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Wang A, Wan Y, Qi W, Mahai G, Qian X, Zheng T, Li Y, Xu S, Xiao H, Xia W. Urinary biomarkers of exposure to organophosphate, pyrethroid, neonicotinoid insecticides and oxidative stress: A repeated measurement analysis among pregnant women. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169565. [PMID: 38145670 DOI: 10.1016/j.scitotenv.2023.169565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/18/2023] [Accepted: 12/19/2023] [Indexed: 12/27/2023]
Abstract
Exposure to insecticides may be associated with increased oxidative stress (OS), but few studies have assessed the associations of OS biomarkers (OSBs) with exposure to multiple insecticides and their mixture, especially in pregnant women who are a vulnerable population. In the present study, 1,094 Chinese pregnant women were recruited and a total of 3,282 urine samples were collected at their three trimesters to measure eight metabolites of organophosphates, three metabolites of pyrethroids, nine typical neonicotinoids/their metabolites, and three OSBs of DNA damage (8-OHdG), RNA damage (8-OHG), and lipid peroxidation (HNE-MA). Among the twenty target insecticide metabolites, sixteen of them were frequently detected; thirteen of them were detected in over 86% of all the urine samples except for imidacloprid (IMI, detection frequency: 72.9%), desnitro-imidacloprid (DN-IMI, 70.0%), and clothianidin (CLO, 79.6%). The reproducibility of their concentrations across the three trimesters was poor to fair (intraclass correlation coefficients <0.50). Multiparity and warm season were related to higher urinary levels of some insecticide metabolites, while higher education level and inadequate weight gain during pregnancy were significantly associated with lower concentrations of certain insecticide metabolites. Linear mixed model analyses suggested that almost all the frequently detected insecticide metabolites [other than 3-phenoxybenzoic acid (3-PBA)] were significantly associated with elevated levels of the three OSBs (8-OHdG, 8-OHG, and HNE-MA), where the percent change (Δ%) ranged 8.10-36.0% for 8-OHdG, 8.49-34.7% for 8-OHG, and 5.92-182% for HNE-MA, respectively, with each interquartile ratio (IQR)-fold increase in the concentrations of the individual exposure biomarkers. Weighted quantile sum models demonstrated that the insecticide metabolite mixture was positively associated with the three OSBs. Overall, urinary desmethyl-clothianidin (DM-CLO) and 3,5,6-trichloro-2-pyridinol (TCPy) were the top insecticide exposure biomarkers contributing to the association with 8-OHdG and 8-OHG levels, while PNP contributed the most to the association with HNE-MA levels. These findings suggested that gestational exposure to organophosphates, pyrethroids, neonicotinoids, their transformation products, and their mixture may increase oxidative damage to lipids, RNA, and DNA during pregnancy.
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Affiliation(s)
- Aizhen Wang
- Institute of Maternal and Child Health, Wuhan Children's Hospital, Tongji Medical College, Huazhong University and Technology, Wuhan, Hubei 430016, PR China; 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 430030, PR China.
| | - Yanjian Wan
- Center for Public Health Laboratory Service, Institute of Environmental Health, Wuhan Centers for Disease Prevention & Control, Wuhan, Hubei 430024, PR China.
| | - Wei Qi
- Wuhan Jinyintan Hospital, Wuhan, Hubei 430040, 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 430030, 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 430030, PR China.
| | - Tongzhang Zheng
- Department of Epidemiology, School of Public Health, Brown University, Providence, RI 02912, United States.
| | - 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 430030, 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 430030, PR China.
| | - Han Xiao
- Institute of Maternal and Child Health, Wuhan Children's Hospital, Tongji Medical College, Huazhong University and Technology, Wuhan, Hubei 430016, PR China.
| | - Wei Xia
- Institute of Maternal and Child Health, Wuhan Children's Hospital, Tongji Medical College, Huazhong University and Technology, Wuhan, Hubei 430016, PR China; 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 430030, PR China.
