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Caffarelli C, Gracci S, Giannì G, Bernardini R. Are Babies Born Preterm High-Risk Asthma Candidates? J Clin Med 2023; 12:5400. [PMID: 37629440 PMCID: PMC10455600 DOI: 10.3390/jcm12165400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 08/12/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
Among preterm infants, the risk of developing asthma is a matter of debate. This review discusses the state of the art of poorly understood prematurity-associated asthma. Impaired pulmonary function is common in children born prematurely. Preterm infants are prone to developing viral respiratory tract infections, bronchiolitis in the first year of life, and recurrent viral wheezing in preschool age. All of these conditions may precede asthma development. We also discuss the role of both atopic sensitization and intestinal microbiome and, consequently, immune maturation. Diet and pollution have been considered to better understand how prematurity could be associated with asthma. Understanding the effect of factors involved in asthma onset may pave the way to improve the prediction of this asthma phenotype.
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Affiliation(s)
- Carlo Caffarelli
- Clinica Pediatrica, Azienda Ospedaliero-Universitaria, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
| | - Serena Gracci
- Pediatric Unit, San Giuseppe Hospital, 50053 Empoli, Italy
| | - Giuliana Giannì
- Clinica Pediatrica, Azienda Ospedaliero-Universitaria, Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
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2
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Miyake K, Kushima M, Shinohara R, Horiuchi S, Otawa S, Akiyama Y, Ooka T, Kojima R, Yokomichi H, Yamagata Z. Maternal smoking status before and during pregnancy and bronchial asthma at 3 years of age: a prospective cohort study. Sci Rep 2023; 13:3234. [PMID: 36828882 PMCID: PMC9958124 DOI: 10.1038/s41598-023-30304-9] [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: 06/15/2022] [Accepted: 02/21/2023] [Indexed: 02/26/2023] Open
Abstract
The association between maternal pre-pregnancy smoking status and asthma risk is unclear. This study aimed to investigate the association between pre- and post-pregnancy maternal smoking status and bronchial asthma at 3 years of age in a large birth cohort. Data of 75,411 mother-child pairs from the Japan Environment and Children's Study (JECS) were analysed using multivariate logistic regression analysis. Overall, 7.2% of the children had bronchial asthma. The maternal smoking status before childbirth was as follows: Never = 60.0%, Quit before recognising current pregnancy = 24.1%, Quit after finding out about current pregnancy = 12.3%, and Still smoking = 3.6%. Children of mothers who sustained smoking during pregnancy had an increased risk of bronchial asthma at 3 years of age even after adjusting for pre- and postnatal covariates (adjusted odds ratio [aOR] 1.34, 95% confidence interval [CI] 1.15-1.56). Children of mothers who quit before (aOR 1.09, 95% CI 1.02-1.18) or after (aOR 1.11, 95% CI 1.01-1.23) recognising the current pregnancy had an increased risk of bronchial asthma at 3 years of age. Maternal smoking throughout pregnancy and smoking exposure pre-pregnancy or in early pregnancy increases the risk of bronchial asthma in children.
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Affiliation(s)
- Kunio Miyake
- Department of Health Sciences, School of Medicine, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi, 409-3898, Japan.
