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Kirkland D, Aardema MJ, Battersby RV, Beevers C, Burnett K, Burzlaff A, Czich A, Donner EM, Fowler P, Johnston HJ, Krug HF, Pfuhler S, Stankowski LF. A weight of evidence review of the genotoxicity of titanium dioxide (TiO2). Regul Toxicol Pharmacol 2022; 136:105263. [DOI: 10.1016/j.yrtph.2022.105263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/26/2022] [Accepted: 09/10/2022] [Indexed: 11/06/2022]
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Landsiedel R, Honarvar N, Seiffert SB, Oesch B, Oesch F. Genotoxicity testing of nanomaterials. WIREs Nanomed Nanobiotechnol 2022; 14:e1833. [DOI: 10.1002/wnan.1833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [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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Vital N, Pinhão M, Yamani NE, Rundén-pran E, Louro H, Dušinská M, Silva MJ. Hazard Assessment of Benchmark Metal-Based Nanomaterials Through a Set of In Vitro Genotoxicity Assays. Advances in Experimental Medicine and Biology 2022. [DOI: 10.1007/978-3-030-88071-2_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Ling C, An H, Li L, Wang J, Lu T, Wang H, Hu Y, Song G, Liu S. Genotoxicity Evaluation of Titanium Dioxide Nanoparticles In Vitro: a Systematic Review of the Literature and Meta-analysis. Biol Trace Elem Res 2021; 199:2057-2076. [PMID: 32770326 DOI: 10.1007/s12011-020-02311-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 07/29/2020] [Indexed: 12/13/2022]
Abstract
With the wide use of titanium dioxide nanoparticles (TiO2-NPs), the genotoxicity of TiO2-NPs, which is a factor for safety assessment, has attracted people's attention. However, their genotoxic effects in vitro remain controversial due to inconsistent reports. Therefore, a systematic review was conducted followed by a meta-analysis to reveal whether TiO2-NPs cause genotoxicity in vitro. A total of 59 studies were identified in this review through exhaustive database retrieval and exclusion. Meta-analysis results were presented based on different evaluation methods. The results showed that TiO2-NP exposure considerably increased the percentage of DNA in tail and olive tail moment in comet assay. Gene mutation assay revealed that TiO2-NPs could also induce gene mutation. However, TiO2-NP exposure had no effect on micronucleus (MN) formation in the MN assay. Subgroup analysis showed that normal cells were more vulnerable to toxicity induced by TiO2-NPs. Moreover, mixed form and small particles of TiO2-NPs increased the percentage of DNA in tail. In addition, short-term exposure could detect more DNA damage. The size, coating, duration, and concentration of TiO2-NPs influenced MN formation. This study presented that TiO2-NP exposure could cause genotoxicity in vitro. The physicochemical properties of TiO2-NPs and experimental protocols influence the genotoxic effects in vitro. Comet and gene mutation assays may be more sensitive to the detection of TiO2-NP genotoxic effects.
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Affiliation(s)
- Chunmei Ling
- Department of Public Health, School of Medicine, Shihezi University, Shihezi, 832002, Xinjiang, China
| | - Hongmei An
- Department of Public Health, School of Medicine, Shihezi University, Shihezi, 832002, Xinjiang, China
| | - Li Li
- Department of Public Health, School of Medicine, Shihezi University, Shihezi, 832002, Xinjiang, China
| | - Jiaqi Wang
- Department of Public Health, School of Medicine, Shihezi University, Shihezi, 832002, Xinjiang, China
| | - Tianjiao Lu
- Department of Public Health, School of Medicine, Shihezi University, Shihezi, 832002, Xinjiang, China
| | - Haixia Wang
- Department of Public Health, School of Medicine, Shihezi University, Shihezi, 832002, Xinjiang, China
| | - Yunhua Hu
- Department of Public Health, School of Medicine, Shihezi University, Shihezi, 832002, Xinjiang, China
| | - Guanling Song
- Department of Public Health, School of Medicine, Shihezi University, Shihezi, 832002, Xinjiang, China.
| | - Sixiu Liu
- Department of Environmental Science and Engineering, Fudan University, Shanghai, 200433, China.
