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- W2147954704 abstract "SIRT3 is a member of the sirtuin family of protein deacetylases that is preferentially localized to mitochondria. Prominent among the proteins targeted by SIRT3 are enzymes involved in energy metabolism processes, including the respiratory chain, tricarboxylic acid cycle, fatty acid β-oxidation and ketogenesis. Through these actions, SIRT3 controls the flow of mitochondrial oxidative pathways and, consequently, the rate of production of reactive oxygen species. In addition, SIRT3-mediated deacetylation activates enzymes responsible for quenching reactive oxygen species, and thereby exerts a profound protective action against oxidative stress-dependent pathologies, such as cardiac hypertrophy and neural degeneration. SIRT3 also plays a role in multiple additional metabolic processes, from acetate metabolism to brown adipose tissue thermogenesis, often by controlling mitochondrial pathways through the deacetylation of target enzymes. In general, SIRT3 activity and subsequent control of enzymes involved in energy metabolism is consistent with an overall role of protecting against age-related diseases. In fact, experimental and genetic evidence has linked SIRT3 activity with increased lifespan. In the coming years, the identification of drugs and nutrients capable of increasing SIRT3 expression or modulating SIRT3 activity can be expected to provide promising strategies for ameliorating the metabolic syndrome and other oxidative stress-related diseases that appear preferentially with aging, such as cancer, cardiac dysfunction and neural degeneration." @default.
- W2147954704 created "2016-06-24" @default.
- W2147954704 creator A5003437583 @default.
- W2147954704 creator A5068360094 @default.
- W2147954704 date "2012-04-26" @default.
- W2147954704 modified "2023-10-17" @default.
- W2147954704 title "SIRT3, a pivotal actor in mitochondrial functions: metabolism, cell death and aging" @default.
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- W2147954704 doi "https://doi.org/10.1042/bj20120030" @default.
- W2147954704 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/22533670" @default.
- W2147954704 hasPublicationYear "2012" @default.
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