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Alehashem M, Peters R, Fajana HO, Eslamizad S, Hogan N, Hecker M, Siciliano SD. Herbicides and pesticides synergistically interact at low concentrations in complex mixtures. CHEMOSPHERE 2024; 353:141431. [PMID: 38401859 DOI: 10.1016/j.chemosphere.2024.141431] [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: 11/26/2023] [Revised: 01/31/2024] [Accepted: 02/08/2024] [Indexed: 02/26/2024]
Abstract
Assessing a complex mixture of pesticides at the impacted sites has been challenging for risk assessors for 50 years. The default assumption is that at low concentrations, pesticides interact additively with one another; thus, the risk posed by each component of a complex mixture could be simply added up. The EPA interaction-based hazard index (HIInteraction) modifies this assumption using a binary weight-of-evidence (BINWOE). However, data gaps often preclude HIInteraction use at most sites. This study evaluated these assumptions using the BINWOE to estimate the hazard index (HI) of select pesticide mixtures. The lack of in vivo binary interaction data led us to use a cell line, SH-SY5Y, to obtain the data necessary for the BINWOE approach. In the risk assessment, we considered the most active exposure scenario inhaling a mixture of volatile pesticides from contaminated soil and groundwater. The potential interactions between pesticides in 15 binary mixtures were investigated using the MTT assay in SH-SY5Y cells. Our findings showed that 60% of the binary mixtures elicited synergism (in at least one concentration), 27% displayed antagonism, and 13% showed additive effects in SH-SY5Y cells. Combining human safety data with in vitro interaction data indicated that adults and toddlers were at the highest risk when considering industrial and commercial land use, respectively, compared to other subpopulations. Incorporating interaction data into the risk assessment either increased the risk by up to 20% or decreased the risk by 2%, depending on the mixture. Our results demonstrate the predominant synergistic interactions, even at low concentrations, altered risk characterization at the complex operating site. Most concerning, organochlorine pesticides with the same mechanism of action did not follow dose additivity when evaluated by SH-SY5Y cell lines. Based on our observations, we caution that current HI methods based on additivity assumptions may underestimate the risk of organochlorine mixtures.
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Affiliation(s)
- M Alehashem
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK S7N 5B3, Canada
| | - R Peters
- Federated Co-operatives Limited, Saskatoon, SK, S7K 0H2, Canada
| | - H O Fajana
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK S7N 5B3, Canada; Department of Soil Science, University of Saskatchewan, Saskatoon, SK, S7N 5A8, Canada
| | - S Eslamizad
- Food Safety Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - N Hogan
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK S7N 5B3, Canada; Department of Animal Science, University of Saskatchewan, Saskatoon, SK, Canada
| | - M Hecker
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK S7N 5B3, Canada; School of Environment and Sustainability, University of Saskatchewan, Saskatoon, SK S7N 5C8, Canada
| | - S D Siciliano
- Toxicology Centre, University of Saskatchewan, Saskatoon, SK S7N 5B3, Canada; Department of Soil Science, University of Saskatchewan, Saskatoon, SK, S7N 5A8, Canada.
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Dervilly G, Bourdeau M, Pruvost-Couvreur M, Severin I, Platel A, Chagnon MC, Nesslany F, Le Bizec B, Moche H. Cocktails of endocrine disruptors in the different diets of French consumers. ENVIRONMENT INTERNATIONAL 2024; 183:108408. [PMID: 38219538 DOI: 10.1016/j.envint.2023.108408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/21/2023] [Accepted: 12/23/2023] [Indexed: 01/16/2024]
Abstract
With a view to identifying main endocrine disruptors (ED) mixtures to which French consumers are exposed through food, their main diets were modelled using an adapted dimension reduction method. Seven specific diets could be modelled for adults while only one overall diet was considered for children aged 3-17 years. The knowledge of the contamination levels of 78 known or suspected endocrine disrupting compounds in the foods constituting these diets, collected in the frame of the second French Total Diet Study, made it possible to explore the mixtures of EDs to which consumers are exposed. We have thus shown that the ED substances most present in mass concentration are comparable for the whole population, whatever the diet considered. However, a second approach made it possible to highlight, for a given diet, the substances whose exposure is statistically higher than in the diet of the general population. Thus, significantly different ED mixtures could be established for each diet. For example, diets with a high proportion of animal-based foods induce significantly higher exposures to some persistent organic pollutants (e.g., PCDD/F, brominated flame retardants), whereas these exposures are lower for Mediterranean-type diet. On the other hand, the latter, richer in fruits and vegetables, is the one for which pesticides represent a specific signature.These results now pave the way for studying the specific effects of these cocktails of endocrine disruptors, each of which is representative of a type of chronic exposure linked to specific diets.
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Affiliation(s)
| | | | | | - Isabelle Severin
- UMR INSERM 1231, équipe NUTOX, Université de Bourgogne Franche Comté, F-21000 Dijon, France
| | - Anne Platel
- Univ. Lille, CHU Lille, Institut Pasteur de Lille, ULR 4483 - IMPECS - IMPact de l'Environnement Chimique sur la Santé humaine, F-59000 Lille, France
| | - M C Chagnon
- UMR INSERM 1231, équipe NUTOX, Université de Bourgogne Franche Comté, F-21000 Dijon, France
| | - Fabrice Nesslany
- Univ. Lille, CHU Lille, Institut Pasteur de Lille, ULR 4483 - IMPECS - IMPact de l'Environnement Chimique sur la Santé humaine, F-59000 Lille, France
| | | | - Hélène Moche
- Univ. Lille, CHU Lille, Institut Pasteur de Lille, ULR 4483 - IMPECS - IMPact de l'Environnement Chimique sur la Santé humaine, F-59000 Lille, France
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3
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Ebid H, Trombetta LD. Effects of glyphosate, mancozeb and their combinations on mouse neuroblastoma cells. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 104:104302. [PMID: 37871707 DOI: 10.1016/j.etap.2023.104302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 10/16/2023] [Accepted: 10/19/2023] [Indexed: 10/25/2023]
Abstract
Pesticides-related toxicities have long been studied. Data regarding the effects of combined exposure to environmentally relevant pesticides however remain lacking. The herbicide glyphosate and the fungicide mancozeb are extensively used in agriculture. Residues of both compounds are frequently found in food and water and therefore, environmental exposure to both pesticides is a possibility. Neurotoxicity of glyphosate, mancozeb and their combinations were investigated using mouse neuroblastoma cells. Cytotoxicity observed with the glyphosate and mancozeb combinations was higher than that observed when glyphosate was tested alone. Combinations of glyphosate followed by mancozeb increased copper, manganese, and zinc levels. Mixture of mancozeb + glyphosate increased manganese and zinc levels. Combination of mancozeb followed by glyphosate increased copper and zinc levels. Glutathione ratio was decreased as a result of combinations of glyphosate and mancozeb. The decrease in glutathione ratio was greater in the combination groups than in glyphosate alone.
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Affiliation(s)
- Heidi Ebid
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Jamaica, NY 11439, USA
| | - Louis D Trombetta
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, 8000 Utopia Parkway, Jamaica, NY 11439, USA.
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Montero-Montoya R, Suárez-Larios K, Serrano-García L. Paraoxon and glyphosate induce DNA double-strand breaks but are not type II topoisomerase poisons. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2023; 890:503657. [PMID: 37567644 DOI: 10.1016/j.mrgentox.2023.503657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 08/13/2023]
Abstract
We tested the hypothesis that the pesticides paraoxon and glyphosate cause DNA double-strand breaks (DSB) by poisoning the enzyme Type II topoisomerase (topo II). Peripheral lymphocytes in G0 phase, treated with the pesticides, plus or minus ICRF-187, an inhibitor of Topo II, were stimulated to proliferate; induced cytogenetic damage was measured. Micronuclei, chromatin buds, nucleoplasmic bridges, and extranuclear fragments were induced by treatments with the pesticides, irrespective of the pre-treatment with ICRF-187. These results indicate that the pesticides do not act as topo II poisons. The induction of DSB may occur by other mechanisms, such as effects on other proteins involved in recombination repair.
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Affiliation(s)
- Regina Montero-Montoya
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Apartado Postal 70228, 04510 Ciudad de México, Mexico.
| | - Karen Suárez-Larios
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Apartado Postal 70228, 04510 Ciudad de México, Mexico
| | - Luis Serrano-García
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Apartado Postal 70228, 04510 Ciudad de México, Mexico
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Wołejko E, Łozowicka B, Jabłońska-Trypuć A, Pietruszyńska M, Wydro U. Chlorpyrifos Occurrence and Toxicological Risk Assessment: A Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:12209. [PMID: 36231509 PMCID: PMC9566616 DOI: 10.3390/ijerph191912209] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/20/2022] [Accepted: 09/23/2022] [Indexed: 05/15/2023]
Abstract
Chlorpyrifos (CPF) was the most frequently used pesticide in food production in the European Union (EU) until 2020. Unfortunately, this compound is still being applied in other parts of the world. National monitoring of pesticides conducted in various countries indicates the presence of CPF in soil, food, and water, which may have toxic effects on consumers, farmers, and animal health. In addition, CPF may influence changes in the population of fungi, bacteria, and actinomycete in soil and can inhibit nitrogen mineralization. The mechanisms of CPF activity are based on the inhibition of acetylcholinesterase (AChE) activity. This compound also exhibits reproductive toxicity, neurotoxicity, and genotoxicity. The problem seems to be the discrepancy between the actual observations and the final conclusions drawn for the substance's approval in reports presenting the toxic impact of CPF on human health. Therefore, this influence is still a current and important issue that requires continuous monitoring despite its withdrawal from the market in the EU. This review traces the scientific reports describing the effects of CPF resulting in changes occurring in both the environment and at the cellular and tissue level in humans and animals. It also provides an insight into the hazards and risks to human health in food consumer products in which CPF has been detected.
