However , NF-kappa B activation was insufficient for CD40 -mediated up-regulation of B7-1 , Fas , and CD23 .
however , nf-kappa b activation was insufficient for cd40 -mediated up-regulation of b7-1 , fas , and cd23 .
O O B-protein_complex I-protein_complex O O O O B-protein_molecule O O O B-protein_molecule O B-protein_molecule O O B-protein_molecule O