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Wolf Y, Oster S, Shuliakevich A, Brückner I, Dolny R, Linnemann V, Pinnekamp J, Hollert H, Schiwy S. Improvement of wastewater and water quality via a full-scale ozonation plant? - A comprehensive analysis of the endocrine potential using effect-based methods. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 803:149756. [PMID: 34492496 DOI: 10.1016/j.scitotenv.2021.149756] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 08/02/2021] [Accepted: 08/15/2021] [Indexed: 06/13/2023]
Abstract
Micropollutants (MPs), especially endocrine disrupting compounds (EDCs), are mainly released from WWTPs into surface water bodies and can subsequently lead to adverse effects in biota. Treatment with ozone proved to be a suitable method for eliminating such MPs. This method was implemented at the WWTP Aachen-Soers by commissioning the largest full-scale ozonation plant in Europe at the moment. Recently, effect-based methods (EBMs) have been successfully proved for compliance monitoring, e.g. estrogenic compounds. Therefore, the impact of ozone treatment on endocrine potential (agonistic and antagonistic) of treated wastewater was investigated using the ERα- and AR CALUX assays. Additionally, the impact on the receiving stream and a potential preload of the water body was assessed. Therefore, the current study could deal as a case study for small rivers being highly impacted by WWTPs. The estrogenic potential was nearly fully eliminated after ozone treatment. Contrary, the antagonistic (anti-estrogenic and anti-androgenic) potential did not show a clear elimination pattern after ozone treatment independent of the applied ozone dosage and control system. Therefore, further investigations are required regarding the antagonistic potential. Additionally, preloading of the receiving stream was found during the study period. One significant impact is a rain overflow basin (ROB) located upstream of the WWTP effluent. The highest endocrine potential was found after a ROB overflow (2.7 ng EEQ/L, 2.4 μg TMX-EQ/L, 104 μg FLU-EQ/L), suggesting that such runoff events after a heavy rainfall may act as a driver of endocrine loading to the water body. This manuscript contributes significantly to the basic understanding of the efficiency of eliminating the endocrine potential of ozone treatment by, e.g., showing that there is a further need for improving the removal efficiency of antagonistic potential. Moreover, it highlights the need to include other point sources, such as ROBs, to assess polluted surface waters comprehensively.
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Affiliation(s)
- Yvonne Wolf
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Aachen, Germany
| | - Sophie Oster
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Aachen, Germany; iES Institute for Environmental Science, University of Koblenz-Landau, Landau, Germany
| | - Aliaksandra Shuliakevich
- Department Evolutionary Ecology and Environmental Toxicology (E(3)T), Goethe-University Frankfurt, Frankfurt, Germany
| | | | - Regina Dolny
- Institute of Environmental Engineering, RWTH Aachen University, Aachen, Germany
| | - Volker Linnemann
- Institute of Environmental Engineering, RWTH Aachen University, Aachen, Germany
| | - Johannes Pinnekamp
- Institute of Environmental Engineering, RWTH Aachen University, Aachen, Germany
| | - Henner Hollert
- Department Evolutionary Ecology and Environmental Toxicology (E(3)T), Goethe-University Frankfurt, Frankfurt, Germany.
| | - Sabrina Schiwy
- Department Evolutionary Ecology and Environmental Toxicology (E(3)T), Goethe-University Frankfurt, Frankfurt, Germany
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Subba M, Keough MJ, Kellar C, Long S, Miranda A, Pettigrove VJ. Potamopyrgus antipodarum has the potential to detect effects from various land use activities on a freshwater ecosystem. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 287:117563. [PMID: 34147782 DOI: 10.1016/j.envpol.2021.117563] [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: 02/06/2021] [Revised: 05/17/2021] [Accepted: 06/06/2021] [Indexed: 06/12/2023]
Abstract
Identifying risks to ecosystems from contaminants needs a diversity of bioindicators, to understand the effects of these contaminants on a range of taxa. Molluscs are an ideal bioindicator because they are one of the largest phyla with extremely high ecological and economic importance. The aim of this study was to evaluate if laboratory bred Potamopyrgus antipodarum has the potential to show the impact of contaminants from various land use activities and degree of pollution on a freshwater ecosystem. We assessed the impact of contaminants arising from runoff and direct discharges in Merri Creek by measuring organism level responses (survival, growth, and reproduction), and sub-organism level responses (glutathione S-transferase (GST) activity, lipid peroxidation (LPO) activity and catalase (CAT) activity) in snails after 28-d of deployment at nine sites in Merri Creek and one site in Cardinia Creek. In Merri Creek, the top two sites were reference sites (with low impact from human activities), while the rest were impact sites (impacted by various anthropogenic land uses). Cardinia Creek (an additional reference site) had lower human activity. High concentrations of heavy metals, nutrients, and/or synthetic pyrethroids (bifenthrin) dominated these sites, which are likely to have contributed towards the negative responses observed in the snails. There was little influence from environmental conditions and site location on the endpoints because we found a similar response at an additional reference site compared to the reference sites in Merri Creek. At the organism level, reproduction increased and/or reduced, while CAT was affected at the sub-organism level. Potamopyrgus antipodarum has the potential to be a sensitive bioindicator for Australian conditions because the snails responded to varying concentrations of contaminants across different land use activities and showed similar sensitivity to P. antipodarum found in other regions of the globe and other bioindicators.
