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Ma T, Zhang H, Weng Y, Tang S, Mao J, Feng X, Zhang Y, Zhang J. Blocking CD40 Alleviates Th1 and Th17 Cell Responses in Elastin Peptide-Induced Murine Emphysema. Int J Chron Obstruct Pulmon Dis 2023; 18:2687-2698. [PMID: 38022831 PMCID: PMC10680472 DOI: 10.2147/copd.s428832] [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: 07/29/2023] [Accepted: 11/09/2023] [Indexed: 12/01/2023] Open
Abstract
Purpose To investigate the role of the CD40-CD40 ligand (CD40L) pathway in the regulation of Th1, Th17, and regulatory T (Treg)-cell responses in an elastin peptide (EP)-induced autoimmune emphysema mouse model. Methods BALB/c mice were transnasally treated with EP on day 0, injected intravenously with anti-CD40 antibody via the tail vein on day 33, and sacrificed on day 40. The severity of emphysema was evaluated by determining the mean linear intercept (MLI) and destructive index (DI) from lung sections. The proportions of myeloid dendritic cells (mDCs) and Th1, Th17, and Treg cells in the blood, spleen, and lungs were determined via flow cytometry. The levels of the cytokines interleukin (IL)-6, IL-17, interferon (IFN)-γ, and transforming growth factor (TGF)-β were detected via enzyme-linked immunosorbent assay. Ifnγ, IL17a, Rorγt and Foxp3 transcription levels were detected via polymerase chain reaction. Results CD40+ mDCs accumulated in the lungs of EP-stimulated mice. Blocking the CD40-CD40L pathway with an anti-CD40 antibody alleviated Th1 and Th17 responses; increased the proportion of Treg cells; decreased MLI and DI; reduced the levels of cytokines IL-6, IL-17, and IFN-γ as well as the transcription levels of Ifnγ, IL17a, and Rorγt; and upregulated the expression of TGF-β and Foxp3. Conclusion The CD40-CD40L pathway could play a critical role in Th1, Th17 and Treg cell dysregulation in EP-mediated emphysema and could be a potential therapeutic target.
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Affiliation(s)
- Tingting Ma
- Department of Respiratory and Critical Medicine, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, 518000, People’s Republic of China
- Department of Respiratory and Critical Medicine, Zhuhai People’s Hospital (Zhuhai Hospital Affiliated with Jinan University), Zhuhai, Guangdong, 519000, People’s Republic of China
| | - Hui Zhang
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, People’s Republic of China
| | - Yuqing Weng
- Department of Respiratory and Critical Medicine, Zhuhai People’s Hospital (Zhuhai Hospital Affiliated with Jinan University), Zhuhai, Guangdong, 519000, People’s Republic of China
| | - Shudan Tang
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, People’s Republic of China
| | - Jinshan Mao
- Department of Respiratory and Critical Medicine, Zhuhai People’s Hospital (Zhuhai Hospital Affiliated with Jinan University), Zhuhai, Guangdong, 519000, People’s Republic of China
| | - Xin Feng
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, People’s Republic of China
| | - Yuxin Zhang
- The First Clinical Medical College, Southern Medical University, Guangzhou, Guangdong, 510515, People’s Republic of China
| | - Jianquan Zhang
- Department of Respiratory and Critical Medicine, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, 518000, People’s Republic of China
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2
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Feng X, Deng J, Li X, Zhang H, Wei X, Ma T, Tang S, Zhang J. RNA Sequencing and Related Differential Gene Expression Analysis in a Mouse Model of Emphysema Induced by Tobacco Smoke Combined with Elastin Peptides. Int J Chron Obstruct Pulmon Dis 2023; 18:2147-2161. [PMID: 37810372 PMCID: PMC10559798 DOI: 10.2147/copd.s397400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Accepted: 05/30/2023] [Indexed: 10/10/2023] Open
Abstract
Objective To establish a model of emphysema induced by tobacco smoke combined with elastin peptides (EP), explore the biochemical metabolic processes and signal transduction pathways related to emphysema occurrence and development at the transcriptional level, and identify new targets and signaling pathways for emphysema prevention and treatment. Methods Mice were randomly divided into the air pseudoexposure group (NORMAL group) and the tobacco smoke + EP group (EP group). The differentially expressed genes (DEGs) in lung tissue between the two groups were identified by RNA-seq, and functional annotation and Gene Ontology (GO)/ Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses were performed. The differential expression of the selected genes were verified using qRT‒PCR and immunohistochemistry (IHC). Results EP group mice showed emphysema-like changes. The expression levels of 1159 genes in the EP group differed significantly (529 up-regulated and 630 down-regulated) from those in the NORMAL group. GO enrichment analysis showed that the DEGs were significantly enriched in the terms immune system, adaptive immune response, and phosphorylation, while KEGG pathway enrichment analysis showed that the DEGs were enriched mainly in the pathways cytokine‒cytokine receptor interaction, T-cell receptor signaling pathway, MAPK signaling pathway, Rap1 signaling pathway, endocytosis, chemokine signaling pathway, Th17 cell differentiation, and Th1 and Th2 cell differentiation. The differential expression of the selected DEGs were verified by qRT‒PCR and IHC, and the expression trends of these genes were consistent with those identified by RNA-seq. Conclusion Emphysema may be related to the inflammatory response, immune response, immune regulation, oxidative stress injury, and other biological processes. The Bmp4-Smad-Hoxa5/Acvr2a signaling pathway may be involved in COPD/ emphysema occurrence and development.
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Affiliation(s)
- Xin Feng
- Department of Respiratory and Critical Medicine, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, 518000, People’s Republic of China
- Department of Respiratory and Critical Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, People’s Republic of China
| | - Jiehua Deng
- Department of Respiratory and Critical Medicine, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, 518000, People’s Republic of China
- Department of Respiratory and Critical Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, People’s Republic of China
| | - Xiaofeng Li
- Department of Respiratory and Critical Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, People’s Republic of China
| | - Hui Zhang
- Department of Respiratory and Critical Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, People’s Republic of China
| | - Xuan Wei
- Department of Respiratory and Critical Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, People’s Republic of China
| | - Tingting Ma
- Department of Respiratory and Critical Medicine, Zhuhai People’s Hospital, Zhuhai, Guangdong, 519099, People’s Republic of China
| | - Shudan Tang
- Department of Respiratory and Critical Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, 530021, People’s Republic of China
| | - Jianquan Zhang
- Department of Respiratory and Critical Medicine, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong, 518000, People’s Republic of China
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Nannan L, Gsell W, Belderbos S, Gallet C, Wouters J, Brassart-Pasco S, Himmelreich U, Brassart B. A multimodal imaging study to highlight elastin-derived peptide pro-tumoral effect in a pancreatic xenograft model. Br J Cancer 2023; 128:2000-2012. [PMID: 37002342 PMCID: PMC10206107 DOI: 10.1038/s41416-023-02242-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 02/28/2023] [Accepted: 03/16/2023] [Indexed: 04/03/2023] Open
Abstract
BACKGROUND Pancreatic ductal adenocarcinoma (PDAC) is highly malignant with a very poor prognosis due to its silent development and metastatic profile with a 5-year survival rate below 10%. PDAC is characterised by an abundant desmoplastic stroma modulation that influences cancer development by extracellular matrix/cell interactions. Elastin is a key element of the extracellular matrix. Elastin degradation products (EDPs) regulate numerous biological processes such as cell proliferation, migration and invasion. The aim of the present study was to characterise for the first time the effect of two EDPs with consensus sequences "GxxPG" and "GxPGxGxG" (VG-6 and AG-9) on PDAC development. The ribosomal protein SA (RPSA) has been discovered recently, acting as a new receptor of EDPs on the surface of tumour cells, contributing to poor prognosis. METHODS Six week-old female Swiss nude nu/nu (Nu(Ico)-Foxn1nu) mice were subcutaneously injected with human PDAC MIA PaCa-2/eGFP-FLuc+ cells, transduced with a purpose-made lentiviral vector, encoding green fluorescent protein (GFP) and Photinus pyralis (firefly) luciferase (FLuc). Animals were treated three times per week with AG-9 (n = 4), VG-6 (n = 5) or PBS (n = 5). The influence of EDP on PDAC was examined by multimodal imaging (bioluminescence imaging (BLI), fluorescence imaging (FLI) and magnetic resonance imaging (MRI). Tumour volumes were also measured using a caliper. Finally, immunohistology was performed at the end of the in vivo study. RESULTS After in vitro validation of MIA PaCa-2 cells by optical imaging, we demonstrated that EDPs exacerbate tumour growth in the PDAC mouse model. While VG-6 stimulated tumour growth to some extent, AG-9 had greater impact on tumour growth. We showed that the expression of the RPSA correlates with a possible effect of EDPs in the PDAC model. Multimodal imaging allowed for longitudinal in vivo follow-up of tumour development. In all groups, we showed mature vessels ending in close vicinity of the tumour, except for the AG-9 group where mature vessels are penetrating the tumour reflecting an increase of vascularisation. CONCLUSIONS Our results suggest that AG-9 strongly increases PDAC progression through an increase in tumour vascularisation.
