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Protective effect of hepatocyte growth factor on hepatocyte poisoning by carbon tetrachloride and related gene expression in rats

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Author:: No author available

Journal Title:: ACTA PHYSIOLOGICA SINICA

Issue:: 1

DOI:: 10.3321/j.issn:0371-0874.2000.01.013

Key Word:: 重组人肝细胞生长因子;表皮生长因子;c-met基因;四氯化碳;肝细胞原代培养

Abstract：利用无血清原代培养大鼠肝细胞,观察重组人肝细胞生长因子(rhHGF)对CCl4染毒肝细胞的保护作用. 结果表明: (1) rhHGF (5 ng/ml)预处理后可显著提高CCl4 (15 mmol/L)染毒肝细胞存活率,降低细胞内丙氨酸氨基转移酶(ALT)、 K+的漏出;(2) 表皮生长因子(EGF,50ng/ml)和rhHGF (5 ng/ml)合用预处理肝细胞,CCl4染毒后细胞内ALT、 K+漏出较rhHGF和EGF单独保护组进一步降低;(3)大鼠肝部分切除和CCl4 (50%,2.5 ml/kg bw)染毒后,再生肝内HGF基因及其受体基因/c-met的表达分别较假手术和盐水对照组显著升高. 结果提示,rhHGF对CCl4染毒大鼠肝细胞具有保护作用;EGF和rhHGF有协同保护作用;HGF及其受体的表达在肝脏再生及修复中可能有重要作用.

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