Table 2.

STAT Family

	Cytokine or factor
STAT1	IL-2, IL-6, IL-10, IFN-α, IFN-β, IFN-γ, IL-27
STAT2	IFN-α, IFN-β
STAT3	LIF, IL-10, IL-6, IL-27, Growth hormone
STAT4	IL-12
STAT5a/b	Prolactin, Growth hormone, Thrombopoietin
STAT6	IL-4, IL-13