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Sileikaite-Morvaközi I, Hansen WH, Davies MJ, Mandrup-Poulsen T, Hawkins CL. Detrimental Actions of Chlorinated Nucleosides on the Function and Viability of Insulin-Producing Cells. Int J Mol Sci 2023; 24:14585. [PMID: 37834034 PMCID: PMC10572493 DOI: 10.3390/ijms241914585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/21/2023] [Accepted: 09/22/2023] [Indexed: 10/15/2023] Open
Abstract
Neutrophils are innate immune cells that play a key role in pathogen clearance. They contribute to inflammatory diseases, including diabetes, by releasing pro-inflammatory cytokines, reactive oxygen species, and extracellular traps (NETs). NETs contain a DNA backbone and catalytically active myeloperoxidase (MPO), which produces hypochlorous acid (HOCl). Chlorination of the DNA nucleoside 8-chloro-deoxyguanosine has been reported as an early marker of inflammation in diabetes. In this study, we examined the reactivity of different chlorinated nucleosides, including 5-chloro-(deoxy)cytidine (5ClC, 5CldC), 8-chloro-(deoxy)adenosine (8ClA, 8CldA) and 8-chloro-(deoxy)guanosine (8ClG, 8CldG), with the INS-1E β-cell line. Exposure of INS-1E cells to 5CldC, 8CldA, 8ClA, and 8CldG decreased metabolic activity and intracellular ATP, and, together with 8ClG, induced apoptotic cell death. Exposure to 8ClA, but not the other nucleosides, resulted in sustained endoplasmic reticulum stress, activation of the unfolded protein response, and increased expression of thioredoxin-interacting protein (TXNIP) and heme oxygenase 1 (HO-1). Exposure of INS-1E cells to 5CldC also increased TXNIP and NAD(P)H dehydrogenase quinone 1 (NQO1) expression. In addition, a significant increase in the mRNA expression of NQO1 and GPx4 was seen in INS-1E cells exposed to 8ClG and 8CldA, respectively. However, a significant decrease in intracellular thiols was only observed in INS-1E cells exposed to 8ClG and 8CldG. Finally, a significant decrease in the insulin stimulation index was observed in experiments with all the chlorinated nucleosides, except for 8ClA and 8ClG. Together, these results suggest that increased formation of chlorinated nucleosides during inflammation in diabetes could influence β-cell function and may contribute to disease progression.
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Affiliation(s)
| | | | | | | | - Clare L. Hawkins
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark; (I.S.-M.); (M.J.D.); (T.M.-P.)
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Davies MJ, Hawkins CL. The Role of Myeloperoxidase in Biomolecule Modification, Chronic Inflammation, and Disease. Antioxid Redox Signal 2020; 32:957-981. [PMID: 31989833 DOI: 10.1089/ars.2020.8030] [Citation(s) in RCA: 152] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Significance: The release of myeloperoxidase (MPO) by activated leukocytes is critical in innate immune responses. MPO produces hypochlorous acid (HOCl) and other strong oxidants, which kill bacteria and other invading pathogens. However, MPO also drives the development of numerous chronic inflammatory pathologies, including atherosclerosis, neurodegenerative disease, lung disease, arthritis, cancer, and kidney disease, which are globally responsible for significant patient mortality and morbidity. Recent Advances: The development of imaging approaches to precisely identify the localization of MPO and the molecular targets of HOCl in vivo is an important advance, as typically the involvement of MPO in inflammatory disease has been inferred by its presence, together with the detection of biomarkers of HOCl, in biological fluids or diseased tissues. This will provide valuable information in regard to the cell types responsible for releasing MPO in vivo, together with new insight into potential therapeutic opportunities. Critical Issues: Although there is little doubt as to the value of MPO inhibition as a protective strategy to mitigate tissue damage during chronic inflammation in experimental models, the impact of long-term inhibition of MPO as a therapeutic strategy for human disease remains uncertain, in light of the potential effects on innate immunity. Future Directions: The development of more targeted MPO inhibitors or a treatment regimen designed to reduce MPO-associated host tissue damage without compromising pathogen killing by the innate immune system is therefore an important future direction. Similarly, a partial MPO inhibition strategy may be sufficient to maintain adequate bacterial activity while decreasing the propagation of inflammatory pathologies.
