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Schrenk D, Bignami M, Bodin L, Chipman JK, del Mazo J, Grasl‐Kraupp B, Hogstrand C, Hoogenboom L(R, Leblanc J, Nebbia CS, Nielsen E, Ntzani E, Petersen A, Sand S, Vleminckx C, Wallace H, Barregård L, Benford D, Broberg K, Dogliotti E, Fletcher T, Rylander L, Abrahantes JC, Gómez Ruiz JÁ, Steinkellner H, Tauriainen T, Schwerdtle T. Update of the risk assessment of inorganic arsenic in food. EFSA J 2024; 22:e8488. [PMID: 38239496 PMCID: PMC10794945 DOI: 10.2903/j.efsa.2024.8488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2024] Open
Abstract
The European Commission asked EFSA to update its 2009 risk assessment on arsenic in food carrying out a hazard assessment of inorganic arsenic (iAs) and using the revised exposure assessment issued by EFSA in 2021. Epidemiological studies show that the chronic intake of iAs via diet and/or drinking water is associated with increased risk of several adverse outcomes including cancers of the skin, bladder and lung. The CONTAM Panel used the benchmark dose lower confidence limit based on a benchmark response (BMR) of 5% (relative increase of the background incidence after adjustment for confounders, BMDL05) of 0.06 μg iAs/kg bw per day obtained from a study on skin cancer as a Reference Point (RP). Inorganic As is a genotoxic carcinogen with additional epigenetic effects and the CONTAM Panel applied a margin of exposure (MOE) approach for the risk characterisation. In adults, the MOEs are low (range between 2 and 0.4 for mean consumers and between 0.9 and 0.2 at the 95th percentile exposure, respectively) and as such raise a health concern despite the uncertainties.
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Margiana R, Hamoud Alshahrani S, Kayumova D, Hussien Radie Alawadi A, Hjazi A, Alsalamy A, Qasim QA, Juyal A, Garousi N. Association between maternal exposure to arsenic by drinking water during pregnancy and risk of preterm birth: a systematic review and meta-analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2023:1-10. [PMID: 37967266 DOI: 10.1080/09603123.2023.2280155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 11/02/2023] [Indexed: 11/17/2023]
Abstract
The relation of exposure to arsenic in drinking water during pregnancy to the risk of preterm birth (PTB) was contradictory. This meta-analysis aimed to examine the association between drinking water arsenic and PTB. A systematic search in PubMed and Scopus was performed to achieve all relevant studies. Odds ratios (OR) and 95% confidence intervals (CI) were used to pool data using the random-effect models. Overall, 11 studies with a total sample size of 3,404,189 participants were included in the meta-analysis. Arsenic exposure through drinking water during pregnancy was related to an increased risk of PTB (OR = 1.06; 95%CI = 1.01-1.10 for highest versus lowest category of arsenic), with significant heterogeneity across the studies (I2 = 84.8%, P = 0.001). This finding was supported by cohort studies (OR = 1.05; 95%CI = 1.01-1.10). This meta-analysis proposes that higher arsenic exposure in drinking water may be a risk factor for PTB.
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Affiliation(s)
- Ria Margiana
- Department of Anatomy, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
- Master's Programme Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
- Andrology Program, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia
- Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
| | | | - Dilrabo Kayumova
- Department of Obstetrics and Gynecology, Tashkent Medical Academy, Tashkent, Uzbekistan
| | - Ahmed Hussien Radie Alawadi
- College of technical engineering, the Islamic University, Najaf, Iraq
- College of technical engineering, the Islamic University of Al Diwaniyah, Al Diwaniyah, Iraq
| | - Ahmed Hjazi
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Ali Alsalamy
- College of technical engineering, Imam Ja'afar Al-Sadiq University, Al-Muthanna, Iraq
| | | | - Ashima Juyal
- Electronics & Communication engineering, Uttaranchal Institute of Technology, Uttaranchal University, Dehradun, India
| | - Nazila Garousi
- Department of Clinical Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
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3
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Lewis JV, Knapp EA, Bakre S, Dickerson AS, Bastain TM, Bendixsen C, Bennett DH, Camargo CA, Cassidy-Bushrow AE, Colicino E, D'Sa V, Dabelea D, Deoni S, Dunlop AL, Elliott AJ, Farzan SF, Ferrara A, Fry RC, Hartert T, Howe CG, Kahn LG, Karagas MR, Ma TF, Koinis-Mitchell D, MacKenzie D, Maldonado LE, Merced-Nieves FM, Neiderhiser JM, Nigra AE, Niu Z, Nozadi SS, Rivera-Núñez Z, O'Connor TG, Osmundson S, Padula AM, Peterson AK, Sherris AR, Starling A, Straughen JK, Wright RJ, Zhao Q, Kress AM. Associations between area-level arsenic exposure and adverse birth outcomes: An Echo-wide cohort analysis. ENVIRONMENTAL RESEARCH 2023; 236:116772. [PMID: 37517496 PMCID: PMC10592196 DOI: 10.1016/j.envres.2023.116772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 06/20/2023] [Accepted: 07/27/2023] [Indexed: 08/01/2023]
Abstract
BACKGROUND Drinking water is a common source of exposure to inorganic arsenic. In the US, the Safe Drinking Water Act (SDWA) was enacted to protect consumers from exposure to contaminants, including arsenic, in public water systems (PWS). The reproductive effects of preconception and prenatal arsenic exposure in regions with low to moderate arsenic concentrations are not well understood. OBJECTIVES This study examined associations between preconception and prenatal exposure to arsenic violations in water, measured via residence in a county with an arsenic violation in a regulated PWS during pregnancy, and five birth outcomes: birth weight, gestational age at birth, preterm birth, small for gestational age (SGA), and large for gestational age (LGA). METHODS Data for arsenic violations in PWS, defined as concentrations exceeding 10 parts per billion, were obtained from the Safe Drinking Water Information System. Participants of the Environmental influences on Child Health Outcomes Cohort Study were matched to arsenic violations by time and location based on residential history data. Multivariable, mixed effects regression models were used to assess the relationship between preconception and prenatal exposure to arsenic violations in drinking water and birth outcomes. RESULTS Compared to unexposed infants, continuous exposure to arsenic from three months prior to conception through birth was associated with 88.8 g higher mean birth weight (95% CI: 8.2, 169.5), after adjusting for individual-level confounders. No statistically significant associations were observed between any preconception or prenatal violations exposure and gestational age at birth, preterm birth, SGA, or LGA. CONCLUSIONS Our study did not identify associations between preconception and prenatal arsenic exposure, defined by drinking water exceedances, and adverse birth outcomes. Exposure to arsenic violations in drinking water was associated with higher birth weight. Future studies would benefit from more precise geodata of water system service areas, direct household drinking water measurements, and exposure biomarkers.
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Affiliation(s)
- Jonathan V Lewis
- Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Emily A Knapp
- Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Shivani Bakre
- Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Aisha S Dickerson
- Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Theresa M Bastain
- Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA, USA
| | - Casper Bendixsen
- Marshfield Clinic Research Institute, Marshfield Clinic Health System, Marshfield, WI, USA
| | - Deborah H Bennett
- Department of Public Health Sciences, University of California Davis, Davis, CA, USA
| | - Carlos A Camargo
- Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | | | - Elena Colicino
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Institute for Exposomic Research, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Viren D'Sa
- Department of Pediatrics, Rhode Island Hospital, Providence, RI, USA
| | - Dana Dabelea
- Lifecourse Epidemiology of Adiposity and Diabetes (LEAD) Center, University of Colorado Anschutz Medical Campus, Denver, CO, USA
| | - Sean Deoni
- Bill and Melinda Gates Foundation, Seattle, WA, USA
| | - Anne L Dunlop
- Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA, USA
| | - Amy J Elliott
- Avera Research Institute, Sioux Falls, SD, USA; Department of Pediatrics, University of South Dakota School of Medicine, Vermillion, SD, USA
| | - Shohreh F Farzan
- Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA, USA
| | - Assiamira Ferrara
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA
| | - Rebecca C Fry
- Department of Environmental Sciences and Engineering, University of North Carolina Gillings School of Global Public Health, Chapel Hill, NC, USA
| | - Tina Hartert
- Departments of Medicine and Pediatrics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Caitlin G Howe
- Dartmouth College Geisel School of Medicine, Hanover, NH, USA
| | - Linda G Kahn
- Departments of Pediatrics and Population Health, NYU Grossman School of Medicine, New York, NY, USA
| | | | - Teng-Fei Ma
- Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI, USA
| | | | - Debra MacKenzie
- Community Environmental Health Program, University of New Mexico College of Pharmacy, Health Sciences Center, Albuquerque, NM, USA
| | - Luis E Maldonado
- Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA, USA
| | - Francheska M Merced-Nieves
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | | | - Anne E Nigra
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA
| | - Zhongzheng Niu
- Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA, USA
| | - Sara S Nozadi
- Community Environmental Health Program, College of Pharmacy, Health Sciences Center, Albuquerque, NM, USA
| | - Zorimar Rivera-Núñez
- Department of Biostatistics and Epidemiology, Rutgers School of Public Health, New Brunswick, NJ, USA
| | - Thomas G O'Connor
- Departments of Psychiatry, Neuroscience, Obstetrics and Gynecology, University of Rochester, Rochester, NY, USA
| | - Sarah Osmundson
- Department of OB/GYN, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Amy M Padula
- Department of Gynecology, Obstetrics and Reproductive Sciences, University of California San Francisco School of Medicine, San Francisco, CA, USA
| | - Alicia K Peterson
- Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA
| | - Allison R Sherris
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA, USA
| | - Anne Starling
- Department of Epidemiology, University of North Carolina Gillings School of Global Public Health, Chapel Hill, NC, USA
| | | | - Rosalind J Wright
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Institute for Exposomic Research, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Qi Zhao
- Department of Preventive Medicine, University of Tennessee Health Science Center College of Medicine, Memphis, TN, USA
| | - Amii M Kress
- Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA.
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Rychlik KA, Illingworth EJ, Sanchez IF, Attreed SE, Sinha P, Casin KM, Taube N, Loube J, Tasneen R, Kabir R, Nuermberger E, Mitzner W, Kohr MJ, Sillé FCM. Long-term effects of prenatal arsenic exposure from gestational day 9 to birth on lung, heart, and immune outcomes in the C57BL/6 mouse model. Toxicol Lett 2023; 383:17-32. [PMID: 37244563 PMCID: PMC10527152 DOI: 10.1016/j.toxlet.2023.05.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 04/21/2023] [Accepted: 05/22/2023] [Indexed: 05/29/2023]
Abstract
Prenatal arsenic exposure is a major public health concern, associated with altered birth outcomes and increased respiratory disease risk. However, characterization of the long-term effects of mid-pregnancy (second trimester) arsenic exposure on multiple organ systems is scant. This study aimed to characterize the long-term impact of mid-pregnancy inorganic arsenic exposure on the lung, heart, and immune system, including infectious disease response using the C57BL/6 mouse model. Mice were exposed from gestational day 9 till birth to either 0 or 1000 µg/L sodium (meta)arsenite in drinking water. Male and female offspring assessed at adulthood (10-12 weeks of age) did not show significant effects on recovery outcomes after ischemia reperfusion injury but did exhibit increased airway hyperresponsiveness compared to controls. Flow cytometric analysis revealed significantly greater total numbers of cells in arsenic-exposed lungs, lower MHCII expression in natural killer cells, and increased percentages of dendritic cell populations. Activated interstitial (IMs) and alveolar macrophages (AMs) isolated from arsenic-exposed male mice produced significantly less IFN-γ than controls. Conversely, activated AMs from arsenic-exposed females produced significantly more IFN-γ than controls. Although systemic cytokine levels were higher upon Mycobacterium tuberculosis (Mtb) infection in prenatally arsenic-exposed offspring there was no difference in lung Mtb burden compared to controls. This study highlights significant long-term impacts of prenatal arsenic exposure on lung and immune cell function. These effects may contribute to the elevated risk of respiratory diseases associated with prenatal arsenic exposure in epidemiology studies and point to the need for more research into mechanisms driving these maintained responses.
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Affiliation(s)
- Kristal A Rychlik
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA; Public Health Program, School of Exercise and Sport Science, University of Mary Hardin-Baylor, Belton, TX, USA
| | - Emily J Illingworth
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Ian F Sanchez
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Sarah E Attreed
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA; Foreign Animal Disease Research Unit, USDA/ARS Plum Island Animal Disease Center, Plum Island, CT, USA
| | - Prithvi Sinha
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Kevin M Casin
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Nicole Taube
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Jeff Loube
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Rokeya Tasneen
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Raihan Kabir
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Eric Nuermberger
- Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Wayne Mitzner
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Mark J Kohr
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Fenna C M Sillé
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA.
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Hui X, Sheikh Asadi AM, Fakhri Y, Mehri F, Limam I, Thai VN. Potential toxic elements in costal sediment of the Persian Gulf: a systematic review-meta-analysis, non-dietary risk assessment and ecological risk assessment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:64891-64903. [PMID: 37095211 DOI: 10.1007/s11356-023-26949-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 04/06/2023] [Indexed: 05/03/2023]
Abstract
Potential toxic element (PTE) contamination in the Persian Gulf has become an important health concern in recent decades. This investigation aimed to meta-analyses of potential toxic elements including lead (Pb), inorganic arsenic (As), cadmium (Cd), nickel (Ni), and mercury (Hg) in the coastal sediment of the Persian Gulf. In this study, an attempt was made to retrieve papers conducted on the concentration of PTE in the coastal sediment of the Persian Gulf by searching in international databases including Web of Science, Scopus, Embase, and PubMed. Meta-analysis concentration of PTE in the coastal sediment of the Persian Gulf was conducted using random effects model based on the country subgroup. Additionally, non-dietary risk assessment including non-carcinogenic and carcinogenic risks from ingestion, inhalation and dermal contact routes and ecological risk assessment was estimated. Seventy-eight papers with 81 data-reports (1650 sample size) were included in our meta-analysis. The rank order of heavy metals in coastal sediment of the Persian Gulf based on pooled concentration was Ni (65.44 mg/kg) > Pb (58.35 mg/kg) > As (23.78 mg/kg) > Cd (1.75 mg/kg) > Hg (0.77 mg/kg). The highest concentration of As, Cd, Pb, Ni, and Hg was observed in the coastal sediment of Saudi Arabia, Arab Emirates, Qatar, Iran, and Saudi Arabia, respectively. Although the Igeo index in coastal sediment of the Persian Gulf was in grade 1 (uncontaminated) and grade 2 (slightly contaminated) but total target hazard quotient (TTHQ) of adults and adolescent was higher than 1 value in Iran, Saudi Arabic, United Arab Emirates, and Qatar. Total cancer risk (TCR) for adults and adolescent due to As was higher than 1E-6 in Iran, United Arab Emirates, and Qatar but TCR for adolescents due to As was higher than 1E-6 in Saudi Arabic. Therefore, it is recommended to monitor the concentration of PTE and implementation of programs to reduce the emission of PTE from resources in the Persian Gulf.
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Affiliation(s)
- Xiaomei Hui
- College of Environmental Science and Engineering, Taiyuan University of Technology, Jinzhong, 030600, China
| | - Amir Mohammad Sheikh Asadi
- Institute IWAR, Chair of Environmental Analytics and Pollutants, Technical University of Darmstadt, Franziska-Braun-Straße 7, 64287, Darmstadt, Germany
| | - Yadolah Fakhri
- Food Health Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Fereshteh Mehri
- Nutrition Health Research Center, Center of Excellence for Occupational Health, Research Center for Health Sciences, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Intissar Limam
- Laboratory of Materials, Treatment and Analysis, National Institute of Research and Physicochemical Analysis; and High School for Science and Health Techniques of Tunis, University of Tunis, El Manar, Tunis, Tunisia
| | - Van Nam Thai
- HUTECH University, 475A, Dien Bien Phu, Ward 25, Binh Thanh District, Ho Chi Minh City, Vietnam.
