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Borie R, Ba I, Debray MP, Kannengiesser C, Crestani B. Syndromic genetic causes of pulmonary fibrosis. Curr Opin Pulm Med 2024; 30:473-483. [PMID: 38896087 DOI: 10.1097/mcp.0000000000001088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
PURPOSE OF REVIEW The identification of extra-pulmonary symptoms plays a crucial role in diagnosing interstitial lung disease (ILD). These symptoms not only indicate autoimmune diseases but also hint at potential genetic disorders, suggesting a potential overlap between genetic and autoimmune origins. RECENT FINDINGS Genetic factors contributing to ILD are predominantly associated with telomere (TRG) and surfactant-related genes. While surfactant-related gene mutations typically manifest with pulmonary involvement alone, TRG mutations were initially linked to syndromic forms of pulmonary fibrosis, known as telomeropathies, which may involve hematological and hepatic manifestations with variable penetrance. Recognizing extra-pulmonary signs indicative of telomeropathy should prompt the analysis of TRG mutations, the most common genetic cause of familial pulmonary fibrosis. Additionally, various genetic diseases causing ILD, such as alveolar proteinosis, alveolar hemorrhage, or unclassifiable pulmonary fibrosis, often present as part of syndromes that include hepatic, hematological, or skin disorders. SUMMARY This review explores the main genetic conditions identified over the past two decades.
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Affiliation(s)
- Raphaël Borie
- Service de Pneumologie A Hôpital Bichat, APHP, Paris, France, Université Paris Cité, Inserm, PHERE, Université Paris Cité
| | | | | | | | - Bruno Crestani
- Service de Pneumologie A Hôpital Bichat, APHP, Paris, France, Université Paris Cité, Inserm, PHERE, Université Paris Cité
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2
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Adegunsoye A, Kropski JA, Behr J, Blackwell TS, Corte TJ, Cottin V, Glanville AR, Glassberg MK, Griese M, Hunninghake GM, Johannson KA, Keane MP, Kim JS, Kolb M, Maher TM, Oldham JM, Podolanczuk AJ, Rosas IO, Martinez FJ, Noth I, Schwartz DA. Genetics and Genomics of Pulmonary Fibrosis: Charting the Molecular Landscape and Shaping Precision Medicine. Am J Respir Crit Care Med 2024; 210:401-423. [PMID: 38573068 PMCID: PMC11351799 DOI: 10.1164/rccm.202401-0238so] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 04/04/2024] [Indexed: 04/05/2024] Open
Abstract
Recent genetic and genomic advancements have elucidated the complex etiology of idiopathic pulmonary fibrosis (IPF) and other progressive fibrotic interstitial lung diseases (ILDs), emphasizing the contribution of heritable factors. This state-of-the-art review synthesizes evidence on significant genetic contributors to pulmonary fibrosis (PF), including rare genetic variants and common SNPs. The MUC5B promoter variant is unusual, a common SNP that markedly elevates the risk of early and established PF. We address the utility of genetic variation in enhancing understanding of disease pathogenesis and clinical phenotypes, improving disease definitions, and informing prognosis and treatment response. Critical research gaps are highlighted, particularly the underrepresentation of non-European ancestries in PF genetic studies and the exploration of PF phenotypes beyond usual interstitial pneumonia/IPF. We discuss the role of telomere length, often critically short in PF, and its link to progression and mortality, underscoring the genetic complexity involving telomere biology genes (TERT, TERC) and others like SFTPC and MUC5B. In addition, we address the potential of gene-by-environment interactions to modulate disease manifestation, advocating for precision medicine in PF. Insights from gene expression profiling studies and multiomic analyses highlight the promise for understanding disease pathogenesis and offer new approaches to clinical care, therapeutic drug development, and biomarker discovery. Finally, we discuss the ethical, legal, and social implications of genomic research and therapies in PF, stressing the need for sound practices and informed clinical genetic discussions. Looking forward, we advocate for comprehensive genetic testing panels and polygenic risk scores to improve the management of PF and related ILDs across diverse populations.
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Affiliation(s)
- Ayodeji Adegunsoye
- Pulmonary/Critical Care, and
- Committee on Clinical Pharmacology and Pharmacogenomics, University of Chicago, Chicago, Illinois
| | - Jonathan A. Kropski
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, Tennessee
- Department of Veterans Affairs Medical Center, Nashville, Tennessee
| | - Juergen Behr
- Department of Medicine V, University Hospital, Ludwig Maximilian University of Munich, Munich, Germany
- Comprehensive Pneumology Center Munich, member of the German Center for Lung Research (DZL), Munich, Germany
| | - Timothy S. Blackwell
- Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, Tennessee
- Department of Veterans Affairs Medical Center, Nashville, Tennessee
| | - Tamera J. Corte
- Centre of Research Excellence in Pulmonary Fibrosis, Camperdown, New South Wales, Australia
- Department of Respiratory and Sleep Medicine, Royal Prince Alfred Hospital, Camperdown, New South Wales, Australia
- University of Sydney, Sydney, New South Wales, Australia
| | - Vincent Cottin
- National Reference Center for Rare Pulmonary Diseases (OrphaLung), Louis Pradel Hospital, Hospices Civils de Lyon, ERN-LUNG (European Reference Network on Rare Respiratory Diseases), Lyon, France
- Claude Bernard University Lyon, Lyon, France
| | - Allan R. Glanville
- Lung Transplant Unit, St. Vincent’s Hospital Sydney, Sydney, New South Wales, Australia
| | - Marilyn K. Glassberg
- Department of Medicine, Loyola Chicago Stritch School of Medicine, Chicago, Illinois
| | - Matthias Griese
- Department of Pediatric Pneumology, Dr. von Hauner Children’s Hospital, Ludwig-Maximilians-University, German Center for Lung Research, Munich, Germany
| | - Gary M. Hunninghake
- Harvard Medical School, Boston, Massachusetts
- Division of Pulmonary and Critical Care Medicine, Brigham and Women’s Hospital, Boston, Massachusetts
| | | | - Michael P. Keane
- Department of Respiratory Medicine, St. Vincent’s University Hospital and School of Medicine, University College Dublin, Dublin, Ireland
| | - John S. Kim
- Department of Medicine, School of Medicine, and
| | - Martin Kolb
- Department of Medicine, McMaster University, Hamilton, Ontario, Canada
| | - Toby M. Maher
- Department of Medicine, Keck School of Medicine of University of Southern California, Los Angeles, California
- National Heart and Lung Institute, Imperial College, London, United Kingdom
| | - Justin M. Oldham
- Division of Pulmonary and Critical Care Medicine, University of Michigan, Ann Arbor, Michigan
| | | | | | - Fernando J. Martinez
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Weill Cornell Medicine, New York, New York; and
| | - Imre Noth
- Division of Pulmonary and Critical Care Medicine, University of Virginia, Charlottesville, Virginia
| | - David A. Schwartz
- Department of Medicine, School of Medicine, University of Colorado, Aurora, Colorado
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Zamora AC, Ortega VE, Carmona EM. When the Third Time Is Not the Charm-Trial Outcomes in Idiopathic Pulmonary Fibrosis. JAMA 2024; 332:374-376. [PMID: 38762799 DOI: 10.1001/jama.2024.8776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/20/2024]
Affiliation(s)
- Ana C Zamora
- Department of Internal Medicine, Division of Respiratory Medicine, Mayo Clinic, Phoenix, Arizona
- Interstitial Lung Disease Clinic, Mayo Clinic, Phoenix, Arizona
| | - Victor E Ortega
- Center for Individualized Medicine, Mayo Clinic, Phoenix, Arizona
- Associate Editor, JAMA
| | - Eva M Carmona
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota
- Interstitial Lung Disease Clinic, Mayo Clinic, Rochester, Minnesota
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4
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Zhang D, Eckhardt CM, McGroder C, Benesh S, Porcelli J, Depender C, Bogyo K, Westrich J, Thomas-Wilson A, Jobanputra V, Garcia CK. Clinical Impact of Telomere Length Testing for Interstitial Lung Disease. Chest 2024:S0012-3692(24)00808-0. [PMID: 38950694 DOI: 10.1016/j.chest.2024.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 06/05/2024] [Accepted: 06/06/2024] [Indexed: 07/03/2024] Open
Abstract
BACKGROUND Shortened telomere length (TL) is a genomic risk factor for fibrotic interstitial lung disease (ILD), but its role in clinical management is unknown. RESEARCH QUESTION What is the clinical impact of TL testing on the management of ILD? STUDY DESIGN AND METHODS Patients were evaluated in the Columbia University ILD clinic and underwent Clinical Laboratory Improvement Amendments-certified TL testing by flow cytometry and fluorescence in situ hybridization (FlowFISH) as part of clinical treatment. Short TL was defined as below the 10th age-adjusted percentile for either granulocytes or lymphocytes by FlowFISH. Patients were offered genetic counseling and testing if they had short TL or a family history of ILD. FlowFISH TL was compared with research quantitative polymerase chain reaction (qPCR) TL measurement. RESULTS A total of 108 patients underwent TL testing, including those with clinical features of short telomere syndrome such as familial pulmonary fibrosis (50%) or extrapulmonary manifestations in the patient (25%) or a relative (41%). The overall prevalence of short TL was 46% and was similar across clinical ILD diagnoses. The number of short telomere clinical features was independently associated with detecting short TL (OR, 2.00; 95% CI, 1.27-3.32). TL testing led to clinical treatment changes for 35 patients (32%), most commonly resulting in reduction or avoidance of immunosuppression. Of the patients who underwent genetic testing (n = 34), a positive or candidate diagnostic finding in telomere-related genes was identified in 10 patients (29%). Inclusion of TL testing below the 1st percentile helped reclassify eight of nine variants of uncertain significance into actionable findings. The qPCR test correlated with FlowFISH, but age-adjusted percentile cutoffs may not be equivalent between the two assays. INTERPRETATION Incorporating TL testing in ILD impacted clinical management and led to the discovery of new actionable genetic variants.
