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Kulik K, Sadowska K, Wielgus E, Pacholczyk-Sienicka B, Sochacka E, Nawrot B. 2-Selenouridine, a Modified Nucleoside of Bacterial tRNAs, Its Reactivity in the Presence of Oxidizing and Reducing Reagents. Int J Mol Sci 2022; 23:ijms23147973. [PMID: 35887319 PMCID: PMC9325004 DOI: 10.3390/ijms23147973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/16/2022] [Accepted: 07/16/2022] [Indexed: 02/04/2023] Open
Abstract
The 5-substituted 2-selenouridines are natural components of the bacterial tRNA epitranscriptome. Because selenium-containing biomolecules are redox-active entities, the oxidation susceptibility of 2-selenouridine (Se2U) was studied in the presence of hydrogen peroxide under various conditions and compared with previously reported data for 2-thiouridine (S2U). It was found that Se2U is more susceptible to oxidation and converted in the first step to the corresponding diselenide (Se2U)2, an unstable intermediate that decomposes to uridine and selenium. The reversibility of the oxidized state of Se2U was demonstrated by the efficient reduction of (Se2U)2 to Se2U in the presence of common reducing agents. Thus, the 2-selenouridine component of tRNA may have antioxidant potential in cells because of its ability to react with both cellular ROS components and reducing agents. Interestingly, in the course of the reactions studied, we found that (Se2U)2 reacts with Se2U to form new ‘oligomeric nucleosides′ as linear and cyclic byproducts.
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Affiliation(s)
- Katarzyna Kulik
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland; (E.W.); (B.N.)
- Correspondence: ; Tel.: +48-(42)-68-03-215
| | - Klaudia Sadowska
- Institute of Organic Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland; (K.S.); (B.P.-S.); (E.S.)
| | - Ewelina Wielgus
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland; (E.W.); (B.N.)
| | - Barbara Pacholczyk-Sienicka
- Institute of Organic Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland; (K.S.); (B.P.-S.); (E.S.)
| | - Elzbieta Sochacka
- Institute of Organic Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland; (K.S.); (B.P.-S.); (E.S.)
| | - Barbara Nawrot
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland; (E.W.); (B.N.)
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Davies MJ, Schiesser CH. 1,4-Anhydro-4-seleno-d-talitol (SeTal): a remarkable selenium-containing therapeutic molecule. NEW J CHEM 2019. [DOI: 10.1039/c9nj02185j] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
1,4-Anhydro-4-seleno-d-talitol is an exceptional selenium-containing small molecule with significant therapeutic potential; its beneficial actions firmly establish a new therapeutic paradigm in which selenium plays a central role.
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Affiliation(s)
- Michael J. Davies
- Department of Biomedical Sciences, University of Copenhagen
- Denmark
- Seleno Therapeutics Pty. Ltd
- Australia
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Prabhu P, Singh BG, Noguchi M, Phadnis PP, Jain VK, Iwaoka M, Priyadarsini KI. Stable selones in glutathione-peroxidase-like catalytic cycle of selenonicotinamide derivative. Org Biomol Chem 2014; 12:2404-12. [DOI: 10.1039/c3ob42336k] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Stable selone formation in 2,2′-diselenobis[3-amidopyridine], reduces unwanted sulfur exchange reaction in glutathione peroxidase like catalytic cycle and enhances its enzyme activity.
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Affiliation(s)
- Parashiva Prabhu
- Chemistry Division
- Bhabha Atomic Research Centre
- Mumbai 400 085, India
| | - Beena G. Singh
- Radiation & Photochemistry Division
- Bhabha Atomic Research Centre
- Mumbai – 400 085, India
| | - Masato Noguchi
- Department of Chemistry
- School of Science
- Tokai University
- Kanagawa 259-1292, Japan
| | - Prasad P. Phadnis
- Chemistry Division
- Bhabha Atomic Research Centre
- Mumbai 400 085, India
| | - Vimal K. Jain
- Chemistry Division
- Bhabha Atomic Research Centre
- Mumbai 400 085, India
| | - Michio Iwaoka
- Department of Chemistry
- School of Science
- Tokai University
- Kanagawa 259-1292, Japan
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Kyne SH, Schiesser CH. N,S-Dimethyldithiocarbamyl oxalates as precursors for determining kinetic parameters for oxyacyl radicals. Chem Commun (Camb) 2014; 50:12040-2. [DOI: 10.1039/c4cc06132b] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
N,S-Dimethyldithiocarbamyl oxalates are novel, readily prepared precursors to oxyacyl radicals that are more suitable for kinetic studies than existing precursors.
