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Zhang W, Zhang Q, Liu Y, Pei J, Feng N. Novel roles of κ-opioid receptor in myocardial ischemia-reperfusion injury. PeerJ 2024; 12:e17333. [PMID: 38948204 PMCID: PMC11212630 DOI: 10.7717/peerj.17333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 04/12/2024] [Indexed: 07/02/2024] Open
Abstract
Acute heart attack is the primary cause of cardiovascular-related death worldwide. A common treatment is reperfusion of ischemic tissue, which can cause irreversible damage to the myocardium. The number of mitochondria in cardiomyocytes is large, which generate adenosine triphosphate (ATP) to sustain proper cardiac contractile function, and mitochondrial dysfunction plays a crucial role in cell death during myocardial ischemia-reperfusion, leading to an increasing number of studies investigating the impact of mitochondria on ischemia-reperfusion injury. The disarray of mitochondrial dynamics, excessive Ca2+ accumulation, activation of mitochondrial permeable transition pores, swelling of mitochondria, ultimately the death of cardiomyocyte are the consequences of ischemia-reperfusion injury. κ-opioid receptors can alleviate mitochondrial dysfunction, regulate mitochondrial dynamics, mitigate myocardial ischemia-reperfusion injury, exert protective effects on myocardium. The mechanism of κ-OR activation during myocardial ischemia-reperfusion to regulate mitochondrial dynamics and reduce myocardial ischemia-reperfusion injury will be discussed, so as to provide theoretical basis for the protection of ischemic myocardium.
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Affiliation(s)
- Wen Zhang
- Department of Physiology and Pathophysiology, Fouth Military Medical University, Xi’an, Shaanxi, China
- School of Life Science, Northwest University, Xi’an, Shaanxi, China
| | - Qi Zhang
- Graduate School, Dalian Medical University, Dalian, Liaoning, China
| | - Yali Liu
- Department of Physiology and Pathophysiology, Fouth Military Medical University, Xi’an, Shaanxi, China
| | - Jianming Pei
- Department of Physiology and Pathophysiology, Fouth Military Medical University, Xi’an, Shaanxi, China
| | - Na Feng
- Department of Physiology and Pathophysiology, Fouth Military Medical University, Xi’an, Shaanxi, China
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2
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Hejnova L, Hronova A, Drastichova Z, Novotny J. Long-term administration of morphine specifically alters the level of protein expression in different brain regions and affects the redox state. Open Life Sci 2024; 19:20220858. [PMID: 38681734 PMCID: PMC11049758 DOI: 10.1515/biol-2022-0858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 03/06/2024] [Accepted: 03/17/2024] [Indexed: 05/01/2024] Open
Abstract
We investigated the changes in redox state and protein expression in selected parts of the rat brain induced by a 4 week administration of morphine (10 mg/kg/day). We found a significant reduction in lipid peroxidation that mostly persisted for 1 week after morphine withdrawal. Morphine treatment led to a significant increase in complex II in the cerebral cortex (Crt), which was accompanied by increased protein carbonylation, in contrast to the other brain regions studied. Glutathione levels were altered differently in the different brain regions after morphine treatment. Using label-free quantitative proteomic analysis, we found some specific changes in protein expression profiles in the Crt, hippocampus, striatum, and cerebellum on the day after morphine withdrawal and 1 week later. A common feature was the upregulation of anti-apoptotic proteins and dysregulation of the extracellular matrix. Our results indicate that the tested protocol of morphine administration has no significant toxic effect on the rat brain. On the contrary, it led to a decrease in lipid peroxidation and activation of anti-apoptotic proteins. Furthermore, our data suggest that long-term treatment with morphine acts specifically on different brain regions and that a 1 week drug withdrawal is not sufficient to normalize cellular redox state and protein levels.
