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Grobin A, Roškar R, Trontelj J. A robust multi-residue method for the monitoring of 25 endocrine disruptors at ultra-trace levels in surface waters by SPE-LC-MS/MS. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023. [PMID: 37194301 DOI: 10.1039/d3ay00602f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Estrogenic endocrine disruptors are one of the biggest ecotoxicological threats in water that pose a significant ecological burden and health-risk for humans due to their high biological activity and proven additive effects. Therefore, we have developed and validated the most comprehensive and ultra-sensitive analytical method published to date, for reliable quantification of 25 high-risk endocrine disruptors at their ecologically relevant concentrations: naturally excreted hormones (estradiol, estrone, estriol, testosterone, corticosterone, and progesterone), synthetic hormones used for contraception and menopausal symptoms (ethinylestradiol, drospirenone, chlormadinone acetate, norgestrel, gestodene, tibolone, norethindrone, dienogest, and cyproterone) and bisphenols (BPS, BPA, BPF, BPE, BPAF, BPB, BPC, and BPZ). It is based on a solid-phase extraction of water samples, followed by a robust dansyl chloride derivatization with detection by liquid chromatography-tandem mass spectrometry with a single sample preparation and two analytical methods using the same analytical column and mobile phases. The achieved limits of quantitation are in the sub-ng L-1 range, and detection limits as low as 0.02 ng L-1, meeting the newest proposal for environmental quality standards (EQS) by the EU water framework directive for estradiol and ethinylestradiol. The method was extensively validated and applied to seven representative Slovenian water samples, where we detected 21 out of 25 analytes; 13 were quantified in at least one sample. Estrone and progesterone were quantified in all samples, reaching levels up to 50 ng L-1; ethinylestradiol was higher than the current EQS (0.035 ng L-1) in three samples, and estradiol was above its EQS (0.4 ng L-1) in one sample, proving the method's applicability and the necessity for monitoring these pollutants.
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Affiliation(s)
- Andrej Grobin
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva cesta 7, 1000 Ljubljana, Slovenia.
| | - Robert Roškar
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva cesta 7, 1000 Ljubljana, Slovenia.
| | - Jurij Trontelj
- University of Ljubljana, Faculty of Pharmacy, Aškerčeva cesta 7, 1000 Ljubljana, Slovenia.
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Robitaille J, Denslow ND, Escher BI, Kurita-Oyamada HG, Marlatt V, Martyniuk CJ, Navarro-Martín L, Prosser R, Sanderson T, Yargeau V, Langlois VS. Towards regulation of Endocrine Disrupting chemicals (EDCs) in water resources using bioassays - A guide to developing a testing strategy. ENVIRONMENTAL RESEARCH 2022; 205:112483. [PMID: 34863984 DOI: 10.1016/j.envres.2021.112483] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 11/26/2021] [Accepted: 11/30/2021] [Indexed: 06/13/2023]
Abstract
Endocrine disrupting chemicals (EDCs) are found in every environmental medium and are chemically diverse. Their presence in water resources can negatively impact the health of both human and wildlife. Currently, there are no mandatory screening mandates or regulations for EDC levels in complex water samples globally. Bioassays, which allow quantifying in vivo or in vitro biological effects of chemicals are used commonly to assess acute toxicity in water. The existing OECD framework to identify single-compound EDCs offers a set of bioassays that are validated for the Estrogen-, Androgen-, and Thyroid hormones, and for Steroidogenesis pathways (EATS). In this review, we discussed bioassays that could be potentially used to screen EDCs in water resources, including in vivo and in vitro bioassays using invertebrates, fish, amphibians, and/or mammalians species. Strengths and weaknesses of samples preparation for complex water samples are discussed. We also review how to calculate the Effect-Based Trigger values, which could serve as thresholds to determine if a given water sample poses a risk based on existing quality standards. This work aims to assist governments and regulatory agencies in developing a testing strategy towards regulation of EDCs in water resources worldwide. The main recommendations include 1) opting for internationally validated cell reporter in vitro bioassays to reduce animal use & cost; 2) testing for cell viability (a critical parameter) when using in vitro bioassays; and 3) evaluating the recovery of the water sample preparation method selected. This review also highlights future research avenues for the EDC screening revolution (e.g., 3D tissue culture, transgenic animals, OMICs, and Adverse Outcome Pathways (AOPs)).
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Affiliation(s)
- Julie Robitaille
- Centre Eau Terre Environnement, Institut National de La Recherche Scientifique (INRS), Quebec City, QC, Canada
| | | | - Beate I Escher
- Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany; Eberhard Karls University Tübingen, Tübingen, Germany
| | | | - Vicki Marlatt
- Simon Fraser University, Burnaby, British Columbia, Canada
| | | | - Laia Navarro-Martín
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
| | | | - Thomas Sanderson
- Centre Armand-Frappier Santé Biotechnologie, INRS, Laval, QC, Canada
| | | | - Valerie S Langlois
- Centre Eau Terre Environnement, Institut National de La Recherche Scientifique (INRS), Quebec City, QC, Canada.