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Affiliation(s)
- David Zhang
- Department of Medicine, Columbia University Irving Medical Center, New York, NY.
| | | | - Claire McGroder
- Department of Medicine, Columbia University Irving Medical Center, New York, NY
| | - Shannon Benesh
- Department of Medicine, Columbia University Irving Medical Center, New York, NY
| | | | | | - Kelsie Bogyo
- Department of Medicine, Columbia University Irving Medical Center, New York, NY
| | - Joseph Westrich
- Department of Medicine, Columbia University Irving Medical Center, New York, NY
| | | | - Vaidehi Jobanputra
- Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY; New York Genome Center, New York, NY
| | - Christine K Garcia
- Department of Medicine, Columbia University Irving Medical Center, New York, NY
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Villeneuve J, Tremblay É, Gaudreault N, Saavedra Armero V, Boudreau DK, Li Z, Renaut S, Dion G, Bossé Y. A Test to Comprehensively Capture the Known Genetic Component of Familial Pulmonary Fibrosis. Am J Respir Cell Mol Biol 2024; 70:437-445. [PMID: 38363828 PMCID: PMC11160413 DOI: 10.1165/rcmb.2024-0009ma] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 02/15/2024] [Indexed: 02/18/2024] Open
Abstract
The recent European Respiratory Society statement on familial pulmonary fibrosis supports the need for genetic testing in the care of patients and their relatives. However, no solution (i.e., a concrete test) was provided to implement genetic testing in daily practice. Herein, we tabulated and standardized the nomenclature of 128 genetic variants in 20 genes implicated in adult-onset pulmonary fibrosis. The objective was to develop a laboratory-developed test (LDT) on the basis of standard Sanger sequencing to capture all known familial pulmonary fibrosis-associated variants. Targeted DNA fragments were amplified using harmonized PCR conditions to perform the LDT in a single 96-well plate. The new genetic test was evaluated in 62 sporadic cases of idiopathic pulmonary fibrosis. As expected in this population, we observed a low yield of disease-causing mutations. More important, 100% of targeted variants by the LDT were successfully evaluated. Furthermore, four variants of uncertain significance with in silico-predicted deleterious scores were identified in three patients, suggesting novel pathogenic variants in genes known to cause idiopathic pulmonary fibrosis. Finally, the MUC5B promoter variant rs35705950 was strongly enriched in these patients with a minor allele frequency of 41.1% compared with 10.6% in a matched population-based cohort (n = 29,060), leading to an estimation that this variant may explain up to 35% of the population-attributable risk. This LDT provides a solution for rapid clinical translation. Technical laboratory details are provided so that specialized pulmonary centers can implement the LDT in house to expedite the clinical recommendations of expert panels.
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Affiliation(s)
- Judith Villeneuve
- Institut Universitaire de Cardiologie et de Pneumologie de Québec and
| | - Élody Tremblay
- Institut Universitaire de Cardiologie et de Pneumologie de Québec and
| | | | | | | | - Zhonglin Li
- Institut Universitaire de Cardiologie et de Pneumologie de Québec and
| | - Sébastien Renaut
- Institut Universitaire de Cardiologie et de Pneumologie de Québec and
| | - Geneviève Dion
- Institut Universitaire de Cardiologie et de Pneumologie de Québec and
| | - Yohan Bossé
- Institut Universitaire de Cardiologie et de Pneumologie de Québec and
- Département de Médecine Moléculaire, Université Laval, Québec, Québec, Canada
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Hurley K, Ozaki M, Philippot Q, Galvin L, Crosby D, Kirwan M, Gill DR, Alysandratos KD, Jenkins G, Griese M, Nathan N, Borie R. A roadmap to precision treatments for familial pulmonary fibrosis. EBioMedicine 2024; 104:105135. [PMID: 38718684 PMCID: PMC11096859 DOI: 10.1016/j.ebiom.2024.105135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/14/2024] [Accepted: 04/15/2024] [Indexed: 05/19/2024] Open
Abstract
Interstitial lung diseases (ILDs) in adults and children (chILD) are a heterogeneous group of lung disorders leading to inflammation, abnormal tissue repair and scarring of the lung parenchyma often resulting in respiratory failure and death. Inherited factors directly cause, or contribute significantly to the risk of developing ILD, so called familial pulmonary fibrosis (FPF), and monogenic forms may have a poor prognosis and respond poorly to current treatments. Specific, variant-targeted or precision treatments are lacking. Clinical trials of repurposed drugs, anti-fibrotic medications and specific treatments are emerging but for many patients no interventions exist. We convened an expert working group to develop an overarching framework to address the existing research gaps in basic, translational, and clinical research and identified areas for future development of preclinical models, candidate medications and innovative clinical trials. In this Position Paper, we summarise working group discussions, recommendations, and unresolved questions concerning precision treatments for FPF.