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Lesseur C, Kaur K, Kelly SD, Hermetz K, Williams R, Hao K, Marsit CJ, Caudle WM, Chen J. Effects of prenatal pesticide exposure on the fetal brain and placenta transcriptomes in a rodent model. Toxicology 2023; 490:153498. [PMID: 37019170 PMCID: PMC10152924 DOI: 10.1016/j.tox.2023.153498] [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: 11/23/2022] [Revised: 03/31/2023] [Accepted: 04/01/2023] [Indexed: 04/05/2023]
Abstract
Organophosphate and pyrethroid pesticides are among the most extensively used insecticides worldwide. Prenatal exposures to both classes of pesticides have been linked to a wide range of neurobehavioral deficits in the offspring. The placenta is a neuroendocrine organ and the crucial regulator of the intrauterine environment; early-life toxicant exposures could impact neurobehavior by disrupting placental processes. Female C57BL/6 J mice were exposed via oral gavage to an organophosphate, chlorpyrifos (CPF) at 5 mg/kg, a pyrethroid, deltamethrin (DM), at 3 mg/kg, or vehicle only control (CTL). Exposure began two weeks before breeding and continued every three days until euthanasia at gestational day 17. The transcriptomes of fetal brain (CTL n = 18, CPF n = 6, DM n = 8) and placenta (CTL n = 19, CPF n = 16, DM n = 12) were obtained through RNA sequencing, and resulting data was evaluated using weighted gene co-expression networks, differential expression, and pathway analyses. Fourteen brain gene co-expression modules were identified; CPF exposure disrupted the module related to ribosome and oxidative phosphorylation, whereas DM disrupted the modules related to extracellular matrix and calcium signaling. In the placenta, network analyses revealed 12 gene co-expression modules. While CPF exposure disrupted modules related to endocytosis, Notch and Mapk signaling, DM exposure dysregulated modules linked to spliceosome, lysosome and Mapk signaling pathways. Overall, in both tissues, CPF exposure impacted oxidative phosphorylation, while DM was linked to genes involved in spliceosome and cell cycle. The transcription factor Max involved in cell proliferation was overexpressed by both pesticides in both tissues. In summary, gestational exposure to two different classes of pesticide can induce similar pathway-level transcriptome changes in the placenta and the brain; further studies should investigate if these changes are linked to neurobehavioral impairments.
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Affiliation(s)
- Corina Lesseur
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, Box 1057, New York, NY 10029, USA
| | - Kirtan Kaur
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, Box 1057, New York, NY 10029, USA
| | - Sean D Kelly
- Gangarosa Department of Environmental Health, Rollins School of Public Health Emory University, Atlanta, GA 30322, USA
| | - Karen Hermetz
- Gangarosa Department of Environmental Health, Rollins School of Public Health Emory University, Atlanta, GA 30322, USA
| | - Randy Williams
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, Box 1057, New York, NY 10029, USA
| | - Ke Hao
- Department of Genetics and Genomic Sciences, Institute of Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029-6574, USA
| | - Carmen J Marsit
- Gangarosa Department of Environmental Health, Rollins School of Public Health Emory University, Atlanta, GA 30322, USA
| | - W Michael Caudle
- Gangarosa Department of Environmental Health, Rollins School of Public Health Emory University, Atlanta, GA 30322, USA
| | - Jia Chen
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, Box 1057, New York, NY 10029, USA.
