In this report we demonstrate that IL-12 induces tyrosine phosphorylation of a recently identified STAT family member , STAT4 , and show that STAT4 expression is regulated by T-cell activation .
in this report we demonstrate that il-12 induces tyrosine phosphorylation of a recently identified stat family member , stat4 , and show that stat4 expression is regulated by t-cell activation .
O O O O O O B-protein_molecule O B-amino_acid_monomer O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-protein_molecule O O O O B-protein_molecule O O O O B-other_name I-other_name O