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

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

PLOS ONE, 2012, vol. 7, issue 12, 1-9

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

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0050354

DOI: 10.1371/journal.pone.0050354

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