In cells of nonhematopoietic lineage , human endothelial and HeLa cells , the GP Ib alpha promoter activity was no greater than background levels obtained with promoterless constructs .
in cells of nonhematopoietic lineage , human endothelial and hela cells , the gp ib alpha promoter activity was no greater than background levels obtained with promoterless constructs .
O O O B-cell_type I-cell_type O B-cell_type I-cell_type O B-cell_type I-cell_type O O B-protein_family_or_group O O O O O O O O O O O O B-DNA_family_or_group I-DNA_family_or_group O