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Russo I, Barale C, Melchionda E, Penna C, Pagliaro P. Platelets and Cardioprotection: The Role of Nitric Oxide and Carbon Oxide. Int J Mol Sci 2023; 24:ijms24076107. [PMID: 37047079 PMCID: PMC10094148 DOI: 10.3390/ijms24076107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/16/2023] [Accepted: 03/21/2023] [Indexed: 04/14/2023] Open
Abstract
Nitric oxide (NO) and carbon monoxide (CO) represent a pair of biologically active gases with an increasingly well-defined range of effects on circulating platelets. These gases interact with platelets and cells in the vessels and heart and exert fundamentally similar biological effects, albeit through different mechanisms and with some peculiarity. Within the cardiovascular system, for example, the gases are predominantly vasodilators and exert antiaggregatory effects, and are protective against damage in myocardial ischemia-reperfusion injury. Indeed, NO is an important vasodilator acting on vascular smooth muscle and is able to inhibit platelet activation. NO reacts with superoxide anion (O2(-•)) to form peroxynitrite (ONOO(-)), a nitrosating agent capable of inducing oxidative/nitrative signaling and stress both at cardiovascular, platelet, and plasma levels. CO reduces platelet reactivity, therefore it is an anticoagulant, but it also has some cardioprotective and procoagulant properties. This review article summarizes current knowledge on the platelets and roles of gas mediators (NO, and CO) in cardioprotection. In particular, we aim to examine the link and interactions between platelets, NO, and CO and cardioprotective pathways.
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Affiliation(s)
- Isabella Russo
- Department of Clinical and Biological Sciences of Turin University, Orbassano, I-10043 Turin, Italy
| | - Cristina Barale
- Department of Clinical and Biological Sciences of Turin University, Orbassano, I-10043 Turin, Italy
| | - Elena Melchionda
- Department of Clinical and Biological Sciences of Turin University, Orbassano, I-10043 Turin, Italy
| | - Claudia Penna
- Department of Clinical and Biological Sciences of Turin University, Orbassano, I-10043 Turin, Italy
| | - Pasquale Pagliaro
- Department of Clinical and Biological Sciences of Turin University, Orbassano, I-10043 Turin, Italy
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Li Z, Bi R, Sun S, Chen S, Chen J, Hu B, Jin H. The Role of Oxidative Stress in Acute Ischemic Stroke-Related Thrombosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8418820. [PMID: 36439687 PMCID: PMC9683973 DOI: 10.1155/2022/8418820] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 10/13/2022] [Accepted: 11/02/2022] [Indexed: 09/22/2023]
Abstract
Acute ischemic stroke is a serious life-threatening disease that affects almost 600 million people each year throughout the world with a mortality of more than 10%, while two-thirds of survivors remain disabled. However, the available treatments for ischemic stroke are still limited to thrombolysis and/or mechanical thrombectomy, and there is an urgent need for developing new therapeutic target. Recently, intravascular oxidative stress, derived from endothelial cells, platelets, and leukocytes, has been found to be tightly associated with stroke-related thrombosis. It not only promotes primary thrombus formation by damaging endothelial cells and platelets but also affects thrombus maturation and stability by modifying fibrin components. Thus, oxidative stress is expected to be a novel target for the prevention and treatment of ischemic stroke. In this review, we first discuss the mechanisms by which oxidative stress promotes stroke-related thrombosis, then summarize the oxidative stress biomarkers of stroke-related thrombosis, and finally put forward an antithrombotic therapy targeting oxidative stress in ischemic stroke.
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Affiliation(s)
- Zhifang Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Rentang Bi
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Shuai Sun
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Shengcai Chen
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jiefang Chen
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Bo Hu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Huijuan Jin
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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Placental Adaptive Changes to Protect Function and Decrease Oxidative Damage in Metabolically Healthy Maternal Obesity. Antioxidants (Basel) 2020; 9:antiox9090794. [PMID: 32859037 PMCID: PMC7555720 DOI: 10.3390/antiox9090794] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 08/21/2020] [Accepted: 08/24/2020] [Indexed: 12/12/2022] Open
Abstract
Pregnancy-related disorders, including preeclampsia and gestational diabetes, are characterized by the presence of an adverse intrauterine milieu that may ultimately result in oxidative and nitrosative stress. This scenario may trigger uncontrolled production of reactive oxygen species (ROS) such as superoxide anion (O●−) and reactive nitrogen species (RNS) such as nitric oxide (NO), along with an inactivation of antioxidant systems, which are associated with the occurrence of relevant changes in placental function through recognized redox post-translational modifications in key proteins. The general objective of this study was to assess the impact of a maternal obesogenic enviroment on the regulation of the placental nitroso-redox balance at the end of pregnancy. We measured oxidative damage markers—thiobarbituric acid-reacting substances (TBARS) and carbonyl groups (C=O) levels; nitrosative stress markers—inducible nitric oxide synthase, nitrosothiol groups, and nitrotyrosine residues levels; and the antioxidant biomarkers—catalase and superoxide dismutase (SOD) activity and expression, and total antioxidant capacity (TAC), in full-term placental villous from both pre-pregnancy normal weight and obese women, and with absence of metabolic complications throughout gestation. The results showed a decrease in C=O and TBARS levels in obese pregnancies. Although total SOD and catalase concentrations were shown to be increased, both activities were significantly downregulated in obese pregnancies, along with total antioxidant capacity. Inducible nitric oxide sintase levels were increased in the obese group compared to the lean group, accompanied by an increase in nitrotyrosine residues levels and lower levels of nitrosothiol groups in proteins such as ERK1/2. These findings reveal a reduction in oxidative damage, accompanied by a decline in antioxidant response, and an increase via NO-mediated nitrative stress in placental tissue from metabolically healthy pregnancies with obesity. All this plausibly points to a placental adaptation of the affected antioxidant response towards a NO-induced alternative pathway, through changes in the ROS/RNS balance, in order to reduce oxidative damage and preserve placental function in pregnancy.
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Ferroni P, Barbanti P, Della-Morte D, Palmirotta R, Jirillo E, Guadagni F. Redox Mechanisms in Migraine: Novel Therapeutics and Dietary Interventions. Antioxid Redox Signal 2018; 28:1144-1183. [PMID: 28990418 DOI: 10.1089/ars.2017.7260] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
SIGNIFICANCE Migraine represents the third most prevalent and the seventh most disabling human disorder. Approximately 30% of migraine patients experience transient, fully reversible, focal neurological symptoms (aura) preceding the attack. Recent Advances: Awareness of the hypothesis that migraine actually embodies a spectrum of illnesses-ranging from episodic to chronic forms-is progressively increasing and poses novel challenges for clarifying the underlying pathophysiological mechanisms of migraine as well as for the development of novel therapeutic interventions. Several theories have evolved to the current concept that a combination of genetic, epigenetic, and environmental factors may play a role in migraine pathogenesis, although their relative importance is still being debated. CRITICAL ISSUES One critical issue that deserves a particular attention is the role of oxidative stress in migraine. Indeed, potentially harmful oxidative events occur during the migraine attack and long-lasting or frequent migraine episodes may increase brain exposure to oxidative events that can lead to chronic transformation. Moreover, a wide variety of dietary, environmental, physiological, behavioral, and pharmacological migraine triggers may act through oxidative stress, with clear implications for migraine treatment and prophylaxis. Interestingly, almost all current prophylactic migraine agents exert antioxidant effects. FUTURE DIRECTIONS Increasing awareness of the role of oxidative stress and/or decreased antioxidant defenses in migraine pathogenesis and progression to a chronic condition lays the foundations for the design of novel prophylactic approaches, which, by reducing brain oxidative phenomena, could favorably modify the clinical course of migraine. Antioxid. Redox Signal. 28, 1144-1183.
