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Lee HS, Park HW. Role of diesel exhaust particle-induced cellular senescence in the development of asthma in young and old mice. Allergol Int 2024; 73:453-463. [PMID: 38350817 DOI: 10.1016/j.alit.2024.01.010] [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: 09/06/2023] [Revised: 01/03/2024] [Accepted: 01/10/2024] [Indexed: 02/15/2024] Open
Abstract
BACKGROUND Although it has been reported that cellular senescence is important in the pathogenesis of asthma, the differential effects of diesel exhaust particle (DEP)-induced cellular senescence on the development of asthma according to age have not been thoroughly studied. METHODS We first confirmed that DEP induced cellular senescence in mouse lungs, and then that DEP-induced cellular senescence followed by intranasal instillation of a low-dose house dust mite (HDM) allergen resulted in murine asthma. Second, we examined age-dependent differential effects using 6-week-old (young) and 18-month-old mice (old), and tested whether the mammalian target of the rapamycin (mTOR) pathway plays an important role in this process. Finally, we performed in vitro experiments using human bronchial epithelial cells (HBEC) originating from young and elderly adults to identify the underlying mechanisms. RESULTS DEP induced cellular senescence in the airway epithelial cells of young and old mice characterized by increased senescence-associated beta-galactosidase, S100A8/9, and high mobility group box 1 (HMGB1) expressions. DEP-induced cellular senescence with subsequent exposure to a low-dose HDM allergen resulted in asthma in young and old mice. Rapamycin (mTOR pathway inhibitor) administration before DEP instillation significantly attenuated these asthmatic features. In addition, after treatment with a low-dose HDM allergen, S100A9 and HMGB1 over-expressed HBEC originating from young and elderly adults greatly activated co-cultured monocyte-derived dendritic cells (DCs). CONCLUSIONS This study showed that DEP-induced senescence made both young and old mice susceptible to allergic sensitization and resultant asthma development by enhancing DC activation. Public health efforts to reduce DEP exposure are warranted.
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Affiliation(s)
- Hyun Seung Lee
- Biomedical Research Institute, Seoul National University Hospital, Seoul, South Korea
| | - Heung-Woo Park
- Department of Internal Medicine, Seoul National University Hospital, Seoul, South Korea; Department of Internal Medicine, Seoul National University College of Medicine, Seoul, South Korea.
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He B, Shao B, Cheng C, Ye Z, Yang Y, Fan B, Xia H, Wu H, Liu Q, Zhang J. miR-21-Mediated Endothelial Senescence and Dysfunction Are Involved in Cigarette Smoke-Induced Pulmonary Hypertension through Activation of PI3K/AKT/mTOR Signaling. TOXICS 2024; 12:396. [PMID: 38922076 PMCID: PMC11209295 DOI: 10.3390/toxics12060396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 05/25/2024] [Accepted: 05/27/2024] [Indexed: 06/27/2024]
Abstract
Smoking is a pathogenic factor for pulmonary hypertension (PH). Our previous study showed that serum miR-21 levels are elevated in smokers. miR-21 is considered as engaged in the PH process; however, its mechanisms remain unclear. In this investigation, we found that in the lung tissue of smoking-induced PH patients, the levels of miR-21 and aging markers (p21 and p16) were upregulated, and the function of pulmonary vascular endothelial cells was also impaired. Exposure of mice to cigarette smoke (CS) for four months caused similar changes in lung tissues and increased pulmonary arterial pressure, which were attenuated by knockout of miR-21. Further, human umbilical vein endothelial cells (HUVECs) exposed to cigarette smoke extract (CSE) revealed upregulation of miR-21 levels, depression of PTEN, activation of PI3K/AKT/mTOR signaling, an increase in senescence indexes, and enhanced dysfunction. Inhibiting miR-21 overexpression reversed the PTEN-mTOR signaling pathway and prevented senescence and dysfunction of HUVECs. In sum, our data indicate that miR-21-mediated endothelial senescence and dysfunction are involved in CS-induced PH through the activation of PI3K/AKT/mTOR signaling, which suggests that selective miR-21 inhibition offers the potential to attenuate PH.
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Affiliation(s)
- Bin He
- Department of Emergency, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China; (B.H.); (H.W.)
- The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China; (B.S.); (C.C.); (Z.Y.); (Y.Y.); (B.F.); (H.X.)
| | - Binxia Shao
- The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China; (B.S.); (C.C.); (Z.Y.); (Y.Y.); (B.F.); (H.X.)
- Department of Emergency, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School of Nanjing University, Nanjing 210008, China
| | - Cheng Cheng
- The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China; (B.S.); (C.C.); (Z.Y.); (Y.Y.); (B.F.); (H.X.)
| | - Zitong Ye
- The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China; (B.S.); (C.C.); (Z.Y.); (Y.Y.); (B.F.); (H.X.)
| | - Yi Yang
- The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China; (B.S.); (C.C.); (Z.Y.); (Y.Y.); (B.F.); (H.X.)
| | - Bowen Fan
- The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China; (B.S.); (C.C.); (Z.Y.); (Y.Y.); (B.F.); (H.X.)
| | - Haibo Xia
- The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China; (B.S.); (C.C.); (Z.Y.); (Y.Y.); (B.F.); (H.X.)
| | - Hao Wu
- Department of Emergency, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China; (B.H.); (H.W.)
| | - Qizhan Liu
- The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, China; (B.S.); (C.C.); (Z.Y.); (Y.Y.); (B.F.); (H.X.)
| | - Jinsong Zhang
- Department of Emergency, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China; (B.H.); (H.W.)
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3
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Liu Z, Zhang Y, Li D, Fu J. Cellular senescence in chronic lung diseases from newborns to the elderly: An update literature review. Biomed Pharmacother 2024; 173:116463. [PMID: 38503240 DOI: 10.1016/j.biopha.2024.116463] [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: 12/06/2023] [Revised: 03/11/2024] [Accepted: 03/15/2024] [Indexed: 03/21/2024] Open
Abstract
The role of cellular senescence in age-related diseases has been fully recognized. In various age-related-chronic lung diseases, the function of alveolar epithelial cells (AECs) is impaired and alveolar regeneration disorders, especially in bronchopulmonary dysplasia,pulmonary fibrosis (PF), chronic obstructive pulmonary disease (COPD), cancer, etc. Except for age-related-chronic lung diseases, an increasing number of studies are exploring the role of cellular senescence in developmental chronic lung diseases, which typically originate in childhood and even in the neonatal period. This review provides an overview of cellular senescence and lung diseases from newborns to the elderly, attempting to draw attention to the relationship between cellular senescence and developmental lung diseases.
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Affiliation(s)
- Ziyun Liu
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China
| | - Yiqi Zhang
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China
| | - Danni Li
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China.
| | - Jianhua Fu
- Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, PR China.
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4
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Zhang K, Yao E, Aung T, Chuang PT. The alveolus: Our current knowledge of how the gas exchange unit of the lung is constructed and repaired. Curr Top Dev Biol 2024; 159:59-129. [PMID: 38729684 DOI: 10.1016/bs.ctdb.2024.01.002] [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] [Indexed: 05/12/2024]
Abstract
The mammalian lung completes its last step of development, alveologenesis, to generate sufficient surface area for gas exchange. In this process, multiple cell types that include alveolar epithelial cells, endothelial cells, and fibroblasts undergo coordinated cell proliferation, cell migration and/or contraction, cell shape changes, and cell-cell and cell-matrix interactions to produce the gas exchange unit: the alveolus. Full functioning of alveoli also involves immune cells and the lymphatic and autonomic nervous system. With the advent of lineage tracing, conditional gene inactivation, transcriptome analysis, live imaging, and lung organoids, our molecular understanding of alveologenesis has advanced significantly. In this review, we summarize the current knowledge of the constituents of the alveolus and the molecular pathways that control alveolar formation. We also discuss how insight into alveolar formation may inform us of alveolar repair/regeneration mechanisms following lung injury and the pathogenic processes that lead to loss of alveoli or tissue fibrosis.
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Affiliation(s)
- Kuan Zhang
- Cardiovascular Research Institute, University of California, San Francisco, CA, United States
| | - Erica Yao
- Cardiovascular Research Institute, University of California, San Francisco, CA, United States
| | - Thin Aung
- Cardiovascular Research Institute, University of California, San Francisco, CA, United States
| | - Pao-Tien Chuang
- Cardiovascular Research Institute, University of California, San Francisco, CA, United States.
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5
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Lipskaia L, Breau M, Cayrou C, Churikov D, Braud L, Jacquet J, Born E, Fouillade C, Curras-Alonso S, Bauwens S, Jourquin F, Fiore F, Castellano R, Josselin E, Sánchez-Ferrer C, Giovinazzo G, Lachaud C, Gilson E, Flores I, Londono-Vallejo A, Adnot S, Géli V. mTert induction in p21-positive cells counteracts capillary rarefaction and pulmonary emphysema. EMBO Rep 2024; 25:1650-1684. [PMID: 38424230 PMCID: PMC10933469 DOI: 10.1038/s44319-023-00041-1] [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: 10/06/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 03/02/2024] Open
Abstract
Lung diseases develop when telomeres shorten beyond a critical point. We constructed a mouse model in which the catalytic subunit of telomerase (mTert), or its catalytically inactive form (mTertCI), is expressed from the p21Cdkn1a locus. Expression of either TERT or TERTCI reduces global p21 levels in the lungs of aged mice, highlighting TERT non-canonical function. However, only TERT reduces accumulation of very short telomeres, oxidative damage, endothelial cell (ECs) senescence and senile emphysema in aged mice. Single-cell analysis of the lung reveals that p21 (and hence TERT) is expressed mainly in the capillary ECs. We report that a fraction of capillary ECs marked by CD34 and endowed with proliferative capacity declines drastically with age, and this is counteracted by TERT but not TERTCI. Consistently, only TERT counteracts decline of capillary density. Natural aging effects are confirmed using the experimental model of emphysema induced by VEGFR2 inhibition and chronic hypoxia. We conclude that catalytically active TERT prevents exhaustion of the putative CD34 + EC progenitors with age, thus protecting against capillary vessel loss and pulmonary emphysema.
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Affiliation(s)
- Larissa Lipskaia
- Institute for Lung Health, Justus Liebig University, Giessen, Germany
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, FHU SENEC, AP-HP, 94010, Créteil, and Université Paris-Est Créteil (UPEC), Paris, France
| | - Marielle Breau
- Marseille Cancer Research Centre (CRCM), U1068 INSERM, UMR7258 CNRS, UM105 Aix-Marseille University, Institut Paoli-Calmettes, Ligue Nationale Contre le Cancer (Equipe labellisée), Team Telomeres and Chromatin, Marseille, France
| | - Christelle Cayrou
- Marseille Cancer Research Centre (CRCM), U1068 INSERM, UMR7258 CNRS, UM105 Aix-Marseille University, Institut Paoli-Calmettes, Ligue Nationale Contre le Cancer (Equipe labellisée), Team Telomeres and Chromatin, Marseille, France
| | - Dmitri Churikov
- Marseille Cancer Research Centre (CRCM), U1068 INSERM, UMR7258 CNRS, UM105 Aix-Marseille University, Institut Paoli-Calmettes, Ligue Nationale Contre le Cancer (Equipe labellisée), Team Telomeres and Chromatin, Marseille, France
| | - Laura Braud
- Marseille Cancer Research Centre (CRCM), U1068 INSERM, UMR7258 CNRS, UM105 Aix-Marseille University, Institut Paoli-Calmettes, Ligue Nationale Contre le Cancer (Equipe labellisée), Team Telomeres and Chromatin, Marseille, France
| | - Juliette Jacquet
- Institute for Lung Health, Justus Liebig University, Giessen, Germany
| | - Emmanuelle Born
- Institute for Lung Health, Justus Liebig University, Giessen, Germany
| | - Charles Fouillade
- Institut Curie, Inserm U1021, CNRS UMR 3347, University Paris-Saclay, PSL Research University, Orsay, France
| | - Sandra Curras-Alonso
- Institut Curie, PSL Research University, CNRS UMR3244, Sorbonne Université, Telomeres and Cancer, 75005, Paris, France
| | - Serge Bauwens
- Université Côte d'Azur, CNRS, Inserm, IRCAN, Faculty of Medicine, Nice, France
| | - Frederic Jourquin
- Marseille Cancer Research Centre (CRCM), U1068 INSERM, UMR7258 CNRS, UM105 Aix-Marseille University, Institut Paoli-Calmettes, Ligue Nationale Contre le Cancer (Equipe labellisée), Team Telomeres and Chromatin, Marseille, France
| | - Frederic Fiore
- Centre d'Immunophénomique, Aix Marseille Université, INSERM, CNRS UMR, Marseille, France
| | - Rémy Castellano
- Marseille Cancer Research Centre (CRCM), TrGET Preclinical Platform, Institut Paoli-Calmettes, Inserm, CNRS, Aix Marseille Université, Marseille, France
| | - Emmanuelle Josselin
- Marseille Cancer Research Centre (CRCM), TrGET Preclinical Platform, Institut Paoli-Calmettes, Inserm, CNRS, Aix Marseille Université, Marseille, France
| | | | - Giovanna Giovinazzo
- Centro Nacional de Investigaciones Cardiovasculares Carlos III, 28029, Madrid, Spain
| | - Christophe Lachaud
- Marseille Cancer Research Centre (CRCM), U1068 INSERM, UMR7258 CNRS, UM105 Aix-Marseille University, Institut Paoli-Calmettes, Team DNA Interstrand Crosslink Lesions and Blood Disorders, Marseille, France
| | - Eric Gilson
- Université Côte d'Azur, CNRS, Inserm, IRCAN, Faculty of Medicine, Nice, France
| | - Ignacio Flores
- Centro Nacional de Investigaciones Cardiovasculares Carlos III, 28029, Madrid, Spain
- Centro de Biologia Molecular Severo Ochoa, CSIC-UAM, Cantoblanco, Madrid, Spain
| | - Arturo Londono-Vallejo
- Institut Curie, PSL Research University, CNRS UMR3244, Sorbonne Université, Telomeres and Cancer, 75005, Paris, France
| | - Serge Adnot
- Institute for Lung Health, Justus Liebig University, Giessen, Germany.
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, FHU SENEC, AP-HP, 94010, Créteil, and Université Paris-Est Créteil (UPEC), Paris, France.
| | - Vincent Géli
- Marseille Cancer Research Centre (CRCM), U1068 INSERM, UMR7258 CNRS, UM105 Aix-Marseille University, Institut Paoli-Calmettes, Ligue Nationale Contre le Cancer (Equipe labellisée), Team Telomeres and Chromatin, Marseille, France.
