The increase in IL-2 gene expression triggered by CD28 involves a kappa B-like sequence in the 5'-regulatory region of the IL-2 promoter , called CD28 -responsive element .
the increase in il-2 gene expression triggered by cd28 involves a kappa b-like sequence in the 5'-regulatory region of the il-2 promoter , called cd28 -responsive element .
O O O B-protein_molecule O O O O B-protein_molecule O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-protein_molecule O O O B-protein_molecule O O O