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De Rubis G, Paudel KR, Corrie L, Mehndiratta S, Patel VK, Kumbhar PS, Manjappa AS, Disouza J, Patravale V, Gupta G, Manandhar B, Rajput R, Robinson AK, Reyes RJ, Chakraborty A, Chellappan DK, Singh SK, Oliver BGG, Hansbro PM, Dua K. Applications and advancements of nanoparticle-based drug delivery in alleviating lung cancer and chronic obstructive pulmonary disease. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:2793-2833. [PMID: 37991539 DOI: 10.1007/s00210-023-02830-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 10/30/2023] [Indexed: 11/23/2023]
Abstract
Lung cancer (LC) and chronic obstructive pulmonary disease (COPD) are among the leading causes of mortality worldwide. Cigarette smoking is among the main aetiologic factors for both ailments. These diseases share common pathogenetic mechanisms including inflammation, oxidative stress, and tissue remodelling. Current therapeutic approaches are limited by low efficacy and adverse effects. Consequentially, LC has a 5-year survival of < 20%, while COPD is incurable, underlining the necessity for innovative treatment strategies. Two promising emerging classes of therapy against these diseases include plant-derived molecules (phytoceuticals) and nucleic acid-based therapies. The clinical application of both is limited by issues including poor solubility, poor permeability, and, in the case of nucleic acids, susceptibility to enzymatic degradation, large size, and electrostatic charge density. Nanoparticle-based advanced drug delivery systems are currently being explored as flexible systems allowing to overcome these limitations. In this review, an updated summary of the most recent studies using nanoparticle-based advanced drug delivery systems to improve the delivery of nucleic acids and phytoceuticals for the treatment of LC and COPD is provided. This review highlights the enormous relevance of these delivery systems as tools that are set to facilitate the clinical application of novel categories of therapeutics with poor pharmacokinetic properties.
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Affiliation(s)
- Gabriele De Rubis
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, Australia
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Keshav Raj Paudel
- Centre of Inflammation, Centenary Institute and University of Technology Sydney, Faculty of Science, School of Life Sciences, Sydney, NSW, 2007, Australia
| | - Leander Corrie
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Samir Mehndiratta
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, Australia
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Vyoma K Patel
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, Australia
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, University of New South Wales, Sydney, New South Wales, Australia
| | - Popat S Kumbhar
- Department of Pharmaceutics, Tatyasaheb Kore College of Pharmacy, Warananagar, Tal: Panhala, Dist: Kolhapur, Maharashtra, 416113, India
| | - Arehalli Sidramappa Manjappa
- Department of Pharmaceutics, Tatyasaheb Kore College of Pharmacy, Warananagar, Tal: Panhala, Dist: Kolhapur, Maharashtra, 416113, India
- Department of Pharmaceutics, Vasantidevi Patil Institute of Pharmacy, Kodoli, Kolkapur, Maharashtra, 416114, India
| | - John Disouza
- Department of Pharmaceutics, Tatyasaheb Kore College of Pharmacy, Warananagar, Tal: Panhala, Dist: Kolhapur, Maharashtra, 416113, India
| | - Vandana Patravale
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, 400019, Maharashtra, India
| | - Gaurav Gupta
- Centre for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, India, Chennai, India
- School of Pharmacy, Graphic Era Hill University, Dehradun, 248007, India
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Mahal Road, Jaipur, 302017, India
| | - Bikash Manandhar
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, Australia
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Rashi Rajput
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, Australia
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Alexandra Kailie Robinson
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, Australia
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Ruby-Jean Reyes
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, Australia
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Amlan Chakraborty
- Division of Immunology, Immunity to Infection and Respiratory Medicine (DIIIRM), School of Biological Sciences I Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
| | - Dinesh Kumar Chellappan
- School of Pharmacy, International Medical University, Bukit Jalil, 57000, Kuala Lumpur, Malaysia
| | - Sachin Kumar Singh
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, Australia
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411, Punjab, India
| | - Brian Gregory George Oliver
- School of Life Sciences, University of Technology Sydney, Ultimo, NSW, 2007, Australia
- Woolcock Institute of Medical Research, Macquarie University, Sydney, New South Wales, Australia
| | - Philip Michael Hansbro
- Centre of Inflammation, Centenary Institute and University of Technology Sydney, Faculty of Science, School of Life Sciences, Sydney, NSW, 2007, Australia
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, Australia.
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia.
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2
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Garcia-Ryde M, van der Burg NMD, Larsson CE, Larsson-Callerfelt AK, Westergren-Thorsson G, Bjermer L, Tufvesson E. Lung Fibroblasts from Chronic Obstructive Pulmonary Disease Subjects Have a Deficient Gene Expression Response to Cigarette Smoke Extract Compared to Healthy. Int J Chron Obstruct Pulmon Dis 2023; 18:2999-3014. [PMID: 38143920 PMCID: PMC10742772 DOI: 10.2147/copd.s422508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 11/16/2023] [Indexed: 12/26/2023] Open
Abstract
Background and aim Cigarette smoking is the most common cause of chronic obstructive pulmonary disease (COPD) but more mechanistic studies are needed. Cigarette smoke extract (CSE) can elicit a strong response in many COPD-related cell types, but no studies have been performed in lung fibroblasts. Therefore, we aimed to investigate the effect of CSE on gene expression in lung fibroblasts from healthy and COPD subjects. Patients and methods Primary lung fibroblasts, derived from six healthy and six COPD subjects (all current or ex-smokers), were either unstimulated (baseline) or stimulated with 30% CSE for 4 h prior to RNA isolation. The mRNA expression levels were measured using the NanoString nCounter Human Fibrosis V2 panel (760 genes). Pathway enrichment was assessed for unique gene ontology terms of healthy and COPD. Results At baseline, a difference in the expression of 17 genes was found in healthy and COPD subjects. Differential expression of genes after CSE stimulation resulted in significantly less changes in COPD lung fibroblasts (70 genes) than in healthy (207 genes), with 51 genes changed in both. COPD maintained low NOTCH signaling throughout and upregulated JUN >80%, indicating an increase in apoptosis. Healthy downregulated the Mitogen-activated protein kinase (MAPK) signaling cascade, including a ≥50% reduction in FGF2, CRK, TGFBR1 and MEF2A. Healthy also downregulated KAT6A and genes related to cell proliferation, all together indicating possible cell senescence signaling. Conclusion Overall, COPD lung fibroblasts responded to CSE stimulation with a very different and deficient expression profile compared to healthy. Highlighting that stimulated healthy cells are not an appropriate substitute for COPD cells which is important when investigating the mechanisms of COPD.
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Affiliation(s)
- Martin Garcia-Ryde
- Department of Clinical Sciences Lund, Respiratory Medicine, Allergology and Palliative Medicine, Lund University, Lund, Sweden
| | - Nicole M D van der Burg
- Department of Clinical Sciences Lund, Respiratory Medicine, Allergology and Palliative Medicine, Lund University, Lund, Sweden
| | - Carin E Larsson
- Department of Clinical Sciences Lund, Respiratory Medicine, Allergology and Palliative Medicine, Lund University, Lund, Sweden
| | | | | | - Leif Bjermer
- Department of Clinical Sciences Lund, Respiratory Medicine, Allergology and Palliative Medicine, Lund University, Lund, Sweden
| | - Ellen Tufvesson
- Department of Clinical Sciences Lund, Respiratory Medicine, Allergology and Palliative Medicine, Lund University, Lund, Sweden
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3
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Cai Q, Luo M, Tang Y, Yu M, Yuan F, Gasser GN, Liu X, Engelhardt JF. Sonic Hedgehog Signaling Is Essential for Pulmonary Ionocyte Specification in Human and Ferret Airway Epithelia. Am J Respir Cell Mol Biol 2023; 69:295-309. [PMID: 37141531 PMCID: PMC10503308 DOI: 10.1165/rcmb.2022-0280oc] [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: 07/18/2022] [Accepted: 05/03/2023] [Indexed: 05/06/2023] Open
Abstract
Pulmonary ionocytes express high levels of cystic fibrosis transmembrane conductance regulator (CFTR), an anion channel that is critical for hydration of the airways and mucociliary clearance. However, the cellular mechanisms that govern ionocyte specification and function remain unclear. We observed that increased abundance of ionocytes in cystic fibrosis (CF) airway epithelium was associated with enhanced expression of Sonic Hedgehog (SHH) effectors. In this study, we evaluated whether the SHH pathway directly impacts ionocyte differentiation and CFTR function in airway epithelia. Pharmacological HPI1-mediated inhibition of SHH signaling component GLI1 significantly impaired human basal cell specification of ionocytes and ciliated cells but significantly enhanced specification of secretory cells. By contrast, activation of the SHH pathway effector smoothened (SMO) with the chemical agonist SAG significantly enhanced ionocyte specification. The abundance of CFTR+ BSND+ ionocytes under these conditions had a direct relationship with CFTR-mediated currents in differentiated air-liquid interface (ALI) airway cultures. These findings were corroborated in ferret ALI airway cultures generated from basal cells in which the genes encoding the SHH receptor PTCH1 or its intracellular effector SMO were genetically ablated using CRISPR-Cas9, causing aberrant activation or suppression of SHH signaling, respectively. These findings demonstrate that SHH signaling is directly involved in airway basal cell specification of CFTR-expressing pulmonary ionocytes and is likely responsible for enhanced ionocyte abundance in the CF proximal airways. Pharmacologic approaches to enhance ionocyte and reduce secretory cell specification after CFTR gene editing of basal cells may have utility in the treatment of CF.