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Affiliation(s)
- Patrizia Ferroni
- 1 Department of Human Sciences and Quality of Life Promotion, San Raffaele Roma Open University , Rome, Italy .,2 IRCCS San Raffaele Pisana , Rome, Italy
| | - Piero Barbanti
- 3 Headache and Pain Unit, Department of Neurological, Motor and Sensorial Sciences, IRCCS San Raffaele Pisana , Rome, Italy
| | - David Della-Morte
- 1 Department of Human Sciences and Quality of Life Promotion, San Raffaele Roma Open University , Rome, Italy .,2 IRCCS San Raffaele Pisana , Rome, Italy .,4 Department of Systems Medicine, University of Rome "Tor Vergata ," Rome, Italy
| | - Raffaele Palmirotta
- 5 Department of Biomedical Sciences and Human Oncology, "A. Moro" University , Bari, Italy
| | - Emilio Jirillo
- 6 Department of Basic Medical Sciences, Neuroscience and Sensory Organs, "A. Moro" University , Bari, Italy
| | - Fiorella Guadagni
- 1 Department of Human Sciences and Quality of Life Promotion, San Raffaele Roma Open University , Rome, Italy .,2 IRCCS San Raffaele Pisana , Rome, Italy
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5
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Red cabbage anthocyanins as inhibitors of lipopolysaccharide-induced oxidative stress in blood platelets. Int J Biol Macromol 2015. [DOI: 10.1016/j.ijbiomac.2015.07.039] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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6
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Bults P, van de Merbel NC, Bischoff R. Quantification of biopharmaceuticals and biomarkers in complex biological matrices: a comparison of liquid chromatography coupled to tandem mass spectrometry and ligand binding assays. Expert Rev Proteomics 2015; 12:355-74. [DOI: 10.1586/14789450.2015.1050384] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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7
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Gasomediators (·NO, CO, and H2S) and their role in hemostasis and thrombosis. Clin Chim Acta 2015; 445:115-21. [DOI: 10.1016/j.cca.2015.03.027] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Revised: 03/17/2015] [Accepted: 03/18/2015] [Indexed: 01/16/2023]
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8
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Wachowicz B. Blood Platelet as a Peripheral Cell in Oxidative Stress in Psychiatric Disorders. OXIDATIVE STRESS IN APPLIED BASIC RESEARCH AND CLINICAL PRACTICE 2015. [DOI: 10.1007/978-1-4939-0440-2_16] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Misztal T, Rusak T, Tomasiak M. Peroxynitrite may affect clot retraction in human blood through the inhibition of platelet mitochondrial energy production. Thromb Res 2014; 133:402-11. [DOI: 10.1016/j.thromres.2013.12.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2013] [Revised: 11/12/2013] [Accepted: 12/16/2013] [Indexed: 01/22/2023]
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Kolodziejczyk-Czepas J, Wachowicz B, Moniuszko-Szajwaj B, Kowalska I, Oleszek W, Stochmal A. Antioxidative effects of extracts from Trifolium species on blood platelets exposed to oxidative stress. J Physiol Biochem 2013; 69:879-87. [PMID: 23749379 DOI: 10.1007/s13105-013-0264-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2012] [Accepted: 05/22/2013] [Indexed: 11/25/2022]
Abstract
Clovers (Trifolium) may possess a significant therapeutic potential, but the effects of compounds from these plants on blood platelets and haemostasis have been poorly recognized. The present study was designed to evaluate the antioxidative action of extracts from three species of clovers: Trifolium pratense, Trifolium pallidum and Trifolium scabrum in the protection of human blood platelets in vitro. Platelet suspensions were pre-incubated with crude extract and phenolic fraction of T. pratense or phenolic fractions of T. scabrum and T. pallidum, at the final concentrations of 0.5-50 μg/ml. Then, for the induction of oxidative stress, 100 μM peroxynitrite was added. The antioxidative activity of plant extracts was assessed by measurements of the level of 3-nitrotyrosine, thiol groups and lipid peroxidation products (hydroperoxides and thiobarbituric acid-reactive substances). Despite the significant differences in the composition of the investigated extracts, we observed antioxidative effects of all used mixtures. The presence of Trifolium extracts considerably reduced the peroxynitrite-mediated modifications of proteins and diminished peroxidation of lipids in platelets. Our results indicate on a strong antioxidative activity of the tested extracts-statistically significant effects were found even for the lowest concentrations (0.5 μg/ml) of all extracts. This action may be useful in the protection of blood components, very susceptible to oxidative modifications. The obtained results suggest that the examined clovers are a promising source of compounds, valuable for the protection against oxidative stress-induced damage to blood platelets.
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Affiliation(s)
- Joanna Kolodziejczyk-Czepas
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/3, 90-236, Lodz, Poland,
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Saluk J, Bijak M, Ponczek MB, Nowak P, Wachowicz B. (1→3)-β-D-Glucan reduces the damages caused by reactive oxygen species induced in human platelets by lipopolysaccharides. Carbohydr Polym 2013; 97:716-24. [PMID: 23911506 DOI: 10.1016/j.carbpol.2013.05.054] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2013] [Revised: 04/18/2013] [Accepted: 05/20/2013] [Indexed: 02/01/2023]
Abstract
LPS (lipopolysaccharide) induces platelet activation and is a well-known fundamental agent of septic shock and disseminated intravascular coagulation (DIC). Biological activity of (1→3)-β-D-glucan is related due to its anti-inflammatory, antioxidant, and antitumor properties. We focus our attention on the (1→3)-β-D-glucan (antiplatelet) properties. The main purpose of our study was to evaluate the influence of (1→3)-β-D-glucan from Saccharomyces cerevisiae on destructive activity of LPS (from Escherichia coli and Pseudomonas aeruginosa) on human blood platelets. We assess biochemically in vitro if (1→3)-β-D-glucan might combat the oxidative stress caused by LPS stroke associated with nitrative and oxidative damages of human platelet biomolecules. We also make an attempt by in silico molecular docking to determine the interactions between the molecules of (1→3)-β-D-glucan and LPS. Our conclusion is that protective mechanism of (1→3)-β-D-glucan against LPS action on blood platelets is due to as well: its antioxidant properties, as to its interaction with LPS-binding region of TLR4-MD-2 complex.
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Affiliation(s)
- Joanna Saluk
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland.
