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Huang K, Lin M, Yi J, Liu G, Hua R, Liu Y, Qu Y, Chen C, Ma S. Comparison of prenatal and postnatal exposure to neonicotinoids and their temporal trends in breast milk. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 950:175386. [PMID: 39122045 DOI: 10.1016/j.scitotenv.2024.175386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 07/31/2024] [Accepted: 08/06/2024] [Indexed: 08/12/2024]
Abstract
Although the potential effects of neonicotinoids (NEOs) in early life have received considerable attention, data on the exposure of mothers and infants to NEOs are scarce. In this study, four parent NEOs and one metabolite were widely detected in paired maternal serum (MS), umbilical cord serum (UCS) and breast milk (BM) samples, with median total NEO concentrations (ΣNEOs) of 113, 160 and 69 ng/L, respectively. Decreasing trends were observed for N-desmethyl-acetamiprid (30 %/year), acetamiprid (22 %/year) and ΣNEOs (15 %/year) in breast milk between 2014 and 2022, whereas increasing trends were seen for clothianidin (17 %/year) and thiamethoxam (30 %/year). N-desmethyl-acetamiprid was the predominant compound in all matrices. However, the contributions of N-desmethyl-acetamiprid (35 %) and thiamethoxam (36 %) in breast milk were similar in 2022. Moreover, thiamethoxam has become the predominant contributor to the estimated daily intake of ΣNEOs since 2018, with the highest contribution of 71 % in 2022, suggesting the effects of NEOs continue to evolve and more attention should be paid to the new NEOs. Notably, the correlations and ratios of NEOs between paired UCS and MS were more significant and higher than those between paired BM and MS, respectively, indicating that NEO exposure was largely affected by the prenatal period.
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Affiliation(s)
- Kaiqin Huang
- School of Public Health, Guangzhou Medical University, Guangzhou 511436, PR China; School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Meiqing Lin
- School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, PR China.
| | - Jing Yi
- Department of Obstetrics and Gynecology, Guangdong Women and Children Hospital, Guangzhou 511400, PR China
| | - Guocheng Liu
- Department of Obstetrics and Gynecology, Guangdong Women and Children Hospital, Guangzhou 511400, PR China
| | - Rui Hua
- Reproductive Medicine Center, Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, PR China
| | - Yangyang Liu
- School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Yanji Qu
- Global Health Research Center, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou 510100, PR China
| | - Cairong Chen
- Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, Qingyuan 511500, PR China
| | - Shengtao Ma
- School of Public Health, Guangzhou Medical University, Guangzhou 511436, PR China; School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, PR China.
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Corn E, Andringa-Seed R, Williams ME, Arroyave-Wessel M, Tarud R, Vezina G, Podolsky RH, Kapse K, Limperopoulos C, Berl MM, Cure C, Mulkey SB. Feasibility and success of a non-sedated brain MRI training protocol in 7-year-old children from rural and semi-rural Colombia. Pediatr Radiol 2024; 54:1513-1522. [PMID: 38970708 DOI: 10.1007/s00247-024-05964-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 05/20/2024] [Accepted: 05/25/2024] [Indexed: 07/08/2024]
Abstract
BACKGROUND Brain magnetic resonance imaging (MRI) is a crucial tool for clinical evaluation of the brain and neuroscience research. Obtaining successful non-sedated MRI in children who live in resource-limited settings may be an additional challenge. OBJECTIVE To present a feasibility study of a novel, low-cost MRI training protocol used in a clinical research study in a rural/semi-rural region of Colombia and to examine neurodevelopmental factors associated with successful scans. MATERIALS AND METHODS Fifty-seven typically developing Colombian children underwent a training protocol and non-sedated brain MRI at age 7. Group training utilized a customized booklet, an MRI toy set, and a simple mock scanner. Children attended MRI visits in small groups of two to three. Resting-state functional and structural images were acquired on a 1.5-Tesla scanner with a protocol duration of 30-40 minutes. MRI success was defined as the completion of all sequences and no more than mild motion artifact. Associations between the Wechsler Preschool and Primary Scale of Intelligence (WPPSI), Movement Assessment Battery for Children (MABC), Behavioral Rating Inventory of Executive Function (BRIEF), Child Behavior Checklist (CBCL), and Adaptive Behavior Assessment System (ABAS) scores and MRI success were analyzed. RESULTS Mean (SD) age at first MRI attempt was 7.2 (0.2) years (median 7.2 years, interquartile range 7.1-7.3 years). Twenty-six (45.6%) participants were male. Fifty-one (89.5%) children were successful across two attempts; 44 (77.2%) were successful on their first attempt. Six (10.5%) were unsuccessful due to refusal or excessive motion. Age, sex, and scores across all neurodevelopmental assessments (MABC, TVIP, ABAS, BRIEF, CBCL, NIH Toolbox Flanker, NIH Toolbox Pattern Comparison, WPPSI) were not associated with likelihood of MRI success (P=0.18, 0.19, 0.38, 0.92, 0.84, 0.80, 1.00, 0.16, 0.75, 0.86, respectively). CONCLUSION This cohort of children from a rural/semi-rural region of Colombia demonstrated comparable MRI success rates to other published cohorts after completing a low-cost MRI familiarization training protocol suitable for low-resource settings. Achieving non-sedated MRI success in children in low-resource and international settings is important for the continuing diversification of pediatric research studies.
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Affiliation(s)
- Elizabeth Corn
- Zickler Family Prenatal Pediatrics Institute, Children's National Hospital, Washington DC, USA
| | - Regan Andringa-Seed
- Zickler Family Prenatal Pediatrics Institute, Children's National Hospital, Washington DC, USA
| | - Meagan E Williams
- Zickler Family Prenatal Pediatrics Institute, Children's National Hospital, Washington DC, USA
| | | | - Raul Tarud
- Sabbag Radiólogos, Barranquilla, Colombia
| | - Gilbert Vezina
- Division of Diagnostic Imaging and Radiology, Children's National Hospital, Washington DC, USA
| | - Robert H Podolsky
- Division of Biostatistics and Study Methodology, Children's National Hospital, Washington DC, USA
| | - Kushal Kapse
- Developing Brain Institute, Children's National Hospital, Washington DC, USA
| | - Catherine Limperopoulos
- Zickler Family Prenatal Pediatrics Institute, Children's National Hospital, Washington DC, USA
- Division of Diagnostic Imaging and Radiology, Children's National Hospital, Washington DC, USA
- Developing Brain Institute, Children's National Hospital, Washington DC, USA
- Department of Radiology, The George Washington University School of Medicine and Health Sciences, Washington DC, USA
- Department of Pediatrics, The George Washington University School of Medicine and Health Sciences, Washington DC, USA
| | - Madison M Berl
- Division of Pediatric Neuropsychology, Children's National Hospital, Washington DC, USA
- Department of Psychiatry and Behavioral Sciences, The George Washington University School of Medicine and Health Sciences, Washington DC, USA
| | | | - Sarah B Mulkey
- Zickler Family Prenatal Pediatrics Institute, Children's National Hospital, Washington DC, USA.
- Department of Pediatrics, The George Washington University School of Medicine and Health Sciences, Washington DC, USA.
- Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington DC, USA.
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Dhakshinamoorthy V, Vishali SPR, Elumalai S, Perumal E. Acute exposure to environmentally relevant concentrations of pharmaceutical pollutants induces neurobehavioral toxicity in zebrafish ( Danio rerio). Drug Chem Toxicol 2024:1-14. [PMID: 39072487 DOI: 10.1080/01480545.2024.2382451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 07/09/2024] [Accepted: 07/15/2024] [Indexed: 07/30/2024]
Abstract
Pharmaceutical waste from point and non-point sources enters, persists, or disseminates in the environment and is known as environmentally persistent pharmaceutical pollutants. Understanding the impacts of pharmaceutical pollutants on the environment and health is essential. This study investigates the behavioral impacts of pharmaceutical pollutants on aquatic organisms and delineates the possible nexus of oxidative stress. The male zebrafish were exposed to four major representative pharmaceutical pollutants, viz., acetaminophen, carbamazepine, metformin, and trimethoprim at environmentally relevant concentrations individually as well as in a mixture for seven days. Substantial alterations in social interaction, aggressive nature, novel tank exploration, and light and dark zone preferences were recorded and the degree varied to different pharmaceutical pollutants. The activity of oxidative stress markers, superoxide dismutase, glutathione-S-transferase, and catalase, was found to be suppressed to 66-20%, 42-25%, and 59-20% respectively with the elevated malondialdehyde generation (180-260%) compared to control. The activity level of acetylcholine esterase was found to be increased to 200-500% across all treatment groups. Despite the synergistic impacts of pharmaceutical pollutants on the whole system that could not be ascertained, this comprehensive study highlights their toxicity nature to induce neurobehavioral toxicity in zebrafish through oxidative stress mechanisms and altered cholinergic systems.
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Affiliation(s)
- Vasanth Dhakshinamoorthy
- Department of Nanobiotechnology, Molecular Environmental Toxicology Laboratory, PSG Institute of Advanced Studies, Coimbatore, India
- PG Research Department of Biotechnology, Microbiology & Bioinformatics, National College (Autonomous), Trichy, India
| | - S P R Vishali
- PG Research Department of Biotechnology, Microbiology & Bioinformatics, National College (Autonomous), Trichy, India
| | - Sriramakrishnan Elumalai
- PG Research Department of Biotechnology, Microbiology & Bioinformatics, National College (Autonomous), Trichy, India
| | - Ekambaram Perumal
- Department of Biotechnology, Molecular Toxicology Laboratory, Bharathiar University, Coimbatore, India
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Williams ME, Corn EA, Martinez Ransanz S, Berl MM, Andringa-Seed R, Mulkey SB. Neurodevelopmental assessments used to measure preschoolers' cognitive development in Latin America: a systematic review. J Pediatr Psychol 2024; 49:321-339. [PMID: 38244996 PMCID: PMC11098046 DOI: 10.1093/jpepsy/jsad089] [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: 05/02/2023] [Revised: 11/13/2023] [Accepted: 11/15/2023] [Indexed: 01/22/2024] Open
Abstract
OBJECTIVE The objective of this study was to systematically review the standardized neurodevelopmental assessments used to study preschool-aged children's cognitive development in Spanish-speaking Latin America. METHODS The authors systematically searched PubMed, PsycINFO, and ERIC databases for peer-reviewed articles from Spanish-speaking Latin American countries. Articles were included if they measured cognitive development among children aged 2-6 years using at least one standardized assessment tool; 97 articles were included and reviewed in accordance with PRISMA guidelines to assess their use of these tools. RESULTS Ninety-seven studies across 13 countries used a total of 41 assessments to measure cognitive development; most widely used were the Wechsler intelligence scales (n = 46/97), particularly the Wechsler Preschool and Primary Scale of Intelligence and Wechsler Intelligence Scale for Children (n = 23 and 29, respectively). Other common assessments included the McCarthy Scales of Children's Abilities (n = 9), Raven's Progressive Matrices (n = 9), Child Neuropsychological Assessment (n = 8), and Peabody Picture Vocabulary Test (n = 7). In regions where normative data for a given assessment were unpublished, authors commonly used norms from the United States, Mexico, or Spain or did not report standard scores in their analyses. CONCLUSIONS The wide range of tools used in these studies presents a challenge for generalizing results when measuring the neurodevelopment of Latin American preschool-aged children. The low availability of normative data for specific regions reveals concerns if some tools are culturally and linguistically appropriate even when Spanish is a common language, particularly in low-resource settings. Future work to forge greater consistency in the use of validated measures, clarity in reporting research methods, and publication of regional normative data would benefit the field.
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Affiliation(s)
- Meagan E Williams
- Prenatal Pediatrics Institute, Children’s National Hospital, Washington, DC, United States
| | - Elizabeth A Corn
- Prenatal Pediatrics Institute, Children’s National Hospital, Washington, DC, United States
| | - Santiago Martinez Ransanz
- Prenatal Pediatrics Institute, Children’s National Hospital, Washington, DC, United States
- Department of Emergency Medicine, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Madison M Berl
- Prenatal Pediatrics Institute, Children’s National Hospital, Washington, DC, United States
- Department of Psychiatry and Behavioral Sciences, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Regan Andringa-Seed
- Prenatal Pediatrics Institute, Children’s National Hospital, Washington, DC, United States
| | - Sarah B Mulkey
- Prenatal Pediatrics Institute, Children’s National Hospital, Washington, DC, United States
- Department of Neurology, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
- Department of Pediatrics, The George Washington University School of Medicine and Health Sciences, Washington, DC, United States
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He X, Yang Z, Wang L, Sun Y, Cao H, Liang Y. NeuTox: A weighted ensemble model for screening potential neuronal cytotoxicity of chemicals based on various types of molecular representations. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133443. [PMID: 38198870 DOI: 10.1016/j.jhazmat.2024.133443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 01/02/2024] [Accepted: 01/03/2024] [Indexed: 01/12/2024]
Abstract
Chemical-induced neurotoxicity has been widely brought into focus in the risk assessment of chemical safety. However, the traditional in vivo animal models to evaluate neurotoxicity are time-consuming and expensive, which cannot completely represent the pathophysiology of neurotoxicity in humans. Cytotoxicity to human neuroblastoma cell line (SH-SY5Y) is commonly used as an alternative to animal testing for the assessment of neurotoxicity, yet it is still not appropriate for high throughput screening of potential neuronal cytotoxicity of chemicals. In this study, we constructed an ensemble prediction model, termed NeuTox, by combining multiple machine learning algorithms with molecular representations based on the weighted score of Particle Swarm Optimization. For the test set, NeuTox shows excellent performance with an accuracy of 0.9064, which are superior to the top-performing individual models. The subsequent experimental verifications reveal that 5,5'-isopropylidenedi-2-biphenylol and 4,4'-cyclo-hexylidenebisphenol exhibited stronger SH-SY5Y-based cytotoxicity compared to bisphenol A, suggesting that NeuTox has good generalization ability in the first-tier assessment of neuronal cytotoxicity of BPA analogs. For ease of use, NeuTox is presented as an online web server that can be freely accessed via http://www.iehneutox-predictor.cn/NeuToxPredict/Predict.
