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磷酸腺苷活性激酶/环氧化酶-2在槲皮素抑制K562白血病细胞增殖中的作用 被引量:1

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摘要 目的观察对槲皮素人慢性粒细胞白血病细胞株K562增殖的影响。方法不同浓度槲皮素孵育K562细胞48小时后用CCK-8法检测细胞存活率;Western-blot法检测槲皮素孵育K562 p-AMPK(磷酸腺苷活性激酶)和Cox-2(环氧化酶-2)蛋白表达水平。结果槲皮素抑制K562细胞的增殖,呈时间和浓度依赖性。槲皮素孵育48h后K562细胞的IC50值是83.11μm;随着槲皮素浓度的增加,K562细胞Cox-2蛋白水平表达下降,而p-AMPK蛋白表达水平上升。结论槲皮素呈浓度依赖性抑制HL-60细胞的增殖,可能通过激活AMPK抑制Cox-2进而抑制K562细胞增殖。
出处 《黑龙江医学》 2017年第4期297-298,共2页 Heilongjiang Medical Journal
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