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Xie R, Xu Y, Ma M, Wang Z. Fish Physiologically Based Toxicokinetic Modeling Approach for In Vitro-In Vivo and Cross-Species Extrapolation of Endocrine-Disrupting Chemicals in Risk Assessment. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:3677-3689. [PMID: 38354091 DOI: 10.1021/acs.est.3c08314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
High-throughput in vitro assays combined with in vitro-in vivo extrapolation (IVIVE) leverage in vitro responses to predict the corresponding in vivo exposures and thresholds of concern. The integrated approach is also expected to offer the potential for efficient tools to provide estimates of chemical toxicity to various wildlife species instead of animal testing. However, developing fish physiologically based toxicokinetic (PBTK) models for IVIVE in ecological applications is challenging, especially for plausible estimation of an internal effective dose, such as fish equivalent concentration (FEC). Here, a fish PBTK model linked with the IVIVE approach was established, with parameter optimization of chemical unbound fraction, pH-dependent ionization and hepatic clearance, and integration of temperature effect and growth dilution. The fish PBTK-IVIVE approach provides not only a more precise estimation of tissue-specific concentrations but also a reasonable approximation of FEC targeting the estrogenic potency of endocrine-disrupting chemicals. Both predictions were compared with in vivo data and were accurate for most indissociable/dissociable chemicals. Furthermore, the model can help determine cross-species variability and sensitivity among the five fish species. Using the available IVIVE-derived FEC with target pathways is helpful to develop predicted no-effect concentration for chemicals with similar mode of action and support screening-level ecological risk assessment.
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Affiliation(s)
- Ruili Xie
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yiping Xu
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Mei Ma
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zijian Wang
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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Ding J, He W, Sha W, Shan G, Zhu L, Zhu L, Feng J. Physiologically based toxicokinetic modelling of Tri(2-chloroethyl) phosphate (TCEP) in mice accounting for multiple exposure routes. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 271:115976. [PMID: 38232524 DOI: 10.1016/j.ecoenv.2024.115976] [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: 08/06/2023] [Revised: 12/24/2023] [Accepted: 01/11/2024] [Indexed: 01/19/2024]
Abstract
Exposure routes are important for health risk assessment of chemical risks. The application of physiologically based toxicokinetic (PBTK) models to predict concentrations in vivo can determine the effects of harmful substances and tissue accumulation on the premise of saving experimental costs. In this study, Tri(2-chloroethyl) phosphate (TCEP), an organophosphate ester (OPE), was used as an example to study the PBTK model of mice exposed to different exposure doses by multiple routes. Different routes of exposure (gavage and intradermal injection) can cause differences in the concentration of chemicals in the organs. TCEP that enters the body through the mouth is mainly concentrated in the gastrointestinal tract and liver. However, the concentrations of chemicals that enter the skin into the mice are higher in skin, rest of body, and blood. In addition, TCEP was absorbed and accumulated very rapidly in mice, within half an hour after a single exposure. We have successfully established a mouse PBTK model of the TCEP accounting for multiple exposure Routes and obtained a series of kinetic parameters. The model includes blood, liver, kidney, stomach, intestine, skin, and rest of body compartments. Oral and dermal exposure route was considered for PBTK model. The PBTK model established in this study has a good predictive ability. More than 70% of the predicted values deviated from the measured values by less than 5-fold. In addition, we extrapolated the model to humans. A human PBTK model is built. We performed a health risk assessment for world populations based on human PBTK model. The risk of TCEP in dust is greater through mouth than through skin. The risk of TCEP in food of Chinese population is greater than dust.
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Affiliation(s)
- Jiaqi Ding
- Key laboratory of Pollution process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Wanyu He
- Key laboratory of Pollution process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Wanxiao Sha
- Key laboratory of Pollution process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Guoqiang Shan
- Key laboratory of Pollution process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Lingyan Zhu
- Key laboratory of Pollution process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Lin Zhu
- Key laboratory of Pollution process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Jianfeng Feng
- Key laboratory of Pollution process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
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Yang Y, Su L, Huang Y, Zhang X, Li C, Wang J, Fan L, Wang S, Zhao YH. Bio-uptake, tissue distribution and metabolism of a neonicotinoid insecticide clothianidin in zebrafish. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 292:118317. [PMID: 34634407 DOI: 10.1016/j.envpol.2021.118317] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 10/05/2021] [Accepted: 10/06/2021] [Indexed: 06/13/2023]
Abstract
Neonicotinoids have been often detected in aquatic environment with high concentrations; however, little is known about their risk and fate to/in fish. This study systematically investigated the bio-uptake, tissue distribution and metabolism of neonicotinoids in zebrafish, taking clothianidin (CLO) as an example. The results revealed the uptake and elimination kinetics of CLO in whole fish and different tissues was very similar, and its bioconcentration factor (<1) indicates the low bioaccumulation potential in zebrafish. The highest accumulative tissues for CLO were found to be intestine and liver. Eight biotransformation products were identified in intestine and liver, and the metabolic pathways were found to be N-demethylation and nitro-reduction. The metabolic kinetics of two products (desmethyl clothianidin and clothianidin urea) revealed the metabolism of CLO mainly occurred in liver and intestine. This suggested that the hepatobiliary system played an important role in the metabolism and elimination of CLO. This study provides a comprehensive evaluation of the toxicokinetics of CLO in zebrafish, and these results can contribute to its ecological risk assessment.