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6
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Fraile-Martinez O, De Leon-Oliva D, Boaru DL, De Castro-Martinez P, Garcia-Montero C, Barrena-Blázquez S, García-García J, García-Honduvilla N, Alvarez-Mon M, Lopez-Gonzalez L, Diaz-Pedrero R, Guijarro LG, Ortega MA. Connecting epigenetics and inflammation in vascular senescence: state of the art, biomarkers and senotherapeutics. Front Genet 2024; 15:1345459. [PMID: 38469117 PMCID: PMC10925776 DOI: 10.3389/fgene.2024.1345459] [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: 11/27/2023] [Accepted: 02/15/2024] [Indexed: 03/13/2024] Open
Abstract
Vascular diseases pose major health challenges, and understanding their underlying molecular mechanisms is essential to advance therapeutic interventions. Cellular senescence, a hallmark of aging, is a cellular state characterized by cell-cycle arrest, a senescence-associated secretory phenotype macromolecular damage, and metabolic dysregulation. Vascular senescence has been demonstrated to play a key role in different vascular diseases, such as atherosclerosis, peripheral arterial disease, hypertension, stroke, diabetes, chronic venous disease, and venous ulcers. Even though cellular senescence was first described in 1961, significant gaps persist in comprehending the epigenetic mechanisms driving vascular senescence and its subsequent inflammatory response. Through a comprehensive analysis, we aim to elucidate these knowledge gaps by exploring the network of epigenetic alterations that contribute to vascular senescence. In addition, we describe the consequent inflammatory cascades triggered by these epigenetic modifications. Finally, we explore translational applications involving biomarkers of vascular senescence and the emerging field of senotherapy targeting this biological process.
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Affiliation(s)
- Oscar Fraile-Martinez
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, Alcala deHenares, Spain
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), Madrid, Spain
| | - Diego De Leon-Oliva
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, Alcala deHenares, Spain
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), Madrid, Spain
| | - Diego Liviu Boaru
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, Alcala deHenares, Spain
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), Madrid, Spain
| | - Patricia De Castro-Martinez
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, Alcala deHenares, Spain
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), Madrid, Spain
| | - Cielo Garcia-Montero
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, Alcala deHenares, Spain
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), Madrid, Spain
| | - Silvestra Barrena-Blázquez
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, Alcala deHenares, Spain
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), Madrid, Spain
| | - Joaquin García-García
- Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcalá, Alcala deHenares, Spain
| | - Natalio García-Honduvilla
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, Alcala deHenares, Spain
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), Madrid, Spain
| | - Melchor Alvarez-Mon
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, Alcala deHenares, Spain
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), Madrid, Spain
- Network Biomedical Research Center for Liver and Digestive Diseases (CIBEREHD), Madrid, Spain
- Immune System Diseases-Rheumatology, Oncology Service an Internal Medicine (CIBEREHD), University Hospital Príncipe de Asturias, Alcala deHenares, Spain
| | - Laura Lopez-Gonzalez
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), Madrid, Spain
- Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcalá, Alcala deHenares, Spain
| | - Raul Diaz-Pedrero
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), Madrid, Spain
- Department of Surgery, Medical and Social Sciences, Faculty of Medicine and Health Sciences, University of Alcalá, Alcala deHenares, Spain
- Department of General and Digestive Surgery, General and Digestive Surgery, Príncipe de Asturias Universitary Hospital, Alcala deHenares, Spain
| | - Luis G. Guijarro
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), Madrid, Spain
- Network Biomedical Research Center for Liver and Digestive Diseases (CIBEREHD), Madrid, Spain
- Department of General and Digestive Surgery, General and Digestive Surgery, Príncipe de Asturias Universitary Hospital, Alcala deHenares, Spain
- Unit of Biochemistry and Molecular Biology, Department of System Biology (CIBEREHD), University of Alcalá, Alcala deHenares, Spain
| | - Miguel A. Ortega
- Department of Medicine and Medical Specialities, Faculty of Medicine and Health Sciences, University of Alcalá, Alcala deHenares, Spain
- Ramón y Cajal Institute of Sanitary Research (IRYCIS), Madrid, Spain
- Network Biomedical Research Center for Liver and Digestive Diseases (CIBEREHD), Madrid, Spain
- Cancer Registry and Pathology Department, Principe de Asturias University Hospital, Alcala deHenares, Spain
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Zhu Y, Anastasiadis ZP, Espindola Netto JM, Evans T, Tchkonia T, Kirkland JL. Past and Future Directions for Research on Cellular Senescence. Cold Spring Harb Perspect Med 2024; 14:a041205. [PMID: 37734865 PMCID: PMC10835613 DOI: 10.1101/cshperspect.a041205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
Cellular senescence was initially described in the early 1960s by Hayflick and Moorehead. They noted sustained cell-cycle arrest after repeated subculturing of human primary cells. Over half a century later, cellular senescence has become recognized as one of the fundamental pillars of aging. Developing senotherapeutics, interventions that selectively eliminate or target senescent cells, has emerged as a key focus in health research. In this article, we note major milestones in cellular senescence research, discuss current challenges, and point to future directions for this rapidly growing field.
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Affiliation(s)
- Yi Zhu
- Department of Physiology and Biomedical Engineering, Department of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
- Robert and Arlene Kogod Center on Aging, Department of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Zacharias P Anastasiadis
- Department of Biochemistry and Molecular Biology, Department of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
| | | | - Tamara Evans
- Robert and Arlene Kogod Center on Aging, Department of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - Tamar Tchkonia
- Department of Physiology and Biomedical Engineering, Department of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
- Robert and Arlene Kogod Center on Aging, Department of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
| | - James L Kirkland
- Department of Physiology and Biomedical Engineering, Department of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
- Division of General Internal Medicine, Department of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA
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8
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Dong L, Wang Y, Chen H, Li Z, Xu X, Zhou J, Shen H, Chen Z. MTOR Suppresses Cigarette Smoke-Induced Airway Inflammation and MMP12 Expression in Macrophage in Chronic Obstructive Pulmonary Disease. Int J Chron Obstruct Pulmon Dis 2024; 19:269-279. [PMID: 38288346 PMCID: PMC10822769 DOI: 10.2147/copd.s426333] [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: 08/06/2023] [Accepted: 01/07/2024] [Indexed: 01/31/2024] Open
Abstract
Background Macrophage-derived matrix metalloproteinase 12 (MMP12) can cause destruction of lung tissue structure and plays a significant role in the development and progression of chronic obstructive pulmonary disease (COPD). MTOR is a serine/threonine kinase that plays a crucial role in cell growth and metabolism. The activity of MTOR in the lung tissues of COPD patients also shows significant changes. However, it is unclear whether MTOR can regulate the development and progression of COPD by controlling MMP12. This study primarily investigates whether MTOR in macrophages can affect the expression of MMP12 and participate in the progression of COPD. Methods We tested the changes in MTOR activity in macrophages exposed to cigarette smoke (CS) both in vivo and in vitro. Additionally, we observed the effect of MTOR on the expression of MMP12 in macrophages and on lung tissue inflammation and structural damage in mice, both in vivo and in vitro, using MTOR inhibitors or gene knockout mice. Finally, we combined inhibitor treatment with gene knockout to demonstrate that MTOR primarily mediates the expression of MMP12 through the NF-κB signaling pathway. Results Exposure to CS can enhance MTOR activity in mouse alveolar macrophages. Inhibiting the activity of MTOR or suppressing its expression leads to increased expression of MMP12. Myeloid-specific knockout of MTOR expression can promote the occurrence of CS-induced pulmonary inflammation and emphysema in mice. Inhibiting the activity of NF-κB can eliminate the effect of MTOR on MMP12. Conclusion Macrophage MTOR can reduce the expression of MMP12 by inhibiting NF-κB, thereby inhibiting the occurrence of COPD inflammation and destruction of lung tissue structure. Activating the activity of macrophage MTOR may be beneficial for the treatment of COPD.
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Affiliation(s)
- Lingling Dong
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Yong Wang
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Haipin Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Zhouyang Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Xuchen Xu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Jiesen Zhou
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Huahao Shen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou, People’s Republic of China
| | - Zhihua Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
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9
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De Luca SN, Vlahos R. Targeting accelerated pulmonary ageing to treat chronic obstructive pulmonary disease-induced neuropathological comorbidities. Br J Pharmacol 2024; 181:3-20. [PMID: 37828646 PMCID: PMC10952708 DOI: 10.1111/bph.16263] [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: 07/26/2023] [Revised: 09/06/2023] [Accepted: 09/27/2023] [Indexed: 10/14/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a major incurable health burden, ranking as the third leading cause of death worldwide, mainly driven by cigarette smoking. COPD is characterised by persistent airway inflammation, lung function decline and premature ageing with the presence of pulmonary senescent cells. This review proposes that cellular senescence, a state of stable cell cycle arrest linked to ageing, induced by inflammation and oxidative stress in COPD, extends beyond the lungs and affects the systemic circulation. This pulmonary senescent profile will reach other organs via extracellular vesicles contributing to brain inflammation and damage, and increasing the risk of neurological comorbidities, such as stroke, cerebral small vessel disease and Alzheimer's disease. The review explores the role of cellular senescence in COPD-associated brain conditions and investigates the relationship between cellular senescence and circadian rhythm in COPD. Additionally, it discusses potential therapies, including senomorphic and senolytic treatments, as novel strategies to halt or improve the progression of COPD.
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Affiliation(s)
- Simone N. De Luca
- Centre for Respiratory Science and Health, School of Health & Biomedical SciencesRMIT UniversityMelbourneVictoriaAustralia
| | - Ross Vlahos
- Centre for Respiratory Science and Health, School of Health & Biomedical SciencesRMIT UniversityMelbourneVictoriaAustralia
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10
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Lin SM, Rue R, Mukhitov AR, Goel A, Basil MC, Obraztsova K, Babu A, Crnkovic S, Ledwell OA, Ferguson LT, Planer JD, Nottingham AN, Vanka KS, Smith CJ, Cantu E, Kwapiszewska G, Morrisey EE, Evans JF, Krymskaya VP. Hyperactive mTORC1 in lung mesenchyme induces endothelial cell dysfunction and pulmonary vascular remodeling. J Clin Invest 2023; 134:e172116. [PMID: 38127441 PMCID: PMC10866655 DOI: 10.1172/jci172116] [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: 05/08/2023] [Accepted: 12/20/2023] [Indexed: 12/23/2023] Open
Abstract
Lymphangioleiomyomatosis (LAM) is a progressive cystic lung disease caused by tuberous sclerosis complex 1/2 (TSC1/2) gene mutations in pulmonary mesenchymal cells, resulting in activation of the mechanistic target of rapamycin complex 1 (mTORC1). A subset of patients with LAM develop pulmonary vascular remodeling and pulmonary hypertension. Little, however, is known regarding how LAM cells communicate with endothelial cells (ECs) to trigger vascular remodeling. In end-stage LAM lung explants, we identified EC dysfunction characterized by increased EC proliferation and migration, defective angiogenesis, and dysmorphic endothelial tube network formation. To model LAM disease, we used an mTORC1 gain-of-function mouse model with a Tsc2 KO (Tsc2KO) specific to lung mesenchyme (Tbx4LME-Cre Tsc2fl/fl), similar to the mesenchyme-specific genetic alterations seen in human disease. As early as 8 weeks of age, ECs from mice exhibited marked transcriptomic changes despite an absence of morphological changes to the distal lung microvasculature. In contrast, 1-year-old Tbx4LME-Cre Tsc2fl/fl mice spontaneously developed pulmonary vascular remodeling with increased medial thickness. Single-cell RNA-Seq of 1-year-old mouse lung cells identified paracrine ligands originating from Tsc2KO mesenchyme, which can signal through receptors in arterial ECs. These ECs had transcriptionally altered genes including those in pathways associated with blood vessel remodeling. The proposed pathophysiologic mesenchymal ligand-EC receptor crosstalk highlights the importance of an altered mesenchymal cell/EC axis in LAM and other hyperactive mTORC1-driven diseases. Since ECs in patients with LAM and in Tbx4LME-Cre Tsc2fl/fl mice did not harbor TSC2 mutations, our study demonstrates that constitutively active mTORC1 lung mesenchymal cells orchestrated dysfunctional EC responses that contributed to pulmonary vascular remodeling.
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Affiliation(s)
- Susan M. Lin
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
- Lung Biology Institute, and
| | - Ryan Rue
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
| | - Alexander R. Mukhitov
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
| | - Akansha Goel
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
| | - Maria C. Basil
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
- Lung Biology Institute, and
- Penn Cardiovascular Institute, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Kseniya Obraztsova
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
| | | | - Slaven Crnkovic
- Division of Physiology, Medical University of Graz, Graz, Austria
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
- Institute for Lung Health, Justus-Liebig University Giessen, Giessen, Germany
| | - Owen A. Ledwell
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
| | - Laura T. Ferguson
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
- Lung Biology Institute, and
| | - Joseph D. Planer
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
- Lung Biology Institute, and
| | - Ana N. Nottingham
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
- Lung Biology Institute, and
| | - Kanth Swaroop Vanka
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
| | - Carly J. Smith
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
| | - Edward Cantu
- Lung Biology Institute, and
- Department of Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Grazyna Kwapiszewska
- Division of Physiology, Medical University of Graz, Graz, Austria
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
- Institute for Lung Health, Justus-Liebig University Giessen, Giessen, Germany
| | - Edward E. Morrisey
- Lung Biology Institute, and
- Penn Cardiovascular Institute, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Jillian F. Evans
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
| | - Vera P. Krymskaya
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, Perelman School of Medicine
- Lung Biology Institute, and
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11
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Mason EC, Menon S, Schneider BR, Gaskill CF, Dawson MM, Moore CM, Armstrong LC, Cho O, Richmond BW, Kropski JA, West JD, Geraghty P, Gomperts BN, Ess KC, Gally F, Majka SM. Activation of mTOR signaling in adult lung microvascular progenitor cells accelerates lung aging. J Clin Invest 2023; 133:e171430. [PMID: 37874650 PMCID: PMC10721153 DOI: 10.1172/jci171430] [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: 04/12/2023] [Accepted: 10/20/2023] [Indexed: 10/26/2023] Open
Abstract
Reactivation and dysregulation of the mTOR signaling pathway are a hallmark of aging and chronic lung disease; however, the impact on microvascular progenitor cells (MVPCs), capillary angiostasis, and tissue homeostasis is unknown. While the existence of an adult lung vascular progenitor has long been hypothesized, these studies show that Abcg2 enriches for a population of angiogenic tissue-resident MVPCs present in both adult mouse and human lungs using functional, lineage, and transcriptomic analyses. These studies link human and mouse MVPC-specific mTORC1 activation to decreased stemness, angiogenic potential, and disruption of p53 and Wnt pathways, with consequent loss of alveolar-capillary structure and function. Following mTOR activation, these MVPCs adapt a unique transcriptome signature and emerge as a venous subpopulation in the angiodiverse microvascular endothelial subclusters. Thus, our findings support a significant role for mTOR in the maintenance of MVPC function and microvascular niche homeostasis as well as a cell-based mechanism driving loss of tissue structure underlying lung aging and the development of emphysema.
