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Tsai YG, Chio CP, Yang KD, Lin CH, Yeh YP, Chang YJ, Chien JW, Wang SL, Huang SK, Chan CC. Long-term PM 2.5 exposure is associated with asthma prevalence and exhaled nitric oxide levels in children. Pediatr Res 2024:10.1038/s41390-023-02977-5. [PMID: 38263452 DOI: 10.1038/s41390-023-02977-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 10/19/2023] [Accepted: 11/26/2023] [Indexed: 01/25/2024]
Abstract
BACKGROUND Exhaled nitric oxide concentration (FENO) is a marker of airway inflammation. This study aimed to evaluate the association of air pollution exposure with FENO levels and asthma prevalence with respiratory symptoms in school children. METHODS We analyzed 4736 school children who reside in six townships near industrial areas in central Taiwan. We evaluated asthmatic symptoms, FENO, and conducted the environmental questionnaire. The personal exposure of PM2.5, NO, and SO2 was estimated using land-use regression models data on children's school and home addresses. RESULTS Annual exposure to PM2.5 was associated with increased odds of physician-diagnosed asthma (OR = 1.595), exercise-induced wheezing (OR = 1.726), itchy eyes (OR = 1.417), and current nasal problems (OR = 1.334) (P < 0.05). FENO levels in the absence of infection were positively correlated with age, previous wheezing, allergic rhinitis, atopic eczema, near the road, and for children with high exposure to PM2.5 (P < 0.05). An increase of 1 μg/m3 PM2.5 exposure was significantly associated with a 1.0% increase in FENO levels for children after adjusting for potential confounding variables, including exposures to NO and SO2. CONCLUSIONS Long-term exposures to PM2.5 posed a significant risk of asthma prevalence and airway inflammation in a community-based population of children. IMPACT Annual exposure to PM2.5 was associated with increased odds of physician-diagnosed asthma and nasal problems and itchy eyes. Long-term exposures to PM2.5 were significantly associated with FENO levels after adjusting for potential confounding variables. This is first study to assess the association between FENO levels and long-term air pollution exposures in children near coal-based power plants. An increase of 1 μg/m3 annual PM2.5 exposure was significantly associated with a 1.0% increase in FENO levels. Long-term exposures to PM2.5 posed a significant risk of asthma prevalence and airway inflammation in a community-based population of children.
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Affiliation(s)
- Yi-Giien Tsai
- Department of Pediatrics, Changhua Christian Children's Hospital, Changhua, Taiwan, ROC
- School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, ROC
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan, ROC
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan, ROC
| | - Chia-Pin Chio
- Department of Medical Research, Tungs' Taichung MetroHarbor Hospital, Taichung, Taiwan, ROC
- Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei, Taiwan, ROC
| | - Kuender D Yang
- Department of Pediatrics, Mackay Memorial Hospital, and Department of Microbiology & Immunology, National Defense Medical Center, Taipei, Taiwan, ROC
| | - Ching-Hsiung Lin
- Division of Chest Medicine, Department of Internal Medicine, Changhua Christian Hospital, Changhua, Taiwan, ROC
- Institute of Genomics and Bioinformatics, National Chung Hsing University, Taichung, Taiwan, ROC
- Ph.D. Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan, ROC
- Department of Recreation and Holistic Wellness, MingDao University, Changhua, Taiwan, ROC
| | - Yen-Po Yeh
- Changhua County Public Health Bureau, Changhua, Taiwan, ROC
| | - Yu-Jun Chang
- Epidemiology and Biostatistics Center, Changhua Christian Hospital, Changhua, Taiwan, ROC
| | - Jien-Wen Chien
- Department of Pediatrics, Changhua Christian Children's Hospital, Changhua, Taiwan, ROC
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan, ROC
| | - Shu-Li Wang
- National Institute of Environmental Health Sciences, National Health Research Institutes, 35 Keyan Rd, Zhunan, Miaoli County, Miaoli, Taiwan, ROC.
| | - Shau-Ku Huang
- National Institute of Environmental Health Sciences, National Health Research Institutes, 35 Keyan Rd, Zhunan, Miaoli County, Miaoli, Taiwan, ROC.
