Reinvigorating exhausted HIV-specific T cells via PD-1-PD-1 ligand blockade.

Reinvigorating exhausted HIV-specific T cells via PD-1-PD-1 ligand blockade.
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通过PD-1-PD-1配体阻滞来振兴耗尽的HIV特异性T细胞。

DOI:
10.1084/jem.20061800
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发表时间:
2006-10-02
影响因子:
15.3
通讯作者:
Sharpe, Arlene H.
Sharpe, Arlene H.
中科院分区:
医学1区
文献类型:
--
作者:
Freeman, Gordon J.;Wherry, E. John;Ahmed, Rafi;Sharpe, Arlene H.

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程序性死亡(PD)-1-PD-1配体(PD-L)通路是B7-CD 28家族的一部分,由PD-1受体及其两种配体PD-L1和PD-L2组成。PD-1与其配体的结合抑制免疫应答,最近的工作表明,在小鼠慢性淋巴细胞性脉络丛脑膜炎病毒(LCMV)感染期间,PD-1在耗尽的T细胞上高度表达。阻断这一途径可以使耗尽的T细胞恢复活力,使它们能够扩增并产生效应细胞因子,这就提出了一个问题,即在慢性感染期间,这一途径是否已被各种病毒利用。新的研究现在将这些观察扩展到艾滋病毒感染和人类疾病。
The programmed death (PD)-1–PD-1 ligand (PD-L) pathway, which is part of the B7–CD28 family, consists of the PD-1 receptor and its two ligands PD-L1 and PD-L2. Engagement of PD-1 by its ligands inhibits immune responses, and recent work has shown that PD-1 is highly expressed on exhausted T cells during chronic lymphocytic choriomeningitis virus (LCMV) infection in mice. Blockade of this pathway reinvigorates the exhausted T cells, allowing them to expand and produce effector cytokines, raising the issue of whether this pathway has been exploited by a variety of viruses during chronic infection. New studies now extend these observations to HIV infection and human disease.
DOI: 10.1038/85330
发表时间: 2001-03-01
期刊: NATURE IMMUNOLOGY
影响因子: 30.5
作者:
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