tokens: Human peripheral B cells became capable of constitutively producing p40 by in vitro transformation with EBV , coincident with the expression of latent membrane protein 1 ( LMP1 ) of EBV .
folded_tokens: human peripheral b cells became capable of constitutively producing p40 by in vitro transformation with ebv , coincident with the expression of latent membrane protein 1 ( lmp1 ) of ebv .
labels: B-cell_type I-cell_type I-cell_type I-cell_type O O O O O O O B-other_name I-other_name I-other_name O B-virus O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O O B-virus O