Glutathione redox cycle dysregulation in Huntington's disease knock in striatal cells ScienceDirect Ascorbate and Glutathione: The Heart of the Redox Hub1 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 Influence of exogenous ascorbic acid and glutathione priming on mitochondrial structural and functional systems to alleviate aging damage in oat seeds BMC Plant Biology Springer Nature Link Glutathione: The Fountain of Youth Renew Health & Wellness Full article: Mimetics of the Selenoenzyme Glutathione Peroxidase: Novel Structures and Unusual Catalytic Mechanisms