| | - Megumi Kushima
- grid.267500.60000 0001 0291 3581Center for Birth Cohort Studies, University of Yamanashi, Yamanashi, Japan
| | - Ryoji Shinohara
- grid.267500.60000 0001 0291 3581Center for Birth Cohort Studies, University of Yamanashi, Yamanashi, Japan
| | - Sayaka Horiuchi
- grid.267500.60000 0001 0291 3581Center for Birth Cohort Studies, University of Yamanashi, Yamanashi, Japan
| | - Sanae Otawa
- grid.267500.60000 0001 0291 3581Center for Birth Cohort Studies, University of Yamanashi, Yamanashi, Japan
| | - Yuka Akiyama
- grid.267500.60000 0001 0291 3581Department of Health Sciences, School of Medicine, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi 409-3898 Japan
| | - Tadao Ooka
- grid.267500.60000 0001 0291 3581Department of Health Sciences, School of Medicine, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi 409-3898 Japan
| | - Reiji Kojima
- grid.267500.60000 0001 0291 3581Department of Health Sciences, School of Medicine, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi 409-3898 Japan
| | - Hiroshi Yokomichi
- grid.267500.60000 0001 0291 3581Department of Health Sciences, School of Medicine, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi 409-3898 Japan
| | - Zentaro Yamagata
- grid.267500.60000 0001 0291 3581Department of Health Sciences, School of Medicine, University of Yamanashi, 1110 Shimokato, Chuo, Yamanashi 409-3898 Japan ,grid.267500.60000 0001 0291 3581Center for Birth Cohort Studies, University of Yamanashi, Yamanashi, Japan
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3
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Schrott R, Song A, Ladd-Acosta C. Epigenetics as a Biomarker for Early-Life Environmental Exposure. Curr Environ Health Rep 2022; 9:604-624. [PMID: 35907133 DOI: 10.1007/s40572-022-00373-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/27/2022] [Indexed: 01/31/2023]
Abstract
PURPOSE OF REVIEW There is interest in evaluating the developmental origins of health and disease (DOHaD) which emphasizes the role of prenatal and early-life environments on non-communicable health outcomes throughout the life course. The ability to rigorously assess and identify early-life risk factors for later health outcomes, including those with childhood onset, in large population samples is often limited due to measurement challenges such as impractical costs associated with prospective studies with a long follow-up duration, short half-lives for some environmental toxicants, and lack of biomarkers that capture inter-individual differences in biologic response to external environments. RECENT FINDINGS Epigenomic patterns, and DNA methylation in particular, have emerged as a potential objective biomarker to address some of these study design and exposure measurement challenges. In this article, we summarize the literature to date on epigenetic changes associated with specific prenatal and early-life exposure domains as well as exposure mixtures in human observational studies and their biomarker potential. Additionally, we highlight evidence for other types of epigenetic patterns to serve as exposure biomarkers. Evidence strongly supports epigenomic biomarkers of exposure that are detectable across the lifespan and across a range of exposure domains. Current and future areas of research in this field seek to expand these lines of evidence to other environmental exposures, to determine their specificity, and to develop predictive algorithms and methylation scores that can be used to evaluate early-life risk factors for health outcomes across the life span.
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Affiliation(s)
- Rose Schrott
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Ashley Song
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Christine Ladd-Acosta
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, 615 N. Wolfe Street, Baltimore, MD, 21205, USA.
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4
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Wheatley LM, Holloway JW, Svanes C, Sears MR, Breton C, Fedulov AV, Nilsson E, Vercelli D, Zhang H, Togias A, Arshad SH. The role of epigenetics in multi-generational transmission of asthma: An NIAID workshop report-based narrative review. Clin Exp Allergy 2022; 52:1264-1275. [PMID: 36073598 PMCID: PMC9613603 DOI: 10.1111/cea.14223] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 08/27/2022] [Accepted: 08/29/2022] [Indexed: 01/26/2023]
Abstract
There is mounting evidence that environmental exposures can result in effects on health that can be transmitted across generations, without the need for a direct exposure to the original factor, for example, the effect of grandparental smoking on grandchildren. Hence, an individual's health should be investigated with the knowledge of cross-generational influences. Epigenetic factors are molecular factors or processes that regulate genome activity and may impact cross-generational effects. Epigenetic transgenerational inheritance has been demonstrated in plants and animals, but the presence and extent of this process in humans are currently being investigated. Experimental data in animals support transmission of asthma risk across generations from a single exposure to the deleterious factor and suggest that the nature of this transmission is in part due to changes in DNA methylation, the most studied epigenetic process. The association of father's prepuberty exposure with offspring risk of asthma and lung function deficit may also be mediated by epigenetic processes. Multi-generational birth cohorts are ideal to investigate the presence and impact of transfer of disease susceptibility across generations and underlying mechanisms. However, multi-generational studies require recruitment and assessment of participants over several decades. Investigation of adult multi-generation cohorts is less resource intensive but run the risk of recall bias. Statistical analysis is challenging given varying degrees of longitudinal and hierarchical data but path analyses, structural equation modelling and multilevel modelling can be employed, and directed networks addressing longitudinal effects deserve exploration as an effort to study causal pathways.
