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Böhm-González ST, Ziemendorff A, Meireson E, Weyers S, Nawrot T, Bijnens E, Gielen M. Association between trimester-specific prenatal air pollution exposure and placental weight of twins. Placenta 2024; 154:207-215. [PMID: 39084172 DOI: 10.1016/j.placenta.2024.07.309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 07/24/2024] [Accepted: 07/26/2024] [Indexed: 08/02/2024]
Abstract
INTRODUCTION This study investigates the association between maternal exposure to particulate matter (PM10) and nitric dioxide (NO2) during the first, second and third trimester and placental weight and birth weight/placental weight (BW/PW) ratio in twins at birth. METHODS Cross-sectional data of 3340 twins from the East Flanders Prospective Twin Survey was used. Air pollutant exposure was estimated via spatial temporal interpolation. Univariable and multivariable mixed model analyses with a random intercept to account for the relatedness of newborns were conducted for twins with separate placentas. Twin pairs with one placental mass were studied with linear and logistic regression. RESULTS In the third trimester, for each 10 μm/m3 increase in PM10 or NO2 placental weight decreased -19.7 g (95%-C.I. -35.1; -4.3) and -17.7 g (95%-C.I. -30.4; -0.5) respectively, in moderate to late preterm twins with separate placentas. Consequently, BW/PW ratio increased with higher air pollution exposure. PM10 exposure in the last week of pregnancy was associated with a higher odds ratio (OR) of 1.20 (95%-C.I. 1.00; 1.44) for a "small for gestational age placenta" (placental weight <10th percentile). Conversely, first trimester air pollutant exposure was associated with lower ORs of 0.55 (95%-C.I. 0.35; 0.88) and 0.60 (95%-C.I. 0.42; 0.84). DISCUSSION The association of PM10 and NO2 on placental weight is trimester-specific, differs for twins with one versus two placentas and is most pronounced in moderate to late preterm twins. Longitudinal studies are needed to better understand the relationship between air pollutant exposure and placental weight evolution across different trimesters.
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Affiliation(s)
- Simone Teresa Böhm-González
- Department of Pediatrics, Faculty of Medicine, University Hospital Cologne and University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany; Department of Epidemiology, NUTRIM School for Translational Research in Metabolism, Maastricht University Medical Centre, P.O. Box 616, 6200 MD, Maastricht, the Netherlands.
| | - Alischa Ziemendorff
- Department of Pediatrics, St. Marien-Hospital, Hospitalstraße 44, 52353, Düren-Birkesdorf, Germany; Department of Epidemiology, NUTRIM School for Translational Research in Metabolism, Maastricht University Medical Centre, P.O. Box 616, 6200 MD, Maastricht, the Netherlands.
| | - Eline Meireson
- Department of Human Structure and Repair, University Ghent, C. Heymanslaan 10, 9000, Ghent, Belgium.
| | - Steven Weyers
- Department of Human Structure and Repair, University Ghent, C. Heymanslaan 10, 9000, Ghent, Belgium.
| | - Tim Nawrot
- Centre for Environmental Sciences, Hasselt University, Agoralaan Building D, 3590, Diepenbeek, Belgium.
| | - Esmée Bijnens
- Centre for Environmental Sciences, Hasselt University, Agoralaan Building D, 3590, Diepenbeek, Belgium; Department of Environmental Sciences, Faculty of Science, Open University Heerlen, Milton Keynes Building, Valkenburgerweg 177, 6419, Heerlen, the Netherlands.
| | - Marij Gielen
- Department of Epidemiology, NUTRIM School for Translational Research in Metabolism, Maastricht University Medical Centre, P.O. Box 616, 6200 MD, Maastricht, the Netherlands.
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Sinsamala RM, Johannessen A, Bertelsen RJ, Accordini S, Brandt J, Frohn LM, Geels C, Gislason T, Holm M, Janson C, Markevych I, Orru H, Real FG, Sigsgaard T, Skulstad SM, Svanes C, Marcon A. Pregnancy outcomes as related to in utero exposure to air pollution and greenness: The Life-GAP Project. Environ Epidemiol 2024; 8:e318. [PMID: 38919266 PMCID: PMC11196084 DOI: 10.1097/ee9.0000000000000318] [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: 01/16/2024] [Accepted: 05/24/2024] [Indexed: 06/27/2024] Open
Abstract
Background Lower birth weight and preterm birth may increase the risk of adverse health outcomes later in life. We examined whether maternal exposure to air pollution and greenness during pregnancy is associated with offspring birth weight and preterm birth. Methods We analyzed data on 4286 singleton births from 2358 mothers from Respiratory Health in Northern Europe, a prospective questionnaire-based cohort study (1990-2010). Mixed-effects regression models with random intercepts for mothers and centers were used to estimate the association of exposures to particulate matter (PM2.5 and PM10), nitrogen dioxide (NO2), ozone (O3), black carbon (BC), and greenness (Normalized Difference Vegetation Index in 300m-buffers [NDVI300m]) with birth outcomes, adjusting for potential confounders. Results Median (interquartile range [IQR]) exposures to PM2.5, PM10, NO2, O3, BC, and NDVI300m during pregnancy were 8.4(5.0) µg/m3, 14.4(8.3) µg/m3, 14.0(11.0) µg/m3, 54.7(10.2) µg/m3, 0.47(0.41) µg/m3, and 0.31(0.20), respectively. IQR increases in air pollution exposures during pregnancy were associated with decreased birth weight and the strongest association was seen for PM2.5 (-49g; 95% confidence interval [CI] = -83, -16). However, O3 showed an opposite association. IQR increase in NDVI300m was associated with an increase in birth weight of 25 g (95% CI = 7, 44). Preterm birth was not associated with the exposures. Conclusion Increased greenness and decreased air pollution may contribute to healthier pregnancies and improve overall health in the next generation. This emphasizes the need to adopt policies that target the reduction of air pollution emissions and exposure of the population.
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Affiliation(s)
- Robin M. Sinsamala
- Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | - Ane Johannessen
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | | | - Simone Accordini
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - Jørgen Brandt
- Department of Environmental Science, Aarhus University, Frederiks-borgvej, Roskilde, Denmark
| | - Lise M. Frohn
- Department of Environmental Science, Aarhus University, Frederiks-borgvej, Roskilde, Denmark
| | - Camilla Geels
- Department of Environmental Science, Aarhus University, Frederiks-borgvej, Roskilde, Denmark
| | - Thorarinn Gislason
- Faculty of Medicine, University of Iceland, Reykjavik, Iceland
- Department of Sleep, Landspitali University Hospital
| | - Mathias Holm
- Occupational and Environmental Medicine, School of Public Health and Community Medicine, Institute of Medicine Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Christer Janson
- Department of Medical Sciences, Respiratory, Allergy & Sleep Research, Uppsala University, Uppsala Sweden
| | - Iana Markevych
- Institute of Psychology, Jagiellonian University, Krakow, Poland
- Health and Quality of Life in a Green and Sustainable Environment, SRIPD-MUP, Medical University of Plovdiv, Plovdiv, Bulgaria
| | - Hans Orru
- Institute of Family Medicine and Public Health, University of Tartu, Tartu, Estonia
| | - Francisco Gómez Real
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway
| | - Torben Sigsgaard
- Department of Public Health, Environment Occupation and Health, Danish Ramazzini Centre, Aarhus University, Aarhus, Denmark
| | - Svein M. Skulstad
- Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Cecilie Svanes
- Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
- Department of Occupational Medicine, Haukeland University Hospital, Bergen, Norway
| | - Alessandro Marcon
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, Verona, Italy
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Conway F, Portela A, Filippi V, Chou D, Kovats S. Climate change, air pollution and maternal and newborn health: An overview of reviews of health outcomes. J Glob Health 2024; 14:04128. [PMID: 38785109 PMCID: PMC11117177 DOI: 10.7189/jogh.14.04128] [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: 05/25/2024] Open
Abstract
Background Climate change represents a fundamental threat to human health, with pregnant women and newborns being more susceptible than other populations. In this review, we aimed to describe the current landscape of available epidemiological evidence on key climate risks on maternal and newborn health (MNH). Methods We sought to identify published systematic and scoping reviews investigating the impact of different climate hazards and air pollution on MNH outcomes. With this in mind, we developed a systematic search strategy based on the concepts of 'climate/air pollution hazards, 'maternal health,' and 'newborn health,' with restrictions to reviews published between 1 January 2010 and 6 February 2023, but without geographical or language restriction. Following full text screening and data extraction, we synthesised the results using narrative synthesis. Results We found 79 reviews investigating the effects of climate hazards on MNH, mainly focussing on outdoor air pollution (n = 47, 59%), heat (n = 24, 30%), and flood/storm disasters (n = 7, 9%). Most were published after 2015 (n = 60, 76%). These reviews had consistent findings regarding the positive association of exposure to heat and to air pollution with adverse birth outcomes, particularly preterm birth. We found limited evidence for impacts of climate-related food and water security on MNH and did not identify any reviews on climate-sensitive infectious diseases and MNH. Conclusions Climate change could undermine recent improvements in maternal and newborn health. Our review provides an overview of key climate risks to MNH. It could therefore be useful to the MNH community to better understand the MNH needs for each climate hazard and to strengthen discussions on evidence and research gaps and potential actions. Despite the lack of comprehensive evidence for some climate hazards and for many maternal, perinatal, and newborn outcomes, we observed repeated findings of the impact of heat and air pollutants on birth outcomes, particularly preterm birth. It is time for policy dialogue to follow to specifically design climate policy and actions to protect the needs of MNH.
