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Huang ZQ, Ye J, Liu J, Sun LY, Ong HH, Wei YH, Fu SC, Hu XX, Xu Y, Wang DY. Predictive Significance of Claudin-3 for Epithelial Barrier Dysfunction in Chronic Rhinosinusitis With Nasal Polyps. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2023; 15:512-525. [PMID: 37153980 PMCID: PMC10359644 DOI: 10.4168/aair.2023.15.4.512] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 01/10/2023] [Accepted: 01/30/2023] [Indexed: 07/21/2023]
Abstract
PURPOSE The abnormal expression of tight junction (TJ) plays a vital role in the pathogenesis of chronic rhinosinusitis with nasal polyps (CRSwNP). However, there is no appropriate tool to distinguish and diagnose epithelial barrier defects in clinical practice. This study aimed to evaluate the predictive value of claudin-3 for epithelial barrier dysfunction in CRSwNP. METHODS In this study, TJ protein levels were evaluated by real-time quantitative polymerase chain reaction, immunofluorescent, and immunohistochemistry staining in control subjects and CRSwNP patients. The receiver operating characteristic (ROC) curve was created to assess the predictive value of TJ breakdown in clinical outcomes. In vitro, human nasal epithelial cells were cultured at the air-liquid interface to analyze the transepithelial electrical resistance (TER) level. RESULTS The expression levels of occludin, tricellulin, claudin-3, and claudin-10 were decreased (all P < 0.05), and those of claudin-1 was increased (P < 0.05) in CRSwNP patients as compared to healthy subjects. Additionally, claudin-3 and occludin levels were negatively correlated with the computed tomography score in CRSwNP (all P < 0.05), and the ROC curve indicated that the claudin-3 level had the most predictive accuracy in evaluating epithelial barrier disruption (area under the curve = 0.791, P < 0.001). Finally, the time-series analysis showed the highest correlation coefficient between TER and claudin-3 (cross-correlation function = 0.75). CONCLUSION In this study, we suggest that claudin-3 could be a valuable biomarker for predicting nasal epithelial barrier defects and disease severity in CRSwNP.
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Affiliation(s)
- Zhi-Qun Huang
- Department of Otolaryngology-Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, China
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore
| | - Jing Ye
- Department of Otolaryngology-Head and Neck Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Jing Liu
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore
| | - Li-Ying Sun
- First School of Clinical Medicine, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hsiao Hui Ong
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore
| | - Yong-Hao Wei
- Department of Otolaryngology-Head and Neck Surgery, Affiliated Hospital of Jiujiang University, Jiujiang, China
| | - Shu-Cai Fu
- Department of Otolaryngology-Head and Neck Surgery, Affiliated Hospital of Jiujiang University, Jiujiang, China
| | - Xiao-Xun Hu
- Department of Otolaryngology-Head and Neck Surgery, Affiliated Hospital of Jiujiang University, Jiujiang, China
| | - Yu Xu
- Department of Otolaryngology-Head and Neck Surgery, Renmin Hospital of Wuhan University, Wuhan, China.
| | - De-Yun Wang
- Department of Otolaryngology, Infectious Diseases Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, National University Health System, Singapore.
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Shrestha D, Massey N, Bhat SM, Jelesijević T, Sahin O, Zhang Q, Bailey KL, Poole JA, Charavaryamath C. Nrf2 Activation Protects Against Organic Dust and Hydrogen Sulfide Exposure Induced Epithelial Barrier Loss and K. pneumoniae Invasion. Front Cell Infect Microbiol 2022; 12:848773. [PMID: 35521223 PMCID: PMC9062039 DOI: 10.3389/fcimb.2022.848773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 03/21/2022] [Indexed: 11/23/2022] Open
Abstract
Agriculture workers report various respiratory symptoms owing to occupational exposure to organic dust (OD) and various gases. Previously, we demonstrated that pre-exposure to hydrogen sulfide (H2S) alters the host response to OD and induces oxidative stress. Nrf2 is a master-regulator of host antioxidant response and exposures to toxicants is known to reduce Nrf2 activity. The OD exposure-induced lung inflammation is known to increase susceptibility to a secondary microbial infection. We tested the hypothesis that repeated exposure to OD or H2S leads to loss of Nrf2, loss of epithelial cell integrity and that activation of Nrf2 rescues this epithelial barrier dysfunction. Primary normal human bronchial epithelial (NHBE) cells or mouse precision cut-lung slices (PCLS) were treated with media, swine confinement facility organic dust extract (ODE) or H2S or ODE+H2S for one or five days. Cells were also pretreated with vehicle control (DMSO) or RTA-408, a Nrf2 activator. Acute exposure to H2S and ODE+H2S altered the cell morphology, decreased the viability as per the MTT assay, and reduced the Nrf2 expression as well as increased the keap1 levels in NHBE cells. Repeated exposure to ODE or H2S or ODE+H2S induced oxidative stress and cytokine production, decreased tight junction protein occludin and cytoskeletal protein ezrin expression, disrupted epithelial integrity and resulted in increased Klebsiella pneumoniae invasion. RTA-408 (pharmacological activator of Nrf2) activated Nrf2 by decreasing keap1 levels and reduced ODE+H2S-induced changes including reversing loss of barrier integrity, inflammatory cytokine production and microbial invasion in PCLS but not in NHBE cell model. We conclude that Nrf2 activation has a partial protective function against ODE and H2S.