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Affiliation(s)
- Lisa M. Wheatley
- National Institute of Allergy and Infectious DiseaseNational Institutes of HealthBethesdaMarylandUSA
| | - John W. Holloway
- Faculty of Medicine, Human Development and HealthUniversity of SouthamptonSouthamptonUK
| | - Cecilie Svanes
- Department of Global Public Health and Primary CareUniversity of BergenBergenNorway
| | | | - Carrie Breton
- University of Southern CaliforniaLos AngelesCaliforniaUSA
| | - Alexey V. Fedulov
- Warren Alpert Medical School of Brown University, Rhode Island HospitalProvidenceRhode IslandUSA
| | - Eric Nilsson
- Washington State University PullmanPullmanWashingtonUSA
| | | | - Hongmei Zhang
- Division of Epidemiology, Biostatistics and Environmental Health, School of Public HealthUniversity of MemphisMemphisTennesseeUSA
| | - Alkis Togias
- National Institute of Allergy and Infectious DiseaseNational Institutes of HealthBethesdaMarylandUSA
| | - Syed Hasan Arshad
- Clinical and Experimental Sciences, Faculty of MedicineUniversity of SouthamptonSouthamptonUK
- The David Hide Asthma and Allergy CentreSt Mary's HospitalNewportUK
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5
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Gutierrez MJ, Perez GF, Gomez JL, Rodriguez-Martinez CE, Castro-Rodriguez JA, Nino G. Genes, environment, and developmental timing: New insights from translational approaches to understand early origins of respiratory diseases. Pediatr Pulmonol 2021; 56:3157-3165. [PMID: 34388306 PMCID: PMC8858026 DOI: 10.1002/ppul.25598] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 06/17/2021] [Accepted: 06/22/2021] [Indexed: 12/24/2022]
Abstract
Over the past decade, "omics" approaches have advanced our understanding of the molecular programming of the airways in humans. Several studies have identified potential molecular mechanisms that contribute to early life epigenetic reprogramming, including DNA methylation, histone modifications, microRNAs, and the homeostasis of the respiratory mucosa (epithelial function and microbiota). Current evidence supports the notion that early infancy is characterized by heightened susceptibility to airway genetic reprogramming in response to the first exposures in life, some of which can have life-long consequences. Here, we summarize and analyze the latest insights from studies that support a novel epigenetic paradigm centered on human maturational and developmental programs including three cardinal elements: genes, environment, and developmental timing. The combination of these factors is likely responsible for the functional trajectory of the respiratory system at the molecular, functional, and clinical levels.
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Affiliation(s)
- Maria J Gutierrez
- Division of Pediatric Allergy and Immunology, Johns Hopkins University, Baltimore, Maryland, USA
| | - Geovanny F Perez
- Division of Pediatric Pulmonology, Oishei Children's Hospital, University at Buffalo, Buffalo, New York, USA
| | - Jose L Gomez
- Department of Internal Medicine, Section of Pulmonary, Critical Care, and Sleep Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Carlos E Rodriguez-Martinez
- Department of Pediatrics, Universidad Nacional de Colombia, Bogota, Colombia.,Department of Pediatric Pulmonology and Pediatric Critical Care Medicine, School of Medicine, Universidad El Bosque, Bogota, Colombia
| | - Jose A Castro-Rodriguez
- Department of Pediatric Pulmonology, School of Medicine, Pontificia Universidad Catolica de Chile, Santiago, Chile
| | - Gustavo Nino
- Division of Pediatric Pulmonary and Sleep Medicine, Children's National Hospital, George Washington University, Washington D.C., USA
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6
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Role of Epigenetics in the Pathogenesis, Treatment, Prediction, and Cellular Transformation of Asthma. Mediators Inflamm 2021; 2021:9412929. [PMID: 34566492 PMCID: PMC8457970 DOI: 10.1155/2021/9412929] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 08/27/2021] [Indexed: 12/15/2022] Open
Abstract
Asthma is a mysterious disease with heterogeneity in etiology, pathogenesis, and clinical phenotypes. Although ongoing studies have provided a better understanding of asthma, its natural history, progression, pathogenesis, diversified phenotypes, and even the exact epigenetic linkage between childhood asthma and adult-onset/old age asthma remain elusive in many aspects. Asthma heritability has been established through genetic studies, but genetics is not the only influencing factor in asthma. The increasing incidence and some unsolved queries suggest that there may be other elements related to asthma heredity. Epigenetic mechanisms link genetic and environmental factors with developmental trajectories in asthma. This review provides an overview of asthma epigenetics and its components, including several epigenetic studies on asthma, and discusses the epigenetic linkage between childhood asthma and adult-onset/old age asthma. Studies involving asthma epigenetics present valuable novel approaches to solve issues related to asthma. Asthma epigenetic research guides us towards gene therapy and personalized T cell therapy, directs the discovery of new therapeutic agents, predicts long-term outcomes in severe cases, and is also involved in the cellular transformation of childhood asthma to adult-onset/old age asthma.
