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神经元ATP敏感钾通道的研究进展 被引量:3

New light on neuronal ATP-sensitive potassium channels
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摘要 ATP敏感性钾离子通道 (KATP,ATPsensitivepotassi umchannel)广泛存在于包括脑在内的多种组织细胞上。该通道是由磺酰脲受体 (SUR ,sulphonylureareceptor)和内向整流钾通道 (Kir,inwardlyrectifyingpotassiumchannel)亚单位组成的异源四聚体 (SUR/Kir6) 4,其活性可被细胞内ATP调控。脑内的KATP通道在生理状态下可介导中枢糖敏感性及代谢应激过程 ,在脑缺血。 ATP sensitive potassium (K ATP ) channels widely expressed in many tissue and cell types including neurons are heteromultimers of sulfonylurea receptor (SUR) and inward rectifier K + channel (Kir6) subunits associated with 1∶1 stoichiometry as a tetramer (SUR/Kir6) 4. The activity of K ATP channels is modulated by intracellular ATP concentrations. Neuronal K ATP channels are involved in the mediation of glucose sensing and metabolic stress. Under physiological condition, they also possess important pathophysiological functions in acute brain ischemic and chronic neurodegenerative diseases.
作者 张颖丽 汪海
出处 《中国药理学通报》 CAS CSCD 北大核心 2003年第7期731-735,共5页 Chinese Pharmacological Bulletin
基金 军队"十五"重点课题 No 0 1Z0 2 5
关键词 ATP敏感性钾通道 磺酰脲受体 缺血 帕金森病 ATP sensitive potassium channels sulphonylurea receptor ischemia Parkinsons disease
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参考文献24

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共引文献17

同被引文献46

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