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de Oliveira JR, Pereira ABM, de Souza HI, Dos Santos WM, de Assunção TSF, de Vito FB, de Souza HM, da Silva PR, da Silva MV, Junior VR, Rogerio AP. Anti-inflammatory actions of aspirin-triggered resolvin D1 (AT-RvD1) in bronchial epithelial cells stimulated by cigarette smoke extract. Prostaglandins Other Lipid Mediat 2024; 172:106833. [PMID: 38460760 DOI: 10.1016/j.prostaglandins.2024.106833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 03/01/2024] [Accepted: 03/06/2024] [Indexed: 03/11/2024]
Abstract
Smoking causes several diseases such as chronic obstructive pulmonary disease (COPD). Aspirin-triggered-resolvin D1 (AT-RvD1) is a lipid mediator produced during the resolution of inflammation and demonstrates anti-inflammatory and pro-resolution effects in several inflammatory experimental models including in the airways. Here we evaluated the role of AT-RvD1 (100 nM) in bronchial epithelial cells (BEAS-2B) stimulated by cigarette smoke extract (CSE; 1%; 1 cigarette) for 24 h. CSE induced the productions of IL-1β, TNF-α, IL-10, IL-4 and IFN-γ as well as the activations of NF-κB and STAT3 and the expression of ALX/FPR2 receptor. AT-RvD1 reduced the IL-1β and TNF-α production and increased the production of IFN-γ. These effects were reversed BOC2, an antagonist of ALX/FPR2 receptor for AT-RvD1. The production of IL-4 and IL-10 were not altered by AT-RvD1. In addition, AT-RvD1 reduced the phosphorylation of NF-κB and STAT3 when compared to CSE-stimulated BEAS-2B cells. No alteration of ALX/FPR2 expression was observed by AT-RvD1 when compared to CSE group. In the human monocytic leukemia cell line, the relative number of copies of IL-1β and IL-4 was significantly higher in CSE + AT-RvD1 group compared CSE group, however, the expression of M1 cytokine was more pronounced than M2 profile. AT-RvD1 could be an important target for the reduction of inflammation in the airways associated with smoking.
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Affiliation(s)
- Jhony Robson de Oliveira
- Institute of Health Sciences, Department of Clinical Medicine, Laboratory of Experimental Immunopharmacology, Federal University of Triângulo Mineiro, Uberaba, MG 38025-350, Brazil
| | - Aline Beatriz Mahler Pereira
- Institute of Health Sciences, Department of Clinical Medicine, Laboratory of Experimental Immunopharmacology, Federal University of Triângulo Mineiro, Uberaba, MG 38025-350, Brazil
| | - Henrique Ismarsi de Souza
- Institute of Health Sciences, Department of Clinical Medicine, Laboratory of Experimental Immunopharmacology, Federal University of Triângulo Mineiro, Uberaba, MG 38025-350, Brazil
| | - Wanessa Maria Dos Santos
- Institute of Health Sciences, Department of Clinical Medicine, Laboratory of Experimental Immunopharmacology, Federal University of Triângulo Mineiro, Uberaba, MG 38025-350, Brazil
| | - Thaís Sorares Farnesi de Assunção
- Laboratory of Immunology, Institute of Biological and Natural Sciences, Department of Microbiology, Immunology and Parasitology, Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Fernanda Bernadelli de Vito
- Institute of Biological and Natural Sciences, Department of Genetics, Federal University of Triangulo Mineiro, Uberaba, MG, Brazil
| | - Helio Moraes de Souza
- Laboratory of Immunology, Institute of Biological and Natural Sciences, Department of Microbiology, Immunology and Parasitology, Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Paulo Roberto da Silva
- Institute of Health Sciences, Department of Clinical Medicine, Laboratory of Experimental Immunopharmacology, Federal University of Triângulo Mineiro, Uberaba, MG 38025-350, Brazil
| | - Marcos Vinicius da Silva
- Laboratory of Parasitology, Institute of Biological and Natural Sciences, Department of Microbiology, Immunology and Parasitology, Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Virmondes Rodrigues Junior
- Laboratory of Immunology, Institute of Biological and Natural Sciences, Department of Microbiology, Immunology and Parasitology, Federal University of Triângulo Mineiro, Uberaba, Minas Gerais, Brazil
| | - Alexandre Paula Rogerio
- Institute of Health Sciences, Department of Clinical Medicine, Laboratory of Experimental Immunopharmacology, Federal University of Triângulo Mineiro, Uberaba, MG 38025-350, Brazil.