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Affiliation(s)
- Xuejun He
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, School of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Zeguo Yang
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, School of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Ling Wang
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, School of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Yuzhen Sun
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, School of Environment and Health, Jianghan University, Wuhan 430056, China
| | - Huiming Cao
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, School of Environment and Health, Jianghan University, Wuhan 430056, China.
| | - Yong Liang
- Hubei Key Laboratory of Environmental and Health Effects of Persistent Toxic Substances, School of Environment and Health, Jianghan University, Wuhan 430056, China
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Queirolo EI, Kordas K, Martínez G, Ahmed Z, Barg G, Mañay N. Secular trends in blood lead concentrations of school-age children in Montevideo, Uruguay from 2009 to 2019. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 343:123160. [PMID: 38104764 PMCID: PMC10922799 DOI: 10.1016/j.envpol.2023.123160] [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: 08/22/2023] [Revised: 11/16/2023] [Accepted: 12/12/2023] [Indexed: 12/19/2023]
Abstract
Lead exposure continues to be a public health problem globally, yet very few countries perform systematic biomonitoring or surveillance of children's blood lead levels (BLLs). Secular trends in children's BLLs have not been well characterized outside North America and Europe. In 2009-19, we conducted a series of non-representative cross-sectional surveys in Montevideo, Uruguay, enrolling children living in areas of the city with known or suspected lead contamination. Lead was measured with atomic absorption spectrometry on fasting venous blood samples. Of the 856 children representing independent (non-sibling) observations, 759 had BLL measures. Other missing data were imputed. Using linear and logistic regression models, we estimated the covariate-adjusted year to year difference in mean BLL and the likelihood of having BLL ≥5 and BLL ≥3.5 μg/dL. At the start of the study, mean ± SD BLL was 4.8 ± 2.6 μg/dL, and at the end 1.4 ± 1.4 μg/dL. The prevalence of BLL ≥5 and BLL ≥3.5 μg/dL also differed markedly between 2009 and 2019 (30.8% vs. 2.7% and 53.8% vs. 5.8%). Similarly, where 80.8% of children had BLL ≥2 μg/dL in 2011, in 2019 that number was 19.3%. The estimated year to year difference in BLL was ∼0.3 μg/dL. Despite this progress, pediatric lead exposure remains a problem in Montevideo. In years 2015-19, between 19 and 48% of school children had BLL ≥2 μg/dL, a level at which adverse neurobehavioral outcomes continue to be reported in the literature. Continued prevention and risk-reduction efforts are needed in Montevideo, including systematic surveillance of BLLs in all children.
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Affiliation(s)
- Elena I Queirolo
- Department of Neuroscience and Learning, Faculty of Health Sciences, Catholic University of Uruguay, Montevideo, Uruguay.
| | - Katarzyna Kordas
- Department of Epidemiology and Environmental Health, University at Buffalo, Buffalo, NY, USA.
| | - Gabriela Martínez
- Department of Toxicology, Faculty of Chemistry, University of the Republic of Uruguay (UDELAR), Montevideo, Uruguay
| | - Zia Ahmed
- RENEW Institute, University at Buffalo, 106 Cooke Hall, Buffalo NY, USA.
| | - Gabriel Barg
- Department of Neuroscience and Learning, Faculty of Health Sciences, Catholic University of Uruguay, Montevideo, Uruguay.
| | - Nelly Mañay
- Department of Toxicology, Faculty of Chemistry, University of the Republic of Uruguay (UDELAR), Montevideo, Uruguay
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Shi LL, Hang JG, Lou J, Dong JJ, Feng H, Wang Z, Shen B, Nakayama SF, Kido T, Ma C, Sun XL, Jung CR. Multiple exposures to heavy metals and changes in steroid hormones production in 4-year-old children. JOURNAL OF EXPOSURE SCIENCE & ENVIRONMENTAL EPIDEMIOLOGY 2023; 33:865-873. [PMID: 36973528 DOI: 10.1038/s41370-023-00539-9] [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: 08/31/2022] [Revised: 03/07/2023] [Accepted: 03/14/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND Prenatal exposure to multiple heavy metals can interfere with early neurodevelopment, lead to changes in sex hormone concentrations in children, and affect female reproductive health. To date, the influence of prenatal exposure to heavy metals on the endocrine system of children in Chinese electronic waste (e-waste) recycling areas has not been elucidated. METHODS Four weeks after delivery, 10 mL of human milk was collected for analysis of three heavy metals (lead (Pb), cadmium (Cd), and mercury (Hg)) via inductively coupled plasma mass spectrometry (ICP-MS). Four serum steroid hormones, including progesterone, testosterone, androstenedione (A-dione), and dehydroepiandrosterone (DHEA), were analyzed in 4-year-old children (25 boys and 17 girls). A multiple linear regression (MLR) model was implemented to investigate the association between each individual metal and serum steroid hormone. The exposure-response relationships were explored by generalized additive models (GAMs). Additionally, a Bayesian kernel machine regression (BKMR) model was used to assess the effects of multiple heavy metal exposures on each steroid hormone. RESULTS The MLR results show a significant positive association between a natural log unit increase in Hg and DHEA levels after adjusting for confounders (β = 65.50, 95% confidence interval (CI) = 4.37, 126.62). According to the GAM, the univariate exposure-response relationship of Hg on DHEA was almost linear. However, this association was attenuated based on the multiple metal MLR and BKMR results after accounting for multiple heavy metal exposures. SIGNIFICANCE Prenatal Hg exposure may affect sex hormones in children by affecting DHEA levels. IMPACT STATEMENT Prenatal maternal exposure to Hg may have long-term effects on the next generation. Hence, regulatory measures to reduce Hg exposure and long-term monitoring of children's health in e-waste areas are needed.
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Affiliation(s)
- Li Li Shi
- School of Medicine, and Huzhou Key Laboratory for Precise Prevention and Control of Major Chronic Diseases, Huzhou University, Huzhou, China
- School of Medicine, Jiaxing University, Jiaxing, China
| | - Jin Guo Hang
- Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Taizhou, China
| | - Jianlin Lou
- School of Medicine, and Huzhou Key Laboratory for Precise Prevention and Control of Major Chronic Diseases, Huzhou University, Huzhou, China
| | | | - Hao Feng
- School of Medicine, Jiaxing University, Jiaxing, China
| | - Zheng Wang
- School of Medicine, Jiaxing University, Jiaxing, China
| | - Bin Shen
- School of Medicine, Jiaxing University, Jiaxing, China
| | - Shoji F Nakayama
- Japan Environment and Children's Study Programme Office, National Institute for Environmental Studies, Tsukuba, Japan
| | - Teruhiko Kido
- Faculty of Health Sciences, Institute of Medical, Pharmaceutical, and Health Sciences, Kanazawa University, Kanazawa, Japan
| | - Chaochen Ma
- Cancer Control Center, Osaka International Cancer Institute, Osaka, Japan
| | - Xian Liang Sun
- School of Medicine, and Huzhou Key Laboratory for Precise Prevention and Control of Major Chronic Diseases, Huzhou University, Huzhou, China.
- School of Medicine, Jiaxing University, Jiaxing, China.
- Faculty of Health Sciences, Institute of Medical, Pharmaceutical, and Health Sciences, Kanazawa University, Kanazawa, Japan.
| | - Chau-Ren Jung
- Japan Environment and Children's Study Programme Office, National Institute for Environmental Studies, Tsukuba, Japan.
- Department of Public Health, College of Public Health, China Medical University, Taichung, Taiwan.
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Feijó DM, Pires JF, Gomes RMR, Carlo EJF, Viana TNDL, Magalhães JR, Santos ACT, Rodrigues LD, Oliveira LF, dos Santos JCC. The impact of child poverty on brain development: does money matter? Dement Neuropsychol 2023; 17:e20220105. [PMID: 37577181 PMCID: PMC10417148 DOI: 10.1590/1980-5764-dn-2022-0105] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 04/15/2023] [Accepted: 05/17/2023] [Indexed: 08/15/2023] Open
Abstract
The development of the human nervous system makes up a series of fundamental and interdependent events involving birth, growth, and neuronal maturation, in addition to the positive or negative selection of synapses of these neurons that will participate in the composition of neural circuits essential to the activity of the nervous system. In this context, where environment and social relationships seem to be relevant markers for neurodevelopment, advanced neuroimaging techniques and behavioral assessment tools have demonstrated alterations in brain regions and cognitive functions among children developing in low or high socioeconomic status environments. Considering the aspects mentioned, this review aimed to identify the importance of socioeconomic status in children's brain development, seeking to identify what are the impacts of these factors on the morphological and physiological formation of the nervous system, allowing a greater understanding of the importance of environmental factors in neurodevelopmental processes.
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Rodriguez PM, Ondarza PM, Miglioranza KSB, Ramirez CL, Vera B, Muntaner C, Guiñazú NL. Pesticides exposure in pregnant Argentinian women: Potential relations with the residence areas and the anthropometric neonate parameters. CHEMOSPHERE 2023; 332:138790. [PMID: 37142107 DOI: 10.1016/j.chemosphere.2023.138790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 04/15/2023] [Accepted: 04/24/2023] [Indexed: 05/06/2023]
Abstract
Intrauterine environment is the first chemical exposure scenario in life, through transplacental transfer. In this study, the aim was to determine concentrations of organochlorine pesticides (OCPs) and selected current use pesticides in the placentas of pregnant women from Argentina. Socio-demographic information, the mother's lifestyle and neonatal characteristics were also analysed and related to pesticides residue concentrations. Thus, 85 placentas were collected at birth, from an area of intensive fruit production for the international market, in Patagonia Argentina. Concentrations of 23 pesticides including, trifluralin (herbicide), the fungicides chlorothalonil and HCB, and the insecticides chlorpyrifos, HCHs, endosulfans, DDTs, chlordanes, heptachlors, drins and metoxichlor, were determined by GC-ECD and GC-MS. Results were first analysed all together and then grouped by their residential settings, in urban and rural groups. Total mean pesticide concentration was 582.6 ± 1034.4 ng/g lw, where DDTs (325.9 ± 950.3 ng/g lw) and chlorpyrifos (188.4 ± 365.4 ng/g lw) showed a high contribution. Pesticide levels found exceeded those reported in low, middle and high income countries from Europe, Asia and Africa. In general, pesticides concentrations were not associated with neonatal anthropometric parameters. When the results were analysed by residence place, significantly higher concentrations of total pesticides and chlorpyrifos (Mann Whitney test p = 0.0003 and p = 0.032, respectively) were observed in placentas collected from mothers living in rural settings compared to urban areas. Rural pregnant women presented the highest pesticide burden (5.9 μg), where DDTs and chlorpyrifos were the major constituents. These results suggested that all pregnant women are highly exposed to complex pesticide mixtures, including banned OCPs and the widely used chlorpyrifos. Based on the pesticide concentrations found, our results warn of possible health impacts from prenatal exposure through transplacental transfer. This is one of the first reports of both chlorpyrifos and chlorothalonil concentrations in placental tissue, and contributes to the knowledge of current pesticide exposure in Argentina.
