101
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Ricciardi L, Giurato G, Memoli D, Pietrafesa M, Dal Col J, Salvato I, Nigro A, Vatrella A, Caramori G, Casolaro V, Stellato C. Posttranscriptional Gene Regulatory Networks in Chronic Airway Inflammatory Diseases: In silico Mapping of RNA-Binding Protein Expression in Airway Epithelium. Front Immunol 2020; 11:579889. [PMID: 33178205 PMCID: PMC7596416 DOI: 10.3389/fimmu.2020.579889] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 08/19/2020] [Indexed: 12/20/2022] Open
Abstract
Background: Posttranscriptional gene regulation (PTGR) contributes to inflammation through alterations in messenger RNA (mRNA) turnover and translation rates. RNA-binding proteins (RBPs) coordinate these processes but their role in lung inflammatory diseases is ill-defined. We evaluated the expression of a curated list of mRNA-binding RBPs (mRBPs) in selected Gene Expression Omnibus (GEO) transcriptomic databases of airway epithelium isolated from chronic obstructive pulmonary disease (COPD), severe asthma (SA) and matched control subjects, hypothesizing that global changes in mRBPs expression could be used to infer their pathogenetic roles and identify novel disease-related regulatory networks. Methods: A published list of 692 mRBPs [Nat Rev Genet 2014] was searched in GEO datasets originated from bronchial brushings of stable COPD patients (C), smokers (S), non-smokers (NS) controls with normal lung function (n = 6/12/12) (GEO ID: GSE5058) and of (SA) and healthy control (HC) (n = 6/12) (GSE63142). Fluorescence intensity data were extracted and normalized on the medians for fold change (FC) comparisons. FCs were set at ≥ |1.5| with a false discovery rate (FDR) of ≤ 0.05. Pearson correlation maps and heatmaps were generated using tMEV tools v4_9_0.45. DNA sequence motifs were searched using PScan-ChIP. Gene Ontology (GO) was performed with Ingenuity Pathway Analysis (IPA) tool. Results: Significant mRBP expression changes were detected for S/NS, COPD/NS and COPD/S (n = 41, 391, 382, respectively). Of those, 32% of genes changed by FC ≥ |1.5| in S/NS but more than 60% in COPD/NS and COPD/S (n = 13, 267, 257, respectively). Genes were predominantly downregulated in COPD/NS (n = 194, 73%) and COPD/S (n = 202, 79%), less so in S/NS (n = 4, 31%). Unsupervised cluster analysis identified in 4 out of 12 S the same mRBP pattern seen in C, postulating subclinical COPD. Significant DNA motifs enrichment for transcriptional regulation was found for downregulated RBPs. Correlation analysis identified five clusters of co-expressed mRBPs. GO analysis revealed significant enrichments in canonical pathways both specific and shared among comparisons. Unexpectedly, no significant mRBPs modulation was found in SA compared to controls. Conclusions: Airway epithelial mRBPs profiling reveals a COPD-specific global downregulation of RBPs shared by a subset of control smokers, the potential of functional cooperation by coexpressed RBPs and significant impact on relevant pathogenetic pathways in COPD. Elucidation of PTGR in COPD could identify disease biomarkers or pathways for therapeutic targeting.
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Affiliation(s)
- Luca Ricciardi
- Department of Medicine, Surgery and Dentistry Scuola Medica Salernitana, University of Salerno, Salerno, Italy
| | - Giorgio Giurato
- Department of Medicine, Surgery and Dentistry Scuola Medica Salernitana, University of Salerno, Salerno, Italy
| | - Domenico Memoli
- Department of Medicine, Surgery and Dentistry Scuola Medica Salernitana, University of Salerno, Salerno, Italy
| | - Mariagrazia Pietrafesa
- Department of Medicine, Surgery and Dentistry Scuola Medica Salernitana, University of Salerno, Salerno, Italy
| | - Jessica Dal Col
- Department of Medicine, Surgery and Dentistry Scuola Medica Salernitana, University of Salerno, Salerno, Italy
| | - Ilaria Salvato
- Pulmonology, Department of Biomedical Sciences, Dentistry and Morphological and Functional Imaging (BIOMORF), University of Messina, Messina, Italy
| | - Annunziata Nigro
- Department of Medicine, Surgery and Dentistry Scuola Medica Salernitana, University of Salerno, Salerno, Italy
| | - Alessandro Vatrella
- Department of Medicine, Surgery and Dentistry Scuola Medica Salernitana, University of Salerno, Salerno, Italy
| | - Gaetano Caramori
- Pulmonology, Department of Biomedical Sciences, Dentistry and Morphological and Functional Imaging (BIOMORF), University of Messina, Messina, Italy
| | - Vincenzo Casolaro
- Department of Medicine, Surgery and Dentistry Scuola Medica Salernitana, University of Salerno, Salerno, Italy.,Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Cristiana Stellato
- Department of Medicine, Surgery and Dentistry Scuola Medica Salernitana, University of Salerno, Salerno, Italy.,Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, United States
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Yan X, Xu L, Shi B, Wang H, Xu X, Xu G. Epidemiology and risk factors of chronic obstructive pulmonary disease in Suzhou: a population-based cross-sectional study. J Thorac Dis 2020; 12:5347-5356. [PMID: 33209368 PMCID: PMC7656423 DOI: 10.21037/jtd-20-1616] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Background The prevalence of chronic obstructive pulmonary disease (COPD) in Suzhou remains still unknown. The aim of this study was to quantify the disease burden and assess the risk factors of COPD. Methods This was a population-based, cross-sectional study of adults aged 40 years and older in Suzhou. A total of 4,864 adults were identified from June 2018 to December 2018 and 4,725 adults were finally recruited. Subjects underwent post-bronchodilator spirometry and were diagnosed according to the 2018 Global Initiative for Chronic Obstructive Lung Disease (GOLD). Results The data from 4,725 adults were ultimately included in the final analysis. The overall prevalence of COPD in subjects aged 40 and older was 12.4%, while it was 12.3% in men and 12.5% in women. Risk factors identified by multivariable logistic analysis were age (P<0.05, OR =2.29, 95% CI, 1.83–2.88) and underweight (BMI <18.5 kg/m2) (P<0.05, OR =1.57, 95% CI, 1.01–2.44). COPD patients also displayed weaker grip strength (P<0.001). Approximately half (50.7%) the COPD patients were asymptomatic, and compared with asymptomatic COPD patients, symptomatic COPD patients were older (69.5 vs. 67.2, P<0.05), smoked more frequently (12.1 vs. 7.1 pack year, P<0.05), had a more severe GOLD stage (stage I 27.0% vs. 39.4%, stage II 50.2% vs. 46.8%, stage III 17.0% vs. 11.1%, stage IV 5.8% vs. 2.7%, P<0.05), and a worse lung function index (FEV1, FVC, PEF, FEF25, FEF50, FEF75, FEF2575) (P<0.05). Conclusions COPD was found to be highly prevalent in adults aged 40 years and older in Suzhou. Age and underweight were major risk factors of COPD. Half of the COPD patients were asymptomatic, and displayed decreased lung function upon the onset of respiratory symptoms. Therefore, spirometry screening is essential for the early detection and management of COPD.
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Affiliation(s)
- Xiaopei Yan
- Department of Pulmonary and Critical Care Medicine, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, China
| | - Li Xu
- Department of Pulmonary and Critical Care Medicine, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, China
| | - Baoyu Shi
- Department of Pulmonary and Critical Care Medicine, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, China
| | - Hui Wang
- Department of Pulmonary and Critical Care Medicine, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, China
| | - Xiao Xu
- Department of Pulmonary and Critical Care Medicine, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, China
| | - Guopeng Xu
- Department of Pulmonary and Critical Care Medicine, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, China
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Easter M, Bollenbecker S, Barnes JW, Krick S. Targeting Aging Pathways in Chronic Obstructive Pulmonary Disease. Int J Mol Sci 2020; 21:E6924. [PMID: 32967225 PMCID: PMC7555616 DOI: 10.3390/ijms21186924] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/05/2020] [Accepted: 09/15/2020] [Indexed: 12/17/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) has become a global epidemic and is the third leading cause of death worldwide. COPD is characterized by chronic airway inflammation, loss of alveolar-capillary units, and progressive decline in lung function. Major risk factors for COPD are cigarette smoking and aging. COPD-associated pathomechanisms include multiple aging pathways such as telomere attrition, epigenetic alterations, altered nutrient sensing, mitochondrial dysfunction, cell senescence, stem cell exhaustion and chronic inflammation. In this review, we will highlight the current literature that focuses on the role of age and aging-associated signaling pathways as well as their impact on current treatment strategies in the pathogenesis of COPD. Furthermore, we will discuss established and experimental COPD treatments including senolytic and anti-aging therapies and their potential use as novel treatment strategies in COPD.
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Affiliation(s)
- Molly Easter
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL 35294, USA; (M.E.); (S.B.); (J.W.B.)
| | - Seth Bollenbecker
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL 35294, USA; (M.E.); (S.B.); (J.W.B.)
| | - Jarrod W. Barnes
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL 35294, USA; (M.E.); (S.B.); (J.W.B.)
- Gregory Fleming James Cystic Fibrosis Center, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Stefanie Krick
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL 35294, USA; (M.E.); (S.B.); (J.W.B.)
- Gregory Fleming James Cystic Fibrosis Center, The University of Alabama at Birmingham, Birmingham, AL 35294, USA
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Liu D, Meister M, Zhang S, Vong CI, Wang S, Fang R, Li L, Wang PG, Massion P, Ji X. Identification of lipid biomarker from serum in patients with chronic obstructive pulmonary disease. Respir Res 2020; 21:242. [PMID: 32957957 PMCID: PMC7507726 DOI: 10.1186/s12931-020-01507-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 09/11/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is the third leading cause of death in the United States with no effective treatment. The current diagnostic method, spirometry, does not accurately reflect the severity of COPD disease status. Therefore, there is a pressing unmet medical need to develop noninvasive methods and reliable biomarkers to detect early stages of COPD. Lipids are the fundamental components of cell membranes, and dysregulation of lipids was proven to be associated with COPD. Lipidomics is a comprehensive approach to all the pathways and networks of cellular lipids in biological systems. It is widely used for disease diagnosis, biomarker identification, and pathology disorders detection relating to lipid metabolism. METHODS In the current study, a total of 25 serum samples were collected from 5 normal control subjects and 20 patients with different stages of COPD according to the global initiative for chronic obstructive lung disease (GOLD) (GOLD stages I ~ IV, 5 patients per group). After metabolite extraction, lipidomic analysis was performed using electrospray ionization mass spectrometry (ESI-MS) to detect the serum lipid species. Later, the comparisons of individual lipids were performed between controls and patients with COPD. Orthogonal projections to latent structures discriminant analysis (OPLS-DA) and receiver operating characteristic (ROC) analysis were utilized to test the potential biomarkers. Finally, correlations between the validated lipidomic biomarkers and disease stages, age, FEV1% pack years and BMI were evaluated. RESULTS Our results indicate that a panel of 50 lipid metabolites including phospholipids, sphingolipids, glycerolipids, and cholesterol esters can be used to differentiate the presence of COPD. Among them, 10 individual lipid species showed significance (p < 0.05) with a two-fold change. In addition, lipid ratios between every two lipid species were also evaluated as potential biomarkers. Further multivariate data analysis and receiver operating characteristic (ROC: 0.83 ~ 0.99) analysis suggest that four lipid species (AUC:0.86 ~ 0.95) and ten lipid ratios could be potential biomarkers for COPD (AUC:0.94 ~ 1) with higher sensitivity and specificity. Further correlation analyses indicate these potential biomarkers were not affected age, BMI, stages and FEV1%, but were associated with smoking pack years. CONCLUSION Using lipidomics and statistical methods, we identified unique lipid signatures as potential biomarkers for diagnosis of COPD. Further validation studies of these potential biomarkers with large population may elucidate their roles in the development of COPD.
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Affiliation(s)
- Ding Liu
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Maureen Meister
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
- Department of Nutrition, Georgia State University, Atlanta, 30302, USA
| | - Shiying Zhang
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Chi-In Vong
- Department of Nutrition, Georgia State University, Atlanta, 30302, USA
| | - Shuaishuai Wang
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Ruixie Fang
- Department of Mathematics and Statistics, Georgia State University, Atlanta, GA, 30302, USA
| | - Lei Li
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Peng George Wang
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Pierre Massion
- Cancer Early Detection and Prevention Initiative, Vanderbilt Ingram Cancer Center; Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University School of Medicine, Nashville, TN, 37232, USA
| | - Xiangming Ji
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA.
- Department of Nutrition, Georgia State University, Atlanta, 30302, USA.
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Kitjakrancharoensin P, Yasan K, Hongyantarachai K, Ratanachokthorani K, Thammasarn J, Kuwuttiwai D, Ekanaprach T, Jittakarm R, Nuntapravechpun R, Hotarapavanon S, Kulrattanarak S, Tongkaew S, Deemeechai S, Mungthin M, Rangsin R, Wongsrichanalai V, Sakboonyarat B. Prevalence and Risk Factors of Chronic Obstructive Pulmonary Disease Among Agriculturists in a Rural Community, Central Thailand. Int J Chron Obstruct Pulmon Dis 2020; 15:2189-2198. [PMID: 32982211 PMCID: PMC7501975 DOI: 10.2147/copd.s262050] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 08/31/2020] [Indexed: 12/15/2022] Open
Abstract
Purpose The present study aimed to determine the prevalence and risk factors of chronic obstructive pulmonary disease (COPD) among agriculturists in a remote rural community in central Thailand. Methods A cross-sectional study was conducted in January 2020. Face-to-face interviews were conducted using standardized questionnaires to determine demographic characteristics and risk behaviors. COPD was defined by the spirometric criterion for airflow limitation constituting a postbronchodilator fixed ratio of FEV1/FVC <0.70 following the Global Initiative for Chronic Obstructive Lung Disease (GOLD) guidelines 2019. Multivariable logistic regression analysis was used to determine the risk factors for COPD, and the magnitude of association was presented as adjusted odds ratio (AOR) with 95% confidence interval (95% CI). Results A total of 546 agriculturists were enrolled in the study. The overall prevalence of COPD was 5.5% (95% CI: 3.6–7.4). The prevalence of COPD among males was 8.0% (95% CI: 4.7–11.3), and 3.2% (95% CI: 1.1–5.2) among females. The risk factors of COPD included age ≥60 years old (AOR 2.7, 95% CI: 1.1–7.0), higher intensity of smoking (AOR 1.1, 95% CI: 1.0–1.1), swine farm worker (AOR 4.1, 95% CI: 1.7–10.3), cattle farm worker (AOR 3.3, 95% CI: 1.4–8.2) and home cooking (AOR 2.7, 95% CI: 0.8–9.7). Conclusion Our data emphasized that COPD was one of the significant health problems among agriculturists in a rural community. Agricultural jobs such as animal farmers and behavioral factors such as smoking were associated with COPD. Effective public health interventions, especially, modifying risk behaviors, should be promoted in remote rural areas to prevent the disease and reduce its morbidity and mortality.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | - Mathirut Mungthin
- Department of Pharmacology, Phramongkutklao College of Medicine, Bangkok, Thailand
| | - Ram Rangsin
- Department of Military and Community Medicine, Phramongkutklao College of Medicine, Bangkok, Thailand
| | | | - Boonsub Sakboonyarat
- Department of Military and Community Medicine, Phramongkutklao College of Medicine, Bangkok, Thailand
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106
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Marshall K, Liu Z, Olfert IM, Gao W. Chronic electronic cigarette use elicits molecular changes related to pulmonary pathogenesis. Toxicol Appl Pharmacol 2020; 406:115224. [PMID: 32890605 DOI: 10.1016/j.taap.2020.115224] [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: 03/18/2020] [Revised: 08/26/2020] [Accepted: 08/31/2020] [Indexed: 12/23/2022]
Abstract
The relative safety of chronic exposure to electronic cigarette (e-cig) aerosol remains unclear in terms of lung pathogenesis. Therefore, this study aims to evaluate gene/protein biomarkers, which are associated with cigarette-induced pulmonary injury in animals chronically exposed to nicotine containing e-cig aerosol. C57BL/6 J mice were randomly assigned to three exposure groups: e-cig, tobacco cigarette smoke, and filtered air. Lung tissues and/or paraffin embedded slides were used to evaluate gene and/or protein expressions of the CYP450 metabolism (CYP1A1, CYP2A5, and CYP3A11), oxidative stress (Nrf2, SOD1), epithelial-mesenchymal transition (E-cadherin and vimentin), lung pathogenesis (AhR), and survival/apoptotic pathways (p-AKT, BCL-XL, p53, p21, and CRM1). Expressions of E-cadherin and CRM1 were significantly decreased, while CYP1A1, AhR, SOD1 and BCL-XL were significantly upregulated in the e-cig group compared to the control (p < 0.05). Nuclear sub-cellular localization of p53, evaluated by immunohistochemistry staining, in bronchiolar tissues was higher in the e-cig group (25.3 ± 2.7%) as compared to controls (12.1 ± 1.8%) (p < 0.01). Although the biomarkers responses were not identical, in general, the responses had similar qualitative trends between the e-cig and cigarette groups. As these related molecular changes are involved in the pathogenesis of cigarette-induced lung injury, the possibility exists that e-cigs can produce a similar outcome. Although further investigation is warranted, e-cigs are unlikely to be considered as safe in terms of pulmonary health.
