Among them, the expression of GYS1, NDUFA11, RPN1, and SLC7A11 were elevated in ccRCC samples, but the expression of LRPPRC, NCKAP1, NDUFS1, NUBPL, OXSM, and SLC3A2 were decreased in normal samples (Figure 2A). This evidence concerns the gene RPN1 and nonpapillary renal cell carcinoma.