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Panasenko OM, Torkhovskaya TI, Gorudko IV, Sokolov AV. The Role of Halogenative Stress in Atherogenic Modification of Low-Density Lipoproteins. BIOCHEMISTRY (MOSCOW) 2020; 85:S34-S55. [PMID: 32087053 DOI: 10.1134/s0006297920140035] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This review discusses formation of reactive halogen species (RHS) catalyzed by myeloperoxidase (MPO), an enzyme mostly present in leukocytes. An imbalance between the RHS production and body's ability to remove or neutralize them leads to the development of halogenative stress. RHS reactions with proteins, lipids, carbohydrates, and antioxidants in the content of low-density lipoproteins (LDLs) of the human blood are described. MPO binds site-specifically to the LDL surface and modifies LDL properties and structural organization, which leads to the LDL conversion into proatherogenic forms captured by monocytes/macrophages, which causes accumulation of cholesterol and its esters in these cells and their transformation into foam cells, the basis of atherosclerotic plaques. The review describes the biomarkers of MPO enzymatic activity and halogenative stress, as well as the involvement of the latter in the development of atherosclerosis.
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Affiliation(s)
- O M Panasenko
- Federal Research and Clinical Center of Physico-Chemical Medicine, Federal Medical Biological Agency, Moscow, 119435, Russia.
| | - T I Torkhovskaya
- Federal Research and Clinical Center of Physico-Chemical Medicine, Federal Medical Biological Agency, Moscow, 119435, Russia.,Orekhovich Institute of Biomedical Chemistry, Moscow, 119121, Russia
| | - I V Gorudko
- Belarusian State University, Minsk, 220030, Belarus
| | - A V Sokolov
- Federal Research and Clinical Center of Physico-Chemical Medicine, Federal Medical Biological Agency, Moscow, 119435, Russia. .,Institute of Experimental Medicine, St. Petersburg, 197376, Russia
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Panasenko OM, Gorudko IV, Sokolov AV. Hypochlorous acid as a precursor of free radicals in living systems. BIOCHEMISTRY (MOSCOW) 2014; 78:1466-89. [PMID: 24490735 DOI: 10.1134/s0006297913130075] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Hypochlorous acid (HOCl) is produced in the human body by the family of mammalian heme peroxidases, mainly by myeloperoxidase, which is secreted by neutrophils and monocytes at sites of inflammation. This review discusses the reactions that occur between HOCl and the major classes of biologically important molecules (amino acids, proteins, nucleotides, nucleic acids, carbohydrates, lipids, and inorganic substances) to form free radicals. The generation of such free radical intermediates by HOCl and other reactive halogen species is accompanied by the development of halogenative stress, which causes a number of socially important diseases, such as cardiovascular, neurodegenerative, infectious, and other diseases usually associated with inflammatory response and characterized by the appearance of biomarkers of myeloperoxidase and halogenative stress. Investigations aimed at elucidating the mechanisms regulating the activity of enzyme systems that are responsible for the production of reactive halogen species are a crucial step in opening possibilities for control of the development of the body's inflammatory response.
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Affiliation(s)
- O M Panasenko
- Research Institute of Physico-Chemical Medicine, Moscow, 119435, Russia.
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Sokolov AV, Solovyov KV, Kostevich VA, Chekanov AV, Pulina MO, Zakharova ET, Shavlovski MM, Panasenko OM, Vasilyev VB. Protection of ceruloplasmin by lactoferrin against hydroxyl radicals is pH dependent1This article is part of a Special Issue entitled Lactoferrin and has undergone the Journal’s usual peer review process. Biochem Cell Biol 2012; 90:397-404. [DOI: 10.1139/o2012-004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Destruction of ceruloplasmin (Cp) in the presence of hydrogen peroxide is accompanied by the release of the protein’s copper ions that provoke formation of hydroxyl radicals (OH˙) and, consequently, further degradation of the protein. Under such conditions, degradation of Cp is hampered by a number of substances able to bind copper ions. Lactoferrin (Lf) is the most active protector of Cp, its protective effect depending on the pH of the medium. The best protection of Cp by Lf was detected at pH 7.4. In an acidic buffer (pH 5.5), Lf did not affect the destruction of Cp. The pH-dependent efficiency of copper binding by Lf is in good agreement with its capacity to protect Cp against degradation provoked by hydrogen peroxide. It seems likely that peroxide-dependent degradation of Cp stimulated by its own copper ions is a part of neutrophil-induced antimicrobial reactions and may take place properly at the foci of inflammation. Interaction of Lf with Cp may regulate the generation of OH˙ from hydrogen peroxide in the foci of inflammation and protect the adjacent tissues.
