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Zhou Z, Liu T, Luo T, Zhao Z, Zhu J. Effect of titanium dioxide nanoparticle (TiO 2-NP) exposure in a novel Amur sturgeon Acipenser schrenckii hepatocyte cell line. JOURNAL OF FISH BIOLOGY 2024; 105:894-906. [PMID: 39392126 DOI: 10.1111/jfb.15853] [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: 03/04/2024] [Revised: 05/30/2024] [Accepted: 06/07/2024] [Indexed: 10/12/2024]
Abstract
In vitro cell culture is crucial for predicting the toxicity of titanium dioxide nanoparticle (TiO2-NP). However, assessing the toxicity of TiO2-NPs in sturgeon remains difficult given the lack of sufficient cell lines. We established and characterized the first hepatocyte cell line from Acipenser schrenckii liver tissue (ASL). This ASL cell line proliferated well in Dulbecco's modified Eagle's medium at 25°C and 10% fetal bovine serum. ASL cells with a chromosome number of 244 were successfully transfected with the pEGFP-N3 plasmid. The ASL cell line's origin was verified as A. schrenckii through mitochondrial cytochrome C oxidase I and mitochondrial 16S ribosomal RNA (rRNA) sequencing. Using the ASL cell line as an in vitro model, we found that TiO2-NP exposure decreased the viability and promoted the damage of ASL cells (96-h LC50 = 331.8 μg mL-1). Increased reactive oxygen species and malondialdehyde levels in ASL cells suggested oxidative stress under TiO2-NP exposure. We also observed dysregulation of aspartate aminotransferase and alanine aminotransferase levels. By detecting calcium ions and mitochondrial membrane potential indicators, we found that the apoptotic pathway induced by endoplasmic reticulum stress played a major role at low concentrations of TiO2-NP-induced stress. Both mitochondria-mediated and endoplasmic reticulum stress promoted apoptosis under increasing TiO2-NP concentrations. In conclusion, the ASL cell line established in this study is a useful in vitro model for toxicological studies of TiO2-NP exposure in fish.
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Affiliation(s)
- Zhou Zhou
- Guizhou Fisheries Research Institute, Guizhou Academy of Agriculture Sciences, Guiyangg, China
- Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, China
- Key Laboratory of Aquacultural Biotechnology Ministry of Education, and Key Laboratory of Marine Biotechnology of Zhejiang Province, College of Marine Sciences, Ningbo University, Ningbo, China
| | - Ting Liu
- Guizhou Fisheries Research Institute, Guizhou Academy of Agriculture Sciences, Guiyangg, China
- Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, China
| | - Tianxun Luo
- Guizhou Fisheries Research Institute, Guizhou Academy of Agriculture Sciences, Guiyangg, China
- Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, China
| | - Zhenxing Zhao
- Guizhou Fisheries Research Institute, Guizhou Academy of Agriculture Sciences, Guiyangg, China
- Guizhou Special Aquatic Products Engineering Technology Center, Guiyang, China
| | - Junquan Zhu
- Key Laboratory of Aquacultural Biotechnology Ministry of Education, and Key Laboratory of Marine Biotechnology of Zhejiang Province, College of Marine Sciences, Ningbo University, Ningbo, China
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2
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Qiao Y, Zhang Q, He Y, Cheng T, Tu J. A simple joint detection platform for high-throughput single-cell heterogeneity screening. Talanta 2024; 269:125460. [PMID: 38039667 DOI: 10.1016/j.talanta.2023.125460] [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: 02/19/2023] [Revised: 10/13/2023] [Accepted: 11/20/2023] [Indexed: 12/03/2023]
Abstract
Single cell heterogeneity plays an important role in many biological phenomena and distinguishing cells that exhibit certain mutation in sample could benefit clinical diagnose and drug screening. Typical single cell detection methods such as flow cytometry, in-situ hybridization, real-time amplification or sequencing test either protein or nucleic acid as target and usually require specialized instruments. Joint measurement of the both types of targets could be done by combining the above strategies precisely but also unwieldly. Methods for rapidly and parallelly screening single cells with target genotype and antigen is needed. In this study, we describe a gel plate platform to distinguish cell types based on their phenotypes on target gene and antigen with low equipment requirement. Integrated cell lysis and immobilization were done in the gel solidification step, after which antibody hybridization and real-time amplification were sequentially carried out without losing the original loci information of individual single cells so the three types of information of individual single cells could be combined to distinguished cells with expected genotype and phenotype. The easy-to-use gel platform has potential in point-of-care circumstances and single-cell stimulation response that have high requirements on efficiency and simplicity.
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Affiliation(s)
- Yi Qiao
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Qiongdan Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yukun He
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Tianguang Cheng
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Jing Tu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
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3
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Torrecilla I, Ruggiano A, Kiianitsa K, Aljarbou F, Lascaux P, Hoslett G, Song W, Maizels N, Ramadan K. Isolation and detection of DNA-protein crosslinks in mammalian cells. Nucleic Acids Res 2024; 52:525-547. [PMID: 38084926 PMCID: PMC10810220 DOI: 10.1093/nar/gkad1178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 11/21/2023] [Accepted: 11/23/2023] [Indexed: 01/26/2024] Open
Abstract
DNA-protein crosslinks (DPCs) are toxic DNA lesions wherein a protein is covalently attached to DNA. If not rapidly repaired, DPCs create obstacles that disturb DNA replication, transcription and DNA damage repair, ultimately leading to genome instability. The persistence of DPCs is associated with premature ageing, cancer and neurodegeneration. In mammalian cells, the repair of DPCs mainly relies on the proteolytic activities of SPRTN and the 26S proteasome, complemented by other enzymes including TDP1/2 and the MRN complex, and many of the activities involved are essential, restricting genetic approaches. For many years, the study of DPC repair in mammalian cells was hindered by the lack of standardised assays, most notably assays that reliably quantified the proteins or proteolytic fragments covalently bound to DNA. Recent interest in the field has spurred the development of several biochemical methods for DPC analysis. Here, we critically analyse the latest techniques for DPC isolation and the benefits and drawbacks of each. We aim to assist researchers in selecting the most suitable isolation method for their experimental requirements and questions, and to facilitate the comparison of results across different laboratories using different approaches.
