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Raftery AL, O'Brien CA, Shad A, L'Estrange-Stranieri E, Hsu AT, Jacobsen EA, Harris NL, Tsantikos E, Hibbs ML. Activated eosinophils in early-life impair lung development and promote long-term lung damage. Mucosal Immunol 2024:S1933-0219(24)00057-6. [PMID: 38901764 DOI: 10.1016/j.mucimm.2024.06.003] [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: 12/04/2023] [Revised: 05/21/2024] [Accepted: 06/05/2024] [Indexed: 06/22/2024]
Abstract
Exaggeration of type 2 immune responses promotes lung inflammation and altered lung development; however, eosinophils, despite expansion in the postnatal lung, have not been specifically assessed in the context of neonatal lung disease. Furthermore, early-life factors including prematurity and respiratory infection predispose infants to chronic obstructive pulmonary disease later in life. To assess eosinophils in the developing lung and how they may contribute to chronic lung disease, we generated mice harboring eosinophil-specific deletion of the negative regulatory enzyme SHIP-1. This increased the activity and number of pulmonary eosinophils in the developing lung, which was associated with impaired lung development, expansion of activated alveolar macrophages (AMφ), multinucleated giant cell formation, enlargement of airspaces, and fibrosis. Despite regression of eosinophils following completion of lung development, AMφ-dominated inflammation persisted, alongside lung damage. Bone marrow chimera studies showed that SHIP-1-deficient eosinophils were not sufficient to drive inflammatory lung disease in adult steady-state mice but once inflammation and damage was present, it could not be resolved. Depletion of eosinophils during alveolarization alleviated pulmonary inflammation and lung pathology, demonstrating an eosinophil-intrinsic effect. These results show that the presence of activated eosinophils during alveolarization aggravates AMφs and promotes sustained inflammation and long-lasting lung pathology.
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Affiliation(s)
- April L Raftery
- Department of Immunology, School of Translational Medicine, Monash University, Melbourne, Victoria, Australia
| | - Caitlin A O'Brien
- Department of Immunology, School of Translational Medicine, Monash University, Melbourne, Victoria, Australia
| | - Ali Shad
- Department of Immunology, School of Translational Medicine, Monash University, Melbourne, Victoria, Australia
| | - Elan L'Estrange-Stranieri
- Department of Immunology, School of Translational Medicine, Monash University, Melbourne, Victoria, Australia
| | - Amy T Hsu
- Department of Immunology, School of Translational Medicine, Monash University, Melbourne, Victoria, Australia
| | - Elizabeth A Jacobsen
- Division of Allergy, Asthma and Clinical Immunology, Department of Medicine, Mayo Clinic Arizona, Scottsdale, Arizona, USA
| | - Nicola L Harris
- Department of Immunology, School of Translational Medicine, Monash University, Melbourne, Victoria, Australia
| | - Evelyn Tsantikos
- Department of Immunology, School of Translational Medicine, Monash University, Melbourne, Victoria, Australia
| | - Margaret L Hibbs
- Department of Immunology, School of Translational Medicine, Monash University, Melbourne, Victoria, Australia.
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Joshi A, Nigam A, Narayan Mudgal L, Mondal B, Basak T. ColPTMScape: An open access knowledge base for tissue-specific collagen PTM maps. Matrix Biol Plus 2024; 22:100144. [PMID: 38469247 PMCID: PMC10926295 DOI: 10.1016/j.mbplus.2024.100144] [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: 12/07/2023] [Revised: 02/26/2024] [Accepted: 02/26/2024] [Indexed: 03/13/2024] Open
Abstract
Collagen is a key component of the extracellular matrix (ECM). In the remodeling of ECM, a remarkable variation in collagen post-translational modifications (PTMs) occurs. This makes collagen a potential target for understanding extracellular matrix remodeling during pathological conditions. Over the years, scientists have gathered a huge amount of data about collagen PTM during extracellular matrix remodeling. To make such information easily accessible in a consolidated space, we have developed ColPTMScape (https://colptmscape.iitmandi.ac.in/), a dedicated knowledge base for collagen PTMs. The identified site-specific PTMs, quantitated PTM sites, and PTM maps of collagen chains are deliverables to the scientific community, especially to matrix biologists. Through this knowledge base, users can easily gain information related to the difference in the collagen PTMs across different tissues in different organisms.
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Affiliation(s)
- Ashutosh Joshi
- School of Biosciences and Bioengineering, Indian Institute of Technology (IIT) Mandi, Himachal Pradesh 175075, India
| | - Ayush Nigam
- School of Biosciences and Bioengineering, Indian Institute of Technology (IIT) Mandi, Himachal Pradesh 175075, India
| | - Lalit Narayan Mudgal
- School of Biosciences and Bioengineering, Indian Institute of Technology (IIT) Mandi, Himachal Pradesh 175075, India
| | - Bhaskar Mondal
- School of Chemical Sciences, Indian Institute of Technology (IIT) Mandi, Himachal Pradesh 175075, India
| | - Trayambak Basak
- School of Biosciences and Bioengineering, Indian Institute of Technology (IIT) Mandi, Himachal Pradesh 175075, India
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Del Duca E, Dahabreh D, Kim M, Bar J, Da Rosa JC, Rabinowitz G, Facheris P, Gómez-Arias PJ, Chang A, Utti V, Chowdhury A, Liu Y, Estrada YD, Laculiceanu A, Agache I, Guttman-Yassky E. Transcriptomic evaluation of skin tape-strips in children with allergic asthma uncovers epidermal barrier dysfunction and asthma-associated biomarkers abnormalities. Allergy 2024; 79:1516-1530. [PMID: 38375886 DOI: 10.1111/all.16060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 01/08/2024] [Accepted: 02/01/2024] [Indexed: 02/21/2024]
Abstract
INTRODUCTION Tape-strips, a minimally invasive method validated for the evaluation of several skin diseases, may help identify asthma-specific biomarkers in the skin of children with allergic asthma. METHODS Skin tape-strips were obtained and analyzed with RNA-Seq from children with moderate allergic asthma (MAA) (n = 11, mean age 7.00; SD = 1.67), severe allergic asthma (SAA) (n = 9, mean age 9.11; SD = 2.37), and healthy controls (HCs) (n = 12, mean age 7.36; SD = 2.03). Differentially expressed genes (DEGs) were identified by fold change ≥2 with a false discovery rate <0.05. Transcriptomic biomarkers were analyzed for their accuracy in distinguishing asthma from HCs, their relationships with asthma-related outcomes (exacerbation rate, lung function-FEV1, IOS-R5-20, and lung inflammation-FeNO), and their links to skin (barrier and immune response) and lung (remodeling, metabolism, aging) pathogenetic pathways. RESULTS RNA-Seq captured 1113 in MAA and 2117 DEGs in SAA. Epidermal transcriptomic biomarkers for terminal differentiation (FLG/filaggrin), cell adhesion (CDH19, JAM2), lipid biosynthesis/metabolism (ACOT2, LOXL2) were significantly downregulated. Gene set variation analysis revealed enrichment of Th1/IFNγ pathways (p < .01). MAA and SAA shared downregulation of G-protein-coupled receptor (OR4A16, TAS1R3), upregulation of TGF-β/ErbB signaling-related (ACVR1B, EGFR, ID1/2), and upregulation of mitochondrial-related (HIGD2A, VDAC3, NDUFB9) genes. Skin transcriptomic biomarkers correlated with the annualized exacerbation rate and with lung function parameters. A two-gene classifier (TSSC4-FAM212B) was able to differentiate asthma from HCs with 100% accuracy. CONCLUSION Tape-strips detected epithelial barrier and asthma-associated signatures in normal-appearing skin from children with allergic asthma and may serve as an alternative to invasive approaches for evaluating asthma endotypes.
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Affiliation(s)
- Ester Del Duca
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
- Dermatology Clinic, Department of Clinical Internal, Anesthesiological and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy
| | - Dante Dahabreh
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
| | - Madeline Kim
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
| | - Jonathan Bar
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
| | - Joel Correa Da Rosa
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
| | - Grace Rabinowitz
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
| | - Paola Facheris
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
- Department of Dermatology, IRCCS Humanitas Research Hospital, Milan, Italy
| | - Pedro Jesús Gómez-Arias
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
- Department of Dermatology, Reina Sofía University Hospital, Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Cordoba, Spain
| | - Annie Chang
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
| | - Vivian Utti
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
| | - Amira Chowdhury
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
| | - Ying Liu
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
| | - Yeriel D Estrada
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
| | - Alexandru Laculiceanu
- Department of Allergy and Clinical Immunology, Transylvania University, Brasov, Romania
| | - Ioana Agache
- Department of Allergy and Clinical Immunology, Transylvania University, Brasov, Romania
| | - Emma Guttman-Yassky
- Department of Dermatology, Icahn School of Medicine at the Mount Sinai, New York, New York, USA
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Chang L, Chen Q, Wang B, Liu J, Zhang M, Zhu W, Jiang J. Single cell RNA analysis uncovers the cell differentiation and functionalization for air breathing of frog lung. Commun Biol 2024; 7:665. [PMID: 38816547 PMCID: PMC11139932 DOI: 10.1038/s42003-024-06369-1] [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: 10/11/2023] [Accepted: 05/21/2024] [Indexed: 06/01/2024] Open
Abstract
The evolution and development of vertebrate lungs have been widely studied due to their significance in terrestrial adaptation. Amphibians possess the most primitive lungs among tetrapods, underscoring their evolutionary importance in bridging the transition from aquatic to terrestrial life. However, the intricate process of cell differentiation during amphibian lung development remains poorly understood. Using single-cell RNA sequencing, we identify 13 cell types in the developing lungs of a land-dwelling frog (Microhyla fissipes). We elucidate the differentiation trajectories and mechanisms of mesenchymal cells, identifying five cell fates and their respective driver genes. Using temporal dynamics analyses, we reveal the gene expression switches of epithelial cells, which facilitate air breathing during metamorphosis. Furthermore, by integrating the published data from another amphibian and two terrestrial mammals, we illuminate both conserved and divergent cellular repertoires during the evolution of tetrapod lungs. These findings uncover the frog lung cell differentiation trajectories and functionalization for breathing in air and provide valuable insights into the cell-type evolution of vertebrate lungs.
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Affiliation(s)
- Liming Chang
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, Sichuan, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qiheng Chen
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, Sichuan, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Bin Wang
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, Sichuan, China
| | - Jiongyu Liu
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, Sichuan, China
| | - Meihua Zhang
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, Sichuan, China
| | - Wei Zhu
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, Sichuan, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Jianping Jiang
- CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, Sichuan, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
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Al-Husinat L, Azzam S, Al Sharie S, Al Sharie AH, Battaglini D, Robba C, Marini JJ, Thornton LT, Cruz FF, Silva PL, Rocco PRM. Effects of mechanical ventilation on the interstitial extracellular matrix in healthy lungs and lungs affected by acute respiratory distress syndrome: a narrative review. Crit Care 2024; 28:165. [PMID: 38750543 PMCID: PMC11094887 DOI: 10.1186/s13054-024-04942-y] [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: 01/17/2024] [Accepted: 05/06/2024] [Indexed: 05/19/2024] Open
Abstract
BACKGROUND Mechanical ventilation, a lifesaving intervention in critical care, can lead to damage in the extracellular matrix (ECM), triggering inflammation and ventilator-induced lung injury (VILI), particularly in conditions such as acute respiratory distress syndrome (ARDS). This review discusses the detailed structure of the ECM in healthy and ARDS-affected lungs under mechanical ventilation, aiming to bridge the gap between experimental insights and clinical practice by offering a thorough understanding of lung ECM organization and the dynamics of its alteration during mechanical ventilation. MAIN TEXT Focusing on the clinical implications, we explore the potential of precise interventions targeting the ECM and cellular signaling pathways to mitigate lung damage, reduce inflammation, and ultimately improve outcomes for critically ill patients. By analyzing a range of experimental studies and clinical papers, particular attention is paid to the roles of matrix metalloproteinases (MMPs), integrins, and other molecules in ECM damage and VILI. This synthesis not only sheds light on the structural changes induced by mechanical stress but also underscores the importance of cellular responses such as inflammation, fibrosis, and excessive activation of MMPs. CONCLUSIONS This review emphasizes the significance of mechanical cues transduced by integrins and their impact on cellular behavior during ventilation, offering insights into the complex interactions between mechanical ventilation, ECM damage, and cellular signaling. By understanding these mechanisms, healthcare professionals in critical care can anticipate the consequences of mechanical ventilation and use targeted strategies to prevent or minimize ECM damage, ultimately leading to better patient management and outcomes in critical care settings.
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Affiliation(s)
- Lou'i Al-Husinat
- Department of Clinical Sciences, Faculty of Medicine, Yarmouk University, Irbid, Jordan
| | - Saif Azzam
- Faculty of Medicine, Yarmouk University, Irbid, Jordan
| | | | - Ahmed H Al Sharie
- Department of Pathology and Microbiology, Jordan University of Science and Technology, Irbid, Jordan
| | - Denise Battaglini
- Anesthesia and Intensive Care, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Chiara Robba
- Anesthesia and Intensive Care, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
- Dipartimento di Scienze Chirurgiche e Diagnostiche, Università Degli Studi di Genova, Genoa, Italy
| | - John J Marini
- Department of Pulmonary and Critical Care Medicine, University of Minnesota, Minneapolis, St Paul, MN, USA
| | - Lauren T Thornton
- Department of Pulmonary and Critical Care Medicine, University of Minnesota, Minneapolis, St Paul, MN, USA
| | - Fernanda F Cruz
- Laboratory of Pulmonary Investigation, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Pedro L Silva
- Laboratory of Pulmonary Investigation, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Patricia R M Rocco
- Laboratory of Pulmonary Investigation, Institute of Biophysics Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
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Caputo LDS, Alves CDL, Laranjeira IM, Fonseca-Rodrigues D, da Silva Filho AA, Dias ACP, Pinto-Ribeiro F, Pereira Junior ODS, de Paula ACC, Nagato AC, Corrêa JODA. Copaiba oil minimizes inflammation and promotes parenchyma re-epithelization in acute allergic asthma model induced by ovalbumin in BALB/c mice. Front Pharmacol 2024; 15:1356598. [PMID: 38666018 PMCID: PMC11043548 DOI: 10.3389/fphar.2024.1356598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 03/18/2024] [Indexed: 04/28/2024] Open
Abstract
Introduction: Asthma is a condition of airflow limitation, common throughout the world, with high mortality rates, especially as it still faces some obstacles in its management. As it constitutes a public health challenge, this study aimed to investigate the effect of copaiba oil (e.g., Copaifera langsdorffii), as a treatment resource, at doses of 50 and 100 mg/kg on certain mediators of acute lung inflammation (IL-33, GATA3, FOXP3, STAT3, and TBET) and early mechanisms of lung remodeling (degradation of elastic fiber tissues, collagen deposition, and goblet cell hyperplasia). Methods: Using an ovalbumin-induced acute allergic asthma model in BALB/c mice, we analyzed the inflammatory mediators through immunohistochemistry and the mechanisms of lung remodeling through histopathology, employing orcein, Masson's trichrome, and periodic acid-Schiff staining. Results: Copaiba oil treatment (CO) reduced IL-33 and increased FOXP3 by stimulating the FOXP3/GATA3 and FOXP3/STAT3 pathways. Additionally, it upregulated TBET, suggesting an additional role in controlling GATA3 activity. In the respiratory epithelium, CO decreased the fragmentation of elastic fibers while increasing the deposition of collagen fibers, favoring epithelial restructuring. Simultaneously, CO reduced goblet cell hyperplasia. Discussion: Although additional research is warranted, the demonstrated anti-inflammatory and re-epithelializing action makes CO a viable option in exploring new treatments for acute allergic asthma.