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Olímpio F, Andreata-Santos R, Rosa PC, Santos W, Oliveira C, Aimbire F. Lactobacillus rhamnosus Restores Antiviral Signaling and Attenuates Cytokines Secretion from Human Bronchial Epithelial Cells Exposed to Cigarette Smoke and Infected with SARS-CoV-2. Probiotics Antimicrob Proteins 2023; 15:1513-1528. [PMID: 36346611 PMCID: PMC9643982 DOI: 10.1007/s12602-022-09998-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/28/2022] [Indexed: 11/11/2022]
Abstract
Individuals with chronic obstructive pulmonary disease (COPD) are more susceptible to exacerbation crisis triggered by secondary lung infections due to the dysfunction of antiviral signaling, principally via suppression of IFN-γ. Although the probiotic is known for controlling pulmonary inflammation in COPD, the influence of the Lactobacillus rhamnosus (Lr) on antiviral signaling in bronchial epithelium exposed to cigarette smoke extract (CSE) and viruses, remains unknown. Thus, the present study investigated the Lr effect on the antiviral signaling and the secretion of inflammatory mediators from bronchial epithelial cells (16HBE cells) exposed to CSE and SARS-CoV-2. The 16HBE cells were cultured, treated with Lr, stimulated with CSE, and infected with SARS-CoV-2. The cellular viability was evaluated using the MTT assay and cytotoxicity measured by lactate dehydrogenase (LDH) activity. The viral load, TLR2, TLR3, TLR4, TLR7, TLR8, MAVS, MyD88, and TRIF were quantified using specific PCR. The pro-inflammatory mediators were measured by a multiplex biometric immunoassay, and angiotensin converting enzyme 2 (ACE2) activity, NF-κB, RIG-I, MAD5, and IRF3 were measured using specific ELISA kits. Lr decreased viral load, ACE2, pro-inflammatory mediators, TLR2, TLR4, NF-κB, TLR3, TLR7, and TLR8 as well as TRIF and MyD88 expression in CSE and SARS-CoV-2 -exposed 16HBE cells. Otherwise, RIG-I, MAD5, IRF3, IFN-γ, and the MAVS expression were restored in 16HBE cells exposed to CSE and SARS-CoV-2 and treated with Lr. Lr induces antiviral signaling associated to IFN-γ secreting viral sensors and attenuates cytokine storm associated to NF-κB in bronchial epithelial cells, supporting its emerging role in prevention of COPD exacerbation.
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Affiliation(s)
- Fabiana Olímpio
- Department of Medicine, Postgraduate Program in Translational Medicine, Federal University of São Paulo (UNIFESP), Rua Pedro De Toledo 720 - 2° Andar, Vila Clementino, São Paulo, SP, 04039-002, Brazil
- Department of Science and Technology, Lab. Immunopharmacology, Federal University of São Paulo (UNIFESP), Rua Talim, 330, Vila Nair, São José dos Campos, SP, 12231-280, Brazil
| | - Robert Andreata-Santos
- Department of Microbiology, Immunology, and Parasitology, Lab. Retrovirology, Federal University of São Paulo, Rua Botucatu 862 - 6° Andar, Vila Clementino, São Paulo, SP, 04023-062, Brazil
| | - Paloma Cristina Rosa
- Department of Science and Technology, Lab. Immunopharmacology, Federal University of São Paulo (UNIFESP), Rua Talim, 330, Vila Nair, São José dos Campos, SP, 12231-280, Brazil
| | - Wellington Santos
- Nucleus of Research in Biotechnology - State University of Piaui, Teresina, PI, CEP, 64003-120, Brazil
| | - Carlos Oliveira
- Department of Science and Technology, Postgraduate Program in Biomedical Engineering, Federal University of São Paulo (UNIFESP), Rua Talim, 330, Vila Nair, São José dos Campos, SP, 12231-280, Brazil
| | - Flavio Aimbire
- Department of Medicine, Postgraduate Program in Translational Medicine, Federal University of São Paulo (UNIFESP), Rua Pedro De Toledo 720 - 2° Andar, Vila Clementino, São Paulo, SP, 04039-002, Brazil.
- Department of Science and Technology, Lab. Immunopharmacology, Federal University of São Paulo (UNIFESP), Rua Talim, 330, Vila Nair, São José dos Campos, SP, 12231-280, Brazil.