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Zúñiga-Venegas LA, Hyland C, Muñoz-Quezada MT, Quirós-Alcalá L, Butinof M, Buralli R, Cardenas A, Fernandez RA, Foerster C, Gouveia N, Gutiérrez Jara JP, Lucero BA, Muñoz MP, Ramírez-Santana M, Smith AR, Tirado N, van Wendel de Joode B, Calaf GM, Handal AJ, Soares da Silva A, Cortés S, Mora AM. Health Effects of Pesticide Exposure in Latin American and the Caribbean Populations: A Scoping Review. ENVIRONMENTAL HEALTH PERSPECTIVES 2022; 130:96002. [PMID: 36173136 PMCID: PMC9521041 DOI: 10.1289/ehp9934] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 08/08/2022] [Accepted: 08/12/2022] [Indexed: 05/23/2023]
Abstract
BACKGROUND Multiple epidemiological studies have shown that exposure to pesticides is associated with adverse health outcomes. However, the literature on pesticide-related health effects in the Latin American and the Caribbean (LAC) region, an area of intensive agricultural and residential pesticide use, is sparse. We conducted a scoping review to describe the current state of research on the health effects of pesticide exposure in LAC populations with the goal of identifying knowledge gaps and research capacity building needs. METHODS We searched PubMed and SciELO for epidemiological studies on pesticide exposure and human health in LAC populations published between January 2007 and December 2021. We identified 233 publications from 16 countries that met our inclusion criteria and grouped them by health outcome (genotoxicity, neurobehavioral outcomes, placental outcomes and teratogenicity, cancer, thyroid function, reproductive outcomes, birth outcomes and child growth, and others). RESULTS Most published studies were conducted in Brazil (37%, n = 88 ) and Mexico (20%, n = 46 ), were cross-sectional in design (72%, n = 167 ), and focused on farmworkers (45%, n = 105 ) or children (21%, n = 48 ). The most frequently studied health effects included genotoxicity (24%, n = 62 ) and neurobehavioral outcomes (21%, n = 54 ), and organophosphate (OP) pesticides were the most frequently examined (26%, n = 81 ). Forty-seven percent (n = 112 ) of the studies relied only on indirect pesticide exposure assessment methods. Exposure to OP pesticides, carbamates, or to multiple pesticide classes was consistently associated with markers of genotoxicity and adverse neurobehavioral outcomes, particularly among children and farmworkers. DISCUSSION Our scoping review provides some evidence that exposure to pesticides may adversely impact the health of LAC populations, but methodological limitations and inconsistencies undermine the strength of the conclusions. It is critical to increase capacity building, integrate research initiatives, and conduct more rigorous epidemiological studies in the region to address these limitations, better inform public health surveillance systems, and maximize the impact of research on public policies. https://doi.org/10.1289/EHP9934.
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Affiliation(s)
- Liliana A. Zúñiga-Venegas
- Centro de Investigaciones de Estudios Avanzados del Maule, Universidad Católica del Maule, Talca, Chile
| | - Carly Hyland
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley, Berkeley, California, USA
- School of Public Health and Population Science, Boise State University, Boise, Idaho, USA
| | - María Teresa Muñoz-Quezada
- Centro de Investigación en Neuropsicología y Neurociencias Cognitivas, Facultad de Ciencias de la Salud, Universidad Católica del Maule, Talca, Chile
| | - Lesliam Quirós-Alcalá
- Department of Environmental Health and Engineering, Bloomberg School of Public Health, John Hopkins University, Baltimore, Maryland, USA
- Maryland Institute of Applied Environmental Health, School of Public Health, University of Maryland, College Park, Maryland, USA
| | - Mariana Butinof
- Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Rafael Buralli
- Departamento de Saúde Ambiental, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, Brasil
| | - Andres Cardenas
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Ricardo A. Fernandez
- Facultad de Ciencias de la Salud, Universidad Católica de Córdoba, Córdoba, Argentina
| | - Claudia Foerster
- Instituto de Ciencias de la Agroalimentarias, Animales y Ambientales, Universidad de O’Higgins, San Fernando, Chile
| | - Nelson Gouveia
- Departamento de Medicina Preventiva, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brasil
| | - Juan P. Gutiérrez Jara
- Centro de Investigaciones de Estudios Avanzados del Maule, Universidad Católica del Maule, Talca, Chile
