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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: BASSAREO, VALENTINA; DE LUCA, MARIA ANTONIETTA; ARESU M; ASTE A; +2 Authors

    AbstractNon‐adaptive activation of dopamine transmission in the nucleus accumbens shell by drugs of abuse has been attributed a fundamental role in the mechanism of drug addiction. In order to test this hypothesis, we compared in the same subject the effect of an addictive drug (ethanol) and of taste stimuli, including ethanol's own taste, on dialysate dopamine in the nucleus accumbens shell as an estimate of dopamine transmission and on taste reactivity as an expression of motivational valence. Ethanol was also monitored in the dialysates. In naive rats, intraoral infusion of a 20% sucrose + chocolate solution elicited a monophasic increase of dialysate dopamine immediately after the intraoral infusion. In contrast, intraoral infusion of 10% ethanol, 10% ethanol + 20% sucrose or 10% ethanol + 20% sucrose + chocolate solutions elicited a biphasic increase of nucleus accumbens dopamine with an early taste‐related rise and a late rise related to dialysate ethanol. Pre‐exposure to the ethanol solutions 24 h before resulted in the absence of the early dopamine rise and permanence of the late dopamine rise. This late dopamine rise was actually increased as compared with that of the nonpre‐exposed group when sucrose‐containing ethanol solutions were tested. The results indicate that single trial pre‐exposure to the ethanol solutions differentially affects the responsiveness of nucleus accumbens shell dopamine to the direct intracerebral action of ethanol and to the effect of its taste with potentiation, or no change of the first and abolition of the second. These observations point to the existence of major differences in the adaptive regulation of nucleus accumbens dopamine transmission in the shell after drug as compared with taste reward. These differences, in turn, are consistent with a role of nucleus accumbens shell dopamine in the mechanism of the behavioural effects of addictive drugs.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao European Journal of ...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    European Journal of Neuroscience
    Article . 2003 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao European Journal of ...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      European Journal of Neuroscience
      Article . 2003 . Peer-reviewed
      License: Wiley Online Library User Agreement
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: BASSAREO, VALENTINA; DE LUCA, MARIA ANTONIETTA; ARESU M; ASTE A; +2 Authors

    AbstractNon‐adaptive activation of dopamine transmission in the nucleus accumbens shell by drugs of abuse has been attributed a fundamental role in the mechanism of drug addiction. In order to test this hypothesis, we compared in the same subject the effect of an addictive drug (ethanol) and of taste stimuli, including ethanol's own taste, on dialysate dopamine in the nucleus accumbens shell as an estimate of dopamine transmission and on taste reactivity as an expression of motivational valence. Ethanol was also monitored in the dialysates. In naive rats, intraoral infusion of a 20% sucrose + chocolate solution elicited a monophasic increase of dialysate dopamine immediately after the intraoral infusion. In contrast, intraoral infusion of 10% ethanol, 10% ethanol + 20% sucrose or 10% ethanol + 20% sucrose + chocolate solutions elicited a biphasic increase of nucleus accumbens dopamine with an early taste‐related rise and a late rise related to dialysate ethanol. Pre‐exposure to the ethanol solutions 24 h before resulted in the absence of the early dopamine rise and permanence of the late dopamine rise. This late dopamine rise was actually increased as compared with that of the nonpre‐exposed group when sucrose‐containing ethanol solutions were tested. The results indicate that single trial pre‐exposure to the ethanol solutions differentially affects the responsiveness of nucleus accumbens shell dopamine to the direct intracerebral action of ethanol and to the effect of its taste with potentiation, or no change of the first and abolition of the second. These observations point to the existence of major differences in the adaptive regulation of nucleus accumbens dopamine transmission in the shell after drug as compared with taste reward. These differences, in turn, are consistent with a role of nucleus accumbens shell dopamine in the mechanism of the behavioural effects of addictive drugs.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao European Journal of ...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    European Journal of Neuroscience
    Article . 2003 . Peer-reviewed
    License: Wiley Online Library User Agreement
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao European Journal of ...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      European Journal of Neuroscience
      Article . 2003 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Donna M. Jakowec; Jack Neiman; Margaret L. Rand; Marian A. Packham;

    Platelet aggregation, secretion of serotonin, and formation of thromboxane B2 induced by platelet-activating factor (1-O-alkyl-2-acetyl-sn-glyceryl-3-phosphorylcholine) were studied in plasma containing physiological concentrations of ionized calcium in eight alcoholics after cessation of heavy drinking. Responses of platelets of four nonalcoholic volunteers, matched with a subgroup of the alcoholics by age and sex, were also investigated. Aggregation of platelets from alcoholics was significantly less throughout the 6-day detoxification period compared with controls. Secretion of serotonin (5-hydroxy-tryptamine) was negligible and the production of thromboxane B2 was not detectable. Decreased platelet aggregability in response to aggregating agents, including platelet-activating factor, may be important in the development of hemorrhagic complications in alcoholics.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Thrombosis Researcharrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Thrombosis Research
    Article . 1989 . Peer-reviewed
    License: Elsevier TDM
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Thrombosis Researcharrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Thrombosis Research
      Article . 1989 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Donna M. Jakowec; Jack Neiman; Margaret L. Rand; Marian A. Packham;

    Platelet aggregation, secretion of serotonin, and formation of thromboxane B2 induced by platelet-activating factor (1-O-alkyl-2-acetyl-sn-glyceryl-3-phosphorylcholine) were studied in plasma containing physiological concentrations of ionized calcium in eight alcoholics after cessation of heavy drinking. Responses of platelets of four nonalcoholic volunteers, matched with a subgroup of the alcoholics by age and sex, were also investigated. Aggregation of platelets from alcoholics was significantly less throughout the 6-day detoxification period compared with controls. Secretion of serotonin (5-hydroxy-tryptamine) was negligible and the production of thromboxane B2 was not detectable. Decreased platelet aggregability in response to aggregating agents, including platelet-activating factor, may be important in the development of hemorrhagic complications in alcoholics.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Thrombosis Researcharrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Thrombosis Research
    Article . 1989 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Thrombosis Researcharrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Thrombosis Research
      Article . 1989 . Peer-reviewed
      License: Elsevier TDM
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Stephanie B. Williams; Jordan T. Yorgason; Ashley C. Nelson; Natalie Lewis; +3 Authors

