DUXAP9 and nonpapillary renal cell carcinoma: As shown in Table 2, among these pseudogene-miRNA pairs, only four interactions (DUXAP8-miR-29c-3p, DUXAP8-miR-92b-3p, DUXAP8-miR-500a-3p and DUXAP9-miR-29c-3p) demonstrated significantly negative relationship in ccRCC.