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Affiliation(s)
- Denusha Shrestha
- Department of Biomedical Sciences, Iowa State University, Ames, IA, United States
| | - Nyzil Massey
- Department of Biomedical Sciences, Iowa State University, Ames, IA, United States
| | - Sanjana Mahadev Bhat
- Department of Biomedical Sciences, Iowa State University, Ames, IA, United States
- Immunobiology Interdepartmental Graduate Program, Iowa State University, Ames, IA, United States
| | - Tomislav Jelesijević
- Department of Comparative Biomedical Sciences, Louisiana State University, Baton Rouge, LA, United States
| | - Orhan Sahin
- Department of Veterinary Diagnostic and Production Animal Medicine, Iowa State University, Ames, IA, United States
| | - Qijing Zhang
- Veterinary Microbiology and Preventive Medicine, Iowa State University, Ames, IA, United States
| | - Kristina L. Bailey
- Department of Internal Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, University of Nebraska Medical Center, Omaha, NE, United States
| | - Jill A. Poole
- Department of Medicine, University of Nebraska Medical Center, Omaha, NE, United States
| | - Chandrashekhar Charavaryamath
- Department of Biomedical Sciences, Iowa State University, Ames, IA, United States
- *Correspondence: Chandrashekhar Charavaryamath,
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Kojima T, Shindo Y, Konno T, Kodera Y, Arai W, Miyakawa M, Ohwada K, Tanaka H, Tsujiwaki M, Sakuma Y, Kikuchi S, Ohkuni T, Takano K, Watanabe A, Kohno T. Dysfunction of epithelial permeability barrier induced by HMGB1 in 2.5D cultures of human epithelial cells. Tissue Barriers 2021; 10:1972760. [PMID: 34538217 DOI: 10.1080/21688370.2021.1972760] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Airway and intestinal epithelial permeability barriers are crucial in epithelial homeostasis. High mobility group box 1 (HMGB1), increased by various stimuli, is involved in the induction of airway inflammation, as well as the pathogenesis of inflammatory bowel disease. HMGB1 enhances epithelial hyperpermeability. Two-and-a-half dimensional (2.5D) culture assays are experimentally convenient and induce cells to form a more physiological tissue architecture than 2D culture assays for molecular transfer mechanism analysis. In 2.5D culture, treatment with HMGB1 induced permeability of FITC-dextran into the lumen formed by human lung, nasal and intestinal epithelial cells. The tricellular tight junction molecule angulin-1/LSR is responsible for the epithelial permeability barrier at tricellular contacts and contributes to various human airway and intestinal inflammatory diseases. In this review, we indicate the mechanisms including angulin-1/LSR and multiple signaling in dysfunction of the epithelial permeability barrier induced by HMGB1 in 2.5D culture of human airway and intestinal epithelial cells.
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Affiliation(s)
- Takashi Kojima
- Department of Cell Science, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yuma Shindo
- Department of Cell Science, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan.,Department of Thoracic Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takumi Konno
- Department of Cell Science, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yuki Kodera
- Department of Cell Science, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan.,Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Wataru Arai
- Department of Cell Science, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan.,Department of Thoracic Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Maki Miyakawa
- Department of Cell Science, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan.,IBD Hospital, Sapporo, Japan
| | - Kizuku Ohwada
- Department of Cell Science, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan.,Department of Otolaryngology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | | | - Mitsuhiro Tsujiwaki
- Department of Pathology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yuji Sakuma
- Department of Molecular Medicine, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Shin Kikuchi
- Department of Anatomy, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tsuyoshi Ohkuni
- Department of Otolaryngology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Kenichi Takano
- Department of Otolaryngology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Atsushi Watanabe
- Department of Thoracic Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Takayuki Kohno
- Department of Cell Science, Research Institute for Frontier Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan
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Nikniaz L, Ghojazadeh M, Nateghian H, Nikniaz Z, Farhangi MA, Pourmanaf H. The interaction effect of aerobic exercise and vitamin D supplementation on inflammatory factors, anti-inflammatory proteins, and lung function in male smokers: a randomized controlled trial. BMC Sports Sci Med Rehabil 2021; 13:102. [PMID: 34461991 PMCID: PMC8406718 DOI: 10.1186/s13102-021-00333-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 08/20/2021] [Indexed: 01/26/2023]
Abstract
Background This study aimed to investigate the interaction effect of aerobic exercise and vitamin D supplementation on inflammation (TNF-α, IL-6, CC16, SP-D, and CC16/SP-D ratio) and lung function (FEV1, FVC, and FEV1/FVC ratio) in male smokers.
