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Pir R, Sulukan E, Şenol O, Atakay M, Baran A, Kankaynar M, Yıldız E, Salih B, Ceyhun SB. Co-exposure effect of different colour of LED lights and increasing temperature on zebrafish larvae (Danio rerio): Immunohistochemical, metabolomics, molecular and behaviour approaches. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 951:175468. [PMID: 39147052 DOI: 10.1016/j.scitotenv.2024.175468] [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: 05/02/2024] [Revised: 08/05/2024] [Accepted: 08/10/2024] [Indexed: 08/17/2024]
Abstract
Although there are studies in the literature on the effects of different coloured light-emitting diodes (LEDs) on different organisms, there is limited information on how these effects change with temperature increase. In this study, the effects of blue, green, red and white LED lights on the early development process of zebrafish (Danio rerio (Hamilton, 1822)) were comprehensively investigated. In addition, to simulate global warming, it was examined how a one-degree temperature increase affects this process. For this purpose, zebrafish embryos, which were placed at 4 hpf (hours post fertilization) in an incubator whose interior was divided into four areas, were kept at three different temperatures (28, 29 and 30 °C) for 120 h. The group kept in a dark environment was chosen as the control. The temperature of the control group was also increased at the same rate as the other groups. The results showed that at the end of the exposure period, temperature and light colour caused an increase in body malformations. Histopathological damage and immunopositive signals of HSP 70 and 8-OHdG biomarkers in larval brains, increase in free oxygen radicals, apoptotic cells and lipid accumulation throughout the body, increase in locomotor activity, decrease in heart rate and blood flow, and significant changes in more than thirty metabolite levels were detected. In addition, it has been determined that many metabolic pathways are affected, especially glutathione, vitamin B6 and pyrimidine metabolism. Moreover, it has been observed that a one-degree temperature increase worsens this negative effect. It was concluded that blue light was the closest light to the control group and was less harmful than other light colours. The study revealed that blue light produced results that were most similar to those seen in the control group.
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Affiliation(s)
- Rabia Pir
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, 25240 Erzurum, Türkiye; Department of Nanoscience, Graduate School of Natural and Applied Science, Atatürk University, 25240 Erzurum, Türkiye
| | - Ekrem Sulukan
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, 25240 Erzurum, Türkiye; Basic Science Department, Fisheries Faculty, Atatürk University, 25240 Erzurum, Türkiye
| | - Onur Şenol
- Department of Analytical Chemistry, Faculty of Pharmacy, Atatürk University, 25240 Erzurum, Türkiye
| | - Mehmet Atakay
- Department of Chemistry, Faculty of Science, Hacettepe University, 06800 Ankara, Türkiye
| | - Alper Baran
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, 25240 Erzurum, Türkiye; Department of Veterinary Public Health, Faculty of Veterinary Medicine, Atatürk University, 25240 Erzurum, Türkiye
| | - Meryem Kankaynar
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, 25240 Erzurum, Türkiye; Department of Nanoscience, Graduate School of Natural and Applied Science, Atatürk University, 25240 Erzurum, Türkiye
| | - Emriye Yıldız
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, 25240 Erzurum, Türkiye; Department of Aquaculture Engineering, Graduate School of Natural and Applied Science, Atatürk University, 25240 Erzurum, Turkey
| | - Bekir Salih
- Department of Chemistry, Faculty of Science, Hacettepe University, 06800 Ankara, Türkiye
| | - Saltuk Buğrahan Ceyhun
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, 25240 Erzurum, Türkiye; Department of Nanoscience, Graduate School of Natural and Applied Science, Atatürk University, 25240 Erzurum, Türkiye; Department of Aquaculture Engineering, Graduate School of Natural and Applied Science, Atatürk University, 25240 Erzurum, Turkey; Aquaculture Department, Fisheries Faculty, Atatürk University, 25240 Erzurum, Türkiye.
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2
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Moraes JS, Ballesteros ML, Hued AC, Bonifacio AF, Azambuja TG, Vaz BDS, Martins CDMG. Glyphosate and its formulated product Roundup Transorb R® affect locomotor activity and reproductive and developmental parameters in Jenynsia lineata fish: An intergenerational study. CHEMOSPHERE 2024; 362:142541. [PMID: 38851497 DOI: 10.1016/j.chemosphere.2024.142541] [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: 03/06/2024] [Revised: 05/31/2024] [Accepted: 06/03/2024] [Indexed: 06/10/2024]
Abstract
Glyphosate is the most widely utilized herbicide worldwide due to its effectiveness in controlling agricultural weeds. However, its persistence in aquatic ecosystems has raised concerns about the well-being of non-target organisms such as fish. This study aimed to evaluate the effects of chronic exposure (21 days) to glyphosate or its formulated product Roundup Transorb R®, at an environmentally relevant concentration permitted by regulations in certain countries (65 μg/L of glyphosate), on the locomotor activity and reproductive success of the fish Jenynsia lineata, as well as on the morphology/development and locomotor activity of its offspring, as intergenerational effects. Neither the pure nor formulated herbicide altered the distance traveled and velocity of adult fish exposed to the herbicide (F0), but they negatively affected reproductive success, decreasing the percentage of positive response to the presence of the female, reducing the number of gravid females, causing abortions, and lowering offspring survival (F1). In the F1 generation, a decrease in weight and length was noted along with developmental abnormalities in both treatment groups (pure or formulated glyphosate), with the formulation causing more harm. Observed developmental abnormalities included muscle atrophy, ascites, pigmentary disorders, vertebral agenesis, spinal deviation, and exophthalmia. Furthermore, parental exposure to pure glyphosate led to an increase in the distance traveled and velocity of F1 (hyperlocomotion), whereas exposure to the formulated product resulted in a decrease in these behaviors (hypolocomotion) of F1. These findings highlight the toxic effects of glyphosate at very low concentrations, although varying between pure and formulated, and demonstrate the intergenerational consequences of herbicide exposure, underscoring the risk to the survival of fish offspring in glyphosate-contaminated environments.
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Affiliation(s)
- Jenifer Silveira Moraes
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil.
| | - María Laura Ballesteros
- Instituto de Diversidad y Ecología Animal (IDEA), CONICET (Consejo Nacional de Investigaciones Científicas Y Técnicas), Córdoba, 5000, Argentina; Facultad de Ciencias Exactas, Físicas y Naturales, Cátedra de Diversidad Biológica IV, Universidad Nacional de Córdoba, Córdoba, 5000, Argentina.
| | - Andrea Cecilia Hued
- Instituto de Diversidad y Ecología Animal (IDEA), CONICET (Consejo Nacional de Investigaciones Científicas Y Técnicas), Córdoba, 5000, Argentina; Facultad de Ciencias Exactas, Físicas y Naturales, Cátedra de Diversidad Biológica IV, Universidad Nacional de Córdoba, Córdoba, 5000, Argentina.
| | - Alejo Fabian Bonifacio
- Instituto de Diversidad y Ecología Animal (IDEA), CONICET (Consejo Nacional de Investigaciones Científicas Y Técnicas), Córdoba, 5000, Argentina; Facultad de Ciencias Exactas, Físicas y Naturales, Cátedra de Diversidad Biológica IV, Universidad Nacional de Córdoba, Córdoba, 5000, Argentina.
| | - Thaíz Gonçalves Azambuja
- Instituto Federal de Educação, Ciência e Tecnologia Sul-rio-grandense, Campus Pelotas. Praça 20 de Setembro, 455, 96015360, Pelotas, RS, Brazil.
| | - Bernardo Dos Santos Vaz
- Instituto Federal de Educação, Ciência e Tecnologia Sul-rio-grandense, Campus Pelotas. Praça 20 de Setembro, 455, 96015360, Pelotas, RS, Brazil.
| | - Camila de Martinez Gaspar Martins
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil.
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3
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Mazuryk J, Klepacka K, Kutner W, Sharma PS. Glyphosate: Hepatotoxicity, Nephrotoxicity, Hemotoxicity, Carcinogenicity, and Clinical Cases of Endocrine, Reproductive, Cardiovascular, and Pulmonary System Intoxication. ACS Pharmacol Transl Sci 2024; 7:1205-1236. [PMID: 38751624 PMCID: PMC11092036 DOI: 10.1021/acsptsci.4c00046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 03/19/2024] [Accepted: 03/21/2024] [Indexed: 05/18/2024]
Abstract
Glyphosate (GLP) is an active agent of GLP-based herbicides (GBHs), i.e., broad-spectrum and postemergent weedkillers, commercialized by Monsanto as, e.g., Roundup and RangerPro formulants. The GBH crop spraying, dedicated to genetically engineered GLP-resistant crops, has revolutionized modern agriculture by increasing the production yield. However, abusively administered GBHs' ingredients, e.g., GLP, polyoxyethyleneamine, and heavy metals, have polluted environmental and industrial areas far beyond farmlands, causing global contamination and life-threatening risk, which has led to the recent local bans of GBH use. Moreover, preclinical and clinical reports have demonstrated harmful impacts of GLP and other GBH ingredients on the gut microbiome, gastrointestinal tract, liver, kidney, and endocrine, as well as reproductive, and cardiopulmonary systems, whereas carcinogenicity of these herbicides remains controversial. Occupational exposure to GBH dysregulates the hypothalamic-pituitary-adrenal axis, responsible for steroidogenesis and endocrinal secretion, thus affecting hormonal homeostasis, functions of reproductive organs, and fertility. On the other hand, acute intoxication with GBH, characterized by dehydration, oliguria, paralytic ileus, as well as hypovolemic and cardiogenic shock, pulmonary edema, hyperkalemia, and metabolic acidosis, may occur fatally. As no antidote has been developed for GBH poisoning so far, the detoxification is mainly symptomatic and supportive and requires intensive care based on gastric lavage, extracorporeal blood filtering, and intravenous lipid emulsion infusion. The current review comprehensively discusses the molecular and physiological basics of the GLP- and/or GBH-induced diseases of the endocrine and reproductive systems, and cardiopulmonary-, nephro-, and hepatotoxicities, presented in recent preclinical studies and case reports on the accidental or intentional ingestions with the most popular GBHs. Finally, they briefly describe modern and future healthcare methods and tools for GLP detection, determination, and detoxification. Future electronically powered, decision-making, and user-friendly devices targeting major GLP/GBH's modes of actions, i.e., dysbiosis and the inhibition of AChE, shall enable self-handled or point-of-care professional-assisted evaluation of the harm followed with rapid capturing GBH xenobiotics in the body and precise determining the GBH pathology-associated biomarkers levels.
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Affiliation(s)
- Jarosław Mazuryk
- Department
of Electrode Processes, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
- Bio
& Soft Matter, Institute of Condensed Matter and Nanosciences, Université catholique de Louvain, 1 Place Louis Pasteur, 1348 Louvain-la-Neuve, Belgium
| | - Katarzyna Klepacka
- ENSEMBLE sp. z o. o., 01-919 Warsaw, Poland
- Faculty
of Mathematics and Natural Sciences. School of Sciences, Cardinal Stefan Wyszynski University in Warsaw, 01-938 Warsaw, Poland
| | - Włodzimierz Kutner
- Department
of Electrode Processes, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
- Faculty
of Mathematics and Natural Sciences. School of Sciences, Cardinal Stefan Wyszynski University in Warsaw, 01-938 Warsaw, Poland
| | - Piyush Sindhu Sharma
- Functional
Polymers Research Team, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
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4
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Abe FR, Dorta DJ, Gravato C, de Oliveira DP. Elucidating the effects of pure glyphosate and a commercial formulation on early life stages of zebrafish using a complete biomarker approach: All-or-nothing! THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 916:170012. [PMID: 38246377 DOI: 10.1016/j.scitotenv.2024.170012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 12/12/2023] [Accepted: 01/06/2024] [Indexed: 01/23/2024]
Abstract
The search for new methods in the toxicology field has increased the use of early life stages of zebrafish (Danio rerio) as a versatile organism model. Here, we use early stages of zebrafish to evaluate glyphosate as pure active ingredient and within a commercial formulation in terms of oxidative stress. Biomarkers involved in the oxidative status were evaluated along with other markers of neurotoxicity, genotoxicity, cytotoxicity, energy balance and motor performance, and the selected tools were evaluated by its sensitivity in determining early-warning events. Zebrafish embryos exposed to glyphosate active ingredient and glyphosate-based formulation were under oxidative stress, but only the commercial formulation delayed the embryogenesis, affected the cholinergic neurotransmission and induced DNA damage. Both altered the motor performance of larvae at very low concentrations, becoming larvae hypoactive. The energy balance was also impaired, as embryos under oxidative stress had lower lipids reserves. Although data suggest that glyphosate-based formulation has higher toxicity than the active ingredient itself, the most sensitive biomarkers detected early-warning effects at very low concentrations of the active ingredient. Biochemical biomarkers of defense system and oxidative damage were the most sensitive tools, detecting pro-oxidant responses at very low concentrations, along with markers of motor performance that showed high sensitivity and high throughput, suitable for detecting early effects linked to neurotoxicity. Alterations on morphology during embryogenesis showed the lowest sensitivity, thus morphological alterations appeared after several alterations at biochemical levels. Tools evaluating DNA damage and cell proliferation showed mid-sensitivity, but low throughput, thus they could be used as complementary markers.
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Affiliation(s)
- Flavia Renata Abe
- Department of Clinical Analyses, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, 14040-903 Ribeirão Preto, Brazil
| | - Daniel Junqueira Dorta
- Department of Chemistry, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, 14040-901 Ribeirão Preto, Brazil; Institute of Science and Technology for Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactive Substances (INCT-DATREM), Brazil
| | - Carlos Gravato
- Faculty of Sciences, University of Lisbon, Campo Grande, 1749-016 Lisbon, Portugal
| | - Danielle Palma de Oliveira
- Department of Clinical Analyses, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, 14040-903 Ribeirão Preto, Brazil; Institute of Science and Technology for Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactive Substances (INCT-DATREM), Brazil.
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5
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Verma SK, Nandi A, Sinha A, Patel P, Mohanty S, Jha E, Jena S, Kumari P, Ghosh A, Jerman I, Chouhan RS, Dutt A, Samal SK, Mishra YK, Varma RS, Panda PK, Kaushik NK, Singh D, Suar M. The posterity of Zebrafish in paradigm of in vivo molecular toxicological profiling. Biomed Pharmacother 2024; 171:116160. [PMID: 38237351 DOI: 10.1016/j.biopha.2024.116160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 02/08/2024] Open
Abstract
The aggrandised advancement in utility of advanced day-to-day materials and nanomaterials has raised serious concern on their biocompatibility with human and other biotic members. In last few decades, understanding of toxicity of these materials has been given the centre stage of research using many in vitro and in vivo models. Zebrafish (Danio rerio), a freshwater fish and a member of the minnow family has garnered much attention due to its distinct features, which make it an important and frequently used animal model in various fields of embryology and toxicological studies. Given that fertilization and development of zebrafish eggs take place externally, they serve as an excellent model organism for studying early developmental stages. Moreover, zebrafish possess a comparable genetic composition to humans and share almost 70% of their genes with mammals. This particular model organism has become increasingly popular, especially for developmental research. Moreover, it serves as a link between in vitro studies and in vivo analysis in mammals. It is an appealing choice for vertebrate research, when employing high-throughput methods, due to their small size, swift development, and relatively affordable laboratory setup. This small vertebrate has enhanced comprehension of pathobiology and drug toxicity. This review emphasizes on the recent developments in toxicity screening and assays, and the new insights gained about the toxicity of drugs through these assays. Specifically, the cardio, neural, and, hepatic toxicology studies inferred by applications of nanoparticles have been highlighted.
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Affiliation(s)
- Suresh K Verma
- School of Biotechnology, KIIT University, Bhubaneswar, India.
| | - Aditya Nandi
- School of Biotechnology, KIIT University, Bhubaneswar, India
| | - Adrija Sinha
- School of Biotechnology, KIIT University, Bhubaneswar, India
| | - Paritosh Patel
- School of Biotechnology, KIIT University, Bhubaneswar, India; Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, 01897, Seoul, South Korea
| | | | - Ealisha Jha
- School of Biotechnology, KIIT University, Bhubaneswar, India
| | - Snehasmita Jena
- School of Biotechnology, KIIT University, Bhubaneswar, India
| | - Puja Kumari
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, Brno 61137, Czech Republic
| | - Aishee Ghosh
- School of Biotechnology, KIIT University, Bhubaneswar, India
| | - Ivan Jerman
- National Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia
| | - Raghuraj Singh Chouhan
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
| | - Ateet Dutt
- Instituto de Investigaciones en Materiales, UNAM, CDMX, Mexico
| | - Shailesh Kumar Samal
- Unit of Immunology and Chronic Disease, Institute of Environmental Medicine, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Yogendra Kumar Mishra
- Mads Clausen Institute, NanoSYD, University of Southern Denmark, Alsion 2, Sønderborg DK-6400, Denmark
| | - Rajender S Varma
- Institute for Nanomaterials, Advanced Technologies and Innovation (CxI), Technical University of Liberec (TUL), Studentská 1402/2, Liberec 1 461 17, Czech Republic
| | - Pritam Kumar Panda
- Condensed Matter Theory Group, Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Box 516, SE-751 20 Uppsala, Sweden
| | - Nagendra Kumar Kaushik
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, 01897, Seoul, South Korea.
| | - Deobrat Singh
- Condensed Matter Theory Group, Materials Theory Division, Department of Physics and Astronomy, Uppsala University, Box 516, SE-751 20 Uppsala, Sweden.
| | - Mrutyunjay Suar
- School of Biotechnology, KIIT University, Bhubaneswar, India.
