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Liu Y, Xu Y, Yuan B, Zhu B, Zhang X, Chen J, Li B, Mu W. Bioaccumulation mediated by water solubility leads to differences in the acute toxicity of organophosphorus insecticides to zebrafish (Danio rerio). ECOTOXICOLOGY (LONDON, ENGLAND) 2024:10.1007/s10646-024-02775-7. [PMID: 39026048 DOI: 10.1007/s10646-024-02775-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/19/2024] [Indexed: 07/20/2024]
Abstract
The use of some organophosphate insecticides is restricted or even banned in paddy fields due to their high toxicity to aquatic organisms. The aim of this study is to elucidate the main pathways and target organs of organophosphate insecticide toxicity to fish exposed via different routes by integrating histopathological and biochemical techniques. Using malathion as the model drug, when the dosage is 20-60 mg/L, the toxicity of whole body and head immersion drugs to zebrafish is much higher than that of trunk immersion drugs. A dose of 21.06-190.44 mg/kg of malathion feed was fed to adult zebrafish. Although the dosage was already high, no obvious toxicity was observed. Therefore, we believe that the drug mainly enters the fish body through the gills. When exposed to a drug solution of 20 mg/L and 60 mg/L, the fish showed significant neurological behavioral abnormalities, and the pathological damage to key organs and brain tissue was the most severe, showing obvious vacuolization and the highest residual amount (8.72-47.78 mg/L). The activity of acetylcholinesterase was the most inhibited (54.69-74.68%). Therefore, brain tissue is the key toxic target organ of malathion in fish. In addition, we compared the bioaccumulation effects of different water-soluble organophosphorus insecticides in fish and their toxic effects. We found that the higher the water solubility of organophosphorus insecticides, the lower their toxicity to fish.
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Affiliation(s)
- Yujuan Liu
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong, PR China
| | - Yue Xu
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong, PR China
| | - Bingjie Yuan
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong, PR China
| | - Bingyu Zhu
- Rongcheng Agricultural and Rural Affairs Service Center, Weihai, Shandong, PR China
| | - Xiaobing Zhang
- Shandong Weifang Rainbow Chemical Co., Ltd, Weifang, Shandong, PR China
| | - Jinyin Chen
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong, PR China
| | - Beixing Li
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong, PR China
- Research Center of Pesticide Environmental Toxicology, Shandong Agricultural University, Tai'an, Shandong, PR China
| | - Wei Mu
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, Shandong, PR China.
- Research Center of Pesticide Environmental Toxicology, Shandong Agricultural University, Tai'an, Shandong, PR China.
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Deidda I, Russo R, Bonaventura R, Costa C, Zito F, Lampiasi N. Neurotoxicity in Marine Invertebrates: An Update. BIOLOGY 2021; 10:161. [PMID: 33670451 PMCID: PMC7922589 DOI: 10.3390/biology10020161] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 01/20/2021] [Accepted: 02/11/2021] [Indexed: 12/13/2022]
Abstract
Invertebrates represent about 95% of existing species, and most of them belong to aquatic ecosystems. Marine invertebrates are found at intermediate levels of the food chain and, therefore, they play a central role in the biodiversity of ecosystems. Furthermore, these organisms have a short life cycle, easy laboratory manipulation, and high sensitivity to marine pollution and, therefore, they are considered to be optimal bioindicators for assessing detrimental chemical agents that are related to the marine environment and with potential toxicity to human health, including neurotoxicity. In general, albeit simple, the nervous system of marine invertebrates is composed of neuronal and glial cells, and it exhibits biochemical and functional similarities with the vertebrate nervous system, including humans. In recent decades, new genetic and transcriptomic technologies have made the identification of many neural genes and transcription factors homologous to those in humans possible. Neuroinflammation, oxidative stress, and altered levels of neurotransmitters are some of the aspects of neurotoxic effects that can also occur in marine invertebrate organisms. The purpose of this review is to provide an overview of major marine pollutants, such as heavy metals, pesticides, and micro and nano-plastics, with a focus on their neurotoxic effects in marine invertebrate organisms. This review could be a stimulus to bio-research towards the use of invertebrate model systems other than traditional, ethically questionable, time-consuming, and highly expensive mammalian models.
