However , the experimentally derived B-lymphoblastoid cell line , clone 13 , expresses high levels of HLADQ in the absence of HLA-DR and HLA-DP , despite its mapping by complementation analysis to this group .
however , the experimentally derived b-lymphoblastoid cell line , clone 13 , expresses high levels of hladq in the absence of hla-dr and hla-dp , despite its mapping by complementation analysis to this group .
O O O O O B-cell_line I-cell_line I-cell_line O B-cell_line I-cell_line O O O O O B-protein_molecule O O O O B-DNA_domain_or_region O B-DNA_domain_or_region O O O O O O O O O O O