The human interferon‐γ gene contains an inducible promoter that can be transactivated by tax I and II

The human interferon‐γ gene contains an inducible promoter that can be transactivated by tax I and II
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人干扰素-γ基因含有可被tax I和II反式激活的诱导型启动子

DOI:
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发表时间:
1991
影响因子:
5.4
通讯作者:
D. Diamond
D. Diamond
中科院分区:
医学3区
文献类型:
--
作者:
D. Brown;Forrest B. Nelson;E. Reinherz;D. Diamond

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被HTLV(人类T细胞白血病病毒)-I和-II逆转录病毒感染的T细胞通常表达淋巴因子干扰素-γ(IFN-γ)。我们通过将这些人逆转录病毒的反式激活因子基因与连接到异源报告基因的人IFN-γ基因的5′侧翼序列一起连接来寻求对这种现象的分子解释。在植物血凝素或抗T细胞受体单克隆抗体和佛波醇12-肉豆蔻酸酯13-乙酸酯存在下,IFN-γ启动子在人T细胞中被激活,这可以通过共转染tax I或II基因进一步增强。利用Bal-31缺失分析,我们发现有丝分裂原的诱导作用可以定位在转录起始位点5′端-284到260(bp)之间的区域,该区域可以与更上游的序列分离,这些序列通过tax I或II传递协同反式激活作用。
T cells infected with the HTLV (human T cell leukemia virus)‐I and ‐II retroviruses often express the lymphokine interferon‐γ (IFN‐γ). We sought the molecular explanation for this phenomena by co‐transfecting the transactivator genes of these human retroviruses together with 5′ flanking sequences of the human IFN‐γ gene linked to a heterologous reporter gene. In the presence of phytohemagglutinin or anti‐T cell receptor monoclonal antibodies and phorbol 12‐myristate 13‐acetate, the IFN‐γ promoter is activated in human T cells, which can be further enhanced by co‐transfection of the tax I or II genes. Using Bal‐31 deletion analysis, we have found that induction by mitogens can be mapped to a region between −284 to −260 (bp) 5′ of the transcriptional start site, which is separable from the sequence(s) further upstream which transmit the synergistic transactivation by tax I or II.
HTLV-II 的反式激活基因诱导 IL-2 受体和 IL-2 细胞基因表达。
DOI: 10.1126/science.3010456
发表时间: 1986
期刊: Science (New York, N.Y.)
影响因子: --
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Greene,WC;Leonard,WJ;Wano,Y;Svetlik,PB;Peffer,NJ;Sodroski,JG;Rosen,CA;Goh,WC;Haseltine,WA
通讯作者: Haseltine,WA
DOI: 10.1073/pnas.82.23.8173
发表时间: 1985
影响因子: 11.1
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Hardy,KJ;Peterlin,BM;Atchison,RE;Stobo,JD
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通过激活 CD 2 (T11) 途径,在人胸腺细胞中诱导淋巴因子合成。
DOI: --
发表时间: 1987
期刊: Journal of immunology (Baltimore, Md. : 1950)
影响因子: --
作者:
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通讯作者: Reinherz,EL
DOI: 10.4049/jimmunol.133.1.123
发表时间: 1984-07
影响因子: 4.4
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T3 表面分子在人类 T 细胞激活中的作用:T3 依赖性激活导致细胞质游离钙增加。
DOI: 10.1073/pnas.81.13.4169
发表时间: 1984
影响因子: 11.1
作者:
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