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Affiliation(s)
- Ignacio Torrecilla
- The MRC Weatherall Institute of Molecular Medicine, Department of Oncology, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DS, UK
| | - Annamaria Ruggiano
- The MRC Weatherall Institute of Molecular Medicine, Department of Oncology, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DS, UK
| | - Kostantin Kiianitsa
- Department of Immunology, University of Washington, Seattle, WA 98195-7350, USA
| | - Ftoon Aljarbou
- The MRC Weatherall Institute of Molecular Medicine, Department of Oncology, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DS, UK
| | - Pauline Lascaux
- The MRC Weatherall Institute of Molecular Medicine, Department of Oncology, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DS, UK
| | - Gwendoline Hoslett
- The MRC Weatherall Institute of Molecular Medicine, Department of Oncology, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DS, UK
| | - Wei Song
- The MRC Weatherall Institute of Molecular Medicine, Department of Oncology, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DS, UK
| | - Nancy Maizels
- Department of Immunology, University of Washington, Seattle, WA 98195-7350, USA
- Department of Biochemistry, University of Washington, Seattle, WA 98195-7350, USA
| | - Kristijan Ramadan
- The MRC Weatherall Institute of Molecular Medicine, Department of Oncology, John Radcliffe Hospital, University of Oxford, Oxford, OX3 9DS, UK
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Ribas JLC, Rossi S, Galvan GL, de Almeida W, Cestari MM, Assis HCSD, Zampronio AR. Co-exposure effects of lead and TiO 2 nanoparticles in primary kidney cell culture from the freshwater fish Hoplias malabaricus. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023:104187. [PMID: 37331674 DOI: 10.1016/j.etap.2023.104187] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 05/24/2023] [Accepted: 06/15/2023] [Indexed: 06/20/2023]
Abstract
This study evaluated the effects of Lead (Pb) and titanium dioxide nanoparticles (TiO2 NPs) alone or in combination in anterior kidney macrophages of the freshwater fish Hoplias malabaricus, naïve or stimulated with 1ng.mL-1 lipopolysaccharide (LPS). Pb (1×10-5 to 1×10-1mg.mL-1) or TiO2 NPs (1.5×10-6 to 1.5×10-2mg.mL-1) reduced cell viability despite LPS stimulation, especially Pb 10-1mg.mL-1. In combination, lower concentrations of NPs intensified Pb-induced cell viability reduction while higher concentrations restored the cell viability independently of LPS stimulation. Basal and LPS- induced NO production was reduced by both TiO2 NPs and Pb isolated. The combination of both xenobiotics avoided this reduction of NO production by the isolated compounds at lower concentrations but the protective effect was lost as the concentrations increased. None xenobiotic increase DNA fragmentation. Therefore, at specific conditions, TiO2 NPs may have a protective effect over Pb toxicity, may also provide additional toxicity at higher concentrations.
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Affiliation(s)
| | - Stéfani Rossi
- Department of Pharmacology, Biological Sciences Sector, Federal University of Paraná
| | | | - William de Almeida
- Department of Genetics, Biological Sciences Sector, Federal University of Paraná
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5
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Çiçek S. Influences of l-ascorbic acid on cytotoxic, biochemical, and genotoxic damages caused by copper II oxide nanoparticles in the rainbow trout gonad cells-2. Comp Biochem Physiol C Toxicol Pharmacol 2023; 266:109559. [PMID: 36738901 DOI: 10.1016/j.cbpc.2023.109559] [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: 11/03/2022] [Revised: 01/09/2023] [Accepted: 01/25/2023] [Indexed: 02/05/2023]
Abstract
In parallel with the raising use of copper oxide nanoparticles (CuO NPs) in various industrial and commercial practices, scientific reports on their release to the environment and toxicity are increasing. The toxicity of CuO NPs is mostly based on their oxidative stress. Therefore, it is necessary to investigate the efficacy of well-known therapeutic agents as antioxidants against CuO NPs damage. This study aimed to investigate the mechanism of this damage and to display whether l-ascorbic acid could preserve against the cell toxicities induced by CuO NPs in the rainbow trout gonad cells-2 (RTG-2). While CuO NPs treatment significantly diminished cell viability, the l-ascorbic acid supplement reversed this. l-ascorbic acid treatment reversed the changes in expressions of sod1, sod2, gpx1a, and gpx4b genes while playing a supportive role in the changes in the expression of the cat gene induced by CuO NPs treatment. Moreover, CuO NPs treatment caused an upregulation in the expressions of growth-related genes (gh1, igf1, and igf2) and l-ascorbic acid treatment further increased these effects. CuO NPs treatment significantly up-regulated the expression of the gapdh gene (glycolytic enzyme gene) compared to the control group, and l-ascorbic acid treatment significantly down-regulated the expression of the gapdh gene compared to CuO NPs treatment. The genotoxicity test demonstrated that l-ascorbic acid treatment increased the genotoxic effect caused by CuO NPs by acting as a co-mutagen. Based on the findings, l-ascorbic acid has the potential to be sometimes inhibitory and sometimes supportive of cellular mechanisms caused by CuO NPs.
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Affiliation(s)
- Semra Çiçek
- Animal Biotechnology Department, Faculty of Agriculture, Atatürk University, Erzurum 25400, Turkey.
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Da Silva GH, Franqui LS, De Farias MA, De Castro VLSS, Byrne HJ, Martinez DST, Monteiro RTR, Casey A. TiO 2-MWCNT nanohybrid: Cytotoxicity, protein corona formation and cellular internalisation in RTG-2 fish cell line. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 257:106434. [PMID: 36870176 DOI: 10.1016/j.aquatox.2023.106434] [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: 04/04/2022] [Revised: 01/03/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
Titanium dioxide nanoparticles-multiwalled carbon nanotubes (TiO2-MWCNT) nanohydrid has an enhanced photocatalytic activity across the visible light with promising applications in environmental remediation, solar energy devices and antimicrobial technologies. However, it is necessary to evaluate the toxicological effects of TiO2-MWCNT towards safe and sustainable development of nanohybrids. In this work, we studied the cytotoxicity, protein corona formation and cellular internalisation of TiO2-MWCNT on fibroblasts derived from gonadal rainbow trout tissue (RTG-2) for the first time. This nanohydrid did not show any toxicity effect on RTG-2 cells up to 100 mg L-1 after 24 h of exposure as monitored by alamar blue, neutral red and trypan blue assays (in presence or absence of foetal bovine serum, FBS). Futhermore, cryo-transmission electron microscopy analysis demonstrated that TiO2 particles is attached on nanotube surface after FBS-protein corona formation in cell culture medium. Raman spectroscopy imaging showed that TiO2-MWCNT can be internalised by RTG-2 cells. This work is a novel contribution towards better understanding the nanobiointeractions of nanohydrids linked to their in vitro effects on fish cells in aquatic nanoecotoxicology.
