Regulation of ion channel expression in neural cells by hormones and growth factors

被引:14
作者
Chew, LJ [1 ]
Gallo, V [1 ]
机构
[1] NICHHD, Lab Cellular & Mol Neurophysiol, NIH, Bethesda, MD 20892 USA
关键词
ligand-gated; voltage-gated; neurotransmitter receptors; neural development; glia; gene expression; transcription; nerve growth factor; steroid hormones;
D O I
10.1007/BF02741300
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Voltage-and ligand-gated ion channels are key players in synaptic transmission and neuron-glia communication in the nervous system. Expression of these proteins can be regulated at several levels (transcriptional, translational, or posttranslational) and by multiple extracellular factors in the developing and mature nervous system. A wide variety of hormones and growth factors have been identified as important in neural cell differentiation, which is a complex process involving the acquisition of cell-type-specific ion channel phenotypes. Much literature has already accumulated describing the structural and functional characteristics of ion channels, but relatively little is known about the factors that influence their synthesis and cell surface expression, although this area has generated considerable interest in the context of neural cell development. This article reviews several examples of regulated expression of these channels by cellular factors, namely peptide growth factors and steroid hormones, and discusses, where applicable, current understanding of molecular mechanisms underlying such regulation of voltage-and neurotransmitter-gated ion channels.
引用
收藏
页码:175 / 225
页数:51
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