Emerging neurotrophic role of GABAB receptors in neuronal circuit development.

Emerging neurotrophic role of GABAB receptors in neuronal circuit development.
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DOI:
10.3389/fncel.2013.00206
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发表时间:
2013
影响因子:
5.3
通讯作者:
Porcher C
Porcher C
中科院分区:
医学2区
文献类型:
--
作者:
Gaiarsa JL;Porcher C

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中枢神经系统中高度组织化结构的正确发育是一个复杂的过程,在此过程中,关键事件-神经发生、迁移、生长、分化和突触发生-必须以适当的方式发生,以创建功能性神经元网络。现已证实,GABA是成年哺乳动物大脑中的主要抑制性神经递质,其作用不仅仅是经典的抑制作用,还可以在生命早期作为重要的发育信号发挥作用。GABA与氯离子渗透性GABAA受体和G蛋白偶联GABAB受体(GABAB-Rs)结合。虽然GABA的大多数营养作用归因于GABAA受体的激活,但最近的进展表明,GABAB-R也调节网络发育的基本步骤。本文就GABAB-R对神经发育的神经营养作用的研究进展作一综述。
The proper development of highly organized structures in the central nervous system is a complex process during which key events – neurogenesis, migration, growth, differentiation, and synaptogenesis – have to take place in an appropriate manner to create functional neuronal networks. It is now well established that GABA, the main inhibitory neurotransmitter in the adult mammalian brain, plays more than a classical inhibitory role and can function as an important developmental signal early in life. GABA binds to chloride-permeable ionotropic GABAA receptors and to G-protein-coupled GABAB receptors (GABAB-Rs). Although most of the trophic actions of GABA have been attributed to the activation of GABAA receptors, recent advances show that GABAB-Rs also regulate fundamental steps of network development. This review summarizes some of the recent progress about the neurotrophic role of GABAB-Rs to neuronal development.
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