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政大機構典藏 > 理學院 > 神經科學研究所 > 期刊論文 > Item 140.119/70090

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题名:	Integrin αv and NCAM mediate the effects of GDNF on DA neuron survival, outgrowth, DA turnover and motor activity in rats
作者:	趙知章 Chao,Chih Chang;Ma,YL;Chu,KY;Lee,EH
贡献者:	神科所
关键词:	Glial cell line-derived neurotrophic factor;Substantia nigra;Integrin;NCAM;Mesencephalic culture
日期:	2003.01
上传时间:	2014-09-23 12:25:48 (UTC+8)
摘要:	Glial cell line-derived neurotrophic factor (GDNF) is a specific neurotrophic factor for midbrain dopamine (DA) neurons, but the mechanism underlying the neurotrophic action of GDNF is not well known. The cell adhesion molecules integrin and Neural cell adhesion molecule (NCAM) play important roles in neurite outgrowth and fasciculation. In the present study, we found that subchronic GDNF administration to the pars compacta of substantia nigra in rats increased the expression of integrin alphav and NCAM. Immunostaining results demonstrated the wide distribution of integrin alphav and NCAM in all mesencephalic neurons. The results also demonstrated the co-expression of TH with integrin alphav and NCAM in the same neurons of mesencephalic culture. Further, GDNF significantly increased integrin alphav expression in single TH-positive neurons. Function-blocking anti-integrin alphav and anti-NCAM antibodies antagonized the effects of GDNF on DA neuron survival, outgrowth, DA turnover, and locomotor activity in rats. These results demonstrate that integrin alphav and NCAM mediate the effects of GDNF on DA neuron survival and outgrowth during development and on DA turnover and motor function during adulthood.
關聯:	Neurobiology of Aging,24(1),105-116
数据类型:	article
DOI 連結:	http://dx.doi.org/10.1016/S0197-4580(02)00047-7
DOI:	10.1016/S0197-4580(02)00047-7
显示于类别:	[神經科學研究所] 期刊論文

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档案	描述	大小	格式	浏览次数
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