While several lines of investigation have suggested that NF-kappaB/Rel family members make up the CD28 response complex transcription factor , other work has not supported this conclusion .
while several lines of investigation have suggested that nf-kappab/rel family members make up the cd28 response complex transcription factor , other work has not supported this conclusion .
O O O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O B-protein_molecule O O B-protein_family_or_group I-protein_family_or_group O O O O O O O O O