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Lohr D, Kollmann A, Bille M, Terekhov M, Elabyad I, Hock M, Baltes S, Reiter T, Schnitter F, Bauer WR, Hofmann U, Schreiber LM. Precision imaging of cardiac function and scar size in acute and chronic porcine myocardial infarction using ultrahigh-field MRI. COMMUNICATIONS MEDICINE 2024; 4:146. [PMID: 39026075 PMCID: PMC11258271 DOI: 10.1038/s43856-024-00559-y] [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: 11/25/2022] [Accepted: 06/24/2024] [Indexed: 07/20/2024] Open
Abstract
BACKGROUND 7 T cardiac magnetic resonance imaging (MRI) studies may enable higher precision in clinical metrics like cardiac function, ventricular mass, and more. Higher precision may allow early detection of functional impairment and early evaluation of treatment responses in clinical practice and pre-clinical studies. METHODS Seven female German Landrace pigs were scanned prior to and at three time points (3-4 days, 7-10 days, and ~60 days) post myocardial infarction using a whole body 7 T system and three radiofrequency (RF) coils developed and built in-house to accompany animal growth. RESULTS The combination of dedicated RF hardware and 7 T MRI enables a longitudinal study in a pig model of acute and chronic infarction, providing consistent blood tissue contrast and high signal-to-noise ratio (SNR) in measurements of cardiac function, as well as low coefficients of variation (CoV) for ejection fraction (CoVintra-observer: 2%, CoVinter-observer: 3.8%) and infarct size (CoVintra-observer: 8.4%, CoVinter-observer: 3.8%), despite drastic animal growth. CONCLUSIONS Best results are achieved via manual segmentation. We define state-of-the-art procedures for large animal studies at 7 T.
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Affiliation(s)
- David Lohr
- Comprehensive Heart Failure Center (CHFC), Chair of Molecular and Cellular Imaging, University Hospital Wuerzburg, Wuerzburg, Germany.
| | - Alena Kollmann
- Comprehensive Heart Failure Center (CHFC), Chair of Molecular and Cellular Imaging, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Maya Bille
- Comprehensive Heart Failure Center (CHFC), Chair of Molecular and Cellular Imaging, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Maxim Terekhov
- Comprehensive Heart Failure Center (CHFC), Chair of Molecular and Cellular Imaging, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Ibrahim Elabyad
- Comprehensive Heart Failure Center (CHFC), Chair of Molecular and Cellular Imaging, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Michael Hock
- Comprehensive Heart Failure Center (CHFC), Chair of Molecular and Cellular Imaging, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Steffen Baltes
- Comprehensive Heart Failure Center (CHFC), Chair of Molecular and Cellular Imaging, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Theresa Reiter
- Comprehensive Heart Failure Center (CHFC), Chair of Molecular and Cellular Imaging, University Hospital Wuerzburg, Wuerzburg, Germany
- Department of Internal Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Florian Schnitter
- Department of Internal Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Wolfgang Rudolf Bauer
- Department of Internal Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Ulrich Hofmann
- Department of Internal Medicine I, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Laura Maria Schreiber
- Comprehensive Heart Failure Center (CHFC), Chair of Molecular and Cellular Imaging, University Hospital Wuerzburg, Wuerzburg, Germany.
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Intrapericardial Administration of Secretomes from Menstrual Blood-Derived Mesenchymal Stromal Cells: Effects on Immune-Related Genes in a Porcine Model of Myocardial Infarction. Biomedicines 2022; 10:biomedicines10051117. [PMID: 35625854 PMCID: PMC9138214 DOI: 10.3390/biomedicines10051117] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 04/26/2022] [Accepted: 05/04/2022] [Indexed: 02/04/2023] Open
Abstract
Acute myocardial infarction (AMI) is a manifestation of ischemic heart disease where the immune system plays an important role in the re-establishment of homeostasis. We hypothesize that the anti-inflammatory activity of secretomes from menstrual blood-derived mesenchymal stromal cells (S-MenSCs) and IFNγ/TNFα-primed MenSCs (S-MenSCs*) may be considered a therapeutic option for the treatment of AMI. To assess this hypothesis, we have evaluated the effect of S-MenSCs and S-MenSCs* on cardiac function parameters and the involvement of immune-related genes using a porcine model of AMI. Twelve pigs were randomly divided into three biogroups: AMI/Placebo, AMI/S-MenSCs, and AMI/S-MenSCs*. AMI models were generated using a closed chest coronary occlusion-reperfusion procedure and, after 72 h, the different treatments were intrapericardially administered. Cardiac function parameters were monitored by magnetic resonance imaging before and 7 days post-therapy. Transcriptomic analyses in the infarcted tissue identified 571 transcripts associated with the Gene Ontology term Immune response, of which 57 were differentially expressed when different biogroups were compared. Moreover, a prediction of the interactions between differentially expressed genes (DEGs) and miRNAs from secretomes revealed that some DEGs in the infarction area, such as STAT3, IGFR1, or BCL6 could be targeted by previously identified miRNAs in secretomes from MenSCs. In conclusion, the intrapericardial administration of secretome early after infarction has a significant impact on the expression of immune-related genes in the infarcted myocardium. This confirms the immunomodulatory potential of intrapericardially delivered secretomes and opens new therapeutic perspectives in myocardial infarction treatment.
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Báez-Díaz C, Blanco-Blázquez V, Sánchez-Margallo FM, López E, Martín H, Espona-Noguera A, Casado JG, Ciriza J, Pedraz JL, Crisóstomo V. Intrapericardial Delivery of APA-Microcapsules as Promising Stem Cell Therapy Carriers in an Experimental Acute Myocardial Infarction Model. Pharmaceutics 2021; 13:1824. [PMID: 34834235 PMCID: PMC8626005 DOI: 10.3390/pharmaceutics13111824] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 10/15/2021] [Accepted: 10/26/2021] [Indexed: 01/08/2023] Open
Abstract
The administration of cardiosphere-derived cells (CDCs) after acute myocardial infarction (AMI) is very promising. CDC encapsulation in alginate-poly-l-lysine-alginate (APA) could increase cell survival and adherence. The intrapericardial (IP) approach potentially achieves high concentrations of the therapeutic agent in the infarcted area. We aimed to evaluate IP therapy using a saline vehicle as a control (CON), a dose of 30 × 106 CDCs (CDCs) or APA microcapsules containing 30 × 106 CDCs (APA-CDCs) at 72 h in a porcine AMI model. Magnetic resonance imaging (MRI) was used to determine the left ventricular ejection fraction (LVEF), infarct size (IS), and indexed end diastolic and systolic volumes (EDVi; ESVi) pre- and 10 weeks post-injection. Programmed electrical stimulation (PES) was performed to test arrhythmia inducibility before euthanasia. Histopathological analysis was carried out afterwards. The IP infusion was successful in all animals. At 10 weeks, MRI revealed significantly higher LVEF in the APA-CDC group compared with CON. No significant differences were observed among groups in IS, EDVi, ESVi, PES and histopathological analyses. In conclusion, the IP injection of CDCs (microencapsulated or not) was feasible and safe 72 h post-AMI in the porcine model. Moreover, CDCs APA encapsulation could have a beneficial effect on cardiac function, reflected by a higher LVEF at 10 weeks.
