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Pina Belmonte A, Madrazo M, Piles L, Rubio-Rivas M, de Jorge Huerta L, Gómez Antúnez M, López Caleya JF, Arnalich Fernández F, Gericó-Aseguinolaza M, Pesqueira Fontan PM, Rhyman N, Prieto Dehesa M, Romero Cabrera JL, García García GM, García-Casasola G, Labirua-Iturburu Ruiz A, Carrasco-Sánchez FJ, Martínez Hernández S, Pascual Pérez MDLR, López Castro J, Serrano Carrillo de Albornoz JL, Varona JF, Gómez-Huelgas R, Antón-Santos JM, Lumbreras-Bermejo C. Assessing the impact of long-term inhaled corticosteroid therapy on patients with COVID-19 and coexisting chronic lung disease: A multicenter retrospective cohort study. CANADIAN JOURNAL OF RESPIRATORY THERAPY : CJRT = REVUE CANADIENNE DE LA THERAPIE RESPIRATOIRE : RCTR 2024; 60:86-94. [PMID: 38855380 PMCID: PMC11161176 DOI: 10.29390/001c.118514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 05/23/2024] [Indexed: 06/11/2024]
Abstract
Background Patients with chronic lung disease (CLD), such as asthma or chronic obstructive pulmonary disease, were expected to have an increased risk of clinical manifestations and severity of COVID-19. However, these comorbidities have been reported less frequently than expected. Chronic treatment with inhaled corticosteroids (ICS) may impact the clinical course of COVID-19. The main objective of this study is to know the influence of chronic treatment with ICS on the prognosis of COVID-19 hospitalized patients with CLD. Methods A multicenter retrospective cohort study was designed, including patients hospitalized with COVID-19. Epidemiological and clinical data were collected at admission and at seven days, and clinical outcomes were collected. Patients with CLD with and without chronic treatment with ICS were compared. Results Two thousand five hundred ninety-eight patients were included, of which 1,171 patients had a diagnosis of asthma and 1,427 of COPD (53.37% and 41.41% with ICS, respectively). No differences were found in mortality, transfer to ICU, or development of moderate-severe ARDS. Patients with chronic ICS had a longer hospital stay in both asthma and COPD patients (9 vs. 8 days, p = 0.031 in asthma patients), (11 vs. 9 days, p = 0.018 in COPD patients); although they also had more comorbidity burden. Conclusions Patients with chronic inhaled corticosteroids had longer hospital stays and more chronic comorbidities, measured by the Charlson comorbidity index, but they did not have more severe disease at admission, evaluated with qSOFA and PSI scores. Chronic treatment with inhaled corticosteroids had no influence on the prognosis of patients with chronic lung disease and COVID-19.
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Affiliation(s)
| | | | - Laura Piles
- Medicina InternaHospital Universitario Doctor Peset
| | | | | | | | | | | | | | | | - Nicolás Rhyman
- Medicina InternaHospital de Sant Joan Despí Moisès Broggi
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Chung C, Kim H, Han K, Jung J, Eun Y, Lee H, Park J, Shin DW, Lee SW. Does Rheumatoid Arthritis Increase the Risk of COPD?: A Nationwide Retrospective Cohort Study. Chest 2024; 165:1362-1371. [PMID: 38365176 DOI: 10.1016/j.chest.2024.02.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 01/31/2024] [Accepted: 02/12/2024] [Indexed: 02/18/2024] Open
Abstract
BACKGROUND Most reports of pulmonary manifestations in rheumatoid arthritis (RA) have been related to interstitial lung diseases. RA and COPD are both chronic inflammatory systemic diseases. RESEARCH QUESTION Does RA increase the risk of developing COPD? Is there a difference between seropositive and seronegative RA in the risk of COPD? STUDY DESIGN AND METHODS Using the Korean National Health Insurance Database, we screened individuals diagnosed with RA between 2010 and 2017. We identified 46,030 patients with RA (32,608 with seropositive RA and 13,422 with seronegative RA) and 230,150 matched control individuals; we monitored them until December 2019. We used multivariate Cox proportional hazard models to estimate the adjusted hazard ratio (aHR) of risk factors for the development of COPD. RESULTS The incidence of COPD among patients with RA was 5.04 per 1,000 person-years; it was 2.23 per 1,000 person-years in the control group. Patients with RA showed a higher risk of developing COPD (aHR, 2.11; 95% CI, 1.96-2.28) compared with the control group. Although both seropositive RA and seronegative RA were associated with an increased risk of COPD, patients with seropositive RA had a higher risk for the development of COPD (aHR, 1.26; 95% CI, 1.09-1.46) than patients with seronegative RA. In the subgroup analyses, smoking history did not demonstrate significant interactions between RA and COPD development. INTERPRETATION RA was shown to be associated with an increased risk of COPD development, augmented by seropositivity. Physicians should monitor respiratory symptoms and pulmonary function carefully in patients with RA.
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Affiliation(s)
- Chiwook Chung
- Department of Pulmonary and Critical Care Medicine, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung
| | - Hyungjin Kim
- Departments of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul; Department of Medical Humanites, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul
| | - Kyungdo Han
- Department of Statistics and Actuarial Science, Soongsil University, Seoul
| | - Jinhyoung Jung
- Department of Medical Statistics, College of Medicine, Catholic University of Korea, Seoul
| | - Yeonghee Eun
- Division of Rheumatology, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul
| | - Hyun Lee
- Division of Pulmonary Medicine and Allergy, Department of Internal Medicine, Hanyang University College of Medicine, Seoul
| | - Junhee Park
- Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul
| | - Dong Wook Shin
- Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul; Department of Clinical Research Design and Evaluation, Samsung Advanced Institute for Health Science and Technology, Sungkyunkwan University, Seoul
| | - Sei Won Lee
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
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Baltazar-García EA, Vargas-Guerrero B, Lima A, Boavida Ferreira R, Mendoza-Magaña ML, Ramírez-Herrera MA, Baltazar-Díaz TA, Domínguez-Rosales JA, Salazar-Montes AM, Gurrola-Díaz CM. Deflamin Attenuated Lung Tissue Damage in an Ozone-Induced COPD Murine Model by Regulating MMP-9 Catalytic Activity. Int J Mol Sci 2024; 25:5063. [PMID: 38791100 PMCID: PMC11121448 DOI: 10.3390/ijms25105063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/26/2024] [Accepted: 05/04/2024] [Indexed: 05/26/2024] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is comprised of histopathological alterations such as pulmonary emphysema and peribronchial fibrosis. Matrix metalloproteinase 9 (MMP-9) is one of the key enzymes involved in both types of tissue remodeling during the development of lung damage. In recent studies, it was demonstrated that deflamin, a protein component extracted from Lupinus albus, markedly inhibits the catalytic activity of MMP-9 in experimental models of colon adenocarcinoma and ulcerative colitis. Therefore, in the present study, we investigated for the first time the biological effect of deflamin in a murine COPD model induced by chronic exposure to ozone. Ozone exposure was carried out in C57BL/6 mice twice a week for six weeks for 3 h each time, and the treated group was orally administered deflamin (20 mg/kg body weight) after each ozone exposure. The histological results showed that deflamin attenuated pulmonary emphysema and peribronchial fibrosis, as evidenced by H&E and Masson's trichrome staining. Furthermore, deflamin administration significantly decreased MMP-9 activity, as assessed by fluorogenic substrate assay and gelatin zymography. Interestingly, bioinformatic analysis reveals a plausible interaction between deflamin and MMP-9. Collectively, our findings demonstrate the therapeutic potential of deflamin in a COPD murine model, and suggest that the attenuation of the development of lung tissue damage occurs by deflamin-regulated MMP-9 catalytic activity.
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Affiliation(s)
- Elia Ana Baltazar-García
- Instituto de Investigación en Enfermedades Crónico-Degenerativas, Instituto Transdisciplinar de Investigación e Innovación en Salud, Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada 950, Puerta peatonal 7, Col. Independencia, Guadalajara 44350, Jalisco, Mexico; (E.A.B.-G.); (B.V.-G.); (T.A.B.-D.); (J.A.D.-R.); (A.M.S.-M.)
| | - Belinda Vargas-Guerrero
- Instituto de Investigación en Enfermedades Crónico-Degenerativas, Instituto Transdisciplinar de Investigación e Innovación en Salud, Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada 950, Puerta peatonal 7, Col. Independencia, Guadalajara 44350, Jalisco, Mexico; (E.A.B.-G.); (B.V.-G.); (T.A.B.-D.); (J.A.D.-R.); (A.M.S.-M.)
| | - Ana Lima
- CECAV—Centro de Ciência Animal e Veterinária, Faculty of Veterinary Medicine, Lusófona University, Campo Grande, 376, 1749-024 Lisbon, Portugal;
| | - Ricardo Boavida Ferreira
- LEAF—Landscape Environment Agriculture and Food, Instituto Superior de Agronomia, Universidade de Lisboa, 1349-017 Lisbon, Portugal;
| | - María Luisa Mendoza-Magaña
- Laboratorio de Neurofisiología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada 950, Puerta peatonal 7, Col. Independencia, Guadalajara 44350, Jalisco, Mexico; (M.L.M.-M.); (M.A.R.-H.)
| | - Mario Alberto Ramírez-Herrera
- Laboratorio de Neurofisiología, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada 950, Puerta peatonal 7, Col. Independencia, Guadalajara 44350, Jalisco, Mexico; (M.L.M.-M.); (M.A.R.-H.)
| | - Tonatiuh Abimael Baltazar-Díaz
- Instituto de Investigación en Enfermedades Crónico-Degenerativas, Instituto Transdisciplinar de Investigación e Innovación en Salud, Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada 950, Puerta peatonal 7, Col. Independencia, Guadalajara 44350, Jalisco, Mexico; (E.A.B.-G.); (B.V.-G.); (T.A.B.-D.); (J.A.D.-R.); (A.M.S.-M.)
| | - José Alfredo Domínguez-Rosales
- Instituto de Investigación en Enfermedades Crónico-Degenerativas, Instituto Transdisciplinar de Investigación e Innovación en Salud, Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada 950, Puerta peatonal 7, Col. Independencia, Guadalajara 44350, Jalisco, Mexico; (E.A.B.-G.); (B.V.-G.); (T.A.B.-D.); (J.A.D.-R.); (A.M.S.-M.)
| | - Adriana María Salazar-Montes
- Instituto de Investigación en Enfermedades Crónico-Degenerativas, Instituto Transdisciplinar de Investigación e Innovación en Salud, Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada 950, Puerta peatonal 7, Col. Independencia, Guadalajara 44350, Jalisco, Mexico; (E.A.B.-G.); (B.V.-G.); (T.A.B.-D.); (J.A.D.-R.); (A.M.S.-M.)
| | - Carmen Magdalena Gurrola-Díaz
- Instituto de Investigación en Enfermedades Crónico-Degenerativas, Instituto Transdisciplinar de Investigación e Innovación en Salud, Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Sierra Mojada 950, Puerta peatonal 7, Col. Independencia, Guadalajara 44350, Jalisco, Mexico; (E.A.B.-G.); (B.V.-G.); (T.A.B.-D.); (J.A.D.-R.); (A.M.S.-M.)
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Chung C, Park SY, Huh JY, Kim NH, Shon C, Oh EY, Park YJ, Lee SJ, Kim HC, Lee SW. Fine particulate matter aggravates smoking induced lung injury via NLRP3/caspase-1 pathway in COPD. J Inflamm (Lond) 2024; 21:13. [PMID: 38654364 DOI: 10.1186/s12950-024-00384-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 04/04/2024] [Indexed: 04/25/2024] Open
Abstract
BACKGROUND Exposure to noxious particles, including cigarette smoke and fine particulate matter (PM2.5), is a risk factor for chronic obstructive pulmonary disease (COPD) and promotes inflammation and cell death in the lungs. We investigated the combined effects of cigarette smoking and PM2.5 exposure in patients with COPD, mice, and human bronchial epithelial cells. METHODS The relationship between PM2.5 exposure and clinical parameters was investigated in patients with COPD based on smoking status. Alveolar destruction, inflammatory cell infiltration, and pro-inflammatory cytokines were monitored in the smoking-exposed emphysema mouse model. To investigate the mechanisms, cell viability and death and pyroptosis-related changes in BEAS-2B cells were assessed following the exposure to cigarette smoke extract (CSE) and PM2.5. RESULTS High levels of ambient PM2.5 were more strongly associated with high Saint George's respiratory questionnaire specific for COPD (SGRQ-C) scores in currently smoking patients with COPD. Combined exposure to cigarette smoke and PM2.5 increased mean linear intercept and TUNEL-positive cells in lung tissue, which was associated with increased inflammatory cell infiltration and inflammatory cytokine release in mice. Exposure to a combination of CSE and PM2.5 reduced cell viability and upregulated NLRP3, caspase-1, IL-1β, and IL-18 transcription in BEAS-2B cells. NLRP3 silencing with siRNA reduced pyroptosis and restored cell viability. CONCLUSIONS PM2.5 aggravates smoking-induced airway inflammation and cell death via pyroptosis. Clinically, PM2.5 deteriorates quality of life and may worsen prognosis in currently smoking patients with COPD.
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Affiliation(s)
- Chiwook Chung
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea
- Department of Pulmonary and Critical Care Medicine, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Republic of Korea
| | - Suk Young Park
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea
| | - Jin-Young Huh
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Chung- Ang University Gwangmyeong Hospital, Chung-Ang University College of Medicine, Gwangmyeong, Republic of Korea
| | - Na Hyun Kim
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea
| | - ChangHo Shon
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea
- Efficacy Evaluation Center, WOOJUNGBIO Inc, Hwaseong, Republic of Korea
| | - Eun Yi Oh
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea
- Department of Physiology, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Young-Jun Park
- Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Seon-Jin Lee
- Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Hwan-Cheol Kim
- Department of Occupational and Environmental Medicine, College of Medicine, Inha University, Incheon, Republic of Korea
| | - Sei Won Lee
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, 05505, Seoul, Republic of Korea.
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Weidinger D, Jacobsen J, Alisch D, Uebner H, Heinen N, Greune L, Westhoven S, Jamal Jameel K, Kronsbein J, Pfaender S, Taube C, Reuter S, Peters M, Hatt H, Knobloch J. Olfactory receptors impact pathophysiological processes of lung diseases in bronchial epithelial cells. Eur J Cell Biol 2024; 103:151408. [PMID: 38583306 DOI: 10.1016/j.ejcb.2024.151408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 03/25/2024] [Accepted: 03/27/2024] [Indexed: 04/09/2024] Open
Abstract
BACKGROUND Therapeutic options for steroid-resistant non-type 2 inflammation in obstructive lung diseases are limited. Bronchial epithelial cells are key in the pathogenesis by releasing the central proinflammatory cytokine interleukine-8 (IL-8). Olfactory receptors (ORs) are expressed in various cell types. This study examined the drug target potential of ORs by investigating their impact on associated pathophysiological processes in lung epithelial cells. METHODS Experiments were performed in the A549 cell line and in primary human bronchial epithelial cells. OR expression was investigated using RT-PCR, Western blot, and immunocytochemical staining. OR-mediated effects were analyzed by measuring 1) intracellular calcium concentration via calcium imaging, 2) cAMP concentration by luminescence-based assays, 3) wound healing by scratch assays, 4) proliferation by MTS-based assays, 5) cellular vitality by Annexin V/PI-based FACS staining, and 6) the secretion of IL-8 in culture supernatants by ELISA. RESULTS By screening 100 potential OR agonists, we identified two, Brahmanol and Cinnamaldehyde, that increased intracellular calcium concentrations. The mRNA and proteins of the corresponding receptors OR2AT4 and OR2J3 were detected. Stimulation of OR2J3 with Cinnamaldehyde reduced 1) IL-8 in the absence and presence of bacterial and viral pathogen-associated molecular patterns (PAMPs), 2) proliferation, and 3) wound healing but increased cAMP. In contrast, stimulation of OR2AT4 by Brahmanol increased wound healing but did not affect cAMP and proliferation. Both ORs did not influence cell vitality. CONCLUSION ORs might be promising drug target candidates for lung diseases with non-type 2 inflammation. Their stimulation might reduce inflammation or prevent tissue remodeling by promoting wound healing.
