Mechanisms of HIV-associated lymphocyte apoptosis: 2010.

Mechanisms of HIV-associated lymphocyte apoptosis: 2010.
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DOI:
10.1038/cddis.2010.77
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发表时间:
2010-11-11
影响因子:
9
通讯作者:
--
中科院分区:
生物学1区
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--
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在未经治疗的人类免疫缺陷病毒(HIV)感染中,CD4T细胞不可避免的下降在很大程度上是由于细胞凋亡,一种程序性细胞死亡。越来越多的证据表明,HIV感染中CD4T细胞的加速凋亡是多因素的,直接的病毒细胞毒性、由病毒蛋白触发的信号传导事件和异常的免疫激活增加了正常的免疫防御机制,从而促成了这一现象。目前的抗病毒治疗策略通常会导致细胞凋亡减少,但这种方法可能会以保留潜伏的病毒库为代价。这是本次审查的目的是提供一个更新的作用和机制的加速凋亡的T细胞在HIV感染的免疫发病机制的理解,并强调这种看似有害的过程可以利用的潜在途径,不仅控制,但治疗HIV感染。
The inevitable decline of CD4T cells in untreated infection with the Human immunodeficiency virus (HIV) is due in large part to apoptosis, one type of programmed cell death. There is accumulating evidence that the accelerated apoptosis of CD4T cells in HIV infection is multifactorial, with direct viral cytotoxicity, signaling events triggered by viral proteins and aberrant immune activation adding to normal immune defense mechanisms to contribute to this phenomenon. Current antiviral treatment strategies generally lead to reduced apoptosis, but this approach may come at the cost of preserving latent viral reservoirs. It is the purpose of this review to provide an update on the current understanding of the role and mechanisms of accelerated apoptosis of T cells in the immunopathogenesis of HIV infection, and to highlight potential ways in which this seemingly deleterious process could be harnessed to not just control, but treat HIV infection.
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