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Zhou X, Speer RM, Volk L, Hudson LG, Liu KJ. Arsenic co-carcinogenesis: Inhibition of DNA repair and interaction with zinc finger proteins. Semin Cancer Biol 2021; 76:86-98. [PMID: 33984503 PMCID: PMC8578584 DOI: 10.1016/j.semcancer.2021.05.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 05/05/2021] [Accepted: 05/06/2021] [Indexed: 12/17/2022]
Abstract
Arsenic is widely present in the environment and is associated with various population health risks including cancers. Arsenic exposure at environmentally relevant levels enhances the mutagenic effect of other carcinogens such as ultraviolet radiation. Investigation on the molecular mechanisms could inform the prevention and intervention strategies of arsenic carcinogenesis and co-carcinogenesis. Arsenic inhibition of DNA repair has been demonstrated to be an important mechanism, and certain DNA repair proteins have been identified to be extremely sensitive to arsenic exposure. This review will summarize the recent advances in understanding the mechanisms of arsenic carcinogenesis and co-carcinogenesis, including DNA damage induction and ROS generation, particularly how arsenic inhibits DNA repair through an integrated molecular mechanism which includes its interactions with sensitive zinc finger DNA repair proteins.
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Affiliation(s)
- Xixi Zhou
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Rachel M Speer
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Lindsay Volk
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Laurie G Hudson
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA.
| | - Ke Jian Liu
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA.
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Demir E, Marcos R. Toxic and genotoxic effects of graphene and multi-walled carbon nanotubes. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2018; 81:645-660. [PMID: 29873610 DOI: 10.1080/15287394.2018.1477314] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Accepted: 05/02/2018] [Indexed: 06/08/2023]
Abstract
Graphene and multi-walled carbon nanotubes (MWCNT) are widely used in nanomedicine, and other fields, due to their unique physicochemical properties including high tensile strength, ultra-light weight, thermal and chemical stability, and reliable semi-conductive electronic properties. Although extensive amount of data exist describing their adverse effects including potential genotoxicity, few studies using gene mutation detection approaches in mammalian cells are available, which represents an important gap for risk estimations. The aim of the present study was to determine the effects of graphene or MWCNT [as pure, carboxyl (COOH) functionalized, and amide (NH2) functionalized] on cytotoxicity, intracellular levels of reactive oxygen species, apoptosis, gene expression changes, and gene mutation induction in L5178Y/Tk+/-3.7.2C mouse lymphoma cell line. Although some adverse effects were observed at concentrations of 350 and 450 µg/ml, which are excessive and not environmentally relevant levels, no marked effects were detected at concentrations of 250 µg/ml and lower. This is the first study reporting cytotoxicity, mutagenicity, and gene expression findings in the mouse lymphoma cell line for graphene and different MWCNT forms at high concentrations; however, the biological relevance of these observations needs to be assessed following chronic in vivo exposure.
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Affiliation(s)
- Eşref Demir
- a Faculty of Engineering, Department of Genetics and Bioengineering , Giresun University , Giresun , Turkey
| | - Ricard Marcos
- b Grup de Mutagènesi, Departament de Genètica i de Microbiologia, Facultat de Biociències , Universitat Autònoma de Barcelona , Cerdanyola del Vallès , Spain
- c CIBER Epidemiología y Salud Pública , ISCIII , Barcelona , Spain
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Mellado-García P, Maisanaba S, Puerto M, Prieto AI, Marcos R, Pichardo S, Cameán AM. In vitro toxicological assessment of an organosulfur compound from Allium extract: Cytotoxicity, mutagenicity and genotoxicity studies. Food Chem Toxicol 2016; 99:231-240. [PMID: 27939830 DOI: 10.1016/j.fct.2016.12.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Revised: 12/02/2016] [Accepted: 12/06/2016] [Indexed: 12/25/2022]
Abstract
Garlic (Allium sativum) and onion (Allium cepa) are being used in the food industry as flavoring but also for their antimicrobial activities. These activities are mainly derived from the organosulfur compounds (OSCs). Propyl propane thiosulfinate (PTS) is an OSC with potential use in the active packaging, but its safety should be guaranteed before being commercialized. The aim of this work was to investigate for the first time the cytotoxicity of PTS as well as its in vitro mutagenic/genotoxic potential using the following battery of genotoxicity tests:(1)the bacterial reverse-mutation assay in S. typhimurium (Ames test, OECD 471, 1997); (2) the micronucleus test (MN, OECD 487, 2016); (3) the mouse lymphoma thymidine-kinase assay (MLA, OECD 476, 2015), and (4) the comet assay (standard and modified with restriction enzymes). The results revealed that PTS was not mutagenic neither in the Ames test nor in MLA. However, genotoxic effects were recorded in the MN test on mammalian cells (L5178YTk+/-cells) after PTS exposure at the highest concentration tested (17.25 μM) without S9, and also its metabolites (+S9, from 20 μM). Moreover, in the comet assay, PTS induced DNA breaks damage in Caco-2 cells at the highest concentration tested (280 μM) but it did not induce oxidative DNA damage.
