Peroxiredoxins and sports: new insights on the antioxidative defense

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Peroxiredoxins (PRDXs) are multifunctional proteins that have recently received much attention. They are part of the endogenous antioxidative capacity and function as efficient scavengers, especially for hydrogen peroxides. Studies show that physical training can induce an upregulation of PRDX isoform contents in the long term. This might help counteract chronic diseases that are causally linked to a high amount of free radicals, e.g., diabetes mellitus. Furthermore, it has been demonstrated that PRDX can overoxidize under pathological conditions during acute exercise. Overoxidized PRDXs could be useful because they act as protective chaperones. Taken together, it can be speculated that physical activity has a positive effect on the PRDX system and thereby prevents cells from free radical-induced damage.

Original languageEnglish
JournalThe journal of physiological sciences : JPS
Volume63
Issue number1
Pages (from-to)1-5
Number of pages5
DOIs
Publication statusPublished - 01.01.2013

ID: 166072

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