A rare variant of the TYK2 gene is confirmed to be associated with multiple sclerosis

Inger-Lise Mero, Aslaug R Lorentzen, Maria Ban, Cathrine Smestad, Elisabeth G Celius, Jan H Aarseth, Kjell-Morten Myhr, Jenny Link, Jan Hillert, Tomas Olsson, Ingrid Kockum, Thomas Masterman, Annette Bang Oturai, Helle Bach Søndergaard, Finn Sellebjerg, Janna Saarela, Anu Kemppinen, Irina Elovaara, Anne Spurkland, Frank DudbridgeBenedicte A Lie, Hanne F Harbo

50 Citationer (Scopus)

Abstract

A rare functional variant within the TYK2 gene (rs34536443) has been reported as protective in multiple sclerosis (MS) in recent studies. However, because of the low frequency of the minor allele (minor allele frequency0.04), genome-wide significant association has been hard to establish. We genotyped 5429 Nordic MS cases and 6167 healthy controls for this TYK2 non-synonymous single-nucleotide polymorphism (ns-SNP), and combined the Nordic genotype data with raw genotypes from previous studies. The combined Nordic analysis showed significant association with MS (P5 × 10 4, odds ratio (OR) 0.78), and by mega-analysis of 10 642 MS patients, 10 620 controls and 2110 MS trios, the association at genome-wide significance level (P5.08 × 10 9, OR 0.77) was shown.

OriginalsprogEngelsk
TidsskriftEuropean Journal of Human Genetics
Vol/bind18
Udgave nummer4
Sider (fra-til)502-4
Antal sider3
ISSN1018-4813
DOI
StatusUdgivet - 1 apr. 2010

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