Cited by 1,209Genetics, Aging, and Longevity in Model OrganismsMetabolism, Diabetes, and CancerSirtuins and Resveratrol in Medicine

Glucose restriction extends Caenorhabditis elegans life span by inducing mitochondrial respiration and increasing oxidative stress

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Schulz, Tim J., Zarse, Kim, Voigt, Anja, Urban, Nadine, Birringer, Marc, Ristow, Michael·2007·Cell Metabolism

Abstract

Increasing cellular glucose uptake is a fundamental concept in treatment of type 2 diabetes, whereas nutritive calorie restriction increases life expectancy. We show here that increased glucose availability decreases Caenorhabditis elegans life span, while impaired glucose metabolism extends life expectancy by inducing mitochondrial respiration. The histone deacetylase Sir2.1 is found here to be dispensable for this phenotype, whereas disruption of aak-2, a homolog of AMP-dependent kinase (AMPK), abolishes extension of life span due to impaired glycolysis. Reduced glucose availability promotes formation of reactive oxygen species (ROS), induces catalase activity, and increases oxidative stress resistance and survival rates, altogether providing direct evidence for a hitherto hypothetical concept named mitochondrial hormesis or "mitohormesis." Accordingly, treatment of nematodes with different antioxidants and vitamins prevents extension of life span. In summary, these data indicate that glucose restriction promotes mitochondrial metabolism, causing increased ROS formation and cumulating in hormetic extension of life span, questioning current treatments of type 2 diabetes as well as the widespread use of antioxidant supplements.

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Crossref · 10.1016/j.cmet.2007.08.011

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Authors
Schulz, T. J., Zarse, K., Voigt, A., Urban, N., Birringer, M., & Ristow, M.
Affiliations
  • German Institute of Human Nutrition (DE)
  • Friedrich Schiller University Jena (DE)
Corresponding author
Ristow, Michael
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2007-10
Volume
6
Issue
4
Pages
280-293
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2056673369
Cited by
1,209
References
65
Citations by year
2026: 21 · 2025: 43 · 2024: 44 · 2023: 63 · 2022: 61 · 2021: 66 · 2020: 68 · 2019: 67 · 2018: 75 · 2017: 68 · 2016: 90 · 2015: 82 · 2014: 92 · 2013: 77 · 2012: 70
FWCI
14.67
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
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 › Metabolism, Diabetes, and Cancer
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
Keywords
glucose restriction, lifespan extension, Caenorhabditis elegans, mitochondrial respiration, oxidative stress, reactive oxygen species, aak-2, AMPK, glycolysis, catalase, antioxidants, type 2 diabetes, caloric restriction
MeSH terms
Animals, Glucose, Glycolysis, Longevity, Mitochondria, Multienzyme Complexes, Caenorhabditis elegans, Protein Serine-Threonine Kinases, Reactive Oxygen Species, Oxidative Stress, Cell Respiration, Caenorhabditis elegans Proteins, Sirtuins, AMP-Activated Protein Kinases

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