We found that in both cell lines , both phorbol ester and TNF alpha were able to activate NF-kappa B .
we found that in both cell lines , both phorbol ester and tnf alpha were able to activate nf-kappa b .
O O O O O O O O O B-other_organic_compound I-other_organic_compound O B-protein_molecule I-protein_molecule O O O O B-protein_molecule I-protein_molecule O