槲皮素诱导耐甲氨蝶呤骨肉瘤细胞系U2-OS/MTX300凋亡
【目的】 研究槲皮素对耐甲氨蝶呤骨肉瘤细胞株U2-OS/MTX300的增殖抑制和诱导凋亡作用及相关机制【方法】 以不同浓度槲皮素及甲氨蝶呤处理U2-OS及U2-OS/MTX300采用四甲基偶氮唑蓝(MTT)法及平板克隆检测细胞增殖,流式细胞仪检测细胞周期,Hochest 33258 染色及流式细胞仪检测凋亡,Western blot法检测凋亡相关蛋白cleaved-PARP,Bax,Bak,Bcl-2及Bcl-XL表达【结果】 槲皮素可明显抑制耐甲氨蝶呤骨肉瘤细胞U2-OS/MTX300的增殖,72 h IC50值为(22 ± 4)μmol/L102550μmol/L可显著抑制U2-OS/MT...
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Format: | Article |
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Language: | zho |
Published: |
Editorial Office of Journal of Sun Yat-sen University
2011-01-01
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Series: | Zhongshan Daxue xuebao. Yixue kexue ban |
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Online Access: | http://xuebaoyx.sysu.edu.cn/zh/article/43576631/ |
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