active supernatants were devoid of antiviral ( interferon ; ifn ) or interleukin 2 ( il 2 ) activity , and ifn-beta , ifn-gamma , il 2 , and interleukin 1 were unable to activate staphylococcidal activity , suggesting that the lgl macrophage activating factor was distinguishable from these cytokines .
C0021747
interferon
C0079189
cytokines