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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: 12] [Impact Index Per Article: 6.0] [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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Shirinzadeh H, Ghalia M, Tascioglu A, Adjali FI, Gunesacar G, Gurer-Orhan H, Suzen S. Bioisosteric modification on melatonin: synthesis of new naphthalene derivatives, in vitro antioxidant activity and cytotoxicity studies. BRAZ J PHARM SCI 2020. [DOI: 10.1590/s2175-97902019000418124] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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Turnbull J. Author response to a Letter to the Editor entitled: Edaravone administration in pivotal clinical study 19 (Authors: Genge, Angela; Brooks, Benjamin). Amyotroph Lateral Scler Frontotemporal Degener 2019; 20:300-302. [DOI: 10.1080/21678421.2019.1582675] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- John Turnbull
- Department of Medicine, McMaster University, Hamilton, ON, Canada
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Broadley KJ, Broadley HD. Non-adrenergic vasoconstriction and vasodilatation of guinea-pig aorta by β-phenylethylamine and amphetamine - Role of nitric oxide determined with L-NAME and NO scavengers. Eur J Pharmacol 2017; 818:198-205. [PMID: 29074414 DOI: 10.1016/j.ejphar.2017.10.038] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 10/19/2017] [Accepted: 10/20/2017] [Indexed: 10/18/2022]
Abstract
Sympathomimetic and trace amines, including β-phenylethylamine (PEA) and amphetamine, increase blood pressure and constrict isolated blood vessels. By convention this is regarded as a sympathomimetic response, however, recent studies suggest trace amine-associated receptor (TAAR) involvement. There is also uncertainty whether these amines also release nitric oxide (NO) causing opposing vasodilatation. These questions were addressed in guinea-pig isolated aorta, a species not previously examined. Guinea-pig aortic rings were set up to measure contractile tension. Cumulative concentration-response curves were constructed for the reference α-adrenoceptor agonist, phenylephrine, PEA or d-amphetamine before and in the presence of vehicles, the α1-adrenoceptor antagonist, prazosin (1µM), the nitric oxide synthase inhibitor, Nω-nitro-L-arginine (L-NAME), or NO scavengers, curcumin and astaxanthin. Prazosin inhibited phenylephrine contractions with low affinity consistent with α1L-adrenoceptors. However, PEA and amphetamine were not antagonised, indicating non-adrenergic responses probably via TAARs. L-NAME potentiated contractions to PEA both in the absence and presence of prazosin, indicating that PEA releases NO to cause underlying opposing vasodilatation, independent of α1-adrenoceptors. L-NAME also potentiated amphetamine and phenylephrine. PEA was potentiated by the NO scavenger astaxanthin but less effectively. Curcumin, an active component of turmeric, however, inhibited PEA. Trace amines therefore constrict blood vessels non-adrenergically with an underlying NO-mediated non-adrenergic vasodilatation. This has implications in the pressor actions of these amines when NO is compromised.
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Affiliation(s)
- Kenneth J Broadley
- Division of Pharmacology, Cardiff School of Pharmacy & Pharmaceutical Sciences, Cardiff University, King Edward Vll Avenue, Cathays Park, Cardiff Wales, CF10 3NB, UK.
| | - Harrison D Broadley
- Division of Pharmacology, Cardiff School of Pharmacy & Pharmaceutical Sciences, Cardiff University, King Edward Vll Avenue, Cathays Park, Cardiff Wales, CF10 3NB, UK
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Sattarinezhad E, Panjehshahin MR, Torabinezhad S, Kamali-Sarvestani E, Farjadian S, Pirsalami F, Moezi L. Protective Effect of Edaravone Against Cyclosporine-Induced Chronic Nephropathy Through Antioxidant and Nitric Oxide Modulating Pathways in Rats. IRANIAN JOURNAL OF MEDICAL SCIENCES 2017; 42:170-178. [PMID: 28360443 PMCID: PMC5366365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Cyclosporine A (CsA) is an immunosuppressant with therapeutic indications in various immunological diseases; however, its use is associated with chronic nephropathy. Oxidative stress has a crucial role in CsA-induced nephrotoxicity. The present study evaluates the protective effect of edaravone on CsA-induced chronic nephropathy and investigates its antioxidant and nitric oxide modulating property. METHODS Male Sprague-Dawley rats (n=66) were distributed into nine groups, including a control (group 1) (n=7). Eight groups received CsA (15 mg/kg) for 28 days while being treated. The groups were categorized as: Group 2: Vehicle (n=10)Groups 3, 4, and 5: Edaravone (1, 5, and 10 mg/kg) (n=7 each)Group 6: Diphenyliodonium chloride, a specific endothelial nitric oxide synthase (eNOS) inhibitor (n=7)Group 7: Aminoguanidine, a specific inducible nitric oxide synthase (iNOS) inhibitor (n=7)Group 8: Edaravone (10 mg/kg) plus diphenyliodonium chloride (n=7)Group 9: Edaravone (10 mg/kg) plus aminoguanidine (n=7) Blood urea nitrogen and serum creatinine levels, malondialdehyde, superoxide dismutase, and glutathione reductase enzyme activities were measured using standard kits. Renal histopathological evaluations and measurements of eNOS and iNOS gene expressions by RT-PCR were also performed. Data were analyzed using one-way analysis of variance (ANOVA) followed by Tukey's test (SPSS software version 18.0). RESULTS Edaravone (10 mg/kg) significantly attenuated CsA-induced oxidative stress, renal dysfunction, and kidney tissue injury. Aminoguanidine improved the renoprotective effect of edaravone. Edaravone reduced the elevated mRNA level of iNOS, but could not alter the level of eNOS mRNA significantly. CONCLUSION Edaravone protects against CsA-induced chronic nephropathy using antioxidant property and probably through inhibiting iNOS gene expression.