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Affiliation(s)
- Ludmila de Souza Caputo
- Department of Pharmaceutical Sciences, Federal University of Juiz de Fora, Juiz de Fora, Brazil
| | - Carolina de Lima Alves
- Department of Pharmaceutical Sciences, Federal University of Juiz de Fora, Juiz de Fora, Brazil
| | - Inês Martins Laranjeira
- Life and Health Sciences Research Institute, ICVS, School of Medicine, Campus of Gualtar, University of Minho, Braga, Portugal
- ICVS/3B‟s - PT Government Associate Laboratory, Braga, Portugal
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences, CITAB, University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
- Centre of Molecular and Environmental Biology, CBMA, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Diana Fonseca-Rodrigues
- Life and Health Sciences Research Institute, ICVS, School of Medicine, Campus of Gualtar, University of Minho, Braga, Portugal
- ICVS/3B‟s - PT Government Associate Laboratory, Braga, Portugal
| | | | - Alberto Carlos Pires Dias
- Centre of Molecular and Environmental Biology, CBMA, University of Minho, Campus de Gualtar, Braga, Portugal
| | - Filipa Pinto-Ribeiro
- Life and Health Sciences Research Institute, ICVS, School of Medicine, Campus of Gualtar, University of Minho, Braga, Portugal
- ICVS/3B‟s - PT Government Associate Laboratory, Braga, Portugal
| | | | | | - Akinori Cardozo Nagato
- Department of Physiology, Federal University of Juiz de Fora, UFJF, Juiz de Fora, Brazil
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Licciardello M, Traldi C, Cicolini M, Bertana V, Marasso SL, Cocuzza M, Tonda-Turo C, Ciardelli G. A miniaturized multicellular platform to mimic the 3D structure of the alveolar-capillary barrier. Front Bioeng Biotechnol 2024; 12:1346660. [PMID: 38646009 PMCID: PMC11026571 DOI: 10.3389/fbioe.2024.1346660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 03/22/2024] [Indexed: 04/23/2024] Open
Abstract
Several diseases affect the alveoli, and the efficacy of medical treatments and pharmaceutical therapies is hampered by the lack of pre-clinical models able to recreate in vitro the diseases. Microfluidic devices, mimicking the key structural and compositional features of the alveoli, offer several advantages to medium and high-throughput analysis of new candidate therapies. Here, we developed an alveolus-on-a-chip recapitulating the microanatomy of the physiological tissue by including the epithelium, the fibrous interstitial layer and the capillary endothelium. A PDMS device was obtained assembling a top layer and a bottom layer obtained by replica molding. A polycaprolactone/gelatin (PCL-Gel) electrospun membrane was included within the two layers supporting the seeding of 3 cell phenotypes. Epithelial cells were grown on a fibroblast-laden collagen hydrogel located on the top side of the PCL-Gel mats while endothelial cells were seeded on the basolateral side of the membrane. The innovative design of the microfluidic device allows to replicate both cell-cell and cell-extracellular matrix interactions according to the in vivo cell arrangement along with the establishment of physiologically relevant air-liquid interface conditions. Indeed, high cell viability was confirmed for up to 10 days and the formation of a tight endothelial and epithelial barrier was assessed by immunofluorescence assays.
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Affiliation(s)
- Michela Licciardello
- La.Di.Spe Bioengineerig, Politecnico di Torino, Department of Mechanical and Aerospace Engineering, Turin, Italy
- PolitoBIOMed Lab, Politecnico di Torino, Turin, Italy
- Interuniversity Center for the Promotion of the 3Rs Principles in Teaching and Research, Italy
| | - Cecilia Traldi
- La.Di.Spe Bioengineerig, Politecnico di Torino, Department of Mechanical and Aerospace Engineering, Turin, Italy
- PolitoBIOMed Lab, Politecnico di Torino, Turin, Italy
- Interuniversity Center for the Promotion of the 3Rs Principles in Teaching and Research, Italy
| | - Martina Cicolini
- PolitoBIOMed Lab, Politecnico di Torino, Turin, Italy
- ChiLab- Materials and Microsystems Laboratory, Politecnico di Torino, Department of Applied Science and Technology (DISAT), Chivasso, Italy
| | - Valentina Bertana
- ChiLab- Materials and Microsystems Laboratory, Politecnico di Torino, Department of Applied Science and Technology (DISAT), Chivasso, Italy
| | - Simone Luigi Marasso
- ChiLab- Materials and Microsystems Laboratory, Politecnico di Torino, Department of Applied Science and Technology (DISAT), Chivasso, Italy
- CNR-IMEM, National Research Council-Institute of Materials for Electronics and Magnetism, Parma, Italy
| | - Matteo Cocuzza
- ChiLab- Materials and Microsystems Laboratory, Politecnico di Torino, Department of Applied Science and Technology (DISAT), Chivasso, Italy
| | - Chiara Tonda-Turo
- La.Di.Spe Bioengineerig, Politecnico di Torino, Department of Mechanical and Aerospace Engineering, Turin, Italy
- PolitoBIOMed Lab, Politecnico di Torino, Turin, Italy
- Interuniversity Center for the Promotion of the 3Rs Principles in Teaching and Research, Italy
| | - Gianluca Ciardelli
- La.Di.Spe Bioengineerig, Politecnico di Torino, Department of Mechanical and Aerospace Engineering, Turin, Italy
- PolitoBIOMed Lab, Politecnico di Torino, Turin, Italy
- Interuniversity Center for the Promotion of the 3Rs Principles in Teaching and Research, Italy
- CNR-IPCF, National Research Council-Institute for Chemical and Physical Processes, Pisa, Italy
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8
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Burgess JK, Weiss DJ, Westergren-Thorsson G, Wigen J, Dean CH, Mumby S, Bush A, Adcock IM. Extracellular Matrix as a Driver of Chronic Lung Diseases. Am J Respir Cell Mol Biol 2024; 70:239-246. [PMID: 38190723 DOI: 10.1165/rcmb.2023-0176ps] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 01/05/2024] [Indexed: 01/10/2024] Open
Abstract
The extracellular matrix (ECM) is not just a three-dimensional scaffold that provides stable support for all cells in the lungs, but also an important component of chronic fibrotic airway, vascular, and interstitial diseases. It is a bioactive entity that is dynamically modulated during tissue homeostasis and disease, that controls structural and immune cell functions and drug responses, and that can release fragments that have biological activity and that can be used to monitor disease activity. There is a growing recognition of the importance of considering ECM changes in chronic airway, vascular, and interstitial diseases, including 1) compositional changes, 2) structural and organizational changes, and 3) mechanical changes and how these affect disease pathogenesis. As altered ECM biology is an important component of many lung diseases, disease models must incorporate this factor to fully recapitulate disease-driver pathways and to study potential novel therapeutic interventions. Although novel models are evolving that capture some or all of the elements of the altered ECM microenvironment in lung diseases, opportunities exist to more fully understand cell-ECM interactions that will help devise future therapeutic targets to restore function in chronic lung diseases. In this perspective article, we review evolving knowledge about the ECM's role in homeostasis and disease in the lung.
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Affiliation(s)
- Janette K Burgess
- Department of Pathology and Medical Biology
- Groningen Research Institute for Asthma and COPD, and
- W.J. Kolff Institute for Biomedical Engineering and Materials Science, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Daniel J Weiss
- Department of Medicine, University of Vermont, Burlington, Vermont
| | | | - Jenny Wigen
- Lung Biology Unit, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Charlotte H Dean
- National Heart and Lung Institute, Imperial College London, London, United Kingdom; and
| | - Sharon Mumby
- National Heart and Lung Institute, Imperial College London, London, United Kingdom; and
| | - Andrew Bush
- National Heart and Lung Institute, Imperial College London, London, United Kingdom; and
- Centre for Pediatrics and Child Health, Imperial College and Royal Brompton Hospital, London, United Kingdom
| | - Ian M Adcock
- National Heart and Lung Institute, Imperial College London, London, United Kingdom; and
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9
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Noro J, Vilaça-Faria H, Reis RL, Pirraco RP. Extracellular matrix-derived materials for tissue engineering and regenerative medicine: A journey from isolation to characterization and application. Bioact Mater 2024; 34:494-519. [PMID: 38298755 PMCID: PMC10827697 DOI: 10.1016/j.bioactmat.2024.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/19/2023] [Accepted: 01/03/2024] [Indexed: 02/02/2024] Open
Abstract
Biomaterial choice is an essential step during the development tissue engineering and regenerative medicine (TERM) applications. The selected biomaterial must present properties allowing the physiological-like recapitulation of several processes that lead to the reestablishment of homeostatic tissue or organ function. Biomaterials derived from the extracellular matrix (ECM) present many such properties and their use in the field has been steadily increasing. Considering this growing importance, it becomes imperative to provide a comprehensive overview of ECM biomaterials, encompassing their sourcing, processing, and integration into TERM applications. This review compiles the main strategies used to isolate and process ECM-derived biomaterials as well as different techniques used for its characterization, namely biochemical and chemical, physical, morphological, and biological. Lastly, some of their applications in the TERM field are explored and discussed.
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Affiliation(s)
- Jennifer Noro
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's – PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Helena Vilaça-Faria
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's – PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Rui L. Reis
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's – PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Rogério P. Pirraco
- 3B's Research Group, I3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco, Guimarães, Portugal
- ICVS/3B's – PT Government Associate Laboratory, Braga, Guimarães, Portugal
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10
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Estrach S, Vivier CM, Féral CC. ECM and epithelial stem cells: the scaffold of destiny. Front Cell Dev Biol 2024; 12:1359585. [PMID: 38572486 PMCID: PMC10987781 DOI: 10.3389/fcell.2024.1359585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 03/08/2024] [Indexed: 04/05/2024] Open
Abstract
Adult stem cells play a critical role in maintaining tissue homeostasis and promoting longevity. The intricate organization and presence of common markers among adult epithelial stem cells in the intestine, lung, and skin serve as hallmarks of these cells. The specific location pattern of these cells within their respective organs highlights the significance of the niche in which they reside. The extracellular matrix (ECM) not only provides physical support but also acts as a reservoir for various biochemical and biophysical signals. We will consider differences in proliferation, repair, and regenerative capacities of the three epithelia and review how environmental cues emerging from the niche regulate cell fate. These cues are transduced via mechanosignaling, regulating gene expression, and bring us to the concept of the fate scaffold. Understanding both the analogies and discrepancies in the mechanisms that govern stem cell fate in various organs can offer valuable insights for rejuvenation therapy and tissue engineering.
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Affiliation(s)
- Soline Estrach
- INSERM, CNRS, IRCAN, Université Côte d’Azur, Nice, France
| | | | - Chloé C. Féral
- INSERM, CNRS, IRCAN, Université Côte d’Azur, Nice, France
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11
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Iyer KS, Maruri DP, Schmidtke DW, Petroll WM, Varner VD. Treatment with both TGF-β1 and PDGF-BB disrupts the stiffness-dependent myofibroblast differentiation of corneal keratocytes. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.29.582803. [PMID: 38496568 PMCID: PMC10942298 DOI: 10.1101/2024.02.29.582803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
During corneal wound healing, stromal keratocytes transform into a repair phenotype that is driven by the release of cytokines, like transforming growth factor-beta 1 (TGF-β1) and platelet-derived growth factor-BB (PDGF-BB). Previous work has shown that TGF-β1 promotes the myofibroblast differentiation of corneal keratocytes in a manner that depends on PDGF signaling. In addition, changes in mechanical properties are known to regulate the TGF-β1-mediated differentiation of cultured keratocytes. While PDGF signaling acts synergistically with TGF-β1 during myofibroblast differentiation, how treatment with multiple growth factors affects stiffness-dependent differences in keratocyte behavior is unknown. Here, we treated primary corneal keratocytes with PDGF-BB and TGF-β1 and cultured them on polyacrylamide (PA) substrata of different stiffnesses. In the presence of TGF-β1 alone, the cells underwent stiffness-dependent myofibroblast differentiation. On stiff substrata, the cells developed robust stress fibers, exhibited high levels of ⍺-SMA staining, formed large focal adhesions (FAs), and exerted elevated contractile forces, whereas cells in a compliant microenvironment showed low levels of ⍺-SMA immunofluorescence, formed smaller focal adhesions, and exerted decreased contractile forces. When the cultured keratocytes were treated simultaneously with PDGF-BB however, increased levels of ⍺-SMA staining and stress fiber formation were observed on compliant substrata, even though the cells did not exhibit elevated contractility or focal adhesion size. Pharmacological inhibition of PDGF signaling disrupted the myofibroblast differentiation of cells cultured on substrata of all stiffnesses. These results indicate that treatment with PDGF-BB can decouple molecular markers of myofibroblast differentiation from the elevated contractile phenotype otherwise associated with these cells, suggesting that crosstalk in the mechanotransductive signaling pathways downstream of TGF-β1 and PDGF-BB can regulate the stiffness-dependent differentiation of cultured keratocytes. Statement of Significance In vitro experiments have shown that changes in ECM stiffness can regulate the differentiation of myofibroblasts. Typically, these assays involve the use of individual growth factors, but it is unclear how stiffness-dependent differences in cell behavior are affected by multiple cytokines. Here, we used primary corneal keratocytes to show that treatment with both TGF-β1 and PDGF-BB disrupts the dependency of myofibroblast differentiation on substratum stiffness. In the presence of both growth factors, keratocytes on soft substrates exhibited elevated ⍺-SMA immunofluorescence without a corresponding increase in contractility or focal adhesion formation. This result suggests that molecular markers of myofibroblast differentiation can be dissociated from the elevated contractile behavior associated with the myofibroblast phenotype, suggesting potential crosstalk in mechanotransductive signaling pathways downstream of TGF-β1 and PDGF-BB.
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12
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He ZJ, Chu C, Dickson R, Okuda K, Cai LH. A gel-coated air-liquid-interface culture system with tunable substrate stiffness matching healthy and diseased lung tissues. Am J Physiol Lung Cell Mol Physiol 2024; 326:L292-L302. [PMID: 38252871 DOI: 10.1152/ajplung.00153.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 12/19/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024] Open
Abstract
Since its invention in the late 1980s, the air-liquid-interface (ALI) culture system has been the standard in vitro model for studying human airway biology and pulmonary diseases. However, in a conventional ALI system, cells are cultured on a porous plastic membrane that is much stiffer than human airway tissues. Here, we develop a gel-ALI culture system by simply coating the plastic membrane with a thin layer of hydrogel with tunable stiffness matching that of healthy and fibrotic airway tissues. We determine the optimum gel thickness that does not impair the transport of nutrients and biomolecules essential to cell growth. We show that the gel-ALI system allows human bronchial epithelial cells (HBECs) to proliferate and differentiate into pseudostratified epithelium. Furthermore, we discover that HBECs migrate significantly faster on hydrogel substrates with stiffness matching that of fibrotic lung tissues, highlighting the importance of mechanical cues in human airway remodeling. The developed gel-ALI system provides a facile approach to studying the effects of mechanical cues in human airway biology and in modeling pulmonary diseases.NEW & NOTEWORTHY In a conventional ALI system, cells are cultured on a plastic membrane that is much stiffer than human airway tissues. We develop a gel-ALI system by coating the plastic membrane with a thin layer of hydrogel with tunable stiffness matching that of healthy and fibrotic airway tissues. We discover that human bronchial epithelial cells migrate significantly faster on hydrogel substrates with pathological stiffness, highlighting the importance of mechanical cues in human airway remodeling.
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Affiliation(s)
- Zhi-Jian He
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, United States
| | - Catherine Chu
- Soft Biomatter Laboratory, Department of Materials Science and Engineering, University of Virginia, Charlottesville, Virginia, United States
| | - Riley Dickson
- Department of Chemical Engineering, University of Virginia, Charlottesville, Virginia, United States
| | - Kenichi Okuda
- Marsico Lung Institute/Cystic Fibrosis Research Center, University of North Carolina, Chapel Hill, North Carolina, United States
| | - Li-Heng Cai
- Soft Biomatter Laboratory, Department of Materials Science and Engineering, University of Virginia, Charlottesville, Virginia, United States
- Department of Chemical Engineering, University of Virginia, Charlottesville, Virginia, United States
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, United States
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13
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Pandey V, Yadav V, Srivastava A, Gaglani P, Singh R, Subhashini. Blocking μ-opioid receptor by naltrexone exaggerates oxidative stress and airway inflammation via the MAPkinase pathway in a murine model of asthma. Free Radic Biol Med 2024; 212:94-116. [PMID: 38142953 DOI: 10.1016/j.freeradbiomed.2023.12.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/15/2023] [Accepted: 12/16/2023] [Indexed: 12/26/2023]
Abstract
Opioids regulate various physiological and pathophysiological functions, including cell proliferation, immune function, obesity, and neurodegenerative disorders. They have been used for centuries as a treatment for severe pain, binding to opioid receptors a specific G protein-coupled receptor. Common opioids, like β-endorphin, [D-Ala2, N-MePhe4, Gly-ol]-enkephalin (DAMGO), and dynorphins, have analgesic effects. The use of a potent antagonist, like naltrexone hydrochloride, to block the effects of mu Opioid Receptor (μOR) may result in the withdrawal of physiological effects and could potentially impact immune responses in many diseases including respiratory disease. Asthma is a respiratory disease characterized by airway hyperresponsiveness, inflammation, bronchoconstriction, chest tightness, stress generation and release of various cytokines. Airway inflammation leads recruitment and activation of immune cells releasing mediators, including opioids, which may modulate inflammatory response by binding to their respective receptors. The study aims to explore the role of μOR antagonist (naltrexone) in regulating asthma pathophysiology, as the regulation of immune and inflammatory responses in asthma remains unclear. Balb/c mice were sensitized intranasally by 1% TDI and challenged with 2.5% TDI. Naltrexone hydrochloride (1 mg/kg body weight) was administered through intraperitoneal route 1 h before TDI induction. Blocking μOR by naltrexone exacerbates airway inflammation by recruiting inflammatory cells (lymphocytes and neutrophils), enhancing intracellular Reactive oxygen species in bronchoalveolar lavage fluid (BALF), and inflammatory mediator (histamine, Eosinophil peroxidase and neutrophil elastase) in lungs. Naltrexone administration modulated inflammatory cytokines (TNF-α, IL-4, IL-5, IL-6, IL-10, and IL-17A), and enhanced IgE and CRP levels. Naltrexone administration also increased the expression of NF-κB, and phosphorylated p-P38, p-Erk, p-JNK and NF-κB by inhibiting the μOR. Docking study revealed good binding affinity of naltrexone with μOR compared to δ and κ receptors. In future it might elucidate potential therapeutic against many respiratory pathological disorders. In conclusion, μOR blocking by naltrexone regulates and implicates inflammation, bronchoconstriction, and lung physiology.
