To further study the role of 11 ROS-related genes in liver cancer, based on the UALCAN database, we found that CDKN2D, G6PD, GLRX, GSPPFKP, PRDX1, PRDX6, SRXN, and STK25 expression was higher in liver cancer tissues than that in adjacent normal tissues, and MSRA and OXSR1 expression was lower in liver cancer tissues compared with paired noncancerous tissues (P < 0.05) (Figure 15(a)). This evidence concerns the gene G6PD and liver cancer.