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Evidence that deletion at FCGR3B is a risk factor for systemic sclerosis

C. McKinney, J. C.A. Broen, M. C. Vonk, L. Beretta, R. Hesselstrand, N. Hunzelmann, G. Riemekasten, R. Scorza, C. P. Simeon, V. Fonollosa, P. E. Carreira, N. Ortego-Centeno, M. A. Gonzalez-Gay, P. Airo, M. Coenen, J. Martin, T. R.D.J. Radstake, T. R. Merriman*

*Korrespondierende/r Autor/-in für diese Arbeit

Abstract

There is increasing evidence that gene copy number (CN) variation influences clinical phenotype. The low-affinity Fc receptor 3B (FCGR3B) located in the FCGR gene cluster is a CN polymorphic gene involved in the recruitment of polymorphonuclear neutrophils to sites of inflammation and their activation. Given the genetic overlap between systemic lupus erythematosus and systemic sclerosis (SSc) and the strong evidence for FCGR3B CN in the pathology of SLE, we hypothesised that FCGR3B gene dosage influences susceptibility to SSc. We obtained FCGR3B deletion status in 777 European Caucasian cases and 1000 controls. There was an inverse relationship between FCGR3B CN and disease susceptibility. CN of ≤1 was a significant risk factor for SSc (OR=1.55 (1.13-2.14), P=0.007) relative to CN≥2. Although requiring replication, these results suggest that impaired immune complex clearance arising from FCGR3B deficiency contributes to the pathology of SSc, and FCGR3B CN variation is a common risk factor for systemic autoimmunity.

OriginalspracheEnglisch
ZeitschriftGenes and Immunity
Jahrgang13
Ausgabenummer6
Seiten (von - bis)458-460
Seitenumfang3
ISSN1466-4879
DOIs
PublikationsstatusVeröffentlicht - 09.2012

Fördermittel

The Health Research Council of NZ and NZ Lottery Health are thanked for financial support. JM was funded by grant SAF2009-11110 from the Spanish Ministry of Science, CTS-4977 from Junta de Andalucía, Spain, by Redes Temáticas de Investigación Cooperativa Sanitaria Programme, RD08/0075 (RIER) from Instituto de Salud Carlos III (ISCIII), Spain, and by Fondo Europeo de Desarrollo Regional (FEDER).

UN SDGs

Dieser Output leistet einen Beitrag zu folgendem(n) Ziel(en) für nachhaltige Entwicklung

  1. SDG 3 – Gesundheit und Wohlergehen
    SDG 3 – Gesundheit und Wohlergehen

Strategische Forschungsbereiche und Zentren

  • Forschungsschwerpunkt: Infektion und Entzündung - Zentrum für Infektions- und Entzündungsforschung Lübeck (ZIEL)

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