1
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Yurina LV, Vasilyeva AD, Gavrilina ES, Ivanov VS, Obydennyi SI, Chabin IA, Indeykina MI, Kononikhin AS, Nikolaev EN, Rosenfeld MA. A role of methionines in the functioning of oxidatively modified fibrinogen. BIOCHIMICA ET BIOPHYSICA ACTA. PROTEINS AND PROTEOMICS 2024; 1872:141013. [PMID: 38582358 DOI: 10.1016/j.bbapap.2024.141013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 03/05/2024] [Accepted: 04/02/2024] [Indexed: 04/08/2024]
Abstract
Posttranslational modifications in fibrinogen resulting from induced oxidation or oxidative stress in the organism can have deleterious influence on optimal functioning of fibrinogen, causing a disturbance in assembly and properties of fibrin. The protective mechanism supporting the ability of fibrinogen to function in ROS-generating environment remains completely unexplored. The effects of very low and moderately low HOCl/-OCl concentrations on fibrinogen oxidative modifications, the fibrin network structure as well as the kinetics of both fibrinogen-to-fibrin conversion and fibrin hydrolysis have been explored in the current study. As opposed to 25 Μm, HOCl/-OCl, 10 μM HOCl/-OCl did not affect the functional activity of fibrinogen. It is shown for the first time that a number of Met residues, AαMet476, AαMet517, AαMet584, BβMet367, γMet264, and γMet94, identified in 10 μM HOCl/-OCl fibrinogen by the HPLC-MS/MS method, operate as ROS scavengers, performing an important antioxidant function. In turn, this indicates that the fibrinogen structure is adapted to the detrimental action of ROS. The results obtained in our study provide evidence for a protective mechanism responsible for maintaining the structure and functioning of fibrinogen molecules in the bloodstream under conditions of mild and moderate oxidative stress.
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Affiliation(s)
- L V Yurina
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Russia.
| | - A D Vasilyeva
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Russia
| | - E S Gavrilina
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Russia
| | - V S Ivanov
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Russia
| | - S I Obydennyi
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology of Ministry of Healthcare of the Russian Federation, Russia; Centre for Theoretical Problems of Physicochemical Pharmacology, Russia
| | - I A Chabin
- Dmitry Rogachev National Medical Research Center of Pediatric Hematology, Oncology and Immunology of Ministry of Healthcare of the Russian Federation, Russia; Sechenov First Moscow State Medical University (Sechenov University), Russia
| | - M I Indeykina
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Russia; Center for Molecular and Cellular Biology, Skolkovo Institute of Science and Technology, Moscow, Russia
| | - A S Kononikhin
- Center for Molecular and Cellular Biology, Skolkovo Institute of Science and Technology, Moscow, Russia
| | - E N Nikolaev
- Center for Molecular and Cellular Biology, Skolkovo Institute of Science and Technology, Moscow, Russia.
| | - M A Rosenfeld
- N.M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Russia
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2
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Wybranowski T, Ziomkowska B, Cyrankiewicz M, Pyskir J, Bosek M, Napiórkowska M, Pilaczyńska-Cemel M, Przybylski G, Kruszewski S. Time-Resolved Fluorescence Spectroscopy of Blood, Plasma and Albumin as a Potential Diagnostic Tool for Acute Inflammation in COVID-19 Pneumonia Patients. Int J Mol Sci 2023; 24:14703. [PMID: 37834149 PMCID: PMC10572581 DOI: 10.3390/ijms241914703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 09/11/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023] Open
Abstract
Fluorescence lifetime measurements of blood or plasma offer valuable insights into the microenvironment and molecular interactions of fluorophores, particularly concerning albumin. Neutrophil- and hypoxia-induced oxidative stress in COVID-19 pneumonia patients leads to hyperinflammation, various oxidative modifications of blood proteins, and potential alterations in the fluorescence lifetime of tryptophan-containing proteins, especially albumin. The objective of this study was to investigate the efficacy of time-resolved fluorescence spectroscopy of blood and plasma as a prompt diagnostic tool for the early diagnosis and severity assessment of COVID-19-associated pneumonia. This study examined a cohort of sixty COVID-19 patients with respiratory symptoms. To investigate whether oxidative stress is the underlying cause of the change in fluorescence lifetime, human serum albumin was treated with chloramine T. The time-resolved spectrometer Life Spec II (Edinburgh Instruments Ltd., Livingston, UK), equipped with a sub-nanosecond pulsed 280 nm diode, was used to measure the fluorescence lifetime of blood and plasma. The findings revealed a significant reduction in the fluorescence lifetime of blood (diluted 200 times) and plasma (diluted 20 times) at 360 nm in COVID-19 pneumonia patients compared with their respective values recorded six months post-infection and those of healthy individuals. Significant negative correlations were observed between the mean fluorescence lifetime of blood and plasma at 360 nm and several severity biomarkers and advanced oxidation protein products, while a positive correlation was found with albumin and the albumin-globulin ratio. The time-resolved fluorescence spectroscopy method demonstrates the potential to be used as a preliminary screening technique for identifying patients who are at risk of developing severe complications. Furthermore, the small amount of blood required for the measurements has the potential to enable a rapid fingerstick blood test.
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Affiliation(s)
- Tomasz Wybranowski
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (T.W.); (B.Z.); (M.B.); (M.N.); (S.K.)
| | - Blanka Ziomkowska
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (T.W.); (B.Z.); (M.B.); (M.N.); (S.K.)
| | - Michał Cyrankiewicz
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (T.W.); (B.Z.); (M.B.); (M.N.); (S.K.)
| | - Jerzy Pyskir
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (T.W.); (B.Z.); (M.B.); (M.N.); (S.K.)
| | - Maciej Bosek
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (T.W.); (B.Z.); (M.B.); (M.N.); (S.K.)
| | - Marta Napiórkowska
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (T.W.); (B.Z.); (M.B.); (M.N.); (S.K.)
| | - Marta Pilaczyńska-Cemel
- Department of Lung Diseases, Neoplasms and Tuberculosis, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (M.P.-C.); (G.P.)
| | - Grzegorz Przybylski
- Department of Lung Diseases, Neoplasms and Tuberculosis, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (M.P.-C.); (G.P.)
| | - Stefan Kruszewski
- Department of Biophysics, Faculty of Pharmacy, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85-067 Bydgoszcz, Poland; (T.W.); (B.Z.); (M.B.); (M.N.); (S.K.)
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3
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Rosenfeld MA, Yurina LV, Vasilyeva AD. Antioxidant role of methionine-containing intra- and extracellular proteins. Biophys Rev 2023; 15:367-383. [PMID: 37396452 PMCID: PMC10310685 DOI: 10.1007/s12551-023-01056-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 03/24/2023] [Indexed: 07/04/2023] Open
Abstract
Significant evidence suggests that reversible oxidation of methionine residues provides a mechanism capable of scavenging reactive species, thus creating a cycle with catalytic efficiency to counteract or mitigate deleterious effects of ROS on other functionally important amino acid residues. Because of the absence of MSRs in the blood plasma, oxidation of methionines in extracellular proteins is effectively irreversible and, therefore, the ability of methionines to serve as interceptors of oxidant molecules without impairment of the structure and function of plasma proteins is still debatable. This review presents data on the oxidative modification of both intracellular and extracellular proteins that differ drastically in their spatial structures and functions indicating that the proteins contain antioxidant methionines/the oxidation of which does not affect (or has a minor effect) on their functional properties. The functional consequences of methionine oxidation in proteins have been mainly identified from studies in vitro and, to a very limited extent, in vivo. Hence, much of the functioning of plasma proteins constantly subjected to oxidative stress remains unclear and requires further research to understand the evolutionary role of methionine oxidation in proteins for the maintenance of homeostasis and risk factors affecting the development of ROS-related pathologies. Data presented in this review contribute to increased evidence of antioxidant role of surface-exposed methionines and can be useful for understanding a possible mechanism that supports or impairs structure-function relationships of proteins subjected to oxidative stress.
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Affiliation(s)
- Mark A. Rosenfeld
- N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, 119334 Russia
| | - Lyubov V. Yurina
- N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, 119334 Russia
| | - Alexandra D. Vasilyeva
- N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, 119334 Russia
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4
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The effect of hypochlorite- and peroxide-induced oxidation of plasminogen on damage to the structure and biological activity. Int J Biol Macromol 2022; 206:64-73. [DOI: 10.1016/j.ijbiomac.2022.02.128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 02/20/2022] [Accepted: 02/21/2022] [Indexed: 11/18/2022]
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5
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Arnhold J, Malle E. Halogenation Activity of Mammalian Heme Peroxidases. Antioxidants (Basel) 2022; 11:antiox11050890. [PMID: 35624754 PMCID: PMC9138014 DOI: 10.3390/antiox11050890] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 12/10/2022] Open
Abstract
Mammalian heme peroxidases are fascinating due to their unique peculiarity of oxidizing (pseudo)halides under physiologically relevant conditions. These proteins are able either to incorporate oxidized halides into substrates adjacent to the active site or to generate different oxidized (pseudo)halogenated species, which can take part in multiple (pseudo)halogenation and oxidation reactions with cell and tissue constituents. The present article reviews basic biochemical and redox mechanisms of (pseudo)halogenation activity as well as the physiological role of heme peroxidases. Thyroid peroxidase and peroxidasin are key enzymes for thyroid hormone synthesis and the formation of functional cross-links in collagen IV during basement membrane formation. Special attention is directed to the properties, enzymatic mechanisms, and resulting (pseudo)halogenated products of the immunologically relevant proteins such as myeloperoxidase, eosinophil peroxidase, and lactoperoxidase. The potential role of the (pseudo)halogenated products (hypochlorous acid, hypobromous acid, hypothiocyanite, and cyanate) of these three heme peroxidases is further discussed.
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Affiliation(s)
- Jürgen Arnhold
- Medical Faculty, Institute of Medical Physics and Biophysics, Leipzig University, 04107 Leipzig, Germany
- Correspondence: (J.A.); or (E.M.)
| | - Ernst Malle
- Gottfried Schatz Research Center, Division of Molecular Biology and Biochemistry, Medical University of Graz, 8010 Graz, Austria
- Correspondence: (J.A.); or (E.M.)
