1
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Deszcz I. Stem Cell-Based Therapy and Cell-Free Therapy as an Alternative Approach for Cardiac Regeneration. Stem Cells Int 2023; 2023:2729377. [PMID: 37954462 PMCID: PMC10635745 DOI: 10.1155/2023/2729377] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 06/21/2023] [Accepted: 10/10/2023] [Indexed: 11/14/2023] Open
Abstract
The World Health Organization reports that cardiovascular diseases (CVDs) represent 32% of all global deaths. The ineffectiveness of conventional therapies in CVDs encourages the development of novel, minimally invasive therapeutic strategies for the healing and regeneration of damaged tissue. The self-renewal capacity, multilineage differentiation, lack of immunogenicity, and immunosuppressive properties of mesenchymal stem cells (MSCs) make them a promising option for CVDs. However, growing evidence suggests that myocardial regeneration occurs through paracrine factors and extracellular vesicle (EV) secretion, rather than through differentiation into cardiomyocytes. Research shows that stem cells secrete or surface-shed into their culture media various cytokines, chemokines, growth factors, anti-inflammatory factors, and EVs, which constitute an MSC-conditioned medium (MSC-CM) or the secretome. The use of MSC-CM enhances cardiac repair through resident heart cell differentiation, proliferation, scar mass reduction, a decrease in infarct wall thickness, and cardiac function improvement comparable to MSCs without their side effects. This review highlights the limitations and benefits of therapies based on stem cells and their secretome as an innovative treatment of CVDs.
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Affiliation(s)
- Iwona Deszcz
- Department of Immunopathology and Molecular Biology, Wroclaw Medical University, Borowska 211, 50-556, Wroclaw, Poland
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2
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Xiong Z, An Q, Chen L, Xiang Y, Li L, Zheng Y. Cell or cell derivative-laden hydrogels for myocardial infarction therapy: from the perspective of cell types. J Mater Chem B 2023; 11:9867-9888. [PMID: 37751281 DOI: 10.1039/d3tb01411h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Myocardial infarction (MI) is a global cardiovascular disease with high mortality and morbidity. To treat acute MI, various therapeutic approaches have been developed, including cells, extracellular vesicles, and biomimetic nanoparticles. However, the clinical application of these therapies is limited due to low cell viability, inadequate targetability, and rapid elimination from cardiac sites. Injectable hydrogels, with their three-dimensional porous structure, can maintain the biomechanical stabilization of hearts and the transplantation activity of cells. However, they cannot regenerate cardiomyocytes or repair broken hearts. A better understanding of the collaborative relationship between hydrogel delivery systems and cell or cell-inspired therapy will facilitate advancing innovative therapeutic strategies against MI. Following that, from the perspective of cell types, MI progression and recent studies on using hydrogel to deliver cell or cell-derived preparations for MI treatment are discussed. Finally, current challenges and future prospects of cell or cell derivative-laden hydrogels for MI therapy are proposed.
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Affiliation(s)
- Ziqing Xiong
- Department of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Qi An
- Department of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Liqiang Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, China.
| | - Yucheng Xiang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, China.
| | - Lian Li
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, China.
| | - Yaxian Zheng
- Department of Pharmacy, Affiliated Hospital of Southwest Jiaotong University, The Third People's Hospital of Chengdu, Chengdu, Sichuan, China.
- Institute of Biomedical Engineering, College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
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3
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Angrisano T, Varrone F, Ragozzino E, Fico A, Minchiotti G, Brancaccio M. Cripto Is Targeted by miR-1a-3p in a Mouse Model of Heart Development. Int J Mol Sci 2023; 24:12251. [PMID: 37569627 PMCID: PMC10419258 DOI: 10.3390/ijms241512251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
During cardiac differentiation, numerous factors contribute to the development of the heart. Understanding the molecular mechanisms underlying cardiac development will help combat cardiovascular disorders, among the leading causes of morbidity and mortality worldwide. Among the main mechanisms, we indeed find Cripto. Cripto is found in both the syncytiotrophoblast of ampullary pregnancies and the inner cell mass along the primitive streak as the second epithelial-mesenchymal transformation event occurs to form the mesoderm and the developing myocardium. At the same time, it is now known that cardiac signaling pathways are intimately intertwined with the expression of myomiRNAs, including miR-1. This miR-1 is one of the muscle-specific miRs; aberrant expression of miR-1 plays an essential role in cardiac diseases. Given this scenario, our study aimed to evaluate the inverse correlation between Cripto and miR-1 during heart development. We used in vitro models of the heart, represented by embryoid bodies (EBs) and embryonic carcinoma cell lines derived from an embryo-derived teratocarcinoma in mice (P19 cells), respectively. First, through a luciferase assay, we demonstrated that Cripto is a target of miR-1. Following this result, we observed that as the days of differentiation increased, the Cripto gene expression decreased, while the level of miR-1 increased; furthermore, after silencing miR-1 in P19 cells, there was an increase in Cripto expression. Moreover, inducing damage with a cobra cardiotoxin (CTX) in post-differentiation cells, we noted a decreased miR-1 expression and increased Cripto. Finally, in mouse cardiac biopsies, we observed by monitoring gene expression the distribution of Cripto and miR-1 in the right and left ventricles. These results allowed us to detect an inverse correlation between miR-1 and Cripto that could represent a new pharmacological target for identifying new therapies.
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Affiliation(s)
- Tiziana Angrisano
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy
| | | | - Elvira Ragozzino
- Dipartimento di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, 26100 Rome, Italy;
| | - Annalisa Fico
- Stem Cell Fate Laboratory, Institute of Genetics and Biophysics, “A. Buzzati-Traverso”, CNR, 80131 Naples, Italy; (A.F.); (G.M.)
| | - Gabriella Minchiotti
- Stem Cell Fate Laboratory, Institute of Genetics and Biophysics, “A. Buzzati-Traverso”, CNR, 80131 Naples, Italy; (A.F.); (G.M.)
| | - Mariarita Brancaccio
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, Italy
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4
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Omatsu-Kanbe M, Fukunaga R, Mi X, Matsuura H. Atypically Shaped Cardiomyocytes (ACMs): The Identification, Characterization and New Insights into a Subpopulation of Cardiomyocytes. Biomolecules 2022; 12:biom12070896. [PMID: 35883452 PMCID: PMC9313223 DOI: 10.3390/biom12070896] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/17/2022] [Accepted: 06/24/2022] [Indexed: 02/01/2023] Open
Abstract
In the adult mammalian heart, no data have yet shown the existence of cardiomyocyte-differentiable stem cells that can be used to practically repair the injured myocardium. Atypically shaped cardiomyocytes (ACMs) are found in cultures of the cardiomyocyte-removed fraction obtained from cardiac ventricles from neonatal to aged mice. ACMs are thought to be a subpopulation of cardiomyocytes or immature cardiomyocytes, most closely resembling cardiomyocytes due to their spontaneous beating, well-organized sarcomere and the expression of cardiac-specific proteins, including some fetal cardiac gene proteins. In this review, we focus on the characteristics of ACMs compared with ventricular myocytes and discuss whether these cells can be substitutes for damaged cardiomyocytes. ACMs reside in the interstitial spaces among ventricular myocytes and survive under severely hypoxic conditions fatal to ventricular myocytes. ACMs have not been observed to divide or proliferate, similar to cardiomyocytes, but they maintain their ability to fuse with each other. Thus, it is worthwhile to understand the role of ACMs and especially how these cells perform cell fusion or function independently in vivo. It may aid in the development of new approaches to cell therapy to protect the injured heart or the clarification of the pathogenesis underlying arrhythmia in the injured heart.
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5
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Gao H, Zhang L, Wang Z, Yan K, Zhao L, Xiao W. Research Progress on Transorgan Regulation of the Cardiovascular and Motor System through Cardiogenic Exosomes. Int J Mol Sci 2022; 23:ijms23105765. [PMID: 35628575 PMCID: PMC9146752 DOI: 10.3390/ijms23105765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/17/2022] [Accepted: 05/19/2022] [Indexed: 02/01/2023] Open
Abstract
The heart is the core organ of the circulatory system. Through the blood circulation system, it has close contact with all tissues and cells in the body. An exosome is an extracellular vesicle enclosed by a phospholipid bilayer. A variety of heart tissue cells can secrete and release exosomes, which transfer RNAs, lipids, proteins, and other biomolecules to adjacent or remote cells, mediate intercellular communication, and regulate the physiological and pathological activities of target cells. Cardiogenic exosomes play an important role in regulating almost all pathological and physiological processes of the heart. In addition, they can also reach distant tissues and organs through the peripheral circulation, exerting profound influence on their functional status. In this paper, the composition and function of cardiogenic exosomes, the factors affecting cardiogenic exosomes and their roles in cardiovascular physiology and pathophysiology are discussed, and the close relationship between cardiovascular system and motor system is innovatively explored from the perspective of exosomes. This study provides a reference for the development and application of exosomes in regenerative medicine and sports health, and also provides a new idea for revealing the close relationship between the heart and other organ systems.
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6
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MicroRNAs and exosomes: Cardiac stem cells in heart diseases. Pathol Res Pract 2021; 229:153701. [PMID: 34872024 DOI: 10.1016/j.prp.2021.153701] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 11/09/2021] [Accepted: 11/18/2021] [Indexed: 12/20/2022]
Abstract
Treating cardiovascular diseases with cardiac stem cells (CSCs) is a valid treatment among various stem cell-based therapies. With supplying the physiological need for cardiovascular cells as their main function, under pathological circumstances, CSCs can also reproduce the myocardial cells. Although studies have identified many of CSCs' functions, our knowledge of molecular pathways that regulate these functions is not complete enough. Either physiological or pathological studies have shown, stem cells proliferation and differentiation could be regulated by microRNAs (miRNAs). How miRNAs regulate CSC behavior is an interesting area of research that can help us study and control the function of these cells in vitro; an achievement that may be beneficial for patients with cardiovascular diseases. The secretome of stem and progenitor cells has been studied and it has been determined that exosomes are the main source of their secretion which are very small vesicles at the nanoscale and originate from endosomes, which are secreted into the extracellular space and act as key signaling organelles in intercellular communication. Mesenchymal stem cells, cardiac-derived progenitor cells, embryonic stem cells, induced pluripotent stem cells (iPSCs), and iPSC-derived cardiomyocytes release exosomes that have been shown to have cardioprotective, immunomodulatory, and reparative effects. Herein, we summarize the regulation roles of miRNAs and exosomes in cardiac stem cells.
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7
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An YH, Kim SH. Facile Fabrication of Three-Dimensional Hydrogel Film with Complex Tissue Morphology. Bioengineering (Basel) 2021; 8:bioengineering8110164. [PMID: 34821730 PMCID: PMC8614799 DOI: 10.3390/bioengineering8110164] [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: 09/03/2021] [Revised: 10/22/2021] [Accepted: 10/24/2021] [Indexed: 11/16/2022] Open
Abstract
In this study, we proposed a simple and easy method for fabricating a three-dimensional (3D) structure that can recapitulate the morphology of a tissue surface and deliver biological molecules into complex-shaped target tissues. To fabricate the 3D hydrogel film structure, we utilized a direct tissue casting method that can recapitulate tissue structure in micro-/macroscale using polydimethylsiloxane (PDMS). A replica 3D negative mold was manufactured by a polyurethane acrylate (PUA)-based master mold. Then, we poured the catechol-conjugated alginate (ALG-C) solution into the mold and evaporated it to form a dried film, followed by crosslinking the film using calcium chloride. The ALG-C hydrogel film had a tensile modulus of 725.2 ± 123.4 kPa and maintained over 95% of initial weight after 1 week without significant degradation. The ALG-C film captured over 4.5 times as much macromolecule (FITC-dextran) compared to alginate film (ALG). The cardiomyoblast cells exhibited high cell viability over 95% on ALG-C film. Moreover, the ALG-C film had about 70% of surface-bound lentivirus (1% in ALG film), which finally exhibited much higher viral transfection efficiency of GFP protein to C2C12 cells on the film than ALG film. In conclusion, we demonstrated a 3D film structure of biofunctionalized hydrogel for substrate-mediated drug delivery, and this approach could be utilized to recapitulate the complex-shaped tissues.
