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Dhara TK, Khawas S, Sharma N. "Lipid Nanoparticles for Pulmonary Fibrosis: A Comprehensive Review". Pulm Pharmacol Ther 2024; 87:102319. [PMID: 39216596 DOI: 10.1016/j.pupt.2024.102319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 08/07/2024] [Accepted: 08/28/2024] [Indexed: 09/04/2024]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a fatal progressive and irreversible ailment associated with the proliferation of fibroblast and accumulation of extracellular matrix (ECM) with gradual scarring of lung tissue. Despite several research studies, the treatments available are not efficient enough for the reversal of the disease and are constantly in progress. No drugs other than Pirfenidone and Nintedanib have been approved for the treatment of IPF, necessitating the exploration of novel therapeutic strategies. Recently, lipid-based nanoparticles (LNPs) have drawn more attention because of their potential to enhance the solubility of drugs, cross biological barriers of the lungs and specifically target lung fibrotic tissues, overcoming various challenges in treating IPF. LNPs offer a versatile platform to encapsulate a wide range of drugs, both hydrophilic and lipophilic, improving their bioavailability, allowing sustained release and reducing toxicity, which radiates their significant role in addressing the complexities of IPF. This review summarizes the pathogenesis and conventional treatment of idiopathic pulmonary fibrosis, along with their drawbacks. The review focuses on different types of lipid-based nanoparticles that have been tested in the treatment of idiopathic pulmonary fibrosis, including nanoemulsions, liposomes, solid lipid nanoparticles, nanostructured lipid carriers, niosomes and lipid-polymer hybrid nanoparticles. The review also highlights the future prospects that can offer a potential approach for developing novel strategies to treat idiopathic pulmonary fibrosis.
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Affiliation(s)
- Tushar Kanti Dhara
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India
| | - Sayak Khawas
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India
| | - Neelima Sharma
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand, India.
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Peng H, Zhang Y, Min J, Tan Y, Liu S. Loss of ZNF451 mediates fibroblast activation and promotes lung fibrosis. Respir Res 2024; 25:160. [PMID: 38600524 PMCID: PMC11008011 DOI: 10.1186/s12931-024-02781-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 03/19/2024] [Indexed: 04/12/2024] Open
Abstract
BACKGROUND No effective therapies for pulmonary fibrosis (PF) exist because of the unclear molecular pathogenesis and the lack of effective therapeutic targets. Zinc finger protein 451 (ZNF451), a transcriptional regulator, plays crucial roles in the pathogenesis of several diseases. However, its expression pattern and function in PF remain unknown. This study was designed to investigate the role of ZNF451 in the pathogenesis of lung fibrosis. METHODS GEO dataset analysis, RT‒PCR, and immunoblot assays were used to examine the expression of ZNF451 in PF; ZNF451 knockout mice and ZNF451-overexpressing lentivirus were used to determine the importance of ZNF451 in PF progression; and migration assays, immunofluorescence staining, and RNA-seq analysis were used for mechanistic studies. RESULTS ZNF451 is downregulated and negatively associated with disease severity in PF. Compared with wild-type (WT) mice, ZNF451 knockout mice exhibited much more serious PF changes. However, ZNF451 overexpression protects mice from BLM-induced pulmonary fibrosis. Mechanistically, ZNF451 downregulation triggers fibroblast activation by increasing the expression of PDGFB and subsequently activating PI3K/Akt signaling. CONCLUSION These findings uncover a critical role of ZNF451 in PF progression and introduce a novel regulatory mechanism of ZNF451 in fibroblast activation. Our study suggests that ZNF451 serves as a potential therapeutic target for PF and that strategies aimed at increasing ZNF451 expression may be promising therapeutic approaches for PF.
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Affiliation(s)
- Hong Peng
- Department of Pulmonary and Critical Care Medicine, The Second Xiangya Hospital of Central South University, Changsha, Hunan, 410011, China
| | - Yu Zhang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha, Hunan, 410011, China
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, 410011, China
| | - Jiali Min
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha, Hunan, 410011, China
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, 410011, China
| | - Yuexin Tan
- Department of Pulmonary and Critical Care Medicine, The Second Xiangya Hospital of Central South University, Changsha, Hunan, 410011, China
| | - Shanshan Liu
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha, Hunan, 410011, China.
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, 410011, China.
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Ishii D, Kawasaki T, Sato H, Tatsumi K, Imamoto T, Yoshioka K, Abe M, Hasegawa Y, Ohara O, Suzuki T. Effects of Anti-Fibrotic Drugs on Transcriptome of Peripheral Blood Mononuclear Cells in Idiopathic Pulmonary Fibrosis. Int J Mol Sci 2024; 25:3750. [PMID: 38612561 PMCID: PMC11011476 DOI: 10.3390/ijms25073750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
Two anti-fibrotic drugs, pirfenidone (PFD) and nintedanib (NTD), are currently used to treat idiopathic pulmonary fibrosis (IPF). Peripheral blood mononuclear cells (PBMCs) are immunocompetent cells that could orchestrate cell-cell interactions associated with IPF pathogenesis. We employed RNA sequencing to examine the transcriptome signature in the bulk PBMCs of patients with IPF and the effects of anti-fibrotic drugs on these signatures. Differentially expressed genes (DEGs) between "patients with IPF and healthy controls" and "before and after anti-fibrotic treatment" were analyzed. Enrichment analysis suggested that fatty acid elongation interferes with TGF-β/Smad signaling and the production of oxidative stress since treatment with NTD upregulates the fatty acid elongation enzymes ELOVL6. Treatment with PFD downregulates COL1A1, which produces wound-healing collagens because activated monocyte-derived macrophages participate in the production of collagen, type I, and alpha 1 during tissue damage. Plasminogen activator inhibitor-1 (PAI-1) regulates wound healing by inhibiting plasmin-mediated matrix metalloproteinase activation, and the inhibition of PAI-1 activity attenuates lung fibrosis. DEG analysis suggested that both the PFD and NTD upregulate SERPINE1, which regulates PAI-1 activity. This study embraces a novel approach by using RNA sequencing to examine PBMCs in IPF, potentially revealing systemic biomarkers or pathways that could be targeted for therapy.
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Affiliation(s)
- Daisuke Ishii
- Department of Respirology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Takeshi Kawasaki
- Department of Respirology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Hironori Sato
- Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Koichiro Tatsumi
- Department of Respirology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Takuro Imamoto
- Department of Respirology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Keiichiro Yoshioka
- Department of Respirology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Mitsuhiro Abe
- Department of Respirology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
| | - Yoshinori Hasegawa
- Department of Applied Genomics, Kazusa DNA Research Institute, Chiba 292-0818, Japan
| | - Osamu Ohara
- Department of Applied Genomics, Kazusa DNA Research Institute, Chiba 292-0818, Japan
| | - Takuji Suzuki
- Department of Respirology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
- Synergy Institute for Futuristic Mucosal Vaccine Research and Development, Chiba University, Chiba 260-8670, Japan
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Leonard-Duke J, Agro SMJ, Csordas DJ, Bruce AC, Eggertsen TG, Tavakol TN, Barker TH, Bonham CA, Saucerman JJ, Taite LJ, Peirce SM. Multiscale computational model predicts how environmental changes and drug treatments affect microvascular remodeling in fibrotic disease. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.15.585249. [PMID: 38559112 PMCID: PMC10979947 DOI: 10.1101/2024.03.15.585249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Investigating the molecular, cellular, and tissue-level changes caused by disease, and the effects of pharmacological treatments across these biological scales, necessitates the use of multiscale computational modeling in combination with experimentation. Many diseases dynamically alter the tissue microenvironment in ways that trigger microvascular network remodeling, which leads to the expansion or regression of microvessel networks. When microvessels undergo remodeling in idiopathic pulmonary fibrosis (IPF), functional gas exchange is impaired due to loss of alveolar structures and lung function declines. Here, we integrated a multiscale computational model with independent experiments to investigate how combinations of biomechanical and biochemical cues in IPF alter cell fate decisions leading to microvascular remodeling. Our computational model predicted that extracellular matrix (ECM) stiffening reduced microvessel area, which was accompanied by physical uncoupling of endothelial cell (ECs) and pericytes, the cells that comprise microvessels. Nintedanib, an FDA-approved drug for treating IPF, was predicted to further potentiate microvessel regression by decreasing the percentage of quiescent pericytes while increasing the percentage of pericytes undergoing pericyte-myofibroblast transition (PMT) in high ECM stiffnesses. Importantly, the model suggested that YAP/TAZ inhibition may overcome the deleterious effects of nintedanib by promoting EC-pericyte coupling and maintaining microvessel homeostasis. Overall, our combination of computational and experimental modeling can explain how cell decisions affect tissue changes during disease and in response to treatments.
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Affiliation(s)
- Julie Leonard-Duke
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, USA
- Robert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, Virginia, USA
| | - Samuel M. J. Agro
- Department of Chemical Engineering, University of Virginia, Charlottesville, Virginia, USA
| | - David J. Csordas
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, USA
- Robert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, Virginia, USA
| | - Anthony C. Bruce
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, USA
| | - Taylor G. Eggertsen
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, USA
- Robert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, Virginia, USA
| | - Tara N. Tavakol
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, USA
| | - Thomas H. Barker
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, USA
- Robert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, Virginia, USA
| | - Catherine A. Bonham
- Department of Pulmonary and Critical Care Medicine, University of Virginia, Charlottesville, Virginia, USA
| | - Jeffery J. Saucerman
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, USA
- Robert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, Virginia, USA
| | - Lakeshia J. Taite
- Department of Chemical Engineering, University of Virginia, Charlottesville, Virginia, USA
| | - Shayn M. Peirce
- Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia, USA
- Robert M. Berne Cardiovascular Research Center, University of Virginia, Charlottesville, Virginia, USA
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Surendran A, Huang C, Liu L. Circular RNAs and their roles in idiopathic pulmonary fibrosis. Respir Res 2024; 25:77. [PMID: 38321530 PMCID: PMC10848557 DOI: 10.1186/s12931-024-02716-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 01/29/2024] [Indexed: 02/08/2024] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive and fatal lung disease with limited treatment options. Circular RNAs (circRNAs) have emerged as a novel class of non-coding RNAs with diverse functions in cellular processes. This review paper aims to explore the potential involvement of circRNAs in the pathogenesis of IPF and their diagnostic and therapeutic implications. We begin by providing an overview of the epidemiology and risk factors associated with IPF, followed by a discussion of the pathophysiology underlying this complex disease. Subsequently, we delve into the history, types, biogenesis, and functions of circRNAs and then emphasize their regulatory roles in the pathogenesis of IPF. Furthermore, we examine the current methodologies for detecting circRNAs and explore their diagnostic applications in IPF. Finally, we discuss the potential utility of circRNAs in the treatment of IPF. In conclusion, circRNAs hold great promise as novel biomarkers and therapeutic targets in the management of IPF.
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Affiliation(s)
- Akshaya Surendran
- The Lundberg-Kienlen Lung Biology and Toxicology Laboratory, Department of Physiological Sciences, Oklahoma State University, 264 McElroy Hall, Stillwater, OK, 74078, USA
- Oklahoma Center for Respiratory and Infectious Diseases, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Chaoqun Huang
- The Lundberg-Kienlen Lung Biology and Toxicology Laboratory, Department of Physiological Sciences, Oklahoma State University, 264 McElroy Hall, Stillwater, OK, 74078, USA
- Oklahoma Center for Respiratory and Infectious Diseases, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Lin Liu
- The Lundberg-Kienlen Lung Biology and Toxicology Laboratory, Department of Physiological Sciences, Oklahoma State University, 264 McElroy Hall, Stillwater, OK, 74078, USA.
- Oklahoma Center for Respiratory and Infectious Diseases, Oklahoma State University, Stillwater, Oklahoma, USA.
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6
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Di X, Chen J, Li Y, Wang M, Wei J, Li T, Liao B, Luo D. Crosstalk between fibroblasts and immunocytes in fibrosis: From molecular mechanisms to clinical trials. Clin Transl Med 2024; 14:e1545. [PMID: 38264932 PMCID: PMC10807359 DOI: 10.1002/ctm2.1545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 12/25/2023] [Accepted: 01/02/2024] [Indexed: 01/25/2024] Open
Abstract
BACKGROUND The impact of fibroblasts on the immune system provides insight into the function of fibroblasts. In various tissue microenvironments, multiple fibroblast subtypes interact with immunocytes by secreting growth factors, cytokines, and chemokines, leading to wound healing, fibrosis, and escape of cancer immune surveillance. However, the specific mechanisms involved in the fibroblast-immunocyte interaction network have not yet been fully elucidated. MAIN BODY AND CONCLUSION Therefore, we systematically reviewed the molecular mechanisms of fibroblast-immunocyte interactions in fibrosis, from the history of cellular evolution and cell subtype divisions to the regulatory networks between fibroblasts and immunocytes. We also discuss how these communications function in different tissue and organ statuses, as well as potential therapies targeting the reciprocal fibroblast-immunocyte interplay in fibrosis. A comprehensive understanding of these functional cells under pathophysiological conditions and the mechanisms by which they communicate may lead to the development of effective and specific therapies targeting fibrosis.