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Affiliation(s)
- Yi Yang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Limin Su
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Ying Huang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Xiao Zhang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Chao Li
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China.
| | - Jia Wang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Lingyun Fan
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Shuo Wang
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
| | - Yuan H Zhao
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, School of Environment, Northeast Normal University, Changchun, Jilin, 130117, PR China
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Mangold-Döring A, Grimard C, Green D, Petersen S, Nichols JW, Hogan N, Weber L, Hollert H, Hecker M, Brinkmann M. A Novel Multispecies Toxicokinetic Modeling Approach in Support of Chemical Risk Assessment. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:9109-9118. [PMID: 34165962 PMCID: PMC9066611 DOI: 10.1021/acs.est.1c02055] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Standardized laboratory tests with a limited number of model species are a key component of chemical risk assessments. These surrogate species cannot represent the entire diversity of native species, but there are practical and ethical objections against testing chemicals in a large variety of species. In previous research, we have developed a multispecies toxicokinetic model to extrapolate chemical bioconcentration across species by combining single-species physiologically based toxicokinetic (PBTK) models. This "top-down" approach was limited, however, by the availability of fully parameterized single-species models. Here, we present a "bottom-up" multispecies PBTK model based on available data from 69 freshwater fishes found in Canada. Monte Carlo-like simulations were performed using statistical distributions of model parameters derived from these data to predict steady-state bioconcentration factors (BCFs) for a set of well-studied chemicals. The distributions of predicted BCFs for 1,4-dichlorobenzene and dichlorodiphenyltrichloroethane largely overlapped those of empirical data, although a tendency existed toward overestimation of measured values. When expressed as means, predicted BCFs for 26 of 34 chemicals (82%) deviated by less than 10-fold from measured data, indicating an accuracy similar to that of previously published single-species models. This new model potentially enables more environmentally relevant predictions of bioconcentration in support of chemical risk assessments.
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Affiliation(s)
- Annika Mangold-Döring
- Department for Ecosystem Analysis, Institute for Environmental Research (Biology V), Aachen Biology and Biotechnology (ABBt), RWTH Aachen University, Aachen, 52074, Germany
- Toxicology Centre, University of Saskatchewan, Saskatoon, S7N 5B3, Canada
| | - Chelsea Grimard
- Toxicology Centre, University of Saskatchewan, Saskatoon, S7N 5B3, Canada
| | - Derek Green
- Toxicology Centre, University of Saskatchewan, Saskatoon, S7N 5B3, Canada
| | - Stephanie Petersen
- Toxicology Centre, University of Saskatchewan, Saskatoon, S7N 5B3, Canada
| | - John W. Nichols
- US Environmental Protection Agency, Duluth, Minnesota, 55804, USA
| | - Natacha Hogan
- Toxicology Centre, University of Saskatchewan, Saskatoon, S7N 5B3, Canada
- Department of Animal and Poultry Science, College of Agriculture and Bioresources, University of Saskatchewan, Saskatoon, S7N 5A8, Canada
| | - Lynn Weber
- Toxicology Centre, University of Saskatchewan, Saskatoon, S7N 5B3, Canada
- Western College of Veterinary Medicine, Department of Veterinary Biomedical Sciences, University of Saskatchewan, Saskatoon, S7N 5B4, Canada
| | - Henner Hollert
- Department for Ecosystem Analysis, Institute for Environmental Research (Biology V), Aachen Biology and Biotechnology (ABBt), RWTH Aachen University, Aachen, 52074, Germany
- Department Evolutionary Ecology and Environmental Toxicology, Faculty Biological Sciences Goethe University Frankfurt, Frankfurt, 60438, Germany
| | - Markus Hecker
- Toxicology Centre, University of Saskatchewan, Saskatoon, S7N 5B3, Canada
- School of Environment and Sustainability, University of Saskatchewan, Saskatoon, S7N 5C8, Canada
| | - Markus Brinkmann
- Toxicology Centre, University of Saskatchewan, Saskatoon, S7N 5B3, Canada
- School of Environment and Sustainability, University of Saskatchewan, Saskatoon, S7N 5C8, Canada
- Global Institute for Water Security, University of Saskatchewan, Saskatoon, S7N 3H5, Canada
- Corresponding author: Dr. Markus Brinkmann, 44 Campus Drive, S7N 5B3 Canada, Phone: +1 (306) 966 1204,
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5
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Brinkmann M, Ouellet JD, Zennegg M, Buchinger S, Reifferscheid G, Hollert H. Combined sediment desorption and bioconcentration model to predict levels of dioxin-like chemicals in fish. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 758:143891. [PMID: 33338786 DOI: 10.1016/j.scitotenv.2020.143891] [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: 09/23/2020] [Revised: 11/17/2020] [Accepted: 11/18/2020] [Indexed: 06/12/2023]
Abstract
Flooding and other sediment disturbances can lead to increases in sediment resuspension. In this context, it is of central importance to understand the kinetics of release from these sediments and the uptake of pollutants, such as polychlorinated biphenyls (PCBs) and polychlorinated dioxins and furans (PCDD/Fs), into aquatic organisms. In the present study, we parameterized a sediment desorption model based on experimentally determined rapidly-desorbing fractions of dioxin-like chemicals (DLCs). We coupled this desorption model with a physiologically-based toxicokinetic model for rainbow trout. This combined model was used to predict DLC concentrations in the muscle of exposed fish. The performance of this model was evaluated using a previously published dataset on DLC uptake from sediment suspensions during simulated re-suspension events. Predictions generally differed less than 10-fold from measured values, and the model showed a good global coefficient of determination (R2) of 0.95. The root mean squared error (RMSE) for PCBs was 0.31 log units and 0.53 log units for PCDD/Fs. The results of our study demonstrate that the prediction of bioconcentration and related risk to fish resulting from sediment resuspension can be accurately predicted using coupled desorption and toxicokinetic models.
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Affiliation(s)
- Markus Brinkmann
- School of Environment and Sustainability, University of Saskatchewan, Saskatoon, Canada; Toxicology Centre, University of Saskatchewan, Saskatoon, Canada; Global Institute for Water Security, University of Saskatchewan, Saskatoon, Canada.
| | - Jacob D Ouellet
- Goethe University Frankfurt, Department of Evolutionary Ecology and Environmental Toxicology, Max-von-Laue-Str. 13, 60438 Frankfurt am Main, Germany
| | - Markus Zennegg
- Swiss Federal Institute for Materials Science and Technology, Laboratory for Advanced Analytical Technologies, Dübendorf, Switzerland
| | - Sebastian Buchinger
- Federal Institute of Hydrology, Department G3: Biochemistry and Ecotoxicology, Koblenz, Germany
| | - Georg Reifferscheid
- Federal Institute of Hydrology, Department G3: Biochemistry and Ecotoxicology, Koblenz, Germany
| | - Henner Hollert
- Goethe University Frankfurt, Department of Evolutionary Ecology and Environmental Toxicology, Max-von-Laue-Str. 13, 60438 Frankfurt am Main, Germany; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, China; Key Laboratory of Yangtze Water Environment, Ministry of Education, Tongji University, Shanghai, China.