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Affiliation(s)
- Kent Marshall
- Department of Occupational and Environmental Health Sciences, West Virginia University School of Public Health, Morgantown, WV 26506, United States of America; West Virginia Clinical and Translational Science Institute, Morgantown, WV 26506, United States of America
| | - Zhongwei Liu
- Department of Occupational and Environmental Health Sciences, West Virginia University School of Public Health, Morgantown, WV 26506, United States of America
| | - I Mark Olfert
- West Virginia Clinical and Translational Science Institute, Morgantown, WV 26506, United States of America; Center for Inhalation Toxicology, Morgantown, WV 26506, United States of America; West Virginia University School of Medicine, Division of Exercise Physiology, Morgantown, WV 26506, United States of America
| | - Weimin Gao
- Department of Occupational and Environmental Health Sciences, West Virginia University School of Public Health, Morgantown, WV 26506, United States of America; West Virginia Clinical and Translational Science Institute, Morgantown, WV 26506, United States of America; Center for Inhalation Toxicology, Morgantown, WV 26506, United States of America.
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107
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Tsutsumi A, Ozaki M, Chubachi S, Irie H, Sato M, Kameyama N, Sasaki M, Ishii M, Hegab AE, Betsuyaku T, Fukunaga K. Exposure to Cigarette Smoke Enhances the Stemness of Alveolar Type 2 Cells. Am J Respir Cell Mol Biol 2020; 63:293-305. [PMID: 32338993 DOI: 10.1165/rcmb.2019-0188oc] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 04/27/2020] [Indexed: 12/16/2022] Open
Abstract
Chronic exposure to cigarette smoke (CS) causes chronic inflammation, oxidative stress, and apoptosis of epithelial cells, which results in destruction of the lung matrix. However, the mechanism by which the lung fails to repair the CS-induced damage, thereby succumbing to emphysema, remains unclear. Alveolar type 2 (AT2) cells comprise the stem cells of the alveolar compartments and are responsible for repairing and maintaining lung tissues. In this study, we examined the effect of chronic CS on AT2 stem cells. Adult mice expressing GFP in their AT2 cells were exposed to CS for > 3 months. Histological assessment showed that CS not only induced emphysematous changes but also increased the number of AT2 cells compared with that of air-exposed lungs. Assessment of sorted GFP+/AT2 cells via the stem cell three-dimensional organoid/colony-forming assay revealed that the number and size of the colonies formed by the CS-exposed AT2 stem cells were significantly higher than those of air-exposed control AT2 cells. Although CS-exposed lungs had more apoptotic cells, examination of the surviving AT2 stem cells in two-dimensional in vitro culture revealed that they developed a higher ability to resist apoptosis. Microarray analysis of CS-exposed AT2 stem cells revealed the upregulation of genes related to circadian rhythm and inflammatory pathways. In conclusion, we provide evidence that AT2 stem cells respond to chronic CS exposure by activating their stem cell function, thereby proliferating and differentiating faster and becoming more resistant to apoptosis. Disturbances in expression levels of several circadian rhythm-related genes might be involved in these changes.
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Affiliation(s)
- Akihiro Tsutsumi
- Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Mari Ozaki
- Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Shotaro Chubachi
- Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Hidehiro Irie
- Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Minako Sato
- Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Naofumi Kameyama
- Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Mamoru Sasaki
- Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Makoto Ishii
- Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Ahmed E Hegab
- Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Tomoko Betsuyaku
- Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Koichi Fukunaga
- Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan
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108
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Rezaei S, Mahjoubin-Tehran M, Aghaee-Bakhtiari SH, Jalili A, Movahedpour A, Khan H, Moghoofei M, Shojaei Z, R Hamblin M, Mirzaei H. Autophagy-related MicroRNAs in chronic lung diseases and lung cancer. Crit Rev Oncol Hematol 2020; 153:103063. [DOI: 10.1016/j.critrevonc.2020.103063] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 06/11/2020] [Accepted: 07/12/2020] [Indexed: 12/24/2022] Open
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Ornatowski W, Lu Q, Yegambaram M, Garcia AE, Zemskov EA, Maltepe E, Fineman JR, Wang T, Black SM. Complex interplay between autophagy and oxidative stress in the development of pulmonary disease. Redox Biol 2020; 36:101679. [PMID: 32818797 PMCID: PMC7451718 DOI: 10.1016/j.redox.2020.101679] [Citation(s) in RCA: 206] [Impact Index Per Article: 51.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/20/2020] [Accepted: 08/04/2020] [Indexed: 12/16/2022] Open
Abstract
The autophagic pathway involves the encapsulation of substrates in double-membraned vesicles, which are subsequently delivered to the lysosome for enzymatic degradation and recycling of metabolic precursors. Autophagy is a major cellular defense against oxidative stress, or related conditions that cause accumulation of damaged proteins or organelles. Selective forms of autophagy can maintain organelle populations or remove aggregated proteins. Dysregulation of redox homeostasis under pathological conditions results in excessive generation of reactive oxygen species (ROS), leading to oxidative stress and the associated oxidative damage of cellular components. Accumulating evidence indicates that autophagy is necessary to maintain redox homeostasis. ROS activates autophagy, which facilitates cellular adaptation and diminishes oxidative damage by degrading and recycling intracellular damaged macromolecules and dysfunctional organelles. The cellular responses triggered by oxidative stress include the altered regulation of signaling pathways that culminate in the regulation of autophagy. Current research suggests a central role for autophagy as a mammalian oxidative stress response and its interrelationship to other stress defense systems. Altered autophagy phenotypes have been observed in lung diseases such as chronic obstructive lung disease, acute lung injury, cystic fibrosis, idiopathic pulmonary fibrosis, and pulmonary arterial hypertension, and asthma. Understanding the mechanisms by which ROS regulate autophagy will provide novel therapeutic targets for lung diseases. This review highlights our current understanding on the interplay between ROS and autophagy in the development of pulmonary disease.
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Affiliation(s)
- Wojciech Ornatowski
- Department of Medicine, The University of Arizona Health Sciences, Tucson, AZ, USA
| | - Qing Lu
- Department of Medicine, The University of Arizona Health Sciences, Tucson, AZ, USA
| | | | - Alejandro E Garcia
- Department of Medicine, The University of Arizona Health Sciences, Tucson, AZ, USA
| | - Evgeny A Zemskov
- Department of Medicine, The University of Arizona Health Sciences, Tucson, AZ, USA
| | - Emin Maltepe
- Department of Pediatrics, The University of California, San Francisco, San Francisco, CA, USA
| | - Jeffrey R Fineman
- Department of Pediatrics, The University of California, San Francisco, San Francisco, CA, USA; Cardiovascular Research Institute, University of California, San Francisco, San Francisco, CA, USA
| | - Ting Wang
- Department of Internal Medicine, The University of Arizona Health Sciences, Phoenix, AZ, USA
| | - Stephen M Black
- Department of Medicine, The University of Arizona Health Sciences, Tucson, AZ, USA.
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Abstract
BACKGROUND A meta-analysis was performed to evaluate the relationship between chronic obstructive pulmonary disease (COPD) and occupational dust exposure, and to provide a scientific basis for the prevention and treatment of COPD caused by occupational factors. METHODS PubMed and Embase databases were used to search for original epidemiological literature related to theme. Both random and fixed effects models were used to calculate pooled odds ratios and their corresponding 95% confidence intervals. Review Manager was used to perform data analysis. RESULTS Nine studies were included in the meta-analysis in accordance with the inclusion criteria. There was a significantly obvious correlation between occupational dust exposure and COPD of the population-based studies assessed in this article. The risk of developing COPD for workers exposed to dust was 1.51 times higher than for controls (I = 40%, 95% confidence interval: 1.27-1.79). The presence of publication bias was not found. CONCLUSION The study provided evidence supporting the association between occupational dust exposure and the risk of developing COPD.
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Affiliation(s)
- Cong Peng
- Shandong First Medical University & Shandong Academy of Medical Sciences, Taian
- Shandong Academy Occupational Health and Occupational Medicine
| | - Yongjian Yan
- Shandong Academy Occupational Health and Occupational Medicine
| | - Zhen Li
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, China
| | - Yuxin Jiang
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, China
| | - Yu Cai
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, China
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Morrow JD, Make B, Regan E, Han M, Hersh CP, Tal-Singer R, Quackenbush J, Choi AMK, Silverman EK, DeMeo DL. DNA Methylation Is Predictive of Mortality in Current and Former Smokers. Am J Respir Crit Care Med 2020; 201:1099-1109. [PMID: 31995399 DOI: 10.1164/rccm.201902-0439oc] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Rationale: Smoking results in at least a decade lower life expectancy. Mortality among current smokers is two to three times as high as never smokers. DNA methylation is an epigenetic modification of the human genome that has been associated with both cigarette smoking and mortality.Objectives: We sought to identify DNA methylation marks in blood that are predictive of mortality in a subset of the COPDGene (Genetic Epidemiology of COPD) study, representing 101 deaths among 667 current and former smokers.Methods: We assayed genome-wide DNA methylation in non-Hispanic white smokers with and without chronic obstructive pulmonary disease (COPD) using blood samples from the COPDGene enrollment visit. We tested whether DNA methylation was associated with mortality in models adjusted for COPD status, age, sex, current smoking status, and pack-years of cigarette smoking. Replication was performed in a subset of 231 individuals from the ECLIPSE (Evaluation of COPD Longitudinally to Identify Predictive Surrogate Endpoints) study.Measurements and Main Results: We identified seven CpG sites associated with mortality (false discovery rate < 20%) that replicated in the ECLIPSE cohort (P < 0.05). None of these marks were associated with longitudinal lung function decline in survivors, smoking history, or current smoking status. However, differential methylation of two replicated PIK3CD (phosphatidylinositol-4,5-bisphosphate 3-kinase catalytic subunit delta) sites were associated with lung function at enrollment (P < 0.05). We also observed associations between DNA methylation and gene expression for the PIK3CD sites.Conclusions: This study is the first to identify variable DNA methylation associated with all-cause mortality in smokers with and without COPD. Evaluating predictive epigenomic marks of smokers in peripheral blood may allow for targeted risk stratification and aid in delivery of future tailored therapeutic interventions.
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Affiliation(s)
| | - Barry Make
- National Jewish Health, Denver, Colorado
| | | | - MeiLan Han
- Division of Pulmonary and Critical Care Medicine, University of Michigan, Ann Arbor, Michigan
| | - Craig P Hersh
- Channing Division of Network Medicine and.,Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital, Boston, Massachusetts
| | | | - John Quackenbush
- Department of Biostatistics and Computational Biology, Dana-Farber Cancer Institute, Boston, Massachusetts; and
| | - Augustine M K Choi
- Department of Medicine, NewYork-Presbyterian/Weill Cornell Medical Center, New York, New York
| | - Edwin K Silverman
- Channing Division of Network Medicine and.,Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital, Boston, Massachusetts
| | - Dawn L DeMeo
- Channing Division of Network Medicine and.,Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital, Boston, Massachusetts
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112
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Do-Umehara HC, Chen C, Zhang Q, Misharin AV, Abdala-Valencia H, Casalino-Matsuda SM, Reyfman PA, Anekalla KR, Gonzalez-Gonzalez FJ, Sala MA, Peng C, Wu P, Wong CCL, Kalhan R, Bharat A, Perlman H, Ridge KM, Sznajder JI, Sporn PHS, Chandel NS, Yu J, Fu X, Petrache I, Tuder R, Budinger GRS, Liu J. Epithelial cell-specific loss of function of Miz1 causes a spontaneous COPD-like phenotype and up-regulates Ace2 expression in mice. SCIENCE ADVANCES 2020; 6:eabb7238. [PMID: 32851183 PMCID: PMC7428331 DOI: 10.1126/sciadv.abb7238] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 07/02/2020] [Indexed: 05/19/2023]
Abstract
Cigarette smoking, the leading cause of chronic obstructive pulmonary disease (COPD), has been implicated as a risk factor for severe disease in patients infected with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Here we show that mice with lung epithelial cell-specific loss of function of Miz1, which we identified as a negative regulator of nuclear factor κB (NF-κB) signaling, spontaneously develop progressive age-related changes resembling COPD. Furthermore, loss of Miz1 up-regulates the expression of Ace2, the receptor for SARS-CoV-2. Concomitant partial loss of NF-κB/RelA prevented the development of COPD-like phenotype in Miz1-deficient mice. Miz1 protein levels are reduced in the lungs from patients with COPD, and in the lungs of mice exposed to chronic cigarette smoke. Our data suggest that Miz1 down-regulation-induced sustained activation of NF-κB-dependent inflammation in the lung epithelium is sufficient to induce progressive lung and airway destruction that recapitulates features of COPD, with implications for COVID-19.