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6
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Valadez-Cosmes P, Raftopoulou S, Mihalic ZN, Marsche G, Kargl J. Myeloperoxidase: Growing importance in cancer pathogenesis and potential drug target. Pharmacol Ther 2021; 236:108052. [PMID: 34890688 DOI: 10.1016/j.pharmthera.2021.108052] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 11/24/2021] [Accepted: 12/02/2021] [Indexed: 02/07/2023]
Abstract
Myeloperoxidase is a heme-peroxidase which makes up approximately 5% of the total dry cell weight of neutrophils where it is predominantly found in the primary (azurophilic) granules. Other cell types, such as monocytes and certain macrophage subpopulations also contain myeloperoxidase, but to a much lesser extent. Initially, the function of myeloperoxidase had been mainly associated with its ability as a catalyzer of reactive oxidants that help to clear pathogens. However, over the past years non-canonical functions of myeloperoxidase have been described both in health and disease. Attention has been specially focused on inflammatory diseases, in which an exacerbate infiltration of leukocytes can favor a poorly-controlled production and release of myeloperoxidase and its oxidants. There is compelling evidence that myeloperoxidase derived oxidants contribute to tissue damage and the development and propagation of acute and chronic vascular inflammation. Recently, neutrophils have attracted much attention within the large diversity of innate immune cells that are part of the tumor microenvironment. In particular, neutrophil-derived myeloperoxidase may play an important role in cancer development and progression. This review article aims to provide a comprehensive overview of the roles of myeloperoxidase in the development and progression of cancer. We propose future research approaches and explore prospects of inhibiting myeloperoxidase as a strategy to fight against cancer.
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Affiliation(s)
- Paulina Valadez-Cosmes
- Otto Loewi Research Center, Division of Pharmacology, Medical University of Graz, Graz, Austria
| | - Sofia Raftopoulou
- Otto Loewi Research Center, Division of Pharmacology, Medical University of Graz, Graz, Austria
| | - Zala Nikita Mihalic
- Otto Loewi Research Center, Division of Pharmacology, Medical University of Graz, Graz, Austria
| | - Gunther Marsche
- Otto Loewi Research Center, Division of Pharmacology, Medical University of Graz, Graz, Austria
| | - Julia Kargl
- Otto Loewi Research Center, Division of Pharmacology, Medical University of Graz, Graz, Austria.
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7
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Ramachandran TS, Gunasekaran S, Murugan Sreedevi S, Vinod SM, Rajendran K, Perumal T, Amer M. A, P.-S. G. Comparative studies on biophysical interactions between 4-dicyanomethylene-2,6-dimethyl-4H-pyran (DDP) with bovine serum albumin (BSA) and human serum albumin (HSA) via photophysical approaches and molecular docking techniques. JOURNAL OF SAUDI CHEMICAL SOCIETY 2021. [DOI: 10.1016/j.jscs.2021.101364] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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8
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Arnhold J. Heme Peroxidases at Unperturbed and Inflamed Mucous Surfaces. Antioxidants (Basel) 2021; 10:antiox10111805. [PMID: 34829676 PMCID: PMC8614983 DOI: 10.3390/antiox10111805] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/09/2021] [Accepted: 11/10/2021] [Indexed: 01/15/2023] Open
Abstract
In our organism, mucous surfaces are important boundaries against the environmental milieu with defined fluxes of metabolites through these surfaces and specific rules for defense reactions. Major mucous surfaces are formed by epithelia of the respiratory system and the digestive tract. The heme peroxidases lactoperoxidase (LPO), myeloperoxidase (MPO), and eosinophil peroxidase (EPO) contribute to immune protection at epithelial surfaces and in secretions. Whereas LPO is secreted from epithelial cells and maintains microbes in surface linings on low level, MPO and EPO are released from recruited neutrophils and eosinophils, respectively, at inflamed mucous surfaces. Activated heme peroxidases are able to oxidize (pseudo)halides to hypohalous acids and hypothiocyanite. These products are involved in the defense against pathogens, but can also contribute to cell and tissue damage under pathological conditions. This review highlights the beneficial and harmful functions of LPO, MPO, and EPO at unperturbed and inflamed mucous surfaces. Among the disorders, special attention is directed to cystic fibrosis and allergic reactions.
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Affiliation(s)
- Jürgen Arnhold
- Medical Faculty, Institute of Medical Physics and Biophysics, Leipzig University, 04107 Leipzig, Germany
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9
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Sakurama K, Nishi K, Chuang VTG, Hashimoto M, Yamasaki K, Otagiri M. Effects of Oxidation of Human Serum Albumin on the Binding of Aripiprazole. Biol Pharm Bull 2021; 43:1023-1026. [PMID: 32475912 DOI: 10.1248/bpb.b20-00205] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Aripiprazole (ARP) is one of antipsychotics and binds to human serum albumin (HSA) with a high affinity. In this study, we investigated the binding characteristics of ARP to oxidized HSA as observed in chronic disease conditions. Oxidized HSAs were prepared using chloramine-T (CT-HSA) or metal-catalyzed oxidation system (MCO-HSA) in vitro, respectively. An increase in the carbonyl content was confirmed in oxidized HSAs. From the results of circular dichroism (CD) and tryptophan fluorescence spectra, no significant structural change of oxidized HSAs was observed. These results indicate that prepared HSAs are mildly oxidized and well reflects the status of HSA during chronic diseases. However, oxidized HSAs were observed to have a significant decrease in binding to ARP. The results of the induced CD spectrum suggested that ARP bound to oxidized HSAs with a similar orientation. These results suggest that oxidation of HSA during chronic disease state significantly affected the microenvironment of the binding site for ARP and binding capacity of HSA to ARP.
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Affiliation(s)
| | - Koji Nishi
- Faculty of Pharmaceutical Sciences, Sojo Univerity
| | | | | | - Keishi Yamasaki
- Faculty of Pharmaceutical Sciences, Sojo Univerity.,DDS Research Institute, Sojo University
| | - Masaki Otagiri
- Faculty of Pharmaceutical Sciences, Sojo Univerity.,DDS Research Institute, Sojo University
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10
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Arnhold J. The Dual Role of Myeloperoxidase in Immune Response. Int J Mol Sci 2020; 21:E8057. [PMID: 33137905 PMCID: PMC7663354 DOI: 10.3390/ijms21218057] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 10/25/2020] [Accepted: 10/28/2020] [Indexed: 12/14/2022] Open
Abstract
The heme protein myeloperoxidase (MPO) is a major constituent of neutrophils. As a key mediator of the innate immune system, neutrophils are rapidly recruited to inflammatory sites, where they recognize, phagocytose, and inactivate foreign microorganisms. In the newly formed phagosomes, MPO is involved in the creation and maintenance of an alkaline milieu, which is optimal in combatting microbes. Myeloperoxidase is also a key component in neutrophil extracellular traps. These helpful properties are contrasted by the release of MPO and other neutrophil constituents from necrotic cells or as a result of frustrated phagocytosis. Although MPO is inactivated by the plasma protein ceruloplasmin, it can interact with negatively charged components of serum and the extracellular matrix. In cardiovascular diseases and many other disease scenarios, active MPO and MPO-modified targets are present in atherosclerotic lesions and other disease-specific locations. This implies an involvement of neutrophils, MPO, and other neutrophil products in pathogenesis mechanisms. This review critically reflects on the beneficial and harmful functions of MPO against the background of immune response.
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Affiliation(s)
- Jürgen Arnhold
- Institute of Medical Physics and Biophysics, Medical Faculty, Leipzig University, 04 107 Leipzig, Germany
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11
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Vlasova II, Sokolov AV, Kostevich VA, Mikhalchik EV, Vasilyev VB. Myeloperoxidase-Induced Oxidation of Albumin and Ceruloplasmin: Role of Tyrosines. BIOCHEMISTRY (MOSCOW) 2019; 84:652-662. [DOI: 10.1134/s0006297919060087] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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12
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Maciążek-Jurczyk M, Szkudlarek A, Chudzik M, Pożycka J, Sułkowska A. Alteration of human serum albumin binding properties induced by modifications: A review. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 188:675-683. [PMID: 28526195 DOI: 10.1016/j.saa.2017.05.023] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 04/23/2017] [Accepted: 05/09/2017] [Indexed: 06/07/2023]
Abstract
Albumin, a major transporting protein in the blood, is the main target of modification that affects the binding of drugs to Sudlow's site I and II. These modification of serum protein moderates its physiological function, and works as a biomarker of some diseases. The main goal of the paper was to explain the possible alteration of human serum albumin binding properties induced by modifications such as glycation, oxidation and ageing, their origin, methods of evaluation and positive and negative meaning described by significant researchers.
