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Karimi Afshar S, Rostamzadeh F, Bigdeli MR, Mortazavi Moghadam F. Myrtenol-Loaded Fatty Acid Nanocarriers Protect Rat Brains Against Ischemia-Reperfusion Injury: Antioxidant and Anti-Inflammatory Effects. Chem Biol Drug Des 2024; 104:e14633. [PMID: 39317688 DOI: 10.1111/cbdd.14633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2024] [Revised: 08/28/2024] [Accepted: 09/09/2024] [Indexed: 09/26/2024]
Abstract
This research investigated the preventive effects of myrtenol (MYR), fatty acid nanocarriers (FANC), and myrtenol-loaded FANC (MYR + FANC) on neurological disturbance, stroke volume, the levels of malondialdehyde (MDA), superoxide dismutase (SOD), and tumor necrosis factor-alpha (TNF-α) in the brain with ischemia-reperfusion injuries induced by middle cerebral artery occlusion (MCAO) in rats. Seventy two Wistar male rats were divided into six main groups. The groups were sham, ischemia-reperfusion group (MACO), MACO-MYR (50 mg/kg), MACO-FANC (50 and 100 mg/kg), and MACO-MYR + FANC (50 mg/kg). Stroke volume, neurological deficit scores, and the brain levels of MDA, SOD, and TNF-α were examined with TTC staining, observation, and ELISA, respectively. Pretreatment with MYR, FANC (100 mg/kg), and MYR + FANC reduced the neurological deficit score and cerebral infarction volume. MYR, FANC (100 mg/kg), and MYR + FANC pretreatment increased and decreased brain SOD and MDA levels compared to MACO group, respectively. The TNF-α level decreased in the MYR + FANC group compared to MCAO and MCAO-MYR groups in the brain. The use of FANC (100 mg/kg), MYR, and MYR + FANC has protective effects against oxidative stress and ischemia-reperfusion injury. FANC probably improve the bioavailability of MYR, as MYR+ FANC had more therapeutic effects on the reduction of ischemia-reperfusion injuries, inflammation, and oxidative stress.
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Affiliation(s)
- Shima Karimi Afshar
- Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
- Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Farzaneh Rostamzadeh
- Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Reza Bigdeli
- Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
- Institute for Cognitive and Brain Science, Shahid Beheshti University, Tehran, Iran
| | - Fatemeh Mortazavi Moghadam
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Zhang H, Ramamoorthy A, Rengarajan T, Iyappan P, Alahmadi TA, Wainwright M, Hussein-Al-Ali SH. Immunomodulatory effect of Myrtenol on benzo (a) pyrene-induced lung cancer in Swiss albino mice via modulation of tumor markers, cytokines and inhibition of PCNA expression. J Biochem Mol Toxicol 2024; 38:e23578. [PMID: 37927152 DOI: 10.1002/jbt.23578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/19/2023] [Accepted: 10/20/2023] [Indexed: 11/07/2023]
Abstract
Lung cancer is one of the most common cancers in men. Although many diagnostic and treatment regimens have been followed in the treatment for lung cancer, increasing mortality rate due to lung cancer is depressing and hence requires alternative plant based therapeutics with with less side-effects. Myrtenol exhibits anti-inflammatory and antioxidant properties. Hence we intended to study the effect of Myrtenol on B(a)P-induced lung cancer. Our study showed that B(a)P lowered hematological count, decreased phagocyte and avidity indices, nitroblue tetrazolium (NBT) reduction, levels of immunoglubulins, antioxidant levels, whereas Myrtenol treatment restored them back to normal levels. On the other hand, xenobiotic and liver dysfunction marker enzymes and pro-inflammatory cytokines were elevated on B(a)P exposure, which retuned back to normal by Myrtenol. This study thus describes the immunomodulatory and antioxidant effects of Myrtenol on B[a]P-induced immune destruction.
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Affiliation(s)
- Haoliang Zhang
- Department of Thoracic Surgery, Henan Provincial Chest Hospital, Zhengzhou City, Henan Province, China
| | - Anuradha Ramamoorthy
- Department of Biochemistry, Sengamala Thayaar Educational Trust Women's College (Autonomous) (Affiliated to Bharathidasan University, Tiruchirappalli), Mannargudi, Thiruvarur Dist., Tamil Nadu, India
| | - Thamaraiselvan Rengarajan
- SCIGEN Research and Innovation Pvt. Ltd., Periyar Technology Business Incubator, Thanjavur, Tamil Nadu, India
| | - Petchi Iyappan
- Faculty of Pharmacy and Biomedical Sciences, Mahsa University, Saujana Putra Campus, Saujana Putra, Malaysia
| | - Tahani A Alahmadi
- Department of Pediatrics, College of Medicine and King Khalid University Hospital, King Saud University, Medical City, Riyadh, Saudi Arabia
| | - Milton Wainwright
- Department of Molecular Biology and Biotechnology, University of Sheffield, Sheffield, UK
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3
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Araujo AMD, Cerqueira SVSD, Menezes-Filho JERD, Heimfarth L, Matos KKDOG, Mota KO, Conceição MRDL, Marques LP, Roman-Campos D, Santos-Neto AGD, Albuquerque-Júnior RLCD, Santos VCDO, Vasconcelos CMLD. Naringin improves post-ischemic myocardial injury by activation of K ATP channels. Eur J Pharmacol 2023; 958:176069. [PMID: 37741428 DOI: 10.1016/j.ejphar.2023.176069] [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: 03/28/2023] [Revised: 08/31/2023] [Accepted: 09/19/2023] [Indexed: 09/25/2023]
Abstract
Naringin (NRG) is a flavonoid with recognized cardioprotective effects. Then, it was investigated the cardioprotective mechanisms of NRG against ischemia-reperfusion (I/R) injury. The rats were pretreated for 7 days (v.o.) with NRG (25 mg/kg) or n-acetylcysteine (NAC, 100 mg/kg) and their isolated hearts were subjected to global ischemia (30 min) and reperfusion (60 min). Furthermore, isolated hearts were perfused with 5 μM NRG in the presence of 10 μM glibenclamide (GLI) and subjected to I/R protocol. In healthy ventricular cardiomyocyte, it was evaluated the acute effect of 5 μM NRG on the GLI sensitive current. The results showed that NRG pretreatment restored the cardiac function and electrocardiogram (ECG) alterations induced by I/R injury, decreasing arrhythmia scores and the occurrence of severe arrhythmias. Lactate dehydrogenase and infarct area were decreased while superoxide dismutase (SOD), catalase and citrate synthase activities increased. Expression of SOD CuZn and SOD Mn not was altered. NRG treatment decreased reactive oxygen species (ROS) generation and lipid peroxidation without alter sulfhydryl groups and protein carbonylation. Also, NRG (5 μM) increased the glibenclamide sensitive current in isolated cardiomyocytes. In isolated heart, the cardioprotection of NRG was significantly reduced by GLI. Furthermore, NRG promoted downregulation of Bax expression and Bax/Bcl-2. Histopathological analysis showed that NRG decreased cell edema, cardiomyocytes and nucleus diameter. Thus, NRG has a cardioprotective effect against cardiac I/R injury which is mediated by its antioxidant and antiapoptotic actions and KATP channels activation.
