tokens: However , a unique DNA-protein complex was detected when the promoter central 21 bp repeat was reacted with nuclear extracts derived from either the U-373 MG glioblastoma cell line or the THP-1 mature monocytic cell line .
folded_tokens: however , a unique dna-protein complex was detected when the promoter central 21 bp repeat was reacted with nuclear extracts derived from either the u-373 mg glioblastoma cell line or the thp-1 mature monocytic cell line .
labels: O O O O B-protein_complex I-protein_complex O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O