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Affiliation(s)
- Hanh Chi Do-Umehara
- Department of Surgery, College of Medicine and University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Cong Chen
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Qiao Zhang
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Alexander V. Misharin
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Hiam Abdala-Valencia
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - S. Marina Casalino-Matsuda
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Paul A. Reyfman
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Kishore R. Anekalla
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Francisco J. Gonzalez-Gonzalez
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Marc A. Sala
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Chao Peng
- National Facility for Protein Science in Shanghai, Zhangjiang Lab, SARI, CAS, Shanghai 201210, China
| | - Ping Wu
- National Facility for Protein Science in Shanghai, Zhangjiang Lab, SARI, CAS, Shanghai 201210, China
| | | | - Ravi Kalhan
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Ankit Bharat
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
- Division of Thoracic Surgery, Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Harris Perlman
- Division of Rheumatology, Northwestern University Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Karen M. Ridge
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Jacob I. Sznajder
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Peter H. S. Sporn
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
- Jesse Brown Veterans Affairs Medical Center, Chicago, IL 60612, USA
| | - Navdeep S. Chandel
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Jindan Yu
- Division of Hematology/Oncology, Northwestern University Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Xiangdong Fu
- Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, CA 92093-0651, USA; Institute of Genomic Medicine, University of California, San Diego, La Jolla, CA 92093-0651, USA
| | - Irina Petrache
- National Jewish Health, 1400 Jackson Street, Molly Blank Building, J203, Denver, CO 80206, USA
- University of Colorado at Denver Health Sciences Center, Department of Medicine, Division of Pulmonary Sciences and Critical Care Medicine, Denver, CO 80206, USA
| | - Rubin Tuder
- University of Colorado at Denver Health Sciences Center, Department of Medicine, Division of Pulmonary Sciences and Critical Care Medicine, Denver, CO 80206, USA
| | - G. R. Scott Budinger
- Division of Pulmonary and Critical Care Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
- Jesse Brown Veterans Affairs Medical Center, Chicago, IL 60612, USA
| | - Jing Liu
- Department of Surgery, College of Medicine and University of Illinois Cancer Center, University of Illinois at Chicago, Chicago, IL 60612, USA
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113
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Kobayashi Y, Tata A, Konkimalla A, Katsura H, Lee RF, Ou J, Banovich NE, Kropski JA, Tata PR. Persistence of a regeneration-associated, transitional alveolar epithelial cell state in pulmonary fibrosis. Nat Cell Biol 2020; 22:934-946. [PMID: 32661339 PMCID: PMC7461628 DOI: 10.1038/s41556-020-0542-8] [Citation(s) in RCA: 291] [Impact Index Per Article: 72.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 06/08/2020] [Indexed: 12/21/2022]
Abstract
Stem cells undergo dynamic changes in response to injury to regenerate lost cells. However, the identity of transitional states and the mechanisms that drive their trajectories remain understudied. Using lung organoids, multiple in vivo repair models, single-cell transcriptomics and lineage tracing, we find that alveolar type-2 epithelial cells undergoing differentiation into type-1 cells acquire pre-alveolar type-1 transitional cell state (PATS) en route to terminal maturation. Transitional cells undergo extensive stretching during differentiation, making them vulnerable to DNA damage. Cells in the PATS show an enrichment of TP53, TGFβ, DNA-damage-response signalling and cellular senescence. Gain and loss of function as well as genomic binding assays revealed a direct transcriptional control of PATS by TP53 signalling. Notably, accumulation of PATS-like cells in human fibrotic lungs was observed, suggesting persistence of the transitional state in fibrosis. Our study thus implicates a transient state associated with senescence in normal epithelial tissue repair and its abnormal persistence in disease conditions.
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Affiliation(s)
- Yoshihiko Kobayashi
- Department of Cell Biology, Duke University School of Medicine, Durham, NC, USA
| | - Aleksandra Tata
- Department of Cell Biology, Duke University School of Medicine, Durham, NC, USA
| | - Arvind Konkimalla
- Department of Cell Biology, Duke University School of Medicine, Durham, NC, USA
- Medical Scientist Training Program, Duke University School of Medicine, Durham, NC, USA
| | - Hiroaki Katsura
- Department of Cell Biology, Duke University School of Medicine, Durham, NC, USA
| | - Rebecca F Lee
- Department of Cell Biology, Duke University School of Medicine, Durham, NC, USA
| | - Jianhong Ou
- Department of Cell Biology, Duke University School of Medicine, Durham, NC, USA
- Regeneration Next, Duke University, Durham, NC, USA
| | | | - Jonathan A Kropski
- Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
- Department of Veterans Affairs Medical Center, Nashville, TN, USA
- Department of Cell and Developmental Biology, Vanderbilt University, Nashville, TN, USA
| | - Purushothama Rao Tata
- Department of Cell Biology, Duke University School of Medicine, Durham, NC, USA.
- Regeneration Next, Duke University, Durham, NC, USA.
- Duke Cancer Institute, Duke University School of Medicine, Durham, NC, USA.
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114
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Augustin IML, Spruit MA, Franssen FME, Gaffron S, van Merode F, Wouters EFM. Incorporating Comprehensive Assessment Parameters to Better Characterize and Plan Rehabilitation for Persons with Chronic Obstructive Pulmonary Disease. J Am Med Dir Assoc 2020; 21:1986-1991.e3. [PMID: 32723539 DOI: 10.1016/j.jamda.2020.05.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 05/14/2020] [Accepted: 05/14/2020] [Indexed: 12/24/2022]
Abstract
OBJECTIVES The current management of chronic obstructive pulmonary disease (COPD) largely ignores its heterogeneous pulmonary and extrapulmonary manifestations in the individual patient. This study aimed to identify clusters of patients with COPD based on a thorough traits assessment. DESIGN An observational, prospective, single-center study. SETTING AND PARTICIPANTS Patients with COPD referred by chest physicians for a comprehensive pulmonary rehabilitation program to CIRO (Horn, the Netherlands) were eligible to participate. CIRO is a specialized pulmonary rehabilitation center in the southern part of the Netherlands for patients with complex underlying respiratory diseases. METHODS Clinically stable patients with COPD underwent a comprehensive assessment, including pulmonary traits (airflow limitation, static hyperinflation, gas transfer, respiratory pressures, and arterial blood gases), extrapulmonary functional traits, and health status (quadriceps muscle strength, physical functioning, body composition, comorbidities, symptoms perception, and social and emotional functioning). Clusters were generated using the SOM-Ward Cluster algorithm, a hybrid algorithm that applies the classical hierarchical method of Ward on top of the self-organizing map topology. RESULTS Based on the abovementioned attributes of 518 patients with mild to very severe COPD (44% women, age 64.1 ± 9.1 years, forced expiratory volume in the first second 48.6% ± 20.0% of predicted), 7 clusters were identified. Clusters had unique patterns differing in demographics, pulmonary, extrapulmonary functional, and behavioral traits and/or health status. CONCLUSION AND IMPLICATIONS The tremendous heterogeneity in pulmonary, extrapulmonary functional and behavioral traits, and health status in patients with COPD supports the need for an individual comprehensive assessment and a goal-directed personalized management strategy.
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Affiliation(s)
- Ingrid M L Augustin
- CIRO+, Department of Research & Development, Horn, the Netherlands; NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre, Maastricht, the Netherlands.
| | - Martijn A Spruit
- CIRO+, Department of Research & Development, Horn, the Netherlands; NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre, Maastricht, the Netherlands; Department of Respiratory Medicine, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Frits M E Franssen
- CIRO+, Department of Research & Development, Horn, the Netherlands; NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre, Maastricht, the Netherlands; Department of Respiratory Medicine, Maastricht University Medical Centre, Maastricht, the Netherlands
| | | | - Frits van Merode
- School for Public Health and Primary Care, Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Emiel F M Wouters
- CIRO+, Department of Research & Development, Horn, the Netherlands; NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre, Maastricht, the Netherlands; Ludwig Boltzman Institute for Lung Health, Vienna, Austria
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115
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Xiong H, Huang Q, Shuai T, Zhu L, Zhang C, Zhang M, Wang Y, Liu J. Assessment of comorbidities and prognosis in patients with COPD diagnosed with the fixed ratio and the lower limit of normal: a systematic review and meta-analysis. Respir Res 2020; 21:189. [PMID: 32677946 PMCID: PMC7364614 DOI: 10.1186/s12931-020-01450-9] [Citation(s) in RCA: 7] [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: 11/15/2019] [Accepted: 07/09/2020] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Currently, the diagnosis of chronic obstructive pulmonary disease (COPD) is not uniform, COPD guidelines recommend fixed ratio (FR), whereas ATS and ERS define airflow obstruction based on lower limit of normal (LLN). We aim to determine if there is difference between the two diagnostic criteria for morbidity, mortality, exacerbation. METHODS Four databases and all relevant studies from the references were searched from inception to June 25, 2019, to find studies that described the rate of comorbidity, the exacerbation rates, mortality in COPD patients. Data analysis was performed using STATA/SE 14.0 and followed the standard of Cochrane Collaboration. A sensitivity analysis was performed to find the source of heterogeneity. RESULTS Thirteen studies and 154,447 participants were finally included in this meta-analysis. The 11 cohort studies and 2 cross-sectional studies were all high-quality. Patients with airflow limitation according to either FR or LLN had higher mortality (HRFR+/LLN- = 1.27, 95% CI = 1.14-1.42; HRFR-/LLN+ = 1.83, 95% CI = 1.17-2.86) than those who met neither criteria. When compared with the FR-/LLN- criteria, those who met the FR criteria were more likely to exacerbate (HR FR+/LLN- = 1.64, 95% CI = 1.09-2.46; HR FR-/LLN+ = 1.58, 95% CI = 0.70-3.55). The meta-analysis for comorbidities showed no significant difference between patients who met neither criteria and those who met LLN or FR criteria. CONCLUSION The patients with airflow limitations according to FR were more likely to exacerbate than those with LLN only. Patients that met either FR or LLN were more likely to have higher mortality than FR-/LLN-. There was no difference between the FR+/LLN- and FR-/LLN+ groups for the occurrence of comorbidities.
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Affiliation(s)
- Huaiyu Xiong
- The First Clinical Medical College of the First Hospital of Lanzhou University, Lanzhou, 730000, China
- Department of Intensive Care Unit, The First Hospital of Lanzhou University, No.199 Donggang West Road, Chengguan District, Lanzhou City, 730000, Gansu Province, China
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Qiangru Huang
- The First Clinical Medical College of the First Hospital of Lanzhou University, Lanzhou, 730000, China
- Department of Intensive Care Unit, The First Hospital of Lanzhou University, No.199 Donggang West Road, Chengguan District, Lanzhou City, 730000, Gansu Province, China
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Tiankui Shuai
- The First Clinical Medical College of the First Hospital of Lanzhou University, Lanzhou, 730000, China
- Department of Intensive Care Unit, The First Hospital of Lanzhou University, No.199 Donggang West Road, Chengguan District, Lanzhou City, 730000, Gansu Province, China
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Lei Zhu
- The First Clinical Medical College of the First Hospital of Lanzhou University, Lanzhou, 730000, China
- Department of Intensive Care Unit, The First Hospital of Lanzhou University, No.199 Donggang West Road, Chengguan District, Lanzhou City, 730000, Gansu Province, China
| | - Chuchu Zhang
- The First Clinical Medical College of the First Hospital of Lanzhou University, Lanzhou, 730000, China
- Department of Intensive Care Unit, The First Hospital of Lanzhou University, No.199 Donggang West Road, Chengguan District, Lanzhou City, 730000, Gansu Province, China
| | - Meng Zhang
- The First Clinical Medical College of the First Hospital of Lanzhou University, Lanzhou, 730000, China
- Department of Intensive Care Unit, The First Hospital of Lanzhou University, No.199 Donggang West Road, Chengguan District, Lanzhou City, 730000, Gansu Province, China
| | - Yalei Wang
- The First Clinical Medical College of the First Hospital of Lanzhou University, Lanzhou, 730000, China
- Department of Intensive Care Unit, The First Hospital of Lanzhou University, No.199 Donggang West Road, Chengguan District, Lanzhou City, 730000, Gansu Province, China
| | - Jian Liu
- The First Clinical Medical College of the First Hospital of Lanzhou University, Lanzhou, 730000, China.
- Department of Intensive Care Unit, The First Hospital of Lanzhou University, No.199 Donggang West Road, Chengguan District, Lanzhou City, 730000, Gansu Province, China.
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116
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Schrumpf JA, van der Does AM, Hiemstra PS. Impact of the Local Inflammatory Environment on Mucosal Vitamin D Metabolism and Signaling in Chronic Inflammatory Lung Diseases. Front Immunol 2020; 11:1433. [PMID: 32754156 PMCID: PMC7366846 DOI: 10.3389/fimmu.2020.01433] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 06/03/2020] [Indexed: 02/06/2023] Open
Abstract
Vitamin D plays an active role in the modulation of innate and adaptive immune responses as well as in the protection against respiratory pathogens. Evidence for this immunomodulatory and protective role is derived from observational studies showing an association between vitamin D deficiency, chronic airway diseases and respiratory infections, and is supported by a range of experimental studies using cell culture and animal models. Furthermore, recent intervention studies have now shown that vitamin D supplementation reduces exacerbation rates in vitamin D-deficient patients with chronic obstructive pulmonary disease (COPD) or asthma and decreases the incidence of acute respiratory tract infections. The active vitamin D metabolite, 1,25-dihydroxy-vitamin D (1,25(OH)2D), is known to contribute to the integrity of the mucosal barrier, promote killing of pathogens (via the induction of antimicrobial peptides), and to modulate inflammation and immune responses. These mechanisms may partly explain its protective role against infections and exacerbations in COPD and asthma patients. The respiratory mucosa is an important site of local 1,25(OH)2D synthesis, degradation and signaling, a process that can be affected by exposure to inflammatory mediators. As a consequence, mucosal inflammation and other disease-associated factors, as observed in e.g., COPD and asthma, may modulate the protective actions of 1,25(OH)2D. Here, we discuss the potential consequences of various disease-associated processes such as inflammation and exposure to pathogens and inhaled toxicants on vitamin D metabolism and local responses to 1,25(OH)2D in both immune- and epithelial cells. We furthermore discuss potential consequences of disturbed local levels of 25(OH)D and 1,25(OH)2D for chronic lung diseases. Additional insight into the relationship between disease-associated mechanisms and local effects of 1,25(OH)2D is expected to contribute to the design of future strategies aimed at improving local levels of 1,25(OH)2D and signaling in chronic inflammatory lung diseases.
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Affiliation(s)
- Jasmijn A Schrumpf
- Department of Pulmonology, Leiden University Medical Center, Leiden, Netherlands
| | - Anne M van der Does
- Department of Pulmonology, Leiden University Medical Center, Leiden, Netherlands
| | - Pieter S Hiemstra
- Department of Pulmonology, Leiden University Medical Center, Leiden, Netherlands
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117
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Korfei M, MacKenzie B, Meiners S. The ageing lung under stress. Eur Respir Rev 2020; 29:29/156/200126. [DOI: 10.1183/16000617.0126-2020] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 06/22/2020] [Indexed: 01/10/2023] Open
Abstract
Healthy ageing of the lung involves structural changes but also numerous cell-intrinsic and cell-extrinsic alterations. Among them are the age-related decline in central cellular quality control mechanisms such as redox and protein homeostasis. In this review, we would like to provide a conceptual framework of how impaired stress responses in the ageing lung, as exemplified by dysfunctional redox and protein homeostasis, may contribute to onset and progression of COPD and idiopathic pulmonary fibrosis (IPF). We propose that age-related imbalanced redox and protein homeostasis acts, amongst others (e.g.cellular senescence), as a “first hit” that challenges the adaptive stress-response pathways of the cell, increases the level of oxidative stress and renders the lung susceptible to subsequent injury and disease. In both COPD and IPF, additional environmental insults such as smoking, air pollution and/or infections then serve as “second hits” which contribute to persistently elevated oxidative stress that overwhelms the already weakened adaptive defence and repair pathways in the elderly towards non-adaptive, irremediable stress thereby promoting development and progression of respiratory diseases. COPD and IPF are thus distinct horns of the same devil, “lung ageing”.
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118
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Zhou RH, Zhang JT, Chen C, Xu ZH, Lv XB, Ye L, Yu BT. Identification of CDC5L as bridge gene between chronic obstructive pulmonary disease and lung adenocarcinoma. Epigenomics 2020; 12:1515-1529. [PMID: 32543224 DOI: 10.2217/epi-2020-0112] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Aim: This study aimed to explore the genetic and epigenetic similarities between chronic obstructive pulmonary disease (COPD) and lung adenocarcinoma (LUAD). Materials & methods: We mainly used Weighted correlation network analysis, protein-protein interaction network and pivot analysis to identify hub modules, bridge regulators, bridge genes and hub-driving genes in both diseases and carried out verifying using external datasets. Results: We identified eight bridge regulators, 19 key molecules in the COPD model and ten key molecules in the LUAD model. Moreover, we validated that CDC5L could be a reliable biomarker in COPD and may regulate cell proliferation and metastasis in LUAD via promoter methylation. Conclusion: Our results might form a theoretical foundation for future study at an epigenetic level.