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Affiliation(s)
- Francesca Conway
- World Health Organization, Department of Maternal, Newborn, Child and Adolescent Health and Ageing, Geneva, Switzerland
| | - Anayda Portela
- World Health Organization, Department of Maternal, Newborn, Child and Adolescent Health and Ageing, Geneva, Switzerland
| | - Veronique Filippi
- London School of Hygiene and Tropical Medicine, Faculty of Epidemiology and Population Health, London, United Kingdom
| | - Doris Chou
- UNDP/UNFPA/UNICEF/WHO/The World Bank Special Programme of Research, Development and Research Training in Human Reproduction (HRP), World Health Organization, Department of Sexual and Reproductive Health, Geneva, Switzerland
| | - Sari Kovats
- London School of Hygiene and Tropical Medicine, NIHR Health Protection Research Unit in Environmental Change and Health, London, United Kingdom
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Patwary MM, Sakhvidi MJZ, Ashraf S, Dadvand P, Browning MHEM, Alam MA, Bell ML, James P, Astell-Burt T. Impact of green space and built environment on metabolic syndrome: A systematic review with meta-analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 923:170977. [PMID: 38360326 DOI: 10.1016/j.scitotenv.2024.170977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/03/2024] [Accepted: 02/12/2024] [Indexed: 02/17/2024]
Abstract
Metabolic Syndrome presents a significant public health challenge associated with an increased risk of noncommunicable diseases such as cardiovascular conditions. Evidence shows that green spaces and the built environment may influence metabolic syndrome. We conducted a systematic review and meta-analysis of observational studies published through August 30, 2023, examining the association of green space and built environment with metabolic syndrome. A quality assessment of the included studies was conducted using the Office of Health Assessment and Translation (OHAT) tool. The Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) assessment was used to evaluate the overall quality of evidence. Our search retrieved 18 studies that met the inclusion criteria and were included in our review. Most were from China (n = 5) and the USA (n = 5), and most used a cross-sectional study design (n = 8). Nine studies (50 %) reported only green space exposures, seven (39 %) reported only built environment exposures, and two (11 %) reported both built environment and green space exposures. Studies reported diverse definitions of green space and the built environment, such as availability, accessibility, and quality, particularly around participants' homes. The outcomes focused on metabolic syndrome; however, studies applied different definitions of metabolic syndrome. Meta-analysis results showed that an increase in normalized difference vegetation index (NDVI) within a 500-m buffer was associated with a lower risk of metabolic syndrome (odds ratio [OR] = 0.90, 95%CI = 0.87-0.93, I2 = 22.3 %, n = 4). A substantial number of studies detected bias for exposure classification and residual confounding. Overall, the extant literature shows a 'limited' strength of evidence for green space protecting against metabolic syndrome and an 'inadequate' strength of evidence for the built environment associated with metabolic syndrome. Studies with more robust study designs, better controlled confounding factors, and stronger exposure measures are needed to understand better what types of green spaces and built environment features influence metabolic syndrome.
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Affiliation(s)
- Muhammad Mainuddin Patwary
- Environment and Sustainability Research Initiative, Khulna, Bangladesh; Environmental Science Discipline, Life Science School, Khulna University, Khulna, Bangladesh.
| | - Mohammad Javad Zare Sakhvidi
- Department of Occupational Health, School of Public Health, Yazd Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Sadia Ashraf
- Environmental Science Discipline, Life Science School, Khulna University, Khulna, Bangladesh
| | - Payam Dadvand
- ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra (UPF), Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Matthew H E M Browning
- Department of Parks, Recreation and Tourism Management, Clemson University, Clemson, SC, USA
| | - Md Ashraful Alam
- Department of Computational Diagnostic Radiology and Preventive Medicine, The University of Tokyo Hospital, Bunkyo-ku, Tokyo, Japan
| | - Michelle L Bell
- Yale School of the Environment, Yale University, New Haven, CT, United States
| | - Peter James
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA, USA; Department of Population Medicine, Harvard Medical School, Harvard Pilgrim Health Care Institute, Harvard University, Boston, MA, USA
| | - Thomas Astell-Burt
- School of Architecture, Design, and Planning, University of Sydney, Australia
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Michel SKF, Atmakuri A, von Ehrenstein OS. Systems for rating bodies of evidence used in systematic reviews of air pollution exposure and reproductive and children's health: a methodological survey. Environ Health 2024; 23:32. [PMID: 38539160 PMCID: PMC10976715 DOI: 10.1186/s12940-024-01069-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 03/05/2024] [Indexed: 07/23/2024]
Abstract
BACKGROUND Translating findings from systematic reviews assessing associations between environmental exposures and reproductive and children's health into policy recommendations requires valid and transparent evidence grading. METHODS We aimed to evaluate systems for grading bodies of evidence used in systematic reviews of environmental exposures and reproductive/ children's health outcomes, by conducting a methodological survey of air pollution research, comprising a comprehensive search for and assessment of all relevant systematic reviews. To evaluate the frameworks used for rating the internal validity of primary studies and for grading bodies of evidence (multiple studies), we considered whether and how specific criteria or domains were operationalized to address reproductive/children's environmental health, e.g., whether the timing of exposure assessment was evaluated with regard to vulnerable developmental stages. RESULTS Eighteen out of 177 (9.8%) systematic reviews used formal systems for rating the body of evidence; 15 distinct internal validity assessment tools for primary studies, and nine different grading systems for bodies of evidence were used, with multiple modifications applied to the cited approaches. The Newcastle Ottawa Scale (NOS) and the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) framework, neither developed specifically for this field, were the most commonly used approaches for rating individual studies and bodies of evidence, respectively. Overall, the identified approaches were highly heterogeneous in both their comprehensiveness and their applicability to reproductive/children's environmental health research. CONCLUSION Establishing the wider use of more appropriate evidence grading methods is instrumental both for strengthening systematic review methodologies, and for the effective development and implementation of environmental public health policies, particularly for protecting pregnant persons and children.
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Affiliation(s)
- Sophie K F Michel
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles (UCLA), 650 Charles E Young Dr S, Los Angeles, CA, 90095, USA.
| | - Aishwarya Atmakuri
- Department of Molecular, Cell, and Developmental Biology, University of California, Los Angeles (UCLA), Los Angeles, CA, USA
| | - Ondine S von Ehrenstein
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles (UCLA), 650 Charles E Young Dr S, Los Angeles, CA, 90095, USA
- Department of Community Health Sciences, Fielding School of Public Health, University of California, Los Angeles (UCLA), Los Angeles, CA, USA
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Nyadanu SD, Dunne J, Tessema GA, Mullins B, Kumi-Boateng B, Bell ML, Duko B, Pereira G. Maternal exposure to ambient air temperature and adverse birth outcomes: An umbrella review of systematic reviews and meta-analyses. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 917:170236. [PMID: 38272077 DOI: 10.1016/j.scitotenv.2024.170236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 12/28/2023] [Accepted: 01/15/2024] [Indexed: 01/27/2024]
Abstract
BACKGROUND Multiple systematic reviews on prenatal ambient temperature and adverse birth outcomes exist, but the overall epidemiological evidence and the appropriate metric for thermal stress remain unclear. An umbrella review was performed to summarise and appraise the evidence with recommendations. METHODS Systematic reviews and meta-analyses on the associations between ambient temperature and adverse birth outcomes (preterm birth, stillbirth, birth weight, low birth weight, and small for gestational age) up to December 20, 2023, were synthesised according to a published protocol. Databases PubMed, CINAHL, Scopus, MEDLINE/Ovid, EMBASE/Ovid, Web of Science Core Collection, systematic reviews repositories, electronic grey literature, and references were searched. Risk of bias was assessed using Joanna Briggs Institute's critical appraisal tool. RESULTS Eleven systematic reviews, including two meta-analyses, were included. This comprised 90 distinct observational studies that employed multiple temperature assessment metrics with a very high overlap of primary studies. Primary studies were mostly from the United States while both Africa and South Asia contributed only three studies. A majority (7 out of 11) of the systematic reviews were rated as moderate risk of bias. All systematic reviews indicated that maternal exposures to both extremely high and low temperatures, particularly during late gestation are associated with increased risks of preterm birth, stillbirth, and reduced fetal growth. However, due to great differences in the exposure assessments, high heterogeneity, imprecision, and methodological limitations of the included systematic reviews, the overall epidemiological evidence was classified as probable evidence of causation. No study assessed biothermal metrics for thermal stress. CONCLUSIONS Despite the notable methodological differences, prenatal exposure to extreme ambient temperatures, particularly during late pregnancy, was associated with adverse birth outcomes. Adhering to the appropriate systematic review guidelines for environmental health research, incorporating biothermal metrics into exposure assessment, evidence from broader geodemographic settings, and interventions are recommended in future studies.
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Affiliation(s)
- Sylvester Dodzi Nyadanu
- Curtin School of Population Health, Curtin University, Perth, Kent Street, Bentley, Western Australia 6102, Australia; Education, Culture, and Health Opportunities (ECHO) Ghana, ECHO Research Group International, P. O. Box 424, Aflao, Ghana.
| | - Jennifer Dunne
- Curtin School of Population Health, Curtin University, Perth, Kent Street, Bentley, Western Australia 6102, Australia
| | - Gizachew A Tessema
- Curtin School of Population Health, Curtin University, Perth, Kent Street, Bentley, Western Australia 6102, Australia; School of Public Health, University of Adelaide, Adelaide, South Australia 5000, Australia
| | - Ben Mullins
- Curtin School of Population Health, Curtin University, Perth, Kent Street, Bentley, Western Australia 6102, Australia
| | - Bernard Kumi-Boateng
- Department of Geomatic Engineering, University of Mines and Technology, P. O. Box 237, Tarkwa, Ghana
| | - Michelle L Bell
- School of the Environment, Yale University, New Haven, CT 06511, USA
| | - Bereket Duko
- Curtin School of Population Health, Curtin University, Perth, Kent Street, Bentley, Western Australia 6102, Australia
| | - Gavin Pereira
- Curtin School of Population Health, Curtin University, Perth, Kent Street, Bentley, Western Australia 6102, Australia; enAble Institute, Curtin University, Perth, Kent Street, Bentley, Western Australia 6102, Australia; WHO Collaborating Centre for Climate Change and Health Impact Assessment, Faculty of Health Science, Curtin University, WA, Australia
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Luque-García L, Muxika-Legorburu J, Mendia-Berasategui O, Lertxundi A, García-Baquero G, Ibarluzea J. Green and blue space exposure and non-communicable disease related hospitalizations: A systematic review. ENVIRONMENTAL RESEARCH 2024; 245:118059. [PMID: 38157973 DOI: 10.1016/j.envres.2023.118059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 12/05/2023] [Accepted: 12/26/2023] [Indexed: 01/03/2024]
Abstract
The global increase in non-communicable diseases (NCDs) presents a critical public health concern. Emerging evidence suggests that exposure to natural environments may reduce the risk of developing NCDs through multiple pathways. The present systematic review aims to synthesize and evaluate the observational evidence regarding associations between exposure to green and blue spaces and hospital admissions related to NCDs. A comprehensive literature search strategy was conducted in Embase (Ovid), PubMed, and Web of Science. The risk of bias and quality of the evidence were assessed using The Navigation Guide methodology, an approach specifically designed for environmental health research. Of 3060 search results, 17 articles were included. Notably, the majority of the studies (n = 14; 82.4%) were published from 2020 onwards. Most studies were conducted in the United States (n = 6; 35.3%) and China (n = 4; 23.5%). Exposure to green spaces was assessed through all studies, while only three included blue spaces. In terms of study design, cohort design was employed in nearly half of the studies (n = 8; 47.1%), followed by case-crossover design (n = 3, 17.6%). Over 75% of the included studies (n = 13) had a high or probably high rating in the risk of bias assessment. The studies encompassed diverse NCD outcome domains; cardiovascular diseases (CVDs) (n = 10), respiratory diseases (RSDs) (n = 2), heat-related diseases (n = 1), metabolic diseases (n = 2), cancer (n = 1), neurodegenerative diseases (NDDs) (n = 2), and mental health disorders (n = 2). The present review suggests that a clear link between blue space exposure and NCD hospital admissions is not evident. However, exposure to green spaces appears to predominantly have a protective effect, although the direction of the association varies across different outcome domains. The heterogeneity among the outcome domains together with the limited number of studies, emphasizes the need for more robust evidence.
