A new selenium pill that saves brain cells from rusting
Small molecule selenium-based Glutathione Peroxidase 4 mimetic inhibits lipid peroxidation and protects cultured neurons from ferroptosis.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Compd. 5 works independently of glutathione, the body’s primary antioxidant.
For decades, scientists assumed all GPX4-like activity required glutathione—this study proves a synthetic molecule can bypass it entirely.
Practical Takeaways
Support brain health with selenium-rich foods (Brazil nuts, fish, eggs) to naturally boost GPX4 activity—this study shows why it matters.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Compd. 5 works independently of glutathione, the body’s primary antioxidant.
For decades, scientists assumed all GPX4-like activity required glutathione—this study proves a synthetic molecule can bypass it entirely.
Practical Takeaways
Support brain health with selenium-rich foods (Brazil nuts, fish, eggs) to naturally boost GPX4 activity—this study shows why it matters.
Publication
Journal
Free radical biology & medicine
Year
2025
Authors
Bidare N Sharathbabu, S. Shivangi, A. V, Balakumaran Annaraj, G. Mugesh
Related Content
Claims (6)
Selenium is a nutrient necessary for the body to produce glutathione, a molecule that helps lower levels of oxidative stress and inflammation in cells.
A specific chemical compound, Compound 5, can prevent a form of cell death called ferroptosis in nerve cells even when a key protective molecule, glutathione, is absent. This suggests it works through a different biological pathway than the known glutathione-dependent system.
A specific selenium-containing compound can replicate the ability of the enzyme GPX4 to reduce lipid hydroperoxides in neurons grown in laboratory cultures, and it does so through a different biochemical pathway than other selenium compounds that target hydrogen peroxide.
A synthetic selenium compound reduces specific lipid damage in human brain cells grown in the lab and prevents cell death caused by oxidative stress and nutrient deprivation by chemically breaking down a harmful lipid molecule.
In laboratory-grown nerve cells, Compound 5 reduces cell death caused by ferroptosis more effectively than Ebselen, when cell death is triggered by several different chemical agents.