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Affiliation(s)
- Piuque M Rodriguez
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología Del Comahue (CITAAC), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Universidad Nacional Del Comahue, Buenos Aires 1400, Neuquén, 8300, Argentina
| | - Paola M Ondarza
- Laboratorio de Ecotoxicología y Contaminación Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar Del Plata-CONICET, Dean Funes 3350, Mar Del Plata, 7600, Argentina.
| | - Karina S B Miglioranza
- Laboratorio de Ecotoxicología y Contaminación Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar Del Plata-CONICET, Dean Funes 3350, Mar Del Plata, 7600, Argentina
| | - Critina L Ramirez
- Departamento de Química y Bioquímica, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar Del Plata-CONICET, Dean Funes 3350, Mar Del Plata, 7600, Argentina
| | - Berta Vera
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología Del Comahue (CITAAC), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Universidad Nacional Del Comahue, Buenos Aires 1400, Neuquén, 8300, Argentina; Facultad de Medicina, Universidad Nacional Del Comahue, Los Arrayanes y Av. Toschi, Cipolletti, 8324, Río Negro, Argentina
| | - Celeste Muntaner
- Facultad de Medicina, Universidad Nacional Del Comahue, Los Arrayanes y Av. Toschi, Cipolletti, 8324, Río Negro, Argentina
| | - Natalia L Guiñazú
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología Del Comahue (CITAAC), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Universidad Nacional Del Comahue, Buenos Aires 1400, Neuquén, 8300, Argentina; Departamento de Ciencias Del Ambiente, Facultad de Ciencias Del Ambiente y la Salud, Universidad Nacional Del Comahue, Buenos Aires 1400, Neuquén, 8300, Argentina
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Tang Y, Zhang J, Hu Z, Xu W, Xu P, Ma Y, Xing H, Niu Q. PRKAA1 induces aberrant mitophagy in a PINK1/Parkin-dependent manner, contributing to fluoride-induced developmental neurotoxicity. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 255:114772. [PMID: 36924562 DOI: 10.1016/j.ecoenv.2023.114772] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 03/02/2023] [Accepted: 03/11/2023] [Indexed: 06/18/2023]
Abstract
Chronic fluoride exposure can cause developmental neurotoxicity, however the precise mechanisms remain unclear. To explore the mechanism of mitophagy in fluoride-induced developmental neurotoxicity, specifically focusing on PRKAA1 in regulating the PINK1/Parkin pathway, we established a Sprage Dawley rat model with continuous sodium fluoride (NaF) exposure and an NaF-treated SH-SY5Y cell model. We found that NaF exposure increased the levels of LC3-Ⅱ and p62, impaired autophagic degradation, and subsequently blocked autophagic flux. Additionally, NaF exposure increased the expression of PINK1, Parkin, TOMM-20, and Cyt C and cleaved PARP in vivo and in vitro, indicating NaF promotes mitophagy and neuronal apoptosis. Meanwhile, phosphoproteomics and western blot analysis showed that NaF treatment enhanced PRKAA1 phosphorylation. Remarkably, the application of both 3-methyladenosine (3-MA; autophagy inhibitor) and dorsomorphin (DM; AMPK inhibitor) suppressed NaF-induced neuronal apoptosis by restoring aberrant mitophagy. In addition, 3-MA attenuated an increase in p62 protein levels and NaF-induced autophagic degradation. Collectively, our findings indicated that NaF causes aberrant mitophagy via PRKAA1 in a PINK1/Parkin-dependent manner, which triggers neuronal apoptosis. Thus, regulating PRKAA1-activated PINK1/Parkin-dependent mitophagy may be a potential treatment for NaF-induced developmental neurotoxicity.
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Affiliation(s)
- Yanling Tang
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Jingjing Zhang
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Zeyu Hu
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Wanjing Xu
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Panpan Xu
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Yue Ma
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Hengrui Xing
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Qiang Niu
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China.
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Rodríguez D, Barg G, Queirolo EI, Olson JR, Mañay N, Kordas K. Pyrethroid and Chlorpyrifos Pesticide Exposure, General Intellectual Abilities, and Executive Functions of School Children from Montevideo, Uruguay. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:5288. [PMID: 37047904 PMCID: PMC10093823 DOI: 10.3390/ijerph20075288] [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: 12/23/2022] [Revised: 02/23/2023] [Accepted: 03/04/2023] [Indexed: 06/01/2023]
Abstract
Children's developing brains are susceptible to pesticides. Less is known about the effect of exposure to chlorpyrifos and pyrethroids on executive functions (EF). We measured urinary 3,5,6-trichloro-2-pyridinol (TCPy), a metabolite of chlorpyrifos, and urinary 3-phenoxybenzoic acid (3-PBA), a general, nonspecific metabolite of pyrethroids in first-grade children from Montevideo, Uruguay (n = 241, age 80.6 ± 6.4 months, 58.1% boys). EFs were assessed with the Intra-dimensional/Extra-dimensional shift (IED), Spatial Span (SSP), and Stockings of Cambridge (SOC) tests from the Cambridge Neuropsychological Test Automated (CANTAB) Battery. General intellectual ability (GIA) was assessed using the Woodcock-Muñoz Cognitive battery. Median (range) urinary TCPy and 3-PBA levels were 16.7 (1.9, 356.9) ng/mg of creatinine and 3.3 (0.3, 110.6) ng/mg of creatinine, respectively. In multivariable generalized linear models, urinary TCPy was inversely associated with postdimensional errors on the IED task β [95% CI]: -0.11 [-0.17, -0.06]. Urinary 3-PBA was inversely associated with the total number of trials -0.07 [-0.10, -0.04], and the total number of errors -0.12 [-0.18, -0.07] on the IED task. When TCPy and 3-PBA were modeled together, the associations did not differ from single-metabolite models. We found no evidence of effect modification by blood lead level (BLL). Pesticide exposure may affect EF performance in urban children.
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Affiliation(s)
- Danelly Rodríguez
- Department of Epidemiology and Environmental Health, University at Buffalo, Buffalo, NY 14214, USA; (D.R.)
| | - Gabriel Barg
- Department of Neuroscience and Learning, Catholic University of Uruguay, Montevideo 11600, Uruguay
| | - Elena I. Queirolo
- Department of Neuroscience and Learning, Catholic University of Uruguay, Montevideo 11600, Uruguay
| | - James R. Olson
- Department of Epidemiology and Environmental Health, University at Buffalo, Buffalo, NY 14214, USA; (D.R.)
- Department of Pharmacology and Toxicology, University at Buffalo, Buffalo, NY 14214, USA
| | - Nelly Mañay
- Faculty of Chemistry, University of the Republic of Uruguay (UDELAR), Montevideo 11200, Uruguay
| | - Katarzyna Kordas
- Department of Epidemiology and Environmental Health, University at Buffalo, Buffalo, NY 14214, USA; (D.R.)
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12
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Chen S, Xiao X, Song X, Qi Z, Li Y. Prediction of cord blood leptin on infant's neurodevelopment: A birth cohort in rural Yunnan, China. Psychoneuroendocrinology 2023; 148:105955. [PMID: 36442291 DOI: 10.1016/j.psyneuen.2022.105955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 09/17/2022] [Accepted: 10/17/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND Leptin, one of the peptide hormones secreted by adipocytes, plays a vital part in metabolism, but its role in early-life neurodevelopment remains poorly understood. METHODS We performed leptin analysis on 323 cord blood samples collected from a birth cohort in Yunnan rural area, China, and assessed infants' neurodevelopment at one year of age by the Bayley Scales of Infant and Toddler Development-Third Edition (BSID-III). Multiple linear regression and binary logistic regression models were used to explore the associations between cord blood leptin (CBL) concentrations and infants' neurodevelopment and the ability of CBL to predict the probabilities of infants' neurodevelopment delay. RESULTS Overall, 323 infants were included in this study. The median concentration of CBL was 4.7 ng/ml. The proportion of 1-year-old infants identified as being neurodevelopmental delayed was 34.5%, and delays in cognitive, language, and motor domains were 11.1%, 26.6%, and 13.9%, respectively. Multiple linear regression analyses manifested that the CBL concentration (log10-transformed) was positively correlated with the cognitive, language, and motor composite scores in infants, respectively (β = 7.76, 95%CI: 3.81-11.71; β = 6.73, 95%CI: 3.41-10.06; and β = 6.88, 95%CI: 3.48-10.29, respectively). Binary logistic regression analysis showed that compared with the higher, lower CBL (< 4.7 ng/ml) yielded a 1.41-fold increase in the risk of language development delay (OR = 2.41,95%CI: 1.42-4.09), a 1.49-fold higher risk of motor development delay (OR = 2.49, 95%CI: 1.25-4.96), and a 1.71-fold higher risk of neurodevelopment delay (OR = 2.71, 95%CI: 1.64-4.48) among infants. The prediction models showed that the probabilities of development delay in infants' language, motor, and neurodevelopment increased with the decline of CBL concentrations [rs = -0.63 (95% CI: -0.71, -0.56), rs = -0.46 (95% CI: -0.55, -0.38), rs = -0.55 (95% CI: -0.63, -0.46), respectively]. CONCLUSION The decline of CBL was associated with the decrease in infants' neurodevelopment scores at one year of age. CBL below 4.7 ng/ml may increase the risk of infants' neurodevelopment delay. The probabilities of infants' neurodevelopment delay increased with the decrease of CBL concentrations. CBL may be a predictor of the probability of children's neurodevelopment delay.
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Affiliation(s)
- Shuqi Chen
- School of Public Health, Kunming Medical University, Kunming, China; Ministry of Child Health, Longgang District Maternity & Child Healthcare Hospital of Shenzhen, Shenzhen, Guangdong, China
| | - Xia Xiao
- School of Public Health, Kunming Medical University, Kunming, China
| | - Xiaoxiao Song
- School of Public Health, Kunming Medical University, Kunming, China
| | - Zhiye Qi
- School of Public Health, Kunming Medical University, Kunming, China; Department of Pediatrics, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Yan Li
- School of Public Health, Kunming Medical University, Kunming, China.
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13
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Mental health of UK firefighters. Sci Rep 2023; 13:62. [PMID: 36627314 PMCID: PMC9832123 DOI: 10.1038/s41598-022-24834-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 11/21/2022] [Indexed: 01/12/2023] Open
Abstract
Exposure to trauma, high-stress situations, and disrupted sleep are well known risk factors affecting firefighters' mental health. Little is known about the association between firefighters' exposure to fire contaminants and mental health disorders. The UK Firefighter Contamination Survey assessed firefighters' health and capacity for occupational exposure to contaminants. Participants were invited to anonymously complete its 64 questions online. Logistic regression analyses assessed the associations between self-reported mental health disorders and proxies of contaminant exposure. Results found that firefighters who notice soot in their nose/throat for more than a day after attending fires (Odds Ratio (OR) = 1.8, 1.4-2.4), and those who remain in their personal protective equipment (PPE) for over 4 h after fires (OR = 1.9, 1.2-3.1), were nearly twice as likely to report mental health disorders. Significantly increased odds ratios for all three outcomes of interest (anxiety, depression and/or any mental health disorders) were also found among firefighters who take PPE home to clean. Sleeping problems were reported by 61% of firefighters. These firefighters were 4.2 times more likely to report any mental health disorder (OR = 4.2, 3.7-4.9), 2.9 times more likely to report anxiety (OR = 2.9, 2.4-3.5) and 2.3 times more likely to report depression (OR = 2.3, 1.9-2.8) when compared to firefighters who did not report sleep issues. Effective decontamination measures within UK Fire and Rescue Services, together with firefighters' wellness, may play a crucial role in protecting firefighters' mental health.
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Azevedo LF, Karpova N, Rocha BA, Barbosa Junior F, Gobe GC, Hornos Carneiro MF. Evidence on Neurotoxicity after Intrauterine and Childhood Exposure to Organomercurials. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1070. [PMID: 36673825 PMCID: PMC9858833 DOI: 10.3390/ijerph20021070] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
Although the molecular mechanisms underlying methylmercury toxicity are not entirely understood, the observed neurotoxicity in early-life is attributed to the covalent binding of methylmercury to sulfhydryl (thiol) groups of proteins and other molecules being able to affect protein post-translational modifications from numerous molecular pathways, such as glutamate signaling, heat-shock chaperones and the antioxidant glutaredoxin/glutathione system. However, for other organomercurials such as ethylmercury or thimerosal, there is not much information available. Therefore, this review critically discusses current knowledge about organomercurials neurotoxicity-both methylmercury and ethylmercury-following intrauterine and childhood exposure, as well as the prospects and future needs for research in this area. Contrasting with the amount of epidemiological evidence available for methylmercury, there are only a few in vivo studies reporting neurotoxic outcomes and mechanisms of toxicity for ethylmercury or thimerosal. There is also a lack of studies on mechanistic approaches to better investigate the pathways involved in the potential neurotoxicity caused by both organomercurials. More impactful follow-up studies, especially following intrauterine and childhood exposure to ethylmercury, are necessary. Childhood vaccination is critically important for controlling infectious diseases; however, the safety of mercury-containing thimerosal and, notably, its effectiveness as preservative in vaccines are still under debate regarding its potential dose-response effects to the central nervous system.