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Affiliation(s)
- Qian Cai
- Department of Anatomy and Cell Biology, Carver College of Medicine, University of Iowa, Iowa City, Iowa
- Key Laboratory of Ministry of Education for Conservation and Utilization of Special Biological Resources in Western China, Ningxia University, Yinchuan, China; and
- School of Public Health and Management, Ningxia Medical University, Yinchuan, China
| | - Meihui Luo
- Department of Anatomy and Cell Biology, Carver College of Medicine, University of Iowa, Iowa City, Iowa
| | - Yinghua Tang
- Department of Anatomy and Cell Biology, Carver College of Medicine, University of Iowa, Iowa City, Iowa
| | - Miao Yu
- Department of Anatomy and Cell Biology, Carver College of Medicine, University of Iowa, Iowa City, Iowa
- Key Laboratory of Ministry of Education for Conservation and Utilization of Special Biological Resources in Western China, Ningxia University, Yinchuan, China; and
| | - Feng Yuan
- Department of Anatomy and Cell Biology, Carver College of Medicine, University of Iowa, Iowa City, Iowa
| | - Grace N. Gasser
- Department of Anatomy and Cell Biology, Carver College of Medicine, University of Iowa, Iowa City, Iowa
| | - Xiaoming Liu
- Department of Anatomy and Cell Biology, Carver College of Medicine, University of Iowa, Iowa City, Iowa
| | - John F. Engelhardt
- Department of Anatomy and Cell Biology, Carver College of Medicine, University of Iowa, Iowa City, Iowa
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Arezina R, Chen T, Wang D. Conventional, Complementary and Alternative Medicines: Mechanistic Insights into Therapeutic Landscape of Chronic Obstructive Pulmonary Disease. Int J Chron Obstruct Pulmon Dis 2023; 18:447-457. [PMID: 37038544 PMCID: PMC10082417 DOI: 10.2147/copd.s393540] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 03/27/2023] [Indexed: 04/05/2023] Open
Abstract
COPD (chronic obstructive pulmonary disease) is a major public health concern associated with significant morbidity and mortality worldwide. Current therapeutic guidelines for this disease recommend starting with an inhaled bronchodilator, stepping up to combination therapy as necessary, and/or adding inhaled corticosteroids as symptoms and airflow obstruction progress. However, no drug therapy exists to stop disease progression. The mechanistic definition underlying COPD pathogenesis remains poorly understood, it is generally accepted that oxidative stress and the altered immune response of low-grade airway inflammation are major factors contributing to COPD development. There are several potential therapeutic targets that are currently under investigation, including immune regulatory pathways in inflammation and lung-associated steroid resistance induced by oxidative stress signaling cascades. Patients with COPD have increased levels of inflammatory mediators, including lipid and peptide mediators, as well as a network of cytokines and chemokines that maintain inflammatory immune response and recruit circulating cells into the lungs. Many of these pro-inflammatory mediators are regulated by nuclear factor-kappaB (NF-κB) and mitogen-activated protein kinases (MAPKs), such as p38 MAPK. Increased oxidative stress is a key driving mechanism in perpetuating inflammation and lung injury. Furthermore, many proteases that degrade elastin fibres are secreted by airway resident infiltrating immune cells in COPD patients. In this perspective, we discuss novel aspects of signaling pathway activation in the context of inflammation and oxidative stress, and the broad view of potential effective pharmacotherapies that target the underlying mechanistic disease process in COPD.
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Affiliation(s)
- Radivoj Arezina
- Department of Medical, Stridon Clinical Research, Richmond Upon Thames, London, UK
| | - Tao Chen
- Department of Public Health, Policy & Systems, Institute of Population Health, University of Liverpool, Liverpool, Merseyside, UK
| | - Duolao Wang
- Affiliated Hospital, Guangdong Medical University, Zhanjiang, Guangdong, People’s Republic of China
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, Merseyside, UK
- Correspondence: Duolao Wang, Email
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5
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Lau CI, Yánez DC, Papaioannou E, Ross S, Crompton T. Sonic Hedgehog signalling in the regulation of barrier tissue homeostasis and inflammation. FEBS J 2022; 289:8050-8061. [PMID: 34614300 DOI: 10.1111/febs.16222] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 09/10/2021] [Accepted: 10/05/2021] [Indexed: 01/14/2023]
Abstract
Epithelial barrier tissues such as the skin and airway form an essential interface between the mammalian host and its external environment. These physical barriers are crucial to prevent damage and disease from environmental insults and allergens. Failure to maintain barrier function against such risks can lead to severe inflammatory disorders, including atopic dermatitis and asthma. Here, we discuss the role of the morphogen Sonic Hedgehog in postnatal skin and lung and the impact of Shh signalling on repair, inflammation, and atopic disease in these tissues.
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Affiliation(s)
- Ching-In Lau
- UCL Great Ormond Street Institute of Child Health, London, UK
| | - Diana C Yánez
- UCL Great Ormond Street Institute of Child Health, London, UK.,School of Medicine, Universidad San Francisco de Quito, Ecuador
| | - Eleftheria Papaioannou
- UCL Great Ormond Street Institute of Child Health, London, UK.,Department of Biochemistry, Universidad Autónoma de Madrid and Instituto de Investigaciones Biomédicas Alberto Sols, Madrid, Spain
| | - Susan Ross
- UCL Great Ormond Street Institute of Child Health, London, UK
| | - Tessa Crompton
- UCL Great Ormond Street Institute of Child Health, London, UK
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6
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Lahmar Z, Ahmed E, Fort A, Vachier I, Bourdin A, Bergougnoux A. Hedgehog pathway and its inhibitors in chronic obstructive pulmonary disease (COPD). Pharmacol Ther 2022; 240:108295. [PMID: 36191777 DOI: 10.1016/j.pharmthera.2022.108295] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 08/22/2022] [Accepted: 09/28/2022] [Indexed: 11/05/2022]
Abstract
COPD affects millions of people and is now ranked as the third leading cause of death worldwide. This largely untreatable chronic airway disease results in irreversible destruction of lung architecture. The small lung hypothesis is now supported by epidemiological, physiological and clinical studies. Accordingly, the early and severe COPD phenotype carries the most dreadful prognosis and finds its roots during lung growth. Pathophysiological mechanisms remain poorly understood and implicate individual susceptibility (genetics), a large part of environmental factors (viral infections, tobacco consumption, air pollution) and the combined effects of those triggers on gene expression. Genetic susceptibility is most likely involved as the disease is severe and starts early in life. The latter observation led to the identification of Mendelian inheritance via disease-causing variants of SERPINA1 - known as the basis for alpha-1 anti-trypsin deficiency, and TERT. In the last two decades multiple genome wide association studies (GWAS) identified many single nucleotide polymorphisms (SNPs) associated with COPD. High significance SNPs are located in 4q31 near HHIP which encodes an evolutionarily highly conserved physiological inhibitor of the Hedgehog signaling pathway (HH). HHIP is critical to several in utero developmental lung processes. It is also implicated in homeostasis, injury response, epithelial-mesenchymal transition and tumor resistance to apoptosis. A few studies have reported decreased HHIP RNA and protein levels in human adult COPD lungs. HHIP+/- murine models led to emphysema. HH pathway inhibitors, such as vismodegib and sonidegib, are already validated in oncology, whereas other drugs have evidenced in vitro effects. Targeting the Hedgehog pathway could lead to a new therapeutic avenue in COPD. In this review, we focused on the early and severe COPD phenotype and the small lung hypothesis by exploring genetic susceptibility traits that are potentially treatable, thus summarizing promising therapeutics for the future.
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Affiliation(s)
- Z Lahmar
- Department of Respiratory Diseases, CHU de Montpellier, Montpellier, France
| | - E Ahmed
- Department of Respiratory Diseases, CHU de Montpellier, Montpellier, France; PhyMedExp, Univ Montpellier, Inserm U1046, CNRS UMR 9214, Montpellier, France
| | - A Fort
- PhyMedExp, Univ Montpellier, Inserm U1046, CNRS UMR 9214, Montpellier, France
| | - I Vachier
- Department of Respiratory Diseases, CHU de Montpellier, Montpellier, France; PhyMedExp, Univ Montpellier, Inserm U1046, CNRS UMR 9214, Montpellier, France
| | - A Bourdin
- Department of Respiratory Diseases, CHU de Montpellier, Montpellier, France; PhyMedExp, Univ Montpellier, Inserm U1046, CNRS UMR 9214, Montpellier, France
| | - A Bergougnoux
- PhyMedExp, Univ Montpellier, Inserm U1046, CNRS UMR 9214, Montpellier, France; Laboratoire de Génétique Moléculaire et de Cytogénomique, CHU de Montpellier, Montpellier, France.
