Which cytokine promotes the proliferation of T and B lymphocytes? a. IFN-γ (interferon γ) b. IL-2 (interleukin 2) c. IL-4 (interleukin 4) d. TNF-α (tumor necrosis factor α) e. TGF-β (transforming growth factor β)
Tnf
TNF
Tnf-a