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Fisher M, Marro L, Arbuckle TE, Potter BK, Little J, Weiler H, Morisset AS, Lanphear B, Oulhote Y, Braun JM, Kumarathasan P, Walker M, Borghese MM, Ashley-Martin J, Shutt R, Fraser WD. Association between toxic metals, vitamin D and preterm birth in the Maternal-Infant research on environmental chemicals study. Paediatr Perinat Epidemiol 2023. [PMID: 36864001 DOI: 10.1111/ppe.12962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
BACKGROUND Toxic metals, like lead, are risk factors for preterm birth (PTB), but few studies have examined low levels found in most Canadians. Vitamin D, which may have antioxidant activity, protects against PTB. OBJECTIVES In this study, we investigated the impact of toxic metals (lead, mercury, cadmium and arsenic) on PTB and examined if maternal plasma vitamin D concentrations modify these associations. METHODS We investigated whether concentrations of metals in whole blood measured in early and late pregnancy were associated with PTB (<37 weeks) and spontaneous PTB in 1851 live births from the Maternal-Infant Research on Environmental Chemicals Study using discrete time survival analysis. We also investigated whether the risk of PTB was modified by first-trimester plasma 25-hydroxyvitamin D (25OHD) concentrations. RESULTS Of 1851 live births, 6.1% (n = 113) were PTBs and 4.9% (n = 89) were spontaneous PTB. A 1 μg/dL increase in blood lead concentrations during pregnancy was associated with an increased risk of PTB (relative risk [RR] 1.48, 95% confidence interval [CI] 1.00, 2.20) and spontaneous PTB (RR 1.71, 95% CI 1.13, 2.60). The risk was higher in women with insufficient vitamin D concentrations (25OHD <50 nmol/L) for both PTB (RR 2.42, 95% CI 1.01, 5.79) and spontaneous PTB (RR 3.04, 95% CI 1.15, 8.04). However, an interaction on the additive scale was not present. Arsenic was associated with a higher risk of PTB (RR 1.10, 95% CI 1.02, 1.19) and spontaneous PTB (RR 1.11, 95% CI 1.03, 1.20) per 1 μg/L. CONCLUSIONS Gestational exposure to low levels of lead and arsenic may increase the risk of PTB and spontaneous PTB; individuals with insufficient vitamin D may be more susceptible to the adverse effects of lead. Given our relatively small number of cases, we encourage testing of this hypothesis in other cohorts, especially those with vitamin D-deficient populations.
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Affiliation(s)
- Mandy Fisher
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada.,University of Ottawa, School of Epidemiology and Public Health (SEPH), Ottawa, Ontario, Canada
| | - Leonora Marro
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada
| | - Tye E Arbuckle
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada
| | - Beth K Potter
- University of Ottawa, School of Epidemiology and Public Health (SEPH), Ottawa, Ontario, Canada
| | - Julian Little
- University of Ottawa, School of Epidemiology and Public Health (SEPH), Ottawa, Ontario, Canada
| | - Hope Weiler
- Nutrition Research Division, Health Products and Food Branch, Health Canada, Ottawa, Ontario, Canada
| | | | - Bruce Lanphear
- Simon Fraser University. Vancouver, British Columbia Canada, Vancouver, British Columbia, Canada
| | - Youssef Oulhote
- Department of Epidemiology and Biostatistics, School of Public Health and Health Sciences, University of Massachusetts Amherst, Boston, Massachusetts, USA
| | - Joseph M Braun
- Department of Epidemiology, Brown University, Providence, Rhode Island, USA
| | | | - Mark Walker
- The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Michael M Borghese
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada
| | - Jillian Ashley-Martin
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada
| | - Robin Shutt
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada
| | - William D Fraser
- Centre de Recherche du CHUS, and Department of Obstetrics and gynecology, University of Sherbrooke, Sherbrooke, Québec, Canada
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7
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Young HA, Kolivras KN, Krometis LAH, Marcillo CE, Gohlke JM. Examining the association between safe drinking water act violations and adverse birth outcomes in Virginia. ENVIRONMENTAL RESEARCH 2023; 218:114977. [PMID: 36463994 PMCID: PMC9901941 DOI: 10.1016/j.envres.2022.114977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 10/31/2022] [Accepted: 11/28/2022] [Indexed: 06/17/2023]
Abstract
In 1974, the United States established the Safe Drinking Water Act (SDWA) to protect consumers from potential exposure to drinking water contaminants associated with health risks. Each contaminant is assigned a health-based standard meant to reflect the maximum level at which an adverse human health outcome is unlikely; measurements beyond that level have greater potential to result in adverse health outcomes. Although there is extensive research on human health implications following water contaminant exposure, few studies have specifically examined associations between fetal health and municipal drinking water violations. Therefore, the objective of this study is to assess whether SDWA drinking water violations are associated with fetal health outcomes, including preterm birth (PTB), low birth weight (LBW), and term-low birth weight (tLBW), in the Commonwealth of Virginia. Singleton births (n = 665,984) occurring between 2007 and 2015 in Virginia were geocoded and assigned to a corresponding estimated water service area. Health-based (HB) and monitoring and reporting (MR) violations for 12 contaminants were acquired from the US EPA Safe Drinking Water Information System, with exposure defined at the approximate service area level to limit exposure misclassification. A logistic regression model for each birth outcome assessed potential relationships with SDWA violations. When examining the association between individual MR violations and birth outcomes, Nitrate-Nitrite (OR = 1.10; 95% CI = 1.02, 1.18, P = 0.01) was positively associated with PTB and the total coliform rule was negatively associated with tLBW (OR = 0.93; 95% CI = 0.87, 1.00, P = 0.04). These findings indicate that a lack of regular monitoring and reporting by water providers (resulting in monitoring and reporting violations) may be concealing health-based violations as these health concerns cannot be revealed without testing, suggesting a need for additional technical, managerial, and financial support to enable often-underfunded water systems to adhere to monitoring and reporting requirements meant to protect public health.
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Affiliation(s)
- Holly A Young
- Department of Geography, Virginia Tech, Blacksburg, United States.
| | | | - Leigh-Anne H Krometis
- Department of Biological Systems Engineering, Virginia Tech, Blacksburg, United States
| | - Cristina E Marcillo
- Department of Biological Systems Engineering, Virginia Tech, Blacksburg, United States
| | - Julia M Gohlke
- Department of Population Health Sciences, Virginia Tech, Blacksburg, United States
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8
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Daniali SS, Yazdi M, Heidari-Beni M, Taheri E, Zarean E, Goli P, Kelishadi R. Birth Size Outcomes in Relation to Maternal Blood Levels of Some Essential and Toxic Elements. Biol Trace Elem Res 2023; 201:4-13. [PMID: 35298828 DOI: 10.1007/s12011-022-03121-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 01/16/2022] [Indexed: 01/11/2023]
Abstract
Exposures to toxic trace elements and deficiencies of essential trace elements during pregnancy may impact fetal growth. This study was conducted to determine the association between maternal blood levels of essential elements including manganese (Mn), copper (Cu), and zinc (Zn) and toxic elements including arsenic (As), cadmium (Cd), and lead (Pb) at the first trimester with neonatal anthropometric parameters. This cross-sectional study was conducted in 2019-2020 in Isfahan, Iran. Overall, 263 mother-infant pairs were recruited in the first trimester of pregnancy. Maternal whole blood was collected, and essential and toxic elements were determined by mass spectrometry (ICP-MS)-based method. Birth size measurements were performed according to standardized protocols. Geometric means and standard deviations of maternal blood concentrations of Mn, Cu, Zn, As, Cd, and Pb were 3.94 ± 0.82, 5.22 ± 0.57, 7.67 ± 0.58, 2.21 ± 0.77, - 0.59 ± 0.98, and 3.23 ± 0.72 µg/l, respectively. Mean age of mothers was 29.94 ± 5.22 years. Thirty-one (12.1%) neonates were preterm. Maternal blood Pb levels were negatively correlated with birth weight (β = - 0.22 (CI 95%: - 0.38, - 0.05) p = 0.010) and marginally with birth head circumference (β = - 0.14(CI 95%: - 0.29, 0.02), P = 0.094) after adjustment for potential confounder variables. There was no significant association between Mn, Cu, Zn, As, Cd, and birth size measurements. Reverse association was found between maternal blood Pb levels and birth weight and birth head circumference. There is limited evidence related to the association between essential and toxic elements during pregnancy with birth size measurements and pregnancy disorders. More studies are suggested to assess of the effect of the trace elements and birth outcomes.
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Affiliation(s)
- Seyede Shahrbanoo Daniali
- Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Maryam Yazdi
- Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Motahar Heidari-Beni
- Department of Nutrition, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Ensiye Taheri
- Department of Environmental Health Engineering, Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Elaheh Zarean
- Department of Nutrition, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Obstetrics and Gynecology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parvin Goli
- Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Roya Kelishadi
- Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran.
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9
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Goswami R, Neog N, Bhagat C, Hdeib R, Mahlknecht J, Kumar M. Arsenic in the groundwater of the Upper Brahmaputra floodplain: Variability, health risks and potential impacts. CHEMOSPHERE 2022; 306:135621. [PMID: 35810873 DOI: 10.1016/j.chemosphere.2022.135621] [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: 02/28/2022] [Revised: 06/07/2022] [Accepted: 07/03/2022] [Indexed: 06/15/2023]
Abstract
The upper Brahmaputra floodplain (UBF) is highly enriched with geogenic contaminants, mostly the Arsenic (As), owing to its sensitive geomorphology, aquifer groundwater (GW) dynamics, huge sediment deposition along with natural and anthropogenic disturbance significantly accelerate the As leaching rate into the groundwater, leading to an increase the health risk. Concerning the above active processes in the Lakhimpur district of UBF, current work aims to investigate seasonal dynamics of As contamination and associated health hazard for local community. To carry out this study, 51 GW samples analyzed which reveal the seasonal variation in As concentrations with the minimum average concentration in the monsoon season (4.7 μg.L-1) and the maximum in the post-monsoon season (18.5 μg.L-1) with 50% of the samples exceeding permissible limits. The differences in the local geological conditions and the GW flow may contribute to the spatial variations in mean As concentration in the study area. Also, the active GW recharge process identified in post-monsoon season accelerates the As leaching in the area's aquifers. Further, results indicate higher As levels associated with a pH range of 6-7 favours As desorption from minerals under reducing conditions. The hazard index indicates that the children population has high carcinogenic risk compared to adult populations. Furthermore, the study highlights the social risk potential arising from public health crises due to As exposure. Overall, results indicate high As concentrations in region with moderate seasonal variability and demand a dire attention for long-term monitoring to provide sustainable water resources to safeguard the people at risk.
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Affiliation(s)
- Ritusmita Goswami
- Centre for Ecology Environment and Sustainable Development, Tata Institute of Social Sciences, Guwahati, 781013, Assam, India
| | - Nikita Neog
- Centre for Ecology Environment and Sustainable Development, Tata Institute of Social Sciences, Guwahati, 781013, Assam, India
| | - Chandrashekhar Bhagat
- Civil Engineering Discipline, Indian Institute of Technology Gandhinagar, Gujarat, 382355, India; Sustainability Cluster, School of Engineering, University of Petroleum and Energy Studies, Dehradun, 248007, Uttarakhand, India
| | - Rouya Hdeib
- College of Engineering, Applied Science University (ASU), Bahrain
| | - Jürgen Mahlknecht
- Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Campus Monterey, Monterrey, 64849, Nuevo Leon, Mexico
| | - Manish Kumar
- Sustainability Cluster, School of Engineering, University of Petroleum and Energy Studies, Dehradun, 248007, Uttarakhand, India.
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10
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Figueroa-Garduño I, Escamilla-Núñez C, Barraza-Villarreal A, Hernández-Cadena L, Onofre-Pardo EN, Romieu I. Docosahexaenoic Acid Effect on Prenatal Exposure to Arsenic and Atopic Dermatitis in Mexican Preschoolers. Biol Trace Elem Res 2022; 201:3152-3161. [PMID: 36074245 DOI: 10.1007/s12011-022-03411-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 08/31/2022] [Indexed: 11/28/2022]
Abstract
Childhood atopic dermatitis (AD) is a chronic and recurrent health problem that involves multiple factors, particularly immunological and environmental. We evaluated the impact of docosahexaenoic acid (DHA) supplementation on prenatal arsenic exposure on the risk of atopic dermatitis in preschool children as part of the POSGRAD (Prenatal Omega-3 fatty acid Supplements, GRowth, And Development) clinical trial study in the city of Morelos, Mexico. Our study population included 300 healthy mother-child pairs. Of these, 146 were in the placebo group and 154 in the supplement group. Information on family history, health, and other variables was obtained through standardized questionnaires used during follow-up. Prenatal exposure to arsenic concentrations, which appear in maternal urine, was measured by inductively coupled plasma optical emission spectrometry. To assess the effect of prenatal arsenic exposure on AD risk, we ran a generalized estimating equation model for longitudinal data, adjusting for potential confounders, and testing for interaction by omega-3 fatty acid supplementation during pregnancy. The mean and SD (standard deviation) of arsenic concentration during pregnancy was 0.06 mg/L, SD (0.04 mg/L). We found a marginally significant association between prenatal arsenic exposure and AD (OR = 1.12, 95% CI: 0.99, 1.26); however, DHA supplementation during pregnancy modified the effect of arsenic on AD risk (p < 0.05). The results of this study strengthen the evidence that arsenic exposure during pregnancy increases the risk of atopic dermatitis early in life. However, supplementation with omega-e fatty acids during pregnancy could modify this association.
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Affiliation(s)
- Ivan Figueroa-Garduño
- Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Morelos, Cuernavaca, México
| | - Consuelo Escamilla-Núñez
- Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Morelos, Cuernavaca, México.
| | - Albino Barraza-Villarreal
- Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Morelos, Cuernavaca, México
| | - Leticia Hernández-Cadena
- Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Morelos, Cuernavaca, México
| | - Erika Noelia Onofre-Pardo
- Departamento de Ingeniería en Sistemas Ambientales, Instituto Politécnico Nacional: Escuela Nacional de Ciencias Biológicas, Ciudad de Mexico, México
| | - Isabelle Romieu
- Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Morelos, Cuernavaca, México
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11
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Dutta S, Gorain B, Choudhury H, Roychoudhury S, Sengupta P. Environmental and occupational exposure of metals and female reproductive health. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:62067-62092. [PMID: 34558053 DOI: 10.1007/s11356-021-16581-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Accepted: 09/13/2021] [Indexed: 06/13/2023]
Abstract
Untainted environment promotes health, but the last few decades experienced steep upsurge in environmental contaminants posing detrimental physiological impact. The responsible factors mainly include the exponential growth of human population, havoc rise in industrialization, poorly planned urbanization, and slapdash environment management. Environmental degradation can increase the likelihood of human exposure to heavy metals, resulting in health consequences such as reproductive problems. As a result, research into metal-induced causes of reproductive impairment at the genetic, epigenetic, and biochemical levels must be strengthened further. These metals impact upon the female reproduction at all strata of its regulation and functions, be it development, maturation, or endocrine functions, and are linked to an increase in the causes of infertility in women. Chronic exposures to the heavy metals may lead to breast cancer, endometriosis, endometrial cancer, menstrual disorders, and spontaneous abortions, as well as pre-term deliveries, stillbirths. For example, endometriosis, endometrial cancer, and spontaneous abortions are all caused by the metalloestrogen cadmium (Cd); lead (Pb) levels over a certain threshold can cause spontaneous abortion and have a teratogenic impact; toxic amounts of mercury (Hg) have an influence on the menstrual cycle, which can lead to infertility. Impact of environmental exposure to heavy metals on female fertility is therefore a well-known fact. Thus, the underlying mechanisms must be explained and periodically updated, given the growing evidence on the influence of increasing environmental heavy metal load on female fertility. The purpose of this review is to give a concise overview of how heavy metal affects female reproductive health.
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Affiliation(s)
- Sulagna Dutta
- Department of Oral Biology and Biomedical Sciences, Faculty of Dentistry, MAHSA University, Jenjarom, Malaysia
| | - Bapi Gorain
- School of Pharmacy, Faculty of Health and Medical Sciences, Taylor's University, Subang Jaya, Malaysia
| | - Hira Choudhury
- School of Pharmacy, International Medical University, Kuala Lumpur, Malaysia
| | | | - Pallav Sengupta
- Department of Physiology, Faculty of Medicine, Bioscience and Nursing, MAHSA University, Jenjarom, Malaysia.
