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El-Yazbi AF, Elgammal FAH, Moneeb MS, Sabry SM. Sensitive MALDI-TOF MS and 'turn-on' fluorescent genosensor for the determination of DNA damage induced by CNS acting drugs. Int J Biol Macromol 2023; 241:124547. [PMID: 37094646 DOI: 10.1016/j.ijbiomac.2023.124547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/10/2023] [Accepted: 04/14/2023] [Indexed: 04/26/2023]
Abstract
The genotoxic and carcinogenic adverse effects of various drugs should be considered for assessing drug benefit/risk ratio. On that account, the scope of this study is to examine the kinetics of DNA damage triggered by three CNS acting drugs; carbamazepine, quetiapine and desvenlafaxine. Two precise, simple and green approaches were proposed for probing drug induced DNA impairment; MALDI-TOF MS and terbium (Tb3+) fluorescent genosensor. The results revealed that all the studied drugs induced DNA damage manifested by the MALDI-TOF MS analysis as a significant disappearance of the DNA molecular ion peak with the appearance of other peaks at smaller m/z indicating the formation of DNA strand breaks. Moreover, significant enhancement of Tb3+ fluorescence occurred, proportional to the amount of DNA damage, upon incubation of each drug with dsDNA. Furthermore, the DNA damage mechanism is examined. The proposed Tb3+ fluorescent genosensor showed superior selectivity and sensitivity and is significantly simpler and less expensive than other methods reported for the detection of DNA damage. Moreover, the DNA damaging potency of these drugs was studied using calf thymus DNA in order to clarify the potential safety hazards associated with the studied drugs on natural DNA.
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Affiliation(s)
- Amira F El-Yazbi
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada; Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, University of Alexandria, El-Messalah, Alexandria 21521, Egypt.
| | - Feda A H Elgammal
- Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, University of Alexandria, El-Messalah, Alexandria 21521, Egypt
| | - Marwa S Moneeb
- Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, University of Alexandria, El-Messalah, Alexandria 21521, Egypt
| | - Suzy M Sabry
- Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, University of Alexandria, El-Messalah, Alexandria 21521, Egypt
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2
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Angelov D, Lone IN, Menoni H, Cadet J. Interstrand Crosslinking Involving Guanine: A New Major UVC Laser-Induced Biphotonic Oxidatively Generated DNA Damage. Photochem Photobiol 2021; 98:662-670. [PMID: 34958483 DOI: 10.1111/php.13587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 11/29/2021] [Indexed: 11/27/2022]
Abstract
Several classes of oxidatively generated DNA damage including oxidized purine and pyrimidine bases, interstrand base crosslinks and DNA-protein crosslinks have been previously shown to be generated in both isolated DNA and cellular DNA upon exposure to either 266 nm laser irradiation or one-electron oxidants. In this study, we provide evidence that biphotonic ionization of guanine bases by UVC laser irradiation of double-stranded deoxyoligonucleotides in aerated aqueous solutions induces the formation of interstrand cross-links (ICLs). This is supported by various experiments including sequencing gel analyses of formed photoproducts and effects of UVC laser intensity on their formation. This constitutes a novel example of the diversity of reactions of guanine radical cation that can be generated by various one-electron oxidants including UVC laser biphotonic ionization, direct effect of ionization radiation and type I photosensitizers. However, the exact structure of the interstrand base adducts that is a challenging analytical issue remains to be further established. Examples of relevant biochemical/structural applications of biphotonic induction of ICLs in DNA samples by high-intensity UVC laser pulses are provided.
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Affiliation(s)
- Dimitar Angelov
- Université de Lyon, Ecole Normale Supérieure de Lyon, CNRS, Laboratoire de Biologie et de Modélisation de la Cellule LBMC, 46 Allée d'Italie, 69007, Lyon, France.,Izmir Biomedicine and Genome Center IBG, Dokuz Eylul University Health Campus, Balçova, Izmir, 35330, Turkey
| | - Imtiaz Nisar Lone
- Izmir Biomedicine and Genome Center IBG, Dokuz Eylul University Health Campus, Balçova, Izmir, 35330, Turkey
| | - Hervé Menoni
- Université Grenoble Alpes, CNRS UMR 5309, INSERM U1209, Institute for Advanced Biosciences IAB, Site Santé - Allée des Alpes, 38700, La Tronche, France
| | - Jean Cadet
- Département de Médecine nucléaire et Radiobiologie, Faculté de Médecine, Université de Sherbrooke, Sherbrooke, Québec, Canada, J1H 5N4
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Emerging Technologies in Mass Spectrometry-Based DNA Adductomics. High Throughput 2019; 8:ht8020013. [PMID: 31091740 PMCID: PMC6630665 DOI: 10.3390/ht8020013] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 04/19/2019] [Accepted: 05/09/2019] [Indexed: 12/11/2022] Open
Abstract
The measurement of DNA adducts, the covalent modifications of DNA upon the exposure to the environmental and dietary genotoxicants and endogenously produced electrophiles, provides molecular evidence for DNA damage. With the recent improvements in the sensitivity and scanning speed of mass spectrometry (MS) instrumentation, particularly high-resolution MS, it is now feasible to screen for the totality of DNA damage in the human genome through DNA adductomics approaches. Several MS platforms have been used in DNA adductomic analysis, each of which has its strengths and limitations. The loss of 2′-deoxyribose from the modified nucleoside upon collision-induced dissociation is the main transition feature utilized in the screening of DNA adducts. Several advanced data-dependent and data-independent scanning techniques originated from proteomics and metabolomics have been tailored for DNA adductomics. The field of DNA adductomics is an emerging technology in human exposure assessment. As the analytical technology matures and bioinformatics tools become available for analysis of the MS data, DNA adductomics can advance our understanding about the role of chemical exposures in DNA damage and disease risk.