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Sener A, Egemen G, Cevik O, Yanikkaya-Demirel G, Apikoglu-Rabus S, Ozsavci D. In vitro effects of nitric oxide donors on apoptosis and oxidative/nitrative protein modifications in ADP-activated platelets. Hum Exp Toxicol 2012; 32:225-35. [PMID: 23111882 DOI: 10.1177/0960327112455673] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Nitric oxide (NO) is an important physiological signaling molecule. However, when produced in excessive amounts, NO can also have toxic effects. The aim of this study is to investigate the effects of exogenous- and endogenous-derived NO on oxidative modifications of proteins and apoptosis in activated platelets. Washed platelets were incubated with L-arginine or nitroso-glutathione (GSNO) in the presence of adenosine diphosphate (ADP). After incubation, caspase-3 activity, phosphatidylserine (PS) externalization and the potential of mitochondrial membrane as markers of apoptosis were measured. In addition, the alterations in protein carbonylation (PCO) and nitrotyrosine (NT) formation as markers of protein oxidation were examined. Platelet activation with ADP (20 µM) significantly increased PCO and NT levels and apoptotic events. After incubation with L-arginine, platelet NO production increased significantly. This L-arginine-induced increase caused decreases in formerly increased PCO and NT levels associated with ADP-induced platelet activation. Stimulation of NO production with L-arginine protected platelets from apoptosis. GSNO caused an increase in protein NT levels. Despite this change, GSNO was effective in inhibition of P-selectin expression, platelet aggregation, protein carbonylation and apoptosis. The results suggest that L-arginine and GSNO-mediated NO leads to the inhibition of key apoptotic processes including caspase-3 activation, PS exposure and low mitochondrial membrane potential in washed platelets. The inhibitory effect of platelet clearance of L-arginine and GSNO may be a novel useful therapeutic property in clinical application.
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Affiliation(s)
- A Sener
- Department of Biochemistry, Faculty of Pharmacy, Marmara University, Istanbul, Turkey.
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13
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Modulation of fibrosis in systemic sclerosis by nitric oxide and antioxidants. Cardiol Res Pract 2011; 2012:521958. [PMID: 22111028 PMCID: PMC3206384 DOI: 10.1155/2012/521958] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2011] [Accepted: 09/11/2011] [Indexed: 01/28/2023] Open
Abstract
Systemic sclerosis (scleroderma: SSc) is a multisystem, connective tissue disease of unknown aetiology characterized by vascular dysfunction, autoimmunity, and enhanced fibroblast activity resulting in fibrosis of the skin, heart, and lungs, and ultimately internal organ failure, and death. One of the most important and early modulators of disease activity is thought to be oxidative stress. Evidence suggests that the free radical nitric oxide (NO), a key mediator of oxidative stress, can profoundly influence the early microvasculopathy, and possibly the ensuing fibrogenic response. Animal models and human studies have also identified dietary antioxidants, such as epigallocatechin-3-gallate (EGCG), to function as a protective system against oxidative stress and fibrosis. Hence, targeting EGCG may prove a possible candidate for therapeutic treatment aimed at reducing both oxidant stress and the fibrotic effects associated with SSc.
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Olas B, Kolodziejczyk J, Wachowicz B, Jędrejek D, Stochmal A, Oleszek W. The extract from hop cones (Humulus lupulus) as a modulator of oxidative stress in blood platelets. Platelets 2011; 22:345-52. [DOI: 10.3109/09537104.2010.549597] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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15
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Kedzierska M, Olas B, Wachowicz B, Stochmal A, Oleszek W, Jeziorski A, Piekarski J. The nitrative and oxidative stress in blood platelets isolated from breast cancer patients: the protectory action of aronia melanocarpa extract. Platelets 2011; 21:541-8. [PMID: 20624007 DOI: 10.3109/09537104.2010.492534] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Since mechanisms involved in the relationship between oxidative stress and breast cancer are still unclear, the aim of our present study was to evaluate oxidative/nitrative modifications of blood platelet proteins by measuring the level of biomarkers of oxidative/nitrative stress such as carbonyl groups, thiol groups and 3-nitrotyrosine in proteins in patients with benign breast diseases and in patients with invasive breast cancer, and compare with the control group. Levels of carbonyl groups and 3-nitrotyrosine residues in platelet proteins were measured by ELISA and a competition ELISA, respectively. The method with 5,5′-dithio-bis(2-nitro-benzoic acid) has been used to analyse free thiol groups in platelet proteins. Patients were hospitalized in the Department of Oncological Surgery, Medical University of Lodz, Poland. Exogenous antioxidants reduce oxidative stress, therefore we also investigated in a model system in vitro the effects of a polyphenol rich extract of Aronia melanocarpa (Rosaceae, final concentration of 50 µg/ml, 5 min, 37°C) on modified blood platelet proteins as well from patients with breast cancer and from the healthy group. We demonstrated in platelet proteins from patients with invasive breast cancer a higher level of carbonyl groups than in the control healthy group (p < 0.02). The level of 3-nitrotyrosine in platelet proteins from patients with invasive breast cancer was also significantly higher than in the healthy subject group (p < 0.001). In contrast, the amount of thiol groups in platelet proteins from patients was significantly lower (about < 50%) than in control blood platelets. In a model system in vitro we also observed that the extract from berries of A. melanocarpa (50 µg/ml, 5 min, 37°C) due to antioxidant action, significantly reduced the oxidative/nitrative stress (measured by thiol groups and 3-nitrotyrosine) in platelets, not only from the healthy group, but also from patients with benign breast diseases and in patients with invasive breast cancer.
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Affiliation(s)
- Magdalena Kedzierska
- Department of General Biochemistry, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland
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16
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Saluk-Juszczak J, Pawlaczyk I, Olas B, Kołodziejczyk J, Ponczek M, Nowak P, Tsirigotis-Wołoszczak M, Wachowicz B, Gancarz R. The effect of polyphenolic-polysaccharide conjugates from selected medicinal plants of Asteraceae family on the peroxynitrite-induced changes in blood platelet proteins. Int J Biol Macromol 2010; 47:700-5. [DOI: 10.1016/j.ijbiomac.2010.09.007] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2010] [Revised: 07/30/2010] [Accepted: 09/16/2010] [Indexed: 01/13/2023]
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17
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White PJ, Charbonneau A, Cooney GJ, Marette A. Nitrosative modifications of protein and lipid signaling molecules by reactive nitrogen species. Am J Physiol Endocrinol Metab 2010; 299:E868-78. [PMID: 20876760 DOI: 10.1152/ajpendo.00510.2010] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
This review is the last of four review articles addressing covalent modifications of proteins and lipids. Two of the reviews in this series were previously published (15, 28) and dealt with modifications of signaling proteins by GlcNAcylation and serine phosphorylation. In the current issue of the Journal, we complete this series with two reviews, one by Riahi et al. (102a) on the signaling and cellular functions of 4-hydroxyalkenals, key products of lipid peroxidation processes, and our present review on the effects of nitrosative modifications of protein and lipid signaling molecules by reactive nitrogen species. The aim of this Perspectives review is to highlight the significant role that reactive nitrogen species may play in the regulation of cellular metabolism through this important class of posttranslational modification. The potential role of nitrosative modifications in the regulation of insulin signal transduction, mitochondrial energy metabolism, mRNA transcription, stress signaling, and endoplasmic reticulum function will each be discussed. Since nitrosative modifications are not restricted to proteins, the current understanding of a recently described genus of "nitro-fatty acids" will also be addressed.
