Regulatory T cell development in the thymus

David L. Owen, Louisa E. Sjaastad, Michael A. Farrar

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations


Development of a comprehensive regulatory T (Treg) cell compartment in the thymus is required to maintain immune homeostasis and prevent autoimmunity. In this study, we review cellular and molecular determinants of Treg cell development in the thymus. We focus on the evidence for a self-antigen-focused Treg cell repertoire as well as the APCs responsible for presenting self-antigens to developing thymocytes. We also cover the contribution of different cytokines to thymic Treg development and the cellular populations that produce these cytokines. Finally, we update the originally proposed "two-step" model of thymic Treg differentiation by incorporating new evidence demonstrating that Treg cells develop from two Treg progenitor populations and discuss the functional importance of Treg cells generated via either progenitor pathway.

Original languageEnglish (US)
Pages (from-to)2031-2041
Number of pages11
JournalJournal of Immunology
Issue number8
StatePublished - Oct 15 2019

PubMed: MeSH publication types

  • Journal Article
  • Research Support, N.I.H., Extramural
  • Review

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