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Chandran J, Aravind UK, Aravindakumar CT. Mass Spectrometric Characterization of Sonochemical Transformation Products of 2’-Deoxycytidine under Aerated Conditions: Direct Observation of Hydroxyhydroperoxide and Glycol. ChemistrySelect 2017. [DOI: 10.1002/slct.201700925] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jisha Chandran
- Inter University Instrumentation Centre (IUIC); Mahatma Gandhi University; Kottayam, Kerala India
| | - Usha K. Aravind
- Advanced Centre of Environmental Studies and Sustainable Development (ACESSD); Mahatma Gandhi University; Kottayam, Kerala India
| | - Charuvila T. Aravindakumar
- Inter University Instrumentation Centre (IUIC); Mahatma Gandhi University; Kottayam, Kerala India
- Advanced Centre of Environmental Studies and Sustainable Development (ACESSD); Mahatma Gandhi University; Kottayam, Kerala India
- School of Environmental Sciences; Mahatma Gandhi University; Kottayam, Kerala India
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Villalta PW, Balbo S. The Future of DNA Adductomic Analysis. Int J Mol Sci 2017; 18:ijms18091870. [PMID: 32962318 PMCID: PMC5618519 DOI: 10.3390/ijms18091870] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Revised: 08/19/2017] [Accepted: 08/22/2017] [Indexed: 12/23/2022] Open
Abstract
Covalent modification of DNA, resulting in the formation of DNA adducts, plays a central role in chemical carcinogenesis. Investigating these modifications is of fundamental importance in assessing the mutagenicity potential of specific exposures and understanding their mechanisms of action. Methods for assessing the covalent modification of DNA, which is one of the initiating steps for mutagenesis, include immunohistochemistry, 32P-postlabeling, and mass spectrometry-based techniques. However, a tool to comprehensively characterize the covalent modification of DNA, screening for all DNA adducts and gaining information on their chemical structures, was lacking until the recent development of "DNA adductomics". Advances in the field of mass spectrometry have allowed for the development of this methodology. In this perspective, we discuss the current state of the field, highlight the latest developments, and consider the path forward for DNA adductomics to become a standard method to investigate covalent modification of DNA. We specifically advocate for the need to take full advantage of this new era of mass spectrometry to acquire the highest quality and most reliable data possible, as we believe this is the only way for DNA adductomics to gain its place next to the other "-omics" methodologies as a powerful bioanalytical tool.
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Affiliation(s)
- Peter W. Villalta
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA;
- Correspondence: ; Tel.: +1-612-626-8165
| | - Silvia Balbo
- Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455, USA;
- Division of Environmental Health Sciences, University of Minnesota, Minneapolis, MN 55455, USA
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Cadet J, Davies KJA, Medeiros MH, Di Mascio P, Wagner JR. Formation and repair of oxidatively generated damage in cellular DNA. Free Radic Biol Med 2017; 107:13-34. [PMID: 28057600 PMCID: PMC5457722 DOI: 10.1016/j.freeradbiomed.2016.12.049] [Citation(s) in RCA: 208] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Revised: 12/27/2016] [Accepted: 12/31/2016] [Indexed: 12/18/2022]
Abstract
In this review article, emphasis is placed on the critical survey of available data concerning modified nucleobase and 2-deoxyribose products that have been identified in cellular DNA following exposure to a wide variety of oxidizing species and agents including, hydroxyl radical, one-electron oxidants, singlet oxygen, hypochlorous acid and ten-eleven translocation enzymes. In addition, information is provided about the generation of secondary oxidation products of 8-oxo-7,8-dihydroguanine and nucleobase addition products with reactive aldehydes arising from the decomposition of lipid peroxides. It is worth noting that the different classes of oxidatively generated DNA damage that consist of single lesions, intra- and interstrand cross-links were unambiguously assigned and quantitatively detected on the basis of accurate measurements involving in most cases high performance liquid chromatography coupled to electrospray ionization tandem mass spectrometry. The reported data clearly show that the frequency of DNA lesions generated upon severe oxidizing conditions, including exposure to ionizing radiation is low, at best a few modifications per 106 normal bases. Application of accurate analytical measurement methods has also allowed the determination of repair kinetics of several well-defined lesions in cellular DNA that however concerns so far only a restricted number of cases.
