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Yahyazadeh R, Baradaran Rahimi V, Askari VR. Stem cell and exosome therapies for regenerating damaged myocardium in heart failure. Life Sci 2024; 351:122858. [PMID: 38909681 DOI: 10.1016/j.lfs.2024.122858] [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: 05/09/2024] [Revised: 06/13/2024] [Accepted: 06/18/2024] [Indexed: 06/25/2024]
Abstract
Finding novel treatments for cardiovascular diseases (CVDs) is a hot topic in medicine; cell-based therapies have reported promising news for controlling dangerous complications of heart disease such as myocardial infarction (MI) and heart failure (HF). Various progenitor/stem cells were tested in various in-vivo, in-vitro, and clinical studies for regeneration or repairing the injured tissue in the myocardial to accelerate the healing. Fetal, adult, embryonic, and induced pluripotent stem cells (iPSC) have revealed the proper potency for cardiac tissue repair. As an essential communicator among cells, exosomes with specific contacts (proteins, lncRNAs, and miRNAs) greatly promote cardiac rehabilitation. Interestingly, stem cell-derived exosomes have more efficiency than stem cell transplantation. Therefore, stem cells induced pluripotent stem cells (iPSCs), embryonic stem cells (ESCs), cardiac stem cells (CDC), and skeletal myoblasts) and their-derived exosomes will probably be considered an alternative therapy for CVDs remedy. In addition, stem cell-derived exosomes have been used in the diagnosis/prognosis of heart diseases. In this review, we explained the advances of stem cells/exosome-based treatment, their beneficial effects, and underlying mechanisms, which will present new insights in the clinical field in the future.
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Affiliation(s)
- Roghayeh Yahyazadeh
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vafa Baradaran Rahimi
- Department of Cardiovascular Diseases, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Vahid Reza Askari
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad, Iran.
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Batko J, Rusinek J, Słomka A, Litwinowicz R, Burysz M, Bartuś M, Lakkireddy DR, Lee RJ, Natorska J, Ząbczyk M, Kapelak B, Bartuś K. Postoperative Coagulation Changes in Patients after Epicardial Left Atrial Appendage Occlusion Varies Based on the Left Atrial Appendage Size. Diseases 2023; 12:8. [PMID: 38248359 PMCID: PMC10814509 DOI: 10.3390/diseases12010008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/23/2023] [Accepted: 12/27/2023] [Indexed: 01/23/2024] Open
Abstract
Left atrial appendage occlusion affects systemic coagulation parameters, leading to additional patient-related benefits. The aim of this study was to investigate the differences in coagulation factor changes 6 months after epicardial left atrial appendage occlusion in patients with different LAA morphometries. This is the first study to analyze these relationships in detail. A prospective study of 22 consecutive patients was performed. Plasminogen, fibrinogen, tPA concentration, PAI-1, TAFI and computed tomography angiograms were performed. Patients were divided into subgroups based on left atrial appendage body and orifice diameter enlargement. The results of blood tests at baseline and six-month follow-up were compared. In a population with normal LAA body size and normal orifice diameter size, a significant decrease in analyzed clotting factors was observed between baseline and follow-up for all parameters except plasminogen. A significant decrease between baseline and follow-up was observed with enlarged LAA body size in all parameters except TAFI, in which it was insignificant and plasminogen, in which a significant increase was observed. Occlusion of the left atrial appendage is beneficial for systemic coagulation. Patients with a small LAA may benefit more from LAA closure in terms of stabilizing their coagulation factors associated with potential thromboembolic events in the future.
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Affiliation(s)
- Jakub Batko
- CAROL—Cardiothoracic Anatomy Research Operative Lab, Department of Cardiovascular Surgery and Transplantology, Institute of Cardiology, Jagiellonian University Medical College, 31-008 Krakow, Poland
- Thoracic Research Centre, Collegium Medicum Nicolaus Copernicus University, Innovative Medical Forum, 85-094 Bydgoszcz, Poland;
| | - Jakub Rusinek
- CAROL—Cardiothoracic Anatomy Research Operative Lab, Department of Cardiovascular Surgery and Transplantology, Institute of Cardiology, Jagiellonian University Medical College, 31-008 Krakow, Poland
| | - Artur Słomka
- Thoracic Research Centre, Collegium Medicum Nicolaus Copernicus University, Innovative Medical Forum, 85-094 Bydgoszcz, Poland;
- Department of Pathophysiology, Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz, 85-094 Bydgoszcz, Poland
| | - Radosław Litwinowicz
- CAROL—Cardiothoracic Anatomy Research Operative Lab, Department of Cardiovascular Surgery and Transplantology, Institute of Cardiology, Jagiellonian University Medical College, 31-008 Krakow, Poland
- Department of Cardiac Surgery, Regional Specialist Hospital, 86-300 Grudziądz, Poland
| | - Marian Burysz
- Department of Cardiac Surgery, Regional Specialist Hospital, 86-300 Grudziądz, Poland
| | - Magdalena Bartuś
- Department of Pharmacology, Jagiellonian University Medical College, 31-008 Krakow, Poland
| | - Dhanunjaya R. Lakkireddy
- The Kansas City Heart Rhythm Institution and Research Foundation, HCA MIDWEST HEALTH, Second Floor, 5100 W 110th St, Overland Park, KS 66211, USA
| | - Randall J. Lee
- Department of Medicine and Cardiovascular Research Institute, University of California, San Francisco, CA 94158, USA
| | - Joanna Natorska
- Institute of Cardiology, Jagiellonian University Medical College, 31-008 Krakow, Poland; (J.N.); (M.Z.)
| | - Michał Ząbczyk
- Institute of Cardiology, Jagiellonian University Medical College, 31-008 Krakow, Poland; (J.N.); (M.Z.)
| | - Bogusław Kapelak
- Department of Cardiovascular Surgery and Transplantology, Institute of Cardiology, Jagiellonian University Medical College, 31-008 Krakow, Poland
| | - Krzysztof Bartuś
- Department of Cardiovascular Surgery and Transplantology, Institute of Cardiology, Jagiellonian University Medical College, 31-008 Krakow, Poland
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Litwinowicz R, Batko J, Rusinek J, Olejek W, Rams D, Kowalewski M, Bartuś K, Burysz M. LARIAT or AtriClip: Complications Profile and Comparison in Patients with Atrial Fibrillations Based on Manufacturer and User Facility Device Experience Database. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:2055. [PMID: 38138158 PMCID: PMC10744657 DOI: 10.3390/medicina59122055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/17/2023] [Accepted: 11/20/2023] [Indexed: 12/24/2023]
Abstract
Background and Objectives: Left atrial appendage closure is an alternative treatment to reduce thromboembolism in patients with atrial fibrillation in whom oral anticoagulation (OAC) is contraindicated. The aim of this study was to evaluate the complications profiles of the LARIAT and AtriClip devices and perform a comparison between them based on the MAUDE (Manufacturer and User Facility Device Experience) database. Materials and Methods: The Manufacturer and User Facility Device Experience database was searched on 15 January 2023. For AtriClip, only reports regarding isolated procedures or procedures associated with minimally invasive ablation were included. Adverse effects and causes of death were defined based on the literature on the topic and the causes described in the reports. In total, 63 patients were included in the LARIAT group and 53 patients were included in the AtriClip group. Results: With the LARIAT device, the most common complication without device problems was pericardial effusion (n = 18, 52.9%), whereas this complication was not observed with AtriClip (p < 0.001). Postoperative bleeding was a second complication that occurred significantly more often in the LARIAT group-in 15 (44.1%) cases versus 1 (2.7%) case with AtriClip (p < 0.001). In addition, significant differences were found in the prevalence of stroke (LARIAT n = 0 vs. AtriClip n = 7, 18.9%, p = 0.012) and thrombus (LARIAT n = 2, 5.9% vs. n = 11, 29.7%, p = 0.013). Conclusions: Each type of left atrial appendage closure procedure is associated with device-specific requirements and complications that, if known, can be avoided.
