蟾蜍毒素粗提物对白血病K562细胞的杀伤作用

被引:16
作者
卢香兰
许崇安
王萍萍
金波
刘云鹏
孙颖
朱志图
机构
[1] 中国医科大学附属第一医院血液科
[2] 沈阳市红十字会医院血液科
[3] 锦州市中心医院血液科 辽宁沈阳
[4] 辽宁沈阳
关键词
白血病; 蟾蜍毒素; 细胞周期;
D O I
暂无
中图分类号
R733.71 [急性白血病];
学科分类号
100214 ;
摘要
目的:观察蟾蜍毒素提取物对白血病K562细胞杀伤作用及对细胞周期的影响。方法:用无水乙醇、二甲基亚砜(DMSO)、PBS缓冲液浸溶中华大蟾蜍的耳后腺及皮下腺分泌物,采用台盼蓝拒染法检测细胞增殖抑制作用,流式细胞仪检测对细胞周期的影响。结果:3种浸液均能抑制K562细胞的增殖,其抑制强度依次为乙醇浸液>DMSO浸液>PBS浸液。5 ng/ml的乙醇浸液、50 ng/ml的DMSO浸液、500 ng/ml的PBS浸液均能使K562细胞发生G2/M期阻滞。结论:蟾蜍毒素粗提物对白血病K562细胞增殖具有明显的抑制作用,并伴有G2/M期阻滞。
引用
收藏
页码:23 / 24
页数:2
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