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Affiliation(s)
- Lise Nannan
- KU Leuven, Department of Imaging and Pathology/Biomedical MRI, Leuven, Belgium
- CNRS UMR 7369 Matrice Extracellulaire et Dynamique Cellulaire, Reims, France
- Université de Reims Champagne Ardenne, Laboratoire de Biochimie Médicale et Biologie Moléculaire, Reims, France
| | - Willy Gsell
- KU Leuven, Department of Imaging and Pathology/Biomedical MRI, Leuven, Belgium
| | - Sarah Belderbos
- KU Leuven, Department of Imaging and Pathology/Biomedical MRI, Leuven, Belgium
| | - Célia Gallet
- CNRS UMR 7369 Matrice Extracellulaire et Dynamique Cellulaire, Reims, France
- Université de Reims Champagne Ardenne, Laboratoire de Biochimie Médicale et Biologie Moléculaire, Reims, France
| | - Jens Wouters
- KU Leuven, Department of Imaging and Pathology/Biomedical MRI, Leuven, Belgium
| | - Sylvie Brassart-Pasco
- CNRS UMR 7369 Matrice Extracellulaire et Dynamique Cellulaire, Reims, France
- Université de Reims Champagne Ardenne, Laboratoire de Biochimie Médicale et Biologie Moléculaire, Reims, France
| | - Uwe Himmelreich
- KU Leuven, Department of Imaging and Pathology/Biomedical MRI, Leuven, Belgium
| | - Bertrand Brassart
- CNRS UMR 7369 Matrice Extracellulaire et Dynamique Cellulaire, Reims, France.
- Université de Reims Champagne Ardenne, Laboratoire de Biochimie Médicale et Biologie Moléculaire, Reims, France.
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4
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Ng B, Xie C, Su L, Kuthubudeen FF, Kwek XY, Yeong D, Pua CJ, Cook SA, Lim WW. IL11 (Interleukin-11) Causes Emphysematous Lung Disease in a Mouse Model of Marfan Syndrome. Arterioscler Thromb Vasc Biol 2023; 43:739-754. [PMID: 36924234 PMCID: PMC10125130 DOI: 10.1161/atvbaha.122.318802] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 02/27/2023] [Indexed: 03/18/2023]
Abstract
BACKGROUND Marfan Syndrome (MFS) is an inherited connective tissue disorder caused by mutations in the FBN1 (fibrillin-1) gene. Lung abnormalities are common in MFS, but their pathogenesis is poorly understood. IL11 (interleukin-11) causes aortic disease in a mouse model of MFS and was studied here in the lung. METHODS We examined histological and molecular phenotypes in the lungs of Fbn1C1041G/+ mice (mouse model of Marfan Syndrome [mMFS]), an established mouse model of MFS. To identify IL11-expressing cells, we used immunohistochemistry on lungs of 4- and 16-week-old Fbn1C1041G/+:Il11EGFP/+ reporter mice. We studied the effects of IL11 inhibition by RT-qPCR, immunoblots and histopathology in lungs from genetic or pharmacologic models: (1) 16-week-old IL11 receptor (IL11RA) knockout mMFS mice (Fbn1C1041G/+:Il11ra1-/- mice) and (2) in mMFS mice administered IgG control or interleukin-11 receptor antibodies twice weekly from 4 to 24 weeks of age. RESULTS mMFS lungs showed progressive loss and enlargement of distal airspaces associated with increased proinflammatory and profibrotic gene expression as well as matrix metalloproteinases 2, 9, and 12. IL11 was increased in mMFS lungs and localized to smooth muscle and endothelial cells in young mMFS mice in the Fbn1C1041G/+:Il11EGFP/+ reporter strain and in fibroblasts, in older mice. In mMFS mice, genetic (Fbn1C1041G/+:Il11ra1-/-) or pharmacologic (anti-interleukin-11 receptor) inhibition of IL11 signaling reduced lung emphysema, fibrosis, and inflammation. This protective effect was associated with reduced pathogenic ERK1/2 signaling and lower metalloproteinase 2, 9, and 12 expression. CONCLUSIONS IL11 causes lung disease in mMFS. This reveals a shared IL11-driven disease mechanism in lung and aorta in MFS and suggests inhibition of IL11 signaling as a holistic approach for treating multiorgan morbidity in MFS.
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Affiliation(s)
- Benjamin Ng
- National Heart Research Institute Singapore, National Heart Centre Singapore (B.N., C.X., L.S., X.-Y.K., D.Y., C.J.P., S.A.C., W.-W.L.)
- Cardiovascular and Metabolic Disorders Program, Duke-National University of Singapore Medical School (B.N., F.F.K., S.A.C., W.-W.L.)
| | - Chen Xie
- National Heart Research Institute Singapore, National Heart Centre Singapore (B.N., C.X., L.S., X.-Y.K., D.Y., C.J.P., S.A.C., W.-W.L.)
| | - Liping Su
- National Heart Research Institute Singapore, National Heart Centre Singapore (B.N., C.X., L.S., X.-Y.K., D.Y., C.J.P., S.A.C., W.-W.L.)
| | - Fathima F. Kuthubudeen
- Cardiovascular and Metabolic Disorders Program, Duke-National University of Singapore Medical School (B.N., F.F.K., S.A.C., W.-W.L.)
| | - Xiu-Yi Kwek
- National Heart Research Institute Singapore, National Heart Centre Singapore (B.N., C.X., L.S., X.-Y.K., D.Y., C.J.P., S.A.C., W.-W.L.)
| | - Daryl Yeong
- National Heart Research Institute Singapore, National Heart Centre Singapore (B.N., C.X., L.S., X.-Y.K., D.Y., C.J.P., S.A.C., W.-W.L.)
| | - Chee Jian Pua
- National Heart Research Institute Singapore, National Heart Centre Singapore (B.N., C.X., L.S., X.-Y.K., D.Y., C.J.P., S.A.C., W.-W.L.)
| | - Stuart A. Cook
- National Heart Research Institute Singapore, National Heart Centre Singapore (B.N., C.X., L.S., X.-Y.K., D.Y., C.J.P., S.A.C., W.-W.L.)
- Cardiovascular and Metabolic Disorders Program, Duke-National University of Singapore Medical School (B.N., F.F.K., S.A.C., W.-W.L.)
- MRC-London Institute of Medical Sciences, United Kingdom (S.A.C.)
| | - Wei-Wen Lim
- National Heart Research Institute Singapore, National Heart Centre Singapore (B.N., C.X., L.S., X.-Y.K., D.Y., C.J.P., S.A.C., W.-W.L.)
- Cardiovascular and Metabolic Disorders Program, Duke-National University of Singapore Medical School (B.N., F.F.K., S.A.C., W.-W.L.)
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Vindin HJ, Oliver BG, Weiss AS. Elastin in healthy and diseased lung. Curr Opin Biotechnol 2021; 74:15-20. [PMID: 34781101 DOI: 10.1016/j.copbio.2021.10.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/12/2021] [Accepted: 10/19/2021] [Indexed: 01/05/2023]
Abstract
Elastic fibers are an essential part of the pulmonary extracellular matrix (ECM). Intact elastin is required for normal function and its damage contributes profoundly to the etiology and pathology of lung disease. This highlights the need for novel lung-specific imaging methodology that enables high-resolution 3D visualization of the ECM. We consider elastin's involvement in chronic respiratory disease and examine recent methods for imaging and modeling of the lung in the context of advances in lung tissue engineering for research and clinical application.
