Cited by 788Sirtuins and Resveratrol in MedicineMitochondrial Function and PathologyAutophagy in Disease and Therapy

SIRT3 is a mitochondria-localized tumor suppressor required for maintenance of mitochondrial integrity and metabolism during stress

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Kim, Hyun-Seok, Patel, Krish, Muldoon-Jacobs, Kristi, Bisht, Kheem S., Aykin-Burns, Nukhet, Pennington, J. Daniel, van der Meer, Riet, Nguyen, Phuongmai +10 more·2010·Cancer Cell

Abstract

The sirtuin gene family (SIRT) is hypothesized to regulate the aging process and play a role in cellular repair. This work demonstrates that SIRT3(-/-) mouse embryonic fibroblasts (MEFs) exhibit abnormal mitochondrial physiology as well as increases in stress-induced superoxide levels and genomic instability. Expression of a single oncogene (Myc or Ras) in SIRT3(-/-) MEFs results in in vitro transformation and altered intracellular metabolism. Superoxide dismutase prevents transformation by a single oncogene in SIRT3(-/-) MEFs and reverses the tumor-permissive phenotype as well as stress-induced genomic instability. In addition, SIRT3(-/-) mice develop ER/PR-positive mammary tumors. Finally, human breast and other human cancer specimens exhibit reduced SIRT3 levels. These results identify SIRT3 as a genomically expressed, mitochondria-localized tumor suppressor.

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Integrity signals

Registry

Crossref · 10.1016/j.ccr.2009.11.023

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  • Cells from SIRT3 knockout mice were highly susceptible to oncogenic transformation, but this susceptibility depended on elevated ROS characteristic of sirt3−/− cells.

    “Our finding that loss of SIRT3 loss drives senescence appears to contradict a report in which cells from SIRT3 knockout mice were highly susceptible to oncogenic transformation; however, this susceptibility depended on the elevated ROS characteristic of sirt3−/− cells (Kim et al., 2010).”

    From Mitochondrial Dysfunction Induces Senescence with a Distinct Secretory Phenotype (2016) · cites this paper as Kim et al., 2010

    The Results sections on transformation and SOD report that SIRT3−/− mouse embryonic fibroblasts were transformed by a single oncogene and that MnSOD prevented their immortalization by Myc or Ras alone. The claim overgeneralizes the ROS dependence: MnSOD did not prevent immortalization when the cells expressed both Myc and Ras. The paper also reports normal superoxide levels in unstressed knockout cells, rather than uniformly elevated levels. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • SIRT3 has been reported as pro-apoptotic, and SIRT3 loss is associated with a tumor-permissive environment via inhibition of ROS production.

    “SIRT3 has been reported as pro-apoptotic ((Allison and Milner 2007)) and SIRT3 loss is associated with a tumor-permissive environment via the inhibition of ROS production ((Kim et al. 2010);(Bell et al. 2011);(Finley et al. 2011)).”
  • SirT3 deficiency alone is sufficient for transformation of primary MEFs with Myc and/or RAS to form tumors in xenograft models.

    “Specifically, SirT3 deficiency alone is sufficient for the transformation of primary MEFs with Myc and/or RAS to from tumors in xenograft models.”
  • SirT3−/− Myc/Ras MEFs exhibit increased glycolysis, decreased oxidative phosphorylation, and increased ROS.

    “Kim and colleagues also demonstrated that SirT3−/− Myc/Ras MEFs exhibit increased glycolysis, decreased oxidative phosphorylation and increased ROS.”
  • SirT3 is a mitochondrial localized tumor suppressor.

    “Recently SirT3 was described to act as a mitochondrial localized tumor suppressor (Kim et al., 2010).”

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Authors
Kim, H.-S., Patel, K., Muldoon-Jacobs, K., Bisht, K. S., Aykin-Burns, N., Pennington, J. D., van der Meer, R., Nguyen, P., Savage, J., Owens, K. M., Vassilopoulos, A., Ozden, O., Park, S.-H., Singh, K. K., Abdulkadir, S. A., Spitz, D. R., Deng, C.-X., & Gius, D.
Affiliations
  • National Institutes of Health (US)
  • Roswell Park Comprehensive Cancer Center (US)
  • Vanderbilt University Medical Center (US)
  • University of Iowa (US)
Corresponding author
  • Deng, Chu-Xia
  • Gius, David
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2010-01
Volume
17
Issue
1
Pages
41-52
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2145755327
Cited by
785
References
35
Citations by year
2026: 11 · 2025: 30 · 2024: 35 · 2023: 20 · 2022: 44 · 2021: 49 · 2020: 44 · 2019: 47 · 2018: 48 · 2017: 56 · 2016: 71 · 2015: 53 · 2014: 61 · 2013: 74 · 2012: 67
FWCI
27.57
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Public Health Service (116430, R01 121904)
  • National Institute on Aging (F30AG030839)
  • National Cancer Institute (CA094858, CA123484, R01CA116430, R01CA094858, R01CA133114, R01CA100045, R01CA123484, R01CA121904, T32CA078586, P30CA086862)
Topics
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
Keywords
SIRT3, sirtuins, tumor suppressor, mitochondria, mitochondrial integrity, mitochondrial metabolism, superoxide, genomic instability, oncogenic transformation, c-Myc, Ras, superoxide dismutase, mammary tumors, breast cancer, cellular stress
MeSH terms
Aging, Animals, Breast Neoplasms, Cell Transformation, Neoplastic, Female, Fibroblasts, Humans, Immunohistochemistry, Mitochondria, Stress, Physiological, Superoxides, Genes, Tumor Suppressor, Mice, Knockout, Oxidative Stress, Mice, Sirtuin 3

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