tokens: This level of NF-kappa B -independent activity appears to be sufficient for virus multiplication , since TNF-alpha treatment had no effect on the kinetics of de novo HIV type 1 ( HIV-1 ) infection and viral RNA production in U937 cells .
folded_tokens: this level of nf-kappa b -independent activity appears to be sufficient for virus multiplication , since tnf-alpha treatment had no effect on the kinetics of de novo hiv type 1 ( hiv-1 ) infection and viral rna production in u937 cells .
labels: O O O B-protein_molecule I-protein_molecule O O O O O O O B-other_name I-other_name O O B-protein_molecule O O O O O O O O O O B-virus I-virus I-virus O B-virus O O O B-RNA_family_or_group I-RNA_family_or_group O O B-cell_line I-cell_line O