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Chronic Inflammation as the Underlying Mechanism of the Development of Lung Diseases in Psoriasis: A Systematic Review. Int J Mol Sci 2022; 23:ijms23031767. [PMID: 35163689 PMCID: PMC8836589 DOI: 10.3390/ijms23031767] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 01/30/2022] [Accepted: 02/02/2022] [Indexed: 01/04/2023] Open
Abstract
Psoriasis is a systemic inflammatory disease caused by dysfunctional interactions between the innate and adaptive immune responses. The systemic inflammation in psoriasis may be associated with the development of comorbidities, including lung diseases. In this review, we aimed to provide a summary of the evidence regarding the prevalence of lung diseases in patients with psoriasis and the potential underlying mechanisms. Twenty-three articles published between March 2010 and June 2021 were selected from 195 initially identified records. The findings are discussed in terms of the prevalence of asthma, chronic obstructive pulmonary disease, interstitial lung disease, obstructive sleep apnea, pulmonary hypertension, and sarcoidosis in psoriasis. A higher prevalence of lung diseases in psoriasis has been confirmed in asthma, chronic obstructive pulmonary disease, obstructive sleep apnea, and pulmonary hypertension. These conditions are important as they are previously unrecognized causes of morbidity and mortality in psoriasis. The development of lung diseases in patients with psoriasis can be explained by several mechanisms, including common risk factors, shared immune and molecular characteristics associated with chronic inflammation, as well as other mechanisms. Understanding the prevalence of lung diseases in psoriasis and their underlying mechanisms can help implement appropriate preventative and therapeutic strategies to address respiratory diseases in patients with psoriasis.
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2
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Lourenço JD, Ito JT, Martins MDA, Tibério IDFLC, Lopes FDTQDS. Th17/Treg Imbalance in Chronic Obstructive Pulmonary Disease: Clinical and Experimental Evidence. Front Immunol 2021; 12:804919. [PMID: 34956243 PMCID: PMC8695876 DOI: 10.3389/fimmu.2021.804919] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 11/22/2021] [Indexed: 12/28/2022] Open
Abstract
The imbalance between pro- and anti-inflammatory immune responses mediated by Th17 and Treg cells is deeply involved in the development and progression of inflammation in chronic obstructive pulmonary disease (COPD). Several clinical and experimental studies have described the Th17/Treg imbalance in COPD progression. Due to its importance, many studies have also evaluated the effect of different treatments targeting Th17/Treg cells. However, discrepant results have been observed among different lung compartments, different COPD stages or local and systemic markers. Thus, the data must be carefully examined. In this context, this review explores and summarizes the recent outcomes of Th17/Treg imbalance in COPD development and progression in clinical, experimental and in vitro studies.
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Affiliation(s)
- Juliana Dias Lourenço
- Laboratory of Experimental Therapeutics (LIM-20), Department of Clinical Medicine, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Juliana Tiyaki Ito
- Laboratory of Experimental Therapeutics (LIM-20), Department of Clinical Medicine, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
| | - Milton de Arruda Martins
- Laboratory of Experimental Therapeutics (LIM-20), Department of Clinical Medicine, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil
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3
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Szalontai K, Gémes N, Furák J, Varga T, Neuperger P, Balog JÁ, Puskás LG, Szebeni GJ. Chronic Obstructive Pulmonary Disease: Epidemiology, Biomarkers, and Paving the Way to Lung Cancer. J Clin Med 2021; 10:jcm10132889. [PMID: 34209651 PMCID: PMC8268950 DOI: 10.3390/jcm10132889] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 06/24/2021] [Accepted: 06/24/2021] [Indexed: 12/16/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD), the frequently fatal pathology of the respiratory tract, accounts for half a billion cases globally. COPD manifests via chronic inflammatory response to irritants, frequently to tobacco smoke. The progression of COPD from early onset to advanced disease leads to the loss of the alveolar wall, pulmonary hypertension, and fibrosis of the respiratory epithelium. Here, we focus on the epidemiology, progression, and biomarkers of COPD with a particular connection to lung cancer. Dissecting the cellular and molecular players in the progression of the disease, we aim to shed light on the role of smoking, which is responsible for the disease, or at least for the more severe symptoms and worse patient outcomes. We summarize the inflammatory conditions, as well as the role of EMT and fibroblasts in establishing a cancer-prone microenvironment, i.e., the soil for ‘COPD-derived’ lung cancer. We highlight that the major health problem of COPD can be alleviated via smoking cessation, early diagnosis, and abandonment of the usage of biomass fuels on a global basis.
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Affiliation(s)
- Klára Szalontai
- Csongrád County Hospital of Chest Diseases, Alkotmány u. 36., H6772 Deszk, Hungary;
| | - Nikolett Gémes
- Laboratory of Functional Genomics, Biological Research Centre, Temesvári krt. 62., H6726 Szeged, Hungary; (N.G.); (T.V.); (P.N.); (J.Á.B.); (L.G.P.)
- PhD School in Biology, University of Szeged, H6726 Szeged, Hungary
| | - József Furák
- Department of Surgery, University of Szeged, Semmelweis u. 8., H6725 Szeged, Hungary;
| | - Tünde Varga
- Laboratory of Functional Genomics, Biological Research Centre, Temesvári krt. 62., H6726 Szeged, Hungary; (N.G.); (T.V.); (P.N.); (J.Á.B.); (L.G.P.)
| | - Patrícia Neuperger
- Laboratory of Functional Genomics, Biological Research Centre, Temesvári krt. 62., H6726 Szeged, Hungary; (N.G.); (T.V.); (P.N.); (J.Á.B.); (L.G.P.)
