Ventral medial prefrontal cortex neuronal ensembles mediate context-induced relapse to heroin.

Ventral medial prefrontal cortex neuronal ensembles mediate context-induced relapse to heroin.
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DOI:
10.1038/nn.2758
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发表时间:
2011-04
影响因子:
25
通讯作者:
Shaham, Yavin
Shaham, Yavin
中科院分区:
医学1区
文献类型:
--
作者:
Bossert, Jennifer M.;Stern, Anna L.;Theberge, Florence R. M.;Cifani, Carlo;Koya, Eisuke;Hope, Bruce T.;Shaham, Yavin

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在环境诱发海洛因复发的大鼠模型中,我们发现了稀疏分布的腹侧内侧前额叶皮层(mPFC)神经元,这些神经元被海洛因相关环境激活。这些神经元的选择性药物遗传学失活抑制了环境诱导的药物复发。腹侧 mPFC 神经元的一小部分形成神经元集合,编码海洛因奖励和海洛因相关背景之间的习得关联;戒断期间与药物相关的环境重新激活这些神经元群会引发药物复发。
In a rat model of context-induced relapse to heroin, we identified sparsely distributed ventral medial prefrontal cortex (mPFC) neurons that were activated by the heroin-associated context. Selective pharmacogenetic inactivation of these neurons inhibited context-induced drug relapse. A small subset of ventral mPFC neurons forms neuronal ensembles that encode the learned associations between heroin reward and heroin-associated contexts; re-activation of these neuronal ensembles by drug-associated contexts during abstinence provokes drug relapse.
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