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Lindsey ML, Brunt KR, Kirk JA, Kleinbongard P, Calvert JW, de Castro Brás LE, DeLeon-Pennell KY, Del Re DP, Frangogiannis NG, Frantz S, Gumina RJ, Halade GV, Jones SP, Ritchie RH, Spinale FG, Thorp EB, Ripplinger CM, Kassiri Z. Guidelines for in vivo mouse models of myocardial infarction. Am J Physiol Heart Circ Physiol 2021; 321:H1056-H1073. [PMID: 34623181 PMCID: PMC8834230 DOI: 10.1152/ajpheart.00459.2021] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 10/05/2021] [Accepted: 10/05/2021] [Indexed: 12/11/2022]
Abstract
Despite significant improvements in reperfusion strategies, acute coronary syndromes all too often culminate in a myocardial infarction (MI). The consequent MI can, in turn, lead to remodeling of the left ventricle (LV), the development of LV dysfunction, and ultimately progression to heart failure (HF). Accordingly, an improved understanding of the underlying mechanisms of MI remodeling and progression to HF is necessary. One common approach to examine MI pathology is with murine models that recapitulate components of the clinical context of acute coronary syndrome and subsequent MI. We evaluated the different approaches used to produce MI in mouse models and identified opportunities to consolidate methods, recognizing that reperfused and nonreperfused MI yield different responses. The overall goal in compiling this consensus statement is to unify best practices regarding mouse MI models to improve interpretation and allow comparative examination across studies and laboratories. These guidelines will help to establish rigor and reproducibility and provide increased potential for clinical translation.
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Affiliation(s)
- Merry L Lindsey
- Department of Cellular and Integrative Physiology, Center for Heart and Vascular Research, University of Nebraska Medical Center, Omaha, Nebraska
- Research Service, Nebraska-Western Iowa Health Care System, Omaha, Nebraska
| | - Keith R Brunt
- Department of Pharmacology, Faculty of Medicine, Dalhousie University, Saint John, New Brunswick, Canada
| | - Jonathan A Kirk
- Department of Cell and Molecular Physiology, Loyola University Chicago Stritch School of Medicine, Chicago, Illinois
| | - Petra Kleinbongard
- Institute for Pathophysiology, West German Heart and Vascular Center, University of Essen Medical School, Essen, Germany
| | - John W Calvert
- Carlyle Fraser Heart Center of Emory University Hospital Midtown, Atlanta, Georgia
- Division of Cardiothoracic Surgery, Department of Surgery, Emory University School of Medicine, Atlanta, Georgia
| | - Lisandra E de Castro Brás
- Department of Physiology, The Brody School of Medicine, East Carolina University, Greenville, North Carolina
| | - Kristine Y DeLeon-Pennell
- Division of Cardiology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina
- Research Service, Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina
| | - Dominic P Del Re
- Department of Cell Biology and Molecular Medicine, Cardiovascular Research Institute, Rutgers New Jersey Medical School, Newark, New Jersey
| | - Nikolaos G Frangogiannis
- Division of Cardiology, Department of Medicine, The Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, New York
| | - Stefan Frantz
- Department of Internal Medicine I, University Hospital Würzburg, Würzburg, Germany
| | - Richard J Gumina
- Division of Cardiovascular Medicine, Department of Internal Medicine, The Ohio State University Wexner Medical Center, Columbus, Ohio
- Department of Physiology and Cell Biology, The Ohio State University Wexner Medical Center, Columbus, Ohio
- The Dorothy M. Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, Ohio
| | - Ganesh V Halade
- Division of Cardiovascular Sciences, Department of Medicine, University of South Florida, Tampa, Florida
| | - Steven P Jones
- Department of Medicine, Diabetes and Obesity Center, University of Louisville, Louisville, Kentucky
| | - Rebecca H Ritchie
- Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University (Parkville Campus), Victoria, Australia
| | - Francis G Spinale
- Cardiovascular Translational Research Center, University of South Carolina School of Medicine and the Columbia Veteran Affairs Medical Center, Columbia, South Carolina
| | - Edward B Thorp
- Department of Pathology and Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Crystal M Ripplinger
- Department of Pharmacology, University of California Davis School of Medicine, Davis, California
| | - Zamaneh Kassiri
- Department of Physiology, Cardiovascular Research Center, University of Alberta, Edmonton, Alberta, Canada
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Preconditioning is hormesis part I: Documentation, dose-response features and mechanistic foundations. Pharmacol Res 2016; 110:242-264. [DOI: 10.1016/j.phrs.2015.12.021] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 12/18/2015] [Accepted: 12/19/2015] [Indexed: 12/16/2022]
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Abstract
KATP channels are integral to the functions of many cells and tissues. The use of electrophysiological methods has allowed for a detailed characterization of KATP channels in terms of their biophysical properties, nucleotide sensitivities, and modification by pharmacological compounds. However, even though they were first described almost 25 years ago (Noma 1983, Trube and Hescheler 1984), the physiological and pathophysiological roles of these channels, and their regulation by complex biological systems, are only now emerging for many tissues. Even in tissues where their roles have been best defined, there are still many unanswered questions. This review aims to summarize the properties, molecular composition, and pharmacology of KATP channels in various cardiovascular components (atria, specialized conduction system, ventricles, smooth muscle, endothelium, and mitochondria). We will summarize the lessons learned from available genetic mouse models and address the known roles of KATP channels in cardiovascular pathologies and how genetic variation in KATP channel genes contribute to human disease.
