Neural mechanisms underlying GABAergic regulation of adult hippocampal neurogenesis.

Neural mechanisms underlying GABAergic regulation of adult hippocampal neurogenesis.
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DOI:
10.1007/s00441-017-2668-y
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发表时间:
2018-01
影响因子:
3.6
通讯作者:
Song J
Song J
中科院分区:
生物学3区
文献类型:
--
作者:
Catavero C;Bao H;Song J

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在成人海马齿状回内是颗粒下带,其中包含放射状神经胶质细胞的神经源性壁龛,放射状胶质细胞是成人大脑中最原始的神经干细胞。这种神经干细胞库的静止是由中间神经元释放的GABA维持的。一旦这些细胞分化为神经前体细胞,GABA继续调节它们向成熟颗粒细胞的发育,成熟颗粒细胞是齿状回的主要细胞类型。在这里,我们回顾了GABA回路、信号和受体在成年出生神经元发育调节中的作用,以及调节GABA信号的分子角色。此外,我们回顾了最近的发现,将成年海马神经发生的失调与在各种病理条件下发现的改变的GABA能回路和信号联系在一起。
Within the dentate gyrus of the adult hippocampus is the subgranular zone, which contains a neurogenic niche for radial-like glial cells, the most primitive neural stem cells in the adult brain. The quiescence of this neural stem cell pool is maintained by tonic GABA release from interneurons. Once these cells differentiate into neural progenitor cells, GABA continues to regulate their development into mature granule cells, the principle cell type of the dentate gyrus. Here we review the role of GABA circuits, signaling, and receptors in regulation of the development of adult-born neurons, as well as the molecular players that modulate GABA signaling. Furthermore, we review recent findings linking the dysregulation of adult hippocampal neurogenesis to the altered GABAergic circuitry and signaling found in various pathological conditions.
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