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Affiliation(s)
- Elżbieta Wołejko
- Department of Chemistry, Biology and Biotechnology, Bialystok University of Technology, Wiejska 45A Street, 15-351 Białystok, Poland
| | - Bożena Łozowicka
- Institute of Plant Protection—National Research Institute, Chełmońskiego 22 Street, 15-195 Białystok, Poland
| | - Agata Jabłońska-Trypuć
- Department of Chemistry, Biology and Biotechnology, Bialystok University of Technology, Wiejska 45A Street, 15-351 Białystok, Poland
| | - Marta Pietruszyńska
- Department of Ophthalmology, Medical University of Białystok, M. Skłodowskiej-Curie 24A Street, 15-276 Białystok, Poland
| | - Urszula Wydro
- Department of Chemistry, Biology and Biotechnology, Bialystok University of Technology, Wiejska 45A Street, 15-351 Białystok, Poland
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Tait S, Lori G, Tassinari R, La Rocca C, Maranghi F. In Vitro Assessment and Toxicological Prioritization of Pesticide Mixtures at Concentrations Derived from Real Exposure in Occupational Scenarios. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:5202. [PMID: 35564597 PMCID: PMC9104687 DOI: 10.3390/ijerph19095202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/21/2022] [Accepted: 04/23/2022] [Indexed: 02/04/2023]
Abstract
Humans are daily exposed to multiple residues of pesticides with agricultural workers representing a subpopulation at higher risk. In this context, the cumulative risk assessment of pesticide mixtures is an urgent issue. The present study evaluated, as a case study, the toxicological profiles of thirteen pesticide mixtures used for grapevine protection, including ten active compounds (sulfur, potassium phosphonate, metrafenone, zoxamide, cyflufenamid, quinoxyfen, mancozeb, folpet, penconazole and dimethomorph), at concentrations used on field. A battery of in vitro tests for cell viability and oxidative stress endpoints (cytotoxicity, apoptosis, necrosis, ROS production, mitochondrial membrane potential, gene expression of markers for apoptosis and oxidative stress) was performed on two cellular models representative of main target organs of workers' and population exposure: pulmonary A549 and hepatic HepG2 cell lines. All the endpoints provided evidence for effects also at the lower concentrations used. The overall data were integrated into the ToxPI tool obtaining a toxicity ranking of the mixtures, allowing to prioritize effects also among similarly composed blends. The clustering of the toxicological profiles further provided evidence of common and different modes of action of the mixtures. The approach demonstrated to be suitable for the purpose and it could be applied also in other contexts.
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Affiliation(s)
- Sabrina Tait
- Center for Gender-Specific Medicine, Italian National Institute of Health, 00161 Rome, Italy or (G.L.); (R.T.); (C.L.R.); (F.M.)
| | - Gabriele Lori
- Center for Gender-Specific Medicine, Italian National Institute of Health, 00161 Rome, Italy or (G.L.); (R.T.); (C.L.R.); (F.M.)
- Science Department, Università Degli Studi di Roma Tre, Viale Guglielmo Marconi 446, 00146 Rome, Italy
| | - Roberta Tassinari
- Center for Gender-Specific Medicine, Italian National Institute of Health, 00161 Rome, Italy or (G.L.); (R.T.); (C.L.R.); (F.M.)
| | - Cinzia La Rocca
- Center for Gender-Specific Medicine, Italian National Institute of Health, 00161 Rome, Italy or (G.L.); (R.T.); (C.L.R.); (F.M.)
| | - Francesca Maranghi
- Center for Gender-Specific Medicine, Italian National Institute of Health, 00161 Rome, Italy or (G.L.); (R.T.); (C.L.R.); (F.M.)
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Crépet A, Vasseur P, Jean J, Badot PM, Nesslany F, Vernoux JP, Feidt C, Mhaouty-Kodja S. Integrating Selection and Risk Assessment of Chemical Mixtures: A Novel Approach Applied to a Breast Milk Survey. ENVIRONMENTAL HEALTH PERSPECTIVES 2022; 130:35001. [PMID: 35238606 PMCID: PMC8893236 DOI: 10.1289/ehp8262] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 09/08/2021] [Accepted: 09/09/2021] [Indexed: 06/01/2023]
Abstract
BACKGROUND One of the main challenges of modern risk assessment is to account for combined exposure to the multitude of various substances present in food and the environment. OBJECTIVE The present work proposes a methodological approach to perform chemical risk assessment of contaminant mixtures across regulatory silos regarding an extensive range of substances and to do so when comprehensive relevant data concerning the specific effects and modes of action of the mixture components are not available. METHODS We developed a complete step-by-step approach using statistical methods to prioritize substances involved in combined exposure, and we used a component-based approach to cumulate the risk using dose additivity. The most relevant toxicological end point and the associated reference point were selected from the literature to construct a toxicological threshold for each substance. DISCUSSION By applying the proposed method to contaminants in breast milk, we observed that among the 19 substances comprising the selected mixture, ∑DDT, ∑PCBi, and arsenic were main joint contributors to the risk of neurodevelopmental and thyroid effects for infants. In addition, ∑PCCD/F contributed to the thyroid effect and ∑aldrin-dieldrin to the neurodevelopmental effect. Our case study on contaminants in breast milk demonstrated the importance of crossing regulatory silos when studying mixtures and the importance of identifying risk drivers to regulate the risk related to environmental contamination. Applying this method to another set of data, such as human biomonitoring or in ecotoxicology, will reinforce its relevance for risk assessment. https://doi.org/10.1289/EHP8262.
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Affiliation(s)
- Amélie Crépet
- Methodology and Studies Unit, Risk Assessment Department, French Agency for Food, Environmental and Occupational Health and Safety, Maisons-Alfort, France
| | - Paule Vasseur
- Université de Lorraine, Centre national de la recherche scientifique (CNRS), Laboratoire Interdisciplinaire des Environnements Continentaux, Metz, France
| | - Julien Jean
- Methodology and Studies Unit, Risk Assessment Department, French Agency for Food, Environmental and Occupational Health and Safety, Maisons-Alfort, France
| | - Pierre-Marie Badot
- Chrono-Environment Department, Franche-Comté University, CNRS, Besançon, France
| | - Fabrice Nesslany
- Université de Lille, Centre Hospitalier Universitaire de Lille, Institut Pasteur de Lille, EA4483-IMPacts de l’Environnement Chimique sur la Santé Humaine, Lille, France
- Laboratoire de Toxicologie Génétique, Institut Pasteur de Lille, Lille, France
| | - Jean-Paul Vernoux
- Université de Caen Normandie, Unité de Recherche Aliments Bioprocédés Toxicologie Environnements, EA4651, Caen, France
| | - Cyril Feidt
- Université de Lorraine, Unité de Recherche Animal et Fonctionnalités des Produits Animaux, Nancy, France
| | - Sakina Mhaouty-Kodja
- Sorbonne Université, CNRS, Institut national de la santé et de la recherche médicale, Neuroscience Paris Seine—Institut de Biologie Paris Seine, Paris, France
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Barrón Cuenca J, de Oliveira Galvão MF, Ünlü Endirlik B, Tirado N, Dreij K. In vitro cytotoxicity and genotoxicity of single and combined pesticides used by Bolivian farmers. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2022; 63:4-17. [PMID: 34881454 DOI: 10.1002/em.22468] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 11/30/2021] [Accepted: 12/07/2021] [Indexed: 05/27/2023]
Abstract
We previously showed that farmers in Bolivia are exposed to many pesticides, some at elevated levels, and that this was associated with increased risk of genetic damage. To improve the understanding of possible mixture effects, the cytotoxicity and genotoxicity of pesticides were studied in vitro using human liver HepG2 cells. The studied pesticides were 2,4-D, chlorpyrifos, cypermethrin, glyphosate, methamidophos, paraquat, profenofos, and tebuconazole. Three mixtures (U1, U2, and U3) were based on profiles of urinary pesticide metabolites and one mixture on the most frequently used pesticides (S1). The results showed that paraquat and methamidophos were the most cytotoxic pesticides (EC50 ≤0.3 mM). Paraquat, chlorpyrifos, tebuconazole, and the U1, U2, and U3 mixtures, which contained a large proportion of either chlorpyrifos or tebuconazole, significantly increased intracellular ROS levels. Most pesticides activated DNA damage signaling through proteins Chk1 and H2AX. Strongest responses were elicited by paraquat, profenofos, chlorpyrifos, cypermethrin, and the S1 mixture, which contained 25% paraquat. Comet assay revealed significant increases of DNA damage in response to paraquat, cypermethrin, and U2 and S1 mixtures, which contained high levels of cypermethrin and paraquat, respectively. In summary, we showed that the tested pesticides, alone or in mixtures, in general induced oxidative stress and that most pesticides, and especially paraquat and cypermethrin, were genotoxic in HepG2 cells. We could also show that mixtures dominated by these two pesticides displayed a marked genotoxic potency, which agreed with our previous population studies.
