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Wang Q, Goracci C, Sundar IK, Rahman I. Environmental tobacco smoke exposure exaggerates bleomycin-induced collagen overexpression during pulmonary fibrogenesis. J Inflamm (Lond) 2024; 21:9. [PMID: 38509574 PMCID: PMC10956237 DOI: 10.1186/s12950-024-00377-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 02/12/2024] [Indexed: 03/22/2024] Open
Abstract
Environmental tobacco smoke (ETS) is known to cause lung inflammatory and injurious responses. Smoke exposure is associated with the pathobiology related to lung fibrosis, whereas the mechanism that ETS exposure augments pulmonary fibrogenesis is unclear. We hypothesized that ETS exposure could exacerbate fibrotic responses via collagen dynamic dysregulation and complement activation. C57BL/6J and p16-3MR mice were exposed to ETS followed by bleomycin administration. ETS exposure exacerbated bleomycin-induced collagen and lysyl oxidase overexpression in the fibrotic lesion. ETS exposure also led to augmented bleomycin-induced upregulation of C3 and C3AR, which are pro-fibrotic markers. Moreover, overexpressed collagens and C3 levels were highly significant in males than females. The old mice (17 months old) were exposed to ETS and treated with bleomycin to induce fibrogenesis which is considered as an aging-associated disease. Fewer gene and protein dysregulations trends were identified between ETS exposure with the bleomycin group and the bleomycin alone group in old mice. Based on our findings, we suggested that ETS exposure increases the risk of developing severe lung fibrotic responses via collagen overexpression and lysyl oxidase-mediated collagen stabilization in the fibrotic lesion, and potentially affected the complement system activation induced by bleomycin. Further, male mice were more susceptible than females during fibrogenesis exacerbation. Thus ETS and bleomycin induced lung fibrotic changes via collagen-lysyl oxidase in an age-dependent mechanism.
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Affiliation(s)
- Qixin Wang
- Department of Environmental Medicine, University of Rochester Medical Center, 601 Elmwood Avenue, Box 850, Rochester, NY, 14642, USA
| | - Chiara Goracci
- Department of Environmental Medicine, University of Rochester Medical Center, 601 Elmwood Avenue, Box 850, Rochester, NY, 14642, USA
| | - Isaac Kirubakaran Sundar
- Department of Internal Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, University of Kansas Medical Center, Kansas City, KS, USA
| | - Irfan Rahman
- Department of Environmental Medicine, University of Rochester Medical Center, 601 Elmwood Avenue, Box 850, Rochester, NY, 14642, USA.
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Wang Q, Goracci C, Sundar IK, Rahman I. Environmental tobacco smoke exposure exaggerates bleomycin- induced collagen overexpression during pulmonary fibrogenesis. RESEARCH SQUARE 2023:rs.3.rs-3406872. [PMID: 37886473 PMCID: PMC10602094 DOI: 10.21203/rs.3.rs-3406872/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Environmental tobacco smoke (ETS) is known to cause lung inflammatory and injurious responses. Smoke exposure is associated with the pathobiology related to lung fibrosis, whereas the mechanism by which ETS exposure augments lung fibrogenesis is unclear. We hypothesized that ETS exposure could exacerbate fibrotic responses via collagen dynamic dysregulation and complement activation. C57BL/6J and p16-3MR mice were exposed to ETS followed by bleomycin administration. ETS exposure exacerbated bleomycin-induced collagen and lysyl oxidase overexpression in the fibrotic lesion. ETS exposure also led to augmented bleomycin-induced upregulation of C3 and C3AR, which are pro-fibrotic markers. Moreover, overexpressed collagens and C3 levels were highly significant in males than females. The old mice (17 months old) were exposed to ETS and treated with bleomycin to induce fibrogenesis, since fibrogenesis is an aging-associated disease. Fewer gene and protein dysregulations trends were identified between ETS exposure with the bleomycin group and the bleomycin alone group in old mice. Based on our findings, we suggested that ETS exposure increases the risk of developing severe lung fibrotic responses via collagen overexpression and lysyl oxidase-mediated collagen stabilization in the fibrotic lesion. ETS exposure also potentially affected the complement system activation induced by bleomycin. Further, male mice were more susceptible than females during fibrogenesis exacerbation.
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Gredic M, Karnati S, Ruppert C, Guenther A, Avdeev SN, Kosanovic D. Combined Pulmonary Fibrosis and Emphysema: When Scylla and Charybdis Ally. Cells 2023; 12:1278. [PMID: 37174678 PMCID: PMC10177208 DOI: 10.3390/cells12091278] [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: 01/31/2023] [Revised: 04/17/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023] Open
Abstract
Combined pulmonary fibrosis and emphysema (CPFE) is a recently recognized syndrome that, as its name indicates, involves the existence of both interstitial lung fibrosis and emphysema in one individual, and is often accompanied by pulmonary hypertension. This debilitating, progressive condition is most often encountered in males with an extensive smoking history, and is presented by dyspnea, preserved lung volumes, and contrastingly impaired gas exchange capacity. The diagnosis of the disease is based on computed tomography imaging, demonstrating the coexistence of emphysema and interstitial fibrosis in the lungs, which might be of various types and extents, in different areas of the lung and several relative positions to each other. CPFE bears high mortality and to date, specific and efficient treatment options do not exist. In this review, we will summarize current knowledge about the clinical attributes and manifestations of CPFE. Moreover, we will focus on pathophysiological and pathohistological lung phenomena and suspected etiological factors of this disease. Finally, since there is a paucity of preclinical research performed for this particular lung pathology, we will review existing animal studies and provide suggestions for the development of additional in vivo models of CPFE syndrome.
