ABT737通过延迟宫颈癌细胞放射后DNA损伤修复及诱导凋亡而增敏放疗
【目的】 探讨类似BH-3的小分子物质ABT737诱导增敏放疗的作用及其分子机制?【方法】噻唑蓝法(MTT)检测不同浓度ABT737对HeLa细胞的生长抑制作用;细胞克隆形成实验检测ABT737联合放疗对放疗的增敏作用;免疫荧光法检测γ-H2AX观察DNA损伤修复情况;流式细胞术检测细胞凋亡;免疫印迹法检测Caspase-3?PARP的表达观察凋亡?【结果】与对照组相比,ABT737能显著抑制宫颈癌HeLa细胞的增殖(P < 0.05),并呈浓度依赖性,其IC50为15.7 μmol/L?体外培养克隆形成实验结果显示放疗+ABT737不同用药时间组的DEF值均大于1,放疗+8 μmol/...
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Format: | Article |
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Language: | zho |
Published: |
Editorial Office of Journal of Sun Yat-sen University
2013-01-01
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Series: | Zhongshan Daxue xuebao. Yixue kexue ban |
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Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/43575218/ |
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