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Nusier M, Alqudah M, Elimban V, Dhalla NS. Modification of ischemia/reperfusion induced infarct size by ischemic preconditioning in hypertrophied hearts. Can J Physiol Pharmacol 2021; 99:218-223. [PMID: 33546576 DOI: 10.1139/cjpp-2020-0400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
This study examined the effects of ischemic preconditioning (IP) on the ischemia/reperfusion (I/R) induced injury in normal and hypertrophied hearts. Cardiac hypertrophy in rabbits was induced by L-thyroxine (0.5 mg/kg/day for 16 days). Hearts with or without IP (3 cycles of 5 min ischemia and 10 min reperfusion) were subjected to I/R (60 min ischemia followed by 60 min reperfusion). IP reduced the I/R-induced infarct size from 68% to 24% and 57% to 33% in the normal and hypertrophied hearts, respectively. Leakage of creatine phosphokinase in the perfusate from the hypertrophied hearts due to I/R was markedly less than that form the normal hearts; IP prevented these changes. Although IP augmented the increase in phosphorylated p38-mitogen-activated protein kinase (p38-MAPK) content due to I/R, this effect was less in the hypertrophied than in the normal heart. These results suggest that reduced cardioprotection by IP of the I/R-induced injury in hypertrophied hearts may be due to reduced activation of p38-MAPK in comparison with normal hearts.
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Affiliation(s)
- Mohamad Nusier
- School of Medicine, Department of Physiology and Biochemistry, Jordan University of Science and Technology, Irbid, Jordan
| | - Mohammad Alqudah
- School of Medicine, Department of Physiology and Biochemistry, Jordan University of Science and Technology, Irbid, Jordan
| | - Vijayan Elimban
- Institute of Cardiovascular Sciences, St. Boniface Hospital, Albrechtsen Research Centre, Department of Physiology and Pathophysiology, Max Rady College of Medicine, University of Manitoba, Winnipeg, Canada
| | - Naranjan S Dhalla
- Institute of Cardiovascular Sciences, St. Boniface Hospital, Albrechtsen Research Centre, Department of Physiology and Pathophysiology, Max Rady College of Medicine, University of Manitoba, Winnipeg, Canada
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Boardman NT, Falck AT, Lund T, Chu X, Martin-Armas M, Norvik JV, Jenssen TG, Ytrehus K. Human concentrations of uric acid scavenges adaptive and maladaptive reactive oxygen species in isolated rat hearts subjected to ischemic stress. Can J Physiol Pharmacol 2019; 98:139-146. [PMID: 31518503 DOI: 10.1139/cjpp-2019-0024] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Uric acid is a purine degradation product but also an important antioxidant and reactive oxygen species (ROS) scavenger. Experimental settings that mimic myocardial ischemia-reperfusion have not included uric acid despite that it is always present in human extracellular fluid and plasma. We hypothesized that uric acid has an important role in myocardial ROS scavenging. Here, we tested the cardiac response to uric acid on infarct size following ischemia-reperfusion with and without exacerbated oxidative stress due to acute pressure overload and during preconditioning. We also examined mitochondrial respiration and ROS-induced mitochondrial permeability transition pore opening. Under exacerbated ROS stress induced by high-pressure perfusion, uric acid lowered oxidative stress and reduced infarct size. In contrast, uric acid blocked cardioprotection induced by ischemic preconditioning. However, this effect was reversed by probenecid, an inhibitor of cellular uptake of uric acid. In accordance, in intact cardiomyocytes, extracellular uric acid reduced the susceptibility of mitochondria towards opening of the permeability transition pore, suggesting that uric acid may prevent ischemia-reperfusion injury due to scavenging of maladaptive ROS. Moreover, as uric acid also scavenges adaptive ROS, this may interfere with preconditioning. Altogether, uric acid might be a confounder when translating preclinical experimental results into clinical treatment.
