Nerve cell oxidative damage

Nerve cell oxidative damage is a pathological process rather than a specific molecular target, characterized by an imbalance between the production of reactive oxygen species (ROS) and the ability of neuronal antioxidant systems to neutralize them (Barnham et al., 2004, Nature Reviews Drug Discovery). Neurons are uniquely susceptible to this damage due to their high metabolic rate, high oxygen consumption, and high concentration of polyunsaturated fatty acids, which are prone to lipid peroxidation (Cobley et al., 2018, Frontiers in Physiology). This oxidative environment leads to the degradation of DNA, proteins, and lipids, ultimately triggering apoptotic pathways and contributing to the progression of neurodegenerative diseases like Alzheimer's and Parkinson's (Uttara et al., 2009, Current Neuropharmacology). While not a single receptor or enzyme, this process is a major focus of therapeutic intervention, with drugs like Edaravone designed to scavenge free radicals and mitigate neuronal loss in conditions such as Amyotrophic Lateral Sclerosis (ALS) (Writing Group; Edaravone (MCI-186) ALS Study Group, 2017, Lancet Neurology). Biotech development in this area often targets specific pathways that contribute to oxidative stress, such as mitochondrial dysfunction or the Nrf2-mediated antioxidant response, rather than the damage itself as a singular entity.

Other names

Neuronal oxidative stressOxidative injury in neuronsROS-mediated neurodegenerationOxidative neuronal damage

Scavenging of reactive oxygen species (ROS) and reactive nitrogen species (RNS), inhibition of lipid peroxidation, and activation of the Nrf2-ARE signaling pathway to upregulate endogenous antioxidant enzymes.