Shao et al. screened 10 ferroptosis-related markers (SP1, MYB, ALDH3A2, KEAP1, AIFM2, ITGB4, TGFBR1, MAP1LC3B, NOX4, and ZFP36), which could well predict the prognosis and immunotherapy of GC (Shao et al., 2021). The gene discussed is KEAP1; the disease is gastric cancer.