tokens: Previous studies have demonstrated that human HL-60 myeloid leukemia cells differentiate in response to phorbol esters .
folded_tokens: previous studies have demonstrated that human hl-60 myeloid leukemia cells differentiate in response to phorbol esters .
labels: O O O O O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O O O O B-other_organic_compound I-other_organic_compound O