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Affiliation(s)
- Małgorzata Maciążek-Jurczyk
- School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, Chair and Department of Physical Pharmacy, Jagiellońska 4, 41-200 Sosnowiec, Poland.
| | - Agnieszka Szkudlarek
- School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, Chair and Department of Physical Pharmacy, Jagiellońska 4, 41-200 Sosnowiec, Poland
| | - Mariola Chudzik
- School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, Chair and Department of Physical Pharmacy, Jagiellońska 4, 41-200 Sosnowiec, Poland
| | - Jadwiga Pożycka
- School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia, Chair and Department of Physical Pharmacy, Jagiellońska 4, 41-200 Sosnowiec, Poland
| | - Anna Sułkowska
- Silesian Medical College in Katowice, Mickiewicza 29, 40-085 Katowice, Poland
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13
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Rosenfeld MA, Vasilyeva AD, Yurina LV, Bychkova AV. Oxidation of proteins: is it a programmed process? Free Radic Res 2017; 52:14-38. [DOI: 10.1080/10715762.2017.1402305] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Mark A. Rosenfeld
- N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia
| | - Alexandra D. Vasilyeva
- N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia
| | - Lyubov V. Yurina
- N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia
| | - Anna V. Bychkova
- N. M. Emanuel Institute of Biochemical Physics, Russian Academy of Sciences, Moscow, Russia
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14
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Casaril AM, Ignasiak MT, Chuang CY, Vieira B, Padilha NB, Carroll L, Lenardão EJ, Savegnago L, Davies MJ. Selenium-containing indolyl compounds: Kinetics of reaction with inflammation-associated oxidants and protective effect against oxidation of extracellular matrix proteins. Free Radic Biol Med 2017; 113:395-405. [PMID: 29055824 DOI: 10.1016/j.freeradbiomed.2017.10.344] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 10/14/2017] [Accepted: 10/16/2017] [Indexed: 12/27/2022]
Abstract
Activated white blood cells generate multiple oxidants in response to invading pathogens. Thus, hypochlorous acid (HOCl) is generated via the reaction of myeloperoxidase (from neutrophils and monocytes) with hydrogen peroxide, and peroxynitrous acid (ONOOH), a potent oxidizing and nitrating agent is formed from superoxide radicals and nitric oxide, generated by stimulated macrophages. Excessive or misplaced production of these oxidants has been linked to multiple human pathologies, including cardiovascular disease. Atherosclerosis is characterized by chronic inflammation and the presence of oxidized materials, including extracellular matrix (ECM) proteins, within the artery wall. Here we investigated the potential of selenium-containing indoles to afford protection against these oxidants, by determining rate constants (k) for their reaction, and quantifying the extent of damage on isolated ECM proteins and ECM generated by human coronary artery endothelial cells (HCAECs). The novel selenocompounds examined react with HOCl with k 0.2-1.0 × 108M-1s-1, and ONOOH with k 4.5-8.6 - × 105M-1s-1. Reaction with H2O2 is considerably slower (k < 0.25M-1s-1). The selenocompound 2-phenyl-3-(phenylselanyl)imidazo[1,2-a]pyridine provided protection to human serum albumin (HSA) against HOCl-mediated damage (as assessed by SDS-PAGE) and damage to isolated matrix proteins induced by ONOOH, with a concomitant decrease in the levels of the biomarker 3-nitrotyrosine. Structural damage and generation of 3-nitroTyr on HCAEC-ECM were also reduced. These data demonstrate that the novel selenium-containing compounds show high reactivity with oxidants and may modulate oxidative and nitrosative damage at sites of inflammation, contributing to a reduction in tissue dysfunction and atherogenesis.
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Affiliation(s)
- Angela M Casaril
- Grupo de Pesquisa em Neurobiotecnologia - GPN - Universidade Federal de Pelotas - UFPel, P.O. Box 354, 96010-900 Pelotas, RS, Brazil
| | - Marta T Ignasiak
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark; Faculty of Chemistry, Adam Mickiewicz University, 61-614 Poznan, Poland
| | - Christine Y Chuang
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark
| | - Beatriz Vieira
- Laboratório de Síntese Orgânica Limpa - LASOL - Universidade Federal de Pelotas - UFPel, P.O. Box 354, 96010-900 Pelotas, RS, Brazil
| | - Nathalia B Padilha
- Laboratório de Síntese Orgânica Limpa - LASOL - Universidade Federal de Pelotas - UFPel, P.O. Box 354, 96010-900 Pelotas, RS, Brazil
| | - Luke Carroll
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark
| | - Eder J Lenardão
- Laboratório de Síntese Orgânica Limpa - LASOL - Universidade Federal de Pelotas - UFPel, P.O. Box 354, 96010-900 Pelotas, RS, Brazil
| | - Lucielli Savegnago
- Grupo de Pesquisa em Neurobiotecnologia - GPN - Universidade Federal de Pelotas - UFPel, P.O. Box 354, 96010-900 Pelotas, RS, Brazil
| | - Michael J Davies
- Department of Biomedical Sciences, Panum Institute, University of Copenhagen, Denmark.
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15
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Del Giudice A, Dicko C, Galantini L, Pavel NV. Structural Response of Human Serum Albumin to Oxidation: Biological Buffer to Local Formation of Hypochlorite. J Phys Chem B 2016; 120:12261-12271. [DOI: 10.1021/acs.jpcb.6b08601] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Alessandra Del Giudice
- Department
of Chemistry, Sapienza University of Rome, P. le A. Moro 5, 00185 Rome, Italy
| | - Cedric Dicko
- Department
of Chemistry, Division for Pure and Applied Biochemistry, Lund University, Naturvetarvägen 14, 2241 Lund, Sweden
| | - Luciano Galantini
- Department
of Chemistry, Sapienza University of Rome, P. le A. Moro 5, 00185 Rome, Italy
| | - Nicolae V. Pavel
- Department
of Chemistry, Sapienza University of Rome, P. le A. Moro 5, 00185 Rome, Italy
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16
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Mikhalchik EV, Budkevich LI, Piterskaya YA, Penkov LY, Astamirova TS, Smolina NV, Vakhrusheva TV, Panasenko OM. [The role of neutrophil myeloperoxidase in the development of inflammation after thermal skin burns]. BIOMEDIT︠S︡INSKAI︠A︡ KHIMII︠A︡ 2016; 62:584-587. [PMID: 27797335 DOI: 10.18097/pbmc20166205584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In the blood of children (n=16) with large thermal skin burns (> 20% of total body surface), luminol-dependent chemiluminescence (CL) of neutrophils stimulated with phorbol-12-myristate-13-acetate (PMA) and myeloperoxidase (MPO) activity in neutrophils and plasma were assayed in the early period (1-7 post-burn days). PMA-stimulated neutrophils in thermally injured patients produced higher CL than those in a reference group of healthy children (n=24), p<0.01. MPO activity was elevated in neutrophils and plasma in 40% and 57% of patients' blood samples, respectively. The albumin fraction isolated from plasma of burned patients enhanced the PMA-stimulated CL response of blood samples from healthy volunteer. Our results suggest that the acute inflammatory response induced by thermal injury involves activation of neutrophils and is accompanied by MPO release into the plasma. MPO-mediated modification of serum albumin induces its capacity to prime neutrophils and thus to enhance further inflammatory reaction.
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Affiliation(s)
- E V Mikhalchik
- Federal Scientific Clinical Centre of Physical Chemical Medicine, Moscow, Russia
| | - L I Budkevich
- Speransky Pediatric Clinical Hospital No.9, Moscow, Russia
| | | | - L Yu Penkov
- Speransky Pediatric Clinical Hospital No.9, Moscow, Russia
| | - T S Astamirova
- Speransky Pediatric Clinical Hospital No.9, Moscow, Russia
| | - N V Smolina
- Federal Scientific Clinical Centre of Physical Chemical Medicine, Moscow, Russia
| | - T V Vakhrusheva
- Federal Scientific Clinical Centre of Physical Chemical Medicine, Moscow, Russia
| | - O M Panasenko
- Federal Scientific Clinical Centre of Physical Chemical Medicine, Moscow, Russia
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17
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Abstract
Leakage of the blood-brain barrier (BBB) is a common pathological feature in multiple sclerosis (MS). Following a breach of the BBB, albumin, the most abundant protein in plasma, gains access to CNS tissue where it is exposed to an inflammatory milieu and tissue damage, e.g., demyelination. Once in the CNS, albumin can participate in protective mechanisms. For example, due to its high concentration and molecular properties, albumin becomes a target for oxidation and nitration reactions. Furthermore, albumin binds metals and heme thereby limiting their ability to produce reactive oxygen and reactive nitrogen species. Albumin also has the potential to worsen disease. Similar to pathogenic processes that occur during epilepsy, extravasated albumin could induce the expression of proinflammatory cytokines and affect the ability of astrocytes to maintain potassium homeostasis thereby possibly making neurons more vulnerable to glutamate exicitotoxicity, which is thought to be a pathogenic mechanism in MS. The albumin quotient, albumin in cerebrospinal fluid (CSF)/albumin in serum, is used as a measure of blood-CSF barrier dysfunction in MS, but it may be inaccurate since albumin levels in the CSF can be influenced by multiple factors including: 1) albumin becomes proteolytically cleaved during disease, 2) extravasated albumin is taken up by macrophages, microglia, and astrocytes, and 3) the location of BBB damage affects the entry of extravasated albumin into ventricular CSF. A discussion of the roles that albumin performs during MS is put forth.
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Affiliation(s)
- Steven M LeVine
- Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, KS, USA.
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18
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Flemmig J, Gau J, Schlorke D, Arnhold J. Lactoperoxidase as a potential drug target. Expert Opin Ther Targets 2015; 20:447-61. [DOI: 10.1517/14728222.2016.1112378] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jörg Flemmig
- Institute for Medical Physics and Biophysics, Medical Faculty, University of Leipzig, Härtelstraße 16 – 18, 04107 Leipzig, Germany
- Translational Centre for Regenerative Medicine (TRM) Leipzig, University of Leipzig, Leipzig, Germany
| | - Jana Gau
- Institute for Medical Physics and Biophysics, Medical Faculty, University of Leipzig, Härtelstraße 16 – 18, 04107 Leipzig, Germany
| | - Denise Schlorke
- Institute for Medical Physics and Biophysics, Medical Faculty, University of Leipzig, Härtelstraße 16 – 18, 04107 Leipzig, Germany
- Translational Centre for Regenerative Medicine (TRM) Leipzig, University of Leipzig, Leipzig, Germany
| | - Jürgen Arnhold
- Institute for Medical Physics and Biophysics, Medical Faculty, University of Leipzig, Härtelstraße 16 – 18, 04107 Leipzig, Germany
- Translational Centre for Regenerative Medicine (TRM) Leipzig, University of Leipzig, Leipzig, Germany
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19
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Howell SC, Richards DH, Mitch WA, Wilson CJ. Leveraging the Mechanism of Oxidative Decay for Adenylate Kinase to Design Structural and Functional Resistances. ACS Chem Biol 2015; 10:2393-404. [PMID: 26266833 DOI: 10.1021/acschembio.5b00431] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Characterization of the mechanisms underlying hypohalous acid (i.e., hypochlorous acid or hypobromous acid) degradation of proteins is important for understanding how the immune system deactivates pathogens during infections and damages human tissues during inflammatory diseases. Proteins are particularly important hypohalous acid reaction targets in pathogens and in host tissues, as evidenced by the detection of chlorinated and brominated oxidizable residues. While a significant amount of work has been conducted for reactions of hypohalous acids with a range of individual amino acids and small peptides, the assessment of oxidative decay in full-length proteins has lagged in comparison. The most rigorous test of our understanding of oxidative decay of proteins is the rational redesign of proteins with conferred resistances to the decay of structure and function. Toward this end, in this study, we experimentally determined a putative mechanism of oxidative decay using adenylate kinase as the model system. In turn, we leveraged this mechanism to rationally design new proteins and experimentally test each system for oxidative resistance to loss of structure and function. From our extensive assessment of secondary structure, protein hydrodynamics, and enzyme activity upon hypochlorous acid or hypobromous acid challenge, we have identified two key strategies for conferring structural and functional resistance, namely, the design of proteins (adenylate kinase enzymes) that are resistant to oxidation requires complementary consideration of protein stability and the modification (elimination) of certain oxidizable residues proximal to catalytic sites.