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Affiliation(s)
- Vinita Pandey
- Department of Zoology, Mahila Mahavidyalaya, Banaras Hindu University, Varanasi, 221005, India
| | - Vandana Yadav
- Department of Zoology, Mahila Mahavidyalaya, Banaras Hindu University, Varanasi, 221005, India
| | - Atul Srivastava
- Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Pratikkumar Gaglani
- Department of Zoology, Mahila Mahavidyalaya, Banaras Hindu University, Varanasi, 221005, India
| | - Rashmi Singh
- Department of Zoology, Mahila Mahavidyalaya, Banaras Hindu University, Varanasi, 221005, India
| | - Subhashini
- Department of Zoology, Mahila Mahavidyalaya, Banaras Hindu University, Varanasi, 221005, India.
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14
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Sousa de Almeida M, Lee A, Itel F, Maniura-Weber K, Petri-Fink A, Rothen-Rutishauser B. The Effect of Substrate Properties on Cellular Behavior and Nanoparticle Uptake in Human Fibroblasts and Epithelial Cells. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:342. [PMID: 38392715 PMCID: PMC10892529 DOI: 10.3390/nano14040342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 02/05/2024] [Accepted: 02/07/2024] [Indexed: 02/24/2024]
Abstract
The delivery of nanomedicines into cells holds enormous therapeutic potential; however little is known regarding how the extracellular matrix (ECM) can influence cell-nanoparticle (NP) interactions. Changes in ECM organization and composition occur in several pathophysiological states, including fibrosis and tumorigenesis, and may contribute to disease progression. We show that the physical characteristics of cellular substrates, that more closely resemble the ECM in vivo, can influence cell behavior and the subsequent uptake of NPs. Electrospinning was used to create two different substrates made of soft polyurethane (PU) with aligned and non-aligned nanofibers to recapitulate the ECM in two different states. To investigate the impact of cell-substrate interaction, A549 lung epithelial cells and MRC-5 lung fibroblasts were cultured on soft PU membranes with different alignments and compared against stiff tissue culture plastic (TCP)/glass. Both cell types could attach and grow on both PU membranes with no signs of cytotoxicity but with increased cytokine release compared with cells on the TCP. The uptake of silica NPs increased more than three-fold in fibroblasts but not in epithelial cells cultured on both membranes. This study demonstrates that cell-matrix interaction is substrate and cell-type dependent and highlights the importance of considering the ECM and tissue mechanical properties when designing NPs for effective cell targeting and treatment.
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Affiliation(s)
- Mauro Sousa de Almeida
- Adolphe Merkle Institute and National Center of Competence in Research Bio-Inspired Materials, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland; (M.S.d.A.); (A.L.); (A.P.-F.)
| | - Aaron Lee
- Adolphe Merkle Institute and National Center of Competence in Research Bio-Inspired Materials, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland; (M.S.d.A.); (A.L.); (A.P.-F.)
- Department of Bioengineering, Imperial College London, South Kensington, London SW7 2BP, UK
| | - Fabian Itel
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Biomimetic Membranes and Textiles, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland;
| | - Katharina Maniura-Weber
- Empa, Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Biointerfaces, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland;
| | - Alke Petri-Fink
- Adolphe Merkle Institute and National Center of Competence in Research Bio-Inspired Materials, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland; (M.S.d.A.); (A.L.); (A.P.-F.)
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, 1700 Fribourg, Switzerland
| | - Barbara Rothen-Rutishauser
- Adolphe Merkle Institute and National Center of Competence in Research Bio-Inspired Materials, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland; (M.S.d.A.); (A.L.); (A.P.-F.)
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15
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Bayne EF, Buck KM, Towler AG, Zhu Y, Pergande MR, Zhou T, Price S, Rossler KJ, Morales-Tirado V, Lloyd S, Wang F, He Y, Tian Y, Ge Y. High-Throughput Extracellular Matrix Proteomics of Human Lungs Enabled by Photocleavable Surfactant and diaPASEF. J Proteome Res 2024. [PMID: 38315831 DOI: 10.1021/acs.jproteome.3c00532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2024]
Abstract
The extracellular matrix (ECM) is a complex assembly of proteins that provide interstitial scaffolding and elastic recoil for human lungs. The pulmonary extracellular matrix is increasingly recognized as an independent bioactive entity, by creating biochemical and mechanical signals that influence disease pathogenesis, making it an attractive therapeutic target. However, the pulmonary ECM proteome ("matrisome") remains challenging to analyze by mass spectrometry due to its inherent biophysical properties and relatively low abundance. Here, we introduce a strategy designed for rapid and efficient characterization of the human pulmonary ECM using the photocleavable surfactant Azo. We coupled this approach with trapped ion mobility MS with diaPASEF to maximize the depth of matrisome coverage. Using this strategy, we identify nearly 400 unique matrisome proteins with excellent reproducibility that are known to be important in lung biology, including key core matrisome proteins.
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Affiliation(s)
- Elizabeth F Bayne
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Kevin M Buck
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Anna G Towler
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Yanlong Zhu
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
- Human Proteomics Program, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
| | - Melissa R Pergande
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
- Human Proteomics Program, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
| | - Tianhua Zhou
- Department of Medicine, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
| | - Scott Price
- Department of Medicine, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
| | - Kalina J Rossler
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
- Molecular and Cellular Pharmacology Training Program, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
| | - Vanessa Morales-Tirado
- Discovery Immunology, Pharmacology and Pathology, AbbVie Bioresearch Center, Worcester, Massachusetts 01605, United States
| | - Sarah Lloyd
- Discovery Immunology, Pharmacology and Pathology, AbbVie, Inc., North Chicago, Illinois 60064, United States
| | - Fei Wang
- Quantitative Translational & ADME Science, AbbVie Bioresearch Center, Worcester, Massachusetts 01605, United States
| | - Yupeng He
- Discovery Immunology, Pharmacology and Pathology, AbbVie, Inc., North Chicago, Illinois 60064, United States
| | - Yu Tian
- Quantitative Translational & ADME Science, AbbVie Bioresearch Center, Worcester, Massachusetts 01605, United States
| | - Ying Ge
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
- Human Proteomics Program, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin 53705, United States
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16
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Tang F, Reeves SR, Brune JE, Chang MY, Chan CK, Waldron P, Drummond SP, Milner CM, Alonge KM, Garantziotis S, Day AJ, Altemeier WA, Frevert CW. Inter-alpha-trypsin inhibitor (IαI) and hyaluronan modifications enhance the innate immune response to influenza virus in the lung. Matrix Biol 2024; 126:25-42. [PMID: 38232913 DOI: 10.1016/j.matbio.2024.01.004] [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: 08/24/2023] [Revised: 12/22/2023] [Accepted: 01/14/2024] [Indexed: 01/19/2024]
Abstract
The inter-alpha-trypsin inhibitor (IαI) complex is composed of the bikunin core protein with a single chondroitin sulfate (CS) attached and one or two heavy chains (HCs) covalently linked to the CS chain. The HCs from IαI can be transferred to hyaluronan (HA) through a TNFα-stimulated gene-6 (TSG-6) dependent process to form an HC•HA matrix. Previous studies reported increased IαI, HA, and HC•HA complexes in mouse bronchoalveolar lavage fluid (BALF) post-influenza infection. However, the expression and incorporation of HCs into the HA matrix of the lungs during the clinical course of influenza A virus (IAV) infection and the biological significance of the HC•HA matrix are poorly understood. The present study aimed to better understand the composition of HC•HA matrices in mice infected with IAV and how these matrices regulate the host pulmonary immune response. In IAV infected mice bikunin, HC1-3, TSG-6, and HAS1-3 all show increased gene expression at various times during a 12-day clinical course. The increased accumulation of IαI and HA was confirmed in the lungs of infected mice using immunohistochemistry and quantitative digital pathology. Western blots confirmed increases in the IαI components in BALF and lung tissue at 6 days post-infection (dpi). Interestingly, HCs and bikunin recovered from BALF and plasma from mice 6 dpi with IAV, displayed differences in the HC composition by Western blot analysis and differences in bikunin's CS chain sulfation patterns by mass spectrometry analysis. This strongly suggests that the IαI components were synthesized in the lungs rather than translocated from the vascular compartment. HA was significantly increased in BALF at 6 dpi, and the HA recovered in BALF and lung tissues were modified with HCs indicating the presence of an HC•HA matrix. In vitro experiments using polyinosinic-polycytidylic acid (poly(I:C)) treated mouse lung fibroblasts (MLF) showed that modification of HA with HCs increased cell-associated HA, and that this increase was due to the retention of HA in the MLF glycocalyx. In vitro studies of leukocyte adhesion showed differential binding of lymphoid (Hut78), monocyte (U937), and neutrophil (dHL60) cell lines to HA and HC•HA matrices. Hut78 cells adhered to immobilized HA in a size and concentration-dependent manner. In contrast, the binding of dHL60 and U937 cells depended on generating a HC•HA matrix by MLF. Our in vivo findings, using multiple bronchoalveolar lavages, correlated with our in vitro findings in that lymphoid cells bound more tightly to the HA-glycocalyx in the lungs of influenza-infected mice than neutrophils and mononuclear phagocytes (MNPs). The neutrophils and MNPs were associated with a HC•HA matrix and were more readily lavaged from the lungs. In conclusion, this work shows increased IαI and HA accumulation and the formation of a HC•HA matrix in mouse lungs post-IAV infection. The formation of HA and HC•HA matrices could potentially create specific microenvironments in the lungs for immune cell recruitment and activation during IAV infection.
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Affiliation(s)
- Fengying Tang
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Department of Comparative Medicine, University of Washington, Seattle, WA, USA.
| | - Stephen R Reeves
- Center for Respiratory Biology and Therapeutics, Seattle Children's Research Institute, Seattle, WA, USA; Division of Pulmonary and Sleep Medicine, Department of Pediatrics, University of Washington, Seattle, WA, USA
| | - Jourdan E Brune
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Department of Comparative Medicine, University of Washington, Seattle, WA, USA
| | - Mary Y Chang
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Department of Comparative Medicine, University of Washington, Seattle, WA, USA
| | - Christina K Chan
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Department of Comparative Medicine, University of Washington, Seattle, WA, USA
| | - Peter Waldron
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Department of Comparative Medicine, University of Washington, Seattle, WA, USA
| | - Sheona P Drummond
- Welcome Centre for Cell-Matrix Research, University of Manchester, Manchester, UK; Faculty of Biology Medicine & Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK
| | - Caroline M Milner
- Faculty of Biology Medicine & Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK; Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - Kimberly M Alonge
- Department of Medicinal Chemistry, University of Washington, Seattle, WA, USA
| | - Stavros Garantziotis
- Division of Intramural Research, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Anthony J Day
- Welcome Centre for Cell-Matrix Research, University of Manchester, Manchester, UK; Faculty of Biology Medicine & Health, University of Manchester, Manchester Academic Health Science Centre, Manchester, UK; Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, UK
| | - William A Altemeier
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, USA
| | - Charles W Frevert
- Center for Lung Biology, the University of Washington at South Lake Union, Seattle, WA, USA; Department of Comparative Medicine, University of Washington, Seattle, WA, USA; Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, WA, USA
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17
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Duijvelaar E, Gisby J, Peters JE, Bogaard HJ, Aman J. Longitudinal plasma proteomics reveals biomarkers of alveolar-capillary barrier disruption in critically ill COVID-19 patients. Nat Commun 2024; 15:744. [PMID: 38272877 PMCID: PMC10811341 DOI: 10.1038/s41467-024-44986-w] [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: 04/28/2023] [Accepted: 01/11/2024] [Indexed: 01/27/2024] Open
Abstract
The pathobiology of respiratory failure in COVID-19 consists of a complex interplay between viral cytopathic effects and a dysregulated host immune response. In critically ill patients, imatinib treatment demonstrated potential for reducing invasive ventilation duration and mortality. Here, we perform longitudinal profiling of 6385 plasma proteins in 318 hospitalised patients to investigate the biological processes involved in critical COVID-19, and assess the effects of imatinib treatment. Nine proteins measured at hospital admission accurately predict critical illness development. Next to dysregulation of inflammation, critical illness is characterised by pathways involving cellular adhesion, extracellular matrix turnover and tissue remodelling. Imatinib treatment attenuates protein perturbations associated with inflammation and extracellular matrix turnover. These proteomic alterations are contextualised using external pulmonary RNA-sequencing data of deceased COVID-19 patients and imatinib-treated Syrian hamsters. Together, we show that alveolar capillary barrier disruption in critical COVID-19 is reflected in the plasma proteome, and is attenuated with imatinib treatment. This study comprises a secondary analysis of both clinical data and plasma samples derived from a clinical trial that was registered with the EU Clinical Trials Register (EudraCT 2020-001236-10, https://www.clinicaltrialsregister.eu/ctr-search/trial/2020-001236-10/NL ) and Netherlands Trial Register (NL8491, https://www.trialregister.nl/trial/8491 ).
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Affiliation(s)
- Erik Duijvelaar
- Department of Pulmonary Medicine, Amsterdam University Medical Centers, Amsterdam Cardiovascular Sciences, Amsterdam, The Netherlands.
| | - Jack Gisby
- Department of Immunology and Inflammation, Centre for Inflammatory Disease, Imperial College London, London, UK
| | - James E Peters
- Department of Immunology and Inflammation, Centre for Inflammatory Disease, Imperial College London, London, UK
| | - Harm Jan Bogaard
- Department of Pulmonary Medicine, Amsterdam University Medical Centers, Amsterdam Cardiovascular Sciences, Amsterdam, The Netherlands
| | - Jurjan Aman
- Department of Pulmonary Medicine, Amsterdam University Medical Centers, Amsterdam Cardiovascular Sciences, Amsterdam, The Netherlands.
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18
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Huang X, Zhang L, Luo W, Zeng Y, Li X, Yang N, Huang W, Ding BS. Endothelial anthrax toxin receptor 2 plays a protective role in liver fibrosis. Front Cell Dev Biol 2024; 11:1278968. [PMID: 38322497 PMCID: PMC10844529 DOI: 10.3389/fcell.2023.1278968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 12/18/2023] [Indexed: 02/08/2024] Open
Abstract
Hepatocellular carcinoma is one of the leading cancers worldwide and is a potential consequence of fibrosis. Therefore, the identification of key cellular and molecular mechanisms involved in liver fibrosis is an important goal for the development of new strategies to control liver-related diseases. Here, single-cell RNA sequencing data (GSE136103 and GES181483) of clinical liver non-parenchymal cells were analyzed to identify cellular and molecular mechanisms of liver fibrosis. The proportion of endothelial subpopulations in cirrhotic livers was significantly higher than that in healthy livers. Gene ontology and gene set enrichment analysis of differentially expressed genes in the endothelial subgroups revealed that extracellular matrix (ECM)-related pathways were significantly enriched. Since anthrax toxin receptor 2 (ANTXR2) interacts with the ECM, the expression of ANTXR2 in the liver endothelium was analyzed. ANTXR2 expression in the liver endothelium of wild-type (WT) mice significantly decreased after a 4-time sequential injection of carbon tetrachloride (CCl4) to induce liver fibrosis. Next, conditional knockout mice selectively lacking Antxr2 in endothelial cells were generated. After endothelial-specific Antxr2 knockout mice were subjected to the CCl4 model, the degree of liver fibrosis in the knockout group was significantly more severe than that in the control group. In addition, ANTXR2 in human umbilical vein endothelial cells promoted matrix metalloproteinase 2 (MMP2) activation to degrade the ECM in vitro. Finally, endothelial-specific overexpression of Antxr2 alleviated the development of liver fibrosis following adeno-associated virus treatment. Collectively, these results suggested that endothelial ANTXR2 plays a protective role in liver fibrosis. This function of ANTXR2 may be achieved by promoting MMP2 activation to degrade the ECM.
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Affiliation(s)
| | | | | | | | | | | | | | - Bi-Sen Ding
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of MOE, State Key Laboratory of Biotherapy, West China Second University Hospital, Sichuan University, Chengdu, China
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19
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Ward NA, Hanley S, Tarpey R, Schreiber LHJ, O'Dwyer J, Roche ET, Duffy GP, Dolan EB. Intermittent actuation attenuates fibrotic behaviour of myofibroblasts. Acta Biomater 2024; 173:80-92. [PMID: 37967693 DOI: 10.1016/j.actbio.2023.11.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 10/31/2023] [Accepted: 11/09/2023] [Indexed: 11/17/2023]
Abstract
The foreign body response (FBR) to implanted materials culminates in the deposition of a hypo-permeable, collagen rich fibrotic capsule by myofibroblast cells at the implant site. The fibrotic capsule can be deleterious to the function of some medical implants as it can isolate the implant from the host environment. Modulation of fibrotic capsule formation has been achieved using intermittent actuation of drug delivery implants, however the mechanisms underlying this response are not well understood. Here, we use analytical, computational, and in vitro models to understand the response of human myofibroblasts (WPMY-1 stromal cell line) to intermittent actuation using soft robotics and investigate how actuation can alter the secretion of collagen and pro/anti-inflammatory cytokines by these cells. Our findings suggest that there is a mechanical loading threshold that can modulate the fibrotic behaviour of myofibroblasts, by reducing the secretion of soluble collagen, transforming growth factor beta-1 and interleukin 1-beta, and upregulating the anti-inflammatory interleukin-10. By improving our understanding of how cells involved in the FBR respond to mechanical actuation, we can harness this technology to improve functional outcomes for a wide range of implanted medical device applications including drug delivery and cell encapsulation platforms. STATEMENT OF SIGNIFICANCE: A major barrier to the successful clinical translation of many implantable medical devices is the foreign body response (FBR) and resultant deposition of a hypo-permeable fibrotic capsule (FC) around the implant. Perturbation of the implant site using intermittent actuation (IA) of soft-robotic implants has previously been shown to modulate the FBR and reduce FC thickness. However, the mechanisms of action underlying this response were largely unknown. Here, we investigate how IA can alter the activity of myofibroblast cells, and ultimately suggest that there is a mechanical loading threshold within which their fibrotic behaviour can be modulated. These findings can be harnessed to improve functional outcomes for a wide range of medical implants, particularly drug delivery and cell encapsulation devices.
