tokens: Human T leukemia virus type 1 ( HTLV-1 ) infects T cells and can lead to increase GM-CSF expression .
folded_tokens: human t leukemia virus type 1 ( htlv-1 ) infects t cells and can lead to increase gm-csf expression .
labels: B-virus I-virus I-virus I-virus I-virus I-virus O B-virus O O B-cell_type I-cell_type O O O O O B-protein_molecule O O