Oct2 expression was unable to stimulate a multimerized octamer enhancer element in HeLa cells , however .
oct2 expression was unable to stimulate a multimerized octamer enhancer element in hela cells , however .
B-protein_molecule O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O B-cell_line I-cell_line O O O