Methods After applying inclusion criteria, a total of 40 healthy male smokers were recruited in this study. The participants were randomly divided into four groups as follows: Aerobic Exercise + vitamin D Supplementation (AE + VitD, n = 10), Aerobic Exercise (AE, n = 10), vitamin D Supplementation (VitD, n = 10), and Control (C, n = 10). The participants in the AE + VitD and AE groups performed aerobic exercise training (running) up to 50% of the maximum heart rate, three times a week for four weeks. Participants in AE + VitD and VitD groups received 6000 IU/w vitamin D3 for four weeks. The participants in control group did not receive any intervention. Serum tumor necrosis factor (TNF)-α, interleukin (IL)-6, Clara cell protein (CC16), surfactant protein (SP)-D, CC16/SP-D ratio, and lung function (FEV1, FVC, and FEV1/FVC ratio) were measured before and after four weeks of intervention. Results Serum levels of TNF-α, IL-6, and CC16 decreased significantly in AE + VitD, VitD, and AE groups after four weeks (P < 0.05). Serum SP-D level decreased significantly only in the AE + VitD group (P = 0.011). In addition, FEV1 and FVC increased significantly (P < 0.05) in AE + VitD and AE groups after four weeks of intervention. However, the interventions did not have a significant effect on CC16/SP-D ratio and FEV1/FVC ratio (P > 0.05). Furthermore, serum levels of 1,25-dihydroxyvitamin D increased significantly in AE + VitD and VitD groups (P < 0.05) after four weeks of intervention. However, except for TNF-α, between-group comparisons showed no significant differences in levels of IL-6, CC16, SP-D, CC16/SP-D ratio, FEV1, FVC, FEV1/FVC, and 1,25-dihydroxyvitamin D (P > 0.05). Conclusions The results of present study were that aerobic exercise combined with vitamin D supplementation can reduce serum inflammatory factors and anti-inflammatory proteins and improve lung function after four weeks of intervention. Further trials with larger sample size and longer duration are suggested to confirm these results. Trial registration Retrospectively registered. IRCT20180513039637N4. Registration date: 2020/10/20. URL: https://www.irct.ir/search/result?query=IRCT20180513039637N4
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Affiliation(s)
- Leila Nikniaz
- Tabriz Health Services Management Research Center, Health Management and Safety Promotion Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Morteza Ghojazadeh
- Research Center for Evidence-Based Medicine, Iranian EBM Centre: A Joanna Briggs Institute Affiliated Group, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hooman Nateghian
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zeinab Nikniaz
- Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Hadi Pourmanaf
- Faculty of Physical Education and Sport Sciences, University of Tehran, Tehran, Iran.
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Huang Y, Zheng Y, Yin J, Lu T, Li M, Liang J, Hu Z, Bi G, Zhan C, Xue L, Jiang W, Wang Q. Reconstructing the Developmental Trajectories of Multiple Subtypes in Pulmonary Parenchymal Epithelial Cells by Single-Cell RNA-seq. Front Genet 2020; 11:573429. [PMID: 33133163 PMCID: PMC7573224 DOI: 10.3389/fgene.2020.573429] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 09/15/2020] [Indexed: 11/25/2022] Open
Abstract
Background Some lung diseases are cell type-specific. It is essential to study the cellular anatomy of the normal human lung for exploring the cellular origin of lung disease and the cell development trajectory. Methods We used the Seurat R package for data quality control. The principal component analysis (PCA) was used for linear dimensionality reduction. UMAP and tSNE were used for dimensionality reduction. Muonocle2 was used to extract lung epithelial cells to analyze the subtypes of epithelial cells further and to study the development of these cell subtypes. Results We showed a total of 20154 high quality of cells from human normal lung tissue. They were initially divided into 17 clusters cells and then identified as seven types of cells, namely macrophages, monocytes, CD8 + T cells, epithelial cells, endothelial cells, adipocytes, and NK cells. 4240 epithelial cells were extracted for further analysis and they were divided into seven clusters. The seven cell clusters include alveolar cell, alveolar endothelial progenitor, ciliated cell, secretory cell, ionocyte cell, and a group of cells that are not clear at present. We show the development track of these subtypes of epithelial cells, in which we speculate that alveolar epithelial progenitor (AEP) is a kind of progenitor cells that can develop into alveolar cells, and find six essential genes that determine the cell fate, including AGER, RPL10, RPL9, RPS18, RPS27, and SFTPB. Conclusion We provide a transcription map of human lung cells, especially the in-depth study on the development of epithelial cell subtypes, which will help us to study lung cell biology and lung diseases.
