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Mathuram TL, Su Y, Bard JE, Perry NA, Chen CW, Warren MT, Linden PA, Perry Y, Hatzoglou M, Wu Y, Blumental-Perry A. Mitochondrial ncRNA LDL-805 declines in alveolar epithelial type 2 cells of chronic obstructive pulmonary disease patients. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.14.575591. [PMID: 38293158 PMCID: PMC10827093 DOI: 10.1101/2024.01.14.575591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Rationale We showed that levels of a murine mitochondrial noncoding RNA, mito-ncR-LDL805 , increase in alveolar epithelial type 2 cells exposed to extracts from cigarette smoke. The transcripts translocate to the nucleus, upregulating nucleus-encoded mitochondrial genes and mitochondrial bioenergetics. This response is lost after chronic exposure to smoke in a mouse model of chronic obstructive pulmonary disease. Objectives To determine if mito-ncR-LDL805 plays a role in human disease, this study aimed to (i) identify the human homologue, (ii) test if the smoke-induced response occurs in human cells, (ii) determine causality between the subcellular localization of the transcript and increased mitochondrial bioenergetics, and (iii) analyze mito-ncR-LDL805 transcript levels in samples from patients with chronic obstructive pulmonary disease. Methods Levels and subcellular localization of the human homologue identified from an RNA transcript library were assessed in human alveolar epithelial type 2 cells exposed to smoke extract. Lipid nanoparticles were used for nucleus-targeted delivery of mito-ncR-LDL805 transcripts. Analyses included in situ hybridization, quantitative PCR, cell growth, and Seahorse mitochondrial bioenergetics assays. Measurements and Main Results The levels of human homologue transiently increased and the transcripts translocated to the nuclei in human cells exposed to smoke extract. Targeted nuclear delivery of transcripts increased mitochondrial bioenergetics. Alveolar cells from humans with chronic obstructive pulmonary disease had reduced levels of the mito-ncR-LDL805 . Conclusions mito-ncR-LDL805 mediates mitochondrial bioenergetics in murine and human alveolar epithelial type 2 cells in response to cigarette smoke exposure, but this response is likely lost in diseases associated with chronic smoking, such as chronic obstructive pulmonary disease, due to its diminished levels. Impact This study describes a novel mechanism by which epithelial cells in the lungs adapt to the mitochondrial stress triggered by exposure to cigarette smoke. We show that a noncoding RNA in mitochondria is upregulated and translocated to the nuclei of alveolar epithelial type 2 cells to trigger expression of genes that restore mitochondrial bioenergetics. Mitochondria function and levels of the noncoding RNA decrease under conditions that lead to chronic obstructive pulmonary disease, suggesting that the mitochondrial noncoding RNA can serve as potential therapeutic target to restore function to halt disease progression.
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Guarnier LP, Moro LG, Lívero FADR, de Faria CA, Azevedo MF, Roma BP, Albuquerque ER, Malagutti-Ferreira MJ, Rodrigues AGD, da Silva AA, Sekiya EJ, Ribeiro-Paes JT. Regenerative and translational medicine in COPD: hype and hope. Eur Respir Rev 2023; 32:220223. [PMID: 37495247 PMCID: PMC10369169 DOI: 10.1183/16000617.0223-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 05/23/2023] [Indexed: 07/28/2023] Open
Abstract
COPD is a common, preventable and usually progressive disease associated with an enhanced chronic inflammatory response in the airways and lung, generally caused by exposure to noxious particles and gases. It is a treatable disease characterised by persistent respiratory symptoms and airflow limitation due to abnormalities in the airways and/or alveoli. COPD is currently the third leading cause of death worldwide, representing a serious public health problem and a high social and economic burden. Despite significant advances, effective clinical treatments have not yet been achieved. In this scenario, cell-based therapies have emerged as potentially promising therapeutic approaches. However, there are only a few published studies of cell-based therapies in human patients with COPD and a small number of ongoing clinical trials registered on clinicaltrials.gov Despite the advances and interesting results, numerous doubts and questions remain about efficacy, mechanisms of action, culture conditions, doses, timing, route of administration and conditions related to homing and engraftment of the infused cells. This article presents the state of the art of cell-based therapy in COPD. Clinical trials that have already been completed and with published results are discussed in detail. We also discuss the questions that remain unanswered about cell-based regenerative and translational medicine for COPD.
