Oxidative stress biomarkers in a living cell Glutathione is such a critical soldier in our line of defense that our bodies make it themselves. We even have mechanisms that recycle and reuse it. But what happens when our toxic Glutathione Peroxidase 1 in Health and Disease: From Molecular Mechanisms to Therapeutic Opportunities Edith Lubos, Joseph Loscalzo, Diane E. Handy, 2011 Insights into the catalytic mechanism of synthetic glutathione peroxidase mimetics Organic & Biomolecular Chemistry (RSC Publishing) DOI:10.1039 C5OB01665G