Foxp3+CD4+ T cell-mediated immunosuppression involves extracellular nucleotide catabolism

Margaret S Bynoe1, Christophe Viret

  • 1College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA. msb76@cornell.edu

Trends in Immunology
|February 9, 2008
PubMed

Foxp3(+)CD4(+) T cells represent a population of naturally arising suppressor T cells that are crucial for the control of autoimmune responses. The suppressive activity of this T cell subset relies on multiple mechanisms that include secretion of anti-inflammatory factors such as TGF-beta or IL-10. Novel studies now establish that, through the generation of the immunosuppressive factor adenosine, the ectoenzymes CD39 and CD73 are important contributors to the regulatory activity of Foxp3(+)CD4(+) T cells.

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