- PhD School in Biology, University of Szeged, H6726 Szeged, Hungary
| | - József Á. Balog
- Laboratory of Functional Genomics, Biological Research Centre, Temesvári krt. 62., H6726 Szeged, Hungary; (N.G.); (T.V.); (P.N.); (J.Á.B.); (L.G.P.)
- PhD School in Biology, University of Szeged, H6726 Szeged, Hungary
| | - László G. Puskás
- Laboratory of Functional Genomics, Biological Research Centre, Temesvári krt. 62., H6726 Szeged, Hungary; (N.G.); (T.V.); (P.N.); (J.Á.B.); (L.G.P.)
- Avicor Ltd. Alsó Kikötő sor 11/D, H6726 Szeged, Hungary
| | - Gábor J. Szebeni
- Laboratory of Functional Genomics, Biological Research Centre, Temesvári krt. 62., H6726 Szeged, Hungary; (N.G.); (T.V.); (P.N.); (J.Á.B.); (L.G.P.)
- Department of Physiology, Anatomy and Neuroscience, Faculty of Science and Informatics, University of Szeged, Közép fasor 52, H6726 Szeged, Hungary
- CS-Smartlab Devices Ltd., Ady E. u. 14., H7761 Kozármisleny, Hungary
- Correspondence:
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Abstract
Acute Respiratory Distress Syndrome is a severe disorder affecting thousands of individuals worldwide. The available medical countermeasures do not sufficiently suppress the unacceptable high mortality rates associated with those in need. Thus, intense efforts aim to delineate the function of the lung endothelium, so to deliver new therapeutic approaches against this disease. The present manuscript attempts to shed light on the interrelations between the unfolded protein response and autophagy towards lung disease, to deliver a new line of possible therapeutic approaches against the ferocious Acute Respiratory Distress Syndrome.
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Affiliation(s)
- Mohammad S Akhter
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana 71201, USA
| | - Mohammad A Uddin
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana 71201, USA
| | - Khadeja-Tul Kubra
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana 71201, USA
| | - Nektarios Barabutis
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana 71201, USA
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Bartel S, Deshane J, Wilkinson T, Gabrielsson S. Extracellular Vesicles as Mediators of Cellular Cross Talk in the Lung Microenvironment. Front Med (Lausanne) 2020; 7:326. [PMID: 32850874 PMCID: PMC7417309 DOI: 10.3389/fmed.2020.00326] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 06/03/2020] [Indexed: 12/27/2022] Open
Abstract
The human lung is a complex tissue subdivided into several regions that differ in size, function, and resident cell types. Despite years of intensive research, we still do not fully understand the cross talk between these different regions and diverse cell populations in the lung and how this is altered in the development of chronic respiratory disease. The discovery of extracellular vesicles (EVs), small membrane vesicles released from cells for intercellular communication, has added another layer of complexity to cellular cross talk in the complex lung microenvironment. EVs from patients with chronic obstructive pulmonary disease, asthma, or sarcoidosis have been shown to carry microRNAs, proteins, and lipids that may contribute to inflammation or tissue degeneration. Here, we summarize the contribution of these small vesicles in the interplay of several different cell types in the lung microenvironment, with a focus on the development of chronic respiratory diseases. Although there are already many studies demonstrating the adverse effects of EVs in the diseased lung, we still have substantial knowledge gaps regarding the concrete role of EV involvement in lung disease, which should be addressed in future studies.
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Affiliation(s)
- Sabine Bartel
- Department of Pathology and Medical Biology, GRIAC Research Institute, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Jessy Deshane
- Pulmonary Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Tom Wilkinson
- Clinical and Experimental Science, Faculty of Medicine, University of Southampton, Southampton, United Kingdom
| | - Susanne Gabrielsson
- Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institute, Stockholm, Sweden.,Department of Clinical Immunology and Transfusion Medicine, Karolinska University Hospital, Stockholm, Sweden
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Zhao K, Dong R, Yu Y, Tu C, Li Y, Cui Y, Bao L, Ling C. Cigarette smoke-induced lung inflammation in COPD mediated via CCR1/JAK/STAT /NF-κB pathway. Aging (Albany NY) 2020; 12:9125-9138. [PMID: 32463796 PMCID: PMC7288948 DOI: 10.18632/aging.103180] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 04/16/2020] [Indexed: 01/24/2023]
Abstract
Inflammation is an important cause of chronic obstructive pulmonary disease (COPD) and its acute exacerbation. However, the critical role of C-C chemokine receptor (CCR)1 in progression of cigarette smoke-induced chronic inflammation remains unclear. We studied CCR1 expression using immunohistochemistry, immunofluorescence, and real-time polymerase chain reaction (RT-PCR) in COPD patients and controls. Cytokine levels in peripheral blood were measured by enzyme-linked immunosorbent assay (ELISA). In vitro, we investigated Janus kinase/signal transducers and activators of transcription (JAK/STAT)/nuclear factor-κB (NF-κB) signaling in cigarette smoke extract-induced or CCR1 deficiency/overexpressed mouse macrophage cell line MH-S by RT-PCR and western blot, and measured the cytokine levels in the supernatant with ELISA. We found that CCR1 expression was upregulated in COPD patients and there was a negative correlation between CCR1 mRNA levels and predicted % forced expiratory volume in 1 min. Inflammatory cytokine levels in the peripheral blood were higher in COPD patients than controls, and these were positively correlated with CCR1 levels. CCR1 was shown to play a critical role in regulating smoke-induced inflammation via JAK/STAT3/NF-κB signaling in vitro. CCR1 may play a critical role in airway inflammation in COPD. Additionally, understanding the molecular mechanism may help develop novel methods for the treatment of COPD.