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Affiliation(s)
- Lara Ferreira Azevedo
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-903, SP, Brazil
| | - Nina Karpova
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-903, SP, Brazil
| | - Bruno Alves Rocha
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-903, SP, Brazil
| | - Fernando Barbosa Junior
- Department of Clinical Analyses, Toxicology and Food Sciences, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-903, SP, Brazil
| | - Glenda Carolyn Gobe
- Kidney Disease Research Group, School of Medicine, Translational Research Institute, University of Queensland, 37 Kent Street, Woolloongabba, QLD 4102, Australia
| | - Maria Fernanda Hornos Carneiro
- Department of Pharmacy, Faculty of Chemistry and Pharmacy, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
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Ortega-García JA, Sánchez-Sauco MF, Zafra-Rodríguez JA, Cabrera-Rivera LT, Díaz-Martínez F, Llegus-Santiago EM, Delgado-Marín JL, Orenes-Piñero E, Kloosterman N, Bach A, Ojeda-Sánchez C, Ramis R. Subjective well-being, happiness, and environmental health factors related to women planning a pregnancy or pregnant, using mobile health intervention. Digit Health 2023; 9:20552076231177146. [PMID: 37284011 PMCID: PMC10240876 DOI: 10.1177/20552076231177146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 05/04/2023] [Indexed: 06/08/2023] Open
Abstract
Objectives To compare the environmental health results in women trying to get pregnant or pregnant using a mobile health application (Green Page) through healthcare professionals or self-completed by women, and to explore the relationship between the subjective well-being of these women with their lifestyles and environmental factors. Methods A descriptive study with mixed methods was conducted in 2018. A mobile health survey was used in two phases. Phase 1 was a cross-sectional study through professionals (n = 1100) followed by phase 2, a convenience sampling through women's self-reporting (n = 3425). A personalized report was downloadable with health recommendations for the well-being of the mother and child. Results Of the 3205 participants (mean age = 33 years, SD = 0.2 years), 1840 were planning a pregnancy and 1365 were pregnant. One in five pregnant women had a low level of happiness. Globally, subjective well-being and happiness were found to be negatively associated with lack of contact with nature, sedentary lifestyle, excess weight, environmental exposure, and older age in pregnancy. Precisely 45%, 60%, and 14% of women were exposed to tobacco, alcohol, and illegal drugs, respectively. The women self-reported levels of risk factors higher than when the tool was used by or through professionals. Conclusions The use of mobile health interventions focused on environmental health during planning or pregnancy periods could help improve the quality of healthcare and foster greater involvement of women in their self-care process, thus promoting empowerment, healthier environments, and lifestyles. Ensuring equity of access and data protection are global challenges to be addressed.
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Affiliation(s)
- Juan Antonio Ortega-García
- Department of Pediatrics, Global Alliance to Renaturalize Child and Adolescent Health (GreenRooting.org), Spanish Association of Pediatrics, IMIB Arrixaca, University of Murcia, Murcia, Spain
- Pediatric Environmental Health Speciality Unit (PEHSU), Department of Pediatrics, Clinical University Hospital Virgen of Arrixaca, El Palmar, Murcia, Spain
| | - Miguel Felipe Sánchez-Sauco
- Department of Pediatrics, Global Alliance to Renaturalize Child and Adolescent Health (GreenRooting.org), Spanish Association of Pediatrics, IMIB Arrixaca, University of Murcia, Murcia, Spain
- Pediatric Environmental Health Speciality Unit (PEHSU), Department of Pediatrics, Clinical University Hospital Virgen of Arrixaca, El Palmar, Murcia, Spain
| | - José Alberto Zafra-Rodríguez
- Department of Pediatrics, Global Alliance to Renaturalize Child and Adolescent Health (GreenRooting.org), Spanish Association of Pediatrics, IMIB Arrixaca, University of Murcia, Murcia, Spain
- TICARUM, University of Murcia, Murcia, Spain
| | - Laura Teresa Cabrera-Rivera
- Department of Pediatrics, Global Alliance to Renaturalize Child and Adolescent Health (GreenRooting.org), Spanish Association of Pediatrics, IMIB Arrixaca, University of Murcia, Murcia, Spain
- Department of Environmental Health, University of Puerto Rico-Medical Sciences Campus, San Juan, Puerto Rico
- International Exchange Program for Minority Student, Icahn School of Medicine at Mount Sinai, NY, USA
| | - Francisco Díaz-Martínez
- Department of Pediatrics, Global Alliance to Renaturalize Child and Adolescent Health (GreenRooting.org), Spanish Association of Pediatrics, IMIB Arrixaca, University of Murcia, Murcia, Spain
- Pediatric Environmental Health Speciality Unit (PEHSU), Department of Pediatrics, Clinical University Hospital Virgen of Arrixaca, El Palmar, Murcia, Spain
| | - Eduardo Manuel Llegus-Santiago
- Department of Pediatrics, Global Alliance to Renaturalize Child and Adolescent Health (GreenRooting.org), Spanish Association of Pediatrics, IMIB Arrixaca, University of Murcia, Murcia, Spain
- Department of Environmental Health, University of Puerto Rico-Medical Sciences Campus, San Juan, Puerto Rico
- International Exchange Program for Minority Student, Icahn School of Medicine at Mount Sinai, NY, USA
| | - Juan Luis Delgado-Marín
- Department of Obstetrics and Gynecology, Hospital Clínico Universitario Virgen Arrixaca, Fetal Medicine Unit Murcia, IMIB Arrixaca, Región de Murcia, Spain
| | - Esteban Orenes-Piñero
- Department of Pediatrics, Global Alliance to Renaturalize Child and Adolescent Health (GreenRooting.org), Spanish Association of Pediatrics, IMIB Arrixaca, University of Murcia, Murcia, Spain
- Departament of Biochemistry and Molecular Biology, University of Murcia, Murcia, Spain
| | - Nicole Kloosterman
- Department of Pediatrics, Global Alliance to Renaturalize Child and Adolescent Health (GreenRooting.org), Spanish Association of Pediatrics, IMIB Arrixaca, University of Murcia, Murcia, Spain
- MUSC Health University Medical Center, Charleston, SC, USA
| | - Albert Bach
- Department of Pediatrics, Global Alliance to Renaturalize Child and Adolescent Health (GreenRooting.org), Spanish Association of Pediatrics, IMIB Arrixaca, University of Murcia, Murcia, Spain
- Environment and Human Health Laboratory (EH2 Lab), Forest Science and Technology Center of Catalonia, Solsona, Spain
| | - Carlos Ojeda-Sánchez
- Department of Pediatrics, Global Alliance to Renaturalize Child and Adolescent Health (GreenRooting.org), Spanish Association of Pediatrics, IMIB Arrixaca, University of Murcia, Murcia, Spain
- Department of Preventive Medicine, Hospital General Universitario de Guadalajara, Guadalajara, Spain
| | - Rebecca Ramis
- Department of Pediatrics, Global Alliance to Renaturalize Child and Adolescent Health (GreenRooting.org), Spanish Association of Pediatrics, IMIB Arrixaca, University of Murcia, Murcia, Spain
- Cancer and Environmental Epidemiology Unit, National Epidemiology Centre, Carlos III Health Institute and Centre for Biomedical Research in Epidemiology & Public Health (CIBER Epidemiología y Salud Pública−CIBERESP), Madrid, Spain
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Zhao X, Zheng Q, Maes JHR. Educational mobility and older adults' working memory updating ability: association and role of resilience. Aging Ment Health 2022:1-8. [PMID: 36325945 DOI: 10.1080/13607863.2022.2141194] [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: 11/05/2022]
Abstract
OBJECTIVE Previous research revealed that a low childhood socioeconomic status, including low parental education, correlates with impaired executive functioning. However, there is a lack of research on the association of working memory updating (WMU) ability, which is one of the major components of executive functioning, and of resilience with educational mobility. The purpose of the present two studies was to further examine these associations. METHOD In Study 1, 180, 60-88-year old adults with different levels of educational mobility performed a WMU task. In Study 2, 130, 60-89-year old adults that had experienced different levels of upward educational mobility completed a WMU task and a resilience questionnaire. RESULTS Study 1 revealed that extent of educational mobility was significantly positively associated with WMU ability. Study 2 revealed significant positive associations among extent of educational mobility, resilience, and WMU task performance. CONCLUSION The results were discussed in terms of possible causal relations between the variables and implications for interventions that aim to enhance upward educational mobility and cognitive functioning in late adulthood.
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Affiliation(s)
- Xin Zhao
- School of Psychology, Northwest Normal University, Lanzhou, China
| | - Qiaoping Zheng
- School of Psychology, Northwest Normal University, Lanzhou, China
| | - Joseph H R Maes
- Donders Institute for Brain, Cognition and Behaviour, Centre for Cognition, Radboud University, Nijmegen, The Netherlands
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Wang Y, Li G, Wang Q, Chen X, Sun C. The kinetic reaction of anaerobic microbial chloerobenzenes degradation in contaminated soil. CHEMICAL ENGINEERING JOURNAL ADVANCES 2022. [DOI: 10.1016/j.ceja.2022.100414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
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Andersen HR, David A, Freire C, Fernández MF, D'Cruz SC, Reina-Pérez I, Fini JB, Blaha L. Pyrethroids and developmental neurotoxicity - A critical review of epidemiological studies and supporting mechanistic evidence. ENVIRONMENTAL RESEARCH 2022; 214:113935. [PMID: 35870501 DOI: 10.1016/j.envres.2022.113935] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 07/15/2022] [Accepted: 07/17/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Pyrethroid metabolites are widely detectable in urine from the general population, including pregnant women and children. Pyrethroids are neurotoxic and suggested endocrine disruptors. Exposure during vulnerable developmental time windows may have long-term impacts on neurodevelopment. OBJECTIVE To evaluate the epidemiological evidence for neurodevelopmental effects related to prenatal and childhood pyrethroid exposure in a systematic review and to assess biological plausibility by evaluating mechanistic evidence. METHODS We searched PubMed and Web of Science up to September 1, 2021 and included original studies published in English in which pyrethroid exposure was measured or estimated during pregnancy or childhood and associations with neurodevelopmental outcomes in the children were investigated. The Navigation Guide Systematic Review Methodology was used to evaluate the epidemiological evidence. For mechanistic evidence, we focused on relevant key events (KEs) suggested in Adverse Outcome Pathways (AOPs) using the OECD-supported AOP-wiki platform. A systematic search combining the KEs with pyrethroids, including 26 individual compounds, was performed in the ToxCast database. RESULTS Twenty-five epidemiological studies met the inclusion criteria, 17 presented findings on prenatal exposure, 10 on childhood exposure and two on both exposure windows. The overall body of evidence was rated as "moderate quality" with "sufficient evidence" for an association between prenatal pyrethroid exposure and adverse neurodevelopment. For childhood exposure, the overall rating was "low quality" with "limited evidence" because of cross-sectional study design. Regarding mechanistic evidence, we found that pyrethroids are able to interfere with neurodevelopmental KEs included in established AOPs for adverse neurodevelopmental. The evidence was strongest for interference with thyroid hormone (TH) function. CONCLUSION Pyrethroids are probably human developmental neurotoxicants and adverse impacts of pyrethroid exposure on neurodevelopment are likely at exposure levels occurring in the general population. Preventive measures to reduce exposure among pregnant women and children are warranted.
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Affiliation(s)
- Helle Raun Andersen
- Clinical Pharmacology, Pharmacy and Environmental Medicine, Department of Public Health, University of Southern Denmark, Odense, Denmark.
| | - Arthur David
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000, Rennes, France
| | - Carmen Freire
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012, Granada, Spain; CIBER de Epidemiología y Salud Pública (CIBERSP), Spain
| | - Mariana F Fernández
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012, Granada, Spain; CIBER de Epidemiología y Salud Pública (CIBERSP), Spain; Biomedical Research Center (CIBM); School of Medicine, University of Granada, 18016, Granada, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Spain
| | - Shereen Cynthia D'Cruz
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000, Rennes, France
| | - Iris Reina-Pérez
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012, Granada, Spain; CIBER de Epidemiología y Salud Pública (CIBERSP), Spain; Biomedical Research Center (CIBM); School of Medicine, University of Granada, 18016, Granada, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Spain
| | - Jean-Baptiste Fini
- Unité PhyMA laboratory, Adaptation du Vivant Department, UMR 7221 MNHN/CNRS, Sorbonne Université, Paris, 75005, France
| | - Ludek Blaha
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, Brno, Czech Republic
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A Call for Biomonitoring Systems in Latin America and the Caribbean: Considerations for Potentially Toxic Metals/Metalloids. Ann Glob Health 2022; 88:80. [PMID: 36185997 PMCID: PMC9479654 DOI: 10.5334/aogh.3637] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 06/10/2022] [Indexed: 11/21/2022] Open
Abstract
The Latin America and the Caribbean (LAC) region makes up 8.4% of the world’s population. Human biomonitoring (HBM) programs, which can shed light on population-level exposure to environmental contaminants such as toxic metals and thus, improve the health of the populations are inexistent in LAC countries. We call for the creation of HBM programs in the region and identify three viable design options for HBM at the individual level, through national surveys, newborn blood collection, and biobanks. We highlight some of challenges to the implementation of HBM programs, including financial and human resources, technical constrains (laboratory), sample, and data logistics. Finally, we provide the case studies of Brazil, Chile, Mexico, and Uruguay, to illustrate a range of responses to toxic metal exposure in non-occupational populations. Although different in many respects, the individual country responses share two commonalities: 1) academic centers drive the research to raise awareness of governmental entities; 2) reference levels are adapted from international norms rather than arising from the studied populations. Well-designed and sufficiently funded biomonitoring systems need to be established in each country of the LAC region. HBM programs are key to promoting human health by informing the public and contributing to policy processes that establish sustainable environmental controls and health prevention programs.