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Affiliation(s)
| | | | | | - Luana Heimfarth
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | | | - Karina Oliveira Mota
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | | | | | - Danilo Roman-Campos
- Department of Biophysics, Federal University of São Paulo, São Paulo, Brazil
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Li X, Ou W, Xie M, Yang J, Li Q, Li T. Nanomedicine-Based Therapeutics for Myocardial Ischemic/Reperfusion Injury. Adv Healthc Mater 2023; 12:e2300161. [PMID: 36971662 DOI: 10.1002/adhm.202300161] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 03/05/2023] [Indexed: 03/29/2023]
Abstract
Myocardial ischemic/reperfusion (IR) injury is a global cardiovascular disease with high mortality and morbidity. Therapeutic interventions for myocardial ischemia involve restoring the occluded coronary artery. However, reactive oxygen species (ROS) inevitably impair the cardiomyocytes during the ischemic and reperfusion phases. Antioxidant therapy holds great promise against myocardial IR injury. The current therapeutic methodologies for ROS scavenging depend predominantly on administering antioxidants. Nevertheless, the intrinsic drawbacks of antioxidants limit their further clinical transformation. The use of nanoplatforms with versatile characteristics greatly benefits drug delivery in myocardial ischemic therapy. Nanoplatform-mediated drug delivery significantly improves drug bioavailability, increases therapeutic index, and reduces systemic toxicity. Nanoplatforms can be specifically and reasonably designed to enhance molecule accumulation at the myocardial site. The present review initially summarizes the mechanism of ROS generation during the process of myocardial ischemia. The understanding of this phenomenon will facilitate the advancement of innovative therapeutic strategies against myocardial IR injury. The latest developments in nanomedicine for treating myocardial ischemic injury are then discussed. Finally, the current challenges and perspectives in antioxidant therapy for myocardial IR injury are addressed.
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Affiliation(s)
- Xi Li
- Department of Anesthesiology, Laboratory of Mitochondria and Metabolism, National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University, Chengdu, 610041, P. R. China
| | - Wei Ou
- Department of Anesthesiology, Laboratory of Mitochondria and Metabolism, National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University, Chengdu, 610041, P. R. China
- Department of Anesthesiology, Nanchong Central Hospital, Nanchong, 637000, P. R. China
| | - Maodi Xie
- Department of Anesthesiology, Laboratory of Mitochondria and Metabolism, National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University, Chengdu, 610041, P. R. China
| | - Jing Yang
- Department of Anesthesiology, Laboratory of Mitochondria and Metabolism, National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University, Chengdu, 610041, P. R. China
| | - Qian Li
- Department of Anesthesiology, Laboratory of Mitochondria and Metabolism, National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University, Chengdu, 610041, P. R. China
| | - Tao Li
- Department of Anesthesiology, Laboratory of Mitochondria and Metabolism, National Clinical Research Center for Geriatrics, West China Hospital of Sichuan University, Chengdu, 610041, P. R. China
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Rhana P, Barros GM, Santos VCDO, Costa AD, Santos DMD, Fernandes-Braga W, Durço AO, Santos MRV, Roman-Campos D, Vasconcelos CMLD, Cruz JS, Souza DS. S-limonene protects the heart in an experimental model of myocardial infarction induced by isoproterenol: Possible involvement of mitochondrial reactive oxygen species. Eur J Pharmacol 2022; 930:175134. [PMID: 35843301 DOI: 10.1016/j.ejphar.2022.175134] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/19/2022] [Accepted: 06/30/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND Myocardial infarction (MI) is associated with high mortality rates, despite the fact that there are therapies available. Importantly, excessive oxidative stress may contribute to ischemia/reperfusion injury leading to death related to MI. In this scenario, naturally occurring antioxidant compounds are an important source of possible therapeutic intervention. Thus, this study sought to elucidate the mechanisms of cardioprotection of s-limonene in an isoproterenol-induced MI animal model. METHODS Wistar rats were treated with 1 mg/kg s-limonene (SL) or 100 mg/kg N-acetylcysteine (NAC, positive control) once, 30 min after isoproterenol-induced MI (applied in two doses with a 24 h interval). The protective effects of SL in the heart were examined via the serum level of creatine kinase myocardial band (CK-MB), electrocardiographic profile, infarct size and histological parameters. Using isolated cardiomyocytes, we also assessed calcium transient amplitude, cytosolic and mitochondrial oxidative stress and the expression of proteins related to oxidative stress. RESULTS SL at a concentration of 1 mg/kg attenuated isoproterenol-induced MI injury, by preventing ST-segment elevation and QTc prolongation in the ECG. SL reduced the infarct size and collagen content in cardiac tissue. At the cellular level, SL prevented increased Ca2+, associated with attenuation of cytosolic and mitochondrial oxidative stress. These changes resulted in a reduction of the oxidized form of Ca2+ Calmodulin-Dependent Kinase II (CaMKII) and restored superoxide dismutase and glutathione peroxidase activity. CONCLUSION Our data show that s-limonene promotes cardioprotection against MI injury, probably through inhibition of increased Ca2+ and attenuation of oxidative stress via CaMKII.
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Affiliation(s)
- Paula Rhana
- Department of Physiology and Membrane Biology, University of California Davis, Davis, USA; Department of Biochemistry and Immunology, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | | | | | - Alexandre Dantas Costa
- Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Danillo Menezes Dos Santos
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Brazil; Health Science Graduate Program, Federal University of Sergipe, Aracaju, Brazil
| | - Weslley Fernandes-Braga
- Department of Biochemistry and Immunology, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Aimée Obolari Durço
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Brazil; Health Science Graduate Program, Federal University of Sergipe, Aracaju, Brazil
| | - Márcio Roberto Viana Santos
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Brazil; Health Science Graduate Program, Federal University of Sergipe, Aracaju, Brazil
| | - Danilo Roman-Campos
- Department of Biophysics, Federal University of São Paulo, São Paulo, Brazil
| | | | - Jader Santos Cruz
- Department of Biochemistry and Immunology, Federal University of Minas Gerais, Belo Horizonte, Brazil.
| | - Diego Santos Souza
- Department of Biophysics, Federal University of São Paulo, São Paulo, Brazil.
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Huang S, Tan Z, Cai J, Wang Z, Tian Y. Myrtenol improves brain damage and promotes angiogenesis in rats with cerebral infarction by activating the ERK1/2 signalling pathway. PHARMACEUTICAL BIOLOGY 2021; 59:584-593. [PMID: 34010584 PMCID: PMC8143630 DOI: 10.1080/13880209.2021.1917626] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
CONTEXT Cerebral ischaemia/reperfusion (I/R) injury has a high disability and fatality worldwide. Myrtenol has protective effects on myocardial I/R injury through antioxidant and anti-apoptotic effects. OBJECTIVE This study investigated the effect of myrtenol on cerebral ischaemia/reperfusion (I/R) injury and the underlying mechanism. MATERIALS AND METHODS Cerebral I/R injury was induced in adult Sprague-Dawley rats by middle cerebral artery occlusion (MCAO) for 90 min. MCAO rats were treated with or without myrtenol (10, 30, or 50 mg/kg/day) or/and U0126 (10 μL) intraperitoneally for 7 days. RESULTS In the present study, myrtenol had no toxicity at concentrations up to 1.3 g/kg. Myrtenol treatment improved neurological function of MCAO rats, with significantly (p < 0.05) improved neurological deficits (4.31 ± 1.29 vs. 0.00) and reduced brain edoema (78.95 ± 2.27% vs. 85.48 ± 1.24%). Myrtenol extenuated brain tissue injury and neuronal apoptosis, with increased Bcl-2 expression (0.48-fold) and decreased Bax expression (2.02-fold) and caspase-3 activity (1.36-fold). Myrtenol promoted angiogenesis in the brain tissues of MCAO rats, which was reflected by increased VEGF (0.86-fold) and FGF2 (0.51-fold). Myrtenol promoted the phosphorylation of MEK1/2 (0.80-fold) and ERK1/2 (0.97-fold) in MCAO rats. U0126, the inhibitor of ERK1/2 pathway, reversed the protective effects of myrtenol on brain tissue damage and angiogenesis in MCAO rats. DISCUSSION AND CONCLUSIONS Myrtenol reduced brain damage and angiogenesis through activating the ERK1/2 signalling pathway, which may provide a novel alternative strategy for preventing cerebral I/R injury. Further in vitro work detailing its mechanism-of-action for improving ischaemic cerebral infarction is needed.