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Affiliation(s)
- Daniel Weidinger
- Medical Clinic III for Pneumology, Allergology and Sleep Medicine, Bergmannsheil University Hospital, Ruhr-University Bochum, Bürkle-de-la-Camp-Platz 1, Bochum 44789, Germany
| | - Julian Jacobsen
- Medical Clinic III for Pneumology, Allergology and Sleep Medicine, Bergmannsheil University Hospital, Ruhr-University Bochum, Bürkle-de-la-Camp-Platz 1, Bochum 44789, Germany
| | - Desiree Alisch
- Medical Clinic III for Pneumology, Allergology and Sleep Medicine, Bergmannsheil University Hospital, Ruhr-University Bochum, Bürkle-de-la-Camp-Platz 1, Bochum 44789, Germany
| | - Hendrik Uebner
- Department of Pulmonary Medicine, University Medical Center Essen - Ruhrlandklinik, Tüschener Weg 40, Essen 45239, Germany
| | - Natalie Heinen
- Department of Molecular and Medical Virology, Ruhr-University Bochum, Bochum 44801, Germany
| | - Lea Greune
- Medical Clinic III for Pneumology, Allergology and Sleep Medicine, Bergmannsheil University Hospital, Ruhr-University Bochum, Bürkle-de-la-Camp-Platz 1, Bochum 44789, Germany
| | - Saskia Westhoven
- Department of Molecular and Medical Virology, Ruhr-University Bochum, Bochum 44801, Germany; Research Unit Emerging Viruses, Leibniz Institute of Virology (LIV), Hamburg, Germany
| | - Kaschin Jamal Jameel
- Medical Clinic III for Pneumology, Allergology and Sleep Medicine, Bergmannsheil University Hospital, Ruhr-University Bochum, Bürkle-de-la-Camp-Platz 1, Bochum 44789, Germany
| | - Juliane Kronsbein
- Medical Clinic III for Pneumology, Allergology and Sleep Medicine, Bergmannsheil University Hospital, Ruhr-University Bochum, Bürkle-de-la-Camp-Platz 1, Bochum 44789, Germany
| | - Stephanie Pfaender
- Department of Molecular and Medical Virology, Ruhr-University Bochum, Bochum 44801, Germany; Research Unit Emerging Viruses, Leibniz Institute of Virology (LIV), Hamburg, Germany; University of Lübeck, Lübeck, Germany
| | - Christian Taube
- Department of Pulmonary Medicine, University Medical Center Essen - Ruhrlandklinik, Tüschener Weg 40, Essen 45239, Germany
| | - Sebastian Reuter
- Department of Pulmonary Medicine, University Medical Center Essen - Ruhrlandklinik, Tüschener Weg 40, Essen 45239, Germany
| | - Marcus Peters
- Department of Molecular Immunology, Ruhr-University Bochum, Universitätsstraße 150, Bochum 44801, Germany
| | - Hanns Hatt
- Cell Physiology ND4/35, Ruhr-University Bochum, Universitätsstraße 150, Bochum 44801, Germany
| | - Jürgen Knobloch
- Medical Clinic III for Pneumology, Allergology and Sleep Medicine, Bergmannsheil University Hospital, Ruhr-University Bochum, Bürkle-de-la-Camp-Platz 1, Bochum 44789, Germany.
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Perotin JM, Muggeo A, Lecomte-Thenot Q, Brisebarre A, Dury S, Launois C, Ancel J, Dormoy V, Guillard T, Deslee G. High Blood Eosinophil Count at Stable State is Not Associated with Airway Microbiota Distinct Profile in COPD. Int J Chron Obstruct Pulmon Dis 2024; 19:765-771. [PMID: 38524398 PMCID: PMC10959750 DOI: 10.2147/copd.s453526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 02/21/2024] [Indexed: 03/26/2024] Open
Abstract
Purpose The heterogeneity of clinical features in COPD at stable state has been associated with airway microbiota. Blood eosinophil count (BEC) represents a biomarker for a pejorative evolution of COPD, including exacerbations and accelerated FEV1 decline. We aimed to analyse the associations between BEC and airway microbiota in COPD at stable state. Patients and Methods Adult COPD patients at stable state (RINNOPARI cohort) were included and characterised for clinical, functional, biological and morphological features. BEC at inclusion defined 2 groups of patients with low BEC <300/mm3 and high BEC ≥300/mm3. Sputa were collected and an extended microbiological culture was performed for the identification of viable airway microbiota. Results Fifty-nine subjects were included. When compared with the low BEC (n=40, 67.8%), the high BEC group (n=19, 32.2%) had more frequent exacerbations (p<0.001) and more pronounced cough and sputum (p<0.05). The global composition, the number of bacteria per sample and the α-diversity of the microbiota did not differ between groups, as well as the predominant phyla (Firmicutes), or the gender repartition. Conclusion In our study, high BEC in COPD at stable state was associated with a clinical phenotype including frequent exacerbation, but no distinct profile of viable airway microbiota compared with low BEC.
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Affiliation(s)
- Jeanne-Marie Perotin
- Université de Reims Champagne-Ardenne, INSERM UMR-S 1250, P3Cell, Reims, France
- CHU de Reims, Service des Maladies Respiratoires, Reims, France
| | - Anaëlle Muggeo
- Université de Reims Champagne-Ardenne, INSERM UMR-S 1250, P3Cell, CHU de Reims, Laboratoire de bactériologie-Virologie-Hygiène hospitalière-Parasitologie-Mycologie, Reims, France
| | - Quentin Lecomte-Thenot
- Université de Reims Champagne-Ardenne, INSERM UMR-S 1250, P3Cell, CHU de Reims, Laboratoire de bactériologie-Virologie-Hygiène hospitalière-Parasitologie-Mycologie, Reims, France
| | - Audrey Brisebarre
- Université de Reims Champagne-Ardenne, INSERM UMR-S 1250, P3Cell, Reims, France
| | - Sandra Dury
- CHU de Reims, Service des Maladies Respiratoires, Reims, France
| | - Claire Launois
- Université de Reims Champagne-Ardenne, INSERM UMR-S 1250, P3Cell, Reims, France
- CHU de Reims, Service des Maladies Respiratoires, Reims, France
| | - Julien Ancel
- Université de Reims Champagne-Ardenne, INSERM UMR-S 1250, P3Cell, Reims, France
- CHU de Reims, Service des Maladies Respiratoires, Reims, France
| | - Valérian Dormoy
- Université de Reims Champagne-Ardenne, INSERM UMR-S 1250, P3Cell, Reims, France
| | - Thomas Guillard
- Université de Reims Champagne-Ardenne, INSERM UMR-S 1250, P3Cell, CHU de Reims, Laboratoire de bactériologie-Virologie-Hygiène hospitalière-Parasitologie-Mycologie, Reims, France
| | - Gaëtan Deslee
- Université de Reims Champagne-Ardenne, INSERM UMR-S 1250, P3Cell, Reims, France
- CHU de Reims, Service des Maladies Respiratoires, Reims, France
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7
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Khan MI, Easwaran M, Martinez JD, Kimura A, Erickson-DiRenzo E. Method for Collecting Single Epithelial Cells from the Mouse Larynx. Laryngoscope 2024; 134:786-794. [PMID: 37602769 PMCID: PMC10841475 DOI: 10.1002/lary.30970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 08/01/2023] [Accepted: 08/03/2023] [Indexed: 08/22/2023]
Abstract
OBJECTIVE The larynx is lined by specialized epithelial cell populations. Studying molecular changes occurring in individual epithelial cell types requires a reliable method for removing these cells from the larynx. Our objective was to develop a method to harvest individual epithelial cells from the mouse larynx while minimizing contamination from non-laryngeal sites and non-epithelial laryngeal cells. METHODS Mice were euthanized, and the larynx was carefully exposed and separated from non-laryngeal sites. A small dental brush was inserted into the laryngeal inlet and rotated to obtain epithelial cells. Cells were transferred to collection media, counted, and cytospin preparations stained for laryngeal epithelial (i.e., Pan-Keratin, EpCAM, NGFR, p63, K5, β-tubulin, MUC5AC) and non-epithelial (i.e., vimentin) cell markers. Histopathology was completed on brushed laryngeal tissue sections to evaluate the depth of cell collection. Preliminary Single-cell RNA sequencing (scRNA-seq) was performed to confirm this method can capture diverse laryngeal cell types. RESULTS We collected 6000-8000 cells from a single larynx and 35000-40000 cells from combining brushings from three tissues. Histopathology demonstrated brushing removed the epithelial layer of the larynx and some underlying tissue. Immunofluorescence staining demonstrated the phenotype of harvested cells was primarily epithelial. Preliminary scRNA-seq was successfully conducted and displayed nine unique cell clusters. CONCLUSION We developed a reliable method of harvesting individual epithelial cells from the mouse larynx. This method will be useful for collection of laryngeal cells for a variety of downstream cellular and molecular assays, including scRNA-seq, protein analyses, and cell-culture-based experiments, following laryngeal injury. LEVEL OF EVIDENCE NA Laryngoscope, 134:786-794, 2024.
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Affiliation(s)
- Mohammed Imran Khan
- Department of Otolaryngology - Head & Neck Surgery, School of Medicine, Stanford University, Stanford, CA
| | - Meena Easwaran
- Department of Otolaryngology - Head & Neck Surgery, School of Medicine, Stanford University, Stanford, CA
- Department of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA
| | - Joshua D. Martinez
- Department of Otolaryngology - Head & Neck Surgery, School of Medicine, Stanford University, Stanford, CA
| | - Akari Kimura
- Department of Otolaryngology - Head & Neck Surgery, School of Medicine, Stanford University, Stanford, CA
| | - Elizabeth Erickson-DiRenzo
- Department of Otolaryngology - Head & Neck Surgery, School of Medicine, Stanford University, Stanford, CA
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8
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Barada O, Salomé-Desnoulez S, Madouri F, Deslée G, Coraux C, Gosset P, Pichavant M. IL-20 Cytokines Are Involved in the Repair of Airway Epithelial Barrier: Implication in Exposure to Cigarette Smoke and in COPD Pathology. Cells 2023; 12:2464. [PMID: 37887308 PMCID: PMC10604979 DOI: 10.3390/cells12202464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 10/10/2023] [Accepted: 10/11/2023] [Indexed: 10/28/2023] Open
Abstract
BACKGROUND Dysregulated inflammation as seen in chronic obstructive pulmonary disease (COPD) is associated with impaired wound healing. IL-20 cytokines are known to be involved in wound healing processes. The purpose of this study was to use ex vivo and in vitro approaches mimicking COPD to evaluate the potential modulatory role of interleukin-20 (IL-20) on the inflammatory and healing responses to epithelial wounding. METHODS The expression of IL-20 cytokines and their receptors was investigated in lung-derived samples collected from non-COPD and COPD patients, from mice chronically exposed to cigarette smoke and from airway epithelial cells from humans and mice exposed in vitro to cigarette smoke. To investigate the role of IL-20 cytokines in wound healing, experiments were performed using a blocking anti-IL-20Rb antibody. RESULTS Of interest, IL-20 cytokines and their receptors were expressed in bronchial mucosa, especially on airway epithelial cells. Their expression correlated with the disease severity. Blocking these cytokines in a COPD context improved the repair processes after a lesion induced by scratching the epithelial layer. CONCLUSIONS Collectively, this study highlights the implication of IL-20 cytokines in the repair of the airway epithelium and in the pathology of COPD. IL-20 subfamily cytokines might provide therapeutic benefit for patients with COPD to improve epithelial healing.
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Affiliation(s)
- Olivia Barada
- Institut Pasteur de Lille, Centre d’Infection et d’Immunité de Lille; Université Lille Nord de France; Centre National de la Recherche Scientifique UMR 9017; Institut National de la Santé et de la Recherche Médicale U1019, 59019 Lille, France; (O.B.); (F.M.); (P.G.)
| | - Sophie Salomé-Desnoulez
- Institut Pasteur de Lille, Université de Lille, CNRS UMR9017, Inserm U1019, CHU Lille, US 41—UAR 2014—PLBS, 59000 Lille, France;
| | - Fahima Madouri
- Institut Pasteur de Lille, Centre d’Infection et d’Immunité de Lille; Université Lille Nord de France; Centre National de la Recherche Scientifique UMR 9017; Institut National de la Santé et de la Recherche Médicale U1019, 59019 Lille, France; (O.B.); (F.M.); (P.G.)
| | - Gaëtan Deslée
- Service de Pneumologie, Centre Hospitalier Universitaire de Reims, 51092 Reims, France;
- Institut National de la Santé et de la Recherche Médicale, UMR-S 1250, Université de Reims Champagne-Ardenne (URCA), SFR Cap-Santé, 51100 Reims, France;
| | - Christelle Coraux
- Institut National de la Santé et de la Recherche Médicale, UMR-S 1250, Université de Reims Champagne-Ardenne (URCA), SFR Cap-Santé, 51100 Reims, France;
| | - Philippe Gosset
- Institut Pasteur de Lille, Centre d’Infection et d’Immunité de Lille; Université Lille Nord de France; Centre National de la Recherche Scientifique UMR 9017; Institut National de la Santé et de la Recherche Médicale U1019, 59019 Lille, France; (O.B.); (F.M.); (P.G.)
| | - Muriel Pichavant
- Institut Pasteur de Lille, Centre d’Infection et d’Immunité de Lille; Université Lille Nord de France; Centre National de la Recherche Scientifique UMR 9017; Institut National de la Santé et de la Recherche Médicale U1019, 59019 Lille, France; (O.B.); (F.M.); (P.G.)
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9
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Strickson S, Houslay KF, Negri VA, Ohne Y, Ottosson T, Dodd RB, Huntington CC, Baker T, Li J, Stephenson KE, O'Connor AJ, Sagawe JS, Killick H, Moore T, Rees DG, Koch S, Sanden C, Wang Y, Gubbins E, Ghaedi M, Kolbeck R, Saumyaa S, Erjefält JS, Sims GP, Humbles AA, Scott IC, Romero Ros X, Cohen ES. Oxidised IL-33 drives COPD epithelial pathogenesis via ST2-independent RAGE/EGFR signalling complex. Eur Respir J 2023; 62:2202210. [PMID: 37442582 PMCID: PMC10533947 DOI: 10.1183/13993003.02210-2022] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 06/28/2023] [Indexed: 07/15/2023]
Abstract
BACKGROUND Epithelial damage, repair and remodelling are critical features of chronic airway diseases including chronic obstructive pulmonary disease (COPD). Interleukin (IL)-33 released from damaged airway epithelia causes inflammation via its receptor, serum stimulation-2 (ST2). Oxidation of IL-33 to a non-ST2-binding form (IL-33ox) is thought to limit its activity. We investigated whether IL-33ox has functional activities that are independent of ST2 in the airway epithelium. METHODS In vitro epithelial damage assays and three-dimensional, air-liquid interface (ALI) cell culture models of healthy and COPD epithelia were used to elucidate the functional role of IL-33ox. Transcriptomic changes occurring in healthy ALI cultures treated with IL-33ox and COPD ALI cultures treated with an IL-33-neutralising antibody were assessed with bulk and single-cell RNA sequencing analysis. RESULTS We demonstrate that IL-33ox forms a complex with receptor for advanced glycation end products (RAGE) and epidermal growth factor receptor (EGFR) expressed on airway epithelium. Activation of this alternative, ST2-independent pathway impaired epithelial wound closure and induced airway epithelial remodelling in vitro. IL-33ox increased the proportion of mucus-producing cells and reduced epithelial defence functions, mimicking pathogenic traits of COPD. Neutralisation of the IL-33ox pathway reversed these deleterious traits in COPD epithelia. Gene signatures defining the pathogenic effects of IL-33ox were enriched in airway epithelia from patients with severe COPD. CONCLUSIONS Our study reveals for the first time that IL-33, RAGE and EGFR act together in an ST2-independent pathway in the airway epithelium and govern abnormal epithelial remodelling and muco-obstructive features in COPD.
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Affiliation(s)
- Sam Strickson
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
- These authors contributed equally to this work
| | - Kirsty F Houslay
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
- These authors contributed equally to this work
| | - Victor A Negri
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Yoichiro Ohne
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Tomas Ottosson
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Roger B Dodd
- Biologics Engineering, R&D, AstraZeneca, Cambridge, UK
| | | | - Tina Baker
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Jingjing Li
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Katherine E Stephenson
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Andy J O'Connor
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - J Sophie Sagawe
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Helen Killick
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Tom Moore
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - D Gareth Rees
- Biologics Engineering, R&D, AstraZeneca, Cambridge, UK
| | - Sofia Koch
- Imaging & Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge, UK
| | - Caroline Sanden
- Experimental Medical Sciences, Lund University, Lund, Sweden
- Medetect AB, Lund, Sweden
| | - Yixin Wang
- Imaging & Data Analytics, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Gothenburg, Sweden
| | - Elise Gubbins
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Mahboobe Ghaedi
- Bioscience COPD/IPF, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Roland Kolbeck
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
- Current: Spirovant Sciences, Philadelphia, PA, USA
| | - Saumyaa Saumyaa
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, Gothenburg, Sweden
| | - Jonas S Erjefält
- Experimental Medical Sciences, Lund University, Lund, Sweden
- Allergology and Respiratory Medicine, Lund University, Skåne University Hospital, Lund, Sweden
| | - Gary P Sims
- Bioscience Immunology, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Alison A Humbles
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
- Current: Roche Pharma Research & Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd, Basel, Switzerland
| | - Ian C Scott
- Translational Science and Experimental Medicine, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Xavier Romero Ros
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
- These authors contributed equally to this work
| | - E Suzanne Cohen
- Bioscience Asthma and Skin Immunity, Research and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
- These authors contributed equally to this work
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10
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Chung C, Lee KN, Han K, Shin DW, Lee SW. Effect of smoking on the development of chronic obstructive pulmonary disease in young individuals: a nationwide cohort study. Front Med (Lausanne) 2023; 10:1190885. [PMID: 37593403 PMCID: PMC10428618 DOI: 10.3389/fmed.2023.1190885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 07/20/2023] [Indexed: 08/19/2023] Open
Abstract
Background Cigarette smoking is an important risk factor for developing chronic obstructive pulmonary disease (COPD). However, the effect of smoking on the development of COPD in young individuals remains unclear. We aimed to evaluate the effect of smoking on COPD development in young individuals. Methods Using the Korean National Health Information Database, we screened individuals aged 20-39 years who participated in the national health check-up between 2009 and 2012. We defined physician-diagnosed COPD based on health insurance claims and searched the database until December 2019. We identified 6,307,576 eligible individuals, and 13,789 had newly developed COPD. We used multivariate Cox proportional hazards models to estimate the adjusted hazard ratio (aHR) of risk factors for COPD. Results The incidence rate for developing COPD was 0.26/1000 person-year. The risk of developing COPD was significantly higher in current smokers [aHR 1.46, 95% confidence interval (CI) 1.39-1.53] and former smokers (aHR 1.21, 95% CI 1.14-1.29) than in non-smokers. Furthermore, the risk increased with increasing smoking amounts (≥20 pack-years, aHR 2.24; 10-20 pack-years, aHR 1.55; <10 pack-years, aHR 1.27). Female participants had a higher relative risk of developing COPD due to smoking, compared with their male counterparts. Conclusion Cigarette smoking increased the risk of developing COPD in young individuals. Current and heavy smokers had higher risks of developing COPD than non-smokers. Female smokers were more likely to develop COPD than male smokers.