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Affiliation(s)
- Lucie Hejnova
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Anna Hronova
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Zdenka Drastichova
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Jiri Novotny
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
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3
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Effects of opioid receptor agonist and antagonist medications on electrocardiogram changes and presentation of cardiac arrhythmia: review article. J Interv Card Electrophysiol 2021; 63:471-500. [PMID: 34674120 DOI: 10.1007/s10840-021-01072-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/03/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND/PURPOSE Mortality associated with prescription opioids has significantly increased over the past few decades and is considered a global pandemic. Prescribed opioids can cause cardiac arrhythmias, leading to fatal outcomes and unexpected death, even in the absence of structural cardiac disease. Despite the extent of cardiac toxicity and death associated with these medications, there is limited data to suggest their influences on cardiac electrophysiology and arrhythmias, with the exception of methadone. The goal of our review is to describe the possible mechanisms and to review the different ECG changes and arrhythmias that have been reported. METHODS A literature search was performed using Google Scholar, PubMed, Springer, Ovid, and Science Direct to identify studies that demonstrated the use of prescription opioids leading to electrocardiogram (ECG) changes and cardiac arrhythmias. RESULTS Many of the commonly prescribed opioid medications can uniquely effect the ECG, and can lead to the development of various cardiac arrhythmias. One of the most significant side effects of these drugs is QTc interval prolongation, especially when administered to patients with a baseline risk for QTc prolongation. A prolonged QTc interval can cause lethal torsades de pointes and ventricular fibrillation. Obtaining an ECG at baseline, following a dosage increase, or after switching an opioid medication, is appropriate in patients taking certain prescribed opioids. Opioids are often used first line for the treatment of acute and chronic pain, procedural sedation, medication opioid use disorders, and maintenance therapy. CONCLUSIONS To reduce the risk of cardiac arrhythmias and to improve patient outcomes, consideration of accurate patient selection, concomitant medications, electrolyte monitoring, and vigilant ECG monitoring should be considered.
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Neckář J, Alánová P, Olejníčková V, Papoušek F, Hejnová L, Šilhavý J, Behuliak M, Bencze M, Hrdlička J, Vecka M, Jarkovská D, Švíglerová J, Mistrová E, Štengl M, Novotný J, Ošťádal B, Pravenec M, Kolář F. Excess ischemic tachyarrhythmias trigger protection against myocardial infarction in hypertensive rats. Clin Sci (Lond) 2021; 135:2143-2163. [PMID: 34486670 DOI: 10.1042/cs20210648] [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: 06/22/2021] [Revised: 08/17/2021] [Accepted: 09/03/2021] [Indexed: 11/17/2022]
Abstract
Increased level of C-reactive protein (CRP) is a risk factor for cardiovascular diseases, including myocardial infarction and hypertension. Here, we analyzed the effects of CRP overexpression on cardiac susceptibility to ischemia/reperfusion (I/R) injury in adult spontaneously hypertensive rats (SHR) expressing human CRP transgene (SHR-CRP). Using an in vivo model of coronary artery occlusion, we found that transgenic expression of CRP predisposed SHR-CRP to repeated and prolonged ventricular tachyarrhythmias. Excessive ischemic arrhythmias in SHR-CRP led to a significant reduction in infarct size (IS) compared with SHR. The proarrhythmic phenotype in SHR-CRP was associated with altered heart and plasma eicosanoids, myocardial composition of fatty acids (FAs) in phospholipids, and autonomic nervous system imbalance before ischemia. To explain unexpected IS-limiting effect in SHR-CRP, we performed metabolomic analysis of plasma before and after ischemia. We also determined cardiac ischemic tolerance in hearts subjected to remote ischemic perconditioning (RIPer) and in hearts ex vivo. Acute ischemia in SHR-CRP markedly increased plasma levels of multiple potent cardioprotective molecules that could reduce IS at reperfusion. RIPer provided IS-limiting effect in SHR that was comparable with myocardial infarction observed in naïve SHR-CRP. In hearts ex vivo, IS did not differ between the strains, suggesting that extra-cardiac factors play a crucial role in protection. Our study shows that transgenic expression of human CRP predisposes SHR-CRP to excess ischemic ventricular tachyarrhythmias associated with a drop of pump function that triggers myocardial salvage against lethal I/R injury likely mediated by protective substances released to blood from hypoxic organs and tissue at reperfusion.
