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槲皮素对高糖诱导肾小球系膜细胞增殖及TGF-β1/Smads信号通路的影响

Chinese Journal of Basic Medicine in Traditional Chinese Medicine(2016)

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Abstract
目的:研究槲皮素在高糖环境下对大鼠肾小球系膜细胞增殖槲皮素对照组及TGF-β1表达的影响.方法:将体外培养的大鼠系膜细胞分为正常组、高耱组、槲皮素对照组及槲皮素低、中、高剂量组6组,MTT法检测槲皮素对肾小球系膜细胞增殖的影响,Western-blot法检测肾小球系膜细胞TGF-β1、P-Smad2、FN的表达.结果:槲皮素能够显著抑制高糖诱导的肾小球系膜细胞增殖及TGF-β1、P-Smad2、FN表达.结论:槲皮素可通过降低TGF-β1水平抑制高糖诱导的肾小球系膜细胞增殖,并通过抑制Smad2磷酸化部分影响TGF-β1/Smads信号通路的激活,降低FN的表达,对肾脏起到保护作用.
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Key words
Quercetin,Mesangial cell,Transforming growth factor-β1,Fibronectin
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