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Affiliation(s)
- Shengming Huang
- Department of Neurology, Luohe Central Hospital, Luohe City, China
| | - Zhanguo Tan
- Department of Neurosurgery, Luohe Central Hospital, Luohe City, China
| | - Jirui Cai
- Department of Cardiology, Luohe Central Hospital, Luohe City, China
| | - Zhiping Wang
- Institute of Urology, Second Hospital of Lanzhou University, Lanzhou, China
| | - Yuejun Tian
- Department of Neurology, Luohe Central Hospital, Luohe City, China
- Institute of Urology, Second Hospital of Lanzhou University, Lanzhou, China
- CONTACT Yuejun Tian Department of Neurology, Luohe Central Hospital, Luohe City462000, China; Institute of Urology, Second Hospital of Lanzhou University, Lanzhou730030, China
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Bihanic C, Lasbleiz A, Regnier M, Petit E, Le Blainvaux P, Grison C. New Sustainable Synthetic Routes to Cyclic Oxyterpenes Using the Ecocatalyst Toolbox. Molecules 2021; 26:7194. [PMID: 34885776 PMCID: PMC8658900 DOI: 10.3390/molecules26237194] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 11/24/2021] [Accepted: 11/25/2021] [Indexed: 11/16/2022] Open
Abstract
Cyclic oxyterpenes are natural products that are mostly used as fragrances, flavours and drugs by the cosmetic, food and pharmaceutical industries. However, only a few cyclic oxyterpenes are accessible via chemical syntheses, which are far from being ecofriendly. We report here the synthesis of six cyclic oxyterpenes derived from ß-pinene while respecting the principles of green and sustainable chemistry. Only natural or biosourced catalysts were used in mild conditions that were optimised for each synthesis. A new generation of ecocatalysts, derived from Mn-rich water lettuce, was prepared via green processes, characterised by MP-AES, XRPD and TEM analyses, and tested in catalysis. The epoxidation of ß-pinene led to the platform molecule, ß-pinene oxide, with a good yield, illustrating the efficacy of the new generation of ecocatalysts. The opening ß-pinene oxide was investigated in green conditions and led to new and regioselective syntheses of myrtenol, 7-hydroxy-α-terpineol and perillyl alcohol. Successive oxidations of perillyl alcohol could be performed using no hazardous oxidant and were controlled using the new generation of ecocatalysts generating perillaldehyde and cuminaldehyde.
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Affiliation(s)
- Camille Bihanic
- Laboratory of Bio-inspirated Chemistry and Ecological Innovations (ChimEco), UMR 5021, CNRS—University of Montpellier Cap Delta, 1682 rue de la Valsière, 34790 Grabels, France; (C.B.); (A.L.); (M.R.)
| | - Arthur Lasbleiz
- Laboratory of Bio-inspirated Chemistry and Ecological Innovations (ChimEco), UMR 5021, CNRS—University of Montpellier Cap Delta, 1682 rue de la Valsière, 34790 Grabels, France; (C.B.); (A.L.); (M.R.)
| | - Morgan Regnier
- Laboratory of Bio-inspirated Chemistry and Ecological Innovations (ChimEco), UMR 5021, CNRS—University of Montpellier Cap Delta, 1682 rue de la Valsière, 34790 Grabels, France; (C.B.); (A.L.); (M.R.)
| | - Eddy Petit
- European Institute of Membrane (IEM), UMR 5635—University of Montpellier 163 rue Auguste Broussonet, 34090 Montpellier, France;
| | | | - Claude Grison
- Laboratory of Bio-inspirated Chemistry and Ecological Innovations (ChimEco), UMR 5021, CNRS—University of Montpellier Cap Delta, 1682 rue de la Valsière, 34790 Grabels, France; (C.B.); (A.L.); (M.R.)
- BioInspir Cap Delta, 1682 rue de la Valsière, 34790 Grabels, France;
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Wei DZ, Li D, Zheng DM, An ZN, Xing XJ, Jiang DW, Mei XF, Liu C. Curcumin Conjugated Gold Nanoclusters as Perspective Therapeutics for Diabetic Cardiomyopathy. Front Chem 2021; 9:763892. [PMID: 34765588 PMCID: PMC8576376 DOI: 10.3389/fchem.2021.763892] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 10/12/2021] [Indexed: 12/23/2022] Open
Abstract
Accumulation of lipids in the myocardium contributes to the development of cardiac dysfunctions and various chronic diseases, such as diabetic cardiomyopathy (DCM). Curcumin (Cur) can relieve lipid accumulation problems, but its efficiency is limited by poor water solubility and biocompatibility. Herein, gold nanoclusters (AuNCs) were used to improve the efficiency of Cur, and the conjugates Curcumin-AuNCs (AuCur) were developed. In the treatment of high-fat-induced myocardial cell damage, we found that AuCur could effectively reduce intracellular lipid accumulation, the increase of reactive oxygen species (ROS), the increase of mitochondrial division, and the increase of apoptosis compared with Cur. AuCur decreased the expression of the peroxisome proliferator-activated receptors-α subtype (PPARα), and the therapeutic effect of AuCur was canceled when the expression of PPARα was enhanced. For the above reasons, AuCur treated the toxic effect of high lipid on cardiomyocytes by regulating PPARα, providing a new idea and method for the treatment of DCM.
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Affiliation(s)
- Dong-Zhuo Wei
- Clinical Discipline of Chinese and Western Integrative Medicine, Liaoning University of Traditional Chinese Medicine, Shenyang, China
| | - Dan Li
- Public Basic Academy, Jinzhou Medical University, Jinzhou, China
| | - Dan-Meng Zheng
- Department of Endocrinology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Zhen-Ni An
- Department of Endocrinology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Xue-Jiao Xing
- Department of Endocrinology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Ding-Wen Jiang
- Department of Endocrinology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Xi-Fan Mei
- Department of Orthopedics, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Chang Liu
- Department of Endocrinology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
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Silva-Martins S, Beserra-Filho JIA, Maria-Macêdo A, Custódio-Silva AC, Soares-Silva B, Silva SP, Lambertucci RH, Silva RH, Dos Santos JR, Gandhi SR, Quintans-Júnior LJ, Ribeiro AM. Myrtenol complexed with β-cyclodextrin ameliorates behavioural deficits and reduces oxidative stress in the reserpine-induced animal model of Parkinsonism. Clin Exp Pharmacol Physiol 2021; 48:1488-1499. [PMID: 34351001 DOI: 10.1111/1440-1681.13563] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 07/29/2021] [Accepted: 07/30/2021] [Indexed: 11/29/2022]
Abstract
Current pharmacological approaches to treat Parkinson's disease have low long-term efficacy and important adverse side effects. The development of new pharmacological therapies has focused on novel plant-derived phytochemicals. The alcoholic monoterpene myrtenol has been isolated from several plant species, and has anxiolytic, analgesic, anti-inflammatory and antioxidant actions. Our study evaluated the neuroprotective potential of myrtenol complexed with β-cyclodextrin (MYR) on a progressive parkinsonism model induced by reserpine (RES) in mice. The complexation with cyclodextrins enhances the pharmacological action of monoterpenes. Male Swiss mice were treated daily with MYR (5 mg/kg, p.o.) and with RES (0.1 mg/kg, s.c.) every other day during 28 days. Behavioural evaluations were conducted across treatment. At the end of the treatment, immunohistochemistry for tyrosine hydroxylase (TH) and oxidative stress parameters were evaluated. Chronic MYR-treatment protected against olfactory sensibility loss, restored short-term memory and decreased RES-induced motor impairments. Moreover, this treatment prevented dopaminergic depletion and reduced the oxidative status index in the dorsal striatum. Therefore, MYR ameliorated motor and non-motor impairments in the progressive animal model of parkinsonism, possibly by an antioxidant action. Additional research is needed to investigate the mechanisms involved in this neuroprotective effect.
