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Biological characteristics of the human gastric cancer cell line transfected with Caspase-1 gene

薛绪潮, 方国恩, 钱其军, 闻兆章, 毕建威, 沈炎明

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Abstract

目的探讨转染Caspase-1基因对胃癌细胞生物学特性的影响.方法将人凋亡基因Caspase-1的重组逆转录病毒导入胃癌细胞株X-108,对转染阳性细胞的体外增殖、细胞培养液中CEA含量及裸鼠致瘤性进行分析.结果导入的Caspase-1基因使细胞增殖周期发生变化,G1期细胞数目增多,S期细胞数目减少.转染细胞培养液CEA含量有下降趋势.胃癌细胞株X-108- Caspase-1体外生长速度明显受抑,裸鼠体内致瘤性降低,肿瘤生长缓慢.结论 Caspase-1 不能促使X-108胃癌细胞凋亡,但可以使其增殖受抑,肿瘤细胞的恶性程度降低.

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目的探讨转染Caspase-1基因对胃癌细胞生物学特性的影响.方法将人凋亡基因Caspase-1的重组逆转录病毒导入胃癌细胞株X-108,对转染阳性细胞的体外增殖、细胞培养液中CEA含量及裸鼠致瘤性进行分析.结果导入的Caspase-1基因使细胞增殖周期发生变化,G1期细胞数目增多,S期细胞数目减少.转染细胞培养液CEA含量有下降趋势.胃癌细胞株X-108- Caspase-1体外生长速度明显受抑,裸鼠体内致瘤性降低,肿瘤生长缓慢.结论 Caspase-1 不能促使X-108胃癌细胞凋亡,但可以使其增殖受抑,肿瘤细胞的恶性程度降低.

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Available abstract

目的探讨转染Caspase-1基因对胃癌细胞生物学特性的影响.方法将人凋亡基因Caspase-1的重组逆转录病毒导入胃癌细胞株X-108,对转染阳性细胞的体外增殖、细胞培养液中CEA含量及裸鼠致瘤性进行分析.结果导入的Caspase-1基因使细胞增殖周期发生变化,G1期细胞数目增多,S期细胞数目减少.转染细胞培养液CEA含量有下降趋势.胃癌细胞株X-108- Caspase-1体外生长速度明显受抑,裸鼠体内致瘤性降低,肿瘤生长缓慢.结论 Caspase-1 不能促使X-108胃癌细胞凋亡,但可以使其增殖受抑,肿瘤细胞的恶性程度降低.

Key concepts: Transfection, Cancer, Cell culture, Gene, Apoptosis, Cancer research, Biology, Medicine

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