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Wu J, Lu Y, Dong S, Wu L, Shen X. Predicting COPD exacerbations based on quantitative CT analysis: an external validation study. Front Med (Lausanne) 2024; 11:1370917. [PMID: 38933101 PMCID: PMC11199769 DOI: 10.3389/fmed.2024.1370917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 05/30/2024] [Indexed: 06/28/2024] Open
Abstract
Purpose Quantitative computed tomography (CT) analysis is an important method for diagnosis and severity evaluation of lung diseases. However, the association between CT-derived biomarkers and chronic obstructive pulmonary disease (COPD) exacerbations remains unclear. We aimed to investigate its potential in predicting COPD exacerbations. Methods Patients with COPD were consecutively enrolled, and their data were analyzed in this retrospective study. Body composition and thoracic abnormalities were analyzed from chest CT scans. Logistic regression analysis was performed to identify independent risk factors of exacerbation. Based on 2-year follow-up data, the deep learning system (DLS) was developed to predict future exacerbations. Receiver operating characteristic (ROC) curve analysis was conducted to assess the diagnostic performance. Finally, the survival analysis was performed to further evaluate the potential of the DLS in risk stratification. Results A total of 1,150 eligible patients were included and followed up for 2 years. Multivariate analysis revealed that CT-derived high affected lung volume/total lung capacity (ALV/TLC) ratio, high visceral adipose tissue area (VAT), and low pectoralis muscle cross-sectional area (CSA) were independent risk factors causing COPD exacerbations. The DLS outperformed exacerbation history and the BMI, airflow obstruction, dyspnea, and exercise capacity (BODE) index, with an area under the ROC (AUC) value of 0.88 (95%CI, 0.82-0.92) in the internal cohort and 0.86 (95%CI, 0.81-0.89) in the external cohort. The DeLong test revealed significance between this system and conventional scores in the test cohorts (p < 0.05). In the survival analysis, patients with higher risk were susceptible to exacerbation events. Conclusion The DLS could allow accurate prediction of COPD exacerbations. The newly identified CT biomarkers (ALV/TLC ratio, VAT, and pectoralis muscle CSA) could potentially enable investigation into underlying mechanisms responsible for exacerbations.
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Affiliation(s)
- Ji Wu
- Department of General Surgery, Suzhou Ninth Hospital Affiliated to Soochow University, Suzhou, China
| | - Yao Lu
- Department of Anesthesia, Fifth People's Hospital of Wujiang District, Suzhou, China
| | - Sunbin Dong
- Department of General Medicine, Municipal Hospital, Suzhou, China
| | - Luyang Wu
- Department of General Medicine, Municipal Hospital, Suzhou, China
| | - Xiping Shen
- Department of General Surgery, Suzhou Ninth Hospital Affiliated to Soochow University, Suzhou, China
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2
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Li Y, Han M, Li X. Clinical and prognostic implications of hyaluronic acid in patients with COVID-19 reinfection and first infection. Front Microbiol 2024; 15:1406581. [PMID: 38881657 PMCID: PMC11178136 DOI: 10.3389/fmicb.2024.1406581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 05/20/2024] [Indexed: 06/18/2024] Open
Abstract
Objective Previous research has shown that human identical sequences of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) promote coronavirus disease 2019 (COVID-19) progression by upregulating hyaluronic acid (HA). However, the association of HA with mortality and long COVID in SARS-CoV-2 reinfection and first infection is unclear. Methods Patients with COVID-19 at Beijing Ditan Hospital from September 2023 to November 2023 were consecutively enrolled. SARS-CoV-2 reinfections were matched 1:2 with first infections using a nearest neighbor propensity score matching algorithm. We compared the hospital outcomes between patients with COVID-19 reinfection and first infection. The association between HA levels and mortality and long COVID in the matched cohort was analyzed. Results The reinfection rate among COVID-19 hospitalized patients was 25.4% (62 cases). After propensity score matching, we found that reinfection was associated with a better clinical course and prognosis, including lower levels of C-reactive protein and erythrocyte sedimentation rate, fewer cases of bilateral lung infiltration and respiratory failure, and shorter viral clearance time and duration of symptoms (p < 0.05). HA levels were significantly higher in patients with primary infection [128.0 (90.5, 185.0) vs. 94.5 (62.0, 167.3), p = 0.008], those with prolonged viral clearance time [90.5 (61.5, 130.8) vs. 130.0 (95.0, 188.0), p < 0.001], and deceased patients [105.5 (76.8, 164.5) vs. 188.0 (118.0, 208.0), p = 0.002]. Further analysis showed that HA was an independent predictor of death (AUC: 0.789), and the risk of death increased by 4.435 times (OR = 5.435, 95% CI = 1.205-24.510, p = 0.028) in patients with high HA levels. We found that patients with HA levels above 116 ng/mL had an increased risk of death. However, the incidence of long COVID was similar in the different HA level groups (p > 0.05). Conclusion Serum HA may serve as a novel biomarker for predicting COVID-19 mortality in patients with SARS-CoV-2 reinfection and first infection. However, HA levels may not be associated with long COVID.
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Affiliation(s)
- Yanyan Li
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
- National Center for Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Ming Han
- National Center for Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, China
- Beijing Key Laboratory of Emerging Infectious Diseases, Institute of Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, China
- Beijing Institute of Infectious Diseases, Beijing, China
| | - Xin Li
- Center of Integrative Medicine, Beijing Ditan Hospital, Capital Medical University, Beijing, China
- National Center for Infectious Diseases, Beijing Ditan Hospital, Capital Medical University, Beijing, China
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3
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Ma J, Li G, Wang H, Mo C. Comprehensive review of potential drugs with anti-pulmonary fibrosis properties. Biomed Pharmacother 2024; 173:116282. [PMID: 38401514 DOI: 10.1016/j.biopha.2024.116282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/02/2024] [Accepted: 02/17/2024] [Indexed: 02/26/2024] Open
Abstract
Pulmonary fibrosis is a chronic and progressive lung disease characterized by the accumulation of scar tissue in the lungs, which leads to impaired lung function and reduced quality of life. The prognosis for idiopathic pulmonary fibrosis (IPF), which is the most common form of pulmonary fibrosis, is generally poor. The median survival for patients with IPF is estimated to be around 3-5 years from the time of diagnosis. Currently, there are two approved drugs (Pirfenidone and Nintedanib) for the treatment of IPF. However, Pirfenidone and Nintedanib are not able to reverse or cure pulmonary fibrosis. There is a need for new pharmacological interventions that can slow or halt disease progression and cure pulmonary fibrosis. This review aims to provide an updated overview of current and future drug interventions for idiopathic pulmonary fibrosis, and to summarize possible targets of potential anti-pulmonary fibrosis drugs, providing theoretical support for further clinical combination therapy or the development of new drugs.
