Compared to normal tissues, the expression levels of SP1, MYB, KEAP1, AIFM2, ITGB4, TGFBR1, MAP1LC3B, and NOX4 were significantly upregulated, while the expression of ALDH3A2 and ZFP36 was downregulated in GC tumor tissues in the training group (Figure 8(a)). Here, NOX4 is linked to gastric cancer.