Cited by 699Mitochondrial Function and PathologyGenetics, Aging, and Longevity in Model OrganismsAutophagy in Disease and Therapy

Calorie restriction induces mitochondrial biogenesis and bioenergetic efficiency

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López-Lluch, G., Hunt, N., Jones, B., Zhu, M., Jamieson, H., Hilmer, S., Cascajo, M. V., Allard, J. +3 more·2006·Proceedings of the National Academy of Sciences

Abstract

Age-related accumulation of cellular damage and death has been linked to oxidative stress. Calorie restriction (CR) is the most robust, nongenetic intervention that increases lifespan and reduces the rate of aging in a variety of species. Mechanisms responsible for the antiaging effects of CR remain uncertain, but reduction of oxidative stress within mitochondria remains a major focus of research. CR is hypothesized to decrease mitochondrial electron flow and proton leaks to attenuate damage caused by reactive oxygen species. We have focused our research on a related, but different, antiaging mechanism of CR. Specifically, using both in vivo and in vitro analyses, we report that CR reduces oxidative stress at the same time that it stimulates the proliferation of mitochondria through a peroxisome proliferation-activated receptor coactivator 1 alpha signaling pathway. Moreover, mitochondria under CR conditions show less oxygen consumption, reduce membrane potential, and generate less reactive oxygen species than controls, but remarkably they are able to maintain their critical ATP production. In effect, CR can induce a peroxisome proliferation-activated receptor coactivator 1 alpha-dependent increase in mitochondria capable of efficient and balanced bioenergetics to reduce oxidative stress and attenuate age-dependent endogenous oxidative damage.

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  1. Lane, M. A., Baer, D. J., Rumpler, W. V., Weindruch, R., Ingram, D. K., Tilmont, E. M., Cutler, R. G. & Roth, G. S. (1996) Proc. Natl. Acad. Sci. USA 93, 4159-4164.
  2. Gulick, T., Cresci, S., Caira, T., Moore, D. D. & Kelly, D. P. (1994) Proc. Natl. Acad. Sci. USA 91, 11012-11016.

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Authors
López-Lluch, G., Hunt, N., Jones, B., Zhu, M., Jamieson, H., Hilmer, S., Cascajo, M. V., Allard, J., Ingram, D. K., Navas, P., & de Cabo, R.
Affiliations
  • *Centro Andaluz de Biología del Desarrollo, Universidad Pablo de Olavide, 41013 Sevilla, Spain;
  • National Institutes of Health (US)
  • The University of Sydney (AU)
  • Centro Andaluz de Biología del Desarrollo (ES)
  • Laboratory of Experimental Gerontology, National Institute on Aging, National Institutes of Health, 5600 Nathan Shock Drive, Baltimore, MD 21224-6825;
Venue
Proceedings of the National Academy of Sciences
Published
2006-01-30
Volume
103
Issue
6
Pages
1768-1773
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2099547258
Cited by
699
References
45
Citations by year
2026: 15 · 2025: 23 · 2024: 20 · 2023: 22 · 2022: 25 · 2021: 21 · 2020: 38 · 2019: 39 · 2018: 34 · 2017: 31 · 2016: 36 · 2015: 48 · 2014: 41 · 2013: 40 · 2012: 58
FWCI
17.38
Type
journal article
Language
en
Open access
Licence
other-oa
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion, other-oa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
Keywords
caloric restriction, mitochondrial biogenesis, bioenergetics, oxidative stress, PPARγ coactivator-1α, mitochondrial proliferation, reactive oxygen species, mitochondrial membrane potential, oxygen consumption, ATP production, aging, lifespan extension
MeSH terms
Cell Line, Energy Metabolism, Humans, Microscopy, Electron, Mitochondria, Reactive Oxygen Species, Caloric Restriction

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