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Wang Z, Akimoto T, Yue T, Hatakeyama Y, Maruo C, Pascual G, Fujibayashi M, Sakamaki T. Testing combined effects of environmental trace metals/arsenic and marine trophic status on the bioaccumulation in Pacific oysters: Insights from 22-site field samplings. MARINE POLLUTION BULLETIN 2024; 207:116827. [PMID: 39168088 DOI: 10.1016/j.marpolbul.2024.116827] [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: 05/29/2024] [Revised: 08/04/2024] [Accepted: 08/05/2024] [Indexed: 08/23/2024]
Abstract
Pacific oysters were sampled from 22 human-impacted sites in northeastern Japan to measure Cr, Cu, Zn, Pb, Cd, and As. The hazard quotient was slightly >1 for Cu and/or As at two sites, but <1 for all metal species and As at the other sites, indicating low human health risks. Oysters' Cu, Zn, and Pb contents were positively related to their concentrations in the sediment, while Cr and As were not. Oysters' Cu and Zn were negatively related to the inorganic nitrogen in seawater, while oysters' Pb and As showed positive relationships with the particulate organic carbon. These findings suggest that marine trophic status affects oysters' metal uptake differently among the metal species. Furthermore, oysters' Cr, Cu, Zn, and Pb contents were negatively related to their eicosapentaenoic acid content and condition index. Therefore, the nutritional conditions of oysters may influence their elimination or accumulation of these metals.
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Affiliation(s)
- Zhongcheng Wang
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aramaki-Aza-Aoba, Sendai 980-8579, Japan
| | - Takeshi Akimoto
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aramaki-Aza-Aoba, Sendai 980-8579, Japan
| | - Tingting Yue
- School of Life Sciences, Technical University of Munich, Emil-Ramann-Str. 2, Building 4217, 85354 Freising, Germany
| | - Yuji Hatakeyama
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aramaki-Aza-Aoba, Sendai 980-8579, Japan
| | - Chikako Maruo
- Technical Division, School of Engineering, Tohoku University, 6-6-06 Aramaki-Aza-Aoba, Sendai 980-8579, Japan
| | - Gissela Pascual
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aramaki-Aza-Aoba, Sendai 980-8579, Japan
| | - Megumu Fujibayashi
- Faculty of Engineering, Kyushu University, 744, Motooka, Nishi-Ku, Fukuoka 819-0395, Japan
| | - Takashi Sakamaki
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aramaki-Aza-Aoba, Sendai 980-8579, Japan; Advanced Institute for Marine Ecosystem Change (Tohoku University & JAMSTEC WPI-AIMEC), 6-3 Aoba, Aramaki, Aoba-ku, Sendai 980-8578, Japan.
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da Silva Rosa JJ, Cerqueira JA, Risso WE, Martinez CBDR. Multiple Biomarker Responses in Aegla castro Exposed to Copper: A Laboratory Approach. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2024:10.1007/s00244-024-01091-9. [PMID: 39322773 DOI: 10.1007/s00244-024-01091-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Accepted: 09/11/2024] [Indexed: 09/27/2024]
Abstract
Although some biomarkers have already been determined in aeglids collected in the field, data from laboratory exposures are scarce. To our knowledge, no studies have investigated oxidative stress biomarkers in aeglids exposed to metals in the laboratory, or performed hemocyte counts and the comet assay using gill and hepatopancreas of aeglids. Thus, we investigated the effects of acute Cu exposure on intermolt males of Aegla castro, collected from a reference stream, acclimated for 6 days in the laboratory, and then exposed to 11 μg L-1 of dissolved Cu (Cu 11) or only to water (CTR), for 24 h. Gill and hepatopancreas samples were used to determine Cu accumulation, DNA damage, and metallothionein content (MT), while hemolymph samples were used to determine Cu accumulation, DNA damage, and hemocyte counts. Muscle samples were used to determine Cu accumulation and acetylcholinesterase activity (AChE). Non-protein thiol content (NPSH), catalase (CAT), glutathione S-transferase activities (GST), lipoperoxidation (LPO), and protein carbonylation content (PCC) were measured only in the hepatopancreas. Aegla castro exposed to Cu accumulated this metal in gills and activated detoxification mechanisms, through increased MT content in the gill, and showed an immune response, evidenced by an increase in hyaline hemocytes. Therefore, gill and hemocytes appear to have a protective role in preventing the transport and bioavailability of Cu through the body. On the other hand, we observed a decrease in MT content in the hepatopancreas of crabs exposed to Cu, suggesting the excretion of MT in association with Cu bound to the sulfhydryl groups of this protein.
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Affiliation(s)
- Jheimison Junior da Silva Rosa
- Laboratório de Ecofisiologia Animal, Departamento de Ciências Fisiológicas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, Km 380, Campus Universitário, Londrina, Paraná, CEP 86057-970, Brasil
| | - Julia Andrade Cerqueira
- Laboratório de Ecofisiologia Animal, Departamento de Ciências Fisiológicas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, Km 380, Campus Universitário, Londrina, Paraná, CEP 86057-970, Brasil
| | - Wagner Ezequiel Risso
- Laboratório de Ecofisiologia Animal, Departamento de Ciências Fisiológicas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, Km 380, Campus Universitário, Londrina, Paraná, CEP 86057-970, Brasil
| | - Claudia Bueno Dos Reis Martinez
- Laboratório de Ecofisiologia Animal, Departamento de Ciências Fisiológicas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, Km 380, Campus Universitário, Londrina, Paraná, CEP 86057-970, Brasil.
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Ullah S, Zuberi A, Ullah I, Azzam MM. Ameliorative Role of Vitamin C against Cypermethrin Induced Oxidative Stress and DNA Damage in Labeo rohita (Hamilton, 1822) Using Single Cell Gel Electrophoresis. TOXICS 2024; 12:664. [PMID: 39330592 PMCID: PMC11435545 DOI: 10.3390/toxics12090664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2024] [Revised: 09/06/2024] [Accepted: 09/11/2024] [Indexed: 09/28/2024]
Abstract
The present study was undertaken to evaluate cypermethrin (CYP)-induced oxidative stress [reactive oxygen species (ROS) and lipid peroxidation (LPO) in gills, muscles, brain, and liver tissues] and DNA damage/genotoxicity (peripheral blood erythrocytes) in a freshwater teleost rohu (Labeo rohita) and the protective role of vitamin C. The LC50 of CYP against rohu was found to be 4.5 µg/L in a semi-static culture system through probit analysis. Fingerlings of rohu were distributed into four groups (Group 1st served as a control, fed 35% protein basal diet and was not exposed to CYP; Group 2nd was fed a basal diet and exposed to CYP; Group 3rd and Group 4th were fed diets supplemented with vitamin C at the rate of 100 and 200 mg/kg diet, respectively, and exposed to CYP). Fingerlings were reared on a basal and vitamin C-supplemented diet for 28 days prior to exposure to CYP. The results indicate a time-dependent significant increase in ROS and LPO (indicated by time course increase in TBARS level) as well as DNA damage in terms of number of comets, % DNA in tail, tail moment, tail length, and olive tail moment after exposure to LC50 of CYP. However, statistically comparable results in both Groups 1st and 4th indicate the protective role of vitamin C. The results reveal the effectiveness of vitamin C as a feed additive for countering pesticides toxicity in Labeo rohita. The current study indicates CYP as a potential genotoxicant for fish and classifies SCGE as a reliable and sensitive tool for assessing DNA damage.
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Affiliation(s)
- Sana Ullah
- Fisheries and Aquaculture Lab, Department of Zoology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
- Department of Zoology, Division of Science and Technology, University of Education, Lahore 54000, Pakistan
| | - Amina Zuberi
- Fisheries and Aquaculture Lab, Department of Zoology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan
| | - Imdad Ullah
- Department of Biosciences, Durham University, D86, Durham DH1 3LB, UK;
- Durham Genome Center, Lanchester DH7 0EX, UK
| | - Mahmoud M. Azzam
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi Arabia;
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Ladeira C, Møller P, Giovannelli L, Gajski G, Haveric A, Bankoglu EE, Azqueta A, Gerić M, Stopper H, Cabêda J, Tonin FS, Collins A. The Comet Assay as a Tool in Human Biomonitoring Studies of Environmental and Occupational Exposure to Chemicals-A Systematic Scoping Review. TOXICS 2024; 12:270. [PMID: 38668493 PMCID: PMC11054096 DOI: 10.3390/toxics12040270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 03/31/2024] [Accepted: 04/02/2024] [Indexed: 04/29/2024]
Abstract
Biomonitoring of human populations exposed to chemical substances that can act as potential mutagens or carcinogens, may enable the detection of damage and early disease prevention. In recent years, the comet assay has become an important tool for assessing DNA damage, both in environmental and occupational exposure contexts. To evidence the role of the comet assay in human biomonitoring, we have analysed original research studies of environmental or occupational exposure that used the comet assay in their assessments, following the PRISMA-ScR method (preferred reporting items for systematic reviews and meta-analyses extension for scoping reviews). Groups of chemicals were designated according to a broad classification, and the results obtained from over 300 original studies (n = 123 on air pollutants, n = 14 on anaesthetics, n = 18 on antineoplastic drugs, n = 57 on heavy metals, n = 59 on pesticides, and n = 49 on solvents) showed overall higher values of DNA strand breaks in the exposed subjects in comparison with the unexposed. In summary, our systematic scoping review strengthens the relevance of the use of the comet assay in assessing DNA damage in human biomonitoring studies.
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Affiliation(s)
- Carina Ladeira
- H&TRC-Health & Technology Research Center, ESTeSL-Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal
- NOVA National School of Public Health, Public Health Research Centre, Universidade NOVA de Lisboa, 1600-560 Lisbon, Portugal
| | - Peter Møller
- Department of Public Health, Section of Environmental Health, University of Copenhagen, 1172 Copenhagen, Denmark;
| | - Lisa Giovannelli
- Department NEUROFARBA, Section Pharmacology and Toxicology, University of Florence, 50121 Florence, Italy;
| | - Goran Gajski
- Division of Toxicology, Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia; (G.G.); (M.G.)
| | - Anja Haveric
- Institute for Genetic Engineering and Biotechnology, University of Sarajevo, 71000 Sarajevo, Bosnia and Herzegovina;
| | - Ezgi Eyluel Bankoglu
- Institute of Pharmacology and Toxicology, University of Würzburg, 97078 Würzburg, Germany; (E.E.B.); (H.S.)
| | - Amaya Azqueta
- Department of Pharmaceutical Sciences, School of Pharmacy and Nutrition, University of Navarra, 31009 Pamplona, Spain;
| | - Marko Gerić
- Division of Toxicology, Institute for Medical Research and Occupational Health, 10000 Zagreb, Croatia; (G.G.); (M.G.)
| | - Helga Stopper
- Institute of Pharmacology and Toxicology, University of Würzburg, 97078 Würzburg, Germany; (E.E.B.); (H.S.)
| | - José Cabêda
- Guarda Nacional Republicana, Destacamento Territorial de Vila Franca de Xira, Núcleo de Proteção Ambiental, 1500-124 Lisbon, Portugal;
| | - Fernanda S. Tonin
- Pharmaceutical Care Research Group, Universidad de Granada, 18012 Granada, Spain;
| | - Andrew Collins
- Department of Nutrition, University of Oslo, 0316 Oslo, Norway;
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Sommaggio LRD, Mazzeo DEC, Malvestiti JA, Dantas RF, Marin-Morales MA. Influence of ozonation and UV/H 2O 2 on the genotoxicity of secondary wastewater effluents. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 919:170883. [PMID: 38354810 DOI: 10.1016/j.scitotenv.2024.170883] [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: 10/21/2023] [Revised: 02/06/2024] [Accepted: 02/08/2024] [Indexed: 02/16/2024]
Abstract
The implementation of novel wastewater treatment technologies, including Advanced Oxidation Processes (AOPs) such as ozonation and ultraviolet radiation (UV) combined with hydrogen peroxide (H2O2), can be a promising strategy for enhancing the quality of these effluents. However, during effluent oxidation AOPs may produce toxic compounds that can compromise the water reuse and the receiving water body. Given this possibility, the aim of this study was to evaluate the genotoxic potential of secondary effluents from two different Wastewater Treatment Plants (WWTP) that were subjected to ozonation or UV/H2O2 for periods of 20 (T1) and 40 (T2) minutes. The genotoxic potential was carried out with the Comet assay (for clastogenic damage) and the Micronucleus assay (for clastogenic and aneugenic damage) in HepG2/C3A cell culture (metabolizing cell line). The results of the comet assay revealed a significant increase in tail intensity in the Municipal WWTP (dry period) effluents treated with UV/H2O2 (T1 and T2). MN occurrence was noted across all treatments in both Pilot and Municipal WWTP (dry period) effluents, whereas nuclear buds (NBs) were noted for all Pilot WWTP treatments and UV/H2O2 treatments of Municipal WWTP (dry period). Moreover, the UV/H2O2 (T1) treatment of Municipal WWTP (dry period) exhibited a noteworthy incidence of multiple alterations per cell (MN + NBs). These findings imply that UV/H2O2 treatment demonstrates higher genotoxic potential compared to ozonation. Furthermore, seasonal variations can have an impact on the genotoxicity of the samples. Results of the study emphasize the importance of conducting genotoxicological tests using human cell cultures, such as HepG2/C3A, to assess the final effluent quality from WWTP before its discharge or reuse. This precaution is essential to safeguard the integrity of the receiving water body and, by extension, the biotic components it contains.
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Affiliation(s)
- Laís Roberta Deroldo Sommaggio
- Department of Biology, Institute of Biosciences, São Paulo State University (Unesp), Av. 24-A, 1515, 13506-900 Rio Claro, SP, Brazil
| | - Dânia Elisa Christofoletti Mazzeo
- Department of Biotechnology and Plant and Animal Production, Center for Agricultural Sciences, Universidade Federal de São Carlos (UFSCar), Araras, SP, Brazil.
| | - Jacqueline Aparecida Malvestiti
- School of Technology, University of Campinas - UNICAMP, Paschoal Marmo 1888, 13484332, Limeira, SP, Brazil; Center for Nuclear Energy in Agriculture (CENA), University of São Paulo (USP), Av. Centenário, 303, Piracicaba, SP, 13400-970, Brazil
| | - Renato Falcão Dantas
- School of Technology, University of Campinas - UNICAMP, Paschoal Marmo 1888, 13484332, Limeira, SP, Brazil.
| | - Maria Aparecida Marin-Morales
- Department of Biology, Institute of Biosciences, São Paulo State University (Unesp), Av. 24-A, 1515, 13506-900 Rio Claro, SP, Brazil.
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Zhang J, Liang X, Chen H, Guo W, Martyniuk CJ. Exposure to environmental levels of 2,4-di-tert-butylphenol affects digestive glands and induces inflammation in Asian Clam (Corbicula fluminea). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 915:170054. [PMID: 38224884 DOI: 10.1016/j.scitotenv.2024.170054] [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: 11/23/2023] [Revised: 01/03/2024] [Accepted: 01/08/2024] [Indexed: 01/17/2024]
Abstract
2,4-Di-tert-butylphenol (2,4-DTBP) is used as an antioxidant added to plastics. Due to its potential toxicity and relatively high concentrations in environments and presence in human tissue, concern has been raised for 2,4-DTBP as a contaminant associated with adverse health outcomes. However, studies on the toxicity of 2,4-DTBP are relatively limited, especially for benthic aquatic organisms. In this study, Asian clams (Corbicula fluminea) were exposed to environmentally relevant concentrations of 2,4-DTBP (0.01-1 μM, corresponding to 2.06-206.32 μg/L) for 21 days. Accumulation of 2,4-DTBP was noted in both gills and digestive glands, with the latter presenting as the primary target tissue. Increased damage rate of digestive tube and cellular DNA damage were observed in the digestive glands of 2,4-DTBP exposed clams. The injury was attributed to the imbalance of the antioxidant system, characterized by elevated oxidative stress and inflammation (upregulation of ROS, MDA, NO, and pro-inflammatory factors). In contrast, upon 2,4-DTBP exposure, antioxidant system in gills was activated, while ROS and NO were not promoted. Moreover, NF-κB and IL-1 were significantly decreased. These results suggested that biochemical mechanisms were activated in gills to maintain homeostasis. Internal exposure in the digestive gland was significantly correlated with the biochemical biomarkers tested, underscoring the potential risk associated with the bioaccumulation of 2,4-DTBP from contaminated environments. These findings provide novel insights into toxicity of 2,4-DTBP in bivalves, contributing valuable knowledge to risk assessment and chemical management.