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Affiliation(s)
- Phillip J White
- The Quebec Heart and Lung Institute, Hôpital Laval, Quebec, Canada G1V 4G5
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18
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Gordge MP. Nitric oxide: a one-trick pony? J Thromb Haemost 2010; 8:1340-2. [PMID: 20180902 DOI: 10.1111/j.1538-7836.2010.03814.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- M P Gordge
- Department of Biomedical Sciences, University of Westminster, London, UK.
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19
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Evaluation of the antioxidant properties of N-acetylcysteine in human platelets: prerequisite for bioconversion to glutathione for antioxidant and antiplatelet activity. J Cardiovasc Pharmacol 2010; 54:319-26. [PMID: 19668088 DOI: 10.1097/fjc.0b013e3181b6e77b] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
N-Acetylcysteine (NAC) is a frequently used "antioxidant" in vitro, but the concentrations applied rarely correlate with those encountered with oral dosing in vivo. Here, we investigated the in vitro antioxidant and antiplatelet properties of NAC at concentrations (10-100 microM) that are achievable in plasma with tolerable oral dosing. The impact of NAC pretreatment (2 hours) on aggregation of platelets from healthy volunteers in response to thrombin and adenosine diphosphate and on platelet-derived nitric oxide (NO) was examined. NAC was found to be a weak reducing agent and a poor antioxidant compared with glutathione (reduced form) (GSH). However, platelets treated with NAC showed enhanced antioxidant activity and depression of reactive oxygen species generation associated with increases in intraplatelet GSH levels. An approximately 2-fold increase in NO synthase-derived nitrite was observed with 10 microM NAC treatment, but the effect was not concentration dependent. Finally, NAC significantly reduced both thrombin-induced and adenosine diphosphate-induced platelet aggregation. NAC should be considered a weak antioxidant that requires prior conversion to GSH to convey antioxidant and antithrombotic benefit at therapeutically relevant concentrations. Our results suggest that NAC might be an effective antiplatelet agent in conditions where increased oxidative stress contributes to heightened risk of thrombosis but only if the intraplatelet machinery to convert it to GSH is functional.
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Saluk-Juszczak J, Olas B, Wachowicz B, Glowacki R, Bald E. L-carnitine modulates blood platelet oxidative stress. Cell Biol Toxicol 2010; 26:355-65. [PMID: 20069352 DOI: 10.1007/s10565-009-9148-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2009] [Accepted: 12/09/2009] [Indexed: 12/14/2022]
Abstract
The oxidative stress induced by acute exertion may interfere with blood platelet activation. The beneficial effect of L-carnitine (gamma-trimethylamino-beta-hydroxybutyric acid) on oxidative stress in blood platelets has not been fully investigated; however, different studies indicate that this compound modulates platelet functions. The aim of our study was to assess the effects of L-carnitine on platelet activation and oxidative/nitrative protein damage (determined by the levels of protein carbonyl groups, thiol groups, and 3-nitrotyrosine residues) in resting blood platelets or platelets treated with peroxynitrite (ONOO(-), a strong physiological oxidant) in vitro. We also investigated the effects of L-carnitine on the level of platelet glutathione and on the formation of superoxide anion radicals O2(-*), lipid peroxidation measured by thiobarbituric acid reactive substances (TBARS) in blood platelets stimulated by thrombin (a strong physiological agonist), and platelet aggregation induced by adenosine diphosphate (a strong physiological stimulator). We have observed that carnitine decreases platelet activation (measured by platelet aggregation, the generation of O2(-*), and TBARS production). Moreover, our results in vitro demonstrate that carnitine may protect against oxidation of thiol groups induced by ONOO(-). Thus, carnitine may have some protectory effects against oxidative changes induced in blood platelets.
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Affiliation(s)
- Joanna Saluk-Juszczak
- Department of General Biochemistry, Institute of Biochemistry, University of Lodz, Lodz, Poland.
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Abello N, Kerstjens HAM, Postma DS, Bischoff R. Protein tyrosine nitration: selectivity, physicochemical and biological consequences, denitration, and proteomics methods for the identification of tyrosine-nitrated proteins. J Proteome Res 2009; 8:3222-38. [PMID: 19415921 DOI: 10.1021/pr900039c] [Citation(s) in RCA: 257] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Protein tyrosine nitration (PTN) is a post-translational modification occurring under the action of a nitrating agent. Tyrosine is modified in the 3-position of the phenolic ring through the addition of a nitro group (NO2). In the present article, we review the main nitration reactions and elucidate why nitration is not a random chemical process. The particular physical and chemical properties of 3-nitrotyrosine (e.g., pKa, spectrophotometric properties, reduction to aminotyrosine) will be discussed, and the biological consequences of PTN (e.g., modification of enzymatic activity, sensitivity to proteolytic degradation, impact on protein phosphorylation, immunogenicity and implication in disease) will be reviewed. Recent data indicate the possibility of an in vivo denitration process, which will be discussed with respect to the different reaction mechanisms that have been proposed. The second part of this review article focuses on analytical methods to determine this post-translational modification in complex proteomes, which remains a major challenge.
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Affiliation(s)
- Nicolas Abello
- Department of Analytical Biochemistry, Center for Pharmacy, University of Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands
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Olas B, Saluk-Juszczak J, Pawlaczyk I, Nowak P, Kolodziejczyk J, Gancarz R, Wachowicz B. Antioxidant and antiaggregatory effects of an extract fromConyza canadensison blood plateletsin vitro. Platelets 2009; 17:354-60. [PMID: 16973495 DOI: 10.1080/09537100600746805] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The antioxidative activity of the polysaccharide extract from Conyza canadensis in blood platelets treated with peroxynitrite (ONOO-) was studied. Peroxynitrite as a strong biological oxidant has toxic effects on blood platelets and induces the oxidation of thiols, carbonylation and nitration of platelet proteins and lipid peroxidation. Therefore, the aim of our study was to assess if the natural extract from herbal plant, Conyza Canadensis, may protect platelet proteins against nitrative and oxidative damage induced by ONOO-. In our study we measured oxidative damage of platelet proteins induced by peroxynitrite and protectory effects of this extract by estimation of the level of carbonyl groups and nitrotyrosine (a marker of platelet protein nitration). We also used cytochrome c reduction method to test the ability of this extract to change O2-* generation in platelets. Moreover, we determined the effects of the extract on blood platelet aggregation induced by ADP. We observed that the extract from Conyza canadensis distinctly reduced oxidation and nitration of proteins in blood platelets treated with ONOO-(0.1mM) and O2-* production in these cells. The extract from Conyza canadensis also inhibited platelet aggregation. The ability of the extract to decrease O2-* generation in blood platelets supports the importance of free radicals in platelet functions, including aggregation process. The present study suggests that the natural polysaccharide extract from Conyza canadensis has antiaggregatory and antioxidative activities, and therefore may be beneficial in the prevention of peroxynitrite-related diseases, such as cardiovascular or inflammatory diseases.