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Affiliation(s)
- Emma C. Mason
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, National Jewish Health, Denver, Colorado, USA
| | - Swapna Menon
- Pulmonary Vascular Research Institute Kochi and AnalyzeDat Consulting Services, Kerala, India
| | - Benjamin R. Schneider
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, National Jewish Health, Denver, Colorado, USA
| | - Christa F. Gaskill
- Department of Dermatology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Maggie M. Dawson
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, National Jewish Health, Denver, Colorado, USA
| | - Camille M. Moore
- Department of Immunology and Genomic Medicine, Center for Genes, Environment and Health, National Jewish Health, Denver, Colorado, USA
- Department of Biostatistics and Informatics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Laura Craig Armstrong
- Division of Pediatric Neurology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Okyong Cho
- Genomics and Microarray Core, University of Colorado Cancer Center, Anschutz Medical Center, Aurora, Colorado, USA
| | - Bradley W. Richmond
- Department of Medicine, Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center and Department of Veterans Affairs, Nashville, Tennessee, USA
| | - Jonathan A. Kropski
- Department of Medicine, Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center and Department of Veterans Affairs, Nashville, Tennessee, USA
| | - James D. West
- Department of Medicine, Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University Medical Center and Department of Veterans Affairs, Nashville, Tennessee, USA
| | - Patrick Geraghty
- Division of Pulmonary and Critical Care Medicine, SUNY Downstate Medical Center, Brooklyn, New York, USA
| | - Brigitte N. Gomperts
- Translational Research, UCLA Broad Stem Cell Research Center; Pediatrics Division of Pulmonary Medicine, University of California, Los Angeles, California, USA
| | - Kevin C. Ess
- Division of Pediatric Neurology, Department of Pediatrics, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Fabienne Gally
- Department of Immunology and Genomic Medicine, Center for Genes, Environment and Health, National Jewish Health, Denver, Colorado, USA
- Department of Biostatistics and Informatics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Susan M. Majka
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, National Jewish Health, Denver, Colorado, USA
- Gates Center for Regenerative Medicine and Stem Cell Biology, University of Colorado, Aurora, Colorado, USA
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12
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Palazzo A, Makulyte G, Goerhig D, Médard JJ, Gros V, Trottein F, Adnot S, Vindrieux D, Flaman JM, Bernard D. Benidipine calcium channel blocker promotes the death of cigarette smoke-induced senescent cells and improves lung emphysema. Aging (Albany NY) 2023; 15:13581-13592. [PMID: 38095616 PMCID: PMC10756105 DOI: 10.18632/aging.205259] [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: 04/25/2023] [Accepted: 10/03/2023] [Indexed: 12/21/2023]
Abstract
Smoking is the main risk factor for many lung diseases including chronic obstructive pulmonary disease. Cigarette smoke (CS) contains carcinogenic and reactive oxygen species that favor DNA mutations and perturb the homeostasis and environment of cells. CS induces lung cell senescence resulting in a stable proliferation arrest and a senescence-associated secretory phenotype. It was recently reported that senescent cell accumulation promotes several lung diseases. In this study, we performed a chemical screen, using an FDA-approved drug library, to identify compounds selectively promoting the death of CS-induced senescent lung cells. Aside from the well-known senolytic, ABT-263, we identified other potentially new senescence-eliminating compounds, including a new class of molecules, the dihydropyridine family of calcium voltage-gated channel (CaV) blockers. Among these blockers, Benidipine, decreased senescent lung cells and ameliorates lung emphysema in a mouse model. The dihydropyridine family of CaV blockers thus constitutes a new class of senolytics that could improve lung diseases. Hence, our work paves the way for further studies on the senolytic activity of CaV blockers in different senescence contexts and age-related diseases.
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Affiliation(s)
- Alberta Palazzo
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
- Equipe Labellisée la Ligue Contre le Cancer, Lyon, France
| | - Gabriela Makulyte
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
- Equipe Labellisée la Ligue Contre le Cancer, Lyon, France
| | - Delphine Goerhig
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
- Equipe Labellisée la Ligue Contre le Cancer, Lyon, France
| | - Jean-Jacques Médard
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
- Equipe Labellisée la Ligue Contre le Cancer, Lyon, France
| | - Vincent Gros
- Université Paris Est Créteil, INSERM U955, IMRB, Créteil F-94010, France
- AP-HP, Hôpital Henri Mondor, Département de Physiologie-Explorations Fonctionnelles and FHU Senec, Créteil F-94010, France
| | - François Trottein
- Université Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019 - UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille F-59000, France
| | - Serge Adnot
- Université Paris Est Créteil, INSERM U955, IMRB, Créteil F-94010, France
- AP-HP, Hôpital Henri Mondor, Département de Physiologie-Explorations Fonctionnelles and FHU Senec, Créteil F-94010, France
| | - David Vindrieux
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
- Equipe Labellisée la Ligue Contre le Cancer, Lyon, France
| | - Jean-Michel Flaman
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
- Equipe Labellisée la Ligue Contre le Cancer, Lyon, France
| | - David Bernard
- Centre de Recherche en Cancérologie de Lyon, Inserm U1052, CNRS UMR 5286, Centre Léon Bérard, Université de Lyon, Lyon, France
- Equipe Labellisée la Ligue Contre le Cancer, Lyon, France
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13
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Molnár AÁ, Pásztor DT, Tarcza Z, Merkely B. Cells in Atherosclerosis: Focus on Cellular Senescence from Basic Science to Clinical Practice. Int J Mol Sci 2023; 24:17129. [PMID: 38138958 PMCID: PMC10743093 DOI: 10.3390/ijms242417129] [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: 10/27/2023] [Revised: 11/30/2023] [Accepted: 12/03/2023] [Indexed: 12/24/2023] Open
Abstract
Aging is a major risk factor of atherosclerosis through different complex pathways including replicative cellular senescence and age-related clonal hematopoiesis. In addition to aging, extracellular stress factors, such as mechanical and oxidative stress, can induce cellular senescence, defined as premature cellular senescence. Senescent cells can accumulate within atherosclerotic plaques over time and contribute to plaque instability. This review summarizes the role of cellular senescence in the complex pathophysiology of atherosclerosis and highlights the most important senotherapeutics tested in cardiovascular studies targeting senescence. Continued bench-to-bedside research in cellular senescence might allow the future implementation of new effective anti-atherosclerotic preventive and treatment strategies in clinical practice.
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Affiliation(s)
- Andrea Ágnes Molnár
- Heart and Vascular Center, Semmelweis University, 1122 Budapest, Hungary; (D.T.P.); (Z.T.); (B.M.)
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14
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Liang Y, Huang P. Associations of telomere length with risk of mortality from influenza and pneumonia in US adults: a prospective cohort study of NHANES 1999-2002. Aging Clin Exp Res 2023; 35:3115-3125. [PMID: 37962763 DOI: 10.1007/s40520-023-02607-4] [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: 06/20/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023]
Abstract
BACKGROUND Due to the ongoing Coronavirus disease 2019 (COVID-19) pandemic, interest has arisen to realize the relationship between telomere length (TL) and influenza and pneumonia mortality. AIM Our study attempted to investigate this correlation by analyzing information gathered from the National Health and Nutrition Examination Survey (NHANES) 1999-2002. METHODS A total of 7229 participants were involved in the conducted research. We utilized Cox proportional risk model analysis to determine the hazard ratio (HR) and 95% confidence interval (CI) for TL and influenza and pneumonia mortality. RESULTS During the average follow-up time of 204.10 ± 51.26 months, 33 (0.45%) participants died from influenza and pneumonia. After adjusting for multiple variables, shorter TL was associated with higher influenza-pneumonia mortality. In subgroup analyses stratified by sex, men exhibited stronger associations with influenza-pneumonia mortality than women (Model 1: HRmale: 0.014 vs HRfemale: 0.054; Model 2: HRmale: 0.082 vs HRfemale: 0.890; Model 3: HRmale: 0.072 vs HRfemale: 0.776). For subgroup analyses by visceral adiposity index (VAI), all statistically significant (P < 0.05) models displayed an inverse relationship between TL and influenza and pneumonia mortality. CONCLUSIONS Our research provides further proof for the connection between shorter telomeres and higher influenza-pneumonia mortality. Larger prospective researches are essential to support our results and explain the underlying mechanisms.
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Affiliation(s)
- Yingshan Liang
- Guangzhou Hospital of Integrated Traditional and Western Medicine, Guangzhou, 510800, China.
| | - Peipei Huang
- Southern Medical University, Guangzhou, 510000, Guangdong, China
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15
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Hadzic S, Wu CY, Gredic M, Pak O, Loku E, Kraut S, Kojonazarov B, Wilhelm J, Brosien M, Bednorz M, Seimetz M, Günther A, Kosanovic D, Sommer N, Warburton D, Li X, Grimminger F, Ghofrani HA, Schermuly RT, Seeger W, El Agha E, Bellusci S, Weissmann N. Fibroblast growth factor 10 reverses cigarette smoke- and elastase-induced emphysema and pulmonary hypertension in mice. Eur Respir J 2023; 62:2201606. [PMID: 37884305 PMCID: PMC10632559 DOI: 10.1183/13993003.01606-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 08/28/2023] [Indexed: 10/28/2023]
Abstract
BACKGROUND COPD is an incurable disease and a leading cause of death worldwide. In mice, fibroblast growth factor (FGF)10 is essential for lung morphogenesis, and in humans, polymorphisms in the human FGF10 gene correlate with an increased susceptibility to develop COPD. METHODS We analysed FGF10 signalling in human lung sections and isolated cells from healthy donor, smoker and COPD lungs. The development of emphysema and PH was investigated in Fgf10+/- and Fgfr2b+/- (FGF receptor 2b) mice upon chronic exposure to cigarette smoke. In addition, we overexpressed FGF10 in mice following elastase- or cigarette smoke-induced emphysema and pulmonary hypertension (PH). RESULTS We found impaired FGF10 expression in human lung alveolar walls and in primary interstitial COPD lung fibroblasts. In contrast, FGF10 expression was increased in large pulmonary vessels in COPD lungs. Consequently, we identified impaired FGF10 signalling in alveolar walls as an integral part of the pathomechanism that leads to emphysema and PH development: mice with impaired FGF10 signalling (Fgf10+/- and Fgfr2b+/- ) spontaneously developed lung emphysema, PH and other typical pathomechanistic features that generally arise in response to cigarette smoke exposure. CONCLUSION In a therapeutic approach, FGF10 overexpression successfully restored lung alveolar and vascular structure in mice with established cigarette smoke- and elastase-induced emphysema and PH. FGF10 treatment triggered an initial increase in the number of alveolar type 2 cells that gradually returned to the basal level when the FGF10-mediated repair process progressed. Therefore, the application of recombinant FGF10 or stimulation of the downstream signalling cascade might represent a novel therapeutic strategy in the future.
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Affiliation(s)
- Stefan Hadzic
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - Cheng-Yu Wu
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - Marija Gredic
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - Oleg Pak
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - Edma Loku
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - Simone Kraut
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - Baktybek Kojonazarov
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig-University, Giessen, Germany
| | - Jochen Wilhelm
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig-University, Giessen, Germany
| | - Monika Brosien
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - Mariola Bednorz
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - Michael Seimetz
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - Andreas Günther
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - Djuro Kosanovic
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
- Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Natascha Sommer
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - David Warburton
- Children's Hospital Los Angeles, Los Angeles, CA, USA
- Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Xiaokun Li
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, P.R. China
| | - Friedrich Grimminger
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - Hossein A Ghofrani
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - Ralph T Schermuly
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
| | - Werner Seeger
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
- Max-Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Elie El Agha
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
- Institute for Lung Health (ILH), Justus-Liebig-University, Giessen, Germany
| | - Saverio Bellusci
- Oujiang Laboratory (Zheijiang Laboratory for Regenerative Medicine, Vision and Brain Health), School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, P.R. China
- Laboratory of Extracellular Matrix Remodelling, Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
- S. Bellusci and N. Weissmann contributed equally to this article as lead authors and supervised the work
| | - Norbert Weissmann
- Excellence Cluster Cardio-Pulmonary Institute (CPI), Universities of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Justus-Liebig-University, Giessen, Germany
- S. Bellusci and N. Weissmann contributed equally to this article as lead authors and supervised the work
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16
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Borek I, Birnhuber A, Voelkel NF, Marsh LM, Kwapiszewska G. The vascular perspective on acute and chronic lung disease. J Clin Invest 2023; 133:e170502. [PMID: 37581311 PMCID: PMC10425217 DOI: 10.1172/jci170502] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2023] Open
Abstract
The pulmonary vasculature has been frequently overlooked in acute and chronic lung diseases, such as acute respiratory distress syndrome (ARDS), pulmonary fibrosis (PF), and chronic obstructive pulmonary disease (COPD). The primary emphasis in the management of these parenchymal disorders has largely revolved around the injury and aberrant repair of epithelial cells. However, there is increasing evidence that the vascular endothelium plays an active role in the development of acute and chronic lung diseases. The endothelial cell network in the capillary bed and the arterial and venous vessels provides a metabolically highly active barrier that controls the migration of immune cells, regulates vascular tone and permeability, and participates in the remodeling processes. Phenotypically and functionally altered endothelial cells, and remodeled vessels, can be found in acute and chronic lung diseases, although to different degrees, likely because of disease-specific mechanisms. Since vascular remodeling is associated with pulmonary hypertension, which worsens patient outcomes and survival, it is crucial to understand the underlying vascular alterations. In this Review, we describe the current knowledge regarding the role of the pulmonary vasculature in the development and progression of ARDS, PF, and COPD; we also outline future research directions with the hope of facilitating the development of mechanism-based therapies.
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Affiliation(s)
- Izabela Borek
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
| | - Anna Birnhuber
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
- Otto Loewi Research Center, Division of Physiology and Pathophysiology, Medical University of Graz, Graz, Austria
| | - Norbert F. Voelkel
- Pulmonary Medicine Department, University of Amsterdam Medical Centers, Amsterdam, Netherlands
- Department of Pulmonary Medicine, Amsterdam Cardiovascular Sciences, Amsterdam University Medical Centers, Amsterdam, Netherlands
| | - Leigh M. Marsh
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
- Otto Loewi Research Center, Division of Physiology and Pathophysiology, Medical University of Graz, Graz, Austria
| | - Grazyna Kwapiszewska
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
- Otto Loewi Research Center, Division of Physiology and Pathophysiology, Medical University of Graz, Graz, Austria
- Institute for Lung Health, German Lung Center (DZL), Cardiopulmonary Institute, Giessen, Germany
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17
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Deng Y, Adam V, Nepovimova E, Heger Z, Valko M, Wu Q, Wei W, Kuca K. c-Jun N-terminal kinase signaling in cellular senescence. Arch Toxicol 2023; 97:2089-2109. [PMID: 37335314 DOI: 10.1007/s00204-023-03540-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 06/06/2023] [Indexed: 06/21/2023]
Abstract
Cellular senescence leads to decreased tissue regeneration and inflammation and is associated with diabetes, neurodegenerative diseases, and tumorigenesis. However, the mechanisms of cellular senescence are not fully understood. Emerging evidence has indicated that c-Jun N-terminal kinase (JNK) signaling is involved in the regulation of cellular senescence. JNK can downregulate hypoxia inducible factor-1α to accelerate hypoxia-induced neuronal cell senescence. The activation of JNK inhibits mTOR activity and triggers autophagy, which promotes cellular senescence. JNK can upregulate the expression of p53 and Bcl-2 and accelerates cancer cell senescence; however, this signaling also mediates the expression of amphiregulin and PD-LI to achieve cancer cell immune evasion and prevents their senescence. The activation of JNK further triggers forkhead box O expression and its target gene Jafrac1 to extend the lifespan of Drosophila. JNK can also upregulate the expression of DNA repair protein poly ADP-ribose polymerase 1 and heat shock protein to delay cellular senescence. This review discusses recent advances in understanding the function of JNK signaling in cellular senescence and includes a comprehensive analysis of the molecular mechanisms underlying JNK-mediated senescence evasion and oncogene-induced cellular senescence. We also summarize the research progress in anti-aging agents that target JNK signaling. This study will contribute to a better understanding of the molecular targets of cellular senescence and provides insights into anti-aging, which may be used to develop drugs for the treatment of aging-related diseases.