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12
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Bulka CM, Scannell Bryan M, Lombard MA, Bartell SM, Jones DK, Bradley PM, Vieira VM, Silverman DT, Focazio M, Toccalino PL, Daniel J, Backer LC, Ayotte JD, Gribble MO, Argos M. Arsenic in private well water and birth outcomes in the United States. ENVIRONMENT INTERNATIONAL 2022; 163:107176. [PMID: 35349912 PMCID: PMC9052362 DOI: 10.1016/j.envint.2022.107176] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 03/07/2022] [Accepted: 03/08/2022] [Indexed: 05/03/2023]
Abstract
BACKGROUND Prenatal exposure to drinking water with arsenic concentrations >50 μg/L is associated with adverse birth outcomes, with inconclusive evidence for concentrations ≤50 μg/L. In a collaborative effort by public health experts, hydrologists, and geologists, we used published machine learning model estimates to characterize arsenic concentrations in private wells-federally unregulated for drinking water contaminants-and evaluated associations with birth outcomes throughout the conterminous U.S. METHODS Using several machine learning models, including boosted regression trees (BRT) and random forest classification (RFC), developed from measured groundwater arsenic concentrations of ∼20,000 private wells, we characterized the probability that arsenic concentrations occurred within specific ranges in groundwater. Probabilistic model estimates and private well usage data were linked by county to all live birth certificates from 2016 (n = 3.6 million). We evaluated associations with gestational age and term birth weight using mixed-effects models, adjusted for potential confounders and incorporated random intercepts for spatial clustering. RESULTS We generally observed inverse associations with term birth weight. For instance, when using BRT estimates, a 10-percentage point increase in the probability that private well arsenic concentrations exceeded 5 μg/L was associated with a -1.83 g (95% CI: -3.30, -0.38) lower term birth weight after adjusting for covariates. Similarly, a 10-percentage point increase in the probability that private well arsenic concentrations exceeded 10 μg/L was associated with a -2.79 g (95% CI: -4.99, -0.58) lower term birth weight. Associations with gestational age were null. CONCLUSION In this largest epidemiologic study of arsenic and birth outcomes to date, we did not observe associations of modeled arsenic estimates in private wells with gestational age and found modest inverse associations with term birth weight. Study limitations may have obscured true associations, including measurement error stemming from a lack of individual-level information on primary water sources, water arsenic concentrations, and water consumption patterns.
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Affiliation(s)
- Catherine M Bulka
- Department of Environmental Sciences and Engineering, University of North Carolina, 135 Dauer Drive, Chapel Hill, NC 27599, USA.
| | - Molly Scannell Bryan
- Institute for Minority Health Research, University of Illinois at Chicago, 1819 W. Polk Street, Chicago, IL 60612, USA.
| | - Melissa A Lombard
- U.S. Geological Survey, New England Water Science Center, 331 Commerce Way, Pembroke, NH 03275, USA.
| | - Scott M Bartell
- Department of Environmental and Occupational Health, University of California, 653 E. Peltason Drive, Irvine, CA 92697, USA; Department of Statistics, University of California, Bren Hall 2019, Irvine, CA 92697, USA.
| | - Daniel K Jones
- U.S. Geological Survey, Utah Water Science Center, 2329 West Orton Circle, West Valley City, UT 84119, USA.
| | - Paul M Bradley
- U.S. Geological Survey, South Atlantic Water Science Center, 720 Gracern Rd, Columbia, SC 29210, USA.
| | - Veronica M Vieira
- Department of Environmental and Occupational Health, University of California, 653 E. Peltason Drive, Irvine, CA 92697, USA.
| | - Debra T Silverman
- Occupational and Environmental Epidemiology Branch, National Cancer Institute, 9609 Medical Center Drive, Rockville, MD 20850, USA.
| | - Michael Focazio
- U.S. Geological Survey, National Center, 12201 Sunrise Valley Dr, Reston, VA 20192, USA.
| | - Patricia L Toccalino
- U.S. Geological Survey, Northwest-Pacific Region, 2130 SW 5th Ave, Portland, OR 97201, USA.
| | - Johnni Daniel
- National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA 30341, USA.
| | - Lorraine C Backer
- National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA 30341, USA.
| | - Joseph D Ayotte
- U.S. Geological Survey, New England Water Science Center, 331 Commerce Way, Pembroke, NH 03275, USA.
| | - Matthew O Gribble
- Department of Epidemiology, University of Alabama at Birmingham, 217G Ryals Public Health Building, 1665 University Boulevard, Birmingham AL 35294, USA.
| | - Maria Argos
- Division of Epidemiology and Biostatistics, School of Public Health, University of Illinois at Chicago, 1603 West Taylor Street, Office 878A, Chicago, IL 60612, USA.
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13
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Richter F, Kloster S, Wodschow K, Hansen B, Schullehner J, Kristiansen SM, Petersen MM, Strandberg-Larsen K, Ersbøll AK. Maternal exposure to arsenic in drinking water and risk of congenital heart disease in the offspring. ENVIRONMENT INTERNATIONAL 2022; 160:107051. [PMID: 34942407 DOI: 10.1016/j.envint.2021.107051] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 11/11/2021] [Accepted: 12/15/2021] [Indexed: 06/14/2023]
Abstract
INTRODUCTION Prenatal exposure to arsenic is suspected to impair fetal health, including congenital malformations. Few studies investigated an association between maternal exposure to arsenic and congenital heart disease. OBJECTIVE To examine the association between maternal exposure to arsenic through drinking water and congenital heart disease among offspring. METHODS This nationwide cohort study included all liveborn children in Denmark, 1997-2014. Maternal addresses at fetal age 4 weeks were linked to drinking water supply areas. Exposure was arsenic concentration in drinking water in first trimester in four categories (<0.5 μg/L, 0.5-0.9 μg/L, 1.0-4.9 μg/L, ≥5.0 μg/L). Outcomes were defined as congenital heart disease diagnosed within the first year of life, with sub-categorization of severe, septal defects and valvular heart defect. Associations between arsenic levels and congenital heart disease were analysed using logistic regression, presented as odds ratios (OR) with 95% confidence interval (CI), and adjusted for year of birth, mother's educational level and ethnicity. RESULTS A total of 1,042,413 liveborn children were included of whom 1.0% had a congenital heart disease. The OR of congenital heart disease was higher among children exposed to all levels of arsenic above 0.5 μg/L; the OR was 1.13 (95% CI: 1.08-1.19) for exposure of 0.5-0.9 μg/L, 1.33 (95% CI: 1.27-1.39) for 1.0-4.9 μg/L and 1.42 (95% CI: 1.24-1.63) for ≥5.0 μg/L. Similar associations were observed for congenital septal defects. The OR was also higher for severe congenital heart disease but at the same level among all exposure levels ≥0.5 μg/L. The OR of congenital valvular heart defects was only higher among children with maternal exposure to arsenic in drinking water ≥5.0 μg/L. The associations were similar for boys and girls. CONCLUSION The findings indicate that maternal exposure to arsenic in drinking water even at low concentrations (i.e., 0.5-0.9 μg/L) increased the risk of congenital heart disease in the offspring.
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Affiliation(s)
- Frida Richter
- National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
| | - Stine Kloster
- National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
| | - Kirstine Wodschow
- National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
| | - Birgitte Hansen
- Geological Survey of Denmark and Greenland, GEUS, Aarhus, Denmark
| | - Jörg Schullehner
- Geological Survey of Denmark and Greenland, GEUS, Aarhus, Denmark; Department of Public Health, Research Unit for Environment, Work and Health, Aarhus University, Aarhus, Denmark
| | | | | | | | - Annette Kjær Ersbøll
- National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark.
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14
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Yu S, Lin T, Nie D, Zhang Y, Sun Z, Zhang Q, Wang C, Xiong M, Fan Z, Huang F, Xu N, Liu H, Yu G, Zhang H, Shi P, Xu J, Xuan L, Guo Z, Wu M, Han L, Xiong Y, Sun J, Wang Y, Liu Q. Dynamic assessment of measurable residual disease in favorable-risk acute myeloid leukemia in first remission, treatment, and outcomes. Blood Cancer J 2021; 11:195. [PMID: 34873148 PMCID: PMC8648754 DOI: 10.1038/s41408-021-00591-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 11/17/2021] [Accepted: 11/17/2021] [Indexed: 11/27/2022] Open
Abstract
We aimed to investigate outcomes of different post-remission treatment (PRT) choices based on dynamic measurable residual disease (MRD) by multiparameter flow cytometry in favorable-risk AML (FR-AML). Four hundred and three younger patients with FR-AML in first complete remission (CR1) were enrolled in this registry-based cohort study, including 173 who received chemotherapy (CMT), 92 autologous stem cell transplantation (auto-SCT), and 138 allogeneic SCT (allo-SCT). The primary endpoint was the 5-year overall survival (OS). Subgroup analyses were performed based on dynamic MRD after the 1st, 2nd, and 3rd courses of chemotherapy. In subgroups of patients with negative MRD after 1 or 2 course of chemotherapy, comparable OS was observed among the CMT, auto-SCT, and allo-SCT groups (p = 0.340; p = 0.627, respectively). But CMT and auto-SCT had better graft-versus-host-disease-free, relapse-free survival (GRFS) than allo-SCT in both subgroups. For patients with negative MRD after three courses of chemotherapy, allo-SCT had better disease-free-survival than CMT (p = 0.009). However, OS was comparable among the three groups (p = 0.656). For patients with persistently positive MRD after 3 courses of chemotherapy or recurrent MRD, allo-SCT had better OS than CMT and auto-SCT (p = 0.011; p = 0.029, respectively). Dynamic MRD might improve therapy stratification and optimize PRT selection for FR-AML in CR1.
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Affiliation(s)
- Sijian Yu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Tong Lin
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Danian Nie
- Department of Hematology, Sun Yat-Sen Memorial Hospital, Guangzhou, China
| | - Yu Zhang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhiqiang Sun
- Department of Hematology, Shenzhen Hospital of Southern Medical University, Shenzhen, China
| | - Qing Zhang
- Department of Hematology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Caixia Wang
- Department of Hematology, Guangzhou First People's Hospital, Guangzhou, China
| | - Mujun Xiong
- Department of Hematology, The First People's Hospital of Chenzhou, Chenzhou, China
| | - Zhiping Fan
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Fen Huang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Na Xu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Hui Liu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Guopan Yu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Hongyu Zhang
- Department of Hematology, Shenzhen Hospital of Peking University, Shenzhen, China
| | - Pengcheng Shi
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jun Xu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Li Xuan
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Ziwen Guo
- Department of Hematology, Zhongshan People's Hospital, Zhongshan, China
| | - Meiqing Wu
- Department of Hematology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Lijie Han
- Department of Hematology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yiying Xiong
- Department of Hematology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jing Sun
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yu Wang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing, China.
| | - Qifa Liu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China.
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15
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Bundschuh J, Schneider J, Alam MA, Niazi NK, Herath I, Parvez F, Tomaszewska B, Guilherme LRG, Maity JP, López DL, Cirelli AF, Pérez-Carrera A, Morales-Simfors N, Alarcón-Herrera MT, Baisch P, Mohan D, Mukherjee A. Seven potential sources of arsenic pollution in Latin America and their environmental and health impacts. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 780:146274. [PMID: 34030289 DOI: 10.1016/j.scitotenv.2021.146274] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 02/25/2021] [Accepted: 02/28/2021] [Indexed: 06/12/2023]
Abstract
This review presents a holistic overview of the occurrence, mobilization, and pathways of arsenic (As) from predominantly geogenic sources into different near-surface environmental compartments, together with the respective reported or potential impacts on human health in Latin America. The main sources and pathways of As pollution in this region include: (i) volcanism and geothermalism: (a) volcanic rocks, fluids (e.g., gases) and ash, including large-scale transport of the latter through different mechanisms, (b) geothermal fluids and their exploitation; (ii) natural lixiviation and accelerated mobilization from (mostly sulfidic) metal ore deposits by mining and related activities; (iii) coal deposits and their exploitation; (iv) hydrocarbon reservoirs and co-produced water during exploitation; (v) solute and sediment transport through rivers to the sea; (vi) atmospheric As (dust and aerosol); and (vii) As exposure through geophagy and involuntary ingestion. The two most important and well-recognized sources and mechanisms for As release into the Latin American population's environments are: (i) volcanism and geothermalism, and (ii) strongly accelerated As release from geogenic sources by mining and related activities. Several new analyses from As-endemic areas of Latin America emphasize that As-related mortality and morbidity continue to rise even after decadal efforts towards lowering As exposure. Several public health regulatory institutions have classified As and its compounds as carcinogenic chemicals, as As uptake can affect several organ systems, viz. dermal, gastrointestinal, peptic, neurological, respiratory, reproductive, following exposure. Accordingly, ingesting large amounts of As can damage the stomach, kidneys, liver, heart, and nervous system; and, in severe cases, may cause death. Moreover, breathing air with high As levels can cause lung damage, shortness of breath, chest pain, and cough. Further, As compounds, being corrosive, can also cause skin lesions or damage eyes, and long-term exposure to As can lead to cancer development in several organs.
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Affiliation(s)
- Jochen Bundschuh
- UNESCO Chair on Groundwater Arsenic within the 2030 Agenda for Sustainable Development, University of Southern Queensland, West Street, Toowoomba 4350, Queensland, Australia.
| | - Jerusa Schneider
- Department of Geology and Natural Resources, Institute of Geosciences, University of Campinas, 13083-855 Campinas, SP, Brazil; Faculty of Agricultural Sciences, Federal University of Grande Dourados, João Rosa Góes St., 1761, Dourados, Mato Grosso do Sul, 79804-970, Brazil
| | - Mohammad Ayaz Alam
- Departamento de Geología, Facultad de Ingeniería, Universidad de Atacama, Avenida Copayapu 485, Copiapó, Región de Atacama, Chile
| | - Nabeel Khan Niazi
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan
| | - Indika Herath
- UNESCO Chair on Groundwater Arsenic within the 2030 Agenda for Sustainable Development, University of Southern Queensland, West Street, Toowoomba 4350, Queensland, Australia
| | - Faruque Parvez
- Department of Environmental Health Sciences, Columbia University, 60 Haven Ave, B-1, New York, NY 10032, USA
| | - Barbara Tomaszewska
- AGH University of Science and Technology, Mickiewicza 30 Av., 30-059 Kraków, Poland
| | | | - Jyoti Prakash Maity
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County 62102, Taiwan
| | - Dina L López
- Department of Geological Sciences, Ohio University, 316 Clippinger Laboratories, Athens, OH, USA
| | - Alicia Fernández Cirelli
- University of Buenos Aires, Faculty of Veterinary Sciences, Instituto de Investigaciones en Producción Animal (UBA-CONICET), Centro de Estudios, Transdiciplinarios del Agua (UBA), Av. Chorroarín 280, CABA C1427CWO, Argentina
| | - Alejo Pérez-Carrera
- University of Buenos Aires, Faculty of Veterinary Sciences, Centro de Estudios Transdiciplinarios del Agua (UBA), Instituto de Investigaciones en Producción Animal (UBA-CONICET), Cátedra de Química Orgánica de Biomoléculas, Av. Chorroarín 280, CABA C1427CWO, Argentina
| | - Nury Morales-Simfors
- UNESCO Chair on Groundwater Arsenic within the 2030 Agenda for Sustainable Development, University of Southern Queensland, West Street, Toowoomba 4350, Queensland, Australia; RISE Research Institutes of Sweden, Division ICT-RISE SICS East, Linköping SE-581.83, Sweden
| | - Maria Teresa Alarcón-Herrera
- Departamento de Ingeniería Sustentable, Centro de Investigación en Materiales Avanzados SC Unidad Durango, C. CIMAV # 110, Ejido Arroyo Seco, Durango, Dgo., Mexico
| | - Paulo Baisch
- Laboratório de Oceanografia Geológica, Instituto de Oceanografia, Universidade Federal do Rio Grande (FURG), Campus Carreiros, CP 474, CEP 96203-900 Rio Grande, RS, Brazil
| | - Dinesh Mohan
- UNESCO Chair on Groundwater Arsenic within the 2030 Agenda for Sustainable Development, University of Southern Queensland, West Street, Toowoomba 4350, Queensland, Australia; School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Abhijit Mukherjee
- Department of Geology and Geophysics, Indian Institute of Technology (IIT), Kharagpur, West Bengal 721302, India
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16
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Orisakwe OE. Crude oil and public health issues in Niger Delta, Nigeria: Much ado about the inevitable. ENVIRONMENTAL RESEARCH 2021; 194:110725. [PMID: 33428909 DOI: 10.1016/j.envres.2021.110725] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 01/01/2021] [Accepted: 01/02/2021] [Indexed: 06/12/2023]
Abstract
The importance of crude oil has come at a great cost. In many developing economies of the world, it can be described as the bitter-sweet crude for its double-edged impacts on the welfare, wellness and wellness of the people. Agitations and restiveness remain characteristic features of Niger Delta following claims of exploitation and neglect of the local population by the multinationals. Literature on the environmental and public health impacts of crude oil was searched from relevant databases such as google scholar, Science Direct, Scopus and PubMed. This paper is a translational scientific and toxicological insight on what should be done by the major players rather than casting unending aspersions. Since living near oil spills and crude oil production sites is an environmental stressor occasioned by exposure to both chemical pollutants and physical menace that are all detrimental to health, cumulative risk assessment CRA is proposed as a viable approach for a comprehensive understanding of the size of this problem. Multinational oil companies should support development of Environmental Medicine Research which will in turn generate data on both how to harness the natural resources to combat the public health issues associated with oil exploration and the mitigation and remediation of the environment. This endeavor will create a waste-to-wealth program that will pacify the restiveness in oil exploring communities. It will be interesting to know that in the same environment that breeds the elephant-in-the-parlor lies the natural antidotes to check-mate the public health malady.
