Investigation of genetic susceptibility factors for human longevity - A targeted nonsynonymous SNP study

被引:14
作者
Flachsbart, Friederike [1 ,2 ]
Franke, Andre [1 ,2 ]
Kleindorp, Rabea [1 ,2 ]
Caliebe, Amke [2 ,3 ]
Blanche, Helene [4 ]
Schreiber, Stefan [1 ,2 ]
Nebel, Almut [1 ,2 ]
机构
[1] Univ Kiel, Inst Clin Mol Biol, D-24105 Kiel, Germany
[2] Univ Hosp Schleswig Holstein, Kiel, Germany
[3] Univ Kiel, Inst Med Informat & Stat, D-24105 Kiel, Germany
[4] Ctr Etud Polymorphisme Humain, Fdn Jean Dausset, F-75010 Paris, France
关键词
Aging; Centenarians; Candidate genes; Case-control association; LIFE-SPAN; INSULIN-RECEPTOR; CASPASE ACTIVATION; OXIDATIVE STRESS; DOWN-REGULATION; ASSOCIATION; APOPTOSIS; PERP; EXPRESSION; FOXO3A;
D O I
10.1016/j.mrfmmm.2010.08.006
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Twin studies have shown that longevity in humans is moderately heritable with a genetic component of 25-32% Experimental model organisms point to the existence of core survival and anti-ageing pathways that have been conserved throughout evolution It has been shown that mutations in single genes Involved in these pathways can either delay or accelerate the ageing process and that many of these genes and pathways are also present in humans Here we performed a targeted investigation of selected genes (i) involved in longevity pathways (insulin receptor/insulin-like growth factor-I signaling and energy metabolism intracellular signaling apoptosis and stress response) and (ii) in which mutations lead to genetic perturbations in animal models or human diseases Altogether we tested 500 nonsynonymous single nucleotide polymorphisms (SNPs) in 343 candidate genes for association with the longevity phenotype in a German sample comprising about 400 centenarians and an equal number of younger control subjects Thus this study presents one of the largest candidate studies in human genetic longevity research conducted to-date The three top-ranking markers which are located in the genes DUSP6 NALP1 and PERP revealed p-values <= 0 01 in the allelic case-control comparisons Although the association signals in Germans were not replicated in an Independent French sample the large number of analysis results is deemed a valuable reference point for further genetic studies (C) 2010 Elsevier B V All rights reserved
引用
收藏
页码:13 / 19
页数:7
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