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Affiliation(s)
- Jie Ma
- Sichuan Provincial Key Laboratory for Human Disease Gene Study, Center for Medical Genetics, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China; The Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China
| | - Gang Li
- Department of Thoracic Surgery, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China
| | - Han Wang
- Department of Biochemistry, School of Medicine, Case Western Reserve University, Cleveland, OH, USA; Center for RNA Science and Therapeutics, School of Medicine, Cleveland, OH, USA
| | - Chunheng Mo
- The Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China.
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4
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Papakonstantinou E, Christopoulou ME, Karakioulaki M, Grize L, Tamm M, Stolz D. Ηeparan sulphate in infectious and non-infectious exacerbations of COPD. Respirology 2023. [PMID: 37311657 DOI: 10.1111/resp.14531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 05/24/2023] [Indexed: 06/15/2023]
Abstract
BACKGROUND AND OBJECTIVE Acute exacerbations of chronic obstructive pulmonary disease (AECOPD) are associated with worsening health outcomes and effective treatment of each episode is essential. In this study, we aimed to investigate if plasma levels of heparan sulphate (HS) are associated with the aetiology of AECOPD. METHODS COPD patients (N = 1189), GOLD grade II-IV, from a discovery cohort (N = 638) and from a validation cohort (N = 551), were included in the study. HS and heparanase (HSPE-1) were measured longitudinally in plasma at stable state, at AECOPD and at 4 weeks follow-up. RESULTS Plasma HS was higher in patients with COPD as compared with non-COPD controls and was significantly increased at AECOPD as compared to stable state (p < 0.001) in the discovery and in the validation cohorts. Four distinct exacerbation groups were classified based on aetiology (no-infection/bacterial-infection/viral-infection/bacterial and viral coinfection) in the validation cohort. The fold-increase of HS from stable state to AECOPD was associated with the aetiology of exacerbation and was higher in cases with bacterial and viral coinfections. HSPE-1 was also significantly increased at AECOPD, however, there was no association of HSPE-1 levels with the aetiology of these events. The probability of having an infection at AECOPD was raised as HS levels increased from stable state to AECOPD. This probability was higher for bacterial infections than viral infections. CONCLUSION The results of our study indicate that circulating levels of HS are increased at AECOPD and this increase may be associated with the aetiology of these events.
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Affiliation(s)
- Eleni Papakonstantinou
- Clinic of Respiratory Medicine and Pulmonary cell Research, University Hospital, Basel, Switzerland
- Department of Pneumology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Maria-Elpida Christopoulou
- Department of Pneumology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Meropi Karakioulaki
- Clinic of Respiratory Medicine and Pulmonary cell Research, University Hospital, Basel, Switzerland
| | - Leticia Grize
- Clinic of Respiratory Medicine and Pulmonary cell Research, University Hospital, Basel, Switzerland
| | - Michael Tamm
- Clinic of Respiratory Medicine and Pulmonary cell Research, University Hospital, Basel, Switzerland
| | - Daiana Stolz
- Clinic of Respiratory Medicine and Pulmonary cell Research, University Hospital, Basel, Switzerland
- Department of Pneumology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
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5
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Stolz D, Matera MG, Rogliani P, van den Berge M, Papakonstantinou E, Gosens R, Singh D, Hanania N, Cazzola M, Maitland-van der Zee AH, Fregonese L, Mathioudakis AG, Vestbo J, Rukhadze M, Page CP. Current and future developments in the pharmacology of asthma and COPD: ERS seminar, Naples 2022. Breathe (Sheff) 2023; 19:220267. [PMID: 37377851 PMCID: PMC10292790 DOI: 10.1183/20734735.0267-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 04/28/2023] [Indexed: 06/29/2023] Open
Abstract
Pharmacological management of airway obstructive diseases is a fast-evolving field. Several advances in unravelling disease mechanisms as well as intracellular and molecular pathways of drug action have been accomplished. While the clinical translation and implementation of in vitro results to the bedside remains challenging, advances in comprehending the mechanisms of respiratory medication are expected to assist clinicians and scientists in identifying meaningful read-outs and designing clinical studies. This European Respiratory Society Research Seminar, held in Naples, Italy, 5-6 May 2022, focused on current and future developments of the drugs used to treat asthma and COPD; on mechanisms of drug action, steroid resistance, comorbidities and drug interactions; on prognostic and therapeutic biomarkers; on developing novel drug targets based on tissue remodelling and regeneration; and on pharmacogenomics and emerging biosimilars. Related European Medicines Agency regulations are also discussed, as well as the seminar's position on the above aspects.
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Affiliation(s)
- Daiana Stolz
- Clinic of Pulmonary Medicine, Department of Internal Medicine, Medical Center University of Freiburg, Freiburg, Germany
- Clinic of Respiratory Medicine and Pulmonary Cell Research, University Hospital of Basel, Basel, Switzerland
| | - Maria Gabriella Matera
- Unit of Pharmacology, Department of Experimental Medicine, School of Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Paola Rogliani
- Unit of Respiratory Medicine, Department Experimental Medicine, University of Rome “Tor Vergata”, Rome, Italy
| | - Maarten van den Berge
- Groningen Research Institute for Asthma and COPD, and Department of Pulmonology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Eleni Papakonstantinou
- Clinic of Pulmonary Medicine, Department of Internal Medicine, Medical Center University of Freiburg, Freiburg, Germany
- Clinic of Respiratory Medicine and Pulmonary Cell Research, University Hospital of Basel, Basel, Switzerland
| | - Reinoud Gosens
- Groningen Research Institute for Asthma and COPD, and Department of Molecular Pharmacology, Groningen Research Institute of Pharmacy, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Dave Singh
- Medicines Evaluation Unit, Manchester University NHS Foundation Trust, University of Manchester, Manchester, UK
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, The University of Manchester and Manchester University NHS Foundation Trust, Manchester, UK
| | - Nicola Hanania
- Section of Pulmonary, Critical Care and Sleep Medicine, Baylor College of Medicine, Houston, TX, USA
| | - Mario Cazzola
- Unit of Respiratory Medicine, Department Experimental Medicine, University of Rome “Tor Vergata”, Rome, Italy
| | | | | | - Alexander G. Mathioudakis
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, The University of Manchester and Manchester University NHS Foundation Trust, Manchester, UK
| | - Jørgen Vestbo
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, The University of Manchester and Manchester University NHS Foundation Trust, Manchester, UK
| | - Maia Rukhadze
- Center of Allergy and Immunology, Teaching University Geomedi LLC, Tbilisi, Georgia
| | - Clive P. Page
- Sackler Institute of Pulmonary Pharmacology, Institute of Pharmaceutical Science, King's College London, London, UK
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Size matters: differential property of hyaluronan and its fragments in the skin- relation to pharmacokinetics, immune activity and wound healing. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2023. [DOI: 10.1007/s40005-023-00614-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
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7
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Niemietz I, Brown KL. Hyaluronan promotes intracellular ROS production and apoptosis in TNFα-stimulated neutrophils. Front Immunol 2023; 14:1032469. [PMID: 36814915 PMCID: PMC9939446 DOI: 10.3389/fimmu.2023.1032469] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 01/17/2023] [Indexed: 02/09/2023] Open
Abstract
Background Hyaluronan (HA) is an important structural component of the extracellular matrix and has well-described roles in maintaining tissue integrity and homeostasis. With inflammation, HA metabolism (synthesis and degradation) increases and results in higher concentrations of soluble HA. Previously, we demonstrated that (soluble) HA primed resting neutrophils for the oxidative burst in response to a secondary stimulus. Notably, HA-mediated priming was not dependent on degranulation, which is a hallmark of priming by classical agents such as TNFα. In this study, we queried the ability of HA to prime neutrophils to different stimuli and its capacity to modulate neutrophil function in the presence of TNFα. Methods Blood neutrophils from healthy donors were stimulated ex vivo with HA in the absence and presence of classic neutrophil agonists, inclusive of TNFα. Western blotting was used to assess the activation (phosphorylation) of p38 MAPK, and key neutrophil functions associated with priming and activation, such as intracellular and extracellular ROS production, degranulation, and apoptosis, were evaluated by standard chemiluminescence assays (ROS) and flow cytometry. Results Hyaluronan is capable of atypical priming and, with TNFα, co-priming neutrophils for an enhanced (rate and/or magnitude) oxidative burst to various secondary stimuli. In addition, HA can augment intracellular ROS production that is directly induced by TNFα in resting neutrophils, which coincided with the activation of p38 MAPK and apoptosis. Conclusions These data demonstrate that the extracellular matrix component HA is a key modulator of neutrophil function(s) in the presence of inflammatory agents such as TNFα. Moreover, it provides additional evidence for the diversity and complexity of neutrophil priming and activation during inflammation.