| | - Boris A. Lucero
- Centro de Investigación en Neuropsicología y Neurociencias Cognitivas, Facultad de Ciencias de la Salud, Universidad Católica del Maule, Talca, Chile
| | - María Pía Muñoz
- Escuela de Salud Pública, Facultad de Medicina, Universidad de Chile, Santiago, Chile
| | - Muriel Ramírez-Santana
- Departamento de Salud Pública, Facultad de Medicina, Universidad Católica del Norte, Coquimbo, Chile
| | - Anna R. Smith
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Noemi Tirado
- Instituto de Genética, Facultad de Medicina, Universidad Mayor de San Andrés, Louisiana Paz, Bolivia
| | - Berna van Wendel de Joode
- Infants’ Environmental Health Study, Central American Institute for Studies on Toxic Substances, Universidad Nacional, Heredia, Costa Rica
| | - Gloria M. Calaf
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica, Chile
- Columbia University Medical Center, New York, New York, USA
| | - Alexis J. Handal
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, Michigan, USA
| | | | - Sandra Cortés
- Centro Avanzado de Enfermedades Crónicas (ACCDiS), Centro de Desarrollo Urbano Sustentable, Departamento de Salud Pública, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Ana M. Mora
- Center for Environmental Research and Community Health, School of Public Health, University of California, Berkeley, Berkeley, California, USA
- Infants’ Environmental Health Study, Central American Institute for Studies on Toxic Substances, Universidad Nacional, Heredia, Costa Rica
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Tantengco OAG, de Castro Silva M, Shahin H, Bento GFC, Cursino GC, Cayenne S, da Silva MG, Menon R. The role of nuclear factor erythroid 2-related factor 2 (NRF2) in normal and pathological pregnancy: A systematic review. Am J Reprod Immunol 2021; 86:e13496. [PMID: 34467607 DOI: 10.1111/aji.13496] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/23/2021] [Accepted: 08/24/2021] [Indexed: 12/20/2022] Open
Abstract
OBJECTIVE A homeostatic balance between reactive oxygen species production and the antioxidant redox system is an important component of normal pregnancy. Nuclear Factor Erythroid 2-Related Factor 2 (Nrf2) preserves cellular homeostasis by enhancing the cell's innate antioxidant status to reduce oxidative stress and inflammatory damage to the cell during pregnancy. Active Nrf2, in the nucleus of the cell, transactivates various antioxidant genes. The objective of this systematic review was to synthesize evidence on the role of Nrf2 in various adverse pregnancy outcomes (APOs). METHODS We conducted a systematic review of the role of Nrf2 in pregnancy. Articles written in English, Portuguese, and Spanish were obtained from three different databases from inception until January 2021. The titles, abstracts and full text were reviewed independently by six reviewers. The quality of the included studies was assessed using a quality assessment tool developed to assess basic science and clinical studies. Nrf2 expression (gene and protein), functional contributions, and association with APOs were assessed. RESULTS A total of 747 citations were identified; 80 were retained for full review. Most studies on Nrf2 have been carried out using placental tissues and placenta-derived cells. Limited studies have been conducted using fetal membranes, uterus, and cervix. Nuclear translocation of Nrf2 results in transactivation of antioxidant enzymes, including glutathione peroxidase, hemeoxygenase-1, and superoxide dismutase in gestational cells during pregnancy. This antioxidant response maintains cellular homeostasis during pregnancy. This promotes trophoblast cell survival and prevents cell death and abnormal angiogenesis in the placenta. Excessive and insufficient Nrf2 response may promote oxidative and reductive stress, respectively. This Nrf2 dysregulation has been associated with APOs including gestational diabetes mellitus, intrauterine growth restriction, reproductive toxicity, preeclampsia, and preterm birth. CONCLUSION Several studies have localized and reported an association between Nrf2's differential expression in reproductive tissues and the pathogenesis of APOs. However, a comprehensive functional understanding of Nrf2 in reproductive tissues is still lacking. Nrf2's activation and functions are complex, and therefore, current in vitro and in vivo studies are limited in their experimental approaches. We have identified key areas for future Nrf2 research that is needed to fill knowledge gaps.