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Affiliation(s)
- Kaishun Zhao
- Department of Respiratory Medicine, The First Affiliated Hospital of Soochow University, Jiangsu 215000, China
- Department of Respiratory Medicine, Jiading Central Hospital, Shanghai University of Medicine and Health Sciences, Shanghai 201800, China
| | - Ran Dong
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China
| | - Yanfang Yu
- Department of Respiratory Medicine, Jiading Central Hospital, Shanghai University of Medicine and Health Sciences, Shanghai 201800, China
| | - Chunlin Tu
- Department of Respiratory Medicine, Jiading Central Hospital, Shanghai University of Medicine and Health Sciences, Shanghai 201800, China
| | - Ying Li
- Department of Respiratory Medicine, Jiading Central Hospital, Shanghai University of Medicine and Health Sciences, Shanghai 201800, China
| | - YuJuan Cui
- Department of Respiratory Medicine, Jiading Central Hospital, Shanghai University of Medicine and Health Sciences, Shanghai 201800, China
| | - Lei Bao
- Department of Respiratory Medicine, The First Affiliated Hospital of Soochow University, Jiangsu 215000, China
| | - Chunhua Ling
- Department of Respiratory Medicine, The First Affiliated Hospital of Soochow University, Jiangsu 215000, China
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7
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Mamber SW, Gurel V, Lins J, Ferri F, Beseme S, McMichael J. Effects of cannabis oil extract on immune response gene expression in human small airway epithelial cells (HSAEpC): implications for chronic obstructive pulmonary disease (COPD). J Cannabis Res 2020; 2:5. [PMID: 33526116 PMCID: PMC7819312 DOI: 10.1186/s42238-019-0014-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 12/29/2019] [Indexed: 12/29/2022] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) is commonly associated with both a pro-inflammatory and a T-helper 1 (Th1) immune response. It was hypothesized that cannabis oil extract can alleviate COPD symptoms by eliciting an anti-inflammatory Th2 immune response. Accordingly, the effects of cannabis oil extract on the expression of 84 Th2 and related immune response genes in human small airways epithelial cells (HSAEpC) were investigated. Methods HSAEpC from a single donor were treated with three dilutions of a standardized cannabis oil extract (1:400, 1:800 and 1:1600) along with a solvent control (0.25% [2.5 ul/ml] ethanol) for 24 h. There were four replicates per treatment dilution, and six for the control. RNA isolated from cells were employed in pathway-focused quantitative polymerase chain reaction (qPCR) microarray assays. Results The extract induced significant (P < 0.05) changes in expression of 37 tested genes. Six genes (CSF2, IL1RL1, IL4, IL13RA2, IL17A and PPARG) were up-regulated at all three dilutions. Another two (CCL22 and TSLP) were up-regulated while six (CLCA1, CMA1, EPX, LTB4R, MAF and PMCH) were down-regulated at the 1:400 and 1:800 dilutions. The relationship of differentially-expressed genes of interest to biologic pathways was explored using the Database for Annotation, Visualization and Integrated Discovery (DAVID). Conclusions This exploratory investigation indicates that cannabis oil extract may affect expression of specific airway epithelial cell genes that could modulate pro-inflammatory or Th1 processes in COPD. These results provide a basis for further investigations and have prompted in vivo studies of the effects of cannabis oil extract on pulmonary function. Trial registration NONE (all in vitro experiments).
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Affiliation(s)
- Stephen W Mamber
- Beech Tree Labs Inc., 1 Virginia Ave, Suite 103, Providence, RI, 02905, USA.,The Institute for Therapeutic Discovery, Delanson, NY, 12053, USA
| | - Volkan Gurel
- Beech Tree Labs Inc., 1 Virginia Ave, Suite 103, Providence, RI, 02905, USA
| | - Jeremy Lins
- Beech Tree Labs Inc., 1 Virginia Ave, Suite 103, Providence, RI, 02905, USA
| | - Fred Ferri
- NCM Biotechnology, Newport, RI, 02840, USA
| | - Sarah Beseme
- Beech Tree Labs Inc., 1 Virginia Ave, Suite 103, Providence, RI, 02905, USA.
| | - John McMichael
- Beech Tree Labs Inc., 1 Virginia Ave, Suite 103, Providence, RI, 02905, USA.,The Institute for Therapeutic Discovery, Delanson, NY, 12053, USA
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Shen DD, Yang ZH, Huang J, Yang F, Lin ZW, Ou YF, Hu MH. Liuweibuqi capsules improve pulmonary function in stable chronic obstructive pulmonary disease with lung-qi deficiency syndrome by regulating STAT4/STAT6 and MMP-9/TIMP-1. PHARMACEUTICAL BIOLOGY 2019; 57:744-752. [PMID: 31679431 PMCID: PMC6844411 DOI: 10.1080/13880209.2019.1666151] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Context: Liuweibuqi (LWBQ) capsule has been reported to influence symptoms of patients with chronic obstructive pulmonary disease (COPD); however, specific function of LWBQ capsules in COPD with lung-qi deficiency syndrome remains elusive.Objective: This study investigates effect of LWBQ capsules on STAT4/STAT6 and MMP-9/TIMP-1 expression and pulmonary function in stable COPD with lung-qi deficiency syndrome.Materials and methods: Totally, 429 patients diagnosed with stable COPD and lung-qi deficiency syndrome were treated with starch capsules (each time for 9 capsules), or different doses: low (each dose for 8 capsules and 1 LWBQ capsules), medium (each time for 6 capsules and 3 LWBQ capsules), or high (each time for 9 LWBQ capsules) of LWBQ capsules for 30 days, 3 times a day. Forced expiratory volume in 1 s (FEV1), forced vital capacity (FVC), FEV1/FVC% and DLco%pred were evaluated by pulmonary function meter. STAT4/STAT6 and MMP-9/TIMP-1 expression was assessed by RT-qPCR and western blot analysis, and serum concentrations of IL-4, IFN-γ and IL-6 by ELISA.Results: Spearman rank correlation analysis and ROC curve showed that STAT4/STAT6 and MMP-9/TIMP-1 affected pulmonary functions and curative effect of stable COPD with lung-qi deficiency syndrome. After LWBQ capsule treatment, FEV1, FVC, FEV1/FVC% and DLco%pred elevated; STAT4/STAT6, MMP-9/TIMP-1, IFN-γ and IL-6 expression declined whereas IL-4 expression increased (p < 0.05). Logistic regression analysis demonstrated that FEV1/FVC was negatively correlated with STAT4/STAT6 and MMP-9/TIMP-1 expression in COPD patients.Conclusions: LWBQ capsules play a beneficial role in pulmonary function of stable COPD with lung-qi deficiency syndrome via STAT4/STAT6 and MMP-9/TIMP-1.