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Affiliation(s)
- Chiwook Chung
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
- Department of Pulmonary, Allergy, and Critical Care Medicine, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung, Republic of Korea
| | - Kyu Na Lee
- Department of Statistics and Actuarial Science, Soongsil University, Seoul, Republic of Korea
| | - Kyungdo Han
- Department of Statistics and Actuarial Science, Soongsil University, Seoul, Republic of Korea
| | - Dong Wook Shin
- Supportive Care Center, Samsung Comprehensive Cancer Center, Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Sei Won Lee
- Department of Pulmonary and Critical Care Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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11
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Li K, Mei X, Xu K, Jia L, Zhao P, Tian Y, Li J. Comparative study of cigarette smoke, Klebsiella pneumoniae, and their combination on airway epithelial barrier function in mice. ENVIRONMENTAL TOXICOLOGY 2023; 38:1133-1142. [PMID: 36757011 DOI: 10.1002/tox.23753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 01/09/2023] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND The airway epithelium acts as a physical barrier to protect pulmonary airways against pathogenic microorganisms and toxic substances, such as cigarette smoke (CS), bacteria, and viruses. The disruption of the structural integrity and dysfunction of the airway epithelium is related to the occurrence and progression of chronic obstructive pulmonary disease. PURPOSE The aim of this study is to compare the effects of CS, Klebsiella pneumoniae (KP), and their combination on airway epithelial barrier function. METHODS The mice were exposed to CS, KP, and their combination from 1 to 8 weeks. After the cessation of CS and KP at Week 8, we observed the recovery of epithelial barrier function in mice for an additional 16 weeks. To compare the epithelial barrier function among different groups over time, the mice were sacrificed at Weeks 4, 8, 16, and 24 and then the lungs were harvested to detect the pulmonary pathology, inflammatory cytokines, and tight junction proteins. To determine the underlying mechanisms, the BEAS-2B cells were treated with an epidermal growth factor receptor (EGFR) inhibitor (AG1478). RESULTS The results of this study suggested that the decreased lung function, increased bronchial wall thickness (BWT), elevated inflammatory factors, and reduced tight junction protein levels were observed at Week 8 in CS-induced mice and these changes persisted until Week 16. In the KP group, increased BWT and elevated inflammatory factors were observed only at Week 8, whereas in the CS + KP group, decreased lung function, lung tissue injury, inflammatory cell infiltration, and epithelial barrier impairment were observed at Week 4 and persisted until Week 24. To further determine the mechanisms of CS, bacteria, and their combination on epithelial barrier injury, we investigated the changes of EGFR and its downstream protein in the lung tissues of mice and BEAS-2B cells. Our research indicated that CS, KP, or their combination could activate EGFR, which can phosphorylate and activate ERK1/2, and this effect was more pronounced in the CS + KP group. Furthermore, the EGFR inhibitor AG1478 suppressed the phosphorylation of ERK1/2 and subsequently upregulated the expression of ZO-1 and occludin. In general, these results indicated that the combination of CS and KP caused more severe and enduring damage to epithelial barrier function than CS or KP alone, which might be associated with EGFR/ERK1/2 signaling. CONCLUSION Epithelial barrier injury occurred earlier, was more severe, and had a longer duration when induced by the combination of CS and KP compared with the exposure to CS or KP alone, which might be associated with EGFR/ERK signaling.
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Affiliation(s)
- Kangchen Li
- Department of Respiratory Diseases, Longhua Hospital Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou, China
- Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases Co-constructed by Henan Province & Education Ministry of P.R. China, Henan University of Chinese Medicine, Zhengzhou, China
| | - Xiaofeng Mei
- Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou, China
- Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases Co-constructed by Henan Province & Education Ministry of P.R. China, Henan University of Chinese Medicine, Zhengzhou, China
| | - Kexin Xu
- Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou, China
- Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases Co-constructed by Henan Province & Education Ministry of P.R. China, Henan University of Chinese Medicine, Zhengzhou, China
| | - Lidan Jia
- Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou, China
- Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases Co-constructed by Henan Province & Education Ministry of P.R. China, Henan University of Chinese Medicine, Zhengzhou, China
| | - Peng Zhao
- Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou, China
- Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases Co-constructed by Henan Province & Education Ministry of P.R. China, Henan University of Chinese Medicine, Zhengzhou, China
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, China
| | - Yange Tian
- Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou, China
- Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases Co-constructed by Henan Province & Education Ministry of P.R. China, Henan University of Chinese Medicine, Zhengzhou, China
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, China
| | - Jiansheng Li
- Department of Respiratory Diseases, Longhua Hospital Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Henan University of Chinese Medicine, Zhengzhou, China
- Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases Co-constructed by Henan Province & Education Ministry of P.R. China, Henan University of Chinese Medicine, Zhengzhou, China
- Department of Respiratory Diseases, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
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12
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Impact of Chronic Obstructive Pulmonary Disease on Outcomes After Total Joint Arthroplasty: A Meta-analysis and Systematic Review. Indian J Orthop 2022; 57:211-226. [PMID: 36777112 PMCID: PMC9880123 DOI: 10.1007/s43465-022-00794-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 10/29/2022] [Indexed: 12/14/2022]
Abstract
Background Comorbid chronic obstructive pulmonary disease (COPD) is increasingly common and may have an adverse impact on outcomes in patients undergoing total joint arthroplasty (TJA) of lower extremity. The purpose of this meta-analysis is to compare the postoperative complications between COPD and non-COPD patients undergoing primary TJA including total hip and knee arthroplasty. Methods PubMed, EMBASE, and Cochrane Library were systematically searched for relevant studies published before December 2021. Postoperative outcomes were compared between patients with COPD versus those without COPD as controls. The outcomes were mortality, re-admission, pulmonary, cardiac, renal, thromboembolic complications, surgical site infection (SSI), periprosthetic joint infection (PJI), and sepsis. Results A total of 1,002,779 patients from nine studies were finally included in this meta-analysis. Patients with COPD had an increased risk of mortality (OR [odds ratio] = 1.69, 95% confidence interval [CI] 1.42-2.02), re-admission (OR = 1.54, 95% CI 1.38-1.71), pulmonary complications (OR = 2.73, 95% CI 2.26-3.30), cardiac complications (OR = 1.40, 95% CI 1.15-1.69), thromboembolic complications (OR = 1.21, 95% CI 1.15-1.28), renal complications (OR = 1.50, 95% CI 1.14-1.26), SSI (OR = 1.23, 95% CI 1.18-1.30), PJI (OR = 1.26, 95% CI 1.15-1.38), and sepsis (OR = 1.36, 95% CI 1.22-1.52). Conclusion Patients with comorbid COPD showed an increased risk of mortality and postoperative complications following TJA compared with patients without COPD. Therefore, orthopedic surgeons can use the study to adequately educate these potential complications when obtaining informed consent. Furthermore, preoperative evaluation and medical optimization are crucial to minimizing postoperative complications from arising in this difficult-to-treat population. Level of evidence Level III. Registration None. Supplementary Information The online version contains supplementary material available at 10.1007/s43465-022-00794-2.
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13
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Burke JF, Quinlan ND, Werner BC, Browne JA. Use of Supplemental Home Oxygen is Associated With Early Postoperative Complications Following Total Knee Arthroplasty. J Arthroplasty 2022; 37:2186-2192.e2. [PMID: 35661697 DOI: 10.1016/j.arth.2022.05.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/24/2022] [Accepted: 05/26/2022] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The objective of this study is to evaluate preoperative supplemental home oxygen use as a potential risk factor for both medical and surgical complications following primary elective total knee arthroplasty (TKA) in patients who have respiratory disease (RD). METHODS Patients with a diagnosis of RD who underwent elective TKA from 2010 to 2020 were identified using a national database. The rates of postoperative medical and surgical complications, hospital readmissions, and emergency room visits were calculated for RD patients who used supplemental home oxygen and those who did not. Additionally, reimbursements and lengths of stay were determined. Both cohorts were then compared to matched cohorts who did not have RD using logistic regression analyses. RESULTS A total of 41,418 patients who underwent TKA with RD on home oxygen and 138,635 patients who had RD without home oxygen use were compared with matched cohorts. The RD cohort with home oxygen use had a significantly higher incidence of periprosthetic joint infection (5.78% versus 2.69%, odds ratio [OR] 1.42, P < .0001), pneumonia (3.95% versus 0.69%, OR 4.44, P < .0001), venous thromboembolism (3.17% versus 2.10%, OR 1.12, P = .007), and periprosthetic fracture (0.82% versus 0.34%, OR 1.72, P < .0001) compared to the matched control cohort. Additionally, the RD with home oxygen cohort had a significantly higher incidence of periprosthetic joint infection (5.78% versus 3.77%, OR 1.15, P < .0001), pneumonia (3.95% versus 1.63%, OR 1.99, P < .0001), and several other medical complications compared to RD patients without home oxygen use. CONCLUSION Preoperative supplemental home oxygen use is associated with significantly increased risk of postoperative surgical and medical complications following elective TKA. This finding can help guide risk assessment and the informed consent process prior to surgery.
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Affiliation(s)
- John F Burke
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia
| | - Nicole D Quinlan
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia
| | - Brian C Werner
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia
| | - James A Browne
- Department of Orthopaedic Surgery, University of Virginia, Charlottesville, Virginia
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14
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Propylene glycol, a component of electronic cigarette liquid, damages epithelial cells in human small airways. Respir Res 2022; 23:216. [PMID: 35999544 PMCID: PMC9400210 DOI: 10.1186/s12931-022-02142-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 08/15/2022] [Indexed: 11/10/2022] Open
Abstract
Background Electronic cigarettes (e-cigarettes) are used worldwide as a substitute for conventional cigarettes. Although they are primarily intended to support smoking cessation, e-cigarettes have been identified as a gateway to smoking habits for young people. Multiple recent reports have described the health effects of inhaling e-cigarettes. E-cigarette liquid (e-liquid) is mainly composed of propylene glycol (PG) and glycerol (Gly), and the aerosol generated by these devices primarily contains these two components. Thus, this study aimed to evaluate the effects of PG and Gly on human small airway epithelial cells (SAECs). Methods SAECs were exposed to PG or Gly, and cell proliferation, cell viability, lactate dehydrogenase (LDH) release, DNA damage, cell cycle, and apoptosis were evaluated. Additionally, SAECs derived from chronic obstructive pulmonary disease (COPD) patients (COPD-SAECs) were investigated. Results Exposure of SAECs to PG significantly inhibited proliferation (1%, PG, p = 0.021; 2–4% PG, p < 0.0001) and decreased cell viability (1–4% PG, p < 0.0001) in a concentration-dependent manner. Gly elicited similar effects but to a reduced degree as compared to the same concentration of PG. PG also increased LDH release in a concentration-dependent manner (3% PG, p = 0.0055; 4% PG, p < 0.0001), whereas Gly did not show a significant effect on LDH release. SAECs exposed to 4% PG contained more cells that were positive for phosphorylated histone H2AX (p < 0.0001), a marker of DNA damage, and an increased proportion of cells in the G1 phase (p < 0.0001) and increased p21 expression (p = 0.0005). Moreover, caspase 3/7-activated cells and cleaved poly (ADP-ribose) polymerase 1 expression were increased in SAECs exposed to 4% PG (p = 0.0054). Furthermore, comparing COPD-SAECs to SAECs without COPD in PG exposure, cell proliferation, cell viability, DNA damage and apoptosis were significantly greater in COPD-SAECs. Conclusion PG damaged SAECs more than Gly. In addition, COPD-SAECs were more susceptible to PG than SAECs without COPD. Usage of e-cigarettes may be harmful to the respiratory system, especially in patients with COPD.
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15
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Park SS, Perez Perez JL, Perez Gandara B, Agudelo CW, Rodriguez Ortega R, Ahmed H, Garcia-Arcos I, McCarthy C, Geraghty P. Mechanisms Linking COPD to Type 1 and 2 Diabetes Mellitus: Is There a Relationship between Diabetes and COPD? Medicina (B Aires) 2022; 58:medicina58081030. [PMID: 36013497 PMCID: PMC9415273 DOI: 10.3390/medicina58081030] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/25/2022] [Accepted: 07/27/2022] [Indexed: 01/09/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) patients frequently suffer from multiple comorbidities, resulting in poor outcomes for these patients. Diabetes is observed at a higher frequency in COPD patients than in the general population. Both type 1 and 2 diabetes mellitus are associated with pulmonary complications, and similar therapeutic strategies are proposed to treat these conditions. Epidemiological studies and disease models have increased our knowledge of these clinical associations. Several recent genome-wide association studies have identified positive genetic correlations between lung function and obesity, possibly due to alterations in genes linked to cell proliferation; embryo, skeletal, and tissue development; and regulation of gene expression. These studies suggest that genetic predisposition, in addition to weight gain, can influence lung function. Cigarette smoke exposure can also influence the differential methylation of CpG sites in genes linked to diabetes and COPD, and smoke-related single nucleotide polymorphisms are associated with resting heart rate and coronary artery disease. Despite the vast literature on clinical disease association, little direct mechanistic evidence is currently available demonstrating that either disease influences the progression of the other, but common pharmacological approaches could slow the progression of these diseases. Here, we review the clinical and scientific literature to discuss whether mechanisms beyond preexisting conditions, lifestyle, and weight gain contribute to the development of COPD associated with diabetes. Specifically, we outline environmental and genetic confounders linked with these diseases.
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Affiliation(s)
- Sangmi S. Park
- Department of Medicine, State University of New York Downstate Health Sciences University, Brooklyn, NY 11203, USA; (S.S.P.); (J.L.P.P.); (B.P.G.); (C.W.A.); (R.R.O.); (H.A.); (I.G.-A.)
| | - Jessica L. Perez Perez
- Department of Medicine, State University of New York Downstate Health Sciences University, Brooklyn, NY 11203, USA; (S.S.P.); (J.L.P.P.); (B.P.G.); (C.W.A.); (R.R.O.); (H.A.); (I.G.-A.)
| | - Brais Perez Gandara
- Department of Medicine, State University of New York Downstate Health Sciences University, Brooklyn, NY 11203, USA; (S.S.P.); (J.L.P.P.); (B.P.G.); (C.W.A.); (R.R.O.); (H.A.); (I.G.-A.)
| | - Christina W. Agudelo
- Department of Medicine, State University of New York Downstate Health Sciences University, Brooklyn, NY 11203, USA; (S.S.P.); (J.L.P.P.); (B.P.G.); (C.W.A.); (R.R.O.); (H.A.); (I.G.-A.)
| | - Romy Rodriguez Ortega
- Department of Medicine, State University of New York Downstate Health Sciences University, Brooklyn, NY 11203, USA; (S.S.P.); (J.L.P.P.); (B.P.G.); (C.W.A.); (R.R.O.); (H.A.); (I.G.-A.)
| | - Huma Ahmed
- Department of Medicine, State University of New York Downstate Health Sciences University, Brooklyn, NY 11203, USA; (S.S.P.); (J.L.P.P.); (B.P.G.); (C.W.A.); (R.R.O.); (H.A.); (I.G.-A.)
| | - Itsaso Garcia-Arcos
- Department of Medicine, State University of New York Downstate Health Sciences University, Brooklyn, NY 11203, USA; (S.S.P.); (J.L.P.P.); (B.P.G.); (C.W.A.); (R.R.O.); (H.A.); (I.G.-A.)
| | - Cormac McCarthy
- University College Dublin School of Medicine, Education and Research Centre, St. Vincent’s University Hospital, D04 T6F4 Dublin, Ireland;
| | - Patrick Geraghty
- Department of Medicine, State University of New York Downstate Health Sciences University, Brooklyn, NY 11203, USA; (S.S.P.); (J.L.P.P.); (B.P.G.); (C.W.A.); (R.R.O.); (H.A.); (I.G.-A.)
- Correspondence: ; Tel.: +1-718-270-3141
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16
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Muggeo A, Perotin JM, Brisebarre A, Dury S, Dormoy V, Launois C, Ancel J, Mulette P, de Champs C, Deslée G, Guillard T. Extended Bacteria Culture-Based Clustering Identifies a Phenotype Associating Increased Cough and Enterobacterales in Stable Chronic Obstructive Pulmonary Disease. Front Microbiol 2022; 12:781797. [PMID: 34970242 PMCID: PMC8712763 DOI: 10.3389/fmicb.2021.781797] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 11/11/2021] [Indexed: 11/13/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a chronic inflammatory lung disease characterized by airflow limitation. This chronic respiratory disease represents the third leading cause of death worldwide. Alteration of the airway microbiota has been reported to be associated with exacerbation frequency in COPD, but its role on the symptoms in patients at stable state is still incompletely described. This study aimed to determine whether bacteria isolated in sputum can be associated with the clinical features of COPD patients within stable state. Our study highlights, for the first time, that altered microbiota with Enterobacterales is associated with pejorative clinical symptoms in stable COPD patients. The airway microbiota of 38 patients was analyzed using an extended culture approach and mass spectrometry identification. Cluster analysis by principal coordinate analysis of the bacterial communities showed that the patients could be classified into three distinct clusters in our cohort. The clusters showed no differences in proportions of the phylum, but one of them was associated with a high prevalence of Enterobacterales (71.4% in cluster 1 vs. 0% in cluster 3), loss of microbiota diversity, and higher bacterial load (107 vs. 105 CFU/ml, respectively) and characterized by predominant cough and impact on mental health. These novel findings, supported by further studies, could lead to modifying the processing of COPD sputum in the everyday practice of clinical microbiology laboratories.