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Affiliation(s)
- Pilar Mellado-García
- Area of Toxicology, Faculty of Pharmacy, Universidad de Sevilla, Profesor García González n°2, 41012 Seville, Spain
| | - Sara Maisanaba
- Area of Toxicology, Faculty of Pharmacy, Universidad de Sevilla, Profesor García González n°2, 41012 Seville, Spain
| | - María Puerto
- Area of Toxicology, Faculty of Pharmacy, Universidad de Sevilla, Profesor García González n°2, 41012 Seville, Spain
| | - Ana Isabel Prieto
- Area of Toxicology, Faculty of Pharmacy, Universidad de Sevilla, Profesor García González n°2, 41012 Seville, Spain
| | - Ricard Marcos
- Group of Mutagenesis, Department of Genetics and Microbiology, Universidad Autónoma of Barcelona, 08193, Cerdanyola del Valles, Barcelona, Spain
| | - Silvia Pichardo
- Area of Toxicology, Faculty of Pharmacy, Universidad de Sevilla, Profesor García González n°2, 41012 Seville, Spain
| | - Ana María Cameán
- Area of Toxicology, Faculty of Pharmacy, Universidad de Sevilla, Profesor García González n°2, 41012 Seville, Spain.
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Demir E, Castranova V. Genotoxic effects of synthetic amorphous silica nanoparticles in the mouse lymphoma assay. Toxicol Rep 2016; 3:807-815. [PMID: 28959608 PMCID: PMC5616205 DOI: 10.1016/j.toxrep.2016.10.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2016] [Revised: 10/17/2016] [Accepted: 10/19/2016] [Indexed: 01/25/2023] Open
Abstract
Synthetic amorphous silica nanoparticles (SAS NPs) have been used in various industries, such as plastics, glass, paints, electronics, synthetic rubber, in pharmaceutical drug tablets, and a as food additive in many processed foods. There are few studies in the literature on NPs using gene mutation approaches in mammalian cells, which represents an important gap for genotoxic risk estimations. To fill this gap, the mouse lymphoma L5178Y/Tk+/− assay (MLA) was used to evaluate the mutagenic effect for five different concentrations (from 0.01 to 150 μg/mL) of two different sizes of SAS NPs (7.172 and 7.652 nm) and a fine collodial form of silicon dioxide (SiO2). This assay detects a broad spectrum of mutational events, from point mutations to chromosome alterations. The results obtained indicate that the two selected SAS NPs are mutagenic in the MLA assay, showing a concentration-dependent effect. The relative mutagenic potencies according to the induced mutant frequency (IMF) are as follows: SAS NPs (7.172 nm) (IMF = 705.5 × 10−6), SAS NPs (7.652 nm) (IMF = 575.5 × 10−6), and SiO2 (IMF = 57.5 × 10−6). These in vitro results, obtained from mouse lymphoma cells, support the genotoxic potential of NPs as well as focus the discussion of the benefits/risks associated with their use in different areas.
