Association of the FOXO3A locus with extreme longevity in a Southern Italian centenarian study

Chiara Viviani Anselmi, Alberto Malovini, Roberta Roncarati, Valeria Novelli, Francesco Villa, Gianluigi Condorelli, Riccardo Bellazzi, Annibale Alessandro Puca

Research output: Contribution to journalArticle

Abstract

A number of potential candidate genes in a variety of biological pathways have been associated with longevity in model organisms. Many of these genes have human homologs and thus have the potential to provide insights into human longevity. Recently, several studies suggested that FOXO3A functions as a key bridge for various signaling pathways that influence aging and longevity. Interestingly, Willcox and colleagues identified several variants that displayed significant genotype-gender interaction in male human longevity. In particular, a nested case-control study was performed in an ethnic Japanese population in Hawaii, and five candidate longevity genes were chosen based on links to the insulin-insulin-like growth factor-1 (IGF-1) signaling pathway. In the Willcox study, the investigated genetic variations (rs2802292, rs2764264, and rs13217795) within the FOXO3A gene were significantly associated with longevity in male centenarians. We validated the association of FOXO3A polymorphisms with extreme longevity in males from the Southern Italian Centenarian Study. Particularly, rs2802288, a proxy of rs2802292, showed the best allelic association-minor allele frequency (MAF) = 0.49; p = 0.003; odds ratio (OR) = 1.51; 95% confidence interval (CI), 1.15-1.98). Furthermore, we undertook a meta-analysis to explore the significance of rs2802292 association with longevity by combining the association results of the current study and the findings coming from the Willcox et al. investigation. Our data point to a key role of FOXO3A in human longevity and confirm the feasibility of the identification of such genes with centenarian-controls studies. Moreover, we hypothesize the susceptibility to the longevity phenotype may well be the result of complex interactions involving genes and environmental factors but also gender.

Original languageEnglish
Pages (from-to)95-103
Number of pages9
JournalRejuvenation Research
Volume12
Issue number2
DOIs
Publication statusPublished - Apr 1 2009

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Genes
Proxy
Somatomedins
Gene Frequency
Meta-Analysis
Case-Control Studies
Odds Ratio
Genotype
Confidence Intervals
Insulin
Phenotype
Population

ASJC Scopus subject areas

  • Ageing
  • Geriatrics and Gerontology

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Association of the FOXO3A locus with extreme longevity in a Southern Italian centenarian study. / Anselmi, Chiara Viviani; Malovini, Alberto; Roncarati, Roberta; Novelli, Valeria; Villa, Francesco; Condorelli, Gianluigi; Bellazzi, Riccardo; Puca, Annibale Alessandro.

In: Rejuvenation Research, Vol. 12, No. 2, 01.04.2009, p. 95-103.

Research output: Contribution to journalArticle

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