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Affiliation(s)
| | | | - William A. Mitch
- Department
of Civil and Environmental Engineering, Stanford University, Stanford, California 94305, United States
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20
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Zschaler J, Dorow J, Schöpe L, Ceglarek U, Arnhold J. Impact of myeloperoxidase-derived oxidants on the product profile of human 5-lipoxygenase. Free Radic Biol Med 2015; 85:148-56. [PMID: 25912480 DOI: 10.1016/j.freeradbiomed.2015.04.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2015] [Revised: 04/12/2015] [Accepted: 04/13/2015] [Indexed: 12/18/2022]
Abstract
Human 5-lipoxygenase (5-LOX) oxidizes arachidonic acid to 5S-hydroperoxy-6 E,8 Z,11 Z,14 Z-eicosatetraenoic acid (5-HpETE) and leukotriene (LT) A4. In neutrophils, LTA4 is further converted to the potent chemoattractant LTB4. These cells also contain the heme enzyme myeloperoxidase (MPO), which produces several potent oxidants such as hypochlorous acid (HOCl), which are involved in pathogen defense and immune regulation. Here, we addressed the question whether MPO-derived oxidants are able to affect the activity of 5-LOX and the product profile of this enzyme. Human 5-LOX was incubated with increasing amounts of HOCl or HOBr. Afterward, arachidonic acid metabolites of 5-LOX were analyzed by reverse-phase high-performance liquid chromatography as well as by liquid chromatography-electrospray ionization-tandem mass spectrometry. The incubation of 5-LOX with the MPO-derived oxidants significantly changed the product profile of 5-LOX. Thereby, HOCl and HOBr increased the ratio of 5-H(p)ETE to 6-trans-LTB4 in a concentration-dependent manner. At low oxidant concentrations, there was a strong decrease in the yield of 6-trans-LTB4, whereas 5-HpETE did not change or increased. Additionally, the formation of 8-HpETE and 12-HpETE by 5-LOX rose slightly with increasing HOCl and HOBr. Comparable results were obtained with the MPO-H2O2-Cl(-) system when glucose oxidase and glucose were applied as a source of H2O2. This was necessary because of a strong impairment of 5-LOX activity by H2O2. In summary, MPO-derived oxidants showed a considerable impact on 5-LOX, impairing the epoxidation of 5-HpETE, whereas the hydroperoxidation of arachidonic acid was unaffected. Apparently, this was caused by an oxidative modification of critical amino acid residues of 5-LOX. Further work is necessary to assess the specific type and position of oxidation in the substrate-binding cavity of 5-LOX and to specify whether this interaction between 5-LOX and MPO-derived oxidants also takes place in stimulated neutrophils.
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Affiliation(s)
- Josefin Zschaler
- Institute for Medical Physics and Biophysics, Medical Faculty, Leipzig University, Leipzig, Germany; Translational Center for Regenerative Medicine Leipzig, Leipzig University, Leipzig, Germany.
| | - Juliane Dorow
- Institute of Laboratory Medicine, Clinical Chemistry, and Molecular Diagnostics, University Hospital Leipzig, Leipzig, Germany; LIFE-Leipzig Research Center for Civilization Diseases, Universität Leipzig, Leipzig, Germany
| | - Louisa Schöpe
- Institute for Medical Physics and Biophysics, Medical Faculty, Leipzig University, Leipzig, Germany
| | - Uta Ceglarek
- Institute of Laboratory Medicine, Clinical Chemistry, and Molecular Diagnostics, University Hospital Leipzig, Leipzig, Germany; LIFE-Leipzig Research Center for Civilization Diseases, Universität Leipzig, Leipzig, Germany
| | - Jürgen Arnhold
- Institute for Medical Physics and Biophysics, Medical Faculty, Leipzig University, Leipzig, Germany; Translational Center for Regenerative Medicine Leipzig, Leipzig University, Leipzig, Germany
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21
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Bonifay V, Barrett TJ, Pattison DI, Davies MJ, Hawkins CL, Ashby MT. Tryptophan oxidation in proteins exposed to thiocyanate-derived oxidants. Arch Biochem Biophys 2014; 564:1-11. [PMID: 25172223 DOI: 10.1016/j.abb.2014.08.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2014] [Revised: 08/02/2014] [Accepted: 08/18/2014] [Indexed: 01/15/2023]
Abstract
Human defensive peroxidases, including lactoperoxidase (LPO) and myeloperoxidase (MPO), are capable of catalyzing the oxidation of halides (X(-)) by H2O2 to give hypohalous acids (HOX) for the purpose of cellular defense. Substrate selectivity depends upon the relative abundance of the halides, but the pseudo-halide thiocyanate (SCN(-)) is a major substrate, and sometimes the exclusive substrate, of all defensive peroxidases in most physiologic fluids. The resulting hypothiocyanous acid (HOSCN) has been implicated in cellular damage via thiol oxidation. While thiols are believed to be the primary target of HOSCN in vivo, Trp residues have also been implicated as targets for HOSCN. However, the mechanism involved in HOSCN-mediated Trp oxidation was not established. Trp residues in proteins appeared to be susceptible to oxidation by HOSCN, whereas free Trp and Trp residues in small peptides were found to be unreactive. We show that HOSCN-induced Trp oxidation is dependent on pH, with oxidation of free Trp, and Trp-containing peptides observed when the pH is below 2. These conditions mimic those employed previously to precipitate proteins after treatment with HOSCN, which accounts for the discrepancy in the results reported for proteins versus free Trp and small peptides. The reactant in these cases may be thiocyanogen ((SCN)2), which is produced by comproportionation of HOSCN and SCN(-) at low pH. Reaction of thiocyanate-derived oxidants with protein Trp residues at low pH results in the formation of a number of oxidation products, including mono- and di-oxygenated derivatives, which are also formed with other hypohalous acids. Our data suggest that significant modification of Trp by HOSCN in vivo is likely to have limited biological relevance.
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Affiliation(s)
- Vincent Bonifay
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, OK 73019, USA
| | - Tessa J Barrett
- Heart Research Institute, 7 Eliza St, Newtown, NSW 2042, Australia; Sydney Medical School, University of Sydney, Sydney, NSW 2006, Australia
| | - David I Pattison
- Heart Research Institute, 7 Eliza St, Newtown, NSW 2042, Australia; Sydney Medical School, University of Sydney, Sydney, NSW 2006, Australia
| | - Michael J Davies
- Heart Research Institute, 7 Eliza St, Newtown, NSW 2042, Australia; Sydney Medical School, University of Sydney, Sydney, NSW 2006, Australia
| | - Clare L Hawkins
- Heart Research Institute, 7 Eliza St, Newtown, NSW 2042, Australia; Sydney Medical School, University of Sydney, Sydney, NSW 2006, Australia
| | - Michael T Ashby
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, OK 73019, USA.
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22
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Storkey C, Davies MJ, Pattison DI. Reevaluation of the rate constants for the reaction of hypochlorous acid (HOCl) with cysteine, methionine, and peptide derivatives using a new competition kinetic approach. Free Radic Biol Med 2014; 73:60-6. [PMID: 24794410 DOI: 10.1016/j.freeradbiomed.2014.04.024] [Citation(s) in RCA: 109] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Revised: 04/09/2014] [Accepted: 04/23/2014] [Indexed: 01/10/2023]
Abstract
Activated white cells use oxidants generated by the heme enzyme myeloperoxidase to kill invading pathogens. This enzyme utilizes H2O2 and Cl(-), Br(-), or SCN(-) to generate the oxidants HOCl, HOBr, and HOSCN, respectively. Whereas controlled production of these species is vital in maintaining good health, their uncontrolled or inappropriate formation (as occurs at sites of inflammation) can cause host tissue damage that has been associated with multiple inflammatory pathologies including cardiovascular diseases and cancer. Previous studies have reported that sulfur-containing species are major targets for HOCl but as the reactions are fast the only physiologically relevant kinetic data available have been extrapolated from data measured at high pH (>10). In this study these values have been determined at pH 7.4 using a newly developed competition kinetic approach that employs a fluorescently tagged methionine derivative as the competitive substrate (k(HOCl + Fmoc-Met), 1.5 × 10(8)M(-1)s(-1)). This assay was validated using the known k(HOCl + NADH) value and has allowed revised k values for the reactions of HOCl with Cys, N-acetylcysteine, and glutathione to be determined as 3.6 × 10(8), 2.9 × 10(7), and 1.24 × 10(8)M(-1)s(-1), respectively. Similar experiments with methionine derivatives yielded k values of 3.4 × 10(7)M(-1)s(-1) for Met and 1.7 × 10(8)M(-1)s(-1) for N-acetylmethionine. The k values determined here for the reaction of HOCl with thiols are up to 10-fold higher than those previously determined and further emphasize the critical importance of reactions of HOCl with thiol targets in biological systems.
