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Mazio C, Scognamiglio LS, Casale C, Panzetta V, Urciuolo F, Galietta LJV, Imparato G, Netti PA. A functional 3D full-thickness model for comprehending the interaction between airway epithelium and connective tissue in cystic fibrosis. Biomaterials 2024; 308:122546. [PMID: 38552367 DOI: 10.1016/j.biomaterials.2024.122546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 02/22/2024] [Accepted: 03/20/2024] [Indexed: 05/03/2024]
Abstract
Patients with cystic fibrosis (CF) experience severe lung disease, including persistent infections, inflammation, and irreversible fibrotic remodeling of the airways. Although therapy with transmembrane conductance regulator (CFTR) protein modulators reached optimal results in terms of CFTR rescue, lung transplant remains the best line of care for patients in an advanced stage of CF. Indeed, chronic inflammation and tissue remodeling still represent stumbling blocks during treatment, and underlying mechanisms are still unclear. Nowadays, animal models are not able to fully replicate clinical features of the human disease and the conventional in vitro models lack a stromal compartment undergoing fibrotic remodeling. To address this gap, we show the development of a 3D full-thickness model of CF with a human bronchial epithelium differentiated on a connective airway tissue. We demonstrated that the epithelial cells not only underwent mucociliary differentiation but also migrated in the connective tissue and formed gland-like structures. The presence of the connective tissue stimulated the pro-inflammatory behaviour of the epithelium, which activated the fibroblasts embedded into their own extracellular matrix (ECM). By varying the composition of the model with CF epithelial cells and a CF or healthy connective tissue, it was possible to replicate different moments of CF disease, as demonstrated by the differences in the transcriptome of the CF epithelium in the different conditions. The possibility to faithfully represent the crosstalk between epithelial and connective in CF through the full thickness model, along with inflammation and stromal activation, makes the model suitable to better understand mechanisms of disease genesis, progression, and response to therapy.
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Affiliation(s)
- Claudia Mazio
- Istituto Italiano di Tecnologia-IIT, Center for Advanced Biomaterials for Healthcare, Largo Barsanti e Matteucci 53, 80125, Napoli, Italy
| | - Laura Sara Scognamiglio
- Istituto Italiano di Tecnologia-IIT, Center for Advanced Biomaterials for Healthcare, Largo Barsanti e Matteucci 53, 80125, Napoli, Italy
| | - Costantino Casale
- Interdisciplinary Research Centre on Biomaterials-CRIB, University of Napoli Federico II, P.le Tecchio 80, 80125, Napoli, Italy
| | - Valeria Panzetta
- Interdisciplinary Research Centre on Biomaterials-CRIB, University of Napoli Federico II, P.le Tecchio 80, 80125, Napoli, Italy; Department of Chemical, Materials and Industrial Production Engineering-DICMAPI, University of Naples Federico II, P.le Tecchio 80, 80125, Naples, Italy
| | - Francesco Urciuolo
- Interdisciplinary Research Centre on Biomaterials-CRIB, University of Napoli Federico II, P.le Tecchio 80, 80125, Napoli, Italy; Department of Chemical, Materials and Industrial Production Engineering-DICMAPI, University of Naples Federico II, P.le Tecchio 80, 80125, Naples, Italy
| | - Luis J V Galietta
- Telethon Institute of Genetics and Medicine-TIGEM, Via Campi Flegrei 34, 80078, Pozzuoli, NA, Italy
| | - Giorgia Imparato
- Istituto Italiano di Tecnologia-IIT, Center for Advanced Biomaterials for Healthcare, Largo Barsanti e Matteucci 53, 80125, Napoli, Italy.
| | - Paolo A Netti
- Istituto Italiano di Tecnologia-IIT, Center for Advanced Biomaterials for Healthcare, Largo Barsanti e Matteucci 53, 80125, Napoli, Italy; Interdisciplinary Research Centre on Biomaterials-CRIB, University of Napoli Federico II, P.le Tecchio 80, 80125, Napoli, Italy; Department of Chemical, Materials and Industrial Production Engineering-DICMAPI, University of Naples Federico II, P.le Tecchio 80, 80125, Naples, Italy
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Vang S, Helton ES, Guo Y, Burpee B, Rose E, Easter M, Bollenbecker S, Hirsch MJ, Matthews EL, Jones LI, Howze PH, Rajasekaran V, Denson R, Cochran P, Attah IK, Olson H, Clair G, Melkani G, Krick S, Barnes JW. O-GlcNAc transferase regulates collagen deposition and fibrosis resolution in idiopathic pulmonary fibrosis. Front Immunol 2024; 15:1387197. [PMID: 38665916 PMCID: PMC11043510 DOI: 10.3389/fimmu.2024.1387197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 03/25/2024] [Indexed: 04/28/2024] Open
Abstract
Background Idiopathic pulmonary fibrosis (IPF) is a chronic pulmonary disease that is characterized by an excessive accumulation of extracellular matrix (ECM) proteins (e.g. collagens) in the parenchyma, which ultimately leads to respiratory failure and death. While current therapies exist to slow the progression, no therapies are available to resolve fibrosis. Methods We characterized the O-linked N-Acetylglucosamine (O-GlcNAc) transferase (OGT)/O-GlcNAc axis in IPF using single-cell RNA-sequencing (scRNA-seq) data and human lung sections and isolated fibroblasts from IPF and non-IPF donors. The underlying mechanism(s) of IPF were further investigated using multiple experimental models to modulate collagen expression and accumulation by genetically and pharmacologically targeting OGT. Furthermore, we hone in on the transforming growth factor-beta (TGF-β) effector molecule, Smad3, by co-expressing it with OGT to determine if it is modified and its subsequent effect on Smad3 activation. Results We found that OGT and O-GlcNAc levels are upregulated in patients with IPF compared to non-IPF. We report that the OGT regulates collagen deposition and fibrosis resolution, which is an evolutionarily conserved process demonstrated across multiple species. Co-expression of OGT and Smad3 showed that Smad3 is O-GlcNAc modified. Blocking OGT activity resulted in decreased phosphorylation at Ser-423/425 of Smad3 attenuating the effects of TGF-β1 induced collagen expression/deposition. Conclusion OGT inhibition or knockdown successfully blocked and reversed collagen expression and accumulation, respectively. Smad3 is discovered to be a substrate of OGT and its O-GlcNAc modification(s) directly affects its phosphorylation state. These data identify OGT as a potential target in pulmonary fibrosis resolution, as well as other diseases that might have aberrant ECM/collagen accumulation.
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Affiliation(s)
- Shia Vang
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Eric Scott Helton
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Yiming Guo
- Department of Pathology, Division of Molecular and Cellular Pathology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Bailey Burpee
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Elex Rose
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Molly Easter
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Seth Bollenbecker
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Meghan June Hirsch
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Emma Lea Matthews
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Luke Isaac Jones
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Patrick Henry Howze
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Vasanthi Rajasekaran
- Department of Pathology, Division of Molecular and Cellular Pathology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Rebecca Denson
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Phillip Cochran
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Isaac Kwame Attah
- Biological Science Division, Pacific Northwest National Laboratory, Richland, WA, United States
| | - Heather Olson
- Biological Science Division, Pacific Northwest National Laboratory, Richland, WA, United States
| | - Geremy Clair
- Biological Science Division, Pacific Northwest National Laboratory, Richland, WA, United States
| | - Girish Melkani
- Department of Pathology, Division of Molecular and Cellular Pathology, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Stefanie Krick
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Jarrod Wesley Barnes
- Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
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Vo Q, Benam KH. Advancements in preclinical human-relevant modeling of pulmonary vasculature on-chip. Eur J Pharm Sci 2024; 195:106709. [PMID: 38246431 PMCID: PMC10939731 DOI: 10.1016/j.ejps.2024.106709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 01/05/2024] [Accepted: 01/18/2024] [Indexed: 01/23/2024]
Abstract
Preclinical human-relevant modeling of organ-specific vasculature offers a unique opportunity to recreate pathophysiological intercellular, tissue-tissue, and cell-matrix interactions for a broad range of applications. Lung vasculature is particularly important due to its involvement in genesis and progression of rare, debilitating disorders as well as common chronic pathologies. Here, we provide an overview of the latest advances in the development of pulmonary vascular (PV) models using emerging microfluidic tissue engineering technology Organs-on-Chips (so-called PV-Chips). We first review the currently reported PV-Chip systems and their key features, and then critically discuss their major limitations in reproducing in vivo-seen and disease-relevant cellularity, localization, and microstructure. We conclude by presenting latest efforts to overcome such technical and biological limitations and future directions.
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Affiliation(s)
- Quoc Vo
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Kambez H Benam
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA; Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA 15219, USA; Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA 15213, USA.
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4
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Huang CW, Lee SY, Du CX, Wu ST, Kuo YH, Ku HC. Caffeic acid ethanolamide induces antifibrosis, anti-inflammatory, and antioxidant effects protects against bleomycin-induced pulmonary fibrosis. Biomed Pharmacother 2024; 173:116298. [PMID: 38394850 DOI: 10.1016/j.biopha.2024.116298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 02/04/2024] [Accepted: 02/17/2024] [Indexed: 02/25/2024] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic and progressive interstitial lung disease; its cause is unknown, and it leads to notable health problems. Currently, only two drugs are recommended for IPF treatment. Although these drugs can mitigate lung function decline, neither can improve nor stabilize IPF or the symptoms perceived by patients. Therefore, the development of novel treatment options for pulmonary fibrosis is required. The present study investigated the effects of a novel compound, caffeic acid ethanolamide (CAEA), on human pulmonary fibroblasts and evaluated its potential to mitigate bleomycin-induced pulmonary fibrosis in mice. CAEA inhibited TGF-β-induced α-SMA and collagen expression in human pulmonary fibroblasts, indicating that CAEA prevents fibroblasts from differentiating into myofibroblasts following TGF-β exposure. In animal studies, CAEA treatment efficiently suppressed immune cell infiltration and the elevation of TNF-α and IL-6 in bronchoalveolar lavage fluid in mice with bleomycin-induced pulmonary fibrosis. Additionally, CAEA exerted antioxidant effects by recovering the enzymatic activities of oxidant scavengers. CAEA directly inhibited activation of TGF-β receptors and protected against bleomycin-induced pulmonary fibrosis through inhibition of the TGF-β/SMAD/CTGF signaling pathway. The protective effect of CAEA was comparable to that of pirfenidone, a clinically available drug. Our findings support the potential of CAEA as a viable method for preventing the progression of pulmonary fibrosis.
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Affiliation(s)
- Cheng-Wei Huang
- Department of Life Science, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Shih-Yi Lee
- Division of Pulmonary and Critical Care Medicine, MacKay Memorial Hospital, Taipei, Taiwan; MacKay Junior College of Medicine, Nursing and Management, Taipei, Taiwan
| | - Chen-Xuan Du
- Department of Life Science, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Shao-Tung Wu
- Department of Life Science, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Yueh-Hsiung Kuo
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung, Taiwan; Department of Biotechnology, Asia University, Taichung, Taiwan
| | - Hui-Chun Ku
- Department of Life Science, Fu Jen Catholic University, New Taipei City, Taiwan.
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Jain N, Shashi Bhushan BL, Natarajan M, Mehta R, Saini DK, Chatterjee K. Advanced 3D In Vitro Lung Fibrosis Models: Contemporary Status, Clinical Uptake, and Prospective Outlooks. ACS Biomater Sci Eng 2024; 10:1235-1261. [PMID: 38335198 DOI: 10.1021/acsbiomaterials.3c01499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
Fibrosis has been characterized as a global health problem and ranks as one of the primary causes of organ dysfunction. Currently, there is no cure for pulmonary fibrosis, and limited therapeutic options are available due to an inadequate understanding of the disease pathogenesis. The absence of advanced in vitro models replicating dynamic temporal changes observed in the tissue with the progression of the disease is a significant impediment in the development of novel antifibrotic treatments, which has motivated research on tissue-mimetic three-dimensional (3D) models. In this review, we summarize emerging trends in preparing advanced lung models to recapitulate biochemical and biomechanical processes associated with lung fibrogenesis. We begin by describing the importance of in vivo studies and highlighting the often poor correlation between preclinical research and clinical outcomes and the limitations of conventional cell culture in accurately simulating the 3D tissue microenvironment. Rapid advancement in biomaterials, biofabrication, biomicrofluidics, and related bioengineering techniques are enabling the preparation of in vitro models to reproduce the epithelium structure and operate as reliable drug screening strategies for precise prediction. Improving and understanding these model systems is necessary to find the cross-talks between growing cells and the stage at which myofibroblasts differentiate. These advanced models allow us to utilize the knowledge and identify, characterize, and hand pick medicines beneficial to the human community. The challenges of the current approaches, along with the opportunities for further research with potential for translation in this field, are presented toward developing novel treatments for pulmonary fibrosis.
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Affiliation(s)
- Nipun Jain
- Department of Materials Engineering, Indian Institute of Science, C.V Raman Avenue, Bangalore 560012 India
| | - B L Shashi Bhushan
- Department of Pulmonary Medicine, Victoria Hospital, Bangalore Medical College and Research Institute, Bangalore 560002 India
| | - M Natarajan
- Department of Pathology, Victoria Hospital, Bangalore Medical College and Research Institute, Bangalore 560002 India
| | - Ravi Mehta
- Department of Pulmonology and Critical Care, Apollo Hospitals, Jayanagar, Bangalore 560011 India
| | - Deepak Kumar Saini
- Department of Developmental Biology and Genetics, Indian Institute of Science, C.V Raman Avenue, Bangalore 560012 India
| | - Kaushik Chatterjee
- Department of Materials Engineering, Indian Institute of Science, C.V Raman Avenue, Bangalore 560012 India
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Lee JU, Song KS, Hong J, Shin H, Park E, Baek J, Park S, Baek AR, Lee J, Jang AS, Kim DJ, Chin SS, Kim UJ, Jeong SH, Park SW. Role of lung ornithine aminotransferase in idiopathic pulmonary fibrosis: regulation of mitochondrial ROS generation and TGF-β1 activity. Exp Mol Med 2024; 56:478-490. [PMID: 38413821 PMCID: PMC10907606 DOI: 10.1038/s12276-024-01170-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/12/2023] [Accepted: 11/23/2023] [Indexed: 02/29/2024] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is characterized by aberrant lung remodeling and the excessive accumulation of extracellular matrix (ECM) proteins. In a previous study, we found that the levels of ornithine aminotransferase (OAT), a principal enzyme in the proline metabolism pathway, were increased in the lungs of patients with IPF. However, the precise role played by OAT in the pathogenesis of IPF is not yet clear. The mechanism by which OAT affects fibrogenesis was assessed in vitro using OAT-overexpressing and OAT-knockdown lung fibroblasts. The therapeutic effects of OAT inhibition were assessed in the lungs of bleomycin-treated mice. OAT expression was increased in fibrotic areas, principally in interstitial fibroblasts, of lungs affected by IPF. OAT levels in the bronchoalveolar lavage fluid of IPF patients were inversely correlated with lung function. The survival rate was significantly lower in the group with an OAT level >75.659 ng/mL than in the group with an OAT level ≤75.659 ng/mL (HR, 29.53; p = 0.0008). OAT overexpression and knockdown increased and decreased ECM component production by lung fibroblasts, respectively. OAT knockdown also inhibited transforming growth factor-β1 (TGF)-β1 activity and TGF-β1 pathway signaling. OAT overexpression increased the generation of mitochondrial reactive oxygen species (ROS) by activating proline dehydrogenase. The OAT inhibitor L-canaline significantly attenuated bleomycin-induced lung injury and fibrosis. In conclusion, increased OAT levels in lungs affected by IPF contribute to the progression of fibrosis by promoting excessive mitochondrial ROS production, which in turn activates TGF-β1 signaling. OAT may be a useful target for treating patients with fibrotic lung diseases, including IPF.