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Affiliation(s)
- Ourlad Alzeus G Tantengco
- Division of Basic & Translational Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, Galveston, Texas, USA
- Department of Biochemistry and Molecular Biology, College of Medicine, University of the Philippines Manila, Manila, Philippines
| | - Mariana de Castro Silva
- Department of Pathology, Botucatu Medical School, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil
| | - Hend Shahin
- Division of Basic & Translational Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, Galveston, Texas, USA
| | - Giovana Fernanda Cosi Bento
- Department of Pathology, Botucatu Medical School, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil
| | - Geovanna Cristofani Cursino
- Department of Pathology, Botucatu Medical School, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil
| | - Samir Cayenne
- The University of Texas at Austin, Austin, Texas, USA
| | - Marcia Guimarães da Silva
- Department of Pathology, Botucatu Medical School, Universidade Estadual Paulista, UNESP, Botucatu, São Paulo, Brazil
| | - Ramkumar Menon
- Division of Basic & Translational Research, Department of Obstetrics and Gynecology, The University of Texas Medical Branch at Galveston, Galveston, Texas, USA
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Cecchi A, Alvarez G, Quidel N, Bertone MC, Anderle S, Sabino G, Magnarelli GG, Rovedatti MG. Residential proximity to pesticide applications in Argentine Patagonia: impact on pregnancy and newborn parameters. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:56565-56579. [PMID: 34060016 DOI: 10.1007/s11356-021-14574-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 05/20/2021] [Indexed: 06/12/2023]
Abstract
Among residents living close to agricultural fields who are potentially exposed to pesticides, pregnant women and their fetuses are of particular concern for their vulnerability to environmental chemicals. In this collaborative multicenter study, we covered a wide distribution of participants in the most important fruit production zone of north Patagonia (Argentina) to investigate whether maternal residential proximity to fruit croplands with intense pesticide applications (rural group -RG-) is associated with pregnancy complications and alterations in their newborn parameters compared to the urban population (urban group -UG-). A total of 776 pregnant women met the inclusion criteria. The percentage of threatened miscarriage was significantly higher in the RG than in the UG. The percentage of miscarriage, threat of premature labor, intrauterine fetal death, preterm premature rupture of membranes, and intrauterine growth retardation were similar in both groups. Newborn anthropometric parameters were corrected by sex and gestational age prior to statistical analysis. Length at birth and head circumference were lower in the RG than in the UG. Birth weight was similar in both groups. The percentage of head circumference less than the 5th percentile and the ponderal index were greater in the RG than in the UG. Our results suggest that proximity to pesticide applications may increase the risk of pregnancy complications and altered newborn parameters.
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Affiliation(s)
- Amalia Cecchi
- Hospital Allen Dr. Ernesto Accame, Ingeniero Quesnel s/n, Allen, Río Negro, Argentina
| | - Gabriel Alvarez
- Hospital Provincial Neuquén Dr. Castro Rendón, Buenos Aires 450, (8300) Neuquén, 450, Neuquén, Argentina
| | - Natalia Quidel
- Facultad de Ciencias Médicas, Universidad Nacional del Comahue, Av. Luis Toschi y Los Arrayanes, (8324) Cipolletti, Río Negro, Argentina
| | - María Cecilia Bertone
- Facultad de Ciencias Médicas, Universidad Nacional del Comahue, Av. Luis Toschi y Los Arrayanes, (8324) Cipolletti, Río Negro, Argentina
| | - Sofia Anderle
- Facultad de Ciencias Médicas, Universidad Nacional del Comahue, Av. Luis Toschi y Los Arrayanes, (8324) Cipolletti, Río Negro, Argentina
| | - Guillermo Sabino
- Facultad de Economía y Administración, Universidad Nacional del Comahue, Buenos Aires 1400, (8300), Neuquén, Argentina
| | - Gladis G Magnarelli
- Facultad de Ciencias Médicas, Universidad Nacional del Comahue, Av. Luis Toschi y Los Arrayanes, (8324) Cipolletti, Río Negro, Argentina
| | - María Gabriela Rovedatti
- Departamento de Biodiversidad y Biología Experimental, and Laboratorio de Toxicología de Mezclas Químicas (LATOMEQ), Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón II, 4to piso. Intendente Güiraldes 2160, (C1428EGA), Ciudad Autónoma de Buenos Aires, Argentina.
