To examine whether GATA-1 expression involves additional regulatory factors or is maintained entirely by an autoregulatory loop , we have used a transient heterokaryon system to test the ability of erythroid factors to activate the GATA-1 gene in nonerythroid nuclei .
to examine whether gata-1 expression involves additional regulatory factors or is maintained entirely by an autoregulatory loop , we have used a transient heterokaryon system to test the ability of erythroid factors to activate the gata-1 gene in nonerythroid nuclei .
O O O B-protein_molecule O O O B-protein_family_or_group I-protein_family_or_group O O O O O O B-other_name I-other_name O O O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O O O B-protein_molecule O O B-cell_component I-cell_component O