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Santos KR, Galter IN, Grecco KD, Silva EZM, Lascola MB, Dos Santos SN, Aragão FB, Arrivabene HP, Milanez CRD, Fernandes MN, Matsumoto ST. Toxicogenetic, biochemical, and anatomical effects of the herbicide Clethodim on Allium cepa L. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:125388-125397. [PMID: 38001291 DOI: 10.1007/s11356-023-31048-9] [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: 05/25/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023]
Abstract
Pesticides are compounds with several chemical or biological agents developed to potentiate the biocide action. Their use is associated with increased economic and agricultural productivity worldwide but can harm health and the environment, damaging existing biota. Clethodim is a systemic post-emergent herbicide for grasses, highly selective for cotton, coffee, onions, carrots, soybeans, etc. Therefore, this work aimed to evaluate the harmful effect of the herbicide Clethodim with the model plant Allium cepa. A series of tests were conducted to evaluate the effects of the herbicide under study. Germination tests, root growth, cell, and nucleolar cycle analysis, as well as oxidative stress assessment and histological analysis of the roots, were performed. The results indicated that the herbicide demonstrated phytotoxicity, inhibiting germination at C1 (1.92 g/L) and C3 (0.84 g/L), and root growth at all concentrations, presenting mutagenicity at C1 (1.92 g/L) and C4 (0.24 g/L), evidenced by the increased frequency of micronuclei. In addition, changes were observed in the enzymatic activity of the enzymes catalase at concentrations C1 (1.92 g/L) and C2 (0.96 g/L) and ascorbate peroxidase at concentrations C1 (1.92 g/L), C2 (0. 96 g/L), and C3 (0.48 g/L) and in cell elongation at concentrations C1 (1.92 g/L) and C3 (0.48 g/L), demonstrated in histological analyses of the root apex.
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Affiliation(s)
- Kristian Rodolfo Santos
- In Vitro and In Vivo Mutagenesis Laboratory, Department of Biological Sciences, Center for Human and Natural Sciences, Federal University of Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, Vitória, ES, 29075-910, Brazil.
| | - Iasmini Nicoli Galter
- In Vitro and In Vivo Mutagenesis Laboratory, Department of Biological Sciences, Center for Human and Natural Sciences, Federal University of Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, Vitória, ES, 29075-910, Brazil
| | - Kalia Dável Grecco
- In Vitro and In Vivo Mutagenesis Laboratory, Department of Biological Sciences, Center for Human and Natural Sciences, Federal University of Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, Vitória, ES, 29075-910, Brazil
| | - Enzo Zini Moreira Silva
- In Vitro (Eco)Toxicology Laboratory, Department of Genetics, Center for Biological Sciences, Federal University of Paraná, Av. Cel. Francisco H. Dos Santos, 100, Curitiba, Paraná, PR, 81530-000, Brazil
| | - Mylena Boeque Lascola
- In Vitro and In Vivo Mutagenesis Laboratory, Department of Biological Sciences, Center for Human and Natural Sciences, Federal University of Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, Vitória, ES, 29075-910, Brazil
| | - Sara Nascimento Dos Santos
- In Vitro and In Vivo Mutagenesis Laboratory, Department of Biological Sciences, Center for Human and Natural Sciences, Federal University of Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, Vitória, ES, 29075-910, Brazil
| | - Francielen Barroso Aragão
- In Vitro and In Vivo Mutagenesis Laboratory, Department of Biological Sciences, Center for Human and Natural Sciences, Federal University of Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, Vitória, ES, 29075-910, Brazil
| | - Hiulana Pereira Arrivabene
- In Vitro and In Vivo Mutagenesis Laboratory, Department of Biological Sciences, Center for Human and Natural Sciences, Federal University of Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, Vitória, ES, 29075-910, Brazil
| | - Camilla Rozindo Dias Milanez
- In Vitro and In Vivo Mutagenesis Laboratory, Department of Biological Sciences, Center for Human and Natural Sciences, Federal University of Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, Vitória, ES, 29075-910, Brazil
| | - Marisa Narciso Fernandes
- Laboratory of Comparative Zoophysiology and Biochemistry, Department of Physiological Sciences, Center for Biological and Health Sciences, Federal University of São Carlos, Rodovia Washington Luiz, Km 235 Monjolinho São Carlos, São Paulo, SP, 13565-905, Brazil
