1
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Chancharoen M, Yang Z, Dalvie ED, Gubina N, Ruchirawat M, Croy RG, Fedeles BI, Essigmann JM. 5-Chloro-2'-deoxycytidine Induces a Distinctive High-Resolution Mutational Spectrum of Transition Mutations In Vivo. Chem Res Toxicol 2024; 37:486-496. [PMID: 38394377 PMCID: PMC10952010 DOI: 10.1021/acs.chemrestox.3c00358] [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: 11/09/2023] [Revised: 12/15/2023] [Accepted: 01/18/2024] [Indexed: 02/25/2024]
Abstract
The biomarker 5-chlorocytosine (5ClC) appears in the DNA of inflamed tissues. Replication of a site-specific 5ClC in a viral DNA genome results in C → T mutations, which is consistent with 5ClC acting as a thymine mimic in vivo. Direct damage of nucleic acids by immune-cell-derived hypochlorous acid is one mechanism by which 5ClC could appear in the genome. A second, nonmutually exclusive mechanism involves damage of cytosine nucleosides or nucleotides in the DNA precursor pool, with subsequent utilization of the 5ClC deoxynucleotide triphosphate as a precursor for DNA synthesis. The present work characterized the mutagenic properties of 5ClC in the nucleotide pool by exposing cells to the nucleoside 5-chloro-2'-deoxycytidine (5CldC). In both Escherichia coli and mouse embryonic fibroblasts (MEFs), 5CldC in the growth media was potently mutagenic, indicating that 5CldC enters cells and likely is erroneously incorporated into the genome from the nucleotide pool. High-resolution sequencing of DNA from MEFs derived from the gptΔ C57BL/6J mouse allowed qualitative and quantitative characterization of 5CldC-induced mutations; CG → TA transitions in 5'-GC(Y)-3' contexts (Y = a pyrimidine) were dominant, while TA → CG transitions appeared at a much lower frequency. The high-resolution mutational spectrum of 5CldC revealed a notable similarity to the Catalogue of Somatic Mutations in Cancer mutational signatures SBS84 and SBS42, which appear in human lymphoid tumors and in occupationally induced cholangiocarcinomas, respectively. SBS84 is associated with the expression of activation-induced cytidine deaminase (AID), a cytosine deaminase associated with inflammation, as well as immunoglobulin gene diversification during antibody maturation. The similarity between the spectra of AID activation and 5CldC could be coincidental; however, the administration of 5CldC did induce some AID expression in MEFs, which have no inherent expression of its gene. In summary, this work shows that 5CldC induces a distinct pattern of mutations in cells. Moreover, that pattern resembles human mutational signatures induced by inflammatory processes, such as those triggered in certain malignancies.
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Affiliation(s)
- Marisa Chancharoen
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
- Chulabhorn
Research Institute and Chulabhorn Graduate Institute, Bangkok 10210, Thailand
| | - Zhiyu Yang
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - Esha D. Dalvie
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - Nina Gubina
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - Mathuros Ruchirawat
- Chulabhorn
Research Institute and Chulabhorn Graduate Institute, Bangkok 10210, Thailand
| | - Robert G. Croy
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - Bogdan I. Fedeles
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
| | - John M. Essigmann
- Departments
of Biological Engineering and Chemistry, and Center for Environmental
Health Sciences, Massachusetts Institute
of Technology, Cambridge, Massachusetts 02139, United States
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2
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Kou Y, Koag MC, Lee S. Promutagenicity of 8-Chloroguanine, A Major Inflammation-Induced Halogenated DNA Lesion. Molecules 2019; 24:molecules24193507. [PMID: 31569643 PMCID: PMC6804246 DOI: 10.3390/molecules24193507] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 09/26/2019] [Accepted: 09/26/2019] [Indexed: 12/18/2022] Open
Abstract
Chronic inflammation is closely associated with cancer development. One possible mechanism for inflammation-induced carcinogenesis is DNA damage caused by reactive halogen species, such as hypochlorous acid, which is released by myeloperoxidase to kill pathogens. Hypochlorous acid can attack genomic DNA to produce 8-chloro-2′-deoxyguanosine (ClG) as a major lesion. It has been postulated that ClG promotes mutagenic replication using its syn conformer; yet, the structural basis for ClG-induced mutagenesis is unknown. We obtained crystal structures and kinetics data for nucleotide incorporation past a templating ClG using human DNA polymerase β (polβ) as a model enzyme for high-fidelity DNA polymerases. The structures showed that ClG formed base pairs with incoming dCTP and dGTP using its anti and syn conformers, respectively. Kinetic studies showed that polβ incorporated dGTP only 15-fold less efficiently than dCTP, suggesting that replication across ClG is promutagenic. Two hydrogen bonds between syn-ClG and anti-dGTP and a water-mediated hydrogen bond appeared to facilitate mutagenic replication opposite the major halogenated guanine lesion. These results suggest that ClG in DNA promotes G to C transversion mutations by forming Hoogsteen base pairing between syn-ClG and anti-G during DNA synthesis.