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Affiliation(s)
- Jean Cadet
- Département de médecine nucléaire et radiobiologie, Faculté de médecine et des sciences de la santé, Université de Sherbrooke, Sherbrooke, Québec, Canada J1H 5N4.
| | - Kelvin J A Davies
- Leonard Davis School of Gerontology of the Ethel Percy Andrus Gerontology Center, The University of Southern California, Los Angeles, CA 90089-0191, United States; Division of Molecular & Computational Biology, Department of Biological Sciences of the Dornsife College of Letters, Arts, and Sciences, The University of Southern California, Los Angeles, CA 90089-0191, United States
| | - Marisa Hg Medeiros
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, CP 26077, CEP 05508 000 São Paulo, SP, Brazil
| | - Paolo Di Mascio
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, CP 26077, CEP 05508 000 São Paulo, SP, Brazil
| | - J Richard Wagner
- Département de médecine nucléaire et radiobiologie, Faculté de médecine et des sciences de la santé, Université de Sherbrooke, Sherbrooke, Québec, Canada J1H 5N4
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8
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Nikitaki Z, Hellweg CE, Georgakilas AG, Ravanat JL. Stress-induced DNA damage biomarkers: applications and limitations. Front Chem 2015; 3:35. [PMID: 26082923 PMCID: PMC4451417 DOI: 10.3389/fchem.2015.00035] [Citation(s) in RCA: 101] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Accepted: 05/07/2015] [Indexed: 11/13/2022] Open
Abstract
A variety of environmental stresses like chemicals, UV and ionizing radiation and organism's endogenous processes such as replication stress and metabolism can lead to the generation of reactive oxygen and nitrogen species (ROS/RNS) that can attack cellular vital components like DNA, proteins and lipid membranes. Among them, much attention has been focused on DNA since DNA damage plays a role in several biological disorders and aging processes. Thus, DNA damage can be used as a biomarker in a reliable and accurate way to quantify for example radiation exposure and can indicate its possible long term effects and cancer risk. Based on the type of DNA lesions detected one can hypothesize on the most probable mechanisms involved in the formation of these lesions for example in the case of UV and ionizing radiation (e.g., X- or α-, γ-rays, energetic ions, neutrons). In this review we describe the most accepted chemical pathways for DNA damage induction and the different types of DNA lesions, i.e., single, complex DNA lesions etc. that can be used as DNA damage biomarkers. We critically compare DNA damage detection methods and their limitations. In addition, we suggest the use of DNA repair gene products as biomarkes for identification of different types of stresses i.e., radiation, oxidative, or replication stress, based on bioinformatic approaches and meta-analysis of literature data.
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Affiliation(s)
- Zacharenia Nikitaki
- DNA Damage and Repair Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens Athens, Greece
| | - Christine E Hellweg
- Radiation Biology Department, German Aerospace Center (DLR), Institute of Aerospace Medicine Köln, Germany
| | - Alexandros G Georgakilas
- DNA Damage and Repair Laboratory, Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens Athens, Greece
| | - Jean-Luc Ravanat
- Laboratoire des Lésions des Acides Nucléiques, Institut des Nanosciences et Cryogénie, Service de Chimie Inorgranique et Biologique, Université Grenoble Alpes Grenoble, France ; CEA, Institut des Nanosciences et Cryogénie, Service de Chimie Inorgranique et Biologique Grenoble, France
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9
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Pang D, Nico JS, Karam L, Timofeeva O, Blakely WF, Dritschilo A, Dizdaroglu M, Jaruga P. Significant disparity in base and sugar damage in DNA resulting from neutron and electron irradiation. JOURNAL OF RADIATION RESEARCH 2014; 55:1081-1088. [PMID: 25034731 PMCID: PMC4229924 DOI: 10.1093/jrr/rru059] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2013] [Revised: 05/20/2014] [Accepted: 06/08/2014] [Indexed: 06/03/2023]
Abstract
In this study, a comparison of the effects of neutron and electron irradiation of aqueous DNA solutions was investigated to characterize potential neutron signatures in DNA damage induction. Ionizing radiation generates numerous lesions in DNA, including base and sugar lesions, lesions involving base-sugar combinations (e.g. 8,5'-cyclopurine-2'-deoxynucleosides) and DNA-protein cross-links, as well as single- and double-strand breaks and clustered damage. The characteristics of damage depend on the linear energy transfer (LET) of the incident radiation. Here we investigated DNA damage using aqueous DNA solutions in 10 mmol/l phosphate buffer from 0-80 Gy by low-LET electrons (10 Gy/min) and the specific high-LET (∼0.16 Gy/h) neutrons formed by spontaneous (252)Cf decay fissions. 8-hydroxy-2'-deoxyguanosine (8-OH-dG), (5'R)-8,5'-cyclo-2'-deoxyadenosine (R-cdA) and (5'S)-8,5'-cyclo-2'-deoxyadenosine (S-cdA) were quantified using liquid chromatography-isotope-dilution tandem mass spectrometry to demonstrate a linear dose dependence for induction of 8-OH-dG by both types of radiation, although neutron irradiation was ∼50% less effective at a given dose compared with electron irradiation. Electron irradiation resulted in an exponential increase in S-cdA and R-cdA with dose, whereas neutron irradiation induced substantially less damage and the amount of damage increased only gradually with dose. Addition of 30 mmol/l 2-amino-2-(hydroxymethyl)-1,3-propanediol (TRIS), a free radical scavenger, to the DNA solution before irradiation reduced lesion induction to background levels for both types of radiation. These results provide insight into the mechanisms of DNA damage by high-LET (252)Cf decay neutrons and low-LET electrons, leading to enhanced understanding of the potential biological effects of these types of irradiation.