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Affiliation(s)
- Gabriela H Da Silva
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, São Paulo, Brazil; Center of Nuclear Energy in Agriculture (CENA), University of São Paulo (USP), Piracicaba, São Paulo, Brazil; Laboratory of Ecotoxicology and Biosafety, EMBRAPA Environment, Jaguariúna, São Paulo, Brazil; FOCAS Research Institute, TU Dublin, City Campus, Camden Row, Dublin 8, Ireland.
| | - Lidiane Silva Franqui
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, São Paulo, Brazil
| | - Marcelo A De Farias
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, São Paulo, Brazil
| | | | - Hugh J Byrne
- FOCAS Research Institute, TU Dublin, City Campus, Camden Row, Dublin 8, Ireland
| | - Diego S T Martinez
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, São Paulo, Brazil; Center of Nuclear Energy in Agriculture (CENA), University of São Paulo (USP), Piracicaba, São Paulo, Brazil
| | - Regina T R Monteiro
- Center of Nuclear Energy in Agriculture (CENA), University of São Paulo (USP), Piracicaba, São Paulo, Brazil
| | - Alan Casey
- FOCAS Research Institute, TU Dublin, City Campus, Camden Row, Dublin 8, Ireland
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7
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de Almeida W, Matei JC, Akiyama Kitamura RS, Gomes MP, Leme DM, Silva de Assis HC, Vicari T, Cestari MM. Alkylphenols cause cytotoxicity and genotoxicity induced by oxidative stress in RTG-2 cell line. CHEMOSPHERE 2023; 313:137387. [PMID: 36436576 DOI: 10.1016/j.chemosphere.2022.137387] [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: 10/07/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 06/16/2023]
Abstract
Alkylphenols ethoxylates are industrial surfactants, and the release in the environmental matrices produces degraded products, of which nonylphenol (NP) and octylphenol (OP) were the most common. They can be classified as endocrine disruptors since the estrogenic potential is widely recognized, but some others toxic aspects are in discussion. This study aimed to evaluate the toxicity of NP, OP, and mixtures of both through cellular, biochemical and genetic biomarkers in fish gonadal cell line RTG-2 exposed to nominal concentrations of 0.05; 0.5; 5; 50, and 100 μg mL-1 of each chemical and their mixtures of 0.05, 0.5; 5 μg mL-1 concentrations. After 24 h, the cells were collected for cytotoxic (neutral red - NR; crystal violet - CV, resazurin assay - RA and lactate-dehydrogenase - LDH), antioxidant system (glutathione-s-transferase - GST; superoxide-dismutase - SOD; glutathione-peroxidase - GPx and malondialdehyde - MDA) and genotoxic assays (alkaline comet assay and Fpg-modified alkaline comet assay). The chemicals and their mixtures were cytotoxic at 50 and 100 μg mL-1, in general aspect, but LDH showed cytotoxicity since 0.05 μg mL-1. The GST and SOD showed an activity increase trend in most tested groups, while GPx decreased at 5 μg mL-1 of the mixture. The MDA increase in all groups resulted in lipid peroxidation. The reactive oxygen species caused DNA damage for all groups. The tested chemicals and concentrations have been found in the freshwater systems. They can induce cell toxicity in several parameters that could impair the gonadal tissues considering the RTG-2 responses.
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Affiliation(s)
- William de Almeida
- Ecology and Conservation Program, Federal University of Paraná, Brazil; Genetics Department, Federal University of Paraná, Brazil.
| | | | - Rafael Shinji Akiyama Kitamura
- Ecology and Conservation Program, Federal University of Paraná, Brazil; Pharmacology Department, Federal University of Paraná, Brazil; Botany Department, Federal University of Paraná, Brazil
| | | | | | | | - Taynah Vicari
- Ecology and Conservation Program, Federal University of Paraná, Brazil; Genetics Department, Federal University of Paraná, Brazil
| | - Marta Margarete Cestari
- Ecology and Conservation Program, Federal University of Paraná, Brazil; Genetics Department, Federal University of Paraná, Brazil
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8
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Landsiedel R, Honarvar N, Seiffert SB, Oesch B, Oesch F. Genotoxicity testing of nanomaterials. WIRES NANOMEDICINE AND NANOBIOTECHNOLOGY 2022; 14:e1833. [DOI: 10.1002/wnan.1833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 06/02/2022] [Accepted: 06/06/2022] [Indexed: 11/24/2022]
Affiliation(s)
- Robert Landsiedel
- Experimental Toxicology and Ecology BASF SE Ludwigshafen am Rhein Germany
- Pharmacy, Pharmacology and Toxicology Free University of Berlin Berlin Germany
| | - Naveed Honarvar
- Experimental Toxicology and Ecology BASF SE Ludwigshafen am Rhein Germany
| | | | - Barbara Oesch
- Oesch‐Tox Toxicological Consulting and Expert Opinions, GmbH & Co KG Ingelheim Germany
| | - Franz Oesch
- Oesch‐Tox Toxicological Consulting and Expert Opinions, GmbH & Co KG Ingelheim Germany
- Institute of Toxicology Johannes Gutenberg University Mainz Germany
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9
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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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Rodrigues-Souza I, Pessatti JBK, da Silva LR, de Lima Bellan D, de Souza IR, Cestari MM, de Assis HCS, Rocha HAO, Simas FF, da Silva Trindade E, Leme DM. Protective potential of sulfated polysaccharides from tropical seaweeds against alkylating- and oxidizing-induced genotoxicity. Int J Biol Macromol 2022; 211:524-534. [PMID: 35577199 DOI: 10.1016/j.ijbiomac.2022.05.077] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/07/2022] [Accepted: 05/09/2022] [Indexed: 12/18/2022]
Abstract
Sulfated polysaccharides (SPs) from seaweeds are potential bioactive natural compounds, but their DNA protective activity is poorly explored. This article aimed to evaluate the genotoxic/antigenotoxic potentials of a sulfated heterofucan from brown seaweed Spatoglossum schröederi (Fucan A - FA) and a sulfated galactan from green seaweed Codium isthomocladum (3G4S) using in vitro Comet assay (alkaline and oxidative versions) with HepG2 cells. The antioxidant activity of these SPs was evaluated by total antioxidant capacity, radical scavenging, metal chelating, and antioxidant enzyme activity assays. Both SPs were not genotoxic. FA and 3G4S displayed strong antigenotoxic activity against oxidizing chemical (H2O2) but not against alkylating chemical (MMS). The DNA damage reduction after a pre-treatment of 72 h with these SPs was 81.42% to FA and 81.38% to 3G4S. In simultaneous exposure to FA or 3G4S with H2O2, HepG2 cells presented 48.04% and 55.41% of DNA damage reduction compared with the control, respectively. The antigenotoxicity of these SPs relates to direct antioxidant activity by blockage of the initiation step of the oxidative chain reaction. Therefore, we conclude that FA and 3G4S could be explored as functional natural compounds with antigenotoxic activity due to their great protection against oxidative DNA damage.
