These results confirm that sequences in the upstream promoter region of the adult beta globin gene contribute to its factor-mediated suppression early in development and then may modulate its expression at a later stage .
these results confirm that sequences in the upstream promoter region of the adult beta globin gene contribute to its factor-mediated suppression early in development and then may modulate its expression at a later stage .
O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O B-other_name I-other_name O O O O O O O O O O O O O O