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Affiliation(s)
- Niamh A Ward
- Biomedical Engineering, School of Engineering, College of Science and Engineering, University of Galway, Galway, Ireland
| | - Shirley Hanley
- Flow Cytometry Core Facility, University of Galway, Galway, Ireland
| | - Ruth Tarpey
- Biomedical Engineering, School of Engineering, College of Science and Engineering, University of Galway, Galway, Ireland; Anatomy and Regenerative Medicine Institute (REMEDI), School of Medicine, University of Galway, Galway, Ireland
| | - Lucien H J Schreiber
- Biomedical Engineering, School of Engineering, College of Science and Engineering, University of Galway, Galway, Ireland; Anatomy and Regenerative Medicine Institute (REMEDI), School of Medicine, University of Galway, Galway, Ireland
| | - Joanne O'Dwyer
- Anatomy and Regenerative Medicine Institute (REMEDI), School of Medicine, University of Galway, Galway, Ireland
| | - Ellen T Roche
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge, MA, USA; Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA; Harvard-MIT Program in Health Sciences and Technology, Cambridge, MA, USA
| | - Garry P Duffy
- Anatomy and Regenerative Medicine Institute (REMEDI), School of Medicine, University of Galway, Galway, Ireland; Advanced Materials and BioEngineering Research Centre (AMBER), Trinity College Dublin, Dublin, Ireland; CÚRAM, Centre for Research in Medical Devices, University of Galway, Galway, Ireland
| | - Eimear B Dolan
- Biomedical Engineering, School of Engineering, College of Science and Engineering, University of Galway, Galway, Ireland; CÚRAM, Centre for Research in Medical Devices, University of Galway, Galway, Ireland.
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20
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Kitamura T, Misu M, Yoshikawa M, Ouji Y. Differentiation of embryonic stem cells into lung-like cells using lung-derived matrix sheets. Biochem Biophys Res Commun 2023; 686:149197. [PMID: 37924668 DOI: 10.1016/j.bbrc.2023.149197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 10/17/2023] [Accepted: 10/30/2023] [Indexed: 11/06/2023]
Abstract
Various extracellular matrix (ECM) in the lungs regulate tissue development and homeostasis, as well as provide support for cell structures. However, few studies regarding the effects of lung cell differentiation using lung-derived ECM (LM) alone have been reported. The present study investigated the capability of lung-derived matrix sheets (LMSs) to induce lung cell differentiation using mouse embryonic stem (ES) cells. Expressions of lung-related cell markers were significantly upregulated in ES-derived embryoid bodies (EBs) cultured on an LMS for two weeks. Moreover, immunohistochemical analysis of EBs grown on LMSs revealed differentiation of various lung-related cells. These results suggest that an LMS can be used to promote differentiation of stem cells into lung cells.
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Affiliation(s)
- Tomotaka Kitamura
- Department of Pathogen, Infection and Immunity, Nara Medical University, Kashihara, Nara, Japan
| | - Masayasu Misu
- Department of Pathogen, Infection and Immunity, Nara Medical University, Kashihara, Nara, Japan
| | - Masahide Yoshikawa
- Department of Pathogen, Infection and Immunity, Nara Medical University, Kashihara, Nara, Japan
| | - Yukiteru Ouji
- Department of Pathogen, Infection and Immunity, Nara Medical University, Kashihara, Nara, Japan.
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21
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Li X, Shan J, Chen X, Cui H, Wen G, Yu Y. Decellularized diseased tissues: current state-of-the-art and future directions. MedComm (Beijing) 2023; 4:e399. [PMID: 38020712 PMCID: PMC10661834 DOI: 10.1002/mco2.399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 09/04/2023] [Accepted: 09/12/2023] [Indexed: 12/01/2023] Open
Abstract
Decellularized matrices derived from diseased tissues/organs have evolved in the most recent years, providing novel research perspectives for understanding disease occurrence and progression and providing accurate pseudo models for developing new disease treatments. Although decellularized matrix maintaining the native composition, ultrastructure, and biomechanical characteristics of extracellular matrix (ECM), alongside intact and perfusable vascular compartments, facilitates the construction of bioengineered organ explants in vitro and promotes angiogenesis and tissue/organ regeneration in vivo, the availability of healthy tissues and organs for the preparation of decellularized ECM materials is limited. In this paper, we review the research advancements in decellularized diseased matrices. Considering that current research focuses on the matrices derived from cancers and fibrotic organs (mainly fibrotic kidney, lungs, and liver), the pathological characterizations and the applications of these diseased matrices are mainly discussed. Additionally, a contrastive analysis between the decellularized diseased matrices and decellularized healthy matrices, along with the development in vitro 3D models, is discussed in this paper. And last, we have provided the challenges and future directions in this review. Deep and comprehensive research on decellularized diseased tissues and organs will promote in-depth exploration of source materials in tissue engineering field, thus providing new ideas for clinical transformation.
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Affiliation(s)
- Xiang Li
- Department of Orthopedic SurgeryShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Jianyang Shan
- Department of Orthopedic SurgeryShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Xin Chen
- Department of Orthopedic SurgeryShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
- College of Fisheries and Life ScienceShanghai Ocean UniversityShanghaiChina
| | - Haomin Cui
- Department of Orthopedic SurgeryShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Gen Wen
- Department of Orthopedic SurgeryShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
| | - Yaling Yu
- Department of Orthopedic SurgeryShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
- Institute of Microsurgery on ExtremitiesShanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghaiChina
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22
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de Souza Xavier Costa N, Ribeiro Júnior G, do Nascimento ECT, de Brito JM, Antonangelo L, Faria CS, Monteiro JS, Setubal JC, Pinho JRR, Pereira RV, Seelaender M, de Castro GS, Lima JDCC, de Almeida Monteiro RA, Duarte-Neto AN, Saldiva PHN, Ferraz da Silva LF, Dolhnikoff M, Mauad T. COVID-19 induces more pronounced extracellular matrix deposition than other causes of ARDS. Respir Res 2023; 24:281. [PMID: 37964271 PMCID: PMC10648646 DOI: 10.1186/s12931-023-02555-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/05/2023] [Indexed: 11/16/2023] Open
Abstract
BACKGROUND Lung fibrosis is a major concern in severe COVID-19 patients undergoing mechanical ventilation (MV). Lung fibrosis frequency in post-COVID syndrome is highly variable and even if the risk is proportionally small, many patients could be affected. However, there is still no data on lung extracellular matrix (ECM) composition in severe COVID-19 and whether it is different from other aetiologies of ARDS. METHODS We have quantified different ECM elements and TGF-β expression in lung tissue of 28 fatal COVID-19 cases and compared to 27 patients that died of other causes of ARDS, divided according to MV duration (up to six days or seven days or more). In COVID-19 cases, ECM elements were correlated with lung transcriptomics and cytokines profile. RESULTS We observed that COVID-19 cases presented significant increased deposition of collagen, fibronectin, versican, and TGF-β, and decreased decorin density when compared to non-COVID-19 cases of similar MV duration. TGF-β was precociously increased in COVID-19 patients with MV duration up to six days. Lung collagen was higher in women with COVID-19, with a transition of upregulated genes related to fibrillogenesis to collagen production and ECM disassembly along the MV course. CONCLUSIONS Fatal COVID-19 is associated with an early TGF-β expression lung environment after the MV onset, followed by a disordered ECM assembly. This uncontrolled process resulted in a prominent collagen deposition when compared to other causes of ARDS. Our data provides pathological substrates to better understand the high prevalence of pulmonary abnormalities in patients surviving COVID-19.
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Affiliation(s)
| | - Gabriel Ribeiro Júnior
- Departamento de Patologia (LIM 05), Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | | | - Jôse Mara de Brito
- Departamento de Patologia (LIM 05), Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Leila Antonangelo
- Laboratório de Investigação Médica (LIM03), Faculdade de Medicina, Hospital das Clínicas HCFMUSP, Universidade de São Paulo, São Paulo, Brazil
- Divisão de Patologia Clínica, Departamento de Patologia, Hospital das Clínicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil
| | - Caroline Silvério Faria
- Laboratório de Investigação Médica (LIM03), Faculdade de Medicina, Hospital das Clínicas HCFMUSP, Universidade de São Paulo, São Paulo, Brazil
| | | | - João Carlos Setubal
- Departamento de Bioquímica, Instituto de Química Universidade de São Paulo, São Paulo, Brazil
| | - João Renato Rebello Pinho
- Laboratório de Investigação Médica (LIM03), Faculdade de Medicina, Hospital das Clínicas HCFMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Roberta Verciano Pereira
- Laboratório de Investigação Médica (LIM03), Faculdade de Medicina, Hospital das Clínicas HCFMUSP, Universidade de São Paulo, São Paulo, Brazil
| | - Marilia Seelaender
- Cancer Metabolism Research Group, University of São Paulo, São Paulo, Brazil
- Department of Surgery and LIM 26, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - Gabriela Salim de Castro
- Cancer Metabolism Research Group, University of São Paulo, São Paulo, Brazil
- Department of Surgery and LIM 26, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - Joanna D C C Lima
- Cancer Metabolism Research Group, University of São Paulo, São Paulo, Brazil
- Department of Surgery and LIM 26, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | | | - Amaro Nunes Duarte-Neto
- Departamento de Patologia (LIM 05), Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | | | - Luiz Fernando Ferraz da Silva
- Departamento de Patologia (LIM 05), Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
- Serviço de Verificação de Óbitos da Capital, Universidade de São Paulo, São Paulo, Brazil
| | - Marisa Dolhnikoff
- Departamento de Patologia (LIM 05), Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Thais Mauad
- Departamento de Patologia (LIM 05), Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil.
- Departamento de Patologia, Laboratório de Patologia Ambiental (LIM- 05), Faculdade de Medicina da Universidade de São Paulo, Av. Dr. Arnaldo, 455, sala 1155, Cerqueira Cesar, São Paulo, Brazil.
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23
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Badaoui M, Chanson M. Intercellular Communication in Airway Epithelial Cell Regeneration: Potential Roles of Connexins and Pannexins. Int J Mol Sci 2023; 24:16160. [PMID: 38003349 PMCID: PMC10671439 DOI: 10.3390/ijms242216160] [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: 09/26/2023] [Revised: 10/19/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Connexins and pannexins are transmembrane proteins that can form direct (gap junctions) or indirect (connexons, pannexons) intercellular communication channels. By propagating ions, metabolites, sugars, nucleotides, miRNAs, and/or second messengers, they participate in a variety of physiological functions, such as tissue homeostasis and host defense. There is solid evidence supporting a role for intercellular signaling in various pulmonary inflammatory diseases where alteration of connexin/pannexin channel functional expression occurs, thus leading to abnormal intercellular communication pathways and contributing to pathophysiological aspects, such as innate immune defense and remodeling. The integrity of the airway epithelium, which is the first line of defense against invading microbes, is established and maintained by a repair mechanism that involves processes such as proliferation, migration, and differentiation. Here, we briefly summarize current knowledge on the contribution of connexins and pannexins to necessary processes of tissue repair and speculate on their possible involvement in the shaping of the airway epithelium integrity.
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Affiliation(s)
| | - Marc Chanson
- Department of Cell Physiology & Metabolism, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland;
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24
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Konkimalla A, Konishi S, Macadlo L, Kobayashi Y, Farino ZJ, Miyashita N, El Haddad L, Morowitz J, Barkauskas CE, Agarwal P, Souma T, ElMallah MK, Tata A, Tata PR. Transitional cell states sculpt tissue topology during lung regeneration. Cell Stem Cell 2023; 30:1486-1502.e9. [PMID: 37922879 PMCID: PMC10762634 DOI: 10.1016/j.stem.2023.10.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 06/22/2023] [Accepted: 10/03/2023] [Indexed: 11/07/2023]
Abstract
Organ regeneration requires dynamic cell interactions to reestablish cell numbers and tissue architecture. While we know the identity of progenitor cells that replace lost tissue, the transient states they give rise to and their role in repair remain elusive. Here, using multiple injury models, we find that alveolar fibroblasts acquire distinct states marked by Sfrp1 and Runx1 that influence tissue remodeling and reorganization. Unexpectedly, ablation of alveolar epithelial type-1 (AT1) cells alone is sufficient to induce tissue remodeling and transitional states. Integrated scRNA-seq followed by genetic interrogation reveals RUNX1 is a key driver of fibroblast states. Importantly, the ectopic induction or accumulation of epithelial transitional states induce rapid formation of transient alveolar fibroblasts, leading to organ-wide fibrosis. Conversely, the elimination of epithelial or fibroblast transitional states or RUNX1 loss, leads to tissue simplification resembling emphysema. This work uncovered a key role for transitional states in orchestrating tissue topologies during regeneration.
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Affiliation(s)
- Arvind Konkimalla
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA; Medical Scientist Training Program, Duke University School of Medicine, Durham, NC 27710, USA
| | - Satoshi Konishi
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Lauren Macadlo
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Yoshihiko Kobayashi
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Zachary J Farino
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Naoya Miyashita
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Léa El Haddad
- Division of Pulmonary and Sleep Medicine, Department of Pediatrics, School of Medicine, Duke University, Durham, NC, USA
| | - Jeremy Morowitz
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Christina E Barkauskas
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA
| | - Pankaj Agarwal
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Tomokazu Souma
- Division of Nephrology, Department of Medicine, Duke University School of Medicine, Durham, NC, USA; Duke Regeneration Center, Duke University, Durham, NC 27710, USA
| | - Mai K ElMallah
- Division of Pulmonary and Sleep Medicine, Department of Pediatrics, School of Medicine, Duke University, Durham, NC, USA
| | - Aleksandra Tata
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA.
| | - Purushothama Rao Tata
- Department of Cell Biology, Duke University School of Medicine, Durham, NC 27710, USA; Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Duke University School of Medicine, Durham, NC 27710, USA; Duke Regeneration Center, Duke University, Durham, NC 27710, USA; Center for Advanced Genomic Technologies, Duke University, Durham, NC 27710, USA; Duke Cancer Institute, Duke University School of Medicine, Durham, NC 27710, USA.
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25
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Liu H, Fan P, Jin F, Ren H, Xu F, Li J. Targeting biophysical microenvironment for improved treatment of chronic obstructive pulmonary disease. Trends Mol Med 2023; 29:926-938. [PMID: 37704492 DOI: 10.1016/j.molmed.2023.08.007] [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: 06/01/2023] [Revised: 08/18/2023] [Accepted: 08/22/2023] [Indexed: 09/15/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) is responsible for high disability rates, high death rates, and significant cost to health systems. Growing evidence in recent decades shows significant biophysical microenvironment changes in COPD, impacting lung tissues, cells, and treatment response. Furthermore, such biophysical changes have shown great potential as novel targets for improved therapeutic strategy of COPD, where both pharmacological and non-pharmacological therapies focusing on repairing the biophysical microenvironment of the lung have emerged. We present the first comprehensive review of four distinct biophysical hallmarks [i.e., extracellular matrix (ECM) microarchitecture, stiffness, fluid shear stress, and mechanical stretch] in COPD, the possible involvement of pathological changes, possible effects, and correlated in vitro models and sum up the emerging COPD treatments targeting these biophysical hallmarks.
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Affiliation(s)
- Han Liu
- Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, Henan 450046, China; Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases co-constructed by Henan Province and Education Ministry of China, Zhengzhou, Henan 450046, China
| | - Pengbei Fan
- Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, Henan 450046, China; Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases co-constructed by Henan Province and Education Ministry of China, Zhengzhou, Henan 450046, China
| | - Fanli Jin
- Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, Henan 450046, China; Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases co-constructed by Henan Province and Education Ministry of China, Zhengzhou, Henan 450046, China
| | - Hui Ren
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an 710049, China; Department of Pulmonary and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Feng Xu
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an 710049, China; MOE Key Laboratory of Biomedical Information Engineering, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China.
| | - Jiansheng Li
- Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, Henan 450046, China; Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases co-constructed by Henan Province and Education Ministry of China, Zhengzhou, Henan 450046, China.