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Zúñiga-Venegas LA, Hyland C, Muñoz-Quezada MT, Quirós-Alcalá L, Butinof M, Buralli R, Cardenas A, Fernandez RA, Foerster C, Gouveia N, Gutiérrez Jara JP, Lucero BA, Muñoz MP, Ramírez-Santana M, Smith AR, Tirado N, van Wendel de Joode B, Calaf GM, Handal AJ, Soares da Silva A, Cortés S, Mora AM. Health Effects of Pesticide Exposure in Latin American and the Caribbean Populations: A Scoping Review. ENVIRONMENTAL HEALTH PERSPECTIVES 2022; 130:96002. [PMID: 36173136 PMCID: PMC9521041 DOI: 10.1289/ehp9934] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 08/08/2022] [Accepted: 08/12/2022] [Indexed: 05/23/2023]
Abstract
BACKGROUND Multiple epidemiological studies have shown that exposure to pesticides is associated with adverse health outcomes. However, the literature on pesticide-related health effects in the Latin American and the Caribbean (LAC) region, an area of intensive agricultural and residential pesticide use, is sparse. We conducted a scoping review to describe the current state of research on the health effects of pesticide exposure in LAC populations with the goal of identifying knowledge gaps and research capacity building needs. METHODS We searched PubMed and SciELO for epidemiological studies on pesticide exposure and human health in LAC populations published between January 2007 and December 2021. We identified 233 publications from 16 countries that met our inclusion criteria and grouped them by health outcome (genotoxicity, neurobehavioral outcomes, placental outcomes and teratogenicity, cancer, thyroid function, reproductive outcomes, birth outcomes and child growth, and others). RESULTS Most published studies were conducted in Brazil (37%, n = 88 ) and Mexico (20%, n = 46 ), were cross-sectional in design (72%, n = 167 ), and focused on farmworkers (45%, n = 105 ) or children (21%, n = 48 ). The most frequently studied health effects included genotoxicity (24%, n = 62 ) and neurobehavioral outcomes (21%, n = 54 ), and organophosphate (OP) pesticides were the most frequently examined (26%, n = 81 ). Forty-seven percent (n = 112 ) of the studies relied only on indirect pesticide exposure assessment methods. Exposure to OP pesticides, carbamates, or to multiple pesticide classes was consistently associated with markers of genotoxicity and adverse neurobehavioral outcomes, particularly among children and farmworkers. DISCUSSION Our scoping review provides some evidence that exposure to pesticides may adversely impact the health of LAC populations, but methodological limitations and inconsistencies undermine the strength of the conclusions. It is critical to increase capacity building, integrate research initiatives, and conduct more rigorous epidemiological studies in the region to address these limitations, better inform public health surveillance systems, and maximize the impact of research on public policies. https://doi.org/10.1289/EHP9934.
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Affiliation(s)
- Liliana A. Zúñiga-Venegas
- Centro de Investigaciones de Estudios Avanzados del Maule, Universidad Católica del Maule, Talca, Chile
| | - Carly Hyland
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley, Berkeley, California, USA
- School of Public Health and Population Science, Boise State University, Boise, Idaho, USA
| | - María Teresa Muñoz-Quezada
- Centro de Investigación en Neuropsicología y Neurociencias Cognitivas, Facultad de Ciencias de la Salud, Universidad Católica del Maule, Talca, Chile
| | - Lesliam Quirós-Alcalá
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, John Hopkins University, Baltimore, Maryland, USA
- Maryland Institute of Applied Environmental Health, School of Public Health, University of Maryland, College Park, Maryland, USA
| | - Mariana Butinof
- Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Rafael Buralli
- Departamento de Saúde Ambiental, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, Brasil
| | - Andres Cardenas
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Ricardo A. Fernandez
- Facultad de Ciencias de la Salud, Universidad Católica de Córdoba, Córdoba, Argentina
| | - Claudia Foerster
- Instituto de Ciencias de la Agroalimentarias, Animales y Ambientales, Universidad de O’Higgins, San Fernando, Chile
| | - Nelson Gouveia
- Departamento de Medicina Preventiva, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brasil
| | - Juan P. Gutiérrez Jara
- Centro de Investigaciones de Estudios Avanzados del Maule, Universidad Católica del Maule, Talca, Chile
| | - Boris A. Lucero
- Centro de Investigación en Neuropsicología y Neurociencias Cognitivas, Facultad de Ciencias de la Salud, Universidad Católica del Maule, Talca, Chile
| | - María Pía Muñoz
- Escuela de Salud Pública, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Muriel Ramírez-Santana
- Departamento de Salud Pública, Facultad de Medicina, Universidad Católica del Norte, Coquimbo, Chile
| | - Anna R. Smith
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Noemi Tirado
- Instituto de Genética, Facultad de Medicina, Universidad Mayor de San Andrés, Louisiana Paz, Bolivia
| | - Berna van Wendel de Joode
- Infants’ Environmental Health Study, Central American Institute for Studies on Toxic Substances, Universidad Nacional, Heredia, Costa Rica
| | - Gloria M. Calaf
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica, Chile
- Columbia University Medical Center, New York, New York, USA
| | - Alexis J. Handal
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
| | | | - Sandra Cortés
- Centro Avanzado de Enfermedades Crónicas (ACCDiS), Centro de Desarrollo Urbano Sustentable, Departamento de Salud Pública, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Ana M. Mora
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley, Berkeley, California, USA
- Infants’ Environmental Health Study, Central American Institute for Studies on Toxic Substances, Universidad Nacional, Heredia, Costa Rica
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21
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Jordan S, Bromley R, Damase-Michel C, Given J, Komninou S, Loane M, Marfell N, Dolk H. Breastfeeding, pregnancy, medicines, neurodevelopment, and population databases: the information desert. Int Breastfeed J 2022; 17:55. [PMID: 35915474 PMCID: PMC9343220 DOI: 10.1186/s13006-022-00494-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 06/27/2022] [Indexed: 11/16/2022] Open
Abstract
Background The pharmacoepidemiology of the long-term benefits and harms of medicines in pregnancy and breastfeeding has received little attention. The impact of maternal medicines on children is increasingly recognised as a source of avoidable harm. The focus of attention has expanded from congenital anomalies to include less visible, but equally important, outcomes, including cognition, neurodevelopmental disorders, educational performance, and childhood ill-health. Breastfeeding, whether as a source of medicine exposure, a mitigator of adverse effects or as an outcome, has been all but ignored in pharmacoepidemiology and pharmacovigilance: a significant ‘blind spot’. Whole-population data on breastfeeding: why we need them Optimal child development and maternal health necessitate breastfeeding, yet little information exists to guide families regarding the safety of medicine use during lactation. Breastfeeding initiation or success may be altered by medicine use, and breastfeeding may obscure the true relationship between medicine exposure during pregnancy and developmental outcomes. Absent or poorly standardised recording of breastfeeding in most population databases hampers analysis and understanding of the complex relationships between medicine, pregnancy, breastfeeding and infant and maternal health. The purpose of this paper is to present the arguments for breastfeeding to be included alongside medicine use and neurodevelopmental outcomes in whole-population database investigations of the harms and benefits of medicines during pregnancy, the puerperium and postnatal period. We review: 1) the current situation, 2) how these complexities might be accommodated in pharmacoepidemiological models, using antidepressants and antiepileptics as examples; 3) the challenges in obtaining comprehensive data. Conclusions The scarcity of whole-population data and the complexities of the inter-relationships between breastfeeding, medicines, co-exposures and infant outcomes are significant barriers to full characterisation of the benefits and harms of medicines during pregnancy and breastfeeding. This makes it difficult to answer the questions: ‘is it safe to breastfeed whilst taking this medicine’, and ‘will this medicine interfere with breastfeeding and/ or infants’ development’?
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Affiliation(s)
- Sue Jordan
- Faculty of Medicine, Health and Life Science, Swansea University, Swansea, Wales, UK.
| | - Rebecca Bromley
- Division of Neuroscience and Experimental Psychology, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.,Royal Manchester Children's Hospital, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - Christine Damase-Michel
- Faculté de Médecine, Center for Epidemiology and Research in POPulation Health (CERPOP), Université Toulouse III, CHU Toulouse INSERM, Pharmacologie Médicale, Toulouse, France
| | - Joanne Given
- Faculty Life & Health Sciences, University of Ulster, Co Antrim, Newtownabbey, N Ireland, UK
| | - Sophia Komninou
- Faculty of Medicine, Health and Life Science, Swansea University, Swansea, Wales, UK
| | - Maria Loane
- Faculty Life & Health Sciences, University of Ulster, Co Antrim, Newtownabbey, N Ireland, UK
| | - Naomi Marfell
- Faculty of Medicine, Health and Life Science, Swansea University, Swansea, Wales, UK
| | - Helen Dolk
- Faculty Life & Health Sciences, University of Ulster, Co Antrim, Newtownabbey, N Ireland, UK
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22
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Rovira J, Martínez MÁ, Mari M, Cunha SC, Fernandes JO, Marmelo I, Marques A, Haug LS, Thomsen C, Nadal M, Domingo JL, Schuhmacher M. Mixture of environmental pollutants in breast milk from a Spanish cohort of nursing mothers. ENVIRONMENT INTERNATIONAL 2022; 166:107375. [PMID: 35777115 DOI: 10.1016/j.envint.2022.107375] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 06/21/2022] [Accepted: 06/22/2022] [Indexed: 06/15/2023]
Abstract
Breastfeeding is one of the most effective ways to ensure child health and survival, with several benefits for both the infants and their mothers. However, breast milk can contain environmental pollutants with endocrine disruption capacity, neurotoxicity and/or potential to alter microbiota. Monitoring breast milk provides information on the current chemical exposure of breastfed infants and, in addition, on the current and historical exposure of nursing mothers. In this study, the levels of a wide range of pollutants were measured in breast milk of Spanish nursing mothers. Target chemicals were dichlorodiphenyltrichloroethane (DDT), dichlorodiphenyldichloroethylene (DDE), hexachlorobenzene (HCB), oxy-chlordane, polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), per- and poly-fluoroalkyl substances (PFASs) (including perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA)), chlorpyrifos, bisphenol A (BPA), tetrabromobisphenol A (TBBPA), and a number of toxic and essential elements. Traces of most chemicals were found. A correlation between the levels of some persistent organic pollutants (POPs) and maternal characteristics (age and body mass index) was observed, while smoking was associated to higher concentrations of some toxic elements. Higher levels of PCBs were detected in samples from Spanish primiparous mothers compared to non-Spanish multiparous women. Breast milk from low-income mothers showed higher content of DDT and DDE than high-income mothers. Although breastfeeding is clearly beneficial for babies, the exposure to this mixture of hazardous substances, as well as their interaction and combined effects must not be disregarded.