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Affiliation(s)
- Young-Hyeon An
- BioMax/N-Bio Institute, Seoul National University, Seoul 08826, Korea;
| | - Su-Hwan Kim
- Department of Chemical Engineering (BK 21 FOUR), Dong-A University, Busan 49315, Korea
- Correspondence:
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8
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Khori V, Mohammad Zadeh F, Tavakoli-Far B, Alizadeh AM, Khalighfard S, Ghandian Zanjan M, Gharghi M, Khodayari S, Khodayari H, Keshavarz P. Role of oxytocin and c-Myc pathway in cardiac remodeling in neonatal rats undergoing cardiac apical resection. Eur J Pharmacol 2021; 908:174348. [PMID: 34280399 DOI: 10.1016/j.ejphar.2021.174348] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 07/07/2021] [Accepted: 07/12/2021] [Indexed: 11/26/2022]
Abstract
Oxytocin (OT) is a nonapeptide hormone that can improve cardiomyocyte proliferation, suggesting a potential heart regeneration function. Here, we investigated the role of oxytocin and the c-Myc pathway in cardiac remodeling in neonatal rats undergoing cardiac apical resection. We have utilized a knockout of oxytocin receptor (OTR) with OTR-shRNA. A neonatal rat model of cardiac resection (≈10%-15%) was first established. The protein levels of OTR and c-Myc and the expression of cyclin d1 and c-Myc genes were then evaluated in the cardiac tissues at 1, 7, and 21 days after cardiac resection. We also analyzed the proliferation of cardiomyocytes through α-actinin, BrdU, and ki-67 markers. At last, the hemodynamic and electrophysiologic functions were evaluated eight weeks after cardiac resection. At 21 days, the regeneration of cardiomyocytes was repaired among rats in the control and resection groups, while OTR-shRNA groups were failed to improve. Inhibition of OTR failed cardiac regeneration and reduced the number of proliferating cardiomyocytes. The c-Myc protein was significantly reduced in the OTR-shRNA injection hearts. Moreover, we have severely found a depressed heart function in the OTR-shRNA injection animals. These observations revealed that the OT must improve cardiac remodeling in neonatal rat hearts by regulating the c-Myc pathway.
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Affiliation(s)
- Vahid Khori
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Fatemeh Mohammad Zadeh
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Bahareh Tavakoli-Far
- Dietary Supplements and Probiotic Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Ali Mohammad Alizadeh
- Cancer Research Center, Tehran University of Medical Sciences, Tehran, Iran; Breast Disease Research Center, Tehran University of Medical Sciences, Tehran, Iran.
| | - Solmaz Khalighfard
- Breast Disease Research Center, Tehran University of Medical Sciences, Tehran, Iran; Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Maziar Ghandian Zanjan
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Maryam Gharghi
- Ischemic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Saeed Khodayari
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran; International Center for Personalized Medicine, Düsseldorf, Germany
| | - Hamid Khodayari
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran; International Center for Personalized Medicine, Düsseldorf, Germany
| | - Pedram Keshavarz
- Department of Radiology, Tbilisi State Medical University (TSMU), Tbilisi, Georgia
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9
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Taylor DA, Chacon-Alberty L, Sampaio LC, Del Hierro MG, Perin EC, Mesquita FCP, Henry TD, Traverse JH, Pepine CJ, Hare JM, Murphy MP, Yang PC, March KL, Vojvodic RW, Ebert RF, Bolli R. Recommendations for Nomenclature and Definition Of Cell Products Intended for Human Cardiovascular Use. Cardiovasc Res 2021; 118:2428-2436. [PMID: 34387303 DOI: 10.1093/cvr/cvab270] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 08/10/2021] [Indexed: 12/15/2022] Open
Abstract
Exogenous cell-based therapy has emerged as a promising new strategy to facilitate repair of hearts damaged by acute or chronic injury. However, the field of cell-based therapy is handicapped by the lack of standardized definitions and terminology, making comparisons across studies challenging. Even the term "stem cell therapy" is misleading because only a small percentage of cells derived from adult bone marrow, peripheral blood, or adipose tissue meets the accepted hematopoietic or developmental definition of stem cells. Furthermore, cells (stem or otherwise) are dynamic biological products, meaning that their surface marker expression, phenotypic and functional characteristics, and the products they secrete in response to their microenvironment can change. It is also important to point out that most surface markers are seldom specific for a cell type. In this article, we discuss the lack of consistency in the descriptive terminology used in cell-based therapies and offer guidelines aimed at standardizing nomenclature and definitions to improve communication among investigators and the general public.
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Affiliation(s)
- Doris A Taylor
- Regenerative Medicine Research, Texas Heart Institute, Houston, Texas.,RegenMedix Consulting LLC, Houston, Texas
| | | | - Luiz C Sampaio
- Regenerative Medicine Research, Texas Heart Institute, Houston, Texas
| | | | - Emerson C Perin
- Regenerative Medicine Research, Texas Heart Institute, Houston, Texas
| | | | - Timothy D Henry
- The Carl and Edyth Lindner Center for Research and Education, The Christ Hospital, Cincinnati, Ohio
| | - Jay H Traverse
- Minneapolis Heart Institute Foundation at Abbott Northwestern Hospital, and University of Minnesota School of Medicine, Minneapolis, Minnesota
| | - Carl J Pepine
- University of Florida College of Medicine, Gainesville, Florida
| | - Joshua M Hare
- University of Miami School of Medicine, Miami, Florida
| | | | - Phillip C Yang
- Stanford University School of Medicine, Stanford, California
| | - Keith L March
- University of Florida College of Medicine, Gainesville, Florida
| | - Rachel W Vojvodic
- University of Texas Health Science Center at Houston School of Public Health, Houston, Texas
| | - Ray F Ebert
- National Heart, Lung, and Blood Institute, Bethesda, Maryland
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10
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Madonna R, Guarnieri S, Kovácsházi C, Görbe A, Giricz Z, Geng YJ, Mariggiò MA, Ferdinandy P, De Caterina R. Telomerase/myocardin expressing mesenchymal cells induce survival and cardiovascular markers in cardiac stromal cells undergoing ischaemia/reperfusion. J Cell Mol Med 2021; 25:5381-5390. [PMID: 33949765 PMCID: PMC8184669 DOI: 10.1111/jcmm.16549] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/19/2021] [Accepted: 03/31/2021] [Indexed: 12/17/2022] Open
Abstract
Cardiac stromal cells (CSCs) contain a pool of cells with supportive and paracrine functions. Various types of mesenchymal stromal cells (MSCs) can influence CSCs in the cardiac niche through their paracrine activity. Ischaemia/reperfusion (I/R) leads to cell death and reduction of the paracrine activity of CSCs. The forced co‐expression of telomerase reverse transcriptase (TERT) and myocardin (MYOCD), known to potentiate anti‐apoptotic, pro‐survival and pro‐angiogenic activities of MSCs isolated from the adipose tissue (AT‐MSCs), may increase CSC survival, favouring their paracrine activities. We aimed at investigating the hypothesis that CSCs feature improved resistance to simulated I/R (SI/R) and increased commitment towards the cardiovascular lineage when preconditioned with conditioned media (CM) or extracellular vesicles (EV) released from AT‐MSCs overexpressing TERT and MYOCD (T/M AT‐MSCs). Murine CSCs were isolated with the cardiosphere (CSps) isolation technique. T/M AT‐MSCs and their secretome improved spontaneous intracellular calcium changes and ryanodine receptor expression in aged CSps. The cytoprotective effect of AT‐MSCs was tested in CSCs subjected to SI/R. SI/R induced cell death as compared to normoxia (28 ± 4 vs 10 ± 3%, P = .02). Pre‐treatment with CM (15 ± 2, P = .02) or with the EV‐enriched fraction (10 ± 1%, P = .02) obtained from mock‐transduced AT‐MSCs in normoxia reduced cell death after SI/R. The effect was more pronounced with CM (7 ± 1%, P = .01) or the EV‐enriched fraction (2 ± 1%, P = .01) obtained from T/M AT‐MSCs subjected to SI/R. In parallel, we observed lower expression of the apoptosis marker cleaved caspase‐3 and higher expression of cardiac and vascular markers eNOS, sarcomeric α‐actinin and cardiac actin. The T/M AT‐MSCs secretome exerts a cytoprotective effect and promotes development of CSCs undergoing SI/R towards a cardiovascular phenotype.
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Affiliation(s)
- Rosalinda Madonna
- Department of Internal Medicine, McGovern School of Medicine, The University of Texas Health Science Center at Houston, Houston, TX, USA.,Department of Pathology, Cardiology Division, University of Pisa, Pisa, Italy
| | - Simone Guarnieri
- Center for Advanced Studies and Technology -CAST, Chieti-Pescara, Chieti, Italy.,Department of Neuroscience, Imaging and Clinical Sciences, Chieti-Pescara and StemTeCh Group, "G. d'Annunzio" University, Chieti, Italy
| | - Csenger Kovácsházi
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary
| | - Aniko Görbe
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary
| | - Zoltán Giricz
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary.,Pharmahungary Group, Szeged, Hungary
| | - Yong-Jian Geng
- Department of Internal Medicine, McGovern School of Medicine, The University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Maria Addolorata Mariggiò
- Center for Advanced Studies and Technology -CAST, Chieti-Pescara, Chieti, Italy.,Department of Neuroscience, Imaging and Clinical Sciences, Chieti-Pescara and StemTeCh Group, "G. d'Annunzio" University, Chieti, Italy
| | - Péter Ferdinandy
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary.,Pharmahungary Group, Szeged, Hungary
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11
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Carresi C, Scicchitano M, Scarano F, Macrì R, Bosco F, Nucera S, Ruga S, Zito MC, Mollace R, Guarnieri L, Coppoletta AR, Gliozzi M, Musolino V, Maiuolo J, Palma E, Mollace V. The Potential Properties of Natural Compounds in Cardiac Stem Cell Activation: Their Role in Myocardial Regeneration. Nutrients 2021; 13:275. [PMID: 33477916 PMCID: PMC7833367 DOI: 10.3390/nu13010275] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 01/07/2021] [Accepted: 01/12/2021] [Indexed: 12/12/2022] Open
Abstract
Cardiovascular diseases (CVDs), which include congenital heart disease, rhythm disorders, subclinical atherosclerosis, coronary heart disease, and many other cardiac disorders, cause about 30% of deaths globally; representing one of the main health problems worldwide. Among CVDs, ischemic heart diseases (IHDs) are one of the major causes of morbidity and mortality in the world. The onset of IHDs is essentially due to an unbalance between the metabolic demands of the myocardium and its supply of oxygen and nutrients, coupled with a low regenerative capacity of the heart, which leads to great cardiomyocyte (CM) loss; promoting heart failure (HF) and myocardial infarction (MI). To date, the first strategy recommended to avoid IHDs is prevention in order to reduce the underlying risk factors. In the management of IHDs, traditional therapeutic options are widely used to improve symptoms, attenuate adverse cardiac remodeling, and reduce early mortality rate. However, there are no available treatments that aim to improve cardiac performance by replacing the irreversible damaged cardiomyocytes (CMs). Currently, heart transplantation is the only treatment being carried out for irreversibly damaged CMs. Hence, the discovery of new therapeutic options seems to be necessary. Interestingly, recent experimental evidence suggests that regenerative stem cell medicine could be a useful therapeutic approach to counteract cardiac damage and promote tissue regeneration. To this end, researchers are tasked with answering one main question: how can myocardial regeneration be stimulated? In this regard, natural compounds from plant extracts seem to play a particularly promising role. The present review will summarize the recent advances in our knowledge of stem cell therapy in the management of CVDs; focusing on the main properties and potential mechanisms of natural compounds in stimulating and activating stem cells for myocardial regeneration.
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Affiliation(s)
- Cristina Carresi
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Miriam Scicchitano
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Federica Scarano
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Roberta Macrì
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Francesca Bosco
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Saverio Nucera
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Stefano Ruga
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Maria Caterina Zito
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Rocco Mollace
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Lorenza Guarnieri
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Anna Rita Coppoletta
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Micaela Gliozzi
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Vincenzo Musolino
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Jessica Maiuolo
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
| | - Ernesto Palma
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
- Nutramed S.c.a.r.l., Complesso Ninì Barbieri, Roccelletta di Borgia, 88100 Catanzaro, Italy
| | - Vincenzo Mollace
- Institute of Research for Food Safety & Health IRC-FSH, University Magna Graecia, 88100 Catanzaro, Italy; (F.S.); (R.M.); (F.B.); (S.N.); (S.R.); (M.C.Z.); (R.M.); (L.G.); (A.R.C.); (M.G.); (V.M.); (J.M.); (E.P.); (V.M.)
