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Birolli WG, Lanças FM, dos Santos Neto ÁJ, Silveira HCS. Determination of pesticide residues in urine by chromatography-mass spectrometry: methods and applications. Front Public Health 2024; 12:1336014. [PMID: 38932775 PMCID: PMC11199415 DOI: 10.3389/fpubh.2024.1336014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 04/22/2024] [Indexed: 06/28/2024] Open
Abstract
Introduction Pollution has emerged as a significant threat to humanity, necessitating a thorough evaluation of its impacts. As a result, various methods for human biomonitoring have been proposed as vital tools for assessing, managing, and mitigating exposure risks. Among these methods, urine stands out as the most commonly analyzed biological sample and the primary matrix for biomonitoring studies. Objectives This review concentrates on exploring the literature concerning residual pesticide determination in urine, utilizing liquid and gas chromatography coupled with mass spectrometry, and its practical applications. Method The examination focused on methods developed since 2010. Additionally, applications reported between 2015 and 2022 were thoroughly reviewed, utilizing Web of Science as a primary resource. Synthesis Recent advancements in chromatography-mass spectrometry technology have significantly enhanced the development of multi-residue methods. These determinations are now capable of simultaneously detecting numerous pesticide residues from various chemical and use classes. Furthermore, these methods encompass analytes from a variety of environmental contaminants, offering a comprehensive approach to biomonitoring. These methodologies have been employed across diverse perspectives, including toxicological studies, assessing pesticide exposure in the general population, occupational exposure among farmers, pest control workers, horticulturists, and florists, as well as investigating consequences during pregnancy and childhood, neurodevelopmental impacts, and reproductive disorders. Future directions Such strategies were essential in examining the health risks associated with exposure to complex mixtures, including pesticides and other relevant compounds, thereby painting a broader and more accurate picture of human exposure. Moreover, the implementation of integrated strategies, involving international research initiatives and biomonitoring programs, is crucial to optimize resource utilization, enhancing efficiency in health risk assessment.
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Affiliation(s)
- Willian Garcia Birolli
- Molecular Oncology Research Center, Barretos Cancer Hospital, São Paulo, Brazil
- Chromatography Group, São Carlos Institute of Chemistry, University of São Paulo, São Paulo, Brazil
| | - Fernando Mauro Lanças
- Chromatography Group, São Carlos Institute of Chemistry, University of São Paulo, São Paulo, Brazil
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Momtaz M, Khan MS. Analysis of Chlorpyrifos Pesticide Residue in Locally Grown Cauliflower, Cabbage, and Eggplant Using Gas Chromatography-Mass Spectrometry (GC-MS) Technique: A Bangladesh Perspective. Foods 2024; 13:1780. [PMID: 38891008 PMCID: PMC11171951 DOI: 10.3390/foods13111780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/23/2024] [Accepted: 05/31/2024] [Indexed: 06/20/2024] Open
Abstract
Pesticides are chemical substances used to kill or control various types of pests, which are hazardous for crops and animals. Pesticides may remain on or in foods after these are applied to crops. Pesticide residue in food has been a major global concern since there are direct and indirect health hazards associated with the regular consumption of foods with pesticide residues. Chlorpyrifos is one of the most used pesticides that has received much attention worldwide due to its detrimental health impact. The presence of chlorpyrifos residue in food crops can have both long-term and short-term effects on consumer health. Bangladesh is an agricultural country that uses a high volume of pesticides every year including chlorpyrifos. This experimental study aimed to analyze chlorpyrifos pesticide residue in locally grown cauliflower, cabbage, and eggplant samples by gas chromatography-mass spectrometry (GC-MS) technique followed by a suitable extraction process. Commercially available cauliflower, cabbage, and eggplant samples along with samples cultivated with the recommended pesticide dose were collected for qualitative and quantitative analysis. Samples cultivated without chlorpyrifos were collected as control samples for the validation study. The method was validated with respect to accuracy, recovery, reproducibility, linearity, limit of detection, and limit of quantification. The method has a limit of detection (LOD) of 0.011 mg/kg and a limit of quantification (LOQ) of 0.034 mg/kg. The experimental results were compared to the maximum residue level (MRL) to assess the human health impact. Chlorpyrifos residue was found in 44% of cauliflower samples with 91% of samples higher than MRL. The residue was found in 68% of cabbage samples with 53% of samples higher than MRL. For eggplant, the residue was found in 80% of the samples with 65% of samples higher than MRL. The risk assessment based on the residue level found in this study shows a potential health hazard of having a high concentration of chlorpyrifos residue in locally grown vegetables.
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Affiliation(s)
| | - Mohidus Samad Khan
- Department of Chemical Engineering, Bangladesh University of Engineering & Technology (BUET), Dhaka 1000, Bangladesh;
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Zhang B, Wang Z, Zhang J, Dai Y, Ding J, Guo J, Qi X, Wu C, Zhou Z. Prenatal exposure to per- and polyfluoroalkyl substances, fetal thyroid function, and intelligence quotient at 7 years of age: Findings from the Sheyang Mini Birth Cohort Study. ENVIRONMENT INTERNATIONAL 2024; 187:108720. [PMID: 38718676 DOI: 10.1016/j.envint.2024.108720] [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: 12/04/2023] [Revised: 04/24/2024] [Accepted: 05/03/2024] [Indexed: 05/19/2024]
Abstract
BACKGROUND Prenatal exposure to per- and polyfluoroalkyl substances (PFASs) influences neurodevelopment. Thyroid homeostasis disruption is thought to be a possible underlying mechanism. However, current epidemiological evidence remains inconclusive. OBJECTIVES This study aimed to explore the effects of prenatal PFAS exposure on the intelligence quotient (IQ) of school-aged children and assess the potential mediating role of fetal thyroid function. METHODS The study included 327 7-year-old children from the Sheyang Mini Birth Cohort Study (SMBCS). Cord serum samples were analyzed for 12 PFAS concentrations and 5 thyroid hormone (TH) levels. IQ was assessed using the Wechsler Intelligence Scale for Children-Chinese Revised (WISC-CR). Generalized linear models (GLM) and Bayesian Kernel Machine Regression (BKMR) were used to evaluate the individual and combined effects of prenatal PFAS exposure on IQ. Additionally, the impact on fetal thyroid function was examined using a GLM, and a mediation analysis was conducted to explore the potential mediating roles of this function. RESULTS The molar sum concentration of perfluorinated carboxylic acids (ΣPFCA) in cord serum was significantly negatively associated with the performance IQ (PIQ) of 7-year-old children (β = -6.21, 95 % confidence interval [CI]: -12.21, -0.21), with more pronounced associations observed among girls (β = -9.57, 95 % CI: -18.33, -0.81) than in boys. Negative, albeit non-significant, cumulative effects were noted when considering PFAS mixture exposure. Prenatal exposure to perfluorooctanoic acid, perfluorononanoic acid, and perfluorooctanesulfonic acid was positively associated with the total thyroxine/triiodothyronine ratio. However, no evidence supported the mediating role of thyroid function in the link between PFAS exposure and IQ. CONCLUSIONS Increased prenatal exposure to PFASs negatively affected the IQ of school-aged children, whereas fetal thyroid function did not serve as a mediator in this relationship.
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Affiliation(s)
- Boya Zhang
- School of Public Health/MOE Key Laboratory of Public Health Safety, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Zheng Wang
- School of Public Health/MOE Key Laboratory of Public Health Safety, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Jiming Zhang
- School of Public Health/MOE Key Laboratory of Public Health Safety, Fudan University, No.130 Dong'an Road, Shanghai 200032, China.
| | - Yiming Dai
- School of Public Health/MOE Key Laboratory of Public Health Safety, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Jiayun Ding
- School of Public Health/MOE Key Laboratory of Public Health Safety, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Jianqiu Guo
- School of Public Health/MOE Key Laboratory of Public Health Safety, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Xiaojuan Qi
- School of Public Health/MOE Key Laboratory of Public Health Safety, Fudan University, No.130 Dong'an Road, Shanghai 200032, China; Zhejiang Provincial Center for Disease Control and Prevention, No. 3399 Binsheng Road, Hangzhou 310051, China
| | - Chunhua Wu
- School of Public Health/MOE Key Laboratory of Public Health Safety, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Zhijun Zhou
- School of Public Health/MOE Key Laboratory of Public Health Safety, Fudan University, No.130 Dong'an Road, Shanghai 200032, China.
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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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Cheng X, Lu Q, Lin N, Mao D, Yin S, Gao Y, Tian Y. Prenatal exposure to a mixture of organophosphate flame retardants and infant neurodevelopment: A prospective cohort study in Shandong, China. Int J Hyg Environ Health 2024; 258:114336. [PMID: 38460461 DOI: 10.1016/j.ijheh.2024.114336] [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: 11/02/2023] [Revised: 01/31/2024] [Accepted: 02/04/2024] [Indexed: 03/11/2024]
Abstract
BACKGROUND Previous studies have suggested that prenatal exposure to organophosphate flame retardants (OPFRs) may have adverse effect on early neurodevelopment, but limited data are available in China, and the overall effects of OPFRs mixture are still unclear. OBJECTIVE This study aimed to investigate the association between prenatal exposure to OPFR metabolites mixture and the neurodevelopment of 1-year-old infants. METHODS A total of 270 mother-infant pairs were recruited from the Laizhou Wan (Bay) Birth Cohort in China. Ten OPFR metabolites were measured in maternal urine. Neurodevelopment of 1-year-old infants was assessed using the Gesell Developmental Schedules (GDS) and presented by the developmental quotient (DQ) score. Multivariate linear regression and weighted quantile sum (WQS) regression models were conducted to estimate the association of prenatal exposure to seven individual OPFR metabolites and their mixture with infant neurodevelopment. RESULTS The positive rates of seven OPFR metabolites in the urine of pregnant women were greater than 70% with the median concentration ranged within 0.13-3.53 μg/g creatinine. The multivariate linear regression model showed significant negative associations between bis (1-chloro-2-propyl) phosphate (BCIPP), din-butyl phosphate (DnBP), and total OPFR metabolites exposure and neurodevelopment in all infants. Results from the WQS model consistently revealed that the OPFR metabolites mixture was inversely associated with infant neurodevelopment. Each quartile increased in the seven OPFR metabolites mixture was associated with a 1.59 decrease (95% CI: 2.96, -0.21) in gross motor DQ scores, a 1.41 decrease (95% CI: 2.38, -0.43) in adaptive DQ scores, and a 1.08 decrease (95% CI: 2.15, -0.02) in social DQ scores, among which BCIPP, bis (1, 3-dichloro-2-propyl) phosphate (BDCIPP) and DnBP were the main contributors. CONCLUSION Prenatal exposure to a mixture of OPFRs was negatively associated with early infant neurodevelopment, particularly in gross motor, adaptive, and social domains.
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Affiliation(s)
- Xiaomeng Cheng
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Qi Lu
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Nan Lin
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Dandan Mao
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Shengju Yin
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Yu Gao
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Ying Tian
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China; MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China.
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van Wendel de Joode B, Peñaloza-Castañeda J, Mora AM, Corrales-Vargas A, Eskenazi B, Hoppin JA, Lindh CH. Pesticide exposure, birth size, and gestational age in the ISA birth cohort, Costa Rica. Environ Epidemiol 2024; 8:e290. [PMID: 38617432 PMCID: PMC11008631 DOI: 10.1097/ee9.0000000000000290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 12/18/2023] [Indexed: 04/16/2024] Open
Abstract
Purpose To examine associations of prenatal biomarkers of pesticide exposure with birth size measures and length of gestation among newborns from the Infants' Environmental Health (ISA) birth cohort, Costa Rica. Methods We included 386 singleton liveborn newborns with data on birth size measures, length of gestation, and maternal urinary biomarkers of chlorpyrifos, synthetic pyrethroids, mancozeb, pyrimethanil, and 2, 4-D during pregnancy. We associated biomarkers of exposure with birth outcomes using multivariate linear regression and generalized additive models. Results Concentrations were highest for ethylene thiourea (ETU, metabolite of mancozeb), median = 3.40; p10-90 = 1.90-6.79 µg/L, followed by 3,5,6-trichloro-2-pyridinol (TCP, metabolite of chlorpyrifos) p50 = 1.76 p10-90 = 0.97-4.36 µg/L, and lowest for 2,4-D (p50 = 0.33 p10-90 = 0.18-1.07 µg/L). Among term newborns (≥37 weeks), higher prenatal TCP was associated with lower birth weight and smaller head circumference (e.g., β per 10-fold-increase) during the second half of pregnancy = -129.6 (95% confidence interval [CI] = -255.8, -3.5) grams, and -0.61 (95% CI = -1.05, -0.17) centimeters, respectively. Also, among term newborns, prenatal 2,4-D was associated with lower birth weight (β per 10-fold-increase = -125.1; 95% CI = -228.8, -21.5), smaller head circumference (β = -0.41; 95% CI = -0.78, -0.03), and, during the second half of pregnancy, with shorter body length (β = -0.58; 95% CI = -1.09, -0.07). Furthermore, ETU was nonlinearly associated with head circumference during the second half of pregnancy. Biomarkers of pyrethroids and pyrimethanil were not associated with birth size, and none of the biomarkers explained the length of gestation. Conclusions Prenatal exposure to chlorpyrifos and 2,4-D, and, possibly, mancozeb/ETU, may impair fetal growth.
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Affiliation(s)
- Berna van Wendel de Joode
- Infants’ Environmental Health (ISA) Program, Central American Institute for Studies on Toxic Substances (IRET), Universidad Nacional, Heredia, Costa Rica
| | - Jorge Peñaloza-Castañeda
- Infants’ Environmental Health (ISA) Program, Central American Institute for Studies on Toxic Substances (IRET), Universidad Nacional, Heredia, Costa Rica
| | - Ana M. Mora
- Infants’ Environmental Health (ISA) Program, 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
| | - Andrea Corrales-Vargas
- Infants’ Environmental Health (ISA) Program, Central American Institute for Studies on Toxic Substances (IRET), Universidad Nacional, Heredia, Costa Rica
| | - Brenda Eskenazi
- Center for Environmental Research and Community Health (CERCH), University of California at Berkeley
| | - Jane A. Hoppin
- Center for Human Health and the Environment, North Carolina State University, North Carolina
- Department of Biological Sciences, North Carolina State University, North Carolina
| | - Christian H. Lindh
- Division of Occupational and Environmental Medicine, Lund University, Sweden
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Zeng L, Zhu H, Wang J, Wang Q, Pang Y, Luo Z, Chen A, Qin S, Zhu S. Genetic analysis of a pedigree with MECP2 duplication syndrome in China. BMC Med Genomics 2024; 17:54. [PMID: 38373942 PMCID: PMC10875745 DOI: 10.1186/s12920-024-01831-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 02/10/2024] [Indexed: 02/21/2024] Open
Abstract
BACKGROUND MECP2 duplication syndrome (MDS) is a rare X-linked genomic disorder that primarily affects males. It is characterized by delayed or absent speech development, severe motor and cognitive impairment, and recurrent respiratory infections. MDS is caused by the duplication of a chromosomal region located on chromosome Xq28, which contains the methyl CpG binding protein-2 (MECP2) gene. MECP2 functions as a transcriptional repressor or activator, regulating genes associated with nervous system development. The objective of this study is to provide a clinical description of MDS, including imaging changes observed from the fetal period to the neonatal period. METHODS Conventional G-banding was employed to analyze the chromosome karyotypes of all pedigrees under investigation. Subsequently, whole exome sequencing (WES), advanced biological information analysis, and pedigree validation were conducted, which were further confirmed by copy number variation sequencing (CNV-seq). RESULTS Chromosome karyotype analysis revealed that a male patient had a chromosome karyotype of 46,Y,dup(X)(q27.2q28). Whole-exon duplication in the MECP2 gene was revealed through WES results. CNV-seq validation confirmed the presence of Xq27.1q28 duplicates spanning 14.45 Mb, which was inherited from a mild phenotype mother. Neither the father nor the mother's younger brother carried this duplication. CONCLUSION In this study, we examined a male child in a family who exhibited developmental delay and recurrent respiratory tract infections as the main symptoms. We conducted thorough family investigations and genetic testing to determine the underlying causes of the disease. Our findings will aid in early diagnosis, genetic counseling for male patients in this family, as well as providing prenatal diagnosis and reproductive guidance for female carriers.
