All of the data supporting the findings of this study are available from the corresponding author. RNA-sequencing and scRNA-seq data described in the article have been deposited in the EMBL-EBI database and are accessible via accession number E-MTAB-16107 (bulk RNA-seq) and E-MTAB-16518 (scRNA-seq). Publicly available normalized and batch-adjusted RNA-sequencing data were obtained from GSE137122 (mouse TFH cells and non-TFH cells post-immunization). Source data are provided with this paper.
No new algorithms were developed for this Article. Processed data and analysis code are available from the corresponding author.
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Xu, C. et al. The glutathione peroxidase Gpx4 prevents lipid peroxidation and ferroptosis to sustain Treg cell activation and suppression of antitumor immunity. Cell Rep. 35, 109235 (2021).
Ma, X. et al. CD36-mediated ferroptosis dampens intratumoral CD8+ T cell effector function and impairs their antitumor ability. Cell Metab. 33, 1001–1012.e5 (2021).
Wang, Y. et al. The kinase complex mTORC2 promotes the longevity of virus-specific memory CD4+ T cells by preventing ferroptosis. Nat. Immunol. 23, 303–317 (2022).
Xu, S. et al. Uptake of oxidized lipids by the scavenger receptor CD36 promotes lipid peroxidation and dysfunction in CD8+ T cells in tumors. Immunity 54, 1561–1577.e1567 (2021).
Doll, S. et al. ACSL4 dictates ferroptosis sensitivity by shaping cellular lipid composition. Nat. Chem. Biol. 13, 91–98 (2017).
Bouillet, P. et al. BH3-only Bcl-2 family member Bim is required for apoptosis of autoreactive thymocytes. Nature 415, 922–926 (2002).
Article ADS CAS PubMed Google Scholar
Ashby, K. M. & Hogquist, K. A. A guide to thymic selection of T cells. Nat. Rev. Immunol. 24, 103–117 (2024).
Dixon, S. J. & Pratt, D. A. Ferroptosis: a flexible constellation of related biochemical mechanisms. Mol. Cell 83, 1030–1042 (2023).
Dixon, S. J. et al. Ferroptosis: an iron-dependent form of nonapoptotic cell death. Cell 149, 1060–1072 (2012).
Bersuker, K. et al. The CoQ oxidoreductase FSP1 acts parallel to GPX4 to inhibit ferroptosis. Nature 575, 688–692 (2019).
Article ADS CAS PubMed PubMed Central Google Scholar
Beatty, A. et al. Ferroptotic cell death triggered by conjugated linolenic acids is mediated by ACSL1. Nat. Commun. 12, 2244 (2021).
Ingold, I. et al. Selenium utilization by GPX4 is required to prevent hydroperoxide-induced ferroptosis. Cell 172, 409–422.e421 (2018).
Aldrovandi, M., Fedorova, M. & Conrad, M. Juggling with lipids, a game of Russian roulette. Trends Endocrinol. Metab. 32, 463–473 (2021).
Stockwell, B. R. Ferroptosis turns 10: Emerging mechanisms, physiological functions, and therapeutic applications. Cell 185, 2401–2421 (2022).
Dixon, S. J. & Olzmann, J. A. The cell biology of ferroptosis. Nat. Rev. Mol. Cell Biol. 25, 424–442 (2024).
Tang, D., Chen, X., Kang, R. & Kroemer, G. Ferroptosis: molecular mechanisms and health implications. Cell Res. 31, 107–125 (2021).
Mallapaty, S. Loss of Australia’s largest lab animal supplier will leave ‘huge gap’. Nature https://doi.org/10.1038/d41586-021-01896-x (2021).
Nielsen, F. H. The AIN-93 purified diets for laboratory rodents-the development of a landmark article in the Journal of Nutrition and its impact on health and disease research using rodent models. J. Nutr. 148, 1667–1670 (2018).
Reeves, P. G., Nielsen, F. H. & Fahey, G. C. Jr. AIN-93 purified diets for laboratory rodents: final report of the American Institute of Nutrition ad hoc writing committee on the reformulation of the AIN-76A rodent diet. J. Nutr. 123, 1939–1951 (1993).
NIH Specification: Open Formula Rat and Mouse Ration—18% Crude Protein Autoclavable (NIH-31). https://ors.od.nih.gov/sr/dvr/Documents/nih31-137j2004.pdf (2004).
Berndt, C. et al. Ferroptosis in health and disease. Redox Biol. 75, 103211 (2024).
Rooks, M. G. & Garrett, W. S. Gut microbiota, metabolites and host immunity. Nat. Rev. Immunol. 16, 341–352 (2016).
Wang, G. et al. Butyrate dictates ferroptosis sensitivity through FFAR2–mTOR signaling. Cell Death Dis. 14, 292 (2023).
Article PubMed PubMed Central Google Scholar
Liang, D., Minikes, A. M. & Jiang, X. Ferroptosis at the intersection of lipid metabolism and cellular signaling. Mol. Cell 82, 2215–2227 (2022).
Upadhyayula, P. S. et al. Dietary restriction of cysteine and methionine sensitizes gliomas to ferroptosis and induces alterations in energetic metabolism. Nat. Commun. 14, 1187 (2023).
Zhang, S. et al. Double-edge sword roles of iron in driving energy production versus instigating ferroptosis. Cell Death Dis. 13, 40 (2022).
Philpott, C. C., Patel, S. J. & Protchenko, O. Management versus miscues in the cytosolic labile iron pool: The varied functions of iron chaperones. Biochim. Biophys. Acta 1867, 118830 (2020).
Tallima, H. & El Ridi, R. Arachidonic acid: physiological roles and potential health benefits - A review. J. Adv. Res. 11, 33–41 (2018).
Fujino, T., Kang, M. J., Suzuki, H., Iijima, H. & Yamamoto, T. Molecular characterization and expression of rat acyl-CoA synthetase 3. J. Biol. Chem. 271, 16748–16752 (1996).
Kang, M. J. et al. A novel arachidonate-preferring acyl-CoA synthetase is present in steroidogenic cells of the rat adrenal, ovary, and testis. Proc. Natl Acad. Sci. USA 94, 2880–2884 (1997).
Magtanong, L. et al. Exogenous monounsaturated fatty acids promote a ferroptosis-resistant cell state. Cell Chem. Biol. 26, 420–432.e429 (2019).
Roelands, J. et al. Long-chain acyl-CoA synthetase 1 role in sepsis and immunity: perspectives from a parallel review of public transcriptome datasets and of the literature. Front. Immunol. 10, 2410 (2019).




