2004Zhonghua shiyan yanke zazhiRequires access

Expression of TGF-β1 gene in lens epithelial cells of rat with galactose-induced cataract

马卫列, 欧钢卫, 葛正龙, 蔡善君, 曾小平

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Abstract

目的 研究转化生长因子-β1(TGF-β1)基因在大鼠白内障发生过程中的表达.方法给3周龄大鼠单眼球后注射20%半乳糖生理盐水诱导白内障的发生,运用RT-PCR方法测定在不同时相大鼠晶状体中TGF-β1基因的表达.结果半乳糖注射后晶状体上皮细胞TGF-β1mRNA于8h开始上升,24h达高峰,是正常对照的4倍,2d后迅速下降,4d完全恢复到正常水平.结论在白内障形成的早期,晶状体细胞中TGF-β1呈高表达,提示TGF-β1基因可能在半乳糖性白内障的发生过程中起重要作用。

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目的 研究转化生长因子-β1(TGF-β1)基因在大鼠白内障发生过程中的表达.方法给3周龄大鼠单眼球后注射20%半乳糖生理盐水诱导白内障的发生,运用RT-PCR方法测定在不同时相大鼠晶状体中TGF-β1基因的表达.结果半乳糖注射后晶状体上皮细胞TGF-β1mRNA于8h开始上升,24h达高峰,是正常对照的4倍,2d后迅速下降,4d完全恢复到正常水平.结论在白内障形成的早期,晶状体细胞中TGF-β1呈高表达,提示TGF-β1基因可能在半乳糖性白内障的发生过程中起重要作用。

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Available abstract

目的 研究转化生长因子-β1(TGF-β1)基因在大鼠白内障发生过程中的表达.方法给3周龄大鼠单眼球后注射20%半乳糖生理盐水诱导白内障的发生,运用RT-PCR方法测定在不同时相大鼠晶状体中TGF-β1基因的表达.结果半乳糖注射后晶状体上皮细胞TGF-β1mRNA于8h开始上升,24h达高峰,是正常对照的4倍,2d后迅速下降,4d完全恢复到正常水平.结论在白内障形成的早期,晶状体细胞中TGF-β1呈高表达,提示TGF-β1基因可能在半乳糖性白内障的发生过程中起重要作用。

Key concepts: Lens (geology), Galactose, Chemistry, Molecular biology, Gene, Transforming growth factor, Cell biology, Gene expression

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