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Affiliation(s)
- Lan Zeng
- Department of Medical Genetics and Prenatal Diagnosis, Sichuan Provincial Maternity and Child Health Care Hospital, Chengdu, Sichuan, China
| | - Hui Zhu
- Department of Pediatrics, Sichuan Provincial Maternity and Child Health Care Hospital, No. 290, Sha Yan West 2Nd Road, Chengdu, 610031, Sichuan, China
| | - Jin Wang
- Department of Medical Genetics and Prenatal Diagnosis, Sichuan Provincial Maternity and Child Health Care Hospital, Chengdu, Sichuan, China
| | - Qiyan Wang
- Department of Radiology, Sichuan Provincial Maternity and Child Health Care Hospital, Chengdu, Sichuan, China
| | - Ying Pang
- Department of Pediatrics, Sichuan Provincial Maternity and Child Health Care Hospital, No. 290, Sha Yan West 2Nd Road, Chengdu, 610031, Sichuan, China
| | - Zemin Luo
- Department of Pediatrics, Sichuan Provincial Maternity and Child Health Care Hospital, No. 290, Sha Yan West 2Nd Road, Chengdu, 610031, Sichuan, China
| | - Ai Chen
- Department of Pediatrics, Sichuan Provincial Maternity and Child Health Care Hospital, No. 290, Sha Yan West 2Nd Road, Chengdu, 610031, Sichuan, China
| | - Shengfang Qin
- Department of Medical Genetics and Prenatal Diagnosis, Sichuan Provincial Maternity and Child Health Care Hospital, Chengdu, Sichuan, China
| | - Shuyao Zhu
- Department of Pediatrics, Sichuan Provincial Maternity and Child Health Care Hospital, No. 290, Sha Yan West 2Nd Road, Chengdu, 610031, Sichuan, China.
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Tian W, Zhao X, Xu H, Sun Y, Zhu M. Application of the Hammersmith Infant Neurological Examination in the developmental follow-up of high-risk infants. Dev Med Child Neurol 2024. [PMID: 38308400 DOI: 10.1111/dmcn.15855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 12/14/2023] [Accepted: 12/19/2023] [Indexed: 02/04/2024]
Abstract
AIM To investigate the independent influences affecting the global score of the Hammersmith Infant Neurological Examination (HINE) in the early life of high-risk infants and to provide evidence for early effective screening and for evaluating interventions. METHOD We conducted a prospective cohort study of 258 high-risk infants assessed by the HINE and Gesell Developmental Diagnosis Schedule at 3, 6, 9, and 12 months corrected age. A multiple linear regression model was developed to investigate independent influences on HINE global score at 3 months corrected age. The accuracy of the HINE global score was analysed by calculating the discriminant, concurrent, and predictive validities according to ages. RESULTS There were nine independent influences affecting the HINE global score at 3 months corrected age in high-risk infants. The discriminant, concurrent, and predictive validities of the HINE for gross motor developmental delays at 12 months corrected age were all statistically significant (p < 0.05). INTERPRETATION Different neonatal clinical settings are related to the HINE global score of high-risk infants early in life. The HINE can be used for longitudinal monitoring of neurological development in the first year of life in a typical Chinese clinical setting and the findings at all four ages tested relate to neuromotor outcomes at 12 months corrected age.
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Affiliation(s)
- Weiwei Tian
- Department of Rehabilitation, Children's Hospital of Nanjing Medical University, Nanjing, China
- Department of Child Health Care, Qinhuai Maternal and Child Health Care Institution of Nanjing, Nanjing, China
| | - Xiaoke Zhao
- Department of Rehabilitation, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Hong Xu
- Department of Rehabilitation, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Yaojin Sun
- Department of Rehabilitation, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Min Zhu
- Department of Rehabilitation, Children's Hospital of Nanjing Medical University, Nanjing, China
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巍 田, 科 赵, 红 徐, 金 孙, 敏 朱. Hammersmith. Dev Med Child Neurol 2024. [PMID: 38282292 DOI: 10.1111/dmcn.15856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2024]
Abstract
摘要目的探讨影响高危儿生命早期Hammersmith婴儿神经学检查(HINE)总分的独立影响因素,并为早期有效筛查和评估干预疗效提供证据。方法我们对258名高危儿进行了前瞻性队列研究,分别在矫正3、6、9 和12月龄时接受了 HINE和Gesell发育诊断表的评估。一个多元线性回归模型被建立以探究矫正3月龄时HINE总分的独立影响因素。通过计算不同年龄段的区分效度、同时效度和预测效度,分析HINE 总分的准确性。结果高危儿HINE总分在矫正3月龄时有9个独立影响因素。在矫正2月龄时,HINE总分对粗大运动发育迟缓的区分效度、同时效度和预测效度均有统计学意义(P < 0.05)。结果不同的新生儿临床状况与其生命早期HINE总分有关。在典型的中国临床环境中,HINE可用于纵向监测高危儿出生后第一年的神经系统发育情况,而且四个年龄段的筛查结果都与矫正12月龄时的神经运动发育结果有关。
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Xia Z, Lv C, Zhang Y, Shi R, Lu Q, Tian Y, Lei X, Gao Y. Associations of exposure to bisphenol A and its substitutes with neurodevelopmental outcomes among infants at 12 months of age: A cross-sectional study. CHEMOSPHERE 2023; 341:139973. [PMID: 37640215 DOI: 10.1016/j.chemosphere.2023.139973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 08/16/2023] [Accepted: 08/25/2023] [Indexed: 08/31/2023]
Abstract
BACKGROUND Bisphenol A (BPA) exposure has been linked to adverse childhood neurodevelopment, but little is known about whether BPA substitutes exposures are also related to childhood neurodevelopment. OBJECTIVES To investigate the associations of exposure to BPA and its substitutes with infant neurodevelopment at 12 months. METHODS A total of 420 infants at 12 months were included from the Laizhou Wan (Bay) Birth Cohort in Shandong, China. Urinary concentrations of BPA and its substitutes including bisphenol S (BPS), bisphenol B (BPB), bisphenol AF (BPAF), bisphenol AP (BPAP), bisphenol P (BPP) and bisphenol Z (BPZ) were measured. Developmental quotient (DQ) scores based on the Gesell Development Schedules (GDS) were used to evaluate infant neurodevelopment. The multivariable linear regression and weighted quantile sum (WQS) regression were applied to estimate the associations of exposure to individual bisphenols and their mixtures with DQ scores, respectively. Sex-stratified analyses were also performed. RESULTS BPA was detected in most infants (89.05%) and had the highest median concentration (0.709 ng/mL) among all bisphenols. BPA substitutes except BPZ were ubiquitous in infants' urine samples (>70%), and BPS showed the highest median concentration (0.064 ng/mL) followed by BPAP (0.036 ng/mL), BPAF (0.028 ng/mL), BPP (0.015 ng/mL) and BPB (0.013 ng/mL). In multivariable linear regression, only BPAF exposure was inversely associated with social DQ scores among all infants (β = -0.334; 95% CI: -0.650, -0.019). After sex stratification, this inverse association was significant in girls (β = -0.605; 95% CI: -1.030, -0.180). Besides, BPA exposure was negatively related to gross motor DQ scores in boys (β = -1.061; 95% CI: -2.078, -0.045). WQS analyses confirmed these results. CONCLUSIONS Our study suggests that bisphenol exposure during infancy may be associated with poor infant neurodevelopment, and BPAF as a commonly used BPA substitute contributing the most to this adverse association deserves more attention.
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Affiliation(s)
- Zhuanning Xia
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Cheng Lv
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Yan Zhang
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Rong Shi
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Qi Lu
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Ying Tian
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China; MOE-Shanghai Key Laboratory of Children's Environmental Health, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Xiaoning Lei
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
| | - Yu Gao
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
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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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Guo C, Liu Y, Liu Y, Zhang X, Lv L, Li M. Research on knowledge construction and analysis of pesticide exposure to children based on bibliometrics. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:100325-100339. [PMID: 37648921 DOI: 10.1007/s11356-023-29457-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 08/18/2023] [Indexed: 09/01/2023]
Abstract
Pesticide exposure is a major health problem that cannot be ignored, and children are particularly vulnerable and sensitive. As a result, the study of health damage in children caused by pesticide exposure has gradually developed into an important cross-disciplinary research topic. In this study, we reviewed the current state, characteristics, and trends of existing research findings and summarized them comprehensively and systematically through bibliometrics. We collected and examined a large number of studies using Citespace and Vosviewer, employing a clustering method to analyze the effects of pesticide exposure on children and to highlight the hot keywords in the research field. Through an analysis of the active time of high-frequency keywords, we found that the research field is in a hot spot, and the occurrence value of keywords was used to judge the innovation of the research results, thereby highlighting the frontier and key directions of future research in this field. We conclude that in addition to core pesticides, children, exposure, and other malaria and polychlorinated biphenyls also appear as high-frequency keywords in the research field of pesticide exposure effects on children. The core issues of concern in this field include occupational pesticide exposure and childhood leukemia, history of pesticide exposure during pregnancy and childhood leukemia, environmental factors and dietary intake and organophosphorus pesticide exposure in children, and pyrethroid pesticide exposure and neurobehavioral development in children. Future research may focus on how to control the safe use of pesticides, quantitative research on pesticide hazards, and potential effects on children's health.
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Affiliation(s)
- Chunyan Guo
- College of Pharmacy, Qiqihar Medical University, Qiqihar, 161000, China
- Inner Mongolia Traditional Chinese & Mongolian Medical Research Institute, Hohhot, 010010, China
- Inner Mongolia Autonomous Region Hospital of Traditional Chinese Medicine, Hohhot, 010110, China
| | - Yibo Liu
- Inner Mongolia Traditional Chinese & Mongolian Medical Research Institute, Hohhot, 010010, China
- Inner Mongolia Autonomous Region Hospital of Traditional Chinese Medicine, Hohhot, 010110, China
- Inner Mongolia Medical University, Hohhot, China
| | - Yuchao Liu
- College of Pharmacy, Qiqihar Medical University, Qiqihar, 161000, China
| | - Xinyu Zhang
- Inner Mongolia Medical University, Hohhot, China
| | - Lijuan Lv
- Department of Basic Science, Tianjin Agricultural University, Tianjin, 300384, China
| | - Minhui Li
- College of Pharmacy, Qiqihar Medical University, Qiqihar, 161000, China.
- Inner Mongolia Traditional Chinese & Mongolian Medical Research Institute, Hohhot, 010010, China.
- Inner Mongolia Autonomous Region Hospital of Traditional Chinese Medicine, Hohhot, 010110, China.
- Inner Mongolia Medical University, Hohhot, China.
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Chen WX, Liu X, Huang Z, Guo C, Feng F, Zhang Y, Gao Y, Zheng K, Huang J, Yu J, Wei W, Liang S. Autistic clinical profiles, age at first concern, and diagnosis among children with autism spectrum disorder. Front Psychiatry 2023; 14:1211684. [PMID: 37663609 PMCID: PMC10469837 DOI: 10.3389/fpsyt.2023.1211684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 07/25/2023] [Indexed: 09/05/2023] Open
Abstract
Background To explore the relationship between autistic clinical profiles and age at first concern and diagnosis among children with autism spectrum disorder. The clinical profiles included the severity of autism, cognition, adaptability, language development, and regression. Methods The multivariate linear regression model was used to examine the association of diagnostic age and first-concern age with autistic clinical profiles and with further stratification analysis. Results A total of 801 autistic children were included. Language delay and regression were associated with earlier diagnostic age (language delay: crudeβ: -0.80, 95%CI%: -0.92--0.68; regression: crudeβ: -0.21, 95%CI%: -0.43--0.00) and the age of first concern of autistic children (language delay: crudeβ: -0.55, 95%CI%: -0.65--0.45; regression: crudeβ: -0.17, 95%CI%: -0.34--0.00). After stratification by sex, language delay tended to be more associated with the earlier diagnostic age among boys (crudeβ: -0.85, 95%CI%: -0.98--0.72) than among girls (crudeβ: -0.46, 95%CI%: -0.77--0.16). After stratification by maternal education level or family income level, language delay was most associated with the earlier diagnostic age in autistic children from families with higher socioeconomic levels. Conclusion Language delay, rather than other symptoms, promoted an earlier diagnostic age. Among male autistic children or children from families with higher socioeconomic levels, language delay was most significantly associated with an earlier age of diagnosis. Cognitive delay, or adaptive delay, was associated with a later age at diagnosis and presented only in autistic children from families with lower socioeconomic levels. There may be sex or socioeconomic inequality in the diagnostic age for autistic children. More publicity and public education about the diversity of autistic symptoms are urgently needed in the future, especially for low-socioeconomic families.
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Affiliation(s)
- Wen-Xiong Chen
- Department of Neurology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- The Assessment and Intervention Center for Autistic Children, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Department of Child Psychology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Xian Liu
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Department of Children's and Adolescent Health, College of Public Health, Harbin Medical University, Harbin, China
| | - Zhifang Huang
- Department of Neurology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- The Assessment and Intervention Center for Autistic Children, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Cheng Guo
- Department of Neurology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- The Assessment and Intervention Center for Autistic Children, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Fangmei Feng
- Department of Neurology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- The Assessment and Intervention Center for Autistic Children, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Yani Zhang
- Department of Neurology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- The Assessment and Intervention Center for Autistic Children, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Yuanyuan Gao
- Department of Neurology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Kelu Zheng
- Department of Neurology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- The Assessment and Intervention Center for Autistic Children, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Jingyu Huang
- Department of Neurology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- The Assessment and Intervention Center for Autistic Children, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Jing Yu
- The Assessment and Intervention Center for Autistic Children, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Department of Child Psychology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Wenqing Wei
- The Assessment and Intervention Center for Autistic Children, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- Department of Child Psychology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Simin Liang
- Department of Neurology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
- The Assessment and Intervention Center for Autistic Children, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
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Dong Y, Zhang K, Yao H, Jia T, Wang J, Zhu D, Xu F, Cheng M, Zhao S, Shi X. Clinical and genetic characteristics of 36 children with Joubert syndrome. Front Pediatr 2023; 11:1102639. [PMID: 37547106 PMCID: PMC10401045 DOI: 10.3389/fped.2023.1102639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 07/10/2023] [Indexed: 08/08/2023] Open
Abstract
Background and aims Joubert syndrome (JBTS, OMIM # 213300) is a group of ciliopathies characterized by mid-hindbrain malformation, developmental delay, hypotonia, oculomotor apraxia, and breathing abnormalities. Molar tooth sign in brain imaging is the hallmark for diagnosing JBTS. It is a clinically and genetically heterogeneous disorder involving mutations in more than 40 ciliopathy-related genes. However, long-term follow-up data are scarce, and further research is needed to determine the abundant phenotypes and genetics of this disorder. The study aimed to summarize clinical manifestations, particular appearance on cranial imaging, genetic data, and prognostic features of patients with JBTS. Methods A retrospective case review of 36 cases of JBTS from May 1986 to December 2021 was performed. Clinical data of JBTS patients with development retardation and molar tooth sign on cranial imaging as the main features were analyzed. Genetic testing was performed according to consent obtained from patients and their families. The Gesell Developmental Scale was used to evaluate the intelligence level before and after treatment. The children were divided into a purely neurological JBTS (pure JBTS) group and JBTS with multi-organ system involvement group and then followed up every 3-6 months. Results We enrolled 18 males and 18 females. Thirty-four (94.44%) cases had developmental delay, one patient (2.78%) had strabismus, and one patient (2.78%) had intermittent dizziness. There was one case co-morbid with Lesch-Nyhan syndrome. Three-quarters of cases had one or more other organ or system involvement, with a greater predilection for vision and hearing impairment. JBTS could also involve the skin. Thirty-one cases (86.11%) showed a typical molar tooth sign, and five cases showed a bat wing sign on cranial imaging. Abnormal video electroencephalogram (VEEG) result was obtained in 7.69% of cases. We found six JBTS-related novel gene loci variants: CPLANE1: c.4189 + 1G > A, c.3101T > C(p.Ile1034Thr), c.3733T > C (p.Cys1245Arg), c.4080G > A(p.Lys1360=); RPGRIP1l: c.1351-11A > G; CEP120: c.214 C > T(p.Arg72Cys). The CHD7 gene may be potentially related to the occurrence of JBTS. Analysis showed that the prognosis of pure JBTS was better than that of JBTS with neurological and non-neurological involvement after the formal rehabilitation treatment (P < 0.05). Of the three children with seizures, two cases had epilepsy with a poor prognosis, and another case had breath-holding spells. Conclusion Our findings indicate that early cranial imaging is helpful for the etiological diagnosis of children with unexplained developmental delay and multiple malformations. Patients with JBTS may have coexisting skin abnormalities. The novel gene loci of CPLANE1, RPGRIP1l, and CEP120 were associated with JBTS in our study and provided significant information to enrich the related genetic data. Future works investigating several aspects of the association between CHD7 gene and JBTS merit further investigation. The prognosis of children with pure JBTS is better than that of children with JBTS with non-neurological involvement.