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Affiliation(s)
- Killian Hurley
- Department of Medicine, Royal College of Surgeons in Ireland, Education and Research Centre, Beaumont Hospital, Dublin 9, Ireland; Tissue Engineering Research Group, Royal College of Surgeons in Ireland, Dublin 2, Ireland.
| | - Mari Ozaki
- Department of Medicine, Royal College of Surgeons in Ireland, Education and Research Centre, Beaumont Hospital, Dublin 9, Ireland; Tissue Engineering Research Group, Royal College of Surgeons in Ireland, Dublin 2, Ireland
| | - Quentin Philippot
- Université Paris Cité, Inserm, PHERE, Hôpital Bichat, AP-HP, Service de Pneumologie A, Centre Constitutif du Centre de Référence des Maladies Pulmonaires Rares, FHU APOLLO, Paris, France; Physiopathology and Epidemiology of Respiratory Diseases, Inserm U1152, UFR de Médecine, Université Paris Cité, 75018, Paris, France
| | - Liam Galvin
- European Pulmonary Fibrosis Federation, Overijse, Belgium
| | | | - Mary Kirwan
- Department of General Practice, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Deborah R Gill
- UK Respiratory Gene Therapy Consortium, London, United Kingdom; Gene Medicine Research Group, Radcliffe Department of Medicine (NDCLS), University of Oxford, Oxford, United Kingdom
| | - Konstantinos-Dionysios Alysandratos
- Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, MA, 02118, USA; The Pulmonary Center and Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston, MA, 02118, USA
| | - Gisli Jenkins
- Imperial College London, 4615, National Heart & Lung Institute, London, United Kingdom of Great Britain and Northern Ireland
| | - Matthias Griese
- Department of Pediatric Pneumology, German Center for Lung Research (DZL), Dr von Hauner Children's Hospital, Ludwig-Maximilians-University, Munich, Germany
| | - Nadia Nathan
- Sorbonne Université, Pediatric Pulmonology and Reference Center for Rare Lung Diseases RespiRare, Inserm U933 Laboratory of Childhood Genetic Diseases, Armand Trousseau Hospital, APHP, Paris, France
| | - Raphael Borie
- Université Paris Cité, Inserm, PHERE, Hôpital Bichat, AP-HP, Service de Pneumologie A, Centre Constitutif du Centre de Référence des Maladies Pulmonaires Rares, FHU APOLLO, Paris, France
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7
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Alrehaili G, Kemppainen J, Kalra S, Pinto E Vairo F, Moua T, Yi ES, Ferrer A, Patnaik MM, Carmona EM. Genetic Testing Goes Beyond Imaging and Histological Evaluation in Pleuroparenchymal Fibroelastosis. Lung 2024; 202:151-156. [PMID: 38461429 PMCID: PMC11009725 DOI: 10.1007/s00408-024-00685-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 02/17/2024] [Indexed: 03/12/2024]
Abstract
BACKGROUND Lung biopsy remains the gold standard in the diagnosis of fibrotic interstitial lung disease (F-ILD), but there is a growing appreciation of the role of pathogenic gene variants in telomere and surfactant protein genes, especially in familial pulmonary fibrosis (FPF). Pleuroparenchymal fibroelastosis (PPFE) is a rare disease that can coexist with different patterns of F-ILD, including FPF. It can be progressive and often leads to respiratory failure and death. This study tested the hypothesis that genetic testing goes beyond radiological and histological findings in PPFE and other F-ILD further informing clinical decision-making for patients and affected family members by identifying pathological gene variants in telomere and surfactant protein genes. METHODS This is a retrospective review of 70 patients with F-ILD in the setting of FPF or premature lung fibrosis. Six out of 70 patients were diagnosed with PPFE based on radiological or histological characteristics. All patients underwent telomere length evaluation in peripheral blood by Flow-FISH or genetic testing using a customized exome-based panel that included telomere and surfactant protein genes associated with lung fibrosis. RESULTS Herein, we identified six individuals where radiographic or histopathological analyses of PPFE were linked with telomere biology disorders (TBD) or variants in surfactant protein genes. Each case involved individuals with either personal early-onset lung fibrosis or a family history of the disease. Assessments of telomere length and genetic testing offered insights beyond traditional radiological and histopathological evaluations. CONCLUSION Detecting anomalies in TBD-related or surfactant protein genes can significantly refine the diagnosis and treatment strategies for individuals with PPFE and other F-ILD.
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Affiliation(s)
- Ghadah Alrehaili
- Department of Pulmonary and Critical Care, Mayo Clinic, Rochester, MN, USA
| | - Jennifer Kemppainen
- Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
- Clinical Genomics, Mayo Clinic, Rochester, MN, USA
| | - Sanjay Kalra
- Department of Pulmonary and Critical Care, Mayo Clinic, Rochester, MN, USA
| | - Filippo Pinto E Vairo
- Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA
- Clinical Genomics, Mayo Clinic, Rochester, MN, USA
| | - Teng Moua
- Department of Pulmonary and Critical Care, Mayo Clinic, Rochester, MN, USA
| | - Eunhee S Yi
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Alejandro Ferrer
- Hematology/Oncology Departments, Mayo Clinic, Rochester, MN, USA
| | - Mrinal M Patnaik
- Hematology/Oncology Departments, Mayo Clinic, Rochester, MN, USA
| | - Eva M Carmona
- Department of Pulmonary and Critical Care, Mayo Clinic, Rochester, MN, USA.
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Froidure A, Bondue B, Dahlqvist C, Guiot J, Gusbin N, Wirtz G, Brusselle G, Strens D, Slabbynck H, Wuyts WA. Clinical course of suspected familial and sporadic idiopathic pulmonary fibrosis: Data from the PROOF-Next registry. Respirology 2024; 29:304-311. [PMID: 38123492 DOI: 10.1111/resp.14650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND AND OBJECTIVE Real-life data on suspected familial fibrosis, defined as the occurrence of the disease in a patient younger than 50 and/or having at least one relative affected by pulmonary fibrosis remain scarce. METHODS The Belgian and Luxembourg IPF registry (PROOF-Next) is a multicentric prospective longitudinal and observational study set in Belgium and Luxembourg. We compared characteristics and clinical course of patients with suspected familial pulmonary fibrosis (FPF) and sporadic IPF. RESULTS We included 618 patients in the analysis, of whom 76 (12%) fulfilled criteria for FPF. They were significantly younger than sIPF (median age (range) 65 (43-87), vs. 72 (51-98), p = 0.0001). Male gender proportion and smoking status did not differ between groups, but the number of pack-year among current and former smokers was lower in FPF (20 vs. 25, p = 0.02). Besides, 87% of FPF and 76% of sIPF were treated with antifibrotic (p = 0.047). Baseline pulmonary function tests were similar in both groups, as well as median time before progression and transplant-free survival. Finally, genetic testing, performed in a minority, led to the identification of 10 telomerase-related gene variants. CONCLUSION Although younger and exposed to less tobacco, patients with FPF show an equally aggressive progression as observed in sporadic IPF patients. These results warrant early referral of FPF patients to expert centres for optimal management.
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Affiliation(s)
- Antoine Froidure
- Pulmonology Department, Cliniques Universitaires Saint-Luc, Bruxelles, Belgium
- European Reference Network for Rare Pulmonary Diseases (ERN-LUNG)
| | - Benjamin Bondue
- European Reference Network for Rare Pulmonary Diseases (ERN-LUNG)
- Pulmonology Department, Hôpital Erasme, Bruxelles, Belgium
| | | | - Julien Guiot
- Pulmonology Department, CHU Liège, Liège, Belgium
| | | | - Gil Wirtz
- Pulmonology Department, CHL Luxembourg, Luxembourg, Luxembourg
| | - Guy Brusselle
- European Reference Network for Rare Pulmonary Diseases (ERN-LUNG)
- Pulmonology Department, Ghent University Hospital, Gent, Belgium
| | | | - Hans Slabbynck
- Pulmonology Department, ZNA Middelheim, Antwerpen, Belgium
| | - Wim A Wuyts
- European Reference Network for Rare Pulmonary Diseases (ERN-LUNG)
- Pulmonology Department, UZ Leuven, Leuven, Belgium
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Hu A, Patnaik MM, Kelm DJ. A Woman with Progressive Cough, Dyspnea, and Early Graying of Her Hair. Ann Am Thorac Soc 2024; 21:499-503. [PMID: 38426822 DOI: 10.1513/annalsats.202304-336cc] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 01/30/2024] [Indexed: 03/02/2024] Open
Affiliation(s)
- Alan Hu
- Department of Internal Medicine
| | | | - Diana J Kelm
- Department of Internal Medicine
- Division of Pulmonary and Critical Care, Mayo Clinic, Rochester, Minnesota
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10
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Del Valle KT, Carmona EM. Diagnosis and Management of Pulmonary Manifestations of Telomere Biology Disorders. Curr Hematol Malig Rep 2023:10.1007/s11899-023-00720-9. [PMID: 38159192 DOI: 10.1007/s11899-023-00720-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/13/2023] [Indexed: 01/03/2024]
Abstract
PURPOSE OF REVIEW Telomere biology disorders (TBD) are a group of genetic disorders characterized by premature shortening of telomeres, resulting in accelerated aging of somatic cells. This often leads to major multisystem organ dysfunction, and TBDs have become increasingly recognized as a significant contributor to numerous disease processes within the past 10-15 years. Both research and clinical practice in this field are rapidly evolving. RECENT FINDINGS A subset of patients with TBD suffers from interstitial lung disease, most commonly pulmonary fibrosis. Often, the clinical presentation is indistinguishable from other forms of lung fibrosis. There are no pathognomonic radiographic or histological features, and a high level of suspicion is therefore required. Telomere evaluation is thus crucial to establishing the diagnosis. This review details the clinical presentation, objective evaluation, indicated genetic testing, and recommended management strategies for patients affected by interstitial lung disease associated with TBDs. Our goal is to empower pulmonologists and other healthcare professionals who care for these patients to provide appropriate and personalized care for this population.