    BackgroundVentral tegmental area (VTA) GABA neurons have been heavily implicated in alcohol reinforcement and reward. In animals that self‐administer alcohol, VTA GABA neurons exhibit increased excitability that may contribute to alcohol's rewarding effects. The present study investigated the effects of acute and chronic ethanol exposure on glutamate (GLU) synaptic transmission to VTA GABA neurons.MethodsWhole‐cell recordings of evoked, spontaneous, and miniature excitatory postsynaptic currents (eEPSCs, sEPSCs, and mEPSCs, respectively) were performed on identified GABA neurons in the VTA of GAD67‐GFP+ transgenic mice. Three ethanol exposure paradigms were used: acute ethanol superfusion; a single ethanol injection; and chronic vapor exposure.ResultsAcute ethanol superfusion increased the frequency of EPSCs but inhibited mEPSC frequency and amplitude. During withdrawal from a single injection of ethanol, the frequency of sEPSCs was lower than saline controls. There was no difference in α‐amino‐3‐hydroxy‐5‐methyl‐4‐isoxazolepropionic acid (AMPA)/N‐methyl‐d‐aspartate (NMDA) ratio between neurons following withdrawal from a single exposure to ethanol. However, following withdrawal from chronic ethanol, sEPSCs and mEPSCs had a greater frequency than air controls. There was no difference in AMPA/NMDA ratio following chronic ethanol.ConclusionsThese results suggest that presynaptic mechanisms involving local circuit GLU neurons, and not GLU receptors, contribute to adaptations in VTA GABA neuron excitability that accrue to ethanol exposure, which may contribute to the rewarding properties of alcohol via their regulation of mesolimbic dopamine transmission.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Alcoholism Clinical ...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Alcoholism Clinical and Experimental Research
    Article . 2018 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Alcoholism Clinical ...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Alcoholism Clinical and Experimental Research
      Article . 2018 . Peer-reviewed
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Stephanie B. Williams; Jordan T. Yorgason; Ashley C. Nelson; Natalie Lewis; +3 Authors

    BackgroundVentral tegmental area (VTA) GABA neurons have been heavily implicated in alcohol reinforcement and reward. In animals that self‐administer alcohol, VTA GABA neurons exhibit increased excitability that may contribute to alcohol's rewarding effects. The present study investigated the effects of acute and chronic ethanol exposure on glutamate (GLU) synaptic transmission to VTA GABA neurons.MethodsWhole‐cell recordings of evoked, spontaneous, and miniature excitatory postsynaptic currents (eEPSCs, sEPSCs, and mEPSCs, respectively) were performed on identified GABA neurons in the VTA of GAD67‐GFP+ transgenic mice. Three ethanol exposure paradigms were used: acute ethanol superfusion; a single ethanol injection; and chronic vapor exposure.ResultsAcute ethanol superfusion increased the frequency of EPSCs but inhibited mEPSC frequency and amplitude. During withdrawal from a single injection of ethanol, the frequency of sEPSCs was lower than saline controls. There was no difference in α‐amino‐3‐hydroxy‐5‐methyl‐4‐isoxazolepropionic acid (AMPA)/N‐methyl‐d‐aspartate (NMDA) ratio between neurons following withdrawal from a single exposure to ethanol. However, following withdrawal from chronic ethanol, sEPSCs and mEPSCs had a greater frequency than air controls. There was no difference in AMPA/NMDA ratio following chronic ethanol.ConclusionsThese results suggest that presynaptic mechanisms involving local circuit GLU neurons, and not GLU receptors, contribute to adaptations in VTA GABA neuron excitability that accrue to ethanol exposure, which may contribute to the rewarding properties of alcohol via their regulation of mesolimbic dopamine transmission.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Alcoholism Clinical ...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Alcoholism Clinical and Experimental Research
    Article . 2018 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Alcoholism Clinical ...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Alcoholism Clinical and Experimental Research
      Article . 2018 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: R A, Gonzales; C, Theiss; F T, Crews;

    The effect of ethanol in vitro on inositol lipid metabolism in brain slices was investigated under nonstimulating and stimulating conditions. In cerebral cortical slices 100 microM norepinephrie (NE), 1 mM carbachol, 100 microM serotonin, 20 mM KCl, 1 mM glutamate and 30 microM A23187 stimulated inositide hydrolysis as measured by the release of [3H]inositol phosphates from [3H]myoinositol labeled slices. Ethanol (500 mM) inhibited nonstimulated inositide hydrolysis but had variable effects on stimulated inositide breakdown. NE-, KCl- and glutamate-stimulated [3H]inositol phosphate release was inhibited by 500 mM ethanol in the cortex. The inhibitory effect of ethanol on NE-stimulated inositide hydrolysis was concentration dependent and significant at concentrations as low as 100 mM. Inhibition by ethanol appeared to be noncompetitive. A similar pattern of inhibition by ethanol was observed when KCl was the stimulant. In hippocampal and hypothalamic slices, similar to cortical slices. NE- and KCl-stimulated inositide breakdown was significantly inhibited by ethanol. However, in brain stem slices, only KCl-stimulated [3H]inositol phosphate release was inhibited. Striatal slices stimulated by carbachol, NE and KCl were sensitive to the inhibitory effects of ethanol on inositol lipid breakdown. These results suggest that ethanol in vitro has specific effects on inositol lipid metabolism depending on the brain region studied and the type of stimulation. Moreover, the differential sensitivity to ethanol of stimulated inositide hydrolysis in the brain may contribute, at least in part, to some of the pharmacological effects of ethanol in vivo.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Pharmacol...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Journal of Pharmacology and Experimental Therapeutics
    Article . 1986 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Pharmacol...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Journal of Pharmacology and Experimental Therapeutics
      Article . 1986 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: R A, Gonzales; C, Theiss; F T, Crews;

    The effect of ethanol in vitro on inositol lipid metabolism in brain slices was investigated under nonstimulating and stimulating conditions. In cerebral cortical slices 100 microM norepinephrie (NE), 1 mM carbachol, 100 microM serotonin, 20 mM KCl, 1 mM glutamate and 30 microM A23187 stimulated inositide hydrolysis as measured by the release of [3H]inositol phosphates from [3H]myoinositol labeled slices. Ethanol (500 mM) inhibited nonstimulated inositide hydrolysis but had variable effects on stimulated inositide breakdown. NE-, KCl- and glutamate-stimulated [3H]inositol phosphate release was inhibited by 500 mM ethanol in the cortex. The inhibitory effect of ethanol on NE-stimulated inositide hydrolysis was concentration dependent and significant at concentrations as low as 100 mM. Inhibition by ethanol appeared to be noncompetitive. A similar pattern of inhibition by ethanol was observed when KCl was the stimulant. In hippocampal and hypothalamic slices, similar to cortical slices. NE- and KCl-stimulated inositide breakdown was significantly inhibited by ethanol. However, in brain stem slices, only KCl-stimulated [3H]inositol phosphate release was inhibited. Striatal slices stimulated by carbachol, NE and KCl were sensitive to the inhibitory effects of ethanol on inositol lipid breakdown. These results suggest that ethanol in vitro has specific effects on inositol lipid metabolism depending on the brain region studied and the type of stimulation. Moreover, the differential sensitivity to ethanol of stimulated inositide hydrolysis in the brain may contribute, at least in part, to some of the pharmacological effects of ethanol in vivo.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Pharmacol...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Journal of Pharmacology and Experimental Therapeutics
    Article . 1986 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Pharmacol...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Journal of Pharmacology and Experimental Therapeutics
      Article . 1986 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Sharada D. Vangipuram; William D. Lyman; Graham C. Parker; William E. Grever;