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Affiliation(s)
- Neoma T Boardman
- Cardiovascular Research Group, Department of Medical Biology, UiT-Arctic University of Norway, Tromsø, Norway
| | - Aleksander Tank Falck
- Cardiovascular Research Group, Department of Medical Biology, UiT-Arctic University of Norway, Tromsø, Norway
| | - Trine Lund
- Cardiovascular Research Group, Department of Medical Biology, UiT-Arctic University of Norway, Tromsø, Norway
| | - Xi Chu
- Cardiovascular Research Group, Department of Medical Biology, UiT-Arctic University of Norway, Tromsø, Norway
| | - Montserrat Martin-Armas
- Cardiovascular Research Group, Department of Medical Biology, UiT-Arctic University of Norway, Tromsø, Norway
| | - Jon V Norvik
- Cardiovascular Research Group, Department of Medical Biology, UiT-Arctic University of Norway, Tromsø, Norway.,Metabolic and Renal Research Group, Department of Clinical Medicine, UiT-Arctic University of Norway, Tromsø, Norway
| | - Trond G Jenssen
- Metabolic and Renal Research Group, Department of Clinical Medicine, UiT-Arctic University of Norway, Tromsø, Norway.,Department of Organ Transplantation, Section of Nephrology, Oslo University Hospital, Oslo, Norway
| | - Kirsti Ytrehus
- Cardiovascular Research Group, Department of Medical Biology, UiT-Arctic University of Norway, Tromsø, Norway
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Adameova A, Hrdlicka J, Szobi A, Farkasova V, Kopaskova K, Murarikova M, Neckar J, Kolar F, Ravingerova T, Dhalla NS. Evidence of necroptosis in hearts subjected to various forms of ischemic insults. Can J Physiol Pharmacol 2017; 95:1163-1169. [PMID: 28472590 DOI: 10.1139/cjpp-2016-0609] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Long-lasting ischemia can result in cell loss; however, repeated episodes of brief ischemia increase the resistance of the heart against deleterious effects of subsequent prolonged ischemic insult and promote cell survival. Traditionally, it is believed that the supply of blood to the ischemic heart is associated with release of cytokines, activation of inflammatory response, and induction of necrotic cell death. In the past few years, this paradigm of passive necrosis as an uncontrolled cell death has been re-examined and the existence of a strictly regulated form of necrotic cell death, necroptosis, has been documented. This controlled cell death modality, resembling all morphological features of necrosis, has been investigated in different types of ischemia-associated heart injuries. The process of necroptosis has been found to be dependent on the activation of RIP1-RIP3-MLKL axis, which induces changes leading to the rupture of cell membrane. This pathway is activated by TNF-α, which has also been implicated in the cardioprotective signaling pathway of ischemic preconditioning. Thus, this review is intended to describe the TNF-α-mediated signaling leading to either cell survival or necroptotic cell death. In addition, some experimental data suggesting a link between heart dysfunction and the cellular loss due to necroptosis are discussed in various conditions of myocardial ischemia.
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Affiliation(s)
- Adriana Adameova
- a Department of Pharmacology and Toxicology, Faculty of Pharmacy, Comenius University in Bratislava, Slovak Republic
| | - Jaroslav Hrdlicka
- b Institute of Physiology, Czech Academy of Sciences, Prague, Czech Republic
| | - Adrian Szobi
- a Department of Pharmacology and Toxicology, Faculty of Pharmacy, Comenius University in Bratislava, Slovak Republic
| | - Veronika Farkasova
- c Institute for Heart Research, Slovak Academy of Sciences and Centre of Excellence, SAS NOREG, Bratislava, Slovak Republic
| | - Katarina Kopaskova
- a Department of Pharmacology and Toxicology, Faculty of Pharmacy, Comenius University in Bratislava, Slovak Republic
| | - Martina Murarikova
- c Institute for Heart Research, Slovak Academy of Sciences and Centre of Excellence, SAS NOREG, Bratislava, Slovak Republic
| | - Jan Neckar
- b Institute of Physiology, Czech Academy of Sciences, Prague, Czech Republic
| | - Frantisek Kolar
- b Institute of Physiology, Czech Academy of Sciences, Prague, Czech Republic
| | - Tatiana Ravingerova
- c Institute for Heart Research, Slovak Academy of Sciences and Centre of Excellence, SAS NOREG, Bratislava, Slovak Republic
| | - Naranjan S Dhalla
- d Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre, Winnipeg, MB R2H 2A6, Canada
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Hussein AM, Barakat N, Awadalla A, Gabr MM, Khater S, Harraz AM, Shokeir AA. Modulation of renal ischemia/reperfusion in rats by a combination of ischemic preconditioning and adipose-derived mesenchymal stem cells (ADMSCs). Can J Physiol Pharmacol 2016; 94:936-46. [PMID: 27411029 DOI: 10.1139/cjpp-2016-0018] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The present study investigated the effects of combination of ischemic preconditioning (Ipre) and adipose-derived mesenchymal stem cells (ADMSCs) on renal ischemia-reperfusion (I-R) injury in rats. 90 male Sprague Dawley rats were divided into 5 equal groups; sham operated, control (45 min left renal ischemia), Ipre group as control group with 3 cycles of Ipre just before renal ischemia, ADMSCs-treated group (as control with ADMSCs 10(6) cells in 0.1 mL via penile vein 60 min before ischemia time), and Ipre + ADMSCs group as ADMCs group with 3 cycles of Ipre. Ipre and ADMSCs groups showed significant decrease in serum creatinine and blood urea nitrogen (BUN) and caspase-3 and CD45 expression in kidney and significant increase in HIF-1α, SDF-1α, CD31, and Ki67 expressions in kidney compared with the control group (p < 0.05). Moreover, the Ipre + ADMSCs group showed significant decrease in serum BUN and caspase-3 and CD45 expression in kidney with significant increase in HIF-1α, SDF-1α, CD31, and Ki67 expression in kidney compared with the Ipre and ADMCs groups (p < 0.05). We concluded that Ipre potentiates the renoprotective effect of ADMSCs against renal I/R injury probably by upregulation of HIF-1α, SDF-1α, CD31, and Ki67 and downregulation of caspase-3 and CD45.