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Affiliation(s)
- Ying Deng
- College of Life Science, Yangtze University, Jingzhou, 434025, China
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, 613 00, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Brno, 602 00, Czech Republic
| | - Eugenie Nepovimova
- Department of Chemistry, Faculty of Science, University of Hradec Králové, 500 03, Hradec Králové, Czech Republic
| | - Zbynek Heger
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, 613 00, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Brno, 602 00, Czech Republic
| | - Marian Valko
- Faculty of Chemical and Food Technology, Slovak University of Technology, 812 37, Bratislava, Slovakia
| | - Qinghua Wu
- College of Life Science, Yangtze University, Jingzhou, 434025, China.
- Department of Chemistry, Faculty of Science, University of Hradec Králové, 500 03, Hradec Králové, Czech Republic.
| | - Wei Wei
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory of Traceability for Agricultural Genetically Modified Organisms, Ministry of Agriculture and Rural Affairs, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China.
| | - Kamil Kuca
- Department of Chemistry, Faculty of Science, University of Hradec Králové, 500 03, Hradec Králové, Czech Republic.
- Andalusian Research Institute in Data Science and Computational Intelligence (DaSCI), University of Granada, Granada, Spain.
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18
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Raby KL, Michaeloudes C, Tonkin J, Chung KF, Bhavsar PK. Mechanisms of airway epithelial injury and abnormal repair in asthma and COPD. Front Immunol 2023; 14:1201658. [PMID: 37520564 PMCID: PMC10374037 DOI: 10.3389/fimmu.2023.1201658] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 06/19/2023] [Indexed: 08/01/2023] Open
Abstract
The airway epithelium comprises of different cell types and acts as a physical barrier preventing pathogens, including inhaled particles and microbes, from entering the lungs. Goblet cells and submucosal glands produce mucus that traps pathogens, which are expelled from the respiratory tract by ciliated cells. Basal cells act as progenitor cells, differentiating into different epithelial cell types, to maintain homeostasis following injury. Adherens and tight junctions between cells maintain the epithelial barrier function and regulate the movement of molecules across it. In this review we discuss how abnormal epithelial structure and function, caused by chronic injury and abnormal repair, drives airway disease and specifically asthma and chronic obstructive pulmonary disease (COPD). In both diseases, inhaled allergens, pollutants and microbes disrupt junctional complexes and promote cell death, impairing the barrier function and leading to increased penetration of pathogens and a constant airway immune response. In asthma, the inflammatory response precipitates the epithelial injury and drives abnormal basal cell differentiation. This leads to reduced ciliated cells, goblet cell hyperplasia and increased epithelial mesenchymal transition, which contribute to impaired mucociliary clearance and airway remodelling. In COPD, chronic oxidative stress and inflammation trigger premature epithelial cell senescence, which contributes to loss of epithelial integrity and airway inflammation and remodelling. Increased numbers of basal cells showing deregulated differentiation, contributes to ciliary dysfunction and mucous hyperproduction in COPD airways. Defective antioxidant, antiviral and damage repair mechanisms, possibly due to genetic or epigenetic factors, may confer susceptibility to airway epithelial dysfunction in these diseases. The current evidence suggests that a constant cycle of injury and abnormal repair of the epithelium drives chronic airway inflammation and remodelling in asthma and COPD. Mechanistic understanding of injury susceptibility and damage response may lead to improved therapies for these diseases.
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Affiliation(s)
- Katie Louise Raby
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | | | - James Tonkin
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
- Department of Respiratory Medicine, Royal Brompton and Harefield Hospital, London, United Kingdom
| | - Kian Fan Chung
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
- Department of Respiratory Medicine, Royal Brompton and Harefield Hospital, London, United Kingdom
| | - Pankaj Kumar Bhavsar
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
- Department of Respiratory Medicine, Royal Brompton and Harefield Hospital, London, United Kingdom
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19
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Shaikh SB, Goracci C, Tjitropranoto A, Rahman I. Impact of aging on immune function in the pathogenesis of pulmonary diseases: potential for therapeutic targets. Expert Rev Respir Med 2023; 17:351-364. [PMID: 37078192 PMCID: PMC10330361 DOI: 10.1080/17476348.2023.2205127] [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: 10/06/2022] [Accepted: 04/17/2023] [Indexed: 04/21/2023]
Abstract
INTRODUCTION Several immunological alterations that occur during pulmonary diseases often mimic alterations observed in the aged lung. From the molecular perspective, pulmonary diseases and aging partake in familiar mechanisms associated with significant dysregulation of the immune systems. Here, we summarized the findings of how aging alters immunity to respiratory conditions to identify age-impacted pathways and mechanisms that contribute to the development of pulmonary diseases. AREAS COVERED The current review examines the impact of age-related molecular alterations in the aged immune system during various lung diseases, such as COPD, IPF, Asthma, and alongside many others that could possibly improve on current therapeutic interventions. Moreover, our increased understanding of this phenomenon may play a primary role in shaping immunomodulatory strategies to boost outcomes in the elderly. Here, the authors present new insights into the context of lung-related diseases and describe the alterations in the functioning of immune cells during various pulmonary conditions altered with age. EXPERT OPINION The expert opinion provided the concepts on how aging alters immunity during pulmonary conditions, and suggests the associated mechanisms during the development of lung diseases. As a result, it becomes important to comprehend the complex mechanism of aging in the immune lung system.
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Affiliation(s)
- Sadiya Bi Shaikh
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Chiara Goracci
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - Ariel Tjitropranoto
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Irfan Rahman
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, NY, USA
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20
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Barnes PJ. Senotherapy for lung diseases. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2023; 98:249-271. [PMID: 37524489 DOI: 10.1016/bs.apha.2023.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
Increasing evidence suggests that there is acceleration of lung ageing in chronic lung diseases, such as chronic obstructive pulmonary disease (COPD) and idiopathic pulmonary fibrosis (IPF), with the accumulation of senescent cells in the lung. Senescent cells fail to repair tissue damage and release an array of inflammatory proteins, known as the senescence-associated secretory phenotype, which drive further senescence and disease progression. This suggests that targeting cellular senescence with senotherapies may treat the underlying disease process in COPD and IPF and thus reduce disease progression and mortality. Several existing or future drugs may inhibit the development of cellular senescence which is driven by chronic oxidative stress (senostatics), including inhibitors of PI3K-mTOR signalling pathways, antagomirs of critical microRNAs and novel antioxidants. Other drugs (senolytics) selectively remove senescent cells by promoting apoptosis. Clinical studies with senotherapies are already underway in chronic lung diseases.
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Affiliation(s)
- Peter J Barnes
- National Heart & Lung Institute, Imperial College London, United Kingdom.
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21
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Born E, Lipskaia L, Breau M, Houssaini A, Beaulieu D, Marcos E, Pierre R, Do Cruzeiro M, Lefevre M, Derumeaux G, Bulavin DV, Delcroix M, Quarck R, Reen V, Gil J, Bernard D, Flaman JM, Adnot S, Abid S. Eliminating Senescent Cells Can Promote Pulmonary Hypertension Development and Progression. Circulation 2023; 147:650-666. [PMID: 36515093 DOI: 10.1161/circulationaha.122.058794] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Senescent cells (SCs) are involved in proliferative disorders, but their role in pulmonary hypertension remains undefined. We investigated SCs in patients with pulmonary arterial hypertension and the role of SCs in animal pulmonary hypertension models. METHODS We investigated senescence (p16, p21) and DNA damage (γ-H2AX, 53BP1) markers in patients with pulmonary arterial hypertension and murine models. We monitored p16 activation by luminescence imaging in p16-luciferase (p16LUC/+) knock-in mice. SC clearance was obtained by a suicide gene (p16 promoter-driven killer gene construct in p16-ATTAC mice), senolytic drugs (ABT263 and cell-permeable FOXO4-p53 interfering peptide [FOXO4-DRI]), and p16 inactivation in p16LUC/LUC mice. We investigated pulmonary hypertension in mice exposed to normoxia, chronic hypoxia, or hypoxia+Sugen, mice overexpressing the serotonin transporter (SM22-5-HTT+), and rats given monocrotaline. RESULTS Patients with pulmonary arterial hypertension compared with controls exhibited high lung p16, p21, and γ-H2AX protein levels, with abundant vascular cells costained for p16, γ-H2AX, and 53BP1. Hypoxia increased thoracic bioluminescence in p16LUC/+ mice. In wild-type mice, hypoxia increased lung levels of senescence and DNA-damage markers, senescence-associated secretory phenotype components, and p16 staining of pulmonary endothelial cells (P-ECs, 30% of lung SCs in normoxia), and pulmonary artery smooth muscle cells. SC elimination by suicide gene or ABT263 increased the right ventricular systolic pressure and hypertrophy index, increased vessel remodeling (higher dividing proliferating cell nuclear antigen-stained vascular cell counts during both normoxia and hypoxia), and markedly decreased lung P-ECs. Pulmonary hemodynamic alterations and lung P-EC loss occurred in older p16LUC/LUC mice, wild-type mice exposed to Sugen or hypoxia+Sugen, and SM22-5-HTT+ mice given either ABT263 or FOXO4-DRI, compared with relevant controls. The severity of monocrotaline-induced pulmonary hypertension in rats was decreased slightly by ABT263 for 1 week but was aggravated at 3 weeks, with loss of P-ECs. CONCLUSIONS Elimination of senescent P-ECs by senolytic interventions may worsen pulmonary hemodynamics. These results invite consideration of the potential impact on pulmonary vessels of strategies aimed at controlling cell senescence in various contexts.
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Affiliation(s)
- Emmanuelle Born
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, FHU SENEC, AP-HP, Créteil, France; Université Paris-Est Créteil (UPEC), France (E.B., L.L., M.B., A.H., D.P.B., E.M., G.D., S. Adnot, S. Abid)
| | - Larissa Lipskaia
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, FHU SENEC, AP-HP, Créteil, France; Université Paris-Est Créteil (UPEC), France (E.B., L.L., M.B., A.H., D.P.B., E.M., G.D., S. Adnot, S. Abid)
| | - Marielle Breau
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, FHU SENEC, AP-HP, Créteil, France; Université Paris-Est Créteil (UPEC), France (E.B., L.L., M.B., A.H., D.P.B., E.M., G.D., S. Adnot, S. Abid)
| | - Amal Houssaini
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, FHU SENEC, AP-HP, Créteil, France; Université Paris-Est Créteil (UPEC), France (E.B., L.L., M.B., A.H., D.P.B., E.M., G.D., S. Adnot, S. Abid)
| | - Delphine Beaulieu
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, FHU SENEC, AP-HP, Créteil, France; Université Paris-Est Créteil (UPEC), France (E.B., L.L., M.B., A.H., D.P.B., E.M., G.D., S. Adnot, S. Abid).,Centre de Recherche en Cancérologie de Lyon, UMR INSERM U1052/CNRS 5286, Université de Lyon, Centre Léon Bérard, France (D.B., J.-M.F.)
| | - Elisabeth Marcos
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, FHU SENEC, AP-HP, Créteil, France; Université Paris-Est Créteil (UPEC), France (E.B., L.L., M.B., A.H., D.P.B., E.M., G.D., S. Adnot, S. Abid)
| | - Remi Pierre
- Plate-forme de Recombinaison Homologue, Institut Cochin, INSERM, Paris, France (R.P., M.D.-C.)
| | - Marcio Do Cruzeiro
- Plate-forme de Recombinaison Homologue, Institut Cochin, INSERM, Paris, France (R.P., M.D.-C.)
| | - Marine Lefevre
- Institut Mutualiste Montsouris, Département anatomopathologie, Paris, France (M.L.)
| | - Genevieve Derumeaux
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, FHU SENEC, AP-HP, Créteil, France; Université Paris-Est Créteil (UPEC), France (E.B., L.L., M.B., A.H., D.P.B., E.M., G.D., S. Adnot, S. Abid)
| | - Dmitry V Bulavin
- Institute for Research on Cancer and Aging, Nice (IRCAN), France (D.V.B.)
| | - Marion Delcroix
- Clinical Department of Respiratory Diseases, University Hospitals and Laboratory of Respiratory Diseases & Thoracic Surgery (BREATHE), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven-University of Leuven, Belgium (M.D., R.Q.)
| | - Rozenn Quarck
- Clinical Department of Respiratory Diseases, University Hospitals and Laboratory of Respiratory Diseases & Thoracic Surgery (BREATHE), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven-University of Leuven, Belgium (M.D., R.Q.)
| | - Virinder Reen
- MRC London Institute of Medical Sciences (LMS), United Kingdom (V.R., J.G.).,Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, United Kingdom (V.R., J.G.)
| | - Jesus Gil
- MRC London Institute of Medical Sciences (LMS), United Kingdom (V.R., J.G.).,Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, United Kingdom (V.R., J.G.)
| | - David Bernard
- Centre de Recherche en Cancérologie de Lyon, UMR INSERM U1052/CNRS 5286, Université de Lyon, Centre Léon Bérard, France (D.B., J.-M.F.)
| | - Jean-Michel Flaman
- Centre de Recherche en Cancérologie de Lyon, UMR INSERM U1052/CNRS 5286, Université de Lyon, Centre Léon Bérard, France (D.B., J.-M.F.)
| | - Serge Adnot
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, FHU SENEC, AP-HP, Créteil, France; Université Paris-Est Créteil (UPEC), France (E.B., L.L., M.B., A.H., D.P.B., E.M., G.D., S. Adnot, S. Abid).,Institute for Lung Health, Justus Liebig University, Giessen, Germany (S. Adnot).,Medical Research Center, Liaquat University of Medical and Health Sciences, Jamshoro, Pakistan (S. Abid)
| | - Shariq Abid
- INSERM U955 and Département de Physiologie, Hôpital Henri Mondor, FHU SENEC, AP-HP, Créteil, France; Université Paris-Est Créteil (UPEC), France (E.B., L.L., M.B., A.H., D.P.B., E.M., G.D., S. Adnot, S. Abid)
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22
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Blagosklonny MV. Cellular senescence: when growth stimulation meets cell cycle arrest. Aging (Albany NY) 2023; 15:905-913. [PMID: 36805938 PMCID: PMC10008486 DOI: 10.18632/aging.204543] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 02/16/2023] [Indexed: 02/21/2023]
Abstract
At the very moment of cell-cycle arrest, the cell is not senescent yet. For several days in cell culture, the arrested cell is acquiring a senescent phenotype. What is happening during this geroconversion? Cellular enlargement (hypertrophy) and hyperfunctions (lysosomal and hyper-secretory) are hallmarks of geroconversion.