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Affiliation(s)
- Jessika Barrón Cuenca
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Genetic Institute, Medicine Faculty, Universidad Mayor de San Andrés, La Paz, Bolivia
| | | | - Burcu Ünlü Endirlik
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Pharmaceutical Toxicology, Faculty of Pharmacy, Erciyes University, Kayseri, Turkey
| | - Noemi Tirado
- Genetic Institute, Medicine Faculty, Universidad Mayor de San Andrés, La Paz, Bolivia
| | - Kristian Dreij
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
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More SJ, Bampidis V, Benford D, Bragard C, Hernandez‐Jerez A, Bennekou SH, Halldorsson TI, Koutsoumanis KP, Lambré C, Machera K, Naegeli H, Nielsen SS, Schlatter JR, Schrenk D, Silano V, Turck D, Younes M, Benfenati E, Crépet A, Te Biesebeek JD, Testai E, Dujardin B, Dorne JLCM, Hogstrand C. Guidance Document on Scientific criteria for grouping chemicals into assessment groups for human risk assessment of combined exposure to multiple chemicals. EFSA J 2021; 19:e07033. [PMID: 34976164 PMCID: PMC8681880 DOI: 10.2903/j.efsa.2021.7033] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
This guidance document provides harmonised and flexible methodologies to apply scientific criteria and prioritisation methods for grouping chemicals into assessment groups for human risk assessment of combined exposure to multiple chemicals. In the context of EFSA's risk assessments, the problem formulation step defines the chemicals to be assessed in the terms of reference usually through regulatory criteria often set by risk managers based on legislative requirements. Scientific criteria such as hazard-driven criteria can be used to group these chemicals into assessment groups. In this guidance document, a framework is proposed to apply hazard-driven criteria for grouping of chemicals into assessment groups using mechanistic information on toxicity as the gold standard where available (i.e. common mode of action or adverse outcome pathway) through a structured weight of evidence approach. However, when such mechanistic data are not available, grouping may be performed using a common adverse outcome. Toxicokinetic data can also be useful for grouping, particularly when metabolism information is available for a class of compounds and common toxicologically relevant metabolites are shared. In addition, prioritisation methods provide means to identify low-priority chemicals and reduce the number of chemicals in an assessment group. Prioritisation methods include combined risk-based approaches, risk-based approaches for single chemicals and exposure-driven approaches. Case studies have been provided to illustrate the practical application of hazard-driven criteria and the use of prioritisation methods for grouping of chemicals in assessment groups. Recommendations for future work are discussed.
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Arnaud LC, Gauthier T, Le Naour A, Hashim S, Naud N, Shay JW, Pierre FH, Boutet-Robinet E, Huc L. Short-Term and Long-Term Carcinogenic Effects of Food Contaminants (4-Hydroxynonenal and Pesticides) on Colorectal Human Cells: Involvement of Genotoxic and Non-Genomic Mechanisms. Cancers (Basel) 2021; 13:cancers13174337. [PMID: 34503147 PMCID: PMC8431687 DOI: 10.3390/cancers13174337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 08/09/2021] [Accepted: 08/19/2021] [Indexed: 12/03/2022] Open
Abstract
Simple Summary One’s environment, including diet, play a major role in the occurrence and the development of colorectal cancer (CRC). In this study, we are interested in two western diet associated food contaminants: 4-hydroxynonenal (HNE), a major lipid peroxidation product neoformed during digestion, and a mixture of pesticides to which we are commonly exposed to via fruit and vegetable consumption. The aim of this study was to analyse the impact of acute and long-term exposure to these contaminants, alone or in combination, on colorectal carcinogenesis. We used in vitro models of human colonic cells, either exhibiting or not different genetic susceptibilities to CRC. After acute exposure, we did not observe major alteration. However, long-term exposure to contaminants induce malignant transformation with different cellular mechanisms, depending on genetic susceptibility and contaminants alone or in mixtures. Abstract To investigate environmental impacts upon colorectal carcinogenesis (CRC) by diet, we assessed two western diet food contaminants: 4-hydroxynonenal (HNE), a major lipid peroxidation product neoformed during digestion, and a mixture of pesticides. We used human colonic cell lines ectopically eliciting varied genetic susceptibilities to CRC: the non-transformed human epithelial colonic cells (HCECs) and their five isogenic cell lines with the loss of APC (Adenomatous polyposis coli) and TP53 (Tumor protein 53) and/or ectopic expression of mutated KRAS (Kristen-ras). These cell lines have been exposed for either for a short time (2–24 h) or for a long period (3 weeks) to 1 µM HNE and/or 10 µM pesticides. After acute exposure, we did not observe any cytotoxicity or major DNA damage. However, long-term exposure to pesticides alone and in mixture with HNE induced clonogenic transformation in normal HCECs, as well as in cells representing later stages of carcinogenesis. It was associated with genotoxic and non-genomic mechanisms (cell growth, metabolic reprogramming, cell mobility and epithelial-mesenchymal transition) depending on genetic susceptibility. This study demonstrated a potential initiating and promoting effect of food contaminants on CRC after long-term exposure. It supports that these contaminants can accelerate carcinogenesis when mutations in oncogenes or tumor suppressor genes occur.
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Affiliation(s)
- Liana C. Arnaud
- Toxalim (Research Centre in Food Toxicology), University of Toulouse, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France; (L.C.A.); (T.G.); (A.L.N.); (S.H.); (N.N.); (F.H.P.); (E.B.-R.)
| | - Thierry Gauthier
- Toxalim (Research Centre in Food Toxicology), University of Toulouse, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France; (L.C.A.); (T.G.); (A.L.N.); (S.H.); (N.N.); (F.H.P.); (E.B.-R.)
| | - Augustin Le Naour
- Toxalim (Research Centre in Food Toxicology), University of Toulouse, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France; (L.C.A.); (T.G.); (A.L.N.); (S.H.); (N.N.); (F.H.P.); (E.B.-R.)
| | - Saleha Hashim
- Toxalim (Research Centre in Food Toxicology), University of Toulouse, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France; (L.C.A.); (T.G.); (A.L.N.); (S.H.); (N.N.); (F.H.P.); (E.B.-R.)
| | - Nathalie Naud
- Toxalim (Research Centre in Food Toxicology), University of Toulouse, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France; (L.C.A.); (T.G.); (A.L.N.); (S.H.); (N.N.); (F.H.P.); (E.B.-R.)
| | - Jerry W. Shay
- Southwestern Medical Center Dallas, Department of Cell Biology, The University of Texas, Dallas, TX 75390, USA;
| | - Fabrice H. Pierre
- Toxalim (Research Centre in Food Toxicology), University of Toulouse, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France; (L.C.A.); (T.G.); (A.L.N.); (S.H.); (N.N.); (F.H.P.); (E.B.-R.)
| | - Elisa Boutet-Robinet
- Toxalim (Research Centre in Food Toxicology), University of Toulouse, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France; (L.C.A.); (T.G.); (A.L.N.); (S.H.); (N.N.); (F.H.P.); (E.B.-R.)
| | - Laurence Huc
- Toxalim (Research Centre in Food Toxicology), University of Toulouse, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France; (L.C.A.); (T.G.); (A.L.N.); (S.H.); (N.N.); (F.H.P.); (E.B.-R.)
- Correspondence: ; Tel.: +33-5-8206-6320
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11
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Tirpák F, Greifová H, Lukáč N, Stawarz R, Massányi P. Exogenous Factors Affecting the Functional Integrity of Male Reproduction. Life (Basel) 2021; 11:213. [PMID: 33803103 PMCID: PMC8001766 DOI: 10.3390/life11030213] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/04/2021] [Accepted: 03/07/2021] [Indexed: 12/16/2022] Open
Abstract
Natural processes along with increased industrial production and the irresponsible behavior of mankind have resulted in environmental pollution. Environmental pollutants can be categorized based on their characteristics and appearance into the following groups: physical, biological, and chemical. Every single one of them represents a serious threat to the male reproductive tract despite the different modes of action. Male gonads and gametes are especially vulnerable to the effect of exogenous factors; therefore, they are considered a reliable indicator of environmental pollution. The impact of xenobiotics or radiation leads to an irreversible impairment of fertility displayed by histological changes, modulated androgen production, or compromised spermatozoa (or germ cells) quality. The present article reviews the exogenous threats, male reproductive system, the mode of action, and overall impact on the reproductive health of humans and animals.
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Affiliation(s)
- Filip Tirpák
- AgroBioTech Research Centre, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia
| | - Hana Greifová
- Department of Animal Physiology, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (H.G.); (N.L.)
| | - Norbert Lukáč
- Department of Animal Physiology, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (H.G.); (N.L.)
| | - Robert Stawarz
- Institute of Biology, Pedagogical University of Krakow, Podchorazych 2, 30-084 Krakow, Poland;
| | - Peter Massányi
- Department of Animal Physiology, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovakia; (H.G.); (N.L.)
- Institute of Biology, Pedagogical University of Krakow, Podchorazych 2, 30-084 Krakow, Poland;
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12
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Jacob RS, de Souza Santos LV, d'Auriol M, Lebron YAR, Moreira VR, Lange LC. Diazepam, metformin, omeprazole and simvastatin: a full discussion of individual and mixture acute toxicity. ECOTOXICOLOGY (LONDON, ENGLAND) 2020; 29:1062-1071. [PMID: 32588236 DOI: 10.1007/s10646-020-02239-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/06/2020] [Indexed: 06/11/2023]
Abstract
High consumption of drugs, combined with their presence in the environment, raises concerns about its consequences. Even though researches are often engaged in analyzing substances separately, that is not the environmental reality. Therefore, the aim of this study was to investigate the acute toxicity of the pharmaceuticals simvastatin, metformin, omeprazole and diazepam, and all possible mixtures between them, to the organism Aliivibrio fischeri, verifying possible synergistic or antagonistic effects and assessing byproducts formation. In terms of individual toxicity, omeprazole is the most toxic of the active ingredients, followed by simvastatin, diazepam and, finally, metformin. When the toxicity of mixtures was tested, synergism, antagonism and hormesis were perceived, most probably generated due to byproducts formation. Moreover, it was observed that even when compounds are at concentrations below the non-observed effect concentration (NOEC), there may be toxicity to the mixture. Hence, this work points to the urgent need for more studies involving mixtures, since chemicals are subject to interactions and modifications, can mix, and potentiate or nullify the toxic effect of each other.
