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Common variants in ABCA7, MS4A6A/MS4A4E, EPHA1, CD33 and CD2AP are associated with Alzheimer’s disease
We sought to identify new susceptibility loci for Alzheimer’s disease (AD) through a staged association study (GERAD+) and by testing suggestive loci reported by the Alzheimer’s Disease Genetic Consortium (ADGC). First, we undertook a combined analysis of four genome-wide association datasets (Stage...
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
2011
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3084173/ https://www.ncbi.nlm.nih.gov/pubmed/21460840 http://dx.doi.org/10.1038/ng.803 |
Sumario: | We sought to identify new susceptibility loci for Alzheimer’s disease (AD) through a staged association study (GERAD+) and by testing suggestive loci reported by the Alzheimer’s Disease Genetic Consortium (ADGC). First, we undertook a combined analysis of four genome-wide association datasets (Stage 1) and identified 10 novel variants with P≤1×10(−5). These were tested for association in an independent sample (Stage 2). Three SNPs at two loci replicated and showed evidence for association in a further sample (Stage 3). Meta-analyses of all data provide compelling evidence that ABCA7 (meta-P 4.5×10(−17); including ADGC meta-P=5.0×10(−21)) and the MS4A gene cluster (rs610932, meta-P=1.8×10(−14); including ADGC meta-P=1.2×10(−16); rs670139, meta-P=1.4×10(−9); including ADGC meta-P=1.1×10(−10)) are novel susceptibility loci for AD. Second, we observed independent evidence for association for three suggestive loci reported by the ADGC GWAS, which when combined shows genome-wide significance: CD2AP (GERAD+ P=8.0×10(−4); including ADGC meta-P=8.6×10(−9)), CD33 (GERAD+ P=2.2×10(−4); including ADGC meta-P=1.6×10(−9)) and EPHA1 (GERAD+ P=3.4×10(−4); including ADGC meta-P=6.0×10(−10)). These findings support five novel susceptibility genes for AD. |
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