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Affiliation(s)
- Jan Neckář
- Laboratory of Developmental Cardiology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
- Centre for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Petra Alánová
- Laboratory of Developmental Cardiology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Veronika Olejníčková
- Laboratory of Developmental Cardiology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
- Institute of Anatomy, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - František Papoušek
- Laboratory of Developmental Cardiology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Lucie Hejnová
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Jan Šilhavý
- Laboratory of Genetics of Model Diseases, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Michal Behuliak
- Laboratory of Experimental Hypertension, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Michal Bencze
- Laboratory of Experimental Hypertension, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Jaroslav Hrdlička
- Laboratory of Developmental Cardiology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Marek Vecka
- 4th Department of Medicine, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Dagmar Jarkovská
- Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Prague, Czech Republic
| | - Jitka Švíglerová
- Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Prague, Czech Republic
| | - Eliška Mistrová
- Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Prague, Czech Republic
| | - Milan Štengl
- Biomedical Centre, Faculty of Medicine in Pilsen, Charles University, Prague, Czech Republic
| | - Jiří Novotný
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Bohuslav Ošťádal
- Laboratory of Developmental Cardiology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - Michal Pravenec
- Laboratory of Genetics of Model Diseases, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - František Kolář
- Laboratory of Developmental Cardiology, Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
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Popov SV, Mukhomedzyanov AV, Tsibulnikov SY, Khaliuli I, Oeltgen PR, Prasad NR, Maslov LN. Activation of Peripheral Opioid Kappa1 Receptor Prevents Cardiac Reperfusion Injury. Physiol Res 2021; 70:523-531. [PMID: 34062075 PMCID: PMC8820547 DOI: 10.33549/physiolres.934646] [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: 01/19/2021] [Accepted: 04/13/2021] [Indexed: 11/25/2022] Open
Abstract
The role of opioid kappa1 and kappa2 receptors in reperfusion cardiac injury was studied. Male Wistar rats were subjected to a 45-min coronary artery occlusion followed by a 120-min reperfusion. Opioid kappa receptor agonists were administered intravenously 5 min before the onset of reperfusion, while opioid receptor antagonists were given 10 min before reperfusion. The average value of the infarct size/area at risk (IS/AAR) ratio was 43 - 48% in untreated rats. Administration of the opioid kappa1 receptor agonist (-)-U-50,488 (1 mg/kg) limited the IS/AAR ratio by 42%. Administration of the opioid kappa receptor agonist ICI 199,441 (0.1 mg/kg) limited the IS/AAR ratio by 41%. The non-selective opioid kappa receptor agonist (+)-U-50,488 (1 mg/kg) with low affinity for opioid kappa receptor, the peripherally acting opioid kappa2 receptor agonist ICI 204,448 (4 mg/kg) and the selective opioid ?2 receptor agonist GR89696 (0.1 mg/kg) had no effect on the IS/AAR ratio. Pretreatment with naltrexone, the peripherally acting opioid receptor antagonist naloxone methiodide, or the selective opioid kappa2 receptor antagonist nor-binaltorphimine completely abolished the infarct-reducing effect of (-)-U-50,488 and ICI 199,441. Pretreatment with the selective opioid ? receptor antagonist TIPP[psi] and the selective opioid µ receptor antagonist CTAP did not alter the infarct reducing effect of (-)-U-50,488 and ICI 199,441. Our study is the first to demonstrate the following: (a) the activation of opioid kappa2 receptor has no effect on cardiac tolerance to reperfusion; (b) peripheral opioid kappa1 receptor stimulation prevents reperfusion cardiac injury; (c) ICI 199,441 administration resulted in an infarct-reducing effect at reperfusion; (e) bradycardia induced by opioid kappa receptor antagonists is not dependent on the occupancy of opioid kappa receptor.
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MESH Headings
- 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer/administration & dosage
- 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer/toxicity
- Administration, Intravenous
- Analgesics, Opioid/administration & dosage
- Analgesics, Opioid/toxicity
- Animals
- Arrhythmias, Cardiac/chemically induced
- Arrhythmias, Cardiac/physiopathology
- Disease Models, Animal
- Heart Rate/drug effects
- Male
- Myocardial Infarction/metabolism
- Myocardial Infarction/pathology
- Myocardial Infarction/prevention & control
- Myocardial Reperfusion Injury/metabolism
- Myocardial Reperfusion Injury/pathology
- Myocardial Reperfusion Injury/prevention & control
- Myocytes, Cardiac/drug effects
- Myocytes, Cardiac/metabolism
- Myocytes, Cardiac/pathology
- Narcotic Antagonists/administration & dosage
- Piperazines/administration & dosage
- Pyrrolidines/administration & dosage
- Pyrrolidines/toxicity
- Rats, Wistar
- Receptors, Opioid, kappa/agonists
- Receptors, Opioid, kappa/metabolism
- Signal Transduction
- Rats
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Affiliation(s)
- S V Popov
- Laboratory of Experimental Cardiology, Cardiology Research Institute, Tomsk National Research Medical Center, the Russian Academy of Sciences, Tomsk, Russia.