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Affiliation(s)
- Dan-Dan Shen
- Department of Pharmacy, The First People’s Hospital of Taicang, Affiliated Hospital of Soochow University, Taicang, P. R. China
- CONTACT Dan-Dan Shen Department of Pharmacy, The First People’s Hospital of Taicang, Soochow University, Affiliated Hospital of Soochow University, No. 58, Changsheng South Road, Taicang 215400, Jiangsu Province, P. R. China
| | - Zhong-Hui Yang
- Office of the Party and Government, The First People’s Hospital of Taicang, Affiliated Hospital of Soochow University, Taicang, P. R. China
| | - Ji Huang
- Department of Pharmacy, The First People’s Hospital of Taicang, Affiliated Hospital of Soochow University, Taicang, P. R. China
| | - Fei Yang
- Nanjing University of Chinese Medicine, Nanjing, P. R. China
| | - Zi-Wei Lin
- Nanjing University of Chinese Medicine, Nanjing, P. R. China
| | - Ying-Fei Ou
- Department of Rehabilitation Medicine, The First People’s Hospital of Taicang, Affiliated Hospital of Soochow University, Taicang, P. R. China
| | - Min-Hao Hu
- Department of Pharmacy, The First People’s Hospital of Taicang, Affiliated Hospital of Soochow University, Taicang, P. R. China
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Zhang L, Huang J, Dong R, Feng Y, Zhou M. Therapeutic potential of BLT1 antagonist for COPD: involvement of inducing autophagy and ameliorating inflammation. DRUG DESIGN DEVELOPMENT AND THERAPY 2019; 13:3105-3116. [PMID: 31564828 PMCID: PMC6732561 DOI: 10.2147/dddt.s215433] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Accepted: 08/10/2019] [Indexed: 12/22/2022]
Abstract
Purpose Leukotriene B4 (LTB4) is a major pro-inflammatory mediator that leads to the persistence of chronic inflammation in chronic obstructive pulmonary disease (COPD). The purpose of this study was to evaluate therapeutic potential of BLT1 antagonist for cigarette smoke (CS)-induced COPD and to explore the underlying mechanism. Materials and methods In vitro, autophagy proteins were determined by Western blotting in RAW264.7 macrophages treated with U75302 (BLT1 antagonist) or autophagy inhibitor in cigarette smoke extract-induced inflammation. In vivo, C57BL/6J mice were randomly divided into three groups: Control group, CS group and CS+U75302 group. After 12-week exposure, histological analysis and lung function tests were performed to evaluate the inflammatory infiltration and emphysema. The expression of inflammatory cytokines was measured by real-time PCR and enzyme-linked immunosorbent assay. Immunohistochemical analysis and Western blotting detected the expression of autophagy-related proteins. Transmission electron microscopy (TEM) showed the alterations of autophagosomes and lysosomes. Results Lower levels of inflammatory factors and autophagy markers were detected in U75302-treated cells and mice after CS exposure than control. In vitro, LC3 mRNA expression was elevated when treated with U75302. Autophagy inhibition resulted in augmented inflammatory response and autophagy proteins even with U75302 treatment. Furthermore, BLT1 antagonist decreased the number of lysosomes and autophagosomes in alveolar macrophages of mice and potentially enhanced the expression of transcriptional activation of transcription factor-EB (TFEB) in vitro and vivo. Conclusion Insufficient autophagy of macrophages was associated with LTB4-mediated inflammation in CS-exposure models. BLT1 antagonist ameliorated inflammatory response through inducing autophagy.