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Affiliation(s)
- Joaquim Rovira
- Environmental Engineering Laboratory, Departament d'Enginyeria Quimica, Universitat Rovira i Virgili, Av. Països Catalans 26, 43007 Tarragona, Catalonia, Spain; Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201 Reus, Catalonia, Spain
| | - María Ángeles Martínez
- Institut d'Investigació Sanitària Pere Virgili (IISPV), Reus, Spain; Universitat Rovira i Virgili, Departament de Bioquímica i Biotecnologia, Unitat de Nutrició, Reus, Spain; Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Institute of Health Carlos III, Madrid, Spain.
| | - Montse Mari
- Environmental Engineering Laboratory, Departament d'Enginyeria Quimica, Universitat Rovira i Virgili, Av. Països Catalans 26, 43007 Tarragona, Catalonia, Spain
| | - Sara Cristina Cunha
- LAQV-REQUIMTE, Laboratory of Bromatology and Hydrology, Faculty of Pharmacy, University of Porto, Portugal
| | - Jose Oliveira Fernandes
- LAQV-REQUIMTE, Laboratory of Bromatology and Hydrology, Faculty of Pharmacy, University of Porto, Portugal
| | - Isa Marmelo
- Division of Aquaculture, Upgrading and Bioprospection (DivAV), Portuguese Institute for the Sea and Atmosphere (IPMA, I.P.), Av. Doutor Alfredo Magalhães Ramalho 6, 1495-165 Lisboa, Portugal; Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Porto, Portugal; UCIBIO-REQUIMTE, Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
| | - António Marques
- Division of Aquaculture, Upgrading and Bioprospection (DivAV), Portuguese Institute for the Sea and Atmosphere (IPMA, I.P.), Av. Doutor Alfredo Magalhães Ramalho 6, 1495-165 Lisboa, Portugal; Interdisciplinary Centre of Marine and Environmental Research (CIIMAR), University of Porto, Porto, Portugal
| | - Line Småstuen Haug
- Norwegian Institute of Public Health, Division of Climate and Environmental Health, Oslo, Norway
| | - Cathrine Thomsen
- Norwegian Institute of Public Health, Division of Climate and Environmental Health, Oslo, Norway
| | - Martí Nadal
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201 Reus, Catalonia, Spain
| | - José L Domingo
- Laboratory of Toxicology and Environmental Health, School of Medicine, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201 Reus, Catalonia, Spain
| | - Marta Schuhmacher
- Environmental Engineering Laboratory, Departament d'Enginyeria Quimica, Universitat Rovira i Virgili, Av. Països Catalans 26, 43007 Tarragona, Catalonia, Spain
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Dobbins DL, Chen H, Cepeda MJ, Berenson L, Talton JW, Anderson KA, Burdette JH, Quandt SA, Arcury TA, Laurienti PJ. Comparing impact of pesticide exposure on cognitive abilities of Latinx children from rural farmworker and urban non-farmworker families in North Carolina. Neurotoxicol Teratol 2022; 92:107106. [PMID: 35654325 DOI: 10.1016/j.ntt.2022.107106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 05/25/2022] [Accepted: 05/26/2022] [Indexed: 11/17/2022]
Abstract
Pesticide exposure remains a health hazard despite extensive study into adverse effects. Children in vulnerable populations, such as Latinx children in farmworker families, are particularly at risk for exposure. Several studies have demonstrated the detrimental cognitive effects of prenatal exposure to pesticides, particularly organophosphates (OPs) within this high-risk group. However, results from studies investigating the cognitive effects of early childhood pesticide exposure are equivocal. Most studies examining the effects of pesticide exposure have used correlative analyses rather than examining populations with expected high and low exposure. The current study compares 8-year-old children from rural families of farmworkers and urban, non-farmworker families. We used the Weschler Intelligence Scale for Children - Fifth Edition (WISC-V) to assess cognitive performance in these children. We designed this study with the expectation that children from farmworker families would have greater exposure to agricultural pesticides than urban, non-farmworker children. This assumption of exposure to agricultural pesticides was confirmed in a recent report that assessed exposure probabilities using life history calendars. However, data from passive wristband sampling of acute (1-week) pesticide exposure from these same children indicate that both study populations have considerable pesticide exposure but to different chemicals. As expected the children of farmworkers had greater OP exposure than non-farmworker children, but the non-farmworker children had greater exposure to two other classes of insecticides (organochlorines [OCs] and pyrethroids). Our analyses considered these findings. A comparison of the cognitive scores between groups revealed that children from farmworker families had slightly higher performance on the Visual-Spatial Index (VSI) and Verbal Comprehension Index (VCI) when compared to children from non-farmworker families. Regression analyses where pesticide exposure was included as covariates revealed that OC exposure accounted for the largest portion of the group differences for both VSI and VCI. However, a post-hoc moderation analysis did not find significant interactions. The main study outcome was that the non-farmworker children exhibited lower WISC-V scores than the children from farmworker families, and the analyses incorporating pesticide exposure measures raise the hypothesis the that pervasive and persistent nature of a variety of pesticides may have adverse effects on the neurodevelopment of young Latinx children whether living in rural or non-farmworker environments.
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Affiliation(s)
- Dorothy L Dobbins
- Department of Radiology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA.
| | - Haiying Chen
- Department of Biostatistics and Data Sciences, Division of Public Health Sciences, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA.
| | - Milton J Cepeda
- Department of Psychological Services, Winston Salem Forsyth County Schools, Winston Salem, NC 27105, USA.
| | - Lesley Berenson
- Department of Psychiatry, Wake Forest Baptist Health, Winston-Salem, NC 27157, USA.
| | - Jennifer W Talton
- Department of Biostatistics and Data Sciences, Division of Public Health Sciences, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA.
| | - Kim A Anderson
- Department of Environmental and Molecular Toxicology, Oregon State University, 2750 SW Campus Way, Corvallis, OR 97331, USA.
| | - Jonathan H Burdette
- Department of Radiology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA.
| | - Sara A Quandt
- Department of Epidemiology and Prevention, Division of Public Health Sciences, and Center for Worker Health, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA.
| | - Thomas A Arcury
- Department of Family and Community Medicine and Center for Worker Health, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA.
| | - Paul J Laurienti
- Department of Radiology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA.
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Jarema KA, Hunter DL, Hill BN, Olin JK, Britton KN, Waalkes MR, Padilla S. Developmental Neurotoxicity and Behavioral Screening in Larval Zebrafish with a Comparison to Other Published Results. TOXICS 2022; 10:toxics10050256. [PMID: 35622669 PMCID: PMC9145655 DOI: 10.3390/toxics10050256] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/29/2022] [Accepted: 05/07/2022] [Indexed: 02/04/2023]
Abstract
With the abundance of chemicals in the environment that could potentially cause neurodevelopmental deficits, there is a need for rapid testing and chemical screening assays. This study evaluated the developmental toxicity and behavioral effects of 61 chemicals in zebrafish (Danio rerio) larvae using a behavioral Light/Dark assay. Larvae (n = 16–24 per concentration) were exposed to each chemical (0.0001–120 μM) during development and locomotor activity was assessed. Approximately half of the chemicals (n = 30) did not show any gross developmental toxicity (i.e., mortality, dysmorphology or non-hatching) at the highest concentration tested. Twelve of the 31 chemicals that did elicit developmental toxicity were toxic at the highest concentration only, and thirteen chemicals were developmentally toxic at concentrations of 10 µM or lower. Eleven chemicals caused behavioral effects; four chemicals (6-aminonicotinamide, cyclophosphamide, paraquat, phenobarbital) altered behavior in the absence of developmental toxicity. In addition to screening a library of chemicals for developmental neurotoxicity, we also compared our findings with previously published results for those chemicals. Our comparison revealed a general lack of standardized reporting of experimental details, and it also helped identify some chemicals that appear to be consistent positives and negatives across multiple laboratories.
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Affiliation(s)
- Kimberly A. Jarema
- Center for Public Health and Environmental Assessment, Immediate Office, Program Operations Staff, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA
- Correspondence: (K.A.J.); (S.P.); Tel.: +1-919-541-2299 (K.A.J.); +1-919-541-3956 (S.P.)
| | - Deborah L. Hunter
- Center for Computational Toxicology and Exposure, Biomolecular and Computational Toxicology Division, Rapid Assay Development Branch, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA; (D.L.H.); (J.K.O.)
| | - Bridgett N. Hill
- ORISE Research Participation Program Hosted by EPA, Center for Computational Toxicology and Exposure, Biomolecular and Computational Toxicology Division, Rapid Assay Development Branch, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA;
| | - Jeanene K. Olin
- Center for Computational Toxicology and Exposure, Biomolecular and Computational Toxicology Division, Rapid Assay Development Branch, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA; (D.L.H.); (J.K.O.)
| | - Katy N. Britton
- ORAU Research Participation Program Hosted by EPA, Center for Computational Toxicology and Exposure, Biomolecular and Computational Toxicology Division, Rapid Assay Development Branch, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA;
| | - Matthew R. Waalkes
- ORISE Research Participation Program Hosted by EPA, National Health and Environmental Effects Research Laboratory, Integrated Systems Toxicology Division, Genetic and Cellular Toxicology Branch, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA;
| | - Stephanie Padilla
- Center for Computational Toxicology and Exposure, Biomolecular and Computational Toxicology Division, Rapid Assay Development Branch, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA; (D.L.H.); (J.K.O.)
- Correspondence: (K.A.J.); (S.P.); Tel.: +1-919-541-2299 (K.A.J.); +1-919-541-3956 (S.P.)
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Nedelescu M, Stan M, Ciobanu AM, Bălălău C, Filippini T, Baconi D. Attention deficit among preschool and school-aged children living near former metal-processing plants in Romania. ENVIRONMENTAL RESEARCH 2022; 208:112689. [PMID: 34999026 DOI: 10.1016/j.envres.2022.112689] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 12/14/2021] [Accepted: 01/04/2022] [Indexed: 05/06/2023]
Abstract
Industrial areas affected by high and long-term heavy metal pollution have a great impact on health of the resident population. Children represent a group at high-risk with an increased susceptibility to chronic heavy metal intoxication. Our work included the assessment of attention particularities through a case-control study in pre-school and school-aged children (4-6 years and 8-11 years) from two study areas, Copşa Mică and Zlatna, compared to a non-polluted locality with no history of heavy metal pollution. Copşa Mică and Zlatna are two of the most polluted heavy metals regions in Romania due to non-ferrous metallurgy for a long period of time. Recruitment of participants was made by a random selection of an entire class for each age within the schools and kindergartens from the study areas (Copşa Mică and Zlatna) and from the non-polluted region. Interpretation of data was performed using statistical analysis (ANOVA and Student's t-test). Preschool children (4-6 years) were tested using Wechsler Preschool and Primary Scale of Intelligence (WPPSI) tests, Animal House and labyrinth samples. The results of the attention tests applied to pre-school children were lower in the study areas compared to the control group, but no statistical differences were found. The results of the attention tests applied to children aged between 8 and 11 years (Toulouse-Pieron test and Traffic light test) indicate lower average scores within the study groups from polluted areas, compared to the control group. Differences with statistically significance were registered for the 8 years age group (p = 0.037). In these areas efficient strategies and precise intervention measures are needed in order to limit or remove the heavy metal exposure and protect the human health, especially the groups exposed to a high level of risk.
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Affiliation(s)
- Mirela Nedelescu
- (")Carol Davila" University of Medicine and Pharmacy, Faculty of Medicine, 8 Eroii Sanitari Blvd, Bucharest, Romania; National Institute of Public Health, Department of Food Hygiene and Nutrition, 1-3 Dr. Leonte Street, Bucharest, Romania
| | - Miriana Stan
- "Carol Davila" University of Medicine and Pharmacy "Carol Davila", Faculty of Pharmacy, 6 Traian Vuia Street, Bucharest, Romania.
| | - Anne-Marie Ciobanu
- "Carol Davila" University of Medicine and Pharmacy "Carol Davila", Faculty of Pharmacy, 6 Traian Vuia Street, Bucharest, Romania
| | - Cristian Bălălău
- (")Carol Davila" University of Medicine and Pharmacy, Faculty of Medicine, 8 Eroii Sanitari Blvd, Bucharest, Romania
| | - Tommaso Filippini
- CREAGEN - Environmental, Genetic and Nutritional Epidemiology Research Center, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Via Campi 287, Modena, Italy
| | - Daniela Baconi
- "Carol Davila" University of Medicine and Pharmacy "Carol Davila", Faculty of Pharmacy, 6 Traian Vuia Street, Bucharest, Romania
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Han X, Tang Y, Zhang Y, Zhang J, Hu Z, Xu W, Xu S, Niu Q. Impaired V-ATPase leads to increased lysosomal pH, results in disrupted lysosomal degradation and autophagic flux blockage, contributes to fluoride-induced developmental neurotoxicity. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 236:113500. [PMID: 35421827 DOI: 10.1016/j.ecoenv.2022.113500] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 03/31/2022] [Accepted: 04/06/2022] [Indexed: 06/14/2023]
Abstract
Fluoride is capable of inducing developmental neurotoxicity, yet its mechanisms remain elusive. We aimed to explore the possible role and mechanism of autophagic flux blockage caused by abnormal lysosomal pH in fluoride-induced developmental neurotoxicity, focusing on the role of V-ATPase in regulating the neuronal lysosomal pH. Using Sprague-Dawley rats exposed to sodium fluoride (NaF) from gestation through delivery until the neonatal offspring reached six months of age as an in vivo model. The results showed that NaF impaired the cognitive abilities of the offspring rats. In addition, NaF reduced V-ATPase expression, diminished lysosomal degradation capacity and blocked autophagic flux, and increased apoptosis in the hippocampus of offspring. Consistently, these results were validated in SH-SY5Y cells incubated with NaF. Moreover, NaF increased the SH-SY5Y lysosomal pH. Mechanistically, V-ATPase B2 overexpression and ATP effectively restored V-ATPase expression, reducing NaF-induced lysosomal alkalinization while increasing lysosomal degradation capacity. Notably, those above pharmacological and molecular interventions diminished NaF-induced apoptosis by restoring autophagic flux. Collectively, the present findings suggested that NaF impairs the lysosomal pH raised by V-ATPase. This leads to reduced lysosomal degradation capacity and triggers autophagic flux blockage and apoptosis, thus contributing to neuronal death. Therefore, V-ATPase might be a promising indicator of developmental fluoride neurotoxicity.