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Affiliation(s)
- Jong-Uk Lee
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Gyeonggi-Do, South Korea
| | - Ki Sung Song
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Gyeonggi-Do, South Korea
| | - Jisu Hong
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Gyeonggi-Do, South Korea
| | - Hyesun Shin
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Gyeonggi-Do, South Korea
| | - Eunji Park
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Gyeonggi-Do, South Korea
| | - Junyeong Baek
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Gyeonggi-Do, South Korea
| | - Shinhee Park
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Gyeonggi-Do, South Korea
| | - Ae-Rin Baek
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Gyeonggi-Do, South Korea
| | - Junehyuk Lee
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Gyeonggi-Do, South Korea
| | - An Soo Jang
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Gyeonggi-Do, South Korea
| | - Do Jin Kim
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Gyeonggi-Do, South Korea
| | - Su Sie Chin
- Department of Pathology, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Gyeonggi-Do, South Korea
| | - U-Jin Kim
- Department of Internal Medicine, Environmental Health Center Kangwon National University, Gangwondaehakgil, Chuncheon-si, Gangwon-do, South Korea
| | - Sung Hwan Jeong
- Department of Allergy, Pulmonary and Critical Care Medicine, Gachon University, Gil Medical Center, Incheon, South Korea
| | - Sung-Woo Park
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Soonchunhyang University Bucheon Hospital, Bucheon, 14584, Gyeonggi-Do, South Korea.
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Banzato R, Pinheiro-Menegasso NM, Novelli FPRS, Olivo CR, Taguchi L, de Oliveira Santos S, Fukuzaki S, Teodoro WPR, Lopes FDTQS, Tibério IFLC, de Toledo-Arruda AC, Prado MAM, Prado VF, Prado CM. Alpha-7 Nicotinic Receptor Agonist Protects Mice Against Pulmonary Emphysema Induced by Elastase. Inflammation 2024:10.1007/s10753-023-01953-9. [PMID: 38227123 DOI: 10.1007/s10753-023-01953-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/14/2023] [Accepted: 12/15/2023] [Indexed: 01/17/2024]
Abstract
Pulmonary emphysema is a primary component of chronic obstructive pulmonary disease (COPD), a life-threatening disorder characterized by lung inflammation and restricted airflow, primarily resulting from the destruction of small airways and alveolar walls. Cumulative evidence suggests that nicotinic receptors, especially the α7 subtype (α7nAChR), is required for anti-inflammatory cholinergic responses. We postulated that the stimulation of α7nAChR could offer therapeutic benefits in the context of pulmonary emphysema. To investigate this, we assessed the potential protective effects of PNU-282987, a selective α7nAChR agonist, using an experimental emphysema model. Male mice (C57BL/6) were submitted to a nasal instillation of porcine pancreatic elastase (PPE) (50 µl, 0.667 IU) to induce emphysema. Treatment with PNU-282987 (2.0 mg/kg, ip) was performed pre and post-emphysema induction by measuring anti-inflammatory effects (inflammatory cells, cytokines) as well as anti-remodeling and anti-oxidant effects. Elastase-induced emphysema led to an increase in the number of α7nAChR-positive cells in the lungs. Notably, both groups treated with PNU-282987 (prior to and following emphysema induction) exhibited a significant decrease in the number of α7nAChR-positive cells. Furthermore, both groups treated with PNU-282987 demonstrated decreased levels of macrophages, IL-6, IL-1β, collagen, and elastic fiber deposition. Additionally, both groups exhibited reduced STAT3 phosphorylation and lower levels of SOCS3. Of particular note, in the post-treated group, PNU-282987 successfully attenuated alveolar enlargement, decreased IL-17 and TNF-α levels, and reduced the recruitment of polymorphonuclear cells to the lung parenchyma. Significantly, it is worth noting that MLA, an antagonist of α7nAChR, counteracted the protective effects of PNU-282987 in relation to certain crucial inflammatory parameters. In summary, these findings unequivocally demonstrate the protective abilities of α7nAChR against elastase-induced emphysema, strongly supporting α7nAChR as a pivotal therapeutic target for ameliorating pulmonary emphysema.
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Affiliation(s)
- Rosana Banzato
- Department of Internal Medicine, School of Medicine, Universidade de São Paulo, São Paulo, Brazil
| | - Nathalia M Pinheiro-Menegasso
- Department of Biosciences, Instituto de Saúde e Sociedade, Universidade Federal de São Paulo, Rua Silva Jardim 136 sala 312, Santos, SP, 11015-020, Brazil
| | | | - Clarice R Olivo
- Department of Internal Medicine, School of Medicine, Universidade de São Paulo, São Paulo, Brazil
| | - Laura Taguchi
- Department of Biosciences, Instituto de Saúde e Sociedade, Universidade Federal de São Paulo, Rua Silva Jardim 136 sala 312, Santos, SP, 11015-020, Brazil
| | - Stheffany de Oliveira Santos
- Department of Biosciences, Instituto de Saúde e Sociedade, Universidade Federal de São Paulo, Rua Silva Jardim 136 sala 312, Santos, SP, 11015-020, Brazil
| | - Silvia Fukuzaki
- Department of Internal Medicine, School of Medicine, Universidade de São Paulo, São Paulo, Brazil
| | - Walcy Paganelli Rosolia Teodoro
- Rheumatology Division of the Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, FMUSP, São Paulo, Brazil
| | - Fernanda D T Q S Lopes
- Department of Internal Medicine, School of Medicine, Universidade de São Paulo, São Paulo, Brazil
| | - Iolanda F L C Tibério
- Department of Internal Medicine, School of Medicine, Universidade de São Paulo, São Paulo, Brazil
| | | | - Marco Antônio M Prado
- Department of Physiology & Pharmacology, University of Western Ontario, London, Canada
- Department of Anatomy & Cell Biology, University of Western Ontario, London, Canada
| | - Vânia F Prado
- Department of Physiology & Pharmacology, University of Western Ontario, London, Canada
- Department of Anatomy & Cell Biology, University of Western Ontario, London, Canada
| | - Carla M Prado
- Department of Internal Medicine, School of Medicine, Universidade de São Paulo, São Paulo, Brazil.
- Department of Biosciences, Instituto de Saúde e Sociedade, Universidade Federal de São Paulo, Rua Silva Jardim 136 sala 312, Santos, SP, 11015-020, Brazil.
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8
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Yeo HJ, Ha M, Shin DH, Lee HR, Kim YH, Cho WH. Development of a Novel Biomarker for the Progression of Idiopathic Pulmonary Fibrosis. Int J Mol Sci 2024; 25:599. [PMID: 38203769 PMCID: PMC10779374 DOI: 10.3390/ijms25010599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 12/22/2023] [Accepted: 01/01/2024] [Indexed: 01/12/2024] Open
Abstract
The progression of idiopathic pulmonary fibrosis (IPF) is diverse and unpredictable. We identified and validated a new biomarker for IPF progression. To identify a candidate gene to predict progression, we assessed differentially expressed genes in patients with advanced IPF compared with early IPF and controls in three lung sample cohorts. Candidate gene expression was confirmed using immunohistochemistry and Western blotting of lung tissue samples from an independent IPF clinical cohort. Biomarker potential was assessed using an enzyme-linked immunosorbent assay of serum samples from the retrospective validation cohort. We verified that the final candidate gene reflected the progression of IPF in a prospective validation cohort. In the RNA-seq comparative analysis of lung tissues, CD276, COL7A1, CTSB, GLI2, PIK3R2, PRAF2, IGF2BP3, and NUPR1 were up-regulated, and ADAMTS8 was down-regulated in the samples of advanced IPF. Only CTSB showed significant differences in expression based on Western blotting (n = 12; p < 0.001) and immunohistochemistry between the three groups of the independent IPF cohort. In the retrospective validation cohort (n = 78), serum CTSB levels were higher in the progressive group (n = 25) than in the control (n = 29, mean 7.37 ng/mL vs. 2.70 ng/mL, p < 0.001) and nonprogressive groups (n = 24, mean 7.37 ng/mL vs. 2.56 ng/mL, p < 0.001). In the prospective validation cohort (n = 129), serum CTSB levels were higher in the progressive group than in the nonprogressive group (mean 8.30 ng/mL vs. 3.00 ng/mL, p < 0.001). After adjusting for baseline FVC, we found that CTSB was independently associated with IPF progression (adjusted OR = 2.61, p < 0.001). Serum CTSB levels significantly predicted IPF progression (AUC = 0.944, p < 0.001). Serum CTSB level significantly distinguished the progression of IPF from the non-progression of IPF or healthy control.
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Affiliation(s)
- Hye Ju Yeo
- Department of Internal Medicine, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea;
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (D.H.S.); (H.R.L.)
| | - Mihyang Ha
- Interdisciplinary Program of Genomic Data Science, Pusan National University, Busan 46241, Republic of Korea;
- Department of Nuclear Medicine, Pusan National University Medical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Dong Hoon Shin
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (D.H.S.); (H.R.L.)
- Department of Pathology, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Hye Rin Lee
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (D.H.S.); (H.R.L.)
| | - Yun Hak Kim
- Department of Anatomy, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
- Department of Biomedical Informatics, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea
| | - Woo Hyun Cho
- Department of Internal Medicine, School of Medicine, Pusan National University, Yangsan 50612, Republic of Korea;
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (D.H.S.); (H.R.L.)
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9
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Deng L, Ouyang B, Shi H, Yang F, Li S, Xie C, Du W, Hu L, Wei Y, Dong J. Icariside Ⅱ attenuates bleomycin-induced pulmonary fibrosis by modulating macrophage polarization. J Ethnopharmacol 2023; 317:116810. [PMID: 37331450 DOI: 10.1016/j.jep.2023.116810] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/13/2023] [Accepted: 06/16/2023] [Indexed: 06/20/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Numerous studies have provided evidence supporting the significant roles of icariin, in the prevention of multiple chronic diseases like diabetes, liver fibrosis, cardiac fibrosis, renal fibrosis, and pulmonary fibrosis. In particular, Icariside II (ISE II), a prominent flavonoid glycoside derived from Epimedium brevicornum Maxim, the principal metabolite of icariin, has demonstrated noteworthy anti-inflammatory and anti-oxidant properties, along with its ability to protect against lung remodeling. However, the research exploring ISE Ⅱ's application in treating pulmonary fibrosis remains limited. AIM OF THE STUDY The aim of this study was to assess the therapeutic efficacy of ISE II in models of pulmonary fibrosis, while also investigating its potential mechanisms of action in cell signaling pathways. MATERIALS AND METHODS An in vitro model of pulmonary fibrosis was established by treating NIH-3T3 cells with transforming growth factor-β1 (TGF-β1). Western blot, RT-qPCR, and scratch test were performed to assess the effect of ISE Ⅱ. In addition, a murine model of pulmonary fibrosis was induced by intratracheal instillation of bleomycin, and the therapeutic effect of ISE Ⅱ was tested by orally administering ISE Ⅱ at a dose of 10 mg/kg. Three weeks later, lung function, micro-CT, hydroxyproline content, pathological staining, and cytokines detection of BALF or serum were used to assess the anti-fibrosis effects of ISE Ⅱ. Next, immunofluorescence staining, flow cytometry, and in vivo transcriptomics were used to investigate the underlying mechanisms of action. RESULTS Our data revealed a significant inhibitory effect of ISE Ⅱ on the upregulation of α-smooth muscle actin (α-SMA) and collagen production induced by TGF-β1 in fibroblasts. Meanwhile, ISE Ⅱ exerted a therapeutic effect against bleomycin-induced pulmonary fibrosis in mice by improving lung function, decreasing collagen deposition, and reducing the expression of interleukin (IL)-1β, tumor necrosis factor α (TNF-α), TGF-β1 and platelet-derived growth factor (PDGF) in serum and bronchoalveolar lavage fluid (BALF). Additionally, ISE Ⅱ treatment effectively attenuated the infiltration of M2 macrophages, concurrently downregulating the expression level of M2 marker genes, such as CD206, arginase-1(Arg-1), and Chitinase-Like Protein 3 (YM-1). Importantly, we observed a statistically significant reduction in the M2 phenotype of interstitial macrophages (IMs). However, the impact of ISE Ⅱ on the M2 polarization of alveolar macrophages (AMs) did not reach statistical significance. Lastly, transcriptome sequencing results suggested that the anti-pulmonary fibrosis effects of ISE Ⅱ may be mediated by the suppression of the WNT/β-catenin signaling pathway, which modulated M2 polarization in macrophages and contributed to the amelioration of pulmonary fibrosis. By immunohistochemical analysis, it was verified that ISE Ⅱ treatment dramatically inhibited the activation of β-catenin in fibrosis murine. CONCLUSION Our findings indicated that ISE Ⅱ exerted anti-fibrotic effects by inhibiting pro-fibrotic macrophage polarization. The underlying mechanism of action might be mediated by modulating the WNT/β-catenin signaling pathway to inhibit the M2 program in IMs.
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Affiliation(s)
- Lingling Deng
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China; Institute of Integrative Medicine, Fudan University, Shanghai, China.
| | - Boshu Ouyang
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China; Institute of Integrative Medicine, Fudan University, Shanghai, China.
| | - Hanlin Shi
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China; Institute of Integrative Medicine, Fudan University, Shanghai, China.
| | - Fangyong Yang
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China; Institute of Integrative Medicine, Fudan University, Shanghai, China.
| | - Shihuan Li
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China; Institute of Integrative Medicine, Fudan University, Shanghai, China.
| | - Cong Xie
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China; Institute of Integrative Medicine, Fudan University, Shanghai, China.
| | - Wenjing Du
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China; Institute of Integrative Medicine, Fudan University, Shanghai, China.
| | - Lingli Hu
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China; Institute of Integrative Medicine, Fudan University, Shanghai, China.
| | - Ying Wei
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China; Institute of Integrative Medicine, Fudan University, Shanghai, China.
| | - Jingcheng Dong
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai, China; Institute of Integrative Medicine, Fudan University, Shanghai, China.
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10
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Wan R, Wang L, Duan Y, Zhu M, Li W, Zhao M, Yuan H, Xu K, Li Z, Zhang X, Yu G. ADRB2 inhibition combined with antioxidant treatment alleviates lung fibrosis by attenuating TGFβ/SMAD signaling in lung fibroblasts. Cell Death Discov 2023; 9:407. [PMID: 37923730 PMCID: PMC10624856 DOI: 10.1038/s41420-023-01702-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 10/21/2023] [Accepted: 10/24/2023] [Indexed: 11/06/2023] Open
Abstract
Idiopathic pulmonary fibrosis is a progressive and fatal interstitial lung disease with a poor prognosis and limited therapeutic options, which is characterized by aberrant myofibroblast activation and pathological remodeling of the extracellular matrix, while the mechanism remains elusive. In the present investigation, we observed a reduction in ADRB2 expression within both IPF and bleomycin-induced fibrotic lung samples, as well as in fibroblasts treated with TGF-β1. ADRB2 inhibition blunted bleomycin-induced lung fibrosis. Blockage of the ADRB2 suppressed proliferation, migration, and invasion and attenuated TGF-β1-induced fibroblast activation. Conversely, the enhancement of ADRB2 expression or functionality proved capable of inducing fibroblast-to-myofibroblast differentiation. Subsequent mechanistic investigation revealed that inhibition of ADRB2 suppressed the activation of SMAD2/3 in lung fibroblasts and increased phos-SMAD2/3 proteasome degradation, and vice versa. Finally, ADRB2 inhibition combined with antioxidants showed increased efficacy in the therapy of bleomycin-induced lung fibrosis. In short, these data indicate that ADRB2 is involved in lung fibroblast differentiation, and targeting ADRB2 could emerge as a promising and innovative therapeutic approach for pulmonary fibrosis.
