DHODH tangoing with GPX4 on the ferroptotic stage

Ferroptosis,an iron-dependent form of regulated cell death,is prevented by activity of the glutathione-dependent phospholipid hydroperoxidase GPX4(Glutathione peroxidase 4)in the cytosol and mitochondria,and by the glutathione-independent CoQ10 oxidoreductase FSP1 at the plasma membrane.In their recent paper published in Nature,Mao et al.report that DHODH(Dihydroorotate dehydrogenase)coordinates with GPX4 to block ferroptosis in the mitochondrial inner membrane by reducing ubiquinone to form ubiquinol in cancer cells,thus providing a novel targeted strategy for treating cancer.