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Ujcikova H, Hejnova L, Eckhardt A, Roubalova L, Novotny J, Svoboda P. Impact of three-month morphine withdrawal on rat brain cortex, hippocampus, striatum and cerebellum: proteomic and phosphoproteomic studies. Neurochem Int 2021; 144:104975. [PMID: 33508371 DOI: 10.1016/j.neuint.2021.104975] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 11/25/2020] [Accepted: 01/21/2021] [Indexed: 12/20/2022]
Abstract
Opioid addiction is characterized by compulsive drug seeking and taking behavior, which is thought to result from persistent neuroadaptations. However, there is a lack of information about the changes at both the cellular and molecular levels occurring after cessation of drug administration. The aim of our study was to determine alterations of both phosphoproteome and proteome in selected brain regions of the rats (brain cortex, hippocampus, striatum, and cerebellum) 3 months after cessation of 10-day morphine treatment. Phosphoproteome profiling was performed by Pro-Q® Diamond staining. The gel-based proteomic approach accompanied by label-free quantification (MaxLFQ) was used for characterization of proteome changes. The phosphoproteomic analysis revealed the largest change in the hippocampus (14); only few altered proteins were detected in the forebrain cortex (5), striatum (4), and cerebellum (3). The change of total protein composition, determined by 2D electrophoresis followed by LFQ analysis, identified 22 proteins with significantly altered expression levels in the forebrain cortex, 19 proteins in the hippocampus, 12 in the striatum and 10 in the cerebellum. The majority of altered proteins were functionally related to energy metabolism and cytoskeleton reorganization. As the most important change we regard down-regulation of 14-3-3 proteins in rat cortex and hippocampus. Our findings indicate that i) different parts of the brain respond in a distinct manner to the protracted morphine withdrawal, ii) characterize changes of protein composition in these brain parts, and iii) enlarge the scope of evidence for adaptability and distinct neuroplasticity proceeding in the brain of drug-addicted organism.
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Affiliation(s)
- Hana Ujcikova
- Laboratory of Membrane Receptors, Department of Biomathematics, Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20, Prague 4, Czech Republic.
| | - Lucie Hejnova
- Department of Physiology, Faculty of Science, Charles University, Vinicna 7, 128 43, Prague 2, Czech Republic
| | - Adam Eckhardt
- Laboratory of Translational Metabolism, Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20, Prague 4, Czech Republic
| | - Lenka Roubalova
- Laboratory of Membrane Receptors, Department of Biomathematics, Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20, Prague 4, Czech Republic
| | - Jiri Novotny
- Department of Physiology, Faculty of Science, Charles University, Vinicna 7, 128 43, Prague 2, Czech Republic
| | - Petr Svoboda
- Laboratory of Membrane Receptors, Department of Biomathematics, Institute of Physiology of the Czech Academy of Sciences, Videnska 1083, 142 20, Prague 4, Czech Republic
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7
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Tibenska V, Benesova A, Vebr P, Liptakova A, Hejnová L, Elsnicová B, Drahota Z, Hornikova D, Galatík F, Kolar D, Vybiral S, Alánová P, Novotný J, Kolar F, Novakova O, Zurmanova JM. Gradual cold acclimation induces cardioprotection without affecting β-adrenergic receptor-mediated adenylyl cyclase signaling. J Appl Physiol (1985) 2020; 128:1023-1032. [DOI: 10.1152/japplphysiol.00511.2019] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Novel strategies are needed that can stimulate endogenous signaling pathways to protect the heart from myocardial infarction. The present study tested the hypothesis that appropriate regimen of cold acclimation (CA) may provide a promising approach for improving myocardial resistance to ischemia/reperfusion (I/R) injury without negative side effects. We evaluated myocardial I/R injury, mitochondrial swelling, and β-adrenergic receptor (β-AR)-adenylyl cyclase-mediated signaling. Male Wistar rats were exposed to CA (8°C, 8 h/day for a week, followed by 4 wk at 8°C for 24 h/day), while the recovery group (CAR) was kept at 24°C for an additional 2 wk. The myocardial infarction induced by coronary occlusion for 20 min followed by 3-h reperfusion was reduced from 56% in controls to 30% and 23% after CA and CAR, respectively. In line, the rate of mitochondrial swelling at 200 μM Ca2+ was decreased in both groups. Acute administration of metoprolol decreased infarction in control group and did not affect the CA-elicited cardiprotection. Accordingly, neither β1-AR-Gsα-adenylyl cyclase signaling, stimulated with specific ligands, nor p-PKA/PKA ratios were affected after CA or CAR. Importantly, Western blot and immunofluorescence analyses revealed β2- and β3-AR protein enrichment in membranes in both experimental groups. We conclude that gradual cold acclimation results in a persisting increase of myocardial resistance to I/R injury without hypertension and hypertrophy. The cardioprotective phenotype is associated with unaltered adenylyl cyclase signaling and increased mitochondrial resistance to Ca2+-overload. The potential role of upregulated β2/β3-AR pathways remains to be elucidated. NEW & NOTEWORTHY We present a new model of mild gradual cold acclimation increasing tolerance to myocardial ischemia/reperfusion injury without hypertension and hypertrophy. Cardioprotective phenotype is accompanied by unaltered adenylyl cyclase signaling and increased mitochondrial resistance to Ca2+-overload. The potential role of upregulated β2/β3-adrenoreceptor activation is considered. These findings may stimulate the development of novel preventive and therapeutic strategies against myocardial ischemia/reperfusion injury.
