Furthermore , CD40 ligation of a HLA-A2+ , MelanA/MART1+ MM cell line enhanced its susceptibility to specific lysis by a HLA-A2-restricted , MelanA/MART-1-specific CTL clone .
furthermore , cd40 ligation of a hla-a2+ , melana/mart1+ mm cell line enhanced its susceptibility to specific lysis by a hla-a2-restricted , melana/mart-1-specific ctl clone .
O O B-protein_molecule O O O B-cell_line I-cell_line I-cell_line B-tissue O O O O O O O O O O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O