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Affiliation(s)
- Eşref Demir
- Giresun University, Faculty of Engineering, Department of Genetics and Bioengineering, 28200-Güre, Giresun, Turkey
| | - Vincent Castranova
- Department of Pharmaceutical Sciences, School of Pharmacy, RC Byrd Health Sciences Center, West Virginia University, Morgantown, WV 26506, USA
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Kirkland D, Kasper P, Martus HJ, Müller L, van Benthem J, Madia F, Corvi R. Updated recommended lists of genotoxic and non-genotoxic chemicals for assessment of the performance of new or improved genotoxicity tests. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2016; 795:7-30. [DOI: 10.1016/j.mrgentox.2015.10.006] [Citation(s) in RCA: 119] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 10/27/2015] [Accepted: 10/28/2015] [Indexed: 01/09/2023]
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Mellado-García P, Maisanaba S, Puerto M, Llana-Ruiz-Cabello M, Prieto A, Marcos R, Pichardo S, Cameán A. Genotoxicity assessment of propyl thiosulfinate oxide, an organosulfur compound from Allium extract, intended to food active packaging. Food Chem Toxicol 2015; 86:365-73. [DOI: 10.1016/j.fct.2015.11.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 11/09/2015] [Accepted: 11/13/2015] [Indexed: 01/21/2023]
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In vitro genotoxicity testing of carvacrol and thymol using the micronucleus and mouse lymphoma assays. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2015; 784-785:37-44. [PMID: 26046975 DOI: 10.1016/j.mrgentox.2015.05.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 05/07/2015] [Accepted: 05/10/2015] [Indexed: 11/20/2022]
Abstract
Currently, antimicrobial additives derived from essential oils (Eos) extracted from plants or spices, such as Origanum vulgare, are used in food packaging. Thymol and carvacrol, the major EO compounds of O. vulgare, have demonstrated their potential use as active additives. These new applications use high concentrations, thereby increasing the concern regarding their toxicological profile and especially their genotoxic risk. The aim of this work was to investigate the potential in vitro genotoxicity of thymol (0-250 μM) and carvacrol (0-2500 μM) at equivalent doses to those used in food packaging. The micronucleus (MN) test and the mouse lymphoma (MLA) assay on L5178Y/Tk(±) mouse lymphoma cells were used. The negative results for thymol with the MN with and without the S9 fraction and also with the MLA assay reinforce the view that this compound is not genotoxic in mammalian cells. However, carvacrol presented slight genotoxic effects, but only in the MN test at the highest concentration assayed (700 μM) and in the absence of metabolic activation. The lack of genotoxic response in the MLA assay after 4 and 24h of exposure indicates a low genotoxic potential for carvacrol. Alternatively, the general negative findings observed in both assays suggest that the MN results of carvacrol are marginal data without biological relevance. These results can be useful to identify the appropriate concentrations of these substances to be used as additives in food packaging.
