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Thépaut E, Bisson M, Brochot C, Personne S, Appenzeller BMR, Zaros C, Chardon K, Zeman F. PBPK modeling to support risk assessment of pyrethroid exposure in French pregnant women. ENVIRONMENTAL RESEARCH 2024; 251:118606. [PMID: 38460660 DOI: 10.1016/j.envres.2024.118606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/28/2024] [Accepted: 02/29/2024] [Indexed: 03/11/2024]
Abstract
BACKGROUND Pyrethroids are widely used pesticides and are suspected to affect children's neurodevelopment. The characterization of pyrethroid exposure during critical windows of development, such as fetal development and prenatal life, is essential to ensure a better understanding of pyrethroids potential effects within the concept of Developmental Origins of Health and Disease. OBJECTIVE The aim of this study was to estimate maternal exposure of French pregnant women from biomonitoring data and simulate maternal and fetal internal concentrations of 3 pyrethroids (permethrin, cypermethrin and deltamethrin) using a multi-substance pregnancy-PBPK (physiologically based pharmacokinetics) model. The estimated maternal exposures were compared to newly proposed toxicological reference values (TRV) children specific also called draft child-specific reference value to assess pyrethroid exposure risk during pregnancy i.e. during the in utero exposure period. METHODS A pregnancy-PBPK model was developed based on an existing adult pyrethroids model. The maternal exposure to each parent compound of pregnant women of the Elfe (French Longitudinal Study since Childhood) cohort was estimated by reverse dosimetry based on urinary biomonitoring data. To identify permethrin and cypermethrin contribution to their common urinary biomarkers of exposure, an exposure ratio based on biomarkers in hair was tested. Finally, exposure estimates were compared to current and draft child-specific reference values derived from rodent prenatal and postnatal exposure studies. RESULTS The main contributor to maternal pyrethroid diet intake is cis-permethrin. In blood, total internal concentrations main contributor is deltamethrin. In brain, the major contributors to internal pyrethroid exposure are deltamethrin for fetuses and cis-permethrin for mothers. Risk is identified only for permethrin when referring to the draft child-specific reference value. 2.5% of the population exceeded permethrin draft child-specific reference value. CONCLUSIONS A new reverse dosimetry approach using PBPK model combined with human biomonitoring data in urine and hair was proposed to estimate Elfe pregnant population exposure to a pyrethroids mixture with common metabolites.
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Affiliation(s)
- Elisa Thépaut
- Unité Toxicologie ExpérimentAle et Modélisation / Péritox (UMR_I 01), INERIS/UPJV, Institut National de l'Environnement Industriel et des Risques, 60550, Verneuil-en-Halatte, France
| | - Michèle Bisson
- Unité Expertise en Toxicologie / écotoxicologie des Substances Chimiques, INERIS, Institut National de l'Environnement Industriel et des Risques, 60550, Verneuil-en-Halatte, France
| | - Céline Brochot
- Unité Toxicologie ExpérimentAle et Modélisation / Péritox (UMR_I 01), INERIS/UPJV, Institut National de l'Environnement Industriel et des Risques, 60550, Verneuil-en-Halatte, France; Current affiliation: Certara UK Ltd, Simcyp Division, Sheffield, UK
| | - Stéphane Personne
- Péritox (UMR_I 01), UPJV/INERIS, Université de Picardie Jules Verne, 80025, Amiens, France
| | - Brice M R Appenzeller
- Human Biomonitoring Research Unit, Department of Precision Health, Luxembourg Institute of Health, 1 A-B rue Thomas Edison, L-1445, Strassen, Luxembourg
| | - Cécile Zaros
- UMS Elfe, INED French Institute for Demographic Studies, 93322, Aubervilliers CEDEX, France
| | - Karen Chardon
- Péritox (UMR_I 01), UPJV/INERIS, Université de Picardie Jules Verne, 80025, Amiens, France
| | - Florence Zeman
- Unité Toxicologie ExpérimentAle et Modélisation / Péritox (UMR_I 01), INERIS/UPJV, Institut National de l'Environnement Industriel et des Risques, 60550, Verneuil-en-Halatte, France.
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Nguyen HD, Hoang TL, Vu GH. An in silico investigation of the toxicological effects and biological activities of 3-phenoxybenzoic acid and its metabolite products. Xenobiotica 2024; 54:322-341. [PMID: 38833509 DOI: 10.1080/00498254.2024.2361457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 05/12/2024] [Accepted: 05/26/2024] [Indexed: 06/06/2024]
Abstract
We aimed to elucidate the toxic effects and biological activities of 3-phenoxybenzoic acid (3PBA) and its metabolite products. Numerous in silico methods were used to identify the toxic effects and biological activities of 3PBA, including PASS online, molecular docking, ADMETlab 2.0, ADMESWISS, MetaTox, and molecular dynamic simulation. Ten metabolite products were identified via Phase II reactions (O-glucuronidation, O-sulfation, and methylation). All of the investigated compounds were followed by Lipinski's rule, indicating that they were stimulants or inducers of hazardous processes. Because of their high gastrointestinal absorption and ability to reach the blood-brain barrier, the studied compounds' physicochemical and pharmacokinetic properties matched existing evidence of harmful effects, including haematemesis, reproductive dysfunction, allergic dermatitis, toxic respiration, and neurotoxicity. The studied compounds have been linked to the apoptotic pathway, the reproductivity system, neuroendocrine disruptors, phospholipid-translocating ATPase inhibitors, and JAK2 expression. An O-glucuronidation metabolite product demonstrated higher binding affinity and interaction with CYP2C9, CYP3A4, caspase 3, and caspase 8 than 3PBA and other metabolite products, whereas metabolite products from methylation were predominant and more toxic. Our in silico findings partly meet the 3Rs principle by minimizing animal testing before more study is needed to identify the detrimental effects of 3PBA on other organs (liver, kidneys). Future research directions may involve experimental validation of in silico predictions, elucidation of molecular mechanisms, and exploration of therapeutic interventions. These findings contribute to our understanding of the toxicological profile of 3PBA and its metabolites, which has implications for risk assessment and regulatory decisions.
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Affiliation(s)
- Hai Duc Nguyen
- Division of Microbiology, Tulane National Private Research Center, Tulane University, Covington, LA, USA
| | - Thuy Linh Hoang
- College of Pharmacy, California Northstate University College of Pharmacy, CA, USA
| | - Giang Huong Vu
- Department of Public Heath, Hong Bang Health Center, Hai Phong, Vietnam
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Wang Y, Hermetz K, Burt A, Kennedy EM, Lesseur C, Panuwet P, Fiedler N, Prapamontol T, Suttiwan P, Naksen W, B Barr D, Hao K, Chen J, Marsit CJ. Placental transcriptome variation associated with season, location, and urinary prenatal pyrethroid metabolites of Thai farm-working women. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 349:123873. [PMID: 38554839 PMCID: PMC11070292 DOI: 10.1016/j.envpol.2024.123873] [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: 11/21/2023] [Revised: 03/21/2024] [Accepted: 03/24/2024] [Indexed: 04/02/2024]
Abstract
Prenatal exposure to pyrethroids is linked to adverse health effects in early life and proper placental function is critical to fetal development. This study explores the impact of prenatal pyrethroid exposure, as well as factors impacting exposure and effect, on the placental transcriptome, to understand pyrethroid exposures' relationship to placental function. The study of Asian Women and their Offspring's Development and Environmental Exposures (SAWASDEE) recruited pregnant farm-working women from two agricultural districts in the Chiang Mai province of Thailand between 2017 and 2019. This cohort was predominantly exposed to cypermethrin (type II), alongside pyrethroids such as cyfluthrin (type II) and permethrin (type I). In 253 participants, maternal urinary pyrethroid metabolites, 3-phenoxybenzoic acid (PBA), cis-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropane carboxylic acid (CDCCA), and trans-3-(2,2-Dichlorovinyl)-2,2-dimethylcyclopropane carboxylic acid (TDCCA) were measured in early, middle, and late pregnancy and adjusted for urinary creatinine. The placental transcriptome was analyzed using RNA-Seq. Using generalized linear regression, we identified differentially expressed genes (DEGs) associated with the sum of each metabolite across pregnancy, as well as those associated with location of residence and season of birth. Pathway and upstream transcription factor analyses were performed to examine potential mechanisms associated with DEGs. Notably, TDCCA and CDCCA levels peaked in late pregnancy, with significant regional differences, particularly higher levels in the Fang region. Placental gene expression analysis showed no DEGs associated with individual metabolites at FDR<0.05. However, 251 DEGs by location, implicating immune response and oxidative phosphorylation pathways, were identified, while season of birth was associated with 2585 DEGs, over-represented in fibrosis signaling and metabolism pathways. Finally, transcription factor analysis identified 226 and 282 transcription factors associated with location and season, respectively, related to cell proliferation, differentiation, and the immune system. These alterations may have significant implications for fetal development and other pathologic processes, highlighting the importance of monitoring environmental exposures during pregnancy.
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Affiliation(s)
- Yewei Wang
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Karen Hermetz
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Amber Burt
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Elizabeth M Kennedy
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Corina Lesseur
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Parinya Panuwet
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Nancy Fiedler
- Rutgers University School of Public Health, Environmental and Occupational Health Sciences Institute, Piscataway, NJ, USA
| | - Tippawan Prapamontol
- Research Institute for Health Sciences, Chiang Mai University, Chiang Mai, Thailand
| | - Panrapee Suttiwan
- Life Di Center, Faculty of Psychology, Chulalongkorn University, Bangkok, Thailand
| | - Warangkana Naksen
- Faculty of Public Health, Chiang Mai University, Chiang Mai, Thailand
| | - Dana B Barr
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Ke Hao
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jia Chen
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Carmen J Marsit
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA.
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Conejo-Bolaños LD, Mora AM, Hernández-Bonilla D, Cano JC, Menezes-Filho JA, Eskenazi B, Lindh CH, van Wendel de Joode B. Prenatal current-use pesticide exposure and children's neurodevelopment at one year of age in the Infants' Environmental Health (ISA) birth cohort, Costa Rica. ENVIRONMENTAL RESEARCH 2024; 249:118222. [PMID: 38272290 PMCID: PMC11065598 DOI: 10.1016/j.envres.2024.118222] [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: 01/09/2024] [Accepted: 01/14/2024] [Indexed: 01/27/2024]
Abstract
BACKGROUND Pesticide exposure may affect young children's neurodevelopment, but only few cohort studies have addressed possible effects of non-organophosphate pesticides. OBJECTIVE We evaluated associations between prenatal current-use pesticide exposure and neurodevelopmental outcomes among 1-year-old children from the Infants' Environmental Health (ISA) birth cohort. METHODS To determine prenatal pesticide exposure, we measured biomarkers of pyrimethanil, chlorpyrifos, synthetic pyrethroids, and 2,4-D in urine samples among 355 women, 1-3 times during pregnancy. One-year post-partum, we evaluated children's neurodevelopment with the Bayley Scales of Infant and Toddler Development 3rd edition (BSID-III). We assessed associations between exposures and neurodevelopmental outcomes (composite and z-scores) using single-chemical linear regression models adjusted for possible confounders (maternal education, parity, sex, gestational age at birth, child age, HOME-score, location of assessment, biomarkers of mancozeb), and studied effect-modification by sex. We evaluated non-linear associations of multiple pesticide exposures with Bayesian kernel machine regression (BKMR). RESULTS We found higher prenatal urinary 2,4-D concentrations were associated with lower language (βper ten-fold increase = -2.0, 95 % confidence interval (CI) = -3.5, -0.5) and motor (βper ten-fold increase = -2.2, 95 %CI = -4.2, -0.1) composite scores among all children. Also, higher chlorpyrifos exposure [measured as urinary 3,5,6-trichloro-2-pyridinol (TCPy)] was associated with lower cognitive composite scores (βper ten-fold increase = -1.9, 95 %CI = -4.7, 0.8), and lower motor composite scores among boys (βper ten-fold increase = -3.8, 95 % CI = -7.7, 0.1) but not girls (βper ten-fold increase = 2.3, 95 %CI = -1.6, 6.3, pINT = 0.11). Finally, higher pyrimethanil was associated with lower language abilities among girls, but not boys. Pyrethroid metabolite concentrations did not explain variability in BSID-III composite scores. Associations were similar for BSID-III z-scores, and we found no evidence for non-linear associations or mixture effects. DISCUSSION Prenatal exposure to common-use pesticides may affect children's neurodevelopment at 1-year of age, some effects may be sex-specific.
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Affiliation(s)
- L Diego Conejo-Bolaños
- Infants' Environmental Health Study (ISA), Central American Institute for Studies on Toxic Substances (IRET), Universidad Nacional, Heredia, Costa Rica; Institute for Interdisciplinary Studies in Childhood and Adolescence (INEINA), Universidad Nacional, Heredia, Costa Rica
| | - Ana M Mora
- Infants' Environmental Health Study (ISA), Central American Institute for Studies on Toxic Substances (IRET), Universidad Nacional, Heredia, Costa Rica; Center for Environmental Research and Community Health (CERCH), University of California at Berkeley, United States
| | | | - Juan Camilo Cano
- Infants' Environmental Health Study (ISA), Central American Institute for Studies on Toxic Substances (IRET), Universidad Nacional, Heredia, Costa Rica
| | - José A Menezes-Filho
- Laboratory of Toxicology, College of Pharmacy, Federal University of Bahia, Av. Barão de Jeremoabo s/n Campus, Universitário de Ondina, 40170-115, Salvador, Bahia, Brazil
| | - Brenda Eskenazi
- Center for Environmental Research and Community Health (CERCH), University of California at Berkeley, United States
| | - Christian H Lindh
- Division of Occupational and Environmental Medicine, Institute of Laboratory Medicine, Lund University, SE-221 85, Lund, Sweden
| | - Berna van Wendel de Joode
- Infants' Environmental Health Study (ISA), Central American Institute for Studies on Toxic Substances (IRET), Universidad Nacional, Heredia, Costa Rica.
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Normann SS, Beck IH, Nielsen F, Andersen MS, Bilenberg N, Jensen TK, Andersen HR. Prenatal exposure to pyrethroids and chlorpyrifos and IQ in 7-year-old children from the Odense Child Cohort. Neurotoxicol Teratol 2024; 103:107352. [PMID: 38636567 DOI: 10.1016/j.ntt.2024.107352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 03/07/2024] [Accepted: 04/08/2024] [Indexed: 04/20/2024]
Abstract
BACKGROUND Organophosphates and pyrethroids are two major groups of insecticides used for crop protection worldwide. They are neurotoxicants and exposure during vulnerable windows of brain development may have long-term impact on human neurodevelopment. Only few longitudinal studies have investigated associations between prenatal exposure to these substances and intelligence quotient (IQ) at school age in populations with low, mainly dietary, exposure. OBJECTIVE To investigate associations between maternal urinary concentrations of insecticide metabolites at gestational week 28 and IQ in offspring at 7-years of age. MATERIALS AND METHODS Data was derived from the Odense Child Cohort (OCC). Metabolites of chlorpyrifos (TCPy) and pyrethroids (3-PBA, cis- and trans-DCCA, 4-F-3PBA, cis-DBCA) were measured in maternal urine collected at gestational week (GW) 28. An abbreviated version of the Danish Wechsler Intelligence Scale for Children fifth edition (WISC-V) consisting of four subtests to estimate full scale IQ (FSIQ) was administered by trained psychologists. Data were analyzed by use of multiple linear regression and adjusted for confounders. RESULTS 812 mother/child-pairs were included. Median concentrations were 0.21 μg/L for 3-PBA, 1.67 μg/L for TCPy and the mean IQ for children were 99.4. Null association between maternal 3-PBA and child IQ at 7 years was seen, but with trends suggesting an inverse association. There was a significant association for maternal TCPy and child IQ at mid-level exposure. Trans-DCCA above the level of detection (LOD) was also associated with slightly lower child IQ, but the association was also not statistically significant. CONCLUSIONS We found no significant associations between maternal 3-PBA metabolites and child IQ at 7 years, but with trends suggesting an inverse association. A non-significant trend between maternal TCPy exposure and child IQ in 7-year-children was seen even in this low exposed population. Given the widespread exposure and increasing use of insecticides, this should be elaborated in future studies.
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Affiliation(s)
- Stine Søgaard Normann
- Department of Clinical Pharmacology, Pharmacy and Environmental Medicine, Institute of Public Health, University of Southern Denmark, Odense, Denmark.
| | - Iben Have Beck
- Department of Clinical Pharmacology, Pharmacy and Environmental Medicine, Institute of Public Health, University of Southern Denmark, Odense, Denmark
| | - Flemming Nielsen
- Department of Clinical Pharmacology, Pharmacy and Environmental Medicine, Institute of Public Health, University of Southern Denmark, Odense, Denmark
| | | | - Niels Bilenberg
- Department of Child and Adolescent Psychiatry, Mental Health Services in Region of Southern Denmark, University of Southern Denmark, Odense, Denmark
| | - Tina Kold Jensen
- Department of Clinical Pharmacology, Pharmacy and Environmental Medicine, Institute of Public Health, University of Southern Denmark, Odense, Denmark; Hans Christian Andersen Children's Hospital, Odense University Hospital, Odense, Denmark; OPEN Patient data Explorative Network, Odense, Denmark
| | - Helle Raun Andersen
- Department of Clinical Pharmacology, Pharmacy and Environmental Medicine, Institute of Public Health, University of Southern Denmark, Odense, Denmark
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Arsuffi-Marcon R, Souza LG, Santos-Miranda A, Joviano-Santos JV. Neurotoxicity of Pyrethroids in neurodegenerative diseases: From animals' models to humans' studies. Chem Biol Interact 2024; 391:110911. [PMID: 38367681 DOI: 10.1016/j.cbi.2024.110911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/15/2024] [Accepted: 02/08/2024] [Indexed: 02/19/2024]
Abstract
Neurodegenerative diseases are associated with diverse symptoms, both motor and mental. Genetic and environmental factors can trigger neurodegenerative diseases. Chemicals as pesticides are constantly used in agriculture and also domestically. In this regard, pyrethroids (PY), are a class of insecticides in which its main mechanism of action is through disruption of voltage-dependent sodium channels function in insects. However, in mammals, they can also induce oxidative stress and enzyme dysfunction. This review investigates the association between PY and neurodegenerative diseases as Alzheimer's, Huntington's, Parkinson's, Amyotrophic Lateral Sclerosis, and Autism in animal models and humans. Published works using specific and non-specific models for these diseases were selected. We showed a tendency toward the development and/or aggravating of these neurodegenerative diseases following exposure to PYs. In animal models, the biochemical mechanisms of the diseases and their interaction with the insecticides are more deeply investigated. Nonetheless, only a few studies considered the specific model for each type of disease to analyze the impacts of the exposure. The choice of a specific model during the research is an important step and our review highlights the knowledge gaps of PYs effects using these models reinforcing the importance of them during the design of the experiments.