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Affiliation(s)
- Orish Ebere Orisakwe
- World Bank Africa Centre of Excellence in Public Health and Toxicological Research (PUTOR), University of Port Harcourt, PMB,5323, Port Harcourt, Rivers State, Nigeria.
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Khanam R, Kumar I, Oladapo-Shittu O, Twose C, Islam ASMDA, Biswal SS, Raqib R, Baqui AH. Prenatal Environmental Metal Exposure and Preterm Birth: A Scoping Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18020573. [PMID: 33445519 PMCID: PMC7827269 DOI: 10.3390/ijerph18020573] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 12/29/2020] [Accepted: 01/06/2021] [Indexed: 02/06/2023]
Abstract
Preterm birth (PTB) and its complications are the leading causes of under-five year old child deaths, accounting worldwide for an estimated one million deaths annually. The etiology of PTB is complex and multifactorial. Exposures to environmental metals or metalloids are pervasive and prenatal exposures to them are considered important in the etiology of PTB. We conducted a scoping review to determine the extent of prenatal exposures to four metals/metalloids (lead, mercury, cadmium and arsenic) and their association with PTB. We reviewed original research studies published in PubMed, Embase, the Cochrane Library, Scopus, POPLINE and the WHO regional indexes from 2000 to 2019; 36 articles were retained for full text review. We documented a higher incidence of PTB with lead and cadmium exposures. The findings for mercury and arsenic exposures were inconclusive. Metal-induced oxidative stress in the placenta, epigenetic modification, inflammation, and endocrine disruptions are the most common pathways through which heavy metals and metalloids affect placental functions leading to PTB. Most of the studies were from the high-income countries, reflecting the need for additional data from low-middle-income countries, where PTB rates are higher and prenatal exposure to metals are likely to be just as high, if not higher.
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Affiliation(s)
- Rasheda Khanam
- International Center for Maternal and Newborn Health, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA; (R.K.); (O.O.-S.)
| | - Ishaan Kumar
- Department of Chemistry, Georgetown University, Washington, DC 20057, USA;
| | - Opeyemi Oladapo-Shittu
- International Center for Maternal and Newborn Health, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA; (R.K.); (O.O.-S.)
| | - Claire Twose
- Welch Medical Library, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA;
| | | | - Shyam S. Biswal
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA;
| | - Rubhana Raqib
- International Center for Diarrheal Disease Research, Mohakhali, Dhaka 1212, Bangladesh;
| | - Abdullah H. Baqui
- International Center for Maternal and Newborn Health, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA; (R.K.); (O.O.-S.)
- Correspondence: ; Tel.: +1-410-955-3850
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Arbuscular Mycorrhizal Fungi as Potential Agents in Ameliorating Heavy Metal Stress in Plants. AGRONOMY-BASEL 2020. [DOI: 10.3390/agronomy10060815] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Heavy metal accumulation in plants is a severe environmental problem, rising at an expeditious rate. Heavy metals such as cadmium, arsenic, mercury and lead are known environmental pollutants that exert noxious effects on the morpho-physiological and biological attributes of a plant. Due to their mobile nature, they have become an extended part of the food chain and affect human health. Arbuscular mycorrhizal fungi ameliorate metal toxicity as they intensify the plant’s ability to tolerate metal stress. Mycorrhizal fungi have vesicles, which are analogous to fungal vacuoles and accumulate massive amount of heavy metals in them. With the help of a pervasive hyphal network, arbuscular mycorrhizal fungi help in the uptake of water and nutrients, thereby abating the use of chemical fertilizers on the plants. They also promote resistance parameters in the plants, secrete a glycoprotein named glomalin that reduces the metal uptake in plants by forming glycoprotein–metal complexes, and improve the quality of the soil. They also assist plants in phytoremediation by increasing the absorptive area, increase the antioxidant response, chelate heavy metals and stimulate genes for protein synthesis that reduce the damage caused by free radicals. The current manuscript focuses on the uptake of heavy metals, accumulation, and arbuscular mycorrhizal impact in ameliorating heavy metal stress in plants.
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Tinkelman NE, Spratlen MJ, Domingo-Relloso A, Tellez-Plaza M, Grau-Perez M, Francesconi KA, Goessler W, Howard BV, MacCluer J, North KE, Umans JG, Factor-Litvak P, Cole SA, Navas-Acien A. Associations of maternal arsenic exposure with adult fasting glucose and insulin resistance in the Strong Heart Study and Strong Heart Family Study. ENVIRONMENT INTERNATIONAL 2020; 137:105531. [PMID: 32059145 PMCID: PMC7521956 DOI: 10.1016/j.envint.2020.105531] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 01/19/2020] [Accepted: 01/25/2020] [Indexed: 05/06/2023]
Abstract
Experimental and prospective epidemiologic evidence suggest that arsenic exposure has diabetogenic effects. However, little is known about how family exposure to arsenic may affect risk for type 2 diabetes (T2D)-related outcomes in adulthood. We evaluated the association of both maternal and offspring arsenic exposure with fasting glucose and incident T2D in 466 participants of the Strong Heart Family Study. Total arsenic (ΣAs) exposure was calculated as the sum of inorganic arsenic (iAs) and methylated (MMA, DMA) arsenic species in maternal and offspring baseline urine. Median maternal ΣAs at baseline (1989-91) was 7.6 µg/g creatinine, while median offspring ΣAs at baseline (2001-03) was 4.5 µg/g creatinine. Median offspring glucose in 2006-2009 was 94 mg/dL, and 79 participants developed T2D. The fully adjusted mean difference (95% CI) for offspring glucose was 4.40 (-3.46, 12.26) mg/dL per IQR increase in maternal ΣAs vs. 2.72 (-4.91 to 10.34) mg/dL per IQR increase in offspring ΣAs. The fully adjusted odds ratio (95%CI) of incident T2D was 1.35 (1.07, 1.69) for an IQR increase in maternal ΣAs and 1.15 (0.92, 1.43) for offspring ΣAs. The association of maternal ΣAs with T2D outcomes were attenuated with adjustment for offspring adiposity markers. Familial exposure to arsenic, as measured in mothers 15-20 years before offspring follow-up, is associated with increased odds of offspring T2D. More research is needed to confirm findings and better understand the importance of family exposure to arsenic in adult-onset diabetes.
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Affiliation(s)
- Naomi E Tinkelman
- Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY, USA; Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA.
| | - Miranda Jones Spratlen
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA
| | - Arce Domingo-Relloso
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA
| | - Maria Tellez-Plaza
- National Center of Epidemiology, Institute of Health Carlos III, Madrid, Spain
| | - Maria Grau-Perez
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA
| | | | | | - Barbara V Howard
- Georgetown-Howard Universities Center for Clinical and Translational Science, Washington, DC, USA; MedStar Health Research Institute, Hyattsville, MD, USA
| | - Jean MacCluer
- Population Health Program, Texas Biomedical Research Institute, San Antonio, TX, USA
| | - Kari E North
- Department of Epidemiology, University of North Carolina Gillings School of Public Health, Chapel Hill, NC, USA
| | - Jason G Umans
- Georgetown-Howard Universities Center for Clinical and Translational Science, Washington, DC, USA; MedStar Health Research Institute, Hyattsville, MD, USA
| | - Pam Factor-Litvak
- Department of Epidemiology, Columbia University Mailman School of Public Health, New York, NY, USA
| | - Shelley A Cole
- Department of Epidemiology, University of North Carolina Gillings School of Public Health, Chapel Hill, NC, USA
| | - Ana Navas-Acien
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA.
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Nyanza EC, Dewey D, Manyama M, Martin JW, Hatfield J, Bernier FP. Maternal exposure to arsenic and mercury and associated risk of adverse birth outcomes in small-scale gold mining communities in Northern Tanzania. ENVIRONMENT INTERNATIONAL 2020; 137:105450. [PMID: 32014788 DOI: 10.1016/j.envint.2019.105450] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 12/22/2019] [Accepted: 12/25/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Exposure to arsenic and mercury in artisanal and small-scale gold mining (ASGM) communities is an issue that predominantly affects low and middle-income countries. Large epidemiology studies in these communities are rare, and the impact of such exposures on reproductive outcomes are not well understood. OBJECTIVE To examine associations between prenatal maternal arsenic and mercury exposure and birth outcomes in both ASGM and non-ASGM communities in Northern Tanzania. METHODS This longitudinal prospective study included 961 women (ASGM = 788, non-ASGM = 173) of the original cohort of 1056 who were followed until a pregnancy outcome was registered. Maternal spot urine samples and dried blood spots were used to measure total arsenic (T-As) and total mercury (T-Hg) in the second trimester of pregnancy. Data on adverse birth outcomes were collected in 5 categories: spontaneous abortion, stillbirth, preterm birth, low birth weight, and visible congenital anomalies. Mann-Whitney U-tests were used to test for differences between median T-As and T-Hg by area of residence. Logistic regression models were used to estimate the odds of stillbirth and visible congenital anomalies given maternal T-As and T-Hg levels. Modified Poisson regressions were used to estimate relative risk ratios between maternal T-As and T-Hg levels and composite adverse birth outcome, spontaneous abortion, low birth weight, and preterm birth. RESULTS Statistically significant differences were found in median T-As (9.6 vs. 6.3 µg/L, Mann-Whitney U-tests, Z = -3.50, p < 0.001) and median T-Hg blood concentrations (1.2 vs. 0.70 µg/L, Z = -9.88, p-value < 0.001) between women living in ASGM and non-ASGM areas respectively. In ASGM areas, the adjusted relative risk (aRR) of a composite adverse birth outcome increased with increasing T-As (aRR 1.23, 95%CI: 1.14-1.33, p < 0.0001) and T-Hg (aRR 1.17, 95%CI: 1.1-1.25, p < 0.0001) exposure. Spontaneous abortion (aRR 1.53, 95%CI: 1.28-1.83), stillbirth (adjusted odds ratio (aOR) 1.97, 95%CI: 1.45-2.66) and preterm birth (1.17, 95%CI: 1.01-1.36) were significantly associated with elevated T-As, whereas elevated T-Hg was significantly associated with stillbirth (aOR 2.49, 95%CI: 1.88-3.29) and visible congenital anomalies (aOR 2.24, 95%CI: 1.3-3.87). CONCLUSION Over half (54.7%) of women in ASGM areas of Northern Tanzania had adverse birth outcomes and the risk of adverse birth outcomes was significantly associated with increased prenatal exposure to arsenic and mercury.
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Affiliation(s)
- Elias C Nyanza
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, 3280 Hospital Drive NW, Calgary, AB T2N 4Z6, Canada; Department of Environmental, Occupational Health and GIS, School of Public Health, Catholic University of Health and Allied Sciences, P.O. Box 1464, Bugando, Mwanza, Tanzania; Alberta Children's Hospital Research Institute, University of Calgary, Room 294, Heritage Medical Research Building, 3330 Hospital Drive, NW, Calgary, AB T2N 4N1, Canada
| | - Deborah Dewey
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, 3280 Hospital Drive NW, Calgary, AB T2N 4Z6, Canada; Alberta Children's Hospital Research Institute, University of Calgary, Room 294, Heritage Medical Research Building, 3330 Hospital Drive, NW, Calgary, AB T2N 4N1, Canada; Department of Pediatrics, Cumming School of Medicine, University of Calgary, #397 Child Development Centre, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
| | - Mange Manyama
- Division of Medical Education, Weill-Cornell Medicine-Qatar, Doha, Qatar
| | - Jonathan W Martin
- Science for Life Laboratory, Department of Environmental Sciences and Analytical Chemistry, Stockholm University, Stockholm 114 18, Sweden
| | - Jennifer Hatfield
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, 3280 Hospital Drive NW, Calgary, AB T2N 4Z6, Canada
| | - Francois P Bernier
- Alberta Children's Hospital Research Institute, University of Calgary, Room 294, Heritage Medical Research Building, 3330 Hospital Drive, NW, Calgary, AB T2N 4N1, Canada; Department of Pediatrics, Cumming School of Medicine, University of Calgary, #397 Child Development Centre, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada; Department of Medical Genetics, Cumming School of Medicine, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada.
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Arsenic Trioxide Treatment during Pregnancy for Acute Promyelocytic Leukemia in a 22-Year-Old Woman. Case Rep Hematol 2020; 2020:3686584. [PMID: 32231816 PMCID: PMC7086430 DOI: 10.1155/2020/3686584] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2019] [Revised: 09/23/2019] [Accepted: 02/07/2020] [Indexed: 11/21/2022] Open
Abstract
Acute leukemia during pregnancy is rare (1 for 100000 pregnancies). The association of arsenic trioxide (ATO) and all-trans retinoic acid (ATRA) is known as the best therapy in standard-risk acute promyelocytic leukemia (APL). We describe the first case of a pregnancy with ATRA and ATO reported in the literature. In March 2018 at the University Hospital of Besançon, a 22-year-old woman was diagnosed with APL at 14 weeks of gestation (WG). She received a total of 2160 mg of ATRA and 930 mg of ATO between 14 and 35 WG. The mother's cytological remission was very fast. No maternal or fetal complications occurred during pregnancy. The pediatrics outcomes were good. Many case reports about ATRA exposure during the second and third trimesters report no serious adverse effect for pregnancy. ATO is teratogenic, genotoxic, and carcinogenic and passes through the placenta. Fetal exposure seems to be associated with bad pregnancy outcomes (preterm delivery, decreased birth weight, and fetal loss) and with lung diseases in young adults. No clinical trial is obviously possible, and the only data available are environmental exposure or animal studies. This case report may help medical teams to make hard decision for a treatment of APL during pregnancy.
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Muse ME, Li Z, Baker ER, Cottingham KL, Korrick SA, Karagas MR, Gilbert-Diamond D. Relation between in utero arsenic exposure and growth during the first year of life in a New Hampshire pregnancy cohort. ENVIRONMENTAL RESEARCH 2020; 180:108604. [PMID: 31710845 PMCID: PMC7333643 DOI: 10.1016/j.envres.2019.108604] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 07/16/2019] [Accepted: 07/21/2019] [Indexed: 05/11/2023]
Abstract
BACKGROUND We have previously reported that in utero arsenic exposure is associated with increased length and other anthropometric outcomes at birth in a U.S. cohort. However, it is unknown whether these anthropometric differences persist through early life. OBJECTIVES We assessed in utero arsenic exposure in relation to attained anthropometry and growth trajectories through the first year of life. METHODS Among 760 mother-infant pairs from the New Hampshire Birth Cohort Study, we assessed in utero arsenic exposure using maternal second trimester urinary arsenic and assessed infant growth from medical records. RESULTS Median maternal second trimester total urinary arsenic (tAs; inorganic arsenic + monomethylarsonic acid + dimethylarsinic acid) was 3.96 μg/L (IQR: 2.02, 6.72). In adjusted linear mixed effects models, each doubling of maternal urinary tAs was associated with a 0.05 increase in length WHO Z score (95% CI: 0, 0.09) over the first year of life which corresponds to an approximately 0.12 cm increase in males and 0.13 cm increase in females at 12 months. No associations were observed between urinary tAs and attained weight, weight-for-length, or head circumference. In adjusted piecewise linear mixed effects models, each doubling of urinary tAs was associated with a 0.07 (95% CI: 0.02, 0.12) cm per month decreased length growth rate through 3.5 months with no evidence of an association thereafter. No associations were observed between urinary tAs and infant weight gain or change in weight-for-length and head circumference through one year. CONCLUSIONS On average, infants exposed to higher in utero arsenic attained modestly longer length during the first year, despite having slower linear growth in the first 3.5 months of life. This suggests that the previously demonstrated arsenic-associated longer length among study infants at birth persists through the first year of life. No other anthropometric associations with in utero arsenic exposure were observed across the full study population.
