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The real Dorian Gray mouse.

G J Lithgow1, J K Andersen

  • 1The School of Biological Sciences, The University of Manchester, Manchester, UK. Gordon.Lithgow@man.ac.uk

Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology
|May 8, 2000
PubMed
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Genetic variants extending lifespan in mice offer new insights into aging. A p66(shc) gene mutation increased mean lifespan by 30%, suggesting potential for modeling human age-related diseases.

Area of Science:

  • Gerontology and Molecular Biology
  • Genetics and Aging Research

Background:

  • Genetic variants influencing lifespan are key to understanding aging.
  • Studies in invertebrates revealed aging pathways, but mammalian models were lacking.

Purpose of the Study:

  • To investigate if genetic manipulation of lifespan in mammals is feasible.
  • To explore the role of p66(shc) in aging and oxidative stress resistance.

Main Methods:

  • Utilized a mouse strain with a mutation in the p66(shc) gene.
  • Assessed the impact of the mutation on lifespan and resistance to oxygen radical generators.

Main Results:

  • The p66(shc) mutant mouse showed increased resistance to oxygen radical generators.
  • Mean lifespan in the mutant mice was extended by approximately 30%.

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Conclusions:

  • Genetic manipulation of lifespan is achievable in mammals.
  • The p66(shc) pathway is a significant factor in aging and oxidative stress.
  • This mouse model holds promise for studying human age-related diseases.