Visual Field Test Logo

Gpx4

Deep research and expert guides on maintaining your visual health.

Free Visual Field Screening

Don't Wait โ€” Screen Your Vision Today

Visual field loss from conditions like glaucoma can go unnoticed. Start a free trial and screen for potential blind spots in minutes.

GPX4

GPX4 is the short name for glutathione peroxidase 4, a small but powerful enzyme that helps protect cells from damage. It acts like a cleanup crew inside cells by using a helper molecule called glutathione to neutralize harmful fats that have been chemically altered by oxygen, known as lipid peroxides. By removing those damaged lipids, GPX4 prevents a specific form of cell death caused by unchecked lipid oxidation. This protective role is especially important in tissues that are rich in fats or that experience a lot of oxidative stress, such as the brain, reproductive organs, and parts of the eye. When GPX4 levels are low or the enzyme doesn't work properly, cells can undergo programmed destruction, inflammation can increase, and organs can be harmed. Because of that, scientists study GPX4 closely as a potential point to prevent or treat conditions where cell death and oxidative damage are central problems. Research into GPX4 might lead to new treatments that boost its activity or replace its function to keep cells alive under stress. While GPX4 itself is a complex biochemical player, the basic idea is simple: it helps stop a dangerous chain reaction that would otherwise ruin cell membranes and lead to cell loss. Understanding and supporting GPX4 function is therefore important for protecting tissue health and preventing disease.