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Affiliation(s)
- Radosław Litwinowicz
- CAROL—Cardiothoracic Anatomy Research Operative Lab, Department of Cardiovascular Surgery and Transplantology, Institute of Cardiology, Jagiellonian University Medical College, 31-008 Krakow, Poland
- Department of Cardiac Surgery, Regional Specialist Hospital, 86-300 Grudziądz, Poland
- Thoracic Research Centre, Collegium Medicum Nicolaus Copernicus University, Innovative Medical Forum, 85-094 Bydgoszcz, Poland
| | - Jakub Batko
- CAROL—Cardiothoracic Anatomy Research Operative Lab, Department of Cardiovascular Surgery and Transplantology, Institute of Cardiology, Jagiellonian University Medical College, 31-008 Krakow, Poland
- Thoracic Research Centre, Collegium Medicum Nicolaus Copernicus University, Innovative Medical Forum, 85-094 Bydgoszcz, Poland
| | - Jakub Rusinek
- CAROL—Cardiothoracic Anatomy Research Operative Lab, Department of Cardiovascular Surgery and Transplantology, Institute of Cardiology, Jagiellonian University Medical College, 31-008 Krakow, Poland
| | - Wojciech Olejek
- CAROL—Cardiothoracic Anatomy Research Operative Lab, Department of Cardiovascular Surgery and Transplantology, Institute of Cardiology, Jagiellonian University Medical College, 31-008 Krakow, Poland
- Thoracic Research Centre, Collegium Medicum Nicolaus Copernicus University, Innovative Medical Forum, 85-094 Bydgoszcz, Poland
| | - Daniel Rams
- CAROL—Cardiothoracic Anatomy Research Operative Lab, Department of Cardiovascular Surgery and Transplantology, Institute of Cardiology, Jagiellonian University Medical College, 31-008 Krakow, Poland
- Thoracic Research Centre, Collegium Medicum Nicolaus Copernicus University, Innovative Medical Forum, 85-094 Bydgoszcz, Poland
| | - Mariusz Kowalewski
- Thoracic Research Centre, Collegium Medicum Nicolaus Copernicus University, Innovative Medical Forum, 85-094 Bydgoszcz, Poland
- Department of Cardiac Surgery and Transplantology, National Medical Institute of the Ministry of Interior and Administration, Wołoska 137 Str., 02-507 Warsaw, Poland
- Cardio-Thoracic Surgery Department, Heart and Vascular Centre, Maastricht University Medical Centre, Cardiovascular Research Institute Maastricht (CARIM), 6229 HX Maastricht, The Netherlands
| | - Krzysztof Bartuś
- Department of Cardiovascular Surgery and Transplantology, Institute of Cardiology, Jagiellonian University Medical College, 31-008 Krakow, Poland
| | - Marian Burysz
- Department of Cardiac Surgery, Regional Specialist Hospital, 86-300 Grudziądz, Poland
- Thoracic Research Centre, Collegium Medicum Nicolaus Copernicus University, Innovative Medical Forum, 85-094 Bydgoszcz, Poland
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Princen K, Marien N, Guedens W, Graulus GJ, Adriaensens P. Hydrogels with Reversible Crosslinks for Improved Localised Stem Cell Retention: A Review. Chembiochem 2023; 24:e202300149. [PMID: 37220343 DOI: 10.1002/cbic.202300149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 05/21/2023] [Accepted: 05/23/2023] [Indexed: 05/25/2023]
Abstract
Successful stem cell applications could have a significant impact on the medical field, where many lives are at stake. However, the translation of stem cells to the clinic could be improved by overcoming challenges in stem cell transplantation and in vivo retention at the site of tissue damage. This review aims to showcase the most recent insights into developing hydrogels that can deliver, retain, and accommodate stem cells for tissue repair. Hydrogels can be used for tissue engineering, as their flexibility and water content makes them excellent substitutes for the native extracellular matrix. Moreover, the mechanical properties of hydrogels are highly tuneable, and recognition moieties to control cell behaviour and fate can quickly be introduced. This review covers the parameters necessary for the physicochemical design of adaptable hydrogels, the variety of (bio)materials that can be used in such hydrogels, their application in stem cell delivery and some recently developed chemistries for reversible crosslinking. Implementing physical and dynamic covalent chemistry has resulted in adaptable hydrogels that can mimic the dynamic nature of the extracellular matrix.
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Affiliation(s)
- Ken Princen
- Biomolecule Design Group, Institute for Materials Research (IMO-IMOMEC), Hasselt University, Agoralaan-Building D, 3590, Diepenbeek, Belgium
| | - Neeve Marien
- Biomolecule Design Group, Institute for Materials Research (IMO-IMOMEC), Hasselt University, Agoralaan-Building D, 3590, Diepenbeek, Belgium
| | - Wanda Guedens
- Biomolecule Design Group, Institute for Materials Research (IMO-IMOMEC), Hasselt University, Agoralaan-Building D, 3590, Diepenbeek, Belgium
| | - Geert-Jan Graulus
- Biomolecule Design Group, Institute for Materials Research (IMO-IMOMEC), Hasselt University, Agoralaan-Building D, 3590, Diepenbeek, Belgium
| | - Peter Adriaensens
- Biomolecule Design Group, Institute for Materials Research (IMO-IMOMEC), Hasselt University, Agoralaan-Building D, 3590, Diepenbeek, Belgium
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Sun B, Wang L, Guo W, Chen S, Ma Y, Wang D. New treatment methods for myocardial infarction. Front Cardiovasc Med 2023; 10:1251669. [PMID: 37840964 PMCID: PMC10569499 DOI: 10.3389/fcvm.2023.1251669] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 08/31/2023] [Indexed: 10/17/2023] Open
Abstract
For a long time, cardiovascular clinicians have focused their research on coronary atherosclerotic cardiovascular disease and acute myocardial infarction due to their high morbidity, high mortality, high disability rate, and limited treatment options. Despite the continuous optimization of the therapeutic methods and pharmacological therapies for myocardial ischemia-reperfusion, the incidence rate of heart failure continues to increase year by year. This situation is speculated to be caused by the current therapies, such as reperfusion therapy after ischemic injury, drugs, rehabilitation, and other traditional treatments, that do not directly target the infarcted myocardium. Consequently, these therapies cannot fundamentally solve the problems of myocardial pathological remodeling and the reduction of cardiac function after myocardial infarction, allowing for the progression of heart failure after myocardial infarction. Coupled with the decline in mortality caused by acute myocardial infarction in recent years, this combination leads to an increase in the incidence of heart failure. As a new promising therapy rising at the beginning of the twenty-first century, cardiac regenerative medicine provides a new choice and hope for the recovery of cardiac function and the prevention and treatment of heart failure after myocardial infarction. In the past two decades, regeneration engineering researchers have explored and summarized the elements, such as cells, scaffolds, and cytokines, required for myocardial regeneration from all aspects and various levels day and night, paving the way for our later scholars to carry out relevant research and also putting forward the current problems and directions for us. Here, we describe the advantages and challenges of cardiac tissue engineering, a contemporary innovative therapy after myocardial infarction, to provide a reference for clinical treatment.
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Affiliation(s)
- Bingbing Sun
- Department of Critical Care Medicine, The Air Force Characteristic Medical Center, Air Force Medical University, Beijing, China
| | - Long Wang
- Department of General Internal Medicine, Beijing Dawanglu Emergency Hospital, Beijing, China
| | - Wenmin Guo
- Department of Critical Care Medicine, The Air Force Characteristic Medical Center, Air Force Medical University, Beijing, China
| | - Shixuan Chen
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, China
| | - Yujie Ma
- Department of Critical Care Medicine, The Air Force Characteristic Medical Center, Air Force Medical University, Beijing, China
| | - Dongwei Wang
- Department of Cardiac Rehabilitation, Zhengzhou Central Hospital affiliated to Zhengzhou University, Zhengzhou, China
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Alkhouli M, Di Biase L, Natale A, Rihal CS, Holmes DR, Asirvatham S, Bartus K, Lakkireddy D, Friedman PA. Nonthrombogenic Roles of the Left Atrial Appendage: JACC Review Topic of the Week. J Am Coll Cardiol 2023; 81:1063-1075. [PMID: 36922093 DOI: 10.1016/j.jacc.2023.01.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 01/03/2023] [Accepted: 01/09/2023] [Indexed: 03/18/2023]
Abstract
The atrial appendage (LAA) is a well-established source of cardioembolism in patients with atrial fibrillation. Therefore, research involving the LAA has largely focused on its thrombogenic attribute and the utility of its exclusion in stroke prevention. However, recent studies have highlighted several novel functions of the LAA that may have important therapeutic implications. In this paper, we provide a concise overview of the LAA anatomy and summarize the emerging data on its nonthrombogenic roles.