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Affiliation(s)
- Claudia Báez-Díaz
- CIBERCV, Instituto de Salud Carlos III, 28029 Madrid, Spain; (V.B.-B.); (F.M.S.-M.); (V.C.)
- Fundación Centro de Cirugía de Mínima Invasión Jesús Usón, 10071 Cáceres, Spain; (E.L.); (H.M.)
| | - Virginia Blanco-Blázquez
- CIBERCV, Instituto de Salud Carlos III, 28029 Madrid, Spain; (V.B.-B.); (F.M.S.-M.); (V.C.)
- Fundación Centro de Cirugía de Mínima Invasión Jesús Usón, 10071 Cáceres, Spain; (E.L.); (H.M.)
| | - Francisco Miguel Sánchez-Margallo
- CIBERCV, Instituto de Salud Carlos III, 28029 Madrid, Spain; (V.B.-B.); (F.M.S.-M.); (V.C.)
- Fundación Centro de Cirugía de Mínima Invasión Jesús Usón, 10071 Cáceres, Spain; (E.L.); (H.M.)
| | - Esther López
- Fundación Centro de Cirugía de Mínima Invasión Jesús Usón, 10071 Cáceres, Spain; (E.L.); (H.M.)
| | - Helena Martín
- Fundación Centro de Cirugía de Mínima Invasión Jesús Usón, 10071 Cáceres, Spain; (E.L.); (H.M.)
| | - Albert Espona-Noguera
- Centro de Investigaciones y Estudios Avanzados Lucio Lascaray (CIEA), Laboratorio de Desarrollo y Evaluación de Medicamentos, 01006 Vitoria Gasteiz, Spain; (A.E.-N.); (J.L.P.)
- CIBER bbn, Instituto de Salud Carlos III, 28029 Madrid, Spain;
| | - Javier G. Casado
- Immunology Unit-Institute of Molecular Pathology Biomarkers, Veterinary Faculty, University of Extremadura, 10003 Cáceres, Spain;
| | - Jesús Ciriza
- CIBER bbn, Instituto de Salud Carlos III, 28029 Madrid, Spain;
- Tissue Microenvironment (TME) Lab, Aragón Institute of Engineering Research (I3A), University of Zaragoza, 50018 Zaragoza, Spain
| | - José Luis Pedraz
- Centro de Investigaciones y Estudios Avanzados Lucio Lascaray (CIEA), Laboratorio de Desarrollo y Evaluación de Medicamentos, 01006 Vitoria Gasteiz, Spain; (A.E.-N.); (J.L.P.)
- CIBER bbn, Instituto de Salud Carlos III, 28029 Madrid, Spain;
| | - Verónica Crisóstomo
- CIBERCV, Instituto de Salud Carlos III, 28029 Madrid, Spain; (V.B.-B.); (F.M.S.-M.); (V.C.)
- Fundación Centro de Cirugía de Mínima Invasión Jesús Usón, 10071 Cáceres, Spain; (E.L.); (H.M.)
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The Intrapericardial Delivery of Extracellular Vesicles from Cardiosphere-Derived Cells Stimulates M2 Polarization during the Acute Phase of Porcine Myocardial Infarction. Stem Cell Rev Rep 2021; 16:612-625. [PMID: 31865532 PMCID: PMC7253530 DOI: 10.1007/s12015-019-09926-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Acute myocardial infarction triggers a strong inflammatory response in the affected cardiac tissue. New therapeutic tools based on stem cell therapy may modulate the unbalanced inflammation in the damaged cardiac tissue, contributing to the resolution of this pathological condition. The main goal of this study was to analyze the immunomodulatory effects of cardiosphere-derived cells (CDCs) and their extracellular vesicles (EV-CDCs), delivered by intrapericardial administration in a clinically relevant animal model, during the initial pro-inflammatory phase of an induced myocardial infarction. This effect was assessed in peripheral blood and pericardial fluid leukocytes from infarcted animals. Additionally, cardiac functional parameters, troponin I, hematological and biochemical components were also analyzed to characterize myocardial infarction-induced changes, as well as the safety aspects of these procedures. Our preclinical study demonstrated a successful myocardial infarction induction in all animals, without any reported adverse effect related to the intrapericardial administration of CDCs or EV-CDCs. Significant changes were observed in biochemical and immunological parameters after myocardial infarction. The analysis of peripheral blood leukocytes revealed an increase of M2 monocytes in the EV-CDCs group, while no differences were reported in other lymphocyte subsets. Moreover, arginase-1 (M2-differentiation marker) was significantly increased in pericardial fluids 24 h after EV-CDCs administration. In summary, we demonstrate that, in our experimental conditions, intrapericardially administered EV-CDCs have an immunomodulatory effect on monocyte polarization, showing a beneficial effect for counteracting an unbalanced inflammatory reaction in the acute phase of myocardial infarction. These M2 monocytes have been defined as “pro-regenerative cells” with a pro-angiogenic and anti-inflammatory activity.
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A Robust Percutaneous Myocardial Infarction Model in Pigs and Its Effect on Left Ventricular Function. J Cardiovasc Transl Res 2021; 14:1075-1084. [PMID: 33834389 DOI: 10.1007/s12265-021-10123-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 03/13/2021] [Indexed: 10/21/2022]
Abstract
In this study, we created a reproducible myocardial infarction (MI) model in pigs characterized by a low mortality rate and significant changes in left ventricular function. After administering an arrhythmia prevention regimen, we created a 90-min balloon-induced percutaneous MI in 42 pigs below the first diagonal branch (D1) of the left anterior descending artery. Echocardiograms were performed before and 14 days after MI induction. Pigs with a > 30% decrease in left ventricular ejection fraction (LVEF) underwent electrophysiological mapping by the NOGA system. Our mortality rate was 4.8%. The incidence of ventricular fibrillation (VF) was 28.6%; all VF events were successfully resuscitated. At day 14, echocardiography and NOGA mapping confirmed transmural scar. LVEF decreased 41% from baseline. Radial and circumferential strain significantly decreased in the LAD distal to D1, and the LV showed dyssynchrony. An anti-arrhythmia regimen decreased mortality significantly, and our model induced dramatic functional changes. The basic procedures of the model included an arrhythmia prevention protocol and myocardial infarction creation, which effectively decreased mortality and provided a robust change in left ventricular (LV) function after 14 days.
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A total closed chest sheep model of cardiogenic shock by percutaneous intracoronary ethanol injection. Sci Rep 2020; 10:12417. [PMID: 32709984 PMCID: PMC7381645 DOI: 10.1038/s41598-020-68571-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 06/26/2020] [Indexed: 12/31/2022] Open
Abstract
To develop a reproducible and stable closed chest model of ischemic cardiogenic shock in sheep, with high survival rate and potential insight into human pathology. We established a protocol for multi-step myocardial alcoholisation of the left anterior descending coronary artery by percutaneous ethanol injection. A thorough hemodynamic assessment was obtained by invasive and non-invasive monitoring devices. Repeated blood samples were obtained to determine haemoglobin and alcohol concentration, electrolytes, blood gas parameters and cardiac troponin I. After sacrifice, tissue was excised for quantification of infarction and histology. Cardiogenic shock was characterized by a significant decrease in mean arterial pressure (− 33%), cardiac output (− 29%), dP/dtmax (− 28%), carotid blood flow (− 22%), left ventricular fractional shortening (− 28%), and left ventricle end-systolic pressure–volume relationship (− 51%). Lactate and cardiac troponin I levels increased from 1.4 ± 0.2 to 4.9 ± 0.7 mmol/L (p = 0.001) and from 0.05 ± 0.02 to 14.74 ± 2.59 µg/L (p = 0.001), respectively. All haemodynamic changes were stable over a three-hour period with a 71% survival rate. The necrotic volume (n = 5) represented 24.0 ± 1.9% of total ventricular mass. No sham exhibited any variation under general anaesthesia. We described and characterized, for the first time, a stable, reproducible sheep model of cardiogenic shock obtained by percutaneous intracoronary ethanol administration.
