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Study on the Expression of Telomerase Activity in Leukemia Cells

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Author:
No author available
Journal Title:
JOURNAL OF LEUKEMIA & LYMPHOMA
Issue:
5
DOI:
10.3760/cma.j.issn.1009-9921.2002.05.014
Key Word:
急性白血病;慢性粒细胞白血病;端粒酶;预后

Abstract: 目的:研究白血病细胞端粒酶活性表达及其意义。方法:采用PCR-ELISA半定量方法测定端粒酶活性。结果:68.6%(59/86)急性白血病(AL)患者和80%(12/15)慢性粒细胞白血病急性变(CML-BP)患者表达高端粒酶活性;而慢性粒细胞白血病慢性期(CML-CP)患者,无一例表达高端粒酶活性。急性淋巴细胞白血病患者端粒酶活性高于急性髓性白血病患者,CML-BP端粒酶活性高于CML-CP,而CML-CP端粒酶活性则低于正常对照组。AL端粒酶活性水平与患者的性别、年龄无关,也与治疗后缓解率无关。结论:激活或上调端粒酶活性在大多数AL发生和慢性粒细胞白血病急性变过程中起着重要作用;端粒酶活性测定可鉴别CML-BP与CML-CP;端粒酶可能是一潜在的治疗白血病的新靶点。

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