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Xu J, Zeng Q, Li S, Su Q, Fan H. Inflammation mechanism and research progress of COPD. Front Immunol 2024; 15:1404615. [PMID: 39185405 PMCID: PMC11341368 DOI: 10.3389/fimmu.2024.1404615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Accepted: 07/29/2024] [Indexed: 08/27/2024] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a common respiratory disease characterized by irreversible progressive airflow limitation, often manifested by persistent cough, sputum production and other respiratory symptoms that pose a serious threat to human health and affect the quality of life of patients. The disease is associated with chronic inflammation, which is associated with the onset and progression of COPD, but anti-inflammatory therapy is not first-line treatment. Inflammation has multiple manifestations and phenotypes, and this heterogeneity reveals different patterns of inflammation, making treatment difficult. This paper aims to explore the direction of more effective anti-inflammatory treatment by analyzing the nature of inflammation and the molecular mechanism of disease occurrence and development in COPD patients, and to provide new ideas for the treatment of COPD patients.
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Affiliation(s)
- Jiao Xu
- General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, China
| | - Qingyue Zeng
- General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, China
| | - Shuangqing Li
- General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, China
| | - Qiaoli Su
- General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, China
| | - Hong Fan
- Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China
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2
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Newman M, Connery H, Kannan S, Gautam A, Hammamieh R, Chakraborty N, Boyd J. Fentanyl Overdose Causes Prolonged Cardiopulmonary Dysregulation in Male SKH1 Mice. Pharmaceuticals (Basel) 2024; 17:941. [PMID: 39065791 PMCID: PMC11279777 DOI: 10.3390/ph17070941] [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: 06/18/2024] [Revised: 07/11/2024] [Accepted: 07/12/2024] [Indexed: 07/28/2024] Open
Abstract
Fentanyl overdose is a survivable condition that commonly resolves without chronic overt changes in phenotype. While the acute physiological effects of fentanyl overdose, such as opioid-induced respiratory depression (OIRD) and Wooden Chest Syndrome, represent immediate risks of lethality, little is known about longer-term systemic or organ-level impacts for survivors. In this study, we investigated the effects of a single, bolus fentanyl overdose on components of the cardiopulmonary system up to one week post. SKH1 mice were administered subcutaneous fentanyl at the highest non-lethal dose (62 mg/kg), LD10 (110 mg/kg), or LD50 (135 mg/kg), before euthanasia at 40 min, 6 h, 24 h, or 7 d post-exposure. The cerebral cortex, heart, lungs, and plasma were assayed using an immune monitoring 48-plex panel. The results showed significantly dysregulated cytokine, chemokine, and growth factor concentrations compared to time-matched controls, principally in hearts, then lungs and plasma to a lesser extent, for the length of the study, with the cortex largely unaffected. Major significant analytes contributing to variance included eotaxin-1, IL-33, and betacellulin, which were generally downregulated across time. The results of this study suggest that cardiopulmonary toxicity may persist from a single fentanyl overdose and have wide implications for the endurance of the expanding population of survivors.
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Affiliation(s)
- Mackenzie Newman
- Department of Orthopaedic Surgery, Virginia Commonwealth University School of Medicine, Richmond, VA 23298, USA;
- Department of Physiology, Pharmacology and Toxicology, Robert C. Byrd Health Sciences Center, West Virginia University, Morgantown, WV 26506, USA
| | - Heather Connery
- Department of Physiology, Pharmacology and Toxicology, Robert C. Byrd Health Sciences Center, West Virginia University, Morgantown, WV 26506, USA
| | - Swapna Kannan
- Walter Reed Army Institute of Research, Silver Spring, MD 20907, USA
| | - Aarti Gautam
- Walter Reed Army Institute of Research, Silver Spring, MD 20907, USA
| | - Rasha Hammamieh
- Walter Reed Army Institute of Research, Silver Spring, MD 20907, USA
| | | | - Jonathan Boyd
- Department of Orthopaedic Surgery, Virginia Commonwealth University School of Medicine, Richmond, VA 23298, USA;
- Department of Physiology, Pharmacology and Toxicology, Robert C. Byrd Health Sciences Center, West Virginia University, Morgantown, WV 26506, USA
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3
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Guan T, Qin Y, Qu N, Pan Y. Causal Involvement of Immune Cells in Chronic Obstructive Pulmonary Disease: A Mendelian Randomization Study. Int J Chron Obstruct Pulmon Dis 2024; 19:1603-1611. [PMID: 39011122 PMCID: PMC11247341 DOI: 10.2147/copd.s460342] [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: 03/11/2024] [Accepted: 06/29/2024] [Indexed: 07/17/2024] Open
Abstract
Background The immune cells play a substantial role in the development and progression of chronic obstructive pulmonary disease (COPD). We aim to investigate the causal involvement of immune cells in COPD via a Mendelian randomization (MR) analysis. Methods Published genome-wide association studies (GWAS) statistics on immune cells were analyzed, with genetic variants identified as instrumental variables (IVs). Inverse-variance weighting (IVW), weighted median, and MR-Egger regression methods were employed, along with simple mode and weighted mode adopted in the two-sample MR analysis. Sensitivity analysis was conducted to examine the heterogeneity, horizontal pleiotropy, and stability of the causal relationship. Results IVW results suggested that CCR2 on CD62L+ plasmacytoid dendritic cells (DC), CCR2 on plasmacytoid DC, CD11b on CD66b++ myeloid cells, CD19 on CD20- CD38- CD24+ memory B cell subset, CD25 on transitional B cells, and CD25++CD8br %CD8br T cells were risk factors for the development of COPD. Besides, CD127 on effector memory-like cytotoxic T lymphocytes lacking expression of co-stimulatory molecule 28 (CD28-EM CTLs) and HLA DR+ NK ACs expressing human leukocyte antigen DR molecules while being natural killer cells (%NK ACs) were protective factors for COPD. Conclusion This study unveiled a causal relationship between immune cell phenotype and COPD. These findings offer new insights for the prevention and treatment of COPD using COPD-associated immune cells.
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Affiliation(s)
- Tiefa Guan
- First Clinical College, Liaoning University of Traditional Chinese Medicine, Shenyang, Liaoning Province, People's Republic of China
- Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Liaoning University of Traditional Chinese Medicine, Shenyang, Liaoning Province, People's Republic of China
| | - Yibing Qin
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Liaoning University of Traditional Chinese Medicine, Shenyang, Liaoning Province, People's Republic of China
| | - Nini Qu
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Liaoning University of Traditional Chinese Medicine, Shenyang, Liaoning Province, People's Republic of China
| | - Yushuo Pan
- First Clinical College, Liaoning University of Traditional Chinese Medicine, Shenyang, Liaoning Province, People's Republic of China
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Mengistu DT, Curtis JL, Freeman CM. A model of dysregulated crosstalk between dendritic, natural killer, and regulatory T cells in chronic obstructive pulmonary disease. Trends Immunol 2024; 45:428-441. [PMID: 38763820 PMCID: PMC11315412 DOI: 10.1016/j.it.2024.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/24/2024] [Accepted: 04/25/2024] [Indexed: 05/21/2024]
Abstract
Chronic obstructive pulmonary disease (COPD) is characterized by infiltration of the airways and lung parenchyma by inflammatory cells. Lung pathology results from the cumulative effect of complex and aberrant interactions between multiple cell types. However, three cell types, natural killer cells (NK), dendritic cells (DCs), and regulatory T cells (Tregs), are understudied and underappreciated. We propose that their mutual interactions significantly contribute to the development of COPD. Here, we highlight recent advances in NK, DC, and Treg biology with relevance to COPD, discuss their pairwise bidirectional interactions, and identify knowledge gaps that must be bridged to develop novel therapies. Understanding their interactions will be crucial for therapeutic use of autologous Treg, an approach proving effective in other diseases with immune components.
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Affiliation(s)
- Dawit T Mengistu
- Graduate Program in Immunology, University of Michigan, Ann Arbor, MI, USA
| | - Jeffrey L Curtis
- Graduate Program in Immunology, University of Michigan, Ann Arbor, MI, USA; Pulmonary & Critical Care Medicine Division, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, MI, USA; Pulmonary and Critical Care Medicine Section, VA Ann Arbor Healthcare System, Ann Arbor, MI, USA
| | - Christine M Freeman
- Graduate Program in Immunology, University of Michigan, Ann Arbor, MI, USA; Pulmonary & Critical Care Medicine Division, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, MI, USA; Research Service, VA Ann Arbor Healthcare System, Ann Arbor, MI, USA.
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5
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Rojas-Quintero J, Ochsner SA, New F, Divakar P, Yang CX, Wu TD, Robinson J, Chandrashekar DS, Banovich NE, Rosas IO, Sauler M, Kheradmand F, Gaggar A, Margaroli C, San Jose Estepar R, McKenna NJ, Polverino F. Spatial Transcriptomics Resolve an Emphysema-Specific Lymphoid Follicle B Cell Signature in Chronic Obstructive Pulmonary Disease. Am J Respir Crit Care Med 2024; 209:48-58. [PMID: 37934672 PMCID: PMC10870877 DOI: 10.1164/rccm.202303-0507le] [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: 03/15/2023] [Accepted: 10/15/2023] [Indexed: 11/09/2023] Open
Abstract
Rationale: Within chronic obstructive pulmonary disease (COPD), emphysema is characterized by a significant yet partially understood B cell immune component. Objectives: To characterize the transcriptomic signatures from lymphoid follicles (LFs) in ever-smokers without COPD and patients with COPD with varying degrees of emphysema. Methods: Lung sections from 40 patients with COPD and ever-smokers were used for LF proteomic and transcriptomic spatial profiling. Formalin- and O.C.T.-fixed lung samples obtained from biopsies or lung explants were assessed for LF presence. Emphysema measurements were obtained from clinical chest computed tomographic scans. High-confidence transcriptional target intersection analyses were conducted to resolve emphysema-induced transcriptional networks. Measurements and Main Results: Overall, 115 LFs from ever-smokers and Global Initiative for Chronic Obstructive Lung Disease (GOLD) 1-2 and GOLD 3-4 patients were analyzed. No LFs were found in never-smokers. Differential gene expression analysis revealed significantly increased expression of LF assembly and B cell marker genes in subjects with severe emphysema. High-confidence transcriptional analysis revealed activation of an abnormal B cell activity signature in LFs (q-value = 2.56E-111). LFs from patients with GOLD 1-2 COPD with emphysema showed significantly increased expression of genes associated with antigen presentation, inflammation, and B cell activation and proliferation. LFs from patients with GOLD 1-2 COPD without emphysema showed an antiinflammatory profile. The extent of centrilobular emphysema was significantly associated with genes involved in B cell maturation and antibody production. Protein-RNA network analysis showed that LFs in emphysema have a unique signature skewed toward chronic B cell activation. Conclusions: An off-targeted B cell activation within LFs is associated with autoimmune-mediated emphysema pathogenesis.
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Affiliation(s)
| | - Scott A. Ochsner
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas
| | - Felicia New
- Spatial Data Analysis Services, Nanostring Biotechnologies, Seattle, Washington
| | - Prajan Divakar
- Spatial Data Analysis Services, Nanostring Biotechnologies, Seattle, Washington
| | - Chen Xi Yang
- Center for Heart Lung Innovation, University of British Columbia, Vancouver, British Columbia, Canada
| | | | - Jerid Robinson
- Field Application Scientists, Nanostring Biotechnologies, Seattle, Washington
| | | | | | | | - Maor Sauler
- Pulmonary and Critical Care Medicine, Yale University, New Haven, Connecticut
| | - Farrah Kheradmand
- Pulmonary Division, Department of Medicine, and
- Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas
| | - Amit Gaggar
- Pulmonary and Critical Care Medicine, and
- Birmingham Veterans Affairs Medical Center, Birmingham, Alabama; and
| | - Camilla Margaroli
- Pathology – Division of Cellular and Molecular Pathology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Raul San Jose Estepar
- Applied Chest Imaging Laboratory, Department of Radiology, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | - Neil J. McKenna
- Spatial Data Analysis Services, Nanostring Biotechnologies, Seattle, Washington
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Nascimento M, Huot-Marchand S, Fanny M, Straube M, Le Bert M, Savigny F, Apetoh L, Van Snick J, Trovero F, Chamaillard M, Quesniaux VFJ, Ryffel B, Gosset P, Gombault A, Riteau N, Sokol H, Couillin I. NLRP6 controls pulmonary inflammation from cigarette smoke in a gut microbiota-dependent manner. Front Immunol 2023; 14:1224383. [PMID: 38146368 PMCID: PMC10749332 DOI: 10.3389/fimmu.2023.1224383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 11/20/2023] [Indexed: 12/27/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a major health issue primarily caused by cigarette smoke (CS) and characterized by breathlessness and repeated airway inflammation. NLRP6 is a cytosolic innate receptor controlling intestinal inflammation and orchestrating the colonic host-microbial interface. However, its roles in the lungs remain largely unexplored. Using CS exposure models, our data show that airway inflammation is strongly impaired in Nlrp6-deficient mice with drastically fewer recruited neutrophils, a key cell subset in inflammation and COPD. We found that NLRP6 expression in lung epithelial cells is important to control airway and lung tissue inflammation in an inflammasome-dependent manner. Since gut-derived metabolites regulate NLRP6 inflammasome activation in intestinal epithelial cells, we investigated the link between NLRP6, CS-driven lung inflammation, and gut microbiota composition. We report that acute CS exposure alters gut microbiota in both wild-type (WT) and Nlrp6-deficient mice and that antibiotic treatment decreases CS-induced lung inflammation. In addition, gut microbiota transfer from dysbiotic Nlrp6-deficient mice to WT mice decreased airway lung inflammation in WT mice, highlighting an NLRP6-dependent gut-to-lung axis controlling pulmonary inflammation.