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26
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Mortazavy Beni H, Mortazavi H, Paul G. Relaxation and creep response of the alveolar lung to diagnosis and treatments for respiratory and lung disorders. Perfusion 2023; 38:1637-1643. [PMID: 36128762 DOI: 10.1177/02676591221128141] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND The lung Extracellular Matrix (ECM) contains a considerable part of the parenchymal cells. It contains three essential components: elastin and collagen within a proteoglycan (PG) viscoelastic network. Elastin provides the lung's elasticity property, a necessity for normal breathing, while collagen prepares structural support and strength, and PGs give stability and cushioning within tissue loading. Bacterial and viral respiratory diseases are dependent on changes in the ECM ingredients, which result in an alteration of the lung tissue strength. PURPOSE In the present study, this variation was investigated by changing the volume ratio of the ECM ingredients in the viscoelastic model. RESULTS As a result, the relaxation curves continuously declined by reducing the volume ratios of elastin, collagen, and PGs; subsequently, the lung stiffness decreased. Also, the Standard Linear Solid (SLS) model-based results demonstrated excellent accordance with empirical data with only minor deviations. The resting relaxation modulus and the creep modulus for the ECM tissue were 51 kPa and approximately 0.02 kPa, respectively, and the maximum total modulus of elasticity reached 121 kPa. CONCLUSIONS Moreover, this model demonstrates individual alveolar mechanical behaviours and adds another pathway to the generalized Kelvin-Voigt and Maxwell models in predicting the progress of lung diseases.
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Affiliation(s)
| | - Hamed Mortazavi
- Department of Biomedical Engineering, Arsanjan Branch, Islamic Azad University, Arsanjan, Iran
| | - Gunther Paul
- Australian Institute of Tropical Health and Medicine, James Cook University, Mackay, QLD, Australia
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27
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Maiti G, Ashworth S, Choi T, Chakravarti S. Molecular cues for immune cells from small leucine-rich repeat proteoglycans in their extracellular matrix-associated and free forms. Matrix Biol 2023; 123:48-58. [PMID: 37793508 PMCID: PMC10841460 DOI: 10.1016/j.matbio.2023.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 09/14/2023] [Accepted: 10/01/2023] [Indexed: 10/06/2023]
Abstract
In this review we highlight emerging immune regulatory functions of lumican, keratocan, fibromodulin, biglycan and decorin, which are members of the small leucine-rich proteoglycans (SLRP) of the extracellular matrix (ECM). These SLRPs have been studied extensively as collagen-fibril regulatory structural components of the skin, cornea, bone and cartilage in homeostasis. However, SLRPs released from a remodeling ECM, or synthesized by activated fibroblasts and immune cells contribute to an ECM-free pool in tissues and circulation, that may have a significant, but poorly understood foot print in inflammation and disease. Their molecular interactions and the signaling networks they influence also require investigations. Here we present studies on the leucine-rich repeat (LRR) motifs of SLRP core proteins, their evolutionary and functional relationships with other LRR pathogen recognition receptors, such as the toll-like receptors (TLRs) to bring some molecular clarity in the immune regulatory functions of SLRPs. We discuss molecular interactions of fragments and intact SLRPs, and how some of these interactions are likely modulated by glycosaminoglycan side chains. We integrate findings on molecular interactions of these SLRPs together with what is known about their presence in circulation and lymph nodes (LN), which are important sites of immune cell regulation. Recent bulk and single cell RNA sequencing studies have identified subsets of stromal reticular cells that express these SLRPs within LNs. An understanding of the cellular source, molecular interactions and signaling consequences will lead to a fundamental understanding of how SLRPs modulate immune responses, and to therapeutic tools based on these SLRPs in the future.
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Affiliation(s)
- George Maiti
- Department of Ophthalmology, NYU Grossman School of Medicine, New York, NY, United States
| | - Sean Ashworth
- Department of Ophthalmology, NYU Grossman School of Medicine, New York, NY, United States
| | - Tansol Choi
- Department of Ophthalmology, NYU Grossman School of Medicine, New York, NY, United States
| | - Shukti Chakravarti
- Department of Ophthalmology, NYU Grossman School of Medicine, New York, NY, United States; Department of Pathology, NYU Grossman School of Medicine, New York, NY, United States.
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28
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Hirani DV, Thielen F, Mansouri S, Danopoulos S, Vohlen C, Haznedar-Karakaya P, Mohr J, Wilke R, Selle J, Grosch T, Mizik I, Odenthal M, Alvira CM, Kuiper-Makris C, Pryhuber GS, Pallasch C, van Koningsbruggen-Rietschel S, Al-Alam D, Seeger W, Savai R, Dötsch J, Alejandre Alcazar MA. CXCL10 deficiency limits macrophage infiltration, preserves lung matrix, and enables lung growth in bronchopulmonary dysplasia. Inflamm Regen 2023; 43:52. [PMID: 37876024 PMCID: PMC10594718 DOI: 10.1186/s41232-023-00301-6] [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: 05/23/2023] [Accepted: 10/10/2023] [Indexed: 10/26/2023] Open
Abstract
Preterm infants with oxygen supplementation are at high risk for bronchopulmonary dysplasia (BPD), a neonatal chronic lung disease. Inflammation with macrophage activation is central to the pathogenesis of BPD. CXCL10, a chemotactic and pro-inflammatory chemokine, is elevated in the lungs of infants evolving BPD and in hyperoxia-based BPD in mice. Here, we tested if CXCL10 deficiency preserves lung growth after neonatal hyperoxia by preventing macrophage activation. To this end, we exposed Cxcl10 knockout (Cxcl10-/-) and wild-type mice to an experimental model of hyperoxia (85% O2)-induced neonatal lung injury and subsequent regeneration. In addition, cultured primary human macrophages and murine macrophages (J744A.1) were treated with CXCL10 and/or CXCR3 antagonist. Our transcriptomic analysis identified CXCL10 as a central hub in the inflammatory network of neonatal mouse lungs after hyperoxia. Quantitative histomorphometric analysis revealed that Cxcl10-/- mice are in part protected from reduced alveolar. These findings were related to the preserved spatial distribution of elastic fibers, reduced collagen deposition, and protection from macrophage recruitment/infiltration to the lungs in Cxcl10-/- mice during acute injury and regeneration. Complimentary, studies with cultured human and murine macrophages showed that hyperoxia induces Cxcl10 expression that in turn triggers M1-like activation and migration of macrophages through CXCR3. Finally, we demonstrated a temporal increase of macrophage-related CXCL10 in the lungs of infants with BPD. In conclusion, our data demonstrate macrophage-derived CXCL10 in experimental and clinical BPD that drives macrophage chemotaxis through CXCR3, causing pro-fibrotic lung remodeling and arrest of alveolarization. Thus, targeting the CXCL10-CXCR3 axis could offer a new therapeutic avenue for BPD.
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Affiliation(s)
- Dharmesh V Hirani
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital Cologne, Faculty of Medicine, University of Cologne, Kerpener Strasse 62, Cologne, 50937, Germany
- Universities of Giessen and Marburg Lung Center (UGMLC), member of the German Center for Lung Research (DZL), Institute for Lung Health (ILH) and Cardio-Pulmonary Institute (CPI), Gießen, Germany
| | - Florian Thielen
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital Cologne, Faculty of Medicine, University of Cologne, Kerpener Strasse 62, Cologne, 50937, Germany
| | - Siavash Mansouri
- Department of Lung Development and Remodeling, Max-Planck-Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Bad Nauheim, Germany
| | - Soula Danopoulos
- Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Christina Vohlen
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital Cologne, Faculty of Medicine, University of Cologne, Kerpener Strasse 62, Cologne, 50937, Germany
- Universities of Giessen and Marburg Lung Center (UGMLC), member of the German Center for Lung Research (DZL), Institute for Lung Health (ILH) and Cardio-Pulmonary Institute (CPI), Gießen, Germany
- Department of Pediatric and Adolescent Medicine, Faculty of Medicine, University Hospital Cologne, and University of Cologne, Cologne, Germany
| | - Pinar Haznedar-Karakaya
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital Cologne, Faculty of Medicine, University of Cologne, Kerpener Strasse 62, Cologne, 50937, Germany
| | - Jasmine Mohr
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital Cologne, Faculty of Medicine, University of Cologne, Kerpener Strasse 62, Cologne, 50937, Germany
| | - Rebecca Wilke
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital Cologne, Faculty of Medicine, University of Cologne, Kerpener Strasse 62, Cologne, 50937, Germany
| | - Jaco Selle
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital Cologne, Faculty of Medicine, University of Cologne, Kerpener Strasse 62, Cologne, 50937, Germany
| | - Thomas Grosch
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital Cologne, Faculty of Medicine, University of Cologne, Kerpener Strasse 62, Cologne, 50937, Germany
| | - Ivana Mizik
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital Cologne, Faculty of Medicine, University of Cologne, Kerpener Strasse 62, Cologne, 50937, Germany
| | - Margarete Odenthal
- Center for Molecular Medicine Cologne (CMMC), University Hospital Cologne, Faculty of Medicine, and University of Cologne, Cologne, Germany
- Institute for Pathology, University Hospital Cologne, Faculty of Medicine, and University of Cologne, Cologne, Germany
| | - Cristina M Alvira
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Celien Kuiper-Makris
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital Cologne, Faculty of Medicine, University of Cologne, Kerpener Strasse 62, Cologne, 50937, Germany
- Center for Molecular Medicine Cologne (CMMC), University Hospital Cologne, Faculty of Medicine, and University of Cologne, Cologne, Germany
| | - Gloria S Pryhuber
- Department of Pediatrics, Division of Neonatology, University of Rochester Medical Center, Rochester, NY, USA
| | - Christian Pallasch
- Department I of Internal Medicine, Center for Integrated Oncology (CIO) Köln-Bonn, University of Cologne, Cologne, Germany
| | - S van Koningsbruggen-Rietschel
- Department of Pediatric and Adolescent Medicine, Faculty of Medicine, University Hospital Cologne, and University of Cologne, Cologne, Germany
| | - Denise Al-Alam
- Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Werner Seeger
- Universities of Giessen and Marburg Lung Center (UGMLC), member of the German Center for Lung Research (DZL), Institute for Lung Health (ILH) and Cardio-Pulmonary Institute (CPI), Gießen, Germany
- Department of Lung Development and Remodeling, Max-Planck-Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Bad Nauheim, Germany
| | - Rajkumar Savai
- Universities of Giessen and Marburg Lung Center (UGMLC), member of the German Center for Lung Research (DZL), Institute for Lung Health (ILH) and Cardio-Pulmonary Institute (CPI), Gießen, Germany
- Department of Lung Development and Remodeling, Max-Planck-Institute for Heart and Lung Research, Member of the German Center for Lung Research (DZL), Bad Nauheim, Germany
| | - Jörg Dötsch
- Department of Pediatric and Adolescent Medicine, Faculty of Medicine, University Hospital Cologne, and University of Cologne, Cologne, Germany
| | - Miguel A Alejandre Alcazar
- Department of Pediatric and Adolescent Medicine, Translational Experimental Pediatrics, Experimental Pulmonology, University Hospital Cologne, Faculty of Medicine, University of Cologne, Kerpener Strasse 62, Cologne, 50937, Germany.
- Universities of Giessen and Marburg Lung Center (UGMLC), member of the German Center for Lung Research (DZL), Institute for Lung Health (ILH) and Cardio-Pulmonary Institute (CPI), Gießen, Germany.
- Center for Molecular Medicine Cologne (CMMC), University Hospital Cologne, Faculty of Medicine, and University of Cologne, Cologne, Germany.
- Cologne Excellence Cluster On Stress Responses in Aging-Associated Diseases (CECAD), University Hospital of Cologne, University of Cologne, Cologne, Germany.
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29
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Han S, Budinger GS, Gottardi CJ. Alveolar epithelial regeneration in the aging lung. J Clin Invest 2023; 133:e170504. [PMID: 37843280 PMCID: PMC10575730 DOI: 10.1172/jci170504] [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] [Indexed: 10/17/2023] Open
Abstract
Advancing age is the most important risk factor for the development of and mortality from acute and chronic lung diseases, including pneumonia, chronic obstructive pulmonary disease, and pulmonary fibrosis. This risk was manifest during the COVID-19 pandemic, when elderly people were disproportionately affected and died from SARS-CoV-2 pneumonia. However, the recent pandemic also provided lessons on lung resilience. An overwhelming majority of patients with SARS-CoV-2 pneumonia, even those with severe disease, recovered with near-complete restoration of lung architecture and function. These observations are inconsistent with historic views of the lung as a terminally differentiated organ incapable of regeneration. Here, we review emerging hypotheses that explain how the lung repairs itself after injury and why these mechanisms of lung repair fail in some individuals, particularly the elderly.
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Affiliation(s)
- SeungHye Han
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - G.R. Scott Budinger
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
- Cell and Developmental Biology, Northwestern University, Chicago, Illinois, USA
| | - Cara J. Gottardi
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
- Cell and Developmental Biology, Northwestern University, Chicago, Illinois, USA
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30
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Phogat S, Thiam F, Al Yazeedi S, Abokor FA, Osei ET. 3D in vitro hydrogel models to study the human lung extracellular matrix and fibroblast function. Respir Res 2023; 24:242. [PMID: 37798767 PMCID: PMC10552248 DOI: 10.1186/s12931-023-02548-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 09/25/2023] [Indexed: 10/07/2023] Open
Abstract
The pulmonary extracellular matrix (ECM) is a macromolecular structure that provides mechanical support, stability and elastic recoil for different pulmonary cells including the lung fibroblasts. The ECM plays an important role in lung development, remodeling, repair, and the maintenance of tissue homeostasis. Biomechanical and biochemical signals produced by the ECM regulate the phenotype and function of various cells including fibroblasts in the lungs. Fibroblasts are important lung structural cells responsible for the production and repair of different ECM proteins (e.g., collagen and fibronectin). During lung injury and in chronic lung diseases such as asthma, idiopathic pulmonary fibrosis (IPF) and chronic obstructive pulmonary disease (COPD), an abnormal feedback between fibroblasts and the altered ECM disrupts tissue homeostasis and leads to a vicious cycle of fibrotic changes resulting in tissue remodeling. In line with this, using 3D hydrogel culture models with embedded lung fibroblasts have enabled the assessment of the various mechanisms involved in driving defective (fibrotic) fibroblast function in the lung's 3D ECM environment. In this review, we provide a summary of various studies that used these 3D hydrogel models to assess the regulation of the ECM on lung fibroblast phenotype and function in altered lung ECM homeostasis in health and in chronic respiratory disease.
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Affiliation(s)
- Sakshi Phogat
- Department of Biology, Okanagan Campus, University of British Columbia, 3187 University Way, ASC366, Kelowna, BC, V1V1V7, Canada
| | - Fama Thiam
- Department of Biology, Okanagan Campus, University of British Columbia, 3187 University Way, ASC366, Kelowna, BC, V1V1V7, Canada
| | - Safiya Al Yazeedi
- Department of Biology, Okanagan Campus, University of British Columbia, 3187 University Way, ASC366, Kelowna, BC, V1V1V7, Canada
| | - Filsan Ahmed Abokor
- Department of Biology, Okanagan Campus, University of British Columbia, 3187 University Way, ASC366, Kelowna, BC, V1V1V7, Canada
| | - Emmanuel Twumasi Osei
- Department of Biology, Okanagan Campus, University of British Columbia, 3187 University Way, ASC366, Kelowna, BC, V1V1V7, Canada.
- Centre for Heart Lung Innovation, St. Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada.
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31
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Ezzo M, Hinz B. Novel approaches to target fibroblast mechanotransduction in fibroproliferative diseases. Pharmacol Ther 2023; 250:108528. [PMID: 37708995 DOI: 10.1016/j.pharmthera.2023.108528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/09/2023] [Accepted: 09/07/2023] [Indexed: 09/16/2023]
Abstract
The ability of cells to sense and respond to changes in mechanical environment is vital in conditions of organ injury when the architecture of normal tissues is disturbed or lost. Among the various cellular players that respond to injury, fibroblasts take center stage in re-establishing tissue integrity by secreting and organizing extracellular matrix into stabilizing scar tissue. Activation, activity, survival, and death of scar-forming fibroblasts are tightly controlled by mechanical environment and proper mechanotransduction ensures that fibroblast activities cease after completion of the tissue repair process. Conversely, dysregulated mechanotransduction often results in fibroblast over-activation or persistence beyond the state of normal repair. The resulting pathological accumulation of extracellular matrix is called fibrosis, a condition that has been associated with over 40% of all deaths in the industrialized countries. Consequently, elements in fibroblast mechanotransduction are scrutinized for their suitability as anti-fibrotic therapeutic targets. We review the current knowledge on mechanically relevant factors in the fibroblast extracellular environment, cell-matrix and cell-cell adhesion structures, stretch-activated membrane channels, stress-regulated cytoskeletal structures, and co-transcription factors. We critically discuss the targetability of these elements in therapeutic approaches and their progress in pre-clinical and/or clinical trials to treat organ fibrosis.
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Affiliation(s)
- Maya Ezzo
- Keenan Research Institute for Biomedical Science of the St. Michael's Hospital, and Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada
| | - Boris Hinz
- Keenan Research Institute for Biomedical Science of the St. Michael's Hospital, and Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada.
