CNTN2 and adult T-cell leukemia/lymphoma: Synthetic oligopeptides (Tax11–19 LLFGYPVYV and Tax301–309 SFHSLHLLY) were created, based on the major epitopes of Tax-specific CTLs of ATLL patients post allo-hematopoietic stem cell transplantation (allo-HSCT) [213,214,215].