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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 +/- < + < ++ < +++.