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Affiliation(s)
- Anaëlle Muggeo
- Inserm UMR-S 1250 Pulmonary pathologies and cellular plasticity (P3Cell), Reims-Champagne-Ardenne University, SFR CAP Santé, Reims, France.,Laboratory of Bacteriology-Virology-Hospital Hygiene-Parasitology-Mycology, Reims University Hospital, Reims, France
| | - Jeanne-Marie Perotin
- Inserm UMR-S 1250 Pulmonary pathologies and cellular plasticity (P3Cell), Reims-Champagne-Ardenne University, SFR CAP Santé, Reims, France.,Department of Respiratory Diseases, Reims University Hospital, Reims, France
| | - Audrey Brisebarre
- Inserm UMR-S 1250 Pulmonary pathologies and cellular plasticity (P3Cell), Reims-Champagne-Ardenne University, SFR CAP Santé, Reims, France
| | - Sandra Dury
- Department of Respiratory Diseases, Reims University Hospital, Reims, France
| | - Valérian Dormoy
- Inserm UMR-S 1250 Pulmonary pathologies and cellular plasticity (P3Cell), Reims-Champagne-Ardenne University, SFR CAP Santé, Reims, France
| | - Claire Launois
- Department of Respiratory Diseases, Reims University Hospital, Reims, France
| | - Julien Ancel
- Inserm UMR-S 1250 Pulmonary pathologies and cellular plasticity (P3Cell), Reims-Champagne-Ardenne University, SFR CAP Santé, Reims, France.,Department of Respiratory Diseases, Reims University Hospital, Reims, France
| | - Pauline Mulette
- Inserm UMR-S 1250 Pulmonary pathologies and cellular plasticity (P3Cell), Reims-Champagne-Ardenne University, SFR CAP Santé, Reims, France.,Department of Respiratory Diseases, Reims University Hospital, Reims, France
| | - Christophe de Champs
- Inserm UMR-S 1250 Pulmonary pathologies and cellular plasticity (P3Cell), Reims-Champagne-Ardenne University, SFR CAP Santé, Reims, France.,Laboratory of Bacteriology-Virology-Hospital Hygiene-Parasitology-Mycology, Reims University Hospital, Reims, France
| | - Gaëtan Deslée
- Inserm UMR-S 1250 Pulmonary pathologies and cellular plasticity (P3Cell), Reims-Champagne-Ardenne University, SFR CAP Santé, Reims, France.,Department of Respiratory Diseases, Reims University Hospital, Reims, France
| | - Thomas Guillard
- Inserm UMR-S 1250 Pulmonary pathologies and cellular plasticity (P3Cell), Reims-Champagne-Ardenne University, SFR CAP Santé, Reims, France.,Laboratory of Bacteriology-Virology-Hospital Hygiene-Parasitology-Mycology, Reims University Hospital, Reims, France
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17
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Hsu HL, Chen HK, Tsai CH, Liao PL, Chan YJ, Lee YC, Lee CC, Li CH. Aryl Hydrocarbon Receptor Defect Attenuates Mitogen-Activated Signaling through Leucine-Rich Repeats and Immunoglobulin-like Domains 1 (LRIG1)-Dependent EGFR Degradation. Int J Mol Sci 2021; 22:9988. [PMID: 34576152 PMCID: PMC8464816 DOI: 10.3390/ijms22189988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/05/2021] [Accepted: 09/11/2021] [Indexed: 11/17/2022] Open
Abstract
Aryl hydrocarbon receptor (AHR) genomic pathway has been well-characterized in a number of respiratory diseases. In addition, the cytoplasmic AHR protein may act as an adaptor of E3 ubiquitin ligase. In this study, the physiological functions of AHR that regulate cell proliferation were explored using the CRISPR/Cas9 system. The doubling-time of the AHR-KO clones of A549 and BEAS-2B was observed to be prolonged. The attenuation of proliferation potential was strongly associated with either the induction of p27Kip1 or the impairment in mitogenic signal transduction driven by the epidermal growth factor (EGF) and EGF receptor (EGFR). We found that the leucine-rich repeats and immunoglobulin-like domains 1 (LRIG1), a repressor of EGFR, was induced in the absence of AHR in vitro and in vivo. The LRIG1 tends to degrade via a proteasome dependent manner by interacting with AHR in wild-type cells. Either LRIG1 or a disintegrin and metalloprotease 17 (ADAM17) were accumulated in AHR-defective cells, consequently accelerating the degradation of EGFR, and attenuating the response to mitogenic stimulation. We also affirmed low AHR but high LRIG1 levels in lung tissues of chronic obstructive pulmonary disease (COPD) patients. This might partially elucidate the sluggish tissue repairment and developing inflammation in COPD patients.
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Affiliation(s)
- Han-Lin Hsu
- Division of Pulmonary Medicine, Department of Internal Medicine, Wan Fang Hospital, Taipei Medical University, Taipei 116, Taiwan;
- Pulmonary Research Center, Wan Fang Hospital, Taipei Medical University, Taipei 116, Taiwan
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei 110, Taiwan;
| | - Hong-Kai Chen
- School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei 110, Taiwan;
- Department of Physiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan;
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 110, Taiwan;
| | - Chi-Hao Tsai
- Department of Ophthalmology, University of North Carolina School of Medicine, Chapel Hill, NC 27517, USA;
| | - Po-Lin Liao
- Institute of Food Safety and Health Risk Assessment, School of Pharmaceutical Sciences, National Yang-Ming University, Taipei 112, Taiwan;
| | - Yen-Ju Chan
- Department of Physiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan;
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 110, Taiwan;
| | - Yu-Cheng Lee
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 110, Taiwan;
| | - Chen-Chen Lee
- Department of Microbiology and Immunology, School of Medicine, China Medicine University, Taichung 404, Taiwan;
| | - Ching-Hao Li
- Department of Physiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 110, Taiwan;
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 110, Taiwan;
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18
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Hsu HT, Wu CD, Chung MC, Shen TC, Lai TJ, Chen CY, Wang RY, Chung CJ. The effects of traffic-related air pollutants on chronic obstructive pulmonary disease in the community-based general population. Respir Res 2021; 22:217. [PMID: 34344356 PMCID: PMC8336021 DOI: 10.1186/s12931-021-01812-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 07/26/2021] [Indexed: 12/22/2022] Open
Abstract
Background Previous studies have shown inconsistent results regarding the impact of traffic pollution on the prevalence of chronic obstructive pulmonary disease (COPD). Therefore, using frequency matching and propensity scores, we explored the association between traffic pollution and COPD in a cohort of 8284 residents in a major agricultural county in Taiwan. Methods All subjects completed a structured questionnaire interview and health checkups. Subjects with COPD were identified using Taiwan National Health Insurance Research Databases. A hybrid kriging/LUR model was used to identify levels of traffic-related air pollutants (PM2.5 and O3). Multiple logistic regression models were used to calculate the prevalence ratios (PRs) of COPD and evaluate the role played by traffic-related indices between air pollutants and COPD. The distributed lag nonlinear model was applied in the analysis; we excluded current or ever smokers to perform the sensitivity analysis. Results Increased PRs of COPD per SD increment of PM2.5 were 1.10 (95% CI 1.05–1.15) and 1.25 (95% CI 1.13–1.40) in the population with age and sex matching as well as propensity-score matching, respectively. The results of the sensitivity analysis were similar between the single and two pollutant models. PM2.5 concentrations were significantly associated with traffic flow including sedans, buses, and trucks (p < 0.01). The higher road area and the higher PM2.5 concentrations near the subject’s residence correlated with a greater risk of developing COPD (p for interaction < 0.01). Conclusions Our results suggest that long-term exposure to traffic-related air pollution may be positively associated with the prevalence of COPD. Graphical abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12931-021-01812-x.
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Affiliation(s)
- Hui-Tsung Hsu
- Department of Public Health, College of Public Health, China Medical University, No. 100, Sec. 1, Jingmao Rd., Taichung, 406040, Taiwan
| | - Chih-Da Wu
- Department of Geomatics, National Cheng Kung University, Tainan, Taiwan.,National Institute of Environmental Health Sciences, National Health Research Institutes, Miaoli, Taiwan
| | - Mu-Chi Chung
- Division of Nephrology, Department of Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Te-Chun Shen
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Ting-Ju Lai
- Department of Public Health, College of Public Health, China Medical University, No. 100, Sec. 1, Jingmao Rd., Taichung, 406040, Taiwan
| | - Chiu-Ying Chen
- Department of Public Health, College of Public Health, China Medical University, No. 100, Sec. 1, Jingmao Rd., Taichung, 406040, Taiwan
| | - Ruey-Yun Wang
- Department of Public Health, College of Public Health, China Medical University, No. 100, Sec. 1, Jingmao Rd., Taichung, 406040, Taiwan
| | - Chi-Jung Chung
- Department of Public Health, College of Public Health, China Medical University, No. 100, Sec. 1, Jingmao Rd., Taichung, 406040, Taiwan. .,Department of Medical Research, China Medical University Hospital, Taichung, Taiwan.
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19
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Cigarette Smoke Specifically Affects Small Airway Epithelial Cell Populations and Triggers the Expansion of Inflammatory and Squamous Differentiation Associated Basal Cells. Int J Mol Sci 2021; 22:ijms22147646. [PMID: 34299265 PMCID: PMC8305830 DOI: 10.3390/ijms22147646] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 07/14/2021] [Accepted: 07/15/2021] [Indexed: 12/24/2022] Open
Abstract
Smoking is a major risk factor for chronic obstructive pulmonary disease (COPD) and causes remodeling of the small airways. However, the exact smoke-induced effects on the different types of small airway epithelial cells (SAECs) are poorly understood. Here, using air–liquid interface (ALI) cultures, single-cell RNA-sequencing reveals previously unrecognized transcriptional heterogeneity within the small airway epithelium and cell type-specific effects upon acute and chronic cigarette smoke exposure. Smoke triggers detoxification and inflammatory responses and aberrantly activates and alters basal cell differentiation. This results in an increase of inflammatory basal-to-secretory cell intermediates and, particularly after chronic smoke exposure, a massive expansion of a rare inflammatory and squamous metaplasia associated KRT6A+ basal cell state and an altered secretory cell landscape. ALI cultures originating from healthy non-smokers and COPD smokers show similar responses to cigarette smoke exposure, although an increased pro-inflammatory profile is conserved in the latter. Taken together, the in vitro models provide high-resolution insights into the smoke-induced remodeling of the small airways resembling the pathological processes in COPD airways. The data may also help to better understand other lung diseases including COVID-19, as the data reflect the smoke-dependent variable induction of SARS-CoV-2 entry factors across SAEC populations.
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20
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Yang DS, Glasser J, Lemme NJ, Quinn M, Daniels AH, Antoci V. Increased Medical and Implant-Related Complications in Total Hip Arthroplasty Patients With Underlying Chronic Obstructive Pulmonary Disease. J Arthroplasty 2021; 36:S277-S281.e2. [PMID: 33674163 DOI: 10.1016/j.arth.2021.02.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/30/2021] [Accepted: 02/04/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) has been associated with impaired bone metabolism. The purpose of this study is to investigate rates of readmission, respiratory complications, implant-related complications, and revision after total hip arthroplasty (THA) in patients with and without underlying COPD. METHODS The PearlDiver Mariners database was used to divide patients undergoing primary THA (CPT-27130) into two cohorts: 1) THA with COPD (including asthma) or 2) THA without COPD. The incidence of 30-day readmission, COPD exacerbation, pneumonia, other respiratory complications as well as dislocations, mechanical loosening, and joint prosthetic infection was calculated through logistic regression. The risk of THA revision was also assessed through Cox-proportional hazards regression. All regression controlled for age, gender, and medical comorbidities found to be associated with COPD. RESULTS Between 2010 and 2018, 97,784 THA patients with COPD and 338,243 THA patient without COPD were studied. THA patients with COPD had higher risk of 30-day readmission (aOR = 1.17, 95% CI 1.11-1.23, P < .0001). There was higher risk of 30-day pneumonia (aOR = 2.07, 95% CI 1.76-2.44, P < .0001). THA patients with COPD also faced higher risk of 30-day dislocations (aOR = 1.31, 95% CI 1.19-1.45, P < .0001), joint prosthetic infections (aOR = 1.25, 95% CI 1.14-1.37, P < .0001), and periprosthetic fracture (aOR = 1.19, 95% CI 1.07-1.32, P = .0015). Regarding revisions, 3.3% of THA patients with COPD underwent THA revision at 1 year, a higher risk than THA patients without COPD (aOR = 1.11, 95% CI 1.06-1.16, P < .0001). CONCLUSION Patients undergoing THA with underlying COPD face a higher rate of comorbidities, respiratory complications, implant complications, and revision surgeries, than patients without COPD. LEVEL OF EVIDENCE III.
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Affiliation(s)
- Daniel S Yang
- Department of Orthopaedic Surgery, Alpert Medical School of Brown University, Providence, RI
| | - Jillian Glasser
- Department of Orthopaedic Surgery, Alpert Medical School of Brown University, Providence, RI
| | - Nicholas J Lemme
- Department of Orthopaedic Surgery, Alpert Medical School of Brown University, Providence, RI
| | - Matthew Quinn
- Department of Orthopaedic Surgery, Alpert Medical School of Brown University, Providence, RI
| | - Alan H Daniels
- Department of Orthopaedic Surgery, Alpert Medical School of Brown University, Providence, RI
| | - Valentin Antoci
- Department of Orthopaedic Surgery, Alpert Medical School of Brown University, Providence, RI
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21
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Tam A, Leclair P, Li LV, Yang CX, Li X, Witzigmann D, Kulkarni JA, Hackett TL, Dorscheid DR, Singhera GK, Hogg JC, Cullis PR, Sin DD, Lim CJ. FAM13A as potential therapeutic target in modulating TGF-β-induced airway tissue remodeling in COPD. Am J Physiol Lung Cell Mol Physiol 2021; 321:L377-L391. [PMID: 34105356 DOI: 10.1152/ajplung.00477.2020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Genome-wide association studies have shown that a gene variant in the Family with sequence similarity 13, member A (FAM13A) is strongly associated with reduced lung function and the appearance of respiratory symptoms in patients with chronic obstructive pulmonary disease (COPD). A key player in smoking-induced tissue injury and airway remodeling is the transforming growth factor-β1 (TGF-β1). To determine the role of FAM13A in TGF-β1 signaling, FAM13A-/- airway epithelial cells were generated using CRISPR-Cas9, whereas overexpression of FAM13A was achieved using lipid nanoparticles. Wild-type (WT) and FAM13A-/- cells were treated with TGF-β1, followed by gene and/or protein expression analyses. FAM13A-/- cells augmented TGF-β1-induced increase in collagen type 1 (COL1A1), matrix metalloproteinase 2 (MMP2), expression compared with WT cells. This effect was mediated by an increase in β-catenin (CTNNB1) expression in FAM13A-/- cells compared with WT cells after TGF-β1 treatment. FAM13A overexpression was partially protective from TGF-β1-induced COL1A1 expression. Finally, we showed that airway epithelial-specific FAM13A protein expression is significantly increased in patients with severe COPD compared with control nonsmokers, and negatively correlated with lung function. In contrast, β-catenin (CTNNB1), which has previously been linked to be regulated by FAM13A, is decreased in the airway epithelium of smokers with COPD compared with non-COPD subjects. Together, our data showed that FAM13A may be protective from TGF-β1-induced fibrotic response in the airway epithelium via sequestering CTNNB1 from its regulation on downstream targets. Therapeutic increase in FAM13A expression in the airway epithelium of smokers at risk for COPD, and those with mild COPD, may reduce the extent of airway tissue remodeling.
