Examination of lymphoid tissues showed a low level of expression in a population of normal mande B lymphocytes but not in germinal center cells or plasma cells .
examination of lymphoid tissues showed a low level of expression in a population of normal mande b lymphocytes but not in germinal center cells or plasma cells .
O O B-tissue I-tissue O O O O O O O O O O O B-cell_line I-cell_line I-cell_line O O O B-cell_type I-cell_type I-cell_type O B-cell_type I-cell_type O