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Affiliation(s)
| | | | | | - Daniel de Lima Bellan
- Department of Cell Biology, Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | | | | | | | | | | | | | - Daniela Morais Leme
- Departament of Genetics, Federal University of Paraná (UFPR), Curitiba, PR, Brazil.
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Zhou Z, Chen H, Li Y, Liu Q, Lu K, Zhu X, Wang Y. Transcriptome and biochemical analyses of rainbow trout (Oncorhynchus mykiss) RTG-2 gonadal cells in response to BDE-47 stress indicates effects on cell proliferation. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 245:106108. [PMID: 35189508 DOI: 10.1016/j.aquatox.2022.106108] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 02/03/2022] [Accepted: 02/06/2022] [Indexed: 06/14/2023]
Abstract
2,2',4,4'-Tetrabromodiphenyl ether (BDE-47) is a biotoxin of polybrominated diphenyl ether (PBDEs) frequently detected in the environment. Apoptosis and cell cycle arrest are important toxic phenomena of xenobiotics that inhibit cell proliferation. In this study, we investigated the effects of BDE-47 (5 μM, 10 μM, 20 μM, 40 μM) on cell viability, morphology, cell cycle and apoptosis. BDE-47 significantly decreased cell viability, and morphological alterations were observed. The significant increase in cells at G1 phase indicated the occurrence of G1 phase cell cycle arrest in RTG-2 cells. An acridine orange and ethidium bromide (AO/EB) staining assay was employed and revealed the induction of apoptosis in RTG-2 cells. The results indicated that BDE-47 exposure inhibits cell proliferation. Transcriptome analysis was applied for further evidence. A total of 1300 differentially expressed genes (DEGs) were identified in RTG-2 cells, among which 26 DEGs were associated with the cell cycle and apoptosis. Western blotting and qPCR analyses also showed the expression of cell cycle- and apoptosis-related proteins and genes. Mapping the Kyoto Encyclopedia of Genes and Genomes (KEGG) database, p53, Tumor necrosis factor (TNF), Mitogen-activated protein kinase (MAPK), phosphatidylinositide 3-kinase-AKT (PI3K-AKT), and reaction oxygen species (ROS)-mediated signaling pathways were determined to be the major pathways involved in modulating the cell cycle and apoptosis. Since we demonstrated simultaneous ROS overproduction during BDE-47 exposure in a previous study, we speculated a possible explanation for the observation: BDE-47-induced ROS overproduction was the initiating signal, which activated cell cycle arrest and apoptosis and finally inhibited cell proliferation.
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Affiliation(s)
- Zhongyuan Zhou
- Department of Marine Ecology, College of Marine Life Science, Ocean University of China, Qingdao, 266003, China.
| | - Hongmei Chen
- Key Laboratory of Xinjiang Endemic Phytomedicine Resources, Ministry of Education, Pharmacology Department, School of Pharmacy, Shihezi University, Shihezi, 832002, China.
| | - Yuanyuan Li
- Department of Marine Ecology, College of Marine Life Science, Ocean University of China, Qingdao, 266003, China.
| | - Qian Liu
- Department of Marine Ecology, College of Marine Life Science, Ocean University of China, Qingdao, 266003, China.
| | - Keyu Lu
- Department of Geography, University College London, London WC1E 6BT, UK.
| | - Xiaoshan Zhu
- Physiology and Toxicology, Graduate School of Shenzhen, Tsinghua University.
| | - You Wang
- Department of Marine Ecology, College of Marine Life Science, Ocean University of China, Qingdao, 266003, China; Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, China.
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12
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Goetten de Lima G, Wilke Sivek T, Matos M, Lundgren Thá E, de Oliveira KMG, Rodrigues de Souza I, de Morais de Lima TA, Cestari MM, Esteves Magalhães WL, Hansel FA, Morais Leme D. A biocide delivery system composed of nanosilica loaded with neem oil is effective in reducing plant toxicity of this biocide. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 294:118660. [PMID: 34896221 DOI: 10.1016/j.envpol.2021.118660] [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: 08/26/2021] [Revised: 11/08/2021] [Accepted: 12/07/2021] [Indexed: 06/14/2023]
Abstract
One possible way to reduce the environmental impacts of pesticides is by nanostructuring biocides in nanocarriers because this promotes high and localized biocidal activity and can avoid toxicity to non-target organisms. Neem oil (NO) is a natural pesticide with toxicity concerns to plants, fish, and other organisms. Thus, loading NO in a safe nanocarrier can contribute to minimizing its toxicity. For this study, we have characterized the integrity of a nanosilica-neem oil-based biocide delivery system (SiO2NP#NO BDS) and evaluated its effectiveness in reducing NO toxicity by the Allium cepa test. NO, mainly consisted of unsaturated fatty acids, was well binded to the SiO2NP with BTCA crosslinker. Overall, this material presented all of its pores filled with the NO with fatty acid groups at both the surface and bulk level of the nanoparticle. The thermal stability of NO was enhanced after synthesis, and the NO was released as zero-order model with a total of 20 days without burst release. The SiO2NP#NO BDS was effective in reducing the individual toxicity of NO to the plant system. NO in single form inhibited the seed germination of A. cepa (EC50 of 0.38 g L-1), and the effect was no longer observed at the BDS condition. Contrarily to the literature, the tested NO did not present cyto- and geno-toxic effects in A. cepa, which may relate to the concentration level and composition.