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6
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Stevens D, Kramer AT, Coogan MA, Sayes CM. Developmental effects of zebrafish (Danio rerio) embryos after exposure to glyphosate and lead mixtures. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 271:115886. [PMID: 38211515 DOI: 10.1016/j.ecoenv.2023.115886] [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: 10/20/2023] [Revised: 12/12/2023] [Accepted: 12/22/2023] [Indexed: 01/13/2024]
Abstract
Natural aquatic environments have a heterogeneous composition; therefore, simultaneous exposure to multiple contaminants is relevant and more realistic when assessing exposure and toxicity. This study examines the combinatorial effects of two compounds found ubiquitously in drinking water across the United States: glyphosate and lead acetate. Zebrafish (Danio rerio) embryos were used as a model for investigating developmental delays following controlled exposures. Six different environmentally relevant exposure concentrations of glyphosate, ranging from 0.001 to 10 ppm, and lead acetate, ranging from 0.5 to 4 ppm, were applied first as single exposures and then as co-exposures. The sublethal endpoints of hatching and coagulation were quantified to determine potencies. Results indicate that higher concentrations of the individual chemicals correlate with later hatching with correlation coefficients of 0.71 and 0.40 for glyphosate and lead acetate respectively, while the co-exposure at lower concentrations induced earlier hatching with a correlation coefficient 0.74. In addition, increased levels of coagulation and glutathione reductase activity were observed following co-exposure, as compared to the individual exposures, suggesting potential toxicological interactions. These results support the need for further work assessing the combined potencies of aquatic contaminants rather than individual exposures.
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Affiliation(s)
- Dinny Stevens
- Department of Environmental Science, Baylor University, Waco, TX, USA
| | - Alec T Kramer
- Department of Environmental Science, Baylor University, Waco, TX, USA
| | - Melinda A Coogan
- Department of Environmental Science, Baylor University, Waco, TX, USA
| | - Christie M Sayes
- Department of Environmental Science, Baylor University, Waco, TX, USA.
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7
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Tóth G, Háhn J, Szabó G, Bakos K, Volner C, Liang X, Göbölös B, Bock I, Szoboszlay S, Urbányi B, Kriszt B, Kaszab E, Szabó I, Csenki Z. In vivo estrogenicity of glyphosate, its formulations, and AMPA on transgenic zebrafish (Danio rerio) embryos. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 342:123113. [PMID: 38072021 DOI: 10.1016/j.envpol.2023.123113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/20/2023] [Accepted: 12/05/2023] [Indexed: 01/26/2024]
Abstract
In this study, the disrupting effects of glyphosate (GLY), aminomethylphosphonic acid (AMPA), and three glyphosate-based herbicides (GBHs) on vitellogenesis in a non-concentration-dependent manner are reported for the first time in 120 h of acute exposure of zebrafish at environmentally relevant concentrations. GBHs are commonly used worldwide in weed control management. Due to their extensive application, they frequently occur in aquatic ecosystems and may affect various organisms. The active substance GLY and its major by-product, AMPA, are the most thoroughly studied chemicals; however, the adverse effects of the complex formulas of GBHs with diverse and unknown content of co-formulants are still not sufficiently researched. This study focused on the embryotoxicity, sublethal malformations, and estrogenic potency of GLY, AMPA, and four commonly used GBHs on zebrafish embryos using a wild type and an estrogen-sensitive, transgenic zebrafish line (Tg(vtg1:mCherry)). After 120 h of exposition, AMPA did not cause acute toxicity, while the LC50 of GLY was 160 mg/L. The GBHs were more toxic with LC50 values ranging from 31 to 111 GLY active equivalent (a.e.) mg/L. Exposure to 0.35-2.8 mg/L GBHs led to sublethal abnormalities: typical symptoms were structural deformation of the lower jaw and anomalies in the olfactory region. Deformity rates were 10-30% in the treated groups. In vivo, fluorescently expressed vtg1 mCherry protein in embryonic liver was detected by a non-invasive microscopic method indicating estrogenic action through vitellogenin production by GLY, AMPA, and GBHs. To confirm the in vivo findings, RT-qPCR method was performed to determine the levels of the estrogenicity-related vtg1 mRNA. After 120 h of exposure to GLY, AMPA, and three GBHs at a concentration of 0.35 mg/L, the expression of vtg1 gene was significantly up-regulated. Our results highlight the risk that short-term GLY and GBH exposure can cause developmental malformations and disrupt the hormonal balance in zebrafish embryos.
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Affiliation(s)
- Gergő Tóth
- Institute of Aquaculture and Environmental Safety, Department of Environmental Safety, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Judit Háhn
- Institute of Aquaculture and Environmental Safety, Department of Environmental Safety, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Gyula Szabó
- Institute of Aquaculture and Environmental Safety, Department of Environmental Toxicology, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Katalin Bakos
- Premonstratensian St. Norbert High School, Takács Menyhért út 2, H-2100, Gödöllő, Hungary.
| | - Cintia Volner
- Institute of Aquaculture and Environmental Safety, Department of Environmental Toxicology, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Xinyue Liang
- Institute of Aquaculture and Environmental Safety, Department of Environmental Toxicology, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Balázs Göbölös
- Institute of Aquaculture and Environmental Safety, Department of Environmental Safety, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Illés Bock
- Institute of Aquaculture and Environmental Safety, Department of Environmental Toxicology, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Sándor Szoboszlay
- Institute of Aquaculture and Environmental Safety, Department of Environmental Safety, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Béla Urbányi
- Institute of Aquaculture and Environmental Safety, Department of Aquaculture, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Balázs Kriszt
- Institute of Aquaculture and Environmental Safety, Department of Environmental Safety, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Edit Kaszab
- Institute of Aquaculture and Environmental Safety, Department of Environmental Safety, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - István Szabó
- Institute of Aquaculture and Environmental Safety, Department of Environmental Toxicology, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
| | - Zsolt Csenki
- Institute of Aquaculture and Environmental Safety, Department of Environmental Toxicology, Hungarian University of Agriculture and Life Sciences, Páter Károly u. 1, H-2100, Gödöllő, Hungary.
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8
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Dos Santos Azevedo AS, da Silva JG, Dos Santos JC, de Oliveira Silva MR, de Almeida SMV, de Azevedo RDS, de Sá Leitão Câmara de Araújo M. Biochemical and teratogenic effects of a mixture of pyriproxyfen and glyphosate. Comp Biochem Physiol C Toxicol Pharmacol 2024; 275:109766. [PMID: 37844749 DOI: 10.1016/j.cbpc.2023.109766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 09/23/2023] [Accepted: 10/08/2023] [Indexed: 10/18/2023]
Abstract
The mixture of agrochemicals can be made to improve pest control or accidentally. In this way, the effects on non-target organisms are a critical aspect of the environment and heath. Thus, this work aimed to show how a mixture of pyriproxyfen, and glyphosate can impair biochemical routes and embryonic development. Zebrafish embryos 0-72 hpf were exposed to 0.001-1 μg/mL of pyriproxyfen, glyphosate, and a mixture of both pesticides. The ADMETox was evaluated in silico. The FET-test was used to estimate teratogenic effects. The biochemical effects were estimated using AChE, SOD, and CAT as parameters. ROS generation was estimated using 30 μM H2DCF-DA and 5 μM DHE. The ADMETox reveals that intestinal absorption and P-glycoprotein are the main sites for PPx and Gly adsorption. The distribution parameters were diverse. PPx + Gly at 0.1 μg/mL leads to 50 % of lethality and at 1 μg/mL 100 % of lethality. PPx + Gly leads to a 22 % of lack of somite formation at 1 μg/mL. The heart rate was reduced by >10 % in all concentrations tested. The AChE has a decrease with IC20 19.6 μM and IC50 261.5 μM. SOD showed a reduction of 28 % to PPx and CAT was reduced by 58 % to PPx + Gly and Gly at 1 μg/mL. Glyphosate does not increase unspecific ROS generation. The superoxide generation was 2× higher in the PPx + Gly at 1 μg/mL. Summarily, was observed that the mixture of PPx + Gly potentiated the toxic effects. This finding suggests a possible synergism between the PPx and Gly even at lower concentrations.
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Affiliation(s)
- Angélica Sabrina Dos Santos Azevedo
- Programa de Pós-graduação em Saúde e Desenvolvimento Socioambiental - PPGSDS, Universidade de Pernambuco - UPE, Campus Garanhuns, Brazil; Laboratório de Biologia Celular e Molecular, Universidade de Pernambuco - UPE, Campus Garanhuns, Brazil
| | - Josefa Gerlane da Silva
- Laboratório de Biologia Celular e Molecular, Universidade de Pernambuco - UPE, Campus Garanhuns, Brazil
| | | | | | - Sinara Monica Vitalino de Almeida
- Programa de Pós-graduação em Saúde e Desenvolvimento Socioambiental - PPGSDS, Universidade de Pernambuco - UPE, Campus Garanhuns, Brazil; Laboratório de Biologia Celular e Molecular, Universidade de Pernambuco - UPE, Campus Garanhuns, Brazil
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9
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Moraes JS, da Costa Silva DG, Dos Santos Vaz B, Mizuschima CW, de Martinez Gaspar Martins C. Glyphosate is Harmful to Early Life Stages of the Viviparous Fish Jenynsia Multidentata: Biochemical and Locomotor Effects. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2023; 85:417-428. [PMID: 37603055 DOI: 10.1007/s00244-023-01015-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 07/04/2023] [Indexed: 08/22/2023]
Abstract
Glyphosate is the most widely used herbicide worldwide due to its efficacy in weed control in agriculture. This herbicide has been consistently detected in the aquatic environment, causing harmful consequences to nontarget organisms residing in agricultural regions. In this study, we assessed the effects of environmentally relevant concentrations of glyphosate (30-100 µg/L) on the early life stages of the viviparous fish Jenynsia multidentata through biochemical and locomotor endpoints. At 96 h of exposure, 30 and 65 µg/L glyphosate caused an increase in acetylcholinesterase (AChE) activity, and 65 µg/L glyphosate also augmented the levels of lipid peroxidation. Glyphosate at 100 µg/L did not alter the activity of acetylcholinesterase or the levels of lipid peroxidation, but it stimulated the activity of the cellular detoxification enzyme glutathione S-transferase. In addition, all concentrations affected the swimming of the fish. Under light conditions, glyphosate caused hypolocomotion at all concentrations tested, whereas under dark conditions, this was observed at 30 and 100 µg/L. Hyperlocomotion was observed at 65 µg/L glyphosate. These findings are alarming for the health of fish, such as J. multidentata that inhabit streams that pass through agricultural areas, especially for the early life stages of these fish. Research studying the effects of pollutants on native species is relevant to improve regulation that protects aquatic ecosystems.
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Affiliation(s)
- Jenifer Silveira Moraes
- Programa de Pós-Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Instituto de Ciências Biológicas, Av. Itália Km 8, Rio Grande, RS, 96203-900, Brazil.
| | - Dennis Guilherme da Costa Silva
- Programa de Pós-Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Instituto de Ciências Biológicas, Av. Itália Km 8, Rio Grande, RS, 96203-900, Brazil
| | - Bernardo Dos Santos Vaz
- Instituto Federal Sul-Rio-Grandense, Campus Pelotas. Praça Vinte de Setembro, Centro Pelotas, RS, 96015360, Brazil
| | - Catiúscia Weinert Mizuschima
- Instituto Federal Sul-Rio-Grandense, Campus Pelotas. Praça Vinte de Setembro, Centro Pelotas, RS, 96015360, Brazil
| | - Camila de Martinez Gaspar Martins
- Programa de Pós-Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Instituto de Ciências Biológicas, Av. Itália Km 8, Rio Grande, RS, 96203-900, Brazil
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10
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Ferrante M, Rapisarda P, Grasso A, Favara C, Oliveri Conti G. Glyphosate and environmental toxicity with "One Health" approach, a review. ENVIRONMENTAL RESEARCH 2023; 235:116678. [PMID: 37459948 DOI: 10.1016/j.envres.2023.116678] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 07/26/2023]
Abstract
The herbicide Glyphosate (GLY), or N-(phosphonomethyl) glycine was synthesized in 1950 and applied to control weeds in agricultural production. For a long time, it was believed that it was an inert compound, but many studies have instead demonstrated over the years the dangers of GLY to the ecosystem and human health. Among the best-known effects, it is known that GLY interferes with the metabolic pathways of plants and the main groups of microorganisms, negatively influencing their growth. GLY interferes with the metabolic pathways of plants and major groups of microorganisms negatively affecting their growth. The extensive GLY application on fields results in a "slow death" of plants through the minor resistance to root pathogens and in increasing pollution of freshwaters and soils. Unfortunately, however, unlike the old beliefs, GLY can reach non-target destinations, in this regard, ecological studies and environmental epidemiology are of significant interest. In this review, we focus on the effects of acute and chronic exposure to GLY on the health of plants, animals, and humans from a One Health perspective. GLY has been linked to neurological and endocrine issues in both humans and animals, and behavioral modification on specific bioindicators, but the knowledge about the ratio cause-and-effect still needs to be better understood and elucidated. Environmental GLY residues analysis and policy acts will both require new criteria to protect environmental and human health.
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Affiliation(s)
- Margherita Ferrante
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical, Surgical and Advanced Technology "G.F. Ingrassia", University of Catania, Catania, Italy; International Society of Doctors for Environments - ISDE, Catania Section, Italy
| | - Paola Rapisarda
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical, Surgical and Advanced Technology "G.F. Ingrassia", University of Catania, Catania, Italy; International Society of Doctors for Environments - ISDE, Catania Section, Italy
| | - Alfina Grasso
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical, Surgical and Advanced Technology "G.F. Ingrassia", University of Catania, Catania, Italy; International Society of Doctors for Environments - ISDE, Catania Section, Italy
| | - Claudia Favara
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical, Surgical and Advanced Technology "G.F. Ingrassia", University of Catania, Catania, Italy; International Society of Doctors for Environments - ISDE, Catania Section, Italy; Department of Biological, Geological and Environmental Sciences, University of Catania, Catania, Italy
| | - Gea Oliveri Conti
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical, Surgical and Advanced Technology "G.F. Ingrassia", University of Catania, Catania, Italy; International Society of Doctors for Environments - ISDE, Catania Section, Italy.
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11
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Barreto LS, Souza TLD, Morais TPD, Oliveira Ribeiro CAD. Toxicity of glyphosate and aminomethylphosphonic acid (AMPA) to the early stages of development of Steindachneridion melanodermatum, an endangered endemic species of Southern Brazil. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 102:104234. [PMID: 37481050 DOI: 10.1016/j.etap.2023.104234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 06/29/2023] [Accepted: 07/18/2023] [Indexed: 07/24/2023]
Abstract
This study aimed to evaluate glyphosate (GLY) and aminomethylphosphonic acid (AMPA) toxicity at 65, 650, and 6500 μg L-1 to the initial stages of development of Steindachneridion melanodermatum, an endangered endemic species from the Iguaçu River, assessing hatching, survival, total larval length, deformities, oxidative stress biochemical biomarkers, and neurotoxicity. Overall, looking at the sum of responses through the integrated biomarker response, the species was more sensitive to AMPA than GLY, especially at the lower concentration of 65 μg L-1, which induced mortality, deformities, underdevelopment, and oxidative stress. Considering the risk of exposure and the importance of conservation of the highly endemic ichthyofauna of this basin, it is urgent to investigate and regulate both GLY and AMPA levels at the Iguaçu River to protect not only this species, but the entire ecosystem.
