Biological significance of phospholipid hydroperoxide glutathione peroxidase (PHGPx, GPx4) in mammalian cells

H Imai, Y Nakagawa - Free Radical Biology and Medicine, 2003 - Elsevier
Reactive oxygen species (ROS) are known mediators of intracellular signal cascades.
Excessive production of ROS may lead to oxidative stress, loss of cell function, and cell …

Transgenic mice overexpressing glutathione peroxidase 4 are protected against oxidative stress-induced apoptosis

Q Ran, H Liang, M Gu, W Qi, CA Walter… - Journal of Biological …, 2004 - ASBMB
Glutathione peroxidase 4 (Gpx4) is uniquely involved in the detoxification of oxidative
damage to membrane lipids. Our previous studies showed that Gpx4 is essential for mouse …

Glutathione peroxidase-1 in health and disease: from molecular mechanisms to therapeutic opportunities

E Lubos, J Loscalzo, DE Handy - 2011 - liebertpub.com
Reactive oxygen species, such as superoxide and hydrogen peroxide, are generated in all
cells by mitochondrial and enzymatic sources. Left unchecked, these reactive species can …

Delineating the role of glutathione peroxidase 4 in protecting cells against lipid hydroperoxide damage and in Alzheimer's disease

MH Yoo, X Gu, XM Xu, JY Kim, BA Carlson… - Antioxidants & redox …, 2010 - liebertpub.com
Numerous studies characterizing the function of glutathione peroxidase 4 (GPx4) have
demonstrated that this selenoenzyme is protective against oxidative stress. Herein, we …

The role of glutathione peroxidase-1 in health and disease

DE Handy, J Loscalzo - Free Radical Biology and Medicine, 2022 - Elsevier
Abstract Glutathione peroxidase 1 (GPx1) is an important cellular antioxidant enzyme that is
found in the cytoplasm and mitochondria of mammalian cells. Like most selenoenzymes, it …

Research progress of glutathione peroxidase family (GPX) in redoxidation

J Pei, X Pan, G Wei, Y Hua - Frontiers in pharmacology, 2023 - frontiersin.org
Maintaining the balance of a cell's redox function is key to determining cell fate. In the critical
redox system of mammalian cells, glutathione peroxidase (GPX) is the most prominent …

Glutathione peroxidases

R Brigelius-Flohé, M Maiorino - … et Biophysica Acta (BBA)-General Subjects, 2013 - Elsevier
BACKGROUND: With increasing evidence that hydroperoxides are not only toxic but rather
exert essential physiological functions, also hydroperoxide removing enzymes have to be re …

Metabolic regulation and function of glutathione peroxidase-1

XG Lei, WH Cheng, JP McClung - Annu. Rev. Nutr., 2007 - annualreviews.org
Abstract Glutathione peroxidase-1 (GPX1) represents the first identified mammalian
selenoprotein, and our understanding in the metabolic regulation and function of this …

Physiological role of phospholipid hydroperoxide glutathione peroxidase in mammals

M Conrad, M Schneider, A Seiler, GW Bornkamm - 2007 - degruyter.com
The redox enzyme phospholipid hydroperoxide glutathione peroxidase (PHGPx) has
emerged as one of the most significant selenoenzymes in mammals, corroborated by early …

Mitochondrial phospholipid hydroperoxide glutathione peroxidase plays a major role in preventing oxidative injury to cells

M Arai, H Imai, T Koumura, M Yoshida, K Emoto… - Journal of Biological …, 1999 - ASBMB
Phospholipid hydroperoxide glutathione peroxidase (PHGPx) is synthesized as a long form
(L-form; 23 kDa) and a short form (S-form; 20 kDa). The L-form contains a leader sequence …