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Affiliation(s)
- Michael J Davies
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Copenhagen N, Denmark
| | - Clare L Hawkins
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Copenhagen N, Denmark
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Macer-Wright JL, Sileikaite I, Rayner BS, Hawkins CL. 8-Chloroadenosine Alters the Metabolic Profile and Downregulates Antioxidant and DNA Damage Repair Pathways in Macrophages. Chem Res Toxicol 2019; 33:402-413. [DOI: 10.1021/acs.chemrestox.9b00334] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Jessica L. Macer-Wright
- The Heart Research Institute, 7 Eliza Street, Newtown, New South Wales 2042, Australia
- Sydney Medical School, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Inga Sileikaite
- Department of Biomedical Sciences, University of Copenhagen, Panum, Blegdamsvej 3B, Copenhagen N, DK-2200, Denmark
| | - Benjamin S. Rayner
- The Heart Research Institute, 7 Eliza Street, Newtown, New South Wales 2042, Australia
- Sydney Medical School, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Clare L. Hawkins
- The Heart Research Institute, 7 Eliza Street, Newtown, New South Wales 2042, Australia
- Sydney Medical School, University of Sydney, Sydney, New South Wales 2006, Australia
- Department of Biomedical Sciences, University of Copenhagen, Panum, Blegdamsvej 3B, Copenhagen N, DK-2200, Denmark
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Tang V, Fu S, Rayner BS, Hawkins CL. 8-Chloroadenosine induces apoptosis in human coronary artery endothelial cells through the activation of the unfolded protein response. Redox Biol 2019; 26:101274. [PMID: 31307008 PMCID: PMC6629973 DOI: 10.1016/j.redox.2019.101274] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 07/05/2019] [Accepted: 07/09/2019] [Indexed: 01/02/2023] Open
Abstract
Infiltration of leukocytes within the vessel at sites of inflammation and the subsequent generation of myeloperoxidase-derived oxidants, including hypochlorous acid, are key characteristics of atherosclerosis. Hypochlorous acid is a potent oxidant that reacts readily with most biological molecules, including DNA and RNA. This results in nucleic acid modification and the formation of different chlorinated products. These products have been used as biomarkers of inflammation, owing to their presence in elevated amounts in different inflammatory fluids and diseased tissue, including atherosclerotic lesions. However, it is not clear whether these materials are simply biomarkers, or could also play a role in the development of chronic inflammatory pathologies. In this study, we examined the reactivity of different chlorinated nucleosides with human coronary artery endothelial cells (HCAEC). Evidence was obtained for the incorporation of each chlorinated nucleoside into the cellular RNA or DNA. However, only 8-chloro-adenosine (8ClA) had a significant effect on the cell viability and metabolic activity. Exposure of HCAEC to 8ClA decreased glycolysis, and resulted in a reduction in ATP, with a corresponding increase in the chlorinated analogue, 8Cl-ATP in the nucleotide pool. 8ClA also induced sustained endoplasmic reticulum stress within the HCAEC, which resulted in activation of the unfolded protein response, the altered expression of antioxidant genes and culminated in the release of calcium into the cytosol and cell death by apoptosis. Taken together, these data provide new insight into pathways by which myeloperoxidase activity and resultant hypochlorous acid generation could promote endothelial cell damage during chronic inflammation, which could be relevant to the progression of atherosclerosis.
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Affiliation(s)
- Vickie Tang
- Heart Research Institute, 7 Eliza Street, Newtown, NSW, 2042, Australia; Centre for Forensic Science, University of Technology Sydney, Broadway, NSW, 2007, Australia
| | - Shanlin Fu
- Centre for Forensic Science, University of Technology Sydney, Broadway, NSW, 2007, Australia
| | - Benjamin S Rayner
- Heart Research Institute, 7 Eliza Street, Newtown, NSW, 2042, Australia; Sydney Medical School, University of Sydney, Sydney, NSW, 2006, Australia
| | - Clare L Hawkins
- Heart Research Institute, 7 Eliza Street, Newtown, NSW, 2042, Australia; Sydney Medical School, University of Sydney, Sydney, NSW, 2006, Australia; Department of Biomedical Sciences, University of Copenhagen, Copenhagen N, DK, 2200, Denmark.