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Affiliation(s)
- Luiza Santos Barreto
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal do Paraná, CEP 81531-970, Curitiba, Paraná, Brazil; Programa de Pós-Graduação em Ecologia e Conservação, Setor de Ciências Biológicas, Universidade Federal do Paraná, CEP 81531-980, Curitiba, Paraná, Brazil.
| | - Tugstênio Lima de Souza
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal do Paraná, CEP 81531-970, Curitiba, Paraná, Brazil; Programa de Pós-Graduação em Biologia Celular e Molecular, Setor de Ciências Biológicas, Universidade Federal do Paraná, CEP 81531-980, Curitiba, Paraná, Brazil
| | - Tobias Pereira de Morais
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal do Paraná, CEP 81531-970, Curitiba, Paraná, Brazil; Programa de Pós-Graduação em Ecologia e Conservação, Setor de Ciências Biológicas, Universidade Federal do Paraná, CEP 81531-980, Curitiba, Paraná, Brazil
| | - Ciro Alberto de Oliveira Ribeiro
- Laboratório de Toxicologia Celular, Departamento de Biologia Celular, Universidade Federal do Paraná, CEP 81531-970, Curitiba, Paraná, Brazil
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12
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Fuselier SG, Ireland D, Fu N, Rabeler C, Collins EMS. Comparative toxicity assessment of glyphosate and two commercial formulations in the planarian Dugesia japonica. FRONTIERS IN TOXICOLOGY 2023; 5:1200881. [PMID: 37435546 PMCID: PMC10332155 DOI: 10.3389/ftox.2023.1200881] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 06/13/2023] [Indexed: 07/13/2023] Open
Abstract
Introduction: Glyphosate is a widely used, non-selective herbicide. Glyphosate and glyphosate-based herbicides (GBHs) are considered safe for non-target organisms and environmentally benign at currently allowed environmental exposure levels. However, their increased use in recent years has triggered questions about possible adverse outcomes due to low dose chronic exposure in animals and humans. While the toxicity of GBHs has primarily been attributed to glyphosate, other largely unstudied components of GBHs may be inherently toxic or could act synergistically with glyphosate. Thus, comparative studies of glyphosate and GBHs are needed to parse out their respective toxicity. Methods: We performed such a comparative screen using pure glyphosate and two popular GBHs at the same glyphosate acid equivalent concentrations in the freshwater planarian Dugesia japonica. This planarian has been shown to be a useful model for both ecotoxicology and neurotoxicity/developmental neurotoxicity studies. Effects on morphology and various behavioral readouts were obtained using an automated screening platform, with assessments on day 7 and day 12 of exposure. Adult and regenerating planarians were screened to allow for detection of developmentally selective effects. Results: Both GBHs were more toxic than pure glyphosate. While pure glyphosate induced lethality at 1 mM and no other effects, both GBHs induced lethality at 316 μM and sublethal behavioral effects starting at 31.6 μM in adult planarians. These data suggest that glyphosate alone is not responsible for the observed toxicity of the GBHs. Because these two GBHs also include other active ingredients, namely diquat dibromide and pelargonic acid, respectively, we tested whether these compounds were responsible for the observed effects. Screening of the equivalent concentrations of pure diquat dibromide and pure pelargonic acid revealed that the toxicity of either GBH could not be explained by the active ingredients alone. Discussion: Because all compounds induced toxicity at concentrations above allowed exposure levels, our data indicates that glyphosate/GBH exposure is not an ecotoxicological concern for D. japonica planarians. Developmentally selective effects were not observed for all compounds. Together, these data demonstrate the usefulness of high throughput screening in D. japonica planarians for assessing various types of toxicity, especially for comparative studies of several chemicals across different developmental stages.
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Affiliation(s)
- S. Grace Fuselier
- Department of Biology, Swarthmore College, Swarthmore, PA, United States
| | - Danielle Ireland
- Department of Biology, Swarthmore College, Swarthmore, PA, United States
| | - Nicholas Fu
- Department of Biology, Swarthmore College, Swarthmore, PA, United States
| | - Christina Rabeler
- Department of Biology, Swarthmore College, Swarthmore, PA, United States
| | - Eva-Maria S. Collins
- Department of Biology, Swarthmore College, Swarthmore, PA, United States
- Department of Physics and Astronomy, Swarthmore College, Swarthmore, PA, United States
- Department of Neuroscience, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
- Center of Excellence in Environmental Toxicology, University of Pennsylvania, Philadelphia, PA, United States
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13
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Flach H, Dietmann P, Liess M, Kühl M, Kühl SJ. Glyphosate without Co-formulants affects embryonic development of the south african clawed frog Xenopus laevis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 260:115080. [PMID: 37262967 DOI: 10.1016/j.ecoenv.2023.115080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 04/16/2023] [Accepted: 05/25/2023] [Indexed: 06/03/2023]
Abstract
BACKGROUND Glyphosate (GLY) is the most widely used herbicide in the world. Due to its mode of action as an inhibitor of the 5-enolpyruvylshikimate-3-phosphate synthase, an important step in the shikimate pathway, specifically in plants, GLY is considered to be of low toxicity to non-target organisms. However, various studies have shown the negative effects of GLY on the mortality and development of different non-target organisms, including insects, rodents, fish and amphibians. To better understand the various effects of GLY in more detail, we studied the effects of GLY without co-formulants during the embryogenesis of the aquatic model organism Xenopus laevis. RESULTS A treatment with GLY affected various morphological endpoints in X. laevis tadpoles (body length, head width and area, eye area). Additionally, GLY interfered with the mobility as well as the neural and cardiac development of the embryos at stage 44/45. We were able to detect detailed structural changes in the cranial nerves and the heart and gained insights into the negative effects of GLY on cardiomyocyte differentiation. CONCLUSION The application of GLY without co-formulants resulted in negative effects on several endpoints in the early embryonic development of X. laevis at concentrations that are environmentally relevant and concentrations that reflect the worst-case scenarios. This indicates that GLY could have a strong negative impact on the survival and lives of amphibians in natural waters. As a result, future GLY approvals should consider its impact on the environment.
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Affiliation(s)
- Hannah Flach
- Institute of Biochemistry and Molecular Biology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Petra Dietmann
- Institute of Biochemistry and Molecular Biology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Matthias Liess
- Department System-Ecotoxicology, Helmholtz Centre for Environmental Research, UFZ, Permoserstraße 15, 04318 Leipzig, Germany; Institute for Environmental Research (Biology V), RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany
| | - Michael Kühl
- Institute of Biochemistry and Molecular Biology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Susanne J Kühl
- Institute of Biochemistry and Molecular Biology, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany.
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14
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Yang Y, Li R, Liu A, Xu J, Li L, Zhao R, Qu M, Di Y. How does the internal distribution of microplastics in Scylla serrata link with the antioxidant response in functional tissues? ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 324:121423. [PMID: 36906053 DOI: 10.1016/j.envpol.2023.121423] [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: 12/08/2022] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
Crabs can live in diverse lifestyles in both water and benthic environments, which are the basin of microplastics (MPs) inputs. Edible crabs with large consuming quantity, e.g., Scylla serrata were subjected to accumulate MPs in their tissues from surrounding environments and generate biological damages. However, no related research has been conducted. In order to accurately assess the potential risks to both crabs and humans consuming MPs contaminated crabs, S. serrata were exposed to different concentrations (2, 200 and 20,000 μg/L) of polyethylene (PE) microbeads (10-45 μm) for 3 days. The physiological conditions of crabs and a series of biological responses, including DNA damage, antioxidant enzymes activities and their corresponding gene expressions in functional tissues (gills and hepatopancreas) were investigated. PE-MPs accumulated in all tissues of crabs with concentration- and tissue-dependent manner, which was assumed to be via the internal distribution initialized by gills' respiration, filtration and transportation. Significantly increased DNA damages were observed in both gills and hepatopancreas under exposures, however, the physiological conditions of crabs showed no dramatic alterations. Under low and middle concentration exposures, gills energetically activated the first line of antioxidant defense to against oxidative stress, e.g., superoxide dismutase (SOD) and catalase (CAT), but lipid peroxidation damage still occurred under high concentration exposure. In comparison, SOD and CAT composed antioxidant defense in hepatopancreas tended to collapse under severe MPs exposure and the defense mechanism attempted to switch to the secondary antioxidant response by compensatively stimulating the activities of glutathione S-transferase (GST), glutathione peroxidase (GPx) and the content of glutathione (GSH). The diverse antioxidant strategies in gills and hepatopancreas were proposed to be closely related to the accumulation capacity of tissues. The results confirmed the relation between PE-MPs exposure and antioxidant defense in S. serrata, and will help to clarify the biological toxicity and corresponding ecological risks.
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Affiliation(s)
- Yingli Yang
- Ocean College, Zhejiang University, Zhoushan, 316000, China
| | - Ruofan Li
- Ocean College, Zhejiang University, Zhoushan, 316000, China; Hainan Institute of Zhejiang University, Sanya, 572024, China
| | - Ao Liu
- Ocean College, Zhejiang University, Zhoushan, 316000, China
| | - Jianzhou Xu
- Ocean College, Zhejiang University, Zhoushan, 316000, China; Hainan Institute of Zhejiang University, Sanya, 572024, China
| | - Liya Li
- Ocean College, Zhejiang University, Zhoushan, 316000, China; Hainan Institute of Zhejiang University, Sanya, 572024, China
| | - Ruoxuan Zhao
- Ocean College, Zhejiang University, Zhoushan, 316000, China
| | - Mengjie Qu
- Ocean College, Zhejiang University, Zhoushan, 316000, China; Hainan Institute of Zhejiang University, Sanya, 572024, China
| | - Yanan Di
- Ocean College, Zhejiang University, Zhoushan, 316000, China; Hainan Institute of Zhejiang University, Sanya, 572024, China.
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15
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Park H, Song G, Hong T, An G, Park S, Lim W. Exposure to the herbicide fluridone induces cardiovascular toxicity in early developmental stages of zebrafish. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 867:161535. [PMID: 36638995 DOI: 10.1016/j.scitotenv.2023.161535] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 01/02/2023] [Accepted: 01/07/2023] [Indexed: 06/17/2023]
Abstract
Fluridone is a systemic herbicide used to control a range of invasive aquatic plants in irrigation systems, lake, and reservoirs. Since aquatic herbicides are more likely to have a hazardous impact on ecosystems than terrestrially applied herbicides, a risk assessment is needed to determine whether to expand or limit their use. The aim of this study was to investigate the developmental toxicity of fluridone using zebrafish. Diverse toxicological results were observed for the sub-lethal endpoints, including lack of hatching, reduced heartbeat and disturbed blood circulation through dysmorphic heart, and edema formation. Abnormal apoptosis was observed in the brain and yolk sac of fluridone-exposed larvae. A computational analysis was used to predict chemical properties in non-target organisms and revealed that fluridone was highly relevant in the cardiovascular system. Double transgenic zebrafish (fli1a:EGFP;cmlc2:dsRed) were used to evaluate the effects of fluridone on the cardiovascular system during embryonic development. Ectopic growth of sub-intestinal vessels and sprouting angiogenesis in the hindbrain region were highly inhibited. Additionally, essential genes involved in the VEGF signaling and heart development were differentially expressed in dose-dependent manner. Collectively, our toxicological findings in fluridone exposure highlight defects in the cardiovascular development causing embryonic lethality that could damage aquatic communities and natural ecosystems.
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Affiliation(s)
- Hahyun Park
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Gwonhwa Song
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Taeyeon Hong
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Garam An
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Sunwoo Park
- Department of Plant & Biomaterials Science, Gyeongsang National University, Jinju-si, Gyeongnam 52725, Republic of Korea.
| | - Whasun Lim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, Republic of Korea.
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16
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Meng QY, Kang CQ, Dang W, Melvin SD, Lu HL. Minor metabolomic disturbances induced by glyphosate-isopropylammonium exposure at environmentally relevant concentrations in an aquatic turtle, Pelodiscus sinensis. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 256:106415. [PMID: 36746075 DOI: 10.1016/j.aquatox.2023.106415] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/28/2022] [Accepted: 01/31/2023] [Indexed: 06/18/2023]
Abstract
The ecotoxicological and environmental impacts of glyphosate-based herbicides have received considerable attention due to their extensive use globally. However, the potential for adverse effects in cultured non-fish vertebrate species are commonly ignored. In this study, effects on growth, indicators of functional performance, gut microbial diversity, liver antioxidant responses and metabolite profiles were evaluated in soft-shelled turtle hatchlings (Pelodiscus sinensis) exposed to different concentrations of glyphosate-isopropylammonium (0, 0.02, 0.2, 2 and 20 mg/L). No significant changes in growth or functional performance (food intake, swimming speed), gut microbiota, and liver antioxidant responses (SOD and CAT activities, MDA content) were observed in exposed turtles. However, hepatic metabolite profiles revealed distinct perturbations that primarily involved amino acid metabolism in turtles exposed to environmentally relevant concentrations. Overall, our results suggested that metabolite profiles may be more sensitive than phenotypic or general physiological endpoints and gut microbiota profiling, and indicate a potential mechanism of hepatotoxicity caused by glyphosate-isopropylammonium based on untargeted metabolomics analysis. Furthermore, the toxicity of glyphosate at environmentally relevant concentrations might be relatively minor in aquatic turtle species.
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Affiliation(s)
- Qin-Yuan Meng
- Key Laboratory of Hangzhou City for Ecosystem Protection and Restoration, School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Chun-Quan Kang
- Key Laboratory of Hangzhou City for Ecosystem Protection and Restoration, School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Wei Dang
- Key Laboratory of Hangzhou City for Ecosystem Protection and Restoration, School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Steven D Melvin
- Australian Rivers Institute, Griffith University, Southport, QLD 4222, Australia
| | - Hong-Liang Lu
- Key Laboratory of Hangzhou City for Ecosystem Protection and Restoration, School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China.
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17
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Liu M, Lu S, Yang C, Zhang D, Zhu J, Yin J, Zhao H, Yang B, Kuang H. Maternal exposure to a glyphosate-based herbicide impairs placental development through endoplasmic reticulum stress in mice. Food Chem Toxicol 2023; 173:113640. [PMID: 36724846 DOI: 10.1016/j.fct.2023.113640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/14/2023] [Accepted: 01/25/2023] [Indexed: 01/30/2023]
Abstract
Glyphosate-based herbicides (GBHs) are the most widely used agrochemicals worldwide, increasing the risk of their occurrence in the environment. This study aimed to explore effects and mechanisms of GBH exposure on placental development in vivo during pregnancy in mice. Pregnant mice received GBH by gavage at 0, 5, and 50 mg⋅kg-1⋅day-1 doses from gestational day (GD) 1 to GD 13 and were sacrificed on GD 13 or GD19. Our data indicated that GBH administration significantly increased the number of resorbed fetuses, reduced the weight of fetuses and placentas, and inhibited placental growth, as evident from decreased placental total area and spongiotrophoblast area on GD 19. GBH treatment also inhibited proliferation and induced apoptosis of placenta via upregulation of Bax, cleaved caspase-3 and -12 expression, and downregulation of B cell lymphoma (Bcl)-2 expression. Further study showed that GBH exposure significantly increased expression levels of glucose-regulated protein 78 (GRP78), protein kinase RNA-like endoplasmic reticulum kinase (PERK), and C/EBP homologous protein (CHOP) mRNAs and proteins and triggered oxidative stress in placenta on GD 13 and GD 19. In conclusion, our findings suggest that maternal exposure to GBH can impair placental development through the endoplasmic reticulum stress-mediated activation of GRP78/PERK/CHOP signaling pathway in mice.
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Affiliation(s)
- Mengling Liu
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi, 330006, PR China; Nursing School of Jiujiang University, Jiujiang, Jiangxi, 332000, PR China.
| | - Siying Lu
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi, 330006, PR China.
| | - Chuanzhen Yang
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi, 330006, PR China.
| | - Dalei Zhang
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi, 330006, PR China; Jiangxi Provincial Key Laboratory of Reproductive Physiology and Pathology, Nanchang University, Nanchang, Jiangxi, 330006, PR China.
| | - Jun Zhu
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi, 330006, PR China.
| | - Jiting Yin
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi, 330006, PR China.
| | - Hongru Zhao
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi, 330006, PR China.
| | - Bei Yang
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi, 330006, PR China.
| | - Haibin Kuang
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi, 330006, PR China; Jiangxi Provincial Key Laboratory of Reproductive Physiology and Pathology, Nanchang University, Nanchang, Jiangxi, 330006, PR China.
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Elango D, Siddharthan N, Alaqeel SI, Subash V, Manikandan V, Almansour AI, Kayalvizhi N, Jayanthi P. Biodegradation of neonicotinoid insecticide acetamiprid by earthworm gut bacteria Brucella intermedium PDB13 and its ecotoxicity. Microbiol Res 2023; 268:127278. [PMID: 36565686 DOI: 10.1016/j.micres.2022.127278] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/06/2022] [Accepted: 12/09/2022] [Indexed: 12/15/2022]
Abstract
Extensive use of neonicotinoid insecticides in recent decade had contaminated water and soil systems and poses serious environmental and health risk. Microbial degradation of toxic contaminants in the environment has been established as a sustainable tool towards its remediation. Under this context, the present study focused on the biodegradation of neonicotinoid insecticide acetamiprid, by bacterial strain Brucella intermedia PDB13 isolated from the gut of the acetamiprid exposed earthworms. To enhance acetamiprid biodegradation, suitable parameters such as pH, temperature, inoculum size and acetamiprid concentration range were optimised using Response Surface Methodology (RSM). The experimental results showed that the Brucella intermedium PDB13 can tolerate and degrade relatively high concentrations of acetamiprid (50 - 350 mg L-1). The results confirmed that maximum degradation of about 89.72% was achieved under optimized conditions. Further, confirmation of acetamiprid biodegradation was assessed through the occurrence of its degraded metabolites through HPLC, FTIR, and LCMS analysis. Based on this analysis, possible acetamiprid biodegradation pathway by Brucella intermedia PDB13 was proposed. Additionally, cytotoxicity, earthworm acute toxicity, and zebrafish embryo toxicity studies were also performed to assess the toxicity variations between the parent compound and its metabolites. The acetamiprid treated group resulted in cytotoxic effects apparently, with the increase in aberrant cells frequency (22.5 ± 3.3), when compared with its metabolites (2.3 ± 4.3) and control (1.9 ± 5.6) respectively. All these results evidently reported the degradation potential of Brucella intermedia PDB13, thereby establishing the scope for further advanced biodegradation studies towards mitigating the pesticide pollution.