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Affiliation(s)
- V. Tibenska
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - A. Benesova
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - P. Vebr
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - A. Liptakova
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - L. Hejnová
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - B. Elsnicová
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Z. Drahota
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - D. Hornikova
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - F. Galatík
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - D. Kolar
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - S. Vybiral
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - P. Alánová
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - J. Novotný
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
| | - F. Kolar
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - O. Novakova
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
- Institute of Physiology of the Czech Academy of Sciences, Prague, Czech Republic
| | - J. M. Zurmanova
- Department of Physiology, Faculty of Science, Charles University, Prague, Czech Republic
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8
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Rajani SF, Imani A, Faghihi M, Izad M, Kardar GA, Salehi Z. Post-infarct morphine treatment mitigates left ventricular remodeling and dysfunction in a rat model of ischemia-reperfusion. Eur J Pharmacol 2019; 847:61-71. [PMID: 30684466 DOI: 10.1016/j.ejphar.2019.01.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/16/2019] [Accepted: 01/22/2019] [Indexed: 02/07/2023]
Abstract
Following myocardial infarction, the heart undergoes a series of dramatic compensations which may later form a maladaptive picture characterized by ventricular dilation and pump failure. Among several opioid agents, morphine has been shown to confer protection against reperfusion injury and infarct size. Here, we sought to study the cardioprotective effect of post-infarct morphine treatment against left ventricular adverse remodeling. We induced myocardial infarction in male Sprague - Dawley rats by ligating left anterior descending artery and then, treated these animals with three different doses of morphine -0.3, 3 and 10 mg/kg (i.p.). The echocardiographic evaluation depicted improved cardiac performance and lesser chamber dilation in the animals that had received 3 mg/kg of morphine. Next, we studied the effect of 3 mg/kg morphine administration on left ventricular hemodynamics, infarct size, tissue architecture, changes in lung and heart weight, circulating TNF-α level and post-MI mRNA expression of collagen-1, collagen-3, TGF-β, TNF-α, MMP-2 and MMP-9. Five-day morphine administration markedly improved LV function, and also reduced infarct size, myocyte hypertrophy, fibrosis, index of infarct expansion, heart weight and serum TNF-α level. Moreover, morphine alleviated MI-induced increase in wet and dry lung weight. Morphine also altered the mRNA expression of fibrosis-related genes, TNF-α, MMP-2 and MMP-9. In conclusion, post-infarct morphine treatment can mitigate adverse remodeling and cardiac dysfunction after MI. Beside analgesic effect, we may be able to harvest benefits from the antifibrotic and anti-remodeling action of morphine in patients with the acute coronary syndrome.
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Affiliation(s)
- Sulail Fatima Rajani
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Alireza Imani
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Mahdieh Faghihi
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Maryam Izad
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Gholam Ali Kardar
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran; Immunology, Asthma & Allergy Research Institute (IAARI), Tehran, Iran.