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Affiliation(s)
- Dalong Pang
- Department of Radiation Medicine, Georgetown University Hospital, 3800 Reservoir Road, LL Bles, Washington, DC 20007, USA
| | - Jeffrey S Nico
- Radiation Physics Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
| | - Lisa Karam
- Radiation Physics Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
| | - Olga Timofeeva
- Department of Radiation Medicine, Georgetown University Hospital, 3800 Reservoir Road, LL Bles, Washington, DC 20007, USA
| | - William F Blakely
- Scientific Research Department, Armed Forces Radiobiological Research Institute, Uniformed Services University of the Health Sciences, Bethesda, MD 20889, USA
| | - Anatoly Dritschilo
- Department of Radiation Medicine, Georgetown University Hospital, 3800 Reservoir Road, LL Bles, Washington, DC 20007, USA
| | - Miral Dizdaroglu
- Biomolecular Measurement Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
| | - Pawel Jaruga
- Biomolecular Measurement Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
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Ravanat JL, Breton J, Douki T, Gasparutto D, Grand A, Rachidi W, Sauvaigo S. Radiation-mediated formation of complex damage to DNA: a chemical aspect overview. Br J Radiol 2014; 87:20130715. [PMID: 24472775 DOI: 10.1259/bjr.20130715] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
During the last three decades, a considerable amount of work has been undertaken to determine the nature, the mechanism of formation and the biological consequences of radiation-induced DNA lesions. Most of the information was obtained via the development of chemical approaches, including theoretical, analytical and organic synthesis methods. Since it is not possible to present all the results obtained in this review article, we will focus on recent data dealing with the formation of complex DNA lesions produced by a single oxidation event, as these lesions may play a significant role in cellular responses to ionizing radiation and also to other sources of oxidative stress. Through the description of specific results, the contribution of different chemical disciplines in the assessment of the structure, the identification of the mechanism of formation and the biological impacts in terms of repair and mutagenicity of these complex radiation-induced DNA lesions will be highlighted.
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Affiliation(s)
- J-L Ravanat
- Laboratoire Lésions des Acides Nucléiques, Université Joseph Fourier/CEA/Institut Nanoscience et Cryogénie/SCIB, UMR-E3, Grenoble, France
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11
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Silerme S, Bobyk L, Taverna-Porro M, Cuier C, Saint-Pierre C, Ravanat JL. DNA-Polyamine Cross-Links Generated upon One Electron Oxidation of DNA. Chem Res Toxicol 2014; 27:1011-8. [DOI: 10.1021/tx500063d] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Stéphanie Silerme
- Laboratoire Lésions des Acides
Nucléiques, Université Grenoble Alpes, INAC-SCIB, F-38000
Grenoble, France, CEA, INAC-SCIB, 17
rue des Martyrs, 38000 Grenoble cédex 9, France
| | - Laure Bobyk
- Laboratoire Lésions des Acides
Nucléiques, Université Grenoble Alpes, INAC-SCIB, F-38000
Grenoble, France, CEA, INAC-SCIB, 17
rue des Martyrs, 38000 Grenoble cédex 9, France
| | - Marisa Taverna-Porro
- Laboratoire Lésions des Acides
Nucléiques, Université Grenoble Alpes, INAC-SCIB, F-38000
Grenoble, France, CEA, INAC-SCIB, 17
rue des Martyrs, 38000 Grenoble cédex 9, France
| | - Camille Cuier
- Laboratoire Lésions des Acides
Nucléiques, Université Grenoble Alpes, INAC-SCIB, F-38000
Grenoble, France, CEA, INAC-SCIB, 17
rue des Martyrs, 38000 Grenoble cédex 9, France
| | - Christine Saint-Pierre
- Laboratoire Lésions des Acides
Nucléiques, Université Grenoble Alpes, INAC-SCIB, F-38000
Grenoble, France, CEA, INAC-SCIB, 17
rue des Martyrs, 38000 Grenoble cédex 9, France
| | - Jean-Luc Ravanat
- Laboratoire Lésions des Acides
Nucléiques, Université Grenoble Alpes, INAC-SCIB, F-38000
Grenoble, France, CEA, INAC-SCIB, 17
rue des Martyrs, 38000 Grenoble cédex 9, France
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Cadet J, Wagner JR. Oxidatively generated base damage to cellular DNA by hydroxyl radical and one-electron oxidants: similarities and differences. Arch Biochem Biophys 2014; 557:47-54. [PMID: 24820329 DOI: 10.1016/j.abb.2014.05.001] [Citation(s) in RCA: 107] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Revised: 04/23/2014] [Accepted: 05/01/2014] [Indexed: 01/05/2023]
Abstract
Hydroxyl radical (OH) and one-electron oxidants that may be endogenously formed through oxidative metabolism, phagocytosis, inflammation and pathological conditions constitute the main sources of oxidatively generated damage to cellular DNA. It is worth mentioning that exposure of cells to exogenous physical agents (UV light, high intensity UV laser, ionizing radiation) and chemicals may also induce oxidatively generated damage to DNA. Emphasis is placed in this short review article on the mechanistic aspects of OH and one-electron oxidant-mediated formation of single and more complex damage (tandem lesions, intra- and interstrand cross-links, DNA-protein cross-links) in cellular DNA arising from one radical hit. This concerns DNA modifications that have been accurately measured using suitable analytical methods such as high performance liquid chromatography coupled with electrospray ionization tandem mass spectrometry. Evidence is provided that OH and one-electron oxidants after generating neutral radicals and base radical cations respectively may partly induce common degradation pathways. In addition, selective oxidative reactions giving rise to specific degradation products of OH and one-electron oxidation reactions that can be used as representative biomarkers of these oxidants have been identified.