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7
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Weidner J, Bartel S, Kılıç A, Zissler UM, Renz H, Schwarze J, Schmidt‐Weber CB, Maes T, Rebane A, Krauss‐Etschmann S, Rådinger M. Spotlight on microRNAs in allergy and asthma. Allergy 2021; 76:1661-1678. [PMID: 33128813 PMCID: PMC8246745 DOI: 10.1111/all.14646] [Citation(s) in RCA: 96] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 10/16/2020] [Accepted: 10/25/2020] [Indexed: 12/14/2022]
Abstract
In past 10 years, microRNAs (miRNAs) have gained scientific attention due to their importance in the pathophysiology of allergic diseases and their potential as biomarkers in liquid biopsies. They act as master post‐transcriptional regulators that control most cellular processes. As one miRNA can target several mRNAs, often within the same pathway, dysregulated expression of miRNAs may alter particular cellular responses and contribute, or lead, to the development of various diseases. In this review, we give an overview of the current research on miRNAs in allergic diseases, including atopic dermatitis, allergic rhinitis, and asthma. Specifically, we discuss how individual miRNAs function in the regulation of immune responses in epithelial cells and specialized immune cells in response to different environmental factors and respiratory viruses. In addition, we review insights obtained from experiments with murine models of allergic airway and skin inflammation and offer an overview of studies focusing on miRNA discovery using profiling techniques and bioinformatic modeling of the network effect of multiple miRNAs. In conclusion, we highlight the importance of research into miRNA function in allergy and asthma to improve our knowledge of the molecular mechanisms involved in the pathogenesis of this heterogeneous group of diseases.
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Affiliation(s)
- Julie Weidner
- Department of Internal Medicine and Clinical Nutrition Krefting Research Centre Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
| | - Sabine Bartel
- Department of Pathology and Medical Biology GRIAC Research Institute University Medical Center Groningen University of Groningen Groningen The Netherlands
| | - Ayse Kılıç
- Channing Division of Network Medicine Brigham and Women's Hospital Boston MA USA
| | - Ulrich M. Zissler
- Center for Allergy and Environment (ZAUM) Technical University of Munich and Helmholtz Center MunichGerman Research Center for Environmental Health Munich Germany
| | - Harald Renz
- Institut für Laboratoriumsmedizin und Pathobiochemie Philipps University of Marburg Marburg Germany
| | - Jürgen Schwarze
- Centre for Inflammation Research The University of Edinburgh Edinburgh UK
| | - Carsten B. Schmidt‐Weber
- Center for Allergy and Environment (ZAUM) Technical University of Munich and Helmholtz Center MunichGerman Research Center for Environmental Health Munich Germany
| | - Tania Maes
- Department of Respiratory Medicine Ghent University Ghent Belgium
| | - Ana Rebane
- Institute of Biomedicine and Translational Medicine University of Tartu Tartu Estonia
| | - Susanne Krauss‐Etschmann
- Research Center Borstel Borstel Germany
- Institute of Experimental Medicine Christian‐Albrechts University Kiel Kiel Germany
| | - Madeleine Rådinger
- Department of Internal Medicine and Clinical Nutrition Krefting Research Centre Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
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8
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Sheikhpour M, Maleki M, Ebrahimi Vargoorani M, Amiri V. A review of epigenetic changes in asthma: methylation and acetylation. Clin Epigenetics 2021; 13:65. [PMID: 33781317 PMCID: PMC8008616 DOI: 10.1186/s13148-021-01049-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 03/04/2021] [Indexed: 12/30/2022] Open