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Affiliation(s)
- Xingpeng Di
- Department of Urology and Institute of UrologyWest China HospitalSichuan UniversityChengduP.R. China
| | - Jiawei Chen
- Department of Urology and Institute of UrologyWest China HospitalSichuan UniversityChengduP.R. China
| | - Ya Li
- Department of Urology and Institute of UrologyWest China HospitalSichuan UniversityChengduP.R. China
| | - Menghua Wang
- Department of Urology and Institute of UrologyWest China HospitalSichuan UniversityChengduP.R. China
| | - Jingwen Wei
- Department of Urology and Institute of UrologyWest China HospitalSichuan UniversityChengduP.R. China
| | - Tianyue Li
- Department of Urology and Institute of UrologyWest China HospitalSichuan UniversityChengduP.R. China
| | - Banghua Liao
- Department of Urology and Institute of UrologyWest China HospitalSichuan UniversityChengduP.R. China
| | - Deyi Luo
- Department of Urology and Institute of UrologyWest China HospitalSichuan UniversityChengduP.R. China
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Perrot CY, Karampitsakos T, Herazo-Maya JD. Monocytes and macrophages: emerging mechanisms and novel therapeutic targets in pulmonary fibrosis. Am J Physiol Cell Physiol 2023; 325:C1046-C1057. [PMID: 37694283 PMCID: PMC10635664 DOI: 10.1152/ajpcell.00302.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/30/2023] [Accepted: 08/30/2023] [Indexed: 09/12/2023]
Abstract
Pulmonary fibrosis results from a plethora of abnormal pathogenetic events. In idiopathic pulmonary fibrosis (IPF), inhalational, environmental, or occupational exposures in genetically and epigenetically predisposed individuals trigger recurrent cycles of alveolar epithelial cell injury, activation of coagulation pathways, chemoattraction, and differentiation of monocytes into monocyte-derived alveolar macrophages (Mo-AMs). When these events happen intermittently and repeatedly throughout the individual's life cycle, the wound repair process becomes aberrant leading to bronchiolization of distal air spaces, fibroblast accumulation, extracellular matrix deposition, and loss of the alveolar-capillary architecture. The role of immune dysregulation in IPF pathogenesis and progression has been underscored in the past mainly after the disappointing results of immunosuppressant use in IPF patients; however, recent reports highlighting the prognostic and mechanistic roles of monocytes and Mo-AMs revived the interest in immune dysregulation in IPF. In this review, we will discuss the role of these cells in the onset and progression of IPF, as well as potential targeted therapies.
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Affiliation(s)
- Carole Y Perrot
- Ubben Center for Pulmonary Fibrosis Research, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, Florida, United States
| | - Theodoros Karampitsakos
- Ubben Center for Pulmonary Fibrosis Research, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, Florida, United States
| | - Jose D Herazo-Maya
- Ubben Center for Pulmonary Fibrosis Research, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, Florida, United States
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8
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Berlin F, Mogren S, Ly C, Ramu S, Hvidtfeldt M, Uller L, Porsbjerg C, Andersson CK. Mast Cell Tryptase Promotes Airway Remodeling by Inducing Anti-Apoptotic and Cell Growth Properties in Human Alveolar and Bronchial Epithelial Cells. Cells 2023; 12:1439. [PMID: 37408273 DOI: 10.3390/cells12101439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 05/12/2023] [Accepted: 05/18/2023] [Indexed: 07/07/2023] Open
Abstract
Bronchial and alveolar remodeling and impaired epithelial function are characteristics of chronic respiratory diseases. In these patients, an increased number of mast cells (MCs) positive for serine proteases, tryptase and chymase, infiltrate the epithelium and alveolar parenchyma. However, little is known regarding the implication of intraepithelial MCs on the local environment, such as epithelial cell function and properties. In this study, we investigated whether MC tryptase is involved in bronchial and alveolar remodeling and the mechanisms of regulation during inflammation. Using novel holographic live cell imaging, we found that MC tryptase enhanced human bronchial and alveolar epithelial cell growth and shortened the cell division intervals. The elevated cell growth induced by tryptase remained in a pro-inflammatory state. Tryptase also increased the expression of the anti-apoptotic protein BIRC3, as well as growth factor release in epithelial cells. Thus, our data imply that the intraepithelial and alveolar MC release of tryptase may play a critical role in disturbing bronchial epithelial and alveolar homeostasis by altering cell growth-death regulation.
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Affiliation(s)
- Frida Berlin
- Department of Experimental Medical Science, Lund University, 22184 Lund, Sweden
| | - Sofia Mogren
- Department of Experimental Medical Science, Lund University, 22184 Lund, Sweden
| | - Camilla Ly
- Department of Experimental Medical Science, Lund University, 22184 Lund, Sweden
| | - Sangeetha Ramu
- Department of Experimental Medical Science, Lund University, 22184 Lund, Sweden
| | - Morten Hvidtfeldt
- Department of Respiratory Medicine, Copenhagen University Hospital Bispebjerg, 2400 Copenhagen, Denmark
| | - Lena Uller
- Department of Experimental Medical Science, Lund University, 22184 Lund, Sweden
| | - Celeste Porsbjerg
- Department of Respiratory Medicine, Copenhagen University Hospital Bispebjerg, 2400 Copenhagen, Denmark
| | - Cecilia K Andersson
- Department of Experimental Medical Science, Lund University, 22184 Lund, Sweden
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Fuess LE, Bolnick DI. Single-Cell RNA Sequencing Reveals Microevolution of the Stickleback Immune System. Genome Biol Evol 2023; 15:evad053. [PMID: 37039516 PMCID: PMC10116603 DOI: 10.1093/gbe/evad053] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 03/16/2023] [Accepted: 03/23/2023] [Indexed: 04/12/2023] Open
Abstract
The risk and severity of pathogen infections in humans, livestock, or wild organisms depend on host immune function, which can vary between closely related host populations or even among individuals. This immune variation can entail between-population differences in immune gene coding sequences, copy number, or expression. In recent years, many studies have focused on population divergence in immunity using whole-tissue transcriptomics. But, whole-tissue transcriptomics cannot distinguish between evolved differences in gene regulation within cells, versus changes in cell composition within the focal tissue. Here, we leverage single-cell transcriptomic approaches to document signatures of microevolution of immune system structure in a natural system, the three-spined stickleback (Gasterosteus aculeatus). We sampled nine adult fish from three populations with variability in resistance to a cestode parasite, Schistocephalus solidus, to create the first comprehensive immune cell atlas for G. aculeatus. Eight broad immune cell types, corresponding to major vertebrate immune cells, were identified. We were also able to document significant variation in both abundance and expression profiles of the individual immune cell types among the three populations of fish. Furthermore, we demonstrate that identified cell type markers can be used to reinterpret traditional transcriptomic data: we reevaluate previously published whole-tissue transcriptome data from a quantitative genetic experimental infection study to gain better resolution relating infection outcomes to inferred cell type variation. Our combined study demonstrates the power of single-cell sequencing to not only document evolutionary phenomena (i.e., microevolution of immune cells) but also increase the power of traditional transcriptomic data sets.
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Affiliation(s)
- Lauren E Fuess
- Department of Biology, Texas State University
- Department of Ecology and Evolutionary Biology, University of Connecticut
| | - Daniel I Bolnick
- Department of Ecology and Evolutionary Biology, University of Connecticut
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Arai T, Hirose M, Kagawa T, Hatsuda K, Inoue Y. Interleukin-11 in idiopathic pulmonary fibrosis: predictive value of prognosis and acute exacerbation. J Thorac Dis 2023; 15:300-310. [PMID: 36910057 PMCID: PMC9992571 DOI: 10.21037/jtd-22-876] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 12/09/2022] [Indexed: 01/12/2023]
Abstract
Background Idiopathic pulmonary fibrosis (IPF) is a fibrotic lung disease with a poor prognosis and unknown aetiology. We have recently clarified the prognostic value of the serum platelet-derived growth factor (PDGF) level in patients with IPF. Interleukin (IL)-11 is a member of the IL-6 family, and in vivo and in vitro studies have suggested that it has profibrotic effects in pulmonary fibrosis. In this study, we investigated the predictive value of the serum IL-11 level in patients with IPF for survival and occurrence of acute exacerbation (AE). Methods This retrospective study included 68 patients with IPF diagnosed according to the 2018 guideline. Serum PDGF levels were measured using the Bio-Plex method and serum IL-11 levels using enzyme-linked immune-sorbent assay. Cytokine production per lung volume was evaluated using the serum cytokine/percent predicted forced vital capacity (%FVC) value. Results Forty-six patients were male and the median age was 67 years. The serum IL-11/%FVC value was significantly correlated with the percent predicted diffusing capacity of carbon monoxide (ρ=-0.518, P<0.001) and modified Medical Research Council score for shortness of breath (mMRC) (ρ=0.335, P=0.006) by Spearman's rank correlation analysis. Multivariate Cox proportional hazard regression analysis revealed that the serum IL-11/%FVC value was a significant prognostic factor after adjustment for the serum PDGF/%FVC value and other clinical parameters including mMRC and lymphocyte percentage in bronchoalveolar lavage [hazard ratio (HR): 88.540, 95% confidence interval (CI): 1.905-4,115.686, P=0.022]. IL-11/%FVC value was also a significant predictor of AE after adjustment for age and PDGF/%FVC (HR: 1,815.443, 95% CI: 10.49-314,109.219, P=0.004). Conclusions The serum IL-11/%FVC value was an independent predictor of prognosis and AE occurrence in patients with IPF, and the IL-11 level appeared to show pathophysiologic value in IPF.
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Affiliation(s)
- Toru Arai
- Clinical Research Center, National Hospital Organization Kinki-Chuo Chest Medical Center, Sakai City, Osaka, Japan
| | - Masaki Hirose
- Clinical Research Center, National Hospital Organization Kinki-Chuo Chest Medical Center, Sakai City, Osaka, Japan
| | - Tomoko Kagawa
- Department of Internal Medicine, National Hospital Organization Kinki-Chuo Chest Medical Center, Sakai City, Osaka, Japan
| | - Kazuyoshi Hatsuda
- Clinical Research Center, National Hospital Organization Kinki-Chuo Chest Medical Center, Sakai City, Osaka, Japan
| | - Yoshikazu Inoue
- Clinical Research Center, National Hospital Organization Kinki-Chuo Chest Medical Center, Sakai City, Osaka, Japan
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11
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Ishida Y, Kuninaka Y, Mukaida N, Kondo T. Immune Mechanisms of Pulmonary Fibrosis with Bleomycin. Int J Mol Sci 2023; 24:ijms24043149. [PMID: 36834561 PMCID: PMC9958859 DOI: 10.3390/ijms24043149] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/27/2023] [Accepted: 02/01/2023] [Indexed: 02/09/2023] Open
Abstract
Fibrosis and structural remodeling of the lung tissue can significantly impair lung function, often with fatal consequences. The etiology of pulmonary fibrosis (PF) is diverse and includes different triggers such as allergens, chemicals, radiation, and environmental particles. However, the cause of idiopathic PF (IPF), one of the most common forms of PF, remains unknown. Experimental models have been developed to study the mechanisms of PF, and the murine bleomycin (BLM) model has received the most attention. Epithelial injury, inflammation, epithelial-mesenchymal transition (EMT), myofibroblast activation, and repeated tissue injury are important initiators of fibrosis. In this review, we examined the common mechanisms of lung wound-healing responses after BLM-induced lung injury as well as the pathogenesis of the most common PF. A three-stage model of wound repair involving injury, inflammation, and repair is outlined. Dysregulation of one or more of these three phases has been reported in many cases of PF. We reviewed the literature investigating PF pathogenesis, and the role of cytokines, chemokines, growth factors, and matrix feeding in an animal model of BLM-induced PF.
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12
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Yang Z, Bian M, Ma J, Dong Y, Yang D, Qiu M, Gao Z. Berberine regulates pulmonary inflammatory microenvironment and decreases collagen deposition in response to bleomycin-induced pulmonary fibrosis in mice. Basic Clin Pharmacol Toxicol 2023; 132:154-170. [PMID: 36433932 DOI: 10.1111/bcpt.13818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 10/09/2022] [Accepted: 11/22/2022] [Indexed: 11/27/2022]
Abstract
The purpose of this study was to explore the protective effect and potential mechanism of berberine on bleomycin (BLM)-induced fibrosis after lung injury in conjunction with network pharmacology. Berberine and pulmonary fibrosis prediction targets were collected for Gene Ontology (GO) functional analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis and so forth. A single intranasal dose of BLM (2.5 mg/kg) was administered to establish a model of fibrosis after lung injury, and berberine (50 mg/kg) was administered intraperitoneally daily for treatment. Network pharmacology results suggested that the mitogen-activated protein kinase (MAPK) signalling pathway may be a potential mechanism of berberine in delaying pulmonary fibrosis. The results of animal experiments showed that compared with the BLM group, after 14 days of berberine treatment, lung inflammatory cell aggregation was reduced and the expression levels of tumour necrosis factor-α (TNF-α), interleukin (IL)-8 and IL-6 were down-regulated in mice (p < 0.05); after 42 days of berberine treatment, the expression levels of transforming growth factor (TGF)-β1, platelet-derived growth factor-AB (PDGF-AB), hydroxyproline (HYP) and α-smooth muscle actin (α-SMA) were significantly down-regulated (p < 0.05), and the expression levels of total p38 MAPKα and p38 MAPKα (pT180/Y182) were down-regulated also (p < 0.05), inhibited collagen production and deposition, and increased the survival rate of mice to 70%. In conclusion, berberine attenuated inflammation mice, inhibited collagen production and showed some anti-pulmonary fibrosis potential in the MAPK signalling pathway.