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Grants
- This work was supported by Ministry of Science and Technology, PR China, 2019YFE0119500, State Innovation Base for Pulmonary Fibrosis (111 Project), and Henan Project of Science and Technology, 212102310894, 222102310711, 232102310067, and 232102521025, Xinxiang Major Project 21ZD002.
- This work was supported by Henan Project of Science and Technology, 212102310894, 222102310711, 232102310067, and 232102521025, Xinxiang Major Project 21ZD002.
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Affiliation(s)
- Ruyan Wan
- State Key Laboratory Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan center for outstanding overseas scientists of pulmonary fibrosis, College of Life Science, Institute of Biomedical Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Lan Wang
- State Key Laboratory Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan center for outstanding overseas scientists of pulmonary fibrosis, College of Life Science, Institute of Biomedical Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Yudi Duan
- State Key Laboratory Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan center for outstanding overseas scientists of pulmonary fibrosis, College of Life Science, Institute of Biomedical Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Miaomiao Zhu
- State Key Laboratory Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan center for outstanding overseas scientists of pulmonary fibrosis, College of Life Science, Institute of Biomedical Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Wenwen Li
- State Key Laboratory Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan center for outstanding overseas scientists of pulmonary fibrosis, College of Life Science, Institute of Biomedical Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Mengxia Zhao
- State Key Laboratory Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan center for outstanding overseas scientists of pulmonary fibrosis, College of Life Science, Institute of Biomedical Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Hongmei Yuan
- State Key Laboratory Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan center for outstanding overseas scientists of pulmonary fibrosis, College of Life Science, Institute of Biomedical Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Kai Xu
- State Key Laboratory Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan center for outstanding overseas scientists of pulmonary fibrosis, College of Life Science, Institute of Biomedical Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Zhongzheng Li
- State Key Laboratory Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan center for outstanding overseas scientists of pulmonary fibrosis, College of Life Science, Institute of Biomedical Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Xiao Zhang
- Zhengzhou 101 Middle School, Zhengzhou, Henan, 450000, China
| | - Guoying Yu
- State Key Laboratory Cell Differentiation and Regulation, Henan International Joint Laboratory of Pulmonary Fibrosis, Henan center for outstanding overseas scientists of pulmonary fibrosis, College of Life Science, Institute of Biomedical Science, Henan Normal University, Xinxiang, Henan, 453007, China.
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11
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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12
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Makena P, Kikalova T, Prasad GL, Baxter SA. Oxidative Stress and Lung Fibrosis: Towards an Adverse Outcome Pathway. Int J Mol Sci 2023; 24:12490. [PMID: 37569865 PMCID: PMC10419527 DOI: 10.3390/ijms241512490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/01/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023] Open
Abstract
Lung fibrosis is a progressive fatal disease in which deregulated wound healing of lung epithelial cells drives progressive fibrotic changes. Persistent lung injury due to oxidative stress and chronic inflammation are central features of lung fibrosis. Chronic cigarette smoking causes oxidative stress and is a major risk factor for lung fibrosis. The objective of this manuscript is to develop an adverse outcome pathway (AOP) that serves as a framework for investigation of the mechanisms of lung fibrosis due to lung injury caused by inhaled toxicants, including cigarette smoke. Based on the weight of evidence, oxidative stress is proposed as a molecular initiating event (MIE) which leads to increased secretion of proinflammatory and profibrotic mediators (key event 1 (KE1)). At the cellular level, these proinflammatory signals induce the recruitment of inflammatory cells (KE2), which in turn, increase fibroblast proliferation and myofibroblast differentiation (KE3). At the tissue level, an increase in extracellular matrix deposition (KE4) subsequently culminates in lung fibrosis, the adverse outcome. We have also defined a new KE relationship between the MIE and KE3. This AOP provides a mechanistic platform to understand and evaluate how persistent oxidative stress from lung injury may develop into lung fibrosis.
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Affiliation(s)
- Patrudu Makena
- RAI Services Company, P.O. Box 1487, Winston-Salem, NC 27102, USA;
| | - Tatiana Kikalova
- Clarivate Analytics, 1500 Spring Garden, Philadelphia, PA 19130, USA
| | - Gaddamanugu L. Prasad
- Former Employee of RAI Services Company, Winston-Salem, NC 27101, USA
- Prasad Scientific Consulting LLC, 490 Friendship Place Ct, Lewisville, NC 27023, USA
| | - Sarah A. Baxter
- RAI Services Company, P.O. Box 1487, Winston-Salem, NC 27102, USA;
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13
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Rehan M, Deskin B, Kurundkar AR, Yadav S, Matsunaga Y, Manges J, Smith N, Dsouza KG, Burow ME, Thannickal VJ. Nicotinamide N-methyltransferase mediates lipofibroblast-myofibroblast transition and apoptosis resistance. J Biol Chem 2023; 299:105027. [PMID: 37423298 PMCID: PMC10413354 DOI: 10.1016/j.jbc.2023.105027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 06/01/2023] [Accepted: 06/23/2023] [Indexed: 07/11/2023] Open
Abstract
Metabolism controls cellular phenotype and fate. In this report, we demonstrate that nicotinamide N-methyltransferase (NNMT), a metabolic enzyme that regulates developmental stem cell transitions and tumor progression, is highly expressed in human idiopathic pulmonary fibrosis (IPF) lungs, and is induced by the pro-fibrotic cytokine, transforming growth factor-β1 (TGF-β1) in lung fibroblasts. NNMT silencing reduces the expression of extracellular matrix proteins, both constitutively and in response to TGF-β1. Furthermore, NNMT controls the phenotypic transition from homeostatic, pro-regenerative lipofibroblasts to pro-fibrotic myofibroblasts. This effect of NNMT is mediated, in part, by the downregulation of lipogenic transcription factors, TCF21 and PPARγ, and the induction of a less proliferative but more differentiated myofibroblast phenotype. NNMT confers an apoptosis-resistant phenotype to myofibroblasts that is associated with the downregulation of pro-apoptotic members of the Bcl-2 family, including Bim and PUMA. Together, these studies indicate a critical role for NNMT in the metabolic reprogramming of fibroblasts to a pro-fibrotic and apoptosis-resistant phenotype and support the concept that targeting this enzyme may promote regenerative responses in chronic fibrotic disorders such as IPF.
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Affiliation(s)
- Mohammad Rehan
- John W. Deming Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana, USA.
| | - Brian Deskin
- John W. Deming Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana, USA; Southeast Louisiana Veterans Health Care System, New Orleans, Louisiana, USA
| | - Ashish R Kurundkar
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Santosh Yadav
- John W. Deming Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana, USA; Southeast Louisiana Veterans Health Care System, New Orleans, Louisiana, USA
| | - Yasuka Matsunaga
- John W. Deming Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Justin Manges
- John W. Deming Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana, USA; Southeast Louisiana Veterans Health Care System, New Orleans, Louisiana, USA
| | - Nia Smith
- John W. Deming Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana, USA; Southeast Louisiana Veterans Health Care System, New Orleans, Louisiana, USA
| | - Kevin G Dsouza
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Matthew E Burow
- John W. Deming Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana, USA
| | - Victor J Thannickal
- John W. Deming Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana, USA; Southeast Louisiana Veterans Health Care System, New Orleans, Louisiana, USA.
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14
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Shin S, Gombedza FC, Awuah Boadi E, Yiu AJ, Roy SK, Bandyopadhyay BC. Reduction of TRPC1/TRPC3 mediated Ca 2+-signaling protects oxidative stress-induced COPD. Cell Signal 2023; 107:110681. [PMID: 37062436 PMCID: PMC10542863 DOI: 10.1016/j.cellsig.2023.110681] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 03/14/2023] [Accepted: 04/13/2023] [Indexed: 04/18/2023]
Abstract
Oxidative stress is a predisposing factor in Chronic Obstructive Pulmonary Disease (COPD). Specifically, pulmonary epithelial (PE) cells reduce antioxidant capacity during COPD because of the continuous production of reactive oxygen species (ROS). However, the molecular pathogenesis that governs such ROS activity is unclear. Here we show that the dysregulation of intracellular calcium concentration ([Ca2+]i) in PE cells from COPD patients, compared to the healthy PE cells, is associated with the robust functional expressions of Transient Receptor Potential Canonical (TRPC)1 and TRPC3 channels, and Ca2+ entry (SOCE) components, Stromal Interaction Molecule 1 (STIM1) and ORAI1 channels. Additionally, the elevated expression levels of fibrotic, inflammatory, oxidative, and apoptotic markers in cells from COPD patients suggest detrimental pathway activation, thereby reducing the ability of lung remodeling. To further delineate the mechanism, we used human lung epithelial cell line, A549, since the behavior of SOCE and the expression patterns of TRPC1/C3, STIM1, and ORAI1 were much like PE cells. Notably, the knockdown of TRPC1/C3 in A549 cells substantially reduced the SOCE-induced [Ca2+]i rise, and reversed the ROS-mediated oxidative, fibrotic, inflammatory, and apoptotic responses, thus confirming the role of TRPC1/C3 in SOCE driven COPD-like condition. Higher TRPC1/C3, STIM1, and ORAI1 expressions, along with a greater Ca2+ entry, via SOCE in ROS-induced A549 cells, led to the rise in oxidative, fibrotic, inflammatory, and apoptotic gene expression, specifically through the extracellular signal-regulated kinase (ERK) pathway. Abatement of TRPC1 and/or TRPC3 reduced the mobilization of [Ca2+]i and reversed apoptotic gene expression and ERK activation, signifying the involvement of TRPC1/C3. Together these data suggest that TRPC1/C3 and SOCE facilitate the COPD condition through ROS-mediated cell death, thus implicating their likely roles as potential therapeutic targets for COPD. SUMMARY: Alterations in Ca2+ signaling modalities in normal pulmonary epithelial cells exhibit COPD through oxidative stress and cellular injury, compromising repair, which was alleviated through inhibition of store-operated calcium entry. SUBJECT AREA: Calcium, ROS, Cellular signaling, lung disease.
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Affiliation(s)
- Samuel Shin
- From Calcium Signaling Laboratory, Research Service, Veterans Affairs Medical Center, 50 Irving Street, NW, Washington, DC 20422, United States of America
| | - Farai C Gombedza
- From Calcium Signaling Laboratory, Research Service, Veterans Affairs Medical Center, 50 Irving Street, NW, Washington, DC 20422, United States of America
| | - Eugenia Awuah Boadi
- From Calcium Signaling Laboratory, Research Service, Veterans Affairs Medical Center, 50 Irving Street, NW, Washington, DC 20422, United States of America
| | - Allen J Yiu
- From Calcium Signaling Laboratory, Research Service, Veterans Affairs Medical Center, 50 Irving Street, NW, Washington, DC 20422, United States of America
| | - Sanjit K Roy
- From Calcium Signaling Laboratory, Research Service, Veterans Affairs Medical Center, 50 Irving Street, NW, Washington, DC 20422, United States of America
| | - Bidhan C Bandyopadhyay
- From Calcium Signaling Laboratory, Research Service, Veterans Affairs Medical Center, 50 Irving Street, NW, Washington, DC 20422, United States of America.
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15
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Zhu Q, Barnes CE, Mannes PZ, Latoche JD, Day KE, Nedrow JR, Novelli EM, Anderson CJ, Tavakoli S. Targeted imaging of very late antigen-4 for noninvasive assessment of lung inflammation-fibrosis axis. EJNMMI Res 2023; 13:55. [PMID: 37273103 DOI: 10.1186/s13550-023-01006-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 06/01/2023] [Indexed: 06/06/2023] Open
Abstract
BACKGROUND The lack of noninvasive methods for assessment of dysregulated inflammation as a major driver of fibrosis (i.e., inflammation-fibrosis axis) has been a major challenge to precision management of fibrotic lung diseases. Here, we determined the potential of very late antigen-4 (VLA-4)-targeted positron emission tomography (PET) to detect inflammation in a mouse model of bleomycin-induced fibrotic lung injury. METHOD Single time-point and longitudinal VLA-4-targeted PET was performed using a high-affinity peptidomimetic radiotracer, 64Cu-LLP2A, at weeks 1, 2, and 4 after bleomycin-induced (2.5 units/kg) lung injury in C57BL/6J mice. The severity of fibrosis was determined by measuring the hydroxyproline content of the lungs and expression of markers of extracellular matrix remodeling. Flow cytometry and histology was performed to determine VLA-4 expression across different leukocyte subsets and their spatial distribution. RESULTS Lung uptake of 64Cu-LLP2A was significantly elevated throughout different stages of the progression of bleomycin-induced injury. High lung uptake of 64Cu-LLP2A at week-1 post-bleomycin was a predictor of poor survival over the 4-week follow up, supporting the prognostic potential of 64Cu-LLP2A PET during the early stage of the disease. Additionally, the progressive increase in 64Cu-LLP2A uptake from week-1 to week-4 post-bleomycin correlated with the ultimate extent of lung fibrosis and ECM remodeling. Flow cytometry revealed that LLP2A binding was restricted to leukocytes. A combination of increased expression of VLA-4 by alveolar macrophages and accumulation of VLA-4-expressing interstitial and monocyte-derived macrophages as well as dendritic cells was noted in bleomycin-injured, compared to control, lungs. Histology confirmed the increased expression of VLA-4 in bleomycin-injured lungs, particularly in inflamed and fibrotic regions. CONCLUSIONS VLA-4-targeted PET allows for assessment of the inflammation-fibrosis axis and prediction of disease progression in a murine model. The potential of 64Cu-LLP2A PET for assessment of the inflammation-fibrosis axis in human fibrotic lung diseases needs to be further investigated.
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Affiliation(s)
- Qin Zhu
- Department of Radiology, University of Pittsburgh, UPMC Presbyterian Hospital, 200 Lothrop Street, Suite E200, Pittsburgh, PA, 15213, USA
| | - Clayton E Barnes
- Department of Radiology, University of Pittsburgh, UPMC Presbyterian Hospital, 200 Lothrop Street, Suite E200, Pittsburgh, PA, 15213, USA
| | - Philip Z Mannes
- Department of Radiology, University of Pittsburgh, UPMC Presbyterian Hospital, 200 Lothrop Street, Suite E200, Pittsburgh, PA, 15213, USA
- Medical Scientist Training Program, University of Pittsburgh, Pittsburgh, PA, USA
| | - Joseph D Latoche
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Kathryn E Day
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jessie R Nedrow
- Department of Radiology, University of Pittsburgh, UPMC Presbyterian Hospital, 200 Lothrop Street, Suite E200, Pittsburgh, PA, 15213, USA
| | - Enrico M Novelli
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
- Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Carolyn J Anderson
- Department of Chemistry, University of Missouri, Columbia, MO, USA
- Department of Radiology, University of Missouri, Columbia, MO, USA
| | - Sina Tavakoli
- Department of Radiology, University of Pittsburgh, UPMC Presbyterian Hospital, 200 Lothrop Street, Suite E200, Pittsburgh, PA, 15213, USA.