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Affiliation(s)
- Jiye Zhang
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Xuefang Liang
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China.
| | - Huihui Chen
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China
| | - Wei Guo
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Christopher J Martyniuk
- Department of Physiological Sciences and Center for Environmental and Human Toxicology, University of Florida Genetics Institute, Interdisciplinary Program in Biomedical Sciences Neuroscience, College of Veterinary Medicine, University of Florida, Gainesville, FL 32611, USA
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Santos GD, Rutkoski CF, Folador A, Skovronski VJ, Müller C, Pompermaier A, Hartmann PA, Hartmann M. 2,4-D-based herbicide underdoses cause mortality, malformations, and nuclear abnormalities in Physalaemus cuvieri tadpoles. Comp Biochem Physiol C Toxicol Pharmacol 2024; 277:109840. [PMID: 38218566 DOI: 10.1016/j.cbpc.2024.109840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 01/02/2024] [Accepted: 01/08/2024] [Indexed: 01/15/2024]
Abstract
Amphibians are considered bioindicators of the environment due to their high sensitivity and involvement in terrestrial and aquatic ecosystems. In the last two decades, 2,4-D has been one of the most widely used herbicides in Brazil and around the world, as its use has been authorized for genetically modified crops and therefore has been detected in surface and groundwater. Against this background, the aim of this work was to investigate the effects of environmentally relevant concentrations of 2,4-D-based herbicides on survival, malformations, swimming activity, presence of micronuclei and erythrocyte nuclear abnormalities in Physalaemus cuvieri tadpoles. The amphibians were exposed to six concentrations of 2,4-D-based herbicides: 0.0, 4.0, 30.0, 52.5, 75.0, and 100 μg L-1, for 168 h. At concentrations higher than 52.5 μg L-1, significantly increased mortality was observed from 24 h after exposure. At the highest concentration (100 μg L-1), the occurrence of mouth and intestinal malformations was also observed. The occurrence of erythrocyte nuclear abnormalities at concentrations of 30.0, 52.5, 75.0 and 100 μg L-1 and the presence of micronuclei at concentrations of 52.5, 75.0, and 100 μg L-1 were also recorded. These effects of 2,4-D in P. cuvieri indicate that the ecological risk observed at concentrations above 10.35 μg L-1 2,4-D may represent a threat to the health and survival of this species, i.e., exposure to 2,4-D at concentrations already detected in surface waters in the species' range is toxic to P. cuvieri.
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Affiliation(s)
- Gilcinéia Dos Santos
- Ecology and Conservation Laboratory, Federal University of Fronteira Sul, Erechim Campus, RS 135-Km 72, no 200, 99.700-000 Erechim, RS, Brazil
| | - Camila Fátima Rutkoski
- Ecology and Conservation Laboratory, Federal University of Fronteira Sul, Erechim Campus, RS 135-Km 72, no 200, 99.700-000 Erechim, RS, Brazil
| | - Alexandre Folador
- Ecology and Conservation Laboratory, Federal University of Fronteira Sul, Erechim Campus, RS 135-Km 72, no 200, 99.700-000 Erechim, RS, Brazil
| | - Vrandrieli Jucieli Skovronski
- Ecology and Conservation Laboratory, Federal University of Fronteira Sul, Erechim Campus, RS 135-Km 72, no 200, 99.700-000 Erechim, RS, Brazil
| | - Caroline Müller
- Ecology and Conservation Laboratory, Federal University of Fronteira Sul, Erechim Campus, RS 135-Km 72, no 200, 99.700-000 Erechim, RS, Brazil
| | - Aline Pompermaier
- Ecology and Conservation Laboratory, Federal University of Fronteira Sul, Erechim Campus, RS 135-Km 72, no 200, 99.700-000 Erechim, RS, Brazil
| | - Paulo Afonso Hartmann
- Ecology and Conservation Laboratory, Federal University of Fronteira Sul, Erechim Campus, RS 135-Km 72, no 200, 99.700-000 Erechim, RS, Brazil
| | - Marilia Hartmann
- Ecology and Conservation Laboratory, Federal University of Fronteira Sul, Erechim Campus, RS 135-Km 72, no 200, 99.700-000 Erechim, RS, Brazil.
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Latif F, Iqbal R, Ambreen F, Kousar S, Ahmed T, Aziz S. Studies on bioaccumulation patterns, biochemical and genotoxic effects of copper on freshwater fish, Catla catla: an in vivo analysis. BRAZ J BIOL 2024; 84:e256905. [DOI: 10.1590/1519-6984.256905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 11/10/2021] [Indexed: 11/22/2022] Open
Abstract
Abstract During present study, the copper (Cu) mediated oxidative stress was measured that induced DNA damage by concentrating in the tissues of fish, Catla catla (14.45±1.24g; 84.68±1.45mm) (Hamilton,1822). Fish fingerlings were retained in 5 groups for 14, 28, 42, 56, 70 and 84 days of the exposure period. They were treated with 2/3, 1/3, 1/4 and 1/5 (T1-T4) of 96h lethal concentration of copper. Controls were run along with all the treatments for the same durations. A significant (p < 0.05) dose and time dependent concentration of Cu was observed in the gills, liver, kidney, muscles, and brain of C. catla. Among organs, the liver showed a significantly higher concentration of Cu followed by gills, kidney, brain, and muscles. Copper accumulation in these organs caused a significant variation in the activities of enzymes viz. superoxide dismutase (SOD), catalase (CAT) and peroxidase (POD). The SOD activity varied significantly in response to the exposure time of Cu as 56 > 70 > 42 > 84 > 28 > 14 days while CAT activity exhibited an inverse relationship with the increase in Cu concentration. POD activity showed a significant rise with an increase in Cu exposure duration. Comet assay exhibited significant DNA damage in the peripheral erythrocytes of Cu exposed C. catla. Among four exposure concentrations, 2/3rd of LC50 (T1) caused significantly higher damage to the nuclei compared to control. Increased POD and SOD activity, as well as a decrease in CAT activity in response to Cu, demonstrates the involvement of a protective mechanism against reactive oxygen species (ROS), whereas increased ROS resulted in higher DNA damage. These above-mentioned molecular markers can be efficiently used for the biomonitoring of aquatic environments and conservation of edible fish fauna.
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Affiliation(s)
- F. Latif
- Bahauddin Zakariya University, Pakistan
| | - R. Iqbal
- Bahauddin Zakariya University, Pakistan
| | - F. Ambreen
- Government College Women University, Pakistan
| | - S. Kousar
- Government College Women University, Pakistan
| | - T. Ahmed
- Khwaja Fareed University of Engineering and Information Technology, Pakistan
| | - S. Aziz
- University of Agriculture, Pakistan
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Dutta D, Ray A, Ghosh B, Bahadur M. Assessment of imidacloprid induced genotoxicity in Pethia conchonius (Rosy barb), a common freshwater fish of India. Drug Chem Toxicol 2024; 47:101-114. [PMID: 37326304 DOI: 10.1080/01480545.2023.2222931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/03/2023] [Accepted: 05/23/2023] [Indexed: 06/17/2023]
Abstract
Imidacloprid is one of the highly efficient, globally used neonicotinoid groups of insecticides. The indiscriminate use of imidacloprid is contaminating large water bodies affecting not only the target organisms but also non-target organisms including fish. The present study aimed to assess the extent of nuclear DNA damage by imidacloprid in Pethia conchonius a freshwater fish in India using comet and micronucleus assays. The LC50 value of imidacloprid was estimated to be 227.33 mg L-1. Based on the LC50-96 h value, three sub-lethal concentrations of imidacloprid, SLC I -18.94 mg L-1, SLC II -28.41 mg L-1 and SLC III -56.83 mg L-1 were used to detect its genotoxic effect at DNA and cellular level. The imidacloprid exposed fishes exhibited higher DNA damage and nuclear abnormalities (p < 0.05) than the control. The %head DNA, %tail DNA, tail length and the frequency of micronuclei with other nuclear abnormalities like blebbed and notched nuclei were significantly higher than the control in a time and concentration-dependent manner. The DNA damage parameters such as %head DNA (29.107 ± 1.843), %tail DNA (70.893 ± 1.843), tail length (361.431 ± 8.455) micronucleus (1.300 ± 0.019), notched (0.844 ± 0.011) and blebbed (0.811 ± 0.011) nuclei were found to be highest for SLC III (56.83 mg L-1) at 96 h. The findings indicate that IMI is highly genotoxic in fish and other vertebrates leading to mutagenic/clastogenic effects. The study will be helpful in optimization of the imidacloprid use.
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Affiliation(s)
- Debojit Dutta
- Genetics and Molecular Biology Laboratory, Department of Zoology, University of North Bengal, Darjeeling, India
| | - Arpita Ray
- Genetics and Molecular Biology Laboratory, Department of Zoology, University of North Bengal, Darjeeling, India
| | - Bappaditya Ghosh
- Genetics and Molecular Biology Laboratory, Department of Zoology, University of North Bengal, Darjeeling, India
| | - Min Bahadur
- Genetics and Molecular Biology Laboratory, Department of Zoology, University of North Bengal, Darjeeling, India
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Hossen S, Sukhan ZP, Cho Y, Kho KH. Physiological evaluation of seasonal sperm quality in a biannual spawner, Pacific abalone: Effects on in-vitro fertilization and cryotolerance. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 269:115809. [PMID: 38086264 DOI: 10.1016/j.ecoenv.2023.115809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 12/04/2023] [Accepted: 12/08/2023] [Indexed: 01/12/2024]
Abstract
Pacific abalone, Haliotis discus hannai, is a highly valuable gastropod mollusk commonly found in Southeast Asia. The present study aims to analyze the seminal plasma quality, sperm quality, and cryotolerance of the Pacific abalone sperm during its reproductive season. The seminal plasma quality was evaluated by analyzing biochemical and metabolite composition, enzymatic activity (superoxide dismutase, catalase, and glutathione), and lipid peroxidation (LPO) activity. The sperm quality was evaluated by analyzing motility, concentration, volume, ATP content, acrosome integrity (AI), plasma membrane integrity (PMI), mitochondrial membrane potential (MMP), DNA integrity, and fertilization potential. The cryotolerance capacity was evaluated by analyzing post-thaw motility, AI, PMI, MMP, and DNA integrity. Seminal plasma osmolarity was significantly higher (1123.3 ± 1.5 mOsmL-1) in May compared to other reproductive periods, with Cl- (516.8 ± 0.5 mM) and Na+ (460.2 ± 0.4 mM) as the dominant ions. The seminal plasma pH remained constant at 6.8 throughout the reproductive season. Improved enzymatic activity and lower LPO were detected in May or June. Sperm quality indicators were similar in May and June, except for sperm production. The fertilization potential (May: 93.0 ± 4.4%, June: 86.0 ± 7.2%) and hatching rate (May: 86.6 ± 5.78%, June: 82.3 ± 3.2%) of Pacific abalone were significantly higher in May or June than they were in other reproductive seasons. The motility (May: 50.19 ± 2.35%, June: 49.96 ± 1.60%), AI (May: 44.02 ± 3.46%, June: 42.16 ± 3.61%), PMI (May: 54.12 ± 3.29%, June: 52.82 ± 2.58%), and MMP (May: 44.02 ± 3.46%, June: 42.16 ± 3.61%) of the cryopreserved sperm were similar in May and June compared with those preserved in other reproductive seasons. The DNA integrity of the cryopreserved sperm was similar in May (80.3 ± 6.7%) or June (78.9 ± 7.4%) and had a higher cryotolerance than in other reproductive seasons. Hence, it can be suggested that May and/or June are suitable periods for sperm physiology experiments, artificial reproduction, and sperm cryopreservation of Pacific abalone.
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Affiliation(s)
- Shaharior Hossen
- Department of Fisheries Science, Chonnam National University, 50 Daehak-ro, Yeosu, Jeollanam-do, South Korea
| | - Zahid Parvez Sukhan
- Department of Fisheries Science, Chonnam National University, 50 Daehak-ro, Yeosu, Jeollanam-do, South Korea
| | - Yusin Cho
- Department of Fisheries Science, Chonnam National University, 50 Daehak-ro, Yeosu, Jeollanam-do, South Korea
| | - Kang Hee Kho
- Department of Fisheries Science, Chonnam National University, 50 Daehak-ro, Yeosu, Jeollanam-do, South Korea.
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11
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Campos S, Rodrigo AP, Moutinho Cabral I, Mendes VM, Manadas B, D’Ambrosio M, Costa PM. An Exploration of Novel Bioactives from the Venomous Marine Annelid Glycera alba. Toxins (Basel) 2023; 15:655. [PMID: 37999518 PMCID: PMC10674444 DOI: 10.3390/toxins15110655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/03/2023] [Accepted: 11/11/2023] [Indexed: 11/25/2023] Open
Abstract
The immense biodiversity of marine invertebrates makes them high-value targets for the prospecting of novel bioactives. The present study investigated proteinaceous toxins secreted by the skin and proboscis of Glycera alba (Annelida: Polychaeta), whose congenerics G. tridactyla and G. dibranchiata are known to be venomous. Proteomics and bioinformatics enabled the detection of bioactive proteins that hold potential for biotechnological applications, including toxins like glycerotoxins (GLTx), which can interfere with neuromuscular calcium channels and therefore have value for the development of painkillers, for instance. We also identified proteins involved in the biosynthesis of toxins. Other proteins of interest include venom and toxin-related bioactives like cysteine-rich venom proteins, many of which are known to interfere with the nervous system. Ex vivo toxicity assays with mussel gills exposed to fractionated protein extracts from the skin and proboscis revealed that fractions potentially containing higher-molecular-mass venom proteins can exert negative effects on invertebrate prey. Histopathology, DNA damage and caspase-3 activity suggest significant cytotoxic effects that can be coadjuvated by permeabilizing enzymes such as venom metalloproteinases M12B. Altogether, these encouraging findings show that venomous annelids are important sources of novel bioactives, albeit illustrating the challenges of surveying organisms whose genomes and metabolisms are poorly understood.
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Affiliation(s)
- Sónia Campos
- Associate Laboratory i4HB Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal; (S.C.); (A.P.R.); (I.M.C.)
- UCIBIO Applied Molecular Biosciences Unit, Department of Life Sciences, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
| | - Ana P. Rodrigo
- Associate Laboratory i4HB Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal; (S.C.); (A.P.R.); (I.M.C.)
- UCIBIO Applied Molecular Biosciences Unit, Department of Life Sciences, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
| | - Inês Moutinho Cabral
- Associate Laboratory i4HB Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal; (S.C.); (A.P.R.); (I.M.C.)
- UCIBIO Applied Molecular Biosciences Unit, Department of Life Sciences, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
| | - Vera M. Mendes
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, 3060-197 Cantanhede, Portugal; (V.M.M.); (B.M.)
| | - Bruno Manadas
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, 3060-197 Cantanhede, Portugal; (V.M.M.); (B.M.)
| | - Mariaelena D’Ambrosio
- Associate Laboratory i4HB Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal; (S.C.); (A.P.R.); (I.M.C.)
