In contrast to IL-12 , no up-regulation of IRF-1 was found in IL-4 -stimulated cells , and IL-4 did not block IL-12 -dependent up-regulation of IRF-1 .
in contrast to il-12 , no up-regulation of irf-1 was found in il-4 -stimulated cells , and il-4 did not block il-12 -dependent up-regulation of irf-1 .
O O O B-protein_molecule O O B-other_name O B-protein_molecule O O O B-protein_molecule O O O O B-protein_molecule O O O B-protein_molecule O O O B-protein_molecule O