However , B series cells resembled the A series cells in exhibiting faster growth rates than the parental HL60 cells and showed high levels of vitamin D receptor and retinoid receptor X proteins .
however , b series cells resembled the a series cells in exhibiting faster growth rates than the parental hl60 cells and showed high levels of vitamin d receptor and retinoid receptor x proteins .
O O O O O O O O O O O O O O O O O O B-cell_line I-cell_line O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O