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Affiliation(s)
- Marija Gredic
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus Liebig University, 35392 Giessen, Germany
| | - Srikanth Karnati
- Institute for Anatomy and Cell Biology, Julius-Maximilians-University Würzburg, 97070 Würzburg, Germany
| | - Clemens Ruppert
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus Liebig University, 35392 Giessen, Germany
- UGMLC Giessen Biobank & European IPF Registry/Biobank, 35392 Giessen, Germany
| | - Andreas Guenther
- Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus Liebig University, 35392 Giessen, Germany
- UGMLC Giessen Biobank & European IPF Registry/Biobank, 35392 Giessen, Germany
- Institute for Lung Health (ILH), 35392 Giessen, Germany
- Lung Clinic, Evangelisches Krankenhaus Mittelhessen, 35398 Giessen, Germany
| | - Sergey N. Avdeev
- Department of Pulmonology, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
| | - Djuro Kosanovic
- Department of Pulmonology, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119991 Moscow, Russia
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Chen H, Tao X, Cao H, Li B, Sun Q, Wang W, Zou Y, Mu M, Tao H, Zhao Y, Ge D. Nicotine exposure exacerbates silica-induced pulmonary fibrosis via STAT3-BDNF-TrkB-mediated epithelial-mesenchymal transition in alveolar type II cells. Food Chem Toxicol 2023; 175:113694. [PMID: 36868510 DOI: 10.1016/j.fct.2023.113694] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 02/20/2023] [Accepted: 02/23/2023] [Indexed: 03/05/2023]
Abstract
The addictive substance nicotine, found in cigarettes and some e-cigarettes, plays a vital role in pro-inflammatory and fibrotic processes. However, the part played by nicotine in the progression of silica-induced pulmonary fibrosis is poorly understood. We used mice exposed to both silica and nicotine to investigate whether nicotine synergizes with silica particles to worsen lung fibrosis. The results revealed that nicotine accelerated the development of pulmonary fibrosis in silica-injured mice by activating STAT3-BDNF-TrkB signalling. Mice with a history of exposure to nicotine showed an increase in Fgf7 expression and alveolar type II cell proliferation if they were also exposed to silica. However, newborn AT2 cells could not regenerate the alveolar structure and release pro-fibrotic factor IL-33. Moreover, activated TrkB induced the expression of p-AKT, which promotes the expression of epithelial-mesenchymal transcription factor Twist, but no Snail. In vitro assessment confirmed activation of the STAT3-BDNF-TrkB pathway in AT2 cells, exposed to nicotine plus silica. In addition, TrkB inhibitor K252a downregulated p-TrkB and the downstream p-AKT and restricted the epithelial-mesenchymal transition caused by nicotine plus silica. In conclusion, nicotine activates the STAT3-BDNF-TrkB pathway, which promotes epithelial-mesenchymal transition and exacerbates pulmonary fibrosis in mice with combined exposure to silica particles and nicotine.
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Affiliation(s)
- Haoming Chen
- Key Laboratory of Industrial Dust Control and Occupational Health of the Ministry of Education, Anhui University of Science and Technology, Huainan, China; Key Laboratory of Industrial Dust Deep Reduction and Occupational Health and Safety of Anhui Higher Education Institutes, Anhui University of Science and Technology, Huainan, China; Anhui Province Engineering Laboratory of Occupational Health and Safety, Huainan, China; School of Medicine, Department of Medical Frontier Experimental Center, Anhui University of Science and Technology, Huainan, China
| | - Xinrong Tao
- Key Laboratory of Industrial Dust Control and Occupational Health of the Ministry of Education, Anhui University of Science and Technology, Huainan, China; Key Laboratory of Industrial Dust Deep Reduction and Occupational Health and Safety of Anhui Higher Education Institutes, Anhui University of Science and Technology, Huainan, China; Anhui Province Engineering Laboratory of Occupational Health and Safety, Huainan, China; School of Medicine, Department of Medical Frontier Experimental Center, Anhui University of Science and Technology, Huainan, China.
| | - Hangbing Cao
- Key Laboratory of Industrial Dust Control and Occupational Health of the Ministry of Education, Anhui University of Science and Technology, Huainan, China; Key Laboratory of Industrial Dust Deep Reduction and Occupational Health and Safety of Anhui Higher Education Institutes, Anhui University of Science and Technology, Huainan, China; Anhui Province Engineering Laboratory of Occupational Health and Safety, Huainan, China; School of Medicine, Department of Medical Frontier Experimental Center, Anhui University of Science and Technology, Huainan, China
| | - Bing Li
- Key Laboratory of Industrial Dust Control and Occupational Health of the Ministry of Education, Anhui University of Science and Technology, Huainan, China; Key Laboratory of Industrial Dust Deep Reduction and Occupational Health and Safety of Anhui Higher Education Institutes, Anhui University of Science and Technology, Huainan, China; Anhui Province Engineering Laboratory of Occupational Health and Safety, Huainan, China; School of Medicine, Department of Medical Frontier Experimental Center, Anhui University of Science and Technology, Huainan, China
| | - Qixian Sun
- Key Laboratory of Industrial Dust Control and Occupational Health of the Ministry of Education, Anhui University of Science and Technology, Huainan, China; Key Laboratory of Industrial Dust Deep Reduction and Occupational Health and Safety of Anhui Higher Education Institutes, Anhui University of Science and Technology, Huainan, China; Anhui Province Engineering Laboratory of Occupational Health and Safety, Huainan, China; School of Medicine, Department of Medical Frontier Experimental Center, Anhui University of Science and Technology, Huainan, China
| | - Wenyang Wang
- Key Laboratory of Industrial Dust Control and Occupational Health of the Ministry of Education, Anhui University of Science and Technology, Huainan, China; Key Laboratory of Industrial Dust Deep Reduction and Occupational Health and Safety of Anhui Higher Education Institutes, Anhui University of Science and Technology, Huainan, China; Anhui Province Engineering Laboratory of Occupational Health and Safety, Huainan, China; School of Medicine, Department of Medical Frontier Experimental Center, Anhui University of Science and Technology, Huainan, China
| | - Yuanjie Zou
- Key Laboratory of Industrial Dust Control and Occupational Health of the Ministry of Education, Anhui University of Science and Technology, Huainan, China; Key Laboratory of Industrial Dust Deep Reduction and Occupational Health and Safety of Anhui Higher Education Institutes, Anhui University of Science and Technology, Huainan, China; Anhui Province Engineering Laboratory of Occupational Health and Safety, Huainan, China; School of Medicine, Department of Medical Frontier Experimental Center, Anhui University of Science and Technology, Huainan, China