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Affiliation(s)
- Duraisamy Elango
- Department of Environmental Science, Periyar University, Salem 636011, Tamil Nadu, India
| | | | - Shatha Ibrahim Alaqeel
- Department of Chemistry, College of Science, King Saud University, (034), Riyadh 11495, Saudi Arabia
| | - Velu Subash
- Department of Environmental Science, Periyar University, Salem 636011, Tamil Nadu, India
| | - Velu Manikandan
- Department of Food Science and Technology, Seoul Women's University, 621 Hwaragno Nowon-gu, Seoul, South Korea
| | - Abdulrahman I Almansour
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | | | - Palaniyappan Jayanthi
- Department of Environmental Science, Periyar University, Salem 636011, Tamil Nadu, India.
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19
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Winters JF, Foldager L, Krogh U, Nørskov NP, Sørensen MT. Impact of glyphosate residues in sow diets on neonatal piglets: tail kinks, stillborn and diarrhoea. Livest Sci 2023. [DOI: 10.1016/j.livsci.2023.105172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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20
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Sulukan E, Baran A, Şenol O, Kankaynar M, Yıldırım S, Bolat İ, Ceyhun HA, Toraman E, Ceyhun SB. Global warming and glyphosate toxicity (I): Adult zebrafish modelling with behavioural, immunohistochemical and metabolomic approaches. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:160086. [PMID: 36356745 DOI: 10.1016/j.scitotenv.2022.160086] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 10/24/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
Global warming further increases the toxic threat of environmental pollutants on organisms. In order to reveal the dimensions of this threat more clearly, it is of great importance that the studies be carried out with temperature differences as close as possible to the temperature values that will represent the global climate projection. In our study, how the toxicity of glyphosate, which is widely used around the world, on zebrafish changes with temperature increases of 0.5° was investigated on behavioral and molecular basis. For this purpose, adult zebrafish were exposed to glyphosate at concentrations of 1 ppm and 5 ppm for 96 h in four environments with a temperature difference of 0.5° (28.5; 29.0; 29.5; 30.0 °C). At the end of the exposure, half of the zebrafish were sampled and remaining half were left for a 10-day recovery process. At the end of the trials, zebrafish were subjected to circadian rhythm and anxiety tests. In addition, histopathological, immunohistochemical and metabolome analyses were performed on brain tissues. As a result, it has been detected that anxiety and circadian rhythm were disrupted in parallel with the increased temperature and glyphosate concentration, and increased histopathological findings and 5-HT4R and GNAT2 immunopositivity in the brain. As a result of metabolome analysis, more than thirty annotated metabolites have been determined due to the synergistic effect of temperature increase and glyphosate exposure. As a conclusion, it was concluded that even a temperature increase of 0.5° caused an increasing effect of glyphosate toxicity in the zebrafish model.
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Affiliation(s)
- Ekrem Sulukan
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Aquaculture Department, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Department of Aquaculture Engineering, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey
| | - Alper Baran
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Department of Food Quality Control and Analysis, Technical Vocational School, Atatürk University, Erzurum, Turkey
| | - Onur Şenol
- Department of Analytical Chemistry, Faculty of Pharmacy, Atatürk University, Erzurum, Turkey
| | - Meryem Kankaynar
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Department of Nanoscience and Nanoengineering, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey
| | - Serkan Yıldırım
- Department of Pathology, Faculty of Veterinary, Atatürk University, Erzurum, Turkey
| | - İsmail Bolat
- Department of Pathology, Faculty of Veterinary, Atatürk University, Erzurum, Turkey
| | - Hacer Akgül Ceyhun
- Department of Psychiatry, Faculty of Medicine, Atatürk University, Erzurum, Turkey
| | - Emine Toraman
- Department of Molecular Biology and Genetics, Faculty of Science, Atatürk University, Erzurum, Turkey
| | - Saltuk Buğrahan Ceyhun
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Aquaculture Department, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Department of Aquaculture Engineering, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey; Department of Nanoscience and Nanoengineering, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey.
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21
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Sulukan E, Baran A, Kankaynar M, Kızıltan T, Bolat İ, Yıldırım S, Ceyhun HA, Ceyhun SB. Global warming and glyphosate toxicity (II): Offspring zebrafish modelling with behavioral, morphological and immunohistochemical approaches. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 856:158903. [PMID: 36419276 DOI: 10.1016/j.scitotenv.2022.158903] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 09/02/2022] [Accepted: 09/17/2022] [Indexed: 06/16/2023]
Abstract
The increase in temperature due to global warming greatly affects the toxicity produced by pesticides in the aquatic ecosystem. Studies investigating the effects of such environmental stress factors on next generations are important in terms of the sustainability of ecosystems. In this study, the effects of parental synergistic exposure to glyphosate and temperature increase on the next generation were investigated in a zebrafish model. For this purpose, adult zebrafish were exposed to 1 ppm and 5 ppm glyphosate for 96 h at four different temperatures (28.5, 29.0, 29.5, 30.0 °C). At the end of this period, some of the fish were subjected to the recovery process for 10 days. At the end of both treatments, a new generation was taken from the fish and morphological, physiological, molecular and behavioral analysis were performed on the offspring. According to the results, in parallel with the 0.5-degree temperature increase applied to the parents with glyphosate exposure, lower survival rate, delay in hatching, increased body malformations and lower blood flow and heart rate were detected in the offspring. In addition, according to the results of whole mouth larva staining, increased apoptosis, free oxygen radical formation and lipid accumulation were detected in the offspring. Moreover, it has been observed that the temperature increases to which the parents are exposed affects the light signal transmission and serotonin pathways in the offspring, resulting in more dark/light locomotor activity and increased thigmotaxis.
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Affiliation(s)
- Ekrem Sulukan
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Aquaculture Department, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Department of Aquaculture Engineering, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey
| | - Alper Baran
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Department of Food Quality Control and Analysis, Technical Vocational School, Atatürk University, Erzurum, Turkey
| | - Meryem Kankaynar
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Department of Nanoscience and Nanoengineering, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey
| | - Tuğba Kızıltan
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Department of Nanoscience and Nanoengineering, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey
| | - İsmail Bolat
- Department of Pathology, Faculty of Veterinary, Atatürk University, Erzurum, Turkey
| | - Serkan Yıldırım
- Department of Pathology, Faculty of Veterinary, Atatürk University, Erzurum, Turkey
| | - Hacer Akgül Ceyhun
- Department of Psychiatry, Faculty of Medicine, Atatürk University, Erzurum, Turkey
| | - Saltuk Buğrahan Ceyhun
- Aquatic Biotechnology Laboratory, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Aquaculture Department, Fisheries Faculty, Atatürk University, Erzurum, Turkey; Department of Aquaculture Engineering, Graduate School of Natural and Applied Science, Atatürk University, Erzurum, Turkey.
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22
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Glyphosate-based herbicide (GBH) causes damage in embryo-larval stages of zebrafish (Danio rerio). Neurotoxicol Teratol 2023; 95:107147. [PMID: 36493994 DOI: 10.1016/j.ntt.2022.107147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 11/30/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022]
Abstract
Glyphosate-Based Herbicides (GBH) show risks to the environment and also to aquatic organisms, such as fish. The present work aimed to evaluate the effects of GBH and Pure Glyphosate (PG) exposure on Danio rerio embryos at drinking water concentrations. Zebrafish embryos were exposed to 250, 500, and 1000 μg L-1 of Roundup Original DI® and pure glyphosate for 96 h. Glyphosate concentration in water, parameters physicochemical water, survival, hatching rate, heart rate, malformations, behavior, and biomarkers were evaluated. We verified that at 6 h post-fertilization (hpf), animals exposed to GBH 500 showed decreased survival as compared to the control. The hatching rate increased in all groups exposed to GBH at 48 hpf as compared to the control group. The embryos exposed did not present changes in the spontaneous movement and touch response. Exposed groups to GBH demonstrated a higher number of malformations in fish embryos as compared to the control. Most malformations were: pericardial edema, yolk sac edema, body malformations, and curvature of the spine. In heart rate, bradycardia occurred in groups exposed, as predicted due to cardiac abnormalities. As biochemical endpoints, we observed a decrease in Glutathione S-transferase (GBH 250, GBH 500 and PG 250) and Acetylcholinesterase (GBH 250 and PG 250) activity. No differences were found between the groups in the concentration of protein, Total Antioxidant Capacity Against Peroxyl Radicals, Lipid peroxidation, Reactive Oxygen Species, Non-protein thiols, and Catalase. In conclusion, the damage in all evaluated stages of development was aggravated by survival and malformations. Therefore, the large-scale use of GBHs, coupled with the permissiveness of its presence could be the cause damage to the aquatic environment affecting the embryonic development of non-target organisms.
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23
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Alvarado-Suárez GB, Silva-Briano M, Arzate-Cárdenas MA, Carbajal-Hernández AL, Yáñez-Rivera B, Rico-Martínez R. Feeding behavior of early life stages of the zebrafish Danio rerio is altered by exposure to glyphosate. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:85172-85184. [PMID: 35794329 DOI: 10.1007/s11356-022-21790-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 06/28/2022] [Indexed: 06/15/2023]
Abstract
Glyphosate levels and the transfer of glyphosate across trophic levels have rarely been studied in zooplankton. The food preferences of zebrafish during the first-feeding stage (which is critical for the survival of organisms), were analyzed because of the requirement for live food. Larval survival begins to be affected when glyphosate intake exceeds 0.3666 µg/larvae/day, in the case that only the food is contaminated; if the medium is also contaminated, the effects on survival start from 0.2456 µg/larvae/day. It was shown that glyphosate was more likely to be incorporated through the medium than through the food (zooplankton), which supports the results of previous studies that have ruled out the potential for biomagnification. The bioconcentration factor (BCF) of glyphosate was determined using an ELISA tests specific to measure glyphosate in the fish D. rerio, the rotifers Brachionus calyciflorus and Lecane papuana, and the cladoceran Ceriodaphnia dubia. The experimental design consisted in exposing seven zebrafish adults per replica (four replicates) in three treatments 1, 5, and 10 mg/L of glyphosate for 96 h to obtain bioconcentration factors in the gills, liver, and muscle. These concentrations were selected as potential glyphosate concentrations right after application as double highest reported concentration. Glyphosate levels in zooplankton can represent up to 6.26% of the total weight of rotifers (BFC = 60.35) and in zebrafish adult organs were less than 8 µg/mg of tissue (BCF values < 6). Although glyphosate does not biomagnify, our results suggest that glyphosate affected the dynamics between zooplankton and zebrafish larvae, diminishing survival and feeding rates, given that zooplankton species bioconcentrate glyphosate in large quantities. The BCF values found in this contribution are higher than expected. Glyphosate exposure affected energy metabolism and feeding behavior of zebrafish larvae, which presented high mortality rates at environmentally relevant concentrations.
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Affiliation(s)
- Gabriela Beatriz Alvarado-Suárez
- Universidad Autónoma de Aguascalientes, Departamento de Biología, Avenida Universidad 940, Ags. C. P. 20131, Aguascalientes, Mexico
| | - Marcelo Silva-Briano
- Departamento de Química, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Avenida Universidad 940, Ciudad Universitaria Aguascalientes, Aguascalientes, 20131, México
| | - Mario Alberto Arzate-Cárdenas
- Universidad Autónoma de Aguascalientes, Departamento de Biología, Avenida Universidad 940, Ags. C. P. 20131, Aguascalientes, Mexico
- Cátedras CONACYT, Consejo Nacional de Ciencia Y Tecnología, Av. Insurgentes Sur 1582, Col. Crédito Constructor, Alcaldía Benito Juárez, Ciudad de México, 03940, México
| | - Ana Laura Carbajal-Hernández
- Universidad Autónoma de Aguascalientes, Departamento de Biología, Avenida Universidad 940, Ags. C. P. 20131, Aguascalientes, Mexico
| | - Beatriz Yáñez-Rivera
- Cátedras CONACYT, Consejo Nacional de Ciencia Y Tecnología, Av. Insurgentes Sur 1582, Col. Crédito Constructor, Alcaldía Benito Juárez, Ciudad de México, 03940, México.
- CIAD AC, Unidad Mazatlán en Acuicultura Y Manejo Ambiental, Avenida Sábalo-Cerritos S/N, Estero del Yugo, Mazatlán, Sin. 82112, México.
| | - Roberto Rico-Martínez
- Universidad Autónoma de Aguascalientes, Departamento de Biología, Avenida Universidad 940, Ags. C. P. 20131, Aguascalientes, Mexico.
- Departamento de Química, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Avenida Universidad 940, Ciudad Universitaria Aguascalientes, Aguascalientes, 20131, México.
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24
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Lanzarin GAB, Venâncio CAS, Félix LM, Monteiro SM. Evaluation of the developmental effects of a glyphosate-based herbicide complexed with copper, zinc, and manganese metals in zebrafish. CHEMOSPHERE 2022; 308:136430. [PMID: 36113654 DOI: 10.1016/j.chemosphere.2022.136430] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 08/07/2022] [Accepted: 09/09/2022] [Indexed: 06/15/2023]
Abstract
The use of glyphosate-based herbicides (GBH) has increased dramatically, being currently the most used herbicides worldwide. Glyphosate acts as a chelating agent, capable of chelate metals. The synergistic effects of metals and agrochemicals may pose an environmental problem as they have been shown to induce neurological abnormalities and behavioural changes in aquatic species. However, as their ecotoxicity effects are poorly understood, evaluating the impacts of GBH complexed with metals is an ecological priority. The main objective of the study was to evaluate the potentially toxic effects caused by exposure to a GBH (1 μg a.i. mL-1), alone or complexed with metals (Copper, Manganese, and Zinc (100 μg L-1)), at environmentally relevant concentrations, during the early period of zebrafish (Danio rerio) embryo development (96 h post-fertilization), a promising model for in vivo developmental studies. To clarify the mechanisms of toxicity involved, lethal and sublethal development endpoints were assessed. At the end of the exposure, biochemical and cell death parameters were evaluated and, 24 h later, different behavioural responses were assessed. The results showed that metals induced higher levels of toxicity. Copper caused high mortality, low hatching, malformations, and changes in biochemical parameters, such as decreased Catalase (CAT) activity, increased Glutathione Peroxidase (GPx), Glutathione S-Transferase (GST), reduced Glutathione (GSH) and decreased Acetylcholinesterase (AChE) activity, also inducing apoptosis and changes in larval behaviour. Manganese increased the activity of SODs enzymes. Zinc increased mortality, reactive oxygen species (ROS) levels, superoxide dismutase activity (SODs) and caused a decrease in AChE activity. Embryos/larvae exposed to the combination of GBH/Metal also showed teratogenic effects during their development but in smaller proportions than the metal alone. Although more studies are needed, the results suggest that GBH may interfere with the mechanisms of metal toxicity at the biochemical, physiological, and behavioural levels of zebrafish.
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Affiliation(s)
- Germano A B Lanzarin
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal.
| | - Carlos A S Venâncio
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; Department of Animal Science, School of Agrarian and Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; Inov4Agro, Institute for Innovation, Capacity Building and Sustainability of Agri-food Production, University of Trás-os Montes and Alto Douro (UTAD), Vila Real, Portugal
| | - Luís M Félix
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; Inov4Agro, Institute for Innovation, Capacity Building and Sustainability of Agri-food Production, University of Trás-os Montes and Alto Douro (UTAD), Vila Real, Portugal
| | - Sandra M Monteiro
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; Department of Biology and Environment, School of Life and Environmental Sciences, University of Trás-os Montes and Alto Douro (UTAD), Vila Real, Portugal; Inov4Agro, Institute for Innovation, Capacity Building and Sustainability of Agri-food Production, University of Trás-os Montes and Alto Douro (UTAD), Vila Real, Portugal
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25
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Ribeiro YM, Moreira DP, Weber AA, Sales CF, Melo RMC, Bazzoli N, Rizzo E, Paschoalini AL. Adverse effects of herbicides in freshwater Neotropical fish: A review. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 252:106293. [PMID: 36148734 DOI: 10.1016/j.aquatox.2022.106293] [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: 02/01/2022] [Revised: 09/04/2022] [Accepted: 09/08/2022] [Indexed: 06/16/2023]
Abstract
Although herbicides have been developed to act on the physiological processes of plants, they are responsible for causing deleterious effects on animals. These chemical compounds are widely used throughout the world, but especially in countries that export agricultural products such as Central and South America, their use has increased in recent years. Aquatic environments are natural reservoirs of herbicides, which after being applied on crops, run off through the soil reaching rivers, lakes, and oceans. Fish are among the many organisms affected by the contamination of aquatic environments caused by herbicides. These animals play an important ecological role and are a major source of food for humans. However, few studies address the effects of herbicides on fish in this region. Thus, in the present review we discuss the morphophysiological and molecular consequences of herbicide exposure in Neotropical fish systems as well as how the environmental and land use characteristics in this region can influence the toxicity of these pollutants. A toxicity pathway framework was developed summarizing the mechanisms by which herbicides act and endpoints that need to be further investigated.
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Affiliation(s)
- Yves Moreira Ribeiro
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | - Davidson Peruci Moreira
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | | | - Camila Ferreira Sales
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | - Rafael Magno Costa Melo
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | - Nilo Bazzoli
- Programa de Pós-graduação em Biologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, PUC Minas, Belo Horizonte, Minas Gerais, Brasil
| | - Elizete Rizzo
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | - Alessandro Loureiro Paschoalini
- Programa de Pós-graduação em Biologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, PUC Minas, Belo Horizonte, Minas Gerais, Brasil.
