In several cell types , activation of NF-kappa B and/or activating protein-1 ( AP-1 ) has been demonstrated to be extremely important in blocking apoptosis .
in several cell types , activation of nf-kappa b and/or activating protein-1 ( ap-1 ) has been demonstrated to be extremely important in blocking apoptosis .
O O O O O O O B-protein_complex I-protein_complex O B-protein_molecule I-protein_molecule O B-protein_molecule O O O O O O O O O O B-other_name O