| | - Min Mu
- Key Laboratory of Industrial Dust Control and Occupational Health of the Ministry of Education, Anhui University of Science and Technology, Huainan, China; Key Laboratory of Industrial Dust Deep Reduction and Occupational Health and Safety of Anhui Higher Education Institutes, Anhui University of Science and Technology, Huainan, China; Anhui Province Engineering Laboratory of Occupational Health and Safety, Huainan, China; School of Medicine, Department of Medical Frontier Experimental Center, Anhui University of Science and Technology, Huainan, China
| | - Huihui Tao
- Key Laboratory of Industrial Dust Control and Occupational Health of the Ministry of Education, Anhui University of Science and Technology, Huainan, China; Key Laboratory of Industrial Dust Deep Reduction and Occupational Health and Safety of Anhui Higher Education Institutes, Anhui University of Science and Technology, Huainan, China; Anhui Province Engineering Laboratory of Occupational Health and Safety, Huainan, China; School of Medicine, Department of Medical Frontier Experimental Center, Anhui University of Science and Technology, Huainan, China
| | - Yehong Zhao
- Key Laboratory of Industrial Dust Control and Occupational Health of the Ministry of Education, Anhui University of Science and Technology, Huainan, China; Key Laboratory of Industrial Dust Deep Reduction and Occupational Health and Safety of Anhui Higher Education Institutes, Anhui University of Science and Technology, Huainan, China; Anhui Province Engineering Laboratory of Occupational Health and Safety, Huainan, China; School of Medicine, Department of Medical Frontier Experimental Center, Anhui University of Science and Technology, Huainan, China
| | - Deyong Ge
- Key Laboratory of Industrial Dust Control and Occupational Health of the Ministry of Education, Anhui University of Science and Technology, Huainan, China; Key Laboratory of Industrial Dust Deep Reduction and Occupational Health and Safety of Anhui Higher Education Institutes, Anhui University of Science and Technology, Huainan, China; Anhui Province Engineering Laboratory of Occupational Health and Safety, Huainan, China; School of Medicine, Department of Medical Frontier Experimental Center, Anhui University of Science and Technology, Huainan, China
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Crosstalk between gut microbiota and lung inflammation in murine toxicity models of respiratory exposure or co-exposure to carbon nanotube particles and cigarette smoke extract. Toxicol Appl Pharmacol 2022; 447:116066. [PMID: 35595072 DOI: 10.1016/j.taap.2022.116066] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/08/2022] [Accepted: 05/11/2022] [Indexed: 11/23/2022]
Abstract
Carbon nanotubes (CNTs) are emerging environmental and occupational toxicants known to induce lung immunotoxicity. While the underlying mechanisms are evolving, it is yet unknown whether inhaled CNTs would cause abnormalities in gut microbiota (dysbiosis), and if such microbiota alteration plays a role in the modulation of CNT-induced lung immunotoxicity. It is also unknown whether co-exposure to tobacco smoke will modulate CNT effects. We compared the effects of lung exposure to multi-wall CNT, cigarette smoke extract (CSE), and their combination (CNT + CSE) in a 4-week chronic toxicity mouse model. The exposures induced differential perturbations in gut microbiome as evidenced by altered microbial α- and β- diversity, indicating a lung-to-gut communication. The gut dysbiosis due to CNTs, unlike CSE, was characterized by an increase in Firmicutes/Bacteroidetes ratio typically associated with proinflammatory condition. Notably, while all three exposures reduced Proteobacteria, the CNT exposure and co-exposure induced appearance of Tenericutes and Cyanobacteria, respectively, implicating them as potential biomarkers of exposure. CNTs differentially induced certain lung proinflammatory mediators (TNF-α, IL-1β, CCL2, CXCL5) whereas CNTs and CSE commonly induced other mediators (CXCL1 and TGF-β). The co-exposure showed either a component-dominant effect or a summative effect for both dysbiosis and lung inflammation. Depletion of gut microbiota attenuated both the differentially-induced and commonly-induced (TGF-β) lung inflammatory mediators as well as granulomas implying gut-to-lung communication and a modulatory role of gut dysbiosis. Taken together, the results demonstrated gut dysbiosis as a systemic effect of inhaled CNTs and provided the first evidence of a bidirectional gut-lung crosstalk modulating CNT lung immunotoxicity.
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Zhang Q, Yue Y, Zheng R. Clusterin as a serum biomarker candidate contributes to the lung fibroblasts activation in chronic obstructive pulmonary disease. Chin Med J (Engl) 2022; 135:1076-1086. [PMID: 35191419 PMCID: PMC9276345 DOI: 10.1097/cm9.0000000000002065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Fibrosis in the peripheral airways contributes to airflow limitation in patients with chronic obstructive pulmonary disease (COPD). However, the key proteins involved in its development are still poorly understood. Thus, we aimed to identify the differentially expressed proteins (DEPs) between smoker patients with and without COPD and elucidate the molecular mechanisms involved by investigating the effects of the identified biomarker candidate on lung fibroblasts. METHODS The potential DEPs were identified by isobaric tags for relative and absolute quantitation (iTRAQ)-based proteomic analysis. The messenger RNA and protein levels of clusterin (CLU) in COPD patients and 12% cigarette smoke extract (CSE)-treated human bronchial epithelial cells were determined at the indicated time points. Furthermore, an in vitro COPD model was established via the administration of 8% CSE to normal human lung fibroblasts (NHLFs) at indicated time points. The effects of CSE treatment and CLU silencing on proliferation and activation of lung fibroblasts were analyzed. RESULTS A total of 144 DEPs were identified between COPD patients and normal smokers. The iTRAQ-based proteomics and bioinformatics analyses identified CLU as a serum biomarker candidate. We also discovered that CLU levels were significantly increased ( P < 0.0001) in Global Initiative for Obstructive Lung Disease II, III, and IV patients and correlated ( P < 0.0001) with forced expiratory volume in 1 s ( R = -0.7705), residual volume (RV) ( R = 0.6281), RV/total lung capacity ( R = 0.5454), and computerized tomography emphysema ( R = 0.7878). Similarly, CLU levels were significantly increased in CSE-treated cells at indicated time points ( P < 0.0001). The CSE treatment significantly inhibited the proliferation, promoted the inflammatory response, differentiation of NHLFs, and collagen matrix deposition, and induced the apoptosis of NHLFs; however, these effects were partially reversed by CLU silencing. CONCLUSION Our findings suggest that CLU may play significant roles during airway fibrosis in COPD by regulating lung fibroblast activation.