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
- Heart, Lung, Blood, and Vascular Medicine Institute, University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
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16
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Ligresti G, Raslan AA, Hong J, Caporarello N, Confalonieri M, Huang SK. Mesenchymal cells in the Lung: Evolving concepts and their role in fibrosis. Gene 2023; 859:147142. [PMID: 36603696 PMCID: PMC10068350 DOI: 10.1016/j.gene.2022.147142] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 12/18/2022] [Accepted: 12/21/2022] [Indexed: 01/03/2023]
Abstract
Mesenchymal cells in the lung are crucial during development, but also contribute to the pathogenesis of fibrotic disorders, including idiopathic pulmonary fibrosis (IPF), the most common and deadly form of fibrotic interstitial lung diseases. Originally thought to behave as supporting cells for the lung epithelium and endothelium with a singular function of producing basement membrane, mesenchymal cells encompass a variety of cell types, including resident fibroblasts, lipofibroblasts, myofibroblasts, smooth muscle cells, and pericytes, which all occupy different anatomic locations and exhibit diverse homeostatic functions in the lung. During injury, each of these subtypes demonstrate remarkable plasticity and undergo varying capacity to proliferate and differentiate into activated myofibroblasts. Therefore, these cells secrete high levels of extracellular matrix (ECM) proteins and inflammatory cytokines, which contribute to tissue repair, or in pathologic situations, scarring and fibrosis. Whereas epithelial damage is considered the initial trigger that leads to lung injury, lung mesenchymal cells are recognized as the ultimate effector of fibrosis and attempts to better understand the different functions and actions of each mesenchymal cell subtype will lead to a better understanding of why fibrosis develops and how to better target it for future therapy. This review summarizes current findings related to various lung mesenchymal cells as well as signaling pathways, and their contribution to the pathogenesis of pulmonary fibrosis.
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Affiliation(s)
- Giovanni Ligresti
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston MA, US.
| | - Ahmed A Raslan
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston MA, US
| | - Jeongmin Hong
- Department of Medicine, Boston University Chobanian & Avedisian School of Medicine, Boston MA, US
| | - Nunzia Caporarello
- Department of Physiology & Biomedical Engineering, Mayo Clinic, Rochester, MN, US
| | - Marco Confalonieri
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy
| | - Steven K Huang
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, US
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Sun Y, Jing P, Gan H, Wang X, Zhu X, Fan J, Li H, Zhang Z, Lin JCJ, Gu Z. Evaluation of an ex vivo fibrogenesis model using human lung slices prepared from small tissues. Eur J Med Res 2023; 28:143. [PMID: 36998092 PMCID: PMC10061769 DOI: 10.1186/s40001-023-01104-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 03/20/2023] [Indexed: 04/01/2023] Open
Abstract
BACKGROUND In recent years, there have been breakthroughs in the preclinical research of respiratory diseases, such as organoids and organ tissue chip models, but they still cannot provide insight into human respiratory diseases well. Human lung slices model provides a promising in vitro model for the study of respiratory diseases because of its preservation of lung structure and major cell types. METHODS Human lung slices were manually prepared from small pieces of lung tissues obtained from lung cancer patients subjected to lung surgery. To evaluate the suitability of this model for lung fibrosis research, lung slices were treated with CdCl2 (30 μM), TGF-β1 (1 ng/ml) or CdCl2 plus TGF-β1 for 3 days followed by toxicity assessment, gene expression analysis and histopathological observations. RESULTS CdCl2 treatment resulted in a concentration-dependent toxicity profile evidenced by MTT assay as well as histopathological observations. In comparison with the untreated group, CdCl2 and TGF-β1 significantly induces MMP2 and MMP9 gene expression but not MMP1. Interestingly, CdCl2 plus TGF-β1 significantly induces the expression of MMP1 but not MMP2, MMP7 or MMP9. Microscopic observations reveal the pathogenesis of interstitial lung fibrosis in the lung slices of all groups; however, CdCl2 plus TGF-β1 treatment leads to a greater alveolar septa thickness and the formation of fibroblast foci-like pathological features. The lung slice model is in short of blood supply and the inflammatory/immune-responses are considered minimal. CONCLUSIONS The results are in favor of the hypothesis that idiopathic pulmonary fibrosis (IPF) is mediated by tissue damage and abnormal repair. Induction of MMP1 gene expression and fibroblast foci-like pathogenesis suggest that this model might represent an early stage of IPF.
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Affiliation(s)
- Ying Sun
- Department of Thoracic Surgery, The Second Affiliated Hospital, Air Force Medical University, Xi'an, 710038, China
| | - Pengyu Jing
- Department of Thoracic Surgery, The Second Affiliated Hospital, Air Force Medical University, Xi'an, 710038, China
| | - Helina Gan
- Fibroscience LLC, 8037 Glengarriff Rd., Clemmons, NC, 27012, USA
| | - Xuejiao Wang
- Department of Thoracic Surgery, The Second Affiliated Hospital, Air Force Medical University, Xi'an, 710038, China
| | - Ximing Zhu
- Department of Thoracic Surgery, The Second Affiliated Hospital, Air Force Medical University, Xi'an, 710038, China
| | - Jiangjiang Fan
- Department of Thoracic Surgery, The Second Affiliated Hospital, Air Force Medical University, Xi'an, 710038, China
| | - Haichao Li
- Department of Thoracic Surgery, The Second Affiliated Hospital, Air Force Medical University, Xi'an, 710038, China
| | - Zhipei Zhang
- Department of Thoracic Surgery, The Second Affiliated Hospital, Air Force Medical University, Xi'an, 710038, China
| | | | - Zhongping Gu
- Department of Thoracic Surgery, The Second Affiliated Hospital, Air Force Medical University, Xi'an, 710038, China.
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Janiszewska N, Orzechowska B, Awsiuk K, Rysz J, Tymetska S, Raczkowska J. Cell-Specific Response of NSIP- and IPF-Derived Fibroblasts to the Modification of the Elasticity, Biological Properties, and 3D Architecture of the Substrate. Int J Mol Sci 2022; 23. [PMID: 36499041 DOI: 10.3390/ijms232314714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 11/26/2022] Open
Abstract
The fibrotic fibroblasts derived from idiopathic pulmonary fibrosis (IPF) and nonspecific interstitial pneumonia (NSIP) are surrounded by specific environments, characterized by increased stiffness, aberrant extracellular matrix (ECM) composition, and altered lung architecture. The presented research was aimed at investigating the effect of biological, physical, and topographical modification of the substrate on the properties of IPF- and NSIP-derived fibroblasts, and searching for the parameters enabling their identification. Soft and stiff polydimethylsiloxane (PDMS) was chosen for the basic substrates, the properties of which were subsequently tuned. To obtain the biological modification of the substrates, they were covered with ECM proteins, laminin, fibronectin, and collagen. The substrates that mimicked the 3D structure of the lungs were prepared using two approaches, resulting in porous structures that resemble natural lung architecture and honeycomb patterns, typical of IPF tissue. The growth of cells on soft and stiff PDMS covered with proteins, traced using fluorescence microscopy, confirmed an altered behavior of healthy and IPF- and NSIP-derived fibroblasts in response to the modified substrate properties, enabling their identification. In turn, differences in the mechanical properties of healthy and fibrotic fibroblasts, determined using atomic force microscopy working in force spectroscopy mode, as well as their growth on 3D-patterned substrates were not sufficient to discriminate between cell lines.
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Zhang Z, Wu X, Han G, Shao B, Lin L, Jiang S. Altered M1/M2 polarization of alveolar macrophages is involved in the pathological responses of acute silicosis in rats in vivo. Toxicol Ind Health 2022; 38:810-818. [DOI: 10.1177/07482337221136949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Alveolar macrophages play a vital role in the development of acute silicosis, but the dynamic changes of M1 and/or M2 phenotypes have not been elucidated. In this study, acute silicosis models of rat were established by a one-time dusting method, and the rats were sacrificed after 1, 3, 7, 14, and 28 days. The polarity states of macrophages were assessed by measuring the M1/M2 marker genes of alveolar macrophages and the M1/M2 marker proteins in bronchoalveolar lavage fluid. The pathological changes of lung tissues were examined with hematoxylin and Eosin and Masson’s trichrome staining. Our results showed that in the early stages, alveolar macrophages were mainly polarized into M1; with time, the polarization of M2 gradually became dominant. Microscopic sections showed significant pathological responses of inflammation and fibrosis. This work suggested that the alteration of alveolar macrophage polarization was involved in the lung pathologic responses to acute silicosis.
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Affiliation(s)
- Zhaoqiang Zhang
- Department of Public Health, Jining Medical University, Jining, China
| | - Xiao Wu
- Department of Public Health, Jining Medical University, Jining, China
| | - Guizhi Han
- Department of Public Health, Jining Medical University, Jining, China
| | - Bo Shao
- Department of Public Health, Jining Medical University, Jining, China
| | - Li Lin
- Department of Public Health, Jining Medical University, Jining, China
| | - Shunli Jiang
- Department of Public Health, Jining Medical University, Jining, China
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20
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Miyake K, Ito J, Karasuyama H. Role of Basophils in a Broad Spectrum of Disorders. Front Immunol 2022; 13:902494. [PMID: 35693800 PMCID: PMC9186123 DOI: 10.3389/fimmu.2022.902494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/04/2022] [Indexed: 11/13/2022] Open
Abstract
Basophils are the rarest granulocytes and have long been overlooked in immunological research due to their rarity and similarities with tissue-resident mast cells. In the last two decades, non-redundant functions of basophils have been clarified or implicated in a broad spectrum of immune responses, particularly by virtue of the development of novel analytical tools for basophils. Basophils infiltrate inflamed tissues of patients with various disorders, even though they circulate in the bloodstream under homeostatic conditions. Depletion of basophils results in the amelioration or exaggeration of inflammation, depending on models of disease, indicating basophils can play either beneficial or deleterious roles in a context-dependent manner. In this review, we summarize the recent findings of basophil pathophysiology under various conditions in mice and humans, including allergy, autoimmunity, tumors, tissue repair, fibrosis, and COVID-19. Further mechanistic studies on basophil biology could lead to the identification of novel biomarkers or therapeutic targets in a broad range of diseases.
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21
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Wiley KL, Sutherland BP, Ogunnaike BA, Kloxin AM. Rational Design of Hydrogel Networks with Dynamic Mechanical Properties to Mimic Matrix Remodeling. Adv Healthc Mater 2022; 11:e2101947. [PMID: 34936227 DOI: 10.1002/adhm.202101947] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 12/09/2021] [Indexed: 12/15/2022]
Abstract
Engineered hydrogels are increasingly used as extracellular matrix (ECM) surrogates for probing cell function in response to ECM remodeling events related to injury or disease (e.g., degradation followed by deposition/crosslinking). Inspired by these events, this work establishes an approach for pseudo-reversible mechanical property modulation in synthetic hydrogels by integrating orthogonal, enzymatically triggered crosslink degradation, and light-triggered photopolymerization stiffening. Hydrogels are formed by a photo-initiated thiol-ene reaction between multiarm polyethylene glycol and a dually enzymatically degradable peptide linker, which incorporates a thrombin-degradable sequence for triggered softening and a matrix metalloproteinase (MMP)-degradable sequence for cell-driven remodeling. Hydrogels are stiffened by photopolymerization using a flexible, MMP-degradable polymer-peptide conjugate and multiarm macromers, increasing the synthetic matrix crosslink density while retaining degradability. Integration of these tools enables sequential softening and stiffening inspired by matrix remodeling events within loose connective tissues (Young's modulus (E) ≈5 to 1.5 to 6 kPa with >3x ΔE). The cytocompatibility and utility of this approach is examined with breast cancer cells, where cell proliferation shows a dependence on the timing of triggered softening. This work provides innovative tools for 3D dynamic property modulation that are synthetically accessible and cell compatible.
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Affiliation(s)
- Katherine L. Wiley
- Department of Chemical and Biomolecular Engineering University of Delaware Newark DE 19716 USA
| | - Bryan P. Sutherland
- Department of Chemical and Biomolecular Engineering University of Delaware Newark DE 19716 USA
| | - Babatunde A. Ogunnaike
- Department of Chemical and Biomolecular Engineering University of Delaware Newark DE 19716 USA
| | - April M. Kloxin
- Department of Chemical and Biomolecular Engineering University of Delaware Newark DE 19716 USA
- Department of Materials Science and Engineering University of Delaware Newark DE 19716 USA
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22
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Wójcik-pszczoła K, Chłoń-rzepa G, Jankowska A, Ferreira B, Koczurkiewicz-adamczyk P, Pękala E, Wyska E, Pociecha K, Gosens R. Pan-Phosphodiesterase Inhibitors Attenuate TGF-β-Induced Pro-Fibrotic Phenotype in Alveolar Epithelial Type II Cells by Downregulating Smad-2 Phosphorylation. Pharmaceuticals (Basel) 2022; 15:423. [PMID: 35455420 PMCID: PMC9024446 DOI: 10.3390/ph15040423] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/25/2022] [Accepted: 03/29/2022] [Indexed: 11/17/2022] Open
Abstract
Airway remodeling is a pathological process that accompanies many chronic lung diseases. One of the important players in this process are epithelial cells, which under the influence of pro-inflammatory and pro-fibrotic factors present in the airway niche, actively participate in the remodeling process by increasing extracellular matrix secretion, acquiring migration properties, and overproducing pro-fibrotic transducers. Here, we investigated the effect of three new 8-arylalkylamino- and 8-alkoxy-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl-N-(5-(tert-butyl)-2-hydroxyphenyl)butanamides (1, 2, and 3), representing prominent pan-phosphodiesterase (pan-PDE) inhibitors on transforming growth factor type β (TGF-β)-induced alveolar epithelial type II cells (A549 cell line) of a pro-fibrotic phenotype. Our results demonstrate for the first time the strong activity of pan-PDE inhibitors in the prevention of TGF-β-induced mesenchymal markers’ expression and A549 cells’ migration. We also showed an increased p-CREB and decreased p-Smad-2 phosphorylation in TGF-β-induced A549 cells treated with 1, 2, and 3 derivatives, thereby confirming a pan-PDE inhibitor mesenchymal phenotype reducing effect in alveolar epithelial type II cells via suppression of the canonical Smad signaling pathway. Our observations confirmed that PDE inhibitors, and especially those active against various isoforms involved in the airway remodeling, constitute an interesting group of compounds modulating the pro-fibrotic response of epithelial cells.
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23
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Komatsu S, Fan L, Idell S, Shetty S, Ikebe M. Caveolin-1-Derived Peptide Reduces ER Stress and Enhances Gelatinolytic Activity in IPF Fibroblasts. Int J Mol Sci 2022; 23:ijms23063316. [PMID: 35328736 PMCID: PMC8950460 DOI: 10.3390/ijms23063316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/10/2022] [Accepted: 03/15/2022] [Indexed: 12/04/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a fatal disease characterized by an excess deposition of extracellular matrix in the pulmonary interstitium. Caveolin-1 scaffolding domain peptide (CSP) has been found to mitigate pulmonary fibrosis in several animal models. However, its pathophysiological role in IPF is obscure, and it remains critical to understand the mechanism by which CSP protects against pulmonary fibrosis. We first studied the delivery of CSP into cells and found that it is internalized and accumulated in the Endoplasmic Reticulum (ER). Furthermore, CSP reduced ER stress via suppression of inositol requiring enzyme1α (IRE1α) in transforming growth factor β (TGFβ)-treated human IPF lung fibroblasts (hIPF-Lfs). Moreover, we found that CSP enhanced the gelatinolytic activity of TGFβ-treated hIPF-Lfs. The IRE1α inhibitor; 4µ8C also augmented the gelatinolytic activity of TGFβ-treated hIPF-Lfs, supporting the concept that CSP induced inhibition of the IRE1α pathway. Furthermore, CSP significantly elevated expression of MMPs in TGFβ-treated hIPF-Lfs, but conversely decreased the secretion of collagen 1. Similar results were observed in two preclinical murine models of PF, bleomycin (BLM)- and adenovirus expressing constitutively active TGFβ (Ad-TGFβ)-induced PF. Our findings provide new insights into the mechanism by which lung fibroblasts contribute to CSP dependent protection against lung fibrosis.
