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Sales Junior SF, da Costa NM, de Farias Araújo G, Soares LOS, Mannarino CF, Correia FV, Saggioro EM. Antioxidant system alterations, oxidative, and genotoxic effects in Danio rerio (zebrafish) exposed to leachate from a dumpsite. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:10737-10749. [PMID: 38206461 DOI: 10.1007/s11356-024-31883-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 01/02/2024] [Indexed: 01/12/2024]
Abstract
Water body contamination by leachate originated from dumpsites is a concern for municipal solid waste (MSW) management. In this context, this study aimed to evaluate antioxidant system alterations and oxidative and genotoxic effects in Danio rerio (zebrafish) exposed to leachate from a closed dumpsite. Groups comprising 50 fish were exposed (96 h) to different leachate concentrations (5, 15, 30, and 50%) to evaluate effects on liver and brain superoxide dismutase (SOD), catalase (CAT), and glutathione-S-transferase (GST) activities and reduced glutathione (GSH) and metallothionein (MT) concentrations, as well as malondialdehyde (MDA) and protein carbonylation (PTC) levels. Blood genotoxicity was evaluated by the comet assay. The investigated dumpsite leachate pond presented high chloride concentrations (Cl-; 2288.4 ± 69.5 mg L-1) and high electrical conductivity (EC; 8434.0 mS cm-1), indicating the presence of leachate. Concerning Danio rerio exposure, higher SOD (37%), CAT (67%), and GST (39%) activities and higher GSH (57%) concentrations were observed in liver following exposure to 50% leachate, while decreased brain GST (42%) activities and GSH (90%) levels were observed at the same leachate concentration. A significant increase in the olive tail moment (OTM; 280%) indicative of genotoxicity in blood was observed. A principal component analysis indicated that increased enzymatic activities and high levels of both GSH and MT were not sufficient to prevent the accumulation of reactive oxygen species, resulting in PTC and genotoxicity. Therefore, leachate exposure causes sublethal Danio rerio effects, altering the antioxidant system, increasing ROS production, and leading to PTC and genotoxicity. The findings demonstrate the need to further develop sublethal level assessments in zebrafish using leachate from different sources to subsidize risk assessments regarding MSW management.
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Affiliation(s)
- Sidney Fernandes Sales Junior
- Post-graduation Program in Public Health and Environment, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, 1480 Leopoldo Bulhões Ave, Rio de Janeiro, RJ, 21041-210, Brazil
- Environmental Health Evaluation and Promotion Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, 4365 Brazil Ave, Rio de Janeiro, RJ, 21045-900, Brazil
| | - Nicolle Martins da Costa
- Post-graduation Program in Public Health and Environment, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, 1480 Leopoldo Bulhões Ave, Rio de Janeiro, RJ, 21041-210, Brazil
| | - Gabriel de Farias Araújo
- Post-graduation Program in Public Health and Environment, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, 1480 Leopoldo Bulhões Ave, Rio de Janeiro, RJ, 21041-210, Brazil
- Environmental Health Evaluation and Promotion Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, 4365 Brazil Ave, Rio de Janeiro, RJ, 21045-900, Brazil
| | - Lorena Oliveira Souza Soares
- Environmental Health Evaluation and Promotion Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, 4365 Brazil Ave, Rio de Janeiro, RJ, 21045-900, Brazil
- Post-graduation Program in Biological Sciences (Neotropical Biodiversity), Department of Natural Sciences, Federal University of the State of Rio de Janeiro, 458 Pasteur Ave., 22290-20 Urca, Rio de Janeiro, Brazil
| | - Camille Ferreira Mannarino
- Sanitation and Environment Health Department, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, 1480 Leopoldo Bulhões Ave, Rio de Janeiro, RJ, 21041-210, Brazil
| | - Fábio Veríssimo Correia
- Environmental Health Evaluation and Promotion Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, 4365 Brazil Ave, Rio de Janeiro, RJ, 21045-900, Brazil
- Post-graduation Program in Biological Sciences (Neotropical Biodiversity), Department of Natural Sciences, Federal University of the State of Rio de Janeiro, 458 Pasteur Ave., 22290-20 Urca, Rio de Janeiro, Brazil
- Department of Natural Sciences, Federal University of the State of Rio de Janeiro, 458 Pasteur Ave., 22290-20 Urca, Rio de Janeiro, Brazil
| | - Enrico Mendes Saggioro
- Post-graduation Program in Public Health and Environment, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, 1480 Leopoldo Bulhões Ave, Rio de Janeiro, RJ, 21041-210, Brazil.