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Affiliation(s)
- Kathryn T Del Valle
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Eva M Carmona
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, USA.
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11
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Niewisch MR. Clinical manifestations of telomere biology disorders in adults. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2023; 2023:563-572. [PMID: 38066848 PMCID: PMC10726987 DOI: 10.1182/hematology.2023000490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
Telomere biology disorders (TBDs) are a spectrum of inherited bone marrow failure syndromes caused by impaired telomere function due to pathogenic germline variants in genes involved in telomere maintenance. TBDs can affect many organ systems and are often thought of as diseases of childhood. However, TBDs may present in mid- or even late adulthood with features similar to but not always the same as the childhood-onset TBDs. Adult-onset TBDs are often cryptic with isolated pulmonary, liver, or hematologic disease, or cancer, and may lack the classic disease-defining triad of abnormal skin pigmentation, nail dysplasia, and oral leukoplakia. Diagnostics include detection of very short leukocyte telomeres and germline genetic testing. Notably, adult-onset TBDs may show telomeres in the 1st to 10th percentile for age, and some cases may not have an identifiable genetic cause. TBD genetic etiology includes all modes of inheritance, with autosomal dominant the most frequent in adult-onset disease. Variable symptom onset due to incomplete penetrance, variable expressivity, and genetic anticipation add to the diagnostic challenges. Adult-onset TBDs are likely underrecognized, but their correct identification is of utmost importance, since affected patients are faced with numerous clinical complications, including but not limited to an increased risk of malignancies requiring close surveillance for early detection. Currently lung, liver, or hematopoietic cell transplants are the only curative therapeutic approaches but can be complicated by comorbidities, despite improved medical care. This review highlights the challenges of identifying adult-onset TBDs and addresses currently recommended clinical screening measures and therapy options.
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Affiliation(s)
- Marena R. Niewisch
- Department of Pediatric Hematology and Oncology, Hannover Medical School, Hannover, Germany
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12
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Ongie L, Raj HA, Stevens KB. Genetic Counseling and Family Screening Recommendations in Patients with Telomere Biology Disorders. Curr Hematol Malig Rep 2023; 18:273-283. [PMID: 37787873 DOI: 10.1007/s11899-023-00713-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/11/2023] [Indexed: 10/04/2023]
Abstract
PURPOSE OF REVIEW Telomere biology disorders (TBDs) encompass a spectrum of genetic diseases with a common pathogenesis of defects in telomerase function and telomere maintenance causing extremely short telomere lengths. Here, we review the current literature surrounding genetic testing strategies, cascade testing, reproductive implications, and the role of genetic counseling. RECENT FINDINGS The understanding of the genetic causes and clinical symptoms of TBDs continues to expand while genetic testing and telomere length testing are nuanced tools utilized in the diagnosis of this condition. Access to genetic counseling is becoming more abundant and is valuable in supporting patients and their families in making informed decisions. Patient resources and support groups are valuable to this community. Defining which populations should be offered genetic counseling and testing is imperative to provide proper diagnoses and medical management for not only the primary patient, but also their biological relatives.
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Affiliation(s)
| | - Hannah A Raj
- Team Telomere, Inc., New York, NY, USA
- College of Medicine, University of Illinois, Chicago, IL, USA
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Banaszak LG, Smith-Simmer K, Shoger K, Lovrien L, Malik A, Sandbo N, Sultan S, Guzy R, Lowery EM, Churpek JE. Implementation of a prospective screening strategy to identify adults with a telomere biology disorder among those undergoing lung transplant evaluation for interstitial lung disease. Respir Med 2023; 220:107464. [PMID: 37951311 DOI: 10.1016/j.rmed.2023.107464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 11/04/2023] [Accepted: 11/06/2023] [Indexed: 11/13/2023]
Abstract
INTRODUCTION Patients with interstitial lung disease (ILD) secondary to telomere biology disorders (TBD) experience increased morbidity after lung transplantation. Identifying patients with TBD may allow for personalized management to facilitate better outcomes. However, establishing a TBD diagnosis in adults is challenging. METHODS A TBD screening questionnaire was introduced prospectively into the lung transplant evaluation. Patients with ILD screening positive were referred for comprehensive TBD phenotyping and concurrent telomere length measurement and germline genetic testing. RESULTS Of 98 patients, 32 (33%) screened positive. Eight patients (8% of total; 25% of patients with a positive screen) met strict TBD diagnostic criteria, requiring either critically short lymphocyte telomeres (<1st percentile) (n = 4), a pathogenic variant in a TBD-associated gene (n = 1), or both (n = 3) along with a TBD clinical phenotype. Additional patients not meeting strict diagnostic criteria had histories consistent with TBD along with telomere lengths <10th percentile and/or rare variants in TBD-associated genes, highlighting a critical need to refine TBD diagnostic criteria for this patient population. CONCLUSION A TBD phenotype screening questionnaire in patients with ILD undergoing lung transplant evaluation has a diagnostic yield of 25%. Additional gene discovery, rare variant functional testing, and refined TBD diagnostic criteria are needed to realize the maximum benefit of testing for TBD in patients undergoing lung transplantation.
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Affiliation(s)
- Lauren G Banaszak
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, 53705, USA.
| | - Kelcy Smith-Simmer
- Oncology Genetics, University of Wisconsin Carbone Cancer Center, UW Health, Madison, WI, 53705, USA
| | - Kyle Shoger
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Lauren Lovrien
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Amy Malik
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Nathan Sandbo
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Samir Sultan
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Robert Guzy
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Erin M Lowery
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, 53705, USA
| | - Jane E Churpek
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, 53705, USA.
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Hollmén M, Laaka A, Partanen JJ, Koskela J, Sutinen E, Kaarteenaho R, Ainola M, Myllärniemi M. KIF15 missense variant is associated with the early onset of idiopathic pulmonary fibrosis. Respir Res 2023; 24:240. [PMID: 37777755 PMCID: PMC10543873 DOI: 10.1186/s12931-023-02540-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 09/15/2023] [Indexed: 10/02/2023] Open
Abstract
BACKGROUND Idiopathic pulmonary fibrosis (IPF) has an unknown aetiology and limited treatment options. A recent meta-analysis identified three novel causal variants in the TERT, SPDL1, and KIF15 genes. This observational study aimed to investigate whether the aforementioned variants cause clinical phenotypes in a well-characterised IPF cohort. METHODS The study consisted of 138 patients with IPF who were diagnosed and treated at the Helsinki University Hospital and genotyped in the FinnGen FinnIPF study. Data on > 25 clinical parameters were collected by two pulmonologists who were blinded to the genetic data for patients with TERT loss of function and missense variants, SPDL1 and KIF15 missense variants, and a MUC5B variant commonly present in patients with IPF, or no variants were separately analysed. RESULTS The KIF15 missense variant is associated with the early onset of the disease, leading to progression to early-age transplantation or death. In patients with the KIF15 variant, the median age at diagnosis was 54.0 years (36.5-69.5 years) compared with 72.0 years (65.8-75.3 years) in the other patients (P = 0.023). The proportion of KIF15 variant carriers was 9- or 3.6-fold higher in patients aged < 55 or 65 years, respectively. The variants for TERT and MUC5B had similar effects on the patient's clinical course, as previously described. No distinct phenotypes were observed in patients with the SPDL1 variant. CONCLUSIONS Our study indicated the potential of KIF15 to be used in the genetic diagnostics of IPF. Further studies are needed to elucidate the biological mechanisms of KIF15 in IPF.
