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Chen X, Sun W, Song Y, Wu S, Xie S, Xiong W, Peng C, Peng Y, Wang Z, Lek S, Hogstrand C, Sørensen M, Pan L, Liu D. Acute waterborne cadmium exposure induces liver ferroptosis in Channa argus. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 283:116947. [PMID: 39213749 DOI: 10.1016/j.ecoenv.2024.116947] [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: 08/17/2024] [Accepted: 08/24/2024] [Indexed: 09/04/2024]
Abstract
The impact of cadmium (Cd) toxicity on fish liver injury has received much attention in recent years. Currently, autophagy, apoptosis and endoplasmic reticulum stress were reported in Cd exposed fish liver, and if there are other mechanisms (such as ferroptosis) and relevant signaling pathways involved in fish remains unknown. An experiment was conducted to investigate Cd toxicity in Channa argus (Cantor, 1842) exposed to 0, 1.0, and 2.0 mg Cd/L of water for 96 h. Cd disrupted the structure of mitochondria in the liver. Besides, Cd induced ferroptosis by significantly increasing the level of Fe2+, ROS, MDA and significantly decreasing the level of Ferritin, GSH, GSH-Px, GPX4, GST and SOD (p < 0.05 in all cases). In addition, the mRNA expression of ferroptosis related genes, gpx4 and slc7a11, were significantly downregulated by Cd. Moreover, Cd exposure significantly inhibited the Nrf2/Keap1 signaling pathway, one of the pathways involved in ferroptosis, by upregulating the mRNA levels of keap1a and keap1b, and downregulating the mRNA levels of nrf2 and its target genes (ho-1, nqo1 and cat). Cd exposure also caused extensive accumulation of vacuoles and lipid droplets in liver, as well as an increase in triglyceride content. Cd significantly affected lipid metabolism related enzyme activity and gene expression, which were also regulated by Nrf2/Keap1 signaling pathway. In summary, these results indicate that ferroptosis is a mechanism in waterborne Cd exposed fish liver injury via the Nrf2/Keap1 signaling pathway and the Cd induced hepatic steatosis is also modulated by Nrf2/Keap1 pathway at the whole-body level in fish. These findings provide new insights into the fish liver injury and molecular basis of Cd toxicity.
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Affiliation(s)
- Xingyu Chen
- Faculty of Resources and Environmental Science, Hubei University, Wuhan 430062, China; Hubei Key Laboratory of Regional Development and Environmental Response, Hubei University, Wuhan 430062, China
| | - Wenqian Sun
- Faculty of Resources and Environmental Science, Hubei University, Wuhan 430062, China; Hubei Key Laboratory of Regional Development and Environmental Response, Hubei University, Wuhan 430062, China
| | - Yanting Song
- Faculty of Resources and Environmental Science, Hubei University, Wuhan 430062, China; Hubei Key Laboratory of Regional Development and Environmental Response, Hubei University, Wuhan 430062, China
| | - Shangong Wu
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, The Chinese Academy of Sciences, Wuhan 430072, China
| | - Shouqi Xie
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, The Chinese Academy of Sciences, Wuhan 430072, China
| | - Wen Xiong
- College of Life Sciences, Hubei Normal University, Huangshi 435002, China
| | - Chengdong Peng
- Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yu Peng
- Faculty of Resources and Environmental Science, Hubei University, Wuhan 430062, China; Hubei Key Laboratory of Regional Development and Environmental Response, Hubei University, Wuhan 430062, China
| | - Zhengxiang Wang
- Faculty of Resources and Environmental Science, Hubei University, Wuhan 430062, China; Hubei Key Laboratory of Regional Development and Environmental Response, Hubei University, Wuhan 430062, China
| | - Sovan Lek
- Laboratoire Evolution & Diversité Biologique, UMR 5174, Université Paul Sabatier-Toulouse III, 118 routes de Narbonne, 31062, Toulouse Cedex 4, France
| | - Christer Hogstrand
- Department of Nutritional Sciences, King's College London, London WC2R 2LS, UK
| | - Mette Sørensen
- Faculty of Biosciences and Aquaculture, Nord University, Bodø 8049, Norway
| | - Lei Pan
- Faculty of Resources and Environmental Science, Hubei University, Wuhan 430062, China; Hubei Key Laboratory of Regional Development and Environmental Response, Hubei University, Wuhan 430062, China.
| | - Dong Liu
- Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.
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Lee JW, Jo AH, Lee DC, Choi CY, Kang JC, Kim JH. Review of cadmium toxicity effects on fish: Oxidative stress and immune responses. ENVIRONMENTAL RESEARCH 2023; 236:116600. [PMID: 37429393 DOI: 10.1016/j.envres.2023.116600] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/17/2023] [Accepted: 07/07/2023] [Indexed: 07/12/2023]
Abstract
Cadmium (Cd) in aquatic environments can cause environmental toxicity to fish and induce oxidative stress owing to an excessive production of reactive oxygen species in fish bodies. Fish have developed various antioxidant systems to protect themselves from reactive oxygen species; thus, a change in antioxidant responses in fish can be a criterion for evaluating oxidative stress resulting from Cd exposure. Because Cd exposure may be recognized as an exogenous substance by a fish body, it may lead to the stimulation or suppression of its immune system. Various immune responses can be assessed to evaluate Cd toxicity in fish. This review aimed to identify the impacts of Cd exposure on oxidative stress and immunotoxicity in fish as well as identify accurate indicators of Cd toxicity in aquatic ecosystems.
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Affiliation(s)
- Ju-Wook Lee
- West Sea Fisheries Research Institute, National Institute of Fisheries Science, Incheon, South Korea
| | - A-Hyun Jo
- Department of Aquatic Life and Medical Science, Sun Moon University, Asan, South Korea
| | - Deok-Chan Lee
- Shellfish Research Team, South Sea Fisheries Research Institute, National Institute of Fisheries Science, Tongyoung 53085, South Korea.
| | - Cheol Young Choi
- Division of Marine BioScience, Korea Maritime and Ocean University, Busan 49112, South Korea.
| | - Ju-Chan Kang
- Department of Aquatic Life Medicine, Pukyong National University, Busan 48513, South Korea.
| | - Jun-Hwan Kim
- Department of Marine Life Science, Jeju National University, Jeju 63243, South Korea.
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Zulfahmi I, El Rahimi SA, Suherman SD, Almunawarah A, Sardi A, Helmi K, Nafis B, Perdana AW, Adani KH, Admaja Nasution IA, Sumon KA, Rahman MM. Acute toxicity of palm oil mill effluent on zebrafish (Danio rerio Hamilton-Buchanan, 1822): Growth performance, behavioral responses and histopathological lesions. CHEMOSPHERE 2023; 340:139788. [PMID: 37574082 DOI: 10.1016/j.chemosphere.2023.139788] [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: 06/05/2023] [Revised: 08/08/2023] [Accepted: 08/09/2023] [Indexed: 08/15/2023]
Abstract
Evaluating the toxicity of Palm Oil Mill Effluent (POME) is critical as part of the effort to develop waste management regulations for the palm oil industry. In this study, we investigated the acute toxicity of POME on growth performance, behavioral response, and histopathology of gill and liver tissues of zebrafish (Danio rerio). In total, 550 adult male zebrafish were used for the toxicity experiment including range finding test, acute toxicity test, growth performance and behaviour test. Static non-renewal acute toxicity bioassays were conducted by exposing fish to POME (1.584-9.968 mL/L) for 96 h. Growth performance, behavior response, and histopathological lesions in untreated and POME treated (96-h LC50: 5.156 mL/L) fish were measured at 24, 48, 72 and 96 h. Time-dependent significant decline in body length and body weight of POME-exposed zebrafish was observed. Furthermore, several behavioral changes were recorded, including hyperactivity, loss of balance, excessive mucus secretion, and depigmentation. Decreasing operculum movement and oxygen consumption rate as well as alterations in gill tissues (i.e. hyperplasia, hypertrophy, hemorrhage, and necrosis) of POME-exposed zebrafish were observed, suggesting a dysfunction in respiratory performance. On the other hand, liver tissue alterations (congestion, hemorrhage, hyperplasia, shrinkage of hepatocytes, hydrophilic degeneration, and necrosis) indicated a disruption in detoxification performance. We conclude that exposure to POME at acute concentration caused histopathological lesions both in gill and liver tissue along with changes in fish behaviors which disrupted respiratory and detoxification performance, resulting in mortality and reduced growth of zebrafish. These findings might provide valuable information for guiding POME management and regulation.
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Affiliation(s)
- Ilham Zulfahmi
- Department of Fisheries Resources Utilization, Faculty of Marine and Fisheries, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia.
| | - Sayyid Afdhal El Rahimi
- Department of Marine Science, Faculty of Marine and Fisheries, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia
| | - Saed Dedi Suherman
- Center for Aquatic Research and Conservation (CARC), Universitas Islam Negeri Ar-Raniry, Banda Aceh, 23111, Indonesia
| | - Almunawarah Almunawarah
- Center for Aquatic Research and Conservation (CARC), Universitas Islam Negeri Ar-Raniry, Banda Aceh, 23111, Indonesia
| | - Arif Sardi
- Department of Biology, Faculty of Science and Technology, Universitas Islam Negeri Ar-Raniry, Banda Aceh, 23111, Indonesia
| | - Kamaliah Helmi
- Department of Biology, Faculty of Science and Technology, Universitas Islam Negeri Ar-Raniry, Banda Aceh, 23111, Indonesia
| | - Badratun Nafis
- Department of Biology, Faculty of Science and Technology, Universitas Islam Negeri Ar-Raniry, Banda Aceh, 23111, Indonesia
| | - Adli Waliul Perdana
- Department of Aquaculture, Faculty of Marine and Fisheries, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia
| | - Khalisah Huwaina Adani
- Department of Aquaculture, Faculty of Marine and Fisheries, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia
| | - Ihdina Alfi Admaja Nasution
- Department of Aquaculture, Faculty of Marine and Fisheries, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia
| | - Kizar Ahmed Sumon
- Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Mohammad Mahmudur Rahman
- Global Centre for Environmental Remediation (GCER), College of Engineering, Science and Environment, The University of Newcastle, Callaghan, NSW, 2308, Australia
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Wei W, Yang Q, Xiang D, Chen X, Wen Z, Wang X, Xu X, Peng C, Yang L, Luo M, Xu J. Combined impacts of microplastics and cadmium on the liver function, immune response, and intestinal microbiota of crucian carp (Carassius carassius). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 261:115104. [PMID: 37295303 DOI: 10.1016/j.ecoenv.2023.115104] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 05/22/2023] [Accepted: 06/01/2023] [Indexed: 06/12/2023]
Abstract
Microplastics (MPs) and the heavy metal cadmium (Cd) have attracted global attention for their toxicological interactions in aquatic organisms. The purpose of this investigation was evaluating the effect of MPs (1 mg L-1) and Cd (5 mg L-1) on the liver function, immune response of crucian carp (Carassius carassius) after 96 h exposure, and intestinal microbiota after 21 days, respectively. Co-exposure to MPs and Cd significantly enhanced MP accumulation in the liver of the crucian carp compared to the accumulation with exposure to MPs alone. Co-exposure to MPs and Cd triggered notable histopathological alterations accompanied by increased hepatic cell necrosis and inflammation, and was associated with higher aspartate aminotransferase and alanine aminotransferase levels, lower superoxide dismutase and catalase activity levels, but higher malondialdehyde content and total antioxidant capacity in the liver. Moreover, the combined treatment of MPs and Cd led to the up-regulated transcription of genes related to immune response, such as interleukin 8 (il-8), il-10, il-1β, tumor necrosis factor-α, and heat shock protein 70, both in the liver and spleen. Co-exposure to MPs and Cd reduced the variety and abundance of the intestinal microbiota in the crucian carp. Our research indicates that the combined exposure to MPs and Cd may exert synergistic toxic effects on crucian carp, which could impede the sustainable growth of the aquaculture industry and pose potential risks to food safety.
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Affiliation(s)
- Wei Wei
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Traceability for Agricultural Genetically Modified Organisms, Ministry of Agriculture and Rural Affairs, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Qiufeng Yang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Traceability for Agricultural Genetically Modified Organisms, Ministry of Agriculture and Rural Affairs, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; Engineering Research Centre of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Animal Science, Yangtze University, Jingzhou 434025, China
| | - Dan Xiang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Traceability for Agricultural Genetically Modified Organisms, Ministry of Agriculture and Rural Affairs, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; Engineering Research Centre of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Animal Science, Yangtze University, Jingzhou 434025, China
| | - Xiaoyun Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Traceability for Agricultural Genetically Modified Organisms, Ministry of Agriculture and Rural Affairs, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Zhengrong Wen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Traceability for Agricultural Genetically Modified Organisms, Ministry of Agriculture and Rural Affairs, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; Engineering Research Centre of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Animal Science, Yangtze University, Jingzhou 434025, China
| | - Xiaofu Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Traceability for Agricultural Genetically Modified Organisms, Ministry of Agriculture and Rural Affairs, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Xiaoli Xu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Traceability for Agricultural Genetically Modified Organisms, Ministry of Agriculture and Rural Affairs, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Cheng Peng
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Traceability for Agricultural Genetically Modified Organisms, Ministry of Agriculture and Rural Affairs, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Lei Yang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Traceability for Agricultural Genetically Modified Organisms, Ministry of Agriculture and Rural Affairs, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Mingzhong Luo
- Engineering Research Centre of Ecology and Agricultural Use of Wetland, Ministry of Education, Hubei Key Laboratory of Waterlogging Disaster and Agricultural Use of Wetland, College of Animal Science, Yangtze University, Jingzhou 434025, China.
| | - Junfeng Xu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory of Traceability for Agricultural Genetically Modified Organisms, Ministry of Agriculture and Rural Affairs, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
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Das S, Kar I, Patra AK. Cadmium induced bioaccumulation, histopathology, gene regulation in fish and its amelioration - A review. J Trace Elem Med Biol 2023; 79:127202. [PMID: 37263063 DOI: 10.1016/j.jtemb.2023.127202] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 05/03/2023] [Accepted: 05/14/2023] [Indexed: 06/03/2023]
Abstract
Different anthropogenic activities as well as natural sources contribute enormously towards various heavy metal contaminations in aquatic habitats. Cadmium (Cd) is one of most prevalent and toxic heavy metals with a long half life. Unlike terrestrial animals, exposure of Cd in fishes may happen not only through feeds but also from its habitat water. Bioaccumulation of Cd in fishes occurs in many tissues, but mainly in gill, liver, kidney, skin, and muscle. The concentrations of Cd in fish tissues depend upon the extent and duration of Cd exposure, species and age of fishes, dietary minerals and antioxidant concentrations, and habitat water quality. Specific histopathological observations in liver, kidney, and gill are useful to understand the effects of Cd, which could help to determine the ameliorating methods to be adopted. Exposure of Cd exerts several adverse effects on general growth and development, reproductive processes, osmoregulation, morphological and histological structures, stress tolerance, and endocrine system, mainly due to changes in biological functions induced by differential expressions of several genes related to oxidative stress, apoptosis, inflammation, immunosuppressions, genotoxicity, Cd chelation and carbohydrate metabolism. Chronic biomagnifications of Cd exceeding the permitted level may be harmful not only to the fishes itself but also to humans through food chains. Amelioration of such toxic heavy metal that has been categorized as a potent carcinogenic in humans is of utmost importance. Main modes of amelioration encompas reducing oxidative damages by promoting the antioxidative defenses, decreasing Cd absorption, increasing excretion through excretory system and improving the tolerance of fishes to Cd toxicity. Many amelioration measures such as use of minerals (for example, zinc, calcium, and iron), vitamins (vitamin C, A, and E), different herbs, probiotics and other agents (taurine, bentonite, chitosan, zeolite, and metallothionein) have been explored for their effective roles to reduce Cd bioaccumulation and toxicity symptoms in fishes. The present review discusses bioaccumulation of Cd, histopathological alterations, oxidative stress, synergism-antagonism, and gene regulation in different tissues, and its amelioration measures in fishes.