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Affiliation(s)
- Maita Subba
- Centre for Anthropogenic Pollution Impact and Management (CAPIM), School of Biosciences, University of Melbourne, Parkville, VIC, 3010, Australia.
| | - Michael J Keough
- Centre for Anthropogenic Pollution Impact and Management (CAPIM), School of Biosciences, University of Melbourne, Parkville, VIC, 3010, Australia
| | - Claudette Kellar
- Aquatic Environmental Stress Research Group (AQUEST), School of Science, RMIT University, PO Box 71, Bundoora, VIC, 3083, Australia
| | - Sara Long
- Aquatic Environmental Stress Research Group (AQUEST), School of Science, RMIT University, PO Box 71, Bundoora, VIC, 3083, Australia
| | - Ana Miranda
- Aquatic Environmental Stress Research Group (AQUEST), School of Science, RMIT University, PO Box 71, Bundoora, VIC, 3083, Australia
| | - Vincent J Pettigrove
- Aquatic Environmental Stress Research Group (AQUEST), School of Science, RMIT University, PO Box 71, Bundoora, VIC, 3083, Australia
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Leung HM, Yue PYK, Sze SCW, Au CK, Cheung KC, Chan KL, Lok HY, Li WC, Yung KKL. Behavioural toxicity studies of Cyclope neritea and Nassarius mutabilis exposed to polycyclic aromatic hydrocarbons. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:6695-6700. [PMID: 31865573 DOI: 10.1007/s11356-019-07250-z] [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: 07/09/2019] [Accepted: 12/02/2019] [Indexed: 06/10/2023]
Abstract
The objective of the work was to study behavioural change of Cyclope neritea (sea snail) and Nassarius mutabilis (land snail) upon exposure to different levels of PAHs. Snail's behaviour was translated and expressed in Behavioural State Score (BSS) where the score ranged from "0" to "5" points refers to the ascending level of locomotion of a snail. A significant difference was found in snail's behaviour in 25.0 mg/L than in 0.5 mg/L with p value smaller than 0.01. BSS scores appear most frequent on the treatment and control group were 5 (61.5-64.5%) and 2 (41.0-45.0%), respectively. Intersex behaviour was found in all species (i.e. the same sex was grouped together) regardless of PAH concentrations. This is the first reported to study the behavioural change of snail sampled in Hong Kong area when exposed to PAHs. Further studies should be carried on the impact of snail's behaviour exposure on each congener in the family of PAHs.
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Affiliation(s)
- Ho Man Leung
- Department of Biology, Hong Kong Baptist University, 224 Waterloo Road, Kowloon Tong, Hong Kong
| | - Patrick Ying Kit Yue
- Department of Biology, Hong Kong Baptist University, 224 Waterloo Road, Kowloon Tong, Hong Kong
| | - Stephen Cho Wing Sze
- Department of Biology, Hong Kong Baptist University, 224 Waterloo Road, Kowloon Tong, Hong Kong
| | - Chi Kin Au
- History Department, Hong Kong Shue Yan University, North Point, Hong Kong
| | - Kwai Chung Cheung
- Institute of Vocational Education, Hong Kong Vocational Training Council, Wan Chai, Hong Kong
| | - Ka Loi Chan
- Po Leung Kuk Ngan Po Ling College, Hung Hom, Hong Kong
| | - Ho Yiu Lok
- Po Leung Kuk Ngan Po Ling College, Hung Hom, Hong Kong
| | - Wai Chin Li
- Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, Hong Kong.
| | - Ken Kin Lam Yung
- Department of Biology, Hong Kong Baptist University, 224 Waterloo Road, Kowloon Tong, Hong Kong.
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4
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Lee S, Hong S, Liu X, Kim C, Jung D, Yim UH, Shim WJ, Khim JS, Giesy JP, Choi K. Endocrine disrupting potential of PAHs and their alkylated analogues associated with oil spills. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2017; 19:1117-1125. [PMID: 28783190 DOI: 10.1039/c7em00125h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) and alkylated PAHs are known to be major toxic contaminants in spills of petroleum hydrocarbons (oil). Spilled oil undergoes weathering and over time, PAHs go through a series of compositional changes. PAHs can disrupt endocrine functions, and the type of functions affected and associated potencies vary with the type and alkylation status of PAH. In this study, the potential of five major PAHs of crude oil, i.e., naphthalene, fluorene, dibenzothiophene, phenanthrene, and chrysene, and their alkylated analogues (n = 25), to disrupt endocrine functions was evaluated by use of MVLN-luc and H295R cell lines. In the MVLN-luc bioassay, seven estrogen receptor (ER) agonists were detected among 30 tested PAHs. The greatest ER-mediated potency was observed for 1-methylchrysene (101.4%), followed by phenanthrene and its alkylated analogues (range of %-E2max from 1.6% to 47.3%). In the H295R bioassay, significantly greater syntheses of steroid hormones were observed for 20 PAHs. For major PAHs and their alkylated analogues, disruption of steroidogenesis appeared to be more significant than ER-mediated effects. The number and locations of alkyl-moieties alone could not explain differences in the types or the potencies of toxicities. This observation shows that disruption of endocrine functions by some constituents of oil spills could be underestimated if only parent compounds are considered in assessments of hazard and risk.
