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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Destruction Of Biological Tetrapyrrole Macrocycles By Hypochlorous Acid And Its Scavenging By Lycopene, Dhiman Maitra
Wayne State University Dissertations
Hypochlorous acid (HOCl) is a potent oxidant generated by the hemoprotein myeloperoxidase. Although HOCl plays an important role in the innate immune response,sustained high levels of HOCl has been implicated to play a harmful role. In several pathological conditions such as atherosclerosis, endometriosis and sickle cell disease where HOCl is elevated there are reports of significant free iron accumulation. Free iron is toxic since it can lead to the generation of other secondary free radicals such as hydroxyl radical by Fenton reaction. The exact source and mechanism by which the free iron is generated is not clearly understood. This ...