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23
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Pulmonary Vascular Remodeling in Pulmonary Hypertension. J Pers Med 2023; 13:jpm13020366. [PMID: 36836600 PMCID: PMC9967990 DOI: 10.3390/jpm13020366] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 02/14/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
Pulmonary vascular remodeling is the critical structural alteration and pathological feature in pulmonary hypertension (PH) and involves changes in the intima, media and adventitia. Pulmonary vascular remodeling consists of the proliferation and phenotypic transformation of pulmonary artery endothelial cells (PAECs) and pulmonary artery smooth muscle cells (PASMCs) of the middle membranous pulmonary artery, as well as complex interactions involving external layer pulmonary artery fibroblasts (PAFs) and extracellular matrix (ECM). Inflammatory mechanisms, apoptosis and other factors in the vascular wall are influenced by different mechanisms that likely act in concert to drive disease progression. This article reviews these pathological changes and highlights some pathogenetic mechanisms involved in the remodeling process.
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24
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Faherty L, Kenny S, Cloonan SM. Iron and mitochondria in the susceptibility, pathogenesis and progression of COPD. Clin Sci (Lond) 2023; 137:219-237. [PMID: 36729089 DOI: 10.1042/cs20210504] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/22/2022] [Accepted: 01/04/2023] [Indexed: 02/03/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) is a debilitating lung disease characterised by airflow limitation, chronic bronchitis, emphysema and airway remodelling. Cigarette smoke is considered the primary risk factor for the development of COPD; however, genetic factors, host responses and infection also play an important role. Accumulating evidence highlights a role for iron dyshomeostasis and cellular iron accumulation in the lung as a key contributing factor in the development and pathogenesis of COPD. Recent studies have also shown that mitochondria, the central players in cellular iron utilisation, are dysfunctional in respiratory cells in individuals with COPD, with alterations in mitochondrial bioenergetics and dynamics driving disease progression. Understanding the molecular mechanisms underlying the dysfunction of mitochondria and cellular iron metabolism in the lung may unveil potential novel investigational avenues and therapeutic targets to aid in the treatment of COPD.
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Affiliation(s)
- Lynne Faherty
- School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland
| | - Sarah Kenny
- School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland
| | - Suzanne M Cloonan
- School of Medicine, Trinity Biomedical Sciences Institute, Trinity College Dublin, Ireland
- Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, New York, NY, U.S.A
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25
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Role of cellular senescence in inflammatory lung diseases. Cytokine Growth Factor Rev 2023; 70:26-40. [PMID: 36797117 DOI: 10.1016/j.cytogfr.2023.02.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/05/2023] [Accepted: 02/09/2023] [Indexed: 02/16/2023]
Abstract
Cellular senescence, a characteristic sign of aging, classically refers to permanent cell proliferation arrest and is a vital contributor to the pathogenesis of cancer and age-related illnesses. A lot of imperative scientific research has shown that senescent cell aggregation and the release of senescence-associated secretory phenotype (SASP) components can cause lung inflammatory diseases as well. In this study, the most recent scientific progress on cellular senescence and phenotypes was reviewed, including their impact on lung inflammation and the contributions of these findings to understanding the underlying mechanisms and clinical relevance of cell and developmental biology. Within a dozen pro-senescent stimuli, the irreparable DNA damage, oxidative stress, and telomere erosion are all crucial in the long-term accumulation of senescent cells, resulting in sustained inflammatory stress activation in the respiratory system. An emerging role for cellular senescence in inflammatory lung diseases was proposed in this review, followed by the identification of the main ambiguities, thus further understanding this event and the potential to control cellular senescence and pro-inflammatory response activation. In addition, novel therapeutic strategies for the modulation of cellular senescence that might help to attenuate inflammatory lung conditions and improve disease outcomes were also presented in this research.
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26
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Tu M, Wei T, Jia Y, Wang Y, Wu J. Molecular mechanisms of alveolar epithelial cell senescence and idiopathic pulmonary fibrosis: a narrative review. J Thorac Dis 2023; 15:186-203. [PMID: 36794134 PMCID: PMC9922607 DOI: 10.21037/jtd-22-886] [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: 06/25/2022] [Accepted: 11/25/2022] [Indexed: 12/29/2022]
Abstract
Background and Objective Idiopathic pulmonary fibrosis (IPF) is a chronic progressive interstitial pneumonia of unknown etiology. An increasing number of studies have reported that the incidence of IPF increases with age. Simultaneously, the number of senescent cells increased in IPF. Epithelial cell senescence, an important component of epithelial cell dysfunction, plays a key role in IPF pathogenesis. This article summarizes the molecular mechanisms associated with alveolar epithelial cell senescence and recent advances in the applications of drugs targeting pulmonary epithelial cell senescence to explore novel therapeutic approaches for the treatment of pulmonary fibrosis. Methods All literature published in English on PubMed, Web of Science, and Google Scholar were electronically searched online using the following keyword combinations: aging, alveolar epithelial cell, cell senescence, idiopathic pulmonary fibrosis, WNT/β-catenin, phosphatidylinositol-3-kinase/protein kinase B (PI3K/Akt), mammalian target of rapamycin (mTOR), and nuclear factor kappa B (NF-κB). Key Content and Findings We focused on signaling pathways associated with alveolar epithelial cell senescence in IPF, including WNT/β-catenin, PI3K/Akt, NF-κB, and mTOR signaling pathways. Some of these signaling pathways are involved in alveolar epithelial cell senescence by affecting cell cycle arrest and secretion of senescence-associated secretory phenotype-associated markers. We also found that changes in lipid metabolism in alveolar epithelial cells can be induced by mitochondrial dysfunction, both of which contribute to cellular senescence and development of IPF. Conclusions Decreasing senescent alveolar epithelial cells may be a promising strategy for the treatment of IPF. Therefore, further investigations into new treatments of IPF by applying inhibitors of relevant signaling pathways, as well as senolytic drugs, are warranted.
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Affiliation(s)
- Mingjin Tu
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China;,Department of Biochemistry and Molecular Biology, Guangdong Medical University, Zhanjiang, China;,Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang), Zhanjiang, China;,Peptide and Protein Research and Application Key Laboratory of Guangdong Medical University, Zhanjiang, China
| | - Ting Wei
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China;,Department of Biochemistry and Molecular Biology, Guangdong Medical University, Zhanjiang, China;,Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang), Zhanjiang, China;,Peptide and Protein Research and Application Key Laboratory of Guangdong Medical University, Zhanjiang, China
| | - Yufang Jia
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China;,Department of Biochemistry and Molecular Biology, Guangdong Medical University, Zhanjiang, China;,Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang), Zhanjiang, China;,Peptide and Protein Research and Application Key Laboratory of Guangdong Medical University, Zhanjiang, China
| | - Yajun Wang
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China;,Department of Biochemistry and Molecular Biology, Guangdong Medical University, Zhanjiang, China;,Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang), Zhanjiang, China;,Peptide and Protein Research and Application Key Laboratory of Guangdong Medical University, Zhanjiang, China;,Shunde Women and Children’s Hospital, Guangdong Medical University, Foshan, China
| | - Jun Wu
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Guangdong Medical University, Zhanjiang, China;,Department of Biochemistry and Molecular Biology, Guangdong Medical University, Zhanjiang, China;,Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang), Zhanjiang, China;,Peptide and Protein Research and Application Key Laboratory of Guangdong Medical University, Zhanjiang, China
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27
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Wang Z, Ma Y, Chen Z, Yang R, Liu Q, Pan J, Wang J, Liu Y, Zhou M, Zhang Y, Zhou Y, Yang S, Zou B, Lin J, Cai Y, Jiang Z, Zhou Z, Zhao Z. COVID-19 inhibits spermatogenesis in the testes by inducing cellular senescence. Front Genet 2023; 13:981471. [PMID: 36685935 PMCID: PMC9849386 DOI: 10.3389/fgene.2022.981471] [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: 08/04/2022] [Accepted: 12/19/2022] [Indexed: 01/07/2023] Open
Abstract
Introduction: COVID-19 (SARS-CoV-2) has been linked to organ damage in humans since its worldwide outbreak. It can also induce severe sperm damage, according to research conducted at numerous clinical institutions. However, the exact mechanism of damage is still unknown. Methods: In this study, testicular bulk-RNA-seq Data were downloaded from three COVID-19 patients and three uninfected controls from GEO to evaluate the effect of COVID-19 infection on spermatogenesis. Relative expression of each pathway and the correlation between genes or pathways were analyzed by bioinformatic methods. Results: By detecting the relative expression of each pathway and the correlation between genes or pathways, we found that COVID-19 could induce testicular cell senescence through MAPK signaling pathway. Cellular senescence was synergistic with MAPK pathway, which further affected the normal synthesis of cholesterol and androgen, inhibited the normal synthesis of lactate and pyruvate, and ultimately affected spermatogenesis. The medications targeting MAPK signaling pathway, especially MAPK1 and MAPK14, are expected to be effective therapeutic medications for reducing COVID-19 damage to spermatogenesis. Conclusion: These results give us a new understanding of how COVID-19 inhibits spermatogenesis and provide a possible solution to alleviate this damage.
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Endothelial senescence in vascular diseases: current understanding and future opportunities in senotherapeutics. Exp Mol Med 2023; 55:1-12. [PMID: 36599934 PMCID: PMC9898542 DOI: 10.1038/s12276-022-00906-w] [Citation(s) in RCA: 35] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 10/25/2022] [Accepted: 10/31/2022] [Indexed: 01/05/2023] Open
Abstract
Senescence compromises the essential role that the endothelium plays in maintaining vascular homeostasis, so promoting endothelial dysfunction and the development of age-related vascular diseases. Their biological and clinical significance calls for strategies for identifying and therapeutically targeting senescent endothelial cells. While senescence and endothelial dysfunction have been studied extensively, distinguishing what is distinctly endothelial senescence remains a barrier to overcome for an effective approach to addressing it. Here, we review the mechanisms underlying endothelial senescence and the evidence for its clinical importance. Furthermore, we discuss the current state and the limitations in the approaches for the detection and therapeutic intervention of target cells, suggesting potential directions for future research.
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Eckhardt CM, Gambazza S, Bloomquist TR, De Hoff P, Vuppala A, Vokonas PS, Litonjua AA, Sparrow D, Parvez F, Laurent LC, Schwartz J, Baccarelli AA, Wu H. Extracellular Vesicle-Encapsulated microRNAs as Novel Biomarkers of Lung Health. Am J Respir Crit Care Med 2023; 207:50-59. [PMID: 35943330 PMCID: PMC9952856 DOI: 10.1164/rccm.202109-2208oc] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 08/08/2022] [Indexed: 02/03/2023] Open
Abstract
Rationale: Early detection of respiratory diseases is critical to facilitate delivery of disease-modifying interventions. Extracellular vesicle-enriched microRNAs (EV-miRNAs) may represent reliable markers of early lung injury. Objectives: Evaluate associations of plasma EV-miRNAs with lung function. Methods: The prospective NAS (Normative Aging Study) collected plasma EV-miRNA measurements from 1996-2015 and spirometry every 3-5 years through 2019. Associations of EV-miRNAs with baseline lung function were modeled using linear regression. To complement the individual miRNA approach, unsupervised machine learning was used to identify clusters of participants with distinct EV-miRNA profiles. Associations of EV-miRNA profiles with multivariate latent longitudinal lung function trajectories were modeled using log binomial regression. Biological functions of significant EV-miRNAs were explored using pathway analyses. Results were replicated in an independent sample of NAS participants and in the HEALS (Health Effects of Arsenic Longitudinal Study). Measurements and Main Results: In the main cohort of 656 participants, 51 plasma EV-miRNAs were associated with baseline lung function (false discovery rate-adjusted P value < 0.05), 28 of which were replicated in the independent NAS sample and/or in the HEALS cohort. A subset of participants with distinct EV-miRNA expression patterns had increased risk of declining lung function over time, which was replicated in the independent NAS sample. Significant EV-miRNAs were shown in pathway analyses to target biological pathways that regulate respiratory cellular immunity, the lung inflammatory response, and airway structural integrity. Conclusions: Plasma EV-miRNAs may represent a robust biomarker of subclinical lung injury and may facilitate early identification and treatment of patients at risk of developing overt lung disease.
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Affiliation(s)
- Christina M. Eckhardt
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, Irving Medical Center, New York, New York
| | - Simone Gambazza
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milan, Italy
- Healthcare Professions Department, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico, Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Tessa R. Bloomquist
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York
| | - Peter De Hoff
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Diego, La Jolla, California
| | - Aishwarya Vuppala
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Diego, La Jolla, California
| | - Pantel S. Vokonas
- Veterans Affairs Normative Aging Study, Veterans Affairs Boston Healthcare System, Boston, Massachusetts
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Augusto A. Litonjua
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York; and
| | - David Sparrow
- Veterans Affairs Normative Aging Study, Veterans Affairs Boston Healthcare System, Boston, Massachusetts
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts
| | - Faruque Parvez
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York
| | - Louise C. Laurent
- Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Diego, La Jolla, California
| | - Joel Schwartz
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Andrea A. Baccarelli
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York
| | - Haotian Wu
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York
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30
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Xiaofei Y, Tingting L, Xuan W, Zhiyi H. Erythromycin attenuates oxidative stress-induced cellular senescence via the PI3K-mTOR signaling pathway in chronic obstructive pulmonary disease. Front Pharmacol 2022; 13:1043474. [PMID: 36506578 PMCID: PMC9727195 DOI: 10.3389/fphar.2022.1043474] [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: 09/13/2022] [Accepted: 11/08/2022] [Indexed: 11/24/2022] Open
Abstract
Background and Purpose: Chronic obstructive pulmonary disease (COPD) is proposed to hasten lung aging. Erythromycin protects against oxidative stress and inflammatory responses. However, the potential anti-senescence effect of erythromycin remains disclosed. In the present study, we investigated whether erythromycin influenced oxidative stress-induced cellular senescence and investigated its related mechanisms. Methods: A cigarrete smoke (CS) -induced emphysema mouse model and a H2O2-induced premature senescence model in human bronchial epithelial cell line (BEAS-2B) were established. Senescence-related markers (P53, P21 and SA-β-Gal activity), and levels of oxidative stress biomarkers (MDA, SOD and ROS) were measured. Additionally, cells were pretreated with rapamycin (mTOR inhibitor) or erythromycin, and the expression levels of components of the PI3K-mTOR signaling pathway were measured in BEAS-2B cells. Results: Exposed to H2O2, increased SA-β-gal activity was observed in BEAS-2B cells suggesting premature senescence. Erythromycin inhibited the expression of P53 and P21 in the CS-induced emphysema mouse model. MDA levels significantly increased and SOD levels decreased in the CS-exposed mice and H2O2-induced BEAS-2B cells. Rapamycin and erythromycin significantly suppressed the expression of P53 and P21. Additionally, rapamycin and erythromycin inhibited the PI3K-mTOR signaling pathway. Conclusion: Our findings suggest that erythromycin ameliorates oxidative stress-induced cellular senescence via the PI3K-mTOR signaling pathway. Hence, we establish a theoretical foundation for the clinical application of erythromycin for COPD prevention and treatment.
