Promoter activity was increased by the transcription factors C/EBPbeta ( NF-IL6 ) and more strongly , by C/EBPdelta ( NF-IL6beta ) .
promoter activity was increased by the transcription factors c/ebpbeta ( nf-il6 ) and more strongly , by c/ebpdelta ( nf-il6beta ) .
O O O O O O B-protein_family_or_group I-protein_family_or_group B-protein_molecule O B-protein_molecule O O O O O O B-protein_molecule O B-protein_molecule O O