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Affiliation(s)
- Gabriel Goetten de Lima
- Graduate Program in Engineering and Science of Materials - PIPE, Federal University of Paraná - UFPR, 81.531-990, Curitiba, PR, Brazil; Materials Research Institute, Athlone Institute of Technology, Athlone, Ireland
| | - Tainá Wilke Sivek
- Department of Genetics, Federal University of Paraná, Curitiba, PR, Brazil
| | - Mailson Matos
- Graduate Program in Engineering and Science of Materials - PIPE, Federal University of Paraná - UFPR, 81.531-990, Curitiba, PR, Brazil
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de Souza IR, Canavez ADPM, Schuck DC, Gagosian VSC, de Souza IR, Vicari T, da Silva Trindade E, Cestari MM, Lorencini M, Leme DM. Development of 3D cultures of zebrafish liver and embryo cell lines: a comparison of different spheroid formation methods. ECOTOXICOLOGY (LONDON, ENGLAND) 2021; 30:1893-1909. [PMID: 34379241 DOI: 10.1007/s10646-021-02459-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/20/2021] [Indexed: 06/13/2023]
Abstract
Fish cell spheroids are promising 3D culture models for vertebrate replacement in ecotoxicology. However, new alternative ecotoxicological methods must be adapted for applications in industry and for regulatory purposes; such methods must be cost-effective, simple to manipulate and provide rapid results. Therefore, we compared the effectiveness of the traditional hanging drop (HD), orbital shaking (OS), and HD combined with OS (HD+OS) methods on the formation of zebrafish cell line spheroids (ZFL and ZEM2S). Time in HD (3-5 days) and different 96-well plates [flat-bottom or ultra-low attachment of round-bottom (ULA-plates)] in OS were evaluated. Easy handling, rapid spheroid formation, uniform-sized spheroids, and circularity were assessed to identify the best spheroid protocol. Traditional HD alone did not result in ZFL spheroid formation, whereas HD (5 days)+OS did. When using the OS, spheroids only formed on the ULA-plate. Both HD+OS and OS were reproducible in size (177.50 ± 2.81 µm and 225.62 ± 19.20 µm, respectively) and circularity (0.83 ± 0.02 and 0.80 ± 0.01, respectively) of ZFL spheroids. Nevertheless, HD+OS required a considerable time to completely form spheroids (10 days) and intensive handling, whereas the OS was fast (5 days of incubation) and simple. OS also yielded reproducible ZEM2S spheroids in 1 day (226.23 ± 0.57 µm diameter and 0.80 ± 0.01 circularity). In conclusion, OS in ULA-plate is an effective and simple spheroid protocol for high-throughput ecotoxicity testing. This study contributes to identify a fast, reproducible, and simple protocol of single piscine spheroid formation in 96-well plates and supports the application of fish 3D model in industry and academia.
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Affiliation(s)
| | | | | | | | | | - Taynah Vicari
- Graduate Program in Genetics, Department of Genetics, Federal University of Paraná (UFPR), Paraná, Brazil
| | | | | | - Marcio Lorencini
- Grupo Boticário, R&D Department, São José dos Pinhais, Paraná, Brazil
| | - Daniela Morais Leme
- Department of Genetics, Federal University of Paraná (UFPR), Paraná, Brazil.
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Thá EL, Matos M, Avelino F, Lomonaco D, Rodrigues-Souza I, Gagosian VSC, Cestari MM, Magalhães WLE, Leme DM. Safety aspects of kraft lignin fractions: Discussions on the in chemico antioxidant activity and the induction of oxidative stress on a cell-based in vitro model. Int J Biol Macromol 2021; 182:977-986. [PMID: 33887289 DOI: 10.1016/j.ijbiomac.2021.04.103] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 04/09/2021] [Accepted: 04/16/2021] [Indexed: 11/18/2022]
Abstract
Lignin is a complex phenolic biopolymer present in plant cell walls and a by-product of the cellulose pulping industry. Lignin has functional properties, such as antioxidant activity, that make it a potential natural active ingredient for health-care products. However, not all safety aspects of lignin fractions have been adequately investigated. Herein, we evaluated the antioxidant and genotoxic potential of two hardwood kraft lignins (F3 and F5). The chemical characterization of F3 and F5 demonstrated their thermal stability and the presence of different phenolic units, while the DPPH assay confirmed the antioxidant activity of these lignin fractions. Despite being antioxidants in the DPPH assay, F3 and F5 were capable of generating intracellular reactive oxygen species (ROS) and subsequently causing oxidative DNA damage (Comet assay) in HepG2 cells. The biological relevance of the DPPH assay might be uncertain in some cases; therefore, we suggest combining in chemico tests with biological system-based tests to determine efficacy and safety levels of lignins and define appropriate applications of lignins for consumer products. Moreover, kraft lignins obtained by acid precipitation may pose risks to human health; however, as genotoxicity is not the sole endpoint of toxicity required in hazard assessments, additional toxicological evaluations are needed.
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Affiliation(s)
- Emanoela Lundgren Thá
- Graduate Program in Genetics, Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | - Mailson Matos
- Graduate Program in Engineering and Materials Science (PIPE), Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | - Francisco Avelino
- Federal Institute of Education, Science and Technology of Ceará (IFCE), Iguatu, CE, Brazil
| | - Diego Lomonaco
- Department of Organic and Inorganic Chemistry - Federal University of Ceará (UFCE), Fortaleza, CE, Brazil
| | - Isisdoris Rodrigues-Souza
- Graduate Program in Genetics, Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | | | - Marta Margarete Cestari
- Graduate Program in Genetics, Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil
| | - Washington Luiz Esteves Magalhães
- Graduate Program in Engineering and Materials Science (PIPE), Federal University of Paraná (UFPR), Curitiba, PR, Brazil; Embrapa Florestas, Colombo, PR, Brazil
| | - Daniela Morais Leme
- Graduate Program in Genetics, Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil.
