1
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Song L, Li K, Chen H, Xie L. Cell Cross-Talk in Alveolar Microenvironment: From Lung Injury to Fibrosis. Am J Respir Cell Mol Biol 2024; 71:30-42. [PMID: 38579159 PMCID: PMC11225874 DOI: 10.1165/rcmb.2023-0426tr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 04/05/2024] [Indexed: 04/07/2024] Open
Abstract
Alveoli are complex microenvironments composed of various cell types, including epithelial, fibroblast, endothelial, and immune cells, which work together to maintain a delicate balance in the lung environment, ensuring proper growth, development, and an effective response to lung injuries. However, prolonged inflammation or aging can disrupt normal interactions among these cells, leading to impaired repair processes and a substantial decline in lung function. Therefore, it is essential to understand the key mechanisms underlying the interactions among the major cell types within the alveolar microenvironment. We explored the key mechanisms underlying the interactions among the major cell types within the alveolar microenvironment. These interactions occur through the secretion of signaling factors and play crucial roles in the response to injury, repair mechanisms, and the development of fibrosis in the lungs. Specifically, we focused on the regulation of alveolar type 2 cells by fibroblasts, endothelial cells, and macrophages. In addition, we explored the diverse phenotypes of fibroblasts at different stages of life and in response to lung injury, highlighting their impact on matrix production and immune functions. Furthermore, we summarize the various phenotypes of macrophages in lung injury and fibrosis as well as their intricate interplay with other cell types. This interplay can either contribute to the restoration of immune homeostasis in the alveoli or impede the repair process. Through a comprehensive exploration of these cell interactions, we aim to reveal new insights into the molecular mechanisms that drive lung injury toward fibrosis and identify potential targets for therapeutic intervention.
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Affiliation(s)
- Licheng Song
- College of Pulmonary and Critical Care Medicine, 8th Medical Center of Chinese PLA General Hospital, Beijing, China; and
| | - Kuan Li
- Tianjin Key Laboratory of Lung Regenerative Medicine, Haihe Hospital, Tianjin University, Tianjin, China
| | - Huaiyong Chen
- Tianjin Key Laboratory of Lung Regenerative Medicine, Haihe Hospital, Tianjin University, Tianjin, China
| | - Lixin Xie
- College of Pulmonary and Critical Care Medicine, 8th Medical Center of Chinese PLA General Hospital, Beijing, China; and
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2
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Seenak P, Nernpermpisooth N, Kumphune S, Songjang W, Jiraviriyakul A, Jumroon N, Pankhong P, Roytrakul S, Thaisakun S, Phaonakrop N, Nuengchamnong N. Secretome profiling of human epithelial cells exposed to cigarette smoke extract and their effect on human lung microvascular endothelial cells. Sci Rep 2024; 14:13740. [PMID: 38877184 PMCID: PMC11178828 DOI: 10.1038/s41598-024-64717-x] [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: 11/22/2023] [Accepted: 06/12/2024] [Indexed: 06/16/2024] Open
Abstract
Cigarette smoke (CS) is one of the leading causes of pulmonary diseases and can induce lung secretome alteration. CS exposure-induced damages to human pulmonary epithelial cells and microvascular endothelial cells have been extensively demonstrated; however, the effects of the secretome of lung epithelial cells exposed to CS extracts (CSE) on lung microvascular endothelial cells are not fully understood. In this study, we aimed to determine the effects of the secretome of lung epithelial cells exposed to CSE on lung microvascular endothelial cells. Human lung epithelial cells, A549, were exposed to CSE, and the secretome was collected. Human lung microvascular endothelial cells, HULEC-5a, were used to evaluate the effect of the secretome of A549 exposed to CSE. Secretome profile, endothelial cell death, inflammation, and permeability markers were determined. CSE altered the secretome expression of A549 cells, and secretome derived from CSE-exposed A549 cells caused respiratory endothelial cell death, inflammation, and moderately enhanced endothelial permeability. This study demonstrates the potential role of cellular interaction between endothelial and epithelial cells during exposure to CSE and provides novel therapeutic targets or beneficial biomarkers using secretome analysis for CSE-related respiratory diseases.
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Affiliation(s)
- Porrnthanate Seenak
- Integrative Biomedical Research Unit (IBRU), Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand.
