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3种中医治法对脑缺血再灌注损伤大鼠自由基和神经元凋亡的动态比较研究 被引量:2

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摘要 目的动态比较益气活血法、化痰通腑法、潜阳熄风法三种中医治法对急性缺血性脑血管疾病的动物模型的疗效,探讨脑缺血急性期的证候属性及其演变规律。方法采用线栓法制作局灶性脑缺血再灌注大鼠模型,动态观察缺血2h再灌注24h、48h和72h,3种中医治法组方灌胃给药对一氧化氮(NO)、一氧化氮合酶(NOS)、超氧化物歧化酶(SOD)、丙二醛(MDA)和神经细胞凋亡率的变化。结果(1)脑缺血2h再灌注24h、48h、72h,模型组指标较假手术组均有显著病理性改变(2)缺血2h再灌注24h,各治疗组与模型组相比均有显著改善。组间比较,增强SOD活性潜阳熄风组最优。(3)缺血2h再灌注48h,各治疗组与模型组相比均有显著改善。组间比较,降低脑匀浆NOS益气活血组最优。(4)缺血2h再灌注72h,各治疗组均能显著改善SOD/MDA和神经细胞凋亡的病理改变。组间比较,降低脑匀浆MDA化痰通腑组最优;降低脑匀浆NO含量和NOS活性,益气活血组最优。结论潜阳熄风法,在缺血2h再灌注24h,提高SOD活性;益气活血法,在缺血2h再灌注48h及72h,降低NO含量和NOS活性;化痰通腑法,在缺血2h再灌注72h,清除过量MDA。
机构地区 安徽中医学院
出处 《中国实验方剂学杂志》 CAS 2005年第5期49-51,共3页 Chinese Journal of Experimental Traditional Medical Formulae
基金 国家中医药管理局项目(0203JPl8)
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参考文献5

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