- UCIBIO Applied Molecular Biosciences Unit, Department of Life Sciences, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
| | - Pedro M. Costa
- Associate Laboratory i4HB Institute for Health and Bioeconomy, NOVA School of Science and Technology, NOVA University Lisbon, 2829-516 Caparica, Portugal; (S.C.); (A.P.R.); (I.M.C.)
- UCIBIO Applied Molecular Biosciences Unit, Department of Life Sciences, NOVA School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
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12
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Sharma K, Koundal S, Chadha P, Saini HS. Assessment of textile industry effluent (untreated and microbially treated) induced genotoxic, haematological, biochemical, histopathological and ultrastructural alterations in fresh water fish Channa punctata. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:112086-112103. [PMID: 37824055 DOI: 10.1007/s11356-023-30057-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 09/20/2023] [Indexed: 10/13/2023]
Abstract
The unregulated expulsion of untreated textile water into water bodies is a major hazard to aquatic ecosystems. The present investigation was contrived to estimate the impact of textile dye bath effluent (untreated and microbially treated) on fish Channa punctata. Untreated effluent-exposed fish showed extremely altered behaviour (air gulping, erratic and speedy movements, increased opercular activity) and morphology (deposition of dyes on skin and scales, high pigmentation, mucus exudation). Significantly increased micronuclei (1.61-, 1.28-, 1.38-fold) and aberrant cell frequency (1.37-, 1.45-, 1.28-fold) was observed in untreated group as compared to treated group after 15, 30, and 45 days of exposure. Tail length, % tail intensity, tail moment and olive tail moment were also enhanced in all the exposed tissues. However, maximum damage was noticed in gill tissues showing 1.19-, 1.37-, 1.34- and 1.50-fold increased TL, %TI, TM and OTM in untreated group as compared to treated group after 45 days of exposure. On comparing untreated and treated groups, increased blood parameters and significantly reduced white blood cell count (WBC) were noticed in treated group. Significantly enhanced alterations in biochemical parameters were also analysed in untreated group. Reduced alterations in enzymological levels of fishes exposed to treated effluent indicate lesser toxic nature of the degraded metabolites of dye. Histological analysis in fishes exposed to untreated effluent showed several deformities in liver (necrosis, congestion, fusion of cells and melanomacrophage infiltration) and gill tissues (necrosis, bending of lamellae and severe aneurysm). Scanning electron microscopy (SEM) analysis further reaffirmed the pathologies observed in histological analysis. Fewer structural alterations were noticed in treated effluent fishes. The results concluded that untreated effluent inflicted toxicity potential on morphology as well as physiological defects in fish, and the severity increased with increasing duration of exposure, whereas reduction in toxicity in microbially treated groups can be analysed for aquacultural purposes owing to their lesser toxic nature.
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Affiliation(s)
- Khushboo Sharma
- Cytogenetics Lab, Department of Zoology, Guru Nanak Dev University, Amritsar, 143005, India
| | - Satish Koundal
- Department of Microbiology, Guru Nanak Dev University, Amritsar, 143005, India
| | - Pooja Chadha
- Cytogenetics Lab, Department of Zoology, Guru Nanak Dev University, Amritsar, 143005, India.
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13
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Gendron AD, Lacaze É, Taranu ZE, Gouge R, Larbi-Youcef Y, Houde M, André C, Gagné F, Triffault-Bouchet G, Giroux I. The Comet Assay, a Sensitive Biomarker of Water Quality Improvement Following Adoption of Beneficial Agricultural Practices? ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:2201-2214. [PMID: 37417785 DOI: 10.1002/etc.5711] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/15/2023] [Accepted: 07/06/2023] [Indexed: 07/08/2023]
Abstract
Numerous actions have been undertaken by farmers to attenuate the impact of agricultural activities on aquatic ecosystems. The identification of biomarkers that respond quickly to water quality improvement could facilitate the assessment of adopted alternative practices and help maintain mobilization among stakeholders. We evaluated the potential of the comet assay, a biomarker of genotoxic effects, using a freshwater mussel, Elliptio complanata, as a model animal. The frequency of DNA damage was assessed in hemocytes of mussels collected from a pristine habitat and caged for 8 weeks in the Pot au Beurre River, a tributary of the fluvial Lake St.-Pierre (Quebec, Canada) impacted by agricultural activities. We found that the level of DNA damage naturally induced in mussel hemocytes was low and showed very limited variations over time. Compared with these baseline levels and to laboratory controls, we observed a doubling in DNA alterations in mussels exposed to agricultural runoff in the third branch of the Pot au Beurre River. The genotoxic response was significantly lower in mussels caged in the first branch of the Pot au Beurre River, where longer stretches of shoreline have been restored as buffer strips. Glyphosate, mesotrione, imazethapyr, and metolachlor were the main discriminant pesticides between these two branches. Metolachlor was found in sufficient concentrations to induce DNA damage, but it is more likely that the observed genotoxicity was the result of a "cocktail effect," that is, the cumulative contribution of coexisting genotoxicants including the above-mentioned herbicides and ingredients in their formulation. Our findings suggest that the comet assay is a sensitive tool for the early detection of changes in water toxicity following the adoption of agricultural beneficial practices. Environ Toxicol Chem 2023;42:2201-2214. © 2023 Crown copyright and The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC. This article is published with the permission of the Controller of HMSO and the King's Printer for Scotland.
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Affiliation(s)
- Andrée D Gendron
- Aquatic Contaminants Research Division, Department of Environment and Climate Change, Montreal, Quebec, Canada
| | - Émilie Lacaze
- Aquatic Contaminants Research Division, Department of Environment and Climate Change, Montreal, Quebec, Canada
| | - Zofia E Taranu
- Aquatic Contaminants Research Division, Department of Environment and Climate Change, Montreal, Quebec, Canada
| | - Rebecca Gouge
- Compliance Promotion and Marine Programs, Environmental Protection Operations, Department of Environment and Climate Change, Montreal, Quebec, Canada
| | - Yasmina Larbi-Youcef
- Direction Aménagement du Territoire et Développement Régional, Fédération de l'Union des producteurs agricoles de la Montérégie, Saint-Hyacinthe, Quebec, Canada
| | - Magali Houde
- Aquatic Contaminants Research Division, Department of Environment and Climate Change, Montreal, Quebec, Canada
| | - Chantale André
- Aquatic Contaminants Research Division, Department of Environment and Climate Change, Montreal, Quebec, Canada
| | - François Gagné
- Aquatic Contaminants Research Division, Department of Environment and Climate Change, Montreal, Quebec, Canada
| | - Gaëlle Triffault-Bouchet
- Division Écotoxicologie et Évaluation du risque, Centre d'expertise en analyse environnementale du Québec, Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs, Québec, Quebec, Canada
| | - Isabelle Giroux
- Direction générale du suivi de l'état de l'environnement, Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs, Québec, Quebec, Canada
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14
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de Mello Souza T, Choueri RB, Nobre CR, de Souza Abessa DM, Moreno BB, Carnaúba JH, Mendes GI, de Albergaria-Barbosa ACR, Simões FR, Gusso-Choueri PK. Interactive effects of microplastics and benzo[a]pyrene on two species of marine invertebrates. MARINE POLLUTION BULLETIN 2023; 193:115170. [PMID: 37329735 DOI: 10.1016/j.marpolbul.2023.115170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 06/07/2023] [Accepted: 06/09/2023] [Indexed: 06/19/2023]
Abstract
This study aimed to evaluate B[a]P and low-density polyethylene microplastics (MPs) toxicty, alone and in mixture (0.03 to 30 μg L-1 of B[a]P; and 5, 50 and 500 mg L-1 for MPs). Five mg L-1 of MPs is considerably higher than commonly reported environmental concentrations, although it has been reported for marine environments. Individual (sea urchin embryo-larval development and mortality of mysids) and sub-individual responses (LPO and DNA damage in mysids) were assessed. The toxicity increased as the B[a]P concentration increased, and microplastics alone did not cause toxicity. B[a]P toxicity was not modified by the lowest concentration of MPs (5 mg L-1), but at higher MPs concentrations (50 and 500 mg L-1), the effects of B[a]P on sea urchin development and in biomarkers in mysids were diminished. Microplastics interacted with B[a]P in seawater, reducing its toxicity, probably due to adsorption of B[a]P to the surface of microplastics.
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Affiliation(s)
- Tawany de Mello Souza
- Universidade Santa Cecília (Unisanta), R. Oswaldo Cruz, 277, Boqueirão, 11045-907 Santos, São Paulo, Brazil; Laboratório de Ecotoxicologia - ALS Life Sciences Brasil - Food & Agro, R. Fábia, 59, Vila Romana, 05051-030 São Paulo, SP, Brazil
| | - Rodrigo Brasil Choueri
- Departamento de Ciências do Mar, Instituto do Mar, Universidade Federal de São Paulo (Unifesp), Campus Baixada Santista. Rua Maria Máximo, 168, Ponta da Praia, 11030-100 Santos, São Paulo, Brazil.
| | - Caio Rodrigues Nobre
- Laboratório de Ecotoxicologia - ALS Life Sciences Brasil - Food & Agro, R. Fábia, 59, Vila Romana, 05051-030 São Paulo, SP, Brazil
| | - Denis Moledo de Souza Abessa
- NEPEA, Campus do Litoral Paulista, Universidade Estadual Paulista Júlio de Mesquita Filho (Unesp), Praça Infante Dom Henrique, s/n, 11330-900 São Vicente, São Paulo, Brazil
| | - Beatriz Barbosa Moreno
- Departamento de Ciências do Mar, Instituto do Mar, Universidade Federal de São Paulo (Unifesp), Campus Baixada Santista. Rua Maria Máximo, 168, Ponta da Praia, 11030-100 Santos, São Paulo, Brazil
| | - José Hérelis Carnaúba
- Programa de Pós-Graduação em Química: Ciência e Tecnologia da Sustentabilidade, Universidade Federal de São Paulo (Unifesp), Diadema, São Paulo, Brazil
| | - Gabriel Izar Mendes
- Laboratório de Geoquímica Marinha, Instituto de Geociências, Universidade Federal da Bahia (UFBA), Rua Barão de Jeremoabo, s/n, Campus Ondina, 40170-115 Salvador, Bahia, Brazil; Laboratório de Estudos do Petróleo, Instituto de Geociências, Universidade Federal da Bahia (UFBA), Rua Barão de Jeremoabo, s/n, Campus Ondina, 40170-115 Salvador, Bahia, Brazil
| | - Ana Cecilia Rizzatti de Albergaria-Barbosa
- Laboratório de Geoquímica Marinha, Instituto de Geociências, Universidade Federal da Bahia (UFBA), Rua Barão de Jeremoabo, s/n, Campus Ondina, 40170-115 Salvador, Bahia, Brazil; Laboratório de Estudos do Petróleo, Instituto de Geociências, Universidade Federal da Bahia (UFBA), Rua Barão de Jeremoabo, s/n, Campus Ondina, 40170-115 Salvador, Bahia, Brazil
| | - Fábio Ruiz Simões
- Departamento de Ciências do Mar, Instituto do Mar, Universidade Federal de São Paulo (Unifesp), Campus Baixada Santista. Rua Maria Máximo, 168, Ponta da Praia, 11030-100 Santos, São Paulo, Brazil
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15
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Fahmy HM, Abdel-Rahman FM, El-Sayed AA, El-Sherif AA. Study of novel bidentate heterocyclic amine-based metal complexes and their biological activities: cytotoxicity and antimicrobial activity evaluation. BMC Chem 2023; 17:78. [PMID: 37454081 PMCID: PMC10349454 DOI: 10.1186/s13065-023-00996-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 06/30/2023] [Indexed: 07/18/2023] Open
Abstract
Metallic antitumor drugs with heterocyclic ligands, such as novel AMI (amino methyl imidazole) complexes [Pd(AMI)Cl2](1), [Cu(AMI)L1](2), and [Cu(AMI)L2·2H2O](3) where L1 = oxalate and L2 = malonate, were synthesized and characterized. Assessments included elemental analyses, mass spectrometry, Fourier transform-infrared spectroscopy, ultraviolet-visible spectroscopy, and thermal analysis. The cytotoxicity of AMI complexes compared to cisplatin was assessed using MTT (3-[4,5-dimethylthiazol-2-yl] 2,5diphenyl tetrazolium bromide) assay with breast (MCF-7) and cervical (HeLa) cancer cell lines. After treating these cells with the AMI complexes' IC50 values for 48 h, malondialdehyde levels and catalase activity were used to assess oxidative stress, antioxidant activity was evaluated with DPPH radical scavenging method, comet assays assessed DNA damage, and DNA fragmentation was evaluated using the gel electrophoresis. In vitro, antimicrobial activity was assessed using a disc diffusion method. The anticancer activity results showed that IC50 (half-maximal inhibitory concentration) values of complex one, two, and three against MCF-7 and HeLa cancer cells are 0.156 ± 0.0006, 0.125 ± 0.001, 0.277 ± 0.002 μM respectively for MCF-7 cells and 0.222 ± 0.0005, 0.126 ± 0.0009, 0.152 ± 0.001 μM respectively for HeLa cells. Complex two demonstrated strong anticancer activity against MCF-7 and Hela cells. The study of oxidative stress parameters revealed that Malondialdehyde levels increased in cancer cell lines treated with complexes compared to untreated cells. Catalase activity decreased in cells treated with palladium chelate. The DPPH radical scavenging assay results identified that complex one was a more potent antioxidant in MCF-7 and Hela cells than other complexes with SC50 values of 227.5 ± 0.28 and 361 ± 1.2 μL/mL, respectively. The comet assay results showed that complex two caused significant DNA damage in MCF-7 and HeLa cancer cells treated. Antimicrobial assays identified complex three as the most effective. Copper complexes give better antifungal activity against A. flavus than the palladium complex. We conclude that complex two is the most active in both cell types and might be assessed as a clinically useful drug for breast cancer treatment. The significance of the current study is the synthesis of antitumor drugs containing heterocyclic ligands, such as novel AMI complexes, and the study of their biological activities.
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Affiliation(s)
- Heba M Fahmy
- Biophysics Department, Faculty of Science, Cairo University, Giza, Egypt.
| | | | - Anwar A El-Sayed
- Biophysics Department, Faculty of Science, Cairo University, Giza, Egypt
| | - Ahmed A El-Sherif
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
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16
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Hong Y, Huang Y, Dong Y, Xu D, Huang Q, Huang Z. Cytotoxicity induced by abamectin in hepatopancreas cells of Chinese mitten crab, Eriocheir sinensis: An in vitro assay. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 262:115198. [PMID: 37390728 DOI: 10.1016/j.ecoenv.2023.115198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 06/19/2023] [Accepted: 06/26/2023] [Indexed: 07/02/2023]
Abstract
Toxic effects of abamectin on non-target aquatic organisms have been well documented due to its extensive use in both agricultural and aquacultural areas. However, knowledge of the abamectin induced cytotoxicity in crustacean hepatopancreas is still incomplete. In this study, we investigated the cytotoxic effects of abamectin on hepatopancreas cells of Chinese mitten crab, Eriocheir sinensis by an in vitro assay. The results showed that abamectin inhibited cell viability with elevated reactive oxygen species (ROS) and malondialdehyde (MDA) levels in a dose-dependent manner. Increased olive tail moment (OTM) values and 8-hydroxy-2'-deoxyguanosine (8-OHdG) contents indicate the DNA damage under abamectin exposure. The up-regulation of the typical apoptosis-related protein BCL2-associated X protein (Bax) and the down-regulation of B cell leukemia/lymphoma 2 (Bcl-2) demonstrate apoptosis in hepatopancreas cells. Meanwhile, the activities of both caspase-3 and caspase-9 were increased, indicating caspase-mediated apoptosis. In addition, qRT-PCR results showed the up-regulation of antioxidant genes superoxide dismutase (SOD) and catalase (CAT). The mRNA expression of Cap 'n' Collar isoform-C (CncC) and c-Jun NH2-terminal kinases (JNK) was also significantly increased, implying the involvement of the Nrf2/MAPK pathway in the antioxidative response. The alteration of innate immune-associated genes Toll-like receptor (TLR) and myeloid differentiation primary response gene 88 (Myd88) also indicates the influence of abamectin on immune status. In summary, the present study reveals the cytotoxicity of abamectin on hepatopancreas cells of E. sinensis and this in vitro cell culture model could be used for further assessment of pesticide toxicity.
