Associations between PTPRC rs10919563 A/G and FCGR2A R131H polymorphisms and responsiveness to TNF blockers in rheumatoid arthritis: a meta-analysis

Young Ho Lee, Sang Cheol Bae

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

We aimed to investigate whether the PTPRC rs10919563 A/G and Fc gamma receptor 2A (FCGR2A) R131H polymorphisms can predict the response to anti-TNF therapy in rheumatoid arthritis (RA) patients. We conducted a meta-analysis of studies on the association between the PTPRC rs10919563 A/G or the FCGR2A R131H polymorphism and responsiveness to anti-TNF therapy in RA patients. Eighteen studies (twelve on PTPRC and six on FCGR2A) from eight articles involving 3058 patients were considered in this meta-analysis. The meta-analysis showed a significant association between the PTPRC rs10919563 A allele and response to TNF-α blockers in RA. The OR of the PTPRC A allele was significantly lower in responders (OR = 0.584, 95 % CI = 0.409–0.835, P = 0.003). Meta-analysis revealed no association between the FCGR2A HH + HR genotype and responsiveness to TNF blockers in all study subjects (OR = 0.762, 95 % CI = 0.543–1.068, P = 0.115). However, stratification by TNF inhibitor type showed that the FCGR2A HH + HR genotype was associated with responsiveness to adalimumab (OR = 0.591, 95 % CI = 0.369–0.947, P = 0.029), but not infliximab and etanercept (OR = 0.929, 95 % CI = 0.354–2.440, P = 0.881; OR = 0.804, 95 % CI = 0.293–2.207, P = 0.673). The PTPRC rs10919563 A allele shows a poor response to anti-TNF therapy, and the FCGR2A HH + HR genotype shows a poor response to adalimumab for RA. Genotyping for these polymorphisms may be useful for predicting the response to TNF-α blockers with respect to personalized medicine.

Original languageEnglish
Pages (from-to)837-844
Number of pages8
JournalRheumatology International
Volume36
Issue number6
DOIs
Publication statusPublished - 2016 Jan 1

Keywords

  • FCGR polymorphism
  • PTPRC
  • Responsiveness
  • Rheumatoid arthritis
  • TNF blockers

ASJC Scopus subject areas

  • Rheumatology
  • Immunology and Allergy
  • Immunology

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