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Affiliation(s)
- Mégane Nascimento
- University of Orleans and Centre National de Recherche scientifique (CNRS), Experimental and Molecular Immunology and Neurogenetics (INEM)-UMR7355, Orleans, France
| | - Sarah Huot-Marchand
- University of Orleans and Centre National de Recherche scientifique (CNRS), Experimental and Molecular Immunology and Neurogenetics (INEM)-UMR7355, Orleans, France
| | - Manoussa Fanny
- University of Orleans and Centre National de Recherche scientifique (CNRS), Experimental and Molecular Immunology and Neurogenetics (INEM)-UMR7355, Orleans, France
| | - Marjolène Straube
- Sorbonne Université, Institut National de la Recherche Médicale (INSERM), Centre de Recherche Saint-Antoine (CRSA), Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Saint Antoine, Service de Gastroenterologie, Paris, France
| | - Marc Le Bert
- University of Orleans and Centre National de Recherche scientifique (CNRS), Experimental and Molecular Immunology and Neurogenetics (INEM)-UMR7355, Orleans, France
| | - Florence Savigny
- University of Orleans and Centre National de Recherche scientifique (CNRS), Experimental and Molecular Immunology and Neurogenetics (INEM)-UMR7355, Orleans, France
| | | | | | | | - Mathias Chamaillard
- Univ. Lille, Institut National de la Recherche Médicale (INSERM), U1003 - Laboratoire de physiologie cellulaire (PHYCEL) - Physiologie Cellulaire, Lille, France
| | - Valérie F. J. Quesniaux
- University of Orleans and Centre National de Recherche scientifique (CNRS), Experimental and Molecular Immunology and Neurogenetics (INEM)-UMR7355, Orleans, France
| | - Bernhard Ryffel
- University of Orleans and Centre National de Recherche scientifique (CNRS), Experimental and Molecular Immunology and Neurogenetics (INEM)-UMR7355, Orleans, France
| | - Philippe Gosset
- Institut PASTEUR INSERM U1019, Centre National de Recherche (CNRS) Unité Mixte de Recherche (UMR) 8204, Lille, France
| | - Aurélie Gombault
- University of Orleans and Centre National de Recherche scientifique (CNRS), Experimental and Molecular Immunology and Neurogenetics (INEM)-UMR7355, Orleans, France
| | - Nicolas Riteau
- University of Orleans and Centre National de Recherche scientifique (CNRS), Experimental and Molecular Immunology and Neurogenetics (INEM)-UMR7355, Orleans, France
| | - Harry Sokol
- Sorbonne Université, Institut National de la Recherche Médicale (INSERM), Centre de Recherche Saint-Antoine (CRSA), Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital Saint Antoine, Service de Gastroenterologie, Paris, France
- Institut national de la recherche agronomique (INRA), UMR1319 Micalis, AgroParisTech, Jouy-en-Josas, France
- Paris Centre for Microbiome Medicine (PaCeMM) FHU, Paris, France
| | - Isabelle Couillin
- University of Orleans and Centre National de Recherche scientifique (CNRS), Experimental and Molecular Immunology and Neurogenetics (INEM)-UMR7355, Orleans, France
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7
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Summers B, Kim K, Lu TM, Houghton S, Trivedi A, Quintero JR, Cala-Garcia J, Pannellini T, Polverino F, Lis R, Reed HO. Lymphatic Dysfunction Models an Autoimmune Emphysema Phenotype of Chronic Obstructive Pulmonary Disease. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.10.31.564938. [PMID: 37961242 PMCID: PMC10635025 DOI: 10.1101/2023.10.31.564938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Chronic Obstructive Pulmonary Disease (COPD) is a heterogeneous disease that is characterized by many clinical phenotypes. One such phenotype of COPD is defined by emphysema, pathogenic lung tertiary lymphoid organs (TLOs), and autoantibody production. We have previously shown that lymphatic dysfunction can cause lung TLO formation and lung injury in mice. We now sought to uncover whether underlying lymphatic dysfunction may be a driver of lung injury in cigarette smoke (CS)-induced COPD. We found that lung TLOs in mice with lymphatic dysfunction produce autoantibodies and are associated with a lymphatic endothelial cell subtype that expresses antigen presentation genes. Mice with underlying lymphatic dysfunction develop increased emphysema after CS exposure, with increased size and activation of TLOs. CS further increased autoantibody production in mice with lymphatic dysfunction. B-cell blockade prevented TLO formation and decreased lung injury after CS in mice with lymphatic dysfunction. Using tissue from human COPD patients, we also found evidence of a lymphatic gene signature that was specific to patients with emphysema and prominent TLOs compared to COPD patients without emphysema. Taken together, these data suggest that lymphatic dysfunction may underlie lung injury in a subset of COPD patients with an autoimmune emphysema phenotype.
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8
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Kapellos TS, Conlon TM, Yildirim AÖ, Lehmann M. The impact of the immune system on lung injury and regeneration in COPD. Eur Respir J 2023; 62:2300589. [PMID: 37652569 DOI: 10.1183/13993003.00589-2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 08/17/2023] [Indexed: 09/02/2023]
Abstract
COPD is a devastating respiratory condition that manifests via persistent inflammation, emphysema development and small airway remodelling. Lung regeneration is defined as the ability of the lung to repair itself after injury by the proliferation and differentiation of progenitor cell populations, and becomes impaired in the COPD lung as a consequence of cell intrinsic epithelial stem cell defects and signals from the micro-environment. Although the loss of structural integrity and lung regenerative capacity are critical for disease progression, our understanding of the cellular players and molecular pathways that hamper regeneration in COPD remains limited. Intriguingly, despite being a key driver of COPD pathogenesis, the role of the immune system in regulating lung regenerative mechanisms is understudied. In this review, we summarise recent evidence on the contribution of immune cells to lung injury and regeneration. We focus on four main axes: 1) the mechanisms via which myeloid cells cause alveolar degradation; 2) the formation of tertiary lymphoid structures and the production of autoreactive antibodies; 3) the consequences of inefficient apoptotic cell removal; and 4) the effects of innate and adaptive immune cell signalling on alveolar epithelial proliferation and differentiation. We finally provide insight on how recent technological advances in omics technologies and human ex vivo lung models can delineate immune cell-epithelium cross-talk and expedite precision pro-regenerative approaches toward reprogramming the alveolar immune niche to treat COPD.
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Affiliation(s)
- Theodore S Kapellos
- Comprehensive Pneumology Center, Institute of Lung Health and Immunity, Helmholtz Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Thomas M Conlon
- Comprehensive Pneumology Center, Institute of Lung Health and Immunity, Helmholtz Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Ali Önder Yildirim
- Comprehensive Pneumology Center, Institute of Lung Health and Immunity, Helmholtz Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
- Institute of Experimental Pneumology, University Hospital, Ludwig Maximilians University of Munich, Munich, Germany
| | - Mareike Lehmann
- Comprehensive Pneumology Center, Institute of Lung Health and Immunity, Helmholtz Munich, Member of the German Center for Lung Research (DZL), Munich, Germany
- Institute for Lung Research, Philipps University of Marburg, Universities of Giessen and Marburg Lung Center, Member of the German Center for Lung Research (DZL), Marburg, Germany
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9
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Sun Y, Chen Y, Wang J, Yuan W, Xue R, Li C, Xia Q, Hu L, Wei Y, He M, Lai K. Intratracheally administered iron oxide nanoparticles induced murine lung inflammation depending on T cells and B cells. Food Chem Toxicol 2023; 175:113735. [PMID: 36935073 DOI: 10.1016/j.fct.2023.113735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 03/06/2023] [Accepted: 03/16/2023] [Indexed: 03/19/2023]
Abstract
Iron oxide nanoparticles (Fe2O3 NPs), produced in track traffic system and a wide range of industrial production, poses a great threat to human health. However, there is little research about the mechanism of Fe2O3 NPs toxicity on respiratory system. Rag1-/- mice which lack functional T and B cells were intratracheally challenged with Fe2O3 NPs, and interleukin (IL)-33 as an activator of group 2 innate lymphoid cells (ILC2s) to observe ILC2s changes. The lung inflammatory response to Fe2O3 NPs was alleviated in Rag1-/- mice compared with wild type (WT) mice. Infiltration of inflammatory cells and collagen deposition in tissue, leukocyte numbers (neutrophils, macrophages and lymphocytes), cytokine levels, such as IL-6, IL-13 and thymic stromal lymphopoietin (TSLP), and expression of Toll-like receptor (TLR)2, TLR4, and downstream myeloid differentiation factor (MyD)88, nuclear factor (NF)-κB and tumor necrosis factor (TNF)-α were decreased in lungs. Fe2O3 NPs markedly elevated ILC2s compared with the control, but ILC2s numbers were much lower compared with IL-33 in both WT and Rag1-/- mice. Furthermore, ILC2s amounts were strongly greater in Rag1-/- mice than WT mice. Our results suggested that Fe2O3 NPs induced sub-chronic pulmonary inflammation, which is majorly dependent on T cells and B cells rather than ILC2s.
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Affiliation(s)
- Yuan Sun
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Yuwei Chen
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Jiawei Wang
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Wenke Yuan
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Rou Xue
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Chao Li
- Division of Pneumoconiosis, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Qing Xia
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Longji Hu
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Yuan Wei
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China
| | - Miao He
- Liaoning Key Laboratory of Environmental Health Damage Research and Assessment, Department of Environmental Health, School of Public Health, China Medical University, Shenyang, Liaoning Province, 110122, China.
| | - Kefang Lai
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong Province, 510120, China.
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10
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Kayongo A, Robertson NM, Siddharthan T, Ntayi ML, Ndawula JC, Sande OJ, Bagaya BS, Kirenga B, Mayanja-Kizza H, Joloba ML, Forslund SK. Airway microbiome-immune crosstalk in chronic obstructive pulmonary disease. Front Immunol 2023; 13:1085551. [PMID: 36741369 PMCID: PMC9890194 DOI: 10.3389/fimmu.2022.1085551] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 12/28/2022] [Indexed: 01/19/2023] Open
Abstract
Chronic Obstructive Pulmonary Disease (COPD) has significantly contributed to global mortality, with three million deaths reported annually. This impact is expected to increase over the next 40 years, with approximately 5 million people predicted to succumb to COPD-related deaths annually. Immune mechanisms driving disease progression have not been fully elucidated. Airway microbiota have been implicated. However, it is still unclear how changes in the airway microbiome drive persistent immune activation and consequent lung damage. Mechanisms mediating microbiome-immune crosstalk in the airways remain unclear. In this review, we examine how dysbiosis mediates airway inflammation in COPD. We give a detailed account of how airway commensal bacteria interact with the mucosal innate and adaptive immune system to regulate immune responses in healthy or diseased airways. Immune-phenotyping airway microbiota could advance COPD immunotherapeutics and identify key open questions that future research must address to further such translation.
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Affiliation(s)
- Alex Kayongo
- Makerere University Lung Institute, Makerere University College of Health Sciences, Kampala, Uganda,Department of Medicine, College of Health Sciences, Makerere University, Kampala, Uganda,Department of Immunology and Molecular Biology, College of Health Sciences, Makerere University, Kampala, Uganda,Department of Medicine, Center for Emerging Pathogens, Rutgers, The State University of New Jersey, New Jersey Medical School, Newark, NJ, United States
| | | | - Trishul Siddharthan
- Division of Pulmonary Medicine, School of Medicine, University of Miami, Miami, FL, United States
| | - Moses Levi Ntayi
- Makerere University Lung Institute, Makerere University College of Health Sciences, Kampala, Uganda,Department of Medicine, College of Health Sciences, Makerere University, Kampala, Uganda,Department of Immunology and Molecular Biology, College of Health Sciences, Makerere University, Kampala, Uganda
| | - Josephine Caren Ndawula
- Makerere University Lung Institute, Makerere University College of Health Sciences, Kampala, Uganda
| | - Obondo J. Sande
- Department of Immunology and Molecular Biology, College of Health Sciences, Makerere University, Kampala, Uganda
| | - Bernard S. Bagaya
- Department of Immunology and Molecular Biology, College of Health Sciences, Makerere University, Kampala, Uganda
| | - Bruce Kirenga
- Makerere University Lung Institute, Makerere University College of Health Sciences, Kampala, Uganda
| | - Harriet Mayanja-Kizza
- Department of Medicine, College of Health Sciences, Makerere University, Kampala, Uganda
| | - Moses L. Joloba
- Department of Immunology and Molecular Biology, College of Health Sciences, Makerere University, Kampala, Uganda
| | - Sofia K. Forslund
- Experimental and Clinical Research Center, Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany,Experimental and Clinical Research Center, a cooperation of Charité - Universitatsmedizin Berlin and Max Delbrück Center for Molecular Medicine, Berlin, Germany,Charité-Universitatsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany,DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany,Structural and Computational Biology Unit, European Molecular Biology Laboratory, Heidelberg, Germany,*Correspondence: Sofia K. Forslund,
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11
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Jacobs M, Verschraegen S, Salhi B, Anckaert J, Mestdagh P, Brusselle GG, Bracke KR. IL-10 producing regulatory B cells are decreased in blood from smokers and COPD patients. Respir Res 2022; 23:287. [PMID: 36253785 PMCID: PMC9578234 DOI: 10.1186/s12931-022-02208-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 09/29/2022] [Indexed: 11/10/2022] Open
Abstract
Background Two opposing B cell subsets have been defined based on their cytokine profile: IL-6 producing effector B cells (B-effs) versus IL-10 producing regulatory B cells (B-regs) that respectively positively or negatively regulate immune responses. B-regs are decreased and/or impaired in many autoimmune diseases and inflammatory conditions. Since there is increasing evidence that links B cells and B cell-rich lymphoid follicles to the pathogenesis of COPD, the aim of this study was to investigate the presence and function of B-regs in COPD. Methods First, presence of IL-10 producing regulatory B cells in human lung tissue was determined by immunohistochemistry. Secondly, quantification of IL-10 + B-regs and IL-6 + B-effs in peripheral blood mononuclear cells (PBMCs) from healthy controls, smokers without airflow limitation, and COPD patients (GOLD stage I-IV) was performed by flow cytometry. Thirdly, we exposed blood-derived B cells from COPD patients in vitro to cigarette smoke extract (CSE) and quantified IL-10 + B-regs and IL-6 + B-effs. Furthermore, we aimed at restoring the perturbed IL10 production by blocking BAFF. Fourthly, we determined mRNA expression of transcription factors involved in IL-10 production in FACS sorted memory- and naive B cells upon exposure to medium or CSE. Results The presence of IL-10 producing regulatory B cells in parenchyma and lymphoid follicles in lungs was confirmed by immunohistochemistry. The percentage of IL-10 + B-regs was significantly decreased in blood-derived memory B cell subsets from smokers without airflow limitation and patients with COPD, compared to never smokers. Furthermore, the capacity of B cells to produce IL-10 was reduced upon in vitro exposure to CSE and this could not be restored by BAFF-blockade. Finally, upon CSE exposure, mRNA levels of the transcription factors IRF4 and HIF-1α, were decreased in memory B cells. Conclusion Decreased numbers and impaired function of B-regs in smokers and patients with COPD might contribute to the initiation and progression of the disease. Supplementary Information The online version contains supplementary material available at 10.1186/s12931-022-02208-1.
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Affiliation(s)
- Merel Jacobs
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, C. Heymanslaan 10, 9000, Ghent, Belgium
| | - Sven Verschraegen
- Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
| | - Bihiyga Salhi
- Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
| | - Jasper Anckaert
- Center for Medical Genetics, Department of Biomolecular Medicine, Ghent University, Ghent, Belgium.,OncoRNALab, Cancer Research Institute Ghent (CRIG), Ghent University, Ghent, Belgium
| | - Pieter Mestdagh
- Center for Medical Genetics, Department of Biomolecular Medicine, Ghent University, Ghent, Belgium.,OncoRNALab, Cancer Research Institute Ghent (CRIG), Ghent University, Ghent, Belgium
| | - Guy G Brusselle
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, C. Heymanslaan 10, 9000, Ghent, Belgium.,Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium.,Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.,Department of Respiratory Diseases, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Ken R Bracke
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, C. Heymanslaan 10, 9000, Ghent, Belgium.
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12
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Christenson SA, Smith BM, Bafadhel M, Putcha N. Chronic obstructive pulmonary disease. Lancet 2022; 399:2227-2242. [PMID: 35533707 DOI: 10.1016/s0140-6736(22)00470-6] [Citation(s) in RCA: 283] [Impact Index Per Article: 141.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 02/16/2022] [Accepted: 02/25/2022] [Indexed: 12/14/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is a major cause of morbidity, mortality, and health-care use worldwide. COPD is caused by exposure to inhaled noxious particles, notably tobacco smoke and pollutants. However, the broad range of factors that increase the risk of development and progression of COPD throughout the life course are increasingly being recognised. Innovations in omics and imaging techniques have provided greater insight into disease pathobiology, which might result in advances in COPD prevention, diagnosis, and treatment. Although few novel treatments have been approved for COPD in the past 5 years, advances have been made in targeting existing therapies to specific subpopulations using new biomarker-based strategies. Additionally, COVID-19 has undeniably affected individuals with COPD, who are not only at higher risk for severe disease manifestations than healthy individuals but also negatively affected by interruptions in health-care delivery and social isolation. This Seminar reviews COPD with an emphasis on recent advances in epidemiology, pathophysiology, imaging, diagnosis, and treatment.