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Affiliation(s)
- Sangwoo Lee
- School of Public Health, Seoul National University, Gwanak, Seoul, 08826, South Korea.
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Grilo TF, Rosa R. Intersexuality in aquatic invertebrates: Prevalence and causes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 592:714-728. [PMID: 28325592 DOI: 10.1016/j.scitotenv.2017.02.099] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 02/10/2017] [Accepted: 02/11/2017] [Indexed: 06/06/2023]
Abstract
This review is the first assembling information on intersexuality in aquatic invertebrates, from freshwater to estuarine and marine environments. Intersex is a condition whereby an individual of a gonochorist (separate sexes) species has oocytes or distinct stages of spermatogonia, at varying degrees of development, within the normal gonad of the opposite gender (i.e. spermatocytes in the ovary or oocytes in the testis), often involving alterations in the gonadal structure, reproductive tract or external genitalia. By the end of 2016 we found approximately 340 records of aquatic invertebrate species evidencing signs of intersexuality (or imposex), all comprised within the Phyla Mollusca and Arthropoda. Gastropod molluscs are by far the group with more examples documented (256 species), followed by crustaceans, i.e., decapods, copepods and amphipods. To our knowledge no further cases of intersexuality were known concerning other invertebrate taxa. Despite some reports suggesting that a baseline level of intersexuality may occur naturally in some populations, the causes are multifaceted and mostly linked with environmental contamination by estrogenic and organotin endocrine disrupting chemicals (EDCs), parasitism, and genetic/environmental sex determination abnormalities. A more comprehensive discussion about the origin of intersexuality, prevalence and causes, knowledge gaps and future research directions in the light of new omics scientific advances (genomics, proteomics and transcriptomics) is also provided. The lack of studies linking molecular responses of invertebrate intersex individuals to multiple stressors represents a true challenge to be further investigated in the future.
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Affiliation(s)
- Tiago F Grilo
- MARE - Marine and Environmental Sciences Centre, Laboratório Marítimo da Guia, Faculdade de Ciências da Universidade de Lisboa, Av. Nossa Senhora do Cabo 939, 2750-374 Cascais, Portugal.
| | - Rui Rosa
- MARE - Marine and Environmental Sciences Centre, Laboratório Marítimo da Guia, Faculdade de Ciências da Universidade de Lisboa, Av. Nossa Senhora do Cabo 939, 2750-374 Cascais, Portugal
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6
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Zhang Y, Dong S, Wang H, Tao S, Kiyama R. Biological impact of environmental polycyclic aromatic hydrocarbons (ePAHs) as endocrine disruptors. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 213:809-824. [PMID: 27038213 DOI: 10.1016/j.envpol.2016.03.050] [Citation(s) in RCA: 183] [Impact Index Per Article: 22.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 03/03/2016] [Accepted: 03/20/2016] [Indexed: 05/20/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are often detected in the environment and are regarded as endocrine disruptors. We here designated mixtures of PAHs in the environment as environmental PAHs (ePAHs) to discuss their effects collectively, which could be different from the sum of the constituent PAHs. We first summarized the biological impact of environmental PAHs (ePAHs) found in the atmosphere, sediments, soils, and water as a result of human activities, accidents, or natural phenomena. ePAHs are characterized by their sources and forms, followed by their biological effects and social impact, and bioassays that are used to investigate their biological effects. The findings of the bioassays have demonstrated that ePAHs have the ability to affect the endocrine systems of humans and animals. The pathways that mediate cell signaling for the endocrine disruptions induced by ePAHs and PAHs have also been summarized in order to obtain a clearer understanding of the mechanisms responsible for these effects without animal tests; they include specific signaling pathways (MAPK and other signaling pathways), regulatory mechanisms (chromatin/epigenetic regulation, cell cycle/DNA damage control, and cytoskeletal/adhesion regulation), and cell functions (apoptosis, autophagy, immune responses/inflammation, neurological responses, and development/differentiation) induced by specific PAHs, such as benz[a]anthracene, benzo[a]pyrene, benz[l]aceanthrylene, cyclopenta[c,d]pyrene, 7,12-dimethylbenz[a]anthracene, fluoranthene, fluorene, 3-methylcholanthrene, perylene, phenanthrene, and pyrene as well as their derivatives. Estrogen signaling is one of the most studied pathways associated with the endocrine-disrupting activities of PAHs, and involves estrogen receptors and aryl hydrocarbon receptors. However, some of the actions of PAHs are contradictory, complex, and unexplainable. Although several possibilities have been suggested, such as direct interactions between PAHs and receptors and the suppression of their activities through other pathways, the mechanisms underlying the activities of PAHs remain unclear. Thus, standardized assay protocols for pathway-based assessments are considered to be important to overcome these issues.