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32
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Hewitt RJ, Puttur F, Gaboriau DCA, Fercoq F, Fresquet M, Traves WJ, Yates LL, Walker SA, Molyneaux PL, Kemp SV, Nicholson AG, Rice A, Roberts E, Lennon R, Carlin LM, Byrne AJ, Maher TM, Lloyd CM. Lung extracellular matrix modulates KRT5 + basal cell activity in pulmonary fibrosis. Nat Commun 2023; 14:6039. [PMID: 37758700 PMCID: PMC10533905 DOI: 10.1038/s41467-023-41621-y] [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: 12/03/2022] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
Aberrant expansion of KRT5+ basal cells in the distal lung accompanies progressive alveolar epithelial cell loss and tissue remodelling during fibrogenesis in idiopathic pulmonary fibrosis (IPF). The mechanisms determining activity of KRT5+ cells in IPF have not been delineated. Here, we reveal a potential mechanism by which KRT5+ cells migrate within the fibrotic lung, navigating regional differences in collagen topography. In vitro, KRT5+ cell migratory characteristics and expression of remodelling genes are modulated by extracellular matrix (ECM) composition and organisation. Mass spectrometry- based proteomics revealed compositional differences in ECM components secreted by primary human lung fibroblasts (HLF) from IPF patients compared to controls. Over-expression of ECM glycoprotein, Secreted Protein Acidic and Cysteine Rich (SPARC) in the IPF HLF matrix restricts KRT5+ cell migration in vitro. Together, our findings demonstrate how changes to the ECM in IPF directly influence KRT5+ cell behaviour and function contributing to remodelling events in the fibrotic niche.
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Affiliation(s)
- Richard J Hewitt
- National Heart and Lung Institute, Imperial College London, London, SW7 2AZ, UK
- Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, SW3 6NP, UK
| | - Franz Puttur
- National Heart and Lung Institute, Imperial College London, London, SW7 2AZ, UK
| | - David C A Gaboriau
- Facility for Imaging by Light Microscopy, National Heart and Lung Institute, Imperial College London, London, SW7 2AZ, UK
| | | | - Maryline Fresquet
- Wellcome Centre for Cell-Matrix Research, Division of Cell-Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
| | - William J Traves
- National Heart and Lung Institute, Imperial College London, London, SW7 2AZ, UK
| | - Laura L Yates
- National Heart and Lung Institute, Imperial College London, London, SW7 2AZ, UK
| | - Simone A Walker
- National Heart and Lung Institute, Imperial College London, London, SW7 2AZ, UK
| | - Philip L Molyneaux
- National Heart and Lung Institute, Imperial College London, London, SW7 2AZ, UK
- Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, SW3 6NP, UK
| | - Samuel V Kemp
- Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, SW3 6NP, UK
- Department of Respiratory Medicine, Nottingham University Hospitals NHS Trust, City Campus, Hucknall Road, Nottingham, NG5 1PB, UK
| | - Andrew G Nicholson
- Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, SW3 6NP, UK
| | - Alexandra Rice
- Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, SW3 6NP, UK
| | - Edward Roberts
- Cancer Research UK Beatson Institute, Glasgow, G61 1BD, UK
| | - Rachel Lennon
- Wellcome Centre for Cell-Matrix Research, Division of Cell-Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology Medicine and Health, The University of Manchester, Manchester, M13 9PT, UK
| | - Leo M Carlin
- Cancer Research UK Beatson Institute, Glasgow, G61 1BD, UK
- School of Cancer Sciences, University of Glasgow, Glasgow, G61 1QH, UK
| | - Adam J Byrne
- National Heart and Lung Institute, Imperial College London, London, SW7 2AZ, UK
| | - Toby M Maher
- National Heart and Lung Institute, Imperial College London, London, SW7 2AZ, UK
- Keck Medicine of USC, 1510 San Pablo Street, Los Angeles, CA, 90033, USA
| | - Clare M Lloyd
- National Heart and Lung Institute, Imperial College London, London, SW7 2AZ, UK.
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33
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Hoffman E, Song Y, Zhang F, Asarian L, Downs I, Young B, Han X, Ouyang Y, Xia K, Linhardt RJ, Weiss DJ. Regional and disease-specific glycosaminoglycan composition and function in decellularized human lung extracellular matrix. Acta Biomater 2023; 168:388-399. [PMID: 37433361 PMCID: PMC10528722 DOI: 10.1016/j.actbio.2023.06.043] [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: 02/24/2023] [Revised: 06/16/2023] [Accepted: 06/28/2023] [Indexed: 07/13/2023]
Abstract
Decellularized lung scaffolds and hydrogels are increasingly being utilized in ex vivo lung bioengineering. However, the lung is a regionally heterogenous organ with proximal and distal airway and vascular compartments of different structures and functions that may be altered as part of disease pathogenesis. We previously described decellularized normal whole human lung extracellular matrix (ECM) glycosaminoglycan (GAG) composition and functional ability to bind matrix-associated growth factors. We now determine differential GAG composition and function in airway, vascular, and alveolar-enriched regions of decellularized lungs obtained from normal, chronic obstructive pulmonary disease (COPD), and idiopathic pulmonary fibrosis (IPF) patients. Significant differences were observed in heparan sulfate (HS), chondroitin sulfate (CS), and hyaluronic acid (HA) content and CS/HS compositions between both different lung regions and between normal and diseased lungs. Surface plasmon resonance demonstrated that HS and CS from decellularized normal and COPD lungs similarly bound fibroblast growth factor 2, but that binding was decreased in decellularized IPF lungs. Binding of transforming growth factor β to CS was similar in all three groups but binding to HS was decreased in IPF compared to normal and COPD lungs. In addition, cytokines dissociate faster from the IPF GAGs than their counterparts. The differences in cytokine binding features of IPF GAGs may result from different disaccharide compositions. The purified HS from IPF lung is less sulfated than that from other lungs, and the CS from IPF contains more 6-O-sulfated disaccharide. These observations provide further information for understanding functional roles of ECM GAGs in lung function and disease. STATEMENT OF SIGNIFICANCE: Lung transplantation remains limited due to donor organ availability and need for life-long immunosuppressive medication. One solution, the ex vivo bioengineering of lungs via de- and recellularization has not yet led to a fully functional organ. Notably, the role of glycosaminoglycans (GAGs) remaining in decellularized lung scaffolds is poorly understood despite their important effects on cell behaviors. We have previously investigated residual GAG content of native and decellularized lungs and their respective functionality, and role during scaffold recellularization. We now present a detailed characterization of GAG and GAG chain content and function in different anatomical regions of normal diseased human lungs. These are novel and important observations that further expand knowledge about functional GAG roles in lung biology and disease.
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Affiliation(s)
- Evan Hoffman
- Larner College of Medicine, University of Vermont, 149 Beaumont Avenue, Health Science Research Facility (HSRF) 226, Burlington, VT 05405, USA
| | - Yuefan Song
- Rensselaer Polytechnic Institute, Center for Biotechnology and Interdisciplinary Studies, Troy, NY, USA
| | - Fuming Zhang
- Rensselaer Polytechnic Institute, Center for Biotechnology and Interdisciplinary Studies, Troy, NY, USA
| | - Loredana Asarian
- Larner College of Medicine, University of Vermont, 149 Beaumont Avenue, Health Science Research Facility (HSRF) 226, Burlington, VT 05405, USA
| | - Isaac Downs
- Larner College of Medicine, University of Vermont, 149 Beaumont Avenue, Health Science Research Facility (HSRF) 226, Burlington, VT 05405, USA
| | - Brad Young
- Larner College of Medicine, University of Vermont, 149 Beaumont Avenue, Health Science Research Facility (HSRF) 226, Burlington, VT 05405, USA
| | - Xiaorui Han
- Rensselaer Polytechnic Institute, Center for Biotechnology and Interdisciplinary Studies, Troy, NY, USA
| | - Yilan Ouyang
- Rensselaer Polytechnic Institute, Center for Biotechnology and Interdisciplinary Studies, Troy, NY, USA
| | - Ke Xia
- Rensselaer Polytechnic Institute, Center for Biotechnology and Interdisciplinary Studies, Troy, NY, USA
| | - Robert J Linhardt
- Rensselaer Polytechnic Institute, Center for Biotechnology and Interdisciplinary Studies, Troy, NY, USA
| | - Daniel J Weiss
- Larner College of Medicine, University of Vermont, 149 Beaumont Avenue, Health Science Research Facility (HSRF) 226, Burlington, VT 05405, USA.
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34
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Seixas ML, Bartolomeo CS, Lemes R, Nicoliche T, Okuda LH, Martins L, Ureshino R, Prado CM, Liguori TTA, Liguori GR, Stilhano RS. Disruptive 3D in vitro models for respiratory disease investigation: A state-of-the-art approach focused on SARS-CoV-2 infection. BIOMATERIALS AND BIOSYSTEMS 2023; 11:100082. [PMID: 37534107 PMCID: PMC10391659 DOI: 10.1016/j.bbiosy.2023.100082] [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: 02/02/2023] [Revised: 07/03/2023] [Accepted: 07/08/2023] [Indexed: 08/04/2023] Open
Abstract
COVID-19, along with most respiratory diseases in the medical field, demonstrates significant ability to take its toll on global population. There is a particular difficulty in studying these conditions, which stems especially from the short supply of in vitro models for detailed investigation, the specific therapeutic knowledge required for disease scrutinization and the occasional need of BSL-3 [Biosafety Level 3] laboratories for research. Based on this, the process of drug development is hampered to a great extent. In the scenario of COVID-19, this difficulty is even more substantial on account of the current undefinition regarding the exact role of the ACE2 [Angiotensin-converting enzyme 2] receptor upon SARS-CoV-2 kinetics in human cells and the great level of demand in the investigation process of ACE2, which usually requires the laborious and ethically complicated usage of transgenic animal models overexpressing the receptor. Moreover, the rapid progression of the aforementioned diseases, especially COVID-19, poses a crucial necessity for adequate therapeutic solutions emergence. In this context, the work herein presented introduces a groundbreaking set of 3D models, namely spheroids and MatriWell cell culture inserts, whose remarkable ability to mimic the in vivo environment makes them highly suitable for respiratory diseases investigation, particularly SARS-CoV-2 infection. Using MatriWells, we developed an innovative platform for COVID-19 research: a pulmonary air-liquid interface [ALI] associated with endothelial (HUVEC) cells. Infection studies revealed that pulmonary (BEAS-2B) cells in the ALI reached peak viral load at 24h and endothelial cells, at 48h, demonstrating lung viral replication and subsequent hematogenous dissemination, which provides us with a unique and realistic framework for studying COVID-19. Simultaneously, the spheroids were used to address the understudied ACE2 receptor, aiming at a pronounced process of COVID-19 investigation. ACE2 expression not only increased spheroid diameter by 20% (p<0.001) and volume by 60% (p≤0.0001) but also led to a remarkable 640-fold increase in intracellular viral load (p≤0.01). The previously mentioned finding supports ACE2 as a potential target for COVID-19 treatment. Lastly, we observed a higher viral load in the MatriWells compared to spheroids (150-fold, p<0.0001), suggesting the MatriWells as a more appropriate approach for COVID-19 investigation. By establishing an advanced method for respiratory tract conditions research, this work paves the way toward an efficacious process of drug development, contributing to a change in the course of respiratory diseases such as COVID-19.
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Affiliation(s)
- Maria Luiza Seixas
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences, São Paulo, Brazil
| | - Cynthia Silva Bartolomeo
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences, São Paulo, Brazil
- Department of Biosciences, Federal University of São Paulo, Santos, Brazil
| | - Robertha Lemes
- Department of Biological Sciences, Federal University of São Paulo, Diadema, Brazil
- Laboratory of Molecular and Translational Endocrinology, Federal University of São Paulo, São Paulo, SP, Brazil
| | - Tiago Nicoliche
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences, São Paulo, Brazil
| | - Liria Hiromi Okuda
- Biological Institute, Agriculture and Supply Department, São Paulo, SP, Brazil
| | - Leonardo Martins
- Division of Medical Sciences, Laboratory of Transcriptional Regulation, Institute of Medical Biology of Polish Academy of Sciences (IMB-PAN), Poland
| | - Rodrigo Ureshino
- Department of Biological Sciences, Federal University of São Paulo, Diadema, Brazil
- Laboratory of Molecular and Translational Endocrinology, Federal University of São Paulo, São Paulo, SP, Brazil
- Post-graduation Program in Chemistry-Biology, Federal University of São Paulo, Diadema, Brazil
| | - Carla Maximo Prado
- Department of Biosciences, Federal University of São Paulo, Santos, Brazil
| | | | | | - Roberta Sessa Stilhano
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences, São Paulo, Brazil
- Post-graduation Program in Chemistry-Biology, Federal University of São Paulo, Diadema, Brazil
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35
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Mebratu YA, Soni S, Rosas L, Rojas M, Horowitz JC, Nho R. The aged extracellular matrix and the profibrotic role of senescence-associated secretory phenotype. Am J Physiol Cell Physiol 2023; 325:C565-C579. [PMID: 37486065 PMCID: PMC10511170 DOI: 10.1152/ajpcell.00124.2023] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 07/13/2023] [Accepted: 07/13/2023] [Indexed: 07/25/2023]
Abstract
Idiopathic pulmonary fibrosis (IPF) is an irreversible and fatal lung disease that is primarily found in the elderly population, and several studies have demonstrated that aging is the major risk factor for IPF. IPF is characterized by the presence of apoptosis-resistant, senescent fibroblasts that generate an excessively stiff extracellular matrix (ECM). The ECM profoundly affects cellular functions and tissue homeostasis, and an aberrant ECM is closely associated with the development of lung fibrosis. Aging progressively alters ECM components and is associated with the accumulation of senescent cells that promote age-related tissue dysfunction through the expression of factors linked to a senescence-associated secretary phenotype (SASP). There is growing evidence that SASP factors affect various cell behaviors and influence ECM turnover in lung tissue through autocrine and/or paracrine signaling mechanisms. Since life expectancy is increasing worldwide, it is important to elucidate how aging affects ECM dynamics and turnover via SASP and thereby promotes lung fibrosis. In this review, we will focus on the molecular properties of SASP and its regulatory mechanisms. Furthermore, the pathophysiological process of ECM remodeling by SASP factors and the influence of an altered ECM from aged lungs on the development of lung fibrosis will be highlighted. Finally, recent attempts to target ECM alteration and senescent cells to modulate fibrosis will be introduced.NEW & NOTEWORTHY Aging is the most prominent nonmodifiable risk factor for various human diseases including Idiopathic pulmonary fibrosis. Aging progressively alters extracellular matrix components and is associated with the accumulation of senescent cells that promote age-related tissue dysfunction. In this review, we will discuss the pathological impact of aging and senescence on lung fibrosis via senescence-associated secretary phenotype factors and potential therapeutic approaches to limit the progression of lung fibrosis.
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Affiliation(s)
- Yohannes A Mebratu
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, United States
| | - Sourabh Soni
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, United States
| | - Lorena Rosas
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, United States
| | - Mauricio Rojas
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, United States
| | - Jeffrey C Horowitz
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, United States
| | - Richard Nho
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, The Davis Heart and Lung Research Institute, The Ohio State University, Columbus, Ohio, United States
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Fonseca VC, Van V, Ip BC. Primary Human Cell-Derived Extracellular Matrix from Decellularized Fibroblast Microtissues with Tissue-Dependent Composition and Microstructure. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.15.553420. [PMID: 37645710 PMCID: PMC10462104 DOI: 10.1101/2023.08.15.553420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Human extracellular matrix (ECM) exhibits complex protein composition and architecture depending on tissue and disease state, which remains challenging to reverse engineer. One promising approach is based on cell-secreted ECM from human fibroblasts, which can then be decellularized into an acellular biomaterial. However, fibroblasts initially seeded on rigid tissue culture plastic or biomaterial scaffolds experience aberrant mechanical cues that influence ECM deposition. Here, we show that engineered microtissues of primary human fibroblasts seeded in low-adhesion microwells can be decellularized to produce human, tissue-specific ECM. We investigate: 1) cardiac fibroblasts, as well as 2) lung fibroblasts from healthy, idiopathic fibrosis and chronic obstructive pulmonary disease donors. We demonstrate optimized culture and decellularization conditions, then characterize gene expression and protein composition. We further characterize ECM microstructure and mechanical properties. We envision that this method could be utilized for biomanufacturing of patient and tissue-specific ECM for organoid drug screening as well as implantable scaffolds. Impact In this study, we demonstrate a method for preparing decellularized matrix using primary human fibroblasts with tissue and disease-specific features. We aggregate single cell dispersions into engineered tissues using low adhesion microwells and show culture conditions that promote ECM deposition. We demonstrate this approach for cardiac fibroblasts as well as lung fibroblasts (both normal and diseased). We systematically investigate tissue morphology, matrix architecture, and mechanical properties, along with transcriptomic and proteomic analysis. This approach should be widely applicable for generating personalized ECM with features of patient tissues and disease state, relevant for culturing patient cells ex vivo as well as implantation for therapeutic treatments.
