川芎醇提取物对马桑内酯致痫神经元胞浆游离钙的影响
Effect of the extracts of Szechwan Lovge Rhizome on [Ca~(2+)]i of the cultured cortex neurons exposed to coriaria lactone
作者:廖松洁,周东
Author:
收稿日期: 年卷(期)页码:2003,(02):-84-87
期刊名称:华西药学杂志
Journal Name:WEST CHINA JOURNAL OF PHARMACEUTICAL SCIENCES
关键字:细胞培养;神经元;川芎;马桑内酯;Fluo3;Ca2+
Key words:
基金项目:国家基础研究规划项目 ( 973No.G19990 5 44 0 2 )
中文摘要
目的 研究川芎醇提取物对马桑内酯致痫神经元胞浆内游离Ca2 + 浓度 ([Ca2 + ]i)的作用 ,寻找创新中药的理论基础。方法 采用体外培养 4~ 6d的大鼠皮层神经元 ,分为生理盐水空白对照组、乙醇本底对照组、尼莫地平阳性对照组、川芎醇提取物干预组。以胞浆内Ca2 + 特异性荧光探针Fluo 3负载神经元后 ,分别加入马桑内酯 80、12 0 μg·ml-1作用 5min ,用激光扫描共聚焦显微镜动态监测药物对神经元胞浆 [Ca2 + ]的影响。结果 马桑内酯 12 0 μg·ml-1促进神经元 [Ca2 + ]荧光强度增加 ,乙醇抑制马桑内酯所致神经元胞浆内 [Ca2 + ]增加 ,尼莫地平有这种作用趋势却无统计学意义 ,川芎的醇提部分 10 0 μg·ml-1能够抑制马桑内酯导致的神经元胞浆Ca2 + 荧光强度增加 (P
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