- Environmental Health Evaluation and Promotion Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, 4365 Brazil Ave, Rio de Janeiro, RJ, 21045-900, Brazil.
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de Lima E Silva JR, de Lima ARB, da Silva DL, Rosa Filho JS, Adam ML. Contrasting tourism regimes due to the COVID-19 lockdown reveal varied genomic toxicity in a tropical beach in the Southern Atlantic. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:464. [PMID: 35639171 PMCID: PMC9152653 DOI: 10.1007/s10661-022-10112-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 05/15/2022] [Indexed: 05/26/2023]
Abstract
Tourist occupancy in coastal environments threatens the stability of various coastal ecosystems and is thus a cause for concern for the environmental sector. As such, it is important to perform environmental monitoring in a way that analyses and quantifies the environmental impact of coastal ecosystems. Porto de Galinhas beach (Pernambuco - Brazil) has one of the highest visitation rates in Brazil and suffered from restrictions to human mobility due to the COVID-19 pandemic. These restrictions allowed for the evaluation of the impact of tourism on Porto de Galinhas beach and the effects that the lack of tourist occupancy had during the lockdown period of 2020. Blood samples from the species Abudefduf saxatilis were collected monthly over a period of 1 year and during the lockdown quarter, in order to perform micronucleus (MN) and nuclear morphological alteration (NMA) tests, and data were analyzed at a seasonal level (dry/rainy period) using a comet assay. For the control group, A. saxatilis samples were collected in an environmentally protected area on Tamandaré beach (68 km from Porto de Galinhas). The MN and NMA tests showed a greater frequency of genomic damage when there was greater tourist flow. In relation to rain seasonality, the comet assay showed a greater incidence of genomic damage during the dry period, where there was a higher rate of tourist migration, compared to the rainy period. The lockdown period presented a lower incidence of genotoxic damage compared to the period without restrictions on human mobility and the control. The results show that tourism has been causing a significant environmental impact on Porto de Galinhas beach. The data collected during the lockdown period demonstrated how the absence of human movement results in changes that are favorable to environmental recuperation, as illustrated by the lower frequency of genomic damage.
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Affiliation(s)
| | | | - Demétrios Lucas da Silva
- Programa de Pós - Graduação em Biologia Animal, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | - José Souto Rosa Filho
- Programa de Pós - Graduação em Oceanografia, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
| | - Mônica Lúcia Adam
- Programa de Pós - Graduação em Biologia Animal, Universidade Federal de Pernambuco, Recife, Pernambuco, Brazil
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Sales Junior SF, Costa Amaral IC, Mannarino CF, Hauser-Davis RA, Correia FV, Saggioro EM. Long-term landfill leachate exposure modulates antioxidant responses and causes cyto-genotoxic effects in Eisenia andrei earthworms. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 287:117351. [PMID: 34000669 DOI: 10.1016/j.envpol.2021.117351] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/06/2021] [Accepted: 05/09/2021] [Indexed: 06/12/2023]
Abstract
It is estimated that approximately 0.4% of the total leachate produced in a landfill is destined for treatment plants, while the rest can reach the soil and groundwater. In this context, this study aimed to perform leachate toxicity evaluations through immune system cytotoxic assessments, genotoxic (comet assay) appraisals and antioxidant system (superoxide dismutase - SOD; catalase - CAT, glutathione-S-transferase - GST; reduced glutathione - GSH and metallothionein - MT) evaluations in Eisenia andrei earthworms exposed to a Brazilian leachate for 77 days. The leachate sample contained high organic matter (COD - 10,630 mg L-1) and ammoniacal nitrogen (2398 mg L-1), as well as several metals, including Ca, Cr, Fe, Mg, Ni and Zn. Leachate exposure resulted in SOD activity alterations and increased CAT activity and MT levels. Decreased GST activity and GSH levels were also observed. Antioxidant system alterations due to leachate exposure led to increased malondialdehyde levels as a result of lipid peroxidation after the 77 day-exposure. An inflammatory process was also observed in exposed earthworms, evidenced by increased amoebocyte density, and DNA damage was also noted. This study demonstrates for the first time that sublethal effect assessments in leachate-exposed earthworms comprise an important tool for solid waste management.