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Affiliation(s)
- Xie Han
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Yanling Tang
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Yuanli Zhang
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Jingjing Zhang
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Zeyu Hu
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Wanjing Xu
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Shangzhi Xu
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China
| | - Qiang Niu
- Department of Preventive Medicine, School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Preventive Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; Key Laboratory of Xinjiang Endemic and Ethnic Diseases (Ministry of Education), School of Medicine, Shihezi University, Shihezi, Xinjiang, People's Republic of China; NHC Key Laboratory of Prevention and Treatment of Central Asia High Incidence Diseases (First Affiliated Hospital, School of Medicine, Shihezi University), People's Republic of China.
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Capelo R, Rohlman DS, Jara R, García T, Viñas J, Lorca JA, Contreras Llanes M, Alguacil J. Residence in an Area with Environmental Exposure to Heavy Metals and Neurobehavioral Performance in Children 9-11 Years Old: An Explorative Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19084732. [PMID: 35457599 PMCID: PMC9032432 DOI: 10.3390/ijerph19084732] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/10/2022] [Accepted: 04/12/2022] [Indexed: 01/25/2023]
Abstract
We explored the association between residence in an area polluted with metals and neurobehavioral performance in children aged 9 to 11. A cross-sectional study was conducted with thirty boys and thirty girls aged 9 to 11 from public schools in a heavily industrialized area, matched by age (±4 months) and gender with 15 boys and 15 girls from public schools in cities without relevant industrial activity. Neurobehavioral performance was assessed with the Behavioral Assessment and Research System. Linear regression models were used, adjusting for age, sex, social class and multimedia activities to predict each of the neurobehavioral outcome variables. No differences in neurobehavioral performance were found when all children with residence in areas with environmental exposure to metals were classified as exposed and the children from the other provinces as unexposed. However, when we compared children living <1 km from an industrial area with respect to those living more than 1 km away, significant differences were found. Children living <1 km away had lower scores on Finger Tapping (p = 0.03), Symbol-Digit (p = 0.07) and Continuous Performance (p = 0.02) than those living farther away. Our results support the hypothesis that residing close to an area with industrial activity (<1 km) is associated with deficits in neurobehavioral performance among children aged 9 to 11.
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Affiliation(s)
- Rocío Capelo
- Centro de Investigación en Recursos Naturales, Salud y Medio Ambiente (RENSMA), Universidad de Huelva, 21071 Huelva, Spain; (R.C.); (R.J.); (T.G.); (J.V.)
- Departamento de Sociología, Trabajo Social y Salud Pública, Universidad de Huelva, 21071 Huelva, Spain
| | - Diane S. Rohlman
- Center for Research on Occupational and Environmental Toxicology, Oregon Health & Science University, Portland, OR 97239, USA;
| | - Rocío Jara
- Centro de Investigación en Recursos Naturales, Salud y Medio Ambiente (RENSMA), Universidad de Huelva, 21071 Huelva, Spain; (R.C.); (R.J.); (T.G.); (J.V.)
| | - Tamara García
- Centro de Investigación en Recursos Naturales, Salud y Medio Ambiente (RENSMA), Universidad de Huelva, 21071 Huelva, Spain; (R.C.); (R.J.); (T.G.); (J.V.)
| | - Jesús Viñas
- Centro de Investigación en Recursos Naturales, Salud y Medio Ambiente (RENSMA), Universidad de Huelva, 21071 Huelva, Spain; (R.C.); (R.J.); (T.G.); (J.V.)
| | - José A. Lorca
- Departamento de Psicología Clínica, Experimental y Social, Universidad de Huelva, 21071 Huelva, Spain;
| | - Manuel Contreras Llanes
- Centro de Investigación en Recursos Naturales, Salud y Medio Ambiente (RENSMA), Universidad de Huelva, 21071 Huelva, Spain; (R.C.); (R.J.); (T.G.); (J.V.)
- Departamento de Sociología, Trabajo Social y Salud Pública, Universidad de Huelva, 21071 Huelva, Spain
- Correspondence: (M.C.L.); (J.A.); Tel.: +34-959-219-892 (M.C.L.); +34-959-219-890 (J.A.)
| | - Juan Alguacil
- Centro de Investigación en Recursos Naturales, Salud y Medio Ambiente (RENSMA), Universidad de Huelva, 21071 Huelva, Spain; (R.C.); (R.J.); (T.G.); (J.V.)
- Departamento de Sociología, Trabajo Social y Salud Pública, Universidad de Huelva, 21071 Huelva, Spain
- Consorcio de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), 28029 Madrid, Spain
- Correspondence: (M.C.L.); (J.A.); Tel.: +34-959-219-892 (M.C.L.); +34-959-219-890 (J.A.)
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Prenatal Exposure to Metals and Neurodevelopment in Infants at Six Months: Rio Birth Cohort Study of Environmental Exposure and Childhood Development (PIPA Project). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19074295. [PMID: 35409976 PMCID: PMC8998578 DOI: 10.3390/ijerph19074295] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 03/26/2022] [Accepted: 03/26/2022] [Indexed: 11/17/2022]
Abstract
The PIPA Project is a prospective birth cohort study based in Rio de Janeiro, Brazil, whose pilot study was carried out between October 2017 and August 2018. Arsenic (As), cadmium (Cd), lead (Pb), and mercury (Hg) concentrations were determined in maternal (n = 49) and umbilical cord blood (n = 46). The Denver Developmental Screening Test II (DDST-II) was applied in 50 six-month-old infants. Metals were detected in 100% of the mother and newborn samples above the limits of detection. Maternal blood lead concentrations were higher in premature newborns (GM: 5.72 µg/dL; p = 0.05). One-third of the infants (n = 17–35.4%) exhibited at least one fail in the neurodevelopment evaluation (fail group). Maternal blood arsenic concentrations were significantly (p = 0.03) higher in the “fail group” (GM: 11.85 µg/L) compared to infants who did not fail (not fail group) (GM: 8.47 µg/L). Maternal and umbilical cord blood arsenic concentrations were higher in all Denver Test’s domains in the “fail group”, albeit non-statistically significant, showing a tendency for the gross motor domain and maternal blood (p = 0.07). These findings indicate the need to further investigate the toxic effects of prenatal exposure to metals on infant neurodevelopment.
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Risk Factors for Brain Health in Agricultural Work: A Systematic Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19063373. [PMID: 35329061 PMCID: PMC8954905 DOI: 10.3390/ijerph19063373] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/04/2022] [Accepted: 03/07/2022] [Indexed: 11/26/2022]
Abstract
Certain exposures related to agricultural work have been associated with neurological disorders. To date, few studies have included brain health measurements to link specific risk factors with possible neural mechanisms. Moreover, a synthesis of agricultural risk factors associated with poorer brain health outcomes is missing. In this systematic review, we identified 106 articles using keywords related to agriculture, occupational exposure, and the brain. We identified seven major risk factors: non-specific factors that are associated with agricultural work itself, toluene, pesticides, heavy metal or dust exposure, work with farm animals, and nicotine exposure from plants. Of these, pesticides are the most highly studied. The majority of qualifying studies were epidemiological studies. Nigral striatal regions were the most well studied brain area impacted. Of the three human neuroimaging studies we found, two focused on functional networks and the third focused on gray matter. We identified two major directions for future studies that will help inform preventative strategies for brain health in vulnerable agricultural workers: (1) the effects of moderators such as type of work, sex, migrant status, race, and age; and (2) more comprehensive brain imaging studies, both observational and experimental, involving several imaging techniques.
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Rodrigues ACM, Barbieri MV, Chino M, Manco G, Febbraio F. A FRET Approach to Detect Paraoxon among Organophosphate Pesticides Using a Fluorescent Biosensor. SENSORS (BASEL, SWITZERLAND) 2022; 22:561. [PMID: 35062524 PMCID: PMC8778994 DOI: 10.3390/s22020561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/04/2022] [Accepted: 01/09/2022] [Indexed: 02/01/2023]
Abstract
The development of faster, sensitive and real-time methods for detecting organophosphate (OP) pesticides is of utmost priority in the in situ monitoring of these widespread compounds. Research on enzyme-based biosensors is increasing, and a promising candidate as a bioreceptor is the thermostable enzyme esterase-2 from Alicyclobacillus acidocaldarius (EST2), with a lipase-like Ser-His-Asp catalytic triad with a high affinity for OPs. This study aimed to evaluate the applicability of Förster resonance energy transfer (FRET) as a sensitive and reliable method to quantify OPs at environmentally relevant concentrations. For this purpose, the previously developed IAEDANS-labelled EST2-S35C mutant was used, in which tryptophan and IAEDANS fluorophores are the donor and the acceptor, respectively. Fluorometric measurements showed linearity with increased EST2-S35C concentrations. No significant interference was observed in the FRET measurements due to changes in the pH of the medium or the addition of other organic components (glucose, ascorbic acid or yeast extract). Fluorescence quenching due to the presence of paraoxon was observed at concentrations as low as 2 nM, which are considered harmful for the ecosystem. These results pave the way for further experiments encompassing more complex matrices.
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Affiliation(s)
- Andreia C. M. Rodrigues
- Institute of Biochemistry and Cell Biology, CNR, Via P. Castellino 111, 80131 Naples, Italy; (M.V.B.); (G.M.)
| | - Maria Vittoria Barbieri
- Institute of Biochemistry and Cell Biology, CNR, Via P. Castellino 111, 80131 Naples, Italy; (M.V.B.); (G.M.)
| | - Marco Chino
- Department of Chemical Sciences, University of Naples “Federico II”, 80126 Naples, Italy;
| | - Giuseppe Manco
- Institute of Biochemistry and Cell Biology, CNR, Via P. Castellino 111, 80131 Naples, Italy; (M.V.B.); (G.M.)
| | - Ferdinando Febbraio
- Institute of Biochemistry and Cell Biology, CNR, Via P. Castellino 111, 80131 Naples, Italy; (M.V.B.); (G.M.)
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31
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Ramírez V, Gálvez-Ontiveros Y, González-Domenech PJ, Baca MÁ, Rodrigo L, Rivas A. Role of endocrine disrupting chemicals in children's neurodevelopment. ENVIRONMENTAL RESEARCH 2022; 203:111890. [PMID: 34418446 DOI: 10.1016/j.envres.2021.111890] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 07/08/2021] [Accepted: 08/12/2021] [Indexed: 06/13/2023]
Abstract
Environmental stressors, like endocrine disrupting chemicals (EDC), are considered important contributors to the increased rates of neurodevelopmental dysfunctions. Considering the cumulative research on adverse neurodevelopmental effects associated with prenatal exposure to EDC, the purpose of this study was to review the available limited literature about the effects of postnatal exposure to EDC on child neurodevelopment and behaviour. Despite widespread children's exposure to EDC, there are a limited number of epidemiological studies on the association of this exposure with neurodevelopmental disorders, in particular in the postnatal period. The available research suggests that postnatal EDC exposure is related to adverse neurobehavioral outcomes in children; however the underlying mechanisms of action remain unclear. Timing of exposure is a key factor determining potential neurodevelopmental consequences, hence studying the impact of multiple EDC co-exposure in different vulnerable life periods could guide the identification of sensitive subpopulations. Most of the reviewed studies did not take into account sex differences in the EDC effects on children neurodevelopment. We believe that the inclusion of sex in the study design should be considered as the role of EDC on children neurodevelopment are likely sex-specific and should be taken into consideration when determining susceptibility and potential mechanisms of action.
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Affiliation(s)
- Viviana Ramírez
- Department of Nutrition and Food Science, University of Granada, Granada, Spain
| | - Yolanda Gálvez-Ontiveros
- Department of Nutrition and Food Science, University of Granada, Granada, Spain; Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain
| | - Pablo José González-Domenech
- Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain; Department of Psychiatry, University of Granada, Granada, Spain
| | | | - Lourdes Rodrigo
- Department of Legal Medicine and Toxicology, University of Granada, Granada, Spain.
| | - Ana Rivas
- Department of Nutrition and Food Science, University of Granada, Granada, Spain; Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain
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He X, Tu Y, Song Y, Yang G, You M. The relationship between pesticide exposure during critical neurodevelopment and autism spectrum disorder: A narrative review. ENVIRONMENTAL RESEARCH 2022; 203:111902. [PMID: 34416252 DOI: 10.1016/j.envres.2021.111902] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 08/15/2021] [Accepted: 08/16/2021] [Indexed: 06/13/2023]
Abstract
Agricultural pesticides have been one of the most extensively used compounds throughout the world. The main sources of contamination for humans are dietary intake and occupational exposure. The impairments caused by agricultural pesticide exposure have been a significant global public health problem. Recent studies have shown that low-level agricultural pesticide exposure during the critical period of neurodevelopment (pregnancy and lactation) is closely related to autism spectrum disorder (ASD). Inhibition of acetylcholinesterase, gut microbiota, neural dendrite morphology, synaptic function, and glial cells are targets for the effects of pesticides during nervous system development. In the present review, we summarize the associations between several highly used and frequently studied pesticides (e.g., glyphosate, chlorpyrifos, pyrethroids, and avermectins) and ASD. We also discusse future epidemiological and toxicological research directions on the relationship between pesticides and ASD.