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Affiliation(s)
- Zheng Yang
- Department of Cardiovascular Diseases, First Affiliated Hospital of Baotou Medical College, Baotou, China
| | - Mengni Bian
- Department of Pharmacy, Baotou Medical College, Baotou, China.,Department of Clinical Pharmacy, Third Affiliated Hospital of Inner Mongolia Medical University, Baotou, China
| | - Junbing Ma
- Department of Cardiovascular Diseases, First Affiliated Hospital of Baotou Medical College, Baotou, China
| | - Yonghe Dong
- Department of Pharmacy, Baotou Medical College, Baotou, China
| | - Dan Yang
- Department of Pharmacy, Baotou Medical College, Baotou, China
| | - Min Qiu
- Department of Pharmacy, Baotou Medical College, Baotou, China
| | - Zhixiang Gao
- Department of Pharmacy, Baotou Medical College, Baotou, China
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13
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Yagasaki H, Takekoshi S, Kitatani K, Kato C, Yamasaki H, Shioyama K, Tsuboi T, Matsuzaki T, Inagaki Y, Masuda R, Iwazaki M. Protective effect of ebselen on bleomycin-induced lung fibrosis: analysis of the molecular mechanism of lung fibrosis mediated by oxidized diacylglycerol. Free Radic Res 2022; 56:473-482. [PMID: 36562703 DOI: 10.1080/10715762.2022.2092477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The molecular mechanisms underlying the development of pulmonary fibrosis remain unknown, and effective treatments have not yet been developed. It has been shown that oxidative stress is involved in lung fibrosis. Oxidized diacylglycerol (DAG) produced by oxidative stress is thought to play an important role in lung fibrosis. This study assessed the effect of oxidized DAG in an animal model of pulmonary fibrosis induced by aspiration of bleomycin (BLM) into the lungs. The inhibitory effect of ebselen on pulmonary fibrosis was also investigated. In lung fibrotic tissue induced by BLM, an increase in lipid peroxides and collagen accumulation was observed. Moreover, the levels of oxidized DAG, which has strong protein kinase C (PKC) activation activity, were significantly increased over time following the administration of BLM. Western blotting showed that phosphorylation of PKCα and δ isoforms was increased by BLM. Oral administration of ebselen significantly suppressed the increase in oxidized DAG induced by BLM and improved lung fibrosis. PKCα and δ phosphorylation were also significantly inhibited. The mRNA expression of α-smooth muscle actin and collagen I (marker molecules for fibrosis), as well as the production of transforming growth factor-β and tumor necrosis factor-α(a potentially important factor in the fibrotic process), were increased by BLM and significantly decreased by ebselen. The administration of BLM may induce lipid peroxidation in lung tissue, while the oxidized DAG produced by BLM may induce overactivation of PKCα and δ, resulting in the induction of lung fibrosis.
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Affiliation(s)
- Hidehiko Yagasaki
- Division of Thoracic Surgery, Department of Surgery, Tokai University School of Medicine, Isehara, Japan
| | - Susumu Takekoshi
- Department of Cell Biology, Division of Host Defense Mechanism, Tokai University School of Medicine, Isehara, Japan
| | - Kanae Kitatani
- Department of Cell Biology, Division of Host Defense Mechanism, Tokai University School of Medicine, Isehara, Japan.,Medical science college office, Tokai University School of Medicine, Isehara, Japan
| | - Chikara Kato
- Department of Cell Biology, Division of Host Defense Mechanism, Tokai University School of Medicine, Isehara, Japan
| | - Hiroyuki Yamasaki
- Department of Cell Biology, Division of Host Defense Mechanism, Tokai University School of Medicine, Isehara, Japan
| | - Kie Shioyama
- Division of Thoracic Surgery, Department of Surgery, Tokai University School of Medicine, Isehara, Japan
| | - Takaaki Tsuboi
- Division of Thoracic Surgery, Department of Surgery, Tokai University School of Medicine, Isehara, Japan
| | - Tomohiko Matsuzaki
- Division of Thoracic Surgery, Department of Surgery, Tokai University School of Medicine, Isehara, Japan
| | - Yutaka Inagaki
- Department of Innovative Medical Science, Tokai University School of Medicine, Isehara, Japan
| | - Ryota Masuda
- Division of Thoracic Surgery, Department of Surgery, Tokai University School of Medicine, Isehara, Japan
| | - Masayuki Iwazaki
- Division of Thoracic Surgery, Department of Surgery, Tokai University School of Medicine, Isehara, Japan
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14
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Jiang Y, Xie YZ, Peng CW, Yao KN, Lin XY, Zhan SF, Zhuang HF, Huang HT, Liu XH, Huang XF, Li H. Modeling Kaempferol as a Potential Pharmacological Agent for COVID-19/PF Co-Occurrence Based on Bioinformatics and System Pharmacological Tools. Front Pharmacol 2022; 13:865097. [PMID: 35754492 PMCID: PMC9214245 DOI: 10.3389/fphar.2022.865097] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 04/25/2022] [Indexed: 11/13/2022] Open
Abstract
Objective: People suffering from coronavirus disease 2019 (COVID-19) are prone to develop pulmonary fibrosis (PF), but there is currently no definitive treatment for COVID-19/PF co-occurrence. Kaempferol with promising antiviral and anti-fibrotic effects is expected to become a potential treatment for COVID-19 and PF comorbidities. Therefore, this study explored the targets and molecular mechanisms of kaempferol against COVID-19/PF co-occurrence by bioinformatics and network pharmacology. Methods: Various open-source databases and Venn Diagram tool were applied to confirm the targets of kaempferol against COVID-19/PF co-occurrence. Protein-protein interaction (PPI), MCODE, key transcription factors, tissue-specific enrichment, molecular docking, Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were used to clarify the influential molecular mechanisms of kaempferol against COVID-19 and PF comorbidities. Results: 290 targets and 203 transcription factors of kaempferol against COVID-19/PF co-occurrence were captured. Epidermal growth factor receptor (EGFR), proto-oncogene tyrosine-protein kinase SRC (SRC), mitogen-activated protein kinase 3 (MAPK3), mitogen-activated protein kinase 1 (MAPK1), mitogen-activated protein kinase 8 (MAPK8), RAC-alpha serine/threonine-protein kinase (AKT1), transcription factor p65 (RELA) and phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform (PIK3CA) were identified as the most critical targets, and kaempferol showed effective binding activities with the above critical eight targets. Further, anti-COVID-19/PF co-occurrence effects of kaempferol were associated with the regulation of inflammation, oxidative stress, immunity, virus infection, cell growth process and metabolism. EGFR, interleukin 17 (IL-17), tumor necrosis factor (TNF), hypoxia inducible factor 1 (HIF-1), phosphoinositide 3-kinase/AKT serine/threonine kinase (PI3K/AKT) and Toll-like receptor signaling pathways were identified as the key anti-COVID-19/PF co-occurrence pathways. Conclusion: Kaempferol is a candidate treatment for COVID-19/PF co-occurrence. The underlying mechanisms may be related to the regulation of critical targets (EGFR, SRC, MAPK3, MAPK1, MAPK8, AKT1, RELA, PIK3CA and so on) and EGFR, IL-17, TNF, HIF-1, PI3K/AKT and Toll-like receptor signaling pathways. This study contributes to guiding development of new drugs for COVID-19 and PF comorbidities.
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Affiliation(s)
- Yong Jiang
- Shenzhen Hospital of Integrated Traditional Chinese and Western Medicine, Shenzhen, China
| | - Yi-Zi Xie
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Chen-Wen Peng
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Kai-Nan Yao
- Shenzhen Bao'an District Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Xue-Ying Lin
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shao-Feng Zhan
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hong-Fa Zhuang
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hui-Ting Huang
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiao-Hong Liu
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiu-Fang Huang
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hang Li
- Shenzhen Bao'an District Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, China
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15
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Hennion N, Desseyn JL, Gottrand F, Wémeau-Stervinou L, Gouyer V. La fibrose pulmonaire idiopathique. Med Sci (Paris) 2022; 38:579-584. [DOI: 10.1051/medsci/2022084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
La fibrose pulmonaire idiopathique (FPI) est une maladie pulmonaire chronique, évolutive et mortelle dont l’origine est inconnue. Elle se caractérise par une cicatrisation aberrante de l’épithélium alvéolaire aboutissant à une accumulation de matrice extracellulaire (MEC). Les foyers fibroblastiques, constitués de fibroblastes et de myofibroblastes, sont responsables de la production excessive de MEC. Les deux seules molécules thérapeutiques disponibles sur le marché permettent seulement de ralentir l’évolution de la maladie. Dans cette revue, nous présentons les mécanismes impliqués dans la progression de la maladie, ses traitements et les modèles d’étude.
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16
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Shen H, Zhang N, Liu Y, Yang X, He Y, Li Q, Shen X, Zhu Y, Yang Y. The Interaction Between Pulmonary Fibrosis and COVID-19 and the Application of Related Anti-Fibrotic Drugs. Front Pharmacol 2022; 12:805535. [PMID: 35069217 PMCID: PMC8766975 DOI: 10.3389/fphar.2021.805535] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 12/15/2021] [Indexed: 12/15/2022] Open
Abstract
COVID-19 is a highly contagious respiratory disease, which mainly affects the lungs. Critically ill patients are easily complicated by cytokine storms, acute respiratory distress syndrome (ARDS), and respiratory failure, which seriously threaten their lives. Pulmonary fibrosis (PF) is a common interstitial lung disease, and its pathogenesis may involve the participation of a variety of immune cells and inflammatory factors. Current studies have shown that patients with COVID-19 may be complicated by pulmonary fibrosis, and patients with pulmonary fibrosis may also be at higher risk of contracting COVID-19 than healthy people. Pulmonary fibrosis is an important risk factor leading to the aggravation of COVID-19 disease. COVID-19 complicated by cytokine storm and ARDS mechanism pathways are similar to the pathogenesis of pulmonary fibrosis. The potential interaction between pulmonary fibrosis and COVID-19 can cause acute exacerbation of the patient’s condition, but the potential mechanism between the two has not been fully elucidated. Most of the drug treatment programs for COVID-19-related pulmonary fibrosis are currently formulated about the relevant guidelines for idiopathic pulmonary fibrosis (IPF), and there is no clear drug treatment program recommendation. This article aims to summarize the relevant mechanism pathways of COVID-19 and pulmonary fibrosis, explore the interrelationships and possible mechanisms, and discuss the value and risks of existing and potential COVID-19-related pulmonary fibrosis treatment drugs, to provide reference for anti-fibrosis treatment for patients.
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Affiliation(s)
- Hao Shen
- Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.,Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Nu Zhang
- Department of Pharmacy, People's Hospital of Fushun County, Fushun, China
| | - Yuqing Liu
- School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xuerong Yang
- Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.,Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yuanyuan He
- Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.,Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Qi Li
- Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.,Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaoyan Shen
- Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.,Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yulian Zhu
- Department of Pharmacy, Ziyang People's Hospital, Ziyang, China
| | - Yong Yang
- Department of Pharmacy, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.,Personalized Drug Therapy Key Laboratory of Sichuan Province, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
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17
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Molecular pathways and role of epigenetics in the idiopathic pulmonary fibrosis. Life Sci 2022; 291:120283. [PMID: 34998839 DOI: 10.1016/j.lfs.2021.120283] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/19/2021] [Accepted: 12/27/2021] [Indexed: 12/12/2022]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a fatal lung disease with unknown etiological factors that can progress to other dangerous diseases like lung cancer. Environmental and genetic predisposition are the two major etiological or risk factors involved in the pathology of the IPF. Among the environmental risk factors, smoking is one of the major causes for the development of IPF. Epigenetic pathways like nucleosomes remodeling, DNA methylation, histone modifications and miRNA mediated genes play a crucial role in development of IPF. Mutations in the genes make the epigenetic factors as important drug targets in IPF. Transcriptional changes due to environmental factors are also involved in the progression of IPF. The mutations in human telomerase reverse transcriptase (hTERT) have shown decreased life expectancy in IPF patients. The TERT-gene is highly expressed in chronic smokers and makes the role of epigenetics evident. Drug like nintedanib acts through vascular endothelial growth factor receptors (VEGFR), while drug pirfenidone acts through transforming growth factor (TGF), which is useful in IPF. Gefitinib, a tyrosine kinase inhibitor of EGFR, is useful as an anti-fibrosis agent in preclinical models. Newer drugs such as Celgene-CC90001 and FibroGen-FG-3019 are currently under investigations acts through the modulating epigenetic mechanisms. Thus, the study on epigenetics opens a wide window for the discovery of newer drugs. This study provides an elementary analysis of multiple regulators of epigenetics and their roles associated with the pathology of IPF. Further, this review also includes epigenetic drugs under development in preclinical and clinical stages.