- Department of Cardio-Thoracic Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand.
| | - Nitirut Nernpermpisooth
- Integrative Biomedical Research Unit (IBRU), Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand
- Department of Cardio-Thoracic Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand
| | - Sarawut Kumphune
- Integrative Biomedical Research Unit (IBRU), Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand
- Biomedical Engineering and Innovation Research Centre, Chiang Mai University, Mueang, Chiang Mai, 50200, Thailand
- Biomedical Engineering Institute, Chiang Mai University, Mueang, Chiang Mai, 50200, Thailand
| | - Worawat Songjang
- Integrative Biomedical Research Unit (IBRU), Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand
- Department of Medical Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand
| | - Arunya Jiraviriyakul
- Integrative Biomedical Research Unit (IBRU), Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand
- Department of Medical Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand
| | - Noppadon Jumroon
- Integrative Biomedical Research Unit (IBRU), Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand
- Department of Medical Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand
| | - Panyupa Pankhong
- Integrative Biomedical Research Unit (IBRU), Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand
- Department of Medical Technology, Faculty of Allied Health Sciences, Naresuan University, Phitsanulok, 65000, Thailand
| | - Sittiruk Roytrakul
- National Centre for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani, 12120, Thailand
| | - Siriwan Thaisakun
- National Centre for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani, 12120, Thailand
| | - Narumon Phaonakrop
- National Centre for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency, Pathum Thani, 12120, Thailand
| | - Nitra Nuengchamnong
- Science Laboratory Center, Faculty of Science, Naresuan University, Phitsanulok, 65000, Thailand
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3
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Li LF, Yu CC, Huang CY, Wu HP, Chu CM, Liu PC, Liu YY. Suppression of Ventilation-Induced Diaphragm Fibrosis through the Phosphoinositide 3-Kinase-γ in a Murine Bleomycin-Induced Acute Lung Injury Model. Int J Mol Sci 2024; 25:6370. [PMID: 38928077 PMCID: PMC11203512 DOI: 10.3390/ijms25126370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 06/06/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
Mechanical ventilation (MV), used in patients with acute lung injury (ALI), induces diaphragmatic myofiber atrophy and contractile inactivity, termed ventilator-induced diaphragm dysfunction. Phosphoinositide 3-kinase-γ (PI3K-γ) is crucial in modulating fibrogenesis during the reparative phase of ALI; however, the mechanisms regulating the interactions among MV, myofiber fibrosis, and PI3K-γ remain unclear. We hypothesized that MV with or without bleomycin treatment would increase diaphragm muscle fibrosis through the PI3K-γ pathway. Five days after receiving a single bolus of 0.075 units of bleomycin intratracheally, C57BL/6 mice were exposed to 6 or 10 mL/kg of MV for 8 h after receiving 5 mg/kg of AS605240 intraperitoneally. In wild-type mice, bleomycin exposure followed by MV 10 mL/kg prompted significant increases in disruptions of diaphragmatic myofibrillar organization, transforming growth factor-β1, oxidative loads, Masson's trichrome staining, extracellular collagen levels, positive staining of α-smooth muscle actin, PI3K-γ expression, and myonuclear apoptosis (p < 0.05). Decreased diaphragm contractility and peroxisome proliferator-activated receptor-γ coactivator-1α levels were also observed (p < 0.05). MV-augmented bleomycin-induced diaphragm fibrosis and myonuclear apoptosis were attenuated in PI3K-γ-deficient mice and through AS605240-induced inhibition of PI3K-γ activity (p < 0.05). MV-augmented diaphragm fibrosis after bleomycin-induced ALI is partially mediated by PI3K-γ. Therapy targeting PI3K-γ may ameliorate MV-associated diaphragm fibrosis.
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Affiliation(s)
- Li-Fu Li
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chang Gung Memorial Hospital, Keelung 20401, Taiwan; (L.-F.L.); (C.-C.Y.); (C.-Y.H.); (H.-P.W.); (C.-M.C.); (P.-C.L.)
- Department of Internal Medicine, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Respiratory Therapy, Chang Gung Memorial Hospital, Keelung 20401, Taiwan
- Community Medicine Research Center, Chang Gung Memorial Hospital, Keelung 20401, Taiwan
| | - Chung-Chieh Yu
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chang Gung Memorial Hospital, Keelung 20401, Taiwan; (L.-F.L.); (C.-C.Y.); (C.-Y.H.); (H.-P.W.); (C.-M.C.); (P.-C.L.)
- Department of Internal Medicine, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Respiratory Therapy, Chang Gung Memorial Hospital, Keelung 20401, Taiwan
- Community Medicine Research Center, Chang Gung Memorial Hospital, Keelung 20401, Taiwan
| | - Chih-Yu Huang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chang Gung Memorial Hospital, Keelung 20401, Taiwan; (L.-F.L.); (C.-C.Y.); (C.-Y.H.); (H.-P.W.); (C.-M.C.); (P.-C.L.)
