Lack of replication of genetic associations with human longevity.

Authors: Novelli V; Viviani Anselmi C; Roncarati R; Guffanti G; Malovini A; Piluso G; Puca AA

Abstract: The exceptional longevity of centenarians is due in part to inherited genetic factors, as deduced from data that show that first degree relatives of centenarians live longer and have reduced overall mortality. In recent years, a number of groups have performed genetic association studies on long-living individuals (LLI) and young controls to identify alleles that are either positively or negatively selected in the centenarian population as consequence of a demographic pressure. Many of the reported studies have shown genetic loci associated with longevity. Of these, with the exception of APOE, none have been convincingly reproduced. We validated our populations by typing the APOE locus. In addition, we used 749 American Caucasian LLI, organized in two independent tiers and 355 American Caucasian controls in the attempt to replicate previously published findings. We tested Klotho (KL)-VS variant (rs952706), Cholesteryl Ester Transfer Protein (CETP) I405V (rs5882), Paraoxonase 1 (PON1) Q192R (rs662), Apolipoprotein C-III (APOC3) -641C/A (rs2542052), Microsomal Transfer Protein (MTP) -493G/T (rs2866164) and apolipoprotein E (APOE) epsilon2 and epsilon4 isoforms, (rs7412 and rs429358) haplotypes respectively. Our results show that, at present, except for APOE, none of the selected genes show association with longevity if carefully tested in a large cohort of LLI and their controls, pointing to the need of larger populations for case-control studies in extreme longevity.

Keywords: Adolescent; Adult; Aged, 80 and over; Apolipoproteins E/genetics; Case-Control Studies; Child; Child, Preschool; European Continental Ancestry Group/genetics; Female; Gene Frequency; Genotype; Humans; Infant; Infant, Newborn; Longevity/*genetics; Male; Phenotype; *Polymorphism, Single Nucleotide; Reproducibility of Results; Sample Size; United States
Journal: Biogerontology
Volume: 9
Issue: 2
Pages: 85-92
Date: Nov. 24, 2007
PMID: 18034366
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Novelli V, Viviani Anselmi C, Roncarati R, Guffanti G, Malovini A, Piluso G, Puca AA (2008) Lack of replication of genetic associations with human longevity. Biogerontology 9: 85-92.

Lifespan Factors:
  • KL klotho
  • APOE apolipoprotein E

  • Longevity Variant Associations (p-value):
  • rs952706
  • rs5882 (0.041)
  • rs662
  • rs2542052
  • rs2866164 (0.024)
  • rs429358, rs7412 (0.0005)

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