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Macer-Wright JL, Stanley NR, Portman N, Tan JT, Bursill C, Rayner BS, Hawkins CL. A Role for Chlorinated Nucleosides in the Perturbation of Macrophage Function and Promotion of Inflammation. Chem Res Toxicol 2019; 32:1223-1234. [DOI: 10.1021/acs.chemrestox.9b00044] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Jessica L. Macer-Wright
- The Heart Research Institute, 7 Eliza Street, Newtown, New South Wales 2042, Australia
- Sydney Medical School, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Naomi R. Stanley
- The Heart Research Institute, 7 Eliza Street, Newtown, New South Wales 2042, Australia
- Sydney Medical School, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Neil Portman
- The Heart Research Institute, 7 Eliza Street, Newtown, New South Wales 2042, Australia
| | - Joanne T. Tan
- The Heart Research Institute, 7 Eliza Street, Newtown, New South Wales 2042, Australia
- Sydney Medical School, University of Sydney, Sydney, New South Wales 2006, Australia
- South Australia Health and Medical Research Institute, Adelaide, South Australia 5000, Australia
| | - Christina Bursill
- The Heart Research Institute, 7 Eliza Street, Newtown, New South Wales 2042, Australia
- Sydney Medical School, University of Sydney, Sydney, New South Wales 2006, Australia
- South Australia Health and Medical Research Institute, Adelaide, South Australia 5000, Australia
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, South Australia 5000, Australia
| | - Benjamin S. Rayner
- The Heart Research Institute, 7 Eliza Street, Newtown, New South Wales 2042, Australia
- Sydney Medical School, University of Sydney, Sydney, New South Wales 2006, Australia
| | - Clare L. Hawkins
- The Heart Research Institute, 7 Eliza Street, Newtown, New South Wales 2042, Australia
- Sydney Medical School, University of Sydney, Sydney, New South Wales 2006, Australia
- Department of Biomedical Sciences, University of Copenhagen, Panum, Blegdamsvej 3B, Copenhagen N, DK-2200, Denmark
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Dou X, Mao J, Zhang L, Xie H, Chen L, Yu L, Ma F, Wang X, Zhang Q, Li P. Multispecies Adulteration Detection of Camellia Oil by Chemical Markers. Molecules 2018; 23:molecules23020241. [PMID: 29370131 PMCID: PMC6017810 DOI: 10.3390/molecules23020241] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Revised: 01/22/2018] [Accepted: 01/24/2018] [Indexed: 11/16/2022] Open
Abstract
Adulteration of edible oils has attracted attention from more researchers and consumers in recent years. Complex multispecies adulteration is a commonly used strategy to mask the traditional adulteration detection methods. Most of the researchers were only concerned about single targeted adulterants, however, it was difficult to identify complex multispecies adulteration or untargeted adulterants. To detect adulteration of edible oil, identification of characteristic markers of adulterants was proposed to be an effective method, which could provide a solution for multispecies adulteration detection. In this study, a simple method of multispecies adulteration detection for camellia oil (adulterated with soybean oil, peanut oil, rapeseed oil) was developed by quantifying chemical markers including four isoflavones, trans-resveratrol and sinapic acid, which used liquid chromatography tandem mass spectrometry (LC-MS/MS) combined with solid phase extraction (SPE). In commercial camellia oil, only two of them were detected of daidzin with the average content of 0.06 ng/g while other markers were absent. The developed method was highly sensitive as the limits of detection (LODs) ranged from 0.02 ng/mL to 0.16 ng/mL and the mean recoveries ranged from 79.7% to 113.5%, indicating that this method was reliable to detect potential characteristic markers in edible oils. Six target compounds for pure camellia oils, soybean oils, peanut oils and rapeseed oils had been analyzed to get the results. The validation results indicated that this simple and rapid method was successfully employed to determine multispecies adulteration of camellia oil adulterated with soybean, peanut and rapeseed oils.
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Affiliation(s)
- Xinjing Dou
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Wuhan 430062, China.
| | - Jin Mao
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
- Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture, Wuhan 430062, China.
- Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture, Wuhan 430062, China.
| | - Liangxiao Zhang
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
- Laboratory of Quality and Safety Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture, Wuhan 430062, China.
- Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture, Wuhan 430062, China.
- Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Wuhan 430062, China.
| | - Huali Xie
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Wuhan 430062, China.
| | - Lin Chen
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
- Laboratory of Quality and Safety Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture, Wuhan 430062, China.
| | - Li Yu
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
- Laboratory of Quality and Safety Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture, Wuhan 430062, China.
| | - Fei Ma
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
- Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture, Wuhan 430062, China.
| | - Xiupin Wang
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
- Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture, Wuhan 430062, China.
| | - Qi Zhang
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
- Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture, Wuhan 430062, China.
| | - Peiwu Li
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
- Laboratory of Quality and Safety Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture, Wuhan 430062, China.
- Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture, Wuhan 430062, China.
- Quality Inspection and Test Center for Oilseed Products, Ministry of Agriculture, Wuhan 430062, China.
