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Segura BM, Rivero-Wendt CLG, Pizzotti ABC, Otsubo Jaques JA, Santos AN, Franco-Belussi L, Fernandes CEDS. Effects of urban streams on muscle non-protein thiols, gill and liver histopathology in zebrafish (Danio rerio) assessed by active biomonitoring. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024:124513. [PMID: 39002751 DOI: 10.1016/j.envpol.2024.124513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 07/03/2024] [Accepted: 07/06/2024] [Indexed: 07/15/2024]
Abstract
Aquatic biota are exposed to toxic substances resulting from human activities, reducing environmental quality and can compromise the health of the organisms. This study aimed to employ Danio rerio as an environmental bioindicator, analyzing the effects of water from distinct urban aquatic environments. An active biomonitoring system was set up to compare the temporal dynamics of histological biomarkers for gill and liver and the patterns of non-protein thiols (NPSH) in muscle in specimens exposed for 3, 6, and 12 days. Three large urban basins in the city of Campo Grande (Midwest of Brazil) were selected. Two sites are in a very populous area (i.e Lagoa and Bandeira) and another on in an area with agricultural activities (i.e Anhanduí). All the streams displayed distinct qualitative characteristics. The presence of metals, including Mn, Zn, Fe, and Al, as well as pH, temperature, and dissolved oxygen, accounted for 38% of the variability (PC1), while total solids, conductivity, ammonia, nitrite, and explained 24 % (PC2). Degree tissue changes index (DTC) in gill and the concentration of NPSH increased in all streams during 3, 6 and 12 days of exposure. DTC in liver increases in all exposure times in most populous stream (i.e Lagoa and Bandeira). Histopathological evidence in the gill, including proliferation, desquamation, and necrosis of the primary lamellar epithelium; fusion and aneurysms in the secondary lamellar epithelium were observed after three days of exposure. Degenerative nuclear figures were noted in the liver after three days of exposure, followed by hepatocellular hypertrophy, lipidosis, and necrosis at twelve days. Our findings showing time-dependent effects of urban aquatic environments in histopathological (i.e DTC) and biochemical biomarkers in zebrafish. The biomonitoring model enabled a comparison of the temporal dynamics of various health markers, using zebrafish as bioindicator. Future studies might use this experimental model and biomarkers for environmental biomonitoring program.
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Affiliation(s)
- Bianca Marques Segura
- Graduate Program in Animal Biology. Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brasil
| | - Carla Letícia Gediel Rivero-Wendt
- Laboratório de Patologia Experimental, LAPEx, Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, 79002970, Brasil
| | - Ana Beatriz Coriguazi Pizzotti
- Programa Multicêntrico de Pós-Graduação em Bioquímica e Biologia Molecular (PBBqBM), Instituto de Biociências (INBIO), Universidade Federal de Mato Grosso do Sul (UFMS), Campo Grande, 79.070-900, Mato Grosso do Sul, Brazil
| | - Jeandre Augusto Otsubo Jaques
- Programa Multicêntrico de Pós-Graduação em Bioquímica e Biologia Molecular (PBBqBM), Instituto de Biociências (INBIO), Universidade Federal de Mato Grosso do Sul (UFMS), Campo Grande, 79.070-900, Mato Grosso do Sul, Brazil; Programa de Pós-Graduação em Ciências Farmacêuticas (PPGFARM), Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição (FACFAN), Universidade Federal de Mato Grosso do Sul (UFMS), Campo Grande, 79.070-900, Mato Grosso do Sul, Brazil
| | - Andreza Negreli Santos
- Programa Multicêntrico de Pós-Graduação em Bioquímica e Biologia Molecular (PBBqBM), Instituto de Biociências (INBIO), Universidade Federal de Mato Grosso do Sul (UFMS), Campo Grande, 79.070-900, Mato Grosso do Sul, Brazil
| | - Lilian Franco-Belussi
- Laboratório de Patologia Experimental, LAPEx, Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, 79002970, Brasil
| | - Carlos Eurico Dos Santos Fernandes
- Laboratório de Patologia Experimental, LAPEx, Instituto de Biociências, Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, 79002970, Brasil.