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31
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Li MY, Qin YQ, Tian YG, Li KC, Oliver BG, Liu XF, Zhao P, Li JS. Effective-component compatibility of Bufei Yishen formula III ameliorated COPD by improving airway epithelial cell senescence by promoting mitophagy via the NRF2/PINK1 pathway. BMC Pulm Med 2022; 22:434. [DOI: 10.1186/s12890-022-02191-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 09/26/2022] [Indexed: 11/24/2022] Open
Abstract
Abstract
Background
Effective-component compatibility of Bufei Yishen formula III (ECC-BYF III) demonstrates positive effects on stable chronic obstructive pulmonary disease (COPD).
Purpose
To investigate the mechanisms of ECC-BYF III on COPD rats from the aspect of airway epithelial cell senescence.
Methods
COPD model rats (Sprague-Dawley rat) were treated with ECC-BYF III for 8 weeks, and the efficacy was evaluated. Cigarette smoke extract (CSE)-induced senescence model of airway epithelial cells was treated with ECC-BYF III, and related enzymes and proteins involved in oxidative stress and mitophagy were detected.
Results
ECC-BYF III markedly rescued pulmonary function and histopathological changes, which might be associated with the amelioration of lung senescence, including the reduction of malondialdehyde (MDA) and tumor necrosis factor-α (TNF-α), interleukin (IL)-6 and matrix metalloproteinase (MMP)-9 levels, increase of the level in total superoxide dismutase (T-SOD), and decease in the p21 level in the airways. Furthermore, ECC-BYF III suppressed p16 and p21 expressions and senescence-associated β-galactosidase (SA-β-Gal) in CSE-induced airway epithelial cells. Moreover, ECC-BYF III upregulated mitophagy-related proteins, including the co-localizations of TOM20 and LC3B, PINK1 and PARK2, and improved mitochondrial function by upregulating mitochondrial mitofusin (MFN)2 and reducing dynamin-related protein 1 (DRP1) expression. ECC-BYF III enhanced the activities of T-SOD and GSH-PX by up-regulating NRF2, thus inhibiting oxidative stress. After intervention with NRF2 inhibitor, the regulation effects of ECC-BYF III on oxidative stress, mitophagy and senescence in airway epithelial cells were significantly suppressed.
Conclusions
ECC-BYF III exerts beneficial effects on COPD rats by ameliorating airway epithelial cell senescence, which is mediated by inhibiting oxidative stress and subsequently enhancing mitophagy through the activation of NRF2 signaling.
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32
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Li CX, Gao J, Sköld CM, Wheelock ÅM. miRNA-mRNA-protein dysregulated network in COPD in women. Front Genet 2022; 13:1010048. [PMID: 36468026 PMCID: PMC9712209 DOI: 10.3389/fgene.2022.1010048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 10/10/2022] [Indexed: 10/14/2023] Open
Abstract
Rationale: Chronic obstructive pulmonary disease (COPD) is a complex disease caused by a multitude of underlying mechanisms, and molecular mechanistic modeling of COPD, especially at a multi-molecular level, is needed to facilitate the development of molecular diagnostic and prognostic tools and efficacious treatments. Objectives: To investigate the miRNA-mRNA-protein dysregulated network to facilitate prediction of biomarkers and disease subnetwork in COPD in women. Measurements and Results: Three omics data blocks (mRNA, miRNA, and protein) collected from BAL cells from female current-smoker COPD patients, smokers with normal lung function, and healthy never-smokers were integrated with miRNA-mRNA-protein regulatory networks to construct a COPD-specific dysregulated network. Furthermore, downstream network topology, literature annotation, and functional enrichment analysis identified both known and novel disease-related biomarkers and pathways. Both abnormal regulations in miRNA-induced mRNA transcription and protein translation repression play roles in COPD. Finally, the let-7-AIFM1-FKBP1A pathway is highlighted in COPD pathology. Conclusion: For the first time, a comprehensive miRNA-mRNA-protein dysregulated network of primary immune cells from the lung related to COPD in females was constructed to elucidate specific biomarkers and disease pathways. The multi-omics network provides a new molecular insight from a multi-molecular aspect and highlights dysregulated interactions. The highlighted let-7-AIFM1-FKBP1A pathway also indicates new hypotheses of COPD pathology.
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Affiliation(s)
- Chuan Xing Li
- Respiratory Medicine Unit, Department of Medicine, Centre for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Jing Gao
- Respiratory Medicine Unit, Department of Medicine, Centre for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
- Heart and Lung Centre, Department of Pulmonary Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - C. Magnus Sköld
- Respiratory Medicine Unit, Department of Medicine, Centre for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Respiratory Medicine and Allergy, Karolinska University Hospital, Stockholm, Sweden
| | - Åsa M. Wheelock
- Respiratory Medicine Unit, Department of Medicine, Centre for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Respiratory Medicine and Allergy, Karolinska University Hospital, Stockholm, Sweden
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33
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Zhang W, Wendt C, Bowler R, Hersh CP, Safo SE. Robust integrative biclustering for multi-view data. Stat Methods Med Res 2022; 31:2201-2216. [PMID: 36113157 PMCID: PMC10153449 DOI: 10.1177/09622802221122427] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In many biomedical research, multiple views of data (e.g. genomics, proteomics) are available, and a particular interest might be the detection of sample subgroups characterized by specific groups of variables. Biclustering methods are well-suited for this problem as they assume that specific groups of variables might be relevant only to specific groups of samples. Many biclustering methods exist for detecting row-column clusters in a view but few methods exist for data from multiple views. The few existing algorithms are heavily dependent on regularization parameters for getting row-column clusters, and they impose unnecessary burden on users thus limiting their use in practice. We extend an existing biclustering method based on sparse singular value decomposition for single-view data to data from multiple views. Our method, integrative sparse singular value decomposition (iSSVD), incorporates stability selection to control Type I error rates, estimates the probability of samples and variables to belong to a bicluster, finds stable biclusters, and results in interpretable row-column associations. Simulations and real data analyses show that integrative sparse singular value decomposition outperforms several other single- and multi-view biclustering methods and is able to detect meaningful biclusters. iSSVD is a user-friendly, computationally efficient algorithm that will be useful in many disease subtyping applications.
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Affiliation(s)
- Weijie Zhang
- Division of Biostatistics, 5635University of Minnesota, MN, USA
| | - Christine Wendt
- Division of Pulmonary, Allergy and Critical Care, 5635University of Minnesota, MN, USA
| | - Russel Bowler
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, 551774National Jewish Health, Denver, USA
| | - Craig P Hersh
- Channing Division of Network Medicine, Brigham and Women's Hospital, 1811Harvard Medical School, USA
| | - Sandra E Safo
- Division of Biostatistics, 5635University of Minnesota, MN, USA
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34
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Johansen MD, Mahbub RM, Idrees S, Nguyen DH, Miemczyk S, Pathinayake P, Nichol K, Hansbro NG, Gearing LJ, Hertzog PJ, Gallego-Ortega D, Britton WJ, Saunders BM, Wark PA, Faiz A, Hansbro PM. Increased SARS-CoV-2 Infection, Protease, and Inflammatory Responses in Chronic Obstructive Pulmonary Disease Primary Bronchial Epithelial Cells Defined with Single-Cell RNA Sequencing. Am J Respir Crit Care Med 2022; 206:712-729. [PMID: 35549656 PMCID: PMC9799113 DOI: 10.1164/rccm.202108-1901oc] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 05/12/2022] [Indexed: 01/01/2023] Open
Abstract
Rationale: Patients with chronic obstructive pulmonary disease (COPD) develop more severe coronavirus disease (COVID-19); however, it is unclear whether they are more susceptible to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and what mechanisms are responsible for severe disease. Objectives: To determine whether SARS-CoV-2 inoculated primary bronchial epithelial cells (pBECs) from patients with COPD support greater infection and elucidate the effects and mechanisms involved. Methods: We performed single-cell RNA sequencing analysis on differentiated pBECs from healthy subjects and patients with COPD 7 days after SARS-CoV-2 inoculation. We correlated changes with viral titers, proinflammatory responses, and IFN production. Measurements and Main Results: Single-cell RNA sequencing revealed that COPD pBECs had 24-fold greater infection than healthy cells, which was supported by plaque assays. Club/goblet and basal cells were the predominant populations infected and expressed mRNAs involved in viral replication. Proteases involved in SARS-CoV-2 entry/infection (TMPRSS2 and CTSB) were increased, and protease inhibitors (serpins) were downregulated more so in COPD. Inflammatory cytokines linked to COPD exacerbations and severe COVID-19 were increased, whereas IFN responses were blunted. Coexpression analysis revealed a prominent population of club/goblet cells with high type 1/2 IFN responses that were important drivers of immune responses to infection in both healthy and COPD pBECs. Therapeutic inhibition of proteases and inflammatory imbalances reduced viral titers and cytokine responses, particularly in COPD pBECs. Conclusions: COPD pBECs are more susceptible to SARS-CoV-2 infection because of increases in coreceptor expression and protease imbalances and have greater inflammatory responses. A prominent cluster of IFN-responsive club/goblet cells emerges during infection, which may be important drivers of immunity. Therapeutic interventions suppress SARS-CoV-2 replication and consequent inflammation.
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Affiliation(s)
- Matt D. Johansen
- Faculty of Science, School of Life Sciences, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Rashad M. Mahbub
- Faculty of Science, School of Life Sciences, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Sobia Idrees
- Faculty of Science, School of Life Sciences, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Duc H. Nguyen
- Faculty of Science, School of Life Sciences, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Stefan Miemczyk
- Faculty of Science, School of Life Sciences, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Prabuddha Pathinayake
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute, University of Newcastle, Newcastle, New South Wales, Australia
| | - Kristy Nichol
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute, University of Newcastle, Newcastle, New South Wales, Australia
| | - Nicole G. Hansbro
- Faculty of Science, School of Life Sciences, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Linden J. Gearing
- Department of Molecular and Translational Sciences, School of Clinical Sciences at Monash Health, Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Monash University, Clayton, Victoria, Australia
| | - Paul J. Hertzog
- Department of Molecular and Translational Sciences, School of Clinical Sciences at Monash Health, Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Monash University, Clayton, Victoria, Australia
| | - David Gallego-Ortega
- Faculty of Engineering and Information Technology, School of Biomedical Engineering, Centre for Single Cell Technology, University of Technology Sydney, Ultimo, New South Wales, Australia
- Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
- St. Vincent’s Clinical School, Faculty of Medicine, University of New South Wales Sydney, Kensington, New South Wales, Australia; and
| | - Warwick J. Britton
- Centenary Institute, University of Sydney and Department of Clinical Immunology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
| | - Bernadette M. Saunders
- Faculty of Science, School of Life Sciences, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Peter A. Wark
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute, University of Newcastle, Newcastle, New South Wales, Australia
| | - Alen Faiz
- Faculty of Science, School of Life Sciences, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, New South Wales, Australia
| | - Philip M. Hansbro
- Faculty of Science, School of Life Sciences, Centre for Inflammation, Centenary Institute, University of Technology Sydney, Sydney, New South Wales, Australia
- Priority Research Centre for Healthy Lungs, Hunter Medical Research Institute, University of Newcastle, Newcastle, New South Wales, Australia
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35
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Chaib S, Tchkonia T, Kirkland JL. Cellular senescence and senolytics: the path to the clinic. Nat Med 2022; 28:1556-1568. [PMID: 35953721 PMCID: PMC9599677 DOI: 10.1038/s41591-022-01923-y] [Citation(s) in RCA: 318] [Impact Index Per Article: 159.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/28/2022] [Indexed: 01/10/2023]
Abstract
Interlinked and fundamental aging processes appear to be a root-cause contributor to many disorders and diseases. One such process is cellular senescence, which entails a state of cell cycle arrest in response to damaging stimuli. Senescent cells can arise throughout the lifespan and, if persistent, can have deleterious effects on tissue function due to the many proteins they secrete. In preclinical models, interventions targeting those senescent cells that are persistent and cause tissue damage have been shown to delay, prevent or alleviate multiple disorders. In line with this, the discovery of small-molecule senolytic drugs that selectively clear senescent cells has led to promising strategies for preventing or treating multiple diseases and age-related conditions in humans. In this Review, we outline the rationale for senescent cells as a therapeutic target for disorders across the lifespan and discuss the most promising strategies-including recent and ongoing clinical trials-for translating small-molecule senolytics and other senescence-targeting interventions into clinical use.
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Affiliation(s)
- Selim Chaib
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Tamar Tchkonia
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - James L Kirkland
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA.
- Division of General Internal Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, USA.
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36
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Baßler K, Fujii W, Kapellos TS, Dudkin E, Reusch N, Horne A, Reiz B, Luecken MD, Osei-Sarpong C, Warnat-Herresthal S, Bonaguro L, Schulte-Schrepping J, Wagner A, Günther P, Pizarro C, Schreiber T, Knoll R, Holsten L, Kröger C, De Domenico E, Becker M, Händler K, Wohnhaas CT, Baumgartner F, Köhler M, Theis H, Kraut M, Wadsworth MH, Hughes TK, Ferreira HJ, Hinkley E, Kaltheuner IH, Geyer M, Thiele C, Shalek AK, Feißt A, Thomas D, Dickten H, Beyer M, Baum P, Yosef N, Aschenbrenner AC, Ulas T, Hasenauer J, Theis FJ, Skowasch D, Schultze JL. Alveolar macrophages in early stage COPD show functional deviations with properties of impaired immune activation. Front Immunol 2022; 13:917232. [PMID: 35979364 PMCID: PMC9377018 DOI: 10.3389/fimmu.2022.917232] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 06/24/2022] [Indexed: 12/13/2022] Open
Abstract
Despite its high prevalence, the cellular and molecular mechanisms of chronic obstructive pulmonary disease (COPD) are far from being understood. Here, we determine disease-related changes in cellular and molecular compositions within the alveolar space and peripheral blood of a cohort of COPD patients and controls. Myeloid cells were the largest cellular compartment in the alveolar space with invading monocytes and proliferating macrophages elevated in COPD. Modeling cell-to-cell communication, signaling pathway usage, and transcription factor binding predicts TGF-β1 to be a major upstream regulator of transcriptional changes in alveolar macrophages of COPD patients. Functionally, macrophages in COPD showed reduced antigen presentation capacity, accumulation of cholesteryl ester, reduced cellular chemotaxis, and mitochondrial dysfunction, reminiscent of impaired immune activation.