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26
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Ames J, Miragem AA, Cordeiro MF, Cerezer FO, Loro VL. Effects of glyphosate on zebrafish: a systematic review and meta-analysis. ECOTOXICOLOGY (LONDON, ENGLAND) 2022; 31:1189-1204. [PMID: 36065034 DOI: 10.1007/s10646-022-02581-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/22/2022] [Indexed: 06/15/2023]
Abstract
Glyphosate herbicide is widely used in worldwide crop production. Consequently, its active ingredient, surfactants, and adjuvants commonly reach the aquatic ecosystem, thereby harming the biota. An investigation into how this herbicide affects aquatic species is important, especially in fish, as they have the ability to absorb and concentrate toxins. We aimed to evaluate the effects of glyphosate on the embryonic, larval and adult stages of zebrafish (Danio rerio), an appreciable organismal model. In this sense, we performed a meta-analysis using published articles from online databases (PubMed and ScienceDirect), which covered studies published until 2022. From a massive compilation of studies evaluating the effects of active substance glyphosate and Glyphosate-Based Herbicides (GBH) on zebrafish, we selected 36 studies used in downstream analyses. Overall, we report that glyphosate affects developmental stages and demonstrates toxicity and damage in zebrafish. We observed that embryos exposed to glyphosate exhibit increased mortality. There was also an increase in the number of morphological abnormalities related to yolk sac oedema, pericardial oedema, spinal curvature and body malformations, and a decrease in body size was observed. Furthermore, there was a decrease in the number of beats. The biochemical results demonstrated an increase in reactive oxygen species and antioxidant capacity against peroxyl radicals in the gills. The literature shows that glyphosate decreased the distance covered and the mean speed of the animals and increased the number of rotations. We concluded that glyphosate causes damage in the embryonic, larval and adult stages of this species. These results are valid for zebrafish and can be applied to other freshwater fish species. Graphical abstract.
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Affiliation(s)
- Jaíne Ames
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
- Laboratório de Análises Biológicas, Instituto Federal de Educação, Ciência e Tecnologia Farroupilha, Santa Rosa, RS, 98787-740, Brazil
- Laboratório de Toxicologia Aquática, Universidade Federal de Santa Maria, Santa Maria, RS, 97105-900, Brazil
| | - Antônio Azambuja Miragem
- Laboratório de Análises Biológicas, Instituto Federal de Educação, Ciência e Tecnologia Farroupilha, Santa Rosa, RS, 98787-740, Brazil
| | - Marcos Freitas Cordeiro
- Programa de Pós-Graduação em Biociências e Saúde, Universidade do Oeste de Santa Catarina, Joaçaba, SC, Brazil
| | - Felipe Osmari Cerezer
- Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Vania Lucia Loro
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil.
- Laboratório de Análises Biológicas, Instituto Federal de Educação, Ciência e Tecnologia Farroupilha, Santa Rosa, RS, 98787-740, Brazil.
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Terrazas-Salgado L, Yáñez-Rivera B, Llera-Herrera R, García-Gasca A, Alvarado-Cruz I, Betancourt-Lozano M. Transcriptomic signaling in zebrafish ( Danio rerio) embryos exposed to environmental concentrations of glyphosate. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2022; 57:775-785. [PMID: 36048159 DOI: 10.1080/03601234.2022.2115780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Glyphosate [N-(phosphonomethyl)glycine] is one of the most popular herbicides worldwide. Globally, the use of glyphosate is increasing, and its residues have been found in drinking water and food products. The data regarding the possible toxic effects of this herbicide are controversial. Therefore, the aim of this study was to evaluate the effects of glyphosate at environmental concentrations in zebrafish (Danio rerio) embryos. Embryos were exposed to 0, 1, 100, and 1,000 µg/L glyphosate for 96 h, and mortality, heart rate, and hatching rate were evaluated. After the experiment, RNA was extracted from the embryos for transcriptional analysis. No mortality was recorded, and exposure to 100 µg/L and 1,000 µg/L of glyphosate resulted in lower heart rates at 48 h. In addition, RNA-seq analysis revealed that glyphosate exposure induced subtle changes in gene transcription profiles. We found 30 differentially expressed genes; however, the highest glyphosate concentration (1,000 µg/L) induced the greatest number of differentially expressed genes involved in oocyte maturation, metabolic processes, histone deacetylation, and nervous system development.
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Affiliation(s)
- Luis Terrazas-Salgado
- Centro de Investigación en Alimentación y Desarrollo, A. C. Avenida Sábalo-Cerritos S/N, Mazatlán, Sinaloa, México
| | - Beatriz Yáñez-Rivera
- Centro de Investigación en Alimentación y Desarrollo, A. C. Avenida Sábalo-Cerritos S/N, Mazatlán, Sinaloa, México
- Consejo Nacional de Ciencia y Tecnología, Ciudad de México, México
| | - Raúl Llera-Herrera
- Instituto de Ciencias del Mar y Limnología - Unidad Académica Mazatlán, Universidad Nacional Autónoma de México, Mazatlán, Sinaloa, México
| | - Alejandra García-Gasca
- Centro de Investigación en Alimentación y Desarrollo, A. C. Avenida Sábalo-Cerritos S/N, Mazatlán, Sinaloa, México
| | - Isabel Alvarado-Cruz
- Department of Cellular and Molecular Medicine, University of Arizona Cancer Center, Tucson, Arizona, USA
| | - Miguel Betancourt-Lozano
- Centro de Investigación en Alimentación y Desarrollo, A. C. Avenida Sábalo-Cerritos S/N, Mazatlán, Sinaloa, México
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Falfushynska H, Khatib I, Kasianchuk N, Lushchak O, Horyn O, Sokolova IM. Toxic effects and mechanisms of common pesticides (Roundup and chlorpyrifos) and their mixtures in a zebrafish model (Danio rerio). THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 833:155236. [PMID: 35427626 DOI: 10.1016/j.scitotenv.2022.155236] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/05/2022] [Accepted: 04/08/2022] [Indexed: 06/14/2023]
Abstract
Agrochemicals can adversely affect biodiversity, environment and human health, and commonly occur in mixtures with poorly characterized toxic mechanisms and health hazards. Here, we evaluated the individual and mixture toxicities of Roundup and chlorpyrifos in environmentally relevant concentrations to zebrafish using molecular and biochemical indices. Studied pesticides alone and in combination caused depletion of total antioxidant capacity and cellular thiols, overproduction of ROS, accumulation of oxidative lesions and elevated DNA damage in zebrafish liver. Notably, low concentration of Roundup induced a hormesis-like effect by stimulating the protective cellular mechanisms. Chlorpyrifos showed stronger prooxidant effects than Roundup and additionally caused nitrosative and carbonyl stress in zebrafish. At the organismal level, studied pesticides and their mixtures induced hepato- and neurotoxicity. The effects of the studied pesticides on biomarkers of apoptosis, endocrine disruption and immune disorders were generally weak and inconsistent. The multibiomarker assessment showed that chlorpyrifos is considerably more toxic than Roundup to zebrafish. The toxic effects of the pesticide mixtures were mostly driven by chlorpyrifos, with minimal or mitigating effects of Roundup addition. These findings elucidate the toxic mechanisms of common pesticides in a model vertebrate and demonstrate that health hazards of pesticide mixtures cannot be predicted from the effects of single pesticides.
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Affiliation(s)
- Halina Falfushynska
- Department of Physical Rehabilitation and Vital Activity, Ternopil V. Hnatiuk National Pedagogical University, Ternopil, Ukraine; Department of Marine Biology, Institute for Biological Sciences, University of Rostock, Rostock, Germany
| | - Ihab Khatib
- Department of Physical Rehabilitation and Vital Activity, Ternopil V. Hnatiuk National Pedagogical University, Ternopil, Ukraine
| | - Nadiia Kasianchuk
- Department of Physical Rehabilitation and Vital Activity, Ternopil V. Hnatiuk National Pedagogical University, Ternopil, Ukraine
| | - Oleg Lushchak
- Department of Biochemistry, Vasyl Stefanyk Precarpathian National University, Ivano-Frankivsk, Ukraine; Research and Development University, 13a Shota Rustaveli Str., Ivano-Frankivsk, 76018, Ukraine
| | - Oksana Horyn
- Department of Physical Rehabilitation and Vital Activity, Ternopil V. Hnatiuk National Pedagogical University, Ternopil, Ukraine
| | - Inna M Sokolova
- Department of Marine Biology, Institute for Biological Sciences, University of Rostock, Rostock, Germany; Department of Maritime Systems, Interdisciplinary Faculty, University of Rostock, Rostock, Germany.
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Bellec L, Le Du-Carré J, Almeras F, Durand L, Cambon-Bonavita MA, Danion M, Morin T. Glyphosate-based herbicide exposure: effects on gill microbiota of rainbow trout (Oncorhynchus mykiss) and the aquatic bacterial ecosystem. FEMS Microbiol Ecol 2022; 98:fiac076. [PMID: 35749560 DOI: 10.1093/femsec/fiac076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 04/28/2022] [Accepted: 06/22/2022] [Indexed: 11/13/2022] Open
Abstract
The herbicide glyphosate has been widely used in the past 40 years, under the assumption that side effects were minimal. In recent years, its impact on microbial compositions and potential indirect effects on plant, animal and human health have been strongly suspected. Glyphosate and co-formulates have been detected in various water sources, but our understanding of their potential effects on aquatic animals is still in its infancy compared with mammals. In this study, we investigated the effect of chronic exposure to an environmentally relevant concentration of glyphosate on bacterial communities of rainbow trout (Oncorhynchus mykiss). Gills, gut contents and gut epithelia were then analyzed by metabarcoding targeting the 16S rRNA gene. Our results revealed that rainbow trout has its own bacterial communities that differ from their surrounding habitats and possess microbiomes specific to these three compartments. The glyphosate-based herbicide treatment significantly affected the gill microbiome, with a decrease in diversity. Glyphosate treatments disrupted microbial taxonomic composition and some bacteria seem to be sensitive to this environmental pollutant. Lastly, co-occurrence networks showed that microbial interactions in gills tended to decrease with chemical exposure. These results demonstrate that glyphosate could affect microbiota associated with aquaculture fish.
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Affiliation(s)
- Laure Bellec
- University of Bordeaux - UMR EPOC 5805 CNRS - Aquatic Ecotoxicology team - Place du Dr Peyneau, F-33120 Arcachon, France
| | - Jessy Le Du-Carré
- ANSES, Agence Nationale de Sécurité Sanitaire de l'Alimentation, de l'Environnement et du Travail - Laboratoire de Ploufragan-Plouzané-Niort, Unité Virologie, immunologie et écotoxicologie des poissons, F-29280 Plouzané, France
| | - Fabrice Almeras
- ANSES, Agence Nationale de Sécurité Sanitaire de l'Alimentation, de l'Environnement et du Travail - Laboratoire de Ploufragan-Plouzané-Niort, Unité Virologie, immunologie et écotoxicologie des poissons, F-29280 Plouzané, France
| | - Lucile Durand
- University of Brest, Ifremer, CNRS, Laboratoire de Microbiologie des Environnements Extrêmes, F-29280 Plouzané, France
| | - Marie-Anne Cambon-Bonavita
- University of Brest, Ifremer, CNRS, Laboratoire de Microbiologie des Environnements Extrêmes, F-29280 Plouzané, France
| | - Morgane Danion
- ANSES, Agence Nationale de Sécurité Sanitaire de l'Alimentation, de l'Environnement et du Travail - Laboratoire de Ploufragan-Plouzané-Niort, Unité Virologie, immunologie et écotoxicologie des poissons, F-29280 Plouzané, France
| | - Thierry Morin
- ANSES, Agence Nationale de Sécurité Sanitaire de l'Alimentation, de l'Environnement et du Travail - Laboratoire de Ploufragan-Plouzané-Niort, Unité Virologie, immunologie et écotoxicologie des poissons, F-29280 Plouzané, France
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Costa G, Fernandes A, Santos T, Brito L, Rodrigues L, Valadares M, Felzenszwalb I, Ferraz E, Morais Leme D, Oliveira G. In vitro and in vivo cytotoxicity assessment of glyphosate and imazethapyr-based herbicides and their association. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2022; 85:481-493. [PMID: 35189772 DOI: 10.1080/15287394.2022.2036281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Resistance to glyphosate herbicide has initiated usage of combined application of herbicides as a weed control measure. Imazethapyr-based herbicides associated with glyphosate herbicide seem to be an alternative to suppress weed resistance. The aim of this study was to examine the adverse effects of Glyphosate Atanor 48® (ATN) and Imazethapyr Plus Nortox® (IMZT) formulations in both single forms and mixtures using HepG2 cells and zebrafish early-life stages models. Data demonstrated cytotoxicity due to exposure to ATN, IMZT for both models, as follows: (1) ATN (0.5 mg/L), IMZT (5 mg/L), and M3 (0.05 mg/L ATN + 5 mg/L IMZT) increased cytotoxicity by disturbing the mitochondrial activity of HepG2 cells 24 hr after exposure; (2) ATN and IMZT (5 mg/L), and M3 (0.05 mg/L ATN + 5 mg/L IMZT) also decreased the integrity of the membrane of HepG2 cells after 24 hr incubation; (3) only ATN and IMZT (5 mg/L) in their single forms diminished the mitochondrial potential of zebrafish; (4) ATN (single form) at 0.5 mg/L induced apoptosis in zebrafish larvae. In conclusion, these herbicides in their single forms appeared to produce greater cytotoxicity to HepG2 cells and zebrafish compared to the herbicide mixtures.
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Affiliation(s)
- Gessyca Costa
- Environmental Toxicology Research Laboratory (EnvTox), Faculty of Pharmacy, Federal University of Goiás (UFG), Goiânia, Brazil
| | - Andréia Fernandes
- Department of Biophysics and Biometry, Institute of Biology Roberto Alcantara Gomes, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
| | - Thaís Santos
- Laboratory of Teaching and Research in Toxicology in Vitro (ToxIn), Faculty of Pharmacy, Federal University of Goiás (UFG), Goiânia, Brazil
| | - Lara Brito
- Environmental Toxicology Research Laboratory (EnvTox), Faculty of Pharmacy, Federal University of Goiás (UFG), Goiânia, Brazil
- Laboratory of Teaching and Research in Toxicology in Vitro (ToxIn), Faculty of Pharmacy, Federal University of Goiás (UFG), Goiânia, Brazil
| | - Laís Rodrigues
- Environmental Toxicology Research Laboratory (EnvTox), Faculty of Pharmacy, Federal University of Goiás (UFG), Goiânia, Brazil
| | - Marize Valadares
- Laboratory of Teaching and Research in Toxicology in Vitro (ToxIn), Faculty of Pharmacy, Federal University of Goiás (UFG), Goiânia, Brazil
| | - Israel Felzenszwalb
- Department of Biophysics and Biometry, Institute of Biology Roberto Alcantara Gomes, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
| | - Elisa Ferraz
- Department of Pharmacy and Pharmaceutical Administration, Pharmacy College, Fluminense Federal University (UFF), Niterói, Brazil
- Institute of Chemistry, National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), UNESP, Araraquara, Brazil
| | - Daniela Morais Leme
- Institute of Chemistry, National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), UNESP, Araraquara, Brazil
- Departament of Genetics, Federal University of Paraná (UFPR), Curitiba, Brazil
| | - Gisele Oliveira
- Environmental Toxicology Research Laboratory (EnvTox), Faculty of Pharmacy, Federal University of Goiás (UFG), Goiânia, Brazil
- Institute of Chemistry, National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), UNESP, Araraquara, Brazil
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31
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Hassan MA, Hozien ST, Abdel Wahab MM, Hassan AM. Risk assessment of glyphosate and malathion pollution and their potential impact on Oreochromis niloticus: role of organic selenium supplementation. Sci Rep 2022; 12:9992. [PMID: 35705587 PMCID: PMC9200714 DOI: 10.1038/s41598-022-13216-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 05/23/2022] [Indexed: 11/09/2022] Open
Abstract
A field survey was conducted on five fish farms to trace glyphosate and malathion pollution with some physicochemical parameters. A precise half-life time, LC50-96h, of these agrochemicals on Oreochromis niloticus, as well as chronic exposure with organic selenium (OS) supplementation, were experimentally investigated. Oreochromis niloticus was subjected to the following: (negative control); (2 mg L-1 glyphosate); (0.5 mg L-1 malathion); (glyphosate 1.6 mg L-1 and 0.3 mg L-1 malathion); (glyphosate 2 mg L-1 and OS 0.8 g kg-1 diet); (malathion 0.5 mg L-1 and OS 0.8 g kg-1 diet) and (glyphosate 1.6 mg L-1; malathion 0.3 mg L-1 and OS 0.8 g kg-1 diet). Furthermore, data from the analyzed pond revealed a medium risk quotient (RQ) for both agrochemicals. The detected agrochemicals were related to their application, and vegetation type surrounding the farms, also their biodegradation was correlated to water pH, temperature, and salinity. Glyphosate and malathion had half-lives of 2.8 and 2.3 days and LC50-96h of 2.331 and 0.738 mg L-1, respectively. The severest nervous symptoms; increased oxidative stress markers, as well as high bacterial count in the livers and kidneys of fish challenged with Aeromonas hydrophila, were observed in the combined exposure, followed by a single exposure to malathion and then glyphosate. Organic selenium mitigated these impacts.