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Affiliation(s)
- Rafael Arsuffi-Marcon
- Center for Mathematics, Computing, and Cognition (CMCC), Federal University of ABC (UFABC), São Bernardo Do Campo, São Paulo, Brazil
| | - Lizandra Gomes Souza
- Center for Mathematics, Computing, and Cognition (CMCC), Federal University of ABC (UFABC), São Bernardo Do Campo, São Paulo, Brazil
| | - Artur Santos-Miranda
- Department of Physiology and Biophysics, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Julliane V Joviano-Santos
- Post-Graduate Program in Health Sciences, Faculdade Ciências Médicas de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil; Laboratório de Investigações NeuroCardíacas, Ciências Médicas de Minas Gerais (LINC CMMG), Belo Horizonte, Minas Gerais, Brazil.
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Wolfe J, Marsit C. Pyrethroid pesticide exposure and placental effects. Mol Cell Endocrinol 2023; 578:112070. [PMID: 37722502 PMCID: PMC10591723 DOI: 10.1016/j.mce.2023.112070] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 09/13/2023] [Accepted: 09/14/2023] [Indexed: 09/20/2023]
Abstract
Human exposures to pyrethroid pesticides have increased in recent years following the bans and sanctions placed on other families of pesticides. Although pyrethroids are currently widely used across the United States and throughout the world, and their overt neurological toxicity classified, the extent of their toxicity through low dose and chronic exposures on humans is less well characterized, particularly when it comes to prenatal exposures, their impacts on neurodevelopment, and any role for the placenta in those effects. In this review, we assess the state of research on pyrethroid pesticide exposure and placental effects. These studies presented hormone disrupting, genotoxic, neurodevelopmental and neurobehavioral effects, among others, following prenatal pyrethroid exposures, and highlights a need for future research to assess gaps relating to effects in the human placenta and mechanisms of toxicity as well as shortcomings in the reproducibility and standardization of the methodologies presented.
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Affiliation(s)
- Joshua Wolfe
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Carmen Marsit
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA.
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Wang A, Wan Y, Mahai G, Qian X, Li Y, Xu S, Xia W. Association of Prenatal Exposure to Organophosphate, Pyrethroid, and Neonicotinoid Insecticides with Child Neurodevelopment at 2 Years of Age: A Prospective Cohort Study. ENVIRONMENTAL HEALTH PERSPECTIVES 2023; 131:107011. [PMID: 37856202 PMCID: PMC10586492 DOI: 10.1289/ehp12097] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 10/20/2023]
Abstract
BACKGROUND Widespread insecticide exposure might be a risk factor for neurodevelopment of our children, but few studies examined the mixture effect of maternal coexposure to organophosphate insecticides (OPPs), pyrethroids (PYRs), and neonicotinoid insecticides (NNIs) during pregnancy on child neurodevelopment, and critical windows of exposure are unknown. OBJECTIVES We aimed to evaluate the association of prenatal exposure to multiple insecticides with children's neurodevelopment and to identify critical windows of the exposure. METHODS Pregnant women were recruited into a prospective birth cohort study in Wuhan, China, from 2014-2017. Eight metabolites of OPPs (mOPPs), three metabolites of PYRs (mPYRs), and nine metabolites of NNIs (mNNIs) were measured in 3,123 urine samples collected at their first, second, and third trimesters. Children's neurodevelopment [mental development index (MDI) and psychomotor development index (PDI)] was assessed using the Bayley Scales of Infant Development at 2 years of age (N = 1,041 ). Multivariate linear regression models, generalized estimating equation models, and weighted quantile sum (WQS) regression were used to estimate the association between the insecticide metabolites and Bayley scores. Potential sex-specific associations were also examined. RESULTS Single chemical analysis suggested higher urinary concentrations of some insecticide metabolites at the first trimester were significantly associated with lower MDI and PDI scores, and the associations were more prominent among boys. Each 1-unit increase in ln-transformed urinary concentrations of two mOPPs, 3,5,6-trichloro-2-pyridinol and 4-nitrophenol, was associated with a decrease of 3.16 points [95% confidence interval (CI): - 5.59 , - 0.74 ] and 3.06 points (95% CI: - 5.45 , - 0.68 ) respectively in boys' MDI scores. Each 1-unit increase in that of trans-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid (trans-DCCA; an mPYR) was significantly associated with a decrease of 2.24 points (95% CI: - 3.89 , - 0.58 ) in boys' MDI scores and 1.90 points (95% CI: - 3.16 , - 0.64 ) in boys' PDI scores, respectively. Significantly positive associations of maternal urinary biomarker concentrations [e.g., dimethyl phosphate (a nonspecific mOPP) and desmethyl-clothianidin (a relatively specific mNNI)] with child neurodevelopment were also observed. Using repeated holdout validation, a 1-quartile increase in the WQS index of the insecticide mixture (in the negative direction) at the first trimester was significantly associated with a decrease of 3.02 points (95% CI: - 5.47 , - 0.57 ) in MDI scores among the boys, and trans-DCCA contributed the most to the association (18%). CONCLUSIONS Prenatal exposure to higher levels of certain insecticides and their mixture were associated with lower Bayley scores in children, particularly in boys. Early pregnancy may be a sensitive window for such an effect. Future studies are needed to confirm our findings. https://doi.org/10.1289/EHP12097.
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Affiliation(s)
- Aizhen Wang
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Yanjian Wan
- Center for Public Health Laboratory Service, Institute of Environmental Health, Wuhan Centers for Disease Prevention & Control, Wuhan, Hubei, PR China
| | - Gaga Mahai
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Xi Qian
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Yuanyuan Li
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Shunqing Xu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Wei Xia
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
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Xi C, Shi X, Wang Y, He J, Jiang S, Niu B, Chen Y, Zhao F, Cao Z. Influence of bifenthrin exposure at different gestational stages on the neural development. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 263:115365. [PMID: 37597292 DOI: 10.1016/j.ecoenv.2023.115365] [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: 05/04/2023] [Revised: 07/28/2023] [Accepted: 08/10/2023] [Indexed: 08/21/2023]
Abstract
Perinatal exposure to bifenthrin (BF) alters neurodevelopment. However, the most susceptible time period to BF exposure and the possible mechanisms are not clear. In the current study, pregnant female mice were treated with BF (0.5 mg/kg/d) at three different stages [gestational day (GD) 0-5, 6-15 and 16-birth (B)] and neurologic deficits were evaluated in offspring mice. BF exposure at GD 16-B significantly altered the locomotor activity and caused learning and memory impairments in 6-week-old offspring. Gestational BF exposure also caused neuronal loss in the region of cornu ammonis of hippocampi of 6-week-old offspring. Interestingly, neurobehavioral impairments and neuronal loss were not observed in offspring at 10-week-old. BF exposure at GD 16-B also decreased protein levels of VGluT1, NR1 and NR2A while increased the protein levels of NR2B and VGAT1, as well as the gene levels of Il-1β, Il-6 and Tnf-α in hippocampi of 6-week-old offspring. Collectively, these data demonstrate that gestational exposure to a low dose BF causes neurodevelopmental deficits that remit with the age and the late-stage of pregnancy is the most susceptible time window to BF exposure. Imbalance in excitatory/inhibitory neuronal transmission, altered expression levels of NMDA receptors and increased neural inflammation may be associated with BF prenatal exposure-triggered neurobehavioral impairments.
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Affiliation(s)
- Chuchu Xi
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China
| | - Xiaoqian Shi
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China
| | - Yujing Wang
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China
| | - Jing He
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China
| | - Shan Jiang
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China
| | - Bo Niu
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China
| | - Ying Chen
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China
| | - Fang Zhao
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
| | - Zhengyu Cao
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
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10
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Bliznashka L, Roy A, Christiani DC, Calafat AM, Ospina M, Diao N, Mazumdar M, Jaacks LM. Pregnancy pesticide exposure and child development in low- and middle-income countries: A prospective analysis of a birth cohort in rural Bangladesh and meta-analysis. PLoS One 2023; 18:e0287089. [PMID: 37294794 PMCID: PMC10256216 DOI: 10.1371/journal.pone.0287089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 05/30/2023] [Indexed: 06/11/2023] Open
Abstract
BACKGROUND Despite considerable evidence on a negative association between pregnancy pesticide exposure and child development in high-income countries, evidence from low- and middle-income countries (LMICs) is limited. Therefore, we assessed associations between pregnancy pesticide exposure and child development in rural Bangladesh and summarised existing literature in a systematic review and meta-analysis. METHODS We used data from 284 mother-child pairs participating in a birth cohort established in 2008. Eight urinary pesticide biomarkers were quantified in early pregnancy (mean gestational age 11.6±2.9 weeks) as an index of pesticide exposure. The Bayley Scales of Infant and Toddler Development, Third Edition were administered at 20-40 months of age. Associations between creatinine-adjusted urinary pesticide biomarker concentrations and child development scores were estimated using multivariable generalised linear models. We searched ten databases up to November 2021 to identify prospective studies on pregnancy pesticide exposure and child development conducted in LMICs. We used a random-effects model to pool similar studies, including our original analysis. The systematic review was pre-registered with PROSPERO: CRD42021292919. RESULTS In the Bangladesh cohort, pregnancy 2-isopropyl-4-methyl-6-hydroxypyrimidine (IMPY) concentrations were inversely associated with motor development (-0.66 points [95% CI -1.23, -0.09]). Pregnancy 3,5,6-trichloro-2-pyridinol (TCPY) concentrations were inversely associated with cognitive development, but the association was small: -0.02 points (-0.04, 0.01). We observed no associations between 4-nitrophenol and 3-phenoxybenzoic acid (3-PBA) concentrations and child development. The systematic review included 13 studies from four LMICs. After pooling our results with one other study, we found consistent evidence that pregnancy 3-PBA concentrations were not associated with cognitive, language, or motor development. CONCLUSION Evidence suggests that pregnancy exposure to some organophosphate pesticides is negatively associated with child development. Interventions to reduce in-utero pesticide exposure in LMICs may help protect child development.
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Affiliation(s)
- Lilia Bliznashka
- Nutrition, Diets, and Health Unit, International Food Policy Research Institute, Washington, DC, United States of America
- Global Academy of Agriculture and Food Systems, University of Edinburgh, Scotland, United Kingdom
| | - Aditi Roy
- Center for Environmental Health, Public Health Foundation of India, New Delhi, India
| | - David C. Christiani
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States of America
| | - Antonia M. Calafat
- Division of Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, GA, United States of America
| | - Maria Ospina
- Division of Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, GA, United States of America
| | - Nancy Diao
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States of America
| | - Maitreyi Mazumdar
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States of America
- Department of Neurology, Boston Children’s Hospital, Boston, MA, United States of America
| | - Lindsay M. Jaacks
- Global Academy of Agriculture and Food Systems, University of Edinburgh, Scotland, United Kingdom
- Center for Environmental Health, Public Health Foundation of India, New Delhi, India
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11
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Gu S, Zhang Q, Gu J, Wang C, Chu M, Li J, Mo X. The stereoselective metabolic disruption of cypermethrin on rats by a sub-acute study based on metabolomics. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:31130-31140. [PMID: 36441315 DOI: 10.1007/s11356-022-24359-w] [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: 09/29/2022] [Accepted: 11/17/2022] [Indexed: 06/16/2023]
Abstract
Due to the massive application of cypermethrin (CYP) for pest control in China, the adverse effects on non-target organisms have aroused great attention. However, comparative studies between its different stereoisomers remain scarce, especially for metabolism perturbations. Herein, the rats were administered α-CYP, β-CYP, and θ-CYP by gavage at doses of 8.5, 29.2, and 25.0 mg/kg/day, respectively, for 28 consecutive days. By blood examination, significant changes in liver and renal function parameters were observed in rats exposed to all three CYPs. The stereoisomeric selectivity in metabolic disturbances was assessed based on a metabolomic strategy via multivariate analysis and pathway analysis. The results demonstrated that amino acid and glycolipid metabolism were disrupted in all CYP groups. Among them, the most significant changes in the metabolic phenotype were observed in the θ-CYP group, with 56 differential metabolites enriched in 9 differential metabolic pathways. At the same time, the endogenous metabolite trimethylamine oxide (TMAO), which is closely linked to the gut microbiota, was also significantly elevated in this group. Gender differences were found in α- and θ-CYP-exposed rats, with perturbations in amino acid and glucose metabolism of greater concern in females and lipid metabolism of greater concern in males. Overall, β-CYP exhibited a lower risk of metabolic perturbations than α-CYP or θ-CYP, which helps to screen suitable agrochemical products for green agricultural development.
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Affiliation(s)
- Sijia Gu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, 310032, Zhejiang, China
| | - Quan Zhang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, 310032, Zhejiang, China.
| | - Jinping Gu
- College of Pharmaceutical Sciences, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou, 310032, Zhejiang, China
| | - Cui Wang
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Mengjie Chu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, 310032, Zhejiang, China
| | - Jing Li
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, 310032, Zhejiang, China
| | - Xunjie Mo
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, 310032, Zhejiang, China
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12
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Antonangeli LM, Kenzhebekova S, Colosio C. Neurobehavioral Effects of Low-Dose Chronic Exposure to Insecticides: A Review. TOXICS 2023; 11:192. [PMID: 36851066 PMCID: PMC9963921 DOI: 10.3390/toxics11020192] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 02/15/2023] [Accepted: 02/17/2023] [Indexed: 06/18/2023]
Abstract
The modes of action of insecticides frequently involve a neurotoxic effect; therefore, the study of neurotoxic effects caused by long-term and low-dose insecticide exposure is of particular interest. This study looks at whether or not new studies conducted after 2009 and up to 2021 have provided new evidence for a better understanding of the actual neurobehavioral risk associated with long-term insecticide exposure. We selected and reviewed studies carried out on the neurobehavioral effects of neurotoxic insecticides (organophosphates and/or carbamates, pyrethroids, multiple or undefined insecticides, and organochlorines) considering occupational and non-occupational exposures. The articles were also scored and ranked based on seven parameters. Eighty-six studies were chosen for a final review process from among the 950 scientific papers identified. Twenty-six addressed occupational exposure and six environmental exposure. Among the latter group of studies, 17 focused on rural residents, to be assumed exposed because of living in rural areas, and 43 on the general population. Pending doubts have not been resolved in the last ten years due to the presence of contradictory and hardly comparable results and the fact that in most of the studies showing an evident neurobehavioral impairment the frequent presence of a previous episode of poisoning and hospitalization, with severe brain hypoxia, impaired the possibility of confirming the presence of a causal association with insecticide exposure. Interestingly, the most severely exposed groups, such as applicators who did not wear personal protective equipment, performed worse on neurobehavioral tests. As for residential exposure, there is sufficient evidence to suggest that prenatal OP exposure may increase the risk of ADHD in children.
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Affiliation(s)
| | - Saniya Kenzhebekova
- Department of Health Sciences, University of Milan, International Centre for Rural Health of the Santi Paolo e Carlo ASST of Milan, 20142 Milano, Italy
| | - Claudio Colosio
- Department of Health Sciences, University of Milan, International Centre for Rural Health of the Santi Paolo e Carlo ASST of Milan, 20142 Milano, Italy
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13
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Lehmler HJ, Simonsen D, Garcia AQ, Irfan NM, Dean L, Wang H, von Elsterman M, Li X. A systematic review of human biomonitoring studies of 3-phenoxybenzoic acid, a urinary biomarker pyrethroid insecticide exposure, 1997 to 2019. HYGIENE AND ENVIRONMENTAL HEALTH ADVANCES 2022; 4:100018. [PMID: 36644572 PMCID: PMC9838198 DOI: 10.1016/j.heha.2022.100018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Pyrethroid insecticides are used, for example, in agriculture, indoor environments, and mosquito control programs, resulting in human exposure. Urinary 3-phenoxybenzoic acid (3-PBA) is a nonspecific biomarker for exposure to many pyrethroids. This systematic review identified human biomonitoring studies with 3-PBA that characterize environmental pyrethroid exposures in children and adolescents, pregnant women, and adults or occupational pyrethroid exposures relative to the National Health and Nutrition Examination Survey (NHANES) populations in the United States (US). PubMed, Embase, and SciFinder were searched for "3-phenoxybenzoic acid ", CAS No. 3739-38-6, and urine or urinary or urine level. Duplicate studies and studies meeting the exclusion criteria were removed from the search results based on predetermined exclusion criteria. This screening process identified 57 papers. Twenty-one, thirteen, twenty-two, and eleven manuscripts reported urinary 3-PBA levels in children, pregnant women, environmentally exposed adults, and occupationally exposed adults, respectively. Median 3-PBA levels ranged from 0.2 to 4.7 μg/g creatinine in children (1999-2016), 0.23-1.55 μg/g creatinine in pregnant women (1997-2014), and 0.11-3.34 μg/g creatinine in environmentally exposed adults (1999-2017). 3-PBA levels in occupationally exposed adults were significantly higher than in environmentally exposed populations, ranging from 0.43 to 14 μg/g creatinine (2004-2017). 3-PBA levels in children and adults from the general North American population increased significantly with the sampling year. A decrease in 3-PBA levels was noted in the adult cohorts from PR China and Japan. 3-PBA levels in most studies appeared to be comparable to levels in the NHANES populations; however, some smaller studies had high pyrethroid exposures. Factors contributing to higher 3-PBA levels in the general population included primarily dietary exposures and residential and agricultural pyrethroid applications. These findings demonstrate that pyrethroid exposures are near-ubiquitous worldwide and, in some regions, appear to increase over time. Thus, exposures to pyrethroid insecticides represent a continuing public health concern.