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Affiliation(s)
- Stephanie A Christenson
- Division of Pulmonary, Critical Care, Allergy, and Sleep Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Benjamin M Smith
- Department of Medicine, Columbia University Medical Center, New York, NY, USA; Department of Medicine, McGill University Health Centre, Montreal, QC, Canada
| | - Mona Bafadhel
- School of Immunology and Microbial Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK; Department of Respiratory Medicine, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Nirupama Putcha
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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13
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Angiogenesis, Lymphangiogenesis, and Inflammation in Chronic Obstructive Pulmonary Disease (COPD): Few Certainties and Many Outstanding Questions. Cells 2022; 11:cells11101720. [PMID: 35626756 PMCID: PMC9139415 DOI: 10.3390/cells11101720] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 05/20/2022] [Accepted: 05/21/2022] [Indexed: 02/07/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is characterized by chronic inflammation, predominantly affecting the lung parenchyma and peripheral airways, that results in progressive and irreversible airflow obstruction. COPD development is promoted by persistent pulmonary inflammation in response to several stimuli (e.g., cigarette smoke, bacterial and viral infections, air pollution, etc.). Angiogenesis, the formation of new blood vessels, and lymphangiogenesis, the formation of new lymphatic vessels, are features of airway inflammation in COPD. There is compelling evidence that effector cells of inflammation (lung-resident macrophages and mast cells and infiltrating neutrophils, eosinophils, basophils, lymphocytes, etc.) are major sources of a vast array of angiogenic (e.g., vascular endothelial growth factor-A (VEGF-A), angiopoietins) and/or lymphangiogenic factors (VEGF-C, -D). Further, structural cells, including bronchial and alveolar epithelial cells, endothelial cells, fibroblasts/myofibroblasts, and airway smooth muscle cells, can contribute to inflammation and angiogenesis in COPD. Although there is evidence that alterations of angiogenesis and, to a lesser extent, lymphangiogenesis, are associated with COPD, there are still many unanswered questions.
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14
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Robinson EK, Worthington A, Poscablo D, Shapleigh B, Salih MM, Halasz H, Seninge L, Mosqueira B, Smaliy V, Forsberg EC, Carpenter S. lincRNA-Cox2 Functions to Regulate Inflammation in Alveolar Macrophages during Acute Lung Injury. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 208:1886-1900. [PMID: 35365562 PMCID: PMC9038212 DOI: 10.4049/jimmunol.2100743] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 02/05/2022] [Indexed: 12/15/2022]
Abstract
Our respiratory system is vital to protect us from the surrounding nonsterile environment; therefore, it is critical for a state of homeostasis to be maintained through a balance of inflammatory cues. Recent studies have shown that actively transcribed noncoding regions of the genome are emerging as key regulators of biological processes, including inflammation. lincRNA-Cox2 is one such example of an inflammatory inducible long intergenic noncoding RNA functioning to fine-tune immune gene expression. Using bulk and single-cell RNA sequencing, in addition to FACS, we find that lincRNA-Cox2 is most highly expressed in the lung and is most upregulated after LPS-induced lung injury (acute lung injury [ALI]) within alveolar macrophages, where it functions to regulate inflammation. We previously reported that lincRNA-Cox2 functions to regulate its neighboring protein Ptgs2 in cis, and in this study, we use genetic mouse models to confirm its role in regulating gene expression more broadly in trans during ALI. Il6, Ccl3, and Ccl5 are dysregulated in the lincRNA-Cox2-deficient mice and can be rescued to wild type levels by crossing the deficient mice with our newly generated lincRNA-Cox2 transgenic mice, confirming that this gene functions in trans. Many genes are specifically regulated by lincRNA-Cox2 within alveolar macrophages originating from the bone marrow because the phenotype can be reversed by transplantation of wild type bone marrow into the lincRNA-Cox2-deficient mice. In conclusion, we show that lincRNA-Cox2 is a trans-acting long noncoding RNA that functions to regulate immune responses and maintain homeostasis within the lung at baseline and on LPS-induced ALI.
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Affiliation(s)
- Elektra Kantzari Robinson
- Department of Molecular, Cell and Developmental Biology, University of California Santa Cruz, Santa Cruz, CA
| | - Atesh Worthington
- Department of Molecular, Cell and Developmental Biology, University of California Santa Cruz, Santa Cruz, CA;,Institute for the Biology of Stem Cells, University of California-Santa Cruz, Santa Cruz, CA; and
| | - Donna Poscablo
- Department of Molecular, Cell and Developmental Biology, University of California Santa Cruz, Santa Cruz, CA;,Institute for the Biology of Stem Cells, University of California-Santa Cruz, Santa Cruz, CA; and
| | - Barbara Shapleigh
- Department of Molecular, Cell and Developmental Biology, University of California Santa Cruz, Santa Cruz, CA
| | - Mays Mohammed Salih
- Department of Molecular, Cell and Developmental Biology, University of California Santa Cruz, Santa Cruz, CA
| | - Haley Halasz
- Department of Molecular, Cell and Developmental Biology, University of California Santa Cruz, Santa Cruz, CA
| | - Lucas Seninge
- Department of Biomolecular Engineering, University of California Santa Cruz, Santa Cruz, CA
| | - Benny Mosqueira
- Department of Molecular, Cell and Developmental Biology, University of California Santa Cruz, Santa Cruz, CA
| | - Valeriya Smaliy
- Department of Molecular, Cell and Developmental Biology, University of California Santa Cruz, Santa Cruz, CA
| | - E. Camilla Forsberg
- Institute for the Biology of Stem Cells, University of California-Santa Cruz, Santa Cruz, CA; and,Department of Biomolecular Engineering, University of California Santa Cruz, Santa Cruz, CA
| | - Susan Carpenter
- Department of Molecular, Cell and Developmental Biology, University of California Santa Cruz, Santa Cruz, CA
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15
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Zhang DW, Ye JJ, Sun Y, Ji S, Kang JY, Wei YY, Fei GH. CD19 and POU2AF1 are Potential Immune-Related Biomarkers Involved in the Emphysema of COPD: On Multiple Microarray Analysis. J Inflamm Res 2022; 15:2491-2507. [PMID: 35479834 PMCID: PMC9035466 DOI: 10.2147/jir.s355764] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 04/05/2022] [Indexed: 11/23/2022] Open
Abstract
Purpose Emphysema is the main cause of the progression of chronic obstructive pulmonary disease (COPD). This study aimed to identify the key genes involved in COPD-related emphysema. Patients and Methods GSE76925 was downloaded from Gene Expression Omnibus database. Protein–protein interaction networks of differentially expressed genes (DEGs) between control and COPD groups were constructed to identify hub genes using Cytoscape. Diagnostic performance of hub genes was evaluated using receiver operating characteristic analysis. Correlation analysis was performed to identify the key genes by analyzing the relationship between the hub genes and lung function and computed tomography (CT) indexes of emphysema. COPD patients were then divided into two groups based on the median expression of key genes and DEGs between these two groups were identified. Enrichment analysis of DEGs and correlation analysis between key genes and the infiltration of the immune cells were also analyzed. Finally, the role of key genes was evaluated in a lung tissues dataset (GSE47460) and a blood dataset (GSE76705). Additionally, the expression of key genes was validated by quantitative real-time polymerase chain reaction and immunohistochemistry. Results CD19 and POU2AF1 had diagnostic efficacy for COPD and were significantly correlated with lung function and CT indexes of emphysema. Enrichment and immune analyses revealed that CD19 and POU2AF1 were correlated with the B cells in COPD. These results were consistent in GSE47460. The expression of CD19 and POU2AF1 in blood was the opposite of that in lung tissues, and CD19 and POU2AF1 were both significantly upregulated in COPD lung tissues at both the mRNA and protein levels. Conclusion CD19 and POU2AF1 may serve as key regulators of emphysema and contribute to the progression of COPD by regulating the B-cell immunology. Targeting B cells may be a promising strategy for treating COPD.
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Affiliation(s)
- Da-Wei Zhang
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui Province, People’s Republic of China
- Key Laboratory of Respiratory Diseases Research and Medical Transformation of Anhui Province, Hefei, 230022, Anhui Province, People’s Republic of China
| | - Jing-Jing Ye
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui Province, People’s Republic of China
- Key Laboratory of Respiratory Diseases Research and Medical Transformation of Anhui Province, Hefei, 230022, Anhui Province, People’s Republic of China
| | - Ying Sun
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui Province, People’s Republic of China
- Key Laboratory of Respiratory Diseases Research and Medical Transformation of Anhui Province, Hefei, 230022, Anhui Province, People’s Republic of China
| | - Shuang Ji
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui Province, People’s Republic of China
- Key Laboratory of Respiratory Diseases Research and Medical Transformation of Anhui Province, Hefei, 230022, Anhui Province, People’s Republic of China
| | - Jia-Ying Kang
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui Province, People’s Republic of China
- Key Laboratory of Respiratory Diseases Research and Medical Transformation of Anhui Province, Hefei, 230022, Anhui Province, People’s Republic of China
| | - Yuan-Yuan Wei
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui Province, People’s Republic of China
- Key Laboratory of Respiratory Diseases Research and Medical Transformation of Anhui Province, Hefei, 230022, Anhui Province, People’s Republic of China
| | - Guang-He Fei
- Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui Province, People’s Republic of China
- Key Laboratory of Respiratory Diseases Research and Medical Transformation of Anhui Province, Hefei, 230022, Anhui Province, People’s Republic of China
- Correspondence: Guang-He Fei, Department of Respiratory and Critical Care Medicine, First Affiliated Hospital of Anhui Medical University, Hefei, 230022, Anhui Province, People’s Republic of China, Tel +86 551 6292 2013, Fax +86 551 6363 5578, Email
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16
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Rastogi T, Girerd N, Lamiral Z, Bresso E, Bozec E, Boivin JM, Rossignol P, Zannad F, Ferreira JP. Impact of smoking on cardiovascular risk and premature ageing: Findings from the STANISLAS cohort. Atherosclerosis 2022; 346:1-9. [DOI: 10.1016/j.atherosclerosis.2022.02.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 01/20/2022] [Accepted: 02/11/2022] [Indexed: 12/23/2022]
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17
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Lin S, Ma Z, Huang Y, Sun Y, Yi H. Chronic obstructive pulmonary disease is characterized by reduced levels and defective suppressive function of regulatory B cells in peripheral blood. Mol Immunol 2021; 141:87-93. [PMID: 34837778 DOI: 10.1016/j.molimm.2021.11.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 10/17/2021] [Accepted: 11/07/2021] [Indexed: 01/02/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) is characterized by a progressive, persistent immune response to cigarette smoke, and it has been suggested that immune dysregulation is involved in its pathogenesis. A subset of regulatory B cells (Bregs) with high levels of the surface markers CD24 and CD38 (CD24hiCD38hi) has previously been shown to exert an immunosuppressive function. This study investigated the levels and activity of CD24hiCD38hi Bregs in stable COPD (sCOPD). Testing the peripheral blood from 65 patients with sCOPD and 39 control subjects for CD24hiCD38hi Breg subsets by flow cytometry showed that the patients with sCOPD had significantly lower levels of CD24hiCD38hi Bregs and IL-10+ B cells. The patients with sCOPD had lower serum interleukin-10 levels than the controls. The patients with most severe sCOPD had the lowest levels of CD24hiCD38hi Bregs. Spearman correlation analysis showed that the levels of CD24hiCD38hi Bregs in the patients with sCOPD positively correlated with serum interleukin-10 concentrations but not with levels of C-reactive protein. Compared to healthy controls, functional studies showed that Breg cells from patients with sCOPD exhibit a decreased suppressive function. We conclude that sCOPD is characterized by the exhaustion of CD24hiCD38hi regulatory B cells compartment. Therefore, CD24hiCD38hi Bregs may contribute to the pathogenesis of sCOPD.
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Affiliation(s)
- Shan Lin
- Central Laboratory, The First Hospital of Jilin University, Changchun, Jilin, 130031, China; Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, Jilin, 130031, China.
| | - Zhanchuan Ma
- Central Laboratory, The First Hospital of Jilin University, Changchun, Jilin, 130031, China.
| | - Yuanping Huang
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, Jilin, 130031, China.
| | - Yu Sun
- Department of Respiratory Medicine, The First Hospital of Jilin University, Changchun, Jilin, 130031, China.
| | - Huanfa Yi
- Central Laboratory, The First Hospital of Jilin University, Changchun, Jilin, 130031, China.
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18
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Kim RY, Sunkara KP, Bracke KR, Jarnicki AG, Donovan C, Hsu AC, Ieni A, Beckett EL, Galvão I, Wijnant S, Ricciardolo FL, Di Stefano A, Haw TJ, Liu G, Ferguson AL, Palendira U, Wark PA, Conickx G, Mestdagh P, Brusselle GG, Caramori G, Foster PS, Horvat JC, Hansbro PM. A microRNA-21-mediated SATB1/S100A9/NF-κB axis promotes chronic obstructive pulmonary disease pathogenesis. Sci Transl Med 2021; 13:eaav7223. [PMID: 34818056 DOI: 10.1126/scitranslmed.aav7223] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Richard Y Kim
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Sydney, New South Wales 2007, Australia.,Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and University of Newcastle, Newcastle, New South Wales 2308, Australia
| | - Krishna P Sunkara
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and University of Newcastle, Newcastle, New South Wales 2308, Australia.,Graduate School of Health, Discipline of Pharmacy, University of Technology Sydney, Sydney, New South Wales 2007, Australia.,Intensive Care Unit, John Hunter Hospital, Newcastle, New South Wales 2308, Australia
| | - Ken R Bracke
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent 9000, Belgium
| | - Andrew G Jarnicki
- Department of Biochemistry and Pharmacology, University of Melbourne, Victoria 3010, Australia
| | - Chantal Donovan
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Sydney, New South Wales 2007, Australia.,Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and University of Newcastle, Newcastle, New South Wales 2308, Australia
| | - Alan C Hsu
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and University of Newcastle, Newcastle, New South Wales 2308, Australia
| | - Antonio Ieni
- Department of Human Pathology in Adult and Developmental Age "Gaetano Barresi", Section of Anatomic Pathology, University of Messina, Messina 98100, Italy
| | - Emma L Beckett
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and University of Newcastle, Newcastle, New South Wales 2308, Australia
| | - Izabela Galvão
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Sara Wijnant
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent 9000, Belgium
| | - Fabio Lm Ricciardolo
- Rare Lung Disease Unit, Department of Clinical and Biological Sciences, University of Torino, San Luigi Gonzaga University Hospital Orbassano, Torino 10043, Italy
| | - Antonino Di Stefano
- Istituti Clinici Scientifici Maugeri, IRCCS, SpA Società Benefit, Divisione di Pneumologia e Laboratorio di Citoimmunopatologia dell'Apparato Cardio Respiratorio, Veruno, Novara 28100, Italy
| | - Tatt Jhong Haw
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and University of Newcastle, Newcastle, New South Wales 2308, Australia
| | - Gang Liu
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Angela L Ferguson
- Charles Perkins Centre, University of Sydney, Sydney, New South Wales 2006, Australia.,Centenary Institute and University of Technology Sydney, Sydney, New South Wales 2006, Australia
| | - Umamainthan Palendira
- Charles Perkins Centre, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Peter A Wark
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and University of Newcastle, Newcastle, New South Wales 2308, Australia
| | - Griet Conickx
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent 9000, Belgium.,Ablynx N.V., a Sanofi company, Ghent 9052, Belgium
| | - Pieter Mestdagh
- Center for Medical Genetics and Cancer Research Institute Ghent (CRIG), Ghent University, Ghent 9000, Belgium
| | - Guy G Brusselle
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent 9000, Belgium
| | - Gaetano Caramori
- Pneumologia, Dipartimento di Scienze Biomediche, Odontoiatriche e delle Immagini Morfologiche e Funzionali (BIOMORF), Università di Messina, Messina 98100, Italy
| | - Paul S Foster
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and University of Newcastle, Newcastle, New South Wales 2308, Australia
| | - Jay C Horvat
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and University of Newcastle, Newcastle, New South Wales 2308, Australia
| | - Philip M Hansbro
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Sydney, New South Wales 2007, Australia.,Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute and University of Newcastle, Newcastle, New South Wales 2308, Australia
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19
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McQuiston A, Scott D, Nord D, Langerude L, Pelaez A, Machuca T, Mehta A, Chrisie JD, Angel P, Atkinson C. Pro-inflammatory IgG1 N-glycan signature correlates with primary graft dysfunction onset in COPD patients. Transpl Immunol 2021; 71:101491. [PMID: 34767945 DOI: 10.1016/j.trim.2021.101491] [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] [Received: 07/13/2021] [Revised: 11/05/2021] [Accepted: 11/06/2021] [Indexed: 11/25/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is the third leading cause of death worldwide. The pathogenesis of COPD is complex; however, recent studies suggest autoimmune changes, characterized by the presence of autoantibodies to elastin and collagen, may contribute to disease status. COPD patients make up approximately 30% of all lung transplants (LTx) annually, however, little is known regarding the relationship between COPD-related autoantibodies and LTx outcomes. We hypothesized that COPD patients that undergo LTx and develop primary graft dysfunction (PGD) have altered circulating autoantibody levels and phenotypic changes as compared those COPD-LTx recipients that do not develop PGD. We measured total immunoglobulin and circulating elastin and collagen autoantibody levels in a cohort of COPD lung transplant recipients pre- and post-LTx. No significant differences were seen in total, elastin, or collagen IgM, IgG, IgG1, IgG2, IgG3, and IgG4 antibodies between PGD+ and PGD- recipients. Antibody function can be greatly altered by glycosylation changes to the antibody Fc region and recent studies have reported altered IgG glycosylation profiles in COPD patients. We therefore utilized a novel mass spectrometry-based multiplexed N-glycoprotein imaging approach and measured changes in IgG-specific antibody N-glycan structures. COPD-LTx recipients who developed PGD had significantly increased IgG1 N-glycan signatures as compared PGD- recipients. In conclusion, we show that immunoglobulin and autoreactive antibody levels are not significantly different in COPD LTx recipients that develop PGD. However, using a novel IgG glycomic analysis we were able to demonstrate multiple significant increases in IgG1 specific N-glycan signatures that were predictive of PGD development. Taken together, these data represent a potential novel method for identifying COPD patients at risk for PGD development and may provide clues to mechanisms by which antibody N-glycan signatures could contribute to antibody-mediated PGD pathogenesis.