- Department of Internal Medicine, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Respiratory Therapy, Chang Gung Memorial Hospital, Keelung 20401, Taiwan
- Community Medicine Research Center, Chang Gung Memorial Hospital, Keelung 20401, Taiwan
| | - Huang-Pin Wu
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chang Gung Memorial Hospital, Keelung 20401, Taiwan; (L.-F.L.); (C.-C.Y.); (C.-Y.H.); (H.-P.W.); (C.-M.C.); (P.-C.L.)
- Department of Internal Medicine, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Respiratory Therapy, Chang Gung Memorial Hospital, Keelung 20401, Taiwan
| | - Chien-Ming Chu
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chang Gung Memorial Hospital, Keelung 20401, Taiwan; (L.-F.L.); (C.-C.Y.); (C.-Y.H.); (H.-P.W.); (C.-M.C.); (P.-C.L.)
- Department of Internal Medicine, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Respiratory Therapy, Chang Gung Memorial Hospital, Keelung 20401, Taiwan
| | - Ping-Chi Liu
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Chang Gung Memorial Hospital, Keelung 20401, Taiwan; (L.-F.L.); (C.-C.Y.); (C.-Y.H.); (H.-P.W.); (C.-M.C.); (P.-C.L.)
- Department of Internal Medicine, Chang Gung University, Taoyuan 33302, Taiwan
- Community Medicine Research Center, Chang Gung Memorial Hospital, Keelung 20401, Taiwan
| | - Yung-Yang Liu
- Chest Department, Taipei Veterans General Hospital, Taipei 112201, Taiwan
- School of Medicine, Faculty of Medicine, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
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4
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Lan YW, Chen YC, Yen CC, Chen HL, Tung MC, Fan HC, Chen CM. Kefir peptides mitigate bleomycin-induced pulmonary fibrosis in mice through modulating oxidative stress, inflammation and gut microbiota. Biomed Pharmacother 2024; 174:116431. [PMID: 38522238 DOI: 10.1016/j.biopha.2024.116431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 03/05/2024] [Accepted: 03/15/2024] [Indexed: 03/26/2024] Open
Abstract
BACKGROUND Idiopathic pulmonary fibrosis (IPF) is a progressive and life-threatening lung disease with high mortality rates. The limited availability of effective drugs for IPF treatment, coupled with concerns regarding adverse effects and restricted responsiveness, underscores the need for alternative approaches. Kefir peptides (KPs) have demonstrated antioxidative, anti-inflammatory, and antifibrotic properties, along with the capability to modulate gut microbiota. This study aims to investigate the impact of KPs on bleomycin-induced pulmonary fibrosis. METHODS Mice were treated with KPs for four days, followed by intratracheal injection of bleomycin for 21 days. Comprehensive assessments included pulmonary functional tests, micro-computed tomography (µ-CT), in vivo image analysis using MMPsense750, evaluation of inflammation- and fibrosis-related gene expression in lung tissue, and histopathological examinations. Furthermore, a detailed investigation of the gut microbiota community was performed using full-length 16 S rRNA sequencing in control mice, bleomycin-induced fibrotic mice, and KPs-pretreated fibrotic mice. RESULTS In KPs-pretreated bleomycin-induced lung fibrotic mice, notable outcomes included the absence of significant bodyweight loss, enhanced pulmonary functions, restored lung tissue architecture, and diminished thickening of inter-alveolar septa, as elucidated by morphological and histopathological analyses. Concurrently, a reduction in the expression levels of oxidative biomarkers, inflammatory factors, and fibrotic indicators was observed. Moreover, 16 S rRNA sequencing demonstrated that KPs pretreatment induced alterations in the relative abundances of gut microbiota, notably affecting Barnesiella_intestinihominis, Kineothrix_alysoides, and Clostridium_viride. CONCLUSIONS Kefir peptides exerted preventive effects, protecting mice against bleomycin-induced lung oxidative stress, inflammation, and fibrosis. These effects are likely linked to modifications in the gut microbiota community. The findings highlight the therapeutic potential of KPs in mitigating pulmonary fibrosis and advocate for additional exploration in clinical settings.