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Affiliation(s)
- Qiang Zhang
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110014, China
| | - Yuanyi Yue
- Department of Gastroenterology Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110014, China
| | - Rui Zheng
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110014, China
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Tian X, Xue Y, Xie G, Zhou Y, Xiao H, Ding F, Zhang M. (-)-Epicatechin ameliorates cigarette smoke-induced lung inflammation via inhibiting ROS/NLRP3 inflammasome pathway in rats with COPD. Toxicol Appl Pharmacol 2021; 429:115674. [PMID: 34403689 DOI: 10.1016/j.taap.2021.115674] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 07/29/2021] [Accepted: 08/05/2021] [Indexed: 11/19/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) with increased morbidity and mortality is a worldwide healthcare challenge closely associated with cigarette smoking (CS). Currently, there is no effective therapeutic strategy to control inflammation in COPD patients. The present study tested the protective effects of (-)-Epicatechin (EC), a type of flavonoid, on CS-induced COPD and the underlying mechanism. Also, EC repressed the production of reactive oxygen species (ROS) and improved human bronchial epithelial cell viability after cigarette smoke extract (CSE) treatment. Further studies demonstrated that EC promotes ubiquitin-mediated Keap1 degradation by upregulating tripartite motif-containing protein 25 (TRIM25) expression and enhances the nuclear localization of Nrf2 protein. Also, EC dramatically inhibits the activation of NLRP3 inflammasome and reduces the CSE-induced pyroptosis, as indicated by decreasing lactate dehydrogenase release and the number of caspase-1-positive cells. Importantly, Nrf2 knockdown reversed the protective effect of EC on human bronchial epithelial cells, at least partially. Consistent with the results in vitro, EC inhibits the activation of NLRP3 inflammasome and relieves the CS-induced lung inflammation, as evident from decreased interleukin (IL)-1β and IL-18 secretion in a COPD rat model. In conclusion, this study revealed the protective effect of EC on experimental COPD rats and elucidated the mechanism of EC promoting Nrf2 activity, which might provide a novel therapeutic strategy for COPD.
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Affiliation(s)
- Xue Tian
- Department of Respiratory and Critical Care Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine,100 Haining Road, Shanghai 200080, PR China
| | - Yishu Xue
- Department of Respiratory and Critical Care Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine,100 Haining Road, Shanghai 200080, PR China
| | - Guogang Xie
- Department of Respiratory and Critical Care Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine,100 Haining Road, Shanghai 200080, PR China
| | - Yan Zhou
- Department of Respiratory and Critical Care Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine,100 Haining Road, Shanghai 200080, PR China
| | - Hui Xiao
- Department of Respiratory and Critical Care Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine,100 Haining Road, Shanghai 200080, PR China
| | - Fengming Ding
- Department of Respiratory and Critical Care Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine,100 Haining Road, Shanghai 200080, PR China
| | - Min Zhang
- Department of Respiratory and Critical Care Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine,100 Haining Road, Shanghai 200080, PR China..
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Wang L, Zhou L, Zhou Y, Liu L, Jiang W, Zhang H, Liu H. Necroptosis in Pulmonary Diseases: A New Therapeutic Target. Front Pharmacol 2021; 12:737129. [PMID: 34594225 PMCID: PMC8476758 DOI: 10.3389/fphar.2021.737129] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 09/01/2021] [Indexed: 12/15/2022] Open
Abstract
In the past decades, apoptosis has been the most well-studied regulated cell death (RCD) that has essential functions in tissue homeostasis throughout life. However, a novel form of RCD called necroptosis, which requires receptor-interacting protein kinase-3 (RIPK3) and mixed-lineage kinase domain-like pseudokinase (MLKL), has recently been receiving increasing scientific attention. The phosphorylation of RIPK3 enables the recruitment and phosphorylation of MLKL, which oligomerizes and translocates to the plasma membranes, ultimately leading to plasma membrane rupture and cell death. Although apoptosis elicits no inflammatory responses, necroptosis triggers inflammation or causes an innate immune response to protect the body through the release of damage-associated molecular patterns (DAMPs). Increasing evidence now suggests that necroptosis is implicated in the pathogenesis of several human diseases such as systemic inflammation, respiratory diseases, cardiovascular diseases, neurodegenerative diseases, neurological diseases, and cancer. This review summarizes the emerging insights of necroptosis and its contribution toward the pathogenesis of lung diseases.
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Affiliation(s)
- Lingling Wang
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ling Zhou
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuhao Zhou
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lu Liu
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Weiling Jiang
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huojun Zhang
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huiguo Liu
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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9
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Bae W, Lee CH, Lee J, Kim YW, Han K, Choi SM. Impact of smoking on the development of idiopathic pulmonary fibrosis: results from a nationwide population-based cohort study. Thorax 2021; 77:470-476. [PMID: 34593614 DOI: 10.1136/thoraxjnl-2020-215386] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 07/23/2021] [Indexed: 11/04/2022]
Abstract
BACKGROUND Smoking has been considered an important risk factor for idiopathic pulmonary fibrosis (IPF) incidence. However, there are no population-based large-scale studies demonstrating the effects of smoking on the development of IPF. We aimed to evaluate the effect of smoking on IPF development using a nationwide population-based cohort. METHODS Using the Korean National Health Information Database, we enrolled individuals who had participated in the health check-up service between 2009 and 2012. Participants having a prior diagnosis of IPF were excluded. The history of smoking status and quantity was collected by a questionnaire. We identified all cases of incident IPF through 2016 on the basis of ICD-10 codes for IPF and medical claims. Cox proportional hazards models were used to calculate the adjusted HR (aHR) of the development of IPF. RESULTS A total of 25 113 individuals (0.11%) with incident IPF were identified out of 23 242 836 participants registered in the database. The risk of IPF was significantly higher in current and former smokers than in never smokers, with an aHR of 1.66 (95% CI 1.61 to 1.72) and 1.42 (95% CI 1.37 to 1.48), respectively. Current smokers had a higher risk of IPF than former smokers (aHR 1.17, 95% CI 1.13 to 1.21). The risk of IPF development increased as the smoking intensity and duration increased. CONCLUSION Smoking significantly increased the risk of IPF development. Current smokers had a higher risk of IPF than former smokers. A dose-response relationship was observed between smoking and the development of IPF.