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Affiliation(s)
- Yan Dong
- Department of Pediatrics, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Henan Key Laboratory of Child Brain Injury, Institute of Neuroscience and Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Ke Zhang
- Department of Pediatrics, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - He Yao
- Department of Pediatrics, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Tianming Jia
- Department of Pediatrics, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jun Wang
- Department of Children Rehabilitation, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Dengna Zhu
- Department of Children Rehabilitation, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Falin Xu
- Department of Pediatrics, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Meiying Cheng
- Department of Radiology, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Shichao Zhao
- Department of Pediatrics, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiaoyi Shi
- Department of Pediatric Development and Behavior, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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15
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Gimenez-Asensio MJ, Hernandez AF, Romero-Molina D, Gonzalez-Alzaga B, Pérez-Luzardo O, Henríquez-Hernández LA, Boada LD, García-Cortés H, Lopez-Flores I, Sanchez-Piedra MD, Aguilar-Garduño C, Lacasaña M. Effect of prenatal exposure to organophosphates and pyrethroid pesticides on neonatal anthropometric measures and gestational age. ENVIRONMENTAL RESEARCH 2023:116410. [PMID: 37315756 DOI: 10.1016/j.envres.2023.116410] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 06/07/2023] [Accepted: 06/11/2023] [Indexed: 06/16/2023]
Abstract
Several studies have examined the association between prenatal exposure to organophosphate and pyrethroid pesticides and their impact on foetal growth and newborn anthropometry; however, the available evidence is limited and inconclusive. This study examined whether prenatal organophosphate and pyrethroid pesticide exposure was associated with anthropometric measures at birth (weight, length, head circumference), ponderal index, gestational age, and prematurity in 537 mother-child pairs. These were randomly selected from the 800 pairs participating in the prospective birth cohort GENEIDA (Genetics, early life environmental exposures and infant development in Andalusia). Six non-specific organophosphate metabolites (dialkylphosphates, DAPs), one metabolite relatively specific to chlorpyrifos (3,5,6-trichloro-2-pyridinol, TCPy) and a common metabolite to several pyrethroids (3-phenoxybenzoic acid, 3-PBA) were measured in maternal urine from the 1st and 3rd pregnancy trimesters. Information on anthropometric measures at birth, gestational age and prematurity was retrieved from medical records. The sum on a molar basis of DAPs with methyl (ƩDMs) and ethyl (ƩDEs) moieties and the sum of the 6 DAPs metabolites (ƩDAPs) was calculated for both trimesters of pregnancy. High urinary levels of dimethyl phosphate (DMP) during the 3rd trimester were associated with a decrease in birth weight (β = -0.24; 95% CI: 0.41; -0.06) and birth length (β = -0.20; 95% CI: 0.41; 0.02). Likewise, ΣDMs during 3rd trimester were near-significantly associated with decreased birth weight (β = -0.18; 95% CI: 0.37; 0.01). In turn, increased urinary TCPy during 1st trimester was associated with a decreased head circumference (β = -0.31; 95% CI: 0.57; -0.06). Finally, an increase in 3-PBA in the 1st trimester was associated with a decreased gestational age (β = -0.36 95% CI: 0.65-0.08), whereas increased 3-PBA at 1st and 3rd trimester was associated with prematurity. These results indicate that prenatal exposure to organophosphate and pyrethroid insecticides could affect normal foetal growth, shorten gestational age and alter anthropometric measures at birth.
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Affiliation(s)
- María José Gimenez-Asensio
- Andalusian School of Public Health, Granada, Spain; Fundación para La Investigación Biosanitaria de Andalucía Oriental (FIBAO), Granada, Spain; Instituto de Investigación Biosanitaria, Ibs.GRANADA. Granada, Spain
| | - Antonio F Hernandez
- Instituto de Investigación Biosanitaria, Ibs.GRANADA. Granada, Spain; Department of Legal Medicine and Toxicology, University of Granada School of Medicine, Granada, Spain; CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Desire Romero-Molina
- Instituto de Investigación Biosanitaria, Ibs.GRANADA. Granada, Spain; Statistics and Operations Research Department, Faculty of Sciences, University of Granada, Granada, Spain
| | - Beatriz Gonzalez-Alzaga
- Andalusian School of Public Health, Granada, Spain; Fundación para La Investigación Biosanitaria de Andalucía Oriental (FIBAO), Granada, Spain; Instituto de Investigación Biosanitaria, Ibs.GRANADA. Granada, Spain; CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Octavio Pérez-Luzardo
- Research Institute of Biomedical and Health Sciences (IUIBS), Clinical Sciences Department, Universidad de Las Palmas de Gran Canaria, Gran Canaria, Spain; Spanish Biomedical Research Center in Physiopathology of Obesity and Nutrition (CIBERObn), Madrid, Spain
| | - Luis Alberto Henríquez-Hernández
- Research Institute of Biomedical and Health Sciences (IUIBS), Clinical Sciences Department, Universidad de Las Palmas de Gran Canaria, Gran Canaria, Spain; Spanish Biomedical Research Center in Physiopathology of Obesity and Nutrition (CIBERObn), Madrid, Spain
| | - Luis D Boada
- Research Institute of Biomedical and Health Sciences (IUIBS), Clinical Sciences Department, Universidad de Las Palmas de Gran Canaria, Gran Canaria, Spain; Spanish Biomedical Research Center in Physiopathology of Obesity and Nutrition (CIBERObn), Madrid, Spain
| | - Helena García-Cortés
- Andalusian School of Public Health, Granada, Spain; Instituto de Investigación Biosanitaria, Ibs.GRANADA. Granada, Spain
| | - Inmaculada Lopez-Flores
- Instituto de Investigación Biosanitaria, Ibs.GRANADA. Granada, Spain; Department of Genetics, Faculty of Sciences, University of Granada, Granada, Spain
| | | | | | - Marina Lacasaña
- Andalusian School of Public Health, Granada, Spain; Instituto de Investigación Biosanitaria, Ibs.GRANADA. Granada, Spain; CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain; Andalusian Health and Environment Observatory (OSMAN), Granada, Spain.
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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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Fucic A, Mantovani A, Vena J, Bloom MS, Sincic N, Vazquez M, Aguado-Sierra J. Impact of endocrine disruptors from mother's diet on immuno-hormonal orchestration of brain development and introduction of the virtual human twin tool. Reprod Toxicol 2023; 117:108357. [PMID: 36863570 DOI: 10.1016/j.reprotox.2023.108357] [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: 12/21/2022] [Revised: 02/19/2023] [Accepted: 02/22/2023] [Indexed: 03/04/2023]
Abstract
Diet has long been known to modify physiology during development and adulthood. However, due to a growing number of manufactured contaminants and additives over the last few decades, diet has increasingly become a source of exposure to chemicals that has been associated with adverse health risks. Sources of food contaminants include the environment, crops treated with agrochemicals, inappropriate storage (e.g., mycotoxins) and migration of xenobiotics from food packaging and food production equipment. Hence, consumers are exposed to a mixture of xenobiotics, some of which are endocrine disruptors (EDs). The complex interactions between immune function and brain development and their orchestration by steroid hormones are insufficiently understood in human populations, and little is known about the impact on immune-brain interactions by transplacental fetal exposure to EDs via maternal diet. To help to identify the key data gaps, this paper aims to present (a) how transplacental EDs modify immune system and brain development, and (b) how these mechanisms may correlate with diseases such as autism and disturbances of lateral brain development. Attention is given to disturbances of the subplate, a transient structure of crucial significance in brain development. Additionally, we describe cutting edge approaches to investigate the developmental neurotoxicity of EDs, such as the application of artificial intelligence and comprehensive modelling. In the future, highly complex investigations will be performed using virtual brain models constructed using sophisticated multi-physics/multi-scale modelling strategies based on patient and synthetic data, which will enable a greater understanding of healthy or disturbed brain development.
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Affiliation(s)
- A Fucic
- Institute for Medical Research and Occupational Health, Ksaverska C 2, Zagreb, Croatia.
| | - A Mantovani
- Istituto Superiore di Sanità, Department of Food Safety, Nutrition and Veterinary Public Health, Rome, Italy
| | - J Vena
- Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - M S Bloom
- Global and Community Health, George Mason University, 4400 University Dr., Fairfax, VA, USA
| | - N Sincic
- Medical School, University of Zagreb, Salata 3, Croatia
| | - M Vazquez
- Barcelona Supercomputing Center, Plaça Eusebi Güell, 1-3, Barcelona 08034, Spain
| | - J Aguado-Sierra
- Barcelona Supercomputing Center, Plaça Eusebi Güell, 1-3, Barcelona 08034, Spain
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Zhang B, Wang Z, Zhang J, Dai Y, Feng C, Lin Y, Zhang L, Guo J, Qi X, Chang X, Lu D, Wu C, Zhou Z. Prenatal perfluoroalkyl substances exposure and neurodevelopment in toddlers: Findings from SMBCS. CHEMOSPHERE 2023; 313:137587. [PMID: 36535498 DOI: 10.1016/j.chemosphere.2022.137587] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 12/13/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Prenatal perfluoroalkyl substances (PFAS) exposure has been reported to affect offspring neurodevelopment, while epidemiological evidences were limited and inconsistent. OBJECTIVES We aimed to evaluate the associations between cord serum PFAS concentrations and neurodevelopment in toddlers from 1 to 3 years of age. METHODS A total of 716 children from Sheyang Mini Birth Cohort Study (SMBCS) were included in this study. 12 PFAS concentrations were quantified in cord serum. Neurodevelopment was assessed using the Developmental Screen Test for Children Aged 0-6 Years at 1 year and the Gesell Developmental Schedules (GDS) at 2 and 3 years, respectively. Development quotient (DQ) z-score was standardized from DQ to eliminate the difference caused by two methods. We used generalized linear model (GLM) and Bayesian kernel machine regression (BKMR) to explore the associations of single or mixture PFAS exposure with neurodevelopment measurements at each time point. Associations between PFAS exposure and longitudinal changes in DQ z-score were investigated through generalized estimating equation (GEE) and trajectory analysis. RESULTS In general, prenatal PFAS concentrations showed negative associations with neurodevelopment measurements at specific age. When accounting for longitudinal changes from 1 to 3 years of age, PFOA was negatively associated with DQ z-score (β = -0.212, 95% CI: -0.422, -0.003), the association was only found significant in boys after stratified by gender (β = -0.327, 95% CI: -0.616, -0.038). Meanwhile, increased PFBS (OR = 2.159, 95% CI: 1.177, 3.959) and PFHpA (OR = 1.700, 95% CI: 1.016, 2.846) exposure was associated with elevated odds for the low-score trajectory group. The results of mixture of PFAS further confirmed above findings. CONCLUSIONS Our findings suggested that prenatal PFAS exposure may be associated with adverse neurodevelopment effects in the first 3 years of life. Further studies are warranted to confirm our findings.
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Affiliation(s)
- Boya Zhang
- School of Public Health/MOE Key Laboratory of Public Health Safety/ NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai, 200032, China
| | - Zheng Wang
- School of Public Health/MOE Key Laboratory of Public Health Safety/ NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai, 200032, China
| | - Jiming Zhang
- School of Public Health/MOE Key Laboratory of Public Health Safety/ NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai, 200032, China
| | - Yiming Dai
- School of Public Health/MOE Key Laboratory of Public Health Safety/ NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai, 200032, China
| | - Chao Feng
- Shanghai Municipal Center for Disease Control and Prevention/State Environmental Protection Key Laboratory of Environmental Health Impact Assessment of Emerging Contaminants, No. 1380 West Zhongshan Road, Shanghai, 200336, China
| | - Yuanjie Lin
- Shanghai Municipal Center for Disease Control and Prevention/State Environmental Protection Key Laboratory of Environmental Health Impact Assessment of Emerging Contaminants, No. 1380 West Zhongshan Road, Shanghai, 200336, China
| | - Lei Zhang
- School of Public Health/MOE Key Laboratory of Public Health Safety/ NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai, 200032, China
| | - Jianqiu Guo
- School of Public Health/MOE Key Laboratory of Public Health Safety/ NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai, 200032, China
| | - Xiaojuan Qi
- School of Public Health/MOE Key Laboratory of Public Health Safety/ NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai, 200032, China; Zhejiang Provincial Center for Disease Control and Prevention, No. 3399 Binsheng Road, Hangzhou, 310051, China
| | - Xiuli Chang
- School of Public Health/MOE Key Laboratory of Public Health Safety/ NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai, 200032, China
| | - Dasheng Lu
- Shanghai Municipal Center for Disease Control and Prevention/State Environmental Protection Key Laboratory of Environmental Health Impact Assessment of Emerging Contaminants, No. 1380 West Zhongshan Road, Shanghai, 200336, China
| | - Chunhua Wu
- School of Public Health/MOE Key Laboratory of Public Health Safety/ NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai, 200032, China.
| | - Zhijun Zhou
- School of Public Health/MOE Key Laboratory of Public Health Safety/ NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai, 200032, China.
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Kalantzi OI, Castorina R, Gunier RB, Kogut K, Holland N, Eskenazi B, Bradman A. Determinants of organophosphorus pesticide urinary metabolite levels in pregnant women from the CHAMACOS cohort. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 854:158551. [PMID: 36075406 DOI: 10.1016/j.scitotenv.2022.158551] [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: 03/18/2022] [Revised: 09/01/2022] [Accepted: 09/01/2022] [Indexed: 06/15/2023]
Abstract
Organophosphosphorus pesticides (OPs) are widely used as insecticides in agriculture. Human exposure to OPs has been linked to adverse effects including poorer child neurodevelopment, reduced birth weight, altered serum hormone levels, and reduced semen quality. We measured six OP dialkyl phosphate (DAP) metabolites [three dimethyl alkylphosphates (DMs) and three diethyl alkylphosphates (DEs)] in urine samples collected two times during pregnancy (~13 and ~26 weeks gestation) from 594 women participating in the CHAMACOS birth cohort study and resided in an agricultural community in the United States (U.S.) between 1999 and 2000. Previous studies have shown these women have higher OP exposures compared with the general U.S. population. We examined bivariate associations between prenatal DAP metabolite levels and exposure determinants such as age, season, years living in the US, housing characteristics, fruit and vegetable consumption, occupation and residential proximity to agricultural fields. Final multivariable models indicated that season of urine collection was significantly associated (p < 0.01) with specific gravity-adjusted DM, DE and total DAP metabolites; samples collected in fall and winter had higher concentrations than those collected in spring-summer. Specific gravity-adjusted levels of DM and total DAP metabolites were significantly higher in women who had resided in the U.S. for 5 years or less (p < 0.05). Levels of DM metabolites also increased with daily fruit and vegetable servings (p < 0.01), and levels of DE metabolites were higher in residences with poorer housekeeping quality (p < 0.01) and in mothers that worked in agriculture (p < 0.05). These findings suggest that there are multiple determinants of OP exposure in pregnant women.
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Affiliation(s)
- O I Kalantzi
- Department of Environment, University of the Aegean, Mytilene 81100, Greece; Center for Environmental Research and Community Health (CERCH), School of Public Health, University of California at Berkeley, Berkeley, CA, United States.
| | - R Castorina
- Center for Environmental Research and Community Health (CERCH), School of Public Health, University of California at Berkeley, Berkeley, CA, United States
| | - R B Gunier
- Center for Environmental Research and Community Health (CERCH), School of Public Health, University of California at Berkeley, Berkeley, CA, United States
| | - K Kogut
- Center for Environmental Research and Community Health (CERCH), School of Public Health, University of California at Berkeley, Berkeley, CA, United States
| | - N Holland
- Center for Environmental Research and Community Health (CERCH), School of Public Health, University of California at Berkeley, Berkeley, CA, United States
| | - B Eskenazi
- Center for Environmental Research and Community Health (CERCH), School of Public Health, University of California at Berkeley, Berkeley, CA, United States
| | - A Bradman
- Center for Environmental Research and Community Health (CERCH), School of Public Health, University of California at Berkeley, Berkeley, CA, United States; Department of Public Health, University of California, Merced, CA, United States
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20
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Bliznashka L, Roy A, Jaacks LM. Pesticide exposure and child growth in low- and middle-income countries: A systematic review. ENVIRONMENTAL RESEARCH 2022; 215:114230. [PMID: 36087771 PMCID: PMC7614514 DOI: 10.1016/j.envres.2022.114230] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 08/11/2022] [Accepted: 08/26/2022] [Indexed: 05/12/2023]
Abstract
BACKGROUND In low- and middle-income countries (LMICs), pesticides are widely used in agricultural and residential settings. Little is known about how pesticides affect child growth. OBJECTIVES To systematically review and synthesise the evidence on the associations between pesticide exposure and adverse birth outcomes and/or impaired postnatal growth in children up to 5 years of age in LMICs. METHODS We searched 10 databases from inception through November 2021. We included cohort and cross-sectional studies investigating associations between self-reported or measured prenatal or postnatal pesticide exposure and child growth (postnatal child linear/ponderal growth, and/or birth outcomes). Two researchers screened studies, extracted data, and assessed certainty using GRADE. The protocol was preregistered with PROSPERO (CRD42021292919). RESULTS Of 939 records retrieved, 31 studies met inclusion criteria (11 cohort, 20 cross-sectional). All studies assessed prenatal exposure. Twenty-four studies reported on birth weight. Four found positive associations with organochlorines (0.01-0.25 standardised mean difference (SMD)) and two found negative associations (-0.009 SMD to -55 g). Negative associations with organophosphates (-170 g, n = 1) and pyrethroids (-97 to -233 g, n = 2) were also documented. Two (out of 15) studies reporting on birth length found positive associations with organochlorines (0.21-0.25 SMD) and one found negative associations (-0.25 to -0.32 SMD). Organophosphate exposure was negatively associated with birth length (-0.37 cm, n = 1). Organophosphate exposure was also associated with higher risk/prevalence of low birth weight (2 out of nine studies) and preterm birth (2 out of six studies). Certainty of the evidence was "very low" for all outcomes. CONCLUSION The limited literature from LMICs shows inconclusive associations between prenatal pesticide exposure, child growth, and birth outcomes. Studies with accurate quantitative data on exposure to commonly used pesticides in LMICs using consistent methodologies in comparable populations are needed to better understand how pesticides influence child growth.