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Yusuf A, O'Flynn D, White B, Holland L, Parle-McDermott A, Lawler J, McCloughlin T, Harold D, Huerta B, Regan F. Monitoring of emerging contaminants of concern in the aquatic environment: a review of studies showing the application of effect-based measures. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:5120-5143. [PMID: 34726207 DOI: 10.1039/d1ay01184g] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Water scarcity is increasingly a global cause of concern mainly due to widespread changes in climate conditions and increased consumptive water use driven by the exponential increase in population growth. In addition, increased pollution of fresh water sources due to rising production and consumption of pharmaceuticals and organic chemicals will further exacerbate this concern. Although surface water contamination by individual chemicals is often at very low concentration, pharmaceuticals for instance are designed to be efficacious at low concentrations, creating genuine concern for their presence in freshwater sources. Furthermore, the additive impact of multiple compounds may result in toxic or other biological effects that otherwise will not be induced by individual chemicals. Globally, different legislative frameworks have led to pre-emptive efforts which aim to ensure good water ecological status. Reports detailing the use and types of effect-based measures covering specific bioassay batteries that can identify specific mode of actions of chemical pollutants in the aquatic ecosystem to evaluate the real threat of pollutants to aquatic lives and ultimately human lives have recently emerged from monitoring networks such as the NORMAN network. In this review, we critically evaluate some studies within the last decade that have implemented effect-based monitoring of pharmaceuticals and organic chemicals in aquatic fauna, evaluating the occurrence of different chemical pollutants and the impact of these pollutants on aquatic fauna with special focus on pollutants that are contaminants of emerging concern (CEC) in urban wastewater. A critical discussion on studies that have used effect-based measures to assess biological impact of pharmaceutical/organic compound in the aquatic ecosystem and the endpoints measurements employed is presented. The application of effect-based monitoring of chemicals other than assessment of water quality status is also discussed.
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Affiliation(s)
- Azeez Yusuf
- School of Biotechnology, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland.
- Water Institute, Dublin City University, Dublin, Ireland
| | - Dylan O'Flynn
- School of Chemical Sciences, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland
- Water Institute, Dublin City University, Dublin, Ireland
| | - Blanaid White
- School of Chemical Sciences, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland
- Water Institute, Dublin City University, Dublin, Ireland
| | - Linda Holland
- School of Biotechnology, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland.
- Water Institute, Dublin City University, Dublin, Ireland
| | - Anne Parle-McDermott
- School of Biotechnology, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland.
- Water Institute, Dublin City University, Dublin, Ireland
| | - Jenny Lawler
- School of Biotechnology, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland.
- Water Institute, Dublin City University, Dublin, Ireland
- Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University, Doha, Qatar
| | - Thomas McCloughlin
- School of Biotechnology, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland.
- Water Institute, Dublin City University, Dublin, Ireland
| | - Denise Harold
- School of Biotechnology, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland.
| | - Belinda Huerta
- School of Chemical Sciences, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland
- Water Institute, Dublin City University, Dublin, Ireland
| | - Fiona Regan
- School of Chemical Sciences, Dublin City University Glasnevin, Dublin 9, Dublin, Ireland
- Water Institute, Dublin City University, Dublin, Ireland
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McClure CM, Smalling KL, Blazer VS, Sperry AJ, Schall MK, Kolpin DW, Phillips PJ, Hladik ML, Wagner T. Spatiotemporal variation in occurrence and co-occurrence of pesticides, hormones, and other organic contaminants in rivers in the Chesapeake Bay Watershed, United States. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 728:138765. [PMID: 32344224 DOI: 10.1016/j.scitotenv.2020.138765] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 04/14/2020] [Accepted: 04/15/2020] [Indexed: 05/22/2023]
Abstract
Investigating the spatiotemporal dynamics of contaminants in surface water is crucial to better understand how introduced chemicals are interacting with and potentially influencing aquatic organisms and environments. Within the Chesapeake Bay Watershed, United States, there are concerns about the potential role of contaminant exposure on fish health. Evidence suggests that exposure to contaminants in surface water is causing immunosuppression and intersex in freshwater fish species. Despite these concerns, there is a paucity of information regarding the complex dynamics of contaminant occurrence and co-occurrence in surface water across both space and time. To address these concerns, we applied a Bayesian hierarchical joint-contaminant model to describe the occurrence and co-occurrence patterns of 28 contaminants and total estrogenicity across six river sites and over three years. We found that seasonal occurrence patterns varied by contaminant, with the highest occurrence probabilities during the spring and summer months. Additionally, we found that the proportion of agricultural landcover in the immediate catchment, as well as stream discharge, did not have a significant effect on the occurrence probabilities of most compounds. Four pesticides (atrazine, metolachlor, fipronil and simazine) co-occurred across sites after accounting for environmental covariates. These results provide baseline information on the contaminant occurrence patterns of several classes of compounds within the Chesapeake Bay Watershed. Understanding the spatiotemporal dynamics of contaminants in surface water is the first step in investigating the effects of contaminant exposure on fisheries and aquatic environments.
