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Nature Medicine 13, 411–413 (1 April 2007) | doi:10.1038/nm0407-411

T effectors outfox T regulators in autoimmunity

Thomas Prod'homme , Martin S Weber & Scott S Zamvil

CD4+CD25+ regulatory T cells (T-reg) exhibit potent regulatory functions in vitro and in vivo. These cells play a central role in maintaining peripheral tolerance and controlling organ-specific autoimmunity by suppressing pathogenic autoreactive T cells.