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Affiliation(s)
- Hans-Joachim Lehmler
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, IA 52242, USA,Interdisciplinary Graduate Program in Human Toxicology, Graduate College, University of Iowa, Iowa City, IA 52242, USA,Corresponding author: The University of Iowa, Department of Occupational and Environmental Health, University of Iowa Research Park, #221 IREH, Iowa City, IA 52242-5000, USA, (H.-J. Lehmler)
| | - Derek Simonsen
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, IA 52242, USA,Interdisciplinary Graduate Program in Human Toxicology, Graduate College, University of Iowa, Iowa City, IA 52242, USA
| | - Alana Quintero Garcia
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, IA 52242, USA
| | - Nafis Md Irfan
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College, University of Iowa, Iowa City, IA 52242, USA,Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
| | - Laura Dean
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, IA 52242, USA
| | - Hui Wang
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, IA 52242, USA
| | | | - Xueshu Li
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, Iowa City, IA 52242, USA
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14
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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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15
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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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16
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Tarazona JV, Cattaneo I, Niemann L, Pedraza-Diaz S, González-Caballero MC, de Alba-Gonzalez M, Cañas A, Dominguez-Morueco N, Esteban-López M, Castaño A, Borges T, Katsonouri A, Makris KC, Ottenbros I, Mol H, De Decker A, Morrens B, Berman T, Barnett-Itzhaki Z, Probst-Hensch N, Fuhrimann S, Tratnik JS, Horvat M, Rambaud L, Riou M, Schoeters G, Govarts E, Kolossa-Gehring M, Weber T, Apel P, Namorado S, Santonen T. A Tiered Approach for Assessing Individual and Combined Risk of Pyrethroids Using Human Biomonitoring Data. TOXICS 2022; 10:451. [PMID: 36006130 PMCID: PMC9416723 DOI: 10.3390/toxics10080451] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/29/2022] [Accepted: 08/01/2022] [Indexed: 12/04/2022]
Abstract
Pyrethroids are a major insecticide class, suitable for biomonitoring in humans. Due to similarities in structure and metabolic pathways, urinary metabolites are common to various active substances. A tiered approach is proposed for risk assessment. Tier I was a conservative screening for overall pyrethroid exposure, based on phenoxybenzoic acid metabolites. Subsequently, probabilistic approaches and more specific metabolites were used for refining the risk estimates. Exposure was based on 95th percentiles from HBM4EU aligned studies (2014-2021) covering children in Belgium, Cyprus, France, Israel, Slovenia, and The Netherlands and adults in France, Germany, Israel, and Switzerland. In all children populations, the 95th percentiles for 3-phenoxybenzoic acid (3-PBA) exceeded the screening value. The probabilistic refinement quantified the risk level of the most exposed population (Belgium) at 2% or between 1-0.1% depending on the assumptions. In the substance specific assessments, the 95th percentiles of urinary concentrations in the aligned studies were well below the respective human biomonitoring guidance values (HBM-GVs). Both information sets were combined for refining the combined risk. Overall, the HBM data suggest a low health concern, at population level, related to pyrethroid exposure for the populations covered by the studies, even though a potential risk for highly exposed children cannot be completely excluded. The proposed tiered approach, including a screening step and several refinement options, seems to be a promising tool of scientific and regulatory value in future.
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Affiliation(s)
- Jose V. Tarazona
- European Food Safety Authority (EFSA), 43126 Parma, Italy
- National Centre for Environmental Health, Instituto de Salud Carlos III, 28220 Madrid, Spain
| | - Irene Cattaneo
- European Food Safety Authority (EFSA), 43126 Parma, Italy
| | - Lars Niemann
- Department of Safety of Pesticides, German Federal Institute for Risk Assessment, 10589 Berlin, Germany
| | - Susana Pedraza-Diaz
- National Centre for Environmental Health, Instituto de Salud Carlos III, 28220 Madrid, Spain
| | | | | | - Ana Cañas
- National Centre for Environmental Health, Instituto de Salud Carlos III, 28220 Madrid, Spain
| | | | - Marta Esteban-López
- National Centre for Environmental Health, Instituto de Salud Carlos III, 28220 Madrid, Spain
| | - Argelia Castaño
- National Centre for Environmental Health, Instituto de Salud Carlos III, 28220 Madrid, Spain
| | - Teresa Borges
- General-Directorate of Health, Ministry of Health, 1049-005 Lisbon, Portugal
| | | | - Konstantinos C. Makris
- Cyprus International Institute for Environmental and Public Health, Cyprus University of Technology, Limassol 3036, Cyprus
| | - Ilse Ottenbros
- National Institute for Public Health and the Environment (RIVM), Antonie van Leeuwenhoeklaan 9, 3721 Bilthoven, The Netherlands
| | - Hans Mol
- Wageningen Food Safety Research (WFSR), 6700 Wageningen, The Netherlands
| | | | - Bert Morrens
- Department of Sociology, University of Antwerp, 2020 Antwerpen, Belgium
| | | | - Zohar Barnett-Itzhaki
- Ruppin Research Group in Environmental and Social Sustainability, Ruppin Academic Center, Emek Hefer 4025000, Israel
| | - Nicole Probst-Hensch
- Swiss Tropical and Public Health Institute, Kreuzstrasse 2, 4123 Allschwil, Switzerland
| | - Samuel Fuhrimann
- Swiss Tropical and Public Health Institute, Kreuzstrasse 2, 4123 Allschwil, Switzerland
| | - Janja Snoj Tratnik
- Jozef Stefan Institute, Department of Environmental Sciences, 1000 Jubljana, Slovenia
| | - Milena Horvat
- Jozef Stefan Institute, Department of Environmental Sciences, 1000 Jubljana, Slovenia
| | - Loic Rambaud
- Department of Environmental and Occupational Health, Santé Publique France, 12 rue du Val d’Osne, Saint-Maurice, CEDEX, 94415 Paris, France
| | - Margaux Riou
- Department of Environmental and Occupational Health, Santé Publique France, 12 rue du Val d’Osne, Saint-Maurice, CEDEX, 94415 Paris, France
| | - Greet Schoeters
- VITO Health, Flemish Institute for Technological Research (VITO), 2020 Mol, Belgium
| | - Eva Govarts
- VITO Health, Flemish Institute for Technological Research (VITO), 2020 Mol, Belgium
| | | | - Till Weber
- German Environment Agency (UBA), 14195 Berlin, Germany
| | - Petra Apel
- German Environment Agency (UBA), 14195 Berlin, Germany
| | - Sonia Namorado
- Department of Epidemiology, National Institute of Health Dr. Ricardo Jorge, Avenida Padre Cruz, 1649-016 Lisbon, Portugal
| | - Tiina Santonen
- Finnish Institute of Occupational Health, Työterveyslaitos, P.O. Box 40, 00032 Helsinki, Finland
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Elser BA, Simonsen D, Lehmler HJ, Stevens HE. Maternal and fetal tissue distribution of α-cypermethrin and permethrin in pregnant CD-1 mice. ENVIRONMENTAL ADVANCES 2022; 8:100239. [PMID: 36059860 PMCID: PMC9435064 DOI: 10.1016/j.envadv.2022.100239] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Pyrethroid insecticides are widely used throughout agriculture and household products. Recent studies suggest that prenatal exposure to these insecticides may adversely affect fetal development; however, little is known about the distribution of these chemicals in pregnant animals. The present study aimed to address this gap in knowledge by investigating the distribution of two commonly used pyrethroid insecticides, permethrin and α-cypermethrin, in maternal and fetal tissues of pregnant CD-1 mice. Dams were dosed from gestational days 6 to 16 via oral gavage with permethrin (1.5, 15, and 50 mg/kg), α-cypermethrin (0.3, 3, and 10 mg/kg), or corn oil vehicle. Pyrethroid levels were determined in gestational day 16 tissues collected 90 min after the final dose was administered. Across maternal tissues, levels of both pyrethroids were the highest in maternal ovaries, followed by liver and brain, respectively. In addition, levels of both pyrethroids in maternal tissues and placenta were significantly higher than those in the fetal body and amniotic fluid, suggesting that these compounds may exhibit low transfer across the mouse placenta. While additional toxicokinetic studies are needed to verify the time course of pyrethroids in the fetal compartment, these findings support investigation into indirect modes of action relevant to the effects of pyrethroids on mammalian fetal development.
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Affiliation(s)
- Benjamin A. Elser
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College, The University of Iowa, Iowa City, IA, USA
- Department of Psychiatry, Carver College of Medicine, The University of Iowa, 1330 Pappajohn Biomedical Discovery Building, Iowa City, IA 52242, USA
| | - Derek Simonsen
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College, The University of Iowa, Iowa City, IA, USA
- Department of Occupational and Environmental Health, The University of Iowa, Iowa City, IA 52242, USA
| | - Hans-Joachim Lehmler
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College, The University of Iowa, Iowa City, IA, USA
- Department of Occupational and Environmental Health, The University of Iowa, Iowa City, IA 52242, USA
| | - Hanna E. Stevens
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College, The University of Iowa, Iowa City, IA, USA
- Department of Psychiatry, Carver College of Medicine, The University of Iowa, 1330 Pappajohn Biomedical Discovery Building, Iowa City, IA 52242, USA
- Corresponding author at: Department of Psychiatry, Carver College of Medicine, The University of Iowa, 1330 Pappajohn Biomedical Discovery Building, Iowa City, IA 52242, USA. (H.E. Stevens)
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Ueyama J, Ito Y, Hamada R, Oya N, Kato S, Matsuki T, Tamada H, Kaneko K, Saitoh S, Sugiura-Ogasawara M, Ebara T, Kamijima M. Simultaneous quantification of pyrethroid metabolites in urine of non-toilet-trained children in Japan. Environ Health Prev Med 2022; 27:25. [PMID: 35705305 PMCID: PMC9251621 DOI: 10.1265/ehpm.21-00037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background Pyrethroid (PYR) insecticides are widely used for controlling various pests. There are two types that differ in terms of usage: agricultural-purpose PYR (agriculture-PYR) and hygiene purpose PYR (hygiene-PYRs). Few studies exist on the exposure to these chemicals in small children. In this study, we conducted biomonitoring of urinary pyrethroid metabolites in 1.5-year-old children throughout the year. Methods Study subjects were 1075 children participating in an Aichi regional sub-cohort of the Japan Environment and Children’s Study as of 18-month health check-up. The concentrations of four specific hygiene-PYR metabolites including 2,3,5,6-tetrafluoro-1,4-benzenedimethanol (HOCH2-FB-Al), and five common metabolites of hygiene- and agriculture-PYRs including 3-phenoxybenzoic acid (3PBA) and cis- and trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropane-1-carboxylic acid (DCCA), were measured in urine samples extracted from soiled diapers using a triple quadrupole gas chromatograph-mass spectrometer. Results The highest detection frequencies were for 3PBA, followed by DCCA, 1R-trans-chrysanthemum dicarboxylic acid, and HOCH2-FB-Al. Among the six metabolites, urinary concentrations were seasonally varied. However, this variation was not observed in the most studied PYR metabolite, 3PBA. Spearman’s correlation analysis demonstrated a significant positive correlation between FB-Al and DCCA (r = 0.56) and HOCH2-FB-Al and 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl alcohol (r = 0.60). Conclusions This biomonitoring survey found widespread and seasonally specific exposure to multiple hygiene- and agriculture-PYRs in 1.5-year-old Japanese children.
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Affiliation(s)
- Jun Ueyama
- Department of Biomolecular Sciences, Field of Omics Health Sciences, Nagoya University Graduate School of Medicine
| | - Yuki Ito
- Department of Occupational and Environmental Health, Nagoya City University, Graduate School of Medical Sciences
| | - Risa Hamada
- Department of Biomolecular Sciences, Field of Omics Health Sciences, Nagoya University Graduate School of Medicine
| | - Naoko Oya
- Department of Occupational and Environmental Health, Nagoya City University, Graduate School of Medical Sciences
| | - Sayaka Kato
- Department of Occupational and Environmental Health, Nagoya City University, Graduate School of Medical Sciences.,Department of Pediatrics and Neonatology, Nagoya City University, Graduate School of Medical Sciences
| | - Taro Matsuki
- Department of Occupational and Environmental Health, Nagoya City University, Graduate School of Medical Sciences
| | - Hazuki Tamada
- Department of Occupational and Environmental Health, Nagoya City University, Graduate School of Medical Sciences
| | - Kayo Kaneko
- Department of Occupational and Environmental Health, Nagoya City University, Graduate School of Medical Sciences
| | - Shinji Saitoh
- Department of Pediatrics and Neonatology, Nagoya City University, Graduate School of Medical Sciences
| | - Mayumi Sugiura-Ogasawara
- Department of Obstetrics and Gynecology, Nagoya City University, Graduate School of Medical Sciences
| | - Takeshi Ebara
- Department of Occupational and Environmental Health, Nagoya City University, Graduate School of Medical Sciences
| | - Michihiro Kamijima
- Department of Occupational and Environmental Health, Nagoya City University, Graduate School of Medical Sciences
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19
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Xi C, Yang Z, Yu Y, Li S, He J, El-Aziz TMA, Zhao F, Cao Z. Influence of perinatal deltamethrin exposure at distinct developmental stages on motor activity, learning and memory. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 236:113460. [PMID: 35378399 DOI: 10.1016/j.ecoenv.2022.113460] [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: 01/24/2022] [Revised: 03/12/2022] [Accepted: 03/25/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Perinatal exposure to deltamethrin (DM) causes attention-deficit/ hyperactivity disorder-like behaviors. However, the vulnerable time window to DM exposure and the possible mechanism are obscure. We aimed to identify the critical window(s) at perinatal stages for DM exposure and the possible mechanism. METHOD Pregnant mice were exposed to DM (0.5 mg/kg) at three different prenatal stages [gestational day (GD) 0-5, 6-15 and 16-birth (16-B)] and early postnatal stage (PD 0-10). Locomotor activity, learning and memory were evaluated using open field and Y-maze test, respectively. Nissl staining and western blots were used to examine the neuronal loss and the protein expression, respectively. RESULTS Perinatal exposures to DM had no effect on reproductive and growth index of offspring. However, mice receiving DM exposure during GD 16-B displayed significantly higher mortality suggesting GD 16-B is the most vulnerable time window to DM exposure. Prenatal but not early postnatal DM exposure impaired locomotor activity, learning and memory, and caused neuron loss in the dentate gyrus of male offspring. However, neither prenatal nor postnatal DM exposure affected mouse behavior of female offspring. Prenatal DM exposures decreased the protein levels of NR2A and NR2B in both hippocampi and cerebral cortices of male offspring. However, female mice receiving DM exposure at GD 16-B but not other stages displayed increased expression levels of NR2A and NR2B in hippocampi. CONCLUSION Prenatal but not early postnatal DM exposure impairs the neuron development in male but not female mice. Altered NMDA receptor expression may correlate to DM-induced behavioral deficits.
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Affiliation(s)
- Chuchu Xi
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
| | - Zhao Yang
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
| | - Yiyi Yu
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
| | - Shaoheng Li
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
| | - Jing He
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
| | - Tarek Mohamed Abd El-Aziz
- Zoology Department, Faculty of Science, Minia University, El-Minia 61519, Egypt; Department of Cellular and Integrative Physiology, University of Texas Health Science Center at San Antonio, San Antonio, TX 78229-3900, USA.
| | - Fang Zhao
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
| | - Zhengyu Cao
- Department of TCM Pharmacology, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China.
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20
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Elser BA, Hing B, Stevens HE. A narrative review of converging evidence addressing developmental toxicity of pyrethroid insecticides. Crit Rev Toxicol 2022; 52:371-388. [PMID: 36345971 PMCID: PMC9930199 DOI: 10.1080/10408444.2022.2122769] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 09/01/2022] [Accepted: 09/05/2022] [Indexed: 11/11/2022]
Abstract
Pyrethroid insecticides are broadly used in agriculture and household products throughout the world. Exposure to this class of insecticides is widespread, and while generally believed to be safe for use, there is increasing concern regarding their effects on neurodevelopment. Due to the critical roles that molecular targets of pyrethroids play in the regulation of neurodevelopment, particular focus has been placed on evaluating the effects of in utero and childhood pyrethroid exposure on child cognition and behavior. As such, this narrative review synthesizes an assessment of converging study types; we review reports of neonatal pyrethroid levels together with current epidemiological literature that convergently address the risk for developmental toxicity linked to exposure to pyrethroid insecticides. We first address studies that assess the degree of direct fetal exposure to pyrethroids in utero through measurements in cord blood, meconium, and amniotic fluid. We then focus on the links between prenatal exposure to these insecticides and child neurodevelopment, fetal growth, and other adverse birth outcomes. Furthermore, we assess the effects of postnatal exposure on child neurodevelopment through a review of the data on pediatric exposures and child cognitive and behavioral outcomes. Study quality was evaluated individually, and the weight of evidence was assessed broadly to characterize these effects. Overall, while definitive conclusions cannot be reached from the currently available literature, the available data suggest that the potential links between pyrethroid exposure and child neurodevelopmental effects deserve further investigation.