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Affiliation(s)
| | | | - Amanda Maria-Macêdo
- Departament of Biosciences, Universidade Federal de São Paulo, Santos, Brazil
| | | | | | - Sara Pereira Silva
- Departament of Biosciences, Universidade Federal de São Paulo, Santos, Brazil
| | | | - Regina Helena Silva
- Departament of Pharmacology, Universidade Federal de São Paulo, São Paulo, Brazil
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Feitosa LADS, Carvalho JDS, Dantas CO, de Souza DS, de Vasconcelos CML, Miguel-Dos-Santos R, Lauton-Santos S, Quíntans-Júnior LJ, Santos MRV, de Santana-Filho VJ, Barreto AS. Resistance training improves cardiac function and cardiovascular autonomic control in doxorubicin-induced cardiotoxicity. Cardiovasc Toxicol 2021; 21:365-374. [PMID: 33387253 DOI: 10.1007/s12012-020-09627-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 12/14/2020] [Indexed: 02/02/2023]
Abstract
Doxorubicin (DOX) is an anticancer chemotherapy drug that is widely used in clinical practice. It is well documented that DOX impairs baroreflex responsiveness and left ventricular function and enhances sympathetic activity, cardiac sympathetic afferent reflexes and oxidative stress, which contribute to hemodynamic deterioration. Because resistance training (RT)-induced cardioprotection has been observed in other animal models, the objective of this study was to assess the effects of RT during DOX treatment on hemodynamics, arterial baroreflex, cardiac autonomic tone, left ventricular function and oxidative stress in rats with DOX-induced cardiotoxicity. Male Wistar rats were submitted to a RT protocol (3 sets of 10 repetitions, 40% of one-repetition maximum (1RM) of intensity, 3 times per week, for 8 weeks). The rats were separated into 3 groups: sedentary control, DOX sedentary (2.5 mg/kg of DOX intraperitoneal injection, once a week, for 6 weeks) and DOX + RT. After training or time control, the animals were anesthetized and 2 catheters were implanted for hemodynamic, arterial baroreflex and cardiac autonomic tone. Another group of animals was used to evaluate left ventricular function. We found that RT in DOX-treated rats decreased diastolic arterial pressure, heart rate, sympathetic tone and oxidative stress. In addition, RT increased arterial baroreflex sensitivity, vagal tone and left ventricular developed pressure in rats with DOX-induced cardiotoxicity. In summary, RT is a useful non-pharmacological strategy to attenuate DOX-induced cardiotoxicity.
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Affiliation(s)
| | | | - Cácia Oliveira Dantas
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | - Diego Santos de Souza
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | | | - Rodrigo Miguel-Dos-Santos
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
- Cardiac Exercise Research Group, Department of Circulation and Medical Imaging, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Sandra Lauton-Santos
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Sergipe, Brazil
| | | | | | | | - André Sales Barreto
- Department of Health Education, Federal University of Sergipe, Lagarto, Sergipe, Brazil
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Miguel-Dos-Santos R, Santos JFD, Macedo FN, Marçal AC, Santana Filho VJ, Wichi RB, Lauton-Santos S. Strength Training Reduces Cardiac and Renal Oxidative Stress in Rats with Renovascular Hypertension. Arq Bras Cardiol 2021; 116:4-11. [PMID: 33566958 PMCID: PMC8159508 DOI: 10.36660/abc.20190391] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 11/26/2019] [Indexed: 01/27/2023] Open
Abstract
Fundamento O treino de força tem efeitos benéficos em doenças renais, além de ajudar a melhorar a defesa antioxidante em animais saudáveis. Objetivo Verificar se o treino de força reduz o dano oxidativo ao coração e rim contralateral para cirurgia de indução de hipertensão renovascular, bem como avaliar as alterações na atividade das enzimas antioxidantes endógenas superóxido dismutase (SOD), catalase (CAT) e glutationa peroxidase (GPx). Métodos Dezoito ratos machos foram divididos em três grupos (n=6/grupo): placebo, hipertenso e hipertenso treinado. Os animais foram induzidos a hipertensão renovascular através da ligação da artéria renal esquerda. O treino de força foi iniciado quatro semanas após a indução da hipertensão renovascular, teve 12 semanas de duração e foi realizada a 70% de 1RM. Depois do período de treino, os animais foram submetidos a eutanásia e o rim esquerdo e o coração foram retirados para realizar a quantificação de peróxidos de hidrogênio, malondialdeído e grupos sulfidrílicos, que são marcadores de danos oxidativos. Além disso, foram medidas as atividades das enzimas antioxidantes superóxido dismutase, catalase e glutationa peroxidase. O nível de significância adotado foi de 5% (p < 0,05). Resultados Depois do treino de força, houve redução de danos oxidativos a lipídios e proteínas, como pode-se observar pela redução de peróxidos de hidrogênio e níveis sulfidrílicos totais, respectivamente. Além disso, houve um aumento nas atividades das enzimas antioxidantes superóxido dismutase, catalase e glutationa peroxidase. Conclusão O treino de força tem o potencial de reduzir danos oxidativos, aumentando a atividades de enzimas antioxidantes. (Arq Bras Cardiol. 2021; 116(1):4-11)
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Affiliation(s)
- Rodrigo Miguel-Dos-Santos
- Norwegian University of Science and Technology - Cardiac Exercise Reserch Group, Department of Circulation and Medical Imaging, Trondheim - Noruega.,Programa de Pós-Graduação em Educação Física, Universidade Federal de Sergipe, São Cristóvão, SE - Brasil.,Programa de Pós-Graduação em Ciências Fisiológicas, Universidade Federal de Sergipe, São Cristóvão, SE - Brasil
| | | | - Fabricio Nunes Macedo
- Programa de Pós-Graduação em Ciências Fisiológicas, Universidade Federal de Sergipe, São Cristóvão, SE - Brasil.,Departamento de Educação Física, Centro Universitário Estácio de Sergipe, Aracaju, SE - Brasil
| | - Anderson Carlos Marçal
- Programa de Pós-Graduação em Educação Física, Universidade Federal de Sergipe, São Cristóvão, SE - Brasil.,Departamento de Morfologia da Universidade Federal de Sergipe, São Cristóvão, SE - Brasil
| | - Valter J Santana Filho
- Programa de Pós-Graduação em Ciências Fisiológicas, Universidade Federal de Sergipe, São Cristóvão, SE - Brasil.,Programa de Pós-Graduação em Medicina, Universidade Federal de Sergipe, São Cristóvão, SE - Brasil
| | - Rogerio Brandão Wichi
- Programa de Pós-Graduação em Educação Física, Universidade Federal de Sergipe, São Cristóvão, SE - Brasil
| | - Sandra Lauton-Santos
- Programa de Pós-Graduação em Ciências Fisiológicas, Universidade Federal de Sergipe, São Cristóvão, SE - Brasil.,Programa de Pós-Graduação em Medicina, Universidade Federal de Sergipe, São Cristóvão, SE - Brasil
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12
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Barancik M, Kura B, LeBaron TW, Bolli R, Buday J, Slezak J. Molecular and Cellular Mechanisms Associated with Effects of Molecular Hydrogen in Cardiovascular and Central Nervous Systems. Antioxidants (Basel) 2020; 9:antiox9121281. [PMID: 33333951 PMCID: PMC7765453 DOI: 10.3390/antiox9121281] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/12/2020] [Accepted: 12/13/2020] [Indexed: 02/06/2023] Open
Abstract
The increased production of reactive oxygen species and oxidative stress are important factors contributing to the development of diseases of the cardiovascular and central nervous systems. Molecular hydrogen is recognized as an emerging therapeutic, and its positive effects in the treatment of pathologies have been documented in both experimental and clinical studies. The therapeutic potential of hydrogen is attributed to several major molecular mechanisms. This review focuses on the effects of hydrogen on the cardiovascular and central nervous systems, and summarizes current knowledge about its actions, including the regulation of redox and intracellular signaling, alterations in gene expressions, and modulation of cellular responses (e.g., autophagy, apoptosis, and tissue remodeling). We summarize the functions of hydrogen as a regulator of nuclear factor erythroid 2-related factor 2 (Nrf2)-mediated redox signaling and the association of hydrogen with mitochondria as an important target of its therapeutic action. The antioxidant functions of hydrogen are closely associated with protein kinase signaling pathways, and we discuss possible roles of the phosphoinositide 3-kinase/protein kinase B (PI3K/Akt) and Wnt/β-catenin pathways, which are mediated through glycogen synthase kinase 3β and its involvement in the regulation of cellular apoptosis. Additionally, current knowledge about the role of molecular hydrogen in the modulation of autophagy and matrix metalloproteinases-mediated tissue remodeling, which are other responses to cellular stress, is summarized in this review.