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Halder AK, Melo A, Cordeiro MNDS. A unified in silico model based on perturbation theory for assessing the genotoxicity of metal oxide nanoparticles. Chemosphere 2020; 244:125489. [PMID: 31812055 DOI: 10.1016/j.chemosphere.2019.125489] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 11/19/2019] [Accepted: 11/26/2019] [Indexed: 06/10/2023]
Abstract
Nanomaterials (NMs) are an ever-increasing field of interest, due to their wide range of applications in science and technology. However, despite providing solutions to many societal problems and challenges, NMs are associated with adverse effects with potential severe damages towards biological species and their ecosystems. Particularly, it has been confirmed that NMs may induce serious genotoxic effects on various biological targets. Given the difficulties of experimental assays for estimating the genotoxicity of many NMs on diverse biological targets, development of alternative methodologies is crucial to establish their level of safety. In silico modelling approaches, such as Quantitative Structure-Toxicity Relationships (QSTR), are now considered a promising solution for such purpose. In this work, a perturbation theory machine learning (PTML) based QSTR approach is proposed for predicting the genotoxicity of metal oxide NMs under various experimental assay conditions. The application of such perturbation approach to 6084 NM-NM pair cases, set up from 78 unique NMs, afforded a final PTML-QSTR model with an accuracy better than 96% for both training and test sets. This model was then used to predict the genotoxicity of some NMs not included in the modelling dataset. The results for this independent data set were in excellent agreement with the experimental ones. Overall, that thus suggests that the derived PTML-QSTR model is a reliable in silico tool to rapidly and cost-efficiently assess the genotoxicity of metal oxide NMs. Finally, and most importantly, the model provides important insights regarding the mechanism of the genotoxicity triggered by these NMs.
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Affiliation(s)
- Amit Kumar Halder
- LAQV@REQUIMTE/Department of Chemistry and Biochemistry, University of Porto, 4169-007, Porto, Portugal.
| | - André Melo
- LAQV@REQUIMTE/Department of Chemistry and Biochemistry, University of Porto, 4169-007, Porto, Portugal
| | - M Natália D S Cordeiro
- LAQV@REQUIMTE/Department of Chemistry and Biochemistry, University of Porto, 4169-007, Porto, Portugal.
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Charles S, Jomini S, Fessard V, Bigorgne-Vizade E, Rousselle C, Michel C. Assessment of the in vitro genotoxicity of TiO2 nanoparticles in a regulatory context. Nanotoxicology 2018; 12:357-374. [DOI: 10.1080/17435390.2018.1451567] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Sandrine Charles
- ANSES, Agence Nationale de Sécurité Sanitaire de l’alimentation, de l’environnement et du Travail, Direction de l’Evaluation des Risques, Unité Evaluation des Substances Chimiques, Maisons-Alfort, France
| | - Stéphane Jomini
- ANSES, Agence Nationale de Sécurité Sanitaire de l’alimentation, de l’environnement et du Travail, Direction de l’Evaluation des Risques, Unité Evaluation des Substances Chimiques, Maisons-Alfort, France
| | - Valérie Fessard
- ANSES, Agence Nationale de Sécurité Sanitaire de l’alimentation, de l’environnement et du Travail, Laboratoire de Fougères, Unité Toxicologie des Contaminants, Javené, France
| | - Emilie Bigorgne-Vizade
- ANSES, Agence Nationale de Sécurité Sanitaire de l’alimentation, de l’environnement et du Travail, Direction de l’Evaluation des Risques, Unité Evaluation des Substances Chimiques, Maisons-Alfort, France
| | - Christophe Rousselle
- ANSES, Agence Nationale de Sécurité Sanitaire de l’alimentation, de l’environnement et du Travail, Direction de l’Evaluation des Risques, Unité Evaluation des Substances Chimiques, Maisons-Alfort, France
| | - Cécile Michel
- ANSES, Agence Nationale de Sécurité Sanitaire de l’alimentation, de l’environnement et du Travail, Direction de l’Evaluation des Risques, Unité Evaluation des Substances Chimiques, Maisons-Alfort, France