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Heuer RM, Falagan-Lotsch P, Okutsu J, Deperalto M, Koop RR, Umeh OG, Guevara GA, Noor MI, Covington MA, Shelton DS. Therapeutic Efficacy of Selenium Pre-treatment in Mitigating Cadmium-Induced Cardiotoxicity in Zebrafish (Danio rerio). RESEARCH SQUARE 2024:rs.3.rs-4583781. [PMID: 39011097 PMCID: PMC11247922 DOI: 10.21203/rs.3.rs-4583781/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
Cardiovascular diseases are a rampant public health threat. Environmental contaminants, such as Cadmium (Cd), a toxic metal, have been linked to increased risk for cardiovascular diseases. Given that human exposure to Cd is increasing overtime, there is a need to develop new therapies to ameliorate Cd toxicity. Selenium (Se), an essential trace element, has been proposed to rescue the effects of Cd toxicity, with mixed effects. Se's narrow therapeutic window necessitates precise dosing to avoid toxicity. Here, we assessed the effects of various waterborne Cd and Se concentrations and sequences on cardiac function using zebrafish (Danio rerio). We showed that Cd induced pericardial edemas and modified heart rates in a concentration-dependent manner. To identify the therapeutic range of Se for Cd-induced cardiotoxicity, zebrafish embryos were treated with 0, 10, 50, 100, 150, or 200 μg/L Se for 1-4 days prior to exposure to Cd at 2.5, and 5 μg/L. We found that a 50 μg/L Se pre-treatment prior to Cd at 2.5 μg/L, but not at 5 μg/L, reduced the prevalence of pericardial edemas and ameliorated Cd-induced bradycardia in zebrafish. Embryos exposed to 10 and 50 μg/L of Se showed typical heart morphology, whereas other Se-exposed and Se-deficient fish presented pericardial edemas. Longer Se pre-treatment durations led to fewer incidences of pericardial edemas. Overall, this study highlights the importance of optimizing Se concentration and pre-treatment periods to harness its protective effects against Cd-induced cardiotoxicity. These findings provide insights into potential therapeutic strategies for reducing Cd-related cardiovascular damage in humans.
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Shelton DS, Suriyampola PS, Dinges ZM, Glaholt SP, Shaw JR, Martins EP. Plants buffer some of the effects of a pair of cadmium-exposed zebrafish on the un-exposed majority. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 107:104419. [PMID: 38508506 PMCID: PMC11042042 DOI: 10.1016/j.etap.2024.104419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 03/10/2024] [Accepted: 03/14/2024] [Indexed: 03/22/2024]
Abstract
Certain individuals have a disproportionate effect on group responses. Characteristics may include susceptibility to pollutants, such as cadmium (Cd), a potent trace metal. Here, we show how a pair of Cd-exposed individuals can impact the behavior of unexposed groups. We used behavioral assessments to characterize the extent of the effects of the Cd-exposed individuals on group boldness, cohesion, foraging, activity, and responses to plants. We found that groups with a pair of Cd-exposed fish remained closer to novel stimuli and plants than did groups with untreated (control) fish. The presence of plants reduced Cd-induced differences in shoal cohesion and delays feeding in male shoals. Shoals with Cd- and water-treated fish were equally active. The results suggest that fish acutely exposed to environmentally relevant Cd concentrations can have profound effects on the un-exposed majority. However, the presence of plants may mitigate the effects of contaminants on some aspects of social behavior.
