Additionally , IFN-gamma activity but not IL-1 , IL-2 , or IL-4 activity was present in culture supernatants 72 h after R24 stimulation .
additionally , ifn-gamma activity but not il-1 , il-2 , or il-4 activity was present in culture supernatants 72 h after r24 stimulation .
O O B-protein_molecule O O O O O O O O O O O O O O O O O O B-protein_molecule O O