When ordered according to stage of maturation , the amount of constitutive NF-kappa B was not increased in more mature cell lines .
when ordered according to stage of maturation , the amount of constitutive nf-kappa b was not increased in more mature cell lines .
O O O O O O O O O O O O B-protein_molecule I-protein_molecule O O O O O B-cell_line I-cell_line I-cell_line O