Journal
SCIENCE
Volume 339, Issue 6116, Pages 211-214Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1227166
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- Gladstone Institutes
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Concentrations of acetyl-coenzyme A and nicotinamide adenine dinucleotide (NAD(+)) affect histone acetylation and thereby couple cellular metabolic status and transcriptional regulation. We report that the ketone body D-beta-hydroxybutyrate (beta OHB) is an endogenous and specific inhibitor of class I histone deacetylases (HDACs). Administration of exogenous beta OHB, or fasting or calorie restriction, two conditions associated with increased beta OHB abundance, all increased global histone acetylation in mouse tissues. Inhibition of HDAC by beta OHB was correlated with global changes in transcription, including that of the genes encoding oxidative stress resistance factors FOXO3A and MT2. Treatment of cells with beta OHB increased histone acetylation at the Foxo3a and Mt2 promoters, and both genes were activated by selective depletion of HDAC1 and HDAC2. Consistent with increased FOXO3A and MT2 activity, treatment of mice with beta OHB conferred substantial protection against oxidative stress.
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