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Affiliation(s)
- Abdelaziz M Hussein
- a Physiology Department, Faculty of Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Nashwa Barakat
- b Urology and Nephrology Center, Mansoura University, Mansoura, 35516, Egypt
| | - Amira Awadalla
- b Urology and Nephrology Center, Mansoura University, Mansoura, 35516, Egypt
| | - Mahmoud M Gabr
- b Urology and Nephrology Center, Mansoura University, Mansoura, 35516, Egypt
| | - Sherry Khater
- b Urology and Nephrology Center, Mansoura University, Mansoura, 35516, Egypt
| | - Ahmed M Harraz
- b Urology and Nephrology Center, Mansoura University, Mansoura, 35516, Egypt
| | - Ahmed A Shokeir
- b Urology and Nephrology Center, Mansoura University, Mansoura, 35516, Egypt
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Cruz RSDO, de Aguiar RA, Turnes T, Salvador AF, Caputo F. Effects of ischemic preconditioning on short-duration cycling performance. Appl Physiol Nutr Metab 2016; 41:825-31. [PMID: 27404398 DOI: 10.1139/apnm-2015-0646] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
It has been demonstrated that ischemic preconditioning (IPC) improves endurance performance. However, the potential benefits during anaerobic events and the mechanism(s) underlying these benefits remain unclear. Fifteen recreational cyclists were assessed to evaluate the effects of IPC of the upper thighs on anaerobic performance, skeletal muscle activation, and metabolic responses during a 60-s sprint performance. After an incremental test and a familiarization visit, subjects were randomly submitted in visits 3 and 4 to a performance protocol preceded by intermittent bilateral cuff inflation (4 × (5 min of blood flow restriction + 5 min reperfusion)) at either 220 mm Hg (IPC) or 20 mm Hg (control). To increase data reliability, each intervention was replicated, which was also in a random manner. In addition to the mean power output, the pulmonary oxygen uptake, blood lactate kinetics, and quadriceps electromyograms (EMGs) were analyzed during performance and throughout 45 min of passive recovery. After IPC, performance was improved by 2.1% compared with control (95% confidence intervals of 0.8% to 3.3%, P = 0.001), followed by increases in (i) the accumulated oxygen deficit, (ii) the amplitude of blood lactate kinetics, (iii) the total amount of oxygen consumed during recovery, and (iv) the overall EMG amplitude (P < 0.05). In addition, the ratio between EMG and power output was higher during the final third of performance after IPC (P < 0.05). These results suggest an increased skeletal muscle activation and a higher anaerobic contribution as the ultimate responses of IPC on short-term exercise performance.
