We have reported previously that a nuclear NF-kappa B activity was present in freshly extracted human thymocytes in the absence of in vitro treatment of these cells .
we have reported previously that a nuclear nf-kappa b activity was present in freshly extracted human thymocytes in the absence of in vitro treatment of these cells .
O O O O O O O B-protein_molecule I-protein_molecule O O O O O O B-cell_type I-cell_type O O O O O O O O O O O