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Affiliation(s)
- Maria Hollmén
- Individrug, Heart and Lung Centre, The University of Helsinki and Helsinki University Hospital, Research Programs Unit, Helsinki, Finland
| | - Atte Laaka
- Individrug, Heart and Lung Centre, The University of Helsinki and Helsinki University Hospital, Research Programs Unit, Helsinki, Finland
| | - Juulia J. Partanen
- Institute for Molecular Medicine Finland (FIMM), Helsinki Institute of Life Science (HiLIFE), University of Helsinki, Helsinki, Finland
| | - Jukka Koskela
- Institute for Molecular Medicine Finland (FIMM), Helsinki Institute of Life Science (HiLIFE), University of Helsinki, Helsinki, Finland
| | - Eva Sutinen
- Individrug, Heart and Lung Centre, The University of Helsinki and Helsinki University Hospital, Research Programs Unit, Helsinki, Finland
| | - Riitta Kaarteenaho
- Research Unit of Biomedicine and Internal Medicine, University of Oulu and Oulu University Hospital, Oulu, Finland
| | - Mari Ainola
- Individrug, Heart and Lung Centre, The University of Helsinki and Helsinki University Hospital, Research Programs Unit, Helsinki, Finland
| | - Marjukka Myllärniemi
- Individrug, Heart and Lung Centre, The University of Helsinki and Helsinki University Hospital, Research Programs Unit, Helsinki, Finland
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Spagnolo P, Lee JS. Recent advances in the genetics of idiopathic pulmonary fibrosis. Curr Opin Pulm Med 2023; 29:399-405. [PMID: 37410458 PMCID: PMC10470435 DOI: 10.1097/mcp.0000000000000989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/07/2023]
Abstract
PURPOSE OF REVIEW Genetics contributes substantially to the susceptibility to idiopathic pulmonary fibrosis (IPF). Genetic studies in sporadic and familial disease have identified several IPF-associated variants, mainly in telomere-related and surfactant protein genes.Here, we review the most recent literature on genetics of IPF and discuss how it may contribute to disease pathogenesis. RECENT FINDINGS Recent studies implicate genes involved in telomere maintenance, host defence, cell growth, mammalian target of rapamycin signalling, cell-cell adhesion, regulation of TGF-β signalling and spindle assembly as biological processes involved in the pathogenesis of IPF. Both common and rare genetic variants contribute to the overall risk of IPF; however, while common variants (i.e. polymorphisms) account for most of the heritability of sporadic disease, rare variants (i.e. mutations), mainly in telomere-related genes, are the main contributors to the heritability of familial disease. Genetic factors are likely to also influence disease behaviour and prognosis. Finally, recent data suggest that IPF shares genetic associations - and probably some pathogenetic mechanisms - with other fibrotic lung diseases. SUMMARY Common and rare genetic variants are associated with susceptibility and prognosis of IPF. However, many of the reported variants fall in noncoding regions of the genome and their relevance to disease pathobiology remains to be elucidated.
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Affiliation(s)
- Paolo Spagnolo
- Respiratory Disease Unit, Department of Cardiac Thoracic, Vascular Sciences and Public Health, University of Padova, Padova, Italy
| | - Joyce S Lee
- University of Colorado Denver, Anschutz Medical Campus, Aurora, Colorado, USA
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16
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Stanel SC, Callum J, Rivera-Ortega P. Genetic and environmental factors in interstitial lung diseases: current and future perspectives on early diagnosis of high-risk cohorts. Front Med (Lausanne) 2023; 10:1232655. [PMID: 37601795 PMCID: PMC10435297 DOI: 10.3389/fmed.2023.1232655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/24/2023] [Indexed: 08/22/2023] Open
Abstract
Within the wide scope of interstitial lung diseases (ILDs), familial pulmonary fibrosis (FPF) is being increasingly recognized as a specific entity, with earlier onset, faster progression, and suboptimal responses to immunosuppression. FPF is linked to heritable pathogenic variants in telomere-related genes (TRGs), surfactant-related genes (SRGs), telomere shortening (TS), and early cellular senescence. Telomere abnormalities have also been identified in some sporadic cases of fibrotic ILD. Air pollution and other environmental exposures carry additive risk to genetic predisposition in pulmonary fibrosis. We provide a perspective on how these features impact on screening strategies for relatives of FPF patients, interstitial lung abnormalities, ILD multi-disciplinary team (MDT) discussion, and disparities and barriers to genomic testing. We also describe our experience with establishing a familial interstitial pneumonia (FIP) clinic and provide guidance on how to identify patients with telomere dysfunction who would benefit most from genomic testing.
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Affiliation(s)
- Stefan Cristian Stanel
- Interstitial Lung Disease Unit, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, United Kingdom
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Jack Callum
- Interstitial Lung Disease Unit, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, United Kingdom
| | - Pilar Rivera-Ortega
- Interstitial Lung Disease Unit, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester, United Kingdom
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17
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García-García A, Pérez de Diego R, Flores C, Rinchai D, Solé-Violán J, Deyà-Martínez À, García-Solis B, Lorenzo-Salazar JM, Hernández-Brito E, Lanz AL, Moens L, Bucciol G, Almuqamam M, Domachowske JB, Colino E, Santos-Perez JL, Marco FM, Pignata C, Bousfiha A, Turvey SE, Bauer S, Haerynck F, Ocejo-Vinyals JG, Lendinez F, Prader S, Naumann-Bartsch N, Pachlopnik Schmid J, Biggs CM, Hildebrand K, Dreesman A, Cárdenes MÁ, Ailal F, Benhsaien I, Giardino G, Molina-Fuentes A, Fortuny C, Madhavarapu S, Conway DH, Prando C, Schidlowski L, Martínez de Saavedra Álvarez MT, Alfaro R, Rodríguez de Castro F, Meyts I, Hauck F, Puel A, Bastard P, Boisson B, Jouanguy E, Abel L, Cobat A, Zhang Q, Casanova JL, Alsina L, Rodríguez-Gallego C. Humans with inherited MyD88 and IRAK-4 deficiencies are predisposed to hypoxemic COVID-19 pneumonia. J Exp Med 2023; 220:e20220170. [PMID: 36880831 PMCID: PMC9998661 DOI: 10.1084/jem.20220170] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 11/11/2022] [Accepted: 01/30/2023] [Indexed: 03/08/2023] Open
Abstract
X-linked recessive deficiency of TLR7, a MyD88- and IRAK-4-dependent endosomal ssRNA sensor, impairs SARS-CoV-2 recognition and type I IFN production in plasmacytoid dendritic cells (pDCs), thereby underlying hypoxemic COVID-19 pneumonia with high penetrance. We report 22 unvaccinated patients with autosomal recessive MyD88 or IRAK-4 deficiency infected with SARS-CoV-2 (mean age: 10.9 yr; 2 mo to 24 yr), originating from 17 kindreds from eight countries on three continents. 16 patients were hospitalized: six with moderate, four with severe, and six with critical pneumonia, one of whom died. The risk of hypoxemic pneumonia increased with age. The risk of invasive mechanical ventilation was also much greater than in age-matched controls from the general population (OR: 74.7, 95% CI: 26.8-207.8, P < 0.001). The patients' susceptibility to SARS-CoV-2 can be attributed to impaired TLR7-dependent type I IFN production by pDCs, which do not sense SARS-CoV-2 correctly. Patients with inherited MyD88 or IRAK-4 deficiency were long thought to be selectively vulnerable to pyogenic bacteria, but also have a high risk of hypoxemic COVID-19 pneumonia.
