The autoimmune-associated genetic variant PTPN22 R620W enhances neutrophil activation and function in patients with rheumatoid arthritis and healthy individuals

Rachel Bayley, Kerry A Kite, Helen M McGettrick, Jacqueline P Smith, George D Kitas, Christopher D Buckley, Stephen P Young

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Abstract

A genetic variant of the leukocyte phosphatase PTPN22 (R620W) is strongly associated with autoimmune diseases including rheumatoid arthritis (RA). Functional studies on the variant have focussed on lymphocytes, but it is most highly expressed in neutrophils. We have investigated the effects of the variant on neutrophil function in health and in patients with RA.
Original languageEnglish
Pages (from-to)1588-95
JournalAnnals of the Rheumatic Diseases
Volume74
Issue number8
Early online date24 Mar 2014
DOIs
Publication statusPublished - 2015

Keywords

  • Autoimmune Diseases
  • Gene Polymorphism
  • Rheumatoid Arthritis

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