Variation in the SHC1 gene and longevity in humans.

Authors: Mooijaart SP; van Heemst D; Schreuder J; van Gerwen S; Beekman M; Brandt BW; Eline Slagboom P; Westendorp RG; 'Long Life' Study Group

Abstract: Mice in which the p66(SHC) specific region of the SHC gene is deleted live 30% longer without apparent disease. These mice have lower levels of oxidative stress and apoptosis, both of which have been linked to old age survival in man. This makes SHC1 an important candidate gene for longevity in humans. We found no variations in the p66 specific region of the SHC1 gene in 30 young and 30 extreme long-lived subjects. Thus in man, no common sequence variations occur in p66 specific region of the SHC1 gene. In two independent cohorts of respectively 730 and 563 subjects aged 85 and over, we tested the only known non-synonymous polymorphism, Met(410)Val, for association with longevity using a prospective follow-up design. In the first cohort, we found increasing valine allele frequency in three strata of increasing age at death (2.8-5.2%). Moreover, compared to Met/Met carriers, mortality rate was a factor of 0.71 (95% CI 0.45-1.13) reduced for Met/Val carriers in the combined cohorts, with similar risk estimates in both cohorts. Low valine allele frequency resulted, however, in low power to detect statistical significance. These data suggest that an association between the Met(410)Val polymorphism and longevity in humans may exist.

Keywords: *Adaptor Proteins, Signal Transducing; Adaptor Proteins, Vesicular Transport/*genetics; Adult; Aged; Aged, 80 and over; Female; Follow-Up Studies; Gene Frequency; *Genetic Variation; Humans; Longevity/*genetics; Male; *Mortality; Netherlands/epidemiology; Polymorphism, Genetic; Prospective Studies; Shc Signaling Adaptor Proteins; Survival Analysis
Journal: Experimental gerontology
Volume: 39
Issue: 2
Pages: 263-8
Date: March 24, 2004
PMID: 15036421
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Mooijaart SP, van Heemst D, Schreuder J, van Gerwen S, Beekman M, Brandt BW, Eline Slagboom P, Westendorp RG, 'Long Life' Study Group (2004) Variation in the SHC1 gene and longevity in humans. Experimental gerontology 39: 263-8.

Longevity Variant Associations (p-value):
  • Met410Val (0.192)

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