During treatment with Hm , K562 cells constitutively expressed c-myb mRNA , and 50% of them began to synthesize hemoglobin ( Hb ) .
during treatment with hm , k562 cells constitutively expressed c-myb mrna , and 50% of them began to synthesize hemoglobin ( hb ) .
O O O B-protein_molecule O B-cell_line I-cell_line O O B-RNA_molecule I-RNA_molecule O O O O O O O O B-protein_molecule O B-protein_molecule O O