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Affiliation(s)
- Marwa A Hassan
- Department of Animal Hygiene, Zoonoses and Behavior, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt.
| | - Samaa T Hozien
- Animal Health Research Institute, Ismailia, 41522, Egypt
| | | | - Ahmed M Hassan
- Department of Animal Hygiene, Zoonoses and Behavior, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt
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32
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Liu Z, Shangguan Y, Zhu P, Sultan Y, Feng Y, Li X, Ma J. Developmental toxicity of glyphosate on embryo-larval zebrafish (Danio rerio). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 236:113493. [PMID: 35398647 DOI: 10.1016/j.ecoenv.2022.113493] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 04/02/2022] [Accepted: 04/04/2022] [Indexed: 06/14/2023]
Abstract
Glyphosate (GLY) induces developmental toxicity in fish, but research on the toxicity mechanism is limited. In this study, zebrafish embryos were exposed for 120 hpf to 0.7, 7, and 35 mg L-1 GLY. The results show that GLY treatment induced developmental toxicity in the fish, including premature hatching, reduced heartbeats, pericardial and yolk sac oedema, swim bladder deficiency, and shortened body length, which was possibly due to a significantly decreased triiodothyronine (T3)/thyroxine (T4) ratio and the abnormal expression patterns of hypothalamic-pituitary-thyroid (HPT) (crh, tshβ, tr α, tr β, and t tr ) and growth hormone/insulin-like growth factor (GH/IGF) axis-related genes (gh, ghrα, ghrβ, igf1, igf1rα, and igf1rβ) in larvae exposed to GLY. In addition, GLY exposure altered the levels of SOD and CAT, increased ROS, promoted malondialdehyde (MDA) content, and significantly altered the levels of endoplasmic reticulum (ER) stress signalling pathway factors (perk, eif2α, gadd34, atf4, ire1α, xbp1, atf6, hspa5, and chop), suggesting that GLY treatment induced oxidative injury and ER stress in the larvae. Further research showed that treatment with a higher concentration of GLY upregulated the levels of iNOS, IL-1β, and TNF-α while inhibiting the expression of IL-10 and TGF-β, suggesting that GLY causes an inflammatory reaction in the larvae. In addition, we also found that apoptosis was induced in the larvae, which was determined by acridine orange staining and abnormal expression of p53, caspase-3, -8, and -9. Taken together, our results demonstrate that GLY exposure altered the T3/T4 ratio, disturbed the expression patterns of HPT and GH/IGF axis-related genes, and induced oxidative and ER stress, inflammatory reactions, and apoptosis in the zebrafish larvae. This investigation contributes to improved understanding of the developmental toxicity mechanism of GLY in fish.
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Affiliation(s)
- Zhihui Liu
- Henan International Joint Laboratory of Aquatic Toxicology and Health Protection, College of Life Science, Henan Normal University, Xinxiang, Henan 453007, China
| | - Yingying Shangguan
- Henan International Joint Laboratory of Aquatic Toxicology and Health Protection, College of Life Science, Henan Normal University, Xinxiang, Henan 453007, China
| | - Penglin Zhu
- Henan International Joint Laboratory of Aquatic Toxicology and Health Protection, College of Life Science, Henan Normal University, Xinxiang, Henan 453007, China
| | - Yousef Sultan
- Department of Food Toxicology and Contaminants, National Research Centre, Dokki, Cairo 12622, Egypt
| | - Yiyi Feng
- Henan International Joint Laboratory of Aquatic Toxicology and Health Protection, College of Life Science, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xiaoyu Li
- Henan International Joint Laboratory of Aquatic Toxicology and Health Protection, College of Life Science, Henan Normal University, Xinxiang, Henan 453007, China
| | - Junguo Ma
- Henan International Joint Laboratory of Aquatic Toxicology and Health Protection, College of Life Science, Henan Normal University, Xinxiang, Henan 453007, China.
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Masud N, Davies-Jones A, Griffin B, Cable J. Differential effects of two prevalent environmental pollutants on host-pathogen dynamics. CHEMOSPHERE 2022; 295:133879. [PMID: 35131271 DOI: 10.1016/j.chemosphere.2022.133879] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 01/15/2022] [Accepted: 02/02/2022] [Indexed: 06/14/2023]
Abstract
Chemical pollutants are a major factor implicated in freshwater habitat degradation and species loss. Microplastics and glyphosate-based herbicides are prevalent pollutants with known detrimental effects on animal welfare but our understanding of their impacts on infection dynamics are limited. Within freshwater vertebrates, glyphosate formulations reduce fish tolerance to infections, but the effects of microplastic consumption on disease tolerance have thus far not been assessed. Here, we investigated how microplastic (polypropylene) and the commercial glyphosate-based herbicide, Roundup®, impact fish tolerance to infectious disease and mortality utilising a model fish host-pathogen system. For uninfected fish, microplastic and Roundup had contrasting impacts on mortality as individual stressors, with microplastic increasing and Roundup decreasing mortality compared with control fish not exposed to pollutants. Concerningly, microplastic and Roundup combined had a strong interactive reversal effect by significantly increasing host mortality for uninfected fish (73% mortality). For infected fish, the individual stressors also had contrasting effects on mortality, with microplastic consumption not significantly affecting mortality and Roundup increasing mortality to 55%. When combined, these two pollutants had a moderate interactive synergistic effect on mortality levels of infected fish (53% mortality). Both microplastic and Roundup individually had significant and contrasting impacts on pathogen metrics with microplastic consumption resulting in fish maintaining infections for significantly longer and Roundup significantly reducing pathogen burdens. When combined, the two pollutants had a largely additive effect in reducing pathogen burdens. This study is the first to reveal that microplastic and Roundup individually and interactively impact host-pathogen dynamics and can prove fatal to fish.
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Affiliation(s)
- Numair Masud
- Cardiff University, School of Biosciences, Sir Martin Evans Building, CF10 3AX, UK.
| | - Alice Davies-Jones
- Cardiff University, School of Biosciences, Sir Martin Evans Building, CF10 3AX, UK
| | - Ben Griffin
- Cardiff University, School of Biosciences, Sir Martin Evans Building, CF10 3AX, UK
| | - Jo Cable
- Cardiff University, School of Biosciences, Sir Martin Evans Building, CF10 3AX, UK
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Exposure of pigs to glyphosate affects gene-specific DNA methylation and gene expression. Toxicol Rep 2022; 9:298-310. [PMID: 35284244 PMCID: PMC8908043 DOI: 10.1016/j.toxrep.2022.02.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 02/09/2022] [Accepted: 02/14/2022] [Indexed: 12/24/2022] Open
Abstract
Glyphosate (N-(phosphonomethyl)glycine) is a broad-spectrum systemic herbicide and crop desiccant. Glyphosate has long been suspected of leading to the development of cancer and of compromising fertility. Herbicides have been increasingly recognized as epigenetic modifiers, and the impact of glyphosate on human and animal health might be mediated by epigenetic modifications. This article presents the results from an animal study where pigs were exposed to glyphosate while feeding. The experimental setup included a control group with no glyphosate added to the feed and two groups of pigs with 20 ppm and 200 ppm of glyphosate added to the feed, respectively. After exposure, the pigs were dissected, and tissues of the small intestine, liver, and kidney were used for DNA methylation and gene expression analyses. No significant change in global DNA methylation was found in the small intestine, kidney, or liver. Methylation status was determined for selected genes involved in various functions such as DNA repair and immune defense. In a CpG island of the promoter for IL18, we observed significantly reduced DNA methylation for certain individual CpG positions. However, this change in DNA methylation had no influence on IL18 mRNA expression. The expression of the DNA methylation enzymes DNMT1, DNMT3A, and DNMT3B was measured in the small intestine, kidney, and liver of pigs exposed to glyphosate. No significant changes in relative gene expression were found for these enzymes following dietary exposure to 20 and 200 ppm glyphosate. In contrast, a significant increase in expression of the enzyme TET3, responsible for demethylation, was observed in kidneys exposed to 200 ppm glyphosate. A large animal study with exposure of pigs to glyphosate is presented here. Pigs were exposed to 20 ppm and 200 ppm in the diet. No significant changes in global DNA methylation was observed. A significantly reduced DNA methylation was found in the porcine IL18 promoter. A significant increase in TET3 expression was seen in porcine kidneys exposed to 200 ppm glyphosate.
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Zhang W, Wang J, Song J, Feng Y, Zhang S, Wang N, Liu S, Song Z, Lian K, Kang W. Effects of low-concentration glyphosate and aminomethyl phosphonic acid on zebrafish embryo development. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 226:112854. [PMID: 34619474 DOI: 10.1016/j.ecoenv.2021.112854] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 09/23/2021] [Accepted: 09/29/2021] [Indexed: 06/13/2023]
Abstract
Glyphosate (GLY) is the most widely used broad-spectrum, non-selective herbicide in the world, whose main degradation product is aminomethyl phosphonic acid (AMPA). Because of long-term and large-scale use, residual GLY and AMPA in the environment pose great environmental and human health threats. The purpose of this study is to evaluate the effects and mechanism of residual low-concentrations of GLY and AMPA in the environment on the development of zebrafish embryos. Zebrafish embryos were exposed to 0, 1, 10, 100, and 700 ng·mL-1 GLY and AMPA for 72 h (from 2 to 74 h post-fertilization). With increasing exposure dose, heart rates of both embryos and larvae showed a rising trend and obvious arrhythmia appeared. Defects in cardiac development and function of zebrafish juveniles may be related to altered transcription levels of cardiac development genes (TBX5, NKX2.5, BMP4) and apoptosis genes (Bcl-2, Bax). In addition, pericardial edema and bone deformation of zebrafish embryos may be caused by inhibition of Na+/K+-ATPase and Ca2+-ATPase after exposure to GLY and AMPA. The present results demonstrated that at typical environmental residual concentrations of GLY and AMPA had similar developmental toxicity in zebrafish embryos.
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Affiliation(s)
- Weidong Zhang
- Department of Pharmacy, The First Hospital of Qinhuangdao, Qinhuangdao, Hebei 066000, China; School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Jiachao Wang
- Department of Immunology, Key Laboratory of Immune Mechanism and Intervention on Serious Disease in Hebei Province, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Jianshi Song
- The School of Basic Medicine, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Yanru Feng
- School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Shujuan Zhang
- School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Na Wang
- Department of Pharmacy, The First Hospital of Qinhuangdao, Qinhuangdao, Hebei 066000, China
| | - Shufeng Liu
- Department of Genetics, Hebei Key Lab of Laboratory animal, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Zhixue Song
- Department of Genetics, Hebei Key Lab of Laboratory animal, Hebei Medical University, Shijiazhuang, Hebei 050017, China
| | - Kaoqi Lian
- School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China; Hebei Province Key Laboratory of Environment and Human Health, Hebei Medical University, Shijiazhuang, 050017, China.
| | - Weijun Kang
- School of Public Health, Hebei Medical University, Shijiazhuang, Hebei 050017, China.
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Martins AWS, Silveira TLR, Remião MH, Domingues WB, Dellagostin EN, Junior ASV, Corcini CD, Costa PG, Bianchini A, Somoza GM, Robaldo RB, Campos VF. Acute exposition to Roundup Transorb® induces systemic oxidative stress and alterations in the expression of newly sequenced genes in silverside fish (Odontesthes humensis). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:65127-65139. [PMID: 34228309 DOI: 10.1007/s11356-021-15239-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 06/25/2021] [Indexed: 06/13/2023]
Abstract
Roundup Transorb® (RDT) is a glyphosate-based herbicide commonly used in agricultural practices worldwide. This herbicide exerts negative effects on the aquatic ecosystem and affects bioenergetic and detoxification pathways, oxidative stress, and cell damage in marine organisms. These effects might also occur at the transcriptional level; however, the expression of genes associated with oxidative stress has not been studied well. Odontesthes humensis is a native Brazilian aquatic species naturally distributed in the habitats affected by pesticides, including Roundup Transorb® (RDT). This study evaluated the toxic effects of short-term exposure to RDT on O. humensis. Moreover, the genes related to oxidative stress were sequenced and characterized, and their expressions in the gills, hepatopancreas, kidneys, and brain of the fish were quantified by quantitative reverse transcription-polymerase chain reaction. The animals were exposed to two environmentally relevant concentrations of RDT (2.07 and 3.68 mg L-1) for 24 h. Lipid peroxidation, reactive oxygen species (ROS), DNA damage, and apoptosis in erythrocytes were quantified by flow cytometry. The expression of the target genes was modulated in most tissues in the presence of the highest tested concentration of RDT. In erythrocytes, the levels of lipid peroxidation, ROS, and DNA damage were increased in the presence of both the concentrations of RDT, whereas cell apoptosis was increased in the group exposed to 3.68 mg L-1 RDT. In conclusion, acute exposure to RDT caused oxidative stress in the fish, induced negative effects on cells, and modulated the expression of genes related to the enzymatic antioxidant system in O. humensis.
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Affiliation(s)
- Amanda Weege S Martins
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - Tony L R Silveira
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brasil
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brasil
| | - Mariana H Remião
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - William Borges Domingues
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - Eduardo N Dellagostin
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - Antônio Sergio Varela Junior
- Laboratório de Reprodução Animal, Programa de Pós-Graduação em Biologia de Ambientes Aquáticos Continentais, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brasil
- ReproPel, Programa de Pós-Graduação em Veterinária, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - Carine D Corcini
- ReproPel, Programa de Pós-Graduação em Veterinária, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - Patrícia G Costa
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brasil
| | - Adalto Bianchini
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brasil
| | - Gustavo M Somoza
- Instituto Tecnológico de Chascomús (Consejo Nacional de Investigaciones Científicas y Técnicas-Universidad Nacional de San Martin), 7130, Chascomús, Argentina
| | - Ricardo B Robaldo
- Laboratório de Fisiologia de Animais Aquáticos, Instituto de Biologia, Universidade Federal de Pelotas, Pelotas, RS, Brasil
| | - Vinicius Farias Campos
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brasil.
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Lanzarin G, Venâncio C, Félix LM, Monteiro S. Inflammatory, Oxidative Stress, and Apoptosis Effects in Zebrafish Larvae after Rapid Exposure to a Commercial Glyphosate Formulation. Biomedicines 2021; 9:biomedicines9121784. [PMID: 34944599 PMCID: PMC8698920 DOI: 10.3390/biomedicines9121784] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 11/23/2021] [Accepted: 11/23/2021] [Indexed: 01/24/2023] Open
Abstract
Glyphosate-based herbicides (GBH) are the most used herbicides in the world, carrying potentially adverse consequences to the environment and non-target species due to their massive and inadequate use. This study aimed to evaluate the effects of acute exposure to a commercial formulation of glyphosate, Roundup® Flex (RF), at environmentally relevant and higher concentrations in zebrafish larvae through the assessment of the inflammatory, oxidative stress and cell death response. Transgenic Tg(mpxGFP)i114 and wild-type (WT) zebrafish larvae (72 h post-fertilisation) were exposed to 1, 5, and 10 µg mL-1 of RF (based on the active ingredient concentration) for 4 h 30 min. A concentration of 2.5 µg mL-1 CuSO4 was used as a positive control. Copper sulphate exposure showed effectiveness in enhancing the inflammatory profile by increasing the number of neutrophils, nitric oxide (NO) levels, reactive oxygen species (ROS), and cell death. None of the RF concentrations tested showed changes in the number of neutrophils and NO. However, the concentration of 10 µg a.i. mL-1 was able to induce an increase in ROS levels and cell death. The activity of antioxidant enzymes (superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx)), the biotransformation activity, the levels of reduced (GSH) and oxidised (GSSG) glutathione, lipid peroxidation (LPO), lactate dehydrogenase (LDH), and acetylcholinesterase (AChE) were similar among groups. Overall, the evidence may suggest toxicological effects are dependent on the concentration of RF, although at concentrations that are not routinely detected in the environment. Additional studies are needed to better understand the underlying molecular mechanisms of this formulation.
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Affiliation(s)
- Germano Lanzarin
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal;
- Correspondence: (G.L.); (L.M.F.); (S.M.)
| | - Carlos Venâncio
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal;
- Department of Animal Science, School of Agrarian and Veterinary Sciences, UTAD, 5000-801 Vila Real, Portugal
- Animal and Veterinary Research Center (CECAV), UTAD, 5000-801 Vila Real, Portugal
- Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production (Inov4Agro), UTAD, 5000-801 Vila Real, Portugal
| | - Luís M. Félix
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal;
- Instituto de Investigação e Inovação em Saúde (i3s), Laboratory Animal Science (LAS), Instituto de Biologia Molecular Celular (IBMC), University of Porto (UP), 4200-135 Porto, Portugal
- Correspondence: (G.L.); (L.M.F.); (S.M.)
| | - Sandra Monteiro
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal;
- Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production (Inov4Agro), UTAD, 5000-801 Vila Real, Portugal
- Department of Biology and Environment (DeBA), School of Life and Environmental Sciences (ECVA), UTAD, 5000-801 Vila Real, Portugal
- Correspondence: (G.L.); (L.M.F.); (S.M.)
