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Dasmahapatra AK, Williams CB, Myla A, Tiwary SK, Tchounwou PB. A systematic review of the evaluation of endocrine-disrupting chemicals in the Japanese medaka ( Oryzias latipes) fish. FRONTIERS IN TOXICOLOGY 2023; 5:1272368. [PMID: 38090358 PMCID: PMC10711633 DOI: 10.3389/ftox.2023.1272368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 10/10/2023] [Indexed: 02/01/2024] Open
Abstract
Japanese medaka (Oryzias latipes) is an acceptable small laboratory fish model for the evaluation and assessment of endocrine-disrupting chemicals (EDCs) found in the environment. In this research, we used this fish as a potential tool for the identification of EDCs that have a significant impact on human health. We conducted an electronic search in PubMed (http://www.ncbi.nlm.nih.gov/pubmed) and Google Scholar (https://scholar.google.com/) using the search terms, Japanese medaka, Oryzias latipes, and endocrine disruptions, and sorted 205 articles consisting of 128 chemicals that showed potential effects on estrogen-androgen-thyroid-steroidogenesis (EATS) pathways of Japanese medaka. From these chemicals, 14 compounds, namely, 17β-estradiol (E2), ethinylestradiol (EE2), tamoxifen (TAM), 11-ketotestosterone (11-KT), 17β-trenbolone (TRB), flutamide (FLU), vinclozolin (VIN), triiodothyronine (T3), perfluorooctanoic acid (PFOA), tetrabromobisphenol A (TBBPA), terephthalic acid (TPA), trifloxystrobin (TRF), ketoconazole (KTC), and prochloraz (PCZ), were selected as references and used for the identification of apical endpoints within the EATS modalities. Among these endpoints, during classification, priorities are given to sex reversal (masculinization of females and feminization of males), gonad histology (testis-ova or ovotestis), secondary sex characteristics (anal fin papillae of males), plasma and liver vitellogenin (VTG) contents in males, swim bladder inflation during larval development, hepatic vitellogenin (vtg) and choriogenin (chg) genes in the liver of males, and several genes, including estrogen-androgen-thyroid receptors in the hypothalamus-pituitary-gonad/thyroid axis (HPG/T). After reviewing 205 articles, we identified 108 (52.68%), 46 (22.43%), 19 (9.26%), 22 (17.18%), and 26 (12.68%) papers that represented studies on estrogen endocrine disruptors (EEDs), androgen endocrine disruptors (AEDs), thyroid endocrine disruptors (TEDs), and/or steroidogenesis modulators (MOS), respectively. Most importantly, among 128 EDCs, 32 (25%), 22 (17.18%), 15 (11.8%), and 14 (10.93%) chemicals were classified as EEDs, AEDs, TEDs, and MOS, respectively. We also identified 43 (33.59%) chemicals as high-priority candidates for tier 2 tests, and 13 chemicals (10.15%) show enough potential to be considered EDCs without any further tier-based studies. Although our literature search was unable to identify the EATS targets of 45 chemicals (35%) studied in 60 (29.26%) of the 205 articles, our approach has sufficient potential to further move the laboratory-based research data on Japanese medaka for applications in regulatory risk assessments in humans.
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Affiliation(s)
- Asok K. Dasmahapatra
- RCMI Center for Environmental Health, Jackson State University, Jackson, MS, United States
- Department of BioMolecular Sciences, School of Pharmacy, University of Mississippi, University, MS, United States
| | - Charmonix B. Williams
- RCMI Center for Environmental Health, Jackson State University, Jackson, MS, United States
| | - Anitha Myla
- RCMI Center for Environmental Health, Jackson State University, Jackson, MS, United States
| | - Sanjay K. Tiwary
- RCMI Center for Environmental Health, Jackson State University, Jackson, MS, United States
| | - Paul. B. Tchounwou
- RCMI Center for Environmental Health, Jackson State University, Jackson, MS, United States
- RCMI Center for Urban Health Disparities Research and Innovation, Morgan State University, Baltimore, MD, United States
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Cunha SC, Menezes-Sousa D, Mello FV, Miranda JAT, Fogaca FHS, Alonso MB, Torres JPM, Fernandes JO. Survey on endocrine-disrupting chemicals in seafood: Occurrence and distribution. ENVIRONMENTAL RESEARCH 2022; 210:112886. [PMID: 35150711 DOI: 10.1016/j.envres.2022.112886] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 01/31/2022] [Accepted: 02/01/2022] [Indexed: 06/14/2023]
Abstract
Currently, the presence of endocrine disrupting chemicals (EDCs) in the marine environment pose а potential risk to both wildlife and human health. The occurrence of EDCs in seafood depends of several factors such as source and amounts of EDCs that reach the aquatic environment, physicochemical features of EDCs, and its accumulation in trophic chain. This review highlights the occurrence and distribution of EDCs along the seafood in the last 6 years. The following EDCs were included in this review: brominated flame retardants (PBDEs, PBBs, HBCDDs, TBBPA, and novel flame retardants); pharmaceuticals (paracetamol, ibuprofen, diclofenac, carbamazepine), bisphenols, hormones, personal care products (Musk and UV Filters), and pesticides (organochlorides, organophosphates, and pyrethroids). Some of them were found above the threshold that may cause negative effects on human, animal, and environmental health. More control in some countries, as well as new legislation and inspection over the purchase, sale, use, and production of these compounds, are urgently needed. This review provides data to support risk assessment and raises critical gaps to stimulate and improve future research.
