tokens: Increased NF-kappa B activity was observed and this increased activity was blocked by a specific inhibitor of the viral protease .
folded_tokens: increased nf-kappa b activity was observed and this increased activity was blocked by a specific inhibitor of the viral protease .
labels: O B-protein_molecule I-protein_molecule O O O O O O O O O O O O O O O B-protein_molecule I-protein_molecule O