Genome-wide association meta-analysis identifies five modifier loci of lung disease severity in cystic fibrosis.

Weili Li, Michael R Knowles, Garry R Cutting, Lisa J Strug, Fred A Wright, Mitchell L Drumm, Johanna M Rommens, Peter R Durie, Hara Levy, Marci K Sontag, Wanda K O'Neal, Yi-Hui Zhou, Lei Sun, Karen S Raraigh, Michael V Patrone, Fan Lin, Harriet Corvol, Katherine Keenan, Loic Guillot, Jiafen Gong, Arianna Franca, Anthony T Dang, Hong Dang, Joseph M Collaco, Annick Clement, Frank J Accurso, Jaclyn R Stonebraker, Rhonda G Pace, Paul J Gallins, Pierre-Yves Boëlle, Scott M Blackman

Journal: Nature communications 2016;6():8382

PMID: 26417704

Abstract

The identification of small molecules that target specific CFTR variants has ushered in a new era of treatment for cystic fibrosis (CF), yet optimal, individualized treatment of CF will require identification and targeting of disease modifiers. Here we use genome-wide association analysis to identify genetic modifiers of CF lung disease, the primary cause of mortality. Meta-analysis of 6,365 CF patients identifies five loci that display significant association with variation in lung disease. Regions on chr3q29 (MUC4/MUC20; P=3.3 × 10(-11)), chr5p15.3 (SLC9A3; P=6.8 × 10(-12)), chr6p21.3 (HLA Class II; P=1.2 × 10(-8)) and chrXq22-q23 (AGTR2/SLC6A14; P=1.8 × 10(-9)) contain genes of high biological relevance to CF pathophysiology. The fifth locus, on chr11p12-p13 (EHF/APIP; P=1.9 × 10(-10)), was previously shown to be associated with lung disease. These results provide new insights into potential targets for modulating lung disease severity in CF.

Address: Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Trousseau, Pediatric Pulmonary Department; Institut National de la Santé et la Recherche Médicale (INSERM) U938, Paris 75012, France.; Sorbonne Universités, Université Pierre et Marie Curie (UPMC) Paris 06, Paris 75005, France.; Division of Pediatric Endocrinology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA.; AP-HP, Hôpital St Antoine, Biostatistics Department; Inserm U1136, Paris 75012, France.; Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA.; Marsico Lung Institute/UNC CF Research Center, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, USA.; Department of Epidemiology, Colorado School of Public Health, University of Colorado Denver, Anschutz Medical Center, Aurora, Colorado 80045, USA.; Children's Hospital Colorado, Anschutz Medical Center, Aurora, Colorado 80045, USA.; Department of Pediatrics, School of Medicine, Anschutz Medical Center, Aurora, Colorado 80045, USA.; Division of Pediatric Pulmonology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA.; McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA.; Program in Genetics and Genome Biology, The Hospital for Sick Children, Toronto, Ontario, Canada M5G 0A4.; Program in Physiology and Experimental Medicine, The Hospital for Sick Children, Toronto, Ontario, Canada M5G 0A4.; Department of Statistical Sciences, University of Toronto, Toronto, Ontario, Canada M5S 3G3.; Division of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada M5T 3M7.; Bioinformatics Research Center and Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina 27695, USA.; Division of Pulmonary Medicine, Department of Pediatrics, Stanley Manne Research Institute, Northwestern University Feinberg School of Medicine, Ann and Robert Lurie Children's Hospital of Chicago, Chicago, Illinois 60611, USA.; Department of Pediatrics, University of Toronto, Toronto, Ontario M5G 1X8, Canada.; Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada M5S 1A8.; Department of Pediatrics, School of Medicine, Case Western Reserve University, Cleveland, Ohio 44106, USA.; Bioinformatics Research Center and Department of Statistics, North Carolina State University, Raleigh, North Carolina 27695, USA.; Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina 27695, USA.; Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA.
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