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Affiliation(s)
- Howard J Vindin
- Charles Perkins Centre, The University of Sydney, Sydney 2006, NSW, Australia; School of Life and Environmental Sciences, The University of Sydney, 2006 Sydney, NSW, Australia; The Woolcock Institute, The University of Sydney, Sydney 2006, NSW, Australia
| | - Brian Gg Oliver
- The Woolcock Institute, The University of Sydney, Sydney 2006, NSW, Australia
| | - Anthony S Weiss
- Charles Perkins Centre, The University of Sydney, Sydney 2006, NSW, Australia; School of Life and Environmental Sciences, The University of Sydney, 2006 Sydney, NSW, Australia; Sydney Nano Institute, The University of Sydney, 2006 Sydney, NSW, Australia.
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Routhier J, Pons S, Freidja ML, Dalstein V, Cutrona J, Jonquet A, Lalun N, Mérol JC, Lathrop M, Stitzel JA, Kervoaze G, Pichavant M, Gosset P, Tournier JM, Birembaut P, Dormoy V, Maskos U. An innate contribution of human nicotinic receptor polymorphisms to COPD-like lesions. Nat Commun 2021; 12:6384. [PMID: 34737286 PMCID: PMC8568944 DOI: 10.1038/s41467-021-26637-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/14/2021] [Indexed: 02/07/2023] Open
Abstract
Chronic Obstructive Pulmonary Disease is a generally smoking-linked major cause of morbidity and mortality. Genome-wide Association Studies identified a locus including a non-synonymous single nucleotide polymorphism in CHRNA5, rs16969968, encoding the nicotinic acetylcholine receptor α5 subunit, predisposing to both smoking and Chronic Obstructive Pulmonary Disease. Here we report that nasal polyps from rs16969968 non-smoking carriers exhibit airway epithelium remodeling and inflammation. These hallmarks of Chronic Obstructive Pulmonary Disease occur spontaneously in mice expressing human rs16969968. They are significantly amplified after exposure to porcine pancreatic elastase, an emphysema model, and to oxidative stress with a polymorphism-dependent alteration of lung function. Targeted rs16969968 expression in epithelial cells leads to airway remodeling in vivo, increased proliferation and production of pro-inflammatory cytokines through decreased calcium entry and increased adenylyl-cyclase activity. We show that rs16969968 directly contributes to Chronic Obstructive Pulmonary Disease-like lesions, sensitizing the lung to the action of oxidative stress and injury, and represents a therapeutic target. Human polymorphisms in nicotinic acetylcholine receptor genes have been linked to both smoking and lung diseases like Chronic Obstructive Pulmonary Disease (COPD) or lung cancer. Here the authors identify a direct role for a human coding polymorphism in COPD-like lesions independent of smoke or nicotine exposure.
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Affiliation(s)
- Julie Routhier
- Université de Reims Champagne-Ardenne, Inserm, P3Cell UMR-S1250, Reims, France
| | - Stéphanie Pons
- Institut Pasteur, Université de Paris, Integrative Neurobiology of Cholinergic Systems, CNRS UMR 3571, Paris, France
| | - Mohamed Lamine Freidja
- Université de Reims Champagne-Ardenne, Inserm, P3Cell UMR-S1250, Reims, France.,Department of Biochemistry and Microbiology, Faculty of Sciences, University of M'sila, M'sila, Algeria
| | - Véronique Dalstein
- Université de Reims Champagne-Ardenne, Inserm, P3Cell UMR-S1250, Reims, France.,Department of Biopathology, CHU of Reims, Reims, France
| | - Jérôme Cutrona
- Université de Reims Champagne-Ardenne, Inserm, P3Cell UMR-S1250, Reims, France
| | - Antoine Jonquet
- Université de Reims Champagne-Ardenne, Inserm, P3Cell UMR-S1250, Reims, France
| | - Nathalie Lalun
- Université de Reims Champagne-Ardenne, Inserm, P3Cell UMR-S1250, Reims, France
| | - Jean-Claude Mérol
- Université de Reims Champagne-Ardenne, Inserm, P3Cell UMR-S1250, Reims, France.,Department of Otorhinolaryngology, CHU of Reims, Reims, France
| | - Mark Lathrop
- McGill University Genome Center, Montréal, QC, Canada
| | - Jerry A Stitzel
- Institute for Behavioral Genetics, University of Colorado, Boulder, CO, USA
| | - Gwenola Kervoaze
- University of Lille, CNRS UMR9017, Inserm U1019, CHU Lille, Institut Pasteur de Lille, CIIL - Center for Infection and Immunity of Lille, Lille, France
| | - Muriel Pichavant
- University of Lille, CNRS UMR9017, Inserm U1019, CHU Lille, Institut Pasteur de Lille, CIIL - Center for Infection and Immunity of Lille, Lille, France
| | - Philippe Gosset
- University of Lille, CNRS UMR9017, Inserm U1019, CHU Lille, Institut Pasteur de Lille, CIIL - Center for Infection and Immunity of Lille, Lille, France
| | - Jean-Marie Tournier
- Université de Reims Champagne-Ardenne, Inserm, P3Cell UMR-S1250, Reims, France
| | - Philippe Birembaut
- Université de Reims Champagne-Ardenne, Inserm, P3Cell UMR-S1250, Reims, France.,Department of Biopathology, CHU of Reims, Reims, France
| | - Valérian Dormoy
- Université de Reims Champagne-Ardenne, Inserm, P3Cell UMR-S1250, Reims, France.
| | - Uwe Maskos
- Institut Pasteur, Université de Paris, Integrative Neurobiology of Cholinergic Systems, CNRS UMR 3571, Paris, France.
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Takeda K, Kim SH, Joetham A, Petrache I, Gelfand EW. Therapeutic benefits of recombinant alpha1-antitrypsin IgG1 Fc-fusion protein in experimental emphysema. Respir Res 2021; 22:207. [PMID: 34271910 PMCID: PMC8283905 DOI: 10.1186/s12931-021-01784-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 06/24/2021] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Alpha-1 antitrypsin (AAT) is a major serine protease inhibitor. AAT deficiency (AATD) is a genetic disorder characterized by early-onset severe emphysema. In well-selected AATD patients, therapy with plasma-derived AAT (pAAT), "augmentation therapy", provides modest clinical improvement but is perceived as cumbersome with weekly intravenous infusions. Using mouse models of emphysema, we compared the effects of a recombinant AAT-IgG1 Fc-fusion protein (AAT-Fc), which is expected to have a longer half-life following infusion, to those of pAAT. METHODS In an elastase model of emphysema, mice received a single intratracheal instillation of porcine pancreatic elastase (PPE) or human leucocyte elastase (hLE). AAT-Fc, pAAT, or vehicle was administered intraperitoneally 1 day prior to or 3 weeks following elastase instillation. Lung function and histology assessments were performed at 7 and 32 days after elastase instillation. In a cigarette smoke (CS) model of emphysema, mice were exposed to CS daily, 5 days a week, for 6 months and AAT-Fc, pAAT, or vehicle were administered every 10 days during the last 3 months of CS exposure. Assessments were performed 3 days after the last CS exposure. Immune responses to lung elastin peptide (EP) and the effects of AAT-Fc or pAAT treatment on dendritic cell (DC) function were determined ex vivo. RESULTS Both elastase instillation and CS exposure triggered emphysema-like alveolar enlargement, increased lung compliance, and increased markers of inflammation compared to controls. Administration of AAT-Fc either prior to or following elastase instillation or during CS exposure provided greater protection than pAAT against alveolar enlargement, lung dysfunction, and airway inflammation. When challenged ex vivo with EP, spleen mononuclear cells from elastase-exposed mice exhibited dose-dependent production of IFNγ and IL-17, suggesting immune reactivity. In co-culture experiments with splenic CD4+ T cells isolated from elastase-exposed mice, AAT-Fc treatment prior to EP-priming of bone marrow-derived dendritic cells inhibited the production of IFNγ and IL-17. CONCLUSIONS Compared to pAAT, AAT-Fc more effectively prevented or attenuated elastase- and CS-induced models of emphysema. These effects were associated with immunomodulatory effects on DC activity. AAT-Fc may provide a therapeutic option to individuals with AATD- and CS-induced emphysema.