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Affiliation(s)
- Yuhang Hong
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang 415000, Sichuan, China; Key Laboratory of Animal Disease Detection and Prevention in Panxi District, Xichang University, Xichang 415000, China
| | - Yi Huang
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang 415000, Sichuan, China
| | - Yanzhen Dong
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang 415000, Sichuan, China
| | - Dayong Xu
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang 415000, Sichuan, China
| | - Qiang Huang
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang 415000, Sichuan, China
| | - Zhiqiu Huang
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang 415000, Sichuan, China; Key Laboratory of Animal Disease Detection and Prevention in Panxi District, Xichang University, Xichang 415000, China.
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17
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Ferreira MF, Turner A, Vernon EL, Grisolia C, Lebaron-Jacobs L, Malard V, Jha AN. Tritium: Its relevance, sources and impacts on non-human biota. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 876:162816. [PMID: 36921857 DOI: 10.1016/j.scitotenv.2023.162816] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/06/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
Tritium (3H) is a radioactive isotope of hydrogen that is abundantly released from nuclear industries. It is extremely mobile in the environment and in all biological systems, representing an increasing concern for the health of both humans and non-human biota (NHB). The present review examines the sources and characteristics of tritium in the environment, and evaluates available information pertaining to its biological effects at different levels of biological organisation in NHB. Despite an increasing number of publications in the tritium radiobiology field, there exists a significant disparity between data available for the different taxonomic groups and species, and observations are heavily biased towards marine bivalves, fish and mammals (rodents). Further limitations relate to the scarcity of information in the field relative to the laboratory, and lack of studies that employ forms of tritium other than tritiated water (HTO). Within these constraints, different responses to HTO exposure, from molecular to behavioural, have been reported during early life stages, but the potential transgenerational effects are unclear. The application of rapidly developing "omics" techniques could help to fill these knowledge gaps and further elucidate the relationships between molecular and organismal level responses through the development of radiation specific adverse outcome pathways (AOPs). The use of a greater diversity of keystone species and exposures to multiple stressors, elucidating other novel effects (e.g., by-stander, germ-line, transgenerational and epigenetic effects) offers opportunities to improve environmental risk assessments for the radionuclide. These could be combined with artificial intelligence (AI) including machine learning (ML) and ecosystem-based approaches.
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Affiliation(s)
- Maria Florencia Ferreira
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
| | - Andrew Turner
- School of Geography, Earth and Environmental Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
| | - Emily L Vernon
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
| | | | | | - Veronique Malard
- Aix Marseille Univ, CEA, CNRS, BIAM, IPM, F-13108 Saint Paul-Lez-Durance, France
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK.
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18
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Jeyavani J, Sibiya A, Stalin T, Vigneshkumar G, Al-Ghanim KA, Riaz MN, Govindarajan M, Vaseeharan B. Biochemical, Genotoxic and Histological Implications of Polypropylene Microplastics on Freshwater Fish Oreochromis mossambicus: An Aquatic Eco-Toxicological Assessment. TOXICS 2023; 11:toxics11030282. [PMID: 36977047 PMCID: PMC10052786 DOI: 10.3390/toxics11030282] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/14/2023] [Accepted: 03/16/2023] [Indexed: 05/27/2023]
Abstract
In recent years, polypropylene microplastic has persisted in freshwater ecosystems and biota, forming ever-growing threats. This research aimed to prepare polypropylene microplastics and evaluate their toxicity to the filter feeder Oreochromis mossambicus. In this research, fish were given a dietary supplement of polypropylene microplastics at 100, 500, and 1000 mg/kg for acute (96 h) and sub-acute (14 days) durations to assess toxic effects on liver tissues. FTIR results revealed the presence of polypropylene microplastic in their digestion matter. The ingestion of microplastics in O. mossambicus led to fluctuations in homeostasis, an upsurge in reactive oxygen species (ROS) levels, an alteration in antioxidant parameters, including superoxide dismutase (SOD), catalase (CAT), glutathione-S-transferase (GST), and glutathione peroxidase (GPx); a promotion in the oxidation of lipid molecules; and a denaturation in the neurotransmitter enzyme acetylcholinesterase (AChE). Our data indicated that sustained exposure to microplastics (14 days) produced a more severe threat than acute exposure (96 h). In addition, higher apoptosis, DNA damage (genotoxicity), and histological changes were found in the liver tissues of the sub-acute (14 days) microplastics-treated groups. This research indicated that the constant ingestion of polypropylene microplastics is detrimental to freshwater environments and leads to ecological threats.
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Affiliation(s)
- Jeyaraj Jeyavani
- Biomaterials and Biotechnology in Animal Health Lab., Department of Animal Health and Management, Alagappa University, Karaikudi 630003, Tamil Nadu, India
| | - Ashokkumar Sibiya
- Biomaterials and Biotechnology in Animal Health Lab., Department of Animal Health and Management, Alagappa University, Karaikudi 630003, Tamil Nadu, India
| | - Thambusamy Stalin
- Department of Industrial Chemistry, Alagappa University, Karaikudi 630003, Tamil Nadu, India
| | - Ganesan Vigneshkumar
- Department of Industrial Chemistry, Alagappa University, Karaikudi 630003, Tamil Nadu, India
| | - Khalid A. Al-Ghanim
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | | | - Marimuthu Govindarajan
- Unit of Mycology and Parasitology, Department of Zoology, Annamalai University, Annamalainagar 608002, Tamil Nadu, India;
- Unit of Natural Products and Nanotechnology, Department of Zoology, Government College for Women (Autonomous), Kumbakonam 612001, Tamil Nadu, India
| | - Baskaralingam Vaseeharan
- Biomaterials and Biotechnology in Animal Health Lab., Department of Animal Health and Management, Alagappa University, Karaikudi 630003, Tamil Nadu, India
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19
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Goldoni A, Pacheco MR, da Silva LB. Comet assay in Aegla platensis (Decapoda: Anomura) using a non-lethal hemolymph field sampling for in situ monitoring of freshwater genotoxicity. ECOTOXICOLOGY (LONDON, ENGLAND) 2023; 32:160-165. [PMID: 36680665 DOI: 10.1007/s10646-023-02627-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] [Accepted: 01/11/2023] [Indexed: 06/17/2023]
Abstract
This study aimed to apply the comet assay on Aegla platensis crabs as a suitable non-destructive approach for in situ monitoring of freshwater genotoxicity. Animals were captured during four sampling periods in a stream under minor anthropogenic impacts in Southern Brazil. Crabs were captured with a hand net, then the hemolymph samples were collected, and the animals were released into the stream after a 20-min recovery time. Hemolymph samples were transported to the laboratory and used to perform the alkaline comet assay. Results showed an intermediate level in the DNA damage index (range 107.3-165.0 arbitrary unit). No significant differences were observed among the different sampling periods. Hemolymph was successfully used as a non-lethal source of biological samples, and the comet assay using A. platensis proved to be a feasible approach for genotoxicity studies.
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Affiliation(s)
- Angélica Goldoni
- Feevale University, ERS-239, 2755, Novo Hamburgo, Rio Grande do Sul, Brazil
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20
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Morad MY, El-Sayed H, El-Khadragy MF, Abdelsalam A, Ahmed EZ, Ibrahim AM. Metabolomic Profiling, Antibacterial, and Molluscicidal Properties of the Medicinal Plants Calotropis procera and Atriplex halimus: In Silico Molecular Docking Study. PLANTS (BASEL, SWITZERLAND) 2023; 12:477. [PMID: 36771561 PMCID: PMC9920412 DOI: 10.3390/plants12030477] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/11/2023] [Accepted: 01/14/2023] [Indexed: 06/18/2023]
Abstract
The potential of plant-based natural compounds in the creation of new molluscicidal and antimicrobial medications has gained attention in recent years. The current study compared the metabolic profiles, antibacterial, and molluscicidal properties of the medicinal plants Calotropis procera (C. procera) and Atriplex halimus (A. halimus). In both plants, 118 metabolites were identified using gas chromatography-mass spectrometry. Palmitic acid, stigmasterol, and campesterol were the most prevalent constituents. C. procera extract showed stronger antibacterial activity than A. halimus against Escherichia coli and Proteus mirabilis. Both extracts exhibited molluscicidal activity against Biomphalaria alexandrina, with LC50 values of C. procera (135 mg/L) and A. halimus (223.8 mg/L). Survival rates of snails exposed to sub-lethal concentrations (LC25) of C. procera and A. halimus extracts were 5% and 20%, respectively. The hatchability of snail eggs exposed to both extracts has been dramatically reduced. Both extracts significantly decreased the levels of alkaline phosphatase, acid phosphatase, total protein, and albumin in snails, as well as causing DNA damage and resulting in numerous hermaphrodite and digestive gland damages and distortions. Molecular docking showed palmitic acid binding with acid, alkaline, and alanine aminotransferases in treated digestive gland snails. In conclusion, C. procera and A. halimus have antibacterial and molluscicidal properties.
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Affiliation(s)
- Mostafa Y. Morad
- Zoology and Entomology Department, Faculty of Science, Helwan University, Helwan 11795, Egypt
| | - Heba El-Sayed
- Botany and Microbiology Department, Faculty of Science, Helwan University, Helwan 11795, Egypt
| | - Manal F. El-Khadragy
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Asmaa Abdelsalam
- Botany and Microbiology Department, Faculty of Science, Helwan University, Helwan 11795, Egypt
| | - Eman Zakaria Ahmed
- Botany and Microbiology Department, Faculty of Science, Helwan University, Helwan 11795, Egypt
| | - Amina M. Ibrahim
- Medical Malacology Department, Theodor Bilharz Research Institute, Giza 12411, Egypt
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21
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França WWM, da Silva AM, Diniz EGM, Silva HAMF, Pereira DR, De Melo AMMA, Coelho LCBB, de Azevedo Albuquerque MCP, de Araújo HDA, de Lima Aires A. Toxic, cytotoxic and genotoxic effect of plumbagin in the developmental stages of Biomphalaria glabrata (Say, 1818-intermediate host) and cercaricidal activity against the infectious agent of schistosomiasis mansoni. PEST MANAGEMENT SCIENCE 2022; 78:5172-5183. [PMID: 36053991 DOI: 10.1002/ps.7136] [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: 12/22/2021] [Revised: 06/07/2022] [Accepted: 08/20/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Snails of the genus Biomphalaria are intermediate hosts of Schistosoma mansoni, the main etiological agent of schistosomiasis mansoni, which affects about 236.6 million people in tropical and subtropical regions of the world. The World Health Organization recommends the population control of vector snails as one of the strategies to reduce the prevalence and incidence of schistosomiasis. In this study, molluscicidal and antiparasitic activities of plumbagin, a naturally sourced naphthoquinone with a range of biological effects, were evaluated against B. glabrata and cercariae of S. mansoni. RESULTS After 24 h of exposure, plumbagin demonstrated molluscicidal activity at low concentrations against embryos (LC50 of 0.56, 0.93, 0.68, 0.51 and 0.74 μg mL-1 for the blastula, gastrula, trochophore, veliger and hippo stage, respectively) and adult snails (LC50 of 3.56 μg mL-1 ). There were no changes in exposed snails' fecundity or fertility; however, plumbagin was able to increase the frequency of DNA damage and the number of hemocytes, with apoptosis and binucleation being the main hemocyte alterations. In addition, plumbagin showed death of S. mansoni cercariae in the concentration of 1.5 μg mL-1 in 60 min, while showing moderate toxicity to Artemia salina. CONCLUSION Plumbagin proved to be a promising substance for the control of B. glabrata population, intermediate host of S. mansoni, as well as the cercariae, infective stage for humans (definitive host), while being moderately toxic to A. salina, a crustacean widely used in ecotoxicity tests. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Wilza Wanessa Melo França
- Centro de Biociências, Programa de Pós-graduação em Morfotecnologia, Universidade Federal de Pernambuco, Recife, Brazil
- Laboratório de Imunopatologia Keizo Asami (LIKA), Universidade Federal de Pernambuco, Recife, Brazil
| | - Adriana Maria da Silva
- Laboratório de Imunopatologia Keizo Asami (LIKA), Universidade Federal de Pernambuco, Recife, Brazil
| | | | | | - Dewson Rocha Pereira
- Departamento de Biofísica e Radiobiologia, Universidade Federal de Pernambuco, Recife, Brazil
| | | | | | - Mônica Camelo Pessoa de Azevedo Albuquerque
- Laboratório de Imunopatologia Keizo Asami (LIKA), Universidade Federal de Pernambuco, Recife, Brazil
- Departamento de Medicina Tropical, Centro de Ciências Médicas, Universidade Federal de Pernambuco, Recife, Brazil
| | - Hallysson Douglas Andrade de Araújo
- Departamento de Biofísica e Radiobiologia, Universidade Federal de Pernambuco, Recife, Brazil
- Departamento de Bioquímica, Universidade Federal de Pernambuco (UFPE), Recife, Brazil
| | - André de Lima Aires
- Centro de Biociências, Programa de Pós-graduação em Morfotecnologia, Universidade Federal de Pernambuco, Recife, Brazil
- Laboratório de Imunopatologia Keizo Asami (LIKA), Universidade Federal de Pernambuco, Recife, Brazil
- Departamento de Medicina Tropical, Centro de Ciências Médicas, Universidade Federal de Pernambuco, Recife, Brazil
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22
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Sotero DF, Benvindo-Souza M, Pereira de Freitas R, de Melo E Silva D. Bats and pollution: Genetic approaches in ecotoxicology. CHEMOSPHERE 2022; 307:135934. [PMID: 35952787 DOI: 10.1016/j.chemosphere.2022.135934] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 06/21/2022] [Accepted: 07/31/2022] [Indexed: 06/15/2023]
Abstract
Environmental pollution drives the decline of species and, as flying mammals, bats can be considered to be excellent indicators of environmental quality, and the analysis of genetic biomarkers in these animals can provide important parameters for the assessment of environmental health. This review verifies the trends in pollution research, in particular, the use of genetic markers in the study of bats, based on a literature search of the Web of Science and Scopus platforms. Sixteen publications were identified during the search, which focused on the timeframe between 1996 and March 2022, including investigations of the effects of heavy metals, agricultural pesticides, and radiation. The studies were based primarily on the application of biomarkers for genotoxic analysis, including the comet assay, micronucleus test, and the Polymerase Chain Reaction (PCR). Only 55 bat species have been investigated up to now, that is, 4% of the 1447 currently recognized. In general, bats exposed to polluted environments presented a higher frequency of genotoxic and mutagenic damage than those sampled in clean environments. Given the importance of the diverse ecological functions provided by bats, including pest control, pollination, and seed dispersal, it is increasingly necessary to investigate the damage caused to the health of these animals exposed to areas with high concentrations of contaminants. Although genetic biomarkers have been used to investigate physiological parameters in bats for more than two decades, then, many knowledge gaps remain, worldwide, in terms of the number of species and localities investigated.
