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高糖环境肾小管上皮细胞Smad1的表达

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Keywords: 高糖,肾小管上皮细胞,Smad1,糖尿病肾病

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Abstract:

目的模拟糖尿病条件,观察人肾小管上皮细胞(HK-2)生长情况和Smad1表达的变化,探讨高糖对肾小管上皮细胞的损伤机制。方法用DMEM/F12细胞液培养HK-2细胞,分为对照组,中糖组(12.5mmol/L葡萄糖),高糖组(25mmol/L葡萄糖),分别培养24h、48h、72h后倒置显微镜下观察HK-2的形态和数量变化,采用蛋白印迹技术检测Smad1的蛋白表达。结果高糖组刺激72h后,与对照组相比HK-2细胞数为(105.333±6.429)×105/mL,而对照组HK-2细胞数为(50.333±2.51)×105/mL,差异有统计学意义(P结论高糖能够诱导肾小管上皮细胞数量及形态发生改变,并且这一作用可能与Samd1表达增加有关。

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