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Affiliation(s)
- Srinibas Das
- Department of Fish Nutrition, West Bengal University of Animal and Fishery Sciences, Kolkata, West Bengal, India
| | - Indrajit Kar
- Department of Avian Sciences, West Bengal University of Animal and Fishery Sciences, Mohanpur, Nadia, West Bengal, India.
| | - Amlan Kumar Patra
- Department of Animal Nutrition, West Bengal University of Animal and Fishery Sciences, Kolkata, West Bengal, India.
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Liu XH, Pang X, Jin L, Pu DY, Wang ZJ, Zhang YG. Exposure to acute waterborne cadmium caused severe damage on lipid metabolism of freshwater fish, revealed by nuclear lipid droplet deposition in hepatocytes of rare minnow. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 257:106433. [PMID: 36841070 DOI: 10.1016/j.aquatox.2023.106433] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 02/02/2023] [Accepted: 02/16/2023] [Indexed: 05/12/2023]
Abstract
Cadmium (Cd) is a widely distributed aquatic toxic heavy metal with the potential to disrupt fish metabolism; however, more research is needed to clarify the underlying mechanisms. In the present study, rare minnows (Gobiocypris rarus) were used to detect the effects of cadmium on freshwater fish lipid metabolism and its underlying mechanism by histopathological observation, measurement of serum and liver biochemical indexes, and analysis of gene expression in terms of lipid oxidation, synthesis and transport. Here, severe damage, such as cytoplasmic lipid droplet (LD) accumulation, ectopic deposition of LDs, and the appearance of nuclear LDs (nLDs), was detected after exposure to 2.0 mg/L or higher concentrations (2.5 and 2.8 mg/L CdCl2) for 96 h. Other damage included abnormal increases in rough endoplasmic reticulum (RER) lamellae in a fingerprint or concentric circle pattern and necrosis of hepatocytes, and which was observed in the livers of fish exposed to 2.0 mg/L CdCl2.. Both hepatic and serum lipids, such as triglycerides and total cholesterol, were significantly increased after exposure to 2.0 mg/L CdCl2, as was serum lipase (LPS). Hepatic lipase and lipoprotein lipase remained unchanged, in accordance with the unchanged hepatic mRNA transcripts of PPARɑ. Furthermore, the mRNA transcripts of both SCD and SQLE were significantly decreased. Moreover, hepatic and serum low-density and high-density lipoprotein cholesterol showed significant changes, which were accompanied by a significant increase and decrease in hepatic APOAI and APOB100 mRNA levels, respectively. All the results indicate the presence of severe damage to hepatic lipid metabolism and that disrupted lipid transport may play a key role in the accumulation of hepatic LDs. In addition, the hepatic nLDs of nonmammalian vertebrates and their location across the nuclear envelope are intriguing, suggesting that large-size nLDs are a common marker for severe liver damage.
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Affiliation(s)
- Xiao-Hong Liu
- Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, Southwest University School of Life Sciences, Chongqing 400715, China
| | - Xu Pang
- College of Fisheries, Institute of Three Gorges Ecological Fisheries of Chongqing, Southwest University, Chongqing 400715, China
| | - Li Jin
- Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, Southwest University School of Life Sciences, Chongqing 400715, China
| | - De-Yong Pu
- Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, Southwest University School of Life Sciences, Chongqing 400715, China
| | - Zhi-Jian Wang
- Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, Southwest University School of Life Sciences, Chongqing 400715, China.
| | - Yao-Guang Zhang
- Key Laboratory of Freshwater Fish Reproduction and Development (Ministry of Education), Key Laboratory of Aquatic Science of Chongqing, Southwest University School of Life Sciences, Chongqing 400715, China.
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Petitjean Q, Laffaille P, Perrault A, Cousseau M, Jean S, Jacquin L. Adaptive plastic responses to metal contamination in a multistress context: a field experiment in fish. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:55678-55698. [PMID: 36894734 DOI: 10.1007/s11356-023-26189-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Wild populations often differ in their tolerance to environmental stressors, but intraspecific variability is rarely taken into account in ecotoxicology. In addition, plastic responses to multiple stressors have rarely been investigated in realistic field conditions. In this study, we compared the responses to metal contamination of gudgeon populations (Gobio occitaniae) differing in their past chronic exposure to metal contamination, using a reciprocal transplant experiment and an immune challenge mimicking a parasite attack to test for potential effects of multiple stressors across biological levels. We measured fish survival and traits involved in metal bioaccumulation, oxidative stress, immunity, cell apoptosis, and energy management to decipher underpinning physiological mechanisms across biological levels (i.e., gene expression, cell, organism). Fish from the two replicate High Contamination sites had higher survival when transferred into contaminated sites, suggesting a local adaptation to the contaminated site, possibly explained by higher levels of detoxification and antioxidant capacity but with potential higher apoptosis costs compared to their naïve counterparts. We found no evidence of co- or maladaptation to the immune stressor, suggesting no specific costs to face pathogens. In the emerging field of evolutionary ecotoxicology, this study underlines the need to consider intraspecific variability to better understand the effects of pollution in heterogeneous populations.
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Affiliation(s)
- Quentin Petitjean
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France.
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, UPS, CNRS, IRD, Toulouse, France.
- Long-Term Socio-Ecological Research Platform LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France.
- Institut Sophia Agrobiotech, UMR1355 INRAE, UMR7254 CNRS, Université Côte d'Azur, Sophia-Antipolis, France.
| | - Pascal Laffaille
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France
| | - Annie Perrault
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France
| | - Myriam Cousseau
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France
| | - Séverine Jean
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245 LEFE, Université de Toulouse, UPS, CNRS, INP-ENSAT, Auzeville-Tolosane, France
- Long-Term Socio-Ecological Research Platform LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France
| | - Lisa Jacquin
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, UPS, CNRS, IRD, Toulouse, France
- Long-Term Socio-Ecological Research Platform LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France
- Institut Universitaire de France, Paris, France
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Wen J, Giri M, Xu L, Guo S. Association between Exposure to Selected Heavy Metals and Blood Eosinophil Counts in Asthmatic Adults: Results from NHANES 2011-2018. J Clin Med 2023; 12:jcm12041543. [PMID: 36836077 PMCID: PMC9965605 DOI: 10.3390/jcm12041543] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/31/2023] [Accepted: 02/14/2023] [Indexed: 02/18/2023] Open
Abstract
(1) Background: Heavy metals are widely used and dispersed in the environment and people's daily routines. Many studies have reported an association between heavy metal exposure and asthma. Blood eosinophils play a crucial role in the occurrence, progression, and treatment of asthma. However, there have thus far been few studies that aimed to explore the effects of heavy metal exposure on blood eosinophil counts in adults with asthma. Our study aims to discuss the association between metal exposure and blood eosinophil counts among asthmatic adults. (2) Methods: A total of 2026 asthmatic individuals were involved in our research from NHANES with metal exposure, blood eosinophils, and other covariates among the American population. A regression model, the XGBoost algorithm, and a generalized linear model (GAM) were used to explore the potential correlation. Furthermore, we conducted a stratified analysis to determine high-risk populations. (3) Results: The multivariate regression analysis indicated that concentrations of blood Pb (log per 1 mg/L; coefficient β, 25.39; p = 0.010) were positively associated with blood eosinophil counts. However, the associations between blood cadmium, mercury, selenium, manganese, and blood eosinophil counts were not statistically significant. We used stratified analysis to determine the high-risk group regarding Pb exposure. Pb was identified as the most vital variable influencing blood eosinophils through the XGBoost algorithm. We also used GAM to observe the linear relationship between the blood Pb concentrations and blood eosinophil counts. (4) Conclusions: The study demonstrated that blood Pb was positively correlated with blood eosinophil counts among asthmatic adults. We suggested that long-time Pb exposure as a risk factor might be correlated with the immune system disorder of asthmatic adults and affect the development, exacerbation, and treatment of asthma.
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The Anti-Inflammatory Effect of Carrageenan/Echinochrom Complex at Experimental Endotoxemia. Int J Mol Sci 2022; 23:ijms231911702. [PMID: 36233004 PMCID: PMC9570226 DOI: 10.3390/ijms231911702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/22/2022] [Accepted: 09/29/2022] [Indexed: 11/16/2022] Open
Abstract
The anti-inflammatory effects of the CRG/Ech complex in LPS-induced endotoxemia were investigated in vivo in mice and in vitro in LPS-stimulated RAW 264.7 cells and peritoneal macrophages. The results indicated that the CRG/Ech complex suppressed the LPS-induced inflammatory response by reducing the production of ROS and NO in the macrophages. Furthermore, the in vivo experiment indicated that the CRG/Ech complex minimized disorders of the physiological and metabolic processes in mice subjected to LPS intoxication and reduced the levels of proinflammatory cytokines in the mouse serum. The preventive administration of the CRG/Ech complex to mice prevented endotoxin-induced damage in the mouse model of endotoxemia, increased the mice’s resistance to LPS, and prevented increases in the levels of proinflammatory cytokines (TNFα). In this work, we showed by the molecular docking that Ech interacted with carrageenan, and that H-donor and H-acceptor bonds are involved in the formation of the complex.
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Investigation on Immune-Related Protein (Heat Shock Proteins and Metallothionein) Gene Expression Changes and Liver Histopathology in Cadmium-Stressed Fish. BIOMED RESEARCH INTERNATIONAL 2022; 2022:2075791. [PMID: 35968242 PMCID: PMC9365607 DOI: 10.1155/2022/2075791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 07/18/2022] [Indexed: 11/27/2022]
Abstract
Heat shock proteins (HSP) are highly conserved in their structure and released in case of stress. Increased metallothionein (MT) synthesis is associated with increased capacity for binding heavy metals. Healthy juveniles of grass carp were exposed to sublethal dose (1.495 mg L−1) of cadmium for 28 days. Simultaneously, a control group was also run to compare difference of total RNA expression levels in cadmium-treated and control groups. The cadmium levels in the tissues of treated fish recorded were 1.78 ± 0.10 mg L−1, 1.60 ± 0.04 mg L−1, and 2.00 ± 0.05 mg L−1, respectively. Several histological alterations including edema, hemorrhage, dilated sinusoids, hypertrophy, hyperplasia, congestion of central vein, and nuclear alterations were observed in cadmium-exposed fish. Stress gene (metallothionein and heat shock proteins) mRNA transcription levels were studied by mRNA extraction and cDNA preparation by using PCR. The expression level of heat shock protein gene was higher as compared to metallothionein and beta-2-microglobulin gene after cadmium exposure. This study reports various stress-related immune-responsive changes of immune proteins, heat shock proteins, metallothionein, and histopathological changes in fish due to cadmium toxicity that make the fish immunocompromised which may be considered as the biomarkers of cadmium toxicity in other experimental species.
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Shahjahan M, Taslima K, Rahman MS, Al-Emran M, Alam SI, Faggio C. Effects of heavy metals on fish physiology - A review. CHEMOSPHERE 2022; 300:134519. [PMID: 35398071 DOI: 10.1016/j.chemosphere.2022.134519] [Citation(s) in RCA: 89] [Impact Index Per Article: 44.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/22/2022] [Accepted: 04/02/2022] [Indexed: 06/14/2023]
Abstract
The pollution by heavy metals poses a serious threat to the aquatic environment and to the organisms if the concentration of heavy metals in the environment exceeds the safe limits. Due to their non-biodegradable and long persistence nature in the environment, heavy metals cause toxicity in fish by producing oxygen reactive species through oxidizing radical production. In this review, we investigated the effects of heavy metals on fish physiology with special emphasis on hemato-biochemical properties, immunological parameters especially hormones and enzymes, histopathology of different major organs and underlying molecular mechanisms. All those parameters are significantly affected by heavy metal exposure and are found to be important bio-monitoring tools to assess heavy metal toxicity. Hematological and biochemical alterations have been documented including cellular and nuclear abnormalities in different fish species exposed to different concentrations of heavy metals. Major fish organs (gills, liver, kidneys) including intestine, muscles showed different types of pathology specific to organs in acute and chronic exposure to different heavy metals. This study also revealed the expression of different genes involved in oxidative stress and detoxification of heavy metals. In a nutshell, this article shades light on the manipulation of fish physiology by the heavy metals and sought attention in the prevention and maintenance of aquatic environments particularly from heavy metals contaminations.
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Affiliation(s)
- Md Shahjahan
- Laboratory of Fish Ecophysiology, Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh.
| | - Khanam Taslima
- Department of Fisheries Biology and Genetics, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Mohammad Shadiqur Rahman
- Bangamata Sheikh Fojilatunnesa Mujib Science and Technology University, Melandah, Jamalpur, Bangladesh
| | - Md Al-Emran
- Laboratory of Fish Ecophysiology, Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Shanon Iffat Alam
- Laboratory of Fish Ecophysiology, Department of Fisheries Management, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Caterina Faggio
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166, S.Agata-Messina, Italy
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Shang X, Xu W, Zhao Z, Luo L, Zhang Q, Li M, Sun Q, Geng L. Effects of exposure to cadmium (Cd) and selenium-enriched Lactobacillus plantarum in Luciobarbus capito: Bioaccumulation, antioxidant responses and intestinal microflora. Comp Biochem Physiol C Toxicol Pharmacol 2022; 257:109352. [PMID: 35460911 DOI: 10.1016/j.cbpc.2022.109352] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/01/2022] [Accepted: 04/14/2022] [Indexed: 02/02/2023]
Abstract
Cadmium (Cd) is a dangerous pollutant with multiple toxic effects on aquatic animals, and it exists widely in the environment. Selenium (Se) is a biologically essential trace element. Interactions between heavy metals and selenium can significantly affect their biological toxicity, although little is known about the mechanism of this antagonism. Lactobacillus is one of the dominant probiotics, given that a certain dose promotes host health. In this study, we evaluated the protective effect of a dietary probiotic supplementation, Se-enriched Lactobacillus plantarum (L. plantarum), on the bioaccumulation, oxidative stress and gut microflora of Luciobarbus capito exposed to waterborne Cd. Fish were exposed for 28 days to waterborne Cd at 0.05 mg/L and/or dietary Se-enriched L. plantarum. Exposure to Cd in water leads to Cd accumulation in tissues, oxidative stress and significant changes in gut microflora composition. Adding Se-enriched L. plantarum to the diet can reduce the accumulation of Cd in tissues, enhance the activity of antioxidant enzymes, and reverse changes in intestinal microbial composition after Cd exposure. The results obtained indicate that Se-enriched L. plantarum provides significant protection against the toxicity of Cd by inhibiting bioaccumulation. Selenium reduced oxidative stress by increasing the activity of glutathione (GSH), superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPX) and malondialdehyde (MDA). Se-enriched L. plantarum can reduce the increase in the number of pathogenic Aeromonas caviae bacteria in the intestine caused by Cd stress and increase the number of Gemmobacter to regulate the microbial population. The results of this study show that Se-enriched L. plantarum dietary supplements can effectively protect Luciobarbus capito against Cd toxicity at subchronic levels.