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24
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Tong X, Zhang S, Wang D, Zhang L, Huang J, Zhang T, Fan H. Azithromycin Attenuates Bleomycin-Induced Pulmonary Fibrosis Partly by Inhibiting the Expression of LOX and LOXL-2. Front Pharmacol 2021; 12:709819. [PMID: 34803671 PMCID: PMC8602210 DOI: 10.3389/fphar.2021.709819] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 10/19/2021] [Indexed: 02/05/2023] Open
Abstract
Pulmonary fibrosis (PF) is a chronic and progressive process of tissue repair. Azithromycin (AZM) may be beneficial for the treatment of PF because AZM has anti-inflammatory and immune regulatory roles and inhibits remodeling, but the mechanism is not entirely clear. In this study, we established a mouse PF model induced by bleomycin (BLM) and primary mouse lung fibroblasts stimulated by transforming growth factor (TGF)-β1 to explore the possible mechanisms of AZM in PF. Results showed that AZM reduces mortality and lung inflammation and attenuates BLM-induced PF in mice. AZM effectively reduced the expression of α-smooth muscle actin (SMA) and type I collagen. Meanwhile, expression of lysyl oxidase (LOX) and lysyl oxidase-like protein (LOXL)-2 in the lung tissue of mice after AZM treatment was significantly lower than in the BLM group. In addition, this study found that AZM significantly inhibits the TGF-β1/Smad and JNK/c-Jun signaling pathways in vivo, and expression of a-SMA, type I collagen, LOX and LOXL-2 in the lung tissue of mice treated with AZM was significantly lower than that in the BLM group. In vitro, AZM also effectively inhibited type I collagen, LOX, LOXL-2 and JNK-c-Jun signaling pathways in TGF-β1-stimulated primary mouse fibroblasts, and this effect was similar to that of a JNK-specific inhibitor (SP600125). In conclusion, AZM effectively attenuated BLM-induced PF in mice, which may play a role by partially inhibiting the JNK/c-Jun and TGF-β1/Smad signaling pathways and reducing production of LOX and LOXL2.
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Affiliation(s)
- Xiang Tong
- Department of Respiratory Medicine and Critical Care Medicine, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - Shijie Zhang
- Department of Respiratory Medicine and Critical Care Medicine, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - Dongguang Wang
- Department of Respiratory Medicine and Critical Care Medicine, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - Li Zhang
- Department of Respiratory Medicine and Critical Care Medicine, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - Jizheng Huang
- Department of Respiratory Medicine and Critical Care Medicine, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - Tianli Zhang
- Department of Respiratory Medicine and Critical Care Medicine, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
| | - Hong Fan
- Department of Respiratory Medicine and Critical Care Medicine, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, China
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25
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Guo P, Li B, Liu MM, Li YX, Weng GY, Gao Y. Protective effects of lotus plumule ethanol extracts on bleomycin-induced pulmonary fibrosis in mice. Drug Chem Toxicol 2021; 45:1432-1441. [PMID: 34724865 DOI: 10.1080/01480545.2021.1993670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Pulmonary fibrosis (PF) is a progressive fibrosing disease, characterized by excessive accumulation of extracellular matrix (ECM) and remodeling of the lung architecture, which finally result in respiratory failure. Currently, there is no satisfactory treatment for PF, therefore, the development of effective agents is urgently needed. Lotus plumule, the green embryo of Nelumbo nucifera Gaertn., a plant of the Nymphaeaceae family, is a traditional Chinese food with exceptional nutritional value and its extracts exert prominent anti-inflammatory and anti-fibrotic effects. The aim of the present study was to investigate the inhibitory effects of lotus plumule extracts (LPEs) on bleomycin (BLM)-induced PF in mice. Therefore, enzyme-linked immunosorbent assay, RT-PCR, and western blot analysis were performed. The histopathological examination demonstrated that LPEs could obviously decrease the degree of alveolitis, deposition of ECM and the production of collagen I (Col-I) in the pulmonary interstitium. In addition, the results showed that LPEs markedly alleviated the expression of interleukin (IL)-6, IL-17, transforming growth factor (TGF)-β, and α-smooth muscle actin (α-SMA). Additionally, the content of Col-I and hydroxyproline (HYP) was also attenuated. In conclusion, LPEs could ameliorate the BLM-induced lung fibrosis, thus suggesting that LPEs could serve as a potential therapeutic approach for PF.
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Affiliation(s)
- Peng Guo
- Department of Health Service, Logistics College of Chinese People's Armed Police Force, Tianjin, China
| | - Bin Li
- Specialized Medical Center of Chinese People's Armed Police Force, Tianjin, China
| | - Meng-Meng Liu
- Department of Health Service, Logistics College of Chinese People's Armed Police Force, Tianjin, China
| | - Yan-Xiao Li
- Department of Health Service, Logistics College of Chinese People's Armed Police Force, Tianjin, China
| | - Gong-Yu Weng
- Department of Health Service, Logistics College of Chinese People's Armed Police Force, Tianjin, China
| | - Ying Gao
- Department of Health Service, Logistics College of Chinese People's Armed Police Force, Tianjin, China
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Fucarino A, Pitruzzella A, Burgio S, Zarcone MC, Modica DM, Cappello F, Bucchieri F. Extracellular Vesicles in Airway Homeostasis and Pathophysiology. Applied Sciences 2021; 11:9933. [DOI: 10.3390/app11219933] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The epithelial–mesenchymal trophic unit (EMTU) is a morphofunctional entity involved in the maintenance of the homeostasis of airways as well as in the pathogenesis of several diseases, including asthma and chronic obstructive pulmonary disease (COPD). The “muco-microbiotic layer” (MML) is the innermost layer of airways made by microbiota elements (bacteria, viruses, archaea and fungi) and the surrounding mucous matrix. The MML homeostasis is also crucial for maintaining the healthy status of organs and its alteration is at the basis of airway disorders. Nanovesicles produced by EMTU and MML elements are probably the most important tool of communication among the different cell types, including inflammatory ones. How nanovesicles produced by EMTU and MML may affect the airway integrity, leading to the onset of asthma and COPD, as well as their putative use in therapy will be discussed here.
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Ramos C, Cañedo-Mondragón R, Becerril C, González-Ávila G, Esquivel AL, Torres-Machorro AL, Montaño M. Short-Term Exposure to Wood Smoke Increases the Expression of Pro-Inflammatory Cytokines, Gelatinases, and TIMPs in Guinea Pigs. Toxics 2021; 9:toxics9090227. [PMID: 34564378 PMCID: PMC8473192 DOI: 10.3390/toxics9090227] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/11/2021] [Accepted: 09/14/2021] [Indexed: 01/01/2023]
Abstract
Exposure to air pollutants in wildfire smoke and indoor pollution causes lung diseases. Short-term exposure to wood smoke (WS) is partially known to alter the expression of human matrix metalloproteinases (MMPs), inflammatory cytokines, and tissue inhibitors of metalloproteinases (TIMPs). Accordingly, we investigated the effect of exposing guinea pigs to WS for two and four three-hour periods on different days. The daily content of particles reported by indoor pollution was produced by 60 g of pinewood. We analyzed the cell profile and collagen content in bronchoalveolar lavages (BAL). The mRNA expression of pro-inflammatory cytokines, MMPs, and TIMPs was studied in lung tissue. Cytokines and gelatinolytic activity were analyzed in BAL and serum. The results showed that total cells, macrophages, neutrophils, and collagen increased in BAL, whereas neutrophils and lymphocytes decreased. TGF-β1, TNF-α, IFN-γ, IL-1β, IL-6, IL-8, MMP-2, MMP-9, TIMP-1, and TIMP-2 were upregulated in lungs, downregulating IL-12. TNF-α, IFN-γ, TGF-β1, IL-1β, IL-6, and IL-8 were increased in BAL and serum, decreasing IL-12. Gelatinase activity was increased in serum. Thus, guinea pigs exposed to short-term domestic doses of WS overexpressed pro-inflammatory cytokines, MMPs, and TIMPs. These results are similar to ECM remodeling and pulmonary and systemic inflammation reported in humans.
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Affiliation(s)
- Carlos Ramos
- Laboratorio de Biología Celular, Departamento de Investigación en Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Calzada de Tlalpan 4502, Colonia Belisario Domínguez Sección XVI, Alcaldía Tlalpan, Mexico City 14080, Mexico; (C.R.); (R.C.-M.); (C.B.); (A.L.T.-M.)
| | - Rebeca Cañedo-Mondragón
- Laboratorio de Biología Celular, Departamento de Investigación en Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Calzada de Tlalpan 4502, Colonia Belisario Domínguez Sección XVI, Alcaldía Tlalpan, Mexico City 14080, Mexico; (C.R.); (R.C.-M.); (C.B.); (A.L.T.-M.)
| | - Carina Becerril
- Laboratorio de Biología Celular, Departamento de Investigación en Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Calzada de Tlalpan 4502, Colonia Belisario Domínguez Sección XVI, Alcaldía Tlalpan, Mexico City 14080, Mexico; (C.R.); (R.C.-M.); (C.B.); (A.L.T.-M.)
| | - Georgina González-Ávila
- Laboratorio de Oncología Biomédica, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Calzada de Tlalpan 4502, Colonia Belisario Domínguez Sección XVI, Alcaldía Tlalpan, Mexico City 14080, Mexico;
| | - Ana Laura Esquivel
- Departmento de Sistemas Biológicos, Universidad Autónoma Metropolitana—Unidad Xochimilco (UAM-X), Mexico City 04960, Mexico;
| | - Ana Lilia Torres-Machorro
- Laboratorio de Biología Celular, Departamento de Investigación en Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Calzada de Tlalpan 4502, Colonia Belisario Domínguez Sección XVI, Alcaldía Tlalpan, Mexico City 14080, Mexico; (C.R.); (R.C.-M.); (C.B.); (A.L.T.-M.)
| | - Martha Montaño
- Laboratorio de Biología Celular, Departamento de Investigación en Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas (INER), Calzada de Tlalpan 4502, Colonia Belisario Domínguez Sección XVI, Alcaldía Tlalpan, Mexico City 14080, Mexico; (C.R.); (R.C.-M.); (C.B.); (A.L.T.-M.)
- Correspondence: ; Tel.: +52-55-5487-1700 (ext. 5257)
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Recillas-Román S, Montaño M, Ruiz V, Pérez-Ramos J, Becerril C, Herrera I, Amador-Muñoz O, Martínez-Domínguez YM, Ramos C. Wood Smoke Extract Promotes Extracellular Matrix Remodeling in Normal Human Lung Fibroblasts. Int J Toxicol 2021; 40:506-516. [PMID: 34530646 DOI: 10.1177/10915818211044809] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Wood smoke (WS) contains many harmful compounds, including polycyclic aromatic hydrocarbons (PAHs). WS induces inflammation in the airways and lungs and can lead to the development of various acute and chronic respiratory diseases. Pulmonary fibroblasts are the main cells involved in the remodeling of the extracellular matrix (ECM) during the WS-induced inflammatory response. Although fibroblasts remain in a low proliferation state under physiological conditions, they actively participate in ECM remodeling during the inflammatory response in pathophysiological states. Consequently, we used normal human lung fibroblasts (NHLFs) to assess the potential effects of the PAHs-containing wood smoke extract (WSE) on the growth rate, total collagen synthesis, and the expression levels of collagen I and III, matrix metalloproteinase (MMP)-1, MMP-2, MMP-9, tissue inhibitor of metalloproteinase (TIMP)-1, TIMP-2, and the transforming growth factor (TGF)-β1. We also assessed MMPs activity. The results showed that WSE induced a trimodal behavior in the growth rate curves in NHLFs; the growth rate increased with 0.5-1 % WSE and decreased with 2.5% WSE, without causing cell damage; 5-20% WSE inhibited the growth and induced cell damage. After 3 hours of exposure, 2.5% WSE induced an increase in total collagen synthesis and upregulation of TGF-β1, collagen I and III, MMP-1, TIMP-1, and TIMP-2 expression. However, MMP-2 expression was downregulated and MMP-9 was not expressed. The gelatinase activity of MMP-2 was also increased. These results suggest that WSE affects the ECM remodeling in NHLFs and indicate the potential involvement of PAHs in this process.
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Affiliation(s)
- Stephanie Recillas-Román
- Doctorate in Biological and Health Sciences, 27789Metropolitan Autonomous University-Xochimilco (UAM-X), Mexico City, Mexico
| | - Martha Montaño
- Cell Biology Laboratory, Department of Research in Pulmonary Fibrosis, 42635National Institute of Respiratory Diseases Ismael Cosío Villegas (INER), Mexico City, Mexico
| | - Víctor Ruiz
- Molecular Biology Laboratory, Department of Research in Pulmonary Fibrosis, National Institute of Respiratory Diseases Ismael Cosío Villegas (INER), Mexico City, Mexico
| | - Julia Pérez-Ramos
- Department of Biological Systems, 27789Metropolitan Autonomous University-Xochimilco (UAM-X), Mexico City, Mexico
| | - Carina Becerril
- Cell Biology Laboratory, Department of Research in Pulmonary Fibrosis, 42635National Institute of Respiratory Diseases Ismael Cosío Villegas (INER), Mexico City, Mexico
| | - Iliana Herrera
- Laboratory of Pulmonary Biopathology INER- Faculty of Sciences, National Autonomous University of Mexico (UNAM), Mexico; Pulmonary Fibrosis Research Department, Ismael Cosío Villegas National Institute of Respiratory Diseases (INER), Mexico City, Mexico
| | - Omar Amador-Muñoz
- Group of Chemical Speciation of Atmospheric Organic Aerosols, Center for Atmospheric Sciences, 7180National Autonomous University of Mexico Mexico
| | - Y Margarita Martínez-Domínguez
- Group of Chemical Speciation of Atmospheric Organic Aerosols, Center for Atmospheric Sciences, 7180National Autonomous University of Mexico Mexico
| | - Carlos Ramos
- Cell Biology Laboratory, Department of Research in Pulmonary Fibrosis, 42635National Institute of Respiratory Diseases Ismael Cosío Villegas (INER), Mexico City, Mexico
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Artzy-Schnirman A, Arber Raviv S, Doppelt Flikshtain O, Shklover J, Korin N, Gross A, Mizrahi B, Schroeder A, Sznitman J. Advanced human-relevant in vitro pulmonary platforms for respiratory therapeutics. Adv Drug Deliv Rev 2021; 176:113901. [PMID: 34331989 PMCID: PMC7611797 DOI: 10.1016/j.addr.2021.113901] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 07/20/2021] [Accepted: 07/24/2021] [Indexed: 02/08/2023]
Abstract
Over the past years, advanced in vitro pulmonary platforms have witnessed exciting developments that are pushing beyond traditional preclinical cell culture methods. Here, we discuss ongoing efforts in bridging the gap between in vivo and in vitro interfaces and identify some of the bioengineering challenges that lie ahead in delivering new generations of human-relevant in vitro pulmonary platforms. Notably, in vitro strategies using foremost lung-on-chips and biocompatible "soft" membranes have focused on platforms that emphasize phenotypical endpoints recapitulating key physiological and cellular functions. We review some of the most recent in vitro studies underlining seminal therapeutic screens and translational applications and open our discussion to promising avenues of pulmonary therapeutic exploration focusing on liposomes. Undeniably, there still remains a recognized trade-off between the physiological and biological complexity of these in vitro lung models and their ability to deliver assays with throughput capabilities. The upcoming years are thus anticipated to see further developments in broadening the applicability of such in vitro systems and accelerating therapeutic exploration for drug discovery and translational medicine in treating respiratory disorders.
