丹红注射液对大鼠移植肾缺血再灌注损伤后ICAM-1表达的影响

Journal of Chongqing Medical University(2010)

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Abstract
目的:探讨丹红注射液对大鼠移植肾缺血再灌注损伤和细胞间粘附分子I(ICAM-1)表达的影响.方法:建立近交系雄性SD大鼠同基因原位肾移植模型.共设4个实验组,假手术组,移植缺血再灌注组,丹红注射液预防组,丹红注射液治疗组.检测术后24 h各组大鼠的移植肾尿素氮(Blood urea nitrogen,Bun)和肌酐(Serum creatinine,Cr)变化,采用免疫组化法检测ICAM-l表达,HE染色光镜下观察肾组织损伤的病理改变,并进行Paller氏评分.结果:与假手术组比较,移植缺血再灌注组肾小管细胞ICAM-1阳性表达增强(P<0.01),Paller氏评分增加(P<0.01),肾小管上皮细胞肿胀、变性和坏死程度严重,ICAM-l表达量与肾小管评分呈正相关(P<0.01);与移植缺血再灌注组及治疗组比较,丹红预处理组肾小管细胞ICAM-I阳性表达下降(P<0.01),Puller氏评分降低(P<0.01),肾小管上皮细胞肿胀、变性和坏死程度较轻.结论:丹红注射液可能通过下调ICAM-1表达.减轻炎症反应对移植肾的损伤.
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Key words
Kidney ischemia-reperfusion,ICAM-1,Danhong injection
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