tokens: Furthermore , ectopic expression of EBF in HeLa cells activated a B29 promoter -controlled reporter construct 13-fold and induced a low level of expression from the endogenous B29 gene .
folded_tokens: furthermore , ectopic expression of ebf in hela cells activated a b29 promoter -controlled reporter construct 13-fold and induced a low level of expression from the endogenous b29 gene .
labels: O O B-other_name I-other_name O B-protein_molecule O B-cell_line I-cell_line O O B-DNA_domain_or_region O O O O O O O O O O O O O O B-DNA_domain_or_region B-DNA_domain_or_region O O