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- W2767579170 abstract "Resveratrol is a promising chemical agent that treats multiple aging-related diseases and improves life span. While reactive oxygen species undoubtedly play ubiquitous roles in the aging process and resveratrol has been shown to be an effective antioxidant, the mechanism through which resveratrol acts against oxidative stress remains unknown. Here we show that resveratrol activates SIRT2 to deacetylate Prx1, leading to an increased H2O2 reduction activity and a decreased cellular H2O2 concentration. Knockdown of SIRT2 or Prx1 by RNA interference abrogates resveratrol’s ability to reduce the H2O2 level in HepG2 cells. Using purified SIRT2 and a Prx1 mutant harboring acetyllysine at position 27 (Prx1–27AcK), we show that resveratrol enhances SIRT2’s activity to deacetylate Prx1–27AcK, resulting in a significantly increased H2O2 reducing activity. Thus, SIRT2 and Prx1 are targets for modulating intracellular redox status in the therapeutic strategies for the treatment of aging-related disorders." @default.
- W2767579170 created "2017-11-17" @default.
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- W2767579170 date "2017-11-16" @default.
- W2767579170 modified "2023-10-15" @default.
- W2767579170 title "Resveratrol Exerts Antioxidant Effects by Activating SIRT2 To Deacetylate Prx1" @default.
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- W2767579170 doi "https://doi.org/10.1021/acs.biochem.7b00859" @default.
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