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Affiliation(s)
- Anthony Tam
- Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada.,Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Pascal Leclair
- Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
| | - Ling Vicky Li
- Department of Pathology, University of British Columbia, Vancouver, British Columbia, Canada
| | - Chen X Yang
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Xuan Li
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Dominik Witzigmann
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia, Canada.,NanoMedicines Innovation Network, Vancouver, British Columbia, Canada
| | - Jayesh A Kulkarni
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia, Canada.,NanoMedicines Innovation Network, Vancouver, British Columbia, Canada
| | - Tillie-Louise Hackett
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Delbert R Dorscheid
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Gurpreet K Singhera
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - James C Hogg
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Pieter R Cullis
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, British Columbia, Canada.,NanoMedicines Innovation Network, Vancouver, British Columbia, Canada
| | - Don D Sin
- Center for Heart Lung Innovation, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada
| | - Chinten James Lim
- Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada
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22
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Hillas J, Evans DJ, Ang S, Iosifidis T, Garratt LW, Hemy N, Kicic-Starcevich E, Simpson SJ, Kicic A. Nasal airway epithelial repair after very preterm birth. ERJ Open Res 2021; 7:00913-2020. [PMID: 34109241 PMCID: PMC8181665 DOI: 10.1183/23120541.00913-2020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 03/27/2021] [Indexed: 12/03/2022] Open
Abstract
Preterm birth rates are increasing and now account for >11% of global births. Simultaneously, advances in neonatal care have led to increased survival of lower gestation neonates. A complication of preterm birth, and the biggest determinant of survival, is lung and airway immaturity. After preterm birth, the immature respiratory system is exposed to pro-inflammatory stimuli like injury from resuscitation and oxygen toxicity. The airway epithelium, the physical barrier between insults and the airways, is particularly vulnerable to injury. If epithelial barrier integrity cannot be restored rapidly following damage (i.e. via aberrant repair), the respiratory system is left unprotected, increasing the risk of infection, inflammation and tissue damage. Altered epithelial repair may play an important role in the ongoing respiratory health problems experienced by preterm survivors, including severe respiratory infections throughout early life, or low and declining lung function [1–3]. Deficits are further exacerbated in those with bronchopulmonary dysplasia (BPD). The mechanisms contributing to ongoing respiratory problems are currently unknown, although probably begin in early life. Until now, understanding the role of the preterm epithelial barrier has been limited by a lack of appropriate cellular models. Our study aimed to assess the reparative capacity of the airway epithelium in survivors of preterm birth and its association with early life outcomes, with the hypothesis that preterm airway epithelial cells have an abnormal repair mechanism. Nasal epithelialcells from very preterm infants have a functional defect in their ability to repair beyond the first year of life, and failed repair may be associated with antenatal steroid exposurehttps://bit.ly/39OFJs7
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Affiliation(s)
- Jessica Hillas
- Wal-yan Respiratory Research Centre, Telethon Kids Institute, Nedlands, Australia
| | - Denby J Evans
- Wal-yan Respiratory Research Centre, Telethon Kids Institute, Nedlands, Australia.,Occupation and Environment, School of Public Health, Curtin University, Bentley, Australia
| | - Sherlynn Ang
- Wal-yan Respiratory Research Centre, Telethon Kids Institute, Nedlands, Australia
| | - Thomas Iosifidis
- Wal-yan Respiratory Research Centre, Telethon Kids Institute, Nedlands, Australia.,Occupation and Environment, School of Public Health, Curtin University, Bentley, Australia.,Centre for Cell Therapy and Regenerative Medicine, University of Western Australia, Nedlands, Australia
| | - Luke W Garratt
- Wal-yan Respiratory Research Centre, Telethon Kids Institute, Nedlands, Australia
| | - Naomi Hemy
- Wal-yan Respiratory Research Centre, Telethon Kids Institute, Nedlands, Australia
| | | | - Shannon J Simpson
- Wal-yan Respiratory Research Centre, Telethon Kids Institute, Nedlands, Australia.,School of Physiotherapy and Exercise Science, Curtin University, Bentley, Australia.,These authors contributed equally
| | - Anthony Kicic
- Wal-yan Respiratory Research Centre, Telethon Kids Institute, Nedlands, Australia.,Occupation and Environment, School of Public Health, Curtin University, Bentley, Australia.,Centre for Cell Therapy and Regenerative Medicine, University of Western Australia, Nedlands, Australia.,Dept of Respiratory and Sleep Medicine, Perth Children's Hospital, Nedlands, Australia.,These authors contributed equally
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23
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Orr JC, Hynds RE. Stem Cell-derived Respiratory Epithelial Cell Cultures as Human Disease Models. Am J Respir Cell Mol Biol 2021; 64:657-668. [PMID: 33428856 PMCID: PMC8456877 DOI: 10.1165/rcmb.2020-0440tr] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 01/11/2021] [Indexed: 12/11/2022] Open
Abstract
Advances in stem cell biology and the understanding of factors that determine lung stem cell self-renewal have enabled long-term in vitro culture of human lung cells derived from airway basal and alveolar type II cells. Improved capability to expand and study primary cells long term, including in clonal cultures that are recently derived from a single cell, will allow experiments that address fundamental questions about lung homeostasis and repair, as well as translational questions in asthma, chronic obstructive pulmonary disease, pulmonary fibrosis, and lung cancer research. Here, we provide a brief history of postnatal lung epithelial cell culture and describe recent methodological advances. We further discuss the applications of primary cultures in defining "normal" epithelium, in modeling lung disease, and in future cell therapies.
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Affiliation(s)
- Jessica C Orr
- Lungs for Living Research Centre, UCL Respiratory, Division of Medicine, and
| | - Robert E Hynds
- UCL Cancer Institute, University College London, London, United Kingdom
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24
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Cane J, Tregidgo L, Thulborn S, Finch D, Bafadhel M. Antimicrobial Peptides SLPI and Beta Defensin-1 in Sputum are Negatively Correlated with FEV 1. Int J Chron Obstruct Pulmon Dis 2021; 16:1437-1447. [PMID: 34093009 PMCID: PMC8170372 DOI: 10.2147/copd.s301622] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 04/19/2021] [Indexed: 11/23/2022] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) and asthma have heterogeneous inflammation with inhaled corticosteroids (ICS) as a mainstay of treatment. There is increased prevalence of non-typeable Haemophilus influenzae (NTHi) persistence in airways of patients with neutrophilic airway inflammation, potentially due to suppressed host defence after corticosteroid treatment. Antimicrobial peptides (AMPs) have antimicrobial activity against pathogens and immunomodulatory effects. We investigated whether AMPs associate with NTHi presence in COPD and asthma, and whether ICS alter this. Methods Secretory leukocyte protease inhibitor (SLPI), osteopontin, elafin and beta defensin-1 were measured in sputum supernatants from healthy donors (n=9), asthmatics (n=21) and patients with COPD (n=14). Elafin and beta defensin-1 were measured in a primary human bronchial epithelial cells (HBECs) from healthy and COPD donors infected with NTHi and pre-treated with fluticasone propionate (FP) and budesonide (BUD). Internalised NTHi was quantified by qPCR. Results Sputum SLPI was negatively correlated with FEV1 (p<0.001, r=-0.610), FEV1% predicted (p<0.001, r=-0.583) and FEV1/FVC (p=0.001, r=-0.528). Sputum beta defensin-1 was negatively associated with FEV1 (p<0.001***r=-0.594). SLPI and beta defensin-1 levels in sputum were higher in the healthy controls and COPD group compared to the asthma group (p=0.001 and p=0.014) and (p<0.001 and p=0.007, respectively). ICS use was associated with higher sputum osteopontin compared to those with no ICS use. NTHi infection of COPD HBECs produced higher levels of beta defensin-1 compared to healthy donors (mean (SD) release: 45.1pg/mL (7.3) vs 21.2pg/mL (7.3) respectively, p=0.014). Elafin release from HBECs from COPD donors did not change following NTHi infection; however, elafin from healthy donors was significantly reduced (%mean reduction: 23.7%, 95% confidence intervals (CI) of reduction: 5.3-38.4%, p<0.01). Conclusion Sputum SLPI and beta defensin-1 may be markers to identify those patients with declining lung function. ICS use was associated with higher sputum osteopontin compared to those with no ICS use.
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Affiliation(s)
- Jennifer Cane
- Respiratory Medicine Unit, Nuffield Department of Medicine, University of Oxford, Oxford, UK.,Oxford NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Laura Tregidgo
- Respiratory Medicine Unit, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Samantha Thulborn
- Respiratory Medicine Unit, Nuffield Department of Medicine, University of Oxford, Oxford, UK.,Oxford NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
| | | | - Mona Bafadhel
- Respiratory Medicine Unit, Nuffield Department of Medicine, University of Oxford, Oxford, UK.,Oxford NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
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25
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Linfield DT, Gao N, Raduka A, Harford TJ, Piedimonte G, Rezaee F. RSV attenuates epithelial cell restitution by inhibiting actin cytoskeleton-dependent cell migration. Am J Physiol Lung Cell Mol Physiol 2021; 321:L189-L203. [PMID: 34010080 DOI: 10.1152/ajplung.00118.2021] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
The airway epithelium's ability to repair itself after injury, known as epithelial restitution, is an essential mechanism enabling the respiratory tract's normal functions. Respiratory Syncytial Virus (RSV) is the leading cause of lower respiratory tract infections worldwide. We sought to determine whether RSV delays the airway epithelium wound repair process both in vitro and in vivo. We found that RSV infection attenuated epithelial cell migration, a step in wound repair, promoted stress fiber formation, and mediated assembly of large focal adhesions (FA). Inhibition of Rho kinase (ROCK), a master regulator of actin function, reversed these effects. There was increased RhoA and phospho-myosin light chain (pMLC2) following RSV infection. In vivo, mice were intraperitoneally inoculated with naphthalene to induce lung injury, followed by RSV infection. RSV infection delayed re-epithelialization. There were increased concentrations of pMLC2 in day 7 naphthalene plus RSV animals which normalized by day 14. This study suggests a key mechanism by which RSV infection delays wound healing.
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Affiliation(s)
| | - Nannan Gao
- Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, United States
| | - Andjela Raduka
- Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, United States
| | - Terri J Harford
- Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, United States
| | | | - Fariba Rezaee
- Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic Foundation, United States.,Center for Pediatric Pulmonology, Cleveland Clinic Children's, Cleveland, Ohio, United States
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26
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Han L, Luo H, Huang W, Zhang J, Wu D, Wang J, Pi J, Liu C, Qu X, Liu H, Qin X, Xiang Y. Modulation of the EMT/MET Process by E-Cadherin in Airway Epithelia Stress Injury. Biomolecules 2021; 11:biom11050669. [PMID: 33946207 PMCID: PMC8144967 DOI: 10.3390/biom11050669] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/26/2021] [Accepted: 04/28/2021] [Indexed: 12/14/2022] Open
Abstract
Persistent injury and the following improper repair in bronchial epithelial cells are involved in the pathogenesis of airway inflammation and airway remodeling of asthma. E-cadherin (ECAD) has been shown to be involved in airway epithelium injury repair, but its underlying mechanisms to this process is poorly understood. Here, we describe a previously undetected function of ECAD in regulating the balance of EMT and MET during injury repair. Injury in mice and human bronchial epithelial cells (HBECs) was induced by successive ozone stress for 4 days at 30 min per day. ECAD overexpression in HBECs was induced by stable transfection. EMT features, transforming growth factor beta1 (TGF-β1) secretion, transcriptional repressor Snail expression, and β-catenin expression were assayed. Ozone exposure and then removal successfully induced airway epithelium injury repair during which EMT and MET occurred. The levels of TGF-β1 secretion and Snail expression increased in EMT process and decreased in MET process. While ECAD overexpression repressed EMT features; enhanced MET features; and decreased TGF-β1 secretion, Snail mRNA level, and β-catenin protein expression. Moreover, activating β-catenin blocked the effects of ECAD on EMT, MET and TGF-β1 signaling. Our results demonstrate that ECAD regulates the balance between EMT and MET, by preventing β-catenin to inhibit TGFβ1 and its target genes, and finally facilitates airway epithelia repair.
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Affiliation(s)
- Li Han
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410007, China; (L.H.); (W.H.); (J.Z.); (D.W.); (J.W.); (J.P.); (C.L.); (X.Q.); (H.L.)
- Department of Physiology, School of Basic Medicine, Changsha Medical University, Changsha 410219, China;
| | - Huaiqing Luo
- Department of Physiology, School of Basic Medicine, Changsha Medical University, Changsha 410219, China;
| | - Wenjie Huang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410007, China; (L.H.); (W.H.); (J.Z.); (D.W.); (J.W.); (J.P.); (C.L.); (X.Q.); (H.L.)
| | - Jiang Zhang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410007, China; (L.H.); (W.H.); (J.Z.); (D.W.); (J.W.); (J.P.); (C.L.); (X.Q.); (H.L.)
| | - Di Wu
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410007, China; (L.H.); (W.H.); (J.Z.); (D.W.); (J.W.); (J.P.); (C.L.); (X.Q.); (H.L.)
| | - Jinmei Wang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410007, China; (L.H.); (W.H.); (J.Z.); (D.W.); (J.W.); (J.P.); (C.L.); (X.Q.); (H.L.)
| | - Jiao Pi
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410007, China; (L.H.); (W.H.); (J.Z.); (D.W.); (J.W.); (J.P.); (C.L.); (X.Q.); (H.L.)
| | - Chi Liu
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410007, China; (L.H.); (W.H.); (J.Z.); (D.W.); (J.W.); (J.P.); (C.L.); (X.Q.); (H.L.)
| | - Xiangping Qu
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410007, China; (L.H.); (W.H.); (J.Z.); (D.W.); (J.W.); (J.P.); (C.L.); (X.Q.); (H.L.)
| | - Huijun Liu
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410007, China; (L.H.); (W.H.); (J.Z.); (D.W.); (J.W.); (J.P.); (C.L.); (X.Q.); (H.L.)
| | - Xiaoqun Qin
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410007, China; (L.H.); (W.H.); (J.Z.); (D.W.); (J.W.); (J.P.); (C.L.); (X.Q.); (H.L.)
- Correspondence: (X.Q.); (Y.X.)
| | - Yang Xiang
- Department of Physiology, School of Basic Medical Science, Central South University, Changsha 410007, China; (L.H.); (W.H.); (J.Z.); (D.W.); (J.W.); (J.P.); (C.L.); (X.Q.); (H.L.)
- Correspondence: (X.Q.); (Y.X.)
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27
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Hedström U, Öberg L, Vaarala O, Dellgren G, Silverborn M, Bjermer L, Westergren-Thorsson G, Hallgren O, Zhou X. Impaired Differentiation of Chronic Obstructive Pulmonary Disease Bronchial Epithelial Cells Grown on Bronchial Scaffolds. Am J Respir Cell Mol Biol 2021; 65:201-213. [PMID: 33882260 PMCID: PMC8399573 DOI: 10.1165/rcmb.2019-0395oc] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is characterized by airway inflammation, small airway remodeling, and emphysema. Airway remodeling in patients with COPD involves both the airway epithelium and the subepithelial extracellular matrix (ECM). However, it is currently unknown how epithelial remodeling in COPD airways depends on the relative influence from inherent defects in the epithelial cells and alterations in the ECM. To address this, we analyzed global gene expression in COPD human bronchial epithelial cells (HBEC) and normal HBEC after repopulation on decellularized bronchial scaffolds derived from patients with COPD or donors without COPD. COPD HBEC grown on bronchial scaffolds showed an impaired ability to initiate ciliated-cell differentiation, which was evident on all scaffolds regardless of their origin. In addition, although normal HBEC were less affected by the disease state of the bronchial scaffolds, COPD HBEC showed a gene expression pattern indicating increased proliferation and a retained basal-cell phenotype when grown on COPD bronchial scaffolds compared with normal bronchial scaffolds. By using mass spectrometry, we identified 13 matrisome proteins as being differentially abundant between COPD bronchial scaffolds and normal bronchial scaffolds. These observations are consistent with COPD pathology and suggest that both epithelial cells and the ECM contribute to epithelial-cell remodeling in COPD airways.
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Affiliation(s)
- Ulf Hedström
- Department of Bioscience COPD/IPF, and.,Division of Lung Biology, Department of Experimental Medical Science, and
| | - Lisa Öberg
- Department of Translational Science and Experimental Medicine, Research and Early Development, Respiratory and Immunology, BioPharmaceuticals Research and Development, AstraZeneca, Gothenburg, Sweden
| | | | - Göran Dellgren
- Transplant Institute and.,Department of Cardiothoracic Surgery, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Martin Silverborn
- Transplant Institute and.,Department of Cardiothoracic Surgery, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Leif Bjermer
- Division of Respiratory Medicine and Allergology, Department of Clinical Sciences, Lund University, Lund, Sweden; and
| | | | - Oskar Hallgren
- Division of Lung Biology, Department of Experimental Medical Science, and.,Division of Respiratory Medicine and Allergology, Department of Clinical Sciences, Lund University, Lund, Sweden; and
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28
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Rønnow SR, Langholm LL, Karsdal MA, Manon-Jensen T, Tal-Singer R, Miller BE, Vestbo J, Leeming DJ, Sand JMB. Endotrophin, an extracellular hormone, in combination with neoepitope markers of von Willebrand factor improves prediction of mortality in the ECLIPSE COPD cohort. Respir Res 2020; 21:202. [PMID: 32731895 PMCID: PMC7393910 DOI: 10.1186/s12931-020-01461-6] [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: 05/04/2020] [Accepted: 07/20/2020] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Lung epithelial damage, activation of the wound healing cascade, and remodeling of the extracellular matrix (ECM) play a major role in chronic obstructive pulmonary disease (COPD). The pro-peptide of type VI collagen has been identified as the hormone endotrophin. Endotrophin has been shown to promote fibrosis and inflammation, whereas von Willebrand factor (VWF) is a crucial part of wound healing initiation. Here, we assessed the released and activated form of VWF and endotrophin, the pro-peptide of type VI collagen, serologically to investigate their association with mortality in COPD subjects alone or in combination. METHODS One thousand COPD patients with 3 years of clinical follow-up from the Evaluation of COPD Longitudinally to Identify Predictive Surrogate Endpoints (ECLIPSE) cohort were included. Serum and heparin plasma were collected at 6 months and 1 year, respectively. Competitive ELISA utilizing specific monoclonal antibodies assessed endotrophin/type VI collagen formation (PRO-C6), VWF release (VWF-N), and activated VWF (VWF-A). Biomarker levels were dichotomized into high and low as defined by receiver operating characteristic (ROC) curves based on mortality data. Kaplan-Meier analysis was used to determine hazard ratios for all-cause mortality for biomarkers alone or in combination. RESULTS High levels of PRO-C6, VWF-A, and VWF-N have previously been shown to be individually associated with a higher risk of mortality with hazard ratios of 5.6 (95% CI 2.4-13.1), 3.7 (1.8-7.6), and 4.6 (2.2-9.6), respectively. The hazard ratios increased when combining the biomarkers: PRO-C6*VWFA 8.8 (2.8-27.7) and PRO-C6*VWFN 13.3 (5.6-32.0). Notably, PRO-C6*VWF-N increased more than 2-fold. CONCLUSION We demonstrated that by combining two pathological relevant aspects of COPD, tissue remodeling, and wound healing, the predictive value of biomarkers for mortality increased notably.