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Affiliation(s)
- Mohamad Alkhouli
- Department of Cardiology, Mayo Clinic School of Medicine, Rochester, Minnesota, USA.
| | - Luigi Di Biase
- Montefiore-Einstein Center for Heart and Vascular Care, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York, USA
| | - Andrea Natale
- St David's Medical Center, Texas Cardiac Arrhythmia Institute, Austin, Texas, USA
| | - Charanjit S Rihal
- Department of Cardiology, Mayo Clinic School of Medicine, Rochester, Minnesota, USA
| | - David R Holmes
- Department of Cardiology, Mayo Clinic School of Medicine, Rochester, Minnesota, USA
| | - Samuel Asirvatham
- Department of Cardiology, Mayo Clinic School of Medicine, Rochester, Minnesota, USA
| | - Krzysztof Bartus
- Department of Cardiovascular Surgery and Transplantology, Medical College, John Paul Hospital, Jagiellonian University, Krakow, Poland
| | | | - Paul A Friedman
- Department of Cardiology, Mayo Clinic School of Medicine, Rochester, Minnesota, USA
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Li X, Wang X, He P, Bennett E, Haggard E, Ma J, Cai C. Mitochondrial Membrane Potential Identifies a Subpopulation of Mesenchymal Progenitor Cells to Promote Angiogenesis and Myocardial Repair. Cells 2022; 11:1713. [PMID: 35626749 PMCID: PMC9139404 DOI: 10.3390/cells11101713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/18/2022] [Accepted: 05/19/2022] [Indexed: 12/10/2022] Open
Abstract
Identifying effective donor cells is one of obstacles that limits cell therapy for heart disease. In this study, we sorted a subpopulation of human mesenchymal progenitor cells (hMPCs) from the right atrial appendage using the low mitochondrial membrane potential. Compared to the non-sorted cells, hMPCs hold the capacity for stemness and enrich mesenchymal stem cell markers. The hMPCs display better ability for survival, faster proliferation, less production of reactive oxygen species (ROS), and greater release of cytoprotective cytokines. The hMPCs exhibit decreased expression of senescence genes and increased expression of anti-apoptotic and antioxidant genes. Intramyocardial injection of hMPCs into the infarcted heart resulted in increased left ventricular ejection fraction and reduced cardiac remodeling and infarct size in the group of animals receiving hMPCs. Both in vitro and in vivo studies indicated hMPCs have the potential to differentiate into endothelial cells and smooth muscle cells. Immunohistochemistry staining showed that cell therapy with hMPCs enhances cardiac vascular regeneration and cardiac proliferation, and decreases cardiac cell apoptosis, which is associated with the increased secretion of cytoprotective and pro-angiogenic cytokines. Overall, we discovered a subpopulation of human mesenchymal progenitor cells via their low mitochondrial membrane potential, which might provide an alternative donor cell source for cellular therapy for ischemic heart disease.
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Affiliation(s)
- Xiuchun Li
- Department of Surgery, Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA; (X.L.); (X.W.); (E.H.); (J.M.)
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY 12208, USA;
| | - Xiaoliang Wang
- Department of Surgery, Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA; (X.L.); (X.W.); (E.H.); (J.M.)
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY 12208, USA;
| | - Pan He
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY 12208, USA;
| | - Edward Bennett
- Division of Cardiothoracic Surgery, Albany Medical Center, Albany, NY 12208, USA;
| | - Erin Haggard
- Department of Surgery, Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA; (X.L.); (X.W.); (E.H.); (J.M.)
| | - Jianjie Ma
- Department of Surgery, Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA; (X.L.); (X.W.); (E.H.); (J.M.)
| | - Chuanxi Cai
- Department of Surgery, Davis Heart and Lung Research Institute, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA; (X.L.); (X.W.); (E.H.); (J.M.)
- Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY 12208, USA;
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Structural and Functional Support by Left Atrial Appendage Transplant to the Left Ventricle after a Myocardial Infarction. Int J Mol Sci 2022; 23:ijms23094661. [PMID: 35563050 PMCID: PMC9104858 DOI: 10.3390/ijms23094661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/15/2022] [Accepted: 04/19/2022] [Indexed: 12/04/2022] Open
Abstract
The left atrial appendage (LAA) of the adult heart has been shown to contain cardiac and myeloid progenitor cells. The resident myeloid progenitor population expresses an array of pro-regenerative paracrine factors. Cardiac constructs have been shown to inhibit deleterious remodeling of the heart using physical support. Due to these aspects, LAA holds promise as a regenerative transplant. LAAs from adult mT/mG mice were transplanted to the recipient 129X1-SvJ mice simultaneously as myocardial infarction (MI) was performed. A decellularized LAA patch was implanted in the control group. Two weeks after MI, the LAA patch had integrated to the ventricular wall, and migrated cells were seen in the MI area. The cells had two main phenotypes: small F4/80+ cells and large troponin C+ cells. After follow-up at 8 weeks, the LAA patch remained viable, and the functional status of the heart improved. Cardiac echo demonstrated that, after 6 weeks, the mice in the LAA-patch-treated group showed an increasing and statistically significant improvement in cardiac performance when compared to the MI and MI + decellularized patch controls. Physical patch-support (LAA and decellularized LAA patch) had an equal effect on the inhibition of deleterious remodeling, but only the LAA patch inhibited the hypertrophic response. Our study demonstrates that the LAA transplantation has the potential for use as a treatment for myocardial infarction. This method can putatively combine cell therapy (regenerative effect) and physical support (inhibition of deleterious remodeling).
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Efficacy of Stem Cell Therapy in Large Animal Models of Ischemic Cardiomyopathies: A Systematic Review and Meta-Analysis. Animals (Basel) 2022; 12:ani12060749. [PMID: 35327146 PMCID: PMC8944644 DOI: 10.3390/ani12060749] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/09/2022] [Accepted: 03/14/2022] [Indexed: 12/13/2022] Open
Abstract
Stem-cell therapy provides a promising strategy for patients with ischemic heart disease. In recent years, numerous studies related to this therapeutic approach were performed; however, the results were often heterogeneous and contradictory. For this reason, we conducted a systematic review and meta-analysis of trials, reporting the use of stem-cell treatment against acute or chronic ischemic cardiomyopathies in large animal models with regard to Left Ventricular Ejection Fraction (LVEF). The defined research strategy was applied to the PubMed database to identify relevant studies published from January 2011 to July 2021. A random-effect meta-analysis was performed on LVEF mean data at follow-up between control and stem-cell-treated animals. In order to improve the definition of the effect measure and to analyze the factors that could influence the outcomes, a subgroup comparison was conducted. Sixty-six studies (n = 1183 animals) satisfied our inclusion criteria. Ischemia/reperfusion infarction was performed in 37 studies, and chronic occlusion in 29 studies; moreover, 58 studies were on a pig animal model. The meta-analysis showed that cell therapy increased LVEF by 7.41% (95% Confidence Interval 6.23−8.59%; p < 0.001) at follow-up, with significative heterogeneity and high inconsistency (I2 = 82%, p < 0.001). By subgroup comparison, the follow-up after 31−60 days (p = 0.025), the late cell injection (>7 days, p = 0.005) and the route of cellular delivery by surgical treatment (p < 0.001) were significant predictors of LVEF improvement. This meta-analysis showed that stem-cell therapy may improve heart function in large animal models and that the swine specie is confirmed as a relevant animal model in the cardiovascular field. Due to the significative heterogeneity and high inconsistency, future translational studies should be designed to take into account the evidenced predictors to allow for the reduction of the number of animals used.
