TCRαβ+CD3+CD4-CD8- (double negative) T cells in autoimmunity

被引:138
作者
Brandt, D. [1 ]
Hedrich, C. M. [1 ,2 ,3 ]
机构
[1] Tech Univ Dresden, Fac Med Carl Gustav Carus, Childrens Hosp Dresden, Div Pediat Rheumatol & Immunol, Dresden, Germany
[2] Univ Liverpool, Inst Translat Med, Dept Womens & Childrens Hlth, Liverpool, Merseyside, England
[3] Alder Hey Childrens NHS Fdn Trust Hosp, Dept Paediat Rheumatol, Liverpool, Merseyside, England
关键词
Double negative T cells; DN T cells; Effector T cells; SLE; Psoriasis; Inflammation; SYSTEMIC-LUPUS-ERYTHEMATOSUS; LYMPHOPROLIFERATIVE SYNDROME EXPRESS; SJOGRENS-SYNDROME; GENE-EXPRESSION; CD8; EXPRESSION; THYMIC DIFFERENTIATION; REGULATORY CELLS; DNA METHYLATION; CD45; ISOFORM; MURINE B220;
D O I
10.1016/j.autrev.2018.02.001
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
TCR alpha beta(+)CD3(+)CD4(-)CD8(-) "double negative" (DN) T cells comprise a small subset of mature peripheral T cells. The origin and function of DN T cells are somewhat unclear and discussed controversially. While DN T cells resemble a rare and heterogeneous T cell subpopulation in healthy individuals, numbers of TCR alpha beta(+) DN T cells are expanded in several inflammatory conditions, where they also exhibit distinct effector phenotypes and infiltrate inflamed tissues. Thus, DN T cells may be involved in systemic inflammation and tissue damage in autoimmune/inflammatory conditions, including SLE, Sjogren's syndrome, and psoriasis. Here, the current understanding of the origin and phenotype of DN T cells, and their role in the instruction of immune responses, autoimmunity and inflammation will be discussed in health and disease. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码:422 / 430
页数:9
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