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Affiliation(s)
- Meghan E Muse
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, USA.
| | - Zhigang Li
- Department of Biomedical Data Science, Geisel School of Medicine at Dartmouth, Hanover, NH, USA
| | - Emily R Baker
- Children's Environmental Health and Disease Prevention Center at Dartmouth, Hanover, NH, USA; Department of Obstetrics and Gynecology, Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA
| | - Kathryn L Cottingham
- Children's Environmental Health and Disease Prevention Center at Dartmouth, Hanover, NH, USA; Department of Biological Sciences, Dartmouth College, Hanover, NH, USA
| | - Susan A Korrick
- Children's Environmental Health and Disease Prevention Center at Dartmouth, Hanover, NH, USA; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA; Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Margaret R Karagas
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, USA; Children's Environmental Health and Disease Prevention Center at Dartmouth, Hanover, NH, USA
| | - Diane Gilbert-Diamond
- Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, NH, USA; Children's Environmental Health and Disease Prevention Center at Dartmouth, Hanover, NH, USA
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Environmental Exposures and Adverse Pregnancy-Related Outcomes. HEALTH IMPACTS OF DEVELOPMENTAL EXPOSURE TO ENVIRONMENTAL CHEMICALS 2020. [DOI: 10.1007/978-981-15-0520-1_2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Kumar S, Sharma A, Kshetrimayum C. Environmental & occupational exposure & female reproductive dysfunction. Indian J Med Res 2019; 150:532-545. [PMID: 32048617 PMCID: PMC7038808 DOI: 10.4103/ijmr.ijmr_1652_17] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2017] [Indexed: 01/08/2023] Open
Abstract
All individuals are exposed to certain chemical, physical, biological, environmental as well as occupational factors. The data pertaining to role of these factors on female reproduction are scanty as compared to male. The available data suggest the adverse effects of certain toxicants, viz., metals such as lead, cadmium and mercury, pesticides such as bis(4-chlorophenyl)-1,1,1-trichloroethane and organic solvent such as benzene, toluene and ionizing radiation on the female reproductive system affecting directly the organ system or impacting in directly through hormonal impairments, molecular alterations, oxidative stress and DNA methylation impairing fertility as well as pregnancy and its outcomes. Thus, there is a need for awareness and prevention programme about the adverse effects of these factors and deterioration of female reproductive health, pregnancy outcome and offspring development as some of these chemicals might affect the developing foetus at very low doses by endocrine disruptive mechanism.
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Affiliation(s)
- Sunil Kumar
- Division of Reproductive & Cyto-toxicology, ICMR-National Institute of Occupational Health, Ahmedabad, Gujarat, India
| | - Anupama Sharma
- Division of Reproductive & Cyto-toxicology, ICMR-National Institute of Occupational Health, Ahmedabad, Gujarat, India
| | - Chaoba Kshetrimayum
- Division of Reproductive & Cyto-toxicology, ICMR-National Institute of Occupational Health, Ahmedabad, Gujarat, India
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Gao S, Lin PI, Mostofa G, Quamruzzaman Q, Rahman M, Rahman ML, Su L, Hsueh YM, Weisskopf M, Coull B, Christiani DC. Determinants of arsenic methylation efficiency and urinary arsenic level in pregnant women in Bangladesh. Environ Health 2019; 18:94. [PMID: 31690343 PMCID: PMC6833186 DOI: 10.1186/s12940-019-0530-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Accepted: 10/01/2019] [Indexed: 05/26/2023]
Abstract
BACKGROUND Prenatal inorganic arsenic (iAs) exposure is associated with pregnancy outcomes. Maternal capabilities of arsenic biotransformation and elimination may influence the susceptibility of arsenic toxicity. Therefore, we examined the determinants of arsenic metabolism of pregnant women in Bangladesh who are exposed to high levels of arsenic. METHODS In a prospective birth cohort, we followed 1613 pregnant women in Bangladesh and collected urine samples at two prenatal visits: one at 4-16 weeks, and the second at 21-37 weeks of pregnancy. We measured major arsenic species in urine, including iAs (iAs%) and methylated forms. The proportions of each species over the sum of all arsenic species were used as biomarkers of arsenic methylation efficiency. We examined the difference in arsenic methylation using a paired t-test between first and second visits. Using linear regression, we examined determinants of arsenic metabolism, including age, BMI at enrollment, education, financial provider income, arsenic exposure level, and dietary folate and protein intake, adjusted for daily energy intake. RESULTS Comparing visit 2 to visit 1, iAs% decreased 1.1% (p < 0.01), and creatinine-adjusted urinary arsenic level (U-As) increased 21% (95% CI: 15, 26%; p < 0.01). Drinking water arsenic concentration was positively associated with iAs% at both visits. When restricted to participants with higher adjusted urinary arsenic levels (adjusted U-As > 50 μg/g-creatinine) gestational age at measurement was strongly associated with DMA% (β = 0.38, p < 0.01) only at visit 1. Additionally, DMA% was negatively associated with daily protein intake (β = - 0.02, p < 0.01) at visit 1, adjusting for total energy intake and other covariates. CONCLUSIONS Our findings indicate that arsenic metabolism and adjusted U-As level increase during pregnancy. We have identified determinants of arsenic methylation efficiency at visit 1.
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Affiliation(s)
- Shangzhi Gao
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115 USA
| | - Pi-I Lin
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115 USA
| | - Golam Mostofa
- Dhaka Community Hospital Trust, 190 Wireless Railgate, 1 Baro Moghbazar, Dhaka, Bangladesh
| | - Quazi Quamruzzaman
- Dhaka Community Hospital Trust, 190 Wireless Railgate, 1 Baro Moghbazar, Dhaka, Bangladesh
| | - Mahmudur Rahman
- Dhaka Community Hospital Trust, 190 Wireless Railgate, 1 Baro Moghbazar, Dhaka, Bangladesh
| | - Mohammad Lutfar Rahman
- Harvard Medical School, Department of Population Medicine, Harvard Pilgrim Health Care Institute, 401 Park Drive, Suite 401, Boston, MA 02215 USA
| | - Li Su
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115 USA
| | - Yu-mei Hsueh
- Department of Family Medicine, Shuang Ho Hospital, Taipei Medical University, Taipei City, Taiwan
- Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, No. 250, Wuxing Street, Xinyi District, Taipei City, Taiwan
| | - Marc Weisskopf
- Department of Epidemiology, Department of Environmental Health, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115 USA
| | - Brent Coull
- Department of Biostatistics, Department of Environmental Health, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115 USA
| | - David Chistopher Christiani
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA 02115 USA
- Pulmonary and Critical Care Unit, Department of Medicine, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114 USA
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Yu Y, Gao M, Wang X, Guo Y, Pang Y, Yan H, Hao Y, Zhang Y, Zhang L, Ye R, Wang B, Li Z. Recommended acceptable levels of maternal serum typical toxic metals from the perspective of spontaneous preterm birth in Shanxi Province, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 686:599-605. [PMID: 31185407 DOI: 10.1016/j.scitotenv.2019.05.413] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 05/25/2019] [Accepted: 05/27/2019] [Indexed: 06/09/2023]
Abstract
Preterm birth is an important issue of public reproductive health worldwide. The effects of the toxic metals on the likelihood of spontaneous preterm birth (SPB) are still under discussion. Our study aimed to investigate the association between maternal exposure to the five typical toxic metals or metalloid (i.e. arsenic (As), cadmium (Cd), chromium (Cr), mercury (Hg), and lead (Pb)) and the SPB likelihood. The mothers delivering fetus with SPB (cases) and those with term healthy birth (controls) were chosen from a prospective birth cohort of 3201 women carried out in Shanxi Province, China. A total of 147 SPB cases and 381 controls were included in our nested case-control study. We collected maternal general information by questionnaire and collected their blood sample during recruitment. The serum concentrations of the five toxic metals were measured by inductively coupled-plasma mass spectrometry. We found that the demographic information between the cases and controls were well balanced. The participants in our study had relatively higher serum As concentration. For the other toxic metals (i.e. Cd, Cr, Hg, and Pb), their serum concentrations were overall in the middle range of those from general population. There were no significant associations of the serum concentrations of the five concerned toxic metals with the SPB likelihood. Our study results overall did not support that maternal exposure to As or Cd significantly contribute to the SPB risk in the current exposure level, as well as the other three toxic metals. We further proposed their upper concentration limits in maternal serum from the perspective of SPB likelihood during the early pregnant period, i.e. 18.2 ng/mL of As, 1.05 ng/mL of Cd, 0.96 ng/mL of Cr, 1.07 ng/mL of Hg, and 1.54 ng/mL of Pb.
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Affiliation(s)
- Yanxin Yu
- School of Environment, Beijing Normal University, Beijing 100875, PR China
| | - Miaomiao Gao
- School of Environment, Beijing Normal University, Beijing 100875, PR China
| | - Xuepeng Wang
- School of Environment, Beijing Normal University, Beijing 100875, PR China
| | - Yunhe Guo
- School of Environment, Beijing Normal University, Beijing 100875, PR China
| | - Yiming Pang
- Institute of Reproductive and Child Health, Peking University, Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Huina Yan
- Institute of Reproductive and Child Health, Peking University, Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Yongxiu Hao
- Institute of Reproductive and Child Health, Peking University, Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Yali Zhang
- Institute of Reproductive and Child Health, Peking University, Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Le Zhang
- Institute of Reproductive and Child Health, Peking University, Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Rongwei Ye
- Institute of Reproductive and Child Health, Peking University, Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China
| | - Bin Wang
- Institute of Reproductive and Child Health, Peking University, Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China.
| | - Zhiwen Li
- Institute of Reproductive and Child Health, Peking University, Key Laboratory of Reproductive Health, National Health Commission of the People's Republic of China, Beijing 100191, PR China; Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, PR China.
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Chattopadhyay S, Khatun S, Maity M, Jana S, Perveen H, Dash M, Dey A, Jana LR, Maity PP. Association of Vitamin B 12, Lactate Dehydrogenase, and Regulation of NF-κB in the Mitigation of Sodium Arsenite-Induced ROS Generation in Uterine Tissue by Commercially Available Probiotics. Probiotics Antimicrob Proteins 2019; 11:30-42. [PMID: 28994024 DOI: 10.1007/s12602-017-9333-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Managing arsenic intoxication with conventional metal chelators is a global challenge. The present study demonstrated the therapeutic role of probiotics against arsenic-induced oxidative stress and female reproductive dysfunction. Sodium arsenite-treated (1.0 mg/100 g body weight) Wistar female rats were followed up by a post-treatment of commercially available probiotic mixture in powder form (0.25 mg/100 g body weight) orally. Rats that experienced arsenic ingestion showed a significant lessening in the activities of uterine superoxide dismutase (SOD), catalase activities, and the level of non-protein soluble thiol (NPSH) with a concomitant increase in malondialdehyde (MDA) and conjugated dienes (CD). Exposure to arsenic significantly lowered the levels of vitamin B12 and estradiol. Exposure to arsenic highly expressed the inflammatory marker and transcription factor NF-κB. Arsenic-mediated instability of these above parameters was controlled by the probiotics with a rebuilding of better function of anti-oxidant components. Besides its function in regulating endogenous anti-oxidant system, probiotics were able to augment the protection against mutagenic uterine DNA-breakage, necrosis, and ovarian-uterine tissue damages in arsenicated rats.
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Affiliation(s)
- Sandip Chattopadhyay
- Department of Biomedical Laboratory Science and Management, Vidyasagar University, Midnapore, West Bengal, 721102, India. .,Clinical Nutrition and Dietetics division, (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India.
| | - Shamima Khatun
- Department of Biomedical Laboratory Science and Management, Vidyasagar University, Midnapore, West Bengal, 721102, India.,Clinical Nutrition and Dietetics division, (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Moulima Maity
- Department of Biomedical Laboratory Science and Management, Vidyasagar University, Midnapore, West Bengal, 721102, India.,Clinical Nutrition and Dietetics division, (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Suryashis Jana
- Department of Biomedical Laboratory Science and Management, Vidyasagar University, Midnapore, West Bengal, 721102, India.,Clinical Nutrition and Dietetics division, (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Hasina Perveen
- Department of Biomedical Laboratory Science and Management, Vidyasagar University, Midnapore, West Bengal, 721102, India.,Clinical Nutrition and Dietetics division, (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Moumita Dash
- Department of Biomedical Laboratory Science and Management, Vidyasagar University, Midnapore, West Bengal, 721102, India.,Clinical Nutrition and Dietetics division, (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Arindam Dey
- Department of Biomedical Laboratory Science and Management, Vidyasagar University, Midnapore, West Bengal, 721102, India.,Clinical Nutrition and Dietetics division, (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Lipi Rani Jana
- Department of Biomedical Laboratory Science and Management, Vidyasagar University, Midnapore, West Bengal, 721102, India.,Clinical Nutrition and Dietetics division, (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
| | - Pikash Pratim Maity
- Department of Biomedical Laboratory Science and Management, Vidyasagar University, Midnapore, West Bengal, 721102, India.,Clinical Nutrition and Dietetics division, (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal, 721102, India
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28
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Zhong Q, Cui Y, Wu H, Niu Q, Lu X, Wang L, Huang F. Association of maternal arsenic exposure with birth size: A systematic review and meta-analysis. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2019; 69:129-136. [PMID: 31030175 DOI: 10.1016/j.etap.2019.04.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 03/26/2019] [Accepted: 04/17/2019] [Indexed: 05/03/2023]
Abstract
OBJECTIVES Chronic exposure to arsenic during pregnancy or early life continues to be a major global health problem worldwide, affecting hundreds of millions of people. However, its effects on birth size are uncertain. The aim of this study is to summarized the association between maternal arsenic exposure and birth size. METHODS A comprehensive literature search was conducted on the maternal arsenic exposure and birth size (birth weight, birth length, head circumference and chest circumference) through databases (PubMed, Qvid Medline, Web of Science, Cochrane and EMBASE), the last search was in March 2019. Heterogeneity was testes by using the Q statistic and stratifying for epidemiological factors. The possibility of publication bias was assessed through Begg's test. RESULTS A total of 12 studies provided sufficient data were included. Meta-analysis revealed that maternal arsenic exposure was associated with the decrease of birth weight (β = -25.0 g; 95% CI: -41.0, -9.0) and head circumference (β = -0.12 cm; 95% CI: -0.24, -0.01) in random-effect model, birth length (β = -0.12 cm; 95% CI: -0.17, -0.07) in fixed-effect model, no significant reduction was suggested in chest circumference (β = -0.74 cm; 95% CI: -1.78, 0.3). In addition, we found that the birth weight decreased stronger in women living in the Americas, or appling the exposure marker of urine. CONCLUSIONS Maternal arsenic exposure is associated with the decrease of the birth weight, length and head circumference. Millions of people are still exposured to high-level arsenic, therefore, high quality epidemiologic studies that involve large samples are necessary to determine the precise relationships between maternal arsenic exposure with birth size. And that effective mitigation measures are also need to prevent arsenic exposure in women of reproductive age.
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Affiliation(s)
- Qi Zhong
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Yanjie Cui
- Medical Administration Division, The Forth Affiliated Hospital of Anhui Medical University, Tongling North Road, Hefei, Anhui, China
| | - Huabing Wu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Qingshan Niu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Xuelei Lu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Ling Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Fen Huang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China; Central Laboratory of Preventive Medicine, School of Public Health, Anhui Medical University, Hefei, Anhui 230032, China.
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29
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Kazi TG, Brahman KD, Baig JA, Afridi HI. Bioaccumulation of arsenic and fluoride in vegetables from growing media: health risk assessment among different age groups. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2019; 41:1223-1234. [PMID: 30392056 DOI: 10.1007/s10653-018-0207-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 10/21/2018] [Indexed: 06/08/2023]
Abstract
The current study was conducted to evaluate the arsenic (As) and fluoride (F-) concentrations in growing media (stored rainwater and soil), of district Tharparkar, Pakistan. The bioaccumulation/transportation of As and F from growing media to different types of vegetables (wild cucumis, Indian squish and cluster bean) was evaluated. Total concentrations of As and F- in stored rainwater samples were observed up to 585 μg/L and 32.4 mg/L, respectively, exceeding many folds higher than WHO provisional guideline values. The As and F- contents in soil samples of nine agricultural sites were found in the range of 121-254 mg/kg and 115-478 mg/kg, respectively. The highest contents of As and F- were observed in wild cucumis as compared to Indian squish and cluster bean (p < 0.05), grown in the same agricultural field. The bioaccumulation factors of As and F- were to be > 4.00, indicating the high rate of transportation of As and F- from growing media to vegetables. A significant positive correlation of As and F- in vegetables with their concentrations in soil and water was observed (r > 0.60 with p < 0.05). The risk assessment elucidated that the population of different age group consuming local vegetables and drinking water contaminated with As and F- may have adverse health effects.
