Review Article

Measurement and Clinical Significance of Biomarkers of Oxidative Stress in Humans

Figure 3

Reversible oxidation of protein cysteine residues. GSH: glutathione; H2O2: hydrogen peroxide; O2•−: superoxide; RNS: reactive nitrogen species; RS: sulfur atom; −SO2H: sulfinic acid; −SO3H: sulfonic acid; −SOH: sulfenic acid.