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Affiliation(s)
- Katsuyuki Takeda
- Division of Cell Biology, Department of Pediatrics, National Jewish Health, Denver, CO, USA.
- Kyoritsu-Onsen Hospital, 1-39-1 Hirano, Kawanishi, 666-0121, Japan.
| | - Soo-Hyun Kim
- Division of Cell Biology, Department of Pediatrics, National Jewish Health, Denver, CO, USA
- College of Veterinary Medicine, Konkuk University, Seoul, South Korea
| | - Anthony Joetham
- Division of Cell Biology, Department of Pediatrics, National Jewish Health, Denver, CO, USA
| | - Irina Petrache
- Division of Pulmonary, Critical Care & Sleep Medicine, Department of Medicine, National Jewish Health, Denver, CO, USA
| | - Erwin W Gelfand
- Division of Cell Biology, Department of Pediatrics, National Jewish Health, Denver, CO, USA
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8
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Relationship between alpha-1 antitrypsin deficiency and obstructive sleep apnea. Sleep Breath 2021; 25:2091-2097. [PMID: 33931809 DOI: 10.1007/s11325-021-02386-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 04/18/2021] [Accepted: 04/21/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE This study aimed to identify if individuals with mild to severe alpha-1 antitrypsin deficiency (AATD) are at higher risk for developing obstructive sleep apnea (OSA) than the general population. METHODS A seven-question sleep apnea risk assessment questionnaire, STOP-BAG, was applied to 2338 participant responses from the Alpha-1 Coded Testing Study (ACT) and 4638 participant responses from the Kentucky Behavioral Risk Factor Survey (KyBRFS). Propensity scores were generated from a logistic regression model using continuous variables of age and body mass index (BMI). STOP-BAG scores were analyzed using chi-square analysis on this matched cohort to assess OSA risk in AATD. RESULTS Self-reported OSA was higher in the KyBRFS cohort (14.5%) than in individuals with mild or severe AATD (11.2%) (p = 0.012). However, a higher percentage of the AATD cohort met clinically meaningful thresholds for STOP-BAG scores ≥ 5 (22.7%) than the KyBRFS cohort (13.0%) (p = 0.001). These differences persisted despite 1:1 propensity score matching on age and BMI to account for differences in baseline characteristics. No statistically significant difference in OSA risk between AATD genotypes was found. CONCLUSION AATD appears to have higher risk for OSA than the general population. The 11.2% prevalence of diagnosed OSA in the AATD population is much lower than symptom scores would predict. Further studies are needed to validate the possibility that elastin loss is involved in OSA pathogenesis.
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9
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Mansouri Z, Dianat M, Radan M, Badavi M. Ellagic Acid Ameliorates Lung Inflammation and Heart Oxidative Stress in Elastase-Induced Emphysema Model in Rat. Inflammation 2021; 43:1143-1156. [PMID: 32103438 DOI: 10.1007/s10753-020-01201-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) is one of the most important factors in the progress of cardiovascular disease (CVD) which is associated with limited airflow and alveolar demolition. The aim of this study is to investigate the possible protective effect of ellagic acid (EA), as a natural anti-oxidant, against pulmonary arterial hypertension (PAH) and development of lung and heart injuries induced by elastase. Sixty healthy male Sprague-Dawley rats (150-180 g) were divided into six groups: control (saline 0.9%, 1 ml/kg, by gavage), porcine pancreatic elastase (PPE) (25 UI/kg, intratracheal), EA (10, 15, and 30 mg/kg, gavage), PPE + EA (30 mg/kg, by gavage). Lead II electrocardiogram was used to evaluate the inotropic and chronotropic parameters of rat heart using Bio-Amp device and the LabChart software. The anti-oxidant levels (superoxide dismutase, catalase, and glutathione) and malondialdehyde were measured by appropriate kits, and right ventricular systolic pressure (RVSP) was recorded by the PowerLab system and measured by the LabChart software (ADInstruments). Elastase administration caused an increase in RVSP which was in line with elevated inflammatory cells and cytokines, as well as lipid peroxidation, and decreased anti-oxidant levels. Also, electrocardiogram parameters significantly changed in elastase group compared with control rats. Co-treatment with EA not only restored elastase-depleted anti-oxidant levels and prevented pulmonary arterial hypertension but also improved cardiac chronotropic and inotropic properties. Our results documented that elastase administration leads to pulmonary arterial hypertension and EA, as an anti-inflammatory and anti-oxidant factor, can protect development of lung and heart injuries induced by elastase.
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Affiliation(s)
- Zahra Mansouri
- Department of Physiology, Faculty of Medicine, Persian Gulf Physiology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mahin Dianat
- Department of Physiology, Faculty of Medicine, Persian Gulf Physiology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Maryam Radan
- Department of Physiology, Faculty of Medicine, Persian Gulf Physiology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Badavi
- Department of Physiology, Faculty of Medicine, Persian Gulf Physiology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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10
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Karamanos NK, Theocharis AD, Piperigkou Z, Manou D, Passi A, Skandalis SS, Vynios DH, Orian-Rousseau V, Ricard-Blum S, Schmelzer CEH, Duca L, Durbeej M, Afratis NA, Troeberg L, Franchi M, Masola V, Onisto M. A guide to the composition and functions of the extracellular matrix. FEBS J 2021; 288:6850-6912. [PMID: 33605520 DOI: 10.1111/febs.15776] [Citation(s) in RCA: 289] [Impact Index Per Article: 96.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/13/2021] [Accepted: 02/18/2021] [Indexed: 12/13/2022]
Abstract
Extracellular matrix (ECM) is a dynamic 3-dimensional network of macromolecules that provides structural support for the cells and tissues. Accumulated knowledge clearly demonstrated over the last decade that ECM plays key regulatory roles since it orchestrates cell signaling, functions, properties and morphology. Extracellularly secreted as well as cell-bound factors are among the major members of the ECM family. Proteins/glycoproteins, such as collagens, elastin, laminins and tenascins, proteoglycans and glycosaminoglycans, hyaluronan, and their cell receptors such as CD44 and integrins, responsible for cell adhesion, comprise a well-organized functional network with significant roles in health and disease. On the other hand, enzymes such as matrix metalloproteinases and specific glycosidases including heparanase and hyaluronidases contribute to matrix remodeling and affect human health. Several cell processes and functions, among them cell proliferation and survival, migration, differentiation, autophagy, angiogenesis, and immunity regulation are affected by certain matrix components. Structural alterations have been also well associated with disease progression. This guide on the composition and functions of the ECM gives a broad overview of the matrisome, the major ECM macromolecules, and their interaction networks within the ECM and with the cell surface, summarizes their main structural features and their roles in tissue organization and cell functions, and emphasizes the importance of specific ECM constituents in disease development and progression as well as the advances in molecular targeting of ECM to design new therapeutic strategies.