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18
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Wang J, Hu K, Cai X, Yang B, He Q, Wang J, Weng Q. Targeting PI3K/AKT signaling for treatment of idiopathic pulmonary fibrosis. Acta Pharm Sin B 2022; 12:18-32. [PMID: 35127370 PMCID: PMC8799876 DOI: 10.1016/j.apsb.2021.07.023] [Citation(s) in RCA: 127] [Impact Index Per Article: 63.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 06/13/2021] [Accepted: 07/09/2021] [Indexed: 01/03/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic progressive fibrotic interstitial pneumonia with unknown causes. The incidence rate increases year by year and the prognosis is poor without cure. Recently, phosphatidylinositol 3-kinase (PI3K)/protein kinase B (PKB/AKT) signaling pathway can be considered as a master regulator for IPF. The contribution of the PI3K/AKT in fibrotic processes is increasingly prominent, with PI3K/AKT inhibitors currently under clinical evaluation in IPF. Therefore, PI3K/AKT represents a critical signaling node during fibrogenesis with potential implications for the development of novel anti-fibrotic strategies. This review epitomizes the progress that is being made in understanding the complex interpretation of the cause of IPF, and demonstrates that PI3K/AKT can directly participate to the greatest extent in the formation of IPF or cooperate with other pathways to promote the development of fibrosis. We further summarize promising PI3K/AKT inhibitors with IPF treatment benefits, including inhibitors in clinical trials and pre-clinical studies and natural products, and discuss how these inhibitors mitigate fibrotic progression to explore possible potential agents, which will help to develop effective treatment strategies for IPF in the near future.
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Affiliation(s)
- Jincheng Wang
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Kaili Hu
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Xuanyan Cai
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Bo Yang
- Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qiaojun He
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jiajia Wang
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Qinjie Weng
- Center for Drug Safety Evaluation and Research, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
- Hangzhou Institute of Innovative Medicine, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
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19
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Pintado-Berninches L, Montes-Worboys A, Manguan-García C, Arias-Salgado EG, Serrano A, Fernandez-Varas B, Guerrero-López R, Iarriccio L, Planas L, Guenechea G, Egusquiaguirre SP, Hernandez RM, Igartua M, Luis Pedraz J, Cortijo J, Sastre L, Molina-Molina M, Perona R. GSE4-loaded nanoparticles a potential therapy for lung fibrosis that enhances pneumocyte growth, reduces apoptosis and DNA damage. FASEB J 2021; 35:e21422. [PMID: 33638895 DOI: 10.1096/fj.202001160rr] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 01/07/2021] [Accepted: 01/08/2021] [Indexed: 12/13/2022]
Abstract
Idiopathic pulmonary fibrosis is a lethal lung fibrotic disease, associated with aging with a mean survival of 2-5 years and no curative treatment. The GSE4 peptide is able to rescue cells from senescence, DNA and oxidative damage, inflammation, and induces telomerase activity. Here, we investigated the protective effect of GSE4 expression in vitro in rat alveolar epithelial cells (AECs), and in vivo in a bleomycin model of lung fibrosis. Bleomycin-injured rat AECs, expressing GSE4 or treated with GSE4-PLGA/PEI nanoparticles showed an increase of telomerase activity, decreased DNA damage, and decreased expression of IL6 and cleaved-caspase 3. In addition, these cells showed an inhibition in expression of fibrotic markers induced by TGF-β such as collagen-I and III among others. Furthermore, treatment with GSE4-PLGA/PEI nanoparticles in a rat model of bleomycin-induced fibrosis, increased telomerase activity and decreased DNA damage in proSP-C cells. Both in preventive and therapeutic protocols GSE4-PLGA/PEI nanoparticles prevented and attenuated lung damage monitored by SPECT-CT and inhibited collagen deposition. Lungs of rats treated with bleomycin and GSE4-PLGA/PEI nanoparticles showed reduced expression of α-SMA and pro-inflammatory cytokines, increased number of pro-SPC-multicellular structures and increased DNA synthesis in proSP-C cells, indicating therapeutic efficacy of GSE4-nanoparticles in experimental lung fibrosis and a possible curative treatment for lung fibrotic patients.
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Affiliation(s)
- Laura Pintado-Berninches
- Instituto de Investigaciones Biomédicas, CSIC/UAM, IDIPaz, Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Ana Montes-Worboys
- ILD Unit, Pneumology Department, University Hospital of Bellvitge, IDIBELL, University of Barcelona, Hospitalet de Llobregat, Barcelona, Spain
| | - Cristina Manguan-García
- Instituto de Investigaciones Biomédicas, CSIC/UAM, IDIPaz, Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain
| | | | - Adela Serrano
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain.,CIBER of Respiratory diseases (CIBERES), Health Institute Carlos III, Madrid, Spain
| | | | - Rosa Guerrero-López
- Instituto de Investigaciones Biomédicas, CSIC/UAM, IDIPaz, Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Laura Iarriccio
- Instituto de Investigaciones Biomédicas, CSIC/UAM, IDIPaz, Madrid, Spain
| | - Lurdes Planas
- ILD Unit, Pneumology Department, University Hospital of Bellvitge, IDIBELL, University of Barcelona, Hospitalet de Llobregat, Barcelona, Spain
| | - Guillermo Guenechea
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain.,Division of Hematopoietic Innovative Therapies, Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Instituto de Investigación Sanitaria Fundación Jiménez Díaz (IIS-FJD/UAM), Madrid, Spain
| | - Susana P Egusquiaguirre
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), CIBER-BBN, Vitoria-Gasteiz, Spain
| | - Rosa M Hernandez
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), CIBER-BBN, Vitoria-Gasteiz, Spain
| | - Manoli Igartua
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), CIBER-BBN, Vitoria-Gasteiz, Spain
| | - Jose Luis Pedraz
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), CIBER-BBN, Vitoria-Gasteiz, Spain
| | - Julio Cortijo
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain.,CIBER of Respiratory diseases (CIBERES), Health Institute Carlos III, Madrid, Spain
| | - Leandro Sastre
- Instituto de Investigaciones Biomédicas, CSIC/UAM, IDIPaz, Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Maria Molina-Molina
- ILD Unit, Pneumology Department, University Hospital of Bellvitge, IDIBELL, University of Barcelona, Hospitalet de Llobregat, Barcelona, Spain.,CIBER of Respiratory diseases (CIBERES), Health Institute Carlos III, Madrid, Spain
| | - Rosario Perona
- Instituto de Investigaciones Biomédicas, CSIC/UAM, IDIPaz, Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain
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20
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Reyes-García J, Montaño LM, Carbajal-García A, Wang YX. Sex Hormones and Lung Inflammation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1304:259-321. [PMID: 34019274 DOI: 10.1007/978-3-030-68748-9_15] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Inflammation is a characteristic marker in numerous lung disorders. Several immune cells, such as macrophages, dendritic cells, eosinophils, as well as T and B lymphocytes, synthetize and release cytokines involved in the inflammatory process. Gender differences in the incidence and severity of inflammatory lung ailments including asthma, chronic obstructive pulmonary disease (COPD), pulmonary fibrosis (PF), lung cancer (LC), and infectious related illnesses have been reported. Moreover, the effects of sex hormones on both androgens and estrogens, such as testosterone (TES) and 17β-estradiol (E2), driving characteristic inflammatory patterns in those lung inflammatory diseases have been investigated. In general, androgens seem to display anti-inflammatory actions, whereas estrogens produce pro-inflammatory effects. For instance, androgens regulate negatively inflammation in asthma by targeting type 2 innate lymphoid cells (ILC2s) and T-helper (Th)-2 cells to attenuate interleukin (IL)-17A-mediated responses and leukotriene (LT) biosynthesis pathway. Estrogens may promote neutrophilic inflammation in subjects with asthma and COPD. Moreover, the activation of estrogen receptors might induce tumorigenesis. In this chapter, we summarize the most recent advances in the functional roles and associated signaling pathways of inflammatory cellular responses in asthma, COPD, PF, LC, and newly occurring COVID-19 disease. We also meticulously deliberate the influence of sex steroids on the development and progress of these common and severe lung diseases.
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Affiliation(s)
- Jorge Reyes-García
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, CDMX, Mexico City, Mexico.,Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY, USA
| | - Luis M Montaño
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, CDMX, Mexico City, Mexico
| | - Abril Carbajal-García
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, CDMX, Mexico City, Mexico
| | - Yong-Xiao Wang
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY, USA.
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21
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John AE, Joseph C, Jenkins G, Tatler AL. COVID-19 and pulmonary fibrosis: A potential role for lung epithelial cells and fibroblasts. Immunol Rev 2021; 302:228-240. [PMID: 34028807 PMCID: PMC8237078 DOI: 10.1111/imr.12977] [Citation(s) in RCA: 111] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/30/2021] [Accepted: 05/03/2021] [Indexed: 01/08/2023]
Abstract
The COVID-19 pandemic rapidly spread around the world following the first reports in Wuhan City, China in late 2019. The disease, caused by the novel SARS-CoV-2 virus, is primarily a respiratory condition that can affect numerous other bodily systems including the cardiovascular and gastrointestinal systems. The disease ranges in severity from asymptomatic through to severe acute respiratory distress requiring intensive care treatment and mechanical ventilation, which can lead to respiratory failure and death. It has rapidly become evident that COVID-19 patients can develop features of interstitial pulmonary fibrosis, which in many cases persist for as long as we have thus far been able to follow the patients. Many questions remain about how such fibrotic changes occur within the lung of COVID-19 patients, whether the changes will persist long term or are capable of resolving, and whether post-COVID-19 pulmonary fibrosis has the potential to become progressive, as in other fibrotic lung diseases. This review brings together our existing knowledge on both COVID-19 and pulmonary fibrosis, with a particular focus on lung epithelial cells and fibroblasts, in order to discuss common pathways and processes that may be implicated as we try to answer these important questions in the months and years to come.
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Affiliation(s)
- Alison E John
- Nottingham NIHR Respiratory Biomedical Research Centre, University of Nottingham, Nottingham, UK.,National Heart and Lung Institute, Imperial College, London, UK
| | - Chitra Joseph
- Nottingham NIHR Respiratory Biomedical Research Centre, University of Nottingham, Nottingham, UK
| | - Gisli Jenkins
- Nottingham NIHR Respiratory Biomedical Research Centre, University of Nottingham, Nottingham, UK.,National Heart and Lung Institute, Imperial College, London, UK
| | - Amanda L Tatler
- Nottingham NIHR Respiratory Biomedical Research Centre, University of Nottingham, Nottingham, UK
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22
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Roberts MJ, May LT, Keen AC, Liu B, Lam T, Charlton SJ, Rosethorne EM, Halls ML. Inhibition of the Proliferation of Human Lung Fibroblasts by Prostacyclin Receptor Agonists is Linked to a Sustained cAMP Signal in the Nucleus. Front Pharmacol 2021; 12:669227. [PMID: 33995100 PMCID: PMC8116805 DOI: 10.3389/fphar.2021.669227] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 04/16/2021] [Indexed: 12/21/2022] Open
Abstract
Idiopathic pulmonary fibrosis is a chronic and progressive fibrotic lung disease, and current treatments are limited by their side effects. Proliferation of human lung fibroblasts in the pulmonary interstitial tissue is a hallmark of this disease and is driven by prolonged ERK signalling in the nucleus in response to growth factors such as platelet-derived growth factor (PDGF). Agents that increase cAMP have been suggested as alternative therapies, as this second messenger can inhibit the ERK cascade. We previously examined a panel of eight Gαs-cAMP-coupled G protein-coupled receptors (GPCRs) endogenously expressed in human lung fibroblasts. Although the cAMP response was important for the anti-fibrotic effects of GPCR agonists, the magnitude of the acute cAMP response was not predictive of anti-fibrotic efficacy. Here we examined the reason for this apparent disconnect by stimulating the Gαs-coupled prostacyclin receptor and measuring downstream signalling at a sub-cellular level. MRE-269 and treprostinil caused sustained cAMP signalling in the nucleus and complete inhibition of PDGF-induced nuclear ERK and fibroblast proliferation. In contrast, iloprost caused a transient increase in nuclear cAMP, there was no effect of iloprost on PDGF-induced ERK in the nucleus, and this agonist was much less effective at reversing PDGF-induced proliferation. This suggests that sustained elevation of cAMP in the nucleus is necessary for efficient inhibition of PDGF-induced nuclear ERK and fibroblast proliferation. This is an important first step towards understanding of the signalling events that drive GPCR inhibition of fibrosis.