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Affiliation(s)
- Ying-Wei Lan
- Department of Life Sciences, College of Life Sciences, National Chung Hsing University, Taichung 402, Taiwan; Phoenix Children's Health Research Institute, Department of Child Health, University of Arizona College of Medicine, Phoenix 85004, USA.
| | - Ying-Cheng Chen
- Department of Life Sciences, College of Life Sciences, National Chung Hsing University, Taichung 402, Taiwan; Department of Basic Medical Sciences, Veterinary Medicines, Purdue University, West Lafayette, Indiana 47906, USA.
| | - Chih-Ching Yen
- Department of Life Sciences, College of Life Sciences, National Chung Hsing University, Taichung 402, Taiwan; Department of Internal Medicine, China Medical University Hospital, Taichung 404, Taiwan.
| | - Hsiao-Ling Chen
- Department of Biomedical Science, Da-Yeh University, Changhua 515, Taiwan; Phermpep Co., Ltd., China Chemical & Pharmaceutical Group (CCPG), Taichung 42881, Taiwan
| | - Min-Che Tung
- Department of Surgery, and Tungs' Taichung Metro Harbor Hospital, Taichung 435, Taiwan
| | - Hueng-Chuen Fan
- Department of Surgery, and Tungs' Taichung Metro Harbor Hospital, Taichung 435, Taiwan
| | - Chuan-Mu Chen
- Department of Life Sciences, College of Life Sciences, National Chung Hsing University, Taichung 402, Taiwan; The iEGG and Animal Biotechnology Research Center, National Chung Hsing University, Taichung 402, Taiwan.
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5
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Zhang Y, Zou W, Dou W, Luo H, Ouyang X. Pleiotropic physiological functions of Piezo1 in human body and its effect on malignant behavior of tumors. Front Physiol 2024; 15:1377329. [PMID: 38690080 PMCID: PMC11058998 DOI: 10.3389/fphys.2024.1377329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Accepted: 04/02/2024] [Indexed: 05/02/2024] Open
Abstract
Mechanosensitive ion channel protein 1 (Piezo1) is a large homotrimeric membrane protein. Piezo1 has various effects and plays an important and irreplaceable role in the maintenance of human life activities and homeostasis of the internal environment. In addition, recent studies have shown that Piezo1 plays a vital role in tumorigenesis, progression, malignancy and clinical prognosis. Piezo1 is involved in regulating the malignant behaviors of a variety of tumors, including cellular metabolic reprogramming, unlimited proliferation, inhibition of apoptosis, maintenance of stemness, angiogenesis, invasion and metastasis. Moreover, Piezo1 regulates tumor progression by affecting the recruitment, activation, and differentiation of multiple immune cells. Therefore, Piezo1 has excellent potential as an anti-tumor target. The article reviews the diverse physiological functions of Piezo1 in the human body and its major cellular pathways during disease development, and describes in detail the specific mechanisms by which Piezo1 affects the malignant behavior of tumors and its recent progress as a new target for tumor therapy, providing new perspectives for exploring more potential effects on physiological functions and its application in tumor therapy.
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Affiliation(s)
- Yihan Zhang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, China
- The Second Clinical Medicine School, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Wen Zou
- The Second Clinical Medicine School, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Wenlei Dou
- The Second Clinical Medicine School, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Hongliang Luo
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Xi Ouyang
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital of Nanchang University, Jiangxi Medical College, Nanchang University, Nanchang, China
- The Second Clinical Medicine School, Jiangxi Medical College, Nanchang University, Nanchang, China
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6
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Tanabe I, Ishimori K, Ishikawa S. Development of an in vitro human alveolar epithelial air-liquid interface model using a small molecule inhibitor cocktail. BMC Mol Cell Biol 2024; 25:9. [PMID: 38500038 PMCID: PMC10946194 DOI: 10.1186/s12860-024-00507-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 03/11/2024] [Indexed: 03/20/2024] Open
Abstract
BACKGROUND The alveolar epithelium is exposed to numerous stimuli, such as chemicals, viruses, and bacteria that cause a variety of pulmonary diseases through inhalation. Alveolar epithelial cells (AECs) cultured in vitro are a valuable tool for studying the impacts of these stimuli and developing therapies for associated diseases. However, maintaining the proliferative capacity of AECs in vitro is challenging. In this study, we used a cocktail of three small molecule inhibitors to cultivate AECs: Y-27632, A-83-01, and CHIR99021 (YAC). These inhibitors reportedly maintain the proliferative capacity of several types of stem/progenitor cells. RESULTS Primary human AECs cultured in medium containing YAC proliferated for more than 50 days (over nine passages) under submerged conditions. YAC-treated AECs were subsequently cultured at the air-liquid interface (ALI) to promote differentiation. YAC-treated AECs on ALI day 7 formed a monolayer of epithelial tissue with strong expression of the surfactant protein-encoding genes SFTPA1, SFTPB, SFTPC, and SFTPD, which are markers for type II AECs (AECIIs). Immunohistochemical analysis revealed that paraffin sections of YAC-treated AECs on ALI day 7 were mainly composed of cells expressing surfactant protein B and prosurfactant protein C. CONCLUSIONS Our results indicate that YAC-containing medium could be useful for expansion of AECIIs, which are recognized as local stem/progenitor cells, in the alveoli.
