Cellular oxidative damage in erythrocytes

Cellular oxidative damage in erythrocytes refers to the biochemical degradation of red blood cell components, including hemoglobin, membrane lipids, and structural proteins, caused by reactive oxygen species (ROS) (Mohanty et al., 2014). Because erythrocytes are primary oxygen transporters and contain high concentrations of iron, they are inherently susceptible to oxidative stress through reactions like the Fenton reaction (Fibach & Rachmilewitz, 2008). This damage often manifests as the formation of methemoglobin, lipid peroxidation, and the cross-linking of membrane proteins, which collectively impair cell deformability and lead to premature clearance or hemolysis (Kanias et al., 2016). Pathologically, this process is a hallmark of conditions such as sickle cell disease, thalassemia, and glucose-6-phosphate dehydrogenase (G6PD) deficiency (StatPearls, 2023). While oxidative damage itself is a pathological state rather than a single protein target, therapeutic strategies often focus on modulating the enzymes and pathways that maintain redox homeostasis, such as glutathione peroxidase and the pentose phosphate pathway. Drugs like L-glutamine and various antioxidants are utilized to mitigate these effects and improve erythrocyte survival in clinical settings (Mohanty et al., 2014).

Other names

Erythrocyte oxidative stressRed blood cell oxidative damageRBC lipid peroxidationOxidative hemolysis

Reduction of reactive oxygen species, replenishment of intracellular glutathione pools, and chelation of pro-oxidant iron to prevent lipid peroxidation and protein carbonylation (Mohanty et al., 2014; Fibach & Rachmilewitz, 2008).