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Báez-Díaz C, Blanco-Blázquez V, Sánchez-Margallo FM, Bayes-Genis A, González I, Abad A, Steendam R, Franssen O, Palacios I, Sánchez B, Gálvez-Montón C, Crisóstomo V. Microencapsulated Insulin-Like Growth Factor-1 therapy improves cardiac function and reduces fibrosis in a porcine acute myocardial infarction model. Sci Rep 2020; 10:7166. [PMID: 32346015 PMCID: PMC7188803 DOI: 10.1038/s41598-020-64097-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 04/03/2020] [Indexed: 12/12/2022] Open
Abstract
Insulin-like growth factor-1 (IGF-1) has demonstrated beneficial effects after myocardial infarction (MI). Microencapsulation of IGF-1 could potentially improve results. We aimed to test the effect of an intracoronary (IC) infusion of microencapsulated IGF-1 in a swine acute MI model. For that purpose IC injection of a 10 ml solution of 5 × 106 IGF-1 loaded microspheres (MSPs) (n = 8, IGF-1 MSPs), 5 × 106 unloaded MSPs (n = 9; MSPs) or saline (n = 7; CON) was performed 48 hours post-MI. Left ventricular ejection fraction (LVEF), indexed ventricular volumes and infarct size (IS) were determined by cardiac magnetic resonance at pre-injection and 10 weeks. Animals were euthanized at 10 weeks, and myocardial fibrosis and vascular density were analysed. End-study LVEF was significantly greater in IGF-1 MSPs compared to MSPs and CON, while ventricular volumes exhibited no significant differences between groups. IS decreased over time in all groups. Collagen volume fraction on the infarct area was significantly reduced in IGF-1 MSPs compared to CON and MSPs. Vascular density analysis of infarct and border zones showed no significant differences between groups. In conclusion, the IC injection of 5 × 106 IGF-1 loaded MSPs in a porcine acute MI model successfully improves cardiac function and limits myocardial fibrosis, which could be clinically relevant.
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Affiliation(s)
- Claudia Báez-Díaz
- Jesús Usón Minimally Invasive Surgery Centre, Cáceres, Spain.
- CIBERCV, Madrid, Spain.
| | | | | | - Antoni Bayes-Genis
- CIBERCV, Madrid, Spain
- ICREC (Heart Failure and Cardiac Regeneration) Research Programme, Health Sciences Research Institute Germans Trias i Pujol (IGTP), Badalona, Barcelona, Spain
| | - Irene González
- Jesús Usón Minimally Invasive Surgery Centre, Cáceres, Spain
| | - Ana Abad
- Jesús Usón Minimally Invasive Surgery Centre, Cáceres, Spain
| | - Rob Steendam
- Innocore Pharmaceuticals, Groningen, The Netherlands
| | | | | | | | - Carolina Gálvez-Montón
- CIBERCV, Madrid, Spain
- ICREC (Heart Failure and Cardiac Regeneration) Research Programme, Health Sciences Research Institute Germans Trias i Pujol (IGTP), Badalona, Barcelona, Spain
| | - Verónica Crisóstomo
- Jesús Usón Minimally Invasive Surgery Centre, Cáceres, Spain
- CIBERCV, Madrid, Spain
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López E, Sánchez-Margallo FM, Álvarez V, Blázquez R, Marinaro F, Abad A, Martín H, Báez C, Blanco V, Crisóstomo V, Casado JG. Identification of very early inflammatory markers in a porcine myocardial infarction model. BMC Vet Res 2019; 15:91. [PMID: 30898123 PMCID: PMC6427889 DOI: 10.1186/s12917-019-1837-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 03/05/2019] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Acute myocardial infarction (AMI) is one of the most deleterious conditions leading to cardiovascular diseases and mortality. The importance of an early and accurate diagnosis assures immediate medical treatments, which are fundamental to reduce mortality and improve prognoses. AMI is associated to an inflammatory response which includes the increase of circulating inflammatory cytokines, chemokines and immune cell activation. This study aimed to identify which are the very early immune-related biomarkers that may be used as predictors of myocardial infarction severity. In order to mimic the pathophysiological events involved in human myocardial infarction, a temporary occlusion (90 min) of the mid-left anterior descending coronary artery was performed in a swine animal model. RESULTS Lymphocyte subsets analysis in peripheral blood revealed significant alterations in CD4+/CD8+ ratio and naïve and effector/memory T cell percentages at 1 h post-myocardial infarction. Changes in TH1/TH2-related cytokine, monocyte and neutrophil markers gene expression were observed in peripheral blood lymphocytes, as well. Additionally, significant correlations between cardiac parameters (cardiac enzymes, left ventricular ejection fraction and % infarct) and blood-derived parameters (cytokine expression and lymphocyte subset distribution) were found. CONCLUSIONS Peripheral blood lymphocyte alterations are easily and swiftly detectable, so they may be good biomarkers for a very early prognosis and to predict myocardial infarction severity.
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Affiliation(s)
- Esther López
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, 10071 Cáceres, Spain
| | - Francisco Miguel Sánchez-Margallo
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, 10071 Cáceres, Spain
- CIBER de Enfermedades Cardiovasculares, 28029 Madrid, Spain
| | - Verónica Álvarez
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, 10071 Cáceres, Spain
| | - Rebeca Blázquez
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, 10071 Cáceres, Spain
- CIBER de Enfermedades Cardiovasculares, 28029 Madrid, Spain
| | - Federica Marinaro
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, 10071 Cáceres, Spain
| | - Ana Abad
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, 10071 Cáceres, Spain
| | - Helena Martín
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, 10071 Cáceres, Spain
| | - Claudia Báez
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, 10071 Cáceres, Spain
- CIBER de Enfermedades Cardiovasculares, 28029 Madrid, Spain
| | - Virginia Blanco
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, 10071 Cáceres, Spain
- CIBER de Enfermedades Cardiovasculares, 28029 Madrid, Spain
| | - Verónica Crisóstomo
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, 10071 Cáceres, Spain
- CIBER de Enfermedades Cardiovasculares, 28029 Madrid, Spain
| | - Javier García Casado
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, 10071 Cáceres, Spain
- CIBER de Enfermedades Cardiovasculares, 28029 Madrid, Spain
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Blázquez R, Álvarez V, Antequera-Barroso JA, Báez-Díaz C, Blanco V, Maestre J, Moreno-Lobato B, López E, Marinaro F, Casado JG, Crisóstomo V, Sánchez-Margallo FM. Altered hematological, biochemical and immunological parameters as predictive biomarkers of severity in experimental myocardial infarction. Vet Immunol Immunopathol 2018; 205:49-57. [PMID: 30459001 DOI: 10.1016/j.vetimm.2018.10.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 10/09/2018] [Accepted: 10/19/2018] [Indexed: 11/30/2022]
Abstract
Preclinical studies in cardiovascular medicine are necessary to translate basic research to the clinic. The porcine model has been widely used to understand the biological mechanisms involved in cardiovascular disorders for which purpose different closed-chest models have been developed in the last years to mimic the pathophysiological events seen in human myocardial infarction. In this work, we studied hematological, biochemical and immunological parameters, as well as Magnetic resonance derived cardiac function measurements obtained from a swine myocardial infarction model. We identified some blood parameters which were significantly altered after myocardial infarction induction. More importantly, these parameters (gamma-glutamyl transferase, glutamic pyruvic transaminase, red blood cell counts, hemoglobin concentration, hematocrit, platelet count and plateletcrit) correlated positively with cardiac function, infarct size and/or cardiac enzymes (troponin I and creatine kinase-MB). Thus several blood-derived parameters have allowed us to predict the severity of myocardial infarction in a clinically relevant animal model. Therefore, here we provide a simple, affordable and reliable way that could prove useful in the follow up of myocardial infarction and in the evaluation of new therapeutic strategies in this animal model.
