Similarly, studies have shown that self‐antigens can be eluted from HLA‐DRB1*15: 01 molecules on the surface of antigen‐presenting cells, which could prime autoproliferative and autoreactive T‐cell responses in MS; however, it is not understood how EBV infection of B cells may influence surface presentation of antigens.94, 95. Here, HLA-DRB1 is linked to myeloid sarcoma.