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Affiliation(s)
- Ikuya Tanabe
- Scientific Product Assessment Center, R&D Group, Japan Tobacco Inc., 6-2 Umegaoka, Aoba-ku, Yokohama, Kanagawa, 227-8512, Japan
| | - Kanae Ishimori
- Scientific Product Assessment Center, R&D Group, Japan Tobacco Inc., 6-2 Umegaoka, Aoba-ku, Yokohama, Kanagawa, 227-8512, Japan
| | - Shinkichi Ishikawa
- Scientific Product Assessment Center, R&D Group, Japan Tobacco Inc., 6-2 Umegaoka, Aoba-ku, Yokohama, Kanagawa, 227-8512, Japan.
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7
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Xu Y, Huang Y, Cheng X, Hu B, Jiang D, Wu L, Peng S, Hu J. Mechanotransductive receptor Piezo1 as a promising target in the treatment of fibrosis diseases. Front Mol Biosci 2023; 10:1270979. [PMID: 37900917 PMCID: PMC10602816 DOI: 10.3389/fmolb.2023.1270979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 09/26/2023] [Indexed: 10/31/2023] Open
Abstract
Fibrosis could happen in every organ, leading to organic malfunction and even organ failure, which poses a serious threat to global health. Early treatment of fibrosis has been reported to be the turning point, therefore, exploring potential correlates in the pathogenesis of fibrosis and how to reverse fibrosis has become a pressing issue. As a mechanism-sensitive cationic calcium channel, Piezo1 turns on in response to changes in the lipid bilayer of the plasma membrane. Piezo1 exerts multiple biological roles, including inhibition of inflammation, cytoskeletal stabilization, epithelial-mesenchymal transition, stromal stiffness, and immune cell mechanotransduction, interestingly enough. These processes are closely associated with the development of fibrotic diseases. Recent studies have shown that deletion or knockdown of Piezo1 attenuates the onset of fibrosis. Therefore, in this paper we comprehensively describe the biology of this gene, focusing on its potential relevance in pulmonary fibrosis, renal fibrosis, pancreatic fibrosis, and cardiac fibrosis diseases, except for the role of drugs (agonists), increased intracellular calcium and mechanical stress using this gene in alleviating fibrosis.
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Affiliation(s)
- Yi Xu
- The Second Affiliated Hospital of Nanchang University, The Second Clinical Medical College of Nanchang University, Nanchang, China
| | - Yiqian Huang
- The Second Affiliated Hospital of Nanchang University, The Second Clinical Medical College of Nanchang University, Nanchang, China
| | - Xiaoqing Cheng
- Department of Emergency Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Bin Hu
- Department of Emergency Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Danling Jiang
- Department of Ultrasound Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Lidong Wu
- Department of Emergency Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Shengliang Peng
- Department of Anesthesiology, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jialing Hu
- Department of Emergency Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, China
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8
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Jain P, Rauer SB, Felder D, Linkhorst J, Möller M, Wessling M, Singh S. Peptide-Functionalized Electrospun Meshes for the Physiological Cultivation of Pulmonary Alveolar Capillary Barrier Models in a 3D-Printed Micro-Bioreactor. ACS Biomater Sci Eng 2023; 9:4878-4892. [PMID: 37402206 PMCID: PMC10428094 DOI: 10.1021/acsbiomaterials.3c00047] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 06/22/2023] [Indexed: 07/06/2023]
Abstract
In vitro environments that realize biomimetic scaffolds, cellular composition, physiological shear, and strain are integral to developing tissue models of organ-specific functions. In this study, an in vitro pulmonary alveolar capillary barrier model is developed that closely mimics physiological functions by combining a synthetic biofunctionalized nanofibrous membrane system with a novel three-dimensional (3D)-printed bioreactor. The fiber meshes are fabricated from a mixture of polycaprolactone (PCL), 6-armed star-shaped isocyanate-terminated poly(ethylene glycol) (sPEG-NCO), and Arg-Gly-Asp (RGD) peptides by a one-step electrospinning process that offers full control over the fiber surface chemistry. The tunable meshes are mounted within the bioreactor where they support the co-cultivation of pulmonary epithelial (NCI-H441) and endothelial (HPMEC) cell monolayers at air-liquid interface under controlled stimulation by fluid shear stress and cyclic distention. This stimulation, which closely mimics blood circulation and breathing motion, is observed to impact alveolar endothelial cytoskeleton arrangement and improve epithelial tight junction formation as well as surfactant protein B production compared to static models. The results highlight the potential of PCL-sPEG-NCO:RGD nanofibrous scaffolds in combination with a 3D-printed bioreactor system as a platform to reconstruct and enhance in vitro models to bear a close resemblance to in vivo tissues.
