补肾活血与益气活血方药对脑缺血老龄大鼠白介素-8和肿瘤坏死因子的影响The Influence of Drugs for Tonifying Kidney and Promoting Blood Circulation,for Increasing Qi and Promoting Blood Circulation,on the Levels of IL-8 and TNF in Aged Rats
周清安,李建生,王至婉,李小黎,侯秀娟
摘要(Abstract):
目的探讨缺血性脑损伤病理,比较补肾活血与益气活血方药防治机制,为其临床应用提供依据。方法采用二血管(CCA)阻断方法复制老龄大鼠急性脑缺血模型;观察具有补肾益元、活血通络功效的中药复方益元活血丹及具有益气活血通络功效的中药复方益气活血方对脑缺血老龄大鼠白介素(IL)-8和肿瘤坏死因子(TNF)水平的影响。结果与老龄假手术组比较,老龄模型组血清IL-8、血清及脑组织TNF水平明显升高;与老龄模型组对照,两方药组血清IL-8、血清和脑组织TNF水平降低。结论老龄大鼠急性脑缺血损伤可能在于IL-8、TNF水平升高,加重脑组织缺血损伤;补肾活血和益气活血方药对急性脑缺血防护作用显著,其机制可能在于抑制IL-8、TNF介导的脑组织损害作用;两方药均降低脑缺血损伤血清IL-8水平而起保护作用,但作用机制有所侧重:益气活血方药降低血清IL-8水平较明显。
关键词(KeyWords): 脑缺血;大鼠;老年;细胞因子;益元活血丹;益气活血方
基金项目(Foundation):
作者(Author): 周清安,李建生,王至婉,李小黎,侯秀娟
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