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Affiliation(s)
- Benjamin A Elser
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College, The University of Iowa, Iowa City, IA, USA
- Department of Psychiatry, Carver College of Medicine, The University of Iowa, Iowa City, IA, USA
| | - Benjamin Hing
- Department of Psychiatry, Carver College of Medicine, The University of Iowa, Iowa City, IA, USA
- Department of Molecular Physiology and Biophysics, Carver College of Medicine, The University of Iowa, Iowa City, IA, USA
| | - Hanna E Stevens
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College, The University of Iowa, Iowa City, IA, USA
- Department of Psychiatry, Carver College of Medicine, The University of Iowa, Iowa City, IA, USA
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21
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Qi Z, Song X, Xiao X, Loo KK, Wang MC, Xu Q, Wu J, Chen S, Chen Y, Xu L, Li Y. Effects of prenatal exposure to pyrethroid pesticides on neurodevelopment of 1-year- old children: A birth cohort study in China. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 234:113384. [PMID: 35286956 DOI: 10.1016/j.ecoenv.2022.113384] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 03/01/2022] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
Pregnant women have been ubiquitously exposed to pyrethroid pesticides. Previous studies, mainly based on third trimester measurements of maternal urinary pyrethroid metabolites, have reported inconsistent findings in the effects of prenatal pyrethroid exposure on children's neurodevelopmental outcomes. The purpose of this study was to clarify if pyrethroid exposure during the entire three trimesters of pregnancy may be associated with deleterious effects on infant neurodevelopmental status, particularly at a high dosage of exposure. We measured maternal urinary concentrations of pyrethroid metabolites in all trimesters of pregnancy and assessed children's neurodevelopment at one year of age using the Bayley Scales of Infant and Toddler Development, Third Edition (BSID-III). Multiple linear regression models were used to estimate the effects of metabolites (3-PBA, 4 F-3-PBA, cis-DBCA) in each trimester on BSID-III composite scores. Logistic regression analyses were applied to predict developmental delay vs non-delayed status (cut-off composite score of below 80 for developmental delay) based on the maternal levels of pyrethroid metabolites. In the first, second and third trimesters of pregnancy, the detection rates of pyrethroid metabolites were 94.7%, 90.7%, and 89.0%; the 50th percentiles of exposure level were 0.24 μg/g, 0.24 μg/g and 0.21 μg/g for 3-PBA, 0.14 μg/g, 0.17 μg/g and 0.15 μg/g for 4 F-3PBA, 0.21 μg/g, 0.25 μg/g and 0.19 μg/g for cis-DBCA respectively. In the second trimester, 3-PBA was inversely associated with Cognition and Language scores [β = -3.34 (95% CI = -6.11, -0.57) and β = -2.90 (95% CI = -5.20, -0.61), respectively], and significantly increased the risk of Cognition and Language developmental delay [OR= 1.64 (95% CI = 1.03, 2.62) and OR = 1.52 (95% CI = 1.06, 2.19), respectively]; cis-DBCA was inversely associated with Adaptive Behavior scores [β = -0.73 (95% CI = -1.27, -0.19)], and significantly increased the risk of Adaptive Behavior developmental delay [OR= 1.11 (95% CI = 1.02, 1.21)]. When the maternal levels of pyrethroid metabolites were stratified into the regression models according to the 90th percentile of exposure, in the first trimester, Cognition and Motor scores were inversely associated with higher cis-DBCA [β = -7.19 (95% CI = -12.97, -1.41) and β = -8.20 (95% CI = -13.35, -3.05), respectively], Language scores were inversely associated with higher 3-PBA [β = -6.01 (95% CI = -10.96, -1.06)]; in the second trimester, Cognition scores were inversely associated with higher cis-DBCA [β = -6.64 (95% CI = -12.51, -0.76)], Language scores were inversely associated with higher 3-PBA [β = -5.17 (95% CI = -10.07, -0.27)] and cis-DBCA [β = -5.40 (95% CI = -10.28, -0.52)]. We concluded that pyrethroid exposure in the first and second trimesters was associated with poorer infants neurodevelopmental outcomes at one year of age, and these effects were particularly pronounced at high levels of pyrethroid exposure.
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Affiliation(s)
- Zhiye Qi
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China; Department of Pediatrics, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Xiaoxiao Song
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Xia Xiao
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Kek Khee Loo
- Developmental-Behavioral Pediatrics, Department of Pediatrics, Kaiser Permanente Los Angeles Medical Center, Los Angeles, CA, United States
| | - May C Wang
- Department of Community Health Sciences, Fielding School of Public Health, University of California, Los Angeles, CA, United States
| | - Qinghua Xu
- Yunnan Institute of Pediatric Research, Kunming Children's Hospital, The Affiliated Children's Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Jie Wu
- Department of Pediatrics, Second Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, China
| | - Shuqi Chen
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Ying Chen
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Lingling Xu
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China
| | - Yan Li
- School of Public Health, Kunming Medical University, Kunming, Yunnan, China.
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Burns CJ, LaKind JS. Elements to increase translation in pyrethroid epidemiology research: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 813:152568. [PMID: 34954171 DOI: 10.1016/j.scitotenv.2021.152568] [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: 11/04/2021] [Revised: 12/15/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
Pyrethroid insecticides have been the subject of numerous epidemiology studies in the past two decades. We examined the pyrethroids epidemiology literature published between 2016 and 2021. Our objective with this exercise was to inform interested readers regarding information on methodological elements that strengthen a study's use for translation (i.e., use in risk assessment) and to describe aspects of future research methods that could improve utility for decision-making. We focused on the following elements: (i) study design that provided evidence that pyrethroid exposure preceded the outcome, (ii) evidence that the method used for exposure characterization was reliable and sufficiently accurate for the intended purpose, and (iii) use of a robust approach for outcome ascertainment. For each of the 74 studies identified via the literature search, we categorized the methodological elements as Acceptable or Supplemental. A study with three Acceptable elements was considered Relevant for risk assessment purposes. Based on our evaluative approach, 18 (24%) of the 74 publications were considered to be Relevant. These publications were categorized as Acceptable for all three elements assessed: confirmed exposure (N = 24), confirmed outcome (N = 64), exposure preceded the outcome (N = 44). Three of these studies were birth cohorts. There were 15 Relevant publications of adults which included 10 Agricultural Health Study cohort publications of self-reported permethrin. Overall, the majority of the reviewed studies used methods that did not permit a determination that pyrethroid exposure preceded the outcome, and/or did not utilize robust methods for exposure assessment and outcome ascertainment. There is an opportunity for investigators and research sponsors to build on the studies reviewed here and to incorporate more translational approaches to studying exposure/outcome associations related to pesticides and other chemicals.
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Affiliation(s)
- Carol J Burns
- Burns Epidemiology Consulting, LLC, Sanford, MI 48657, USA.
| | - Judy S LaKind
- Department of Epidemiology and Public Health, University of Maryland School of Medicine, Catonsville, MD 21228, USA
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23
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Lee KS, Lim YH, Lee YA, Shin CH, Kim BN, Hong YC, Kim JI. The association of prenatal and childhood pyrethroid pesticide exposure with school-age ADHD traits. ENVIRONMENT INTERNATIONAL 2022; 161:107124. [PMID: 35134717 DOI: 10.1016/j.envint.2022.107124] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 01/26/2022] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Pyrethroid insecticides are commonly used in residential settings, and their use has increased rapidly. Although research has been scarce, they have been reported to be associated with impaired neurodevelopment. Moreover, susceptible exposure windows and the long-term effects of pyrethroids have not been investigated. We examined the association between pyrethroid exposure and attention-deficit/hyperactivity disorder (ADHD) symptoms over time, with exposure windows spanning from the prenatal period to school-age. METHODS Using 524 mother-child pairs, we measured urinary concentrations of 3-phenoxybenzoic acid (3-PBA), a major pyrethroid metabolite, and asked parents to fill-out the ADHD Rating Scale IV (ARS). We used Poisson regression to identify the susceptible periods of pyrethroid exposure, by correlating various 3-PBA exposure windows (prenatal, ages 2, 4, 6 and 8) with ADHD symptoms at ages 6 and 8. RESULTS Doubling of prenatal and age 2 3-PBA concentrations was associated with increased ADHD symptoms at age 6 (2.7% change, 95% confidence interval [CI]: 0.3, 5.2; 5.2% change [95% CI: 0.5, 10.2], respectively). The 3-PBA concentrations at age 4 and age 6 were linked with ADHD symptoms at age 8 (2.7% change [95% CI: 0.3, 5.3]; 3.3% change [95% CI: 0.2, 6.4], respectively). There were no clear sex-specific patterns in association. DISCUSSION Both prenatal and early-childhood exposure to 3-PBA were found to be associated with ADHD symptoms. Exposure during pregnancy, and at ages 2 to 6 were found to be susceptible periods for pyrethroid neurotoxicity at ages 6 and 8.
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Affiliation(s)
- Kyung-Shin Lee
- Research Institue for Public Health, National Medical Center, Seoul, Republic of Korea.
| | - Youn-Hee Lim
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea; Section of Environmental Health, Department of Public Health, University of Copenhagen, Copenhagen, Denmark.
| | - Young Ah Lee
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea.
| | - Choong Ho Shin
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea.
| | - Bung-Nyun Kim
- Division of Children and Adolescent Psychiatry, Department of Psychiatry, Seoul National University College of Medicine, Seoul, Korea.
| | - Yun-Chul Hong
- Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea; Environmental Health Center, Seoul National University College of Medicine, Seoul, Korea; Institute of Environmental Medicine, Seoul National University Medical Research Center, Seoul, South Korea.
| | - Johanna Inhyang Kim
- Department of Psychiatry, Hanyang University Medical Center, Seoul, Republic of Korea.
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24
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Zamora AN, Watkins DJ, Peterson KE, Téllez-Rojo MM, Hu H, Meeker JD, Cantoral A, Mercado-García A, Jansen EC. Prenatal maternal pesticide exposure in relation to sleep health of offspring during adolescence. ENVIRONMENTAL RESEARCH 2022; 204:111977. [PMID: 34469742 PMCID: PMC8639673 DOI: 10.1016/j.envres.2021.111977] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 08/23/2021] [Accepted: 08/24/2021] [Indexed: 05/11/2023]
Abstract
STUDY OBJECTIVES The neurobiological processes involved in establishing sleep regulation are vulnerable to environmental exposures as early as seven weeks of gestation. Studies have linked in utero pesticide exposure to childhood sleep-disordered breathing. However, the impact of in utero pesticide exposure on the sleep health of adolescents remains unexplored. MATERIALS AND METHODS Data from 137 mother-adolescent pairs from a Mexico City cohort were analyzed. We used maternal urinary 3-phenoxybenzoic acid (3-PBA, pyrethroid metabolite) and 3, 5, 6-trichloro-2-pyridinol (TCPy, chlorpyrifos metabolite) from trimester three to estimate in utero pesticide exposure. Among adolescents, we obtained repeated measures of objectively assessed sleep duration, midpoint, and fragmentation using wrist-actigraphy devices for 7 consecutive days in 2015 and 2017. Unstratified and sex-stratified associations between maternal urinary 3-PBA and TCPy and adolescent sleep measures were examined using generalized linear mixed models (GLMMs). We also examined the interactive effects of maternal pesticide exposure and offspring sex on sleep outcomes. RESULTS 3-PBA and TCPy were detected in 44.4% and 93% of urine samples, respectively. Adjusted findings demonstrated that higher exposure to maternal TCPy was associated with longer sleep duration and later sleep timing. Findings from interaction tests between maternal pesticide exposure and offspring sex were not statistically significant, although adjusted sex-stratified findings showed that the association between TCPy with duration and midpoint was evident only among female offspring. To illustrate, those in the highest tertile of exposure had a 59 minute (95% CI: 12.2, 104.8) (p, trend = 0.004) longer sleep duration and a 0.6 hour (95% CI: 0.01, 1.3) (p, trend = 0.01) later sleep midpoint. We found no significant associations between 3-PBA and sleep outcomes. CONCLUSION Within a cohort of mother-adolescent pairs, we found associations between maternal prenatal pesticide exposure and longer sleep duration and later sleep timing among adolescent offspring. Further, this association may be female-specific.
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Affiliation(s)
- Astrid N Zamora
- Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Deborah J Watkins
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Karen E Peterson
- Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA; Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Martha M Téllez-Rojo
- Center for Research on Nutrition and Health, National Institute of Public Health, Cuernavaca, Mexico
| | - Howard Hu
- Department of Preventive Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, CA, USA
| | - John D Meeker
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | | | - Adriana Mercado-García
- Center for Research on Nutrition and Health, National Institute of Public Health, Cuernavaca, Mexico
| | - Erica C Jansen
- Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA; Department of Neurology, Division of Sleep Medicine, Michigan Medicine, Ann Arbor, MI, USA.
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A Systematic Review of Studies on Genotoxicity and Related Biomarkers in Populations Exposed to Pesticides in Mexico. TOXICS 2021; 9:toxics9110272. [PMID: 34822663 PMCID: PMC8624200 DOI: 10.3390/toxics9110272] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/12/2021] [Accepted: 10/15/2021] [Indexed: 11/17/2022]
Abstract
In agricultural activities, pest control is essential, and the most effective method is the use of chemical agents that also represent an important source of exposure to potentially toxic compounds. Pesticides constitute a heterogeneous group of compounds designed specifically to control different pests. Besides measuring their levels or that of their metabolites in air, plasma, serum, blood, urine, etc., some studies reported increased DNA damage levels after occupational or environmental pesticides exposure, evidenced by several cytogenetic biomarkers such as chromosomal aberrations (CA), sister chromatid exchanges (SCE), micronuclei frequency (MN) together with other nuclear abnormalities (NA), alkaline comet assay, but also changes in oxidative stress parameters and miRNA levels. Single or combined, these techniques have also been used in genotoxic biomonitoring studies of workers occupationally exposed to pesticides in Mexico. Despite being a country with great agricultural activity and reported excessive pesticide use, genotoxic studies have been relatively few and, in some cases, contradictory. A review was made of the studies available (published until the end of 2020 on PubMed, Web of Science, Redalyc and Scielo, both in English and Spanish) in the scientific literature that evaluated occupational exposure of human samples to pesticides assessed with DNA damage and related biomarkers in Mexico.
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Elser BA, Kayali K, Dhakal R, O'Hare B, Wang K, Lehmler HJ, Stevens HE. Combined Maternal Exposure to Cypermethrin and Stress Affect Embryonic Brain and Placental Outcomes in Mice. Toxicol Sci 2021; 175:182-196. [PMID: 32191333 DOI: 10.1093/toxsci/kfaa040] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Prenatal exposure to cypermethrin is a risk factor for adverse neurodevelopmental outcomes in children. In addition, maternal psychological stress during pregnancy has significant effects on fetal neurodevelopment and may influence end-stage toxicity to offspring by altering maternal xenobiotic metabolism. As such, this study examined effects of maternal exposure to alpha-cypermethrin and stress, alone and in combination, on offspring development, with a focus on fetal neurotoxicity. CD1 mouse dams were administered 10 mg/kg alpha-cypermethrin or corn oil vehicle via oral gavage from embryonic day 11 (E11) to E14. In addition, dams from each treatment were subjected to a standard model of restraint stress from E12 to E14. Cypermethrin treatment impaired fetal growth, reduced fetal forebrain volume, and increased ventral forebrain proliferative zone volume, the latter effects driven by combined exposure with stress. Cypermethrin also impaired migration of GABAergic progenitors, with different transcriptional changes alone and in combination with stress. Stress and cypermethrin also interacted in effects on embryonic microglia morphology. In addition, levels of cypermethrin were elevated in the serum of stressed dams, which was accompanied by interacting effects of cypermethrin and stress on hepatic expression of cytochrome P450 enzymes. Levels of cypermethrin in amniotic fluid were below the limit of quantification, suggesting minimal transfer to fetal circulation. Despite this, cypermethrin increased placental malondialdehyde levels and increased placental expression of genes responsive to oxidative stress, effects significantly modified by stress exposure. These findings suggest a role for interaction between maternal exposures to cypermethrin and stress on offspring neurodevelopment, involving indirect mechanisms in the placenta and maternal liver.
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Affiliation(s)
- Benjamin A Elser
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College.,Department of Psychiatry, Carver College of Medicine
| | - Khaled Kayali
- Department of Psychiatry, Carver College of Medicine
| | - Ram Dhakal
- Department of Occupational and Environmental Health
| | - Bailey O'Hare
- Department of Psychiatry, Carver College of Medicine
| | - Kai Wang
- Department of Biostatistics, College of Public Health, The University of Iowa, Iowa City, Iowa 52242
| | - Hans-Joachim Lehmler
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College.,Department of Occupational and Environmental Health
| | - Hanna E Stevens
- Interdisciplinary Graduate Program in Human Toxicology, Graduate College.,Department of Psychiatry, Carver College of Medicine
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27
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Guth S, Hüser S, Roth A, Degen G, Diel P, Edlund K, Eisenbrand G, Engel KH, Epe B, Grune T, Heinz V, Henle T, Humpf HU, Jäger H, Joost HG, Kulling SE, Lampen A, Mally A, Marchan R, Marko D, Mühle E, Nitsche MA, Röhrdanz E, Stadler R, van Thriel C, Vieths S, Vogel RF, Wascher E, Watzl C, Nöthlings U, Hengstler JG. Contribution to the ongoing discussion on fluoride toxicity. Arch Toxicol 2021; 95:2571-2587. [PMID: 34095968 PMCID: PMC8241794 DOI: 10.1007/s00204-021-03072-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 05/04/2021] [Indexed: 01/17/2023]
Abstract
Since the addition of fluoride to drinking water in the 1940s, there have been frequent and sometimes heated discussions regarding its benefits and risks. In a recently published review, we addressed the question if current exposure levels in Europe represent a risk to human health. This review was discussed in an editorial asking why we did not calculate benchmark doses (BMD) of fluoride neurotoxicity for humans. Here, we address the question, why it is problematic to calculate BMDs based on the currently available data. Briefly, the conclusions of the available studies are not homogeneous, reporting negative as well as positive results; moreover, the positive studies lack control of confounding factors such as the influence of well-known neurotoxicants. We also discuss the limitations of several further epidemiological studies that did not meet the inclusion criteria of our review. Finally, it is important to not only focus on epidemiological studies. Rather, risk analysis should consider all available data, including epidemiological, animal, as well as in vitro studies. Despite remaining uncertainties, the totality of evidence does not support the notion that fluoride should be considered a human developmental neurotoxicant at current exposure levels in European countries.
