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A research of intervention of Xuebijing injection (血必净注射液)on expression of heat shock protein 70 in rats with renal ischemia/reperfusion injury
Author(s): 
Pages: 293-295,封3
Year: Issue:  5
Journal: CHINESE JOURNAL OF INTEGRATED TRADITIONAL AND WESTERN MEDICINE IN INTENSIVE AND CRITICAL CARE

Keyword:  缺血/再灌注损伤热休克蛋白70活血化瘀中药肾脏;
Abstract: 目的 观察急性肾缺血/再灌注(I/R)热休克蛋白70(HSP70)的表达规律,及中药血必净注射液对肾I/R损伤的保护作用机制,探索药物诱导机体产生HSP70的可行性.方法 普通级雌性SD大鼠108只,体重(200±20)g,随机分为3组:正常对照组(A组);模型组(B组)于手术前5~10 rain从股静脉注射生理盐水5 ml/kg;活血化瘀中药组(C组)于手术前5~10 min从股静脉注射血必净注射液5 ml/kg,各组再分为再灌注0、6、12、24、36和48 h 6个亚组,每个亚组6只.于各时间点取血测血肌酐(SCr)、尿素氮(BUN);一侧肾组织用蛋白质免疫印迹法(Western blotting)检测HSP70表达;另一侧肾组织用于苏木素-伊红(HE)染色及免疫组化检测.结果 B组与C组SCr和BUN于再灌注6 h起均显著高于A组,C组低于B组,差异有统计学意义(P<0.05或P<0.01),表明血必净注射液有对抗肾I/R损伤并保护肾功能的作用.Western blotting扫描及免疫组化结果显示,C组HSP70表达在再灌注12 h较B组提前达到高峰,表明血必净注射液诱导HSP70表达提前达高峰,发挥保护作用.结论 血必净注射液通过刺激HSP70提前表达并显著升高,引发了内源性肾脏保护机制,为临床上早期预防急性肾功能衰竭发生和寻找肾I/R损伤的药物治疗提供重要的理论依据.
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