Both primary activation , with phytohemagglutinin or antibodies to CD3 , and costimulation , provided by pairs of CD2 antibodies or B7-positive ( B cells ) or B7-negative ( endothelial ) accessory cells , are mediated through the same cis-elements .
both primary activation , with phytohemagglutinin or antibodies to cd3 , and costimulation , provided by pairs of cd2 antibodies or b7-positive ( b cells ) or b7-negative ( endothelial ) accessory cells , are mediated through the same cis-elements .
O O O O O B-protein_molecule O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O B-other_name O O O O O B-protein_family_or_group I-protein_family_or_group O B-cell_type I-cell_type I-cell_type I-cell_type I-cell_type O B-cell_type I-cell_type I-cell_type I-cell_type I-cell_type I-cell_type I-cell_type O O O O O B-DNA_family_or_group O