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中药复方糖肾康对实验性糖尿病大鼠肾组织中TNF-α mRNA表达的影响

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摘要 目的探讨中药复方糖肾康胶囊对早期糖尿病肾病的肾脏保护机制。方法大鼠随机分为对照组(A组)、模型组(B组)、糖脉康治疗组(C组)、伊那普利治疗组(D组)、糖肾康治疗组(E组),每组10只。观察8周后,用RT-PCR检测各组肾皮质TNF-αmRNA的表达。检测体重、血糖、血尿素氮(BUN)、血肌酐(Cr)、尿白蛋白排泄率(UAER)、肾重指数。结果B组8周后出现体重显著降低(P<0.01);血糖、肾重指数、血BUN与Cr水平显著升高(P<0.01);肾皮质TNF-αmRNA的表达明显增高(P<0.01)。经过糖肾康8周的治疗后,体重显著回升(P<0.01);血糖、肾重指数、UAER显著降低(P<0.01);肾皮质TNF-αmRNA的表达明显降低(P<0.01)。结论糖肾康对早期糖尿病肾病的肾脏具有保护作用。其机制可能为糖肾康下调TNF-α系统的表达,后者有抑制细胞肥大、减少细胞外基质成分的合成的作用。
出处 《光明中医》 2006年第3期58-60,共3页 GUANGMING JOURNAL OF CHINESE MEDICINE
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