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Affiliation(s)
- Rui-Hao Zhou
- Department of Pain Management, West China Hospital, Sichuan University, Chengdu, Sichuan 610000, PR China
| | - Jing-Tao Zhang
- Department of Thoracic Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Chan Chen
- Department of Anesthesiology & Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, Sichuan 610000, PR China
| | - Zi-Hao Xu
- School of Public Health, Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Xiao-Bin Lv
- Jiangxi Key Laboratory of Cancer Metastasis & Precision Treatment, The Third Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Ling Ye
- Department of Pain Management, West China Hospital, Sichuan University, Chengdu, Sichuan 610000, PR China
| | - Ben-Tong Yu
- Department of Thoracic Surgery, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, PR China
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119
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Seimetz M, Sommer N, Bednorz M, Pak O, Veith C, Hadzic S, Gredic M, Parajuli N, Kojonazarov B, Kraut S, Wilhelm J, Knoepp F, Henneke I, Pichl A, Kanbagli ZI, Scheibe S, Fysikopoulos A, Wu CY, Klepetko W, Jaksch P, Eichstaedt C, Grünig E, Hinderhofer K, Geiszt M, Müller N, Rezende F, Buchmann G, Wittig I, Hecker M, Hecker A, Padberg W, Dorfmüller P, Gattenlöhner S, Vogelmeier CF, Günther A, Karnati S, Baumgart-Vogt E, Schermuly RT, Ghofrani HA, Seeger W, Schröder K, Grimminger F, Brandes RP, Weissmann N. NADPH oxidase subunit NOXO1 is a target for emphysema treatment in COPD. Nat Metab 2020; 2:532-546. [PMID: 32694733 DOI: 10.1038/s42255-020-0215-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 04/27/2020] [Indexed: 12/14/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is a major cause of morbidity and death worldwide. Peroxynitrite, formed from nitric oxide, which is derived from inducible nitric oxide synthase, and superoxide, has been implicated in the development of emphysema, but the source of the superoxide was hitherto not characterized. Here, we identify the non-phagocytic NADPH oxidase organizer 1 (NOXO1) as the superoxide source and an essential driver of smoke-induced emphysema and pulmonary hypertension development in mice. NOXO1 is consistently upregulated in two models of lung emphysema, Cybb (also known as NADPH oxidase 2, Nox2)-knockout mice and wild-type mice with tobacco-smoke-induced emphysema, and in human COPD. Noxo1-knockout mice are protected against tobacco-smoke-induced pulmonary hypertension and emphysema. Quantification of superoxide, nitrotyrosine and multiple NOXO1-dependent signalling pathways confirm that peroxynitrite formation from nitric oxide and superoxide is a driver of lung emphysema. Our results suggest that NOXO1 may have potential as a therapeutic target in emphysema.
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MESH Headings
- Adaptor Proteins, Signal Transducing/drug effects
- Adaptor Proteins, Signal Transducing/genetics
- Adaptor Proteins, Signal Transducing/metabolism
- Animals
- Apoptosis/drug effects
- Emphysema/drug therapy
- Emphysema/etiology
- Emphysema/genetics
- Humans
- Hypertension, Pulmonary/genetics
- Hypertension, Pulmonary/metabolism
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Nitric Oxide/metabolism
- Peroxynitrous Acid/metabolism
- Pulmonary Disease, Chronic Obstructive/complications
- Pulmonary Disease, Chronic Obstructive/drug therapy
- Pulmonary Disease, Chronic Obstructive/genetics
- Signal Transduction/genetics
- Superoxides/metabolism
- Tobacco Smoke Pollution/adverse effects
- Tyrosine/analogs & derivatives
- Tyrosine/metabolism
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Affiliation(s)
- Michael Seimetz
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Natascha Sommer
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Mariola Bednorz
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Oleg Pak
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Christine Veith
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Stefan Hadzic
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Marija Gredic
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Nirmal Parajuli
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
- Division of Basic Biomedical Science, University of South Dakota, Sanford School of Medicine, Vermillion, SD, USA
| | - Baktybek Kojonazarov
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
- Justus-Liebig University, Institute for Lung Health, Giessen, Germany
| | - Simone Kraut
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Jochen Wilhelm
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
- Justus-Liebig University, Institute for Lung Health, Giessen, Germany
| | - Fenja Knoepp
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Ingrid Henneke
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
- Justus-Liebig University, Institute for Lung Health, Giessen, Germany
| | - Alexandra Pichl
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Zeki I Kanbagli
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Susan Scheibe
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Athanasios Fysikopoulos
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Cheng-Yu Wu
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Walter Klepetko
- Department of Cardiothoracic Surgery, University Hospital of Vienna, Vienna, Austria
| | - Peter Jaksch
- Department of Cardiothoracic Surgery, University Hospital of Vienna, Vienna, Austria
| | - Christina Eichstaedt
- Center for Pulmonary Hypertension, Thoraxklinik at Heidelberg University Hospital, Heidelberg, Germany
- Laboratory of Molecular Genetic Diagnostics, Institute of Human Genetics, Heidelberg University, Heidelberg, Germany
- Translational Lung Research Center Heidelberg (TLRC), German Center for Lung Research (DZL), Heidelberg, Germany
| | - Ekkehard Grünig
- Center for Pulmonary Hypertension, Thoraxklinik at Heidelberg University Hospital, Heidelberg, Germany
- Translational Lung Research Center Heidelberg (TLRC), German Center for Lung Research (DZL), Heidelberg, Germany
| | - Katrin Hinderhofer
- Laboratory of Molecular Genetic Diagnostics, Institute of Human Genetics, Heidelberg University, Heidelberg, Germany
| | - Miklós Geiszt
- Department of Physiology, Faculty of Medicine, Semmelweis University, Budapest, Hungary
| | - Niklas Müller
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany
| | - Flavia Rezende
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany
| | - Giulia Buchmann
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany
| | - Ilka Wittig
- Functional Proteomics Group, Goethe-University Hospital, Frankfurt am Main, Germany
| | - Matthias Hecker
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Andreas Hecker
- Department of Surgery, Justus-Liebig University, Giessen, Germany
| | - Winfried Padberg
- Department of Surgery, Justus-Liebig University, Giessen, Germany
| | - Peter Dorfmüller
- Department of Pathology, Justus-Liebig University, Giessen, Germany
| | | | - Claus F Vogelmeier
- Department of Medicine, Pulmonary and Critical Care Medicine, German Center for Lung Research, University of Marburg, Marburg, Germany
| | - Andreas Günther
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Srikanth Karnati
- Institute for Anatomy and Cell Biology II, Division of Medical Cell Biology, Justus-Liebig University Giessen, Giessen, Germany
- Institute of Anatomy and Cell Biology, Julius-Maximilians-University Würzburg, Würzburg, Germany
| | - Eveline Baumgart-Vogt
- Institute for Anatomy and Cell Biology II, Division of Medical Cell Biology, Justus-Liebig University Giessen, Giessen, Germany
| | - Ralph T Schermuly
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Hossein A Ghofrani
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
- Department of Medicine, Imperial College London, London, UK
| | - Werner Seeger
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
- Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Katrin Schröder
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany
| | - Friedrich Grimminger
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany
| | - Ralf P Brandes
- Institute for Cardiovascular Physiology, Goethe University, Frankfurt, Germany
| | - Norbert Weissmann
- Justus-Liebig University, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany.
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120
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Dong Y, Cao H, Cao R, Baranova A. TNFRSF12A and CD38 Contribute to a Vicious Circle for Chronic Obstructive Pulmonary Disease by Engaging Senescence Pathways. Front Cell Dev Biol 2020; 8:330. [PMID: 32537452 PMCID: PMC7268922 DOI: 10.3389/fcell.2020.00330] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 04/16/2020] [Indexed: 12/18/2022] Open
Abstract
Pathogenesis of chronic obstructive pulmonary disease (COPD) is dependent on chronic inflammation and is hypothesized to represent organ-specific senescence phenotype. Identification of senescence-associated gene drivers for the development of COPD is warranted. By employing automated pipeline, we have compiled lists of the genes implicated in COPD (N = 918) and of the genes changing their activity along with cell senescence (N = 262), with a significant (p < 7.06e-60) overlap between these datasets (N = 89). A mega-analysis and a partial mega-analysis were conducted for gene sets linked to senescence but not yet to COPD, in nine independent mRNA expression datasets comprised of tissue samples of COPD cases (N = 171) and controls (N = 256). Mega-analysis of expression has identified CD38 and TNFRSF12A (p < 2.12e-8) as genes not yet explored in a context of senescence-COPD connection. Functional pathway enrichment analysis allowed to generate a model, which explains accelerated aging phenotypes previously observed in COPD patients. Presented results call for investigation of the role of TNFRSF12A/CD38 balance in establishing a vicious cycle of unresolvable tissue remodeling in COPD lungs.
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Affiliation(s)
- Yan Dong
- Lianyungang Second People's Hospital, Lianyungang, China
| | - Hongbao Cao
- School of Systems Biology, George Mason University, Fairfax, VA, United States.,Department of Psychiatry, First Hospital/First Clinical Medical College of Shanxi Medical University, Taiyuan, China
| | - Rongyuan Cao
- Lianyungang Second People's Hospital, Lianyungang, China
| | - Ancha Baranova
- School of Systems Biology, George Mason University, Fairfax, VA, United States.,Research Centre for Medical Genetics, Moscow, Russia.,Moscow Institute of Physics and Technology, Dolgoprudny, Russia
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121
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Woldhuis RR, de Vries M, Timens W, van den Berge M, Demaria M, Oliver BGG, Heijink IH, Brandsma CA. Link between increased cellular senescence and extracellular matrix changes in COPD. Am J Physiol Lung Cell Mol Physiol 2020; 319:L48-L60. [PMID: 32460521 DOI: 10.1152/ajplung.00028.2020] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is associated with features of accelerated aging, including cellular senescence, DNA damage, oxidative stress, and extracellular matrix (ECM) changes. We propose that these features are particularly apparent in patients with severe, early-onset (SEO)-COPD. Whether fibroblasts from COPD patients display features of accelerated aging and whether this is also present in relatively young SEO-COPD patients is unknown. Therefore, we aimed to determine markers of aging in (SEO)-COPD-derived lung fibroblasts and investigate the impact on ECM. Aging hallmarks and ECM markers were analyzed in lung fibroblasts from SEO-COPD and older COPD patients and compared with fibroblasts from matched non-COPD groups (n = 9-11 per group), both at normal culture conditions and upon Paraquat-induced senescence. COPD-related differences in senescence and ECM expression were validated in lung tissue. Higher levels of cellular senescence, including senescence-associated β-galactosidase (SA-β-gal)-positive cells (19% for COPD vs. 13% for control) and p16 expression, DNA damage (γ-H2A.X-positive nuclei), and oxidative stress (MGST1) were detected in COPD compared with control-derived fibroblasts. Most effects were also different in SEO-COPD, with SA-β-gal-positive cells only being significant in SEO-COPD vs. matched controls. Lower decorin expression in COPD-derived fibroblasts correlated with higher p16 expression, and this association was confirmed in lung tissue. Paraquat treatment induced cellular senescence along with clear changes in ECM expression, including decorin. Fibroblasts from COPD patients, including SEO-COPD, display higher levels of cellular senescence, DNA damage, and oxidative stress. The association between cellular senescence and ECM expression changes may suggest a link between accelerated aging and ECM dysregulation in COPD.
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Affiliation(s)
- Roy R Woldhuis
- Department of Pathology and Medical Biology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Woolcock Institute of Medical Research, The University of Sydney, Sydney, Australia.,University of Technology Sydney, Sydney, Australia
| | - Maaike de Vries
- Department of Epidemiology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Wim Timens
- Department of Pathology and Medical Biology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Maarten van den Berge
- Department of Pulmonary Diseases, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Marco Demaria
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Brian G G Oliver
- Woolcock Institute of Medical Research, The University of Sydney, Sydney, Australia.,University of Technology Sydney, Sydney, Australia
| | - Irene H Heijink
- Department of Pathology and Medical Biology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Corry-Anke Brandsma
- Department of Pathology and Medical Biology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands.,Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
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122
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Affiliation(s)
- I S Mudway
- MRC Centre for Environment & Health of Population Health Sciences, King's College London, UK.
| | - F J Kelly
- MRC Centre for Environment & Health of Population Health Sciences, King's College London and Imperial College London, UK
| | - S T Holgate
- School of Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK
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123
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Accordini S, Calciano L, Marcon A, Pesce G, Antó JM, Beckmeyer-Borowko AB, Carsin AE, Corsico AG, Imboden M, Janson C, Keidel D, Locatelli F, Svanes C, Burney PGJ, Jarvis D, Probst-Hensch NM, Minelli C. Incidence trends of airflow obstruction among European adults without asthma: a 20-year cohort study. Sci Rep 2020; 10:3452. [PMID: 32103063 PMCID: PMC7044325 DOI: 10.1038/s41598-020-60478-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 02/13/2020] [Indexed: 11/08/2022] Open
Abstract
Investigating COPD trends may help healthcare providers to forecast future disease burden. We estimated sex- and smoking-specific incidence trends of pre-bronchodilator airflow obstruction (AO) among adults without asthma from 11 European countries within a 20-year follow-up (ECRHS and SAPALDIA cohorts). We also quantified the extent of misclassification in the definition based on pre-bronchodilator spirometry (using post-bronchodilator measurements from a subsample of subjects) and we used this information to estimate the incidence of post-bronchodilator AO (AOpost-BD), which is the primary characteristic of COPD. AO incidence was 4.4 (95% CI: 3.5-5.3) male and 3.8 (3.1-4.6) female cases/1,000/year. Among ever smokers (median pack-years: 20, males; 12, females), AO incidence significantly increased with ageing in men only [incidence rate ratio (IRR), 1-year increase: 1.05 (1.03-1.07)]. A strong exposure-response relationship with smoking was found both in males [IRR, 1-pack-year increase: 1.03 (1.02-1.04)] and females [1.03 (1.02-1.05)]. The positive predictive value of AO for AOpost-BD was 59.1% (52.0-66.2%) in men and 42.6% (35.1-50.1%) in women. AOpost-BD incidence was 2.6 (1.7-3.4) male and 1.6 (1.0-2.2) female cases/1,000/year. AO incidence was considerable in Europe and the sex-specific ageing-related increase among ever smokers was strongly related to cumulative tobacco exposure. AOpost-BD incidence is expected to be half of AO incidence.
