tokens: The requirement for AP1 activation suggested a role for the mitogen-activated protein kinase ( MAPK ) signaling pathway in regulating alpha2 integrin gene expression .
folded_tokens: the requirement for ap1 activation suggested a role for the mitogen-activated protein kinase ( mapk ) signaling pathway in regulating alpha2 integrin gene expression .
labels: O O O B-protein_molecule O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-protein_family_or_group O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O