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Affiliation(s)
- Yiwei Huang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yuansheng Zheng
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jiacheng Yin
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Tao Lu
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ming Li
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jiaqi Liang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhengyang Hu
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Guoshu Bi
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Cheng Zhan
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Liang Xue
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Wei Jiang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Qun Wang
- Department of Thoracic Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
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6
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Seo HS, Lee HJ, Lee CJ. Effect of Pyunkang-tang on Inflammatory Aspects of Chronic Obstructive Pulmonary Disease in a Rat Model. ACTA ACUST UNITED AC 2019. [DOI: 10.20307/nps.2019.25.2.103] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Hyo-Seok Seo
- Department of Pharmacology, School of Medicine, Chungnam National University, Daejeon, Korea
| | - Hyun Jae Lee
- Smith Liberal Arts College and Department of Addiction Science, Graduate School, Sahmyook University, Seoul, Korea
| | - Choong Jae Lee
- Department of Pharmacology, School of Medicine, Chungnam National University, Daejeon, Korea
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7
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Developing a link between toxicants, claudins and neural tube defects. Reprod Toxicol 2018; 81:155-167. [DOI: 10.1016/j.reprotox.2018.08.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 07/27/2018] [Accepted: 08/02/2018] [Indexed: 02/06/2023]
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8
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Lewis JB, Jimenez FR, Merrell BJ, Kimbler B, Arroyo JA, Reynolds PR. The expression profile of Claudin family members in the developing mouse lung and expression alterations resulting from exposure to secondhand smoke (SHS). Exp Lung Res 2018; 44:13-24. [DOI: 10.1080/01902148.2017.1409846] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Joshua B. Lewis
- Department of Physiology and Developmental Biology, Lung and Placenta Research Laboratory, Brigham Young University, Provo, Utah, USA
| | - Felix R. Jimenez
- Department of Physiology and Developmental Biology, Lung and Placenta Research Laboratory, Brigham Young University, Provo, Utah, USA
| | - Brigham J. Merrell
- Department of Physiology and Developmental Biology, Lung and Placenta Research Laboratory, Brigham Young University, Provo, Utah, USA
| | - Brent Kimbler
- Department of Physiology and Developmental Biology, Lung and Placenta Research Laboratory, Brigham Young University, Provo, Utah, USA
| | - Juan A. Arroyo
- Department of Physiology and Developmental Biology, Lung and Placenta Research Laboratory, Brigham Young University, Provo, Utah, USA
| | - Paul R. Reynolds
- Department of Physiology and Developmental Biology, Lung and Placenta Research Laboratory, Brigham Young University, Provo, Utah, USA
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9
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Meng M, Liao H, Zhang B, Pan Y, Kong Y, Liu W, Yang P, Huo Z, Cao Z, Zhou Q. Cigarette smoke extracts induce overexpression of the proto-oncogenic gene interleukin-13 receptor α2 through activation of the PKA-CREB signaling pathway to trigger malignant transformation of lung vascular endothelial cells and angiogenesis. Cell Signal 2016; 31:15-25. [PMID: 27986643 DOI: 10.1016/j.cellsig.2016.12.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 12/03/2016] [Accepted: 12/12/2016] [Indexed: 01/23/2023]
Abstract
Cigarette smoking is a major cause of lung cancer. Tumor-associated endothelial cells (TAECs) play important roles in tumor angiogenesis and metastasis. However, whether cigarette smoking can trigger genesis of lung TAECs has not been reported yet. In the current study, we used lung endothelial cell (EC) lines as a model to study the pathological effect of cigarette smoke extracts (CSEs) on human lung ECs, and found that a lower dose of 4% CSEs obviously caused abnormal morphological changes in ECs, increased the permeability of endothelial monolayer, while a higher concentration of 8% CSEs caused EC apoptosis. Strikingly, CSEs induced a 117-fold overexpression of a pro-tumorigenic interleukin-13 receptor α2 gene (IL-13Rα2, also named as CT-19) through activation of the protein kinase A (PKA) and cAMP response element-binding protein (CREB) signaling pathway. A PKA specific inhibitor H89 completely abolished CSEs-induced IL-13Rα2 overexpression. The overexpression of IL-13Rα2 in lung ECs significantly increased the tumorigenic, migratory, and angiogenic capabilities of the cells, suggesting that IL-13Rα2 promotes genesis of lung TAECs. Together, our data show that CSEs activate the PKA, CREB, and IL-13Rα2 axis in lung ECs, and IL-13Rα2 promotes the malignant transformation of lung ECs and genesis of TAECs with robust angiogenic and oncogenic capabilities. Our study provides new insight into the mechanism of CSEs-triggered lung cancer angiogenesis and tumorigenesis, suggesting that the PKA-CREB-IL-13Rα2 axis is a potential target for novel anti-lung tumor angiogenesis and anti-lung cancer drug discovery.