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Affiliation(s)
- Lilia Bliznashka
- Global Academy of Agriculture and Food Systems, University of Edinburgh, Alexander Robertson Building, Easter Bush Campus, Midlothian, EH25 9RG, UK.
| | - Aditi Roy
- Centre for Environmental Health, Public Health Foundation of India, Plot No. 47, Sector 44, Institutional Area Gurugram, 122002, India
| | - Lindsay M Jaacks
- Global Academy of Agriculture and Food Systems, University of Edinburgh, Alexander Robertson Building, Easter Bush Campus, Midlothian, EH25 9RG, UK
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21
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Zhang J, Li Z, Dai Y, Guo J, Qi X, Liu P, Lv S, Lu D, Liang W, Chang X, Cao Y, Wu C, Zhou Z. Urinary para-nitrophenol levels of pregnant women and cognitive and motor function of their children aged 2 years: Evidence from the SMBCS (China). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 244:114051. [PMID: 36075123 DOI: 10.1016/j.ecoenv.2022.114051] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Urinary para-nitrophenol (PNP), an exposure biomarker of ethyl parathion (EP) and methyl parathion (MP) pesticides, was still pervasively detected in the general population even after global restriction for years. And the concern whether there is an association of PNP level with child development of the nervous system is increasing. The current study aimed to evaluate the maternal urinary PNP concentrations during late pregnancy and the associations of PNP levels with cognitive and motor function of their children at the age of 2 years. METHODS 323 mother-child pairs from the Sheyang Mini Birth Cohort Study were included in the current study. Gas chromatography-tandem mass spectrometry was used to measure concentrations of PNP, the specific metabolite of EP and MP, in maternal urine samples during pregnancy. Developmental quotients (DQs) scores measured with Gesell Developmental Scales were employed to evaluate cognitive and motor function of children aged 2 years. Generalized linear models were performed to analyze the associations of PNP concentrations in pregnant women's urine samples with cognitive and motor function of their children. RESULTS Maternal PNP was detected in all urine samples with a median of 4.11 μg/L and a range from 0.57 μg/L to 109.13 μg/L, respectively. Maternal urinary PNP concentrations showed a negative trend with DQ of motor area [regression coefficient (β) = - 1.35; 95 % confidence interval (95 %CI): - 2.37, - 0.33; P < 0.01], and the children whose mothers were in the fourth quartile exposure group performed significantly worse compared to the reference group (β = - 1.11; 95 %CI: - 1.80, - 0.42; P < 0.01). As for average DQ score, children with their mothers' urinary PNP concentrations in the third quartile group had higher scores than those in the first quartile group (β = 0.39; 95 %CI: 0.03, 0.75; P = 0.04). In sex-stratified analyses, a negative trend between maternal urinary PNP concentrations and DQ scores in motor area of children was only observed in boys (β = - 1.62; 95 %CI: - 2.80, - 0.43; P < 0.01). Boys in the third quartile group had higher DQ average scores than those in the lowest quartile as reference (β = 0.53; 95 %CI: 0.02, 1.04; P = 0.04). CONCLUSIONS The mothers from SMBCS may be widely exposed to EP and/or MP, which were associated with the cognitive and motor function of their children aged 2 years in a sex-specific manner. Our results might provide epidemiology evidence on the potential effects of prenatal exposure to EP and/or MP on children's cognitive and motor function.
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Affiliation(s)
- Jiming Zhang
- School of Public Health/MOE Key Laboratory of Public Health Safety/NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Zeyu Li
- School of Public Health/MOE Key Laboratory of Public Health Safety/NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Yiming Dai
- School of Public Health/MOE Key Laboratory of Public Health Safety/NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Jianqiu Guo
- School of Public Health/MOE Key Laboratory of Public Health Safety/NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Xiaojuan Qi
- School of Public Health/MOE Key Laboratory of Public Health Safety/NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai 200032, China; Zhejiang Provincial Center for Disease Control and Prevention, No.3399 Binsheng Road, Hangzhou 310051, China
| | - Ping Liu
- School of Public Health/MOE Key Laboratory of Public Health Safety/NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Shenliang Lv
- School of Public Health/MOE Key Laboratory of Public Health Safety/NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Dasheng Lu
- Shanghai Municipal Center for Disease Control and Prevention, No.1380 West Zhongshan Road, Shanghai 200336, China
| | - Weijiu Liang
- Shanghai Changning Center for Disease Control and Prevention, No.39 Yunwushan Road, Shanghai 200051, China
| | - Xiuli Chang
- School of Public Health/MOE Key Laboratory of Public Health Safety/NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Yang Cao
- Clinical Epidemiology and Biostatistics, School of Medical Sciences, Örebro University, Örebro 70182, Sweden; Integrative Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm 17177, Sweden
| | - Chunhua Wu
- School of Public Health/MOE Key Laboratory of Public Health Safety/NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai 200032, China.
| | - Zhijun Zhou
- School of Public Health/MOE Key Laboratory of Public Health Safety/NHC Key Lab of Health Technology Assessment, Fudan University, No.130 Dong'an Road, Shanghai 200032, China.
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Thistle JE, Ramos A, Roell KR, Choi G, Manley CK, Hall AM, Villanger GD, Cequier E, Sakhi AK, Thomsen C, Zeiner P, Reichborn-Kjennerud T, Øvergaard KR, Herring A, Aase H, Engel SM. Prenatal organophosphorus pesticide exposure and executive function in preschool-aged children in the Norwegian Mother, Father and Child Cohort Study (MoBa). ENVIRONMENTAL RESEARCH 2022; 212:113555. [PMID: 35613628 PMCID: PMC9484279 DOI: 10.1016/j.envres.2022.113555] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 05/01/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
INTRODUCTION Prenatal exposure to organophosphorus pesticides (OPPs) has been associated with neurodevelopmental deficits in children, however evidence linking OPPs with specific cognitive mechanisms, such as executive function (EF), is limited. OBJECTIVE This study aims to evaluate the association between prenatal exposure to OPPs with multiple measures of EF in preschool-aged children, while considering the role of variant alleles in OPP metabolism genes. METHODS We included 262 children with preschool attention-deficit/hyperactivity disorder (ADHD), and 78 typically developing children, from the Preschool ADHD substudy of the Norwegian, Mother, Father, and Child Cohort Study. Participants who gave birth between 2004 and 2008 were invited to participate in an on-site clinical assessment when the child was approximately 3.5 years; measurements of EF included parent and teacher rating on Behavior Rating Inventory of Executive Function-Preschool (BRIEF-P), and three performance-based assessments. We measured OPP metabolites in maternal urines collected at ∼17 weeks' gestation to calculate total dimethyl- (ΣDMP) and diethyl phosphate (ΣDEP) metabolite concentrations. We estimated multivariable adjusted β's and 95% confidence intervals (CIs) corresponding to a change in z-score per unit increase in log-ΣDMP/DEP. We further characterized gene-OPP interactions for maternal variants in PON1 (Q192R, M55L), CYP1A2 (1548T > C), CYP1A1 (IntG > A) and CYP2A6 (-47A > C). RESULTS Prenatal OPP metabolite concentrations were associated with worse parent and teacher ratings of emotional control, inhibition, and working memory. A one log-∑DMP increase was associated with poorer teacher ratings of EF on the BRIEF-P (e.g. emotional control domain: β = 0.55, 95% CI: 0.35, 0.74), when weighted to account for sampling procedures. We found less consistent associations with performance-based EF assessments. We found some evidence of modification for PON1 Q192R and CYP2A6 -47A > C. Association with other variants were inconsistent. CONCLUSIONS Biomarkers of prenatal OPP exposure were associated with more adverse teacher and parent ratings of EF in preschool-aged children.
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Affiliation(s)
- Jake E Thistle
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
| | - Amanda Ramos
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Kyle R Roell
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Giehae Choi
- Department of Environmental Health and Engineering, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Cherrel K Manley
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Amber M Hall
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Gro D Villanger
- Department of Child Health and Development, Division of Mental and Physical Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Enrique Cequier
- Department of Environmental Health, Division of Infection Control and Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Amrit K Sakhi
- Department of Environmental Health, Division of Infection Control and Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Cathrine Thomsen
- Department of Environmental Health, Division of Infection Control and Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Pål Zeiner
- Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway; Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Ted Reichborn-Kjennerud
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Mental Disorders, Division of Mental and Physical Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Kristin R Øvergaard
- Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway; Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Amy Herring
- Department of Statistical Science, Global Health Institute, Department of Biostatistics and Bioinformatics, Duke University, Durham, NC, USA
| | - Heidi Aase
- Department of Child Health and Development, Division of Mental and Physical Health, Norwegian Institute of Public Health, Oslo, Norway
| | - Stephanie M Engel
- Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Li B, Xu Y, Pang D, Zhao Q, Zhang L, Li M, Li W, Duan G, Zhu C. Interrelation between homocysteine metabolism and the development of autism spectrum disorder in children. Front Mol Neurosci 2022; 15:947513. [PMID: 36046711 PMCID: PMC9421079 DOI: 10.3389/fnmol.2022.947513] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/18/2022] [Indexed: 11/18/2022] Open
Abstract
Evidence is emerging that dysregulation of circulating concentrations of homocysteine, an important intermediate in folate and vitamin B12 metabolism, is associated with autism spectrum disorder (ASD), but comprehensive assessments and correlations with disease characteristics have not been reported. Multivariate ordinal regression and restricted cubic spline (RCS) models were used to estimate independent correlations between serum homocysteine, folate, and vitamin B12 levels and clinical outcomes and severity of children with ASD. After adjusting for confounding factors, serum homocysteine levels were significantly higher in children with ASD than in healthy controls (β: 0.370; 95% CI: 0.299~0.441, p < 0.001). Moreover, homocysteine had a good diagnostic ability for distinguishing children with ASD from healthy subjects (AUC: 0.899, p < 0.001). The RCS model indicated a positive and linear association between serum homocysteine and the risk of ASD. The lowest quartile of folate was positively associated with ASD severity (OR: 4.227, 95% CI: 1.022~17.488, p = 0.041) compared to the highest quartile, and serum folate showed a negative and linear association with ASD severity. In addition, decreased concentrations of folate and vitamin B12 were associated with poor adaptive behavior developmental quotients of the Gesell Developmental Schedules (p < 0.05). Overall, an increased homocysteine level was associated with ASD in a linear manner and is thus a novel diagnostic biomarker for ASD. Decreased concentrations of folate and vitamin B12 were associated with poor clinical profiles of children with ASD. These findings suggest that homocysteine-lowering interventions or folate and vitamin B12 supplementation might be a viable treatment strategy for ASD.
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Affiliation(s)
- Bingbing Li
- Henan Key Laboratory of Child Brain Injury and Henan Pediatric Clinical Research Center, Third Affiliated Hospital and Institute of Neuroscience, Zhengzhou University, Zhengzhou, China
| | - Yiran Xu
- Henan Key Laboratory of Child Brain Injury and Henan Pediatric Clinical Research Center, Third Affiliated Hospital and Institute of Neuroscience, Zhengzhou University, Zhengzhou, China
| | - Dizhou Pang
- Center for Child Behavioral Development, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Qiang Zhao
- Key Clinical Laboratory of Henan Province, Department of Clinical Laboratory, First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Lingling Zhang
- Henan Key Laboratory of Child Brain Injury and Henan Pediatric Clinical Research Center, Third Affiliated Hospital and Institute of Neuroscience, Zhengzhou University, Zhengzhou, China
| | - Ming Li
- Henan Key Laboratory of Child Brain Injury and Henan Pediatric Clinical Research Center, Third Affiliated Hospital and Institute of Neuroscience, Zhengzhou University, Zhengzhou, China
| | - Wenhua Li
- Henan Key Laboratory of Child Brain Injury and Henan Pediatric Clinical Research Center, Third Affiliated Hospital and Institute of Neuroscience, Zhengzhou University, Zhengzhou, China
| | - Guiqin Duan
- Center for Child Behavioral Development, Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Changlian Zhu
- Henan Key Laboratory of Child Brain Injury and Henan Pediatric Clinical Research Center, Third Affiliated Hospital and Institute of Neuroscience, Zhengzhou University, Zhengzhou, China
- Center for Brain Repair and Rehabilitation, Institute of Neuroscience and Physiology, University of Gothenburg, Sahlgrenska Academy, Gothenburg, Sweden
- *Correspondence: Changlian Zhu ;
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Hu P, Li H, Vinturache A, Tian Y, Pan C, Hu Y, Gao Y, Liu Z, Ding G. Urinary organophosphate metabolite concentrations and birth sizes among women conceiving through in vitro fertilization in Shanghai, China. ENVIRONMENTAL RESEARCH 2022; 211:113019. [PMID: 35240114 DOI: 10.1016/j.envres.2022.113019] [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: 11/10/2021] [Revised: 02/04/2022] [Accepted: 02/22/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Few studies have examined the adverse birth sizes of preconception exposure to organophosphate pesticides (OPs) in women undergoing in vitro fertilization (IVF). OBJECTIVES We investigated the relationship of preconception OP exposure with birth sizes among Chinese women undergoing IVF. METHODS This study included 302 couples seeking infertility treatment in the China National Birth Cohort Study, from Shanghai, China, who gave birth to singleton infants between 2018 and 2021. Clinical data were collected from medical records. We measured the concentrations of six nonspecific dialkyl phosphates (DAP) metabolites of OPs [diethylthiophosphate (DETP), diethylphosphate (DEP), diethyldithiophosphate (DEDTP), dimethyldithiophosphate (DMTP), dimethylphosphate (DMP), and dimethyldithiophosphate (DMDTP)] in maternal urine. DMDTP and DEDTP were precluded from further analyses due to the low detection rates. Generalized linear models (GLMs) and weighted quantile sum (WQS) regression analyses were performed to examine the individual and joint effects of OP exposures on gestational age, birth weight, body length, and ponderal index. Odder ratio (OR) of preterm birth were estimated using logistic regression models. RESULTS Women in the highest as compared with lowest quartile of DEP had shorter gestational age (β = - 0.68; 95% CI = -1.24, -0.11). The association was modified by sex, with boys showing larger decreases in gestational age (β = - 0.86; 95% CI = -1.60, -0.13). No associations were found between other DAP metabolites and birth sizes. Results from linear models with individual DAP metabolites were corroborated by the WQS regression where DEP had the largest contribution to the overall mixture effect on gestational age (weight = 0.70). Moreover, DEP concentration was associated with an elevated risk of preterm birth (OR = 1.35, 95% CI = 1.11, 2.25). CONCLUSION Preconception DEP concentration was associated with shortened gestational age and increased risk of preterm birth, and the association was more pronounced among boys than girls.
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Affiliation(s)
- Peipei Hu
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China.
| | - Hong Li
- Departments of Nursing, International Peace Maternity and Children Hospital of China Welfare Institution, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200030, China.
| | - Angela Vinturache
- Department of Obstetrics & Gynecology, Queen Elizabeth II Hospital, Alberta, Canada.
| | - Ying Tian
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China; MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Chengyu Pan
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Yi Hu
- Center for Medical Bioinformatics, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China.
| | - Yu Gao
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Zhiwei Liu
- Departments of Neonatology, International Peace Maternity and Children Hospital of China Welfare Institution, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
| | - Guodong Ding
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University, Shanghai, China.