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Affiliation(s)
- Beata Olas
- Department of General Biochemistry, Institute of Biochemistry, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland.
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Wachowicz B, Rywaniak JZ, Nowak P. Apoptotic markers in human blood platelets treated with peroxynitrite. Platelets 2009; 19:624-35. [DOI: 10.1080/09537100802406646] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Abstract
Blood platelets, in analogy to other circulating blood cells, can generate reactive oxygen/nitrogen species (ROS/RNS) that may behave as second messengers and may regulate platelet functions. Accumulating evidence suggest a role of ROS/RNS in platelet activation. On the other hand, an increased production of ROS/RNS causes oxidative stress, and thus, may contribute to the development of different diseases, including vascular complications, inflammatory and psychiatric illnesses. Oxidative stress in platelets leads to chemical changes in a wide range of their components, and platelet proteins may be initial targets of ROS/RNS action. It has been demonstrated that reaction of proteins with ROS/RNS results in the oxidation and nitration of some amino acid residues, formation of aggregates or fragmentation of proteins. In oxidized proteins new carbonyl groups and protein hydroperoxides are also formed. In platelets, low molecular weight thiols such as glutathione (GSH), cysteine and cysteinylglycine and protein thiols may be also target for ROS/RNS action. This review describes the chemical structure and biological activities of reactive nitrogen species, mainly nitric oxide ((*)NO) and peroxynitrite (ONOO(-)) and their effects on blood platelet functions, and the mechanisms involved in their action on platelets.
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Affiliation(s)
- Beata Olas
- Department of General Biochemistry, Institute of Biochemistry, University of Łódź, Banacha 12/16, 90-237 Łódź, Poland.
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Effects of peroxynitrite-induced protein tyrosine nitration on insulin-stimulated tyrosine phosphorylation in HepG2 cells. Mol Cell Biochem 2009; 331:49-57. [DOI: 10.1007/s11010-009-0144-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2009] [Accepted: 04/23/2009] [Indexed: 10/20/2022]
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Kasina S, Rizwani W, Radhika KVN, Singh SS. Nitration of profilin effects its interaction with poly (L-proline) and actin. J Biochem 2009; 138:687-95. [PMID: 16428297 DOI: 10.1093/jb/mvi163] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Profilin from bovine spleen was nitrated with peroxynitrite; immunoblotting and spectrophotometric quantitation of nitrotyrosine residues suggested nitration of a single tyrosine residue in profilin with a stoichiometry of 0.6 mol of nitrotyrosine/mole of profilin. A decrease in the nitrotyrosine immunoreactivity of nitroprofilin during digestion with carboxypeptidase Y indicated that nitrotyrosine is located at the C-terminus of profilin. Nitroprofilin interaction with ligands such as phosphatidylinositol 4,5-bisphosphate, actin and poly (l-proline) was analyzed by monitoring the tryptophan fluorescence. Scatchard plot and binding isotherm data obtained revealed no significant difference in affinity of nitroprofilin to phosphatidylinositol 4,5-bisphosphate (K(d) of 4.8 +/- 0.5 muM for profilin, and K(d) of 5.7 +/- 0.6 muM for nitroprofilin), while poly (l-proline) binding studies revealed a twenty-fold increase in the affinity of profilin to poly (l-proline) upon nitration (K(d) of 21.8 +/- 1.7 muM for profilin, and K(d) of 1.1 +/- 0.1 muM for nitroprofilin). Actin polymerization studies involving pyrene-labeled actin indicated that profilin nitration inhibits the actin sequestering property of profilin. The critical actin monomer concentration (C(c)) was 150 and 250 nM in the presence of nitroprofilin and profilin, respectively. Thus, nitric oxide and free radicals produced under different conditions could alter the functions of profilin through nitration, such as its interaction with actin and poly (l-proline).
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Affiliation(s)
- S Kasina
- Hansen's Life Sciences Research Building, Department of Biological Sciences, Purdue University, West Lafayette, Indiana 47906, USA
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Dietrich-Muszalska A, Olas B. Modifications of blood platelet proteins of patients with schizophrenia. Platelets 2009; 20:90-6. [PMID: 19235050 DOI: 10.1080/09537100802641499] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Oxidative damage to lipids in plasma, blood platelets and neurons in patients with schizophrenia was described. The aim of our present study was to evaluate oxidative/nitrative modifications of blood platelets proteins by measurement the level of biomarkers of oxidative stress such as carbonyl groups, thiol groups and 3-nitrotyrosine in proteins in patients with schizophrenia and compare with a control group. Levels of carbonyl groups and 3-nitrotyrosine residues in platelet proteins were measured by ELISA and competition ELISA, respectively. The method with 5,5'-dithio-bis(2-nitro-benzoic acid) has been used to analyse thiol groups in platelet proteins. We demonstrated for the first time in platelet proteins from patients with schizophrenia a statistically significant increase of the level of biomarkers of oxidative/nitrative stress such as carbonyl groups or 3-nitrotyrosine; in schizophrenic patients the amount of thiol groups in platelet proteins was lower than in platelets from healthy subjects. Our results strongly indicate that in patients with schizophrenia reactive oxygen species and reactive nitrogen species induce not only peroxidation of lipids, but also may stimulate oxidative/nitrative modifications of platelet proteins. The consequence of these modifications may be the alteration of platelet protein structure and function.
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Oxidative/nitrative modification of blood platelet proteins induced by thrombin in vitro. Thromb Res 2009; 123:758-62. [DOI: 10.1016/j.thromres.2008.09.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2008] [Revised: 09/12/2008] [Accepted: 09/30/2008] [Indexed: 11/23/2022]
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Schildknecht S, van der Loo B, Weber K, Tiefenthaler K, Daiber A, Bachschmid MM. Endogenous peroxynitrite modulates PGHS-1-dependent thromboxane A2 formation and aggregation in human platelets. Free Radic Biol Med 2008; 45:512-20. [PMID: 18514074 DOI: 10.1016/j.freeradbiomed.2008.04.042] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2007] [Revised: 04/22/2008] [Accepted: 04/29/2008] [Indexed: 01/22/2023]
Abstract
Aggregation of activated platelets is considerably mediated by the autocrine action of thromboxane A2 (TxA2) which is formed in a prostaglandin endoperoxide H2 synthase-1 (PGHS-1 or COX-1)-dependent manner. The activity of PGHS-1 can be stimulated by peroxides, an effect termed "peroxide tone", that renders PGHS-1 the key regulatory enzyme in the formation of TxA2. Activated platelets release nitric oxide (*NO) and superoxide (O*2) but their interactions with the prostanoid pathway have been controversially discussed in platelet physiology and pathophysiology. The current study demonstrates that endogenously formed peroxynitrite at nanomolar concentrations, originating from the interaction of *NO and *O2, potently activated PGHS-1, which parallels TxA2 formation and aggregation in human platelets. Inhibition of the endogenous formation of either *NO or O*2 resulted in a concentration-dependent decline of PGHS-1 activity, TxA2 release, and aggregation. The concept of peroxynitrite as modulator of TxA2 formation and aggregation explains the interaction of *NO and O*2 with the PGHS pathway and suggests a mechanism by which antioxidants can regulate PGHS-1-dependent platelet aggregation. This may provide a molecular explanation for the clinically observed hyperreactivity of platelets in high-risk patients and serve as a basis for novel therapeutic interventions.