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Affiliation(s)
- Simone Accordini
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, Verona, Italy.
| | - Lucia Calciano
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - Alessandro Marcon
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - Giancarlo Pesce
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, Verona, Italy
- Sorbonne Universités, INSERM UMR-S 1136, IPLESP, Team EPAR, F75012, Paris, France
| | - Josep M Antó
- ISGlobal, Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
- Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBERESP), Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Anna B Beckmeyer-Borowko
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Anne-Elie Carsin
- ISGlobal, Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBERESP), Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
| | - Angelo G Corsico
- Division of Respiratory Diseases, IRCCS 'San Matteo' Hospital Foundation-University of Pavia, Pavia, Italy
| | - Medea Imboden
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Christer Janson
- Department of Medical Sciences: Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden
| | - Dirk Keidel
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Francesca Locatelli
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - Cecilie Svanes
- Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
- Department of Occupational Medicine, Haukeland University Hospital, Bergen, Norway
| | - Peter G J Burney
- Population Health and Occupational Disease, National Heart and Lung Institute, Imperial College London, London, UK
- MRC-PHE Centre for Environment and Health, Imperial College London, London, UK
| | - Deborah Jarvis
- Population Health and Occupational Disease, National Heart and Lung Institute, Imperial College London, London, UK
- MRC-PHE Centre for Environment and Health, Imperial College London, London, UK
| | - Nicole M Probst-Hensch
- Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Basel, Switzerland
- University of Basel, Basel, Switzerland
| | - Cosetta Minelli
- Population Health and Occupational Disease, National Heart and Lung Institute, Imperial College London, London, UK
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Xia S, Zhou C, Kalionis B, Shuang X, Ge H, Gao W. Combined Antioxidant, Anti-inflammaging and Mesenchymal Stem Cell Treatment: A Possible Therapeutic Direction in Elderly Patients with Chronic Obstructive Pulmonary Disease. Aging Dis 2020; 11:129-140. [PMID: 32010487 PMCID: PMC6961773 DOI: 10.14336/ad.2019.0508] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 05/08/2019] [Indexed: 12/19/2022] Open
Abstract
Chronic Obstructive Pulmonary Disease (COPD) is a worldwide health problem associated with high morbidity and mortality, especially in elderly patients. Aging functions include mitochondrial dysfunction, cell-to-cell information exchange, protein homeostasis and extracellular matrix dysregulation, which are closely related to chronic inflammatory response and oxidation-antioxidant imbalance in the pathogenesis of COPD. COPD displays distinct inflammaging features, including increased cellular senescence and oxidative stress, stem cell exhaustion, alterations in the extracellular matrix, reduced levels of endogenous anti-inflammaging molecules, and reduced autophagy. Given that COPD and inflammaging share similar general features, it is very important to identify the specific mechanisms of inflammaging, which involve oxidative stress, inflammation and lung mesenchymal stem cell function in the development of COPD, especially in elderly COPD patients. In this review, we highlight the studies relevant to COPD progression, and focus on mechanisms associated with inflammaging.
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Affiliation(s)
- Shijin Xia
- 1Shanghai Institute of Geriatrics, Huadong Hospital, Fudan University, Shanghai, China
| | - Changxi Zhou
- 2Department of Respiratory Medicine, The Second Medical Center of PLA General Hospital, Beijing, China
| | - Bill Kalionis
- 3Department of Maternal-Fetal Medicine Pregnancy Research Centre and University of Melbourne Department of Obstetrics and Gynaecology, Royal Women's Hospital, Parkville, Victoria, Australia
| | - Xiaoping Shuang
- 4Department of Cardiovascular Diseases, Xiangyang Hospital of Traditional Chinese Medicine, Xiangyang, Hubei, China
| | - Haiyan Ge
- 5Department of Pulmonary Diseases, Huadong Hospital, Fudan University, Shanghai, China
| | - Wen Gao
- 6Department of Thoracic Surgery, Huadong Hospital, Fudan University, Shanghai, China
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125
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Hadzic S, Wu CY, Avdeev S, Weissmann N, Schermuly RT, Kosanovic D. Lung epithelium damage in COPD - An unstoppable pathological event? Cell Signal 2020; 68:109540. [PMID: 31953012 DOI: 10.1016/j.cellsig.2020.109540] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 01/11/2020] [Accepted: 01/11/2020] [Indexed: 10/25/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is a common term for alveolar septal wall destruction resulting in emphysema, and chronic bronchitis accompanied by conductive airway remodelling. In general, this disease is characterized by a disbalance of proteolytic/anti-proteolytic activity, augmented inflammatory response, increased oxidative/nitrosative stress, rise in number of apoptotic cells and decreased proliferation. As the first responder to the various environmental stimuli, epithelium occupies an important position in different lung pathologies, including COPD. Epithelium sequentially transitions from the upper airways in the direction of the gas exchange surface in the alveoli, and every cell type possesses a distinct role in the maintenance of the homeostasis. Basically, a thick ciliated structure of the airway epithelium has a major function in mucus secretion, whereas, alveolar epithelium which forms a thin barrier covered by surfactant has a function in gas exchange. Following this line, we will try to reveal whether or not the chronic bronchitis and emphysema, being two pathological phenotypes in COPD, could originate in two different types of epithelium. In addition, this review focuses on the role of lung epithelium in COPD pathology, and summarises underlying mechanisms and potential therapeutics.
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Affiliation(s)
- Stefan Hadzic
- Department of Internal Medicine, Cardio-Pulmonary Institute (CPI), German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany
| | - Cheng-Yu Wu
- Department of Internal Medicine, Cardio-Pulmonary Institute (CPI), German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany
| | - Sergey Avdeev
- Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Norbert Weissmann
- Department of Internal Medicine, Cardio-Pulmonary Institute (CPI), German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany
| | - Ralph Theo Schermuly
- Department of Internal Medicine, Cardio-Pulmonary Institute (CPI), German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany
| | - Djuro Kosanovic
- Department of Internal Medicine, Cardio-Pulmonary Institute (CPI), German Center for Lung Research (DZL), Justus-Liebig University, Giessen, Germany; Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.
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126
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Du X, Yuan L, Wu M, Men M, He R, Wang L, Wu S, Xiang Y, Qu X, Liu H, Qin X, Hu C, Qin L, Liu C. Variable DNA methylation of aging-related genes is associated with male COPD. Respir Res 2019; 20:243. [PMID: 31684967 PMCID: PMC6829949 DOI: 10.1186/s12931-019-1215-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 10/15/2019] [Indexed: 12/12/2022] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) is a chronic lung inflammatory disease which has a close relationship with aging. Genome-wide analysis reveals that DNA methylation markers vary obviously with age. DNA methylation variations in peripheral blood have the potential to be biomarkers for COPD. However, the specific DNA methylation of aging-related genes in the peripheral blood of COPD patients remains largely unknown. Methods Firstly, 9 aging-related differentially expressed genes (DEGs) in COPD patients were screened out from the 25 aging-related genes profile through a comprehensive screening strategy. Secondly, qPCR and multiple targeted bisulfite enrichment sequencing (MethTarget) were used to detect the mRNA level and DNA methylation level of the 9 differentially expressed genes in the peripheral blood of 60 control subjects and 45 COPD patients. The candidate functional CpG sites were selected on the basis of the regulation ability of the target gene expression. Thirdly, the correlation was evaluated between the DNA methylation level of the key CpG sites and the clinical parameters of COPD patients, including forced expiratory volume in one second (FEV1), forced expiratory volume in one second as percentage of predicted volume (FEV1%), forced expiratory volume/ forced vital capacity (FEV/FVC), modified British medical research council (mMRC) score, acute exacerbation frequency and the situation of frequent of acute aggravation (CAT) score. Lastly, differentially methylated CpG sites unrelated to smoking were also determined in COPD patients. Results Of the 9 differentially expressed aging-related genes, the mRNA expression of 8 genes were detected to be significantly down-regulated in COPD group, compared with control group. Meanwhile, the methylated level of all aging-related genes was changed in COPD group containing 219 COPD-related CpG sites in total. Notably, 27 CpG sites of FOXO3 gene showed a lower False Discovery Rate (FDR) and higher methylation difference values. Also, some variable DNA methylation is associated with the severity of COPD. Additionally, of the 219 COPD-related CpG sites, 147 CpG sites were not related to smoking. Conclusion These results identified that the mRNA expression and DNA methylation level of aging-related genes were changed in male COPD patients, which provides a molecular link between aging and COPD. The identified CpG markers are associated with the severity of COPD and provide new insights into the prediction and identification of COPD.
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Affiliation(s)
- Xizi Du
- Department of Physiology; China-Africa Infection Diseases Research Center, Xiangya School of Medicine, Central South University, Changsha, 410078, Hunan, China.,Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lin Yuan
- Department of Physiology; China-Africa Infection Diseases Research Center, Xiangya School of Medicine, Central South University, Changsha, 410078, Hunan, China
| | - Mengping Wu
- Department of Physiology; China-Africa Infection Diseases Research Center, Xiangya School of Medicine, Central South University, Changsha, 410078, Hunan, China
| | - Meichao Men
- Health Management Center, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ruoxi He
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Leyuan Wang
- Department of Physiology; China-Africa Infection Diseases Research Center, Xiangya School of Medicine, Central South University, Changsha, 410078, Hunan, China
| | - Shuangyan Wu
- Department of Physiology; China-Africa Infection Diseases Research Center, Xiangya School of Medicine, Central South University, Changsha, 410078, Hunan, China
| | - Yang Xiang
- Department of Physiology; China-Africa Infection Diseases Research Center, Xiangya School of Medicine, Central South University, Changsha, 410078, Hunan, China
| | - Xiangping Qu
- Department of Physiology; China-Africa Infection Diseases Research Center, Xiangya School of Medicine, Central South University, Changsha, 410078, Hunan, China
| | - Huijun Liu
- Department of Physiology; China-Africa Infection Diseases Research Center, Xiangya School of Medicine, Central South University, Changsha, 410078, Hunan, China
| | - Xiaoqun Qin
- Department of Physiology; China-Africa Infection Diseases Research Center, Xiangya School of Medicine, Central South University, Changsha, 410078, Hunan, China
| | - Chengping Hu
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ling Qin
- Department of Respiratory Medicine, National Clinical Research Center for Respiratory Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, China.
| | - Chi Liu
- Department of Physiology; China-Africa Infection Diseases Research Center, Xiangya School of Medicine, Central South University, Changsha, 410078, Hunan, China.
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He Y, Liang Y, Han R, Lu WL, Mak JCW, Zheng Y. Rational particle design to overcome pulmonary barriers for obstructive lung diseases therapy. J Control Release 2019; 314:48-61. [PMID: 31644935 DOI: 10.1016/j.jconrel.2019.10.035] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 10/16/2019] [Accepted: 10/18/2019] [Indexed: 02/07/2023]
Abstract
Pulmonary delivery of active drugs has been applied for the treatment of obstructive lung diseases, including asthma, chronic obstructive pulmonary disease and cystic fibrosis, for several decades and has achieved progress in symptom management by bronchodilator inhalation. However, substantial progress in anti-inflammation, prevention of airway remodeling and disease progression is limited, since the majority of the formulation strategies focus only on particle deposition, which is insufficient for pulmonary delivery of the drugs. The lack of knowledge on lung absorption barriers in obstructive lung diseases and on pathogenesis impedes the development of functional formulations by rational design. In this review, we describe the physiological structure and biological functions of the barriers in various regions of the lung, review the pathogenesis and functional changes of barriers in obstructive lung diseases, and examine the interaction of these barriers with particles to influence drug delivery efficiency. Subsequently, we review rational particle design for overcoming lung barriers based on excipients selection, particle size and surface properties, release properties and targeting ability. Additionally, useful particle fabrication strategies and commonly used drug carriers for pulmonary delivery in obstructive lung diseases are proposed in this article.
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Affiliation(s)
- Yuan He
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau
| | - Yingmin Liang
- Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Run Han
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau
| | - Wan-Liang Lu
- Beijing Key Laboratory of Molecular Pharmaceutics and New Drug System, State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Judith Choi Wo Mak
- Department of Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region; Department of Pharmacology & Pharmacy, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region.
| | - Ying Zheng
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau.
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128
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Hikichi M, Mizumura K, Maruoka S, Gon Y. Pathogenesis of chronic obstructive pulmonary disease (COPD) induced by cigarette smoke. J Thorac Dis 2019; 11:S2129-S2140. [PMID: 31737341 DOI: 10.21037/jtd.2019.10.43] [Citation(s) in RCA: 138] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) is a common respiratory disease that is characterized by functional and structural alterations primarily caused by long-term inhalation of harmful particles. Cigarette smoke (CS) induces airway inflammation in COPD, which is known to persist even after smoking cessation. This review discusses the basic pathogenesis of COPD, with particular focus on an endogenous protective mechanism against oxidative stress via Nrf2, altered immune response of the airway inflammatory cells, exaggerated cellular senescence of the lung structural cells, and cell death with expanded inflammation. Recently, CS-induced mitochondria autophagy is reported to initiate programmed necrosis (necroptosis). Necroptosis is a new concept of cell death which is driven by a defined molecular pathway along with exaggerated inflammation. This new cell death mechanism is of importance due to its ability to produce more inflammatory substances during the process of epithelial death, contributing to persistent airway inflammation that cannot be explained by apoptosis-derived cell death. Autophagy is an auto-cell component degradation system executed by lysosomes that controls protein and organelle degradation for successful homeostasis. As well as in the process of necroptosis, autophagy is also observed during cellular senescence. Aging of the lungs results in the acquisition of senescence-associated secretory phenotypes (SASP) that are known to secrete inflammatory cytokines, chemokines, growth factors, and matrix metalloproteinases resulting in chronic low-grade inflammation. In future research, we intend to highlight the genetic and epigenetic approaches that can facilitate the understanding of disease susceptibility. The goal of precision medicine is to establish more accurate diagnosis and treatment methods based on the patient-specific pathogenic characteristics. This review provides insights into CS-induced COPD pathogenesis, which contributes to a very complex disease. Investigating the mechanism of developing COPD, along with the availability of the particular inhibitors, will lead to new therapeutic approaches in COPD treatment.
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Affiliation(s)
- Mari Hikichi
- Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Kenji Mizumura
- Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Shuichiro Maruoka
- Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Yasuhiro Gon
- Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, Tokyo, Japan
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Tanner L, Single AB. Animal Models Reflecting Chronic Obstructive Pulmonary Disease and Related Respiratory Disorders: Translating Pre-Clinical Data into Clinical Relevance. J Innate Immun 2019; 12:203-225. [PMID: 31527372 PMCID: PMC7265725 DOI: 10.1159/000502489] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 07/25/2019] [Accepted: 07/25/2019] [Indexed: 12/17/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) affects the lives of an ever-growing number of people worldwide. The lack of understanding surrounding the pathophysiology of the disease and its progression has led to COPD becoming the third leading cause of death worldwide. COPD is incurable, with current treatments only addressing associated symptoms and sometimes slowing its progression, thus highlighting the need to develop novel treatments. However, this has been limited by the lack of experimental standardization within the respiratory disease research area. A lack of coherent animal models that accurately represent all aspects of COPD clinical presentation makes the translation of promising in vitrodata to human clinical trials exceptionally challenging. Here, we review current knowledge within the COPD research field, with a focus on current COPD animal models. Moreover, we include a set of advantages and disadvantages for the selection of pre-clinical models for the identification of novel COPD treatments.
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Affiliation(s)
- Lloyd Tanner
- Respiratory Medicine and Allergology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden,
| | - Andrew Bruce Single
- Respiratory Medicine and Allergology, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
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130
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Southwell PJ, Crockett J, Burton D, Gullifer J. Successful Ageing with COPD: Physical and Psychosocial Adaption to Functional Decline. COPD 2019; 15:439-445. [PMID: 30822240 DOI: 10.1080/15412555.2018.1487390] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
There is considerable research regarding the adaption to functional decline associated with advanced (Stage IV) Chronic Obstructive Pulmonary Disease (COPD). This research has, however, primarily focused on physical and interventional strategies to manage disease progression and symptom burden, as opposed to the psychosocial strategies. To address this paucity, the current research explored the psychosocial strategies people with Stage IV COPD use to maintain quality of life towards the end of life. Eleven older people with Stage IV COPD living in regional Australia were interviewed to explore their experiences of ageing with COPD. The research used a theory-led analysis, informed by a Gadamerian hermeneutic phenomenological methodology, to examine participant data in relation to selection, optimisation and compensation theory (SOC). The participant stories reflected the use of selective strategies, from which a hierarchy of priority tasks emerged. Participants optimised their capacity to perform high priority tasks using a range of pragmatic and instinctive responses to ongoing change, which became more and more conscious and deliberate over time. Additionally, compensatory strategies more traditionally associated with COPD management were used to reduce the impact of symptoms. It is through the participant descriptions and perception of optimisation and compensation strategies and how they were implemented that the wider theme of 'mind over matter' emerged. The use of these strategies to adapt physically and psychosocially to COPD shows how the participants demonstrated resilience and used 'successful ageing' strategies to cope with ongoing functional decline.