Abstract
Several studies show that childhood and adulthood asthma and its symptoms can be modulated through epigenetic modifications. Epigenetic changes are inheritable modifications that can modify the gene expression without changing the DNA sequence. The most common epigenetic alternations consist of DNA methylation and histone modifications. How these changes lead to asthmatic phenotype or promote the asthma features, in particular by immune pathways regulation, is an understudied topic. Since external effects, like exposure to tobacco smoke, air pollution, and drugs, influence both asthma development and the epigenome, elucidating the role of epigenetic changes in asthma is of great importance. This review presents available evidence on the epigenetic process that drives asthma genes and pathways, with a particular focus on DNA methylation, histone methylation, and acetylation. We gathered and assessed studies conducted in this field over the past two decades. Our study examined asthma in different aspects and also shed light on the limitations and the important factors involved in the outcomes of the studies. To date, most of the studies in this area have been carried out on DNA methylation. Therefore, the need for diagnostic and therapeutic applications through this molecular process calls for more research on the histone modifications in this disease.
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Affiliation(s)
- Mojgan Sheikhpour
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran.
- Microbiology Research Center, Pasteur Institute of Iran, Tehran, Iran.
| | - Mobina Maleki
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
| | - Maryam Ebrahimi Vargoorani
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
- Department of Microbiology, College of Basic Sciences, Tehran North Branch, Islamic Azad University, Tehran, Iran
| | - Vahid Amiri
- Department of Mycobacteriology and Pulmonary Research, Pasteur Institute of Iran, Tehran, Iran
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9
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Abstract
PURPOSE OF REVIEW This review aims to recognize the multifactorial cause of asthma, from the influence of mother until adulthood, highlight the main characteristics of the disease at different ages and summarize the evidence of potential prevention strategies. RECENT FINDINGS To date, regarding the prenatal period, the presence of specific genes, maternal asthma, drugs, and tobacco exposure are the most relevant predisposing features for an asthmatic offspring. For newborns, preterm, bronchopulmonary dysplasia, and low birth weight has been associated with low lung function. Among young children, atopic dermatitis, lower respiratory tract infections, and increased levels of total Immunoglobulin E (IgE) and allergen-specific IgE are important determinants.Breastfeeding has been demonstrated being protective for the onset of asthma. Allergen immunotherapy has also been shown to have significant preventive effect decreasing asthma development. Inhaled corticosteroids use in early childhood prevents exacerbations but does not alter the natural history of asthma. Other interventions, such as the use of palivizumab, probiotics, vitamin D supplementation, and fish consumption presented controversial results. SUMMARY A good knowledge of risk factors for asthma development, from prenatal period to adulthood, may lead to efficacious preventive strategies. Further data of long-term follow-up in population-based studies according to different phenotypes are needed.