| | - Silvia Tamie Matsumoto
- In Vitro and In Vivo Mutagenesis Laboratory, Department of Biological Sciences, Center for Human and Natural Sciences, Federal University of Espírito Santo, Av. Fernando Ferrari, 514, Goiabeiras, Vitória, ES, 29075-910, Brazil
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Sun Y, Gu L, Zhang L, Yang Z. Changes in key life-history traits and transcriptome regulations of marine rotifer Brachionus plicatilis in eliminating harmful algae Phaeocystis. JOURNAL OF HAZARDOUS MATERIALS 2023; 445:130540. [PMID: 36493642 DOI: 10.1016/j.jhazmat.2022.130540] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/12/2022] [Accepted: 12/01/2022] [Indexed: 06/17/2023]
Abstract
Rotifers have great potential in controlling the harmful algae Phaeocystis blooms that frequently occur in coastal waters. To evaluate the effects of harmful algae on the key life-history traits of rotifer in eliminating Phaeocystis and reveal the underlying mechanism of these effects, we fed Brachionus plicatilis with Chlorella vulgaris and Phaeocystis globosa respectively, recorded the key life-history traits, and conducted transcriptomic analysis. Results showed that the rotifers feeding on P. globosa significantly decreased total offspring but obviously prolonged lifespan compared to those feeding on C. vulgaris, indicating that there was a trade-off between the reproduction and lifespan of rotifers feeding on algae with different nutrient contents. Nevertheless, rotifers can completely eliminate the population of P. globosa. The changes in the reproduction and lifespan of rotifers are highly correlated with algal key nutrition and the expression of some related genes. Transcriptomic analysis showed that the changes in the key life history traits of rotifers feeding on harmful algae are determined by regulating the expression of some key genes involved in the pathways of carbohydrate digestion and absorption, glycolysis, gluconeogenesis, unsaturated fatty acid biosynthesis, and environmental stress. Understanding the trade-off of the key life history traits of zooplankton in eliminating harmful algae from the underlying mechanism helps improve their application for controlling harmful algae.
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Affiliation(s)
- Yunfei Sun
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China
| | - Lei Gu
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China
| | - Lu Zhang
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China
| | - Zhou Yang
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, School of Biological Sciences, Nanjing Normal University, 1 Wenyuan Road, Nanjing 210023, China.
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Akgun FS, Sirin DY, Yilmaz I, Karaarslan N, Ozbek H, Simsek AT, Kaya YE, Kaplan N, Akyuva Y, Caliskan T, Ates O. Investigation of the effect of dipyrone on cells isolated from intervertebral disc tissue. Exp Ther Med 2019; 18:216-224. [PMID: 31258656 PMCID: PMC6566084 DOI: 10.3892/etm.2019.7576] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 02/28/2019] [Indexed: 12/11/2022] Open
Abstract
The present study aimed to evaluate the effects of dipyrone, an indispensable analgesic, anti-pyretic and anti-spasmodic used in emergency departments, on nucleus pulposus and annulus fibrosus cells in vitro. After surgical biopsy, primary cell cultures were prepared from intact intervertebral disc tissues. Dipyrone was administered to the cultures in the experimental groups except for the control group. The data obtained were statistically evaluated. The proliferation was identified to be suppressed via MTT analysis. The gene expression profile of the intervertebral disc cells in the dipyrone-treated groups was significantly changed. The expression of chondroadherin, cartilage oligo matrix protein, interleukin-1β and metalloproteinase (MMP)-19 genes were decreased, but MMP-13 and MMP-7 genes expressions were increased, as determined via reverse transcription-quantitative PCR. AO/PI staining revealed that no apoptotic or other type of cell death was detectable after administration of dipyrone does not mean that the drug is innocuous. The occurrence of cellular senescence and/or the halt of cell proliferation may also be important mechanisms underlying the adverse inhibitory effects of dipyrone. Therefore, prior to administering dipyrone in clinical practice, all possible adverse effects of this drug should be considered.
