tokens: The rate of LTR -directed gene expression increased in response to treatment with either a phorbol ester or tumor necrosis factor alpha if either the NFAT-1 or NF kappa B binding sites were deleted , but failed to respond to these mitogenic stimuli if both sequences were absent .
folded_tokens: the rate of ltr -directed gene expression increased in response to treatment with either a phorbol ester or tumor necrosis factor alpha if either the nfat-1 or nf kappa b binding sites were deleted , but failed to respond to these mitogenic stimuli if both sequences were absent .
labels: O O O B-DNA_domain_or_region O O O O O O O O O O O B-other_organic_compound I-other_organic_compound O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O B-DNA_domain_or_region O B-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O O O O O O O O O O O O