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Affiliation(s)
- Li Zhang
- Department of Respiratory and Critical Care Medicine, Shanghai Institute of Respiratory Disease, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,Institute of Respiratory Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Jingwen Huang
- Department of Respiratory and Critical Care Medicine, Shanghai Institute of Respiratory Disease, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,Institute of Respiratory Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Ran Dong
- Department of Respiratory Medicine, Tongji Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Yun Feng
- Department of Respiratory and Critical Care Medicine, Shanghai Institute of Respiratory Disease, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,Institute of Respiratory Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
| | - Min Zhou
- Department of Respiratory and Critical Care Medicine, Shanghai Institute of Respiratory Disease, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China.,Institute of Respiratory Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, People's Republic of China
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Bermingham ML, Walker RM, Marioni RE, Morris SW, Rawlik K, Zeng Y, Campbell A, Redmond P, Whalley HC, Adams MJ, Hayward C, Deary IJ, Porteous DJ, McIntosh AM, Evans KL. Identification of novel differentially methylated sites with potential as clinical predictors of impaired respiratory function and COPD. EBioMedicine 2019; 43:576-586. [PMID: 30935889 PMCID: PMC6557748 DOI: 10.1016/j.ebiom.2019.03.072] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 03/25/2019] [Accepted: 03/25/2019] [Indexed: 12/22/2022] Open
Abstract
Background The causes of poor respiratory function and COPD are incompletely understood, but it is clear that genes and the environment play a role. As DNA methylation is under both genetic and environmental control, we hypothesised that investigation of differential methylation associated with these phenotypes would permit mechanistic insights, and improve prediction of COPD. We investigated genome-wide differential DNA methylation patterns using the recently released 850 K Illumina EPIC array. This is the largest single population, whole-genome epigenetic study to date. Methods Epigenome-wide association studies (EWASs) of respiratory function and COPD were performed in peripheral blood samples from the Generation Scotland: Scottish Family Health Study (GS:SFHS) cohort (n = 3781; 274 COPD cases and 2919 controls). In independent COPD incidence data (n = 149), significantly differentially methylated sites (DMSs; p < 3.6 × 10−8) were evaluated for their added predictive power when added to a model including clinical variables, age, sex, height and smoking history using receiver operating characteristic analysis. The Lothian Birth Cohort 1936 (LBC1936) was used to replicate association (n = 895) and prediction (n = 178) results. Findings We identified 28 respiratory function and/or COPD associated DMSs, which mapped to genes involved in alternative splicing, JAK-STAT signalling, and axon guidance. In prediction analyses, we observed significant improvement in discrimination between COPD cases and controls (p < .05) in independent GS:SFHS (p = .016) and LBC1936 (p = .010) datasets by adding DMSs to a clinical model. Interpretation Identification of novel DMSs has provided insight into the molecular mechanisms regulating respiratory function and aided prediction of COPD risk. Further studies are needed to assess the causality and clinical utility of identified associations. Fund Wellcome Trust Strategic Award 10436/Z/14/Z.
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Affiliation(s)
- Mairead L Bermingham
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK.
| | - Rosie M Walker
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - Riccardo E Marioni
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK; Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, UK
| | - Stewart W Morris
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - Konrad Rawlik
- Division of Genetics and Genomics, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, Easter Bush, Roslin, UK
| | - Yanni Zeng
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - Archie Campbell
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK; Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK
| | - Paul Redmond
- Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh, UK
| | - Heather C Whalley
- Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh, UK
| | - Mark J Adams
- Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh, UK
| | - Caroline Hayward
- Medical Research Council Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK
| | - Ian J Deary
- Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, UK; Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh, UK
| | - David J Porteous
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK; Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, UK
| | - Andrew M McIntosh
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK; Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, UK; Division of Psychiatry, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh, UK
| | - Kathryn L Evans
- Centre for Genomic and Experimental Medicine, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK; Centre for Cognitive Ageing and Cognitive Epidemiology, University of Edinburgh, Edinburgh, UK
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11
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Shin NR, Kim C, Seo CS, Ko JW, Cho YK, Kim JC, Kim JS, Shin IS. So-Cheong-Ryoung-Tang Attenuates Pulmonary Inflammation Induced by Cigarette Smoke in Bronchial Epithelial Cells and Experimental Mice. Front Pharmacol 2018; 9:1064. [PMID: 30298007 PMCID: PMC6160558 DOI: 10.3389/fphar.2018.01064] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 09/03/2018] [Indexed: 12/31/2022] Open
Abstract
So-Cheong-Ryoung-Tang is a traditionally used herbal formula for the treatment of pulmonary diseases in China, Korea, and Japan. We investigated the protective effects of So-Cheong-Ryong-Tang water extract (SCWE) in cigarette smoke concentrate (CSC) stimulated human airway epithelial cell line NCI-H292 and mice exposed cigarette smoke (CS) and lipopolysaccharide (LPS). In the CSC-stimulated NCI-H292 cells, SCWE inhibited proinflammatory cytokines in a concentration-dependent manner, as evidenced by a reduction in their mRNA levels. Also, SCWE significant reduced inducible nitric oxide synthase (iNOS) expression and nuclear factor kappa B (NF-κB) phosphorylation in CSC-stimulated cells. The mice were exposed to CS for 1 h per day (a total of eight cigarettes per day) for 7 days and received LPS intranasally on day 5. The mice were administered a dose of SCWE (100 and 200 mg/kg) 1 h before CS exposure. In in vivo, SCWE decreased the inflammatory cell count and reduced the expression of the proinflammatory cytokines in the broncho-alveolar lavage fluid (BALF) compared with CS and LPS exposed mice. SCWE attenuated inflammatory cell infiltration in airway induced by CS and LPS exposure, and this decrease was accompanied by a reduction in the expression levels of iNOS and MMP-9 in lung tissue. The extract also inhibited the phosphorylation of inhibitor of kappa B alpha (IκBα) and NF-κB induced by CS and LPS exposure in lung tissue. These results suggest that SCWE may effectively inhibit airway inflammatory responses induced by CS and LPS exposure via the NF-κB pathway. Therefore, SCWE may be a potential treatment for airway inflammatory diseases, such as chronic obstructive pulmonary disease (COPD).