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Affiliation(s)
- Stefan Schildknecht
- Vascular Biology Unit, Boston University School of Medicine, Boston, MA, 02118, USA
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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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Rao R. Oxidative stress-induced disruption of epithelial and endothelial tight junctions. FRONTIERS IN BIOSCIENCE : A JOURNAL AND VIRTUAL LIBRARY 2008; 13:7210-26. [PMID: 18508729 PMCID: PMC6261932 DOI: 10.2741/3223] [Citation(s) in RCA: 199] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Mounting body of evidence indicates that the disruption of epithelial tight junctions and resulting loss of barrier function play a crucial role in the pathogenesis of a variety of gastrointestinal, hepatic, pulmonary, kidney and ocular diseases. Increased production of inflammatory mediators such as cytokines and reactive oxygen species disrupt the epithelial and endothelial barrier function by destabilizing tight junctions. Oxidative stress induced by various reactive oxygen species such as hydrogen peroxide, nitric oxide, peroxynitrite and hypochlorous acid disrupt the epithelial and endothelial tight junctions in various tissues. The mechanism involved in oxidative stress-induced disruption of tight junction includes protein modification such as thiol oxidation, phosphorylation, nitration and carbonylation. The role of signaling molecules such as protein kinases and protein phosphatases in regulation of tight junctions is discussed in this article. Understanding such mechanisms in oxidative stress-induced disruption of epithelial and endothelial barrier functions is likely to provide insight into the pathogenesis of various inflammatory diseases, and may form a basis for the design of treatment strategies for different diseases.
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Affiliation(s)
- Radhakrishna Rao
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN 38163, USA.
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32
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Monteiro HP, Arai RJ, Travassos LR. Protein tyrosine phosphorylation and protein tyrosine nitration in redox signaling. Antioxid Redox Signal 2008; 10:843-89. [PMID: 18220476 DOI: 10.1089/ars.2007.1853] [Citation(s) in RCA: 124] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Reversible phosphorylation of protein tyrosine residues by polypeptide growth factor-receptor protein tyrosine kinases is implicated in the control of fundamental cellular processes including the cell cycle, cell adhesion, and cell survival, as well as cell proliferation and differentiation. During the last decade, it has become apparent that receptor protein tyrosine kinases and the signaling pathways they activate belong to a large signaling network. Such a network can be regulated by various extracellular cues, which include cell adhesion, agonists of G protein-coupled receptors, and oxidants. It is well documented that signaling initiated by receptor protein tyrosine kinases is directly dependent on the intracellular production of oxidants, including reactive oxygen and nitrogen species. Accumulated evidence indicates that the intracellular redox environment plays a major role in the mechanisms underlying the actions of growth factors. Oxidation of cysteine thiols and nitration of tyrosine residues on signaling proteins are described as posttranslational modifications that regulate, positively or negatively, protein tyrosine phosphorylation (PTP). Early observations described the inhibition of PTP activities by oxidants, resulting in increased levels of proteins phosphorylated on tyrosine. Therefore, a redox circuitry involving the increasing production of intracellular oxidants associated with growth-factor stimulation/cell adhesion, oxidative reversible inhibition of protein tyrosine phosphatases, and the activation of protein tyrosine kinases can be delineated.
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Affiliation(s)
- Hugo P Monteiro
- Department of Biochemistry/Molecular Biology and CINTERGEN, Universidade Federal de São Paulo, São Paulo, Brazil.
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33
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Comparative studies of the antioxidant effects of a naturally occurring resveratrol analogue -- trans-3,3',5,5'-tetrahydroxy-4'-methoxystilbene and resveratrol -- against oxidation and nitration of biomolecules in blood platelets. Cell Biol Toxicol 2007; 24:331-40. [PMID: 17992572 DOI: 10.1007/s10565-007-9045-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2007] [Accepted: 10/14/2007] [Indexed: 01/13/2023]
Abstract
The action of two phenolic compounds isolated from the bark of Yucca schidigera: trans-3,3',5,5'-tetrahydroxy-4'-methoxystilbene and its analogue -- resveratrol (trans-3,4',5-trihydroxystilbene, present also in grapes and wine) on oxidative/nitrative stress induced by peroxynitrite (ONOO(-), which is strong physiological oxidant and inflammatory mediator) in human blood platelets was compared. The trans-3,3',5,5'-tetrahydroxy-4'-methoxystilbene, like resveratrol, significantly inhibited protein carbonylation and nitration (measured by enzyme-linked immunosorbent assay method) in the blood platelets treated with peroxynitrite (0.1 mM) and markedly reduced an oxidation of thiol groups of proteins (estimated with 5,5'-dithio-bis(2-nitro-benzoic acid)] or glutathione (measured by high performance liquid chromatography method) in these cells. The trans-3,3',5,5'-tetrahydroxy-4'-methoxystilbene, like resveratrol, also caused a distinct reduction of platelet lipid peroxidation induced by peroxynitrite. The obtained results indicate that in vitro trans-3,3',5,5'-tetrahydroxy-4'-methoxystilbene and resveratrol have very similar protective effects against peroxynitrite-induced oxidative/nitrative damage to the human platelet proteins and lipids. Moreover, trans-3,3',5,5'-tetrahydroxy-4'-methoxystilbene proved to be even more potent than resveratrol in antioxidative tests. We conclude that the novel tested phenolic compound -- trans-3,3',5,5'-tetrahydroxy-4'-methoxystilbene isolated from Y. schidigera bark possessing Generally Recognized As Safe label given by the Food and Drug Administration and allows their human dietary use -- seems to be a promising candidate for future evaluations of its antioxidative activity and may be a good candidate for scavenging peroxynitrite.
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Saluk-Juszczak J, Olas B, Nowak P, Kolodziejczyk J, Wachowicz B, Zgirski A. The Effect of Lipopolysaccharide from Proteus mirabilis on the Level of the Stable End Metabolic Products of Nitric Oxide in Blood Platelets. Curr Microbiol 2007; 54:27-30. [PMID: 17160361 DOI: 10.1007/s00284-006-0230-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2006] [Accepted: 09/06/2006] [Indexed: 11/27/2022]
Abstract
Nitric oxide ((*)NO) plays an important role in a number of physiologic processes. Evidence exists that (*)NO, which stimulates soluble guanylate cyclase and enhances cyclic guanosine monophosphate (cGMP) levels, may inhibit platelet activation. In contrast, during platelet activation induced by different agonists, synthesis of (*)NO in platelets occurs. In these studies, production of the stable end-products of (*)NO-nitrite and nitrate (NO(x)) in human platelets, stimulated by different doses of lipopolysaccharide from Proteus mirabilis (LPS; endotoxin), has been evaluated. LPS is a weak platelet agonist that may activate various steps of platelet activation with the generation of reactive oxygen species. The mechanism of platelet activation induced by the endotoxin is not known. The aim of the present study was to measure the level of nitrite and NO(x) in blood platelets treated with LPS and to examine the level of nitrotyrosine in platelet proteins caused by LPS. Our results show that LPS at a low concentration (6.8 ng/ml) caused a decrease (approximately 80%) in the NO(x) level, whereas at higher concentrations (13.6 and 25 ng/ml) it induced an increase in the NO(x) level (approximately 210% and 260%, respectively). Our results indicate that LPS, like other agonists (thrombin, platelet-activating factor), can stimulate (*)NO production in platelets. After incubating platelets with LPS, we also observed a distinct increase in platelet protein nitration (3-nitrotyrosine).
