Lipid reactive oxygen species

Lipid reactive oxygen species are chemically reactive molecules that derive from the oxidation of lipids by reactive oxygen species during processes like lipid peroxidation. These include lipid hydroperoxides and various reactive electrophilic fragments. They play a dual biological role: low levels may regulate cell signaling and homeostasis, but excess production leads to membrane damage and is a key executioner of ferroptosis—a regulated, non-apoptotic cell death dependent on iron and characterized by overwhelming lipid peroxidation. Disrupted regulation of lipid ROS and peroxidation is implicated in diverse diseases including cancer, neurodegeneration, cardiovascular disease, and inflammatory conditions[1][5][7]. In summary: "Lipid reactive oxygen species" refers to a *reactive chemical process* rather than an actionable molecular target. It plays pivotal roles in oxidative cell death, especially ferroptosis, but lacks the molecular specificity required for canonical target status.

Other names

Lipid ROSlipid peroxideslipid-derived reactive oxygen specieslipid hydroperoxides

Antioxidants inhibit formation of lipid ROS and thereby prevent ferroptosis and oxidative cell death. Lipid peroxidation inhibitors directly scavenge lipid radicals or disrupt chain propagation.