    Background:  Ethanol (ETOH) consumption by pregnant women can result in Fetal Alcohol Spectrum Disorder (FASD). To date, the cellular targets and mechanisms responsible for FASD are not fully characterized. Our aim was to determine if ETOH can affect fetal human brain‐derived neural progenitor cells (NPC).Methods:  Neural progenitor cells were isolated by positive selection from normal second trimester fetal human brains (n = 4) and cultured, for up to 72 hours, in mitogenic media containing 0, 1, 10, or 100 mM ETOH. From 48 to 72 hours in culture, neurospheres generated in these conditions were filmed using time‐lapse video microscopy. At the end of 72 hours, neurosphere diameter and roundness were measured using videographic software. Mitotic phase analysis of cell‐cycle activity and apoptotic cell count were also performed at this time, by flow cytometry using propidium iodide (PI) staining. Real‐time PCR was used to estimate expression of genes associated with cell adhesion pathways.Results:  Neurosphere diameter correlated positively (r = 0.87) with increasing ETOH concentrations. There was no significant difference in cell‐cycle activity and no significant increase in apoptosis with increasing ETOH concentrations. Time‐lapse video microscopy showed that ETOH (100 mM) reduced the time for neurosphere coalescence. Real‐time PCR analysis showed that ETOH significantly altered the expression of genes involved in cell adhesion. There was an increase in the expression of α and β Laminins 1, β Integrins 3 and 5, Secreted phosphoprotein1 and Sarcoglycan ε. No change in the expression of β Actin was observed while the expression of β Integrin 2 was significantly suppressed.Conclusions:  ETOH had no effect on NPC apoptosis but, resulted in more rapid coalescence and increased volume of neurospheres. Additionally, the expression of genes associated with cell adhesion was significantly altered. ETOH induced changes in NPC surface adhesion interactions may underlie aspects of neurodevelopmental abnormalities in FASD.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Alcoholism Clinical ...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Alcoholism Clinical and Experimental Research
    Article . 2007 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Alcoholism Clinical and Experimental Research
      Article . 2007 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Sharada D. Vangipuram; William D. Lyman; Graham C. Parker; William E. Grever;

    Background:  Ethanol (ETOH) consumption by pregnant women can result in Fetal Alcohol Spectrum Disorder (FASD). To date, the cellular targets and mechanisms responsible for FASD are not fully characterized. Our aim was to determine if ETOH can affect fetal human brain‐derived neural progenitor cells (NPC).Methods:  Neural progenitor cells were isolated by positive selection from normal second trimester fetal human brains (n = 4) and cultured, for up to 72 hours, in mitogenic media containing 0, 1, 10, or 100 mM ETOH. From 48 to 72 hours in culture, neurospheres generated in these conditions were filmed using time‐lapse video microscopy. At the end of 72 hours, neurosphere diameter and roundness were measured using videographic software. Mitotic phase analysis of cell‐cycle activity and apoptotic cell count were also performed at this time, by flow cytometry using propidium iodide (PI) staining. Real‐time PCR was used to estimate expression of genes associated with cell adhesion pathways.Results:  Neurosphere diameter correlated positively (r = 0.87) with increasing ETOH concentrations. There was no significant difference in cell‐cycle activity and no significant increase in apoptosis with increasing ETOH concentrations. Time‐lapse video microscopy showed that ETOH (100 mM) reduced the time for neurosphere coalescence. Real‐time PCR analysis showed that ETOH significantly altered the expression of genes involved in cell adhesion. There was an increase in the expression of α and β Laminins 1, β Integrins 3 and 5, Secreted phosphoprotein1 and Sarcoglycan ε. No change in the expression of β Actin was observed while the expression of β Integrin 2 was significantly suppressed.Conclusions:  ETOH had no effect on NPC apoptosis but, resulted in more rapid coalescence and increased volume of neurospheres. Additionally, the expression of genes associated with cell adhesion was significantly altered. ETOH induced changes in NPC surface adhesion interactions may underlie aspects of neurodevelopmental abnormalities in FASD.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Alcoholism Clinical ...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Alcoholism Clinical and Experimental Research
    Article . 2007 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Alcoholism Clinical ...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Alcoholism Clinical and Experimental Research
      Article . 2007 . Peer-reviewed
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  • Authors: B, Kränzl;
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    Authors: B.E. Kumara Swamy; H.D. Madhuchandra; J.K. Shashikumara;

    The electrochemical sensor for Dopamine (DA) was investigated using poly(amido black) modified carbon paste electrode (MCPE) by the cyclic voltammetric (CV) technique. The film-coated electrode exposed supreme electrocatalytic properties towards electrochemical detection DA and uric acid (UA). The limit of detection (LOD) of DA and UA found to be 2.03 µM and 3.6 µM respectively. Furthermore effectively selective separation of DA and UA in a binary mixture was accomplished. The application of the developed electrode was demonstrated by detecting DA in the injection sample with adequate recoveries. The sensor was stable, sensitive, selective and reproducible.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Materials Science fo...arrow_drop_down
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    Materials Science for Energy Technologies
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    Authors: B.E. Kumara Swamy; H.D. Madhuchandra; J.K. Shashikumara;

    The electrochemical sensor for Dopamine (DA) was investigated using poly(amido black) modified carbon paste electrode (MCPE) by the cyclic voltammetric (CV) technique. The film-coated electrode exposed supreme electrocatalytic properties towards electrochemical detection DA and uric acid (UA). The limit of detection (LOD) of DA and UA found to be 2.03 µM and 3.6 µM respectively. Furthermore effectively selective separation of DA and UA in a binary mixture was accomplished. The application of the developed electrode was demonstrated by detecting DA in the injection sample with adequate recoveries. The sensor was stable, sensitive, selective and reproducible.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Materials Science fo...arrow_drop_down
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    Materials Science for Energy Technologies
    Article . 2020 . Peer-reviewed
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      Materials Science for Energy Technologies
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Donna Brown; David Pierson; Mariko Saito; Andrea Balla; +6 Authors

    Ethanol preference, a component of alcoholism, has been known for four decades to differ greatly between C57BL/6 and BALB/c inbred mouse strains. For mapping quantitative trait loci (QTLs) that affect ethanol preference, we used a set of B6.C Recombinant QTL Introgression (RQI) strains, which carry about 5% of the donor BALB/cJ (C) genome on a C57BL/6ByJ (B6) background. After characterizing males of the progenitor and RQI strains for variations in ethanol preference, we scanned their genome for polymorphisms at 244 dinucleotide-repeat marker loci known to differ between B6 and C. Because of the introgression of BALB/c-type QTLs onto the B6 background, some strains showed ethanol preference significantly lower or higher than that of the background strain, suggesting that genetic interaction between ethanol preference QTLs and the background can be operative. The genomic region showing the strongest influence on ethanol preference was on mouse chromosome 15, and corresponds to human chr.12q11-q13.