- Nutramed S.c.a.r.l., Complesso Ninì Barbieri, Roccelletta di Borgia, 88100 Catanzaro, Italy
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12
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Berezin AE, Berezin AA. Stem-Cell-Based Cardiac Regeneration: Is There a Place For Optimism in the Future? Stem Cells 2021. [DOI: 10.1007/978-3-030-77052-5_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Ayad O, Al Sayed ZR, Sebille S, Magaud C, Chapotte-Baldacci CA, Jayle C, Faivre JF, Gaborit N, Chatelier A, Bois P. In vitro differentiation of W8B2 + human cardiac stem cells: gene expression of ionic channels and spontaneous calcium activity. Cell Mol Biol Lett 2020; 25:50. [PMID: 33292162 PMCID: PMC7646077 DOI: 10.1186/s11658-020-00242-9] [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: 06/11/2020] [Accepted: 10/29/2020] [Indexed: 11/18/2022] Open
Abstract
Background Human cardiac stem cells expressing the W8B2 marker (W8B2+ CSCs) were recently identified and proposed as a new model of multipotent CSCs capable of differentiating into smooth muscle cells, endothelial cells and immature myocytes. Nevertheless, no characterization of ion channel or calcium activity during the differentiation of these stem cells has been reported. Methods The objectives of this study were thus to analyze (using the TaqMan Low-Density Array technique) the gene profile of W8B2+ CSCs pertaining to the regulation of ion channels, transporters and other players involved in the calcium homeostasis of these cells. We also analyzed spontaneous calcium activity (via the GCaMP calcium probe) during the in vitro differentiation of W8B2+ CSCs into cardiac myocytes. Results Our results show an entirely different electrophysiological genomic profile between W8B2+ CSCs before and after differentiation. Some specific nodal genes, such as Tbx3, HCN, ICaT, L, KV, and NCX, are overexpressed after this differentiation. In addition, we reveal spontaneous calcium activity or a calcium clock whose kinetics change during the differentiation process. A pharmacological study carried out on differentiated W8B2+ CSCs showed that the NCX exchanger and IP3 stores play a fundamental role in the generation of these calcium oscillations. Conclusions Taken together, the present results provide important information on ion channel expression and intrinsic calcium dynamics during the differentiation process of stem cells expressing the W8B2 marker.
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Affiliation(s)
- Oualid Ayad
- University of Poitiers Signalisation et Transports Ioniques Membranaires, EA7349, Poitiers Cedex 09, France
| | - Zeina R Al Sayed
- CNRS, INSERM, l'institut du thorax, Université de Nantes, 44000, Nantes, France
| | - Stéphane Sebille
- University of Poitiers Signalisation et Transports Ioniques Membranaires, EA7349, Poitiers Cedex 09, France
| | - Christophe Magaud
- University of Poitiers Signalisation et Transports Ioniques Membranaires, EA7349, Poitiers Cedex 09, France
| | | | - Christophe Jayle
- CHU of Poitiers chirurgie cardiaque et thoracique, , Poitiers Cedex 09, France
| | - Jean-François Faivre
- University of Poitiers Signalisation et Transports Ioniques Membranaires, EA7349, Poitiers Cedex 09, France
| | - Nathalie Gaborit
- CNRS, INSERM, l'institut du thorax, Université de Nantes, 44000, Nantes, France
| | - Aurélien Chatelier
- University of Poitiers Signalisation et Transports Ioniques Membranaires, EA7349, Poitiers Cedex 09, France
| | - Patrick Bois
- University of Poitiers Signalisation et Transports Ioniques Membranaires, EA7349, Poitiers Cedex 09, France.
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14
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Kang IS, Suh J, Lee MN, Lee C, Jin J, Lee C, Yang YI, Jang Y, Oh GT. Characterization of human cardiac mesenchymal stromal cells and their extracellular vesicles comparing with human bone marrow derived mesenchymal stem cells. BMB Rep 2020. [PMID: 31964470 PMCID: PMC7061210 DOI: 10.5483/bmbrep.2020.53.2.235] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Cardiac regeneration with adult stem-cell (ASC) therapy is a promising field to address advanced cardiovascular diseases. In addition, extracellular vesicles (EVs) from ASCs have been implicated in acting as paracrine factors to improve cardiac functions in ASC therapy. In our work, we isolated human cardiac mesenchymal stromal cells (h-CMSCs) by means of three-dimensional organ culture (3D culture) during ex vivo expansion of cardiac tissue, to compare the functional efficacy with human bone-marrow derived mesenchymal stem cells (h-BM-MSCs), one of the actively studied ASCs. We characterized the h-CMSCs as CD90low, c-kitnegative, CD105positive phenotype and these cells express NANOG, SOX2, and GATA4. To identify the more effective type of EVs for angiogenesis among the different sources of ASCs, we isolated EVs which were derived from CMSCs with either normoxic or hypoxic condition and BM-MSCs. Our in vitro tube-formation results demonstrated that the angiogenic effects of EVs from hypoxia-treated CMSCs (CMSC-Hpx EVs) were greater than the well-known effects of EVs from BM-MSCs (BM-MSC EVs), and these were even comparable to human vascular endothelial growth factor (hVEGF), a potent angiogenic factor. Therefore, we present here that CD90lowc-kitnegativeCD105positive CMSCs under hypoxic conditions secrete functionally superior EVs for in vitro angiogenesis. Our findings will allow more insights on understanding myocardial repair.
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Affiliation(s)
- In Sook Kang
- The Graduate School, Yonsei University College of Medicine, Seoul 03722; Department of Internal Medicine, Mokdong Hospital, School of Medicine, Ewha Womans University, Seoul 07804, Korea
| | - Joowon Suh
- Department of Life Sciences and College of Natural Sciences, Ewha Womans University, Seoul 03760, Korea
| | - Mi-Ni Lee
- Department of Life Sciences and College of Natural Sciences, Ewha Womans University, Seoul 03760, Korea
| | - Chaeyoung Lee
- Department of Life Sciences and College of Natural Sciences, Ewha Womans University, Seoul 03760, Korea; Faculty of Arts and Science, University of Toronto, Toronto, ON M5S 1A1, Canada
| | - Jing Jin
- Department of Life Sciences and College of Natural Sciences, Ewha Womans University, Seoul 03760, Korea
| | - Changjin Lee
- Department of Life Sciences and College of Natural Sciences, Ewha Womans University, Seoul 03760, Korea
| | - Young Il Yang
- Paik Institute for Clinical Research, Inje University College of Medicine, Busan 47392, Korea
| | - Yangsoo Jang
- The Graduate School, Yonsei University College of Medicine, Seoul 03722; Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Goo Taeg Oh
- Department of Life Sciences and College of Natural Sciences, Ewha Womans University, Seoul 03760, Korea
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15
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Mancuso T, Barone A, Salatino A, Molinaro C, Marino F, Scalise M, Torella M, De Angelis A, Urbanek K, Torella D, Cianflone E. Unravelling the Biology of Adult Cardiac Stem Cell-Derived Exosomes to Foster Endogenous Cardiac Regeneration and Repair. Int J Mol Sci 2020; 21:E3725. [PMID: 32466282 PMCID: PMC7279257 DOI: 10.3390/ijms21103725] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 05/15/2020] [Accepted: 05/20/2020] [Indexed: 12/11/2022] Open
Abstract
Cardiac remuscularization has been the stated goal of the field of regenerative cardiology since its inception. Along with the refreshment of lost and dysfunctional cardiac muscle cells, the field of cell therapy has expanded in scope encompassing also the potential of the injected cells as cardioprotective and cardio-reparative agents for cardiovascular diseases. The latter has been the result of the findings that cell therapies so far tested in clinical trials exert their beneficial effects through paracrine mechanisms acting on the endogenous myocardial reparative/regenerative potential. The endogenous regenerative potential of the adult heart is still highly debated. While it has been widely accepted that adult cardiomyocytes (CMs) are renewed throughout life either in response to wear and tear and after injury, the rate and origin of this phenomenon are yet to be clarified. The adult heart harbors resident cardiac/stem progenitor cells (CSCs/CPCs), whose discovery and characterization were initially sufficient to explain CM renewal in response to physiological and pathological stresses, when also considering that adult CMs are terminally differentiated cells. The role of CSCs in CM formation in the adult heart has been however questioned by some recent genetic fate map studies, which have been proved to have serious limitations. Nevertheless, uncontested evidence shows that clonal CSCs are effective transplantable regenerative agents either for their direct myogenic differentiation and for their paracrine effects in the allogeneic setting. In particular, the paracrine potential of CSCs has been the focus of the recent investigation, whereby CSC-derived exosomes appear to harbor relevant regenerative and reparative signals underlying the beneficial effects of CSC transplantation. This review focuses on recent advances in our knowledge about the biological role of exosomes in heart tissue homeostasis and repair with the idea to use them as tools for new therapeutic biotechnologies for "cell-less" effective cardiac regeneration approaches.
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Affiliation(s)
- Teresa Mancuso
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Antonella Barone
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Alessandro Salatino
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Claudia Molinaro
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Fabiola Marino
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Mariangela Scalise
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Michele Torella
- Department of Translational Medical Sciences, AORN dei Colli/Monaldi Hospital, University of Campania “L. Vanvitelli”, Via Leonardo Bianchi, 80131 Naples, Italy;
| | - Antonella De Angelis
- Department of Experimental Medicine, Section of Pharmacology, University of Campania “L.Vanvitelli”, 80121 Naples, Italy;
| | - Konrad Urbanek
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Daniele Torella
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Eleonora Cianflone
- Molecular and Cellular Cardiology, Department of Medical and Surgical Sciences, Magna Graecia University, 88100 Catanzaro, Italy;
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16
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Aceves JL, López RV, Terán PM, Escobedo CM, Marroquín Muciño MA, Castillo GG, Estrada MM, García FR, Quiroz GD, Montaño Estrada LF. Autologous CXCR4+ Hematopoietic Stem Cells Injected into the Scar Tissue of Chronic Myocardial Infarction Patients Normalizes Tissue Contractility and Perfusion. Arch Med Res 2020; 51:135-144. [PMID: 32113784 DOI: 10.1016/j.arcmed.2019.12.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 12/05/2019] [Accepted: 12/17/2019] [Indexed: 12/27/2022]
Abstract
BACKGROUND Chronic myocardial infarction (CMI), represents a public health and a financial burden. Since stem cell transplant is used to regenerate cardiac tissue after acute myocardial infarction. AIM OF THE STUDY To determine if autologous CXCR4 stem cells could restore damaged myocardial tissue in patients with CMI lesions. METHODS 20 NYHA grade III male patients with CMI defined by clinical, biochemical, ECG and echocardiographic parameters were included. Patients were treated with G-CSF for 6 d before isolating their autologous stem cells from PBMCs. Cell phenotyping was done by cytofluorometry using monoclonal antibodies (anti-CXCR4, -CD34, -48, -117, -133, -Ki67, -SDF1 and CXCR4); CXCR4 cell subpopulations isolated by sorting were adjusted to 1 × 108 cells by subpopulation and injected in a circular pattern into the cicatrix previously defined by echocardiography. RESULTS Patients were followed for 6 and 12 months. Six months after cell implant improvements in left ventricle ejection fraction (from 33-50%), stress rate values (from -3/-9% to -18/-22%), stress tests (from 4-12 METS), and the quantity of left ventricle affected segments (3-9) disappeared according to the G-SPECT images. 12 months evaluations did not show significant differences. Interestingly, 3 months after cell implant the ECG showed normal electrical activity in 9 patients whereas after 6 months it was normal in all the patients. CONCLUSIONS These results ratify that locally injected autologous CXCR4+ bone marrow-derived stem cells have a physiological and a clinical impact in patients with CMI.
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Affiliation(s)
- José Luis Aceves
- Departamento de Cirugía Cardiotorácica, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico.
| | - Rafael Vilchis López
- Departamento de Cirugía Cardiotorácica, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Paúl Mondragón Terán
- Laboratorio de Medicina Regenerativa e Ingeniería de Tejidos, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Carmen Martínez Escobedo
- Departamento de Cardiología Nuclear, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Mario A Marroquín Muciño
- Laboratorio de Medicina Regenerativa e Ingeniería de Tejidos, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Guillermo García Castillo
- Laboratorio de Medicina Regenerativa e Ingeniería de Tejidos, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Miriam Marmolejo Estrada
- Unidad de Aféresis, Banco de Sangre, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Fernando Rodríguez García
- Unidad de Aféresis, Banco de Sangre, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Guillermo Díaz Quiroz
- Departamento de Cirugía Cardiotorácica, Centro Médico Nacional 20 de noviembre, Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado, Ciudad de México, Mexico
| | - Luis Felipe Montaño Estrada
- Departamento de Biología Celular y Tisular, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
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17
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Jeong HS, Park CY, Kim JH, Joo HJ, Choi SC, Choi JH, Lim IR, Park JH, Hong SJ, Lim DS. Cardioprotective effects of genetically engineered cardiac stem cells by spheroid formation on ischemic cardiomyocytes. Mol Med 2020; 26:15. [PMID: 32005100 PMCID: PMC6995053 DOI: 10.1186/s10020-019-0128-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Accepted: 12/12/2019] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Sca-1+ cardiac stem cells and their limited proliferative potential were major limiting factors for use in various studies. METHODS Therefore, the effects of sphere genetically engineered cardiac stem cells (S-GECS) inserted with telomerase reverse transcriptase (TERT) were investigated to examine cardiomyocyte survival under hypoxic conditions. GECS was obtained from hTERT-immortalized Sca-1+ cardiac stem cell (CSC) lines, and S-GECS were generated using poly-HEMA. RESULTS The optimal conditions for S-GECS was determined to be 1052 GECS cells/mm2 and a 48 h culture period to produce spheroids. Compared to adherent-GECS (A-GECS) and S-GECS showed significantly higher mRNA expression of SDF-1α and CXCR4. S-GECS conditioned medium (CM) significantly reduced the proportion of early and late apoptotic cardiomyoblasts during CoCl2-induced hypoxic injury; however, gene silencing via CXCR4 siRNA deteriorated the protective effects of S-GECS against hypoxic injury. As downstream pathways of SDF-1α/CXCR4, the Erk and Akt signaling pathways were stimulated in the presence of S-GECS CM. S-GECS transplantation into a rat acute myocardial infarction model improved cardiac function and reduced the fibrotic area. These cardioprotective effects were confirmed to be related with the SDF-1α/CXCR4 pathway. CONCLUSIONS Our findings suggest that paracrine factors secreted from transplanted cells may protect host cardiomyoblasts in the infarcted myocardium, contributing to beneficial left ventricle (LV) remodeling after acute myocardial infarction (AMI).