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Affiliation(s)
- Raquel Sampaio Jacob
- Sanitation and Environmental Engineering Department, School of Engineering, Federal University of Minas Gerais, Avenue Antônio Carlos, 6627, Campus Pampulha, MG, Brazil.
- Civil Engineering Department, Pontifical Catholic University of Minas Gerais, Belo Horizonte, MG, ZIP 30.535-901, Brazil.
| | - Lucilaine Valéria de Souza Santos
- Sanitation and Environmental Engineering Department, School of Engineering, Federal University of Minas Gerais, Avenue Antônio Carlos, 6627, Campus Pampulha, MG, Brazil
- Chemical Engineering Department, Pontifical Catholic University of Minas Gerais, Belo Horizonte, MG, ZIP 30.535-901, Brazil
| | - Mirna d'Auriol
- Sanitation and Environmental Engineering Department, School of Engineering, Federal University of Minas Gerais, Avenue Antônio Carlos, 6627, Campus Pampulha, MG, Brazil
| | - Yuri Abner Rocha Lebron
- Sanitation and Environmental Engineering Department, School of Engineering, Federal University of Minas Gerais, Avenue Antônio Carlos, 6627, Campus Pampulha, MG, Brazil
| | - Victor Rezende Moreira
- Sanitation and Environmental Engineering Department, School of Engineering, Federal University of Minas Gerais, Avenue Antônio Carlos, 6627, Campus Pampulha, MG, Brazil
| | - Liséte Celina Lange
- Sanitation and Environmental Engineering Department, School of Engineering, Federal University of Minas Gerais, Avenue Antônio Carlos, 6627, Campus Pampulha, MG, Brazil
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13
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Bertho JM, Bo R, Magneron V, Legendre A, Cochard M, Broggio D, Tack K. Co-exposure to internal and external radiation alters cesium biokinetics and retention in mice. JOURNAL OF RADIOLOGICAL PROTECTION : OFFICIAL JOURNAL OF THE SOCIETY FOR RADIOLOGICAL PROTECTION 2020; 40:504-519. [PMID: 32109890 DOI: 10.1088/1361-6498/ab7b43] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Exposures in post-accidental situations are complex and include both external exposure and internal contamination with several radionuclides. However, in vivo and in vitro studies generally use simplified exposures, while a recent study suggested that combined external irradiation and internal contamination may induce more severe biological effects compared to single exposures. In an attempt to test the hypothesis of potential non-additive effects of multiple radiological exposures, we used a mouse model of combined external x-ray irradiation at 1 and 5 Gy and internal contamination with injection of 20 KBq 137Cs. The results showed differential kinetics of 137Cs elimination in irradiated animals compared to sham-irradiated, 137Cs injected animals. Moreover, changes in plasma potassium and in relative testis weight were observed 38 days after irradiation and injection in co-exposed animals compared to 137Cs injection alone. These results demonstrate that an external exposure combined with an internal contamination may lead to unexpected changes in biokinetics of radionuclides and biological effects compared to single exposures.
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Affiliation(s)
- Jean-Marc Bertho
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSE-SANTE/SESANE, Fontenay-aux Roses, France
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14
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Ferré DM, Ludueña HR, Romano RR, Gorla NBM. Evaluation of the genotoxic potential of cypermethrin, chlorpyrifos and their subsequent mixture, on cultured bovine lymphocytes. CHEMOSPHERE 2020; 243:125341. [PMID: 31751924 DOI: 10.1016/j.chemosphere.2019.125341] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 11/06/2019] [Accepted: 11/07/2019] [Indexed: 06/10/2023]
Abstract
Cypermethrin (CYP) and chlorpyrifos (CPF) are insecticides/parasiticides used in the production of fruits, vegetables and beef cattle. These substances or their metabolites are frequently reported as residues in food, whose consumption in a diet implies a genotoxic risk. The potential for chronic toxicity of CYP and CPF is unclear, and only a few genotoxicological evaluations based on their mixture have been performed. The aim of this study was to evaluate the genotoxic potential of CYP, CPF and CYP + CPF in five concentrations, from 5.9 to 175 μg/mL, on bovine lymphocytes. By means of the cytokinesis-block micronucleus cytome assay, a decrease in the cell proliferation index was observed (r = -0.89 p = 0.04); and also an increase in the frequencies of binucleated cells (BN) with micronuclei (BNMn) (r = 0.93, p = 0.02) and BN with nuclear buds (BNBud) (r = 0.778 p = 0.04), depending on the concentrations of CPF. An increase in BNMn frequencies was observed as a function of CYP concentrations (r = 0.89, p = 0.04) and also of the CYP + CPF mix (r = 0.99, p = 0.008). CYP caused greater genotoxic damage (BNMn) than CPF and the mixture on bovine lymphocytes. Cells with simultaneous presentation of micronuclei and nuclear buds were detected, as well as cells with irregular nuclei, something never previously reported, whose origin and significance should be investigated. The genotoxic effect of chlorpyrifos, cypermethrin and their mixture on bovine lymphocytes was observed. We recognized the value of the use of primary bovine cultures, animal species adjacent to man in the food chain, for genotoxicity studies.
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Affiliation(s)
- D M Ferré
- Laboratorio de Genética, Ambiente y Reproducción, Universidad Juan Agustín Maza, Mendoza, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina.
| | - H R Ludueña
- Laboratorio de Genética, Ambiente y Reproducción, Universidad Juan Agustín Maza, Mendoza, Argentina
| | - R R Romano
- Laboratorio de Genética, Ambiente y Reproducción, Universidad Juan Agustín Maza, Mendoza, Argentina
| | - N B M Gorla
- Laboratorio de Genética, Ambiente y Reproducción, Universidad Juan Agustín Maza, Mendoza, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina.
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15
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Coker E, Liverani S, Su JG, Molitor J. Multi-pollutant Modeling Through Examination of Susceptible Subpopulations Using Profile Regression. Curr Environ Health Rep 2019; 5:59-69. [PMID: 29427169 DOI: 10.1007/s40572-018-0177-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PURPOSE OF REVIEW The inter-correlated nature of exposure-based risk factors in environmental health studies makes it a challenge to determine their combined effect on health outcomes. As such, there has been much research of late regarding the development and utilization of methods in the field of multi-pollutant modeling. However, much of this work has focused on issues related to variable selection in a regression context, with the goal of identifying which exposures are the "bad actors" most responsible for affecting the health outcome of interest. However, the question addressed by these approaches does not necessarily represent the only or most important questions of interest in a multi-pollutant modeling context, where researchers may be interested in health effects from co-exposure patterns and in identifying subpopulations associated with patterns defined by different levels of constituent exposures. RECENT FINDINGS One approach to analyzing multi-pollutant data is to use a method known as Bayesian profile regression, which aids in identifying susceptible subpopulations associated with exposure mixtures defined by different levels of each exposure. Identification of exposure-level patterns that correspond to a location may provide a starting point for policy-based exposure reduction. Also, in a spatial context, identification of locations with the most health-relevant exposure-mixture profiles might provide further policy relevant information. In this brief report, we review and describe an approach that can be used to identify exposures in subpopulations or locations known as Bayesian profile regression. An example is provided in which we examine associations between air pollutants, an indicator of healthy food retailer availability, and indicators of poverty in Los Angeles County. A general tread suggesting that vulnerable individuals are more highly exposed and have limited access to healthy food retailers is observed, though the associations are complex and non-linear.
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Affiliation(s)
- Eric Coker
- School of Public Health, University of California at Berkeley, Berkeley, CA, USA
| | - Silvia Liverani
- School of Mathematical Sciences, Queen Mary University of London, Mile End Road, London, E1 4NS, UK
| | - Jason G Su
- Environmental Health Sciences, School of Public Health, University of California at Berkeley, Berkeley, CA, 94720-7360, USA
| | - John Molitor
- School of Biological and Population Health Sciences, College of Public Health and Human Sciences, Oregon State University, Corvallis, Oregon, USA.
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16
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Automodified Poly(ADP-Ribose) Polymerase Analysisto Monitor DNA Damagein Peripheral Lymphocytes of Floriculturists Occupationally Exposed to Pesticides. Cells 2019; 8:cells8020137. [PMID: 30744056 PMCID: PMC6407306 DOI: 10.3390/cells8020137] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 02/05/2019] [Accepted: 02/06/2019] [Indexed: 01/18/2023] Open
Abstract
Increased DNA damage and the propension to cancer development, depend on the modulation of the mechanisms to control and maintain genomic integrity. Poly(ADP-Ribose)Polymerase activation and automodification are early responses to genotoxic stress. Upon binding to DNA strand breaks, the enzyme, a molecular DNA nick sensor, is hyperactivated: this is the first step in a series of events leading to either DNA repair or apoptosis. Enzyme hyperactivation and automodification can be easily measured and are widely used to look at DNA damage extent in the cell. We investigated whether these two markers (increased catalytic activity and auto modification), could help to monitor DNA damage in lymphocytes of flower growers from Southern Italy, occupationally exposed to pesticides. Peripheral lymphocyte lysates were analyzed for Poly(ADP-Ribose)Polymerase activity, and by SDS-PAGE and anti-Poly(ADP-Ribose)Polymerase 1-antibodyto measure automodified Poly(ADP-Ribose)Polymerase levels bydensitometry. Poly(ADP-Ribose)Polymerase activity and PARP automodification followed the same trend. Growers daily exposed to pesticides, showed both biomarkers very high, either in the presence or in the absence of pathologies. PARP activity and auto-modification in peripheral blood lymphocytes are possible, non-invasive, androutinartools to monitor the healthy conditions of floricoltorists.