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Mohammed AM, Huuskonen P, Juvonen R, Sahlman H, Repo J, Myöhänen K, Myllynen P, Woo CSJ, Karttunen V, Vähäkangas K. Activities of metabolizing enzymes in human placenta. Toxicol Lett 2020; 326:70-77. [PMID: 32113805 DOI: 10.1016/j.toxlet.2020.02.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 01/31/2020] [Accepted: 02/26/2020] [Indexed: 12/16/2022]
Abstract
In addition to the transfer across the placenta, placenta displays hormonal and xenobiotic metabolism, as well as enzymatic defense against oxidative stress. We analyzed aromatase (CYP19A1), uridine 5'-diphospho-glucuronyltransferase (UGT), glutathione-S-transferase (GST) and catalase (CAT) activities in over 70 placentas from nonsmokers stored at -80 °C from former perfusion studies. A wide interindividual variation in all activities was found. Longterm storage at -80 °C did not affect the activities. Ethoxyresorufin-O-deethylase (EROD, CYP1A1) was not detected in any of the studied placentas perfused with chemicals. Several compounds in placental perfusion changed statistically significantly the enzyme activities in placental tissue. Melamine and nicotine increased CYP19A1, melamine increased UGT and GST, PhIP with ethanol decreased CYP19A1 and increased GST, and PhIP with buprenorphine decreased CAT. Antipyrine in 100 μg/ml also changed the studied enzyme activities, but not statistically significantly. Because antipyrine is a reference compound in placental perfusions, its potential effects must be taken into account in human placental perfusion. Enzyme activities deserve further studies as biomarkers of placental toxicity. Finally, enzyme activities deserve further studies as biomarkers of placental toxicity.
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Affiliation(s)
- Ali Mustafa Mohammed
- School of Pharmacy/Toxicology, Faculty of Health Sciences, University of Eastern Finland, Finland
| | - Pasi Huuskonen
- School of Pharmacy/Toxicology, Faculty of Health Sciences, University of Eastern Finland, Finland
| | - Risto Juvonen
- School of Pharmacy/Toxicology, Faculty of Health Sciences, University of Eastern Finland, Finland
| | - Heidi Sahlman
- School of Pharmacy/Toxicology, Faculty of Health Sciences, University of Eastern Finland, Finland
| | - Jenni Repo
- Farenta Oy (a part of Oriola), Orionintie 5, Espoo, Finland
| | - Kirsi Myöhänen
- European Chemicals Agency (ECHA), The author's Contribution Was Done in a Personal Capacity, It Constitutes the author's Opinion, and It Is Not an Official Position of the European Chemicals Agency (ECHA), Finland
| | - Päivi Myllynen
- Department of Clinical Chemistry, Cancer and Translational Medicine Research Unit, Medical Research Center, University of Oulu and Northern Finland Laboratory Centre NordLab, Oulu University Hospital, Oulu, Finland
| | - Chit-Shing Jackson Woo
- School of Pharmacy/Toxicology, Faculty of Health Sciences, University of Eastern Finland, Finland
| | - Vesa Karttunen
- School of Pharmacy/Toxicology, Faculty of Health Sciences, University of Eastern Finland, Finland
| | - Kirsi Vähäkangas
- School of Pharmacy/Toxicology, Faculty of Health Sciences, University of Eastern Finland, Finland.
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Silvia SC, Magnarelli G, Rovedatti MG. Evaluation of endocrine disruption and gestational disorders in women residing in areas with intensive pesticide application: An exploratory study. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2020; 73:103280. [PMID: 31683255 DOI: 10.1016/j.etap.2019.103280] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 10/14/2019] [Accepted: 10/15/2019] [Indexed: 06/10/2023]
Abstract
The proximity to areas of intensive pesticide application is a risk factor that favors xenobiotic exposure. Pesticides may interfere with hormonal function and cause alterations in the reproductive system, pregnancy complications, and adverse fetal development. We evaluated potential endocrine disruption and the evolution of the third trimester of pregnancy in women residing in a rural area of Argentina with intense pesticide applications, and the characteristics of their newborns. Blood samples were collected from healthy women in the third trimester of pregnancy during the pesticide spraying (SP) (n = 26) and nonspraying (NSP) (n = 27) periods. Plasma cholinesterase activity and cortisol and DHEA-S levels were lower in SP than in NSP. The percentage of preterm premature rupture of membranes was higher in SP than in NSP. Macrosomia at birth was17% in both periods. This study reinforces the importance of preventing potential cases of cumulative toxicity during the perinatal period through monitoring and epidemiological studies.