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Affiliation(s)
- Jean Cadet
- Institut Nanosciences et Cryogénie, CEA/Grenoble, F-38054 Grenoble Cedex 9, France; Département de Médecine Nucléaire et Radiobiologie, Faculté de Médecine des Sciences de la santé, Université de Sherbrooke, Sherbrooke, Québec J1H 5N4, Canada.
| | - J Richard Wagner
- Département de Médecine Nucléaire et Radiobiologie, Faculté de Médecine des Sciences de la santé, Université de Sherbrooke, Sherbrooke, Québec J1H 5N4, Canada
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Cadet J, Wagner JR. DNA base damage by reactive oxygen species, oxidizing agents, and UV radiation. Cold Spring Harb Perspect Biol 2013; 5:5/2/a012559. [PMID: 23378590 DOI: 10.1101/cshperspect.a012559] [Citation(s) in RCA: 525] [Impact Index Per Article: 47.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Emphasis has been placed in this article dedicated to DNA damage on recent aspects of the formation and measurement of oxidatively generated damage in cellular DNA in order to provide a comprehensive and updated survey. This includes single pyrimidine and purine base lesions, intrastrand cross-links, purine 5',8-cyclonucleosides, DNA-protein adducts and interstrand cross-links formed by the reactions of either the nucleobases or the 2-deoxyribose moiety with the hydroxyl radical, one-electron oxidants, singlet oxygen, and hypochlorous acid. In addition, recent information concerning the mechanisms of formation, individual measurement, and repair-rate assessment of bipyrimidine photoproducts in isolated cells and human skin upon exposure to UVB radiation, UVA photons, or solar simulated light is critically reviewed.
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Affiliation(s)
- Jean Cadet
- Direction des Sciences de la Matière, Institut Nanosciences et Cryogénie, CEA/Grenoble, 38054 Grenoble, France.
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Oxidatively generated complex DNA damage: tandem and clustered lesions. Cancer Lett 2012; 327:5-15. [PMID: 22542631 DOI: 10.1016/j.canlet.2012.04.005] [Citation(s) in RCA: 172] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Revised: 04/02/2012] [Accepted: 04/15/2012] [Indexed: 11/22/2022]
Abstract
There is an increasing interest for oxidatively generated complex lesions that are potentially more detrimental than single oxidized nucleobases. In this survey, the recently available information on the formation and processing of several classes of complex DNA damage formed upon one radical hit including mostly hydroxyl radical and one-electron oxidants is critically reviewed. The modifications include tandem base lesions, DNA-protein cross-links and intrastrand (purine 5',8-cyclonucleosides, adjacent base cross-links) and interstrand cross-links. Information is also provided on clustered lesions produced essentially by exposure of cells to ionizing radiation and high energetic heavy ions through the involvement of multiple radical events that induce several lesions DNA in a close spatial vicinity. These consist mainly of double strand breaks (DSBs) and non-DSB clustered lesions that are referred as to oxidatively generated clustered DNA lesions (OCDLs).
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Cadet J, Douki T, Ravanat JL, Wagner JR. Measurement of oxidatively generated base damage to nucleic acids in cells: facts and artifacts. ACTA ACUST UNITED AC 2012. [DOI: 10.1007/s12566-012-0029-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Delaney S, Jarem DA, Volle CB, Yennie CJ. Chemical and biological consequences of oxidatively damaged guanine in DNA. Free Radic Res 2012; 46:420-41. [PMID: 22239655 DOI: 10.3109/10715762.2011.653968] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Of the four native nucleosides, 2'-deoxyguanosine (dGuo) is most easily oxidized. Two lesions derived from dGuo are 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodGuo) and 2,6-diamino-4-hydroxy-5-formamidopyrimidine (Fapy)∙dGuo. Furthermore, while steady-state levels of 8-oxodGuo can be detected in genomic DNA, it is also known that 8-oxodGuo is more easily oxidized than dGuo. Thus, 8-oxodGuo is susceptible to further oxidation to form several hyperoxidized dGuo products. This review addresses the structural impact, the mutagenic and genotoxic potential, and biological implications of oxidatively damaged DNA, in particular 8-oxodGuo, Fapy∙dGuo, and the hyperoxidized dGuo products.
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Affiliation(s)
- Sarah Delaney
- Department of Chemistry, Brown University, Providence, RI 02912, USA.
