Neutralizing antiserum against IFN-gamma , but not other cytokines tested , blocked activation of the factor almost completely , and IFN-gamma was found in the culture supernatants of stimulated cells at levels at which recombinant IFN-gamma could activate the factor in naive cells .
neutralizing antiserum against ifn-gamma , but not other cytokines tested , blocked activation of the factor almost completely , and ifn-gamma was found in the culture supernatants of stimulated cells at levels at which recombinant ifn-gamma could activate the factor in naive cells .
O O O B-protein_molecule O O O O B-protein_family_or_group O O O O O O O O O O O B-protein_molecule O O O O O O O B-cell_line I-cell_line O O O O O B-protein_molecule O O O O O B-cell_type I-cell_type O