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Golbamaki N, Rasulev B, Cassano A, Marchese Robinson RL, Benfenati E, Leszczynski J, Cronin MTD. Genotoxicity of metal oxide nanomaterials: review of recent data and discussion of possible mechanisms. Nanoscale 2015; 7:2154-98. [PMID: 25580680 DOI: 10.1039/c4nr06670g] [Citation(s) in RCA: 119] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Nanotechnology has rapidly entered into human society, revolutionized many areas, including technology, medicine and cosmetics. This progress is due to the many valuable and unique properties that nanomaterials possess. In turn, these properties might become an issue of concern when considering potentially uncontrolled release to the environment. The rapid development of new nanomaterials thus raises questions about their impact on the environment and human health. This review focuses on the potential of nanomaterials to cause genotoxicity and summarizes recent genotoxicity studies on metal oxide/silica nanomaterials. Though the number of genotoxicity studies on metal oxide/silica nanomaterials is still limited, this endpoint has recently received more attention for nanomaterials, and the number of related publications has increased. An analysis of these peer reviewed publications over nearly two decades shows that the test most employed to evaluate the genotoxicity of these nanomaterials is the comet assay, followed by micronucleus, Ames and chromosome aberration tests. Based on the data studied, we concluded that in the majority of the publications analysed in this review, the metal oxide (or silica) nanoparticles of the same core chemical composition did not show different genotoxicity study calls (i.e. positive or negative) in the same test, although some results are inconsistent and need to be confirmed by additional experiments. Where the results are conflicting, it may be due to the following reasons: (1) variation in size of the nanoparticles; (2) variations in size distribution; (3) various purities of nanomaterials; (4) variation in surface areas for nanomaterials with the same average size; (5) differences in coatings; (6) differences in crystal structures of the same types of nanomaterials; (7) differences in size of aggregates in solution/media; (8) differences in assays; (9) different concentrations of nanomaterials in assay tests. Indeed, due to the observed inconsistencies in the recent literature and the lack of adherence to appropriate, standardized test methods, reliable genotoxicity assessment of nanomaterials is still challenging.
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Affiliation(s)
- Nazanin Golbamaki
- Laboratory of Environmental Chemistry and Toxicology at the Istituto di Ricerche Farmacologiche Mario Negri, Milan, Italy.
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Bogdan J, Jackowska-Tracz A, Zarzyńska J, Pławińska-Czarnak J. Chances and limitations of nanosized titanium dioxide practical application in view of its physicochemical properties. Nanoscale Res Lett 2015; 10:57. [PMID: 25852354 PMCID: PMC4385004 DOI: 10.1186/s11671-015-0753-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 01/12/2015] [Indexed: 05/27/2023]
Abstract
Nanotechnology is a field of science that is nowadays developing in a dynamic way. It seems to offer almost endless opportunities of contribution to many areas of economy and human activity, in general. Thanks to nanotechnology, the so-called nanomaterials can be designed. They present structurally altered materials, with their physical, chemical and biological properties entirely differing from properties of the same materials manufactured in microtechnology. Nanotechnology creates a unique opportunity to modify the matter at the level of atoms and particles. Therefore, it has become possible to obtain items displaying new, useful properties, i.e. self-disinfecting and self-cleaning surfaces. Those surfaces are usually covered by a thin layer of a photocatalyst. The role of the photocatalyst is most of the time performed by the nanosized titanium dioxide (nano-TiO2). Excitation of nano-TiO2 by ultraviolet radiation initiates advanced oxidation processes and reactions leading to the creation of oxygen vacancies that bind water particles. As a result, photocatalytic surfaces are given new properties. Those properties can then be applied in a variety of disciplines, such as medicine, food hygiene, environmental protection or building industry. Practically, the applications include inactivation of microorganisms, degradation of toxins, removing pollutants from buildings and manufacturing of fog-free windows or mirrors.
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Affiliation(s)
- Janusz Bogdan
- Department of Food Hygiene and Public Health Protection, Faculty of Veterinary Medicine, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Agnieszka Jackowska-Tracz
- Department of Food Hygiene and Public Health Protection, Faculty of Veterinary Medicine, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Joanna Zarzyńska
- Department of Food Hygiene and Public Health Protection, Faculty of Veterinary Medicine, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Joanna Pławińska-Czarnak
- Department of Food Hygiene and Public Health Protection, Faculty of Veterinary Medicine, Warsaw University of Life Sciences - SGGW, Nowoursynowska 159, 02-776 Warsaw, Poland
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