Cited by 501Genetics, Aging, and Longevity in Model OrganismsDietary Effects on HealthAnimal Behavior and Reproduction

Genetic variation in the murine lifespan response to dietary restriction: from life extension to life shortening

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Liao, Chen‐Yu, Rikke, Brad A., Johnson, Thomas E., Diaz, Vivian, Nelson, James F.·2010·Aging Cell

Abstract

Summary: Chronic dietary restriction (DR) is considered among the most robust life‐extending interventions, but several reports indicate that DR does not always extend and may even shorten lifespan in some genotypes. An unbiased genetic screen of the lifespan response to DR has been lacking. Here, we measured the effect of one commonly used level of DR (40% reduction in food intake) on mean lifespan of virgin males and females in 41 recombinant inbred strains of mice. Mean strain‐specific lifespan varied two to threefold under ad libitum (AL) feeding and 6‐ to 10‐fold under DR, in males and females respectively. Notably, DR shortened lifespan in more strains than those in which it lengthened life. Food intake and female fertility varied markedly among strains under AL feeding, but neither predicted DR survival: therefore, strains in which DR shortened lifespan did not have low food intake or poor reproductive potential. Finally, strain‐specific lifespans under DR and AL feeding were not correlated, indicating that the genetic determinants of lifespan under these two conditions differ. These results demonstrate that the lifespan response to a single level of DR exhibits wide variation amenable to genetic analysis. They also show that DR can shorten lifespan in inbred mice. Although strains with shortened lifespan under 40% DR may not respond negatively under less stringent DR, the results raise the possibility that life extension by DR may not be universal.

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  • Even among highly genetically similar strains of yeast or mice, dietary restriction is equally likely to shorten lifespan as to extend lifespan.

    “Even among highly genetically similar strains of yeast or mice, dietary restriction is equally likely to shorten lifespan as to extend lifespan.76,77,78”

    From Asynchronous, contagious and digital aging (2021) · cites this paper as [78]

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Authors
Liao, C., Rikke, B. A., Johnson, T. E., Diaz, V., & Nelson, J. F.
Affiliations
  • The University of Texas at San Antonio Health Science Center (US)
  • University of Colorado Boulder (US)
Corresponding author
Nelson, James F.
Venue
Aging Cell
Publisher
Wiley
Published
2010-01-11
Volume
9
Issue
1
Pages
92-95
ISSN
  • 1474-9718 (ISSN-L)
  • 1474-9726
OpenAlex
W2104438296
Cited by
501
References
26
Citations by year
2026: 19 · 2025: 25 · 2024: 25 · 2023: 24 · 2022: 32 · 2021: 34 · 2020: 39 · 2019: 33 · 2018: 30 · 2017: 31 · 2016: 41 · 2015: 39 · 2014: 30 · 2013: 31 · 2012: 21
FWCI
6.86
Type
journal article
Language
en
Open access
Locations
  • Aging Cell (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute on Aging (R01AG024354)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Physiology › Dietary Effects on Health
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
Keywords
dietary restriction, lifespan, genetic variation, recombinant inbred mouse strains, lifespan extension, lifespan reduction, dietary intake, female fertility, sex differences in lifespan, genetic determinants of aging
MeSH terms
Animals, Female, Life Expectancy, Longevity, Male, Mice, Inbred Strains, Sex Characteristics, Genetic Variation, Caloric Restriction, Mice

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