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Affiliation(s)
- Miroslav Barancik
- Centre of Experimental Medicine, Slovak Academy of Sciences, 84104 Bratislava, Slovakia; (M.B.); (B.K.); (T.W.L.)
| | - Branislav Kura
- Centre of Experimental Medicine, Slovak Academy of Sciences, 84104 Bratislava, Slovakia; (M.B.); (B.K.); (T.W.L.)
- Faculty of Medicine, Institute of Physiology, Comenius University in Bratislava, 84215 Bratislava, Slovakia
| | - Tyler W. LeBaron
- Centre of Experimental Medicine, Slovak Academy of Sciences, 84104 Bratislava, Slovakia; (M.B.); (B.K.); (T.W.L.)
- Molecular Hydrogen Institute, Enoch, UT 84721, USA
- Department of Kinesiology and Outdoor Recreation, Southern Utah University, Cedar City, UT 84720, USA
| | - Roberto Bolli
- Department of Medicine, Institute of Molecular Cardiology, University of Louisville, Louisville, KY 40292, USA;
| | - Jozef Buday
- Department of Psychiatry, First Faculty of Medicine, Charles University in Prague and General University Hospital in Prague, 12108 Prague, Czech Republic;
| | - Jan Slezak
- Centre of Experimental Medicine, Slovak Academy of Sciences, 84104 Bratislava, Slovakia; (M.B.); (B.K.); (T.W.L.)
- Correspondence: ; Tel.: +42-19-03-620-181
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13
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Dos Santos PH, Mesquita T, Miguel-Dos-Santos R, de Almeida GKM, de Sá LA, Dos Passos Menezes P, de Souza Araujo AA, Lauton-Santos S. Inclusion complex with β-cyclodextrin is a key determining factor for the cardioprotection induced by usnic acid. Chem Biol Interact 2020; 332:109297. [PMID: 33096055 DOI: 10.1016/j.cbi.2020.109297] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 09/18/2020] [Accepted: 10/19/2020] [Indexed: 11/29/2022]
Abstract
Ischemia-reperfusion (I/R) injury causes oxidative stress, leading to severe cardiac dysfunction. Thus, biologically active compounds with antioxidant properties may be viewed as a promising therapeutic strategy against oxidative-related cardiac disorders. Usnic acid (UA), a natural antioxidant, was complexed with β-cyclodextrin (βCD) to improve its bioavailability. Wistar male rats were orally treated with the free form of UA (50 mg/kg) or the inclusion complex UA/βCD (50 mg/kg) for seven consecutive days. Afterward, hearts were subjected to I/R injury, and the cardiac contractility, rhythmicity, infarct size, and antioxidant enzyme activities were evaluated. Here, we show that neither UA nor UA/βCD treatments developed signs of toxicity. After I/R injury, animals treated with UA/βCD showed improved post-ischemic cardiac functional recovery while the release of cell injury biomarkers decreased. Following reduced cardiac damage, a lower incidence of ventricular arrhythmias and smaller myocardial infarct size were associated with reduced lipid peroxidation, along with preserved activity of antioxidant enzymes compared to untreated rats. Surprisingly, uncomplexed UA did not protect hearts against IR injury. Altogether, our results indicate that the inclusion complex UA/βCD is a critical determining factor responsible for the cardioprotection action of UA, suggesting the involvement of an antioxidant-dependent mechanisms. Moreover, our findings support that UA/βCD is a structurally engineered compound with active cardioprotective properties.
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Affiliation(s)
- Péligris Henrique Dos Santos
- Department of Physiology, Biological Sciences and Health Center, Federal University of Sergipe, São Cristóvão, Brazil
| | - Thassio Mesquita
- Cedars-Sinai Medical Center, Smidt Heart Institute, Los Angeles, United States.
| | - Rodrigo Miguel-Dos-Santos
- Department of Physiology, Biological Sciences and Health Center, Federal University of Sergipe, São Cristóvão, Brazil; Cardiac Exercise Research Group (CERG), Department of Circulation and Medical Imaging, St. Olav's Hospital, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Grace Kelly Melo de Almeida
- Department of Physiology, Biological Sciences and Health Center, Federal University of Sergipe, São Cristóvão, Brazil
| | - Lucas Andrade de Sá
- Department of Physiology, Biological Sciences and Health Center, Federal University of Sergipe, São Cristóvão, Brazil
| | - Paula Dos Passos Menezes
- Department of Pharmacy, Biological Sciences and Health Center, Federal University of Sergipe, São Cristóvão, Brazil
| | | | - Sandra Lauton-Santos
- Department of Physiology, Biological Sciences and Health Center, Federal University of Sergipe, São Cristóvão, Brazil.
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14
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Souza DS, Barreto TDO, Menezes-Filho JERD, Heimfarth L, Rhana P, Rabelo TK, Santana MNS, Durço AO, Conceição MRDL, Quintans-Júnior LJ, Guimarães AG, Cruz JS, Vasconcelos CMLD. Myocardial hypertrophy is prevented by farnesol through oxidative stress and ERK1/2 signaling pathways. Eur J Pharmacol 2020; 887:173583. [DOI: 10.1016/j.ejphar.2020.173583] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 09/14/2020] [Accepted: 09/15/2020] [Indexed: 12/23/2022]
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15
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de Almeida GKM, Jesus ICGD, Mesquita T, Miguel-Dos-Santos R, Dos Santos PH, de Moraes ER, Lauton-Santos S. Post-ischemic reperfusion with diosmin attenuates myocardial injury through a nitric oxidase synthase-dependent mechanism. Life Sci 2020; 258:118188. [PMID: 32755623 DOI: 10.1016/j.lfs.2020.118188] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/14/2020] [Accepted: 07/29/2020] [Indexed: 11/29/2022]
Affiliation(s)
| | | | - Thassio Mesquita
- Cedars-Sinai Medical Center, Smidt Heart Institute, Los Angeles, United States.