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Affiliation(s)
- Iwona Niemietz
- Department of Microbiology and Immunology, The University of British Columbia, Vancouver, BC, Canada.,BC Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Kelly L Brown
- BC Children's Hospital Research Institute, Vancouver, BC, Canada.,Department of Pediatrics, The University of British Columbia, Vancouver, BC, Canada
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8
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Kulkarni P, Rawtani D, Rajpurohit S, Vasvani S, Barot T. Self-assembly based aerosolized hyaluronic acid (HA) loaded niosomes for lung delivery: An in-vitro and in-vivo evaluation. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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9
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Caird R, Williamson M, Yusuf A, Gogoi D, Casey M, McElvaney NG, Reeves EP. Targeting of Glycosaminoglycans in Genetic and Inflammatory Airway Disease. Int J Mol Sci 2022; 23:ijms23126400. [PMID: 35742845 PMCID: PMC9224208 DOI: 10.3390/ijms23126400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/02/2022] [Accepted: 06/05/2022] [Indexed: 12/10/2022] Open
Abstract
In the lung, glycosaminoglycans (GAGs) are dispersed in the extracellular matrix (ECM) occupying the interstitial space between the capillary endothelium and the alveolar epithelium, in the sub-epithelial tissue and in airway secretions. In addition to playing key structural roles, GAGs contribute to a number of physiologic processes ranging from cell differentiation, cell adhesion and wound healing. Cytokine and chemokine–GAG interactions are also involved in presentation of inflammatory molecules to respective receptors leading to immune cell migration and airway infiltration. More recently, pathophysiological roles of GAGs have been described. This review aims to discuss the biological roles and molecular interactions of GAGs, and their impact in the pathology of chronic airway diseases, such as cystic fibrosis and chronic obstructive pulmonary disease. Moreover, the role of GAGs in respiratory disease has been heightened by the current COVID-19 pandemic. This review underlines the essential need for continued research aimed at exploring the contribution of GAGs in the development of inflammation, to provide a better understanding of their biological impact, as well as leads in the development of new therapeutic agents.
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10
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Meldrum OW, Belchamber KB, Chichirelo-Konstantynovych KD, Horton KL, Konstantynovych TV, Long MB, McDonnell MJ, Perea L, Garcia-Basteiro AL, Loebinger MR, Duarte R, Keir HR. ERS International Congress 2021: highlights from the Respiratory Infections Assembly. ERJ Open Res 2022; 8:00642-2021. [PMID: 35615420 PMCID: PMC9124871 DOI: 10.1183/23120541.00642-2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 01/12/2022] [Indexed: 12/15/2022] Open
Abstract
The European Respiratory Society International Congress 2021 took place virtually for the second year running due to the coronavirus pandemic. The Congress programme featured more than 400 sessions and 3000 abstract presentations, covering the entire field of respiratory science and medicine. In this article, early career members of the Respiratory Infections Assembly summarise a selection of sessions across a broad range of topics, including presentations on bronchiectasis, non-tuberculosis mycobacteria, tuberculosis, cystic fibrosis and COVID-19.
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Affiliation(s)
- Oliver W. Meldrum
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
| | | | | | - Katie L. Horton
- Primary Ciliary Dyskinesia Centre, NIHR Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust, Southampton, UK
- Academic Unit of Clinical and Experimental Medicine, University of Southampton Faculty of Medicine, Southampton, UK
| | | | - Merete B. Long
- Division of Molecular and Clinical Medicine, Medical School, University of Dundee, Dundee, UK
| | - Melissa J. McDonnell
- Galway University Hospitals and National University of Ireland (NUIG), Galway, Ireland
| | | | - Alberto L. Garcia-Basteiro
- ISGlobal, Hospital Clínic – Universitat de Barcelona, Barcelona, Spain
- Centro de Investigação em Saude de Manhiça, Maputo, Mozambique
| | - Michael R. Loebinger
- Host Defence Unit, Royal Brompton Hospital, London, UK
- National Heart and Lung Institute, Imperial College, London, UK
| | - Raquel Duarte
- Pulmonology Unit, Centro Hospitalar de Vila Nova de Gaia/Espinho EPE, Vila Nova de Gaia, Portugal
- Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
- Instituto de Saúde Pública da Universidade do Porto, Porto, Portugal
| | - Holly R. Keir
- Division of Molecular and Clinical Medicine, Medical School, University of Dundee, Dundee, UK
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11
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Matsuyama T, Yoshinaga SK, Shibue K, Mak TW. Comorbidity-associated glutamine deficiency is a predisposition to severe COVID-19. Cell Death Differ 2021; 28:3199-3213. [PMID: 34663907 PMCID: PMC8522258 DOI: 10.1038/s41418-021-00892-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/30/2021] [Accepted: 10/04/2021] [Indexed: 12/15/2022] Open
Abstract
SARS-CoV-2 vaccinations have greatly reduced COVID-19 cases, but we must continue to develop our understanding of the nature of the disease and its effects on human immunity. Previously, we suggested that a dysregulated STAT3 pathway following SARS-Co-2 infection ultimately leads to PAI-1 activation and cascades of pathologies. The major COVID-19-associated metabolic risks (old age, hypertension, cardiovascular diseases, diabetes, and obesity) share high PAI-1 levels and could predispose certain groups to severe COVID-19 complications. In this review article, we describe the common metabolic profile that is shared between all of these high-risk groups and COVID-19. This profile not only involves high levels of PAI-1 and STAT3 as previously described, but also includes low levels of glutamine and NAD+, coupled with overproduction of hyaluronan (HA). SARS-CoV-2 infection exacerbates this metabolic imbalance and predisposes these patients to the severe pathophysiologies of COVID-19, including the involvement of NETs (neutrophil extracellular traps) and HA overproduction in the lung. While hyperinflammation due to proinflammatory cytokine overproduction has been frequently documented, it is recently recognized that the immune response is markedly suppressed in some cases by the expansion and activity of MDSCs (myeloid-derived suppressor cells) and FoxP3+ Tregs (regulatory T cells). The metabolomics profiles of severe COVID-19 patients and patients with advanced cancer are similar, and in high-risk patients, SARS-CoV-2 infection leads to aberrant STAT3 activation, which promotes a cancer-like metabolism. We propose that glutamine deficiency and overproduced HA is the central metabolic characteristic of COVID-19 and its high-risk groups. We suggest the usage of glutamine supplementation and the repurposing of cancer drugs to prevent the development of severe COVID-19 pneumonia.