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Affiliation(s)
- Monique N Foster
- Departments of Pediatrics, Physiology & Neuroscience, and Biochemistry and Molecular Pharmacology, NYU School of Medicine, New York, New York
| | - William A Coetzee
- Departments of Pediatrics, Physiology & Neuroscience, and Biochemistry and Molecular Pharmacology, NYU School of Medicine, New York, New York
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Wu A, Zheng H, Kraenzle J, Biller A, Vanover CD, Proctor M, Sherwood L, Steffen M, Ng C, Mollura DJ, Jonsson CB. Ferret thoracic anatomy by 2-deoxy-2-(18F)fluoro-D-glucose (18F-FDG) positron emission tomography/computed tomography (18F-FDG PET/CT) imaging. ILAR J 2013; 53:E9-21. [PMID: 23382267 PMCID: PMC3573861 DOI: 10.1093/ilar.53.1.9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The domestic ferret (Mustela putorius furo) has been a long-standing animal model used in the evaluation and treatment of human diseases. Molecular imaging techniques such as 2-deoxy-2-(18F)fluoro-D-glucose (18F-FDG) positron emission tomography (PET) would be an invaluable method of tracking disease in vivo, but this technique has not been reported in the literature. Thus, the aim of this study was to establish baseline imaging characteristics of PET/computed tomography (CT) with 18F-FDG in the ferret model. Twelve healthy female ferrets were anesthetized and underwent combined PET/CT scanning. After the images were fused, volumes of interest (VOIs) were generated in the liver, heart, thymus, and bilateral lung fields. For each VOI, standardized uptake values (SUVs) were calculated. Additional comparisons were made between radiotracer uptake periods (60, 90, and >90 minutes), intravenous and intraperitoneal injections of 18F-FDG, and respiratory gated and ungated acquisitions. Pulmonary structures and the surrounding thoracic and upper abdominal anatomy were readily identified on the CT scans of all ferrets and were successfully fused with PET. VOIs were created in various tissues with the following SUV calculations: heart (maximum standardized uptake value [SUVMax] 8.60, mean standardized uptake value [SUVMean] 5.42), thymus (SUVMax 3.86, SUVMean 2.59), liver (SUVMax 1.37, SUVMean 0.99), right lung (SUVMax 0.92, SUVMean 0.56), and left lung (SUVMax 0.88, SUVMean 0.51). Sixty- to 90-minute uptake periods were sufficient to separate tissues based on background SUV activity. No gross differences in image quality were seen between intraperitoneal and intravenous injections of 18F-FDG. Respiratory gating also did not have a significant impact on image quality of lung parenchyma. The authors concluded that 18F-FDG PET and CT imaging can be performed successfully in normal healthy ferrets with the parameters identified in this study. They obtained similar imaging features and uptake measurements with and without respiratory gating as well as with intraperitoneal and intravenous 18F-FDG injections. 18F-FDG PET and CT can be a valuable resource for the in vivo tracking of disease progression in future studies that employ the ferret model.