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7
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El-Baz LM, Elaidy SM, Hafez HS, Shoukry NM. Vismodegib, a sonic hedgehog signalling blockade, ameliorates ovalbumin and ovalbumin/lipopolysaccharide-induced airway inflammation and asthma phenotypical models. Life Sci 2022; 310:121119. [DOI: 10.1016/j.lfs.2022.121119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/17/2022] [Accepted: 10/20/2022] [Indexed: 11/09/2022]
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8
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Hedgehog Signaling as a Therapeutic Target for Airway Remodeling and Inflammation in Allergic Asthma. Cells 2022; 11:cells11193016. [PMID: 36230980 PMCID: PMC9562640 DOI: 10.3390/cells11193016] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 09/22/2022] [Indexed: 11/16/2022] Open
Abstract
Genome-wide association studies (GWAS) have shown that variants of patched homolog 1 (PTCH1) are associated with lung function abnormalities in the general population. It has also been shown that sonic hedgehog (SHH), an important ligand for PTCH1, is upregulated in the airway epithelium of patients with asthma and is suggested to be involved in airway remodeling. The contribution of hedgehog signaling to airway remodeling and inflammation in asthma is poorly described. To determine the biological role of hedgehog signaling-associated genes in asthma, gene silencing, over-expression, and pharmacologic inhibition studies were conducted after stimulating human airway epithelial cells or not with transforming growth factor β1 (TGFβ1), an important fibrotic mediator in asthmatic airway remodeling that also interacts with SHH pathway. TGFβ1 increased hedgehog-signaling-related gene expression including SHH, GLI1 and GLI2. Knockdown of PTCH1 or SMO with siRNA, or use of hedgehog signaling inhibitors, consistently attenuated COL1A1 expression induced by TGFβ1 stimulation. In contrast, Ptch1 over-expression augmented TGFβ1-induced an increase in COL1A1 and MMP2 gene expression. We also showed an increase in hedgehog-signaling-related gene expression in primary airway epithelial cells from controls and asthmatics at different stages of cellular differentiation. GANT61, an inhibitor of GLI1/2, attenuated TGFβ1-induced increase in COL1A1 protein expression in primary airway epithelial cells differentiated in air–liquid interface. Finally, to model airway tissue remodeling in vivo, C57BL/6 wildtype (WT) and Ptch1+/− mice were intranasally challenged with house dust mite (HDM) or phosphate-buffered saline (PBS) control. Ptch1+/− mice showed reduced sub-epithelial collagen expression and serum inflammatory proteins compared to WT mice in response to HDM challenge. In conclusion, TGFβ1-induced airway remodeling is partially mediated through the hedgehog signaling pathway via the PTCH1-SMO-GLI axis. The Hedgehog signaling pathway is a promising new potential therapeutic target to alleviate airway tissue remodeling in patients with allergic airways disease.
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9
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Tam A, Leclair P, Li LV, Yang CX, Li X, Witzigmann D, Kulkarni JA, Hackett TL, Dorscheid DR, Singhera GK, Hogg JC, Cullis PR, Sin DD, Lim CJ. FAM13A as potential therapeutic target in modulating TGF-β-induced airway tissue remodeling in COPD. Am J Physiol Lung Cell Mol Physiol 2021; 321:L377-L391. [PMID: 34105356 DOI: 10.1152/ajplung.00477.2020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Genome-wide association studies have shown that a gene variant in the Family with sequence similarity 13, member A (FAM13A) is strongly associated with reduced lung function and the appearance of respiratory symptoms in patients with chronic obstructive pulmonary disease (COPD). A key player in smoking-induced tissue injury and airway remodeling is the transforming growth factor-β1 (TGF-β1). To determine the role of FAM13A in TGF-β1 signaling, FAM13A-/- airway epithelial cells were generated using CRISPR-Cas9, whereas overexpression of FAM13A was achieved using lipid nanoparticles. Wild-type (WT) and FAM13A-/- cells were treated with TGF-β1, followed by gene and/or protein expression analyses. FAM13A-/- cells augmented TGF-β1-induced increase in collagen type 1 (COL1A1), matrix metalloproteinase 2 (MMP2), expression compared with WT cells. This effect was mediated by an increase in β-catenin (CTNNB1) expression in FAM13A-/- cells compared with WT cells after TGF-β1 treatment. FAM13A overexpression was partially protective from TGF-β1-induced COL1A1 expression. Finally, we showed that airway epithelial-specific FAM13A protein expression is significantly increased in patients with severe COPD compared with control nonsmokers, and negatively correlated with lung function. In contrast, β-catenin (CTNNB1), which has previously been linked to be regulated by FAM13A, is decreased in the airway epithelium of smokers with COPD compared with non-COPD subjects. Together, our data showed that FAM13A may be protective from TGF-β1-induced fibrotic response in the airway epithelium via sequestering CTNNB1 from its regulation on downstream targets. Therapeutic increase in FAM13A expression in the airway epithelium of smokers at risk for COPD, and those with mild COPD, may reduce the extent of airway tissue remodeling.
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Affiliation(s)
- Anthony Tam
- Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada.,Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Pascal Leclair
- Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
| | - Ling Vicky Li
- Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
| | - Chen X Yang
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Xuan Li
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Dominik Witzigmann
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia, Canada.,NanoMedicines Innovation Network, Vancouver, British Columbia, Canada
| | - Jayesh A Kulkarni
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia, Canada.,NanoMedicines Innovation Network, Vancouver, British Columbia, Canada
| | - Tillie-Louise Hackett
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Delbert R Dorscheid
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Gurpreet K Singhera
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - James C Hogg
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Pieter R Cullis
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia, Canada.,NanoMedicines Innovation Network, Vancouver, British Columbia, Canada
| | - Don D Sin
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Chinten James Lim
- Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
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10
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Association between PTCH1 gene polymorphisms and chronic obstructive pulmonary disease susceptibility in a Chinese Han population: a case-control study. Chin Med J (Engl) 2021; 133:2071-2077. [PMID: 32769486 PMCID: PMC7478574 DOI: 10.1097/cm9.0000000000000858] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Supplemental Digital Content is available in the text Background Chronic obstructive pulmonary disease (COPD) is a leading cause of morbidity and mortality worldwide. Genome-wide association studies in non-Asian population revealed a link between COPD and mutations in the PTCH1 gene encoding Patched1, a receptor in the Hedgehog signaling pathway important for lung morphogenesis and pulmonary function. The aim of this study was to investigate the association between PTCH1 polymorphisms and the COPD risk in the Chinese Han population. Methods We performed a case-control study including 296 patients with COPD and 300 healthy individuals. Single-nucleotide polymorphisms in the PTCH1 gene were identified and genotyped based on the linkage disequilibrium analysis in all participants. Odds ratios (ORs) and 95% confidence intervals (95% CIs) were estimated using logistic regression analysis after adjustment for age, gender, and smoking. Results In total, 28 single-nucleotide polymorphisms were identified in patients with COPD. Among them, “A” allele of rs28491365 (OR: 1.388, 95% CI: 1.055–1.827, P = 0.018), and “G” alleles of rs10512248 (OR: 1.299, 95% CI: 1.021–1.653, P = 0.033) and rs28705285 (OR: 1.359, 95% CI: 1.024–1.803, P = 0.033; respectively) were significantly associated with an increased COPD risk. Genetic model analysis revealed that the “T/T” genotype of rs34695652 was associated with a decreased COPD risk under the recessive model (OR: 0.490, 95% CI: 0.270–0.880, P = 0.010), whereas rs28504650/rs10512248 haplotype CG was significantly associated with an increased COPD risk after adjustment for age, gender, and smoking status (OR: 6.364, 95% CI: 1.220–33.292, P = 0.028). Conclusions The study provides a new insight into the role of PTCH1 polymorphisms in the susceptibility to COPD in the Chinese Han population.
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11
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Piñeiro‐Hermida S, Martínez P, Blasco MA. Short and dysfunctional telomeres protect from allergen-induced airway inflammation. Aging Cell 2021; 20:e13352. [PMID: 33942458 PMCID: PMC8135011 DOI: 10.1111/acel.13352] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 02/22/2021] [Accepted: 03/07/2021] [Indexed: 12/17/2022] Open
Abstract
Asthma is a chronic inflammatory disease affecting 300 million people worldwide. As telomere shortening is a well-established hallmark of aging and that asthma incidence decreases with age, here we aimed to study the role of short telomeres in asthma pathobiology. To this end, wild-type and telomerase-deficient mice with short telomeres (third-generation (G3 Tert-/- mice)) were challenged with intranasal house dust mite (HDM) extract. We also challenged with HDM wild-type mice in which we induced a telomere dysfunction by the administration of 6-thio-2´-deoxyguanosine (6-thio-dG). Following HDM exposure, G3 Tert-/- and 6-thio-dG treated mice exhibited attenuated eosinophil counts and presence of hematopoietic stem cells in the bone marrow, as well as lower levels of IgE and circulating eosinophils. Accordingly, both G3 Tert-/- and 6-thio-dG treated wild-type mice displayed reduced airway hyperresponsiveness (AHR), as indicated by decreased airway remodeling and allergic airway inflammation markers in the lung. Furthermore, G3 Tert-/- and 6-thio-dG treated mice showed lower differentiation of Club cells, attenuating goblet cell hyperplasia. Club cells of G3 Tert-/- and 6-thio-dG treated mice displayed increased DNA damage and senescence and reduced proliferation. Thus, short/dysfunctional telomeres play a protective role in murine asthma by impeding both AHR and mucus secretion after HDM exposure. Therefore, our findings imply that telomeres play a relevant role in allergen-induced airway inflammation.