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6
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Bourillon B, Acou A, Trancart T, Belpaire C, Covaci A, Bustamante P, Faliex E, Amilhat E, Malarvannan G, Virag L, Aarestrup K, Bervoets L, Boisneau C, Boulenger C, Gargan P, Becerra-Jurado G, Lobón-Cerviá J, Maes GE, Pedersen MI, Poole R, Sjöberg N, Wickström H, Walker A, Righton D, Feunteun É. Assessment of the quality of European silver eels and tentative approach to trace the origin of contaminants - A European overview. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 743:140675. [PMID: 32927526 DOI: 10.1016/j.scitotenv.2020.140675] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 06/29/2020] [Accepted: 06/30/2020] [Indexed: 06/11/2023]
Abstract
The European eel is critically endangered. Although the quality of silver eels is essential for their reproduction, little is known about the effects of multiple contaminants on the spawning migration and the European eel management plan does not take this into account. To address this knowledge gap, we sampled 482 silver eels from 12 catchments across Europe and developed methods to assess three aspects of eel quality: muscular lipid content (N = 169 eels), infection with Anguillicola crassus (N = 482), and contamination by persistent organic pollutants (POPs, N = 169) and trace elements (TEs, N = 75). We developed a standardized eel quality risks index (EQR) using these aspects for the subsample of 75 female eels. Among 169 eels, 33% seem to have enough muscular lipids content to reach the Sargasso Sea to reproduce. Among 482 silver eels, 93% were infected by A. crassus at least once during their lifetime. All contaminants were above the limit of quantification, except the 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE), Ag and V. The contamination by POPs was heterogeneous between catchments while TEs were relatively homogeneous, suggesting a multi-scale adaptation of management plans. The EQR revealed that eels from Warwickshire were most impacted by brominated flame-retardants and agricultural contaminants, those from Scheldt were most impacted by agricultural and construction activities, PCBs, coal burning, and land use, while Frémur eels were best characterized by lower lipid contents and high parasitic and BTBPE levels. There was a positive correlation between EQR and a human footprint index highlighting the capacity of silver eels for biomonitoring human activities and the potential impact on the suitability of the aquatic environment for eel population health. EQR therefore represents a step forward in the standardization and mapping of eel quality risks, which will help identify priorities and strategies for restocking freshwater ecosystems.
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Affiliation(s)
- Bastien Bourillon
- Laboratoire Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Muséum National d'Histoire Naturelle, CNRS FRE 2030, Sorbonne Université, IRD 207, Université de Caen Normandie, Université des Antilles, Centre de Recherche et d'Enseignement sur les Systèmes Côtiers, station de biologie marine de Dinard, 38 rue du Port Blanc, 35800 Dinard, France.
| | - Anthony Acou
- UMS 2006 Patrimoine Naturel (PatriNat, OFB/CNRS/MNHN), Centre de Recherche et d'Enseignement sur les Systèmes Côtiers, station de biologie marine de Dinard, 38 rue du Port Blanc, 35800 Dinard, France; OFB, Management of Diadromous Fish in their Environment OFB-INRAE-Agrocampus Ouest-UPPA, 65 rue de Saint Brieuc, 35042 Rennes Cedex, France
| | - Thomas Trancart
- Laboratoire Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Muséum National d'Histoire Naturelle, CNRS FRE 2030, Sorbonne Université, IRD 207, Université de Caen Normandie, Université des Antilles, Centre de Recherche et d'Enseignement sur les Systèmes Côtiers, station de biologie marine de Dinard, 38 rue du Port Blanc, 35800 Dinard, France
| | - Claude Belpaire
- Institute for Nature and Forest Research (INBO), Dwersbos 28, 1630 Linkebeek, Belgium
| | - Adrian Covaci
- Toxicological Center, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, B-2610 Wilrijk, Belgium
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS - Université de la Rochelle, 2 rue Olympe de Gouges, 17000 La Rochelle, France; Institut Universitaire de France (IUF), 1 rue Descartes, 75005 Paris, France
| | - Elisabeth Faliex
- Centre de Formation et de Recherche sur les Environnements Méditerranéens (Cefrem), UMR 5110 CNRS-Université de Perpignan Via Domitia, 52 Avenue Paul Alduy, F-66860 Perpignan Cedex, France
| | - Elsa Amilhat
- Centre de Formation et de Recherche sur les Environnements Méditerranéens (Cefrem), UMR 5110 CNRS-Université de Perpignan Via Domitia, 52 Avenue Paul Alduy, F-66860 Perpignan Cedex, France
| | - Govindan Malarvannan
- Toxicological Center, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, B-2610 Wilrijk, Belgium
| | - Laure Virag
- Laboratoire Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Muséum National d'Histoire Naturelle, CNRS FRE 2030, Sorbonne Université, IRD 207, Université de Caen Normandie, Université des Antilles, Centre de Recherche et d'Enseignement sur les Systèmes Côtiers, station de biologie marine de Dinard, 38 rue du Port Blanc, 35800 Dinard, France
| | - Kim Aarestrup
- DTU AQUA, National Institute of Aquatic Resources, Section for Freshwater Fisheries Ecology, Technical University of Denmark, Vejlsøvej 39, 8600 Silkeborg, Denmark
| | - Lieven Bervoets
- University of Antwerp, Systemic Physiological and Ecotoxicological Research group (SPHERE), Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - Catherine Boisneau
- UMR 7324 CItés, TERitoires, Environnement et Sociétés (CITERES, CNRS, Université de Tours), 33 Allée Ferdinand de Lesseps, 37200 Tours, France
| | - Clarisse Boulenger
- OFB, Management of Diadromous Fish in their Environment OFB-INRAE-Agrocampus Ouest-UPPA, 65 rue de Saint Brieuc, 35042 Rennes Cedex, France; INRAE, UMR 985, INRA-Agrocampus, Ecologie et Santé des Ecosystèmes, Rennes Cedex, France
| | - Paddy Gargan