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Affiliation(s)
- Lucas Pires Guarnier
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, Brazil
- Laboratory of Genetics and Cell Therapy - GenTe Cel, Department of Biotechnology, São Paulo State University (UNESP), Assis, Brazil
| | - Lincoln Gozzi Moro
- Laboratory of Genetics and Cell Therapy - GenTe Cel, Department of Biotechnology, São Paulo State University (UNESP), Assis, Brazil
- Biomedical Sciences Institute, Butantan Institute, Technological Research Institute, University of São Paulo (USP), São Paulo, Brazil
| | | | | | - Mauricio Fogaça Azevedo
- Laboratory of Genetics and Cell Therapy - GenTe Cel, Department of Biotechnology, São Paulo State University (UNESP), Assis, Brazil
| | - Beatriz Pizoni Roma
- Laboratory of Genetics and Cell Therapy - GenTe Cel, Department of Biotechnology, São Paulo State University (UNESP), Assis, Brazil
| | | | - Maria José Malagutti-Ferreira
- Laboratory of Genetics and Cell Therapy - GenTe Cel, Department of Biotechnology, São Paulo State University (UNESP), Assis, Brazil
| | | | - Adelson Alves da Silva
- São Lucas Research and Education Institute (IEP - São Lucas), TechLife, São Paulo, Brazil
| | - Eliseo Joji Sekiya
- São Lucas Research and Education Institute (IEP - São Lucas), TechLife, São Paulo, Brazil
| | - João Tadeu Ribeiro-Paes
- Department of Genetics, Ribeirão Preto Medical School, University of São Paulo (USP), Ribeirão Preto, Brazil
- Laboratory of Genetics and Cell Therapy - GenTe Cel, Department of Biotechnology, São Paulo State University (UNESP), Assis, Brazil
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Broderick DTJ, Waite DW, Marsh RL, Camargo CA, Cardenas P, Chang AB, Cookson WOC, Cuthbertson L, Dai W, Everard ML, Gervaix A, Harris JK, Hasegawa K, Hoffman LR, Hong SJ, Josset L, Kelly MS, Kim BS, Kong Y, Li SC, Mansbach JM, Mejias A, O’Toole GA, Paalanen L, Pérez-Losada M, Pettigrew MM, Pichon M, Ramilo O, Ruokolainen L, Sakwinska O, Seed PC, van der Gast CJ, Wagner BD, Yi H, Zemanick ET, Zheng Y, Pillarisetti N, Taylor MW. Bacterial Signatures of Paediatric Respiratory Disease: An Individual Participant Data Meta-Analysis. Front Microbiol 2021; 12:711134. [PMID: 35002989 PMCID: PMC8733647 DOI: 10.3389/fmicb.2021.711134] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 12/01/2021] [Indexed: 11/13/2022] Open
Abstract
Introduction: The airway microbiota has been linked to specific paediatric respiratory diseases, but studies are often small. It remains unclear whether particular bacteria are associated with a given disease, or if a more general, non-specific microbiota association with disease exists, as suggested for the gut. We investigated overarching patterns of bacterial association with acute and chronic paediatric respiratory disease in an individual participant data (IPD) meta-analysis of 16S rRNA gene sequences from published respiratory microbiota studies. Methods: We obtained raw microbiota data from public repositories or via communication with corresponding authors. Cross-sectional analyses of the paediatric (<18 years) microbiota in acute and chronic respiratory conditions, with >10 case subjects were included. Sequence data were processed using a uniform bioinformatics pipeline, removing a potentially substantial source of variation. Microbiota differences across diagnoses were assessed using alpha- and beta-diversity approaches, machine learning, and biomarker analyses. Results: We ultimately included 20 studies containing individual data from 2624 children. Disease was associated with lower bacterial diversity in nasal and lower airway samples and higher relative abundances of specific nasal taxa including Streptococcus and Haemophilus. Machine learning success in assigning samples to diagnostic groupings varied with anatomical site, with positive predictive value and sensitivity ranging from 43 to 100 and 8 to 99%, respectively. Conclusion: IPD meta-analysis of the respiratory microbiota across multiple diseases allowed identification of a non-specific disease association which cannot be recognised by studying a single disease. Whilst imperfect, machine learning offers promise as a potential additional tool to aid clinical diagnosis.
