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葡萄籽提取物对高糖诱导系膜细胞肥大的抑制作用

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摘要 目的探讨葡萄籽提取物(grape seed extract,GSE)对高糖诱导系膜细胞肥大的抑制作用。方法将常规培养的大鼠系膜细胞分为正常糖组、高糖组和高糖+GSE(1.0、5.0、10.0μmol/L)组。检测各组细胞总蛋白/细胞数比值,MTT法检测各组细胞增殖情况,流式细胞仪检测各组细胞周期变化,Western blot法检测各组细胞P21、P27蛋白表达。结果 (1)经高糖(30 mmol/L D-葡萄糖)处理48 h后,系膜细胞出现明显的细胞肥大变化,细胞总蛋白/细胞数比值增大,细胞增殖能力下降,G0/G1期细胞百分比增多,P21、P27蛋白质表达上调;(2)经GSE干预后,与高糖组比较,系膜细胞的细胞总蛋白/细胞数比值降低,细胞增殖能力增大,G0/G1期细胞百分比减少,P21、P27蛋白质表达下调(P<0.05)。结论 GSE能够通过抑制P21、P27的表达,抑制高糖诱导的系膜细胞肥大。
出处 《广东医学》 CAS CSCD 北大核心 2012年第18期2739-2742,共4页 Guangdong Medical Journal
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