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Affiliation(s)
- Maxine J Roberts
- Cell Signalling Research Group, School of Life Sciences, University of Nottingham, Queen's Medical Centre, Nottingham, United Kingdom.,Drug Discovery Biology Theme, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Vic, Australia
| | - Lauren T May
- Drug Discovery Biology Theme, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Vic, Australia
| | - Alastair C Keen
- Drug Discovery Biology Theme, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Vic, Australia
| | - Bonan Liu
- Drug Discovery Biology Theme, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Vic, Australia
| | - Terrance Lam
- Drug Discovery Biology Theme, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Vic, Australia
| | - Steven J Charlton
- Cell Signalling Research Group, School of Life Sciences, University of Nottingham, Queen's Medical Centre, Nottingham, United Kingdom.,Excellerate Bioscience Ltd., BioCity, Nottingham, United Kingdom
| | - Elizabeth M Rosethorne
- Cell Signalling Research Group, School of Life Sciences, University of Nottingham, Queen's Medical Centre, Nottingham, United Kingdom
| | - Michelle L Halls
- Drug Discovery Biology Theme, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Vic, Australia
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Matsuda S, Kotani T, Kuwabara H, Suzuka T, Kiboshi T, Fukui K, Ishida T, Fujiki Y, Shiba H, Hata K, Shod T, Hirose Y, Takeuchi T. CCL2 Produced by CD68+/CD163+ Macrophages as a Promising Clinical Biomarker of Microscopic Polyanigiitis-Interstitial Lung Disease. Rheumatology (Oxford) 2021; 60:4643-4653. [PMID: 33493350 DOI: 10.1093/rheumatology/keab064] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 01/06/2021] [Indexed: 01/07/2023] Open
Abstract
OBJECTIVES Microscopic polyangiitis (MPA) is often complicated by interstitial lung disease (ILD); however, biomarkers that can be used to diagnose and predict the progression of MPA-ILD have not been identified. In this study we evaluated various serum biomarkers in MPA-ILD to assess their diagnostic and predictive performance. METHODS We enrolled 49 patients with anti-neutrophil cytoplasmic antibody (ANCA)+ MPA and 10 healthy controls, with 32 of the MPA patients also presented ILD. The presence of ILD was assessed by high-resolution computed tomography and evaluated by ground-glass opacity and fibrosis score. We compared 16 biomarker profiles among MPA-ILD patients, those without ILD, and healthy controls and extracted biomarkers with higher levels in MPA-ILD groups to determine correlations with disease activity and other biomarkers. Three lung biopsies were examined by hematoxylin-eosin staining and immunostaining. RESULTS Initial serum C-C motif chemokine ligand 2 (CCL2) levels were significantly higher in the MPA-ILD group than those of the MPA group, and were significantly higher in MPA-ILD patients 1 year after immunosuppressive therapy than those before treatment. Initial serum CCL2 levels positively correlated with an increased fibrosis score during the year after treatment and with initial serum platelet-derived growth factor levels. Immunohistochemical staining showed intense CCL2 signals in CD68+/CD163+ macrophages and metaplastic epithelial cells in MPA-ILD lungs. CONCLUSION CCL2 is associated with MPA-ILD pathogenesis and suggested its potential efficacy as a useful marker for diagnosing and predicting MPA-ILD progression. Therefore, targeting CCL2 in alveolar CD68+/CD163+ macrophages might represent a therapeutic intervention in ANCA+ MPA-ILD.
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Affiliation(s)
- Shogo Matsuda
- Department of Internal Medicine (IV), Osaka Medical College, Takatsuki, Osaka, Japan
| | - Takuya Kotani
- Department of Internal Medicine (IV), Osaka Medical College, Takatsuki, Osaka, Japan
| | - Hiroko Kuwabara
- Department of Pathology, Osaka Medical College, Takatsuki, Osaka, Japan
| | - Takayasu Suzuka
- Department of Internal Medicine (IV), Osaka Medical College, Takatsuki, Osaka, Japan
| | - Takao Kiboshi
- Department of Internal Medicine (IV), Osaka Medical College, Takatsuki, Osaka, Japan
| | - Keisuke Fukui
- Graduate School of Advanced Science and Engineering, Hiroshima University, Higashi-Hiroshima City, Hiroshima, Japan.,Department of medical Statistics, Research and Development Center, Osaka Medical College, Takatsuki, Osaka, Japan
| | - Takaaki Ishida
- Department of Internal Medicine (IV), Osaka Medical College, Takatsuki, Osaka, Japan
| | - Youhei Fujiki
- Department of Internal Medicine (IV), Osaka Medical College, Takatsuki, Osaka, Japan
| | - Hideyuki Shiba
- Department of Internal Medicine (IV), Osaka Medical College, Takatsuki, Osaka, Japan
| | - Kenichiro Hata
- Department of Internal Medicine (IV), Osaka Medical College, Takatsuki, Osaka, Japan
| | - Takeshi Shod
- Department of Rheumatology, Yodogawa Christian Hospital, Osaka, Japan
| | - Yoshinobu Hirose
- Department of Pathology, Osaka Medical College, Takatsuki, Osaka, Japan
| | - Tohru Takeuchi
- Department of Internal Medicine (IV), Osaka Medical College, Takatsuki, Osaka, Japan
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Schisandra Inhibit Bleomycin-Induced Idiopathic Pulmonary Fibrosis in Rats via Suppressing M2 Macrophage Polarization. BIOMED RESEARCH INTERNATIONAL 2020; 2020:5137349. [PMID: 32884941 PMCID: PMC7455820 DOI: 10.1155/2020/5137349] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/16/2020] [Accepted: 08/03/2020] [Indexed: 12/20/2022]
Abstract
Idiopathic pulmonary fibrosis (IPF) is defined as a specific form of chronic, progressive fibrosing interstitial pneumonia of unknown cause and limited to the lungs. Schisandrae chinensis fructus (Wuweizi, Schisandra) is commonly used traditional Chinese medicines (TCM) for the treatment of pulmonary fibrosis, bronchitis, and other lung diseases in China. In this study, we investigated the therapeutic effect of Schisandra on IPF which is induced by bleomycin (BLM) in rats and the inhibition of alternatively activated macrophage (M2) polarization. Bleomycin-induced pulmonary fibrosis was used as a model for IPF, and rats were given drug interventions for 7 and 28 days to evaluate the role of Schisandra in the early oxidative phase and late fibrotic phases of BLM-induced pulmonary injury. The data showed that Schisandra exerted protective effects on BLM-induced pulmonary injury in two phases, which were improving inflammatory cell infiltration and severe damages of lung architectures and decreasing markers of M2 subtype. In order to prove the inhibitory effect of Schisandra on M2 polarization, in vitro experiments, we found that Schisandra downregulated the M2 ratio, which confirmed that the polarization of M2 was suppressed. Moreover, Schisandra blocked TGF-β1 signaling in AMs by reducing the levels of Smad3 and Smad4; meanwhile, the upregulation of Smad7 by Schisandra also promoted the effect of inhibition on the TGF-β1/Smad pathway. These results demonstrate that suppression of M2 polarization by Schisandra is associated with the development of IPF in rats.
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25
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Selman M, Pardo A. The leading role of epithelial cells in the pathogenesis of idiopathic pulmonary fibrosis. Cell Signal 2020; 66:109482. [DOI: 10.1016/j.cellsig.2019.109482] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 11/18/2019] [Accepted: 11/19/2019] [Indexed: 12/12/2022]
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Idiopathic Pulmonary Fibrosis: Pathogenesis and the Emerging Role of Long Non-Coding RNAs. Int J Mol Sci 2020; 21:ijms21020524. [PMID: 31947693 PMCID: PMC7013390 DOI: 10.3390/ijms21020524] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [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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Current advances in idiopathic pulmonary fibrosis: the pathogenesis, therapeutic strategies and candidate molecules. Future Med Chem 2019; 11:2595-2620. [PMID: 31633402 DOI: 10.4155/fmc-2019-0111] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a type of chronic, progressive lung disease with unknown cause, which is characterized by increasing dyspnea and destruction of lung function with a high mortality rate. Evolving evidence demonstrated that the pathogenesis of IPF involved multiple signaling pathways such as inflammation, oxidative stress and fibrosis. However, drug discovery to prevent or revert IPF has been insufficient to cope with the development. Drug discovery targeting multiple links should be considered. In this review, we will brief the pathogenesis of IPF and discuss several small chemical entities toward the pathogenesis for IPF studied in animal models and clinical trials. The field of novel anti-IPF agents and the future directions for the prevention and treatment of IPF are detailed thoroughly discussed.
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28
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Ng B, Dong J, D’Agostino G, Viswanathan S, Widjaja AA, Lim WW, Ko NSJ, Tan J, Chothani SP, Huang B, Xie C, Pua CJ, Chacko AM, Guimarães-Camboa N, Evans SM, Byrne AJ, Maher TM, Liang J, Jiang D, Noble PW, Schafer S, Cook SA. Interleukin-11 is a therapeutic target in idiopathic pulmonary fibrosis. Sci Transl Med 2019; 11:11/511/eaaw1237. [DOI: 10.1126/scitranslmed.aaw1237] [Citation(s) in RCA: 116] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 03/07/2019] [Accepted: 08/11/2019] [Indexed: 01/18/2023]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive fibrotic lung disease where invasive pulmonary myofibroblasts secrete collagen and destroy lung integrity. Here, we show that interleukin-11 (IL11) is up-regulated in the lung of patients with IPF, associated with disease severity, and IL-11 is secreted from IPF fibroblasts. In vitro, IL-11 stimulates lung fibroblasts to become invasive actin alpha 2, smooth muscle–positive (ACTA2+), collagen-secreting myofibroblasts in an extracellular signal–regulated kinase (ERK)–dependent, posttranscriptional manner. In mice, fibroblast-specific transgenic expression or administration of murine IL-11 induces lung myofibroblasts and causes lung fibrosis. IL-11 receptor subunit alpha-1 (Il11ra1)–deleted mice, whose lung fibroblasts are unresponsive to profibrotic stimulation, are protected from fibrosis in the bleomycin mouse model of pulmonary fibrosis. We generated an IL-11–neutralizing antibody that blocks lung fibroblast activation downstream of multiple stimuli and reverses myofibroblast activation. In therapeutic studies, anti–IL-11 treatment diminished lung inflammation and reversed lung fibrosis while inhibiting ERK and SMAD activation in mice. These data prioritize IL-11 as a drug target for lung fibrosis and IPF.
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29
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Aschner Y, Downey GP. The Importance of Tyrosine Phosphorylation Control of Cellular Signaling Pathways in Respiratory Disease: pY and pY Not. Am J Respir Cell Mol Biol 2019; 59:535-547. [PMID: 29812954 DOI: 10.1165/rcmb.2018-0049tr] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Reversible phosphorylation of proteins on tyrosine residues is an essential signaling mechanism by which diverse cellular processes are closely regulated. The tight temporal and spatial control of the tyrosine phosphorylation status of proteins by protein tyrosine kinases (PTKs) and protein tyrosine phosphatases (PTPs) is critical to cellular homeostasis as well as to adaptations to the external environment. Via regulation of cellular signaling cascades involving other protein kinases and phosphatases, receptors, adaptor proteins, and transcription factors, PTKs and PTPs closely control diverse cellular processes such as proliferation, differentiation, migration, inflammation, and maintenance of cellular barrier function. Given these key regulatory roles, it is not surprising that dysfunction of PTKs and PTPs is important in the pathogenesis of human disease, including many pulmonary diseases. The roles of various PTKs and PTPs in acute lung injury and repair, pulmonary fibrosis, pulmonary vascular disease, and inflammatory airway disease are discussed in this review. It is important to note that although there is overlap among many of these proteins in various disease states, the mechanisms by which they influence the pathogenesis of these conditions differ, suggesting wide-ranging roles for these enzymes and their potential as therapeutic targets.
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Affiliation(s)
- Yael Aschner
- 1 Division of Pulmonary Sciences and Critical Care Medicine, Department of Medicine, and
| | - Gregory P Downey
- 1 Division of Pulmonary Sciences and Critical Care Medicine, Department of Medicine, and.,2 Department of Immunology and Microbiology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, Colorado; and.,3 Department of Medicine.,4 Department of Pediatrics, and.,5 Department of Biomedical Research, National Jewish Health, Denver, Colorado
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30
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Kinoshita T, Goto T. Molecular Mechanisms of Pulmonary Fibrogenesis and Its Progression to Lung Cancer: A Review. Int J Mol Sci 2019; 20:ijms20061461. [PMID: 30909462 PMCID: PMC6471841 DOI: 10.3390/ijms20061461] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/19/2019] [Accepted: 03/20/2019] [Indexed: 12/11/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is defined as a specific form of chronic, progressive fibrosing interstitial pneumonia of unknown cause, occurring primarily in older adults, and limited to the lungs. Despite the increasing research interest in the pathogenesis of IPF, unfavorable survival rates remain associated with this condition. Recently, novel therapeutic agents have been shown to control the progression of IPF. However, these drugs do not improve lung function and have not been tested prospectively in patients with IPF and coexisting lung cancer, which is a common comorbidity of IPF. Optimal management of patients with IPF and lung cancer requires understanding of pathogenic mechanisms and molecular pathways that are common to both diseases. This review article reflects the current state of knowledge regarding the pathogenesis of pulmonary fibrosis and summarizes the pathways that are common to IPF and lung cancer by focusing on the molecular mechanisms.
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Affiliation(s)
- Tomonari Kinoshita
- Division of General Thoracic Surgery, Department of Surgery, Keio University School of Medicine, 35 Shinanomachi, Shinjuku, Tokyo 1608582, Japan.
| | - Taichiro Goto
- Lung Cancer and Respiratory Disease Center, Yamanashi Central Hospital, Kofu, Yamanashi 4008506, Japan.
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Zhang X, Fujii T, Ogata H, Yamasaki R, Masaki K, Cui Y, Matsushita T, Isobe N, Kira JI. Cerebrospinal fluid cytokine/chemokine/growth factor profiles in idiopathic hypertrophic pachymeningitis. J Neuroimmunol 2019; 330:38-43. [PMID: 30784775 DOI: 10.1016/j.jneuroim.2019.01.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 01/17/2019] [Accepted: 01/17/2019] [Indexed: 02/06/2023]
Abstract
Hypertrophic pachymeningitis (HP) is a rare neurologic disease causing inflammatory fibrous thickening of the brain and spinal dura mater. We investigated the cerebrospinal fluid cytokine profile of HP by measuring 28 cytokines/chemokines/growth factors with a multiplexed fluorescent immunoassay in 8 patients with HP (6 idiopathic, 1 IgG4-related, 1 anti-neutrophil cytoplasmic antibody-related), and 11 with other non-inflammatory neurologic diseases (OND). Interleukin (IL)-4, IL-5, IL-9, IL-10, TNF-α, and CXCL8/IL-8 levels were significantly higher in idiopathic HP (IHP) than OND. Cluster analyses disclosed two major clusters: one mainly consisted of IHP and the other of OND, suggesting a unique cytokine profile in IHP.
