tokens: A human T lymphoid cell line , PEER , dies by apoptosis in the presence of PMA and calcium ionophore .
folded_tokens: a human t lymphoid cell line , peer , dies by apoptosis in the presence of pma and calcium ionophore .
labels: O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O B-cell_line O O O B-other_name O O O O B-other_organic_compound O B-other_organic_compound I-other_organic_compound O