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Affiliation(s)
- Yanyan Zhang
- College of Urban and Environmental Sciences, Peking University, Beijing 100871, PR China
| | - Sijun Dong
- Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, PR China
| | - Hongou Wang
- Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, PR China
| | - Shu Tao
- College of Urban and Environmental Sciences, Peking University, Beijing 100871, PR China
| | - Ryoiti Kiyama
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8566, Japan.
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7
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Zounkova R, Jalova V, Janisova M, Ocelka T, Jurcikova J, Halirova J, Giesy JP, Hilscherova K. In situ effects of urban river pollution on the mudsnail Potamopyrgus antipodarum as part of an integrated assessment. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 150:83-92. [PMID: 24658013 DOI: 10.1016/j.aquatox.2014.02.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Revised: 02/07/2014] [Accepted: 02/27/2014] [Indexed: 06/03/2023]
Abstract
The freshwater mudsnail (Potamopyrgus antipodarum) is sensitive to toxicity of both sediment and water and also to the endocrine disrupting compounds (EDC) at environmentally relevant concentrations. This study determined effects of in situ exposure of P. antipodarum as a part of a complex assessment of the impact of a city metropolitan area with large waste water treatment plant (WWTP) for 0.5 million population equivalents on two urban rivers. The study combined the in situ biotest with detailed chemical analyses and a battery of in vitro bioassays of both sediment and water. Passive sampling of river water was conducted during the course of exposure of the mudsnail. P. antipodarum was exposed for 8 weeks in cages permeable to sediment and water at localities up- and down-stream of the city of Brno, Czech Republic and downstream of the WWTP in two rivers. Greater mortality and significantly decreased embryo production of P. antipodarum were observed immediately downstream of the city of Brno. P. antipodarum exposed at locations downstream of the metropolitan area and WWTP exhibited greater mortality, while numbers of embryos produced by surviving individuals were comparable or slightly greater than for individuals held at the least polluted location. Comparisons with results of chemical analysis and in vitro assays indicate occurrence of groups of compounds contributing to observed effects. Differences in mortalities of mudsnails among sites corresponded well with in vitro cytotoxicity and concentrations of metals. The results of this study confirm the applicability of this novel field biotest with P. antipodarum for the evaluation of the effects of river pollution on metazoans, especially as suitable in situ part of integrative contamination assessment.
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Affiliation(s)
- Radka Zounkova
- Masaryk University, Faculty of Science, RECETOX, Kamenice 753/5, 62500 Brno, Czech Republic
| | - Veronika Jalova
- Masaryk University, Faculty of Science, RECETOX, Kamenice 753/5, 62500 Brno, Czech Republic
| | - Martina Janisova
- Masaryk University, Faculty of Science, RECETOX, Kamenice 753/5, 62500 Brno, Czech Republic
| | - Tomas Ocelka
- Institute of Public Health, Partyzánské nám. 7, 70200 Ostrava, Czech Republic
| | - Jana Jurcikova
- Institute of Public Health, Partyzánské nám. 7, 70200 Ostrava, Czech Republic
| | - Jarmila Halirova
- Czech Hydrometeorological Institute, Kroftova 2578/43, 61600 Brno, Czech Republic
| | - John P Giesy
- Department Biomedical Veterinary Sciences and Toxicology Centre, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK S7N 5B4 Saskatchewan, Canada; Department of Zoology, and Center for Integrative Toxicology, Michigan State University, East Lansing, MI, USA; Department of Biology and Chemistry and State Key Laboratory in Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong Special Administrative Region; School of Biological Sciences, University of Hong Kong, Hong Kong Special Administrative Region; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, People's Republic of China
| | - Klara Hilscherova
- Masaryk University, Faculty of Science, RECETOX, Kamenice 753/5, 62500 Brno, Czech Republic.