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Affiliation(s)
- Catherine M McClure
- Pennsylvania Cooperative Fish and Wildlife Research Unit, Department of Ecosystem Science and Management, 413 Forest Resource Building, The Pennsylvania State University, University Park, PA 16802, USA.
| | - Kelly L Smalling
- U.S. Geological Survey, New Jersey Water Science Center, 3450 Princeton Pike, Suite 110, Lawrenceville, NJ 08648, USA.
| | - Vicki S Blazer
- U.S. Geological Survey, Fish Health Branch, Leetown Science Center, 11649 Leetown Road, Kearneysville, WV 25430, USA.
| | - Adam J Sperry
- U.S. Geological Survey, Fish Health Branch, Leetown Science Center, 11649 Leetown Road, Kearneysville, WV 25430, USA.
| | - Megan K Schall
- The Pennsylvania State University, Biological Services, 76 University Drive, Hazleton, PA 18202, USA.
| | - Dana W Kolpin
- U.S. Geological Survey, Central Midwest Water Science Center, 400 S Clinton St Room 269, Iowa City, IA 52240, USA.
| | - Patrick J Phillips
- U.S. Geological Survey, New York Water Science Center, 425 Jordan Road, Troy, NY 12180, USA.
| | - Michelle L Hladik
- U.S. Geological Survey, California Water Science Center, 6000 J Street, Placer Hall, Sacramento, CA 95819, USA.
| | - Tyler Wagner
- U.S. Geological Survey, Pennsylvania Cooperative Fish and Wildlife Research Unit, Pennsylvania State University, 402 Forest Resources Building, University Park, PA 16802, USA.
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Čelić M, Škrbić BD, Insa S, Živančev J, Gros M, Petrović M. Occurrence and assessment of environmental risks of endocrine disrupting compounds in drinking, surface and wastewaters in Serbia. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 262:114344. [PMID: 32443213 DOI: 10.1016/j.envpol.2020.114344] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 03/05/2020] [Accepted: 03/06/2020] [Indexed: 06/11/2023]
Abstract
The present study is the first comprehensive monitoring of 13 selected endocrine disrupting compounds (EDCs) in untreated urban and industrial wastewater in Serbia to assess their impact on the Danube River basin and associated freshwaters used as sources for drinking water production in the area. Results showed that natural and synthetic estrogens were present in surface and wastewater at concentrations ranging from 0.1 to 64.8 ng L-1. Nevertheless, they were not detected in drinking water. For alkylphenols concentrations ranged from 1.1 to 78.3 ng L-1 in wastewater and from 0.1 to 37.2 ng L-1 in surface water, while in drinking water concentrations varied from 0.4 to 7.9 ng L-1. Bisphenol A (BPA) was the most abundant compound in all water types, with frequencies of detection ranging from 57% in drinking water, to 70% in surface and 84% in wastewater. Potential environmental risks were characterized by calculating the risk quotients (RQs) and the estrogenic activity of EDCs in waste, surface and drinking water samples, as an indicator of their potential detrimental effects. RQ values of estrone (E1) and estradiol (E2) were the highest, exceeding the threshold value of 1 in 60% of wastewater samples, while in surface water E1 displayed potential risks in only two samples. Total estrogenic activity (EEQt) surpassed the threshold of 1 ng E2 L-1 in about 67% of wastewater samples, and in 3 surface water samples. In drinking water, EEQt was below 1 ng L-1 in all samples.
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Affiliation(s)
- Mira Čelić
- Catalan Institute for Water Research (ICRA), C/Emili Grahit 101, 17003, Girona, Spain; University of Girona, Girona, Spain
| | - Biljana D Škrbić
- University of Novi Sad, Faculty of Technology Novi Sad, Laboratory for Chemical Contaminants and Sustainable Development, Serbia.