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Zhou Y, Thannickal VJ. Demystifying the Enigmatic Fibroblast in Pulmonary Fibrosis. Am J Respir Cell Mol Biol 2023; 69:1-2. [PMID: 37040483 PMCID: PMC10324038 DOI: 10.1165/rcmb.2023-0090ed] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/13/2023] Open
Affiliation(s)
- Yong Zhou
- Department of Medicine University of Alabama at Birmingham Birmingham, Alabama
| | - Victor J Thannickal
- John W. Deming Department of Medicine Tulane University New Orleans, Louisiana and Southeast Louisiana Veterans Health Care System New Orleans, Louisiana
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Liu X, Dai K, Zhang X, Huang G, Lynn H, Rabata A, Liang J, Noble PW, Jiang D. Multiple Fibroblast Subtypes Contribute to Matrix Deposition in Pulmonary Fibrosis. Am J Respir Cell Mol Biol 2023; 69:45-56. [PMID: 36927333 PMCID: PMC10324043 DOI: 10.1165/rcmb.2022-0292oc] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 03/16/2023] [Indexed: 03/18/2023] Open
Abstract
Progressive pulmonary fibrosis results from a dysfunctional tissue repair response and is characterized by fibroblast proliferation, activation, and invasion and extracellular matrix accumulation. Lung fibroblast heterogeneity is well recognized. With single-cell RNA sequencing, fibroblast subtypes have been reported by recent studies. However, the roles of fibroblast subtypes in effector functions in lung fibrosis are not well understood. In this study, we incorporated the recently published single-cell RNA-sequencing datasets on murine lung samples of fibrosis models and human lung samples of fibrotic diseases and analyzed fibroblast gene signatures. We identified and confirmed the novel fibroblast subtypes we reported recently across all samples of both mouse models and human lung fibrotic diseases, including idiopathic pulmonary fibrosis, systemic sclerosis-associated interstitial lung disease, and coronavirus disease (COVID-19). Furthermore, we identified specific cell surface proteins for each fibroblast subtype through differential gene expression analysis, which enabled us to isolate primary cells representing distinct fibroblast subtypes by flow cytometry sorting. We compared matrix production, including fibronectin, collagen, and hyaluronan, after profibrotic factor stimulation and assessed the invasive capacity of each fibroblast subtype. Our results suggest that in addition to myofibroblasts, lipofibroblasts and Ebf1+ (Ebf transcription factor 1+) fibroblasts are two important fibroblast subtypes that contribute to matrix deposition and also have enhanced invasive, proliferative, and contraction phenotypes. The histological locations of fibroblast subtypes are identified in healthy and fibrotic lungs by these cell surface proteins. This study provides new insights to inform approaches to targeting lung fibroblast subtypes to promote the development of therapeutics for lung fibrosis.
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Affiliation(s)
- Xue Liu
- Department of Medicine and Women’s Guild Lung Institute and
| | - Kristy Dai
- Department of Medicine and Women’s Guild Lung Institute and
| | - Xuexi Zhang
- Department of Medicine and Women’s Guild Lung Institute and
| | - Guanling Huang
- Department of Medicine and Women’s Guild Lung Institute and
| | - Heather Lynn
- Department of Medicine and Women’s Guild Lung Institute and
| | - Anas Rabata
- Department of Medicine and Women’s Guild Lung Institute and
| | - Jiurong Liang
- Department of Medicine and Women’s Guild Lung Institute and
| | - Paul W. Noble
- Department of Medicine and Women’s Guild Lung Institute and
| | - Dianhua Jiang
- Department of Medicine and Women’s Guild Lung Institute and
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, California
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Dabaghi M, Carpio MB, Saraei N, Moran-Mirabal JM, Kolb MR, Hirota JA. A roadmap for developing and engineering in vitro pulmonary fibrosis models. BIOPHYSICS REVIEWS 2023; 4:021302. [PMID: 38510343 PMCID: PMC10903385 DOI: 10.1063/5.0134177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 04/03/2023] [Indexed: 03/22/2024]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a severe form of pulmonary fibrosis. IPF is a fatal disease with no cure and is challenging to diagnose. Unfortunately, due to the elusive etiology of IPF and a late diagnosis, there are no cures for IPF. Two FDA-approved drugs for IPF, nintedanib and pirfenidone, slow the progression of the disease, yet fail to cure or reverse it. Furthermore, most animal models have been unable to completely recapitulate the physiology of human IPF, resulting in the failure of many drug candidates in preclinical studies. In the last few decades, the development of new IPF drugs focused on changes at the cellular level, as it was believed that the cells were the main players in IPF development and progression. However, recent studies have shed light on the critical role of the extracellular matrix (ECM) in IPF development, where the ECM communicates with cells and initiates a positive feedback loop to promote fibrotic processes. Stemming from this shift in the understanding of fibrosis, there is a need to develop in vitro model systems that mimic the human lung microenvironment to better understand how biochemical and biomechanical cues drive fibrotic processes in IPF. However, current in vitro cell culture platforms, which may include substrates with different stiffness or natural hydrogels, have shortcomings in recapitulating the complexity of fibrosis. This review aims to draw a roadmap for developing advanced in vitro pulmonary fibrosis models, which can be leveraged to understand better different mechanisms involved in IPF and develop drug candidates with improved efficacy. We begin with a brief overview defining pulmonary fibrosis and highlight the importance of ECM components in the disease progression. We focus on fibroblasts and myofibroblasts in the context of ECM biology and fibrotic processes, as most conventional advanced in vitro models of pulmonary fibrosis use these cell types. We transition to discussing the parameters of the 3D microenvironment that are relevant in pulmonary fibrosis progression. Finally, the review ends by summarizing the state of the art in the field and future directions.
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Affiliation(s)
- Mohammadhossein Dabaghi
- Firestone Institute for Respiratory Health—Division of Respirology, Department of Medicine, McMaster University, St. Joseph's Healthcare Hamilton, 50 Charlton Avenue East, Hamilton, Ontario L8N 4A6, Canada
| | - Mabel Barreiro Carpio
- Department of Chemistry and Chemical Biology, McMaster University, Arthur N. Bourns Science Building, 1280 Main Street West, Hamilton, Ontario L8S 4M1, Canada
| | - Neda Saraei
- School of Biomedical Engineering, McMaster University, Engineering Technology Building, 1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada
| | | | - Martin R. Kolb
- Firestone Institute for Respiratory Health—Division of Respirology, Department of Medicine, McMaster University, St. Joseph's Healthcare Hamilton, 50 Charlton Avenue East, Hamilton, Ontario L8N 4A6, Canada
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Zheng Z, Peng F, Zhou Y. Pulmonary fibrosis: A short- or long-term sequelae of severe COVID-19? CHINESE MEDICAL JOURNAL PULMONARY AND CRITICAL CARE MEDICINE 2023; 1:77-83. [PMID: 37388822 PMCID: PMC9988550 DOI: 10.1016/j.pccm.2022.12.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 10/21/2022] [Accepted: 12/04/2022] [Indexed: 07/01/2023]
Abstract
The pandemic of coronavirus disease 2019 (COVID‑19), caused by a novel severe acute respiratory syndrome (SARS) coronavirus 2 (SARS-CoV-2), has caused an enormous impact on the global healthcare. SARS-CoV-2 infection primarily targets the respiratory system. Although most individuals testing positive for SARS-CoV-2 present mild or no upper respiratory tract symptoms, patients with severe COVID-19 can rapidly progress to acute respiratory distress syndrome (ARDS). ARDS-related pulmonary fibrosis is a recognized sequelae of COVID-19. Whether post-COVID-19 lung fibrosis is resolvable, persistent, or even becomes progressive as seen in human idiopathic pulmonary fibrosis (IPF) is currently not known and remains a matter of debate. With the emergence of effective vaccines and treatments against COVID-19, it is now important to build our understanding of the long-term sequela of SARS-CoV-2 infection, to identify COVID-19 survivors who are at risk of developing chronic pulmonary fibrosis, and to develop effective anti-fibrotic therapies. The current review aims to summarize the pathogenesis of COVID-19 in the respiratory system and highlights ARDS-related lung fibrosis in severe COVID-19 and the potential mechanisms. It envisions the long-term fibrotic lung complication in COVID-19 survivors, in particular in the aged population. The early identification of patients at risk of developing chronic lung fibrosis and the development of anti-fibrotic therapies are discussed.
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Affiliation(s)
- Zhen Zheng
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Fei Peng
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Department of Respiratory Medicine, The Second Xiangya Hospital, Central-South University, Changsha, Hunan 410011, China
| | - Yong Zhou
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA
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Koloko Ngassie ML, De Vries M, Borghuis T, Timens W, Sin DD, Nickle D, Joubert P, Horvatovich P, Marko-Varga G, Teske JJ, Vonk JM, Gosens R, Prakash YS, Burgess JK, Brandsma CA. Age-associated differences in the human lung extracellular matrix. Am J Physiol Lung Cell Mol Physiol 2023; 324:L799-L814. [PMID: 37039368 PMCID: PMC10202478 DOI: 10.1152/ajplung.00334.2022] [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: 10/05/2022] [Revised: 02/15/2023] [Accepted: 04/02/2023] [Indexed: 04/12/2023] Open
Abstract
Extracellular matrix (ECM) remodeling has been associated with chronic lung diseases. However, information about specific age-associated differences in lung ECM is currently limited. In this study, we aimed to identify and localize age-associated ECM differences in human lungs using comprehensive transcriptomic, proteomic, and immunohistochemical analyses. Our previously identified age-associated gene expression signature of the lung was re-analyzed limiting it to an aging signature based on 270 control patients (37-80 years) and focused on the Matrisome core geneset using geneset enrichment analysis. To validate the age-associated transcriptomic differences on protein level, we compared the age-associated ECM genes (false discovery rate, FDR < 0.05) with a profile of age-associated proteins identified from a lung tissue proteomics dataset from nine control patients (49-76 years) (FDR < 0.05). Extensive immunohistochemical analysis was used to localize and semi-quantify the age-associated ECM differences in lung tissues from 62 control patients (18-82 years). Comparative analysis of transcriptomic and proteomic data identified seven ECM proteins with higher expression with age at both gene and protein levels: COL1A1, COL6A1, COL6A2, COL14A1, FBLN2, LTBP4, and LUM. With immunohistochemistry, we demonstrated higher protein levels with age for COL6A2 in whole tissue, parenchyma, airway wall, and blood vessel, for COL14A1 and LUM in bronchial epithelium, and COL1A1 in lung parenchyma. Our study revealed that higher age is associated with lung ECM remodeling, with specific differences occurring in defined regions within the lung. These differences may affect lung structure and physiology with aging and as such may increase susceptibility to developing chronic lung diseases.NEW & NOTEWORTHY We identified seven age-associated extracellular matrix (ECM) proteins, i.e., COL1A1, COL6A1, COL6A2 COL14A1, FBLN2, LTBP4, and LUM with higher transcript and protein levels in human lung tissue with age. Extensive immunohistochemical analysis revealed significant age-associated differences for COL6A2 in whole tissue, parenchyma, airway wall, and vessel, for COL14A1 and LUM in bronchial epithelium, and COL1A1 in parenchyma. Our findings lay a new foundation for the investigation of ECM differences in age-associated chronic lung diseases.
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Affiliation(s)
- Maunick Lefin Koloko Ngassie
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Maaike De Vries
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Theo Borghuis
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Wim Timens
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Don D Sin
- Centre for Heart Lung Innovation at St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
| | - David Nickle
- Monoceros Bio, San Diego, California, United States
| | - Philippe Joubert
- Institut Universitaire de Cardiologie et de Pneumologie de Québec, Quebec City, Quebec, Canada
| | - Peter Horvatovich
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, Groningen, Netherlands
| | - György Marko-Varga
- Center of Excellence in Biological and Medical Mass Spectrometry, Biomedical Center, Lund University, Lund, Sweden
| | - Jacob J Teske
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota, United States
| | - Judith M Vonk
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Reinoud Gosens
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Department of Molecular Pharmacology, University of Groningen, Groningen, Netherlands
| | - Y S Prakash
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota, United States
| | - Janette K Burgess
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Corry-Anke Brandsma
- Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
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Zhao M, Ding N, Wang H, Zu S, Liu H, Wen J, Liu J, Ge N, Wang W, Zhang X. Activation of TRPA1 in Bladder Suburothelial Myofibroblasts Counteracts TGF-β1-Induced Fibrotic Changes. Int J Mol Sci 2023; 24:ijms24119501. [PMID: 37298451 DOI: 10.3390/ijms24119501] [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: 02/23/2023] [Revised: 05/15/2023] [Accepted: 05/19/2023] [Indexed: 06/12/2023] Open
Abstract
The activation of the transient receptor potential ankyrin 1 (TRPA1) channel has anti-fibrotic effects in the lung and intestine. Suburothelial myofibroblasts (subu-MyoFBs), a specialized subset of fibroblasts in the bladder, are known to express TRPA1. However, the role of the TRPA1 in the development of bladder fibrosis remains elusive. In this study, we use the transforming growth factor-β1 (TGF-β1) to induce fibrotic changes in subu-MyoFBs and assess the consequences of TRPA1 activation utilizing RT-qPCR, western blotting, and immunocytochemistry. TGF-β1 stimulation increased α-SMA, collagen type I alpha 1 chain(col1A1), collagen type III (col III), and fibronectin expression, while simultaneously suppressing TRPA1 in cultured human subu-MyoFBs. The activation of TRPA1, with its specific agonist allylisothiocyanate (AITC), inhibited TGF-β1-induced fibrotic changes, and part of these inhibition effects could be reversed by the TRPA1 antagonist, HC030031, or by reducing TRPA1 expression via RNA interference. Furthermore, AITC reduced spinal cord injury-induced fibrotic bladder changes in a rat model. The increased expression of TGF-β1, α-SMA, col1A1 and col III, and fibronectin, and the downregulation of TRPA1, were also detected in the mucosa of fibrotic human bladders. These findings suggest that TRPA1 plays a pivotal role in bladder fibrosis, and the negative cross talk between TRPA1 and TGF-β1 signaling may represent one of the mechanisms underlying fibrotic bladder lesions.
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Affiliation(s)
- Mengmeng Zhao
- Department of Urology, The Second Hospital of Shandong University, Jinan 250033, China
| | - Ning Ding
- Department of Urology, The Second Hospital of Shandong University, Jinan 250033, China
| | - Haoyu Wang
- Department of Urology, The Second Hospital of Shandong University, Jinan 250033, China
| | - Shulu Zu
- Department of Urology, The Second Hospital of Shandong University, Jinan 250033, China
| | - Hanwen Liu
- Department of Urology, The Second Hospital of Shandong University, Jinan 250033, China
| | - Jiliang Wen
- Department of Urology, The Second Hospital of Shandong University, Jinan 250033, China
| | - Jiaxin Liu
- Department of Urology, The Second Hospital of Shandong University, Jinan 250033, China
| | - Nan Ge
- Department of Urology, The Second Hospital of Shandong University, Jinan 250033, China
| | - Wenzhen Wang
- Department of Urology, The Second Hospital of Shandong University, Jinan 250033, China
| | - Xiulin Zhang
- Department of Urology, The Second Hospital of Shandong University, Jinan 250033, China
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Derman ID, Singh YP, Saini S, Nagamine M, Banerjee D, Ozbolat IT. Bioengineering and Clinical Translation of Human Lung and its Components. Adv Biol (Weinh) 2023; 7:e2200267. [PMID: 36658734 PMCID: PMC10121779 DOI: 10.1002/adbi.202200267] [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: 09/29/2022] [Revised: 11/18/2022] [Indexed: 01/21/2023]
Abstract
Clinical lung transplantation has rapidly established itself as the gold standard of treatment for end-stage lung diseases in a restricted group of patients since the first successful lung transplant occurred. Although significant progress has been made in lung transplantation, there are still numerous obstacles on the path to clinical success. The development of bioartificial lung grafts using patient-derived cells may serve as an alternative treatment modality; however, challenges include developing appropriate scaffold materials, advanced culture strategies for lung-specific multiple cell populations, and fully matured constructs to ensure increased transplant lifetime following implantation. This review highlights the development of tissue-engineered tracheal and lung equivalents over the past two decades, key problems in lung transplantation in a clinical environment, the advancements made in scaffolds, bioprinting technologies, bioreactors, organoids, and organ-on-a-chip technologies. The review aims to fill the lacuna in existing literature toward a holistic bioartificial lung tissue, including trachea, capillaries, airways, bifurcating bronchioles, lung disease models, and their clinical translation. Herein, the efforts are on bridging the application of lung tissue engineering methods in a clinical environment as it is thought that tissue engineering holds enormous promise for overcoming the challenges associated with the clinical translation of bioengineered human lung and its components.