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Affiliation(s)
- Toshifumi Matsuyama
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, 1-12-4 Sakamoto, Nagasaki, 852-8523, Japan.
| | | | - Kimitaka Shibue
- Tazuke Kofukai Medical Research Institute, Kitano Hospital, Osaka, Japan
| | - Tak W Mak
- Princess Margaret Cancer Centre, University Health Network, 610 University Avenue, Toronto, ON, M5G 2M9, Canada
- Department of Medical Biophysics, University of Toronto, 101 College Street, Toronto, ON, M5G 1L7, Canada
- Department of Immunology, University of Toronto, 101 College Street, Toronto, ON, M5G 1L7, Canada
- Department of Pathology, University of Hong Kong, Hong Kong, Pok Fu Lam, 999077, Hong Kong
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12
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Waeijen-Smit K, Reynaert NL, Beijers RJHCG, Houben-Wilke S, Simons SO, Spruit MA, Franssen FME. Alterations in plasma hyaluronic acid in patients with clinically stable COPD versus (non)smoking controls. Sci Rep 2021; 11:15883. [PMID: 34354097 PMCID: PMC8342478 DOI: 10.1038/s41598-021-95030-6] [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] [Received: 04/08/2021] [Accepted: 07/20/2021] [Indexed: 12/02/2022] Open
Abstract
Hyaluronic acid (HA) is a key component of the extracellular matrix. HA and its metabolism are suggested to be altered in the lungs of patients with chronic obstructive pulmonary disease (COPD). The present study explored systemic HA, and its metabolic regulators, in patients with clinically stable COPD and smoking and non-smoking controls. Furthermore, associations of HA with acute exacerbations (AECOPD), airway-related hospitalizations, systemic inflammation and cardiovascular risk were studied. In total, 192 patients with moderate to very severe COPD [aged 62.3 y (± SD 7.0)], 84 smoking controls [aged 61.8 y (± 5.7)], and 107 non-smoking controls [aged 60.1 y (± 7.0)] were included. Plasma HA was reduced in patients with COPD compared to non-smoking controls (p = 0.033), but was comparable after adjusting for age and sex. Expression of HAS-3 did not differ between groups, but was substantially less detectable in more patients with COPD than (non)smoking controls (p < 0.001). Expression of HYAL-2 was enhanced in patients with COPD versus smoking (p = 0.019) and non-smoking (p < 0.001) controls, also in the age- and sex- adjusted model (p < 0.001). Plasma HA was not associated with AECOPD, airway-related hospitalizations in the previous year, or systemic inflammation in COPD. Arterial pulse wave velocity explained some of the variance (< 10%) in plasma HA (p = 0.006). Overall, these results indicate that expression of HYAL-2, but not plasma HA nor HAS-3, is enhanced in patients with COPD compared to (non)smoking controls. Furthermore, HA was not associated with clinical outcomes, yet, cardiovascular risk might play a role in its systemic regulation in stable COPD.
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Affiliation(s)
- Kiki Waeijen-Smit
- Department of Research and Education, Ciro, Horn, The Netherlands. .,Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands.
| | - Niki L Reynaert
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Rosanne J H C G Beijers
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | | | - Sami O Simons
- Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Martijn A Spruit
- Department of Research and Education, Ciro, Horn, The Netherlands.,Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Frits M E Franssen
- Department of Research and Education, Ciro, Horn, The Netherlands.,Department of Respiratory Medicine, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
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Skurikhin E, Madonov P, Pershina O, Ermakova N, Pakhomova A, Widera D, Pan E, Zhukova M, Sandrikina L, Artamonov A, Dygai A. Micellar Hyaluronidase and Spiperone as a Potential Treatment for Pulmonary Fibrosis. Int J Mol Sci 2021; 22:ijms22115599. [PMID: 34070506 PMCID: PMC8198946 DOI: 10.3390/ijms22115599] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/21/2021] [Accepted: 05/24/2021] [Indexed: 12/18/2022] Open
Abstract
Concentration of hyaluronic acid (HA) in the lungs increases in idiopathic pulmonary fibrosis (IPF). HA is involved in the organization of fibrin, fibronectin, and collagen. HA has been proposed to be a biomarker of fibrosis and a potential target for antifibrotic therapy. Hyaluronidase (HD) breaks down HA into fragments, but is a subject of rapid hydrolysis. A conjugate of poloxamer hyaluronidase (pHD) was prepared using protein immobilization with ionizing radiation. In a model of bleomycin-induced pulmonary fibrosis, pHD decreased the level of tissue IL-1β and TGF-β, prevented the infiltration of the lung parenchyma by CD16+ cells, and reduced perivascular and peribronchial inflammation. Simultaneously, a decrease in the concentrations of HA, hydroxyproline, collagen 1, total soluble collagen, and the area of connective tissue in the lungs was observed. The effects of pHD were significantly stronger compared to native HD which can be attributed to the higher stability of pHD. Additional spiperone administration increased the anti-inflammatory and antifibrotic effects of pHD and accelerated the regeneration of the damaged lung. The potentiating effects of spiperone can be explained by the disruption of the dopamine-induced mobilization and migration of fibroblast progenitor cells into the lungs and differentiation of lung mesenchymal stem cells (MSC) into cells of stromal lines. Thus, a combination of pHD and spiperone may represent a promising approach for the treatment of IPF and lung regeneration.
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Affiliation(s)
- Evgenii Skurikhin
- Tomsk National Research Medical Centre of the Russian Academy of Sciences, Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Lenin, 3, 634028 Tomsk, Russia; (O.P.); (N.E.); (A.P.); (E.P.); (M.Z.); (L.S.); (A.D.)