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Affiliation(s)
- Nikos K Karamanos
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece.,Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), Patras, Greece
| | - Achilleas D Theocharis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Zoi Piperigkou
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece.,Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), Patras, Greece
| | - Dimitra Manou
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Alberto Passi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Spyros S Skandalis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Demitrios H Vynios
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Véronique Orian-Rousseau
- Karlsruhe Institute of Technology, Institute of Biological and Chemical Systems- Functional Molecular Systems, Eggenstein-Leopoldshafen, Germany
| | - Sylvie Ricard-Blum
- University of Lyon, UMR 5246, ICBMS, Université Lyon 1, CNRS, Villeurbanne Cedex, France
| | - Christian E H Schmelzer
- Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Halle (Saale), Germany.,Institute of Pharmacy, Faculty of Natural Sciences I, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Laurent Duca
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2: Matrix Aging and Vascular Remodelling, Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Madeleine Durbeej
- Department of Experimental Medical Science, Unit of Muscle Biology, Lund University, Sweden
| | - Nikolaos A Afratis
- Department Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Linda Troeberg
- Norwich Medical School, University of East Anglia, Bob Champion Research and Education Building, Norwich, UK
| | - Marco Franchi
- Department for Life Quality Study, University of Bologna, Rimini, Italy
| | | | - Maurizio Onisto
- Department of Biomedical Sciences, University of Padova, Italy
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11
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Lemaire F, Audonnet S, Perotin JM, Gaudry P, Dury S, Ancel J, Lebargy F, Antonicelli F, Deslée G, Le Naour R. The elastin peptide VGVAPG increases CD4 + T-cell IL-4 production in patients with chronic obstructive pulmonary disease. Respir Res 2021; 22:14. [PMID: 33435988 PMCID: PMC7805078 DOI: 10.1186/s12931-020-01609-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 12/22/2020] [Indexed: 11/30/2022] Open
Abstract
Background In chronic obstructive pulmonary disease (COPD), lung-infiltrating inflammatory cells secrete proteases and participate in elastin breakdown and genesis of elastin-derived peptides (EP). In the present study, we hypothesized that the pattern of T lymphocytes cytokine expression may be modulated by EP in COPD patients. Methods CD4+ and CD8+ T-cells, sorted from peripheral blood mononuclear cells (PBMC) collected from COPD patients (n = 29) and controls (n = 13) were cultured with or without EP. Cytokine expression in T-cell phenotypes was analyzed by multicolor flow cytometry, whereas desmosine concentration, a specific marker of elastin degradation, was measured in sera. Results Compared with control, the percentage of IL-4 (Th2) producing CD4+ T-cells was decreased in COPD patients (35.3 ± 3.4% and 26.3 ± 2.4%, respectively, p < 0.05), whereas no significant differences were found with IFN-γ (Th1) and IL-17A (Th17). Among COPD patients, two subpopulations were observed based on the percentage of IL-4 (Th2) producing CD4+ T-cells, of which only one expressed high IL-4 levels in association with high levels of desmosine and strong smoking exposure (n = 7). Upon stimulation with VGVAPG, a bioactive EP motif, the percentage of CD4+ T cells expressing IL-4 significantly increased in COPD patients (p < 0.05), but not in controls. The VGVAPG-induced increase in IL-4 was inhibited in the presence of analogous peptide antagonizing VGVAPG/elastin receptor (S-gal) interactions. Conclusions The present study demonstrates that the VGVAPG elastin peptide modulates CD4+ T-cells IL-4 production in COPD. Monitoring IL-4 in circulating CD4+ T-cells may help to better characterize COPD phenotypes and could open a new pharmacologic opportunity through CD4+ T-cells stimulation via the VGVAPG/S-gal receptor in order to favor an anti-inflammatory response in those COPD patients.
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Affiliation(s)
- Flora Lemaire
- Laboratory of Immunology, EA7509 IRMAIC, University of Reims Champagne-Ardenne (URCA), Reims, France
| | | | - Jeanne-Marie Perotin
- Department of Pulmonary Medicine, University Hospital of Reims, Reims, France.,INSERM U1250, URCA, Reims, France
| | - Pierre Gaudry
- Department of Pulmonary Medicine, University Hospital of Reims, Reims, France
| | - Sandra Dury
- Laboratory of Immunology, EA7509 IRMAIC, University of Reims Champagne-Ardenne (URCA), Reims, France.,Department of Pulmonary Medicine, University Hospital of Reims, Reims, France
| | - Julien Ancel
- Department of Pulmonary Medicine, University Hospital of Reims, Reims, France
| | - François Lebargy
- Laboratory of Immunology, EA7509 IRMAIC, University of Reims Champagne-Ardenne (URCA), Reims, France.,Department of Pulmonary Medicine, University Hospital of Reims, Reims, France
| | - Frank Antonicelli
- Laboratory of Immunology, EA7509 IRMAIC, University of Reims Champagne-Ardenne (URCA), Reims, France
| | - Gaëtan Deslée
- Department of Pulmonary Medicine, University Hospital of Reims, Reims, France.,INSERM U1250, URCA, Reims, France
| | - Richard Le Naour
- Laboratory of Immunology, EA7509 IRMAIC, University of Reims Champagne-Ardenne (URCA), Reims, France. .,Flow Cytometry Platform URCACyt, URCA, Reims, France.
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12
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Mehraban S, Gu G, Ma S, Liu X, Turino G, Cantor J. The Proinflammatory Activity of Structurally Altered Elastic Fibers. Am J Respir Cell Mol Biol 2020; 63:699-706. [PMID: 32790529 DOI: 10.1165/rcmb.2020-0064oc] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The mechanisms responsible for the increased loss of pulmonary function following acute lung inflammation in chronic obstructive pulmonary disease remain poorly understood. To investigate this process, our laboratory developed a hamster model that uses a single intratracheal instillation of LPS to superimpose an inflammatory response on lungs treated with intratracheal elastase 1 week earlier. Parameters measured at 2 days after LPS included total leukocyte content and percent neutrophils in BAL fluid (BALF), and BALF levels of both total and peptide-free elastin-specific crosslinks, desmosine and isodesmosine (DID). Airspace enlargement, measured by the mean linear intercept method, and relative interstitial elastic fiber surface area were determined at 1 week after LPS. Compared with animals only treated with elastase, those receiving elastase/LPS showed statistically significant increases in mean linear intercept (156.2 vs. 85.5 μm), BALF leukocytes (187 vs. 37.3 × 104 cells), neutrophils (39% vs. 3.4%), and free DID (182% vs. 97% of controls), which exceeded the sum of the individual effects of the two agents. Despite increased elastin breakdown, the elastase/LPS group had significantly greater elastic fiber surface area than controls (49% vs. 26%) owing to fragmentation and splaying of the fibers. Additional experiments showed that the combination of elastin peptides and LPS significantly enhanced their separate effects on BALF neutrophils and BALF DID in vivo and leukocyte chemotaxis in vitro. The results suggest that structural changes in elastic fibers have proinflammatory activity and may contribute to the decline in pulmonary function related to chronic obstructive pulmonary disease exacerbations.
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Affiliation(s)
- Shadi Mehraban
- St. John's University, Queens, New York; and Mount Sinai-St. Luke's Hospital Center, New York, New York
| | - George Gu
- St. John's University, Queens, New York; and Mount Sinai-St. Luke's Hospital Center, New York, New York
| | - Shuren Ma
- St. John's University, Queens, New York; and Mount Sinai-St. Luke's Hospital Center, New York, New York
| | - Xingjian Liu
- St. John's University, Queens, New York; and Mount Sinai-St. Luke's Hospital Center, New York, New York
| | - Gerard Turino
- St. John's University, Queens, New York; and Mount Sinai-St. Luke's Hospital Center, New York, New York
| | - Jerome Cantor
- St. John's University, Queens, New York; and Mount Sinai-St. Luke's Hospital Center, New York, New York
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13
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Zhou JS, Li ZY, Xu XC, Zhao Y, Wang Y, Chen HP, Zhang M, Wu YF, Lai TW, Di CH, Dong LL, Liu J, Xuan NX, Zhu C, Wu YP, Huang HQ, Yan FG, Hua W, Wang Y, Xiong WN, Qiu H, Chen T, Weng D, Li HP, Zhou X, Wang L, Liu F, Lin X, Ying SM, Li W, Imamura M, Choi ME, Stampfli MR, Choi AMK, Chen ZH, Shen HH. Cigarette smoke-initiated autoimmunity facilitates sensitisation to elastin-induced COPD-like pathologies in mice. Eur Respir J 2020; 56:13993003.00404-2020. [PMID: 32366484 DOI: 10.1183/13993003.00404-2020] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 04/10/2020] [Indexed: 12/11/2022]
Abstract
It is currently not understood whether cigarette smoke exposure facilitates sensitisation to self-antigens and whether ensuing auto-reactive T cells drive chronic obstructive pulmonary disease (COPD)-associated pathologies.To address this question, mice were exposed to cigarette smoke for 2 weeks. Following a 2-week period of rest, mice were challenged intratracheally with elastin for 3 days or 1 month. Rag1-/- , Mmp12-/- , and Il17a-/- mice and neutralising antibodies against active elastin fragments were used for mechanistic investigations. Human GVAPGVGVAPGV/HLA-A*02:01 tetramer was synthesised to assess the presence of elastin-specific T cells in patients with COPD.We observed that 2 weeks of cigarette smoke exposure induced an elastin-specific T cell response that led to neutrophilic airway inflammation and mucus hyperproduction following elastin recall challenge. Repeated elastin challenge for 1 month resulted in airway remodelling, lung function decline and airspace enlargement. Elastin-specific T cell recall responses were dose dependent and memory lasted for over 6 months. Adoptive T cell transfer and studies in T cells deficient Rag1-/- mice conclusively implicated T cells in these processes. Mechanistically, cigarette smoke exposure-induced elastin-specific T cell responses were matrix metalloproteinase (MMP)12-dependent, while the ensuing immune inflammatory processes were interleukin 17A-driven. Anti-elastin antibodies and T cells specific for elastin peptides were increased in patients with COPD.These data demonstrate that MMP12-generated elastin fragments serve as a self-antigen and drive the cigarette smoke-induced autoimmune processes in mice that result in a bronchitis-like phenotype and airspace enlargement. The study provides proof of concept of cigarette smoke-induced autoimmune processes and may serve as a novel mouse model of COPD.