- Johns Hopkins Asthma and Allergy Center, School of Medicine, Johns Hopkins University, Baltimore, MD, USA.
| | - Chang-Chuan Chan
- Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei, Taiwan, ROC.
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Bouma F, Nyberg F, Olin AC, Carlsen HK. Genetic susceptibility to airway inflammation and exposure to short-term outdoor air pollution. Environ Health 2023; 22:50. [PMID: 37386634 DOI: 10.1186/s12940-023-00996-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 06/02/2023] [Indexed: 07/01/2023]
Abstract
BACKGROUND Air pollution is a large environmental health hazard whose exposure and health effects are unequally distributed among individuals. This is, at least in part, due to gene-environment interactions, but few studies exist. Thus, the current study aimed to explore genetic susceptibility to airway inflammation from short-term air pollution exposure through mechanisms of gene-environment interaction involving the SFTPA, GST and NOS genes. METHODS Five thousand seven hundred two adults were included. The outcome measure was fraction of exhaled nitric oxide (FeNO), at 50 and 270 ml/s. Exposures were ozone (O3), particulate matter < 10 µm (PM10), and nitrogen dioxide (NO2) 3, 24, or 120-h prior to FeNO measurement. In the SFTPA, GST and NOS genes, 24 single nucleotide polymorphisms (SNPs) were analyzed for interaction effects. The data were analyzed using quantile regression in both single-and multipollutant models. RESULTS Significant interactions between SNPs and air pollution were found for six SNPs (p < 0.05): rs4253527 (SFTPA1) with O3 and NOx, rs2266637 (GSTT1) with NO2, rs4795051 (NOS2) with PM10, NO2 and NOx, rs4796017 (NOS2) with PM10, rs2248814 (NOS2) with PM10 and rs7830 (NOS3) with NO2. The marginal effects on FeNO for three of these SNPs were significant (per increase of 10 µg/m3):rs4253527 (SFTPA1) with O3 (β: 0.155, 95%CI: 0.013-0.297), rs4795051 (NOS2) with PM10 (β: 0.073, 95%CI: 0.00-0.147 (single pollutant), β: 0.081, 95%CI: 0.004-0.159 (multipollutant)) and NO2 (β: -0.084, 95%CI: -0.147; -0.020 (3 h), β: -0.188, 95%CI: -0.359; -0.018 (120 h)) and rs4796017 (NOS2) with PM10 (β: 0.396, 95%CI: 0.003-0.790). CONCLUSIONS Increased inflammatory response from air pollution exposure was observed among subjects with polymorphisms in SFTPA1, GSTT1, and NOS genes, where O3 interacted with SFTPA1 and PM10 and NO2/NOx with the GSTT1 and NOS genes. This provides a basis for the further exploration of biological mechanisms as well as the identification of individuals susceptible to the effects of outdoor air pollution.
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Affiliation(s)
- Femke Bouma
- Department of Occupational and Environmental Health, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Medicinaregatan 16A, BOX 414, 40530, Gothenburg, Sweden
| | - Fredrik Nyberg
- School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg University, Gothenburg, Sweden
| | - Anna-Carin Olin
- Department of Occupational and Environmental Health, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Medicinaregatan 16A, BOX 414, 40530, Gothenburg, Sweden
| | - Hanne Krage Carlsen
- Department of Occupational and Environmental Health, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Medicinaregatan 16A, BOX 414, 40530, Gothenburg, Sweden.