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Noyon C, Roumeguère T, Delporte C, Dufour D, Cortese M, Desmet JM, Lelubre C, Rousseau A, Poelvoorde P, Nève J, Vanhamme L, Boudjeltia KZ, Van Antwerpen P. The presence of modified nucleosides in extracellular fluids leads to the specific incorporation of 5-chlorocytidine into RNA and modulates the transcription and translation. Mol Cell Biochem 2017; 429:59-71. [PMID: 28074342 DOI: 10.1007/s11010-016-2936-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Accepted: 12/23/2016] [Indexed: 12/13/2022]
Abstract
Myeloperoxidase (MPO) is able to promote several kinds of damage and is involved in mechanisms leading to various diseases such as atherosclerosis or cancers. An example of these damages is the chlorination of nucleic acids, which is considered as a specific marker of the MPO activity. Since 5-chlorocytidine has been recently shown in healthy donor plasmas, this study aimed at discovering if these circulating modified nucleosides could be incorporated into RNA and DNA and if their presence impacts the ability of enzymes involved in the incorporation, transcription, and translation processes. Experimentations, which were carried out in vitro with endothelial and prostatic cells, showed a large penetration of all chloronucleosides but an exclusive incorporation of 5-chlorocytidine into RNA. However, no incorporation into DNA was observed. This specific incorporation is accompanied by an important reduction of translation yield. Although, in vitro, DNA polymerase processed in the presence of chloronucleosides but more slowly than in control conditions, ribonucleotide reductase could not reduce chloronucleotides prior to the replication. This reduction seems to be a limiting step, protecting DNA from chloronucleoside incorporation. This study shows the capacity of transcription enzyme to specifically incorporate 5-chlorocytidine into RNA and the loss of capacity-complete or partial-of different enzymes, involved in replication, transcription or translation, in the presence of chloronucleosides. Questions remain about the long-term impact of such specific incorporation in the RNA and such decrease of protein production on the cell viability and function.
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Affiliation(s)
- Caroline Noyon
- Laboratory of Organic Pharmaceutical Chemistry, Faculty of Pharmacy, Université Libre de Bruxelles, 1050, Brussels, Belgium
| | - Thierry Roumeguère
- Department of Urology, Erasme Hospital, Université Libre de Bruxelles, 1070, Brussels, Belgium
| | - Cédric Delporte
- Laboratory of Organic Pharmaceutical Chemistry, Faculty of Pharmacy, Université Libre de Bruxelles, 1050, Brussels, Belgium.,Analytical Platform of the Faculty of Pharmacy, Laboratory of Pharmaceutical Chemistry, Faculty of Pharmacy, Université Libre de Bruxelles, Campus Plaine CP205/5, Boulevard du Triomphe, Brussels, 1050, Belgium
| | - Damien Dufour
- Laboratory of Organic Pharmaceutical Chemistry, Faculty of Pharmacy, Université Libre de Bruxelles, 1050, Brussels, Belgium
| | - Melissa Cortese
- Laboratory of Organic Pharmaceutical Chemistry, Faculty of Pharmacy, Université Libre de Bruxelles, 1050, Brussels, Belgium.,Analytical Platform of the Faculty of Pharmacy, Laboratory of Pharmaceutical Chemistry, Faculty of Pharmacy, Université Libre de Bruxelles, Campus Plaine CP205/5, Boulevard du Triomphe, Brussels, 1050, Belgium
| | - Jean-Marc Desmet
- Unit of Dialysis, CHU de Charleroi, A. Vésale Hospital, Université Libre de Bruxelles, 6110, Montigny-le-Tilleul, Belgium
| | - Christophe Lelubre
- Laboratory of Experimental Medicine, CHU de Charleroi, A. Vésale Hospital, Université Libre de Bruxelles, 6110, Montigny-le-Tilleul, Belgium
| | - Alexandre Rousseau
- Laboratory of Experimental Medicine, CHU de Charleroi, A. Vésale Hospital, Université Libre de Bruxelles, 6110, Montigny-le-Tilleul, Belgium
| | - Philippe Poelvoorde
- Laboratory of Molecular Biology of Inflammation, IBMM, Faculty of Sciences, Université Libre de Bruxelles, 6041, Gosselies, Belgium
| | - Jean Nève
- Laboratory of Organic Pharmaceutical Chemistry, Faculty of Pharmacy, Université Libre de Bruxelles, 1050, Brussels, Belgium
| | - Luc Vanhamme
- Laboratory of Molecular Biology of Inflammation, IBMM, Faculty of Sciences, Université Libre de Bruxelles, 6041, Gosselies, Belgium
| | - Karim Zouaoui Boudjeltia
- Laboratory of Experimental Medicine, CHU de Charleroi, A. Vésale Hospital, Université Libre de Bruxelles, 6110, Montigny-le-Tilleul, Belgium
| | - Pierre Van Antwerpen
- Laboratory of Organic Pharmaceutical Chemistry, Faculty of Pharmacy, Université Libre de Bruxelles, 1050, Brussels, Belgium. .,Analytical Platform of the Faculty of Pharmacy, Laboratory of Pharmaceutical Chemistry, Faculty of Pharmacy, Université Libre de Bruxelles, Campus Plaine CP205/5, Boulevard du Triomphe, Brussels, 1050, Belgium.
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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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