Goodnight, astrocyte: waking up to astroglial mechanisms in sleep.

Goodnight, astrocyte: waking up to astroglial mechanisms in sleep.
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晚安,星形胶质细胞:唤醒睡眠中的星形胶质机制。

DOI:
10.1111/febs.16424
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发表时间:
2023-05
期刊:
The FEBS journal
影响因子:
--
通讯作者:
--
中科院分区:
其他
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星形胶质细胞介导神经稳态的许多重要方面,但直到最近,人们对它们在睡眠中的作用还知之甚少。过去十年,情况发生了巨大变化。转基因动物、光遗传学、化学遗传学、脑成像和复杂的分子分析的使用带来了令人兴奋的发现。星形胶质细胞在整个睡眠-觉醒周期中动态地改变其活动,并可能通过细胞内信号通路的变化来编码睡眠需求。星形胶质细胞还胞吐/分泌睡眠诱导分子,调节大脑活动、睡眠结构和睡眠调节。其中许多观察结果是在小鼠和果蝇中进行的,表明星形胶质细胞的睡眠机制在进化上是保守的。我们回顾最近的发现并讨论未来的方向。
Astrocytes mediate many important aspects of neural homeostasis, but until recently, their role in sleep was largely unknown. The situation has dramatically changed in the last decade. The use of transgenic animals, optogenetics, chemogenetics, brain imaging and sophisticated molecular assays has led to exciting discoveries. Astrocytes dynamically change their activity across the sleep–wake cycle and may encode sleep need via changes in intracellular signalling pathways. Astrocytes also exocytose/secrete sleep-inducing molecules which modulate brain activity, sleep architecture and sleep regulation. Many of these observations have been made in mice and Drosophila melanogaster, indicating that astroglial sleep mechanisms are evolutionarily conserved. We review recent findings and discuss future directions.
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