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Affiliation(s)
- Ana García-García
- Pediatric Allergy and Clinical Immunology Dept., Clinical Immunology and Primary Immunodeficiencies Unit, Hospital Sant Joan de Déu, Barcelona, Barcelona, Spain
- Study Group for Immune Dysfunction Diseases in Children, Institut de Recerca Sant Joan de Déu, Barcelona, Barcelona, Spain
- Clinical Immunology Unit, Hospital Sant Joan de Déu-Hospital Clínic Barcelona, Barcelona, Spain
| | - Rebeca Pérez de Diego
- Laboratory of Immunogenetics of Human Diseases, IdiPAZ Institute for Health Research, La Paz Hospital, Madrid, Spain
| | - Carlos Flores
- Genomics Division, Instituto Tecnológico y de Energías Renovables, Santa Cruz de Tenerife, Spain
- Research Unit, Hospital Universitario N.S. de Candelaria, Santa Cruz de Tenerife, Spain
- CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Dept. of Clinical Sciences, University Fernando Pessoa Canarias, Las Palmas de Gran Canaria, Spain
| | - Darawan Rinchai
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
| | - Jordi Solé-Violán
- CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Dept. of Clinical Sciences, University Fernando Pessoa Canarias, Las Palmas de Gran Canaria, Spain
- Dept. of Intensive Care Medicine, University Hospital of Gran Canaria Dr. Negrin, Canarian Health System, Las Palmas de Gran Canaria, Spain
| | - Àngela Deyà-Martínez
- Pediatric Allergy and Clinical Immunology Dept., Clinical Immunology and Primary Immunodeficiencies Unit, Hospital Sant Joan de Déu, Barcelona, Barcelona, Spain
- Study Group for Immune Dysfunction Diseases in Children, Institut de Recerca Sant Joan de Déu, Barcelona, Barcelona, Spain
- Clinical Immunology Unit, Hospital Sant Joan de Déu-Hospital Clínic Barcelona, Barcelona, Spain
| | - Blanca García-Solis
- Laboratory of Immunogenetics of Human Diseases, IdiPAZ Institute for Health Research, La Paz Hospital, Madrid, Spain
| | - José M. Lorenzo-Salazar
- Genomics Division, Instituto Tecnológico y de Energías Renovables, Santa Cruz de Tenerife, Spain
| | - Elisa Hernández-Brito
- Dept. of Immunology, University Hospital of Gran Canaria Dr. Negrin, Canarian Health System, Las Palmas de Gran Canaria, Spain
| | - Anna-Lisa Lanz
- Dept. of Pediatrics, Division of Pediatric Immunology and Rheumatology, Dr. von Hauner Children’s Hospital, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Leen Moens
- Laboratory for Inborn Errors of Immunity, Dept. of Microbiology, Immunology and Transplantation KU Leuven, Leuven, Belgium
| | - Giorgia Bucciol
- Laboratory for Inborn Errors of Immunity, Dept. of Microbiology, Immunology and Transplantation KU Leuven, Leuven, Belgium
- Dept. of Pediatrics, Childhood Immunology, UZ Leuven, Leuven, Belgium
| | - Mohamed Almuqamam
- Dept. of Pediatrics, Drexel University College of Medicine, St Christopher’s Hospital for Children, Philadelphia, PA, USA
| | | | - Elena Colino
- Unidad de Enfermedades Infecciosas, Complejo Hospitalario Universitario Insular-Materno Infantil, Las Palmas de Gran Canaria, Spain
| | - Juan Luis Santos-Perez
- Unidad de Gestión Clínica de Pediatría y Cirugía Pediátrica, Hospital Virgen de las Nieves-IBS, Granada, Spain
| | - Francisco M. Marco
- Dept. of Immunology, Alicante University General Hospital Doctor Balmis, Alicante, Spain
- Alicante Institute for Health and Biomedical Research, Alicante, Spain
| | - Claudio Pignata
- Dept. of Translational Medical Sciences, Section of Pediatrics, Federico II University, Naples, Italy
| | - Aziz Bousfiha
- Dept. of Pediatric Infectious Diseases and Clinical Immunology, Ibn Rushd University Hospital, Casablanca, Morocco
- Clinical Immunology, Autoimmunity and Inflammation Laboratory, Faculty of Medicine and Pharmacy, Hassan II University, Casablanca, Morocco
| | - Stuart E. Turvey
- Dept. of Paediatrics, BC Children’s Hospital, University of British Columbia, Vancouver, Canada
| | - Stefanie Bauer
- Clinic for Children and Adolescents. Dept. of Hematology and Oncology. University Clinic Erlangen, Erlangen, Germany
| | - Filomeen Haerynck
- Dept. of Pediatric Immunology and Pulmonology, Centre for Primary Immune Deficiency Ghent, Ghent University Hospital, Ghent, Belgium
- Dept. of Internal Medicine and Pediatrics, PID Research Laboratory, Ghent University, Ghent, Belgium
| | | | - Francisco Lendinez
- Dept. of Pediatric Oncohematology, Hospital Materno Infantil Torrecárdenas, Almería, Spain
| | - Seraina Prader
- Division of Immunology and Children’s Research Center, University Children’s Hospital Zurich, Zurich, Switzerland; University of Zurich, Zurich, Switzerland
| | - Nora Naumann-Bartsch
- Clinic for Children and Adolescents. Dept. of Hematology and Oncology. University Clinic Erlangen, Erlangen, Germany
| | - Jana Pachlopnik Schmid
- Division of Immunology and Children’s Research Center, University Children’s Hospital Zurich, Zurich, Switzerland; University of Zurich, Zurich, Switzerland
| | - Catherine M. Biggs
- Dept. of Paediatrics, BC Children’s Hospital, University of British Columbia, Vancouver, Canada
| | - Kyla Hildebrand
- Dept. of Paediatrics, BC Children’s Hospital, University of British Columbia, Vancouver, Canada
| | | | - Miguel Ángel Cárdenes
- Dept. of Internal Medicine, Unit of Infectious Diseases, University Hospital of Gran Canaria Dr. Negrin, Canarian Health System, Las Palmas de Gran Canaria, Spain
| | - Fatima Ailal
- Dept. of Pediatric Infectious Diseases and Clinical Immunology, Ibn Rushd University Hospital, Casablanca, Morocco
- Clinical Immunology, Autoimmunity and Inflammation Laboratory, Faculty of Medicine and Pharmacy, Hassan II University, Casablanca, Morocco
| | - Ibtihal Benhsaien
- Dept. of Pediatric Infectious Diseases and Clinical Immunology, Ibn Rushd University Hospital, Casablanca, Morocco
- Clinical Immunology, Autoimmunity and Inflammation Laboratory, Faculty of Medicine and Pharmacy, Hassan II University, Casablanca, Morocco
| | - Giuliana Giardino
- Dept. of Translational Medical Sciences, Section of Pediatrics, Federico II University, Naples, Italy
| | | | - Claudia Fortuny
- Study Group for Immune Dysfunction Diseases in Children, Institut de Recerca Sant Joan de Déu, Barcelona, Barcelona, Spain
- Pediatric Infectious Diseases Unit, Hospital Sant Joan de Déu, Barcelona, Spain
- CIBER of Epidemiology and Public Health, Madrid, Spain; Translational Research Network in Pediatric Infectious Diseases, Madrid, Spain
- Dept. of Surgery and Surgical Specializations, Facultat de Medicina i Ciències de la Salut, University of Barcelona, Barcelona, Spain
| | - Swetha Madhavarapu
- Dept. of Pediatrics, Drexel University College of Medicine, St Christopher’s Hospital for Children, Philadelphia, PA, USA
| | - Daniel H. Conway
- Dept. of Pediatrics, Drexel University College of Medicine, St Christopher’s Hospital for Children, Philadelphia, PA, USA