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17
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Kopp B, Vignard J, Mirey G, Fessard V, Zalko D, Le Hgarat L, Audebert M. Genotoxicity and mutagenicity assessment of food contaminant mixtures present in the French diet. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2018; 59:742-754. [PMID: 30230031 DOI: 10.1002/em.22214] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 05/22/2018] [Accepted: 05/29/2018] [Indexed: 06/08/2023]
Abstract
Through diet, people are exposed simultaneously to a variety of contaminants (e.g. heavy metals, mycotoxins, pesticides) that could have combined adverse effects on human health. A previous study identified six main mixtures of food contaminants to which French adult consumers are exposed. These complex mixtures are comprised of 11 to 19 chemicals that have numerous toxic properties. In the present study, we investigated the genotoxic effects of these food contaminants, as single molecules and in mixtures that reflect their occurrence in the French diet, using the γH2AX assay in two human cell lines (HepG2, LS-174 T). Results of detailed analysis of the 49 individual contaminants (including 21 tested in this study) demonstrated a positive genotoxic response to 14 contaminants in HepG2 and 12 in LS-174 T cells. Next, our results indicated that two mixtures out of six triggered significant γH2AX induction after 24 hr of treatment, at concentrations for which individual compounds did not induce any DNA damage, suggesting more than additive interactions between chemicals. γH2AX positive mixtures were then tested for mutagenicity with the innovative in vitro PIG-A assay in HepG2 cells coupled with the soft agar colony formation assay. The two γH2AX positive mixtures led to a significant increase in the frequency of PIG-A GPI-deficient cells and in the number of colonies formed in soft agar. In conclusion, our study demonstrates that two mixtures of contaminants present in the French diet induce genotoxicity and mutagenicity, and that the combined effects of single molecules present in these mixtures are likely not additive, highlighting potential problems for hazard assessment of mixtures. Environ. Mol. Mutagen. 59:742-754, 2018. © 2018 Wiley Periodicals, Inc.
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Affiliation(s)
- B Kopp
- Toxalim, Université de Toulouse, INRA, INP-ENVT, INP-EI-Purpan, Université de Toulouse 3 Paul Sabatier, Toulouse, France
- ANSES (French Agency for Food, Environmental and Occupational Health and Safety), Toxicology of Contaminants Unit, Fougères, France
| | - J Vignard
- Toxalim, Université de Toulouse, INRA, INP-ENVT, INP-EI-Purpan, Université de Toulouse 3 Paul Sabatier, Toulouse, France
| | - G Mirey
- Toxalim, Université de Toulouse, INRA, INP-ENVT, INP-EI-Purpan, Université de Toulouse 3 Paul Sabatier, Toulouse, France
| | - V Fessard
- ANSES (French Agency for Food, Environmental and Occupational Health and Safety), Toxicology of Contaminants Unit, Fougères, France
| | - D Zalko
- Toxalim, Université de Toulouse, INRA, INP-ENVT, INP-EI-Purpan, Université de Toulouse 3 Paul Sabatier, Toulouse, France
| | - L Le Hgarat
- ANSES (French Agency for Food, Environmental and Occupational Health and Safety), Toxicology of Contaminants Unit, Fougères, France
| | - M Audebert
- Toxalim, Université de Toulouse, INRA, INP-ENVT, INP-EI-Purpan, Université de Toulouse 3 Paul Sabatier, Toulouse, France
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18
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Kori RK, Singh MK, Jain AK, Yadav RS. Neurochemical and Behavioral Dysfunctions in Pesticide Exposed Farm Workers: A Clinical Outcome. Indian J Clin Biochem 2018; 33:372-381. [PMID: 30319182 DOI: 10.1007/s12291-018-0791-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 09/11/2018] [Indexed: 02/04/2023]
Abstract
The problem of pesticides is not new and its exposure to human due to indiscriminate use is largely associated with the health related problems including neurotoxicological alterations. High levels of pesticide residues and their metabolites in the dietary constituents, food materials, maternal blood, cord blood, placenta breast milk have been reported and linked to alterations in birth weight, crown heel length, head circumference, mid-arm circumference and ponderal index of the neonates. Epidemiological studies have suggested that exposure of pesticide to human could be a significant risk factor for neurological disorders, including Parkinson's disease, Alzheimer's disease and multiple sclerosis. Cholinergic and non-cholinergic dysfunctions in pesticide exposed population, especially in children have also been frequently reported in recent years. Developmental neurotoxicity is another concern in the area where pregnant are more prone towards its exposure and which results in the abnormalities in the fetus. In view of the increasing risk of human health through pesticide exposure, the present review has been focused on the studies pertaining to pesticide induced neurochemical alterations and associated behavioral abnormalities in farm workers which could establish a possible link between the its exposure and associated health hazards.
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Affiliation(s)
- Rajesh Kumar Kori
- 1Department of Criminology and Forensic Science, School of Applied Sciences, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP 470 003 India
| | - Manish Kumar Singh
- Department of Biochemistry, Government Medical College, Badaun, UP 243601 India
| | - Abhishek Kumar Jain
- 3University Health Centre, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP 470 003 India
| | - Rajesh Singh Yadav
- 1Department of Criminology and Forensic Science, School of Applied Sciences, Dr. Harisingh Gour Vishwavidyalaya (A Central University), Sagar, MP 470 003 India
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19
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Ferré DM, Quero AAM, Hernández AF, Hynes V, Tornello MJ, Lüders C, Gorla NBM. Potential risks of dietary exposure to chlorpyrifos and cypermethrin from their use in fruit/vegetable crops and beef cattle productions. ENVIRONMENTAL MONITORING AND ASSESSMENT 2018; 190:292. [PMID: 29671119 DOI: 10.1007/s10661-018-6647-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 03/26/2018] [Indexed: 05/14/2023]
Abstract
The active ingredients (a.i.) used as pesticides vary across regions. Diet represents the main source of chronic exposure to these chemicals. The aim of this study was to look at the pesticides applied in fruit, vegetable, and beef cattle productions in Mendoza (Argentina), to identify those that were simultaneously used by the three production systems. Local individuals (n = 160), involved in these productions, were interviewed. Glyphosate was the a.i. most often used by fruit-vegetable producers, and ivermectin by beef cattle producers. Chlorpyrifos (CPF) and cypermethrin (CYP) were the only a.i. used by the three production systems. The survey revealed that CPF, CYP, alpha CYP, and CPF+CYP were used by 22, 16, 4, and 20% of the fruit and vegetable producers, respectively. Regarding beef cattle, CYP was used by 90% of producers, CYP + CPF formulation by 8%, and alpha CYP by 2%. The second approach of this study was to search the occurrence of CYP and CPF residues in food commodities analyzed under the National Plan for Residue Control (2012-2015). CYP residues found above the LOD were reported in 4.0% and CPF in 13.4% of the vegetable samples tested, as well as in 1.2 and 28.8%, respectively, of the fruit samples tested. Regarding beef cattle, CYP residues were reported in 2.3% and organophosphates (as a general pesticide class) in 13.5% of samples tested. In conclusion, consumers may be exposed simultaneously to CPF and CYP, from fruits, vegetables, and beef intake. Accordingly, the policy for pesticide residues in food and human risk assessment should account for the combined exposure to CPF and CYP. Moreover, appropriate toxicological studies of this mixture (including genotoxicity) are warranted.
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Affiliation(s)
- Daniela M Ferré
- Universidad Juan Agustín Maza, Lateral Sur de Av. Acceso Este, Guaymallén, Mendoza, Argentina.
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mendoza, Argentina.
| | - Arnoldo A M Quero
- Universidad Juan Agustín Maza, Lateral Sur de Av. Acceso Este, Guaymallén, Mendoza, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mendoza, Argentina
| | - Antonio F Hernández
- Facultad de Medicina, Universidad de Granada, Avda. de la Investigación, 11, 18016, Granada, Spain
| | - Valentina Hynes
- Universidad Juan Agustín Maza, Lateral Sur de Av. Acceso Este, Guaymallén, Mendoza, Argentina
| | - Marcelo J Tornello
- Universidad Juan Agustín Maza, Lateral Sur de Av. Acceso Este, Guaymallén, Mendoza, Argentina
| | - Carlos Lüders
- Facultad de Recursos Naturales, Universidad Católica de Temuco, Rudecindo Ortega, 02950, Temuco, Chile
| | - Nora B M Gorla
- Universidad Juan Agustín Maza, Lateral Sur de Av. Acceso Este, Guaymallén, Mendoza, Argentina.
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Mendoza, Argentina.