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Affiliation(s)
- Feride Sinem Akgun
- Department of Emergency Medicine, School of Medicine, Istanbul Maltepe University, Istanbul 34843, Turkey
| | - Duygu Yasar Sirin
- Department of Molecular Biology and Genetics, Faculty of Arts and Sciences, Namik Kemal University, Tekirdag 59100, Turkey
| | - Ibrahim Yilmaz
- Department of Medical Pharmacology, School of Medicine, Istanbul Medipol University, Istanbul 34810, Turkey
| | - Numan Karaarslan
- Department of Neurosurgery, School of Medicine, Namik Kemal University, Tekirdag 59100, Turkey
| | - Hanefi Ozbek
- Department of Medical Pharmacology, School of Medicine, Istanbul Medipol University, Istanbul 34810, Turkey
| | - Abdullah Talha Simsek
- Department of Neurosurgery, School of Medicine, Namik Kemal University, Tekirdag 59100, Turkey
| | - Yasin Emre Kaya
- Department of Orthopedics and Traumatology, School of Medicine, Abant Izzet Baysal University, Bolu 14000, Turkey
| | - Necati Kaplan
- Department of Neurosurgery, Corlu Reyap Hospital, Istanbul Rumeli University, Tekirdag 59680, Turkey
| | - Yener Akyuva
- Department of Neurosurgery, Gaziosmanpasa Taksim Training and Research Hospital, Istanbul 34433, Turkey
| | - Tezcan Caliskan
- Department of Neurosurgery, School of Medicine, Namik Kemal University, Tekirdag 59100, Turkey
| | - Ozkan Ates
- Department of Neurosurgery, Istanbul Koc University Hospital, Istanbul Koc University, Istanbul 34010, Turkey
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Moro TR, Henrique FR, Malucelli LC, de Oliveira CMR, da Silva Carvalho Filho MA, de Vasconcelos EC. Adsorption of pharmaceuticals in water through lignocellulosic fibers synergism. CHEMOSPHERE 2017; 171:57-65. [PMID: 28002767 DOI: 10.1016/j.chemosphere.2016.12.040] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 12/05/2016] [Accepted: 12/09/2016] [Indexed: 06/06/2023]
Abstract
The contamination of water from disposal of drugs is an emerging problem due to their consequences on trophic webs. This study evaluated the ability of sugarcane and coconut fiber to reduce water toxicity contaminated by pharmaceuticals. The toxicity of solutions containing pharmaceuticals was studied by bioassay using Allium cepa, before and after filtration of contaminated water. The coconut and sugarcane fiber have not been satisfactory in reducing toxicity when tested separately. Despite no induction of chromosomal aberrations, our study found a reduction of the mitotic index. The mixture of fibers showed better results providing total reduction of toxicity, in addition to maintenance in the mitotic index and induction of chromosome aberrations. The interaction between fibers and drugs was confirmed by Thermogravimetry and Differential Thermal Analyses (TG/DTA) which presented differences in profile between the fibers before and after adsorption. The mixture of coconut and sugarcane proved viable for reduction of toxicity in contaminated water by a mixture of pharmaceuticals.
