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Increased cellular proliferation in BEL-7402 hepatoma cells transfected by human hepatic stimulator substance gene

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Author:
No author available
Journal Title:
ACTA PHYSIOLOGICA SINICA
Issue:
6
DOI:
10.3321/j.issn:0371-0874.2001.06.014
Key Word:
肝刺激物质;基因转染;肝癌细胞增殖

Abstract: 本文通过研究转染人肝刺激物质(hepatic stimulator substance, HSS)的肝癌细胞增殖状态, 进一步探讨了该基因的生物学功能.将人HSS基因导入BEL-7402肝癌细胞, 用Northern 和Southern杂交法证实该基因在靶细胞中有稳定表达.并通过测定细胞生长曲线、细胞S期比例和细胞MAPK活性, 观察到转HSS基因BEL-7402细胞增殖发生了改变.实验结果提示, HSS表达的肝癌细胞DNA合成增加、增殖速度加快, 可能与MAPK激活有关.HSS基因表达可促进细胞增殖.

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