Down-regulation of immunogenic proteins ( EBNA2-EBNA6 ) in nasal lymphoma may enable tumour cells to evade host cytotoxic T-cell surveillance .
down-regulation of immunogenic proteins ( ebna2-ebna6 ) in nasal lymphoma may enable tumour cells to evade host cytotoxic t-cell surveillance .
O O B-protein_family_or_group I-protein_family_or_group O B-protein_family_or_group O O O O O O B-cell_type I-cell_type O O O B-other_name I-other_name I-other_name O