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Affiliation(s)
- L Luque-García
- Department of Preventive Medicine and Public Health, Faculty of Medicine, University of the Basque Country (UPV/EHU), Leioa, 48940, Spain; Biogipuzkoa Health Research Institute, Group of Environmental Epidemiology and Child Development, Paseo Doctor Begiristain S/n, 20014, Donostia- San Sebastián, Spain; Osakidetza Basque Health Service, Goierri Alto-Urola Integrated Health Organisation, Zumarraga Hospital, Zumarraga, 20700, Spain.
| | - J Muxika-Legorburu
- Osakidetza Basque Health Service, Goierri Alto-Urola Integrated Health Organisation, Zumarraga Hospital, Zumarraga, 20700, Spain
| | - O Mendia-Berasategui
- Osakidetza Basque Health Service, Goierri Alto-Urola Integrated Health Organisation, Zumarraga Hospital, Zumarraga, 20700, Spain
| | - A Lertxundi
- Department of Preventive Medicine and Public Health, Faculty of Medicine, University of the Basque Country (UPV/EHU), Leioa, 48940, Spain; Biogipuzkoa Health Research Institute, Group of Environmental Epidemiology and Child Development, Paseo Doctor Begiristain S/n, 20014, Donostia- San Sebastián, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), 28029, Madrid, Spain
| | - G García-Baquero
- Biogipuzkoa Health Research Institute, Group of Environmental Epidemiology and Child Development, Paseo Doctor Begiristain S/n, 20014, Donostia- San Sebastián, Spain; Faculty of Biology, University of Salamanca, Avda Licenciado Méndez Nieto S/n, 37007, Salamanca, Spain
| | - J Ibarluzea
- Biogipuzkoa Health Research Institute, Group of Environmental Epidemiology and Child Development, Paseo Doctor Begiristain S/n, 20014, Donostia- San Sebastián, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), 28029, Madrid, Spain; Ministry of Health of the Basque Government, Sub-Directorate for Public Health and Addictions of Gipuzkoa, 20013, San Sebastián, Spain; Faculty of Psychology of the University of the Basque Country, 20018, San Sebastian, Spain
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Cheng Y, Feng J, Wang J, Zhou Y, Bai S, Tang Q, Li J, Pan F, Xu Q, Lu C, Wu W, Xia Y. Alterations in sperm DNA methylation may as a mediator of paternal air pollution exposure and offspring birth outcomes: Insight from a birth cohort study. ENVIRONMENTAL RESEARCH 2024; 244:117941. [PMID: 38103775 DOI: 10.1016/j.envres.2023.117941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/25/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
Paternal exposure to environmental risk factors influences the offspring health. This study aimed to evaluate the association between paternal air pollution exposure mediated by sperm DNA methylation and adverse birth outcomes in offspring. We recruited 1607 fertile men and their partners from 2014 to 2016 and collected semen samples to detect sperm DNA methylation. Multivariate linear regression and weighted quantile sum regression models were used to assess the associations between paternal air pollution exposure and offspring birth outcomes. A critical exposure window was identified. Reduced representation bisulfite sequencing was used to detect sperm DNA methylation. The results demonstrated that high paternal exposure to PM2.5 (β = -211.31, 95% CI: (-386.37, -36.24)), PM10 (β = -178.20, 95% CI: (-277.13, -79.27)), and NO2 (β = -84.22, 95% CI: (-165.86, -2.57)) was negatively associated with offspring's birthweight, especially in boys. Additionally, an early exposure window of 15-69 days before fertilization was recognized to be the key exposure window, which increased the risk of low birth weight and small for gestational age. Furthermore, paternal co-exposure to six air pollutants contributed to lower birthweight (β = -51.91, 95% CI: (-92.72, -11.10)) and shorter gestational age (β = -1.72, 95% CI: (-3.26, -0.17)) and PM2.5 was the most weighted pollutant. Paternal air pollution exposure resulted in 10,328 differentially methylated regions and the IGF2R gene was the key gene involved in the epigenetic process. These differentially methylated genes were predominantly associated with protein binding, transcriptional regulation, and DNA templating. These findings indicate that spermatogenesis is a susceptible window during which paternal exposure to air pollution affects sperm DNA methylation and the birth outcomes of offspring.
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Affiliation(s)
- Yuting Cheng
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Jialin Feng
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Jing Wang
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Yijie Zhou
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Shengjun Bai
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Qiuqin Tang
- Department of Obstetrics, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Jinhui Li
- Department of Urology, Stanford Medical Center, Stanford, CA, USA
| | - Feng Pan
- Department of Urology, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, China
| | - Qiaoqiao Xu
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Chuncheng Lu
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Wei Wu
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China.
| | - Yankai Xia
- State Key Laboratory of Reproductive Medicine and Offspring Health, Wuxi Medical Center, Nanjing Medical University, Nanjing, China; Key Laboratory of Modern Toxicology of Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, China.
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Aguilera J, Konvinse K, Lee A, Maecker H, Prunicki M, Mahalingaiah S, Sampath V, Utz PJ, Yang E, Nadeau KC. Air pollution and pregnancy. Semin Perinatol 2023; 47:151838. [PMID: 37858459 PMCID: PMC10843016 DOI: 10.1016/j.semperi.2023.151838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
Increased fossil fuel usage and extreme climate change events have led to global increases in greenhouse gases and particulate matter with 99% of the world's population now breathing polluted air that exceeds the World Health Organization's recommended limits. Pregnant women and neonates with exposure to high levels of air pollutants are at increased risk of adverse health outcomes such as maternal hypertensive disorders, postpartum depression, placental abruption, low birth weight, preterm birth, infant mortality, and adverse lung and respiratory effects. While the exact mechanism by which air pollution exerts adverse health effects is unknown, oxidative stress as well as epigenetic and immune mechanisms are thought to play roles. Comprehensive, global efforts are urgently required to tackle the health challenges posed by air pollution through policies and action for reducing air pollution as well as finding ways to protect the health of vulnerable populations in the face of increasing air pollution.
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Affiliation(s)
- Juan Aguilera
- Department of Health Promotion and Behavioral Sciences, University of Texas Health Science Center at Houston, School of Public Health, El Paso, Texas
| | | | - Alexandra Lee
- Sean N. Parker Center for Allergy and Asthma Research at Stanford University, Stanford University, Palo Alto, CA
| | - Holden Maecker
- Institute for Immunity, Transplantation, and Infection, School of Medicine, Stanford University, Stanford, CA
| | - Mary Prunicki
- Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, Boston, MA
| | - Shruthi Mahalingaiah
- Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, Boston, MA; Division of Reproductive Endocrinology and Infertility, Department of OB/GYN, Massachusetts General Hospital, Boston, MA
| | - Vanitha Sampath
- Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, Boston, MA
| | - Paul J Utz
- Department of Medicine, Stanford University, Palo Alto, CA
| | - Emily Yang
- Department of Medicine, Stanford University, Palo Alto, CA
| | - Kari C Nadeau
- Department of Environmental Health, T.H. Chan School of Public Health, Harvard University, Boston, MA.
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10
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Jonas F, Hagen A, Ackermann BW, Knüpfer M. Students experience the effects of climate change on children's health in role play and develop strategies for medical work - an interactive seminar. GMS JOURNAL FOR MEDICAL EDUCATION 2023; 40:Doc29. [PMID: 37377577 PMCID: PMC10291342 DOI: 10.3205/zma001611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 01/09/2023] [Accepted: 03/06/2023] [Indexed: 06/29/2023]
Abstract
Background This project report describes the development and evaluation of an interactive seminar on the topic "medical effects of climate change on children's health". Objectives The learning objectives are learning the basics and the direct and indirect connections between climate change and children's health. Future scenarios for affected children, parents and doctors are developed interactively. Subsequently, communication strategies concerning climate change are discussed so that students identify and analyze possibilities to become active. Methodology The seminar was offered as an obligatory seminar for a total of 128 third-year medical students with one appointment of 45 minutes per course group as part of the interdisciplinary seminar series "Environmental Medicine". A course group consisted of 14 to 18 students. The seminar for the 2020 summer semester was developed as part of the interdisciplinary field of environmental medicine with the special feature of an interactive role play. The role play intends to give the students the opportunity to put themselves in the situation of affected children, parents and doctors of the future in order to develop detailed solution strategies. From 2020 to 2021, the seminar took place as online self-study due to the lockdown requirements. Since winter semester 2021/22, the seminar was held as an attendance event for the first time, although the switch to an online presence seminar with obligatory attendance had to take place after four seminar dates due to renewed lockdown requirements, which also took place four times. The evaluated results here refer to a total of eight dates in the winter semester 2021/22 and were carried out using a specially developed questionnaire, which was filled out voluntarily and anonymously by the students immediately after the respective seminar date. An overall grade as well as the appropriateness of the time and content of lectures and role play were asked for. Free text answers were possible for each question. Results A total of 83 questionnaires were evaluated, 54 of which were from the four seminars in attendance, 15 were from the four online presence seminars that took place as an online live stream. The evaluation of the seminar resulted in an average grade of 1.7 for the face-to-face seminars and 1.9 for the online seminars. Content-related comments in the free-text answers addressed the desire for concrete solution strategies, more time for discussions and a more in-depth study of the topic. Numerous positive responses described the seminar as "very exciting", "good food for thought", "interesting and important topic". Conclusion There is a very high interest on the topic of "climate change & health" among students There is an obvious need to integrate the topic on a larger scale into medical education. Ideally, the focus on children's health should be an integral part of the pediatric curriculum.