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    Alcohol
    Article . 2000 . Peer-reviewed
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    Article . 2000
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      Alcohol
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Donna Brown; David Pierson; Mariko Saito; Andrea Balla; +6 Authors

    Ethanol preference, a component of alcoholism, has been known for four decades to differ greatly between C57BL/6 and BALB/c inbred mouse strains. For mapping quantitative trait loci (QTLs) that affect ethanol preference, we used a set of B6.C Recombinant QTL Introgression (RQI) strains, which carry about 5% of the donor BALB/cJ (C) genome on a C57BL/6ByJ (B6) background. After characterizing males of the progenitor and RQI strains for variations in ethanol preference, we scanned their genome for polymorphisms at 244 dinucleotide-repeat marker loci known to differ between B6 and C. Because of the introgression of BALB/c-type QTLs onto the B6 background, some strains showed ethanol preference significantly lower or higher than that of the background strain, suggesting that genetic interaction between ethanol preference QTLs and the background can be operative. The genomic region showing the strongest influence on ethanol preference was on mouse chromosome 15, and corresponds to human chr.12q11-q13.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Alcoholarrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Alcohol
    Article . 2000 . Peer-reviewed
    License: Elsevier TDM
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    Alcohol
    Article . 2000
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Alcoholarrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Alcohol
      Article . 2000 . Peer-reviewed
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      Alcohol
      Article . 2000
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Terrence Deak; Kelly A. Bordner; Kelly A. Bordner;

    Despite considerable knowledge that prenatal ethanol exposure can lead to devastating effects on the developing fetus, alcohol consumption by pregnant women remains strikingly prevalent. Both clinical and basic research has suggested that, in addition to possible physical, behavioral, and cognitive deficits, gestational exposure to alcohol may lead to an increased risk for the development of later alcohol-related use and abuse disorders. The current work sought to characterize alterations in endogenous opioid signaling peptides and gene expression produced by ethanol exposure during the last days of gestation.Experimental subjects were 4-, 8-, and 12-day old infant rats obtained from pregnant females that were given daily intubations of 0, 1, or 2g/kg ethanol during the last few days of gestation (GDs 17-20). Using real-time RT-PCR, western blotting analysis, and enzyme immunoassays, we examined mRNA and protein for three opioid receptors and ligands in the nucleus accumbens, ventral tegmental area, and hypothalamus.Three main trends emerged - (1) mRNA for the majority of factors was found to upregulate across each of the three postnatal ages assessed, indicative of escalating ontogenetic expression of opioid-related genes; (2) prenatal ethanol significantly reduced many opioid peptides, suggesting a possible mechanism by which prenatal exposure can affect future responsiveness towards ethanol; and (3) the nucleus accumbens emerged as a key site for ethanol-dependent effects, suggesting a potential target for additional assessment and intervention towards understanding the ethanol's ability to program the developing brain.We provide a global assessment of relatively long-term changes in both opioid gene expression and protein following exposure to only moderate amounts of ethanol during a relatively short window in the prenatal period. These results suggest that, while continuing to undergo ontogenetic changes, the infant brain is sensitive to prenatal ethanol exposure and that such exposure may lead to relatively long-lasting changes in the endogenous opioid system within the reward circuitry. These data indicate a potential mechanism and target for additional assessments of ethanol's ability to program the brain, affecting later responsiveness towards the drug.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Physiology & Behavio...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Physiology & Behavior
    Article . 2015 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Physiology & Behavio...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Physiology & Behavior
      Article . 2015 . Peer-reviewed
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Terrence Deak; Kelly A. Bordner; Kelly A. Bordner;

    Despite considerable knowledge that prenatal ethanol exposure can lead to devastating effects on the developing fetus, alcohol consumption by pregnant women remains strikingly prevalent. Both clinical and basic research has suggested that, in addition to possible physical, behavioral, and cognitive deficits, gestational exposure to alcohol may lead to an increased risk for the development of later alcohol-related use and abuse disorders. The current work sought to characterize alterations in endogenous opioid signaling peptides and gene expression produced by ethanol exposure during the last days of gestation.Experimental subjects were 4-, 8-, and 12-day old infant rats obtained from pregnant females that were given daily intubations of 0, 1, or 2g/kg ethanol during the last few days of gestation (GDs 17-20). Using real-time RT-PCR, western blotting analysis, and enzyme immunoassays, we examined mRNA and protein for three opioid receptors and ligands in the nucleus accumbens, ventral tegmental area, and hypothalamus.Three main trends emerged - (1) mRNA for the majority of factors was found to upregulate across each of the three postnatal ages assessed, indicative of escalating ontogenetic expression of opioid-related genes; (2) prenatal ethanol significantly reduced many opioid peptides, suggesting a possible mechanism by which prenatal exposure can affect future responsiveness towards ethanol; and (3) the nucleus accumbens emerged as a key site for ethanol-dependent effects, suggesting a potential target for additional assessment and intervention towards understanding the ethanol's ability to program the developing brain.We provide a global assessment of relatively long-term changes in both opioid gene expression and protein following exposure to only moderate amounts of ethanol during a relatively short window in the prenatal period. These results suggest that, while continuing to undergo ontogenetic changes, the infant brain is sensitive to prenatal ethanol exposure and that such exposure may lead to relatively long-lasting changes in the endogenous opioid system within the reward circuitry. These data indicate a potential mechanism and target for additional assessments of ethanol's ability to program the brain, affecting later responsiveness towards the drug.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Physiology & Behavio...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Physiology & Behavior
    Article . 2015 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Physiology & Behavio...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Physiology & Behavior
      Article . 2015 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Salimov Rm; N. V. Markina; Inga I. Poletaeva;

    1. Several behavioral tests were used to compare two lines of mice selected for large (LB) and small brain (SB) weight on the basis of brain/body weight ratio values. 2. An elevated pain sensitivity as well more intense startle response was shown in SB mice in comparison with LB mice. 3. In inescapable situations of slip funnel and tail suspension tests, analogues of the Porsolt swim test, higher immobility scores in SB mice suggest an increased level of fear and/or anxiety the stress situations. 4. The SB mice demonstrated higher levels of locomotion in open field and cross-maze tests. In the latter test, the SB mice also showed increased tendency for stereotyped alternation of two arms during maze exploration. 5. Acute administration of a moderate dose of ethanol (3 g/kg) had opposite effects on the total time of cross-maze exploration: this measure increased in the SB and decreased in the LB line. By contrast, the tendency for stereotypy was similarly increased and the efficacy of maze exploration decreased in both lines.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Progress in Neuro-Ps...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Progress in Neuro-Psychopharmacology and Biological Psychiatry
    Article . 2001 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Progress in Neuro-Ps...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Progress in Neuro-Psychopharmacology and Biological Psychiatry
      Article . 2001 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Salimov Rm; N. V. Markina; Inga I. Poletaeva;

    1. Several behavioral tests were used to compare two lines of mice selected for large (LB) and small brain (SB) weight on the basis of brain/body weight ratio values. 2. An elevated pain sensitivity as well more intense startle response was shown in SB mice in comparison with LB mice. 3. In inescapable situations of slip funnel and tail suspension tests, analogues of the Porsolt swim test, higher immobility scores in SB mice suggest an increased level of fear and/or anxiety the stress situations. 4. The SB mice demonstrated higher levels of locomotion in open field and cross-maze tests. In the latter test, the SB mice also showed increased tendency for stereotyped alternation of two arms during maze exploration. 5. Acute administration of a moderate dose of ethanol (3 g/kg) had opposite effects on the total time of cross-maze exploration: this measure increased in the SB and decreased in the LB line. By contrast, the tendency for stereotypy was similarly increased and the efficacy of maze exploration decreased in both lines.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Progress in Neuro-Ps...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Progress in Neuro-Psychopharmacology and Biological Psychiatry
    Article . 2001 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Progress in Neuro-Ps...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Progress in Neuro-Psychopharmacology and Biological Psychiatry
      Article . 2001 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: BASSAREO, VALENTINA; DE LUCA, MARIA ANTONIETTA; ARESU M; ASTE A; +2 Authors

