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胆总管结扎预适应减轻小鼠肾脏缺血再灌注损伤

WANG Pan-liang, DONG Yang, ZHANG Ming,ZHANG Jian-jun

Chinese Journal of Organ Transplantation(2012)

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Abstract
目的 探讨胆总管结扎预适应减轻小鼠肾脏缺血再灌注损伤的可能机制.方法 C57BL/6小鼠分为3组进行实验.胆总管结扎预适应组(CBDL组)结扎胆总管(d0),2d后(d2)再通,再过2d后(d4)行左肾缺血再灌注手术;假手术组仅结扎胆囊管(d0),d4再行左肾缺血再灌注手术;对照组不进行任何处理.监测血胆红素总量(TBil)的变化情况.肾脏缺脏再灌注后24 h(dS)检测各组小鼠血清肌酐(Cr).蛋白质印迹法检测CBDL组和假手术组肾脏热休克蛋白27 (HSP-27)和内皮型一氧化氮合酶(eNOS)的表达情况.结果 CBDL组胆总管结扎2d后,TBil达到最高,再通2d后,TBil基本降至正常水平.CBDL组Cr低于假手术组(P<0.05).CBDL组HSP-27和eNOS的表达量高于假手术组(P<0.05).结论 胆道结扎预适应能明显减轻小鼠肾脏缺血再灌注损伤,其机制可能与引起肾脏局部HSP-27和eNOS高表达有关.
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Key words
Common bile duct,Ligation,Reperfusion injury,kidney,HSP27 Heat-shock proteins,Nitric oxide synthase
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