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Affiliation(s)
- Arbel Artzy-Schnirman
- Department of Biomedical, Technion - Israel Institute of Technology, 32000 Haifa, Israel
| | - Sivan Arber Raviv
- Department of Chemical, Technion - Israel Institute of Technology, 32000 Haifa, Israel
| | | | - Jeny Shklover
- Department of Chemical, Technion - Israel Institute of Technology, 32000 Haifa, Israel
| | - Netanel Korin
- Department of Biomedical, Technion - Israel Institute of Technology, 32000 Haifa, Israel
| | - Adi Gross
- Department of Biotechnology and Food Engineering, Technion - Israel Institute of Technology, 32000 Haifa, Israel
| | - Boaz Mizrahi
- Department of Biotechnology and Food Engineering, Technion - Israel Institute of Technology, 32000 Haifa, Israel
| | - Avi Schroeder
- Department of Chemical, Technion - Israel Institute of Technology, 32000 Haifa, Israel
| | - Josué Sznitman
- Department of Biomedical, Technion - Israel Institute of Technology, 32000 Haifa, Israel.
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Kaneshita S, Kida T, Yoshioka M, Nishioka K, Raje M, Sakashita A, Hirano A, Sagawa T, Kasahara A, Inoue T, Fujioka K, Nagahara H, Wada M, Kohno M, Strovel JW, Fletcher S, Ashihara E, Kawahito Y. CG223, a novel BET inhibitor, exerts TGF-β1-mediated antifibrotic effects in a murine model of bleomycin-induced pulmonary fibrosis. Pulm Pharmacol Ther 2021; 70:102057. [PMID: 34425215 DOI: 10.1016/j.pupt.2021.102057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 02/26/2021] [Accepted: 07/15/2021] [Indexed: 11/23/2022]
Abstract
Pulmonary fibrosis is a progressive disease with poor prognosis and limited therapeutic options. In this study, we evaluated the potential therapeutic effects of CG223, a novel inhibitor of bromodomain and extra-terminal motif (BET) proteins, on pulmonary fibrosis by focusing on the transforming growth factor-β1 (TGF-β1) pathway. In a murine model of bleomycin-induced pulmonary fibrosis, CG223 attenuated fibrosis while reducing the infiltration of inflammatory cells into the lungs. Fibroblasts expressing BRD4, a member of the BET protein family, were enriched in the tissue regions corresponding to bleomycin-induced fibrotic lesions. Additionally, pulmonary fibroblasts isolated from bleomycin-instilled mice showed a significantly increased association of BRD4 with the promoters of two pro-fibrotic genes linked to the entry into the TGF-β1 autocrine/paracrine loop, thrombospondin 1 (Thbs1) and integrin β3 (Itgb3), as well as with the promoter of a myofibroblast marker gene, actin alpha 2 (Acta2). Subsequent in vitro studies with murine primary lung fibroblasts showed that the mRNA induction of Thbs1, Itgb3, and Acta2 by TGF-β1 can be inhibited by CG223 in a dose-dependent manner. Taken together, CG223-induced BRD4 inhibition suppressed lung fibrogenesis by affecting multiple genes, including those involved in the triggering of the TGF-β1 autocrine/paracrine loop.
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Velázquez-Enríquez JM, Santos-Álvarez JC, Ramírez-Hernández AA, Reyes-Jiménez E, López-Martínez A, Pina-Canseco S, Aguilar-Ruiz SR, Romero-Tlalolini MLÁ, Castro-Sánchez L, Arellanes-Robledo J, Vásquez-Garzón VR, Baltiérrez-Hoyos R. Proteomic Analysis Reveals Key Proteins in Extracellular Vesicles Cargo Associated with Idiopathic Pulmonary Fibrosis In Vitro. Biomedicines 2021; 9:1058. [PMID: 34440261 DOI: 10.3390/biomedicines9081058] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/13/2021] [Accepted: 08/17/2021] [Indexed: 12/29/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic, progressive, irreversible, and highly fatal disease. It is characterized by the increased activation of both fibroblast and myofibroblast that results in excessive extracellular matrix (ECM) deposition. Extracellular vesicles (EVs) have been described as key mediators of intercellular communication in various pathologies. However, the role of EVs in the development of IPF remains poorly understood. This study aimed to characterize the differentially expressed proteins contained within EVs cargo derived from the fibroblast cell lines LL97A (IPF-1) and LL29 (IPF-2) isolated from lungs bearing IPF as compared to those derived from the fibroblast cell lines CCD8Lu (NL-1) and CCD19Lu (NL-2) isolated from healthy donors. Isolated EVs were subjected to label-free quantitative proteomic analysis by LC-MS/MS, and as a result, 331 proteins were identified. Differentially expressed proteins were obtained after the pairwise comparison, including all experimental groups. A total of 86 differentially expressed proteins were identified in either one or more comparison groups. Of note, proteins involved in fibrogenic processes, such as tenascin-c (TNC), insulin-like-growth-factor-binding protein 7 (IGFBP7), fibrillin-1 (FBN1), alpha-2 collagen chain (I) (COL1A2), alpha-1 collagen chain (I) (COL1A1), and lysyl oxidase homolog 1 (LOXL1), were identified in EVs cargo isolated from IPF cell lines. Additionally, KEGG pathway enrichment analysis revealed that differentially expressed proteins participate in focal adhesion, PI3K-Akt, and ECM–receptor interaction signaling pathways. In conclusion, our findings reveal that proteins contained within EVs cargo might play key roles during IPF pathogenesis.
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Leslie MN, Chou J, Young PM, Traini D, Bradbury P, Ong HX. How Do Mechanics Guide Fibroblast Activity? Complex Disruptions during Emphysema Shape Cellular Responses and Limit Research. Bioengineering (Basel) 2021; 8:110. [PMID: 34436113 PMCID: PMC8389228 DOI: 10.3390/bioengineering8080110] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/28/2021] [Accepted: 08/02/2021] [Indexed: 11/28/2022] Open
Abstract
The emphysema death toll has steadily risen over recent decades, causing the disease to become the third most common cause of death worldwide in 2019. Emphysema is currently incurable and could be due to a genetic condition (Alpha-1 antitrypsin deficiency) or exposure to pollutants/irritants, such as cigarette smoke or poorly ventilated cooking fires. Despite the growing burden of emphysema, the mechanisms behind emphysematous pathogenesis and progression are not fully understood by the scientific literature. A key aspect of emphysematous progression is the destruction of the lung parenchyma extracellular matrix (ECM), causing a drastic shift in the mechanical properties of the lung (known as mechanobiology). The mechanical properties of the lung such as the stiffness of the parenchyma (measured as the elastic modulus) and the stretch forces required for inhalation and exhalation are both reduced in emphysema. Fibroblasts function to maintain the structural and mechanical integrity of the lung parenchyma, yet, in the context of emphysema, these fibroblasts appear incapable of repairing the ECM, allowing emphysema to progress. This relationship between the disturbances in the mechanical cues experienced by an emphysematous lung and fibroblast behaviour is constantly overlooked and consequently understudied, thus warranting further research. Interestingly, the failure of current research models to integrate the altered mechanical environment of an emphysematous lung may be limiting our understanding of emphysematous pathogenesis and progression, potentially disrupting the development of novel treatments. This review will focus on the significance of emphysematous lung mechanobiology to fibroblast activity and current research limitations by examining: (1) the impact of mechanical cues on fibroblast activity and the cell cycle, (2) the potential role of mechanical cues in the diminished activity of emphysematous fibroblasts and, finally, (3) the limitations of current emphysematous lung research models and treatments as a result of the overlooked emphysematous mechanical environment.
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Affiliation(s)
- Mathew N. Leslie
- Respiratory Technology, The Woolcock Institute of Medical Research, Glebe, Sydney, NSW 2037, Australia; (M.N.L.); (P.M.Y.); (D.T.)
- Department of Biomedical Sciences, Faculty of Medicine, Healthy and Human Sciences, Macquarie University, Sydney, NSW 2109, Australia
| | - Joshua Chou
- Faculty of Engineering and Information Technology, University of Technology Sydney, Ultimo, Sydney, NSW 2007, Australia;
| | - Paul M. Young
- Respiratory Technology, The Woolcock Institute of Medical Research, Glebe, Sydney, NSW 2037, Australia; (M.N.L.); (P.M.Y.); (D.T.)
- Department of Marketing, Macquarie Business School, Macquarie University, Sydney, NSW 2109, Australia
| | - Daniela Traini
- Respiratory Technology, The Woolcock Institute of Medical Research, Glebe, Sydney, NSW 2037, Australia; (M.N.L.); (P.M.Y.); (D.T.)
- Department of Biomedical Sciences, Faculty of Medicine, Healthy and Human Sciences, Macquarie University, Sydney, NSW 2109, Australia
| | - Peta Bradbury
- Respiratory Technology, The Woolcock Institute of Medical Research, Glebe, Sydney, NSW 2037, Australia; (M.N.L.); (P.M.Y.); (D.T.)
- Faculty of Engineering and Information Technology, University of Technology Sydney, Ultimo, Sydney, NSW 2007, Australia;
- Mechanics and Genetics of Embryonic and Tumoral Development Group, UMR168—Laboratoire Physico-Chimie Curie, Institut Curie, 75248 Paris, France
| | - Hui Xin Ong
- Respiratory Technology, The Woolcock Institute of Medical Research, Glebe, Sydney, NSW 2037, Australia; (M.N.L.); (P.M.Y.); (D.T.)
- Department of Biomedical Sciences, Faculty of Medicine, Healthy and Human Sciences, Macquarie University, Sydney, NSW 2109, Australia
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Suri GS, Kaur G, Jha CK, Tiwari M. Understanding idiopathic pulmonary fibrosis - Clinical features, molecular mechanism and therapies. Exp Gerontol 2021; 153:111473. [PMID: 34274426 DOI: 10.1016/j.exger.2021.111473] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 07/07/2021] [Accepted: 07/08/2021] [Indexed: 10/20/2022]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic lung fibrosing disease with high prevalence that has a prognosis worse than many cancers. There has been a recent influx of new observations aimed at explaining the mechanisms responsible for the initiation and progression of pulmonary fibrosis. However, despite this, the pathogenesis of the disease is largely unclear. Recent progress has been made in the characterization of specific pathologic and clinical features that have enhanced the understanding of pathologically activated molecular pathways during the onset and progression of IPF. This review highlights several of the advances that have been made and focus on the pathobiology of IPF. The work also details the different factors that are responsible for the disposition of the disease - these may be internal factors such as cellular mechanisms and genetic alterations, or they may be external factors from the environment. The changes that primarily occur in epithelial cells and fibroblasts that lead to the activation of profibrotic pathways are discussed in depth. Finally, a complete repertoire of the treatment therapies that have been used in the past as well as future medications and therapies is provided.
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34
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Fujisawa Y, Matsuda K, Uehara T. Osteopontin enhances the migration of lung fibroblasts via upregulation of interleukin-6 through the extracellular signal-regulated kinase (ERK) pathway. Biol Chem 2021; 401:1071-1080. [PMID: 32924371 DOI: 10.1515/hsz-2020-0125] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 04/20/2020] [Indexed: 12/11/2022]
Abstract
Fibrosis is a phenomenon in which parenchyma is replaced with fibrous tissue. Persistent inflammation accompanied by dysregulation of cytokine production and repeated cycles of inflammation-associated tissue-repair induces fibrosis in various organs including the liver, lung, and kidney. In idiopathic pulmonary fibrosis, production of interleukin (IL)-6 and osteopontin (OPN) are dysregulated. Fibrosis leads to qualitative rather than quantitative changes of fibroblasts at the sites of tissue repair, and this leads to enlargement of fibrotic foci. These fibroblasts are immunohistochemically positive for OPN; however, the effect of overexpressed OPN in fibroblasts is not fully understood yet. In this study, we investigated the effect of OPN on IL-6 secretion and on migration and proliferation of fibroblasts. Lung fibroblasts overexpressing exogenous OPN showed that OPN was linked to the enhancement of cell migration through increased IL-6 secretion via the extracellular signal-regulated kinase (ERK) pathway. These results suggest that OPN may exert its pro-fibrotic functions, such as enhancement of fibroblasts migration by cooperating with chemoattractant IL-6, and may be involved in enlargement of fibrotic foci.
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Affiliation(s)
- Yu Fujisawa
- Department of Health and Medical Sciences, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-28621, Nagano, Japan
| | - Kazuyuki Matsuda
- Department of Health and Medical Sciences, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-28621, Nagano, Japan
| | - Takeshi Uehara
- Department of Laboratory Medicine, Shinshu University Hospital, 3-1-1 Asahi, Matsumoto, 390-8621, Nagano, Japan
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Antunes MA, Braga CL, Oliveira TB, Kitoko JZ, Castro LL, Xisto DG, Coelho MS, Rocha N, Silva-Aguiar RP, Caruso-Neves C, Martins EG, Carvalho CF, Galina A, Weiss DJ, Lapa e Silva JR, Lopes-Pacheco M, Cruz FF, Rocco PRM. Mesenchymal Stromal Cells From Emphysematous Donors and Their Extracellular Vesicles Are Unable to Reverse Cardiorespiratory Dysfunction in Experimental Severe Emphysema. Front Cell Dev Biol 2021; 9:661385. [PMID: 34136481 PMCID: PMC8202416 DOI: 10.3389/fcell.2021.661385] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 05/05/2021] [Indexed: 12/02/2022] Open
Abstract
Although bone marrow-derived mesenchymal stromal cells (BM-MSCs) from patients with chronic obstructive pulmonary disease (COPD) appear to be phenotypically and functionally similar to BM-MSCs from healthy sources in vitro, the impact of COPD on MSC metabolism and mitochondrial function has not been evaluated. In this study, we aimed to comparatively characterize MSCs from healthy and emphysematous donors (H-MSCs and E-MSCs) in vitro and to assess the therapeutic potential of these MSCs and their extracellular vesicles (H-EVs and E-EVs) in an in vivo model of severe emphysema. For this purpose, C57BL/6 mice received intratracheal porcine pancreatic elastase once weekly for 4 weeks to induce emphysema; control animals received saline under the same protocol. Twenty-four hours after the last instillation, animals received saline, H-MSCs, E-MSCs, H-EVs, or E-EVs intravenously. In vitro characterization demonstrated that E-MSCs present downregulation of anti-inflammatory (TSG-6, VEGF, TGF-β, and HGF) and anti-oxidant (CAT, SOD, Nrf2, and GSH) genes, and their EVs had larger median diameter and lower average concentration. Compared with H-MSC, E-MSC mitochondria also exhibited a higher respiration rate, were morphologically elongated, expressed less dynamin-related protein-1, and produced more superoxide. When co-cultured with alveolar macrophages, both H-MSCs and E-MSCs induced an increase in iNOS and arginase-1 levels, but only H-MSCs and their EVs were able to enhance IL-10 levels. In vivo, emphysematous mice treated with E-MSCs or E-EVs demonstrated no amelioration in cardiorespiratory dysfunction. On the other hand, H-EVs, but not H-MSCs, were able to reduce the neutrophil count, the mean linear intercept, and IL-1β and TGF-β levels in lung tissue, as well as reduce pulmonary arterial hypertension and increase the right ventricular area in a murine model of elastase-induced severe emphysema. In conclusion, E-MSCs and E-EVs were unable to reverse cardiorespiratory dysfunction, whereas H-EVs administration was associated with a reduction in cardiovascular and respiratory damage in experimental severe emphysema.