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Affiliation(s)
- Sabine Guth
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany
| | - Stephanie Hüser
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany
| | - Angelika Roth
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany
| | - Gisela Degen
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany
| | - Patrick Diel
- Department of Molecular and Cellular Sports Medicine, Institute of Cardiovascular Research and Sports Medicine, German Sport University Cologne, Cologne, Germany
| | - Karolina Edlund
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany
| | | | - Karl-Heinz Engel
- Department of General Food Technology, School of Life Sciences, TU Munich, Freising, Germany
| | - Bernd Epe
- Institute of Pharmacy and Biochemistry, University of Mainz, Mainz, Germany
| | - Tilman Grune
- Department of Molecular Toxicology, German Institute of Human Nutrition (DIfE), Nuthetal, Germany
| | - Volker Heinz
- German Institute of Food Technologies (DIL), Quakenbrück, Germany
| | - Thomas Henle
- Department of Food Chemistry, TU Dresden, Dresden, Germany
| | - Hans-Ulrich Humpf
- Institute of Food Chemistry, Westfälische Wilhelms-Universität Münster, Münster, Germany
| | - Henry Jäger
- Institute of Food Technology, University of Natural Resources and Life Sciences (BOKU), Vienna, Austria
| | - Hans-Georg Joost
- Department of Experimental Diabetology, German Institute of Human Nutrition (DIfE), Nuthetal, Germany
| | - Sabine E Kulling
- Department of Safety and Quality of Fruit and Vegetables, Max Rubner-Institut, Federal Research Institute of Nutrition and Food, Karlsruhe, Germany
| | - Alfonso Lampen
- Department of Food Safety, Bundesinstitut für Risikobewertung (BfR), Berlin, Germany
| | - Angela Mally
- Department of Toxicology, University of Würzburg, Würzburg, Germany
| | - Rosemarie Marchan
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany
| | - Doris Marko
- Department of Food Chemistry and Toxicology, Faculty of Chemistry, University of Vienna, Vienna, Austria
| | - Eva Mühle
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany
| | - Michael A Nitsche
- Department of Psychology and Neurosciences, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany.,Department of Neurology, University Medical Hospital Bergmannsheil, Ruhr-University, Bochum, Germany
| | - Elke Röhrdanz
- Department of Experimental Pharmacology and Toxicology, Federal Institute for Drugs and Medical Devices (BfArM), Bonn, Germany
| | - Richard Stadler
- Institute of Food Safety and Analytic Sciences, Nestlé Research Centre, Lausanne, Switzerland
| | - Christoph van Thriel
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany
| | | | - Rudi F Vogel
- Lehrstuhl für Technische Mikrobiologie, TU Munich, Freising, Germany
| | - Edmund Wascher
- Department of Ergonomics, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany
| | - Carsten Watzl
- Department of Immunology, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany
| | - Ute Nöthlings
- Department of Nutrition and Food Sciences, Nutritional Epidemiology, Rheinische Friedrich-Wilhelms University Bonn, Bonn, Germany.
| | - Jan G Hengstler
- Department of Toxicology, Leibniz Research Centre for Working Environment and Human Factors (IfADo), Dortmund, Germany.
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Hernández‐Jerez A, Adriaanse P, Aldrich A, Berny P, Coja T, Duquesne S, Focks A, Marinovich M, Millet M, Pelkonen O, Pieper S, Tiktak A, Topping C, Widenfalk A, Wilks M, Wolterink G, Crofton K, Hougaard Bennekou S, Paparella M, Tzoulaki I. Development of Integrated Approaches to Testing and Assessment (IATA) case studies on developmental neurotoxicity (DNT) risk assessment. EFSA J 2021. [DOI: 10.2903/j.efsa.2021.6599] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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29
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Biosca-Brull J, Pérez-Fernández C, Mora S, Carrillo B, Pinos H, Conejo NM, Collado P, Arias JL, Martín-Sánchez F, Sánchez-Santed F, Colomina MT. Relationship between Autism Spectrum Disorder and Pesticides: A Systematic Review of Human and Preclinical Models. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18105190. [PMID: 34068255 PMCID: PMC8153127 DOI: 10.3390/ijerph18105190] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 05/11/2021] [Indexed: 12/09/2022]
Abstract
Autism spectrum disorder (ASD) is a complex set of neurodevelopmental pathologies characterized by impoverished social and communicative abilities and stereotyped behaviors. Although its genetic basis is unquestionable, the involvement of environmental factors such as exposure to pesticides has also been proposed. Despite the systematic analyses of this relationship in humans, there are no specific reviews including both human and preclinical models. The present systematic review summarizes, analyzes, and discusses recent advances in preclinical and epidemiological studies. We included 45 human and 16 preclinical studies. These studies focused on Organophosphates (OP), Organochlorine (OC), Pyrethroid (PT), Neonicotinoid (NN), Carbamate (CM), and mixed exposures. Preclinical studies, where the OP Chlorpyrifos (CPF) compound is the one most studied, pointed to an association between gestational exposure and increased ASD-like behaviors, although the data are inconclusive with regard to other ages or pesticides. Studies in humans focused on prenatal exposure to OP and OC agents, and report cognitive and behavioral alterations related to ASD symptomatology. The results of both suggest that gestational exposure to certain OP agents could be linked to the clinical signs of ASD. Future experimental studies should focus on extending the analysis of ASD-like behaviors in preclinical models and include exposure patterns similar to those observed in human studies.
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Affiliation(s)
- Judit Biosca-Brull
- Department of Psychology, Research Center for Behavior Assessment (CRAMC), Universitat Rovira i Virgili, 43007 Tarragona, Spain;
- Research in Neurobehavior, Health (NEUROLAB), Universitat Rovira i Virgili, 43007 Tarragona, Spain
| | - Cristian Pérez-Fernández
- Department of Psychology, Health Research Center (CEINSA), Almeria University, 04120 Almeria, Spain; (C.P.-F.); (S.M.)
| | - Santiago Mora
- Department of Psychology, Health Research Center (CEINSA), Almeria University, 04120 Almeria, Spain; (C.P.-F.); (S.M.)
| | - Beatriz Carrillo
- Department of Psychobiology, University Institute of Research-UNED-Institute of Health Carlos III (IMIENS), National Distance Education University (UNED), 28015 Madrid, Spain; (B.C.); (H.P.); (P.C.)
| | - Helena Pinos
- Department of Psychobiology, University Institute of Research-UNED-Institute of Health Carlos III (IMIENS), National Distance Education University (UNED), 28015 Madrid, Spain; (B.C.); (H.P.); (P.C.)
| | - Nelida Maria Conejo
- Laboratory of Neuroscience, Department of Psychology, Instituto de Neurociencias del Principado de Asturias (INEUROPA), University of Oviedo, 33011 Oviedo, Spain; (N.M.C.); (J.L.A.)
| | - Paloma Collado
- Department of Psychobiology, University Institute of Research-UNED-Institute of Health Carlos III (IMIENS), National Distance Education University (UNED), 28015 Madrid, Spain; (B.C.); (H.P.); (P.C.)
| | - Jorge L. Arias
- Laboratory of Neuroscience, Department of Psychology, Instituto de Neurociencias del Principado de Asturias (INEUROPA), University of Oviedo, 33011 Oviedo, Spain; (N.M.C.); (J.L.A.)
| | - Fernando Martín-Sánchez
- National Scholl of Public Health, Institute of Health Carlos III, University Institute of Research-UNED-Institute of Health Carlos III (IMIENS), 28029 Madrid, Spain;
| | - Fernando Sánchez-Santed
- Department of Psychology, Health Research Center (CEINSA), Almeria University, 04120 Almeria, Spain; (C.P.-F.); (S.M.)
- Correspondence: (F.S.-S.); (M.T.C.)
| | - Maria Teresa Colomina
- Department of Psychology, Research Center for Behavior Assessment (CRAMC), Universitat Rovira i Virgili, 43007 Tarragona, Spain;
- Research in Neurobehavior, Health (NEUROLAB), Universitat Rovira i Virgili, 43007 Tarragona, Spain
- Correspondence: (F.S.-S.); (M.T.C.)
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30
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Andersen HR, Dalsager L, Jensen IK, Timmermann CAG, Olesen TS, Trecca F, Nielsen F, Schoeters G, Kyhl HB, Grandjean P, Bilenberg N, Bleses D, Jensen TK. Prenatal exposure to pyrethroid and organophosphate insecticides and language development at age 20-36 months among children in the Odense Child Cohort. Int J Hyg Environ Health 2021; 235:113755. [PMID: 33962121 DOI: 10.1016/j.ijheh.2021.113755] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 04/08/2021] [Accepted: 04/16/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Prenatal exposure to organophosphate and pyrethroid insecticides has been associated with impaired neurodevelopment. Few longitudinal studies have investigated associations with early language development in populations with mainly low dietary exposure. OBJECTIVE To investigate associations between biomarkers of maternal gestational exposure to organophosphate and pyrethroid insecticides and the child's language development at age 20-36 months in the prospective Odense Child Cohort. METHODS Metabolites of organophosphate and pyrethroid insecticides were measured in maternal urine samples collected at gestational week 28. Language development was assessed among 755 singletons at age 20-36 months using the Vocabulary and Complexity scores of the MacArthur-Bates Communicative Development Inventories, standardized into age and sex specific percentile scores according to a Danish reference study. Multiple logistic regression models were used to estimate the odds of scoring below the 15th percentile scores in relation to maternal urinary insecticide metabolite concentrations after adjustment for confounders. RESULTS The generic pyrethroid metabolite 3-phenoxybenzoic acid (3-PBA) and the chlorpyrifos metabolite 3,5,6-trichloro-2-pyridinol (TCPY) were detectable in more than 90% of the urine samples analyzed. Likewise, 82.2% had detectable concentrations of diethyl phosphates (DE) and 58.4% of dimethyl phosphates (DM), both of which are common metabolites of organophosphate insecticides. None of the metabolites was associated with higher odds of delayed results below the 15th percentile language scores. In contrast, reduced probability for scoring below the 15th percentile Vocabulary score was seen for the highest tertile of 3-PBA in boys and for the upper tertile of TCPY and DE in girls. CONCLUSION In this prospective cohort, with predominantly dietary insecticide exposure, we found no evidence that gestational exposure to organophosphate or pyrethroid insecticides adversely affected early language development in the children. The observed indication of a positive effect of insecticides on language development may be explained by residual and unmeasured confounding from socioeconomic factors and dietary habits. Follow-up of these children should include assessment of more complex cognitive functions in later childhood, as well as associations with their own postnatal insecticide exposure.
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Affiliation(s)
- Helle Raun Andersen
- Department of Public Health, University of Southern Denmark, Odense, J.B. Winsløws Vej 17A, 5000, Odense, Denmark.
| | - Louise Dalsager
- Department of Public Health, University of Southern Denmark, Odense, J.B. Winsløws Vej 17A, 5000, Odense, Denmark
| | - Inge Kjær Jensen
- Department of Public Health, University of Southern Denmark, Odense, J.B. Winsløws Vej 17A, 5000, Odense, Denmark
| | - Clara Amalie Gade Timmermann
- Department of Public Health, University of Southern Denmark, Odense, J.B. Winsløws Vej 17A, 5000, Odense, Denmark
| | - Trine Staak Olesen
- Department of Public Health, University of Southern Denmark, Odense, J.B. Winsløws Vej 17A, 5000, Odense, Denmark
| | - Fabio Trecca
- School of Communication and Culture - Trygfondens Centre for Child Research, Aarhus University, Denmark
| | - Flemming Nielsen
- Department of Public Health, University of Southern Denmark, Odense, J.B. Winsløws Vej 17A, 5000, Odense, Denmark
| | - Greet Schoeters
- Department of Public Health, University of Southern Denmark, Odense, J.B. Winsløws Vej 17A, 5000, Odense, Denmark; Environmental Risk and Health, Flemish Institute for Technological Research (VITO), University of Antwerp, Belgium
| | - Henriette Boye Kyhl
- Hans Christian Andersen Children's Hospital, Odense University Hospital, Sdr. Boulevard 29, 5000, Odense C, Denmark; Odense Patient Data Explorative Network (OPEN), Odense, Denmark
| | - Philippe Grandjean
- Department of Public Health, University of Southern Denmark, Odense, J.B. Winsløws Vej 17A, 5000, Odense, Denmark; Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Niels Bilenberg
- Department of Child and Adolescent Mental Health Odense, Mental Health Services in the Region of Southern Denmark, Odense, Denmark; Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Dorthe Bleses
- School of Communication and Culture - Trygfondens Centre for Child Research, Aarhus University, Denmark
| | - Tina Kold Jensen
- Department of Public Health, University of Southern Denmark, Odense, J.B. Winsløws Vej 17A, 5000, Odense, Denmark; Hans Christian Andersen Children's Hospital, Odense University Hospital, Sdr. Boulevard 29, 5000, Odense C, Denmark
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31
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Watkins DJ, Meeker JD, Tamayo-Ortiz M, Sánchez BN, Schnaas L, Peterson KE, Téllez-Rojo MM. Gestational and peripubertal phthalate exposure in relation to attention performance in childhood and adolescence. ENVIRONMENTAL RESEARCH 2021; 196:110911. [PMID: 33640497 PMCID: PMC8119354 DOI: 10.1016/j.envres.2021.110911] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 02/16/2021] [Accepted: 02/17/2021] [Indexed: 06/12/2023]
Abstract
The prevalence of Attention Deficit/Hyperactivity Disorder (ADHD) has been increasing. Research suggests that exposure to endocrine disrupting chemicals such as phthalates may play a role, but studies of in utero phthalate exposure and ADHD-related symptoms beyond early childhood are limited. We investigated associations between measures of in utero phthalate exposure and ADHD symptoms, such as inattention and impulsivity, in childhood (age 6-11 years, n = 221) and in adolescence (age 9-18 years, n = 200), as well as cross-sectional relationships between phthalate exposure and ADHD symptoms in adolescence (n = 491) among participants in the Early Life Exposure in Mexico to Environmental Toxicants (ELEMENT) cohort. Women provided urine samples up to three times during pregnancy and adolescents provided a urine sample at 9-18 years of age for phthalate metabolite measurement. We administered the Conners' Continuous Performance Test (CPT) when children were age 6-11 years and again at 9-18 years of age. We used multivariable linear regression to examine associations between the geometric mean of phthalate metabolite levels across pregnancy and CPT scores in childhood or adolescence separately, adjusting for age, years schooling (at 9-18 only), maternal education, and specific gravity. Although average in utero phthalate concentrations were not associated with CPT scores in childhood, interquartile range (IQR) increases of in utero MBzP, MCPP, and MBP were associated with 4.2%, 4.7%, and 4.5% (p < 0.05) higher Omissions scores in adolescence, respectively, indicating higher inattention. In utero MiBP levels were also associated with higher Inter-Stimulus Interval (ISI) and Variability scores (5.4% and 5.5% per IQR, p < 0.05) in adolescence. In addition, urinary DEHP metabolite levels during adolescence were cross-sectionally associated with poorer scores on several CPT indices indicating greater inattention. These findings suggest that in utero phthalate exposure may have adverse effects on attention, but these effects may not appear until adolescence, a period of extensive neurodevelopment. Future research investigating the long-term effects of in utero phthalate exposure on attention and ADHD in adolescence, as well as identification of potential mechanisms involved, is needed.
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Affiliation(s)
- Deborah J Watkins
- Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA.
| | - John D Meeker
- Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Marcela Tamayo-Ortiz
- National Council of Science and Technology, National Institute of Public Health, Mexico City, Mexico
| | - Brisa N Sánchez
- Department of Epidemiology and Biostatistics, Drexel Dornsife School of Public Health, Philadelphia, PA, USA
| | - Lourdes Schnaas
- National Institute of Perinatology, ABC Hospital, Mexico City, Mexico
| | - Karen E Peterson
- Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA; Department of Nutritional Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Martha María Téllez-Rojo
- Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca, Mexico
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Barkoski JM, Philippat C, Tancredi D, Schmidt RJ, Ozonoff S, Barr DB, Elms W, Bennett D, Hertz-Picciotto I. In utero pyrethroid pesticide exposure in relation to autism spectrum disorder (ASD) and other neurodevelopmental outcomes at 3 years in the MARBLES longitudinal cohort. ENVIRONMENTAL RESEARCH 2021; 194:110495. [PMID: 33220244 PMCID: PMC7946720 DOI: 10.1016/j.envres.2020.110495] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 11/12/2020] [Accepted: 11/13/2020] [Indexed: 05/09/2023]
Abstract
BACKGROUND We assessed the relationships between prenatal pyrethroid pesticide exposure and autism spectrum disorders (ASD) or non-typical development (non-TD) at 3 years. METHODS Participants were mother-child pairs (n = 201) in the MARBLES (Markers of Autism Risk in Babies-Learning Early Signs) cohort. Because familial recurrence risk is high, MARBLES enrolls pregnant women with a family history of ASD. Children from these pregnancies were clinically assessed at 3 years of age and classified into 3 outcome categories: ASD, typically developing (TD), or non-TD (neither TD or ASD). Repeated maternal second and third trimester urine samples were analyzed for pyrethroid metabolite 3-phenoxybenzoic acid (3-PBA). Multinomial logistic regression was used to obtain relative risk ratios (RRR) linking 3-PBA concentrations averaged across each trimester and over pregnancy with child's outcome: ASD or non-TD vs. TD. Models were adjusted for specific gravity, maternal pre-pregnancy BMI, prenatal vitamin use, birth year, home-ownership, and pregnancy concentrations of TCPy (3,5,6-trichloro-2-pyridinol, a metabolite of chlorpyrifos). RESULTS The median specific gravity corrected 3-PBA concentration of all samples was 1.46 ng/mL. Greater second trimester 3-PBA concentrations were associated with a relative risk ratio (RRR) for ASD of (RRR: 1.50 (95% CI 0.89 to 2.51), p = 0.12). There were no differences between non-TD and TD. CONCLUSIONS This study found no evidence for differences in 3-PBA comparing non-TD with TD. A modestly elevated RRR was found comparing second trimester urinary 3-PBA concentrations for ASD versus TD; however, the confidence interval was wide and hence, these findings cannot be considered definitive.