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Kwak DW, Park D, Kim JH. Leukotriene B 4 Receptor 2 Mediates the Production of G-CSF That Plays a Critical Role in Steroid-Resistant Neutrophilic Airway Inflammation. Biomedicines 2022; 10:biomedicines10112979. [PMID: 36428547 PMCID: PMC9687517 DOI: 10.3390/biomedicines10112979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/17/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022] Open
Abstract
Granulocyte colony-stimulating factor (G-CSF) has been suggested to be closely associated with neutrophilic asthma pathogenesis. However, little is known about the factors regulating the production of G-CSF in neutrophilic asthma. We previously reported that a leukotriene B4 receptor 2, BLT2, played an important role in neutrophilic airway inflammation. Therefore, in the current study, we investigated whether BLT2 plays a role in the production of G-CSF in lipopolysaccharide/ovalbumin (LPS/OVA)-induced steroid-resistant neutrophilic asthma. The data showed that BLT2 critically mediated G-CSF production, contributing to the progression of neutrophilic airway inflammation. We also observed that 12-lipoxygenase (12-LO), which catalyzes the synthesis of the BLT2 ligand 12(S)-HETE, was also necessary for G-CSF production. Together, these results suggest that the 12-LO-BLT2-linked signaling network is critical for the production of G-CSF, contributing to the development of neutrophilic airway inflammation. Our findings can provide a potential new target for the therapy of severe neutrophilic asthma.
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Affiliation(s)
- Dong-Wook Kwak
- Department of Biotechnology, College of Life Sciences, Korea University, Seoul 02841, Republic of Korea
| | - Donghwan Park
- Department of Biotechnology, College of Life Sciences, Korea University, Seoul 02841, Republic of Korea
| | - Jae-Hong Kim
- Department of Life Sciences, College of Life Sciences, Korea University, Seoul 02841, Republic of Korea
- Correspondence: ; Tel.: +82-2-3290-3452
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Leukotriene B4 receptor-2 contributes to KRAS-driven lung tumor formation by promoting interleukin-6-mediated inflammation. Exp Mol Med 2021; 53:1559-1568. [PMID: 34635780 PMCID: PMC8569214 DOI: 10.1038/s12276-021-00682-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 06/17/2021] [Accepted: 08/08/2021] [Indexed: 12/13/2022] Open
Abstract
Although lung cancer is the leading cause of cancer-related deaths worldwide and KRAS is the most frequently mutated oncogene in lung cancer cases, the mechanism by which KRAS mutation drives lung cancer has not been fully elucidated. Here, we report that the expression levels of leukotriene B4 receptor-2 (BLT2) and its ligand-producing enzymes (5-LOX, 12-LOX) were highly increased by mutant KRAS and that BLT2 or 5-/12-LOX blockade attenuated KRAS-driven lung cell proliferation and production of interleukin-6 (IL-6), a principal proinflammatory mediator of lung cancer development. Next, we explored the roles of BLT2 and 5-/12-LOX in transgenic mice with lung-specific expression of mutant KRAS (KrasG12D) and observed that BLT2 or 5-/12-LOX inhibition decreased IL-6 production and tumor formation. To further determine whether BLT2 is involved in KRAS-driven lung tumor formation, we established a KrasG12D/BLT2-KO double-mutant mouse model. In the double-mutant mice, we observed significantly suppressed IL-6 production and lung tumor formation. Additionally, we observed high BLT2 expression in tissue samples from patients with KrasG12D-expressing lung adenocarcinoma, supporting the contributory role of BLT2 in KRAS-driven human lung cancer. Collectively, our results suggest that BLT2 is a potential contributor to KRAS-driven lung cancer and identify an attractive therapeutic target for KRAS-driven lung cancer.
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Leukotriene B 4 Receptors Are Necessary for the Stimulation of NLRP3 Inflammasome and IL-1β Synthesis in Neutrophil-Dominant Asthmatic Airway Inflammation. Biomedicines 2021; 9:biomedicines9050535. [PMID: 34064821 PMCID: PMC8151312 DOI: 10.3390/biomedicines9050535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 04/30/2021] [Accepted: 05/06/2021] [Indexed: 11/17/2022] Open
Abstract
The stimulation of the NOD-, LRR- and pyrin domain-containing protein 3 (NLRP3) inflammasome and IL-1β synthesis are associated with chronic respiratory diseases such as neutrophil-dominant severe asthma. Leukotriene B4 (LTB4) is a principal chemoattractant molecule for neutrophil recruitment, and its receptors BLT1 and BLT2 have been suggested to contribute to neutrophil-dominant asthmatic airway inflammation. However, the relationship between BLT1/2 and NLRP3 in neutrophil-dominant asthmatic airway inflammation has not been previously studied. In the present study, we investigated whether BLT1/2 play any roles in stimulating the NLRP3 inflammasome and IL-1βsynthesis. The blockade of BLT1 or BLT2 clearly suppressed the stimulation of the NLRP3 inflammasome and IL-1β synthesis in house dust mite (HDM)/lipopolysaccharide (LPS)-induced neutrophilic airway inflammation. The enzymes 5-lipoxygenase and 12-lipoxygenase, which catalyze the synthesis of BLT1/2 ligands [LTB4, 12(S)-hydroxyeicosatetraenoic acid (12(S)-HETE), and 12-hydroxyheptadecatreinoic acid (12-HHT)], were also critically associated with the stimulation of NLRP3 and IL-1β synthesis. Together, our results suggest that the 5-/12-LOX-BLT1/2-linked cascade are necessary for the simulation of the NLRP3 inflammasome and IL-1β synthesis, thus contributing to HDM/LPS-induced neutrophil-dominant airway inflammation.
