Cited by 42Genetics, Aging, and Longevity in Model OrganismsMitochondrial Function and PathologySirtuins and Resveratrol in Medicine

Facts and controversies in our understanding of how caloric restriction impacts the mitochondrion

Gouspillou, Gilles, Hepple, Russell T.·2013·Experimental Gerontology

Abstract

Caloric restriction (CR) has pronounced benefits in promoting healthy aging. Amongst the most frequently implicated physiological mechanisms implicated in this benefit is altered mitochondrial function. Whereas a reduction in mitochondrial reactive oxygen species (ROS) production is a widely consistent effect of CR, an increase in mitochondrial biogenesis, which is accepted by many as fact, is contradicted on several levels, most critically by a lack of increase in mitochondrial protein synthesis rate in vivo. Furthermore, an increase in PGC-1α protein and markers of mitochondrial content with CR is a highly variable observation between studies. On the other hand, deacetylation of several mitochondrial proteins by the sirtuin, Sirt3, is an increasingly reported observation and at least so far, this observation is consistent between studies. Notwithstanding this point, the controversies evident in the published literature underscore the significant questions that remain in our understanding of how CR impacts the mitochondrion and suggest we have yet to fully understand the complexities herein.

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Crossref · 10.1016/j.exger.2013.03.004

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Authors
Gouspillou, G., & Hepple, R. T.
Affiliations
McGill University Health Centre (CA)
Corresponding author
Hepple, Russell T.
Venue
Experimental Gerontology
Publisher
Elsevier BV
Published
2013-10
Volume
48
Issue
10
Pages
1075-1084
ISSN
0531-5565 (ISSN-L)
OpenAlex
W2078444226
Cited by
42
References
118
Citations by year
2026: 2 · 2025: 1 · 2023: 1 · 2022: 2 · 2021: 4 · 2020: 4 · 2019: 6 · 2017: 5 · 2016: 3 · 2015: 5 · 2014: 7 · 2013: 2
FWCI
0.35
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Gerontology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Canadian Institutes of Health Research (MOP57808, MOP119583)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
Keywords
caloric restriction, mitochondrial function, healthy aging, mitochondrial biogenesis, mitochondrial reactive oxygen species, PGC-1α, SIRT3, mitochondrial translation, mitochondrial content
MeSH terms
Aging, Animals, Cardiolipins, DNA, Mitochondrial, Humans, Mitochondria, Reactive Oxygen Species, Caloric Restriction, Sirtuins, Rats, Mitochondrial Turnover

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