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Affiliation(s)
- Daiany Folador Sotero
- Graduate Program in Genetics and Molecular Biology. Institute of Biological Sciences, Mutagenesis Laboratory, Goiânia, Goiás, Brazil; Graduate Program in Environmental Sciences, Graduate School, Goiânia, Goiás, Brazil.
| | | | | | - Daniela de Melo E Silva
- Graduate Program in Genetics and Molecular Biology. Institute of Biological Sciences, Mutagenesis Laboratory, Goiânia, Goiás, Brazil; Graduate Program in Environmental Sciences, Graduate School, Goiânia, Goiás, Brazil.
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23
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Turan F, Yilmaz MB, Yola ML, Ergenler A, Ilgaz NS, Oksuz H. Bioaccumulation of trace metals and genotoxicity responses in Liza aurata as an indicator of industrial pollution. ECOTOXICOLOGY (LONDON, ENGLAND) 2022; 31:1390-1402. [PMID: 36223039 DOI: 10.1007/s10646-022-02591-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/17/2022] [Indexed: 06/16/2023]
Abstract
Heavy metal contamination in the coastal and marine ecosystems is becoming a serious risk to aquatic organisms and humans. This study reports the effects, including genetic damage, of accumulations of trace metals on Liza aurata, which is used as a bio-indicator species, in the Payas coast of Iskenderun Bay, north-eastern Mediterranean by COMET Assay. L. aurata were seasonally collected from a sampling site and a reference site for one year. Physicochemical parameters in water and trace metals in the tissues of fish collected from these sites were determined by electrochemical techniques. High DNA damage frequency in L. aurata was observed along the Payas coast of Iskenderun Bay compared to the reference site because of pollutants. The detected high levels of Cd, Pb, Fe and Cu accumulation in L. aurata exceed the maximum levels allowed by the national and international limit values. Significant positive correlations between Cd, Pb, Hg, Cr, Fe, Zn, and Cu accumulations and DNA damage parameters were observed in the present study. Additionally, we first reported the successful use of the electrochemical technique in the determination of trace metal concentrations in mullet. Moreover, L. aurata constitutes a key tool as a sentinel organism for biomonitoring of coastal ecosystems.
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Affiliation(s)
- Funda Turan
- Faculty of Marine Science and Technology, Iskenderun Technical University, 31200, Iskenderun, Hatay, Turkey.
| | - M Bertan Yilmaz
- Faculty of Medicine, Cukurova University, 01130, Saricam, Adana, Turkey
| | - M Lütfi Yola
- Faculty of Health Sciences, Hasan Kalyoncu University, Gaziantep, Turkey
| | - Aysegul Ergenler
- Faculty of Marine Science and Technology, Iskenderun Technical University, 31200, Iskenderun, Hatay, Turkey
| | - N Seda Ilgaz
- Faculty of Medicine, Cukurova University, 01130, Saricam, Adana, Turkey
| | - Hale Oksuz
- Faculty of Medicine, Cukurova University, 01130, Saricam, Adana, Turkey
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24
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Marçal R, Pacheco M, Guilherme S. Unveiling the nexus between parental exposure to toxicants and heritable spermiotoxicity - Is life history a shield or a shadow? ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2022; 95:103955. [PMID: 35970510 DOI: 10.1016/j.etap.2022.103955] [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: 03/29/2022] [Revised: 08/03/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
The knowledge on parental experiences is critical to predict how organisms react to environmental challenges. So, the DNA integrity of Procambarus clarkii spermatozoa exposed ex vivo to the herbicide penoxsulam (Px) or ethyl methanesulfonate (EMS; model genotoxicant) was assessed with and without the influence of in vivo parental exposure to the same agents. The parental exposure alone did not affect the DNA of unexposed spermatozoa. However, the history of Px exposure increased the vulnerability to oxidative lesions in Px-exposed offspring. Otherwise, parental exposure to EMS allowed the development of protection mechanisms expressed when F1 was also exposed to EMS, unveiling life history as a shield. The parental exposure to a different agent adverse and decisively affected Px spermiotoxic potential, pointing out life history as a shadow to progeny. Given the complexity of the aquatic contamination scenarios, involving mixtures, the spermiotoxicity of Px to wild P. clarkii populations emerged as probable.
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Affiliation(s)
- R Marçal
- Centre for Environmental and Marine Studies (CESAM), Department of Biology University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
| | - M Pacheco
- Centre for Environmental and Marine Studies (CESAM), Department of Biology University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - S Guilherme
- Centre for Environmental and Marine Studies (CESAM), Department of Biology University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
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25
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Hacıoğlu Doğru N, Gül Çİ, Çördük N, Tosunoğlu M. Determination of the effects of environmental pollution on the Balkan terrapin, Mauremys rivulata (Valenciennes, 1833). Acta Vet Hung 2022; 70:245-253. [PMID: 36178766 DOI: 10.1556/004.2022.00027] [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: 11/09/2021] [Accepted: 09/05/2022] [Indexed: 11/19/2022]
Abstract
The effects of environmental pollution on three populations of the Balkan terrapin [Mauremys rivulata (Valenciennes, 1833)] from the Bozcaada, Gökçeada and Dardanos regions were evaluated. The morphological parameters of Balkan terrapins collected on each site were measured and blood samples were taken for haematological analysis and micronucleus detection. The physicochemical, microbiological and microelement analyses of the water samples from each region were conducted by standard methods. The highest red blood cell, white blood cell and mean corpuscular haemoglobin concentration values were seen in the samples from Gökçeada. The highest haemoglobin value was found in the samples originating from Bozcaada, whereas the highest haematocrit and mean corpuscular volume values were found in the animals from Dardanos. Based on the microbiological analysis of the water samples, the most polluted site was Gökçeada. The microelement contents of the water and blood samples were different at the three sites, the lowest being in the Gökçeada area. It was revealed that the percentage of red blood cell micronuclei and other nucleus abnormalities in the M. rivulata blood samples was the lowest also in the animals living in the region of Gökçeada.
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Affiliation(s)
- Nurcİhan Hacıoğlu Doğru
- Department of Biology, Faculty of Sciences, Çanakkale Onsekiz Mart University, Terzioğlu Campus, 17100, Çanakkale, Turkey
| | - Çİğdem Gül
- Department of Biology, Faculty of Sciences, Çanakkale Onsekiz Mart University, Terzioğlu Campus, 17100, Çanakkale, Turkey
| | - Nurşen Çördük
- Department of Biology, Faculty of Sciences, Çanakkale Onsekiz Mart University, Terzioğlu Campus, 17100, Çanakkale, Turkey
| | - Murat Tosunoğlu
- Department of Biology, Faculty of Sciences, Çanakkale Onsekiz Mart University, Terzioğlu Campus, 17100, Çanakkale, Turkey
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26
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Cytotoxicity and Genotoxicity of Biogenic Silver Nanoparticles in A549 and BEAS-2B Cell Lines. Bioinorg Chem Appl 2022; 2022:8546079. [PMID: 36193250 PMCID: PMC9525761 DOI: 10.1155/2022/8546079] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 08/18/2022] [Accepted: 08/26/2022] [Indexed: 01/09/2023] Open
Abstract
Introduction. Biogenic silver nanoparticles (AgNPs-GA) were successfully synthesised using Garcinia atroviridis leaf extract as a reducing agent, which has ethnopharmacological claims against various diseases including cancer. Aim of the Study. Aim of the study is to discover whether AgNPs-GA has cytotoxic and genotoxic effects on cancerous (A549) and noncancerous (BEAS-2B) human lung cells. Materials and Methods. The cytotoxicity profiles of AgNPs-GA were characterized by MTT assay, intracellular reactive oxygen species (ROS) assay, and DAPI and AOPI double staining, whilst genotoxicity was assessed using Comet Assay analysis. The level of silver ions (Ag+) and cellular uptake of AgNPs-GA were evaluated by ICP-OES and TEM analyses, respectively. Results. A significant cytotoxic effect was observed by AgNPs-GA on both A549 and BEAS-2B cell lines, with IC50 values of 20–28 μg/ml and 12–35 μg/ml, respectively. The cytotoxicity profile of AgNPs-GA was also accompanied by a pronounced increase in ROS production, DNA damage, and apoptosis. Moreover, Ag+ was also detected in cells exposed to AgNPs-GA threefold higher compared to controls. In this study, AgNPs-GA were endocytosed within lysosomes, which may direct to secondary toxicity effects including oxidative stress, impairment of the cell membrane, DNA fragmentation, and cell death. Conclusions. Taken together, novel toxicological-related mechanisms by AgNPs-GA were proposed involving the generation of ROS that causes DNA damage which led to programmed cell death in both A549 and BEAS-2B cells. Therefore, a combination of scientific assessments is constantly needed to ensure that the quality of biosynthesized nanoparticles is controlled and their safe development is promoted.
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Gopi N, Iswarya A, Vijayakumar S, Jayanthi S, Nor SAM, Velusamy P, Vaseeharan B. Protective effects of dietary supplementation of probiotic Bacillus licheniformis Dahb1 against ammonia induced immunotoxicity and oxidative stress in Oreochromis mossambicus. Comp Biochem Physiol C Toxicol Pharmacol 2022; 259:109379. [PMID: 35609808 DOI: 10.1016/j.cbpc.2022.109379] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 04/25/2022] [Accepted: 05/17/2022] [Indexed: 12/23/2022]
Abstract
The goal of this study was to assess the efficacy of probiotics in mitigating ammonia-induced toxicity in fish. Fish were divided into four groups: control, only probiotic, only ammonia, and combined ammonia + probiotic. For 8 weeks, the Oreochromis mossambicus were exposed to waterborne ammonia at 1.0 mg L-1 and/or dietary Bacillus licheniformis Dahb1 at 107 cfu g-1. After the 4th and 8th weeks, the fish were evaluated for growth performance, enzymatic and non-enzymatic antioxidant activities (superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) reduced glutathione (GSH), neurotoxicity (acetylcholinesterase - AChE), non-specific immune responses (lysozyme (LYZ), myeloperoxidase (MPO), reactive nitrogen and oxygen species (RNS and ROS) and oxidative stress effects (lipid peroxidation (LPO), DNA damage)). Our results showed that in the absence of waterborne ammonia exposure, B. licheniformis Dahb1 significantly improved growth performance, enzymatic and non-enzymatic antioxidant capacity, AChE activity, non-specific immune response and decreased oxidative stress effect. Ammonia exposure resulted in significantly lower growth performance, reduced enzymatic and non-enzymatic antioxidant ability, decreased AChE activity, decreased non-specific immune response and increased oxidative stress effect. When O. mossambicus were exposed to ammonia, supplementation with B. licheniformis Dahb1 in the diet significantly increased survival, indicating that it may have a significant protective effect against ammonia toxicity by enhancing enzymatic and non-enzymatic antioxidant ability, activity of AChE, non-specific immune response and reduced oxidative stress effect. According to our findings, diet supplementation of B. licheniformis Dahb1 (107 cfu g-1) has the potential to combat ammonia toxicity in O. mossambicus.
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Affiliation(s)
- Narayanan Gopi
- Biomaterials and Biotechnology in Animal Health Lab, Department of Animal Health and Management, Science Campus 6(th) Floor, Alagappa University, Karaikudi 630004,Tamil Nadu, India
| | - Arokiadhas Iswarya
- Biomaterials and Biotechnology in Animal Health Lab, Department of Animal Health and Management, Science Campus 6(th) Floor, Alagappa University, Karaikudi 630004,Tamil Nadu, India; Department of Poultry and Aquaculture, Agricultural Research Organization, 7528809 Rishon, Letziyon, Israel
| | - Sekar Vijayakumar
- Biomaterials and Biotechnology in Animal Health Lab, Department of Animal Health and Management, Science Campus 6(th) Floor, Alagappa University, Karaikudi 630004,Tamil Nadu, India; Marine College, Shandong University, Weihai 264209, PR China
| | - Sangily Jayanthi
- Biomaterials and Biotechnology in Animal Health Lab, Department of Animal Health and Management, Science Campus 6(th) Floor, Alagappa University, Karaikudi 630004,Tamil Nadu, India
| | - Siti Azizah Mohd Nor
- Institute of Marine Biotechnology, Universiti Malaysia Terengganu, 21030 Kuala Terengganu, Terengganu, Malaysia
| | - Palaniyandi Velusamy
- Research & Development Wing, Sree Balaji Medical College and Hospital (SBMCH)- Bharath Institute of Higher Education and Research (BIHER), Chennai 600 044, Tamil Nadu, India
| | - Baskaralingam Vaseeharan
- Biomaterials and Biotechnology in Animal Health Lab, Department of Animal Health and Management, Science Campus 6(th) Floor, Alagappa University, Karaikudi 630004,Tamil Nadu, India.
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Genotoxic effects of silver nanoparticles on a tropical marine amphipod via feeding exposure. MUTATION RESEARCH/GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2022; 881:503527. [DOI: 10.1016/j.mrgentox.2022.503527] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 06/28/2022] [Accepted: 07/07/2022] [Indexed: 11/23/2022]
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29
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Oxidative damages and antioxidant defences after feeding a single meal in rainbow trout. J Comp Physiol B 2022; 192:459-471. [PMID: 35384470 DOI: 10.1007/s00360-022-01435-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 01/25/2022] [Accepted: 03/13/2022] [Indexed: 10/18/2022]
Abstract
Feeding and digestion are metabolically demanding causing a rise on metabolic rate called Specific Dynamic Action (SDA). Although SDA has been vastly reported in fish, its potential consequences on the oxidative-antioxidant balance has not been evaluated to date in fish, a model with a long alkaline tide associated with feeding as well. Using rainbow trout (Oncorhynchus mykiss) as a model species, the aims of the present study were to: (1) assess potential oxidative damages and changes in oxidative defences after feeding on a single meal, and (2) identify the timescale of such changes over a 96 h post-feeding period. Oxidative damage in proteins and lipids and the activities of four enzymatic antioxidant defences: superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) and glutathione-S-transferase (GST) were measured in gill, stomach, intestine and liver. DNA damage was measured in red blood cells. Fish were sampled before and after 1.5, 6, 24, 48, 72 and 96 h of ingestion of a 3% body mass ration. Trends of post-prandial damage were present in all tissues, but only protein oxidation varied significatively during digestion in the stomach. The intestine and stomach presented the highest enzymatic activities, likely due to the high metabolic action that these tissues have during digestion, with peaks during post-feeding: at 24 h of SOD in stomach and at 48 h of CAT in intestine. Observed GPx peaks during post-feeding in gills are likely due to the exacerbated demands for ion fluxes and/or oxygen during feeding. The differential response of the antioxidant system observed in tissues of rainbow trout during digestion indicates a coordinated and tissue-specific antioxidant defence.
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Al-Saleh I, Coskun S, Al-Rouqi R, Al-Rajudi T, Eltabache C, Abduljabbar M, Al-Hassan S. Oxidative stress and DNA damage status in couples undergoing in vitro fertilization treatment. REPRODUCTION AND FERTILITY 2022; 2:117-139. [PMID: 35128448 PMCID: PMC8812407 DOI: 10.1530/raf-20-0062] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 04/23/2021] [Indexed: 01/03/2023] Open
Abstract
This study examined the status of oxidative stress in 599 couples undertaking in vitro fertilization (IVF) treatment and its association with reproductive hormones, smoking, and outcomes. Oxidative stress biomarkers such as malondialdehyde, 8-hydroxy-2-deoxyguanosine, hydrogen peroxide (H2O2), catalase (CAT), and total antioxidant capacity (TAC) were determined in follicular fluid and seminal plasma. Tail moment (TM) was used to evaluate DNA damage in the sperm and granulosa cells. Reproductive hormones in serum and cotinine (COT) in urine, follicular fluid, and seminal plasma samples were determined. Separate multivariate linear regression was used to assess associations between levels of each oxidative stress biomarker and each hormone and smoking parameter (modeled as natural log-transformed). The findings indicate that some oxidative stress and DNA damage biomarkers played a role in disrupting certain reproductive hormones in women and their male partners either by overproducing reactive oxygen species or reducing antioxidant defense capacity. Although women were nonsmokers, COT levels > 50 and 10 µg/L in urine and follicular were observed in 5.7 and 1.7%, respectively. Levels of follicular fluid COT were positively associated with H2O2 and TM. We used log-binomial multivariate regression to estimate relative risks for the association between oxidative stress/DNA damage and IVF binary outcomes (fertilization rate > 50%, biochemical pregnancy, clinical pregnancy, and live birth). An increase in the CAT levels of follicular fluid was associated with a 48 and 41% decrease in the risk of poor fertilization rate (≤50%) and unsuccessful live birth, respectively. After the models were adjusted for hormonal factors, the associations remained the same, except that the elevated TAC in follicular fluid became significantly associated with a decrease of 42% in the risk of poor fertilization rate (≤50%). The higher antioxidant activity (CAT and TAC) in follicular fluid might positively impact specific IVF outcomes.
