伊贝沙坦对肾间质纤维的保护及治疗作用实验研究  

Experimental study regarding protective and therapeutic effects of irbesartan on renal interstitial fibrosis

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作  者:左平祥 刘会卿[2] 李荣芬[3] 

机构地区:[1]河北省灵寿县医院内科,050500 [2]河北省石家庄市第一医院干部病房 [3]河北医科大学第三医院肾内科

出  处:《河北医药》2008年第4期434-435,共2页Hebei Medical Journal

基  金:石家庄市科技支撑计划项目(编号:061461373)

摘  要:目的观察伊贝沙坦对单侧输尿管梗阻大鼠肾间质中PDGF-BB介导的肾间质纤维化的影响。方法制作大鼠肾间质纤维化模型,随机分为假手术组、模型组和伊贝沙坦治疗组,术后第7、14天分别处死各组中6只大鼠,检测大鼠肾功能、尿β2-微球蛋白,用免疫组化方法测定肾组织中α-平滑肌肌动蛋白(α-SMA)和血小板衍生生长因子(PDGF-BB)蛋白表达,动态观察肾脏病理变化。结果与输尿管梗阻核型(UUO)组比较,治疗组肾间质纤维化明显减轻(P<0.05),肾间质中α-SMA、PDGF-BB表达明显减少(P<0.05)。结论伊贝沙坦可通过下调肾间质PDGF-BB表达减轻肾组织间质纤维化。Objective To investigate the effect of irbesartan on the expression of platelet-derived growth factor-bb(PDGF-BB) and its mechanism of renal interstitial fibrosis following unilateral ureteral obstruction(UUO) in rat kidney.Methods The rat models of renal interstitial fibrosis were established, and sham-operation, irbesartan treatment and control group were set up. 6 rats of each group were killed respectively at 7、14 days after surgery. Venous blood sample was collected to measure the levels of 24-hour ureal protein. The pathological changes and expression of PDGF-BB,α-smooth muscle actin(α-SMA) in renal interstitium were observed. Results Irbesartan could significantly decrease the expression of PDGF-BB( P 〈0.05) and α-SMA( P 〈0.05) in renal interstitium.Conclusion Irbesartan may play a protective role in the kidney by down-regulating PDGF-BB and alleviating renal interstitial fibrosis following UUO.

关 键 词:肾间质 纤维化 伊贝沙坦 

分 类 号:R692[医药卫生—泌尿科学] R544.1[医药卫生—外科学]

 

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