tokens: Transactivation of PTHrP by Tax was seen in T cells but not in B-cell lines or fibroblasts .
folded_tokens: transactivation of pthrp by tax was seen in t cells but not in b-cell lines or fibroblasts .
labels: O O B-protein_molecule O B-protein_molecule O O O B-cell_type I-cell_type O O O B-cell_line I-cell_line O B-cell_line O