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Kritharis A, Bradley TP, Budman DR. The evolving use of arsenic in pharmacotherapy of malignant disease. Ann Hematol 2013; 92:719-30. [DOI: 10.1007/s00277-013-1707-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2012] [Accepted: 02/11/2013] [Indexed: 12/01/2022]
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Chequer FMD, Lizier TM, de Felício R, Zanoni MVB, Debonsi HM, Lopes NP, Marcos R, de Oliveira DP. Analyses of the genotoxic and mutagenic potential of the products formed after the biotransformation of the azo dye Disperse Red 1. Toxicol In Vitro 2011; 25:2054-63. [DOI: 10.1016/j.tiv.2011.05.033] [Citation(s) in RCA: 88] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Revised: 05/24/2011] [Accepted: 05/30/2011] [Indexed: 11/28/2022]
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Zhu Q, Li T, Li J, Guo M, Wang W, Zhang X. In silicoandin vitrogenotoxicity evaluation of levofloxacin n-oxide, an impurity in levofloxacin. Toxicol Mech Methods 2011; 22:225-30. [DOI: 10.3109/15376516.2011.635319] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Demir E, Kaya B, Soriano C, Creus A, Marcos R. Genotoxic analysis of four lipid-peroxidation products in the mouse lymphoma assay. Mutat Res 2011; 726:98-103. [PMID: 21763450 DOI: 10.1016/j.mrgentox.2011.07.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2010] [Revised: 03/01/2011] [Accepted: 04/10/2011] [Indexed: 11/16/2022]
Abstract
Lipid-peroxidation products are formed by the thermal treatment of foodstuffs, as well as by endogenous processes. In addition, they are also common environmental pollutants originating from many different sources. Since conflicting data exist on their possible risk for humans, we have selected four lipid-peroxidation products namely acrolein, crotonaldehyde, 4-hydroxy-hexenal (4-HHE) and 4-oxo-2-nonenal (4-ONE) to determine their ability to induce mutagenicity in mammalian cells. There is an important lack of mutagenicity data on mammalian cells for such products, which presents an important gap for any risk-assessment estimation. We have used the mouse lymphoma assay (MLA) to determine the mutagenic potential of these four compounds. This assay detects a broad spectrum of mutational events, from point mutations to chromosome alterations. The results obtained indicate that the four selected compounds are mutagenic in the MLA assay, showing a direct dose-effect relationship. The relative mutagenic potencies according to the induced mutant frequency (IMF) are as follows: crotonaldehyde (IMF=758.5×10(-6)), 4-ONE (IMF=700.5×10(-6)), acrolein (IMF=660.5×10(-6)) and 4-HHE (IMF=572×10(-6)). Although the differences between the induced mutant frequencies for these compounds are not very large, the α,β-unsaturated aldehyde 4-oxo-2-nonenal turned out to be the agent most mutagenic. This is because its induced mutant frequency was reached after treatment with 10μM, while 50μM of the other compounds was needed to reach the reported frequencies.
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Affiliation(s)
- Eşref Demir
- Akdeniz University, Department of Biology, Antalya, Turkey
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Liviac D, Creus A, Marcos R. Mutagenic analysis of six disinfection by-products in the Tk gene of mouse lymphoma cells. JOURNAL OF HAZARDOUS MATERIALS 2011; 190:1045-1052. [PMID: 21561708 DOI: 10.1016/j.jhazmat.2011.04.062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2010] [Revised: 03/14/2011] [Accepted: 04/13/2011] [Indexed: 05/30/2023]
Abstract
Drinking water must be disinfected prior to its distribution for human consumption. This water treatment process generates disinfection by-products (DBPs), formed by the interaction of the disinfectant with organic matter, anthropogenic contaminants and inorganic (bromide/iodide) matter naturally present in source water. Due to the potential genotoxic/carcinogenic risk of these DBPs, we have investigated the mutagenic potential of six of such compounds on the thymidine kinase (Tk) gene in the well-validated mouse lymphoma assay (MLA). The MLA quantifies a wide range of genetic alterations affecting the expression of this gene in L5178Y/Tk(+/-)-3.7.2C cells. In this study we selected six emerging DBPs, corresponding to three different chemical classes: halonitromethanes (bromonitromethane and trichloronitromethane), halogenated acetaldehydes (tribromoacetaldehyde and chloral hydrate) and hydroxyfuranones (mucobromic and mucochloric acids), each class including one chlorinated and one brominated form. The results showed that after 4h of treatment, only mucobromic acid increased the frequency of mutant colonies, with a higher proportion of small colonies, which would indicate a clastogenic potential. This is the first study reporting mutagenicity data in mammalian cells for the six selected DBPs.