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Evens L, Beliën H, D’Haese S, Haesen S, Verboven M, Rummens JL, Bronckaers A, Hendrikx M, Deluyker D, Bito V. Combinational Therapy of Cardiac Atrial Appendage Stem Cells and Pyridoxamine: The Road to Cardiac Repair? Int J Mol Sci 2021; 22:ijms22179266. [PMID: 34502175 PMCID: PMC8431115 DOI: 10.3390/ijms22179266] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 12/04/2022] Open
Abstract
Myocardial infarction (MI) occurs when the coronary blood supply is interrupted. As a consequence, cardiomyocytes are irreversibly damaged and lost. Unfortunately, current therapies for MI are unable to prevent progression towards heart failure. As the renewal rate of cardiomyocytes is minimal, the optimal treatment should achieve effective cardiac regeneration, possibly with stem cells transplantation. In that context, our research group identified the cardiac atrial appendage stem cells (CASCs) as a new cellular therapy. However, CASCs are transplanted into a hostile environment, with elevated levels of advanced glycation end products (AGEs), which may affect their regenerative potential. In this study, we hypothesize that pyridoxamine (PM), a vitamin B6 derivative, could further enhance the regenerative capacities of CASCs transplanted after MI by reducing AGEs’ formation. Methods and Results: MI was induced in rats by ligation of the left anterior descending artery. Animals were assigned to either no therapy (MI), CASCs transplantation (MI + CASCs), or CASCs transplantation supplemented with PM treatment (MI + CASCs + PM). Four weeks post-surgery, global cardiac function and infarct size were improved upon CASCs transplantation. Interstitial collagen deposition, evaluated on cryosections, was decreased in the MI animals transplanted with CASCs. Contractile properties of resident left ventricular cardiomyocytes were assessed by unloaded cell shortening. CASCs transplantation prevented cardiomyocyte shortening deterioration. Even if PM significantly reduced cardiac levels of AGEs, cardiac outcome was not further improved. Conclusion: Limiting AGEs’ formation with PM during an ischemic injury in vivo did not further enhance the improved cardiac phenotype obtained with CASCs transplantation. Whether AGEs play an important deleterious role in the setting of stem cell therapy after MI warrants further examination.
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Affiliation(s)
- Lize Evens
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Hanne Beliën
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Sarah D’Haese
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Sibren Haesen
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Maxim Verboven
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Jean-Luc Rummens
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
- UHasselt—Hasselt University, Faculty of Medicine and Life Sciences, Agoralaan, 3590 Diepenbeek, Belgium
| | - Annelies Bronckaers
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Marc Hendrikx
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Dorien Deluyker
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
| | - Virginie Bito
- UHasselt—Hasselt University, BIOMED—Biomedical Research Institute, Agoralaan, 3590 Diepenbeek, Belgium; (L.E.); (H.B.); (S.D.); (S.H.); (M.V.); (J.-L.R.); (A.B.); (M.H.); (D.D.)
- Correspondence: ; Tel.: +32-11269285
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11
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Advanced Glycation End Products Impair Cardiac Atrial Appendage Stem Cells Properties. J Clin Med 2021; 10:jcm10132964. [PMID: 34279448 PMCID: PMC8269351 DOI: 10.3390/jcm10132964] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 06/24/2021] [Accepted: 06/29/2021] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND During myocardial infarction (MI), billions of cardiomyocytes are lost. The optimal therapy should effectively replace damaged cardiomyocytes, possibly with stem cells able to engraft and differentiate into adult functional cardiomyocytes. As such, cardiac atrial appendage stem cells (CASCs) are suitable candidates. However, the presence of elevated levels of advanced glycation end products (AGEs) in cardiac regions where CASCs are transplanted may affect their regenerative potential. In this study, we examine whether and how AGEs alter CASCs properties in vitro. METHODS AND RESULTS CASCs in culture were exposed to ranging AGEs concentrations (50 µg/mL to 400 µg/mL). CASCs survival, proliferation, and migration capacity were significantly decreased after 72 h of AGEs exposure. Apoptosis significantly increased with rising AGEs concentration. The harmful effects of these AGEs were partially blunted by pre-incubation with a receptor for AGEs (RAGE) inhibitor (25 µM FPS-ZM1), indicating the involvement of RAGE in the observed negative effects. CONCLUSION AGEs have a time- and concentration-dependent negative effect on CASCs survival, proliferation, migration, and apoptosis in vitro, partially mediated through RAGE activation. Whether anti-AGEs therapies are an effective treatment in the setting of stem cell therapy after MI warrants further examination.
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12
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Beliën H, Evens L, Hendrikx M, Bito V, Bronckaers A. Combining stem cells in myocardial infarction: The road to superior repair? Med Res Rev 2021; 42:343-373. [PMID: 34114238 DOI: 10.1002/med.21839] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 05/04/2021] [Accepted: 05/29/2021] [Indexed: 12/25/2022]
Abstract
Myocardial infarction irreversibly destroys millions of cardiomyocytes in the ventricle, making it the leading cause of heart failure worldwide. Over the past two decades, many progenitor and stem cell types were proposed as the ideal candidate to regenerate the heart after injury. The potential of stem cell therapy has been investigated thoroughly in animal and human studies, aiming at cardiac repair by true tissue replacement, by immune modulation, or by the secretion of paracrine factors that stimulate endogenous repair processes. Despite some successful results in animal models, the outcome from clinical trials remains overall disappointing, largely due to the limited stem cell survival and retention after transplantation. Extensive interest was developed regarding the combinational use of stem cells and various priming strategies to improve the efficacy of regenerative cell therapy. In this review, we provide a critical discussion of the different stem cell types investigated in preclinical and clinical studies in the field of cardiac repair. Moreover, we give an update on the potential of stem cell combinations as well as preconditioning and explore the future promises of these novel regenerative strategies.
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Affiliation(s)
- Hanne Beliën
- Biomedical Research Institute (BIOMED), Department of Cardio and Organ Systems, UHasselt-Hasselt University, Agoralaan, Diepenbeek, Belgium
| | - Lize Evens
- Biomedical Research Institute (BIOMED), Department of Cardio and Organ Systems, UHasselt-Hasselt University, Agoralaan, Diepenbeek, Belgium
| | - Marc Hendrikx
- Faculty of Medicine and Life Sciences, UHasselt-Hasselt University, Agoralaan, Diepenbeek, Belgium
| | - Virginie Bito
- Biomedical Research Institute (BIOMED), Department of Cardio and Organ Systems, UHasselt-Hasselt University, Agoralaan, Diepenbeek, Belgium
| | - Annelies Bronckaers
- Biomedical Research Institute (BIOMED), Department of Cardio and Organ Systems, UHasselt-Hasselt University, Agoralaan, Diepenbeek, Belgium
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13
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Krziminski C, Kammann S, Hansmann J, Edenhofer F, Dandekar G, Walles H, Leistner M. Development of a bioreactor system for pre-endothelialized cardiac patch generation with enhanced viscoelastic properties by combined collagen I compression and stromal cell culture. J Tissue Eng Regen Med 2020; 14:1749-1762. [PMID: 32893470 DOI: 10.1002/term.3129] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 07/13/2020] [Accepted: 08/26/2020] [Indexed: 12/13/2022]
Abstract
Treatment of terminal heart failure still poses a significant clinical problem. Cardiac tissue engineering could offer autologous solutions for the replacement of nonfunctional myocardial tissue. So far, soft matrix construction and missing large-scale prevascularization prevented the application of sizeable cardiac repair patches. We developed a novel bioreactor system for semi-automatic compression of a collagen I hydrogel applying 16 times higher pressure than in previous studies. Resistance towards compression stress was investigated for multiple cardiac-related cell types. For scaffold prevascuarization, a tubular cavity was imprinted during the compaction process. Primary cardiac-derived endothelial cells (ECs) were isolated from human left atrial appendages (HLAAs) and characterized by fluorescence-activated cell sorting (FACS) and immunocytology. EC were then seeded into the preformed channel with dermal fibroblasts as interstitial cell component of the fully cellularized patch. After 8 days of constant perfusion culture within the same bioreactor, scaffold dynamic modulus and cell viability were analyzed. Endothelial proliferation and vessel maturation were examined by immunohistochemistry and transmission electron microscopy. Our design allowed for scaffold production and dynamic culture in a one-stop-shop model. Enhanced compression and cell-mediated matrix remodeling induced a significant increase in scaffold stiffness while ensuring excellent cell survival. For the first time, we could isolate HLAA-derived EC with proliferative potential. ECs within the central channel proliferated during flow culture, continuously expressing endothelial markers (CD31) and displaying basal membrane synthesis (collagen IV, ultrastructural analysis). After 7 days of culture, a complete endothelial monolayer could be observed. Covering cells aligned themselves in flow direction and developed mature cell-cell contacts.
