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Ketelaar ME, Portelli MA, Dijk FN, Shrine N, Faiz A, Vermeulen CJ, Xu CJ, Hankinson J, Bhaker S, Henry AP, Billington CK, Shaw DE, Johnson SR, Benest AV, Pang V, Bates DO, Pogson ZEK, Fogarty A, McKeever TM, Singapuri A, Heaney LG, Mansur AH, Chaudhuri R, Thomson NC, Holloway JW, Lockett GA, Howarth PH, Niven R, Simpson A, Tobin MD, Hall IP, Wain LV, Blakey JD, Brightling CE, Obeidat M, Sin DD, Nickle DC, Bossé Y, Vonk JM, van den Berge M, Koppelman GH, Sayers I, Nawijn MC. Phenotypic and functional translation of IL33 genetics in asthma. J Allergy Clin Immunol 2020; 147:144-157. [PMID: 32442646 DOI: 10.1016/j.jaci.2020.04.051] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 03/22/2020] [Accepted: 04/14/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Asthma is a complex disease with multiple phenotypes that may differ in disease pathobiology and treatment response. IL33 single nucleotide polymorphisms (SNPs) have been reproducibly associated with asthma. IL33 levels are elevated in sputum and bronchial biopsies of patients with asthma. The functional consequences of IL33 asthma SNPs remain unknown. OBJECTIVE This study sought to determine whether IL33 SNPs associate with asthma-related phenotypes and with IL33 expression in lung or bronchial epithelium. This study investigated the effect of increased IL33 expression on human bronchial epithelial cell (HBEC) function. METHODS Association between IL33 SNPs (Chr9: 5,815,786-6,657,983) and asthma phenotypes (Lifelines/DAG [Dutch Asthma GWAS]/GASP [Genetics of Asthma Severity & Phenotypes] cohorts) and between SNPs and expression (lung tissue, bronchial brushes, HBECs) was done using regression modeling. Lentiviral overexpression was used to study IL33 effects on HBECs. RESULTS We found that 161 SNPs spanning the IL33 region associated with 1 or more asthma phenotypes after correction for multiple testing. We report a main independent signal tagged by rs992969 associating with blood eosinophil levels, asthma, and eosinophilic asthma. A second, independent signal tagged by rs4008366 presented modest association with eosinophilic asthma. Neither signal associated with FEV1, FEV1/forced vital capacity, atopy, and age of asthma onset. The 2 IL33 signals are expression quantitative loci in bronchial brushes and cultured HBECs, but not in lung tissue. IL33 overexpression in vitro resulted in reduced viability and reactive oxygen species-capturing of HBECs, without influencing epithelial cell count, metabolic activity, or barrier function. CONCLUSIONS We identify IL33 as an epithelial susceptibility gene for eosinophilia and asthma, provide mechanistic insight, and implicate targeting of the IL33 pathway specifically in eosinophilic asthma.
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Affiliation(s)
- Maria E Ketelaar
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Department of Pediatric Pulmonology and Pediatric Allergology, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Division of Respiratory Medicine, National Institute for Health Research Nottingham Biomedical Research Centre, Nottingham University Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom.
