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葛根素对大鼠急性脑缺血的保护作用
Protective Effect of Puerarin on Acute CerebralIschemia in Rats
【摘要】 结扎大鼠双侧颈总动脉造成急性不完全性脑缺血,EEG出现严重抑制,脑含水量增加;电热凝闭大鼠左侧MCA,左侧大脑半球含水量增加,右侧肢体出现运动障碍等改变;上述两种模型动物的脑组织皆呈典型缺血性组织形态学改变。葛根素ip可使上述症状明显改善。
【Abstract】 Acute incomplete brain ischemia in rats was induced by bilateral carotid artery occlusion(BCAO).BCAO results in severe suppression of EEG and increase of brain water content.Left middle cerebral artery occlusion(MCAO) in rats by electrical coagulation results in increase of brain water content of ipsilateral hemisphere and contralateral hemiparesis. The typical ischemic neuropathological damage emerges in both BCAO and MCAO models.Intraperitoneal injection of puerarin significantly helps improve all these brain ischemic disturbances.
【关键词】 葛根素;
不完全性脑缺血;
局灶性脑缺血;
【Key words】 puerarin; incomplete cerebral ischemia; focal cerebral ischemia;
【Key words】 puerarin; incomplete cerebral ischemia; focal cerebral ischemia;
- 【文献出处】 中国中药杂志 ,CHINA JOURNAL OF CHINESE MATERIA MEDICA , 编辑部邮箱 ,1997年12期
- 【分类号】R285.5
- 【被引频次】59
- 【下载频次】129