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Affiliation(s)
- Rebeca Blázquez
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, Cáceres, 10071, Spain; CIBER de Enfermedades Cardiovasculares, Madrid, 28029, Spain.
| | - Verónica Álvarez
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, Cáceres, 10071, Spain.
| | | | - Claudia Báez-Díaz
- CIBER de Enfermedades Cardiovasculares, Madrid, 28029, Spain; Endoluminal Therapy and Diagnosis Unit, Jesús Usón Minimally Invasive Surgery Centre, Cáceres, 10071, Spain.
| | - Virginia Blanco
- CIBER de Enfermedades Cardiovasculares, Madrid, 28029, Spain; Endoluminal Therapy and Diagnosis Unit, Jesús Usón Minimally Invasive Surgery Centre, Cáceres, 10071, Spain.
| | - Juan Maestre
- CIBER de Enfermedades Cardiovasculares, Madrid, 28029, Spain; Endoluminal Therapy and Diagnosis Unit, Jesús Usón Minimally Invasive Surgery Centre, Cáceres, 10071, Spain.
| | - Beatriz Moreno-Lobato
- Animal Modelling Service, Jesús Usón Minimally Invasive Surgery Centre, Cáceres, 10071, Spain.
| | - Esther López
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, Cáceres, 10071, Spain.
| | - Federica Marinaro
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, Cáceres, 10071, Spain.
| | - Javier G Casado
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, Cáceres, 10071, Spain; CIBER de Enfermedades Cardiovasculares, Madrid, 28029, Spain.
| | - Verónica Crisóstomo
- CIBER de Enfermedades Cardiovasculares, Madrid, 28029, Spain; Endoluminal Therapy and Diagnosis Unit, Jesús Usón Minimally Invasive Surgery Centre, Cáceres, 10071, Spain.
| | - Francisco Miguel Sánchez-Margallo
- Stem Cell Therapy Unit, Jesús Usón Minimally Invasive Surgery Centre, Cáceres, 10071, Spain; CIBER de Enfermedades Cardiovasculares, Madrid, 28029, Spain.
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Jin J, Chen M, Li Y, Wang Y, Zhang S, Wang Z, Wang L, Ju S. Detecting Acute Myocardial Infarction by Diffusion-Weighted versus T2-Weighted Imaging and Myocardial Necrosis Markers. Tex Heart Inst J 2016; 43:383-391. [PMID: 27777517 DOI: 10.14503/thij-15-5462] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We used a porcine model of acute myocardial infarction to study the signal evolution of ischemic myocardium on diffusion-weighted magnetic resonance images (DWI). Eight Chinese miniature pigs underwent percutaneous left anterior descending or left circumflex coronary artery occlusion for 90 minutes followed by reperfusion, which induced acute myocardial infarction. We used DWI preprocedurally and hourly for 4 hours postprocedurally. We acquired turbo inversion recovery magnitude T2-weighted images (TIRM T2WI) and late gadolinium enhancement images from the DWI slices. We measured the serum myocardial necrosis markers myoglobin, creatine kinase-MB isoenzyme, and cardiac troponin I at the same time points as the magnetic resonance scanning. We used histochemical staining to confirm injury. All images were analyzed qualitatively. Contrast-to-noise ratio (the contrast between infarcted and healthy myocardium) and relative signal index were used in quantitative image analysis. We found that DWI identified myocardial signal abnormity early (<4 hr) after acute myocardial infarction and identified the infarct-related high signal more often than did TIRM T2WI: 7 of 8 pigs (87.5%) versus 3 of 8 (37.5%) (P=0.046). Quantitative image analysis yielded a significant difference in contrast-to-noise ratio and relative signal index between infarcted and normal myocardium on DWI. However, within 4 hours after infarction, the serologic myocardial injury markers were not significantly positive. We conclude that DWI can be used to detect myocardial signal abnormalities early after acute myocardial infarction-identifying the infarction earlier than TIRM T2WI and widely used clinical serologic biomarkers.
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Tao B, Gao H, Zheng M, Luo Z, Liu L, Bai W, Wang J, Liu D, Ma S, Luo Z, Gao L, Wang Y, Cao F. Preclinical modeling and multimodality imaging of chronic myocardial infarction in minipigs induced by novel interventional embolization technique. EJNMMI Res 2016; 6:59. [PMID: 27393423 PMCID: PMC4938836 DOI: 10.1186/s13550-016-0214-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Accepted: 06/29/2016] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND This study was designed to establish a chronic myocardial infarction (MI) model in minipigs with a novel coronary sequential balloons-sponge embolism technique. METHODS Eighteen healthy minipigs (25-30 kg) were randomly divided into three groups for left anterior descending artery (LAD) occlusion: conventional balloon occlusion group (BO group, temporary balloon occlusion for 60 mins), half-balloon embolism group (HB group), and sequential balloon-balloon-sponge embolism group (BBS group, two half-balloons with one sponge as the embolism clot). The incidence of ventricular fibrillation (VF), total mortality, operating time, and vascular recanalization 3 months post-MI was recorded and compared. Echocardiography, multimodality nuclear medical imaging, and histology staining were applied for the evaluation of infarction. RESULTS Thirteen out of 18 minipigs survived after the operation, while 5 animals died with VF (3 in the BO group, 1 in the HB group, and 1 in the BBS group), with an 83.3 % (5/6 minipigs) acute procedural survival rate in embolism groups. The operating duration was 60.0 ± 0.5 mins, 21.4 ± 5.2 mins, and 31.2 ± 4.7 mins in the three groups, respectively. LAD recanalization was found in three animals of the HB group but none in the BBS group by angiography follow-up. The infarct sizes were more stable and larger in the HB group and BBS group than that in the BO group (P < 0.05, n = 13). CONCLUSIONS The method of sequential balloons-sponge embolization could induce myocardial infarction with consistent and sustained embolization and gain higher operation success rate and better repeatability in minipigs, which holds a promising method for preclinical MI study.