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25
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Yao Q, Vinturache A, Lei X, Wang Z, Pan C, Shi R, Yuan T, Gao Y, Tian Y. Prenatal exposure to per- and polyfluoroalkyl substances, fetal thyroid hormones, and infant neurodevelopment. ENVIRONMENTAL RESEARCH 2022; 206:112561. [PMID: 34954147 DOI: 10.1016/j.envres.2021.112561] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 12/09/2021] [Accepted: 12/10/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Per- and polyfluoroalkyl substances (PFAS) are believed to impair early neurodevelopment and disrupt thyroid hormone (TH) levels. However, there are limited epidemiological data on the neurodevelopmental effects in infancy of prenatal PFAS exposure and the potential mediating effects of TH. OBJECTIVES To evaluate potential associations between prenatal PFAS exposure and early neurodevelopmental deficiencies, and assess mediator effects of TH. METHODS From 2010 to 2013, 274 mother-infant pairs were recruited to the Laizhou Wan Birth Cohort in China. Ten PFAS and five TH were measured in cord serum. Developmental quotient (DQ) from 5 domains (adaptive, social, language, gross and fine motor) was assessed using Gesell Developmental Schedules for each child at 1 year of age. The associations between PFAS and DQs were evaluated using multivariable linear regressions. TH-mediated effects of PFAS on DQs were calculated by mediation analyses. RESULTS Among our study population, PFAS exposures were common and associated with DQ decrement in infants. For each 10-fold increase in PFBS concentrations, gross motor and adaptive DQ decreased by 8.56 (95%CI: -15.15, -1.97) and 5.87 (95%CI: -8.07, -3.67) points, respectively. TSH mediated 12.90% of the association of PFBS with gross motor DQ and FT4 explained 19.63% of the association of PFBS with adaptive DQ. The negative association was also found between PFHxS exposure and gross motor DQ (β = 8.14, 95%CI: -15.39, -0.98). CONCLUSIONS PFBS and PFHxS were negatively associated with early neurodevelopment, especially consistent in gross motor domain. The associations were partly explained by TSH and FT4.
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Affiliation(s)
- Qian Yao
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | | | - Xiaoning Lei
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zixia Wang
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chengyu Pan
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rong Shi
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Tao Yuan
- State Environmental Protection Key Laboratory of Environmental Health Impact Assessment of Emerging Contaminants, School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Yu Gao
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Ying Tian
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China; MOE-Shanghai Key Laboratory of Children's Environmental Health, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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26
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Zhou J, Zheng Y, Liang G, Xu X, Liu J, Chen S, Ge T, Wen P, Zhang Y, Liu X, Zhuang J, Wu Y, Chen J. Atypical deletion of Williams-Beuren syndrome reveals the mechanism of neurodevelopmental disorders. BMC Med Genomics 2022; 15:79. [PMID: 35379245 PMCID: PMC8981662 DOI: 10.1186/s12920-022-01227-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 03/29/2022] [Indexed: 11/28/2022] Open
Abstract
Genes associated with specific neurocognitive phenotypes in Williams–Beuren syndrome are still controversially discussed. This study identified nine patients with atypical deletions out of 111 patients with Williams–Beuren syndrome; these deletions included seven smaller deletions and two larger deletions. One patient had normal neurodevelopment with a deletion of genes on the distal side of the Williams–Beuren syndrome chromosomal region, including GTF2I and GTF2IRD1. However, another patient retained these genes but showed neurodevelopmental abnormalities. By comparing the genotypes and phenotypes of patients with typical and atypical deletions and previous reports in the literature, we hypothesize that the BAZ1B, FZD9, and STX1A genes may play an important role in the neurodevelopment of patients with WBS.
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Affiliation(s)
- Jianrong Zhou
- Department of Cardiovascular Surgery of Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Ying Zheng
- Department of Nutrition, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Guiying Liang
- Department of Physical Therapy and Rehabilitation, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Xiaoli Xu
- Department of Endocrinology, General Hospital of Central Theater Command, Wuhan, China
| | - Jian Liu
- Department of Cardiovascular Surgery of Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Shaoxian Chen
- Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Research Department of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Tongkai Ge
- Department of Cardiovascular Surgery of Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Pengju Wen
- Department of Cardiovascular Surgery of Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Research Department of Medical Sciences, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Yong Zhang
- Department of Cardiovascular Surgery of Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Xiaoqing Liu
- Division of Epidemiology, Guangdong Provincial People's Hospital and Cardiovascular Institute, Guangzhou, China
| | - Jian Zhuang
- Department of Cardiovascular Surgery of Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Yueheng Wu
- Department of Cardiovascular Surgery of Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China. .,Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China. .,Department of Physical Therapy and Rehabilitation, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.
| | - Jimei Chen
- Department of Cardiovascular Surgery of Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China. .,Guangdong Provincial Key Laboratory of South China Structural Heart Disease, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.
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27
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Liu C, Huang L, Huang S, Wei L, Cao D, Zan G, Tan Y, Wang S, Yang M, Tian L, Tang W, He C, Shen C, Luo B, Zhu M, Liang T, Pang B, Li M, Mo Z, Yang X. Association of both prenatal and early childhood multiple metals exposure with neurodevelopment in infant: A prospective cohort study. ENVIRONMENTAL RESEARCH 2022; 205:112450. [PMID: 34861232 DOI: 10.1016/j.envres.2021.112450] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 10/15/2021] [Accepted: 11/24/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Impaired neurodevelopment of children has become a growing public concern; however, the associations between metals exposure and neurocognitive function have remained largely unknown. OBJECTIVES We systematically evaluated the associations of multiple metals exposure during pregnancy and childhood on the neurodevelopment of children aged 2-3 years. METHODS We measured 22 metals in the serum and urine among703 mother-child pairs from the Guangxi Birth Cohort Study. The neurocognitive development of children was assessed by the Gesell Development Diagnosis Scale (GDDS; Chinese version). Multiple linear regression models were used to evaluate the relationship between the metals (selected by elastic net regression) and the outcomes. The Bayesian kernel machine regression (BKMR) was used to evaluate the possible joint effect between the multiple metal mixture and the outcomes. RESULTS Prenatal aluminum (Al) exposure was negatively associated with the fine motor developmental quotient (DQ) (β = -1.545, 95%CI: 2.231, -0.859), adaption DQ (β = -1.182, 95%CI: 1.632, -0.732), language DQ (β = -1.284, 95% CI: 1.758, -0.809), and social DQ (β = -1.729, 95% CI: 2.406, -1.052) in the multi-metal model. Prenatal cadmium (Cd) exposure was negatively associated with gross motor DQ (β = -2.524, 95% CI: 4.060, -0.988), while postpartum Cd exposure was negatively associated with language DQ (β = -1.678, 95% CI: 3.227, -0.129). In stratified analyses, infants of different sexes had different sensitivities to metal exposure, and neurobehavioral development was more significantly affected by metal exposure in the first and second trimester. BKMR analysis revealed a negative joint effect of the Al, Cd, and selenium (Se) on the language DQ score; postpartum Cd exposure played a major role in this relationship. CONCLUSION Prenatal exposure to Al, Ba, Cd, molybdenum (Mo), lead (Pb), antimony (Sb), and strontium (Sr), and postpartum exposure to cobalt (Co), Cd, stannum (Sn), iron (Fe), nickel (Ni), and Se are associated with neurological development of infants. The first and second trimester might be the most sensitive period when metal exposure affects neurodevelopment.
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Affiliation(s)
- Chaoqun Liu
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, 530021, Nanning, Guangxi, China; Department of Nutrition and Food Hygiene, School of Public Health, Guangxi Medical University, 530021, Nanning, Guangxi, China; Department of Public Health, School of Medicine, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, China
| | - Lulu Huang
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, 530021, Nanning, Guangxi, China; Department of Public Health, School of Medicine, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, China; Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, 530021, Nanning, Guangxi, China
| | - Shengzhu Huang
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, 530021, Nanning, Guangxi, China
| | - Luyun Wei
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, 530021, Nanning, Guangxi, China
| | - Dehao Cao
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, 530021, Nanning, Guangxi, China
| | - Gaohui Zan
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, 530021, Nanning, Guangxi, China; Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, 530021, Nanning, Guangxi, China
| | - Yanli Tan
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, 530021, Nanning, Guangxi, China; Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, 530021, Nanning, Guangxi, China
| | - Sida Wang
- Department of Medical Ultrasonics, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi Province, China
| | - Minjing Yang
- Department of Pediatrics, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi Province, China
| | - Long Tian
- Department of Science and Education, Maternal & Child Health Hospital of Qinzhou, Qinzhou, Guangxi, China
| | - Weijun Tang
- Center for Translational Medicine, Maternal & Child Health Hospital of Qinzhou, Qinzhou, Guangxi, China
| | - Caitong He
- Department of Science and Education, Maternal & Child Health Hospital of Yulin, Yulin, Guangxi, China
| | - Chunhua Shen
- Liuzhou Maternity and Child Healthcare Hospital, Liuzhou Institute of Reproduction and Genetics, Affiliated Maternity Hospital and Affiliated Children's Hospital of Guangxi University of Science and Technology, Liuzhou, Guangxi, China
| | - Bangzhu Luo
- Department of Medical Services Section, Maternal & Child Health Hospital of Guigang, Guigang, Guangxi, China
| | - Maoling Zhu
- Department of Obstetrics, Maternal & Child Health Hospital of Nanning, Nanning, Guangxi, China
| | - Tao Liang
- Department of Pediatrics, Maternal & Child Health Hospital of Wuzhou, Wuzhou, Guangxi, China
| | - Baohong Pang
- Department of Women Health Care, Maternal & Child Health Hospital of Yuzhou, Yulin, Guangxi, China
| | - Mujun Li
- Department of Reproductive Center, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Zengnan Mo
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, 530021, Nanning, Guangxi, China; Department of Urology and Nephrology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xiaobo Yang
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, 530021, Nanning, Guangxi, China; Department of Public Health, School of Medicine, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, China; Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, 530021, Nanning, Guangxi, China.
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28
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Tsuchiyama T, Ito Y, Oya N, Nomasa K, Sato H, Minato K, Kitamori K, Oshima S, Minematsu A, Niwa K, Katsuhara M, Fukatsu K, Miyazaki H, Ebara T, Kamijima M. Quantitative analysis of organophosphate pesticides and dialkylphosphates in duplicate diet samples to identify potential sources of measured urinary dialkylphosphates in Japanese women. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 298:118799. [PMID: 35007670 DOI: 10.1016/j.envpol.2022.118799] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 12/25/2021] [Accepted: 01/04/2022] [Indexed: 06/14/2023]
Abstract
Increased levels of dialkylphosphates (DAP) in maternal urine are associated with a variety of adverse developmental outcomes in children. Although urinary DAP levels are usually considered to be a marker of exposure to organophosphate (OP) pesticides, excretion of DAP may also increase by ingesting preformed DAP. To date, no study has quantitatively assessed the possible contribution of the dietary intake of preformed DAP and OP pesticides to urinary levels of DAP. Therefore, we aimed to estimate the levels of 6 DAPs and 84 OP pesticides in duplicate diet samples and urine samples collected from 73 women living in urban areas of Japan in 2018. DAP and OP pesticides were detected in 94% and 45% of diet samples, while DAP was detected in 100% of urinary samples, respectively. The average daily intake of preformed DAP was significantly higher than that of parent OP pesticides in our participants. Dimethylphosphate and diethylphosphate were predominant in the preformed DAP, and the estimated average daily intake of total amount of DAP was 78.3 nmol. Fruits and vegetables were the major dietary sources of DAP. Dietary intake of DAP was positively associated with urinary DAP levels, suggesting that a considerable amount of urinary DAP was derived from ingesting preformed DAP. Our results show that attributing urinary DAP levels exclusively to OP pesticide exposure would result in a substantial overestimation of the exposure level. Therefore, the urinary levels of DAP may not be suitable for evaluating OP pesticide exposure in the general urban population.
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Affiliation(s)
- Tomoyuki Tsuchiyama
- Department of Food, Nagoya City Public Health Research Institute, Nagoya, 463-8585, Japan
| | - Yuki Ito
- Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan.
| | - Naoko Oya
- Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan; Research Fellow of Japan Society for the Promotion of Science, Tokyo, 102-0083, Japan
| | - Karin Nomasa
- Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
| | - Hirotaka Sato
- Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
| | - Kyoko Minato
- Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
| | - Kazuya Kitamori
- Department of Food and Nutritional Environment, College of Human Life and Environment, Kinjo Gakuin University, Nagoya, 463-8521, Japan
| | - Shiori Oshima
- Department of Food and Nutritional Environment, College of Human Life and Environment, Kinjo Gakuin University, Nagoya, 463-8521, Japan
| | - Ayako Minematsu
- Department of Food and Nutritional Environment, College of Human Life and Environment, Kinjo Gakuin University, Nagoya, 463-8521, Japan
| | - Kazumasa Niwa
- Department of Food, Nagoya City Public Health Research Institute, Nagoya, 463-8585, Japan
| | - Miki Katsuhara
- Department of Food, Nagoya City Public Health Research Institute, Nagoya, 463-8585, Japan
| | - Kosuke Fukatsu
- Department of Food, Nagoya City Public Health Research Institute, Nagoya, 463-8585, Japan
| | - Hitoshi Miyazaki
- Department of Food, Nagoya City Public Health Research Institute, Nagoya, 463-8585, Japan
| | - Takeshi Ebara
- Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
| | - Michihiro Kamijima
- Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, 467-8601, Japan
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29
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Xie X, Wan Y, Zhu B, Liu Q, Zhu K, Jiang Q, Feng Y, Xiao P, Wu X, Zhang J, Meng H, Song R. Association between urinary dialkylphosphate metabolites and dyslexia among children from three cities of China: The READ program. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 814:151852. [PMID: 34826485 DOI: 10.1016/j.scitotenv.2021.151852] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/28/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
Exposure to organophosphate (OP) insecticides has been found to be related to neurodevelopmental disorders in children. However, no study has examined the association between OP insecticide exposure and the risk of dyslexia among children. We aimed to explore the association between OP insecticide exposure, indicated by urinary dialkylphosphate metabolites (DAPs), and the risk of dyslexia among Chinese Han children from three cities. A total of 845 children (422 dyslexics and 423 non-dyslexics) from Tongji Reading Environment and Dyslexia research program were included in the current case-control study. We measured six DAPs in urine samples, collected from November 2017 to December 2020. Logistic regression models were used to estimate odds ratios (ORs) for the association between DAPs and dyslexia risk, adjusting for potential confounders. The detection frequencies of DAPs were above 97.5%, except for diethyldithiophosphate and dimethyldithiophosphate. Diethyl phosphate metabolites (DEs) were significantly associated with the risk of dyslexia. Compared with the lowest quartile, the adjusted ORs of dyslexia risk for the highest quartile of urinary diethylthiophosphate (DETP) and diethylphosphate (DEP) were 1.82 (1.04, 3.20) and 1.85 (1.08, 3.17), respectively. In addition, the adjusted ORs for dyslexia per 10-fold of urinary DEP, DETP, and ∑DEs concentration were 1.87 (1.12, 3.13), 1.55 (1.03, 2.35), and 1.91 (1.13, 3.21), respectively. Analyses stratified by gender indicated that such associations were more significant among boys. This study suggested that exposure to OP insecticides may be related to dyslexia among Chinese Han children from the three studied cities. However, our results should be interpreted with caution because of the case-control design and the fact that only one-spot urine sample was collected from the children. More studies with children living in China are necessary concerning the relatively high levels of urinary OP metabolites in our study.
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Affiliation(s)
- Xinyan Xie
- Department of Maternal and Child Health and MOE (Ministry of Education) Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanjian Wan
- Institute of Environmental Health, Wuhan Centers for Disease Control and Prevention, Wuhan, China.
| | - Bing Zhu
- Hangzhou Center for Disease Control and Prevention, Hangzhou, China
| | - Qi Liu
- Department of Maternal and Child Health and MOE (Ministry of Education) Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kaiheng Zhu
- Department of Maternal and Child Health and MOE (Ministry of Education) Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qi Jiang
- Department of Maternal and Child Health and MOE (Ministry of Education) Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanan Feng
- Department of Maternal and Child Health and MOE (Ministry of Education) Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pei Xiao
- Department of Maternal and Child Health and MOE (Ministry of Education) Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaoqian Wu
- Department of Maternal and Child Health and MOE (Ministry of Education) Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiajia Zhang
- Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC, United States
| | - Heng Meng
- Department of Maternal and Child Health and MOE (Ministry of Education) Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ranran Song
- Department of Maternal and Child Health and MOE (Ministry of Education) Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Jeong JY, Kim B, Ji SY, Baek YC, Kim M, Park SH, Jung H. Effect of Flutriafol Exposure on Residue Characteristics in Pig Muscle and Fat Tissue. Food Sci Anim Resour 2022; 42:186-196. [PMID: 35028583 PMCID: PMC8728499 DOI: 10.5851/kosfa.2021.e61] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/13/2021] [Accepted: 10/14/2021] [Indexed: 01/10/2023] Open
Abstract
This study investigated the effect of exposure to flutriafol based on residues in
pigs. Pigs were exposed to different concentrations (0.313, 0.625, 3.125, 6.25,
and 12.5 mg/kg bw/d, n=20) for 4 wk in different treatment groups. Serum
biochemical analysis, residue levels, and histological analysis were conducted
using the VetTest chemistry analyzer, liquid chromatography mass spectrometry,
and Masson’s trichrome staining, respectively. The body weight (initial
and final) was not significantly different between groups. Parameters such as
creatinine, blood urea nitrogen, alanine aminotransferase, and lipase levels
were significantly different as compared to the control group. Flutriafol
increased the residue limits in individual tissue of the pigs in a dose
dependent manner. Flutriafol exposures indicated the presence of fibrosis, as
confirmed from Masson’s trichrome staining. These results suggest that
flutriafol affects the morphology and serum levels in pigs. The dietary
flutriafol levels can provide a basis for maximum residue limits and food safety
for pork and related products.