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Affiliation(s)
- Na-Rae Shin
- BK21 Plus Project Team, College of Veterinary Medicine, Chonnam National University, Gwangju, South Korea
| | - Chul Kim
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon, South Korea
| | - Chang-Seob Seo
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon, South Korea
| | - Je-Won Ko
- BK21 Plus Project Team, College of Veterinary Medicine, Chonnam National University, Gwangju, South Korea
| | - Young-Kwon Cho
- College of Health Sciences, Cheongju University, Cheongju, South Korea
| | - Jong-Choon Kim
- BK21 Plus Project Team, College of Veterinary Medicine, Chonnam National University, Gwangju, South Korea
| | - Joong-Sun Kim
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon, South Korea
| | - In-Sik Shin
- BK21 Plus Project Team, College of Veterinary Medicine, Chonnam National University, Gwangju, South Korea
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12
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Kodidela S, Ranjit S, Sinha N, McArthur C, Kumar A, Kumar S. Cytokine profiling of exosomes derived from the plasma of HIV-infected alcohol drinkers and cigarette smokers. PLoS One 2018; 13:e0201144. [PMID: 30052665 PMCID: PMC6063410 DOI: 10.1371/journal.pone.0201144] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 07/09/2018] [Indexed: 12/12/2022] Open
Abstract
Cytokines and chemokines circulate in plasma and may be transferred to distant sites, via exosomes. HIV infection is associated with dysregulation of cytokines and chemokines, which subsequently contribute to the pathogenesis of HIV. Alcohol and tobacco exposure, which are prevalent in HIV-infected individuals, may induce changes in the expression of cytokines and chemokines. Therefore, our aim in this study was to quantify plasma exosomal cytokines and chemokines that we expect to exacerbate toxicity or disease progression in HIV-positive drug abusers. We measured the levels of cytokines and chemokines in the plasma and plasma exosomes of 39 patients comprising six groups: HIV-negative and HIV-positive non drug abusers, HIV-negative and HIV-positive alcohol users, and HIV-negative and HIV positive tobacco smokers. We measured six cytokines (TNF-α, IL-1β, IL-8, IL-6, IL-1ra, IL-10) and two chemokines (MCP-1 and RANTES). All were present in exosomes of healthy subjects, but their levels varied between different study groups. HIV-positive alcohol drinkers had higher levels of plasma IL-8 compared to those of HIV-positive non-drinkers. The IL-1ra level was significantly higher in exosomes of non-HIV-infected alcohol drinkers compared to those of HIV-positive alcohol drinkers. Interestingly, the IL-10 level was higher in exosomes compared with their respective plasma levels in all study groups except HIV-positive non-alcohol drinkers. IL-10 was completely packaged in exosomes of HIV-positive smokers. HIV-positive smokers had significantly higher levels of plasma IL-8 compared with HIV-positive non-smokers and significantly higher exosomal IL-6 levels compared with HIV-negative subjects. HIV-positive smokers had significantly increased plasma levels of IL-1ra compared to HIV-positive non-smokers. The MCP-1 levels in the plasma of HIV-positive smokers was significantly higher than in either HIV-positive non-drug abusers or HIV-negative smokers. Overall, the findings suggest that plasma cytokines and chemokines are packaged in exosomes at varying degrees in different study groups. Exosomal cytokines and chemokines are likely to have a significant biological role at distant sites including cells in the brain.
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Affiliation(s)
- Sunitha Kodidela
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, United States of America
| | - Sabina Ranjit
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, United States of America
| | - Namita Sinha
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, United States of America
| | - Carole McArthur
- Department of Oral and Craniofacial Science, School of Dentistry, University of Missouri-Kansas City, Kansas City, Missouri, United States of America
| | - Anil Kumar
- Division of Pharmacology and Toxicology, School of Pharmacy, University of Missouri-Kansas City, Kansas City, Missouri, United States of America
| | - Santosh Kumar
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Tennessee Health Science Center, Memphis, TN, United States of America
- * E-mail:
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13
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Xie L, Chen W, Dong R, He B, Zhao K, Zhang L, Zhou M, He P. Function of macrophage scavenger receptor 1 gene polymorphisms in chronic obstructive pulmonary disease with and without lung cancer in China. Oncol Lett 2018; 15:8046-8052. [PMID: 29731913 DOI: 10.3892/ol.2018.8311] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 08/10/2017] [Indexed: 11/05/2022] Open
Abstract
The present study assessed the association between the variants of macrophage scavenger receptor (MSR)1 and chronic obstructive pulmonary disease (COPD), with or without lung cancer in China. COPD and lung cancer were previously regarded as two separate diseases. However, it has since been reported that there are close associations between COPD and lung cancer. Lung cancer may be an outcome of COPD. COPD may also coexist with lung cancer, and patients with COPD with lung cancer tend to have increased mortality. It is important to have a better understanding of the pathogenesis of COPD and the reason why it develops into lung cancer. MSR1 serves a crucial function in phagocytosis, which may be associated with the pathogenesis of COPD and lung cancer in patients with COPD. From 1 July 2015 to 20 February 2016, 100 patients with COPD and lung cancer, 100 patients with COPD without lung cancer and 100 healthy smokers were enrolled at the Shanghai Ruijin Hospital (Shanghai, China) for the genotyping of eight single-nucleotide polymorphisms (SNPs; ex3P36A_C>G, ex3S41Y_C>A, ex4V113A_T>C, ex4P174Y_G>T, ex6P275A_C>G, ex6R293×_C>T, ex10G369S_G>A and ex11H441R_A>G) via gene sequencing. The genotype frequencies of these SNPs did not significantly differ between patients with COPD with and without lung cancer, and the healthy controls. However, during DNA sequencing, the SNP rs13306550 (IVS4+3A>G) was identified in the splice donor site and was significantly associated with an increased risk of COPD compared with the healthy smokers (P=0.0053). The present study demonstrated that the variant rs13306550 was a risk factor for COPD susceptibility, but that did not influence lung cancer pathogenesis in patients with COPD. However, the mechanisms underlying the influence of rs13306550 on COPD development and progression remain to be elucidated and require further study.
