tokens: Transcriptional induction of collagenase-1 in differentiated monocyte-like ( U937 ) cells is regulated by AP-1 and an upstream C/EBP-beta site .
folded_tokens: transcriptional induction of collagenase-1 in differentiated monocyte-like ( u937 ) cells is regulated by ap-1 and an upstream c/ebp-beta site .
labels: O O O B-protein_molecule O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O O O B-protein_molecule O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O