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Affiliation(s)
- Sara C Cunha
- LAQV-REQUIMTE, Laboratory of Bromatology and Hydrology, Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313, Porto, Portugal.
| | - Dhoone Menezes-Sousa
- LAQV-REQUIMTE, Laboratory of Bromatology and Hydrology, Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313, Porto, Portugal; Micropollutants Laboratory Jan Japenga, Instituto de Biofisica Carlos Chagas Filho, Universidade Federal Do Rio de Janeiro. Av. Carlos Chagas Filho, 373 - CCS - Bl. G, 21941-902, Rio de Janeiro, RJ, Brazil
| | - Flávia V Mello
- LAQV-REQUIMTE, Laboratory of Bromatology and Hydrology, Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313, Porto, Portugal; Micropollutants Laboratory Jan Japenga, Instituto de Biofisica Carlos Chagas Filho, Universidade Federal Do Rio de Janeiro. Av. Carlos Chagas Filho, 373 - CCS - Bl. G, 21941-902, Rio de Janeiro, RJ, Brazil
| | - Joyce A T Miranda
- LAQV-REQUIMTE, Laboratory of Bromatology and Hydrology, Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313, Porto, Portugal; Micropollutants Laboratory Jan Japenga, Instituto de Biofisica Carlos Chagas Filho, Universidade Federal Do Rio de Janeiro. Av. Carlos Chagas Filho, 373 - CCS - Bl. G, 21941-902, Rio de Janeiro, RJ, Brazil
| | - Fabiola H S Fogaca
- Bioacessiblity Laboratory, Embrapa Agroindustria de Alimentos, Av. Das Americas, 29501, 23020-470, Guaratiba, Rio de Janeiro, RJ, Brazil
| | - Mariana B Alonso
- Micropollutants Laboratory Jan Japenga, Instituto de Biofisica Carlos Chagas Filho, Universidade Federal Do Rio de Janeiro. Av. Carlos Chagas Filho, 373 - CCS - Bl. G, 21941-902, Rio de Janeiro, RJ, Brazil
| | - João Paulo M Torres
- Micropollutants Laboratory Jan Japenga, Instituto de Biofisica Carlos Chagas Filho, Universidade Federal Do Rio de Janeiro. Av. Carlos Chagas Filho, 373 - CCS - Bl. G, 21941-902, Rio de Janeiro, RJ, Brazil
| | - José O Fernandes
- LAQV-REQUIMTE, Laboratory of Bromatology and Hydrology, Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313, Porto, Portugal
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Beltrán EM, González-Doncel M, García-Mauriño JE, Hortigüela PG, Pablos MV. Effects of life cycle exposure to dietary 2,2', 4,4'-tetrabromodiphenyl ether (BDE-47) on medaka fish (Oryzias latipes). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 245:106133. [PMID: 35279506 DOI: 10.1016/j.aquatox.2022.106133] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 02/08/2022] [Accepted: 03/03/2022] [Indexed: 06/14/2023]
Abstract
Previous studies conducted in our laboratory, which resorted to 40-day oral exposures to BDE-47 in specific developmental windows of medaka (Oryzias latipes) did not evidence effects on growing or breeding periods. In this new study, full life cycle (i.e. 140-day) dietary exposure to 1000 ng of BDE-47/g was performed with medaka to evaluate effects on growth and reproduction (i.e. fecundity, fertility, hatchability), and to analyze the bioacumulated BDE-47 in and transferred to offspring. No significant effects were observed for the biometric analyses during the growth and maturation periods and no biased sex ratios were found. Reproductive capacity was not affected by the presence of BDE-47 in diet. There was no evidence for apparent effects from parental exposure during embryo and eleutheroembryo development. The analytical results revealed steady BDE-47 bioaccumulation during the growing period, which remained in the reproductive phase in males, and a decreasing tendency was noted in females. These lowering BDE-47 levels in females coincided with the detected BDE-47 levels offloaded in embryos. In the 10-day-old post-hatch larvae, the BDE-47 concentrations dropped to comparatively lower values than the concentrations detected in parents. This finding suggests an efficient metabolic process in the eleutheroembryonic and post-eleutheroembryonic phases. Our 140-day dietary approach found no BDE-47 effects on medaka growth and reproduction, or in early progeny stages despite effective bioaccumulation and maternal transfer.
