Loss and dysregulation of Th17 cells during HIV infection.

Loss and dysregulation of Th17 cells during HIV infection.
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DOI:
10.1155/2013/852418
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发表时间:
2013
影响因子:
--
通讯作者:
Mattapallil JJ
Mattapallil JJ
中科院分区:
其他
文献类型:
--
作者:
Bixler SL;Mattapallil JJ

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在HIV感染期间观察到的慢性免疫激活的主要范例是细菌移位穿过受损的粘膜上皮。辅助性T细胞17(Th17)是一种独特的辅助性T细胞谱系,其在粘膜组织中富集,并被认为在保护粘膜屏障的完整性和维持粘膜部位的免疫稳态中发挥核心作用。Th17细胞在HIV感染过程中很早就丢失了,它们的丢失已被证明与细菌易位有关。有趣的是,即使在成功的抗逆转录病毒治疗(ART)后,Th17细胞也无法从早期破坏中完全恢复。在这里,我们回顾了HIV感染过程中Th17细胞丢失和失调的一些潜在机制。
Bacterial translocation across the damaged mucosal epithelium has emerged as a major paradigm for chronic immune activation observed during HIV infection. T helper 17 (Th17) cells are a unique lineage of T helper cells that are enriched in mucosal tissues and are thought to play a central role in protecting the integrity of the mucosal barrier and maintaining immune homeostasis at mucosal sites. Th17 cells are lost very early during the course of HIV infection, and their loss has been shown to correlate with bacterial translocation. Interestingly, Th17 cells are unable to completely recover from the early destruction even after successful antiretroviral therapy (ART). Here, we review some of the potential mechanisms for the loss and dysregulation of Th17 cells during HIV infection.
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