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/lp/ios-press/genetic-variation-in-imprinted-genes-is-associated-with-risk-of-late-9HH9418r01
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- Publisher
- IOS Press
- Copyright
- Copyright © 2015 by IOS Press, Inc
- ISSN
- 1387-2877
- eISSN
- 1875-8908
- DOI
- 10.3233/JAD-142106
- pmid
- 25391383
- Publisher site
- See Article on Publisher Site
Abstract
Epigenetic changes including genomic imprinting may affect risk of late-onset Alzheimer's disease (LOAD). There are >100 known imprinted genes and most of them are expressed in human brain. In this study, we examined the association of single nucleotide polymorphisms (SNPs) in 93 imprinted genes with LOAD risk in 1291 LOAD cases and 958 cognitively normal controls. We performed single-site, gene-based, and haplotype analyses. Single-site analysis showed 14 significant associations at p < 0.01. The most significant SNP (rs11770199; p = 0.0003) in single-site analysis was located on chromosome 7 in the GRB10 gene. Gene-based analyses revealed four significant associations in the WT1, ZC3H12C, DLGAP2, and GPR1 genes at p < 0.05. The haplotype analysis also revealed significant associations with three genes (ZC3H12C, DLGAP2, and GPR1). These findings suggest a possible role of imprinted genes in AD pathogenesis that show specific expression in the brain.
Journal
Journal of Alzheimer's Disease – IOS Press
Published: Jan 1, 2015