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端粒酶在急性白血病细胞中的表达

Telomerase Activity Expressed in Acute Leukemia Cell
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摘要 To explore the possible linkage between telomerase and acute leukemia, we detected telomerase activity expressed in 3 leukemia cell lines, 22 acute leukemia bone marrow and 6 normal bone marrow with PCR ELISA assay. Results showed that telomerase activities of three leukemia cell lines were positive with the average (1.57±0.056) U, normal bone marrow samples average was (0.085±0.081) U, telomerase value from 22 acute leukemia patients was (0.512±0.294) U. Telomerase activity is higher expressed in acute leukemia than normal samples and decreased significantly after chemotherapy(P<0.01). The results suggested that telomerase activity was related to some malignant diseases and might be used as a marker for tumor diagnosis and therapy. To explore the possible linkage between telomerase and acute leukemia, we detected telomerase activity expressed in 3 leukemia cell lines, 22 acute leukemia bone marrow and 6 normal bone marrow with PCR ELISA assay. Results showed that telomerase activities of three leukemia cell lines were positive with the average (1.57±0.056) U, normal bone marrow samples average was (0.085±0.081) U, telomerase value from 22 acute leukemia patients was (0.512±0.294) U. Telomerase activity is higher expressed in acute leukemia than normal samples and decreased significantly after chemotherapy(P<0.01). The results suggested that telomerase activity was related to some malignant diseases and might be used as a marker for tumor diagnosis and therapy.
出处 《中国实验血液学杂志》 CAS CSCD 2001年第4期381-382,共2页 Journal of Experimental Hematology
基金 甘肃省自然科学基金资助项目 (IS981 A2 3 0 86 Y) 兰州军区卫生部科研计划项目 (LXH 98 0 2 )~~
关键词 端粒酶 急性白血病 白血病细胞系 telomerase acute leukemia leukemia cell line
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参考文献5

  • 1Tatematsu K, Nakayama J, Danbara M, et al. A novel quantitative′ stretch PCR assay′, that detects a dramatic increase in telomerase activity during the progression of myeloid leukemias. Oncogene, 1996; 13: 2265 - 2274
  • 2Ohyashiki JH, Ohyashiki K, Iwama H, et al. Clinical implications of telomerase activity levels in acute leukemia.Clin Cancer Res, 1997; 3:619- 625
  • 3Yamada O. Telomeres and telomerase in human hematologic neoplasia. Int J Hematol, 1996; 64:87- 99
  • 4Yeager TR, Neumann AA, Englezou A, et al. Telomerasenegative immortalized human cells contain a novel type of promyelocytic leukemia (PML) body. Cancer Res, 1999;59:4175 - 4179
  • 5Engelhardt M, Ozkaynak MF, Drullinsky P, et al. Telome- rase activity and telomere length in pediatric patients with malignancies undergoing chemotherapy. Leukemia,1998; 12:13-24

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