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芦丁对大鼠脑缺血性再灌注损伤的保护作用 被引量:2

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摘要 目的探讨芦丁对脑缺血再灌注损伤的作用及机制。方法 30只SD大鼠随机分为3组。模型组和芦丁组采用线栓法构建大脑中动脉局灶缺血(1.5h)再灌注损伤模型,芦丁组在缺血前15min腹腔注射芦丁(10mg/kg),模型组腹腔注射等量生理盐水。术后24h处死大鼠,收集脑组织和血清,HE染色观察脑组织病理形态学变化,ELISA检测和RT-PCR检测脑组织促炎症细胞因子TNF-α,IL-1β和IL-8的表达变化,Western Blot检测脑组织中Wnt,β-catenin,cyclin D 1和survivin的表达变化。结果芦丁可减轻脑缺血再灌注损伤大鼠的脑组织病理形态学变化,Wnt和β-catenin的表达和促炎症细胞因子TNF-α,IL-1β和IL-8表达(P<0.05)。结论芦丁可通过抑制Wnt/β-catenin信号途径介导的炎性反应而减轻脑缺血再灌注损伤。
出处 《贵州医药》 CAS 2016年第4期365-367,共3页 Guizhou Medical Journal
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