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Affiliation(s)
- Han Saem Jeong
- Department of Cardiology, Cardiovascular Center, Korea University College of Medicine, Seoul, Republic of Korea
| | - Chi-Yeon Park
- Department of Cardiology, Cardiovascular Center, Korea University College of Medicine, Seoul, Republic of Korea
| | - Jong-Ho Kim
- Department of Cardiology, Cardiovascular Center, Korea University College of Medicine, Seoul, Republic of Korea
| | - Hyung Joon Joo
- Department of Cardiology, Cardiovascular Center, Korea University College of Medicine, Seoul, Republic of Korea
| | - Seung-Cheol Choi
- Department of Cardiology, Cardiovascular Center, Korea University College of Medicine, Seoul, Republic of Korea
| | - Ji-Hyun Choi
- Department of Cardiology, Cardiovascular Center, Korea University College of Medicine, Seoul, Republic of Korea
| | - I-Rang Lim
- Department of Cardiology, Cardiovascular Center, Korea University College of Medicine, Seoul, Republic of Korea
| | - Jae Hyoung Park
- Department of Cardiology, Cardiovascular Center, Korea University College of Medicine, Seoul, Republic of Korea
| | - Soon Jun Hong
- Department of Cardiology, Cardiovascular Center, Korea University College of Medicine, Seoul, Republic of Korea
| | - Do-Sun Lim
- Department of Cardiology, Cardiovascular Center, Korea University College of Medicine, Seoul, Republic of Korea.
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18
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Li Calzi S, Cook T, Della Rocca DG, Zhang J, Shenoy V, Yan Y, Espejo A, Rathinasabapathy A, Jacobsen MH, Salazar T, Sandusky GE, Shaw LC, March K, Raizada MK, Pepine CJ, Katovich MJ, Grant MB. Complementary Embryonic and Adult Cell Populations Enhance Myocardial Repair in Rat Myocardial Injury Model. Stem Cells Int 2019; 2019:3945850. [PMID: 31781239 PMCID: PMC6875168 DOI: 10.1155/2019/3945850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 04/09/2019] [Accepted: 10/01/2019] [Indexed: 11/18/2022] Open
Abstract
We compared the functional outcome of Isl-1+ cardiac progenitors, CD90+ bone marrow-derived progenitor cells, and the combination of the two in a rat myocardial infarction (MI) model. Isl-1+ cells were isolated from embryonic day 12.5 (E12.5) rat hearts and expanded in vitro. Thy-1+/CD90+ cells were isolated from the bone marrow of adult Sprague-Dawley rats by immunomagnetic cell sorting. Six-week-old female Sprague-Dawley rats underwent permanent left anterior descending (LAD) coronary artery ligation and received intramyocardial injection of either saline, Isl-1+ cells, CD90+ cells, or a combination of Isl-1+ and CD90+ cells, at the time of infarction. Cells were delivered transepicardially to the peri-infarct zone. Left ventricular function was assessed by transthoracic echocardiography at 1- and 4-week post-MI and by Millar catheterization (-dP/dt and +dP/dt) at 4-week post-MI. Fluorescence in situ hybridization (Isl-1+cells) and monochrystalline iron oxide nanoparticles labeling (MION; CD90+ cells) were performed to assess biodistribution of transplanted cells. Only the combination of cells demonstrated a significant improvement of cardiac function as assessed by anterior wall contractility, dP/dt (max), and dP/dt (min), compared to Isl-1+ or CD90+ cell monotherapies. In the combination cell group, viable cells were detected at week 4 when anterior wall motion was completely restored. In conclusion, the combination of Isl-1+ cardiac progenitors and adult bone marrow-derived CD90+ cells shows prolonged and robust myocardial tissue repair and provides support for the use of complementary cell populations to enhance myocardial repair.
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Affiliation(s)
- Sergio Li Calzi
- Department of Ophthalmology and Visual Sciences, University of Alabama at Birmingham, Birmingham, AL 35294-0001, USA
| | - Todd Cook
- Department of Medicine, IUPUI, Indianapolis, IN 46202, USA
| | | | - Juan Zhang
- Department of Pharmacodynamics, University of Florida, Gainesville, FL 32611, USA
| | - Vinayak Shenoy
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, FL 32611, USA
| | - Yuanqing Yan
- Department of Biostatistics, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Andrew Espejo
- Department of Pharmacodynamics, University of Florida, Gainesville, FL 32611, USA
| | | | - Max H. Jacobsen
- Pathology and Laboratory Med., IUPUI, Indianapolis, IN 46202, USA
| | - Tatiana Salazar
- Department of Ophthalmology and Visual Sciences, University of Alabama at Birmingham, Birmingham, AL 35294-0001, USA
| | | | - Lynn C. Shaw
- Department of Ophthalmology and Visual Sciences, University of Alabama at Birmingham, Birmingham, AL 35294-0001, USA
| | - Keith March
- Department of Medicine, IUPUI, Indianapolis, IN 46202, USA
| | - Mohan K. Raizada
- Department of Physiology and Functional Genomics, University of Florida, Gainesville, FL 32611, USA
| | - Carl J. Pepine
- Department of Medicine, University of Florida, Gainesville, FL 32611, USA
| | - Michael J. Katovich
- Department of Pharmacodynamics, University of Florida, Gainesville, FL 32611, USA
| | - Maria B. Grant
- Department of Ophthalmology and Visual Sciences, University of Alabama at Birmingham, Birmingham, AL 35294-0001, USA
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Caccioppo A, Franchin L, Grosso A, Angelini F, D'Ascenzo F, Brizzi MF. Ischemia Reperfusion Injury: Mechanisms of Damage/Protection and Novel Strategies for Cardiac Recovery/Regeneration. Int J Mol Sci 2019; 20:E5024. [PMID: 31614414 PMCID: PMC6834134 DOI: 10.3390/ijms20205024] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 09/24/2019] [Accepted: 10/08/2019] [Indexed: 12/11/2022] Open
Abstract
Ischemic diseases in an aging population pose a heavy social encumbrance. Moreover, current therapeutic approaches, which aimed to prevent or minimize ischemia-induced damage, are associated with relevant costs for healthcare systems. Early reperfusion by primary percutaneous coronary intervention (PPCI) has undoubtedly improved patient's outcomes; however, the prevention of long-term complications is still an unmet need. To face these hurdles and improve patient's outcomes, novel pharmacological and interventional approaches, alone or in combination, reducing myocardium oxygen consumption or supplying blood flow via collateral vessels have been proposed. A number of clinical trials are ongoing to validate their efficacy on patient's outcomes. Alternative options, including stem cell-based therapies, have been evaluated to improve cardiac regeneration and prevent scar formation. However, due to the lack of long-term engraftment, more recently, great attention has been devoted to their paracrine mediators, including exosomes (Exo) and microvesicles (MV). Indeed, Exo and MV are both currently considered to be one of the most promising therapeutic strategies in regenerative medicine. As a matter of fact, MV and Exo that are released from stem cells of different origin have been evaluated for their healing properties in ischemia reperfusion (I/R) settings. Therefore, this review will first summarize mechanisms of cardiac damage and protection after I/R damage to track the paths through which more appropriate interventional and/or molecular-based targeted therapies should be addressed. Moreover, it will provide insights on novel non-invasive/invasive interventional strategies and on Exo-based therapies as a challenge for improving patient's long-term complications. Finally, approaches for improving Exo healing properties, and topics still unsolved to move towards Exo clinical application will be discussed.
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Affiliation(s)
- Andrea Caccioppo
- Department of Medical Sciences, University of Turin, 10124 Torino, Italy.
| | - Luca Franchin
- Division of Cardiology, Department of Medical Sciences, University of Turin, 10124 Torino, Italy.
| | - Alberto Grosso
- Department of Medical Sciences, University of Turin, 10124 Torino, Italy.
| | - Filippo Angelini
- Division of Cardiology, Department of Medical Sciences, University of Turin, 10124 Torino, Italy.
| | - Fabrizio D'Ascenzo
- Division of Cardiology, Department of Medical Sciences, University of Turin, 10124 Torino, Italy.
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20
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Gude NA, Sussman MA. Cardiac regenerative therapy: Many paths to repair. Trends Cardiovasc Med 2019; 30:338-343. [PMID: 31515053 DOI: 10.1016/j.tcm.2019.08.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 08/14/2019] [Accepted: 08/29/2019] [Indexed: 12/17/2022]
Abstract
Cardiovascular disease remains the primary cause of death in the United States and in most nations worldwide, despite ongoing intensive efforts to promote cardiac health and treat heart failure. Replacing damaged myocardium represents perhaps the most promising treatment strategy, but also the most challenging given that the adult mammalian heart is notoriously resistant to endogenous repair. Cardiac regeneration following pathologic challenge would require proliferation of surviving tissue, expansion and differentiation of resident progenitors, or transdifferentiation of exogenously applied progenitor cells into functioning myocardium. Adult cardiomyocyte proliferation has been the focus of investigation for decades, recently enjoying a renaissance of interest as a therapeutic strategy for reversing cardiomyocyte loss due in large part to ongoing controversies and frustrations with myocardial cell therapy outcomes. The promise of cardiac cell therapy originated with reports of resident adult cardiac stem cells that could be isolated, expanded and reintroduced into damaged myocardium, producing beneficial effects in preclinical animal models. Despite modest functional improvements, Phase I clinical trials using autologous cardiac derived cells have proven safe and effective, setting the stage for an ongoing multi-center Phase II trial combining autologous cardiac stem cell types to enhance beneficial effects. This overview will examine the history of these two approaches for promoting cardiac repair and attempt to provide context for current and future directions in cardiac regenerative research.
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Affiliation(s)
- Natalie A Gude
- SDSU Heart Institute and Biology Department, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182, USA
| | - Mark A Sussman
- SDSU Heart Institute and Biology Department, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182, USA.
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21
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Abstract
A great interest has developed over the last several years in research on interstitial Cajal-like cells (ICLCs), later renamed to telocytes (TCs). Such studies are restricted by diverse limitations. We aimed to critically review (sub)epicardial ICLCs/TCs and to bring forward supplemental immunohistochemical evidence on (sub)epicardial stromal niche inhabitants. We tested the epicardial expressions of CD117/c-kit, CD34, Cytokeratin 7 (CK7), Ki67, Platelet-Derived Growth Factor Receptor (PDGFR)-α and D2-40 in adult human cardiac samples. The mesothelial epicardial cells expressed D2-40, CK7, CD117/c-kit and PDGFR-α. Subepicardial D2-40-positive lymphatic vessels and isolated D2-40-positive and CK7-positive subepicardial cells were also found. Immediate submesothelial spindle-shaped cells expressed Ki-67. Submesothelial stromal cells and endothelial tubes were PDGFR-α-positive and CD34-positive. The expression of CD34 was pan-stromal, so a particular stromal cell type could not be distinguished. The stromal expression of CD117/c-kit was also noted. It seems that epicardial TCs could not be regarded as belonging to a unique cell type until (pre)lymphatic endothelial cells are inadequately excluded. Markers such as CD117/c-kit or CD34 seem to be improper for identifying TCs as a distinctive cell type. Care should be taken when using the immunohistochemical method and histological interpretations, as they may not produce accurate results.