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Affiliation(s)
- Phillipa Jane Southwell
- a Faculty of Science , Three Rivers University Department of Rural Health, Charles Sturt University , Orange , Australia
| | - Judith Crockett
- b Faculty of Science, School of Community Health , Charles Sturt University , Orange , Australia
| | - Deborah Burton
- c Faculty of Science, School of Biomedical Sciences , Charles Sturt University , Orange , Australia
| | - Judith Gullifer
- d Faculty of Business, Justice and Behavioural Studies , Charles Sturt University , Orange , Australia
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131
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Guo ML, Buch S. Neuroinflammation & pre-mature aging in the context of chronic HIV infection and drug abuse: Role of dysregulated autophagy. Brain Res 2019; 1724:146446. [PMID: 31521638 DOI: 10.1016/j.brainres.2019.146446] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 08/29/2019] [Accepted: 09/10/2019] [Indexed: 12/15/2022]
Abstract
In the era of combined antiretroviral therapy (cART), HIV-1 infection has transformed from adeath sentenceto a manageable, chronic disease. Although the lifeexpectancy of HIV+ individuals is comparable to that of the uninfectedsubjects paradoxically, there is increased prevalence ofage-associatedcomorbidities such asatherosclerosis, diabetes, osteoporosis & neurological deficits in the context of HIV infection. Drug abuse is a commoncomorbidityofHIV infection andis often associated withincreased neurological complications. Chronic neuroinflammation (abnormal microglial and astrocyte activation) and neuronal synaptodendritic injury are the features of CNS pathology observed inHIV (+) individualsthat are takingcART & that abuse drugs. Neuroinflammation is thedrivingforceunderlying prematureaging associated with HIV (+) infection, cART and drugs of abuse. Autophagy is a highly conserved process critical for maintaining cellular homeostasis. Dysregulated autophagyhas been shown to be linked with abnormal immune responses & aging. Recent emerging evidence implicatesthe role ofHIV/HIV proteins, cART, & abused drugsin disrupting theautophagy process in brain cells such as microglia, astrocytes, and neurons. It can thus be envisioned that co-exposure of CNS cells to HIV proteins, cART and/or abused drugs couldhavesynergistic effects on theautophagy process, thereby leading to exaggerated microglial/astrocyte activation, ultimately, promotingthe aging process. Restoration of autophagic functioncould thusprovide an alternative therapeuticstrategy formitigating neuroinflammation & ameliorating the premature aging process. The current review aims to unravel the role of dysregulated autophagy in the context of single or co-exposure of microglia, astrocytes, and neurons to HIV/HIV proteins, drugs of abuse &/or cART and will also discuss the pathways involved in dysregulated autophagy-mediated neuroinflammation.
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Affiliation(s)
- Ming-Lei Guo
- Department of Pharmacology and Experimental Neuroscience, 985880 Nebraska Medical Center, University of Nebraska Medical Center, Omaha, NE 68198, USA
| | - Shilpa Buch
- Department of Pharmacology and Experimental Neuroscience, 985880 Nebraska Medical Center, University of Nebraska Medical Center, Omaha, NE 68198, USA.
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Wellmerling JH, Chang SW, Kim E, Osman WH, Boyaka PN, Borchers MT, Cormet-Boyaka E. Reduced expression of the Ion channel CFTR contributes to airspace enlargement as a consequence of aging and in response to cigarette smoke in mice. Respir Res 2019; 20:200. [PMID: 31477092 PMCID: PMC6720379 DOI: 10.1186/s12931-019-1170-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 08/22/2019] [Indexed: 12/12/2022] Open
Abstract
Chronic Obstructive Pulmonary Disease (COPD) is a complex disease resulting in respiratory failure and represents the third leading cause of global death. The two classical phenotypes of COPD are chronic bronchitis and emphysema. Owing to similarities between chronic bronchitis and the autosomal-recessive disease Cystic Fibrosis (CF), a significant body of research addresses the hypothesis that dysfunctional CF Transmembrane Conductance Regulator (CFTR) is implicated in the pathogenesis of COPD. Much less attention has been given to emphysema in this context, despite similarities between the two diseases. These include early-onset cellular senescence, similar comorbidities, and the finding that CF patients develop emphysema as they age. To determine a potential role for CFTR dysfunction in the development of emphysema, Cftr+/+ (Wild-type; WT), Cftr+/− (heterozygous), and Cftr−/− (knock-out; KO) mice were aged or exposed to cigarette smoke and analyzed for airspace enlargement. Aged knockout mice demonstrated increased alveolar size compared to age-matched wild-type and heterozygous mice. Furthermore, both heterozygous and knockout mice developed enlarged alveoli compared to their wild-type counterparts following chronic smoke exposure. Taken into consideration with previous findings that cigarette smoke leads to reduced CFTR function, our findings suggest that decreased CFTR expression sensitizes the lung to the effects of cigarette smoke. These findings may caution normally asymptomatic CF carriers against exposure to cigarette smoke; as well as highlight emphysema as a future challenge for CF patients as they continue to live longer. More broadly, our data, along with clinical findings, may implicate CFTR dysfunction in a pathology resembling accelerated aging.
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Affiliation(s)
- Jack H Wellmerling
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Sheng-Wei Chang
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Eunsoo Kim
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Wissam H Osman
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Prosper N Boyaka
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA
| | - Michael T Borchers
- Department of Internal Medicine, College of Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Estelle Cormet-Boyaka
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA.
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133
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A novel zebrafish model to emulate lung injury by folate deficiency-induced swim bladder defectiveness and protease/antiprotease expression imbalance. Sci Rep 2019; 9:12633. [PMID: 31477754 PMCID: PMC6718381 DOI: 10.1038/s41598-019-49152-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 08/19/2019] [Indexed: 02/08/2023] Open
Abstract
Lung injury is one of the pathological hallmarks of most respiratory tract diseases including asthma, acute respiratory distress syndrome (ARDS) and chronic obstructive pulmonary disease (COPD). It involves progressive pulmonary tissue damages which are usually irreversible and incurable. Therefore, strategies to facilitate drug development against lung injury are needed. Here, we characterized the zebrafish folate-deficiency (FD) transgenic line that lacks a fully-developed swim bladder. Whole-mount in-situ hybridization revealed comparable distribution patterns of swim bladder tissue markers between wild-type and FD larvae, suggesting a proper development of swim bladder in early embryonic stages. Unexpectedly, neutrophils infiltration was not observed in the defective swim bladder. Microarray analysis revealed a significant increase and decrease of the transcripts for cathepsin L and a cystatin B (CSTB)-like (zCSTB-like) proteins, respectively, in FD larvae. The distribution of cathepsin L and the zCSTB-like transcripts was spatio-temporally specific in developing wild-type embryos and, in appropriate measure, correlated with their potential roles in maintaining swim bladder integrity. Supplementing with 5-formyltetrahydrofolate successfully prevented the swim bladder anomaly and the imbalanced expression of cathepsin L and the zCSTB-like protein induced by folate deficiency. Injecting the purified recombinant zebrafish zCSTB-like protein alleviated FD-induced swim bladder anomaly. We concluded that the imbalanced expression of cathepsin L and the zCSTB-like protein contributed to the swim bladder malformation induced by FD and suggested the potential application of this transgenic line to model the lung injury and ECM remodeling associated with protease/protease inhibitor imbalance.
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134
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Russo P, Lococo F, Kisialiou A, Prinzi G, Lamonaca P, Cardaci V, Tomino C, Fini M. Pharmacological Management of Chronic Obstructive Lung Disease (COPD). Focus on Mutations - Part 1. Curr Med Chem 2019; 26:1721-1733. [PMID: 29852859 DOI: 10.2174/0929867325666180601100235] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Revised: 08/02/2017] [Accepted: 04/02/2018] [Indexed: 12/18/2022]
Abstract
BACKGROUND We report a comprehensive overview of current Chronic Obstructive Lung Disease (COPD) therapies and discuss the development of possible new pharmacological approaches based on "new" knowledge. Specifically, sensitivity/resistance to corticosteroids is evaluated with a special focus on the role of gene mutations in drug response. OBJECTIVE Critically review the opportunities and the challenges occurring in the treatment of COPD. CONCLUSION Findings from "omics" trials should be used to learn more about biological targeted drugs, and to select more specific drugs matching patient's distinctive molecular profile. Specific markers of inflammation such as the percentage of eosinophils are important in determining sensitivity/resistance to corticosteroids. Specific gene variations (Single nucleotide polymorphisms: SNPs) may influence drug sensitivity or resistance. Clinicians working in a real-world need to have a suitable interpretation of molecular results together with a guideline for the treatment and recommendations. Far more translational research is required before new results from omics techniques can be applied in personalized medicine in realworld settings.
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Affiliation(s)
- Patrizia Russo
- Unit of Clinical and Molecular Epidemiology, IRCCS San Raffaele Pisana Via di Valcannuta, 247, I-00166 Rome, Italy
| | - Filippo Lococo
- Unit of Thoracic Surgery, Arcispedale Santa Maria Nuova-IRCCS, Reggio Emilia, Italy
| | - Aliaksei Kisialiou
- Unit of Clinical and Molecular Epidemiology, IRCCS San Raffaele Pisana Via di Valcannuta, 247, I-00166 Rome, Italy
| | - Giulia Prinzi
- Unit of Clinical and Molecular Epidemiology, IRCCS San Raffaele Pisana Via di Valcannuta, 247, I-00166 Rome, Italy
| | - Palma Lamonaca
- Unit of Clinical and Molecular Epidemiology, IRCCS San Raffaele Pisana Via di Valcannuta, 247, I-00166 Rome, Italy
| | - Vittorio Cardaci
- Unit of Pulmonary Rehabilitation, IRCCS San Raffaele Pisana Via di Valcannuta, 247, I-00166 Rome, Italy
| | - Carlo Tomino
- Scientific Direction, IRCCS San Raffaele Pisana Via di Valcannuta, 247, I-00166 Rome, Italy
| | - Massimo Fini
- Scientific Direction, IRCCS San Raffaele Pisana Via di Valcannuta, 247, I-00166 Rome, Italy
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Lan YW, Yang JC, Yen CC, Huang TT, Chen YC, Chen HL, Chong KY, Chen CM. Predifferentiated amniotic fluid mesenchymal stem cells enhance lung alveolar epithelium regeneration and reverse elastase-induced pulmonary emphysema. Stem Cell Res Ther 2019; 10:163. [PMID: 31196196 PMCID: PMC6567664 DOI: 10.1186/s13287-019-1282-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Revised: 04/23/2019] [Accepted: 05/27/2019] [Indexed: 03/08/2023] Open
Abstract
INTRODUCTION Pulmonary emphysema is a major component of chronic obstructive pulmonary disease (COPD). Emphysema progression attributed not only to alveolar structure loss and pulmonary regeneration impairment, but also to excessive inflammatory response, proteolytic and anti-proteolytic activity imbalance, lung epithelial cells apoptosis, and abnormal lung remodeling. To ameliorate lung damage with higher efficiency in lung tissue engineering and cell therapy, pre-differentiating graft cells into more restricted cell types before transplantation could enhance their ability to anatomically and functionally integrate into damaged lung. In this study, we aimed to evaluate the regenerative and repair ability of lung alveolar epithelium in emphysema model by using lung epithelial progenitors which pre-differentiated from amniotic fluid mesenchymal stem cells (AFMSCs). METHODS Pre-differentiation of eGFP-expressing AFMSCs to lung epithelial progenitor-like cells (LEPLCs) was established under a modified small airway growth media (mSAGM) for 7-day induction. Pre-differentiated AFMSCs were intratracheally injected into porcine pancreatic elastase (PPE)-induced emphysema mice at day 14, and then inflammatory-, fibrotic-, and emphysema-related indices and pathological changes were assessed at 6 weeks after PPE administration. RESULTS An optimal LEPLCs pre-differentiation condition has been achieved, which resulted in a yield of approximately 20% lung epithelial progenitors-like cells from AFMSCs in a 7-day period. In PPE-induced emphysema mice, transplantation of LEPLCs significantly improved regeneration of lung tissues through integrating into the lung alveolar structure, relieved airway inflammation, increased expression of growth factors such as vascular endothelial growth factor (VEGF), and reduced matrix metalloproteinases and lung remodeling factors when compared with mice injected with AFMSCs. Histopathologic examination observed a significant amelioration in DNA damage in alveolar cells, detected by terminal deoxynucleotidyltransferase-mediated dUTP nick end labeling (TUNEL), the mean linear intercept, and the collagen deposition in the LEPLC-transplanted groups. CONCLUSION Transplantation of predifferentiated AFMSCs through intratracheal injection showed better alveolar regeneration and reverse elastase-induced pulmonary emphysema in PPE-induced pulmonary emphysema mice.
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Affiliation(s)
- Ying-Wei Lan
- Department of Life Sciences, College of Life Sciences, National Chung Hsing University, No. 250, Kuo Kuang Rd., Taichung, 402 Taiwan
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, 333 Taiwan
- Graduate Institute of Biomedical Sciences, Division of Biotechnology, College of Medicine, Chang Gung University, Taoyuan, 333 Taiwan
| | - Jing-Chan Yang
- Department of Life Sciences, College of Life Sciences, National Chung Hsing University, No. 250, Kuo Kuang Rd., Taichung, 402 Taiwan
| | - Chih-Ching Yen
- Department of Life Sciences, College of Life Sciences, National Chung Hsing University, No. 250, Kuo Kuang Rd., Taichung, 402 Taiwan
- Department of Internal Medicine, China Medical University Hospital, Taichung, 404 Taiwan
- College of Health Care, China Medical University, Taichung, 404 Taiwan
| | - Tsung-Teng Huang
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, 333 Taiwan
| | - Ying-Cheng Chen
- Department of Life Sciences, College of Life Sciences, National Chung Hsing University, No. 250, Kuo Kuang Rd., Taichung, 402 Taiwan
| | - Hsiao-Ling Chen
- Department of Bioresource, Da-Yeh University, Changhwa, 515 Taiwan
| | - Kowit-Yu Chong
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taoyuan, 333 Taiwan
- Graduate Institute of Biomedical Sciences, Division of Biotechnology, College of Medicine, Chang Gung University, Taoyuan, 333 Taiwan
- Department of Laboratory Medicine, Chang Gung Memorial Hospital, Linkou, Taoyuan, 333 Taiwan
- Centre for Stem Cell Research, Faculty of Medicine and Health Sciences, Universiti Tunku Abdul Rahman, 43000 Kajang, Selangor Malaysia
| | - Chuan-Mu Chen
- Department of Life Sciences, College of Life Sciences, National Chung Hsing University, No. 250, Kuo Kuang Rd., Taichung, 402 Taiwan
- The iEGG and Animal Biotechnology Center, and Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, 402 Taiwan
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136
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Staples KJ, Williams NP, Bonduelle O, Hutton AJ, Cellura D, Marriott AC, Combadière B, Wilkinson TMA. Acquired immune responses to the seasonal trivalent influenza vaccination in COPD. Clin Exp Immunol 2019; 198:71-82. [PMID: 31161649 PMCID: PMC6718283 DOI: 10.1111/cei.13336] [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] [Accepted: 05/29/2019] [Indexed: 11/28/2022] Open
Abstract
Epidemiological data suggest that influenza vaccination protects against all‐cause mortality in chronic obstructive pulmonary disease (COPD) patients. However, recent work has suggested there is a defect in the ability of some COPD patients to mount an adequate humoral response to influenza vaccination. The aim of our study was to investigate humoral and cell‐mediated vaccine responses to the seasonal trivalent influenza vaccination (TIV) in COPD subjects and healthy controls. Forty‐seven subjects were enrolled into the study; 23 COPD patients, 13 age‐matched healthy controls (HC ≥ 50) and 11 young healthy control subjects (YC ≤ 40). Serum and peripheral blood mononuclear cells (PBMC) were isolated pre‐TIV vaccination and at days 7 and 28 and 6 months post‐vaccine for haemagglutinin inhibition (HAI) titre, antigen‐specific T cell and antibody‐secreting cell analysis. The kinetics of the vaccine response were similar between YC, HC and COPD patients and there was no significant difference in antibody titres between these groups at 28 days post‐vaccine. As we observed no disease‐dependent differences in either humoral or cellular responses, we investigated if there was any association of these measures with age. H1N1 (r = −0·4253, P = 0·0036) and influenza B (r = −0·344, P = 0·0192) antibody titre at 28 days negatively correlated with age, as did H1N1‐specific CD4+ T helper cells (r = −0·4276, P = 0·0034). These results suggest that age is the primary determinant of response to trivalent vaccine and that COPD is not a driver of deficient responses per se. These data support the continued use of the yearly trivalent vaccine as an adjunct to COPD disease management.
