pretreatment of nk cells with rat interferon ( ifn-alpha/beta ) and with human recombinant interleukin 2 ( ril 2 ) in vitro , showed that these two cytokines , when combined , had opposing effects on nk activity and proliferation : whereas ril 2 inhibited the ifn-induced augmentation in nk activity , ifn inhibited the ril 2-induced lgl proliferation .
C0218986
human recombinant interleukin 2
C0021756
ril 2