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Kwak DW, Park D, Kim JH. Leukotriene B 4 receptors play critical roles in house dust mites-induced neutrophilic airway inflammation and IL-17 production. Biochem Biophys Res Commun 2020; 534:646-652. [PMID: 33256981 DOI: 10.1016/j.bbrc.2020.11.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 11/06/2020] [Indexed: 01/29/2023]
Abstract
Increased levels of neutrophils in bronchoalveolar lavage fluid (BALF) were associated with asthma severity. As leukotriene B4 (LTB4) is a principal chemoattractant molecule for neutrophils, its receptors, BLT1 and BLT2, may contribute to neutrophil-dominant airway inflammation. In the present study, we established a mouse model of steroid-resistant, neutrophil-dominant airway inflammation by house dust mite (HDM)/lipopolysaccharide (LPS) sensitization and HDM challenge, and we investigated whether BLT1/BLT2 signaling was associated with the development of neutrophilic airway inflammation. Blockade of BLT1 or BLT2 significantly suppressed airway inflammation and IL-17 production in this mouse model. The 5-LO and 12-LO enzymes, which catalyze the synthesis of BLT1/BLT2 ligands, were also critically associated with neutrophil-dominant airway inflammation and the synthesis of IL-17. Collectively, our results suggest that the 5-/12-LO-BLT1/BLT2-linked cascade significantly contributes to neutrophil-dominant severe airway inflammation via IL-17 synthesis in HDM-induced neutrophilic asthma.
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Affiliation(s)
- Dong-Wook Kwak
- Department of Biotechnology, College of Life Sciences, Korea University, Seoul, 02841, Republic of Korea
| | - Donghwan Park
- Department of Biotechnology, College of Life Sciences, Korea University, Seoul, 02841, Republic of Korea
| | - Jae-Hong Kim
- Department of Biotechnology, College of Life Sciences, Korea University, Seoul, 02841, Republic of Korea.
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Mustra Rakic J, Wang XD. Role of lycopene in smoke-promoted chronic obstructive pulmonary disease and lung carcinogenesis. Arch Biochem Biophys 2020; 689:108439. [PMID: 32504553 DOI: 10.1016/j.abb.2020.108439] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/20/2020] [Accepted: 05/27/2020] [Indexed: 12/30/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) and lung cancer are a major cause of morbidity and mortality worldwide, with cigarette smoking being the single most important risk factor for both. Emerging evidence indicates alterations in reverse cholesterol transport-mediated removal of excess cholesterol from lung, and intracellular cholesterol overload to be involved in smoke-promoted COPD and lung cancer development. Since there are currently few effective treatments for COPD and lung cancer, it is important to identify food-derived, biologically active compounds, which can protect against COPD and lung cancer development. High intake of the carotenoid lycopene, as one of phytochemicals, is associated with a decreased risk of chronic lung lesions. This review article summarizes and discusses epidemiologic evidence, in vitro and in vivo studies regarding the prevention of smoke-promoted COPD and lung carcinogenesis through dietary lycopene as an effective intervention strategy. We focus on the recent research implying that lycopene preventive effect is through targeting the main genes involved in reverse cholesterol transport. This review also indicates gaps in knowledge about the function of lycopene against COPD and lung cancer, offering directions for further research.
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Affiliation(s)
- Jelena Mustra Rakic
- Nutrition and Cancer Biology Lab, Jean Mayer USDA-Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA; Biochemical and Molecular Nutrition Program, Friedman School of Nutrition and Policy, Tufts University, Boston, MA, USA
| | - Xiang-Dong Wang
- Nutrition and Cancer Biology Lab, Jean Mayer USDA-Human Nutrition Research Center on Aging (HNRCA) at Tufts University, Boston, MA, USA; Biochemical and Molecular Nutrition Program, Friedman School of Nutrition and Policy, Tufts University, Boston, MA, USA.
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8
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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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Korfei M. The underestimated danger of E-cigarettes - also in the absence of nicotine. Respir Res 2018; 19:159. [PMID: 30157845 PMCID: PMC6114529 DOI: 10.1186/s12931-018-0870-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 08/20/2018] [Indexed: 12/28/2022] Open
Affiliation(s)
- Martina Korfei
- Department of Internal Medicine II, Klinikstrasse 36, 35392, Giessen, Germany. .,Biomedical Research Center Seltersberg (BFS), Justus-Liebig-University Giessen, Schubertstrasse 81, 35392, Giessen, Germany. .,Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), 35392, Giessen, Germany.
