The list of 10 genes again included the well-established prostate cancer markers KLK2, KLK3 (PSA), FOLH1 (PSMA), PSGR (OR51E2), STEAP2, NKX3.1 and Prostein), and also included NCAM2, SPON2 and HOXB13. This evidence concerns the gene HOXB13 and prostate cancer.