Journal
AGEING RESEARCH REVIEWS
Volume 44, Issue -, Pages 33-48Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.arr.2018.03.005
Keywords
Reactive oxygen species; Antioxidants; Redox signaling; Longevity; Drosophila melanogaster; Caenorhabditis elegans
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Funding
- IWT-Flanders
- KU Leuven internal funds [C14/45/049]
- FWO Flanders [G052217N]
- KU Leuven Research Fund
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Antioxidants were long predicted to have lifespan-promoting effects, but in general this prediction has not been well supported. While some antioxidants do seem to have a clear effect on longevity, this may not be primarily as a result of their role in the removal of reactive oxygen species, but rather mediated by other mechanisms such as the modulation of intracellular signaling. In this review we discuss peroxiredoxins, a class of proteinaceous antioxidants with redox signaling and chaperone functions, and their involvement in regulating longevity and stress resistance. Peroxiredoxins have a clear role in the regulation of lifespan and survival of many model organisms, including the mouse, Caenorhabditis elegans and Drosophila melanogaster. Recent research on peroxiredoxins in these models and beyond has revealed surprising new insights regarding the interplay between peroxiredoxins and longevity signaling, which will be discussed here in detail. As redox signaling is emerging as a potentially important player in the regulation of longevity and aging, increased knowledge of these fascinating antioxidants and their mode(s) of action is paramount.
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