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THE MECHANISM OF APOPTOSIS INDUCED BY ORINDONIN IN K562 CELLS

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Author:
No author available
Journal Title:
CANCER RESEARCH AND CLINIC
Issue:
4
DOI:
10.3760/cma.j.issn.1006-9801.2003.04.002
Key Word:
冬凌草甲素;端粒酶;细胞凋亡

Abstract: 目的:研究冬凌草甲素诱导白血病K562细胞凋亡的机制.方法:以不同浓度的冬凌草甲素作用于体外培养的K562细胞,检测细胞生长抑制率,观察细胞凋亡时的形态学变化,对细胞凋亡前后的端粒酶活性进行检测.结果:冬凌草甲素可显著降低K562细胞的端粒酶活性,抑制细胞的生长,诱导细胞发生凋亡.并呈现出明显的量-效与时-效关系.结论:冬凌草甲素能抑制K562细胞的生长并诱导细胞发生凋亡,降低细胞端粒酶活性可能是其重要作用机制之一.

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