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Affiliation(s)
- Yi Kou
- The Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, The University of Texas at Austin, 2409 University Avenue, Austin, TX 78712, USA.
| | - Myong-Chul Koag
- The Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, The University of Texas at Austin, 2409 University Avenue, Austin, TX 78712, USA.
| | - Seongmin Lee
- The Division of Chemical Biology and Medicinal Chemistry, College of Pharmacy, The University of Texas at Austin, 2409 University Avenue, Austin, TX 78712, USA.
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3
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Gasse C, Zaarour M, Noppen S, Abramov M, Marlière P, Liekens S, De Strooper B, Herdewijn P. Modulation of BACE1 Activity by Chemically Modified Aptamers. Chembiochem 2018; 19:754-763. [PMID: 29327496 DOI: 10.1002/cbic.201700461] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 01/10/2018] [Indexed: 11/10/2022]
Abstract
A modified DNA aptamer that binds BACE1, a therapeutic target involved in Alzheimer's disease has been developed. This ssXNA not only tightly binds to BACE1 but also inhibits its protease activity in vitro in the same range as a previously described unmodified aptamer. We report the in vitro selection of functional oligonucleotides incorporating two nucleobase modifications: 5-chlorouracil and 7-deazaadenine. The nucleoside analogue 5-chloro-2'-deoxyuridine has already been explored as a replacement for thymidine in a chemically modified genome of a bacterium. Thus, 5-chlorouracil modification is a good candidate to support genetic transfer in vivo as well as functional activity.
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Affiliation(s)
- Cécile Gasse
- Univ Evry, CNRS-UMR8030-Laboratoire iSSB, CEA, DRF, IG, Genoscope, Université Paris-Saclay, 5 rue Henri Desbruères, Évry, 91030, France
| | - Marwa Zaarour
- Univ Evry, CNRS-UMR8030-Laboratoire iSSB, CEA, DRF, IG, Genoscope, Université Paris-Saclay, 5 rue Henri Desbruères, Évry, 91030, France
| | - Sam Noppen
- Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, KU Leuven, Herestraat 49, Postbus 1043, 3000, Leuven, Belgium
| | - Mikhail Abramov
- Medicinal Chemistry, Rega Institute for Medical Research, KU Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Philippe Marlière
- The European Syndicate of Synthetic Scientists and Industrialists (TESSI), 81 rue Réaumur, 75002, Paris, France
| | - Sandra Liekens
- Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, KU Leuven, Herestraat 49, Postbus 1043, 3000, Leuven, Belgium
| | - Bart De Strooper
- VIB, Center for Brain & Disease Research, Herestraat 49, 3000, Leuven, Belgium.,Department of Neurosciences, Leuven Institute for Neuroscience and Disease, KU Leuven, Herestraat 49, 3000, Leuven, Belgium.,Dementia Research Institute (UK), University College London, Gower Street, WC1E 6BT, London, UK
| | - Piet Herdewijn
- Univ Evry, CNRS-UMR8030-Laboratoire iSSB, CEA, DRF, IG, Genoscope, Université Paris-Saclay, 5 rue Henri Desbruères, Évry, 91030, France.,Medicinal Chemistry, Rega Institute for Medical Research, KU Leuven, Herestraat 49, 3000, Leuven, Belgium
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4
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Eremeeva E, Abramov M, Margamuljana L, Herdewijn P. Base-Modified Nucleic Acids as a Powerful Tool for Synthetic Biology and Biotechnology. Chemistry 2017; 23:9560-9576. [PMID: 28513881 DOI: 10.1002/chem.201700679] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Indexed: 11/10/2022]
