tokens: In contrast , there was little effect of TPA on EGR-1 transcription in a TPA -resistant U-937 cell variant , designated TUR .
folded_tokens: in contrast , there was little effect of tpa on egr-1 transcription in a tpa -resistant u-937 cell variant , designated tur .
labels: O O O O O O O O B-other_organic_compound O B-DNA_domain_or_region O O O B-other_organic_compound O O O O O O B-cell_line O