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Affiliation(s)
- Corin Storkey
- The Heart Research Institute, Newtown, NSW 2042, Australia; Faculty of Medicine, University of Sydney, Sydney, NSW 2006, Australia
| | - Michael J Davies
- The Heart Research Institute, Newtown, NSW 2042, Australia; Faculty of Medicine, University of Sydney, Sydney, NSW 2006, Australia
| | - David I Pattison
- The Heart Research Institute, Newtown, NSW 2042, Australia; Faculty of Medicine, University of Sydney, Sydney, NSW 2006, Australia.
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23
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Gorudko IV, Grigorieva DV, Shamova EV, Kostevich VA, Sokolov AV, Mikhalchik EV, Cherenkevich SN, Arnhold J, Panasenko OM. Hypohalous acid-modified human serum albumin induces neutrophil NADPH oxidase activation, degranulation, and shape change. Free Radic Biol Med 2014; 68:326-34. [PMID: 24384524 DOI: 10.1016/j.freeradbiomed.2013.12.023] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2013] [Revised: 12/18/2013] [Accepted: 12/20/2013] [Indexed: 12/14/2022]
Abstract
Halogenated lipids, proteins, and lipoproteins formed in reactions with myeloperoxidase (MPO)-derived hypochlorous acid (HOCl) and hypobromous acid (HOBr) can contribute to the regulation of functional activity of cells and serve as mediators of inflammation. Human serum albumin (HSA) is the major plasma protein target of hypohalous acids. This study was performed to assess the potency of HSA modified by HOCl (HSA-Cl) and HOBr (HSA-Br) to elicit selected neutrophil responses. HSA-Cl/Br were found to induce neutrophil degranulation, generation of reactive oxygen intermediates, shape change, and actin cytoskeleton reorganization. Thus HSA-Cl/Br can initially act as a switch and then as a feeder of the "inflammatory loop" under oxidative stress. In HSA-Cl/Br-treated neutrophils, monoclonal antibodies against CD18, the β subunit of β2 integrins, reduced the production of superoxide anion radicals and hydrogen peroxide as well as MPO exocytosis, suggesting that CD18 contributed to neutrophil activation. HSA-Cl/Br-induced neutrophil responses were also inhibited by genistein, a broad-specificity tyrosine kinase inhibitor, and wortmannin, a phosphoinositide 3-kinase (PI3K) inhibitor, supporting the notion that activation of both tyrosine kinase and PI3K may play a role in neutrophil activation by HSA modified in MPO-dependent reactions. These results confirm the hypothesis that halogenated molecules formed in vivo via MPO-dependent reactions can be considered as a new class of biologically active substances potentially able to contribute to activation of myeloid cells in sites of inflammation and serve as inflammatory response modulators.
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Affiliation(s)
- Irina V Gorudko
- Department of Biophysics, Belarusian State University, Minsk 220050, Belarus.
| | - Daria V Grigorieva
- Department of Biophysics, Belarusian State University, Minsk 220050, Belarus
| | - Ekaterina V Shamova
- Department of Biophysics, Belarusian State University, Minsk 220050, Belarus
| | - Valeria A Kostevich
- Institute of Experimental Medicine, Saint-Petersburg 197376, Russia; Research Institute of Physico-Chemical Medicine, Moscow 119435, Russia
| | - Alexey V Sokolov
- Institute of Experimental Medicine, Saint-Petersburg 197376, Russia; Research Institute of Physico-Chemical Medicine, Moscow 119435, Russia; State University of Saint Petersburg, Saint Petersburg 199000, Russia
| | | | | | - Jürgen Arnhold
- Institute for Medical Physics and Biophysics, Medical Faculty, University of Leipzig, 04107 Leipzig, Germany
| | - Oleg M Panasenko
- Research Institute of Physico-Chemical Medicine, Moscow 119435, Russia
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24
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Gouveia DD, Silva AMN, Vitorino R, Domingues MRM, Domingues P. The efficiency of trypsin digestion for mass-spectrometry-based identification and quantification of oxidized proteins: evaluation of the digestion of oxidized bovine serum albumin. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2014; 20:271-278. [PMID: 24892298 DOI: 10.1255/ejms.1279] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
In bottom-up proteomics approaches, the enzymatic proteolysis step before mass spectrometry (MS) analysis is of crucial importance, as only the efficient digestion of the protein will ensure its accurate quantification. The structural and chemical alterations occurring upon protein oxidation may decrease the efficiency of trypsin digestion, compromising the ensuing MS analysis. Herein, the efficiency of the trypsin digestion of oxidized bovine serum albumin (BSA) was assessed by protein-sequence coverage and the exponentially modified protein abundance index (emPAI) algorithm, allowing a comparison of protein abundance in samples with different levels of oxidation. Despite the extensive oxidation induced to BSA, verified by analysis of protein carbonyls, no significant difference in the yield of tryptic peptides from oxidized samples could be observed by nano-high-performance liquid chromatography (HPLC) and nano-HPLC7-electrospray ionization-MS analysis. After a database search, similar protein-sequence coverage rates were obtained for both treated and control samples. Thus, exponentially modified protein abundance index scores confirmed that, regardless of being oxidized, the same amount of BSA was present in the sodium dodecyl sulfate/polyacrylamide gel electrophoresis bands excised for digestion. The obtained results show that the digestion of the control and oxidized samples were similar, leading to the conclusion that in-gel proteolysis is not a main hindrance for the identification and quantification of oxidized proteins by MS.
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Affiliation(s)
- Duarte D Gouveia
- Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - André M N Silva
- REQUIMTE/Departmento de Química e Bioquimica, Faculdade de Ciências da Universidade do Porto, Rua do Campo Alegre S/N, 4169-007 Porto, Portugal
| | - Rui Vitorino
- Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | | | - Pedro Domingues
- Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
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25
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Mikhalchik EV, Smolina NV, Astamirova TS, Gorudko IV, Grigorieva DV, Ivanov VA, Sokolov AV, Kostevich VA, Cherenkevich SN, Panasenko OM. Human serum albumin modified under oxidative/halogenative stress enhances luminol-dependent chemiluminescence of human neutrophils. Biophysics (Nagoya-shi) 2013. [DOI: 10.1134/s0006350913040118] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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26
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Kubala L, Kolářová H, Víteček J, Kremserová S, Klinke A, Lau D, Chapman ALP, Baldus S, Eiserich JP. The potentiation of myeloperoxidase activity by the glycosaminoglycan-dependent binding of myeloperoxidase to proteins of the extracellular matrix. Biochim Biophys Acta Gen Subj 2013; 1830:4524-36. [PMID: 23707661 DOI: 10.1016/j.bbagen.2013.05.024] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2012] [Revised: 04/09/2013] [Accepted: 05/17/2013] [Indexed: 01/15/2023]
Abstract
BACKGROUND Myeloperoxidase (MPO) is an abundant hemoprotein expressed by neutrophil granulocytes that is recognized to play an important role in the development of vascular diseases. Upon degranulation from circulating neutrophil granulocytes, MPO binds to the surface of endothelial cells in an electrostatic-dependent manner and undergoes transcytotic migration to the underlying extracellular matrix (ECM). However, the mechanisms governing the binding of MPO to subendothelial ECM proteins, and whether this binding modulates its enzymatic functions are not well understood. METHODS We investigated MPO binding to ECM derived from aortic endothelial cells, aortic smooth muscle cells, and fibroblasts, and to purified ECM proteins, and the modulation of these associations by glycosaminoglycans. The oxidizing and chlorinating potential of MPO upon binding to ECM proteins was tested. RESULTS MPO binds to the ECM proteins collagen IV and fibronectin, and this association is enhanced by the pre-incubation of these proteins with glycosaminoglycans. Correspondingly, an excess of glycosaminoglycans in solution during incubation inhibits the binding of MPO to collagen IV and fibronectin. These observations were confirmed with cell-derived ECM. The oxidizing and chlorinating potential of MPO was preserved upon binding to collagen IV and fibronectin; even the potentiation of MPO activity in the presence of collagen IV and fibronectin was observed. CONCLUSIONS Collectively, the data reveal that MPO binds to ECM proteins on the basis of electrostatic interactions, and MPO chlorinating and oxidizing activity is potentiated upon association with these proteins. GENERAL SIGNIFICANCE Our findings provide new insights into the molecular mechanisms underlying the interaction of MPO with ECM proteins.
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Affiliation(s)
- Lukáš Kubala
- Institute of Biophysics, Academy of Sciences of the Czech Republic, Brno, Czech Republic.
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27
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Anraku M, Chuang VTG, Maruyama T, Otagiri M. Redox properties of serum albumin. Biochim Biophys Acta Gen Subj 2013; 1830:5465-72. [PMID: 23644037 DOI: 10.1016/j.bbagen.2013.04.036] [Citation(s) in RCA: 153] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Revised: 04/24/2013] [Accepted: 04/29/2013] [Indexed: 12/21/2022]
Abstract
BACKGROUND Oxidative damage results in protein modification, and is observed in numerous diseases. Human serum albumin (HSA), the most abundant circulating protein in the plasma, exerts important antioxidant activities against oxidative damage. SCOPE OF REVIEW The present review focuses on the characterization of chemical changes in HSA that are induced by oxidative damage, their relevance to human pathology and the most recent advances in clinical applications. MAJOR CONCLUSIONS The antioxidant properties of HSA are largely dependent on Cys34 and its contribution to the maintenance of intravascular homeostasis, including protecting the vascular endothelium under disease conditions related to oxidative stress. Recent studies also evaluated the susceptibility of other important amino acid residues to free radicals. The findings suggest that a redox change in HSA is related to the oxidation of several amino acid residues by different oxidants. Further, Cys34 adducts, such as S-nitrosylated and S-guanylated forms also play an important role in clinical applications. On the other hand, the ratio of the oxidized form to the normal form of albumin (HMA/HNA), which is a function of the redox states of Cys34, could serve as a useful marker for evaluating systemic redox states, which would be useful for the evaluation of disease progression and therapeutic efficacy. GENERAL SIGNIFICANCE This review provides new insights into our current understanding of the mechanism of HSA oxidation, based on in vitro and in vivo studies. This article is part of a Special Issue entitled Serum Albumin.