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Affiliation(s)
- Xinchi Shang
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Rd 43 Songfa, Daoli District, Harbin 150070, China; Key Laboratory of Cold Water Fish Germplasm Resources and Multiplication and Cultivation of Heilongjiang Province, Harbin 150070, Heilongjiang, China
| | - Wei Xu
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Rd 43 Songfa, Daoli District, Harbin 150070, China; Key Laboratory of Cold Water Fish Germplasm Resources and Multiplication and Cultivation of Heilongjiang Province, Harbin 150070, Heilongjiang, China.
| | - Zhigang Zhao
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Rd 43 Songfa, Daoli District, Harbin 150070, China; Key Laboratory of Cold Water Fish Germplasm Resources and Multiplication and Cultivation of Heilongjiang Province, Harbin 150070, Heilongjiang, China
| | - Liang Luo
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Rd 43 Songfa, Daoli District, Harbin 150070, China; Key Laboratory of Cold Water Fish Germplasm Resources and Multiplication and Cultivation of Heilongjiang Province, Harbin 150070, Heilongjiang, China
| | - Qing Zhang
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Rd 43 Songfa, Daoli District, Harbin 150070, China; Key Laboratory of Cold Water Fish Germplasm Resources and Multiplication and Cultivation of Heilongjiang Province, Harbin 150070, Heilongjiang, China
| | - Muyang Li
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Rd 43 Songfa, Daoli District, Harbin 150070, China; Key Laboratory of Cold Water Fish Germplasm Resources and Multiplication and Cultivation of Heilongjiang Province, Harbin 150070, Heilongjiang, China; College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, Heilongjiang 163319, China
| | - Qingsong Sun
- Jilin Agricultural Science and Technology University, Key Lab of Preventive Veterinary Medicine in Jilin Province, 77 Hanlin Road, Jilin 132101,China
| | - Longwu Geng
- Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Rd 43 Songfa, Daoli District, Harbin 150070, China; Key Laboratory of Cold Water Fish Germplasm Resources and Multiplication and Cultivation of Heilongjiang Province, Harbin 150070, Heilongjiang, China.
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13
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Yang L, Zheng S, Kong D, Xiang S, Wu J, Wan N, Sun W, Li W. Characterization, expression, and function analysis of AKR1A1 gene from yellow catfish (Tachysurus fulvidraco). FISH PHYSIOLOGY AND BIOCHEMISTRY 2022; 48:285-302. [PMID: 35113310 DOI: 10.1007/s10695-022-01048-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 01/11/2022] [Indexed: 06/14/2023]
Abstract
Aldehyde reductase (AKR1A1) is a carbonyl detoxification protein in toxic aldehyde removal. In the present study, the full-length cDNA of yellow catfish AKR1A1 (TfAKR1A1) was cloned. As expected, yellow catfish AKR1A1 showed similarities with that of other species. Subsequently, prokaryotic expression vector was constructed and recombinant TfAKR1A1 (rTfAKR1A1) was successfully induced and purified. rTfAKR1A1 exhibited reductive activity to many aldehydes and ketones. To determine whether TfAKR1A1 could confer stress tolerance in vitro, the viability of control and TfAKR1A1 expression E. coli under abiotic stress was compared by spot assay. Results showed that the recombinant strain had better stress resistance under cadmium, hydrogen peroxide, and DL-glyceraldehyde stress. Then, effects of an intraperitoneal injection of rTfAKR1A1 protein on cadmium-induced oxidative stress were evaluated. Results displayed that TfAKR1A1 and Nrf2 expression levels were significantly decreased, CAT and SOD expression levels were significantly increased, BCL-2 and IL-10 expression levels were significantly increased, and caspase3a, NF-κB, and IL-1β expression levels were significantly decreased in protein-injection group. Furthermore, oxidative stress indexes in livers under different protein injection doses were examined by ELISA. Results showed that CAT, SOD, and GSH-Px activities were upregulated, ROS and T-AOC contents were also improved, while MDA content was significantly decreased both in lower and middle dose injection groups. Finally, liver pathological section analysis was performed. Results displayed that liver injury degree in protein-injected groups was lower than that of PBS group under cadmium stress. These results suggested that TfAKR1A1 played important roles in response to cadmium stress in yellow catfish.
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Affiliation(s)
- Long Yang
- College of Life Sciences, Yangtze University, Jingmi Road 266, Jingzhou, Hubei Province, 434025, People's Republic of China
| | - Shuting Zheng
- College of Life Sciences, Yangtze University, Jingmi Road 266, Jingzhou, Hubei Province, 434025, People's Republic of China
| | - Dan Kong
- College of Life Sciences, Yangtze University, Jingmi Road 266, Jingzhou, Hubei Province, 434025, People's Republic of China
| | - Shenghan Xiang
- College of Life Sciences, Yangtze University, Jingmi Road 266, Jingzhou, Hubei Province, 434025, People's Republic of China
| | - Jianfen Wu
- College of Life Sciences, Yangtze University, Jingmi Road 266, Jingzhou, Hubei Province, 434025, People's Republic of China
| | - Neng Wan
- College of Life Sciences, Yangtze University, Jingmi Road 266, Jingzhou, Hubei Province, 434025, People's Republic of China
| | - Wenxiu Sun
- College of Life Sciences, Yangtze University, Jingmi Road 266, Jingzhou, Hubei Province, 434025, People's Republic of China
| | - Wei Li
- College of Life Sciences, Yangtze University, Jingmi Road 266, Jingzhou, Hubei Province, 434025, People's Republic of China.
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Chang X, Kang M, Shen Y, Yun L, Yang G, Zhu L, Meng X, Zhang J, Su X. Bacillus coagulans SCC-19 maintains intestinal health in cadmium-exposed common carp (Cyprinus carpio L.) by strengthening the gut barriers, relieving oxidative stress and modulating the intestinal microflora. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 228:112977. [PMID: 34781134 DOI: 10.1016/j.ecoenv.2021.112977] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 10/19/2021] [Accepted: 11/06/2021] [Indexed: 05/26/2023]
Abstract
Heavy metal cadmium (Cd) pollution is a serious problem affecting the sustainable development of aquaculture and the safety of aquatic foods. Research about the use of probiotics to attenuate toxic damage caused by Cd2+ in aquatic animals has received widespread attention. Bacillus coagulans (B. coagulans), a kind of probiotics commonly used in aquaculture, has been shown to adsorb Cd2+ both in vivo and vitro. Here, we aimed to determine the effects of B. coagulans on Cd2+ bioaccumulation, gut barrier function, oxidative stress and gut microbiota in common carp following Cd2+ exposure. The fish were exposure to Cd2+ at 0 and 0.5 mg/L and/or fed a B. coagulans-containing diet at 107, 108 and 109 CFU/g for 8 weeks. The results indicated that B. coagulans can maintain gut barrier function in Cd2+-exposed fish by reducing Cd2+ bioaccumulation, increasing the mRNA levels of tight junction protein genes (occludin, claudin-2 and zonula occludens-1), and decreasing the levels of diamine oxidase and D-lactic acid. In addition, B. coagulans could relieve oxidative stress in Cd2+-exposed fish by restoring the activities of glutathione peroxidase, catalase and superoxide dismutase. Moreover, Cd2+ exposure decreased the intestinal microbiota diversity and changed the intestinal microbiota compositions in common carp. However, supplementation with B. coagulans could reverse the altered intestinal microbiota diversity and composition after Cd2+ exposure, decrease the abundance of some pathogens (Shewanella and Vibrio), and increase the abundance of probiotics (Bacillus and Lactobacillus). These results indicate that B. coagulans may serve as a potential antidote for alleviating Cd2+ toxicity.
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Affiliation(s)
- Xulu Chang
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Meiru Kang
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Yihao Shen
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Lili Yun
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Guokun Yang
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Lei Zhu
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Xiaolin Meng
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Jianxin Zhang
- College of Fisheries, Henan Normal University, Xinxiang 453007, PR China
| | - Xi Su
- Henan Mental Hospital, the Second Affiliated Hospital of Xinxiang Medical University, Xinxiang 453007, PR China.
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Song W, Xie C, Hao S. Developmental and Histopathological Changes in the Gonads of Female Japanese Medaka Following Exposure to Water from the Yellow River, China. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 106:765-772. [PMID: 33751146 DOI: 10.1007/s00128-021-03186-8] [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: 10/09/2020] [Accepted: 03/10/2021] [Indexed: 06/12/2023]
Abstract
Gonad development and histopathological changes typically associated with endocrine disruption were evaluated in female Japanese medaka (Oryzias latipes) exposed to river water from four representative cross-sections in the Yellow River (YR), China. Fish were held in the river water treatments from fertilization. Advanced ovarian development was observed in fish exposed to river water from Qinhe cross-section at 20 days post-hatch (dph) and in fish exposed to river water from all four cross-sections at 60 dph. Histopathological changes including increased oocyte atresia, perifollicular cell hyperplasia/hypertrophy, changes in ovarian staging, interstitial fibrosis and interstitial proteinaceous fluid were observed in the gonads of fish at 60 dph after exposure to river water from some cross-sections. Cytoplasmic retraction and karyoplasmic clumping were observed in fish exposed to river water from all four cross-sections at 60 dph. The results indicate that development and reproductive function in Yellow River fish is impaired, placing fish populations at risk.
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Affiliation(s)
- Wenting Song
- School of Medicine, Henan Polytechnic University, Jiaozuo, 454000, People's Republic of China.
| | - Chen Xie
- School of Medicine, Henan Polytechnic University, Jiaozuo, 454000, People's Republic of China
| | - Shuangying Hao
- School of Medicine, Henan Polytechnic University, Jiaozuo, 454000, People's Republic of China
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16
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Espinosa-Ruiz C, Manuguerra S, Morghese M, García-Beltrán JM, Esteban MÁ, Giuga M, Messina CM, Santulli A. Immunity and inflammatory responses in gilthead sea bream (Sparus aurata L.) exposed to sub-lethal mixture of carbamazepine, cadmium chloride and polybrominated diphenyl ether. FISH & SHELLFISH IMMUNOLOGY 2021; 111:25-35. [PMID: 33359412 DOI: 10.1016/j.fsi.2020.12.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 12/16/2020] [Accepted: 12/20/2020] [Indexed: 06/12/2023]
Abstract
Chemical contaminants such as industrial and urban by-products, pharmaceuticals, drugs metabolites and, plastics, are continuously found in the oceans, affecting its quality and organism's welfare. Although these compounds are found at concentrations ranged ng L-1, there is an increasing concern about the potential adverse effects of the interactions among those substances present, simultaneously, in a mixture. In the present study, specimens of sea bream (Sparus aurata) were exposed, by food, to rising concentrations of a mixture of carbamazepine, polybrominated diphenyl ether-47 and cadmium chloride, for 15 days and then, maintained, with the same control diet, without contaminants, for other 15 days. Samples of skin mucus, serum, head-kidney, liver and intestine were sampled at 0, 15 and 30 days. Cellular immune parameters were evaluated on head-kidney, as well as humoral parameters were determined on skin mucus and serum. In addition, the expression of some genes, related to immunity, was analysed on liver and intestine. Both cellular and humoral response were affected at 15 days, showing slightly signs of recovery at 30 days. Besides, the expression of immune-related genes was highly affected, suggesting the development of inflammatory processes, as well as a reduction of immune parameters. Overall, the mixture of compounds severally affected the immune system of sea bream, suggesting a lower degree of recovery. The prolonged exposure to a mixture of these compounds could entail serious change on population immunity and, eventually, promote changes on marine biota.
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Affiliation(s)
- Cristóbal Espinosa-Ruiz
- University of Palermo, Dept. of Earth and Marine Science DISTEM, Laboratory of Marine Biochemistry and Ecotoxicology, Via Barlotta 4, 91100, Trapani, Italy
| | - Simona Manuguerra
- University of Palermo, Dept. of Earth and Marine Science DISTEM, Laboratory of Marine Biochemistry and Ecotoxicology, Via Barlotta 4, 91100, Trapani, Italy
| | - Maria Morghese
- University of Palermo, Dept. of Earth and Marine Science DISTEM, Laboratory of Marine Biochemistry and Ecotoxicology, Via Barlotta 4, 91100, Trapani, Italy
| | - José María García-Beltrán
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - María Ángeles Esteban
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - Marta Giuga
- University of Palermo, Dept. of Earth and Marine Science DISTEM, Laboratory of Marine Biochemistry and Ecotoxicology, Via Barlotta 4, 91100, Trapani, Italy; Istituto per lo studio degli impatti Antropici e Sostenibilità in ambiente marino (IAS), Consiglio Nazionale delle Ricerche, Capo Granitola, Trapani, Italy; University of Catania, Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Sezione di Scienze della Terra, Corso 57, 95129, Catania, Italy
| | - Concetta M Messina
- University of Palermo, Dept. of Earth and Marine Science DISTEM, Laboratory of Marine Biochemistry and Ecotoxicology, Via Barlotta 4, 91100, Trapani, Italy; Istituto per lo studio degli impatti Antropici e Sostenibilità in ambiente marino (IAS), Consiglio Nazionale delle Ricerche, Capo Granitola, Trapani, Italy.
| | - Andrea Santulli
- University of Palermo, Dept. of Earth and Marine Science DISTEM, Laboratory of Marine Biochemistry and Ecotoxicology, Via Barlotta 4, 91100, Trapani, Italy; Istituto per lo studio degli impatti Antropici e Sostenibilità in ambiente marino (IAS), Consiglio Nazionale delle Ricerche, Capo Granitola, Trapani, Italy; Consorzio Universitario della Provincia di Trapani, Marine Biology Institute, Via Barlotta 4, 91100, Trapani, Italy
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Petitjean Q, Jacquin L, Riem L, Pitout M, Perrault A, Cousseau M, Laffaille P, Jean S. Intraspecific variability of responses to combined metal contamination and immune challenge among wild fish populations. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 272:116042. [PMID: 33190983 DOI: 10.1016/j.envpol.2020.116042] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 10/26/2020] [Accepted: 11/05/2020] [Indexed: 06/11/2023]
Abstract
Wild organisms are increasingly exposed to multiple anthropogenic and natural stressors that can interact in complex ways and lead to unexpected effects. In aquatic ecosystems, contamination by trace metals has deleterious effects on fish health and commonly co-occurs with pathogens, which affect similar physiological and behavioral traits. However, the combined effects of metal contamination and parasitism are still poorly known. In addition, the sensitivity to multiple stressors could be highly variable among different fish populations depending on their evolutionary history, but this intraspecific variability is rarely taken into account in existing ecotoxicological studies. Here, we investigated i) the interactive effects of metal contamination (i.e., realistic mixture of Cd, Cu and Zn) and immune challenge mimicking a parasite attack on fish health across biological levels. In addition, we compared ii) the physiological and behavioral responses among five populations of gudgeon fish (Gobio occitaniae) having evolved along a gradient of metal contamination. Results show that single stressors exposure resulted in an increase of immune defenses and oxidative stress at the expense of body mass (contamination) or fish swimming activity (immune challenge). Multiple stressors had fewer interactive effects than expected, especially on physiological traits, but mainly resulted in antagonistic effects on fish swimming activity. Indeed, the immune challenge modified or inhibited the effects of contamination on fish behavior in most populations, suggesting that multiple stressors could reduce behavioral plasticity. Interestingly, the effects of stressors were highly variable among populations, with lower deleterious effects of metal contamination in populations from highly contaminated environments, although the underlying evolutionary mechanisms remain to be investigated. This study highlights the importance of considering multiple stressors effects and intraspecific variability of sensitivity to refine our ability to predict the effects of environmental contaminants on aquatic wildlife.
