When U937 cells were infected with HIV-1 , no induction of NF-KB factor was detected , whereas high level of progeny virions was produced , suggesting that this factor was not required for viral replication .
when u937 cells were infected with hiv-1 , no induction of nf-kb factor was detected , whereas high level of progeny virions was produced , suggesting that this factor was not required for viral replication .
O B-cell_line I-cell_line O O O B-virus O O O O B-protein_molecule O O O O O O O O B-virus I-virus O O O O O O O O O O O B-other_name I-other_name O