These studies demonstrate that a single cytokine can activate different combinations of Stat proteins under different physiological conditions , and also indicate two mechanisms by which distinct cytokines can activate the same Stat protein .
these studies demonstrate that a single cytokine can activate different combinations of stat proteins under different physiological conditions , and also indicate two mechanisms by which distinct cytokines can activate the same stat protein .
O O O O O O B-protein_family_or_group O O O O O B-protein_family_or_group I-protein_family_or_group O O B-other_name I-other_name O O O O O O O O O B-protein_family_or_group O O O O B-protein_family_or_group I-protein_family_or_group O