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Affiliation(s)
- Won Bae
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea.,Department of Pulmonary, Allergy and Critical Care Medicine, Seongnam Citizens Medical Center, Seongnam, Republic of Korea
| | - Chang-Hoon Lee
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jinwoo Lee
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea.,Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Young Whan Kim
- Department of Respiratory-Allergy & Clinical Immunology, Konkuk University Medical Center, Seoul, Republic of Korea
| | - Kyungdo Han
- Department of Statistics and Actuarial Science, Soongsil University, Seoul, Republic of Korea
| | - Sun Mi Choi
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea .,Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
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10
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Lin L, Xuan W, Luckey D, Wang S, Wang F, Lau J, Warrington KJ, Matteson EL, Vassallo R, Taneja V. A novel humanized model of rheumatoid arthritis associated lung disease. Clin Immunol 2021; 230:108813. [PMID: 34333094 DOI: 10.1016/j.clim.2021.108813] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 07/14/2021] [Accepted: 07/26/2021] [Indexed: 02/08/2023]
Abstract
Cigarette smoking has been implicated in the pathogenesis of seropositive rheumatoid arthritis (RA), as well as RA-associated lung disease. Fibrotic interstitial lung disease as well as emphysema occur in RA and cause substantial morbidity. We used arthritis-susceptible HLA-DQ8 transgenic mice to generate RA-associated lung disease. Mice were exposed to cigarette smoke (CS) prior to induction of arthritis, and subsequently injected with a low dose of bleomycin intra-tracheally to induce lung injury. Exposure of arthritic mice to both CS and bleomycin led to a significant reduction in lung compliance consistent with development of diffuse lung disease. Morphologic evaluation of the lung demonstrated areas of emphysematous change and co-existent fibrosis, consistent with a combined pattern of fibrosis and emphysema. These changes were accompanied by inflammatory cell infiltration and upregulation of fibrosis-associated genes. This humanized mouse model can serve as a valuable research tool to understand the pathogenesis of RA associated lung disease.
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Affiliation(s)
- Li Lin
- Division of Pulmonary and Critical Care Medicine, Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America
| | - Weixia Xuan
- Division of Pulmonary and Critical Care Medicine, Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America; Department of Resporatory medicine, Henan Provincial People's Hospital, Zhengzhou, China
| | - David Luckey
- Department of Immunology, Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America
| | - Shaohua Wang
- Division of Pulmonary and Critical Care Medicine, Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America
| | - FaPing Wang
- Division of Pulmonary and Critical Care Medicine, Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America; Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Jessica Lau
- Division of Pulmonary and Critical Care Medicine, Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America; Pulmonary and Critical Care Medicine, The Vancouver Clinic, Vancouver, WA, United States of America
| | - Kenneth J Warrington
- Division of Rheumatology, Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America
| | - Eric L Matteson
- Division of Rheumatology, Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America
| | - Robert Vassallo
- Division of Pulmonary and Critical Care Medicine, Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America; Department of Medicine, Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America.
| | - Veena Taneja
- Department of Immunology, Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America; Division of Rheumatology, Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States of America.
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Suri GS, Kaur G, Jha CK, Tiwari M. Understanding idiopathic pulmonary fibrosis - Clinical features, molecular mechanism and therapies. Exp Gerontol 2021; 153:111473. [PMID: 34274426 DOI: 10.1016/j.exger.2021.111473] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 07/07/2021] [Accepted: 07/08/2021] [Indexed: 10/20/2022]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic lung fibrosing disease with high prevalence that has a prognosis worse than many cancers. There has been a recent influx of new observations aimed at explaining the mechanisms responsible for the initiation and progression of pulmonary fibrosis. However, despite this, the pathogenesis of the disease is largely unclear. Recent progress has been made in the characterization of specific pathologic and clinical features that have enhanced the understanding of pathologically activated molecular pathways during the onset and progression of IPF. This review highlights several of the advances that have been made and focus on the pathobiology of IPF. The work also details the different factors that are responsible for the disposition of the disease - these may be internal factors such as cellular mechanisms and genetic alterations, or they may be external factors from the environment. The changes that primarily occur in epithelial cells and fibroblasts that lead to the activation of profibrotic pathways are discussed in depth. Finally, a complete repertoire of the treatment therapies that have been used in the past as well as future medications and therapies is provided.
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12
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Huang Q, Li CD, Yang YR, Qin XF, Wang JJ, Zhang X, Du XN, Yang X, Wang Y, Li L, Mu M, Lv Z, Cui Y, Huang K, Corrigan CJ, Wang W, Ying S. Role of the IL-33/ST2 axis in cigarette smoke-induced airways remodelling in chronic obstructive pulmonary disease. Thorax 2021; 76:thoraxjnl-2020-214712. [PMID: 33589512 DOI: 10.1136/thoraxjnl-2020-214712] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 01/17/2021] [Accepted: 01/23/2021] [Indexed: 12/21/2022]
Abstract
BACKGROUND Efficient therapy and potential prophylaxis are confounded by current ignorance of the pathogenesis of airway remodelling and blockade in COPD. OBJECTIVE To explore the role of the IL-33/ST2 axis in cigarette smoke (CS) exposure-induced airways remodelling. METHODS C57BL/6, BALB/c and IL-1RL1 -/- mice exposed to CS were used to establish an animal surrogate of COPD (air-exposed=5~8, CS-exposed=6~12). Hallmarks of remodelling were measured in mice. Cigarette smoke extract (CSE)-induced proliferation and protein production in vitro by fibroblasts in the presence of anti-interleukin-33 (anti-IL-33) or hST2 antibodies were measured. Expression of IL-33 and ST2 and other remodelling hallmarks were measured, respectively, in bronchoalveolar lavage fluid (BALF) (controls=20, COPD=20), serum (controls=59, COPD=90) and lung tissue sections (controls=11, COPD=7) from patients with COPD and controls. RESULTS Wild-type mice exposed to CS elevated expression of hallmarks of tissue remodelling in the lungs and also in the heart, spleen and kidneys, which were significantly abrogated in the IL-1RL1 -/- mice. Fibroblasts exposed to CSE, compared with control, exhibited early cellular translocation of IL-33, accompanied by proliferation and elevated protein synthesis, all inhabitable by blockade of IL-33/ST2 signalling. Expression of IL-33 and ST2 and hallmarks of tissue remodelling were significantly and proportionally elevated in BALF, serum and tissue samples from patients with COPD. CONCLUSIONS Exposure to CS induces remodelling changes in multiple organs. The data support the hypothesis that CS-induced lung collagen deposition is at least partly a result of CS-induced IL-33 translocation and release from local fibroblasts.