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Affiliation(s)
- Bo Tao
- Department of Cardiology, Chinese PLA General Hospital, Fuxing Street 28#, Haidian District, Beijing, 100853, China.,Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Haokao Gao
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Minwen Zheng
- Department of Radiology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Zhonghua Luo
- Department of Radiology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Liwen Liu
- Department of Ultrasonography, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Wei Bai
- Department of Ultrasonography, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Jing Wang
- Department of Nuclear Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Daliang Liu
- Department of Nuclear Medicine, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Sai Ma
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Zhenli Luo
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Lei Gao
- Department of Cardiology, Chinese PLA General Hospital, Fuxing Street 28#, Haidian District, Beijing, 100853, China
| | - Yabin Wang
- Department of Cardiology, Chinese PLA General Hospital, Fuxing Street 28#, Haidian District, Beijing, 100853, China
| | - Feng Cao
- Department of Cardiology, Chinese PLA General Hospital, Fuxing Street 28#, Haidian District, Beijing, 100853, China.
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12
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Common swine models of cardiovascular disease for research and training. Lab Anim (NY) 2016; 45:67-74. [DOI: 10.1038/laban.935] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Accepted: 09/28/2015] [Indexed: 12/14/2022]
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13
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Sarin EL, Shi W, Duara R, Melone TA, Kalra K, Strong A, Girish A, McIver BV, Thourani VH, Guyton RA, Padala M. Swine (Sus scrofa) as a Model of Postinfarction Mitral Regurgitation and Techniques to Accommodate Its Effects during Surgical Repair. Comp Med 2016; 66:290-299. [PMID: 27538860 PMCID: PMC4983171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Revised: 01/05/2016] [Accepted: 01/22/2016] [Indexed: 06/06/2023]
Abstract
Mitral regurgitation (MR) is a common heart-valve lesion after myocardial infarction in humans. Because it is considered a risk factor for accelerated heart failure and death, various surgical approaches and catheter-based devices to correct it are in development. Lack of a reproducible animal model of MR after myocardial infarction and reliable techniques to perform open-heart surgery in these diseased models led to the use of healthy animals to test new devices. Thus, most devices that are deemed safe in healthy animals have shown poor results in human efficacy studies, hampering progress in this area of research. Here we report our experience with a swine model of postinfarction MR, describe techniques to induce regurgitation and perform open-heart surgery in these diseased animals, and discuss our outcomes, complications, and solutions.
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Affiliation(s)
- Eric L Sarin
- Structural Heart Disease Research and Innovation Laboratory, Division of Cardiothoracic Surgery, Carlyle Fraser Heart Center, Emory University, Atlanta, Georgia, USA
| | - Weiwei Shi
- Structural Heart Disease Research and Innovation Laboratory, Division of Cardiothoracic Surgery, Carlyle Fraser Heart Center, Emory University, Atlanta, Georgia, USA
| | - Rajnish Duara
- Structural Heart Disease Research and Innovation Laboratory, Division of Cardiothoracic Surgery, Carlyle Fraser Heart Center, Emory University, Atlanta, Georgia, USA
| | - Todd A Melone
- Cardiac Perfusion Services, Emory Healthcare, Atlanta, Georgia, USA
| | - Kanika Kalra
- Structural Heart Disease Research and Innovation Laboratory, Division of Cardiothoracic Surgery, Carlyle Fraser Heart Center, Emory University, Atlanta, Georgia, USA
| | - Ashley Strong
- Structural Heart Disease Research and Innovation Laboratory, Division of Cardiothoracic Surgery, Carlyle Fraser Heart Center, Emory University, Atlanta, Georgia, USA
| | - Apoorva Girish
- Structural Heart Disease Research and Innovation Laboratory, Division of Cardiothoracic Surgery, Carlyle Fraser Heart Center, Emory University, Atlanta, Georgia, USA
| | - Bryant V McIver
- Structural Heart Disease Research and Innovation Laboratory, Division of Cardiothoracic Surgery, Carlyle Fraser Heart Center, Emory University, Atlanta, Georgia, USA
| | - Vinod H Thourani
- Structural Heart Disease Research and Innovation Laboratory, Division of Cardiothoracic Surgery, Carlyle Fraser Heart Center, Emory University, Atlanta, Georgia, USA
| | - Robert A Guyton
- Structural Heart Disease Research and Innovation Laboratory, Division of Cardiothoracic Surgery, Carlyle Fraser Heart Center, Emory University, Atlanta, Georgia, USA
| | - Muralidhar Padala
- Structural Heart Disease Research and Innovation Laboratory, Division of Cardiothoracic Surgery, Carlyle Fraser Heart Center, Emory University, Atlanta, Georgia, USA.
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14
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Hanes DW, Wong ML, Jenny Chang CW, Humphrey S, Grayson JK, Boyd WD, Griffiths LG. Embolization of the first diagonal branch of the left anterior descending coronary artery as a porcine model of chronic trans-mural myocardial infarction. J Transl Med 2015; 13:187. [PMID: 26047812 PMCID: PMC4634919 DOI: 10.1186/s12967-015-0547-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Accepted: 05/25/2015] [Indexed: 12/24/2022] Open
Abstract
Background Although the incidence of acute death related to coronary artery disease has decreased with the advent of new interventional therapies, myocardial infarction remains one of the leading causes of death in the US. Current animal models developed to replicate this phenomenon have been associated with unacceptably high morbidity and mortality. A new model utilizing the first diagonal branch of the left anterior descending artery (D1-LAD) was developed to provide a clinically relevant lesion, while attempting to minimize the incidence of adverse complications associated with infarct creation. Methods Eight Yucatan miniature pigs underwent percutaneous embolization of the D1-LAD via injection of 90 µm polystyrene micro-spheres. Cardiac structure and function were monitored at baseline, immediately post-operatively, and at 8-weeks post-infarct using transthoracic echocardiography. Post-mortem histopathology and biochemical analyses were performed to evaluate for changes in myocardial structure and extracellular matrix (ECM) composition respectively. Echocardiographic data were evaluated using a repeated measures analysis of variance followed by Tukey’s HSD post hoc test. Biochemical analyses of infarcted to non-infarcted myocardium were compared using analysis of variance. Results All eight pigs successfully underwent echocardiography prior to catheterization. Overall procedural survival rate was 83% (5/6) with one pig excluded due to failure of infarction and another due to deviation from protocol. Ejection fraction significantly decreased from 69.7 ± 7.8% prior to infarction to 50.6 ± 14.7% immediately post-infarction, and progressed to 48.7 ± 8.9% after 8-weeks (p = 0.011). Left ventricular diameter in systole significantly increased from 22.6 ± 3.8 mm pre-operatively to 30.9 ± 5.0 mm at 8 weeks (p = 0.016). Histopathology showed the presence of disorganized fibrosis on hematoxylin and eosin and Picro Sirius red stains. Collagen I and sulfated glycosaminoglycan content were significantly greater in the infarcted region than in normal myocardium (p = 0.007 and p = 0.018, respectively); however, pyridinoline crosslink content per collagen I content in the infarcted region was significantly less than normal myocardium (p = 0.048). Conclusion Systolic dysfunction and changes in ECM composition induced via embolization of the D1-LAD closely mimic those found in individuals with chronic myocardial infarction (MI), and represents a location visible without the need for anesthesia. As a result, this method represents a useful model for studying chronic MI. Electronic supplementary material The online version of this article (doi:10.1186/s12967-015-0547-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Derek W Hanes
- Department of Veterinary Medicine and Epidemiology, University of California, Davis, One Shields Ave., Davis, CA, 95616, USA.