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Affiliation(s)
- Jin Young Jeong
- Animal Nutrition & Physiology Division, National Institute of Animal Science, Rural Development Administration, Wanju 55365, Korea
| | - Byeonghyeon Kim
- Animal Nutrition & Physiology Division, National Institute of Animal Science, Rural Development Administration, Wanju 55365, Korea
| | - Sang Yun Ji
- Animal Nutrition & Physiology Division, National Institute of Animal Science, Rural Development Administration, Wanju 55365, Korea
| | - Youl Chang Baek
- Animal Nutrition & Physiology Division, National Institute of Animal Science, Rural Development Administration, Wanju 55365, Korea
| | - Minji Kim
- Animal Nutrition & Physiology Division, National Institute of Animal Science, Rural Development Administration, Wanju 55365, Korea
| | - Seol Hwa Park
- Animal Nutrition & Physiology Division, National Institute of Animal Science, Rural Development Administration, Wanju 55365, Korea
| | - Hyunjung Jung
- Animal Nutrition & Physiology Division, National Institute of Animal Science, Rural Development Administration, Wanju 55365, Korea
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31
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Ramírez V, Gálvez-Ontiveros Y, González-Domenech PJ, Baca MÁ, Rodrigo L, Rivas A. Role of endocrine disrupting chemicals in children's neurodevelopment. ENVIRONMENTAL RESEARCH 2022; 203:111890. [PMID: 34418446 DOI: 10.1016/j.envres.2021.111890] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 07/08/2021] [Accepted: 08/12/2021] [Indexed: 06/13/2023]
Abstract
Environmental stressors, like endocrine disrupting chemicals (EDC), are considered important contributors to the increased rates of neurodevelopmental dysfunctions. Considering the cumulative research on adverse neurodevelopmental effects associated with prenatal exposure to EDC, the purpose of this study was to review the available limited literature about the effects of postnatal exposure to EDC on child neurodevelopment and behaviour. Despite widespread children's exposure to EDC, there are a limited number of epidemiological studies on the association of this exposure with neurodevelopmental disorders, in particular in the postnatal period. The available research suggests that postnatal EDC exposure is related to adverse neurobehavioral outcomes in children; however the underlying mechanisms of action remain unclear. Timing of exposure is a key factor determining potential neurodevelopmental consequences, hence studying the impact of multiple EDC co-exposure in different vulnerable life periods could guide the identification of sensitive subpopulations. Most of the reviewed studies did not take into account sex differences in the EDC effects on children neurodevelopment. We believe that the inclusion of sex in the study design should be considered as the role of EDC on children neurodevelopment are likely sex-specific and should be taken into consideration when determining susceptibility and potential mechanisms of action.
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Affiliation(s)
- Viviana Ramírez
- Department of Nutrition and Food Science, University of Granada, Granada, Spain
| | - Yolanda Gálvez-Ontiveros
- Department of Nutrition and Food Science, University of Granada, Granada, Spain; Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain
| | - Pablo José González-Domenech
- Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain; Department of Psychiatry, University of Granada, Granada, Spain
| | | | - Lourdes Rodrigo
- Department of Legal Medicine and Toxicology, University of Granada, Granada, Spain.
| | - Ana Rivas
- Department of Nutrition and Food Science, University of Granada, Granada, Spain; Instituto de Investigación Biosanitaria ibs. GRANADA, Granada, Spain
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32
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Ambaye TG, Vaccari M, Prasad S, van Hullebusch ED, Rtimi S. Preparation and applications of chitosan and cellulose composite materials. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 301:113850. [PMID: 34619590 DOI: 10.1016/j.jenvman.2021.113850] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 09/22/2021] [Accepted: 09/24/2021] [Indexed: 05/28/2023]
Abstract
Chitosan is a natural fiber, chemically cellulose-like biopolymer, which is processed from chitin. Its use as a natural polymer is getting more attention because it is non-toxic, renewable, and biocompatible. However, its poor mechanical and thermal strength, particle size, and surface area restrict its industrial use. Consequently, to improve these properties, cellulose and/or inorganic nanoparticles have been used. This review discusses the recent progress of chitosan and cellulose composite materials, their preparation, and their applications in different industrial sectors. It also discusses the modification of chitosan and cellulose composite materials to allow their use on a large scale. Finally, the recent development of chitosan composite materials for drug delivery, food packaging, protective coatings, and wastewater treatment are discussed. The challenges and perspectives for future research are also considered. This review suggests that chitosan and cellulose nano-composite are promising, low-cost products for environmental remediation involving a simple production process.
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Affiliation(s)
- Teklit Gebregiorgis Ambaye
- Department of Civil, Environmental, Architectural Engineering and Mathematics, University of Brescia, Via Branze 43, 25123, Brescia, Italy.
| | - Mentore Vaccari
- Department of Civil, Environmental, Architectural Engineering and Mathematics, University of Brescia, Via Branze 43, 25123, Brescia, Italy
| | - Shiv Prasad
- Division of Environment Science, ICAR-Indian Agricultural Research Institute New Delhi, 110012, India
| | - Eric D van Hullebusch
- Université de Paris, Institut de Physique du Globe de Paris, CNRS, UMR 7154, F-75238, Paris, France
| | - Sami Rtimi
- Ecole Polytechnique Fédérale de Lausanne, CH, 1015, Lausanne, Switzerland.
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33
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Lu MS, Lu JH, Zhang LF, Liu X, Zhao X, Nagraj S, Shen SY, Xiao WQ, He JR, Qiu X. Infancy weight gain and neurodevelopmental outcomes among term-born infants at age one year: A large prospective cohort study in China. Child Neuropsychol 2021; 28:554-567. [PMID: 34846268 DOI: 10.1080/09297049.2021.1999402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
To investigate the association between infancy weight gain and neurodevelopment among term-born infants. Singleton term-born infants (n = 5837) were included from the Born in Guangzhou Cohort Study. Absolute weight gain was obtained by calculating the weight difference from birth to exactly 12 months. The primary outcome was neurodevelopment at age one year, which included five developmental domains. Global developmental delay was defined as delays in ≥3 domains. Multivariable logistic regression was used to examine the associations between infancy weight gain and neurodevelopment. Compared with infants gaining 6001-7000 g (reference group), infants gaining ≤5000 g had higher odds of delay in adaptive, gross motor, fine motor, social, and global developmental delay, infants gaining 5001-6000 g had higher odds of gross motor delay and social delay. A sex-stratified analysis showed that compared with the reference group, gaining ≤5000 g was associated with higher odds of fine motor delay in male infants, while gaining >7000 g was associated with higher odds of fine motor delay in females. Inadequate infancy weight gain is associated with higher odds of poor neurodevelopment at age one year among term-born infants.
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Affiliation(s)
- Min-Shan Lu
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Women Health Care, Provincial Key Clinical Specialty of Woman and Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jin-Hua Lu
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Women Health Care, Provincial Key Clinical Specialty of Woman and Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Li-Fang Zhang
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Women Health Care, Provincial Key Clinical Specialty of Woman and Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xian Liu
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Women Health Care, Provincial Key Clinical Specialty of Woman and Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xuan Zhao
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Women Health Care, Provincial Key Clinical Specialty of Woman and Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Shobhana Nagraj
- The George Institute for Global Health, University of Oxford, Oxford, UK.,Nuffield Department of Women's & Reproductive Health, University of Oxford, Oxford, UK.,Health Systems Collaborative, Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Song-Ying Shen
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Women Health Care, Provincial Key Clinical Specialty of Woman and Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Wan-Qing Xiao
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Women Health Care, Provincial Key Clinical Specialty of Woman and Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jian-Rong He
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Women Health Care, Provincial Key Clinical Specialty of Woman and Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.,The George Institute for Global Health, University of Oxford, Oxford, UK.,Nuffield Department of Women's & Reproductive Health, University of Oxford, Oxford, UK
| | - Xiu Qiu
- Division of Birth Cohort Study, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Women Health Care, Provincial Key Clinical Specialty of Woman and Child Health, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China.,Department of Obstetrics and Gynecology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, Guangdong, China
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34
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Cord Blood Manganese Concentrations in Relation to Birth Outcomes and Childhood Physical Growth: A Prospective Birth Cohort Study. Nutrients 2021; 13:nu13124304. [PMID: 34959856 PMCID: PMC8705521 DOI: 10.3390/nu13124304] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 11/26/2021] [Accepted: 11/26/2021] [Indexed: 11/17/2022] Open
Abstract
Gestational exposure to manganese (Mn), an essential trace element, is associated with fetal and childhood physical growth. However, it is unclear which period of growth is more significantly affected by prenatal Mn exposure. The current study was conducted to assess the associations of umbilical cord-blood Mn levels with birth outcomes and childhood continuous physical development. The umbilical cord-blood Mn concentrations of 1179 mother-infant pairs in the Sheyang mini birth cohort were measured by graphite furnace atomic absorption spectrometry (GFAAS). The association of cord-blood Mn concentrations with birth outcomes, and the BMI z-score at 1, 2, 3, 6, 7 and 8 years old, were estimated separately using generalized linear models. The relationship between prenatal Mn exposure and BMI z-score trajectory was assessed with generalized estimating equation models. The median of cord-blood Mn concentration was 29.25 μg/L. Significantly positive associations were observed between Mn exposure and ponderal index (β, regression coefficient = 0.065, 95% CI, confidence interval: 0.021, 0.109; p = 0.004). Mn exposure was negatively associated with the BMI z-score of children aged 1, 2, and 3 years (β = -0.383 to -0.249, p < 0.05), while no significant relationships were found between Mn exposure and the BMI z-score of children at the age of 6, 7, and 8 years. Prenatal Mn exposure was related to the childhood BMI z-score trajectory (β = -0.218, 95% CI: -0.416, -0.021; p = 0.030). These results indicated that prenatal Mn exposure was positively related to the ponderal index (PI), and negatively related to physical growth in childhood, which seemed most significant at an early stage.
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35
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Balalian AA, Liu X, Herbstman JB, Daniel S, Whyatt R, Rauh V, Calafat AM, Wapner R, Factor-Litvak P. Prenatal exposure to organophosphate and pyrethroid insecticides and the herbicide 2,4-dichlorophenoxyacetic acid and size at birth in urban pregnant women. ENVIRONMENTAL RESEARCH 2021; 201:111539. [PMID: 34174256 PMCID: PMC8478820 DOI: 10.1016/j.envres.2021.111539] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 06/10/2021] [Accepted: 06/13/2021] [Indexed: 05/26/2023]
Abstract
BACKGROUND Organophosphate insecticides and the herbicide, 2,4-dichlorophenoxyacetic acid (2,4-D) are used to protect crops or control weeds. Pyrethroids are used to manage pests both in agriculture and in residences, and to reduce the transmission of insect-borne diseases. Several studies have reported inverse associations between exposure to organophosphates (as a larger class) and birth outcomes but these associations have not been conclusive for pyrethroids or 2,4-D, specifically. We aimed to investigate the association between birth outcomes and urinary biomarkers of pyrethroids, organophosphates and 2,4-D among healthy pregnant women living in New York City. METHODS We quantified urinary biomarkers of 2,4-D and of organophosphate and pyrethroid insecticides from 269 women from two cohorts: a) Thyroid Disruption And Infant Development (TDID) and b) Sibling/Hermanos cohort (S/H). We used weighted quantile sum regression and multivariable linear regression models to evaluate the associations between a mixture of urinary creatinine-adjusted biomarker concentrations and birth outcomes of length, birthweight and head circumference, controlling for covariates. We also used linear regression models and further classified biomarkers concentrations into three categories (i: non-detectable; ii: between the limit of detection and median; and iii: above the median) to investigate single pesticides' association with these birth outcomes. Covariates considered were delivery mode, ethnicity, marital status, education, income, employment status, gestational age, maternal age and pre-pregnancy BMI. Analyses were conducted separately for each cohort and stratified by child sex within each cohort. RESULTS In TDID cohort, we found a significant inverse association between weighted quantile sum of mixture of pesticides and head circumference among boys. We found that the urinary biomarkers of organophosphate chlorpyrifos, TCPy, and 2,4-D had the largest contribution to the overall mixture effect in the TDID cohort among boys (b = -0.57, 95%CI: -0.92, -0.22) (weights = 0.81 and 0.16 respectively) but not among girls. In the multivariable linear regression models, we found that among boys, for each log unit increase in 3,5,6-trichloro-2-pyridinol (TCPy, metabolite of organophosphate chlorpyrifos) in maternal urine, there was a -0.56 cm decrease in head circumference (95%CI: -0.92, -0.19). Among boys in the TDID cohort, 2,4-D was associated with smaller head circumference in the second (b = -1.57; 95%CI: -2.74, -0.39) and third (b = -1.74, 95%CI: -2.98, -0.49) concentration categories compared to the first. No associations between pyrethroid and organophosphate biomarkers and birth outcomes were observed in girls analyzed in WQS regression or individually in linear regression models in TDID cohort. In the S/H cohort, head circumference increased with higher concentrations of 3-phenoxybenzoic acid (3-PBA, a biomarker of several pyrethroids) (b = 0.53, 95%CI: 0.03, 1.04) among boys and head circumference was lower among girls in the high compared to low category of 2,4-D (b = -2.27, 95%CI: - 3.98, -0.56). Birth length was also positively associated with the highest concentration of 2,4-D compared to the lowest among boys (b = 4.01, 95%CI: 0.02,8.00). CONCLUSIONS Weighted quantile sum of pesticides was negatively associated with head circumference among boys in one cohort. Nonetheless, due to directional homogeneity assumption in WQS no positive associations were detected. In linear regression models with individual pesticides, concentrations of TCPy were inversely associated with head circumference in boys and higher concentrations of 2,4-D was inversely associated with head circumference among girls; 2,4-D concentrations were also associated with higher birth length among boys. Concentrations of 3-PBA was positively associated with head circumference among boys.
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Affiliation(s)
- Arin A Balalian
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Xinhua Liu
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Julie B Herbstman
- Columbia Center for Children's Environmental Health, Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Sharon Daniel
- Department of Public Health, Israel; Department of Pediatrics, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel; Soroka University Medical Center, Beer-Sheva, Israel; Clalit Health Services, Southern District, Beer-Sheva, Israel
| | - Robin Whyatt
- Columbia Center for Children's Environmental Health, Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Virginia Rauh
- Columbia Center for Children's Environmental Health, Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA; Heilbrunn Department of Population and Family Health, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Antonia M Calafat
- Division of Laboratory Sciences, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Ronald Wapner
- Department of Obstetrics and Gynecology, Columbia University, New York, NY, USA
| | - Pam Factor-Litvak
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA.
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36
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Liu H, Campana AM, Wang Y, Kannan K, Liu M, Zhu H, Mehta-Lee S, Brubaker SG, Kahn LG, Trasande L, Ghassabian A. Organophosphate pesticide exposure: Demographic and dietary predictors in an urban pregnancy cohort. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 283:116920. [PMID: 33839620 DOI: 10.1016/j.envpol.2021.116920] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 03/02/2021] [Accepted: 03/03/2021] [Indexed: 06/12/2023]
Abstract
Pregnant women are widely exposed to organophosphate (OP) pesticides, which are potentially neurotoxicant for the developing fetus. We aimed to identify principal demographic and dietary predictors of OP pesticide exposure among 450 pregnant women participating in the New York University Children's Health and Environment Study (enrolled 2016-19). Urinary concentrations of six dialkyl phosphate (DAP) metabolites (3 dimethyl (DM) metabolites and 3 diethyl (DE) metabolites) of OP pesticides were determined at three time points across pregnancy. At mid-gestation, the Diet History Questionnaire II was used to assess women's dietary intake over the past year. Demographic characteristics were obtained using questionnaires and/or electronic health records. We used linear mixed models to evaluate the associations of demographic and food groups with DAP metabolite levels, and partial-linear single-index (PLSI) models to analyze the contribution proportions of food groups to DAP metabolite concentrations and the dose-response relationships between them. We observed that pregnant women in NYC had lower levels of OP pesticide metabolites than pregnant populations in Europe, Asia, and other regions in the U.S. Having lower pre-pregnancy body mass index and being Asian, employed, and single were associated with higher DAP metabolite concentrations. Fruit and grain intakes were associated with higher ∑DM, ∑DE, and ∑DAP levels. ∑DE concentrations increased 9.0% (95% confidence interval (CI) = 1.2%, 17.4%) per two-fold increase in dairy consumption, whereas ∑DE concentrations decreased 1.8% (95%CI = -3.1%, -0.4%) per two-fold increase in seafood consumption. The PLSI model indicated that among the food mixture, fruit and grains were the main food groups contributed to higher levels of ∑DAP, while meat contributed to lower levels of ∑DAP. The contribution proportions of fruit, grains, and meat were 18.7%, 17.9%, and 39.3%, respectively. Our results suggest that fruit, grains, and meat are major dietary components associated with OP pesticide exposure in urban pregnant women.