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Gelfand EW. Importance of the leukotriene B4-BLT1 and LTB4-BLT2 pathways in asthma. Semin Immunol 2018; 33:44-51. [PMID: 29042028 DOI: 10.1016/j.smim.2017.08.005] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 06/26/2017] [Accepted: 08/06/2017] [Indexed: 12/01/2022]
Abstract
For several decades, the leukotriene pathways have been implicated as playing a central role in the pathophysiology of asthma. The presence and elevation of numerous metabolites in the blood, sputum, and bronchoalveolar lavage fluid from asthmatics or experimental animals adds support to this notion. However, targeting of the leukotriene pathways has had, in general, limited success. The single exception in asthma therapy has been targeting of the cysteinyl leukotriene receptor 1, which clinically has proven effective but only in certain clinical situations. Interference with 5-lipoxygenase has had limited success, in part due to adverse drug effects. The importance of the LTB4-BLT1 pathway in asthma pathogenesis has extensive experimental support and findings, albeit limited, from clinical samples. The LTB4-BLT1 pathway was shown to be important as a neutrophil chemoattractant. Despite observations made more than two decades ago, the LTB4-BLT1 pathway has only recently been shown to exhibit important activities on subsets of T lymphocytes, both as a chemoattractant and on lymphocyte activation, as well as on dendritic cells, the major antigen presenting cell in the lung. The role of BLT2 in asthma remains unclear. Targeting of components of the LTB4-BLT1 pathway offers innovative therapeutic opportunities especially in patients with asthma that remain uncontrolled despite intensive corticosteroid treatment.
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Affiliation(s)
- Erwin W Gelfand
- Division of Cell Biology, Department of Pediatrics, National Jewish Health, 1400 Jackson Street, Denver, CO 80206, United States.
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11
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Huang H, Ding QL, Zhu HF, Yang DF. Roles of TGF-β signaling pathway in endoplasmic reticulum stress in endothelial cells stimulated with cigarette smoke extract. Curr Med Sci 2017; 37:699-704. [PMID: 29058282 DOI: 10.1007/s11596-017-1791-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Revised: 06/20/2017] [Indexed: 12/15/2022]
Abstract
To investigate the role of signaling pathway in the effect of endoplasmic reticulum stress (ER stress) in endothelial cells stimulated with cigarette smoke extract (CSE). Human umbilical vein endothelial cells (HUVECs) were cultured and divided into 3 groups: CSE-stimulated group, CSE-stimulated with 4-PBA group, and negative control group. HUVECs were cultured and stimulated with CSE at concentrations of 5%, 10% and 20%, respectively, mRNA of CXCL-8 and GRP78 was detected by real-time PCR. ELISA was performed to test the expression of CXCL-8 protein, and neutrophils migration was detected by Transwell board test. The NF-κB, ERK, p38MAPK and transforming growth factor beta (TGF-β) were detected by flow cytometry. The mRNA of CXCL-8 and GRP78 increased in CSE-stimulated HUVECs (P<0.05). Furthermore, it was concentration-dependent. 4-PBA significantly reduced the expression of CXCL-8 protein (P<0.05) and neutrophil migration (P<0.05). The TGF-β, rather than the NF-κB, ERK and P38MAPK pathway might be involved in ER stress stimulated by CSE. CSE induced neutrophils migration by increasing the expression of CXCL-8 in endothelial cells. ER stress might play a role in the effect of neutrophils migration stimulated with CSE, and TGF-β pathway may contribute to the ER stress in HUVECs.
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Affiliation(s)
- Hong Huang
- Department of Respiratory and Critical Care Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Qiu-Li Ding
- Department of Respiratory Medicine, The Central Hospital of Xiaogan, Xiaogan, 432000, China
| | - Hui-Fen Zhu
- Department of Immunology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Dao-Feng Yang
- Department of Infectious Diseases, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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12
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Bruno A, Cipollina C, Di Vincenzo S, Siena L, Dino P, Di Gaudio F, Gjomarkaj M, Pace E. Ceftaroline modulates the innate immune and host defense responses of immunocompetent cells exposed to cigarette smoke. Toxicol Lett 2017; 279:9-15. [PMID: 28720485 DOI: 10.1016/j.toxlet.2017.07.878] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 07/03/2017] [Accepted: 07/09/2017] [Indexed: 12/16/2022]
Abstract
BACKGROUND Cigarette smoke, the principal risk factor for chronic obstructive pulmonary disease (COPD), negatively influences the effectiveness of the immune system's response to a pathogen. The antibiotic ceftaroline exerts immune-modulatory effects in bronchial epithelial cells exposed to cigarette smoke. AIMS AND METHODS The present study aims to assess the effects of ceftaroline on TLR2 and TLR4 expression, LPS binding and TNF-α and human beta defensin (HBD2) release in an undifferentiated and PMA-differentiated human monocyte cell line (THP-1) exposed or not to cigarette smoke extracts (CSE). TLR2, TLR4, and LPS binding were assessed by flow cytometry, TNF-α and HBD2 release were evaluated by ELISA. RESULTS The constitutive expression of TLR2 and TLR4 and LPS binding were higher in differentiated compared to undifferentiated THP-1 cells. In undifferentiated THP-1 cells, CSE increased TLR2 and TLR4 protein levels, LPS binding and TNF-α release and reduced HBD2 release and ceftaroline counteracted all these effects. In differentiated THP-1, CSE did not significantly affect TLR2 and TLR4 expression and LPS binding but reduced HBD2 release and increased TNF-α release. Ceftaroline counteracted the effects of CSE on HBD2 release in differentiated THP-1. CONCLUSION Ceftaroline counteracts the effect of CSE in immune cells by increasing the effectiveness of the innate immune system. This effect may also assist in reducing pathogen activity and recurrent exacerbations in COPD patients.