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22
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Naderi N, Hemmatinafar M, Gaeini AA, Bahramian A, Ghardashi-Afousi A, Kordi MR, Darbandi-Azar A, Karimzade F, Mohebbi H, Barati M. High-intensity interval training increase GATA4, CITED4 and c-Kit and decreases C/EBPβ in rats after myocardial infarction. Life Sci 2019; 221:319-326. [PMID: 30802510 DOI: 10.1016/j.lfs.2019.02.045] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Revised: 01/24/2019] [Accepted: 02/21/2019] [Indexed: 01/16/2023]
Abstract
AIM Myocardial infarction (MI), an important cause of morbidity and mortality, can be followed by left ventricular dysfunction and cardiomyocyte loss. Cardiac repair mechanisms may subsequently improve left ventricular function. Exercise training has been suggested to have cardioprotective effects against MI damage, but detailed knowledge is lacking on the effects of different types and intensities of exercise training on molecular targets of cardiomyocyte regeneration. MAIN METHODS MI was induced in male Wistar rats by ligating the left anterior descending coronary artery. After MI induction, the rats were randomly assigned to one of five groups: sham operated, and experimental MI followed by no exercise, or low, moderate or high intensity exercise Cardiac function and infarct size were assessed by echocardiography and Evans blue/TTC staining, respectively. The expression of mRNA markers and proteins associated with myocardial regeneration was measured with RT-PCR and western blotting. KEY FINDINGS Exercise training at different intensities improved cardiac function and levels of stem cell and cardiomyocyte markers, and reduced infarct size. mRNA levels of GATA4, Nkx2.5 and c-Kit and protein expression of Nkx2.5 and c-Kit were significantly increased in all MI-exercise groups. The high-intensity exercise group had greater increases than the low and moderate intensity exercise groups. In the high-intensity exercise group, Sca-1 and CITED4 increased more than in the low-intensity exercise group. C/EBPβ mRNA and protein levels decreased after exercise training, with greater reductions in the high-intensity exercise group than the low- or moderate-intensity groups. SIGNIFICANCE The findings suggest that by targeting cardiogenesis, high-intensity training can exert cardioprotective effects against cardiac dysfunction in an experimental model of MI.
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Affiliation(s)
- Nasim Naderi
- Rajaie Cardiovascular Medical and Research Center, Fellowship in Heart Failure and Transplantation, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Mohammad Hemmatinafar
- Department of Sport Science, Faculty of Education and Psychology, Shiraz University, Shiraz, Islamic Republic of Iran.
| | - Abbas Ali Gaeini
- Department of Exercise Physiology, Faculty of Physical Education and Exercise Sciences, University of Tehran, Tehran, Islamic Republic of Iran
| | - Aida Bahramian
- Department of Exercise Physiology, Faculty of Physical Education and Exercise Sciences, University of Guilan, Rasht, Islamic Republic of Iran
| | - Alireza Ghardashi-Afousi
- Department of Exercise Physiology, Faculty of Physical Education and Exercise Sciences, University of Tehran, Tehran, Islamic Republic of Iran.
| | - Mohammad Reza Kordi
- Department of Exercise Physiology, Faculty of Physical Education and Exercise Sciences, University of Tehran, Tehran, Islamic Republic of Iran
| | - Amir Darbandi-Azar
- Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Fariba Karimzade
- Cellular and Molecular Research Center, Neuroscience, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran
| | - Hamid Mohebbi
- Department of Exercise Physiology, Faculty of Physical Education and Exercise Sciences, University of Guilan, Rasht, Islamic Republic of Iran
| | - Mahmood Barati
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Islamic Republic of Iran
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Exosome in Cardiovascular Diseases: A Complex World Full of Hope. Cells 2019; 8:cells8020166. [PMID: 30781555 PMCID: PMC6406975 DOI: 10.3390/cells8020166] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 02/11/2019] [Accepted: 02/16/2019] [Indexed: 12/26/2022] Open
Abstract
Exosomes are a subgroup of extracellular vesicles containing a huge number of bioactive molecules. They represent an important means of cell communication, mostly between different cell populations, with the purpose of maintaining tissue homeostasis and coordinating the adaptive response to stress. This type of intercellular communication is important in the cardiovascular field, mainly due to the fact that the heart is a complex multicellular system. Given the growing interest in the role of exosomes in cardiovascular diseases and the numerous studies published in the last few decades, we focused on the most relevant results about exosomes in the cardiovascular filed starting from their characterization, passing through the study of their function, and ending with perspectives for their use in cardiovascular therapies.
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24
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Adult Cardiac Stem Cell Aging: A Reversible Stochastic Phenomenon? OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:5813147. [PMID: 30881594 PMCID: PMC6383393 DOI: 10.1155/2019/5813147] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Accepted: 11/08/2018] [Indexed: 12/17/2022]
Abstract
Aging is by far the dominant risk factor for the development of cardiovascular diseases, whose prevalence dramatically increases with increasing age reaching epidemic proportions. In the elderly, pathologic cellular and molecular changes in cardiac tissue homeostasis and response to injury result in progressive deteriorations in the structure and function of the heart. Although the phenotypes of cardiac aging have been the subject of intense study, the recent discovery that cardiac homeostasis during mammalian lifespan is maintained and regulated by regenerative events associated with endogenous cardiac stem cell (CSC) activation has produced a crucial reconsideration of the biology of the adult and aged mammalian myocardium. The classical notion of the adult heart as a static organ, in terms of cell turnover and renewal, has now been replaced by a dynamic model in which cardiac cells continuously die and are then replaced by CSC progeny differentiation. However, CSCs are not immortal. They undergo cellular senescence characterized by increased ROS production and oxidative stress and loss of telomere/telomerase integrity in response to a variety of physiological and pathological demands with aging. Nevertheless, the old myocardium preserves an endogenous functionally competent CSC cohort which appears to be resistant to the senescent phenotype occurring with aging. The latter envisions the phenomenon of CSC ageing as a result of a stochastic and therefore reversible cell autonomous process. However, CSC aging could be a programmed cell cycle-dependent process, which affects all or most of the endogenous CSC population. The latter would infer that the loss of CSC regenerative capacity with aging is an inevitable phenomenon that cannot be rescued by stimulating their growth, which would only speed their progressive exhaustion. The resolution of these two biological views will be crucial to design and develop effective CSC-based interventions to counteract cardiac aging not only improving health span of the elderly but also extending lifespan by delaying cardiovascular disease-related deaths.
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25
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Malandraki-Miller S, Lopez CA, Al-Siddiqi H, Carr CA. Changing Metabolism in Differentiating Cardiac Progenitor Cells-Can Stem Cells Become Metabolically Flexible Cardiomyocytes? Front Cardiovasc Med 2018; 5:119. [PMID: 30283788 PMCID: PMC6157401 DOI: 10.3389/fcvm.2018.00119] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 08/10/2018] [Indexed: 12/15/2022] Open
Abstract
The heart is a metabolic omnivore and the adult heart selects the substrate best suited for each circumstance, with fatty acid oxidation preferred in order to fulfill the high energy demand of the contracting myocardium. The fetal heart exists in an hypoxic environment and obtains the bulk of its energy via glycolysis. After birth, the "fetal switch" to oxidative metabolism of glucose and fatty acids has been linked to the loss of the regenerative phenotype. Various stem cell types have been used in differentiation studies, but most are cultured in high glucose media. This does not change in the majority of cardiac differentiation protocols. Despite the fact that metabolic state affects marker expression and cellular function and activity, the substrate composition is currently being overlooked. In this review we discuss changes in cardiac metabolism during development, the various protocols used to differentiate progenitor cells to cardiomyocytes, what is known about stem cell metabolism and how consideration of metabolism can contribute toward maturation of stem cell-derived cardiomyocytes.
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Affiliation(s)
| | | | | | - Carolyn A. Carr
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, United Kingdom
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26
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Insights from molecular signature of in vivo cardiac c-Kit(+) cells following cardiac injury and β-catenin inhibition. J Mol Cell Cardiol 2018; 123:64-74. [PMID: 30171847 DOI: 10.1016/j.yjmcc.2018.08.024] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 08/03/2018] [Accepted: 08/28/2018] [Indexed: 01/26/2023]
Abstract
There is much interest over resident c-Kit(+) cells in tissue regeneration. Their role in cardiac regeneration has been controversial. In this study we aim to understand the in vivo behavior of cardiac c-Kit(+) cells at baseline and after myocardial infarction and in response to Sfrp2. This approach can accurately study the in vivo transcript expressions of these cells in temporal response to injury and overcomes the limitations of the in vitro approach. RNA-seq was performed with c-Kit(+) cells and cardiomyocytes from healthy non-injured mice as well as c-Kit(+) cells from 1 day post-MI and 12 days post-MI mice. When compared to in vivo c-Kit(+) cells isolated from a healthy non-injured mouse heart, cardiomyocytes were enriched in transcripts that express anion channels, cation channels, developmental/differentiation pathway components, as well as proteins that inhibit canonical Wnt/β-catenin signaling. Myocardial infarction (MI) induced in vivo c-Kit(+) cells to transiently adopt the cardiomyocyte-specific signature: expression of a number of cardiomyocyte-specific transcripts was maximal 1 day post-MI and declined by 12 days post-MI. We next studied the effect of β-catenin inhibition on in vivo c-Kit(+) cells by administering the Wnt inhibitor Sfrp2 into the infarct border zone. Sfrp2 both enhanced and sustained cardiomyocyte-specific gene expression in the in vivo c-Kit(+) cells: expression of cardiomyocyte-specific transcripts was higher and there was no decline in expression by 12 days post-MI. Further analysis of the biology of c-Kit(+) cells identified that culture induced a significant and irreversible change in their molecular signature raising questions about reliability of in vitro studies. Our findings provide evidence that MI induces in vivo c-Kit(+) cells to adopt transiently a cardiomyocyte-specific pattern of gene expression, and Sfrp2 further enhances and induces sustained gene expression. Our approach is important for understanding c-Kit(+) cells in cardiac regeneration and also has broad implications in the investigation of in vivo resident stem cells in other areas of tissue regeneration.
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27
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Docshin PM, Karpov AA, Eyvazova SD, Puzanov MV, Kostareva AA, Galagudza MM, Malashicheva AB. Activation of Cardiac Stem Cells in Myocardial Infarction. ACTA ACUST UNITED AC 2018. [DOI: 10.1134/s1990519x18030045] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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28
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Preparation of high bioactivity multilayered bone-marrow mesenchymal stem cell sheets for myocardial infarction using a 3D-dynamic system. Acta Biomater 2018; 72:182-195. [PMID: 29627677 DOI: 10.1016/j.actbio.2018.03.052] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 03/13/2018] [Accepted: 03/29/2018] [Indexed: 02/06/2023]
Abstract
Cell sheet techniques offer a promising future for myocardial infarction (MI) therapy; however, insufficient nutrition supply remains the major limitation in maintaining stem cell bioactivity in vitro. In order to enhance cell sheet mechanical strength and bioactivity, a decellularized porcine pericardium (DPP) scaffold was prepared by the phospholipase A2 method, and aspartic acid was used as a spacer arm to improve the vascular endothelial growth factor crosslink efficiency on the DPP scaffold. Based on this scaffold, multilayered bone marrow mesenchymal stem cell sheets were rapidly constructed, using RAD16-I peptide hydrogel as a temporary 3D scaffold, and cell sheets were cultured in either the 3D-dynamic system (DCcs) or the traditional static condition (SCcs). The multilayered structure, stem cell bioactivity, and ultrastructure of DCcs and SCcs were assessed. The DCcs exhibited lower apoptosis, lower differentiation, and an improved paracrine effect after a 48 h culture in vitro compared to the SCcs. Four groups were set to evaluate the cell sheet effect in rat MI model: sham group, MI control group, DCcs group, and SCcs group. The DCcs group improved cardiac function and decreased the infarcted area compared to the MI control group, while no significant improvements were observed in the SCcs group. Improved cell survival, angiogenesis, and Sca-1+ cell and c-kit+ cell amounts were observed in the DCcs group. In conclusion, the DCcs maintained higher stem cell bioactivity by using the 3D-dynamic system to provide sufficient nutrition, and transplanting DCcs significantly improved the cardiac function and angiogenesis. STATEMENT OF SIGNIFICANCE This study provides an efficient method to prepare vascular endothelial growth factor covalent decellularized pericardium scaffold with aspartic acid, and a multilayered bone marrow mesenchymal stem cell (BMSC) sheet is constructed on it using a 3D-dynamic system. The dynamic nutrition supply showed a significant benefit on BMSC bioactivity in vitro, including decreasing cell apoptosis, reducing stem cell differentiation, and improving growth factor secretion. These favorable bioactivity improved BMSC survival, angiogenesis, and cardiac function of the infarcted myocardium. The study highlights the importance of dynamic nutrition supply on maintaining stem cell bioactivity within cell sheet, and it stresses the necessity and significance of setting a standard for assessing cell sheet products before transplantation in the future application.
