Identification of the Tyrosine-Protein Phosphatase Non-Receptor Type 2 as a Rheumatoid Arthritis Susceptibility Locus in Europeans

Joanna E Cobb, Darren Plant, Edward Flynn, Meriem Tadjeddine, Philippe Dieudé, François Cornélis, Lisbeth Ärlestig, Solbritt Rantapää Dahlqvist, George Goulielmos, Dimitrios T Boumpas, Prodromos Sidiropoulos, Sophine B Krintel, Lykke M Ørnbjerg, Merete L Hetland, Lars Klareskog, Thomas Haeupl, Andrew Filer, Christopher D Buckley, Karim Raza, Torsten Witte, Reinhold E Schmidt, Oliver FitzGerald, Douglas Veale, Stephen Eyre and Jane Worthington

PLOS ONE, 2013, vol. 8, issue 6, 1-5

Abstract: Objectives: Genome-wide association studies have facilitated the identification of over 30 susceptibility loci for rheumatoid arthritis (RA). However, evidence for a number of potential susceptibility genes have not so far reached genome-wide significance in studies of Caucasian RA. Methods: A cohort of 4286 RA patients from across Europe and 5642 population matched controls were genotyped for 25 SNPs, then combined in a meta-analysis with previously published data. Results: Significant evidence of association was detected for nine SNPs within the European samples. When meta-analysed with previously published data, 21 SNPs were associated with RA susceptibility. Although SNPs in the PTPN2 gene were previously reported to be associated with RA in both Japanese and European populations, we show genome-wide evidence for a different SNP within this gene associated with RA susceptibility in an independent European population (rs7234029, P = 4.4×10−9). Conclusions: This study provides further genome-wide evidence for the association of the PTPN2 locus (encoding the T cell protein tyrosine phosphastase) with Caucasian RA susceptibility. This finding adds to the growing evidence for PTPN2 being a pan-autoimmune susceptibility gene.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0066456

DOI: 10.1371/journal.pone.0066456

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