Genes negatively correlated with MATR3, including GADD45GIP1, MRPL23 (RPL23L), MRPL41, MRPS15, RPS15, NDUFS8, C19orf53, BLOC1S1, and SERF2 were all significantly associated with poor OS when overexpressed in ccRCC (Figure S4). Here, MATR3 is linked to nonpapillary renal cell carcinoma.