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10
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He Z, Wu H, Zhang S, Lin Y, Li R, Xie L, Li Z, Sun W, Huang X, Zhang CJP, Ming WK. The association between secondhand smoke and childhood asthma: A systematic review and meta-analysis. Pediatr Pulmonol 2020; 55:2518-2531. [PMID: 32667747 DOI: 10.1002/ppul.24961] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 07/10/2020] [Accepted: 07/12/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND Secondhand smoke (SHS) exposure can trigger asthma exacerbations in children. Different studies have linked increased asthma symptoms and even deaths in children with SHS, but the risk has not been quantified uniformly across studies. We aimed to investigate the role of SHS exposure as a risk factor of asthma among children. METHODS We performed a systematic review in PubMed, Scopus, and Google Scholar from June 1975 to 10 March 2020. We included cohort, case-control, and cross-sectional studies reporting odds ratio (OR) or relative risk estimates and confidence intervals of all types of SHS exposure and childhood asthma. RESULTS Of the 26 970 studies identified, we included 93 eligible studies (42 cross-sectional, 41 cohort, and 10 case-control) in the meta-analysis. There were significantly positive associations between SHS exposure and doctor-diagnosed asthma (OR = 1.24; 95% confidence interval (CI) = 1.20-1.28), wheezing (OR = 1.27; 95% CI = 1.23-1.32) and asthma-like syndrome (OR = 1.34; 95% CI = 1.34-1.64). The funnel plots of all three outcomes skewed to the right, indicating that the studies generally favor a positive association of the disease with tobacco exposure. Subgroup analysis demonstrated that younger children tended to suffer more from developing doctor-diagnosed asthma, but older children (adolescents) suffered more from wheezing. There was no evidence of significant publication or small study bias using Egger's and Begg's tests. CONCLUSION The results show a positive association between prenatal and postnatal secondhand smoking exposure and the occurrence of childhood asthma, asthma-like syndrome, and wheezing. These results lend support to continued efforts to reduce childhood exposure to secondhand smoke.
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Affiliation(s)
- Zonglin He
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong, China.,Faculty of Medicine, International School, Jinan University, Guangzhou, Guangdong, China
| | - Huailiang Wu
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong, China.,Faculty of Medicine, International School, Jinan University, Guangzhou, Guangdong, China
| | - Siyu Zhang
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong, China.,Faculty of Medicine, International School, Jinan University, Guangzhou, Guangdong, China
| | - Yuchen Lin
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong, China.,Faculty of Medicine, International School, Jinan University, Guangzhou, Guangdong, China
| | - Rui Li
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong, China.,Faculty of Medicine, International School, Jinan University, Guangzhou, Guangdong, China
| | - Lijie Xie
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong, China.,Faculty of Medicine, International School, Jinan University, Guangzhou, Guangdong, China
| | - Zibo Li
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong, China.,Faculty of Medicine, International School, Jinan University, Guangzhou, Guangdong, China
| | - Weiwei Sun
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong, China.,Faculty of Medicine, International School, Jinan University, Guangzhou, Guangdong, China
| | - Xinyu Huang
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong, China.,Faculty of Medicine, International School, Jinan University, Guangzhou, Guangdong, China
| | - Casper J P Zhang
- School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Wai-Kit Ming
- Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou, Guangdong, China.,Faculty of Medicine, International School, Jinan University, Guangzhou, Guangdong, China.,School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong.,Harvard Medical School, Harvard University, Boston, Massachusetts
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11
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Sugita K, Soyka MB, Wawrzyniak P, Rinaldi AO, Mitamura Y, Akdis M, Akdis CA. Outside-in hypothesis revisited: The role of microbial, epithelial, and immune interactions. Ann Allergy Asthma Immunol 2020; 125:517-527. [PMID: 32454094 DOI: 10.1016/j.anai.2020.05.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/14/2020] [Accepted: 05/17/2020] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Our understanding of the origin of allergic diseases has increased in recent years, highlighting the importance of microbial dysbiosis and epithelial barrier dysfunction in affected tissues. Exploring the microbial-epithelial-immune crosstalk underlying the mechanisms of allergic diseases will allow the development of novel prevention and treatment strategies for allergic diseases. DATA SOURCES This review summarizes the recent advances in microbial, epithelial, and immune interactions in atopic dermatitis, allergic rhinitis, chronic rhinosinusitis, and asthma. STUDY SELECTIONS We performed a literature search, identifying relevant recent primary articles and review articles. RESULTS Dynamic crosstalk between the environmental factors and microbial, epithelial, and immune cells in the development of atopic dermatitis, allergic rhinitis, chronic rhinosinusitis, and asthma underlies the pathogenesis of these diseases. There is substantial evidence in the literature suggesting that environmental factors directly affect barrier function of the epithelium. In addition, T-helper 2 (TH2) cells, type 2 innate lymphoid cells, and their cytokine interleukin 13 (IL-13) damage skin and lung barriers. The effects of environmental factors may at least in part be mediated by epigenetic mechanisms. Histone deacetylase activation by type 2 immune response has a major effect on leaky barriers and blocking of histone deacetylase activity corrects the defective barrier in human air-liquid interface cultures and mouse models of allergic asthma with rhinitis. We also present and discuss a novel device to detect and monitor skin barrier dysfunction, which provides an opportunity to rapidly and robustly assess disease severity. CONCLUSION A complex interplay between environmental factors, epithelium, and the immune system is involved in the development of systemic allergic diseases.