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Affiliation(s)
- Kevin Baßler
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Wataru Fujii
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Theodore S. Kapellos
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Erika Dudkin
- Computational Life Sciences, Life & Medical Sciences (LIMES) Institute, University of Bonn, Neuherberg, Germany
| | - Nico Reusch
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Ari Horne
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | | | - Malte D. Luecken
- Helmholtz Zentrum München - German Research Center for Environmental Health, Institute of Computational Biology, Neuherberg, Germany
| | - Collins Osei-Sarpong
- Immunogenomics & Neurodegeneration, German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
| | - Stefanie Warnat-Herresthal
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Lorenzo Bonaguro
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
- PRECISE Platform for Single Cell Genomics and Epigenomics, German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Bonn, Germany
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Jonas Schulte-Schrepping
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Allon Wagner
- Department of electrical engineering and computer science, University of California, Berkeley, CA, United States
- Center for computational biology, University of California, Berkeley, CA, United States
| | - Patrick Günther
- PRECISE Platform for Single Cell Genomics and Epigenomics, German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Bonn, Germany
| | - Carmen Pizarro
- Department of Internal Medicine II, University Hospital Bonn, Section of Pneumology, Bonn, Germany
| | - Tina Schreiber
- Department of Internal Medicine II, University Hospital Bonn, Section of Pneumology, Bonn, Germany
| | - Rainer Knoll
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
- PRECISE Platform for Single Cell Genomics and Epigenomics, German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Bonn, Germany
- Prevention, Aging & Systems Immunology, Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Bonn, Germany
| | - Lisa Holsten
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Charlotte Kröger
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
- Prevention, Aging & Systems Immunology, Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Bonn, Germany
| | - Elena De Domenico
- PRECISE Platform for Single Cell Genomics and Epigenomics, German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Bonn, Germany
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Matthias Becker
- PRECISE Platform for Single Cell Genomics and Epigenomics, German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Bonn, Germany
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Kristian Händler
- PRECISE Platform for Single Cell Genomics and Epigenomics, German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Bonn, Germany
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | | | | | | | - Heidi Theis
- PRECISE Platform for Single Cell Genomics and Epigenomics, German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Bonn, Germany
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Michael Kraut
- PRECISE Platform for Single Cell Genomics and Epigenomics, German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Bonn, Germany
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Marc H. Wadsworth
- Institute for Medical Engineering & Science, Department of Chemistry, and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, United States
- Broad Institute of MIT and Harvard; Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, United States
| | - Travis K. Hughes
- Institute of Structural Biology, University Hospital, University of Bonn, Bonn, Germany
| | - Humberto J. Ferreira
- PRECISE Platform for Single Cell Genomics and Epigenomics, German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Bonn, Germany
| | - Emily Hinkley
- PRECISE Platform for Single Cell Genomics and Epigenomics, German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Bonn, Germany
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Ines H. Kaltheuner
- Institute of Structural Biology, University Hospital, University of Bonn, Bonn, Germany
| | - Matthias Geyer
- Biochemistry & Cell Biology of Lipids, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
| | - Christoph Thiele
- University Clinics for Radiology, University Hospital Bonn, Bonn, Germany
| | - Alex K. Shalek
- Institute for Medical Engineering & Science, Department of Chemistry, and Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, United States
- Broad Institute of MIT and Harvard; Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, United States
| | - Andreas Feißt
- University Clinics for Radiology, University Hospital Bonn, Bonn, Germany
| | - Daniel Thomas
- University Clinics for Radiology, University Hospital Bonn, Bonn, Germany
| | | | - Marc Beyer
- Immunogenomics & Neurodegeneration, German Center for Neurodegenerative Diseases and the University of Bonn, Bonn, Germany
- PRECISE Platform for Single Cell Genomics and Epigenomics, German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Bonn, Germany
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Patrick Baum
- Translational Medicine & Clinical Pharmacology, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany
| | - Nir Yosef
- Department of electrical engineering and computer science, University of California, Berkeley, CA, United States
- Center for computational biology, University of California, Berkeley, CA, United States
- Chan-Zuckerberg Biohub, San Francisco, CA, United States
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, United States
| | - Anna C. Aschenbrenner
- Prevention, Aging & Systems Immunology, Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Bonn, Germany
- Ragon Institute of MGH, MIT, and Harvard, Cambridge, MA, United States
- Department of Internal Medicine and Radboud Center for Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, Netherlands
| | - Thomas Ulas
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
- PRECISE Platform for Single Cell Genomics and Epigenomics, German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Bonn, Germany
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
| | - Jan Hasenauer
- Computational Life Sciences, Life & Medical Sciences (LIMES) Institute, University of Bonn, Neuherberg, Germany
- Helmholtz Zentrum München - German Research Center for Environmental Health, Institute of Computational Biology, Neuherberg, Germany
| | - Fabian J. Theis
- Helmholtz Zentrum München - German Research Center for Environmental Health, Institute of Computational Biology, Neuherberg, Germany
- School of Life Sciences Weihenstephan, Technical University of Munich, Munich, Germany, Department of Mathematics, Technical University of Munich, Munich, Germany
| | - Dirk Skowasch
- Department of Internal Medicine II, University Hospital Bonn, Section of Pneumology, Bonn, Germany
| | - Joachim L. Schultze
- Genomics and Immunoregulation, Life & Medical Sciences (LIMES) Institute, University of Bonn, Bonn, Germany
- PRECISE Platform for Single Cell Genomics and Epigenomics, German Center for Neurodegenerative Diseases (DZNE) and the University of Bonn, Bonn, Germany
- Systems Medicine, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany
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37
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Allen NC, Reyes NS, Lee JY, Peng T. Intersection of Inflammation and Senescence in the Aging Lung Stem Cell Niche. Front Cell Dev Biol 2022; 10:932723. [PMID: 35912114 PMCID: PMC9325971 DOI: 10.3389/fcell.2022.932723] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 06/08/2022] [Indexed: 11/13/2022] Open
Abstract
Aging is the final stage of development with stereotyped changes in tissue morphology. These age-related changes are risk factors for a multitude of chronic lung diseases, transcending the diverse pathogenic mechanisms that have been studied in disease-specific contexts. Two of the hallmarks of aging include inflammation and cellular senescence, which have been attributed as drivers of age-related organ decline. While these two age-related processes are often studied independently in the same tissue, there appears to be a reciprocal relationship between inflammation and senescence, which remodels the aging tissue architecture to increase susceptibility to chronic diseases. This review will attempt to address the "chicken or the egg" question as to whether senescence drives inflammation in the aging lung, or vice versa, and whether the causality of this relationship has therapeutic implications for age-related lung diseases.
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Affiliation(s)
- Nancy C. Allen
- Department of Medicine and Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, University of California, San Francisco, San Francisco, CA, United States
| | - Nabora S. Reyes
- Department of Medicine and Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, University of California, San Francisco, San Francisco, CA, United States
| | - Jin Young Lee
- Department of Medicine and Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, University of California, San Francisco, San Francisco, CA, United States
| | - Tien Peng
- Department of Medicine and Division of Pulmonary, Critical Care, Allergy and Sleep Medicine, University of California, San Francisco, San Francisco, CA, United States
- Bakar Aging Research Institute, University of California, San Francisco, San Francisco, CA, United States
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38
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Liu L, Wei Y, Giunta S, He Q, Xia S. Potential Role of Cellular Senescence in Pulmonary Arterial Hypertension. Clin Exp Pharmacol Physiol 2022; 49:1042-1049. [PMID: 35748218 DOI: 10.1111/1440-1681.13696] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 06/18/2022] [Accepted: 06/21/2022] [Indexed: 10/17/2022]
Abstract
Pulmonary arterial hypertension (PAH) is a rare and chronic lung vasculature disease characterized by pulmonary vasculature remodeling, including abnormal proliferation of pulmonary artery smooth muscle cells (PASMCs) and dysfunctional endothelial cells (ECs). Remodeling of the pulmonary vasculature occurs from maturity to senescence, and it has become apparent that cellular senescence plays a central role in the pathogenesis of various degenerative vascular diseases and pulmonary pathologies. Cellular senescence represents a state of stable proliferative arrest accompanied by the senescence-associated secretory phenotype (SASP), which entails the copious secretion of proinflammatory signals in the tissue microenvironment. Evidences show that in PAH patients, higher levels of cytokines, chemokines, and inflammatory mediators can be detected and correlate with clinical outcome. Moreover, senescent cells accrue with age in epithelial, endothelial, fibroblastic, and immunological compartments within human lungs, and evidence showed that ECs and PASMCs in lungs from patients with chronic obstructive pulmonary disease were characterized by a higher number of senescent cells. However, there is little evidence uncovering the molecular pulmonary vasculature senescence in PAH. Herein, we review the cellular senescence in pulmonary vascular remodeling, and emphasize its importance in PAH. We further introduce some signaling pathways which might be involved in vasculature senescence and PAH, with the intent to discuss the possibility of the PAH therapy via targeting cellular senescence and reduce PAH progression and mortality.
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Affiliation(s)
- Lumei Liu
- College of Integrated Traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, PR China
| | - Yaqin Wei
- Shanghai Institute of Geriatrics, Huadong Hospital, Fudan University, Shanghai, PR China
| | - Sergio Giunta
- Casa di Cura Prof. Nobili-GHC Garofalo Health Care, Bologna, Italy
| | - Qinghu He
- College of Integrated Traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, PR China.,Hunan University of Medicine, Huaihua, PR China
| | - Shijin Xia
- Shanghai Institute of Geriatrics, Huadong Hospital, Fudan University, Shanghai, PR China
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Rivas M, Gupta G, Costanzo L, Ahmed H, Wyman AE, Geraghty P. Senescence: Pathogenic Driver in Chronic Obstructive Pulmonary Disease. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:817. [PMID: 35744080 PMCID: PMC9228143 DOI: 10.3390/medicina58060817] [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] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/09/2022] [Accepted: 06/15/2022] [Indexed: 01/10/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) is recognized as a disease of accelerated lung aging. Over the past two decades, mounting evidence suggests an accumulation of senescent cells within the lungs of patients with COPD that contributes to dysregulated tissue repair and the secretion of multiple inflammatory proteins, termed the senescence-associated secretory phenotype (SASP). Cellular senescence in COPD is linked to telomere dysfunction, DNA damage, and oxidative stress. This review gives an overview of the mechanistic contributions and pathologic consequences of cellular senescence in COPD and discusses potential therapeutic approaches targeting senescence-associated signaling in COPD.
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Affiliation(s)
- Melissa Rivas
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
| | - Gayatri Gupta
- Section of Pulmonary, Critical Care and Sleep Medicine, Yale University School of Medicine, New Haven, CT 06520, USA;
| | - Louis Costanzo
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
| | - Huma Ahmed
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
| | - Anne E. Wyman
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
| | - Patrick Geraghty
- Department of Medicine, State University of New York Downstate Medical Centre, Brooklyn, NY 11203, USA; (M.R.); (L.C.); (H.A.); (A.E.W.)
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40
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Autophagy in asthma and chronic obstructive pulmonary disease. Clin Sci (Lond) 2022; 136:733-746. [PMID: 35608088 PMCID: PMC9131388 DOI: 10.1042/cs20210900] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/26/2022] [Accepted: 04/29/2022] [Indexed: 02/07/2023]
Abstract
Autophagy (or macroautophagy) is a key cellular process that removes damaged molecules (particularly proteins) and subcellular organelles to maintain cellular homeostasis. There is growing evidence that abnormalities in autophagy may contribute to the pathogenesis of many chronic diseases, including asthma and chronic obstructive pulmonary disease (COPD). In asthma, increased autophagy plays a role in promoting type 2 immune responses and eosinophilic inflammation, whereas decreased autophagy may be important in neutrophilic asthma. Acute exposure to cigarette smoke may activate autophagy, resulting in ciliary dysfunction and death of airway epithelial cells, whereas in stable COPD most studies have demonstrated an impairment in autophagy, with reduced autophagic flux and accumulation of abnormal mitochondria (defective mitophagy) and linked to cellular senescence. Autophagy may be increased or decreased in different cell types and depending on the cellular environment, making it difficult to target autophagy therapeutically. Several existing drugs may activate autophagy, including rapamycin, metformin, carbamazepine, cardiac glycosides and statins, whereas others, such as chloroquine, inhibit this process. However, these drugs are nonspecific and more selective drugs are now in development, which may prove useful as novel agents to treat asthma and COPD in the future.
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Barnes PJ. Oxidative Stress in Chronic Obstructive Pulmonary Disease. Antioxidants (Basel) 2022; 11:antiox11050965. [PMID: 35624831 PMCID: PMC9138026 DOI: 10.3390/antiox11050965] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/06/2022] [Accepted: 05/11/2022] [Indexed: 12/16/2022] Open
Abstract
There is a marked increase in oxidative stress in the lungs of patients with COPD, as measured by increased exhaled 8-isoprostane, ethane, and hydrogen peroxide in the breath. The lung may be exposed to exogenous oxidative stress from cigarette smoking and indoor or outdoor air pollution and to endogenous oxidative stress from reactive oxygen species released from activated inflammatory cells, particularly neutrophils and macrophages, in the lungs. Oxidative stress in COPD may be amplified by a reduction in endogenous antioxidants and poor intake of dietary antioxidants. Oxidative stress is a major driving mechanism of COPD through the induction of chronic inflammation, induction of cellular senescence and impaired autophagy, reduced DNA repair, increased autoimmunity, increased mucus secretion, and impaired anti-inflammatory response to corticosteroids. Oxidative stress, therefore, drives the pathology of COPD and may increase disease progression, amplify exacerbations, and increase comorbidities through systemic oxidative stress. This suggests that antioxidants may be effective as disease-modifying treatments. Unfortunately, thiol-based antioxidants, such as N-acetylcysteine, have been poorly effective, as they are inactivated by oxidative stress in the lungs, so there is a search for more effective and safer antioxidants. New antioxidants in development include mitochondria-targeted antioxidants, NOX inhibitors, and activators of the transcription factor Nrf2, which regulates several antioxidant genes.
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Affiliation(s)
- Peter J Barnes
- National Heart and Lung Institute, Imperial College London, London SW5 9LH, UK
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42
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Blagosklonny MV. Hallmarks of cancer and hallmarks of aging. Aging (Albany NY) 2022; 14:4176-4187. [PMID: 35533376 PMCID: PMC9134968 DOI: 10.18632/aging.204082] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 05/02/2022] [Indexed: 11/28/2022]
Abstract
A thought-provoking article by Gems and de Magalhães suggests that canonic hallmarks of aging are superficial imitations of hallmarks of cancer. I took their work a step further and proposed hallmarks of aging based on a hierarchical principle and the hyperfunction theory. To do this, I first reexamine the hallmarks of cancer proposed by Hanahan and Weinberg in 2000. Although six hallmarks of cancer are genuine, they are not hierarchically arranged, i.e., molecular, intra-cellular, cellular, tissue, organismal and extra-organismal. (For example, invasion and angiogenesis are manifestations of molecular alterations on the tissue level; metastasis on the organismal level, whereas cell immortality is observed outside the host). The same hierarchical approach is applicable to aging. Unlike cancer, however, aging is not a molecular disease. The lowest level of its origin is normal intracellular signaling pathways such as mTOR that drive developmental growth and, later in life, become hyperfunctional, causing age-related diseases, whose sum is aging. The key hallmark of organismal aging, from worms to humans, are age-related diseases. In addition, hallmarks of aging can be arranged as a timeline, wherein initial hyperfunction is followed by dysfunction, organ damage and functional decline.
