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Foxp3 programs the development and function of CD4+CD25+ regulatory T cells.

Nature immunology | Apr 27, 2003

http://www.ncbi.nlm.nih.gov/pubmed/12612578

CD4+CD25+ regulatory T cells are essential for the active suppression of autoimmunity. Here we report that the forkhead transcription factor Foxp3 is specifically expressed in CD4+CD25+ regulatory T cells and is required for their development. The lethal autoimmune syndrome observed in Foxp3-mutant scurfy mice and Foxp3-null mice results from a CD4+CD25+ regulatory T cell deficiency and not from a cell-intrinsic defect of CD4+CD25- T cells. CD4+CD25+ regulatory T cells rescue disease development and preferentially expand when transferred into neonatal Foxp3-deficient mice. Furthermore, ectopic expression of Foxp3 confers suppressor function on peripheral CD4+CD25- T cells. Thus, Foxp3 is a critical regulator of CD4+CD25+ regulatory T cell development and function.

Pubmed ID: 12612578 RIS Download

Mesh terms: Animals | CD4-Positive T-Lymphocytes | DNA-Binding Proteins | Down-Regulation | Female | Forkhead Transcription Factors | Gene Targeting | Mice | Receptors, Interleukin-2

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Mouse Genome Informatics (Data, Gene Annotation)

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