- Correspondence: ; Tel.: +7-3822-418-375
| | - Pavel Madonov
- Limited Liability Company «Scientific Future Management», 630559 Novosibirsk, Russia; (P.M.); (A.A.)
| | - Olga Pershina
- Tomsk National Research Medical Centre of the Russian Academy of Sciences, Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Lenin, 3, 634028 Tomsk, Russia; (O.P.); (N.E.); (A.P.); (E.P.); (M.Z.); (L.S.); (A.D.)
| | - Natalia Ermakova
- Tomsk National Research Medical Centre of the Russian Academy of Sciences, Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Lenin, 3, 634028 Tomsk, Russia; (O.P.); (N.E.); (A.P.); (E.P.); (M.Z.); (L.S.); (A.D.)
| | - Angelina Pakhomova
- Tomsk National Research Medical Centre of the Russian Academy of Sciences, Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Lenin, 3, 634028 Tomsk, Russia; (O.P.); (N.E.); (A.P.); (E.P.); (M.Z.); (L.S.); (A.D.)
| | - Darius Widera
- Stem Cell Biology and Regenerative Medicine Group, Whiteknights Campus, School of Pharmacy, University of Reading, Reading RG6 6AP, UK;
| | - Edgar Pan
- Tomsk National Research Medical Centre of the Russian Academy of Sciences, Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Lenin, 3, 634028 Tomsk, Russia; (O.P.); (N.E.); (A.P.); (E.P.); (M.Z.); (L.S.); (A.D.)
| | - Mariia Zhukova
- Tomsk National Research Medical Centre of the Russian Academy of Sciences, Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Lenin, 3, 634028 Tomsk, Russia; (O.P.); (N.E.); (A.P.); (E.P.); (M.Z.); (L.S.); (A.D.)
| | - Lubov Sandrikina
- Tomsk National Research Medical Centre of the Russian Academy of Sciences, Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Lenin, 3, 634028 Tomsk, Russia; (O.P.); (N.E.); (A.P.); (E.P.); (M.Z.); (L.S.); (A.D.)
| | - Andrey Artamonov
- Limited Liability Company «Scientific Future Management», 630559 Novosibirsk, Russia; (P.M.); (A.A.)
| | - Alexander Dygai
- Tomsk National Research Medical Centre of the Russian Academy of Sciences, Laboratory of Regenerative Pharmacology, Goldberg ED Research Institute of Pharmacology and Regenerative Medicine, Lenin, 3, 634028 Tomsk, Russia; (O.P.); (N.E.); (A.P.); (E.P.); (M.Z.); (L.S.); (A.D.)
- Institute of General Pathology and Pathophysiology, 125315 Moscow, Russia
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14
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Waeijen-Smit K, Houben-Wilke S, DiGiandomenico A, Gehrmann U, Franssen FME. Unmet needs in the management of exacerbations of chronic obstructive pulmonary disease. Intern Emerg Med 2021; 16:559-569. [PMID: 33616876 PMCID: PMC7897880 DOI: 10.1007/s11739-020-02612-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 12/17/2020] [Indexed: 12/11/2022]
Abstract
Exacerbations of chronic obstructive pulmonary disease (COPD) are episodes of acute worsening of respiratory symptoms that require additional therapy. These events play a pivotal role in the natural course of the disease and are associated with a progressive decline in lung function, reduced health status, a low physical activity level, tremendous health care costs, and increased mortality. Although most exacerbations have an infectious origin, the underlying mechanisms are heterogeneous and specific predictors of their occurrence in individual patients are currently unknown. Accurate prediction and early diagnosis of exacerbations is essential to develop novel targets for prevention and personalized treatments to reduce the impact of these events. Several potential biomarkers have previously been studied, these however lack specificity, accuracy and do not add value to the available clinical predictors. At present, microbial composition and host-microbiome interactions in the lung are increasingly recognized for their role in affecting the susceptibility to exacerbations, and may steer towards a novel direction in the management of COPD exacerbations. This narrative review describes the current challenges and unmet needs in the management of acute exacerbations of COPD. Exacerbation triggers, biological clusters, current treatment strategies, and their limitations, previously studied biomarkers and prediction tools, the lung microbiome and its role in COPD exacerbations as well as future directions are discussed.
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Affiliation(s)
- Kiki Waeijen-Smit
- Department of Research and Education, Ciro, Horn, NM, 6085, The Netherlands.
- NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht, The Netherlands.
- Department of Respiratory Medicine, Maastricht University Medical Centre (MUMC+), Maastricht, The Netherlands.
| | - Sarah Houben-Wilke
- Department of Research and Education, Ciro, Horn, NM, 6085, The Netherlands
| | - Antonio DiGiandomenico
- Discovery Microbiome, Microbial Sciences, Biopharmaceuticals R&D, AstraZeneca, Gaithersburg, USA
| | - Ulf Gehrmann
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory and Immunology (R&I), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Frits M E Franssen
- Department of Research and Education, Ciro, Horn, NM, 6085, The Netherlands
- NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht, The Netherlands
- Department of Respiratory Medicine, Maastricht University Medical Centre (MUMC+), Maastricht, The Netherlands
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15
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Galdi F, Pedone C, McGee CA, George M, Rice AB, Hussain SS, Vijaykumar K, Boitet ER, Tearney GJ, McGrath JA, Brown AR, Rowe SM, Incalzi RA, Garantziotis S. Inhaled high molecular weight hyaluronan ameliorates respiratory failure in acute COPD exacerbation: a pilot study. Respir Res 2021; 22:30. [PMID: 33517896 PMCID: PMC7847749 DOI: 10.1186/s12931-020-01610-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 12/27/2020] [Indexed: 12/31/2022] Open
Abstract
Background Acute exacerbations of chronic obstructive pulmonary disease (AECOPD) carry significant morbidity and mortality. AECOPD treatment remains limited. High molecular weight hyaluronan (HMW-HA) is a glycosaminoglycan sugar, which is a physiological constituent of the lung extracellular matrix and has notable anti-inflammatory and hydrating properties. Research question We hypothesized that inhaled HMW-HA will improve outcomes in AECOPD. Methods We conducted a single center, randomized, placebo-controlled, double-blind study to investigate the effect of inhaled HMW-HA in patients with severe AECOPD necessitating non-invasive positive-pressure ventilation (NIPPV). Primary endpoint was time until liberation from NIPPV. Results Out of 44 screened patients, 41 were included in the study (21 for placebo and 20 for HMW-HA). Patients treated with HMW-HA had significantly shorter duration of NIPPV. HMW-HA treated patients also had lower measured peak airway pressures on the ventilator and lower systemic inflammation markers after liberation from NIPPV. In vitro testing showed that HMW-HA significantly improved mucociliary transport in air–liquid interface cultures of primary bronchial cells from COPD patients and healthy primary cells exposed to cigarette smoke extract. Interpretation Inhaled HMW-HA shortens the duration of respiratory failure and need for non-invasive ventilation in patients with AECOPD. Beneficial effects of HMW-HA on mucociliary clearance and inflammation may account for some of the effects (NCT02674880, www.clinicaltrials.gov).
