Previous studies have demonstrated that these cytokines predominantly activate an 80 kDa STAT5 isoform in mature granulocytes .
previous studies have demonstrated that these cytokines predominantly activate an 80 kda stat5 isoform in mature granulocytes .
O O O O O O B-protein_family_or_group O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O