while recombinant human interleukin-2 ( il-2 ) , interleukin-3 ( il-3 ) , interleukin-4 ( il-4 ) , interleukin-5 ( il-5 ) , interleukin-6 ( il-6 ) , and rat or human recombinant interferon-gamma ( ifn-gamma ) have no proliferative effect on astrocytes , a human t cell-derived b cell growth factor ( bcgf ) does .
C0218986
recombinant human interleukin-2
C0021756
t cell