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D’Aniello E, Paganos P, Anishchenko E, D’Aniello S, Arnone MI. Comparative Neurobiology of Biogenic Amines in Animal Models in Deuterostomes. Front Ecol Evol 2020. [DOI: 10.3389/fevo.2020.587036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Zhang X, Li S, Wang C, Tian H, Wang W, Ru S. Effects of monocrotophos pesticide on cholinergic and dopaminergic neurotransmitter systems during early development in the sea urchin Hemicentrotus pulcherrimus. Toxicol Appl Pharmacol 2017; 328:46-53. [PMID: 28479505 DOI: 10.1016/j.taap.2017.05.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 04/26/2017] [Accepted: 05/04/2017] [Indexed: 01/08/2023]
Abstract
During early development in sea urchins, classical neurotransmitters, including acetylcholine (ACh), dopamine (DA), and serotonin (5-HT), play important roles in the regulation of morphogenesis and swimming behavior. However, the underlying mechanisms of how organophosphate pesticides cause developmental neurotoxicity by interfering with different neurotransmitter systems are unclear. In this study, we investigated the effects of 0.01, 0.10, and 1.00mg/L monocrotophos (MCP) pesticide on the activity of acetyltransferase (ChAT), acetylcholinesterase (AChE), monoamine oxidase, the concentration of DA, dopamine transporter, and the transcription activity of DA receptor D1 and tyrosine hydroxylase, during critical periods in cholinergic and dopaminergic nervous system development in sea urchin (Hemicentrotus pulcherrimus) embryos and larvae. At the blastula stages, MCP disrupted DA metabolism but not 5-HT metabolism, resulting in abnormal development. High ChAT and AChE activity were observed at the gastrulation-completed stage and the two-armed pluteus stage, respectively, MCP inhibited ChAT activity and AChE activity/distribution and resulted in developmental defects of the plutei. From the gastrula stage to the two-armed pluteus stage, we found ubiquitous disrupting effects of MCP on ACh, DA, and 5-HT metabolism, particularly at critical periods during the development of these neurotransmitter systems. Therefore, we propose that this disruption is one of the main mechanisms of MCP-related developmental neurotoxicity, which would contribute better understanding insight into the mechanism of MCP pesticide's toxic effects.
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Affiliation(s)
- Xiaona Zhang
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Shuman Li
- Nansi Lake Water Quality Monitoring Center of Shandong Province, Jining 272100, China
| | - Cuicui Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Hua Tian
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Wei Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Shaoguo Ru
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China.
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Zhang X, Xu L, Tian H, Wang C, Wang W, Ru S. Monocrotophos, an organophosphorus insecticide, disrupts the expression of HpNetrin and its receptor neogenin during early development in the sea urchin (Hemicentrotus pulcherrimus). Neurotoxicology 2017. [PMID: 28645554 DOI: 10.1016/j.neuro.2017.06.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Netrins, chemotropic guidance cues, can guide the extension of serotonergic axons by binding to netrin receptors during neural development. However, little is known about whether disruption of netrin signaling is involved in the mechanisms by which organophosphorus pesticides affect serotonergic nervous system (SNS) development. In this study, we evaluated the effects of the pesticide monocrotophos (MCP) on the expression patterns of HpNetrin and its receptor neogenin as well as on the intracellular calcium ion (Ca2+) levels in Hemicentrotus pulcherrimus (sea urchin) by exposing fertilized embryos to 0, 0.01, 0.10, and 1.00mg/L MCP. The results showed that MCP disrupted HpNetrin and neogenin expression at different developmental stages in H. pulcherrimus and that Ca2+ appeared to be involved in the MCP-induced developmental neurotoxicity. Specifically, the lower concentrations of MCP elevated HpNetrin and neogenin transcription, resulting in higher intracellular Ca2+ levels during the early developmental stages in the sea urchin; this may affect netrin-directed cell migration/axon extension and subsequently disrupt serotonergic axon branching and synapse formation. In contrast, 1.00mg/L MCP exhibited an inhibitory effect on HpNetrin and neogenin transcription. This finding implies that the regulatory roles of these factors may be diminished during early development, thereby causing developmental defects in the sea urchin. Collectively, our results provide a basis for exploring the involvement of netrin and neogenin in the organophosphate-induced disruption of the SNS during development.
