Increased turnover of CCR5+ and redistribution of CCR5- CD4 T lymphocytes during primary human immunodeficiency virus type 1 infection.

Increased turnover of CCR5+ and redistribution of CCR5- CD4 T lymphocytes during primary human immunodeficiency virus type 1 infection.
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在原发性人类免疫缺陷病毒 1 型感染期间,CCR5 的周转增加和 CCR5-CD4 T 淋巴细胞的重新分配。

DOI:
10.1086/318827
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发表时间:
2001
期刊:
The Journal of infectious diseases
影响因子:
--
通讯作者:
D. Cooper
D. Cooper
中科院分区:
--
文献类型:
--
作者:
J. Zaunders;G. Kaufmann;P. Cunningham;D. Smith;P. Grey;K. Suzuki;A. Carr;L. Goh;D. Cooper

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CCR 5是人类免疫缺陷病毒(HIV)1型在原发感染期间的主要辅助受体。研究了原发性HIV-1感染(PHI)或急性EB病毒(EBV)感染受试者和未感染HIV的对照者的CCR 5 + CD 4 T淋巴细胞。在PHI期间,CD 4 T淋巴细胞的早期下降是由于CCR 5-CD 4 T淋巴细胞的耗竭。抗逆转录病毒治疗后,Ki-67-CCR 5-CD 4 T细胞计数在循环中迅速增加,这表明最初的减少是由于运输和/或隔离的改变。在CD 4 T细胞的CCR 5+亚群中,在PHI期间增殖(Ki-67+)部分升高,但它们的总数保持在正常范围内。相反,在急性EBV感染中,增殖的CCR 5 + CD 4 T细胞积累到非常高的水平,表明它们在早期抗病毒反应中具有重要作用,这可能在HIV-1感染中受损。
CCR5 is the major coreceptor for human immunodeficiency virus (HIV) type 1 during primary infection. CCR5+ CD4 T lymphocytes were studied in subjects with primary HIV-1 infection (PHI) or acute Epstein-Barr virus (EBV) infection and in HIV-uninfected controls. The early decline of CD4 T lymphocytes during PHI resulted from depletion of CCR5- CD4 T lymphocytes. After antiretroviral therapy, Ki-67- CCR5- CD4 T cell counts rapidly increased in the circulation, which suggests that the initial decrease was due to an alteration in trafficking and/or sequestration. In the CCR5+ subset of CD4 T cells, there was an elevation in the proliferative (Ki-67+) fraction during PHI, yet their total number remained in the normal range. In contrast, in acute EBV infection, proliferating CCR5+ CD4 T cells accumulated to very high levels, suggesting they have an important role in the early antiviral response, which may be impaired in HIV-1 infection.
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