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视黄酸逆转MCF-7/T细胞他莫昔芬耐药效果观察

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摘要 目的观察视黄酸逆转人乳腺癌对他莫昔芬(TAM)细胞株(MCF-7/T)TAM耐药的效果。方法用1μmol/L的TAM处理MCF-7/T 48 h(对照组)。观察组MCF-7/T在加入TAM前先用1μmol/L视黄酸预处理24 h,余处理同对照组。用MTT比色法检测各组细胞增殖抑制率,用流式细胞术测细胞周期、凋亡率及Bc l-2水平。结果观察组细胞增殖抑制率、G0/G1期细胞和细胞凋亡率明显高于对照组(P均<0.05);观察组Bc l-2相对表达量为(14.89±8.09),明显低于对照组的(46.50±7.42),P<0.05。结论视黄酸能逆转MCF-7/T细胞对TAM的耐药性。
机构地区 聊城市人民医院
出处 《山东医药》 CAS 北大核心 2010年第30期107-108,共2页 Shandong Medical Journal
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