- Inland Fisheries Ireland, 3044 Lake Drive, Citywest Business Campus, Dublin 24, Ireland
| | - Gustavo Becerra-Jurado
- Inland Fisheries Ireland, 3044 Lake Drive, Citywest Business Campus, Dublin 24, Ireland; Institute for European Environmental Policy, Department of Biodiversity and Ecosystem Services, Rue Joseph II 36-38, 1000 Brussels, Belgium
| | - Javier Lobón-Cerviá
- Department of evolutionary Ecology, National Museum of Natural Science (CSIC), C/. Jose Gutiérrez Abascal 2, Madrid 28006, Spain
| | - Gregory E Maes
- Aquaculture, Department of Biosystems, KU Leuven, 3001 Leuven, Belgium; Center for Human Genetics, UZ Leuven - Genomics Core, KU Leuven, Leuven 3000, Belgium; Centre for Sustainable Tropical Fisheries and Aquaculture, College of Science and Engineering, James Cook University, Townsville, Qld 4811, Australia
| | - Michael Ingemann Pedersen
- DTU AQUA, National Institute of Aquatic Resources, Section for Freshwater Fisheries Ecology, Technical University of Denmark, Vejlsøvej 39, 8600 Silkeborg, Denmark
| | - Russell Poole
- Marine Institute, Fisheries Ecosystems Advisory Services, Newport, Co. Mayo, Ireland
| | - Niklas Sjöberg
- Swedish University of Agricultural Sciences, Department of Aquatic Resources, Institute of Freshwater Research, Stångholmsvägen 2, SE-178 93 Drottningholm, Sweden
| | - Håkan Wickström
- Swedish University of Agricultural Sciences, Department of Aquatic Resources, Institute of Freshwater Research, Stångholmsvägen 2, SE-178 93 Drottningholm, Sweden
| | - Alan Walker
- Centre for Environment Fisheries and Aquaculture Science, Pakefield Road, Lowestoft, Suffolk NR33 0HT, England, United Kingdom
| | - David Righton
- Centre for Environment Fisheries and Aquaculture Science, Pakefield Road, Lowestoft, Suffolk NR33 0HT, England, United Kingdom
| | - Éric Feunteun
- Laboratoire Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Muséum National d'Histoire Naturelle, CNRS FRE 2030, Sorbonne Université, IRD 207, Université de Caen Normandie, Université des Antilles, Centre de Recherche et d'Enseignement sur les Systèmes Côtiers, station de biologie marine de Dinard, 38 rue du Port Blanc, 35800 Dinard, France
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7
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Vidal A, Babut M, Garric J, Beaudouin R. Temperature effect on perfluorooctane sulfonate toxicokinetics in rainbow trout (Oncorhynchus mykiss): Exploration via a physiologically based toxicokinetic model. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 225:105545. [PMID: 32569995 DOI: 10.1016/j.aquatox.2020.105545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 05/14/2020] [Accepted: 06/07/2020] [Indexed: 05/21/2023]
Abstract
Salmonids are poikilotherms, which means that their internal temperature varies with that of water. Water temperature thus controls many of their lifecycle processes and physiological functions, which could influence the mechanisms of absorption, distribution, metabolism and excretion (ADME) of many substances, including perfluorinated alkyl acids (PFAAs). However, the processes governing the fate of PFAAs are still poorly understood in fish. Here we developed a physiologically-based toxicokinetic (PBTK) model for rainbow trout (Oncorhynchus mykiss) to study changes in physiological functions and PFAA ADME at different temperatures. The model was calibrated using experimental data from dietary exposure to perfluorooctane sulfonate at 7 °C and 19 °C. Predictions of PFOS concentrations were globally satisfactory at both temperatures, when accounting for the influence of temperature on growth, ventilation rate, cardiac output, clearances, and absorption rates. Accounting for the influence of temperature on tissue-plasma partition coefficients significantly improved predicted in-organ PFOS concentrations.
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Affiliation(s)
- Alice Vidal
- INRAE, RIVERLY, 5 Avenue de la Doua, CS20244, 69625 Villeurbanne Cedex, France
| | - Marc Babut
- INRAE, RIVERLY, 5 Avenue de la Doua, CS20244, 69625 Villeurbanne Cedex, France
| | - Jeanne Garric
- INRAE, RIVERLY, 5 Avenue de la Doua, CS20244, 69625 Villeurbanne Cedex, France
| | - Rémy Beaudouin
- UMR-I 02 SEBIO, Models for Ecotoxicology and Toxicology Unit (METO), INERIS, 60550 Verneuil en Halatte, France.
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8
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Gao Y, Zhang Y, Feng J, Zhu L. Toxicokinetic-toxicodynamic modeling of cadmium and lead toxicity to larvae and adult zebrafish. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 251:221-229. [PMID: 31082606 DOI: 10.1016/j.envpol.2019.05.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 04/24/2019] [Accepted: 05/01/2019] [Indexed: 06/09/2023]
Abstract
Toxicity of hazard materials to organism is different between larvae and adult zebrafish. However, this different effect was seldom considered in toxicological modeling. Here, we measured Cd and Pb toxicity for larvae and adult zebrafish (Danio rerio) and assessed whether metal toxicity can be better simulated by the one-compartment or two-compartment toxicokinetic (TK) and toxicodynamic (TD) models with assumption of stochastic death (SD) and individual tolerance (IT), respectively. Results showed that, for larvae, the one-compartment model generally fitted the observed accumulation and survival better than two-compartment model. In contrast, for adult, the two-compartment model simulation satisfied the observed accumulation and survival better than one-compartment model. In addition, both the SD and the IT models generally described the Cd or Pb toxicity well, although the IT model predictions were slightly better than the SD model in adult fish, the opposite phenomenon was observed in larvae. Our results suggested that variations in both TK and TD parameters might be needed to quantify the toxicity sensitivity in larvae and adult zebrafish, and accounting these variations in mechanistic toxicological effect models (e.g. TK-TD) will allow more accurate predictions of hazard materials effects to organisms.