| | - Sara Insa
- Catalan Institute for Water Research (ICRA), C/Emili Grahit 101, 17003, Girona, Spain; University of Girona, Girona, Spain
| | - Jelena Živančev
- University of Novi Sad, Faculty of Technology Novi Sad, Laboratory for Chemical Contaminants and Sustainable Development, Serbia
| | - Meritxell Gros
- Catalan Institute for Water Research (ICRA), C/Emili Grahit 101, 17003, Girona, Spain; University of Girona, Girona, Spain
| | - Mira Petrović
- Catalan Institute for Water Research (ICRA), C/Emili Grahit 101, 17003, Girona, Spain; Catalan Institution for Research and Advanced Studies (ICREA), Passeig Lluís Companys 23, 08010, Barcelona, Spain
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6
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Rojas-Hucks S, Gutleb AC, González CM, Contal S, Mehennaoui K, Jacobs A, Witters HE, Pulgar J. Xenopus laevis as a Bioindicator of Endocrine Disruptors in the Region of Central Chile. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2019; 77:390-408. [PMID: 31422435 DOI: 10.1007/s00244-019-00661-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Accepted: 08/06/2019] [Indexed: 06/10/2023]
Abstract
One of the direct causes of biodiversity loss is environmental pollution resulting from the use of chemicals. Different kinds of chemicals, such as persistent organic pollutants and some heavy metals, can be endocrine disruptors, which act at low doses over a long period of time and have a negative effect on the reproductive and thyroid system in vertebrates worldwide. Research on the effects of endocrine disruptors and the use of bioindicators in neotropical ecosystems where pressure on biodiversity is high is scarce. In Chile, although endocrine disruptors have been detected at different concentrations in the environments of some ecosystems, few studies have been performed on their biological effects in the field. In this work, Xenopus laevis (African clawed frog), an introduced species, is used as a bioindicator for the presence of endocrine disruptors in aquatic systems with different degrees of contamination in a Mediterranean zone in central Chile. For the first time for Chile, alterations are described that can be linked to exposure to endocrine disruptors, such as vitellogenin induction, decreased testosterone in male frogs, and histological changes in gonads. Dioxin-like and oestrogenic activity was detected in sediments at locations where it seem to be related to alterations found in the frogs. In addition, an analysis of land use/cover use revealed that urban soil was the best model to explain the variations in frog health indicators. This study points to the usefulness of an invasive species as a bioindicator for the presence of endocrine-disruptive chemicals.
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Affiliation(s)
- Sylvia Rojas-Hucks
- Departamento de Ecología y Biodiversidad, Facultad Ciencias de la Vida, Universidad Andres Bello, República 440, Santiago, Chile.
| | - Arno C Gutleb
- Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology (LIST), 5 avenue des Hauts-Fourneaux, Esch-sur-Alzette, Luxembourg
| | - Carlos M González
- Escuela de Medicina Veterinaria, Facultad Ciencias de la Vida, Universidad Andres Bello, República 440, Santiago, Chile
| | - Servane Contal
- Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology (LIST), 5 avenue des Hauts-Fourneaux, Esch-sur-Alzette, Luxembourg
| | - Kahina Mehennaoui
- Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology (LIST), 5 avenue des Hauts-Fourneaux, Esch-sur-Alzette, Luxembourg
| | - An Jacobs
- Department Environmental Health and Risk, Team Applied Bio and Molecular Sciences (ABS), Flemish Institute for Technological Research (VITO), Boeretang 200, 2400, Mol, Belgium
| | - Hilda E Witters
- Department Environmental Health and Risk, Team Applied Bio and Molecular Sciences (ABS), Flemish Institute for Technological Research (VITO), Boeretang 200, 2400, Mol, Belgium
| | - José Pulgar
- Departamento de Ecología y Biodiversidad, Facultad Ciencias de la Vida, Universidad Andres Bello, República 440, Santiago, Chile
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Pande P, Fleck SC, Twaddle NC, Churchwell MI, Doerge DR, Teeguarden JG. Comparative estrogenicity of endogenous, environmental and dietary estrogens in pregnant women II: Total estrogenicity calculations accounting for competitive protein and receptor binding and potency. Food Chem Toxicol 2018; 125:341-353. [PMID: 30553876 DOI: 10.1016/j.fct.2018.12.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 11/27/2018] [Accepted: 12/10/2018] [Indexed: 12/22/2022]
Abstract
Evaluating the biological significance of human-relevant exposures to environmental estrogens involves assessing the individual and total estrogenicity of endogenous and exogenous estrogens found in serum, for example from biomonitoring studies. We developed a method for this assessment by integrating approaches for (i) measuring total hormone concentrations by mass spectrometry (Fleck et al., 2018), (ii) calculating hormone bioavailable concentrations in serum and, (iii) solving multiple equilibria between estrogenic ligands and receptors, and (iv) quantitatively describing key elements of estrogen potency. The approach was applied to endogenous (E1, E2, E3, E4), environmental (BPA), and dietary Genistein (GEN), Daidzein (DDZ) estrogens measured in the serum of thirty pregnant women. Fractional receptor occupancy (FRO) based estrogenicity was dominated by E1, E2 and E3 (ER-α, 94.4-99.2% (median: 97.3%), ER-β, 82.7-97.7% (median: 92.8%), as was the total response (TR), which included ligand specific differences in recruitment of co-activator proteins (RCA). The median FRO for BPA was at least five orders of magnitude lower than E1, E2 and E3, and three orders of magnitude lower than the fetal derived E4 and GEN and DDZ. BPA contributed less than 1/1000th of the normal daily variability in total serum estrogenicity in this cohort of pregnant women.