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Affiliation(s)
- Makoto Anraku
- Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto 860-0082, Japan
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28
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Bruschi M, Candiano G, Santucci L, Ghiggeri GM. Oxidized albumin. The long way of a protein of uncertain function. Biochim Biophys Acta Gen Subj 2013; 1830:5473-9. [PMID: 23618696 DOI: 10.1016/j.bbagen.2013.04.017] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Revised: 04/11/2013] [Accepted: 04/15/2013] [Indexed: 12/12/2022]
Abstract
BACKGROUND Proteins are extremely reactive to oxidants and should represent a potential target of instable reactive oxygen. This may represent a problem for plasma proteins since they may be directly modified in vivo in a compartment where antioxidant enzymatic systems are scarcely represented. On the other hand, it is possible that some plasma components have evolved over time to guarantee protection, in which case they can be considered as anti-oxidants. SCOPE OF REVIEW To present and discuss main studies which addressed the role of albumin in plasma antioxidant activity mainly utilizing in vitro models of oxidation. To present some advances on structural features of oxidized albumin deriving from studies carried out on in vitro models as well as albumin purified in vivo from patients affected by clinical conditions characterized by oxidative stress. MAJOR CONCLUSIONS There are different interaction with HOCl and chloramines. In the former case, HOCl produces an extensive alteration of (238)Trp and (162)Tyr, (425)Tyr, (47)Tyr, while thiol groups are only partially involved. Chloramines are extremely reactive with the unique free SH group of albumin ((34)Cys) with the formation of sulfenic and sulfinic acid as intermediates and sulfonic acid as end-product. Oxidized albumin has a modified electrical charge for the addition of an acidic residue and presents α-helix and random coil reorganization with subtle changes in domain orientation. GENERAL SIGNIFICANCE Albumin, is the major antioxidants in plasma with a concentration (0.8mM) higher than other antioxidants by an exponential factor. Functional and protective roles in the presence of oxidative stress must be defined. This article is part of a Special Issue entitled Serum Albumin.
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Affiliation(s)
- Maurizio Bruschi
- Laboratory on Pathophysiology of Uremia, Istituto Giannina Gaslini, Genoa, Italy
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Bachi A, Dalle-Donne I, Scaloni A. Redox Proteomics: Chemical Principles, Methodological Approaches and Biological/Biomedical Promises. Chem Rev 2012. [DOI: 10.1021/cr300073p] [Citation(s) in RCA: 189] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Angela Bachi
- Biological Mass Spectrometry Unit, San Raffaele Scientific Institute, 20132 Milan, Italy
| | | | - Andrea Scaloni
- Proteomics & Mass Spectrometry Laboratory, ISPAAM, National Research Council, 80147 Naples, Italy
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Abstract
SIGNIFICANCE S-nitrosothiol formation and protein S-nitrosation is an important nitric oxide (NO)-dependent signaling paradigm that is relevant to almost all aspects of cell biology, from proliferation, to homeostasis, to programmed cell death. However, the mechanisms by which S-nitrosothiols are formed are still largely unknown, and there are gaps of understanding between the known chemical biology of S-nitrosothiols and their reported functions. RECENT ADVANCES This review attempts to describe the biological chemistry of S-nitrosation and to point out where the challenges lie in matching the known chemical biology of these compounds with their reported functions. The review will detail new discoveries concerning the mechanisms of the formation of S-nitrosothiols in biological systems. CRITICAL ISSUES Although S-nitrosothiols may be formed with some degree of specificity on particular protein thiols, through un-catalyzed chemistry, and mechanisms for their degradation and redistribution are present, these processes are not sufficient to explain the vast array of specific and targeted responses of NO that have been attributed to S-nitrosation. Elements of catalysis have been discovered in the formation, distribution, and metabolism of S-nitrosothiols, but it is less clear whether these represent a specific network for targeted NO-dependent signaling. FUTURE DIRECTIONS Much recent work has uncovered new targets for S-nitrosation through either targeted or proteome-wide approaches There is a need to understand which of these modifications represent concerted and targeted signaling processes and which is an inevitable consequence of living with NO. There is still much to be learned about how NO transduces signals in cells and the role played by protein S-nitrosation.
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Affiliation(s)
- Katarzyna A Broniowska
- Department of Biophysics and Redox Biology Program, Medical College of Wisconsin, Milwaukee, 53226, USA
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31
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Iwao Y, Ishima Y, Yamada J, Noguchi T, Kragh-Hansen U, Mera K, Honda D, Suenaga A, Maruyama T, Otagiri M. Quantitative evaluation of the role of cysteine and methionine residues in the antioxidant activity of human serum albumin using recombinant mutants. IUBMB Life 2012; 64:450-4. [DOI: 10.1002/iub.567] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2011] [Accepted: 08/01/2011] [Indexed: 12/14/2022]
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Vlasova II, Sokolov AV, Arnhold J. The free amino acid tyrosine enhances the chlorinating activity of human myeloperoxidase. J Inorg Biochem 2012; 106:76-83. [DOI: 10.1016/j.jinorgbio.2011.09.018] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2011] [Revised: 08/16/2011] [Accepted: 09/11/2011] [Indexed: 10/17/2022]
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Bruschi M, Candiano G, Ciana LD, Petretto A, Santucci L, Prunotto M, Camilla R, Coppo R, Ghiggeri GM. Analysis of the oxido-redox status of plasma proteins. Technology advances for clinical applications. J Chromatogr B Analyt Technol Biomed Life Sci 2011; 879:1338-44. [DOI: 10.1016/j.jchromb.2010.11.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2010] [Revised: 11/09/2010] [Accepted: 11/24/2010] [Indexed: 10/18/2022]
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Human myeloperoxidase in innate and acquired immunity. Arch Biochem Biophys 2010; 500:92-106. [DOI: 10.1016/j.abb.2010.04.008] [Citation(s) in RCA: 187] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2010] [Revised: 04/07/2010] [Accepted: 04/12/2010] [Indexed: 12/12/2022]
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Polzer S, van Yperen M, Kirst M, Schwalbe B, Schaal H, Schreiber M. Neutralization of X4- and R5-tropic HIV-1 NL4-3 variants by HOCl-modified serum albumins. BMC Res Notes 2010; 3:155. [PMID: 20525179 PMCID: PMC2887905 DOI: 10.1186/1756-0500-3-155] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2009] [Accepted: 06/02/2010] [Indexed: 11/10/2022] Open
Abstract
Background Myeloperoxidase (MPO), an important element of the microbicidal activity of neutrophils, generates hypochlorous acid (HOCl) from H2O2 and chloride, which is released into body fluids. Besides its direct microbicidal activity, HOCl can react with amino acid residues and HOCl-modified proteins can be detected in vivo. Findings This report is based on binding studies of HOCl-modified serum albumins to HIV-1 gp120 and three different neutralization assays using infectious virus. The binding studies were carried out by surface plasmon resonance spectroscopy and by standard ELISA techniques. Virus neutralization assays were carried out using HIV-1 NL4-3 virus and recombinant strains with CXCR4 and CCR5 coreceptor usage. Viral infection was monitored by a standard p24 or X-gal staining assay. Our data demonstrate that HOCl-modified mouse-, bovine- and human serum albumins all bind to the HIV-1 NL4-3 gp120 (LAV) glycoprotein in contrast to non-modified albumin. Binding of HOCl-modified albumin to gp120 correlated to the blockade of CD4 as well as that of V3 loop specific monoclonal antibody binding. In neutralization experiments, HOCl-modified serum albumins inhibited replication and syncytium formation of the X4- and R5-tropic NL4-3 isolates in a dose dependent manner. Conclusions Our data indicate that HOCl-modified serum albumin veils the binding site for CD4 and the V3 loop on gp120. Such masking of the viral gp120/gp41 envelope complex might be a simple but promising strategy to inactivate HIV-1 and therefore prevent infection when HOCl-modified serum albumin is applied, for example, as a topical microbicide.
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Affiliation(s)
- Svenja Polzer
- Bernhard-Nocht Institute for Tropical Medicine, Department of Virology, Hamburg, Germany.
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36
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The oxido-redox potential of albumin. J Proteomics 2009; 73:188-95. [DOI: 10.1016/j.jprot.2009.06.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2009] [Revised: 06/05/2009] [Accepted: 06/10/2009] [Indexed: 11/20/2022]
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Miric D, Katanic R, Kisic B, Zoric L, Miric B, Mitic R, Dragojevic I. Oxidative stress and myeloperoxidase activity during bacterial meningitis: effects of febrile episodes and the BBB permeability. Clin Biochem 2009; 43:246-52. [PMID: 19822138 DOI: 10.1016/j.clinbiochem.2009.09.023] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2009] [Revised: 09/06/2009] [Accepted: 09/30/2009] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To investigate participation of extracellular myeloperoxidase (MPO) in oxidative stress during different courses of the bacterial meningitis (BM). MATERIALS AND METHODS We sequentially assessed WBC count, blood-brain barrier (BBB) permeability, serum and cerebrospinal fluid (CSF) lipid peroxidation (LPO), MPO and antioxidative activity (AOA) in proven pediatric BM. RESULTS BM patients exhibited increased systemic and local LPO and MPO, and reduced AOA, which was exaggerated in the febrile episodes. Serum MPO and LPO products were related to the BBB permeability at the baseline. CSF hydroperoxide level was influenced by the BBB permeability, CSF albumin concentration, and serum hydroperoxide (r=0.502; p<0.001, and r=0.611; p<0.001, and r=0.358; p<0.001, respectively). CSF hydroperoxide and MPO correlated in complicated cases during the study. CONCLUSIONS These results suggest that CSF LPO and MPO were closely related in BM, had different courses if febrile episodes had occurred, but were partly influenced by the BBB permeability.
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Affiliation(s)
- Dijana Miric
- Institute of Biochemistry, Medical Faculty Pristina (Kosovska Mirtovica), Anri Dinana bb, 38220, Kosovska Mitrovica, Serbia.
