Abcam, ab41787, Anti-Glutathione Peroxidase 4 antibody

Size: 100µg
Rabbit Polyclonal Glutathione Peroxidase 4 antibody. Suitable for WB and reacts with Human samples. Cited in 56 publications.
Key facts
Host species:Rabbit,
Clonality:Polyclonal,
Isotype:IgG,
Carrier free:No,
Reacts with:Human,
Applications:WBSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:The exact immunogen used to generate this antibody is proprietary information.

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification Immunogen, Storage buffer-pH: 7.4Preservative: 0.02% Sodium azideConstituents: PBS, 1% BSA, Shipped at conditions-Blue Ice, Appropriate short-term storage duration-1-2 weeks, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
Glutathione Peroxidase 4 (GPX4) also known as PHGPx acts as an important enzyme in protecting cells from oxidative damage by reducing lipid hydroperoxides to their alcohols and free hydrogen peroxide to water. It has a mass of approximately 20 kDa. GPX4 is widely expressed in various tissues including the brain testis kidney and liver underlining its significance in different physiological processes. GPX4 is essential in cellular anti-oxidant defense making it a potential marker in studies using GPX4 western blot techniques.
Biological function summary
GPX4 plays an important role in protecting cellular membranes from lipid peroxidation by acting alone which differentiates it from other glutathione peroxidases that work in a complex. It is necessary for the production of glutathione products and helps maintain redox homeostasis by converting glutathione peroxides. This action prevents cell death pathways linked to oxidative stress and ensures cellular integrity particularly in sensitive tissues like the brain and reproductive organs.
Pathways
GPX4 integrates into important cellular antioxidant pathways. Specifically it functions within the glutathione metabolic pathway collaborating with related proteins like glutathione synthetase and glutathione reductase. GPX4 is also involved in ferroptosis regulation a cell death pathway critically linked to glutathione levels. It helps balance redox-sensitive signaling and metabolic activities demonstrating synergy with other antioxidant enzymes in the cellular response to oxidative stress.
Research connects GPX4 deficiency to neurological disorders and cancer. Its important antioxidative activity makes it significant in preventing neurodegenerative diseases such as Alzheimer's where it interacts with proteins like PINK1. GPX4 also shows relevance in cancer as its altered expression may increase vulnerability to cell death suggesting its potential role in chemotherapy resistance and therapy development.