| | - Zahra Salehi
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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9
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Nedvedova I, Kolar D, Elsnicova B, Hornikova D, Novotny J, Kalous M, Pravenec M, Neckar J, Kolar F, Zurmanova JM. Mitochondrial genome modulates myocardial Akt/Glut/HK salvage pathway in spontaneously hypertensive rats adapted to chronic hypoxia. Physiol Genomics 2018; 50:532-541. [PMID: 29676955 DOI: 10.1152/physiolgenomics.00040.2017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Recently we have shown that adaptation to continuous normobaric hypoxia (CNH) decreases myocardial ischemia/reperfusion injury in spontaneously hypertensive rats (SHR) and in a conplastic strain (SHR-mtBN). The protective effect was stronger in the latter group characterized by a selective replacement of the SHR mitochondrial genome with that of a more ischemia-resistant Brown Norway strain. The aim of the present study was to examine the possible involvement of the hypoxia inducible factor (HIF)-dependent pathway of the protein kinase B/glucose transporters/hexokinase (Akt/GLUT/HK) in this mitochondrial genome-related difference of the cardioprotective phenotype. Adult male rats were exposed for 3 wk to CNH ([Formula: see text] 0.1). The expression of dominant isoforms of Akt, GLUT, and HK in left ventricular myocardium was determined by real-time RT-PCR and Western blotting. Subcellular localization of GLUTs was assessed by quantitative immunofluorescence. Whereas adaptation to hypoxia markedly upregulated protein expression of HK2, GLUT1, and GLUT4 in both rat strains, Akt2 protein level was significantly increased in SHR-mtBN only. Interestingly, a higher content of HK2 was revealed in the sarcoplasmic reticulum-enriched fraction in SHR-mtBN after CNH. The increased activity of HK determined in the mitochondrial fraction after CNH in both strains suggested an increase of HK association with mitochondria. Interestingly, HIF1a mRNA increased and HIF2a mRNA decreased after CNH, the former effect being more pronounced in SHR-mtBN than in SHR. Pleiotropic effects of upregulated Akt2 along with HK translocation to mitochondria and mitochondria-associated membranes can potentially contribute to a stronger CNH-afforded cardioprotection in SHR-mtBN compared with progenitor SHR.
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Affiliation(s)
- Iveta Nedvedova
- Department of Physiology, Faculty of Science, Charles University , Prague , Czech Republic
| | - David Kolar
- Department of Physiology, Faculty of Science, Charles University , Prague , Czech Republic
| | - Barbara Elsnicova
- Department of Physiology, Faculty of Science, Charles University , Prague , Czech Republic
| | - Daniela Hornikova
- Department of Physiology, Faculty of Science, Charles University , Prague , Czech Republic
| | - Jiri Novotny
- Department of Physiology, Faculty of Science, Charles University , Prague , Czech Republic
| | - Martin Kalous
- Department of Physiology, Faculty of Science, Charles University , Prague , Czech Republic
| | - Michal Pravenec
- Institute of Physiology of the Czech Academy of Sciences , Prague , Czech Republic
| | - Jan Neckar
- Institute of Physiology of the Czech Academy of Sciences , Prague , Czech Republic
| | - Frantisek Kolar
- Institute of Physiology of the Czech Academy of Sciences , Prague , Czech Republic
| | - Jitka M Zurmanova
- Department of Physiology, Faculty of Science, Charles University , Prague , Czech Republic
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10
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Prolonged Morphine Treatment Alters Expression and Plasma Membrane Distribution of β-Adrenergic Receptors and Some Other Components of Their Signaling System in Rat Cerebral Cortex. J Mol Neurosci 2017; 63:364-376. [PMID: 29081032 DOI: 10.1007/s12031-017-0987-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 10/05/2017] [Indexed: 01/15/2023]
Abstract
β-Adrenergic signaling plays an important role in regulating diverse brain functions and alterations in this signaling have been observed in different neuropathological conditions. In this study, we investigated the effect of a 10-day treatment with high doses of morphine (10 mg/kg per day) on major components and functional state of the β-adrenergic receptor (β-AR) signaling system in the rat cerebral cortex. β-ARs were characterized by radioligand binding assays and amounts of various G protein subunits, adenylyl cyclase (AC) isoforms, G protein-coupled receptor kinases (GRKs), and β-arrestin were examined by Western blot analysis. AC activity was determined as a measure of functionality of the signaling system. We also assessed the partitioning of selected signaling proteins between the lipid raft and non-raft fractions prepared from cerebrocortical plasma membranes. Morphine treatment resulted in a significant upregulation of β-ARs, GRK3, and some AC isoforms (AC-I, -II, and -III). There was no change in quantity of G proteins and some other signaling molecules (AC-IV, AC-V/VI, GRK2, GRK5, GRK6, and β-arrestin) compared with controls. Interestingly, morphine exposure caused a partial redistribution of β-ARs, Gsα, Goα, and GRK2 between lipid rafts and bulk plasma membranes. Spatial localization of other signaling molecules within the plasma membrane was not changed. Basal as well as fluoride- and forskolin-stimulated AC activities were not significantly different in membrane preparations from control and morphine-treated animals. However, AC activity stimulated by the beta-AR agonist isoprenaline was markedly increased. This is the first study to demonstrate lipid raft association of key components of the cortical β-AR system and its sensitivity to morphine.