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Affiliation(s)
- Paritosh Pande
- Health Effects and Exposure Science, Pacific Northwest National Laboratory, Richland, WA, 99352, USA.
| | - Stefanie C Fleck
- Division of Biochemical Toxicology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, 72079, USA.
| | - Nathan C Twaddle
- Division of Biochemical Toxicology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, 72079, USA.
| | - Mona I Churchwell
- Division of Biochemical Toxicology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, 72079, USA.
| | - Daniel R Doerge
- Division of Biochemical Toxicology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR, 72079, USA.
| | - Justin G Teeguarden
- Health Effects and Exposure Science, Pacific Northwest National Laboratory, Richland, WA, 99352, USA; Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, 93771, USA.
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Fleck SC, Twaddle NC, Churchwell MI, Doerge DR, Pande P, Teeguarden JG. Comparative estrogenicity of endogenous, environmental and dietary estrogens in pregnant women I: Serum levels, variability and the basis for urinary biomonitoring of serum estrogenicity. Food Chem Toxicol 2018; 115:511-522. [DOI: 10.1016/j.fct.2018.03.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Revised: 03/09/2018] [Accepted: 03/12/2018] [Indexed: 11/15/2022]
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9
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Wangmo C, Jarque S, Hilscherová K, Bláha L, Bittner M. In vitro assessment of sex steroids and related compounds in water and sediments - a critical review. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2018; 20:270-287. [PMID: 29251308 DOI: 10.1039/c7em00458c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Detection of endocrine disrupting compounds in water and sediment samples has gained much importance since the evidence of their effects was reported in aquatic ecosystems in the 1990s. The aim of this review is to highlight the advances made in the field of in vitro analysis for the detection of hormonally active compounds with estrogenic, androgenic and progestogenic effects in water and sediment samples. In vitro assays have been developed from yeast, mammalian and in a few cases from fish cells. These assays are based either on the hormone-mediated proliferation of sensitive cell lines or on the hormone-mediated expression of reporter genes. In vitro assays in combination with various sample enrichment methods have been used with limits of detection as low as 0.0027 ng L-1 in water, and 0.0026 ng g-1 in sediments for estrogenicity, 0.1 ng L-1 in water, and 0.5 ng g-1 in sediments for androgenicity, and 5 ng L-1 in water for progestogenicity expressed as equivalent concentrations of standard reference compounds of 17β-estradiol, dihydrotestosterone and progesterone, respectively. The experimental results and limits of quantification, however, are influenced by the methods of sample collection, preparation, and individual laboratory practices.
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Affiliation(s)
- Chimi Wangmo
- Masaryk University, Research Centre for Toxic Compounds in the Environment - RECETOX, Kamenice 5, 625 00, Brno, Czech Republic.
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Shi P, Zhou S, Xiao H, Qiu J, Li A, Zhou Q, Pan Y, Hollert H. Toxicological and chemical insights into representative source and drinking water in eastern China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 233:35-44. [PMID: 29053996 DOI: 10.1016/j.envpol.2017.10.033] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 10/08/2017] [Accepted: 10/08/2017] [Indexed: 05/07/2023]
Abstract
Drinking water safety is continuously threatened by the emergence of numerous toxic organic pollutants (TOPs) in environmental waters. In this study, an approach integrating in vitro bioassays and chemical analyses was performed to explore toxicological profiles of representative source and drinking water from waterworks of the Yangtze River (Yz), Taihu Lake (Th), and the Huaihe River (Hh) basins in eastern China. Overall, 34 of 96 TOPs were detected in all water samples, with higher concentrations in both source and drinking water samples of Hh, and pollutant profiles also differed across different river basins. Non-specific bioassays indicated that source water samples of Hh waterworks showed higher genotoxicity and mutagenicity than samples of Yz and Th. An EROD assay demonstrated dioxin-like toxicity which was detected in 5 of 7 source water samples, with toxin concentration levels ranging from 62.40 to 115.51 picograms TCDD equivalents per liter of water (eq./L). PAHs and PCBs were not the main contributors to observed dioxin-like toxicity in detected samples. All source water samples induced estrogenic activities of 8.00-129.00 nanograms 17β-estradiol eq./L, and estrogens, including 17α-ethinylestradiol and estriol, contributed 40.38-84.15% of the observed activities in examined samples. While drinking water treatments efficiently removed TOPs and their toxic effects, and estrogenic activity was still observed in drinking water samples of Hh. Altogether, this study indicated that the representative source water in eastern China, especially that found in Hh, may negatively affect human health, a finding that demonstrates an urgent requirement for advanced drinking water treatments.
