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Genetic meta-analysis of diagnosed Alzheimer's disease identifies new risk loci and implicates Aβ, tau, immunity and lipid processing

Tijdschriftbijdrage - Tijdschriftartikel

Risk for late-onset Alzheimers disease (LOAD), the most prevalent dementia, is partially driven by genetics. To identify LOAD risk loci, we performed a large genome-wide association meta-analysis of clinically diagnosed LOAD (94,437 individuals). We confirm 20 previous LOAD risk loci and identify five new genome-wide loci (IQCK, ACE, ADAM10, ADAMTS1, and WWOX), two of which (ADAM10, ACE) were identified in a recent genome-wide association (GWAS)-by-familial-proxy of Alzheimers or dementia. Fine-mapping of the human leukocyte antigen (HLA) region confirms the neurological and immune-mediated disease haplotype HLA-DR15 as a risk factor for LOAD. Pathway analysis implicates immunity, lipid metabolism, tau binding proteins, and amyloid precursor protein (APP) metabolism, showing that genetic variants affecting APP and Aβ processing are associated not only with early-onset autosomal dominant Alzheimers disease but also with LOAD. Analyses of risk genes and pathways show enrichment for rare variants (P = 1.32 ׫2009»10−7), indicating that additional rare variants remain to be identified. We also identify important genetic correlations between LOAD and traits such as family history of dementia and education.
Tijdschrift: Nature genetics
ISSN: 1061-4036
Volume: 51
Pagina's: 414 - +
Jaar van publicatie:2019
Trefwoorden:A1 Journal article
BOF-keylabel:ja
BOF-publication weight:10
CSS-citation score:4
Auteurs:International
Authors from:Government
Toegankelijkheid:Closed