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Affiliation(s)
- Sara H. Kyne
- ARC Centre of Excellence for Free Radical Chemistry and Biotechnology
- Australia
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute
- The University of Melbourne
- , Australia
| | - Carl H. Schiesser
- ARC Centre of Excellence for Free Radical Chemistry and Biotechnology
- Australia
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute
- The University of Melbourne
- , Australia
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Staples MK, Schiesser CH. Selenochromanes via tandem homolytic addition/substitution chemistry. Chem Commun (Camb) 2010; 46:565-7. [DOI: 10.1039/b919415k] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Lobachevsky S, Schiesser CH, Lin CY, Coote ML. First-Principles Prediction of Rate Coefficients for Free-Radical Cyclization Reactions at Selenium. J Phys Chem A 2008; 112:13622-7. [DOI: 10.1021/jp806535z] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sofia Lobachevsky
- ARC Centre of Excellence for Free Radical Chemistry and Biotechnology and School of Chemistry, Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Victoria, 3010 Australia, and Research School of Chemistry, Australian National University, Canberra ACT 0200, Australia
| | - Carl H. Schiesser
- ARC Centre of Excellence for Free Radical Chemistry and Biotechnology and School of Chemistry, Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Victoria, 3010 Australia, and Research School of Chemistry, Australian National University, Canberra ACT 0200, Australia
| | - Ching Yeh Lin
- ARC Centre of Excellence for Free Radical Chemistry and Biotechnology and School of Chemistry, Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Victoria, 3010 Australia, and Research School of Chemistry, Australian National University, Canberra ACT 0200, Australia
| | - Michelle L. Coote
- ARC Centre of Excellence for Free Radical Chemistry and Biotechnology and School of Chemistry, Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Victoria, 3010 Australia, and Research School of Chemistry, Australian National University, Canberra ACT 0200, Australia
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Nyfeler E, Renaud P. Decarboxylative Radical Azidation Using MPDOC and MMDOC Esters. Org Lett 2008; 10:985-8. [DOI: 10.1021/ol702832x] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Erich Nyfeler
- Department of Chemistry and Biochemistry, University of Berne, Freiestrasse 3, CH-3012 Berne, Switzerland
| | - Philippe Renaud
- Department of Chemistry and Biochemistry, University of Berne, Freiestrasse 3, CH-3012 Berne, Switzerland
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Fraser HL, Hopper DW, Kutterer KM, Crombie AL. Chapter 6.1 Six-membered ring systems: pyridine and benzo derivatives. ACTA ACUST UNITED AC 2008. [DOI: 10.1016/s0959-6380(08)80014-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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Lobachevsky S, Schiesser CH, Gupta V. Tandem homolytic addition/substitution sequences and their application to tin-free radical chemistry. Tetrahedron Lett 2007. [DOI: 10.1016/j.tetlet.2007.10.139] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Schiesser CH. Taming the free radical shrew ? learning to control homolytic reactions at higher heteroatoms. Chem Commun (Camb) 2006:4055-65. [PMID: 17024249 DOI: 10.1039/b608150a] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Free radical chemistry has come a long way in a relatively short period of time. Armed with mechanistic and rate constant data, the synthetic practitioner can now apply free radical chemistry to the synthesis of many different classes of target molecule with confidence. This Feature Article highlights progress made in the understanding and application of free radical reactions at main group higher heteroatoms and demonstrates how this knowledge can be used to construct interesting higher heterocycles, many of which exhibit biological activity, through the use of intramolecular homolytic substitution chemistry.
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Affiliation(s)
- Carl H Schiesser
- Australian Research Council Centre for Free Radical Chemistry and Biotechnology, School of Chemistry, The University of Melbourne, Victoria, Australia.
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