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Yang C, Lim W, Song G. Reproductive toxicity due to herbicide exposure in freshwater organisms. Comp Biochem Physiol C Toxicol Pharmacol 2021; 248:109103. [PMID: 34129918 DOI: 10.1016/j.cbpc.2021.109103] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/02/2021] [Accepted: 06/06/2021] [Indexed: 12/27/2022]
Abstract
Excessively used pesticides in agricultural areas are spilled into aquatic environments, wherein they are suspended or sedimented. Owing to climate change, herbicides are the fastest growing sector of the pesticide industry and are detected in surface water, groundwater, and sediments near agricultural areas. In freshwater, organisms, including mussels, snails, frogs, and fish, are exposed to various types and concentrations of herbicides. Invertebrates are sensitive to herbicide exposure because their defense systems are incomplete. At the top of the food chain in freshwater ecosystems, fish show high bioaccumulation of herbicides. Herbicide exposure causes reproductive toxicity and population declines in freshwater organisms and further contamination of fish used for consumption poses a risk to human health. In addition, it is important to understand how environmental factors are physiologically processed and assess their impacts on reproductive parameters, such as gonadosomatic index and steroid hormone levels. Zebrafish is a good model for examining the effects of herbicides such as atrazine and glyphosate on embryonic development in freshwater fish. This review describes the occurrence and role of herbicides in freshwater environments and their potential implications for the reproduction and embryonic development of freshwater organisms.
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Affiliation(s)
- Changwon Yang
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Whasun Lim
- Department of Food and Nutrition, Kookmin University, Seoul 02707, Republic of Korea.
| | - Gwonhwa Song
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea.
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Ding W, Shangguan Y, Zhu Y, Sultan Y, Feng Y, Zhang B, Liu Y, Ma J, Li X. Negative impacts of microcystin-LR and glyphosate on zebrafish intestine: Linked with gut microbiota and microRNAs? ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 286:117685. [PMID: 34438504 DOI: 10.1016/j.envpol.2021.117685] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 06/25/2021] [Accepted: 06/28/2021] [Indexed: 06/13/2023]
Abstract
Microcystin-LR (MC-LR) and glyphosate (GLY) have been classified as a Group 2B and Group 2A carcinogens for humans, respectively, and frequently found in aquatic ecosystems. However, data on the potential hazard of MC-LR and GLY exposure to the fish gut are relatively scarce. In the current study, a subacute toxicity test of zebrafish exposed to MC-LR (35 μg L-1) and GLY (3.5 mg L-1), either alone or in combination was performed for 21 d. The results showed that MC-LR or/and GLY treatment reduced the mRNA levels of tight junction genes (claudin-5, occludin, and zonula occludens-1) and altered the levels of diamine oxidase and D-lactic, indicating increased intestinal permeability in zebrafish. Furthermore, MC-LR and/or GLY treatment remarkably increased the levels of intestinal IL-1β and IL-8 but decreased the levels of IL-10 and TGF-β, indicating that MC-LR and/or GLY exposure induced an inflammatory response in the fish gut. MC-LR and/or GLY exposure also activated superoxide dismutase and catalase, generally upregulated the levels of p53, bax, bcl-2, caspase-3, and caspase-9, downregulated the levels of caspase-8 and caused notable histological injury in the fish gut. Moreover, MC-LR and/or GLY exposure also significantly altered the microbial community in the zebrafish gut and the expression of miRNAs (miR-146a, miR-155, miR-16, miR-21, and miR-223). Chronic exposure to MC-LR and/or GLY can induce intestinal damage in zebrafish, and this study is the first to demonstrate an altered gut microbiome and miRNAs in the zebrafish gut after MC-LR and GLY exposure.
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Affiliation(s)
- Weikai Ding
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Yingying Shangguan
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Yuqing Zhu
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Yousef Sultan
- Department of Food Toxicology and Contaminants, National Research Centre, Dokki, Cairo, 12622, Egypt
| | - Yiyi Feng
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Bangjun Zhang
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Yang Liu
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China
| | - Junguo Ma
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China.
| | - Xiaoyu Li
- College of Life Science, Henan Normal University, Xinxiang, Henan, 453007, China
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Díaz-Martín RD, Carvajal-Peraza A, Yáñez-Rivera B, Betancourt-Lozano M. Short exposure to glyphosate induces locomotor, craniofacial, and bone disorders in zebrafish (Danio rerio) embryos. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2021; 87:103700. [PMID: 34237469 DOI: 10.1016/j.etap.2021.103700] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 06/22/2021] [Accepted: 07/04/2021] [Indexed: 06/13/2023]
Abstract
Glyphosate [N-(phosphonomethyl)glycine] is the active ingredient in widely used broad-spectrum herbicides. Even though the toxicity mechanism of this herbicide in vertebrates is poorly understood, evidence suggests that glyphosate is an endocrine disruptor capable of producing morphological anomalies as well as cardiotoxic and neurotoxic effects. We used the zebrafish model to assess the effects of early life glyphosate exposure on the development of cartilage and bone tissues and organismal responses. We found functional alterations, including a reduction in the cardiac rate, significant changes in the spontaneous tail movement pattern, and defects in craniofacial development. These effects were concomitant with alterations in the level of the estrogen receptor alpha osteopontin and bone sialoprotein. We also found that embryos exposed to glyphosate presented spine deformities as adults. These developmental alterations are likely induced by changes in protein levels related to bone and cartilage formation.
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Affiliation(s)
- Rubén D Díaz-Martín
- Centro de Investigación en Alimentación y Desarrollo, A. C. Avenida Sábalo-Cerritos s/n, Mazatlán, Sinaloa 82100, Mexico
| | - Ana Carvajal-Peraza
- Centro de Investigación en Alimentación y Desarrollo, A. C. Avenida Sábalo-Cerritos s/n, Mazatlán, Sinaloa 82100, Mexico
| | - Beatriz Yáñez-Rivera
- Centro de Investigación en Alimentación y Desarrollo, A. C. Avenida Sábalo-Cerritos s/n, Mazatlán, Sinaloa 82100, Mexico; Consejo Nacional de Ciencia y Tecnología, Av. Insurgentes Sur 1582, Ciudad de México, 03940, Mexico
| | - Miguel Betancourt-Lozano
- Centro de Investigación en Alimentación y Desarrollo, A. C. Avenida Sábalo-Cerritos s/n, Mazatlán, Sinaloa 82100, Mexico.
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Sundarraj S, Sujitha MV, Alphonse CRW, Kalaiarasan R, Kannan RR. Bisphenol-A alters hematopoiesis through EGFR/ERK signaling to induce myeloblastic condition in zebrafish model. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 787:147530. [PMID: 34004533 DOI: 10.1016/j.scitotenv.2021.147530] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 04/25/2021] [Accepted: 05/01/2021] [Indexed: 06/12/2023]
Abstract
Experimental evidence from the etiology of cancer studies suggests that a correlation between Bisphenol-A (BPA) exposure and alterations in hematopoiesis leads to blood cancer. In our study zebrafish were used to assess the lethality, developmental effect, embryonic apoptosis and changes in transcription factor of hematopoiesis through EGFR/ERK signaling pathways in response to BPA. The in silico interaction of EGFR and BPA was analysed by molecular dynamic simulation. According to our results, BPA induced a significant lethal effect in hatching retardation, reduction in heart rate and teratogenic effects on zebrafish embryos and larvae at three different concentrations 100, 500 and 2500 μg/L. The mortality of adult zebrafish exposed to the acute toxicity of BPA from 5 to 30 mg/L concentrations was determined for 96 h. The peripheral blood cells and vital organs such as kidney, liver and spleen from BPA exposed fish showed predominantly abnormal myeloid blast cells along with severe morphological changes in erythrocytes at sublethal concentration 245 μg/L. The BPA showed the highest binding affinity to zebrafish EGFR with a docking score of -7.5 kcal/mol with an RMSD of 3.0 nm during MD simulation. We found that EGFR/ERK overexpression leads to induce hematopoietic cell proliferation and impaired differentiation, which enhances the myeloid repopulating activity and the accumulation of immature myeloblast cells. BPA also caused a corresponding increase in expression of hematopoietic transcription factor c-MYB and RUNX-1 leading to polychromasia, poikilocytosis, acanthocytes and anisocytosis and promoted myeloblastosis by inhibiting GATA-1 expression. These morphological changes often resulted in the prior condition of acute myeloid leukemia (AML). Comprehensively, our data suggest that BPA can trigger the malignancy of AML cells by alteration of respective hematopoietic transcription factors via EGFR/ERK signaling in the zebrafish model.
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Affiliation(s)
- Shenbagamoorthy Sundarraj
- PG and Research Department of Zoology, Ayya Nadar Janaki Ammal College (Autonomous), Sivakasi 626124, Tamil Nadu, India; Cancer Biology Lab, Centre for Molecular and Nanomedical Sciences, Centre for Nanoscience and Nanotechnology, School of Bio and Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai 600119, Tamil Nadu, India.
| | - Mohanan V Sujitha
- Cancer Biology Lab, Centre for Molecular and Nanomedical Sciences, Centre for Nanoscience and Nanotechnology, School of Bio and Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai 600119, Tamil Nadu, India
| | - Carlton Ranjith Wilson Alphonse
- Cancer Biology Lab, Centre for Molecular and Nanomedical Sciences, Centre for Nanoscience and Nanotechnology, School of Bio and Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai 600119, Tamil Nadu, India
| | - Retnamony Kalaiarasan
- Cancer Biology Lab, Centre for Molecular and Nanomedical Sciences, Centre for Nanoscience and Nanotechnology, School of Bio and Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai 600119, Tamil Nadu, India
| | - Rajaretinam Rajesh Kannan
- Cancer Biology Lab, Centre for Molecular and Nanomedical Sciences, Centre for Nanoscience and Nanotechnology, School of Bio and Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai 600119, Tamil Nadu, India.
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Le Du-Carrée J, Saliou F, Cachot J, Morin T, Danion M. Developmental effect of parental or direct chronic exposure to environmental concentration of glyphosate on the larvae of rainbow trout, Oncorhynchus mykiss. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 237:105894. [PMID: 34186419 DOI: 10.1016/j.aquatox.2021.105894] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 05/03/2021] [Accepted: 06/01/2021] [Indexed: 06/13/2023]
Abstract
The environmental safety profile of glyphosate, the most commonly used herbicide worldwide, is still a subject of debate and little is known about the generational toxicity of this active substance (AS) and the associated commercial formulations called "glyphosate-based herbicides" (GBHs). This study investigated the impact of parental and direct exposure to 1μgL-1 of glyphosate using the AS alone or one of two GBH formulations (i.e. Roundup Innovert® and Viaglif Jardin®) in the early developmental stages of rainbow trout. Three different modes of exposure on the F1 generation were studied: (1) intergenerational (i.e. fish only exposed through their parents); (2) direct (i.e. fish exposed only directly) and (3) multigenerational (i.e. fish both exposed intergenerationally and directly). The impact of chemical treatments on embryo-larval development (survival, biometry and malformations), swimming behaviour, biochemical markers of oxidative stress equilibrium (TBARS and catalase), acetylcholine esterase (AChE) and energy metabolism (citrate synthase, CS; cytochrome-c oxidase, CCO; lactate dehydrogenase, LDH; glucose-6-phosphate dehydrogenase, G6PDH) was explored. Chemical exposure did not affect the survival of F1 embryos or malformation rates. Direct exposure to the AS induced some biometric changes, such as reduction in head size (with a 10% decrease in head length), independently of co-formulants. Intergenerational exposure to the AS or the Roundup GBH increased swimming activity of the larvae, with increase of between 78 and 102% in travel speeds. Viaglif co-formulants appear to have counteracted this behavioural change. The minor changes detected in the assayed biochemical markers suggested that observed effects were not due to oxidative damage, AChE inhibition or alterations to energy metabolism. Nonetheless, multi- and intergenerational exposure to Roundup increased CS:CCO and LDH:CS ratios by 46% and 9%, respectively, with a potential modification of the aerobic-to-anaerobic energy production balance. These biochemical effects were not correlated with those observed on individual level of biological organization. Therefore, further studies on generational toxicity of glyphosate and its co-formulants are needed to identify the other mechanisms of glyphosate toxicity at the cellular level.
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Affiliation(s)
- Jessy Le Du-Carrée
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France; UBO University of Western Brittany, Brest, France.
| | - Florian Saliou
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France
| | - Jérôme Cachot
- UMR CNRS 5805 EPOC, University of Bordeaux, Avenue des Facultés, 33405 Talence Cedex, France
| | - Thierry Morin
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France
| | - Morgane Danion
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France
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Muñoz JP, Bleak TC, Calaf GM. Glyphosate and the key characteristics of an endocrine disruptor: A review. CHEMOSPHERE 2021; 270:128619. [PMID: 33131751 DOI: 10.1016/j.chemosphere.2020.128619] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 09/30/2020] [Accepted: 10/12/2020] [Indexed: 05/27/2023]
Abstract
Glyphosate is a large-spectrum herbicide that was introduced on the market in 1974. Due to its important impact on the crop industry, it has been significantly diversified and expanded being considered the most successful herbicide in history. Currently, its massive use has led to a wide environmental diffusion and its human consumption through food products has made possible to detect it in urine, serum, and breast milk samples. Nevertheless, recent studies have questioned its safety and international agencies have conflicting opinions about its effects on human health, mainly as an endocrine-disrupting chemical (EDC) and its carcinogenic capacity. Here, we conduct a comprehensive review where we describe the most important findings of the glyphosate effects in the endocrine system and asses the mechanistic evidence to classify it as an EDC. We use as guideline the ten key characteristics (KCs) of EDC proposed in the expert consensus statement published in 2020 (La Merrill et al., 2020) and discuss the scopes of some epidemiological studies for the evaluation of glyphosate as possible EDC. We conclude that glyphosate satisfies at least 8 KCs of an EDC, however, prospective cohort studies are still needed to elucidate the real effects in the human endocrine system.
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Affiliation(s)
- Juan P Muñoz
- Instituto de Alta Investigación (IAI), Universidad de Tarapacá, Antofagasta 1520, Arica, 1000000, Chile.
| | - Tammy C Bleak
- Instituto de Alta Investigación (IAI), Universidad de Tarapacá, Antofagasta 1520, Arica, 1000000, Chile.
| | - Gloria M Calaf
- Instituto de Alta Investigación (IAI), Universidad de Tarapacá, Antofagasta 1520, Arica, 1000000, Chile; Center for Radiological Research, VC11-218, Columbia University Medical Center, 630 West 168th Street, New York, NY, 10032, USA.
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44
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Forner-Piquer I, Faucherre A, Byram J, Blaquiere M, de Bock F, Gamet-Payrastre L, Ellero-Simatos S, Audinat E, Jopling C, Marchi N. Differential impact of dose-range glyphosate on locomotor behavior, neuronal activity, glio-cerebrovascular structures, and transcript regulations in zebrafish larvae. CHEMOSPHERE 2021; 267:128986. [PMID: 33359984 DOI: 10.1016/j.chemosphere.2020.128986] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 11/05/2020] [Accepted: 11/12/2020] [Indexed: 06/12/2023]
Abstract
The presence of glyphosate represents a debated ecotoxicological and health risk factor. Here, zebrafish larvae were exposed, from 1.5 to 120 h post-fertilization, to a broad concentration range (0.05-10.000 μg/L) of glyphosate to explore its impact on the brain. We evaluated morphology, tracked locomotor behavior and neurophysiological parameters, examined neuro-glio-vascular cell structures, and outlined transcriptomic outcomes by RNA sequencing. At the concentration range tested, glyphosate did not elicit gross morphological changes. Behavioral analysis revealed a significant decrease in locomotor activity following the exposure to 1000 μg/L glyphosate or higher. In parallel, midbrain electrophysiological recordings indicated abnormal, and variable, spike activity in zebrafish larvae exposed to 1000 μg/L glyphosate. Next, we asked whether the observed neurophysiological outcome could be secondary to brain structural modifications. We used transgenic zebrafish and in vivo 2-photon microscopy to examine, at the cellular level, the effects of the behavior-modifying concentration of 1000 μg/L, comparing to low 0.1 μg/L, and control. We ruled out the presence of cerebrovascular and neuronal malformations. However, microglia morphological modifications were visible at the two glyphosate concentrations, specifically the presence of amoeboid cells suggestive of activation. Lastly, RNAseq analysis showed the deregulation of transcript families implicated in neuronal physiology, synaptic transmission, and inflammation, as evaluated at the two selected glyphosate concentrations. In zebrafish larvae, behavioral and neurophysiological defects occur after the exposure to high glyphosate concentrations while cellular and transcript signatures can be detected in response to low dose. The prospective applicability to ecotoxicology and the possible extension to brain-health vulnerability are critically discussed.