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Affiliation(s)
- Kazunari Sugita
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland; Christine Kühne-Center for Allergy Research and Education, Davos, Switzerland; Division of Dermatology, Department of Medicine of Sensory and Motor Organs, Faculty of Medicine, Tottori University, Yonago, Japan.
| | - Michael B Soyka
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland; Department of Otorhinolaryngology, Head and Neck Surgery, University and University Hospital of Zurich, Zurich, Switzerland
| | - Paulina Wawrzyniak
- Division of Clinical Chemistry and Biochemistry and Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Arturo O Rinaldi
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Yasutaka Mitamura
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland; Christine Kühne-Center for Allergy Research and Education, Davos, Switzerland
| | - Mübeccel Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland
| | - Cezmi A Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Davos, Switzerland; Christine Kühne-Center for Allergy Research and Education, Davos, Switzerland
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12
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Braun M, Klingelhöfer D, Oremek GM, Quarcoo D, Groneberg DA. Influence of Second-Hand Smoke and Prenatal Tobacco Smoke Exposure on Biomarkers, Genetics and Physiological Processes in Children-An Overview in Research Insights of the Last Few Years. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E3212. [PMID: 32380770 PMCID: PMC7246681 DOI: 10.3390/ijerph17093212] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 04/16/2020] [Accepted: 04/29/2020] [Indexed: 02/07/2023]
Abstract
Children are commonly exposed to second-hand smoke (SHS) in the domestic environment or inside vehicles of smokers. Unfortunately, prenatal tobacco smoke (PTS) exposure is still common, too. SHS is hazardous to the health of smokers and non-smokers, but especially to that of children. SHS and PTS increase the risk for children to develop cancers and can trigger or worsen asthma and allergies, modulate the immune status, and is harmful to lung, heart and blood vessels. Smoking during pregnancy can cause pregnancy complications and poor birth outcomes as well as changes in the development of the foetus. Lately, some of the molecular and genetic mechanisms that cause adverse health effects in children have been identified. In this review, some of the current insights are discussed. In this regard, it has been found in children that SHS and PTS exposure is associated with changes in levels of enzymes, hormones, and expression of genes, micro RNAs, and proteins. PTS and SHS exposure are major elicitors of mechanisms of oxidative stress. Genetic predisposition can compound the health effects of PTS and SHS exposure. Epigenetic effects might influence in utero gene expression and disease susceptibility. Hence, the limitation of domestic and public exposure to SHS as well as PTS exposure has to be in the focus of policymakers and the public in order to save the health of children at an early age. Global substantial smoke-free policies, health communication campaigns, and behavioural interventions are useful and should be mandatory.
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Affiliation(s)
- Markus Braun
- Institute of Occupational Medicine, Social Medicine and Environmental Medicine, Goethe University Frankfurt, D-60590 Frankfurt, Germany; (D.K.); (G.M.O.); (D.Q.); (D.A.G.)
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Abstract
PURPOSE OF REVIEW Allergic diseases are prototypic examples for gene × environment-wide interactions. This review considers the current evidence for genetic and epigenetic mechanisms in allergic diseases and highlights barriers and facilitators for the implementation of these novel tools both for research and clinical practice. RECENT FINDINGS The value of whole-genome sequencing studies and the use of polygenic risk score analysis in homogeneous well characterized populations are currently being tested. Epigenetic mechanisms are known to play a crucial role in the pathogenesis of allergic disorders, especially through mediating the effects of the environmental factors, well recognized risk modifiers. There is emerging evidence for the immune-modulatory role of probiotics through epigenetic changes. Direct or indirect targeting of epigenetic mechanisms affect expression of the genes favouring the development of allergic diseases and can improve tissue biology. The ability to specifically edit the epigenome, especially using the Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/Cas9 technology, holds the promise of enhancing understanding of how epigenetic modifications function and enabling manipulation of cell phenotype for research or therapeutic purposes. SUMMARY Additional research in the role of genetic and epigenetic mechanisms in relation to allergic diseases' endotypes is needed. An international project characterizing the human epigenome in relation to allergic diseases is warranted.