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Affiliation(s)
- Friederike Jonas
- Universitätsklinikum Leipzig, Klinik und Poliklinik für Kinder- und Jugendmedizin, Leipzig, Germany
| | - Anja Hagen
- Universitätsklinikum Leipzig, Klinik und Poliklinik für Kinder- und Jugendmedizin, Leipzig, Germany
| | - Benjamin W. Ackermann
- Universitätsklinikum Leipzig, Klinik und Poliklinik für Kinder- und Jugendmedizin, Selbstständige Abteilung für Neonatologie, Leipzig, Germany
| | - Matthias Knüpfer
- Universitätsklinikum Leipzig, Klinik und Poliklinik für Kinder- und Jugendmedizin, Selbstständige Abteilung für Neonatologie, Leipzig, Germany
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11
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Li S, Liu B, Liu Y, Ding YQ, Zhang J, Feng L. Effects of maternal urban particulate matter SRM 1648a exposure on birth outcomes and offspring growth in mice. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:2387-2400. [PMID: 35972609 DOI: 10.1007/s10653-022-01352-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 07/09/2022] [Indexed: 06/15/2023]
Abstract
The association between exposure to particulate matter (PM) during pregnancy and abnormal birth outcomes is still inconclusive. This study aims to provide more evidence for this public health concern by investigating birth outcomes and the growth of offspring in mice exposed to PM during pregnancy. C57BL/6 J pregnant mice were exposed to PM via nasal drip at three doses or solvent control. The dam weight gain was recorded during pregnancy. The number of pups, pup weight, and placental weight were recorded at embryonic day 18.5 (E18.5) necropsy. For mice that gave birth naturally, we calculated the gestation length and measured the body weight of offspring once a week from the 1st to the 6th week after birth. The results showed that there were no significant differences in maternal body weight gain, conception rate, pregnancy duration, and litter size among different groups. There were no significant differences in fetal weight, placental weight, and fetal/placental weight ratio at E18.5. Weight gain in offspring was reduced after birth. The average body weight of offspring in the high-dose group was significantly lower than that in the control group at weeks 5 in female pups. There were no significant differences in the body weight of male offspring among groups from 1st to the 6th. Together, our study indicated that maternal exposure to PM did not significantly impact birth outcomes of C57BL/6 J mice but affected growth trajectories in offspring after birth in a dose- and fetal sex-dependent manner.
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Affiliation(s)
- Shuman Li
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, School of Public Health, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Bin Liu
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Yongjie Liu
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China
| | - Yu-Qiang Ding
- Department of Laboratory Animal Science, Fudan University, Shanghai, 200032, China
| | - Jun Zhang
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, School of Public Health, Shanghai Jiao-Tong University School of Medicine, Shanghai, China.
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China.
| | - Liping Feng
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, China.
- Division of Reproductive Science, Department of Obstetrics and Gynecology, Duke University Medical Center, Box 103208, Durham, NC, 27710, USA.
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12
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Drury NL, Mustapha T, Shore RA, Zhao J, Wright GA, Hoffmann AR, Talcott SU, Regan A, Tighe RM, Zhang R, Johnson NM. Maternal exposure to ultrafine particles enhances influenza infection during pregnancy. Part Fibre Toxicol 2023; 20:11. [PMID: 37069680 PMCID: PMC10106898 DOI: 10.1186/s12989-023-00521-1] [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: 12/20/2022] [Accepted: 04/01/2023] [Indexed: 04/19/2023] Open
Abstract
BACKGROUND Interactions between air pollution and infectious agents are increasingly recognized and critical to identify, especially to protect vulnerable populations. Pregnancy represents a vulnerable period for influenza infection and air pollution exposure, yet interactions during pregnancy remain unclear. Maternal exposure to ultrafine particles (UFPs, [Formula: see text] 100 nm diameter), a class of particulate matter ubiquitous in urban environments, elicits unique pulmonary immune responses. We hypothesized that UFP exposure during pregnancy would lead to aberrant immune responses to influenza enhancing infection severity. RESULTS Building from our well-characterized C57Bl/6N mouse model employing daily gestational UFP exposure from gestational day (GD) 0.5-13.5, we carried out a pilot study wherein pregnant dams were subsequently infected with Influenza A/Puerto Rico/8/1934 (PR8) on GD14.5. Findings indicate that PR8 infection caused decreased weight gain in filtered air (FA) and UFP-exposed groups. Co-exposure to UFPs and viral infection led to pronounced elevation in PR8 viral titer and reduced pulmonary inflammation, signifying potential suppression of innate and adaptive immune defenses. Pulmonary expression of the pro-viral factor sphingosine kinase 1 (Sphk1) and pro-inflammatory cytokine interleukin-1β (IL-1 [Formula: see text]) was significantly increased in pregnant mice exposed to UFPs and infected with PR8; expression correlated with higher viral titer. CONCLUSIONS Results from our model provide initial insight into how maternal UFP exposure during pregnancy enhances respiratory viral infection risk. This model is an important first step in establishing future regulatory and clinical strategies for protecting pregnant women exposed to UFPs.
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Affiliation(s)
- Nicholas L Drury
- Department of Environmental and Occupational Health, Texas A&M University, 212 Adriance Lab Rd, 1266 TAMU, College Station, TX, 77843, USA
- Department of Nutrition, Texas A&M University, College Station, TX, 77843, USA
| | - Toriq Mustapha
- Department of Environmental and Occupational Health, Texas A&M University, 212 Adriance Lab Rd, 1266 TAMU, College Station, TX, 77843, USA
| | - Ross A Shore
- Department of Environmental and Occupational Health, Texas A&M University, 212 Adriance Lab Rd, 1266 TAMU, College Station, TX, 77843, USA
| | - Jiayun Zhao
- Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
| | - Gus A Wright
- Department of Veterinary Pathobiology, Texas A&M University, College Station, TX, 77843, USA
| | - Aline Rodrigues Hoffmann
- Department of Comparative, Diagnostic, and Population Medicine, University of Florida, Gainesville, FL, 32653, USA
| | - Susanne U Talcott
- Department of Nutrition, Texas A&M University, College Station, TX, 77843, USA
| | - Annette Regan
- School of Nursing and Health Professions, University of San Francisco, Orange County, CA, 92868, USA
| | - Robert M Tighe
- Department of Medicine, Duke University, Durham, NC, 27710, USA
| | - Renyi Zhang
- Department of Chemistry, Texas A&M University, College Station, TX, 77843, USA
- Department of Atmospheric Sciences, Texas A&M University, College Station, TX, 77843, USA
| | - Natalie M Johnson
- Department of Environmental and Occupational Health, Texas A&M University, 212 Adriance Lab Rd, 1266 TAMU, College Station, TX, 77843, USA.
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Olutola BG, Phoobane P. A Bibliometric Analysis of Literature on Prenatal Exposure to Air Pollution: 1994-2022. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:3076. [PMID: 36833768 PMCID: PMC9961110 DOI: 10.3390/ijerph20043076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 01/30/2023] [Accepted: 02/04/2023] [Indexed: 06/18/2023]
Abstract
Early life exposure to air pollutants during pregnancy is one of the leading causes of different health outcomes. However, few studies have provided an overview of this area of research. The aim of this study was to look at the key trends in the research on prenatal exposure to air pollution. Data were retrieved from Web of Science, and the search was conducted based on the paper title, abstract, and keywords. The relevant literature searched was from 1994 to 2022, and 952 English documents were obtained. Of the total documents, 438 documents were included in the review and 83% (n = 365) of the documents were journal articles. Type of document, annual distribution of publications, and distribution of prenatal exposure by countries were extracted. Co-authorship and keywords co-occurrence analyses were also carried out. Of all the countries that published in this field, the United States of America. had the highest number of publications, followed by China. Among the different health and environmental disciplines, 62% (n = 273) of papers came from environmental science. There were limited collaborations among researchers from different countries and institutions. In conclusion, there should be more collaboration among the researchers in this field regarding institutions, countries, and disciplines.
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Affiliation(s)
- Bukola G. Olutola
- School of Engineering, Science and Health, The Independent Institute of Education (IIEMSA), Roodepoort 1724, South Africa
| | - Paulina Phoobane
- School of Information Technology, The Independent Institute of Education (IIEMSA), Roodepoort 1724, South Africa
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Zhou W, Ming X, Yang Y, Hu Y, He Z, Chen H, Li Y, Cheng J, Zhou X. Associations between maternal exposure to ambient air pollution and very low birth weight: A birth cohort study in Chongqing, China. Front Public Health 2023; 11:1123594. [PMID: 36960371 PMCID: PMC10028238 DOI: 10.3389/fpubh.2023.1123594] [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: 12/14/2022] [Accepted: 02/15/2023] [Indexed: 03/09/2023] Open
Abstract
Introduction There have been many researches done on the association between maternal exposure to ambient air pollution and adverse pregnancy outcomes, but few studies related to very low birth weight (VLBW). This study thus explores the association between maternal exposure to ambient air pollutants and the risk of VLBW, and estimates the sensitive exposure time window. Methods A retrospective cohort study analyzed in Chongqing, China, during 2015-2020. The Generalized Additive Model were applied to estimate exposures for each participant during each trimester and the entire pregnancy period. Results For each 10 μg/m3 increase in PM2.5 during pregnancy, the relative risk of VLBW increased on the first trimester, with RR = 1.100 (95% CI: 1.012, 1.195) in the single-pollutant model. Similarly, for each 10 μg/m3 increase in PM10, there was a 12.9% (RR = 1.129, 95% CI: 1.055, 1.209) increase for VLBW on the first trimester in the single-pollutant model, and an 11.5% (RR = 1.115, 95% CI: 1.024, 1.213) increase in the multi-pollutant model, respectively. The first and second trimester exposures of NO2 were found to have statistically significant RR values for VLBW. The RR values on the first trimester were 1.131 (95% CI: 1.037, 1.233) and 1.112 (95% CI: 1.015, 1.218) in the single-pollutant model and multi-pollutant model, respectively; The RR values on the second trimester were 1.129 (95% CI: 1.027, 1.241) and 1.146 (95% CI: 1.038, 1.265) in the single-pollutant model and multi-pollutant model, respectively. The RR of O3 exposure for VLBW on the entire trimester was 1.076 (95% CI: 1.010-1.146), and on the second trimester was 1.078 (95% CI: 1:016, 1.144) in the single-pollutant model. Conclusion This study indicates that maternal exposure to high levels of PM2.5, PM10, NO2, and O3 during pregnancy may increase the risk of very low birth weight, especially for exposure on the first and second trimester. Reducing the risk of early maternal exposure to ambient air pollution is thus necessary for pregnant women.