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Kress S, Kilanowski A, Wigmann C, Zhao Q, Zhao T, Abramson MJ, Gappa M, Standl M, Unfried K, Schikowski T. Airway inflammation in adolescents and elderly women: Chronic air pollution exposure and polygenic susceptibility. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 841:156655. [PMID: 35697214 DOI: 10.1016/j.scitotenv.2022.156655] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 06/01/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND AND AIM The fractional exhaled nitric oxide (FeNO) concentration in the exhaled breath is a biomarker for eosinophilic airway inflammation. We explored the interplay between chronic air pollution exposure and polygenic susceptibility to airway inflammation at different critical age stages. METHODS Adolescents (15 yr) enrolled in the GINIplus/LISA birth cohorts (n = 2434) and 220 elderly women (75 yr on average) enrolled in the SALIA cohort with FeNO measurements available were investigated. Environmental main effects of the mean of ESCAPE land-use regression air pollutant concentrations within a time window of 15 years and main effects of the polygenic risk scores (PRS) using internal weights from elastic net regression of genome-wide derived single nucleotide polymorphisms were investigated. Furthermore, we examined gene-environment interaction (GxE) effects on natural log-transformed FeNO levels by adjusted linear regression models. RESULTS While we observed no significant environmental and polygenic main effects on airway inflammation in either age group, we found robust harmful effects of chronic nitrogen dioxide (NO2) exposure in the GxE models for elderly women (16.2 % increase in FeNO, p-value = 0.027). Stratified analyses found GxE effects between the PRS and chronic NO2 exposure in never-smoker elderly women and in adolescents without any inflammatory respiratory conditions. CONCLUSIONS FeNO measurement is a useful biomarker to detect higher risk of NO2-induced eosinophilic airway inflammation in the elderly. There was limited evidence for GxE effects on airway inflammation in adolescents or the elderly. Further GxE studies in subpopulations should be conducted to investigate the assumption that susceptibility to airway inflammation differs between age stages.
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Affiliation(s)
- Sara Kress
- IUF - Leibniz Research Institute for Environmental Medicine, Auf'm Hennekamp 50, Düsseldorf 40225, Germany; Medical Research School Düsseldorf, Heinrich Heine University, Universitätsstraße 1, Düsseldorf 40225, Germany.
| | - Anna Kilanowski
- Institute of Epidemiology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstädter Landstr. 1, Neuherberg 85764, Germany; Institute for Medical Information Processing, Biometry, and Epidemiology; Pettenkofer School of Public Health, LMU Munich, Geschwister-Scholl-Platz 1, Munich 80539, Germany; Division of Metabolic and Nutritional Medicine, Dr. von Hauner Children's Hospital, University of Munich Medical Center, Lindwurmstr. 4, Munich 80337, Germany.
| | - Claudia Wigmann
- IUF - Leibniz Research Institute for Environmental Medicine, Auf'm Hennekamp 50, Düsseldorf 40225, Germany.
| | - Qi Zhao
- IUF - Leibniz Research Institute for Environmental Medicine, Auf'm Hennekamp 50, Düsseldorf 40225, Germany; Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, 44 West Wenhua Road, Jinan City 250012, Shandong Province, China; School of Public Health and Preventive Medicine, Monash University, 553 St Kilda Rd, Melbourne, VIC 3004, Australia.
| | - Tianyu Zhao
- Institute of Epidemiology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstädter Landstr. 1, Neuherberg 85764, Germany.
| | - Michael J Abramson
- School of Public Health and Preventive Medicine, Monash University, 553 St Kilda Rd, Melbourne, VIC 3004, Australia.
| | - Monika Gappa
- Department of Paediatrics, Evangelisches Krankenhaus, Kirchfeldstraße 40, Düsseldorf 40217, Germany.
| | - Marie Standl
- Institute of Epidemiology, Helmholtz Zentrum München - German Research Center for Environmental Health, Ingolstädter Landstr. 1, Neuherberg 85764, Germany; German Center for Lung Research (DZL), Aulweg 130, Gießen 35392, Germany.
| | - Klaus Unfried
- IUF - Leibniz Research Institute for Environmental Medicine, Auf'm Hennekamp 50, Düsseldorf 40225, Germany.
| | - Tamara Schikowski
- IUF - Leibniz Research Institute for Environmental Medicine, Auf'm Hennekamp 50, Düsseldorf 40225, Germany.
