A specific circuit in the midbrain detects stress and induces restorative sleep.

A specific circuit in the midbrain detects stress and induces restorative sleep.
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中脑中的特定电路可以检测压力并诱导恢复性睡眠

DOI:
10.1126/science.abn0853
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发表时间:
2022-07
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Wisden W
Wisden W
中科院分区:
其他
文献类型:
--
作者:
Yu X;Zhao G;Wang D;Wang S;Li R;Li A;Wang H;Nollet M;Chun YY;Zhao T;Yustos R;Li H;Zhao J;Li J;Cai M;Vyssotski AL;Li Y;Dong H;Franks NP;Wisden W

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在小鼠中,社会失败压力(SDS),一种心理社会压力的行为学模型,诱导睡眠。这样的睡眠可以增强适应力,但压力如何促进睡眠尚不清楚。活动依赖标记显示腹侧被盖区gaba -生长抑素(vtavgate - sst)细胞亚群感知压力,通过外侧下丘脑驱动NREM和REM睡眠,并抑制室旁下丘脑促肾上腺皮质激素释放因子(CRF)的释放。短暂的应激可在数小时内增强vtavgate - sst细胞的活性,使其持续发挥睡眠作用。VTAVgat-Sst细胞损伤可消除sds诱导的睡眠;没有它,焦虑和皮质酮水平在压力后仍然升高。因此,一种特定的回路允许动物通过睡眠恢复精神和身体功能,这可能为治疗焦虑症提供一种完善的途径。
In mice, social defeat stress (SDS), an ethological model for psychosocial stress, induces sleep. Such sleep could enable resilience, but how stress promotes sleep is unclear. Activity-dependent tagging revealed a subset of ventral tegmental area GABA-somatostatin (VTAVgat-Sst) cells that sense stress and drive NREM and REM sleep via the lateral hypothalamus, and also inhibit corticotropin-releasing factor (CRF) release in the paraventricular hypothalamus. Transient stress enhances the activity of VTAVgat-Sst cells for several hours, allowing them to exert their sleep effects persistently. Lesioning of VTAVgat-Sst cells abolished SDS-induced sleep; without it, anxiety and corticosterone levels remained elevated after stress. Thus, a specific circuit allows animals to restore mental and body functions via sleeping, potentially providing a refined route for treating anxiety disorders.
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