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Affiliation(s)
- Jie-Sen Zhou
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,These authors contribute equally to this work
| | - Zhou-Yang Li
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,These authors contribute equally to this work
| | - Xu-Chen Xu
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yun Zhao
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yong Wang
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hai-Pin Chen
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Min Zhang
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yin-Fang Wu
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Tian-Wen Lai
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chun-Hong Di
- Dept of Clinical Laboratory, the Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Ling-Ling Dong
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Juan Liu
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Nan-Xia Xuan
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chen Zhu
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yan-Ping Wu
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hua-Qiong Huang
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Fu-Gui Yan
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wen Hua
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yi Wang
- Dept of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China
| | - Wei-Ning Xiong
- Dept of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Sciences and Technology, Wuhan, China
| | - Hui Qiu
- Dept of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Tao Chen
- Dept of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Dong Weng
- Dept of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hui-Ping Li
- Dept of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xiaobo Zhou
- Channing Laboratory, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Lie Wang
- Institute of Immunology, Zhejiang University School of Medicine, Hangzhou, China
| | - Fang Liu
- Institute for Immunology, Tsinghua University School of Medicine, Tsinghua University-Peking University Jointed Center for Life Sciences, Beijing, China
| | - Xin Lin
- Institute for Immunology, Tsinghua University School of Medicine, Tsinghua University-Peking University Jointed Center for Life Sciences, Beijing, China
| | - Song-Min Ying
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wen Li
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Mitsuru Imamura
- Division of Pulmonary and Critical Care Medicine, Weill Cornell Medical College, New York, NY, USA
| | - Mary E Choi
- Division of Nephrology and Hypertension, Joan and Sanford I. Weill Dept of Medicine, New York-Presbyterian Hospital, Weill Cornell Medical College, New York, NY, USA
| | - Martin R Stampfli
- Dept of Pathology and Molecular Medicine, McMaster Immunology Research Centre, and Dept of Medicine, Firestone Institute for Respiratory Health at St Joseph's Healthcare, McMaster University, Hamilton, ON, Canada.,State Key Lab of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou, China
| | - Augustine M K Choi
- Division of Pulmonary and Critical Care Medicine, Weill Cornell Medical College, New York, NY, USA.,These authors contribute equally to this work
| | - Zhi-Hua Chen
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,These authors contribute equally to this work
| | - Hua-Hao Shen
- Key Lab of Respiratory Disease of Zhejiang Province, Dept of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China .,State Key Lab of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou, China.,These authors contribute equally to this work
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14
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Tang S, Ma T, Zhang H, Zhang J, Zhong X, Tan C, Qiu Y, Zeng W, Feng X. Erythromycin Prevents Elastin Peptide-Induced Emphysema and Modulates CD4 +T Cell Responses in Mice. Int J Chron Obstruct Pulmon Dis 2019; 14:2697-2709. [PMID: 31819402 PMCID: PMC6890220 DOI: 10.2147/copd.s222195] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 11/13/2019] [Indexed: 12/15/2022] Open
Abstract
Purpose Elastin peptides (EP) can induce lung inflammation and emphysema. Erythromycin has been shown to decrease acute exacerbation frequency and delay lung function decline in chronic obstructive pulmonary disease patients and ameliorate emphysema in murine models; however, the mechanism remains unclear. We aimed to observe the preventive and immunomodulatory effects of erythromycin in a mouse model of EP-induced emphysema. Methods In the in vivo study, Balb/c mice were treated with EP intranasally on day 0, and then administered erythromycin (100 mg/kg) or vehicle orally on day 1, which was continued every other day. Mice exposed to cigarette smoke were used as an emphysema positive control. The severity of emphysema and inflammation in the lungs of EP-exposed mice with or without erythromycin treatment were observed on day 40 after EP administration. In the in vitro study, naïve CD4+T cells were isolated from healthy mice spleens and stimulated by EP with or without erythromycin incubation. Flow cytometry was used to measure the proportions of Th1, Th17, and Treg cells. ELISA was used to detect cytokine levels of IFN-γ, IL-17, IL-6, and TGF-β. Transcript levels of Ifnγ, IL17a, and Foxp3 were evaluated by qRT-PCR. Results After exposure to EP, Th1 and Th17 cell percentages and the levels of inflammatory cytokines increased in vivo and in vitro, while Treg cells decreased in vivo. Erythromycin reduced IFN-γ, IL-17, IL-6 inflammatory cytokines, MLI, and the inflammation score in the lungs of EP-exposed mice. In vitro, erythromycin also limited Th17 and Th1 cell differentiation and downregulated transcript levels of Ifnγ and IL17a in the EP-stimulated CD4+T cells. Conclusion The Th1 and Th17 cell responses were increased in EP-induced emphysema. Prophylactic use of erythromycin effectively ameliorated emphysema and modulated CD4+T cells responses in EP-induced lung inflammation in mice.
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Affiliation(s)
- Shudan Tang
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Tingting Ma
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Hui Zhang
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Jianquan Zhang
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Xiaoning Zhong
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Caimei Tan
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Ye Qiu
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Wen Zeng
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
| | - Xin Feng
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, People's Republic of China
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15
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The role of elastin-derived peptides in human physiology and diseases. Matrix Biol 2019; 84:81-96. [PMID: 31295577 DOI: 10.1016/j.matbio.2019.07.004] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 07/03/2019] [Accepted: 07/07/2019] [Indexed: 12/12/2022]
Abstract
Once considered as inert, the extracellular matrix recently revealed to be biologically active. Elastin is one of the most important components of the extracellular matrix. Many vital organs including arteries, lungs and skin contain high amounts of elastin to assure their correct function. Physiologically, the organism contains a determined quantity of elastin from the early development which may remain physiologically constant due to its very long half-life and very low turnover. Taking into consideration the continuously ongoing challenges during life, there is a physiological degradation of elastin into elastin-derived peptides which is accentuated in several disease states such as obstructive pulmonary diseases, atherosclerosis and aortic aneurysm. These elastin-derived peptides have been shown to have various biological effects mediated through their interaction with their cognate receptor called elastin receptor complex eliciting several signal transduction pathways. In this review, we will describe the production and the biological effects of elastin-derived peptides in physiology and pathology.
