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[Effect of silencing STAT3 gene with siRNA on HepG2 and SMMC-7721 hepatocarcinoma cell lines].

Jin-Ying Guo, Wen Yang-an, Xixin Jiang, Jinbo Liu, Yanliang Zhang, Zhiguang Tu

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Abstract

肝细胞癌是常见的危害人类健康的恶性肿瘤之一,其发生、发展过程受诸多因素的影响.近年研究发现,信号转导和转录激活因子(STAT)具有强烈的抑制细胞凋亡,促进细胞增殖的作用,参与了人类恶性肿瘤的发生、发展和演变,其中以STAT3尤为活跃.本研究利用RNA干扰(RNAi)技术,用短发夹样RNA(shRNA)设计并构建RNAi-DNA质粒,筛选稳定表达小干扰RNA(siRNA)的肝癌HepG2及SMMC-7721细胞株,体外研究siRNA稳定和特异性诱导肝癌STAT3基因转录后沉默并逆转其恶性表型的能力,从而探索肝癌治疗的新方法。

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肝细胞癌是常见的危害人类健康的恶性肿瘤之一,其发生、发展过程受诸多因素的影响.近年研究发现,信号转导和转录激活因子(STAT)具有强烈的抑制细胞凋亡,促进细胞增殖的作用,参与了人类恶性肿瘤的发生、发展和演变,其中以STAT3尤为活跃.本研究利用RNA干扰(RNAi)技术,用短发夹样RNA(shRNA)设计并构建RNAi-DNA质粒,筛选稳定表达小干扰RNA(siRNA)的肝癌HepG2及SMMC-7721细胞株,体外研究siRNA稳定和特异性诱导肝癌STAT3基因转录后沉默并逆转其恶性表型的能力,从而探索肝癌治疗的新方法。

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Available abstract

肝细胞癌是常见的危害人类健康的恶性肿瘤之一,其发生、发展过程受诸多因素的影响.近年研究发现,信号转导和转录激活因子(STAT)具有强烈的抑制细胞凋亡,促进细胞增殖的作用,参与了人类恶性肿瘤的发生、发展和演变,其中以STAT3尤为活跃.本研究利用RNA干扰(RNAi)技术,用短发夹样RNA(shRNA)设计并构建RNAi-DNA质粒,筛选稳定表达小干扰RNA(siRNA)的肝癌HepG2及SMMC-7721细胞株,体外研究siRNA稳定和特异性诱导肝癌STAT3基因转录后沉默并逆转其恶性表型的能力,从而探索肝癌治疗的新方法。

Key concepts: Gene silencing, Cancer research, Gene, Molecular biology, Cell, Chemistry, Cell biology, Biology

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[Effect of silencing STAT3 gene with siRNA on HepG2 and SMMC-7721 hepatocarcinoma cell lines]. — Research Paper | ScholarLens