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MUC5B promoter variant rs35705950 and rheumatoid arthritis associated interstitial lung disease survival and progression

  • Pierre Antoine Juge
  • , Joshua J. Solomon
  • , Coline H.M. van Moorsel
  • , Romain Garofoli
  • , Joyce S. Lee
  • , Fabienne Louis-Sydney
  • , Jorge Rojas-Serrano
  • , Montserrat I. González-Pérez
  • , Mayra Mejia
  • , Ivette Buendia-Roldán
  • , Ramcés Falfán-Valencia
  • , Enrique Ambrocio-Ortiz
  • , Effrosyni Manali
  • , Spyros A. Papiris
  • , Theofanis Karageorgas
  • , Dimitrios Boumpas
  • , Katarina M. Antoniou
  • , Prodromos Sidiropoulos
  • , Athina Trachalaki
  • , Joanne J. van der Vis
  • Anna Jamnitski, Jan C. Grutters, Caroline Kannengiesser, Raphaël Borie, Leticia Kawano-Dourado, Lidwine Wemeau-Stervinou, René Marc Flipo, Hilario Nunes, Yurdagul Uzunhan, Dominique Valeyre, Nathalie Saidenberg-Kermanac'h, Marie Christophe Boissier, Christophe Richez, Thierry Schaeverbeke, Tracy Doyle, Paul J. Wolters, Marie Pierre Debray, Catherine Boileau, Raphaël Porcher, David A. Schwartz, Bruno Crestani, Philippe Dieudé*
*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

Background: The major risk factor for idiopathic pulmonary fibrosis (IPF), MUC5B rs35705950, was found to be associated with rheumatoid arthritis-associated interstitial lung disease (RA-ILD). Whilst the MUC5B rs35705950 T risk allele has been associated with better survival in IPF, its impact on RA-ILD prognosis remains to be determined. Our objective was to explore the influence of MUC5B rs35705950 on survival and progression in RA-ILD. Methods: Through an international retrospective observational study, patients with RA-ILD were genotyped for the MUC5B rs35705950 variant and consecutive pulmonary function tests (PFTs) findings were collected. Longitudinal data up to a 10-year follow-up were considered and analyzed using mixed regression models. Proportional hazards and joint proportional hazards models were used to analyze the association of baseline and longitudinal variables with lung transplant-free survival. Significant progression of RA-ILD was defined as at least an absolute or relative 10% decline of forced vital capacity at 2 years from baseline. Results: Out of 321 registered patients, 261 were included in the study: 139 women (53.3%), median age at RA-ILD diagnosis 65 years (interquartile range [IQR] 57 to 71), 151 ever smokers (59.2%). Median follow-up was 3.5 years (IQR 1.3 to 6.6). Mortality rate was 32% (95%CI 19 to 42) at 10 years. The MUC5B rs35705950 variant did not impact lung transplant-free survival (HR for the T risk allele carriers=1.26; 95%CI 0.61 to 2.62; P=0.53). Decline in pulmonary function at 2 years was not influenced by MUC5B rs35705950 (OR=0.95; 95%CI 0.44 to 2.05; P=0.89), irrespective of the HRCT pattern. Conclusion: In this study, the MUC5B rs35705950 promoter variant did not influence transplant- free survival or decline in pulmonary function in patients with RA-ILD.

Original languageEnglish
Pages (from-to)996-1004
Number of pages9
JournalSeminars in Arthritis and Rheumatism
Volume51
Issue number5
DOIs
Publication statusPublished - Oct 2021
Externally publishedYes

Keywords

  • Genetics
  • Interstitial Lung Disease
  • MUC5B
  • Rheumatoid Arthritis

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