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Effect of Rehmannia glutinosa water extraction on insulin resistance and gene expression of resistin in type 2 diabetes mellitus rats
Author(s): LV Xiu-fang, MENG Qing-yu, GUO Xin-min
Pages: 2182-
2184
Year: 2007
Issue:
20
Journal: CHINA JOURNAL OF CHINESE MATERIA MEDICA
Keyword: 地黄水提液; 2型糖尿病; 胰岛素抵抗; resistin基因; 基因表达;
Abstract: 目的:探讨中药地黄水提液对2型糖尿病大鼠糖脂代谢和resistin基因表达的影响.方法:Wistar大鼠喂以高热量饲料加链脲佐菌素建立2型糖尿病大鼠模型,随机分为正常对照组、2型糖尿病模型组、地黄高、中、低剂量治疗组.8周后,以RT-PCR法检测大网膜脂肪组织resistin基因mRNA的表达,以SDS-PAGE检测其蛋白的表达.同时观察空腹血糖、空腹血胰岛素、血脂的含量和胰岛素抵抗指数的变化,研究不同剂量地黄水提液对上述各指标的影响.结果:地黄治疗组大鼠较模型组大鼠resistin基因mRNA和蛋白表达显著降低(P<0.05).各治疗组FPG,FINS,TG,LDL,CH的含量及IR显著降低(P<0.05),而HDL则显著升高(P<0.05).结论:地黄水提液通过抑制脂肪组织抵抗素基因的表达,降低血胰岛素抵抗水平、改善脂代谢紊乱,从而降低2型糖尿病大鼠血糖.
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