Fig. 3. Localization and function of glutathione peroxidase (Stawicki et al 2007) Download Table The Role of Hydrogen Peroxide in Controlling Plant Cell Signaling and Gene Expression Patterns Related to Stress and Defense Responses Inquiries Journal Glutathione Peroxidase: An Antioxidant Enzyme In Health And Disease The glutathione peroxidase Gpx4 prevents lipid peroxidation and ferroptosis to sustain Treg cell activation and suppression of antitumor immunity: Cell Reports