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Affiliation(s)
- Elahe Sattarinezhad
- Department of Pharmacology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Simin Torabinezhad
- Nephrology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Shirin Farjadian
- Department of Immunology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Fatema Pirsalami
- Department of Pharmacology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Leila Moezi
- Department of Pharmacology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran,Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran,Correspondence: Leila Moezi, PhD; Department of Pharmacology, School of Medicine, Zand Blvd., Shiraz, Iran. Tel/Fax: +98 71 32307591
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Shirinzadeh H, Ince E, Westwell AD, Gurer-Orhan H, Suzen S. Novel indole-based melatonin analogues substituted with triazole, thiadiazole and carbothioamides: studies on their antioxidant, chemopreventive and cytotoxic activities. J Enzyme Inhib Med Chem 2016; 31:1312-21. [PMID: 26745200 DOI: 10.3109/14756366.2015.1132209] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Melatonin (MLT) is a well-known free-radical scavenger, involving in the prevention of cellular damage that can lead to cancer, ageing and a variety of neurodegenerative diseases. Research on MLT-related compounds has been required to optimise the maximum pharmaceutical activity with the lowest side effects. In our ongoing research, we have synthesized new indole-based MLT analogues as potential antioxidant agents by modifying the MLT molecule. In this study, we build on previous findings, through the synthesis, characterization and in vitro antioxidant profiling of a series of new indole-based MLT analogues which possess triazole, thiadiazole and carbothioamides on the third position on the indole ring. In vitro antioxidant activity was investigated by evaluating their reducing effect against oxidation of a redox sensitive fluorescent probe and their radical scavenging activity was assessed via the DPPH assay. In addition, in vitro cytotoxic effects of newly synthesized compounds were investigated in CHO-K1 cells using the MTT assay.
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Affiliation(s)
- Hanif Shirinzadeh
- a Department of Pharmaceutical Chemistry , Faculty of Pharmacy, Erzincan University , Yalnizbag Yerleskesi , Erzincan , Turkey
| | - Elif Ince
- b Department of Pharmaceutical Toxicology , Faculty of Pharmacy, Ege University , Izmir , Turkey
| | - Andrew D Westwell
- c School of Pharmacy and Pharmaceutical Sciences, Cardiff University , Cardiff , Wales , UK , and
| | - Hande Gurer-Orhan
- b Department of Pharmaceutical Toxicology , Faculty of Pharmacy, Ege University , Izmir , Turkey
| | - Sibel Suzen
- d Department of Pharmaceutical Chemistry , Faculty of Pharmacy, Ankara University , Tandogan , Ankara , Turkey
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Shu X, Keller TCS, Begandt D, Butcher JT, Biwer L, Keller AS, Columbus L, Isakson BE. Endothelial nitric oxide synthase in the microcirculation. Cell Mol Life Sci 2015; 72:4561-75. [PMID: 26390975 PMCID: PMC4628887 DOI: 10.1007/s00018-015-2021-0] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 07/21/2015] [Accepted: 08/11/2015] [Indexed: 02/07/2023]
Abstract
Endothelial nitric oxide synthase (eNOS, NOS3) is responsible for producing nitric oxide (NO)--a key molecule that can directly (or indirectly) act as a vasodilator and anti-inflammatory mediator. In this review, we examine the structural effects of regulation of the eNOS enzyme, including post-translational modifications and subcellular localization. After production, NO diffuses to surrounding cells with a variety of effects. We focus on the physiological role of NO and NO-derived molecules, including microvascular effects on vessel tone and immune response. Regulation of eNOS and NO action is complicated; we address endogenous and exogenous mechanisms of NO regulation with a discussion of pharmacological agents used in clinical and laboratory settings and a proposed role for eNOS in circulating red blood cells.