| | - Maelene L Wong
- Department of Veterinary Medicine and Epidemiology, University of California, Davis, One Shields Ave., Davis, CA, 95616, USA.
| | - C W Jenny Chang
- Department of Veterinary Medicine and Epidemiology, University of California, Davis, One Shields Ave., Davis, CA, 95616, USA.
| | - Sterling Humphrey
- University of California Davis, Medical Center, 2221 Stockton Blvd, Sacramento, CA, 95817, USA.
| | - J Kevin Grayson
- Clinical Investigation Facility, David Grant USAF Medical Center, 101 Bodin Circle, Travis AFB, CA, 94535, USA.
| | - Walter D Boyd
- University of California Davis, Medical Center, 2221 Stockton Blvd, Sacramento, CA, 95817, USA.
| | - Leigh G Griffiths
- Department of Veterinary Medicine and Epidemiology, University of California, Davis, One Shields Ave., Davis, CA, 95616, USA.
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15
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Crisostomo V, Baez-Diaz C, Maestre J, Garcia-Lindo M, Sun F, Casado JG, Blazquez R, Abad JL, Palacios I, Rodriguez-Borlado L, Sanchez-Margallo FM. Delayed administration of allogeneic cardiac stem cell therapy for acute myocardial infarction could ameliorate adverse remodeling: experimental study in swine. J Transl Med 2015; 13:156. [PMID: 25964098 PMCID: PMC4458045 DOI: 10.1186/s12967-015-0512-2] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Accepted: 04/30/2015] [Indexed: 02/07/2023] Open
Abstract
Background The optimal timing of cardiac stem cells administration is still unclear. We assessed the safety of same-day and delayed (one week) delivery and the possible influence of the timing on the therapeutic outcomes of allogeneic porcine cardiac stem cells administration after acute myocardial infarction in a closed-chest ischemia-reperfusion model. Methods Female swine surviving 90 min occlusion of the mid left anterior descending coronary artery received an intracoronary injection of 25x106 porcine cardiac stem cells either two hours (n = 5, D0) or 7 days (n = 6, D7) after reperfusion. Controls received intracoronary injection of vehicle on day 7 (n = 6, CON). Safety was defined in terms of absence of major cardiac events, changes to the ECG during injection, post-administration coronary flow assessed using the TIMI scale and cardiac troponin I determination after the intervention. Cardiac Magnetic Resonance was performed for morphological and functional assessment prior to infarction, before injection (D7 and CON groups only), at one and 10 weeks. Samples were taken from the infarct and transition areas for pathological examination. Results No major adverse cardiac events were seen during injection in any group. Animals receiving the therapy on the same day of infarction (D0 group) showed mild transient ST changes during injection (n = 4) and, in one case, slightly compromised coronary flow (TIMI 2). Cardiac function parameters and infarct sizes were not significantly different between groups, with a trend towards higher ejection fraction in the treated groups. Ventricular volumes indexed to body surface area increased over time in control animals, and decreased by the end of the study in animals receiving the therapy, significantly so when comparing End Diastolic Volume between CON and D7 groups (CON: 121.70 ml/m2 ± 26.09 ml/m2, D7: 98.71 ml/m2 ± 8.30 ml/m2, p = 0.037). The treated groups showed less organization of the collagenous scar, and a significantly (p = 0.019) higher amount of larger, more mature vessels at the infarct border. Conclusions The intracoronary injection of 25x106 allogeneic cardiac stem cells is generally safe, both early and 7 days after experimental infarction, and alleviates myocardial dysfunction, with a greater limitation of left ventricular remodeling when performed at one week. Electronic supplementary material The online version of this article (doi:10.1186/s12967-015-0512-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Veronica Crisostomo
- Jesús Usón Minimally Invasive Surgery Centre, Carretera N-521, km 41.8, 10071, Cáceres, Spain.
| | - Claudia Baez-Diaz
- Jesús Usón Minimally Invasive Surgery Centre, Carretera N-521, km 41.8, 10071, Cáceres, Spain.
| | - Juan Maestre
- Jesús Usón Minimally Invasive Surgery Centre, Carretera N-521, km 41.8, 10071, Cáceres, Spain.
| | - Monica Garcia-Lindo
- Jesús Usón Minimally Invasive Surgery Centre, Carretera N-521, km 41.8, 10071, Cáceres, Spain.
| | - Fei Sun
- Jesús Usón Minimally Invasive Surgery Centre, Carretera N-521, km 41.8, 10071, Cáceres, Spain.
| | - Javier G Casado
- Jesús Usón Minimally Invasive Surgery Centre, Carretera N-521, km 41.8, 10071, Cáceres, Spain.
| | - Rebeca Blazquez
- Jesús Usón Minimally Invasive Surgery Centre, Carretera N-521, km 41.8, 10071, Cáceres, Spain.
| | - Jose L Abad
- Coretherapix, Santiago Grisolía, n° 2 Parque Científico de Madrid, 28760, Tres Cantos, Madrid, Spain.
| | - Itziar Palacios
- Coretherapix, Santiago Grisolía, n° 2 Parque Científico de Madrid, 28760, Tres Cantos, Madrid, Spain.
| | - Luis Rodriguez-Borlado
- Coretherapix, Santiago Grisolía, n° 2 Parque Científico de Madrid, 28760, Tres Cantos, Madrid, Spain.
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16
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Blázquez R, Sánchez-Margallo FM, Crisóstomo V, Báez C, Maestre J, García-Lindo M, Usón A, Álvarez V, Casado JG. Intrapericardial administration of mesenchymal stem cells in a large animal model: a bio-distribution analysis. PLoS One 2015; 10:e0122377. [PMID: 25816232 PMCID: PMC4376786 DOI: 10.1371/journal.pone.0122377] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Accepted: 02/15/2015] [Indexed: 12/18/2022] Open
Abstract
The appropriate administration route for cardiovascular cell therapy is essential to ensure the viability, proliferative potential, homing capacity and implantation of transferred cells. At the present, the intrapericardial administration of pharmacological agents is considered an efficient method for the treatment of cardiovascular diseases. However, only a few reports have addressed the question whether the intrapericardial delivery of Mesenchymal Stem Cells (MSCs) could be an optimal administration route. This work firstly aimed to analyze the pericardial fluid as a cell-delivery vehicle. Moreover, the in vivo biodistribution pattern of intrapericardially administered MSCs was evaluated in a clinically relevant large animal model. Our in vitro results firstly showed that, MSCs viability, proliferative behavior and phenotypic profile were unaffected by exposure to pericardial fluid. Secondly, in vivo cell tracking by magnetic resonance imaging, histological examination and Y-chromosome amplification clearly demonstrated the presence of MSCs in pericardium, ventricles (left and right) and atrium (left and right) when MSCs were administered into the pericardial space. In conclusion, here we demonstrate that pericardial fluid is a suitable vehicle for MSCs and intrapericardial route provides an optimal retention and implantation of MSCs.