    AbstractNon‐adaptive activation of dopamine transmission in the nucleus accumbens shell by drugs of abuse has been attributed a fundamental role in the mechanism of drug addiction. In order to test this hypothesis, we compared in the same subject the effect of an addictive drug (ethanol) and of taste stimuli, including ethanol's own taste, on dialysate dopamine in the nucleus accumbens shell as an estimate of dopamine transmission and on taste reactivity as an expression of motivational valence. Ethanol was also monitored in the dialysates. In naive rats, intraoral infusion of a 20% sucrose + chocolate solution elicited a monophasic increase of dialysate dopamine immediately after the intraoral infusion. In contrast, intraoral infusion of 10% ethanol, 10% ethanol + 20% sucrose or 10% ethanol + 20% sucrose + chocolate solutions elicited a biphasic increase of nucleus accumbens dopamine with an early taste‐related rise and a late rise related to dialysate ethanol. Pre‐exposure to the ethanol solutions 24 h before resulted in the absence of the early dopamine rise and permanence of the late dopamine rise. This late dopamine rise was actually increased as compared with that of the nonpre‐exposed group when sucrose‐containing ethanol solutions were tested. The results indicate that single trial pre‐exposure to the ethanol solutions differentially affects the responsiveness of nucleus accumbens shell dopamine to the direct intracerebral action of ethanol and to the effect of its taste with potentiation, or no change of the first and abolition of the second. These observations point to the existence of major differences in the adaptive regulation of nucleus accumbens dopamine transmission in the shell after drug as compared with taste reward. These differences, in turn, are consistent with a role of nucleus accumbens shell dopamine in the mechanism of the behavioural effects of addictive drugs.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao European Journal of ...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    European Journal of Neuroscience
    Article . 2003 . Peer-reviewed
    License: Wiley Online Library User Agreement
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao European Journal of ...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      European Journal of Neuroscience
      Article . 2003 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: BASSAREO, VALENTINA; DE LUCA, MARIA ANTONIETTA; ARESU M; ASTE A; +2 Authors

    AbstractNon‐adaptive activation of dopamine transmission in the nucleus accumbens shell by drugs of abuse has been attributed a fundamental role in the mechanism of drug addiction. In order to test this hypothesis, we compared in the same subject the effect of an addictive drug (ethanol) and of taste stimuli, including ethanol's own taste, on dialysate dopamine in the nucleus accumbens shell as an estimate of dopamine transmission and on taste reactivity as an expression of motivational valence. Ethanol was also monitored in the dialysates. In naive rats, intraoral infusion of a 20% sucrose + chocolate solution elicited a monophasic increase of dialysate dopamine immediately after the intraoral infusion. In contrast, intraoral infusion of 10% ethanol, 10% ethanol + 20% sucrose or 10% ethanol + 20% sucrose + chocolate solutions elicited a biphasic increase of nucleus accumbens dopamine with an early taste‐related rise and a late rise related to dialysate ethanol. Pre‐exposure to the ethanol solutions 24 h before resulted in the absence of the early dopamine rise and permanence of the late dopamine rise. This late dopamine rise was actually increased as compared with that of the nonpre‐exposed group when sucrose‐containing ethanol solutions were tested. The results indicate that single trial pre‐exposure to the ethanol solutions differentially affects the responsiveness of nucleus accumbens shell dopamine to the direct intracerebral action of ethanol and to the effect of its taste with potentiation, or no change of the first and abolition of the second. These observations point to the existence of major differences in the adaptive regulation of nucleus accumbens dopamine transmission in the shell after drug as compared with taste reward. These differences, in turn, are consistent with a role of nucleus accumbens shell dopamine in the mechanism of the behavioural effects of addictive drugs.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao European Journal of ...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    European Journal of Neuroscience
    Article . 2003 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao European Journal of ...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      European Journal of Neuroscience
      Article . 2003 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Donna M. Jakowec; Jack Neiman; Margaret L. Rand; Marian A. Packham;

    Platelet aggregation, secretion of serotonin, and formation of thromboxane B2 induced by platelet-activating factor (1-O-alkyl-2-acetyl-sn-glyceryl-3-phosphorylcholine) were studied in plasma containing physiological concentrations of ionized calcium in eight alcoholics after cessation of heavy drinking. Responses of platelets of four nonalcoholic volunteers, matched with a subgroup of the alcoholics by age and sex, were also investigated. Aggregation of platelets from alcoholics was significantly less throughout the 6-day detoxification period compared with controls. Secretion of serotonin (5-hydroxy-tryptamine) was negligible and the production of thromboxane B2 was not detectable. Decreased platelet aggregability in response to aggregating agents, including platelet-activating factor, may be important in the development of hemorrhagic complications in alcoholics.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Thrombosis Researcharrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Thrombosis Research
    Article . 1989 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Thrombosis Researcharrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Thrombosis Research
      Article . 1989 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Donna M. Jakowec; Jack Neiman; Margaret L. Rand; Marian A. Packham;

    Platelet aggregation, secretion of serotonin, and formation of thromboxane B2 induced by platelet-activating factor (1-O-alkyl-2-acetyl-sn-glyceryl-3-phosphorylcholine) were studied in plasma containing physiological concentrations of ionized calcium in eight alcoholics after cessation of heavy drinking. Responses of platelets of four nonalcoholic volunteers, matched with a subgroup of the alcoholics by age and sex, were also investigated. Aggregation of platelets from alcoholics was significantly less throughout the 6-day detoxification period compared with controls. Secretion of serotonin (5-hydroxy-tryptamine) was negligible and the production of thromboxane B2 was not detectable. Decreased platelet aggregability in response to aggregating agents, including platelet-activating factor, may be important in the development of hemorrhagic complications in alcoholics.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Thrombosis Researcharrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Thrombosis Research
    Article . 1989 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Thrombosis Researcharrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Thrombosis Research
      Article . 1989 . Peer-reviewed
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Stephanie B. Williams; Jordan T. Yorgason; Ashley C. Nelson; Natalie Lewis; +3 Authors

    BackgroundVentral tegmental area (VTA) GABA neurons have been heavily implicated in alcohol reinforcement and reward. In animals that self‐administer alcohol, VTA GABA neurons exhibit increased excitability that may contribute to alcohol's rewarding effects. The present study investigated the effects of acute and chronic ethanol exposure on glutamate (GLU) synaptic transmission to VTA GABA neurons.MethodsWhole‐cell recordings of evoked, spontaneous, and miniature excitatory postsynaptic currents (eEPSCs, sEPSCs, and mEPSCs, respectively) were performed on identified GABA neurons in the VTA of GAD67‐GFP+ transgenic mice. Three ethanol exposure paradigms were used: acute ethanol superfusion; a single ethanol injection; and chronic vapor exposure.ResultsAcute ethanol superfusion increased the frequency of EPSCs but inhibited mEPSC frequency and amplitude. During withdrawal from a single injection of ethanol, the frequency of sEPSCs was lower than saline controls. There was no difference in α‐amino‐3‐hydroxy‐5‐methyl‐4‐isoxazolepropionic acid (AMPA)/N‐methyl‐d‐aspartate (NMDA) ratio between neurons following withdrawal from a single exposure to ethanol. However, following withdrawal from chronic ethanol, sEPSCs and mEPSCs had a greater frequency than air controls. There was no difference in AMPA/NMDA ratio following chronic ethanol.ConclusionsThese results suggest that presynaptic mechanisms involving local circuit GLU neurons, and not GLU receptors, contribute to adaptations in VTA GABA neuron excitability that accrue to ethanol exposure, which may contribute to the rewarding properties of alcohol via their regulation of mesolimbic dopamine transmission.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Alcoholism Clinical ...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Alcoholism Clinical and Experimental Research
    Article . 2018 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Alcoholism Clinical and Experimental Research
      Article . 2018 . Peer-reviewed
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Stephanie B. Williams; Jordan T. Yorgason; Ashley C. Nelson; Natalie Lewis; +3 Authors