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Affiliation(s)
- Tatiana Rojo Moro
- Graduate Program in Industrial Biotechnology at Universidade Positivo, Pedro Viriato Parigot de Souza, 5300 Campo Comprido, Curitiba, PR 81280-330, Brazil
| | - Francini Reis Henrique
- Graduate Program in Industrial Biotechnology at Universidade Positivo, Pedro Viriato Parigot de Souza, 5300 Campo Comprido, Curitiba, PR 81280-330, Brazil; Graduate Program in Environmental Management at Universidade Positivo, Pedro Viriato Parigot de Souza, 5300 Campo Comprido, Curitiba, PR 81280-330, Brazil
| | - Lucca Centa Malucelli
- Graduate Program in Industrial Biotechnology at Universidade Positivo, Pedro Viriato Parigot de Souza, 5300 Campo Comprido, Curitiba, PR 81280-330, Brazil; Graduate Program in Environmental Management at Universidade Positivo, Pedro Viriato Parigot de Souza, 5300 Campo Comprido, Curitiba, PR 81280-330, Brazil
| | - Cíntia Mara Ribas de Oliveira
- Graduate Program in Environmental Management at Universidade Positivo, Pedro Viriato Parigot de Souza, 5300 Campo Comprido, Curitiba, PR 81280-330, Brazil
| | - Marco Aurélio da Silva Carvalho Filho
- Graduate Program in Industrial Biotechnology at Universidade Positivo, Pedro Viriato Parigot de Souza, 5300 Campo Comprido, Curitiba, PR 81280-330, Brazil; Graduate Program in Environmental Management at Universidade Positivo, Pedro Viriato Parigot de Souza, 5300 Campo Comprido, Curitiba, PR 81280-330, Brazil
| | - Eliane Carvalho de Vasconcelos
- Graduate Program in Industrial Biotechnology at Universidade Positivo, Pedro Viriato Parigot de Souza, 5300 Campo Comprido, Curitiba, PR 81280-330, Brazil; Graduate Program in Environmental Management at Universidade Positivo, Pedro Viriato Parigot de Souza, 5300 Campo Comprido, Curitiba, PR 81280-330, Brazil.
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Pane L, Mariottini GL, Giacco E. Ecotoxicological assessment of the micelle encapsulator F-500. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2015; 118:167-176. [PMID: 25938697 DOI: 10.1016/j.ecoenv.2015.04.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Revised: 04/17/2015] [Accepted: 04/20/2015] [Indexed: 06/04/2023]
Abstract
Surfactants are synthetic chemicals utilized as detergents and cleaning products or as dispersants and emulsifiers to face water pollution. In spite of this, due to their wide diffusion, surfactants can induce water and soil pollution, notably in developed countries, and can be toxic to organisms. Taking into account that the assessment of new compounds is mandatory in the European Union, in this research the ecotoxicity of fire-fighting micelle encapsulator F-500, newly utilized as dispersant in seawaters polluted with oil dumping, was evaluated. The assessment was carried out on a battery of test-organisms (freshwater algae, crustaceans, and larval fish; seawater algae, crustaceans, and bivalves; soil earthworms, and seeds) as well as on cultured cells (L-929 mouse fibroblasts), which were exposed to F-500 concentrations. According to the toxicity thresholds provided by GESAMP, F-500 resulted to be slightly or moderately toxic to all test-organisms, excluding the freshwater alga Pseudokirchneriella subcapitata that suffered highly toxic effects with IC50 values ranging from 0.21 to 0.49mg/L. The IC50 for mouse fibroblasts was 5.41µg/L after 24h treatment.
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Affiliation(s)
- Luigi Pane
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Viale Benedetto XV 5, I-16132 Genova, Italy.
| | - Gian Luigi Mariottini
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Viale Benedetto XV 5, I-16132 Genova, Italy.
| | - Elisabetta Giacco
- Department of Earth, Environment and Life Sciences (DISTAV), University of Genova, Viale Benedetto XV 5, I-16132 Genova, Italy.
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Mazzeo DEC, Marin-Morales MA. Genotoxicity evaluation of environmental pollutants using analysis of nucleolar alterations. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:9796-9806. [PMID: 25639248 DOI: 10.1007/s11356-015-4134-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Accepted: 01/15/2015] [Indexed: 06/04/2023]
Abstract
Nucleolar alterations resulting from the action of either chemical or physical agents can serve as important genotoxicity biomarkers. In this study, the efficiency of AgNOR banding technique to identify the presence of nucleoli in micronucleus and assess nucleolar alterations in aberrant cells of Allium cepa was evaluated. Seeds of this plant were exposed to both water samples from a river that receives untreated urban effluent and to the trifluralin herbicide (0.84 mg/L concentration), both analyzed in two different seasons (summer and winter seasons). Samples induced significant frequencies of chromosomal and nuclear aberrations and micronuclei, as observed in cells submitted to conventional chromosomal staining. The herbicide caused a significant increase in the number of nucleoli and micronuclei, interpreted as due to the elimination of excessive nucleolar material resulting from polyploidization. The use of the AgNOR technique enabled the identification of both the presence of the nucleolus in some micronuclei and the nucleolar organizer region (NOR) behavior of aberrant cells. The NOR-banding technique showed to be an efficient tool for studying the genotoxic effects caused by a xenobiotics and a complex environmental sample.