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Affiliation(s)
- Yongfei Gao
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Yan Zhang
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Jianfeng Feng
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
| | - Lin Zhu
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education and Tianjin Key Laboratory of Environmental Technology for Complex Trans-Media Pollution, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
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9
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Zhang Y, Feng J, Gao Y, Liu X, Qu L, Zhu L. Physiologically based toxicokinetic and toxicodynamic (PBTK-TD) modelling of Cd and Pb exposure in adult zebrafish Danio rerio: Accumulation and toxicity. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 249:959-968. [PMID: 30965548 DOI: 10.1016/j.envpol.2019.03.115] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 03/27/2019] [Accepted: 03/27/2019] [Indexed: 06/09/2023]
Abstract
Accurately predicting the accumulation and toxicity of metals in organisms is a challenging work in ecotoxicology. Here, we developed and validated a physiologically based toxicokinetic and toxicodynamic (PBTK-TD) model for adult zebrafish exposed to Cd and Pb. The model included the gill, liver, intestine, gonad, carcass, and brain, which were linked by blood circulation in the PBTK process and by dynamic relationships between the target organ concentrations and mortality in the TD process. Results showed that the PBTK sub-model can accurately describe and predict the uptake, distribution and disposition kinetics of Cd and Pb in zebrafish. The exchange rates and the accumulation of the metals in the organs were significantly different. For Cd, the highest exchange rate was between blood and liver, and the greatest accumulation of Cd occurred in the liver. For Pb, the greatest accumulation occurred in the gill. The TD sub-model further indicated that metal concentrations in the gill may effectively act as more suitable indicator of Cd and Pb toxic effect than whole body or other organs. The proposed PBTK-TD model is helpful to understanding the fundamental processes by which zebrafish regulate the uptake and disposition of metal and to quantitatively predicting metal toxicity.
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Affiliation(s)
- Yan Zhang
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Jianfeng Feng
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China.
| | - Yongfei Gao
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
| | - Xinyong Liu
- Construction and Administration Bureau of South-to-North Water Diversion Middle Route Project, Tianjin 300380, China
| | - Liang Qu
- Construction and Administration Bureau of South-to-North Water Diversion Middle Route Project, Tianjin 300380, China
| | - Lin Zhu
- Key Laboratory of Pollution Process and Environmental Criteria of Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China
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10
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Grech A, Tebby C, Brochot C, Bois FY, Bado-Nilles A, Dorne JL, Quignot N, Beaudouin R. Generic physiologically-based toxicokinetic modelling for fish: Integration of environmental factors and species variability. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 651:516-531. [PMID: 30243171 DOI: 10.1016/j.scitotenv.2018.09.163] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 09/12/2018] [Accepted: 09/12/2018] [Indexed: 05/21/2023]
Abstract
One of the goals of environmental risk assessment is to protect the whole ecosystem from adverse effects resulting from exposure to chemicals. Many research efforts have aimed to improve the quantification of dose-response relationships through the integration of toxicokinetics. For this purpose, physiologically-based toxicokinetic (PBTK) models have been developed to estimate internal doses from external doses in a time-dependent manner. In this study, a generic PBTK model was developed and adapted for rainbow trout (Onchorhynchus mykiss), zebrafish (Danio rerio), fathead minnow (Pimephales promelas), and three-spined stickleback (Gasterosteus aculeatus). New mechanistic approaches were proposed for including the effects of growth and temperature in the model. Physiological parameters and their inter-individual variability were estimated based on the results of extensive literature searches or specific experimental data. The PBTK model was implemented for nine environmental contaminants (with log kow from -0.9 to 6.8) to predict whole-body concentrations and concentrations in various fish's organs. Sensitivity analyses were performed for a lipophilic and a hydrophilic compound to identify which parameters have most impact on the model's outputs. Model predictions were compared with experimental data according to dataset-specific exposure scenarios and were accurate: 50% of predictions were within a 3-fold factor for six out of nine chemicals and 75% of predictions were within a 3-fold factor for three of the most lipophilic compounds studied. Our model can be used to assess the influence of physiological and environmental factors on the toxicokinetics of chemicals and provide guidance for assessing the effect of those critical factors in environmental risk assessment.
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Affiliation(s)
- Audrey Grech
- Institut National de l'Environnement Industriel et des Risques (INERIS), Models for Ecotoxicology and Toxicology Unit, Parc ALATA, BP2, 60550 Verneuil-en-Halatte, France; Analytica Laser, 3 rue de l'arrivée, 75015 Paris, France; Institut National de l'Environnement Industriel et des Risques (INERIS), UMR-I 02 SEBIO, Parc ALATA, BP2, 60550 Verneuil-en-Halatte, France
| | - Cleo Tebby
- Institut National de l'Environnement Industriel et des Risques (INERIS), Models for Ecotoxicology and Toxicology Unit, Parc ALATA, BP2, 60550 Verneuil-en-Halatte, France
| | - Céline Brochot
- Institut National de l'Environnement Industriel et des Risques (INERIS), Models for Ecotoxicology and Toxicology Unit, Parc ALATA, BP2, 60550 Verneuil-en-Halatte, France
| | - Frédéric Y Bois
- Institut National de l'Environnement Industriel et des Risques (INERIS), Models for Ecotoxicology and Toxicology Unit, Parc ALATA, BP2, 60550 Verneuil-en-Halatte, France
| | - Anne Bado-Nilles
- Institut National de l'Environnement Industriel et des Risques (INERIS), UMR-I 02 SEBIO, Parc ALATA, BP2, 60550 Verneuil-en-Halatte, France
| | - Jean-Lou Dorne
- European Food Safety Authority (EFSA), Scientific Committee and Emerging Risks Unit, Via Carlo Magno 1A, 43126 Parma, Italy
| | - Nadia Quignot
- Analytica Laser, 3 rue de l'arrivée, 75015 Paris, France
| | - Rémy Beaudouin
- Institut National de l'Environnement Industriel et des Risques (INERIS), Models for Ecotoxicology and Toxicology Unit, Parc ALATA, BP2, 60550 Verneuil-en-Halatte, France; Institut National de l'Environnement Industriel et des Risques (INERIS), UMR-I 02 SEBIO, Parc ALATA, BP2, 60550 Verneuil-en-Halatte, France.