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Affiliation(s)
- Qiong Huang
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Chen Duo Li
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Yi Ran Yang
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Xiao Feng Qin
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Jing Jing Wang
- Department of Laboratory Animal Sciences, Capital Medical University, Beijing, China
| | - Xin Zhang
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Xiao Nan Du
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Xia Yang
- Department of Respiratory and Critical Care Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Ying Wang
- Department of Pulmonary and Critical Care Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Lun Li
- Department of Respiratory Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Mi Mu
- Department of Respiratory Medicine, the Eighth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Zhe Lv
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Ye Cui
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Kewu Huang
- Department of Pulmonary and Critical Care Medicine, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Chris J Corrigan
- Faculty of Life Sciences & Medicine, School of Immunology & Microbial Sciences, Asthma UK Centre in Allergic Mechanisms of Asthma, King's College London, London, UK
| | - Wei Wang
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Sun Ying
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
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13
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Li L, Yang DC, Chen CH. Metabolic reprogramming: A driver of cigarette smoke-induced inflammatory lung diseases. Free Radic Biol Med 2021; 163:392-401. [PMID: 33387604 PMCID: PMC7870291 DOI: 10.1016/j.freeradbiomed.2020.12.438] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 12/22/2020] [Accepted: 12/24/2020] [Indexed: 12/23/2022]
Abstract
Cigarette smoking is a well-known risk factor for pulmonary diseases, including chronic obstructive pulmonary disease (COPD), asthma and pulmonary fibrosis. Despite major progress in dissecting the mechanisms associated with disease development and progression, findings only represent one aspect of multifaceted disease. A crucial consequence of this approach is that many therapeutic treatments often fail to improve or reverse the disease state as other conditions and variables are insufficiently considered. To expand our understanding of pulmonary diseases, omics approaches, particularly metabolomics, has been emerging in the field. This strategy has been applied to identify putative biomarkers and novel mechanistic insights. In this review, we discuss metabolic profiles of patients with COPD, asthma, and idiopathic pulmonary fibrosis (IPF) with a focus on the direct effects of cigarette smoking in altering metabolic regulation. We next present cell- and animal-based experiments and point out the therapeutic potential of targeting metabolic reprogramming in inflammatory lung diseases. In addition, the obstacles in translating these findings into clinical practice, including potential adverse effects and limited pharmacological efficacy, are also addressed.
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Affiliation(s)
- Linhui Li
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine and Center for Comparative Respiratory Biology and Medicine, University of California Davis, Davis, CA, USA; Division of Nephrology, Department of Internal Medicine, University of California Davis, Davis, CA, USA
| | - David C Yang
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine and Center for Comparative Respiratory Biology and Medicine, University of California Davis, Davis, CA, USA
| | - Ching-Hsien Chen
- Department of Internal Medicine, Division of Pulmonary and Critical Care Medicine and Center for Comparative Respiratory Biology and Medicine, University of California Davis, Davis, CA, USA; Division of Nephrology, Department of Internal Medicine, University of California Davis, Davis, CA, USA.
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14
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Wang B, Bai W, Ma H, Li F. Regulatory Effect of PD1/PD-Ligand 1 (PD-L1) on Treg Cells in Patients with Idiopathic Pulmonary Fibrosis. Med Sci Monit 2021; 27:e927577. [PMID: 33386384 PMCID: PMC7786833 DOI: 10.12659/msm.927577] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Background Idiopathic pulmonary fibrosis (IPF) is a serious irreversible lung disease. The mechanism of immune checkpoint in idiopathic pulmonary fibrosis is still unknown. Material/Methods First, the expression levels of PD-1/PD-L1 on the surface of CD4+ T cells and the proportion of Treg cells in IPF or controls were detected by flow cytometry. Then, expression of TGF-β in blood samples was detected with ELISA. Moreover, a co-culture system was composed of fibroblasts stimulated by TGF-β and CD4+ T cells from healthy people. The proportions of Treg cells and PD-1 in the co-culture system were detected. In addition, we detected the proportion of Treg cells and the level of collagen-1 after adding PD-1 or PD-L1 protein antibody blocker to the co-culture system. Results Flow cytometry revealed the upregulated expression of PD-1/PD-L1 in CD4+ T cells of IPF patients. PD-1 appears to inhibit the differentiation of CD4+ T cells into Treg cells. Co-culture of myofibroblasts and CD4+ T cells induced the generation of collagen-1 and reduced the proliferation of CD4+ T cells. When PD-1 was blocked, the inhibition of Treg cell differentiation was reversed, accompanied by decreased collagen-1 production. Conclusions This work identified the molecular mechanism of PD-1 in patients with IPF. It may provide a new perspective on the therapeutic effect of PD-1.
