Long-Term Impacts of Post-weaning Social Isolation on Nucleus Accumbens Function.

Long-Term Impacts of Post-weaning Social Isolation on Nucleus Accumbens Function.
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DOI:
10.3389/fpsyt.2021.745406
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发表时间:
2021
影响因子:
4.7
通讯作者:
Walker DM
Walker DM
中科院分区:
医学3区
文献类型:
--
作者:
Bendersky CJ;Milian AA;Andrus MD;De La Torre U;Walker DM

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青春期是一个令人难以置信的变化时期,特别是在大脑的奖励回路中。这段时间的压力,包括社会孤立,对与奖励和其他神经精神疾病相关的行为有深远的影响。由于伏隔核(NAc)对奖励刺激的整合至关重要,因此NAc对青少年社会隔离压力的破坏特别敏感。这篇综述强调了青少年社会隔离养育对NAc的长期行为后果。它将讨论NAc内的细胞和分子变化,这可能是对行为的长期影响的基础。当可用时,讨论性别特异性效应。最后,通过挖掘公开的数据,我们确定,第一次,关键的转录谱诱导的青春期社会隔离的基因与多巴胺受体1和2中型多刺神经元和基因与可卡因自我管理。总之,这篇评论提供了一个全面的讨论,从分子到行为的多巴胺能系统的青少年社会隔离的广泛的长期影响。
Adolescence is a period of incredible change, especially within the brain's reward circuitry. Stress, including social isolation, during this time has profound effects on behaviors associated with reward and other neuropsychiatric disorders. Because the Nucleus Accumbens (NAc), is crucial to the integration of rewarding stimuli, the NAc is especially sensitive to disruptions by adolescent social isolation stress. This review highlights the long-term behavioral consequences of adolescent social isolation rearing on the NAc. It will discuss the cellular and molecular changes within the NAc that might underlie the long-term effects on behavior. When available sex-specific effects are discussed. Finally by mining publicly available data we identify, for the first time, key transcriptional profiles induced by adolescence social isolation in genes associated with dopamine receptor 1 and 2 medium spiny neurons and genes associated with cocaine self-administration. Together, this review provides a comprehensive discussion of the wide-ranging long-term impacts of adolescent social isolation on the dopaminergic system from molecules through behavior.
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