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Affiliation(s)
- Alexander McQuiston
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA; Division of Pulmonary, Critical Care and Sleep Medicine, University of Florida, Gainesville, FL, USA
| | - Danielle Scott
- Department of Surgery, University of Florida, Gainesville, FL, USA
| | - Dianna Nord
- Division of Pulmonary, Critical Care and Sleep Medicine, University of Florida, Gainesville, FL, USA
| | - Logan Langerude
- Division of Pulmonary, Critical Care and Sleep Medicine, University of Florida, Gainesville, FL, USA
| | - Andres Pelaez
- Division of Pulmonary, Critical Care and Sleep Medicine, University of Florida, Gainesville, FL, USA
| | - Tiago Machuca
- Department of Surgery, University of Florida, Gainesville, FL, USA
| | - Anand Mehta
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, Charleston, SC, USA
| | - Jason D Chrisie
- Department of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Peggi Angel
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, Charleston, SC, USA.
| | - Carl Atkinson
- Division of Pulmonary, Critical Care and Sleep Medicine, University of Florida, Gainesville, FL, USA.
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20
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Rodrigues SDO, da Cunha CMC, Soares GMV, Silva PL, Silva AR, Gonçalves-de-Albuquerque CF. Mechanisms, Pathophysiology and Currently Proposed Treatments of Chronic Obstructive Pulmonary Disease. Pharmaceuticals (Basel) 2021; 14:979. [PMID: 34681202 PMCID: PMC8539950 DOI: 10.3390/ph14100979] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 08/13/2021] [Accepted: 08/28/2021] [Indexed: 12/12/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is one of the leading global causes of morbidity and mortality. A hallmark of COPD is progressive airflow obstruction primarily caused by cigarette smoke (CS). CS exposure causes an imbalance favoring pro- over antioxidants (oxidative stress), leading to transcription factor activation and increased expression of inflammatory mediators and proteases. Different cell types, including macrophages, epithelial cells, neutrophils, and T lymphocytes, contribute to COPD pathophysiology. Alteration in cell functions results in the generation of an oxidative and inflammatory microenvironment, which contributes to disease progression. Current treatments include inhaled corticosteroids and bronchodilator therapy. However, these therapies do not effectively halt disease progression. Due to the complexity of its pathophysiology, and the risk of exacerbating symptoms with existing therapies, other specific and effective treatment options are required. Therapies directly or indirectly targeting the oxidative imbalance may be promising alternatives. This review briefly discusses COPD pathophysiology, and provides an update on the development and clinical testing of novel COPD treatments.
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Affiliation(s)
- Sarah de Oliveira Rodrigues
- Laboratório de Imunofarmacologia, Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro 21040-900, Brazil;
- Laboratório de Imunofarmacologia, Departamento de Bioquímica, Instituto Biomédico, Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro 20211-010, Brazil; (C.M.C.d.C.); (G.M.V.S.)
- Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Rio de Janeiro 24020-140, Brazil
| | - Carolina Medina Coeli da Cunha
- Laboratório de Imunofarmacologia, Departamento de Bioquímica, Instituto Biomédico, Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro 20211-010, Brazil; (C.M.C.d.C.); (G.M.V.S.)
| | - Giovanna Martins Valladão Soares
- Laboratório de Imunofarmacologia, Departamento de Bioquímica, Instituto Biomédico, Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro 20211-010, Brazil; (C.M.C.d.C.); (G.M.V.S.)
| | - Pedro Leme Silva
- Laboratório de Investigação Pulmonar, Carlos Chagas Filho, Instituto de Biofísica, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-902, Brazil;
| | - Adriana Ribeiro Silva
- Laboratório de Imunofarmacologia, Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro 21040-900, Brazil;
- Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Rio de Janeiro 24020-140, Brazil
- Programa de Pós-Graduação em Biologia Celular e Molecular, Instituto Oswaldo Cruz (FIOCRUZ), Rio de Janeiro 21040-900, Brazil
| | - Cassiano Felippe Gonçalves-de-Albuquerque
- Laboratório de Imunofarmacologia, Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro 21040-900, Brazil;
- Laboratório de Imunofarmacologia, Departamento de Bioquímica, Instituto Biomédico, Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro 20211-010, Brazil; (C.M.C.d.C.); (G.M.V.S.)
- Programa de Pós-Graduação em Ciências e Biotecnologia, Universidade Federal Fluminense, Rio de Janeiro 24020-140, Brazil
- Programa de Pós-Graduação em Biologia Molecular e Celular, Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro 20210-010, Brazil
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21
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Lu Z, Van Eeckhoutte HP, Liu G, Nair PM, Jones B, Gillis CM, Nalkurthi BC, Verhamme F, Buyle-Huybrecht T, Vandenabeele P, Berghe TV, Brusselle GG, Horvat JC, Murphy JM, Wark PA, Bracke KR, Fricker M, Hansbro PM. Necroptosis Signalling Promotes Inflammation, Airway Remodelling and Emphysema in COPD. Am J Respir Crit Care Med 2021; 204:667-681. [PMID: 34133911 DOI: 10.1164/rccm.202009-3442oc] [Citation(s) in RCA: 82] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
RATIONALE Necroptosis, mediated by RIPK3 and MLKL, is a form of regulated necrosis that can drive tissue inflammation and destruction, however its contribution to COPD pathogenesis is poorly understood. OBJECTIVES To determine the role of necroptosis in COPD. METHODS Levels of RIPK3, MLKL and activated phospho-MLKL were measured in lung tissues of COPD patients and non-COPD controls. Necroptosis-related mRNA and proteins and cell death were examined in the lungs and pulmonary macrophages of mice with cigarette smoke (CS)-induced experimental COPD. The responses of Ripk3- and Mlkl-deficient (-/-) mice to CS exposure were compared to wild-type mice. Combined inhibition of apoptosis (pan-caspase inhibitor qVD-OPh) and necroptosis (Mlkl-/- mice) was assessed. MEASUREMENTS AND MAIN RESULTS Protein levels of MLKL and pMLKL but not RIPK3 were increased in lung tissues of COPD patients compared to never smokers or smoker non-COPD controls. Necroptosis-related mRNA and protein levels were increased in lung tissue and macrophages in CS-exposed mice/experimental COPD. Ripk3 or Mlkl deletion prevented airway inflammation in response to acute CS-exposure. Ripk3 deficiency reduced airway inflammation and remodelling and development of emphysematous pathology following chronic CS-exposure. Mlkl deletion and qVD-OPh treatment reduced chronic CS-induced airway inflammation, but only Mlkl deletion prevented airway remodelling and emphysema. Ripk3 or Mlkl deletion and qVD-OPh treatment reduced CS-induced lung cell death. CONCLUSIONS Necroptosis is induced by CS exposure and increased in COPD patient lungs and experimental COPD. Inhibiting necroptosis attenuates CS-induced airway inflammation, airway remodelling and emphysema. Targeted inhibition of necroptosis is a potential therapeutic strategy in COPD.
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Affiliation(s)
- Zhe Lu
- The University of Newcastle Hunter Medical Research Institute, 454568, Priority Research Centre for Healthy Lungs, New Lambton, New South Wales, Australia
| | | | - Gang Liu
- The University of Newcastle Hunter Medical Research Institute, 454568, Priority Research Centre for Healthy Lungs, New Lambton, New South Wales, Australia.,University of Technology Sydney Faculty of Science, 170529, Centre for Inflammation, Centenary Institute, Sydney, New South Wales, Australia
| | - Prema M Nair
- University of Newcastle Hunter Medical Research Institute, 454568, Priority Research Centres for Healthy Lungs and GrowUpWell, New Lambton, New South Wales, Australia.,The University of Newcastle Faculty of Health and Medicine, 64834, School of Biomedical Sciences and Pharmacy, Callaghan, New South Wales, Australia
| | - Bernadette Jones
- The University of Newcastle, 5982, Centre for Asthma & Respiratory Disease, Callaghan, New South Wales, Australia
| | - Caitlin M Gillis
- University of Technology Sydney Faculty of Science, 170529, Centre for Inflammation, Centenary Institute, Sydney, New South Wales, Australia.,Ghent University, 26656, VIB Center for Inflammation Research, Department for Biomedical Molecular Biology, Gent, Belgium.,Ghent University, 26656, Methusalem program CEDAR-IC, Gent, Belgium
| | - B Christina Nalkurthi
- University of Technology Sydney Faculty of Science, 170529, Centre for Inflammation, Centenary Institute, Sydney, New South Wales, Australia
| | | | - Tamariche Buyle-Huybrecht
- University Hospital Ghent, 60200, Department of Respiratory Medicine, Laboratory for Translational Research in Obstructive Pulmonary Diseases, Gent, Belgium
| | - Peter Vandenabeele
- University Hospital Ghent, 60200, Department of Respiratory Medicine, Laboratory for Translational Research in Obstructive Pulmonary Diseases, Gent, Belgium
| | - Tom Vanden Berghe
- Ghent University, 26656, VIB Center for Inflammation Research, Department for Biomedical Molecular Biology, Gent, Belgium.,University of Antwerp, 26660, Department Biomedical Sciences, Antwerpen, Belgium
| | - Guy G Brusselle
- University Hospital Ghent, 60200, Respiratory Medicine, Gent, Belgium
| | - Jay C Horvat
- Hunter Medical Research Institute, Vaccines, Immunity, Viruses and Asthma Group, Newcastle, New South Wales, Australia
| | - James M Murphy
- Walter and Eliza Hall Institute of Medical Research, 5388, Department of Medical Biology University of Melbourne , Melbourne, Victoria, Australia
| | - Peter A Wark
- The University of Newcastle, 5982, Centre for Asthma & Respiratory Disease, Callaghan, New South Wales, Australia.,The University of Newcastle Hunter Medical Research Institute, 454568, Vaccines, Infection, Viruses & Asthma, New Lambton, New South Wales, Australia
| | - Ken R Bracke
- University Hospital Ghent, 60200, Respiratory Medicine, Gent, Belgium
| | - Michael Fricker
- The University of Newcastle Hunter Medical Research Institute, 454568, Priority Research Centres for Healthy Lungs & Grow Up Well, New Lambton, New South Wales, Australia
| | - Philip M Hansbro
- University of Technology Sydney, 1994, Sydney, New South Wales, Australia;
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22
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Blomme EE, Provoost S, De Smet EG, De Grove KC, Van Eeckhoutte HP, De Volder J, Hansbro PM, Bonato M, Saetta M, Wijnant SR, Verhamme F, Joos GF, Bracke KR, Brusselle GG, Maes T. Quantification and role of innate lymphoid cell subsets in Chronic Obstructive Pulmonary Disease. Clin Transl Immunology 2021; 10:e1287. [PMID: 34136217 PMCID: PMC8178740 DOI: 10.1002/cti2.1287] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 03/30/2021] [Accepted: 04/26/2021] [Indexed: 01/02/2023] Open
Abstract
Objectives Innate lymphoid cells (ILCs) secrete cytokines, such as IFN‐γ, IL‐13 and IL‐17, which are linked to chronic obstructive pulmonary disease (COPD). Here, we investigated the role of pulmonary ILCs in COPD pathogenesis. Methods Lung ILC subsets in COPD and control subjects were quantified using flow cytometry and associated with clinical parameters. Tissue localisation of ILC and T‐cell subsets was determined by immunohistochemistry. Mice were exposed to air or cigarette smoke (CS) for 1, 4 or 24 weeks to investigate whether pulmonary ILC numbers and activation are altered and whether they contribute to CS‐induced innate inflammatory responses. Results Quantification of lung ILC subsets demonstrated that ILC1 frequency in the total ILC population was elevated in COPD and was associated with smoking and severity of respiratory symptoms (COPD Assessment Test [CAT] score). All three ILC subsets localised near lymphoid aggregates in COPD. In the COPD mouse model, CS exposure in C57BL/6J mice increased ILC numbers at all time points, with relative increases in ILC1 in bronchoalveolar lavage (BAL) fluid. Importantly, CS exposure induced increases in neutrophils, monocytes and dendritic cells that remained elevated in Rag2/Il2rg‐deficient mice that lack adaptive immune cells and ILCs. However, CS‐induced CXCL1, IL‐6, TNF‐α and IFN‐γ levels were reduced by ILC deficiency. Conclusion The ILC1 subset is increased in COPD patients and correlates with smoking and severity of respiratory symptoms. ILCs also increase upon CS exposure in C57BL/6J mice. In the absence of adaptive immunity, ILCs contribute to CS‐induced pro‐inflammatory mediator release, but are redundant in CS‐induced innate inflammation.