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Affiliation(s)
- J Saluk-Juszczak
- Department of General Biochemistry, Institute of Biochemistry, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland.
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Abstract
The discovery that mammalian cells have the ability to synthesize the free radical nitric oxide (NO) has stimulated an extraordinary impetus for scientific research in all the fields of biology and medicine. Since its early description as an endothelial-derived relaxing factor, NO has emerged as a fundamental signaling device regulating virtually every critical cellular function, as well as a potent mediator of cellular damage in a wide range of conditions. Recent evidence indicates that most of the cytotoxicity attributed to NO is rather due to peroxynitrite, produced from the diffusion-controlled reaction between NO and another free radical, the superoxide anion. Peroxynitrite interacts with lipids, DNA, and proteins via direct oxidative reactions or via indirect, radical-mediated mechanisms. These reactions trigger cellular responses ranging from subtle modulations of cell signaling to overwhelming oxidative injury, committing cells to necrosis or apoptosis. In vivo, peroxynitrite generation represents a crucial pathogenic mechanism in conditions such as stroke, myocardial infarction, chronic heart failure, diabetes, circulatory shock, chronic inflammatory diseases, cancer, and neurodegenerative disorders. Hence, novel pharmacological strategies aimed at removing peroxynitrite might represent powerful therapeutic tools in the future. Evidence supporting these novel roles of NO and peroxynitrite is presented in detail in this review.
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Affiliation(s)
- Pál Pacher
- Section on Oxidative Stress Tissue Injury, Laboratory of Physiologic Studies, National Institutes of Health, National Institute of Alcohol Abuse and Alcoholism, Bethesda, Maryland, USA.
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Goswami SK, Maulik N, Das DK. Ischemia-reperfusion and cardioprotection: a delicate balance between reactive oxygen species generation and redox homeostasis. Ann Med 2007; 39:275-89. [PMID: 17558599 DOI: 10.1080/07853890701374677] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
Ischemia-reperfusion injury of the myocardium has long been a subject of intense research. Cardiac preconditioning, an associated phenomenon, has also been critically investigated over the past two decades. Although the biochemistry of ischemia-reperfusion and its association with oxidative metabolism has long been established, recent studies have further revealed a more intricate role of a number of reactive oxygen-nitrogen species in those processes. Emerging evidence suggests that an elaborate network of enzymes (and other biomolecules) dedicated to the generation, utilization, and diminution of reactive oxygen-nitrogen species maintains the redox homeostasis in the myocardium, and any perturbation of its status has distinctive effects. It thus appears that while excessive generation of reactive species leads to cellular injury, their regulated generation may cause transient and reversible modifications of cellular proteins leading the transmission of intracellular signals with specific effects. Taken together, generation of reactive oxygen-nitrogen species in the myocardium plays a nodal role in mediating both ischemic injury and cardioprotection.
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Affiliation(s)
- Shyamal K Goswami
- Cardiovascular Research Center, University of Connecticut School of Medicine, Farmington, CT 06030-1110, USA
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Heijnen HFG, van Donselaar E, Slot JW, Fries DM, Blachard-Fillion B, Hodara R, Lightfoot R, Polydoro M, Spielberg D, Thomson L, Regan EA, Crapo J, Ischiropoulos H. Subcellular localization of tyrosine-nitrated proteins is dictated by reactive oxygen species generating enzymes and by proximity to nitric oxide synthase. Free Radic Biol Med 2006; 40:1903-13. [PMID: 16716892 DOI: 10.1016/j.freeradbiomed.2005.09.006] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2005] [Revised: 09/02/2005] [Accepted: 09/02/2005] [Indexed: 10/25/2022]
Abstract
Using high-resolution immuno-electron microscopy the steady-state subcellular distribution of tyrosine-nitrated proteins in different cells and tissues was evaluated. In quiescent eosinophils and neutrophils in the bone marrow intracellular nitrated proteins were mainly restricted to the peroxidase-containing secretory granules. The inducible nitric oxide synthase (iNOS) was expressed in the same granules. Proteins nitrated on tyrosine residues were also abundant in the cytosol of circulating erythrocytes. In the vasculature, nitrated proteins were mainly located in mitochondria and endoplasmic reticulum of the endothelial cells, fibroblasts, and smooth muscle cells. Endogenous nitrated proteins were also found in chondrocytes in cartilage, where it was typically associated with the cytoplasmic interface of the endoplasmic reticulum membrane. Nitrated proteins were also prominent in the peroxisomes of liver hepatocytes and of secretory cells in the lacrimal gland. Challenge of mouse dendritic cells with lipopolysaccharide induced iNOS protein expression in cytosol and peroxisomes and was associated with an increased 3-nitrotyrosine formation in cytosol, mitochondria, and peroxisomes. These data indicate that nitric oxide-dependent protein tyrosine nitration is a physiologically relevant process localized within specific subcellular compartments in close proximity to iNOS and to enzymes capable of peroxidative chemistry and reactive oxygen species production.
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Affiliation(s)
- Harry F G Heijnen
- Thrombosis and Hemostasis Laboratory, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands.
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Marcondes S, Cardoso MHM, Morganti RP, Thomazzi SM, Lilla S, Murad F, De Nucci G, Antunes E. Cyclic GMP-independent mechanisms contribute to the inhibition of platelet adhesion by nitric oxide donor: a role for alpha-actinin nitration. Proc Natl Acad Sci U S A 2006; 103:3434-9. [PMID: 16492779 PMCID: PMC1413892 DOI: 10.1073/pnas.0509397103] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The nitric oxide-mediated actions are mostly due to cyclic GMP (cGMP) formation, but cGMP-independent mechanisms, such as tyrosine nitration, have been suggested as potential signaling pathways modulating the NO-induced responses. However, the mechanisms that lead to tyrosine nitration in platelets are poorly studied, and the protein targets of nitration have not been identified in these cells. Therefore, we have used the model of platelet adhesion to fibrinogen-coated plates to investigate the cGMP-independent mechanisms of the NO-donor sodium nitroprusside (SNP) that leads to inhibition of platelet adhesion. SNP concentration-dependently inhibited platelet adhesion, as observed at 15-min and 60-min adhesion. Additionally, SNP markedly increased the cGMP levels, and the soluble guanylate inhibitor ODQ nearly abolished the SNP-mediated cGMP elevations in all experimental conditions used. Nevertheless, ODQ failed to affect the adhesion inhibition obtained with 1.0 mM SNP at 15 min. On the other hand, superoxide dismutase or peroxynitrite (ONOO(-)) scavenger epigallocatechin gallate significantly reversed the inhibition of platelet adhesion by SNP (1 mM, 15 min). Western blot analysis in SNP (1 mM, 15 min)-treated platelets showed a single tyrosine-nitrated protein with an apparent mass of approximately 105 kDa. Nanospray LC-MS/MS identified the human alpha-actinin 1 cytoskeletal isoform (P12814) as the protein contained in the nitrated SDS gel band. Thus, tyrosine nitration of alpha-actinin, through ONOO(-) formation, may be a key modulatory mechanism to control platelet adhesion.
