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Bis JC;DeCarli C;Smith AV;van der Lijn F;Crivello F;Fornage M;Debette S;Shulman JM;Schmidt H;Srikanth V;Schuur M;Yu L;Choi SH;Sigurdsson S;Verhaaren BF;DeStefano AL;Lambert JC;Jack CR;Struchalin M;Stankovich J;Ibrahim-Verbaas CA;Fleischman D;Zijdenbos A;den Heijer T;Mazoyer B;Coker LH;Enzinger C;Danoy P;Amin N;Arfanakis K;van Buchem MA;de Bruijn RF;Beiser A;Dufouil C;Huang J;Cavalieri M;Thomson R;Niessen WJ;Chibnik LB;Gislason GK;Hofman A;Pikula A;Amouyel P;Freeman KB;Phan TG;Oostra BA;Stein JL;Medland SE;Vasquez AA;Hibar DP;Wright MJ;Franke B;Martin NG;Thompson PM; ;Nalls MA;Uitterlinden AG;Au R;Elbaz A;Beare RJ;van Swieten JC;Lopez OL;Harris TB;Chouraki V;Breteler MM;De Jager PL;Becker JT;Vernooij MW;Knopman D;Fazekas F;Wolf PA;van der Lugt A;Gudnason V;Longstreth WT;Brown MA;Bennett DA;van Duijn CM;Mosley TH;Schmidt R;Tzourio C;Launer LJ;Ikram MA;Seshadri S; ;
2012
May
Nature Genetics
Common variants at 12q14 and 12q24 are associated with hippocampal volume.
Published
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44
5
545
551
Aging is associated with reductions in hippocampal volume that are accelerated by Alzheimer's disease and vascular risk factors. Our genome-wide association study (GWAS) of dementia-free persons (n = 9,232) identified 46 SNPs at four loci with P values of <4.0 10(-7). In two additional samples (n = 2,318), associations were replicated at 12q14 within MSRB3-WIF1 (discovery and replication; rs17178006; P = 5.3 10(-11)) and at 12q24 near HRK-FBXW8 (rs7294919; P = 2.9 10(-11)). Remaining associations included one SNP at 2q24 within DPP4 (rs6741949; P = 2.9 10(-7)) and nine SNPs at 9p33 within ASTN2 (rs7852872; P = 1.0 10(-7)); along with the chromosome 12 associations, these loci were also associated with hippocampal volume (P < 0.05) in a third younger, more heterogeneous sample (n = 7,794). The SNP in ASTN2 also showed suggestive association with decline in cognition in a largely independent sample (n = 1,563). These associations implicate genes related to apoptosis (HRK), development (WIF1), oxidative stress (MSR3B), ubiquitination (FBXW8) and neuronal migration (ASTN2), as well as enzymes targeted by new diabetes medications (DPP4), indicating new genetic influences on hippocampal size and possibly the risk of cognitive decline and dementia.
1546-1718
10.1038/ng.2237
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