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Affiliation(s)
- Carolin Krziminski
- Chair of Tissue Engineering and Regenerative Medicine, Wuerzburg University Hospital, Wuerzburg, Germany
| | - Sebastian Kammann
- Chair of Tissue Engineering and Regenerative Medicine, Wuerzburg University Hospital, Wuerzburg, Germany.,Fraunhofer Institute for Production Technology (IPT), Aachen, Germany
| | - Jan Hansmann
- Faculty Electrical Engineering, University for Applied Sciences Wuerzburg-Schweinfurt, Schweinfurt, Germany.,Translational Center Regenerative Therapies, Fraunhofer Institute for Silicate Research (ISC), Wuerzburg, Germany
| | - Frank Edenhofer
- Institute of Anatomy and Cell Biology, University of Wuerzburg, Wuerzburg, Germany.,Institute of Molecular Biology, University of Innsbruck, Innsbruck, Austria.,Research Center Dynamic Systems: Systems Engineering, Otto-von-Guericke-University, Magdeburg, Germany
| | - Gudrun Dandekar
- Chair of Tissue Engineering and Regenerative Medicine, Wuerzburg University Hospital, Wuerzburg, Germany.,Translational Center Regenerative Therapies, Fraunhofer Institute for Silicate Research (ISC), Wuerzburg, Germany
| | - Heike Walles
- Chair of Tissue Engineering and Regenerative Medicine, Wuerzburg University Hospital, Wuerzburg, Germany.,Institute of Molecular Biology, University of Innsbruck, Innsbruck, Austria.,Research Center Dynamic Systems: Systems Engineering, Otto-von-Guericke-University, Magdeburg, Germany
| | - Marcus Leistner
- Chair of Tissue Engineering and Regenerative Medicine, Wuerzburg University Hospital, Wuerzburg, Germany.,Research Center Dynamic Systems: Systems Engineering, Otto-von-Guericke-University, Magdeburg, Germany.,Department of Thoracic, Cardiac and Vascular Surgery, University Medical Center Goettingen, Goettingen, Germany
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14
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Differentiation of Human Cardiac Atrial Appendage Stem Cells into Adult Cardiomyocytes: A Role for the Wnt Pathway? Int J Mol Sci 2020; 21:ijms21113931. [PMID: 32486259 PMCID: PMC7312541 DOI: 10.3390/ijms21113931] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 05/26/2020] [Accepted: 05/28/2020] [Indexed: 11/30/2022] Open
Abstract
Human cardiac stem cells isolated from atrial appendages based on aldehyde dehydrogenase activity (CASCs) can be expanded in vitro and differentiate into mature cardiomyocytes. In this study, we assess whether Wnt activation stimulates human CASC proliferation, whereas Wnt inhibition induces cardiac maturation. CASCs were cultured as described before. Conventional PCR confirmed the presence of the Frizzled receptors. Small-molecule inhibitors (IWP2, C59, XAV939, and IWR1-endo) and activator (CHIR99021) of the Wnt/β -catenin signaling pathway were applied, and the effect on β-catenin and target genes for proliferation and differentiation was assessed by Western blot and RT-qPCR. CASCs express multiple early cardiac differentiation markers and are committed toward myocardial differentiation. They express several Frizzled receptors, suggesting a role for Wnt signaling in clonogenicity, proliferation, and differentiation. Wnt activation increases total and active β-catenin levels. However, this does not affect CASC proliferation or clonogenicity. Wnt inhibition upregulated early cardiac markers but could not induce mature myocardial differentiation. When CASCs are committed toward myocardial differentiation, the Wnt pathway is active and can be modulated. However, despite its role in cardiogenesis and myocardial differentiation of pluripotent stem-cell populations, our data indicate that Wnt signaling has limited effects on CASC clonogenicity, proliferation, and differentiation.
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15
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Li X, He P, Wang XL, Zhang S, Devejian N, Bennett E, Cai C. Sulfiredoxin-1 enhances cardiac progenitor cell survival against oxidative stress via the upregulation of the ERK/NRF2 signal pathway. Free Radic Biol Med 2018; 123:8-19. [PMID: 29772252 PMCID: PMC5999586 DOI: 10.1016/j.freeradbiomed.2018.05.060] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 04/30/2018] [Accepted: 05/12/2018] [Indexed: 02/08/2023]
Abstract
Cardiac stem/progenitor cells (CPCs) have recently emerged as a potentially transformative regenerative medicine to repair the infarcted heart. However, the limited survival of donor cells is one of the major challenges for CPC therapy. Our recent research effort on preconditioning human CPCs (hCPCs) with cobalt protoporphyrin (CoPP) indicated that sulfiredoxin-1 (SRXN1) is upregulated upon preconditioning aldehyde dehydrogenase bright hCPCs (ALDHbr-hCPCs) with CoPP. Further studies demonstrated that overexpressing SRXN1 enhanced the survival capacity for ALDHbr-hCPCs. This was associated with the up-regulation of anti-apoptotic factors, including BCL2 and BCL-xL. Meanwhile, overexpressing SRXN1 decreased the ROS generation and mitochondrial membrane potential, concomitant with the up-regulated primary antioxidant systems, such as PRDX1, PRDX3, TXNRD1, Catalase and SOD2. It was also observed that overexpressing SRXN1 increased the migration, proliferation, and cardiac differentiation of ALDHbr-hCPCs. Interestingly, SRXN1 activated the ERK/NRF2 cell survival signaling pathway, which may be the underlying mechanism through which overexpressing SRXN1 lead to protection of hCPCs against oxidative stress-induced apoptosis. Taken together, these results provide a rationale for the exploration of SRXN1 as a novel molecular target that can be used to enhance the effectiveness of cardiac stem/progenitor cell therapy for ischemic heart disease.
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Affiliation(s)
- Xiuchun Li
- Center for Cardiovascular Sciences, Department of Molecular and Cellular Physiology, & Department of Medicine, Albany Medical College, Albany, NY 12208, USA
| | - Pan He
- Center for Cardiovascular Sciences, Department of Molecular and Cellular Physiology, & Department of Medicine, Albany Medical College, Albany, NY 12208, USA; Laboratory for Cancer Signal Transduction, Department of Pathology, Xinxiang Medical University, Xinxiang, Henan 453003, PR China
| | - Xiao-Liang Wang
- Center for Cardiovascular Sciences, Department of Molecular and Cellular Physiology, & Department of Medicine, Albany Medical College, Albany, NY 12208, USA
| | - Shuning Zhang
- Center for Cardiovascular Sciences, Department of Molecular and Cellular Physiology, & Department of Medicine, Albany Medical College, Albany, NY 12208, USA
| | - Neil Devejian
- Division of Pediatric Cardiothoracic Surgery, Albany Medical Center, NY 12208, USA
| | - Edward Bennett
- Division of Cardiothoracic Surgery, Albany Medical Center, NY 12208, USA
| | - Chuanxi Cai
- Center for Cardiovascular Sciences, Department of Molecular and Cellular Physiology, & Department of Medicine, Albany Medical College, Albany, NY 12208, USA.
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16
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Zhang P, Xu J, Hu W, Yu D, Bai X. Effects of Pinocembrin Pretreatment on Connexin 43 (Cx43) Protein Expression After Rat Myocardial Ischemia-Reperfusion and Cardiac Arrhythmia. Med Sci Monit 2018; 24:5008-5014. [PMID: 30022020 PMCID: PMC6063136 DOI: 10.12659/msm.909162] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Background Cardiac infarction frequently leads to arrhythmia and ischemia/reperfusion (I/R) aggravates cardiac injury. Pinocembrin can resist cerebral ischemia and decrease cardiac infarction area. This study thus generated a rat myocardial I/R model to assess the effect on ventricular rhythm and expression of gap junction connexin (Cx43). Material/Methods Male SD rats were randomly assigned into sham, model, and pinocembrin (30 mg/kg) pretreatment groups (N=15 each). The I/R model was generated by ligation of the left anterior descending coronary artery for 30 min. The pinocembrin group received intravenous injection 10 min before surgery. Heart rate (HR), mean artery pressure (MAP), rate pressure product (RPP), and arrhythmia were observed at 10 min before ischemia, 30 min after ischemia, and at 30, 60, and 120 min after reperfusion. ELISA was used to assess serum CK-MB and cTnI levels. Na+-K+ATPase and Ca+-Mg2+ATPase levels were quantified by spectrometry, followed by HE staining, IHC approach for Cx43 expression, and Western blot for Kir2.1 protein expression. Results Model rats had significantly lower HR, MAP, and RPP than in the sham group, and the pinocembrin pretreatment group had higher serum indexes. Arrhythmia index, CK-MB, and cTnI were higher in the model and pinocembrin groups, while Na+-K+ATPase, Ca+-Mg2+ATPase, Cx43, and Kir2.1 proteins were lower (p<0.05). Conclusions Pinocembrin alleviated ventricular arrhythmia in I/R rats via enhancing Na+-K+ATPase and Ca+-Mg2+ATPase activity and upregulating Cx43 and Kir2.1 protein expression.
