A DNA fragment containing 128 bp of upstream sequence had strong , monocyte-specific promoter activity in the CD14 positive monocytic cell line Mono Mac 6 as compared to the nonmonocytic cell lines HeLa and REX .
a dna fragment containing 128 bp of upstream sequence had strong , monocyte-specific promoter activity in the cd14 positive monocytic cell line mono mac 6 as compared to the nonmonocytic cell lines hela and rex .
O B-DNA_molecule I-DNA_molecule O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O B-other_name I-other_name I-other_name O O B-protein_molecule O O O O B-cell_line I-cell_line I-cell_line O O O O B-cell_line I-cell_line I-cell_line B-cell_line O B-cell_line O