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Affiliation(s)
- Sergio Piñeiro‐Hermida
- Telomeres and Telomerase Group Molecular Oncology Program Spanish National Cancer Centre (CNIO) Madrid Spain
| | - Paula Martínez
- Telomeres and Telomerase Group Molecular Oncology Program Spanish National Cancer Centre (CNIO) Madrid Spain
| | - Maria A. Blasco
- Telomeres and Telomerase Group Molecular Oncology Program Spanish National Cancer Centre (CNIO) Madrid Spain
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12
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Mahmud SMH, Al-Mustanjid M, Akter F, Rahman MS, Ahmed K, Rahman MH, Chen W, Moni MA. Bioinformatics and system biology approach to identify the influences of SARS-CoV-2 infections to idiopathic pulmonary fibrosis and chronic obstructive pulmonary disease patients. Brief Bioinform 2021; 22:6224261. [PMID: 33847347 PMCID: PMC8083324 DOI: 10.1093/bib/bbab115] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 02/25/2021] [Accepted: 03/13/2021] [Indexed: 12/15/2022] Open
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), better known as COVID-19, has become a current threat to humanity. The second wave of the SARS-CoV-2 virus has hit many countries, and the confirmed COVID-19 cases are quickly spreading. Therefore, the epidemic is still passing the terrible stage. Having idiopathic pulmonary fibrosis (IPF) and chronic obstructive pulmonary disease (COPD) are the risk factors of the COVID-19, but the molecular mechanisms that underlie IPF, COPD, and CVOID-19 are not well understood. Therefore, we implemented transcriptomic analysis to detect common pathways and molecular biomarkers in IPF, COPD, and COVID-19 that help understand the linkage of SARS-CoV-2 to the IPF and COPD patients. Here, three RNA-seq datasets (GSE147507, GSE52463, and GSE57148) from Gene Expression Omnibus (GEO) is employed to detect mutual differentially expressed genes (DEGs) for IPF, and COPD patients with the COVID-19 infection for finding shared pathways and candidate drugs. A total of 65 common DEGs among these three datasets were identified. Various combinatorial statistical methods and bioinformatics tools were used to build the protein–protein interaction (PPI) and then identified Hub genes and essential modules from this PPI network. Moreover, we performed functional analysis under ontologies terms and pathway analysis and found that IPF and COPD have some shared links to the progression of COVID-19 infection. Transcription factors–genes interaction, protein–drug interactions, and DEGs-miRNAs coregulatory network with common DEGs also identified on the datasets. We think that the candidate drugs obtained by this study might be helpful for effective therapeutic in COVID-19.
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Affiliation(s)
- S M Hasan Mahmud
- Computer Science and Technology from the University of Electronic Science and Technology of China, China
| | | | - Farzana Akter
- Computer Science and Engineering from Daffodil International University, Bangladesh
| | | | - Kawsar Ahmed
- Information and Communication Technology (ICT) at Mawlana Bhashani Science and Technology University, Tangail, Bangladesh
| | - Md Habibur Rahman
- Institute of Automation, Chinese Academy of Sciences, Beijing, China
| | - Wenyu Chen
- University of Electronic Science and Technology of China, China
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13
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Shahangian K, Ngan DA, Chen HHR, Oh Y, Tam A, Wen J, Cheung C, Knight DA, Dorscheid DR, Hackett TL, Hughes MR, McNagny KM, Hirota JA, Niikura M, Man SFP, Sin DD. IL-4Rα blockade reduces influenza-associated morbidity in a murine model of allergic asthma. Respir Res 2021; 22:75. [PMID: 33653328 PMCID: PMC7922715 DOI: 10.1186/s12931-021-01669-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 02/21/2021] [Indexed: 11/14/2022] Open
Abstract
Background Asthma was identified as the most common comorbidity in hospitalized patients during the 2009 H1N1 influenza pandemic. We determined using a murine model of allergic asthma whether these mice experienced increased morbidity from pandemic H1N1 (pH1N1) viral infection and whether blockade of interleukin-4 receptor α (IL-4Rα), a critical mediator of Th2 signalling, improved their outcomes. Methods Male BALB/c mice were intranasally sensitized with house dust mite antigen (Der p 1) for 2 weeks; the mice were then inoculated intranasally with a single dose of pandemic H1N1 (pH1N1). The mice were administered intraperitoneally anti-IL-4Rα through either a prophylactic or a therapeutic treatment strategy. Results Infection with pH1N1 of mice sensitized to house dust mite (HDM) led to a 24% loss in weight by day 7 of infection (versus 14% in non-sensitized mice; p < .05). This was accompanied by increased viral load in the airways and a dampened anti-viral host responses to the infection. Treatment of HDM sensitized mice with a monoclonal antibody against IL-4Rα prior to or following pH1N1 infection prevented the excess weight loss, reduced the viral load in the lungs and ameliorated airway eosinophilia and systemic inflammation related to the pH1N1 infection. Conclusion Together, these data implicate allergic asthma as a significant risk factor for H1N1-related morbidity and reveal a potential therapeutic role for IL-4Rα signalling blockade in reducing the severity of influenza infection in those with allergic airway disease.
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Affiliation(s)
- Kimia Shahangian
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.,Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - David A Ngan
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.,Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - H H Rachel Chen
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.,Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Yeni Oh
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.,Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Anthony Tam
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.,Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Jing Wen
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.,Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Chung Cheung
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.,Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Darryl A Knight
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.,School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, Australia
| | - Delbert R Dorscheid
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.,Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Tillie L Hackett
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.,Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Michael R Hughes
- Department of Medicine, University of British Columbia, Vancouver, BC, Canada.,The Biomedical Research Centre, University of British Columbia, Vancouver, BC, Canada
| | - Kelly M McNagny
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.,Department of Medicine, University of British Columbia, Vancouver, BC, Canada.,The Biomedical Research Centre, University of British Columbia, Vancouver, BC, Canada
| | - Jeremy A Hirota
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.,Division of Respirology, Department of Medicine, McMaster University, Hamilton, ON, Canada
| | - Masahiro Niikura
- Department of Health Sciences, Simon Fraser University, Vancouver, BC, Canada
| | - S F Paul Man
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada.,Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Don D Sin
- Centre for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Room 166, 1081 Burrard Street, Vancouver, BC, V6Z 1Y6, Canada. .,Department of Medicine, University of British Columbia, Vancouver, BC, Canada.
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14
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Talaminos-Barroso A, Roa-Romero LM, Ortega-Ruiz F, Cejudo-Ramos P, Márquez-Martín E, Reina-Tosina J. Effects of genetics and altitude on lung function. CLINICAL RESPIRATORY JOURNAL 2020; 15:247-256. [PMID: 33112470 DOI: 10.1111/crj.13300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 09/11/2020] [Accepted: 10/23/2020] [Indexed: 12/13/2022]
Abstract
OBJECTIVES The aim of this work is to present a review on the impact of genetics and altitude on lung function from classic and recent studies. DATA SOURCE A systematic search has been carried out in different databases of scientific studies, using keywords related to lung volumes, spirometry, altitude and genetics. RESULTS The results of this work have been structured into three parts. First, the relationship between genes and lung function. Next, a review of the genetic predispositions related to respiratory adaptation of people who inhabit high-altitude regions for millennia. Finally, temporary effects and long-term acclimatisation on respiratory physiology at high altitude are presented. CONCLUSIONS The works focused on the influence of genetics and altitude on lung function are currently of interest in terms of studying the interactions between genetic, epigenetic and environmental factors in the configuration of the pathophysiological adaptation patterns.
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Affiliation(s)
| | | | - Francisco Ortega-Ruiz
- Medical-Surgical Unit of Respiratory Diseases, University Hospital Virgen del Rocio, Seville, Spain.,Spanish Networking Center on Biomedical Research, Area of Respiratory Diseases (CIBERES), Madrid, Spain
| | - Pilar Cejudo-Ramos
- Medical-Surgical Unit of Respiratory Diseases, University Hospital Virgen del Rocio, Seville, Spain.,Spanish Networking Center on Biomedical Research, Area of Respiratory Diseases (CIBERES), Madrid, Spain
| | - Eduardo Márquez-Martín
- Medical-Surgical Unit of Respiratory Diseases, University Hospital Virgen del Rocio, Seville, Spain
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15
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Cochard M, Ledoux F, Landkocz Y. Atmospheric fine particulate matter and epithelial mesenchymal transition in pulmonary cells: state of the art and critical review of the in vitro studies. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART B, CRITICAL REVIEWS 2020; 23:293-318. [PMID: 32921295 DOI: 10.1080/10937404.2020.1816238] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Exposure to fine particulate matter (PM2.5) has been associated with several diseases including asthma, chronic obstructive pulmonary disease (COPD) and lung cancer. Mechanisms such as oxidative stress and inflammation are well-documented and are considered as the starting point of some of the pathological responses. However, a number of studies also focused on epithelial-mesenchymal transition (EMT), which is a biological process involved in fibrotic diseases and cancer progression notably via metastasis induction. Up until now, EMT was widely reported in vivo and in vitro in various cell types but investigations dealing with in vitro studies of PM2.5 induced EMT in pulmonary cells are limited. Further, few investigations combined the necessary endpoints for validation of the EMT state in cells: such as expression of several surface, cytoskeleton or extracellular matrix biomarkers and activation of transcription markers and epigenetic factors. Studies explored various cell types, cultured under differing conditions and exposed for various durations to different doses. Such unharmonized protocols (1) might introduce bias, (2) make difficult comparison of results and (3) preclude reaching a definitive conclusion regarding the ability of airborne PM2.5 to induce EMT in pulmonary cells. Some questions remain, in particular the specific PM2.5 components responsible for EMT triggering. The aim of this review is to examine the available PM2.5 induced EMT in vitro studies on pulmonary cells with special emphasis on the critical parameters considered to carry out future research in this field. This clarification appears necessary for production of reliable and comparable results.