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Affiliation(s)
- Rebeca Blázquez
- Stem Cell Therapy Unit, Minimally Invasive Surgery Centre, Caceres, Spain
| | | | - Verónica Crisóstomo
- Endoluminal Therapy and Diagnosis, Minimally Invasive Surgery Centre, Caceres, Spain
| | - Claudia Báez
- Endoluminal Therapy and Diagnosis, Minimally Invasive Surgery Centre, Caceres, Spain
| | - Juan Maestre
- Endoluminal Therapy and Diagnosis, Minimally Invasive Surgery Centre, Caceres, Spain
| | | | - Alejandra Usón
- Stem Cell Therapy Unit, Minimally Invasive Surgery Centre, Caceres, Spain
| | - Verónica Álvarez
- Stem Cell Therapy Unit, Minimally Invasive Surgery Centre, Caceres, Spain
| | - Javier G. Casado
- Stem Cell Therapy Unit, Minimally Invasive Surgery Centre, Caceres, Spain
- * E-mail:
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17
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Cardiac function in a long-term follow-up study of moderate and severe porcine model of chronic myocardial infarction. BIOMED RESEARCH INTERNATIONAL 2015; 2015:209315. [PMID: 25802838 PMCID: PMC4352740 DOI: 10.1155/2015/209315] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Accepted: 10/14/2014] [Indexed: 11/17/2022]
Abstract
BACKGROUND Novel therapies need to be evaluated in a relevant large animal model that mimics the clinical course and treatment in a reasonable time frame. To reliably assess therapeutic efficacy, knowledge regarding the translational model and the course of disease is needed. METHODS Landrace pigs were subjected to a transient occlusion of the proximal left circumflex artery (LCx) (n = 6) or mid-left anterior descending artery (LAD) (n = 6) for 150 min. Cardiac function was evaluated before by 2D echocardiography or 3D echocardiography and pressure-volume loop analysis. At 12 weeks of follow-up the heart was excised for histological analysis and infarct size calculations. RESULTS Directly following AMI, LVEF was severely reduced compared to baseline in the LAD group (-17.1 ± 1.6%, P = 0.009) compared to only a moderate reduction in the LCx group (-5.9 ± 1.5%, P = 0.02) and this effect remained unchanged during 12 weeks of follow-up. CONCLUSION Two models of chronic MI, representative for different patient groups, can reproducibly be created through clinically relevant ischemia-reperfusion of the mid-LAD and proximal LCx.
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18
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Yee K, Malliaras K, Kanazawa H, Tseliou E, Cheng K, Luthringer DJ, Ho CS, Takayama K, Minamino N, Dawkins JF, Chowdhury S, Duong DT, Seinfeld J, Middleton RC, Dharmakumar R, Li D, Marbán L, Makkar RR, Marbán E. Allogeneic cardiospheres delivered via percutaneous transendocardial injection increase viable myocardium, decrease scar size, and attenuate cardiac dilatation in porcine ischemic cardiomyopathy. PLoS One 2014; 9:e113805. [PMID: 25460005 PMCID: PMC4251970 DOI: 10.1371/journal.pone.0113805] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Accepted: 10/30/2014] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Epicardial injection of heart-derived cell products is safe and effective post-myocardial infarction (MI), but clinically-translatable transendocardial injection has never been evaluated. We sought to assess the feasibility, safety and efficacy of percutaneous transendocardial injection of heart-derived cells in porcine chronic ischemic cardiomyopathy. METHODS AND RESULTS We studied a total of 89 minipigs; 63 completed the specified protocols. After NOGA-guided transendocardial injection, we quantified engraftment of escalating doses of allogeneic cardiospheres or cardiosphere-derived cells in minipigs (n = 22) post-MI. Next, a dose-ranging, blinded, randomized, placebo-controlled ("dose optimization") study of transendocardial injection of the better-engrafting product was performed in infarcted minipigs (n = 16). Finally, the superior product and dose (150 million cardiospheres) were tested in a blinded, randomized, placebo-controlled ("pivotal") study (n = 22). Contrast-enhanced cardiac MRI revealed that all cardiosphere doses preserved systolic function and attenuated remodeling. The maximum feasible dose (150 million cells) was most effective in reducing scar size, increasing viable myocardium and improving ejection fraction. In the pivotal study, eight weeks post-injection, histopathology demonstrated no excess inflammation, and no myocyte hypertrophy, in treated minipigs versus controls. No alloreactive donor-specific antibodies developed over time. MRI showed reduced scar size, increased viable mass, and attenuation of cardiac dilatation with no effect on ejection fraction in the treated group compared to placebo. CONCLUSIONS Dose-optimized injection of allogeneic cardiospheres is safe, decreases scar size, increases viable myocardium, and attenuates cardiac dilatation in porcine chronic ischemic cardiomyopathy. The decreases in scar size, mirrored by increases in viable myocardium, are consistent with therapeutic regeneration.
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Affiliation(s)
- Kristine Yee
- Cedars-Sinai Heart Institute, Los Angeles, California, United States of America
| | | | - Hideaki Kanazawa
- Cedars-Sinai Heart Institute, Los Angeles, California, United States of America
| | - Eleni Tseliou
- Cedars-Sinai Heart Institute, Los Angeles, California, United States of America
| | - Ke Cheng
- Cedars-Sinai Heart Institute, Los Angeles, California, United States of America
- Department of Molecular Biomedical Sciences and Center for Comparative Medicine and Translational Research, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States of America
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, North Carolina, United States of America
| | | | - Chak-Sum Ho
- Gift of Life Michigan, Ann Arbor, Michigan, United States of America
| | - Kentaro Takayama
- National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
| | - Naoto Minamino
- National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
| | - James F. Dawkins
- Cedars-Sinai Heart Institute, Los Angeles, California, United States of America
| | - Supurna Chowdhury
- Cedars-Sinai Heart Institute, Los Angeles, California, United States of America
| | - Doan Trang Duong
- Cedars-Sinai Heart Institute, Los Angeles, California, United States of America
| | - Jeffrey Seinfeld
- Cedars-Sinai Heart Institute, Los Angeles, California, United States of America
| | - Ryan C. Middleton
- Cedars-Sinai Heart Institute, Los Angeles, California, United States of America
| | - Rohan Dharmakumar
- Cedars-Sinai Biomedical Imaging Research Institute, Los Angeles, California, United States of America
| | - Debiao Li
- Cedars-Sinai Biomedical Imaging Research Institute, Los Angeles, California, United States of America
| | - Linda Marbán
- Cedars-Sinai Heart Institute, Los Angeles, California, United States of America
- Capricor, Beverly Hills, California, United States of America
| | - Raj R. Makkar
- Cedars-Sinai Heart Institute, Los Angeles, California, United States of America
| | - Eduardo Marbán
- Cedars-Sinai Heart Institute, Los Angeles, California, United States of America
- Capricor, Beverly Hills, California, United States of America
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19
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Lecour S, Bøtker HE, Condorelli G, Davidson SM, Garcia-Dorado D, Engel FB, Ferdinandy P, Heusch G, Madonna R, Ovize M, Ruiz-Meana M, Schulz R, Sluijter JPG, Van Laake LW, Yellon DM, Hausenloy DJ. ESC working group cellular biology of the heart: position paper: improving the preclinical assessment of novel cardioprotective therapies. Cardiovasc Res 2014; 104:399-411. [PMID: 25344369 PMCID: PMC4242141 DOI: 10.1093/cvr/cvu225] [Citation(s) in RCA: 134] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Ischaemic heart disease (IHD) remains the leading cause of death and disability worldwide. As a result, novel therapies are still needed to protect the heart from the detrimental effects of acute ischaemia–reperfusion injury, in order to improve clinical outcomes in IHD patients. In this regard, although a large number of novel cardioprotective therapies discovered in the research laboratory have been investigated in the clinical setting, only a few of these have been demonstrated to improve clinical outcomes. One potential reason for this lack of success may have been the failure to thoroughly assess the cardioprotective efficacy of these novel therapies in suitably designed preclinical experimental animal models. Therefore, the aim of this Position Paper by the European Society of Cardiology Working Group Cellular Biology of the Heart is to provide recommendations for improving the preclinical assessment of novel cardioprotective therapies discovered in the research laboratory, with the aim of increasing the likelihood of success in translating these new treatments into improved clinical outcomes.