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Maslov LN, Khaliulin I, Oeltgen PR, Naryzhnaya NV, Pei J, Brown SA, Lishmanov YB, Downey JM. Prospects for Creation of Cardioprotective and Antiarrhythmic Drugs Based on Opioid Receptor Agonists. Med Res Rev 2016; 36:871-923. [PMID: 27197922 PMCID: PMC5082499 DOI: 10.1002/med.21395] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2015] [Revised: 03/31/2016] [Accepted: 04/04/2016] [Indexed: 12/19/2022]
Abstract
It has now been demonstrated that the μ, δ1 , δ2 , and κ1 opioid receptor (OR) agonists represent the most promising group of opioids for the creation of drugs enhancing cardiac tolerance to the detrimental effects of ischemia/reperfusion (I/R). Opioids are able to prevent necrosis and apoptosis of cardiomyocytes during I/R and improve cardiac contractility in the reperfusion period. The OR agonists exert an infarct-reducing effect with prophylactic administration and prevent reperfusion-induced cardiomyocyte death when ischemic injury of heart has already occurred; that is, opioids can mimic preconditioning and postconditioning phenomena. Furthermore, opioids are also effective in preventing ischemia-induced arrhythmias.
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Affiliation(s)
| | - Igor Khaliulin
- School of Clinical SciencesUniversity of BristolBristolUK
| | | | | | - Jian‐Ming Pei
- Department of PhysiologyFourth Military Medical UniversityXi'anP. R. China
| | | | - Yury B. Lishmanov
- Research Institute for CardiologyTomskRussia
- National Research Tomsk Polytechnic University634050TomskRussia
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Maruyama D, Hirata N, Tokinaga Y, Kawaguchi R, Yamakage M. Nitrite Reduces Ischemia-Induced Ventricular Arrhythmias by Attenuating Connexin 43 Dephosphorylation in Rats. Anesth Analg 2016; 122:410-7. [DOI: 10.1213/ane.0000000000001063] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Headrick JP, See Hoe LE, Du Toit EF, Peart JN. Opioid receptors and cardioprotection - 'opioidergic conditioning' of the heart. Br J Pharmacol 2015; 172:2026-50. [PMID: 25521834 PMCID: PMC4386979 DOI: 10.1111/bph.13042] [Citation(s) in RCA: 102] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2014] [Revised: 11/18/2014] [Accepted: 12/09/2014] [Indexed: 12/21/2022] Open
Abstract
Ischaemic heart disease (IHD) remains a major cause of morbidity/mortality globally, firmly established in Westernized or 'developed' countries and rising in prevalence in developing nations. Thus, cardioprotective therapies to limit myocardial damage with associated ischaemia-reperfusion (I-R), during infarction or surgical ischaemia, is a very important, although still elusive, clinical goal. The opioid receptor system, encompassing the δ (vas deferens), κ (ketocyclazocine) and μ (morphine) opioid receptors and their endogenous opioid ligands (endorphins, dynorphins, enkephalins), appears as a logical candidate for such exploitation. This regulatory system may orchestrate organism and organ responses to stress, induces mammalian hibernation and associated metabolic protection, triggers powerful adaptive stress resistance in response to ischaemia/hypoxia (preconditioning), and mediates cardiac benefit stemming from physical activity. In addition to direct myocardial actions, central opioid receptor signalling may also enhance the ability of the heart to withstand I-R injury. The δ- and κ-opioid receptors are strongly implicated in cardioprotection across models and species (including anti-infarct and anti-arrhythmic actions), with mixed evidence for μ opioid receptor-dependent protection in animal and human tissues. A small number of clinical trials have provided evidence of cardiac benefit from morphine or remifentanil in cardiopulmonary bypass or coronary angioplasty patients, although further trials of subtype-specific opioid receptor agonists are needed. The precise roles and utility of this GPCR family in healthy and diseased human myocardium, and in mediating central and peripheral survival responses, warrant further investigation, as do the putative negative influences of ageing, IHD co-morbidities, and relevant drugs on opioid receptor signalling and protective responses.