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Scott AP. Do mollusks use vertebrate sex steroids as reproductive hormones? II. Critical review of the evidence that steroids have biological effects. Steroids 2013; 78:268-81. [PMID: 23219696 DOI: 10.1016/j.steroids.2012.11.006] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Revised: 10/22/2012] [Accepted: 11/02/2012] [Indexed: 01/02/2023]
Abstract
In assessing the evidence as to whether vertebrate sex steroids (e.g. testosterone, estradiol, progesterone) have hormonal actions in mollusks, ca. 85% of research papers report at least one biological effect; and 18 out of 21 review papers (published between 1970 and 2012) express a positive view. However, just under half of the research studies can be rejected on the grounds that they did not actually test steroids, but compounds or mixtures that were only presumed to behave as steroids (or modulators of steroids) on the basis of their effects in vertebrates (e.g. Bisphenol-A, nonylphenol and sewage treatment effluents). Of the remaining 55 papers, some can be criticized for having no statistical analysis; some for using only a single dose of steroid; others for having irregular dose-response curves; 40 out of the 55 for not replicating the treatments; and 50 out of 55 for having no within-study repetition. Furthermore, most studies had very low effect sizes in comparison to fish-based bioassays for steroids (i.e. they had a very weak 'signal-to-noise' ratio). When these facts are combined with the fact that none of the studies were conducted with rigorous randomization or 'blinding' procedures (implying the possibility of 'operator bias') one must conclude that there is no indisputable bioassay evidence that vertebrate sex steroids have endocrinological or reproductive roles in mollusks. The only observation that has been independently validated is the ability of estradiol to trigger rapid (1-5 min) lysosomal membrane breakdown in hemocytes of Mytilus spp. This is a typical 'inflammatory' response, however, and is not proof that estradiol is a hormone - especially when taken in conjunction with the evidence (discussed in a previous review) that mollusks have neither the enzymes necessary to synthesize vertebrate steroids nor nuclear receptors with which to respond to them.
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Affiliation(s)
- Alexander P Scott
- Centre for Environment, Fisheries and Aquaculture Science, Weymouth, Dorset, UK.
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9
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Schmitt C, LaMoree M, Leonards P, Weiss JM, de Deckere E. In vivo effect confirmation of anti-androgenic compounds in sediment contact tests with Potamopyrgus antipodarum. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2013; 48:475-480. [PMID: 23383631 DOI: 10.1080/10934529.2013.730387] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
In order to investigate the sensitivity of Potamopyrgus antipodarum to anti-androgenic compounds, three spiked sediment tests were performed. The substances benzanthrone (7H-benz[de]anthracen-7-one), traseolide (ATII) and androstenone (5α-Androst-16-en-3-one) were previously identified in an effect-directed analysis study of the river Schijn in the north of Belgium. Although, in previous studies, all of the three compounds exhibited anti-androgenic activities in vitro, only the oxy-PAH benzanthrone had significant stimulating effects on the snails' reproduction. The reproduction of P. antipodarum was significantly stimulated, following a sigmoidal dose response curve, whereby an EC(50) of 10 ng/g dry sediment was calculated. Mortality was significantly increased at the highest concentration (69 ng/g dry sediment). The results indicate different relative potencies for the in vivo test with P. antipodarum and the in vitro anti-AR-CALUX assay, performed in a previous study. This highlights the importance of combined in vitro and in vivo assays for the effect assessment of field sediments.
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Affiliation(s)
- Claudia Schmitt
- University of Antwerp, Ecosystem Management Research Group, Wilrijk, Belgium.
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Dummee V, Kruatrachue M, Trinachartvanit W, Tanhan P, Pokethitiyook P, Damrongphol P. Bioaccumulation of heavy metals in water, sediments, aquatic plant and histopathological effects on the golden apple snail in Beung Boraphet reservoir, Thailand. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2012; 86:204-212. [PMID: 23079739 DOI: 10.1016/j.ecoenv.2012.09.018] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2012] [Revised: 09/13/2012] [Accepted: 09/19/2012] [Indexed: 06/01/2023]
Abstract
Changes in the seasonal concentrations of heavy metals (Cu, Mn, Fe, Zn, Pb and Cd) were determined in water, sediments, snails (Pomacea canaliculata) and aquatic plants (Ipomoea aquatica) in three selected tributaries of the Beung Boraphet reservoir, Nakhon Sawan Province, central Thailand. Only Fe, Cu, Mn and Zn were detected by FAAS in all samples collected. The water quality of Beung Boraphet was medium clean with Fe, Mn, Cu and Zn concentrations well below internationally accepted limits. According to the criteria proposed for sediments by the EPA Region V, Zn and Mn concentrations were within the non-polluted range while Fe and Cu (wet season) concentrations fell into the class of severely polluted sediment. Both P. canaliculata and I. aquatica bioconcentrated more Mn in their tissues than were found in sediments, especially in the wet season. The results of Pearson correlation study and BCF values also indicated similar findings. Only Mn showed the importance of sediment-to-snail concentration and high BCF values in both snails and plants. P. canaliculata exposed to contaminated sediment for two months, showed higher accumulation of metals (Fe, Mn, Cu and Zn) in the digestive tracts and digestive glands than in the foot muscles. Histopathological changes included alterations in the epithelial lining of the digestive tracts, digestive glands and the gills. Loss of cilia and increase in mucous cells were observed in the digestive tracts and gills, while the digestive glands exhibited an increase of dark granules and basophilic cells, and dilation of digestive cells. The results indicated that both P. canaliculata and I. aquatica could be used as biomonitors of sedimentary metal contamination for the Beung Boraphet reservoir.