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Affiliation(s)
- Eulalia María Beltrán
- Laboratory of Ecotoxicology, Department of the Environment, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), A-6, Km. 7.5, E-28040 Madrid, Spain.
| | - Miguel González-Doncel
- Laboratory of Ecotoxicology, Department of the Environment, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), A-6, Km. 7.5, E-28040 Madrid, Spain
| | - José Enrique García-Mauriño
- Department of Cell Biology, School of Medicine, Complutense University, Ciudad Universitaria, E- 28040 Madrid, Spain
| | - Pilar García Hortigüela
- Laboratory of Ecotoxicology, Department of the Environment, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), A-6, Km. 7.5, E-28040 Madrid, Spain
| | - María Victoria Pablos
- Laboratory of Ecotoxicology, Department of the Environment, National Institute for Agricultural and Food Research and Technology (INIA-CSIC), A-6, Km. 7.5, E-28040 Madrid, Spain
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Zhang X, Sun Y, Gao Y, Liu Z, Ding J, Zhang C, Liu W, Zhang H, Zhuang S. Thyroid Dysfunction of Zebrafish ( Danio rerio) after Early-Life Exposure and Discontinued Exposure to Tetrabromobiphenyl (BB-80) and OH-BB-80. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:2519-2528. [PMID: 35075897 DOI: 10.1021/acs.est.1c07767] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
3,3',5,5'-Tetrabromobiphenyl (BB-80) was once used as additive flame retardants. Whether its early exposure and discontinued exposure alter thyroid function remains unknown. We investigate adverse effects after early-life exposure and discontinued exposure to BB-80 and hydroxylated BB-80 (OH-BB-80) on thyroid hormone (TH) levels, thyroid tissue, and transcriptome profiles in zebrafish larvae. BB-80 at 10 μg/L induces pathological changes of thyroid with reduced thyroid follicles in larvae (P < 0.05), whereas OH-BB-80 significantly increases T4 and T3 contents (1.8 and 2.5 times of the control, P < 0.05) at 14 days postfertilization (dpf) without morphological thyroid alterations. BB-80 and OH-BB-80 cause transcriptome aberrations with key differentially expressed genes involved in the disruption of TH synthesis and signal transduction (BB-80 at 14 dpf) or TH pathway activation (OH-BB-80 at 21 dpf). After 7 days of discontinued exposure, thyroglobulin (tg) and thyroid peroxidase (tpo) genes are downregulated (P < 0.05) by 52 and 48% for BB-80 and by 49 and 39% for OH-BB-80, respectively; however, the whole-body TH levels fail to fully recover, and the locomotor activity is impaired more by BB-80. Our results indicate significant adverse impacts of BB-80 and OH-BB-80 on TH homeostasis and thyroid function of zebrafish.