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Affiliation(s)
- Peng Shi
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China.
| | - Sicong Zhou
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Hongxia Xiao
- Department of Ecosystem Analysis, Institute for Environmental Research, ABBt-Aachen Biology and Biotechnology, RWTH Aachen University, Aachen 52074, Germany
| | - Jingfan Qiu
- Department of Pathogen Biology, Key Laboratory of Pathogen Biology of Jiangsu Province, Nanjing Medical University, Nanjing 210029, PR China
| | - Aimin Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Qing Zhou
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Yang Pan
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Henner Hollert
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China; Department of Ecosystem Analysis, Institute for Environmental Research, ABBt-Aachen Biology and Biotechnology, RWTH Aachen University, Aachen 52074, Germany; College of Resources and Environmental Science, Chongqing University, Chongqing 400030, PR China; Key Laboratory of Yangtze Water Environment, Ministry of Education, Tongji University, Shanghai 200092, PR China
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Česen M, Heath E. Disk-based solid phase extraction for the determination of diclofenac and steroidal estrogens E1, E2 and EE2 listed in the WFD watch list by GC-MS. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 590-591:832-837. [PMID: 28284637 DOI: 10.1016/j.scitotenv.2017.02.222] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Revised: 02/21/2017] [Accepted: 02/27/2017] [Indexed: 05/12/2023]
Abstract
The aim of this study was to develop and validate an analytical method for determining estrone, 17β-estradiol, 17α-ethynyl estradiol and diclofenac in whole surface water samples at or below the limits of quantification as set out in Decision 2015/495/EU. The method is based on solid-phase extraction using Atlantic® HLB disks in a semi-automated system (SPE-DEX® 4790). The method involved extracting 10L of whole surface water samples followed by derivatization with N-methyl-N-(trimethylsilyl)trifluoroacetamide) and analysis by gas chromatography-mass spectrometry. Drying the disks overnight at 25°C followed by elution with ethyl acetate resulted in extraction recoveries between 75.9% and 120% and limits of quantification of 0.290ngL-1 for estrone, 1.37ngL-1 for 17β-estradiol, 0.724ngL-1 for 17α-ethynyl estradiol and 0.119ngL-1 for diclofenac. Despite extracting 10L of sample, obtained limits of quantification for 17β-estradiol and 17α-ethynyl estradiol were above those set in the Decision 2015/495/EU, while limits of quantification for estrone and diclofenac were lower. The method was applied to six Slovene surface waters, among which four contained detectable concentrations of only diclofenac (0.313ngL-1-5.69ngL-1). To our knowledge, this is the first study reporting a large volume solid-phase extraction using disks for the determination of estrone, 17β-estradiol, 17α-ethynyl estradiol and diclofenac in whole surface waters.
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Affiliation(s)
- Marjeta Česen
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia; Jožef Stefan International Postgraduate School, Jamova cesta 39, 1000 Ljubljana, Slovenia
| | - Ester Heath
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova cesta 39, 1000 Ljubljana, Slovenia; Jožef Stefan International Postgraduate School, Jamova cesta 39, 1000 Ljubljana, Slovenia.
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12
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Dotan P, Tal A, Arnon S. A simple model for estimating the concentrations of natural estrogens in raw wastewater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 575:588-594. [PMID: 27622697 DOI: 10.1016/j.scitotenv.2016.09.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 08/31/2016] [Accepted: 09/02/2016] [Indexed: 06/06/2023]
Abstract
This study provides a tool for predicting the concentrations of the natural estrogens (NEs) estrone, 17β-estradiol and estriol in raw wastewater (WW). Data characterizing the biochemical oxygen demand (BOD), NE concentrations, and discharges of raw sewage to wastewater treatment plants (WWTPs) were collected from various publications and used in the model formulation. A strong correlation was found between the log transformed BOD and the log transformed estrone load (r2=0.84, n=61), the log transformed 17β-estradiol load (r2=0.89, n=52) and the log transformed estriol load (r2=0.80, n=40). The models are reasonably accurate when compared to the measured concentrations and slightly better than previous modeling efforts. The relative amounts of data falling within ±50% error were 67% for estrone, 63% for 17β-estradiol, and 55% for estriol. Because the model was developed from a wide array of WWTPs from five continents, it is universal and can be used for projecting concentrations of NEs from a wide range of mixed domestic and industrial sources, but may be less precise when sources contain high levels of NEs or BOD (e.g., WW from dairy farms and food processing plants). The model is expected to improve our ability to predict the fate of NEs in WWTPs and in the receiving environment, which currently relies on estimating the concentrations of NEs in raw wastewater. Its application is especially valuable since direct measurement of NEs in raw WW is expensive and practically impossible in many developing countries due to the lack of expertise and funds.