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Affiliation(s)
- A Bruno
- Istituto di Biomedicina e Immunologia Molecolare, Consiglio Nazionale delle Ricerche, Palermo, Italy
| | - C Cipollina
- Istituto di Biomedicina e Immunologia Molecolare, Consiglio Nazionale delle Ricerche, Palermo, Italy; Fondazione Ri.MED, Palermo, Italy
| | - S Di Vincenzo
- Istituto di Biomedicina e Immunologia Molecolare, Consiglio Nazionale delle Ricerche, Palermo, Italy
| | - L Siena
- Istituto di Biomedicina e Immunologia Molecolare, Consiglio Nazionale delle Ricerche, Palermo, Italy
| | - P Dino
- Istituto di Biomedicina e Immunologia Molecolare, Consiglio Nazionale delle Ricerche, Palermo, Italy
| | - F Di Gaudio
- DiBiMeF (Biopatologia e Biotecnologie Mediche e Forensi), Università degli Studi di Palermo, Italy
| | - M Gjomarkaj
- Istituto di Biomedicina e Immunologia Molecolare, Consiglio Nazionale delle Ricerche, Palermo, Italy
| | - E Pace
- Istituto di Biomedicina e Immunologia Molecolare, Consiglio Nazionale delle Ricerche, Palermo, Italy.
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Lv J, Xiong Y, Li W, Yang W, Zhao L, He R. BLT1 Mediates Bleomycin-Induced Lung Fibrosis Independently of Neutrophils and CD4+ T Cells. THE JOURNAL OF IMMUNOLOGY 2017; 198:1673-1684. [PMID: 28077599 DOI: 10.4049/jimmunol.1600465] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Accepted: 12/12/2016] [Indexed: 02/04/2023]
Abstract
Leukotriene B4 (LTB4) and its functional receptor BLT1 are closely involved in tissue inflammation by primarily mediating leukocyte recruitment and activation. Elevated LTB4 was reported in patients with lung fibrosis; however, the role of the LTB4/BLT1 axis in lung fibrosis remains unknown. In this study, we demonstrated that BLT1-/- mice exhibited significantly attenuated bleomycin (BLM)-induced lung fibrosis. Interestingly, BLT1 blockade with its specific antagonist U75302 in the acute injury phase (days 0-10 after BLM treatment) significantly attenuated lung fibrosis, which was accompanied by significant decreases in early infiltrating neutrophils and later infiltrating CD4+ T cells and the production of TGF-β, IL-13, and IL-17A. In contrast, BLT1 blockade in the fibrotic phase (days 10-21 after BLM treatment) had no effect on lung fibrosis and TGF-β production, although it significantly decreased CD4+ T cell infiltration. Furthermore, depletion of neutrophils or CD4+ T cells had no effect on BLM-induced lung fibrosis, suggesting the independence of profibrotic activity of the LTB4/BLT1 axis on BLT1-dependent lung recruitment of these two leukocytes. Finally, although BLT1 blockade had no effect on the recruitment and phenotype of macrophages in BLM-induced lung fibrosis, the LTB4/BLT1 axis could promote TGF-β production by macrophages stimulated with BLM or supernatants from BLM-exposed airway epithelial cells in an autocrine manner, which further induced collagen secretion by lung fibroblasts. Collectively, our study demonstrates that the LTB4/BLT1 axis plays a critical role in acute injury phase to promote BLM-induced lung fibrosis, and it suggests that early interruption of the LTB4/BLT1 axis in some inflammatory diseases could prevent the later development of tissue fibrosis.
