Cited by 787Sirtuins and Resveratrol in MedicineAdipose Tissue and MetabolismAutophagy in Disease and Therapy

SIRT3 deficiency and mitochondrial protein hyperacetylation accelerate the development of the metabolic syndrome

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Hirschey, Matthew D., Shimazu, Tadahiro, Jing, Enxuan, Grueter, Carrie A., Collins, Amy M., Aouizerat, Bradley, Stančáková, Alena, Goetzman, Eric +13 more·2011·Molecular Cell

Abstract

Acetylation is increasingly recognized as an important metabolic regulatory posttranslational protein modification, yet the metabolic consequence of mitochondrial protein hyperacetylation is unknown. We find that high-fat diet (HFD) feeding induces hepatic mitochondrial protein hyperacetylation in mice and downregulation of the major mitochondrial protein deacetylase SIRT3. Mice lacking SIRT3 (SIRT3KO) placed on a HFD show accelerated obesity, insulin resistance, hyperlipidemia, and steatohepatitis compared to wild-type (WT) mice. The lipogenic enzyme stearoyl-CoA desaturase 1 is highly induced in SIRT3KO mice, and its deletion rescues both WT and SIRT3KO mice from HFD-induced hepatic steatosis and insulin resistance. We further identify a single nucleotide polymorphism in the human SIRT3 gene that is suggestive of a genetic association with the metabolic syndrome. This polymorphism encodes a point mutation in the SIRT3 protein, which reduces its overall enzymatic efficiency. Our findings show that loss of SIRT3 and dysregulation of mitochondrial protein acetylation contribute to the metabolic syndrome.

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Crossref · 10.1016/j.molcel.2011.07.019

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  • Sirt3 knockout mice develop multiple elements of the metabolic syndrome with aging.

    “These animals also develop multiple elements of the metabolic syndrome with aging (Hirschey et al., 2011).”

    From Lipid-Induced Mitochondrial Stress and Insulin Action in Muscle (2012) · cites this paper as Hirschey et al., 2011

  • Higher NAD+ levels promote the deacetylase and deacylase activity of nuclear SIRT1 and mitochondrial SIRT3, which regulate mitochondrial function and protect from high-fat diet-induced metabolic disease.

    “Additionally, higher NAD+ levels can promote the deacetylase and deacylase activity of both nuclear SIRT1 and mitochondrial SIRT3, which regulate mitochondrial function and protect from high-fat diet-induced metabolic disease42,81,85–88.”
  • The V208I mutation increases the KM of SIRT3 for NAD+ and reduces the Vmax toward peptide substrate, reducing catalytic efficiency and creating a ~1.4-fold increase in risk for metabolic syndrome.

    “The V208I mutation caused by this polymorphism both increased the KM of SIRT3 for NAD+ and reduced the Vmax of the enzyme towards peptide substrate, reducing overall catalytic efficiency and mimicking the effects of reduced SIRT3 expression at the whole-body level and creating a ~1.4-fold increase in risk for metabolic syndrome ((Hirschey et al. 2011)).”
  • SIRT3 knockout mice exhibit metabolic changes similar to those observed in human metabolic syndrome.

    “SIRT3 knockout mice exhibit metabolic changes similar to those observed in the human metabolic syndrome ((Hirschey et al. 2011);(Jing et al. 2013)), and a human SIRT3 polymorphism associated with reduced SIRT3 deacetylase activity is associated with increased risk of metabolic syndrome in humans ((Hirschey et al. 2011).”
  • A SIRT3 polymorphism previously linked to metabolic syndrome was identified in a cohort of 162 patients and controls.

    “via identification of a SIRT3 polymorphism previously associated with metabolic syndrome ((Hirschey et al. 2011) in a cohort of 162 patients and controls.”

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Authors
Hirschey, M. D., Shimazu, T., Jing, E., Grueter, C. A., Collins, A. M., Aouizerat, B., Stančáková, A., Goetzman, E., Lam, M. M., Schwer, B., Stevens, R. D., Muehlbauer, M. J., Kakar, S., Bass, N. M., Kuusisto, J., Laakso, M., Alt, F. W., Newgard, C. B., Farese, R. V., Kahn, C. R., & Verdin, E.
Affiliations
  • Gladstone Institutes (US)
  • Joslin Diabetes Center (US)
  • University of California, San Francisco (US)
  • University of Eastern Finland (FI)
  • University of Pittsburgh (US)
  • San Francisco VA Medical Center (US)
  • Duke University (US)
  • Howard Hughes Medical Institute (US)
Corresponding author
Verdin, Eric
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2011-10
Volume
44
Issue
2
Pages
177-190
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2040625305
Cited by
787
References
81
Citations by year
2026: 26 · 2025: 29 · 2024: 35 · 2023: 38 · 2022: 53 · 2021: 74 · 2020: 59 · 2019: 65 · 2018: 75 · 2017: 52 · 2016: 77 · 2015: 52 · 2014: 49 · 2013: 63 · 2012: 34
FWCI
23.03
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institute of Diabetes and Digestive and Kidney Diseases (U01DK061730, R24DK085610, U24DK059637, R03DK088870, K01DK076573, P30DK026743, U01DK061731, U01DK061713, U01DK061728, U01DK061737, U01DK061732, U01DK061734, U01DK061718, U01DK061738)
  • National Center for Research Resources (UL1RR024989, M01RR000750, KL2RR024130, M01RR020359, M01RR000065, M01RR000188, UL1RR025741, M01RR000827)
Topics
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
Keywords
SIRT3, mitochondrial protein acetylation, metabolic syndrome, high-fat diet, hepatic steatosis, insulin resistance, hyperlipidemia, obesity, stearoyl-CoA desaturase 1, SIRT3 knockout mice, single nucleotide polymorphisms, post-translational modification
MeSH terms
Acetylation, Animals, Humans, Models, Biological, Mice, Knockout, Mitochondrial Proteins, Metabolic Syndrome, Mice, Sirtuin 3, Diet, High-Fat

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