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Affiliation(s)
- Puja Jain
- DWI—Leibniz
Institute for Interactive Materials, RWTH
Aachen University, 52074 Aachen, Germany
| | - Sebastian B. Rauer
- Institute
for Chemical Process Engineering, RWTH Aachen
University, 52074 Aachen, Germany
| | - Daniel Felder
- DWI—Leibniz
Institute for Interactive Materials, RWTH
Aachen University, 52074 Aachen, Germany
| | - John Linkhorst
- Institute
for Chemical Process Engineering, RWTH Aachen
University, 52074 Aachen, Germany
| | - Martin Möller
- DWI—Leibniz
Institute for Interactive Materials, RWTH
Aachen University, 52074 Aachen, Germany
| | - Matthias Wessling
- DWI—Leibniz
Institute for Interactive Materials, RWTH
Aachen University, 52074 Aachen, Germany
- Institute
for Chemical Process Engineering, RWTH Aachen
University, 52074 Aachen, Germany
| | - Smriti Singh
- Max
Planck Institute for Medical Research, Jahnstraße 29, 69120 Heidelberg, Germany
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9
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Balistrieri A, Makino A, Yuan JXJ. Pathophysiology and pathogenic mechanisms of pulmonary hypertension: role of membrane receptors, ion channels, and Ca 2+ signaling. Physiol Rev 2023; 103:1827-1897. [PMID: 36422993 PMCID: PMC10110735 DOI: 10.1152/physrev.00030.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 11/11/2022] [Accepted: 11/19/2022] [Indexed: 11/25/2022] Open
Abstract
The pulmonary circulation is a low-resistance, low-pressure, and high-compliance system that allows the lungs to receive the entire cardiac output. Pulmonary arterial pressure is a function of cardiac output and pulmonary vascular resistance, and pulmonary vascular resistance is inversely proportional to the fourth power of the intraluminal radius of the pulmonary artery. Therefore, a very small decrease of the pulmonary vascular lumen diameter results in a significant increase in pulmonary vascular resistance and pulmonary arterial pressure. Pulmonary arterial hypertension is a fatal and progressive disease with poor prognosis. Regardless of the initial pathogenic triggers, sustained pulmonary vasoconstriction, concentric vascular remodeling, occlusive intimal lesions, in situ thrombosis, and vascular wall stiffening are the major and direct causes for elevated pulmonary vascular resistance in patients with pulmonary arterial hypertension and other forms of precapillary pulmonary hypertension. In this review, we aim to discuss the basic principles and physiological mechanisms involved in the regulation of lung vascular hemodynamics and pulmonary vascular function, the changes in the pulmonary vasculature that contribute to the increased vascular resistance and arterial pressure, and the pathogenic mechanisms involved in the development and progression of pulmonary hypertension. We focus on reviewing the pathogenic roles of membrane receptors, ion channels, and intracellular Ca2+ signaling in pulmonary vascular smooth muscle cells in the development and progression of pulmonary hypertension.
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Affiliation(s)
- Angela Balistrieri
- Section of Physiology, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
- Harvard University, Cambridge, Massachusetts
| | - Ayako Makino
- Division of Endocrinology and Metabolism, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Jason X-J Yuan
- Section of Physiology, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
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10
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Tang Y, Zhao C, Zhuang Y, Zhong A, Wang M, Zhang W, Zhu L. Mechanosensitive Piezo1 protein as a novel regulator in macrophages and macrophage-mediated inflammatory diseases. Front Immunol 2023; 14:1149336. [PMID: 37334369 PMCID: PMC10275567 DOI: 10.3389/fimmu.2023.1149336] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Accepted: 05/16/2023] [Indexed: 06/20/2023] Open
Abstract
Macrophages are the most important innate immune cells in humans. They are almost ubiquitous in peripheral tissues with a large variety of different mechanical milieus. Therefore, it is not inconceivable that mechanical stimuli have effects on macrophages. Emerging as key molecular detectors of mechanical stress, the function of Piezo channels in macrophages is becoming attractive. In this review, we addressed the architecture, activation mechanisms, biological functions, and pharmacological regulation of the Piezo1 channel and review the research advancements in functions of Piezo1 channels in macrophages and macrophage-mediated inflammatory diseases as well as the potential mechanisms involved.