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Affiliation(s)
- K J Staples
- Clinical and Experimental Sciences, University of Southampton Faculty of Medicine, Sir Henry Wellcome Laboratories, Southampton General Hospital, Tremona Road, Southampton, UK.,Wessex Investigational Sciences Hub, University of Southampton Faculty of Medicine, Southampton General Hospital, Tremona Road, Southampton, UK
| | - N P Williams
- Clinical and Experimental Sciences, University of Southampton Faculty of Medicine, Sir Henry Wellcome Laboratories, Southampton General Hospital, Tremona Road, Southampton, UK.,Southampton NIHR Respiratory Biomedical Research Unit, Southampton General Hospital, Tremona Road, Southampton, UK
| | - O Bonduelle
- Sorbonne Universités, UPMC Univ Paris 06, Unité Mixte de Recherche de Santé (UMR S) CR7, Centre d'Immunologie et des Maladies Infectieuses -Paris (Cimi-Paris), Paris, France.,Institut National de Santé et de Recherche Médicale (INSERM) U1135, Cimi-Paris, Paris, France
| | - A J Hutton
- Sorbonne Universités, UPMC Univ Paris 06, Unité Mixte de Recherche de Santé (UMR S) CR7, Centre d'Immunologie et des Maladies Infectieuses -Paris (Cimi-Paris), Paris, France
| | - D Cellura
- Clinical and Experimental Sciences, University of Southampton Faculty of Medicine, Sir Henry Wellcome Laboratories, Southampton General Hospital, Tremona Road, Southampton, UK
| | - A C Marriott
- National Infection Service, Public Health England, Porton Down, UK
| | - B Combadière
- Sorbonne Universités, UPMC Univ Paris 06, Unité Mixte de Recherche de Santé (UMR S) CR7, Centre d'Immunologie et des Maladies Infectieuses -Paris (Cimi-Paris), Paris, France.,Institut National de Santé et de Recherche Médicale (INSERM) U1135, Cimi-Paris, Paris, France
| | - T M A Wilkinson
- Clinical and Experimental Sciences, University of Southampton Faculty of Medicine, Sir Henry Wellcome Laboratories, Southampton General Hospital, Tremona Road, Southampton, UK.,Wessex Investigational Sciences Hub, University of Southampton Faculty of Medicine, Southampton General Hospital, Tremona Road, Southampton, UK.,Southampton NIHR Respiratory Biomedical Research Unit, Southampton General Hospital, Tremona Road, Southampton, UK
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137
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Fang T, Wang M, Xiao H, Wei X. Mitochondrial dysfunction and chronic lung disease. Cell Biol Toxicol 2019; 35:493-502. [PMID: 31119467 DOI: 10.1007/s10565-019-09473-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 04/18/2019] [Indexed: 02/05/2023]
Abstract
The functions of body gradually decrease as the age increases, leading to a higher frequency of incidence of age-related diseases. Diseases associated with aging in the respiratory system include chronic obstructive pulmonary disease (COPD), IPF (idiopathic pulmonary fibrosis), asthma, lung cancer, and so on. The mitochondrial dysfunction is not only a sign of aging, but also is a disease trigger. This article aims to explain mitochondrial dysfunction as an aging marker, and its role in aging diseases of lung. We also discuss whether the mitochondria can be used as a target for the treatment of aging lung disease.
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Affiliation(s)
- Tingting Fang
- Lab of Aging Research and Nanotoxicology, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and National Collaborative Innovation Center, Chengdu, 610041, China
| | - Manni Wang
- Lab of Aging Research and Nanotoxicology, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and National Collaborative Innovation Center, Chengdu, 610041, China
| | - Hengyi Xiao
- Lab of Aging Research and Nanotoxicology, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and National Collaborative Innovation Center, Chengdu, 610041, China.
| | - Xiawei Wei
- Lab of Aging Research and Nanotoxicology, State Key Laboratory of Biotherapy and Cancer Center, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and National Collaborative Innovation Center, Chengdu, 610041, China.
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138
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Malik AT, Jain N, Kim J, Khan SN, Yu E. Chronic Obstructive Pulmonary Disease Is an Independent Predictor for 30-Day Complications and Readmissions Following 1- to 2-Level Anterior Cervical Discectomy and Fusion. Global Spine J 2019; 9:298-302. [PMID: 31192098 PMCID: PMC6542166 DOI: 10.1177/2192568218794170] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
STUDY DESIGN Retrospective cohort. OBJECTIVES To study evidence to assess the impact of chronic obstructive pulmonary disease (COPD) on 30-day outcomes following 1- to 2-level anterior cervical discectomy and fusion (ACDF). METHODS The 2015-2016 American College of Surgeons-National Surgical Quality Improvement Program (ACS-NSQIP) database was queried using Current Procedural Terminology (CPT) codes 22 551 (single-level) and 22 552 (additional level). Patients undergoing disc arthroplasty, multilevel (>2) fusion, posterior cervical spine surgery, and patients with fracture, tumor, and/or infection were excluded. RESULTS Out of 14 835 patients undergoing an elective 1- to 2-level ACDF, 649 (4.4%) had a diagnosis of COPD at the time of the surgery. Following adjusted logistic regression analysis, prior history of COPD was significantly associated with a longer length of stay (odds ratio [OR] 1.25 [95% confidence interval (CI0 1.04-1.52]; P = .019), superficial surgical site infection (OR 2.68 [95% CI 1.06-6.80]; P = .038), discharge destination other than home (OR 1.49 [95% CI 1.05-2.12]; P = .026), pneumonia (OR 4.37 [95% CI 2.42-7.88]; P < .001), ventilator use >48 hours (OR 5.34 [95% CI 1.88-15.15]; P = .002), unplanned reintubation (OR 3.36 [1.48-7.62]; P = .004), and 30-day readmissions (OR 1.69 [95% CI 1.20-2.38]; P = .003). CONCLUSIONS The findings of this study show that COPD patients are more likely to have postoperative complications and 30-day readmissions, despite elective ACDF itself being a low-risk surgery in general. Results show that majority of the complications were pulmonary in nature, further stressing the need for accurate medical optimization following surgery in these patients.
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Affiliation(s)
| | - Nikhil Jain
- The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Jeffery Kim
- The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Safdar N. Khan
- The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Elizabeth Yu
- The Ohio State University Wexner Medical Center, Columbus, OH, USA,Elizabeth Yu, Department of Orthopaedics, The Ohio State University Wexner Medical Center, 725 Prior Hall, Columbus, OH 43210, USA.
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139
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Ng-Blichfeldt JP, Gosens R, Dean C, Griffiths M, Hind M. Regenerative pharmacology for COPD: breathing new life into old lungs. Thorax 2019; 74:890-897. [PMID: 30940772 DOI: 10.1136/thoraxjnl-2018-212630] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 01/09/2019] [Accepted: 02/25/2019] [Indexed: 11/04/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is a major global health concern with few effective treatments. Widespread destruction of alveolar tissue contributes to impaired gas exchange in severe COPD, and recent radiological evidence suggests that destruction of small airways is a major contributor to increased peripheral airway resistance in disease. This important finding might in part explain the failure of conventional anti-inflammatory treatments to restore lung function even in patients with mild disease. There is a clear need for alternative pharmacological strategies for patients with COPD/emphysema. Proposed regenerative strategies such as cell therapy and tissue engineering are hampered by poor availability of exogenous stem cells, discouraging trial results, and risks and cost associated with surgery. An alternative therapeutic approach is augmentation of lung regeneration and/or repair by biologically active factors, which have potential to be employed on a large scale. In favour of this strategy, the healthy adult lung is known to possess a remarkable endogenous regenerative capacity. Numerous preclinical studies have shown induction of regeneration in animal models of COPD/emphysema. Here, we argue that given the widespread and irreversible nature of COPD, serious consideration of regenerative pharmacology is necessary. However, for this approach to be feasible, a better understanding of the cell-specific molecular control of regeneration, the regenerative potential of the human lung and regenerative competencies of patients with COPD are required.
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Affiliation(s)
- John-Poul Ng-Blichfeldt
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge, UK .,Department of Molecular Pharmacology, Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, Groningen, Netherlands
| | - Reinoud Gosens
- Department of Molecular Pharmacology, Groningen Research Institute for Asthma and COPD (GRIAC), University of Groningen, Groningen, Netherlands
| | - Charlotte Dean
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Mark Griffiths
- National Heart and Lung Institute, Imperial College London, London, UK.,Barts Heart Centre, St Bartholomews Hospital, London, UK
| | - Matthew Hind
- National Heart and Lung Institute, Imperial College London, London, UK.,Respiratory Medicine, Royal Brompton and Harefield NHS Foundation Trust, London, UK
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140
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Rigo A, Paz-Lourido B. ¿Por qué la rehabilitación respiratoria no llega a todos los pacientes de enfermedad pulmonar obstructiva crónica que lo necesitan? Revisión de la literatura. REVISTA DE LA FACULTAD DE MEDICINA 2019. [DOI: 10.15446/revfacmed.v67n2.67252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Introducción. La rehabilitación respiratoria (RR) es un tratamiento clave en la enfermedad pulmonar obstructiva crónica, pero aun estando disponible, los pacientes no siempre acceden a ella.Objetivo. Identificar los factores que pueden limitar el acceso a la RR y que se relacionan con los pacientes, los médicos y los fisioterapeutas.Materiales y métodos. Se realizó una revisión de artículos publicados en inglés y español entre 2006 y 2018. Se usaron los términos “COPD”, “chronic obstructive pulmonary disease”, “COLD”, “chronic obstructive lung disease”, “physical therapy modalities”, “rehabilitation”, “health services accessibility” y “patient” en las bases de datos PubMed, PEDro, Scielo e IBECS.Resultados. Se seleccionaron 11 publicaciones. Entre las barreras que afectan a los pacientes destacan el transporte, la condición ambiental, las situaciones personales y algunos factores sociales y contextuales. El conocimiento de los profesionales, sus condiciones de trabajo y sus expectativas sobre beneficio de los protocolos de RR también son factores que condicionan el acceso de los pacientes.Conclusiones. La formación interprofesional de médicos y fisioterapeutas, la implantación de protocolos flexibles a las condiciones de los pacientes y las medidas organizativas e intersectoriales del sistema sanitario pueden facilitar la accesibilidad a la RR de los pacientes.
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141
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Puttur F, Gregory LG, Lloyd CM. Airway macrophages as the guardians of tissue repair in the lung. Immunol Cell Biol 2019; 97:246-257. [PMID: 30768869 DOI: 10.1111/imcb.12235] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 01/09/2019] [Accepted: 01/15/2019] [Indexed: 12/16/2022]
Abstract
The lungs present a challenging immunological dilemma for the host. Anatomically positioned at the environmental interface, they are constantly exposed to antigens, pollutants and microbes, while simultaneously facilitating vital gas exchange. Remarkably, the lungs maintain a functionally healthy state, ignoring harmless inhaled proteins, adapting to toxic environmental insults and limiting immune responses to allergens and pathogenic microbes. This functional strategy of environmental adaptation maintains immune defense, reduces tissue damage, and promotes and sustains lung immune tolerance. At steady state, airway macrophages produce low levels of cytokines, and suppress the induction of innate and adaptive immunity. These cells are primary initiators of lung innate immunity and possess high phagocytic activity to clear particulate antigens and apoptotic cell debris from the airways to regulate the response to infection and inflammation. In response to epithelial injury, resident and recruited macrophages drive tissue repair. In this review, we will focus on the functional importance of macrophages in tissue homeostasis and inflammation in the lung and highlight how environmental cues alter the plasticity and function of lung airway macrophages. We will also discuss mechanisms employed by pulmonary macrophages to promote resolution of tissue inflammation, and how and when this balance is perturbed, they contribute to pathological remodeling in acute and chronic infections and diseases such as asthma, idiopathic pulmonary fibrosis and chronic obstructive pulmonary disease.
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Affiliation(s)
- Franz Puttur
- Inflammation, Repair & Development, National Heart & Lung Institute, Imperial College London, London, UK
| | - Lisa G Gregory
- Inflammation, Repair & Development, National Heart & Lung Institute, Imperial College London, London, UK
| | - Clare M Lloyd
- Inflammation, Repair & Development, National Heart & Lung Institute, Imperial College London, London, UK
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142
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Karametos I, Tsiboli P, Togousidis I, Hatzoglou C, Giamouzis G, Gourgoulianis KI. Chronic Obstructive Pulmonary Disease as a Main Factor of Premature Aging. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E540. [PMID: 30781849 PMCID: PMC6406938 DOI: 10.3390/ijerph16040540] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 02/01/2019] [Accepted: 02/08/2019] [Indexed: 02/04/2023]
Abstract
(1) Background: Chronic obstructive pulmonary disease (COPD) is defined as an inflammatory disorder that presents an increasingly prevalent health problem. Accelerated aging has been examined as a pathologic mechanism of many chronic diseases like COPD. We examined whether COPD is combined with accelerated aging, studying two hormones, dehydroepiandrosterone (DHEA) and growth hormone (GH), known to be characteristic biological markers of aging. (2) Methods: Data were collected from 119 participants, 70 (58.8%) COPD patients and 49 (41.2%) from a health control group over the period of 2014⁻2016 in a spirometry program. Information about their medical history, tobacco use, and blood tests was obtained. (3) Results: The average age of the health control patients was 73.5 years (SD = 5.5), and that of the COPD patients was 75.4 years (SD = 6.9). Both groups were similar in age and sex. A greater proportion of smokers were found in the COPD group (87.1%) versus the control group (36.7%). The majority of COPD patients were classified as STAGE II (51.4%) and STAGE III (37.1%) according to GOLD (Global Initiative for Chronic Obstructive Pulmonary Disease). Levels of DHEA (SD = 17.1) and GH (SD = 0.37) were significantly lower in the COPD group (p < 0.001) compared to those in the controls (SD = 26.3, SD = 0.79). DHEA and GH were more significant and negatively correlated with age. The regression equation of DHEA with age produced a coefficient equal to 1.26. In this study, the difference in DHEA between COPD patients and controls was, on average, 30.2 μg/dL, indicating that the biological age of a COPD patient is on average about 24 years older than that of a control subject of the same age. Similarly, the difference in GH between COPD patients and controls was, on average, 0.42 ng/mL, indicating that the biological age of a COPD patient is on average about 13.1 years older than that of a control subject of the same age. (4) Conclusions: The findings of our study strongly suggest the presence of premature biological aging in COPD patients. Their biological age could actually vary from 13 to 23 years older than non-COPD controls according to DHEA and GH variation.
