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首页> 外文期刊>Anticancer Research: International Journal of Cancer Research and Treatment >Quercetin-3-O-glucoside induces human DNA topoisomerase II inhibition, cell cycle arrest and apoptosis in hepatocellular carcinoma cells.
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Quercetin-3-O-glucoside induces human DNA topoisomerase II inhibition, cell cycle arrest and apoptosis in hepatocellular carcinoma cells.

机译:槲皮素-3-O-葡糖苷诱导人DNA拓扑异构酶II抑制,细胞周期停滞和肝细胞癌细胞凋亡。

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摘要

Q3G treatment inhibited cell proliferation in a dose- and time-dependent manner in HepG2 cells with the blockade of the cell cycle in the S-phase. Additionally, Q3G exhibited a strong ability to inhibit DNA topoisomerase II. Furthermore, DNA fragmentation and fluorescence microscopy analysis suggested that Q3G induced apoptosis in HepG2 cells with the activation of caspase-3. Interestingly, Q3G exhibited significantly lower toxicity to normal cells (primary human and rat hepatocytes and primary lung cells) than sorafenib (p<0.05), a chemotherapy drug for hepatocellular carcinoma. The results suggest that Q3G is a potential antitumor agent against liver cancer with a possible mechanism of action via cell-cycle arrest and apoptosis. Further research should be performed to confirm these results in vivo.
机译:Q3G治疗在HepG2细胞中以剂量和时间依赖性的方式抑制细胞增殖,在S相中阻断细胞周期。 此外,Q3G表现出强烈的抑制DNA拓扑异构酶II的能力。 此外,DNA碎裂和荧光显微镜分析表明,随着Caspase-3的激活,Q3G诱导HepG2细胞的细胞凋亡。 有趣的是,Q3G对正常细胞(初级人和大鼠肝细胞和原发性肺细胞)的毒性显着低于Sorafenib(P <0.05),用于肝细胞癌的化疗药物。 结果表明,Q3G是通过细胞周期停滞和细胞凋亡的可能作用机制的潜在抗肿瘤剂。 应进行进一步的研究以确认这些结果在体内。

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