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Peroxyl radical

Molecular classification: Free radical, Reactive oxygen species (ROS)

Overview

The peroxyl radical (ROO•) is a highly reactive oxygen-centered free radical that plays a significant role in oxidative stress and damage within biological systems. It is a key intermediate in lipid peroxidation and can also modify proteins and DNA, contributing to various diseases and aging processes. While not a direct therapeutic target, its formation and downstream effects are often modulated by antioxidant systems and other protective mechanisms.

Biological functions

Lipid peroxidationProtein oxidationDNA oxidationOxidative stressSignal transduction

Disease associations

AgingCancerNeurodegenerative diseaseCardiovascular diseaseInflammation

Safety considerations

Cellular damageTissue damagePropagation of oxidative stress

Biomarkers

Malondialdehyde4-Hydroxynonenal

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