Most erythroleukemic cell lines established in vitro coexpress erythrocytic and megakaryocytic markers that often are associated with expression of Spi-1 and/or Fli-1 transcription factors known as transactivators of megakaryocyte-specific promoters .
most erythroleukemic cell lines established in vitro coexpress erythrocytic and megakaryocytic markers that often are associated with expression of spi-1 and/or fli-1 transcription factors known as transactivators of megakaryocyte-specific promoters .
O B-cell_line I-cell_line I-cell_line O O O O O O O O O O O O O O O B-protein_molecule O B-protein_molecule O O O O B-protein_family_or_group I-protein_family_or_group B-DNA_family_or_group I-DNA_family_or_group O