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Affiliation(s)
- Xu Zhang
- Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan; Department of Neurology and Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin, China. shu-@neuro.med.kyushu-u.ac.jp
| | - Takayuki Fujii
- Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
| | - Hidenori Ogata
- Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
| | - Ryo Yamasaki
- Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
| | - Katsuhisa Masaki
- Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yiwen Cui
- Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
| | - Takuya Matsushita
- Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
| | - Noriko Isobe
- Department of Neurological Therapeutics, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
| | - Jun-Ichi Kira
- Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
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Ebrahimpour A, Shrestha S, Bonnen MD, Eissa NT, Raghu G, Ghebre YT. Nicotine Modulates Growth Factors and MicroRNA to Promote Inflammatory and Fibrotic Processes. J Pharmacol Exp Ther 2019; 368:169-178. [PMID: 30446578 PMCID: PMC6323623 DOI: 10.1124/jpet.118.252650] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Accepted: 11/01/2018] [Indexed: 02/06/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a fatal disease that destroys the structure and function of the lungs. Risk factors include advanced age and genetic predisposition. However, tobacco use is the chief modifiable risk factor. The prevalence of tobacco use in IPF reaches up to 80%. Although tobacco smoke contains over 5000 chemicals, nicotine is a major component. Nicotine is a bioactive molecule that acts upon nicotinic acetylcholine receptors expressed on neuronal and non-neuronal cells including endothelial cells. Accordingly, it has a pleiotropic effect on cell proliferation and angiogenesis. The angiogenic effect is partly mediated by stimulation of growth factors including fibroblast, platelet-derived, and vascular endothelial growth factors. Nintedanib, a Food and Drug Administration-approved drug for IPF, works by inhibiting receptors for these growth factors, suggesting a pathobiologic role of the growth factors in IPF and a potential mechanism by which tobacco use may exacerbate the disease process; additionally, nicotine downregulates anti-inflammatory microRNAs (miRs) in lung cells. Here, we profiled the expression of miRs in lung tissues explanted from a lung injury model and examined the effect of nicotine on one of the identified miRs (miR-24) and its downstream targets. Our data show that miR-24 is downregulated during lung injury and is suppressed by nicotine. We also found that nicotine upregulates the expression of inflammatory cytokines targeted by miR-24. Finally, nicotine stimulated growth factors, fibroblast proliferation, collagen release, and expression of myofibroblast markers. Taken together, nicotine, alone or as a component of tobacco smoke, may accelerate the disease process in IPF through stimulation of growth factors and downregulation of anti-inflammatory miRs.
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Affiliation(s)
- Afshin Ebrahimpour
- Departments of Radiation Oncology (A.E., S.S., M.D.B., Y.T.G.) and Medicine, Section on Pulmonary and Critical Care Medicine (N.T.E., Y.T.G.), Baylor College of Medicine, Houston, Texas; and Division of Pulmonary and Critical Care Medicine, Center for Interstitial Lung Disease, University of Washington, Seattle, Washington (G.R.)
| | - Samana Shrestha
- Departments of Radiation Oncology (A.E., S.S., M.D.B., Y.T.G.) and Medicine, Section on Pulmonary and Critical Care Medicine (N.T.E., Y.T.G.), Baylor College of Medicine, Houston, Texas; and Division of Pulmonary and Critical Care Medicine, Center for Interstitial Lung Disease, University of Washington, Seattle, Washington (G.R.)
| | - Mark D Bonnen
- Departments of Radiation Oncology (A.E., S.S., M.D.B., Y.T.G.) and Medicine, Section on Pulmonary and Critical Care Medicine (N.T.E., Y.T.G.), Baylor College of Medicine, Houston, Texas; and Division of Pulmonary and Critical Care Medicine, Center for Interstitial Lung Disease, University of Washington, Seattle, Washington (G.R.)
| | - N Tony Eissa
- Departments of Radiation Oncology (A.E., S.S., M.D.B., Y.T.G.) and Medicine, Section on Pulmonary and Critical Care Medicine (N.T.E., Y.T.G.), Baylor College of Medicine, Houston, Texas; and Division of Pulmonary and Critical Care Medicine, Center for Interstitial Lung Disease, University of Washington, Seattle, Washington (G.R.)
| | - Ganesh Raghu
- Departments of Radiation Oncology (A.E., S.S., M.D.B., Y.T.G.) and Medicine, Section on Pulmonary and Critical Care Medicine (N.T.E., Y.T.G.), Baylor College of Medicine, Houston, Texas; and Division of Pulmonary and Critical Care Medicine, Center for Interstitial Lung Disease, University of Washington, Seattle, Washington (G.R.)
| | - Yohannes T Ghebre
- Departments of Radiation Oncology (A.E., S.S., M.D.B., Y.T.G.) and Medicine, Section on Pulmonary and Critical Care Medicine (N.T.E., Y.T.G.), Baylor College of Medicine, Houston, Texas; and Division of Pulmonary and Critical Care Medicine, Center for Interstitial Lung Disease, University of Washington, Seattle, Washington (G.R.)
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Ueha R, Nativ-Zeltzer N, Sato T, Goto T, Nito T, Belafsky PC, Yamasoba T. Acute inflammatory response to contrast agent aspiration and its mechanisms in the rat lung. Laryngoscope 2018; 129:1533-1538. [PMID: 30467858 PMCID: PMC6618150 DOI: 10.1002/lary.27663] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 10/12/2018] [Indexed: 11/29/2022]
Abstract
Objectives/Hypothesis Contrast agent (CA) aspiration is an established complication of upper gastrointestinal and videofluoroscopic swallow studies. The underlying molecular biological mechanisms of acute response to CA aspiration in the respiratory organs remain unclear. The aims of this study were to elucidate the histological and biological influences of three kinds of CAs on the lung and to clarify the differences in acute responses. Study Design Animal model. Methods Eight‐week‐old male Sprague Dawley rats were divided into five groups (n = 6 in each group). Three groups underwent tracheal instillation of one of three different CAs: barium (Ba) sulfate, nonionic contrast agents (NICAs), and ionic contrast agents (ICAs). A control group was instilled with saline and a sham group was instilled with air. All animals were euthanized on day 2 after treatment and histological and gene analysis was performed. Results No animal died after CA or control/sham aspiration. Ba caused severe histopathologic changes and more prominent inflammatory cell infiltration in the lungs compared with the two other iodinated contrast agents. Increases in expressions of inflammatory cytokines (tumor necrosis factor [Tnf], interleukin‐1β [Il1b], and interferon‐γ [Ifng]) were observed in Ba aspiration rats, and upregulation of Il1b was seen in ICA aspiration rats. NICA did not cause obvious histologic changes or expressions of inflammatory cytokines and fibrosis‐related genes in the lungs. Conclusions Ba caused significantly more acute lung inflammation in a rodent model than did ioinic and nonionic iodinated CAs. Nonionic contrast did not cause any discernible inflammatory response in the lungs, suggesting that it may be the safest contrast for videofluoroscopic swallow studies. Level of Evidence NA Laryngoscope, 129:1533–1538, 2019
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Affiliation(s)
- Rumi Ueha
- Department of Otolaryngology, University of Tokyo, Tokyo, Japan
| | - Nogah Nativ-Zeltzer
- Department of Otolaryngology, University of California Davis, Sacramento, California, U.S.A
| | - Taku Sato
- Department of Otolaryngology, University of Tokyo, Tokyo, Japan
| | - Takao Goto
- Department of Otolaryngology, University of Tokyo, Tokyo, Japan
| | - Takaharu Nito
- Department of Otolaryngology, University of Tokyo, Tokyo, Japan
| | - Peter C Belafsky
- Department of Otolaryngology, University of California Davis, Sacramento, California, U.S.A
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Souma K, Shichino S, Hashimoto S, Ueha S, Tsukui T, Nakajima T, Suzuki HI, Shand FHW, Inagaki Y, Nagase T, Matsushima K. Lung fibroblasts express a miR-19a-19b-20a sub-cluster to suppress TGF-β-associated fibroblast activation in murine pulmonary fibrosis. Sci Rep 2018; 8:16642. [PMID: 30413725 PMCID: PMC6226532 DOI: 10.1038/s41598-018-34839-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 10/25/2018] [Indexed: 02/06/2023] Open
Abstract
Lung fibroblasts play a pivotal role in pulmonary fibrosis, a devastating lung disease, by producing extracellular matrix. MicroRNAs (miRNAs) suppress numerous genes post-transcriptionally; however, the roles of miRNAs in activated fibroblasts in fibrotic lungs remain poorly understood. To elucidate these roles, we performed global miRNA-expression profiling of fibroblasts from bleomycin- and silica-induced fibrotic lungs and investigated the functions of miRNAs in activated lung fibroblasts. Clustering analysis of global miRNA-expression data identified miRNA signatures exhibiting increased expression during fibrosis progression. Among these signatures, we found that a miR-19a-19b-20a sub-cluster suppressed TGF-β-induced activation of fibroblasts in vitro. Moreover, to elucidate whether fibroblast-specific intervention against the sub-cluster modulates pathogenic activation of fibroblasts in fibrotic lungs, we intratracheally transferred the sub-cluster-overexpressing fibroblasts into bleomycin-treated lungs. Global transcriptome analysis of the intratracheally transferred fibroblasts revealed that the sub-cluster not only downregulated expression of TGF-β-associated pro-fibrotic genes, including Acta2, Col1a1, Ctgf, and Serpine1, but also upregulated expression of the anti-fibrotic genes Dcn, Igfbp5, and Mmp3 in activated lung fibroblasts. Collectively, these findings indicated that upregulation of the miR-19a-19b-20a sub-cluster expression in lung fibroblasts counteracted TGF-β-associated pathogenic activation of fibroblasts in murine pulmonary fibrosis.
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Affiliation(s)
- Kunihiko Souma
- Department of Molecular Preventive Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,Department of Respiratory Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Shigeyuki Shichino
- Department of Molecular Preventive Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute of Biomedical Sciences, Tokyo University of Science, Chiba, Japan
| | - Shinichi Hashimoto
- Department of Molecular Preventive Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute of Biomedical Sciences, Tokyo University of Science, Chiba, Japan.,Department of integrative Medicine for Longevity, Graduate School of Medical Sciences, Kanazawa University, Ishikawa, Japan
| | - Satoshi Ueha
- Department of Molecular Preventive Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan. .,Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute of Biomedical Sciences, Tokyo University of Science, Chiba, Japan.
| | - Tatsuya Tsukui
- Department of Molecular Preventive Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Takuya Nakajima
- Department of Molecular Preventive Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute of Biomedical Sciences, Tokyo University of Science, Chiba, Japan
| | - Hiroshi I Suzuki
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Francis H W Shand
- Department of Molecular Preventive Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Yutaka Inagaki
- Center for Matrix Biology and Medicine, Graduate School of Medicine, Tokai University, Kanagawa, Japan
| | - Takahide Nagase
- Department of Respiratory Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Kouji Matsushima
- Department of Molecular Preventive Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,Division of Molecular Regulation of Inflammatory and Immune Diseases, Research Institute of Biomedical Sciences, Tokyo University of Science, Chiba, Japan
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Reinertsen KK, Bronson RT, Stiles CD, Wang C. Temporal and spatial specificity of PDGF alpha receptor promoter in transgenic mice. Gene Expr 2018; 6:301-14. [PMID: 9368101 PMCID: PMC6148283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Aberrant expression of the platelet-derived growth factor alpha receptor (PDGF alpha R) has been linked to developmental abnormalities in vertebrate models, and has been implicated in multiple disease states in humans. To identify cis-acting regulatory elements that dictate expression of this receptor, we generated transgenic mice bearing the reporter gene beta-galactosidase (lacZ) under the control of a 6-kb promoter sequence. Expression of lacZ was monitored throughout embryonic development, with special focus on nervous tissue, skeleton, and several organ systems wherein PDGF alpha R expression is thought to play a pivotal role. In several independent transgenic mouse strains, lacZ expression recapitulated predominant features of PDGF alpha R gene expression during mouse development. These results demonstrate that critical tissue-specific regulatory elements for PDGF alpha R expression are located within a 6-kb upstream region of the PDGF alpha R gene.