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Affiliation(s)
- Bing Wang
- Department of Pulmonary Medicine, Xinjiang Medical University, Urumqi, Xinjiang, China (mainland)
| | - Wenmei Bai
- Department of Pulmonary Medicine, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, China (mainland)
| | - Hongxia Ma
- Department of Pulmonary Medicine, Traditional Chinese Medicine Hospital Affiliated to Xinjiang Medical University, Urumqi, Xinjiang, China (mainland)
| | - Fengsen Li
- Department of Pulmonary Medicine, Xinjiang Medical University, Urumqi, Xinjiang, China (mainland)
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15
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Chen S, Tan S, Yang S, Chen G, Zhu L, Sun Z, Li H, Yao S. Nicotine induces apoptosis through exacerbation of blocked alveolar macrophage autophagic degradation in silicosis. Toxicol Lett 2020; 334:94-101. [PMID: 33010382 DOI: 10.1016/j.toxlet.2020.09.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 08/25/2020] [Accepted: 09/25/2020] [Indexed: 12/25/2022]
Abstract
Silica dust mainly attacks alveolar macrophages (AMs). The apoptosis of AMs is correlated with the progress of silicosis. Our previous study showed that autophagic degradation was blocked in AMs from silicosis patients. However, the effects of nicotine on AM autophagy and apoptosis in silicosis are unknown. In this study, we collected AMs from twenty male workers exposed to silica and divided them into observer and silicosis patient groups, according to the tuberous pathological changes observed by X-ray. The AMs from both groups were exposed to nicotine. We found increased levels of LC3, p62, and cleaved caspase-3, decreased levels of LAMP2, and damaged lysosomes after nicotine stimulation of the AMs from both groups. We also found that the autophagy inhibitor 3-methyladenine (3MA) inhibited nicotine-induced apoptosis in the AMs. Furthermore, 3MA reversed both the nicotine-induced decrease in Bcl-2 and the increase in Bax in both groups. These results suggest that nicotine may induce apoptosis by blocking AM autophagic degradation in human silicosis.
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Affiliation(s)
- Shi Chen
- School of Medicine, Hunan Normal University, Changsha, Hunan Province 410013, PR China
| | - Shiyi Tan
- School of Medicine, Hunan Normal University, Changsha, Hunan Province 410013, PR China
| | - Shang Yang
- School of Medicine, Hunan Normal University, Changsha, Hunan Province 410013, PR China
| | - Gang Chen
- Department of Pneumoconiosis, Beidaihe Sanitarium for China Coal Miners, Qinhuangdao, Hebei Province 066104, PR China
| | - Li Zhu
- Department of Pneumoconiosis, Beidaihe Sanitarium for China Coal Miners, Qinhuangdao, Hebei Province 066104, PR China
| | - Zhiqian Sun
- Department of Pneumoconiosis, Beidaihe Sanitarium for China Coal Miners, Qinhuangdao, Hebei Province 066104, PR China
| | - Haibin Li
- School of Public Health, Xinxiang Medical University, Xinxiang, Henan Province, 453003, PR China
| | - Sanqiao Yao
- School of Public Health, Xinxiang Medical University, Xinxiang, Henan Province, 453003, PR China.
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Nakanishi T, Sakiyama S, Takashima H, Honda R, Shumba MN, Nakamura Y, Kasahara K, Tamai I. Toxicological implication of prostaglandin transporter SLCO2A1 inhibition by cigarette smoke in exacerbation of lung inflammation. Toxicol Appl Pharmacol 2020; 405:115201. [PMID: 32828905 DOI: 10.1016/j.taap.2020.115201] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 08/11/2020] [Accepted: 08/14/2020] [Indexed: 12/21/2022]
Abstract
We reported that bleomycin (BLM)-induced pulmonary fibrosis was exacerbated in the prostaglandin transporter gene (Slco2a1)-deficient mice (Slco2a1(-/-)). Because cigarette smoke (CS) contributes to creating a profibrotic milieu in the respiratory region, the present study aimed to investigate the impact of CS on SLCO2A1-associated pathogenesis in the lungs of BLM-instilled mice. Bronchoalveolar lavage (BAL) fluid cell analysis indicated more severe inflammation in Slco2a1(-/-) on day 5 after BLM intratracheal instillation, and Slco2a1 deletion increased mRNA expression of pro-inflammatory cytokines (Tnf-α and Il-1β) and chemokine (Ccl5) in BAL cells. Male Slco2a1(-/-) exhibited significantly higher amounts of released Il-1β in BAL fluid, compared with female Slco2a1(-/-), male or female Slco2a1(+/+) group. The amount of PGE2 collected in BAL fluid tended to increase in Slco2a1(-/-) compared with Slco2a1(+/+) group, whereas the PGE2 concentrations in lung tissues were comparable between both groups. Besides, PGE2 accumulated more in BAL fluid of male than that of female mice. Therefore, Slco2a1-deficient male mice were found to be more susceptible to BLM-treatment. Moreover, CS extracts (CSE) significantly reduced initial PGE2 uptake by rat type1 alveolar epithelial cell-like (AT1-L) cells and human SLCO2A1-transfected cells. Exposure of AT1-L cells to CSE resulted in decreased mRNA expression of Slco2a1, suggesting that CS modulates SLCO2A1 function. These results indicate that exacerbated lung inflammation is attributed to an increase in Il-1β peptide and PGE2 accumulation in the alveolar space, which exhibits a male predominance. SLCO2A1 inhibition by CSE is considered to be a new rationale for the lung toxicity of CS.
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Affiliation(s)
- Takeo Nakanishi
- Faculty of Pharmacy, Takasaki University of Health and Welfare, 60 Nakaorui-machi, Takasaki, Japan.
| | - Shiori Sakiyama
- School of Pharmaceutical Sciences, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Hiroki Takashima
- School of Pharmaceutical Sciences, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Ryokichi Honda
- School of Pharmaceutical Sciences, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Melody N Shumba
- Depatiment of Nutrition, Faculty of Health and Welfare, Takasaki University of Health and Welfare, Takasaki, Japan
| | - Yoshinobu Nakamura
- Faculty of Pharmacy, Takasaki University of Health and Welfare, 60 Nakaorui-machi, Takasaki, Japan
| | - Kazuo Kasahara
- School of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 13-1 Takara-machi, Kanazawa, 920-0934, Japan
| | - Ikumi Tamai
- School of Pharmaceutical Sciences, Kakuma-machi, Kanazawa 920-1192, Japan
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Crosstalk between pleural mesothelial cell and lung fibroblast contributes to pulmonary fibrosis. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2020; 1867:118806. [PMID: 32739525 DOI: 10.1016/j.bbamcr.2020.118806] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 07/17/2020] [Accepted: 07/28/2020] [Indexed: 12/12/2022]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a specific form of chronic, progressive and fibrosing interstitial pneumonia of unknown cause. The main feature of IPF is a heterogeneous appearance with areas of sub-pleural fibrosis. However, the mechanism of sub-pleural fibrosis was poorly understood. In this study, our in vivo study revealed that pleural mesothelial cells (PMCs) migrated into lung parenchyma and localized alongside lung fibroblasts in sub-pleural area in mouse pulmonary fibrosis. Our in vitro study displayed that cultured-PMCs-medium induced lung fibroblasts transforming into myofibroblast, cultured-fibroblasts-medium promoted mesothelial-mesenchymal transition of PMCs. Furthermore, these changes in lung fibroblasts and PMCs were prevented by blocking TGF-β1/Smad2/3 signaling with SB431542. TGF-β1 neutralized antibody attenuated bleomycin-induced pulmonary fibrosis. Similar to TGF-β1/Smad2/3 signaling, wnt/β-catenin signaling was also activated in the process of PMCs crosstalk with lung fibroblasts. Moreover, inhibition of CD147 attenuated cultured-PMCs-medium induced collagen-I synthesis in lung fibroblasts. Blocking CD147 signaling also prevented bleomycin-induced pulmonary fibrosis. Our data indicated that crosstalk between PMC and lung fibroblast contributed to sub-pleural pulmonary fibrosis. TGF-β1, Wnt/β-catenin and CD147 signaling was involved in the underling mechanism.
