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STUDIES ON APOPTOSIS OF K562 CELLS INDUCED B Y TETRANDRINE
Author(s): 
Pages: 530-533
Year: Issue:  5
Journal: ACTA ANATOMICA SINICA

Keyword:  粉防己碱K562细胞系凋亡;
Abstract: 目的探讨粉防己碱诱导人红白血病细胞(K562)凋亡的作用. 方法采用光镜、电镜、免疫荧光观察K 562细胞形态的改变,以流式细胞仪分析细胞周期,以ABC法检测细胞中Bcl-2和p53 蛋白的改变,以TUNEL法检测细胞凋亡. 结果 K562细胞经粉防己碱诱导48 h后,出现细胞凋亡早期形态学改变;流式细胞仪显示细胞DNA合成受到抑制;ABC法检测出细胞中Bcl-2水平降低和p53 水平升高;TUNEL法原位检测揭示有DNA断裂.结论粉防己碱可抑制K562细胞的生长,其作用与浓度相关, 最终可导致细胞凋亡.
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