The expression of the selected mRNA targets (CXCL8, UHRF1, BRCA1, MCM10, and CDKN3) were analyzed in pool samples from collectives of normal kidney, primary ccRCC-M0 and primary ccRCC-M1 tissues by RT-qPCR. This evidence concerns the gene CXCL8 and nonpapillary renal cell carcinoma.