In a NGF -responsive rat pheochromocytoma cell line , PC12 , PMA activated NF-kappa B , whereas NGF did not .
in a ngf -responsive rat pheochromocytoma cell line , pc12 , pma activated nf-kappa b , whereas ngf did not .
O O B-protein_family_or_group O O O O O O B-cell_line O B-other_organic_compound O B-protein_molecule I-protein_molecule O O B-protein_family_or_group O O O