CD8(+) T cells in multiple sclerosis.

CD8(+) T cells in multiple sclerosis.
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DOI:
10.1517/14728222.2013.815726
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发表时间:
2013-09
影响因子:
5.8
通讯作者:
Rodriguez M
Rodriguez M
中科院分区:
医学2区
文献类型:
--
作者:
Denic A;Wootla B;Rodriguez M

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CD 8 + T细胞最初被认为在脱髓鞘疾病中发挥抑制作用,因为偏向于CD 4 + T细胞介导的实验性自身免疫性脑脊髓炎,最常见的MS模型。然而,最近对人类MS病变样本和CSF的研究提供了有关CD 8 + T细胞致病作用的令人信服的证据。在这篇综述中,我们讨论了不同的CD 8 + T细胞亚群在MS的理论作用。一个修订的重点从CD 4+到CD 8 + T细胞介导的脱髓鞘疾病进行了总结。CD 8 + T细胞在MS病变中的克隆扩增和CD 8 + T细胞损伤每种CNS细胞类型和横断轴突的体外证据进行了讨论。CD 8 + T细胞在MS和调节,IL-17分泌的CD 8 + T细胞的两种动物模型中的作用进行了审查。最后,概述了各种CD 8 + T细胞亚群的致病和/或有益作用。越来越多的证据支持CD 8 + T细胞的致病作用。MS病变内克隆扩增的CD 8 + T细胞可能损害神经系统。揭示特异性抗原对于设计具有最小副作用的新型有效治疗至关重要。越来越多的证据表明调节性IL-17分泌性CD 8 + T细胞在MS中的作用。
CD8+ T cells were originally considered to exert a suppressive role in demyelinating disease because of bias toward the CD4+ T cell-mediated experimental autoimmune encephalomyelitis, the most common MS model. However, recent studies of human MS lesion samples and CSF provided compelling evidence about the pathogenic role of CD8+ T cells. In this review, we discuss the theoretical roles of different CD8+ T-cell subsets in MS. A revised focus from CD4+ to CD8+ T cell-mediated demyelinating disease is summarized. Clonal expansion of CD8+ T cells in MS lesions and in vitro evidence that CD8+ T cells injure every CNS cell type and transect axons are discussed. The role of CD8+ T cells in two animal models of MS and of regulatory, IL-17-secreting CD8+ T cells is reviewed. Lastly, an overview about the pathogenic and/or beneficial role of various CD8+ T-cell subsets is offered. Growing evidence supports the pathogenic role of CD8+ T cells. Clonally expanded CD8+ T cells within MS lesions may damage the nervous system. Revealing the specific antigen is critical to design novel efficient treatments with minimal adverse effects. Increasing evidence exists for the role of regulatory, IL-17-secreting CD8+ T cells in MS.
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