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38
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Walse SS, Plewa MJ, Mitch WA. Exploring Amino Acid Side Chain Decomposition Using Enzymatic Digestion and HPLC-MS: Combined Lysine Transformations in Chlorinated Waters. Anal Chem 2009; 81:7650-9. [DOI: 10.1021/ac901064u] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Spencer S. Walse
- Department of Chemical Engineering, Environmental Engineering Program, Yale University, Mason Lab 313b, 9 Hillhouse Avenue, New Haven, Connecticut 06520-8286, and Department of Crop Sciences, College of Agricultural, Consumer, and Environmental Sciences, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801
| | - Michael J. Plewa
- Department of Chemical Engineering, Environmental Engineering Program, Yale University, Mason Lab 313b, 9 Hillhouse Avenue, New Haven, Connecticut 06520-8286, and Department of Crop Sciences, College of Agricultural, Consumer, and Environmental Sciences, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801
| | - William A. Mitch
- Department of Chemical Engineering, Environmental Engineering Program, Yale University, Mason Lab 313b, 9 Hillhouse Avenue, New Haven, Connecticut 06520-8286, and Department of Crop Sciences, College of Agricultural, Consumer, and Environmental Sciences, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801
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39
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Bruschi M, Grilli S, Candiano G, Fabbroni S, Della Ciana L, Petretto A, Santucci L, Urbani A, Gusmano R, Scolari F, Ghiggeri GM. New iodo-acetamido cyanines for labeling cysteine thiol residues. A strategy for evaluating plasma proteins and their oxido-redox status. Proteomics 2009; 9:460-9. [PMID: 19142950 DOI: 10.1002/pmic.200800254] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Two new iodoacetamide-substituted cyanines, C3NIASO3 and C5NIASO3, were synthesized starting from hemicyanine and were utilized for labeling plasma proteins. Specificity, sensitivity and feasibility for SH residues was tested utilizing an equimolar mixture of standard proteins and with normal plasma. Oxidized plasma proteins following H(2)O(2 )exposure and plasma from patients with focal glomerulosclerosis were analyzed as models of altered protein oxido-redox status. Following optimization of the assay (dye/protein ratio, pH), C3NIASO3 and C5NIASO3 gave a sensitivity slightly better than N-hydroxysuccinimidyl dyes for plasma proteins and were successfully employed for differential display electrophoresis (DIGE). Twenty-nine proteins were detected in normal plasma after 2-DE while less proteins were detected in plasma of patients with glomerulosclerosis. Following massive 'in vitro' oxidation with H(2)O(2), C3NIASO3 and C5NIASO3 failed to detect any residual SH, implicating massive oxidation. In conclusion, this study describes the synthesis of two new iodoacetamide cyanines that can be utilized for the analysis of plasma proteins with 2-DE and DIGE. They are also indicated for the definition of the oxido-redox status of proteins and were successfully utilized to extend the analysis of oxidation damage in patients with glomerulosclerosis.
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Affiliation(s)
- Maurizio Bruschi
- Division of Nephrology and Laboratory on Pathophysiology of Uremia, G Gaslini Children Hospital, Genoa, Italy
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40
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Kambayashi Y, Ogino K, Takemoto K, Imagama T, Takigawa T, Kimura S, Hibino Y, Hitomi Y, Nakamura H. Preparation and Characterization of a Polyclonal Antibody against Brominated Protein. J Clin Biochem Nutr 2008; 44:95-103. [PMID: 19177194 PMCID: PMC2613505 DOI: 10.3164/jcbn.08-196] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2008] [Accepted: 09/26/2008] [Indexed: 12/21/2022] Open
Abstract
(Di)bromotyrosine is formed by the specific reaction of eosinophil peroxidase and can be used as an eosinophil activation marker. In the present study, an antibody for (di)bromotyrosine in proteins was prepared to investigate the pathogenesis of eosinophil-related diseases such as allergic responses. A rabbit polyclonal antibody was raised against brominated keyhole limpet hemocyanin. The specificity of the antiserum was investigated with an enzyme-linked immunosorbent assay (ELISA). The antiserum recognized brominated bovine serum albumin (BSA) and dibromotyrosine-conjugated BSA. The antiserum also reacted with chlorinated BSA and di-iodotyrosine-conjugated BSA. Moreover, the specificity of the antiserum was investigated using competitive ELISA. Dibromotyrosine and di-iodotyrosine inhibited the recognition of brominated BSA by the antiserum. However, the recognition of brominated BSA by the antiserum was not inhibited by bromotyrosine, chlorotyrosine, iodotyrosine, nitrotyrosine, aminotyrosine, phosphotyrosine, or tyrosine. These results suggested that the epitope of the antiserum is dihalogenated tyrosine. Immunohistochemically, the antiserum stained brominated rat eosinophils but not chlorinated or nitrated eosinophils. In conclusion, an antiserum for dihalogenated protein was prepared. It is expected that the antiserum will be useful for the analysis of the pathogenesis of allergic diseases such as asthma and atopic dermatitis.
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Affiliation(s)
- Yasuhiro Kambayashi
- Department of Environmental and Preventive Medicine, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-8640, Japan
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41
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Park SY, Youm JH, Jung KC, Sohn UD. Inhibitory effect of hypochlorous acid on lower esophageal sphincter tone relaxation by vasoactive intestinal peptide. Arch Pharm Res 2008; 31:1552-8. [PMID: 19099223 DOI: 10.1007/s12272-001-2150-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2008] [Revised: 11/27/2008] [Accepted: 11/27/2008] [Indexed: 11/30/2022]
Abstract
Under physiological conditions, hypochlorous acid (HOCl) is the major product of myeloperoxidase, a ferric heme enzyme released in inflammatory diseases. In the present study, we investigated the effect of HOCl compared to hydrogen peroxide (H2O2) on the vasoactive intestinal polypeptide (VIP)-induced relaxation of feline lower esophageal sphincter (LES) strips. Isometric tension on LES strips was measured using a force transducer. VIP induced the relaxation of basal LES tone in a concentration-dependent manner. Pretreatment with HOCl (10(-4) M) significantly reduced the VIP-induced relaxation at smaller concentrations than H2O2 (10(-3) M). VIP-induced relaxation is mediated via the Gi/o protein, since pretreatment with Pertussis Toxin (PTX) showed an inhibitory effect on the relaxation. HOCl showed an additional inhibitory effect on the reduced relaxation by PTX, indicating that HOCl might affect another G protein as well as Gi/o. However, HOCl did not affect SNP-, SIN-1-, and 8-br-cGMP-induced relaxation. Nor did HOCl modify the relaxation induced by either forskolin or db-cAMP in LES muscle strips. These results suggest that during short-term treatment, HOCl may damage the upstream events including G protein level, and result in alteration of LES tone in the feline esophagus, similar to the inhibitory effects of H2O2.
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Affiliation(s)
- Sun Young Park
- Department of Pharmacology, College of Pharmacy, University of Chung-Ang, Seoul, 156-756, Korea
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42
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Oxidative stress induces myeloperoxidase expression in endocardial endothelial cells from patients with chronic heart failure. Basic Res Cardiol 2008; 104:307-20. [PMID: 19030913 DOI: 10.1007/s00395-008-0761-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2007] [Accepted: 10/27/2008] [Indexed: 10/21/2022]
Abstract
Increased oxidative stress has been implicated in the pathogenesis of a number of cardiovascular diseases. Recent findings suggest that myeloperoxidase (MPO) may play a key role in the initiation and maintenance of chronic heart failure (CHF) by contributing to the depletion of the intracellular reservoir of nitric oxide (NO). NO consumption through MPO activity may lead to protein chlorination or nitration, leading to tissue damage. Primary cultures of human endocardial endothelial cells (EEC) obtained at heart transplantation of patients with CHF and human umbilical vein endothelial cells (HUVEC) were subjected to oxidative stress by incubation with hydrogen peroxide at non lethal (60 microM) dose for different exposure times (3 and 6 h). Treated and control cells were tested by immunohistochemistry and RT-PCR for MPO and 3-chlorotyrosine expression. Both endothelial cell types expressed myeloperoxidase following oxidative stress, with higher levels in EEC. Moreover, 3-chlorotyrosine accumulation in treated cells alone indicated the presence of MPO-derived hypochlorous acid. Immunohistochemistry on sections from post-infarcted heart confirmed in vivo the endothelial positivity to MPO, 3-chlorotyrosine and, to a minor extent, nitrotyrosine. Immunohistochemical observations were confirmed by detection of MPO mRNA in both stimulated EEC and HUVEC cells. This study demonstrates for the first time that EEC can express MPO after oxidative stress, both in vitro and in vivo, followed by accumulation of 3-chlorotyrosine, an end product of oxidative stress. Deregulation of endothelial functions may contribute to the development of a number of cardiovascular diseases, including CHF. The results also highlight the notion that endothelium is not only a target but also a key player in oxidative-driven cardiovascular stress.