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Affiliation(s)
- Margaux Cochard
- Unité de Chimie Environnementale et Interactions sur le Vivant, UCEIV UR4492, SFR Condorcet FR-CNRS-3417, Univ. Littoral Côte d'Opale (ULCO) , Dunkerque, France
| | - Frédéric Ledoux
- Unité de Chimie Environnementale et Interactions sur le Vivant, UCEIV UR4492, SFR Condorcet FR-CNRS-3417, Univ. Littoral Côte d'Opale (ULCO) , Dunkerque, France
| | - Yann Landkocz
- Unité de Chimie Environnementale et Interactions sur le Vivant, UCEIV UR4492, SFR Condorcet FR-CNRS-3417, Univ. Littoral Côte d'Opale (ULCO) , Dunkerque, France
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16
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Ancel J, Belgacemi R, Perotin JM, Diabasana Z, Dury S, Dewolf M, Bonnomet A, Lalun N, Birembaut P, Polette M, Deslée G, Dormoy V. Sonic hedgehog signalling as a potential endobronchial biomarker in COPD. Respir Res 2020; 21:207. [PMID: 32767976 PMCID: PMC7412648 DOI: 10.1186/s12931-020-01478-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 08/02/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The hedgehog (HH) pathway has been associated with chronic obstructive pulmonary disease (COPD) in genome-wide association studies and recent studies suggest that HH signalling could be altered in COPD. We therefore used minimally invasive endobronchial procedures to assess activation of the HH pathway including the main transcription factor, Gli2, and the ligand, Sonic HH (Shh). METHODS Thirty non-COPD patients and 28 COPD patients were included. Bronchial brushings, bronchoalveolar lavage fluid (BALF) and bronchial biopsies were obtained from fiberoptic bronchoscopy. Characterization of cell populations and subcellular localization were evaluated by immunostaining. ELISA and RNAseq analysis were performed to identify Shh proteins in BAL and transcripts on lung tissues from non-COPD and COPD patients with validation in an external and independent cohort. RESULTS Compared to non-COPD patients, COPD patients exhibited a larger proportion of basal cells in bronchial brushings (26 ± 11% vs 13 ± 6%; p < 0.0001). Airway basal cells of COPD subjects presented less intense nuclear staining for Gli2 in bronchial brushings and biopsies (p < 0.05). Bronchial BALF from COPD patients contained lower Shh concentrations than non-COPD BALF (12.5 vs 40.9 pg/mL; p = 0.002); SHH transcripts were also reduced in COPD lungs in the validation cohort (p = 0.0001). CONCLUSION This study demonstrates the feasibility of assessing HH pathway activation in respiratory samples collected by bronchoscopy and identifies impaired bronchial epithelial HH signalling in COPD.
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Affiliation(s)
- Julien Ancel
- University of Reims Champagne-Ardenne, Inserm, P3Cell UMR-S 1250, SFR CAP-SANTE, 45 rue Cognacq-Jay, 51092, Reims, France.,Department of Pulmonary Medicine, University Hospital of Reims, Hôpital Maison Blanche, 51092, Reims, France
| | - Randa Belgacemi
- University of Reims Champagne-Ardenne, Inserm, P3Cell UMR-S 1250, SFR CAP-SANTE, 45 rue Cognacq-Jay, 51092, Reims, France
| | - Jeanne-Marie Perotin
- University of Reims Champagne-Ardenne, Inserm, P3Cell UMR-S 1250, SFR CAP-SANTE, 45 rue Cognacq-Jay, 51092, Reims, France.,Department of Pulmonary Medicine, University Hospital of Reims, Hôpital Maison Blanche, 51092, Reims, France
| | - Zania Diabasana
- University of Reims Champagne-Ardenne, Inserm, P3Cell UMR-S 1250, SFR CAP-SANTE, 45 rue Cognacq-Jay, 51092, Reims, France
| | - Sandra Dury
- Department of Pulmonary Medicine, University Hospital of Reims, Hôpital Maison Blanche, 51092, Reims, France
| | - Maxime Dewolf
- Department of Pulmonary Medicine, University Hospital of Reims, Hôpital Maison Blanche, 51092, Reims, France
| | - Arnaud Bonnomet
- University of Reims Champagne-Ardenne, Inserm, P3Cell UMR-S 1250, SFR CAP-SANTE, 45 rue Cognacq-Jay, 51092, Reims, France.,Platform of Cellular and Tissular Imaging (PICT), 51097, Reims, France
| | - Nathalie Lalun
- University of Reims Champagne-Ardenne, Inserm, P3Cell UMR-S 1250, SFR CAP-SANTE, 45 rue Cognacq-Jay, 51092, Reims, France
| | - Philippe Birembaut
- University of Reims Champagne-Ardenne, Inserm, P3Cell UMR-S 1250, SFR CAP-SANTE, 45 rue Cognacq-Jay, 51092, Reims, France.,University Hospital of Reims, Hôpital Maison Blanche, Laboratoire de Biopathologie, 51092, Reims, France
| | - Myriam Polette
- University of Reims Champagne-Ardenne, Inserm, P3Cell UMR-S 1250, SFR CAP-SANTE, 45 rue Cognacq-Jay, 51092, Reims, France.,University Hospital of Reims, Hôpital Maison Blanche, Laboratoire de Biopathologie, 51092, Reims, France
| | - Gaëtan Deslée
- University of Reims Champagne-Ardenne, Inserm, P3Cell UMR-S 1250, SFR CAP-SANTE, 45 rue Cognacq-Jay, 51092, Reims, France.,Department of Pulmonary Medicine, University Hospital of Reims, Hôpital Maison Blanche, 51092, Reims, France
| | - Valérian Dormoy
- University of Reims Champagne-Ardenne, Inserm, P3Cell UMR-S 1250, SFR CAP-SANTE, 45 rue Cognacq-Jay, 51092, Reims, France.
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17
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Couetil L, Cardwell JM, Leguillette R, Mazan M, Richard E, Bienzle D, Bullone M, Gerber V, Ivester K, Lavoie JP, Martin J, Moran G, Niedźwiedź A, Pusterla N, Swiderski C. Equine Asthma: Current Understanding and Future Directions. Front Vet Sci 2020; 7:450. [PMID: 32903600 PMCID: PMC7438831 DOI: 10.3389/fvets.2020.00450] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Accepted: 06/19/2020] [Indexed: 12/12/2022] Open
Abstract
The 2019 Havemeyer Workshop brought together researchers and clinicians to discuss the latest information on Equine Asthma and provide future research directions. Current clinical and molecular asthma phenotypes and endotypes in humans were discussed and compared to asthma phenotypes in horses. The role of infectious and non-infectious causes of equine asthma, genetic factors and proposed disease pathophysiology were reviewed. Diagnostic limitations were evident by the limited number of tests and biomarkers available to field practitioners. The participants emphasized the need for more accessible, standardized diagnostics that would help identify specific phenotypes and endotypes in order to create more targeted treatments or management strategies. One important outcome of the workshop was the creation of the Equine Asthma Group that will facilitate communication between veterinary practice and research communities through published and easily accessible guidelines and foster research collaboration.
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Affiliation(s)
- Laurent Couetil
- College of Veterinary Medicine, Purdue University, West Lafayette, IN, United States
| | - Jacqueline M Cardwell
- Department of Pathobiology and Population Sciences, Royal Veterinary College, London, United Kingdom
| | - Renaud Leguillette
- College of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Melissa Mazan
- Cummings School of Veterinary Medicine, Tufts University, Grafton, MA, United States
| | - Eric Richard
- LABÉO (Frank Duncombe), Normandie Université, UniCaen, Caen, France
| | - Dorothee Bienzle
- Department of Pathobiology, University of Guelph, Guelph, ON, Canada
| | - Michela Bullone
- Department of Veterinary Sciences, University of Turin, Grugliasco, Italy
| | - Vinzenz Gerber
- Vetsuisse Faculty, Institut Suisse de Médecine Équine (ISME), University of Bern and Agroscope, Bern, Switzerland
| | - Kathleen Ivester
- College of Veterinary Medicine, Purdue University, West Lafayette, IN, United States
| | - Jean-Pierre Lavoie
- Faculty of Veterinary Medicine, University of Montreal, Montreal, QC, Canada
| | - James Martin
- Meakins Christie Laboratories, McGill University Health Center Research Institute, Montreal, QC, Canada
| | - Gabriel Moran
- Department of Pharmacology, Faculty of Veterinary Sciences, Universidad Austral de Chile, Valdivia, Chile
| | - Artur Niedźwiedź
- Department of Internal Diseases With Clinic for Horses, Dogs and Cats, Wroclaw University of Environmental and Life Sciences, Wrocław, Poland
| | - Nicola Pusterla
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, Davis, CA, United States
| | - Cyprianna Swiderski
- College of Veterinary Medicine, Mississippi State University, Starkville, MS, United States
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18
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Mei D, Tan WSD, Tay Y, Mukhopadhyay A, Wong WSF. Therapeutic RNA Strategies for Chronic Obstructive Pulmonary Disease. Trends Pharmacol Sci 2020; 41:475-486. [PMID: 32434654 DOI: 10.1016/j.tips.2020.04.007] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 04/24/2020] [Accepted: 04/25/2020] [Indexed: 12/12/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is characterized by airflow limitation with persistent respiratory symptoms. Current therapeutics for COPD are largely borrowed from the drug armamentarium for the treatment of asthma, which has different pathophysiological mechanisms from COPD. COPD has been linked to dysregulated expression of mRNAs and noncoding (nc)RNAs including miRNAs, PIWI-interacting (pi)RNAs, long noncoding (lnc)RNAs, and circular (circ)RNAs. This review highlights and discusses some recent advances towards development of RNA therapeutics for COPD.
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Affiliation(s)
- Dan Mei
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University Health System, Singapore 117600
| | - W S Daniel Tan
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University Health System, Singapore 117600
| | - Yvonne Tay
- Cancer Science Institute of Singapore, Centre for Translational Medicine, National University of Singapore, Singapore 117599; Department of Biochemistry, Yong Loo Lin School of Medicine, National University Health System, Singapore 117597
| | - Amartya Mukhopadhyay
- Respiratory and Critical Care Medicine, University Medicine Cluster, National University Health System, Singapore 119228
| | - W S Fred Wong
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University Health System, Singapore 117600; Immunology Program, Life Science Institute; National University of Singapore, Singapore 117456; Singapore-HUJ Alliance for Research and Enterprise, National University of Singapore, Singapore 138602.
