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首页> 外文期刊>Alcohol >A single alcohol drinking session is sufficient to enable subsequent aversion-resistant consumption in mice
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A single alcohol drinking session is sufficient to enable subsequent aversion-resistant consumption in mice

机译：单一的酒精饮用会议足以使小鼠随后的耐脂性消耗

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摘要

Addiction is mediated in large part by pathological motivation for rewarding, addictive substances, and alcohol-use disorders (AUDs) continue to extract a very high physical and economic toll on society. Compulsive alcohol drinking, where intake continues despite negative consequences, is considered a particular obstacle during treatment of AUDs. Aversion-resistant drives for alcohol have been modeled in rodents, where animals continue to consume even when alcohol is adulterated with the bitter tastant quinine, or is paired with another aversive consequence. Here, we describe a two-bottle choice paradigm where C57BL/6 mice first had 24-h access to 15% alcohol or water. Afterward, they drank quinine-free alcohol (alcohol-only) or alcohol with quinine (100 mu M), in a limited daily access (LDA) two-bottle choice paradigm (2 h/day, 5 days/week, starting 3 h into the dark cycle), and achieved nearly binge level blood alcohol concentrations. Interestingly, a single, initial 24-h experience with alcohol-only enhanced subsequent quinine-resistant drinking. In contrast, mice that drank alcohol- quinine in the 24-h session showed significantly reduced alcohol quinine intake and preference during the subsequent LDA sessions, relative to mice that drank alcohol-only in the initial 24-h session and alcohol-quinine in LDA sessions. Thus, mice could find the concentration of quinine we used aversive, but were able to disregard the quinine after a single alcohol-only drinking session. Finally, mice had low intake and preference for quinine in water, both before and after weeks of alcohol-drinking sessions, suggesting that quinine resistance was not a consequence of increased quinine preference after weeks of drinking of alcohol quinine. Together, we demonstrate that a single alcohol-only session was sufficient to enable subsequent aversion-resistant consumption in C57BL/6 mice, which did not reflect changes in quinine taste palatability. Given the rapid development of quinine-resistant alcohol drinking patterns, this model provides a simple, quick, and robust method for uncovering the mechanisms that promote aversion resistant consumption. (C) 2016 Elsevier Inc. All rights reserved.
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著录项

  • 来源
    《Alcohol》 |2016年第2016期|共8页
  • 作者

    Lei Kelly; Wegner Scott A.; Yu Ji-Hwan; Simms Jeffrey A.; Hopf F. Woodward;

  • 作者单位

    Univ Calif San Francisco Dept Neurol Alcohol &

    Addict Res Grp San Francisco CA 94158 USA;

    Univ Calif San Francisco Dept Neurol Alcohol &

    Addict Res Grp San Francisco CA 94158 USA;

    Univ Calif San Francisco Dept Neurol Alcohol &

    Addict Res Grp San Francisco CA 94158 USA;

    Univ Calif San Francisco Dept Neurol Alcohol &

    Addict Res Grp San Francisco CA 94158 USA;

    Univ Calif San Francisco Dept Neurol Alcohol &

    Addict Res Grp San Francisco CA 94158 USA;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 中毒及化学性损害;
  • 关键词

    Alcohol; Compulsive; C57BL/6 mice; Addiction; Model;

    机译：酒精;强迫;C57BL / 6鼠;成瘾;模型;

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