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20
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Jellali R, Gilard F, Pandolfi V, Legendre A, Fleury MJ, Paullier P, Legallais C, Leclerc E. Metabolomics-on-a-chip approach to study hepatotoxicity of DDT, permethrin and their mixtures. J Appl Toxicol 2018; 38:1121-1134. [DOI: 10.1002/jat.3624] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Revised: 02/25/2018] [Accepted: 03/01/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Rachid Jellali
- CNRS-UMR 7338, Laboratoire de Biomécanique et Bioingénierie, Sorbonne universités; Université de Technologies de Compiègne; France
| | - Françoise Gilard
- UMR 9213/UMR1403, CNRS, INRA, Université Paris-Sud, Université d'Evry, Université Paris-Diderot, Sorbonne Paris-Cité, Saclay Plant Sciences; Institute of Plant Sciences Paris-Saclay (IPS2); Bâtiment 630 91405 Orsay France
| | - Vittoria Pandolfi
- CNRS-UMR 7338, Laboratoire de Biomécanique et Bioingénierie, Sorbonne universités; Université de Technologies de Compiègne; France
| | - Audrey Legendre
- PRP-HOM, SRBE, LRTOX; Institut de Radioprotection et de Sûreté Nucléaire (IRSN); 31 avenue de la Division Leclerc, BP 17 92262 Fontenay-aux-Roses Cedex France
| | - Marie-José Fleury
- CNRS-UMR 7338, Laboratoire de Biomécanique et Bioingénierie, Sorbonne universités; Université de Technologies de Compiègne; France
| | - Patrick Paullier
- CNRS-UMR 7338, Laboratoire de Biomécanique et Bioingénierie, Sorbonne universités; Université de Technologies de Compiègne; France
| | - Cécile Legallais
- CNRS-UMR 7338, Laboratoire de Biomécanique et Bioingénierie, Sorbonne universités; Université de Technologies de Compiègne; France
| | - Eric Leclerc
- CNRS-UMR 7338, Laboratoire de Biomécanique et Bioingénierie, Sorbonne universités; Université de Technologies de Compiègne; France
- CNRS UMI 2820, Laboratory for Integrated Micro Mechatronic System, Institute of Industrial Science; University of Tokyo; 4-6-1, Komaba, Meguro ku Tokyo 153 8505 Japan
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21
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Gamet-Payrastre L, Lukowicz C. Les effets des mélanges de pesticides. CAHIERS DE NUTRITION ET DE DIETETIQUE 2017. [DOI: 10.1016/j.cnd.2017.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Endocrine Disruptor Compounds (EDCs) and agriculture: The case of pesticides. C R Biol 2017; 340:406-409. [PMID: 28826788 DOI: 10.1016/j.crvi.2017.07.009] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 07/21/2017] [Indexed: 11/20/2022]
Abstract
A number of pesticides are suspected or proved to act as endocrine disruptor compounds (EDCs). In the present survey of the literature, we try to define the main issues to be considered to classify individual pesticides as EDC or not.
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Coker E, Gunier R, Bradman A, Harley K, Kogut K, Molitor J, Eskenazi B. Association between Pesticide Profiles Used on Agricultural Fields near Maternal Residences during Pregnancy and IQ at Age 7 Years. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2017; 14:E506. [PMID: 28486423 PMCID: PMC5451957 DOI: 10.3390/ijerph14050506] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Revised: 05/01/2017] [Accepted: 05/05/2017] [Indexed: 11/23/2022]
Abstract
We previously showed that potential prenatal exposure to agricultural pesticides was associated with adverse neurodevelopmental outcomes in children, yet the effects of joint exposure to multiple pesticides is poorly understood. In this paper, we investigate associations between the joint distribution of agricultural use patterns of multiple pesticides (denoted as "pesticide profiles") applied near maternal residences during pregnancy and Full-Scale Intelligence Quotient (FSIQ) at 7 years of age. Among a cohort of children residing in California's Salinas Valley, we used Pesticide Use Report (PUR) data to characterize potential exposure from use within 1 km of maternal residences during pregnancy for 15 potentially neurotoxic pesticides from five different chemical classes. We used Bayesian profile regression (BPR) to examine associations between clustered pesticide profiles and deficits in childhood FSIQ. BPR identified eight distinct clusters of prenatal pesticide profiles. Two of the pesticide profile clusters exhibited some of the highest cumulative pesticide use levels and were associated with deficits in adjusted FSIQ of -6.9 (95% credible interval: -11.3, -2.2) and -6.4 (95% credible interval: -13.1, 0.49), respectively, when compared with the pesticide profile cluster that showed the lowest level of pesticides use. Although maternal residence during pregnancy near high agricultural use of multiple neurotoxic pesticides was associated with FSIQ deficit, the magnitude of the associations showed potential for sub-additive effects. Epidemiologic analysis of pesticides and their potential health effects can benefit from a multi-pollutant approach to analysis.
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Affiliation(s)
- Eric Coker
- School of Public Health, University of California, Berkeley, CA 94703, USA.
| | - Robert Gunier
- School of Public Health, University of California, Berkeley, CA 94703, USA.
| | - Asa Bradman
- School of Public Health, University of California, Berkeley, CA 94703, USA.
| | - Kim Harley
- School of Public Health, University of California, Berkeley, CA 94703, USA.
| | - Katherine Kogut
- School of Public Health, University of California, Berkeley, CA 94703, USA.
| | - John Molitor
- College of Public Health and Human Sciences, Oregon State University, Corvallis, OR 97331, USA.
| | - Brenda Eskenazi
- School of Public Health, University of California, Berkeley, CA 94703, USA.
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Traoré T, Béchaux C, Sirot V, Crépet A. To which chemical mixtures is the French population exposed? Mixture identification from the second French Total Diet Study. Food Chem Toxicol 2016; 98:179-188. [DOI: 10.1016/j.fct.2016.10.028] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 10/26/2016] [Accepted: 10/27/2016] [Indexed: 11/24/2022]
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García-Gutierrez AR, Poblano-Bata R, Flores-Merino MV, Castillo-Cadena J. In vitro evaluation of the mutagenic and cytostatic effect of Tamaron, Lannate and Manzate alone and in mixture. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2016; 51:731-735. [PMID: 27385630 DOI: 10.1080/03601234.2016.1198636] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Pesticides are often used in agriculture, especially in floriculture. They are frequently applied in binary or ternary mixtures. Nevertheless, their impact on the genetic material has been scarcely explored. In this study, the mutagenic and cytostatic effect of three widely used pesticides, alone and combined, were analyzed. Briefly, lymphocytes cultures were obtained from peripheral blood samples of five healthy donors to determine the sister chromatid exchange and the replicative index (RI). Then, lymphocytes were exposed to Tamaron (100 ppm), Lannate (200 ppm) and Manzate (300 ppm) alone and combined. For the binary mixtures, the concentrations used were 50 ppm of Tamaron, 100 ppm of Lannate and 150 ppm of Manzate. For the ternary mixtures the following concentrations were used: Tamaron (33 ppm), Lannate (70 ppm) and Manzate (100 ppm). Finally, differential staining was performed. It was found that the frequency of SCE/cell showed a significant difference (P ≤ 0.05) between the control (2.66) and the individual treatments of Tamaron (4.87), Lannate: (5.12) and Manzate (4.23). Also, the values of the SCE in the binary mixture of Tamaron+Lannate (5.57), Tamaron+Manzate (6.06) and Lannate+Manzate (6.22) and the ternary mixture (6.63) were statistically different compared to the control. In the RI there was a significant difference between the control (1.98) and the Manzate (1.87). RI differences were also statistically significant (P ≤ 0.05) in mixtures of Tamaron+Lannate (1.64), Tamaron+Manzate (1.63), Lannate+Manzate (1.69) and total mixture (1.53). Therefore, it is suggested that these pesticides alone and in mixtures have both mutagenic and cytostatic synergistic effect in human lymphocytes in vitro.
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Affiliation(s)
- Amparo R García-Gutierrez
- a Faculty of Chemistry, Autonomous National University of Mexico , Mexico City , Mexico
- b Cell and Biology Molecular Lab, Research Center in Biomedical Science, Autonomous University of the State of Mexico , Toluca , Mexico
| | - Reyes Poblano-Bata
- b Cell and Biology Molecular Lab, Research Center in Biomedical Science, Autonomous University of the State of Mexico , Toluca , Mexico
| | - Miriam V Flores-Merino
- b Cell and Biology Molecular Lab, Research Center in Biomedical Science, Autonomous University of the State of Mexico , Toluca , Mexico
| | - Julieta Castillo-Cadena
- b Cell and Biology Molecular Lab, Research Center in Biomedical Science, Autonomous University of the State of Mexico , Toluca , Mexico
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Drážovská M, Šiviková K, Holečková B, Dianovský J, Galdíková M, Schwarzbacherová V. Evaluation of potential genotoxic/cytotoxic effects induced by epoxiconazole and fenpropimorph-based fungicide in bovine lymphocytes in vitro. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2016; 51:769-776. [PMID: 27428828 DOI: 10.1080/03601234.2016.1198643] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Potential genotoxic/cytotoxic effects of the epoxiconazole/fenpropimorph-based fungicide were investigated using single cell gel electrophoresis and cytogenetic assays: chromosomal aberrations, sister chromatid exchanges, micronuclei and fluorescence in situ hybridization in cultured bovine lymphocytes. No statistically significant elevations of DNA damage and increases in cytogenetic endpoints were seen. However, evident cytotoxic effect presented as a decrease in mitotic and proliferation indices were recorded after exposure of bovine lymphocytes to the fungicide for 24 and 48 h at concentrations ranging from 3 to 15 µg mL(-1) (P < 0.05, P < 0.01, P < 0.001). Similarly, for 24 h an inhibition in the cytokinesis block proliferation index (CBPI) was obtained after exposure to the fungicide at concentrations ranging from 1.5 to 15 µg mL(-1) (P < 0.01, P < 0.001) in each donor.
