Expression of hepatocyte growth factor receptor in fibroblasts induced by high glucose

2002 
目的体外观察高糖刺激成纤维细胞时,肝细胞生长因子(HGF)受体c-met的表达及HGF/c-met系统的活性.方法高糖刺激细胞后,采用RT-PCR方法分析HGF、c-met mRNA水平.Western印迹分析c-met蛋白质.同时检测外源加入HGF对TGF-β、c-met表达影响,以及采用抗c-met抗体处理后的表达.结果高糖刺激早期HGF、c-met mRNA快速上升.另外,c-met mRNA、蛋白水平明显上调.HGF可以诱导c-met表达,同时降低TGF-β表达.结论c-met局部上调在糖尿病肾脏损伤过程中起重要作用.
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