Furthermore , we show that the ICK-1 binding site does not confer negative regulation in U937 cells .
furthermore , we show that the ick-1 binding site does not confer negative regulation in u937 cells .
O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O B-other_name I-other_name O B-cell_line I-cell_line O