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Ventral pallidum DRD3 potentiates a pallido-habenular circuit driving accumbal dopamine release and cocaine seeking

机译:腹侧Pallidum DRD3增强了一个苍白的Habbenular电路驱动Accumbal多巴胺释放和可卡因寻求

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摘要

Drugs of abuse induce persistent remodeling of reward circuit function, a process thought to underlie the emergence of drug craving and relapse to drug use. However, how circuit-specific, drug-induced molecular and cellular plasticity can have distributed effects on the mesolimbic dopamine reward system to facilitate relapse to drug use is not fully elucidated. Here, we demonstrate that dopamine receptor D3 (DRD3)-dependent plasticity in the ventral pallidum (VP) drives potentiation of dopamine release in the nucleus accumbens during relapse to cocaine seeking after abstinence. We show that two distinct VP DRD3(+) neuronal populations projecting to either the lateral habenula (LHb) or the ventral tegmental area (VTA) display different patterns of activity during drug seeking following abstinence from cocaine self-administration and that selective suppression of elevated activity or DRD3 signaling in the LHb-projecting population reduces drug seeking. Together, our results uncover how circuit-specific DRD3-mediated plasticity contributes to the process of drug relapse.
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著录项

  • 来源
    《Neuron》 |2021年第13期|共29页
  • 作者单位

    Univ Calif San Diego Div Biol Sci Neurobiol Sect La Jolla CA 92093 USA;

    Univ Calif San Diego Div Biol Sci Neurobiol Sect La Jolla CA 92093 USA;

    Univ Calif San Diego Div Biol Sci Neurobiol Sect La Jolla CA 92093 USA;

    Peking Univ Sch Life Sci State Key Lab Membrane Biol Beijing 10087110 Peoples R China;

    Univ Calif San Diego Div Biol Sci Neurobiol Sect La Jolla CA 92093 USA;

    Univ Calif San Diego Div Biol Sci Neurobiol Sect La Jolla CA 92093 USA;

    Univ Calif San Diego Div Biol Sci Neurobiol Sect La Jolla CA 92093 USA;

    Univ Calif San Diego Div Biol Sci Neurobiol Sect La Jolla CA 92093 USA;

    Univ Calif San Diego Div Biol Sci Neurobiol Sect La Jolla CA 92093 USA;

    Univ Calif San Diego Div Biol Sci Neurobiol Sect La Jolla CA 92093 USA;

    Univ Calif San Diego Div Biol Sci Neurobiol Sect La Jolla CA 92093 USA;

    Univ Calif San Diego Div Biol Sci Neurobiol Sect La Jolla CA 92093 USA;

    Univ Calif San Diego Div Biol Sci Neurobiol Sect La Jolla CA 92093 USA;

    Peking Univ Sch Life Sci State Key Lab Membrane Biol Beijing 10087110 Peoples R China;

    Univ Calif San Diego Div Biol Sci Neurobiol Sect La Jolla CA 92093 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 神经病学;
  • 关键词

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