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Affiliation(s)
- Vipawee Dummee
- Department of Biology, Faculty of Science, Mahidol University, Rama VI Road, Rachadhavi, Bangkok 10400, Thailand
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Dabrin A, Durand CL, Garric J, Geffard O, Ferrari BJD, Coquery M. Coupling geochemical and biological approaches to assess the availability of cadmium in freshwater sediment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2012; 424:308-315. [PMID: 22446110 DOI: 10.1016/j.scitotenv.2012.02.069] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2011] [Revised: 01/27/2012] [Accepted: 02/24/2012] [Indexed: 05/31/2023]
Abstract
Sediments are considered as a sink for metals, and the assessment of metal bioavailability for benthic organisms represents a great challenge. Diffusive Gradient in Thin films (DGT), developed to measure labile metals in aquatic media, have more recently been applied to sediment. Nevertheless, few studies have determined the relation between measurements from DGT and bioaccumulation in different benthic organisms. The aim of our work was to determine if labile metal measured by DGT in sediment is representative of bioavailable metal for benthic organisms. We focused our work on Cd and chose to use the diversity of ecological traits from different organisms to better understand the measurement given by DGT. We exposed simultaneously DGT and 3 macroinvertebrates species (the chironomid, Chironomus riparius; the amphipod, Gammarus fossarum; the mudsnail, Potamopyrgus antipodarum) to a natural sediment Cd-spiked at environmental relevant concentrations. The nature of sediment-bound Cd was also determined by means of sequential extractions in order to better interpret DGT measurements. Cadmium concentrations were determined in DGT and in the 3 organisms after one week of exposure. Results provided by DGT indicated that Cd was poorly released from particulate phase to pore water, suggesting that Cd measured by DGT was representative of the pore water labile fraction. Sequential extractions showed that the percentage of Cd bound to carbonate fraction increased simultaneously with Cd-spiking level; hence, this Cd fraction was poorly reactive to supply DGT demand. Cadmium accumulation rates were similar between DGT measurements and P. antipodarum, suggesting that labile Cd in pore waters was representative of bioavailable Cd for this species. Cadmium accumulation rates in C. riparius were higher than in DGT, demonstrating that C. riparius can mobilize Cd bound to carbonate phase. G. fossarum showed the lowest Cd accumulation rates, suggesting that they were mainly exposed to Cd from overlaying waters.
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Affiliation(s)
- Aymeric Dabrin
- Cemagref, UR MALY, 3bis quai Chauveau, CP 220, F-69336 Lyon, France.
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12
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Sawasdee B, Köhler HR, Triebskorn R. Histopathological effects of copper and lithium in the ramshorn snail, Marisa cornuarietis (Gastropoda, Prosobranchia). CHEMOSPHERE 2011; 85:1033-1039. [PMID: 21840034 DOI: 10.1016/j.chemosphere.2011.07.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2011] [Revised: 07/13/2011] [Accepted: 07/18/2011] [Indexed: 05/31/2023]
Abstract
The aim of this study was to determine and quantify effects of copper and lithium in tissues of early juveniles of the ramshorn snail, Marisa cornuarietis. For this purpose, hatchlings of M. cornuarietis were exposed for 7d ays to a range of five different sublethal concentrations of copper (5, 10, 25, 50, and 75 μg Cu²⁺L⁻¹) and lithium (50, 100, 200, 1000, and 5000 μg Li⁺ L⁻¹). Both metals changed the tissue structure of epidermis, hepatopancreas, and gills, varying between slight and strong reactions, depending on the copper and lithium concentration. The histopathological changes included alterations in epithelial and mucous cells of the epidermis, swelling of hepatopancreatic digestive cells, alterations in the number of basophilic cells, abnormal apices of digestive cells, irregularly shaped cilia and changes in the amount of mucus in the gills. The most sensible organ in M. cornuarietis indicating Cu or Li pollution is the hepatopancreas (LOECs were 10 μg Cu²⁺ L⁻¹, or 200 μg Li⁺ L⁻¹). In epidermis, mantle and gills relevant effects occurred with higher LOECs (50 μg Cu²⁺ L⁻¹, or 1000 μg Li⁺ L⁻¹). Base on LOECs, our results indicated that histopathological endpoints are high sensitivity to copper and lithium compared to endpoints for embryonic developmental toxicity.
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Affiliation(s)
- Banthita Sawasdee
- Animal Physiological Ecology, University of Tübingen, Tübingen, Germany.
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Sieratowicz A, Stange D, Schulte-Oehlmann U, Oehlmann J. Reproductive toxicity of bisphenol A and cadmium in Potamopyrgus antipodarum and modulation of bisphenol A effects by different test temperature. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2011; 159:2766-2774. [PMID: 21737193 DOI: 10.1016/j.envpol.2011.05.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2011] [Revised: 05/12/2011] [Accepted: 05/13/2011] [Indexed: 05/31/2023]
Abstract
An OECD initiative for the development of mollusc-based toxicity tests for endocrine disrupters and other chemicals has recommended three test species with respective test designs for further standardisation. Preparing a subsequent pre-validation study we performed a reproduction test with Potamopyrgus antipodarum, determining the concentration range of the selected test substances, bisphenol A (BPA) and cadmium (Cd). At 16 °C, the recommended test temperature, the number of embryos in the brood pouch was increased by BPA and decreased by Cd (NOEC: 20 μg BPA/L and 1 μg Cd/L). Coinstantaneous BPA tests at 7 °C and 25 °C demonstrated a temperature dependency of the response, resulting in lower NOECs (5 μg/L respectively). As expected, reproduction in control groups significantly varied depending on temperature. Additional observations of the brood stock showed seasonal fluctuations in reproduction under constant laboratory conditions. The recommended temperature range and test conditions have to be further investigated.
