PRNP and colorectal carcinoma: In addition, the results of GEPIA analysis showed that the low expression of AURKA, LPCAT3, and TP53 and the high expression of CDKN2A, GPX4, PRNP, SLC7A11, and TFRC are more likely to encounter CRC patients death earlier and shorten survival time (Figure 4, p<0.05).