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The stabilization of S-nitrosothiols is critical for the development of assays to measure their concentration in tissues. Low-molecular-weight S-nitrosothiols are unstable in tissue homogenates, even in the presence of thiol blockers or metal-ion chelators. The aim of this study was to try and stabilize low-molecular-weight S-nitrosothiols in tissue and gain insight into the mechanisms leading to...
Peroxynitrite (oxoperoxonitrate(-l)), anion of peroxynitrous acid, is thought to mediate the toxic action of nitric oxide and superoxide anion. Peroxynitrite is formed in a fast reaction between these species, reacts with all classes of biomolecules, is cytotoxic, and is thought to be involved in many pathological phenomena. Its main reactions involve one- and two-electron oxidation and nitration...
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