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缬沙坦对肾小球硬化影响实验研究 被引量:5

Experimental study on the effects of valsartan on glomerulosclerosis
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摘要 目的探讨血管紧张素Ⅱ1 -型受体拮抗剂 (AT1RA)缬沙坦对肾小球硬化的影响及其作用机制。方法将36只SD大鼠随机均分为3组 ,即正常对照组、肾病未治疗组和缬沙坦治疗组 ,观察各组大鼠的尿蛋白、血生化值、肾脏病理改变及肾脏组织中转化生长因子 - β1(TGF_β1)和纤维连接蛋白 (FN)的表达。结果①缬沙坦治疗组尿蛋白自第7周起较未治疗组明显降低 (P<0.01) ;②实验结束时 ,治疗组血白蛋白较未治疗组明显增高 (P<0.05) ;③肾小球硬化指数 (GSI)治疗组较未治疗组明显降低 (P<0.01) ;④肾组织中TGF_β1 和FN在正常组表达最少(P<0.05) ,未治疗组表达最强(P<0.01)。结论缬沙坦对肾小球硬化模型大鼠的肾脏病变具有保护作用 ,其机制可能为通过下调TGF_β1 的表达 ,减少细胞外基质的沉积 ,延缓肾小球硬化的进展。
出处 《临床儿科杂志》 CAS CSCD 北大核心 2004年第5期320-322,共3页 Journal of Clinical Pediatrics
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