recombinant il-2 ( ril-2 ) and il-4 ( ril-4 ) promote proliferation of human cd4+ t cells activated in the presence of pha , tpa or okt-3 monoclonal antibody ( mab ) , whereas the production of interferon-gamma ( ifn ) can be induced only by ril-2 .
C0086418
human
C0021756
ril-2