• Scientific reports · Jan 2020

    Influence of MUC5B gene on antisynthetase syndrome.

    • Raquel López-Mejías, Sara Remuzgo-Martínez, Fernanda Genre, Verónica Pulito-Cueto, Sonia M Fernández Rozas, Javier Llorca, Fernández David Iturbe DI Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Hospital Universitario Marqués de Valdecilla, IDIVA, Víctor M Mora Cuesta, Norberto Ortego-Centeno, Nair Pérez Gómez, Antonio Mera-Varela, Julia Martínez-Barrio, Francisco Javier López-Longo, Verónica Mijares, Leticia Lera-Gómez, María Piedad Usetti, Rosalía Laporta, Virginia Pérez, Alicia De Pablo Gafas, María Aránzazu Alfranca González, Jaime Calvo-Alén, Fredeswinda Romero-Bueno, Olga Sanchez-Pernaute, Laura Nuno, Gema Bonilla, Alejandro Balsa, Fernanda Hernández-González, Ignacio Grafia, Sergio Prieto-González, Javier Narvaez, Ernesto Trallero-Araguas, Albert Selva-O'Callaghan, Oreste Gualillo, Santos Castañeda, Lorenzo Cavagna, José M Cifrian, and Miguel A González-Gay.
    • Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Hospital Universitario Marqués de Valdecilla, IDIVAL, Santander, Spain. rlopezmejias78@gmail.com.
    • Sci Rep. 2020 Jan 29; 10 (1): 1415.

    AbstractMUC5B rs35705950 (G/T) is strongly associated with idiopathic pulmonary fibrosis (IPF) and also contributes to the risk of interstitial lung disease (ILD) in rheumatoid arthritis (RA-ILD) and chronic hypersensitivity pneumonitis (CHP). Due to this, we evaluated the implication of MUC5B rs35705950 in antisynthetase syndrome (ASSD), a pathology characterised by a high ILD incidence. 160 patients with ASSD (142 with ILD associated with ASSD [ASSD-ILD+]), 232 with ILD unrelated to ASSD (comprising 161 IPF, 27 RA-ILD and 44 CHP) and 534 healthy controls were genotyped. MUC5B rs35705950 frequency did not significantly differ between ASSD-ILD+ patients and healthy controls nor when ASSD patients were stratified according to the presence/absence of anti Jo-1 antibodies or ILD. No significant differences in MUC5B rs35705950 were also observed in ASSD-ILD+ patients with a usual interstitial pneumonia (UIP) pattern when compared to those with a non-UIP pattern. However, a statistically significant decrease of MUC5B rs35705950 GT, TT and T frequencies in ASSD-ILD+ patients compared to patients with ILD unrelated to ASSD was observed. In summary, our study does not support a role of MUC5B rs35705950 in ASSD. It also indicates that there are genetic differences between ILD associated with and that unrelated to ASSD.

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