Stimulation of the CD28 cell surface molecule delivers costimulatory signals essential for lymphokine production in activated T cells via a conserved sequence element found in the promoter of several lymphokine genes .
stimulation of the cd28 cell surface molecule delivers costimulatory signals essential for lymphokine production in activated t cells via a conserved sequence element found in the promoter of several lymphokine genes .
O O O B-protein_molecule O O O O B-other_name I-other_name O O B-protein_family_or_group O O B-cell_type I-cell_type I-cell_type O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O B-DNA_domain_or_region O O B-protein_family_or_group O O