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Reis RM, Baio JAF, Migliorini FL, Rocha RDS, Baldan MR, Ferreira NG, Lanza MRDV. Degradation of dipyrone in an electrochemical flow-by reactor using anodes of boron-doped diamond (BDD) supported on titanium. J Electroanal Chem (Lausanne) 2013. [DOI: 10.1016/j.jelechem.2012.12.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Tsangaris C, Vergolyas M, Fountoulaki E, Goncharuk VV. Genotoxicity and oxidative stress biomarkers in Carassius gibelio as endpoints for toxicity testing of Ukrainian polluted river waters. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2011; 74:2240-2244. [PMID: 21880368 DOI: 10.1016/j.ecoenv.2011.08.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2011] [Revised: 08/04/2011] [Accepted: 08/05/2011] [Indexed: 05/31/2023]
Abstract
This study aimed to assess oxidative stress and genotoxicity biomarkers in Prussian carp Carassius gibelio laboratory-exposed to water from polluted Ukrainian rivers in order to evaluate their usefulness as endpoints in a short-term bioassay for toxicity testing of freshwaters. The micronucleus (MN) test and the frequency of cells with double nuclei (DN) in erythrocytes and gill cells were used as indicators of chromosome aberrations and abnormalities in cell divisions, respectively. Cellular antioxidant defenses i.e. antioxidant enzyme activities (catalase, Se-dependent glutathione peroxidase, total glutathione peroxidase and glutathione-S-transferase) and oxidative damage, i.e. lipid peroxidation (measured as thiobarbituric acid reactive substances) in the fish liver were used as biomarkers of oxidative stress. Exposure to the polluted river water samples for 96 h resulted in significantly increased MN and DN frequencies, limited increases in antioxidant enzyme activities and no changes in lipid peroxidation. Results suggest that MN and DN frequencies in C gibelio are useful endpoints in a short-term bioassay for genotoxicity testing of environmental water samples in contrast to the oxidative stress biomarkers applied that showed low potential for assessing sublethal effects after a 96 h exposure.
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Affiliation(s)
- C Tsangaris
- Institute of Oceanography, Hellenic Center for Marine Research (HCMR), 46.7km Athinon-Souniou Avenue, P.O. Box 712, 19013 Anavyssos, Greece.
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Pamplona JH, Oba ET, da Silva TA, Ramos LP, Ramsdorf WA, Cestari MM, Ribeiro CAO, Zampronio AR, de Assis HCS. Subchronic effects of dipyrone on the fish species Rhamdia quelen. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2011; 74:342-349. [PMID: 21040974 DOI: 10.1016/j.ecoenv.2010.09.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2010] [Revised: 07/31/2010] [Accepted: 09/19/2010] [Indexed: 05/30/2023]
Abstract
The use of the non-steroidal anti-inflammatory drugs such as dipyrone is so widespread that this drug and its metabolites have been detected in effluents and surface water. This study aimed to evaluate the potential toxic effects of dipyrone on the aquatic environment, using a native fish species, Rhamdia quelen. Fish were exposed to three concentrations of dipyrone, 0.5, 5 and 50 μg/L, in the water for 15 days, and hematological, biochemical, genetic and morphological biomarkers were evaluated. The glutathione S-transferase activity decreased in the highest concentration in relation to the control group. In addition, hematocrit, red blood cells and thrombocyte counts were decreased in all three exposed groups in relation to the control group. The comet assay showed DNA damage at the lowest concentration of dipyrone and significant kidney damage. Those results suggest that a constant exposure of aquatic organisms to dipyrone presents potential toxic effects.
