This study demonstrates that human immunodeficiency virus type 1 ( HIV-1 ) Tat protein amplifies the activity of tumor necrosis factor ( TNF ) , a cytokine that stimulates HIV-1 replication through activation of NF-kappa B .
this study demonstrates that human immunodeficiency virus type 1 ( hiv-1 ) tat protein amplifies the activity of tumor necrosis factor ( tnf ) , a cytokine that stimulates hiv-1 replication through activation of nf-kappa b .
O O O O B-virus I-virus I-virus I-virus I-virus O B-virus O O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-protein_molecule O O O O O O B-virus O O O O B-protein_molecule I-protein_molecule O