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Affiliation(s)
- Hongxiu Liu
- Department of Pediatrics, New York University Grossman School of Medicine, New York, NY, USA.
| | - Anna Maria Campana
- Department of Pediatrics, New York University Grossman School of Medicine, New York, NY, USA
| | - Yuyan Wang
- Department of Population Health, New York University Grossman School of Medicine, New York, NY, USA
| | - Kurunthachalam Kannan
- Department of Pediatrics, New York University Grossman School of Medicine, New York, NY, USA; Department of Environmental Medicine, New York University Grossman School of Medicine, New York, NY, USA
| | - Mengling Liu
- Department of Population Health, New York University Grossman School of Medicine, New York, NY, USA; Department of Environmental Medicine, New York University Grossman School of Medicine, New York, NY, USA
| | - Hongkai Zhu
- Department of Pediatrics, New York University Grossman School of Medicine, New York, NY, USA
| | - Shilpi Mehta-Lee
- Department of Obstetrics and Gynecology, New York University Grossman School of Medicine, New York, NY, USA
| | - Sara G Brubaker
- Department of Obstetrics and Gynecology, New York University Grossman School of Medicine, New York, NY, USA
| | - Linda G Kahn
- Department of Pediatrics, New York University Grossman School of Medicine, New York, NY, USA
| | - Leonardo Trasande
- Department of Pediatrics, New York University Grossman School of Medicine, New York, NY, USA; Department of Population Health, New York University Grossman School of Medicine, New York, NY, USA; Department of Environmental Medicine, New York University Grossman School of Medicine, New York, NY, USA; NYU Wagner School of Public Service, New York, NY, USA; NYU College of Global Public Health, New York, NY, USA
| | - Akhgar Ghassabian
- Department of Pediatrics, New York University Grossman School of Medicine, New York, NY, USA; Department of Population Health, New York University Grossman School of Medicine, New York, NY, USA; Department of Environmental Medicine, New York University Grossman School of Medicine, New York, NY, USA
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37
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Chang CH, Yu CJ, Du JC, Chiou HC, Hou JW, Yang W, Chen CF, Chen HC, Chen YS, Hwang B, Chen ML. The associations among organophosphate pesticide exposure, oxidative stress, and genetic polymorphisms of paraoxonases in children with attention deficit/hyperactivity disorder. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 773:145604. [PMID: 33592467 DOI: 10.1016/j.scitotenv.2021.145604] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 01/25/2021] [Accepted: 01/29/2021] [Indexed: 06/12/2023]
Abstract
This study will help to clarify the relationship between organophosphate pesticides (OPs) and attention deficit/hyperactivity disorder (ADHD) related to oxidative stress and paraoxonases (PON) polymorphisms to further characterize the gene-environment interaction. This case-control study enrolled 85 children with ADHD and 96 control subjects. Urinary OP levels were analyzed by using gas chromatography-mass spectrometry (GC-MS). Oxidative stress biomarkers, such as 8-hydroxy-2-deoxyguanosine (8-OHdG), 8-nitroguanine (8-NO2-Gua), 8-iso-prostaglandin F2α (8-iso-PGF2α), and 4-hydroxy-2-nonenoic acid-mercapturic acid (HNE-MA), were analyzed by using liquid chromatography-tandem mass spectrometry (LC-MS/MS). The relative excess risk due to interaction (RERI), attributable proportion due to interaction (AP), and synergy index (S) were calculated to evaluate the additive interactions between OP exposure and PON genetic polymorphism on ADHD. A causal mediation analysis was conducted to clarify the mediation effects of oxidative stress due to OP exposure on ADHD. Children with ADHD had significantly higher DMP (238.95 nmol/g cre. vs. 164.83 nmol/g cre., p value = 0.01) and HNE-MA (30.75 μg/g cre. vs. 18.41 μg/g cre., p value<0.01) concentrations than control children. Children who carried the PON1 GG genotype (rs705379) had low urinary DMP levels, and the level increased with increasing numbers of allele variants. The risk for developing ADHD reached 2.06-fold (OR = 2.06, 95% CI:1.23-3.44) and 1.43-fold (OR = 1.45, 95% CI:1.04-2.03) when the DMP and HNE-MA levels increased by 1 natural log of the concentration, respectively. The estimated AP value was 0.66 (95% CI: 0.17-1.15), indicating that 66% of ADHD cases in DMP-exposed children with the PON1 CT/TT (rs705381) genotype were due to gene-environment interactions. No significant mediation of HNE-MA was observed between DMP exposure and the risk of ADHD. The estimated proportion mediated was only 7.0% (95% CI: -0.08-0.46). This research suggests the role of OP exposure in the occurrence of ADHD after adjusting for covariates.
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Affiliation(s)
- Chia-Huang Chang
- School of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Ching-Jung Yu
- Institute of Environmental and Occupational Health Sciences, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jung-Chieh Du
- Department of Pediatrics, Taipei City Hospital, Zhongxiao Branch, Taipei, Taiwan
| | - Hsien-Chih Chiou
- Department of Child and Adolescent Psychiatry, Taipei City Hospital, Songde Branch, Taipei, Taiwan
| | - Jia-Woei Hou
- Department of Pediatrics, Cathay General Hospital, Taipei, Taiwan
| | - Winnie Yang
- Department of Pediatrics, Taipei City Hospital, Yangming Branch, Taipei, Taiwan
| | - Chian-Feng Chen
- VYM Genome Research Center, National Yang-Ming University, Taipei, Taiwan
| | - Hsin-Chang Chen
- Institute of Food Safety and Health, National Taiwan University, Taipei, Taiwan
| | - Ying-Sheue Chen
- Department of Psychiatry, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Betau Hwang
- Department of Child and Adolescent Psychiatry, Taipei City Hospital, Songde Branch, Taipei, Taiwan
| | - Mei-Lien Chen
- Institute of Environmental and Occupational Health Sciences, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.
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Urinary Metabolites of Organophosphate Pesticides among Pregnant Women Participating in the Japan Environment and Children's Study (JECS). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18115929. [PMID: 34073036 PMCID: PMC8199379 DOI: 10.3390/ijerph18115929] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 12/17/2022]
Abstract
Organophosphate pesticides (OPPs) exhibit neurodevelopmental toxicity. To evaluate the effect of prenatal exposure to OPPs in the Japan Environment and Children's Study, a nationally representative birth cohort study, 4575 maternal urine samples were analysed for six OPP metabolites, i.e., dialkylphosphates (DAPs). This study aimed to investigate predictors of urinary DAPs using machine learning approaches and to assess the cumulative risk based on relative potency factors among Japanese pregnant women. The median creatinine-normalised urinary concentrations (interquartile ranges) of dimethylphosphate, dimethylthiophosphate and diethylphosphate, which had a detection rate of 50% or higher, were 3.53 (1.91-6.78), 4.09 (1.66-10.8) and 3.28 (1.88-5.98) µg/g-creatinine, respectively. Possible predictors of urinary DAP concentrations were the month of urine sampling, consumption of apple and maternal body mass index. When fenitrothion was used as an index chemical for cumulative risk assessment, 0.36% of participants exceeded the lower 95% confidence limit of the benchmark dose10.
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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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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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Zhang J, Guo J, Wu C, Qi X, Jiang S, Zhou T, Xiao H, Li W, Lu D, Feng C, Liang W, Chang X, Zhang Y, Cao Y, Wang G, Zhou Z. Early-life carbamate exposure and intelligence quotient of seven-year-old children. ENVIRONMENT INTERNATIONAL 2020; 145:106105. [PMID: 32919260 DOI: 10.1016/j.envint.2020.106105] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 08/28/2020] [Accepted: 08/28/2020] [Indexed: 05/25/2023]
Abstract
BACKGROUND Early-life carbamate exposure during developmental period has been linked with adverse health effects and attracted attention. METHODS Three hundred and three children at age of seven were included in the current study. Urinary carbofuranphenol concentrations were measured using gas chromatography-tandem mass spectrometry. Verbal, performance and full-scale intelligence quotients (IQV, IQP, and IQFS) were assessed using Wechsler Intelligence Scale for Children-Chinese Revised. Generalized linear models were used to explore the associations between carbofuranphenol levels and IQs. Generalized estimating equations were used to explore long-term health effect and sensitive time window. RESULTS Carbofuranphenol was detected in 96.6% of the seven-year-old urinary samples, the geometric mean, median, and inter quartile range of the carbofuranphenol concentrations were 0.67 μg/L, 0.30 μg/L, and 0.09-3.72 μg/L, respectively, which were similar with the level of three-year-old children from the SMBCS cohort. Seven-year-old carbofuranphenol level was negatively associated with IQP [β = -0.044; 95% confidence interval (CI): -0.087, -0.001; p = 0.045]. Three-year-old carbofuranphenol level was negatively associated with IQP (β = -0.100; 95% CI: -0.186, -0.014; p = 0.022) and IQFS (β = -0.087; 95% CI: -0.173, -0.001; p = 0.047). Carbamate exposure of maternal and children at both three and seven years old had negative associations with IQP (β = -0.089; 95% CI: -0.171, -0.007; p = 0.034), and IQFS (β = -0.064; 95% CI: -0.127, -0.000; p = 0.049) of children at age of seven. CONCLUSION Results of the present study verify that children in an agricultural region of China were widely exposed to carbamate pesticides. Carbamate exposure in utero and at three and seven years may adversely impact children's neurodevelopment.
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Affiliation(s)
- Jiming Zhang
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Jianqiu Guo
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Chunhua Wu
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Xiaojuan Qi
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No.130 Dong'an Road, Shanghai 200032, China; Zhejiang Provincial Center for Disease Control and Prevention, No.3399 Binsheng Road, Hangzhou 310051, China
| | - Shuai Jiang
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Tong Zhou
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Hongxi Xiao
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Wenting Li
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Dasheng Lu
- Shanghai Center for Disease Control and Prevention, No.1380 West Zhongshan Road, Shanghai 200336, China
| | - Chao Feng
- Shanghai Center for Disease Control and Prevention, No.1380 West Zhongshan Road, Shanghai 200336, China
| | - Weijiu Liang
- Changning District Center for Disease Control and Prevention, No.39 Yunwushan Road, Shanghai 200051, China
| | - Xiuli Chang
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Yubin Zhang
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No.130 Dong'an Road, Shanghai 200032, China
| | - Yang Cao
- Clinical Epidemiology and Biostatistics, School of Medical Sciences, Örebro University, Örebro 70182, Sweden
| | - Guoquan Wang
- Shanghai Center for Disease Control and Prevention, No.1380 West Zhongshan Road, Shanghai 200336, China
| | - Zhijun Zhou
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No.130 Dong'an Road, Shanghai 200032, China.
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Ntantu Nkinsa P, Muckle G, Ayotte P, Lanphear BP, Arbuckle TE, Fraser WD, Bouchard MF. Organophosphate pesticides exposure during fetal development and IQ scores in 3 and 4-year old Canadian children. ENVIRONMENTAL RESEARCH 2020; 190:110023. [PMID: 32777276 DOI: 10.1016/j.envres.2020.110023] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 07/27/2020] [Accepted: 07/28/2020] [Indexed: 05/22/2023]
Abstract
BACKGROUND Organophosphate pesticides are widely used in agriculture and for other purposes, leading to ubiquitous exposure in human populations. Some studies reported cognitive deficits in children exposed prenatally to organophosphate pesticides, but findings from recent studies were inconsistent. Furthermore, recent biomonitoring studies suggest exposure levels have decreased. Hence, the risks from current prenatal exposure to organophosphate pesticides for child neurodevelopment are uncertain. Furthermore, sex-differences also remain to be better documented in relation to potential neurodevelopmental effects. OBJECTIVE To examine the association between prenatal exposure to organophosphate pesticides and IQ scores among boys and girls living in several major Canadian cities. METHODS We used data from the MIREC cohort (Maternal-Infant Research on Environmental Chemicals). Women were recruited in 2008-2011 from 10 Canadian cities during their first trimester of pregnancy, and urine spot samples were collected for measurement of three dimethyl alkyl phosphate (DMAP) and three diethyl alkyl phosphate (DEAP) metabolites. When children were 3-4 years of age, we used the Wechsler Preschool and Primary Scales of Intelligence-III (WPPSI-III) to assess cognitive ability of children from 6 out of the 10 cities (Halifax, Hamilton, Kingston, Montreal, Toronto, and Vancouver). We analysed the association between maternal exposure to organophosphate pesticides (DMAP and DEAP urinary metabolites) and children's IQ scores with generalized estimating equations (GEEs) to take into account the clustered-data resulting from the six study sites. All analyses were sex-stratified (n = 296 boys and 311 girls). RESULTS The participants were predominantly well-educated, white women, with a relatively high household income. Children had a mean age of 3.4 years at the moment of IQ assessment (range, 3.0-4.1 years). In girls, there was no association between IQ scores and DEAPs or DMAPs. Higher concentrations of DEAPs were significantly associated with poorer Verbal IQ scores (for a 10-fold increase in concentrations, -6.28; 95% CIs, -12.13, -0.43) in boys. The association for Performance IQ in boys also indicated poorer scores with higher DEAP concentrations, but the confidence intervals included the null value (-4.05; 95% CIs, -10.19, 2.10). The relation between DMAPs and IQ scores in boys was also negative, but association estimates were small and not significant. CONCLUSION Urinary metabolites of organophosphate pesticides were not associated with IQ in girls, but we observed that higher maternal urinary DEAPs were associated with poorer Verbal IQ in boys. However, exposure misclassification may be an issue as only one urine sample per woman was analysed. The present study contributes to the accumulating evidence linking exposure to organophosphate pesticides during fetal development with poorer cognitive function in children, bringing data on the risks in a context of low exposure levels encountered in primarily urban populations from Canada.
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Affiliation(s)
- Patrick Ntantu Nkinsa
- Department of Environmental and Occupational Health, School of Public Health, Université de Montreal, Montréal, Québec, Canada.
| | - Gina Muckle
- Centre de Recherche du Centre Hospitalier Universitaire de Québec, École de Psychologie, Université Laval, Quebec, Québec, Canada.
| | - Pierre Ayotte
- Centre de Toxicologie du Québec, Institut National de Santé Publique du Québec, Québec, Canada.
| | - Bruce P Lanphear
- Faculty of Health Sciences, Simon Fraser University, Vancouver, British Columbia, Canada.
| | - Tye E Arbuckle
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, Ontario, Canada.
| | - William D Fraser
- Department of Obstetrics and Gynecology, Université de Sherbrooke, Centre Hospitalier Universitaire de Sherbrooke, Québec, Canada.
| | - Maryse F Bouchard
- Department of Environmental and Occupational Health, School of Public Health, Université de Montreal; CHU Sainte-Justine Research Centre Mother and Child University Hospital Center, Montréal, Quebec, Canada.
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Gao B, Zhao S, Shi H, Zhang Z, Li L, He Z, Wen Y, Covaci A, Wang M. Enantioselective disposition and metabolic products of isofenphos-methyl in rats and the hepatotoxic effects. ENVIRONMENT INTERNATIONAL 2020; 143:105940. [PMID: 32663714 DOI: 10.1016/j.envint.2020.105940] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 06/11/2023]
Abstract
Isofenphos-methyl (IFP), a chiral organophosphorus pesticide, is one of the main chemicals used to control underground insects and nematodes. Recently, the use of IFP on vegetables and fruits has been prohibited due to its high toxicity. In this study, we investigated the enantioselective distribution and metabolism of IFP and its metabolites, namely, isofenphos-methyl oxon (IFPO) and isocarbophos oxon (ICPO), in male Sprague Dawley (SD) rats. Forty eight hours (48 h) after exposure, ICPO was the main detectable compound in blood (up to 75%) and urine (up to 77%), and we found that (S)-ICPO was significantly more stable than (R)-ICPO (p < 0.05). Therefore, (S)-ICPO was proposed as a suitable candidate biomarker for the biomonitoring of IFP in human urine and blood. After 48 h exposure, 21.2-41.0%, 4.1-15.1%, and 8.6-18.7% of dosed IFP was detected in the liver of racemic, R and S enantiomer-exposed rats, respectively, and R-IFP and R-IFPO showed a faster degradation (p < 0.05). Our results showed that after one week of consecutive exposure to IFP, ICPO was accumulated in the liver of rats in both racemic and enantiopure groups (no difference between the groups, p > 0.05). We found that cytochrome P450 (CYP) (i.e. CYP2C11, CYP2D2 and CYP3A2 enzymes and carboxylesterases) is responsible for the enantioselective metabolism of IFP in liver. In addition, rats exposed to (S)-IFP exhibited hepatic lipid peroxidation, liver inflammation and hepatic fibrosis. This study provides useful information and a reference for the biomonitoring and risk assessment of IFP and organophosphorus pesticide exposure.