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Affiliation(s)
- Agnes Sieratowicz
- Department of Aquatic Ecotoxicology, Johann Wolfgang Goethe University Frankfurt am Main, Siesmayerstrasse 70, 60323 Frankfurt, Germany.
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14
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Gust M, Mouthon J, Queau H, Dussart C, Buronfosse T, Garric J. Natural variability and response interpretation of fecundity, vertebrate-like sex-steroid levels and energy status in the New Zealand mudsnail Potamopyrgus antipodarum (Gray). Gen Comp Endocrinol 2011; 172:243-50. [PMID: 21420970 DOI: 10.1016/j.ygcen.2011.03.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2011] [Revised: 02/28/2011] [Accepted: 03/13/2011] [Indexed: 12/23/2022]
Abstract
Potamopyrgus antipodarum is a promising test organism that is often used in ecotoxicology, both in laboratory and field exposures. As no data are available on the physiological variation range of its life-traits and the biomarkers it uses, we studied the variation of fecundity, steroid levels and energy reserves over the course of a year in a field population. The reproductive cycle was described and showed seasonal activity during summer and autumn. Steroid levels (17β-estradiol and testosterone) varied significantly during the year and were correlated with the reproductive cycle, which suggested a potential role for sex-steroids in P. antipodarum reproduction. Energy status also showed seasonal variations. Triglycerides (TG) seemed to be the main energy lipid, whereas cholesterol appeared to be mostly used as a structural lipid. Proteins were also involved in the reproductive cycle, but only when TG were not sufficient to support the reproductive strain, similar to cholesterol. Glycogen seemed to be used as an early reserve. Threshold values under which no reproduction occurred were defined in starved snails. We proposed a range of variation in the measured parameters, allowing for a better understanding and interpretation of their levels during laboratory or in situ exposures. The data suggest that the variability of fecundity in snails has not been fully appreciated in literature.
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Affiliation(s)
- M Gust
- Cemagref, UR MALY, Ecotoxicology Laboratory, Lyon, France.
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15
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Gust M, Buronfosse T, André C, Mons R, Gagné F, Garric J. Is exposure temperature a confounding factor for the assessment of reproductive parameters of New Zealand mudsnails Potamopyrgus antipodarum (Gray)? AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2011; 101:396-404. [PMID: 21216350 DOI: 10.1016/j.aquatox.2010.11.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2010] [Revised: 11/15/2010] [Accepted: 11/23/2010] [Indexed: 05/30/2023]
Abstract
Potamopyrgus antipodarum is a promising test organism often used in ecotoxicology testing, both in laboratory and in field exposure experiments. It has been recommended for use in the development of an OECD reproduction test. However, exposure temperature is important to take into account when assessing reproduction and related biomarkers, because it can act as a confounding factor inducing variability in physiological values. The effect of three environmentally realistic exposure temperatures (8, 16 and 24°C) was examined with respect to the number of neonates born, the number of embryos in the brood pouch and the duration of embryonic development. We also measured additional markers likely to be related to the modulation of reproductive performance, such as vertebrate-like sex steroid, energy status and vitellin-like proteins. Exposure temperature had a significant effect on reproduction in P. antipodarum, on both the duration of embryonic development and the quantity of embryos and neonates. The consequences of these observations must not be neglected when using this species in laboratory and field experiments. This study determined suitable temperatures for field experiments and a mean duration for embryonic development independent of temperature. In addition to steroid levels, energy status and Vn-like protein levels were only slightly modified by exposure temperature between 8 and 24°C. Thus, they can be easily implemented and their variations related to anthropogenic factors during field exposure of mudsnails.