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Affiliation(s)
- Peng Zhang
- Department of Cardiology, Minhang Hospital, Zhongshan Hospital, Fudan University, Shanghai, China (mainland)
| | - Jin Xu
- Department of Anesthesiology, Shanghai East Hospital, Tongji University, Shanghai, China (mainland)
| | - Wei Hu
- Department of Cardiology, Minhang Hospital, Zhongshan Hospital, Fudan University, Shanghai, China (mainland)
| | - Dong Yu
- Department of Cardiology, Minhang Hospital, Zhongshan Hospital, Fudan University, Shanghai, China (mainland)
| | - Xiaolu Bai
- Department of Cardiology, Minhang Hospital, Zhongshan Hospital, Fudan University, Shanghai, China (mainland)
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17
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Barile L, Cervio E, Lionetti V, Milano G, Ciullo A, Biemmi V, Bolis S, Altomare C, Matteucci M, Di Silvestre D, Brambilla F, Fertig TE, Torre T, Demertzis S, Mauri P, Moccetti T, Vassalli G. Cardioprotection by cardiac progenitor cell-secreted exosomes: role of pregnancy-associated plasma protein-A. Cardiovasc Res 2018. [DOI: 10.1093/cvr/cvy055] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Lucio Barile
- Cellular and Molecular Cardiology Laboratory, Cardiocentro Ticino Foundation and Swiss Institute for Regenerative Medicine (SIRM), via Tesserete 48, 6900 Lugano, Switzerland
| | - Elisabetta Cervio
- Cellular and Molecular Cardiology Laboratory, Cardiocentro Ticino Foundation and Swiss Institute for Regenerative Medicine (SIRM), via Tesserete 48, 6900 Lugano, Switzerland
| | - Vincenzo Lionetti
- Institute of Life Sciences, Scuola Superiore Sant'Anna and UOS Anesthesiology, Fondazione Toscana G. Monasterio, Pisa, Italy
| | - Giuseppina Milano
- Cellular and Molecular Cardiology Laboratory, Cardiocentro Ticino Foundation and Swiss Institute for Regenerative Medicine (SIRM), via Tesserete 48, 6900 Lugano, Switzerland
- Heart and Vessels Department, CHUV-University of Lausanne Medical Hospital, Lausanne, Switzerland
| | - Alessandra Ciullo
- Cellular and Molecular Cardiology Laboratory, Cardiocentro Ticino Foundation and Swiss Institute for Regenerative Medicine (SIRM), via Tesserete 48, 6900 Lugano, Switzerland
| | - Vanessa Biemmi
- Cellular and Molecular Cardiology Laboratory, Cardiocentro Ticino Foundation and Swiss Institute for Regenerative Medicine (SIRM), via Tesserete 48, 6900 Lugano, Switzerland
| | - Sara Bolis
- Cellular and Molecular Cardiology Laboratory, Cardiocentro Ticino Foundation and Swiss Institute for Regenerative Medicine (SIRM), via Tesserete 48, 6900 Lugano, Switzerland
| | - Claudia Altomare
- Cellular and Molecular Cardiology Laboratory, Cardiocentro Ticino Foundation and Swiss Institute for Regenerative Medicine (SIRM), via Tesserete 48, 6900 Lugano, Switzerland
| | - Marco Matteucci
- Institute of Life Sciences, Scuola Superiore Sant'Anna and UOS Anesthesiology, Fondazione Toscana G. Monasterio, Pisa, Italy
| | | | | | | | - Tiziano Torre
- Cellular and Molecular Cardiology Laboratory, Cardiocentro Ticino Foundation and Swiss Institute for Regenerative Medicine (SIRM), via Tesserete 48, 6900 Lugano, Switzerland
| | - Stefanos Demertzis
- Cellular and Molecular Cardiology Laboratory, Cardiocentro Ticino Foundation and Swiss Institute for Regenerative Medicine (SIRM), via Tesserete 48, 6900 Lugano, Switzerland
| | | | - Tiziano Moccetti
- Cellular and Molecular Cardiology Laboratory, Cardiocentro Ticino Foundation and Swiss Institute for Regenerative Medicine (SIRM), via Tesserete 48, 6900 Lugano, Switzerland
| | - Giuseppe Vassalli
- Cellular and Molecular Cardiology Laboratory, Cardiocentro Ticino Foundation and Swiss Institute for Regenerative Medicine (SIRM), via Tesserete 48, 6900 Lugano, Switzerland
- Heart and Vessels Department, CHUV-University of Lausanne Medical Hospital, Lausanne, Switzerland
- Department of Cardiology, Molecular Cardiology Institute, University of Zürich, Zürich, Switzerland
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18
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Autophagy in Stem Cell Biology: A Perspective on Stem Cell Self-Renewal and Differentiation. Stem Cells Int 2018; 2018:9131397. [PMID: 29765428 PMCID: PMC5896318 DOI: 10.1155/2018/9131397] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 11/01/2017] [Accepted: 12/13/2017] [Indexed: 12/11/2022] Open
Abstract
Autophagy is a highly conserved cellular process that degrades modified, surplus, or harmful cytoplasmic components by sequestering them in autophagosomes which then fuses with the lysosome for degradation. As a major intracellular degradation and recycling pathway, autophagy is crucial for maintaining cellular homeostasis, as well as for remodeling during normal development. Impairment of this process has been implicated in various diseases, in the pathogenic response to bacterial and viral infections, and in aging. Pluripotent stem cells, with their ability to self-replicate and to give rise to any specialized cell type, are very valuable resources for cell-based medical therapies and open a number of promising avenues for studying human development and disease. It has been suggested that autophagy is vital for the maintenance of cellular homeostasis in stem cells, and subsequently more in-depth knowledge about the regulation of autophagy in stem cell biology has been acquired recently. In this review, we describe the most significant advances in the understanding of autophagy regulation in hematopoietic and mesenchymal stem cells, as well as in induced pluripotent stem cells. In particular, we highlight the roles of various autophagy activities in the regulation of self-renewal and differentiation of these stem cells.