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Affiliation(s)
- Yu Tang
- Department of Pathology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
| | - Chuanxiang Zhao
- Institute of Medical Genetics and Reproductive Immunity, School of Medical Science and Laboratory Medicine, Jiangsu College of Nursing, Huai’an, Jiangsu, China
| | - Ying Zhuang
- Department of Pathology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
| | - Anjing Zhong
- Department of Pathology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
| | - Ming Wang
- Department of Medical Imaging, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
| | - Wei Zhang
- Department of Gastroenterology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
| | - Liqun Zhu
- Department of Gastroenterology, Affiliated Hospital of Jiangsu University, Zhenjiang, Jiangsu, China
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11
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Attenuation of Ventilation-Enhanced Epithelial–Mesenchymal Transition through the Phosphoinositide 3-Kinase-γ in a Murine Bleomycin-Induced Acute Lung Injury Model. Int J Mol Sci 2023; 24:ijms24065538. [PMID: 36982609 PMCID: PMC10053679 DOI: 10.3390/ijms24065538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/08/2023] [Accepted: 03/12/2023] [Indexed: 03/16/2023] Open
Abstract
Mechanical ventilation (MV) used in patients with acute lung injury (ALI) induces lung inflammation and causes fibroblast proliferation and excessive collagen deposition—a process termed epithelial–mesenchymal transition (EMT). Phosphoinositide 3-kinase-γ (PI3K-γ) is crucial in modulating EMT during the reparative phase of ALI; however, the mechanisms regulating the interactions among MV, EMT, and PI3K-γ remain unclear. We hypothesized that MV with or without bleomycin treatment would increase EMT through the PI3K-γ pathway. C57BL/6 mice, either wild-type or PI3K-γ-deficient, were exposed to 6 or 30 mL/kg MV for 5 h after receiving 5 mg/kg AS605240 intraperitoneally 5 days after bleomycin administration. We found that, after bleomycin exposure in wild-type mice, high-tidal-volume MV induced substantial increases in inflammatory cytokine production, oxidative loads, Masson’s trichrome staining level, positive staining of α-smooth muscle actin, PI3K-γ expression, and bronchial epithelial apoptosis (p < 0.05). Decreased respiratory function, antioxidants, and staining of the epithelial marker Zonula occludens-1 were also observed (p < 0.05). MV-augmented bleomycin-induced pulmonary fibrogenesis and epithelial apoptosis were attenuated in PI3K-γ-deficient mice, and we found pharmacological inhibition of PI3K-γ activity through AS605240 (p < 0.05). Our data suggest that MV augmented EMT after bleomycin-induced ALI, partially through the PI3K-γ pathway. Therapy targeting PI3K-γ may ameliorate MV-associated EMT.
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12
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Lasky JA, Thannickal VJ. NOTCH-ing up Surface Tension in the Fibrotic Lung. Am J Respir Crit Care Med 2023; 207:235-236. [PMID: 36351003 PMCID: PMC9896643 DOI: 10.1164/rccm.202210-1901ed] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Joseph A Lasky
- School of Medicine Tulane University New Orleans, Louisiana
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13
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Zhu J, Yang L, Jia Y, Balistrieri A, Fraidenburg DR, Wang J, Tang H, Yuan JXJ. Pathogenic Mechanisms of Pulmonary Arterial Hypertension: Homeostasis Imbalance of Endothelium-Derived Relaxing and Contracting Factors. JACC. ASIA 2022; 2:787-802. [PMID: 36713766 PMCID: PMC9877237 DOI: 10.1016/j.jacasi.2022.09.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 08/29/2022] [Accepted: 09/14/2022] [Indexed: 12/23/2022]
Abstract
Pulmonary arterial hypertension (PAH) is a progressive and fatal disease. Sustained pulmonary vasoconstriction and concentric pulmonary vascular remodeling contribute to the elevated pulmonary vascular resistance and pulmonary artery pressure in PAH. Endothelial cells regulate vascular tension by producing endothelium-derived relaxing factors (EDRFs) and endothelium-derived contracting factors (EDCFs). Homeostasis of EDRF and EDCF production has been identified as a marker of the endothelium integrity. Impaired synthesis or release of EDRFs induces persistent vascular contraction and pulmonary artery remodeling, which subsequently leads to the development and progression of PAH. In this review, the authors summarize how EDRFs and EDCFs affect pulmonary vascular homeostasis, with special attention to the recently published novel mechanisms related to endothelial dysfunction in PAH and drugs associated with EDRFs and EDCFs.