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Affiliation(s)
| | | | | | | | | | - Bruce E Miller
- R&D Respiratory Therapy Area Unit, GlaxoSmithKline, King Of Prussia, PA, USA
| | - Jørgen Vestbo
- Division of Infection, Immunity and Respiratory Medicine, University of Manchester, Manchester, UK
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29
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Intermittent exposure to whole cigarette smoke alters the differentiation of primary small airway epithelial cells in the air-liquid interface culture. Sci Rep 2020; 10:6257. [PMID: 32277131 PMCID: PMC7148343 DOI: 10.1038/s41598-020-63345-5] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 03/30/2020] [Indexed: 12/12/2022] Open
Abstract
Cigarette smoke (CS) is the leading risk factor to develop COPD. Therefore, the pathologic effects of whole CS on the differentiation of primary small airway epithelial cells (SAEC) were investigated, using cells from three healthy donors and three COPD patients, cultured under ALI (air-liquid interface) conditions. The analysis of the epithelial physiology demonstrated that CS impaired barrier formation and reduced cilia beat activity. Although, COPD-derived ALI cultures preserved some features known from COPD patients, CS-induced effects were similarly pronounced in ALI cultures from patients compared to healthy controls. RNA sequencing analyses revealed the deregulation of marker genes for basal and secretory cells upon CS exposure. The comparison between gene signatures obtained from the in vitro model (CS vs. air) with a published data set from human epithelial brushes (smoker vs. non-smoker) revealed a high degree of similarity between deregulated genes and pathways induced by CS. Taken together, whole cigarette smoke alters the differentiation of small airway basal cells in vitro. The established model showed a good translatability to the situation in vivo. Thus, the model can help to identify and test novel therapeutic approaches to restore the impaired epithelial repair mechanisms in COPD, which is still a high medical need.
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30
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Matsumura K, Kurachi T, Ishikawa S, Kitamura N, Ito S. Regional differences in airway susceptibility to cigarette smoke: An investigational case study of epithelial function and gene alterations in in vitroairway epithelial three-dimensional cultures. TOXICOLOGY RESEARCH AND APPLICATION 2020. [DOI: 10.1177/2397847320911629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Cigarette smoke (CS) is a risk factor contributing to lung remodeling in chronic obstructive pulmonary disease (COPD). COPD is a heterogeneous disease because many factors contribute in varying degrees to the resulting airflow limitations in different regions of the respiratory tract. This heterogeneity makes it difficult to understand mechanisms behind COPD development. In the current study, we investigate the regional heterogeneity of the acute response to CS exposure between large and small airways using in vitro three-dimensional (3D) cultures. We used two in vitro 3D human airway epithelial tissues from large and small airway epithelial cells, namely, MucilAir™ and SmallAir™, respectively, which were derived from the same single healthy donor to eliminate donor differences. Impaired epithelial functions and altered gene expression were observed in SmallAir™ exposed to CS at the lower dose and earlier period following the last exposure compared with MucilAir™. In addition, severe damage in SmallAir™ was retained for a longer duration than MucilAir™. Transcriptomic analysis showed that although well-known CS-inducible biological processes (i.e. inflammation, cell fate, and metabolism) were disturbed with consistent activity in both tissues exposed to CS, we elucidated distinctively regulated genes in only MucilAir™ and SmallAir™, which were mostly related to catalytic and transporter activities. Our findings suggest that CS exposure elicited epithelial dysfunction through almost the same perturbed pathways in both airways; however, they expressed different genes related to metabolic and transporter activities in response to CS exposure which may contribute to cytotoxic heterogeneity to the response to CS in the respiratory tract.
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Affiliation(s)
- Kazushi Matsumura
- Scientific Product Assessment Center, R&D Group, Japan Tobacco Inc., Yokohama, Kanagawa, Japan
| | - Takeshi Kurachi
- Scientific Product Assessment Center, R&D Group, Japan Tobacco Inc., Yokohama, Kanagawa, Japan
| | - Shinkichi Ishikawa
- Scientific Product Assessment Center, R&D Group, Japan Tobacco Inc., Yokohama, Kanagawa, Japan
| | - Nobumasa Kitamura
- Scientific Product Assessment Center, R&D Group, Japan Tobacco Inc., Yokohama, Kanagawa, Japan
| | - Shigeaki Ito
- Scientific Product Assessment Center, R&D Group, Japan Tobacco Inc., Yokohama, Kanagawa, Japan
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31
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Langholm LL, Rønnow SR, Sand JMB, Leeming DJ, Tal-Singer R, Miller BE, Vestbo J, Karsdal MA, Manon-Jensen T. Increased von Willebrand Factor Processing in COPD, Reflecting Lung Epithelium Damage, Is Associated with Emphysema, Exacerbations and Elevated Mortality Risk. Int J Chron Obstruct Pulmon Dis 2020; 15:543-552. [PMID: 32210548 PMCID: PMC7069584 DOI: 10.2147/copd.s235673] [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: 10/22/2019] [Accepted: 02/21/2020] [Indexed: 12/26/2022] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) is characterized by chronic inflammation and lung tissue deterioration. Given the high vascularity of the lung, von Willebrand factor (VWF), a central component of wound healing initiation, has previously been assessed in COPD. VWF processing, which is crucial for regulating the primary response of wound healing, has not been assessed directly. Therefore, this study aimed to characterize wound healing initiation in COPD using dynamic VWF-processing biomarkers and to evaluate how these relate to disease severity and mortality. Methods A cross-sectional analysis of plasma samples from the ECLIPSE study collected at year 1 from moderate to very severe COPD subjects (GOLD 2-4, n=984) was performed. We applied competitive neo-epitope ELISAs specifically targeting the formation of and ADAMTS13-processed form of VWF, VWF-N and VWF-A, respectively. Results VWF-A and VWF-N were significantly increased (VWF-N, p=0.01; VWF-A, p=0.0001) in plasma of symptomatic (mMRC score ≥2) compared to asymptomatic/mild symptomatic COPD subjects. Increased VWF-N and VWF-A levels were specifically associated with emphysema (VWF-N, p<0.0001) or prior exacerbations (VWF-A, p=0.01). When dichotomized, high levels of both biomarkers were associated with increased risk of all-cause mortality (VWF-N, HR 3.5; VWF-A, HR 2.64). Conclusion We demonstrate that changes in VWF processing were related to different pathophysiological aspects of COPD. VWF-N relates to the chronic condition of emphysema, while VWF-A was associated with the more acute events of exacerbations. This study indicates that VWF-A and VWF-N may be relevant markers for characterization of disease phenotype and are associated with mortality in COPD. Study Identifier NCT00292552; GSK study code SCO104960.
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Affiliation(s)
- Lasse L Langholm
- Nordic Bioscience A/S, Herlev, Denmark.,University of Copenhagen, Faculty of Health and Medical Sciences, Department of Biomedical Sciences, Copenhagen, Denmark
| | - Sarah Rank Rønnow
- Nordic Bioscience A/S, Herlev, Denmark.,University of Southern Denmark, The Faculty of Health Science, Odense, Denmark
| | | | | | - Ruth Tal-Singer
- Respiratory Medical Innovation, Value Evidence & Outcomes, GSK R&D, Collegeville, PA, USA
| | - Bruce E Miller
- Respiratory Medical Innovation, Value Evidence & Outcomes, GSK R&D, Collegeville, PA, USA
| | - Jørgen Vestbo
- Division of Infection, Immunity and Respiratory Medicine, University of Manchester, and Manchester University NHS Foundation Trust, Manchester, UK
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32
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Mamber SW, Gurel V, Lins J, Ferri F, Beseme S, McMichael J. Effects of cannabis oil extract on immune response gene expression in human small airway epithelial cells (HSAEpC): implications for chronic obstructive pulmonary disease (COPD). J Cannabis Res 2020; 2:5. [PMID: 33526116 PMCID: PMC7819312 DOI: 10.1186/s42238-019-0014-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 12/29/2019] [Indexed: 12/29/2022] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) is commonly associated with both a pro-inflammatory and a T-helper 1 (Th1) immune response. It was hypothesized that cannabis oil extract can alleviate COPD symptoms by eliciting an anti-inflammatory Th2 immune response. Accordingly, the effects of cannabis oil extract on the expression of 84 Th2 and related immune response genes in human small airways epithelial cells (HSAEpC) were investigated. Methods HSAEpC from a single donor were treated with three dilutions of a standardized cannabis oil extract (1:400, 1:800 and 1:1600) along with a solvent control (0.25% [2.5 ul/ml] ethanol) for 24 h. There were four replicates per treatment dilution, and six for the control. RNA isolated from cells were employed in pathway-focused quantitative polymerase chain reaction (qPCR) microarray assays. Results The extract induced significant (P < 0.05) changes in expression of 37 tested genes. Six genes (CSF2, IL1RL1, IL4, IL13RA2, IL17A and PPARG) were up-regulated at all three dilutions. Another two (CCL22 and TSLP) were up-regulated while six (CLCA1, CMA1, EPX, LTB4R, MAF and PMCH) were down-regulated at the 1:400 and 1:800 dilutions. The relationship of differentially-expressed genes of interest to biologic pathways was explored using the Database for Annotation, Visualization and Integrated Discovery (DAVID). Conclusions This exploratory investigation indicates that cannabis oil extract may affect expression of specific airway epithelial cell genes that could modulate pro-inflammatory or Th1 processes in COPD. These results provide a basis for further investigations and have prompted in vivo studies of the effects of cannabis oil extract on pulmonary function. Trial registration NONE (all in vitro experiments).
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Affiliation(s)
- Stephen W Mamber
- Beech Tree Labs Inc., 1 Virginia Ave, Suite 103, Providence, RI, 02905, USA.,The Institute for Therapeutic Discovery, Delanson, NY, 12053, USA
| | - Volkan Gurel
- Beech Tree Labs Inc., 1 Virginia Ave, Suite 103, Providence, RI, 02905, USA
| | - Jeremy Lins
- Beech Tree Labs Inc., 1 Virginia Ave, Suite 103, Providence, RI, 02905, USA
| | - Fred Ferri
- NCM Biotechnology, Newport, RI, 02840, USA
| | - Sarah Beseme
- Beech Tree Labs Inc., 1 Virginia Ave, Suite 103, Providence, RI, 02905, USA.
| | - John McMichael
- Beech Tree Labs Inc., 1 Virginia Ave, Suite 103, Providence, RI, 02905, USA.,The Institute for Therapeutic Discovery, Delanson, NY, 12053, USA
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33
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Bu T, Wang LF, Yin YQ. How Do Innate Immune Cells Contribute to Airway Remodeling in COPD Progression? Int J Chron Obstruct Pulmon Dis 2020; 15:107-116. [PMID: 32021149 PMCID: PMC6966950 DOI: 10.2147/copd.s235054] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Accepted: 12/19/2019] [Indexed: 12/12/2022] Open
Abstract
Recently, the therapeutic potential of immune-modulation during the progression of chronic obstructive pulmonary disease (COPD) has been attracting increasing interest. However, chronic inflammatory response has been over-simplified in descriptions of the mechanism of COPD progression. As a form of first-line airway defense, epithelial cells exhibit phenotypic alteration, and participate in epithelial layer disorganization, mucus hypersecretion, and extracellular matrix deposition. Dendritic cells (DCs) exhibit attenuated antigen-presenting capacity in patients with advanced COPD. Immature DCs migrate into small airways, where they promote a pro-inflammatory microenvironment and bacterial colonization. In response to damage-associated molecular patterns (DAMPs) in lung tissue affected by COPD, neutrophils are excessively recruited and activated, where they promote a proteolytic microenvironment and fibrotic repair in small airways. Macrophages exhibit decreased phagocytosis in the large airways, while they demonstrate high pro-inflammatory potential in the small airways, and mediate alveolar destruction and chronic airway inflammation. Natural killer T (NKT) cells, eosinophils, and mast cells also play supplementary roles in COPD progression; however, their cellular activities are not yet entirely clear. Overall, during COPD progression, “exhausted” innate immune responses can be observed in the large airways. On the other hand, the innate immune response is enhanced in the small airways. Approaches that inhibit the inflammatory cascade, chemotaxis, or the activation of inflammatory cells could possibly delay the progression of airway remodeling in COPD, and may thus have potential clinical significance.
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Affiliation(s)
- Tegeleqi Bu
- Department of Anesthesiology, China-Japan Friendship Hospital, Beijing, People's Republic of China
| | - Li Fang Wang
- Department of Anesthesiology, China-Japan Friendship Hospital, Beijing, People's Republic of China
| | - Yi Qing Yin
- Department of Anesthesiology, China-Japan Friendship Hospital, Beijing, People's Republic of China
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34
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Santiago-Ruiz L, Buendía-Roldán I, Pérez-Rubio G, Ambrocio-Ortiz E, Mejía M, Montaño M, Falfán-Valencia R. MMP2 Polymorphism Affects Plasma Matrix Metalloproteinase (MMP)-2 Levels, and Correlates with the Decline in Lung Function in Hypersensitivity Pneumonitis Positive to Autoantibodies Patients. Biomolecules 2019; 9:biom9100574. [PMID: 31590404 PMCID: PMC6843910 DOI: 10.3390/biom9100574] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 09/25/2019] [Accepted: 09/26/2019] [Indexed: 01/01/2023] Open
Abstract
Among hypersensitivity pneumonitis (HP) patients have been identified who develop autoantibodies with and without clinical manifestations of autoimmune disease. Genetic factors involved in this process and the effect of these autoantibodies on the clinical phenotype are unknown. Matrix metalloproteinases (MMPs) have an important role in architecture and pulmonary remodeling. The aim of our study was to identify polymorphisms in the MMP1, MMP2, MMP9 and MMP12 genes associated with susceptibility to HP with the presence of autoantibodies (HPAbs+). Using the dominant model of genetic association, comparisons were made between three groups. For rs7125062 in MMP1 (CC vs. CT+TT), we found an association when comparing groups of patients with healthy controls: HPAbs+ vs. HC (p < 0.001, OR = 10.62, CI 95% = 4.34–25.96); HP vs. HC (p < 0.001, OR = 7.85, 95% CI 95% = 4.54–13.57). This rs11646643 in MMP2 shows a difference in the HPAbs+ group by the dominant genetic model GG vs. GA+AA, (p = 0.001, OR = 8.11, CI 95% = 1.83–35.84). In the linear regression analysis, rs11646643 was associated with a difference in basal forced vital capacity (FVC)/12 months (p = 0.013, β = 0.228, 95% CI95% = 1.97–16.72). We identified single-nucleotide polymorphisms (SNPs) associated with the risk of developing HP, and with the evolution towards the phenotype with the presence of autoantibodies. Also, to the decrease in plasma MMP-2 levels.
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Affiliation(s)
- Luis Santiago-Ruiz
- Interstitial Lung Disease and Rheumatology Unit, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas. Mexico City 14080, Mexico.
| | - Ivette Buendía-Roldán
- Translational Research Laboratory on Aging and Pulmonary Fibrosis, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas. Mexico City 14080, Mexico.
| | - Gloria Pérez-Rubio
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas. Mexico City 14080, Mexico.
| | - Enrique Ambrocio-Ortiz
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas. Mexico City 14080, Mexico.
| | - Mayra Mejía
- Interstitial Lung Disease and Rheumatology Unit, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas. Mexico City 14080, Mexico.
| | - Martha Montaño
- Department of Research in Pulmonary Fibrosis, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas. Mexico City 14080, Mexico.
| | - Ramcés Falfán-Valencia
- HLA Laboratory, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas. Mexico City 14080, Mexico.
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35
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Mathyssen C, Serré J, Sacreas A, Everaerts S, Maes K, Verleden S, Verlinden L, Verstuyf A, Pilette C, Gayan-Ramirez G, Vanaudenaerde B, Janssens W. Vitamin D Modulates the Response of Bronchial Epithelial Cells Exposed to Cigarette Smoke Extract. Nutrients 2019; 11:E2138. [PMID: 31500220 PMCID: PMC6770037 DOI: 10.3390/nu11092138] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 08/27/2019] [Accepted: 09/03/2019] [Indexed: 12/22/2022] Open
Abstract
In chronic obstructive pulmonary disease (COPD), the bronchial epithelium is the first immune barrier that is triggered by cigarette smoke. Although vitamin D (vitD) has proven anti-inflammatory and antimicrobial effects in alveolar macrophages, little is known about the direct role of vitD on cigarette smoke-exposed bronchial epithelial cells. We examined the effects of vitD on a human bronchial epithelial cell line (16HBE) and on air-liquid culture of primary bronchial epithelial cells (PBEC) of COPD patients and controls exposed for 24 h to cigarette smoke extract (CSE). VitD decreased CSE-induced IL-8 secretion by 16HBE cells, but not by PBEC. VitD significantly increased the expression of the antimicrobial peptide cathelicidin in 16HBE and PBEC of both COPD subjects and controls. VitD did not affect epithelial to mesenchymal transition or epithelial MMP-9 expression and was not able to restore impaired wound healing by CSE in 16HBE cells. VitD increased the expression of its own catabolic enzyme CYP24A1 thereby maintaining its negative feedback. In conclusion, vitD supplementation may potentially reduce infectious exacerbations in COPD by the upregulation of cathelicidin in the bronchial epithelium.
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Affiliation(s)
| | - Jef Serré
- Lab of Respiratory Diseases, CHROMETA, KU Leuven, 3000 Leuven, Belgium.
| | - Annelore Sacreas
- Lab of Respiratory Diseases, CHROMETA, KU Leuven, 3000 Leuven, Belgium.
| | | | - Karen Maes
- Lab of Respiratory Diseases, CHROMETA, KU Leuven, 3000 Leuven, Belgium.
| | - Stijn Verleden
- Lab of Respiratory Diseases, CHROMETA, KU Leuven, 3000 Leuven, Belgium.
| | - Lieve Verlinden
- Clinical and Experimental Endocrinology, CHROMETA, KU Leuven, 3000 Leuven, Belgium.
| | - Annemieke Verstuyf
- Clinical and Experimental Endocrinology, CHROMETA, KU Leuven, 3000 Leuven, Belgium.
| | - Charles Pilette
- Institute of Experimental & Clinical Research-Pole of Pneumology, ENT and Dermatology, Université Catholique de Louvain (UCL), 1200 Brussels, Belgium.
| | | | | | - Wim Janssens
- Lab of Respiratory Diseases, CHROMETA, KU Leuven, 3000 Leuven, Belgium.
