槲皮素对人早幼粒白血病细胞体外核转录活性影响

被引:3
作者
黄迪南
候敢
祝其峰
机构
[1] 广东医学院生化教研室!湛江
[2] 不详
关键词
槲皮素; 人早幼粒白血病细胞株; RNA聚合酶类; 细胞周期;
D O I
暂无
中图分类号
R733.7 [白血病];
学科分类号
摘要
分别用4,20,100μmol/L槲皮素处理培养的HL-60细胞2d,或用20μmol/L槲皮素处理0~4d.分离纯化细胞核进行体外核转录实验,测定总RNA聚合酶活性和RNA聚合酶Ⅱ活性。结果显示,格皮素处理HL-60细胞后,体外核转录活性降低,总RNA聚合酶活性尤其是RNA聚合酶Ⅱ活性受抑制,并呈时间和剂量依赖关系。推测树皮素抑制HL-60细胞RNA聚合酶活性,特别是抑制RNA聚合酶Ⅱ活性,可能是树皮素抑制HL-60细胞生长和增殖的作用机理之一。
引用
收藏
页码:19 / 20+23 +23
页数:3
相关论文
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