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Affiliation(s)
- Wenzheng Zhou
- Department of Quality Management Section, Women and Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Quality Management Section, Chongqing Health Center for Women and Children, Chongqing, China
| | - Xin Ming
- Department of Quality Management Section, Women and Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Quality Management Section, Chongqing Health Center for Women and Children, Chongqing, China
| | - Yunping Yang
- Department of Quality Management Section, Women and Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Quality Management Section, Chongqing Health Center for Women and Children, Chongqing, China
| | - Yaqiong Hu
- Department of Quality Management Section, Women and Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Quality Management Section, Chongqing Health Center for Women and Children, Chongqing, China
| | - Ziyi He
- Department of Quality Management Section, Women and Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Quality Management Section, Chongqing Health Center for Women and Children, Chongqing, China
| | - Hongyan Chen
- Department of Quality Management Section, Women and Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Quality Management Section, Chongqing Health Center for Women and Children, Chongqing, China
| | - Yannan Li
- Department of Quality Management Section, Women and Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Quality Management Section, Chongqing Health Center for Women and Children, Chongqing, China
| | - Jin Cheng
- Institute of Toxicology, College of Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing, China
- Jin Cheng
| | - Xiaojun Zhou
- Department of Quality Management Section, Women and Children's Hospital of Chongqing Medical University, Chongqing, China
- Department of Quality Management Section, Chongqing Health Center for Women and Children, Chongqing, China
- *Correspondence: Xiaojun Zhou
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15
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Nishihama Y, Nakayama SF, Tabuchi T. Population attributable fraction of risk factors for low birth weight in the Japan Environment and Children's Study. ENVIRONMENT INTERNATIONAL 2022; 170:107560. [PMID: 36240622 DOI: 10.1016/j.envint.2022.107560] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/15/2022] [Accepted: 10/02/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Low birth weight (LBW), which is considered a birth weight of <2500 g, poses significant health problems for children. However, population attributable fraction (PAF) of risk factors for LBW have not been well studied. OBJECTIVE We aimed to re-evaluate associations between risk factors for LBW reported in previous studies that used the Japan Environment and Children's Study (JECS) data, and to estimate the magnitude of risk using PAF. METHODS Data including 91,559 mother-child dyads were obtained from JECS. Risk factors identified by previous studies that used JECS data were used to calculate odds ratios for LBW using a Bayesian logistic regression model. Based on calculated odds ratios, the PAF was calculated. RESULTS Parity, history of adenomyosis, hypertension disorder of pregnancy, maternal age at birth, prepregnancy body mass index, gestational weight gain (GWG), maternal smoking and lead (Pb) exposure were all significantly associated with LBW. The sum of the PAF of all factors was 79.4 %, with the largest PAF among single risk factors being GWG (16.5 %); the environmental portion of the PAF (Pb exposure, 14.6 % + maternal smoking, 12.1 %) surpassed the PAF of GWG. CONCLUSION Our findings suggest that the number of births classified as LBW can be reduced by approximately 27% if Pb exposure is reduced to the lowest quartile and maternal smoking is eliminated. Further investigations are needed to identify unknown risk factors for LBW.
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Affiliation(s)
- Yukiko Nishihama
- Japan Environment and Children's Study Programme Office, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan.
| | - Shoji F Nakayama
- Japan Environment and Children's Study Programme Office, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan.
| | - Takahiro Tabuchi
- Cancer Control Center, Osaka International Cancer Institute, 3-1-69 Otemae, Chuo-ku, Osaka 541-8567, Japan.
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16
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Lee J, Costello S, Balmes JR, Holm SM. The Association between Ambient PM 2.5 and Low Birth Weight in California. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph192013554. [PMID: 36294135 PMCID: PMC9602828 DOI: 10.3390/ijerph192013554] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/04/2022] [Accepted: 10/14/2022] [Indexed: 05/25/2023]
Abstract
Previous studies have shown associations between air pollutants and low birth weight. However, few studies assess whether poverty and race/ethnicity are effect modifiers for this relationship. We used publicly available data on 7785 California census tracts from the California Communities Environmental Health Screening Tool (CalEnviroScreen). Multivariable linear regression was used to examine the association between outdoor PM2.5 and low birth weight (LBW), including stratification by poverty and race/ethnicity (as a proxy for experienced racism). A 1 µg m-3 increase in PM2.5 was associated with a 0.03% (95% CI: 0.01, 0.04) increase in the percentage of LBW infants in a census tract. The association between PM2.5 and LBW was stronger in census tracts with the majority living in poverty (0.06% increase; 95% CI: 0.03, 0.08) compared to those with fewer people living in poverty (0.02% increase; 95% CI: 0.00, 0.03). Our results show that exposure to outdoor PM2.5 is associated with a small increase in the percentage of LBW infants in a census tract, with a further increase in tracts with high poverty. The results for effect modification by race/ethnicity were less conclusive.
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Affiliation(s)
- Jasmine Lee
- Division of Epidemiology, School of Public Health, University of California, Berkeley, CA 94704, USA
| | - Sadie Costello
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA 94704, USA
| | - John R. Balmes
- Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA 94704, USA
- Division of Occupational and Environmental Medicine, Department of Medicine, University of California, San Francisco, CA 94143, USA
| | - Stephanie M. Holm
- Division of Occupational and Environmental Medicine, Department of Medicine, University of California, San Francisco, CA 94143, USA
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17
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Lau C, Behlen JC, Myers A, Li Y, Zhao J, Harvey N, Wright G, Hoffmann AR, Zhang R, Johnson NM. In Utero Ultrafine Particulate Exposure Yields Sex- and Dose-Specific Responses to Neonatal Respiratory Syncytial Virus Infection. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:11527-11535. [PMID: 35926851 PMCID: PMC9386899 DOI: 10.1021/acs.est.2c02786] [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] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 06/15/2023]
Abstract
Exposure to particulate matter (PM) is associated with lower respiratory tract infections. The role of ultrafine particles (UFPs, ≤0.1 μm) in respiratory disease is not fully elucidated, especially in models of immunologically immature populations. To characterize the effects of maternal UFP exposure on neonatal infection, we exposed time-mated C57Bl/6n mice to filtered air or UFPs at a low dose (LD, ∼55 μg/m3) and high dose (HD, ∼275 μg/m3) throughout gestation. At 5 days of age, offspring were infected with a respiratory syncytial virus (RSV) strain known to mimic infant infection or sham control. Offspring body weights were significantly reduced in response to infection in the LD RSV group, particularly females. Pulmonary gene expression analysis demonstrated significantly increased levels of oxidative stress- and inflammation-related genes in HD-exposed male offspring in sham and RSV-infected groups. In males, the highest grade of inflammation was observed in the HD RSV group, whereas in females, the LD RSV group showed the most marked inflammation. Overall, findings highlight neonatal responses are dependent on offspring sex and maternal UFP dose. Importantly, infant RSV pathology may be enhanced following even low dose UFP exposure signifying the importance of preventing maternal exposure.
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Affiliation(s)
- Carmen Lau
- Department
of Veterinary Pathobiology, Texas A&M
University, College Station, Texas 77843, United States
| | - Jonathan C. Behlen
- Department
of Environmental and Occupational Health, Texas A&M University, College
Station, Texas 77843, United States
| | - Alexandra Myers
- Department
of Veterinary Pathobiology, Texas A&M
University, College Station, Texas 77843, United States
| | - Yixin Li
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Jiayun Zhao
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Navada Harvey
- Department
of Environmental and Occupational Health, Texas A&M University, College
Station, Texas 77843, United States
| | - Gus Wright
- Department
of Veterinary Pathobiology, Texas A&M
University, College Station, Texas 77843, United States
| | - Aline Rodrigues Hoffmann
- Department
of Comparative, Diagnostic & Population Medicine, University of Florida, Gainesville, Florida 32611, United States
| | - Renyi Zhang
- Department
of Chemistry, Texas A&M University, College Station, Texas 77843, United States
- Department
of Atmospheric Sciences, Texas A&M University, College Station, Texas 77843, United States
| | - Natalie M. Johnson
- Department
of Environmental and Occupational Health, Texas A&M University, College
Station, Texas 77843, United States
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Huang HJ, Yu QY, Zheng T, Wang SS, Yang XJ. Associations between seasonal ambient air pollution and adverse perinatal outcomes: a retrospective cohort study in Wenzhou, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:59903-59914. [PMID: 35397724 DOI: 10.1007/s11356-022-20084-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 03/31/2022] [Indexed: 06/14/2023]
Abstract
Prenatal exposure to ambient air pollution has been associated with adverse perinatal outcomes in previous studies. However, few studies have examined the interaction between air pollution and the season of conception on term low birth weight (TLBW) or macrosomia. Birth registry data of singleton live births in Wenzhou, China, between January 2015 and December 2016 were accessed from the Wenzhou Maternal and Child Health Information Management platform, and data on the ambient air pollutants in Wenzhou were obtained from the Chinese Air Quality Online Monitoring and Analysis Platform. Single-/two-pollutant binary logistic regression models were used to assess the associations between ambient air pollutants (PM2.5, PM10, NO2, SO2, and O3) and TLBW/macrosomia, further exploring whether the season of conception interacts with air pollution to impact birth weight. Finally, 213,959 term newborns were selected, including 2452 (1.1%) infants with TLBW and 13,173 (6.1%) infants with macrosomia. In the single-/two-pollutant models, we observed an increased risk of TLBW associated with maternal exposure to PM2.5, PM10, SO2, and NO2 during the entire pregnancy, especially in the 2nd trimester. Maternal exposure to O3 during the 1st trimester was associated with increased macrosomia risk, and O3 exposure during the 3rd trimester was associated with increased TLBW risk. Pregnant women who conceive in the warm season may experience a more adverse ambient air environment that is related to the risks of TLBW. These findings add to the evidence suggesting that air pollution and the season of conception may have synergistic effects on adverse perinatal outcomes, especially TLBW. Further prospective cohort studies are needed to validate our results.