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Affiliation(s)
- Albert Wu
- Center for Infectious Disease Imaging, Department of Radiology and Imaging Sciences, National Institutes of Health, Bethesda, MD 20892, USA
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Yamada K, Matsui K, Ogawa S, Yamamoto S, Mori M, Kitano M, Ohashi N. Reduction of myocardial infarct size by SM-198110, a novel Na+/H+ exchange inhibitor, in rabbits. Naunyn Schmiedebergs Arch Pharmacol 2005; 371:408-19. [PMID: 15902428 DOI: 10.1007/s00210-005-1062-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2005] [Accepted: 04/13/2005] [Indexed: 11/26/2022]
Abstract
The effects of 3-[2-({[amino(imino)methyl]amino}carbonyl)-4-chloro-1H-indol-1-yl]-1-propanesulphonic acid monohydrate (SM-198110), a novel potent Na+/H+ exchange inhibitor, and cariporide (Hoe642), another Na+/H+ exchange inhibitor, were studied in a myocardial ischaemia and reperfusion injury model. Anaesthetized rabbits were subjected to occlusion of the coronary artery for 30 min followed by reperfusion for 5 h. SM-198110 or cariporide was administered before ischaemia and before reperfusion. We also assessed the anti-necrotic effect of SM-198110 when given before reperfusion, both alone and together with glibenclamide, a K(ATP) channel blocker, 5-hydroxydecanoate (5-HD), a mitochondrial K(ATP) channel-selective blocker and 8-(p-sulphophenyl)-theophylline (8-SPT), an adenosine receptor blocker. The infarct size was reduced dose-dependently by i.v. administration of SM-198110 before ischaemia, with a significant reduction in serum creatine phosphokinase activity. Infarct sizes, normalized to the size of the area-at-risk (means+/-SE) were: vehicle 56.6+/-3.7%; low-dose SM-198110 39.2+/-6.3%; mid-dose 32.8+/-7.4% (P < 0.05); high-dose 22.1+/-6.7% (P < 0.01). This anti-necrotic effect of SM-198110 was achieved without significant haemodynamic changes. Cariporide given before ischaemia also reduced infarct size significantly and dose-dependently. SM-198110 administered before reperfusion also resulted in a dose-dependent reduction in the infarct size. Infarct sizes were: vehicle 56.6+/-3.7%; low-dose SM-198110 44.5+/-5.7%; mid-dose 36.3+/-6.6% (P < 0.01); high-dose 34.7+/-3.8% (P < 0.01). In contrast, cariporide given before reperfusion did not reduce infarct sizes significantly. The anti-necrotic effect of SM-198110 was observed even when given 10 min after the beginning of reperfusion. Glibenclamide and 5-HD abolished the anti-necrotic effect of treatment before reperfusion with SM-198110. However, the co-administration of 8-SPT with SM-198110 did not affect infarct size. These results suggest that, in addition to Na+/H+ exchange inhibition, mitochondrial and/or sarcolemmal K(ATP) channels contribute to the anti-necrotic effect of SM-198110 when the latter is given before reperfusion.
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Affiliation(s)
- Kazuto Yamada
- Research Division, Sumitomo Pharmaceuticals Co., Ltd., 1-98 Kasugadenaka 3-chome, Osaka 554-0022, Japan.
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MacPhail CM, Monnet E, Gaynor JS, Perini A. Effect of sevoflurane on hemodynamic and cardiac energetic parameters in ferrets. Am J Vet Res 2004; 65:653-8. [PMID: 15141887 DOI: 10.2460/ajvr.2004.65.653] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To determine the effect of sevoflurane on cardiac energetic and hemodynamic parameters in ferrets. ANIMALS 7 healthy domesticated ferrets. PROCEDURE Sevoflurane was used as the sole anesthetic agent for general anesthesia in ferrets. Standard midline laparotomy and median sternotomy were performed to permit instrumentation. Myocardial blood flow was determined by use of colored microsphere technology. Measurements and blood samples were obtained at 1.25%, 2.5%, and 3.75% expired concentration of sevoflurane. RESULTS A dose-dependent decrease in arterial blood pressure, left ventricular pressure, systemic vascular resistance, aortic flow, and dp/dt (an index of contractility) was detected as expired concentration of sevoflurane increased. Heart rate, central venous pressure, coronary vascular resistance, myocardial oxygen extraction ratio, and tau (the time constant of relaxation) were unchanged. Cardiac external work decreased, as did myocardial oxygen consumption, causing increased cardiac efficiency at higher concentrations of sevoflurane. CONCLUSIONS AND CLINICAL RELEVANCE Sevoflurane caused minimal and predictable cardiovascular effects in ferrets without increasing myocardial metabolic demands. Data obtained from this study have not been previously reported for a species that is being commonly used in cardiovascular research. These findings also support use of sevoflurane as a safe inhalant anesthetic in ferrets for clinical and research settings.