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Ji N, Fang M, Baptista A, Cepeda C, Greenberg M, Mincey IC, Ohman-Strickland P, Haynes F, Fiedler N, Kipen HM, Laumbach RJ. Exposure to traffic-related air pollution and changes in exhaled nitric oxide and DNA methylation in arginase and nitric oxide synthase in children with asthma. Environ Health 2021; 20:12. [PMID: 33573660 PMCID: PMC7879528 DOI: 10.1186/s12940-020-00678-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 11/13/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND Traffic-related air pollution (TRAP) has been associated with increased risk of airway inflammation in children with asthma. While epigenetic changes could potentially modulate TRAP-induced inflammatory responses, few studies have assessed the temporal pattern of exposure to TRAP, epigenetic changes and inflammation in children with asthma. Our goal was to test the time-lag patterns of personal exposure to TRAP, airway inflammation (measured as fractional exhaled nitric oxide, FeNO), and DNA methylation in the promoter regions of genes involved in nitric oxide synthesis among children with asthma. METHODS We measured personal exposure to black carbon (BC) and FeNO for up to 30 days in a panel of children with asthma. We collected 90 buccal cell samples for DNA methylation analysis from 18 children (5 per child). Methylation in promoter regions of nitric oxide synthase (NOS1, NOS2A, NOS3) and arginase (ARG1, ARG2) was assessed by bisulfite pyrosequencing. Linear-mixed effect models were used to test the associations of BC at different lag periods, percent DNA methylation at each site and FeNO level. RESULTS Exposure to BC was positively associated with FeNO, and negatively associated with DNA methylation in NOS3. We found strongest association between FeNO and BC at lag 0-6 h while strongest associations between methylation at positions 1 and 2 in NOS3 and BC were at lag 13-24 h and lag 0-24 h, respectively. The strengths of associations were attenuated at longer lag periods. No significant associations between exposure to TRAP and methylation levels in other NOS and ARG isoforms were observed. CONCLUSIONS Exposure to TRAP was associated with higher levels of FeNO and lower levels of DNA methylation in the promoter regions of the NOS3 gene, indicating that DNA methylation of the NOS3 gene could be an important epigenetic mechanism in physiological responses to TRAP in children with asthma.
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Affiliation(s)
- N Ji
- Rutgers, The State University of New Jersey, 170 Frelinghuysen Rd, Room 204, Piscataway, NJ, 08854, USA
| | - M Fang
- Rutgers, The State University of New Jersey, 170 Frelinghuysen Rd, Room 204, Piscataway, NJ, 08854, USA
| | | | - C Cepeda
- Rutgers, The State University of New Jersey, 170 Frelinghuysen Rd, Room 204, Piscataway, NJ, 08854, USA
| | | | | | - P Ohman-Strickland
- Rutgers, The State University of New Jersey, 170 Frelinghuysen Rd, Room 204, Piscataway, NJ, 08854, USA
| | - F Haynes
- Rutgers, The State University of New Jersey, 170 Frelinghuysen Rd, Room 204, Piscataway, NJ, 08854, USA
| | - N Fiedler
- Rutgers, The State University of New Jersey, 170 Frelinghuysen Rd, Room 204, Piscataway, NJ, 08854, USA
| | - H M Kipen
- Rutgers, The State University of New Jersey, 170 Frelinghuysen Rd, Room 204, Piscataway, NJ, 08854, USA
| | - R J Laumbach
- Rutgers, The State University of New Jersey, 170 Frelinghuysen Rd, Room 204, Piscataway, NJ, 08854, USA.
