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两种糖尿病肾病大鼠模型的对比研究 被引量:4

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摘要 目的对比两种糖尿病肾病动物模型肾脏纤维化进程及其机制探讨。方法 32只雄性SD大鼠随机分成4组:正常对照组(Con组);单肾切除组(Nx组);糖尿病组(DM组);单肾切除+糖尿病组(DMNx组)。共观察16周,于16周末检测各组大鼠血糖、血压、尿白蛋白、肾重/体质量、肾脏病理。用RT-PCR检测各组大鼠肾组织α-SMA、E-cadherin mRNA表达水平。结果与DM组相比较,DM Nx组大鼠肾重/体质量比值增加,系膜基质明显增多,尿白蛋白排泄率明显增加。DM Nx组大鼠肾小管间质出现局灶性纤维化。但两组之间的血压,血糖水平差异无显著性。与Con组及Nx组相比较,DM组与DM Nx组大鼠肾脏组织中α-SMA mRNA的表达水平均显著增高,且DM Nx组较DM组升高更明显;而E-cadherin mRNA的表达水平显著降低,且DM Nx组较DM组降低更明显。结论单肾切除后STZ诱导的糖尿病肾病模型与单纯STZ诱导的糖尿病肾病模型相比,小管间质更早出现纤维化,可能与肾小管上皮细胞转分化程度更强有关。
出处 《中国医药指南》 2010年第20期244-246,共3页 Guide of China Medicine
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同被引文献37

  • 1张丽芬,赵进喜,吕仁和,杨洪涛,曹式丽,黄学民,张淑娥,马建伟,徐丽梅,朱章志,刘敏,周春华,杨君,亓鲁光,李朝敏,冯兴中,姜敏,程益春,郭宝荣.糖尿病肾病肾功能不全防治优化方案的有效性和安全性研究[J].中医杂志,2006,47(10):755-758. 被引量:30
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