Cited by 402Metabolism, Diabetes, and CancerGenetics, Aging, and Longevity in Model OrganismsDietary Effects on Health

Effect of metformin on life span and on the development of spontaneous mammary tumors in HER-2/neu transgenic mice

Anisimov, Vladimir N., Berstein, Lev M., Egormin, Peter A., Piskunova, Tatiana S., Popovich, Irina G., Zabezhinski, Mark A., Kovalenko, Irina G., Poroshina, Tatiana E. +4 more·2005·Experimental Gerontology

Abstract

Studies in mammals have led to the suggestion that hyperglycemia and hyperinsulinemia are important factors both in aging and in the development of cancer. Insulin/insulin-like growth factor 1 (IGF-1) signaling molecules that have been linked to longevity include DAF-2 and InR and their homologues in mammals, and inactivation of the corresponding genes is followed by increased life span in nematodes, fruit flies and mice. It is possible that the life-prolonging effects of calorie restriction are due to decreasing IGF-1 levels. A search of pharmacological modulators of insulin/IGF-1 signaling pathway (which mimetic effects of life span extending mutations or calorie restriction) could be a perspective direction in regulation of longevity. The chronic treatment of female transgenic HER-2/neu mice with metformin (100 mg/kg in drinking water) slightly decreased the food consumption but failed in reducing the body weight or temperature, slowed down the age-related rise in blood glucose and triglycerides level, as well as the age-related switch-off of estrous function, prolonged the mean life span by 8% (p < 0.05), the mean life span of last 10% survivors by 13.1%, and the maximum life span by 1 month in comparison with control mice. The demographic aging rate represented by the estimate of respective Gompertz's parameter was decreased 2.26 times. The metformin-treatment significantly decreased the incidence and size of mammary adenocarcinomas in mice and increased the mean latency of the tumors.

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Crossref · 10.1016/j.exger.2005.07.007

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Authors
Anisimov, V. N., Berstein, L. M., Egormin, P. A., Piskunova, T. S., Popovich, I. G., Zabezhinski, M. A., Kovalenko, I. G., Poroshina, T. E., Semenchenko, A. V., Provinciali, M., Re, F., & Franceschi, C.
Affiliations
  • Institute of Oncology NN Petrov (RU)
  • Istituto Nazionale di Riposo e Cura per Anziani (IT)
  • University of Bologna (IT)
Corresponding author
Anisimov, Vladimir N.
Venue
Experimental Gerontology
Publisher
Elsevier BV
Published
2005-08
Volume
40
Issue
8-9
Pages
685-693
ISSN
0531-5565 (ISSN-L)
OpenAlex
W2030031350
Cited by
402
References
53
Citations by year
2026: 3 · 2025: 6 · 2024: 11 · 2023: 15 · 2022: 11 · 2021: 19 · 2020: 22 · 2019: 19 · 2018: 15 · 2017: 19 · 2016: 18 · 2015: 26 · 2014: 41 · 2013: 28 · 2012: 26
FWCI
2.64
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Gerontology (publishedVersion)
  • PubMed (publishedVersion)
  • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Physiology › Dietary Effects on Health
Keywords
metformin, lifespan, mammary adenocarcinoma, insulin/IGF-1 signaling, longevity, caloric restriction mimetics, hyperglycemia, hyperinsulinemia, tumor latency
MeSH terms
Adenocarcinoma, Aging, Animals, Blood Glucose, Body Temperature, Body Weight, Estrus, Female, Hypoglycemic Agents, Insulin, Lipoproteins, LDL, Longevity, Membrane Glycoproteins, Metformin, Mice, Transgenic, RNA, Messenger, Serine Endopeptidases, Thyroxine, Triglycerides, Triiodothyronine, Mammary Neoplasms, Animal, Receptor, ErbB-2, Erb-b2 Receptor Tyrosine Kinases, Reverse Transcriptase Polymerase Chain Reaction, Mice, Pore Forming Cytotoxic Proteins, Granzymes, Perforin

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