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首页> 外文期刊>International journal of molecular medicine >Inhibition of glypican-3 expression via RNA interference influences the growth and invasive ability of the MHCC97-H human hepatocellular carcinoma cell line
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Inhibition of glypican-3 expression via RNA interference influences the growth and invasive ability of the MHCC97-H human hepatocellular carcinoma cell line

机译:通过RNA干扰抑制glypican-3表达会影响MHCC97-H人肝癌细胞系的生长和侵袭能力

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摘要

Glypican-3 (GPC3), a membrane-bound heparan sulfate proteoglycan, is found to be overexpressed in hepatocellular carcinoma (HCC). The purpose of the present study was to investigate the possible role of GPC3 in the development of HCC. In this study, RNA interference (RNAi) with a GPC3 small hairpin RNA (GPC3 shRNA) was used to identify the effects of GPC3 on the regulation of malignant behaviors of HCC. MHCC97-H, a highly metastatic human HCC cell line in which GPC3 mRNA and protein levels were detected as the highest among the 4 HCC cell lines assessed in this study, and was thus selected as a cell model for in vitro and in?vivo experiments. The results showed that down-regulation of GPC3 can significantly inhibit the proliferative and invasive ability of MHCC97-H. Compared with the parental HCC cells, GPC3-silenced cells exhibited attenuated capacities in developing tumors in nude mice, while the growth of tumor xenografts derived from these cells dramatically regressed. In conclusion, our results suggest that GPC3 contributes to the proliferation and metastasis of HCC and that it may be a potential molecular target for HCC treatment.
机译:发现膜结合硫酸乙酰肝素蛋白聚糖Glypican-3(GPC3)在肝细胞癌(HCC)中过表达。本研究的目的是研究GPC3在肝癌发生中的可能作用。在这项研究中,使用具有GPC3小发夹RNA(GPC3 s​​hRNA)的RNA干扰(RNAi)来鉴定GPC3对HCC恶性行为的调节作用。 MHCC97-H,一种高度转移性的人类HCC细胞系,在该研究评估的4种HCC细胞系中,其GPC3 mRNA和蛋白质水平被检测为最高,因此被选作体外和体内实验的细胞模型。结果表明,GPC3的下调可以显着抑制MHCC97-H的增殖和侵袭能力。与亲代肝癌细胞相比,GPC3沉默的细胞在裸鼠的肿瘤形成过程中显示出减弱的能力,而源自这些细胞的异种移植瘤的生长则显着退化。总之,我们的结果表明,GPC3有助于肝癌的增殖和转移,并且它可能是肝癌治疗的潜在分子靶标。

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