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Affiliation(s)
- I. Deniz Derman
- Engineering Science and Mechanics Department, Penn State University; University Park, PA, 16802, USA
- The Huck Institutes of the Life Sciences, Penn State University; University Park, PA, 16802, USA
| | - Yogendra Pratap Singh
- Engineering Science and Mechanics Department, Penn State University; University Park, PA, 16802, USA
- The Huck Institutes of the Life Sciences, Penn State University; University Park, PA, 16802, USA
| | - Shweta Saini
- Engineering Science and Mechanics Department, Penn State University; University Park, PA, 16802, USA
- Department of Biological Sciences, Indian Institute of Science Education and Research Mohali, India
| | - Momoka Nagamine
- The Huck Institutes of the Life Sciences, Penn State University; University Park, PA, 16802, USA
- Department of Chemistry, Penn State University; University Park, PA,16802, USA
| | - Dishary Banerjee
- Engineering Science and Mechanics Department, Penn State University; University Park, PA, 16802, USA
- The Huck Institutes of the Life Sciences, Penn State University; University Park, PA, 16802, USA
| | - Ibrahim T. Ozbolat
- Engineering Science and Mechanics Department, Penn State University; University Park, PA, 16802, USA
- The Huck Institutes of the Life Sciences, Penn State University; University Park, PA, 16802, USA
- Biomedical Engineering Department, Penn State University; University Park, PA, 16802, USA
- Materials Research Institute, Penn State University; University Park, PA, 16802, USA
- Cancer Institute, Penn State University; University Park, PA, 16802, USA
- Neurosurgery Department, Penn State University; University Park, PA, 16802, USA
- Department of Medical Oncology, Cukurova University, Adana, Turkey
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Naba A. 10 years of extracellular matrix proteomics: Accomplishments, challenges, and future perspectives. Mol Cell Proteomics 2023; 22:100528. [PMID: 36918099 PMCID: PMC10152135 DOI: 10.1016/j.mcpro.2023.100528] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 03/03/2023] [Accepted: 03/06/2023] [Indexed: 03/13/2023] Open
Abstract
The extracellular matrix (ECM) is a complex assembly of hundreds of proteins forming the architectural scaffold of multicellular organisms. In addition to its structural role, the ECM conveys signals orchestrating cellular phenotypes. Alterations of ECM composition, abundance, structure, or mechanics, have been linked to diseases and disorders affecting all physiological systems, including fibrosis and cancer. Deciphering the protein composition of the ECM and how it changes in pathophysiological contexts is thus the first step toward understanding the roles of the ECM in health and disease and toward the development of therapeutic strategies to correct disease-causing ECM alterations. Potentially, the ECM also represents a vast, yet untapped reservoir of disease biomarkers. ECM proteins are characterized by unique biochemical properties that have hindered their study: they are large, heavily and uniquely post-translationally modified, and highly insoluble. Overcoming these challenges, we and others have devised mass-spectrometry-based proteomic approaches to define the ECM composition, or "matrisome", of tissues. This review provides a historical overview of ECM proteomics research and presents the latest advances that now allow the profiling of the ECM of healthy and diseased tissues. The second part highlights recent examples illustrating how ECM proteomics has emerged as a powerful discovery pipeline to identify prognostic cancer biomarkers. The third part discusses remaining challenges limiting our ability to translate findings to clinical application and proposes approaches to overcome them. Last, the review introduces readers to resources available to facilitate the interpretation of ECM proteomics datasets. The ECM was once thought to be impenetrable. MS-based proteomics has proven to be a powerful tool to decode the ECM. In light of the progress made over the past decade, there are reasons to believe that the in-depth exploration of the matrisome is within reach and that we may soon witness the first translational application of ECM proteomics.
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Affiliation(s)
- Alexandra Naba
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, IL 60612, USA; University of Illinois Cancer Center, Chicago, IL 60612, USA.
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45
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Venuto S, Coda ARD, González-Pérez R, Laselva O, Tolomeo D, Storlazzi CT, Liso A, Conese M. IGFBP-6 Network in Chronic Inflammatory Airway Diseases and Lung Tumor Progression. Int J Mol Sci 2023; 24:ijms24054804. [PMID: 36902237 PMCID: PMC10003725 DOI: 10.3390/ijms24054804] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 02/24/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
The lung is an accomplished organ for gas exchanges and directly faces the external environment, consequently exposing its large epithelial surface. It is also the putative determinant organ for inducing potent immune responses, holding both innate and adaptive immune cells. The maintenance of lung homeostasis requires a crucial balance between inflammation and anti-inflammation factors, and perturbations of this stability are frequently associated with progressive and fatal respiratory diseases. Several data demonstrate the involvement of the insulin-like growth factor (IGF) system and their binding proteins (IGFBPs) in pulmonary growth, as they are specifically expressed in different lung compartments. As we will discuss extensively in the text, IGFs and IGFBPs are implicated in normal pulmonary development but also in the pathogenesis of various airway diseases and lung tumors. Among the known IGFBPs, IGFBP-6 shows an emerging role as a mediator of airway inflammation and tumor-suppressing activity in different lung tumors. In this review, we assess the current state of IGFBP-6's multiple roles in respiratory diseases, focusing on its function in the inflammation and fibrosis in respiratory tissues, together with its role in controlling different types of lung cancer.
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Affiliation(s)
- Santina Venuto
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
| | | | - Ruperto González-Pérez
- Allergy Department, Hospital Universitario de Canarias, 38320 Tenerife, Spain
- Severe Asthma Unit, Hospital Universitario de Canarias, 38320 Tenerife, Spain
| | - Onofrio Laselva
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy
| | - Doron Tolomeo
- Department of Biosciences, Biotechnology and Environment, University of Bari Aldo Moro, 70125 Bari, Italy
| | - Clelia Tiziana Storlazzi
- Department of Biosciences, Biotechnology and Environment, University of Bari Aldo Moro, 70125 Bari, Italy
| | - Arcangelo Liso
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy
- Correspondence:
| | - Massimo Conese
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy
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46
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McCoy AM, Lakhdari O, Shome S, Caoili K, Hernandez GE, Aghaeepour N, Butcher LD, Fisch K, Prince LS. Sp3 is essential for normal lung morphogenesis and cell cycle progression during mouse embryonic development. Development 2023; 150:dev200839. [PMID: 36762637 PMCID: PMC10110423 DOI: 10.1242/dev.200839] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 01/18/2023] [Indexed: 02/11/2023]
Abstract
Members of the Sp family of transcription factors regulate gene expression via binding GC boxes within promoter regions. Unlike Sp1, which stimulates transcription, the closely related Sp3 can either repress or activate gene expression and is required for perinatal survival in mice. Here, we use RNA-seq and cellular phenotyping to show how Sp3 regulates murine fetal cell differentiation and proliferation. Homozygous Sp3-/- mice were smaller than wild-type and Sp+/- littermates, died soon after birth and had abnormal lung morphogenesis. RNA-seq of Sp3-/- fetal lung mesenchymal cells identified alterations in extracellular matrix production, developmental signaling pathways and myofibroblast/lipofibroblast differentiation. The lungs of Sp3-/- mice contained multiple structural defects, with abnormal endothelial cell morphology, lack of elastic fiber formation, and accumulation of lipid droplets within mesenchymal lipofibroblasts. Sp3-/- cells and mice also displayed cell cycle arrest, with accumulation in G0/G1 and reduced expression of numerous cell cycle regulators including Ccne1. These data detail the global impact of Sp3 on in vivo mouse gene expression and development.
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Affiliation(s)
- Alyssa M. McCoy
- Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, USA
- Department of Pharmacology, Meharry Medical College, Nashville, TN 37208, USA
| | - Omar Lakhdari
- Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, USA
| | - Sayane Shome
- Department of Pediatrics, Stanford University, Palo Alto, CA 94304, USA
- Department of Anesthesiology, Perioperative and Pain Management, Stanford University, Palo Alto, CA 94305, USA
| | - Kaitlin Caoili
- Department of Pediatrics, Stanford University, Palo Alto, CA 94304, USA
| | - Gilberto E. Hernandez
- Department of Pediatrics, University of California, San Diego, La Jolla, CA 92093, USA
| | - Nima Aghaeepour
- Department of Pediatrics, Stanford University, Palo Alto, CA 94304, USA
- Department of Anesthesiology, Perioperative and Pain Management, Stanford University, Palo Alto, CA 94305, USA
| | | | - Kathleen Fisch
- Department of Obstetrics, Gynecology, and Reproductive Services, University of California, San Diego, La Jolla, CA 92093, USA
- Center for Computational Biology & Bioinformatics, University of California, San Diego, La Jolla, CA 92093, USA
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47
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Klee S, Picart-Armada S, Wenger K, Birk G, Quast K, Veyel D, Rist W, Violet C, Luippold A, Haslinger C, Thomas M, Fernandez-Albert F, Kästle M. Transcriptomic and proteomic profiling of young and old mice in the bleomycin model reveals high similarity. Am J Physiol Lung Cell Mol Physiol 2023; 324:L245-L258. [PMID: 36625483 DOI: 10.1152/ajplung.00253.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
The most common preclinical, in vivo model to study lung fibrosis is the bleomycin-induced lung fibrosis model in 2- to 3-mo-old mice. Although this model resembles key aspects of idiopathic pulmonary fibrosis (IPF), there are limitations in its predictability for the human disease. One of the main differences is the juvenile age of animals that are commonly used in experiments, resembling humans of around 20 yr. Because IPF patients are usually older than 60 yr, aging appears to play an important role in the pathogenesis of lung fibrosis. Therefore, we compared young (3 months) and old mice (21 months) 21 days after intratracheal bleomycin instillation. Analyzing lung transcriptomics (mRNAs and miRNAs) and proteomics, we found most pathways to be similarly regulated in young and old mice. However, old mice show imbalanced protein homeostasis as well as an increased inflammatory state in the fibrotic phase compared to young mice. Comparisons with published human transcriptomic data sets (GSE47460, GSE32537, and GSE24206) revealed that the gene signature of old animals correlates significantly better with IPF patients, and it also turned human healthy individuals better into "IPF patients" using an approach based on predictive disease modeling. Both young and old animals show similar molecular hallmarks of IPF in the bleomycin-induced lung fibrosis model, although old mice more closely resemble several features associated with IPF in comparison to young animals.
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Affiliation(s)
- Stephan Klee
- Department Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Sergio Picart-Armada
- Global Computational Biology and Digital Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Kathrin Wenger
- Department Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Gerald Birk
- Department Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Karsten Quast
- Global Computational Biology and Digital Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Daniel Veyel
- Department Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Wolfgang Rist
- Department Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Coralie Violet
- Global Computational Biology and Digital Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Andreas Luippold
- Department Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Christian Haslinger
- Department Drug Discovery Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Matthew Thomas
- Department Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Francesc Fernandez-Albert
- Global Computational Biology and Digital Sciences, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
| | - Marc Kästle
- Department Immunology and Respiratory Disease Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riss, Germany
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48
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Li Z, Wang S, Zhao H, Yan P, Yuan H, Zhao M, Wan R, Yu G, Wang L. Artificial neural network identified the significant genes to distinguish Idiopathic pulmonary fibrosis. Sci Rep 2023; 13:1225. [PMID: 36681777 PMCID: PMC9867697 DOI: 10.1038/s41598-023-28536-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 01/19/2023] [Indexed: 01/22/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive interstitial lung disease that causes irreversible damage to lung tissue characterized by excessive deposition of extracellular matrix (ECM) and remodeling of lung parenchyma. The current diagnosis of IPF is complex and usually completed by a multidisciplinary team including clinicians, radiologists and pathologists they work together and make decision for an effective treatment, it is imperative to introduce novel practical methods for IPF diagnosis. This study provided a new diagnostic model of idiopathic pulmonary fibrosis based on machine learning. Six genes including CDH3, DIO2, ADAMTS14, HS6ST2, IL13RA2, and IGFL2 were identified based on the differentially expressed genes in IPF patients compare to healthy subjects through a random forest classifier with the existing gene expression databases. An artificial neural network model was constructed for IPF diagnosis based these genes, and this model was validated by the distinctive public datasets with a satisfactory diagnostic accuracy. These six genes identified were significant correlated with lung function, and among them, CDH3 and DIO2 were further determined to be significantly associated with the survival. Putting together, artificial neural network model identified the significant genes to distinguish idiopathic pulmonary fibrosis from healthy people and it is potential for molecular diagnosis of IPF.
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Affiliation(s)
- Zhongzheng Li
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Pulmonary Fibrosis, College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Shenghui Wang
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Pulmonary Fibrosis, College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Huabin Zhao
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Pulmonary Fibrosis, College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Peishuo Yan
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Pulmonary Fibrosis, College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Hongmei Yuan
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Pulmonary Fibrosis, College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Mengxia Zhao
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Pulmonary Fibrosis, College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Ruyan Wan
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Pulmonary Fibrosis, College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China
| | - Guoying Yu
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Pulmonary Fibrosis, College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China.
| | - Lan Wang
- State Key Laboratory of Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan Center for Outstanding Overseas Scientists of Pulmonary Fibrosis, College of Life Science, Henan Normal University, 46 Jianshe Road, Xinxiang, 453007, Henan, China.
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49
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Huang JJ, Wang CW, Liu Y, Zhang YY, Yang NB, Yu YC, Jiang Q, Song QF, Qian GQ. Role of the extracellular matrix in COVID-19. World J Clin Cases 2023; 11:73-83. [PMID: 36687194 PMCID: PMC9846981 DOI: 10.12998/wjcc.v11.i1.73] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 12/14/2022] [Accepted: 12/23/2022] [Indexed: 01/04/2023] Open
Abstract
An outbreak of coronavirus disease 2019 (COVID-19) has spread globally, with over 500 million cases and 6 million deaths to date. COVID-19 is associated with a systemic inflammatory response and abnormalities of the extracellular matrix (ECM), which is also involved in inflammatory storms. Upon viral infection, ECM proteins are involved in the recruitment of inflammatory cells and interference with target organ metabolism, including in the lungs. Additionally, serum biomarkers of ECM turnover are associated with the severity of COVID-19 and may serve as potential targets. Consequently, understanding the expression and function of ECM, particularly of the lung, during severe acute respiratory syndrome of the coronavirus 2 infection would provide valuable insights into the mechanisms of COVID-19 progression. In this review, we summarize the current findings on ECM, such as hyaluronic acid, matrix metalloproteinases, and collagen, which are linked to the severity and inflammation of COVID-19. Some drugs targeting the extracellular surface have been effective. In the future, these ECM findings could provide novel perspectives on the pathogenesis and treatment of COVID-19.
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Affiliation(s)
- Jia-Jia Huang
- School of Medicine, Ningbo University, Ningbo 315000, Zhejiang Province, China
| | - Chu-Wen Wang
- School of Medicine, Ningbo University, Ningbo 315000, Zhejiang Province, China
| | - Ying Liu
- School of Medicine, Ningbo University, Ningbo 315000, Zhejiang Province, China
| | - Ying-Ying Zhang
- School of Medicine, Ningbo University, Ningbo 315000, Zhejiang Province, China
| | - Nai-Bin Yang
- Department of Infectious Diseases, Ningbo First Hospital, Ningbo 315000, Zhejiang Province, China
| | - Yu-Chun Yu
- Department of Endocrinology, Ningbo Ninth Hospital, Ningbo 315000, Zhejiang Province, China
| | - Qi Jiang
- Department of Digestive, Ningbo First Hospital, Ningbo 315000, Zhejiang Province, China
| | - Qi-Fa Song
- Medical Data Center, Ningbo First Hospital, Ningbo 315000, Zhejiang Province, China
| | - Guo-Qing Qian
- Department of Infectious Diseases, Ningbo First Hospital, Ningbo 315000, Zhejiang Province, China
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50
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Schuster R, Younesi F, Ezzo M, Hinz B. The Role of Myofibroblasts in Physiological and Pathological Tissue Repair. Cold Spring Harb Perspect Biol 2023; 15:cshperspect.a041231. [PMID: 36123034 PMCID: PMC9808581 DOI: 10.1101/cshperspect.a041231] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Myofibroblasts are the construction workers of wound healing and repair damaged tissues by producing and organizing collagen/extracellular matrix (ECM) into scar tissue. Scar tissue effectively and quickly restores the mechanical integrity of lost tissue architecture but comes at the price of lost tissue functionality. Fibrotic diseases caused by excessive or persistent myofibroblast activity can lead to organ failure. This review defines myofibroblast terminology, phenotypic characteristics, and functions. We will focus on the central role of the cell, ECM, and tissue mechanics in regulating tissue repair by controlling myofibroblast action. Additionally, we will discuss how therapies based on mechanical intervention potentially ameliorate wound healing outcomes. Although myofibroblast physiology and pathology affect all organs, we will emphasize cutaneous wound healing and hypertrophic scarring as paradigms for normal tissue repair versus fibrosis. A central message of this review is that myofibroblasts can be activated from multiple cell sources, varying with local environment and type of injury, to either restore tissue integrity and organ function or create an inappropriate mechanical environment.
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Affiliation(s)
- Ronen Schuster
- Faculty of Dentistry, University of Toronto, Toronto, M5S 3E2 Ontario, Canada
| | - Fereshteh Younesi
- Faculty of Dentistry, University of Toronto, Toronto, M5S 3E2 Ontario, Canada.,Laboratory of Tissue Repair and Regeneration, Keenan Research Centre for Biomedical Science of the St. Michael's Hospital, Toronto, Ontario M5B 1T8, Canada
| | - Maya Ezzo
- Faculty of Dentistry, University of Toronto, Toronto, M5S 3E2 Ontario, Canada.,Laboratory of Tissue Repair and Regeneration, Keenan Research Centre for Biomedical Science of the St. Michael's Hospital, Toronto, Ontario M5B 1T8, Canada
| | - Boris Hinz
- Faculty of Dentistry, University of Toronto, Toronto, M5S 3E2 Ontario, Canada.,Laboratory of Tissue Repair and Regeneration, Keenan Research Centre for Biomedical Science of the St. Michael's Hospital, Toronto, Ontario M5B 1T8, Canada
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