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Abbas WT. Advantages and prospective challenges of nanotechnology applications in fish cultures: a comparative review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:7669-7690. [PMID: 33398757 DOI: 10.1007/s11356-020-12166-0] [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: 03/28/2020] [Accepted: 12/18/2020] [Indexed: 06/12/2023]
Abstract
Applications of nanotechnology in fish cultures have participated in getting over various difficulties that hinder fish productivity. They can achieve growth performance after adding some important minerals and vitamins in the form of nano-feed supplements like selenium, zinc, iron, and vitamin C. Also, they have an important role in reproduction, and fish medicine as antimicrobial, drug delivery, nano-vaccination, and rapid disease diagnosis. Moreover, their roles in water remediation and purification, and fish packaging are documented. On the other hand, some nanoparticles exhibit toxic effects on living organisms, which return to their tiny size, high reactivity, and permeability. They can alter many physiological functions and cause cytotoxicity, DNA damage, and histopathological changes. Also, nanotechnology applications cause new secondary pollutants to be introduced into the environment that can negatively affect fish health and the surrounding living organisms. So, in spite of the promising applications of nanotechnology to fulfill high growth performance and pathogen-free fish, there are a lot of debates about the potential toxicity of nanomaterials, their reactivity with the surrounding environment, and bioaccumulation. The present review aims to elucidate and discuss various advantages and challenges of nanotechnology applications in fish cultures. Also, it points to green nanotechnology as a promising alternative to chemical ones.
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Affiliation(s)
- Wafaa Tawfik Abbas
- Departmentof Hydrobiology, National Research Centre, 33 El Bohouth St. Dokki, P.O. Box 12622, Giza, Egypt.
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16
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Pereira IB, Carvalho EHDS, Rodrigues LDB, Mattos BD, Magalhães WLE, Leme DM, Krawczyk-Santos AP, Taveira SF, de Oliveira GAR. Thymol-Loaded Biogenic Silica Nanoparticles in an Aquatic Environment: The Impact of Particle Aggregation on Ecotoxicity. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2021; 40:333-341. [PMID: 33210755 DOI: 10.1002/etc.4938] [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: 08/13/2020] [Revised: 09/17/2020] [Accepted: 11/16/2020] [Indexed: 06/11/2023]
Abstract
Thymol, a monoterpene phenol, is used as a natural biocide. To circumvent its chemical instability, we propose use of thymol-loaded biogenic silica nanoparticles (BSiO2 #THY NPs); however, the toxicity of this system for aquatic organisms is unknown. Thus, the present study aimed to evaluate the toxicogenetic effects induced by thymol, BSiO2 NP, and BSiO2 #THY on Artemia salina and zebrafish (Danio rerio) early life stages. We also investigated the impact of BSiO2 aggregation in different exposure media (saline and freshwater). Based on the median lethal concentration at 48 h (LC5048h ), BSiO2 #THY (LC5048h = 1.06 mg/L) presented similar toxic potential as thymol (LC5048h = 1.03 mg/L) for A. salina, showing that BSiO2 had no influence on BSiO2 #THY toxicity. Because BSiO2 aggregated and sedimented faster in A. salina aqueous medium than in the other medium, this NP had lower interaction with this microcrustacean. Thus, BSiO2 #THY toxicity for A. salina is probably due to the intrinsic toxicity of thymol. For zebrafish early life stages, BSiO2 #THY (LC5096h = 13.13 mg/L) was more toxic than free thymol (LC5096h = 25.60 mg/L); however, BSiO2 NP has no toxicity for zebrafish early life stages. The lower aggregation of BSiO2 in the freshwater medium compared to the saline medium may have enhanced thymol's availability for this aquatic organism. Also, BSiO2 #THY significantly induced sublethal effects as thymol, and both were genotoxic for zebrafish. In conclusion, although BSiO2 #THY still needs improvements to ensure its safety for freshwater ecosystems, BSiO2 NP seems to be a safe nanocarrier for agriculture. Environ Toxicol Chem 2021;40:333-341. © 2020 SETAC.
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Affiliation(s)
- Iúri Barbosa Pereira
- Environmental Toxicology Research Laboratory, Faculty of Pharmacy, Federal University of Goiás, Goiânia, Goiás, Brazil
| | | | - Laís de Brito Rodrigues
- Environmental Toxicology Research Laboratory, Faculty of Pharmacy, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Bruno Dufau Mattos
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, Aalto, Finland
- Embrapa Florestas, Colombo, Paraná, Brazil
| | | | - Daniela Morais Leme
- Department of Genetics, Federal University of Paraná, Curitiba, Paraná, Brazil
- National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives, Institute of Chemistry, São Paulo State University, Araraquara, São Paulo, Brazil
| | - Anna Paula Krawczyk-Santos
- Laboratory of Nanosystems and Drug Delivery Systems, Faculty of Pharmacy, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Stephânia Fleury Taveira
- Laboratory of Nanosystems and Drug Delivery Systems, Faculty of Pharmacy, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Gisele Augusto Rodrigues de Oliveira
- Environmental Toxicology Research Laboratory, Faculty of Pharmacy, Federal University of Goiás, Goiânia, Goiás, Brazil
- National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives, Institute of Chemistry, São Paulo State University, Araraquara, São Paulo, Brazil
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17
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Oya-Silva LF, Vicari T, Rodrigo Disner G, Lirola JR, Klingelfus T, Gonçalves HDLS, Leite TPB, Calado SLDM, Voigt CL, Silva de Assis HC, Cestari MM. Tissue-specific genotoxicity and antioxidant imbalance of titanium dioxide nanoparticles (NPTiO 2) and inorganic lead (PbII) in a neotropical fish species. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2021; 82:103551. [PMID: 33227412 DOI: 10.1016/j.etap.2020.103551] [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: 06/12/2020] [Revised: 11/11/2020] [Accepted: 11/14/2020] [Indexed: 06/11/2023]
Abstract
The aquatic environment is the major recipient of wastes containing nanoparticles and other contaminants. Titanium dioxide nanoparticles (NPTiO2) are one of the most produced and used nanoparticle worldwide. This study investigated the toxicity of NPTiO2, as well as the toxicity interaction between NPTiO2 and lead (Pb), in response to genetic and biochemical biomarkers using freshwater fish Rhamdia quelen, as an animal model. The results showed genotoxicity in blood and kidney tissues. No effect of NPTiO2 alone or in co-exposure with Pb on liver genotoxicity were observed. Alterations in the antioxidant hepatic enzymes activities, as well as alterations in glutathione levels indicated that NPTiO2 alone or in co-exposure with Pb can cause antioxidant imbalance. The lipid peroxidation was also raised after exposure to NPTiO2. In general, the results of this study indicated that both NPTiO2 alone and their co-exposure with Pb are capable of producing significant toxic effects in short-term exposure.