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Affiliation(s)
- Mei Meng
- Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, 2011 Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Huaidong Liao
- Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, 2011 Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Bin Zhang
- Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, 2011 Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Yanyan Pan
- Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, 2011 Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Ying Kong
- Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, 2011 Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Wenming Liu
- Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, 2011 Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Ping Yang
- Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, 2011 Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Zihe Huo
- Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, 2011 Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Zhifei Cao
- Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, 2011 Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Quansheng Zhou
- Cyrus Tang Hematology Center, Jiangsu Institute of Hematology, 2011 Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123, China.
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10
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Vasconcelos TBD, Araújo FYRD, Pinho JPMD, Soares PMG, Bastos VPD. Effects of passive inhalation of cigarette smoke on structural and functional parameters in the respiratory system of guinea pigs. J Bras Pneumol 2016; 42:333-340. [PMID: 27812632 PMCID: PMC5094869 DOI: 10.1590/s1806-37562015000000342] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2016] [Accepted: 07/31/2016] [Indexed: 11/21/2022] Open
Abstract
Objective: To evaluate the effects of passive inhalation of cigarette smoke on the respiratory system of guinea pigs. Methods: Male guinea pigs were divided into two groups: control and passive smoking, the latter being exposed to the smoke of ten cigarettes for 20 min in the morning, afternoon and evening (30 cigarettes/day) for five days. After that period, inflammatory parameters were studied by quantifying mesenteric mast cell degranulation, as well as oxidative stress, in BAL fluid. In addition, we determined MIP, MEP, and mucociliary transport (in vivo), as well as tracheal contractility response (in vitro). Results: In comparison with the control group, the passive smoking group showed a significant increase in mast cell degranulation (19.75 ± 3.77% vs. 42.53 ± 0.42%; p < 0.001) and in the levels of reduced glutathione (293.9 ± 19.21 vs. 723.7 ± 67.43 nM/g of tissue; p < 0.05); as well as a significant reduction in mucociliary clearance (p < 0.05), which caused significant changes in pulmonary function (in MIP and MEP; p < 0.05 for both) and airway hyperreactivity. Conclusions: Passive inhalation of cigarette smoke caused significant increases in mast cell degranulation and oxidative stress. This inflammatory process seems to influence the decrease in mucociliary transport and to cause changes in pulmonary function, leading to tracheal hyperreactivity.