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Affiliation(s)
- Iman Al-Saleh
- Environmental Health Program, Research Centre, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Serdar Coskun
- Department of Pathology and Laboratory Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Reem Al-Rouqi
- Environmental Health Program, Research Centre, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Tahreer Al-Rajudi
- Environmental Health Program, Research Centre, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Chafica Eltabache
- Environmental Health Program, Research Centre, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Mai Abduljabbar
- Environmental Health Program, Research Centre, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Saad Al-Hassan
- Reproductive Medicine Unit, Department of Obstetrics and Gynecology, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
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Abdel-Tawab H, Ibrahim AM, Hussein T, Mohamed F. Mechanism of action and toxicological evaluation of engineered layered double hydroxide nanomaterials in Biomphalaria alexandrina snails. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:11765-11779. [PMID: 34545528 DOI: 10.1007/s11356-021-16332-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 08/30/2021] [Indexed: 06/13/2023]
Abstract
Layered double hydroxide (LDH) nanomaterials have recently become immense research area as it is used widely in industries. So, it's chance of their release into natural environment and risk assessment to nontarget aquatic invertebrate increasing. So, the present study aimed to synthesize and confirm the crystalline formation of Co-Cd-Fe LDHs and Co-Cd-Fe/PbI2 (LDH) and then to investigate the toxic impact of the two LDH on the adult freshwater snails (Biomphalaia alexandrina). Results showed that Co-Cd-Fe/PbI2 LDH has more toxic effect to adult Biomphalaria than Co-Cd-Fe LDHs (LC50 was 56.4 and 147.7 mg/L, 72 h of exposure, respectively). The effect of LC25 (117.1 mg/L) of Co-Cd-Fe LDHs exposure on the embryo showed suppression of embryonic development and induced embryo malformation. Also, it showed alterations in the tegmental architectures of the mantle-foot region of B. alexandrina snails as declared in scanning electron micrograph. Also, exposure to this sublethal concentration caused abnormalities in hemocyte shapes and upregulated IL-2 level in soft tissue. In addition, it decreased levels of nonenzymatic reduced glutathione (GSH), catalase (CAT), superoxide dismutase (SOD), caspase-3 activity, and total protein content in significant manner. Glutathione S-transferase (GST) activity was not affected by LDH exposure. It caused histopathological damages in both glands of snails and also caused a genotoxic effect in their cells. The results from the present study indicated that LDH has risk assessment on aquatic B. alexandrina snails and that it can be used as a biological indicator of water pollution with LDH.
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Affiliation(s)
- Heba Abdel-Tawab
- Faculty of Science, Department of Zoology, Beni-Suef University, Beni-Suef, Egypt.
| | - Amina M Ibrahim
- Environmental Research and Medical Malacology Department, Theodor Bilharz Research Institute, Giza, Egypt
| | - Taghreed Hussein
- National Organization for Drug Control and Research, Cairo, Egypt
| | - Fatma Mohamed
- Nanophotonics and Applications (NPA) lab, Polymer Research Laboratory, Chemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62511, Egypt
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Ivorra L, Cruzeiro C, Ramos A, Tagulao K, Cardoso PG. How can environmental conditions influence dicofol genotoxicity on the edible Asiatic clam, Meretrix meretrix? ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 293:118467. [PMID: 34748885 DOI: 10.1016/j.envpol.2021.118467] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 10/27/2021] [Accepted: 11/03/2021] [Indexed: 06/13/2023]
Abstract
Genotoxic effects of dicofol on the edible clam Meretrix meretrix were investigated through a mesocosm experiment. Individuals of M. meretrix, were exposed to environmental concentration (D1 = 50 ng/L) and supra-environmental concentration (D2 = 500 ng/L) of dicofol for 15 days, followed by the same depuration period. DNA damage (i.e., strand breaks and alkali-labile sites) was evaluated at day 1, 7 and 15, during uptake and depuration, using Comet assay (alkaline version) and nuclear abnormalities (NAs) as genotoxicity biomarkers. The protective effects of dicofol against DNA damage induced by ex vivo hydrogen peroxide (H2O2) exposure were also assessed. Comet assay results revealed no significant DNA damages under dicofol exposure, indicating 1) apparent lack of genotoxicity of dicofol to the tested conditions and/or 2) resistance of the animals due to optimal adaptation to stress conditions. Moreover, ex vivo H2O2 exposure showed an increase in the DNA damage in all the treatments without significant differences between them. However, considering only the DNA damage induced by H2O2 during uptake phase, D1 animals had significantly lower DNA damage than those from other treatments, revealing higher protection against a second stressor. NAs data showed a decrease in the % of cells with polymorphic, kidney shape, notched or lobbed nucleus, along the experiment. The combination of these results supports the idea that the clams used in the experiment were probably collected from a stressful environment (in this case Pearl River Delta region) which could have triggered some degree of adaptation to those environmental conditions, explaining the lack of DNA damages and highlighting the importance of organisms' origin and the conditions that they were exposed during their lives.
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Affiliation(s)
- Lucia Ivorra
- Institute of Science and Environment, ISE-University of Saint Joseph, Macao
| | - Catarina Cruzeiro
- Helmholtz Zentrum München, German Research Centre for Environmental Health, GmbH, Research Unit Comparative Microbiome Analysis, Ingolstaedter Landstrasse 1, 85764, Neuherberg, Germany; Department of Life Sciences, CFE-Centre for Functional Ecology, University of Coimbra, Coimbra, Portugal
| | - Alice Ramos
- Institute of Biomedical Sciences Abel Salazar (ICBAS), University of Porto (U.Porto), Porto, Portugal; CIIMAR-Interdisciplinary Centre for Marine and Environmental Research, University of Porto, Matosinhos, Portugal
| | - Karen Tagulao
- Institute of Science and Environment, ISE-University of Saint Joseph, Macao
| | - Patricia G Cardoso
- CIIMAR-Interdisciplinary Centre for Marine and Environmental Research, University of Porto, Matosinhos, Portugal.
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Kang S, Guo Z, Zhao F, Song L, Lu L, Wang C, Liu Z, Zhao J. Lanzhou Lily polysaccharide fragment protects human umbilical vein endothelial cells from radiation-induced DNA double-strand breaks. Hum Exp Toxicol 2022; 41:9603271221140110. [DOI: 10.1177/09603271221140110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Radiotherapy is widely used in the treatment of tumors. However, while killing tumor cells, radiation may also cause damage to the surrounding normal tissues. Therefore, it is very important to find safe and effective radiation protection agents. Purpose To investgate the radiation protection effect of Lanzhou Lily polysaccharide fragments (LLP). Methods: The crude polysaccharides of Lanzhou Lily were extracted from the dried bulb powder of Lilium lilium by ultrasonic-assisted hot water method, and then five different fragments were separated from the polysaccharides by DEAE-52-cellulose column. The 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide assay, neutral comet and immunofluorescent staining were used to investigate the effect of LPe fragment on Human Umbilical Vein Endothelial Cells (HUVEC) survival and the possible radioprotective mechanism. Results The LPe fragment (composing of mannose and glucose, with a ratio of 5.5:2.9, and the average molecular weight is 8629.8 Da), significantly promoted the proliferation of HUVECs and protected cells from X-ray-induced double-strand breaks (DSBs) in DNA, in which pretreatment with the LPe fragment at 100 μg/mL showed the most pronounced protection. In addition, the occurrence of X-ray-induced γH2AX foci was significantly reduced by treatment with the LPe fragment at 50, 100, and 200 μg/mL. Furthermore, caffeine or wortmannin in combination with the LPe fragment at 25 μg/mL significantly reduced the number of X-ray-induced γH2AX foci, indicating phosphoinositide-3 kinases (PI3K) is involved in H2AX phosphorylation in HUVECs. Conclusion These results indicate the LPe fragment has a protective effect against radiation-induced DSBs and may be used as a natural antioxidant agent.
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Affiliation(s)
- S Kang
- School of Chemical Engineering, Northwest Minzu University, Lanzhou, China
- Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass in Universities of Gansu Province, Lanzhou, China
| | - Z Guo
- Medical College of Northwest Minzu University, Lanzhou, China
- Key Laboratory of Environmental Ecology and Population Health in Northwest Minority Areas, Medical College of Northwest Minzu University, Lanzhou, China
| | - F Zhao
- Medical College of Northwest Minzu University, Lanzhou, China
| | - L Song
- Key Laboratory of Environmental Ecology and Population Health in Northwest Minority Areas, Medical College of Northwest Minzu University, Lanzhou, China
| | - L Lu
- School of Chemical Engineering, Northwest Minzu University, Lanzhou, China
- Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass in Universities of Gansu Province, Lanzhou, China
| | - C Wang
- Medical College of Northwest Minzu University, Lanzhou, China
| | - Z Liu
- School of Chemical Engineering, Northwest Minzu University, Lanzhou, China
- Key Laboratory for Utility of Environment-Friendly Composite Materials and Biomass in Universities of Gansu Province, Lanzhou, China
| | - J Zhao
- Medical College of Northwest Minzu University, Lanzhou, China
- Key Laboratory of Environmental Ecology and Population Health in Northwest Minority Areas, Medical College of Northwest Minzu University, Lanzhou, China
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Santos RM, Petry AC, Sousa VL, Souza HO, Azevedo A, Soares AR, Weber LI. Acute and subchronic effects of petroleum on the freshwater fish Hoplias aff. malabaricus. BRAZ J BIOL 2022; 84:e253731. [DOI: 10.1590/1519-6984.253731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 10/19/2021] [Indexed: 11/22/2022] Open
Abstract
Abstract Petroleum water soluble fraction (WSF) impairs organisms, but damages may vary among cell and tissue levels. The aim of the present study was to evaluate the acute (24 h, 48 h, 72 h) and subchronic effects (36 days) of WSF (0%, 25% and 100%) in juveniles of the Neotropical top predator fish Hoplias aff. malabaricus. The effects of WSF were evaluated at a molecular level using the comet assay and micronucleus test for genome damage; and at a morphological level through histological identification of liver pathologic lesions. In both acute and subchronic exposure we found low levels of DNA damage (< 10% of comet tail) and non-significant frequency of micronucleus in WSF exposed fish. The most significant liver lesions in WSF exposed fish were fatty vacuolization, hypertrophy and focal necrosis. Since these tissue injuries were progressive and persistent, their irreversibility may negatively affect fish recruitment, even in a such resistant top predator.
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Affiliation(s)
| | - A. C. Petry
- Universidade Federal do Rio de Janeiro, Brasil
| | | | - H. O. Souza
- Universidade Federal do Rio de Janeiro, Brasil
| | - A. Azevedo
- Universidade Federal do Rio de Janeiro, Brasil
| | | | - L. I. Weber
- Universidade Federal do Rio de Janeiro, Brasil
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Kumar S, Paul T, Shukla SP, Kumar K, Karmakar S, Bera KK, Bhushan Kumar C. Biomarkers-based assessment of triclosan toxicity in aquatic environment: A mechanistic review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 286:117569. [PMID: 34438492 DOI: 10.1016/j.envpol.2021.117569] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 05/21/2021] [Accepted: 06/06/2021] [Indexed: 06/13/2023]
Abstract
Triclosan (TCS), an emergent pollutant, is raising a global concern due to its toxic effects on organisms and aquatic ecosystems. The non-availability of proven treatment technologies for TCS remediation is the central issue stressing thorough research on understanding the underlying mechanisms of toxicity and assessing vital biomarkers in the aquatic organism for practical monitoring purposes. Given the unprecedented circumstances during COVID 19 pandemic, a several-fold higher discharge of TCS in the aquatic ecosystems cannot be considered a remote possibility. Therefore, identifying potential biomarkers for assessing chronic effects of TCS are prerequisites for addressing the issues related to its ecological impact and its monitoring in the future. It is the first holistic review on highlighting the biomarkers of TCS toxicity based on a comprehensive review of available literature about the biomarkers related to cytotoxicity, genotoxicity, hematological, alterations of gene expression, and metabolic profiling. This review establishes that biomarkers at the subcellular level such as oxidative stress, lipid peroxidation, neurotoxicity, and metabolic enzymes can be used to evaluate the cytotoxic effect of TCS in future investigations. Micronuclei frequency and % DNA damage proved to be reliable biomarkers for genotoxic effects of TCS in fishes and other aquatic organisms. Alteration of gene expression and metabolic profiling in different organs provides a better insight into mechanisms underlying the biocide's toxicity. In the concluding part of the review, the present status of knowledge about mechanisms of antimicrobial resistance of TCS and its relevance in understanding the toxicity is also discussed referring to the relevant reports on microorganisms.
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Affiliation(s)
- Saurav Kumar
- ICAR-Central Institute of Fisheries Education, Mumbai, 400061, Maharashtra, India.
| | - Tapas Paul
- ICAR-Central Institute of Fisheries Education, Mumbai, 400061, Maharashtra, India
| | - S P Shukla
- ICAR-Central Institute of Fisheries Education, Mumbai, 400061, Maharashtra, India
| | - Kundan Kumar
- ICAR-Central Institute of Fisheries Education, Mumbai, 400061, Maharashtra, India
| | - Sutanu Karmakar
- West Bengal University of Animal & Fishery Sciences, Kolkata, 700037, West Bengal, India
| | - Kuntal Krishna Bera
- West Bengal University of Animal & Fishery Sciences, Kolkata, 700037, West Bengal, India
| | - Chandra Bhushan Kumar
- ICAR-National Bureau of Fish Genetic Resources, Lucknow, 226002, Uttar Pradesh, India
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Ripanti F, Fasolato C, Mazzarda F, Palleschi S, Ceccarini M, Li C, Bignami M, Bodo E, Bell SEJ, Mazzei F, Postorino P. Advanced Raman Spectroscopy Detection of Oxidative Damage in Nucleic Acid Bases: Probing Chemical Changes and Intermolecular Interactions in Guanosine at Ultralow Concentration. Anal Chem 2021; 93:10825-10833. [PMID: 34324303 PMCID: PMC8382216 DOI: 10.1021/acs.analchem.1c01049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
DNA/RNA synthesis precursors are especially vulnerable to damage induced by reactive oxygen species occurring following oxidative stress. Guanosine triphosphates are the prevalent oxidized nucleotides, which can be misincorporated during replication, leading to mutations and cell death. Here, we present a novel method based on micro-Raman spectroscopy, combined with ab initio calculations, for the identification, detection, and quantification of oxidized nucleotides at low concentration. We also show that the Raman signature in the terahertz spectral range (<100 cm-1) contains information on the intermolecular assembly of guanine in tetrads, which allows us to further boost the oxidative damage detection limit. Eventually, we provide evidence that similar analyses can be carried out on samples in very small volumes at very low concentrations by exploiting the high sensitivity of surface-enhanced Raman scattering combined with properly designed superhydrophobic substrates. These results pave the way for employing such advanced spectroscopic methods for quantitatively sensing the oxidative damage of nucleotides in the cell.
