tokens: The human monocytic leukemia cell line THP-1 differentiates into macrophage-like cells when treated with phorbol esters .
folded_tokens: the human monocytic leukemia cell line thp-1 differentiates into macrophage-like cells when treated with phorbol esters .
labels: O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line B-cell_line O O B-cell_type I-cell_type O O O O O O