Reactive oxygen species-mediated oxidation

Reactive oxygen species-mediated oxidation is a biochemical process whereby reactive oxygen species (such as superoxide, hydrogen peroxide, and hydroxyl radicals) chemically modify biomolecules including DNA, proteins, and lipids through oxidative reactions. While excessive ROS-mediated oxidation can result in cellular damage, dysfunction, and contribute to a range of diseases (including cancer, cardiovascular and neurodegenerative disorders), tightly controlled ROS-mediated redox signaling is essential for normal physiological functions such as immune response and cell signaling. ROS are not molecular targets in the classical sense but are signaling molecules and mediators of oxidative modifications in diverse biological contexts[1][2][4][5][6][7]. Key points: This entity is not a distinct protein, receptor, enzyme, or similar canonical drug target but is a mechanism or process[1][2][4][5]. Drugs and interventions generally modulate ROS levels or enhance antioxidant defenses rather than directly targeting "ROS-mediated oxidation." ROS-mediated oxidative stress is implicated in many disease pathologies and is measured indirectly via biomarkers reflecting cumulative oxidative damage[2][6]. In summary, "Reactive oxygen species-mediated oxidation" refers to a pathophysiological and regulatory process rather than a discrete molecular target.

Other names

ROS-mediated oxidationROS-driven oxidationROS oxidationoxidation by reactive oxygen species

Antioxidant scavenging of ROS (e.g., by N-acetylcysteine, vitamin E, or glutathione precursors); Inhibition or activation of ROS-producing enzymes (e.g., NADPH oxidase inhibitors); Induction of antioxidant defense pathways (e.g., Nrf2 activators)