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19
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Nummi A, Nieminen T, Pätilä T, Lampinen M, Lehtinen ML, Kivistö S, Holmström M, Wilkman E, Teittinen K, Laine M, Sinisalo J, Kupari M, Kankuri E, Juvonen T, Vento A, Suojaranta R, Harjula A. Epicardial delivery of autologous atrial appendage micrografts during coronary artery bypass surgery-safety and feasibility study. Pilot Feasibility Stud 2017; 3:74. [PMID: 29276625 PMCID: PMC5738681 DOI: 10.1186/s40814-017-0217-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Accepted: 12/01/2017] [Indexed: 12/14/2022] Open
Abstract
Background The atrial appendages are a tissue reservoir for cardiac stem cells. During on-pump coronary artery bypass graft (CABG) surgery, part of the right atrial appendage can be excised upon insertion of the right atrial cannula of the heart-lung machine. In the operating room, the removed tissue can be easily cut into micrografts for transplantation. This trial aims to assess the safety and feasibility of epicardial transplantation of atrial appendage micrografts in patients undergoing CABG surgery. Methods/design Autologous cardiac micrografts are made from leftover right atrial appendage during CABG of 6 patients. Atrial appendage is mechanically processed to micrografts consisting of atrial appendage-derived cells (AADCs) and their extracellular matrix (ECM). The micrografts are epicardially transplanted in a fibrin gel and covered with a tissue-engineered ECM sheet. Parameters including echocardiography—reflecting cardiac insufficiency—are studied pre- and post-operatively as well as at 3 and 6 months of the follow-up. Cardiac functional magnetic resonance imaging is performed preoperatively and at 6-month follow-up. The primary outcome measures are patient safety in terms of hemodynamic and cardiac function over time and feasibility of therapy administration in a clinical setting. Secondary outcome measures are left ventricular wall thickness, change in the amount of myocardial scar tissue, changes in left ventricular ejection fraction, plasma concentrations of N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels, New York Heart Association class, days in hospital, and changes in the quality of life. Twenty patients undergoing routine CAGB surgery will be recruited to serve as a control group. Discussion This study aims to address the surgical feasibility and patient safety of epicardially delivered atrial appendage micrografts during CABG surgery. Delivery of autologous micrografts and AADCs has potential applications for cell and cell-based gene therapies. Trial registration ClinicalTrials.gov Identifier: NCT02672163. Date of registration: 02.02.2016
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Affiliation(s)
- Annu Nummi
- Heart and Lung Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Tuomo Nieminen
- Heart and Lung Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.,Department of Internal Medicine, South Karelia Central Hospital, Lappeenranta, Finland
| | - Tommi Pätilä
- Pediatric Cardiac Surgery, Children's Hospital, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Milla Lampinen
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Miia L Lehtinen
- Heart and Lung Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Sari Kivistö
- HUS Medical Imaging Center, Radiology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Miia Holmström
- HUS Medical Imaging Center, Radiology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Erika Wilkman
- Department of Anesthesiology and Intensive Care, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Kari Teittinen
- Heart and Lung Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Mika Laine
- Heart and Lung Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Juha Sinisalo
- Heart and Lung Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Markku Kupari
- Heart and Lung Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Esko Kankuri
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Tatu Juvonen
- Heart and Lung Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Antti Vento
- Heart and Lung Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Raili Suojaranta
- Department of Anesthesiology and Intensive Care, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Ari Harjula
- Heart and Lung Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
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20
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Temme S, Friebe D, Schmidt T, Poschmann G, Hesse J, Steckel B, Stühler K, Kunz M, Dandekar T, Ding Z, Akhyari P, Lichtenberg A, Schrader J. Genetic profiling and surface proteome analysis of human atrial stromal cells and rat ventricular epicardium-derived cells reveals novel insights into their cardiogenic potential. Stem Cell Res 2017; 25:183-190. [PMID: 29156374 DOI: 10.1016/j.scr.2017.11.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Revised: 09/27/2017] [Accepted: 11/04/2017] [Indexed: 02/06/2023] Open
Abstract
Epicardium-derived cells (EPDC) and atrial stromal cells (ASC) display cardio-regenerative potential, but the molecular details are still unexplored. Signals which induce activation, migration and differentiation of these cells are largely unknown. Here we have isolated rat ventricular EPDC and rat/human ASC and performed genetic and proteomic profiling. EPDC and ASC expressed epicardial/mesenchymal markers (WT-1, Tbx18, CD73, CD90, CD44, CD105), cardiac markers (Gata4, Tbx5, troponin T) and also contained phosphocreatine. We used cell surface biotinylation to isolate plasma membrane proteins of rEPDC and hASC, Nano-liquid chromatography with subsequent mass spectrometry and bioinformatics analysis identified 396 rat and 239 human plasma membrane proteins with 149 overlapping proteins. Functional GO-term analysis revealed several significantly enriched categories related to extracellular matrix (ECM), cell migration/differentiation, immunology or angiogenesis. We identified receptors for ephrin and growth factors (IGF, PDGF, EGF, anthrax toxin) known to be involved in cardiac repair and regeneration. Functional category enrichment identified clusters around integrins, PI3K/Akt-signaling and various cardiomyopathies. Our study indicates that EPDC and ASC have a similar molecular phenotype related to cardiac healing/regeneration. The cell surface proteome repository will help to further unravel the molecular details of their cardio-regenerative potential and their role in cardiac diseases.
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Affiliation(s)
- Sebastian Temme
- Department of Molecular Cardiology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Daniela Friebe
- Department of Molecular Cardiology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Timo Schmidt
- Department of Molecular Cardiology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Gereon Poschmann
- Molecular Proteomics Laboratory, Biomedical Research Center (BMFZ), Heinrich-Heine-University, Düsseldorf, Germany
| | - Julia Hesse
- Department of Molecular Cardiology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Bodo Steckel
- Department of Molecular Cardiology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Kai Stühler
- Molecular Proteomics Laboratory, Biomedical Research Center (BMFZ), Heinrich-Heine-University, Düsseldorf, Germany
| | - Meik Kunz
- Functional Genomics and Systems Biology Group, Department of Bioinformatics, Biocenter, Am Hubland, Würzburg, Germany
| | - Thomas Dandekar
- Functional Genomics and Systems Biology Group, Department of Bioinformatics, Biocenter, Am Hubland, Würzburg, Germany
| | - Zhaoping Ding
- Department of Molecular Cardiology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Payam Akhyari
- Department of Cardiovascular Surgery, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Artur Lichtenberg
- Department of Cardiovascular Surgery, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Jürgen Schrader
- Department of Molecular Cardiology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany.
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Ueberham L, Dagres N, Potpara TS, Bollmann A, Hindricks G. Pharmacological and Non-pharmacological Treatments for Stroke Prevention in Patients with Atrial Fibrillation. Adv Ther 2017; 34:2274-2294. [PMID: 28956288 PMCID: PMC5656712 DOI: 10.1007/s12325-017-0616-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Indexed: 02/06/2023]
Abstract
Atrial fibrillation (AF) is associated with significant risk of stroke and other thromboembolic events, which can be effectively prevented using oral anticoagulation (OAC) with either vitamin K antagonists (VKAs) or non-VKA oral anticoagulants (NOACs) dabigatran, rivaroxaban, apixaban, or edoxaban. Until recently, VKAs were the only available means for OAC treatment. NOACs had similar efficacy and were safer than or as safe as warfarin with respect to reduced rates of hemorrhagic stroke or other intracranial bleeding in the respective pivotal randomized clinical trials (RCTs) of stroke prevention in non-valvular AF patients. Increasing “real-world” evidence on NOACs broadly confirms the results of the RCTs. However, individual patient characteristics including renal function, age, or prior bleeding should be taken into account when choosing the OAC with best risk–benefit profile. In patients ineligible for OACs, surgical or interventional stroke prevention strategies should be considered. In patients undergoing cardiac surgery for other reasons, the left atrial appendage excision, ligation, or amputation may be the best option. Importantly, residual stumps or insufficient ligation may result in even higher stroke risk than without intervention. Percutaneous left atrial appendage occlusion, although requiring minimally invasive access, failed to demonstrate reduced ischemic stroke events compared to warfarin. In this review article, we summarize current treatment options and discuss the strengths and major limitations of the therapies for stroke risk reduction in patients with AF.
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Affiliation(s)
- Laura Ueberham
- Department of Electrophysiology, HELIOS Heart Center Leipzig, Leipzig, Germany.
| | - Nikolaos Dagres
- Department of Electrophysiology, HELIOS Heart Center Leipzig, Leipzig, Germany
| | - Tatjana S Potpara
- Cardiology Clinic, Clinical Center of Serbia, School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Andreas Bollmann
- Department of Electrophysiology, HELIOS Heart Center Leipzig, Leipzig, Germany
| | - Gerhard Hindricks
- Department of Electrophysiology, HELIOS Heart Center Leipzig, Leipzig, Germany
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22
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Sattler K, Behnes M, Barth C, Wenke A, Sartorius B, El-Battrawy I, Mashayekhi K, Kuschyk J, Hoffmann U, Papavasiliu T, Fastner C, Baumann S, Lang S, Zhou X, Yücel G, Borggrefe M, Akin I. Occlusion of left atrial appendage affects metabolomic profile: focus on glycolysis, tricarboxylic acid and urea metabolism. Metabolomics 2017; 13:127. [PMID: 29391863 PMCID: PMC5772135 DOI: 10.1007/s11306-017-1255-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Accepted: 08/16/2017] [Indexed: 01/03/2023]
Abstract
BACKGROUND Left atrial appendage (LAA) closure (LAAC) by implantation of an occlusion device is an established cardiac intervention to reduce risk of stroke while avoiding intake of oral anticoagulation medication during atrial fibrillation. Cardiac interventions can alter local or systemic gene and protein expression. Effects of LAAC on systemic metabolism have not been studied yet. OBJECTIVES We aimed to study the effects of interventional LAAC on systemic metabolism. METHODS Products of glycolysis, tricarboxylic acid and urea metabolism were analyzed by ESI-LC-MS/MS and MS/MS using the AbsoluteIDQ™ p180 Kit in plasma of 44 patients undergoing successful interventional LAAC at baseline (T0) and after 6 months (T1). RESULTS During follow up, plasma concentrations of several parameters of glycolysis and tricarboxylic acid cycle (TCA) and urea metabolism increased (alanine, hexose, proline, sarcosine), while others decreased (aspartate, glycine, SDMA, serine). Multivariate linear regression analysis showed that time after interventional LAAC was an independent predictor for metabolite changes, including the decrease of SDMA (beta -0.19, p < 0.01) and the increase of sarcosine (beta 0.16, p < 0.01). CONCLUSIONS Successful interventional LAAC affects different pathways of the metabolome, which are probably related to cardiac remodeling. The underlying mechanisms as well as the long term effects have to be studied in the future.
