In day 7 and day 10 erythroid precursors cultured with Steel factor , SCL protein was increased significantly compared to control .
in day 7 and day 10 erythroid precursors cultured with steel factor , scl protein was increased significantly compared to control .
O O O O O O B-cell_type I-cell_type O O B-protein_molecule I-protein_molecule O B-protein_molecule O O O O O O O O