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Cadet J, Douki T, Ravanat JL. Measurement of oxidatively generated base damage in cellular DNA. Mutat Res 2011; 711:3-12. [PMID: 21329709 DOI: 10.1016/j.mrfmmm.2011.02.004] [Citation(s) in RCA: 94] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2010] [Revised: 01/26/2011] [Accepted: 02/06/2011] [Indexed: 05/30/2023]
Abstract
This survey focuses on the critical evaluation of the main methods that are currently available for monitoring single and complex oxidatively generated damage to cellular DNA. Among chromatographic methods, HPLC-ESI-MS/MS and to a lesser extent HPLC-ECD which is restricted to a few electroactive nucleobases and nucleosides are appropriate for measuring the formation of single and clustered DNA lesions. Such methods that require optimized protocols for DNA extraction and digestion are sensitive enough for measuring base lesions formed under conditions of severe oxidative stress including exposure to ionizing radiation, UVA light and high intensity UVC laser pulses. In contrast application of GC-MS and HPLC-MS methods that are subject to major drawbacks have been shown to lead to overestimated values of DNA damage. Enzymatic methods that are based on the use of DNA repair glycosylases in order to convert oxidized bases into strand breaks are suitable, even if they are far less specific than HPLC methods, to deal with low levels of single modifications. Several other methods including immunoassays and (32)P-postlabeling methods that are still used suffer from drawbacks and therefore are not recommended. Another difficult topic is the measurement of oxidatively generated clustered DNA lesions that is currently achieved using enzymatic approaches and that would necessitate further investigations.
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Affiliation(s)
- Jean Cadet
- Laboratoire "Lésions des Acides Nucléiques", SCIB-UMR-E n°3 (CEA/UJF), FRE CNRS 3200, Département de Recherche Fondamentale sur la Matière Condensée, CEA/Grenoble, F-38054 Grenoble Cedex 9, France.
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Cadet J, Douki T, Ravanat JL. Oxidatively generated base damage to cellular DNA. Free Radic Biol Med 2010; 49:9-21. [PMID: 20363317 DOI: 10.1016/j.freeradbiomed.2010.03.025] [Citation(s) in RCA: 380] [Impact Index Per Article: 27.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2010] [Revised: 03/16/2010] [Accepted: 03/26/2010] [Indexed: 12/17/2022]
Abstract
Search for the formation of oxidatively base damage in cellular DNA has been a matter of debate for more than 40 years due to the lack of accurate methods for the measurement of the lesions. HPLC associated with either tandem mass spectrometry (MS/MS) or electrochemical detector (ECD) together with optimized DNA extraction conditions constitutes a relevant analytical approach. This has allowed the accurate measurement of oxidatively generated single and clustered base damage in cellular DNA following exposure to acute oxidative stress conditions mediated by ionizing radiation, UVA light and one-electron oxidants. In this review the formation of 11 single base lesions that is accounted for by reactions of singlet oxygen, hydroxyl radical or high intensity UVC laser pulses with nucleobases is discussed on the basis of the mechanisms available from model studies. In addition several clustered lesions were found to be generated in cellular DNA as the result of one initial radical hit on either a vicinal base or the 2-deoxyribose. Information on nucleobase modifications that are formed upon addition of reactive aldehydes arising from the breakdown of lipid hydroperoxides is also provided.
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Affiliation(s)
- Jean Cadet
- Laboratoire Lésions des Acides Nucléiques, SCIB-UMR-E (CEA/UJF) Institut Nanosciences et Cryogénie, CEA/Grenoble, F-38054 Grenoble Cedex 9, France.
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Belmadoui N, Boussicault F, Guerra M, Ravanat JL, Chatgilialoglu C, Cadet J. Radiation-induced formation of purine 5′,8-cyclonucleosides in isolated and cellular DNA: high stereospecificity and modulating effect of oxygen. Org Biomol Chem 2010; 8:3211-9. [DOI: 10.1039/c004531d] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Chao MR, Yen CC, Hu CW. Prevention of artifactual oxidation in determination of cellular 8-oxo-7,8-dihydro-2'-deoxyguanosine by isotope-dilution LC-MS/MS with automated solid-phase extraction. Free Radic Biol Med 2008; 44:464-73. [PMID: 17983606 DOI: 10.1016/j.freeradbiomed.2007.10.003] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2007] [Revised: 10/04/2007] [Accepted: 10/08/2007] [Indexed: 11/16/2022]
Abstract
A highly sensitive quantitative method based on LC-MS/MS was developed to directly measure 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) and 2'-deoxyguanosine (dG) in crude DNA hydrolysates. With the use of isotopic internal standards and online solid-phase extraction (SPE), this method has overcome the artifactual response often observed during electrospray ionization by optimizing the washing conditions of online SPE to remove excess dG and allows 8-oxodG and dG to be accurately and simultaneously monitored by mass spectrometry. The detection limit of this method was estimated as 1.8 fmol for 8-oxodG. With this method, we further investigated the artifactual oxidation that occurred during concentration and purification of the DNA hydrolysates, commonly used before sample analysis. Our results demonstrated that drying under vacuum or purification with C18 cartridges led to a significant increase in the measured 8-oxodG by 6.8-30 8-oxodG/10(6) dG. The artifactual formation of 8-oxodG can be reduced only by adding desferrioxamine (DFO) and not 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO). However, DFO still failed to offer complete protection against oxidation during DNA hydrolysate concentration and purification. Therefore, to effectively prevent the artifacts formed during workup, the simplest approach is to use a direct measurement method involving an online enrichment/purification technique as proposed in this study.