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Summers FA, Morgan PE, Davies MJ, Hawkins CL. Identification of Plasma Proteins That Are Susceptible to Thiol Oxidation by Hypochlorous Acid and N-Chloramines. Chem Res Toxicol 2008; 21:1832-40. [DOI: 10.1021/tx8001719] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Fiona A. Summers
- The Heart Research Institute, 114 Pyrmont Bridge Road, Camperdown, Sydney, NSW 2050, Australia
| | - Philip E. Morgan
- The Heart Research Institute, 114 Pyrmont Bridge Road, Camperdown, Sydney, NSW 2050, Australia
| | - Michael J. Davies
- The Heart Research Institute, 114 Pyrmont Bridge Road, Camperdown, Sydney, NSW 2050, Australia
| | - Clare L. Hawkins
- The Heart Research Institute, 114 Pyrmont Bridge Road, Camperdown, Sydney, NSW 2050, Australia
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Sabetkar M, Low SY, Bradley NJ, Jacobs M, Naseem KM, Richard Bruckdorfer K. The nitration of platelet vasodilator stimulated phosphoprotein following exposure to low concentrations of hydrogen peroxide. Platelets 2008; 19:282-92. [PMID: 18569864 DOI: 10.1080/09537100801915142] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Hydrogen peroxide (H2O2) at biologically relevant concentrations acts as a signaling molecule. We have shown previously that H2O2 acts synergistically with nitric oxide (NO) to inhibit platelet aggregation. We found that this synergism may be associated with the increased serine phosphorylation of vasodilator-sensitive phosphoprotein (VASP) by H2O2. In this study we demonstrate that H2O2 in the absence of NO or exogenous haem- containing proteins induces nitration of plateletVASP and other unidentified proteins by a mechanism that may involve the formation of peroxynitrite. The nitration was NO-dependent, but independent of oxidative stress and guanylyl cyclcase. The flavanoid epigallocatechin gallate (ECGC) completely suppressed nitration and was also shown to inhibit partially platelet activation by other agonists. Importantly, protein nitration was reversible, or at least the nitrated tyrosine residues are converted to a form not recognized by anti-nitrotyrosine antibodies. The loss of nitrated VASP was still evident in the presence of membrane permeable protease inhibitors. In conclusion, as H2O2 can inhibit platelet function, the nitration of VASP, a protein critical for actin cytoskeletal rearrangement, may represent a novel mechanism important in the regulation of platelets shape change leading to inhibition of platelets aggregation and the formation of blood clot.
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45
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Davies MJ, Hawkins CL, Pattison DI, Rees MD. Mammalian heme peroxidases: from molecular mechanisms to health implications. Antioxid Redox Signal 2008; 10:1199-234. [PMID: 18331199 DOI: 10.1089/ars.2007.1927] [Citation(s) in RCA: 423] [Impact Index Per Article: 26.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A marked increase in interest has occurred over the last few years in the role that mammalian heme peroxidase enzymes, primarily myeloperoxidase, eosinophil peroxidase, and lactoperoxidase, may play in both disease prevention and human pathologies. This increased interest has been sparked by developments in our understanding of polymorphisms that control the levels of these enzymes, a greater understanding of the basic chemistry and biochemistry of the oxidants formed by these species, the development of specific biomarkers that can be used in vivo to detect damage induced by these oxidants, the detection of active forms of these peroxidases at most, if not all, sites of inflammation, and a correlation between the levels of these enzymes and a number of major human pathologies. This article reviews recent developments in our understanding of the enzymology, chemistry, biochemistry and biologic roles of mammalian peroxidases and the oxidants that they generate, the potential role of these oxidants in human disease, and the use of the levels of these enzymes in disease prognosis.
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Affiliation(s)
- Michael J Davies
- The Heart Research Institute, Camperdown, University of Sydney, Sydney, Australia., Faculty of Medicine, University of Sydney, Sydney, Australia.
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46
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Sakamoto W, Fujii Y, Kanehira T, Asano K, Izumi H. A novel assay system for myeloperoxidase activity in whole saliva. Clin Biochem 2008; 41:584-90. [DOI: 10.1016/j.clinbiochem.2007.12.025] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2007] [Revised: 12/17/2007] [Accepted: 12/30/2007] [Indexed: 11/24/2022]
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47
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Vossmann M, Kirst M, Ludolfs D, Schreiber M. West Nile virus is neutralized by HOCl-modified human serum albumin that binds to domain III of the viral envelope protein E. Virology 2008; 373:322-8. [DOI: 10.1016/j.virol.2007.12.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2007] [Revised: 10/04/2007] [Accepted: 12/07/2007] [Indexed: 10/22/2022]
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48
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Lessig J, Spalteholz H, Reibetanz U, Salavei P, Fischlechner M, Glander HJ, Arnhold J. Myeloperoxidase binds to non-vital spermatozoa on phosphatidylserine epitopes. Apoptosis 2008; 12:1803-12. [PMID: 17701359 DOI: 10.1007/s10495-007-0113-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The heme protein myeloperoxidase is released from stimulated polymorphonuclear leukocytes, a cell species found in increasing amounts in the male and female genital tract of patients with genital tract inflammations. Myeloperoxidase binds only to a fraction of freshly prepared human spermatozoa. The number of spermatozoa able to bind myeloperoxidase raised considerably in samples containing pre-damaged cells or in acrosome-reacted samples. In addition, myeloperoxidase released from zymosan-stimulated polymorphonuclear leukocytes was also able to bind to pre-damaged spermatozoa. The ability of spermatozoa to bind myeloperoxidase coincided with the binding of annexin V to externalized phosphatidylserine epitopes indicating the loss of plasma membrane integrity and with the incorporation of ethidium homodimer I. Myeloperoxidase did not interact with intact spermatozoa. Annexin V and myeloperoxidase bind to the same binding sites as verified by double fluorescence techniques, flowcytometry analyses as well as competition experiments. We demonstrated also that myeloperoxidase is eluted together with pure phosphatidylserine liposomes or liposomes composed of phosphatidylserine and phosphatidylcholine in gel filtration, but not with pure phosphatidylcholine liposomes. In conclusion, myeloperoxidase interacts with apoptotic spermatozoa via binding to externalized phosphatidylserine indicating a yet unknown role of this protein in recognition and removal of apoptotic cells during inflammation.
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Affiliation(s)
- Jacqueline Lessig
- Institute of Medical Physics and Biophysics, Medical Faculty, University of Leipzig, Haertelstr. 16-18, 04107, Leipzig, Germany,
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Govindaraju K, Shan J, Levesque K, Hussain SNA, Powell WS, Eidelman DH. Nitration of respiratory epithelial cells by myeloperoxidase depends on extracellular nitrite. Nitric Oxide 2008; 18:184-94. [PMID: 18280259 DOI: 10.1016/j.niox.2008.01.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2007] [Revised: 12/19/2007] [Accepted: 01/07/2008] [Indexed: 01/08/2023]
Abstract
To investigate peroxidase induced 3'-nitrotyrosine (3NT) formation, neutrophil derived myeloperoxidase (MPO) (0.025 microM) was directly administered to A549 epithelial cells with or without H(2)O(2) (150 microM). Little evidence of 3NT was found. In contrast, there was a dose dependent increase in intracellular NO (p<0.001, n=8) following MPO (0.025 microM) treatment, which was further enhanced (p<0.0003, n=8) by addition of H(2)O(2). Extracellular NO also increased after MPO (p<0.002, n=5) and with MPO and H(2)O(2) (p<0.004, n=5). Substantial 3NT formation was only detected following addition of nitrite (NO(2)(-), > or =100 microM), which induced a dose dependent increase in epithelial 3NT. In contrast, protein carbonyl formation and increased GSSG/GSH ratios were associated with MPO treatment even in the absence of NO(2)(-). Co-culture of A549 epithelial cells with polymorphonuclear leukocytes (PMN) (10(6)/ml) led to immunocytochemical detection of epithelial 3NT and induction of nitric oxide synthase (NOS2). However, in a Transwell system direct contact between PMN and A549 cells was necessary for immunodetection of 3NT but not of NOS2 consistent with a role for high local nitrite concentrations. These findings demonstrate dissociation between epithelial endogenous NO production and 3NT formation. Although MPO can influence cellular oxidative stress, particularly in the presence of H(2)O(2), 3NT formation requires the presence of high concentrations of NO(2)(-) in the milieu.
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Affiliation(s)
- Karuthapillai Govindaraju
- Meakins-Christie Laboratories and Respiratory Division, Department of Medicine, McGill University and McGill University Health Centre Research Institute, Room A3.09, 687 Pine Avenue West, Montreal, Que., Canada H3A 1A1
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Panasenko OM, Vakhrusheva T, Tretyakov V, Spalteholz H, Arnhold J. Influence of chloride on modification of unsaturated phosphatidylcholines by the myeloperoxidase/hydrogen peroxide/bromide system. Chem Phys Lipids 2007; 149:40-51. [PMID: 17604010 DOI: 10.1016/j.chemphyslip.2007.05.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2007] [Revised: 05/11/2007] [Accepted: 05/12/2007] [Indexed: 10/23/2022]
Abstract
The leukocyte enzyme myeloperoxidase (MPO) is capable of catalyzing the oxidation of chloride and bromide ions, at physiological concentrations of these substrates, by hydrogen peroxide, generating hypochlorous acid (HOCl) and hypobromous acid (HOBr), respectively. Our previous results showed that the hypohalous acids formed react with double bonds in phosphatidylcholines (PCs) to produce chloro- and bromohydrins. Lysophosphatidylcholine (lyso-PC) is additionally formed in PCs with two or more double bonds. This study was conducted to determine the effect physiological chloride concentration (140 mM) has on the formation of bromohydrins and lyso-PC from unsaturated PC upon treatment with the myeloperoxidase/hydrogen peroxide/bromide (MPO/H2O2/Br-) system using physiological bromide concentrations (20-100 microM). The composition of reaction products was analyzed by matrix-assisted laser desorption and ionization time-of-flight mass spectrometry (MALDI-TOF MS). With monounsaturated PC, we demonstrated that the rate and extent of mono-bromohydrin formation were higher in the samples with 140 mM chloride compared to those with no added chloride. Moreover, mono-bromohydrin came to be the major product and no mono-chlorohydrin was observed already at 60 microM bromide. We attributed these effects to the involvement of HOBr arising from the reaction of MPO-derived HOCl with bromide rather than to the exchange of bromide with chlorine atoms of chlorohydrins or direct formation of HOBr by MPO. The presence of chloride shifted the pH optimum for mono-bromohydrin formation (pH 5.0) toward neutral values, and a significant yield of mono-bromohydrin was detected at physiological pH values (7.0-7.4). For polyunsaturated PC, chloride enhanced also lyso-PC production, the effect being pronounced at bromide concentrations below 40 microM. The results indicate that at physiological levels of chloride and bromide, chloride promotes MPO-mediated formation of bromohydrins and lyso-PC in unsaturated phospholipids.
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Affiliation(s)
- Oleg M Panasenko
- Research Institute of Physico-Chemical Medicine, Malaya Pirogovskaya Street, 1a, Moscow 119992, Russia.
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