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Affiliation(s)
- Laís Fernanda Oya-Silva
- Department of Genetics, Laboratory of Animal Cytogenetics and Environmental Mutagenesis, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil
| | - Taynah Vicari
- Department of Genetics, Laboratory of Animal Cytogenetics and Environmental Mutagenesis, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil
| | - Geonildo Rodrigo Disner
- Department of Genetics, Laboratory of Animal Cytogenetics and Environmental Mutagenesis, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil
| | - Juliana Roratto Lirola
- Department of Genetics, Laboratory of Animal Cytogenetics and Environmental Mutagenesis, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil
| | - Tatiane Klingelfus
- Department of Genetics, Laboratory of Animal Cytogenetics and Environmental Mutagenesis, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil
| | | | - Thalita Pires Borges Leite
- Department of Pharmacology, Laboratory of Aquatic Toxicology, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil
| | - Sabrina Loise de Morais Calado
- Department of Pharmacology, Laboratory of Aquatic Toxicology, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil
| | - Carmen Lúcia Voigt
- Department of Chemistry, State University of Ponta Grossa (UEPG), Ponta Grossa, Paraná, Brazil
| | - Helena Cristina Silva de Assis
- Department of Pharmacology, Laboratory of Aquatic Toxicology, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil.
| | - Marta Margarete Cestari
- Department of Genetics, Laboratory of Animal Cytogenetics and Environmental Mutagenesis, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil
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18
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Pikula K, Chaika V, Zakharenko A, Savelyeva A, Kirsanova I, Anisimova A, Golokhvast K. Toxicity of Carbon, Silicon, and Metal-Based Nanoparticles to the Hemocytes of Three Marine Bivalves. Animals (Basel) 2020; 10:ani10050827. [PMID: 32397595 PMCID: PMC7278372 DOI: 10.3390/ani10050827] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/06/2020] [Accepted: 05/08/2020] [Indexed: 01/17/2023] Open
Abstract
Simple Summary The growing nanotechnology industry disposes of a variety of nanoparticles with different physiochemical properties in everyday life. However, the dependence of the safety and toxicity of nanoparticles on their physicochemical properties remains unclear. Bivalve molluscs represent an efficient model for the investigation of nanoparticle toxicity owing to their filtrating ability and feeding on particles suspended in the water. Moreover, the blood cells of bivalve molluscs, the hemocytes, have been suggested as a good analog test-object to mammalian immune cells, phagocytes. In this study, we used hemocytes of three marine bivalve species, namely, Crenomytilus grayanus, Modiolus modiolus, and Arca boucardi, to evaluate and compare the toxic effects of 10 different types of nanoparticles. We gave short-term exposure of the nanoparticles to the hemocytes and registered viability and changes in their cell membrane polarization by employing flow cytometry. Metal-based nanoparticles were the most toxic to the cells of all three tested bivalve mollusc species. However, the sensitivity to different nanoparticle types varied between species. Moreover, the registered cell membrane depolarization indicated an early toxic response and raised concern that chronic long-term exposure of nanoparticles (even if they were previously declared as safe) is a serious threat for aquatic organisms. Abstract Nanoparticles (NPs) have broad applications in medicine, cosmetics, optics, catalysis, environmental purification, and other areas nowadays. With increasing annual production of NPs, the risks of their harmful influence on the environment and human health are also increasing. Currently, our knowledge about the mechanisms of the interaction between NPs and living organisms is limited. The marine species and their habitat environment are under continuous stress owing to the anthropogenic activities, which result in the release of NPs in the aquatic environment. We used a bioassay model with hemocytes of three bivalve mollusc species, namely, Crenomytilus grayanus, Modiolus modiolus, and Arca boucardi, to evaluate the toxicity of 10 different types of NPs. Specifically, we compared the cytotoxic effects and cell-membrane polarization changes in the hemocytes exposed to carbon nanotubes, carbon nanofibers, silicon nanotubes, cadmium and zinc sulfides, Au-NPs, and TiO2 NPs. Viability and the changes in hemocyte membrane polarization were measured by the flow cytometry method. The highest aquatic toxicity was registered for metal-based NPs, which caused cytotoxicity to the hemocytes of all the studied bivalve species. Our results also highlighted different sensitivities of the used tested mollusc species to specific NPs.
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Affiliation(s)
- Konstantin Pikula
- Education and Scientific Center of Nanotechnology, School of Engineering, Far Eastern Federal University, Sukhanova 8, 690950 Vladivostok, Russia; (V.C.); (A.Z.); (K.G.)
- N.I. Vavilov All-Russian Institute of Plant Genetic Resources, B.Morskaya 42-44, 190000 Saint-Petersburg, Russia
- Correspondence:
| | - Vladimir Chaika
- Education and Scientific Center of Nanotechnology, School of Engineering, Far Eastern Federal University, Sukhanova 8, 690950 Vladivostok, Russia; (V.C.); (A.Z.); (K.G.)
| | - Alexander Zakharenko
- Education and Scientific Center of Nanotechnology, School of Engineering, Far Eastern Federal University, Sukhanova 8, 690950 Vladivostok, Russia; (V.C.); (A.Z.); (K.G.)
- N.I. Vavilov All-Russian Institute of Plant Genetic Resources, B.Morskaya 42-44, 190000 Saint-Petersburg, Russia
| | - Anastasia Savelyeva
- School of Natural Sciences, Far Eastern Federal University, Sukhanova 8, 690950 Vladivostok, Russia; (A.S.); (I.K.); (A.A.)
| | - Irina Kirsanova
- School of Natural Sciences, Far Eastern Federal University, Sukhanova 8, 690950 Vladivostok, Russia; (A.S.); (I.K.); (A.A.)
| | - Anna Anisimova
- School of Natural Sciences, Far Eastern Federal University, Sukhanova 8, 690950 Vladivostok, Russia; (A.S.); (I.K.); (A.A.)
| | - Kirill Golokhvast
- Education and Scientific Center of Nanotechnology, School of Engineering, Far Eastern Federal University, Sukhanova 8, 690950 Vladivostok, Russia; (V.C.); (A.Z.); (K.G.)
