SFs blocked the sustained activity of transcription factor Stat1 , but not Stat3 , during the priming period , and Stat1 activity was differentially regulated by cytokines in parallel with their positive or negative regulation of IFN-gamma production .
sfs blocked the sustained activity of transcription factor stat1 , but not stat3 , during the priming period , and stat1 activity was differentially regulated by cytokines in parallel with their positive or negative regulation of ifn-gamma production .
B-cell_type O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O O O B-protein_molecule O O O O O O O B-protein_family_or_group O O O O O B-protein_family_or_group O O O O O O O O O B-protein_molecule O O