Abstract
Genetic variation in FOXO3A has previously been associated with human longevity. Studies published so far have been case-control studies and hence vulnerable to bias introduced by cohort effects. In this study we extended the previous findings in the cohorts of oldest old Danes (the Danish 1905 cohort, N=1089) and middle-aged Danes (N=736), applying a longitudinal study design as well as the case-control study design. Fifteen SNPs were chosen in order to cover the known common variation in FOXO3A. Comparing SNP frequencies in the oldest old with middle-aged individuals, we found association (after correction for multiple testing) of eight SNPs; 4 (rs13217795, rs2764264, rs479744, and rs9400239) previously reported to be associated with longevity and four novel SNPs (rs12206094, rs13220810, rs7762395, and rs9486902 (corrected P-values 0.001-0.044). Moreover, we found association of the haplotypes TAC and CAC of rs9486902, rs10499051, and rs12206094 (corrected P-values: 0.01-0.03) with longevity. Finally, we here present data applying a longitudinal study design; when using follow-up survival data on the oldest old in a longitudinal analysis, we found no SNPs to remain significant after the correction for multiple testing (Bonferroni correction). Hence, our results support and extent the proposed role of FOXO3A as a candidate longevity gene for survival from younger ages to old age, yet not during old age.
Original language | English |
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Journal | Aging Cell |
Volume | 9 |
Issue number | 6 |
Pages (from-to) | 1010-7 |
Number of pages | 8 |
ISSN | 1474-9718 |
DOIs | |
Publication status | Published - 1 Dec 2010 |
Keywords
- Aged, 80 and over
- Case-Control Studies
- Forkhead Transcription Factors
- Gene Frequency
- Genetic Variation
- Genotype
- Haplotypes
- Humans
- Longevity
- Longitudinal Studies
- Male
- Polymorphism, Single Nucleotide