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Affiliation(s)
- Mariana A. Antunes
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil
| | - Cassia L. Braga
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Tainá B. Oliveira
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jamil Z. Kitoko
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Laboratory of Inflammation and Immunity, Paulo Goes Institute of Microbiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ligia L. Castro
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil
| | - Debora G. Xisto
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mariana S. Coelho
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Nazareth Rocha
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Department of Physiology and Pharmacology, Fluminense Federal University, Niterói, Brazil
| | - Rodrigo P. Silva-Aguiar
- Laboratory of Biochemistry and Cell Signaling, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Celso Caruso-Neves
- Laboratory of Biochemistry and Cell Signaling, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Eduarda G. Martins
- Leopoldo De Meis Institute of Medical Biochemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Clara Fernandes Carvalho
- Leopoldo De Meis Institute of Medical Biochemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Antônio Galina
- Leopoldo De Meis Institute of Medical Biochemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Daniel J. Weiss
- Department of Medicine, College of Medicine, University of Vermont, Burlington, VT, United States
| | - José R. Lapa e Silva
- Institute of Thoracic Medicine, Clementino Fraga Filho University Hospital, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Miquéias Lopes-Pacheco
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil
| | - Fernanda F. Cruz
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil
| | - Patricia R. M. Rocco
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil
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Koloko Ngassie ML, Brandsma CA, Gosens R, Prakash YS, Burgess JK. The Stress of Lung Aging: Endoplasmic Reticulum and Senescence Tête-à-Tête. Physiology (Bethesda) 2021; 36:150-159. [PMID: 33904785 DOI: 10.1152/physiol.00039.2020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Beyond the structural changes, features including the dysregulation of endoplasmic reticulum (ER) stress response and increased senescence characterize the lung aging. ER stress response and senescence have been reported to be induced by factors like cigarette smoke. Therefore, deciphering the mechanisms underlying ER and senescent pathways interaction has become a challenge. In this review we highlight the known and unknown regarding ER stress response and senescence and their cross talk in aged lung.
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Affiliation(s)
- M L Koloko Ngassie
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, The Netherlands
| | - C A Brandsma
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, The Netherlands
| | - R Gosens
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD; University of Groningen, Department of Molecular Pharmacology, Groningen, The Netherlands
| | - Y S Prakash
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
| | - J K Burgess
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology; University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, The Netherlands
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Hoyer N, Jessen H, Prior TS, Sand JMB, Leeming DJ, Karsdal MA, Åttingsberg EKA, Vangsgaard GKM, Bendstrup E, Shaker SB. High turnover of types III and VI collagen in progressive idiopathic pulmonary fibrosis. Respirology 2021; 26:582-589. [PMID: 33834579 DOI: 10.1111/resp.14056] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 01/13/2021] [Accepted: 03/03/2021] [Indexed: 01/19/2023]
Abstract
BACKGROUND AND OBJECTIVE Prediction of idiopathic pulmonary fibrosis (IPF) progression is vital for the choice and timing of treatment and patient follow-up. This could potentially be achieved by prognostic blood biomarkers of extracellular matrix (ECM) remodelling. METHODS Neoepitope biomarkers of types III and VI collagen turnover (C3M, C6M, PRO-C3 and PRO-C6) were measured in 185 patients with newly diagnosed IPF. Disease severity at baseline and progression over 6 months was assessed by lung function tests and 6-min walk tests. All-cause mortality was assessed over a 3-year follow-up period. RESULTS High baseline levels of C3M, C6M, PRO-C3 and PRO-C6 were associated with more advanced disease at the time of diagnosis. Baseline levels of C6M and PRO-C3 were also associated with mortality over 3 years of follow-up (hazard ratio [HR]: 2.3, 95% CI: 1.3-3.9, p = 0.002 and HR: 1.8, 95% CI: 1.1-3.0, p = 0.03). Patients with several increased biomarkers at baseline, representing a high ECM remodelling phenotype, had more advanced disease at baseline, higher risk of progression or death at 6 months (OR: 1.4, 95% CI: 1.1-1.8, p = 0.002) and higher mortality over 3 years of follow-up (HR: 2.4, 95% CI: 1.3-4.5, p = 0.007). CONCLUSION Blood biomarkers of types III and VI collagen turnover, assessed at the time of diagnosis, are associated with several indices of disease severity, short-term progression and long-term mortality. These biomarkers can help to identify patients with a high ECM remodelling phenotype at high risk of disease progression and death.
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Affiliation(s)
- Nils Hoyer
- Department of Respiratory Medicine, Herlev and Gentofte University Hospital, Copenhagen, Denmark
| | - Henrik Jessen
- Nordic Bioscience, Biomarkers and Research, Herlev, Denmark
| | - Thomas S Prior
- Centre for Rare Lung Diseases, Department of Respiratory Disease and Allergy, Aarhus University Hospital, Aarhus, Denmark
| | | | | | | | - Emilia K A Åttingsberg
- Department of Respiratory Medicine, Herlev and Gentofte University Hospital, Copenhagen, Denmark
| | - Gustav K M Vangsgaard
- Department of Respiratory Medicine, Herlev and Gentofte University Hospital, Copenhagen, Denmark
| | - Elisabeth Bendstrup
- Centre for Rare Lung Diseases, Department of Respiratory Disease and Allergy, Aarhus University Hospital, Aarhus, Denmark
| | - Saher B Shaker
- Department of Respiratory Medicine, Herlev and Gentofte University Hospital, Copenhagen, Denmark
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Liu G, Philp AM, Corte T, Travis MA, Schilter H, Hansbro NG, Burns CJ, Eapen MS, Sohal SS, Burgess JK, Hansbro PM. Therapeutic targets in lung tissue remodelling and fibrosis. Pharmacol Ther 2021; 225:107839. [PMID: 33774068 DOI: 10.1016/j.pharmthera.2021.107839] [Citation(s) in RCA: 90] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Accepted: 03/03/2021] [Indexed: 02/07/2023]
Abstract
Structural changes involving tissue remodelling and fibrosis are major features of many pulmonary diseases, including asthma, chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (IPF). Abnormal deposition of extracellular matrix (ECM) proteins is a key factor in the development of tissue remodelling that results in symptoms and impaired lung function in these diseases. Tissue remodelling in the lungs is complex and differs between compartments. Some pathways are common but tissue remodelling around the airways and in the parenchyma have different morphologies. Hence it is critical to evaluate both common fibrotic pathways and those that are specific to different compartments; thereby expanding the understanding of the pathogenesis of fibrosis and remodelling in the airways and parenchyma in asthma, COPD and IPF with a view to developing therapeutic strategies for each. Here we review the current understanding of remodelling features and underlying mechanisms in these major respiratory diseases. The differences and similarities of remodelling are used to highlight potential common therapeutic targets and strategies. One central pathway in remodelling processes involves transforming growth factor (TGF)-β induced fibroblast activation and myofibroblast differentiation that increases ECM production. The current treatments and clinical trials targeting remodelling are described, as well as potential future directions. These endeavours are indicative of the renewed effort and optimism for drug discovery targeting tissue remodelling and fibrosis.
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Affiliation(s)
- Gang Liu
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Sydney, NSW, Australia
| | - Ashleigh M Philp
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Sydney, NSW, Australia; St Vincent's Medical School, UNSW Medicine, UNSW, Sydney, NSW, Australia
| | - Tamera Corte
- Royal Prince Alfred Hospital, Camperdown, NSW, Australia; Sydney Medical School, University of Sydney, Sydney, NSW, Australia
| | - Mark A Travis
- The Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, Manchester Academic Health Sciences Centre and Wellcome Trust Centre for Cell-Matrix Research, University of Manchester, Manchester, United Kingdom
| | - Heidi Schilter
- Pharmaxis Ltd, 20 Rodborough Road, Frenchs Forest, Sydney, NSW, Australia
| | - Nicole G Hansbro
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Sydney, NSW, Australia
| | - Chris J Burns
- Walter and Eliza Hall Institute of Medical Research, Department of Medical Biology, The University of Melbourne, Melbourne, VIC 3010, Australia
| | - Mathew S Eapen
- Respiratory Translational Research Group, Department of Laboratory Medicine, School of Health Sciences, University of Tasmania, Launceston, TAS, Australia
| | - Sukhwinder S Sohal
- Respiratory Translational Research Group, Department of Laboratory Medicine, School of Health Sciences, University of Tasmania, Launceston, TAS, Australia
| | - Janette K Burgess
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD (GRIAC), Department of Pathology and Medical Biology, Groningen, The Netherlands; Woolcock Institute of Medical Research, Discipline of Pharmacology, The University of Sydney, Sydney, NSW, Australia
| | - Philip M Hansbro
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Sydney, NSW, Australia.
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Kataoka M, Yoshizawa H, Kobayashi K, Sakurai K, Matsuno K, Tamura Y, Morita S, Maeda H, Yoshida KI. Unexpected death of a middle-aged man with severe pectus excavatum in association with pulmonary emboli. Human Pathology: Case Reports 2021. [DOI: 10.1016/j.ehpc.2021.200483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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40
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Abstract
Prevalent coagulopathy and thromboembolism are observed in severe COVID-19 patients with 40% of COVID-19 mortality being associated with cardiovascular complications. Abnormal coagulation parameters are related to poor prognosis in COVID-19 patients. Victims also displayed presence of extensive thrombosis in infected lungs. Vitamin K is well-known to play an essential role in the coagulation system. Latest study revealed an existing correlation between vitamin K deficiency and COVID-19 severity, highlighting a role of vitamin K, probably via coagulation modulation. In agreement, other recent studies also indicated that anti-coagulant treatments can reduce mortality in severe cases. Altogether, potential mechanisms linking COVID-19 with coagulopathy in which vitamin K may exert its modulating role in coagulation related with disease pathogenesis are established. In this review, we discuss the recent evidence supporting COVID-19 as a vascular disease and explore the potential benefits of using vitamin K against COVID-19 to improve disease outcomes.
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41
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Abstract
Silicosis is an occupational fibrotic lung disease caused by inhaling large amounts of crystalline silica dust. Transforming growth factor-β1 (TGF-β1), which is secreted from macrophages, has an important role in the development of this disease. Macrophages can recognize and capture silicon dust, undergo M2 polarization, synthesize TGF-β1 precursors, and secrete them out of the cell where they are activated. Activated TGF-β1 induces cells from different sources, transforming them into myofibroblasts through autocrine and paracrine mechanisms, ultimately causing silicosis. These processes involve complex molecular events, which are not yet fully understood. This systematic summary may further elucidate the location and development of pulmonary fibrosis in the formation of silicosis. In this review, we discussed the proposed cellular and molecular mechanisms of production, secretion, activation of TGF-β1, as well as the mechanisms through which TGF-β1 induces cells from three different sources into myofibroblasts during the pathogenesis of silicosis. This study furthers the medical understanding of the pathogenesis and theoretical basis for diagnosing silicosis, thereby promoting silicosis prevention and treatment.
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Affiliation(s)
- Zhao-Qiang Zhang
- Department of Public Health, 74496Jining Medical University, Jining, China
| | - Hai-Tao Tian
- Department of Public Health, 74496Jining Medical University, Jining, China.,Jining No. 1 People's Hospital, Jining, China
| | - Hu Liu
- Department of Public Health, 74496Jining Medical University, Jining, China
| | - Ruining Xie
- Department of Public Health, 74496Jining Medical University, Jining, China
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42
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Affiliation(s)
- Bakr Jundi
- Department of Medicine, State University of New York Downstate Health Sciences University, Brooklyn, New York
| | - Patrick Geraghty
- Department of Medicine, State University of New York Downstate Health Sciences University, Brooklyn, New York
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43
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Miyashita N, Horie M, Suzuki HI, Saito M, Mikami Y, Okuda K, Boucher RC, Suzukawa M, Hebisawa A, Saito A, Nagase T. FOXL1 Regulates Lung Fibroblast Function via Multiple Mechanisms. Am J Respir Cell Mol Biol 2021; 63:831-842. [PMID: 32946266 DOI: 10.1165/rcmb.2019-0396oc] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Fibroblasts provide a structural framework for multiple organs and are essential for wound repair and fibrotic processes. Here, we demonstrate functional roles of FOXL1 (forkhead box L1), a transcription factor that characterizes the pulmonary origin of lung fibroblasts. We detected high FOXL1 transcripts associated with DNA hypomethylation and super-enhancer formation in lung fibroblasts, which is in contrast with fibroblasts derived from other organs. RNA in situ hybridization and immunohistochemistry in normal lung tissue indicated that FOXL1 mRNA and protein are expressed in submucosal interstitial cells together with airway epithelial cells. Transcriptome analysis revealed that FOXL1 could control a broad array of genes that potentiate fibroblast function, including TAZ (transcriptional coactivator with PDZ-binding motif)/YAP (Yes-associated protein) signature genes and PDGFRα (platelet-derived growth factor receptor-α). FOXL1 silencing in lung fibroblasts attenuated cell growth and collagen gel contraction capacity, underscoring the functional importance of FOXL1 in fibroproliferative reactions. Of clinical importance, increased FOXL1 mRNA expression was found in fibroblasts of idiopathic pulmonary fibrosis lung tissue. Our observations suggest that FOXL1 regulates multiple functional aspects of lung fibroblasts as a key transcription factor and is involved in idiopathic pulmonary fibrosis pathogenesis.