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Affiliation(s)
- Monika Drážovská
- a Department of Biology and Genetics , University of Veterinary Medicine and Pharmacy in Košice , Košice , Slovak Republic
| | - Katarína Šiviková
- a Department of Biology and Genetics , University of Veterinary Medicine and Pharmacy in Košice , Košice , Slovak Republic
| | - Beáta Holečková
- a Department of Biology and Genetics , University of Veterinary Medicine and Pharmacy in Košice , Košice , Slovak Republic
| | - Ján Dianovský
- a Department of Biology and Genetics , University of Veterinary Medicine and Pharmacy in Košice , Košice , Slovak Republic
| | - Martina Galdíková
- a Department of Biology and Genetics , University of Veterinary Medicine and Pharmacy in Košice , Košice , Slovak Republic
| | - Viera Schwarzbacherová
- a Department of Biology and Genetics , University of Veterinary Medicine and Pharmacy in Košice , Košice , Slovak Republic
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Ma M, Chen C, Yang G, Li Y, Chen Z, Qian Y. Combined cytotoxic effects of pesticide mixtures present in the Chinese diet on human hepatocarcinoma cell line. CHEMOSPHERE 2016; 159:256-266. [PMID: 27300773 DOI: 10.1016/j.chemosphere.2016.05.050] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2015] [Revised: 04/11/2016] [Accepted: 05/17/2016] [Indexed: 06/06/2023]
Abstract
Consumers might be simultaneously exposed to several pesticide residues contained in their food. Based on the results of previous studies, 20 pesticides were selected due to their high exposure levels to which the Chinese population is likely exposed through the diet. The purpose of this study was to measure the cytotoxicity of these pesticides in HepG2 cells in vitro, as an alternative approach to assess the toxicity of chemicals. Then, the pesticides and some of the mixtures with comparatively high cell-proliferating inhibitory activities were selected to test the cellular ROS level and apoptosis-related protein Caspase-3/7 content in HepG2 cells. The combined effects of these pesticide mixtures with the prediction was based on a combination index (CI)-isobologram equation and the pesticide combinations exhibited various types of interactions (synergism, antagonism, and additivity). Two individuals, one binary combinations, and three uniform design (UD) mixtures of the pesticides were found to have significant cytotoxic effects, along with significant time- and dose-dependent induction of caspase-3/7 activity in vitro, indicating that cytotoxicity caused by these pesticides might be attributed to the pro-oxidative and apoptosis induced potential.
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Affiliation(s)
- Mengmeng Ma
- Key Laboratory of Agro-Product Quality and Safety of Ministry of Agriculture, Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Chen Chen
- Key Laboratory of Agro-Product Quality and Safety of Ministry of Agriculture, Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
| | - Guiling Yang
- Key Laboratory of Agro-Product Quality and Safety of Ministry of Agriculture, Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China; Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture, Institute of Quality and Standard for Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Yun Li
- Key Laboratory of Agro-Product Quality and Safety of Ministry of Agriculture, Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Zhijun Chen
- Key Laboratory of Agro-Product Quality and Safety of Ministry of Agriculture, Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yongzhong Qian
- Key Laboratory of Agro-Product Quality and Safety of Ministry of Agriculture, Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
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State of the art on public risk assessment of combined human exposure to multiple chemical contaminants. Trends Food Sci Technol 2016. [DOI: 10.1016/j.tifs.2016.06.011] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Houten SM, Chen J, Belpoggi F, Manservisi F, Sánchez-Guijo A, Wudy SA, Teitelbaum SL. Changes in the Metabolome in Response to Low-Dose Exposure to Environmental Chemicals Used in Personal Care Products during Different Windows of Susceptibility. PLoS One 2016; 11:e0159919. [PMID: 27467775 PMCID: PMC4965097 DOI: 10.1371/journal.pone.0159919] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 07/11/2016] [Indexed: 01/23/2023] Open
Abstract
The consequences of ubiquitous exposure to environmental chemicals remain poorly defined. Non-targeted metabolomic profiling is an emerging method to identify biomarkers of the physiological response to such exposures. We investigated the effect of three commonly used ingredients in personal care products, diethyl phthalate (DEP), methylparaben (MPB) and triclosan (TCS), on the blood metabolome of female Sprague-Dawley rats. Animals were treated with low levels of these chemicals comparable to human exposures during prepubertal and pubertal windows as well as chronically from birth to adulthood. Non-targeted metabolomic profiling revealed that most of the variation in the metabolites was associated with developmental stage. The low-dose exposure to DEP, MPB and TCS had a relatively small, but detectable impact on the metabolome. Multiple metabolites that were affected by chemical exposure belonged to the same biochemical pathways including phenol sulfonation and metabolism of pyruvate, lyso-plasmalogens, unsaturated fatty acids and serotonin. Changes in phenol sulfonation and pyruvate metabolism were most pronounced in rats exposed to DEP during the prepubertal period. Our metabolomics analysis demonstrates that human level exposure to personal care product ingredients has detectable effects on the rat metabolome. We highlight specific pathways such as sulfonation that warrant further study.
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Affiliation(s)
- Sander M. Houten
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
- Icahn Institute for Genomics and Multiscale Biology, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
- * E-mail:
| | - Jia Chen
- Department of Preventive Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
- Department of Medicine, Hematology, and Medical Oncology, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - Fiorella Belpoggi
- Cesare Maltoni Cancer Research Centre, Ramazzini Institute, Bentivoglio (Bologna), Italy
| | - Fabiana Manservisi
- Cesare Maltoni Cancer Research Centre, Ramazzini Institute, Bentivoglio (Bologna), Italy
| | - Alberto Sánchez-Guijo
- Steroid Research and Mass Spectrometry Unit, Division of Pediatric Endocrinology and Diabetology, Center of Child and Adolescent Medicine, Justus Liebig University, 35392, Giessen, Germany
| | - Stefan A. Wudy
- Steroid Research and Mass Spectrometry Unit, Division of Pediatric Endocrinology and Diabetology, Center of Child and Adolescent Medicine, Justus Liebig University, 35392, Giessen, Germany
| | - Susan L. Teitelbaum
- Department of Preventive Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
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Effects of pesticide mixtures in human and animal models: An update of the recent literature. Chem Biol Interact 2016; 254:231-46. [DOI: 10.1016/j.cbi.2016.06.003] [Citation(s) in RCA: 111] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Revised: 05/18/2016] [Accepted: 06/03/2016] [Indexed: 11/23/2022]
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31
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Engel E, Ratel J, Bouhlel J, Planche C, Meurillon M. Novel approaches to improving the chemical safety of the meat chain towards toxicants. Meat Sci 2015; 109:75-85. [DOI: 10.1016/j.meatsci.2015.05.016] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 05/12/2015] [Accepted: 05/15/2015] [Indexed: 02/07/2023]
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32
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High-content screening imaging and real-time cellular impedance monitoring for the assessment of chemical’s bio-activation with regards hepatotoxicity. Toxicol In Vitro 2015; 29:1916-31. [DOI: 10.1016/j.tiv.2015.07.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 06/29/2015] [Accepted: 07/30/2015] [Indexed: 02/07/2023]
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Dawson DA, Allen EMG, Allen JL, Baumann HJ, Bensinger HM, Genco N, Guinn D, Hull MW, Il'Giovine ZJ, Kaminski CM, Peyton JR, Schultz TW, Pöch G. Time-dependence in mixture toxicity prediction. Toxicology 2014; 326:153-63. [PMID: 25446331 DOI: 10.1016/j.tox.2014.10.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Revised: 10/26/2014] [Accepted: 10/28/2014] [Indexed: 01/24/2023]
Abstract
The value of time-dependent toxicity (TDT) data in predicting mixture toxicity was examined. Single chemical (A and B) and mixture (A+B) toxicity tests using Microtox(®) were conducted with inhibition of bioluminescence (Vibrio fischeri) being quantified after 15, 30 and 45-min of exposure. Single chemical and mixture tests for 25 sham (A1:A2) and 125 true (A:B) combinations had a minimum of seven duplicated concentrations with a duplicated control treatment for each test. Concentration/response (x/y) data were fitted to sigmoid curves using the five-parameter logistic minus one parameter (5PL-1P) function, from which slope, EC25, EC50, EC75, asymmetry, maximum effect, and r(2) values were obtained for each chemical and mixture at each exposure duration. Toxicity data were used to calculate percentage-based TDT values for each individual chemical and mixture of each combination. Predicted TDT values for each mixture were calculated by averaging the TDT values of the individual components and regressed against the observed TDT values obtained in testing, resulting in strong correlations for both sham (r(2)=0.989, n=25) and true mixtures (r(2)=0.944, n=125). Additionally, regression analyses confirmed that observed mixture TDT values calculated for the 50% effect level were somewhat better correlated with predicted mixture TDT values than at the 25 and 75% effect levels. Single chemical and mixture TDT values were classified into five levels in order to discern trends. The results suggested that the ability to predict mixture TDT by averaging the TDT of the single agents was modestly reduced when one agent of the combination had a positive TDT value and the other had a minimal or negative TDT value.