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16
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Miekus N, Luise C, Sippl W, Baczek T, Schmelzer CEH, Heinz A. MMP-14 degrades tropoelastin and elastin. Biochimie 2019; 165:32-39. [PMID: 31278967 DOI: 10.1016/j.biochi.2019.07.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 07/01/2019] [Indexed: 12/14/2022]
Abstract
Matrix metalloproteinases are a class of enzymes, which degrade extracellular matrix components such as collagens, elastin, laminin or fibronectin. So far, four matrix metalloproteinases have been shown to degrade elastin and its precursor tropoelastin, namely matrix metalloproteinase-2, -7, -9 and -12. This study focuses on investigating the elastinolytic capability of membrane-type 1 matrix metalloproteinase, also known as matrix metalloproteinase-14. We digested recombinant human tropoelastin and human skin elastin with matrix metalloproteinase-14 and analyzed the peptide mixtures using complementary mass spectrometric techniques and bioinformatics tools. The results and additional molecular docking studies show that matrix metalloproteinase-14 cleaves tropoelastin as well as elastin. While tropoelastin was well degraded, fewer cleavages occurred in the highly cross-linked mature elastin. The study also provides insights into the cleavage preferences of the enzyme. Similar to cleavage preferences of matrix metalloproteinases-2, -7, -9 and -12, matrix metalloproteinase-14 prefers small and medium-sized hydrophobic residues including Gly, Ala, Leu and Val at cleavage site P1'. Pro, Gly and Ala were preferably found at P1-P4 and P2'-P4' in both tropoelastin and elastin. Cleavage of mature skin elastin by matrix metalloproteinase-14 released a variety of bioactive elastin peptides, which indicates that the enzyme may play a role in the development and progression of cardiovascular diseases that go along with elastin breakdown.
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Affiliation(s)
- Natalia Miekus
- Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany; Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland; Department of Animal and Human Physiology, Faculty of Biology, University of Gdańsk, Gdańsk, Poland
| | - Chiara Luise
- Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Wolfgang Sippl
- Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Tomasz Baczek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Gdańsk, Poland
| | - Christian E H Schmelzer
- Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany; Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Halle (Saale), Germany
| | - Andrea Heinz
- Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany; Department of Pharmacy, LEO Foundation Center for Cutaneous Drug Delivery, University of Copenhagen, Copenhagen, Denmark.
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17
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Bennasroune A, Romier-Crouzet B, Blaise S, Laffargue M, Efremov RG, Martiny L, Maurice P, Duca L. Elastic fibers and elastin receptor complex: Neuraminidase-1 takes the center stage. Matrix Biol 2019; 84:57-67. [PMID: 31226402 DOI: 10.1016/j.matbio.2019.06.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/11/2019] [Accepted: 06/17/2019] [Indexed: 01/02/2023]
Abstract
Extracellular matrix (ECM) has for a long time being considered as a simple architectural support for cells. It is now clear that ECM presents a fundamental influence on cells driving their phenotype and fate. This complex network is highly specialized and the different classes of macromolecules that comprise the ECM determine its biological functions. For instance, collagens are responsible for the tensile strength of tissues, proteoglycans and glycosaminoglycans are essential for hydration and resistance to compression, and glycoproteins such as laminins facilitate cell attachment. The largest structures of the ECM are the elastic fibers found in abundance in tissues suffering high mechanical constraints such as skin, lungs or arteries. These structures present a very complex composition whose core is composed of elastin surrounded by a microfibrils mantle. Elastogenesis is a tightly regulated process involving the sialidase activity of the Neuraminidase-1 (Neu-1) sub-unit of the Elastin Receptor Complex. Interestingly, Neu-1 subunit also serves as a sensor of elastin degradation via its ability to transmit elastin-derived peptides signaling. Finally, reports showing that neuraminidase activity is able to regulate TGF-β activation raises questions about a possible role for Neu-1 in elastic fibers remodeling. In this mini review, we develop the concept of the regulation of the whole life of elastic fibers through an original scope, the key role of Neu-1 sialidase enzymatic activity.
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Affiliation(s)
- Amar Bennasroune
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France
| | | | - Sébastien Blaise
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France
| | - Muriel Laffargue
- UMR INSERM 1048 I2MC, Université Paul Sabatier, Toulouse, France
| | - Roman G Efremov
- M. M. Shemyakin and Yu. A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia; Higher School of Economics, Myasnitskaya ul. 20, 101000 Moscow, Russia
| | - Laurent Martiny
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France
| | - Pascal Maurice
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France
| | - Laurent Duca
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France.
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18
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Reed HO, Wang L, Sonett J, Chen M, Yang J, Li L, Aradi P, Jakus Z, D'Armiento J, Hancock WW, Kahn ML. Lymphatic impairment leads to pulmonary tertiary lymphoid organ formation and alveolar damage. J Clin Invest 2019; 129:2514-2526. [PMID: 30946031 DOI: 10.1172/jci125044] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The lung is a specialized barrier organ that must tightly regulate interstitial fluid clearance and prevent infection in order to maintain effective gas exchange. Lymphatic vessels are important for these functions in other organs, but their roles in the lung have not been fully defined. In the present study, we addressed how the lymphatic vasculature participates in lung homeostasis. Studies using mice carrying a lymphatic reporter allele revealeded that, in contrast to other organs, lung lymphatic collecting vessels lack smooth muscle cells entirely, suggesting that forward lymph flow is highly dependent on movement and changes in pressure associated with respiration. Functional studies using CLEC2-deficient mice in which lymph flow is impaired due to loss of lympho-venous hemostasis or using inducible lung-specific ablation of lymphatic endothelial cells in a lung transplant model revealeded that loss of lymphatic function leads to an inflammatory state characterized by the formation of tertiary lymphoid organs (TLOs). In addition, impaired lymphatic flow in mice resulteds in hypoxia and features of lung injury that resemble emphysema. These findings reveal both a lung-specific mechanism of lymphatic physiology and a lung-specific consequence of lymphatic dysfunction that may contribute to chronic lung diseases that arise in association with TLO formation.
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Affiliation(s)
- Hasina Outtz Reed
- Department of Medicine and Division of Pulmonary and Critical Care.,Department of Medicine and Cardiovascular Institute, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Liqing Wang
- Department of Pathology and Laboratory Medicine, Division of Transplant Immunology, Children's Hospital of Philadelphia and University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jarrod Sonett
- Department of Anesthesiology, Center for Molecular Pulmonary Disease, College of Physicians and Surgeons, Columbia University, New York, New York, USA
| | - Mei Chen
- Department of Medicine and Cardiovascular Institute, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jisheng Yang
- Department of Medicine and Cardiovascular Institute, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Larry Li
- Department of Medicine and Cardiovascular Institute, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Petra Aradi
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary.,MTA-SE "Lendület" Lymphatic Physiology Research Group of the Hungarian Academy of Sciences and the Semmelweis University, Budapest, Hungary
| | - Zoltan Jakus
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary.,MTA-SE "Lendület" Lymphatic Physiology Research Group of the Hungarian Academy of Sciences and the Semmelweis University, Budapest, Hungary
| | - Jeanine D'Armiento
- Department of Anesthesiology, Center for Molecular Pulmonary Disease, College of Physicians and Surgeons, Columbia University, New York, New York, USA
| | - Wayne W Hancock
- Department of Pathology and Laboratory Medicine, Division of Transplant Immunology, Children's Hospital of Philadelphia and University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Mark L Kahn
- Department of Medicine and Cardiovascular Institute, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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19
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Pierre A, Lemaire F, Meghraoui-Kheddar A, Audonnet S, Héry-Huynh S, Le Naour R. Impact of aging on inflammatory and immune responses during elastin peptide-induced murine emphysema. Am J Physiol Lung Cell Mol Physiol 2019; 316:L608-L620. [PMID: 30675803 DOI: 10.1152/ajplung.00402.2018] [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] [Indexed: 11/22/2022] Open
Abstract
Deterioration of lung functions and degradation of elastin fibers with age are accelerated during chronic obstructive pulmonary disease (COPD). Excessive genesis of soluble elastin peptides (EP) is a key factor in the pathophysiology of COPD. We have previously demonstrated that 6-wk-old mice exhibited emphysematous structural changes associated with proinflammatory immune response after EP instillation. In this study, we investigated the consequences of aging on inflammatory, immune, and histological criteria associated with murine emphysema progression after EP exposure. Young (6 wk old) and elderly (15 mo old) C57BL/6J mice were endotracheally instilled with EP, and, at various time points after treatment, the inflammatory cell profiles from bronchoalveolar lavage fluids (BALF) and the T-lymphocyte phenotypes, at local and systemic levels, were analyzed by flow cytometry. Lungs were also prepared to allow morphological and histological analysis by confocal microscopy. Elderly mice exhibited an earlier development of pulmonary emphysema, characterized by an increase of the inflammatory and lymphocytic infiltrates, extracellular matrix breakdown, and airspace enlargement compared with young mice. This age-dependent parenchymal tissue remodeling was associated with an increase of the matrix metalloproteinase expressions and desmosine levels in BALF and/or sera of EP-treated mice. In addition, both the proportion of CD4+CD28- and CD8+CD28- T cells in the tissues of EP-treated mice and the interferon-γ levels in the EP-specific memory T-cell clones were significantly higher in elderly versus younger mice. This study demonstrates that aging accelerates emphysema development and that this effect is linked to increased EP production and their effects on inflammatory and immune response.