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Affiliation(s)
- Flavia Galdi
- Division of Geriatrics, Department of Medicine, Campus Bio-Medico University and Teaching Hospital, Rome, Italy
| | - Claudio Pedone
- Division of Geriatrics, Department of Medicine, Campus Bio-Medico University and Teaching Hospital, Rome, Italy
| | - Christopher A McGee
- Division of Intramural Research, National Institute of Environmental Health Sciences, 111 TW Alexander Dr, Research Triangle Park, NC, 27709, USA
| | - Margaret George
- Division of Intramural Research, National Institute of Environmental Health Sciences, 111 TW Alexander Dr, Research Triangle Park, NC, 27709, USA
| | - Annette B Rice
- Division of Intramural Research, National Institute of Environmental Health Sciences, 111 TW Alexander Dr, Research Triangle Park, NC, 27709, USA
| | - Shah S Hussain
- Department of Medicine and the Gregory Fleming James Cystic Fibrosis Research Center, University of Alabama in Birmingham Medical Center, Birmingham, USA
| | - Kadambari Vijaykumar
- Department of Medicine and the Gregory Fleming James Cystic Fibrosis Research Center, University of Alabama in Birmingham Medical Center, Birmingham, USA
| | - Evan R Boitet
- Department of Medicine and the Gregory Fleming James Cystic Fibrosis Research Center, University of Alabama in Birmingham Medical Center, Birmingham, USA
| | - Guillermo J Tearney
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, USA.,Department of Dermatology, Massachusetts General Hospital, Boston, USA.,Harvard Medical School, Boston, USA.,Harvard-MIT Division of Health Sciences and Technology, Cambridge, USA.,Department of Pathology, Massachusetts General Hospital, Boston, USA
| | | | | | - Steven M Rowe
- Department of Medicine and the Gregory Fleming James Cystic Fibrosis Research Center, University of Alabama in Birmingham Medical Center, Birmingham, USA.,Department of Pediatrics, UAB, Birmingham, USA.,Department of Cell development & Integrative Biology, UAB, Birmingham, USA
| | - Raffaele A Incalzi
- Division of Geriatrics, Department of Medicine, Campus Bio-Medico University and Teaching Hospital, Rome, Italy
| | - Stavros Garantziotis
- Division of Intramural Research, National Institute of Environmental Health Sciences, 111 TW Alexander Dr, Research Triangle Park, NC, 27709, USA.
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16
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Zhang Y, Tedrow J, Nouraie M, Li X, Chandra D, Bon J, Kass DJ, Fuhrman CR, Leader JK, Duncan SR, Kaminski N, Sciurba FC. Elevated plasma level of Pentraxin 3 is associated with emphysema and mortality in smokers. Thorax 2021; 76:335-342. [PMID: 33479043 DOI: 10.1136/thoraxjnl-2020-215356] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 10/20/2020] [Accepted: 11/03/2020] [Indexed: 10/22/2022]
Abstract
BACKGROUND Pentraxin 3 (PTX3) influences innate immunity and inflammation, host defence, the complement cascade and angiogenesis. PTX3 expression in lung and blood of subjects with tobacco exposure, and its potential relationship with disease pattern and clinical outcome are poorly understood. METHODS Using independent platforms and cohorts, we identified associations of PTX3 gene expression in lung tissue and plasma from current and former tobacco smokers (with and without chronic obstructive pulmonary disease, COPD) to disease phenotypes including quantitative CT determined emphysema, lung function, symptoms and survival. Two putative regulatory variants of the PTX3 gene were examined for association with COPD manifestations. The relationship between plasma PTX3 and hyaluronic acid levels was further examined. RESULTS PTX3 gene expression in lung tissue was directly correlated with emphysema severity (p<0.0001). Circulating levels of PTX3 were inversely correlated with FEV1 (p=0.006), and positively associated with emphysema severity (p=0.004) and mortality (p=0.008). Two PTX3 gene regulatory variants were associated with a lower risk for emphysema and expiratory airflow obstruction, and plasma levels of PTX3 and hyaluronic acid were related. CONCLUSIONS These data show strong and overlapping associations of lung and blood PTX3 levels, and PTX3 regulatory gene variants, with the severity of airflow obstruction, emphysema and mortality among smokers. These findings have potential implications regarding the pathogenesis of smoking-related lung diseases and warrant further exploration for the use of PTX3 as a predictive biomarker.
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Affiliation(s)
- Yingze Zhang
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - John Tedrow
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Pulmonary Medicine and Respiratory Care, St Mary's of Michigan, Kalamazoo, Michigan, USA
| | - Mehdi Nouraie
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Xiaoyun Li
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Divay Chandra
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jessica Bon
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Daniel J Kass
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Carl R Fuhrman
- Department of Radiology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Joseph K Leader
- Department of Radiology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Steven R Duncan
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, The University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Naftali Kaminski
- Section of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Frank C Sciurba
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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17
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Mathioudakis AG, Vanfleteren LEGW, Lahousse L, Higham A, Allinson JP, Gotera C, Visca D, Singh D, Spanevello A. Current developments and future directions in COPD. Eur Respir Rev 2020; 29:29/158/200289. [PMID: 33268439 PMCID: PMC9488623 DOI: 10.1183/16000617.0289-2020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Accepted: 10/27/2020] [Indexed: 11/28/2022] Open
Abstract
The European Respiratory Society journals publish respiratory research and policy documents of the highest quality, offering a platform for the exchange and promotion of scientific knowledge. In this article, focusing on COPD, the third leading cause of death globally, we summarise novel research highlights focusing on the disease's underlying mechanisms, epidemiology and management, with the aim to inform and inspire respiratory clinicians and researchers. Current developments and future directions in COPD: a critical summary of some of the most recent ground-breaking research studies and policy documents from @ERSpublicationshttps://bit.ly/3oW0xDM
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Affiliation(s)
- Alexander G Mathioudakis
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, The University of Manchester, Manchester, UK .,North West Lung Centre, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Lowie E G W Vanfleteren
- COPD Center, Institute of Medicine, Sahlgrenska University Hospital, University of Gothenburg, Gothenburg, Sweden
| | - Lies Lahousse
- Dept of Bioanalysis, Pharmaceutical Care Unit, Ghent University, Ghent, Belgium
| | - Andrew Higham
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, The University of Manchester, Manchester, UK.,North West Lung Centre, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - James P Allinson
- The Royal Brompton Hospital and The National Heart and Lung Institute, Imperial College London, London, UK
| | - Carolina Gotera
- Dept of Pneumology, IIS-Fundación Jiménez Díaz, ISCIII-CIBERES, Madrid, Spain
| | - Dina Visca
- Division of Pulmonary Rehabilitation, Istituti Clinici Scientifici Maugeri, IRCCS, Tradate, Italy.,Dept of Medicine and Surgery, Respiratory Diseases, University of Insubria, Varese-Como, Italy
| | - Dave Singh
- Division of Infection, Immunity and Respiratory Medicine, School of Biological Sciences, The University of Manchester, Manchester, UK.,North West Lung Centre, Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK.,Medicines Evaluation Unit, Manchester, UK
| | - Antonio Spanevello
- Division of Pulmonary Rehabilitation, Istituti Clinici Scientifici Maugeri, IRCCS, Tradate, Italy.,Dept of Medicine and Surgery, Respiratory Diseases, University of Insubria, Varese-Como, Italy
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18
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Karakioulaki M, Papakonstantinou E, Stolz D. Extracellular matrix remodelling in COPD. Eur Respir Rev 2020; 29:29/158/190124. [PMID: 33208482 DOI: 10.1183/16000617.0124-2019] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 05/16/2020] [Indexed: 12/30/2022] Open
Abstract
The extracellular matrix (ECM) of the lung plays several important roles in lung function, as it offers a low resistant pathway that allows the exchange of gases, provides compressive strength and elasticity that supports the fragile alveolar-capillary intersection, controls the binding of cells with growth factors and cell surface receptors and acts as a buffer against retention of water.COPD is a chronic inflammatory respiratory condition, characterised by various conditions that result in progressive airflow limitation. At any stage in the course of the disease, acute exacerbations of COPD may occur and lead to accelerated deterioration of pulmonary function. A key factor of COPD is airway remodelling, which refers to the serious alterations of the ECM affecting airway wall thickness, resistance and elasticity. Various studies have shown that serum biomarkers of ECM turnover are significantly associated with disease severity in patients with COPD and may serve as potential targets to control airway inflammation and remodelling in COPD. Unravelling the complete molecular composition of the ECM in the diseased lungs will help to identify novel biomarkers for disease progression and therapy.