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11
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Stadnicka-Michalak J, Weiss FT, Fischer M, Tanneberger K, Schirmer K. Biotransformation of Benzo[ a]pyrene by Three Rainbow Trout ( Onchorhynchus mykiss) Cell Lines and Extrapolation To Derive a Fish Bioconcentration Factor. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:3091-3100. [PMID: 29400055 DOI: 10.1021/acs.est.7b04548] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Permanent fish cell lines constitute a promising complement or substitute for fish in the environmental risk assessment of chemicals. We demonstrate the potential of a set of cell lines originating from rainbow trout ( Oncorhynchus mykiss) to aid in the prediction of chemical bioaccumulation in fish, using benzo[ a]pyrene (BaP) as a model chemical. We selected three cell lines from different tissues to more fully account for whole-body biotransformation in vivo: the RTL-W1 cell line, representing the liver as major site of biotransformation, and the RTgill-W1 (gill) and RTgutGC (intestine) cell lines, as important environment-organism interfaces, which likely influence chemical uptake. All three cell lines were found to effectively biotransform BaP. However, rates of in vitro clearance differed, with the RTL-W1 cell line being most efficient, followed by RTgutGC. Co-exposures with α-naphthoflavone as potent inhibitor of biotransformation, assessment of CYP1A catalytic activity, and the progression of cellular toxicity upon prolonged BaP exposure revealed that BaP is handled differently in the RTgill-W1 compared to the other two cell lines. Application of the cell-line-derived in vitro clearance rates into a physiology-based toxicokinetic model predicted a BaP bioconcentration factor (BCF) of 909-1057 compared to 920 reported for rainbow trout in vivo.
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Affiliation(s)
- Julita Stadnicka-Michalak
- Eawag , Überlandstrasse 133 , 8600 Dübendorf , Switzerland
- School of Architecture, Civil and Environmental Engineering , EPF Lausanne , 1015 Lausanne , Switzerland
| | - Frederik T Weiss
- Eawag , Überlandstrasse 133 , 8600 Dübendorf , Switzerland
- Institute of Biogeochemistry and Pollutant Dynamics , ETH Zürich , 8092 Zürich , Switzerland
| | | | - Katrin Tanneberger
- Eawag , Überlandstrasse 133 , 8600 Dübendorf , Switzerland
- Ecosens AG, 8304 Wallisellen , Switzerland
| | - Kristin Schirmer
- Eawag , Überlandstrasse 133 , 8600 Dübendorf , Switzerland
- School of Architecture, Civil and Environmental Engineering , EPF Lausanne , 1015 Lausanne , Switzerland
- Institute of Biogeochemistry and Pollutant Dynamics , ETH Zürich , 8092 Zürich , Switzerland
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12
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Grech A, Brochot C, Dorne JL, Quignot N, Bois FY, Beaudouin R. Toxicokinetic models and related tools in environmental risk assessment of chemicals. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 578:1-15. [PMID: 27842969 DOI: 10.1016/j.scitotenv.2016.10.146] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Revised: 10/18/2016] [Accepted: 10/19/2016] [Indexed: 05/21/2023]
Abstract
Environmental risk assessment of chemicals for the protection of ecosystems integrity is a key regulatory and scientific research field which is undergoing constant development in modelling approaches and harmonisation with human risk assessment. This review focuses on state-of-the-art toxicokinetic tools and models that have been applied to terrestrial and aquatic species relevant to environmental risk assessment of chemicals. Both empirical and mechanistic toxicokinetic models are discussed using the results of extensive literature searches together with tools and software for their calibration and an overview of applications in environmental risk assessment. These include simple tools such as one-compartment models, multi-compartment models to physiologically-based toxicokinetic (PBTK) models, mostly available for aquatic species such as fish species and a number of chemical classes including plant protection products, metals, persistent organic pollutants, nanoparticles. Data gaps and further research needs are highlighted.
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Affiliation(s)
- Audrey Grech
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Modèles pour l'Ecotoxicologie et la Toxicologie (METO), Parc ALATA BP2, 60550 Verneuil en Halatte, France; LASER, Strategy and Decision Analytics, 10 place de Catalogne, 75014 Paris, France
| | - Céline Brochot
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Modèles pour l'Ecotoxicologie et la Toxicologie (METO), Parc ALATA BP2, 60550 Verneuil en Halatte, France
| | - Jean-Lou Dorne
- European Food Safety Authority, Scientific Committee and Emerging Risks Unit, Via Carlo Magno 1A, 43126 Parma, Italy
| | - Nadia Quignot
- LASER, Strategy and Decision Analytics, 10 place de Catalogne, 75014 Paris, France
| | - Frédéric Y Bois
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Modèles pour l'Ecotoxicologie et la Toxicologie (METO), Parc ALATA BP2, 60550 Verneuil en Halatte, France
| | - Rémy Beaudouin
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité Modèles pour l'Ecotoxicologie et la Toxicologie (METO), Parc ALATA BP2, 60550 Verneuil en Halatte, France.
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13
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Sühring R, Ortiz X, Pena-Abaurrea M, Jobst KJ, Freese M, Pohlmann JD, Marohn L, Ebinghaus R, Backus S, Hanel R, Reiner EJ. Evidence for High Concentrations and Maternal Transfer of Substituted Diphenylamines in European Eels Analyzed by Two-Dimensional Gas Chromatography-Time-of-Flight Mass Spectrometry and Gas Chromatography-Fourier Transform Ion Cyclotron Resonance Mass Spectrometry. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:12678-12685. [PMID: 27791360 DOI: 10.1021/acs.est.6b04382] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Chemical pollution is hypothesized to be one of the factors driving the strong decline of the critically endangered European eel population. Specifically, the impact of contaminants on the quality of spawning eels and subsequent embryo survival and development has been discussed as crucial investigation point. However, so far, only very limited information on potential negative effects of contaminants on the reproduction of eels is available. Through the combination of nontargeted ultrahigh-resolution mass spectrometry and multidimensional gas chromatography, combined with more-conventional targeted analytical approaches and multimedia mass-balance modeling, compounds of particular relevance, and their maternal transfer in artificially matured European eels from the German river Ems have been identified. Substituted diphenylamines were, unexpectedly, found to be the primary organic contaminants in the eel samples, with concentrations in the μg g-1 wet weight range. Furthermore, it could be shown that these contaminants, as well as polychlorinated biphenyls (PCBs), organochlorine pesticides, and polyaromatic hydrocarbons (PAHs), are not merely stored in lipid rich tissue of eels but maternally transferred into gonads and eggs. The results of this study provide unique information on both the fate and behavior of substituted diphenylamines in the environment as well as their relevance as contaminants in European eels.