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19
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Leung JM, Yang CX, Tam A, Shaipanich T, Hackett TL, Singhera GK, Dorscheid DR, Sin DD. ACE-2 expression in the small airway epithelia of smokers and COPD patients: implications for COVID-19. Eur Respir J 2020; 55:13993003.00688-2020. [PMID: 32269089 DOI: 10.1101/2020.03.18.20038455] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 03/25/2020] [Indexed: 05/27/2023]
Abstract
Smokers and those with COPD have increased airway expression of ACE-2, which is the entry receptor for the COVID-19 virus. This may explain the increased risk of severe COVID-19 in these subpopulations and highlight the importance of smoking cessation. https://bit.ly/3bC29es
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Affiliation(s)
- Janice M Leung
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Chen X Yang
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Anthony Tam
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Tawimas Shaipanich
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Tillie-Louise Hackett
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
- Dept of Anesthesia, Pharmacology and Therapeutics, University of British Columbia, Vancouver, BC, Canada
| | - Gurpreet K Singhera
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Delbert R Dorscheid
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Don D Sin
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
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20
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Leung JM, Yang CX, Tam A, Shaipanich T, Hackett TL, Singhera GK, Dorscheid DR, Sin DD. ACE-2 expression in the small airway epithelia of smokers and COPD patients: implications for COVID-19. Eur Respir J 2020; 55:2000688. [PMID: 32269089 PMCID: PMC7144263 DOI: 10.1183/13993003.00688-2020] [Citation(s) in RCA: 562] [Impact Index Per Article: 140.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 03/25/2020] [Indexed: 01/07/2023]
Abstract
The World Health Organization (WHO) has declared coronavirus disease 2019 (COVID-19) a pandemic [1]. COVID-19 is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). COVID-19 displays symptoms ranging from mild to severe (pneumonia) that can lead to death in some individuals [2–4]. As of 18 April 2020, there have been 2 280 945 cases of COVID-19 worldwide and 156 354 deaths [5]. SARS-CoV-2 uses the angiotensin-converting enzyme II (ACE-2) as the cellular entry receptor [6]. While the virus can infect individuals of any age, to date, most of the severe cases have been described in those >55 years of age and with significant comorbidities, such as COPD [7]. Here, we determined whether patients with COPD have increased expression of ACE-2 in bronchial epithelial cells in the lower respiratory tract. Smokers and those with COPD have increased airway expression of ACE-2, which is the entry receptor for the COVID-19 virus. This may explain the increased risk of severe COVID-19 in these subpopulations and highlight the importance of smoking cessation. https://bit.ly/3bC29es
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Affiliation(s)
- Janice M Leung
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Chen X Yang
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Anthony Tam
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Tawimas Shaipanich
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Tillie-Louise Hackett
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
- Dept of Anesthesia, Pharmacology and Therapeutics, University of British Columbia, Vancouver, BC, Canada
| | - Gurpreet K Singhera
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Delbert R Dorscheid
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Don D Sin
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada
- St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
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21
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Leung JM, Yang CX, Tam A, Shaipanich T, Hackett TL, Singhera GK, Dorscheid DR, Sin DD. ACE-2 expression in the small airway epithelia of smokers and COPD patients: implications for COVID-19. Eur Respir J 2020. [PMID: 32269089 DOI: 10.1183/13993003.00688‐2020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Janice M Leung
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada.,Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada.,St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Chen X Yang
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada.,Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada.,St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Anthony Tam
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada.,Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada.,St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Tawimas Shaipanich
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada.,St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Tillie-Louise Hackett
- Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada.,St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada.,Dept of Anesthesia, Pharmacology and Therapeutics, University of British Columbia, Vancouver, BC, Canada
| | - Gurpreet K Singhera
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada.,Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada.,St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Delbert R Dorscheid
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada.,Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada.,St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
| | - Don D Sin
- University of British Columbia (UBC) Centre for Heart Lung Innovation, Vancouver, BC, Canada .,Dept of Medicine (Division of Respirology), University of British Columbia, Vancouver, BC, Canada.,St Paul's Hospital, Providence Health Care, Vancouver, BC, Canada
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Sunny SK, Zhang H, Rezwan FI, Relton CL, Henderson AJ, Merid SK, Melén E, Hallberg J, Arshad SH, Ewart S, Holloway JW. Changes of DNA methylation are associated with changes in lung function during adolescence. Respir Res 2020; 21:80. [PMID: 32264874 PMCID: PMC7140357 DOI: 10.1186/s12931-020-01342-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 03/25/2020] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Adolescence is a significant period for the gender-dependent development of lung function. Prior studies have shown that DNA methylation (DNA-M) is associated with lung function and DNA-M at some cytosine-phosphate-guanine dinucleotide sites (CpGs) changes over time. This study examined whether changes of DNA-M at lung-function-related CpGs are associated with changes in lung function during adolescence for each gender, and if so, the biological significance of the detected CpGs. METHODS Genome-scale DNA-M was measured in peripheral blood samples at ages 10 (n = 330) and 18 years (n = 476) from the Isle of Wight (IOW) birth cohort in United Kingdom, using Illumina Infinium arrays (450 K and EPIC). Spirometry was conducted at both ages. A training and testing method was used to screen 402,714 CpGs for their potential associations with lung function. Linear regressions were applied to assess the association of changes in lung function with changes of DNA-M at those CpGs potentially related to lung function. Adolescence-related and personal and family-related confounders were included in the model. The analyses were stratified by gender. Multiple testing was adjusted by controlling false discovery rate of 0.05. Findings were further examined in two independent birth cohorts, the Avon Longitudinal Study of Children and Parents (ALSPAC) and the Children, Allergy, Milieu, Stockholm, Epidemiology (BAMSE) cohort. Pathway analyses were performed on genes to which the identified CpGs were mapped. RESULTS For females, 42 CpGs showed statistically significant associations with change in FEV1/FVC, but none for change in FEV1 or FVC. No CpGs were identified for males. In replication analyses, 16 and 21 of the 42 CpGs showed the same direction of associations among the females in the ALSPAC and BAMSE cohorts, respectively, with 11 CpGs overlapping across all the three cohorts. Through pathway analyses, significant biological processes were identified that have previously been related to lung function development. CONCLUSIONS The detected 11 CpGs in all three cohorts have the potential to serve as the candidate epigenetic markers for changes in lung function during adolescence in females.
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Affiliation(s)
- Shadia Khan Sunny
- Division of Epidemiology, Biostatistics, and Environmental Health, School of Public Health, University of Memphis, Memphis, TN 38152 USA
| | - Hongmei Zhang
- Division of Epidemiology, Biostatistics, and Environmental Health, School of Public Health, University of Memphis, Memphis, TN 38152 USA
| | - Faisal I. Rezwan
- School of Water, Energy and Environment, Cranfield University, Cranfield Bedfordshire, MK43 0AL England
| | - Caroline L. Relton
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, BS8 2BN UK
| | - A. John Henderson
- Population Health Sciences, University of Bristol, Bristol, BS8 2BN UK
| | - Simon Kebede Merid
- Department of Clinical Sciences and Education Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
| | - Erik Melén
- Department of Clinical Sciences and Education Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
- Sachs’ Children’s Hospital, Stockholm, Sweden
| | - Jenny Hallberg
- Department of Clinical Sciences and Education Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
- Sachs’ Children’s Hospital, Stockholm, Sweden
| | - S. Hasan Arshad
- Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD UK
- The David Hide Asthma and Allergy Research Centre, St Mary’s Hospital, Parkhurst Road, Newport, Isle of Wight PO30 5TG UK
| | - Susan Ewart
- Large Animal Clinical Sciences, Michigan State University, East Lansing, MI USA
| | - John W. Holloway
- Human Development and Health, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD UK
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Wang X, Xu C, Ji J, Cai Y, Shu Y, Chao Y, Wu X, Zou C, Wu X, Tang L. IL-4/IL-13 upregulates Sonic hedgehog expression to induce allergic airway epithelial remodeling. Am J Physiol Lung Cell Mol Physiol 2020; 318:L888-L899. [PMID: 32130032 DOI: 10.1152/ajplung.00186.2019] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
We have previously demonstrated that upregulation of Sonic hedgehog (SHH) expression in allergic airway epithelia essentially contributes to the goblet cell metaplasia and mucous hypersecretion. However, the mechanism underlying the upregulation of SHH expression remains completely unknown. In cultured human airway epithelial cells, IL-4/IL-13 but not IL-5 robustly induces the mRNA and protein expression of SHH and in turn activates SHH signaling by promoting the JAK/STAT6-controlling transcription of SHH gene. Moreover, intratracheal instillation of IL-4 and/or IL-13 robustly activates STAT6 and concomitantly upregulates SHH expression in mouse airway epithelia, whereas, in Club cell 10-kDa protein (CC10)-positive airway epithelial cells of children with asthma, activated STAT6 closely correlates with the increased expression of SHH and high activity of SHH signaling. Finally, intratracheal inhibition of STAT6 by AS-1517499 significantly diminished the allergen-induced upregulation of SHH expression, goblet cell phenotypes, and airway hyperresponsiveness, in an ovalbumin- or house dust mite-induced mouse model with allergic airway inflammation,. Together, upregulation of SHH expression by IL-4/IL-13-induced JAK/STAT6 signaling contributes to allergic airway epithelial remodeling, and this study thus provides insight into how morphogen signaling is coordinated with Th2 cytokine pathways to regulate tissue remodeling in chronic airway diseases.