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Affiliation(s)
- K. Sattler
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - M. Behnes
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - C. Barth
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - A. Wenke
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - B. Sartorius
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - I. El-Battrawy
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - K. Mashayekhi
- Clinic of Cardiology and Angiology II, Universitäts-Herzzentrum Freiburg–Bad Krozingen, Bad Krozingen, Germany
| | - J. Kuschyk
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - U. Hoffmann
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - T. Papavasiliu
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - C. Fastner
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - S. Baumann
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - S. Lang
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - X. Zhou
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - G. Yücel
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
| | - M. Borggrefe
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site, Heidelberg-Mannheim, Mannheim, Germany
| | - I. Akin
- First Department of Medicine, Faculty of Medicine Mannheim, University Medical Centre Mannheim (UMM), University of Heidelberg, Theodor-Kutzer-Ufer 1-3, 68167 Mannheim, Germany
- DZHK (German Center for Cardiovascular Research), Partner Site, Heidelberg-Mannheim, Mannheim, Germany
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Shi X, Li W, Liu H, Yin D, Zhao J. β-Cyclodextrin induces the differentiation of resident cardiac stem cells to cardiomyocytes through autophagy. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2017; 1864:1425-1434. [DOI: 10.1016/j.bbamcr.2017.05.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 04/24/2017] [Accepted: 05/11/2017] [Indexed: 12/13/2022]
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Naksuk N, Padmanabhan D, Yogeswaran V, Asirvatham SJ. Left Atrial Appendage. JACC Clin Electrophysiol 2016; 2:403-412. [DOI: 10.1016/j.jacep.2016.06.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 05/11/2016] [Accepted: 06/24/2016] [Indexed: 02/08/2023]
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Fanton Y, Houbrechts C, Willems L, Daniëls A, Linsen L, Ratajczak J, Bronckaers A, Lambrichts I, Declercq J, Rummens JL, Hendrikx M, Hensen K. Cardiac atrial appendage stem cells promote angiogenesis in vitro and in vivo. J Mol Cell Cardiol 2016; 97:235-44. [PMID: 27291064 DOI: 10.1016/j.yjmcc.2016.06.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Revised: 05/17/2016] [Accepted: 06/08/2016] [Indexed: 12/23/2022]
Abstract
Cardiac atrial appendage stem cells (CASCs) show extraordinary myocardial differentiation properties, making them ideal candidates for myocardial regeneration. However, since the myocardium is a highly vascularized tissue, revascularization of the ischemic infarct area is essential for functional repair. Therefore, this study assessed if CASCs contribute to cardiac angiogenesis via paracrine mechanisms. First, it was demonstrated that CASCs produce and secrete high levels of numerous angiogenic growth factors, including vascular endothelial growth factor (VEGF), endothelin-1 (ET-1) and insulin-like growth factor binding protein 3 (IGFBP-3). Functional in vitro assays with a human microvascular endothelial cell line (HMEC-1) and CASC CM showed that CASCs promote endothelial cell proliferation, migration and tube formation, the most important steps of the angiogenesis process. Addition of inhibitory antibodies against identified growth factors could significantly reduce these effects, indicating their importance in CASC-induced neovascularization. The angiogenic potential of CASCs and CASC CM was also confirmed in a chorioallantoic membrane assay, demonstrating that CASCs promote blood vessel formation in vivo. In conclusion, this study shows that CASCs not only induce myocardial repair by cardiomyogenic differentiation, but also stimulate blood vessel formation by paracrine mechanisms. The angiogenic properties of CASCs further strengthen their therapeutic potential and make them an optimal stem cell source for the treatment of ischemic heart disease.
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Affiliation(s)
- Yanick Fanton
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium; Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium.
| | - Cynthia Houbrechts
- Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
| | - Leen Willems
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium; Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
| | - Annick Daniëls
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium
| | - Loes Linsen
- AC Biobanking, University Hospital Leuven, Leuven, Belgium
| | | | | | - Ivo Lambrichts
- Biomedical Research Institute, Hasselt University, Hasselt, Belgium
| | - Jeroen Declercq
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium; Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
| | - Jean-Luc Rummens
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium; Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
| | - Marc Hendrikx
- Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium; Department of Cardiothoracic Surgery, Jessa Hospital, Hasselt, Belgium
| | - Karen Hensen
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium; Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
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26
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Stem cells and exosomes in cardiac repair. Curr Opin Pharmacol 2016; 27:19-23. [PMID: 26848944 DOI: 10.1016/j.coph.2016.01.003] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 01/15/2016] [Accepted: 01/18/2016] [Indexed: 01/24/2023]
Abstract
Cardiac diseases currently lead in the number of deaths per year, giving rise an interest in transplanting embryonic and adult stem cells as a means to improve damaged tissue from conditions such as myocardial infarction and coronary artery disease. After testing these cells as a treatment option in both animal and human models, it is believed that these cells improve the damaged tissue primarily through the release of autocrine and paracrine factors. Major concerns such as teratoma formation, immune response, difficulty harvesting cells, and limited cell proliferation and differentiation, hinder the routine use of these cells as a treatment option in the clinic. The advent of stem cell-derived exosomes circumvent those concerns, while still providing the growth factors, miRNA, and additional cell protective factors that aid in repairing and regenerating the damaged tissue. These exosomes have been found to be anti-apoptotic, anti-fibrotic, pro-angiogenic, as well as enhance cardiac differentiation, all of which are key to repairing damaged tissue. As such, stem cell derived exosomes are considered to be a potential new and novel approach in the treatment of various cardiac diseases.
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27
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Cardiac atrial appendage stem cells therapy: a novel and promising approach for myocardial reparation after MI. Int J Cardiol 2016; 203:1153-4. [PMID: 26478524 DOI: 10.1016/j.ijcard.2015.10.039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Accepted: 10/04/2015] [Indexed: 11/23/2022]
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Fanton Y, Robic B, Rummens JL, Daniëls A, Windmolders S, Willems L, Jamaer L, Dubois J, Bijnens E, Heuts N, Notelaers K, Paesen R, Ameloot M, Mees U, Bito V, Declercq J, Hensen K, Koninckx R, Hendrikx M. Possibilities and limitations for co-transplantation of cardiac atrial appendage stem cells and mesenchymal stem cells for myocardial repair. Int J Cardiol 2015; 203:1155-6. [PMID: 26549562 DOI: 10.1016/j.ijcard.2015.10.141] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Accepted: 10/18/2015] [Indexed: 11/19/2022]
Affiliation(s)
- Yanick Fanton
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium; Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium.
| | - Boris Robic
- Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium; Department of Cardiothoracic Surgery, Jessa Hospital, Hasselt, Belgium
| | - Jean-Luc Rummens
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium; Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
| | - Annick Daniëls
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium
| | - Severina Windmolders
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium; Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
| | - Leen Willems
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium; Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
| | - Luc Jamaer
- Department of Cardiac Anesthesia, Jessa Hospital, Hasselt, Belgium
| | - Jasperina Dubois
- Department of Cardiac Anesthesia, Jessa Hospital, Hasselt, Belgium
| | - Eric Bijnens
- MRI Unit-Department of Radiology, Jessa Hospital, Hasselt, Belgium
| | - Nic Heuts
- MRI Unit-Department of Radiology, Jessa Hospital, Hasselt, Belgium
| | - Kristof Notelaers
- Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium; Biomedical Research Institute, Hasselt University, Hasselt, Belgium
| | - Rik Paesen
- Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium; Biomedical Research Institute, Hasselt University, Hasselt, Belgium
| | - Marcel Ameloot
- Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium; Biomedical Research Institute, Hasselt University, Hasselt, Belgium
| | - Urbain Mees
- Department of Cardiothoracic Surgery, Jessa Hospital, Hasselt, Belgium
| | - Virginie Bito
- Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium; Biomedical Research Institute, Hasselt University, Hasselt, Belgium
| | - Jeroen Declercq
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium; Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
| | - Karen Hensen
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium; Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
| | - Remco Koninckx
- Laboratory of Experimental Hematology, Jessa Hospital, Hasselt, Belgium; Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium
| | - Marc Hendrikx
- Faculty of Medicine and Life Sciences, Hasselt University, Hasselt, Belgium; Department of Cardiothoracic Surgery, Jessa Hospital, Hasselt, Belgium
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