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16
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Macedo FN, Souza DSD, Araújo JEDS, Dantas CO, Miguel-Dos-Santos R, Silva-Filha E, Rabelo TK, Dos Santos RV, Zhang R, Barreto AS, Vasconcelos CMLD, Lauton-Santos S, Santos MRVD, Quintans-Júnior LJ, Santana-Filho VJ, Mesquita TRR. NOX-dependent reactive oxygen species production underlies arrhythmias susceptibility in dexamethasone-treated rats. Free Radic Biol Med 2020; 152:1-7. [PMID: 32147395 DOI: 10.1016/j.freeradbiomed.2020.03.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 03/04/2020] [Indexed: 12/17/2022]
Abstract
Dexamethasone is the most clinically used glucocorticoid with an established role in the treatment of a wide spectrum of inflammatory-related diseases. While the therapeutic actions are well known, dexamethasone treatment causes a number of cardiovascular side effects, which are complex, frequent and, in some cases, clinically unnoticeable. Here, we investigated whether a therapeutic regimen of dexamethasone affects cardiac arrhythmogenesis, focusing on the contribution of Nox-derived reactive oxygen species (ROS). Male Wistar rats were treated with dexamethasone (2 mg/kg, i.p.) for 7 days. Afterward, hemodynamic measurements, autonomic modulation, left ventricular function, cardiac fibrosis, reactive oxygen species (ROS) generation, Nox protein expression, superoxide dismutase (SOD) and catalase activities, and arrhythmias incidence were evaluated. Here, we show that dexamethasone increases blood pressure, associated with enhanced cardiac and vascular sympathetic modulation. Moreover, a marked increase in the cardiac ROS generation was observed, whereas the enhanced SOD activity did not prevent the higher levels of lipid peroxidation in the dexamethasone group. On the other hand, increased cardiac Nox 4 expression and hydrogen peroxide decomposition rate was observed in dexamethasone-treated rats, while Nox 2 remained unchanged. Interestingly, although preserved ventricular contractility and β-adrenergic responsiveness, we found that dexamethasone-treated rats displayed greater interstitial and perivascular fibrosis than control. Surprisingly, despite the absence of arrhythmias at basal condition, we demonstrated, by in vivo and ex vivo approaches, that dexamethasone-treated rats are more susceptible to develop harmful forms of ventricular arrhythmias when challenged with pharmacological drugs or burst pacing-induced arrhythmias. Notably, concomitant treatment with apocynin, an inhibitor of NADPH oxidase, prevented these ectopic ventricular events. Together, our results reveal that hearts become arrhythmogenic during dexamethasone treatment, uncovering the pivotal role of ROS-generating NADPH oxidases for arrhythmias vulnerability.
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Affiliation(s)
- Fabricio Nunes Macedo
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Brazil; Estácio University of Sergipe, Aracaju, Brazil
| | | | | | | | - Rodrigo Miguel-Dos-Santos
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Brazil; Department of Circulation and Medical Imaging, St. Olav's Hospital, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | | | | | - Robervan Vidal Dos Santos
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Brazil; Estácio University of Sergipe, Aracaju, Brazil
| | - Rui Zhang
- Cedars-Sinai Medical Center, Smidt Heart Institute, Los Angeles, United States; Department of Cardiology, Xinhua Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - André Sales Barreto
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Brazil; Department of Health Education, Federal University of Sergipe, Lagarto, Brazil
| | | | | | | | | | | | - Thássio Ricardo Ribeiro Mesquita
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Brazil; Cedars-Sinai Medical Center, Smidt Heart Institute, Los Angeles, United States.
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17
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Zhu N, Li J, Li Y, Zhang Y, Du Q, Hao P, Li J, Cao X, Li L. Berberine Protects Against Simulated Ischemia/Reperfusion Injury-Induced H9C2 Cardiomyocytes Apoptosis In Vitro and Myocardial Ischemia/Reperfusion-Induced Apoptosis In Vivo by Regulating the Mitophagy-Mediated HIF-1α/BNIP3 Pathway. Front Pharmacol 2020; 11:367. [PMID: 32292345 PMCID: PMC7120539 DOI: 10.3389/fphar.2020.00367] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 03/10/2020] [Indexed: 12/28/2022] Open
Abstract
Berberine (BBR) has a variety of pharmacological activities and is widely used in Asian countries. However, the clinical application of BBR still lacks scientific basis, what protective mechanism of BBR against myocardial ischemia-reperfusion injury (MIRI). In vitro experiments, BBR pretreatment regulated autophagy-related protein expression, induced cell proliferation and autophagosome formation, and reduced the mitochondrial membrane potential (ΔΨm) increase in H9C2 cells. In vivo experiments, BBR reduced the myocardial infarct size, decreased cardiomyocyte apoptosis, and markedly decreased myocardial enzyme (CK-MB, LDH, and AST) activity-induced I/R. In addition, upon BNIP3 knockdown, the regulatory effects of BBR on the above indicators were weakened both in H9C2 cells and in vivo. Luciferase reporter and ChIP assays indicated that BBR mediated BNIP3 expression by enhancing the binding of HIF-1α to the BNIP3 promoter. BBR protects against myocardial I/R injury by inducing cardiomyocytes proliferation, inhibiting cardiomyocytes apoptosis, and inducing the mitophagy-mediated HIF-1α/BNIP3 pathway. Thus, BBR may serve as a novel therapeutic drug for myocardial I/R injury.
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Affiliation(s)
- Na Zhu
- Department of Health Management, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, Zhengzhou, China
| | - Jiang Li
- Henan Provincial Research Center of Natural Medicine Extraction and Medical Technology Application Engineering, Zhengzhou Railway Vocational Technical College, Zhengzhou, China
| | - Yongli Li
- Department of Health Management, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, Zhengzhou, China
| | - Yuwei Zhang
- Medical Genetic Institute of Henan Province, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, School of Clinical Medicine, Henan University, Zhengzhou, China
| | - Qiubo Du
- Department of Cardiology, Henan Provincial Key Lab for Control of Coronary Heart Disease, Henan Provincial People's Hospital, Central China Fuwai Hospital, Zhengzhou University People's Hospital, School of Clinical Medicine, Henan University, Zhengzhou, China
| | - Peiyuan Hao
- Department of Cardiology, Henan Provincial Key Lab for Control of Coronary Heart Disease, Henan Provincial People's Hospital, Central China Fuwai Hospital, Zhengzhou University People's Hospital, School of Clinical Medicine, Henan University, Zhengzhou, China
| | - Jinying Li
- Department of Health Management, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, School of Clinical Medicine, Henan University, Zhengzhou, China
| | - Xueming Cao
- Department of Cardiology, Henan Provincial Key Lab for Control of Coronary Heart Disease, Henan Provincial People's Hospital, Central China Fuwai Hospital, Zhengzhou University People's Hospital, School of Clinical Medicine, Henan University, Zhengzhou, China
| | - Li Li
- Department of Scientific Research and Discipline Construction, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Henan University People's Hospital, Zhengzhou, China
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18
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González Arbeláez LF, Ciocci Pardo A, Fantinelli JC, Rojano B, Schinella GR, Mosca SM. Isoespintanol, a monoterpene isolated from oxandra cf xylopioides, ameliorates the myocardial ischemia-reperfusion injury by AKT/PKCε/eNOS-dependent pathways. Naunyn Schmiedebergs Arch Pharmacol 2019; 393:629-638. [PMID: 31776590 DOI: 10.1007/s00210-019-01761-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 11/01/2019] [Indexed: 01/21/2023]
Abstract
PURPOSE To determine the actions of isoespintanol (Isoesp) on post-ischemic myocardial and mitochondrial alterations. METHODS Hearts removed from Wistar rats were perfused by 20 min. After this period, the coronary flow was interrupted by half an hour and re-established during 1 h. In the treated group, Isoesp was administered at the beginning of reperfusion. To assess the participation of ε isoform of protein kinase C (PKCε), protein kinase B (PKB/Akt), and nitric oxide synthase (NOS), hearts were treated with Isoesp plus the respective inhibitors (chelerythrine, wortmannin, and N-nitro-L-arginine methyl ester). Cell death was determined by triphenyl tetrazolium chloride staining technique. Post-ischemic recovery of contractility, oxidative stress, and content of phosphorylated forms of PKCε, Akt, and eNOS were also examined. Mitochondrial state was assessed through the measurement of calcium-mediated response, calcium retention capacity, and mitochondrial potential. RESULTS Isoesp limited cell death, decreased post-ischemic dysfunction and oxidative stress, improved mitochondrial state, and increased the expression of PKCε, Akt, and eNOS phosphorylated. All these beneficial effects achieved by Isoesp were annulled by the inhibitors. CONCLUSION These findings suggest that activation of Akt/eNOS and PKCε signaling pathways are involved in the development of Isoesp-induced cardiac and mitochondria tolerance to ischemia-reperfusion.
