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2型糖尿病大鼠胰岛素抵抗与视黄醇结合蛋白4的相关性 被引量:3

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摘要 目的观察高糖高脂膳食加小剂量链脲佐菌素腹腔注射诱导的2型糖尿病(T2DM)大鼠的血清视黄醇结合蛋白4(RBP4)的变化,探讨胰岛素抵抗(IR)与RBP4的关系。方法将30只健康SD雄性大鼠随机分为正常对照组15只,模型组15只,喂养8 w后,模型组予小剂量链脲佐菌素腹腔注射,建立T2DM大鼠IR模型,造模成功后继续喂养4 w。实验结束时检测两组大鼠空腹血糖(FBG)、总胆固醇(TC)、甘油三酯(TG)、低密度脂蛋白胆固醇(LDL-C)、空腹胰岛素水平(FINS)和血清RBP4水平,计算胰岛素敏感指数(ISI)和胰岛素抵抗指数(HOMA-IR)。结果①模型组大鼠体重在前8 w呈更明显的持续增加,第9周模型组大鼠体重开始下降,至第12周末明显低于正常对照组;②模型组大鼠血清RBP4、FBG、FINS、TG、TC、LDL-C、HOMA-IR高于正常对照组,ISI则显著降低;③模型组大鼠血清RBP4与FBG、FINS、TG、TC、LDL-C、HOMA-IR呈正相关,与ISI呈负相关;HOMA-IR是血清RBP4的独立的影响因素。结论 RBP4参与了T2DM的IR发生发展。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2013年第5期1104-1106,共3页 Chinese Journal of Gerontology
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