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Affiliation(s)
- Xiaofang Zhang
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310018, China
| | - Yumiao Sun
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Yuchen Gao
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhiquan Liu
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310018, China
| | - Jiafeng Ding
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310018, China
| | - Chunlong Zhang
- Department of Environmental Sciences, University of Houston, Clear Lake, Texas 77058, United States
| | - Weiping Liu
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Hangjun Zhang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310018, China
| | - Shulin Zhuang
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China
- National Demonstration Center for Experimental Environment and Resources Education, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, National Demonstration Center for Experimental Environment and Resources Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
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Dionne E, Hanson ML, Anderson JC, Brain RA. Chronic toxicity of technical atrazine to the fathead minnow (Pimephales promelas) during a full life-cycle exposure and an evaluation of the consistency of responses. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 755:142589. [PMID: 33065508 DOI: 10.1016/j.scitotenv.2020.142589] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/12/2020] [Accepted: 09/21/2020] [Indexed: 06/11/2023]
Abstract
Fathead minnows (Pimephales promelas) were continuously exposed to the herbicide atrazine (0.15, 0.25, 0.46, 0.99, and 2.0 mg a.i./L, plus dilution water and solvent controls) for a complete life cycle (274 days). Concentrations of atrazine up to 2.0 mg a.i./L did not significantly reduce hatching success, larval survival at 30 or 60 days post-hatch, or reproduction (eggs/spawn, total eggs, spawns/female, or eggs/female) in the F0 generation. However, at 60 days of exposure, total length and total survival to study completion were significantly reduced in ≥0.46 mg a.i./L and ≥ 0.99 mg a.i./L treatments, respectively. In the F1 generation, hatchability of embryos at ≥0.25 mg a.i./L (range 74-82%) was significantly less than that of pooled control organisms (86%). Following 30 days' post-hatch exposure, F1 survival was not significantly different from pooled control for any treatment. Finally, tissues representing major life stages had bioconcentration factors ranging from 3.7× (F1 embryos, <24 h) to 8.5× (F0 adults), indicating little to no evidence of bioconcentration. We developed a series of questions to assess the consistency of observed responses in order to place the data in context with the wider available and relevant literature (e.g., Observed between studies? Observed between species? Observed at lower levels of biological organization?). The analysis for consistency supports the conclusion that atrazine does not pose a significant chronic risk to freshwater fish in terms of growth, reproduction, or survivorship at concentrations of up to at least 100 μg/L.
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Affiliation(s)
| | - Mark L Hanson
- Department of Environment and Geography, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Julie C Anderson
- Department of Environment and Geography, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
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Li JB, Li YY, Shen YP, Zhu M, Li XH, Qin ZF. 2,2',4,4'-tetrabromodipheny ether (BDE-47) disrupts gonadal development of the Africa clawed frog (Xenopus laevis). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 221:105441. [PMID: 32045789 DOI: 10.1016/j.aquatox.2020.105441] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 01/22/2020] [Accepted: 02/04/2020] [Indexed: 06/10/2023]
Abstract
Previous studies have shown that BDE-47, one of the most abundant polybrominated diphenyl ethers (PBDEs) congeners, has a weak estrogenic activity, but it has remained unclear whether BDE-47 disrupts gonadal development and causes male-to-female sex reversal in lower vertebrates, with limited and controversial data. The present study aimed to determine the effects of BDE-47 on gonadal development in Xenopus laevis, a model amphibian species for studying adverse effects of estrogenic chemicals on reproductive development. X. laevis at stage 45/46 were exposed to BDE-47 (0.5, 5, 50 nM) in semi-static system, with 1 nM 17β-estradiol (E2) as the positive control. When reaching stage 53, tadpoles were examined for gonadal morphology, histology and sex-dimorphic gene expression. The phenotypic sex (gonadal morphology and histology) of each BDE-47-treated tadpole matched its genetic sex, showing no sex-reversal, whereas one half of genetic males treated with E2 displayed ovarian-like features. However, some genetic males (26%) in the 50 nM BDE-47 treatment group were found to contain more germ cells clumping together in the medulla, along with an increasing tendency of the gonad length/kidney length ratio in males, resembling feminizing outcomes of E2. These observations seem to suggest that BDE-47 exerted weak feminizing effects. However, BDE-47 induced increases in expression of both female-biased genes and male-biased genes in two sexes, which disagrees with feminizing outcomes, suggesting complicated effects of BDE-47 on gonadal development. Taken together, all results demonstrate that nanomolar BDE-47 disrupted gonadal development and exerted weak feminizing effects, but not resulted in male-to-female sex reversal in X. laevis.