- N.I. Vavilov All-Russian Institute of Plant Genetic Resources, B.Morskaya 42-44, 190000 Saint-Petersburg, Russia
- Pacific Geographical Institute, Far Eastern Branch of the Russian Academy of Sciences, Radio 7, 690041 Vladivostok, Russia
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19
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de Lima GG, Mendes C, de Marchi G, Vicari T, Cestari MM, Gomes MF, Ramsdorf WA, Magalhães WLE, Hansel FA, Leme DM. The evaluation of the potential ecotoxicity of pyroligneous acid obtained from fast pyrolysis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 180:616-623. [PMID: 31132557 DOI: 10.1016/j.ecoenv.2019.05.058] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 05/16/2019] [Accepted: 05/17/2019] [Indexed: 06/09/2023]
Abstract
Pyroligneous acid (PA) is a by-product of bio-oil, which is obtained by pyrolysis of the wood. This product has been tested for use in several areas, such as agriculture, as a promising green herbicide; however, there are few scientific data regarding its environmental impacts. For this study, an ecotoxicity testing battery, composed of Daphnia magna acute toxicity test, Allium cepa test and in vitro Comet assay with the rainbow trout gonad-2 cell fish line (RTG-2) were used to evaluate the acute toxicity and genotoxicity of PA obtained from fast pyrolysis of eucalyptus wood fines. The PA presented acute toxicity to D. magna (microcrustacea) with EC50 of 26.12 mg/L, and inhibited the seed germination (EC50 5.556 g/L) and root development (EC50 3.436 g/L) of A. cepa (higher plant). No signs of genotoxicity (chromosomal aberrations and micronuclei in A. cepa and primary DNA lesions in RTG-2 cells) were detected to this product. The acute toxicity and absence of genotoxicity may relate to the molecules found in the PA, being the phenolic fraction the key chemical candidate responsible for the toxicity observed. In addition, daphnids seem to be more sensitivity to the toxicity of PA than higher plants based on their EC50 values. This first ecotoxicological evaluation of PA from fast pyrolysis pointed out the need of determining environmental exposure limits to promote the safer agriculture use of this product, avoiding impacts to living organisms.
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Affiliation(s)
- Gabriel Goetten de Lima
- Graduate Program in Engineering and Science of Materials - PIPE, Federal University of Paraná - UFPR, 81.531-990 Curitiba PR, Brazil; Materials Research Institute, Athlone Institute of Technology, Athlone, Ireland
| | - Camila Mendes
- Department of Genetics, Federal University of Paraná, Curitiba, PR, Brazil
| | - Gustavo de Marchi
- Department of Genetics, Federal University of Paraná, Curitiba, PR, Brazil
| | - Taynah Vicari
- Department of Genetics, Federal University of Paraná, Curitiba, PR, Brazil
| | | | - Monike F Gomes
- Laboratory of Ecotoxicology, Federal University of Technology - Paraná, Curitiba, PR, Brazil
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de Brito Rodrigues L, Gonçalves Costa G, Lundgren Thá E, da Silva LR, de Oliveira R, Morais Leme D, Cestari MM, Koppe Grisolia C, Campos Valadares M, de Oliveira GAR. Impact of the glyphosate-based commercial herbicide, its components and its metabolite AMPA on non-target aquatic organisms. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2019; 842:94-101. [PMID: 31255230 DOI: 10.1016/j.mrgentox.2019.05.002] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 04/29/2019] [Accepted: 05/03/2019] [Indexed: 11/16/2022]
Abstract
Glyphosate (GLY) is the active ingredient of several herbicide formulations widely used to control weeds in agricultural and non-agricultural areas. Due to the intensive use of GLY-based herbicides and their direct application on soils, some of their components, including the active ingredient, may reach the aquatic environment through direct run-off and leaching. The present study assessed the acute toxicity and genotoxicity of the GLY-based formulation Atanor 48 (ATN) and its major constituents GLY, surfactant polyethoxylated tallow amine (POEA), as well as the main metabolite of GLY aminomethylphosphonic acid (AMPA) on non-target aquatic organisms. The toxic effects of these chemicals were evaluated in the fish embryo acute toxicity test with zebrafish (Danio rerio), while genotoxic effects were investigated in the comet assays with cells from zebrafish larvae and rainbow trout gonad-2 (RTG-2). GLY and AMPA caused no acute toxic effect, while ATN and POEA induced significant lethal effects in zebrafish (LC50-96 h 76.50 mg/L and 5.49 mg/L, respectively). All compounds were genotoxic in comet experiments with zebrafish larvae (LOEC 1.7 mg/L for GLY, ATN, AMPA and 0.4 mg/L for POEA). Unlike in vivo, only POEA induced DNA damage in RTG-2 cells (LOEC 1.6 mg/L), suggesting that it is a direct acting genotoxic agent. In summary, these data indicate that the lethal effects on zebrafish early-life stages can be ranked in the following order from most to least toxic: surfactant POEA > formulation ATN > active ingredient GLY ≈ metabolite AMPA. Genotoxic effects were observed in both RTG-2 cells (only POEA) and zebrafish (all test compounds) with the lowest tested concentrations. Therefore, it is important to evaluate different toxicological endpoints as well as use different non-target organisms to predict the hazards of GLY-based formulations and their components and breakdown product to aquatic biota.
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Affiliation(s)
| | | | | | | | - Rhaul de Oliveira
- Faculty of Pharmaceutical Sciences, University of São Paulo (USP), São Paulo, SP, Brazil; School of Technology, State University of Campinas, UNICAMP, Limeira, SP, Brazil
| | - Daniela Morais Leme
- Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), UNESP, Institute of Chemistry, P.O. Box 355, 14800-900 Araraquara, SP, Brazil
| | | | - Cesar Koppe Grisolia
- Biological Sciences Institute - University of Brasília (UnB), Brasília, Distrito Federal, Brazil
| | | | - Gisele Augusto Rodrigues de Oliveira
- Faculty of Pharmacy, Federal University of Goiás (UFG), Goiânia, Goiás, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), UNESP, Institute of Chemistry, P.O. Box 355, 14800-900 Araraquara, SP, Brazil.
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