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Affiliation(s)
- Beibei Gao
- Department of Pesticide Science, College of Plant Protection, Nanjing Agricultural University, State and Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, Jiangsu 210095, China
| | - Shuangshuang Zhao
- Department of Pesticide Science, College of Plant Protection, Nanjing Agricultural University, State and Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, Jiangsu 210095, China
| | - Haiyan Shi
- Department of Pesticide Science, College of Plant Protection, Nanjing Agricultural University, State and Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, Jiangsu 210095, China
| | - Zhaoxian Zhang
- Department of Pesticide Science, College of Plant Protection, Nanjing Agricultural University, State and Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, Jiangsu 210095, China
| | - Lianshan Li
- Department of Pesticide Science, College of Plant Protection, Nanjing Agricultural University, State and Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, Jiangsu 210095, China
| | - Zongzhe He
- Department of Pesticide Science, College of Plant Protection, Nanjing Agricultural University, State and Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, Jiangsu 210095, China
| | - Yong Wen
- Department of Pesticide Science, College of Plant Protection, Nanjing Agricultural University, State and Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, Jiangsu 210095, China
| | - Adrian Covaci
- Toxicological Center, University of Antwerp, Wilrijk, Belgium
| | - Minghua Wang
- Department of Pesticide Science, College of Plant Protection, Nanjing Agricultural University, State and Local Joint Engineering Research Center of Green Pesticide Invention and Application, Nanjing, Jiangsu 210095, China.
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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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Hu P, Vinturache A, Li H, Tian Y, Yuan L, Cai C, Lu M, Zhao J, Zhang Q, Gao Y, Liu Z, Ding G. Urinary Organophosphate Metabolite Concentrations and Pregnancy Outcomes among Women Conceiving through in Vitro Fertilization in Shanghai, China. ENVIRONMENTAL HEALTH PERSPECTIVES 2020; 128:97007. [PMID: 32997523 PMCID: PMC7526721 DOI: 10.1289/ehp7076] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
BACKGROUND Animal studies suggest that pesticide exposure elicits endocrine changes, increases embryo implantation failure, and decreases litter size. However, only a few epidemiological studies have evaluated the effects of pesticides on the outcomes of in vitro fertilization (IVF) pregnancies. OBJECTIVES This study examined the associations between preconception organophosphate pesticides (OP) exposure and pregnancy outcomes among women undergoing IVF in a Chinese population. METHODS This study included 522 women with infertility who underwent IVF. Women were recruited from a prospective study, the China National Birth Cohort (CNBC), from Shanghai, China, between July 2017 and December 2018. Demographic and clinical information were collected from medical records and through questionnaires. Preconception exposure to OP was assessed by measuring six nonspecific dialkylphosphate (DAP) metabolites [diethylthiophosphate (DETP), diethylphosphate (DEP), diethyldithiophosphate (DEDTP), dimethylthiophosphate (DMTP), dimethylphosphate (DMP), dimethyldithiophosphate (DMDTP)] in urine samples collected at recruitment. Generalized estimating equation (GEE) models were used to evaluate the associations between OP and pregnancy outcomes. RESULTS Compared with women in the lowest quartile (Q1) of individual DEP and Σ4DAP (the sum of DMP, DMTP, DEP, and DETP), women in the highest quartile (Q4) had lower odds of successful implantation, clinical pregnancy, and live birth, and most of the negative trends were significant (p-trends<0.05). There were no significant associations between urinary DAP concentrations and early IVF outcomes, including total and mature oocyte counts, best embryo quality, fertilization, E2 trigger levels, and endometrial wall thickness. CONCLUSION Preconception OP exposure was inversely associated with successful implantation, clinical pregnancy, and live birth in women who underwent IVF. https://doi.org/10.1289/EHP7076.
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Affiliation(s)
- Peipei Hu
- Department of Respiratory Medicine, Shanghai Children’s Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Angela Vinturache
- Department of Obstetrics & Gynecology, Queen Elizabeth II Hospital, Alberta, Canada
| | - Hong Li
- Departments of Nursing, International Peace Maternity and Children Hospital of China Welfare Institution, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ying Tian
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- MOE-Shanghai Key Laboratory of Children’s Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Yuan
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chen Cai
- Department of Respiratory Medicine, Shanghai Children’s Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Min Lu
- Department of Respiratory Medicine, Shanghai Children’s Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Jiuru Zhao
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Disease, Shanghai, China
| | - Qianqian Zhang
- International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Disease, Shanghai, China
| | - Yu Gao
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhiwei Liu
- Departments of Neonatology, International Peace Maternity and Children Hospital of China Welfare Institution, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Guodong Ding
- Department of Respiratory Medicine, Shanghai Children’s Hospital, Shanghai Jiao Tong University, Shanghai, China
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Guo J, Wu C, Zhang J, Qi X, Lv S, Jiang S, Zhou T, Lu D, Feng C, Chang X, Zhang Y, Cao Y, Wang G, Zhou Z. Prenatal exposure to mixture of heavy metals, pesticides and phenols and IQ in children at 7 years of age: The SMBCS study. ENVIRONMENT INTERNATIONAL 2020; 139:105692. [PMID: 32251899 DOI: 10.1016/j.envint.2020.105692] [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: 12/23/2019] [Revised: 03/24/2020] [Accepted: 03/25/2020] [Indexed: 06/11/2023]
Abstract
OBJECTIVE Prenatal exposure to heavy metals, pesticides and phenols has been suggested to interfere with neurodevelopment, but the neurotoxicity of their mixtures is still unclear. We aimed to elucidate the associations of maternal urinary concentrations of selected chemical mixtures with intelligence quotient (IQ) in children. METHODS Maternal urinary concentrations of selected heavy metals, pesticide metabolites, and phenols were quantified in pregnant women who participated in the Sheyang Mini Birth Cohort Study (SMBCS) from June 2009 to January 2010. At age 7 years, child's IQ score was assessed using the Chinese version of Wechsler Intelligence Scale for Children (C-WISC) by trained pediatricians. Generalized linear regression models (GLM), Bayesian kernel machine regression (BKMR) models and elastic net regression (ENR) models were used to assess the associations of urinary concentrations individual chemicals and their mixtures with IQ scores of the 7-year-old children. RESULTS Of 326 mother-child pairs, single-chemical models indicated that prenatal urinary concentrations of lead (Pb) and bisphenol A (BPA) were significantly negatively associated with full intelligence quotient (FIQ) among children aged 7 years [β = -2.31, 95% confidence interval (CI): -4.13, -0.48; p = 0.013, sex interaction p-value = 0.076; β = -1.18, 95% CI: -2.21, -0.15; p = 0.025; sex interaction p-value = 0.296, for Pb and BPA, respectively]. Stratified analysis by sex indicated that the associations were only statistically significant in boys. In multi-chemical BKMR and ENR models, statistically significant inverse association was found between prenatal urinary Pb level and boy's FIQ scores at 7 years. Furthermore, BKMR analysis indicated that the overall mixture was associated with decreases in boy's IQ when all the chemicals' concentrations were at their 75th percentiles or higher, compared to at their 50th percentiles. ENR models revealed that maternal urinary Pb levels were statistically significantly associated with lower FIQ scores (β = -2.20, 95% CI: -4.20, -0.20; p = 0.031). CONCLUSIONS Prenatal exposure to selected chemical mixtures may affect intellectual performance at 7 years of age, particularly in boys. Pb and BPA were suspected as primary chemicals associated with child neurodevelopment.
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Affiliation(s)
- Jianqiu Guo
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No. 130 Dong'an Road, Shanghai 200032, China
| | - Chunhua Wu
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No. 130 Dong'an Road, Shanghai 200032, China.
| | - Jiming Zhang
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No. 130 Dong'an Road, Shanghai 200032, China
| | - Xiaojuan Qi
- Zhejiang Provincial Center for Disease Control and Prevention, No. 3399 Binsheng Road, Hangzhou 310051, China
| | - Shenliang Lv
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No. 130 Dong'an Road, Shanghai 200032, China
| | - Shuai Jiang
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No. 130 Dong'an Road, Shanghai 200032, China
| | - Tong Zhou
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No. 130 Dong'an Road, Shanghai 200032, China
| | - Dasheng Lu
- Shanghai Municipal Center for Disease Control and Prevention, No. 1380 Zhongshan West Road, Shanghai 200336, China
| | - Chao Feng
- Shanghai Municipal Center for Disease Control and Prevention, No. 1380 Zhongshan West Road, Shanghai 200336, China
| | - Xiuli Chang
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No. 130 Dong'an Road, Shanghai 200032, China
| | - Yubin Zhang
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No. 130 Dong'an Road, Shanghai 200032, China
| | - Yang Cao
- Clinical Epidemiology and Biostatistics, School of Medical Sciences, Örebro University, Örebro 70182, Sweden
| | - Guoquan Wang
- Shanghai Municipal Center for Disease Control and Prevention, No. 1380 Zhongshan West Road, Shanghai 200336, China
| | - Zhijun Zhou
- School of Public Health/Key Laboratory of Public Health Safety of Ministry of Education/Key Lab of Health Technology Assessment, National Health Commission of the People's Republic of China, Fudan University, No. 130 Dong'an Road, Shanghai 200032, China.
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Guo J, Wu C, Zhang J, Xiao H, Lv S, Lu D, Qi X, Feng C, Liang W, Chang X, Zhang Y, Xu H, Cao Y, Wang G, Zhou Z. Early life triclosan exposure and neurodevelopment of children at 3 years in a prospective birth cohort. Int J Hyg Environ Health 2020; 224:113427. [DOI: 10.1016/j.ijheh.2019.113427] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 11/29/2019] [Accepted: 12/02/2019] [Indexed: 12/17/2022]
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Qin K, Zhang Y, Wang Y, Shi R, Pan R, Yao Q, Tian Y, Gao Y. Prenatal organophosphate pesticide exposure and reproductive hormones in cord blood in Shandong, China. Int J Hyg Environ Health 2020; 225:113479. [PMID: 32062593 DOI: 10.1016/j.ijheh.2020.113479] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/27/2020] [Accepted: 02/02/2020] [Indexed: 11/24/2022]
Abstract
BACKGROUND Organophosphate pesticides (OPs) have been found to be associated with endocrine disorders, but limited research has been conducted to evaluate the relationship between maternal OP exposure and fetal reproductive hormone levels. In this study, we investigated the association between prenatal OP exposure and fetal reproductive hormones. METHODS A total of 306 healthy pregnant women were enrolled between September 2010 and February 2012. Pesticide exposure was assessed via the analysis of maternal urinary nonspecific metabolites of OPs (dialkylphosphate, DAP), and four reproductive hormones were measured in cord blood. Linear regression models and generalized linear models were used to estimate the associations between DAP metabolites and reproductive hormones, and further stratified by infant sex. RESULTS We found that concentrations of diethylphosphate (DEP) (β = -0.03; 95% CI: -0.07, -0.00) were inversely associated with estradiol (E2). Dimethylphosphate (DMP) (β = -0.08; 95% CI: -0.13, -0.03), diethylthiophosphate (DETP) (β = -0.08; 95% CI: -0.14, -0.01), and DAPs (β = -0.10; 95% CI: -0.17, -0.03) were inversely associated with testosterone (T) levels. DMP was inversely associated with follicle-stimulating hormone (FSH) levels (β = -0.03; 95% CI: -0.05, -0.01). DMP (β = -0.06; 95% CI: -0.10, -0.01) and DETP (β = -0.07; 95% CI: -0.13, -0.01) showed inverse associations with the testosterone/estradiol (T/E2) ratio. Moreover, the magnitude of associations notably increased in higher quartiles of concentrations in a dose-response manner. After stratification by sex, these effects were mainly observed among female infants. CONCLUSION Our findings suggest the potential impacts of prenatal OP exposure on fetal reproductive hormones, and that sex-related differences may exist.
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Affiliation(s)
- Kaili Qin
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yan Zhang
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yiwen Wang
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rong Shi
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rui Pan
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qian Yao
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ying Tian
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China; MOE-Shanghai Key Laboratory of Children's Environmental Health, Xin Hua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Yu Gao
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Huang Y, Lin M, Jia M, Hu J, Zhu L. Chemical composition and larvicidal activity against Aedes mosquitoes of essential oils from Arisaema fargesii. PEST MANAGEMENT SCIENCE 2020; 76:534-542. [PMID: 31270930 DOI: 10.1002/ps.5542] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 06/22/2019] [Accepted: 06/28/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Dengue fever is caused by the spread of dengue virus by Aedes mosquito vectors. Currently, the most effective way to control dengue is by preventing mosquitoes from spreading the disease. Arisaema fargesii is a Chinese herbal medicine commonly used to repel mosquitoes. In our laboratory, anti-mosquito chemical components were extracted from A. fargesii, and the effects of these substances on mosquito larvae were examined. RESULTS In total, 48 compounds corresponding to 98.79% of the total oil were identified and the major compounds identified were linalool (12.38%), carvacrol (8.27%), eugenol (5.21%), and β-selinene (5.36%). Essential oil had larvicidal activity against Ae. aegypti and Ae. albopictus with LC50 values of 40.49 mg/L, 47.01 mg/L, respectively. The LC50 values of carvacrol, eugenol, linalool and β-selinene were 32.78, 56.34, 70.56, 136.03 mg/L against Ae. aegypti larvae, and 39.08, 52.07, 82.34, 151.74 mg/L, respectively, against Ae. albopictus larvae. Biochemical assays of Aedes larvae showed that the activities of acetylcholinesterase (AChE), monooxygenases (MO), glutathione-S-transferase (GST), p-Nitrophenyl acetate (p-NPA) esterase, α-esterase and β-esterase were significantly affected by carvacrol. Essential oil induced the detoxification mechanism for the action of GST and MO. CONCLUSION The result indicates that essential oil of A. fargesii and its isolated constituent have good inhibitory effects on the defense enzymes of Aedes mosquito larvae. A. fargesii essential oil can be used to control Aedes mosquito larvae to prevent the spread of dengue fever. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Yuting Huang
- School of Food Science and engineering, South China University of Technology, Guangzhou, Guangdong Province, China
| | - Mengya Lin
- School of Food Science and engineering, South China University of Technology, Guangzhou, Guangdong Province, China
| | - Mengmeng Jia
- School of Food Science and engineering, South China University of Technology, Guangzhou, Guangdong Province, China
| | - Junpeng Hu
- School of Food Science and engineering, South China University of Technology, Guangzhou, Guangdong Province, China
| | - Liang Zhu
- School of Food Science and engineering, South China University of Technology, Guangzhou, Guangdong Province, China
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Wang Y, Zhang Y, Ji L, Zhou Y, Shi R, Kamijima M, Ueyama J, Gao Y, Tian Y. Prenatal exposure to organophosphate pesticides, maternal paraoxonase 1 genotype, and childhood neurodevelopment at 24 months of age in Shandong, China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:1969-1977. [PMID: 31768953 DOI: 10.1007/s11356-019-06740-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 10/10/2019] [Indexed: 06/10/2023]
Abstract
Prenatal organophosphate pesticide (OP) exposure was reported to negatively affect childhood neurodevelopment. Paraoxonase 1 (PON1) is a key enzyme in the metabolism of OPs and may affect an individual's susceptibility to OP exposure. However, little is known about its role in the associations of prenatal OP exposure and childhood neurodevelopment. We measured dimethylphosphate (DM), diethylphosphate (DE), and total dialkylphosphate (DAP) metabolites in maternal urine (n = 436) as well as PON1-108C/T and PON1192Q/R genotypes in maternal blood (n = 244). We assessed the modifying effects of maternal PON1-108C/T and PON1192Q/R genotypes on relationships between prenatal OP exposure and developmental quotients (DQs) in 24-month-old children in Shandong, China (n = 172). Among children of mothers carrying PON1-108CC, a tenfold increase in prenatal DMs was associated with a 5.72-point decrease in social domain DQ scores. Among children of mothers carrying PON1192QQ, a tenfold increase in prenatal DMs and DAPs were associated with a 7.68- and 7.67-point decrease in gross motor domain DQ scores, respectively. Among children of mothers carrying PON1192QQ, a tenfold increase in prenatal DMs, DEs, and DAPs were associated with a 7.52-, 9.07-, and 9.60-point decrease in social domain DQ scores, respectively. Maternal PON1 genotype might modify the associations between prenatal OP exposure and children's neurodevelopment at 24 months of age.
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Affiliation(s)
- Yiwen Wang
- MOE and Shanghai Key Laboratory of Children's Environmental Health, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, China
- Department of Neonatology, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yan Zhang
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lin Ji
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yijun Zhou
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rong Shi
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Michihiro Kamijima
- Department of Occupational and Environmental Health, Nagoya City University Graduate School of Medical Sciences, Nagoya, Aichi, 467-8601, Japan
| | - Jun Ueyama
- Department of Pathophysiological Laboratory Sciences, Field of Radiological and Medical Laboratory Sciences, Nagoya University, Nagoya, Aichi, 461-8673, Japan
| | - Yu Gao
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Ying Tian
- MOE and Shanghai Key Laboratory of Children's Environmental Health, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 1665 Kongjiang Road, Shanghai, 200092, China.
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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