English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/113192
Share/Impact:
Statistics
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:

Title

Genome-wide haplotype association study identifies the FRMD4A gene as a risk locus for Alzheimer's disease

AuthorsLambert, J. C.; Valdivieso Amate, Fernando; Amouyel, P.
KeywordsFRMD4A
GWAS
Plasma
Amyloid
Alzheimer
Issue Date2012
PublisherNature Publishing Group
CitationMolecular Psychiatry 18: 461-470 (2013)
AbstractRecently, several genome-wide association studies (GWASs) have led to the discovery of nine new loci of genetic susceptibility in Alzheimer’s disease (AD). However, the landscape of the AD genetic susceptibility is far away to be complete and in addition to single-SNP (single-nucleotide polymorphism) analyses as performed in conventional GWAS, complementary strategies need to be applied to overcome limitations inherent to this type of approaches. We performed a genome-wide haplotype association (GWHA) study in the EADI1 study (n = 2025 AD cases and 5328 controls) by applying a sliding-windows approach. After exclusion of loci already known to be involved in AD (APOE, BIN1 and CR1), 91 regions with suggestive haplotype effects were identified. In a second step, we attempted to replicate the best suggestive haplotype associations in the GERAD1 consortium (2820 AD cases and 6356 controls) and observed that 9 of them showed nominal association. In a third step, we tested relevant haplotype associations in a combined analysis of five additional case– control studies (5093 AD cases and 4061 controls). We consistently replicated the association of a haplotype within FRMD4A on Chr.10p13 in all the data set analyzed (OR: 1.68; 95% CI: (1.43–1.96); P= 1.11010). We finally searched for association between SNPs within the FRMD4A locus and Ab plasma concentrations in three independent non-demented populations (n = 2579). We reported that polymorphisms were associated with plasma Ab42/Ab40 ratio (best signal, P = 5.4107). In conclusion, combining both GWHA study and a conservative three-stage replication approach, we characterised FRMD4A as a new genetic risk factor of AD.
URIhttp://hdl.handle.net/10261/113192
DOI10.1038/mp.2012.14
Identifiersdoi: 10.1038/mp.2012.14
issn: 1476-5578
Appears in Collections:(CBM) Artículos
Files in This Item:
File Description SizeFormat 
accesoRestringido.pdf15,38 kBAdobe PDFThumbnail
View/Open
Show full item record
Review this work
 

Related articles:


WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.