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Affiliation(s)
- Xiangzhi Wang
- Department of Respiratory Medicine, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,National Clinical Research Center for Child Health, Hangzhou, China
| | - Chengyun Xu
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of CFDA for Respiratory Drug Research, Zhejiang University School of Medicine, Hangzhou, China
| | - Junyan Ji
- Department of Respiratory Medicine, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,National Clinical Research Center for Child Health, Hangzhou, China
| | - Yuqing Cai
- Department of Respiratory Medicine, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,National Clinical Research Center for Child Health, Hangzhou, China
| | - Yingying Shu
- National Clinical Research Center for Child Health, Hangzhou, China.,Department of Endocrinology, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yunqi Chao
- National Clinical Research Center for Child Health, Hangzhou, China.,Department of Endocrinology, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiling Wu
- Department of Respiratory Medicine, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,National Clinical Research Center for Child Health, Hangzhou, China
| | - Chaochun Zou
- National Clinical Research Center for Child Health, Hangzhou, China.,Department of Endocrinology, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ximei Wu
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of CFDA for Respiratory Drug Research, Zhejiang University School of Medicine, Hangzhou, China
| | - Lanfang Tang
- Department of Respiratory Medicine, The Children's Hospital, Zhejiang University School of Medicine, Hangzhou, China.,National Clinical Research Center for Child Health, Hangzhou, China
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24
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Tam A, Tanabe N, Churg A, Wright JL, Hogg JC, Sin DD. Sex differences in lymphoid follicles in COPD airways. Respir Res 2020; 21:46. [PMID: 32033623 PMCID: PMC7006095 DOI: 10.1186/s12931-020-1311-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 01/30/2020] [Indexed: 01/20/2023] Open
Abstract
Background Female smokers have increased risk for chronic obstructive pulmonary disease (COPD) compared with male smokers who have a similar history of cigarette smoke exposure. Tertiary lymphoid follicles are often found in the lungs of patients with severe COPD but sex-related differences have not been previously investigated. We determined the impact of female sex hormones on chronic cigarette smoke-induced expression of lymphoid aggregates in mice with COPD-like pathologies. Methods Lymphoid aggregate counts, total aggregate cross-sectional area and foamy macrophage counts were determined morphometrically in male, female, and ovariectomized mice exposed to air or cigarette smoke for 6 months. B-cell activating factor (BAFF) protein expression and markers of oxidative stress were evaluated in mouse lung tissues by immunofluorescence staining and gene expression analyses. Quantitative histology was performed on lung tissue sections of human COPD lungs to evaluate follicle formation. Results Lymphoid follicle and foamy macrophage counts as well as the total follicle cross-sectional area were differentially increased in lung tissues of female mice compared to male mice, and these differences were abolished by ovariectomy. These lymphoid aggregates were positive for CD45, CD20, CD21 and BAFF expression. Differential increases in Mmp12 and Cxcl2 gene expression correlated with an increase in foamy macrophages in parenchymal tissues of female but not male mice after smoke exposure. Parenchymal tissues from female mice failed to induce antioxidant-related genes in response to smoke exposure, and this effect was restored by ovariectomy. 3-nitrotyrosine, a stable marker of oxidative stress, positively correlated with Mmp12 and Cxcl2 gene expression. Hydrogen peroxide induced BAFF protein in mouse macrophage cell line. In human lung tissues, female smokers with severe COPD demonstrated increased numbers of lymphoid follicles compared with males. Conclusions Chronic smoke exposure increases the risk of lymphoid aggregate formation in female mice compared with male mice, which is mediated female sex hormones and BAFF expression in an oxidative environment.
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Affiliation(s)
- Anthony Tam
- Centre for Heart Lung Innovation, St. Paul's Hospital, & Department of Medicine, Vancouver, British Columbia, Canada
| | - Naoya Tanabe
- Centre for Heart Lung Innovation, St. Paul's Hospital, & Department of Medicine, Vancouver, British Columbia, Canada.,Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Andrew Churg
- Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
| | - Joanne L Wright
- Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
| | - James C Hogg
- Centre for Heart Lung Innovation, St. Paul's Hospital, & Department of Medicine, Vancouver, British Columbia, Canada
| | - Don D Sin
- Centre for Heart Lung Innovation, St. Paul's Hospital, & Department of Medicine, Vancouver, British Columbia, Canada.
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25
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Hadzic S, Wu CY, Avdeev S, Weissmann N, Schermuly RT, Kosanovic D. Lung epithelium damage in COPD - An unstoppable pathological event? Cell Signal 2020; 68:109540. [PMID: 31953012 DOI: 10.1016/j.cellsig.2020.109540] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 01/11/2020] [Accepted: 01/11/2020] [Indexed: 10/25/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is a common term for alveolar septal wall destruction resulting in emphysema, and chronic bronchitis accompanied by conductive airway remodelling. In general, this disease is characterized by a disbalance of proteolytic/anti-proteolytic activity, augmented inflammatory response, increased oxidative/nitrosative stress, rise in number of apoptotic cells and decreased proliferation. As the first responder to the various environmental stimuli, epithelium occupies an important position in different lung pathologies, including COPD. Epithelium sequentially transitions from the upper airways in the direction of the gas exchange surface in the alveoli, and every cell type possesses a distinct role in the maintenance of the homeostasis. Basically, a thick ciliated structure of the airway epithelium has a major function in mucus secretion, whereas, alveolar epithelium which forms a thin barrier covered by surfactant has a function in gas exchange. Following this line, we will try to reveal whether or not the chronic bronchitis and emphysema, being two pathological phenotypes in COPD, could originate in two different types of epithelium. In addition, this review focuses on the role of lung epithelium in COPD pathology, and summarises underlying mechanisms and potential therapeutics.
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Affiliation(s)
- Stefan Hadzic
- Department of Internal Medicine, Cardio-Pulmonary Institute (CPI), German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany
| | - Cheng-Yu Wu
- Department of Internal Medicine, Cardio-Pulmonary Institute (CPI), German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany
| | - Sergey Avdeev
- Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Norbert Weissmann
- Department of Internal Medicine, Cardio-Pulmonary Institute (CPI), German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany
| | - Ralph Theo Schermuly
- Department of Internal Medicine, Cardio-Pulmonary Institute (CPI), German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany
| | - Djuro Kosanovic
- Department of Internal Medicine, Cardio-Pulmonary Institute (CPI), German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany; Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.
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26
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Belgacemi R, Luczka E, Ancel J, Diabasana Z, Perotin JM, Germain A, Lalun N, Birembaut P, Dubernard X, Mérol JC, Delepine G, Polette M, Deslée G, Dormoy V. Airway epithelial cell differentiation relies on deficient Hedgehog signalling in COPD. EBioMedicine 2020; 51:102572. [PMID: 31877414 PMCID: PMC6931110 DOI: 10.1016/j.ebiom.2019.11.033] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 10/11/2019] [Accepted: 11/20/2019] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Hedgehog (HH) pathway is constantly under scrutiny in the context of organ development. Lung morphogenesis requires HH signalling which participates thereafter to the pulmonary homeostasis by regulating epithelial cell quiescence and repair. Since epithelial remodelling is a hallmark of Chronic Obstructive Pulmonary Disease (COPD), we investigated whether the main molecular actors of HH pathway participate to airway epithelial cell differentiation and we analysed their alterations in COPD patients. METHODS Sonic HH (Shh) secretion was assessed by ELISA in airway epithelial cell (AEC) air-liquid interface culture supernatants. HH pathway activation was evaluated by RT-qPCR, western blot and immunostaining. Inhibition of HH signalling was achieved upon Shh chelation during epithelial cell differentiation. HH pathway core components localization was investigated in lung tissues from non-COPD and COPD patients. FINDINGS We demonstrate that progenitors of AEC produced Shh responsible for the activation of HH signalling during the process of differentiation. Preventing the ligand-induced HH activation led to the establishment of a remodelled epithelium with increased number of basal cells and reduced ciliogenesis. Gli2 activating transcription factor was demonstrated as a key-element in the regulation of AEC differentiation. More importantly, Gli2 and Smo were lost in AEC from COPD patients. INTERPRETATION Our data suggest that HH pathway is crucial for airway epithelial cell differentiation and highlight its role in COPD-associated epithelial remodelling.