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Affiliation(s)
- Meropi Karakioulaki
- Clinic of Pulmonary Medicine and Respiratory Cell Research, University Hospital, Basel, Switzerland
| | - Eleni Papakonstantinou
- Clinic of Pulmonary Medicine and Respiratory Cell Research, University Hospital, Basel, Switzerland.,Dept of Pharmacology, Faculty of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Daiana Stolz
- Clinic of Pulmonary Medicine and Respiratory Cell Research, University Hospital, Basel, Switzerland
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19
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Meszaros M, Kis A, Kunos L, Tarnoki AD, Tarnoki DL, Lazar Z, Bikov A. The role of hyaluronic acid and hyaluronidase-1 in obstructive sleep apnoea. Sci Rep 2020; 10:19484. [PMID: 33173090 PMCID: PMC7655850 DOI: 10.1038/s41598-020-74769-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 10/06/2020] [Indexed: 12/20/2022] Open
Abstract
Biological functions of hyaluronic acid (HA) depend on its molecular size. High-molecular weight HA (HMW-HA) is an important component of the endothelial wall and has anti-inflammatory and antioxidant properties. Under inflammation or hypoxia, HMW-HA is degraded by hyaluronidases, such as HYAL-1 resulting in pro-inflammatory low-molecular weight fragments. Obstructive sleep apnoea (OSA) is characterised by intermittent hypoxia and systemic inflammation. Our aim was to evaluate circulating HMW-HA and HYAL-1 in OSA. We recruited 68 patients with OSA and 40 control volunteers. After full-night sleep study blood samples were taken for HMW-HA and HYAL-1 measurements. HYAL-1 levels were significantly higher in patients with OSA compared to controls (0.59/0.31-0.88/ng/mL vs. 0.31/0.31-0.58/ng/mL; p = 0.005) after adjustment for gender, age, BMI and smoking. There was a trend for reduced HMW-HA concentrations in OSA (31.63/18.11-59.25/ng/mL vs. 46.83/25.41-89.95/ng/mL; p = 0.068). Significant correlation was detected between circulating HMW-HA and apnoea-hypopnoea-index (r = - 0.195, p = 0.043), HYAL-1 and apnoea-hypopnoea-index (r = 0.30, p < 0.01) as well as oxygen desaturation index (r = 0.26, p < 0.01). Our results suggest that chronic hypoxia is associated with increased plasma HYAL-1 concentration and accelerated HMW-HA degradation. Altered hyaluronan metabolism may be involved in the inflammatory cascade potentially leading to endothelial dysfunction in OSA.
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Affiliation(s)
- Martina Meszaros
- Department of Pulmonology, Semmelweis University, Budapest, 1083, Hungary.
| | - Adrian Kis
- Department of Pulmonology, Semmelweis University, Budapest, 1083, Hungary
| | - Laszlo Kunos
- Department of Pulmonology, Semmelweis University, Budapest, 1083, Hungary
| | | | | | - Zsofia Lazar
- Department of Pulmonology, Semmelweis University, Budapest, 1083, Hungary
| | - Andras Bikov
- Manchester University NHS Foundation Trust, Manchester, M13 9WL, UK
- Division of Infection, Immunity and Respiratory Medicine, University of Manchester, Manchester, M13 9NT, UK
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20
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Use of Hyaluronic Acid (HA) in Chronic Airway Diseases. Cells 2020; 9:cells9102210. [PMID: 33003557 PMCID: PMC7601363 DOI: 10.3390/cells9102210] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/20/2020] [Accepted: 09/29/2020] [Indexed: 12/16/2022] Open
Abstract
Hyaluronic acid (HA) is a key component of the extracellular matrix of the lungs. A unique attribute of HA is its water-retaining properties, so HA has a major role in the regulation of fluid balance in the lung interstitium. Hyaluronic acid has been widely used in the treatment of eyes, ears, joints and skin disorders, but in the last years, it has been also proposed in the treatment of certain lung diseases, including airway diseases, due to its anti-inflammatory and water-binding capacities. Hyaluronic acid aerosol decreases the severity of elastase-induced emphysema in murine models, prevents bronchoconstriction in asthmatics and improves some functional parameters in chronic obstructive pulmonary disease (COPD) patients. Due to the protection of HA against bronchoconstriction and its hydration properties, inhaled HA would increase the volume of airway surface liquid, resulting in mucus hydration, increased mucous transport and less mucous plugging of the airways. In addition, it has been seen in human studies that the treatment with nebulised HA improves the tolerability of nebulised hypertonic saline (even at 6% or 7% of concentration), which has been demonstrated to be an effective treatment in bronchial secretion management in patients with cystic fibrosis and bronchiectasis. Our objective is to review the role of HA treatment in the management of chronic airway diseases.