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Affiliation(s)
- Jiaoyan Lv
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, People's Republic of China; and.,Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, People's Republic of China
| | - Yingluo Xiong
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, People's Republic of China; and.,Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, People's Republic of China
| | - Wenjing Li
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, People's Republic of China; and.,Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, People's Republic of China
| | - Wei Yang
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, People's Republic of China; and.,Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, People's Republic of China
| | - Lina Zhao
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, People's Republic of China; and.,Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, People's Republic of China
| | - Rui He
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, People's Republic of China; and .,Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, Shanghai 200032, People's Republic of China
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14
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Pace E, Ferraro M, Di Vincenzo S, Siena L, Gjomarkaj M. Effects of ceftaroline on the innate immune and on the inflammatory responses of bronchial epithelial cells exposed to cigarette smoke. Toxicol Lett 2016; 258:216-226. [PMID: 27397760 DOI: 10.1016/j.toxlet.2016.06.2105] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 06/24/2016] [Accepted: 06/29/2016] [Indexed: 02/07/2023]
Abstract
The tobacco smoking habit interferes with the innate host defence system against infections. Recurrent infections accelerated the functional respiratory decline. The present study assessed the effects of ceftaroline on TLR2 and TLR4 and on pro-inflammatory responses in airway epithelial cells (16HBE cell line and primary bronchial epithelial cells) with or without cigarette smoke extracts (CSE 10%). TLR2, TLR4, LPS binding and human beta defensin 2 (HBD2) were assessed by flow cytometry, NFkB nuclear translocation by western blot analysis, IL-8 and HBD2 mRNA by Real Time PCR; the localization of NFkB on the HBD2 and IL-8 promoters by ChiP Assay. CSE increased TLR4, TLR2 expression, LPS binding and IL-8 mRNA; CSE decreased HBD2 (protein and mRNA), activated NFkB and promoted the localization of NFkB on IL-8 promoter and not on HBD2 promoter. Ceftaroline counteracted the CSE effect on TLR2 expression, on LPS binding, on IL-8 mRNA, HBD2 and NFkB in 16HBE. The effects of ceftaroline on HBD2 protein and on IL-8 mRNA were confirmed in primary bronchial epithelial cells. In conclusion, ceftaroline is able to counteract the effects of CSE on the innate immunity and pro-inflammatory responses modulating TLR2, LPS binding, NFkB activation and activity, HBD2 and IL-8 expression in bronchial epithelial cells.
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Affiliation(s)
- E Pace
- Istituto di Biomedicina e Immunologia Molecolare, Consiglio Nazionale delle Ricerche, Palermo, Italy.
| | - M Ferraro
- Istituto di Biomedicina e Immunologia Molecolare, Consiglio Nazionale delle Ricerche, Palermo, Italy
| | - S Di Vincenzo
- Istituto di Biomedicina e Immunologia Molecolare, Consiglio Nazionale delle Ricerche, Palermo, Italy
| | - L Siena
- Istituto di Biomedicina e Immunologia Molecolare, Consiglio Nazionale delle Ricerche, Palermo, Italy
| | - M Gjomarkaj
- Istituto di Biomedicina e Immunologia Molecolare, Consiglio Nazionale delle Ricerche, Palermo, Italy
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15
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Cabanski M, Fields B, Boue S, Boukharov N, DeLeon H, Dror N, Geertz M, Guedj E, Iskandar A, Kogel U, Merg C, Peck MJ, Poussin C, Schlage WK, Talikka M, Ivanov NV, Hoeng J, Peitsch MC. Transcriptional profiling and targeted proteomics reveals common molecular changes associated with cigarette smoke-induced lung emphysema development in five susceptible mouse strains. Inflamm Res 2015; 64:471-86. [PMID: 25962837 PMCID: PMC4464601 DOI: 10.1007/s00011-015-0820-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 03/15/2015] [Accepted: 04/11/2015] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Mouse models are useful for studying cigarette smoke (CS)-induced chronic pulmonary pathologies such as lung emphysema. To enhance translation of large-scale omics data from mechanistic studies into pathophysiological changes, we have developed computational tools based on reverse causal reasoning (RCR). OBJECTIVE In the present study we applied a systems biology approach leveraging RCR to identify molecular mechanistic explanations of pathophysiological changes associated with CS-induced lung emphysema in susceptible mice. METHODS The lung transcriptomes of five mouse models (C57BL/6, ApoE (-/-) , A/J, CD1, and Nrf2 (-/-) ) were analyzed following 5-7 months of CS exposure. RESULTS We predicted 39 molecular changes mostly related to inflammatory processes including known key emphysema drivers such as NF-κB and TLR4 signaling, and increased levels of TNF-α, CSF2, and several interleukins. More importantly, RCR predicted potential molecular mechanisms that are less well-established, including increased transcriptional activity of PU.1, STAT1, C/EBP, FOXM1, YY1, and N-COR, and reduced protein abundance of ITGB6 and CFTR. We corroborated several predictions using targeted proteomic approaches, demonstrating increased abundance of CSF2, C/EBPα, C/EBPβ, PU.1, BRCA1, and STAT1. CONCLUSION These systems biology-derived candidate mechanisms common to susceptible mouse models may enhance understanding of CS-induced molecular processes underlying emphysema development in mice and their relevancy for human chronic obstructive pulmonary disease.