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Affiliation(s)
| | - David W. Waite
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Robyn L. Marsh
- Child Health Division, Menzies School of Health Research, Charles Darwin University, Darwin, NT, Australia
| | - Carlos A. Camargo
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, United States
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
- Harvard Medical School, Boston, MA, United States
| | - Paul Cardenas
- Colegio de Ciencias Biológicas y Ambientales, Instituto de Microbiología, Universidad San Francisco de Quito, Quito, Ecuador
| | - Anne B. Chang
- Child Health Division, Menzies School of Health Research, Charles Darwin University, Darwin, NT, Australia
- Department of Respiratory and Sleep Medicine, Queensland Children’s Hospital, Brisbane, QLD, Australia
- Australian Centre for Health Services Innovation, Queensland University of Technology, Brisbane, QLD, Australia
| | - William O. C. Cookson
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
- Royal Brompton and Harefield NHS Foundation Trust, London, United Kingdom
| | - Leah Cuthbertson
- Royal Brompton and Harefield NHS Foundation Trust, London, United Kingdom
| | - Wenkui Dai
- Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, Shenzhen, China
| | - Mark L. Everard
- School of Medicine, University of Western Australia, Perth, WA, Australia
| | - Alain Gervaix
- Department of Pediatrics, Gynecology and Obstetrics, Faculty of Medicine, University Hospitals of Geneva, Geneva, Switzerland
| | - J. Kirk Harris
- Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, United States
| | - Kohei Hasegawa
- Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, United States
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
- Harvard Medical School, Boston, MA, United States
| | - Lucas R. Hoffman
- Seattle Children’s Hospital, Seattle, WA, United States
- Department of Pediatrics and Microbiology, University of Washington, Seattle, WA, United States
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | | | - Matthew S. Kelly
- Division of Pediatric Infectious Diseases, Duke University, Durham, NC, United States
| | - Bong-Soo Kim
- Department of Life Science, Multidisciplinary Genome Institute, Hallym University, Chuncheon, South Korea
| | - Yong Kong
- Department of Biostatistics, Yale School of Public Health, Yale University, New Haven, CT, United States
| | - Shuai C. Li
- Department of Computer Science, City University of Hong Kong, Kowloon, Hong Kong SAR, China
- Department of Biomedical Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Jonathan M. Mansbach
- Harvard Medical School, Boston, MA, United States
- Department of Pediatrics, Boston Children’s Hospital, Boston, MA, United States
| | - Asuncion Mejias
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Center for Vaccines and Immunity, Abigail Wexner Research Institute at Nationwide Children’s Hospital, The Ohio State University College of Medicine, Columbus, OH, United States
| | - George A. O’Toole
- Department of Microbiology and Immunology, Geisel School of Medicine at Dartmouth, Hanover, NH, United States
| | - Laura Paalanen
- Finnish Institute for Health and Welfare (THL), Helsinki, Finland
| | - Marcos Pérez-Losada
- Department of Biostatistics and Bioinformatics, Computational Biology Institute, Milken Institute School of Public Health, George Washington University, Washington, DC, United States
- CIBIO-InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Campus Agrário de Vairão, Vairão, Portugal
| | - Melinda M. Pettigrew
- Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, CT, United States
| | - Maxime Pichon
- CHU Poitiers, Infectious Agents Department, Poitiers, France
- University of Poitiers, INSERM U1070, Poitiers, France
| | - Octavio Ramilo
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Center for Vaccines and Immunity, Abigail Wexner Research Institute at Nationwide Children’s Hospital, The Ohio State University College of Medicine, Columbus, OH, United States
| | - Lasse Ruokolainen
- Department of Biosciences, University of Helsinki, Helsinki, Finland
| | | | - Patrick C. Seed
- Department of Pediatrics, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | | | - Brandie D. Wagner
- Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado, Aurora, Aurora, CO, United States
| | - Hana Yi
- School of Biosystem and Biomedical Science, Korea University, Seoul, South Korea
| | - Edith T. Zemanick
- Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, United States
| | | | | | - Michael W. Taylor
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
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Ritchie AI, Baker JR, Parekh TM, Allinson JP, Bhatt SP, Donnelly LE, Donaldson GC. Update in Chronic Obstructive Pulmonary Disease 2020. Am J Respir Crit Care Med 2021; 204:14-22. [PMID: 33856972 DOI: 10.1164/rccm.202102-0253up] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Andy I Ritchie
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Jonathon R Baker
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Trisha M Parekh
- Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, Alabama; and
| | - James P Allinson