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Key Words
- 5-HT, 5-hydroxytryptamine
- ACE, angiotensin-converting enzyme
- EC, endothelial cell
- EDCF, endothelium-derived contracting factor
- EDRF, endothelium-derived relaxing factor
- ET, endothelin
- PAH, pulmonary arterial hypertension
- PASMC, pulmonary artery smooth muscle cell
- PG, prostaglandin
- TPH, tryptophan hydroxylase
- TXA2, thromboxane A2
- cGMP, cyclic guanosine monophosphate
- endothelial dysfunction
- endothelium-derived relaxing factor
- pulmonary arterial hypertension
- vascular homeostasis
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Affiliation(s)
- Jinsheng Zhu
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangdong Key Laboratory of Vascular Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Lei Yang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Yangfan Jia
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Angela Balistrieri
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California, USA
| | - Dustin R. Fraidenburg
- Division of Pulmonary, Critical Care, Sleep, and Allergy, Department of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Jian Wang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangdong Key Laboratory of Vascular Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China,Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California, USA
| | - Haiyang Tang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangdong Key Laboratory of Vascular Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China,Addresses for correspondence: Dr Haiyang Tang, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, 195 West Dongfeng Road, Guangzhou, Guangdong 510120, China.
| | - Jason X-J Yuan
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California, USA,Dr Jason X.-J. Yuan, Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California-San Diego, 9500 Gilman Drive, MC 0856, La Jolla, California 92093-0856, USA.
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14
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Hu Q, Zhang S, Yang Y, Yao JQ, Tang WF, Lyon CJ, Hu TY, Wan MH. Extracellular vesicles in the pathogenesis and treatment of acute lung injury. Mil Med Res 2022; 9:61. [PMID: 36316787 PMCID: PMC9623953 DOI: 10.1186/s40779-022-00417-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 09/19/2022] [Indexed: 11/05/2022] Open
Abstract
Acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) are common life-threatening lung diseases associated with acute and severe inflammation. Both have high mortality rates, and despite decades of research on clinical ALI/ARDS, there are no effective therapeutic strategies. Disruption of alveolar-capillary barrier integrity or activation of inflammatory responses leads to lung inflammation and injury. Recently, studies on the role of extracellular vesicles (EVs) in regulating normal and pathophysiologic cell activities, including inflammation and injury responses, have attracted attention. Injured and dysfunctional cells often secrete EVs into serum or bronchoalveolar lavage fluid with altered cargoes, which can be used to diagnose and predict the development of ALI/ARDS. EVs secreted by mesenchymal stem cells can also attenuate inflammatory reactions associated with cell dysfunction and injury to preserve or restore cell function, and thereby promote cell proliferation and tissue regeneration. This review focuses on the roles of EVs in the pathogenesis of pulmonary inflammation, particularly ALI/ARDS.
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Affiliation(s)
- Qian Hu
- Department of Integrated Traditional Chinese and Western Medicine, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Shu Zhang
- Department of Emergency Medicine, Emergency Medical Laboratory, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Yue Yang
- Department of Integrated Traditional Chinese and Western Medicine, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Jia-Qi Yao
- Department of Integrated Traditional Chinese and Western Medicine, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Wen-Fu Tang
- Department of Integrated Traditional Chinese and Western Medicine, West China Hospital of Sichuan University, Chengdu, 610041, China
| | - Christopher J Lyon
- Center of Cellular and Molecular Diagnosis, Tulane University School of Medicine, 1430 Tulane Ave., New Orleans, LA, 70112, USA.,Department of Biochemistry and Molecular Biology, Tulane University School of Medicine, 1430 Tulane Ave., New Orleans, LA, 70112, USA
| | - Tony Ye Hu
- Center of Cellular and Molecular Diagnosis, Tulane University School of Medicine, 1430 Tulane Ave., New Orleans, LA, 70112, USA. .,Department of Biochemistry and Molecular Biology, Tulane University School of Medicine, 1430 Tulane Ave., New Orleans, LA, 70112, USA.
| | - Mei-Hua Wan
- Department of Integrated Traditional Chinese and Western Medicine, West China Hospital of Sichuan University, Chengdu, 610041, China. .,West China Hospital (Airport) of Sichuan University, Chengdu, 610299, China.
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