    BackgroundVentral tegmental area (VTA) GABA neurons have been heavily implicated in alcohol reinforcement and reward. In animals that self‐administer alcohol, VTA GABA neurons exhibit increased excitability that may contribute to alcohol's rewarding effects. The present study investigated the effects of acute and chronic ethanol exposure on glutamate (GLU) synaptic transmission to VTA GABA neurons.MethodsWhole‐cell recordings of evoked, spontaneous, and miniature excitatory postsynaptic currents (eEPSCs, sEPSCs, and mEPSCs, respectively) were performed on identified GABA neurons in the VTA of GAD67‐GFP+ transgenic mice. Three ethanol exposure paradigms were used: acute ethanol superfusion; a single ethanol injection; and chronic vapor exposure.ResultsAcute ethanol superfusion increased the frequency of EPSCs but inhibited mEPSC frequency and amplitude. During withdrawal from a single injection of ethanol, the frequency of sEPSCs was lower than saline controls. There was no difference in α‐amino‐3‐hydroxy‐5‐methyl‐4‐isoxazolepropionic acid (AMPA)/N‐methyl‐d‐aspartate (NMDA) ratio between neurons following withdrawal from a single exposure to ethanol. However, following withdrawal from chronic ethanol, sEPSCs and mEPSCs had a greater frequency than air controls. There was no difference in AMPA/NMDA ratio following chronic ethanol.ConclusionsThese results suggest that presynaptic mechanisms involving local circuit GLU neurons, and not GLU receptors, contribute to adaptations in VTA GABA neuron excitability that accrue to ethanol exposure, which may contribute to the rewarding properties of alcohol via their regulation of mesolimbic dopamine transmission.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Alcoholism Clinical ...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Alcoholism Clinical and Experimental Research
    Article . 2018 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Alcoholism Clinical ...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Alcoholism Clinical and Experimental Research
      Article . 2018 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: R A, Gonzales; C, Theiss; F T, Crews;

    The effect of ethanol in vitro on inositol lipid metabolism in brain slices was investigated under nonstimulating and stimulating conditions. In cerebral cortical slices 100 microM norepinephrie (NE), 1 mM carbachol, 100 microM serotonin, 20 mM KCl, 1 mM glutamate and 30 microM A23187 stimulated inositide hydrolysis as measured by the release of [3H]inositol phosphates from [3H]myoinositol labeled slices. Ethanol (500 mM) inhibited nonstimulated inositide hydrolysis but had variable effects on stimulated inositide breakdown. NE-, KCl- and glutamate-stimulated [3H]inositol phosphate release was inhibited by 500 mM ethanol in the cortex. The inhibitory effect of ethanol on NE-stimulated inositide hydrolysis was concentration dependent and significant at concentrations as low as 100 mM. Inhibition by ethanol appeared to be noncompetitive. A similar pattern of inhibition by ethanol was observed when KCl was the stimulant. In hippocampal and hypothalamic slices, similar to cortical slices. NE- and KCl-stimulated inositide breakdown was significantly inhibited by ethanol. However, in brain stem slices, only KCl-stimulated [3H]inositol phosphate release was inhibited. Striatal slices stimulated by carbachol, NE and KCl were sensitive to the inhibitory effects of ethanol on inositol lipid breakdown. These results suggest that ethanol in vitro has specific effects on inositol lipid metabolism depending on the brain region studied and the type of stimulation. Moreover, the differential sensitivity to ethanol of stimulated inositide hydrolysis in the brain may contribute, at least in part, to some of the pharmacological effects of ethanol in vivo.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Pharmacol...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Journal of Pharmacology and Experimental Therapeutics
    Article . 1986 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Pharmacol...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Journal of Pharmacology and Experimental Therapeutics
      Article . 1986 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: R A, Gonzales; C, Theiss; F T, Crews;

    The effect of ethanol in vitro on inositol lipid metabolism in brain slices was investigated under nonstimulating and stimulating conditions. In cerebral cortical slices 100 microM norepinephrie (NE), 1 mM carbachol, 100 microM serotonin, 20 mM KCl, 1 mM glutamate and 30 microM A23187 stimulated inositide hydrolysis as measured by the release of [3H]inositol phosphates from [3H]myoinositol labeled slices. Ethanol (500 mM) inhibited nonstimulated inositide hydrolysis but had variable effects on stimulated inositide breakdown. NE-, KCl- and glutamate-stimulated [3H]inositol phosphate release was inhibited by 500 mM ethanol in the cortex. The inhibitory effect of ethanol on NE-stimulated inositide hydrolysis was concentration dependent and significant at concentrations as low as 100 mM. Inhibition by ethanol appeared to be noncompetitive. A similar pattern of inhibition by ethanol was observed when KCl was the stimulant. In hippocampal and hypothalamic slices, similar to cortical slices. NE- and KCl-stimulated inositide breakdown was significantly inhibited by ethanol. However, in brain stem slices, only KCl-stimulated [3H]inositol phosphate release was inhibited. Striatal slices stimulated by carbachol, NE and KCl were sensitive to the inhibitory effects of ethanol on inositol lipid breakdown. These results suggest that ethanol in vitro has specific effects on inositol lipid metabolism depending on the brain region studied and the type of stimulation. Moreover, the differential sensitivity to ethanol of stimulated inositide hydrolysis in the brain may contribute, at least in part, to some of the pharmacological effects of ethanol in vivo.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Pharmacol...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Journal of Pharmacology and Experimental Therapeutics
    Article . 1986 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Journal of Pharmacol...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Journal of Pharmacology and Experimental Therapeutics
      Article . 1986 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Sharada D. Vangipuram; William D. Lyman; Graham C. Parker; William E. Grever;