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Affiliation(s)
- Sisi Marcondes
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas, P.O. Box 6111, 13084-971, Campinas, Brazil
- *To whom correspondence may be addressed. E-mail:
or
| | - Marcia H. M. Cardoso
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas, P.O. Box 6111, 13084-971, Campinas, Brazil
| | - Rafael P. Morganti
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas, P.O. Box 6111, 13084-971, Campinas, Brazil
| | - Sara M. Thomazzi
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas, P.O. Box 6111, 13084-971, Campinas, Brazil
| | - Sergio Lilla
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas, P.O. Box 6111, 13084-971, Campinas, Brazil
| | - Ferid Murad
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas, P.O. Box 6111, 13084-971, Campinas, Brazil
- *To whom correspondence may be addressed. E-mail:
or
| | - Gilberto De Nucci
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas, P.O. Box 6111, 13084-971, Campinas, Brazil
| | - Edson Antunes
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas, P.O. Box 6111, 13084-971, Campinas, Brazil
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Kasina S, Wasia R, Fasim A, Radhika KVN, Singh SS. Phorbol ester mediated activation of inducible nitric oxide synthase results in platelet profilin nitration. Nitric Oxide 2006; 14:65-71. [PMID: 16288977 DOI: 10.1016/j.niox.2005.09.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2005] [Revised: 08/05/2005] [Accepted: 09/27/2005] [Indexed: 01/16/2023]
Abstract
Nitric oxide is an important precursor for peroxynitrite production under in vivo conditions leading to cell injury and cell death. In platelets, a number of cytosolic and actin binding proteins were shown to be nitrated [K.M. Naseem, S.Y. Low, M. Sabetkar, N.J. Bradley, J. Khan, M. Jacobs, K.R. Bruckdorfer, The nitration of platelet cytosolic proteins during agonist-induced activation of platelets. FEBS Lett. 473 (1) (2000) 199-122 and M. Sabetkar, S.Y. Low, K.M. Naseem, K.R. Bruckdorfer, The nitration of proteins in platelets: significance in platelet function, Free Radic. Biol. Med. 33 (6) (2002) 728-736]. We investigated the possible mechanism that regulates profilin (an actin binding protein) nitration in platelets. Activation of bovine platelets with arachidonic acid, thrombin, and phorbol 12,13-dibutyrate resulted in nitration of profilin on tyrosine residue. In vivo profilin nitration showed a four- and eight-fold increase in the presence of thrombin and phorbol 12,13-dibutyrate, respectively. Analysis of nitroprofilin levels in the presence of NOS inhibitors (1400W and EGTA), indicated that profilin nitration in phorbol 12,13-dibutyrate treated platelets is mediated by inducible nitric oxide synthase. Phorbol ester treated platelets exhibited higher levels by inducible nitric oxide synthase (491% over control), while total nitric oxide synthase activity increased by 5% over control. Higher levels of peroxynitrite in platelets treated with phorbol 12,13-dibutyrate indicated that profilin nitration is mediated by peroxynitrite. Increase in phosphatidylinositol 3-kinase (PI 3-kinase) activity in platelets treated with thrombin and phorbol 12,13-dibutyrate indicates that nitration of platelet profilin could be mediated by PI 3-kinase. A decrease in the level of nitroprofilin in PDBu treated platelets in the presence of inducible nitric oxide synthase inhibitor, 1400W, was observed suggesting that profilin nitration is mediated by PI 3-kinase dependent activation of inducible nitric oxide synthase.
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Affiliation(s)
- S Kasina
- Department of Biochemistry, Osmania University, Hyderabad, India [corrected]
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Abstract
Hypercholesterolemia is the dominant risk factor associated with atherothrombotic disorders in the western world. Consequently, much attention has been devoted to defining its role in the pathogenesis of atherosclerosis. It is currently recognized that hypercholesterolemia induces phenotypic changes in the microcirculation that are consistent with oxidative and nitrosative stresses. Superoxide is generated via several cellular systems and, once formed, participates in a number of reactions, yielding various free radicals, such as hydrogen peroxide, peroxynitrite, or oxidized low-density lipoproteins. Once oxidant stress is invoked, characteristic pathophysiologic features ensue, such as platelet activation and lipid peroxidation, which are both involved in the initiation and progression of the atherosclerotic lesions. Thus, therapeutic strategies that act to maintain the normal balance in the oxidant status of the vascular bed may prove effective in reducing the deleterious consequences of hypercholesterolemia.
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Affiliation(s)
- Patrizia Ferroni
- Department of Experimental Medicine and Pathology, University La Sapienza, 00161 Rome, Italy
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Olas B, Nowak P, Kolodziejczyk J, Wachowicz B. The effects of antioxidants on peroxynitrite-induced changes in platelet proteins. Thromb Res 2004; 113:399-406. [PMID: 15226095 DOI: 10.1016/j.thromres.2004.04.002] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2004] [Revised: 03/30/2004] [Accepted: 04/04/2004] [Indexed: 01/13/2023]
Affiliation(s)
- Beata Olas
- Department of General Biochemistry, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland.
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Ischiropoulos H. Biological selectivity and functional aspects of protein tyrosine nitration. Biochem Biophys Res Commun 2003; 305:776-83. [PMID: 12763060 DOI: 10.1016/s0006-291x(03)00814-3] [Citation(s) in RCA: 377] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The formation of nitric oxide in biological systems has led to the discovery of a number of post-translational protein modifications that could regulate protein function or potentially be utilized as transducers of nitric oxide signaling. Principal among the nitric oxide-mediated protein modifications are: the nitric oxide-iron heme binding, the S-nitrosylation of reduced cysteine residues, and the C-nitration of tyrosine and tryptophan residues. With the exception of the nitric oxide binding to heme iron proteins, the other two modifications appear to require secondary reactions of nitric oxide and the formation of nitrogen oxides. The rapid development of analytical and immunological methodologies has allowed for the quantification of S-nitrosylated and C-nitrated proteins in vivo revealing an apparent selectivity and specificity of the proteins modified. This review is primarily focused upon the nitration of tyrosine residues discussing parameters that may govern the in vivo selectivity of protein nitration, and the potential biological significance and clinical relevance of this nitric oxide-mediated protein modification.
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Affiliation(s)
- Harry Ischiropoulos
- Stokes Research Institute, Children's Hospital of Philadelphia, Department of Biochemistry and Biophysics, The University of Pennsylvania, Philadelphia, PA 19104, USA.
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