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Affiliation(s)
- Isabel Forner-Piquer
- Cerebrovascular and Glia Research, Institute for Functional Genomics (University of Montpellier - UMR 5203 CNRS - U 1191 INSERM), 141 rue de la Cardonille, 34094, Montpellier, France
| | - Adèle Faucherre
- Molecular mechanisms of regeneration, Institute for Functional Genomics (University of Montpellier - UMR 5203 CNRS - U 1191 INSERM LabEx ICST), 141 rue de la Cardonille, 34094, Montpellier, France
| | - Julia Byram
- Cerebrovascular and Glia Research, Institute for Functional Genomics (University of Montpellier - UMR 5203 CNRS - U 1191 INSERM), 141 rue de la Cardonille, 34094, Montpellier, France
| | - Marine Blaquiere
- Cerebrovascular and Glia Research, Institute for Functional Genomics (University of Montpellier - UMR 5203 CNRS - U 1191 INSERM), 141 rue de la Cardonille, 34094, Montpellier, France
| | - Frederic de Bock
- Cerebrovascular and Glia Research, Institute for Functional Genomics (University of Montpellier - UMR 5203 CNRS - U 1191 INSERM), 141 rue de la Cardonille, 34094, Montpellier, France
| | - Laurence Gamet-Payrastre
- Toxalim, Research Centre in Food Toxicology (Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS), 180 Chemin de tournefeuille, 31300, Toulouse, France
| | - Sandrine Ellero-Simatos
- Toxalim, Research Centre in Food Toxicology (Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS), 180 Chemin de tournefeuille, 31300, Toulouse, France
| | - Etienne Audinat
- Cerebrovascular and Glia Research, Institute for Functional Genomics (University of Montpellier - UMR 5203 CNRS - U 1191 INSERM), 141 rue de la Cardonille, 34094, Montpellier, France
| | - Chris Jopling
- Molecular mechanisms of regeneration, Institute for Functional Genomics (University of Montpellier - UMR 5203 CNRS - U 1191 INSERM LabEx ICST), 141 rue de la Cardonille, 34094, Montpellier, France.
| | - Nicola Marchi
- Cerebrovascular and Glia Research, Institute for Functional Genomics (University of Montpellier - UMR 5203 CNRS - U 1191 INSERM), 141 rue de la Cardonille, 34094, Montpellier, France.
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Díaz-Martín RD, Valencia-Hernández JD, Betancourt-Lozano M, Yáñez-Rivera B. Changes in microtubule stability in zebrafish ( Danio rerio) embryos after glyphosate exposure. Heliyon 2021; 7:e06027. [PMID: 33532646 PMCID: PMC7829154 DOI: 10.1016/j.heliyon.2021.e06027] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 11/09/2020] [Accepted: 01/13/2021] [Indexed: 02/06/2023] Open
Abstract
Glyphosate, the most commonly used pesticide worldwide, blocks aromatic amino acid biosynthetic pathways and inhibits growth in plants. Although the specific mode of action of glyphosate in animals remains unclear, adverse effects during embryonic development have been reported, including epiboly delays, morphological alterations, and changes in central nervous system development and cardiogenesis. In this study, we suggest a possible toxicity mechanism for this herbicide related to changes in microtubule stability, which could alter the distribution and dynamics of cytoskeleton components. Using zebrafish embryos to evaluate in vivo effects of glyphosate exposure (5, 10, and 50 μg/ml), we found significant reductions in the levels of acetylated α-tubulin (50 μg/ml) and in the polymeric tubulin percentage in zebrafish embryos that had been exposed to 10 and 50 μg/ml glyphosate, without any changes in either the expression patterns of α-tubulin or the stability of actin filaments. These results indicate that high concentrations of glyphosate were associated with reduced levels of acetylated α-tubulin and altered microtubule stability, which may explain some of the neurotoxic and cardiotoxic effects that have been attributed to this herbicide.
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Affiliation(s)
- Rubén D Díaz-Martín
- Centro de Investigación en Alimentación y Desarrollo, A. C., Av. Sábalo-Cerritos s/n, Mazatlán, Sinaloa, 82100, Mexico
| | - Jesús D Valencia-Hernández
- Centro de Investigación en Alimentación y Desarrollo, A. C., Av. Sábalo-Cerritos s/n, Mazatlán, Sinaloa, 82100, Mexico
| | - Miguel Betancourt-Lozano
- Centro de Investigación en Alimentación y Desarrollo, A. C., Av. Sábalo-Cerritos s/n, Mazatlán, Sinaloa, 82100, Mexico
| | - Beatriz Yáñez-Rivera
- Centro de Investigación en Alimentación y Desarrollo, A. C., Av. Sábalo-Cerritos s/n, Mazatlán, Sinaloa, 82100, Mexico.,Consejo Nacional de Ciencia y Tecnología, Av. Insurgentes Sur 1582, Ciudad de México, 03940, Mexico
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46
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Azevedo RDS, Falcão KVG, Assis CRD, Martins RMG, Araújo MC, Yogui GT, Neves JL, Seabra GM, Maia MBS, Amaral IPG, Leite ACR, Bezerra RS. Effects of pyriproxyfen on zebrafish brain mitochondria and acetylcholinesterase. CHEMOSPHERE 2021; 263:128029. [PMID: 33297050 DOI: 10.1016/j.chemosphere.2020.128029] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 08/12/2020] [Accepted: 08/13/2020] [Indexed: 06/12/2023]
Abstract
Pyriproxyfen is an insecticide used worldwide that acts as a biomimetic of juvenile hormone. This study investigated metabolic and synaptic impairments triggered by pyriproxyfen using zebrafish acetylcholinesterase (zbAChE) and mitochondria as markers. A brain zbAChE assay was performed in vitro and in vivo covering a range of pyriproxyfen concentrations (0.001-10 μmol/L) to assess inhibition kinetics. Docking simulations were performed to characterize inhibitory interactions. Zebrafish male adults were acutely exposed to 0.001, 0.01 and 0.1 μg/mL pyriproxyfen for 16 h. Mitochondrial respiration of brain tissues was assessed. ROS generation was estimated using H2DCF-DA and MitoSOX. Calcium transport was monitored by Calcium Green™ 5 N. NO synthesis activity was estimated using DAF-FM-DA. Brain acetylcholinesterase showed an in vivo IC20 of 0.30 μmol/L pyriproxyfen, and an IC50 of 92.5 μmol/L. The inhibitory effect on zbAChE activity was competitive-like. Respiratory control of Complex I/II decreased significantly after insecticide exposure. The MitoSOX test showed that O2- generation had a pyriproxyfen dose-dependent effect. Brain tissue lost 50% of Ca2+ uptake capacity at 0.1 μg/mL pyriproxyfen. Ca2+ release showed a clear mitochondrial impairment at lower pyriproxyfen exposures. Thus, Ca2+ transport imbalance caused by pyriproxyfen may be a novel deleterious mechanism of action. Overall, the results showed that pyriproxyfen can compromise multiple and interconnected pathways: (1) zbAChE impairment and (2) the functioning of the electron transport chain, ROS generation and calcium homeostasis in zebrafish brain mitochondria. Considering the many similarities between zebrafish and human, more caution is needed when pyriproxyfen is used in both urban and agricultural pest control.
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Affiliation(s)
- Rafael D S Azevedo
- Laboratório de Enzimologia - LABENZ, Departamento de Bioquímica, Universidade Federal de Pernambuco, Recife, PE, Brazil.
| | - Kivia V G Falcão
- Laboratório de Enzimologia - LABENZ, Departamento de Bioquímica, Universidade Federal de Pernambuco, Recife, PE, Brazil.
| | - Caio R D Assis
- Laboratório de Enzimologia - LABENZ, Departamento de Bioquímica, Universidade Federal de Pernambuco, Recife, PE, Brazil; Laboratório de Compostos Orgânicos em Ecossistemas Costeiros e Marinhos - OrganoMAR, Departamento de Oceanografia, Universidade Federal de Pernambuco, Recife, PE, Brazil.
| | | | - Marlyete C Araújo
- Laboratório de Enzimologia - LABENZ, Departamento de Bioquímica, Universidade Federal de Pernambuco, Recife, PE, Brazil.
| | - Gilvan T Yogui
- Laboratório de Compostos Orgânicos em Ecossistemas Costeiros e Marinhos - OrganoMAR, Departamento de Oceanografia, Universidade Federal de Pernambuco, Recife, PE, Brazil.
| | - Jorge L Neves
- Laboratório de Química Biológica - LQB, Departamento de Química Fundamental, Universidade Federal de Pernambuco, Recife, PE, Brazil.
| | - Gustavo M Seabra
- Department of Medicinal Chemistry and Center for Natural Products, Drug Discovery and Development (CNPD3), School of Pharmacy, University of Florida, Gainesville, FL, USA.
| | - Maria B S Maia
- Laboratório de Farmacologia de Produtos Bioativos, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife, PE, Brazil.
| | - Ian P G Amaral
- Centro de Biotecnologia, Universidade Federal da Paraiba (UFPB), Campus I, Cidade Universitária, João Pessoa, PB, Brazil.
| | - Ana C R Leite
- Laboratório de Bioenergética Prof. Aníbal Vercesi, Departamento de Química e Biotecnologia, Universidade Federal de Alagoas (UFAL), Maceió, AL, Brazil.
| | - Ranilson S Bezerra
- Laboratório de Enzimologia - LABENZ, Departamento de Bioquímica, Universidade Federal de Pernambuco, Recife, PE, Brazil.
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47
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Du-Carrée JL, Morin T, Danion M. Impact of chronic exposure of rainbow trout, Oncorhynchus mykiss, to low doses of glyphosate or glyphosate-based herbicides. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 230:105687. [PMID: 33264693 DOI: 10.1016/j.aquatox.2020.105687] [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: 04/01/2020] [Revised: 11/11/2020] [Accepted: 11/16/2020] [Indexed: 06/12/2023]
Abstract
Glyphosate is an herbicidal active substance (AS) entering in the composition of a large diversity of pesticide products (glyphosate-based herbicides; GBH) used in modern intensive agriculture. This compound has a favorable environmental safety profile but was suspected to induce deleterious effects in aquatic organisms, with a potential effect of some associated co-formulants. This study aimed to assess the impact of direct and chronic exposure to glyphosate on the health status of rainbow trout, Oncorhynchus mykiss. A total of 36 genitors were exposed daily for 10 months to a dose of glyphosate representative of environmental concentrations (around 1 μg L-1) using the AS alone or two GBHs formulations (i.e. Roundup Innovert® and Viaglif Jardin®) and findings were compared to an unexposed control group (n=12). The effects of chemical exposure on the reproductive capacities, hemato-immunologic functions, energetic metabolism, oxidative stress and specific biomarkers of exposure were analyzed over a period of 4 months covering spawning. A limited mortality between 15% and 30% specific to the spawning occurred under all conditions. No differences were observed in reproduction parameters i.e. mean weights, relative fertility and fecundity. Red blood cell count, hematocrit index, mean corpuscular volume and white blood cell counts were similar for all the sampling dates. Significant changes were observed two months before spawning with a 70% decrease of the proportion of macrophages in trout exposed to Viaglif only and a reduction of 35% of the phagocytic activity in fish exposed to the two GBHs. Trends towards lower levels of expression of tumor necrosis factor-α (between 38% and 66%) were detected one month after the spawning for all contaminated conditions but without being statistically significant. Biomarkers of exposure, i.e. acetylcholine esterase and carbonic anhydrase activities, were not impacted and none of the chemical contaminants disturbed the oxidative stress or metabolism parameters measured. These results suggest that a 10 months exposure of rainbow trout to a concentration of 1 μg L-1 of glyphosate administered using the pure active substance or two GBHs did not significantly modify their global health including during the spawning period. The immunological disturbances observed will need to be further explored because they could have a major impact in response to infectious stress.
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Affiliation(s)
- Jessy Le Du-Carrée
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Viral Fish Diseases Unit, 29280 Plouzané, France; UBO University of Western Brittany, Brest, France.
| | - Thierry Morin
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Viral Fish Diseases Unit, 29280 Plouzané, France
| | - Morgane Danion
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Viral Fish Diseases Unit, 29280 Plouzané, France
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Raja prabu M, Murugan A. Impact of monocrotophos and its biodegraded metabolites on green gram seed germination and zebra fish embryo development. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2021. [DOI: 10.1016/j.bcab.2021.101912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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49
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Ingaramo P, Alarcón R, Muñoz-de-Toro M, Luque EH. Are glyphosate and glyphosate-based herbicides endocrine disruptors that alter female fertility? Mol Cell Endocrinol 2020; 518:110934. [PMID: 32659439 DOI: 10.1016/j.mce.2020.110934] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 06/30/2020] [Accepted: 07/01/2020] [Indexed: 12/13/2022]
Abstract
Numerous evidences have alerted on the toxic effects of the exposure to glyphosate on living organisms. Glyphosate is the herbicide most used in crops such as maize and soybean worldwide, which implies that several non-target species are at a high risk of exposure. Although the Environmental Protection Agency (EPA-USA) has reaffirmed that glyphosate is safe for users, there are controversial studies that question this statement. Some of the reported effects are due to exposure to high doses; however, recent evidences have shown that exposure to low doses could also alter the development of the female reproductive tract, with consequences on fertility. Different animal models of exposure to glyphosate or glyphosate-based herbicides (GBHs) have shown that the effects on the female reproductive tract may be related to the potential and/or mechanisms of actions of an endocrine-disrupting compound. Studies have also demonstrated that the exposure to GBHs alters the development and differentiation of ovarian follicles and uterus, affecting fertility when animals are exposed before puberty. In addition, exposure to GBHs during gestation could alter the development of the offspring (F1 and F2). The main mechanism described associated with the endocrine-disrupting effect of GBHs is the modulation of estrogen receptors and molecules involved in the estrogenic pathways. This review summarizes the endocrine-disrupting effects of exposure to glyphosate and GBHs at low or "environmentally relevant" doses in the female reproductive tissues. Data suggesting that, at low doses, GBHs may have adverse effects on the female reproductive tract fertility are discussed.
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Affiliation(s)
- Paola Ingaramo
- Instituto de Salud y Ambiente Del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional Del Litoral, Santa Fe, Argentina
| | - Ramiro Alarcón
- Instituto de Salud y Ambiente Del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional Del Litoral, Santa Fe, Argentina
| | - Mónica Muñoz-de-Toro
- Instituto de Salud y Ambiente Del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional Del Litoral, Santa Fe, Argentina
| | - Enrique H Luque
- Instituto de Salud y Ambiente Del Litoral (ISAL), Facultad de Bioquímica y Ciencias Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional Del Litoral, Santa Fe, Argentina.
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50
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Baran A, Yildirim S, Ghosigharehaghaji A, Bolat İ, Sulukan E, Ceyhun SB. An approach to evaluating the potential teratogenic and neurotoxic mechanism of BHA based on apoptosis induced by oxidative stress in zebrafish embryo ( Danio rerio). Hum Exp Toxicol 2020; 40:425-438. [PMID: 32909836 DOI: 10.1177/0960327120952140] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Butylated hydroxyanisole (BHA) has been widely used in the cosmetics, pharmaceutical, and food industries due to its antioxidant activity. Despite the antioxidant effects, reported adverse effects of BHA at the cellular level have made its use controversial. In this regard, this study was performed to elucidate the potential toxicity mechanism caused by BHA at the molecular level in zebrafish embryos. For this purpose, zebrafish embryos were exposed to BHA at levels of 0.5, 1, 5, 7.5 and 10 ppm and monitored at 24, 48, 72 and 96 hours. Survival rate, hatching rate and malformations were evaluated. We examined the potential for reactive oxygen species (ROS) production and apoptosis signalling accumulation in the whole body. Moreover, we evaluated histopathological and immunohistochemical (8-OHDG) characterization of the brain in zebrafish embryos at the 96th hour. We also examined apoptosis, histopathological and immunohistochemical (8-OHDG) characteristics in 96 hpf zebrafish larvae exposed to tertiary butylhydroquinone (TBHQ), one of the major metabolites of BHA, at doses of 0.5, 2.5, 3.75 and 5 ppm. Consequently, it has been considered that increased embryonic and larval malformations in this study may have been caused by ROS-induced apoptosis. After 96 h of exposure, positive 8-OHdG immunofluorescence, degenerative changes, and necrosis were observed in the brain of BHA and TBHQ-treated zebrafish larvae in a dose-dependent manner. BHA and TBHQ exposure could lead to an increase in 8-OHdG activities by resulting oxidative DNA damage. In particular, the obtained data indicate that the induction of ROS formation, occurring during exposure to BHA and/or multiple hydroxyl groups, could be responsible for apoptosis.
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Affiliation(s)
- A Baran
- Department of Food Quality Control and Analysis, Erzurum Vocational School, 37503Atatürk University, Erzurum, Turkey
| | - S Yildirim
- Department of Pathology, Faculty of Veterinary, 37503Atatürk University, Erzurum, Turkey
| | - A Ghosigharehaghaji
- Aquatic Biotechnology Laboratory, Fisheries Faculty, 37503Atatürk University, Erzurum, Turkey
| | - İ Bolat
- Department of Pathology, Faculty of Veterinary, 37503Atatürk University, Erzurum, Turkey
| | - E Sulukan
- Aquatic Biotechnology Laboratory, Fisheries Faculty, 37503Atatürk University, Erzurum, Turkey
| | - S B Ceyhun
- Aquatic Biotechnology Laboratory, Fisheries Faculty, 37503Atatürk University, Erzurum, Turkey.,Aquaculture Department, Fisheries Faculty, 37503Atatürk University, Erzurum, Turkey
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