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Affiliation(s)
- Evy E Blomme
- Department of Respiratory Medicine Laboratory for Translational Research in Obstructive Pulmonary Diseases Ghent University Hospital Ghent Belgium
| | - Sharen Provoost
- Department of Respiratory Medicine Laboratory for Translational Research in Obstructive Pulmonary Diseases Ghent University Hospital Ghent Belgium
| | - Elise G De Smet
- Department of Respiratory Medicine Laboratory for Translational Research in Obstructive Pulmonary Diseases Ghent University Hospital Ghent Belgium
| | - Katrien C De Grove
- Department of Respiratory Medicine Laboratory for Translational Research in Obstructive Pulmonary Diseases Ghent University Hospital Ghent Belgium
| | - Hannelore P Van Eeckhoutte
- Department of Respiratory Medicine Laboratory for Translational Research in Obstructive Pulmonary Diseases Ghent University Hospital Ghent Belgium
| | - Joyceline De Volder
- Department of Respiratory Medicine Laboratory for Translational Research in Obstructive Pulmonary Diseases Ghent University Hospital Ghent Belgium
| | - Philip M Hansbro
- Centre for Inflammation Centenary Institute Sydney NSW Australia.,Faculty of Science University of Technology Sydney Ultimo NSW Australia
| | - Matteo Bonato
- Faculty of Science University of Technology Sydney Ultimo NSW Australia
| | - Marina Saetta
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health University of Padova Padova Italy
| | - Sara Ra Wijnant
- Department of Respiratory Medicine Laboratory for Translational Research in Obstructive Pulmonary Diseases Ghent University Hospital Ghent Belgium.,Department of Epidemiology Erasmus Medical Center Rotterdam The Netherlands.,Department of Bioanalysis Faculty of Pharmaceutical Sciences Ghent University Ghent Belgium
| | - Fien Verhamme
- Department of Respiratory Medicine Laboratory for Translational Research in Obstructive Pulmonary Diseases Ghent University Hospital Ghent Belgium
| | - Guy F Joos
- Department of Respiratory Medicine Laboratory for Translational Research in Obstructive Pulmonary Diseases Ghent University Hospital Ghent Belgium
| | - Ken R Bracke
- Department of Respiratory Medicine Laboratory for Translational Research in Obstructive Pulmonary Diseases Ghent University Hospital Ghent Belgium
| | - Guy G Brusselle
- Department of Respiratory Medicine Laboratory for Translational Research in Obstructive Pulmonary Diseases Ghent University Hospital Ghent Belgium
| | - Tania Maes
- Department of Respiratory Medicine Laboratory for Translational Research in Obstructive Pulmonary Diseases Ghent University Hospital Ghent Belgium
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23
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Isho B, Florescu A, Wang AA, Gommerman JL. Fantastic IgA plasma cells and where to find them. Immunol Rev 2021; 303:119-137. [PMID: 34046908 DOI: 10.1111/imr.12980] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 05/04/2021] [Indexed: 12/12/2022]
Abstract
IgA is produced in large quantities at mucosal surfaces by IgA+ plasma cells (PC), protecting the host from pathogens, and restricting commensal access to the subepithelium. It is becoming increasingly appreciated that IgA+ PC are not constrained to mucosal barrier sites. Rather, IgA+ PC may leave these sites where they provide both host defense and immunoregulatory function. In this review, we will outline how IgA+ PC are generated within the mucosae and how they subsequently migrate to their "classical" effector site, the gut lamina propria. From there we provide examples of IgA+ PC displacement from the gut to other parts of the body, referencing examples during homeostasis and inflammation. Lastly, we will speculate on mechanisms of IgA+ PC displacement to other tissues. Our aim is to provide a new perspective on how IgA+ PC are truly fantastic beasts of the immune system and identify new places to find them.
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Affiliation(s)
- Baweleta Isho
- Department of Immunology, University of Toronto, Toronto, ON, Canada
| | | | - Angela A Wang
- Department of Immunology, University of Toronto, Toronto, ON, Canada
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24
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Wang Z, Song J, Wang H, Li J, Xiao Q, Yu Z, Wang Z, Liu J, Pan L, Yao Y, Chen C, Lu X, Liu C, Gao P, Liu Z. Stromal cells and B cells orchestrate ectopic lymphoid tissue formation in nasal polyps. Allergy 2021; 76:1416-1431. [PMID: 33022771 DOI: 10.1111/all.14612] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 09/06/2020] [Accepted: 09/23/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUND Although the importance of ectopic lymphoid tissues (eLTs) in the pathophysiology of nasal polyps (NPs) is increasingly appreciated, the mechanisms underlying their formation remain unclear. OBJECTIVE To study the role of interleukin (IL)-17A, C-X-C motif chemokine ligand 13 (CXCL13) and lymphotoxin (LT) in eLT formation in NPs. METHODS The expression levels of CXCL13 and LT and their receptors, in addition to the phenotypes of stromal cells in NPs, were studied by flow cytometry, immunostaining, and real-time reverse transcription-polymerase chain reaction (RT-PCR). Purified nasal stromal cells and B cells were cultured, and a murine model of nasal type 17 inflammation was established by intranasal curdlan challenge for the mechanistic study. RESULTS The excessive CXCL13 production in NPs correlated with enhanced IL-17A expression. Stromal cells, with CD31- Pdpn+ fibroblastic reticular cell (FRC) expansion, were the major source of CXCL13 in NPs without eLTs. IL-17A induced FRC expansion and CXCL13 production in nasal stromal cells. In contrast, B cells were the main source of CXCL13 and LTα1 β2 in NPs with eLTs. CXCL13 upregulated LTα1 β2 expression on B cells, which in turn promoted CXCL13 production in nasal B cells and stromal cells. LTα1 β2 induced expansion of FRCs and CD31+ Pdpn+ lymphoid endothelial cells, which were the predominant stromal cell types in NPs with eLTs. IL-17A knockout and CXCL13 and LTβR blockage diminished nasal eLT formation in the murine model. CONCLUSION We identified an important role of IL-17A-induced stromal cell remodeling in the initiation and crosstalk between B and stromal cells via CXCL13 and LTα1 β2 in the enlargement of eLTs in NPs.
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Affiliation(s)
- Zhe‐Zheng Wang
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Jia Song
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Hai Wang
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Jing‐Xian Li
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Qiao Xiao
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Ze Yu
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Zhi‐Chao Wang
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Jin‐Xin Liu
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Li Pan
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Yin Yao
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Cai‐Ling Chen
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Xiang Lu
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Chaohong Liu
- Department of Pathogen Biology School of Basic Medicine Huazhong University of Science and Technology Wuhan China
| | - Peisong Gao
- Division of Allergy and Clinical Immunology Johns Hopkins University School of Medicine Baltimore USA
| | - Zheng Liu
- Department of Otolaryngology‐Head and Neck Surgery Tongji Hospital Tongji Medical College Huazhong University of Science and Technology Wuhan China
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25
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Curtis JL. Wouldn't you like to know: are tertiary lymphoid structures necessary for lung defence? Eur Respir J 2021; 57:57/4/2004352. [PMID: 33858851 DOI: 10.1183/13993003.04352-2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 12/08/2020] [Indexed: 11/05/2022]
Affiliation(s)
- Jeffrey L Curtis
- Medical Service, VA Ann Arbor Healthcare System, Ann Arbor, MI, USA .,Graduate Program in Immunology, University of Michigan, Ann Arbor, MI, USA.,Dept of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
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26
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Regard L, Martin C, Teillaud JL, Lafoeste H, Vicaire H, Ladjemi MZ, Ollame-Omvane E, Sibéril S, Burgel PR. Effective control of Staphylococcus aureus lung infection despite tertiary lymphoid structure disorganisation. Eur Respir J 2021; 57:13993003.00768-2020. [PMID: 33093122 DOI: 10.1183/13993003.00768-2020] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 10/11/2020] [Indexed: 12/28/2022]
Abstract
BACKGROUND Tertiary lymphoid structures (TLS) are triggered by persistent bronchopulmonary infection with Staphylococcus aureus, but their roles remain elusive. The present study sought to examine the effects of B- and/or T-cell depletion on S. aureus infection and TLS development (lymphoid neogenesis) in mice. METHODS C57Bl/6 mice were pre-treated with 1) an anti-CD20 monoclonal antibody (mAb) (B-cell depletion) or 2) an anti-CD4 and/or an anti-CD8 mAb (T-cell depletion) or 3) a combination of anti-CD20, anti-CD4 and anti-CD8 mAbs (combined B- and T-cell depletion) or 4) isotype control mAbs. After lymphocyte depletion, mice were infected by intratracheal instillation of agarose beads containing S. aureus (106 CFU per mouse). 14 days later, bacterial load and lung inflammatory cell infiltration were assessed by cultures and immunohistochemistry, respectively. RESULTS 14 days after S. aureus-bead instillation, lung bacterial load was comparable between control and lymphocyte-depleted mice. While TLS were observed in the lungs of infected mice pre-treated with control mAbs, these structures were disorganised or abolished in the lungs of lymphocyte-depleted mice. The absence of CD20+ B-lymphocytes had no effect on CD3+ T-lymphocyte infiltration, whereas CD4+/CD8+ T-cell depletion markedly reduced CD20+ B-cell infiltration. Depletion of CD4+ or CD8+ T-cells separately had limited effect on B-cell infiltration, but led to the absence of germinal centres. CONCLUSION TLS disorganisation is not associated with loss of infection control in mice persistently infected with S. aureus.
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Affiliation(s)
- Lucile Regard
- Institut Cochin and Université de Paris, INSERM U1016, Paris, France.,Service de Pneumologie, Hôpital Cochin, AP-HP, Paris, France
| | - Clémence Martin
- Institut Cochin and Université de Paris, INSERM U1016, Paris, France.,Service de Pneumologie, Hôpital Cochin, AP-HP, Paris, France
| | - Jean-Luc Teillaud
- Laboratory "Immune Microenvironment and Immunotherapy", Centre d'Immunologie et des Maladies Infectieuses (CIMI), Paris, France.,INSERM UMRS 1135, Faculté de Médecine, Sorbonne Université, Paris, France
| | - Hélène Lafoeste
- Institut Cochin and Université de Paris, INSERM U1016, Paris, France.,Service de Pneumologie, Hôpital Cochin, AP-HP, Paris, France
| | - Hugues Vicaire
- Institut Cochin and Université de Paris, INSERM U1016, Paris, France.,Service de Pneumologie, Hôpital Cochin, AP-HP, Paris, France
| | | | - Emilie Ollame-Omvane
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France
| | - Sophie Sibéril
- Centre de Recherche des Cordeliers, INSERM, Sorbonne Université, Université de Paris, Paris, France.,These authors contributed equally to this work
| | - Pierre-Régis Burgel
- Institut Cochin and Université de Paris, INSERM U1016, Paris, France .,Service de Pneumologie, Hôpital Cochin, AP-HP, Paris, France.,These authors contributed equally to this work
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27
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Serré J, Tanjeko AT, Mathyssen C, Vanherwegen AS, Heigl T, Janssen R, Verbeken E, Maes K, Vanaudenaerde B, Janssens W, Gayan-Ramirez G. Enhanced lung inflammatory response in whole-body compared to nose-only cigarette smoke-exposed mice. Respir Res 2021; 22:86. [PMID: 33731130 PMCID: PMC7968299 DOI: 10.1186/s12931-021-01680-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 03/07/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is characterized by a progressive and abnormal inflammatory response in the lungs, mainly caused by cigarette smoking. Animal models exposed to cigarette smoke (CS) are used to mimic human COPD but the use of different CS protocols makes it difficult to compare the immunological and structural consequences of using a nose-only or whole-body CS exposure system. We hypothesized that when using a standardized CS exposure protocol based on particle density and CO (carbon monoxide) levels, the whole-body CS exposure system would generate a more severe inflammatory response than the nose-only system, due to possible sensitization by uptake of CS-components through the skin or via grooming. METHODS In this study focusing on early COPD, mice were exposed twice daily 5 days a week to CS either with a nose-only or whole-body exposure system for 14 weeks to assess lung function, remodeling and inflammation. RESULTS At sacrifice, serum cotinine levels were significantly higher in the whole-body (5.3 (2.3-6.9) ng/ml) compared to the nose-only ((2.0 (1.8-2.5) ng/ml) exposure system and controls (1.0 (0.9-1.0) ng/ml). Both CS exposure systems induced a similar degree of lung function impairment, while inflammation was more severe in whole body exposure system. Slightly more bronchial epithelial damage, mucus and airspace enlargement were observed with the nose-only exposure system. More lymphocytes were present in the bronchoalveolar lavage (BAL) and lymph nodes of the whole-body exposure system while enhanced IgA and IgG production was found in BAL and to a lesser extent in serum with the nose-only exposure system. CONCLUSION The current standardized CS-exposure protocol resulted in a higher internal load of serum cotinine in the whole-body exposure system, which was associated with more inflammation. However, both exposure systems resulted in a similar lung function impairment. Data also highlighted differences between the two models in terms of lung inflammation and remodelling, and potential sensitization to CS. Researchers should be aware of these differences when designing their future studies for an early intervention in COPD.
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Affiliation(s)
- Jef Serré
- Laboratory of Respiratory Diseases and Thoracic Surgery, Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Herestraat 49, O&NI bis, box 706, 3000, Leuven, Belgium
| | - Ajime Tom Tanjeko
- Laboratory of Respiratory Diseases and Thoracic Surgery, Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Herestraat 49, O&NI bis, box 706, 3000, Leuven, Belgium
| | - Carolien Mathyssen
- Laboratory of Respiratory Diseases and Thoracic Surgery, Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Herestraat 49, O&NI bis, box 706, 3000, Leuven, Belgium
| | - An-Sofie Vanherwegen
- Laboratory of Clinical and Experimental Endocrinology, Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Leuven, Belgium
| | - Tobias Heigl
- Laboratory of Respiratory Diseases and Thoracic Surgery, Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Herestraat 49, O&NI bis, box 706, 3000, Leuven, Belgium
| | - Rob Janssen
- Department of Pulmonary Medicine, Canisius-Wilhelmina Hospital, Nijmegen, The Netherlands
| | - Eric Verbeken
- Translational Cell & Tissue Research, Department of Imaging & Pathology, KU Leuven, Leuven, Belgium
| | - Karen Maes
- Laboratory of Respiratory Diseases and Thoracic Surgery, Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Herestraat 49, O&NI bis, box 706, 3000, Leuven, Belgium
| | - Bart Vanaudenaerde
- Laboratory of Respiratory Diseases and Thoracic Surgery, Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Herestraat 49, O&NI bis, box 706, 3000, Leuven, Belgium
| | - Wim Janssens
- Laboratory of Respiratory Diseases and Thoracic Surgery, Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Herestraat 49, O&NI bis, box 706, 3000, Leuven, Belgium
| | - Ghislaine Gayan-Ramirez
- Laboratory of Respiratory Diseases and Thoracic Surgery, Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Herestraat 49, O&NI bis, box 706, 3000, Leuven, Belgium.
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Two Siblings Homozygous for F508del-CFTR Have Varied Disease Phenotypes and Protein Biomarkers. Int J Mol Sci 2021; 22:ijms22052631. [PMID: 33807880 PMCID: PMC7961721 DOI: 10.3390/ijms22052631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 02/20/2021] [Accepted: 03/01/2021] [Indexed: 12/01/2022] Open
Abstract
Two siblings with CF are homozygous for F508del (referred to as Subject A and Subject B). Despite having the same CFTR genotype and similar environment, these two subjects exhibited different disease phenotypes. We analyzed their medical records and CF Foundation Registry data and measured inflammatory protein mediators in their sputum samples. Then, we examined the longitudinal relationships between inflammatory markers and disease severity for each subject and compared between them. Subject A presented a more severe disease than Subject B. During the study period, Subject A had two pulmonary exacerbations (PEs) whereas Subject B had one mild PE. The forced expiratory volume in 1 s (FEV1, % predicted) values for Subject A were between 34–45% whereas for Subject B varied between 48–90%. Inflammatory protein mediators associated with neutrophils, Th1, Th2, and Th17 responses were elevated in sputum of Subject A compared with Subject B, and also in samples collected prior to and during PEs for both subjects. Neutrophilic elastase (NE) seemed to be the most informative biomarkers. The infectious burden between these two subjects was different.
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Matson EM, Abyazi ML, Bell KA, Hayes KM, Maglione PJ. B Cell Dysregulation in Common Variable Immunodeficiency Interstitial Lung Disease. Front Immunol 2021; 11:622114. [PMID: 33613556 PMCID: PMC7892472 DOI: 10.3389/fimmu.2020.622114] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 12/23/2020] [Indexed: 12/16/2022] Open
Abstract
Common variable immunodeficiency (CVID) is the most frequently diagnosed primary antibody deficiency. About half of CVID patients develop chronic non-infectious complications thought to be due to intrinsic immune dysregulation, including autoimmunity, gastrointestinal disease, and interstitial lung disease (ILD). Multiple studies have found ILD to be a significant cause of morbidity and mortality in CVID. Yet, the precise mechanisms underlying this complication in CVID are poorly understood. CVID ILD is marked by profound pulmonary infiltration of both T and B cells as well as granulomatous inflammation in many cases. B cell depletive therapy, whether done as a monotherapy or in combination with another immunosuppressive agent, has become a standard of therapy for CVID ILD. However, CVID is a heterogeneous disorder, as is its lung pathology, and the precise patients that would benefit from B cell depletive therapy, when it should administered, and how long it should be repeated all remain gaps in our knowledge. Moreover, some have ILD recurrence after B cell depletive therapy and the relative importance of B cell biology remains incompletely defined. Developmental and functional abnormalities of B cell compartments observed in CVID ILD and related conditions suggest that imbalance of B cell signaling networks may promote lung disease. Included within these potential mechanisms of disease is B cell activating factor (BAFF), a cytokine that is upregulated by the interferon gamma (IFN-γ):STAT1 signaling axis to potently influence B cell activation and survival. B cell responses to BAFF are shaped by the divergent effects and expression patterns of its three receptors: BAFF receptor (BAFF-R), transmembrane activator and CAML interactor (TACI), and B cell maturation antigen (BCMA). Moreover, soluble forms of BAFF-R, TACI, and BCMA exist and may further influence the pathogenesis of ILD. Continued efforts to understand how dysregulated B cell biology promotes ILD development and progression will help close the gap in our understanding of how to best diagnose, define, and manage ILD in CVID.