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Affiliation(s)
- Luisa F González Arbeláez
- Centro de Investigaciones Cardiovasculares ¨Dr Horacio E. Cingolani¨, CCT-CONICET, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, 60 y 120, 1900, La Plata, Argentina
| | - Alejandro Ciocci Pardo
- Centro de Investigaciones Cardiovasculares ¨Dr Horacio E. Cingolani¨, CCT-CONICET, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, 60 y 120, 1900, La Plata, Argentina
| | - Juliana C Fantinelli
- Centro de Investigaciones Cardiovasculares ¨Dr Horacio E. Cingolani¨, CCT-CONICET, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, 60 y 120, 1900, La Plata, Argentina
| | - Benjamín Rojano
- Laboratorio de Ciencias de los Alimentos, Facultad de Ciencias, Universidad Nacional de Colombia (sede Medellín), Bogotá, Colombia
| | - Guillermo R Schinella
- Facultad de Ciencias Médicas, Universidad Nacional de La Plata CIC-PBA, La Plata, Argentina
| | - Susana M Mosca
- Centro de Investigaciones Cardiovasculares ¨Dr Horacio E. Cingolani¨, CCT-CONICET, Facultad de Ciencias Médicas, Universidad Nacional de La Plata, 60 y 120, 1900, La Plata, Argentina.
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19
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Durço AO, de Souza DS, Heimfarth L, Miguel-Dos-Santos R, Rabelo TK, Oliveira Barreto TD, Rhana P, Santos Santana MN, Braga WF, Santos Cruz JD, Lauton-Santos S, Santana-Filho VJD, Barreto RDSS, Guimarães AG, Alvarez-Leite JI, Quintans Júnior LJ, Vasconcelos CMLD, Santos MRVD, Barreto AS. d-Limonene Ameliorates Myocardial Infarction Injury by Reducing Reactive Oxygen Species and Cell Apoptosis in a Murine Model. JOURNAL OF NATURAL PRODUCTS 2019; 82:3010-3019. [PMID: 31710486 DOI: 10.1021/acs.jnatprod.9b00523] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Myocardial infarction (MI) leads to high mortality, and pharmacological or percutaneous primary interventions do not significantly inhibit ischemia/reperfusion injuries, particularly those caused by oxidative stress. Recently, research groups have evaluated several naturally occurring antioxidant compounds for possible use as therapeutic alternatives to traditional treatments. Studies have demonstrated that d-limonene (DL), a monoterpene of citrus fruits, possesses antioxidant and cardiovascular properties. Thus, this work sought to elucidate the mechanisms of protection of DL in an isoproterenol-induced murine MI model. It was observed that DL (10 μmol) attenuated 40% of the ST elevation, reduced the infarct area, prevented histological alterations, abolished completely oxidative stress damage, restored superoxide dismutase activity, and suppressed pro-apoptotic enzymes. In conclusion, the present study demonstrated that DL produces cardioprotective effects from isoproterenol-induced myocardial infarction in Swiss mice through suppression of apoptosis.
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Affiliation(s)
- Aimée Obolari Durço
- Department of Health Education , Federal University of Sergipe , Lagarto 49100-000 , Brazil
| | - Diego Santos de Souza
- Department of Physiology , Federal University of Sergipe , São Cristovão 49100-000 , Brazil
| | - Luana Heimfarth
- Department of Physiology , Federal University of Sergipe , São Cristovão 49100-000 , Brazil
| | | | - Thallita Kelly Rabelo
- Department of Health Education , Federal University of Sergipe , Lagarto 49100-000 , Brazil
| | - Tatiane de Oliveira Barreto
- Department of Biochemistry and Immunology , Federal University of Minas Gerais , Belo Horizonte 31270-901 , Brazil
| | - Paula Rhana
- Department of Biochemistry and Immunology , Federal University of Minas Gerais , Belo Horizonte 31270-901 , Brazil
| | | | - Weslley Fernandes Braga
- Department of Biochemistry and Immunology , Federal University of Minas Gerais , Belo Horizonte 31270-901 , Brazil
| | - Jader Dos Santos Cruz
- Department of Biochemistry and Immunology , Federal University of Minas Gerais , Belo Horizonte 31270-901 , Brazil
| | - Sandra Lauton-Santos
- Department of Physiology , Federal University of Sergipe , São Cristovão 49100-000 , Brazil
| | | | | | | | | | | | | | | | - André Sales Barreto
- Department of Health Education , Federal University of Sergipe , Lagarto 49100-000 , Brazil
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20
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Souza DSD, Menezes-Filho JERD, Santos-Miranda A, Jesus ICGD, Silva Neto JA, Guatimosim S, Cruz JS, Vasconcelos CMLD. Calcium overload-induced arrhythmia is suppressed by farnesol in rat heart. Eur J Pharmacol 2019; 859:172488. [DOI: 10.1016/j.ejphar.2019.172488] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 06/20/2019] [Accepted: 06/20/2019] [Indexed: 01/01/2023]
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21
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Mesquita TRR, Miguel-dos-Santos R, Jesus ICGD, de Almeida GKM, Fernandes VA, Gomes AAL, Guatimosim S, Martins-Silva L, Ferreira AJ, Capettini LDSA, Pesquero JL, Lauton-Santos S. Ablation of B1- and B2-kinin receptors causes cardiac dysfunction through redox-nitroso unbalance. Life Sci 2019; 228:121-127. [DOI: 10.1016/j.lfs.2019.04.062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 04/24/2019] [Accepted: 04/26/2019] [Indexed: 01/03/2023]
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22
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Zhang J, Wang Y, Bao C, Liu T, Li S, Huang J, Wan Y, Li J. Curcumin‑loaded PEG‑PDLLA nanoparticles for attenuating palmitate‑induced oxidative stress and cardiomyocyte apoptosis through AMPK pathway. Int J Mol Med 2019; 44:672-682. [PMID: 31173176 PMCID: PMC6605976 DOI: 10.3892/ijmm.2019.4228] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Accepted: 06/04/2019] [Indexed: 12/20/2022] Open
Abstract
Curcumin (CUR) has the ability to attenuate oxidative stress in the myocardium and to protect the myocardium from lipotoxic injury owing to its lipid-reducing properties. However, the use of CUR is limited due to its hydrophobicity and instability. In this study, CUR-loaded nanoparticles (CUR NPs) were developed using an amphiphilic copolymer, monomethoxy poly (ethylene glycol)-b-poly (DL-lactide), as a vehicle material. CUR NPs with high drug loading and small size were prepared under optimized conditions. The effects of CUR NPs on palmitate-induced cardiomyocyte injury were investigated and the possible protective mechanism of CUR NPs was also examined. It was found that CUR NPs were able to control the release of CUR and to deliver CUR to H9C2 cells, and they could prevent palmitate-treated H9C2 cells from apoptosis. In addition, CUR NPs could regulate the Bax and Bcl-2 levels of palmitate-treated H9C2 cells back to their respective normal levels. A prospective mechanism for the function of CUR NPs is that they may activate the AMP-activated protein kinase (AMPK)/mammalian target of rapamycin complex-1/p-p70 ribosomal protein S6 kinase signaling pathway, regulate the expression of downstream proteins and resist the palmitate-induced cardiomyocyte injury. Results suggest that CUR NPs can attenuate palmitate-induced oxidative stress in cardiomyocytes and protect cardiomyocytes from apoptosis through the AMPK pathway. In view of the safety and efficiency of these CUR NPs, they have potential for application in protecting the myocardium from lipotoxic injury.