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Affiliation(s)
- Sidney Fernandes Sales Junior
- Center of Studies on Worker's Health and Human Ecology, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210, Rio de Janeiro, RJ, Brazil
| | - Isabele Campos Costa Amaral
- Center of Studies on Worker's Health and Human Ecology, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210, Rio de Janeiro, RJ, Brazil
| | - Camille Ferreira Mannarino
- Sanitation and Environment Health Department, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210, Rio de Janeiro, RJ, Brazil
| | - Rachel Ann Hauser-Davis
- Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, 21040-360, Rio de Janeiro, Brazil
| | - Fábio Veríssimo Correia
- UNIRIO,Departamento de Ciências Naturais, Av. Pasteur, 458, Urca, 22290-20, Rio de Janeiro, Brazil
| | - Enrico Mendes Saggioro
- Center of Studies on Worker's Health and Human Ecology, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210, Rio de Janeiro, RJ, Brazil; Sanitation and Environment Health Department, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210, Rio de Janeiro, RJ, Brazil.
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de Morais E Silva L, Alves VM, Dantas ERB, Scotti L, Lopes WS, Muratov EN, Scotti MT. Chemical safety assessment of transformation products of landfill leachate formed during the Fenton process. JOURNAL OF HAZARDOUS MATERIALS 2021; 419:126438. [PMID: 34182425 DOI: 10.1016/j.jhazmat.2021.126438] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 06/17/2021] [Accepted: 06/18/2021] [Indexed: 06/13/2023]
Abstract
Organic chemicals identified in raw landfill leachate (LL) and their transformation products (TPs), formed during Fenton treatment, were analyzed for chemical safety following REACH guidelines. The raw LL was located in the metropolitan region of Campina Grande, in northeast Brazil. We elucidated 197 unique chemical structures, including 154 compounds that were present in raw LL and 82 compounds that were detected in the treated LL, totaling 39 persistent compounds and 43 TPs. In silico models were developed to identify and prioritize the potential level of hazard/risk these compounds pose to the environment and society. The models revealed that the Fenton process improved the biodegradability of TPs. Still, a slight increase in ecotoxicological effects was observed among the compounds in treated LL compared with those present in raw LL. No differences were observed for aryl hydrocarbon receptor (AhR) and antioxidant response element (ARE) mutagenicity. Similar behavior among both raw and treated LL samples was observed for biodegradability; Tetrahymena pyriformis, Daphnia magna, Pimephales promelas and ARE, AhR, and Ames mutagenicity. Overall, our results suggest that raw and treated LL samples have similar activity profiles for all endpoints other than biodegradability.
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Affiliation(s)
- Luana de Morais E Silva
- Post-Graduate Program in Science and Environmental Technology, Department of Sanitary and Environmental Engineering, State University of Paraíba, 58429-500 Campina Grande, Paraíba, Brazil
| | - Vinicius M Alves
- Laboratory for Molecular Modeling, Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Edilma R B Dantas
- Post-Graduate Program in Science and Environmental Technology, Department of Sanitary and Environmental Engineering, State University of Paraíba, 58429-500 Campina Grande, Paraíba, Brazil
| | - Luciana Scotti
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, 58051-900 João Pessoa, Paraíba, Brazil; Teaching and Research Management - University Hospital, Federal University of Paraíba-Campus I, 58051-970 João Pessoa, Paraíba, Brazil
| | - Wilton Silva Lopes
- Post-Graduate Program in Science and Environmental Technology, Department of Sanitary and Environmental Engineering, State University of Paraíba, 58429-500 Campina Grande, Paraíba, Brazil
| | - Eugene N Muratov
- Laboratory for Molecular Modeling, Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, USA; Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, 58051-900 João Pessoa, Paraíba, Brazil
| | - Marcus Tullius Scotti
- Post-Graduate Program in Natural and Synthetic Bioactive Products, Federal University of Paraíba, 58051-900 João Pessoa, Paraíba, Brazil.
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D'Agostini F, La Maestra S. Micronuclei in Fish Erythrocytes as Genotoxic Biomarkers of Water Pollution: An Overview. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 258:195-240. [PMID: 34611757 DOI: 10.1007/398_2021_76] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Freshwater and marine water bodies receive chemical contaminants from industrial, agricultural, urban, and domestic wastes. Eco-genotoxicity assays are useful tools to assess the cumulative genotoxicity of these pollutants. Fish are suitable indicators for biomonitoring of mutagenic and carcinogenic pollution.In this review, we present a complete overview of the studies performed so far using the micronucleus test in peripheral erythrocytes of fish exposed to polluted water. We have listed all the species of fish used and the geographical distribution of the investigations. We have analyzed and discussed all technical aspects of using this test in fish, as well as the advantages and disadvantages of the different experimental protocols. We have reported the results of all studies. This assay has become, for years, one of the simplest, fastest, and most cost-effective for assessing genotoxic risk in aquatic environments. However, there are still several factors influencing the variability of the results. Therefore, we have given indications and suggestions to achieve a standardization of experimental procedures and ensure uniformity of future investigations.
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