    Background:  Ethanol (ETOH) consumption by pregnant women can result in Fetal Alcohol Spectrum Disorder (FASD). To date, the cellular targets and mechanisms responsible for FASD are not fully characterized. Our aim was to determine if ETOH can affect fetal human brain‐derived neural progenitor cells (NPC).Methods:  Neural progenitor cells were isolated by positive selection from normal second trimester fetal human brains (n = 4) and cultured, for up to 72 hours, in mitogenic media containing 0, 1, 10, or 100 mM ETOH. From 48 to 72 hours in culture, neurospheres generated in these conditions were filmed using time‐lapse video microscopy. At the end of 72 hours, neurosphere diameter and roundness were measured using videographic software. Mitotic phase analysis of cell‐cycle activity and apoptotic cell count were also performed at this time, by flow cytometry using propidium iodide (PI) staining. Real‐time PCR was used to estimate expression of genes associated with cell adhesion pathways.Results:  Neurosphere diameter correlated positively (r = 0.87) with increasing ETOH concentrations. There was no significant difference in cell‐cycle activity and no significant increase in apoptosis with increasing ETOH concentrations. Time‐lapse video microscopy showed that ETOH (100 mM) reduced the time for neurosphere coalescence. Real‐time PCR analysis showed that ETOH significantly altered the expression of genes involved in cell adhesion. There was an increase in the expression of α and β Laminins 1, β Integrins 3 and 5, Secreted phosphoprotein1 and Sarcoglycan ε. No change in the expression of β Actin was observed while the expression of β Integrin 2 was significantly suppressed.Conclusions:  ETOH had no effect on NPC apoptosis but, resulted in more rapid coalescence and increased volume of neurospheres. Additionally, the expression of genes associated with cell adhesion was significantly altered. ETOH induced changes in NPC surface adhesion interactions may underlie aspects of neurodevelopmental abnormalities in FASD.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Alcoholism Clinical ...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Alcoholism Clinical and Experimental Research
    Article . 2007 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Alcoholism Clinical ...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Alcoholism Clinical and Experimental Research
      Article . 2007 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Sharada D. Vangipuram; William D. Lyman; Graham C. Parker; William E. Grever;

    Background:  Ethanol (ETOH) consumption by pregnant women can result in Fetal Alcohol Spectrum Disorder (FASD). To date, the cellular targets and mechanisms responsible for FASD are not fully characterized. Our aim was to determine if ETOH can affect fetal human brain‐derived neural progenitor cells (NPC).Methods:  Neural progenitor cells were isolated by positive selection from normal second trimester fetal human brains (n = 4) and cultured, for up to 72 hours, in mitogenic media containing 0, 1, 10, or 100 mM ETOH. From 48 to 72 hours in culture, neurospheres generated in these conditions were filmed using time‐lapse video microscopy. At the end of 72 hours, neurosphere diameter and roundness were measured using videographic software. Mitotic phase analysis of cell‐cycle activity and apoptotic cell count were also performed at this time, by flow cytometry using propidium iodide (PI) staining. Real‐time PCR was used to estimate expression of genes associated with cell adhesion pathways.Results:  Neurosphere diameter correlated positively (r = 0.87) with increasing ETOH concentrations. There was no significant difference in cell‐cycle activity and no significant increase in apoptosis with increasing ETOH concentrations. Time‐lapse video microscopy showed that ETOH (100 mM) reduced the time for neurosphere coalescence. Real‐time PCR analysis showed that ETOH significantly altered the expression of genes involved in cell adhesion. There was an increase in the expression of α and β Laminins 1, β Integrins 3 and 5, Secreted phosphoprotein1 and Sarcoglycan ε. No change in the expression of β Actin was observed while the expression of β Integrin 2 was significantly suppressed.Conclusions:  ETOH had no effect on NPC apoptosis but, resulted in more rapid coalescence and increased volume of neurospheres. Additionally, the expression of genes associated with cell adhesion was significantly altered. ETOH induced changes in NPC surface adhesion interactions may underlie aspects of neurodevelopmental abnormalities in FASD.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Alcoholism Clinical ...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Alcoholism Clinical and Experimental Research
    Article . 2007 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Alcoholism Clinical ...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Alcoholism Clinical and Experimental Research
      Article . 2007 . Peer-reviewed
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  • Authors: B, Kränzl;
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    Authors: B.E. Kumara Swamy; H.D. Madhuchandra; J.K. Shashikumara;

    The electrochemical sensor for Dopamine (DA) was investigated using poly(amido black) modified carbon paste electrode (MCPE) by the cyclic voltammetric (CV) technique. The film-coated electrode exposed supreme electrocatalytic properties towards electrochemical detection DA and uric acid (UA). The limit of detection (LOD) of DA and UA found to be 2.03 µM and 3.6 µM respectively. Furthermore effectively selective separation of DA and UA in a binary mixture was accomplished. The application of the developed electrode was demonstrated by detecting DA in the injection sample with adequate recoveries. The sensor was stable, sensitive, selective and reproducible.

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    Materials Science for Energy Technologies
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      Materials Science for Energy Technologies
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    Authors: B.E. Kumara Swamy; H.D. Madhuchandra; J.K. Shashikumara;

    The electrochemical sensor for Dopamine (DA) was investigated using poly(amido black) modified carbon paste electrode (MCPE) by the cyclic voltammetric (CV) technique. The film-coated electrode exposed supreme electrocatalytic properties towards electrochemical detection DA and uric acid (UA). The limit of detection (LOD) of DA and UA found to be 2.03 µM and 3.6 µM respectively. Furthermore effectively selective separation of DA and UA in a binary mixture was accomplished. The application of the developed electrode was demonstrated by detecting DA in the injection sample with adequate recoveries. The sensor was stable, sensitive, selective and reproducible.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Materials Science fo...arrow_drop_down
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    Materials Science for Energy Technologies
    Article . 2020 . Peer-reviewed
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    Materials Science for Energy Technologies
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      Materials Science for Energy Technologies
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      Materials Science for Energy Technologies
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Donna Brown; David Pierson; Mariko Saito; Andrea Balla; +6 Authors

    Ethanol preference, a component of alcoholism, has been known for four decades to differ greatly between C57BL/6 and BALB/c inbred mouse strains. For mapping quantitative trait loci (QTLs) that affect ethanol preference, we used a set of B6.C Recombinant QTL Introgression (RQI) strains, which carry about 5% of the donor BALB/cJ (C) genome on a C57BL/6ByJ (B6) background. After characterizing males of the progenitor and RQI strains for variations in ethanol preference, we scanned their genome for polymorphisms at 244 dinucleotide-repeat marker loci known to differ between B6 and C. Because of the introgression of BALB/c-type QTLs onto the B6 background, some strains showed ethanol preference significantly lower or higher than that of the background strain, suggesting that genetic interaction between ethanol preference QTLs and the background can be operative. The genomic region showing the strongest influence on ethanol preference was on mouse chromosome 15, and corresponds to human chr.12q11-q13.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Alcoholarrow_drop_down
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    Alcohol
    Article . 2000 . Peer-reviewed
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    Alcohol
    Article . 2000
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      Alcohol
      Article . 2000 . Peer-reviewed
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      Article . 2000
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    Authors: Donna Brown; David Pierson; Mariko Saito; Andrea Balla; +6 Authors

    Ethanol preference, a component of alcoholism, has been known for four decades to differ greatly between C57BL/6 and BALB/c inbred mouse strains. For mapping quantitative trait loci (QTLs) that affect ethanol preference, we used a set of B6.C Recombinant QTL Introgression (RQI) strains, which carry about 5% of the donor BALB/cJ (C) genome on a C57BL/6ByJ (B6) background. After characterizing males of the progenitor and RQI strains for variations in ethanol preference, we scanned their genome for polymorphisms at 244 dinucleotide-repeat marker loci known to differ between B6 and C. Because of the introgression of BALB/c-type QTLs onto the B6 background, some strains showed ethanol preference significantly lower or higher than that of the background strain, suggesting that genetic interaction between ethanol preference QTLs and the background can be operative. The genomic region showing the strongest influence on ethanol preference was on mouse chromosome 15, and corresponds to human chr.12q11-q13.