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Affiliation(s)
- Tasneem G Kazi
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Sindh, 76080, Pakistan.
| | - Kapil D Brahman
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Sindh, 76080, Pakistan
| | - Jameel A Baig
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Sindh, 76080, Pakistan
| | - Hassan I Afridi
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Sindh, 76080, Pakistan
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30
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Nyanza EC, Bernier FP, Manyama M, Hatfield J, Martin JW, Dewey D. Maternal exposure to arsenic and mercury in small-scale gold mining areas of Northern Tanzania. ENVIRONMENTAL RESEARCH 2019; 173:432-442. [PMID: 30974369 DOI: 10.1016/j.envres.2019.03.031] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Revised: 02/25/2019] [Accepted: 03/14/2019] [Indexed: 06/09/2023]
Abstract
Artisanal and small-scale gold mining (ASGM) in Tanzania results in occupational exposures and environmental contamination to toxic chemical elements such as arsenic and mercury. Populations living in such areas may be exposed by various routes, and prenatal exposure to arsenic and mercury has been associated with adverse birth outcomes and developmental delays. The aim of this study was to determine if levels of arsenic and mercury differed among pregnant women living in areas with and without ASGM activities in Northern Tanzania. This cross-sectional study is part of the ongoing Mining and Health prospective longitudinal study. Spot urine samples and dried blood spots were collected at the antenatal health clinics from pregnant women (n = 1056) at 16-27 weeks gestation. Urine samples were analyzed for total arsenic (T-As) and dried blood spots were analyzed for total mercury (T-Hg). Women in the ASGM cohort had median T-As levels (9.4 μg/L; IQR: 4.9-15.1) and T-Hg levels (1.2 μg/L; IQR: 0.8-1.86) that were significantly higher than the median T-As levels (6.28 μg/L; IQR: 3.7-14.1) and T-Hg levels (0.66 μg/L; IQR: 0.3-1.2) of women in the non-ASGM cohort (Mann-Whitney U test, T-As: z = -9.881, p = 0.0005; T-Hg: z = -3.502, p < 0.0001). Among pregnant women from ASGM areas, 25% had urinary T-As and 75% had blood T-Hg above the established human biomonitoring reference values of 15 and 0.80 μg/L. In the ASGM cohort, lower maternal education and low socioeconomic status increased the odds of higher T-As levels by 20% (p < 0.05) and 10% (p < 0.05), respectively. Women involved in mining activities and those of low socioeconomic status had increased odds of higher T-Hg by 70% (p < 0.001) and 10% (p < 0.05), respectively. Arsenic and mercury concentrations among women in non-ASGM areas suggest exposure sources beyond ASGM activities that need to be identified. Arsenic and mercury levels in women in Tanzania are of public health concern and their association with adverse birth and child developmental outcomes will be examined in future studies on this cohort.
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Affiliation(s)
- Elias C Nyanza
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, 3280 Hospital Drive NW, Calgary, AB, T2N 4Z6, Canada; Department of Environmental, Occupational Health and GIS, School of Public Health, Catholic University of Health and Allied Sciences, P.O. Box 1464, Bugando, Mwanza, Tanzania; Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Room 294, Heritage Medical Research Building, 3330 Hospital Drive, NW, Calgary, AB, T2N 4N1, Canada
| | - Francois P Bernier
- Department of Pediatrics, Cumming School of Medicine, University of Calgary, 28 Oki Drive NW, Calgary, AB, T3A 6A8, Canada; Department of Medical Genetics, Cumming School of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, AB T2N 4N1, Canada; Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Room 294, Heritage Medical Research Building, 3330 Hospital Drive, NW, Calgary, AB, T2N 4N1, Canada
| | - Mange Manyama
- Division of Medical Education, Weill-Cornell Medicine-Qatar, Doha, Qatar
| | - Jennifer Hatfield
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, 3280 Hospital Drive NW, Calgary, AB, T2N 4Z6, Canada
| | - Jonathan W Martin
- Science for Life Laboratory, Department of Environmental Sciences and Analytical Chemistry, Stockholm University, Stockholm, 114 18. Sweden
| | - Deborah Dewey
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, 3280 Hospital Drive NW, Calgary, AB, T2N 4Z6, Canada; Department of Pediatrics, Cumming School of Medicine, University of Calgary, 28 Oki Drive NW, Calgary, AB, T3A 6A8, Canada; Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Room 294, Heritage Medical Research Building, 3330 Hospital Drive, NW, Calgary, AB, T2N 4N1, Canada.
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31
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Gao S, Mostofa MG, Quamruzzaman Q, Rahman M, Rahman M, Su L, Hsueh YM, Weisskopf M, Coull B, Christiani DC. Gene-environment interaction and maternal arsenic methylation efficiency during pregnancy. ENVIRONMENT INTERNATIONAL 2019; 125:43-50. [PMID: 30703610 PMCID: PMC7592115 DOI: 10.1016/j.envint.2019.01.042] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 01/15/2019] [Accepted: 01/15/2019] [Indexed: 05/03/2023]
Abstract
BACKGROUND Single nucleotide polymorphisms (SNPs) may influence arsenic methylation efficiency, affecting arsenic metabolism. Whether gene-environment interactions affect arsenic metabolism during pregnancy remains unclear, which may have implications for pregnancy outcomes. OBJECTIVE We aimed to investigate main effects as well as potential SNP-arsenic interactions on arsenic methylation efficiency in pregnant women. METHOD We recruited 1613 pregnant women in Bangladesh, and collected two urine samples from each participant, one at 4-16 weeks, and the second at 21-37 weeks of pregnancy. We determined the proportions of each arsenic metabolite [inorganic As (iAs)%, monomethylarsonic acid (MMA)%, and dimethylarsinic acid (DMA)%] from the total urinary arsenic level of each sample. A panel of 63 candidate SNPs was selected for genotyping based on their reported associations with arsenic metabolism (including in As3MT, N6AMT1, and GSTO2 genes). We used linear regression models to assess the association between each SNP and DMA% with an additive allelic assumption, as well as SNP-arsenic interaction on DMA%. These analyses were performed separately for two urine collection time-points to capture differences in susceptibility to arsenic toxicity. RESULT Intron variants for As3MT were associated with DMA%. rs9527 (β = -2.98%, PFDR = 0.008) and rs1046778 (β = 1.64%, PFDR = 0.008) were associated with this measure in the early gestational period; rs3740393 (β = 2.54%, PFDR = 0.002) and rs1046778 (β = 1.97%, PFDR = 0.003) in the mid-to-late gestational period. Further, As3MT, GSTO2, and N6AMT1 polymorphisms showed different effect sizes on DMA% conditional on arsenic exposure levels. However, SNP-arsenic interactions were not statistically significant after adjusting for false discovery rate (FDR). rs1048546 in N6AMT1 had the highest significance level in the SNP-arsenic interaction test during mid-to-late gestation (β = -1.8% vs. 1.4%, PGxE_FDR = 0.075). Finally, As3MT and As3MT/CNNM2 haplotypes were associated with DMA% at both time points. CONCLUSION We found that not all genetic associations reported in arsenic methylation efficiency replicate in pregnant women. Arsenic exposure level has a limited effect in modifying the association between genetic variation and arsenic methylation efficiency.
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Affiliation(s)
- Shangzhi Gao
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | | | | | | | - Mohammad Rahman
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Li Su
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Yu-Mei Hsueh
- Department of Family Medicine, Taipei Medical University Hospital, Taipei, Taiwan; Department of Public Health, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Marc Weisskopf
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Brent Coull
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - David C Christiani
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA; Pulmonary and Critical Care Unit, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
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Wang H, Li J, Zhang X, Zhu P, Hao JH, Tao FB, Xu DX. Maternal serum arsenic level during pregnancy is positively associated with adverse pregnant outcomes in a Chinese population. Toxicol Appl Pharmacol 2018; 356:114-119. [DOI: 10.1016/j.taap.2018.07.030] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 07/22/2018] [Accepted: 07/30/2018] [Indexed: 01/07/2023]
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Singh L, Anand M, Singh S, Taneja A. Environmental toxic metals in placenta and their effects on preterm delivery-current opinion. Drug Chem Toxicol 2018; 43:531-538. [PMID: 30257569 DOI: 10.1080/01480545.2018.1515216] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Preterm birth is a significant public reproductive health concern globally; Furthermore, preterm birth has long-lasting medical and pecuniary burdens on the society. Moreover, preterm birth is well-established as the underlying cause of low birth weight in infants as well as neonatal mortality. A growing body of literature suggests that the etiology of preterm delivery in women is elusive; however, countless environmental factors are considered responsible for preterm birth. Environmental contaminants that are toxic metals such as lead, cadmium, arsenic, and mercury are familiar confounding factors for preterm birth globally. Recent studies have indicated that these toxic heavy metals induce oxidative stress in the trophoblastic placental tissue by producing reactive oxygen species that alter the mechanism of antioxidants possibly leading to preterm birth. Moreover, no obvious mechanism underlying metal-induced oxidative stress in the placenta has been identified until date. Consequently, this review offers an outline of the currently existing scientific information on the association of toxic metals and redox status of the placental tissue with preterm birth. Furthermore, this study critically recognizes the gaps related to the deleterious effect of metals on the gestation period in scientific literature.
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Affiliation(s)
- Laxmi Singh
- Department of Chemistry, Dr. B. R. Ambedkar University, Khandari Campus, Agra, India
| | - Madhu Anand
- Department of Chemistry, Dr. B. R. Ambedkar University, Khandari Campus, Agra, India
| | - Saroj Singh
- Department of Obstetrician and Gynecology, S.N. Medical College, Agra, India
| | - Ajay Taneja
- Department of Chemistry, Dr. B. R. Ambedkar University, Khandari Campus, Agra, India
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R G A, El-Gareib AW. WITHDRAWN: Toxic effects of gestational arsenic trioxide on the neuroendocrine axis of developing rats. Food Chem Toxicol 2018:S0278-6915(18)30663-X. [PMID: 30218683 DOI: 10.1016/j.fct.2018.09.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 08/29/2018] [Accepted: 09/10/2018] [Indexed: 11/19/2022]
Abstract
This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policies/article-withdrawal.
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Affiliation(s)
- Ahmed R G
- Division of Anatomy and Embryology, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - A W El-Gareib
- Division of Anatomy and Embryology, Zoology Department, Faculty of Science, Cairo University, Egypt
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Gliga AR, Engström K, Kippler M, Skröder H, Ahmed S, Vahter M, Raqib R, Broberg K. Prenatal arsenic exposure is associated with increased plasma IGFBP3 concentrations in 9-year-old children partly via changes in DNA methylation. Arch Toxicol 2018; 92:2487-2500. [PMID: 29947889 PMCID: PMC6063321 DOI: 10.1007/s00204-018-2239-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 06/04/2018] [Indexed: 01/20/2023]
Abstract
Exposure to inorganic arsenic (As), a carcinogen and epigenetic toxicant, has been associated with lower circulating levels of insulin-like growth factor 1 (IGF1) and impaired growth in children of pre-school age. The aim of this study was to assess the potential impact of exposure to As on IGF1 and insulin-like growth factor-binding protein 3 (IGFBP3) as well as DNA methylation changes in 9-year-old children. To this end, we studied 9-year-old children from a longitudinal mother-child cohort in rural Bangladesh (n = 551). Prenatal and concurrent exposure to As was assessed via concentrations in maternal urine at gestational week 8 and in child urine at 9 years, measured by HPLC-HG-ICPMS. Plasma IGF1 and IGFBP3 concentrations were quantified with immunoassays. DNA methylation was measured in blood mononuclear cells at 9 years in a sub-sample (n = 113) using the Infinium HumanMethylation450K BeadChip. In multivariable-adjusted linear regression models, prenatal As (natural log-transformed), but not children's concurrent urinary As, was positively associated with IGFBP3 concentrations (β = 76, 95% CI 19, 133). As concentrations were not associated with IGF1. DNA methylation analysis revealed CpGs associated with both prenatal As and IGFBP3. Mediation analysis suggested that methylation of 12 CpG sites for all children was mediator of effect for the association between prenatal As and IGFBP3. We also found differentially methylated regions, generally hypermethylated, that were associated with both prenatal As and IGFBP3. In all, our study revealed that prenatal exposure to As was positively associated with IGFBP3 concentrations in children at 9 years, independent of IGF1, and this association may, at least in part, be epigenetically mediated.
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Affiliation(s)
- Anda R Gliga
- Unit of Metals and Health, Institute of Environmental Medicine, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Karin Engström
- Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden
| | - Maria Kippler
- Unit of Metals and Health, Institute of Environmental Medicine, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Helena Skröder
- Unit of Metals and Health, Institute of Environmental Medicine, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Sultan Ahmed
- Division of Infectious Diseases, icddr,b, Dhaka, Bangladesh
| | - Marie Vahter
- Unit of Metals and Health, Institute of Environmental Medicine, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Rubhana Raqib
- Division of Infectious Diseases, icddr,b, Dhaka, Bangladesh
| | - Karin Broberg
- Unit of Metals and Health, Institute of Environmental Medicine, Karolinska Institutet, 171 77, Stockholm, Sweden.
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Rahman ML, Kile ML, Rodrigues EG, Valeri L, Raj A, Mazumdar M, Mostofa G, Quamruzzaman Q, Rahman M, Hauser R, Baccarelli A, Liang L, Christiani DC. Prenatal arsenic exposure, child marriage, and pregnancy weight gain: Associations with preterm birth in Bangladesh. ENVIRONMENT INTERNATIONAL 2018; 112:23-32. [PMID: 29245039 PMCID: PMC6530570 DOI: 10.1016/j.envint.2017.12.004] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Revised: 12/01/2017] [Accepted: 12/02/2017] [Indexed: 05/22/2023]
Abstract
BACKGROUND Preterm birth is a disease of multifactorial etiologies that has environmental, social, and maternal health components. Individual studies have shown that exposure to arsenic contaminated drinking water, child marriage, and low maternal weight gain during pregnancy contribute to preterm birth. These factors are highly prevalent and often co-exist in Bangladesh, a country in South Asia with one of the world's highest prevalences of preterm birth. OBJECTIVE To evaluate the individual and interactive effects of prenatal arsenic exposure, child marriage, and pregnancy weight gain on preterm birth in a prospective birth cohort in Bangladesh. METHODS During 2008-2011, we recruited 1613 pregnant women aged ≥18years at ≤16weeks of gestation and followed them until 1-month post-partum. We measured total arsenic in drinking water (n=1184) and in maternal toenails (n=1115) collected at enrollment and ≤1-month post-partum, respectively using inductively coupled plasma mass spectrometry. Child marriage (<18years old) was defined using self-report, and 2nd and 3rd trimester pregnancy weight gain was calculated using monthly records. Gestational age was determined at enrollment by ultrasound. RESULTS In multivariate adjusted Poisson regression models, the risk ratios (RR) for preterm birth were 1.12 (95% CI: 1.07-1.18) for a unit change in natural log water arsenic exposure, 2.28 (95% CI: 1.76-2.95) for child marriage, and 0.64 (95% CI: 0.42-0.97) for a pound per week increase in maternal weight during the 2nd and 3rd trimesters. In stratified analysis by child marriage, pregnancy weight gain was inversely associated with preterm birth among women with a history of child marriage (RR=0.58; 95% CI: 0.37-0.92), but not among women with no history of child marriage (RR=86; 95% CI: 0.37-2.01). Mediation analysis revealed that both arsenic exposure and child marriage had small but significant associations with preterm birth via lowering pregnancy weight gain. Similar associations were observed when arsenic exposure was assessed using maternal toenail arsenic concentrations. CONCLUSIONS Reducing arsenic exposure and ending child marriage could reduce the risk of preterm birth in Bangladesh. Furthermore, enhancing nutritional support to ensure adequate weight gain during pregnancy may provide additional benefits especially for women with a history of child marriage.