Abstract
The ability of various nucleoside triphosphate analogues of deoxyguanosine and deoxycytidine with 7-deazadeoxyadenosine (A1 ) and 5-chlorodeoxyuridine (T1 ) to serve as substrates for Taq DNA polymerase was evaluated. The triphosphate set composed of A1 , T1 , and 7-deazadeoxyguanosine with either 5-methyldeoxycytidine or 5-fluorodeoxycytidine was successfully employed in the polymerase chain reaction (PCR) of 1.5 kb fragments as well as random oligonucleotide libraries. Another effective combination of triphosphates for the synthesis of a 1 kb PCR product was A1 , T1 , deoxyinosine, and 5-bromodeoxycytidine. In vivo experiments using an antibiotic-resistant gene containing the latter set demonstrated that the bacterial machinery accepts fully modified sequences as genetic templates. Moreover, the ability of the base-modified segments to selectively protect DNA from cleavage by restriction endonucleases was shown. This approach can be used to regulate the endonuclease cleavage pattern.
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Affiliation(s)
- Elena Eremeeva
- KU Leuven, Rega Institute for Medical Research, Medicinal Chemistry, Herestraat 49 box 1041, 3000, Leuven, Belgium
| | - Michail Abramov
- KU Leuven, Rega Institute for Medical Research, Medicinal Chemistry, Herestraat 49 box 1041, 3000, Leuven, Belgium
| | - Lia Margamuljana
- KU Leuven, Rega Institute for Medical Research, Medicinal Chemistry, Herestraat 49 box 1041, 3000, Leuven, Belgium
| | - Piet Herdewijn
- KU Leuven, Rega Institute for Medical Research, Medicinal Chemistry, Herestraat 49 box 1041, 3000, Leuven, Belgium.,Université d'évry, CNRS-UMR8030/ Laboratoire iSSB, CEA, DRF, IG, Genoscope, Université Paris-Saclay, évry, 91000, Paris, France
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5
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Yu Y, Cui Y, Niedernhofer LJ, Wang Y. Occurrence, Biological Consequences, and Human Health Relevance of Oxidative Stress-Induced DNA Damage. Chem Res Toxicol 2016; 29:2008-2039. [PMID: 27989142 DOI: 10.1021/acs.chemrestox.6b00265] [Citation(s) in RCA: 96] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A variety of endogenous and exogenous agents can induce DNA damage and lead to genomic instability. Reactive oxygen species (ROS), an important class of DNA damaging agents, are constantly generated in cells as a consequence of endogenous metabolism, infection/inflammation, and/or exposure to environmental toxicants. A wide array of DNA lesions can be induced by ROS directly, including single-nucleobase lesions, tandem lesions, and hypochlorous acid (HOCl)/hypobromous acid (HOBr)-derived DNA adducts. ROS can also lead to lipid peroxidation, whose byproducts can also react with DNA to produce exocyclic DNA lesions. A combination of bioanalytical chemistry, synthetic organic chemistry, and molecular biology approaches have provided significant insights into the occurrence, repair, and biological consequences of oxidatively induced DNA lesions. The involvement of these lesions in the etiology of human diseases and aging was also investigated in the past several decades, suggesting that the oxidatively induced DNA adducts, especially bulky DNA lesions, may serve as biomarkers for exploring the role of oxidative stress in human diseases. The continuing development and improvement of LC-MS/MS coupled with the stable isotope-dilution method for DNA adduct quantification will further promote research about the clinical implications and diagnostic applications of oxidatively induced DNA adducts.
