Full article: First line defence antioxidants superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPX): Their fundamental role in the entire antioxidant defence grid First line defence antioxidants superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPX): Their fundamental role in the entire antioxidant defence grid ScienceDirect The antioxidant enzymatic system is made up of six enzymes: superoxide Download Scientific Diagram Extracellular Vesicle Mediated Delivery of Antioxidant Enzymes: Emerging Insights and Translational Opportunities