tokens: Tumor necrosis factor ( TNF ) -alpha controls T-cell activation and is a major inducer of human immunodeficiency virus ( HIV ) -1 replication in chronically infected cells .
folded_tokens: tumor necrosis factor ( tnf ) -alpha controls t-cell activation and is a major inducer of human immunodeficiency virus ( hiv ) -1 replication in chronically infected cells .
labels: B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O B-other_name I-other_name O O O O O O B-virus I-virus I-virus I-virus I-virus I-virus I-virus O O B-cell_type I-cell_type I-cell_type O