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Affiliation(s)
- Douglas A Dawson
- Department of Biology/Toxicology, Ashland University, Ashland, OH 44805, USA.
| | - Erin M G Allen
- Department of Biology/Toxicology, Ashland University, Ashland, OH 44805, USA
| | - Joshua L Allen
- Department of Biology/Toxicology, Ashland University, Ashland, OH 44805, USA
| | - Hannah J Baumann
- Department of Biology/Toxicology, Ashland University, Ashland, OH 44805, USA
| | - Heather M Bensinger
- Department of Biology/Toxicology, Ashland University, Ashland, OH 44805, USA
| | - Nicole Genco
- Department of Biology/Toxicology, Ashland University, Ashland, OH 44805, USA
| | - Daphne Guinn
- Department of Biology/Toxicology, Ashland University, Ashland, OH 44805, USA
| | - Michael W Hull
- Department of Biology/Toxicology, Ashland University, Ashland, OH 44805, USA
| | | | - Chelsea M Kaminski
- Department of Biology/Toxicology, Ashland University, Ashland, OH 44805, USA
| | - Jennifer R Peyton
- Department of Biology/Toxicology, Ashland University, Ashland, OH 44805, USA
| | - T Wayne Schultz
- Department of Comparative Medicine, College of Veterinary Medicine, The University of Tennessee, Knoxville, TN 37996, USA
| | - Gerald Pöch
- Department of Pharmacology and Toxicology, University of Graz, A-8010 Graz, Austria
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RETRACTED ARTICLE: A variety of pesticides trigger in vitro α-synuclein accumulation, a key event in Parkinson’s disease. Arch Toxicol 2014. [DOI: 10.1007/s00204-014-1388-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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36
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How dietary risk assessment can guide risk management and food monitoring programmes: The approach and results of the French Observatory on Pesticide Residues (ANSES/ORP). Food Control 2014. [DOI: 10.1016/j.foodcont.2013.12.025] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Peyre L, Rouimi P, de Sousa G, Héliès-Toussaint C, Carré B, Barcellini S, Chagnon MC, Rahmani R. Comparative study of bisphenol A and its analogue bisphenol S on human hepatic cells: a focus on their potential involvement in nonalcoholic fatty liver disease. Food Chem Toxicol 2014; 70:9-18. [PMID: 24793377 DOI: 10.1016/j.fct.2014.04.011] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Revised: 03/28/2014] [Accepted: 04/07/2014] [Indexed: 12/11/2022]
Abstract
For several decades, people have been in contact with bisphenol A (BPA) primarily through their diet. Nowadays it is gradually replaced by an analogue, bisphenol S (BPS). In this study, we compared the effects of these two bisphenols in parallel with the positive control diethylstilbestrol (DES) on different hepatocyte cell lines. Using a cellular impedance system we have shown that BPS is less cytotoxic than BPA in acute and chronic conditions. We have also demonstrated that, contrary to BPA, BPS is not able to induce an increase in intracellular lipid and does not activate the PXR receptor which is known to be involved in part, in this process. In parallel, it failed to modulate the expression of CYP3A4 and CYP2B6, the drug transporter ABCB1 and other lipid metabolism genes (FASN, PLIN). However, it appears to have a weak effect on GSTA4 protein expression and on the Erk1/2 pathway. In conclusion, in contrast to BPA, BPS does not appear to induce the metabolic syndrome that may lead to non-alcoholic fatty liver disease (NAFLD), in vitro. Although we have to pay special attention to BPS, its use could be less dangerous concerning this toxicological endpoint for human health.
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Affiliation(s)
- Ludovic Peyre
- UMR 1331 TOXALIM (Research Centre in Food Toxicology), Institut National de la Recherche Agronomique (INRA), Laboratory of Xenobiotic's Cellular and Molecular Toxicology, 400 route des Chappes, BP167, 06903 Sophia-Antipolis Cedex, France.
| | - Patrick Rouimi
- UMR 1331 TOXALIM (Research Centre in Food Toxicology), Institut National de la Recherche Agronomique (INRA), 180 chemin de Tournefeuille, 31027 Toulouse, France
| | - Georges de Sousa
- UMR 1331 TOXALIM (Research Centre in Food Toxicology), Institut National de la Recherche Agronomique (INRA), Laboratory of Xenobiotic's Cellular and Molecular Toxicology, 400 route des Chappes, BP167, 06903 Sophia-Antipolis Cedex, France
| | - Cécile Héliès-Toussaint
- UMR 1331 TOXALIM (Research Centre in Food Toxicology), Institut National de la Recherche Agronomique (INRA), 180 chemin de Tournefeuille, 31027 Toulouse, France
| | - Benjamin Carré
- UMR 1331 TOXALIM (Research Centre in Food Toxicology), Institut National de la Recherche Agronomique (INRA), 180 chemin de Tournefeuille, 31027 Toulouse, France
| | - Sylvie Barcellini
- Neomah, Research in Toxicology, INRA-Agrobiotech, 06903 Sophia-Antipolis, France
| | - Marie-Christine Chagnon
- Nutox Laboratory, Derttech "Packtox", INSERM UMR866, AgroSupDijon, bâtiment Epicure, 1 esplanade Erasme, 21000 Dijon, France
| | - Roger Rahmani
- UMR 1331 TOXALIM (Research Centre in Food Toxicology), Institut National de la Recherche Agronomique (INRA), Laboratory of Xenobiotic's Cellular and Molecular Toxicology, 400 route des Chappes, BP167, 06903 Sophia-Antipolis Cedex, France; UMR 1331 TOXALIM (Research Centre in Food Toxicology), Institut National de la Recherche Agronomique (INRA), 180 chemin de Tournefeuille, 31027 Toulouse, France.
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Arciello M, Gori M, Maggio R, Barbaro B, Tarocchi M, Galli A, Balsano C. Environmental pollution: a tangible risk for NAFLD pathogenesis. Int J Mol Sci 2013; 14:22052-66. [PMID: 24213605 PMCID: PMC3856051 DOI: 10.3390/ijms141122052] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Revised: 10/18/2013] [Accepted: 10/24/2013] [Indexed: 12/13/2022] Open
Abstract
The liver is crucial for human life, and the health of this organ often mirrors the health of the individual. The liver can be the target of several diseases, the most prevalent of which, as a consequence of development and changes in human lifestyles, is the nonalcoholic fatty liver disease (NAFLD). NAFLD is a multifactorial disease that embraces many histo-pathologic conditions and is highly linked to metabolic derangements. Technological progress and industrialization have also had the consequence of releasing pollutants in the environment, for instance pesticides or solvents, as well as by-products of discharge, such as the particulate matter. In the last decade, a growing body of evidence has emerged, shedding light on the potential impact of environmental pollutants on liver health and, in particular, on NAFLD occurrence. These contaminants have a great steatogenic potential and need to be considered as tangible NAFLD risk factors. There is an urgent need for a deeper comprehension of their molecular mechanisms of action, as well as for new lines of intervention to reduce their worldwide diffusion. This review wishes to sensitize the community to the effects of several environmental pollutants on liver health.
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Affiliation(s)
- Mario Arciello
- Francesco Balsano Foundation, via G.B. Martini 6, Rome 00198, Italy; E-Mails: (M.A.); (M.G.); (R.M.); (B.B.)
| | - Manuele Gori
- Francesco Balsano Foundation, via G.B. Martini 6, Rome 00198, Italy; E-Mails: (M.A.); (M.G.); (R.M.); (B.B.)
- Department of Clinical and Molecular Sciences, Polytechnic University of Marche, Via Tronto 10, Ancona 60020, Italy
| | - Roberta Maggio
- Francesco Balsano Foundation, via G.B. Martini 6, Rome 00198, Italy; E-Mails: (M.A.); (M.G.); (R.M.); (B.B.)
| | - Barbara Barbaro
- Francesco Balsano Foundation, via G.B. Martini 6, Rome 00198, Italy; E-Mails: (M.A.); (M.G.); (R.M.); (B.B.)
| | - Mirko Tarocchi
- Gastroenterology Unit, Department of Experimental and Clinical Biochemical Sciences, University of Florence, Viale Pieraccini 6, Florence 50139, Italy; E-Mails: (M.T.); (A.G.)
| | - Andrea Galli
- Gastroenterology Unit, Department of Experimental and Clinical Biochemical Sciences, University of Florence, Viale Pieraccini 6, Florence 50139, Italy; E-Mails: (M.T.); (A.G.)
| | - Clara Balsano
- Francesco Balsano Foundation, via G.B. Martini 6, Rome 00198, Italy; E-Mails: (M.A.); (M.G.); (R.M.); (B.B.)
- Institute of Molecular Biology and Pathology (IBPM)-National Research Council (CNR), Piazzale Aldo Moro 7, Rome 00185, Italy
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +39-06-4993-3094; Fax: +39-06-4991-0908
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Chan-Hon-Tong A, Charles MA, Forhan A, Heude B, Sirot V. Exposure to food contaminants during pregnancy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2013; 458-460:27-35. [PMID: 23639909 DOI: 10.1016/j.scitotenv.2013.03.100] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2012] [Revised: 03/29/2013] [Accepted: 03/29/2013] [Indexed: 06/02/2023]
Abstract
During pregnancy, the fetus is exposed to contaminants from its mother's diet. This work provides an assessment of the dietary exposure of pregnant women to inorganic contaminants (aluminum, mercury, lead, inorganic arsenic, cobalt), polychlorodibenzodioxins, polychlorodibenzofurans, dioxin-like and non-dioxin-like polychlorobiphenyls (DL-PCBs, NDL-PCBs), polybromodiphenyl ethers (PBDEs), perfluoroalkyl acids, mycotoxins (zearalenone, patulin, trichothecenes), and heat-generated compounds (acrylamide and polycyclic aromatic hydrocarbons). Consumption data of 2002 pregnant women aged 18 to 45 from the EDEN cohort study were combined with contamination data from the second French total diet study to assess the exposure before pregnancy (n=1861) and during the third trimester of pregnancy (n=1775). Exposure was also assessed considering the season during which the third trimester of pregnancy occurred. Significant changes in consumptions during pregnancy and between seasons were associated with differences in exposures for some substances. Some contaminant exposures appeared to be of health concern. Margins of exposure to acrylamide (635 to 1094 for mean), inorganic arsenic, lead, and BDE-99 (≤100) were too low to exclude all risks. For NDL-PCBs, T-2 and HT-2 toxins, and deoxynivalenol, significant exceedings of toxicological reference values were found before pregnancy, but there was no significant exceeding in the third trimester.
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Affiliation(s)
- Anne Chan-Hon-Tong
- ANSES (French Agency for Food, Environmental, and Occupational Health and Safety), 27 avenue du Général Leclerc, F-94701 Maisons-Alfort, France
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