释义：
Glutathione peroxidase 4 (Gpx4) is 1 of 8 known glutathione peroxidases in mammals and Gpx4 is unique among Gpx isoforms as it is the only enzyme capable of reducing esterified oxidized fatty acids and cholesterol hydroperoxides.
谷胱甘肽过氧化物酶 4 (GPX4) 是哺乳动物体内已知的 8 种谷胱甘肽过氧化物酶之一，GPX4 是 GPX 异构体中唯一能够减少酯化氧化脂肪酸和胆固醇氢过氧化物的酶。