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Affiliation(s)
- Santa Cruz Silvia
- Sanatorio del Personal de Industrias Químicas. Belgrano 305, Cinco Saltos (8303), Río Negro, Argentina.
| | - Gladis Magnarelli
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología del Comahue (CITAAC), CONICET, Universidad Nacional del Comahue, Buenos Aires 1400, Neuquén, 8300, Argentina.
| | - María Gabriela Rovedatti
- Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2160, Ciudad Autónoma de Buenos Aires, C1428EGA, Argentina; Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2160, Ciudad Autónoma de Buenos Aires, C1428EGA, Argentina.
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Sabarwal A, Kumar K, Singh RP. Hazardous effects of chemical pesticides on human health-Cancer and other associated disorders. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2018; 63:103-114. [PMID: 30199797 DOI: 10.1016/j.etap.2018.08.018] [Citation(s) in RCA: 235] [Impact Index Per Article: 39.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 07/21/2018] [Accepted: 08/27/2018] [Indexed: 05/27/2023]
Abstract
Poisoning from pesticides is a global public health problem and accounts for nearly 300,000 deaths worldwide every year. Exposure to pesticides is inevitable; there are different modes through which humans get exposed to pesticides. The mode of exposure is an important factor as it also signifies the concentration of pesticides exposure. Pesticides are used extensively in agricultural and domestic settings. These chemicals are believed to cause many disorders in humans and wildlife. Research from past few decades has tried to answer the associated mechanism of action of pesticides in conjunction with their harmful effects. This perspective considers the past and present research in the field of pesticides and associated disorders. We have reviewed the most common diseases including cancer which are associated with pesticides. Pesticides have shown to be involved in the pathogenesis of Parkinson's and Alzheimer's diseases as well as various disorders of the respiratory and reproductive tracts. Oxidative stress caused by pesticides is an important mechanism through which many of the pesticides exert their harmful effects. Oxidative stress is known to cause DNA damage which in turn may cause malignancies and other disorders. Many pesticides have shown to modulate the gene expression at the level of non-coding RNAs, histone deacetylases, DNA methylation patterns suggesting their role in epigenetics.
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Affiliation(s)
- Akash Sabarwal
- School of Life Sciences, Central University of Gujarat, Gandhinagar, Gujarat, India; Cancer Biology Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Kunal Kumar
- School of Life Sciences, Central University of Gujarat, Gandhinagar, Gujarat, India
| | - Rana P Singh
- School of Life Sciences, Central University of Gujarat, Gandhinagar, Gujarat, India; Cancer Biology Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, India.
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Papa Gobbi R, Magnarelli G, Rovedatti MG. Susceptibility of placental mitochondria to oxidative stress. Birth Defects Res 2018; 110:1228-1232. [PMID: 30230269 DOI: 10.1002/bdr2.1377] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Revised: 07/04/2018] [Accepted: 07/12/2018] [Indexed: 12/19/2022]
Abstract
BACKGROUND Two different mitochondrial fractions (MFs) have been characterized in the human placenta: the "light" and "heavy" fractions (LMF and HMF). Although these organelles are the main source of reactive oxygen species, an imbalance between their production and the rate of detoxification represents a serious threat to mitochondrial homeostasis and, in the case of the placenta, also to the fetus. The aim of this study was to evaluate the antioxidant capacity and susceptibility to oxidative stress in both types of MFs. METHODS Human MFs were isolated from healthy donors (n = 11) and either incubated or not with H2 O2 . Catalase (CAT) activity, and reduced glutathione (GSH), lipid peroxidation (LP), and protein carbonylation (PC) levels were determined. RESULTS H2 O2 treatment increased LP and PC levels and decreased CAT activity. GSH levels were similar in control and treated MFs. CONCLUSION H2 O2 caused oxidative damage in both LMF and HMF and the antioxidant system measured in these two MFs responded similarly. To the best of our knowledge, this is the first partial description of the antioxidant defense in placental HMF and LMF performed in a cell-free assay. The small number of antioxidant system parameters measured did not allow detecting differences between HMF and LMF.