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Affiliation(s)
- Mohammad L Rahman
- Harvard T.H. Chan School of Public Health, Department of Environmental Health, Boston, MA, USA
| | - Molly L Kile
- Oregon State University, College of Public Health and Human Sciences, Corvallis, OR, USA
| | - Ema G Rodrigues
- Harvard T.H. Chan School of Public Health, Department of Environmental Health, Boston, MA, USA
| | - Linda Valeri
- McLean Hospital, Belmont, Massachusetts, USA and Harvard Medical School, Boston, MA, USA
| | - Anita Raj
- Center on Gender Equity and Health, Department of Medicine, University of California, San Diego, CA, USA
| | - Maitreyi Mazumdar
- Harvard T.H. Chan School of Public Health, Department of Environmental Health, Boston, MA, USA
| | | | | | | | - Russ Hauser
- Harvard T.H. Chan School of Public Health, Department of Environmental Health, Boston, MA, USA; Harvard T.H. Chan School of Public Health, Department of Epidemiology, Boston, MA, USA
| | - Andrea Baccarelli
- Columbia University, Mailman School of Public Health, Department of Environmental Health, New York, NY, USA
| | - Liming Liang
- Harvard T.H. Chan School of Public Health, Department of Biostatistics, Boston, MA, USA
| | - David C Christiani
- Harvard T.H. Chan School of Public Health, Department of Environmental Health, Boston, MA, USA; Harvard T.H. Chan School of Public Health, Department of Epidemiology, Boston, MA, USA.
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Dash M, Maity M, Dey A, Perveen H, Khatun S, Jana L, Chattopadhyay S. The consequence of NAC on sodium arsenite-induced uterine oxidative stress. Toxicol Rep 2018; 5:278-287. [PMID: 29511641 PMCID: PMC5835492 DOI: 10.1016/j.toxrep.2018.02.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 01/21/2018] [Accepted: 02/09/2018] [Indexed: 01/09/2023] Open
Abstract
Arsenic consumption through drinking water is a worldwide major health problem. Management of arsenic intoxication with invasive, painful therapy using metal chelators is usually used as a conventional treatment strategy in human. In this present study, we examined the efficacy of oral administration of N-acetyl l-cysteine (NAC) in limiting arsenic-mediated female reproductive disorders and oxidative stress in female Wistar rats. The treatment was continued for 8 days (2 estrus cycles) on rats with sodium arsenite (10 mg/Kg body weight) orally. We examined the electrozymographic imprint of three different enzymatic antioxidants in uterine tissue. Rats fed with sodium arsenite exhibited a significant lessening in the activities of superoxide dismutase (SOD), catalase and glutathione peroxidase (GPx). Uterine DNA breakage, necrosis, ovarian and uterine tissue damage, disruption in steroidogenesis were also found in arsenic treated rats. Co-administration of NAC at different doses (50 mg/kg body weight, 100 mg/kg body weight, respectively) significantly reversed the action of uterine oxidative stress markers like malondialdehyde (MDA), conjugated dienes (CD) and non protein soluble thiol (NPSH); and noticeably improved antioxidant status of the arsenic fed rats. This ultimately resulted in the uterine tissue repairing followed by improvement of ovarian steroidogenesis. However, this effective function of NAC might be crucial for the restoration of arsenic-induced female reproductive organ damage in rats.
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Affiliation(s)
- Moumita Dash
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Moulima Maity
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Arindam Dey
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Hasina Perveen
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Shamima Khatun
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Lipirani Jana
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal 721102, India
| | - Sandip Chattopadhyay
- Department of Biomedical Laboratory Science and Management, and Clinical Nutrition and Dietetics division (UGC Innovative Department), Vidyasagar University, Midnapore, West Bengal 721102, India
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Aderibigbe AD, Stewart AG, Hursthouse AS. Seeking evidence of multidisciplinarity in environmental geochemistry and health: an analysis of arsenic in drinking water research. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2018; 40:395-413. [PMID: 28236208 PMCID: PMC5797562 DOI: 10.1007/s10653-017-9919-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2016] [Accepted: 02/03/2017] [Indexed: 05/05/2023]
Abstract
A multidisciplinary approach to research affords the opportunity of objectivity, creation of new knowledge and potentially a more generally acceptable solution to problems that informed the research in the first place. It increasingly features in national programmes supporting basic and applied research, but for over 40 years, has been the arena for many research teams in environmental geochemistry and health. This study explores the nature of multidisciplinary research in the earth and health sciences using a sample selected from co-authored articles reporting research on arsenic (As) in drinking water from 1979 to 2013. A total of 889 relevant articles were sourced using the online version of the science citation index-expanded (SCI-expanded). The articles were classified according to author affiliation and later by author discipline/research interests using the Revised Field of Science and Technology Frascati manual DSTI/EAS/STP/NESTI (2006) 19/FINAL and a decision algorithm. Few articles were published on the topic until 2000. More articles were published across all affiliations in the last 10 years of the review period (2004-2013) than in the first 10 years (1979-1988). Only 84 (~9%) articles fell within the "earth and health" only and "earth, health and other" categories when classification was undertaken by author affiliation alone. This suggests that level of collaboration between earth and health scientists in arsenic in drinking water research may be very low. By refining the classification further using author discipline/research interests, only 28 of the 84 articles appear to be co-authored by earth and health scientists alongside professionals in other fields. More than half of these 28 articles involved descriptive non-experimental, observational study designs, limited in direct causal hypotheses and mechanistic investigation. If collaborative research is to lead to the increased multidisciplinary research, early interaction should be encouraged between students from different disciplines. In order to achieve multidisciplinarity in practise, it is imperative that scientific communities and research agencies do more to encourage interaction and integration between researchers from different disciplines. This must develop from educational institutions seeing opportunities to improve graduate skills in an increasingly diverse research landscape.
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Affiliation(s)
- Abiodun D. Aderibigbe
- Institute of Biomedical and Environmental Health Research, School of Science and Sport, University of the West of Scotland, Paisley, PA1 2BE UK
- Present Address: Department of Chemistry, Federal University of Technology, Akure, P.M.B. 704 Ondo state Nigeria
| | - Alex G. Stewart
- Cheshire and Merseyside Public Health England Centre, Liverpool, L1 1JF UK
- Present Address: College of Life and Environmental Science, University of Exeter, Exeter, UK
| | - Andrew S. Hursthouse
- Institute of Biomedical and Environmental Health Research, School of Science and Sport, University of the West of Scotland, Paisley, PA1 2BE UK
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Liao KW, Chang CH, Tsai MS, Chien LC, Chung MY, Mao IF, Tsai YA, Chen ML. Associations between urinary total arsenic levels, fetal development, and neonatal birth outcomes: A cohort study in Taiwan. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 612:1373-1379. [PMID: 28898944 DOI: 10.1016/j.scitotenv.2017.08.312] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 08/30/2017] [Accepted: 08/30/2017] [Indexed: 05/12/2023]
Abstract
BACKGROUND Arsenic exposure is a global health concern. Several studies have focused on chronic arsenic exposure in adults; however, limited data are available regarding the potential adverse effects of prenatal exposure on fetuses and neonates. OBJECTIVES To assess which time point maternal arsenic exposure may influence the fetus during pregnancy and birth outcomes. METHODS In this study, total arsenic concentrations were analyzed in urine samples collected from 130 women with singleton pregnancies (22-45years old) in Taiwan from March to December of 2010. All fetal biometric measurements in each trimester period and birth outcomes at delivery were obtained. We applied a generalized estimating equation model and multivariate regression models to evaluate the associations between maternal urinary total arsenic (UtAs) exposure during pregnancy, fetal biometric measurements, and neonatal birth outcomes. RESULTS We observed statistically significant correlations between maternal UtAs levels and the fetal biparietal diameter over all three trimesters (β=-1.046mm, p<0.05). Multiple regression analyses showed a negative association between maternal UtAs levels and chest circumference in the first trimester (β=-0.721cm, p<0.05), and second-trimester UtAs exposure was associated with decreases in birth weight (β=-173.26g, p<0.01), head circumference (β=-0.611cm, p<0.05), and chest circumference (β=-0.654cm, p<0.05). Dose-response relationships were also observed for maternal UtAs exposure and birth outcomes. CONCLUSIONS We identified a negative relationship between maternal UtAs levels during pregnancy, fetal development, and neonatal birth outcomes. These findings should be confirmed in future studies with large sample sizes.
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Affiliation(s)
- Kai-Wei Liao
- Institute of Environmental and Occupational Health Sciences, School of Medicine, National Yang Ming University, Taipei, Taiwan
| | - Chia-Huang Chang
- Institute of Environmental and Occupational Health Sciences, School of Medicine, National Yang Ming University, Taipei, Taiwan
| | - Ming-Song Tsai
- Department of Obstetrics and Gynecology, Cathay General Hospital, Taipei, Taiwan; School of Medicine, Fu Jen Catholic University, Taipei, Taiwan; School of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ling-Chu Chien
- School of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Ming-Yi Chung
- Department of Life Sciences, Institute of Genome Sciences, National Yang Ming University, Taipei, Taiwan
| | - I-Fang Mao
- Department of Occupational Safety and Health, Chung Shan Medical University, Taichung, Taiwan
| | - Yen-An Tsai
- Institute of Environmental and Occupational Health Sciences, School of Medicine, National Yang Ming University, Taipei, Taiwan
| | - Mei-Lien Chen
- Institute of Environmental and Occupational Health Sciences, School of Medicine, National Yang Ming University, Taipei, Taiwan.
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Prenatal Heavy Metal Exposure and Adverse Birth Outcomes in Myanmar: A Birth-Cohort Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:ijerph14111339. [PMID: 29099808 PMCID: PMC5707978 DOI: 10.3390/ijerph14111339] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Revised: 10/22/2017] [Accepted: 10/31/2017] [Indexed: 12/26/2022]
Abstract
Arsenic, cadmium and lead are well-known environmental contaminants, and their toxicity at low concentration is the target of scientific concern. In this study, we aimed to identify the potential effects of prenatal heavy metal exposure on the birth outcomes among the Myanmar population. This study is part of a birth-cohort study conducted with 419 pregnant women in the Ayeyarwady Division, Myanmar. Face-to-face interviews were performed using a questionnaire, and maternal spot urine samples were collected at the third trimester. Birth outcomes were evaluated at delivery during the follow up. The median values of adjusted urinary arsenic, cadmium, selenium and lead concentration were 74.2, 0.9, 22.6 and 1.8 μg/g creatinine, respectively. Multivariable logistic regression revealed that prenatal cadmium exposure (adjusted odds ratio (OR) = 1.10; 95% confidence interval (CI): 1.01–1.21; p = 0.043), gestational age (adjusted OR = 0.83; 95% CI: 0.72–0.95; p = 0.009) and primigravida mothers (adjusted OR = 4.23; 95% CI: 1.31–13.65; p = 0.016) were the predictors of low birth weight. The present study identified that Myanmar mothers were highly exposed to cadmium. Prenatal maternal cadmium exposure was associated with an occurrence of low birth weight.
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Mohsennia M, Motaharinejad A, Rafiee-Pour HA, Torabbeigi M. Thermodynamic and kinetic studies of As2O3 toxicological effects on human insulin in generation diabetes mellitus. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2017. [DOI: 10.1134/s0036024417120202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Rahman ML, Valeri L, Kile ML, Mazumdar M, Mostofa G, Qamruzzaman Q, Rahman M, Baccarelli A, Liang L, Hauser R, Christiani DC. Investigating causal relation between prenatal arsenic exposure and birthweight: Are smaller infants more susceptible? ENVIRONMENT INTERNATIONAL 2017; 108:32-40. [PMID: 28787626 PMCID: PMC5623127 DOI: 10.1016/j.envint.2017.07.026] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 06/03/2017] [Accepted: 07/30/2017] [Indexed: 05/21/2023]
Abstract
BACKGROUND Shortening of gestation and intrauterine growth restriction (IUGR) are the two main determinants of birthweight. Low birthweight has been linked with prenatal arsenic exposure, but the causal relation between arsenic and birthweight is not well understood. OBJECTIVES We applied a quantile causal mediation analysis approach to determine the association between prenatal arsenic exposure and birthweight in relation to shortening of gestation and IUGR, and whether the susceptibility of arsenic exposure varies by infant birth sizes. METHODS In a longitudinal birth cohort in Bangladesh, we measured arsenic in drinking water (n=1182) collected at enrollment and maternal toenails (n=1104) collected ≤1-month postpartum using inductively coupled plasma mass spectrometry. Gestational age was determined using ultrasound at ≤16weeks' gestation. Demographic information was collected using a structured questionnaire. RESULTS Of 1184 singleton livebirths, 16.4% (n=194) were low birthweight (<2500g), 21.9% (n=259) preterm (<37weeks' gestation), and 9.2% (n=109) both low birthweight and preterm. The median concentrations of arsenic in drinking water and maternal toenails were 2.2μg/L (range: below the level of detection [LOD]-1400) and 1.2μg/g (range: <LOD-46.6), respectively. Prenatal arsenic exposure was negatively associated with birthweight, where the magnitude of the association varied across birthweight percentiles. The effect of arsenic on birthweight mediated via shortening of gestation affected all infants irrespective of birth sizes (β range: 10th percentile=-19.7g [95% CI: -26.7, -13.3] to 90th percentile=-10.9g [95% CI: -18.5, -5.9] per natural log water arsenic increase), whereas the effect via pathways independent of gestational age affected only the smaller infants (β range: 10th percentile=-28.0g [95% CI: -43.8, -9.9] to 20th percentile=-14.9g [95% CI: -30.3, -1.7] per natural log water arsenic increase). Similar pattern was observed for maternal toenail arsenic. CONCLUSIONS The susceptibility of prenatal arsenic exposure varied by infant birth sizes, placing smaller infants at greater risk of lower birthweight by shortening of gestation and possibly growth restriction. It is important to mitigate prenatal arsenic exposure to improve perinatal outcomes in Bangladesh.
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Affiliation(s)
- Mohammad L Rahman
- Harvard T.H. Chan School of Public Health, Department of Environmental Health, Boston, MA, USA
| | - Linda Valeri
- McLean Hospital, Belmont, Massachusetts, USA, Harvard Medical School, Boston, MA, USA
| | - Molly L Kile
- Oregon State University, College of Public Health and Human Sciences, Corvallis, OR, USA
| | - Maitreyi Mazumdar
- Harvard T.H. Chan School of Public Health, Department of Environmental Health, Boston, MA, USA
| | | | | | | | - Andrea Baccarelli
- Columbia University, Mailman School of Public Health, Department of Environmental Health, New York, NY, USA
| | - Liming Liang
- Harvard T.H. Chan School of Public Health, Department of Biostatistics, Boston, MA, USA
| | - Russ Hauser
- Harvard T.H. Chan School of Public Health, Department of Environmental Health, Boston, MA, USA; Harvard T.H. Chan School of Public Health, Department of Epidemiology, Boston, MA, USA
| | - David C Christiani
- Harvard T.H. Chan School of Public Health, Department of Environmental Health, Boston, MA, USA; Harvard T.H. Chan School of Public Health, Department of Epidemiology, Boston, MA, USA.
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Almberg KS, Turyk ME, Jones RM, Rankin K, Freels S, Graber JM, Stayner LT. Arsenic in drinking water and adverse birth outcomes in Ohio. ENVIRONMENTAL RESEARCH 2017; 157:52-59. [PMID: 28521257 DOI: 10.1016/j.envres.2017.05.010] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Revised: 04/08/2017] [Accepted: 05/08/2017] [Indexed: 05/04/2023]
Abstract
BACKGROUND Arsenic in drinking water has been associated with adverse reproductive outcomes in areas with high levels of naturally occurring arsenic. Less is known about the reproductive effects of arsenic at lower levels. OBJECTIVES This research examined the association between low-level arsenic in drinking water and small for gestational age (SGA), term low birth weight (term LBW), very low birth weight (VLBW), preterm birth (PTB), and very preterm birth (VPTB) in the state of Ohio. METHODS Exposure was defined as the mean annual arsenic concentration in drinking water in each county in Ohio from 2006 to 2008 using Safe Drinking Water Information System data. Birth outcomes were ascertained from the birth certificate records of 428,804 births in Ohio from the same time period. Multivariable generalized estimating equation logistic regression models were used to assess the relationship between arsenic and each birth outcome separately. Sensitivity analyses were performed to examine the roles of private well use and prenatal care utilization in these associations. RESULTS Arsenic in drinking water was associated with increased odds of VLBW (AOR 1.14 per µg/L increase; 95% CI 1.04, 1.24) and PTB (AOR 1.10; 95% CI 1.06, 1.15) among singleton births in counties where <10% of the population used private wells. No significant association was observed between arsenic and SGA, or VPTB, but a suggestive association was observed between arsenic and term LBW. CONCLUSIONS Arsenic in drinking water was positively associated with VLBW and PTB in a population where nearly all (>99%) of the population was exposed under the current maximum contaminant level of 10µg/L. Current regulatory standards may not be protective against reproductive effects of prenatal exposure to arsenic.