| | - Michael A Portelli
- Division of Respiratory Medicine, National Institute for Health Research Nottingham Biomedical Research Centre, Nottingham University Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom
| | - F Nicole Dijk
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Department of Pediatric Pulmonology and Pediatric Allergology, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Nick Shrine
- Department of Health Sciences, University of Leicester, Leicester, United Kingdom; National Institute for Health Research Leicester Respiratory Biomedical Research Centre, Leicester, United Kingdom
| | - Alen Faiz
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Department of Pulmonary Diseases, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Cornelis J Vermeulen
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Department of Pulmonary Diseases, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Cheng J Xu
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Department of Pediatric Pulmonology and Pediatric Allergology, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; CiiM & TWINCORE, Helmholtz-Centre for Infection Research and the Hannover Medical School, Hannover, Germany
| | - Jenny Hankinson
- Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Sangita Bhaker
- Division of Respiratory Medicine, National Institute for Health Research Nottingham Biomedical Research Centre, Nottingham University Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom
| | - Amanda P Henry
- Division of Respiratory Medicine, National Institute for Health Research Nottingham Biomedical Research Centre, Nottingham University Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom
| | - Charlote K Billington
- Division of Respiratory Medicine, National Institute for Health Research Nottingham Biomedical Research Centre, Nottingham University Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom
| | - Dominick E Shaw
- Division of Respiratory Medicine, National Institute for Health Research Nottingham Biomedical Research Centre, Nottingham University Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom
| | - Simon R Johnson
- Division of Respiratory Medicine, National Institute for Health Research Nottingham Biomedical Research Centre, Nottingham University Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom
| | - Andrew V Benest
- Division of Cancer and Stem Cells, School of Medicine, Biodiscovery Institute, University of Nottingham, Nottingham, and COMPARE University of Birmingham and University of Nottingham, Nottingham, United Kingdom
| | - Vincent Pang
- Division of Cancer and Stem Cells, School of Medicine, Biodiscovery Institute, University of Nottingham, Nottingham, and COMPARE University of Birmingham and University of Nottingham, Nottingham, United Kingdom
| | - David O Bates
- Division of Cancer and Stem Cells, School of Medicine, Biodiscovery Institute, University of Nottingham, Nottingham, and COMPARE University of Birmingham and University of Nottingham, Nottingham, United Kingdom
| | - Z E K Pogson
- Department of Respiratory Medicine, Lincoln County Hospital, Lincoln, United Kingdom; Division of Epidemiology and Public Health, University of Nottingham, Nottingham, United Kingdom
| | - Andrew Fogarty
- Division of Epidemiology and Public Health, University of Nottingham, Nottingham, United Kingdom
| | - Tricia M McKeever
- Division of Epidemiology and Public Health, University of Nottingham, Nottingham, United Kingdom
| | - Amisha Singapuri
- Institute for Lung Health, Department of Respiratory Sciences, Glenfield Hospital, University of Leicester, Leicester, United Kingdom
| | - Liam G Heaney
- Centre for Infection and Immunity, Queen's University of Belfast, Belfast, United Kingdom
| | - Adel H Mansur
- Respiratory Medicine, Birmingham Heartlands Hospital and University of Birmingham, Birmingham, United Kingdom
| | - Rekha Chaudhuri
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - Neil C Thomson
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
| | - John W Holloway
- Human Development and Health, Faculty of Medicine and National Institute of Health Biomedical Research Centre, University of Southampton, Southampton, United Kingdom; Clinical and Experimental Sciences, Faculty of Medicine and National Institute of Health Biomedical Research Centre, University of Southampton, Southampton, United Kingdom
| | - Gabrielle A Lockett
- Human Development and Health, Faculty of Medicine and National Institute of Health Biomedical Research Centre, University of Southampton, Southampton, United Kingdom; Clinical and Experimental Sciences, Faculty of Medicine and National Institute of Health Biomedical Research Centre, University of Southampton, Southampton, United Kingdom
| | - Peter H Howarth