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Affiliation(s)
| | | | - Laura J Niedernhofer
- Department of Metabolism and Aging, The Scripps Research Institute Florida , Jupiter, Florida 33458, United States
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6
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Patra A, Harp J, Pallan PS, Zhao L, Abramov M, Herdewijn P, Egli M. Structure, stability and function of 5-chlorouracil modified A:U and G:U base pairs. Nucleic Acids Res 2012; 41:2689-97. [PMID: 23275540 PMCID: PMC3575798 DOI: 10.1093/nar/gks1316] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The thymine analog 5-chlorouridine, first reported in the 1950s as anti-tumor agent, is known as an effective mutagen, clastogen and toxicant as well as an effective inducer of sister-chromatid exchange. Recently, the first microorganism with a chemically different genome was reported; the selected Escherichia coli strain relies on the four building blocks 5-chloro-2'-deoxyuridine (ClU), A, C and G instead of the standard T, A, C, G alphabet [Marlière,P., Patrouix,J., Döring,V., Herdewijn,P., Tricot,S., Cruveiller,S., Bouzon,M. and Mutzel,R. (2011) Chemical evolution of a bacterium's genome. Angew. Chem. Int. Ed., 50, 7109-7114]. The residual fraction of T in the DNA of adapted bacteria was <2% and the switch from T to ClU was accompanied by a massive number of mutations, including >1500 A to G or G to A transitions in a culture. The former is most likely due to wobble base pairing between ClU and G, which may be more common for ClU than T. To identify potential changes in the geometries of base pairs and duplexes as a result of replacement of T by ClU, we determined four crystal structures of a B-form DNA dodecamer duplex containing ClU:A or ClU:G base pairs. The structures reveal nearly identical geometries of these pairs compared with T:A or T:G, respectively, and no consequences for stability and cleavage by an endonuclease (EcoRI). The lack of significant changes in the geometry of ClU:A and ClU:G base pairs relative to the corresponding native pairs is consistent with the sustained unlimited self-reproduction of E. coli strains with virtually complete T→ClU genome substitution.
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Affiliation(s)
- Amritraj Patra
- Department of Biochemistry, School of Medicine, Vanderbilt University, Nashville, TN 37232, USA
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7
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Sassa A, Kamoshita N, Matsuda T, Ishii Y, Kuraoka I, Nohmi T, Ohta T, Honma M, Yasui M. Miscoding properties of 8-chloro-2'-deoxyguanosine, a hypochlorous acid-induced DNA adduct, catalysed by human DNA polymerases. Mutagenesis 2012; 28:81-8. [PMID: 23076070 DOI: 10.1093/mutage/ges056] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Many chronic inflammatory conditions are associated with an increased risk of cancer development. At the site of inflammation, cellular DNA is damaged by hypochlorous acid (HOCl), a potent oxidant generated by myeloperoxidase. 8-Chloro-2'-deoxyguanosine (8-Cl-dG) is a major DNA adduct formed by HOCl and has been detected from the liver DNA and urine of rats administered lipopolysaccharide in an inflammation model. Thus, the 8-Cl-dG lesion may be associated with the carcinogenesis of inflamed tissues. In this study, we explored the miscoding properties of the 8-Cl-dG adduct generated by human DNA polymerases (pols). Site-specifically modified oligodeoxynucleotide containing a single 8-Cl-dG was prepared and used as a template in primer extension reactions catalysed by human pol α, ĸ or η. Primer extension reactions catalysed by pol α and ĸ in the presence of all four dNTPs were slightly retarded at the 8-Cl-dG site, while pol η readily bypassed the lesion. The fully extended products were analysed to quantify the miscoding frequency and specificity of 8-Cl-dG using two-phased polyacrylamide gel electrophoresis (PAGE). During the primer extension reaction in the presence of four dNTPs, pol ĸ promoted one-base deletion (6.4%), accompanied by the misincorporation of 2'-deoxyguanosine monophosphate (5.5%), dAMP (3.7%), and dTMP (3.5%) opposite the lesion. Pol α and η, on the other hand, exclusively incorporated dCMP opposite the lesion. The steady-state kinetic studies supported the results obtained from the two-phased PAGE assay. These results indicate that 8-Cl-dG is a mutagenic lesion; the miscoding frequency and specificity varies depending on the DNA polymerase used. Thus, HOCl-induced 8-Cl-dG adduct may be involved in inflammation-driven carcinogenesis.
