Therefore , we additionally investigated other transcription factors of possible importance such as CREB , CTF , OTF-1 , and OTF-2 .
therefore , we additionally investigated other transcription factors of possible importance such as creb , ctf , otf-1 , and otf-2 .
O O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O B-protein_molecule O B-protein_molecule O B-protein_molecule O O B-protein_molecule O