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Affiliation(s)
- Delia S Shelton
- Department of Biology, University of Miami, 1301 Memorial Dr, Coral Gables, FL 33134, USA.
| | - Piyumika S Suriyampola
- School of Life Sciences, Arizona State University, 427 East Tyler Mall, Tempe, AZ 85287, USA
| | - Zoe M Dinges
- Department of Biology, Indiana University, 1001 E 3rd St, Bloomington, IN 47405, USA
| | - Stephen P Glaholt
- O'Neill School of Public and Environmental Affairs, Indiana University, 1315 E 10th St, Bloomington, IN 47405, USA
| | - Joseph R Shaw
- O'Neill School of Public and Environmental Affairs, Indiana University, 1315 E 10th St, Bloomington, IN 47405, USA
| | - Emília P Martins
- School of Life Sciences, Arizona State University, 427 East Tyler Mall, Tempe, AZ 85287, USA
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Suriyampola PS, Huang AJ, Lopez M, Conroy-Ben O, Martins EP. Exposure to environmentally relevant concentrations of Bisphenol-A linked to loss of visual lateralization in adult zebrafish (Danio rerio). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 268:106862. [PMID: 38359500 DOI: 10.1016/j.aquatox.2024.106862] [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: 10/18/2023] [Revised: 02/08/2024] [Accepted: 02/12/2024] [Indexed: 02/17/2024]
Abstract
Weak, but environmentally relevant concentrations of contaminants can have subtle, yet important, impacts on organisms, which are often overlooked due to the lack of acute impacts and the timing of exposure. Thus, recognizing simple, non-invasive markers of contamination events is essential for early detection and addressing the effects of exposure to weak environmental contaminants. Here, we tested whether exposure to an environmentally relevant concentration of Bisphenol-A (BPA), a common and persistent contaminant in aquatic systems, affects the lateralization of adult zebrafish (Danio rerio), a widely used model organism in ecotoxicology. We found that 73.5% of adult zebrafish displayed a left-side bias when they approached a visual cue, but that those exposed to weak BPA (0.02 mg/L) for 7 days did not exhibit laterality. Only 47.1% displayed a left-side bias. We found no differences in activity level and visual sensitivity, motor and sensory mechanisms, that regulate lateralized responses and that were unaffected by weak BPA exposure. These findings indicate the reliability of laterality as a simple measure of contaminant exposure and for future studies of the detailed mechanisms underlying subtle and complex behavioral effects to pollutants.
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Affiliation(s)
| | | | - Melissa Lopez
- School of Life Sciences, Arizona State University, AZ, USA
| | - Otakuye Conroy-Ben
- School of Sustainable Engineering and the Built Environment, Arizona State University, AZ, USA
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Daniel DK, Bhat A. Correlations begin at home: drivers of co-occurrence patterns in personality and cognitive ability in wild populations of zebrafish. Anim Cogn 2023:10.1007/s10071-023-01787-w. [PMID: 37248284 DOI: 10.1007/s10071-023-01787-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 04/16/2023] [Accepted: 05/11/2023] [Indexed: 05/31/2023]
Abstract
Aquatic habitats are extremely dynamic, with constantly changing ecological factors, which has now been exacerbated due to human-induced rapid environmental change. In such variable environments, it becomes essential to understand how personality and cognition in organisms affect the adaptability of individuals to different habitat conditions. To test this, we studied how personality-related traits as well as cognitive ability differ between populations of wild-caught zebrafish (Danio rerio) from habitats that differed in various environmental factors. We measured emergence into a novel environment as an indicator of boldness, and performance in a spatial task inferred from feeding latencies in a maze over repeated trials to assess learning and memory, as an indicator of cognitive ability. We found that personality affects cognition and although bolder fish are better learners, they show poorer retention of memory across populations. Although personality and cognitive ability varied between habitats, the patterns of their correlations remained similar within each population. However, the individual traits (such as sex and size) that were drivers of personality and cognition differed between the habitats, suggesting that not only do behavioral traits vary between populations, but also the factors that are important in determining them. Personality and cognitive ability and the correlations between these traits determine how well an organism performs in its habitat, as well as how likely it is to find new habitats and adapt to them. Studying these across wild zebrafish populations helps predict performance efficiencies among individuals and also explains how fish adapt to extremely dynamic environments that can lead to variation in behavioral traits and correlations between them. This study not only sheds light on the drivers of interindividual variation and co-occurrence patterns of personality and cognition, but also individual and population factors that might have an effect on them.