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Affiliation(s)
- Alexandre Pierre
- EA 4683, SFR CAP-Santé, Université de Reims Champagne-Ardenne , Reims , France
| | - Flora Lemaire
- EA 4683, SFR CAP-Santé, Université de Reims Champagne-Ardenne , Reims , France
| | | | - Sandra Audonnet
- Plateau Technique de Cytométrie en Flux URCACyt, Plateforme Santé, Université de Reims Champagne-Ardenne , Reims , France
| | | | - Richard Le Naour
- EA 4683, SFR CAP-Santé, Université de Reims Champagne-Ardenne , Reims , France.,Plateau Technique de Cytométrie en Flux URCACyt, Plateforme Santé, Université de Reims Champagne-Ardenne , Reims , France
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20
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Parasaram V, Nosoudi N, Chowdhury A, Vyavahare N. Pentagalloyl glucose increases elastin deposition, decreases reactive oxygen species and matrix metalloproteinase activity in pulmonary fibroblasts under inflammatory conditions. Biochem Biophys Res Commun 2018; 499:24-29. [PMID: 29550472 DOI: 10.1016/j.bbrc.2018.03.100] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 03/13/2018] [Indexed: 12/11/2022]
Abstract
Emphysema is characterized by degradation of lung alveoli that leads to poor airflow in lungs. Irreversible elastic fiber degradation by matrix metalloproteinases (MMPs) and reactive oxygen species (ROS) activity leads to loss of elasticity and drives the progression of this disease. We investigated if a polyphenol, pentagalloyl glucose (PGG) can increase elastin production in pulmonary fibroblasts. We also studied the effect of PGG treatment in reducing MMP activity and ROS levels in cells. We exposed rat pulmonary fibroblasts to two different types of inflammatory environments i.e., tumor necrosis factor-α (TNF-α) and cigarette smoke extract (CSE) to mimic the disease. Parameters like lysyl oxidase (LOX) and elastin gene expression, MMP-9 activity in the medium, lysyl oxidase (LOX) activity and ROS levels were studied to assess the effect of PGG on pulmonary fibroblasts. CSE inhibited lysyl oxidase (LOX) enzyme activity that resulted in a decreased elastin formation. Similarly, TNF-α treated cells showed less elastin in the cell layers. Both these agents caused increase in MMP activity and ROS levels in cells. However, when supplemented with PGG treatment along with these two inflammatory agents, we saw a significant increase in elastin deposition, reduction in both MMP activity and ROS levels. Thus PGG, which has anti-inflammatory, anti-oxidant properties coupled with its ability to aid in elastic fiber formation, can be a multifunctional drug to potentially arrest the progression of emphysema.
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Affiliation(s)
| | - Nasim Nosoudi
- Department of Biomedical, Industrial and Human Factors Engineering, Wright State University, OH, United States
| | - Aniqa Chowdhury
- Department of Bioengineering, Clemson University, SC, United States
| | - Naren Vyavahare
- Department of Bioengineering, Clemson University, SC, United States.
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21
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Meghraoui-Kheddar A, Pierre A, Sellami M, Audonnet S, Lemaire F, Le Naour R. Elastin receptor (S-gal) occupancy by elastin peptides modulates T-cell response during murine emphysema. Am J Physiol Lung Cell Mol Physiol 2017; 313:L534-L547. [DOI: 10.1152/ajplung.00465.2016] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 05/04/2017] [Accepted: 05/27/2017] [Indexed: 11/22/2022] Open
Abstract
Chronic obstructive pulmonary disease and emphysema are associated with increased elastin peptides (EP) production because of excessive breakdown of lung connective tissue. We recently reported that exposure of mice to EP elicited hallmark features of emphysema. EP effects are largely mediated through a receptor complex that includes the elastin-binding protein spliced-galactosidase (S-gal). In previous studies, we established a correlation between cytokine production and S-gal protein expression in EP-treated immune cells. In this study, we investigated the S-gal-dependent EP effects on T-helper (Th) and T-cytotoxic (Tc) responses during murine EP-triggered pulmonary inflammation. C57BL/6J mice were endotracheally instilled with the valine-glycine-valine-alanine-proline-glycine (VGVAPG) elastin peptide, and, 21 days after treatment, local and systemic T-lymphocyte phenotypes were analyzed at cytokine and transcription factor expression levels by multicolor flow cytometry. Exposure of mice to the VGVAPG peptide resulted in a significant increase in the proportion of the CD4+ and CD8+ T cells expressing the cytokines IFN-γ or IL-17a and the transcription factors T-box expressed in T cells or retinoic acid-related orphan receptor-γt (RORγt) without effects on IL-4 and Gata-binding protein 3 to DNA sequence [A/T]GATA[A/G] expression. These effects were maximized when each T-cell subpopulation was challenged ex vivo with EP, and they were inhibited in vivo when an analogous peptide antagonizing the EP/S-gal interactions was instilled together with the VGVAPG peptide. This study demonstrates that, during murine emphysema, EP-S-gal interactions contribute to a Th-1 and Th-17 proinflammatory T-cell response combined with a Tc-1 response. Our study also highlights the S-gal receptor as a putative pharmacological target to modulate such an immune response.
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Affiliation(s)
| | - Alexandre Pierre
- EA4683, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France; and
| | - Mehdi Sellami
- EA4683, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France; and
| | - Sandra Audonnet
- Plateau Technique de Cytométrie en Flux, Plateforme Santé, Université de Reims Champagne-Ardenne, Reims, France
| | - Flora Lemaire
- EA4683, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France; and
| | - Richard Le Naour
- EA4683, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France; and
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22
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Polverino F, Seys LJM, Bracke KR, Owen CA. B cells in chronic obstructive pulmonary disease: moving to center stage. Am J Physiol Lung Cell Mol Physiol 2016; 311:L687-L695. [PMID: 27542809 DOI: 10.1152/ajplung.00304.2016] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Accepted: 08/15/2016] [Indexed: 12/22/2022] Open
Abstract
Chronic inflammatory responses in the lungs contribute to the development and progression of chronic obstructive pulmonary disease (COPD). Although research studies focused initially on the contributions of the innate immune system to the pathogenesis of COPD, more recent studies have implicated adaptive immune responses in COPD. In particular, studies have demonstrated increases in B cell counts and increases in the number and size of B cell-rich lymphoid follicles in COPD lungs that correlate directly with COPD severity. There are also increases in lung levels of mediators that promote B cell maturation, activation, and survival in COPD patients. B cell products such as autoantibodies directed against lung cells, components of cells, and extracellular matrix proteins are also present in COPD lungs. These autoantibodies may contribute to lung inflammation and injury in COPD patients, in part, by forming immune complexes that activate complement components. Studies of B cell-deficient mice and human COPD patients have linked B cells most strongly to the emphysema phenotype. However, B cells have protective activities during acute exacerbations of COPD by promoting adaptive immune responses that contribute to host defense against pathogens. This review outlines the evidence that links B cells and B cell-rich lymphoid follicles to the pathogenesis of COPD and the mechanisms involved. It also reviews the potential and limitations of B cells as therapeutic targets to slow the progression of human COPD.
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Affiliation(s)
- Francesca Polverino
- Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts; COPD Program, Lovelace Respiratory Research Institute, Albuquerque, New Mexico; University of Parma, Parma, Italy; and
| | - Leen J M Seys
- 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
| | - Caroline A Owen
- Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts; COPD Program, Lovelace Respiratory Research Institute, Albuquerque, New Mexico;
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