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In Vitro Differentiation of Human CD4+FOXP3+ Induced Regulatory T Cells (iTregs) from Naïve CD4+ T Cells Using a TGF-β-containing Protocol
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In Vitro Differentiation of Human CD4+FOXP3+ Induced Regulatory T Cells (iTregs) from Naïve CD4+ T Cells Using a TGF-β-containing Protocol

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Differentiation and function of Foxp3(+) effector regulatory T cells

Erika Cretney1, Axel Kallies, Stephen L Nutt

  • 1The Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia. cretney@wehi.edu.au

Trends in Immunology
|December 11, 2012
PubMed

Regulatory T (Treg) cells are essential for immunological tolerance and homeostasis. Although forkhead box (Fox)p3 is continually required to reinforce the Treg cell program, Treg cells can also undergo stimulus-specific differentiation that is regulated by transcription factors typically associated with the differentiation of conventional CD4(+) T cells. This results in effector Treg (eTreg) cells with unique migratory and functional properties matched to the stimulus that elicited the initial response. Despite this functional and transcriptional heterogeneity, expression of the transcription factor B lymphocyte-induced maturation protein (Blimp)-1, a key player in late B cell and conventional T cell differentiation, is common to all eTreg cells. Here, we discuss the factors that control the differentiation of eTreg cells and their importance in disease settings.

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