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Affiliation(s)
- Liang Xie
- Department of Pulmonary and Critical Care Medicine, Shanghai Institute of Respiratory Disease, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P.R. China
| | - Wei Chen
- Department of Pulmonary and Critical Care Medicine, Shanghai Institute of Respiratory Disease, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P.R. China
| | - Ran Dong
- Department of Pulmonary and Critical Care Medicine, Shanghai Institute of Respiratory Disease, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P.R. China
| | - Bin He
- Department of Pulmonary and Critical Care Medicine, Shanghai Institute of Respiratory Disease, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P.R. China
| | - Kaishun Zhao
- Department of Respiration, Jiading Central Hospital, Shanghai 201800, P.R. China
| | - Li Zhang
- Department of Pulmonary and Critical Care Medicine, Shanghai Institute of Respiratory Disease, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P.R. China
| | - Min Zhou
- Department of Pulmonary and Critical Care Medicine, Shanghai Institute of Respiratory Disease, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P.R. China
| | - Ping He
- Department of Microbiology and Parasitology, Institutes of Medical Sciences, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P.R. China
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Sommakia S, Baker OJ. Regulation of inflammation by lipid mediators in oral diseases. Oral Dis 2017; 23:576-597. [PMID: 27426637 PMCID: PMC5243936 DOI: 10.1111/odi.12544] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Revised: 07/08/2016] [Accepted: 07/13/2016] [Indexed: 02/06/2023]
Abstract
Lipid mediators (LM) of inflammation are a class of compounds derived from ω-3 and ω-6 fatty acids that play a wide role in modulating inflammatory responses. Some LM possess pro-inflammatory properties, while others possess proresolving characteristics, and the class switch from pro-inflammatory to proresolving is crucial for tissue homeostasis. In this article, we review the major classes of LM, focusing on their biosynthesis and signaling pathways, and their role in systemic and, especially, oral health and disease. We discuss the detection of these LM in various body fluids, focusing on diagnostic and therapeutic applications. We also present data showing gender-related differences in salivary LM levels in healthy controls, leading to a hypothesis on the etiology of inflammatory diseases, particularly Sjögren's syndrome. We conclude by enumerating open areas of research where further investigation of LM is likely to result in therapeutic and diagnostic advances.
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Affiliation(s)
- Salah Sommakia
- School of Dentistry, The University of Utah, Salt Lake City, UT, USA
| | - Olga J. Baker
- School of Dentistry, The University of Utah, Salt Lake City, UT, USA
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15
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Tu ZL, Zhou ZY, Xu HC, Cao JL, Ye P, Wang LM, Lv W, Hu J. LTB4 and montelukast in transplantation-related bronchiolitis obliterans in rats. J Cardiothorac Surg 2017; 12:43. [PMID: 28545478 PMCID: PMC5445521 DOI: 10.1186/s13019-017-0605-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 05/11/2017] [Indexed: 02/07/2023] Open
Abstract
Background Lung transplantation is the only effective treatment for end-stage lung diseases. Bronchiolitis obliterans, which is known as non-infectious chronic lung allograft dysfunction (CLAD) in the new classification, is the greatest threat to long-term survival after lung transplantation. This study investigated the role of leukotriene B4 (LTB4) and montelukast in transplantation-related bronchiolitis obliterans and discussed the pathophysiological significance of LTB4 in chronic rejection. Methods Rats were randomly divided into an experimental group (montelukast), a positive control group (dexamethasone), and a blank control group (normal saline solution; NS). Each piece of trachea removed from a F344 rat was transplanted into a Lewis rat through a 5-mm incision at the episternum by subcutaneous embedding. The recipients were treated with gastric lavage with 3 mg/kg · d montelukast suspension, 1 mg/kg · d dexamethasone, and 1 mL/kg · d NS, respectively, in each group. On Day 28, peripheral blood was drawn to measure the white blood cell counts and plasma LTB4 levels. The donor specimens were stained by H-E and Masson, and their organizational structure and extent of fibrosis were visually assessed. The measurement data were compared using one-way analysis of variance, and the categorical data were compared using the chi-square test. A P value of less than 0.05 was considered to indicate statistical significance. Results The white blood cell counts of the montelukast, dexamethasone, and NS groups were (16.0 ± 4.2) × 109/L, (19.5 ± 11.6) × 109/L, and (25.8 ± 3.6) × 109/L; no statistical significance was found (P = 0.101). The concentrations of LTB4 were 2230 ± 592 pg/mL, 1961 ± 922 pg/mL, and 3764 ± 1169 pg/mL, and statistical significance was found between the NS group and each of the others (P = 0.009). The percentages of tracheal occlusion were 73.6% ± 13.8%, 23.4% ± 3.2%, and 89.9% ± 11.3%, and statistical significance was found among the three groups (P = 0.000). Conclusions The study established a model to simulate bronchiolitis obliterans after clinical lung transplantation. Oral administration of montelukast reduced plasma LTB4 levels in rats and played a preventive role against tracheal fibrosis after transplantation. This suggests that LTB4 may be involved in bronchiolitis obliterans after pulmonary transplantation. This study indicates a new direction for research into the prevention and treatment of bronchiolitis obliterans after lung transplantation.
