The presence of an active CRE site in the bcl-2 promoter implies that the regulation of bcl-2 expression is linked to a signal transduction pathway in B cells .
the presence of an active cre site in the bcl-2 promoter implies that the regulation of bcl-2 expression is linked to a signal transduction pathway in b cells .
O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-protein_molecule O O O O O B-other_name I-other_name I-other_name O B-cell_type I-cell_type O