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Lewis JB, Milner DC, Lewis AL, Dunaway TM, Egbert KM, Albright SC, Merrell BJ, Monson TD, Broberg DS, Gassman JR, Thomas DB, Arroyo JA, Reynolds PR. Up-Regulation of Claudin-6 in the Distal Lung Impacts Secondhand Smoke-Induced Inflammation. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:E1018. [PMID: 27763528 PMCID: PMC5086757 DOI: 10.3390/ijerph13101018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 09/30/2016] [Accepted: 10/13/2016] [Indexed: 01/06/2023]
Abstract
It has long been understood that increased epithelial permeability contributes to inflammation observed in many respiratory diseases. Recently, evidence has revealed that environmental exposure to noxious material such as cigarette smoke reduces tight junction barrier integrity, thus enhancing inflammatory conditions. Claudin-6 (Cldn6) is a tetraspanin transmembrane protein found within the tight junctional complex and is implicated in maintaining lung epithelial barriers. To test the hypothesis that increased Cldn6 ameliorates inflammation at the respiratory barrier, we utilized the Tet-On inducible transgenic system to conditionally over-express Clnd6 in the distal lung. Cldn6 transgenic (TG) and control mice were continuously provided doxycycline from postnatal day (PN) 30 until euthanasia date at PN90. A subset of Cldn6 TG and control mice were also subjected to daily secondhand tobacco smoke (SHS) via a nose only inhalation system from PN30-90 and compared to room air (RA) controls. Animals were euthanized on PN90 and lungs were harvested for histological and molecular characterization. Bronchoalveolar lavage fluid (BALF) was procured for the assessment of inflammatory cells and molecules. Quantitative RT-PCR and immunoblotting revealed increased Cldn6 expression in TG vs. control animals and SHS decreased Cldn6 expression regardless of genetic up-regulation. Histological evaluations revealed no adverse pulmonary remodeling via Hematoxylin and Eosin (H&E) staining or any qualitative alterations in the abundance of type II pneumocytes or proximal non-ciliated epithelial cells via staining for cell specific propeptide of Surfactant Protein-C (proSP-C) or Club Cell Secretory Protein (CCSP), respectively. Immunoblotting and qRT-PCR confirmed the differential expression of Cldn6 and the pro-inflammatory cytokines TNF-α and IL-1β. As a general theme, inflammation induced by SHS exposure was influenced by the availability of Cldn6. These data reveal captivating information suggesting a role for Cldn6 in lungs exposed to tobacco smoke. Further research is critically necessary in order to fully explain roles for tight junctional components such as Cldn6 and other related molecules in lungs coping with exposure.
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Affiliation(s)
- Joshua B Lewis
- Lung and Placenta Research Laboratory, Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.
| | - Dallin C Milner
- Lung and Placenta Research Laboratory, Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.
| | - Adam L Lewis
- Lung and Placenta Research Laboratory, Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.
| | - Todd M Dunaway
- Lung and Placenta Research Laboratory, Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.
| | - Kaleb M Egbert
- Lung and Placenta Research Laboratory, Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.
| | - Scott C Albright
- Lung and Placenta Research Laboratory, Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.
| | - Brigham J Merrell
- Lung and Placenta Research Laboratory, Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.
| | - Troy D Monson
- Lung and Placenta Research Laboratory, Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.
| | - Dallin S Broberg
- Lung and Placenta Research Laboratory, Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.
| | - Jason R Gassman
- Lung and Placenta Research Laboratory, Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.
| | - Daniel B Thomas
- Lung and Placenta Research Laboratory, Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.
| | - Juan A Arroyo
- Lung and Placenta Research Laboratory, Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.
| | - Paul R Reynolds
- Lung and Placenta Research Laboratory, Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA.
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Laucho-Contreras ME, Polverino F, Tesfaigzi Y, Pilon A, Celli BR, Owen CA. Club Cell Protein 16 (CC16) Augmentation: A Potential Disease-modifying Approach for Chronic Obstructive Pulmonary Disease (COPD). Expert Opin Ther Targets 2016; 20:869-83. [PMID: 26781659 DOI: 10.1517/14728222.2016.1139084] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
INTRODUCTION Club cell protein 16 (CC16) is the most abundant protein in bronchoalveolar lavage fluid. CC16 has anti-inflammatory properties in smoke-exposed lungs, and chronic obstructive pulmonary disease (COPD) is associated with CC16 deficiency. Herein, we explored whether CC16 is a therapeutic target for COPD. AREAS COVERED We reviewed the literature on the factors that regulate airway CC16 expression, its biologic functions and its protective activities in smoke-exposed lungs using PUBMED searches. We generated hypotheses on the mechanisms by which CC16 limits COPD development, and discuss its potential as a new therapeutic approach for COPD. EXPERT OPINION CC16 plasma and lung levels are reduced in smokers without airflow obstruction and COPD patients. In COPD patients, airway CC16 expression is inversely correlated with severity of airflow obstruction. CC16 deficiency increases smoke-induced lung pathologies in mice by its effects on epithelial cells, leukocytes, and fibroblasts. Experimental augmentation of CC16 levels using recombinant CC16 in cell culture systems, plasmid and adenoviral-mediated over-expression of CC16 in epithelial cells or smoke-exposed murine airways reduces inflammation and cellular injury. Additional studies are necessary to assess the efficacy of therapies aimed at restoring airway CC16 levels as a new disease-modifying therapy for COPD patients.
