We have investigated whether this synergy is present in other cell types and the mechanism ( s ) by which these two pathways lead to NF-kappa B activation .
we have investigated whether this synergy is present in other cell types and the mechanism ( s ) by which these two pathways lead to nf-kappa b activation .
O O O O O O O O O O O O O O O O O O O O O O O O O B-protein_molecule I-protein_molecule O O