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Affiliation(s)
- Francesca Ripanti
- Department of Physics, Sapienza University of Rome, P.le A. Moro 5, Rome, Italy
| | - Claudia Fasolato
- Department of Physics and Geology, University of Perugia, Via Alessandro Pascoli, Perugia, Italy
| | - Flavia Mazzarda
- Department of Physics, Sapienza University of Rome, P.le A. Moro 5, Rome, Italy
| | - Simonetta Palleschi
- Department of Environment & Health, Istituto Superiore di Sanità, Viale Regina Elena 299, Rome, Italy
| | - Marina Ceccarini
- National Centre for Rare Diseases, Istituto Superiore di Sanità, Viale Regina Elena 299, Rome, Italy
| | - Chunchun Li
- School of Chemistry and Chemical Engineering, Queen's University of Belfast, Stranmillis Road, Belfast, Northern Ireland
| | - Margherita Bignami
- Department of Environment & Health, Istituto Superiore di Sanità, Viale Regina Elena 299, Rome, Italy
| | - Enrico Bodo
- Department of Chemistry, Sapienza University of Rome, P.le A. Moro, 5, Rome, Italy
| | - Steven E J Bell
- School of Chemistry and Chemical Engineering, Queen's University of Belfast, Stranmillis Road, Belfast, Northern Ireland
| | - Filomena Mazzei
- Department of Environment & Health, Istituto Superiore di Sanità, Viale Regina Elena 299, Rome, Italy
| | - Paolo Postorino
- Department of Physics, Sapienza University of Rome, P.le A. Moro 5, Rome, Italy
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He Y, Ding H, Xia X, Qi W, Wang H, Liu W, Zheng F. GFP-fused yeast cells as whole-cell biosensors for genotoxicity evaluation of nitrosamines. Appl Microbiol Biotechnol 2021; 105:5607-5616. [PMID: 34228183 DOI: 10.1007/s00253-021-11426-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 06/09/2021] [Accepted: 06/12/2021] [Indexed: 11/25/2022]
Abstract
Nitrosamine compounds, represented by N-nitrosodimethylamine, are regarded as potentially genotoxic impurities (PGIs) due to their hazard warning structure, which has attracted great attention of pharmaceutical companies and regulatory authorities. At present, great research gaps exist in genotoxicity assessment and carcinogenicity comparison of nitrosamine compounds. In this work, a collection of GFP-fused yeast cells representing DNA damage repair pathways were used to evaluate the genotoxicity of eight nitrosamine compounds (10-6-105 μg/mL). The high-resolution expression profiles of GFP-fused protein revealed the details of the DNA damage repair of nitrosamines. Studies have shown that nitrosamine compounds can cause extensive DNA damage and activate multiple repair pathways. The evaluation criteria based on the total expression level of protein show a good correlation with the mammalian carcinogenicity data TD50, and the yeast cell collection can be used as a potential reliable criterion for evaluating the carcinogenicity of compounds. The assay based on DNA damage pathway integration has high sensitivity and can be used as a supplementary method for the evaluation of trace PGIs in actual production. KEY POINTS: • The genotoxicity mechanism of nitrosamines was systematically studied. • The influence of compound structure on the efficacy of genotoxicity was explored. • GFP-fused yeast cells have the potential to evaluate impurities in production.
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Affiliation(s)
- Ying He
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China.,Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Haotian Ding
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China.,Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Xingya Xia
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China.,Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Wenyi Qi
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China.,Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Huaisong Wang
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China
| | - Wenyuan Liu
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China.
| | - Feng Zheng
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China. .,Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing, 210009, China.
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Vandghanooni S, Farajzadeh Vahid Z, Nakhlband A, Bahadori MB, Eskandani M. Sclareol Inhibits Hypoxia-Inducible Factor-1α Accumulation and Induces Apoptosis in Hypoxic Cancer Cells. Adv Pharm Bull 2021; 12:593-602. [PMID: 35935045 PMCID: PMC9348540 DOI: 10.34172/apb.2022.062] [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: 04/14/2021] [Revised: 05/27/2021] [Accepted: 07/02/2021] [Indexed: 11/24/2022] Open
Abstract
Purpose: The hypoxia in solid tumors is associated with the resistance to chemo/radiotherapy. Hypoxia-inducible factor-1 (HIF-1) plays a key role in cell remodeling to hypoxia. Therefore, the inhibition of HIF-1 accumulation is considered a hopeful strategy for the treatment of cancer. Here, we aimed to evaluate the geno- and cytotoxicity properties of sclareol, a natural bicyclic diterpene alcohol, on A549 cells in CoCl2-induced hypoxia.
Methods: The cytotoxicity and apoptosis-inducing properties of sclareol on the A549 cell were evaluated using MTT assay and Annexin V/PI staining, respectively in hypoxia. DAPI staining, DNA ladder, and comet assay were used to evaluate the genotoxicity. Further, the qPCR technique was employed to assess the expression of HIF-1α, HIF-1β, and downstream target genes (GluT1, and Eno1). Finally, the level of HIF-1α protein was evaluated through Western blotting in sclareol-treated cells in hypoxia.
Results: The inhibitory concentration (IC50) of sclareol against A549 cells was 8 μg/mL at 48 hours in hypoxia. The genotoxicity of sclareol was confirmed in the cells treated with sclareol in hypoxia. Sclareol induced ~46% apoptosis and also necrosis in the hypoxic condition. The qPCR analyses showed an enhanced suppression of HIF-1α, HIF-1β, GluT1, and Eno1 due to the sclareol treatment in the hypoxia. Moreover, protein quantification analysis showed dose-dependently degradation of HIF-1α in hypoxia upon treatment with sclareol.
Conclusion: The results obtained here indicate that sclareol possesses dose-dependent cytotoxicity effects against A549 cells in hypoxia through inhibition of HIF-1α protein accumulation, increasing cell sensitivity to intracellular oxygen levels, and disruption of cell adaptation to hypoxia.
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Affiliation(s)
- Somayeh Vandghanooni
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Ailar Nakhlband
- Research Center of Psychiatry and Behavioral Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mir Babak Bahadori
- Medicinal Plants Research Center, Maragheh University of Medical Sciences, Maragheh, Iran
| | - Morteza Eskandani
- Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
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Musrri CA, Palma-Rojas C, von Brand E, Abessa DMS. Environmental Genotoxicity Assessment Using Micronucleus (and Nuclear Abnormalities) Test on Intertidal Mussel Perumytilus purpuratus: A Tool for Biomonitoring the Chilean Coast. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 107:77-83. [PMID: 33595678 DOI: 10.1007/s00128-021-03132-8] [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: 08/31/2020] [Accepted: 01/29/2021] [Indexed: 06/12/2023]
Abstract
The release of pollutants is increasing along the coast of Chile, and the use of biomarkers in biomonitoring programs is essential to assess the early biological effects of marine contamination. The Micronucleus (MN) test was carried out using hemocytes of the mussel Perumytilus purpuratus from two sites in northern-central Chile (La Pampilla and Totoralillo). Nuclear abnormalities were assessed, and high frequencies of micronucleus (10.7-14.4‰) and other abnormalities were found (51.9-76.6‰). These values tended to be higher in La Pampilla, possibly due to the large presence of pollution sources in that site. However, considerably high values were observed in both sites. P. purpuratus is a suitable bioindicator and further monitoring along the Chilean coast using this species should be developed using the MN test and/or other biomarkers to comprehend the effects of human activities on the coastal environment of Chile.
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Affiliation(s)
- C A Musrri
- Departamento de Biología Marina, Facultad de Ciencias del Mar, Universidad Católica del Norte, Coquimbo, Chile.
| | - C Palma-Rojas
- Departamento de Biología, Facultad de Ciencias, Universidad de La Serena, La Serena, Chile
| | - E von Brand
- Departamento de Biología Marina, Facultad de Ciencias del Mar, Universidad Católica del Norte, Coquimbo, Chile
| | - D M S Abessa
- São Paulo State University - UNESP, Praça Infante Dom Henrique, s/n, São Vicente, SP, 11330-900, Brazil
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Dias R, D'Costa A, Praveen Kumar MK, Shyama SK. DNA damage and biochemical responses in estuarine bivalve Donax incarnatus (Gmelin, 1791) exposed to sub-lethal concentrations of an organophosphate pesticide monocrotophos. ENVIRONMENTAL MONITORING AND ASSESSMENT 2021; 193:317. [PMID: 33942176 DOI: 10.1007/s10661-021-09103-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 04/27/2021] [Indexed: 06/12/2023]
Abstract
Monocrotophos (MCP) is a highly toxic and broad-spectrum pesticide extensively used for agricultural and household purposes. The present study was aimed to evaluate the genotoxicity and alterations in the biochemical and physiological conditions induced by monocrotophos in a non-target organism, an estuarine bivalve, Donax incarnatus. The bivalves were exposed to three sub-lethal concentrations (6.8, 13.7, and 27.45 ppm) of MCP for a period of 72 h. DNA damage was assessed using the comet assay. Oxidative stress was analyzed using catalase, glutathione peroxidase, and superoxide dismutase. Neurotoxicity was evaluated using the acetylcholinesterase assay (AChE) and the physiological condition was assessed using the condition index (CI). A significant concentration-dependent increase of DNA damage was observed as well as a decline in the activities of the antioxidant enzymes. However, a decrease in DNA damage was observed with advancing time. A significant decrease of AChE activity and CI was observed in the bivalves exposed to MCP. Positive correlations were also observed between DNA damage and the antioxidant enzymes whereas negative correlations were observed between AChE and the antioxidant enzymes indicating MCP toxicity mediated by oxidative stress.
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Affiliation(s)
- Ruella Dias
- Department of Zoology, Goa University, University Road, Taleigao, Goa, 403206, India
| | - Avelyno D'Costa
- Department of Zoology, Goa University, University Road, Taleigao, Goa, 403206, India.
| | - M K Praveen Kumar
- Department of Zoology, Goa University, University Road, Taleigao, Goa, 403206, India
| | - S K Shyama
- Department of Zoology, Goa University, University Road, Taleigao, Goa, 403206, India
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Rodrigues RB, Uczay M, Brito VB, Godoy AC, Moura DJ, Vogel C, Vasconcelos ACN, Streit DP. Oxidative Stress and DNA Damage of Zebrafish Sperm at Different Stages of the Cryopreservation Process. Zebrafish 2021; 18:97-109. [PMID: 33650885 DOI: 10.1089/zeb.2020.1942] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Although gamete cryopreservation has facilitated advancement of reproduction research by allowing the storage of cells over prolonged periods of time, during freezing-thawing cycles, cells inevitably suffer from cryoinjuries. Here, we evaluate oxidative stress and DNA damage of zebrafish sperm at different stages of the cryopreservation process. It was generally observed that the freezing and thawing of the samples led to an increase in the generation of reactive oxygen species and the activity of the catalase enzyme and a reduction in the generation of sulfhydryl groups and superoxide dismutase activity. The alkaline comet assay demonstrated that DNA damage increased after equilibration time, with an even greater increase after freezing and thawing. The comet assay modified with the enzyme formamidopyrimidine glycosylase, and Endonuclease III demonstrated greater DNA damage than the standard comet assay, demonstrating a high degree of oxidation of purines and pyrimidines at all stages of cryopreservation. Our results show that the freeze and thaw processes cause greater oxidative stress and DNA damage than cryoprotectant toxicity during exposure at the equilibrium stage.
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Affiliation(s)
- Rômulo Batista Rodrigues
- Graduate Degree Program in Animal Science, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Mariana Uczay
- Graduate Degree Program in Pharmacology and Therapeutics, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Verônica Bidinotto Brito
- Department of Physiotherapy, Integrated Faculties of Taquara, Taquara, Brazil.,Laboratory of Toxicological Genetics, Postgraduate Program in Health Sciences, Federal University of Health Sciences of Porto Alegre, Porto Alegre, Brazil
| | | | - Dinara Jaqueline Moura
- Laboratory of Toxicological Genetics, Postgraduate Program in Health Sciences, Federal University of Health Sciences of Porto Alegre, Porto Alegre, Brazil
| | - Carla Vogel
- Biochemistry Laboratory, Multicenter Graduate Degree Program in Biochemistry and Molecular Biology, University of Santa Catarina State, Lages, Brazil
| | | | - Danilo Pedro Streit
- Graduate Degree Program in Animal Science, Federal University of Rio Grande do Sul, Porto Alegre, 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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Li Y, Liu S, Cheng H, Chen X, Shen X, Cai Y. Dynamic transcriptome response in Meretrix meretrix to Aroclor 1254 exposure. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 207:111485. [PMID: 33254386 DOI: 10.1016/j.ecoenv.2020.111485] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/08/2020] [Accepted: 10/09/2020] [Indexed: 06/12/2023]
Abstract
Polychlorinated biphenyls (PCBs) are well-known persistent organic pollutants; they have toxic effects on the immune system, reproductive system, and endocrine system by changing the metabolism of the body. To elucidate the underlying molecular mechanism, the clam Meretrix meretrix was exposed to 10 and 1000 ng/L Aroclor 1254 and natural seawater (control). Samples from clams exposed to natural seawater and those exposed to Aroclor 1254 for 1 and 3 days were individually collected for transcriptome analysis. After assembly, more than 535,157 transcripts with a mean length of 949 bp and an N50 length of 1279 bp were obtained; a final set of 177,142 unigenes was generated. In the present study, 5101 differentially expressed genes were identified. The differentially expressed genes were related to detoxification metabolism, oxidative stress, immune response, and endocrine system disruption. Of these genes, under the Aroclor 1254 exposure, cytochrome P450 20A1 (2.06-4.46 folds), glutathione S-transferase (2.25-3.80 folds), multidrug resistance-associated protein 1-like (1.49-2.92 folds), peroxidase-like protein (1.33-4.26 folds), lysozyme (1.61-2.05 folds), bcl-2 like 1 protein (1.14-2.29 folds) and vitellogenin (1.09-1.19 folds) showed been significantly induced expressed. At the same time, some genes were down regulated, including cytochrome P450 2J5 (-1.20 ~ -2.86 folds), cytochrome P450 3A24 (-1.40 ~ -4.08 folds), C1q (-1.27 ~ -1.66 folds), Sulfotransferase (-1.51 ~ -1.84 folds), monocarboxylate transporter 10 (-1.30 ~ -4.70 folds), 3-beta hydroxysteroid dehydrogenase (-1.43 ~ -2.81 folds) and beta-galactosidase (-1.23 ~ -2.23 folds). Furthermore, it showed that the expression levels of CYP2J5, glutathione S-transferase, 3-beta hydroxysteroid dehydrogenase and beta-galactosidase had time responses and dose responses. The present study provided insights into the toxic effects of Aroclor 1254 exposure in M. meretrix.
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Affiliation(s)
- Yongqi Li
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Shishi Liu
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Hanliang Cheng
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Xiangning Chen
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China
| | - Xin Shen
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China.
| | - Yuefeng Cai
- Jiangsu Key Laboratory of Marine Bioresources and Environment/Jiangsu Key Laboratory of Marine Biotechnology, Jiangsu Ocean University, Lianyungang 222005, China; Co-Innovation Center of Jiangsu Marine Bio-Industry Technology, Jiangsu Ocean University, Lianyungang 222005, China.