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Affiliation(s)
- Roxana Sühring
- Helmholtz-Zentrum Geesthacht, Centre for Materials and Coastal Research , Max-Planck-Strasse 1, 21502 Geesthacht, Germany
- Centre for Environment, Fisheries and Aquaculture Science (Cefas) , Lowestoft, Suffolk, NR33 0HT United Kingdom
| | - Xavier Ortiz
- Ontario Ministry of the Environment and Climate Change , 125 Resources Road, Toronto, Ontario M9P 3 V6, Canada
| | - Miren Pena-Abaurrea
- Ontario Ministry of the Environment and Climate Change , 125 Resources Road, Toronto, Ontario M9P 3 V6, Canada
| | - Karl J Jobst
- Ontario Ministry of the Environment and Climate Change , 125 Resources Road, Toronto, Ontario M9P 3 V6, Canada
| | - Marko Freese
- Thünen Institute of Fisheries Ecology , Palmaille 9, 22767 Hamburg, Germany
| | - Jan-Dag Pohlmann
- Thünen Institute of Fisheries Ecology , Palmaille 9, 22767 Hamburg, Germany
| | - Lasse Marohn
- Thünen Institute of Fisheries Ecology , Palmaille 9, 22767 Hamburg, Germany
| | - Ralf Ebinghaus
- Helmholtz-Zentrum Geesthacht, Centre for Materials and Coastal Research , Max-Planck-Strasse 1, 21502 Geesthacht, Germany
| | - Sean Backus
- Canada Centre for Inland Waters, Environment Canada , 867 Lakeshore Road, Burlington, Ontario L7R 4A6, Canada
| | - Reinhold Hanel
- Thünen Institute of Fisheries Ecology , Palmaille 9, 22767 Hamburg, Germany
| | - Eric J Reiner
- Ontario Ministry of the Environment and Climate Change , 125 Resources Road, Toronto, Ontario M9P 3 V6, Canada
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14
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Michel N, Freese M, Brinkmann M, Pohlmann JD, Hollert H, Kammann U, Haarich M, Theobald N, Gerwinski W, Rotard W, Hanel R. Fipronil and two of its transformation products in water and European eel from the river Elbe. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 568:171-179. [PMID: 27289396 DOI: 10.1016/j.scitotenv.2016.05.210] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Revised: 05/29/2016] [Accepted: 05/30/2016] [Indexed: 06/06/2023]
Abstract
Fipronil is an insecticide which, based on its mode of action, is intended to be predominantly toxic towards insects. Fipronil bioaccumulates and some of its transformation products were reported to be similar or even more stable in the environment and to show an enhanced toxicity against non-target organisms compared to the parent compound. The current study investigated the occurrence of Fipronil and two of its transformation products, Fipronil-desulfinyl and Fipronil-sulfone, in water as well as muscle and liver samples of eels from the river Elbe (Germany). In water samples total concentrations of FIP, FIP-d and FIP-s ranged between 0.5-1.6ngL(-1) with FIP being the main component in all water samples followed by FIP-s and FIP-d. In contrast, FIP-s was the main component in muscle and liver tissues of eels with concentrations of 4.05±3.73ngg(-1) ww and 19.91±9.96ngg(-1) ww, respectively. Using a physiologically based toxicokinetic (PBTK) model for moderately hydrophobic organic chemicals, the different distributions of FIP, FIP-d and FIP-s in water and related tissue samples could be attributed to metabolic processes of eels. The measured concentrations in water of all analytes and their fractional distribution did not reflect the assumed seasonal application of FIP and it seems that the water was constantly contaminated with FIP, FIP-d and FIP-s.
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Affiliation(s)
- N Michel
- Thünen-Institute, Institute of Fisheries Ecology, Palmaille 9, 22767 Hamburg, Germany; Federal Maritime and Hydrographic Agency-Laboratory, Wüstland 2, 22589 Hamburg, Germany; TU Berlin, Department of Environmental Technology, Institute for Environmental Chemistry, Fasanenstr. 1a, 10623 Berlin, Germany.
| | - M Freese
- Thünen-Institute, Institute of Fisheries Ecology, Palmaille 9, 22767 Hamburg, Germany
| | - M Brinkmann
- RWTH Aachen University, Department of Ecosystem Analysis, Institute for Environmental Research, Worringerweg 1, 52074 Aachen, Germany
| | - J-D Pohlmann
- Thünen-Institute, Institute of Fisheries Ecology, Palmaille 9, 22767 Hamburg, Germany
| | - H Hollert
- RWTH Aachen University, Department of Ecosystem Analysis, Institute for Environmental Research, Worringerweg 1, 52074 Aachen, Germany
| | - U Kammann
- Thünen-Institute, Institute of Fisheries Ecology, Palmaille 9, 22767 Hamburg, Germany
| | - M Haarich
- Thünen-Institute, Institute of Fisheries Ecology, Palmaille 9, 22767 Hamburg, Germany
| | - N Theobald
- Federal Maritime and Hydrographic Agency-Laboratory, Wüstland 2, 22589 Hamburg, Germany
| | - W Gerwinski
- Federal Maritime and Hydrographic Agency-Laboratory, Wüstland 2, 22589 Hamburg, Germany
| | - W Rotard
- TU Berlin, Department of Environmental Technology, Institute for Environmental Chemistry, Fasanenstr. 1a, 10623 Berlin, Germany
| | - R Hanel
- Thünen-Institute, Institute of Fisheries Ecology, Palmaille 9, 22767 Hamburg, Germany
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15
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Bonnineau C, Scaion D, Lemaire B, Belpaire C, Thomé JP, Thonon M, Leermaker M, Gao Y, Debier C, Silvestre F, Kestemont P, Rees JF. Accumulation of neurotoxic organochlorines and trace elements in brain of female European eel (Anguilla anguilla). ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2016; 45:346-355. [PMID: 27376663 DOI: 10.1016/j.etap.2016.06.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 06/04/2016] [Accepted: 06/07/2016] [Indexed: 06/06/2023]
Abstract
Xenobiotics such as organochlorine compounds (OCs) and metals have been suggested to play a significant role in the collapse of European eel stocks in the last decades. Several of these pollutants could affect functioning of the nervous system. Still, no information is so far available on levels of potentially neurotoxic pollutants in eel brain. In present study, carried out on female eels caught in Belgian rivers and canals, we analyzed brain levels of potentially-neurotoxic trace elements (Ag, Al, As, Cd, Co, Cr, Cu, Fe, Hg, MeHg, Mn, Ni, Pb, Sn, Sb, Zn) and OCs (Polychlorinated biphenyls, PCBs; Hexachlorocyclohexanes, HCHs; Dichlorodiphenyltrichloroethane and its metabolites, DDTs). Data were compared to levels in liver and muscle tissues. Eel brain contained very high amounts of OCs, superior to those found in the two other tissues. Interestingly, the relative abundance of PCB congeners markedly differed between tissues. In brain, a predominance of low chlorinated PCBs was noted, whereas highly chlorinated congeners prevailed in muscle and liver. HCHs were particularly abundant in brain, which contains the highest amounts of β-HCH and ϒ-HCH. p,p'-DDTs concentration was similar between brain and muscle (i.e., about twice that of liver). A higher proportion of p,p'-DDT was noticed in brain. Except for Cr and inorganic Hg, all potentially neurotoxic metals accumulated in brain to levels equal to or lower than hepatic levels. Altogether, results indicate that eel brain is an important target for organic and, to a lesser extent, for inorganic neurotoxic pollutants.