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Affiliation(s)
- Jin-Bo Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yuan-Yuan Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yan-Ping Shen
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Min Zhu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xing-Hong Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhan-Fen Qin
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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Guan KL, Liu Y, Luo XJ, Zeng YH, Mai BX. Short- and medium-chain chlorinated paraffins in aquatic organisms from an e-waste site: Biomagnification and maternal transfer. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 708:134840. [PMID: 31791788 DOI: 10.1016/j.scitotenv.2019.134840] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 10/01/2019] [Accepted: 10/03/2019] [Indexed: 06/10/2023]
Abstract
Chlorinated paraffins (CPs) are globally pervasive contaminants that are toxic to humans and wildlife. Inconsistent biomagnification behaviors in different food chains have been reported, and very few studies have been conducted to investigate the maternal transfer of CPs in ovoviviparous species. This study investigated the biomagnification of short- and medium-chain chlorinated paraffins (S/MCCPs) in two aquatic food chains, as well as maternal transfer of S/MCCPs in watersnakes collected from an e-waste polluted pond in southern China. The concentrations of SCCPs and MCCPs varied from 1.2 to 250 μg/g lipid weight (lw) and from 2.3 to 200 μg/g lw in the collected organisms. The SCCP homologue profiles in prey (fish and prawn) differed from those in predators (watersnake and waterbird egg), while MCCP homologue group patterns were homogeneous. All maternal transfer concentration ratios (egg to muscle) of S/MCCPs in the watersnakes were lower than 1 and negatively correlated with the octanol-water partition coefficients (log KOW), different from the maternal transfer of halogenated aromatic pollutants in the watersnake. Biomagnification factors (BMFs) of S/MCCPs for fish-watersnake muscle food chain were larger than 1, while BMFs for the fish-waterbird egg food chain were less than 1. However, when watersnake egg was used to calculate BMF, no biomagnification was found. BMFs in the two food chains showed significant positive linear correlations with chlorine atoms, but no significant correlation with carbon atom numbers, which suggested that a congener-group-specific elimination and excretion process for S/MCCPs exist.
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Affiliation(s)
- Ke-Lan Guan
- State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Resources Utilization and Protection, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, People's Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Yu Liu
- Research Institute of Poyang Lake, Jiangxi Academy of Sciences, Nanchang 330012, People's Republic of China
| | - Xiao-Jun Luo
- State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Resources Utilization and Protection, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, People's Republic of China.
| | - Yan-Hong Zeng
- State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Resources Utilization and Protection, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, People's Republic of China
| | - Bi-Xian Mai
- State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Resources Utilization and Protection, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, People's Republic of China
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Yan M, Mak MYL, Cheng J, Li J, Gu JR, Leung PTY, Lam PKS. Effects of dietary exposure to ciguatoxin P-CTX-1 on the reproductive performance in marine medaka (Oryzias melastigma). MARINE POLLUTION BULLETIN 2020; 152:110837. [PMID: 32479270 DOI: 10.1016/j.marpolbul.2019.110837] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/14/2019] [Accepted: 12/18/2019] [Indexed: 06/11/2023]
Abstract
Ciguatoxins are natural compounds produced by benthic dinoflagellates Gambierdiscus and Fukuyoa spp., which cause fish intoxication by ciguatera fish poisoning. This study aimed to assess the dietary exposure effects of ciguatoxin P-CTX-1 on the reproductive performance in marine medaka (Oryzias melastigma). Fish which ingested >1.16 pg·day-1 for 21 days exhibited abnormal behaviors including diarrhea, abnormal swimming, loss of appetite and decreased egg production. After 7-day exposure to P-CTX-1 at a dose of 1.93 pg·day-1, significant gender-specific differences in reproductive performance and decreased hatching rate of the offspring were observed. Chemical analysis of P-CTX-1 showed that the P-CTX-1 accumulation rates were 24.1 ± 1.4% in female fish and 9.9 ± 0.4% in male fish, and 0.05 pg·egg-1 was detected. The results illustrate that dietary exposure to P-CTX-1 affected the reproductive performance and survival of offspring, and caused bioaccumulation and maternal transfer of P-CTX-1 in marine medaka.
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Affiliation(s)
- Meng Yan
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong, China; Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen, China.
| | - Maggie Y L Mak
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong, China; Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen, China
| | - Jinping Cheng
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong, China; State Key Laboratory of Marine Pollution and Department of Ocean Science, The Hong Kong University of Science and Technology, Hong Kong, China
| | - Jing Li
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong, China; Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Jia Rui Gu
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong, China; Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - Priscilla T Y Leung
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong, China; Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen, China.
