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白藜芦醇调节C57BL/KSJ-db/db糖尿病小鼠糖脂代谢的作用与机制 被引量:3

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摘要 目的研究白藜芦醇对C57BL/KSJ-db/db(db/db)糖尿病小鼠糖脂代谢的作用与机制。方法随机将db/db糖尿病小鼠分为模型组、白藜芦醇组(200 mg/kg)和吡格列酮组(5 mg/kg),每组8只,给予相应的药物治疗8周。实验结束后比较各组空腹血糖、糖化血清蛋白、糖化血红蛋白、血清总胆固醇、甘油三脂等糖脂代谢指标,比较各组血清胰岛素浓度及胰岛素抵抗指数、胰岛素敏感指数、超氧化物歧化酶活性、丙二醛含量等指标的变化。采用Real-time PCR技术和Western blot检查肝脏组织中低密度脂蛋白受体基因和蛋白的表达。结果与模型组比较,白藜芦醇组能显著降低小鼠空腹血糖、糖化血清蛋白、糖化血红蛋白、血清总胆固醇、甘油三脂等指标的升高(P<0.05),明显改善血清胰岛素水平及胰岛素抵抗指数、胰岛素敏感指数,超氧化物歧化酶活性、丙二醛等指标的异常(P<0.05);显著提高肝脏中肝糖原含量和低密度脂蛋白受体的表达(P<0.05)。结论白藜芦醇具有明显改善糖脂代谢紊乱的作用,其作用机制与其改善胰岛素抵抗、提高抗氧化应激能力以及增加低密度脂蛋白受体的表达等密切相关。
作者 吕秀萍
出处 《南方医科大学学报》 CAS CSCD 北大核心 2014年第9期1392-1394,F0003,共4页 Journal of Southern Medical University
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参考文献19

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共引文献2177

同被引文献46

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