In HeLa cells stably transfected with the HIV-1 tat gene ( HeLa-tat cells ) , expression of the Tat protein enhanced both TNF -induced activation of NF-kappa B and TNF -mediated cytotoxicity .
in hela cells stably transfected with the hiv-1 tat gene ( hela-tat cells ) , expression of the tat protein enhanced both tnf -induced activation of nf-kappa b and tnf -mediated cytotoxicity .
O B-cell_line I-cell_line O O O O B-virus O O O B-cell_line I-cell_line O O O O O B-protein_molecule I-protein_molecule O O B-protein_molecule O O O B-protein_molecule I-protein_molecule O B-protein_molecule O O O