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Affiliation(s)
- Zheng-Liang Tu
- Department of Thoracic Surgery, the First Affiliated Hospital, College of Medicine, Zhejiang University, NO. 79 Qingchun Road, Hangzhou, 310003, China
| | - Zhen-Yu Zhou
- Department of Thoracic Surgery, the First Affiliated Hospital, College of Medicine, Zhejiang University, NO. 79 Qingchun Road, Hangzhou, 310003, China
| | - Hai-Chao Xu
- Department of Thoracic Surgery, the First Affiliated Hospital, College of Medicine, Zhejiang University, NO. 79 Qingchun Road, Hangzhou, 310003, China
| | - Jin-Lin Cao
- Department of Thoracic Surgery, the First Affiliated Hospital, College of Medicine, Zhejiang University, NO. 79 Qingchun Road, Hangzhou, 310003, China
| | - Peng Ye
- Department of Thoracic Surgery, the First Affiliated Hospital, College of Medicine, Zhejiang University, NO. 79 Qingchun Road, Hangzhou, 310003, China
| | - Lu-Ming Wang
- Department of Thoracic Surgery, the First Affiliated Hospital, College of Medicine, Zhejiang University, NO. 79 Qingchun Road, Hangzhou, 310003, China
| | - Wang Lv
- Department of Thoracic Surgery, the First Affiliated Hospital, College of Medicine, Zhejiang University, NO. 79 Qingchun Road, Hangzhou, 310003, China
| | - Jian Hu
- Department of Thoracic Surgery, the First Affiliated Hospital, College of Medicine, Zhejiang University, NO. 79 Qingchun Road, Hangzhou, 310003, China.
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16
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Zimmer J, Weitnauer M, Boutin S, Küblbeck G, Thiele S, Walker P, Lasitschka F, Lunding L, Orinska Z, Vock C, Arnold B, Wegmann M, Dalpke A. Nuclear Localization of Suppressor of Cytokine Signaling-1 Regulates Local Immunity in the Lung. Front Immunol 2016; 7:514. [PMID: 27917175 PMCID: PMC5114302 DOI: 10.3389/fimmu.2016.00514] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 11/04/2016] [Indexed: 01/14/2023] Open
Abstract
Suppressor of cytokine signaling 1 (SOCS1) is a negative feedback inhibitor of cytoplasmic Janus kinase and signal transducer and activator of transcription (STAT) signaling. SOCS1 also contains a nuclear localization sequence (NLS), yet, the in vivo importance of nuclear translocation is unknown. We generated transgenic mice containing mutated Socs1ΔNLS that fails to translocate in the cell nucleus (MGLtg mice). Whereas mice fully deficient for SOCS1 die within the first 3 weeks due to excessive interferon signaling and multiorgan inflammation, mice expressing only non-nuclear Socs1ΔNLS (Socs1-/-MGLtg mice) were rescued from early lethality. Canonical interferon gamma signaling was still functional in Socs1-/-MGLtg mice as shown by unaltered tyrosine phosphorylation of STAT1 and whole genome expression analysis. However, a subset of NFκB inducible genes was dysregulated. Socs1-/-MGLtg mice spontaneously developed low-grade inflammation in the lung and had elevated Th2-type cytokines. Upon ovalbumin sensitization and challenge, airway eosinophilia was increased in Socs1-/-MGLtg mice. Decreased transepithelial electrical resistance in trachea epithelial cells from Socs1-/-MGLtg mice suggests disrupted epithelial cell barrier. The results indicate that nuclear SOCS1 is a regulator of local immunity in the lung and unravel a so far unrecognized function for SOCS1 in the cell nucleus.
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Affiliation(s)
- Jana Zimmer
- Department of Infectious Diseases, Medical Microbiology and Hygiene, University Hospital Heidelberg , Heidelberg , Germany
| | - Michael Weitnauer
- Department of Infectious Diseases, Medical Microbiology and Hygiene, University Hospital Heidelberg , Heidelberg , Germany
| | - Sébastien Boutin
- Department of Infectious Diseases, Medical Microbiology and Hygiene, University Hospital Heidelberg, Heidelberg, Germany; Translational Lung Research Center Heidelberg (TLRC), Heidelberg, Germany; German Center for Lung Research (DZL), Germany
| | | | - Sabrina Thiele
- Department of Infectious Diseases, Medical Microbiology and Hygiene, University Hospital Heidelberg , Heidelberg , Germany
| | - Patrick Walker
- Department of Infectious Diseases, Medical Microbiology and Hygiene, University Hospital Heidelberg , Heidelberg , Germany
| | - Felix Lasitschka
- Institute of Pathology, University Hospital Heidelberg , Heidelberg , Germany
| | - Lars Lunding
- German Center for Lung Research (DZL), Germany; Division of Asthma Mouse Model, Research Center Borstel, Borstel, Germany; Airway Research Center North, Borstel, Germany
| | - Zane Orinska
- German Center for Lung Research (DZL), Germany; Airway Research Center North, Borstel, Germany; Division of Experimental Pneumology, Prority Area Asthma & Allergy, Research Center Borstel, Borstel, Germany
| | - Christina Vock
- German Center for Lung Research (DZL), Germany; Airway Research Center North, Borstel, Germany; Division of Experimental Pneumology, Prority Area Asthma & Allergy, Research Center Borstel, Borstel, Germany
| | - Bernd Arnold
- German Cancer Research Center (DKFZ) , Heidelberg , Germany
| | - Michael Wegmann
- German Center for Lung Research (DZL), Germany; Division of Asthma Mouse Model, Research Center Borstel, Borstel, Germany; Airway Research Center North, Borstel, Germany
| | - Alexander Dalpke
- Department of Infectious Diseases, Medical Microbiology and Hygiene, University Hospital Heidelberg, Heidelberg, Germany; Translational Lung Research Center Heidelberg (TLRC), Heidelberg, Germany; German Center for Lung Research (DZL), Germany
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