The subsequent qPCR analysis of FFPE RP samples from patients with HRPC with and without CR after post-RP BCR revealed that the expression levels of snRNA RNU1-1/1-2 and RNU4-1 (designated as prostate cancer-associated snRNAs) were significantly higher in patients with CR than in patients without CR (Figure 2). The gene discussed is BCR; the disease is prostate carcinoma.