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Affiliation(s)
- Quentin Petitjean
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France; EDB, Laboratoire Évolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, 118 Route de Narbonne, 31062, Toulouse, France; LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France.
| | - Lisa Jacquin
- EDB, Laboratoire Évolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, 118 Route de Narbonne, 31062, Toulouse, France; LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France
| | - Louna Riem
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France; EDB, Laboratoire Évolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, 118 Route de Narbonne, 31062, Toulouse, France
| | - Mathilde Pitout
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France
| | - Annie Perrault
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France
| | - Myriam Cousseau
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France
| | - Pascal Laffaille
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France; LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France
| | - Séverine Jean
- Laboratoire Écologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, 118 Route de Narbonne, 31062, Toulouse, France; LTSER France, Zone Atelier PYGAR « Pyrénées-Garonne », Auzeville-Tolosane, France
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18
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Eissa AE, Abu‐Seida AM, Ismail MM, Abu‐Elala NM, Abdelsalam M. A comprehensive overview of the most common skeletal deformities in fish. AQUACULTURE RESEARCH 2021. [DOI: 10.1111/are.15125] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Alaa E. Eissa
- Department of Aquatic Animal Medicine and Management Faculty of Veterinary Medicine Cairo University Giza Egypt
| | - Ashraf M. Abu‐Seida
- Department of Surgery, Anesthesiology and Radiology Faculty of Veterinary Medicine Cairo University Giza Egypt
| | - Mona M. Ismail
- Department of Fish Diseases and Management Faculty of Veterinary Medicine Suez Canal University Ismailia Egypt
| | - Nermeen M. Abu‐Elala
- Department of Aquatic Animal Medicine and Management Faculty of Veterinary Medicine Cairo University Giza Egypt
| | - Mohamed Abdelsalam
- Department of Aquatic Animal Medicine and Management Faculty of Veterinary Medicine Cairo University Giza Egypt
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19
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Xu X, Song Z, Li Z, Liu X, Feng Y, Wang W, Sun G, Yang J. Establishment and characterization of a gill cell line from pearl gentian grouper (Epinephelus lanceolatus♂×Epinephelus fuscoguttatus♀) and its application in cadmium toxicology. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 208:111614. [PMID: 33396134 DOI: 10.1016/j.ecoenv.2020.111614] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/30/2020] [Accepted: 11/04/2020] [Indexed: 06/12/2023]
Abstract
A novel gill cell line from pearl gentian grouper (Epinephelus lanceolatus♂×Epinephelus fuscoguttatus♀, PGGG cell line) was established, its application in cadmium (Cd) toxicology was demonstrated in this study. Primary cultures and PGGG subcultures were carried out at 25 °C in Dulbecco's Modified Eagle medium/F12 medium (1:1; pH 7.2) supplemented with 15% fetal bovine serum (FBS). Primary PGGG cells were spindle-shaped, proliferated into a confluent monolayer within two weeks and were continuously subcultured over passage 60. The growth of cells at passages 20, 40, and 60 was examined. Chromosome analysis revealed that the chromosomal number of normal PGGG cells was 48, but the number of cells with the normal chromosomes number decreased during the passaging process. Cadmium is one of the most toxic metals in aquatic systems and has been associated with multiple animal and human health problems. To interpret the cytotoxicity and related mechanisms of cadmium, PGGG cells were used as an in vitro model. After treatment with cadmium at concentrations ranging from 1 µM to 500 µM, PGGG cells demonstrated dose- and time-dependent cytotoxicity, manifested as morphological abnormalities and a viability decline. Further, it was found that the reactive oxygen species (ROS) and malondialdehyde (MDA) levels were elevated following cadmium exposure, and related genes involved in the antioxidant system, including those encoding catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GPx), glutathione reductase (GR), and Kelch-like- ECH-associated protein 1 (Keap1), were regulated differently. In addition, PGGG cells treated with cadmium had the typical features associated with apoptosis, including phosphatidylserine (PS) externalization; upregulated expression of caspase-3, -8, and -9; and apoptotic body formation. In general, the PGGG cell line may serve as a useful tool for studying the toxic mechanisms of cadmium or other toxicants or for toxicity testing and environment monitoring.
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Affiliation(s)
- Xiaohui Xu
- School of Agriculture, Ludong University, Yantai 264025, China
| | - Zhan Song
- Central Laboratory, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai 264000, China
| | - Zan Li
- School of Agriculture, Ludong University, Yantai 264025, China
| | - Xiumei Liu
- College of Life Sciences, Yantai University, Yantai 264005, China
| | - Yanwei Feng
- School of Agriculture, Ludong University, Yantai 264025, China
| | - Weijun Wang
- School of Agriculture, Ludong University, Yantai 264025, China
| | - Guohua Sun
- School of Agriculture, Ludong University, Yantai 264025, China
| | - Jianmin Yang
- School of Agriculture, Ludong University, Yantai 264025, China.
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Wang N, Guo Z, Zhang Y, Zhang P, Liu J, Cheng Y, Zhang L, Li Y. Effect on intestinal microbiota, bioaccumulation, and oxidative stress of Carassius auratus gibelio under waterborne cadmium exposure. FISH PHYSIOLOGY AND BIOCHEMISTRY 2020; 46:2299-2309. [PMID: 32986141 DOI: 10.1007/s10695-020-00870-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 08/28/2020] [Indexed: 06/11/2023]
Abstract
Cadmium (Cd) is a hazardous pollutant known to exert various toxic effects and other sublethal effects on aquatic organisms, and induce a variety of adverse effects on human health, and can be commonly found in environment. The aim of this study was to explore the effects of waterborne Cd exposure on the intestinal microbiota, and Cd accumulation and oxidative response in Carassius auratus gibelio (C. gibelio). The fish were exposed to waterborne Cd at 0, 1, 2, and 4 mg/L for 30 days. Waterborne Cd exposure resulted marked alterations in the composition of microbiota. At the genus level, Bacteroides, Aeromonas, Akkermansia, Acinetobacter, Chryseobacterium, Shinella, Cetobacterium and Bacillus were significantly changed in Cd groups. The results obtained indicate that Cd exposure significantly increased the bioaccumulation level of Cd and profoundly affected antioxidant enzyme including superoxide dismutase (SOD), catalase (CAT), glutathione (GSH), total antioxidant (T-AOC), malonaldehyde (MDA), and glutathione-S-transferase (GST). The present findings may provide a new framework for the role of gut microbiota in the response to environmental chemical contamination and in the pathogenesis of body disorders.
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Affiliation(s)
- Nan Wang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China
- Ministry of education laboratory of animal production and quality security, Jilin Agricultural University, Changchun, 130118, China
| | - Zhengyao Guo
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China
- Ministry of education laboratory of animal production and quality security, Jilin Agricultural University, Changchun, 130118, China
| | - Yilin Zhang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China
- Ministry of education laboratory of animal production and quality security, Jilin Agricultural University, Changchun, 130118, China
| | - Peijun Zhang
- Health Monitoring and Inspection Center of Jilin Province, Changchun, 130062, China
| | - Jia Liu
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China
- Ministry of education laboratory of animal production and quality security, Jilin Agricultural University, Changchun, 130118, China
| | - Yi Cheng
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China
- Ministry of education laboratory of animal production and quality security, Jilin Agricultural University, Changchun, 130118, China
| | - Lei Zhang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China
- Ministry of education laboratory of animal production and quality security, Jilin Agricultural University, Changchun, 130118, China
| | - Yuehong Li
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China.
- Ministry of education laboratory of animal production and quality security, Jilin Agricultural University, Changchun, 130118, China.
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21
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Petitjean Q, Jacquin L, LeHénaff M, Perrault A, Cousseau M, Laffaille P, Jean S. Dose- and time-dependent effects of an immune challenge on fish across biological levels. JOURNAL OF EXPERIMENTAL ZOOLOGY PART 2020; 335:250-264. [PMID: 33200884 DOI: 10.1002/jez.2430] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 10/30/2020] [Accepted: 10/30/2020] [Indexed: 12/16/2022]
Abstract
Due to global changes, fish are increasingly exposed to immune challenges associated with disease outbreaks in aquatic ecosystems. Adjustments in physiology and behavior are generally critical to maintaining homeostasis after an immune challenge, but there is limited knowledge on the specific thresholds and dynamics of responses across levels of biological organization in fish. In this study, we tested how different concentrations of an antigens mixture (phytohemagglutinin and lipopolysaccharide) affected innate immunity with potential consequences on oxidative stress, energy reserves, body condition, and behavior across time, using the common gudgeon (Gobio sp.) as model species. The immune challenge induced a transitory increase in lytic enzyme activity (i.e., lysozyme) and local immune response (i.e., skin swelling) 2 days after the antigen injection. The available energy stored in muscle was also reduced 4 days after injection, without inducing oxidative stress at the cellular level. Overall, the immune challenge induced limited costs at the molecular and cellular levels but had strong effects at the whole organism level, especially on behavior. Indeed, fish swimming activity and sociability were affected in a dose- and time-dependent manner. These results suggest that immune challenges have dose-dependent effects across levels of biological organization and that behavior is a key response trait to cope with pathogen-induced immune costs in the wild, although fitness consequences remain to be tested.
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Affiliation(s)
- Quentin Petitjean
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, UPS, Toulouse, France
| | - Lisa Jacquin
- Laboratoire Evolution et Diversité Biologique, UMR5174 EDB, Université de Toulouse, CNRS, IRD, UPS, Toulouse, France
| | | | - Annie Perrault
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Myriam Cousseau
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Pascal Laffaille
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
| | - Séverine Jean
- Laboratoire Ecologie Fonctionnelle et Environnement, UMR5245, Université de Toulouse, CNRS, INPT, UPS, Toulouse, France
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22
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Yan S, Liang M, Chen R, Hong X, Zha J. Reproductive toxicity and estrogen activity in Japanese medaka (Oryzias latipes) exposed to environmentally relevant concentrations of octocrylene. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 261:114104. [PMID: 32045793 DOI: 10.1016/j.envpol.2020.114104] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 01/14/2020] [Accepted: 01/29/2020] [Indexed: 06/10/2023]
Abstract
The growing use of octocrylene (OC) in sunscreens has posed a great threat to aquatic organisms. In the present study, to assess its reproductive toxicity and mechanism, paired Japanese medaka (Oryzias latipes) (F0) were exposed to OC at nominal concentrations of 5, 50, and 500 μg/L for 28 d. Significant increases were observed in the gonadosomatic index (GSI) and hepatosomatic index (HSI) of F0 medaka at 500 μg/L OC (p < 0.05) without significant differences in fecundity. The fertility was significantly decreased at all treatments (p < 0.05). Significant increases in the percent of mature oocytes were observed at 5 and 500 μg/L OC, in which contrary to the percent of spermatozoa (p < 0.05). The plasma sex hormones and vitellogenin levels significantly increased in males at all treatments and in females at 50 and 500 μg/L OC (p < 0.05). In addition, the levels of fshβ and lhβ in the brains and the levels of fshr, lhr and cyp17α in the gonads were significantly upregulated in males at all treatments (p < 0.05), in line with those of ar, erα, erβ and cyp19β in the brains of male and female. The upregulation of vtg in male and female livers was observed only at 500 μg/L OC and upregulation of star and hsd3β was observed in testis at all treatments (p < 0.05). Continued exposure to OC significantly induced increases in the time to hatching, morphological abnormality rates, and cumulative death rates of F1 embryos, inconsistent with body length of F1 larvae (p < 0.05). Therefore, the responses of the exposed fish at the biochemical and molecular levels indicated reproductive toxicity and estrogenic activity of OC, providing insights into the mechanism of OC.
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Affiliation(s)
- Saihong Yan
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; Beijing Key Laboratory of Industrial Wastewater Treatment and Reuse, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100085, China
| | - Mengmeng Liang
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; Beijing Key Laboratory of Industrial Wastewater Treatment and Reuse, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100085, China
| | - Rui Chen
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; Beijing Key Laboratory of Industrial Wastewater Treatment and Reuse, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100085, China
| | - Xiangsheng Hong
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; Beijing Key Laboratory of Industrial Wastewater Treatment and Reuse, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100085, China
| | - Jinmiao Zha
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; Beijing Key Laboratory of Industrial Wastewater Treatment and Reuse, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China.