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Affiliation(s)
- M Gust
- Cemagref, UR MALY, Laboratoire d'écotoxicologie, 3b quai Chauveau, 69009 Lyon, France
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16
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Hamers T, Leonards PEG, Legler J, Vethaak AD, Schipper CA. Toxicity profiling: An integrated effect-based tool for site-specific sediment quality assessment. INTEGRATED ENVIRONMENTAL ASSESSMENT AND MANAGEMENT 2010; 6:761-773. [PMID: 20872654 DOI: 10.1002/ieam.75] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
A toxicity profile is a toxicological "fingerprint" of an environmental sample, obtained by testing its extract in a battery of bioassays. Each represents a different mode of action. The present work explores the applicability of in vitro toxicity profiles as an effect-based tool for sediment quality assessment. For this purpose, a previously published dataset was used, in which sediment extracts from 15 different locations in the Rhine-Meuse estuary were tested in 5 different bioassays. Three useful approaches could be distinguished for applying toxicity profiles in sediment quality assessment. In the first approach, toxicity profiles are translated into hazard profiles, indicating the relative distance to the desired or acceptable sediment quality status for each toxic mode of action. Hazard profiles can be considered as location-specific characteristics; sampling locations with similar hazard profiles can be classified into clusters. This approach seems directly applicable but requires a very careful selection of a reference toxicity profile that is either measured at a reference location or is designated as a desirable or acceptable toxicity profile for that particular location. In the second approach, toxicity profiles are translated into ecological risk profiles indicating for each toxic mode of action the ratio between the actual measured bioassay response and the bioassay response level that is considered safe for environmental health. This approach has a high ecological relevance but is only feasible for a few modes of action for which toxicity data are available at the ecological level of population or higher that allow derivation of ecologically safe bioassay responses for sediment extracts. In the third approach, toxicity profiles and their derived hazard profiles are used to select samples with unusually or unexpectedly high bioassay responses for further in-depth effect-directed analysis (EDA). EDA is a powerful strategy to identify emerging compounds that contribute significantly to the toxic load on the environment. EDA is an expensive and laborious strategy, however, making it currently suitable only for investigative monitoring on a limited scale and not for routine monitoring. Future perspectives in toxicity profiling include expansion of the battery of bioassays with test methods that cover other toxic endpoints or multiple endpoints, are high throughput, and improve the ecological relevance.
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Affiliation(s)
- Timo Hamers
- Institute for Environmental Studies, VU University Amsterdam, The Netherlands.
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Schmitt C, Vogt C, Van Ballaer B, Brix R, Suetens A, Schmitt-Jansen M, de Deckere E. In situ cage experiments with Potamopyrgus antipodarum--a novel tool for real life exposure assessment in freshwater ecosystems. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2010; 73:1574-1579. [PMID: 20674024 DOI: 10.1016/j.ecoenv.2010.07.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2010] [Revised: 05/29/2010] [Accepted: 07/12/2010] [Indexed: 05/29/2023]
Abstract
In situ experiments are an important tool within ecotoxicological research but there is a lack of suitable methodologies especially for freshwater invertebrate species. Within this study, a novel in situ methodology with Potamopyrgus antipodarum was developed. Snails were inserted into cages, made of Plexiglas measuring 7 × 9 × 7 cm(3) and fixed with stainless steel pins into the sediment at the relevant sampling sites. During the experiment physico-chemical properties of the water and concentrations of metals, PAHs and PCBs were measured in the sediment. The growth and survival of the snails was not affected, but the reproduction increased significantly at one of the most polluted sites. The increase in reproduction was neither correlated with physico-chemical parameters, nor with the concentrations of the different compounds, but maybe related to certain groups of estrogenic compounds. The study demonstrates the excellent applicability of this novel in situ test.
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Affiliation(s)
- Claudia Schmitt
- University of Antwerp, Department of Biology, Ecosystem Management Research Group, Universiteitsplein 1, 2610 Wilrijk, Belgium.
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Weiss JM, Hamers T, Thomas KV, van der Linden S, Leonards PEG, Lamoree MH. Masking effect of anti-androgens on androgenic activity in European river sediment unveiled by effect-directed analysis. Anal Bioanal Chem 2009; 394:1385-97. [PMID: 19418041 PMCID: PMC2694927 DOI: 10.1007/s00216-009-2807-8] [Citation(s) in RCA: 85] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2009] [Revised: 04/14/2009] [Accepted: 04/16/2009] [Indexed: 11/08/2022]
Abstract
This study shows that the androgen receptor agonistic potency is clearly concealed by the effects of androgen receptor antagonists in a total sediment extract, demonstrating that toxicity screening of total extracts is not enough to evaluate the full in vitro endocrine disrupting potential of a complex chemical mixture, as encountered in the environment. The anti-androgenic compounds were masking the activity of androgenic compounds in the extract with relatively high anti-androgenic potency, equivalent to 200 nmol flutamide equivalents/g dry weight. A two-step serial liquid chromatography fractionation of the extract successfully separated anti-androgenic compounds from androgenic compounds, resulting in a total androgenic potency of 3,820 pmol dihydrotestosterone equivalents/g dry weight. The fractionation simplified the chemical identification analysis of the original complex sample matrix. Seventeen chemical structures were tentatively identified. Polyaromatic hydrocarbons, a technical mixture of nonylphenol and dibutyl phthalate were identified to contribute to the anti-androgenic potency observed in the river sediment sample. With the GC/MS screening method applied here, no compounds with AR agonistic disrupting potencies could be identified. Seventy-one unidentified peaks, which represent potentially new endocrine disrupters, have been added to a database for future investigation.
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Affiliation(s)
- Jana M Weiss
- Institute for Environmental Studies (IVM), Faculty of Earth and Life Sciences, VU University, De Boelelaan 1087, 1081 HV Amsterdam, The Netherlands
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