Among them, 8 DRGs (NDUFS1, NDUFA11, OXSM, LRPPRC, NCKAP1, RPN1, SLC3A2, and SLC7A11) displayed a marked differential expression pattern between CRC and normal tissues (P<0.05) (Figure 1A). Here, NCKAP1 is linked to colorectal carcinoma.