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Affiliation(s)
- Pniela Dotan
- Zuckerberg Institute for Water Research, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer 84990, Israel
| | - Alon Tal
- Swiss Institute for Dryland Environmental and Energy Research, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, 84990, Israel
| | - Shai Arnon
- Zuckerberg Institute for Water Research, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer 84990, Israel.
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13
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Isidori M, Lavorgna M, Russo C, Kundi M, Žegura B, Novak M, Filipič M, Mišík M, Knasmueller S, de Alda ML, Barceló D, Žonja B, Česen M, Ščančar J, Kosjek T, Heath E. Chemical and toxicological characterisation of anticancer drugs in hospital and municipal wastewaters from Slovenia and Spain. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 219:275-287. [PMID: 27814544 DOI: 10.1016/j.envpol.2016.10.039] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 10/11/2016] [Accepted: 10/12/2016] [Indexed: 06/06/2023]
Abstract
Anticancer drugs are continuously released into hospital and urban wastewaters, where they, most commonly, undergo conventional treatment in wastewater treatment plants (WWTPs). Wastewaters contain complex mixtures of substances including parent compounds, their metabolites and transformation products (TPs). In this study, samples of hospital effluents and WWTP influents and effluents from Slovenia and Spain were analyzed for twenty-two selected anticancer drugs, their metabolites and transformation products. Acute and chronic toxicity tests were performed on the crustacean Ceriodaphnia dubia, genotoxicity was determined with Tradescantia and Allium cepa micronucleus (MN) assays and in vitro comet assay in zebrafish (Danio rerio) liver cell line (ZFL cells). Sixty of the two hundred-twenty determinations revealed detectable levels of anticancer drug residues. Among the targeted compounds, platinum based were most frequently detected (90%). Furthermore, erlotinib was detected in 80%, cyclophosphamide and tamoxifen in 70% and methotrexate in 60% of the samples. Seven of ten samples were toxic to C. dubia after acute exposure, whereas after chronic exposure all samples reduced reproduction of C. dubia at high sample dilutions. Allium cepa proved insensitive to the potential genotoxicity of the tested samples, while in Tradescantia increased MN frequencies were induced by a hospital effluent and WWTP influents. In ZFL comet assay all but one sample induced a significant increase of DNA strand breaks. Correlations of chemotherapeutics or their TPs were detected for all bioassays except for Allium cepa genotoxicity test, however for each test the highest correlations were found for different substances indicating differential sensitivities of the test organisms.
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Affiliation(s)
- Marina Isidori
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Seconda Università di Napoli, Via Vivaldi 43, I-81100 Caserta, Italy.
| | - Margherita Lavorgna
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Seconda Università di Napoli, Via Vivaldi 43, I-81100 Caserta, Italy
| | - Chiara Russo
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Seconda Università di Napoli, Via Vivaldi 43, I-81100 Caserta, Italy
| | - Michael Kundi
- Institute of Environmental Health, Center for Public Health, Medical University of Vienna, Kinderspitalgasse 15, 1090 Vienna, Austria.
| | - Bojana Žegura
- National Institute of Biology, Department for Genetic Toxicology and Biology of Cancer, Ljubljana, Slovenia
| | - Matjaž Novak
- National Institute of Biology, Department for Genetic Toxicology and Biology of Cancer, Ljubljana, Slovenia; Ecological Engineering Institute, Maribor, Slovenia; Jozef Stefan International Postgraduate School, Ljubljana, Slovenia
| | - Metka Filipič
- National Institute of Biology, Department for Genetic Toxicology and Biology of Cancer, Ljubljana, Slovenia
| | - Miroslav Mišík
- Institute for Cancer Research, Department of Internal Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Siegfried Knasmueller
- Institute for Cancer Research, Department of Internal Medicine I, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Miren López de Alda
- Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18-26, E-08034 Barcelona, Spain
| | - Damià Barceló
- Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18-26, E-08034 Barcelona, Spain; Catalan Institute of Water Research, c/Emili Grahit, 101, Edifici H2O, Parc Científic i Tecnològic de la Universitat de Girona, E-17003 Girona, Spain
| | - Božo Žonja
- Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18-26, E-08034 Barcelona, Spain
| | - Marjeta Česen
- Jožef Stefan Institute, Department of Environmental Sciences, Ljubljana, Slovenia; Jozef Stefan International Postgraduate School, Ljubljana, Slovenia
| | - Janez Ščančar
- Jožef Stefan Institute, Department of Environmental Sciences, Ljubljana, Slovenia; Jozef Stefan International Postgraduate School, Ljubljana, Slovenia
| | - Tina Kosjek
- Jožef Stefan Institute, Department of Environmental Sciences, Ljubljana, Slovenia; Jozef Stefan International Postgraduate School, Ljubljana, Slovenia
| | - Ester Heath
- Jožef Stefan Institute, Department of Environmental Sciences, Ljubljana, Slovenia; Jozef Stefan International Postgraduate School, Ljubljana, Slovenia.