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Tsai KYF, Hirschi Budge KM, Llavina S, Davis T, Long M, Bennett A, Sitton B, Arroyo JA, Reynolds PR. RAGE and AXL expression following secondhand smoke (SHS) exposure in mice. Exp Lung Res 2019; 45:297-309. [PMID: 31762322 DOI: 10.1080/01902148.2019.1684596] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Accepted: 10/21/2019] [Indexed: 02/07/2023]
Abstract
Aim and Purpose: Tobacco exposure is one of the top three global health risks leading to the development of chronic obstructive pulmonary disease (COPD). Although there is extensive research into the effects of cigarette smoke, the effect of secondhand smoke (SHS) in the lung remains limited. SHS induces receptors for advanced glycation end-products (RAGE) and an inflammatory response that leads to COPD characteristics. Semi-synthetic glycosaminoglycan ethers (SAGEs) are sulfated polysaccharides derived from hyaluronic acid that inhibit RAGE signaling. The growth arrest-specific 6 (Gas6) protein is known to induce dynamic cellular responses and is correlated with cell function. Gas6 binds to the AXL tyrosine kinase receptor and AXL-mediated signaling is implicated in proliferation and inflammation. This project's purpose was to study the correlation between RAGE, AXL, and Gas6 during SHS exposure in the lung. Methods: C57Bl/6 mice were exposed to SHS alone or SHS + SAGEs for 4 weeks and compared to control animals exposed to room air (RA). Results: Compared to controls we observed: 1) increased RAGE mRNA and protein expression in SHS-exposed lungs which was decreased by SAGEs; 2) decreased expression of total AXL, but highly elevated pAXL expression following exposure; 3) highly elevated Gas6 expression when RAGE was targeted by SAGEs during SHS exposure; 4) SHS-mediated BALF cellularity and inflammatory molecule elaboration; and 5) the induction of both RAGE and AXL by Gas6 in cell culture models. Conclusions: Our results suggest that there is a possible correlation between RAGE and AXL during SHS exposure. Additional research is critically needed that dissects the molecular interplay between these two important signaling cascades. At this point, the current studies provide insight into tobacco-mediated effects in the lung and clarify possible avenues for alleviating complications that could arise during SHS exposure such as those observed during COPD exacerbations.
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Affiliation(s)
- Kary Y F Tsai
- Lung and Placenta Laboratory, Department of Physiology and Developmental Biology, Brigham Young University, Provo, Utah, USA
| | - Kelsey M Hirschi Budge
- Lung and Placenta Laboratory, Department of Physiology and Developmental Biology, Brigham Young University, Provo, Utah, USA
| | - Sam Llavina
- Lung and Placenta Laboratory, Department of Physiology and Developmental Biology, Brigham Young University, Provo, Utah, USA
| | - Taylor Davis
- Lung and Placenta Laboratory, Department of Physiology and Developmental Biology, Brigham Young University, Provo, Utah, USA
| | - Matt Long
- Lung and Placenta Laboratory, Department of Physiology and Developmental Biology, Brigham Young University, Provo, Utah, USA
| | - Abby Bennett
- Lung and Placenta Laboratory, Department of Physiology and Developmental Biology, Brigham Young University, Provo, Utah, USA
| | - Beau Sitton
- Lung and Placenta Laboratory, Department of Physiology and Developmental Biology, Brigham Young University, Provo, Utah, USA
| | - Juan A Arroyo
- Lung and Placenta Laboratory, Department of Physiology and Developmental Biology, Brigham Young University, Provo, Utah, USA
| | - Paul R Reynolds
- Lung and Placenta Laboratory, Department of Physiology and Developmental Biology, Brigham Young University, Provo, Utah, USA
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