Selection of regulatory T cells in the thymus

Chyi Song Hsieh, Hyang Mi Lee, Chan Wang J. Lio

Research output: Contribution to journalReview article

280 Scopus citations

Abstract

The generation of regulatory T (T Reg) cells in the thymus is crucial for immune homeostasis and self-tolerance. Recent discoveries have revealed the cellular and molecular mechanisms that govern the differentiation of a subset of developing thymocytes into natural T Reg cells. Several models, centred on the self-reactivity of the T cell receptor (TCR), have been proposed to explain the generation of a T Reg cell population that is cognizant of self. Several molecular pathways link TCR and cytokine signalling with the expression of the T Reg cell-associated transcription factor forkhead box P3 (FOXP3). Moreover, interplay between thymocytes and thymic antigen-presenting cells is also involved in T Reg cell generation.

Original languageEnglish
Pages (from-to)157-167
Number of pages11
JournalNature Reviews Immunology
Volume12
Issue number3
DOIs
StatePublished - Mar 1 2012

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