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Affiliation(s)
- Jacqueline M. Barkoski
- Department of Public Health Sciences, School of Medicine, University of California, Davis, CA, USA
| | - Claire Philippat
- Institute for Advanced Biosciences, INSERM U1209, CNRS UMR 5309, University Grenoble Alpes, 38000 Grenoble, France
| | - Daniel Tancredi
- Department of Pediatrics, School of Medicine, University of California, Davis, CA, USA
| | - Rebecca J. Schmidt
- Department of Public Health Sciences, School of Medicine, University of California, Davis, CA, USA
- MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, University of California, Davis, CA, USA
| | - Sally Ozonoff
- MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, University of California, Davis, CA, USA
| | - Dana Boyd Barr
- Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - William Elms
- Department of Public Health Sciences, School of Medicine, University of California, Davis, CA, USA
| | - Deborah Bennett
- Department of Public Health Sciences, School of Medicine, University of California, Davis, CA, USA
- Corresponding Author: Jacqueline M. Barkoski, MS1C, One Shields Ave, University of California, Davis, Davis, CA 95616, Telephone: 530-754-8282, Fax: (530) 752-3239,
| | - Irva Hertz-Picciotto
- Department of Public Health Sciences, School of Medicine, University of California, Davis, CA, USA
- Department of Pediatrics, School of Medicine, University of California, Davis, CA, USA
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33
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Dórea JG. Exposure to environmental neurotoxic substances and neurodevelopment in children from Latin America and the Caribbean. ENVIRONMENTAL RESEARCH 2021; 192:110199. [PMID: 32941839 DOI: 10.1016/j.envres.2020.110199] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/09/2020] [Accepted: 09/10/2020] [Indexed: 05/24/2023]
Abstract
Environmental (and occupational) exposure to neurotoxic substances is a worldwide problem that can affect children's neurodevelopment (ND). In Latin American and Caribbean (LAC) countries there are over 300 million children living under the threat of neurodevelopmental delays due to toxic environmental exposure. Large industrial centers, intense mining and agricultural activities, along with changing complex ecosystems constitute a mosaic that drives contamination of air, water and the food chain. Neurotoxic contaminants such as pesticides (organochlorines, organophosphates, carbamates, pyrethroids, neonicotinoids, and manganese fungicides), chemicals of industrial use (phthalates), and metals (Hg, Pb, Al, As, F, Cd, Mo, Mn) are at the center of environmental exposure studies. Exposure to neurotoxic substances singly or in combination with other compounds or socioeconomic stressors (maternal education, socio-economic and nutritional status) intertwined with occupational and para-occupational exposure can affect ND (motor, cognition, behavior) of children. Significant negative effects of pesticides and neurotoxic elements on ND were found in all studied countries, affecting especially the less-privileged children from laboring families. Studies showed that exposures to the neurotoxicants in human milk are secondary to their more lasting effects during prenatal exposure. This review integrates exposure (prenatal and breastfeeding), metabolism, and ND effects of neurotoxicants. It highlights the overwhelming evidence showing that current levels of exposures are hazardous and detrimental to children's ND in LAC countries. The evidence indicates that a reduction in neurotoxicant exposure is essential to protect children's ND. Therefore, it is urgent to adopt policies and actions that prevent and remediate region-specific children's ND issues.
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Affiliation(s)
- José G Dórea
- Universidade de Brasília, Brasília, 70919-970, DF, Brazil.
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Yadav A, Tandon A, Seth B, Goyal S, Singh SJ, Tiwari SK, Agarwal S, Nair S, Chaturvedi RK. Cypermethrin Impairs Hippocampal Neurogenesis and Cognitive Functions by Altering Neural Fate Decisions in the Rat Brain. Mol Neurobiol 2021; 58:263-280. [PMID: 32920670 DOI: 10.1007/s12035-020-02108-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 08/28/2020] [Indexed: 12/31/2022]
Abstract
Neurogenesis is a developmental process that involves fine-tuned coordination between self-renewal, proliferation, and differentiation of neural stem cells (NSCs) into neurons. However, early-life assault with environmental toxicants interferes with the regular function of genes, proteins, and other molecules that build brain architecture resulting in attenuated neurogenesis. Cypermethrin is a class II synthetic pyrethroid pesticide extensively used in agriculture, veterinary, and residential applications due to its low mammalian toxicity, high bio-efficacy, and enhanced stability. Despite reports on cypermethrin-mediated behavioral and biochemical alterations, till now, no study implicates whether cypermethrin exposure has any effect on neurogenesis. Therefore, the present study was undertaken to comprehend the effects of cypermethrin treatment on embryonic and adult neurogenesis. We found that cypermethrin exposure led to a considerable decrease in the BrdU/Sox-2+, BrdU/Dcx+, and BrdU/NeuN+ co-labeled cells indicating that cypermethrin treatment decreases NSC proliferation and generation of mature and functional neurons. On the contrary, the generation of BrdU/S100β+ glial cells was increased resulting in neurogliogenesis imbalance in the hippocampus. Further, cypermethrin treatment also led to an increased number of BrdU/cleaved caspase-3+ and Fluoro-Jade B+ cells suggesting an induction of apoptosis in NSCs and increased degeneration of neurons in the hippocampus. Overall, these results explicate that cypermethrin exposure not only reduces the NSC pool but also disturbs the neuron-astrocyte ratio and potentiates neurodegeneration in the hippocampus, leading to cognitive dysfunctions in rats.
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Affiliation(s)
- Anuradha Yadav
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31 Mahatma Gandhi Marg, Lucknow, Uttar Pradesh, 226001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Ankit Tandon
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31 Mahatma Gandhi Marg, Lucknow, Uttar Pradesh, 226001, India
- Department of Biochemistry, School of Dental Sciences, Babu Banarasi Das University, BBD City, Faizabad Road, Lucknow, Uttar Pradesh, 226028, India
| | - Brashket Seth
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31 Mahatma Gandhi Marg, Lucknow, Uttar Pradesh, 226001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Shweta Goyal
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31 Mahatma Gandhi Marg, Lucknow, Uttar Pradesh, 226001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sangh Jyoti Singh
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31 Mahatma Gandhi Marg, Lucknow, Uttar Pradesh, 226001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Shashi Kant Tiwari
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31 Mahatma Gandhi Marg, Lucknow, Uttar Pradesh, 226001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
- University of California San Diego, La Jolla, CA, 92093, USA
| | - Swati Agarwal
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31 Mahatma Gandhi Marg, Lucknow, Uttar Pradesh, 226001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
- Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Saumya Nair
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31 Mahatma Gandhi Marg, Lucknow, Uttar Pradesh, 226001, India
| | - Rajnish Kumar Chaturvedi
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhavan, 31 Mahatma Gandhi Marg, Lucknow, Uttar Pradesh, 226001, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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Personne S, Brochot C, Marcelo P, Corona A, Desmots S, Robidel F, Lecomte A, Bach V, Zeman F. Evaluation of Placental Transfer and Tissue Distribution of cis- and Trans-Permethrin in Pregnant Rats and Fetuses Using a Physiological-Based Pharmacokinetic Model. Front Pediatr 2021; 9:730383. [PMID: 34631627 PMCID: PMC8495120 DOI: 10.3389/fped.2021.730383] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 08/24/2021] [Indexed: 11/13/2022] Open
Abstract
Biomonitoring studies have highlighted the exposure of pregnant women to pyrethroids based on the measurement of their metabolites in urine. Pyrethroids can cross the placental barrier and be distributed in the fetus as some pyrethroids were also measured in the meconium of newborns. Prenatal exposure to pyrethroids is suspected to alter the neurodevelopment of children, and animal studies have shown that early life exposure to permethrin, one of the most commonly used pyrethroid in household applications, can alter the brain development. This study aimed to characterize the fetal permethrin exposure throughout gestation in rats. We developed a pregnancy physiologically based pharmacokinetic (pPBPK) model that describes the maternal and fetal kinetics of the cis- and trans- isomers of permethrin during the whole gestation period. Pregnant Sprague-Dawley rats were exposed daily to permethrin (50 mg/kg) by oral route from the start of gestation to day 20. Permethrin isomers were quantified in the feces, kidney, mammary gland, fat, and placenta in dams and in both maternal and fetal blood, brain, and liver. Cis- and trans-permethrin were quantified in fetal blood and tissues, with higher concentrations for the cis-isomer. The pPBPK model was fitted to the toxicokinetic maternal and fetal data in a Bayesian framework. Several parameters were adjusted, such as hepatic clearances, partition coefficients, and intestinal absorption. Our work allowed to estimate the prenatal exposure to permethrin in rats, especially in the fetal brain, and to quantitatively estimate the placental transfer. These transfers could be extrapolated to humans and be incorporated in a human pPBPK model to estimate the fetal exposure to permethrin from biomonitoring data.
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Affiliation(s)
- Stéphane Personne
- Péritox, UMR_I 01, Université de Picardie Jules Verne, Amiens, France.,Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Toxicologie Expérimentale et Modélisation (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
| | - Céline Brochot
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Toxicologie Expérimentale et Modélisation (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
| | - Paulo Marcelo
- Plateforme ICAP, ICP FR CNRS 3085, Université de Picardie Jules Verne, Amiens, France
| | - Aurélie Corona
- Péritox, UMR_I 01, Université de Picardie Jules Verne, Amiens, France
| | - Sophie Desmots
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Toxicologie Expérimentale et Modélisation (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
| | - Franck Robidel
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Toxicologie Expérimentale et Modélisation (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
| | - Anthony Lecomte
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Toxicologie Expérimentale et Modélisation (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
| | - Véronique Bach
- Péritox, UMR_I 01, Université de Picardie Jules Verne, Amiens, France
| | - Florence Zeman
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Toxicologie Expérimentale et Modélisation (TEAM), Parc ALATA BP2, Verneuil en Halatte, France
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Muñoz-Quezada MT, Lucero BA, Gutiérrez-Jara JP, Buralli RJ, Zúñiga-Venegas L, Muñoz MP, Ponce KV, Iglesias V. Longitudinal exposure to pyrethroids (3-PBA and trans-DCCA) and 2,4-D herbicide in rural schoolchildren of Maule region, Chile. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 749:141512. [PMID: 32846350 DOI: 10.1016/j.scitotenv.2020.141512] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 08/03/2020] [Accepted: 08/03/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Several studies showed that early exposure to pesticides affects the development and health of children. In Maule, there is previous evidence of the high exposure to organophosphate pesticides (OP) of schoolchildren. However, to date, there are no studies assessing exposure to pyrethroids and the herbicide 2,4-D. Objetive. To evaluate children's exposure to pyrethroids insecticides 3-phenoxybenzoic acid (3-PBA), trans 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropane carboxylic acid (trans-DCCA) and 2,4 dichlorophenoxyacetic acid (2,4-D) herbicides. METHOD Longitudinal study with 48 schoolchildren from two rural schools in the Maule region, Chile. Urinary metabolites of pyrethroids 3-PBA, Trans-DCCA and 2,4-D herbicides were evaluated in 2016 and 2017. Mann-Whitney U for repeated measurements and Spearman's rho correlation tests were used for data analysis. Also, we used a system of impulsive differential equations for mathematical modeling. RESULTS All the schoolchildren assessed had more than two pesticide urinary metabolites in both years, with the 3-PBA metabolite being the most frequent. There was an increase in concentrations of urinary 3-PBA in November 2017, compared to 2016 (from 0.69 μg/L to 1.90 μg/L). In 2016, the specific metabolites of 3-PBA were correlated with Trans-DCCA, 2,4-D, chlorpyrifos, diazinon, and para-nitrophenol. In 2017, 3-PBA was correlated with 2,4-D, and Trans-DCCA. The concentrations of 3-PBA of Chilean children were higher than studies conducted in the USA that found an association of prenatal exposure to these metabolites with cognitive difficulties. CONCLUSIONS We found high concentrations of pyrethroid metabolites among all the schoolchildren assessed, which may impact on their health and development. These insecticides had received no attention from the scientific community in Chile, and neither from the government agencies, despite the increased use of these chemicals in recent years. This is the first study in South America that confirms the exposure to pyrethroids and herbicides through biomarkers in human population living near farm fields.
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Affiliation(s)
- María Teresa Muñoz-Quezada
- The Neuropsychology and Cognitive Neurosciences Research Center, Faculty of Health Sciences, Universidad Católica del Maule, Talca, Chile.
| | - Boris A Lucero
- The Neuropsychology and Cognitive Neurosciences Research Center, Faculty of Health Sciences, Universidad Católica del Maule, Talca, Chile
| | | | - Rafael J Buralli
- Departamento de Saúde Ambiental, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, Brazil
| | - Liliana Zúñiga-Venegas
- The Neuropsychology and Cognitive Neurosciences Research Center, Faculty of Health Sciences, Universidad Católica del Maule, Talca, Chile; Centro de Investigación de Estudios Avanzados del Maule, Universidad Católica del Maule, Chile; Faculty of Medicine, Universidad Católica del Maule, Chile
| | - María Pía Muñoz
- School of Public Health, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | | | - Verónica Iglesias
- School of Public Health, Faculty of Medicine, Universidad de Chile, Santiago, Chile
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Schantz SL, Eskenazi B, Buckley JP, Braun JM, Sprowles JN, Bennett DH, Cordero J, Frazier JA, Lewis J, Hertz-Picciotto I, Lyall K, Nozadi SS, Sagiv S, Stroustrup A, Volk HE, Watkins DJ. A framework for assessing the impact of chemical exposures on neurodevelopment in ECHO: Opportunities and challenges. ENVIRONMENTAL RESEARCH 2020; 188:109709. [PMID: 32526495 PMCID: PMC7483364 DOI: 10.1016/j.envres.2020.109709] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 04/22/2020] [Accepted: 05/19/2020] [Indexed: 05/30/2023]
Abstract
The Environmental influences on Child Health Outcomes (ECHO) Program is a research initiative funded by the National Institutes of Health that capitalizes on existing cohort studies to investigate the impact of early life environmental factors on child health and development from infancy through adolescence. In the initial stage of the program, extant data from 70 existing cohort studies are being uploaded to a database that will be publicly available to researchers. This new database will represent an unprecedented opportunity for researchers to combine data across existing cohorts to address associations between prenatal chemical exposures and child neurodevelopment. Data elements collected by ECHO cohorts were determined via a series of surveys administered by the ECHO Data Analysis Center. The most common chemical classes quantified in multiple cohorts include organophosphate pesticides, polychlorinated biphenyls, polybrominated diphenyl ethers, environmental phenols (including bisphenol A), phthalates, and metals. For each of these chemicals, at least four ECHO cohorts also collected behavioral data during infancy/early childhood using the Child Behavior Checklist. For these chemicals and this neurodevelopmental assessment (as an example), existing data from multiple ECHO cohorts could be pooled to address research questions requiring larger sample sizes than previously available. In addition to summarizing the data that will be available, the article also describes some of the challenges inherent in combining existing data across cohorts, as well as the gaps that could be filled by the additional data collection in the ECHO Program going forward.
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Affiliation(s)
- Susan L Schantz
- Department of Comparative Biosciences, College of Veterinary Medicine, and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
| | - Brenda Eskenazi
- Center for Environmental Research and Children's Health, School of Public Health, University of California Berkeley, Berkeley, CA, USA.
| | - Jessie P Buckley
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA.
| | - Joseph M Braun
- Department of Epidemiology, Brown University, Providence, RI, USA.
| | - Jenna N Sprowles
- Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
| | - Deborah H Bennett
- Department of Public Health Sciences, University of California, Davis, CA, USA.
| | - Jose Cordero
- Department of Epidemiology and Biostatistics, College of Public Health, University of Georgia, Athens, GA, USA.
| | - Jean A Frazier
- Eunice Kennedy Shriver Center, Division of Child and Adolescent Psychiatry, University of Massachusetts Medical School, Worcester, MA, USA.
| | - Johnnye Lewis
- Community Environmental Health Program and Center for Native Environmental Health Equity Research, College of Pharmacy, University of New Mexico Health Sciences Center, Albuquerque, NM, USA.
| | | | - Kristen Lyall
- A.J. Drexel Autism Institute, Drexel University, Philadelphia, PA, USA.
| | - Sara S Nozadi
- Community Environmental Health Program and Center for Native Environmental Health Equity Research, College of Pharmacy, University of New Mexico Health Sciences Center, Albuquerque, NM, USA.
| | - Sharon Sagiv
- Center for Environmental Research and Children's Health, School of Public Health, University of California Berkeley, Berkeley, CA, USA.
| | - AnneMarie Stroustrup
- Division of Newborn Medicine, Department of Pediatrics, Department of Environmental Medicine and Public Health, and Department of Obstetrics, Gynecology and Reproductive Science, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Heather E Volk
- Departments of Mental Health and Environmental Health and Engineering, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA.
| | - Deborah J Watkins
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA.
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Nunes MEM, Schimith LE, Costa-Silva DG, Leandro LP, Martins IK, De Mello RS, Nunes FVM, Santer M, Vieira PB, Posser T, Franco JL. Acute embryonic exposure of zebrafish to permethrin induces behavioral changes related to anxiety and aggressiveness in adulthood. J Psychiatr Res 2020; 121:91-100. [PMID: 31785554 DOI: 10.1016/j.jpsychires.2019.11.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 10/31/2019] [Accepted: 11/13/2019] [Indexed: 12/14/2022]
Abstract
Permethrin (PM) is one of the most used synthetic pyrethroid worldwide. Exposure to this compound during pregnancy and early childhood has been indicated as a risk factor for neurodevelopmental disorders. We evaluated the long-term effects of embryonic PM exposure in different stages of zebrafish development. Briefly, embryos (3 hpf) were exposed to sub-lethal concentrations of PM (25 and 50 μg.L-1) during 24 h and then behavioral parameters were evaluated during embryonic (28 hpf), eleutheroembryonic (3 dpf), larval (7 dpf), and adult stages (90 dpf). PM exposure decreased spontaneous movement at 28 hpf and decreased thigmotaxis in eleutheroembryos. The long-term effects of PM include changes in non-motor behaviors such as fear and anxiety in larva and adults. Adults embryonically exposed to PM also showed a significant increase in aggressiveness parameters. These results demonstrated that embryonic exposure to PM induces persistent neurotoxic effects in adulthood, which can impair the cognitive and behavioral fitness of non-target species contributing to a rise in neurodevelopmental disorders.