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Chou PH, Lin YL, Liu TC, Chen KY. Exploring potential contributors to endocrine disrupting activities in Taiwan's surface waters using yeast assays and chemical analysis. CHEMOSPHERE 2015; 138:814-820. [PMID: 26295540 DOI: 10.1016/j.chemosphere.2015.08.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Revised: 08/06/2015] [Accepted: 08/07/2015] [Indexed: 06/04/2023]
Abstract
Surface waters serve as sinks for anthropogenic contaminants, including naturally occurring hormones and a variety of synthetic endocrine active substances. To investigate the presence of endocrine active contaminants in the aquatic environment in Taiwan, river water and suspended solids were analyzed by yeast assays to examine the distribution of estrogenic, androgenic, and aryl hydrocarbon receptor agonist activities. The results showed that dry-season river samples exhibited strong estrogenic and aryl hydrocarbon receptor agonist activities, but no androgenic activity was detected. Owing to the ubiquitous detection of estrogenic activities in Taiwan's surface waters, samples were further subjected to liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis for quantification of selected estrogenic compounds. LC-MS/MS results indicated that natural estrogens, such as estrone and 17β-estradiol were often the most contributing compounds for the bioassay-derived estrogenic activities due to their strong estrogenic potencies and high detection frequencies, whereas high concentrations of bisphenol A and nonylphenol also posed a threat to the aquatic ecosystems in Taiwan. Water samples eliciting strong estrogenic activities were further fractionated using high performance liquid chromatography, and significant estrogenic activities were detected in fractions containing estrone, 17β-estradiol, 17α-ethynylestradiol, and bisphenol A. Also, the presence of unidentified estrogenic compounds was found in few river water samples. Further identification of unknown endocrine active substances is necessary to better protect the aquatic environment in Taiwan.
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Affiliation(s)
- Pei-Hsin Chou
- Department of Environmental Engineering, National Cheng Kung University, No. 1, University Road, Tainan 70101, Taiwan.
| | - Yi-Ling Lin
- Department of Environmental Engineering, National Cheng Kung University, No. 1, University Road, Tainan 70101, Taiwan
| | - Tong-Cun Liu
- Department of Environmental Engineering, National Cheng Kung University, No. 1, University Road, Tainan 70101, Taiwan
| | - Kuang-Yu Chen
- Department of Environmental Engineering, National Cheng Kung University, No. 1, University Road, Tainan 70101, Taiwan
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15
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Chou PH, Liu TC, Lin YL. Monitoring of xenobiotic ligands for human estrogen receptor and aryl hydrocarbon receptor in industrial wastewater effluents. JOURNAL OF HAZARDOUS MATERIALS 2014; 277:13-19. [PMID: 24680543 DOI: 10.1016/j.jhazmat.2014.02.049] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Revised: 02/26/2014] [Accepted: 02/28/2014] [Indexed: 06/03/2023]
Abstract
Industrial wastewater contains a variety of toxic substances, which may severely contaminate the aquatic environment if discharged without adequate treatment. In this study, effluents from a thin film transistor liquid crystal display wastewater treatment plant and the receiving water were analyzed by bioassays and liquid chromatography-tandem mass spectrometry to investigate the presence of estrogenic compounds, aryl hydrocarbon receptor (AhR) agonists, and genotoxicants. Xenobiotic AhR agonists were frequently detected and, in particular, strong AhR agonist activity and genotoxicity were found in the suspended solids of the aeration tank outflow. The high AhR agonist activity in the final effluent (FE) and the downstream river water suggested that the treatment plant failed to remove the wastewater-related AhR agonists. In contrast, although significant estrogenic potency could be detected in raw wastewater or effluents from different treatment processes, the FE and the receiving river water exhibited no or weak estrogenicity. Instrumental analysis showed that bisphenol A was often detected in water samples. However, the investigated estrogenic compounds could only account for a small portion of the estrogenicity in the collected samples. Therefore, further investigation is necessary to identify the major estrogenic compounds and AhR agonist contaminants in the wastewater effluents.
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Affiliation(s)
- Pei-Hsin Chou
- Department of Environmental Engineering, National Cheng Kung University, Tainan 70101, Taiwan; Sustainable Environment Research Laboratories, National Cheng Kung University, Tainan 70101, Taiwan.
| | - Tong-Cun Liu
- Department of Environmental Engineering, National Cheng Kung University, Tainan 70101, Taiwan; Sustainable Environment Research Laboratories, National Cheng Kung University, Tainan 70101, Taiwan
| | - Yi-Ling Lin
- Department of Environmental Engineering, National Cheng Kung University, Tainan 70101, Taiwan; Sustainable Environment Research Laboratories, National Cheng Kung University, Tainan 70101, Taiwan
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