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Affiliation(s)
- Maria E Laucho-Contreras
- a Division of Pulmonary and Critical Care Medicine , Brigham and Women's Hospital/Harvard Medical School , Boston , MA , USA
| | - Francesca Polverino
- a Division of Pulmonary and Critical Care Medicine , Brigham and Women's Hospital/Harvard Medical School , Boston , MA , USA.,b COPD Program , Lovelace Respiratory Research Institute , Albuquerque , NM , USA.,c Department of Medicine , University of Parma , Parma , Italy
| | - Yohannes Tesfaigzi
- b COPD Program , Lovelace Respiratory Research Institute , Albuquerque , NM , USA
| | - Aprile Pilon
- d Therabron Therapeutics Inc. , Rockville , MD , USA
| | - Bartolome R Celli
- a Division of Pulmonary and Critical Care Medicine , Brigham and Women's Hospital/Harvard Medical School , Boston , MA , USA.,b COPD Program , Lovelace Respiratory Research Institute , Albuquerque , NM , USA
| | - Caroline A Owen
- a Division of Pulmonary and Critical Care Medicine , Brigham and Women's Hospital/Harvard Medical School , Boston , MA , USA.,b COPD Program , Lovelace Respiratory Research Institute , Albuquerque , NM , USA
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Hwang JH, Lee BJ, Jung HJ, Kim KI, Choi JY, Joo M, Jung SK. Effects of Chung-Pae Inhalation Therapy on a Mouse Model of Chronic Obstructive Pulmonary Disease. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2015; 2015:461295. [PMID: 26539225 PMCID: PMC4619917 DOI: 10.1155/2015/461295] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 08/13/2015] [Indexed: 12/29/2022]
Abstract
Chung-pae (CP) inhalation therapy is a method frequently used in Korea to treat lung disease, especially chronic obstructive pulmonary disease (COPD). This study investigated the effects of CP inhalation on a COPD animal model. C57BL/6 mice received porcine pancreatic elastase (PPE) and lipopolysaccharide (LPS) alternately three times for 3 weeks to induce COPD. Then, CP (5 or 20 mg/kg) was administered every 2 h after the final LPS administration. The effect of CP was evaluated by bronchoalveolar lavage (BAL) fluid analysis, histological analysis of lung tissue, and reverse transcription polymerase chain reaction analysis of mRNA of interleukin- (IL-) 1β, tumor necrosis factor- (TNF-) α, IL-6, and tumor growth factor- (TGF-) β. Intratracheal CP administration reduced the number of leukocytes and neutrophils in BAL fluid, inhibited the histological appearance of lung damage, and decreased the mRNA levels of the proinflammatory cytokines IL-1β, TNF-α, IL-6, and TGF-β. Intratracheal CP administration effectively decreased the chronic inflammation and pathological changes in a PPE- and LPS-induced COPD mouse model. Therefore, we suggest that CP is a promising strategy for COPD.
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Affiliation(s)
- Joon-Ho Hwang
- Division of Allergy, Immune and Respiratory System, Department of Internal Medicine, College of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Beom-Joon Lee
- Division of Allergy, Immune and Respiratory System, Department of Internal Medicine, College of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Hee Jae Jung
- Division of Allergy, Immune and Respiratory System, Department of Internal Medicine, College of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Kwan-Il Kim
- Division of Allergy, Immune and Respiratory System, Department of Internal Medicine, College of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea
| | - Jun-Yong Choi
- School of Korean Medicine, Pusan National University, Yangsan 626-870, Republic of Korea
| | - Myungsoo Joo
- School of Korean Medicine, Pusan National University, Yangsan 626-870, Republic of Korea
| | - Sung-Ki Jung
- Division of Allergy, Immune and Respiratory System, Department of Internal Medicine, College of Korean Medicine, Kyung Hee University, Seoul 130-701, Republic of Korea
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Jung KH, Haam KK, Park S, Kim Y, Lee SR, Lee G, Kim M, Hong M, Shin M, Jung S, Bae H. The standardized herbal formula, PM014, ameliorated cigarette smoke-induced lung inflammation in a murine model of chronic obstructive pulmonary disease. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 13:219. [PMID: 24010767 PMCID: PMC3847199 DOI: 10.1186/1472-6882-13-219] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2013] [Accepted: 08/29/2013] [Indexed: 01/10/2023]
Abstract
BACKGROUND In this study, we evaluated the anti-inflammatory effect of PM014 on cigarette smoke induced lung disease in the murine animal model of chronic obstructive pulmonary disease (COPD). METHODS Mice were exposed to cigarette smoke (CS) for 2 weeks to induce COPD-like lung inflammation. Two hours prior to cigarette smoke exposure, the treatment group was administered PM014 via an oral injection. To investigate the effects of PM014, we assessed PM014 functions in vivo, including immune cell infiltration, cytokine profiles in bronchoalveolar lavage (BAL) fluid and histopathological changes in the lung. The efficacy of PM014 was compared with that of the recently developed anti-COPD drug, roflumilast. RESULTS PM014 substantially inhibited immune cell infiltration (neutrophils, macrophages, and lymphocytes) into the airway. In addition, IL-6, TNF-α and MCP-1 were decreased in the BAL fluid of PM014-treated mice compared to cigarette smoke stimulated mice. These changes were more prominent than roflumilast treated mice. The expression of PAS-positive cells in the bronchial layer was also significantly reduced in both PM014 and roflumilast treated mice. CONCLUSIONS These data suggest that PM014 exerts strong therapeutic effects against CS induced, COPD-like lung inflammation. Therefore, this herbal medicine may represent a novel therapeutic agent for lung inflammation in general, as well as a specific agent for COPD treatment.