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Affiliation(s)
- Alexey V. Sokolov
- Institute for Experimental Medicine, N-W Branch of the Russian Academy of Medical Sciences, 197376 Saint-Petersburg, Acad. Pavlov street 12, Russia
- Research Institute of Physico-Chemical Medicine, Malaya Pirogovskaya str, 1a, Moscow 119992, Russia
| | - Kirill V. Solovyov
- Institute for Experimental Medicine, N-W Branch of the Russian Academy of Medical Sciences, 197376 Saint-Petersburg, Acad. Pavlov street 12, Russia
| | - Valeria A. Kostevich
- Institute for Experimental Medicine, N-W Branch of the Russian Academy of Medical Sciences, 197376 Saint-Petersburg, Acad. Pavlov street 12, Russia
- Research Institute of Physico-Chemical Medicine, Malaya Pirogovskaya str, 1a, Moscow 119992, Russia
| | - Andrey V. Chekanov
- Research Institute of Physico-Chemical Medicine, Malaya Pirogovskaya str, 1a, Moscow 119992, Russia
| | - Maria O. Pulina
- Institute for Experimental Medicine, N-W Branch of the Russian Academy of Medical Sciences, 197376 Saint-Petersburg, Acad. Pavlov street 12, Russia
| | - Elena T. Zakharova
- Institute for Experimental Medicine, N-W Branch of the Russian Academy of Medical Sciences, 197376 Saint-Petersburg, Acad. Pavlov street 12, Russia
| | - Mikhail M. Shavlovski
- Institute for Experimental Medicine, N-W Branch of the Russian Academy of Medical Sciences, 197376 Saint-Petersburg, Acad. Pavlov street 12, Russia
| | - Oleg M. Panasenko
- Research Institute of Physico-Chemical Medicine, Malaya Pirogovskaya str, 1a, Moscow 119992, Russia
| | - Vadim B. Vasilyev
- Institute for Experimental Medicine, N-W Branch of the Russian Academy of Medical Sciences, 197376 Saint-Petersburg, Acad. Pavlov street 12, Russia
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Malle E, Marsche G, Arnhold J, Davies MJ. Modification of low-density lipoprotein by myeloperoxidase-derived oxidants and reagent hypochlorous acid. Biochim Biophys Acta Mol Cell Biol Lipids 2006; 1761:392-415. [PMID: 16698314 DOI: 10.1016/j.bbalip.2006.03.024] [Citation(s) in RCA: 316] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2006] [Revised: 03/27/2006] [Accepted: 03/28/2006] [Indexed: 10/24/2022]
Abstract
Substantial evidence supports the notion that oxidative processes contribute to the pathogenesis of atherosclerosis and coronary heart disease. The nature of the oxidants that give rise to the elevated levels of oxidised lipids and proteins, and decreased levels of antioxidants, detected in human atherosclerotic lesions are, however, unclear, with multiple species having been invoked. Over the last few years, considerable data have been obtained in support of the hypothesis that oxidants generated by the heme enzyme myeloperoxidase play a key role in oxidation reactions in the artery wall. In this article, the evidence for a role of myeloperoxidase, and oxidants generated therefrom, in the modification of low-density lipoprotein, the major source of lipids in atherosclerotic lesions, is reviewed. Particular emphasis is placed on the reactions of the reactive species generated by this enzyme, the mechanisms and sites of damage, the role of modification of the different components of low-density lipoprotein, and the biological consequences of such oxidation on cell types present in the artery wall and in the circulation, respectively.
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Affiliation(s)
- Ernst Malle
- Medical University Graz, Center of Molecular Medicine, Institute of Molecular Biology and Biochemistry, Harrachgasse 21, A-8010 Graz, Austria.
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Panasenko OM, Chekanov AV, Arnhold J, Sergienko VI, Osipov AN, Vladimirov YA. Generation of Free Radicals during Decomposition of Hydroperoxide in the Presence of Myeloperoxidase or Activated Neutrophils. BIOCHEMISTRY (MOSCOW) 2005; 70:998-1004. [PMID: 16266270 DOI: 10.1007/s10541-005-0215-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
It was shown with the spin trap alpha-(4-pyridyl-1-oxide)-N-tert-butylnitrone that myeloperoxidase (MPO) in the presence of its substrates H2O2 and Cl- as well as activated neutrophils destroy tert-butyl hydroperoxide producing two adducts of O-centered radicals which were identified as peroxyl and alcoxyl radicals. Inhibitory analysis performed with traps of hypochlorite (taurine and methionine), free radical scavengers (2,6-di-tret-butyl-4-methylphenol and mannitol), and MPO inhibitors (salicylhydroxamic acid and 4-aminobenzoic acid hydrazide) revealed that the destruction of the hydroperoxide group in the presence of isolated MPO or activated neutrophils was directly caused by the activity of MPO: some radical intermediates appeared as a result of the chlorination cycle of MPO at the stage of hypochlorite generation, whereas the other radicals were produced independently of hypochlorite, presumably with involvement of the peroxidase cycle of MPO. The data suggest that the activated neutrophils located in the inflammatory foci and secreting MPO into the extracellular space can convert hydroperoxides into free radicals initiating lipid peroxidation and other free radical reactions and, thus, promoting destruction of protein-lipid complexes (biological membranes, blood lipoproteins, etc.).
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Affiliation(s)
- O M Panasenko
- Institute of Physicochemical Medicine, Moscow, 119828, Russia.
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