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Affiliation(s)
- Randa Belgacemi
- Université de Reims Champagne-Ardenne, INSERM, P3Cell UMR-S1250, SFR CAP-SANTE, Reims 51097, France
| | - Emilie Luczka
- Université de Reims Champagne-Ardenne, INSERM, P3Cell UMR-S1250, SFR CAP-SANTE, Reims 51097, France
| | - Julien Ancel
- Université de Reims Champagne-Ardenne, INSERM, P3Cell UMR-S1250, SFR CAP-SANTE, Reims 51097, France; CHU Reims, Hôpital Maison Blanche, Service de pneumologie, Reims 51092, France
| | - Zania Diabasana
- Université de Reims Champagne-Ardenne, INSERM, P3Cell UMR-S1250, SFR CAP-SANTE, Reims 51097, France
| | - Jeanne-Marie Perotin
- Université de Reims Champagne-Ardenne, INSERM, P3Cell UMR-S1250, SFR CAP-SANTE, Reims 51097, France; CHU Reims, Hôpital Maison Blanche, Service de pneumologie, Reims 51092, France
| | - Adeline Germain
- Université de Reims Champagne-Ardenne, INSERM, P3Cell UMR-S1250, SFR CAP-SANTE, Reims 51097, France
| | - Nathalie Lalun
- Université de Reims Champagne-Ardenne, INSERM, P3Cell UMR-S1250, SFR CAP-SANTE, Reims 51097, France
| | - Philippe Birembaut
- Université de Reims Champagne-Ardenne, INSERM, P3Cell UMR-S1250, SFR CAP-SANTE, Reims 51097, France; CHU Reims, Hôpital Maison Blanche, Laboratoire de biopathologie, Reims 51092, France
| | - Xavier Dubernard
- CHU Reims, Hôpital Robert Debré, Service d'oto-rhino-laryngologie, Reims 51092, France
| | - Jean-Claude Mérol
- Université de Reims Champagne-Ardenne, INSERM, P3Cell UMR-S1250, SFR CAP-SANTE, Reims 51097, France; CHU Reims, Hôpital Robert Debré, Service d'oto-rhino-laryngologie, Reims 51092, France
| | - Gonzague Delepine
- Université de Reims Champagne-Ardenne, INSERM, P3Cell UMR-S1250, SFR CAP-SANTE, Reims 51097, France; CHU Reims, Hôpital Robert Debré, Service de chirurgie cardio-vasculaire et thoracique, Reims 51092, France
| | - Myriam Polette
- Université de Reims Champagne-Ardenne, INSERM, P3Cell UMR-S1250, SFR CAP-SANTE, Reims 51097, France; CHU Reims, Hôpital Maison Blanche, Laboratoire de biopathologie, Reims 51092, France
| | - Gaëtan Deslée
- Université de Reims Champagne-Ardenne, INSERM, P3Cell UMR-S1250, SFR CAP-SANTE, Reims 51097, France; CHU Reims, Hôpital Maison Blanche, Service de pneumologie, Reims 51092, France
| | - Valérian Dormoy
- Université de Reims Champagne-Ardenne, INSERM, P3Cell UMR-S1250, SFR CAP-SANTE, Reims 51097, France.
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27
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Wang C, Cassandras M, Peng T. The Role of Hedgehog Signaling in Adult Lung Regeneration and Maintenance. J Dev Biol 2019; 7:jdb7030014. [PMID: 31323955 PMCID: PMC6787692 DOI: 10.3390/jdb7030014] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 06/29/2019] [Accepted: 07/03/2019] [Indexed: 12/13/2022] Open
Abstract
As a secreted morphogen, Sonic Hedgehog (SHH) determines differential cell fates, behaviors, and functions by forming a gradient of Hedgehog (Hh) activation along an axis of Hh-receptive cells during development. Despite clearly delineated roles for Hh during organ morphogenesis, whether Hh continues to regulate cell fate and behavior in the same fashion in adult organs is less understood. Adult organs, particularly barrier organs interfacing with the ambient environment, are exposed to insults that require renewal of cellular populations to maintain structural integrity. Understanding key aspects of Hh’s ability to generate an organ could translate into conceptual understanding of Hh’s ability to maintain organ homeostasis and stimulate regeneration. In this review, we will summarize the current knowledge about Hh signaling in regulating adult lung regeneration and maintenance, and discuss how alteration of Hh signaling contributes to adult lung diseases.
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Affiliation(s)
- Chaoqun Wang
- Department of Medicine, Cardiovascular Research Institute, UCSF, San Francisco, CA 94143, USA
| | - Monica Cassandras
- Department of Medicine, Cardiovascular Research Institute, UCSF, San Francisco, CA 94143, USA
| | - Tien Peng
- Department of Medicine, Cardiovascular Research Institute, UCSF, San Francisco, CA 94143, USA.
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28
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Starkey MR, Plank MW, Casolari P, Papi A, Pavlidis S, Guo Y, Cameron GJM, Haw TJ, Tam A, Obiedat M, Donovan C, Hansbro NG, Nguyen DH, Nair PM, Kim RY, Horvat JC, Kaiko GE, Durum SK, Wark PA, Sin DD, Caramori G, Adcock IM, Foster PS, Hansbro PM. IL-22 and its receptors are increased in human and experimental COPD and contribute to pathogenesis. Eur Respir J 2019; 54:1800174. [PMID: 31196943 PMCID: PMC8132110 DOI: 10.1183/13993003.00174-2018] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 04/19/2019] [Indexed: 12/24/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is the third leading cause of morbidity and death globally. The lack of effective treatments results from an incomplete understanding of the underlying mechanisms driving COPD pathogenesis.Interleukin (IL)-22 has been implicated in airway inflammation and is increased in COPD patients. However, its roles in the pathogenesis of COPD is poorly understood. Here, we investigated the role of IL-22 in human COPD and in cigarette smoke (CS)-induced experimental COPD.IL-22 and IL-22 receptor mRNA expression and protein levels were increased in COPD patients compared to healthy smoking or non-smoking controls. IL-22 and IL-22 receptor levels were increased in the lungs of mice with experimental COPD compared to controls and the cellular source of IL-22 included CD4+ T-helper cells, γδ T-cells, natural killer T-cells and group 3 innate lymphoid cells. CS-induced pulmonary neutrophils were reduced in IL-22-deficient (Il22 -/-) mice. CS-induced airway remodelling and emphysema-like alveolar enlargement did not occur in Il22 -/- mice. Il22 -/- mice had improved lung function in terms of airway resistance, total lung capacity, inspiratory capacity, forced vital capacity and compliance.These data highlight important roles for IL-22 and its receptors in human COPD and CS-induced experimental COPD.
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Affiliation(s)
- Malcolm R Starkey
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
| | - Maximilian W Plank
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
| | - Paolo Casolari
- Interdepartmental Study Center for Inflammatory and Smoke-related Airway Diseases (CEMICEF), Cardiorespiratory and Internal Medicine Section, University of Ferrara, Ferrara, Italy
| | - Alberto Papi
- Interdepartmental Study Center for Inflammatory and Smoke-related Airway Diseases (CEMICEF), Cardiorespiratory and Internal Medicine Section, University of Ferrara, Ferrara, Italy
| | - Stelios Pavlidis
- The Airways Disease Section, National Heart and Lung Institute, Imperial College London, London, UK
| | - Yike Guo
- The Airways Disease Section, National Heart and Lung Institute, Imperial College London, London, UK
| | - Guy J M Cameron
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
| | - Tatt Jhong Haw
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
| | - Anthony Tam
- The University of British Columbia Center for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, Canada
- Respiratory Division, Dept of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Ma'en Obiedat
- The University of British Columbia Center for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, Canada
- Respiratory Division, Dept of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Chantal Donovan
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
| | - Nicole G Hansbro
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
- Centre for inflammation, Centenary Institute, Sydney, Australia
- School of Life Sciences, University of Technology, Ultimo, Australia
| | - Duc H Nguyen
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
| | - Prema Mono Nair
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
| | - Richard Y Kim
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
| | - Jay C Horvat
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
| | - Gerard E Kaiko
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
| | - Scott K Durum
- Laboratory of Immunoregulation, Cancer and Inflammation Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, MD, USA
| | - Peter A Wark
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
| | - Don D Sin
- The University of British Columbia Center for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, Canada
- Respiratory Division, Dept of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Gaetano Caramori
- UOC di Pneumologia, Dipartimento di Scienze Biomediche, Odontoiatriche e delle Immagini Morfologiche e Funzionali (BIOMORF), Università di Messina, Messina, Italy
| | - Ian M Adcock
- The Airways Disease Section, National Heart and Lung Institute, Imperial College London, London, UK
| | - Paul S Foster
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
| | - Philip M Hansbro
- Priority Research Centres GrowUpWell and Healthy Lungs, School of Biomedical Sciences and Pharmacy, Hunter Medical Research Institute and University of Newcastle, Callaghan, Australia
- Centre for inflammation, Centenary Institute, Sydney, Australia
- School of Life Sciences, University of Technology, Ultimo, Australia
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29
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Huang X, Mu X, Deng L, Fu A, Pu E, Tang T, Kong X. The etiologic origins for chronic obstructive pulmonary disease. Int J Chron Obstruct Pulmon Dis 2019; 14:1139-1158. [PMID: 31213794 PMCID: PMC6549659 DOI: 10.2147/copd.s203215] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 04/18/2019] [Indexed: 12/27/2022] Open
Abstract
COPD, characterized by long-term poorly irreversible airway limitation and persistent respiratory symptoms, has resulted in enormous challenges to human health worldwide, with increasing rates of prevalence, death, and disability. Although its origin was thought to be in the interactions of genetic with environmental factors, the effects of environmental factors on the disease during different life stages remain little known. Without clear mechanisms and radical cure for it, early screening and prevention of COPD seem to be important. In this review, we will discuss the etiologic origins for poor lung function and COPD caused by specific adverse effects during corresponding life stages, as well as try to find new insights and potential prevention strategies for this disease.
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Affiliation(s)
- Xinwei Huang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming City, Yunnan Province, People's Republic of China.,Medical School, Kunming University of Science and Technology, Kunming City, Yunnan Province, People's Republic of China
| | - Xi Mu
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming City, Yunnan Province, People's Republic of China
| | - Li Deng
- The Pathology Department, First People's Hospital of Yunnan Province, Kunming City, Yunnan Province, People's Republic of China
| | - Aili Fu
- Department of Oncology, Yunfeng Hospital, Xuanwei City, Yunnan Province, People's Republic of China
| | - Endong Pu
- Department of Thoracic Surgery, Yunfeng Hospital, Xuanwei City, Yunnan Province, People's Republic of China
| | - Tao Tang
- Medical School, Kunming University of Science and Technology, Kunming City, Yunnan Province, People's Republic of China
| | - Xiangyang Kong
- Medical School, Kunming University of Science and Technology, Kunming City, Yunnan Province, People's Republic of China
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