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Affiliation(s)
- Xiu He
- School of Public Heath, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, PR China
| | - Ying Tu
- School of Public Heath, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, PR China
| | - Yawen Song
- School of Public Heath, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, PR China
| | - Guanghong Yang
- Guizhou Provincial Center for Disease Control and Prevention, Guiyang, Guizhou, 550004, PR China.
| | - Mingdan You
- School of Public Heath, the Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, Guizhou, 550025, PR China.
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de Santana Mota WJ, de Oliveira Santiago Santos G, Resende Dória A, Rubens Dos Reis Souza M, Krause LC, Salazar-Banda GR, Barrios Eguiluz KI, López JA, Hernández-Macedo ML. Enhanced HCB removal using bacteria from mangrove as post-treatment after electrochemical oxidation using a laser-prepared Ti/RuO 2-IrO 2-TiO 2 anode. CHEMOSPHERE 2021; 279:130875. [PMID: 34134435 DOI: 10.1016/j.chemosphere.2021.130875] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 04/29/2021] [Accepted: 05/08/2021] [Indexed: 06/12/2023]
Abstract
The environmental persistence of hexachlorobenzene (HCB) is a challenge that promotes studies for efficient treatment alternatives to minimize its environmental impact. Here, we evaluated the HCB removal by electrochemical, biological, and combined approaches. The electrochemical treatment of 4 μM HCB solutions was performed using a synthesized Ti/RuO2-IrO2-TiO2 anode, while the biological treatment using mangrove-isolated bacteria was at 24, 48, and 72 h. The HCB degradability was assessed by analyzing chemical oxygen demand (COD), microbial growth capacity in media supplemented with HCB as the only carbon source, gas chromatography, and ecotoxicity assay after treatments. The synthesized anode showed a high voltammetric charge and catalytic activity, favoring the HCB biodegradability. All bacterial isolates exhibited the ability to metabolize HCB, especially Bacillus sp. and Micrococcus luteus. The HCB degradation efficiency of the combined electrochemical-biological treatment was evidenced by a high COD removal percentage, the non-HCB detection by gas chromatography, and a decrease in ecotoxicity tested with lettuce seeds. The combination of electrochemical pretreatment with microorganism degradation was efficient to remove HCB, thereby opening up prospects for in situ studies of areas contaminated by this recalcitrant compound.
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Affiliation(s)
- Wanessa Jeane de Santana Mota
- Molecular Biology Laboratory, Research and Technology Institute - ITP, Aracaju, SE, Brazil; Industrial Biotechnology Graduation, Universidade Tiradentes, 49032-490, Aracaju, Brazil
| | - Gessica de Oliveira Santiago Santos
- Electrochemistry and Nanotechnology Laboratory, Research and Technology Institute - ITP, Aracaju, SE, Brazil; Processes Engineering Graduation - PEP, Universidade Tiradentes, 49032-490, Aracaju, SE, Brazil
| | - Aline Resende Dória
- Electrochemistry and Nanotechnology Laboratory, Research and Technology Institute - ITP, Aracaju, SE, Brazil; Processes Engineering Graduation - PEP, Universidade Tiradentes, 49032-490, Aracaju, SE, Brazil
| | - Michel Rubens Dos Reis Souza
- Materials Synthesis and Chromatography Laboratory, Research and Technology Institute - ITP, Aracaju, SE, Brazil; Industrial Biotechnology Graduation, Universidade Tiradentes, 49032-490, Aracaju, Brazil
| | - Laiza Canielas Krause
- Materials Synthesis and Chromatography Laboratory, Research and Technology Institute - ITP, Aracaju, SE, Brazil; Industrial Biotechnology Graduation, Universidade Tiradentes, 49032-490, Aracaju, Brazil
| | - Giancarlo Richard Salazar-Banda
- Electrochemistry and Nanotechnology Laboratory, Research and Technology Institute - ITP, Aracaju, SE, Brazil; Processes Engineering Graduation - PEP, Universidade Tiradentes, 49032-490, Aracaju, SE, Brazil
| | - Katlin Ivon Barrios Eguiluz
- Electrochemistry and Nanotechnology Laboratory, Research and Technology Institute - ITP, Aracaju, SE, Brazil; Processes Engineering Graduation - PEP, Universidade Tiradentes, 49032-490, Aracaju, SE, Brazil.
| | - Jorge A López
- Molecular Biology Laboratory, Research and Technology Institute - ITP, Aracaju, SE, Brazil; Industrial Biotechnology Graduation, Universidade Tiradentes, 49032-490, Aracaju, Brazil
| | - María Lucila Hernández-Macedo
- Molecular Biology Laboratory, Research and Technology Institute - ITP, Aracaju, SE, Brazil; Industrial Biotechnology Graduation, Universidade Tiradentes, 49032-490, Aracaju, Brazil
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Cortés S, Burgos S, Adaros H, Lucero B, Quirós-Alcalá L. Environmental Health Risk Perception: Adaptation of a Population-Based Questionnaire from Latin America. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18168600. [PMID: 34444349 PMCID: PMC8394931 DOI: 10.3390/ijerph18168600] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/01/2021] [Accepted: 08/05/2021] [Indexed: 11/16/2022]
Abstract
BACKGROUND: Environmental risk assessments and interventions to mitigate environmental risks are essential to protect public health. While the objective measurement of environmental hazards is important, it is also critical to address the subjective perception of health risks. A population’s perception of environmental health hazards is a powerful driving force for action and engagement in safety and health behaviors and can also inform the development of effective and more sustainable environmental health policies. To date, no instruments are available to assess risk perception of environmental health hazards in South America even though there are many concerning issues in the region, including mining. OBJECTIVE: We aimed to adapt and validate an environmental health risk perception questionnaire in a Chilean population affected by mining activity among other risks frequently reported in Latin American countries and included the collection of information on trust on public information sources. METHODS: We adapted an Australian risk perception questionnaire for validation in an adult population from a Chilean mining community. This adaptation included two blinded translations (direct, inverse), a pre-test study (n = 20) and a review by environmental health experts. Principal Component Analyses (PCA) was used to identify factors within major domains of interest. The Bartlett test of sphericity, Kaiser-Meyer-Olkin (KMO) measure and the Cronbach α test were used to assess the instrument’s validity and reliability. The instrument was pilot tested in 205 adults from a mining community in Chañaral. RESULTS: The final adapted questionnaire proved to be a good instrument to measure risk perception in a community chronically exposed to mining waste. For community risks, four factors explained 59.4% of the variance. “Global Issues” (30.2%) included air pollution, contamination of mining, ozone layer depletion and vector diseases. For personal risks, the first two components explained 59.5% of the variance, the main factor (36.7%) was “unhealthy behaviors within the household”. For trust in information, the first factor (36.2%) included as main sources “Media and authorities”. The Cronbach α ranged between 0.68 and 0.75; and the KMO test between 0.7 to 0.79 for community and personal risks and trust. CONCLUSIONS: The final questionnaire is a simple, reliable and useful instrument that can assist in evaluating environmental health risk perceptions in Latin American countries.
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Affiliation(s)
- Sandra Cortés
- Departamento de Salud Pública, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
- Advanced Center for Chronic Diseases (ACCDiS), Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
- Centro de Desarrollo Urbano Sustentable (CEDEUS), Pontificia Universidad Católica de Chile, Santiago 8331150, Chile
- Correspondence:
| | - Soledad Burgos
- School of Public Health, University of Chile, Santiago, 7500011, Chile;
| | - Héctor Adaros
- Hospital Jerónimo Méndez Arancibia, Chañaral 1490000, Chile;
| | - Boris Lucero
- The Neuropsychology and Cognitive Neurosciences Research Center (CINPSI Neurocog), Faculty of Health Sciences, Universidad Católica del Maule, Talca 3466076, Chile;
| | - Lesliam Quirós-Alcalá
- Johns Hopkins Bloomberg School of Public Health, Department of Environmental Health and Engineering, Johns Hopkins University, Baltimore, MD 21218, USA;
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35
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Suarez-Lopez JR, Cairns MR, Sripada K, Quiros-Alcala L, Mielke HW, Eskenazi B, Etzel RA, Kordas K. COVID-19 and children's health in the United States: Consideration of physical and social environments during the pandemic. ENVIRONMENTAL RESEARCH 2021; 197:111160. [PMID: 33852915 PMCID: PMC8542993 DOI: 10.1016/j.envres.2021.111160] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 03/12/2021] [Accepted: 04/07/2021] [Indexed: 05/08/2023]
Abstract
Public health measures necessary to counteract the coronavirus disease 2019 (COVID-19) pandemic have resulted in dramatic changes in the physical and social environments within which children grow and develop. As our understanding of the pathways for viral exposure and associated health outcomes in children evolves, it is critical to consider how changes in the social, cultural, economic, and physical environments resulting from the pandemic could affect the development of children. This review article considers the environments and settings that create the backdrop for children's health in the United States during the COVID-19 pandemic, including current threats to child development that stem from: A) change in exposures to environmental contaminants such as heavy metals, pesticides, disinfectants, air pollution and the built environment; B) changes in food environments resulting from adverse economic repercussion of the pandemic and limited reach of existing safety nets; C) limited access to children's educational and developmental resources; D) changes in the social environments at the individual and household levels, and their interplay with family stressors and mental health; E) social injustice and racism. The environmental changes due to COVID-19 are overlaid onto existing environmental and social disparities. This results in disproportionate effects among children in low-income settings and among populations experiencing the effects of structural racism. This article draws attention to many environments that should be considered in current and future policy responses to protect children's health amid pandemics.
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Affiliation(s)
- Jose R Suarez-Lopez
- Department of Family Medicine and Public Health, and Herbert Wertheim School of Public Health and Human Longevity, University of California San Diego, La Jolla, CA, USA.
| | - Maryann R Cairns
- Department of Anthropology, Dedman College of Humanities and Sciences, Southern Methodist University, Dallas, TX, USA
| | - Kam Sripada
- Centre for Global Health Inequalities Research, Norwegian University of Science and Technology, Trondheim, Norway
| | - Lesliam Quiros-Alcala
- Department of Environmental Health and Engineering, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Howard W Mielke
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Brenda Eskenazi
- Center for Environmental Research and Children's Health, School of Public Health, University of California, Berkeley, CA, USA
| | - Ruth A Etzel
- Milken Institute School of Public Health, The George Washington University, Washington, DC, 20052, USA
| | - Katarzyna Kordas
- Department of Epidemiology and Environmental Health, University at Buffalo, Buffalo, NY, 14214, USA
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36
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Dórea JG. Neurodevelopment and exposure to neurotoxic metal(loid)s in environments polluted by mining, metal scrapping and smelters, and e-waste recycling in low and middle-income countries. ENVIRONMENTAL RESEARCH 2021; 197:111124. [PMID: 33861977 DOI: 10.1016/j.envres.2021.111124] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 04/01/2021] [Accepted: 04/01/2021] [Indexed: 06/12/2023]
Abstract
This review covers a wide body of literature to gain an understanding of the impacts of informal activities related to metal extraction (primary mining and recycling) on early life exposure to neurotoxicants and on neurodevelopment. In primary mining, gold extraction with Hg amalgamation is the main environmental cause of Hg pollution in most artisanal small-scale gold mining (ASGM) activities around the world. Nevertheless, in Sub-Saharan Africa (SSA), Pb disrupted from gold-related ores, mining, and artisanal cookware production are an important neurotoxicant that seriously contaminates the affected population, with devastating effects on children. In e-waste recycling settings, the range of neurotoxic substances that contaminate mothers and children is wider than in primary mining environments. Thus, Hg and Pb are major pre- and postnatal neurotoxicants affecting children in the informal metal extraction activities and SSA countries show the highest record of human contamination and of neurotoxic effects on children. There are additional sources of neurotoxic contamination from mining and metal processing activities (cyanide tailing in South America and SSA) and/or co-exposure to Hg-containing products such as cosmetics (soaps and Hg-based skin lightning creams in Africa) and pediatric Thimerosal-containing vaccines (TCVs, that breaks down to ethyl-mercury) in current use in middle and low income countries. However, the action of these neurotoxicants (per se or in combination) on children needs more attention and research. Studies show a negative association between biomarkers of all environmental metal(loid)s (As, Cd, Hg, Mn, and Pb) studied and neurodevelopment in young children. Sadly, in many unregulated activities, child labor is widely employed, thus presenting an additional occupational exposure. Children living in polluted environments related to metal processing are disproportionately exposed to a wide range of co-occurring neurotoxic substances. The review showed compelling evidence from highly representative parts of the world (Africa, Asia, and Latin America) that the studied neurotoxic substances negatively affected areas of the brain associated with language, memory and executive function, as well as psychosocial behavior. Protecting the environment and children from unregulated and highly polluting metal extraction and processing are inextricably intertwined and deserve urgent attention.
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Affiliation(s)
- José G Dórea
- Universidade de Brasília, Brasília, 70919-970, DF, Brazil.
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