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Affiliation(s)
- Kyung-Hwa Jung
- Department of Physiology, College of Korean Medicine, Kyung Hee University, #1 Hoekidong, Dongdaemoonku, Seoul 130-701, Republic of Korea
| | - Kyoung-Keun Haam
- Department of Physiology, College of Korean Medicine, Kyung Hee University, #1 Hoekidong, Dongdaemoonku, Seoul 130-701, Republic of Korea
| | - Soojin Park
- Department of Physiology, College of Korean Medicine, Kyung Hee University, #1 Hoekidong, Dongdaemoonku, Seoul 130-701, Republic of Korea
| | - Youngeun Kim
- Department of Physiology, College of Korean Medicine, Kyung Hee University, #1 Hoekidong, Dongdaemoonku, Seoul 130-701, Republic of Korea
| | - Seung Ryel Lee
- Department of Physiology, College of Korean Medicine, Kyung Hee University, #1 Hoekidong, Dongdaemoonku, Seoul 130-701, Republic of Korea
| | - Geunhyeog Lee
- Central Research Institute, Hanlim Pharm. Co. Ltd., 1007 Yoobang Dong, Yongin, Kyounggi Do, Republic of Korea
| | - Miran Kim
- Central Research Institute, Hanlim Pharm. Co. Ltd., 1007 Yoobang Dong, Yongin, Kyounggi Do, Republic of Korea
| | - Moochang Hong
- Department of Physiology, College of Korean Medicine, Kyung Hee University, #1 Hoekidong, Dongdaemoonku, Seoul 130-701, Republic of Korea
| | - Minkyu Shin
- Department of Physiology, College of Korean Medicine, Kyung Hee University, #1 Hoekidong, Dongdaemoonku, Seoul 130-701, Republic of Korea
| | - Sungki Jung
- Division of Allergy and Respiratory System, Department of Internal Medicine, College of Korean Medicine, Kyung Hee University, #1 Hoekidong, Dongdaemoonku, Seoul 130-701, Republic of Korea
| | - Hyunsu Bae
- Department of Physiology, College of Korean Medicine, Kyung Hee University, #1 Hoekidong, Dongdaemoonku, Seoul 130-701, Republic of Korea
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Birru RL, Di YP. Pathogenic mechanism of second hand smoke induced inflammation and COPD. Front Physiol 2012; 3:348. [PMID: 22973236 PMCID: PMC3428782 DOI: 10.3389/fphys.2012.00348] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2012] [Accepted: 08/09/2012] [Indexed: 01/22/2023] Open
Abstract
Second hand smoke (SHS) introduces thousands of toxic chemicals into the lung, including carcinogens and oxidants, which cause direct airway epithelium tissue destruction. It can also illicit indirect damage through its effect on signaling pathways related to tissue cell repair and by the abnormal induction of inflammation into the lung. After repeated exposure to SHS, these symptoms can lead to the development of pulmonary inflammatory disorders, including chronic obstructive pulmonary disease (COPD). COPD is a severe pulmonary disease characterized by chronic inflammation and irreversible tissue destruction. There is no causal cure, as the mechanism behind the development and progression of the disease is still unknown. Recent discoveries implicate genetic predisposition associated with inflammatory response contributed to the development of COPD, linked to irregular innate and adaptive immunity, as well as a risk factor for cancer. The use of animal models for both cigarette smoke (CS) and SHS associated in vivo experiments has been crucial in elucidating the pathogenic mechanisms and genetic components involved in inflammation-related development of COPD.
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Affiliation(s)
- Rahel L Birru
- Department of Environmental and Occupational Health, University of Pittsburgh Pittsburgh, PA, USA
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