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Affiliation(s)
- Kerry K. Reinertsen
- *Department of Microbiology and Molecular Genetics, Harvard Medical School and the Dana-Farber Cancer Institute, Boston, MA 02115
| | - Roderick T. Bronson
- †Department of Pathology, Tufts University Schools of Medicine and Veterinary Medicine, Boston, MA 02111
| | - Charles D. Stiles
- *Department of Microbiology and Molecular Genetics, Harvard Medical School and the Dana-Farber Cancer Institute, Boston, MA 02115
| | - Chiayeng Wang
- ‡Center for Molecular Biology of Oral Diseases, University of Illinois at Chicago, Chicago, IL 60612
- Address correspondence to Chiayeng Wang, Center for Molecular Biology of Oral Diseases, University of Illinois at Chicago, 801 South Paulina Street, 530E, Chicago, IL 60612. Tel: (312) 996-4530; Fax: (312) 413-1604; E-mail:
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Peyvandipour A, Saberian N, Shafi A, Donato M, Draghici S. A novel computational approach for drug repurposing using systems biology. Bioinformatics 2018; 34:2817-2825. [PMID: 29534151 PMCID: PMC6084573 DOI: 10.1093/bioinformatics/bty133] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 02/07/2018] [Accepted: 03/08/2018] [Indexed: 12/21/2022] Open
Abstract
Motivation Identification of novel therapeutic effects for existing US Food and Drug Administration (FDA)-approved drugs, drug repurposing, is an approach aimed to dramatically shorten the drug discovery process, which is costly, slow and risky. Several computational approaches use transcriptional data to find potential repurposing candidates. The main hypothesis of such approaches is that if gene expression signature of a particular drug is opposite to the gene expression signature of a disease, that drug may have a potential therapeutic effect on the disease. However, this may not be optimal since it fails to consider the different roles of genes and their dependencies at the system level. Results We propose a systems biology approach to discover novel therapeutic roles for established drugs that addresses some of the issues in the current approaches. To do so, we use publicly available drug and disease data to build a drug-disease network by considering all interactions between drug targets and disease-related genes in the context of all known signaling pathways. This network is integrated with gene-expression measurements to identify drugs with new desired therapeutic effects based on a system-level analysis method. We compare the proposed approach with the drug repurposing approach proposed by Sirota et al. on four human diseases: idiopathic pulmonary fibrosis, non-small cell lung cancer, prostate cancer and breast cancer. We evaluate the proposed approach based on its ability to re-discover drugs that are already FDA-approved for a given disease. Availability and implementation The R package DrugDiseaseNet is under review for publication in Bioconductor and is available at https://github.com/azampvd/DrugDiseaseNet. Supplementary information Supplementary data are available at Bioinformatics online.
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Affiliation(s)
| | | | - Adib Shafi
- Computer Science, Wayne State University, Detroit, MI, USA
| | - Michele Donato
- Computer Science, Wayne State University, Detroit, MI, USA
| | - Sorin Draghici
- Computer Science, Wayne State University, Detroit, MI, USA
- Department of Obstetrics and Gynecology, Wayne State University, Detroit, MI, USA
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Fibroproliferative genes are preferentially expressed in central centrifugal cicatricial alopecia. J Am Acad Dermatol 2018; 79:904-912.e1. [PMID: 29913259 DOI: 10.1016/j.jaad.2018.05.1257] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 05/28/2018] [Accepted: 05/31/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND Central centrifugal cicatricial alopecia (CCCA) is a primary cicatricial alopecia that most commonly affects women of African descent. Like CCCA, fibroproliferative disorders (FPDs) such as keloids, atherosclerosis, and fibroids are characterized by low-grade inflammation and irritation, resulting in end-stage fibrosis. OBJECTIVE We sought to determine whether fibroproliferative genes were up-regulated in patients with CCCA. METHODS A total of 5 patients with biopsy-proven CCCA were recruited for this study. Two scalp biopsy specimens were obtained from each patient; 1 from CCCA-affected vertex scalp and 1 from the unaffected occipital scalp. Microarray analysis was performed to determine the differential gene expression patterns. RESULTS There was an upregulation of genes implicated in FPDs in patients with CCCA. Specifically, we noted increased expression of platelet derived growth factor gene (PDGF), collagen I gene (COL I), collagen III gene (COL III), matrix metallopeptidase 1 gene (MMP1), matrix metallopeptidase 2 gene (MMP2), matrix metallopeptidase 7 gene (MMP7), and matrix metallopeptidase 9 gene (MMP9) in affected scalp compared with in unaffected scalp. Significant overlap in the canonic pathways was noted between patients with CCCA and patients with both atherosclerosis and hepatic fibrosis (P < .001). LIMITATIONS Small sample size and the use of whole skin tissue for analysis. CONCLUSION We have identified the upregulation of critical genes implicated in FPDs in the gene expression profile of patients with CCCA. These findings may help identify future therapeutic targets for this otherwise difficult-to-treat condition.
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Yu W, Guo F, Song X. Effects and mechanisms of pirfenidone, prednisone and acetylcysteine on pulmonary fibrosis in rat idiopathic pulmonary fibrosis models. PHARMACEUTICAL BIOLOGY 2017; 55:450-455. [PMID: 27937011 PMCID: PMC6130572 DOI: 10.1080/13880209.2016.1247879] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 07/08/2016] [Accepted: 10/06/2016] [Indexed: 06/06/2023]
Abstract
CONTEXT Previous studies have reported that caveolin-1 (Cav-1) is associated with lung fibrosis. However, the role of Cav-1 expression in pirfenidone-treated idiopathic pulmonary fibrosis (IPF) is unknown. OBJECTIVE This study investigated Cav-1 expression in pirfenidone-treated IPF, and compared the effects of pirfenidone with acetylcysteine and prednisone on IPF. MATERIALS AND METHODS Rat IPF model was established by endotracheal injection of 5 mg/kg bleomycin A5 into the specific pathogen-free Wistar male rats. Pirfenidone (P, 100 mg/kg once daily), prednisone (H, 5 mg/kg once daily) and acetylcysteine (N, 4 mg/kg 3 times per day) were used to treat the rat model by intragastric administration for 45 consecutive days, respectively. The normal rats without IPF were used as the controls. After 15, 30 and 45 days of drug treatment, lung histopathology was assessed. The expression of Cav-1 was determined using real-time quantitative PCR and Western blot; the expression of tumour necrosis factor-α (TNF-α), transforming growth factor-β1 (TGF-β1) and platelet-derived growth factor (PDGF) was determined by enzyme-linked immunosorbent assay. RESULTS After 15, 30 and 45 days of drug treatment, comparison of the three drug-treated groups with the model group showed significantly lower (p < 0.05) significance of airsacculitis and fibrosis scores of lung tissues, as well as expression of TGF-β1, TNF-α and PDGF, but the expression of Cav-1 was higher (p < 0.05). Compared with the N group, the fibrosis score was significantly lower and the protein expression of Cav-1 was significantly higher in the P group (p < 0.05). Additionally, the expression of Cav-1 was negatively correlated with the airsacculitis and fibrosis scores (r = -0.506, p < 0.01; r = -0.676, p < 0.01) as well as expression of TGF-β1, TNF-α and PDGF (r = -0.590, p < 0.01; r = -0.530, p < 0.01; r = -0.553, p < 0.01). DISCUSSION AND CONCLUSION Pirfenidone, prednisone and acetylcysteine can inhibit airsacculitis and pulmonary fibrosis in rat IPF models, which may be related with enhanced caveolin-1, reduced TNF-α, TGF-β1, PDGF.
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Affiliation(s)
- Wencheng Yu
- Department of Respiratory Medicine, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Fang Guo
- Department of Pediatrics, Laiwu City People’s Hospital, Laiwu, China
| | - Xiaoxia Song
- Department of Intensive Care Unit, The Affiliated Hospital of Qingdao University, Qingdao, China
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Potential contribution of alveolar epithelial type I cells to pulmonary fibrosis. Biosci Rep 2017; 37:BSR20171301. [PMID: 29026006 PMCID: PMC5696455 DOI: 10.1042/bsr20171301] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 09/28/2017] [Accepted: 09/29/2017] [Indexed: 12/13/2022] Open
Abstract
Pulmonary fibrosis (PF) is characterized by inflammation and fibrosis of the interstitium and destruction of alveolar histoarchitecture ultimately leading to a fatal impairment of lung function. Different concepts describe either a dominant role of inflammatory pathways or a disturbed remodeling of resident cells of the lung parenchyma during fibrogenesis. Further, a combination of both the mechanisms has been postulated. The present review emphasizes the particular involvement of alveolar epithelial type I cells in all these processes, their contribution to innate immune/inflammatory functions and maintenance of proper alveolar barrier functions. Amongst the different inflammatory and repair events the purinergic receptor P2X7, an ATP-gated cationic channel that regulates not only apoptosis, necrosis, autophagy, and NLPR3 inflammosome activation, but also the turnover of diverse tight junction (TJ) and water channel proteins, seems to be essential for the stability of alveolar barrier integrity and for the interaction with protective factors during lung injury.
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Mora AL, Rojas M, Pardo A, Selman M. Emerging therapies for idiopathic pulmonary fibrosis, a progressive age-related disease. Nat Rev Drug Discov 2017; 16:810. [PMID: 29081515 DOI: 10.1038/nrd.2017.225] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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41
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Kanaan R, Strange C. Use of multitarget tyrosine kinase inhibitors to attenuate platelet-derived growth factor signalling in lung disease. Eur Respir Rev 2017; 26:26/146/170061. [PMID: 29070579 PMCID: PMC9488848 DOI: 10.1183/16000617.0061-2017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Accepted: 08/05/2017] [Indexed: 02/07/2023] Open
Abstract
Platelet-derived growth factors (PDGFs) and their receptors (PDGFRs) play a fundamental role in the embryonic development of the lung. Aberrant PDGF signalling has been documented convincingly in a large variety of pulmonary diseases, including idiopathic pulmonary arterial hypertension, lung cancer and lung fibrosis. Targeting PDGF signalling has been proven to be effective in these diseases. In clinical practice, the most effective way to block PDGF signalling is to inhibit the activity of the intracellular PDGFR kinases. Although the mechanism of action of such drugs is not specific for PDGF signalling, the medications have a broad therapeutic index that allows clinical use. The safety profile and therapeutic opportunities of these and future medications that target PDGFs and PDGFRs are reviewed. An increasing role for PDGF signalling inhibitors in clinical trials for the treatment of various pulmonary diseaseshttp://ow.ly/buaI30f9HcN
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Affiliation(s)
- Rana Kanaan
- Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, Dept of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Charlie Strange
- Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, Dept of Medicine, Medical University of South Carolina, Charleston, SC, USA
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Mora AL, Rojas M, Pardo A, Selman M. Emerging therapies for idiopathic pulmonary fibrosis, a progressive age-related disease. Nat Rev Drug Discov 2017; 16:755-772. [DOI: 10.1038/nrd.2017.170] [Citation(s) in RCA: 164] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Ahn HJ, Khalmuratova R, Park SA, Chung EJ, Shin HW, Kwon SK. Serial Analysis of Tracheal Restenosis After 3D-Printed Scaffold Implantation: Recruited Inflammatory Cells and Associated Tissue Changes. Tissue Eng Regen Med 2017; 14:631-639. [PMID: 30603516 DOI: 10.1007/s13770-017-0057-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 04/04/2017] [Accepted: 04/17/2017] [Indexed: 02/07/2023] Open
Abstract
Tracheal restenosis is a major obstacle to successful tracheal replacement, and remains the greatest challenge in tracheal regeneration. However, there have been no detailed investigations of restenosis. The present study was performed to analyze the serial changes in recruited inflammatory cells and associated histological changes after tracheal scaffold implantation. Asymmetrically porous scaffolds, which successfully prevented tracheal stenosis in a partial trachea defect model, designed with a tubular shape by electrospinning and reinforced by 3D-printing to reconstruct 2-cm circumferential tracheal defect. Serial rigid bronchoscopy, micro-computed tomography, and histology [H&E, Masson's Trichrome, IHC against α-smooth muscle actin (α-SMA)] were performed 1, 4, and 8 weeks after transplantation. Progressive stenosis developed especially at the site of anastomosis. Neutrophils were the main inflammatory cells recruited in the early stage, while macrophage infiltration increased with time. Recruitment of fibroblasts peaked at 4 weeks and deposition of α-SMA increased from 4 weeks and was maintained through 8 weeks. During the first 8 weeks post-transplantation, neutrophils and macrophages played significant roles in restenosis of the trachea. Antagonists to these would be ideal targets to reduce restenosis and thus play a pivotal role in successful tracheal regeneration.
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Affiliation(s)
- Hee-Jin Ahn
- 1Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080 Korea
| | - Roza Khalmuratova
- 2Obstructive Upper Airway Research (OUaR) Laboratory, Department of Pharmacology, Seoul National University College of Medicine, 103 Daehak-ro, Seoul, 03080 Korea
| | - Su A Park
- 3Department of Nature-Inspired Nanoconvergence Systems, Korea Institute of Machinery and Materials, Gajeongbuk-ro 156, Daejeon, 34103 Korea
| | - Eun-Jae Chung
- 1Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080 Korea
| | - Hyun-Woo Shin
- 1Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080 Korea.,2Obstructive Upper Airway Research (OUaR) Laboratory, Department of Pharmacology, Seoul National University College of Medicine, 103 Daehak-ro, Seoul, 03080 Korea.,4Department of Biomedical Sciences, Seoul National University Graduate School, 103 Daehak-ro, Jongno-gu, Seoul, 03080 Korea.,5Cancer Research Institute and Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, 103 Daehak-ro, Jongno-gu, Seoul, 03080 Korea
| | - Seong Keun Kwon
- 1Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080 Korea
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Kulkarni T, O'Reilly P, Antony VB, Gaggar A, Thannickal VJ. Matrix Remodeling in Pulmonary Fibrosis and Emphysema. Am J Respir Cell Mol Biol 2017; 54:751-60. [PMID: 26741177 DOI: 10.1165/rcmb.2015-0166ps] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Pulmonary fibrosis and emphysema are chronic lung diseases characterized by a progressive decline in lung function, resulting in significant morbidity and mortality. A hallmark of these diseases is recurrent or persistent alveolar epithelial injury, typically caused by common environmental exposures such as cigarette smoke. We propose that critical determinants of the outcome of the injury-repair processes that result in fibrosis versus emphysema are mesenchymal cell fate and associated extracellular matrix dynamics. In this review, we explore the concept that regulation of mesenchymal cells under the influence of soluble factors, in particular transforming growth factor-β1, and the extracellular matrix determine the divergent tissue remodeling responses seen in pulmonary fibrosis and emphysema.