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Affiliation(s)
- Maciej Cabanski
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
- />Novartis Pharma AG, Novartis Institutes for Biomedical Research (NIBR), 4002 Basel, Switzerland
| | - Brett Fields
- />Selventa, One Alewife Center, Cambridge, MA 02140 USA
| | - Stephanie Boue
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | | | - Hector DeLeon
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Natalie Dror
- />Selventa, One Alewife Center, Cambridge, MA 02140 USA
| | - Marcel Geertz
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
- />Bayer Technology Services GmbH, 51368 Leverkusen, Germany
| | - Emmanuel Guedj
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Anita Iskandar
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Ulrike Kogel
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Celine Merg
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Michael J. Peck
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Carine Poussin
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Walter K. Schlage
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Marja Talikka
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Nikolai V. Ivanov
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Julia Hoeng
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
| | - Manuel C. Peitsch
- />Philip Morris International Research and Development, Philip Morris Products S.A, Quai Jeanrenaud 5, 2000 Neuchâtel, Switzerland
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16
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Watanabe M, Machida K, Inoue H. A turn on and a turn off: BLT1 and BLT2 mechanisms in the lung. Expert Rev Respir Med 2014; 8:381-3. [PMID: 24742066 DOI: 10.1586/17476348.2014.908715] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Leukotriene B4 (LTB4), a potent lipid mediator of inflammation derived from arachidonic acid through the action of 5-lipoxygenase, has been implicated in the pathophysiology of several inflammatory diseases, including asthma and chronic obstructive pulmonary disease. A high-affinity LTB4 receptor BLT1 has been shown to exert proinflammatory roles. A cyclooxygenase metabolite, 12(S)-hydroxyheptadeca-5Z, 8E, 10E-trienoic acid (12-HHT), is an endogenous ligand for BLT2, a low-affinity LTB4 receptor. The recent study indicated that BLT2 has a protective role in allergic airway inflammation, suggesting different functions between BLT1 and BLT2 in the pathogenesis of asthma. Selective BLT1 antagonists may have a potential therapeutic application in patients with asthma, and BLT2 may represent a novel therapeutic target for lung diseases.
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Affiliation(s)
- Masaki Watanabe
- Department of Pulmonary Medicine, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, 890-8520, Japan
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17
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Meyer M, Bauer RN, Letang BD, Brighton L, Thompson E, Simmen RCM, Bonner J, Jaspers I. Regulation and activity of secretory leukoprotease inhibitor (SLPI) is altered in smokers. Am J Physiol Lung Cell Mol Physiol 2013; 306:L269-76. [PMID: 24285265 DOI: 10.1152/ajplung.00290.2013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
A hallmark of cigarette smoking is a shift in the protease/antiprotease balance, in favor of protease activity. However, it has recently been shown that smokers have increased expression of a key antiprotease, secretory leukoprotease inhibitor (SLPI), yet the mechanisms involved in SLPI transcriptional regulation and functional activity of SLPI remain unclear. We examined SLPI mRNA and protein secretion in differentiated nasal epithelial cells (NECs) and nasal lavage fluid (NLF) from nonsmokers and smokers and demonstrated that SLPI expression is increased in NECs and NLF from smokers. Transcriptional regulation of SLPI expression was confirmed using SLPI promoter reporter assays followed by chromatin immunoprecipitation. The role of STAT1 in regulating SLPI expression was further elucidated using WT and stat1(-/-) mice. Our data demonstrate that STAT1 regulates SLPI transcription in epithelial cells and slpi protein in the lungs of mice. Additionally, we reveal that NECs from smokers have increased STAT1 mRNA/protein expression. Finally, we demonstrate that SLPI contained in the nasal mucosa of smokers is proteolytically cleaved but retains functional activity against neutrophil elastase. These results demonstrate that smoking enhances expression of SLPI in NECs in vitro and in vivo, and that this response is regulated by STAT1. In addition, despite posttranslational cleavage of SLPI, antiprotease activity against neutrophil elastase is enhanced in smokers. Together, our findings show that SLPI regulation and activity is altered in the nasal mucosa of smokers, which could have broad implications in the context of respiratory inflammation and infection.
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Affiliation(s)
- Megan Meyer
- Dept. of Pediatrics, Univ. of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7310.
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