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Affiliation(s)
- Rodrigo Papa Gobbi
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología del Comahue (CITAAC), CONICET, Universidad Nacional del Comahue, Neuquén, Argentina
| | - Gladis Magnarelli
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología del Comahue (CITAAC), CONICET, Universidad Nacional del Comahue, Neuquén, Argentina.,Facultad de Ciencias Médicas, Universidad Nacional del Comahue, Cipolletti, Río Negro, Argentina
| | - María Gabriela Rovedatti
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología del Comahue (CITAAC), CONICET, Universidad Nacional del Comahue, Neuquén, Argentina
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Impact of chlorpyrifos on human villous trophoblasts and chorionic villi. Toxicol Appl Pharmacol 2017; 329:26-39. [DOI: 10.1016/j.taap.2017.05.026] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Revised: 04/29/2017] [Accepted: 05/22/2017] [Indexed: 01/01/2023]
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Rivero Osimani VL, Valdez SR, Guiñazú N, Magnarelli G. Alteration of syncytiotrophoblast mitochondria function and endothelial nitric oxide synthase expression in the placenta of rural residents. Reprod Toxicol 2016; 61:47-57. [PMID: 26939719 DOI: 10.1016/j.reprotox.2016.02.018] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 12/30/2015] [Accepted: 02/25/2016] [Indexed: 11/24/2022]
Abstract
The impact of environmental organophosphate (OP) pesticide exposure on respiratory complexes, enzymatic antioxidant defense activities, and oxidative damage markers in the syncytiotrophoblast and cytotrophoblast mitochondria was evaluated. Placental progesterone (PG) levels and endothelial nitric oxide synthase (eNOS) expression were studied. Samples from women non-exposed (control group-CG) and women living in a rural area (rural group-RG) were collected during pesticide spraying season (RG-SS) and non-spraying season (RG-NSS). In RG-SS, the exposure biomarker placental carboxylesterase decreased and syncytiotrophoblast cytochrome c oxidase activity increased, while 4-hydroxynonenal levels decreased. PG levels decreased in RG-SS and in the RG. Nitric oxide synthase expression decreased in RG, RG-SS and RG-NSS. No significant changes in mitochondrial antioxidant enzyme activities were found. These results suggest that the alteration of syncytiotrophoblast mitochondrial complex IV activity and steroidogenic function may be associated to pesticide exposure. Reduction in placental PG and eNOS expression may account for low newborn weight in RG.
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Affiliation(s)
- Valeria L Rivero Osimani
- LIBIQUIMA, Departamento de Química, Facultad de Ingeniería, Universidad Nacional del Comahue, Neuquén, Argentina; Facultad de Ciencias Médicas, Universidad Nacional del Comahue, Cipolletti, Río Negro, Argentina
| | - Susana R Valdez
- Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Cuyo, Mendoza, Argentina; IMBECU-CONICET, Mendoza, Argentina
| | - Natalia Guiñazú
- LIBIQUIMA, Departamento de Química, Facultad de Ingeniería, Universidad Nacional del Comahue, Neuquén, Argentina; Facultad de Ciencias del Ambiente y la Salud, Universidad Nacional del Comahue, Neuquén, Argentina.
| | - Gladis Magnarelli
- LIBIQUIMA, Departamento de Química, Facultad de Ingeniería, Universidad Nacional del Comahue, Neuquén, Argentina; Facultad de Ciencias Médicas, Universidad Nacional del Comahue, Cipolletti, Río Negro, Argentina
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