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Affiliation(s)
- Tejaswini Kulkarni
- 1 Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, Alabama.,2 Program in Protease and Matrix Biology Center, Birmingham, Alabama; and
| | - Philip O'Reilly
- 1 Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, Alabama.,2 Program in Protease and Matrix Biology Center, Birmingham, Alabama; and
| | - Veena B Antony
- 1 Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, Alabama.,2 Program in Protease and Matrix Biology Center, Birmingham, Alabama; and
| | - Amit Gaggar
- 1 Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, Alabama.,2 Program in Protease and Matrix Biology Center, Birmingham, Alabama; and.,3 Birmingham VA Medical Center, Birmingham, Alabama
| | - Victor J Thannickal
- 1 Department of Medicine, Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, Alabama.,2 Program in Protease and Matrix Biology Center, Birmingham, Alabama; and.,3 Birmingham VA Medical Center, Birmingham, Alabama
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Ghigna MR, Mooi WJ, Grünberg K. Pulmonary hypertensive vasculopathy in parenchymal lung diseases and/or hypoxia: Number 1 in the Series "Pathology for the clinician" Edited by Peter Dorfmüller and Alberto Cavazza. Eur Respir Rev 2017; 26:26/144/170003. [PMID: 28659502 DOI: 10.1183/16000617.0003-2017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Accepted: 03/01/2017] [Indexed: 01/01/2023] Open
Abstract
Pulmonary hypertension (PH) with complicating chronic lung diseases and/or hypoxia falls into group 3 of the updated classification of PH. Patients with chronic obstructive lung disease (COPD), diffuse lung disease (such as idiopathic pulmonary fibrosis (IPF)) and with sleep disordered breathing are particularly exposed to the risk of developing PH. Although PH in such a context is usually mild, a minority of patients exhibit severe haemodynamic impairment, defined by a mean pulmonary arterial pressure (mPAP) of ≥35 mmHg or mPAP values ranging between 25 mmHg and 35 mmHg with a low cardiac index (<2 L·min-1·m-2). The overlap between lung parenchymal disease and PH heavily affects life expectancy in such a patient population and complicates their therapeutic management. In this review we illustrate the pathological features and the underlying pathophysiological mechanisms of pulmonary circulation in chronic lung diseases, with an emphasis on COPD, IPF and obstructive sleep apnoea syndrome.
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Affiliation(s)
- Maria Rosa Ghigna
- Service d'Anatomie et de Cytologie Pathologiques, Hôpital Marie Lannelongue, Le Plessis Robinson, France
| | - Wolter J Mooi
- Dept of Pathology, VU University Medical Center, Amsterdam, The Netherlands
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Huang X, Wang W, Yuan H, Sun J, Li L, Wu X, Luo J, Gu Y. Sunitinib, a Small-Molecule Kinase Inhibitor, Attenuates Bleomycin-Induced Pulmonary Fibrosis in Mice. TOHOKU J EXP MED 2017; 239:251-61. [PMID: 27439438 DOI: 10.1620/tjem.239.251] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic and ultimately fatal disease, characterized by excessive accumulation of fibroblasts, extensive deposition of extracellular matrix, and destruction of alveolar architecture. IPF is associated with an epithelial-dependent fibroblast-activated process, termed the epithelial-to-mesenchymal transition (EMT). However, there is still a lack of strategies to target EMT for the treatment of IPF. Sunitinib, a small-molecule multi-targeted tyrosine kinase inhibitor, targets multiple kinases that may play an important role in developing pulmonary fibrosis. Here, we explored the therapeutic potential of sunitinib using a mouse model of pulmonary fibrosis. Mice received intratracheal instillation of bleomycin (BLM). Then, the mice were intragastrically administrated with sunitinib or normal saline until the end of the experiment. Distinguished destruction of pulmonary architecture, conspicuous proliferation of fibroblasts and extensive deposition of collagen fibers were found in BLM mice. Sunitinib attenuated the pulmonary fibrosis and inhibited the accumulation of fibroblasts in the lung of BLM mice. To investigate if the inhibition of fibroblast accumulation in the lung by sunitinib was associated with EMT, we used human bronchial epithelial cells (HBEs) and W138 human lung fibroblasts. Sunitinib suppressed the degree of EMT induced by TGF-β, a profibrotic factor, in HBEs and the proliferation of WI38 fibroblasts. Moreover, sunitinib reduced the degree of phosphorylation of serine residues on Smad2/3 that was induced by TGF-β in HBEs. As EMT and accumulation of fibroblasts are critical for the development of pulmonary fibrosis, targeting multiple pro-fibrosis signaling pathways with sunitinib may be a novel strategy to treat pulmonary fibrosis.
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Affiliation(s)
- Xiang Huang
- Department of Medical Oncology, The First Affiliated Hospital of Nanjing Medical University
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Saito T, Yokota K, Kobayakawa K, Hara M, Kubota K, Harimaya K, Kawaguchi K, Hayashida M, Matsumoto Y, Doi T, Shiba K, Nakashima Y, Okada S. Experimental Mouse Model of Lumbar Ligamentum Flavum Hypertrophy. PLoS One 2017; 12:e0169717. [PMID: 28060908 PMCID: PMC5217959 DOI: 10.1371/journal.pone.0169717] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Accepted: 12/20/2016] [Indexed: 01/13/2023] Open
Abstract
Lumbar spinal canal stenosis (LSCS) is one of the most common spinal disorders in elderly people, with the number of LSCS patients increasing due to the aging of the population. The ligamentum flavum (LF) is a spinal ligament located in the interior of the vertebral canal, and hypertrophy of the LF, which causes the direct compression of the nerve roots and/or cauda equine, is a major cause of LSCS. Although there have been previous studies on LF hypertrophy, its pathomechanism remains unclear. The purpose of this study is to establish a relevant mouse model of LF hypertrophy and to examine disease-related factors. First, we focused on mechanical stress and developed a loading device for applying consecutive mechanical flexion-extension stress to the mouse LF. After 12 weeks of mechanical stress loading, we found that the LF thickness in the stress group was significantly increased in comparison to the control group. In addition, there were significant increases in the area of collagen fibers, the number of LF cells, and the gene expression of several fibrosis-related factors. However, in this mecnanical stress model, there was no macrophage infiltration, angiogenesis, or increase in the expression of transforming growth factor-β1 (TGF-β1), which are characteristic features of LF hypertrophy in LSCS patients. We therefore examined the influence of infiltrating macrophages on LF hypertrophy. After inducing macrophage infiltration by micro-injury to the mouse LF, we found excessive collagen synthesis in the injured site with the increased TGF-β1 expression at 2 weeks after injury, and further confirmed LF hypertrophy at 6 weeks after injury. Our findings demonstrate that mechanical stress is a causative factor for LF hypertrophy and strongly suggest the importance of macrophage infiltration in the progression of LF hypertrophy via the stimulation of collagen production.
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Affiliation(s)
- Takeyuki Saito
- Department of Advanced Medical Initiatives, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kazuya Yokota
- Department of Orthopaedic Surgery, Spinal Injuries Center, Fukuoka, Japan
| | - Kazu Kobayakawa
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masamitsu Hara
- Department of Advanced Medical Initiatives, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kensuke Kubota
- Department of Orthopaedic Surgery, Spinal Injuries Center, Fukuoka, Japan
| | - Katsumi Harimaya
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kenichi Kawaguchi
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Mitsumasa Hayashida
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshihiro Matsumoto
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Toshio Doi
- Department of Orthopaedic Surgery, Kyushu University Beppu Hospital, Oita, Japan
| | - Keiichiro Shiba
- Department of Orthopaedic Surgery, Spinal Injuries Center, Fukuoka, Japan
| | - Yasuharu Nakashima
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Seiji Okada
- Department of Advanced Medical Initiatives, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
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48
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Abstract
The number of blood-borne chemotherapeutic agents implicated in drug-induced lung toxicity continues to increase, although problems in detection remain. The initiation of drug-induced lung injury can have an immunologic or nonimmunologic basis. If endothelial cells are injured, interstitial pulmonary edema may result. Regardless of the source of injury, the progression of drug-induced lung toxicity is often quite similar, involving (1) parenchymal damage, (2) recruitment of inflammatory cells, and (3) progression of the inflammatory process. If the inflammatory reponse is sufficiently severe and disperse, increased collagen can be deposited in interstitial and intra-alveolar areas. The resulting attenuation of gas exchange can induce dyspnea and possibly death. Recent research suggests mediation of the fibrogenic process via cytokines such as transforming growth factor-β and tumor necrosis factor. Preliminary results demonstrating amelioration of cytokine mediated lung-induced fibrosis in animal models with appropriate antibodies suggest a possible future modality of therapy. Certain amphiphilic drugs are capable of eliciting a more specific form of lung toxicity. This class of drugs can interfere with phospholipid metabolism in pulmonary macrophages. In these cases, phospholipidosis results from phospholipid accumulation. The physiologic sequelae in human phospholipidosis is still uncertain.
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Affiliation(s)
- Mannfred A. Hollinger
- Chairman Dept. of Medical Pharmacology & Toxicology School of Medicine University of California Davis, CA 95616
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49
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Kolahian S, Fernandez IE, Eickelberg O, Hartl D. Immune Mechanisms in Pulmonary Fibrosis. Am J Respir Cell Mol Biol 2016; 55:309-22. [DOI: 10.1165/rcmb.2016-0121tr] [Citation(s) in RCA: 176] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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50
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de Raaf MA, Herrmann FE, Schalij I, de Man FS, Vonk-Noordegraaf A, Guignabert C, Wollin L, Bogaard HJ. Tyrosine kinase inhibitor BIBF1000 does not hamper right ventricular pressure adaptation in rats. Am J Physiol Heart Circ Physiol 2016; 311:H604-12. [DOI: 10.1152/ajpheart.00656.2015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 06/20/2016] [Indexed: 01/05/2023]
Abstract
BIBF1000 is a small molecule tyrosine kinase inhibitor targeting vascular endothelial growth factor receptor (VEGFR), fibroblast growth factor receptor (FGFR), and platelet-derived growth factor receptor (PDGFR) and is a powerful inhibitor of fibrogenesis. BIBF1000 is very similar to BIBF1120 (nintedanib), a drug recently approved for the treatment of idiopathic pulmonary fibrosis (IPF). A safety concern pertaining to VEGFR, FGFR, and PDGFR inhibition is the possible interference with right ventricular (RV) responses to an increased afterload, which could adversely affect clinical outcome in patients with IPF who developed pulmonary hypertension. We tested the effect of BIBF1000 on the adaptation of the RV in rats subjected to mechanical pressure overload. BIBF1000 was administered for 35 days in pulmonary artery-banded (PAB) rats. RV adaptation was assessed by echocardiography, pressure volume loop analysis, histology, and determination of atrial natriuretic peptide (ANP) expression. BIBF1000 treatment resulted in growth attenuation but had no effects on RV function after PAB, given absence of changes in cardiac index, end-systolic elastance, connective tissue disposition, and capillary density. We conclude that, in this experimental model of increased afterload, combined VEGFR, FGFR, and PDGFR inhibition does not hamper RV adaptation to pressure overload.
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Affiliation(s)
- Michiel Alexander de Raaf
- Department of Pulmonology, VU University Medical Center, Institute for Cardiovascular Research, Amsterdam, The Netherlands
- INSERM UMR-S 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France
- Université Paris-Sud and Université Paris-Saclay, School of Medicine, Kremlin-Bicêtre, France
- Department of Physiology, VU University Medical Center, Institute for Cardiovascular Research, Amsterdam, The Netherlands
| | | | - Ingrid Schalij
- Department of Pulmonology, VU University Medical Center, Institute for Cardiovascular Research, Amsterdam, The Netherlands
| | - Frances S. de Man
- Department of Pulmonology, VU University Medical Center, Institute for Cardiovascular Research, Amsterdam, The Netherlands
- Department of Physiology, VU University Medical Center, Institute for Cardiovascular Research, Amsterdam, The Netherlands
| | - Anton Vonk-Noordegraaf
- Department of Pulmonology, VU University Medical Center, Institute for Cardiovascular Research, Amsterdam, The Netherlands
| | - Christophe Guignabert
- INSERM UMR-S 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France
- Université Paris-Sud and Université Paris-Saclay, School of Medicine, Kremlin-Bicêtre, France
| | - Lutz Wollin
- Boehringer Ingelheim Pharma, Dept. Respiratory Diseases Research, Biberach, Germany
| | - Harm Jan Bogaard
- Department of Pulmonology, VU University Medical Center, Institute for Cardiovascular Research, Amsterdam, The Netherlands
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