FTY720对大鼠肾间质纤维化的抑制作用

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目的研究FTY720对单侧输尿管梗阻(UUO)大鼠肾间质纤维化的防治作用及机制。方法将45只SD大鼠随机分成假手术组(SHAM),单侧输尿管梗阻组(UUO)和FTY720治疗组(UUO+FTY720)。治疗组于术前3d给予FTY7200.5mg/(kg·d)灌胃,UUO模型组和SHAM组给予等量生理盐水。3组分别于术后7、14、21d各处死5只大鼠,并收集血清和24h尿液,观察肾功能和24h尿蛋白变化。取梗阻侧肾做组织学检查,观察肾间质纤维化程度。用免疫组化方法检测肾组织中α-平滑肌肌动蛋白(α
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