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Affiliation(s)
- M E M Nunes
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil; Department of Molecular Biology and Biochemistry, Graduate Program in Biological Sciences, Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - L E Schimith
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - D G Costa-Silva
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - L P Leandro
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - I K Martins
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - R S De Mello
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - F V M Nunes
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - M Santer
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - P B Vieira
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - T Posser
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil
| | - J L Franco
- Oxidative Stress and Cell Signaling Research Group, Interdisciplinary Center for Biotechnology Research - CIPBIOTEC, Campus São Gabriel, Federal University of Pampa, São Gabriel, RS, 97300-000, Brazil; Department of Molecular Biology and Biochemistry, Graduate Program in Biological Sciences, Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS, 97105-900, Brazil.
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Fernández SF, Pardo O, Adam-Cervera I, Montesinos L, Corpas-Burgos F, Roca M, Pastor A, Vento M, Cernada M, Yusà V. Biomonitoring of non-persistent pesticides in urine from lactating mothers: Exposure and risk assessment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 699:134385. [PMID: 31678881 DOI: 10.1016/j.scitotenv.2019.134385] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 08/14/2019] [Accepted: 09/08/2019] [Indexed: 06/10/2023]
Abstract
The aim of the present study was to assess the exposure to pesticides in urine from Spanish lactating mothers (n = 116). Six nonspecific (dialkyl phosphates) and 20 specific metabolites of organophosphate pesticides (OPs), herbicides and pyrethroids were analyzed. The most frequently detected biomarkers were diethyl phosphate, p-nitrophenol, 3,5,6-trichloro-2-pyridinol and 3-phenoxybenzoic acid, whose geometric means were 1.9 ng·mL-1, 0.8 ng·mL-1, 1.5 ng·mL-1 and 1.4 ng·mL-1, respectively. Herbicide metabolites were the least frequently detected biomarkers with detection frequencies between 0% (2,4,5-Trichlorophenoxyacetic acid) and 22% (2,4-Dichlorophenoxyacetic acid). Multiple regression analyses showed that the closeness to a farming activity, the place of residence and the presence of garden/plants at home were some of the most important contributors to urinary levels of pesticide metabolites. Estimated daily intake (EDI), hazard quotient (HQ) and hazard index (HI) were obtained in order to interpret urinary levels of the most frequently detected pesticide metabolites in a risk assessment context. The highest EDIs were obtained for chlorpyrifos (0.40-1.14 μg·kg bw-1·day-1) and deltamethrin (0.34-4.73 μg·kg bw-1·day-1). The calculated HQ for chlorpyrifos, dimethoate, parathion and deltamethrin ranged from 0.01 to 0.47, and HI for OPs ranged from 0.09 to 0.33 showing that apparently there were low health risks due to the exposure to these pesticides in this group of Spanish breastfeeding women.
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Affiliation(s)
- Sandra F Fernández
- Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, FISABIO-Public Health, Av. Catalunya, 21, 46020 Valencia, Spain; Public Health Laboratory of Valencia, Av. Cataluña, 21, 46020 Valencia, Spain
| | - Olga Pardo
- Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, FISABIO-Public Health, Av. Catalunya, 21, 46020 Valencia, Spain; Public Health Laboratory of Valencia, Av. Cataluña, 21, 46020 Valencia, Spain.
| | - Inés Adam-Cervera
- Institute of Materials Science of the University of Valencia (ICMUV), University of Valencia, Catedrático José Beltrán, 2, 46980 Paterna, Spain
| | - Lidia Montesinos
- Public Health Laboratory of Valencia, Av. Cataluña, 21, 46020 Valencia, Spain
| | - Francisca Corpas-Burgos
- Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, FISABIO-Public Health, Av. Catalunya, 21, 46020 Valencia, Spain
| | - Marta Roca
- Analytical Unit, Health Research Institute La Fe, Av. Abril Martorell, 106, 46026 Valencia, Spain
| | - Agustín Pastor
- Department of Analytical Chemistry, University of Valencia, Doctor Moliner 50, 46100, Burjassot, Spain
| | - Máximo Vento
- Neonatal Research Group, Health Research Institute La Fe, Av. Abril Martorell, 106, 46026 Valencia, Spain
| | - María Cernada
- Neonatal Research Group, Health Research Institute La Fe, Av. Abril Martorell, 106, 46026 Valencia, Spain
| | - Vicent Yusà
- Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, FISABIO-Public Health, Av. Catalunya, 21, 46020 Valencia, Spain; Public Health Laboratory of Valencia, Av. Cataluña, 21, 46020 Valencia, Spain; Analytical Unit, Health Research Institute La Fe, Av. Abril Martorell, 106, 46026 Valencia, Spain
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40
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Saillenfait AM, Malard S. Human Risk Associated with Long-Term Exposure to Pyrethroid Insecticides. THE HANDBOOK OF ENVIRONMENTAL CHEMISTRY 2020. [DOI: 10.1007/698_2019_427] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Tang J, Hu Q, Liu B, Lei D, Chen T, Sun Q, Zeng C, Zhang Q. Efficient biodegradation of 3-phenoxybenzoic acid and pyrethroid pesticides by the novel strain Klebsiella pneumoniae BPBA052. Can J Microbiol 2019; 65:795-804. [DOI: 10.1139/cjm-2019-0183] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A novel Klebsiella pneumoniae strain (BPBA052) capable of degrading 3-phenoxybenzoic acid (3-PBA) was isolated from soybean rhizosphere soil. The strain was obtained by screening after enrichment, isolation, and purification using 3-PBA as the sole carbon and energy source. It could degrade 96.37% of 3-PBA (100 mg/L) within 72 h, and its growth and 3-PBA degradation followed kinetics models of logistic growth (XBPBA052 = 0.0883 × e0.0947t / [1 − 0.0792 × (1 − 0.0883 × e0.0947t)]; μm = 0.0947 h–1, X0 = 0.0883, and Xm = 1.1145) and first-order degradation (CBPBA052 = 101.8194 × e–0.0403t, k = 0.0403, t1/2 = 17.22 h), respectively. Based on Box–Behnken response surface analysis, the optimal temperature, pH, and 3-PBA concentration for K. pneumoniae BPBA052 were 35.01 °C, 7.77, and 150 mg/L, respectively. Moreover, pyrethroid pesticides (PPs) (such as β-cypermethrin, permethrin, bifenthrin, deltamethrin, and fenvalerate) and 3-PBA metabolites (including phenol, catechol, and protocatechuate) were efficiently utilized by BPBA052. We propose a novel microbial metabolic pathway for 3-PBA, based on metabolite identification; enzyme-degrading activity; and cloning of the phenol hydroxylase, catechol 1,2-dioxygenase, and protocatechuate 3,4-dioxygenase genes. This study provides a fundamental platform for further studies to reveal the mechanism of biodegradation of 3-BPA and show K. pneumoniae BPBA052 as a potential microbial resource for bioremediation of environments polluted with 3-PBA or PPs.
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Affiliation(s)
- Jie Tang
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
| | - Qiong Hu
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
| | - Bo Liu
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
| | - Dan Lei
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
| | - Tingting Chen
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
| | - Qing Sun
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
| | - Chaoyi Zeng
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
| | - Qing Zhang
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
- Key Laboratory of Food Biotechnology, School of Food and Biotechnology, Xihua University, 610039 Chengdu, Sichuan, P.R. China
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Dalsager L, Fage-Larsen B, Bilenberg N, Jensen TK, Nielsen F, Kyhl HB, Grandjean P, Andersen HR. Maternal urinary concentrations of pyrethroid and chlorpyrifos metabolites and attention deficit hyperactivity disorder (ADHD) symptoms in 2-4-year-old children from the Odense Child Cohort. ENVIRONMENTAL RESEARCH 2019; 176:108533. [PMID: 31229776 DOI: 10.1016/j.envres.2019.108533] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 06/07/2019] [Accepted: 06/10/2019] [Indexed: 05/25/2023]
Abstract
BACKGROUND Pyrethroids and chlorpyrifos are widely used insecticides, but the potential impact of prenatal exposure on child neurodevelopment has only been addressed in few longitudinal studies. OBJECTIVES To investigate associations between prenatal exposure to pyrethroids and chlorpyrifos and traits of ADHD in 2-4-year-old children. METHODS Metabolites of chlorpyrifos and pyrethroids were measured in maternal urine collected at gestational week 28 among 1207 women from the Odense Child Cohort. Of these, 948 completed the Child Behavior Check List for ages 1.5-5 years (CBCL: 1½-5). Negative binomial and logistic regression models were used to estimate relative differences in ADHD problem scores (CBCL: 1½-5 subscale) expressed as the ratio of expected scores between exposure groups and the odds (OR) of scoring equal to or above the 90th percentile in relation to maternal urinary metabolite concentrations (continuous ln2-transformed or categorized into tertiles). The analyses were adjusted for maternal education level, parental psychiatric diagnosis, child age and sex. RESULTS The chlorpyrifos metabolite, 3,5,6-trichloro-2-pyridinol (TCPY), the generic pyrethroid metabolite, 3-phenoxybenzoic acid (3-PBA), and the metabolite of trans-isomers of permethrin, cypermethrin, and cyfluthrin, trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropane-1-carboxylic acid (trans-DCCA), were detected in 90%, 94%, and 11%, respectively, of the urine samples. Each doubling in maternel 3-PBA concentration was associated with a 3% increase in the ADHD score (Ratio: 1.03 (95% CI: 1.00,1.07)) and a 13% higher odds of having a ADHD score ≥ the 90th percentile (OR: 1.13 (1.04,1.38)). Similar associations were seen for 3-PBA as categorical variable (p-trend=0.052 in negative binimoal regression, p-trend=0.007 in logistic regression). Furthermore, concurrent concentrations of 3-PBA and TCPY above their medians were associated with higher ADHD score (Ratio: 1.20 (1.04, 1.38)) and higher odds of scoring ≥ the 90th percentile (OR: 1.98 (1.26, 3.11)). Maternal trans-DCCA above the detection level increased the odds of ADHD symptoms (OR: 1.76 (1.08, 2.86)). The associations were not modified by sex. CONCLUSIONS Prenatal exposure to pyrethroids was associated with ADHD related traits at 2-4 years of age. Considering the widespread use of pyrethroids these results are of concern.
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Affiliation(s)
- Louise Dalsager
- Department of Environmental Medicine; Institute of Public Health, University of Southern Denmark, Odense, Denmark.
| | - Bettina Fage-Larsen
- Department of Child and Adolescent Mental Health Odense, Mental Health Services in the Region of Southern Denmark, Odense, Denmark
| | - Niels Bilenberg
- Department of Child and Adolescent Mental Health Odense, Mental Health Services in the Region of Southern Denmark, Odense, Denmark
| | - Tina Kold Jensen
- Department of Environmental Medicine; Institute of Public Health, University of Southern Denmark, Odense, Denmark; Hans Christian Andersen Children's Hospital, Odense University Hospital, Kløvervænget 23 C, 5000, Odense, Denmark
| | - Flemming Nielsen
- Department of Environmental Medicine; Institute of Public Health, University of Southern Denmark, Odense, Denmark
| | - Henriette Boye Kyhl
- Hans Christian Andersen Children's Hospital, Odense University Hospital, Kløvervænget 23 C, 5000, Odense, Denmark
| | - Philippe Grandjean
- Department of Environmental Medicine; Institute of Public Health, University of Southern Denmark, Odense, Denmark
| | - Helle Raun Andersen
- Department of Environmental Medicine; Institute of Public Health, University of Southern Denmark, Odense, Denmark
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Rauch S, Bradman A, Coker E, Chevrier J, An S, Bornman R, Eskenazi B. Determinants of Exposure to Pyrethroid Insecticides in the VHEMBE Cohort, South Africa. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:12108-12121. [PMID: 30991471 DOI: 10.1021/acs.est.8b02767] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Exposure to pyrethroid insecticides has been linked to adverse health effects, and can originate from several sources, including indoor residual spraying (IRS) for malaria control, home pest control, food contamination, and occupational exposure. We aimed to explore the determinants of urinary pyrethroid metabolite concentrations in a rural population with high pesticide use. The Venda Health Examination of Mothers, Babies and their Environment (VHEMBE) is a birth cohort of 752 mother-child pairs in Limpopo, South Africa. We measured pyrethroid metabolites in maternal urine and collected information on several factors possibly related to pesticide exposure, including IRS, home pesticide use, and maternal factors (e.g., dietary habits and body composition). We performed statistical analysis using both conventional bivariate regressions and Bayesian variable selection methods. Urinary pyrethroid metabolites are consistently associated with pesticide factors around homes, including pesticide application in yards and food stocks, and IRS in the home during pregnancy, while more distant factors such as village spraying are not. High fat intake is associated with higher metabolite concentrations, and women from homes drawing water from wells or springs had marginally higher levels. Home pesticide use is the most consistent correlate of pyrethroid metabolite concentrations, but IRS, dietary habits, and household water source may also be important exposure determinants.
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Affiliation(s)
- Stephen Rauch
- Center for Environmental Research and Children's Health (CERCH), School of Public Health , University of California at Berkeley , Berkeley , California 94720 , United States
| | - Asa Bradman
- Center for Environmental Research and Children's Health (CERCH), School of Public Health , University of California at Berkeley , Berkeley , California 94720 , United States
| | - Eric Coker
- Center for Environmental Research and Children's Health (CERCH), School of Public Health , University of California at Berkeley , Berkeley , California 94720 , United States
| | - Jonathan Chevrier
- Department of Epidemiology, Biostatistics and Occupational Health , McGill University , Montréal , Quebec H3A 1A2 , Canada
| | - Sookee An
- Center for Environmental Research and Children's Health (CERCH), School of Public Health , University of California at Berkeley , Berkeley , California 94720 , United States
| | - Riana Bornman
- Department of Urology , University of Pretoria , Pretoria 0028 , South Africa
- University of Pretoria Institute for Sustainable Malaria Control and School of Health Systems and Public Health , University of Pretoria , Pretoria 0028 , South Africa
| | - Brenda Eskenazi
- Center for Environmental Research and Children's Health (CERCH), School of Public Health , University of California at Berkeley , Berkeley , California 94720 , United States
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Hertz-Picciotto I, Schmidt RJ, Walker CK, Bennett DH, Oliver M, Shedd-Wise KM, LaSalle JM, Giulivi C, Puschner B, Thomas J, Roa DL, Pessah IN, Van de Water J, Tancredi DJ, Ozonoff S. A Prospective Study of Environmental Exposures and Early Biomarkers in Autism Spectrum Disorder: Design, Protocols, and Preliminary Data from the MARBLES Study. ENVIRONMENTAL HEALTH PERSPECTIVES 2018; 126:117004. [PMID: 30465702 PMCID: PMC6371714 DOI: 10.1289/ehp535] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Revised: 09/21/2018] [Accepted: 09/22/2018] [Indexed: 05/21/2023]
Abstract
BACKGROUND Until recently, environmental factors in autism spectrum disorder (ASD) were largely ignored. Over the last decade, altered risks from lifestyle, medical, chemical, and other factors have emerged through various study designs: whole population cohorts linked to diagnostic and/or exposure-related databases, large case-control studies, and smaller cohorts of children at elevated risk for ASD. OBJECTIVES This study aimed to introduce the MARBLES (Markers of Autism Risk in Babies-Learning Early Signs) prospective study and its goals, motivate the enhanced-risk cohort design, describe protocols and main exposures of interest, and present initial descriptive results for the study population. METHODS Families having one or more previous child with ASD were contacted before or during a pregnancy, and once the woman became pregnant, were invited to enroll. Data and biological samples were collected throughout pregnancy, at birth, and until the child's third birthday. Neurodevelopment was assessed longitudinally. The study began enrolling in 2006 and is ongoing. RESULTS As of 30 June 2018, 463 pregnant mothers have enrolled. Most mothers ([Formula: see text]) were thirty years of age or over, including 7.9% who are fourty years of age or over. The sample includes 22% Hispanic and another 25% nonHispanic Black, Asian, or multiracial participants; 24% were born outside the United States. Retention is high: 84% of participants whose pregnancies did not end in miscarriage completed the study or are still currently active. Among children evaluated at 36 months of age, 24% met criteria for ASD, and another 25% were assessed as nonASD nontypical development. CONCLUSION Few environmental studies of ASD prospectively obtain early-life exposure measurements. The MARBLES study fills this gap with extensive data and specimen collection beginning in pregnancy and has achieved excellent retention in an ethnically diverse study population. The 24% familial recurrence risk is consistent with recent reported risks observed in large samples of siblings of children diagnosed with ASD. https://doi.org/10.1289/EHP535.
