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Genome-wide significant association with seven novel multiple sclerosis risk loci

Year: 2015
Type: article
Study design: Observational Study
Abstract: OBJECTIVE: A recent large-scale study in multiple sclerosis (MS) using the ImmunoChip platform reported on 11 loci that showed suggestive genetic association with MS. Additional data in sufficiently sized and independent data sets are needed to assess whether these loci represent genuine MS risk factors. METHODS: The lead SNPs of all 11 loci were genotyped in 10 796 MS cases and 10 793 controls from Germany, Spain, France, the Netherlands, Austria and Russia, that were independent from the previously reported cohorts. Association analyses were performed using logistic regression based on an additive model. Summary effect size estimates were calculated using fixed-effect meta-analysis. RESULTS: Seven of the 11 tested SNPs showed significant association with MS susceptibility in the 21 589 individuals analysed here. Meta-analysis across our and previously published MS case-control data (total sample size n=101 683) revealed novel genome-wide significant association with MS susceptibility (p<5×10(-8)) for all seven variants. This included SNPs in or near LOC100506457 (rs1534422, p=4.03×10(-12)), CD28 (rs6435203, p=1.35×10(-9)), LPP (rs4686953, p=3.35×10(-8)), ETS1 (rs3809006, p=7.74×10(-9)), DLEU1 (rs806349, p=8.14×10(-12)), LPIN3 (rs6072343, p=7.16×10(-12)) and IFNGR2 (rs9808753, p=4.40×10(-10)). Cis expression quantitative locus effects were observed in silico for rs6435203 on CD28 and for rs9808753 on several immunologically relevant genes in the IFNGR2 locus. CONCLUSIONS: This study adds seven loci to the list of genuine MS genetic risk factors and further extends the list of established loci shared across autoimmune diseases.
Institutions: University Medical Center of the Johannes Gutenberg University Mainz, Max Planck Institute for Molecular Genetics, University of Lübeck, Consejo Superior de Investigaciones Científicas, Instituto de Parasitología y Biomedicina "López - Neyra", Russian Academy of Sciences, Novosibirsk State University, Institute of Chemical Biology and Fundamental Medicine, Siberian Branch of the Russian Academy of Sciences, University of the Basque Country, Achucarro Basque Center for Neuroscience, Hospital Clínico San Carlos, Instituto de Investigación Sanitaria del Hospital Clínico San Carlos, Centre National de la Recherche Scientifique, Inserm, Institut du Cerveau, Vall d'Hebron Hospital Universitari, Centre d'Esclerosi Múltiple de Catalunya, Medical University of Vienna, Erasmus MC, Ruhr University Bochum, Heinrich Heine University Düsseldorf, Ikerbasque, Hospital de Basurto, University of Rostock, Pirogov Russian National Research Medical University, University of Würzburg, St. Josef-Hospital, German Rheumatism Research Centre, Charité – Universitätsmedizin Berlin, Witten/Herdecke University, Hospital Regional Universitario de Málaga, Instituto de Investigación Biomédica de Málaga, Institut für Klinische Neuroimmunologie, Ludwig-Maximilians-Universität München, Hospital Universitario Virgen Macarena, Medical College of Wisconsin, University Medical Center Hamburg-Eppendorf, CeGaT (Germany), Novosibirsk State Medical University, Sozialstiftung Bamberg, Omsk State Medical University, Altai State Medical University, Regional State Budget Health Care Institution "Regional Clinical Hospital", Assistance Publique – Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Imperial College London
Language: English
Field: Medicine
Open Access status: bronze
OpenAlex ID: W2183545298
FWCI: 4.715
Cites: 40
Cited by: 43
Related to: 10