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18
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Bargagli E, Cameli P, Carleo A, Refini RM, Bergantini L, D'alessandro M, Vietri L, Perillo F, Volterrani L, Rottoli P, Bini L, Landi C. The effect of cigarette smoking on bronchoalveolar lavage protein profiles from patients with different interstitial lung diseases. Panminerva Med 2020; 62:109-115. [DOI: 10.23736/s0031-0808.19.03754-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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19
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Zhang Z, Li S, Deng J, Yang S, Xiang Z, Guo H, Xi H, Sang M, Zhang W. Aspirin inhibits endometrial fibrosis by suppressing the TGF‑β1‑Smad2/Smad3 pathway in intrauterine adhesions. Int J Mol Med 2020; 45:1351-1360. [PMID: 32323728 PMCID: PMC7138280 DOI: 10.3892/ijmm.2020.4506] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 01/24/2020] [Indexed: 01/07/2023] Open
Abstract
Intrauterine adhesions (IUAs) represent one of the most common diseases in women of reproductive age. Patients with moderate‑to‑severe IUA can experience a decrease in normal menstrual patterns, amenorrhea and even infertility. At present, the first‑line treatment strategies for IUAs in the clinical practice are hysteroscopic transuterine resection of adhesion and postoperative adjuvant therapy, including oestrogen. However, a high recurrence rate of IUAs remains. In recent years, studies have demonstrated that aspirin combined with oestrogen may significantly prevent the postoperative disease recurrence rate, improve endometrial receptivity and improve the conception rate by increasing endometrial blood supply and angiogenesis more effectively. The TGF‑β1‑Smad2/Smad3 pathway is one of the important mechanisms involved in endometrial fibrosis. However, whether aspirin can inhibit endometrial fibrosis through the TGF‑β1‑Smad2/Smad3 pathway to prevent postoperative re‑adhesion remains to be elucidated. The results of the present study suggested that aspirin inhibits endometrial fibrosis by suppressing the TGF‑β1‑Smad2/Smad3 pathway, which may provide new hypotheses for the mechanism of action of aspirin in the treatment of IUAs.
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Affiliation(s)
- Zihui Zhang
- Department of Obstetrics and Gynaecology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Shuang Li
- Department of Obstetrics and Gynaecology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Jie Deng
- Department of Obstetrics and Gynaecology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Shaorong Yang
- Department of Pathology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Ziwu Xiang
- Department of Pathology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Hongyan Guo
- Department of Obstetrics and Gynaecology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Hongli Xi
- Department of Obstetrics and Gynaecology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Ming Sang
- Department of Obstetrics and Gynaecology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
| | - Wei Zhang
- Department of Obstetrics and Gynaecology, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, Hubei 441000, P.R. China
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MicroRNA-31/184 is involved in transforming growth factor-β-induced apoptosis in A549 human alveolar adenocarcinoma cells. Life Sci 2019; 242:117205. [PMID: 31874165 DOI: 10.1016/j.lfs.2019.117205] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 12/04/2019] [Accepted: 12/17/2019] [Indexed: 12/25/2022]
Abstract
AIMS TGF-β-induced alveolar epithelial cells apoptosis were involved in idiopathic pulmonary fibrosis (IPF). This study aimed to explore potential targets and mechanisms of IPF. MAIN METHODS mRNA and microRNA arrays were used to analyze differentially expressed genes and miRNAs. Several essential targets of TGF-β-SMADs and TGF-β-PI3K-AKT pathways were detected. KEY FINDINGS miR-31 and miR-184 expression levels were positively correlated with smad6 and smad2/akt expression levels in IPF patients. TGF-β could induce miR-31 and suppress miR-184 levels in A549 cells. miR-31 was confirmed to bind to the smad6-3'UTR and functionally suppress its expression. Down-regulated SMAD6 enhanced SMAD2/SMAD4 dimer formation and translocation due to its failure to prevent SMAD2 phosphorylation. In contrast, anti-fibrotic functions of miR-184 were abolished due to TGF-β directly suppressing miR-184 levels in A549 cells. When A549 was stimulated by TGF-β combined with or without miR-31 inhibitor/miR-184 mimic, it was showed that depleted miR-31 and/or increased miR-184 significantly ameliorated TGF-β-induced viability of A549 cells, as well as inhibited the expression of profibrotic factors, MMP7 and RUNX2. SIGNIFICANCE Inhibiting miR-31 and/or promoting miR-184 protect against TGF-β-induced fibrogenesis by respectively repressing the TGF-β-SMAD2 and TGF-β-PI3K-AKT signaling pathways, implying that miR-31/184 are potential targets and suggesting a new management strategy for IPF.
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Song M, Peng H, Guo W, Luo M, Duan W, Chen P, Zhou Y. Cigarette Smoke Extract Promotes Human Lung Myofibroblast Differentiation by the Induction of Endoplasmic Reticulum Stress. Respiration 2019; 98:347-356. [DOI: 10.1159/000502099] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 07/10/2019] [Indexed: 11/19/2022] Open
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