Common variants at 12q14 and 12q24 are associated with hippocampal volume

JC Bis, C DeCarli, AV Smith, Fedde Lijn, F Crivello, M Fornage, S Debette, JM Shulman, Heléna Schmidt, V Srikanth, Maaike Schuur, L Yu, SH Choi, S Sigurdsson, Ben Verhaaren, AL DeStefano, JC Lambert, CR Jack, M Struchalin, J StankovichCarla Verbaas, D Fleischman, A Zijdenbos, Tom Heijer, B Mazoyer, LH Coker, C Enzinger, P Danoy, Najaf Amin, K Arfanakis, MA van Buchem, Renee Bruijn, A Beiser, C Dufouil, JB Huang, M Cavalieri, R Thomson, Wiro Niessen, LB Chibnik, GK Gislason, Bert Hofman, A Pikula, P Amouyel, KB Freeman, TG Phan, Ben Oostra, JL Stein, SE Medland, AA Vasquez, DP Hibar, MJ Wright, B Franke, NG Martin, PM Thompson, MA Nalls, André Uitterlinden, R (Rhoda) Au, A Elbaz, RJ Beare, J.C. van Swieten, OL Lopez, TB Harris, V Chouraki, Monique Breteler, PL De Jager, JT Becker, Meike Vernooij, D Knopman, F Fazekas, PA Wolf, Aad van der Lugt, V Gudnason, WT Longstreth, MA Brown, DA Bennett, Cornelia Duijn, TH Mosley, R Schmidt, C Tzourio, LJ (Lenore) Launer, Arfan Ikram, S Seshadri

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Abstract

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 x 10(-7). In two additional samples (n = 2,318), associations were replicated at 12q14 within MSRB3-WIF1 (discovery and replication; rs17178006; P = 5.3 x 10(-11)) and at 12q24 near HRK-FBXW8 (rs7294919; P = 2.9 x 10(-11)). Remaining associations included one SNP at 2q24 within DPP4 (rs6741949; P = 2.9 x 10(-7)) and nine SNPs at 9p33 within ASTN2 (rs7852872; P = 1.0 x 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.
Original languageUndefined/Unknown
Pages (from-to)545-551
Number of pages7
JournalNature Genetics
Volume44
Issue number5
DOIs
Publication statusPublished - 2012

Research programs

  • EMC COEUR-09
  • EMC MGC-02-96-01
  • EMC MM-01-39-09-A
  • EMC NIHES-01-64-01
  • EMC NIHES-01-64-02
  • EMC NIHES-03-30-01
  • EMC NIHES-03-30-03

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