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36
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Ghosh M, Miller YE, Nakachi I, Kwon JB, Barón AE, Brantley AE, Merrick DT, Franklin WA, Keith RL, Vandivier RW. Exhaustion of Airway Basal Progenitor Cells in Early and Established Chronic Obstructive Pulmonary Disease. Am J Respir Crit Care Med 2019; 197:885-896. [PMID: 29211494 DOI: 10.1164/rccm.201704-0667oc] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
RATIONALE Up to 40% of smokers develop chronic obstructive pulmonary disease (COPD) over a period that spans decades. Despite the importance of COPD, much remains to be learned about susceptibility and pathogenesis, especially during early, prediagnostic stages of disease. Airway basal progenitor cells are crucial for lung health and resilience because of their ability to repair injured airways. In COPD, the normal airway epithelium is replaced with increased basal and secretory (mucous) cells and decreased ciliated cells, suggesting that progenitors are impaired. OBJECTIVES To examine airway basal progenitor cells and lung function in smokers with and without COPD. METHODS Bronchial biopsies taken from smokers at risk for COPD and lung cancer were used to acquire airway basal progenitor cells. They were evaluated for count, self-renewal, and multipotentiality (ability to differentiate to basal, mucous, and ciliated cells), and progenitor count was examined for its relationship with lung function. MEASUREMENTS AND MAIN RESULTS Basal progenitor count, self-renewal, and multipotentiality were all reduced in COPD versus non-COPD. COPD progenitors produced an epithelium with increased basal and mucous cells and decreased ciliated cells, replicating the COPD phenotype. Progenitor depletion correlated with lung function and identified a subset of subjects without COPD with lung function that was midway between non-COPD with high progenitor counts and those with COPD. CONCLUSIONS Basal progenitor dysfunction relates to the histologic and physiologic manifestations of COPD and identifies a subset that may represent an early, prediagnostic stage of COPD, indicating that progenitor exhaustion is involved in COPD pathogenesis.
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Affiliation(s)
- Moumita Ghosh
- 1 Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado
| | - York E Miller
- 2 COPD Program, Division of Pulmonary Sciences and Critical Care Medicine, Department of Medicine, and.,3 Veterans Affairs Eastern Colorado Healthcare System, Denver, Colorado
| | - Ichiro Nakachi
- 4 Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan; and
| | - Jennifer B Kwon
- 1 Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado
| | - Anna E Barón
- 5 Department of Biostatistics and Bioinformatics, University of Colorado School of Public Health, Aurora, Colorado
| | - Alexandra E Brantley
- 1 Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, National Jewish Health, Denver, Colorado
| | - Daniel T Merrick
- 6 Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Wilbur A Franklin
- 6 Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado
| | - Robert L Keith
- 2 COPD Program, Division of Pulmonary Sciences and Critical Care Medicine, Department of Medicine, and.,3 Veterans Affairs Eastern Colorado Healthcare System, Denver, Colorado
| | - R William Vandivier
- 2 COPD Program, Division of Pulmonary Sciences and Critical Care Medicine, Department of Medicine, and
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37
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Vitenberga Z, Pilmane M, Babjoniševa A. An Insight into COPD Morphopathogenesis: Chronic Inflammation, Remodeling, and Antimicrobial Defense. ACTA ACUST UNITED AC 2019; 55:medicina55080496. [PMID: 31426487 PMCID: PMC6723364 DOI: 10.3390/medicina55080496] [Citation(s) in RCA: 9] [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: 06/27/2019] [Revised: 08/08/2019] [Accepted: 08/14/2019] [Indexed: 12/20/2022]
Abstract
Background and Objectives: Intercellular signaling networks with high complexity cause a spectrum of mechanisms achieving chronic obstructive pulmonary disease (COPD) that still question many uncertainties. Materials and Methods: Immunoreactive cells in bronchial tissue obtained from 40 COPD patients and 49 healthy control subjects were detected by biotin-streptavidin immunohistochemistry method for the following markers of IL-1α, IL-4, IL-6, IL-7, IL-8, IL-10, IL-12, TNF-α, MMP-2, TIMP-2, TGF-β1, Hsp−70, hBD−2, hBD−3, hBD−4. Results: Overall the highest numbers (from mostly moderate (++) to abundance (++++)) of IL-1α, IL-4, IL-7, IL-8, IL-10, IL-12, MMP-2, TIMP-2, TGF-β1 immunoreactive cells were marked increasingly in the blood vessel wall, connective tissue, and bronchial epithelium of COPD-affected lung, respectively. We found statistically significant (p < 0.05) higher numbers of immunoreactive cells positive for all of examined interleukins, TNF-α, MMP-2, TIMP-2, TGF-β1, hBD-2, and hBD-3 in the COPD-affected lung compared to the control group, but not for Hsp-70 and hBD-4. Conclusions: COPD-affected lung tissue exhibits mostly inflammatory response patterns of increased IL-1α, IL-4, IL-8, IL-12, and TNF-α, especially in the airway epithelium. Increased MMP-2 and TGF-β1, but decreased Hsp-70, proposes pronounced tissue damage and remodeling in COPD. High numbers of hBD-2 and hBD-3 immunoreactive cells may highlight antimicrobial activity in COPD within stable regulation of local immunity.
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Affiliation(s)
- Zane Vitenberga
- Department of Morphology, Institute of Anatomy and Anthropology, Riga Stradins University, Kronvalda Boulevard 9, LV-1010 Riga, Latvia.
| | - Māra Pilmane
- Department of Morphology, Institute of Anatomy and Anthropology, Riga Stradins University, Kronvalda Boulevard 9, LV-1010 Riga, Latvia
| | - Aurika Babjoniševa
- Department of Morphology, Institute of Anatomy and Anthropology, Riga Stradins University, Kronvalda Boulevard 9, LV-1010 Riga, Latvia
- Pauls Stradins Clinical University Hospital, Pilsonu street 13, LV-1002 Riga, Latvia
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38
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Su Y, Luo H, Yang J. Heparin-binding EGF-like growth factor attenuates lung inflammation and injury in a murine model of pulmonary emphysema. Growth Factors 2018; 36:246-262. [PMID: 30600734 DOI: 10.1080/08977194.2018.1552270] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Pulmonary inflammation and progressive lung destruction are the major causes of chronic obstructive pulmonary disease (COPD), resulting in emphysema and irreversible pulmonary dysfunction. Heparin-binding EGF-like growth factor (HB-EGF), is known to play a protective role in the process of various inflammatory diseases. However, its effect on COPD is poorly understood. This study was designed to determine the effect of HB-EGF on lung inflammation and injury in a murine model of pulmonary emphysema. HB-EGF promoted percent survival and body weight, attenuated lung injury, inflammatory cells, and cytokines infiltration, and prevented lung function decline. Additionally, treatment of rHB-EGF suppressed the nuclear translocation of nuclear factor κB (NF-κB)/p65, decreased TUNEL-positive cells and the expression of caspase 3, and increased the expression of PCNA, HB-EGF, and EGF receptor (EGFR). We conclude that HB-EGF attenuates lung inflammation and injury, probably through the activation of EGFR, followed by suppression of NF-ΚB signalling, promotion of cell proliferation, and inhibition of apoptosis.
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Affiliation(s)
- Yanwei Su
- a School of Nursing, Tongji Medical College , Huazhong University of Science and Technology , Wuhan , China
| | - Heng Luo
- b Department of Pathology, Union Hospital, Tongji Medical College , Huazhong University of Science and Technology , Wuhan , China
| | - Jixin Yang
- c Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College , Huazhong University of Science and Technology , Wuhan , China
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39
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Su YC, Jalalvand F, Thegerström J, Riesbeck K. The Interplay Between Immune Response and Bacterial Infection in COPD: Focus Upon Non-typeable Haemophilus influenzae. Front Immunol 2018; 9:2530. [PMID: 30455693 PMCID: PMC6230626 DOI: 10.3389/fimmu.2018.02530] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Accepted: 10/15/2018] [Indexed: 12/12/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a debilitating respiratory disease and one of the leading causes of morbidity and mortality worldwide. It is characterized by persistent respiratory symptoms and airflow limitation due to abnormalities in the lower airway following consistent exposure to noxious particles or gases. Acute exacerbations of COPD (AECOPD) are characterized by increased cough, purulent sputum production, and dyspnea. The AECOPD is mostly associated with infection caused by common cold viruses or bacteria, or co-infections. Chronic and persistent infection by non-typeable Haemophilus influenzae (NTHi), a Gram-negative coccobacillus, contributes to almost half of the infective exacerbations caused by bacteria. This is supported by reports that NTHi is commonly isolated in the sputum from COPD patients during exacerbations. Persistent colonization of NTHi in the lower airway requires a plethora of phenotypic adaptation and virulent mechanisms that are developed over time to cope with changing environmental pressures in the airway such as host immuno-inflammatory response. Chronic inhalation of noxious irritants in COPD causes a changed balance in the lung microbiome, abnormal inflammatory response, and an impaired airway immune system. These conditions significantly provide an opportunistic platform for NTHi colonization and infection resulting in a "vicious circle." Episodes of large inflammation as the consequences of multiple interactions between airway immune cells and NTHi, accumulatively contribute to COPD exacerbations and may result in worsening of the clinical status. In this review, we discuss in detail the interplay and crosstalk between airway immune residents and NTHi, and their effect in AECOPD for better understanding of NTHi pathogenesis in COPD patients.
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Affiliation(s)
- Yu-Ching Su
- Clinical Microbiology, Department of Translational Medicine, Faculty of Medicine, Lund University, Malmö, Sweden
| | - Farshid Jalalvand
- Department of Biology, Centre for Bacterial Stress Response and Persistence, University of Copenhagen, Copenhagen, Denmark
| | - John Thegerström
- Clinical Microbiology, Department of Translational Medicine, Faculty of Medicine, Lund University, Malmö, Sweden
| | - Kristian Riesbeck
- Clinical Microbiology, Department of Translational Medicine, Faculty of Medicine, Lund University, Malmö, Sweden
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40
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Schagen J, Sly PD, Fantino E. Characterizing well-differentiated culture of primary human nasal epithelial cells for use in wound healing assays. J Transl Med 2018; 98:1478-1486. [PMID: 30089850 DOI: 10.1038/s41374-018-0100-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 05/31/2018] [Accepted: 06/05/2018] [Indexed: 12/18/2022] Open
Abstract
The nasal epithelium is the initial contact between the external environment and the respiratory tract and how it responds to noxious stimuli and repairs epithelial damage is important. Growing airway epithelial cells in culture at air-liquid interface allows for a physiologically relevant model of the human upper airways. The aim of the present study was to characterize human primary nasal epithelial cells grown at the air-liquid interface and establish a model for use in wound healing assays. This study determined the time required for full differentiation of nasal epithelial cells in an air-liquid interface culture to be at least 7 weeks using the standardized B-ALI media. Also, a model was established that studied the response to wounding and the effect of EGFR inhibition on this process. Nasal epithelial cultures from healthy subjects were differentiated at air-liquid interface and manually wounded. Wounds were monitored over time to complete closure using a time lapse imaging microscope with cultures identified to have a rate of wound healing above 2.5%/h independent of initial wound size. EGFR inhibition caused the rate of wound healing to drop a significant 4.6%/h with there being no closure of the wound after 48 h. The robust model established in this study will be essential for studying factors influencing wound healing, including host disease status and environmental exposures in the future.
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Affiliation(s)
- Johanna Schagen
- Children's Lung, Environment and Asthma Research Team, Centre for Children's Health Research, The University of Queensland, Brisbane, Australia
| | - Peter D Sly
- Children's Lung, Environment and Asthma Research Team, Centre for Children's Health Research, The University of Queensland, Brisbane, Australia.
| | - Emmanuelle Fantino
- Children's Lung, Environment and Asthma Research Team, Centre for Children's Health Research, The University of Queensland, Brisbane, Australia
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41
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Amatngalim GD, Hiemstra PS. Airway Epithelial Cell Function and Respiratory Host Defense in Chronic Obstructive Pulmonary Disease. Chin Med J (Engl) 2018; 131:1099-1107. [PMID: 29692382 PMCID: PMC5937320 DOI: 10.4103/0366-6999.230743] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Affiliation(s)
- Gimano D Amatngalim
- Department of Pulmonology, Leiden University Medical Center, Leiden; Department of Pediatrics, Wilhelmina Children's Hospital, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Pieter S Hiemstra
- Department of Pulmonology, Leiden University Medical Center, Leiden, The Netherlands
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42
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Perotin JM, Coraux C, Lagonotte E, Birembaut P, Delepine G, Polette M, Deslée G, Dormoy V. Alteration of primary cilia in COPD. Eur Respir J 2018; 52:13993003.00122-2018. [PMID: 29678947 DOI: 10.1183/13993003.00122-2018] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 04/11/2018] [Indexed: 01/03/2023]
Affiliation(s)
- Jeanne-Marie Perotin
- Inserm U1250, University Hospital of Reims, Reims, France.,Dept of Respiratory Diseases, University Hospital of Reims, Reims, France
| | | | - Eymeric Lagonotte
- Inserm U1250, University Hospital of Reims, Reims, France.,University of Reims Champagne-Ardenne (URCA), SFR Cap-Santé, Reims, France
| | - Philippe Birembaut
- Inserm U1250, University Hospital of Reims, Reims, France.,University of Reims Champagne-Ardenne (URCA), SFR Cap-Santé, Reims, France.,Dept of Biopathology, University Hospital of Reims, Reims, France
| | - Gonzague Delepine
- Inserm U1250, University Hospital of Reims, Reims, France.,Dept of Cardio-Thoracic Surgery, University Hospital of Reims, Reims, France
| | - Myriam Polette
- Inserm U1250, University Hospital of Reims, Reims, France.,University of Reims Champagne-Ardenne (URCA), SFR Cap-Santé, Reims, France.,Dept of Biopathology, University Hospital of Reims, Reims, France
| | - Gaëtan Deslée
- Inserm U1250, University Hospital of Reims, Reims, France.,Dept of Respiratory Diseases, University Hospital of Reims, Reims, France.,University of Reims Champagne-Ardenne (URCA), SFR Cap-Santé, Reims, France
| | - Valérian Dormoy
- Inserm U1250, University Hospital of Reims, Reims, France.,University of Reims Champagne-Ardenne (URCA), SFR Cap-Santé, Reims, France
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43
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Tan M, Liu C, Huang W, Deng L, Qin X, Xiang Y. CTNNAL1 inhibits ozone-induced epithelial-mesenchymal transition in human bronchial epithelial cells. Exp Physiol 2018; 103:1157-1169. [PMID: 29791759 DOI: 10.1113/ep086839] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Accepted: 05/14/2018] [Indexed: 12/16/2022]
Abstract
NEW FINDINGS What is the central question of this study? What is the effect of catenin alpha-like 1 (CTNNAL1), an asthma-related epithelial adhesion molecule that plays a vital role in airway epithelial wound repair, on airway epithelial-mesenchymal transition? What is the main finding and its importance? CTNNAL1 inhibits ozone-induced airway epithelial-mesenchymal transition features, mediated by repressing the expression of Twist1 mRNA and reducing TGF-β1 levels. These findings contribute to our understanding of the pathology of airway EMT and may indicate a possible therapeutic target for airway remodelling in bronchial asthma. ABSTRACT Epithelial-mesenchymal transition (EMT), a crucial event occurring during epithelial and mesenchymal repair, was reported to be a possible mechanism for airway remodelling. Our previous work showed that the expression of catenin alpha-like 1 (CTNNAL1) was down-regulated in the bronchial epithelial cells of asthmatic models and played a vital role in airway epithelial wound repair. The aim of this study was to investigate the effect of CTNNAL1 on airway EMT. Overexpression or silencing of CTNNAL1 in human bronchial epithelial cells was induced by stable transfection. CTNNAL1 was silenced in primary mouse airway epithelial cells with an effective siRNA vector. Cells were stressed by ozone for 4 days at 30 min day-1 to induce EMT. EMT features, changes in the function of co-cultured lung fibroblasts, changes in the expression of the transcriptional repressors Snail/Slug and Twist1/Twist2 and changes in the secretion of transforming growth factor β1 (TGF-β1) were assayed in different cell lines with or without ozone exposure. Both ozone exposure and silencing of CTNNAL1 induced EMT features in airway epithelial cells. Functional changes in lung fibroblasts increased after co-culture with (ozone-stressed) CTNNAL1-silenced cells. Snail and Twist1 expression increased, and the level of TGF-β1 was enhanced. Conversely, CTNNAL1 overexpression reversed EMT features, repressed mRNA levels of Twist1 and reduced the secretion of TGF-β1, both alone and in combination with ozone exposure. Our results indicate that ozone exposure induces airway EMT and that CTNNAL1 inhibits ozone-induced airway EMT. CTNNAL1 may play a role in airway EMT by repressing the expression of Twist1 mRNA and reducing the level of TGF-β1.