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21
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Niemietz I, Moraes AT, Sundqvist M, Brown KL. Hyaluronan primes the oxidative burst in human neutrophils. J Leukoc Biol 2020; 108:705-713. [PMID: 32421905 DOI: 10.1002/jlb.3ma0220-216rr] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 02/18/2020] [Accepted: 04/08/2020] [Indexed: 11/10/2022] Open
Abstract
Hyaluronan (HA) is a glycosaminoglycan that in its natural, high molecular mass (HMM) form, promotes tissue repair and homeostasis. With inflammation, HA metabolism and HMM HA fragmentation to low molecular mass (LMM) forms is greatly enhanced. Considerable evidence suggests that LMM HA may act as a damage-associated molecular pattern to initiate innate immune responses. However, the responsiveness of myeloid cells to LMM HA is controversial and largely unknown for neutrophils. Peripheral blood cells from healthy donors were incubated ex vivo with pharmaceutical grade HA of different molecular mass (HMM, LMM, and HA fragments <10 kDa). Key innate immune functions were assessed, namely production of cytokines and reactive oxygen species release (ROS), granule mobilization, and apoptosis. None of the tested sizes of HA altered cytokine production by PBMC and neutrophils. Also, HA had no effect on neutrophil granule mobilization and apoptosis. In contrast, HA primed neutrophils for rapid and robust release of ROS in response to a secondary stimulus (N-formyl-methionyl-leucyl phenylalanine). Priming occurred within 20 min of exposure to HA and was similar for all tested molecular mass. The observed effect was independent of granule mobilization and associated with the activation of intracellular signaling pathways involving Src family kinases, glycogen synthase kinase-3, and the proline-rich Akt substrate of 40 kDa. Our findings provide new evidence that HA, irrespective of molecular mass, is a specific priming agent of the neutrophil oxidative burst, which is a critical, early component of an innate immune response.
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Affiliation(s)
- Iwona Niemietz
- Department of Microbiology and Immunology, The University of British Columbia, Vancouver, British Columbia, Canada.,BC Children's Hospital Research Institute, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Abigail T Moraes
- BC Children's Hospital Research Institute, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Martina Sundqvist
- BC Children's Hospital Research Institute, The University of British Columbia, Vancouver, British Columbia, Canada.,Department of Pediatrics, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Kelly L Brown
- BC Children's Hospital Research Institute, The University of British Columbia, Vancouver, British Columbia, Canada.,Department of Pediatrics, The University of British Columbia, Vancouver, British Columbia, Canada.,Centre for Blood Research, The University of British Columbia, Vancouver, British Columbia, Canada
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22
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Herrada AA, Mejías C, Lazo-Amador R, Olate-Briones A, Lara D, Escobedo N. Development of New Serum Biomarkers for Early Lymphedema Detection. Lymphat Res Biol 2020; 18:136-145. [DOI: 10.1089/lrb.2019.0008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Andrés A. Herrada
- Lymphatic Vasculature and Inflammation Research Laboratory, Facultad de Ciencias de la Salud, Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Talca, Chile
| | - Camila Mejías
- Lymphatic Vasculature and Inflammation Research Laboratory, Facultad de Ciencias de la Salud, Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Talca, Chile
| | - Rodrigo Lazo-Amador
- Lymphatic Vasculature and Inflammation Research Laboratory, Facultad de Ciencias de la Salud, Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Talca, Chile
| | - Alexandra Olate-Briones
- Lymphatic Vasculature and Inflammation Research Laboratory, Facultad de Ciencias de la Salud, Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Talca, Chile
| | - Danitza Lara
- Lymphatic Vasculature and Inflammation Research Laboratory, Facultad de Ciencias de la Salud, Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Talca, Chile
| | - Noelia Escobedo
- Lymphatic Vasculature and Inflammation Research Laboratory, Facultad de Ciencias de la Salud, Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Talca, Chile
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23
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Enfermedad pulmonar obstructiva crónica y síndrome metabólico: viajar en mala compañía. Rev Clin Esp 2019; 219:492-493. [DOI: 10.1016/j.rce.2019.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 07/11/2019] [Indexed: 11/23/2022]
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López Andreu F, López Rodríguez C. Chronic obstructive pulmonary disease and metabolic syndrome: traveling with bad companies. Rev Clin Esp 2019. [DOI: 10.1016/j.rceng.2019.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ito JT, Lourenço JD, Righetti RF, Tibério IFLC, Prado CM, Lopes FDTQS. Extracellular Matrix Component Remodeling in Respiratory Diseases: What Has Been Found in Clinical and Experimental Studies? Cells 2019; 8:E342. [PMID: 30979017 PMCID: PMC6523091 DOI: 10.3390/cells8040342] [Citation(s) in RCA: 93] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 04/03/2019] [Accepted: 04/09/2019] [Indexed: 01/09/2023] Open
Abstract
Changes in extracellular matrix (ECM) components in the lungs are associated with the progression of respiratory diseases, such as asthma, chronic obstructive pulmonary disease (COPD), and acute respiratory distress syndrome (ARDS). Experimental and clinical studies have revealed that structural changes in ECM components occur under chronic inflammatory conditions, and these changes are associated with impaired lung function. In bronchial asthma, elastic and collagen fiber remodeling, mostly in the airway walls, is associated with an increase in mucus secretion, leading to airway hyperreactivity. In COPD, changes in collagen subtypes I and III and elastin, interfere with the mechanical properties of the lungs, and are believed to play a pivotal role in decreased lung elasticity, during emphysema progression. In ARDS, interstitial edema is often accompanied by excessive deposition of fibronectin and collagen subtypes I and III, which can lead to respiratory failure in the intensive care unit. This review uses experimental models and human studies to describe how inflammatory conditions and ECM remodeling contribute to the loss of lung function in these respiratory diseases.
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Affiliation(s)
- Juliana T Ito
- Department of Clinical Medicine, Laboratory of Experimental Therapeutics/LIM-20, School of Medicine of University of Sao Paulo, Sao Paulo 01246-903, Brazil.
| | - Juliana D Lourenço
- Department of Clinical Medicine, Laboratory of Experimental Therapeutics/LIM-20, School of Medicine of University of Sao Paulo, Sao Paulo 01246-903, Brazil.
| | - Renato F Righetti
- Department of Clinical Medicine, Laboratory of Experimental Therapeutics/LIM-20, School of Medicine of University of Sao Paulo, Sao Paulo 01246-903, Brazil.
- Rehabilitation service, Sírio-Libanês Hospital, Sao Paulo 01308-050, Brazil.
| | - Iolanda F L C Tibério
- Department of Clinical Medicine, Laboratory of Experimental Therapeutics/LIM-20, School of Medicine of University of Sao Paulo, Sao Paulo 01246-903, Brazil.
| | - Carla M Prado
- Department of Bioscience, Laboratory of Studies in Pulmonary Inflammation, Federal University of Sao Paulo, Santos 11015-020, Brazil.
| | - Fernanda D T Q S Lopes
- Department of Clinical Medicine, Laboratory of Experimental Therapeutics/LIM-20, School of Medicine of University of Sao Paulo, Sao Paulo 01246-903, Brazil.
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