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Affiliation(s)
- J H Pamplona
- Departamento de Farmacologia, Universidade Federal do Paraná, Caixa Postal 19031, CEP 81531-970, Curitiba-PR, Brazil
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Antunes LMG, de Barros E Lima Bueno R, da Luz Dias F, de Lourdes Pires Bianchi M. Acetylsalicylic acid exhibits anticlastogenic effects on cultured human lymphocytes exposed to doxorubicin. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2007; 626:155-61. [PMID: 17097912 DOI: 10.1016/j.mrgentox.2006.09.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2006] [Revised: 09/20/2006] [Accepted: 09/29/2006] [Indexed: 11/16/2022]
Abstract
Acetylsalicylic acid (ASA) is a non-steroidal anti-inflammatory drug (NSAID) with many pharmacological properties, such as anti-inflammatory, antipyretic and analgesic. Many studies have suggested the possible efficiency of ASA and other NSAIDs in preventing cancer. ASA could also have antimutagenic and antioxidant properties. The aim of this study was to investigate the possible clastogenic and anticlastogenic effects of different concentrations of ASA on doxorubicin-induced chromosomal aberrations in human lymphocytes. Human blood samples were obtained from six healthy, non-smoking volunteers; and the chromosomal aberration assay was carried out using conventional techniques. The parameters analyzed were mitotic index, total number of chromosomal aberrations and percentage of aberrant metaphases. The concentrations of ASA (25, 50 or 100 microg/mL) tested in combination with DXR (0.2 microg/mL) were established on the basis of the results of the mitotic index. The treatment with ASA alone was neither cytotoxic nor clastogenic (p>0.01). In lymphocyte cultures treated with different combinations of ASA and DXR, a significant decrease in the total number of chromosome aberrations was observed compared with DXR alone (p<0.01). This protective effect of ASA on DXR-induced chromosomal damage was obtained for all combinations, and it was most evident when ASA was at 25.0 microg/mL. In our experiments, ASA may have acted as an antioxidant and inhibited the chromosomal damage induced by the free radicals generated by DXR. The identification of compounds that could counteract the free radicals produced by doxorubicin could be of possible benefits against the potential harmful effects of anthracyclines. The results of this study show that there is a relevant need for more investigations in order to elucidate the mechanisms underlying the anticlastogenic effect of ASA.
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Affiliation(s)
- Lusânia Maria Greggi Antunes
- Depto de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, São Paulo, Brazil.
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Arkhipchuk VV, Garanko NN. Using the nucleolar biomarker and the micronucleus test on in vivo fish fin cells. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2005; 62:42-52. [PMID: 15978290 DOI: 10.1016/j.ecoenv.2005.01.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2004] [Revised: 12/18/2004] [Accepted: 01/19/2005] [Indexed: 05/03/2023]
Abstract
This study was aimed at developing the nucleolar biomarker and the micronucleus test on in vivo fish fin cells for assessing water cytotoxicity and genotoxicity. Both biomarkers can be used either jointly or separately on fins of the same fish during the experiment. For studying the nucleolar characteristics, small pieces of the fin edge were cut several times during 30-180 min of fish exposure. For micronucleus testing, the fin tissue regenerating after its cutting was investigated after 2-5 days of fish incubation. Effects of copper (0.1 and 2.5 mg/L), cadmium (0.005 and 1.0 mg/L) ions and chloral hydrate (400 and 800 mg/L) solutions were studied on cells of common carp (Cyprinus carpio L.), crucian carp (Carassius auratus gibelio Bloch.), and Mozambique tilapia (Tilapia (Sautherodon) mossambica) using a set of nucleolar characteristics (the number of nucleoli per cell, the size of a single nucleolus, and the percentage of cells with heteromorphic paired nucleoli) and the frequencies of cells with micronuclei and double nuclei. Substantial changes in parameters of nucleolar activity of fin cells were found to be caused by cadmium and copper impact. In comparison to blood cells, gill and fin cells were more sensitive as demonstrated by their nuclear damages after the chloral hydrate influence. Fin cells were useful to determine periodically cytotoxic and genotoxic effects of organic and inorganic substances in the same individual fish without any disruption of its physiological functions.
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Affiliation(s)
- V V Arkhipchuk
- Laboratory of Biomarkers and Biotesting, Institute of Colloid Chemistry and Water Chemistry, Kiev, Ukraine.
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