PSMB9 and uterine cervix neoplasm: Based on the available immunohistochemistry (IHC) data on cervical tumor samples (n = 12) (15), most of tested tissues were positive for protein expression of HLA-B, HLA-DMA, HLA-DOA, HLA-DRA, HLA-DRB5, B2M, PSMB8, PSMB9, TAP1, and TAP2 (Figure 2B).