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Affiliation(s)
- Jingyi Zhang
- Hubei Province Key Laboratory on Cardiovascular, Cerebrovascular and Metabolic Disorders, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
| | - Ying Wang
- Changchun People's Hospital, Changchun, Jilin 130021, P.R. China
| | - Cuiyu Bao
- Hubei Province Key Laboratory on Cardiovascular, Cerebrovascular and Metabolic Disorders, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
| | - Tao Liu
- Hubei Province Key Laboratory on Cardiovascular, Cerebrovascular and Metabolic Disorders, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
| | - Shuai Li
- Hubei Province Key Laboratory on Cardiovascular, Cerebrovascular and Metabolic Disorders, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
| | - Jiaxi Huang
- Hubei Province Key Laboratory on Cardiovascular, Cerebrovascular and Metabolic Disorders, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
| | - Ying Wan
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, Hubei 430074, P.R. China
| | - Jing Li
- Hubei Province Key Laboratory on Cardiovascular, Cerebrovascular and Metabolic Disorders, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
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23
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Nerol Attenuates Ouabain-Induced Arrhythmias. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 2019:5935921. [PMID: 30984275 PMCID: PMC6431517 DOI: 10.1155/2019/5935921] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 01/24/2019] [Accepted: 02/07/2019] [Indexed: 12/12/2022]
Abstract
Nerol (C10H18O) is a monoterpene found in many essential oils, such as lemon balm and hop. In this study, we explored the contractile and electrophysiological properties of nerol and demonstrated its antiarrhythmic effects in guinea pig heart preparation. Nerol effects were evaluated on atrial and ventricular tissue contractility, electrocardiogram (ECG), voltage-dependent L-type Ca2+ current (ICa,L), and ouabain-triggered arrhythmias. Overall our results revealed that by increasing concentrations of nerol (from 0.001 to 30 mM) there was a significant decrease in left atrium contractile force. This effect was completely and rapidly reversible after washing out (~ 2 min). Nerol (at 3 mM concentration) decreased the left atrium positive inotropic response evoked by adding up CaCl2 in the extracellular medium. Interestingly, when using a lower concentration of nerol (30 μM), it was not possible to clearly observe any significant ECG signal alterations but a small reduction of ventricular contractility was observed. In addition, 300 μM nerol promoted a significant decrease on the cardiac rate and contractility. Important to note is the fact that in isolated cardiomyocytes, peak ICa,L was reduced by 58.9 ± 6.31% after perfusing 300 μM nerol (n=7, p<0.05). Nerol, at 30 and 300 μM, delayed the time of onset of ouabain-triggered arrhythmias and provoked a decrease in the diastolic tension induced by the presence of ouabain (50 μM). Furthermore, nerol preincubation significantly attenuated arrhythmia severity index without changes in the positive inotropism elicited by ouabain exposure. Taken all together, we may be able to conclude that nerol primarily by reducing Ca2+ influx through L-type Ca2+ channel blockade lessened the severity of ouabain-triggered arrhythmias in mammalian heart.
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Santana MNS, Souza DS, Miguel-Dos-Santos R, Rabelo TK, Vasconcelos CMLD, Navia-Pelaez JM, Jesus ICGD, Silva-Neto JAD, Lauton-Santos S, Capettini LDSA, Guatimosim S, Rogers RG, Santos MRVD, Santana-Filho VJ, Mesquita TRR. Resistance exercise mediates remote ischemic preconditioning by limiting cardiac eNOS uncoupling. J Mol Cell Cardiol 2018; 125:61-72. [PMID: 30339842 DOI: 10.1016/j.yjmcc.2018.10.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 10/10/2018] [Accepted: 10/15/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND Currently viewed as a complementary non-pharmacological intervention for preventing cardiac disorders, long-term aerobic training produces cardioprotection through remote ischemic preconditioning (RIPC) mechanisms. However, RIPC triggered by acute exercise remains poorly understood. Although resistance exercise (RE) has been highly recommended by several public health guidelines, there is no evidence showing that RE mediates RIPC. Hence, we investigated whether RE induces cardiac RIPC through nitric oxide synthase (NOS)-dependent mechanism. METHODS AND RESULTS Acute RE at 40% of the maximal load augmented systemic nitrite levels, associated with increased cardiac eNOS phosphorylation, without affecting nNOS activity. Using an experimental model of myocardial infarction (MI) through ischemia-reperfusion (IR), RE fully prevented the loss of cardiac contractility and the extent of MI size compared to non-exercised (NE) rats. Moreover, RE mitigated aberrant ST-segment and reduced life-threatening arrhythmias induced by IR. Importantly, inhibition of NOS abolished the RE-mediated cardioprotection. After IR, NE rats showed increased cardiac eNOS activity, associated with reduced dimer/monomer ratio. Supporting the pivotal role of eNOS coupling during MI, non-exercised rats displayed a marked generation of reactive oxygen species (ROS) and oxidative-induced carbonylation of proteins, whereas RE prevented these responses. We validated our data demonstrating a restoration of physiological ROS levels in NE + IR cardiac sections treated with BH4, a cofactor oxidatively depleted during eNOS uncoupling, while cardiac ROS generation from exercised rats remained unchanged, suggesting no physiological needs of supplemental eNOS cofactors. CONCLUSION Together, our findings strongly indicate that RE mediates RIPC by limiting eNOS uncoupling and mitigates myocardial IR injury.
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Affiliation(s)
| | - Diego Santos Souza
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Brazil
| | | | | | | | | | | | - Julio Alves da Silva-Neto
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Brazil; Department of Pharmacology, University of São Paulo, São Paulo, Brazil
| | | | | | - Silvia Guatimosim
- Departments of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Russell G Rogers
- Cedars-Sinai Medical Center, Smidt Heart Institute, Los Angeles, United States
| | | | | | - Thássio Ricardo Ribeiro Mesquita
- Department of Physiology, Federal University of Sergipe, São Cristóvão, Brazil; Cedars-Sinai Medical Center, Smidt Heart Institute, Los Angeles, United States.
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