All animal procedures were approved by the Animal Care and Use Committee of Zhejiang University. The generation of Ripk3−/−, Mlkl−/−, Fadd−/−Mlkl−/−, and Nrf2−/− mice (17 (link), 49 (link), 50 (link)), LC/MS analysis, iron assay, and methods used in surgery, drug treatment, cell culture, histology, lipid peroxidation detection, and mitochondria isolation are provided in SI Appendix, SI Materials and Methods. Except where indicated otherwise, all summary data are presented as the mean ± SEM. The Student’s t test was used to compare two groups, and the log-rank test was used to analyze the survival curves. Differences with a P value of <0.05 were considered statistically significant.