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23
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Wang N, Jiang M, Zhang P, Shu H, Li Y, Guo Z, Li Y. Amelioration of Cd-induced bioaccumulation, oxidative stress and intestinal microbiota by Bacillus cereus in Carassius auratus gibelio. CHEMOSPHERE 2020; 245:125613. [PMID: 31864061 DOI: 10.1016/j.chemosphere.2019.125613] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Revised: 12/06/2019] [Accepted: 12/09/2019] [Indexed: 06/10/2023]
Abstract
The heavy metal cadmium (Cd) is a hazardous pollutant known to exert various toxic effects and other sublethal to lethal effects on aquatic organisms, and can be commonly found in environment. The genus Bacillus was one of dominant probiotics, which was commonly used in aquaculture. The aim of this study was to evaluate the effects of dietary administration of Bacillus cereus (B. cereus) on bioaccumulation, oxidative stress and intestinal microbiota of Carassius auratus gibelio (C. gibelio) after Cd exposure. Fish were exposed for 4 weeks to waterborne Cd at 0, 1 and 2 mg/L and/or dietary B. cereus at 108 cfu/g. At 2 and 4 weeks, the fish were sampled and bioaccumulation, antioxidant activity and intestinal microbiota were assessed. Waterborne Cd exposure caused marked alterations in the composition of the microbiota. Dietary supplementation with B. cereus can reverse the changes in the composition of intestinal microbiota in Cd exposure and increase the abundance of Bacteroides, Akkermansia, Cetobacterium in the 0 and 1 mg/L Cd. The results obtained indicate that B. cereus can provide a significant protective effect on the toxicity of cadmium by inhibiting alterations in the levels of bioaccumulation and antioxidant enzyme including Superoxide dismutase (SOD), catalase (CAT), total antioxidant (T-AOC), glutathione (GSH), malonaldehyde (MDA) and Glutathione-S-transferase (GST). The present findings imply that dietary supplement of B. cereus can effectively protect C.gibelio to combat cadmium toxicity.
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Affiliation(s)
- Nan Wang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China; Ministry of Education Laboratory of Animal Production and Quality Security, Jilin Agricultural University, Changchun, 130118, China
| | - Miao Jiang
- Biomaker Technologies Corporation, Beijing, China
| | - Peijun Zhang
- Health Monitoring and Inspection Center of Jilin Province, Changchun, 130062, China
| | - Hong Shu
- Changchun Infectious Disease Hospital, Jilin Province, 130000, China
| | - Yueru Li
- Agricultural and Rural Ministry of Ginseng Product Quality Supervision, Inspection and Testing Center, Jilin Agricultural University, Changchun, 130118, China
| | - Zhengyao Guo
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China; Ministry of Education Laboratory of Animal Production and Quality Security, Jilin Agricultural University, Changchun, 130118, China
| | - Yuehong Li
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China; Ministry of Education Laboratory of Animal Production and Quality Security, Jilin Agricultural University, Changchun, 130118, China.
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24
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Ruiz CE, Manuguerra S, Curcuraci E, Santulli A, Messina CM. Carbamazepine, cadmium chloride and polybrominated diphenyl ether-47, synergistically modulate the expression of antioxidants and cell cycle biomarkers, in the marine fish cell line SAF-1. MARINE ENVIRONMENTAL RESEARCH 2020; 154:104844. [PMID: 31784109 DOI: 10.1016/j.marenvres.2019.104844] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 11/08/2019] [Accepted: 11/20/2019] [Indexed: 06/10/2023]
Abstract
A wide range of contaminants, industrial by-products, plastics, and pharmaceutics belonging to various categories, have been found in sea water. Although these compounds are detected at concentrations that might be considered as sub-lethal, under certain conditions they could act synergistically producing unexpected effects in term of toxicity or perturbation of biochemical markers leading to standard pathway. In this study, the Sparus aurata fibroblast cell line SAF-1, was exposed to increasing concentrations of carbamazepine (CBZ), polybrominated diphenyl ether 47 (BDE-47) and cadmium chloride (CdCl2) until 72 h, to evaluate the cytotoxicity and the expression of genes related to antioxidant defense, cell cycle and energetic balance. In general, both vitality and gene expression were affected by the exposure to the different toxicants, in terms of antioxidant defense and cell cycle control, showing the most significant effects in cells exposed to the mixture of the three compounds, respect to the single compounds separately. The synergic effect of the compounds on the analyzed biomarkers, underlie the potential negative impact of the contaminants on health of marine organisms.
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Affiliation(s)
- Cristobal Espinosa Ruiz
- University of Palermo, Dept. of Earth and Sea Science DISTEM, Laboratory of Marine Biochemistry and Ecotoxicology, Via Barlotta 4, 91100, Trapani, Italy
| | - Simona Manuguerra
- University of Palermo, Dept. of Earth and Sea Science DISTEM, Laboratory of Marine Biochemistry and Ecotoxicology, Via Barlotta 4, 91100, Trapani, Italy
| | - Eleonora Curcuraci
- University of Palermo, Dept. of Earth and Sea Science DISTEM, Laboratory of Marine Biochemistry and Ecotoxicology, Via Barlotta 4, 91100, Trapani, Italy
| | - Andrea Santulli
- University of Palermo, Dept. of Earth and Sea Science DISTEM, Laboratory of Marine Biochemistry and Ecotoxicology, Via Barlotta 4, 91100, Trapani, Italy; Consorzio Universitario della Provincia di Trapani, Marine Biology Institute, Via Barlotta 4, 91100, Trapani, Italy
| | - Concetta M Messina
- University of Palermo, Dept. of Earth and Sea Science DISTEM, Laboratory of Marine Biochemistry and Ecotoxicology, Via Barlotta 4, 91100, Trapani, Italy.
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25
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Abdel-Warith AWA, Younis ESM, Al-Asgah NA, Rady AM, Allam HY. Bioaccumulation of lead nitrate in tissues and its effects on hematological and biochemical parameters of Clarias gariepinus. Saudi J Biol Sci 2020; 27:840-845. [PMID: 32127760 PMCID: PMC7042615 DOI: 10.1016/j.sjbs.2020.01.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/07/2020] [Accepted: 01/07/2020] [Indexed: 11/19/2022] Open
Abstract
Clarias gariepinus, weighing 119.18 ± 5.21 g, were exposed to 0%, 20%, 40%, and 60% of the LC50 lead nitrate, Pb(NO3)2, which represents the following treatments 0 (control), 16, 32, and 48 mg/l, respectively, for a period of 10 and 20 days. The results showed that the bioaccumulation of Pb(NO3)2 in gills were significantly increased (p < 0.05) after 10 days having 0.17 ± 0.07, 5.05 ± 1.04, 6.01 ± 0.82, and 9.61 ± 1.76 mg/100 g wet weight, respectively, for the treatments. However, after 20 days these values increased ((0.17 ± 0.07, 4.34 ± 1.27, 10.83 ± 0.97, and 19.18 ± 2.40 mg/100 g) for 0%, 20%, 40%, and 60% of LC50 Pb(NO3)2 respectively. There was an increase with each increasing concentration level of Pb(NO3)2 as compared with that of the control group. The accumulation of Pb(NO3)2 in the liver, showed a significant increase (p < 0.05) with the increasing period of exposed and Pb concentration with LC50 values ranging between 3.32 ± 0.91 and 4.42 ± 0.78 after 10 days as compared with that of the control group 0.08 ± 0.02 mg/100 g wet weight. Although white muscles and skin displayed lower values of bioaccumulation than gills and liver after 10 days, after 20 days the results were slightly more increased in the white muscles than in the skin. However, the observed pattern of increase was the same compared to that of the control group. Therefore, hematological parameters, such as red blood cells (RBCs), hemoglobin (Hb), and hematocrit (Hct) showed significant (p < 0.05) concentration-dependent decreases in fish exposed to Pb(NO3)2 during both periods. However, the values of white blood cells (WBCs) showed a significant reduction when levels of Pb concentration increased. Hepatic enzyme activities of aspartate aminotransferase (AST) and alanine aminotransferase (ALT) displayed a significant increase with increasing concentrations and exposure time.
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Affiliation(s)
- Abdel-Wahab A. Abdel-Warith
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
- Department of Animal Production, Faculty of Agriculture, Al-Azhar University, Nasr City, Cairo, Egypt
- Corresponding author at: Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia.
| | - El-Sayed M.I. Younis
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Nasser A. Al-Asgah
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Ahmed M. Rady
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Hasan Y. Allam
- Department of Animal Production, Faculty of Agriculture, Al-Azhar University, Nasr City, Cairo, Egypt
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26
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Hossein-Khannazer N, Azizi G, Eslami S, Alhassan Mohammed H, Fayyaz F, Hosseinzadeh R, Usman AB, Kamali AN, Mohammadi H, Jadidi-Niaragh F, Dehghanifard E, Noorisepehr M. The effects of cadmium exposure in the induction of inflammation. Immunopharmacol Immunotoxicol 2019; 42:1-8. [PMID: 31793820 DOI: 10.1080/08923973.2019.1697284] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Inflammation is a physiological process essential for maintaining homeostatic mechanisms in human, but however, exaggerated inflammatory responses are closely related to many chronic diseases. Cadmium (Cd) is a heavy metal with high toxicity when present in food, water and air has the potential of eliciting inflammatory reactions, with a major health risk to human. This review aimed to elucidate on the major routes of Cd exposure, the main organs affected by the exposure, the degree of toxicity as well as the roles of the toxic effects on the immune system which results to inflammatory responses. Immune modulation by Cd may cause serious adverse health effects in humans. Various studies have highlighted the ability of Cd as an environmental pollutant involved in the modulation of the innate, adaptive and mucosal immune responses in relations to the release of chemokine, gene expression, and susceptibility to microbial infections.
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Affiliation(s)
- Nikoo Hossein-Khannazer
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehan, Iran
| | - Gholamreza Azizi
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Solat Eslami
- Dietary Supplements and Probiotic Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Hussaini Alhassan Mohammed
- Department of Immunology, Faculty of Medical Laboratory Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria
| | - Farimah Fayyaz
- Student Research Committee, Alborz University of Medical Sciences, Karaj, Iran
| | - Ramin Hosseinzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abubakar B Usman
- Department of Immunology, Faculty of Medical Laboratory Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria
| | - Ali N Kamali
- CinnaGen Medical Biotechnology Research Center, Alborz University of Medical Sciences, Karaj, Iran.,CinnaGen Research and Production Co., Alborz, Iran
| | - Hamed Mohammadi
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran.,Department of Immunology, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | | | - Emad Dehghanifard
- Department of Environmental Health Engineering, School of Public Health, Alborz University of Medical Sciences, Karaj, Iran.,Research Center for Health, Safety and Environment (RCHSE), Alborz University of Medical Sciences, Karaj, Iran
| | - Mohammad Noorisepehr
- Department of Environmental Health Engineering, School of Public Health, Alborz University of Medical Sciences, Karaj, Iran.,Research Center for Health, Safety and Environment (RCHSE), Alborz University of Medical Sciences, Karaj, Iran
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27
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Picard-Sánchez A, Estensoro I, Del Pozo R, Piazzon MC, Palenzuela O, Sitjà-Bobadilla A. Acquired protective immune response in a fish-myxozoan model encompasses specific antibodies and inflammation resolution. FISH & SHELLFISH IMMUNOLOGY 2019; 90:349-362. [PMID: 31067499 DOI: 10.1016/j.fsi.2019.04.300] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/24/2019] [Accepted: 04/27/2019] [Indexed: 06/09/2023]
Abstract
The myxozoan parasite Enteromyxum leei causes chronic enteritis in gilthead sea bream (GSB, Sparus aurata) leading to intestinal dysfunction. Two trials were performed in which GSB that had survived a previous infection with E. leei (SUR), and naïve GSB (NAI), were exposed to water effluent containing parasite stages. Humoral factors (total IgM and IgT, specific anti-E. leei IgM, total serum peroxidases), histopathology and gene expression were analysed. Results showed that SUR maintained high levels of specific anti-E. leei IgM (up to 16 months), expressed high levels of immunoglobulins at the intestinal mucosa, particularly the soluble forms, and were resistant to re-infection. Their acquired-type response was complemented by other immune effectors locally and systemically, like cell cytotoxicity (high granzyme A expression), complement activity (high c3 and fucolectin expression), and serum peroxidases. In contrast to NAI, SUR displayed a post-inflammatory phenotype in the intestine and head kidney, characteristic of inflammation resolution (low il1β, high il10 and low hsp90α expression).
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Affiliation(s)
- Amparo Picard-Sánchez
- Fish Pathology Group, Instituto de Acuicultura Torre de la Sal (IATS-CSIC), Castellón, Spain
| | - Itziar Estensoro
- Fish Pathology Group, Instituto de Acuicultura Torre de la Sal (IATS-CSIC), Castellón, Spain
| | - Raquel Del Pozo
- Fish Pathology Group, Instituto de Acuicultura Torre de la Sal (IATS-CSIC), Castellón, Spain
| | - M Carla Piazzon
- Fish Pathology Group, Instituto de Acuicultura Torre de la Sal (IATS-CSIC), Castellón, Spain
| | - Oswaldo Palenzuela
- Fish Pathology Group, Instituto de Acuicultura Torre de la Sal (IATS-CSIC), Castellón, Spain
| | - Ariadna Sitjà-Bobadilla
- Fish Pathology Group, Instituto de Acuicultura Torre de la Sal (IATS-CSIC), Castellón, Spain.
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Do JW, Saravanan M, Nam SE, Lim HJ, Rhee JS. Waterborne manganese modulates immunity, biochemical, and antioxidant parameters in the blood of red seabream and black rockfish. FISH & SHELLFISH IMMUNOLOGY 2019; 88:546-555. [PMID: 30890429 DOI: 10.1016/j.fsi.2019.03.020] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Revised: 03/04/2019] [Accepted: 03/08/2019] [Indexed: 06/09/2023]
Abstract
Immunotoxic effects of manganese (Mn) were investigated in the blood of the economically important marine fish, red seabream (Pagrus major) and black rockfish (Sebastes schlegelii) when exposed to different concentrations of Mn (0, 0.5, 1, and 2 mg L-1) for 14 days. During exposure, the levels of alternative complement activity in both fish were significantly lowered at 2 mg L-1 of Mn of exposure. Lysozyme activity was significantly decreased in black rockfish in all concentrations of Mn after 14 days, while in red seabream, the decrease was significant with concentrations of 1 and 2 mg L-1 of Mn after 7 and 14 days of exposure. A significantly low level was observed only in the 2 mg L-1-exposed red seabream on day 14 of exposure. The concentrations of hemoglobin, red blood cells, white blood cells, and total serum proteins were significantly decreased in both fish under exposure to 1 and 2 mg L-1 of Mn, while cortisol, alanine transferase, aspartate transaminase, and alkaline phosphatase levels were significantly increased compared to the levels of control groups. No significant change was found in serum glucose and albumin except in red seabream exposed to 2 mg L-1 of Mn for 14 days. The responses of the antioxidant defense system were significantly induced in both fish after exposure to 1 and 2 mg L-1 of Mn on day 7 and 14 of exposure. Taken together, alterations of these parameters suggest the immunotoxicity of waterborne Mn produced by the modulation of hematological components and the induction of oxidative stress in the blood of these marine fish.
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Affiliation(s)
- Jeong Wan Do
- Aquaculture Research Division, National Institute of Fisheries Science, Busan, 46083, South Korea
| | - Manoharan Saravanan
- Department of Marine Science, College of Natural Sciences, Incheon National University, Incheon, 22012, South Korea; Research Institute of Basic Sciences, Incheon National University, Incheon, 22012, South Korea
| | - Sang-Eun Nam
- Department of Marine Science, College of Natural Sciences, Incheon National University, Incheon, 22012, South Korea
| | - Hyun-Jeong Lim
- Aquaculture Industry Research Division, East Sea Fisheries Research Institute, Gangneung, 25435, South Korea
| | - Jae-Sung Rhee
- Department of Marine Science, College of Natural Sciences, Incheon National University, Incheon, 22012, South Korea; Research Institute of Basic Sciences, Incheon National University, Incheon, 22012, South Korea; Institute of Green Environmental Research Center, 169 Gaetbeol-ro, Yeonsugu, Incheon, 21999, South Korea.