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Affiliation(s)
- Erik M Matson
- Pulmonary Center, Section of Pulmonary, Allergy, Sleep & Critical Care Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, MA, United States
| | - Miranda L Abyazi
- Pulmonary Center, Section of Pulmonary, Allergy, Sleep & Critical Care Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, MA, United States
| | - Kayla A Bell
- Pulmonary Center, Section of Pulmonary, Allergy, Sleep & Critical Care Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, MA, United States
| | - Kevin M Hayes
- Pulmonary Center, Section of Pulmonary, Allergy, Sleep & Critical Care Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, MA, United States
| | - Paul J Maglione
- Pulmonary Center, Section of Pulmonary, Allergy, Sleep & Critical Care Medicine, Department of Medicine, Boston University School of Medicine, Boston Medical Center, Boston, MA, United States
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30
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Wang ZZ, Song J, Wang H, Li JX, Xiao Q, Yu Z, Liu JX, Liu Z. B Cell-Activating Factor Promotes B Cell Survival in Ectopic Lymphoid Tissues in Nasal Polyps. Front Immunol 2021; 11:625630. [PMID: 33552090 PMCID: PMC7854540 DOI: 10.3389/fimmu.2020.625630] [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: 11/03/2020] [Accepted: 12/01/2020] [Indexed: 11/13/2022] Open
Abstract
Ectopic lymphoid tissues (eLTs) characterized by B cell aggregation contribute to the local immunoglobulin production in nasal polyps (NPs). B cell-activating factor (BAFF) is vital for B cell survival, proliferation, and maturation. The purpose of this study is to investigate whether BAFF is involved in the B cell survival and eLT formation in NPs. The mRNA and protein levels of BAFF in NP tissues with and without eLTs were detected by PCR and ELISA assay, respectively. The cellular sources of BAFF and active caspase-3-positive B cells in NPs were studied by immunofluorescence staining. B cells purified from NP tissues were stimulated with BAFF and were analyzed by flow cytometry. Stromal cells purified from NP tissues were stimulated with lymphotoxin (LT) α1β2, and BAFF levels in culture supernatants were analyzed by ELISA. Compared with those in control tissues and NPs without eLTs, the BAFF levels were elevated in NPs with eLTs. Abundant BAFF-positive cells and few active caspase-3-positive apoptotic B cells were found in NPs with eLTs, in contrast to those in NPs without eLTs. There was a negative correlation between the numbers of BAFF-positive cells and frequencies of apoptotic B cells in total B cells in NP tissues. BAFF protected nasal polyp B cells from apoptosis in vitro. Stromal cells were an important cellular source of BAFF in NPs with eLTs. LTα1β2 induced BAFF production from nasal stromal cells in vitro. We propose that BAFF contribute to eLT formation in NPs by promoting B cell survival.
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Affiliation(s)
- Zhe-Zheng Wang
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jia Song
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hai Wang
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jing-Xian Li
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qiao Xiao
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ze Yu
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jin-Xin Liu
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zheng Liu
- Department of Otolaryngology-Head and Neck Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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31
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Wijnant SRA, Jacobs M, Van Eeckhoutte HP, Lapauw B, Joos GF, Bracke KR, Brusselle GG. Expression of ACE2, the SARS-CoV-2 Receptor, in Lung Tissue of Patients With Type 2 Diabetes. Diabetes 2020; 69:2691-2699. [PMID: 33024003 DOI: 10.2337/db20-0669] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 09/30/2020] [Indexed: 01/01/2023]
Abstract
Increased expression of pulmonary ACE2, the SARS-CoV-2 receptor, could contribute to increased infectivity of COVID-19 in patients with diabetes, but ACE2 expression has not been studied in lung tissue of subjects with diabetes. We therefore studied ACE2 mRNA and protein expression in lung tissue samples of subjects with and without diabetes that were collected between 2002 and 2020 from patients undergoing lobectomy for lung tumors. For RT-PCR analyses, samples from 15 subjects with diabetes were compared with 91 randomly chosen control samples. For immunohistochemical staining, samples from 26 subjects with diabetes were compared with 66 randomly chosen control samples. mRNA expression of ACE2 was measured by quantitative RT-PCR. Protein levels of ACE2 were visualized by immunohistochemistry on paraffin-embedded lung tissue samples and quantified in alveolar and bronchial epithelium. Pulmonary ACE2 mRNA expression was not different between subjects with or without diabetes. In contrast, protein levels of ACE2 were significantly increased in both alveolar tissue and bronchial epithelium of patients with diabetes compared with control subjects, independent of smoking, chronic obstructive pulmonary disease, BMI, renin-angiotensin-aldosterone system inhibitor use, and other potential confounders. To conclude, we show increased bronchial and alveolar ACE2 protein expression in patients with diabetes. Further research is needed to elucidate whether upregulation of ACE2 expression in airways and lungs has consequences on infectivity and clinical outcomes of COVID-19.
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Affiliation(s)
- Sara R A Wijnant
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Bioanalysis, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
- Department of Respiratory Diseases, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Merel Jacobs
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
| | - Hannelore P Van Eeckhoutte
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
| | - Bruno Lapauw
- Department of Endocrinology, Ghent University Hospital, Ghent, Belgium
| | - Guy F Joos
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
| | - Ken R Bracke
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
| | - Guy G Brusselle
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Respiratory Diseases, Erasmus Medical Center, Rotterdam, the Netherlands
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32
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Naessens T, Morias Y, Hamrud E, Gehrmann U, Budida R, Mattsson J, Baker T, Skogberg G, Israelsson E, Thörn K, Schuijs MJ, Angermann B, Melville F, Staples KJ, Cunoosamy DM, Lambrecht BN. Human Lung Conventional Dendritic Cells Orchestrate Lymphoid Neogenesis during Chronic Obstructive Pulmonary Disease. Am J Respir Crit Care Med 2020; 202:535-548. [PMID: 32255375 DOI: 10.1164/rccm.201906-1123oc] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Rationale: Emerging evidence supports a crucial role for tertiary lymphoid organs (TLOs) in chronic obstructive pulmonary disease (COPD) progression. However, mechanisms of immune cell activation leading to TLOs in COPD remain to be defined.Objectives: To examine the role of lung dendritic cells (DCs) in T follicular helper (Tfh)-cell induction, a T-cell subset critically implicated in lymphoid organ formation, in COPD.Methods: Myeloid cell heterogeneity and phenotype were studied in an unbiased manner via single-cell RNA sequencing on HLA-DR+ cells sorted from human lungs. We measured the in vitro capability of control and COPD lung DC subsets, sorted using a fluorescence-activated cell sorter, to polarize IL-21+CXCL13+ (IL-21-positive and C-X-C chemokine ligand type 13-positive) Tfh-like cells. In situ imaging analysis was performed on Global Initiative for Chronic Obstructive Lung Disease stage IV COPD lungs with TLOs.Measurements and Main Results: Single-cell RNA-sequencing analysis revealed a high degree of heterogeneity among human lung myeloid cells. Among these, conventional dendritic type 2 cells (cDC2s) showed increased induction of IL-21+CXCL13+ Tfh-like cells. Importantly, the capacity to induce IL-21+ Tfh-like cells was higher in cDC2s from patients with COPD than in those from control patients. Increased Tfh-cell induction by COPD cDC2s correlated with increased presence of Tfh-like cells in COPD lungs as compared with those in control lungs, and cDC2s colocalized with Tfh-like cells in TLOs of COPD lungs. Mechanistically, cDC2s exhibited a unique migratory signature and (transcriptional) expression of several pathways and genes related to DC-induced Tfh-cell priming. Importantly, blocking the costimulatory OX40L (OX40 ligand)-OX40 axis reduced Tfh-cell induction by control lung cDC2s.Conclusions: In COPD lungs, we found lung EBI2+ (Epstein-Barr virus-induced gene 2-positive) OX-40L-expressing cDC2s that induced IL-21+ Tfh-like cells, suggesting an involvement of these cells in TLO formation.
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Affiliation(s)
- Thomas Naessens
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory, Inflammation, Autoimmunity
| | - Yannick Morias
- Bioscience Cardiovascular, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), and
| | - Eva Hamrud
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory, Inflammation, Autoimmunity
| | - Ulf Gehrmann
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory, Inflammation, Autoimmunity
| | - Ramachandramouli Budida
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory, Inflammation, Autoimmunity
| | - Johan Mattsson
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory, Inflammation, Autoimmunity
| | - Tina Baker
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory, Inflammation, Autoimmunity, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom
| | - Gabriel Skogberg
- Bioscience COPD/IPF, Research and Early Development, Respiratory, Inflammation, Autoimmunity, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Elisabeth Israelsson
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory, Inflammation, Autoimmunity
| | - Kristofer Thörn
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory, Inflammation, Autoimmunity
| | - Martijn J Schuijs
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, United Kingdom
| | - Bastian Angermann
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory, Inflammation, Autoimmunity
| | - Faye Melville
- Faculty of Medicine, Clinical and Experimental Sciences, University of Southampton, Southampton, United Kingdom
| | - Karl J Staples
- Faculty of Medicine, Clinical and Experimental Sciences, University of Southampton, Southampton, United Kingdom
| | - Danen M Cunoosamy
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory, Inflammation, Autoimmunity
| | - Bart N Lambrecht
- Laboratory of Immunoregulation, VIB-UGhent Center for Inflammation Research, Ghent, Belgium.,Department of Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium; and.,Department of Pulmonary Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands
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33
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Jacobs M, Van Eeckhoutte HP, Wijnant SRA, Janssens W, Joos GF, Brusselle GG, Bracke KR. Increased expression of ACE2, the SARS-CoV-2 entry receptor, in alveolar and bronchial epithelium of smokers and COPD subjects. Eur Respir J 2020; 56:13993003.02378-2020. [PMID: 32675207 PMCID: PMC7366177 DOI: 10.1183/13993003.02378-2020] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 06/19/2020] [Indexed: 01/28/2023]
Affiliation(s)
- Merel Jacobs
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Dept of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
| | - Hannelore P Van Eeckhoutte
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Dept of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
| | - Sara R A Wijnant
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Dept of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium.,Dept of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.,Dept of Bioanalysis, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
| | - Wim Janssens
- Respiratory Division and Rehabilitation, University Hospital Leuven, Leuven, Belgium
| | - Guy F Joos
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Dept of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
| | - Guy G Brusselle
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Dept of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium.,Dept of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands.,Dept of Respiratory Diseases, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Ken R Bracke
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Dept of Respiratory Medicine, Ghent University Hospital, Ghent, Belgium
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34
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Freeman CM, Curtis JL. It's Complicated: Lung Dendritic Cells in Chronic Obstructive Pulmonary Disease. Am J Respir Crit Care Med 2020; 202:479-481. [PMID: 32286855 PMCID: PMC7427380 DOI: 10.1164/rccm.202004-0899ed] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Christine M Freeman
- Research ServiceVeterans Affairs Ann Arbor Healthcare SystemAnn Arbor, Michigan
- Department of Internal MedicineMichigan MedicineAnn Arbor, Michigan
- Graduate Program in ImmunologyUniversity of MichiganAnn Arbor, Michiganand
| | - Jeffrey L Curtis
- Department of Internal MedicineMichigan MedicineAnn Arbor, Michigan
- Graduate Program in ImmunologyUniversity of MichiganAnn Arbor, Michiganand
- Medical ServiceVA Ann Arbor Healthcare SystemAnn Arbor, Michigan
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35
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Nascimento M, Huot-Marchand S, Gombault A, Panek C, Bourinet M, Fanny M, Savigny F, Schneider P, Le Bert M, Ryffel B, Riteau N, Quesniaux VFJ, Couillin I. B-Cell Activating Factor Secreted by Neutrophils Is a Critical Player in Lung Inflammation to Cigarette Smoke Exposure. Front Immunol 2020; 11:1622. [PMID: 32849550 PMCID: PMC7405926 DOI: 10.3389/fimmu.2020.01622] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 06/17/2020] [Indexed: 12/18/2022] Open
Abstract
Cigarette smoke (CS) is the major cause of chronic lung injuries, such as chronic obstructive pulmonary disease (COPD). In patients with severe COPD, tertiary lymphoid follicles containing B lymphocytes and B cell-activating factor (BAFF) overexpression are associated with disease severity. In addition, BAFF promotes adaptive immunity in smokers and mice chronically exposed to CS. However, the role of BAFF in the early phase of innate immunity has never been investigated. We acutely exposed C57BL/6J mice to CS and show early BAFF expression in the bronchoalveolar space and lung tissue that correlates to airway neutrophil and macrophage influx. Immunostaining analysis revealed that neutrophils are the major source of BAFF. We confirmed in vitro that neutrophils secrete BAFF in response to cigarette smoke extract (CSE) stimulation. Antibody-mediated neutrophil depletion significantly dampens lung inflammation to CS exposure but only partially decreases BAFF expression in lung tissue and bronchoalveolar space suggesting additional sources of BAFF. Importantly, BAFF deficient mice displayed decreased airway neutrophil recruiting chemokines and neutrophil influx while the addition of exogenous BAFF significantly enhanced this CS-induced neutrophilic inflammation. This demonstrates that BAFF is a key proinflammatory cytokine and that innate immune cells in particular neutrophils, are an unconsidered source of BAFF in early stages of CS-induced innate immunity.
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Affiliation(s)
| | | | | | - Corinne Panek
- University of Orleans and CNRS, INEM-UMR7355, Orléans, France
| | - Manon Bourinet
- University of Orleans and CNRS, INEM-UMR7355, Orléans, France
| | - Manoussa Fanny
- University of Orleans and CNRS, INEM-UMR7355, Orléans, France
| | | | - Pascal Schneider
- Department of Biochemistry, University of Lausanne, Épalinges, Switzerland
| | - Marc Le Bert
- University of Orleans and CNRS, INEM-UMR7355, Orléans, France
| | - Bernhard Ryffel
- University of Orleans and CNRS, INEM-UMR7355, Orléans, France
| | - Nicolas Riteau
- University of Orleans and CNRS, INEM-UMR7355, Orléans, France
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36
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Maes T, Bracke K, Brusselle GG. COVID-19, Asthma, and Inhaled Corticosteroids: Another Beneficial Effect of Inhaled Corticosteroids? Am J Respir Crit Care Med 2020; 202:8-10. [PMID: 32437628 PMCID: PMC7328335 DOI: 10.1164/rccm.202005-1651ed] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Affiliation(s)
- Tania Maes
- Department of Respiratory MedicineGhent University HospitalGent, Belgiumand
| | - Ken Bracke
- Department of Respiratory MedicineGhent University HospitalGent, Belgiumand
| | - Guy G Brusselle
- Department of Respiratory MedicineGhent University HospitalGent, Belgiumand.,Department of Epidemiology andDepartment of Respiratory MedicineErasmus Medical Center RotterdamRotterdam, the Netherlands
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37
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The role of miR-155 in cigarette smoke-induced pulmonary inflammation and COPD. Mucosal Immunol 2020; 13:423-436. [PMID: 31819170 DOI: 10.1038/s41385-019-0241-6] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 11/22/2019] [Accepted: 11/23/2019] [Indexed: 02/04/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) is a highly prevalent respiratory disease characterized by airflow limitation and chronic inflammation. MiR-155 is described as an ancient regulator of the immune system. Our objective was to establish a role for miR-155 in cigarette smoke (CS)-induced inflammation and COPD. We demonstrate increased miR-155 expression by RT-qPCR in lung tissue of smokers without airflow limitation and patients with COPD compared to never smokers and in lung tissue and alveolar macrophages of CS-exposed mice compared to air-exposed mice. In addition, we exposed wild type and miR-155 deficient mice to CS and show an attenuated inflammatory profile in the latter. Alveolar macrophages were sorted by FACS from the different experimental groups and their gene expression profile was analyzed by RNA sequencing. This analysis revealed increased expression of miR-155 targets and an attenuation of the CS-induced increase in inflammation-related genes in miR-155 deficient mice. Moreover, intranasal instillation of a specific miR-155 inhibitor attenuated the CS-induced pulmonary inflammation in mice. Finally, elastase-induced emphysema and lung functional changes were significantly attenuated in miR-155 deficient mice. In conclusion, we highlight a role for miR-155 in CS-induced inflammation and the pathogenesis of COPD, implicating miR-155 as a new therapeutic target in COPD.