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Affiliation(s)
- Xiaona Zhang
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Lei Xu
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Hua Tian
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Cuicui Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Wei Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China
| | - Shaoguo Ru
- College of Marine Life Sciences, Ocean University of China, Qingdao 266003, China.
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Katow H, Katow T, Yoshida H, Kiyomoto M, Uemura I. Immunohistochemical and ultrastructural properties of the larval ciliary band-associated strand in the sea urchin Hemicentrotus pulcherrimus. Front Zool 2016; 13:27. [PMID: 27313654 PMCID: PMC4910247 DOI: 10.1186/s12983-016-0159-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Accepted: 06/02/2016] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND The swimming activity of sea urchin larvae is dependent on the ciliary band (CB) on the larval surface and is regulated by several neurotransmitters, including serotonin (5HT), dopamine, and γ-aminobutyric acid (GABA). However, the CB signal transmission mechanism remains unknown. The present study investigated the structural relationship between the CB and external signal receptors by immunohistochemical and transmission electron microscopic analyses of sea urchin, Hemicentrotus pulcherrimus, larvae. RESULTS Glutamate decarboxylase (GAD; GABA synthetase) was detected in a strand of multiple cells along the circumoral CB in 6-arm plutei. The GAD-expressing strand was closely associated with the CB on the oral ectoderm side. The ciliary band-associated strand (CBAS) also expressed the 5HT receptor (5HThpr) and encephalopsin (ECPN) throughout the cytoplasm and comprised 1- to 2-μm diameter axon-like long stretched regions and sporadic 6- to 7-μm diameter bulbous nucleated regions (perikarya) that protruded into the oral ectoderm side. Besides the laterally polarized morphology of the CBAS cells, Epith-2, which is the epithelial lateral cell surface-specific protein of the sea urchin embryo and larva, was expressed exclusively by perikarya but not by the axon-like regions. The CBAS exposed its narrow apical surface on the larval epithelium between the CB and squamous cells and formed adherens junctions (AJs) on the apical side between them. Despite the presence of the CBAS axon-like regions, tubulins, such as α-, β-, and acetylated α-tubulins, were not detected. However, the neuroendocrine cell marker protein synaptophysin was detected in the axon-like regions and in bouton-like protrusions that contained numerous small ultrastructural vesicles. CONCLUSIONS The unique morphology of the CBAS in the sea urchin larva epithelium had not been reported. The CBAS expresses a remarkable number of receptors to environmental stimuli and proteins that are probably involved in signal transmission to the CB. The properties of the CBAS explain previous reports that larval swimming is triggered by environmental stimuli and suggest crosstalk among receptors and potential plural sensory functions of the CBAS.
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Affiliation(s)
- Hideki Katow
- />Research Center for Marine Biology, Tohoku University, Asamushi, Aomori, Aomori 039-3501 Japan
- />Center of Research Instruments, Institute of Development, Aging and Cancer, Tohoku University, Sendai, 980-8575 Japan
| | - Tomoko Katow
- />Research Center for Marine Biology, Tohoku University, Asamushi, Aomori, Aomori 039-3501 Japan
| | - Hiromi Yoshida
- />Center of Research Instruments, Institute of Development, Aging and Cancer, Tohoku University, Sendai, 980-8575 Japan
| | - Masato Kiyomoto
- />Center of Research Instruments, Institute of Development, Aging and Cancer, Tohoku University, Sendai, 980-8575 Japan
- />Marine and Coastal Research Center, Ochanomizu University, Tateyama, Chiba 294-0301 Japan
| | - Isao Uemura
- />Division of Biological Sciences, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397 Japan
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Maisano M, Cappello T, Catanese E, Vitale V, Natalotto A, Giannetto A, Barreca D, Brunelli E, Mauceri A, Fasulo S. Developmental abnormalities and neurotoxicological effects of CuO NPs on the black sea urchin Arbacia lixula by embryotoxicity assay. MARINE ENVIRONMENTAL RESEARCH 2015; 111:121-127. [PMID: 26026240 DOI: 10.1016/j.marenvres.2015.05.010] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Revised: 05/14/2015] [Accepted: 05/20/2015] [Indexed: 06/04/2023]
Abstract
The embryotoxicity of CuO NPs was evaluated in the black sea urchin Arbacia lixula embryos, by using 24-well plates. Fertilized eggs were exposed to five doses of CuO NPs ranging from 0.07 to 20 ppb, until pluteus stage. CuO NPs suspensions in artificial seawater formed agglomerates of 80-200 nm size, and copper uptake was 2.5-fold up in larvae exposed to high NP concentrations in respect to control. Developmental delay and morphological alteration, including skeletal abnormalities, were observed, as well as impairment in cholinergic and serotonergic nervous systems. These findings suggest the potential of CuO NPs to interfere with the normal neurotransmission pathways, thus affecting larval morphogenesis. Overall, the embryotoxicity tests are effective for evaluation of nanoparticle effects on the health of aquatic biota. Furthermore, as the black sea urchin A. lixula demonstrated to be vulnerable to NP exposure, it may be a valid bioindicator in marine biomonitoring and ecotoxicological programmes.
