CD8(+)T-cell-mediated control of HIV-1 and SIV infection.

CD8(+)T-cell-mediated control of HIV-1 and SIV infection.
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CD8(+)T细胞介导的HIV-1和SIV感染的控制。

DOI:
10.1007/s12026-010-8177-7
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发表时间:
2011-04
影响因子:
4.4
通讯作者:
Tomaras GD
Tomaras GD
中科院分区:
医学4区
文献类型:
--
作者:
Freel SA;Saunders KO;Tomaras GD

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需要详细了解细胞对人类免疫缺陷病毒(HIV-1)感染的反应,以便为旨在控制艾滋病大流行的预防和治疗战略提供信息。细胞免疫应答在HIV-1感染和SIV感染的非人灵长类动物模型中降低病毒载量起关键作用。这种病毒抑制活性大部分归因于CD8+T细胞对受感染CD4+T细胞的定向细胞溶解。然而,新出现的证据表明,CD8+T细胞可以通过多种机制维持较低的病毒负荷。彻底了解HIV-1感染中与病毒控制相关的CD8+ t细胞功能,负责这些功能的人群,以及这些反应的激发和维持,可以为疫苗设计和潜在的新型抗逆转录病毒疗法的开发提供指导。在这篇综述中,我们讨论了CD8+ t细胞在HIV-1和SIV感染中的保护作用以及该领域的最新进展。
A detailed understanding of the cellular response to human immunodeficiency virus (HIV-1) infection is needed to inform prevention and therapeutic strategies that aim to contain the AIDS pandemic. The cellular immune response plays a critical role in reducing viral load in HIV-1 infection and in the nonhuman primate model of SIV infection. Much of this virus suppressive activity has been ascribed to CD8+T-cell-directed cytolysis of infected CD4+T cells. However, emerging evidence suggests that CD8+T cells can maintain a lowered viral burden through multiple mechanisms. A thorough understanding of the CD8+T-cell functions in HIV-1 infection that correlate with viral control, the populations responsible for these functions, and the elicitation and maintenance of these responses can provide guidance for vaccine design and potentially the development of new classes of antiretroviral therapies. In this review, we discuss the CD8+T-cell correlates of protection in HIV-1 and SIV infection and recent advances in this field.
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