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Affiliation(s)
- Danae Liviac
- Grup de Mutagènesi, Departament de Genètica i de Microbiologia, Facultat de Biociències, Edifici Cn, Universitat Autònoma de Barcelona, 08193 Bellaterra, Cerdanyola del Vallès, Spain
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Kirkland D, Reeve L, Gatehouse D, Vanparys P. A core in vitro genotoxicity battery comprising the Ames test plus the in vitro micronucleus test is sufficient to detect rodent carcinogens and in vivo genotoxins. Mutat Res 2011; 721:27-73. [PMID: 21238603 DOI: 10.1016/j.mrgentox.2010.12.015] [Citation(s) in RCA: 161] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2010] [Revised: 11/12/2010] [Accepted: 12/15/2010] [Indexed: 01/27/2023]
Abstract
In vitro genotoxicity testing needs to include tests in both bacterial and mammalian cells, and be able to detect gene mutations, chromosomal damage and aneuploidy. This may be achieved by a combination of the Ames test (detects gene mutations) and the in vitro micronucleus test (MNvit), since the latter detects both chromosomal aberrations and aneuploidy. In this paper we therefore present an analysis of an existing database of rodent carcinogens and a new database of in vivo genotoxins in terms of the in vitro genotoxicity tests needed to detect their in vivo activity. Published in vitro data from at least one test system (most were from the Ames test) were available for 557 carcinogens and 405 in vivo genotoxins. Because there are fewer publications on the MNvit than for other mammalian cell tests, and because the concordance between the MNvit and the in vitro chromosomal aberration (CAvit) test is so high for clastogenic activity, positive results in the CAvit test were taken as indicative of a positive result in the MNvit where there were no, or only inadequate data for the latter. Also, because Hprt and Tk loci both detect gene-mutation activity, a positive Hprt test was taken as indicative of a mouse-lymphoma Tk assay (MLA)-positive, where there were no data for the latter. Almost all of the 962 rodent carcinogens and in vivo genotoxins were detected by an in vitro battery comprising Ames+MNvit. An additional 11 carcinogens and six in vivo genotoxins would apparently be detected by the MLA, but many of these had not been tested in the MNvit or CAvit tests. Only four chemicals emerge as potentially being more readily detected in MLA than in Ames+MNvit--benzyl acetate, toluene, morphine and thiabendazole--and none of these are convincing cases to argue for the inclusion of the MLA in addition to Ames+MNvit. Thus, there is no convincing evidence that any genotoxic rodent carcinogens or in vivo genotoxins would remain undetected in an in vitro test battery consisting of Ames+MNvit.
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Affiliation(s)
- David Kirkland
- Kirkland Consulting, PO Box 79, Tadcaster LS24 0AS, United Kingdom.
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Soriano C, Creus A, Marcos R. Arsenic trioxide mutational spectrum analysis in the mouse lymphoma assay. Mutat Res 2008; 646:1-7. [PMID: 18822301 DOI: 10.1016/j.mrfmmm.2008.08.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2008] [Revised: 07/24/2008] [Accepted: 08/26/2008] [Indexed: 10/21/2022]
Abstract
It has been well documented that long-term exposure to inorganic arsenic induces cancers and vascular diseases in a dose-response relationship. Nevertheless, arsenic has also demonstrated to have anticancer activity; thus, arsenic trioxide (ATO, As2O3) is an inorganic trivalent arsenic form, currently used in the treatment against acute promyelocytic leukaemia (APL). The open discussion about how arsenic compounds induce genotoxic damage has moved us to evaluate the mutational spectrum induced by ATO in mouse lymphoma cells. Thus, 49 Tk-/- mutant colonies obtained in the mouse lymphoma assay (MLA), after treatments lasting for 4h with 10microM ATO, and 49 spontaneous mutant colonies from independent untreated cultures, were used to analyse and to characterise the mutational spectrum induced by this arsenic compound, to understand its mechanism of action. RT-PCR analysis of Tk cDNA and PCR amplifications of eight selected microsatellite sequences, located on chromosome 11, were used to carry out this screening. Our results show that, in mouse lymphoma cells, ATO is a strong clastogenic compound inducing large deletions, at chromosomal level, covering the Tk gene, as well as other regions of chromosome 11.
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Affiliation(s)
- Carolina Soriano
- Grup de Mutagènesi, Departament de Genètica i de Microbiologia, Edifici Cn, Universitat Autònoma de Barcelona, 08193 Bellaterra, Cerdanyola del Vallès, Spain
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