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Affiliation(s)
- C Bonnineau
- Université catholique de Louvain, Institut des Sciences de la Vie, Croix du Sud, 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - D Scaion
- Université catholique de Louvain, Institut des Sciences de la Vie, Croix du Sud, 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - B Lemaire
- Université catholique de Louvain, Institut des Sciences de la Vie, Croix du Sud, 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - C Belpaire
- Research Institute for Nature and Forest (INBO), Duboislaan 14, 1560 Hoeilaart, Belgium
| | - J-P Thomé
- Laboratoire d'Ecologie animale et d'Ecotoxicologie, Institut de Zoologie, Université de Liège, Quai Van Beneden 22, 4020 Liège, Belgium
| | - M Thonon
- Laboratoire d'Ecologie animale et d'Ecotoxicologie, Institut de Zoologie, Université de Liège, Quai Van Beneden 22, 4020 Liège, Belgium
| | - M Leermaker
- Analytical and Environmental Chemistry, Department of Chemistry, Faculty of Science, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Elsene, Belgium
| | - Y Gao
- Analytical and Environmental Chemistry, Department of Chemistry, Faculty of Science, Vrije Universiteit Brussel, Pleinlaan 2, 1050 Elsene, Belgium
| | - C Debier
- Université catholique de Louvain, Institut des Sciences de la Vie, Croix du Sud, 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium
| | - F Silvestre
- Unité de Recherche en Biologie Environnementale et Evolutive (URBE), Université de Namur, Rue de Bruxelles 61, B-5000, Namur, Belgium
| | - P Kestemont
- Unité de Recherche en Biologie Environnementale et Evolutive (URBE), Université de Namur, Rue de Bruxelles 61, B-5000, Namur, Belgium
| | - J-F Rees
- Université catholique de Louvain, Institut des Sciences de la Vie, Croix du Sud, 2/L7.05.08, B-1348 Louvain-la-Neuve, Belgium.
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16
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Förstner U, Hollert H, Brinkmann M, Eichbaum K, Weber R, Salomons W. Dioxin in the Elbe river basin: policy and science under the water framework directive 2000-2015 and toward 2021. ENVIRONMENTAL SCIENCES EUROPE 2016; 28:9. [PMID: 27752444 PMCID: PMC5044960 DOI: 10.1186/s12302-016-0075-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 02/17/2016] [Indexed: 05/30/2023]
Abstract
A critical review of the last 25 years of dioxin policy in the Elbe river catchment is presented along seven main theses of the River Basin Community (RBC)-Elbe background document "Pollutants" for the Management Plan 2016-2021. In this period, polychlorinated dibenzodioxins/-furans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (dl-PCBs) will play a major role: (i) as new priority substances for which environmental quality standards (EQSs) need to be derived (Directive 2013/39/EC); (ii) in the search for innovative solutions in sediment remediation (i.e., respecting the influence of mechanical processes; Flood Risk Directive 2007/60/EC); and (iii) as indicators at the land-sea interface (Marine Strategy Framework Directive 2008/56/EC). In the Elbe river catchment, aspects of policy and science are closely connected, which became particularly obvious in a classic example of dioxin hot spot contamination, the case of the Spittelwasser creek. Here, the "source-first principle" of the first cycle of the European Water Framework Directive (WFD) had to be confirmed in a controversy on the dioxin hot spots with Saxony-Anhalt's Agency for Contaminated Sites (LAF). At the Spittelwasser site, the move from "inside the creek" to "along the river banks" goes parallel to a general paradigm shift in retrospective risk assessment frameworks and remediation techniques for organic chemicals (Ortega-Calvo et al. 2015). With respect to dioxin, large-scale stabilization applying activated carbon additions is particularly promising. Another important aspect is the assessment of the ecotoxicology of dioxins and dl- PCBs in context of sediment mobility and flood risk assessment, which has been studied in the project framework FloodSearch. Currently, the quality goals of the WFD to reach a "good chemical status" are not met in many catchment areas because substances such as mercury do and others probably will (PCDD/Fs and dl-PCB) exceed biota-EQS values catchment area-wide. So far, relating biota-EQS values to sediment-EQSs is not possible. To overcome these limitations, the DioRAMA project was initiated, which has led to improved approaches for the assessment of dioxin-contaminated sediment using in vitro bioassays and to a robust dataset on the interrelation between dioxins and dioxin-like compounds in sediments and biota.
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Affiliation(s)
- Ulrich Förstner
- Institute of Environmental Technology and Energy Economics, University of Technology Hamburg-Harburg, Eissendorfer Street, 21071 Hamburg, Germany
| | - Henner Hollert
- Department of Ecosystem Analysis, Institute for Environmental Research, ABBt – Aachen Biology and Biotechnology, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany
| | - Markus Brinkmann
- Department of Ecosystem Analysis, Institute for Environmental Research, ABBt – Aachen Biology and Biotechnology, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany
| | - Kathrin Eichbaum
- Department of Ecosystem Analysis, Institute for Environmental Research, ABBt – Aachen Biology and Biotechnology, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany
| | - Roland Weber
- POPs Environmental Consulting, Lindenfirststrasse 23, 73527 Schwäbisch Gmünd, Germany
| | - Wim Salomons
- Kromme Elleboog 21, 9751 RB, Haren, Groningen Netherlands
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