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Affiliation(s)
- Hui-Jun Huang
- Department of Epidemiology and Health Statistics, School of Public Health and Management, Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Qiu-Yan Yu
- Department of Epidemiology and Health Statistics, School of Public Health and Management, Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Tian Zheng
- Department of Epidemiology and Health Statistics, School of Public Health and Management, Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Shan-Shan Wang
- Department of Epidemiology and Health Statistics, School of Public Health and Management, Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Xin-Jun Yang
- Department of Epidemiology and Health Statistics, School of Public Health and Management, Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China.
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Xie G, Wang R, Yang W, Sun L, Xu M, Zhang B, Yang L, Shang L, Qi C, Chung MC. Associations among prenatal PM 2.5, birth weight, and renal function. CHEMOSPHERE 2022; 301:134668. [PMID: 35460673 DOI: 10.1016/j.chemosphere.2022.134668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 04/02/2022] [Accepted: 04/18/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Low birth weight has long-term health effects, including neurodevelopmental delays, cardiovascular diseases, and type 2 diabetes, through epigenetic changes and modifications. Numerous studies have identified that PM2.5 is associated with low birth weight. However, the association between PM2.5 and renal function, as well as the mediated effect of renal function on the association between prenatal PM2.5 and birth weight are still under-recognized. METHODS A total of 8969 singleton live births born in 2015-2019 were included in this study. The inverse distance weighting method was applied to interpolate and calculate the average exposure to PM2.5 during pregnancy for each pregnant woman. The multiple linear regression model was used to shed light on the associations among prenatal PM2.5, birth weight, and renal function. In addition, the mediation analysis was performed to figure out the mediated effect of renal function on the association between prenatal PM2.5 and birth weight, and the proportion of mediated effect = (indirect effect/total effect) × 100%. RESULTS Per 10 μg/m3 increment of prenatal PM2.5 was associated with 8.98 g (95% CI: -16.94 to -1.02) decrease of birth weight, 0.49 (95% CI: -0.73 to -0.26) ml/min/1.73 m2 decrease of glomerular filtration rate (GFR), 0.03 (95% CI: 0.01-0.05) mmol/L increase of blood urea nitrogen (BUN), and 2.29 (95% CI: 0.86-3.72) μmol/L increase of uric acid (UA) after adjusting for the sociodemographic covariates, disease-related covariates and meteorological factors. Besides, the mediated effects of GFR and BUN on the association between prenatal PM2.5 and birth weight were 5.02% and 14.96%, but there was no significant mediated effect being identified in UA. CONCLUSION Prenatal PM2.5 is related to reduced birth weight and impaired renal function. Renal function plays a partial role in the association between prenatal PM2.5 and birth weight. Appropriate guidelines should be formulated by the concerned authorities, and adequate efforts should be made to mitigate the detrimental health effects of PM2.5.
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Affiliation(s)
- Guilan Xie
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China; School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi Province, People's Republic of China
| | - Ruiqi Wang
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China; School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi Province, People's Republic of China
| | - Wenfang Yang
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China.
| | - Landi Sun
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China; School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi Province, People's Republic of China
| | - Mengmeng Xu
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Boxing Zhang
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China; School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi Province, People's Republic of China
| | - Liren Yang
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China; School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi Province, People's Republic of China
| | - Li Shang
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China; School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi Province, People's Republic of China
| | - Cuifang Qi
- Department of Obstetrics and Gynecology, Maternal & Child Health Center, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, People's Republic of China
| | - Mei Chun Chung
- Division of Nutrition Epidemiology and Data Science, Friedman School of Nutrition Science and Policy, Tufts University, Massachusetts Boston, USA
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20
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Nyadanu SD, Dunne J, Tessema GA, Mullins B, Kumi-Boateng B, Lee Bell M, Duko B, Pereira G. Prenatal exposure to ambient air pollution and adverse birth outcomes: An umbrella review of 36 systematic reviews and meta-analyses. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 306:119465. [PMID: 35569625 DOI: 10.1016/j.envpol.2022.119465] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 04/12/2022] [Accepted: 05/09/2022] [Indexed: 06/15/2023]
Abstract
Multiple systematic reviews and meta-analyses linked prenatal exposure to ambient air pollutants to adverse birth outcomes with mixed findings, including results indicating positive, negative, and null associations across the pregnancy periods. The objective of this study was to systematically summarise systematic reviews and meta-analyses on air pollutants and birth outcomes to assess the overall epidemiological evidence. Systematic reviews with/without meta-analyses on the association between air pollutants (NO2, CO, O3, SO2, PM2.5, and PM10) and birth outcomes (preterm birth; stillbirth; spontaneous abortion; birth weight; low birth weight, LBW; small-for-gestational-age) up to March 30, 2022 were included. We searched PubMed, CINAHL, Scopus, Medline, Embase, and the Web of Science Core Collection, systematic reviews repositories, grey literature databases, internet search engines, and references of included studies. The consistency in the directions of the effect estimates was classified as more consistent positive or negative, less consistent positive or negative, unclear, and consistently null. Next, the confidence in the direction was rated as either convincing, probable, limited-suggestive, or limited non-conclusive evidence. Final synthesis included 36 systematic reviews (21 with and 15 without meta-analyses) that contained 295 distinct primary studies. PM2.5 showed more consistent positive associations than other pollutants. The positive exposure-outcome associations based on the entire pregnancy period were more consistent than trimester-specific exposure averages. For whole pregnancy exposure, a more consistent positive association was found for PM2.5 and birth weight reductions, particulate matter and spontaneous abortion, and SO2 and LBW. Other exposure-outcome associations mostly showed less consistent positive associations and few unclear directions of associations. Almost all associations showed probable evidence. The available evidence indicates plausible causal effects of criteria air pollutants on birth outcomes. To strengthen the evidence, more high-quality studies are required, particularly from understudied settings, such as low-and-middle-income countries. However, the current evidence may warrant the adoption of the precautionary principle.
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Affiliation(s)
- Sylvester Dodzi Nyadanu
- Curtin School of Population Health, Curtin University, Perth, Kent Street, Bentley, Western Australia, 6102, Australia; Education, Culture, and Health Opportunities (ECHO) Ghana, ECHO Research Group International, P. O. Box 424, Aflao, Ghana.
| | - Jennifer Dunne
- Curtin School of Population Health, Curtin University, Perth, Kent Street, Bentley, Western Australia, 6102, Australia
| | - Gizachew Assefa Tessema
- Curtin School of Population Health, Curtin University, Perth, Kent Street, Bentley, Western Australia, 6102, Australia; School of Public Health, University of Adelaide, Adelaide, South Australia, 5000, Australia
| | - Ben Mullins
- Curtin School of Population Health, Curtin University, Perth, Kent Street, Bentley, Western Australia, 6102, Australia
| | - Bernard Kumi-Boateng
- Department of Geomatic Engineering, University of Mines and Technology, P. O. Box 237, Tarkwa, Ghana
| | - Michelle Lee Bell
- School of the Environment, Yale University, New Haven, CT, 06511, USA
| | - Bereket Duko
- Curtin School of Population Health, Curtin University, Perth, Kent Street, Bentley, Western Australia, 6102, Australia
| | - Gavin Pereira
- Curtin School of Population Health, Curtin University, Perth, Kent Street, Bentley, Western Australia, 6102, Australia; Centre for Fertility and Health (CeFH), Norwegian Institute of Public Health, 0473, Oslo, Norway; enAble Institute, Curtin University, Perth, Kent Street, Bentley, Western Australia, 6102, Australia
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Luque-García L, Corrales A, Lertxundi A, Díaz S, Ibarluzea J. Does exposure to greenness improve children's neuropsychological development and mental health? A Navigation Guide systematic review of observational evidence for associations. ENVIRONMENTAL RESEARCH 2022; 206:112599. [PMID: 34932982 DOI: 10.1016/j.envres.2021.112599] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 12/15/2021] [Accepted: 12/17/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Contact with nature may have a key role in child brain development. Recent observational studies have reported improvements in children's neuropsychological development and mental health associated with greenness exposure. In a rapidly urbanizing word, researchers, policymakers, healthcare workers and urban planners need to work together to elaborate evidence-based policies and interventions to increase the availability of quality green space with the potential to enhance childhood development. OBJECTIVE To review the observational evidence assessing the effect of exposure to greenness on children's neuropsychological development and mental health. METHODS The protocol for the review was preregistered at PROSPERO (CRD42020213838). The Navigation Guide systematic review methodology was followed. Search strategies were formulated and adapted to each database. Searches were performed in PubMed, Scopus, Web of Science and EBSCO's GreenFILE on October 5, 2021. Additional articles were further identified by hand-searching reference lists of included papers. RESULTS A systematic search of 4 databases identified 621 studies, of which 34 were included in the review. The studies included investigated diverse domains within neuropsychological development and mental health, such as attention, working memory, intelligence, cognitive development, academic performance, well-being, attention-deficit/hyperactivity disorder symptoms, and behavior. Most of the studies were rated as having high or probably high risk of bias in the assessment. DISCUSSION Although nearly all studies showed a positive association between greenness exposure and the outcomes studied, the heterogeneity in the methods used to assess exposure and the diversity of domains within each main outcome has made it difficult to draw clear conclusions. Future studies should adopt a longitudinal design to confirm the causality of the associations and include measures to determine which characteristics of greenness have the greatest influence on each domain. Researchers should also try to explore pathways linking exposure to greenness with the neuropsychological development and mental health, by implementing mechanistic studies.