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Affiliation(s)
- Maria Maisano
- Department of Biological and Environmental Sciences, University of Messina, Messina, Italy.
| | - Tiziana Cappello
- Department of Biological and Environmental Sciences, University of Messina, Messina, Italy
| | - Eva Catanese
- Department of Biological and Environmental Sciences, University of Messina, Messina, Italy
| | - Valeria Vitale
- Department of Biological and Environmental Sciences, University of Messina, Messina, Italy
| | - Antonino Natalotto
- Department of Biological and Environmental Sciences, University of Messina, Messina, Italy
| | - Alessia Giannetto
- Department of Biological and Environmental Sciences, University of Messina, Messina, Italy
| | - Davide Barreca
- Department of Chemical Sciences, University of Messina, Messina, Italy
| | - Elvira Brunelli
- Department of Biology, Ecology and Earth Sciences, University of Calabria, Cosenza, Italy
| | - Angela Mauceri
- Department of Biological and Environmental Sciences, University of Messina, Messina, Italy
| | - Salvatore Fasulo
- Department of Biological and Environmental Sciences, University of Messina, Messina, Italy
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Xu L, Tian H, Wang W, Ru S. Effects of monocrotophos pesticide on serotonin metabolism during early development in the sea urchin, Hemicentrotus pulcherrimus. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2012; 34:537-547. [PMID: 22824501 DOI: 10.1016/j.etap.2012.06.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2011] [Revised: 06/13/2012] [Accepted: 06/23/2012] [Indexed: 06/01/2023]
Abstract
Organophosphate pesticides can interfere with the serotonergic nervous system and potentially lead to malformations and behavioral abnormalities during early development in sea urchin. To investigate the mechanism by which monocrotophos (MCP) pesticide disrupts the serotonergic nervous system, we evaluated its effects on serotonin metabolism. Fertilized embryos of sea urchin were incubated with 40% MCP pesticide at nominal concentrations of 0.01, 0.10 and 1.00mg/L, and the effects on tryptophan hydroxylase of Hemicentrotus pulcherrimus (HpTPH), serotonin reuptake transporter (SERT), monoamine oxidase (MAO), and serotonin levels were investigated. The results indicated that MCP pesticide disturbed the baseline pattern of HpTPH and SERT mRNA expression and MAO activity during early development in H. pulcherrimus. When serotonin should be quickly metabolized at 36-hpf stage, HpTPH and SERT expression was decreased and MAO activity was induced by MCP pesticide, leading to the impairment of serotonergic synaptic activity. But when serotonin should be metabolized at low levels during the other six stages, MCP pesticide induced HpTPH and SERT expression, resulting in the improvement of serotonergic synaptic activity. We concluded that this metabolic disturbance is one of the major mechanisms by which MCP pesticides affect the serotonergic nervous system and potentially contribute to various developmental abnormalities.
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Affiliation(s)
- Lei Xu
- Marine Life Science College, Ocean University of China, 5 Yushan Road, Qingdao, 266003, Shandong province, China
| | - Hua Tian
- Marine Life Science College, Ocean University of China, 5 Yushan Road, Qingdao, 266003, Shandong province, China
| | - Wei Wang
- Marine Life Science College, Ocean University of China, 5 Yushan Road, Qingdao, 266003, Shandong province, China
| | - Shaoguo Ru
- Marine Life Science College, Ocean University of China, 5 Yushan Road, Qingdao, 266003, Shandong province, China.
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