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29
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Rodrigues S, Antunes SC, Nunes B, Correia AT. Histopathological effects in gills and liver of Sparus aurata following acute and chronic exposures to erythromycin and oxytetracycline. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:15481-15495. [PMID: 30937749 DOI: 10.1007/s11356-019-04954-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 03/21/2019] [Indexed: 05/17/2023]
Abstract
Due to their worldwide use and environmental persistence, antibiotics are frequently detected in various aquatic compartments. Their toxic properties raise environmental concerns to non-target organisms. Histopathology data is frequently applied in ecotoxicology studies to assess the effects of different classes of environmental stressors in fish, including antibiotics. Tissue alterations in gills and liver of gilthead seabream (Sparus aurata) individuals acutely (96 h) and chronically (28 days) exposed to environmentally relevant concentrations of the antibiotics erythromycin (ERY: 0.0002-200 μg/L) and oxytetracycline (OTC: 0.0004-400 μg/L), including a control non-exposed group, were evaluated. Several disorders (circulatory, regressive, progressive, and inflammatory) were observed in both organs of all exposed animals. The hereby obtained data showed a higher and significant increase in gill histopathological index of organisms acutely exposed to ERY and of those chronically exposed to OTC. In terms of categorical lesions, only a significant increase of regressive and progressive alterations occurred in gills after chronic exposure to OTC. For the liver, a significant increase in pathological index was also detected, as well as regressive changes, after chronic exposure to OTC. Furthermore, the present study indicates that most of the changes observed in gills and liver were of mild to moderate severity, which might be adaptive or protective, non-specific, and mostly reversible. Despite being observed, irreversible lesions were not significant in any of the fish organs analyzed. Although there were histological changes, gill apparatus was considered still functionally normal, as well as liver tissue, not supporting the occurrence of severe toxicity. In general, the observed histological changes were not stressor-specific, and toxicological mechanistic explanations for the alterations observed in gills and liver are presented. The obtained data showed that histopathological biomarkers can be successfully applied in ecotoxicological studies, evidencing their relevance, responsivity, and complementarity to other biochemical biomarker-based approaches.
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Affiliation(s)
- Sara Rodrigues
- Departamento de Biologia da Faculdade de Ciências da Universidade do Porto (FCUP), Rua do Campo Alegre S/N, 4169-007, Porto, Portugal
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos S/N, 4450-208, Matosinhos, Portugal
| | - Sara C Antunes
- Departamento de Biologia da Faculdade de Ciências da Universidade do Porto (FCUP), Rua do Campo Alegre S/N, 4169-007, Porto, Portugal
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos S/N, 4450-208, Matosinhos, Portugal
| | - Bruno Nunes
- Centro de Estudos do Ambiente e do Mar (CESAM), Campus de Santiago, Universidade de Aveiro, 3810-193, Aveiro, Portugal
- Departamento de Biologia da Universidade de Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal
| | - Alberto Teodorico Correia
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Terminal de Cruzeiros do Porto de Leixões, Avenida General Norton de Matos S/N, 4450-208, Matosinhos, Portugal.
- Faculdade de Ciências da Saúde da Universidade Fernando Pessoa (FCS-UFP), Rua Carlos da Maia, 296, 4200-150, Porto, Portugal.
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Ospina‐Pérez EM, Campeón‐Morales OI, Richardi VS, Rivera‐Páez FA. Histological description of immature
Chironomus columbiensis
(Diptera: Chironomidae): A potential contribution to environmental monitoring. Microsc Res Tech 2019; 82:1277-1289. [DOI: 10.1002/jemt.23278] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 03/12/2019] [Accepted: 04/03/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Erika M. Ospina‐Pérez
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y NaturalesUniversidad de Caldas Caldas Colombia
| | - Oscar I. Campeón‐Morales
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y NaturalesUniversidad de Caldas Caldas Colombia
| | - Vinicius S. Richardi
- Laboratório de Morfologia e Fisiologia de Culicidae e Chironomidae, Departamento de ZoologiaUniversidade Federal do Paraná – UFPR Curitiba Paraná Brazil
| | - Fredy A. Rivera‐Páez
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y NaturalesUniversidad de Caldas Caldas Colombia
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31
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Liu J, Pang JJ, Tu ZC, Wang H, Sha XM, Shao YH, Liu GX. The accumulation, histopathology, and intestinal microorganism effects of waterborne cadmium on Carassius auratus gibelio. FISH PHYSIOLOGY AND BIOCHEMISTRY 2019; 45:231-243. [PMID: 30387032 DOI: 10.1007/s10695-018-0557-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 08/14/2018] [Indexed: 06/08/2023]
Abstract
Cadmium (Cd) is known to be a potentially toxic heavy metals to the fish health and growth. Carassius auratus gibelio (C. a. gibelio) specimens were exposed to waterborne Cd (0, 0.05, 0.10, 0.15, and 0.20 mg/L CdCl2) for 14 days. Cd accumulation, liver and intestine histopathology, and intestinal microorganism were investigated in the present study. The results indicated that Cd accumulation in the gill, liver, intestine, and muscle gradually decreased as Cd concentration increased. The gill accumulated higher amounts of Cd than other tissues. The histopathology of liver and intestine underwent changes with different Cd concentrations, including hepatocyte hypertrophy, aggregation of blood cells, sinusoids, lipidosis, necrosis of hepatic tissues, the erosion of villi, necrosis in the mucosal layer, the appearance of vacuoles in the lamina propria, hyperplasia, and swelling of goblet cells. Moreover, the core gut microbiota existed in the intestinal microorganism and did not change as Cd concentration increased. However, the diversity of intestinal microorganism was significantly reduced compared with that of the control sample. The present results indicated that C. a. gibelio exposed to Cd suffered toxicity, and Cd could affect the biodiversity of the intestinal microbiota of C. a. gibelio.
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Affiliation(s)
- Jun Liu
- College of Life Science, Jiangxi Normal University, Nanchang, 330022, Jiangxi, China
| | - Juan-Juan Pang
- College of Life Science, Jiangxi Normal University, Nanchang, 330022, Jiangxi, China
| | - Zong-Cai Tu
- College of Life Science, Jiangxi Normal University, Nanchang, 330022, Jiangxi, China.
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, Jiangxi, China.
| | - Hui Wang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, Jiangxi, China
| | - Xiao-Mei Sha
- College of Life Science, Jiangxi Normal University, Nanchang, 330022, Jiangxi, China.
| | - Yan-Hong Shao
- College of Life Science, Jiangxi Normal University, Nanchang, 330022, Jiangxi, China
| | - Guang-Xian Liu
- College of Life Science, Jiangxi Normal University, Nanchang, 330022, Jiangxi, China
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32
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Guo SN, Zheng JL, Yuan SS, Zhu QL. Effects of heat and cadmium exposure on stress-related responses in the liver of female zebrafish: Heat increases cadmium toxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 618:1363-1370. [PMID: 29042086 DOI: 10.1016/j.scitotenv.2017.09.264] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 08/15/2017] [Accepted: 09/24/2017] [Indexed: 06/07/2023]
Abstract
In this study, female zebrafish (Danio rerio) were exposed to 26°C or 34°C, 0 or 197μg/L cadmium (Cd), singly or in combination for 7days. Multiple stress-related indicators were evaluated in the liver. Mortality, lipid peroxidation (LPO) and ultrastructural damage increased significantly by Cd exposure alone, and were not affected by heat alone. Interestingly, the combined exposure increased LPO, ultrastructural damage, and mortality compared with Cd exposure alone. The results indicated that elevated temperature increased Cd toxicity, which could be explained by several reasons. Firstly, Cd-exposed fish failed to activate the antioxidant defense system under heat stress. Secondly, expression levels of heat shock protein 70 (HSP70) were not significantly up-regulated by heat in Cd-exposed fish but increased by 117 times in Cd-free fish. Besides, hypermethylation of heat shock factor (HSF) binding motif in HSP70 promoter was observed during the combined exposure, indicating that simultaneous exposure may have partially suppressed the cytoprotective up-regulation of HSP70. Thirdly, heat induced an immunosuppressive effect in Cd-exposed fish, as reflected by the reduced mRNA and activity levels of nitric oxide synthase (iNOS) and interleukin-1β (IL-1β) expression levels. Finally, heat down-regulated Zir-, Irt-like protein 8 (ZIP8) and copper transporter 1 (CTR1) and up-regulated metallothioneins (MTs) in Cd-exposed fish, possibly suggesting Cu and Zn depletion and Cd accumulation. Hence, our data provide evidences that warmer temperatures can potentiate Cd toxicity, involved in the regulation of gene transcription, enzymatic activity, and DNA methylation. We found that heat indicators showed varied sensitivity between normal and Cd-exposed fish, emphasizing that the field metal pollution should be carefully considered when evaluating effects of climate change.
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Affiliation(s)
- Sai-Nan Guo
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, Zhoushan 316022, PR China
| | - Jia-Lang Zheng
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, Zhoushan 316022, PR China.
| | - Shuang-Shuang Yuan
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, Zhoushan 316022, PR China
| | - Qing-Ling Zhu
- Postgraduate Work Department, Zhejiang Ocean University, Zhoushan 316022, PR China
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33
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Comparison of Toxic Metal Distribution Characteristics and Health Risk between Cultured and Wild Fish Captured from Honghu City, China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15020334. [PMID: 29443869 PMCID: PMC5858403 DOI: 10.3390/ijerph15020334] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 02/04/2018] [Accepted: 02/05/2018] [Indexed: 01/06/2023]
Abstract
Honghu Lake, which listed in the “Ramsar Convention”, is the seventh largest freshwater lake in China and is regarded as one of the biggest freshwater product output areas in China. The toxic element distribution in cultured and wild fish and the corresponding health risks through fish consumption from Honghu area were investigated. The mean concentration in the muscle of cultured and wild fish (Carassius auratus and Ctenopharyngodon idellus) decreased in the order: Zn (18.94) > Cu (0.8489) > Cr (0.2840) > Pb (0.2052) and Zn (16.30) > Cr (1.947) > Cu (0.4166) > Pb (0.0525) > Cd (0.0060) (mean; mg/kg, wet weight). Scales (Multi factor pollution index (MPI) = 3.342) and the liver (MPI = 1.276) were regarded as the main accumulation tissues for cultured fish, and the bladder (MPI = 0.640) and intestine (MPI = 0.477) were regarded as the main accumulation tissues for wild fish. There were no obvious health risks associated with the consumption of cultured and wild fish based on the calculated results of the target hazard quotient (THQ), carcinogenic risk (CR), and estimated weekly intake (EWI). Pb and Cr were recognized as the major health risk contributors for inhabitants through wild and cultured fish consumption. Cultured fish had a greater health risk than wild fish based on the calculation results of THQ and CR. Muscle consumption resulted in more health risks than mixed edible tissues for cultured fish, but for wild fish, the conclusion was the opposite. Mixed fish (cultured:wild = 1:1) muscle consumption had relatively lower risks than the consumption of cultured or wild fish muscle separately. Consuming no more than 465 g/day (wet wt) of cultured fish muscle, 68 g/day (wet wt) of wild fish muscle, 452 g/day (wet wt) of mixed cultured fish edible tissues or 186 g/day (wet wt) of mixed wild fish edible tissues from the Honghu area can assure human health.
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34
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Avallone B, Cerciello R, Cretì P, Pizzoleo C, Scudiero R, Tizzano M, Panzuto R, Simoniello P, Montinari MR, Motta CM. Long term exposure to cadmium: Pathological effects on kidney tubules cells in Sparus aurata juveniles. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 193:201-209. [PMID: 29096093 DOI: 10.1016/j.aquatox.2017.10.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 10/26/2017] [Accepted: 10/27/2017] [Indexed: 06/07/2023]
Abstract
The effects of an exposure to cadmium chloride 0.47μM for 150days were studied in kidneys of juveniles Sparus aurata by a multidisciplinary approach so to correlate uptake and detoxification potential to changes in brush border and glycocalyx sugar composition. Results demonstrated that cadmium concentration in kidney significantly increased from day 30 reaching a plateau on day 120 while metallothioneins reached a peak on day 90 and by day 120 were already decreasing to control values. Cytological damage was extensive on day 90, clearly detectable at both structural and ultrastructural levels, in tubular cells and brush-border. Staining with a panel of four lectins revealed a significant increase in N-Ac-Gal and a decrease in mannose in the glycocalyx and the tubular basal membranes. From day 120, when cadmium concentration was high and metallothionein concentration decreasing, a clear recovery was observed in tubular cells morphology and sugar composition. Possible significance of these apparently contrasting data are discussed.
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Affiliation(s)
- Bice Avallone
- Department of Biology, University of Naples Federico II, Naples, 80134, Italy
| | - Raimondo Cerciello
- Department of Biology, University of Naples Federico II, Naples, 80134, Italy
| | - Patrizia Cretì
- Department of Biological and Environmental Sciences and Technologies, University of Salento, Lecce, Italy
| | - Carmela Pizzoleo
- Department of Biology, University of Naples Federico II, Naples, 80134, Italy
| | - Rosaria Scudiero
- Department of Biology, University of Naples Federico II, Naples, 80134, Italy
| | - Monica Tizzano
- Department of Biology, University of Naples Federico II, Naples, 80134, Italy
| | - Raffaele Panzuto
- Department of Biology, University of Naples Federico II, Naples, 80134, Italy
| | - Palma Simoniello
- Department of Sciences and Technologies, University of Naples Parthenope, Naples, Italy
| | - Maria Rosa Montinari
- Department of Biological and Environmental Sciences and Technologies, University of Salento, Lecce, Italy
| | - Chiara M Motta
- Department of Biology, University of Naples Federico II, Naples, 80134, Italy.