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Affiliation(s)
- John P Headrick
- Heart Foundation Research Centre, Griffith Health Institute Griffith UniversitySouthport, Qld., Australia
| | - Louise E See Hoe
- Heart Foundation Research Centre, Griffith Health Institute Griffith UniversitySouthport, Qld., Australia
| | - Eugene F Du Toit
- Heart Foundation Research Centre, Griffith Health Institute Griffith UniversitySouthport, Qld., Australia
| | - Jason N Peart
- Heart Foundation Research Centre, Griffith Health Institute Griffith UniversitySouthport, Qld., Australia
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Skrabalova J, Drastichova Z, Novotny J. Morphine as a Potential Oxidative Stress-Causing Agent. MINI-REV ORG CHEM 2013; 10:367-372. [PMID: 24376392 PMCID: PMC3871421 DOI: 10.2174/1570193x113106660031] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2013] [Revised: 05/03/2013] [Accepted: 05/03/2013] [Indexed: 12/21/2022]
Abstract
Morphine exhibits important pharmacological effects for which it has been used in medical practice for quite a long time. However, it has a high addictive potential and can be abused. Long-term use of this drug can be connected with some pathological consequences including neurotoxicity and neuronal dysfunction, hepatotoxicity, kidney dysfunction, oxidative stress and apoptosis. Therefore, most studies examining the impact of morphine have been aimed at determining the effects induced by chronic morphine exposure in the brain, liver, cardiovascular system and macrophages. It appears that different tissues may respond to morphine diversely and are distinctly susceptible to oxidative stress and subsequent oxidative damage of biomolecules. Importantly, production of reactive oxygen/nitrogen species induced by morphine, which have been observed under different experimental conditions, can contribute to some pathological processes, degenerative diseases and organ dysfunctions occurring in morphine abusers or morphine-treated patients. This review attempts to provide insights into the possible relationship between morphine actions and oxidative stress.
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Affiliation(s)
- Jitka Skrabalova
- Department of Physiology, Faculty of Science, Charles University in Prague, Czech Republic
| | - Zdenka Drastichova
- Department of Physiology, Faculty of Science, Charles University in Prague, Czech Republic
| | - Jiri Novotny
- Department of Physiology, Faculty of Science, Charles University in Prague, Czech Republic
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Drastichova Z, Skrabalova J, Jedelsky P, Neckar J, Kolar F, Novotny J. Global changes in the rat heart proteome induced by prolonged morphine treatment and withdrawal. PLoS One 2012; 7:e47167. [PMID: 23056601 PMCID: PMC3467212 DOI: 10.1371/journal.pone.0047167] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2012] [Accepted: 09/10/2012] [Indexed: 12/18/2022] Open
Abstract
Morphine belongs among the most commonly used opioids in medical practice due to its strong analgesic effects. However, sustained administration of morphine leads to the development of tolerance and dependence and may cause long-lasting alterations in nervous tissue. Although proteomic approaches enabled to reveal changes in multiple gene expression in the brain as a consequence of morphine treatment, there is lack of information about the effect of this drug on heart tissue. Here we studied the effect of 10-day morphine exposure and subsequent drug withdrawal (3 or 6 days) on the rat heart proteome. Using the iTRAQ technique, we identified 541 proteins in the cytosol, 595 proteins in the plasma membrane-enriched fraction and 538 proteins in the mitochondria-enriched fraction derived from the left ventricles. Altogether, the expression levels of 237 proteins were altered by morphine treatment or withdrawal. The majority of changes (58 proteins) occurred in the cytosol after a 3-day abstinence period. Significant alterations were found in the expression of heat shock proteins (HSP27, α-B crystallin, HSP70, HSP10 and HSP60), whose levels were markedly up-regulated after morphine treatment or withdrawal. Besides that morphine exposure up-regulated MAPK p38 (isoform CRA_b) which is a well-known up-stream mediator of phosphorylation and activation of HSP27 and α-B crystallin. Whereas there were no alterations in the levels of proteins involved in oxidative stress, several changes were determined in the levels of pro- and anti-apoptotic proteins. These data provide a complex view on quantitative changes in the cardiac proteome induced by morphine treatment or withdrawal and demonstrate great sensitivity of this organ to morphine.
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Affiliation(s)
- Zdenka Drastichova
- Department of Physiology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - Jitka Skrabalova
- Department of Physiology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - Petr Jedelsky
- Department of Cell Biology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - Jan Neckar
- Department of Developmental Cardiology, Institute of Physiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Frantisek Kolar
- Department of Developmental Cardiology, Institute of Physiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Jiri Novotny
- Department of Physiology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
- * E-mail:
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