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Affiliation(s)
- Mu-Rong Chao
- Department of Occupational Safety and Health, Chung Shan Medical University, Taichung 402, Taiwan
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Perrier S, Hau J, Gasparutto D, Cadet J, Favier A, Ravanat JL. Characterization of lysine-guanine cross-links upon one-electron oxidation of a guanine-containing oligonucleotide in the presence of a trilysine peptide. J Am Chem Soc 2007; 128:5703-10. [PMID: 16637637 DOI: 10.1021/ja057656i] [Citation(s) in RCA: 111] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Formation of DNA-protein cross-links involving the initial formation of a guanine radical cation was investigated. For this purpose, riboflavin-mediated photosensitization of a TGT oligonucleotide in aerated aqueous solution in the presence of the KKK tripeptide was performed. We have shown that the nucleophilic addition of the epsilon-amino group of the central lysine residue of KKK to the C8 atom of either the guanine radical cation or its deprotonated form gives rise to the efficient formation of a Nepsilon-(guanin-8-yl)-lysine cross-link. Interestingly, the time course of formation of the above-mentioned cross-link was found to be not linear with the time of irradiation, and its formation rapidly reached a plateau. This is explained by secondary decomposition of the initially generated cross-link which could be further oxidized more efficiently than starting TGT oligonucleotide. One-electron oxidation of the initially generated cross-link was found to produce mainly two diastereomeric cross-links exhibiting a spiroimino-trilysine-dihydantoin structure as inferred from enzymatic digestion, CD, UV, NMR and mass spectrometry measurements. In addition, other minor cross-links, for which formation was favored at acidic pH, were assigned as lysine-guanine adducts in which the modified guanine base exhibits a guanidino-trilysine-iminohydantoin structure. A proposed mechanism for the formation of the different detected oligonucleotide-peptide cross-links is given. The high yield of formation of the detected cross-links strongly suggests that a DNA-protein cross-link involving a lysine residue linked to the C8 position of guanine could be generated in cellular systems if a lysine is located in the close vicinity of a guanine radical cation.
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Affiliation(s)
- Sandrine Perrier
- Laboratoire Lésions des Acides Nucléiques, DRFMC/SCIB UMR-E3 CEA-UJF, CEA-Grenoble, 17 rue des Martyrs, F-38054 Grenoble Cedex 9, France
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Regulus P, Duroux B, Bayle PA, Favier A, Cadet J, Ravanat JL. Oxidation of the sugar moiety of DNA by ionizing radiation or bleomycin could induce the formation of a cluster DNA lesion. Proc Natl Acad Sci U S A 2007; 104:14032-7. [PMID: 17715301 PMCID: PMC1955805 DOI: 10.1073/pnas.0706044104] [Citation(s) in RCA: 131] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Bleomycin, a radiomimetic drug currently used in human cancer therapy, is a well known carcinogen. Its toxicity is mostly attributed to its potentiality to induce DNA double strand breaks likely arising from the formation of two vicinal DNA strand breaks, initiated by C4-hydrogen abstraction on the 2-deoxyribose moiety. In this work we demonstrate that such a hydrogen abstraction reaction is able to induce the formation of a clustered DNA lesion, involving a 3' strand break together with a modified sugar residue exhibiting a reactive alpha,beta-unsaturated aldehyde that further reacts with a proximate cytosine base. The lesion thus produced was detected as a mixture of four isomers by HPLC coupled to tandem mass spectrometry subsequent to DNA extraction and enzymatic digestion. The modified nucleosides that constitute new types of cytosine adducts were identified as the likely two pairs of diastereomers of 6-(2-deoxy-beta-D-erythro-pentofuranosyl)-2-hydroxy-3(3-hydroxy-2-oxopropyl)-2,6-dihydroimidazo[1,2-c]-pyrimidin-5(3H)-one as inferred from mass spectrometry and NMR analyses of the chemically synthesized nucleosides. We demonstrate that bleomycin, and to a minor extent ionizing radiation, are able to induce significant amounts of the cytosine damage in cellular DNA. In addition, the repair kinetic of the lesion in a human lymphocyte cell line is rather slow, with a half-life of 10 h. The 2'-deoxycytidine adducts thus characterized that represent the first example of complex DNA lesions isolated and identified in cellular DNA upon one radical hit are likely to play an important role in the toxicity of bleomycin.
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Affiliation(s)
| | | | - Pierre-Alain Bayle
- Laboratoire de Résonnance Magnétique, Laboratoire de Chimie Inorganique et Bioinorganique (Unité Mixte de Recherche E3, Commissariat à l'Energie Atomique–Université Joseph Fourier), Département de Recherche Fondamentale sur la Matière Condensée, Commissariat à l'Energie Atomique–Grenoble, 17 Avenue des Martyrs, 38054 Grenoble Cedex 9, France
| | - Alain Favier
- *Laboratoire des Lésions des Acides Nucléiques and
| | - Jean Cadet
- *Laboratoire des Lésions des Acides Nucléiques and
| | - Jean-Luc Ravanat
- *Laboratoire des Lésions des Acides Nucléiques and
- To whom correspondence should be addressed. E-mail:
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Frosina G. The current evidence for defective repair of oxidatively damaged DNA in Cockayne syndrome. Free Radic Biol Med 2007; 43:165-77. [PMID: 17603927 DOI: 10.1016/j.freeradbiomed.2007.04.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2007] [Revised: 03/31/2007] [Accepted: 04/02/2007] [Indexed: 12/21/2022]
Abstract
Cockayne syndrome (CS) is a rare recessive disorder characterized by a number of developmental abnormalities and premature aging. Two complementation groups (A and B) have been identified so far in CS cases. Defective transcription-coupled nucleotide excision repair is the hallmark of these patients, but in recent years evidence has been presented for a possible defect in the base excision repair pathway that removes oxidized bases. Recent results indicate that both A and B complementation groups are involved but the phenotypical consequences of this flaw remain undetermined.