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Affiliation(s)
- Irva Hertz-Picciotto
- Department of Public Health Sciences, School of Medicine, University of California Davis (UC Davis), Davis, California, USA
- UC Davis MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, UC Davis, Davis, California, USA
| | - Rebecca J Schmidt
- Department of Public Health Sciences, School of Medicine, University of California Davis (UC Davis), Davis, California, USA
- UC Davis MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, UC Davis, Davis, California, USA
| | - Cheryl K Walker
- UC Davis MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, UC Davis, Davis, California, USA
- Department of Obstetrics & Gynecology, School of Medicine, UC Davis, Davis, California, USA
| | - Deborah H Bennett
- Department of Public Health Sciences, School of Medicine, University of California Davis (UC Davis), Davis, California, USA
| | - McKenzie Oliver
- Department of Public Health Sciences, School of Medicine, University of California Davis (UC Davis), Davis, California, USA
- UC Davis MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, UC Davis, Davis, California, USA
| | - Kristine M Shedd-Wise
- Department of Public Health Sciences, School of Medicine, University of California Davis (UC Davis), Davis, California, USA
| | - Janine M LaSalle
- UC Davis MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, UC Davis, Davis, California, USA
- Department of Molecular Biosciences, School of Veterinary Medicine, UC Davis, Davis, California, USA
| | - Cecilia Giulivi
- UC Davis MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, UC Davis, Davis, California, USA
- Department of Medical Microbiology, School of Medicine, UC Davis, Davis, California, USA
| | - Birgit Puschner
- UC Davis MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, UC Davis, Davis, California, USA
- Department of Medical Microbiology, School of Medicine, UC Davis, Davis, California, USA
| | - Jennifer Thomas
- Department of Public Health Sciences, School of Medicine, University of California Davis (UC Davis), Davis, California, USA
- UC Davis MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, UC Davis, Davis, California, USA
| | - Dorcas L Roa
- UC Davis MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, UC Davis, Davis, California, USA
| | - Isaac N Pessah
- UC Davis MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, UC Davis, Davis, California, USA
- Department of Medical Microbiology, School of Medicine, UC Davis, Davis, California, USA
| | - Judy Van de Water
- UC Davis MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, UC Davis, Davis, California, USA
- Department of Rheumatology and Allergy, School of Medicine, UC Davis, Davis, California, USA
| | - Daniel J Tancredi
- Department of Pediatrics, School of Medicine, UC Davis, Davis, California, USA
| | - Sally Ozonoff
- UC Davis MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, UC Davis, Davis, California, USA
- Department of Psychiatry, School of Medicine, UC Davis, Davis, California, USA
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Dereumeaux C, Saoudi A, Goria S, Wagner V, De Crouy-Chanel P, Pecheux M, Berat B, Zaros C, Guldner L. Urinary levels of pyrethroid pesticides and determinants in pregnant French women from the Elfe cohort. ENVIRONMENT INTERNATIONAL 2018; 119:89-99. [PMID: 29944988 DOI: 10.1016/j.envint.2018.04.042] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 04/13/2018] [Accepted: 04/23/2018] [Indexed: 05/06/2023]
Abstract
Pyrethroids are insecticides which are widely used for agricultural and domestic purposes. The general population can be exposed to them. Given the suspected effects of pesticides on the development of the foetus, exposure to pyrethroids during pregnancy is a major public health concern. The objective of this paper is to describe the urinary levels of the following five pyrethroid metabolites and their associated determinants among pregnant French women in 2011 enrolled in the Elfe cohort (n = 1077): a) 3-phenoxy benzoic (3-PBA), b) 4‑fluoro‑3‑phenoxy benzoic acid (4-F-3-PBA), c) Cis‑3‑(2,2dibromovinyl)‑2,2‑dimethyl cyclopropane-carboxylic acid (Cis-DBCA); d) Cis‑3‑(2,2dichlorovinyl)‑2,2‑dimethyl cyclopropane-carboxylic acid (Cis-DCCA) and e) Trans-3‑(2,2dichlorovinyl)‑2,2‑dimethyl cyclopropane-carboxylic acid (Trans-DCCA). The distribution levels were estimated for each pyrethroid metabolite. Multivariable analyses helped determine the predictors of these levels. All metabolites except 4-F-3-PBA were detected in all the urine samples. The mean urinary concentration of the sum of the metabolites (3-PBA, Cis-DBCA, Cis-DCCA, Trans-DCCA) was 1.18 μg/L, with the highest concentrations observed for 3-PBA. A comparison of these levels with other studies showed that pregnant French women tend to be more exposed to pyrethroids than their American counterparts, less exposed than Chinese and Caribbean mothers, and have similar exposure to Japanese mothers. In our study, urinary levels of pyrethroid metabolites were positively related to smoking during pregnancy, consuming fish and alcohol, domestic pesticide use and living in the vicinity of crops during pregnancy. These findings highlight the importance of non-dietary pathways when evaluating exposure to pyrethroids.
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Affiliation(s)
| | - Abdesattar Saoudi
- Santé publique France, 12 rue du Vald'Osne 94415 Saint Maurice Cedex, France
| | - Sarah Goria
- Santé publique France, 12 rue du Vald'Osne 94415 Saint Maurice Cedex, France
| | - Vérène Wagner
- Santé publique France, 12 rue du Vald'Osne 94415 Saint Maurice Cedex, France
| | | | - Marie Pecheux
- Santé publique France, 12 rue du Vald'Osne 94415 Saint Maurice Cedex, France
| | - Bénédicte Berat
- Santé publique France, 12 rue du Vald'Osne 94415 Saint Maurice Cedex, France
| | - Cécile Zaros
- French National Institute for Health and Medical Research (Inserm), The "Elfe" INED-INSERM-EFS team, 133, Boulevard Davout, 75020 Paris, France
| | - Laurence Guldner
- Santé publique France, 12 rue du Vald'Osne 94415 Saint Maurice Cedex, France
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Barkoski J, Bennett D, Tancredi D, Barr DB, Elms W, Hertz-Picciotto I. Variability of urinary pesticide metabolite concentrations during pregnancy in the MARBLES Study. ENVIRONMENTAL RESEARCH 2018; 165:400-409. [PMID: 29860212 PMCID: PMC6579749 DOI: 10.1016/j.envres.2018.05.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 05/04/2018] [Accepted: 05/05/2018] [Indexed: 05/17/2023]
Abstract
BACKGROUND Variability of short-lived urinary pesticide metabolites during pregnancy raises challenges for exposure assessment. OBJECTIVES For urinary metabolite concentrations 3-phenoxybenzoic acid (3-PBA) and 3,5,6-trichloro-2-pyridinol (TCPy), we assessed: (1) temporal variability; (2) variation of two urine specimens within a trimester; (3) reliability for pesticide concentrations from a single urine specimen to classify participants into exposure tertiles; and (4) seasonal or year variations. METHODS Pregnant mothers (N = 166) in the MARBLES (Markers of Autism Risk in Babies-Learning Early Signs) Study provided urine specimens (n = 528). First morning void (FMV), pooled, and 24-h specimens were analyzed for 3-PBA and TCPy. For 9 mothers (n = 88 specimens), each urine specimen was analyzed separately (not pooled) to estimate within- and between-person variance components expressed as intraclass correlation coefficients (ICC). Pesticide concentrations from two specimens within a trimester were also assessed using ICC's. Agreement for exposure classifications was assessed with weighted Cohen's kappa statistics. Longitudinal mixed effect models were used to assess seasonal or year variations. RESULTS Urinary pesticide metabolites were detected in ≥ 93% of specimens analyzed. The highest ICC from repeated individual specimens was from specific gravity-corrected FMV specimens for 3-PBA (ICC=0.13). Despite high within-person variability, the median concentrations did not differ across trimesters. Concentrations from pooled specimens had substantial agreement predicting exposure categories for TCPy (K = 0.67, 95% CI (0.59, 0.76)) and moderate agreement for 3-PBA (K = 0.59, 95% CI (0.49, 0.69)). TCPy concentrations significantly decreased from 2007 to 2014. CONCLUSIONS Pooled specimens may improve exposure classification and reduce laboratory costs for compounds with short biological half-lives in epidemiological studies.
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Affiliation(s)
- Jacqueline Barkoski
- Department of Public Health Sciences, School of Medicine, University of California, Davis, CA, USA.
| | - Deborah Bennett
- Department of Public Health Sciences, School of Medicine, University of California, Davis, CA, USA.
| | - Daniel Tancredi
- Department of Pediatrics, School of Medicine, University of California, Davis, CA, USA.
| | - Dana Boyd Barr
- Rollins School of Public Health, Emory University, Atlanta, GA, USA.
| | - William Elms
- Department of Public Health Sciences, School of Medicine, University of California, Davis, CA, USA.
| | - Irva Hertz-Picciotto
- Department of Public Health Sciences, School of Medicine, University of California, Davis, CA, USA; MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, University of California, Davis, CA, USA.
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Bonvallot N, Canlet C, Blas-Y-Estrada F, Gautier R, Tremblay-Franco M, Chevolleau S, Cordier S, Cravedi JP. Metabolome disruption of pregnant rats and their offspring resulting from repeated exposure to a pesticide mixture representative of environmental contamination in Brittany. PLoS One 2018; 13:e0198448. [PMID: 29924815 PMCID: PMC6010212 DOI: 10.1371/journal.pone.0198448] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2017] [Accepted: 05/18/2018] [Indexed: 11/19/2022] Open
Abstract
The use of pesticides exposes humans to numerous harmful molecules. Exposure in early-life may be responsible for adverse effects in later life. This study aimed to assess the metabolic modifications induced in pregnant rats and their offspring by a pesticide mixture representative of human exposure. Ten pregnant rats were exposed to a mixture of eight pesticides: acetochlor (246 μg/kg bw/d) + bromoxynil (12 μg/kg bw/d) + carbofuran (22.5 μg/kg bw/d) + chlormequat (35 μg/kg bw/d) + ethephon (22.5 μg/kg bw/d) + fenpropimorph (15.5 μg/kg bw/d) + glyphosate (12 μg/kg bw/d) + imidacloprid (12.5 μg/kg bw/d) representing the main environmental pesticide exposure in Brittany (France) in 2004. Another group of 10 pregnant rats served as controls. Females were fed ad libitum from early pregnancy, which is from gestational day (GD) 4 to GD 21. Urine samples were collected at GD 15. At the end of the exposure, mothers and pups were euthanized and blood, liver, and brain samples collected. 1H NMR-based metabolomics and GC-FID analyses were performed and PCA and PLS-DA used to discriminate between control and exposed groups. Metabolites for which the levels were significantly modified were then identified using the Kruskal-Wallis test, and p-values were adjusted for multiple testing correction using the False Discovery Rate. The metabolomics analysis revealed many differences between dams of the two groups, especially in the plasma, liver and brain. The modified metabolites are involved in TCA cycle, energy production and storage, lipid and carbohydrate metabolism, and amino-acid metabolism. These modifications suggest that the pesticide mixture may induce oxidative stress associated with mitochondrial dysfunction and the impairment of glucose and lipid metabolism. These observations may reflect liver dysfunction with increased relative liver weight and total lipid content. Similar findings were observed for glucose and energy metabolism in the liver of the offspring, and oxidative stress was also suggested in the brains of male offspring.
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Affiliation(s)
- Nathalie Bonvallot
- Univ Rennes, EHESP, Inserm, Irset (Institut de recherche en santé, environnement et travail)—UMR_S 1085, Rennes, France
- INRA UMR 1331 Toxalim, University of Toulouse, INP, ENVT, EIP, UPS, UMR1331, Toulouse, France
| | - Cécile Canlet
- INRA UMR 1331 Toxalim, University of Toulouse, INP, ENVT, EIP, UPS, UMR1331, Toulouse, France
| | - Florence Blas-Y-Estrada
- INRA UMR 1331 Toxalim, University of Toulouse, INP, ENVT, EIP, UPS, UMR1331, Toulouse, France
| | - Roselyne Gautier
- INRA UMR 1331 Toxalim, University of Toulouse, INP, ENVT, EIP, UPS, UMR1331, Toulouse, France
| | - Marie Tremblay-Franco
- INRA UMR 1331 Toxalim, University of Toulouse, INP, ENVT, EIP, UPS, UMR1331, Toulouse, France
| | - Sylvie Chevolleau
- INRA UMR 1331 Toxalim, University of Toulouse, INP, ENVT, EIP, UPS, UMR1331, Toulouse, France
| | - Sylvaine Cordier
- Univ Rennes, EHESP, Inserm, Irset (Institut de recherche en santé, environnement et travail)—UMR_S 1085, Rennes, France
| | - Jean-Pierre Cravedi
- INRA UMR 1331 Toxalim, University of Toulouse, INP, ENVT, EIP, UPS, UMR1331, Toulouse, France
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Lewis RC, Meeker JD, Basu N, Gauthier AM, Cantoral A, Mercado-García A, Peterson KE, Téllez-Rojo MM, Watkins DJ. Urinary metal concentrations among mothers and children in a Mexico City birth cohort study. Int J Hyg Environ Health 2018; 221:609-615. [PMID: 29703512 PMCID: PMC6197859 DOI: 10.1016/j.ijheh.2018.04.005] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2017] [Revised: 04/13/2018] [Accepted: 04/16/2018] [Indexed: 10/17/2022]
Abstract
Personal care product use is a potential source of metals exposure among children, but studies have been limited. We measured urinary concentrations of 10 metals (aluminum, arsenic [As], barium [Ba], cadmium, cobalt [Co], lead [Pb], manganese [Mn], molybdenum [Mo], nickel, and zinc [Zn]) in third trimester pregnant women (n = 212) and their children at 8-14 years of age (n = 250). Demographic factors (child sex, age, socioeconomic status, and maternal education), body mass index (BMI) z-score, and child personal care product use in the 24 h prior to urine collection were examined as predictors of urinary metal concentrations. Metals were detected in 80-100% of urine samples, with significant differences in maternal versus childhood levels. However, metal concentrations were not strongly correlated within or between time points. In linear regression models including all demographic characteristics, BMI z-score, and specific gravity, age was associated with higher Co (6% [95% CI: 2, 10]), while BMI z-score was associated with lower Mo (-6% [95% CI: -11, -1). In addition, significantly higher metal concentrations were observed among users of colored cosmetics (Mo: 42% [95% CI: 1, 99]), deodorant (Ba: 28% [3, 58]), hair spray/hair gel (Mn: 22% [3, 45]), and other toiletries (As: 50% [9, 108]), as well as with an increasing number of personal care products used (As: 7% [3, 11]) after adjustment for child sex, age, total number of products used, and specific gravity. However, significantly lower metal concentrations were noted for users of hair cream (As and Zn: -20% [-36, -2] and -21% [-35, -2], respectively), shampoo (Pb: -40% [-62, -7]), and other hair products (Pb: -44% [-65, -9]). We found that personal care product use may be a predictor of exposure to multiple metals among children. Further research is recommended to inform product-specific exposure source identification and related child health risk assessment efforts.
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Affiliation(s)
- Ryan C Lewis
- Center for Health Sciences, Exponent, Inc., Oakland, CA, USA
| | - John D Meeker
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Niladri Basu
- Faculty of Agricultural and Environmental Sciences, McGill University, Montreal, QC, Canada
| | | | - Alejandra Cantoral
- Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca, MOR, Mexico
| | - Adriana Mercado-García
- Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca, MOR, Mexico
| | - Karen E Peterson
- Department of Nutritional Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Martha Maria Téllez-Rojo
- Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca, MOR, Mexico
| | - Deborah J Watkins
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA.
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Eskenazi B, An S, Rauch SA, Coker ES, Maphula A, Obida M, Crause M, Kogut KR, Bornman R, Chevrier J. Prenatal Exposure to DDT and Pyrethroids for Malaria Control and Child Neurodevelopment: The VHEMBE Cohort, South Africa. ENVIRONMENTAL HEALTH PERSPECTIVES 2018; 126:047004. [PMID: 29648420 PMCID: PMC6071803 DOI: 10.1289/ehp2129] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 02/22/2018] [Accepted: 02/23/2018] [Indexed: 05/22/2023]
Abstract
BACKGROUND Although indoor residual spraying (IRS) with dichlorodiphenyltrichloroethane (DDT) and pyrethroids effectively controls malaria, it potentially increases human exposure to these insecticides. Previous studies suggest that prenatal exposure to these insecticides may impact human neurodevelopment. OBJECTIVES We aimed to estimate the effects of maternal insecticide exposure and neurodevelopment of toddlers living in a malaria-endemic region currently using IRS. METHODS The Venda Health Examination of Mothers, Babies and their Environment (VHEMBE) is a birth cohort of 752 mother-child pairs in Limpopo, South Africa. We measured maternal exposure to DDT and its breakdown product, dichlorodiphenyldichloroethylene (DDE), in maternal serum, and measured pyrethroid metabolites in maternal urine. We assessed children's neurodevelopment at 1 and 2 y of age using the Bayley Scales of Infant Development, third edition (BSID-III), and examined associations with maternal exposure. RESULTS DDT and DDE were not associated with significantly lower scores for any BSID-III scale. In contrast, each 10-fold increase in cis-DCCA, trans-DCCA, and 3-phenoxybenzoic acid were associated, respectively, with a -0.63 (95% CI: -1.14, -0.12), -0.48 (95% CI: -0.92, -0.05), and -0.58 (-1.11, -0.06) decrement in Social-Emotional scores at 1 y of age. In addition, each 10-fold increase in maternal cis-DBCA levels was associated with significant decrements at 2 y of age in Language Composite scores and Expressive Communication scores [β=-1.74 (95% CI: -3.34, -0.13) and β=-0.40 (95% CI: -0.77, -0.04), respectively, for a 10-fold increase]. Significant differences by sex were estimated for pyrethroid metabolites and motor function scores at 2 y of age, with higher scores for boys and lower scores for girls. CONCLUSIONS Prenatal exposure to pyrethroids may be associated at 1 y of age with poorer social-emotional development. At 2 y of age, poorer language development was observed with higher prenatal pyrethroid levels. Considering the widespread use of pyrethroids, these findings deserve further investigation. https://doi.org/10.1289/EHP2129.
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Affiliation(s)
- Brenda Eskenazi
- Center for Environmental Research and Children's Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Sookee An
- Center for Environmental Research and Children's Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Stephen A Rauch
- Center for Environmental Research and Children's Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Eric S Coker
- Center for Environmental Research and Children's Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Angelina Maphula
- University of Pretoria Institute for Sustainable Malaria Control and School of Health Systems and Public Health, University of Pretoria, Pretoria, South Africa
| | - Muvhulawa Obida
- University of Pretoria Institute for Sustainable Malaria Control and School of Health Systems and Public Health, University of Pretoria, Pretoria, South Africa
| | - Madelein Crause
- University of Pretoria Institute for Sustainable Malaria Control and School of Health Systems and Public Health, University of Pretoria, Pretoria, South Africa
| | - Katherine R Kogut
- Center for Environmental Research and Children's Health (CERCH), School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Riana Bornman
- University of Pretoria Institute for Sustainable Malaria Control and School of Health Systems and Public Health, University of Pretoria, Pretoria, South Africa
- Department of Urology, University of Pretoria, Pretoria, South Africa
| | - Jonathan Chevrier
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
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50
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Associations of maternal exposure to organophosphate and pyrethroid insecticides and the herbicide 2,4-D with birth outcomes and anogenital distance at 3 months in the Odense Child Cohort. Reprod Toxicol 2018; 76:53-62. [DOI: 10.1016/j.reprotox.2017.12.008] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 12/08/2017] [Accepted: 12/20/2017] [Indexed: 11/23/2022]
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