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Affiliation(s)
- Kirsten S Almberg
- Epidemiology and Biostatistics Division, University of Illinois at Chicago, School of Public Health, 1603 W. Taylor Street, Chicago, IL 60607, USA.
| | - Mary E Turyk
- Epidemiology and Biostatistics Division, University of Illinois at Chicago, School of Public Health, 1603 W. Taylor Street, Chicago, IL 60607, USA.
| | - Rachael M Jones
- Environmental and Occupational Health Sciences Division, University of Illinois at Chicago, School of Public Health, 2121 W. Taylor Street, Chicago, IL 60612, USA.
| | - Kristin Rankin
- Epidemiology and Biostatistics Division, University of Illinois at Chicago, School of Public Health, 1603 W. Taylor Street, Chicago, IL 60607, USA.
| | - Sally Freels
- Epidemiology and Biostatistics Division, University of Illinois at Chicago, School of Public Health, 1603 W. Taylor Street, Chicago, IL 60607, USA.
| | - Judith M Graber
- Epidemiology and Biostatistics Division, University of Illinois at Chicago, School of Public Health, 1603 W. Taylor Street, Chicago, IL 60607, USA; Epidemiology Department, Rutgers the State University of New Jersey, School of Public Health, 683 Hoes Lane West, Piscataway, NJ 08854, United States.
| | - Leslie T Stayner
- Epidemiology and Biostatistics Division, University of Illinois at Chicago, School of Public Health, 1603 W. Taylor Street, Chicago, IL 60607, USA.
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A Review of the Effects of Chronic Arsenic Exposure on Adverse Pregnancy Outcomes. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:ijerph14060556. [PMID: 28545256 PMCID: PMC5486242 DOI: 10.3390/ijerph14060556] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 05/18/2017] [Accepted: 05/18/2017] [Indexed: 01/11/2023]
Abstract
Exposure to arsenic has a number of known detrimental health effects but impact on pregnancy outcomes is not as widely recognized. This narrative review examines existing epidemiological evidence investigating the association between arsenic exposure via drinking water and adverse pregnancy outcomes. We reviewed published epidemiological studies from around the world on impact of chronic arsenic exposure on spontaneous abortion, stillbirth, neonatal death, post neonatal death, low birth weight and preterm baby. Plausible mechanisms of arsenic toxicity causing adverse pregnancy outcomes were also determined through literature review. There is convincing evidence to support the association between high inorganic arsenic exposure (>50 ppb) and spontaneous abortion, stillbirth and low birth weight. Limitations of certain studies include study design, small sample size, recall constraints and exposure assessment. There needs to be further research investigating the dose metered impact of arsenic exposure on pregnancy outcomes. Further research on impact of low-moderate arsenic concentration exposure on pregnancy outcomes will allow for appropriate public health policy recommendations.
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Szymkowicz DB, Sims KC, Castro NM, Bridges WC, Bain LJ. Embryonic-only arsenic exposure in killifish (Fundulus heteroclitus) reduces growth and alters muscle IGF levels one year later. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 186:1-10. [PMID: 28237603 PMCID: PMC5395342 DOI: 10.1016/j.aquatox.2017.02.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2017] [Revised: 02/16/2017] [Accepted: 02/17/2017] [Indexed: 05/06/2023]
Abstract
Arsenic is a contaminant of drinking water and crops in many parts of the world. Epidemiological studies have shown that arsenic exposure is linked to decreased birth weight, weight gain, and proper skeletal muscle function. The goal of this study was to use killifish (Fundulus heteroclitus) as a model to determine the long-term effects of embryonic-only arsenic exposure on muscle growth and the insulin-like growth factor (IGF) pathway. Killifish embryos were exposed to 0, 50, 200 or 800ppb AsIII from fertilization until hatching. Juvenile fish were reared in clean water and muscle samples were collected at 16, 28, 40 and 52 weeks of age. There were significant reductions in condition factors, ranging from 12 to 17%, in the fish exposed to arsenic at 16, 28 and 40 weeks of age. However, by 52 weeks, no significant changes in condition factors were seen. Alterations in IGF-1R and IGF-1 levels were assessed as a potential mechanism by which growth was reduced. While there no changes in hepatic IGF-1 transcripts, skeletal muscle cells can also produce their own IGF-1 and/or alter IGF-1 receptor levels to help enhance growth. After a 200 and 800ppb embryonic exposure, fish grown in clean water for 16 weeks had IGF-1R transcripts that were 2.8-fold and 2-fold greater, respectively, than unexposed fish. Through 40 weeks of age, IGF1-R remained elevated in the 200ppb and 800ppb embryonic exposure groups by 1.8-3.9-fold, while at 52 weeks of age, IGF-1R levels were still significantly increased in the 800ppb exposure group. Skeletal muscle IGF-1 transcripts were also significantly increased by 1.9-5.1 fold through the 52 weeks of grow-out in clean by water in the 800ppb embryonic exposure group. Based on these results, embryonic arsenic exposure has long-term effects in that it reduces growth and increases both IGF-1 and IGF-1R levels in skeletal muscle even 1year after the exposure has ended.
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MESH Headings
- Animals
- Arsenic/toxicity
- Behavior, Animal/drug effects
- Embryonic Development/drug effects
- Environmental Exposure/analysis
- Female
- Fundulidae/embryology
- Fundulidae/genetics
- Fundulidae/growth & development
- Gene Expression Regulation, Developmental/drug effects
- Insulin-Like Growth Factor I/genetics
- Insulin-Like Growth Factor I/metabolism
- Muscle Fibers, Skeletal/drug effects
- Muscle Fibers, Skeletal/metabolism
- Muscle, Skeletal/drug effects
- Muscle, Skeletal/metabolism
- Pregnancy
- Prenatal Exposure Delayed Effects/genetics
- Prenatal Exposure Delayed Effects/metabolism
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Receptor, IGF Type 1/genetics
- Receptor, IGF Type 1/metabolism
- Water Pollutants, Chemical/toxicity
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Affiliation(s)
- Dana B Szymkowicz
- Environmental Toxicology Graduate Program, Clemson University, Clemson, SC, United States
| | - Kaleigh C Sims
- Environmental Toxicology Graduate Program, Clemson University, Clemson, SC, United States
| | - Noemi M Castro
- Department of Biochemistry and Molecular Biology, University of California-Davis, Davis, CA, United States
| | - William C Bridges
- Department of Mathematical Sciences, Clemson University, Clemson, SC, United States
| | - Lisa J Bain
- Environmental Toxicology Graduate Program, Clemson University, Clemson, SC, United States; Department of Biological Sciences, Clemson University, Clemson, SC, United States.
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Yin X, Wang L, Zhang Z, Fan G, Liu J, Sun K, Sun GX. Biomethylation and Volatilization of Arsenic by Model Protozoan Tetrahymena pyriformis under Different Phosphate Regimes. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:E188. [PMID: 28216593 PMCID: PMC5334742 DOI: 10.3390/ijerph14020188] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 02/09/2017] [Accepted: 02/10/2017] [Indexed: 11/16/2022]
Abstract
Tetrahymena pyriformis, a freshwater protozoan, is common in aquatic systems. Arsenic detoxification through biotransformation by T. pyriformis is important but poorly understood. Arsenic metabolic pathways (including cellular accumulation, effluxion, biomethylation, and volatilization) of T. pyriformis were investigated at various phosphate concentrations. The total intracellular As concentration increased markedly as the external phosphate concentration decreased. The highest concentration was 168.8 mg·kg-1 dry weight, after exposure to As(V) for 20 h. Inorganic As was dominant at low phosphate concentrations (3, 6, and 15 mg·L-1), but the concentration was much lower at 30 mg·L-1 phosphate, and As(V) contributed only ~7% of total cellular As. Methylated As contributed 84% of total As at 30 mg·L-1 phosphate, and dimethylarsenate (DMAs(V)) was dominant, contributing up to 48% of total As. Cellular As effluxion was detected, including inorganic As(III), methylarsenate (MAs(V)) and DMAs(V). Volatile As was determined at various phosphate concentrations in the medium. All methylated As concentrations (intracellular, extracellular, and volatilized) had significant linear positive relationships with the initial phosphate concentration. To the best of our knowledge, this is the first study of As biotransformation by protozoa at different phosphate concentrations.
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Affiliation(s)
- Xixiang Yin
- Jinan Research Academy of Environmental Sciences, Jinan 250014, China.
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China.
| | - Lihong Wang
- Shandong Analysis and Test Center, Shandong Academy of Sciences, Jinan 250014, China.
| | - Zhanchao Zhang
- Jinan Research Academy of Environmental Sciences, Jinan 250014, China.
| | - Guolan Fan
- Jinan Research Academy of Environmental Sciences, Jinan 250014, China.
| | - Jianjun Liu
- Jinan Research Academy of Environmental Sciences, Jinan 250014, China.
| | - Kaizhen Sun
- Jinan Research Academy of Environmental Sciences, Jinan 250014, China.
| | - Guo-Xin Sun
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
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Abstract
Supplemental Digital Content is available in the text. Background: The relationship between arsenic and birth weight is not well understood. The objective was to evaluate the causal relationship between prenatal arsenic exposure and birth weight considering the potential mediation effects of gestational age and maternal weight gain during pregnancy using structural equation models. Methods: A prospectively enrolled cohort of pregnant women was recruited in Bangladesh from 2008 to 2011. Arsenic was measured in personal drinking water at the time of enrollment (gestational age <16 weeks, N = 1,140) and in toenails collected ≤1 month postpartum (N = 624) using inductively coupled plasma mass spectrometry. Structural equation models estimated the direct and indirect effects of arsenic on birth weight with gestational age and maternal weight gain considered as mediating variables. Results: Every unit increase in natural log water arsenic was indirectly associated with decreased birth weight (β = −19.17 g, 95% confidence interval [CI]: −24.64, −13.69) after adjusting for other risk factors. This association was mediated entirely through gestational age (β = −17.37 g, 95% CI: −22.77, −11.98) and maternal weight gain during pregnancy (β = −1.80 g, 95% CI: −3.72, 0.13). When exposure was modeled using toenail arsenic concentrations, similar results were observed. Every increase in natural log toenail arsenic was indirectly associated with decreased birth weight (β = −15.72 g, 95% CI: −24.52, −6.91) which was mediated through gestational age (β = −13.59 g, 95% CI: −22.10, −5.07) and maternal weight gain during pregnancy (β = −2.13 g, 95% CI: −5.24, 0.96). Conclusion: Arsenic exposure during pregnancy was associated with lower birth weight. The effect of arsenic on birth weight appears to be mediated mainly through decreasing gestational age and to a lesser extent by lower maternal weight gain during pregnancy.
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Li H, Wang M, Liang Q, Jin S, Sun X, Jiang Y, Pan X, Zhou Y, Peng Y, Zhang B, Zhou A, Zhang Y, Chen Z, Cao J, Zhang H, Xia W, Zheng T, Cai Z, Li Y, Xu S. Urinary metabolomics revealed arsenic exposure related to metabolic alterations in general Chinese pregnant women. J Chromatogr A 2017; 1479:145-152. [DOI: 10.1016/j.chroma.2016.12.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 08/16/2016] [Accepted: 12/03/2016] [Indexed: 10/20/2022]
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Yu CW, Liao VHC. Transgenerational Reproductive Effects of Arsenite Are Associated with H3K4 Dimethylation and SPR-5 Downregulation in Caenorhabditis elegans. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:10673-10681. [PMID: 27579588 DOI: 10.1021/acs.est.6b02173] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Arsenic is a prevalent environmental toxin. Arsenic is associated with a wide variety of adverse effects; however, studies on whether As-induced toxicities can be transferred from parents to offspring have received little attention. Caenorhabditis elegans has become an important animal model in biomedical and environmental toxicology research. In this study, transgenerational reproductive toxicity by arsenite exposure and the underlying mechanisms in C. elegans were investigated over six generations (F0-F5). Following arsenite maternal exposure of the F0 generation, subsequent generations (F1-F5) were cultured under arsenite-free conditions. We found that the brood size of C. elegans was significantly reduced by arsenite exposure in F0 and that this reduction in brood size was also observed in the offspring generations (F1-F5), after the toxicant had been removed from the diet. In addition, adult worms from F0 and F1 generations accumulated arsenite and arsenate when F0 L4 larvae were exposed to arsenite for 24 h. We found that the mRNA level of H3K4me2 demethylase LSD/KDM1, spr-5, was significantly reduced in the F0 exposed generation and subsequent unexposed generations (F1-F3). Likewise, the mRNA levels of spr-5 were also significantly decreased in the F1-F3 generations. Moreover, dimethylation of global H3K4 was increased in the F0-F3 generations. Our study demonstrates that maternal arsenite exposure causes transgenerational reproductive effects in C. elegans, which might be associated with H3K4 dimethylation and SPR-5 downregulation.
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Affiliation(s)
- Chan-Wei Yu
- Department of Bioenvironmental Systems Engineering, National Taiwan University , No. 1 Roosevelt Road, Sec. 4, Taipei 106, Taiwan
| | - Vivian Hsiu-Chuan Liao
- Department of Bioenvironmental Systems Engineering, National Taiwan University , No. 1 Roosevelt Road, Sec. 4, Taipei 106, Taiwan
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Au F, Bielecki A, Blais E, Fisher M, Cakmak S, Basak A, Gomes J, Arbuckle TE, Fraser WD, Vincent R, Kumarathasan P. Blood metal levels and third trimester maternal plasma matrix metalloproteinases (MMPs). CHEMOSPHERE 2016; 159:506-515. [PMID: 27341154 DOI: 10.1016/j.chemosphere.2016.06.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 05/10/2016] [Accepted: 06/02/2016] [Indexed: 06/06/2023]
Abstract
While it is known that in utero exposure to environmental toxicants, namely heavy metals, can adversely affect the neonate, there remains a significant paucity of information on maternal biological changes specific to metal exposures during pregnancy. This study aims at identifying associations between maternal metal exposures and matrix metalloproteinases (MMPs) that are known to be engaged in pregnancy process. Third trimester maternal plasma (n = 1533) from a pregnancy cohort (Maternal-Infant Research on Environmental Chemicals Study, MIREC) were analyzed for MMP-1,-2,-7,-9 and -10 by affinity-based multiplex protein array analyses. Maternal metal concentrations (mercury, cadmium, lead, arsenic and manganese) in 1st and 3rd trimesters exhibited strong correlations (p < 0.05). Multivariate regression models were used to estimate odds ratio (OR) for the association between metal concentrations in quartiles and high (90%) and low (10%) maternal MMP levels. Significant (p < 0.05) metal exposure-related effects were observed with the different MMP isoform responses. MMP profiles were specific to the trimester at which the maternal blood metals were analyzed. Our findings suggest that the profiles of these MMP isoforms vary with the type of metal exposure, blood metal concentrations and the trimester at which metal levels were determined. These new findings on maternal metal-MMP relationships can guide future explorations on toxicity mechanisms relevant to metal exposure-mediated adverse birth outcomes.
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Affiliation(s)
- Felicia Au
- Interdisciplinary School of Health Sciences, Faculty of Health Science, University of Ottawa, Ottawa, ON, Canada; Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, ON, Canada
| | - Agnieszka Bielecki
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, ON, Canada
| | - Erica Blais
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, ON, Canada
| | - Mandy Fisher
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, ON, Canada
| | - Sabit Cakmak
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, ON, Canada
| | - Ajoy Basak
- Interdisciplinary School of Health Sciences, Faculty of Health Science, University of Ottawa, Ottawa, ON, Canada
| | - James Gomes
- Interdisciplinary School of Health Sciences, Faculty of Health Science, University of Ottawa, Ottawa, ON, Canada
| | - Tye E Arbuckle
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, ON, Canada
| | | | - Renaud Vincent
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, ON, Canada; Department of Biochemistry, Microbiology and immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Prem Kumarathasan
- Interdisciplinary School of Health Sciences, Faculty of Health Science, University of Ottawa, Ottawa, ON, Canada; Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, ON, Canada.
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