Persistent red blood cells retain their ability to move in microcapillaries under high levels of oxidative stress Communications Biology Nitric Oxide in Plants: The Roles of Ascorbate and Hemoglobin PLOS One Red blood cells contain enzymatically active GPx4 whose abundance anticorrelates with hemolysis during blood bank storage ScienceDirect Glutathione reductase Wikipedia Glutathione reductase Wikipedia The glutathione peroxidase Gpx4 prevents lipid peroxidation and ferroptosis to sustain Treg cell activation and suppression of antitumor immunity: Cell Reports