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Affiliation(s)
- Naoya Miyashita
- Department of Respiratory Medicine, Graduate School of Medicine, and
| | - Masafumi Horie
- Department of Cancer Genome Informatics, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Hiroshi I Suzuki
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts.,Division of Molecular Oncology, Center for Neurological Diseases and Cancer, Graduate School of Medicine, Nagoya University, Nagoya, Japan
| | - Minako Saito
- Department of Respiratory Medicine, Graduate School of Medicine, and
| | - Yu Mikami
- Department of Respiratory Medicine, Graduate School of Medicine, and.,Marsico Lung Institute/Cystic Fibrosis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; and
| | - Kenichi Okuda
- Department of Respiratory Medicine, Graduate School of Medicine, and.,Marsico Lung Institute/Cystic Fibrosis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; and
| | - Richard C Boucher
- Marsico Lung Institute/Cystic Fibrosis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; and
| | - Maho Suzukawa
- National Hospital Organization Tokyo National Hospital, Tokyo, Japan
| | - Akira Hebisawa
- National Hospital Organization Tokyo National Hospital, Tokyo, Japan
| | - Akira Saito
- Department of Respiratory Medicine, Graduate School of Medicine, and.,Division for Health Service Promotion, The University of Tokyo, Tokyo, Japan
| | - Takahide Nagase
- Department of Respiratory Medicine, Graduate School of Medicine, and
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44
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Hao Y, Bates S, Mou H, Yun JH, Pham B, Liu J, Qiu W, Guo F, Morrow JD, Hersh CP, Benway CJ, Gong L, Zhang Y, Rosas IO, Cho MH, Park JA, Castaldi PJ, Du F, Zhou X. Genome-Wide Association Study: Functional Variant rs2076295 Regulates Desmoplakin Expression in Airway Epithelial Cells. Am J Respir Crit Care Med 2020; 202:1225-1236. [PMID: 32551799 PMCID: PMC7605184 DOI: 10.1164/rccm.201910-1958oc] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 06/18/2020] [Indexed: 12/15/2022] Open
Abstract
Rationale: Genetic association studies have identified rs2076295 in association with idiopathic pulmonary fibrosis (IPF). We hypothesized that rs2076295 is the functional variant regulating DSP (desmoplakin) expression in human bronchial epithelial cells, and DSP regulates extracellular matrix-related gene expression and cell migration, which is relevant to IPF development.Objectives: To determine whether rs2076295 regulates DSP expression and the function of DSP in airway epithelial cells.Methods: Using CRISPR (clustered regularly interspaced short palindromic repeat)/Cas9 editing (including regional deletion, indel, CRISPR interference, and single-base editing), we modified rs2076295 and measured DSP expression in edited 16HBE14o- and primary airway epithelial cells. Cellular integrity, migration, and genome-wide gene expression changes were examined in 16HBE14o- single colonies with DSP knockout. The expression of DSP and its relevant matrix genes was measured by quantitative PCR and also analyzed in single-cell RNA-sequencing data from control and IPF lungs.Measurements and Main Results:DSP is expressed predominantly in bronchial and alveolar epithelial cells, with reduced expression in alveolar epithelial cells in IPF lungs. The deletion of the DNA region-spanning rs2076295 led to reduced expression of DSP, and the edited rs2076295GG 16HBE14o- line has lower expression of DSP than the rs2076295TT lines. Knockout of DSP in 16HBE14o- cells decreased transepithelial resistance but increased cell migration, with increased expression of extracellular matrix-related genes, including MMP7 and MMP9. Silencing of MMP7 and MMP9 abolished increased migration in DSP-knockout cells.Conclusions: rs2076295 regulates DSP expression in human airway epithelial cells. The loss of DSP enhances extracellular matrix-related gene expression and promotes cell migration, which may contribute to the pathogenesis of IPF.
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Affiliation(s)
- Yuan Hao
- Channing Division of Network Medicine and
| | | | - Hongmei Mou
- Mucosal Immunology and Biology Research Center, Massachusetts General Hospital, Boston, Massachusetts; and
| | | | - Betty Pham
- Channing Division of Network Medicine and
| | | | | | - Feng Guo
- Channing Division of Network Medicine and
| | | | | | | | - Lu Gong
- Channing Division of Network Medicine and
| | - Yihan Zhang
- Mucosal Immunology and Biology Research Center, Massachusetts General Hospital, Boston, Massachusetts; and
| | - Ivan O. Rosas
- Division of Pulmonary and Critical Care Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
| | | | - Jin-Ah Park
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | | | - Fei Du
- Channing Division of Network Medicine and
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45
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Śliwińska-Mossoń M, Wadowska K, Trembecki Ł, Bil-Lula I. Markers Useful in Monitoring Radiation-Induced Lung Injury in Lung Cancer Patients: A Review. J Pers Med 2020; 10:jpm10030072. [PMID: 32722546 PMCID: PMC7565537 DOI: 10.3390/jpm10030072] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 07/06/2020] [Accepted: 07/22/2020] [Indexed: 12/14/2022] Open
Abstract
In 2018, lung cancer was the most common cancer and the most common cause of cancer death, accounting for a 1.76 million deaths. Radiotherapy (RT) is a widely used and effective non-surgical cancer treatment that induces remission in, and even cures, patients with lung cancer. However, RT faces some restrictions linked to the radioresistance and treatment toxicity, manifesting in radiation-induced lung injury (RILI). About 30–40% of lung cancer patients will develop RILI, which next to the local recurrence and distant metastasis is a substantial challenge to the successful management of lung cancer treatment. These data indicate an urgent need of looking for novel, precise biomarkers of individual response and risk of side effects in the course of RT. The aim of this review was to summarize both preclinical and clinical approaches in RILI monitoring that could be brought into clinical practice. Next to transforming growth factor-β1 (TGFβ1) that was reported as one of the most important growth factors expressed in the tissues after ionizing radiation (IR), there is a group of novel, potential biomarkers—microRNAs—that may be used as predictive biomarkers in therapy response and disease prognosis.
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Affiliation(s)
- Mariola Śliwińska-Mossoń
- Department of Medical Laboratory Diagnostics, Division of Clinical Chemistry and Laboratory Haematology, Wroclaw Medical University, ul. Borowska 211A, 50-556 Wroclaw, Poland; (M.Ś.-M.); (I.B.-L.)
| | - Katarzyna Wadowska
- Department of Medical Laboratory Diagnostics, Division of Clinical Chemistry and Laboratory Haematology, Wroclaw Medical University, ul. Borowska 211A, 50-556 Wroclaw, Poland; (M.Ś.-M.); (I.B.-L.)
- Correspondence:
| | - Łukasz Trembecki
- Department of Radiation Oncology, Lower Silesian Oncology Center, pl. Hirszfelda 12, 53-413 Wroclaw, Poland;
- Department of Oncology, Faculty of Medicine, Wroclaw Medical University, pl. Hirszfelda 12, 53-413 Wroclaw, Poland
| | - Iwona Bil-Lula
- Department of Medical Laboratory Diagnostics, Division of Clinical Chemistry and Laboratory Haematology, Wroclaw Medical University, ul. Borowska 211A, 50-556 Wroclaw, Poland; (M.Ś.-M.); (I.B.-L.)
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46
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Deng Z, Fear MW, Suk Choi Y, Wood FM, Allahham A, Mutsaers SE, Prêle CM. The extracellular matrix and mechanotransduction in pulmonary fibrosis. Int J Biochem Cell Biol 2020; 126:105802. [PMID: 32668329 DOI: 10.1016/j.biocel.2020.105802] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 07/06/2020] [Accepted: 07/10/2020] [Indexed: 12/11/2022]
Abstract
Pulmonary fibrosis is characterised by excessive scarring in the lung which leads to compromised lung function, serious breathing problems and in some diseases, death. It includes several lung disorders with idiopathic pulmonary fibrosis (IPF) the most common and most severe. Pulmonary fibrosis is considered to be perpetuated by aberrant wound healing which leads to fibroblast accumulation, differentiation and activation, and deposition of excessive amounts of extracellular matrix (ECM) components, in particular, collagen. Recent studies have identified the importance of changes in the composition and structure of lung ECM during the development of pulmonary fibrosis and the interaction between ECM and lung cells. There is strong evidence that increased matrix stiffness induces changes in cell function including proliferation, migration, differentiation and activation. Understanding how changes in the ECM microenvironment influence cell behaviour during fibrogenesis, and the mechanisms regulating these changes, will provide insight for developing new treatments.
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Affiliation(s)
- Zhenjun Deng
- Burn Injury Research Unit, School of Biomedical Sciences, The University of Western Australia, Nedlands, 6009, WA, Australia
| | - Mark W Fear
- Burn Injury Research Unit, School of Biomedical Sciences, The University of Western Australia, Nedlands, 6009, WA, Australia; Institute for Respiratory Health, Nedlands, WA, Australia
| | - Yu Suk Choi
- School of Human Sciences, The University of Western Australia, Crawley, WA, Australia
| | - Fiona M Wood
- Burn Injury Research Unit, School of Biomedical Sciences, The University of Western Australia, Nedlands, 6009, WA, Australia; Burns Service of Western Australia, Perth Children's Hospital, Nedlands, WA, Australia; Fiona Stanley Hospital, Murdoch, WA, Australia
| | - Amira Allahham
- Burn Injury Research Unit, School of Biomedical Sciences, The University of Western Australia, Nedlands, 6009, WA, Australia
| | - Steven E Mutsaers
- Institute for Respiratory Health, Nedlands, WA, Australia; Centre for Respiratory Health, School of Biomedical Sciences, The University of Western Australia, Nedlands, WA, Australia; Centre for Cell Therapy and Regenerative Medicine, School of Biomedical Sciences, The University of Western Australia, Nedlands, WA, Australia
| | - Cecilia M Prêle
- Institute for Respiratory Health, Nedlands, WA, Australia; Centre for Respiratory Health, School of Biomedical Sciences, The University of Western Australia, Nedlands, WA, Australia; Centre for Cell Therapy and Regenerative Medicine, School of Biomedical Sciences, The University of Western Australia, Nedlands, WA, Australia.
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47
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Dimori M, Heard-Lipsmeyer ME, Byrum SD, Mackintosh SG, Kurten RC, Carroll JL, Morello R. Respiratory defects in the CrtapKO mouse model of osteogenesis imperfecta. Am J Physiol Lung Cell Mol Physiol 2020; 318:L592-L605. [PMID: 32022592 PMCID: PMC7191481 DOI: 10.1152/ajplung.00313.2019] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Respiratory disease is a leading cause of mortality in patients with osteogenesis imperfecta (OI), a connective tissue disease that causes severely reduced bone mass and is most commonly caused by dominant mutations in type I collagen genes. Previous studies proposed that impaired respiratory function in OI patients was secondary to skeletal deformities; however, recent evidence suggests the existence of a primary lung defect. Here, we analyzed the lung phenotype of Crtap knockout (KO) mice, a mouse model of recessive OI. While we confirm changes in the lung parenchyma that are reminiscent of emphysema, we show that CrtapKO lung fibroblasts synthesize type I collagen with altered posttranslation modifications consistent with those observed in bone and skin. Unrestrained whole body plethysmography showed a significant decrease in expiratory time, resulting in an increased ratio of inspiratory time over expiratory time and a concomitant increase of the inspiratory duty cycle in CrtapKO compared with WT mice. Closed-chest measurements using the forced oscillation technique showed increased respiratory system elastance, decreased respiratory system compliance, and increased tissue damping and elasticity in CrtapKO mice compared with WT. Pressure-volume curves showed significant differences in lung volumes and in the shape of the curves between CrtapKO mice and WT mice, with and without adjustment for body weight. This is the first evidence that collagen defects in OI cause primary changes in lung parenchyma and several respiratory parameters and thus negatively impact lung function.
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Affiliation(s)
- Milena Dimori
- Department of Physiology & Biophysics, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Melissa E Heard-Lipsmeyer
- Department of Physiology & Biophysics, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Stephanie D Byrum
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, Arkansas
- Arkansas Children's Research Institute, Little Rock, Arkansas
| | - Samuel G Mackintosh
- Department of Biochemistry and Molecular Biology, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Richard C Kurten
- Department of Physiology & Biophysics, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - John L Carroll
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, Arkansas
| | - Roy Morello
- Department of Physiology & Biophysics, University of Arkansas for Medical Sciences, Little Rock, Arkansas
- Department of Orthopaedic Surgery, University of Arkansas for Medical Sciences, Little Rock, Arkansas
- Division of Genetics, University of Arkansas for Medical Sciences, Little Rock, Arkansas
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48
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Halu A, Liu S, Baek SH, Hobbs BD, Hunninghake GM, Cho MH, Silverman EK, Sharma A. Exploring the cross-phenotype network region of disease modules reveals concordant and discordant pathways between chronic obstructive pulmonary disease and idiopathic pulmonary fibrosis. Hum Mol Genet 2020; 28:2352-2364. [PMID: 30997486 DOI: 10.1093/hmg/ddz069] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 03/12/2019] [Accepted: 03/23/2019] [Indexed: 12/16/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (IPF) are two pathologically distinct chronic lung diseases that are associated with cigarette smoking. Genetic studies have identified shared loci for COPD and IPF, including several loci with opposite directions of effect. The existence of additional shared genetic loci, as well as potential shared pathobiological mechanisms between the two diseases at the molecular level, remains to be explored. Taking a network-based approach, we built disease modules for COPD and IPF using genome-wide association studies-implicated genes. The two disease modules displayed strong disease signals in an independent gene expression data set of COPD and IPF lung tissue and showed statistically significant overlap and network proximity, sharing 19 genes, including ARHGAP12 and BCHE. To uncover pathways at the intersection of COPD and IPF, we developed a metric, NetPathScore, which prioritizes the pathways of a disease by their network overlap with another disease. Applying NetPathScore to the COPD and IPF disease modules enabled the determination of concordant and discordant pathways between these diseases. Concordant pathways between COPD and IPF included extracellular matrix remodeling, Mitogen-activated protein kinase (MAPK) signaling and ALK pathways, whereas discordant pathways included advanced glycosylation end product receptor signaling and telomere maintenance and extension pathways. Overall, our findings reveal shared molecular interaction regions between COPD and IPF and shed light on the congruent and incongruent biological processes lying at the intersection of these two complex diseases.
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Affiliation(s)
- Arda Halu
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.,Center for Interdisciplinary Cardiovascular Sciences, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Shikang Liu
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.,Department of Computer Science and Engineering, University of Notre Dame, Notre Dame, IN, USA
| | - Seung Han Baek
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Brian D Hobbs
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.,Division of Pulmonary and Critical Care, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Gary M Hunninghake
- Division of Pulmonary and Critical Care, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Michael H Cho
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.,Division of Pulmonary and Critical Care, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Edwin K Silverman
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.,Division of Pulmonary and Critical Care, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Amitabh Sharma
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
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49
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Hadjicharalambous MR, Lindsay MA. Idiopathic Pulmonary Fibrosis: Pathogenesis and the Emerging Role of Long Non-Coding RNAs. Int J Mol Sci 2020; 21:E524. [PMID: 31947693 DOI: 10.3390/ijms21020524] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 01/08/2020] [Accepted: 01/13/2020] [Indexed: 12/16/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive chronic disease characterized by excessing scarring of the lungs leading to irreversible decline in lung function. The aetiology and pathogenesis of the disease are still unclear, although lung fibroblast and epithelial cell activation, as well as the secretion of fibrotic and inflammatory mediators, have been strongly associated with the development and progression of IPF. Significantly, long non-coding RNAs (lncRNAs) are emerging as modulators of multiple biological processes, although their function and mechanism of action in IPF is poorly understood. LncRNAs have been shown to be important regulators of several diseases and their aberrant expression has been linked to the pathophysiology of fibrosis including IPF. This review will provide an overview of this emerging role of lncRNAs in the development of IPF.
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Chitty JL, Setargew YF, Cox TR. Targeting the lysyl oxidases in tumour desmoplasia. Biochem Soc Trans 2019; 47:1661-78. [DOI: 10.1042/bst20190098] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 10/30/2019] [Accepted: 10/31/2019] [Indexed: 02/08/2023]
Abstract
The extracellular matrix (ECM) is a fundamental component of tissue microenvironments and its dysregulation has been implicated in a number of diseases, in particular cancer. Tumour desmoplasia (fibrosis) accompanies the progression of many solid cancers, and is also often induced as a result of many frontline chemotherapies. This has recently led to an increased interest in targeting the underlying processes. The major structural components of the ECM contributing to desmoplasia are the fibrillar collagens, whose key assembly mechanism is the enzymatic stabilisation of procollagen monomers by the lysyl oxidases. The lysyl oxidase family of copper-dependent amine oxidase enzymes are required for covalent cross-linking of collagen (as well as elastin) molecules into the mature ECM. This key step in the assembly of collagens is of particular interest in the cancer field since it is essential to the tumour desmoplastic response. LOX family members are dysregulated in many cancers and consequently the development of small molecule inhibitors targeting their enzymatic activity has been initiated by many groups. Development of specific small molecule inhibitors however has been hindered by the lack of crystal structures of the active sites, and therefore alternate indirect approaches to target LOX have also been explored. In this review, we introduce the importance of, and assembly steps of the ECM in the tumour desmoplastic response focussing on the role of the lysyl oxidases. We also discuss recent progress in targeting this family of enzymes as a potential therapeutic approach.
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