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培哚普利对阿霉素肾病大鼠肾脏的保护作用 被引量:1

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摘要 目的探讨培哚普利对阿霉素肾病大鼠肾脏损害的保护作用及其机制。方法将SD大鼠45只随机分为对照组15只、模型组30只。模型组大鼠尾静脉一次注射盐酸阿霉素7 mg/kg,对照组大鼠尾静脉注射等容积生理盐水,注射阿霉素1周后尿蛋白定量>100 mg/24 h即算建模成功。将建模成功的26只大鼠随机分为肾病模型组和培哚普利治疗组,各13只。培哚普利治疗组给予培哚普利0.5 mg/(kg·d)灌胃,共6周。对照组和肾病模型组给予等容积生理盐水灌胃。检测各组大鼠24 h尿蛋白定量、血清总蛋白、白蛋白、胆固醇、甘油三酯、血尿素氮及血肌酐,光镜观察肾组织病理变化,免疫组化和Western blot检测nephrin和TGF-β1的表达。结果与对照组相比,肾病模型组及培哚普利治疗组24 h尿蛋白定量、胆固醇、甘油三酯、血尿素氮、血肌酐和肾小球TGF-β1表达均升高(P<0.05),但培哚普利治疗组上述指标均低于肾病模型组(P<0.05)。与对照组相比,肾病模型组及培哚普利治疗组血清总蛋白、白蛋白、肾小球nephrin表达降低(P<0.05),但培哚普利治疗组上述指标高于肾病模型组(P<0.05)。结论培哚普利可上调阿霉素肾病大鼠肾小球nephrin的表达,抑制TGF-β1的表达,减少尿蛋白排泄,并减轻肾组织病理损害。
机构地区 西安市儿童医院
出处 《山东医药》 CAS 2013年第35期26-28,I0003,I0004,共5页 Shandong Medical Journal
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参考文献14

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二级参考文献44

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