Addiction: a drug-induced disorder of memory reconsolidation.

Addiction: a drug-induced disorder of memory reconsolidation.
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DOI:
10.1016/j.conb.2013.01.022
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发表时间:
2013-08
影响因子:
5.7
通讯作者:
Taylor JR
Taylor JR
中科院分区:
医学2区
文献类型:
--
作者:
Tronson NC;Taylor JR

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持续的适应不良记忆维持着药物寻求,并且对消失有抵抗力,这是成瘾的标志。因此,提取后记忆重新巩固的中断因其治疗潜力而受到关注。无限制的再巩固可能会产生相反的效果,导致记忆在很长一段时间内的反复和累积加强。在这里,我们回顾了食欲和药物奖励记忆的重新巩固的分子机制,并讨论了这些发现如何有助于我们理解这一过程的性质。最后,我们认为,药物诱导的信号转导的改变可能会导致再巩固的失调,引起检索后的药物相关的记忆增强,并显着有助于强迫性药物寻求,这是成瘾的核心组成部分。
Persistent maladaptive memories that maintain drug seeking and are resistant to extinction are a hallmark of addiction. As such, disruption of memory reconsolidation after retrieval has received attention for its therapeutic potential. Unrestrained reconsolidation may have the opposite effect, leading to reiterative and cumulative strengthening of memory over long periods of time. Here we review the molecular mechanisms underlying reconsolidation of appetitive and drug-rewarded memories, and discuss how these findings contribute to our understanding of the nature of this process. Finally, we suggest that drug-induced alterations to signal transduction might lead to dysregulation of reconsolidation, causing enhancements of drug-related memory after retrieval, and significantly contribute to the compulsive drug seeking that is a core component of addiction.
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