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Affiliation(s)
- L Luque-García
- Department of Preventive Medicine and Public Health, Faculty of Medicine, University of the Basque Country (UPV/EHU), Leioa, 48940, Spain; Biodonostia Health Research Institute, Environmental Epidemiology and Child Development Group, 20014, San Sebastian, Spain; Osakidetza Basque Health Service, Goierri Alto-Urola Integrated Health Organisation, Zumarraga Hospital, Zumarraga, 20700, Spain.
| | - A Corrales
- Osakidetza Basque Health Service, Uribe Integrated Health Organisation, Urduliz-Alfredo Espinosa Hospital, Urduliz, 48610, Spain
| | - A Lertxundi
- Department of Preventive Medicine and Public Health, Faculty of Medicine, University of the Basque Country (UPV/EHU), Leioa, 48940, Spain; Biodonostia Health Research Institute, Environmental Epidemiology and Child Development Group, 20014, San Sebastian, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), 28029, Madrid, Spain
| | - S Díaz
- Department of Preventive Medicine and Public Health, Faculty of Medicine, University of the Basque Country (UPV/EHU), Leioa, 48940, Spain
| | - J Ibarluzea
- Biodonostia Health Research Institute, Environmental Epidemiology and Child Development Group, 20014, San Sebastian, Spain; Spanish Consortium for Research on Epidemiology and Public Health (CIBERESP), 28029, Madrid, Spain; Ministry of Health of the Basque Government, Sub-Directorate for Public Health and Addictions of Gipuzkoa, 20013, San Sebastián, Spain; Faculty of Psychology of the University of the Basque Country, 20018, San Sebastian, Spain
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22
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Hsu CN, Tain YL. Chronic Kidney Disease and Gut Microbiota: What Is Their Connection in Early Life? Int J Mol Sci 2022; 23:3954. [PMID: 35409313 PMCID: PMC9000069 DOI: 10.3390/ijms23073954] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/29/2022] [Accepted: 03/31/2022] [Indexed: 02/07/2023] Open
Abstract
The gut-kidney interaction implicating chronic kidney disease (CKD) has been the focus of increasing interest in recent years. Gut microbiota-targeted therapies could prevent CKD and its comorbidities. Considering that CKD can originate in early life, its treatment and prevention should start in childhood or even earlier in fetal life. Therefore, a better understanding of how the early-life gut microbiome impacts CKD in later life and how to develop ideal early interventions are unmet needs to reduce CKD. The purpose of the current review is to summarize (1) the current evidence on the gut microbiota dysbiosis implicated in pediatric CKD; (2) current knowledge supporting the impact of the gut-kidney axis in CKD, including inflammation, immune response, alterations of microbiota compositions, short-chain fatty acids, and uremic toxins; and (3) an overview of the studies documenting early gut microbiota-targeted interventions in animal models of CKD of developmental origins. Treatment options include prebiotics, probiotics, postbiotics, etc. To accelerate the transition of gut microbiota-based therapies for early prevention of CKD, an extended comprehension of gut microbiota dysbiosis implicated in renal programming is needed, as well as a greater focus on pediatric CKD for further clinical translation.
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Affiliation(s)
- Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan;
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
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23
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Mendoza-Sanchez I, Uwak I, Myatt L, Van Cleve A, Pulczinski JC, Rychlik KA, Sweet S, Ramani T, Zietsman J, Zamora ML, Koehler K, Carrillo G, Johnson NM. Maternal exposure to polycyclic aromatic hydrocarbons in South Texas, evaluation of silicone wristbands as personal passive samplers. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2022; 32:280-288. [PMID: 34131287 PMCID: PMC8920889 DOI: 10.1038/s41370-021-00348-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 05/25/2021] [Accepted: 05/27/2021] [Indexed: 05/12/2023]
Abstract
BACKGROUND Prenatal exposure to polycyclic aromatic hydrocarbons (PAHs) is associated with adverse health effects in children. Valid exposure assessment methods with accurate spatial and temporal resolution across pregnancy is a critical need for advancing environmental health studies. OBJECTIVE The objective of this study was to quantify maternal PAH exposure in pregnant women residing in McAllen, Texas where the prematurity rate and childhood asthma prevalence rates are high. A secondary objective was to compare PAH levels in silicone wristbands deployed as passive samplers with concentrations measured using standardized active air-sampling techniques. METHODS Participants carried a backpack that contained air-sampling equipment (i.e., filter and XAD sorbent) and a silicone wristband (i.e., passive sampler) for three nonconsecutive 24-h periods. Filters, XAD tubes, and wristbands were analyzed for PAHs. RESULTS The median level of exposure for the sum of 16 PAHs measured via active sampling over 24 h was 5.54 ng/m3 (filters) and 43.82 ng/m3 (XADs). The median level measured in wristbands (WB) was 586.82 ng/band. Concentrations of the PAH compounds varied across sampling matrix type. Phenanthrene and fluorene were consistently measured for all participants and in all matrix types. Eight additional volatile PAHs were measured in XADs and WBs; the median level of exposure for the sum of these eight PAHs was 342.98 ng/m3 (XADs) and 632.27 ng/band. The silicone wristbands (WB) and XAD sorbents bound 1-methynaphthalyne, 2-methylnaphthalene, biphenyl following similar patterns of detection. SIGNIFICANCE Since prior studies indicate linkages between PAH exposure and adverse health outcomes in children at the PAH levels detected in our study, further investigation on the associated health effects is needed. Data reflect the ability of silicone wristbands to bind smaller molecular weight, semivolatile PAHs similar to XAD resin. Application of wristbands as passive samplers may be useful in studies evaluating semivolatile PAHs.
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Affiliation(s)
- Itza Mendoza-Sanchez
- Department of Environmental and Occupational Health, Texas A&M University School of Public Health, College Station, TX, USA
| | - Inyang Uwak
- Department of Environmental and Occupational Health, Texas A&M University School of Public Health, College Station, TX, USA
| | - Louise Myatt
- Department of Environmental and Occupational Health, Texas A&M University School of Public Health, College Station, TX, USA
| | - Allison Van Cleve
- Department of Environmental and Occupational Health, Texas A&M University School of Public Health, College Station, TX, USA
| | - Jairus C Pulczinski
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Kristal A Rychlik
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Stephen Sweet
- Geochemical and Environmental Research Group, Texas A&M University, College Station, TX, USA
| | - Tara Ramani
- Environment and Air Quality Division, Texas A&M Transportation Institute, College Station, TX, USA
| | - Josias Zietsman
- Environment and Air Quality Division, Texas A&M Transportation Institute, College Station, TX, USA
| | - Misti Levy Zamora
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Kirsten Koehler
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Genny Carrillo
- Department of Environmental and Occupational Health, Texas A&M University School of Public Health, College Station, TX, USA
| | - Natalie M Johnson
- Department of Environmental and Occupational Health, Texas A&M University School of Public Health, College Station, TX, USA.
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24
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Behlen JC, Lau CH, Pendleton D, Li Y, Hoffmann AR, Golding MC, Zhang R, Johnson NM. NRF2-Dependent Placental Effects Vary by Sex and Dose following Gestational Exposure to Ultrafine Particles. Antioxidants (Basel) 2022; 11:352. [PMID: 35204234 PMCID: PMC8868520 DOI: 10.3390/antiox11020352] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/05/2022] [Accepted: 02/07/2022] [Indexed: 02/04/2023] Open
Abstract
Exposure to ultrafine particles (UFPs, PM0.1) during pregnancy triggers placental oxidative stress and inflammation, similar to fine PM (PM2.5). The Nrf2 gene encodes a redox-sensitive transcription factor that is a major regulator of antioxidant and anti-inflammatory responses. Disruption of NRF2 is known to substantially enhance PM2.5-driven oxidant and inflammatory responses; however, specific responses to UFP exposure, especially during critical windows of susceptibility such as pregnancy, are not fully characterized; To investigate the role of NRF2 in regulating maternal antioxidant defenses and placental responses to UFP exposure, wildtype (WT) and Nrf2-/- pregnant mice were exposed to either low dose (LD, 100 µg/m3) or high dose (HD, 500 µg/m3) UFP mixture or filtered air (FA, control) throughout gestation; Nrf2-/- HD-exposed female offspring exhibited significantly reduced fetal and placental weights. Placental morphology changes appeared most pronounced in Nrf2-/- LD-exposed offspring of both sexes. Glutathione (GSH) redox analysis revealed significant increases in the GSH/GSSG ratio (reduced/oxidized) in WT female placental tissue exposed to HD in comparison with Nrf2-/- HD-exposed mice. The expression of inflammatory cytokine genes (Il1β, Tnfα) was significantly increased in Nrf2-/- placentas from male and female offspring across all exposure groups. Genes related to bile acid metabolism and transport were differentially altered in Nrf2-/- mice across sex and exposure groups. Notably, the group with the most marked phenotypic effects (Nrf2-/- HD-exposed females) corresponded to significantly higher placental Apoa1 and Apob expression suggesting a link between placental lipid transport and NRF2 in response to high dose UFP exposure; Disruption of NRF2 exacerbates adverse developmental outcomes in response to high dose UFP exposure in female offspring. Morphological effects in placenta from male and female offspring exposed to low dose UFPs also signify the importance of NRF2 in maternal-fetal response to UFPs.
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Affiliation(s)
- Jonathan C. Behlen
- Department of Environmental and Occupational Health, Texas A&M University, College Station, TX 77843, USA; (J.C.B.); (D.P.)
| | - Carmen H. Lau
- Department of Veterinary Pathobiology, Texas A&M University, College Station, TX 77843, USA;
| | - Drew Pendleton
- Department of Environmental and Occupational Health, Texas A&M University, College Station, TX 77843, USA; (J.C.B.); (D.P.)
| | - Yixin Li
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA; (Y.L.); (R.Z.)
| | - Aline Rodrigues Hoffmann
- Department of Comparative, Diagnostic and Preventive Medicine, University of Florida, Gainesville, FL 32653, USA;
| | - Michael C. Golding
- Department of Veterinary Physiology and Pharmacology, Texas A&M University, College Station, TX 77843, USA;
| | - Renyi Zhang
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA; (Y.L.); (R.Z.)
- Department of Atmospheric Sciences, Texas A&M University, College Station, TX 77843, USA
| | - Natalie M. Johnson
- Department of Environmental and Occupational Health, Texas A&M University, College Station, TX 77843, USA; (J.C.B.); (D.P.)