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38
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Malinina A, Dikeman D, Westbrook R, Moats M, Gidner S, Poonyagariyagorn H, Walston J, Neptune ER. IL10 deficiency promotes alveolar enlargement and lymphoid dysmorphogenesis in the aged murine lung. Aging Cell 2020; 19:e13130. [PMID: 32170906 PMCID: PMC7189990 DOI: 10.1111/acel.13130] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 12/22/2019] [Accepted: 02/04/2020] [Indexed: 12/13/2022] Open
Abstract
The connection between aging-related immune dysfunction and the lung manifestations of aging is poorly understood. A detailed characterization of the aging IL10-deficient murine lung, a model of accelerated aging and frailty, reconciles features of both immunosenescence and lung aging in a coherent model. Airspace enlargement developed in the middle-aged (12 months old) and aged (20-22 months old) IL10-deficient lung punctuated by an expansion of macrophages and alveolar cell apoptosis. Compared to wild-type (WT) controls, the IL10-deficient lungs from young (4-month-old) mice showed increased oxidative stress which was enhanced in both genotypes by aging. Active caspase 3 staining was increased in the alveolar epithelial cells of aged WT and mutant lungs but was greater in the IL10-deficient milieu. Lung macrophages were increased in the aged IL10-deficient lungs with exuberant expression of MMP12. IL10 treatment of naïve and M2-polarized bone marrow-derived WT macrophages reduced MMP12 expression. Conditioned media studies demonstrated the secretome of aged mutant macrophages harbors reduced AECII prosurvival factors, specifically keratinocyte growth factor (KGF) and hepatocyte growth factor (HGF), promotes cell death, and reduces survival of primary alveolar epithelial cells. Compared to WT controls, aged IL10-deficient mice have increased parenchymal lymphoid collections comprised of a reduced number of apoptotic cells and B cells. We establish that IL10 is a key modulator of airspace homeostasis and lymphoid morphogenesis in the aging lung enabling macrophage-mediated alveolar epithelial cell survival and B-cell survival within tertiary lymphoid structures.
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Affiliation(s)
- Alla Malinina
- Pulmonary and Critical Care Medicine Johns Hopkins School of Medicine Baltimore MD USA
| | - Dustin Dikeman
- Pulmonary and Critical Care Medicine Johns Hopkins School of Medicine Baltimore MD USA
| | - Reyhan Westbrook
- Division of Geriatrics Johns Hopkins School of Medicine Baltimore MD USA
| | - Michelle Moats
- Pulmonary and Critical Care Medicine Johns Hopkins School of Medicine Baltimore MD USA
- Departments of Biology and Chemistry and Biochemistry Florida International University Miami FL USA
| | - Sarah Gidner
- Pulmonary and Critical Care Medicine Johns Hopkins School of Medicine Baltimore MD USA
| | | | - Jeremy Walston
- Division of Geriatrics Johns Hopkins School of Medicine Baltimore MD USA
| | - Enid R. Neptune
- Pulmonary and Critical Care Medicine Johns Hopkins School of Medicine Baltimore MD USA
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39
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Gao S, Chen J, Xie J, Wang J. The effects of BAFF on T lymphocytes in chronic obstructive pulmonary disease. Respir Res 2020; 21:66. [PMID: 32160903 PMCID: PMC7066828 DOI: 10.1186/s12931-020-01333-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 03/06/2020] [Indexed: 12/16/2022] Open
Abstract
Background It has been reported that B cell activating factor belonging to the tumor necrosis factor family (BAFF) expression is increased in chronic obstructive pulmonary disease (COPD). However its role in this chronic inflammatory disease is not fully understood. Previous studies have suggested that BAFF also affects T cell function. We therefore investigated the effects of BAFF on T lymphocytes in COPD. Methods BAFF was detected in the cells of sputum and the plasma. Peripheral blood mononuclear cells (PBMCs) were isolated from COPD patients and treated with BAFF or BAFF plus BR3-Fc (BAFF antagonist). The apoptosis of CD4+ cells and CD8+ cells was analyzed by flow cytometry. CD4+ cells and CD8+ cells were isolated from peripheral blood of COPD patients respectively and treated with BAFF or BAFF plus BR3-Fc. Interferon-γ (IFN-γ) and interleukin-4 (IL-4) were detected in the CD4+ cells, and perforin and granzyme B were detected in the CD8+ cells. Results BAFF expression was increased in the cells of sputum and the plasma from COPD patients compared with control subjects. The plasma BAFF levels were inversely correlated with FEV1 percentage of predicted in patients with COPD. BAFF did not significantly alter the apoptosis of CD4+ cells, however it significantly inhibited the apoptosis of CD8+ cells from COPD patients. BAFF increased IFN-γ expression in the CD4+ cells from COPD patients, while it did not significantly alter the expresson of IL-4 in these cells. BAFF increased the expression of perforin and granzyme B in the CD8+ cells from COPD patients. Conclusions Our findings indicate that BAFF may be involved in the inflammatory response in COPD via affecting T lymphocytes, suggesting a possible role of BAFF in the pathogenesis of COPD.
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Affiliation(s)
- Shupei Gao
- Department of Respiratory and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Road, Wuhan, 430030, China
| | - Jinqing Chen
- Department of Respiratory and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Road, Wuhan, 430030, China
| | - Jungang Xie
- Department of Respiratory and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Road, Wuhan, 430030, China
| | - Jianmiao Wang
- Department of Respiratory and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Road, Wuhan, 430030, China.
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Paci P, Fiscon G, Conte F, Licursi V, Morrow J, Hersh C, Cho M, Castaldi P, Glass K, Silverman EK, Farina L. Integrated transcriptomic correlation network analysis identifies COPD molecular determinants. Sci Rep 2020; 10:3361. [PMID: 32099002 PMCID: PMC7042269 DOI: 10.1038/s41598-020-60228-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 01/23/2020] [Indexed: 12/17/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a complex and heterogeneous syndrome. Network-based analysis implemented by SWIM software can be exploited to identify key molecular switches - called "switch genes" - for the disease. Genes contributing to common biological processes or defining given cell types are usually co-regulated and co-expressed, forming expression network modules. Consistently, we found that the COPD correlation network built by SWIM consists of three well-characterized modules: one populated by switch genes, all up-regulated in COPD cases and related to the regulation of immune response, inflammatory response, and hypoxia (like TIMP1, HIF1A, SYK, LY96, BLNK and PRDX4); one populated by well-recognized immune signature genes, all up-regulated in COPD cases; one where the GWAS genes AGER and CAVIN1 are the most representative module genes, both down-regulated in COPD cases. Interestingly, 70% of AGER negative interactors are switch genes including PRDX4, whose activation strongly correlates with the activation of known COPD GWAS interactors SERPINE2, CD79A, and POUF2AF1. These results suggest that SWIM analysis can identify key network modules related to complex diseases like COPD.
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Affiliation(s)
- Paola Paci
- Institute for Systems Analysis and Computer Science "Antonio Ruberti", National Research Council, Rome, Italy.
| | - Giulia Fiscon
- Institute for Systems Analysis and Computer Science "Antonio Ruberti", National Research Council, Rome, Italy
| | - Federica Conte
- Institute for Systems Analysis and Computer Science "Antonio Ruberti", National Research Council, Rome, Italy
| | - Valerio Licursi
- Department of Biology and Biotechnology "Charles Darwin", Sapienza University of Rome, Rome, Italy
| | - Jarrett Morrow
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Craig Hersh
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Michael Cho
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Peter Castaldi
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Kimberly Glass
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Edwin K Silverman
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Lorenzo Farina
- Department of Computer, Control and Management Engineering, Sapienza University of Rome, Rome, Italy
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Ma A, Wen L, Yin J, Hu Y, Yue X, Li J, Dong X, Gupta Y, Ludwig RJ, Krauss-Etschmann S, Riemekasten G, Petersen F, Yu X. Serum Levels of Autoantibodies Against Extracellular Antigens and Neutrophil Granule Proteins Increase in Patients with COPD Compared to Non-COPD Smokers. Int J Chron Obstruct Pulmon Dis 2020; 15:189-200. [PMID: 32099344 PMCID: PMC6996218 DOI: 10.2147/copd.s235903] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 01/09/2020] [Indexed: 02/03/2023] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) is a highly prevalent disease leading to irreversible airflow limitation and is characterized by chronic pulmonary inflammation, obstructive bronchiolitis and emphysema. Etiologically, COPD is mediated by toxic gases and particles, eg, cigarette smoke, while the pathogenesis of the disease is largely unknown. Several lines of evidence indicate a link between COPD and autoimmunity but comprehensive studies are lacking. Methods By using a protein microarray assaying more than 19,000 human proteins we determined in this study the autoantibody profiles of COPD and non-COPD smokers. The discovery cohort included 5 COPD patients under acute exacerbation (AECOPD) and 5 age- and gender-matched non-COPD smokers. One putative candidate autoantibody, anti-lactoferrin IgG, was further investigated by using immunoblotting with a large validation cohort containing 124 healthy controls, 92 patients with AECOPD and 52 patients with stable COPD. Results We show that i) autoantigens targeted by autoantibodies with higher titers in COPD patients were enriched in extracellular regions, while those with lower titers in COPD patients were enriched in intracellular compartments. ii) levels of IgG autoantibodies against many neutrophil granule proteins were significantly higher in COPD patients than in non-COPD smokers. Furthermore, increased levels of anti-lactoferrin antibodies in COPD patients were confirmed in a cohort with a large number of samples. Conclusion The comprehensive autoantibody profiles from COPD patients established in this study demonstrated for the first time a shift in the cellular localization of antigens targeted by autoantibodies in COPD.
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Affiliation(s)
- Aiping Ma
- Department of Respiratory Medicine, The First Affiliated Hospital, School of Medicine, Xiamen University, Xiamen, People's Republic of China
| | - Lifang Wen
- Xiamen-Borstel Joint Laboratory of Autoimmunity, The Medical College of Xiamen University
| | - Junping Yin
- Priority Area Asthma and Allergy, Research Center Borstel, Airway Research Center North (ARCN), Members of the German Center for Lung Research (DZL), Borstel, Germany
| | - Yi Hu
- Department of Clinical Laboratory, The First Affiliated Hospital, School of Medicine, Xiamen University, Xiamen, People's Republic of China
| | - Xiaoyang Yue
- Priority Area Asthma and Allergy, Research Center Borstel, Airway Research Center North (ARCN), Members of the German Center for Lung Research (DZL), Borstel, Germany
| | - Jiurong Li
- Department of Respiratory Medicine, The First Affiliated Hospital, School of Medicine, Xiamen University, Xiamen, People's Republic of China
| | - Xiaoru Dong
- Xiamen-Borstel Joint Laboratory of Autoimmunity, The Medical College of Xiamen University
| | - Yask Gupta
- Lübeck Institute of Experimental Dermatology, University of Lübeck, Lübeck, Germany
| | - Ralf J Ludwig
- Lübeck Institute of Experimental Dermatology, University of Lübeck, Lübeck, Germany
| | - Susanne Krauss-Etschmann
- Priority Area Asthma and Allergy, Research Center Borstel, Airway Research Center North (ARCN), Members of the German Center for Lung Research (DZL), Borstel, Germany.,Institute for Experimental Medicine, Christian-Albrechts-Universitaetzu Kiel, Kiel, Germany
| | | | - Frank Petersen
- Priority Area Asthma and Allergy, Research Center Borstel, Airway Research Center North (ARCN), Members of the German Center for Lung Research (DZL), Borstel, Germany
| | - Xinhua Yu
- Xiamen-Borstel Joint Laboratory of Autoimmunity, The Medical College of Xiamen University.,Priority Area Asthma and Allergy, Research Center Borstel, Airway Research Center North (ARCN), Members of the German Center for Lung Research (DZL), Borstel, Germany
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Serum Levels of BAFF and APRIL Predict Clinical Response in Anti-PLA2R-Positive Primary Membranous Nephropathy. J Immunol Res 2019; 2019:8483650. [PMID: 31781684 PMCID: PMC6874868 DOI: 10.1155/2019/8483650] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 09/03/2019] [Accepted: 09/30/2019] [Indexed: 12/11/2022] Open
Abstract
Primary membranous nephropathy (PMN) is a renal-specific autoimmune disease caused by circulating autoantibodies that target glomerular podocyte antigens (PLA2R/THSD7A). However, very little is known on the molecular mechanisms controlling B cell response in this nephropathy. The present study was aimed at correlating the serum levels of B cell activators BAFF/BLyS and APRIL with the presence of anti-PLA2R antibodies in PMN patients and with long-term clinical outcome. To this aim, 51 patients with anti-PLA2R-positive biopsy-proven PMN and nephrotic range proteinuria (>3.5 g/24 hours) were enrolled between January 2009 and December 2015 and treated with conventional 6-month immunosuppressive therapy. After 6 months, 29 patients (56.9%) cleared circulating anti-PLA2R, while in remaining 22 (43.1%), they persisted. Intriguingly, in the first group, baseline serum levels of BAFF/BLyS and APRIL were significantly lower than those in the second one. Moreover, after 6 months of immunosuppressive therapy, an overall reduction in both cytokine serum levels was observed. However, in PMN patients with anti-PLA2R clearance, this reduction was more prominent, as compared with those with anti-PLA2R persistence. When related to clinical outcome, lower baseline BAFF/BLyS (<6.05 ng/mL) and APRIL (<4.20 ng/mL) serum levels were associated with significantly higher probability to achieve complete or partial remission after 24-month follow-up. After dividing the entire study cohort into three groups depending on both cytokine baseline serum levels, patients with both BAFF/BLyS and APRIL below the cut-off showed a significantly higher rate of complete or partial remission as compared with patients with only one cytokine above the cut-off, while the composite endpoint was achieved in a very low rate of patients with both cytokines above the cut-off. Taken together, these results provide new insights into the role of BAFF/BLyS and APRIL in both the pathogenesis of anti-PLA2R-positive PMN and the response to immunosuppressive therapy.
