Candidate gene association study of insulin signaling genes and Alzheimer's disease: Evidence for SOS2, PCK1, and PPAR gamma as susceptibility loci

G Hamilton, Petra Proitsi, L Jehu, A Morgan, J Williams, M C O'Donovan, M J Owen, J F Powell, S Lovestone

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51 Citations (Scopus)

Abstract

Epidemiological evidence supports the existence of a possible link between type II diabetes mellitus (T2DM) and late-onset Alzheimer's disease (LOAD). Polymorphisms from candidate genes for T2DM were genotyped in a two-stage approach to identify novel risk factors for LOAD. One hundred fifty-two polymorphisms were initially genotyped in a case:control cohort: nine SNPs showed individual association with disease status under at least one genetic model, while an additional two SNPs showed a haplotype association. In a replication study, we confirmed significant association of SNPs within three genes-PPAR gamma, SOS2, and PCK1-with Alzheimer's disease. In particular, our data suggest that the effect of variants within these genes might be influenced by gender. (c) 2007 Wiley-Liss, Inc
Original languageEnglish
Pages (from-to)508 - 516
Number of pages9
JournalAmerican Journal of Medical Genetics. Part B: Neuropsychiatric Genetics
Volume144B
Issue number4
DOIs
Publication statusPublished - 5 Jun 2007

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