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 Glutathione Peroxidase 2 an overview ScienceDirect Topics The glutathione peroxidase Gpx4 prevents lipid peroxidation and ferroptosis to sustain Treg cell activation and suppression of antitumor immunity: Cell Reports Selective Small Molecule Activator of Patient Derived GPX4 Variant ACS Chemical Biology Glutathione Peroxidase 2 Recombinant Rabbit Monoclonal Antibody [JE40 HUABIO