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Renieri EA, Sfakianakis DG, Alegakis AA, Safenkova IV, Buha A, Matović V, Tzardi M, Dzantiev BB, Divanach P, Kentouri M, Tsatsakis AM. Nonlinear responses to waterborne cadmium exposure in zebrafish. An in vivo study. ENVIRONMENTAL RESEARCH 2017; 157:173-181. [PMID: 28570961 DOI: 10.1016/j.envres.2017.05.021] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 05/09/2017] [Accepted: 05/18/2017] [Indexed: 06/07/2023]
Abstract
Cadmium (Cd) has proved to be associated with numerous toxic effects in aquatic organisms via waterborne exposure. With a view to investigate Cd toxicity along a broad spectrum of exposures reaching from environmental to toxic, we employed adult zebrafish (Danio rerio) for an in vivo study. A number of 10 fish per tank were placed in 40L tanks and were exposed for 30 days to 0.0, 5.0, 25, 50, 75, 100 and 1000μgCd per liter. There were 2 tanks for each Cd exposure (duplicate experiment). Mortality was recorded daily, dead fish were collected and tissue samples were obtained for histologic observation, whereas remaining tissues were stored for Cd burden determination. Surviving fish were collected at the end of the experiment. Median overall survival (OS) in days was found to be 9.0, 11.0, 8.0 and 7.0 for 25μg/L, 50μg/L, 75μg/L and 100μg/L respectively, with all of them showing mortality greater than 50%. Remarkably, fish exposed to the highest Cd concentration (1000μg/L) survived the longest exhibiting a mean OS of 29.2 days. Cd determination in fish tissue was conducted with an in house ICP-MS method and levels ranged from 3.1 to 29.1ng/mg. Log Cd tissue levels were significantly correlated with the log Cd exposure levels (r = 0.535, p < 0.001). The highest Cd burden was determined for fish exposed to 1000μgCd /L (mean = 12.2ng/mg). Histopathology supported these results. Our findings disclose a deviation in toxic responses through the range of Cd concentrations, leading to nonlinear responses. These differentiated responses, could be linked to hormesis phenomena.
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Affiliation(s)
- Elisavet A Renieri
- Laboratory of Toxicology, University of Crete, Medical School, Crete, Greece
| | | | | | - Irina V Safenkova
- A.N. Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow, Russia
| | - Aleksandra Buha
- Department of Toxicology "Akademik Danilo Soldatovic", University of Belgrade-Faculty of Pharmacy, Belgrade, Serbia
| | - Vesna Matović
- Department of Toxicology "Akademik Danilo Soldatovic", University of Belgrade-Faculty of Pharmacy, Belgrade, Serbia
| | - Maria Tzardi
- Laboratory of Pathology, University General Hospital, Heraklion, Crete, Greece
| | - Boris B Dzantiev
- A.N. Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow, Russia
| | - Pascal Divanach
- Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Center for Marine Research, Iraklion, Crete, Greece
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36
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Guo SN, Zheng JL, Yuan SS, Zhu QL, Wu CW. Immunosuppressive effects and associated compensatory responses in zebrafish after full life-cycle exposure to environmentally relevant concentrations of cadmium. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 188:64-71. [PMID: 28458151 DOI: 10.1016/j.aquatox.2017.04.014] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 04/17/2017] [Accepted: 04/19/2017] [Indexed: 06/07/2023]
Abstract
In natural environments, fish survive in polluted water by cadmium (Cd) throughout their whole life cycle. However, little information is available on Cd toxicity considering a life cycle assessment. The present study investigated effects of environmental levels of cadmium (0, 2.5, and 5μg/L) on immune responses in liver and spleen of zebrafish for 15 weeks, from embryos to sexually maturity. Nitric oxide (NO) levels and iNOS activity declined in liver and spleen of zebrafish exposed to 5μg/L Cd, suggesting an immunosuppressive effect. The result was further supported by the decreased transcriptional levels of proinflammatory cytokines by Cd, such as interleukin-6 (IL-6), interleukin-10 (IL-10), interleukin-1β (IL-1β), and tumour necrosis factor-α (TNF-α) in liver. However, a sharp increase in the mRNA levels of these cytokines was observed in spleen of zebrafish exposed to Cd. The increased mRNA expression of these proinflammatory cytokines may be the secondary effect following immunosuppression and just reflect a compensatory mechanism for coping with the decreased immunity, which may explain an increase in mRNA levels and a decrease in iNOS activity in spleen of zebrafish exposed to Cd. In liver, the down-regulated mRNA levels of iNOS paralleled with the decreased iNOS activity, suggesting a synchronous response from a molecular level to a biochemical level. Positive correlations between mRNA expression levels of nuclear transcription factor κB (NF-κB) and proinflammatory cytokines were also observed, suggesting that NF-κB might be required for the protracted induction of inflammatory genes. The corresponding changes in the mRNA levels of the inhibitor of κBα (IκBαa and IκBαb) may form a feedback loop to restore transcriptional activity of NF-κB. Furthermore, splenic ROS levels were increased by 5μg/L Cd, possibly activating NF-κB pathway. Taken together, immunosuppressive effects and tissue-dependent compensatory responses were demonstrated in zebrafish after full life-cycle exposure to environmental levels of Cd, indicating a compromise between survival and immunity.
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Affiliation(s)
- Sai-Nan Guo
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, Zhoushan 316022, PR China
| | - Jia-Lang Zheng
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, Zhoushan 316022, PR China.
| | - Shuang-Shuang Yuan
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, Zhoushan 316022, PR China
| | - Qing-Ling Zhu
- Postgraduate Work Department, Zhejiang Ocean University, Zhoushan 316022, PR China
| | - Chang-Wen Wu
- National Engineering Research Center of Marine Facilities Aquaculture, Zhejiang Ocean University, Zhoushan 316022, PR China
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37
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Rehberger K, Werner I, Hitzfeld B, Segner H, Baumann L. 20 Years of fish immunotoxicology - what we know and where we are. Crit Rev Toxicol 2017; 47:509-535. [PMID: 28425344 DOI: 10.1080/10408444.2017.1288024] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Despite frequent field observations of impaired immune response and increased disease incidence in contaminant-exposed wildlife populations, immunotoxic effects are rarely considered in ecotoxicological risk assessment. The aim of this study was to review the literature on immunotoxic effects of chemicals in fish to quantitatively evaluate (i) which experimental approaches were used to assess immunotoxic effects, (ii) whether immune markers exist to screen for potential immunotoxic activities of chemicals, and (iii) how predictive those parameters are for adverse alterations of fish immunocompetence and disease resistance. A total of 241 publications on fish immunotoxicity were quantitatively analyzed. The main conclusions included: (i) To date, fish immunotoxicology focused mainly on innate immune responses and immunosuppressive effects. (ii) In numerous studies, the experimental conditions are poorly documented, as for instance age or sex of the fish or the rationale for the selected exposure conditions is often missing. (iii) Although a broad variety of parameters were used to assess immunotoxicity, the rationale for the choice of measured parameters was often not given, remaining unclear how they link to the suspected immunotoxic mode of action of the chemicals. (iv) At the current state of knowledge, it is impossible to identify a set of immune parameters that could reliably screen for immunotoxic potentials of chemicals. (v) Similarly, in fish immunotoxicology there is insufficient understanding of how and when chemical-induced modulations of molecular/cellular immune changes relate to adverse alterations of fish immunocompetence, although this would be crucial to include immunotoxicity in ecotoxicological risk assessment.
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Affiliation(s)
- Kristina Rehberger
- a Centre for Fish and Wildlife Health, Vetsuisse Faculty , University of Bern , Bern , Switzerland
| | - Inge Werner
- b Swiss Centre for Applied Ecotoxicology , Dübendorf , Switzerland
| | | | - Helmut Segner
- a Centre for Fish and Wildlife Health, Vetsuisse Faculty , University of Bern , Bern , Switzerland
| | - Lisa Baumann
- a Centre for Fish and Wildlife Health, Vetsuisse Faculty , University of Bern , Bern , Switzerland
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Zhai Q, Yu L, Li T, Zhu J, Zhang C, Zhao J, Zhang H, Chen W. Effect of dietary probiotic supplementation on intestinal microbiota and physiological conditions of Nile tilapia (Oreochromis niloticus) under waterborne cadmium exposure. Antonie Van Leeuwenhoek 2016; 110:501-513. [DOI: 10.1007/s10482-016-0819-x] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Accepted: 12/08/2016] [Indexed: 11/29/2022]
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39
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Pérez-Sirvent C, Martínez-Sánchez MJ, López SM, Del Carmen Gómez Martínez M, Guardiola FA, Esteban MÁ. Influence of waterborne arsenic on nutritive and potentially harmful elements in gilthead seabream (Sparus aurata). ENVIRONMENTAL MONITORING AND ASSESSMENT 2016; 188:620. [PMID: 27747491 DOI: 10.1007/s10661-016-5598-3] [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: 04/21/2016] [Accepted: 09/14/2016] [Indexed: 06/06/2023]
Abstract
Fish are an important source of nutrients in human nutrition. Although arsenic (As) is considered potentially carcinogenic for human being, very little is known about its toxicity in fish biology. To increase our knowledge of the effect of exposure to waterborne As on fish, gilthead seabream (Sparus aurata) were exposed to 5 μM As2O3 and the bioaccumulation of macronutrients (Ca, K, Mg, Na, P), micronutrients (Fe, Mn, Zn) and Potentially Harmful Elements (As, Cd) was determined using spectrometric techniques. All elements were determined in the muscle and liver of non-exposed fish and those exposed to As for 2, 10 or 30 days. The concentrations of K, Na, Mg, Mn and Zn (in muscle) and Fe and Mn (in liver) of control (non-exposed) fish were higher than those determined in exposed fish. Furthermore, neither As nor Cd accumulated in the edible part (muscle) of seabream and were only evident in liver after 30 days of continuous exposure to As, but both concentrations remained below legally established limits.
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Affiliation(s)
- Carmen Pérez-Sirvent
- Department of Agricultural Chemistry, Geology and Pedology, Faculty of Chemistry, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain.
| | - Maria José Martínez-Sánchez
- Department of Agricultural Chemistry, Geology and Pedology, Faculty of Chemistry, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - Salvadora Martínez López
- Department of Agricultural Chemistry, Geology and Pedology, Faculty of Chemistry, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - Maria Del Carmen Gómez Martínez
- Department of Agricultural Chemistry, Geology and Pedology, Faculty of Chemistry, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - Francisco A Guardiola
- Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - María Ángeles Esteban
- Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
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Pereira LS, Ribas JLC, Vicari T, Silva SB, Stival J, Baldan AP, Valdez Domingos FX, Grassi MT, Cestari MM, Silva de Assis HC. Effects of ecologically relevant concentrations of cadmium in a freshwater fish. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2016; 130:29-36. [PMID: 27062343 DOI: 10.1016/j.ecoenv.2016.03.046] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2015] [Revised: 03/30/2016] [Accepted: 03/30/2016] [Indexed: 06/05/2023]
Abstract
Sub-chronic effects of ecologically relevant concentrations of cadmium (Cd) were evaluated in the catfish Rhamdia quelen. The fish were exposed to Cd (0, 0.1, 1, 10 and 100μgL(-1)) for 15 days. Bioconcentration was observed in the liver of fish exposed to 10 and 100μgL(-1) of cadmium. The liver glutathione S-transferase activity decreased at 0.1 and 1μgL(-1) and increased at 100μgL(-1) and lipoperoxidation increased in all tested concentrations. Fish exposed to 0.1, 1 and 100µgL(-1) Cd presented increase in hepatic lesion index. In the kidney, the catalase activity and LPO reduced in all exposed groups. The gluthatione peroxidase, etoxiresorufin-O-deethylase activities and metallothionein increased at the highest concentration of Cd, but the level of reduced glutathione decreased. The genotoxicity was observed at 0.1 and 100μgL(-1). Neurotoxicity was not observed. The results showed that low concentrations (range of μgL(-1)) of Cd caused hepato-, nephro- and hematological alterations in this freshwater fish species.
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Affiliation(s)
- L S Pereira
- Department of Pharmacology, Federal University of Parana, Brazil
| | - J L C Ribas
- Department of Pharmacology, Federal University of Parana, Brazil
| | - T Vicari
- Department of Genetics, Federal University of Parana, Brazil
| | - S B Silva
- Department of Chemistry, Federal University of Parana, Brazil
| | - J Stival
- Department of Chemistry, Federal University of Parana, Brazil
| | - A P Baldan
- School of Agricultural Sciences and Veterinary Medicine, Pontifical Catholic University of Parana, Brazil
| | | | - M T Grassi
- Department of Chemistry, Federal University of Parana, Brazil
| | - M M Cestari
- Department of Genetics, Federal University of Parana, Brazil
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Guardiola FA, Chaves-Pozo E, Espinosa C, Romero D, Meseguer J, Cuesta A, Esteban MA. Mercury Accumulation, Structural Damages, and Antioxidant and Immune Status Changes in the Gilthead Seabream (Sparus aurata L.) Exposed to Methylmercury. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2016; 70:734-746. [PMID: 26906265 DOI: 10.1007/s00244-016-0268-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 02/06/2016] [Indexed: 06/05/2023]
Abstract
In aquatic systems, mercury (Hg) is an environmental contaminant that causes acute and chronic damage to multiple organs. In fish, practically all of the organic Hg found is in the form of methylmercury (MeHg), which has been associated with animal and human health problems. This study evaluates the impact of waterborne-exposure to sublethal concentrations of MeHg (10 μg L(-1)) in gilthead seabream (Sparus aurata). Hg was seen to accumulate in liver and muscle, and histopathological damage to skin and liver was detected. Fish exposed to MeHg showed a decreased biological antioxidant potential and increased levels of the reactive oxygen molecules compared with the values found in control fish (nonexposed). Increased liver antioxidant enzyme activities (superoxide dismutase and catalase) were detected in 2 day-exposed fish with respect to the values of control fish. However, fish exposed to MeHg for 10 days showed liver antioxidant enzyme levels similar to those of the control fish but had increased hepato-somatic index and histopathological alterations in liver and skin. Serum complement levels were higher in fish exposed to MeHg for 30 days than in control fish. Moreover, head-kidney leukocyte activities increased, although only phagocytosis and peroxidase activities showed a significant increase after 10 and 30 days, respectively. The data show that 30 days of exposure to waterborne MeHg provokes more significant changes in fish than a short-term exposure of 2 or 10 days.
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Affiliation(s)
- F A Guardiola
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - E Chaves-Pozo
- Centro Oceanográfico de Murcia, Instituto Español de Oceanografía (IEO), Carretera de la Azohía s/n, Puerto de Mazarrón, 30860, Murcia, Spain
| | - C Espinosa
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - D Romero
- Laboratory of Toxicology, Department of Sociosanitary Sciences, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - J Meseguer
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - A Cuesta
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - M A Esteban
- Fish Innate Immune System Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain.
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Kim JH, Kang JC. The toxic effects on the stress and immune responses in juvenile rockfish, Sebastes schlegelii exposed to hexavalent chromium. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2016; 43:128-133. [PMID: 26991846 DOI: 10.1016/j.etap.2016.03.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Revised: 02/22/2016] [Accepted: 03/07/2016] [Indexed: 06/05/2023]
Abstract
Juvenile Sebastes schlegelii (mean length 13.7±1.7cm, and mean weight 55.6±4.8g) were exposed for 4 weeks with the different levels of dietary chromium (Cr(6+)) concentration (0, 30, 60, 120 and 200mg/L). The plasma cortisol and heat shock protein 70 was evaluated as stress indicators. Plasma cortisol was significantly increased in response to the dietary chromium exposure over 120mg/kg at 2 and 4 weeks. Heat shock protein 70 was also notably increased over 120mg/kg at 2 weeks and over 60mg/kg at 4 weeks. In the immune response, immunoglobulin M was considerably increased in the concentration of 240mg/kg at 2 weeks and over 120mg/kg at 4 weeks. Lysozyme activity was considerably induced by the dietary hexavalent chromium exposure. A significant increase in plasma lysozyme activity was observed at 240mg/kg after 2 weeks and over 60mg/kg after 4 weeks, kidney lysozyme was also increased over 120mg/kg at 2 and 4 weeks. The results demonstrate that dietary Cr exposure can induce a significant stress and immune stimulation.
