Non-specific reactive species and glycoxidation reactions (ROS/AGEs)

Non-specific reactive species and glycoxidation reactions represent a broad category of non-enzymatic chemical processes involving reactive oxygen species (ROS), reactive nitrogen species (RNS), and the formation of advanced glycation end-products (AGEs) (Sies, 2017, PubMed). These reactions are central to the concept of oxidative and carbonyl stress, where the autoxidation of sugars and lipids leads to the irreversible modification of proteins and nucleic acids (Baynes, 1991, PubMed). While reactive species play essential roles in physiological signal transduction and immune defense at low concentrations, their chronic elevation is a primary driver of tissue damage (NIH, 2023). This damage is strongly associated with the pathogenesis of diabetic complications, atherosclerosis, and neurodegenerative diseases such as Alzheimer's (StatPearls, 2023). Therapeutic approaches targeting these processes include the use of antioxidants to scavenge free radicals and specialized inhibitors to prevent the cross-linking of proteins by AGEs (PubChem). However, drug development in this area is complicated by the lack of a single molecular target and the potential for interfering with beneficial redox-sensitive signaling pathways (PubMed).

Other names

Reactive Oxygen SpeciesReactive Nitrogen SpeciesAdvanced Glycation End-productsOxidative stressCarbonyl stressGlycationMaillard reaction

Free radical scavenging, inhibition of the Maillard reaction, and sequestration of reactive carbonyl species (PubMed).