We found that erythropoietin induces tyrosine phosphorylation of Jak2 , STAT5A , and STAT5B .
we found that erythropoietin induces tyrosine phosphorylation of jak2 , stat5a , and stat5b .
O O O B-protein_molecule O B-other_name I-other_name O B-protein_molecule O B-protein_molecule O O B-protein_molecule O