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Abstract
A hallmark of cellular senescence is proliferation-like activity of growth-promoting pathways (such as mTOR and MAPK) in non-proliferating cells. When the cell cycle is arrested, these pathways convert arrest to senescence (geroconversion), rendering cells hypertrophic, beta-Gal-positive and hyperfunctional. The senescence-associated secretory phenotype (SASP) is one of the numerous hyperfunctions. Figuratively, geroconversion is a continuation of growth in non-proliferating cells. Rapamycin, a reversible inhibitor of growth, slows down mTOR-driven geroconversion. Developed two decades ago, this model had accurately predicted that rapamycin must extend life span of animals. However, the notion that senescent cells directly cause organismal aging is oversimplified. Senescent cells contribute to organismal aging but are not strictly required. Cell senescence and organismal aging can be linked indirectly via the same underlying cause, namely hyperfunctional signaling pathways such as mTOR.
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Abstract
Pulmonary hypertension is an enigmatic, deleterious disease driven by multiple heterogeneous causes with a burgeoning proportion of older patients with complex, chronic comorbidities without adequate treatment options. The underlying endothelial pathophenotypes that direct vasoconstriction and panvascular remodeling remain both controversial and incompletely defined. This review discusses emerging concepts centered on endothelial senescence in pulmonary vascular disease. This principle proposes a more heterogeneous, dynamic pulmonary endothelium in disease; it provides a potentially unifying feature of endothelial dysfunction in pulmonary hypertension irrespective of cause; and it supports a clinically relevant link between aging and pulmonary hypertension like other chronic illnesses. Thus, taking cues from studies on aging and age-related diseases, we present possible opportunities and barriers to diagnostic and therapeutic targeting of senescence in pulmonary hypertension.
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Affiliation(s)
- Miranda K Culley
- Center for Pulmonary Vascular Biology and Medicine, Pittsburgh Heart, Lung, Blood Vascular Medicine Institute, Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, PA
| | - Stephen Y Chan
- Center for Pulmonary Vascular Biology and Medicine, Pittsburgh Heart, Lung, Blood Vascular Medicine Institute, Division of Cardiology, Department of Medicine, University of Pittsburgh School of Medicine and University of Pittsburgh Medical Center, PA
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Uwagboe I, Adcock IM, Lo Bello F, Caramori G, Mumby S. New drugs under development for COPD. Minerva Med 2022; 113:471-496. [PMID: 35142480 DOI: 10.23736/s0026-4806.22.08024-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The characteristic features of chronic obstructive pulmonary disease (COPD) include inflammation and remodelling of the lower airways and lung parenchyma together with activation of inflammatory and immune processes. Due to the increasing habit of cigarette smoking worldwide COPD prevalence is increasing globally. Current therapies are unable to prevent COPD progression in many patients or target many of its hallmark characteristics which may reflect the lack of adequate biomarkers to detect the heterogeneous clinical and molecular nature of COPD. In this chapter we review recent molecular data that may indicate novel pathways that underpin COPD subphenotypes and indicate potential improvements in the classes of drugs currently used to treat COPD. We also highlight the evidence for new drugs or approaches to treat COPD identified using molecular and other approaches including kinase inhibitors, cytokine- and chemokine-directed biologicals and small molecules, antioxidants and redox signalling pathway inhibitors, inhaled anti-infectious agents and senolytics. It is important to consider the phenotypes/molecular endotypes of COPD patients together with specific outcome measures to target new therapies to particular COPD subtypes. This will require greater understanding of COPD molecular pathologies and a focus on biomarkers of predicting disease subsets and responder/non-responder populations.
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Affiliation(s)
- Isabel Uwagboe
- Airways Disease Section, National Heart and Lung Institute, Imperial College, London, UK
| | - Ian M Adcock
- Airways Disease Section, National Heart and Lung Institute, Imperial College, London, UK -
| | - Federica Lo Bello
- Pneumologia, Dipartimento di Scienze Biomediche, Odontoiatriche e delle Immagini Morfologiche e Funzionali (BIOMORF), Università di Messina, Messina, Italy
| | - Gaetano Caramori
- Pneumologia, Dipartimento di Scienze Biomediche, Odontoiatriche e delle Immagini Morfologiche e Funzionali (BIOMORF), Università di Messina, Messina, Italy
| | - Sharon Mumby
- Airways Disease Section, National Heart and Lung Institute, Imperial College, London, UK
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46
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Bryant AJ, Ebrahimi E, Nguyen A, Wolff CA, Gumz ML, Liu AC, Esser KA. A wrinkle in time: circadian biology in pulmonary vascular health and disease. Am J Physiol Lung Cell Mol Physiol 2022; 322:L84-L101. [PMID: 34850650 PMCID: PMC8759967 DOI: 10.1152/ajplung.00037.2021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
An often overlooked element of pulmonary vascular disease is time. Cellular responses to time, which are regulated directly by the core circadian clock, have only recently been elucidated. Despite an extensive collection of data regarding the role of rhythmic contribution to disease pathogenesis (such as systemic hypertension, coronary artery, and renal disease), the roles of key circadian transcription factors in pulmonary hypertension remain understudied. This is despite a large degree of overlap in the pulmonary hypertension and circadian rhythm fields, not only including shared signaling pathways, but also cell-specific effects of the core clock that are known to result in both protective and adverse lung vessel changes. Therefore, the goal of this review is to summarize the current dialogue regarding common pathways in circadian biology, with a specific emphasis on its implications in the progression of pulmonary hypertension. In this work, we emphasize specific proteins involved in the regulation of the core molecular clock while noting the circadian cell-specific changes relevant to vascular remodeling. Finally, we apply this knowledge to the optimization of medical therapy, with a focus on sleep hygiene and the role of chronopharmacology in patients with this disease. In dissecting the unique relationship between time and cellular biology, we aim to provide valuable insight into the practical implications of considering time as a therapeutic variable. Armed with this information, physicians will be positioned to more efficiently use the full four dimensions of patient care, resulting in improved morbidity and mortality of pulmonary hypertension patients.
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Affiliation(s)
- Andrew J. Bryant
- 1Department of Medicine, University of Florida College of Medicine, Gainesville, Florida
| | - Elnaz Ebrahimi
- 1Department of Medicine, University of Florida College of Medicine, Gainesville, Florida
| | - Amy Nguyen
- 1Department of Medicine, University of Florida College of Medicine, Gainesville, Florida
| | - Christopher A. Wolff
- 2Department of Physiology, University of Florida College of Medicine, Gainesville, Florida
| | - Michelle L. Gumz
- 2Department of Physiology, University of Florida College of Medicine, Gainesville, Florida
| | - Andrew C. Liu
- 2Department of Physiology, University of Florida College of Medicine, Gainesville, Florida
| | - Karyn A. Esser
- 2Department of Physiology, University of Florida College of Medicine, Gainesville, Florida
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Ruiz A, Flores-Gonzalez J, Buendia-Roldan I, Chavez-Galan L. Telomere Shortening and Its Association with Cell Dysfunction in Lung Diseases. Int J Mol Sci 2021; 23:425. [PMID: 35008850 PMCID: PMC8745057 DOI: 10.3390/ijms23010425] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 12/22/2021] [Accepted: 12/29/2021] [Indexed: 01/10/2023] Open
Abstract
Telomeres are localized at the end of chromosomes to provide genome stability; however, the telomere length tends to be shortened with each cell division inducing a progressive telomere shortening (TS). In addition to age, other factors, such as exposure to pollutants, diet, stress, and disruptions in the shelterin protein complex or genes associated with telomerase induce TS. This phenomenon favors cellular senescence and genotoxic stress, which increases the risk of the development and progression of lung diseases such as idiopathic pulmonary fibrosis, chronic obstructive pulmonary disease, SARS-CoV-2 infection, and lung cancer. In an infectious environment, immune cells that exhibit TS are associated with severe lymphopenia and death, whereas in a noninfectious context, naïve T cells that exhibit TS are related to cancer progression and enhanced inflammatory processes. In this review, we discuss how TS modifies the function of the immune system cells, making them inefficient in maintaining homeostasis in the lung. Finally, we discuss the advances in drug and gene therapy for lung diseases where TS could be used as a target for future treatments.
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Affiliation(s)
| | | | | | - Leslie Chavez-Galan
- Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico; (A.R.); (J.F.-G.); (I.B.-R.)
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48
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Roger I, Milara J, Belhadj N, Cortijo J. Senescence Alterations in Pulmonary Hypertension. Cells 2021; 10:3456. [PMID: 34943963 PMCID: PMC8700581 DOI: 10.3390/cells10123456] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/29/2021] [Accepted: 12/02/2021] [Indexed: 01/10/2023] Open
Abstract
Cellular senescence is the arrest of normal cell division and is commonly associated with aging. The interest in the role of cellular senescence in lung diseases derives from the observation of markers of senescence in chronic obstructive pulmonary disease (COPD), pulmonary fibrosis (IPF), and pulmonary hypertension (PH). Accumulation of senescent cells and the senescence-associated secretory phenotype in the lung of aged patients may lead to mild persistent inflammation, which results in tissue damage. Oxidative stress due to environmental exposures such as cigarette smoke also promotes cellular senescence, together with additional forms of cellular stress such as mitochondrial dysfunction and endoplasmic reticulum stress. Growing recent evidence indicate that senescent cell phenotypes are observed in pulmonary artery smooth muscle cells and endothelial cells of patients with PH, contributing to pulmonary artery remodeling and PH development. In this review, we analyze the role of different senescence cell phenotypes contributing to the pulmonary artery remodeling process in different PH clinical entities. Different molecular pathway activation and cellular functions derived from senescence activation will be analyzed and discussed as promising targets to develop future senotherapies as promising treatments to attenuate pulmonary artery remodeling in PH.
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Affiliation(s)
- Inés Roger
- Centro de Investigación en Red Enfermedades Respiratorias CIBERES, Health Institute Carlos III, 28029 Valencia, Spain;
- Department of Pharmacology, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain;
| | - Javier Milara
- Centro de Investigación en Red Enfermedades Respiratorias CIBERES, Health Institute Carlos III, 28029 Valencia, Spain;
- Department of Pharmacology, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain;
- Pharmacy Unit, University General Hospital Consortium of Valencia, 46014 Valencia, Spain
| | - Nada Belhadj
- Department of Pharmacology, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain;
| | - Julio Cortijo
- Centro de Investigación en Red Enfermedades Respiratorias CIBERES, Health Institute Carlos III, 28029 Valencia, Spain;
- Department of Pharmacology, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain;
- Research and Teaching Unit, University General Hospital Consortium, 46014 Valencia, Spain
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49
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Faniyi AA, Hughes MJ, Scott A, Belchamber KBR, Sapey E. Inflammation, Ageing and Diseases of the Lung: Potential therapeutic strategies from shared biological pathways. Br J Pharmacol 2021; 179:1790-1807. [PMID: 34826882 DOI: 10.1111/bph.15759] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 10/07/2021] [Accepted: 11/08/2021] [Indexed: 12/15/2022] Open
Abstract
Lung diseases disproportionately affect elderly individuals. The lungs form a unique environment: a highly elastic organ with gaseous exchange requiring the closest proximity of inhaled air containing harmful agents and the circulating blood volume. The lungs are highly susceptible to senescence, with age and "inflammageing" creating a pro-inflammatory environment with a reduced capacity to deal with challenges. Whilst lung diseases may have disparate causes, the burden of ageing and inflammation provides a common process which can exacerbate seemingly unrelated pathologies. However, these shared pathways may also provide a common route to treatment, with increased interest in drugs which target ageing processes across respiratory diseases. In this review, we will examine the evidence for the increased burden of lung disease in older adults, the structural and functional changes seen with advancing age and assess what our expanding knowledge of inflammation and ageing pathways could mean for the treatment of lung disease.
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Affiliation(s)
- A A Faniyi
- Birmingham Acute Care Research Group, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, U.K
| | - M J Hughes
- Birmingham Acute Care Research Group, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, U.K
| | - A Scott
- Birmingham Acute Care Research Group, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, U.K
| | - K B R Belchamber
- Birmingham Acute Care Research Group, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, U.K
| | - E Sapey
- Birmingham Acute Care Research Group, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, U.K
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50
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Guan Q, Tian Y, Zhang Z, Zhang L, Zhao P, Li J. Identification of Potential Key Genes in the Pathogenesis of Chronic Obstructive Pulmonary Disease Through Bioinformatics Analysis. Front Genet 2021; 12:754569. [PMID: 34804123 PMCID: PMC8595135 DOI: 10.3389/fgene.2021.754569] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 10/13/2021] [Indexed: 12/20/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a common respiratory disease with high morbidity and mortality. The etiology of COPD is complex, and the pathogenesis mechanisms remain unclear. In this study, we used rat and human COPD gene expression data from our laboratory and the Gene Expression Omnibus (GEO) database to identify differentially expressed genes (DEGs) between individuals with COPD and healthy individuals. Then, protein–protein interaction (PPI) networks were constructed, and hub genes were identified. Cytoscape was used to construct the co-expressed network and competitive endogenous RNA (ceRNA) networks. A total of 198 DEGs were identified, and a PPI network with 144 nodes and 355 edges was constructed. Twelve hub genes were identified by the cytoHubba plugin in Cytoscape. Of these genes, CCR3, CCL2, COL4A2, VWF, IL1RN, IL2RA, and CCL13 were related to inflammation or immunity, or tissue-specific expression in lung tissue, and their messenger RNA (mRNA) levels were validated by qRT-PCR. COL4A2, VWF, and IL1RN were further verified by the GEO dataset GSE76925, and the ceRNA network was constructed with Cytoscape. These three genes were consistent with COPD rat model data compared with control data, and their dysregulation direction was reversed when the COPD rat model was treated with effective-component compatibility of Bufei Yishen formula III. This bioinformatics analysis strategy may be useful for elucidating novel mechanisms underlying COPD. We pinpointed three key genes that may play a role in COPD pathogenesis and therapy, which deserved to be further studied.
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Affiliation(s)
- Qingzhou Guan
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, China.,Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases Co-constructed by Henan Province and Education Ministry of P.R. China, Henan University of Chinese Medicine, Zhengzhou, China
| | - Yange Tian
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, China.,Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases Co-constructed by Henan Province and Education Ministry of P.R. China, Henan University of Chinese Medicine, Zhengzhou, China
| | - Zhenzhen Zhang
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, China.,Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases Co-constructed by Henan Province and Education Ministry of P.R. China, Henan University of Chinese Medicine, Zhengzhou, China
| | - Lanxi Zhang
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, China.,Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases Co-constructed by Henan Province and Education Ministry of P.R. China, Henan University of Chinese Medicine, Zhengzhou, China
| | - Peng Zhao
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, China.,Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases Co-constructed by Henan Province and Education Ministry of P.R. China, Henan University of Chinese Medicine, Zhengzhou, China
| | - Jiansheng Li
- Henan Key Laboratory of Chinese Medicine for Respiratory Disease, Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases Co-constructed by Henan Province and 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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