- National Heart and Lung Institute, Imperial College London, London, United Kingdom.,Royal Brompton Hospital, Royal Brompton and Harefield National Health Service Foundation Trust, London, United Kingdom
| | - Surya P Bhatt
- Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, Alabama; and
| | - Louise E Donnelly
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
| | - Gavin C Donaldson
- National Heart and Lung Institute, Imperial College London, London, United Kingdom
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Buttery SC, Zysman M, Vikjord SAA, Hopkinson NS, Jenkins C, Vanfleteren LEGW. Contemporary perspectives in COPD: Patient burden, the role of gender and trajectories of multimorbidity. Respirology 2021; 26:419-441. [PMID: 33751727 DOI: 10.1111/resp.14032] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Accepted: 02/21/2021] [Indexed: 12/13/2022]
Abstract
An individual's experience of COPD is determined by many factors in addition to the pathological features of chronic bronchitis and emphysema and the symptoms that derive directly from them. Multimorbidity is the norm rather than the exception, so most people with COPD are living with a range of other medical problems which can decrease overall quality of life. COPD is caused by the inhalation of noxious particles or gases, in particular tobacco smoke, but also by early life disadvantage impairing lung development and by occupations where inhaled exposures are common (e.g. industrial, farming and cleaning work). Wealthy people are therefore relatively protected from developing COPD and people who do develop the condition may have reduced resources to cope. COPD is also no longer a condition that predominantly affects men. The prevalence of COPD among women has equalled that of men since 2008 in many high-income countries, due to increased exposure to tobacco, and in low-income countries due to biomass fuels. COPD is one of the leading causes of death in women in the USA, and death rates attributed to COPD in women in some countries are predicted to overtake those of men in the next decade. Many factors contribute to this phenomenon, but in addition to socioeconomic and occupational factors, there is increasing evidence of a higher susceptibility of females to smoking and pollutants. Quality of life is also more significantly impaired in women. Although most medications (bronchodilators and inhaled corticosteroids) used to treat COPD demonstrate similar trends for exacerbation prevention and lung function improvement in men and women, this is an understudied area and clinical trials frequently have a preponderance of males. A better understanding of gender-based predictors of efficacy of all therapeutic interventions is crucial for comprehensive patient care. There is an urgent need to recognize the increasing burden of COPD in women and to facilitate global improvements in disease prevention and management in this specific population. Many individuals with COPD follow a trajectory of both lung function decline and also multimorbidity. Unfavourable lung function trajectories throughout life have implications for later development of other chronic diseases. An enhanced understanding of the temporal associations underlying the development of coexisting diseases is a crucial first step in unravelling potential common disease pathways. Lessons can be learned from exploring disease trajectories of other NCD as well as multimorbidity development. Further research will be essential to explain how early life risk factors commonly influence trajectories of COPD and other diseases, how different diseases develop in relation to each other in a temporal way and how this ultimately leads to different multimorbidity patterns in COPD. This review integrates new knowledge and ideas pertaining to three broad themes (i) the overall burden of disease in COPD, (ii) an unappreciated high burden in women and (iii) the contrast of COPD trajectories and different multimorbidity patterns with trajectories of other NCD. The underlying pathology of COPD is largely irreversible, but many factors noted in the review are potentially amenable to intervention. Health and social care systems need to ensure that effective treatment is accessible to all people with the condition. Preventive strategies and treatments that alter the course of disease are crucial, particularly for patients with COPD as one of many problems.
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Affiliation(s)
- Sara C Buttery
- National Heart and Lung Institute, Imperial College London, London, UK
| | - Maéva Zysman
- Centre de Recherche cardio-thoracique de Bordeaux, Univ-Bordeaux, Pessac, France.,Service des Maladies Respiratoires, CHU Bordeaux, Pessac, France
| | - Sigrid A A Vikjord
- Department of Medicine and Rehabilitation, Levanger Hospital, Nord-Trøndelag Hospital Trust, Levanger, Norway.,HUNT Research Centre, Department of Public Health and Nursing, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology (NTNU), Levanger, Norway
| | | | - Christine Jenkins
- Respiratory Group, The George Institute for Global Health, Sydney, NSW, Australia
| | - Lowie E G W Vanfleteren
- COPD Center, Department of Respiratory Medicine and Allergology, Sahlgrenska University Hospital, Gothenburg, Sweden.,Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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