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Affiliation(s)
- Guido Frosina
- Department of Translational Oncology, Experimental Oncology "B" Laboratory, Istituto Nazionale Ricerca Cancro, Largo Rosanna Benzi n. 10, 16132 Genova, Italy.
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Maurel V, Ravanat JL, Gambarelli S. Detection of reactive free radicals derived from nucleosides by liquid chromatography coupled to tandem mass spectrometry of DMPO spin trapping adducts. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2006; 20:2235-42. [PMID: 16810703 DOI: 10.1002/rcm.2579] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
In this study, reactive free radicals derived from several nucleosides were spin trapped by 5,5-dimethyl-1-pyrroline N-oxide (DMPO) and then detected by high-performance liquid chromatography coupled to electrospray ionization tandem mass spectrometry (HPLC/ESI-MS/MS). This method provides a specific detection of spin trapping adducts derived from nucleosides with a very high sensitivity: quantities as low as 0.5 picomoles of spin trapping adducts corresponding to concentrations of 2.5 10(-8) mol . L(-1) were detected. Different spin trapping adducts were characterized by HPLC/ESI-MS/MS in three well-known systems producing free radicals photochemically: the photolysis of 5-halo-2'-deoxyuridines, the photolysis of 5-thiophenylmethyl-2'-deoxyuridine and the photolysis of thymidine with menadione bisulfite as a photosensitizer. A new radical photoreactivity of uridine derivatives was also detected by this method both at the nucleoside and at the RNA level, showing that the method is also relevant for studying spin trapping adducts derived from DNA and RNA strands.
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Affiliation(s)
- Vincent Maurel
- Laboratoire de Résonances Magnétiques et Laboratoire des Lésions des Acides Nucléiques, LCIB, UMR-E 3 CEA-UJ, DRFMC, CEA-Grenoble, 38054 Grenoble Cedex 9, France
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Singh R, Farmer PB. Liquid chromatography-electrospray ionization-mass spectrometry: the future of DNA adduct detection. Carcinogenesis 2005; 27:178-96. [PMID: 16272169 DOI: 10.1093/carcin/bgi260] [Citation(s) in RCA: 159] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Over the past 40 years considerable emphasis has been placed on the development of accurate and sensitive methods for the detection and quantitation of DNA adducts. The formation of DNA adducts resulting from the covalent interaction of genotoxic carcinogens with DNA, derived from exogenous and endogenous sources, either directly or following metabolic activation, can if not repaired lead to mutations in critical genes such as those involved in the regulation of cellular growth and subsequent development of cancer. The major analytical challenge has been to detect levels of DNA adducts at the level of 0.1-1 adducts per 10(8) unmodified DNA bases using only low microgram amounts of DNA, and with high specificity and accuracy, in humans exposed to genotoxic carcinogens derived from occupational, environmental, dietary and life-style sources. In this review we will highlight the merits as well as discuss the progress made by liquid chromatography coupled to electrospray ionization mass spectrometry as a method for DNA adduct detection.
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Affiliation(s)
- Rajinder Singh
- Cancer Biomarkers and Prevention Group, Biocentre, University of Leicester, University Road, Leicester LE1 7RH, UK.
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Cooke MS, Olinski R, Evans MD. Does measurement of oxidative damage to DNA have clinical significance? Clin Chim Acta 2005; 365:30-49. [PMID: 16214123 DOI: 10.1016/j.cca.2005.09.009] [Citation(s) in RCA: 154] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2005] [Revised: 09/11/2005] [Accepted: 09/11/2005] [Indexed: 12/31/2022]
Abstract
Oxidative damage to DNA is the seemingly inevitable consequence of cellular metabolism. Furthermore, despite protective mechanisms, cellular levels of damage may increase under conditions of oxidative stress, arising from exposure to a variety of physical or chemical insults. Elevated levels of oxidatively damaged DNA have been measured in numerous diseases, and as a result, it has been hypothesised that such damage plays an integral role in the aetiology of that disease. This review examines the validity of this hypothesis, exploring the mechanisms by which oxidative DNA damage may lead to disease. We conclude that further validation of biomarkers of oxidative DNA damage, along with further elucidation of the role of damage in disease, may allow these biomarkers to become potentially useful clinical tools.
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Affiliation(s)
- Marcus S Cooke
- Radiation and Oxidative Stress Group, Department of Cancer Studies and Molecular Medicine, University of Leicester, Leicester Royal Infirmary, University Hospitals of Leicester NHS Trust, Leicester, LE2 7LX, UK.
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