tokens: Cell-type-specific transactivation of the parathyroid hormone-related protein gene promoter by the human T-cell leukemia virus type I ( HTLV-I ) tax and HTLV-II tax proteins .
folded_tokens: cell-type-specific transactivation of the parathyroid hormone-related protein gene promoter by the human t-cell leukemia virus type i ( htlv-i ) tax and htlv-ii tax proteins .
labels: B-other_name I-other_name O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-virus I-virus I-virus I-virus I-virus I-virus O B-virus O O O B-virus O O O