清营生脉汤对心肌缺血再灌注损伤大鼠炎症因子的影响Effect of Qingying Shengmai Decoction on the Inflammation Factor of Myocardial Ischemia-reperfusion Injury Rats
赵东,付殷,李睿如,杜易润,张洋
摘要(Abstract):
目的 观察清营生脉汤对心肌缺血再灌注损伤(MIRI)大鼠炎症因子的影响。方法 将60只SD大鼠随机分为假手术组、模型组、阳性药组和清营生脉汤高、中、低剂量组,每组10只。灌胃14 d后,结扎大鼠心脏左冠状动脉前降支后再复灌建立心肌缺血再灌注模型。应用TTC染色法检测心肌梗死面积;ELISA法检测肌酸激酶(CK)、肌酸激酶同工酶(CK-MB)、白细胞介素-2(IL-2)、白细胞介素-4(IL-4)水平;Western blotting法检测JNK、P-JNK蛋白表达。结果 与假手术组比较,模型组心肌梗死面积增加;与模型组比较,清营生脉汤高、中、低剂量组与阳性药组的心肌梗死面积明显减少;与模型组比较,清营生脉汤高、中、低剂量组CK和CK-MB含量显著降低(P <0.01),IL-2水平显著降低(P <0.01),IL-4水平显著升高(P <0.01),JNK蛋白表达无明显改变(P> 0.05),P-JNK蛋白表达显著降低(P <0.01)。结论 清营生脉汤可减轻MIRI大鼠心肌损伤,缩小心肌梗死面积,发挥心肌保护作用,并推测其减轻MIRI炎症损伤的作用可能与抑制JNK通路激活相关。
关键词(KeyWords): 心肌缺血再灌注损伤;JNK信号通路;清营生脉汤;炎症因子;大鼠
基金项目(Foundation): 黑龙江省博士后资助项目(LBH-Q19058)
作者(Author): 赵东,付殷,李睿如,杜易润,张洋
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