GABAA receptor trafficking-mediated plasticity of inhibitory synapses.
GABAA receptor trafficking-mediated plasticity of inhibitory synapses.
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DOI:
10.1016/j.neuron.2011.03.024
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发表时间:
2011-05-12
期刊:
影响因子:
16.2
通讯作者:
Kilpatrick CL
中科院分区:
文献类型:
--
作者:
Luscher B;Fuchs T;Kilpatrick CL
Proper developmental, neural cell type-specific and activity-dependent regulation of GABAergic transmission is essential for virtually all aspects of CNS function. The number of GABAA receptors in the postsynaptic membrane directly controls the efficacy of GABAergic synaptic transmission. Thus, regulated trafficking of GABAA receptors is essential for understanding of brain function in both health and disease. Here we summarize recent progress in understanding of mechanisms that allow dynamic adaptation of cell surface expression and postsynaptic accumulation and function of GABAA receptors. This includes activity-dependent and cell type-specific changes in subunit gene expression, assembly of subunits into receptors, as well as exocytosis, endocytic recycling, diffusion dynamics and degradation of GABAA receptors. In particular, we focus on the roles of receptor-interacting proteins, scaffold proteins, synaptic adhesion proteins, and enzymes that regulate the trafficking and function of receptors and associated proteins. In addition, we review neuropeptide signaling pathways that affect neural excitability through changes in GABAAR trafficking.
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