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25
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Gong C, Wang J, Bai Z, Rich DQ, Zhang Y. Maternal exposure to ambient PM 2.5 and term birth weight: A systematic review and meta-analysis of effect estimates. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 807:150744. [PMID: 34619220 DOI: 10.1016/j.scitotenv.2021.150744] [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: 07/28/2021] [Revised: 09/18/2021] [Accepted: 09/28/2021] [Indexed: 06/13/2023]
Abstract
Effect estimates of prenatal exposure to ambient PM2.5 on change in grams (β) of birth weight among term births (≥37 weeks of gestation; term birth weight, TBW) vary widely across studies. We present the first systematic review and meta-analysis of evidence regarding these associations. Sixty-two studies met the eligibility criteria for this review, and 31 studies were included in the meta-analysis. Random-effects meta-analysis was used to assess the quantitative relationships. Subgroup analyses were performed to gain insight into heterogeneity derived from exposure assessment methods (grouped by land use regression [LUR]-models, aerosol optical depth [AOD]-based models, interpolation/dispersion/Bayesian models, and data from monitoring stations), study regions, and concentrations of PM2.5 exposure. The overall pooled estimate involving 23,925,941 newborns showed that TBW was negatively associated with PM2.5 exposure (per 10 μg/m3 increment) during the entire pregnancy (β = -16.54 g), but with high heterogeneity (I2 = 95.6%). The effect estimate in the LUR-models subgroup (β = -16.77 g) was the closest to the overall estimate and with less heterogeneity (I2 = 18.3%) than in the other subgroups of AOD-based models (β = -41.58 g; I2 = 95.6%), interpolation/dispersion models (β = -10.78 g; I2 = 86.6%), and data from monitoring stations (β = -11.53 g; I2 = 97.3%). Even PM2.5 exposure levels of lower than 10 μg/m3 (the WHO air quality guideline value) had adverse effects on TBW. The LUR-models subgroup was the only subgroup that obtained similar significant of negative associations during the three trimesters as the overall trimester-specific analyses. In conclusion, TBW was negatively associated with maternal PM2.5 exposures during the entire pregnancy and each trimester. More studies based on relatively standardized exposure assessment methods need to be conducted to further understand the precise susceptible exposure time windows and potential mechanisms.
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Affiliation(s)
- Chen Gong
- Department of Family Planning, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Jianmei Wang
- Department of Family Planning, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Zhipeng Bai
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China; Department of Environmental and Occupational Health Sciences, School of Public Health, University of Washington, Seattle, Washington, USA
| | - David Q Rich
- Department of Public Health Sciences, University of Rochester Medical Center, Rochester, New York, USA
| | - Yujuan Zhang
- Department of Family Planning, The Second Hospital of Tianjin Medical University, Tianjin, China; State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, China.
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Lau CH, Pendleton D, Drury NL, Zhao J, Li Y, Zhang R, Wright GA, Hoffmann AR, Johnson NM. NRF2 Protects against Altered Pulmonary T Cell Differentiation in Neonates Following In Utero Ultrafine Particulate Matter Exposure. Antioxidants (Basel) 2022; 11:202. [PMID: 35204086 PMCID: PMC8868442 DOI: 10.3390/antiox11020202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 11/18/2022] Open
Abstract
Early life exposure to particulate matter (PM) air pollution negatively impacts neonatal health. The underlying mechanisms following prenatal exposure, particularly to ultrafine particles (UFP, diameter ≤ 0.1 μm), are not fully understood; To evaluate the role of Nrf2 in response to in utero UFP exposure, we exposed time-mated Nrf2-deficient (Nrf2-/-) or wildtype (WT) mice to filtered air (FA) or 100 μg/m3 ultrafine PM daily throughout pregnancy. Offspring were evaluated for pulmonary immunophenotypes and pulmonary/systemic oxidative stress on postnatal day 5, a timepoint at which we previously demonstrated viral respiratory infection susceptibility; Nrf2-/- offspring exposed to FA had significantly lower average body weights compared to FA-exposed WT pups. Moreover, PM-exposed Nrf2-/- offspring weighed significantly less than PM-exposed WT pups. Notably, PM-exposed Nrf2-/- offspring showed a decreased pulmonary Th1/Th2 ratio, indicating a Th2 bias. Th17 cells were increased in FA-exposed Nrf2-/- neonates yet decreased in PM-exposed Nrf2-/- neonates. Analysis of oxidative stress-related genes in lung and oxidative stress biomarkers in liver tissues did not vary significantly across exposure groups or genotypes. Collectively, these findings indicate that the lack of Nrf2 causes growth inhibitory effects in general and in response to gestational UFP exposure. Prenatal UFP exposure skews CD4+ T lymphocyte differentiation toward Th2 in neonates lacking Nrf2, signifying its importance in maternal exposure and infant immune responses.
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Affiliation(s)
- Carmen H. Lau
- Department of Veterinary Pathobiology, Texas A&M University, College Station, TX 77843, USA; (C.H.L.); (G.A.W.)
| | - Drew Pendleton
- Department of Environmental and Occupational Health, Texas A&M University, College Station, TX 77843, USA; (D.P.); (N.L.D.)
| | - Nicholas L. Drury
- Department of Environmental and Occupational Health, Texas A&M University, College Station, TX 77843, USA; (D.P.); (N.L.D.)
| | - Jiayun Zhao
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA; (J.Z.); (Y.L.); (R.Z.)
| | - Yixin Li
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA; (J.Z.); (Y.L.); (R.Z.)
| | - Renyi Zhang
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA; (J.Z.); (Y.L.); (R.Z.)
- Department of Atmospheric Sciences, Texas A&M University, College Station, TX 77843, USA
| | - Gus A. Wright
- Department of Veterinary Pathobiology, Texas A&M University, College Station, TX 77843, USA; (C.H.L.); (G.A.W.)
- Flow Cytometry Facility, Texas A&M University, College Station, TX 77843, USA
| | - Aline Rodrigues Hoffmann
- Department of Comparative, Diagnostic, and Population Medicine, University of Florida, Gainesville, FL 32653, USA;
| | - Natalie M. Johnson
- Department of Environmental and Occupational Health, Texas A&M University, College Station, TX 77843, USA; (D.P.); (N.L.D.)
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Hsu CN, Tain YL. Adverse Impact of Environmental Chemicals on Developmental Origins of Kidney Disease and Hypertension. Front Endocrinol (Lausanne) 2021; 12:745716. [PMID: 34721300 PMCID: PMC8551449 DOI: 10.3389/fendo.2021.745716] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 09/27/2021] [Indexed: 01/09/2023] Open
Abstract
Chronic kidney disease (CKD) and hypertension are becoming a global health challenge, despite developments in pharmacotherapy. Both diseases can begin in early life by so-called "developmental origins of health and disease" (DOHaD). Environmental chemical exposure during pregnancy can affect kidney development, resulting in renal programming. Here, we focus on environmental chemicals that pregnant mothers are likely to be exposed, including dioxins, bisphenol A (BPA), phthalates, per- and polyfluoroalkyl substances (PFAS), polycyclic aromatic hydrocarbons (PAH), heavy metals, and air pollution. We summarize current human evidence and animal models that supports the link between prenatal exposure to environmental chemicals and developmental origins of kidney disease and hypertension, with an emphasis on common mechanisms. These include oxidative stress, renin-angiotensin system, reduced nephron numbers, and aryl hydrocarbon receptor signaling pathway. Urgent action is required to identify toxic chemicals in the environment, avoid harmful chemicals exposure during pregnancy and lactation, and continue to discover other potentially harmful chemicals. Innovation is also needed to identify kidney disease and hypertension in the earliest stage, as well as translating effective reprogramming interventions from animal studies into clinical practice. Toward DOHaD approach, prohibiting toxic chemical exposure and better understanding of underlying mechanisms, we have the potential to reduce global burden of kidney disease and hypertension.
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Affiliation(s)
- Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, Taiwan
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Hsu CN, Tain YL. The First Thousand Days: Kidney Health and Beyond. Healthcare (Basel) 2021; 9:1332. [PMID: 34683012 PMCID: PMC8544398 DOI: 10.3390/healthcare9101332] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 09/25/2021] [Accepted: 10/03/2021] [Indexed: 12/12/2022] Open
Abstract
The global burden of chronic kidney disease (CKD) is rising. A superior strategy to advance global kidney health is required to prevent and treat CKD early. Kidney development can be impacted during the first 1000 days of life by numerous factors, including malnutrition, maternal illness, exposure to chemicals, substance abuse, medication use, infection, and exogenous stress. In the current review, we summarize environmental risk factors reported thus far in clinical and experimental studies relating to the programming of kidney disease, and systematize the knowledge on common mechanisms underlying renal programming. The aim of this review is to discuss the primary and secondary prevention actions for enhancing kidney health from pregnancy to age 2. The final task is to address the potential interventions to target renal programming through updating animal studies. Together, we can enhance the future of global kidney health in the first 1000 days of life.
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Affiliation(s)
- Chien-Ning Hsu
- Department of Pharmacy, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan;
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - You-Lin Tain
- Department of Pediatrics, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
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Fukunaga H. Mitochondrial DNA Copy Number and Developmental Origins of Health and Disease (DOHaD). Int J Mol Sci 2021; 22:ijms22126634. [PMID: 34205712 PMCID: PMC8235559 DOI: 10.3390/ijms22126634] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/17/2021] [Accepted: 06/18/2021] [Indexed: 12/11/2022] Open
Abstract
Mitochondrial dysfunction is known to contribute to mitochondrial diseases, as well as to a variety of aging-based pathologies. Mitochondria have their own genomes (mitochondrial DNA (mtDNA)) and the abnormalities, such as point mutations, deletions, and copy number variations, are involved in mitochondrial dysfunction. In recent years, several epidemiological studies and animal experiments have supported the Developmental Origin of Health and Disease (DOHaD) theory, which states that the environment during fetal life influences the predisposition to disease and the risk of morbidity in adulthood. Mitochondria play a central role in energy production, as well as in various cellular functions, such as apoptosis, lipid metabolism, and calcium metabolism. In terms of the DOHaD theory, mtDNA copy number may be a mediator of health and disease. This paper summarizes the results of recent epidemiological studies on the relationship between environmental factors and mtDNA copy number during pregnancy from the perspective of DOHaD theory. The results of these studies suggest a hypothesis that mtDNA copy number may reflect environmental influences during fetal life and possibly serve as a surrogate marker of health risks in adulthood.
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Affiliation(s)
- Hisanori Fukunaga
- Center for Environmental and Health Sciences, Hokkaido University, N12 W7 Kita-ku, Sapporo 060-0812, Japan
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