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Exposure to Household Air Pollution from Biomass Cookstoves and Levels of Fractional Exhaled Nitric Oxide (FeNO) among Honduran Women. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15112544. [PMID: 30428575 PMCID: PMC6267103 DOI: 10.3390/ijerph15112544] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 10/26/2018] [Accepted: 11/07/2018] [Indexed: 12/14/2022]
Abstract
Household air pollution is estimated to be responsible for nearly three million premature deaths annually. Measuring fractional exhaled nitric oxide (FeNO) may improve the limited understanding of the association of household air pollution and airway inflammation. We evaluated the cross-sectional association of FeNO with exposure to household air pollution (24-h average kitchen and personal fine particulate matter and black carbon; stove type) among 139 women in rural Honduras using traditional stoves or cleaner-burning Justa stoves. We additionally evaluated interaction by age. Results were generally consistent with a null association; we did not observe a consistent pattern for interaction by age. Evidence from ambient and household air pollution regarding FeNO is inconsistent, and may be attributable to differing study populations, exposures, and FeNO measurement procedures (e.g., the flow rate used to measure FeNO).
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Annesi-Maesano I, Dinh-Xuan AT. Is exhaled nitric oxide a marker of air pollution effect? Eur Respir J 2018; 47:1304-6. [PMID: 27132258 DOI: 10.1183/13993003.00521-2016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 03/11/2016] [Indexed: 01/04/2023]
Affiliation(s)
- Isabella Annesi-Maesano
- Epidemiology of Allergic and Respiratory Diseases Dept (EPAR), Sorbonne Universités, UPMC Univ Paris 06, INSERM, Pierre Louis Institute of Epidemiology and Public Health (IPLESP UMRS 1136), Saint-Antoine Medical School, Paris, France
| | - Anh Tuan Dinh-Xuan
- Université Paris Descartes, Hôpital Cochin - Paris Centre, Assistance Publique Hôpitaux de Paris, Laboratoire de Physiologie Respiratoire, UPRES-EA 2511, Paris, France
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Ritz BR, Chatterjee N, Garcia-Closas M, Gauderman WJ, Pierce BL, Kraft P, Tanner CM, Mechanic LE, McAllister K. Lessons Learned From Past Gene-Environment Interaction Successes. Am J Epidemiol 2017; 186:778-786. [PMID: 28978190 PMCID: PMC5860326 DOI: 10.1093/aje/kwx230] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 04/01/2017] [Accepted: 04/04/2017] [Indexed: 12/20/2022] Open
Abstract
Genetic and environmental factors are both known to contribute to susceptibility to complex diseases. Therefore, the study of gene-environment interaction (G×E) has been a focus of research for several years. In this article, select examples of G×E from the literature are described to highlight different approaches and underlying principles related to the success of these studies. These examples can be broadly categorized as studies of single metabolism genes, genes in complex metabolism pathways, ranges of exposure levels, functional approaches and model systems, and pharmacogenomics. Some studies illustrated the success of studying exposure metabolism for which candidate genes can be identified. Moreover, some G×E successes depended on the availability of high-quality exposure assessment and longitudinal measures, study populations with a wide range of exposure levels, and the inclusion of ethnically and geographically diverse populations. In several examples, large population sizes were required to detect G×Es. Other examples illustrated the impact of accurately defining scale of the interactions (i.e., additive or multiplicative). Last, model systems and functional approaches provided insights into G×E in several examples. Future studies may benefit from these lessons learned.
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Affiliation(s)
- Beate R. Ritz
- Correspondence to Dr. Beate R. Ritz, Department of Epidemiology, Fielding School of Public Health, University of California Los Angeles, 650 Charles Young Drive South, Los Angeles, CA 90095 (e-mail: )
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Salam MT, Lin PC, Eckel SP, Gauderman WJ, Gilliland FD. Correction: Inducible Nitric Oxide Synthase Promoter Haplotypes and Residential Traffic-Related Air Pollution Jointly Influence Exhaled Nitric Oxide Level in Children. PLoS One 2016; 11:e0155567. [PMID: 27159012 PMCID: PMC4861268 DOI: 10.1371/journal.pone.0155567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
[This corrects the article DOI: 10.1371/journal.pone.0145363.].
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