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Barnes PJ. Small airway fibrosis in COPD. Int J Biochem Cell Biol 2019; 116:105598. [DOI: 10.1016/j.biocel.2019.105598] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 08/30/2019] [Accepted: 08/30/2019] [Indexed: 12/26/2022]
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Seys LJM, Widagdo W, Verhamme FM, Kleinjan A, Janssens W, Joos GF, Bracke KR, Haagmans BL, Brusselle GG. DPP4, the Middle East Respiratory Syndrome Coronavirus Receptor, is Upregulated in Lungs of Smokers and Chronic Obstructive Pulmonary Disease Patients. Clin Infect Dis 2019; 66:45-53. [PMID: 29020176 PMCID: PMC7108100 DOI: 10.1093/cid/cix741] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 08/12/2017] [Indexed: 12/18/2022] Open
Abstract
Background Middle East respiratory syndrome coronavirus (MERS-CoV) causes pneumonia with a relatively high case fatality rate in humans. Smokers and chronic obstructive pulmonary disease (COPD) patients have been reported to be more susceptible to MERS-CoV infection. Here, we determined the expression of MERS-CoV receptor, dipeptidyl peptidase IV (DPP4), in lung tissues of smokers without airflow limitation and COPD patients in comparison to nonsmoking individuals (never-smokers). Methods DPP4 expression was measured in lung tissue of lung resection specimens of never-smokers, smokers without airflow limitation, COPD GOLD stage II patients and in lung explants of end-stage COPD patients. Both control subjects and COPD patients were well phenotyped and age-matched. The mRNA expression was determined using qRT-PCR and protein expression was quantified using immunohistochemistry. Results In smokers and subjects with COPD, both DPP4 mRNA and protein expression were significantly higher compared to never-smokers. Additionally, we found that both DPP4 mRNA and protein expression were inversely correlated with lung function and diffusing capacity parameters. Conclusions We provide evidence that DPP4 is upregulated in the lungs of smokers and COPD patients, which could partially explain why these individuals are more susceptible to MERS-CoV infection. These data also highlight a possible role of DPP4 in COPD pathogenesis.
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Affiliation(s)
- Leen J M Seys
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University HospitalGhent, Belgium.,Laboratory of Immunoregulation and Mucosal Immunology, VIB-UGent Center for Inflammation Research, Ghent, Belgium
| | - W Widagdo
- Departments of Viroscience, Rotterdam, The Netherlands
| | - Fien M Verhamme
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University HospitalGhent, Belgium
| | - Alex Kleinjan
- Pulmonary Medicine, Erasmus MC, Rotterdam, The Netherlands
| | - Wim Janssens
- University Hospital Leuven, Respiratory Division and Rehabilitation, Leuven, Belgium
| | - Guy F Joos
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University HospitalGhent, Belgium
| | - Ken R Bracke
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University HospitalGhent, Belgium
| | | | - Guy G Brusselle
- Laboratory for Translational Research in Obstructive Pulmonary Diseases, Department of Respiratory Medicine, Ghent University HospitalGhent, Belgium
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45
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Ali FF, Abdelzaher WY, Ibrahim RA, Elroby Ali DM. Amelioration of estrogen-induced endometrial hyperplasia in female rats by hemin via heme-oxygenase-1 expression, suppression of iNOS, p38 MAPK, and Ki67. Can J Physiol Pharmacol 2019; 97:1159-1168. [PMID: 31505119 DOI: 10.1139/cjpp-2019-0287] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Although heme oxygenase-1 (HO-1) is part of an endogenous defense system implicated in the homeostatic response, its role in cell proliferation and tumor progression is still controversial. Endometrial hyperplasia (EH) is associated with high risk of endometrial cancer (EC). Therefore, we aimed to evaluate the effect of hemin, a HO-1 inducer, against EH. Thirty-two female rats (60-70 days old) were divided into 4 groups treated for 1 week: vehicle control group, hemin group (25 mg/kg; i.p. 3 times/week), estradiol valerate (EV) group (2 mg/kg per day, p.o.), and hemin plus EV group. Sera were obtained for reduced glutathione level. Uterine malondialdehyde, superoxide dismutase, total nitrite/nitrate, and interleukin-1β levels were estimated. HO-1 and p38 mitogen-activated protein kinase expressions were obtained in uterine tissue. Uterine histological and immunohistochemical assessment of iNOS and Ki67 were also done. Results demonstrated that upregulation of HO-1 expression in hemin plus EV rats led to amelioration of EH which was confirmed with histological examination. This was associated with significant decrease in oxidative stress parameters, p38 mitogen-activated protein kinase expression, and interleukin-1β level. Also, uterine iNOS and Ki67 expressions were markedly suppressed. In conclusion, upregulation of HO-1 expression via hemin has ameliorative effect against EH through its antioxidant, anti-inflammatory, and antiproliferative actions.
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Affiliation(s)
- Fatma F Ali
- Department of Medical Physiology, Faculty of Medicine, Minia University, Egypt
| | | | - Randa Ahmed Ibrahim
- Department of Histology and Cell Biology, Faculty of Medicine, Minia University, Egypt
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van Eeden SF, Hogg JC. Immune-Modulation in Chronic Obstructive Pulmonary Disease: Current Concepts and Future Strategies. Respiration 2019; 99:550-565. [PMID: 31480060 DOI: 10.1159/000502261] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 07/08/2019] [Indexed: 11/19/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is caused by the chronic inhalation of toxic particles and gases that are primarily but not exclusively derived from cigarette smoke that may be either actively or passively inhaled, which initiates a persistent innate and adaptive immune response in the lung. This immune response is associated with an aberrant tissue repair and remodeling process that results in varying degrees of chronic inflammation with excess production of mucus in the central airways and permanent destruction of the smaller conducting airways and gas exchanging surface in the peripheral lung. Currently, the primary aims of treatment in COPD are bronchodilation (inhaled short- and long-acting β-agonist and antimuscarinic therapies), to control symptoms and nonspecific broad-acting anti-inflammatory agents (inhaled and oral corticosteroids, phosphor-di-esterase inhibitors, and macrolides). That provide symptomatic relief but have little or no impact on either disease progression or mortality. As our understanding of the immune pathogenesis of the COPD improves, available immune modulation therapies have the potential to alter or interfere with damaging immune pathways, thereby slowing relentless progression of lung tissue destruction. The purpose of this brief review is to discuss our current understanding of the immune pathogenesis of both the airways and parenchymal injury as well as the dysfunctional tissue repair process to propose immune modulating interventions in an attempt to stabilize or return these pathological changes to their normal state. The ultimate goal of the immune modulation therapy is to improve both morbidity and mortality associated with COPD.
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Affiliation(s)
- Stephan F van Eeden
- Centre for Heart Lung Innovation, University of British Columbia, Vancouver, British Columbia, Canada, .,Pacific Lung Health Centre, St. Paul's Hospital, Vancouver, British Columbia, Canada,
| | - James C Hogg
- Centre for Heart Lung Innovation, University of British Columbia, Vancouver, British Columbia, Canada
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47
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Liu G, Betts C, Cunoosamy DM, Åberg PM, Hornberg JJ, Sivars KB, Cohen TS. Use of precision cut lung slices as a translational model for the study of lung biology. Respir Res 2019; 20:162. [PMID: 31324219 PMCID: PMC6642541 DOI: 10.1186/s12931-019-1131-x] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 07/09/2019] [Indexed: 12/28/2022] Open
Abstract
Animal models remain invaluable for study of respiratory diseases, however, translation of data generated in genetically homogeneous animals housed in a clean and well-controlled environment does not necessarily provide insight to the human disease situation. In vitro human systems such as air liquid interface (ALI) cultures and organ-on-a-chip models have attempted to bridge the divide between animal models and human patients. However, although 3D in nature, these models struggle to recreate the architecture and complex cellularity of the airways and parenchyma, and therefore cannot mimic the complex cell-cell interactions in the lung. To address this issue, lung slices have emerged as a useful ex vivo tool for studying the respiratory responses to inflammatory stimuli, infection, and novel drug compounds. This review covers the practicality of precision cut lung slice (PCLS) generation and benefits of this ex vivo culture system in modeling human lung biology and disease pathogenesis.
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Affiliation(s)
- Guanghui Liu
- RIA Safety, Clinical Pharmacology & Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Catherine Betts
- Pathology, Clinical Pharmacology & Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Danen M Cunoosamy
- Bioscience, Respiratory Inflammation and Autoimmunity, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden.,Present Address: Sanofi, Cambridge, MA, USA
| | - Per M Åberg
- RIA Safety, Clinical Pharmacology & Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Jorrit J Hornberg
- RIA Safety, Clinical Pharmacology & Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Kinga Balogh Sivars
- RIA Safety, Clinical Pharmacology & Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Taylor S Cohen
- Microbial Sciences, BioPharmaceuticals R&D, AstraZeneca, One Medimmune Way, Gaithersburg, MD, 20877, USA.
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Capron T, Bourdin A, Perez T, Chanez P. COPD beyond proximal bronchial obstruction: phenotyping and related tools at the bedside. Eur Respir Rev 2019; 28:28/152/190010. [PMID: 31285287 DOI: 10.1183/16000617.0010-2019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Accepted: 05/04/2019] [Indexed: 11/05/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is characterised by nonreversible proximal bronchial obstruction leading to major respiratory disability. However, patient phenotypes better capture the heterogeneously reported complaints and symptoms of COPD. Recent studies provided evidence that classical bronchial obstruction does not properly reflect respiratory disability, and symptoms now form the new paradigm for assessment of disease severity and guidance of therapeutic strategies. The aim of this review was to explore pathways addressing COPD pathogenesis beyond proximal bronchial obstruction and to highlight innovative and promising tools for phenotyping and bedside assessment. Distal small airways imaging allows quantitative characterisation of emphysema and functional air trapping. Micro-computed tomography and parametric response mapping suggest small airways disease precedes emphysema destruction. Small airways can be assessed functionally using nitrogen washout, probing ventilation at conductive or acinar levels, and forced oscillation technique. These tests may better correlate with respiratory symptoms and may well capture bronchodilation effects beyond proximal obstruction.Knowledge of inflammation-based processes has not provided well-identified targets so far, and eosinophils probably play a minor role. Adaptative immunity or specific small airways secretory protein may provide new therapeutic targets. Pulmonary vasculature is involved in emphysema through capillary loss, microvascular lesions or hypoxia-induced remodelling, thereby impacting respiratory disability.
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Affiliation(s)
- Thibaut Capron
- Clinique des Bronches, Allergies et Sommeil, Hôpital Nord, Assistance Publique des Hôpitaux de Marseille, Aix Marseille Université, Marseille, France
| | - Arnaud Bourdin
- Université de Montpellier, PhyMedExp, INSERM, CNRS, CHU de Montpellier, Dept of Respiratory Diseases, Montpellier, France
| | - Thierry Perez
- Dept of Respiratory Diseases, CHU Lille, Center for Infection and Immunity of Lille, INSERM U1019 - CNRS UMR 8204, Université Lille Nord de France, Lille, France
| | - Pascal Chanez
- Clinique des Bronches, Allergies et Sommeil, Hôpital Nord, Assistance Publique des Hôpitaux de Marseille, Aix Marseille Université, Marseille, France .,Aix Marseille Université, INSERM, INRA, CV2N, Marseille, France
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Polverino F, Lu B, Quintero JR, Vargas SO, Patel AS, Owen CA, Gerard NP, Gerard C, Cernadas M. CFTR regulates B cell activation and lymphoid follicle development. Respir Res 2019; 20:133. [PMID: 31262295 PMCID: PMC6604167 DOI: 10.1186/s12931-019-1103-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 06/18/2019] [Indexed: 12/01/2022] Open
Abstract
Background Cystic fibrosis (CF) is an inherited disorder caused by mutations in the CF transmembrane conductance regulator (CFTR) gene that promotes persistent lung infection and inflammation and progressive loss of lung function. Patients with CF have increased lung lymphoid follicles (LFs) and B cell-activating factor of tumor necrosis factor family (BAFF) that regulates B cell survival and maturation. A direct role for CFTR in B cell activation and disease pathogenesis in CF remains unclear. Methods The number of LFs, BAFF+, TLR4+ and proliferation marker Ki67+ B cells in lung explants or resections from subjects with CF and normal controls was quantified by immunostaining. The role of CFTR in B cell activation and LF development was then examined in two independent cohorts of uninfected CFTR-deficient mice (Cftr−/−) and wild type controls. The number of lung LFs, B cells and BAFF+, CXCR4+, immunoglobulin G+ B cells was examined by immunostaining. Lung and splenocyte B cell activation marker and major histocompatibility complex class II (MHC class II) expression was quantified by flow cytometry. Inflammatory cytokine levels were measured in supernatants from isolated B cells from Cftr−/− and wild type mice stimulated in vitro with Pseudomonas aeruginosa lipopolysaccharide (LPS). Results There was a significant increase in well-formed LFs in subjects with CF compared to normal controls. Increased B cell activation and proliferation was observed in lung LFs from CF subjects as was quantified by a significant increase in B cell BAFF, TLR4 and Ki67 expression. Uninfected Cftr−/− mice had increased lung LFs and BAFF+ and CXCR4+ B cells compared to wild type controls. Lung B cells isolated from uninfected Cftr−/− mice demonstrated increased MHC class II expression. In vitro, isolated B cells from Cftr−/− mice produced increased IL-6 when stimulated with LPS compared to wild type controls. Conclusions These data support a direct role for CFTR in B cell activation, proliferation and inflammatory cytokine production that promotes lung LF follicle development in cystic fibrosis.
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Affiliation(s)
- Francesca Polverino
- Asthma and Airway Disease Research Center, University of Arizona, Tucson, AZ, 85718, USA.,Lovelace Respiratory Research Institute, Albuquerque, NM, 87108, USA
| | - Bao Lu
- Division of Respiratory Diseases, Department of Medicine, Boston Children's Hospital, Boston, MA, 02115, USA
| | - Joselyn Rojas Quintero
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Sara O Vargas
- Department of Pathology, Boston Children's Hospital, Boston, MA, 02115, USA
| | - Avignat S Patel
- Lahey Hospital and Medical Center, Burlington, MA, 01805, USA
| | - Caroline A Owen
- Vertex Pharmaceuticals, Boston, MA, 02210, USA.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA
| | - Norma P Gerard
- Division of Respiratory Diseases, Department of Medicine, Boston Children's Hospital, Boston, MA, 02115, USA
| | - Craig Gerard
- Division of Respiratory Diseases, Department of Medicine, Boston Children's Hospital, Boston, MA, 02115, USA
| | - Manuela Cernadas
- Division of Respiratory Diseases, Department of Medicine, Boston Children's Hospital, Boston, MA, 02115, USA. .,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, 02115, USA.
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50
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Battaglino RA, Nguyen N, Summers M, Morse LR. B Cell-Activating Factor Is Associated with Testosterone and Smoking Status in Non-Ambulatory Men with Chronic Spinal Cord Injury. J Neurotrauma 2019; 36:3332-3337. [PMID: 31020912 DOI: 10.1089/neu.2018.6221] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
B cell-mediated autoimmunity may contribute to poor neurological outcomes after spinal cord injury (SCI). B cell-activating factor (BAFF) is a key cytokine involved in B cell development, proliferation, activation, and survival whose expression is elevated in men with chronic SCI. The aim of this study was to assess factors associated with circulating BAFF in non-ambulatory males with chronic SCI. We assessed the association between clinical and demographic factors, health habits, and circulating BAFF levels in a convenience sample of 43 non-ambulatory men with chronic spinal cord injury (≥ 1 year post-injury). Serum BAFF and total testosterone levels were quantified by enzyme-linked immunosorbent assay. Body composition was determined by whole body dual-energy X-ray absorptiometry. In multivariable models, active smokers had significantly greater BAFF levels than former/nonsmokers (871 pg/mL vs. 665 pg/ml, p = 0.002). BAFF decreased 36 ± 11.1 pg/mL for every 1 ng/mL increase in total testosterone (p = 0.002). This model explained 41% of the variation in circulating BAFF levels (model p < 0.0001). Our findings suggest that modifiable health habits may be associated with elevated BAFF levels in men with non-ambulatory chronic SCI. Further, the significant and independent negative association between testosterone levels and BAFF would suggest a link between androgen deficiency and autoimmunity observed in SCI via modulation of BAFF and B cell numbers. This points toward BAFF as a potential biomarker of injury severity and a target of therapies designed to reduce neuroinflammation and improve neurological outcomes after SCI.
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Affiliation(s)
- Ricardo A Battaglino
- Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, Minnesota
| | - Nguyen Nguyen
- Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, Minnesota
| | - Megan Summers
- Rocky Mountain Regional Spinal Injury System, Craig Rehabilitation Hospital, Englewood, Colorado
| | - Leslie R Morse
- Department of Rehabilitation Medicine, University of Minnesota, Minneapolis, Minnesota.,Rocky Mountain Regional Spinal Injury System, Craig Rehabilitation Hospital, Englewood, Colorado
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