RNU4-25P and neoplasm: Five genes or ncRNAs were significantly upregulated in tumor compared to normal prostate tissue samples, including MYC, PRNCR1, RP11-382A18.3, POU5F1B and RNU4-25P, whereas one long non-coding RNA (lncRNA), RP11-255B23.1, was significantly downregulated in tumor compared to normal prostate tissue (p < 0.05).