HLA-A and prostate cancer: As shown in Figure 8, CTLs induced from PBMCs of HLA-A*2402-positive prostate cancer patients (cases 3, 4 and 5) with AMACR peptides exerted cytotoxic activity against LNCaP-A*2402 and DU145-A*2402 cells but not against LNCaP and DU145 cells.