normal human b-cell proliferation is controlled by different t-cell-derived lymphokines , including interleukin 2 ( il2 ) and gamma interferon ( gamma-ifn ) , that account for the majority of the b-cell growth factor ( bcgf ) activity produced by mitogen-activated peripheral blood mononuclear cells ( pbmcs ) .
C1155008
b-cell proliferation
C0021756
interleukin 2