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Affiliation(s)
- Jun-Hwan Kim
- Department of Aquatic Life Medicine, Pukyong National University, Busan 608-737, Republic of Korea
| | - Ju-Chan Kang
- Department of Aquatic Life Medicine, Pukyong National University, Busan 608-737, Republic of Korea.
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Morcillo P, Esteban MÁ, Cuesta A. Heavy metals produce toxicity, oxidative stress and apoptosis in the marine teleost fish SAF-1 cell line. CHEMOSPHERE 2016; 144:225-33. [PMID: 26363324 DOI: 10.1016/j.chemosphere.2015.08.020] [Citation(s) in RCA: 140] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Revised: 07/17/2015] [Accepted: 08/02/2015] [Indexed: 05/14/2023]
Abstract
The use of cell lines to test the toxicity of aquatic pollutants is a valuable alternative to fish bioassays. In this study, fibroblast SAF-1 cells from the marine gilthead seabream (Sparus aurata L.) were exposed for 24 h to the heavy metals Cd, Hg, MeHg (Methylmercury), As or Pb and the resulting cytotoxicity was assessed. Neutral red (NR), MTT-tetrazolio (MTT), crystal violet (CV) and lactate dehydrogenase (LDH) viability tests showed that SAF-1 cells exposed to the above heavy metals produced a dose-dependent reduction in the number of viable cells. Methylmercury showed the highest toxicity (EC50 = 0.01 mM) followed by As, Cd, Hg and Pb. NR was the most sensitive method followed by MTT, CV and LDH. SAF-1 cells incubated with each of the heavy metals also exhibited an increase in the production of reactive oxygen species and apoptosis cell death. Moreover, the corresponding gene expression profiles pointed to the induction of the metallothionein protective system, cellular and oxidative stress and apoptosis after heavy metal exposure for 24 h. This report describes and compares tools for evaluating the potential effects of marine contamination using the SAF-1 cell line.
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Affiliation(s)
- Patricia Morcillo
- Fish Innate Immune System Group, Department of Cellular Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain
| | - María Á Esteban
- Fish Innate Immune System Group, Department of Cellular Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain
| | - Alberto Cuesta
- Fish Innate Immune System Group, Department of Cellular Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100 Murcia, Spain.
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44
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Toxicological in vitro effects of heavy metals on gilthead seabream (Sparus aurata L.) head–kidney leucocytes. Toxicol In Vitro 2015; 30:412-20. [DOI: 10.1016/j.tiv.2015.09.021] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 09/14/2015] [Accepted: 09/17/2015] [Indexed: 11/17/2022]
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What the Erythrocytic Nuclear Alteration Frequencies Could Tell Us about Genotoxicity and Macrophage Iron Storage? PLoS One 2015; 10:e0143029. [PMID: 26619141 PMCID: PMC4664483 DOI: 10.1371/journal.pone.0143029] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Accepted: 10/29/2015] [Indexed: 11/19/2022] Open
Abstract
Erythrocytic nuclear alterations have been considered as an indicative of organism’s exposure to genotoxic agents. Due to their close relationship among their frequencies and DNA damages, they are considered excellent markers of exposure in eukaryotes. However, poor data has been found in literature concerning their genesis, differential occurrence and their life span. In this study, we use markers of cell viability; genotoxicity and cellular turn over in order to shed light to these events. Tilapia and their blood were exposed to cadmium in acute exposure and in vitro assays. They were analyzed using flow cytometry for oxidative stress and membrane disruption, optical microscopy for erythrocytic nuclear alteration, graphite furnace atomic absorption spectrometry for cadmium content in aquaria water, blood and cytochemical and analytical electron microscopy techniques for the hemocateretic aspects. The results showed a close relationship among the total nuclear alterations and cadmium content in the total blood and melanomacrophage centres area, mismatching reactive oxygen species and membrane damages. Moreover, nuclear alterations frequencies (vacuolated, condensed and blebbed) showed to be associated to cadmium exposure whereas others (lobed and bud) were associated to depuration period. Decrease on nuclear alterations frequencies was also associated with hemosiderin increase inside spleen and head kidney macrophages mainly during depurative processes. These data disclosure in temporal fashion the main processes that drive the nuclear alterations frequencies and their relationship with some cellular and systemic biomarkers.
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46
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Liu H, Sun P, Liu H, Yang S, Wang L, Wang Z. Hepatic oxidative stress biomarker responses in freshwater fish Carassius auratus exposed to four benzophenone UV filters. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2015; 119:116-122. [PMID: 25996523 DOI: 10.1016/j.ecoenv.2015.05.017] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Revised: 05/10/2015] [Accepted: 05/11/2015] [Indexed: 06/04/2023]
Abstract
Benzophenone (BP) type UV filters are widely used in many personal care products to protect human from UV irradiation. Despite the estrogenic potencies to fish and the environmental occurrences of BP derivatives in aquatic systems, little information is available regarding their effects on the antioxidant defense system in fish. In this work, the oxidative stress induced in livers of Carassius auratus was assessed using four biomarkers. The integrated biomarker response (IBR) was applied to assess the overall antioxidant status in fish. Moreover, liver tissues were also studied histologically. The changes in the activities of antioxidant enzymes and glutathione levels suggested that BPs generates oxidative stress in fish. The IBR index revealed that the hepatic oxidative toxicity followed the order BP-1>BP-2>BP-4>BP-3. The histopathological analysis revealed lesions caused by BPs. This investigation provides essential information for assessing the potential ecological risk of BP-type UV filters.
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Affiliation(s)
- Hui Liu
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Jiangsu Nanjing 210023, PR China; College of Biological and Chemical Engineering, Jiaxing University, Zhejiang Jiaxing 314001, PR China
| | - Ping Sun
- College of Biological and Chemical Engineering, Jiaxing University, Zhejiang Jiaxing 314001, PR China
| | - Hongxia Liu
- College of Biological and Chemical Engineering, Jiaxing University, Zhejiang Jiaxing 314001, PR China
| | - Shaogui Yang
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Jiangsu Nanjing 210023, PR China
| | - Liansheng Wang
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Jiangsu Nanjing 210023, PR China
| | - Zunyao Wang
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environment, Nanjing University, Jiangsu Nanjing 210023, PR China.
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Wu H, Li Y, Lang X, Wang L. Bioaccumulation, morphological changes, and induction of metallothionein gene expression in the digestive system of the freshwater crab Sinopotamon henanense after exposure to cadmium. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:11585-11594. [PMID: 25843825 DOI: 10.1007/s11356-015-4419-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Accepted: 03/20/2015] [Indexed: 06/04/2023]
Abstract
To study the responses of digestive system of the freshwater crab Sinopotamon henanense to the exposure with cadmium (Cd), crabs were acutely exposed to 7.25, 14.50, and 29.00 mg/l Cd for 96 h and subchronically exposed to 0.725, 1.450, and 2.900 mg/l for 21 days. Cd bioaccumulation in the hepatopancreas and digestive tract (esophagus and intestine) was examined. Furthermore, histopathological alterations of the esophagus, midgut, hindgut, and hepatopancreas were assessed in animals from the 29.0 and 2.90 mg/l Cd treatment groups, and expression of metallothionein messenger RNA (MT mRNA) in the hepatopancreas and intestine was measured in all treatment groups. The results showed difference in the middle and high concentrations between acute and subchronic treatment groups. Cd content in digestive tract after acute 14.5 and 29.0 mg/l Cd exposure was significantly higher than that at subchronic 1.45 and 2.90 mg/l exposure, but Cd levels in hepatopancreas were not significantly different under the same condition. Acute exposure to Cd induced greater morphological damage than subchronic exposure: large areas of epithelial cells were necrotic in hepatopancreas and midgut, which detached from the basal lamina. Vacuolated muscle cells were observed in the hindgut of animals from the acute exposure group, but the changes of esophageal morphology were not obvious after acute or subchronic treatments. The expression of MT mRNA increased with increasing Cd concentration, and MT mRNA level in acute exposure groups was significantly lower when compared to the subchronic exposure groups. Higher Cd content and lower MT mRNA expression in the acutely exposed groups may be responsible for more severe damage of digestive system in these exposure groups.
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Affiliation(s)
- Hao Wu
- School of Life Science, Shanxi University, Wucheng Road 92#, Taiyuan, 030006, Shanxi Province, China
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48
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Jindal R, Verma S. In vivo genotoxicity and cytotoxicity assessment of cadmium chloride in peripheral erythrocytes of Labeo rohita (Hamilton). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2015; 118:1-10. [PMID: 25890049 DOI: 10.1016/j.ecoenv.2015.04.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Revised: 03/12/2015] [Accepted: 04/07/2015] [Indexed: 06/04/2023]
Abstract
Cadmium chloride (CdCl2) induced genotoxicity and cytotoxicity has been assessed in the peripheral blood erythrocytes of freshwater fish Labeo rohita exposed to 0.37 and 0.62mg/L of CdCl2 in water for 100 days. The blood samples of the fish were collected at different intervals (days 1, 3, 5, 10, 15, 30, 60 and 100) of exposure period to analyze DNA damage using comet assay and the occurrence of micronuclei and other cellular anomalies. The results of comet assay showed a significant increase in the mean percentage of tail DNA at both the concentrations. Exposure to CdCl2 also induced micronuclei in addition to many nuclear abnormalities such as nuclear bud, binucleates, lobed, notched and vacuolated nuclei. Cytoplasmic abnormalities like echinocytes, acanthocytes, notched, microcytes and cells with vacuolated cytoplasm were also observed. The metal exposed groups showed significant variation in the frequency of cellular abnormalities as well as the extent of DNA damage in comparison to controls. These frequencies increased significantly (p<0.05) in concentration dependent manner, peaking on 10th day while a decreasing trend was observed after 15 days of the exposure period.
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Affiliation(s)
- Rajinder Jindal
- Aquatic Biology Laboratory, Panjab University, Chandigarh 160014, India.
| | - Sakshi Verma
- Aquatic Biology Laboratory, Panjab University, Chandigarh 160014, India.
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Jolly S, Jaffal A, Delahaut L, Palluel O, Porcher JM, Geffard A, Sanchez W, Betoulle S. Effects of aluminium and bacterial lipopolysaccharide on oxidative stress and immune parameters in roach, Rutilus rutilus L. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:13103-17. [PMID: 24996940 DOI: 10.1007/s11356-014-3227-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Accepted: 06/17/2014] [Indexed: 05/15/2023]
Abstract
Aluminium is used in diverse anthropogenic processes at the origin of pollution events in aquatic ecosystems. In the Champagne region (France), high concentrations of aluminium (Al) are detected due to vine-growing practices. In fish, little is known about the possible immune-related effects at relevant environmental concentrations. The present study analyzes the simultaneous effects of aluminium and bacterial lipopolysaccharide (LPS), alone and in combination, on toxicological biomarkers in the freshwater fish species Rutilus rutilus. For this purpose, roach treated or not with LPS were exposed to environmental concentrations of aluminium (100 μg/L) under laboratory-controlled conditions for 2, 7, 14 and 21 days. After each exposure time, we assessed hepatic lipoperoxidation, catalase activity, glutathione reductase activity and total glutathione content. We also analyzed cellular components related to the LPS-induced inflammatory response in possible target tissues, i.e. head kidney and spleen. Our results revealed a significant prooxidant effect in the liver cells and head kidney leukocytes of roach exposed to 100 μg of Al/L for 2 days. In liver, we observed more lipoperoxidation products and lower endogenous antioxidant activity levels such as glutathione reductase activity and total glutathione content. These prooxidant effects were associated with a higher oxidative burst in head kidney leukocytes, and they were all the more important in fish stimulated by LPS injection. These findings demonstrate that environmental concentrations of Al induce oxidative and immunotoxic effects in fish and are associated to an immunomodulatory process related to the inflammatory response.
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Affiliation(s)
- S Jolly
- Université de Reims Champagne-Ardenne, UMR-I02 SEBIO, BP 1039, 51687, Reims Cedex 2, France,
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El-Boshy M, El-Ashram A, Risha E, Abdelhamid F, Zahran E, Gab-Alla A. Dietary fucoidan enhance the non-specific immune response and disease resistance in African catfish, Clarias gariepinus, immunosuppressed by cadmium chloride. Vet Immunol Immunopathol 2014; 162:168-73. [PMID: 25454084 DOI: 10.1016/j.vetimm.2014.10.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Revised: 09/28/2014] [Accepted: 10/02/2014] [Indexed: 11/24/2022]
Abstract
Fucoidan is sulfated polysaccharide extracted from seaweed brown algae. This study was designed to evaluate the immunomodulatory effects and disease resistance of dietary fucoidan on catfish, Clarias gariepinus, immunosuppressed by cadmium. Three hundred and sixty African catfish, C. gariepinus, was allocated into six equal groups. The first group served as a control. Groups (F1 and F2) were fed on fucoidan supplemented ration at concentrations of 4 and 6g/kg diet respectively for 21 days. Groups (Cd, CdF1 and CdF2) were subjected throughout the experiment to a sub-lethal concentration of 5ppm cadmium chloride solution and groups (CdF1 and CdF2) were fed on a ration supplemented with fucoidan. Macrophages oxidative burst, phagocytic activity percentages and lymphocytes transformation index were a significant increase in the fucoidan-treated groups (F1 and F2), while serum lysozyme, nitric oxide and bactericidal activity were enhanced only in group (F2) when compared with controls. These parameters as well as absolute lymphocyte count and survival rate were significantly increased in group (CdF2) when compared with cadmium chloride immunosuppressed group (Cd). It could be concluded that the fucoidan can be used as immunostimulant for the farmed African catfish, C. gariepinus as it can improve its resistance to immunosuppressive stressful conditions.
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Affiliation(s)
- Mohamed El-Boshy
- Department of Laboratory Medicine, Faculty of Applied Medical Science, Umm Al-Qura University, Makkah, Saudi Arabia; Department of Clinical Pathology, Faculty of Veterinary Medicine, Mansoura University, Egypt.
| | - Ahmed El-Ashram
- Fish Health and Diseases Department, Faculty of fish Resources, Suez University, Egypt
| | - Engy Risha
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Mansoura University, Egypt
| | - Fatma Abdelhamid
- Department of Clinical Pathology, Faculty of Veterinary Medicine, Mansoura University, Egypt
| | - Eman Zahran
- Department of Internal Medicine, Infections and Fish Diseases, Faculty of Veterinary Medicine, Mansoura University, Egypt
| | - Ali Gab-Alla
- Department of Biological Sciences, Faculty of Applied Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
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