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Affiliation(s)
- Xiaohong Shu
- College of Pharmacy, Dalian Medical University, Dalian, 116044, China
- Robert M. Berne Cardiovascular Research Center, University of Virginia School of Medicine, P.O. Box 801394, Charlottesville, VA, 22908, USA
| | - T C Stevenson Keller
- Robert M. Berne Cardiovascular Research Center, University of Virginia School of Medicine, P.O. Box 801394, Charlottesville, VA, 22908, USA
- Department of Molecular Physiology and Biophysics, University of Virginia School of Medicine, Charlottesville, USA
| | - Daniela Begandt
- Robert M. Berne Cardiovascular Research Center, University of Virginia School of Medicine, P.O. Box 801394, Charlottesville, VA, 22908, USA
| | - Joshua T Butcher
- Robert M. Berne Cardiovascular Research Center, University of Virginia School of Medicine, P.O. Box 801394, Charlottesville, VA, 22908, USA
| | - Lauren Biwer
- Robert M. Berne Cardiovascular Research Center, University of Virginia School of Medicine, P.O. Box 801394, Charlottesville, VA, 22908, USA
- Department of Molecular Physiology and Biophysics, University of Virginia School of Medicine, Charlottesville, USA
| | - Alexander S Keller
- Robert M. Berne Cardiovascular Research Center, University of Virginia School of Medicine, P.O. Box 801394, Charlottesville, VA, 22908, USA
- Department of Pharmacology, University of Virginia School of Medicine, Charlottesville, USA
| | - Linda Columbus
- Department of Chemistry, University of Virginia, Charlottesville, USA
| | - Brant E Isakson
- Robert M. Berne Cardiovascular Research Center, University of Virginia School of Medicine, P.O. Box 801394, Charlottesville, VA, 22908, USA.
- Department of Molecular Physiology and Biophysics, University of Virginia School of Medicine, Charlottesville, USA.
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Yamashita T, Sato T, Sakamoto K, Ishii H, Yamamoto J. The free-radical scavenger edaravone accelerates thrombolysis with alteplase in an experimental thrombosis model. Thromb Res 2015; 135:1209-13. [PMID: 25908261 DOI: 10.1016/j.thromres.2015.04.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Revised: 04/02/2015] [Accepted: 04/06/2015] [Indexed: 10/23/2022]
Abstract
BACKGROUND AND PURPOSE Reperfusion injury after thrombolytic therapy can have adverse neurologic effects. The free-radical scavenger edaravone is used in combination with the recombinant tissue plasminogen activator alteplase to treat acute ischemic stroke. However, basic investigations of this combination use remain inadequate. Here, we used an in vivo model to investigate the effects of edaravone on alteplase-induced thrombolysis. METHODS Thrombolysis was evaluated by using a He-Ne-laser-induced thrombosis model in rat mesenteric microvessels. Changes in thrombus volume were analyzed with the image analysis software Image-Pro Plus (Media Cybernetics, USA). There were three experimental groups (placebo, alteplase 0.6 mg/kg, alteplase 0.6 mg/kg + edaravone 10.5 mg/kg). Sequential changes (0 to 60 min) in thrombus volume were compared by using a relative optical density method that we had used previously. RESULTS In the placebo group, the thrombus volume at 60 min, reflecting the extent of thrombolysis, was 97.2% ± 5.7% of the initial value. In the alteplase group, thrombus volume decreased to 70.7% ± 4.1% (P<0.01) after 20 min and 14.2% ± 6.6% after 60 min. In the alteplase+edaravone group, thrombus volume decreased to 66.9% ± 7.2% (P<0.001) after 10 min and 10.9% ± 2.3% after 60 min. CONCLUSIONS These results support the hypothesis that edaravone accelerates thrombolysis by alteplase.
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Affiliation(s)
- Tsutomu Yamashita
- Laboratory of Medical Technology, Faculty of Nutrition, Kobe Gakuin University, Kobe, Japan.
| | - Takumi Sato
- Laboratory of Medical Technology, Faculty of Nutrition, Kobe Gakuin University, Kobe, Japan
| | - Kumi Sakamoto
- Laboratory of Medical Technology, Faculty of Nutrition, Kobe Gakuin University, Kobe, Japan
| | - Hiromitsu Ishii
- Laboratory of Medical Technology, Faculty of Nutrition, Kobe Gakuin University, Kobe, Japan
| | - Junichiro Yamamoto
- Laboratory of Medical Technology, Faculty of Nutrition, Kobe Gakuin University, Kobe, Japan
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Selamoglu Talas Z. Propolis reduces oxidative stress inl-NAME-induced hypertension rats. Cell Biochem Funct 2013; 32:150-4. [DOI: 10.1002/cbf.2986] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2013] [Revised: 04/19/2013] [Accepted: 05/15/2013] [Indexed: 01/22/2023]
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