- Human Development and Health, Faculty of Medicine and National Institute of Health Biomedical Research Centre, University of Southampton, Southampton, United Kingdom; Clinical and Experimental Sciences, Faculty of Medicine and National Institute of Health Biomedical Research Centre, University of Southampton, Southampton, United Kingdom
| | - Robert Niven
- Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Angela Simpson
- Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Martin D Tobin
- Department of Health Sciences, University of Leicester, Leicester, United Kingdom; National Institute for Health Research Leicester Respiratory Biomedical Research Centre, Leicester, United Kingdom
| | - Ian P Hall
- Division of Respiratory Medicine, National Institute for Health Research Nottingham Biomedical Research Centre, Nottingham University Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom
| | - Louise V Wain
- Department of Health Sciences, University of Leicester, Leicester, United Kingdom; National Institute for Health Research Leicester Respiratory Biomedical Research Centre, Leicester, United Kingdom
| | - John D Blakey
- Respiratory Medicine, Sir Charles Gairdner Hospital, Perth, Australia
| | - Christopher E Brightling
- National Institute for Health Research Leicester Respiratory Biomedical Research Centre, Leicester, United Kingdom; Institute for Lung Health, Department of Respiratory Sciences, Glenfield Hospital, University of Leicester, Leicester, United Kingdom
| | - Ma'en Obeidat
- The Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
| | - Don D Sin
- The Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada; Division of Respiratory Medicine, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - David C Nickle
- Department of Genetics and Pharmacogenomics, Merck Research Laboratories, Boston, Mass
| | - Yohan Bossé
- Department of Molecular Medicine, Institut Universitaire de Cardiologie et de Pneumologie de Québec, Laval University, Quebec City, Quebec, Canada
| | - Judith M Vonk
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Maarten van den Berge
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Division of Respiratory Medicine, National Institute for Health Research Nottingham Biomedical Research Centre, Nottingham University Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom
| | - Gerard H Koppelman
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Department of Pediatric Pulmonology and Pediatric Allergology, Beatrix Children's Hospital, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Ian Sayers
- Division of Respiratory Medicine, National Institute for Health Research Nottingham Biomedical Research Centre, Nottingham University Biodiscovery Institute, University of Nottingham, Nottingham, United Kingdom
| | - Martijn C Nawijn
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands; Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Saglani S, Bush A, Carroll W, Cunningham S, Fleming L, Gaillard E, Gupta A, Murray C, Nagakumar P, Paton J, Roberts G, Seddon P, Sinha I. Biologics for paediatric severe asthma: trick or TREAT? THE LANCET RESPIRATORY MEDICINE 2019; 7:294-296. [PMID: 30824361 DOI: 10.1016/s2213-2600(19)30045-1] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 01/14/2019] [Accepted: 01/24/2019] [Indexed: 12/26/2022]
Affiliation(s)
- Sejal Saglani
- National Heart & Lung Institute, Imperial College London, London SW7 2AZ, UK; Department of Respiratory Paediatrics, Royal Brompton Hospital, London, UK.
| | - Andrew Bush
- National Heart & Lung Institute, Imperial College London, London SW7 2AZ, UK; Department of Respiratory Paediatrics, Royal Brompton Hospital, London, UK
| | - Will Carroll
- Department of Paediatrics, University Hospital of North Midlands NHS Trust, Stoke-On-Trent, UK
| | - Steve Cunningham
- Centre for Inflammation Research, University of Edinburgh, Edinburgh, UK
| | - Louise Fleming
- National Heart & Lung Institute, Imperial College London, London SW7 2AZ, UK; Department of Respiratory Paediatrics, Royal Brompton Hospital, London, UK
| | - Erol Gaillard
- Department of Infection, Immunity and Inflammation, University of Leicester, Leicester, UK
| | - Atul Gupta
- Department of Paediatric Respiratory Medicine, King's College Hospital, London, UK
| | - Clare Murray
- Department of Respiratory Paediatrics, Royal Manchester Children's Hospital, Manchester University NHS Foundation Trust, Manchester, UK
| | - Prasad Nagakumar
- Department of Respiratory Paediatrics, Birmingham Women's & Children's Hospital, University of Birmingham, Birmingham, UK
| | - James Paton
- Department of Child Health, University of Glasgow, Glasgow, UK
| | - Graham Roberts
- Paediatric Allergy and Respiratory Medicine, University of Southampton, Southampton, UK
| | - Paul Seddon
- Children's and Adolescent Services, Brighton & Sussex University Hospital NHS Trust, Brighton, UK
| | - Ian Sinha
- Department of Women's & Children's Health, University of Liverpool, Liverpool, UK
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