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Activation of Gene Expression of the O~6-Methylguanine-DNA- Transferase Repair Enzyme upon the Influence of EMAPII Cytokine in Human Cells In Vitro

机译:EMAPII细胞因子对人细胞中O〜6-甲基鸟嘌呤-DNA-转移酶修复酶基因表达的激活

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摘要

The aim of the study is to evaluate the effect of recombinant EMAP II cytokine (endothelial and monocyte-activating polypeptide II) on the level of MGMTgene expression; this gene encodes the O6-meth-ylguanine-DNA-methyltransferase (MGMT) repair enzyme in the cell culture of humans. An investigation into the EMAP II effect on the proliferation of cells was carried out using the standard MTT test. The MGMT protein in a cell extract was identified by Western blot analysis. The following cell lines were investigated: A102 (fibroblasts), CB-1 (umbilical cord blood stromal cells), and 4BL6 (cells obtained from peripheral blood). It was shown in these experiments that the EMAP II cytokine induces MGMT expression in human cells of the investigated lines. There was observed a decrease in the quantity of cells in the presence of a high concentration of this cytokine. The level of expression of the MGMT repair enzyme was established to increase in human cells in vitro in a serum-free culture medium with the EMAP II cytokine.
机译:该研究的目的是评估重组EMAP II细胞因子(内皮细胞和单核细胞活化多肽II)对MGMTgene表达水平的影响。该基因编码人类细胞培养物中的O6-甲基-鸟嘌呤-DNA-甲基转移酶(MGMT)修复酶。使用标准MTT测试对EMAP II对细胞增殖的影响进行了研究。通过蛋白质印迹分析鉴定细胞提取物中的MGMT蛋白。研究了以下细胞系:A102(成纤维细胞),CB-1(脐带血基质细胞)和4BL6(从外周血获得的细胞)。在这些实验中表明,EMAP II细胞因子在所研究细胞系的人细胞中诱导MGMT表达。在高浓度的这种细胞因子存在下,观察到细胞数量减少。建立了MGMT修复酶的表达水平,以在具有EMAP II细胞因子的无血清培养基中体外在人细胞中增加。

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  • 来源
    《Cytology and genetics》 |2011年第6期|p.373-378|共6页
  • 作者单位

    Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, Kiev;

    Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, Kiev;

    Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, Kiev;

    Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, Kiev,Shevchenko National University, Kiev;

    Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, Kiev;

    Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, Kiev;

    Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, Kiev;

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