期刊
SEMINARS IN IMMUNOLOGY
卷 27, 期 1, 页码 10-18出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.smim.2015.02.002
关键词
Regulatory T cells; Foxp3; Epigenetic regulation; Immunoregulation
类别
资金
- Wilhelm-Sander-Foundation
- German Research Foundation [SFB 832, BE 4427/3-1]
Regulatory T cells (T-reg cells) present a unique T-cell lineage that plays a key role for the initiation and maintenance of immunological tolerance. T-reg cells are characterized by the expression of the forkhead box transcription factor Foxp3, which acts as a lineage-specifying factor and determines the unique properties of these immunosuppressive cells. Work over the past few years has shown that well-defined and precisely controlled events on transcriptional and epigenetic level are required to ensure stable expression of Foxp3 in T-reg cells. More recent work suggested that in addition to stable Foxp3 expression, epigenetic modifications of Tree-cell specific genes contribute to the unique phenotype of T-reg cells by imprinting their transcriptional program and stabilizing the expression of molecules being essential for the suppressive properties of T-reg cells. In this review, we will highlight how Foxp3 expression itself is epigenetically and transcriptionally controlled, how the Tree-cell specific epigenetic signature is achieved, how Foxp3 as transcription factor influences the gene expression programs in T-reg cells and how unique properties of Tree-cell subsets are defined by other transcription factors. (C) 2015 Elsevier Ltd. All rights reserved.
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