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Duroudier N, Katsumiti A, Mikolaczyk M, Schäfer J, Bilbao E, Cajaraville MP. Cell and tissue level responses in mussels Mytilus galloprovincialis dietarily exposed to PVP/PEI coated Ag nanoparticles at two seasons. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 750:141303. [PMID: 32871366 DOI: 10.1016/j.scitotenv.2020.141303] [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: 04/17/2020] [Revised: 07/24/2020] [Accepted: 07/26/2020] [Indexed: 06/11/2023]
Abstract
Silver nanoparticles (Ag NPs) are present in numerous consumer products due to their antimicrobial and other unique properties, thus concerns about their potential input into aquatic ecosystems are increasing. Toxicity of Ag NPs in waterborne exposed aquatic organisms has been widely investigated, but studies assessing the potential toxic effects caused after ingestion through the food web, especially at low realistic concentrations, remain scarce. Moreover, it is not well known whether season may influence toxic effects of Ag NPs. The main objective of this study was to determine cell and tissue level responses in mussels Mytilus galloprovincialis dietarily exposed to poly-N-vinyl-2-pirrolidone/polyethyleneimine (PVP/PEI) coated 5 nm Ag NPs for 1, 7 and 21 days both in autumn and spring. Mussels were fed every day with microalgae Isochrysis galbana exposed for 24 h to a low dose (1 μg Ag/L Ag NPs) in spring and to a higher dose (10 μg Ag/L Ag NPs) in spring and autumn. Mussels fed with microalgae exposed to the high dose accumulated Ag significantly after 21 days in both seasons, higher levels being measured in autumn compared to spring. Intralysosomal metal accumulation measured in mussel digestive gland and time- and dose-dependent reduction of mussels health status was similar in both seasons. DNA strand breaks increased significantly in hemocytes at both exposure doses along the 21 days in spring and micronuclei frequency showed an increasing trend after 1 and 7 days of exposure to 1 μg Ag/L Ag NPs in spring and to 10 μg Ag/L in both seasons. Values decreased after 21 days of exposure in all the cases. In conclusion, PVP/PEI coated 5 nm Ag NPs ingested through the food web were significantly accumulated in mussel tissues and caused adverse cell and tissue level effects both in autumn and in spring.
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Affiliation(s)
- Nerea Duroudier
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology and Research Centre for Experimental Marine Biology and Biotechnology, PiE, University of the Basque Country UPV/EHU, Basque Country, Spain
| | - Alberto Katsumiti
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology and Research Centre for Experimental Marine Biology and Biotechnology, PiE, University of the Basque Country UPV/EHU, Basque Country, Spain
| | - Mathilde Mikolaczyk
- Université de Bordeaux, UMR 5805 EPOC, Allée Geoffroy St Hilaire, 33615 Pessac Cedex, France
| | - Jörg Schäfer
- Université de Bordeaux, UMR 5805 EPOC, Allée Geoffroy St Hilaire, 33615 Pessac Cedex, France
| | - Eider Bilbao
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology and Research Centre for Experimental Marine Biology and Biotechnology, PiE, University of the Basque Country UPV/EHU, Basque Country, Spain
| | - Miren P Cajaraville
- CBET Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology and Research Centre for Experimental Marine Biology and Biotechnology, PiE, University of the Basque Country UPV/EHU, Basque Country, Spain.
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Hong Y, Huang Y, Yan G, Yin H, Huang Z. DNA damage, immunotoxicity, and neurotoxicity induced by deltamethrin on the freshwater crayfish, Procambarus clarkii. ENVIRONMENTAL TOXICOLOGY 2021; 36:16-23. [PMID: 32757256 DOI: 10.1002/tox.23006] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 06/18/2020] [Accepted: 07/11/2020] [Indexed: 06/11/2023]
Abstract
Pyrethroid pesticides are applied to both agricultural and aquacultural industries for pest control. However, information of their impact on the commercial important freshwater crayfish, Procambarus clarkii is scarce. Therefore, the present study aimed to characterize to effects of a commonly used pyrethroid pesticide, deltamethrin on DNA damage, immune response, and neurotoxicity in P. clarkii. Animals were exposed to 7, 14, and 28 ng/L of deltamethrin, which correspond to 1/8, 1/4, and 1/2 of the LC50 (96 hours) of this pyrethroid to P. clarkii. Significant increase of olive tail moment (OTM) and 8-hydroxy-2'-deoxyguanosine (8-OHdG) was found after deltamethrin exposure in a dose-dependent way. Total hemocyte counts (THC) and activities of immune-related enzymes including acid phosphatase (ACP), lysozyme (LZM), and phenoloxidase (PO) were all decreased and significantly lower than control at concentration of 28 ng/L after 96 hours exposure. Acetylcholinesterase (AChE) activity, an indicator of neurotoxic effect was investigated and it was decreased significantly in muscles at 14 and 28 ng/L after 24 hours exposure. The level of intracellular reactive oxygen species (ROS) in hemocytes was also measured and the significant increase of ROS was found at 14 and 28 ng/L concentrations. The results revealed that deltamethrin induced DNA damage, immunotoxicity, and neurotoxicity in P. clarkii by excessive generation of ROS. Because of the dose-dependent responses of all parameters under exposure of deltamethrin at environmentally realistic concentrations, these parameters could be used as sensitive biomarkers for risk assessment of deltamethrin in aquaculture area.
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Affiliation(s)
- Yuhang Hong
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang, Sichuan, China
| | - Yi Huang
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang, Sichuan, China
| | - Guangwen Yan
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang, Sichuan, China
| | - Hongmei Yin
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang, Sichuan, China
| | - Zhiqiu Huang
- Key Laboratory of Application of Ecology and Environmental Protection in Plateau Wetland of Sichuan, Xichang University, Xichang, Sichuan, China
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Topal A, Gergit A, Özkaraca M. Assessment of oxidative DNA damage, oxidative stress responses and histopathological alterations in gill and liver tissues of Oncorhynchus mykiss treated with linuron. Hum Exp Toxicol 2020; 40:1112-1121. [PMID: 33380213 DOI: 10.1177/0960327120984202] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
We investigated changes in 8-hydroxy-2-deoxyguanosine (8-OHdG) activity which is a product of oxidative DNA damage, histopathological changes and antioxidant responses in liver and gill tissues of rainbow trout, following a 21-day exposure to three different concentrations of linuron (30 µg/L, 120 µg/L and 240 µg/L). Our results indicated that linuron concentrations caused an increase in LPO levels of liver and gill tissues (p < 0.05). While linuron induced both increases and decreases in GSH levels and SOD activity, CAT activity was decreased by all concentrations of linuron (p < 0.05). The immunopositivity of 8-OHdG was detected in the hepatocytes of liver and in the epithelial and chloride cells of the secondary lamellae of the gill tissues. Our results suggested that linuron could cause oxidative DNA damage by causing an increase in 8-OHdG activity in tissues, and it induces histopathological damage and alterations in the antioxidant parameters of the tissues.
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Affiliation(s)
- Ahmet Topal
- Department of Basic Sciences, Faculty of Fisheries, 37503Atatürk University, Erzurum, Turkey
| | - Arzu Gergit
- Department of Basic Sciences, Faculty of Fisheries, 37503Atatürk University, Erzurum, Turkey
| | - Mustafa Özkaraca
- Department of Pathology, Faculty of Veterinary, 52954Sivas Cumhuriyet University, Sivas, Turkey
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Marçal R, Pacheco M, Guilherme S. DNA of crayfish spermatozoa as a target of waterborne pesticides - An ex vivo approach as a tool to short-term spermiotoxicity screening. JOURNAL OF HAZARDOUS MATERIALS 2020; 400:123300. [PMID: 32947705 DOI: 10.1016/j.jhazmat.2020.123300] [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: 02/27/2020] [Revised: 06/18/2020] [Accepted: 06/22/2020] [Indexed: 05/12/2023]
Abstract
The spermiotoxic properties of aquatic contaminants might be the cause of low fertilization rate and decreased prolificacy, affecting the success of the impacted populations. The genotoxic potential of pesticides in spermatozoa as an undesirable effect on non-target organisms, namely aquatic invertebrates with external fertilization, emerges as a key question in ecogenotoxicological research. Thus, this study aimed to clarify if DNA integrity of red swamp crayfish (Procambarus clarkii) spermatozoa is affected by waterborne pesticides at environmentally relevant concentrations. By adopting an ex vivo approach, six pesticides were addressed in a short-term assay: herbicides glyphosate (9 and 90 μg L-1) and penoxsulam (2.3 and 23 μg L-1); insecticides dimethoate (2.4 and 24 μg L-1) and imidacloprid (13.1 and 131 μg L-1); fungicides pyrimethanil (2.2 and 22 μg L-1) and imazalil (16 and 160 μg L-1). Genotoxicity was observed in higher concentrations of glyphosate, penoxsulam, dimethoate, pyrimethanil, and imazalil. Imidacloprid was the only pesticide that did not cause non-specific DNA damage, although displaying pro-oxidant properties. Overall, the present study demonstrated the suitability of the ex vivo approach on spermiotoxicity screening, highlighting the potential ecological impact of pesticides on non-target species, such as P. clarkii, compromising sperm DNA integrity and, subsequently, the population success.
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Affiliation(s)
- R Marçal
- Centre for Environmental and Marine Studies (CESAM), Department of Biology University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
| | - M Pacheco
- Centre for Environmental and Marine Studies (CESAM), Department of Biology University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - S Guilherme
- Centre for Environmental and Marine Studies (CESAM), Department of Biology University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
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Correia AT, Rodrigues S, Ferreira-Martins D, Nunes AC, Ribeiro MI, Antunes SC. Multi-biomarker approach to assess the acute effects of cerium dioxide nanoparticles in gills, liver and kidney of Oncorhynchus mykiss. Comp Biochem Physiol C Toxicol Pharmacol 2020; 238:108842. [PMID: 32777470 DOI: 10.1016/j.cbpc.2020.108842] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/23/2020] [Accepted: 07/27/2020] [Indexed: 12/14/2022]
Abstract
Cerium oxide nanoparticles (CeO2-NP) have already been detected in the aquatic compartment, however, the evaluation of potential ecotoxicological effects on biota are scarce. The present study aimed to assess the toxic effects of CeO2-NP in Oncorhynchus mykiss in different organs/tissues (gills, liver and kidney) after acute exposure (96 h) to three concentrations: 0.25, 2.5 and 25 mg/L. Oxidative stress response (catalase - CAT; glutathione S-transferases - GSTs), lipid peroxidation (thiobarbituric acid reactive substances - TBARS), Na+/K+-ATPase activity, genotoxicity (genetic damage index - GDI) and histopathology (organ's pathological indices) were evaluated. CAT activity was increased in gills and decreased in liver of fish exposed to the highest CeO2-NPs concentration tested. However, GSTs and Na+/K+-ATPase activities and TBARS levels were not significantly altered in analysed organs. CeO2-NP caused marked changes in the gills (aneurysms, blood capillary congestion, lamellar hypertrophy and hyperplasia, secondary lamella fusion and epithelial lifting), in liver (pyknotic nucleus, hyperemia, enlargement of sinusoids and leucocyte infiltration) and kidney (shrinkage of the glomeruli, enlargement of the Bowman space, tubular degeneration and nuclear hypertrophy). Moreover, a semi-quantitative histopathological scoring system (pathological index) confirmed significant alterations in the three organs of all exposed fish. Furthermore, a significant increase of GDI indices observed in gills and liver, for all tested concentrations, indicated a dose-dependent effect. The present study suggests that the release of CeO2-NP into the aquatic environment promotes biochemical, genotoxic and histopathological damages in fish. However, the mechanisms underlying the occurrence of such effects require further investigation.
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Affiliation(s)
- 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
| | - Sara Rodrigues
- 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; Departamento de Biologia da Faculdade de Ciências da Universidade do Porto (FCUP), Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | | | - Ana Cristina Nunes
- 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
| | - Maria Inês Ribeiro
- 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
| | - Sara C Antunes
- 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; Departamento de Biologia da Faculdade de Ciências da Universidade do Porto (FCUP), Rua do Campo Alegre s/n, 4169-007 Porto, Portugal.
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49
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Pradhan D, Singh RK, Verma SK. Genotoxic Potential Assessment of the Herbicide Bispyribac-Sodium in a Fresh Water Fish Clarias batrachus (Linn.). BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 105:715-720. [PMID: 32970224 DOI: 10.1007/s00128-020-03003-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 09/16/2020] [Indexed: 06/11/2023]
Abstract
Genotoxic potential of herbicide bispyribac-sodium was evaluated in fish Clarias batrachus using micronucleus (MN) test and comet assay. Fish were exposed to three environmentally relevant test concentrations of the herbicide for 20, 25 and 30 days. Significant effects (p < 0.05) for both concentration and duration of exposure were observed in herbicide exposed fish. Similar trend of DNA damage was observed through MN test and comet assay. Maximum DNA damage was observed in fish exposed to highest concentration of herbicide at all duration. Maximum damage was observed on day 25 at all concentrations followed by a decline. This study established C. batrachus as an ecotoxicological model for bispyribac-sodium induced genotoxicity testing. It further confirmed that both MN test and comet assay are useful tool for assessment of genotoxicity induced by water pollutants.
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Affiliation(s)
- Dibyajyoti Pradhan
- Department of Zoology, Dr. C. V. Raman University, Bilaspur, Chattisgarh, India
| | | | - Sushant Kumar Verma
- Department of Zoology, Guru Ghasidas Vishwavidyalaya (Central University), Bilaspur, Chattisgarh, India.
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Ianna ML, Reichelt-Brushett A, Howe PL, Brushett D. Application of a behavioural and biochemical endpoint in ecotoxicity testing with Exaiptasia pallida. CHEMOSPHERE 2020; 257:127240. [PMID: 32516670 DOI: 10.1016/j.chemosphere.2020.127240] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 05/25/2020] [Accepted: 05/26/2020] [Indexed: 06/11/2023]
Abstract
Exaiptasia pallida has been applied as a cnidarian model to assess the toxicity of various contaminants using endpoints related to growth, reproduction and mortality. However, increasingly accepted behavioural and biochemical endpoints are underrepresented in ecotoxicity testing with cnidarian species. The aim of this study was to assess the suitability of tentacle retraction and superoxide dismutase activity as behavioural and biochemical endpoints for ecotoxicity testing with E. pallida. A concentration-dependent, tentacle retraction response was found in sub-lethal toxicity testing for anemones exposed to 1-65 μg L-1 Cu and 2-630 μg L-1 Zn for 24 and 96 h. Semi-quantitative and quantitative approaches to tentacle retraction analysis showed a difference in response sensitivity, however, both methods resulted in similar 24- and 96-h EC50 values for Cu and Zn. Additionally, tentacle retraction analysis provided the benefit of identifying recovery in anemones previously exposed to 359 μg L-1 Zn following a 96-h recovery period. Conversely, no significant difference in superoxide dismutase activity was detected in anemones exposed to the Cu and Zn solutions compared with controls, after either 24- or 96-h exposures. These findings support the ease of application and sensitivity of tentacle retraction as an endpoint in ecotoxicity testing with E. pallida and recommend its suitability for use in acute, sub-lethal toxicity testing. Moreover, evidence of recovery in E. pallida following exposure suggests that recovery should be incorporated into future toxicity assessments.
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Affiliation(s)
- Madeline Louise Ianna
- Marine Ecology Research Centre, School of Environment, Science and Engineering, Southern Cross University, Military Road, East Lismore, NSW, 2480, Australia; School of Environment, Science and Engineering, Southern Cross University, Military Road, East Lismore, NSW, 2480, Australia
| | - Amanda Reichelt-Brushett
- Marine Ecology Research Centre, School of Environment, Science and Engineering, Southern Cross University, Military Road, East Lismore, NSW, 2480, Australia; School of Environment, Science and Engineering, Southern Cross University, Military Road, East Lismore, NSW, 2480, Australia.
| | - Pelli Louise Howe
- Marine Ecology Research Centre, School of Environment, Science and Engineering, Southern Cross University, Military Road, East Lismore, NSW, 2480, Australia; School of Environment, Science and Engineering, Southern Cross University, Military Road, East Lismore, NSW, 2480, Australia
| | - Donald Brushett
- School of Environment, Science and Engineering, Southern Cross University, Military Road, East Lismore, NSW, 2480, Australia
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