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Affiliation(s)
- Sandrine Lecour
- Hatter Institute for Cardiovascular Research in Africa and MRC Inter-University Cape Heart Group, University of Cape Town, Cape Town, South Africa
| | - Hans E Bøtker
- Department of Cardiology, Aarhus University Hospital Skejby, Aarhus N, Denmark
| | - Gianluigi Condorelli
- Humanitas Clinical and Research Institute, National Research Council of Italy, Rozzano, Italy
| | - Sean M Davidson
- The Hatter Cardiovascular Institute, University College London, 67 Chenies Mews
| | - David Garcia-Dorado
- Department of Cardiology, Vall d'Hebron University Hospital and Research Institute, Universitat Autónoma de Barcelona, Barcelona, Spain
| | - Felix B Engel
- Experimental Renal and Cardiovascular Research, Department of Nephropathology, Institute of Pathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Peter Ferdinandy
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary Pharmahungary Group, Szeged, Hungary
| | - Gerd Heusch
- Institut für Pathophysiologie, West German Heart and Vascular Centre, Universitätsklinikum Essen, Essen, Germany
| | - Rosalinda Madonna
- Institute of Cardiology and Center of Excellence on Aging, 'G. d'Annunzio' University of Chieti, Chieti, Italy Texas Heart Institute, Houston, TX, USA Department of Internal Medicine, University of Texas Medical School, Center of Cardiovascular and Atherosclerosis Research, Houston, TX, USA
| | - Michel Ovize
- Inserm U 1060 (CarMeN_Cardioprotection Team) & CIC de Lyon, Service d'Exploration Fonctionnelles Cardiovasculaires, Hospices Civils de Lyon, Université Claude Bernard Lyon1, Lyon, France
| | - Marisol Ruiz-Meana
- Department of Cardiology, Vall d'Hebron University Hospital and Research Institute, Universitat Autónoma de Barcelona, Barcelona, Spain
| | | | | | - Linda W Van Laake
- University Medical Center Utrecht and Hubrecht Institute, Utrecht, the Netherlands
| | - Derek M Yellon
- The Hatter Cardiovascular Institute, University College London, 67 Chenies Mews
| | - Derek J Hausenloy
- The Hatter Cardiovascular Institute, University College London, 67 Chenies Mews
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20
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Boukens BJ, Rivaud MR, Rentschler S, Coronel R. Misinterpretation of the mouse ECG: 'musing the waves of Mus musculus'. J Physiol 2014; 592:4613-26. [PMID: 25260630 DOI: 10.1113/jphysiol.2014.279380] [Citation(s) in RCA: 85] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The ECG is a primary diagnostic tool in patients suffering from heart disease, underscoring the importance of understanding factors contributing to normal and abnormal electrical patterns. Over the past few decades, transgenic mouse models have been increasingly used to study pathophysiological mechanisms of human heart diseases. In order to allow extrapolation of insights gained from murine models to the human condition, knowledge of the similarities and differences between the mouse and human ECG is of crucial importance. In this review, we briefly discuss the physiological mechanisms underlying differences between the baseline ECG of humans and mice, and provide a framework for understanding how these inherent differences are relevant to the interpretation of the mouse ECG during pathology and to the translation of the results from the mouse to man.
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Affiliation(s)
- Bastiaan J Boukens
- Department of Biomedical Engineering, Washington University, St Louis, MO 63119, USA
| | - Mathilde R Rivaud
- Department of Experimental Cardiology, Academic Medical Center, Amsterdam, The Netherlands
| | - Stacey Rentschler
- Department of Medicine, Cardiovascular Division, and Department of Developmental Biology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Ruben Coronel
- Department of Experimental Cardiology, Academic Medical Center, Amsterdam, The Netherlands L'Institut de RYthmologie et de modélisation Cardiaque (LIRYC), Université Bordeaux Segalen, Bordeaux, France
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Gálvez-Montón C, Prat-Vidal C, Díaz-Güemes I, Crisóstomo V, Soler-Botija C, Roura S, Llucià-Valldeperas A, Perea-Gil I, Sánchez-Margallo FM, Bayes-Genis A. Comparison of two preclinical myocardial infarct models: coronary coil deployment versus surgical ligation. J Transl Med 2014; 12:137. [PMID: 24885652 PMCID: PMC4047266 DOI: 10.1186/1479-5876-12-137] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Accepted: 05/13/2014] [Indexed: 11/16/2022] Open
Abstract
Background Despite recent advances, myocardial infarction (MI) remains the leading cause of death worldwide. Pre-clinical animal models that closely mimic human MI are pivotal for a quick translation of research and swine have similarities in anatomy and physiology. Here, we compared coronary surgical ligation versus coil embolization MI models in swine. Methods Fifteen animals were randomly distributed to undergo surgical ligation (n = 7) or coil embolization (n = 8). We evaluated infarct size, scar fibrosis, inflammation, myocardial vascularization, and cardiac function by magnetic resonance imaging (MRI). Results Thirty-five days after MI, there were no differences between the models in infarct size (P = 0.53), left ventricular (LV) ejection fraction (P = 0.19), LV end systolic volume (P = 0.22), LV end diastolic volume (P = 0.84), and cardiac output (P = 0.89). Histologically, cardiac scars did not differ and the collagen content, collagen type I (I), collagen type III (III), and the I/III ratio were similar in both groups. Inflammation was assessed using specific anti-CD3 and anti-CD25 antibodies. There was similar activation of inflammation throughout the heart after coil embolization (P = 0.78); while, there were more activated lymphocytes in the infarcted myocardium in the surgical occlusion model (P = 0.02). Less myocardial vascularization in the infarction areas compared with the border and remote zones only in coil embolization animals was observed (P = 0.004 and P = 0.014, respectively). Conclusions Our results support that surgical occlusion and coil embolization MI models generate similar infarct size, cardiac function impairment, and myocardial fibrosis; although, inflammation and myocardial vascularization levels were closer to those found in humans when coil embolization was performed.
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Affiliation(s)
- Carolina Gálvez-Montón
- ICREC (Heart Failure and Cardiac Regeneration) Research Program, IGTP, Cardiology Service, Hospital Universitari Germans Trias i Pujol, Crta, Can Ruti, Camí de les Escoles, s/n, 08916 Badalona, Barcelona, Spain.
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