| | - Paul K S Lam
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Hong Kong, China; Research Centre for the Oceans and Human Health, City University of Hong Kong Shenzhen Research Institute, Shenzhen, China; Department of Chemistry, City University of Hong Kong, Hong Kong, China
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Zhang Y, Su G, Li M, Li S, Wang Q, Zhu G, Letcher RJ, Liu C. Chemical and biological transfer: Which one is responsible for the maternal transfer toxicity of tris(1,3-dichloro-2-propyl) phosphate in zebrafish? ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 243:1376-1382. [PMID: 30273864 DOI: 10.1016/j.envpol.2018.09.114] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 08/30/2018] [Accepted: 09/22/2018] [Indexed: 06/08/2023]
Abstract
Maternal transfer toxicity of chemicals has mainly focused in fish on the chemical transfer from maternal generation to offspring, and limited information is available for the evaluation of effects of chemicals from a biological transfer perspective. In this study, first-generation (F0) zebrafish larvae (D. rerio) were exposed to 0, 50, 500 or 5000 ng/L TDCIPP from 14 days post fertilization (dpf) to 120 dpf. F0-generation zebrafish were paired, and F1-generation embryos were collected and continuously exposed to the same concentrations of TDCIPP until 150 dpf. F1-generation females were then paired with unexposed adult males, and maternal transfer effects on survival rate and body length were evaluated. Results demonstrated that maternal exposure to TDCIPP for two generations significantly decreased body length of F2-generation larvae, suggesting the occurrence of maternal transfer toxicity. The transfer of TDCIPP from maternal generation to offspring was evident, but microinjection of equal amounts of TDCIPP did not affect survival and body length of zebrafish larvae. Furthermore, maternal exposure to TDCIPP changed the concentrations of partial mRNAs and proteins in their eggs, and those changes were linked to maternal transfer toxicity (e.g., growth inhibition). These results suggested that in zebrafish changes in biological transfer may explain, at least in part, the observed maternal transfer toxicity of TDCIPP.
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Affiliation(s)
- Yongkang Zhang
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
| | - Guanyong Su
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Meng Li
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, China
| | - Shuying Li
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, China
| | - Qiangwei Wang
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, China
| | - Guonian Zhu
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, China
| | - Robert J Letcher
- Departments of Chemistry and Biology, Carleton University, Ottawa, Ontario, K1S 5B6, Canada
| | - Chunsheng Liu
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China; Collaborative Innovation Centre for Efficient and Health Production of Fisheries in Hunan Province, Changde, 415000, China.
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Brain RA, Schneider SZ, Anderson JC, Knopper LD, Wolf JC, Hanson ML. Extended fish short term reproduction assays with the fathead minnow and Japanese medaka: No evidence of impaired fecundity from exposure to atrazine. CHEMOSPHERE 2018; 205:126-136. [PMID: 29689526 DOI: 10.1016/j.chemosphere.2018.04.068] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 04/12/2018] [Accepted: 04/13/2018] [Indexed: 06/08/2023]
Abstract
Short-term reproduction assays were conducted with fathead minnow (Pimephales promelas) and Japanese medaka (Oryzias latipes) to evaluate responses from atrazine exposure at environmentally relevant concentrations and above. Breeding groups of fish with multiple males and females were exposed to atrazine under flow-through conditions. Fathead minnows were exposed to mean measured concentrations of 1.0, 10, 26, 52, and 105 μg atrazine/L for 28 days. Medaka were exposed to mean measured concentrations of 9.4, 48, 74, 97, and 244 μg atrazine/L for 28 or 29 days. Fish were evaluated for survival, fecundity, fertility, total length, wet weight, secondary sex characteristics, gonadosomatic index (GSI) (P. promelas only), plasma or hepatic vitellogenin (VTG), and histopathology of gonads. General observations of health and behaviour were also conducted. There were no statistically significant effects (i.e., p < 0.05) of atrazine on survival, size, reproduction, behaviour, GSI, VTG, or secondary sex characteristics in either species at any exposure level. In fathead minnows, there were no histopathological findings associated with atrazine exposure in male fish, but there was an increased proportion of Stage 4.0 ovaries accompanied by an increase in proportion of Grade 3 post-ovulatory follicles in females of the 105 μg/L treatment group. Without a concomitant increase in oocyte atresia, neither of these findings are considered adverse for the health of the fish. In medaka, there were no significant effects of atrazine exposure on histopathology in either sex. These data support current weight-of-evidence assessments that atrazine does not cause direct adverse effects on fish reproduction at environmentally realistic concentrations.
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Affiliation(s)
| | | | | | | | - Jeffrey C Wolf
- Experimental Pathology Laboratories Inc., Sterling, VA, USA
| | - Mark L Hanson
- Department of Environment and Geography, University of Manitoba, Winnipeg, Manitoba, Canada
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