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29
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Kandaswamy E, Zuo L. Recent Advances in Treatment of Coronary Artery Disease: Role of Science and Technology. Int J Mol Sci 2018; 19:ijms19020424. [PMID: 29385089 PMCID: PMC5855646 DOI: 10.3390/ijms19020424] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 01/06/2018] [Accepted: 01/15/2018] [Indexed: 12/11/2022] Open
Abstract
Coronary artery disease (CAD) is one of the most common causes of death worldwide. In the last decade, significant advancements in CAD treatment have been made. The existing treatment is medical, surgical or a combination of both depending on the extent, severity and clinical presentation of CAD. The collaboration between different science disciplines such as biotechnology and tissue engineering has led to the development of novel therapeutic strategies such as stem cells, nanotechnology, robotic surgery and other advancements (3-D printing and drugs). These treatment modalities show promising effects in managing CAD and associated conditions. Research on stem cells focuses on studying the potential for cardiac regeneration, while nanotechnology research investigates nano-drug delivery and percutaneous coronary interventions including stent modifications and coatings. This article aims to provide an update on the literature (in vitro, translational, animal and clinical) related to these novel strategies and to elucidate the rationale behind their potential treatment of CAD. Through the extensive and continued efforts of researchers and clinicians worldwide, these novel strategies hold the promise to be effective alternatives to existing treatment modalities.
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Affiliation(s)
- Eswar Kandaswamy
- Radiologic Sciences and Respiratory Therapy Division, School of Health and Rehabilitation Sciences, The Ohio State University College of Medicine, Columbus, OH 43210, USA.
| | - Li Zuo
- Radiologic Sciences and Respiratory Therapy Division, School of Health and Rehabilitation Sciences, The Ohio State University College of Medicine, Columbus, OH 43210, USA.
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30
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Vogiatzi G, Briasoulis A, Tsalamandris S, Tousoulis D. Stem-Cell Therapy. Coron Artery Dis 2018. [DOI: 10.1016/b978-0-12-811908-2.00016-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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31
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Ling L, Gu S, Cheng Y, Ding L. bFGF promotes Sca‑1+ cardiac stem cell migration through activation of the PI3K/Akt pathway. Mol Med Rep 2017; 17:2349-2356. [PMID: 29207135 PMCID: PMC5783475 DOI: 10.3892/mmr.2017.8178] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Accepted: 11/21/2016] [Indexed: 01/19/2023] Open
Abstract
Cardiac stem cells (CSCs) are important for improving cardiac function following myocardial infarction, with CSC migration to infarcted or ischemic myocardium important for cardiac regeneration. Strategies to improve cell migration may improve the efficiency of myocardial regeneration. Basic fibroblast growth factor (bFGF) is an essential molecule in cell migration, but the endogenous bFGF level is too low to be effective. The effect of exogenously delivered bFGF on CSC migration was observed in vitro and in vivo in the present study. The CSC migration index in response to various bFGF concentrations was demonstrated in vitro. In addition, a murine myocardial infarction model was constructed and bFGF protein expression levels and CSC aggregation following myocardial infarction were observed. To study cell migration in vivo, CM-Dil-labeled CSCs or bFGF-CSCs were injected into the peri-infarct myocardium following myocardium infarction and cell migration and maintenance in the peri-infarct/infarct area was observed 1 week later. Protein expression levels of bFGF, CXCR-4 and SDF-1 were assessed, as was myocardium capillary density. The Akt inhibitor deguelin was used to assess the role of the PI3K/Akt pathway in vitro and in vivo. The present study demonstrated that bFGF-promoted Sca-1+ CSC migration, with the highest migration rate occurring at a concentration of 45 ng/ml. The PI3K/Akt pathway inhibitor deguelin attenuated this increase. The phospho-Akt/Akt ratio was elevated significantly after 30 min of bFGF exposure. Transplantation of bFGF-treated Sca-1+ CSCs led to improved cell maintenance in the peri-infarct area and increased cell migration to the infarct area, as well as improved angiogenesis. Protein expression levels of bFGF, CXCR-4 and SDF-1 were upregulated, and this upregulation was partially attenuated by deguelin. Therefore, bFGF was demonstrated to promote Sca-1+ CSC migration both in vitro and in vivo, partially through activation of the PI3K/Akt pathway. This may provide a new method for facilitating CSC therapy for myocardium repair after myocardium injury.
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Affiliation(s)
- Lin Ling
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Shaohua Gu
- Department of Nephrology, The Third People's Hospital of Kunshan, Kunshan, Jiangsu 215300, P.R. China
| | - Yan Cheng
- Department of Cardiology, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, Jiangsu 214000, P.R. China
| | - Liucheng Ding
- Department of Urology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210000, P.R. China
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32
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Barile L, Milano G, Vassalli G. Beneficial effects of exosomes secreted by cardiac-derived progenitor cells and other cell types in myocardial ischemia. Stem Cell Investig 2017; 4:93. [PMID: 29270419 DOI: 10.21037/sci.2017.11.06] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Accepted: 11/01/2017] [Indexed: 12/15/2022]
Abstract
When injected into acutely infarcted rodent or pig hearts, naturally secreted nanovesicles known as exosomes from cardiac-derived progenitor cells (CPCs) reduce scar size and improve cardiac function. In this regard, exosomes fully mimic the benefits of injecting their parent cells. This recognition paves the way to the development of exosome-based, cell-free treatments for heart disease that could possibly supplant cell-based therapies. Mechanisms of benefit of these vesicles are incompletely understood but cytoprotection, stimulation of angiogenesis, induction of antifibrotic cardiac fibroblasts, and modulation of M1/M2 polarization of macrophages infiltrating the infarcted region can all play important roles. Accordingly, the beneficial molecules carried by CPC-secreted exosomes have been identified only in part but cytoprotective and proangiogenic microRNAs (miRNA) and proteins have been described. Besides CPC-secreted exosomes, vesicles released from other cell types including mesenchymal stem cells (MSCs), embryonic stem cells (ESCs), and induced pluripotent stem cells (iSPCs) have also been associated with cardioprotection. This review aims to discuss recent advances in our understanding of the role of secreted vesicles in cardiac repair, with a focus on CPC-derived exosomes.
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Affiliation(s)
- Lucio Barile
- Laboratory of Cellular and Molecular Cardiology, Swiss Institute for Regenerative Medicine (SIRM) and Cardiocentro Ticino Foundation, Lugano, Switzerland
| | - Giuseppina Milano
- Laboratory of Cellular and Molecular Cardiology, Swiss Institute for Regenerative Medicine (SIRM) and Cardiocentro Ticino Foundation, Lugano, Switzerland.,Heart and Vessel Department, CHUV University of Lausanne Medical Center, Lausanne, Switzerland
| | - Giuseppe Vassalli
- Laboratory of Cellular and Molecular Cardiology, Swiss Institute for Regenerative Medicine (SIRM) and Cardiocentro Ticino Foundation, Lugano, Switzerland.,Heart and Vessel Department, CHUV University of Lausanne Medical Center, Lausanne, Switzerland.,Center for Molecular Cardiology, University of Zürich, Zürich, Switzerland
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33
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Prathipati P, Nandi SS, Mishra PK. Stem Cell-Derived Exosomes, Autophagy, Extracellular Matrix Turnover, and miRNAs in Cardiac Regeneration during Stem Cell Therapy. Stem Cell Rev Rep 2017; 13:79-91. [PMID: 27807762 DOI: 10.1007/s12015-016-9696-y] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Stem cell therapy (SCT) raises the hope for cardiac regeneration in ischemic hearts. However, underlying molecular mechanisms for repair of dead myocardium by SCT in the ischemic heart is poorly understood. Growing evidences suggest that cardiac matrix stiffness and differential expressions of miRNAs play a crucial role in stem cell survival and differentiation. However, their roles on transplanted stem cells, for myocardial repair of the ischemic heart, remain unclear. Transplanted stem cells may act in an autocrine and/or paracrine manner to regenerate the dead myocardium. Paracrine mediators such as stem cell-derived exosomes are emerging as a novel therapeutic strategy to overcome some of the limitations of SCT. These exosomes carry microRNAs (miRNAs) that may regulate stem cell differentiation into a specific lineage. MicroRNAs may also contribute to stiffness of surrounding matrix by regulating extracellular matrix (ECM) turnover. The survival of transplanted stem cell depends on its autophagic process that maintains cellular homeostasis. Therefore, exosomes, miRNAs, extracellular matrix turnover, and autophagy may have an integral role in improving the efficacy of SCT. This review elaborates the specific roles of these regulatory components on cardiac regeneration in the ischemic heart during SCT.
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Affiliation(s)
- Priyanka Prathipati
- Department of Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Shyam Sundar Nandi
- Department of Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, NE, 68198, USA
| | - Paras Kumar Mishra
- Department of Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
- Department of Anesthesiology, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
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34
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Ahmed N, Khan I, Begum S, Salim A. Effect of 2,4-Dinitrophenol preconditioning on the expression levels of mesenchymal markers in neonatal cardiac progenitors. Hellenic J Cardiol 2017; 58:98-102. [PMID: 28163152 DOI: 10.1016/j.hjc.2017.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 09/21/2015] [Indexed: 11/26/2022] Open
Affiliation(s)
- Nazia Ahmed
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Irfan Khan
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Sumreen Begum
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Asmat Salim
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan.
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Omatsu-Kanbe M, Nozuchi N, Nishino Y, Mukaisho KI, Sugihara H, Matsuura H. Identification of cardiac progenitors that survive in the ischemic human heart after ventricular myocyte death. Sci Rep 2017; 7:41318. [PMID: 28120944 PMCID: PMC5264617 DOI: 10.1038/srep41318] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 12/19/2016] [Indexed: 12/21/2022] Open
Abstract
Atypically-shaped cardiomyocytes (ACMs) are beating heart cells identified in the cultures of cardiomyocyte-removed fractions obtained from adult mouse hearts. Since ACMs spontaneously develop into beating cells in the absence of hormones or chemicals, these cells are likely to be a type of cardiac progenitors rather than stem cells. “Native ACMs” are found as small interstitial cells among ventricular myocytes that co-express cellular prion protein (PrP) and cardiac troponin T (cTnT) in mouse and human heart tissues. However, the endogenous behavior of human ACMs is unclear. In the present study, we demonstrate that PrP+ cTnT+ cells are present in the human heart tissue with myocardial infarction (MI). These cells were mainly found in the border of necrotic cardiomyocytes caused by infarcts and also in the hibernating myocardium subjected to the chronic ischemia. The ratio of PrP+ cTnT+ cells to the total cells observed in the normal heart tissue section of mouse and human was estimated to range from 0.3–0.8%. Notably, living human PrP+ cTnT+ cells were identified in the cultures obtained at pathological autopsy despite exposure to lethal ischemic conditions for hours after death. These findings suggest that ACMs could survive in the ischemic human heart and develop into a sub-population of cardiac myocytes.
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Affiliation(s)
- Mariko Omatsu-Kanbe
- Department of Physiology, Shiga University of Medical Science, Otsu, Shiga, 520-2192, Japan
| | - Nozomi Nozuchi
- Department of Physiology, Shiga University of Medical Science, Otsu, Shiga, 520-2192, Japan
| | - Yuka Nishino
- Department of Physiology, Shiga University of Medical Science, Otsu, Shiga, 520-2192, Japan
| | - Ken-Ichi Mukaisho
- Department of Pathology, Shiga University of Medical Science, Otsu, Shiga, 520-2192, Japan
| | - Hiroyuki Sugihara
- Department of Pathology, Shiga University of Medical Science, Otsu, Shiga, 520-2192, Japan
| | - Hiroshi Matsuura
- Department of Physiology, Shiga University of Medical Science, Otsu, Shiga, 520-2192, Japan
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Cencioni C, Atlante S, Savoia M, Martelli F, Farsetti A, Capogrossi MC, Zeiher AM, Gaetano C, Spallotta F. The double life of cardiac mesenchymal cells: Epimetabolic sensors and therapeutic assets for heart regeneration. Pharmacol Ther 2016; 171:43-55. [PMID: 27742569 DOI: 10.1016/j.pharmthera.2016.10.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Organ-specific mesenchymal cells naturally reside in the stroma, where they are exposed to some environmental variables affecting their biology and functions. Risk factors such as diabetes or aging influence their adaptive response. In these cases, permanent epigenetic modifications may be introduced in the cells with important consequences on their local homeostatic activity and therapeutic potential. Numerous results suggest that mesenchymal cells, virtually present in every organ, may contribute to tissue regeneration mostly by paracrine mechanisms. Intriguingly, the heart is emerging as a source of different cells, including pericytes, cardiac progenitors, and cardiac fibroblasts. According to phenotypic, functional, and molecular criteria, these should be classified as mesenchymal cells. Not surprisingly, in recent years, the attention on these cells as therapeutic tools has grown exponentially, although only very preliminary data have been obtained in clinical trials to date. In this review, we summarized the state of the art about the phenotypic features, functions, regenerative properties, and clinical applicability of mesenchymal cells, with a particular focus on those of cardiac origin.
