In this study , the region upstream of Cp was analyzed for the presence of cis elements involved in regulating the activities of the EBNA gene promoters in established in vitro immortalized lymphoblastoid cell lines ( LCLs ) .
in this study , the region upstream of cp was analyzed for the presence of cis elements involved in regulating the activities of the ebna gene promoters in established in vitro immortalized lymphoblastoid cell lines ( lcls ) .
O O O O O O O O B-DNA_domain_or_region O O O O O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region B-DNA_domain_or_region O O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O B-cell_line O O