HL┐60细胞端粒酶活性的调控因素
端粒酶,,端粒酶;急性髓细胞白血病;HL-60细胞,0引言,1材料和方法,2结果,3讨论,参考文献
关键词: 端粒酶;急性髓细胞白血病;HL-60细胞摘 要:目的 探讨HL-60细胞端粒酶活性的调控因素. 方法 用脂质体介导法将LXSN-wt-p53逆转录病毒质粒导入人髓性白血病细胞系HL-60中,用c-myc,bcl-2基因反义脱氧寡核苷酸作用HL-60细胞,用全反式维甲酸(ATRA)诱导HL-60细胞分化后,采用TRAP-ELISA-PAGE法测定端粒酶活性,观察野生型p53基因、c-myc,bcl-2,全反式维甲酸(A-TRA)对HL-60细胞端粒酶活性的影响. 结果 野生型p53基因不影响HL-60细胞的端粒酶活性;bcl-2及c-myc反义寡核苷酸可下调HL-60细胞的端粒酶活性;ATRA在诱导HL-60细胞分化的同时,可使HL-60细胞的端粒酶活性降低. 结论 HL-60细胞端粒酶活性受到c-myc,bcl-2,全反式维甲酸(A-TRA)的调节.
Regulation factors of telomerase in HL┐60cells
LIU Li ,SUN Bing-Zhong ,LIANG Ying-Min ,HAO Miao-Wang ,DENG Zhong-Rong ,ZHANG Chuan-Shan ,YAN Yian ,ZHANG Fang-Xin
1 Department of Heamatology,Tangdu Hospital,Fourth Military Medical University,Xi'an710038,China,2 Department of Heamatology,Xijing Hospi-tal,3 Department of Pathology,4 Department of Mi-crobiology,Faculty of Preclinical Medicine,Fourth Millitary Medical University,5 Department of Gas-troenterology,General Hospital of Lanzhou Milli-tary Region
Keywords:telomerase;acute myelogenous leukemia;HL-60cells
Abstract:AIM To study the regulation factors of telom-erase in HL-60cells.METHODS By using lipofectin-medi-ated DNA transfection ......
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