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Affiliation(s)
- Meiling Tan
- School of Basic Medicine, Central South University, Changsha, Hunan, 410078, China
| | - Caixia Liu
- School of Basic Medicine, Central South University, Changsha, Hunan, 410078, China
| | - Wenjie Huang
- School of Basic Medicine, Central South University, Changsha, Hunan, 410078, China
| | - Linhong Deng
- Changzhou Key Laboratory of Respiratory Medical Engineering, Institute of Biomedical Engineering and Health Sciences, Changzhou, Jiangsu, 213164, China
| | - Xiaoqun Qin
- School of Basic Medicine, Central South University, Changsha, Hunan, 410078, China
| | - Yang Xiang
- School of Basic Medicine, Central South University, Changsha, Hunan, 410078, China
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De Rose V, Molloy K, Gohy S, Pilette C, Greene CM. Airway Epithelium Dysfunction in Cystic Fibrosis and COPD. Mediators Inflamm 2018; 2018:1309746. [PMID: 29849481 PMCID: PMC5911336 DOI: 10.1155/2018/1309746] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 01/15/2018] [Accepted: 02/01/2018] [Indexed: 12/22/2022] Open
Abstract
Cystic fibrosis is a genetic disease caused by mutations in the CFTR gene, whereas chronic obstructive pulmonary disease (COPD) is mainly caused by environmental factors (mostly cigarette smoking) on a genetically susceptible background. Although the etiology and pathogenesis of these diseases are different, both are associated with progressive airflow obstruction, airway neutrophilic inflammation, and recurrent exacerbations, suggesting common mechanisms. The airway epithelium plays a crucial role in maintaining normal airway functions. Major molecular and morphologic changes occur in the airway epithelium in both CF and COPD, and growing evidence suggests that airway epithelial dysfunction is involved in disease initiation and progression in both diseases. Structural and functional abnormalities in both airway and alveolar epithelium have a relevant impact on alteration of host defences, immune/inflammatory response, and the repair process leading to progressive lung damage and impaired lung function. In this review, we address the evidence for a critical role of dysfunctional airway epithelial cells in chronic airway inflammation and remodelling in CF and COPD, highlighting the common mechanisms involved in the epithelial dysfunction as well as the similarities and differences of the two diseases.
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Affiliation(s)
- Virginia De Rose
- Department of Clinical and Biological Sciences, University of Torino, A.O.U. S. Luigi Gonzaga, Regione Gonzole 10, 10043 Orbassano, Torino, Italy
| | - Kevin Molloy
- Department of Medicine, Royal College of Surgeons in Ireland, Education and Research Centre, Beaumont Hospital, Dublin 9, Dublin, Ireland
| | - Sophie Gohy
- Institute of Experimental and Clinical Research, Pole of Pneumology, ENT and Dermatology, Université Catholique de Louvain (UCL), Brussels, Belgium
- Department of Pneumology, Cliniques Universitaires St-Luc, Brussels, Belgium
| | - Charles Pilette
- Institute of Experimental and Clinical Research, Pole of Pneumology, ENT and Dermatology, Université Catholique de Louvain (UCL), Brussels, Belgium
- Department of Pneumology, Cliniques Universitaires St-Luc, Brussels, Belgium
| | - Catherine M. Greene
- Lung Biology Group, Department of Clinical Microbiology, Royal College of Surgeons in Ireland, Education and Research Centre, Beaumont Hospital, Dublin 9, Dublin, Ireland
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45
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Aghapour M, Raee P, Moghaddam SJ, Hiemstra PS, Heijink IH. Airway Epithelial Barrier Dysfunction in Chronic Obstructive Pulmonary Disease: Role of Cigarette Smoke Exposure. Am J Respir Cell Mol Biol 2018; 58:157-169. [DOI: 10.1165/rcmb.2017-0200tr] [Citation(s) in RCA: 142] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
| | - Pourya Raee
- Department of Basic Sciences, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Seyed Javad Moghaddam
- Department of Pulmonary Medicine, Division of Internal Medicine, the University of Texas M. D. Anderson Cancer Center, Houston, Texas
| | - Pieter S. Hiemstra
- Department of Pulmonology, Leiden University Medical Center, Leiden, the Netherlands; and
| | - Irene H. Heijink
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
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Boudewijn IM, Faiz A, Steiling K, van der Wiel E, Telenga ED, Hoonhorst SJM, Ten Hacken NHT, Brandsma CA, Kerstjens HAM, Timens W, Heijink IH, Jonker MR, de Bruin HG, Sebastiaan Vroegop J, Pasma HR, Boersma WG, Wielders P, van den Elshout F, Mansour K, Spira A, Lenburg ME, Guryev V, Postma DS, van den Berge M. Nasal gene expression differentiates COPD from controls and overlaps bronchial gene expression. Respir Res 2017; 18:213. [PMID: 29268739 PMCID: PMC5740586 DOI: 10.1186/s12931-017-0696-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 12/11/2017] [Indexed: 12/13/2022] Open
Abstract
Background Nasal gene expression profiling is a promising method to characterize COPD non-invasively. We aimed to identify a nasal gene expression profile to distinguish COPD patients from healthy controls. We investigated whether this COPD-associated gene expression profile in nasal epithelium is comparable with the profile observed in bronchial epithelium. Methods Genome wide gene expression analysis was performed on nasal epithelial brushes of 31 severe COPD patients and 22 controls, all current smokers, using Affymetrix Human Gene 1.0 ST Arrays. We repeated the gene expression analysis on bronchial epithelial brushes in 2 independent cohorts of mild-to-moderate COPD patients and controls. Results In nasal epithelium, 135 genes were significantly differentially expressed between severe COPD patients and controls, 21 being up- and 114 downregulated in COPD (false discovery rate < 0.01). Gene Set Enrichment Analysis (GSEA) showed significant concordant enrichment of COPD-associated nasal and bronchial gene expression in both independent cohorts (FDRGSEA < 0.001). Conclusion We identified a nasal gene expression profile that differentiates severe COPD patients from controls. Of interest, part of the nasal gene expression changes in COPD mimics differentially expressed genes in the bronchus. These findings indicate that nasal gene expression profiling is potentially useful as a non-invasive biomarker in COPD. Trial registration ClinicalTrials.gov registration number NCT01351792 (registration date May 10, 2011), ClinicalTrials.gov registration number NCT00848406 (registration date February 19, 2009), ClinicalTrials.gov registration number NCT00807469 (registration date December 11, 2008). Electronic supplementary material The online version of this article (10.1186/s12931-017-0696-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ilse M Boudewijn
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, Groningen, the Netherlands. .,University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands.
| | - Alen Faiz
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands
| | - Katrina Steiling
- Division of Computational Biomedicine, Boston University School of Medicine, Boston, MA, USA.,Bioinformatics Program, Boston University, Boston, MA, USA
| | - Erica van der Wiel
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands
| | - Eef D Telenga
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands
| | - Susan J M Hoonhorst
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands
| | - Nick H T Ten Hacken
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands
| | - Corry-Anke Brandsma
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Department of Pathology, section Medical Biology, Groningen, the Netherlands
| | - Huib A M Kerstjens
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands
| | - Wim Timens
- University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Department of Pathology, section Medical Biology, Groningen, the Netherlands
| | - Irene H Heijink
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Department of Pathology, section Medical Biology, Groningen, the Netherlands
| | - Marnix R Jonker
- University of Groningen, University Medical Center Groningen, Department of Pathology, section Medical Biology, Groningen, the Netherlands
| | - Harold G de Bruin
- University of Groningen, University Medical Center Groningen, Department of Pathology, section Medical Biology, Groningen, the Netherlands
| | | | - Henk R Pasma
- Medical Center Leeuwarden, Department of Pulmonary Diseases, Leeuwarden, the Netherlands
| | - Wim G Boersma
- Noordwest Ziekenhuisgroep, Department of Pulmonary Diseases, Alkmaar, the Netherlands
| | - Pascal Wielders
- Catharina Hospital, Department of Pulmonary Diseases, Eindhoven, the Netherlands
| | | | - Khaled Mansour
- Orbis Concern, Department of Pulmonary Diseases, Sittard, the Netherlands
| | - Avrum Spira
- Division of Computational Biomedicine, Boston University School of Medicine, Boston, MA, USA.,Bioinformatics Program, Boston University, Boston, MA, USA
| | - Marc E Lenburg
- Division of Computational Biomedicine, Boston University School of Medicine, Boston, MA, USA.,Bioinformatics Program, Boston University, Boston, MA, USA
| | - Victor Guryev
- European Research Institute for the Biology of Ageing, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
| | - Dirkje S Postma
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands
| | - Maarten van den Berge
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, Groningen, the Netherlands.,University of Groningen, University Medical Center Groningen, Groningen Research Institute for Asthma and COPD, Groningen, the Netherlands
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Ahmed E, Sansac C, Assou S, Gras D, Petit A, Vachier I, Chanez P, De Vos J, Bourdin A. Lung development, regeneration and plasticity: From disease physiopathology to drug design using induced pluripotent stem cells. Pharmacol Ther 2017; 183:58-77. [PMID: 28987320 DOI: 10.1016/j.pharmthera.2017.10.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Lungs have a complex structure composed of different cell types that form approximately 17 million airway branches of gas-delivering bronchioles connected to 500 million gas-exchanging alveoli. Airways and alveoli are lined by epithelial cells that display a low rate of turnover at steady-state, but can regenerate the epithelium in response to injuries. Here, we review the key points of lung development, homeostasis and epithelial cell plasticity in response to injury and disease, because this knowledge is required to develop new lung disease treatments. Of note, canonical signaling pathways that are essential for proper lung development during embryogenesis are also involved in the pathophysiology of most chronic airway diseases. Moreover, the perfect control of these interconnected pathways is needed for the successful differentiation of induced pluripotent stem cells (iPSC) into lung cells. Indeed, differentiation of iPSC into airway epithelium and alveoli is based on the use of biomimetics of normal embryonic and fetal lung development. In vitro iPSC-based models of lung diseases can help us to better understand the impaired lung repair capacity and to identify new therapeutic targets and new approaches, such as lung cell therapy.
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Affiliation(s)
- Engi Ahmed
- Department of Respiratory Diseases, Hôpital Arnaud de Villeneuve, Montpellier F34000, France; CHU Montpellier, Institute for Regenerative Medicine and Biotherapy, Hôpital Saint-Eloi, Montpellier F34000, France; INSERM, U1183, Montpellier F34000, France; Université de MONTPELLIER, UFR de Médecine, Montpellier F34000, France
| | - Caroline Sansac
- CHU Montpellier, Institute for Regenerative Medicine and Biotherapy, Hôpital Saint-Eloi, Montpellier F34000, France
| | - Said Assou
- CHU Montpellier, Institute for Regenerative Medicine and Biotherapy, Hôpital Saint-Eloi, Montpellier F34000, France; INSERM, U1183, Montpellier F34000, France; Université de MONTPELLIER, UFR de Médecine, Montpellier F34000, France
| | - Delphine Gras
- Dept of Respiratory Diseases APHM, INSERM CNRS U 1067, UMR7333, Aix-Marseille University, Marseille, France
| | - Aurélie Petit
- INSERM, U1046, PhyMedExp, Montpellier F34000, France
| | | | - Pascal Chanez
- Dept of Respiratory Diseases APHM, INSERM CNRS U 1067, UMR7333, Aix-Marseille University, Marseille, France
| | - John De Vos
- CHU Montpellier, Institute for Regenerative Medicine and Biotherapy, Hôpital Saint-Eloi, Montpellier F34000, France; INSERM, U1183, Montpellier F34000, France; Université de MONTPELLIER, UFR de Médecine, Montpellier F34000, France; CHU Montpellier, Unit for Cellular Therapy, Hospital Saint-Eloi, Montpellier F 34000, France.
| | - Arnaud Bourdin
- Department of Respiratory Diseases, Hôpital Arnaud de Villeneuve, Montpellier F34000, France; Université de MONTPELLIER, UFR de Médecine, Montpellier F34000, France; INSERM, U1046, PhyMedExp, Montpellier F34000, France.
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Hydrogen-rich pure water prevents cigarette smoke-induced pulmonary emphysema in SMP30 knockout mice. Biochem Biophys Res Commun 2017; 492:74-81. [PMID: 28807355 DOI: 10.1016/j.bbrc.2017.08.035] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Accepted: 08/10/2017] [Indexed: 10/19/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is predominantly a cigarette smoke (CS)-triggered disease with features of chronic systemic inflammation. Oxidants derived from CS can induce DNA damage and stress-induced premature cellular senescence in the respiratory system, which play significant roles in COPD. Therefore, antioxidants should provide benefits for the treatment of COPD; however, their therapeutic potential remains limited owing to the complexity of this disease. Recently, molecular hydrogen (H2) has been reported as a preventive and therapeutic antioxidant. Molecular H2 can selectively reduce hydroxyl radical accumulation with no known side effects, showing potential applications in managing oxidative stress, inflammation, apoptosis, and lipid metabolism. However, there have been no reports on the efficacy of molecular H2 in COPD patients. In the present study, we used a mouse model of COPD to investigate whether CS-induced histological damage in the lungs could be attenuated by administration of molecular H2. We administered H2-rich pure water to senescence marker protein 30 knockout (SMP30-KO) mice exposed to CS for 8 weeks. Administration of H2-rich water attenuated the CS-induced lung damage in the SMP30-KO mice and reduced the mean linear intercept and destructive index of the lungs. Moreover, H2-rich water significantly restored the static lung compliance in the CS-exposed mice compared with that in the CS-exposed H2-untreated mice. Moreover, treatment with H2-rich water decreased the levels of oxidative DNA damage markers such as phosphorylated histone H2AX and 8-hydroxy-2'-deoxyguanosine, and senescence markers such as cyclin-dependent kinase inhibitor 2A, cyclin-dependent kinase inhibitor 1, and β-galactosidase in the CS-exposed mice. These results demonstrated that H2-rich pure water attenuated CS-induced emphysema in SMP30-KO mice by reducing CS-induced oxidative DNA damage and premature cell senescence in the lungs. Our study suggests that administration of molecular H2 may be a novel preventive and therapeutic strategy for COPD.
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Jiang ZM, Zhang C, Chen ZH. Iatrogenic rupture of the left main bronchus secondary to repeated surgical lobe torsion during double-lumen tube placement: A case report. Medicine (Baltimore) 2017; 96:e7694. [PMID: 28767602 PMCID: PMC5626156 DOI: 10.1097/md.0000000000007694] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
RATIONALE Bronchial rupture is a rare but potentially life-threatening complication during double-lumen endobronchial tube placement. The rupture of the left main bronchus resulting from repeated surgical torsion is uncommon. PATIENT CONCERNS A 70-year-old man with a history of chronic obstructive pulmonary disease (COPD), intermediate emphysema, chronic bronchitis, hypertension, type 2 diabetes mellitus, and L3-L4 lumbar intervertebral disc herniation. Chest x-ray and computed tomography revealed a solitary pulmonary nodule in the left lower lobe. DIAGNOSES Left lower lobe carcinoma. INTERVENTIONS To improve surgical access, forceps were used to oppress and torque the left lung. OUTCOMES An irregular, circular, horizontal, full-thickness rupture of 1.2 cm was observed at the tip of the bronchial tube in the left main bronchus upon examination of the bronchial stump.The rupture was repaired via primary suturing with 4-0 prolene thread and secondary reinforcement with a pericardial flap through a left thoracotomy, with no further complications. LESSONS Caution should be exercised during compression and torsion of the pulmonary lobe when attempting to improve surgical access, especially in patients with COPD. Conversion to thoracotomy is recommended if other measures have been unsuccessful.
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Affiliation(s)
| | - Chu Zhang
- Department of Thoracic surgery, Shaoxing People's Hospital (Shaoxing Hospital of Zhejiang University), Shaoxing, P.R. China
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50
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Thamrin C, Frey U, Kaminsky DA, Reddel HK, Seely AJE, Suki B, Sterk PJ. Systems Biology and Clinical Practice in Respiratory Medicine. The Twain Shall Meet. Am J Respir Crit Care Med 2017; 194:1053-1061. [PMID: 27556336 DOI: 10.1164/rccm.201511-2288pp] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Respiratory diseases are highly complex, being driven by host-environment interactions and manifested by inflammatory, structural, and functional abnormalities that vary over time. Traditional reductionist approaches have contributed vastly to our knowledge of biological systems in health and disease to date; however, they are insufficient to provide an understanding of the behavior of the system as a whole. In this Pulmonary Perspective, we discuss systems biology approaches, especially but not limited to the study of the lung as a complex system. Such integrative approaches take into account the large number of dynamic subunits and their interactions found in biological systems. Borrowing methods from physics and mathematics, it is possible to study the collective behavior of these systems over time and in a multidimensional manner. We first examine the physiological basis for complexity in the respiratory system and its implications for disease. We then expand on the potential applications of systems biology methods to study complex systems, within the context of diagnosis and monitoring of respiratory diseases including asthma, chronic obstructive pulmonary disease (COPD), and critical illness. We summarize the significant advances made in recent years using systems approaches for disease phenotyping, applied to data ranging from the molecular to clinical level, obtained from large-scale asthma and COPD networks. We describe new studies using temporal complexity patterns to characterize asthma and COPD and predict exacerbations as well as predict adverse outcomes in critical care. We highlight new methods that are emerging with this approach and discuss remaining questions that merit greater attention in the field.
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Affiliation(s)
- Cindy Thamrin
- 1 Woolcock Institute of Medical Research, University of Sydney, Sydney, New South Wales, Australia
| | - Urs Frey
- 2 University Children's Hospital Basel, Basel, Switzerland
| | - David A Kaminsky
- 3 University of Vermont College of Medicine, Burlington, Vermont
| | - Helen K Reddel
- 1 Woolcock Institute of Medical Research, University of Sydney, Sydney, New South Wales, Australia
| | - Andrew J E Seely
- 4 Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Ontario, Canada
| | - Béla Suki
- 5 Department of Biomedical Engineering, Boston University, Boston, Massachusetts; and
| | - Peter J Sterk
- 6 Academic Medical Centre, University of Amsterdam, Amsterdam, the Netherlands
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