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Affiliation(s)
- Akira Sassa
- Division of Genetics and Mutagenesis, National Institute of Health Sciences, Setagaya-ku, Tokyo 158-8501, Japan
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8
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Selective and Sensitive Fluorescence Chemosensor for the Hypochlorite Anion in Water. J Fluoresc 2012; 22:1257-62. [DOI: 10.1007/s10895-012-1066-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2012] [Accepted: 05/28/2012] [Indexed: 12/16/2022]
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9
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Lukmanov TI, Abdrakhimova GS, Khamitov EM, Ivanov SP. Quantum-chemical calculations of the relative stability of the keto-enol tautomers of 5-chlorouracyl. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2012. [DOI: 10.1134/s0036024412070151] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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10
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Nishikawa T, Miyahara E, Horiuchi M, Izumo K, Okamoto Y, Kawai Y, Kawano Y, Takeuchi T. Benzene metabolite 1,2,4-benzenetriol induces halogenated DNA and tyrosines representing halogenative stress in the HL-60 human myeloid cell line. ENVIRONMENTAL HEALTH PERSPECTIVES 2012; 120:62-67. [PMID: 21859636 PMCID: PMC3261936 DOI: 10.1289/ehp.1103437] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2011] [Accepted: 08/22/2011] [Indexed: 05/31/2023]
Abstract
BACKGROUND Although benzene is known to be myelotoxic and to cause myeloid leukemia in humans, the mechanism has not been elucidated. OBJECTIVES We focused on 1,2,4-benzenetriol (BT), a benzene metabolite that generates reactive oxygen species (ROS) by autoxidation, to investigate the toxicity of benzene leading to leukemogenesis. METHODS After exposing HL-60 human myeloid cells to BT, we investigated the cellular effects, including apoptosis, ROS generation, DNA damage, and protein damage. We also investigated how the cellular effects of BT were modified by hydrogen peroxide (H2O2) scavenger catalase, hypochlorous acid (HOCl) scavenger methionine, and 4-aminobenzoic acid hydrazide (ABAH), a myeloperoxidase (MPO)-specific inhibitor. RESULTS BT increased the levels of apoptosis and ROS, including superoxide (O2•-), H2O2, HOCl, and the hydroxyl radical (•OH). Catalase, ABAH, and methionine each inhibited the increased apoptosis caused by BT, and catalase and ABAH inhibited increases in HOCl and •OH. Although BT exposure increased halogenated DNA, this increase was inhibited by catalase, methionine, and ABAH. BT exposure also increased the amount of halogenated tyrosines; however, it did not increase 8-oxo-deoxyguanosine. CONCLUSIONS We suggest that BT increases H2O2 intracellularly; this H2O2 is metabolized to HOCl by MPO, and this HOCl results in possibly cytotoxic binding of chlorine to DNA. Because myeloid cells copiously express MPO and because halogenated DNA may induce both genetic and epigenetic changes that contribute to carcinogenesis, halogenative stress may account for benzene-induced bone marrow disorders and myeloid leukemia.
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Affiliation(s)
- Takuro Nishikawa
- Department of Environmental Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuraga-oka, Kagoshima, Japan.
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Marlière P, Patrouix J, Döring V, Herdewijn P, Tricot S, Cruveiller S, Bouzon M, Mutzel R. Chemical Evolution of a Bacterium’s Genome. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201100535] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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12
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Marlière P, Patrouix J, Döring V, Herdewijn P, Tricot S, Cruveiller S, Bouzon M, Mutzel R. Chemical Evolution of a Bacterium’s Genome. Angew Chem Int Ed Engl 2011; 50:7109-14. [DOI: 10.1002/anie.201100535] [Citation(s) in RCA: 145] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2011] [Revised: 04/15/2011] [Indexed: 11/08/2022]
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