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Affiliation(s)
- Danita K Daniel
- Department of Biological Science, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal, 741246, India
| | - Anuradha Bhat
- Department of Biological Science, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal, 741246, India.
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Curcio V, Macirella R, Sesti S, Ahmed AIM, Talarico F, Pizzolotto R, Tagarelli A, Mezzasalma M, Brunelli E. The role of exposure window and dose in determining lead toxicity in developing Zebrafish. CHEMOSPHERE 2022; 307:136095. [PMID: 35995187 DOI: 10.1016/j.chemosphere.2022.136095] [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: 07/04/2022] [Revised: 08/10/2022] [Accepted: 08/15/2022] [Indexed: 06/15/2023]
Abstract
Heavy metal contamination is recognized worldwide as a serious threat to human health and wildlife, and reducing their emissions is a priority of international and EU actions. Due to its persistence, high bioaccumulation tendency, and toxicity properties, lead (Pb) is one of the heavy metals of greatest concern. Even at low concentrations, lead induces various clinical and subclinical conditions in both humans and animals, and it has been included in the priority list of hazardous substances. In the present study, we used zebrafish's early stages as a model, given their well-acknowledged predictive value in the risk assessment of chemicals. This study was designed to investigate the morphological and morphometric alterations induced by Pb during zebrafish's early development and disclose the putative effects stage- and/or dose-dependent. We examined injuries induced by two environmentally relevant and extremely low concentrations of Pb (2.5 μg/L and 5 μg/L) during two exposure windows: early (between 1 and 7 dpf) and late (between 2 and 8 dpf). We clearly demonstrated that the incidence and severity of morphological abnormalities increased with increasing Pb dose and exposure time in both early and late-exposed groups. Furthermore, we revealed that malformation severity was significantly higher in the early exposed group than in the late exposure group at all exposure times and for both tested doses, thus highlighting the high sensitivity of zebrafish during the initial stages of development. The information presented in this paper emphasizes the effectiveness of morphological biomarkers in unveiling threatening situations and supports the role of zebrafish embryos and larvae in risk assessment and environmental monitoring.
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Affiliation(s)
- Vittoria Curcio
- Department of Biology, Ecology and Earth Science (DiBEST) - University of Calabria, Via P. Bucci 4/B, 87036, Rende, Cosenza, Italy
| | - Rachele Macirella
- Department of Biology, Ecology and Earth Science (DiBEST) - University of Calabria, Via P. Bucci 4/B, 87036, Rende, Cosenza, Italy
| | - Settimio Sesti
- Department of Biology, Ecology and Earth Science (DiBEST) - University of Calabria, Via P. Bucci 4/B, 87036, Rende, Cosenza, Italy
| | - Abdalmoiz I M Ahmed
- Department of Biology, Ecology and Earth Science (DiBEST) - University of Calabria, Via P. Bucci 4/B, 87036, Rende, Cosenza, Italy
| | - Federica Talarico
- Natural History Museum and Botanical Garden, University of Calabria, 87036 Rende, Italy
| | - Roberto Pizzolotto
- Department of Biology, Ecology and Earth Science (DiBEST) - University of Calabria, Via P. Bucci 4/B, 87036, Rende, Cosenza, Italy
| | - Antonio Tagarelli
- Dipartimento di Chimica e Tecnologie Chimiche, Università Della Calabria, Rende, 87036, Italy
| | - Marcello Mezzasalma
- Department of Biology, Ecology and Earth Science (DiBEST) - University of Calabria, Via P. Bucci 4/B, 87036, Rende, Cosenza, Italy
| | - Elvira Brunelli
- Department of Biology, Ecology and Earth Science (DiBEST) - University of Calabria, Via P. Bucci 4/B, 87036, Rende, Cosenza, Italy.
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