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Table 1 Cytokine expression profiles of the three classes of regulatory T cells

From: Regulating the immune system: the induction of regulatory T cells in the periphery

Cytokine expressed Th3 cells T regulatory 1 cells CD4+CD25+ TR cells
Interferon gamma +/- + -
IL-4 +/- - -
Transforming growth factor beta +++ ++ +/-
IL-10 +/- +++ +/-
  1. The production of cytokine is indicated as absent (-) or present (+) with relative quantities of cytokine indicated by +/- < + < ++ < +++.