The multiple biological activities of tumor necrosis factor ( TNF ) are mediated by two distinct cell surface receptors of 55 kd ( TNFRp55 ) and 75 kd ( TNFRp75 ) .
the multiple biological activities of tumor necrosis factor ( tnf ) are mediated by two distinct cell surface receptors of 55 kd ( tnfrp55 ) and 75 kd ( tnfrp75 ) .
O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-protein_molecule I-protein_molecule O B-protein_molecule O O B-protein_molecule I-protein_molecule O B-protein_molecule O O