CD4+ human immunodeficiency virus type 1 (HIV-1) envelope-specific cytotoxic T lymphocytes derived from the peripheral blood cells of an HIV-1-infected individual.

CD4+ human immunodeficiency virus type 1 (HIV-1) envelope-specific cytotoxic T lymphocytes derived from the peripheral blood cells of an HIV-1-infected individual.
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CD4 人类免疫缺陷病毒 1 型 (HIV-1) 包膜特异性细胞毒性 T 淋巴细胞,源自 HIV-1 感染者的外周血细胞。

DOI:
10.1089/aid.1993.9.61
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发表时间:
1993
影响因子:
1.5
通讯作者:
Walker,BD
Walker,BD
中科院分区:
医学4区
文献类型:
--
作者:
Curiel,TJ;Wong,JT;Gorczyca,PF;Schooley,RT;Walker,BD

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病毒特异性细胞毒性T淋巴细胞(CTL)通常具有CD 8+表面表型,尽管也已经描述了具有CD 4+表面表型的CTL。已发表的来自感染人类免疫缺陷病毒1型(HIV-1)的个体的外周血单核细胞(PBMC)的CTL的报道主要描述了CD 8+表面表型的细胞。然而,在HIV-1血清阴性供体的外周血细胞中,HIV-1血清阴性者接种HIV-1包膜蛋白后的外周血细胞中,以及HIV-1感染者的脑脊液细胞中,已经报道了用HIV-1包膜蛋白体外刺激后的CD 4 +HIV-1包膜特异性CTL。近年来,又有报道了CD 4 +HIV-1 gag特异性CTL。我们现在报告一个病人,我们从其中获得的HIV-1病毒特异性CTL细胞系的CD 4+表面表型。我们的细胞培养技术没有采用外源性病毒抗原刺激,因此可以产生更接近反映其来源的潜在群体中的细胞。这些CTL似乎没有明显的人类白细胞抗原(HLA)II类限制性模式,通常在CD 4表达细胞中看到的,并没有功能抑制抗CD 3抗体。需要进一步的工作来确定CD 4 +CTL在HIV-1疾病发病机制中的作用。
Virus-specific cytotoxic T lymphocytes (CTL) are frequently of the CD8+surface phenotype, although CTL of the CD4+surface phenotype have also been described. Published reports of CTL derived from peripheral blood mononuclear cells (PBMC) of individuals infected with human immunodeficiency virus type 1 (HIV-1) have described primarily cells of the CD8+surface phenotype. However, CD4+HIV-1 envelope-specific CTL have been reported after in vitro stimulation with HIV-1 envelope protein of peripheral blood cells obtained from HIV-1-seronegative donors, in peripheral blood cells after vaccination of HIV-1-seronegative persons with HIV-1 envelope proteins, and in cerebrospinal fluid cells of HIV-1-infected individuals. Recently, CD4+HIV-1 gag-specific CTL were also reported. We now report a patient from whom we derived HIV-1 envelope-specific CTL cell lines of the CD4+surface phenotype. Our cell culture technique did not employ exogenous viral antigenic stimulation, and may therefore yield cells that more closely reflect those in the underlying populations from which they were derived. These CTL did not appear to have the clear human leukocyte antigen (HLA) class II restriction pattern typically seen in CD4-expressing cells and were not functionally inhibited by anti-CD3 antibody. Further work will be required to define the role of CD4+CTL in the pathogenesis of HIV-1 disease.
用双特异性单克隆抗体繁殖的 CD4 和 CD8 肿瘤浸润淋巴细胞的表征。
DOI: --
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DOI: 10.1073/pnas.86.23.9514
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