Encephalitogenic and Regulatory CD8 T Cells in Multiple Sclerosis and Its Animal Models.

Encephalitogenic and Regulatory CD8 T Cells in Multiple Sclerosis and Its Animal Models.
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DOI:
10.4049/jimmunol.2000797
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发表时间:
2021-01-01
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
通讯作者:
Segal BM
Segal BM
中科院分区:
其他
文献类型:
--
作者:
Mockus TE;Munie A;Atkinson JR;Segal BM

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多发性硬化症(MS)是一种神经炎性疾病,影响全球数百万人,被广泛认为是自身免疫性病因。从历史上看,MS发病机制的研究一直集中在自身反应性CD4 T细胞,由于其在动物模型,实验性自身免疫性脑脊髓炎(EAE)的关键作用,以及MS易感性和单核苷酸多态性之间的关联在MHC II区。然而,最近的研究表明,突出的克隆扩增的CD8 T细胞在中枢神经系统(CNS)在MS。在这里,我们回顾了文献中的CD8 T细胞在MS中,强调其潜在的效应和调节特性。我们讨论了目前用于降低MS复发率的疾病修饰疗法对CD8 T细胞频率和功能的影响。对CD8 T细胞在MS中的作用的更深入理解可能会导致为特定患者亚群开发更有效和选择性的免疫调节药物。
Multiple sclerosis (MS), a neuroinflammatory disease that affects millions worldwide, is widely thought to be autoimmune in etiology. Historically, research into MS pathogenesis has focused on autoreactive CD4 T cells, due to their critical role in the animal model, experimental autoimmune encephalomyelitis (EAE), and the association between MS susceptibility and single nucleotide polymorphisms in the MHC II region. However, recent studies have revealed prominent clonal expansions of CD8 T cells within the central nervous system (CNS) during MS. Here we review the literature on CD8 T cells in MS, with an emphasis on their potential effector and regulatory properties. We discuss the impact of disease modifying therapies, currently prescribed to reduce MS relapse rates, on CD8 T cell frequency and function. A deeper understanding of the role of CD8 T cells in MS may lead to the development of more effective and selective immunomodulatory drugs for particular subsets of patients.
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