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Holmans, P.* ; Moskvina, V.* ; Jones, L.* ; Sharma, M.* ; International Parkinson's Disease Genomics Consortium (IPDGC) (Illig, T. ; Lichtner, P.) ; Vedernikov, A.* ; Buchel, F.* ; Saad, M.* ; Bras, J.M.* ; Bettella, F.* ; Nicolaou, N.* ; Simon-Sanchez, J.* ; Mittag, F.* ; Gibbs, J.R.* ; Schulte, C.* ; Dürr, A.* ; Guerreiro, R.* ; Hernandez, D.* ; Brice, A.* ; Stefansson, H.* ; Majamaa, K.* ; Gasser, T.* ; Heutink, P.* ; Wood, N.W.* ; Martinez, M.* ; Singleton, A.B.* ; Nalls, M.A.* ; Hardy, J.* ; Morris, H.R.* ; Williams, N.M.*

A pathway-based analysis provides additional support for an immune-related genetic susceptibility to Parkinson's disease.

Hum. Mol. Genet. 22, 1039-1049 (2013)
Verlagsversion Volltext Erratum DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Parkinson's disease (PD) is the second most common neurodegenerative disease affecting 1-2% in people >60 and 3-4% in people >80. Genome-wide association (GWA) studies have now implicated significant evidence for association in at least 18 genomic regions. We have studied a large PD-meta analysis and identified a significant excess of SNPs (P < 1 × 10(-16)) that are associated with PD but fall short of the genome-wide significance threshold. This result was independent of variants at the 18 previously implicated regions and implies the presence of additional polygenic risk alleles. To understand how these loci increase risk of PD, we applied a pathway-based analysis, testing for biological functions that were significantly enriched for genes containing variants associated with PD. Analysing two independent GWA studies, we identified that both had a significant excess in the number of functional categories enriched for PD-associated genes (minimum P = 0.014 and P = 0.006, respectively). Moreover, 58 categories were significantly enriched for associated genes in both GWA studies (P < 0.001), implicating genes involved in the 'regulation of leucocyte/lymphocyte activity' and also 'cytokine-mediated signalling' as conferring an increased susceptibility to PD. These results were unaltered by the exclusion of all 178 genes that were present at the 18 genomic regions previously reported to be strongly associated with PD (including the HLA locus). Our findings, therefore, provide independent support to the strong association signal at the HLA locus and imply that the immune-related genetic susceptibility to PD is likely to be more widespread in the genome than previously appreciated.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 2013
HGF-Berichtsjahr 2013
ISSN (print) / ISBN 0964-6906
e-ISSN 1460-2083
Zeitschrift Human Molecular Genetics
Quellenangaben Band: 22, Heft: 5, Seiten: 1039-1049 Artikelnummer: , Supplement: ,
Verlag Oxford University Press
Begutachtungsstatus Peer reviewed
Institut(e) Research Unit Molecular Epidemiology (AME)
POF Topic(s) 30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-504200-001
PubMed ID 23223016
DOI 10.1093/hmg/dds492
Erfassungsdatum 2013-03-04
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