| | - Carolina Prando
- Instituto de Pesquisa Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Hospital Pequeno Príncipe, Curitiba, Brazil
| | - Laire Schidlowski
- Instituto de Pesquisa Pelé Pequeno Príncipe, Faculdades Pequeno Príncipe, Hospital Pequeno Príncipe, Curitiba, Brazil
| | | | - Rafael Alfaro
- Dept. of Immunology, University Hospital of Gran Canaria Dr. Negrin, Canarian Health System, Las Palmas de Gran Canaria, Spain
| | - Felipe Rodríguez de Castro
- Dept. of Medical and Surgical Sciences, School of Medicine, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
- Dept. of Respiratory Diseases, University Hospital of Gran Canaria Dr. Negrin, Canarian Health System, Las Palmas de Gran Canaria, Spain
| | - Isabelle Meyts
- Laboratory for Inborn Errors of Immunity, Dept. of Microbiology, Immunology and Transplantation KU Leuven, Leuven, Belgium
- Dept. of Pediatrics, Childhood Immunology, UZ Leuven, Leuven, Belgium
| | - Fabian Hauck
- Dept. of Pediatrics, Division of Pediatric Immunology and Rheumatology, Dr. von Hauner Children’s Hospital, University Hospital, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Anne Puel
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- University Paris Cité, Imagine Institute, Paris, France
| | - Paul Bastard
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- University Paris Cité, Imagine Institute, Paris, France
- Pediatric Hematology and Immunology Unit, Department of Pediatrics, Necker Hospital for Sick Children, AP-HP, Paris, France
| | - Bertrand Boisson
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- University Paris Cité, Imagine Institute, Paris, France
| | - Emmanuelle Jouanguy
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- University Paris Cité, Imagine Institute, Paris, France
| | - Laurent Abel
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- University Paris Cité, Imagine Institute, Paris, France
| | - Aurélie Cobat
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- University Paris Cité, Imagine Institute, Paris, France
| | - Qian Zhang
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- University Paris Cité, Imagine Institute, Paris, France
| | - Jean-Laurent Casanova
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, Rockefeller University, New York, NY, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, Paris, France
- University Paris Cité, Imagine Institute, Paris, France
- Department of Pediatrics, Necker Hospital for Sick Children, Paris, France
- Howard Hughes Medical Institute, New York, NY, USA
| | - Laia Alsina
- Pediatric Allergy and Clinical Immunology Dept., Clinical Immunology and Primary Immunodeficiencies Unit, Hospital Sant Joan de Déu, Barcelona, Barcelona, Spain
- Study Group for Immune Dysfunction Diseases in Children, Institut de Recerca Sant Joan de Déu, Barcelona, Barcelona, Spain
- Clinical Immunology Unit, Hospital Sant Joan de Déu-Hospital Clínic Barcelona, Barcelona, Spain
- Dept. of Surgery and Surgical Specializations, Facultat de Medicina i Ciències de la Salut, University of Barcelona, Barcelona, Spain
| | - Carlos Rodríguez-Gallego
- Dept. of Clinical Sciences, University Fernando Pessoa Canarias, Las Palmas de Gran Canaria, Spain
- Dept. of Immunology, University Hospital of Gran Canaria Dr. Negrin, Canarian Health System, Las Palmas de Gran Canaria, Spain
- Dept. of Medical and Surgical Sciences, School of Medicine, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
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Moss BJ, Rosas IO. Defining the Genetic Landscape of Idiopathic Pulmonary Fibrosis: Role of Common and Rare Variants. Am J Respir Crit Care Med 2023; 207:1118-1120. [PMID: 36796091 PMCID: PMC10161759 DOI: 10.1164/rccm.202301-0177ed] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
Affiliation(s)
- Benjamin J Moss
- Department of Medicine, Pulmonary, Critical Care, and Sleep Medicine Baylor College of Medicine Houston, Texas
| | - Ivan O Rosas
- Department of Medicine, Pulmonary, Critical Care, and Sleep Medicine Baylor College of Medicine Houston, Texas
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19
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Flack KF, Katzen J. Revealing the Rare: Pulmonary Fibrosis From Surfactant-Related Gene Mutation. Chest 2023; 163:744-745. [PMID: 37031979 DOI: 10.1016/j.chest.2022.12.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 12/20/2022] [Indexed: 04/11/2023] Open
Affiliation(s)
- Kathryn Friedman Flack
- Pulmonary, Allergy, and Critical Care Medicine, the University of Pennsylvania Perelman School of Medicine, Philadelphia, PA
| | - Jeremy Katzen
- Pulmonary, Allergy, and Critical Care Medicine, the University of Pennsylvania Perelman School of Medicine, Philadelphia, PA.
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20
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Borie R, Kannengiesser C, Antoniou K, Bonella F, Crestani B, Fabre A, Froidure A, Galvin L, Griese M, Grutters JC, Molina-Molina M, Poletti V, Prasse A, Renzoni E, van der Smagt J, van Moorsel CHM. European Respiratory Society statement on familial pulmonary fibrosis. Eur Respir J 2023; 61:13993003.01383-2022. [PMID: 36549714 DOI: 10.1183/13993003.01383-2022] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 10/26/2022] [Indexed: 12/24/2022]
Abstract
Genetic predisposition to pulmonary fibrosis has been confirmed by the discovery of several gene mutations that cause pulmonary fibrosis. Although genetic sequencing of familial pulmonary fibrosis (FPF) cases is embedded in routine clinical practice in several countries, many centres have yet to incorporate genetic sequencing within interstitial lung disease (ILD) services and proper international consensus has not yet been established. An international and multidisciplinary expert Task Force (pulmonologists, geneticists, paediatrician, pathologist, genetic counsellor, patient representative and librarian) reviewed the literature between 1945 and 2022, and reached consensus for all of the following questions: 1) Which patients may benefit from genetic sequencing and clinical counselling? 2) What is known of the natural history of FPF? 3) Which genes are usually tested? 4) What is the evidence for telomere length measurement? 5) What is the role of common genetic variants (polymorphisms) in the diagnostic workup? 6) What are the optimal treatment options for FPF? 7) Which family members are eligible for genetic sequencing? 8) Which clinical screening and follow-up parameters may be considered in family members? Through a robust review of the literature, the Task Force offers a statement on genetic sequencing, clinical management and screening of patients with FPF and their relatives. This proposal may serve as a basis for a prospective evaluation and future international recommendations.
