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LOX-1在ox-LDL诱导人肾小球系膜细胞表达TGF-β1中的作用 被引量:4

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摘要 为探讨血凝素样氧化低密度氧化脂蛋白受体(LOX-1)在氧化低密度脂蛋白(ox-LDL)诱导人肾小球系膜细胞(HGMCs)表达TGF-β1中的作用,在体外培养人肾小球系膜细胞,在不同的时间加入不同浓度的ox-LDL及LOX-1阻滞性抗体JTX92,以酶联免疫吸附法(ELISA)检测细胞培养液中转化生长因子(TGF-β1)浓度,用半定量RT-PCR检测细胞LOX-1和TGF-β1mRNA表达,用Western印迹检测细胞LOX-1和TGF-β1蛋白合成。结果表明,ox-LDL以时间和浓度依赖的方式增加LOX-1表达的同时,也以时间和浓度依赖的方式增加细胞内TGF-β1mRNA表达、蛋白合成及培养液中TGF-β1的含量;JTX92(10μg/ml)可以明显抑制LOX-1和TGF-β1的表达(两者P<0·01)。结论:ox-LDL通过激活LOX-1调节HGMCs TGF-β1基因表达、蛋白的合成与分泌。
出处 《沈阳部队医药》 2006年第3期160-164,172,共6页
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