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Genetic Variants in the Fat and Obesity Associated (FTO) Gene and Risk of Alzheimer's Disease

Author

Listed:
  • Christiane Reitz
  • Giuseppe Tosto
  • Richard Mayeux
  • Jose A Luchsinger
  • the NIA-LOAD/NCRAD Family Study Group and the Alzheimer's Disease Neuroimaging Initiative

Abstract

Background: Recent studies showed that polymorphisms in the Fat and Obesity-Associated (FTO) gene have robust effects on obesity, obesity-related traits and endophenotypes associated with Alzheimer's disease (AD). Methods: We used 1,877 Caucasian cases and controls from the NIA-LOAD study and 1,093 Caribbean Hispanics to further explore the association of FTO with AD. Using logistic regression, we assessed 42 SNPs in introns 1 and 2, the region previously reported to be associated with AD endophenotypes, which had been derived by genome-wide screenings. In addition, we performed gene expression analyses of neuropathologically confirmed AD cases and controls of two independent datasets (19 AD cases, 10 controls; 176 AD cases, 188 controls) using within- and between-group factors ANOVA of log10 transformed rank invariant normalized expression data. Results: In the NIALOAD study, one SNP was significantly associated with AD and three additional markers were close to significance (rs6499640, rs10852521, rs16945088, rs8044769, FDR p-value: 0.05 0.9) with the previously reported SNPs. In the Caribbean Hispanic dataset, we identified three SNPs (rs17219084, rs11075996, rs11075997, FDR p-value: 0.009

Suggested Citation

  • Christiane Reitz & Giuseppe Tosto & Richard Mayeux & Jose A Luchsinger & the NIA-LOAD/NCRAD Family Study Group and the Alzheimer's Disease Neuroimaging Initiative, 2012. "Genetic Variants in the Fat and Obesity Associated (FTO) Gene and Risk of Alzheimer's Disease," PLOS ONE, Public Library of Science, vol. 7(12), pages 1-9, December.
    • Handle: RePEc:plo:pone00:0050354
    DOI: 10.1371/journal.pone.0050354
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