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Affiliation(s)
- Catriona M MacPhail
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523-1620, USA
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Hattan N, Ban K, Tanaka E, Abe S, Sekka T, Sugio Y, Mohammed MU, Sato E, Shinozai Y, Onishi Y, Suma H, Handa S, Kawada S, Hori S, Iida A, Nakazawa H, Mori H. Transmyocardial revascularization aggravates myocardial ischemia around the channels in the immediate phase. Am J Physiol Heart Circ Physiol 2000; 279:H1392-6. [PMID: 10993807 DOI: 10.1152/ajpheart.2000.279.3.h1392] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We examined whether transmyocardial revascularization (TMR) relieves myocardial ischemia by increasing regional perfusion via the transmural channels in acute canine experiments. Regional blood flow during transient coronary ligation (2 min) was compared before and 30 min after TMR, and at the third transient ischemia the mid-left ventricle (LV) was cut and immediately frozen along the short axis for the analysis of NADH fluorescence in the regions around the TMR channels. In low-resolution analysis (2-4 g tissue or 2-3 cm(2) area), regional perfusion was not significantly altered after TMR, and NADH fluorescence was observed throughout the ischemic region without significant spatial variation. High-resolution analysis (2.8 mg, 1 mm x 1 mm) revealed that the flow after TMR was lower, and NADH fluorescence was higher in the regions close to the channels (1-2 mm) than in the regions 3-4 mm away from them. Creating TMR channels did not improve the regional perfusion and rather aggravated the local ischemia in the vicinity of the channels in the immediate phase.
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Affiliation(s)
- N Hattan
- Department of Physiology, Tokai University School of Medicine, Isehara 259-1193, Japan
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Sheldrick A, Gray KM, Drew GM, Louttit JB. The effect of body temperature on myocardial protection conferred by ischaemic preconditioning or the selective adenosine A1 receptor agonist GR79236, in an anaesthetized rabbit model of myocardial ischaemia and reperfusion. Br J Pharmacol 1999; 128:385-95. [PMID: 10510449 PMCID: PMC1571642 DOI: 10.1038/sj.bjp.0702799] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
1 The cardioprotective effect of N-[(1S, trans)-2-hydroxycyclopentyl]adenosine (GR79236), an adenosine A1 receptor agonist, was compared with that produced by ischaemic preconditioning in an anaesthetized rabbit model of myocardial ischaemia and reperfusion. In addition, we examined the effect of different body core temperatures on GR79236- or ischaemic preconditioning-induced cardioprotection when administered prior to ischaemia, and on cardioprotection induced by GR79236 administered 10 min prior to the onset of reperfusion. 2 When rabbits were subjected to 30 min occlusion of the left coronary artery, followed by 2 h reperfusion, GR79236 (3 x 10(-8) mol kg-1 i.v. (10.5 microg kg-1 i.v.)) or ischaemic preconditioning (5 min ischaemia followed by 5 min reperfusion), administered or applied 10 min prior to the occlusion, significantly limited the development of infarction. The cardioprotective effect of ischaemic preconditioning was significantly greater than that seen after administration of GR79236. Pre-treatment with the selective adenosine A1 receptor antagonist 8-cyclopentyl-1,3-dipropylxanthine (DPCPX, 3.3 x 10(-6) mol kg-1 (1 mg kg-1 i.v.)), prevented the cardioprotective effect of GR79236, but not that of ischaemic preconditioning. 3 Maintaining body core temperature at 38.5 degrees C rather than at 37.0 degrees C did not influence infarct size in control groups of rabbits, but reduced the cardioprotective effect of GR79236 when administered 10 min prior to occlusion or 10 min prior to the onset of reperfusion. The cardioprotective effect of ischaemic preconditioning was not temperature-dependent. 4 In conclusion, myocardial protection conferred by GR79236 in anaesthetized rabbits is mediated via adenosine A1 receptors. Myocardial protection can be conferred when GR79236 is administered before the onset of ischaemia or reperfusion, and is reduced when body core temperature is maintained at 38.5 degrees C rather than at 37.0 degrees C. In contrast, myocardial protection conferred by ischaemic preconditioning is not reduced by adenosine A1 receptor blockade, or by maintaining body core temperature at 38.5 degrees C rather than at 37.0 degrees C. These findings point to distinct differences in the mechanisms of induction of myocardial protection by adenosine A1 receptor agonist and ischaemic preconditioning. They also highlight the need for careful control of body core temperature when investigating the phenomenon of cardioprotection.
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Affiliation(s)
- A Sheldrick
- Systems Biology Unit, Glaxo Wellcome Research and Development, Medicines Research Centre, Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2NY
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