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Affiliation(s)
- Chiara Cencioni
- Division of Cardiovascular Epigenetics, Department of Cardiology, Goethe University, Frankfurt am Main 60596, Germany; Internal Medicine Clinic III, Department of Cardiology, Goethe University, Frankfurt am Main 60596, Germany.
| | - Sandra Atlante
- Division of Cardiovascular Epigenetics, Department of Cardiology, Goethe University, Frankfurt am Main 60596, Germany; Internal Medicine Clinic III, Department of Cardiology, Goethe University, Frankfurt am Main 60596, Germany.
| | - Matteo Savoia
- Division of Cardiovascular Epigenetics, Department of Cardiology, Goethe University, Frankfurt am Main 60596, Germany; Universitá Cattolica, Institute of Medical Pathology, 00138 Rome, Italy; Internal Medicine Clinic III, Department of Cardiology, Goethe University, Frankfurt am Main 60596, Germany.
| | - Fabio Martelli
- Molecular Cardiology Laboratory, IRCCS-Policlinico San Donato, San Donato Milanese, Milan 20097, Italy.
| | - Antonella Farsetti
- Consiglio Nazionale delle Ricerche, Istituto di Biologia Cellulare e Neurobiologia, Roma, Italy; Internal Medicine Clinic III, Department of Cardiology, Goethe University, Frankfurt am Main 60596, Germany.
| | - Maurizio C Capogrossi
- Laboratorio di Patologia Vascolare, Istituto Dermopatico dell'Immacolata, Roma, Italy.
| | - Andreas M Zeiher
- Internal Medicine Clinic III, Department of Cardiology, Goethe University, Frankfurt am Main 60596, Germany.
| | - Carlo Gaetano
- Division of Cardiovascular Epigenetics, Department of Cardiology, Goethe University, Frankfurt am Main 60596, Germany; Internal Medicine Clinic III, Department of Cardiology, Goethe University, Frankfurt am Main 60596, Germany.
| | - Francesco Spallotta
- Division of Cardiovascular Epigenetics, Department of Cardiology, Goethe University, Frankfurt am Main 60596, Germany; Internal Medicine Clinic III, Department of Cardiology, Goethe University, Frankfurt am Main 60596, Germany.
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Cardiac stem cell transplantation with 2,3,5,4′-tetrahydroxystilbehe-2-O-β-d-glucoside improves cardiac function in rat myocardial infarction model. Life Sci 2016; 158:37-45. [DOI: 10.1016/j.lfs.2016.06.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 06/06/2016] [Accepted: 06/09/2016] [Indexed: 01/01/2023]
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Li W, Liu H, Liu P, Yin D, Zhang S, Zhao J. Sphingosylphosphorylcholine promotes the differentiation of resident Sca-1 positive cardiac stem cells to cardiomyocytes through lipid raft/JNK/STAT3 and β-catenin signaling pathways. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2016; 1863:1579-88. [DOI: 10.1016/j.bbamcr.2016.04.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 03/24/2016] [Accepted: 04/07/2016] [Indexed: 12/12/2022]
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Hatzistergos KE, Hare JM. Murine Models Demonstrate Distinct Vasculogenic and Cardiomyogenic cKit+ Lineages in the Heart. Circ Res 2016; 118:382-7. [PMID: 26846638 DOI: 10.1161/circresaha.115.308061] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
After 2 recent genetic studies in mice addressing the developmental origins and regenerative activity of cardiac cKit+ cells, 2 additional reports by Sultana et al and Liu et al provide further information on the expression of cKit in the embryonic and adult hearts. Here, we synthesize the findings from the 4 distinct cKit models to gain insights into the biology of this important cell type.
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Affiliation(s)
- Konstantinos E Hatzistergos
- From the Interdisciplinary Stem Cell Institute (K.E.H.), and Department of Medicine, Division of Cardiology and Department of Molecular and Cellular Pharmacology (J.M.H.), Leonard M. Miller School of Medicine, University of Miami, FL
| | - Joshua M Hare
- From the Interdisciplinary Stem Cell Institute (K.E.H.), and Department of Medicine, Division of Cardiology and Department of Molecular and Cellular Pharmacology (J.M.H.), Leonard M. Miller School of Medicine, University of Miami, FL.
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Microtissues in Cardiovascular Medicine: Regenerative Potential Based on a 3D Microenvironment. Stem Cells Int 2016; 2016:9098523. [PMID: 27073399 PMCID: PMC4814701 DOI: 10.1155/2016/9098523] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Revised: 02/01/2016] [Accepted: 02/21/2016] [Indexed: 02/06/2023] Open
Abstract
More people die annually from cardiovascular diseases than from any other cause. In particular, patients who suffer from myocardial infarction may be affected by ongoing adverse remodeling processes of the heart that may ultimately lead to heart failure. The introduction of stem and progenitor cell-based applications has raised substantial hope for reversing these processes and inducing cardiac regeneration. However, current stem cell therapies using single-cell suspensions have failed to demonstrate long-lasting efficacy due to the overall low retention rate after cell delivery to the myocardium. To overcome this obstacle, the concept of 3D cell culture techniques has been proposed to enhance therapeutic efficacy and cell engraftment based on the simulation of an in vivo-like microenvironment. Of great interest is the use of so-called microtissues or spheroids, which have evolved from their traditional role as in vitro models to their novel role as therapeutic agents. This review will provide an overview of the therapeutic potential of microtissues by addressing primarily cardiovascular regeneration. It will accentuate their advantages compared to other regenerative approaches and summarize the methods for generating clinically applicable microtissues. In addition, this review will illustrate the unique properties of the microenvironment within microtissues that makes them a promising next-generation therapeutic approach.
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Zhang NK, Cao Y, Zhu ZM, Zheng N, Wang L, Xu XH, Gao LR. Activation of Endogenous Cardiac Stem Cells by Apelin-13 in Infarcted Rat Heart. Cell Transplant 2016; 25:1645-1652. [PMID: 26924778 DOI: 10.3727/096368916x691123] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Our previous study demonstrated that the apelin-APJ pathway contributed to myocardial regeneration and functional recovery after bone marrow-derived mesenchymal stem cell (BM-MSC) transplantation during the differentiation of BM-MSCs into cardiomyogenic cells in acute myocardial infarction (AMI) rat models. However, the underlying mechanisms by which apelin promotes cardiac repair and functional recovery have not been completely clarified. In the present study, we investigated whether apelin could mobilize and activate endogenous cardiac stem cells and progenitors, thereby mediating regeneration and repair of the myocardium after AMI in rat models. Six-week-old male Sprague-Dawley rats underwent AMI and received apelin-13 (200 ng, n = 10) or an equivalent volume of saline by intramyocardial injection (n = 10); there was also a sham operation group (n = 8). Proliferation of endogenous cardiac stem cells was analyzed by immunofluorescence staining in rat infarcted myocardium, and heart function was evaluated by echocardiography at 28 days after apelin-13 injection. Treatment with apelin-13 led to a significant increase of Ki-67+-c-kit+/Sca-1+/Flk-1+ endogenous cardiac stem or progenitor cells in the border zone and infarct zone of rat hearts at 28 days after myocardial infarction (MI). Significant increases in the expression of c-kit, Sca-1, and Flk-1 on both levels of transcription and translation were confirmed by real-time polymerase chain reaction (RT-PCR) and Western blot. Treatment of apelin-13 also resulted in a significant reduction of infarct size and improvement of cardiac function post-MI. We conclude that apelin-13 is able to enhance mobilization, survival, and proliferation of endogenous myocardial stem cells in the injured heart, providing a novel mechanistic explanation for how apelin-13 might repair the heart and improve cardiac function. Thus, apelin-13 or pharmacological agonists of the APJ receptor could act as novel therapies for heart regeneration.
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Affiliation(s)
- Ning Kun Zhang
- Center of Cardiology, Navy General Hospital, Beijing, China
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Vahdat S, Mousavi SA, Omrani G, Gholampour M, Sotoodehnejadnematalahi F, Ghazizadeh Z, Gharechahi J, Baharvand H, Salekdeh GH, Aghdami N. Cellular and molecular characterization of human cardiac stem cells reveals key features essential for their function and safety. Stem Cells Dev 2016; 24:1390-404. [PMID: 25867933 DOI: 10.1089/scd.2014.0222] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Cell therapy of heart diseases is emerging as one of the most promising known treatments in recent years. Transplantation of cardiac stem cells (CSCs) may be one of the best strategies to cure adult or pediatric heart diseases. As these patient-derived stem cells need to be isolated from small heart biopsies, it is important to select the best isolation method and CSC subpopulation with the best cardiogenic functionality. We employed three different protocols including c-KIT(+) cell sorting, clonogenic expansion, and explants culture to isolate c-KIT(+) cells, clonogenic expansion-derived cells (CEDCs), and cardiosphere-derived cells (CDCs), respectively. Evaluation of isolated CSC characteristics in vitro and after rat myocardial infarction (MI) model transplantation revealed that although c-KIT(+) and CDCs had higher MI regenerative potential, CEDCs had more commitment into cardiomyocytes and needed lower passages that were essential to reach a definite cell count. Furthermore, genome-wide expression analysis showed that subsequent passages caused changes in characteristics of cells, downregulation of cell cycle-related genes, and upregulation of differentiation and carcinogenic genes, which might lead to senescence, commitment, and possible tumorigenicity of the cells. Because of different properties of CSC subpopulations, we suggest that appropriate CSCs subpopulation should be chosen based on their experimental or clinical use.
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Affiliation(s)
- Sadaf Vahdat
- 1Department of Stem Cells and Developmental Biology at Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.,2Department of Biotechnology, College of Science, University of Tehran, Tehran, Iran
| | - Seyed Ahmad Mousavi
- 3Department of Molecular Systems Biology at Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Gholamreza Omrani
- 4Department of Cardiac Surgery, Rajaei Cardiovascular Medical Research Center, Tehran University of Medical Science, Tehran, Iran
| | - Maziar Gholampour
- 4Department of Cardiac Surgery, Rajaei Cardiovascular Medical Research Center, Tehran University of Medical Science, Tehran, Iran
| | - Fattah Sotoodehnejadnematalahi
- 1Department of Stem Cells and Developmental Biology at Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Zaniar Ghazizadeh
- 1Department of Stem Cells and Developmental Biology at Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Javad Gharechahi
- 3Department of Molecular Systems Biology at Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Hossein Baharvand
- 1Department of Stem Cells and Developmental Biology at Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.,5Department of Developmental Biology, University of Science and Culture, ACECR, Tehran, Iran
| | - Ghasem Hosseini Salekdeh
- 3Department of Molecular Systems Biology at Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.,6Department of Systems Biology, Agricultural Biotechnology Research Institute of Iran, Karaj, Iran
| | - Nasser Aghdami
- 1Department of Stem Cells and Developmental Biology at Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.,7Department of Regenerative Biomedicine at Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
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Chistiakov DA, Orekhov AN, Bobryshev YV. Cardiac Extracellular Vesicles in Normal and Infarcted Heart. Int J Mol Sci 2016; 17:ijms17010063. [PMID: 26742038 PMCID: PMC4730308 DOI: 10.3390/ijms17010063] [Citation(s) in RCA: 120] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 12/10/2015] [Accepted: 12/18/2015] [Indexed: 02/06/2023] Open
Abstract
Heart is a complex assembly of many cell types constituting myocardium, endocardium and epicardium that intensively communicate to each other in order to maintain the proper cardiac function. There are many types of intercellular intracardiac signals, with a prominent role of extracellular vesicles (EVs), such as exosomes and microvesicles, for long-distant delivering of complex messages. Cardiomyocytes release EVs, whose content could significantly vary depending on the stimulus. In stress, such as hypoxia, inflammation or injury, cardiomyocytes increase secretion of EVs. In hypoxic conditions, cardiac EVs are enriched with angiogenic and prosurvival factors. In acute myocardial infarction (AMI), damaged cardiac muscle cells produce EVs with increased content of angiogenic, anti-apoptotic, mitogenic and growth factors in order to induce repair and healing of the infarcted myocardium. Exosomal microRNAs play a central role in cardiac regeneration. In AMI, circulating cardiac EVs abundantly contain cardiac-specific miRNAs that serve as indicators of cardiac damage and have a big diagnostic potential as AMI biomarkers. Cardioprotective and regenerative properties of exosomes derived from cardiac and non-cardiac stem/progenitor cells are very helpful to be used in cell-free cardiotherapy and regeneration of post-infarct myocardium.
