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齐墩果酸对顺铂耐药胃癌SGC-7901细胞增殖及细胞凋亡的影响 被引量:3

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摘要 目的探讨齐墩果酸(OA)对顺铂耐药胃癌SGC-7901(SGC-7901/CDDP)细胞增殖及细胞凋亡的影响。方法体外诱导建立人胃癌顺铂耐药细胞株SGC-7901/CDDP,MTT比色法检测OA对SGC-7901/CDDP细胞增殖的抑制作用;琼脂糖凝胶电泳检测基因组DNA的降解;蛋白质免疫印迹检测凋亡相关蛋白酶的激活。结果MTT实验证明OA对SGC-7901/CDDP细胞的生长有抑制作用,100μmol/LOA作用72h对SGC-7901/CDDP细胞的抑制率达62%,并表现为时间和剂量依赖性;琼脂糖凝胶电泳实验证明100μmol/L的OA处理SGC-7901/CDDP细胞48h后基因组DNA被降解,可见较典型的DNA梯形带;蛋白质免疫印迹分析表明,100μmol/L的OA处理SGC-7901/CDDP细胞48h后,细胞内凋亡相关的蛋白酶caspase-3被激活。结论OA在体外能够诱导SGC-7901/CDDP细胞凋亡,诱导凋亡的途径可能是线粒体途径。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2010年第5期667-669,共3页 Chinese Journal of Gerontology
基金 黑龙江省教育厅资助项目(11531439)
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参考文献12

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