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Affiliation(s)
- Raphael Borie
- Université Paris Cité, Inserm, PHERE, Hôpital Bichat, AP-HP, Service de Pneumologie A, Centre Constitutif du Centre de Référence des Maladies Pulmonaires Rares, FHU APOLLO, Paris, France
| | | | - Katerina Antoniou
- Laboratory of Molecular and Cellular Pneumonology, Department of Respiratory Medicine, School of Medicine, University of Crete, Heraklion, Greece
| | - Francesco Bonella
- Center for Interstitial and Rare Lung Diseases, Pneumology Department, Ruhrlandklinik, University Hospital, University of Essen, European Reference Network (ERN)-LUNG, ILD Core Network, Essen, Germany
| | - Bruno Crestani
- Université Paris Cité, Inserm, PHERE, Hôpital Bichat, AP-HP, Service de Pneumologie A, Centre Constitutif du Centre de Référence des Maladies Pulmonaires Rares, FHU APOLLO, Paris, France
| | - Aurélie Fabre
- Department of Histopathology, St Vincent's University Hospital and UCD School of Medicine, University College Dublin, Dublin, Ireland
| | - Antoine Froidure
- Pulmonology Department, Cliniques Universitaires Saint-Luc and Institut de Recherche Expérimentale et Clinique, UCLouvain, Brussels, Belgium
| | - Liam Galvin
- European Pulmonary Fibrosis Federation, Blackrock, Ireland
| | - Matthias Griese
- Dr von Haunersches Kinderspital, University of Munich, German Center for Lung Research (DZL), Munich, Germany
| | - Jan C Grutters
- ILD Center of Excellence, St Antonius Hospital, Nieuwegein, The Netherlands
- Division of Heart and Lungs, UMC Utrecht, Utrecht, The Netherlands
| | - Maria Molina-Molina
- Interstitial Lung Disease Unit, Respiratory Department, University Hospital of Bellvitge, IDIBELL, Hospitalet de Llobregat (Barcelona), CIBERES, Barcelona, Spain
| | - Venerino Poletti
- Department of Diseases of the Thorax, Ospedale GB Morgagni, Forlì, Italy
- Department of Experimental, Diagnostics and Speciality Medicine, University of Bologna, Bologna, Italy
| | - Antje Prasse
- Department of Pulmonology, Hannover Medical School, German Center for Lung Research (DZL), BREATH, Hannover, Germany
- Fraunhofer ITEM, Hannover, Germany
| | - Elisabetta Renzoni
- Interstitial Lung Disease Unit, Royal Brompton and Harefield Clinical Group, Guy's and St Thomas' NHS Foundation Trust, London, UK
- Margaret Turner Warwick Centre for Fibrosing Lung Disease, National Heart and Lung Institute, Imperial College London, London, UK
| | - Jasper van der Smagt
- Division of Genetics, University Medical Center Utrecht, Utrecht, The Netherlands
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21
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Alonso-Gonzalez A, Tosco-Herrera E, Molina-Molina M, Flores C. Idiopathic pulmonary fibrosis and the role of genetics in the era of precision medicine. Front Med (Lausanne) 2023; 10:1152211. [PMID: 37181377 PMCID: PMC10172674 DOI: 10.3389/fmed.2023.1152211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 04/03/2023] [Indexed: 05/16/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic, rare progressive lung disease, characterized by lung scarring and the irreversible loss of lung function. Two anti-fibrotic drugs, nintedanib and pirfenidone, have been demonstrated to slow down disease progression, although IPF mortality remains a challenge and the patients die after a few years from diagnosis. Rare pathogenic variants in genes that are involved in the surfactant metabolism and telomere maintenance, among others, have a high penetrance and tend to co-segregate with the disease in families. Common recurrent variants in the population with modest effect sizes have been also associated with the disease risk and progression. Genome-wide association studies (GWAS) support at least 23 genetic risk loci, linking the disease pathogenesis with unexpected molecular pathways including cellular adhesion and signaling, wound healing, barrier function, airway clearance, and innate immunity and host defense, besides the surfactant metabolism and telomere biology. As the cost of high-throughput genomic technologies continuously decreases and new technologies and approaches arise, their widespread use by clinicians and researchers is efficiently contributing to a better understanding of the pathogenesis of progressive pulmonary fibrosis. Here we provide an overview of the genetic factors known to be involved in IPF pathogenesis and discuss how they will continue to further advance in this field. We also discuss how genomic technologies could help to further improve IPF diagnosis and prognosis as well as for assessing genetic risk in unaffected relatives. The development and validation of evidence-based guidelines for genetic-based screening of IPF will allow redefining and classifying this disease relying on molecular characteristics and contribute to the implementation of precision medicine approaches.
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Affiliation(s)
- Aitana Alonso-Gonzalez
- Unidad de Investigación, Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain
- Universidad de Santiago de Compostela, Santiago de Compostela, Spain
| | - Eva Tosco-Herrera
- Unidad de Investigación, Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain
| | - Maria Molina-Molina
- Servei de Pneumologia, Laboratori de Pneumologia Experimental, IDIBELL, Barcelona, Spain
- Campus de Bellvitge, Universitat de Barcelona, Barcelona, Spain
- CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
| | - Carlos Flores
- Unidad de Investigación, Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain
- CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
- Genomics Division, Instituto Tecnológico y de Energías Renovables (ITER), Santa Cruz de Tenerife, Spain
- Facultad de Ciencias de la Salud, Universidad Fernando Pessoa Canarias, Las Palmas de Gran Canaria, Spain
- *Correspondence: Carlos Flores,
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22
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Papiris SA, Kannengiesser C, Borie R, Kolilekas L, Kallieri M, Apollonatou V, Ba I, Nathan N, Bush A, Griese M, Dieude P, Crestani B, Manali ED. Genetics in Idiopathic Pulmonary Fibrosis: A Clinical Perspective. Diagnostics (Basel) 2022; 12:2928. [PMID: 36552935 PMCID: PMC9777433 DOI: 10.3390/diagnostics12122928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/17/2022] [Accepted: 11/18/2022] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Unraveling the genetic background in a significant proportion of patients with both sporadic and familial IPF provided new insights into the pathogenic pathways of pulmonary fibrosis. AIM The aim of the present study is to overview the clinical significance of genetics in IPF. PERSPECTIVE It is fascinating to realize the so-far underestimated but dynamically increasing impact that genetics has on aspects related to the pathophysiology, accurate and early diagnosis, and treatment and prevention of this devastating disease. Genetics in IPF have contributed as no other in unchaining the disease from the dogma of a "a sporadic entity of the elderly, limited to the lungs" and allowed all scientists, but mostly clinicians, all over the world to consider its many aspects and "faces" in all age groups, including its co-existence with several extra pulmonary conditions from cutaneous albinism to bone-marrow and liver failure. CONCLUSION By providing additional evidence for unsuspected characteristics such as immunodeficiency, impaired mucus, and surfactant and telomere maintenance that very often co-exist through the interaction of common and rare genetic variants in the same patient, genetics have created a generous and pluralistic yet unifying platform that could lead to the understanding of the injurious and pro-fibrotic effects of many seemingly unrelated extrinsic and intrinsic offending factors. The same platform constantly instructs us about our limitations as well as about the heritability, the knowledge and the wisdom that is still missing.
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Affiliation(s)
- Spyros A. Papiris
- 2nd Pulmonary Medicine Department, General University Hospital “Attikon”, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
| | - Caroline Kannengiesser
- Département de Génétique, APHP Hôpital Bichat, Université de Paris, 75018 Paris, France
- INSERM UMR 1152, Université de Paris, 75018 Paris, France
| | - Raphael Borie
- Service de Pneumologie A, INSERM UMR_1152, Centre de Référence des Maladies Pulmonaires Rares, FHU APOLLO, APHP Hôpital Bichat, Sorbonne Université, 75018 Paris, France
| | - Lykourgos Kolilekas
- 7th Pulmonary Department, Athens Chest Hospital “Sotiria”, 11527 Athens, Greece
| | - Maria Kallieri
- 2nd Pulmonary Medicine Department, General University Hospital “Attikon”, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
| | - Vasiliki Apollonatou
- 2nd Pulmonary Medicine Department, General University Hospital “Attikon”, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
| | - Ibrahima Ba
- Département de Génétique, APHP Hôpital Bichat, Université de Paris, 75018 Paris, France
| | - Nadia Nathan
- Peditric Pulmonology Department and Reference Centre for Rare Lung Diseases RespiRare, INSERM UMR_S933 Laboratory of Childhood Genetic Diseases, Armand Trousseau Hospital, Sorbonne University and APHP, 75012 Paris, France
| | - Andrew Bush
- Paediatrics and Paediatric Respirology, Imperial College, Imperial Centre for Paediatrics and Child Health, Royal Brompton Harefield NHS Foundation Trust, London SW3 6NP, UK
| | - Matthias Griese
- Department of Pediatric Pneumology, Dr von Hauner Children’s Hospital, Ludwig-Maximilians-University, German Center for Lung Research, 80337 Munich, Germany
| | - Philippe Dieude
- Department of Rheumatology, INSERM U1152, APHP Hôpital Bichat-Claude Bernard, Université de Paris, 75018 Paris, France
| | - Bruno Crestani
- Service de Pneumologie A, INSERM UMR_1152, Centre de Référence des Maladies Pulmonaires Rares, FHU APOLLO, APHP Hôpital Bichat, Sorbonne Université, 75018 Paris, France
| | - Effrosyni D. Manali
- 2nd Pulmonary Medicine Department, General University Hospital “Attikon”, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
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