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Affiliation(s)
- Rogério Santos de Oliveira Cruz
- Human Performance Research Group, Center for Health and Sport Science, Santa Catarina State University (CEFID/UDESC), Florianópolis, Santa Catarina, CEP, 88080-350, Brazil.,Human Performance Research Group, Center for Health and Sport Science, Santa Catarina State University (CEFID/UDESC), Florianópolis, Santa Catarina, CEP, 88080-350, Brazil
| | - Rafael Alves de Aguiar
- Human Performance Research Group, Center for Health and Sport Science, Santa Catarina State University (CEFID/UDESC), Florianópolis, Santa Catarina, CEP, 88080-350, Brazil.,Human Performance Research Group, Center for Health and Sport Science, Santa Catarina State University (CEFID/UDESC), Florianópolis, Santa Catarina, CEP, 88080-350, Brazil
| | - Tiago Turnes
- Human Performance Research Group, Center for Health and Sport Science, Santa Catarina State University (CEFID/UDESC), Florianópolis, Santa Catarina, CEP, 88080-350, Brazil.,Human Performance Research Group, Center for Health and Sport Science, Santa Catarina State University (CEFID/UDESC), Florianópolis, Santa Catarina, CEP, 88080-350, Brazil
| | - Amadeo Félix Salvador
- Human Performance Research Group, Center for Health and Sport Science, Santa Catarina State University (CEFID/UDESC), Florianópolis, Santa Catarina, CEP, 88080-350, Brazil.,Human Performance Research Group, Center for Health and Sport Science, Santa Catarina State University (CEFID/UDESC), Florianópolis, Santa Catarina, CEP, 88080-350, Brazil
| | - Fabrizio Caputo
- Human Performance Research Group, Center for Health and Sport Science, Santa Catarina State University (CEFID/UDESC), Florianópolis, Santa Catarina, CEP, 88080-350, Brazil.,Human Performance Research Group, Center for Health and Sport Science, Santa Catarina State University (CEFID/UDESC), Florianópolis, Santa Catarina, CEP, 88080-350, Brazil
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Dănilă MD, Privistirescu AI, Mirica SN, Sturza A, Ordodi V, Noveanu L, Duicu OM, Muntean DM. Acute inhibition of monoamine oxidase and ischemic preconditioning in isolated rat hearts: interference with postischemic functional recovery but no effect on infarct size reduction. Can J Physiol Pharmacol 2015; 93:819-25. [PMID: 26322912 DOI: 10.1139/cjpp-2015-0103] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Monoamine oxidases (MAOs) have recently emerged as important mitochondrial sources of oxidative stress in the cardiovascular system. Generation of reactive oxygen species during the brief episodes of ischemic preconditioning (IPC) is responsible for the cardioprotection at reperfusion. The aim of this study was to assess the effects of two MAO inhibitors (clorgyline and pargyline) on the IPC-related protection in isolated rat hearts. Animals subjected to 30 min global ischemia and 120 min reperfusion were assigned to the following groups: (i) Control, no additional intervention; (ii) IPC, 3 cycles of 5 min ischemia and 5 min reperfusion before the index ischemia; (iii) IPC-clorgyline, IPC protocol bracketed for 5 min with clorgyline (50 μmol/L); (iv) IPC-pargyline, IPC protocol bracketed for 5 min with pargyline (0.5 mmol/L). The postischemic functional recovery was assessed by the left ventricular developed pressure (LVDP) and the indices of contractility (+dLVP/dt max) and relaxation (-dLVP/dt max). Infarct size (IS) was quantified by TTC staining. In both genders, IPC significantly improved functional recovery that was further enhanced in the presence of either clorgyline or pargyline. IS reduction was comparable among all the preconditioned groups, regardless of the presence of MAO inhibitors. In isolated rat hearts, acute inhibition of MAOs potentiates the IPC-induced postischemic functional recovery without interfering with the anti-necrotic protection.
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Affiliation(s)
- Maria D Dănilă
- a Department of Pathophysiology, "Victor Babeş" University of Medicine and Pharmacy of Timişoara, Timișoara, Romania.,b Center for Translational Research and Systems Medicine, "Victor Babeş" University of Medicine and Pharmacy of Timişoara, Timişoara, Romania
| | - Andreea I Privistirescu
- a Department of Pathophysiology, "Victor Babeş" University of Medicine and Pharmacy of Timişoara, Timișoara, Romania
| | - Silvia N Mirica
- a Department of Pathophysiology, "Victor Babeş" University of Medicine and Pharmacy of Timişoara, Timișoara, Romania
| | - Adrian Sturza
- a Department of Pathophysiology, "Victor Babeş" University of Medicine and Pharmacy of Timişoara, Timișoara, Romania.,b Center for Translational Research and Systems Medicine, "Victor Babeş" University of Medicine and Pharmacy of Timişoara, Timişoara, Romania
| | - Valentin Ordodi
- a Department of Pathophysiology, "Victor Babeş" University of Medicine and Pharmacy of Timişoara, Timișoara, Romania
| | - Lavinia Noveanu
- a Department of Pathophysiology, "Victor Babeş" University of Medicine and Pharmacy of Timişoara, Timișoara, Romania.,b Center for Translational Research and Systems Medicine, "Victor Babeş" University of Medicine and Pharmacy of Timişoara, Timişoara, Romania
| | - Oana M Duicu
- a Department of Pathophysiology, "Victor Babeş" University of Medicine and Pharmacy of Timişoara, Timișoara, Romania.,b Center for Translational Research and Systems Medicine, "Victor Babeş" University of Medicine and Pharmacy of Timişoara, Timişoara, Romania
| | - Danina M Muntean
- a Department of Pathophysiology, "Victor Babeş" University of Medicine and Pharmacy of Timişoara, Timișoara, Romania.,b Center for Translational Research and Systems Medicine, "Victor Babeş" University of Medicine and Pharmacy of Timişoara, Timişoara, Romania
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