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Affiliation(s)
- Dimitry A Chistiakov
- Department of Molecular Genetic Diagnostics and Cell Biology, Division of Laboratory Medicine, Institute of Pediatrics, Research Center for Children's Health, 119991 Moscow, Russia.
| | - Alexander N Orekhov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, 125315 Moscow, Russia.
- Institute for Atherosclerosis Research, Skolkovo Innovative Center, 143025 Moscow, Russia.
- Department of Biophysics, Biological Faculty, Moscow State University, 119991 Moscow, Russia.
| | - Yuri V Bobryshev
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, Russian Academy of Medical Sciences, 125315 Moscow, Russia.
- Faculty of Medicine, School of Medical Sciences, University of New South Wales, Sydney, NSW 2052, Australia.
- School of Medicine, University of Western Sydney, Campbelltown, NSW 2560, Australia.
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Mesenchymal Stromal Cells and Tissue-Specific Progenitor Cells: Their Role in Tissue Homeostasis. Stem Cells Int 2015; 2016:4285215. [PMID: 26823669 PMCID: PMC4707334 DOI: 10.1155/2016/4285215] [Citation(s) in RCA: 107] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Accepted: 09/15/2015] [Indexed: 02/07/2023] Open
Abstract
Multipotent mesenchymal stromal/stem cells (MSCs) reside in many human organs and comprise heterogeneous population of cells with self-renewal ability. These cells can be isolated from different tissues, and their morphology, immunophenotype, and differentiation potential are dependent on their tissue of origin. Each organ contains specific population of stromal cells which maintain regeneration process of the tissue where they reside, but some of them have much more wide plasticity and differentiate into multiple cells lineage. MSCs isolated from adult human tissues are ideal candidates for tissue regeneration and tissue engineering. However, MSCs do not only contribute to structurally tissue repair but also MSC possess strong immunomodulatory and anti-inflammatory properties and may influence in tissue repair by modulation of local environment. This paper is presenting an overview of the current knowledge of biology of tissue-resident mesenchymal stromal and progenitor cells (originated from bone marrow, liver, skeletal muscle, skin, heart, and lung) associated with tissue regeneration and tissue homeostasis.
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45
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Zhao YT, Du J, Chen Y, Tang Y, Qin G, Lv G, Zhuang S, Zhao TC. Inhibition of Oct 3/4 mitigates the cardiac progenitor-derived myocardial repair in infarcted myocardium. Stem Cell Res Ther 2015; 6:259. [PMID: 26704423 PMCID: PMC4690244 DOI: 10.1186/s13287-015-0252-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2015] [Revised: 10/26/2015] [Accepted: 12/01/2015] [Indexed: 01/09/2023] Open
Abstract
Background Recent evidence has demonstrated that cardiac progenitor cells play an essential role in the induction of angiomyogenesis in infarcted myocardium. We and others have shown that engraftment of c-kit+ cardiac stem cells (CSCs) into infarcted hearts led to myocardium regeneration and neovascularization, which was associated with an improvement of ventricular function. The purpose of this study is aimed at investigating the functional role of transcription factor (TF) Oct3/4 in facilitating CSCs to promote myocardium regeneration and preserve cardiac performance in the post-MI heart. Methods c-kit+ CSCs were isolated from adult hearts and re-introduced into the infarcted myocardium in which the mouse MI model was created by permanent ligation of the left anterior descending artery (LAD). The Oct3/4 of CSCs was inhibited by transfection of Oct3/4 siRNA, and transfection of CSCs with control siRNA serves as control groups. Myocardial functions were evaluated by echocardiographic measurement. Histological analysis was employed to assess newly formed cardiogenesis, neovascularization, and cell proliferations. Terminal deoxynucleotidyltransferase (TdT) nick-end labeling (TUNEL) was carried out to assess apoptotic cardiomyocytes. Real time polymerase chain reaction and Western blot were carried out to evaluate the level of Oct 3/4 in CSCs. Results Two weeks after engraftment, CSCs increased ventricular functional recovery as shown by a serial echocardiographic measurement, which is concomitant with the suppression of cardiac hypertrophy and attenuation of myocardial interstitial fibrosis. Suppression of Oct 3/4 of CSCs abrogated functional improvements and mitigated the hypertrophic response and cardiac remodeling. Transplantation of c-kit+ CSCs into MI hearts promoted cardiac regeneration and neovascularization, which were abolished with the knockdown of Oct3/4. Additionally, suppression of Oct3/4 abrogated myocyte proliferation in the CSC-engrafted myocardium. Conclusion Our results indicate that CSCs-derived cardiac regeneration improves the restoration of cardiac function and is mediated through Oct 3/4. Electronic supplementary material The online version of this article (doi:10.1186/s13287-015-0252-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yu Tina Zhao
- Department of Surgery, Roger Williams Medical Center, Boston University Medical School, 50 Maude Street, Providence, RI, 02908, USA.
| | - Jianfeng Du
- Department of Surgery, Roger Williams Medical Center, Boston University Medical School, 50 Maude Street, Providence, RI, 02908, USA.
| | - Youfang Chen
- Department of Surgery, Roger Williams Medical Center, Boston University Medical School, 50 Maude Street, Providence, RI, 02908, USA.
| | - Yaoliang Tang
- Department of Medicine, Vascular Biology Center, Medical College of Georgia/Georgia Regents University, 1120 15th Street, Augusta, 30912, GA, USA.
| | - Gangjian Qin
- c, Northwestern University Feinberg School of Medicine, 303 East Chicago Avenue, Tarry 14-725, Chicago, 60611, IL, USA.
| | - Guorong Lv
- Department of Ultrasound, Second Affiliated Hospital of Fujian Medical University, 40 Zhongshan N Road, Licheng, Quanzhou, Fujian, China.
| | - Shougang Zhuang
- Department of Medicine, Rhode Island Hospital, Brown University, 593 Eddy St, Providence, 02903, RI, USA.
| | - Ting C Zhao
- Department of Surgery, Roger Williams Medical Center, Boston University Medical School, 50 Maude Street, Providence, RI, 02908, USA.
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Abstract
Met tyrosine kinase receptor, also known as c-Met, is the HGF (hepatocyte growth factor) receptor. The HGF/Met pathway has a prominent role in cardiovascular remodelling after tissue injury. The present review provides a synopsis of the cellular and molecular mechanisms underlying the effects of HGF/Met in the heart and blood vessels. In vivo, HGF/Met function is particularly important for the protection of the heart in response to both acute and chronic insults, including ischaemic injury and doxorubicin-induced cardiotoxicity. Accordingly, conditional deletion of Met in cardiomyocytes results in impaired organ defence against oxidative stress. After ischaemic injury, activation of Met provides strong anti-apoptotic stimuli for cardiomyocytes through PI3K (phosphoinositide 3-kinase)/Akt and MAPK (mitogen-activated protein kinase) cascades. Recently, we found that HGF/Met is also important for autophagy regulation in cardiomyocytes via the mTOR (mammalian target of rapamycin) pathway. HGF/Met induces proliferation and migration of endothelial cells through Rac1 (Ras-related C3 botulinum toxin substrate 1) activation. In fibroblasts, HGF/Met antagonizes the actions of TGFβ1 (transforming growth factor β1) and AngII (angiotensin II), thus preventing fibrosis. Moreover, HGF/Met influences the inflammatory response of macrophages and the immune response of dendritic cells, indicating its protective function against atherosclerotic and autoimmune diseases. The HGF/Met axis also plays an important role in regulating self-renewal and myocardial regeneration through the enhancement of cardiac progenitor cells. HGF/Met has beneficial effects against myocardial infarction and endothelial dysfunction: the cellular and molecular mechanisms underlying repair function in the heart and blood vessels are common and include pro-angiogenic, anti-inflammatory and anti-fibrotic actions. Thus administration of HGF or HGF mimetics may represent a promising therapeutic agent for the treatment of both coronary and peripheral artery disease.
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47
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Carvalho E, Verma P, Hourigan K, Banerjee R. Myocardial infarction: stem cell transplantation for cardiac regeneration. Regen Med 2015; 10:1025-43. [PMID: 26563414 DOI: 10.2217/rme.15.63] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
It is estimated that by 2030, almost 23.6 million people will perish from cardiovascular disease, according to the WHO. The review discusses advances in stem cell therapy for myocardial infarction, including cell sources, methods of differentiation, expansion selection and their route of delivery. Skeletal muscle cells, hematopoietic cells and mesenchymal stem cells (MSCs) and embryonic stem cells (ESCs)-derived cardiomyocytes have advanced to the clinical stage, while induced pluripotent cells (iPSCs) are yet to be considered clinically. Delivery of cells to the sites of injury and their subsequent retention is a major issue. The development of supportive scaffold matrices to facilitate stem cell retention and differentiation are analyzed. The review outlines clinical translation of conjugate stem cell-based cellular therapeutics post-myocardial infarction.
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Affiliation(s)
- Edmund Carvalho
- IITB Monash Research Academy, Indian Institute of Technology Bombay, Mumbai, India
| | - Paul Verma
- Turretfield Research Centre, South Australian Research & Development Institute (SARDI), SA, Australia.,Stem Cells & Reprogramming Group, Monash University, Australia
| | - Kerry Hourigan
- FLAIR/Laboratory for Biomedical Engineering & Department of Mechanical & Aerospace Engineering, Monash University, Australia
| | - Rinti Banerjee
- Department of Biosciences & Bioengineering, Indian Institute of Technology Bombay, India
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48
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Kavanagh JN, Waring EJ, Prise KM. Radiation responses of stem cells: targeted and non-targeted effects. RADIATION PROTECTION DOSIMETRY 2015; 166:110-117. [PMID: 25877536 DOI: 10.1093/rpd/ncv161] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Stem cells are fundamental to the development of any tissue or organism via their ability to self-renew, which is aided by their unlimited proliferative capacity and their ability to produce fully differentiated offspring, often from multiple lineages. Stems cells are long lived and have the potential to accumulate mutations, including in response to radiation exposure. It is thought that stem cells have the potential to be induced into a cancer stem cell phenotype and that these may play an important role in resistance to radiotherapy. For radiation-induced carcinogenesis, the role of targeted and non-targeted effects is unclear with tissue or origin being important. Studies of genomic instability and bystander responses have shown consistent effects in haematopoietic models. Several models of radiation have predicted that stem cells play an important role in tumour initiation and that bystander responses could play a role in proliferation and self-renewal.
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Affiliation(s)
- J N Kavanagh
- Centre for Cancer Research and Cell Biology, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - E J Waring
- Centre for Cancer Research and Cell Biology, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
| | - K M Prise
- Centre for Cancer Research and Cell Biology, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7AE, UK
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Könemann S, Wenzel K, Ameling S, Grube K, Hammer E, Könemann R, Samal R, Völker U, Felix SB. The Other Side of the RAAS: Aldosterone Improves Migration of Cardiac Progenitor Cells. J Cell Physiol 2015; 230:2829-36. [DOI: 10.1002/jcp.25013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Accepted: 04/03/2015] [Indexed: 12/13/2022]
Affiliation(s)
- Stephanie Könemann
- Department of Internal Medicine B; University Medicine Greifswald; Greifswald Germany
- DZHK (German Center for Cardiovascular Research); partner site Greifswald
| | - Kristin Wenzel
- Department of Internal Medicine B; University Medicine Greifswald; Greifswald Germany
- DZHK (German Center for Cardiovascular Research); partner site Greifswald
| | - Sabine Ameling
- DZHK (German Center for Cardiovascular Research); partner site Greifswald
- Interfaculty Institute for Genetic and Functional Genomics; University Medicine Greifswald; Greifswald Germany
| | - Karina Grube
- Department of Internal Medicine B; University Medicine Greifswald; Greifswald Germany
- DZHK (German Center for Cardiovascular Research); partner site Greifswald
| | - Elke Hammer
- DZHK (German Center for Cardiovascular Research); partner site Greifswald
- Interfaculty Institute for Genetic and Functional Genomics; University Medicine Greifswald; Greifswald Germany
| | - Raik Könemann
- Department of Internal Medicine B; University Medicine Greifswald; Greifswald Germany
| | - Rasmita Samal
- Interfaculty Institute for Genetic and Functional Genomics; University Medicine Greifswald; Greifswald Germany
| | - Uwe Völker
- DZHK (German Center for Cardiovascular Research); partner site Greifswald
- Interfaculty Institute for Genetic and Functional Genomics; University Medicine Greifswald; Greifswald Germany
| | - Stephan B. Felix
- Department of Internal Medicine B; University Medicine Greifswald; Greifswald Germany
- DZHK (German Center for Cardiovascular Research); partner site Greifswald
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