Effects of ulinastatin on renal ischemia-reperfusion injury in rats

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Cong-cong CHEN
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<Keyword>reperfusion injury; urinastatin; immunohistochemistry; ultrastructure;
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R692 [肾疾病];
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AIM: To investigate the effect and possible mechanism of ulinastatin on renal ischemia-reperfusion injury in rats. METHODS: Male Sprague-Dawley rats were subjected to 45-min bilateral renal ischemia, treated with intravenously 12 500 U ulinastatin at 30 min prior to ischemia and at the beginning of reperfusion, compared with a nontreated group without ulinastatin and a sham-operation group without bilateral renal ischemia. After 0 h, 2 h, 6 h, 12 h, and 24 h of reperfusion, serum creatinine and blood urea nitrogen were measured for the assessment of renal function, renal sections were used for histologic grading of renal injury, for immunohistochemical localization of Bcl-2 and heat shock protein 70. Renal ultrastructure was observed through a transmission electron microscope. RESULTS: Ulinastatin significantly reduced the increase in blood urea nitrogen and creatinine produced by renal ischemia-reperfusion, suggesting an improvement in renal function. Ulinastatin reduced the histologic evidence of renal
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页码:94 / 100
页数:7
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