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Affiliation(s)
- Ilias Karametos
- Internal Medicine Department, Hospital of Volos, 38221 Magnesia, Greece.
| | - Paraskevi Tsiboli
- Biochemichal Laboratory Department, Hospital of Volos, 38221 Magnesia, Greece.
| | - Ilias Togousidis
- Biochemichal Laboratory Department, Hospital of Volos, 38221 Magnesia, Greece.
| | - Chrisi Hatzoglou
- Department of Medical Physiology, University of Thessaly Medical School, 41500 Larissa, Greece.
| | - Grigorios Giamouzis
- Department of Cardiology, University of Thessaly Medical School, 41110 Larissa, Greece.
| | - Konstantinos I Gourgoulianis
- Respiratory Medicine Department, University of Thessaly Medical School, University Hospital of Larisa, 41110 Larissa, Greece.
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143
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Agusti A, Faner R. Lung function trajectories in health and disease. THE LANCET RESPIRATORY MEDICINE 2019; 7:358-364. [PMID: 30765254 DOI: 10.1016/s2213-2600(18)30529-0] [Citation(s) in RCA: 197] [Impact Index Per Article: 39.4] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 12/06/2018] [Accepted: 12/14/2018] [Indexed: 12/11/2022]
Abstract
The normal lung function trajectory from birth to death has three phases: a growth phase (from birth to early adulthood), a plateau phase (that lasts for a few years), and a decline phase resulting from physiological lung ageing. Numerous genetic and environmental factors can alter one or more of these phases. Evidence shows that several lung function trajectories exist throughout the life course and, importantly, that some of them are associated with substantial implications for health and disease. Here, we review the evidence, formulate a series of questions, and identify various challenges that need to be addressed to identify potential opportunities to promote respiratory health.
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Affiliation(s)
- Alvar Agusti
- Respiratory Institute, Hospital Clinic, Barcelona, Spain; August Pi i Sunyer Biomedical Research Institute (IDIBAPS) Barcelona, Spain; Department of Medicine, University of Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red, Enfermedades Respiratorias, Instituto de Salud Carlos III (CIBER), Madrid, Spain.
| | - Rosa Faner
- August Pi i Sunyer Biomedical Research Institute (IDIBAPS) Barcelona, Spain; Centro de Investigación Biomédica en Red, Enfermedades Respiratorias, Instituto de Salud Carlos III (CIBER), Madrid, Spain
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144
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Bodas M, Pehote G, Silverberg D, Gulbins E, Vij N. Autophagy augmentation alleviates cigarette smoke-induced CFTR-dysfunction, ceramide-accumulation and COPD-emphysema pathogenesis. Free Radic Biol Med 2019; 131:81-97. [PMID: 30500419 DOI: 10.1016/j.freeradbiomed.2018.11.023] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Revised: 11/19/2018] [Accepted: 11/19/2018] [Indexed: 01/27/2023]
Abstract
In this study, we aimed to investigate precise mechanism(s) of sphingolipid-imbalance and resulting ceramide-accumulation in COPD-emphysema. Where, human and murine emphysema lung tissues or human bronchial epithelial cells (Beas2b) were used for experimental analysis. We found that lungs of smokers and COPD-subjects with increasing emphysema severity demonstrate sphingolipid-imbalance, resulting in significant ceramide-accumulation and increased ceramide/sphingosine ratio, as compared to non-emphysema/non-smoker controls. Next, we found a substantial increase in emphysema chronicity-related ceramide-accumulation in murine (C57BL/6) lungs, while sphingosine levels only slightly increased. In accordance, the expression of the acid ceramidase decreased after CS-exposure. Moreover, CS-induced (sub-chronic) ceramide-accumulation was significantly (p < 0.05) reduced by treatment with TFEB/autophagy-inducing drug, gemfibrozil (GEM), suggesting that autophagy regulates CS-induced ceramide-accumulation. Next, we validated experimentally that autophagy/lipophagy-induction using an anti-oxidant, cysteamine, significantly (p < 0.05) reduces CS-extract (CSE)-mediated intracellular-ceramide-accumulation in p62 + aggresome-bodies. In addition to intracellular-accumulation, we found that CSE also induces membrane-ceramide-accumulation by ROS-dependent acid-sphingomyelinase (ASM) activation and plasma-membrane translocation, which was significantly controlled (p < 0.05) by cysteamine (an anti-oxidant) and amitriptyline (AMT, an inhibitor of ASM). Cysteamine-mediated and CSE-induced membrane-ceramide regulation was nullified by CFTR-inhibitor-172, demonstrating that CFTR controls redox impaired-autophagy dependent membrane-ceramide accumulation. In summary, our data shows that CS-mediated autophagy/lipophagy-dysfunction results in intracellular-ceramide-accumulation, while acquired CFTR-dysfunction-induced ASM causes membrane ceramide-accumulation. Thus, CS-exposure alters the sphingolipid-rheostat leading to the increased membrane- and intracellular- ceramide-accumulation inducing COPD-emphysema pathogenesis that is alleviated by treatment with cysteamine, a potent anti-oxidant with CFTR/autophagy-augmenting properties.
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Affiliation(s)
- Manish Bodas
- College of Medicine, Central Michigan University, Mt Pleasant, MI, USA
| | - Garrett Pehote
- College of Medicine, Central Michigan University, Mt Pleasant, MI, USA
| | - David Silverberg
- College of Medicine, Central Michigan University, Mt Pleasant, MI, USA
| | - Erich Gulbins
- Dept. of Molecular Biology, University of Duisburg-Essen, Germany and Dept. of Surgery, University of Cincinnati, OH, USA
| | - Neeraj Vij
- College of Medicine, Central Michigan University, Mt Pleasant, MI, USA; The Johns Hopkins University SOM University, Baltimore, MD, USA; VIJ Biotech LLC, Baltimore, MD, USA and 4Dx Ltd, Los Angeles, CA, USA.
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145
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Wu N, Yang D, Wu Z, Yan M, Zhang P, Liu Y. Insulin in high concentration recede cigarette smoke extract induced cellular senescence of airway epithelial cell through autophagy pathway. Biochem Biophys Res Commun 2019; 509:498-505. [DOI: 10.1016/j.bbrc.2018.12.130] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 12/18/2018] [Indexed: 12/23/2022]
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146
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Mammoto A, Muyleart M, Mammoto T. LRP5 in age-related changes in vascular and alveolar morphogenesis in the lung. Aging (Albany NY) 2019; 11:89-103. [PMID: 30612120 PMCID: PMC6339783 DOI: 10.18632/aging.101722] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Accepted: 12/12/2018] [Indexed: 04/20/2023]
Abstract
Aging is associated with impaired angiogenesis and lung alveolar regeneration, which contributes to the increased susceptibility to chronic lung diseases (CLD). We have reported that the Wnt ligand co-receptor, low-density lipoprotein receptor-related protein 5 (LRP5), stimulates angiogenesis and lung alveolar regeneration. However, the role of LRP5 in age-related decline in vascular and alveolar morphogenesis remains unclear. In this report, we have demonstrated that vascular and alveolar structures are disrupted in the 24-month (24M) old mouse lungs. The expression of LRP5 and the major angiogenic factors, VEGFR2 and Tie2, is lower in endothelial cells (ECs) isolated from 24M old mouse lungs compared to those from 2M old mouse lungs. Vascular and alveolar formation is attenuated in the hydrogel implanted on the 24M old mouse lungs, while overexpression of LRP5, which restores angiogenic factor expression, reverses vascular and alveolar morphogenesis in the gel. Compensatory lung growth after unilateral pneumonectomy is inhibited in 24M old mice, which is reversed by overexpression of LRP5. These results suggest that LRP5 mediates age-related inhibition of angiogenesis and alveolar morphogenesis. Modulation of LRP5 may be a novel intervention to rejuvenate regenerative ability in aged lung and will lead to the development of efficient strategies for aging-associated CLD.
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Affiliation(s)
- Akiko Mammoto
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI 53226USA
- Equal contribution
| | - Megan Muyleart
- Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI 53226USA
- Department of Radiology, Medical College of Wisconsin, Milwaukee, WI 53226USA
| | - Tadanori Mammoto
- Department of Radiology, Medical College of Wisconsin, Milwaukee, WI 53226USA
- Equal contribution
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147
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Abstract
Chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis are regarded as a diseases of accelerated lung ageing and show all of the hallmarks of ageing, including telomere shortening, cellular senescence, activation of PI3 kinase-mTOR signaling, impaired autophagy, mitochondrial dysfunction, stem cell exhaustion, epigenetic changes, abnormal microRNA profiles, immunosenescence and a low grade chronic inflammation due to senescence-associated secretory phenotype (SASP). Many of these ageing mechanisms are driven by exogenous and endogenous oxidative stress. There is also a reduction in anti-ageing molecules, such as sirtuins and Klotho, which further accelerate the ageing process. Understanding these molecular mechanisms has identified several novel therapeutic targets and several drugs and dietary interventions are now in development to treat chronic lung disease.
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Affiliation(s)
- Peter J Barnes
- Airway Disease Section, National Heart and Lung Institute, Imperial College, London, UK.
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148
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Hu WP, Zeng YY, Zuo YH, Zhang J. Identification of novel candidate genes involved in the progression of emphysema by bioinformatic methods. Int J Chron Obstruct Pulmon Dis 2018; 13:3733-3747. [PMID: 30532529 PMCID: PMC6241693 DOI: 10.2147/copd.s183100] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Purpose By reanalyzing the gene expression profile GSE76925 in the Gene Expression Omnibus database using bioinformatic methods, we attempted to identify novel candidate genes promoting the development of emphysema in patients with COPD. Patients and methods According to the Quantitative CT data in GSE76925, patients were divided into mild emphysema group (%LAA-950<20%, n=12) and severe emphysema group (%LAA-950>50%, n=11). Differentially expressed genes (DEGs) were identified using Agilent GeneSpring GX v11.5 (corrected P-value <0.05 and |Fold Change|>1.3). Known driver genes of COPD were acquired by mining literatures and retrieving databases. Direct protein–protein interaction network (PPi) of DEGs and known driver genes was constructed by STRING.org to screen the DEGs directly interacting with driver genes. In addition, we used STRING.org to obtain the first-layer proteins interacting with DEGs’ products and constructed the indirect PPi of these interaction proteins. By merging the indirect PPi with driver genes’ PPi using Cytoscape v3.6.1, we attempted to discover potential pathways promoting emphysema’s development. Results All the patients had COPD with severe airflow limitation (age=62±8, FEV1%=28±12). A total of 57 DEGs (including 12 pseudogenes) and 135 known driving genes were identified. Direct PPi suggested that GPR65, GNB4, P2RY13, NPSR1, BCR, BAG4, and IMPDH2 were potential pathogenic genes. GPR65 could regulate the response of immune cells to the acidic microenvironment, and NPSR1’s expression on eosinophils was associated with asthma’s severity and IgE level. Indirect merging PPi demonstrated that the interacting network of TP53, IL8, CCR2, HSPA1A, ELANE, PIK3CA was associated with the development of emphysema. IL8, ELANE, and PIK3CA were molecules involved in the pathological mechanisms of emphysema, which also in return proved the role of TP53 in emphysema. Conclusion Candidate genes such as GPR65, NPSR1, and TP53 may be involved in the progression of emphysema.
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Affiliation(s)
- Wei-Ping Hu
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Shanghai Medical College, Fudan University, Shanghai, China,
| | - Ying-Ying Zeng
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Shanghai Medical College, Fudan University, Shanghai, China,
| | - Yi-Hui Zuo
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Shanghai Medical College, Fudan University, Shanghai, China,
| | - Jing Zhang
- Department of Pulmonary and Critical Care Medicine, Zhongshan Hospital, Shanghai Medical College, Fudan University, Shanghai, China,
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149
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Aghasafari P, George U, Pidaparti R. A review of inflammatory mechanism in airway diseases. Inflamm Res 2018; 68:59-74. [PMID: 30306206 DOI: 10.1007/s00011-018-1191-2] [Citation(s) in RCA: 151] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 09/12/2018] [Accepted: 09/27/2018] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Inflammation in the lung is the body's natural response to injury. It acts to remove harmful stimuli such as pathogens, irritants, and damaged cells and initiate the healing process. Acute and chronic pulmonary inflammation are seen in different respiratory diseases such as; acute respiratory distress syndrome, chronic obstructive pulmonary disease (COPD), asthma, and cystic fibrosis (CF). FINDINGS In this review, we found that inflammatory response in COPD is determined by the activation of epithelial cells and macrophages in the respiratory tract. Epithelial cells and macrophages discharge transforming growth factor-β (TGF-β), which trigger fibroblast proliferation and tissue remodeling. Asthma leads to airway hyper-responsiveness, obstruction, mucus hyper-production, and airway-wall remodeling. Cytokines, allergens, chemokines, and infectious agents are the main stimuli that activate signaling pathways in epithelial cells in asthma. Mutation of the CF transmembrane conductance regulator (CFTR) gene results in CF. Mutations in CFTR influence the lung epithelial innate immune function that leads to exaggerated and ineffective airway inflammation that fails to abolish pulmonary pathogens. We present mechanistic computational models (based on ordinary differential equations, partial differential equations and agent-based models) that have been applied in studying the complex physiological and pathological mechanisms of chronic inflammation in different airway diseases. CONCLUSION The scope of the present review is to explore the inflammatory mechanism in airway diseases and highlight the influence of aging on airways' inflammation mechanism. The main goal of this review is to encourage research collaborations between experimentalist and modelers to promote our understanding of the physiological and pathological mechanisms that control inflammation in different airway diseases.
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Affiliation(s)
| | - Uduak George
- College of Engineering, University of Georgia, Athens, GA, USA.,Department of Mathematics and Statistics, San Diego State University, San Diego, CA, USA
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150
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Aggarwal T, Wadhwa R, Thapliyal N, Sharma K, Rani V, Maurya PK. Oxidative, inflammatory, genetic, and epigenetic biomarkers associated with chronic obstructive pulmonary disorder. J Cell Physiol 2018; 234:2067-2082. [DOI: 10.1002/jcp.27181] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Accepted: 07/17/2018] [Indexed: 12/13/2022]
Affiliation(s)
- Taru Aggarwal
- Amity Institute of Biotechnology, Amity UniversityNoida India
| | - Ridhima Wadhwa
- Amity Institute of Biotechnology, Amity UniversityNoida India
| | | | - Kanishka Sharma
- Amity Education GroupOakdale, Long Island (Suffolk) New York
| | - Varsha Rani
- Amity Education GroupOakdale, Long Island (Suffolk) New York
| | - Pawan K. Maurya
- Amity Institute of Biotechnology, Amity UniversityNoida India
- Amity Education GroupOakdale, Long Island (Suffolk) New York
- Interdisciplinary Laboratory of Clinical Neuroscience (LINC), Department of PsychiatryFederal University of São PauloSão Paulo Brazil
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