TJ. Glutathione peroxidase is an important enzyme in cellular antioxidant defense systems, detoxifying peroxides and hydroperoxides. As a component of the glutathione cycle, it protects the liver from reactive oxygen metabolites. Selenocysteine Full article: Mimetics of the Selenoenzyme Glutathione Peroxidase: Novel Structures and Unusual Catalytic Mechanisms Glutathione redox cycle dysregulation in Huntington's disease knock in striatal cells ScienceDirect Glutathione redox cycle. Glutathione (GSH) is synthesized from the Download Scientific Diagram Ascorbate and Glutathione: The Heart of the Redox Hub1 The glutathione cycle: Glutathione metabolism beyond the glutamyl cycle Bachhawat 2018 IUBMB Life Wiley Online Library