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    Alcohol
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Alcohol
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    Authors: Terrence Deak; Kelly A. Bordner; Kelly A. Bordner;

    Despite considerable knowledge that prenatal ethanol exposure can lead to devastating effects on the developing fetus, alcohol consumption by pregnant women remains strikingly prevalent. Both clinical and basic research has suggested that, in addition to possible physical, behavioral, and cognitive deficits, gestational exposure to alcohol may lead to an increased risk for the development of later alcohol-related use and abuse disorders. The current work sought to characterize alterations in endogenous opioid signaling peptides and gene expression produced by ethanol exposure during the last days of gestation.Experimental subjects were 4-, 8-, and 12-day old infant rats obtained from pregnant females that were given daily intubations of 0, 1, or 2g/kg ethanol during the last few days of gestation (GDs 17-20). Using real-time RT-PCR, western blotting analysis, and enzyme immunoassays, we examined mRNA and protein for three opioid receptors and ligands in the nucleus accumbens, ventral tegmental area, and hypothalamus.Three main trends emerged - (1) mRNA for the majority of factors was found to upregulate across each of the three postnatal ages assessed, indicative of escalating ontogenetic expression of opioid-related genes; (2) prenatal ethanol significantly reduced many opioid peptides, suggesting a possible mechanism by which prenatal exposure can affect future responsiveness towards ethanol; and (3) the nucleus accumbens emerged as a key site for ethanol-dependent effects, suggesting a potential target for additional assessment and intervention towards understanding the ethanol's ability to program the developing brain.We provide a global assessment of relatively long-term changes in both opioid gene expression and protein following exposure to only moderate amounts of ethanol during a relatively short window in the prenatal period. These results suggest that, while continuing to undergo ontogenetic changes, the infant brain is sensitive to prenatal ethanol exposure and that such exposure may lead to relatively long-lasting changes in the endogenous opioid system within the reward circuitry. These data indicate a potential mechanism and target for additional assessments of ethanol's ability to program the brain, affecting later responsiveness towards the drug.

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    Physiology & Behavior
    Article . 2015 . Peer-reviewed
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Physiology & Behavior
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    Authors: Terrence Deak; Kelly A. Bordner; Kelly A. Bordner;

    Despite considerable knowledge that prenatal ethanol exposure can lead to devastating effects on the developing fetus, alcohol consumption by pregnant women remains strikingly prevalent. Both clinical and basic research has suggested that, in addition to possible physical, behavioral, and cognitive deficits, gestational exposure to alcohol may lead to an increased risk for the development of later alcohol-related use and abuse disorders. The current work sought to characterize alterations in endogenous opioid signaling peptides and gene expression produced by ethanol exposure during the last days of gestation.Experimental subjects were 4-, 8-, and 12-day old infant rats obtained from pregnant females that were given daily intubations of 0, 1, or 2g/kg ethanol during the last few days of gestation (GDs 17-20). Using real-time RT-PCR, western blotting analysis, and enzyme immunoassays, we examined mRNA and protein for three opioid receptors and ligands in the nucleus accumbens, ventral tegmental area, and hypothalamus.Three main trends emerged - (1) mRNA for the majority of factors was found to upregulate across each of the three postnatal ages assessed, indicative of escalating ontogenetic expression of opioid-related genes; (2) prenatal ethanol significantly reduced many opioid peptides, suggesting a possible mechanism by which prenatal exposure can affect future responsiveness towards ethanol; and (3) the nucleus accumbens emerged as a key site for ethanol-dependent effects, suggesting a potential target for additional assessment and intervention towards understanding the ethanol's ability to program the developing brain.We provide a global assessment of relatively long-term changes in both opioid gene expression and protein following exposure to only moderate amounts of ethanol during a relatively short window in the prenatal period. These results suggest that, while continuing to undergo ontogenetic changes, the infant brain is sensitive to prenatal ethanol exposure and that such exposure may lead to relatively long-lasting changes in the endogenous opioid system within the reward circuitry. These data indicate a potential mechanism and target for additional assessments of ethanol's ability to program the brain, affecting later responsiveness towards the drug.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Physiology & Behavio...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Physiology & Behavior
    Article . 2015 . Peer-reviewed
    License: Elsevier TDM
    Data sources: Crossref
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Physiology & Behavio...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Physiology & Behavior
      Article . 2015 . Peer-reviewed
      License: Elsevier TDM
      Data sources: Crossref
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Salimov Rm; N. V. Markina; Inga I. Poletaeva;

    1. Several behavioral tests were used to compare two lines of mice selected for large (LB) and small brain (SB) weight on the basis of brain/body weight ratio values. 2. An elevated pain sensitivity as well more intense startle response was shown in SB mice in comparison with LB mice. 3. In inescapable situations of slip funnel and tail suspension tests, analogues of the Porsolt swim test, higher immobility scores in SB mice suggest an increased level of fear and/or anxiety the stress situations. 4. The SB mice demonstrated higher levels of locomotion in open field and cross-maze tests. In the latter test, the SB mice also showed increased tendency for stereotyped alternation of two arms during maze exploration. 5. Acute administration of a moderate dose of ethanol (3 g/kg) had opposite effects on the total time of cross-maze exploration: this measure increased in the SB and decreased in the LB line. By contrast, the tendency for stereotypy was similarly increased and the efficacy of maze exploration decreased in both lines.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Progress in Neuro-Ps...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Progress in Neuro-Psychopharmacology and Biological Psychiatry
    Article . 2001 . Peer-reviewed
    License: Elsevier TDM
    Data sources: Crossref
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Progress in Neuro-Ps...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Progress in Neuro-Psychopharmacology and Biological Psychiatry
      Article . 2001 . Peer-reviewed
      License: Elsevier TDM
      Data sources: Crossref
      addClaim

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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Salimov Rm; N. V. Markina; Inga I. Poletaeva;

    1. Several behavioral tests were used to compare two lines of mice selected for large (LB) and small brain (SB) weight on the basis of brain/body weight ratio values. 2. An elevated pain sensitivity as well more intense startle response was shown in SB mice in comparison with LB mice. 3. In inescapable situations of slip funnel and tail suspension tests, analogues of the Porsolt swim test, higher immobility scores in SB mice suggest an increased level of fear and/or anxiety the stress situations. 4. The SB mice demonstrated higher levels of locomotion in open field and cross-maze tests. In the latter test, the SB mice also showed increased tendency for stereotyped alternation of two arms during maze exploration. 5. Acute administration of a moderate dose of ethanol (3 g/kg) had opposite effects on the total time of cross-maze exploration: this measure increased in the SB and decreased in the LB line. By contrast, the tendency for stereotypy was similarly increased and the efficacy of maze exploration decreased in both lines.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Progress in Neuro-Ps...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Progress in Neuro-Psychopharmacology and Biological Psychiatry
    Article . 2001 . Peer-reviewed
    License: Elsevier TDM
    Data sources: Crossref
    addClaim

    This Research product is the result of merged Research products in OpenAIRE.

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    13
    citations13
    popularityAverage
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Progress in Neuro-Ps...arrow_drop_down
      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
      Progress in Neuro-Psychopharmacology and Biological Psychiatry
      Article . 2001 . Peer-reviewed
      License: Elsevier TDM
      Data sources: Crossref
      addClaim

      This Research product is the result of merged Research products in OpenAIRE.

      You have already added works in your ORCID record related to the merged Research product.
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