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Garoffolo G, Casaburo M, Amadeo F, Salvi M, Bernava G, Piacentini L, Chimenti I, Zaccagnini G, Milcovich G, Zuccolo E, Agrifoglio M, Ragazzini S, Baasansuren O, Cozzolino C, Chiesa M, Ferrari S, Carbonaro D, Santoro R, Manzoni M, Casalis L, Raucci A, Molinari F, Menicanti L, Pagano F, Ohashi T, Martelli F, Massai D, Colombo GI, Messina E, Morbiducci U, Pesce M. Reduction of Cardiac Fibrosis by Interference With YAP-Dependent Transactivation. Circ Res 2022; 131:239-257. [PMID: 35770662 DOI: 10.1161/circresaha.121.319373] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Conversion of cardiac stromal cells into myofibroblasts is typically associated with hypoxia conditions, metabolic insults, and/or inflammation, all of which are predisposing factors to cardiac fibrosis and heart failure. We hypothesized that this conversion could be also mediated by response of these cells to mechanical cues through activation of the Hippo transcriptional pathway. The objective of the present study was to assess the role of cellular/nuclear straining forces acting in myofibroblast differentiation of cardiac stromal cells under the control of YAP (yes-associated protein) transcription factor and to validate this finding using a pharmacological agent that interferes with the interactions of the YAP/TAZ (transcriptional coactivator with PDZ-binding motif) complex with their cognate transcription factors TEADs (TEA domain transcription factors), under high-strain and profibrotic stimulation. METHODS We employed high content imaging, 2-dimensional/3-dimensional culture, atomic force microscopy mapping, and molecular methods to prove the role of cell/nuclear straining in YAP-dependent fibrotic programming in a mouse model of ischemia-dependent cardiac fibrosis and in human-derived primitive cardiac stromal cells. We also tested treatment of cells with Verteporfin, a drug known to prevent the association of the YAP/TAZ complex with their cognate transcription factors TEADs. RESULTS Our experiments suggested that pharmacologically targeting the YAP-dependent pathway overrides the profibrotic activation of cardiac stromal cells by mechanical cues in vitro, and that this occurs even in the presence of profibrotic signaling mediated by TGF-β1 (transforming growth factor beta-1). In vivo administration of Verteporfin in mice with permanent cardiac ischemia reduced significantly fibrosis and morphometric remodeling but did not improve cardiac performance. CONCLUSIONS Our study indicates that preventing molecular translation of mechanical cues in cardiac stromal cells reduces the impact of cardiac maladaptive remodeling with a positive effect on fibrosis.
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Affiliation(s)
- Gloria Garoffolo
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Manuel Casaburo
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Francesco Amadeo
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Massimo Salvi
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy (M.S., D.C., F. Molinari, D.M., U.M.)
| | - Giacomo Bernava
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Luca Piacentini
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Isotta Chimenti
- Department of Medical Surgical Science and Biotechnology, Sapienza University of Rome (I.C., C.C.).,Mediterranea Cardiocentro, Napoli (I.C.)
| | | | | | - Estella Zuccolo
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Marco Agrifoglio
- Dipartimento di Scienze Biomediche, Chirurgiche ed Odontoiatriche, Università di Milano, Milan, Italy (M.A.)
| | - Sara Ragazzini
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Otgon Baasansuren
- Faculty of Engineering, Hokkaido University, Sapporo, Japan (O.B., T.O.)
| | - Claudia Cozzolino
- Department of Medical Surgical Science and Biotechnology, Sapienza University of Rome (I.C., C.C.)
| | - Mattia Chiesa
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Silvia Ferrari
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Dario Carbonaro
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy (M.S., D.C., F. Molinari, D.M., U.M.)
| | - Rosaria Santoro
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Martina Manzoni
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | | | - Angela Raucci
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Filippo Molinari
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy (M.S., D.C., F. Molinari, D.M., U.M.)
| | | | - Francesca Pagano
- Institute of Biochemistry and Cell Biology, National Council of Research (IBBC-CNR), Monterotondo, Italy (F.P.)
| | - Toshiro Ohashi
- Faculty of Engineering, Hokkaido University, Sapporo, Japan (O.B., T.O.)
| | | | - Diana Massai
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy (M.S., D.C., F. Molinari, D.M., U.M.)
| | - Gualtiero I Colombo
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
| | - Elisa Messina
- Department of Pediatrics and Infant Neuropsychiatry. Policlinico Umberto I, Sapienza University of Rome (E.M.)
| | - Umberto Morbiducci
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy (M.S., D.C., F. Molinari, D.M., U.M.)
| | - Maurizio Pesce
- Centro Cardiologico Monzino, IRCCS, Milan, Italy (G.G., M.C., F.A., G.B., L.P., E.Z., S.R., M.C., S.F., R.S., M.M., A.R., G.I.C., M.P.)
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2
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Pontemezzo E, Foglio E, Vernucci E, Magenta A, D’Agostino M, Sileno S, Astanina E, Bussolino F, Pellegrini L, Germani A, Russo MA, Limana F. miR-200c-3p Regulates Epitelial-to-Mesenchymal Transition in Epicardial Mesothelial Cells by Targeting Epicardial Follistatin-Related Protein 1. Int J Mol Sci 2021; 22:4971. [PMID: 34067060 PMCID: PMC8125323 DOI: 10.3390/ijms22094971] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 04/30/2021] [Accepted: 05/03/2021] [Indexed: 12/21/2022] Open
Abstract
Recent findings suggest that epithelial to mesenchymal transition (EMT), a key step during heart development, is involved in cardiac tissue repair following myocardial infarction (MI). MicroRNAs (miRNAs) act as key regulators in EMT processes; however, the mechanisms by which miRNAs target epicardial EMT remain largely unknown. Here, by using an in vitro model of epicardial EMT, we investigated the role of miRNAs as regulators of this process and their potential targets. EMT was induced in murine epicardial-mesothelial cells (EMCs) through TGF β1 treatment for 48, 72, and 96 h as indicated by the expression of EMT-related genes by qRT-PCR, WB, and immunofluorescence. Further, enhanced expression of stemness genes was also detected. Among several EMT-related miRNAs, miR-200c-3p expression resulted as the most strongly suppressed. Interestingly, we also found a significant upregulation of Follistatin-related protein 1 (FSTL1), a miR-200c predicted target already identified as a potent cardiogenic factor produced by epicardial cells that promotes regeneration following MI. Dual-luciferase reporter assay demonstrated that miR-200c-3p directly targeted the 3'-untranslated region of FSTL1 in EMCs. Consistently, WB analysis showed that knockdown of miR-200c-3p significantly increased FSTL1 expression, whereas overexpression of miR-200c-3p counteracted TGF β1-mediated FSTL1 upregulation. Importantly, FSTL1 silencing maintained epithelial features in EMCs, despite EMT induction by TGF β1, and attenuated EMT-associated traits, including migration and stemness. In conclusion, epicardial FSTL1, an important cardiogenic factor in its secreted form, induces EMT, stemness, and migration of EMCs in a miR-200c-3p dependent pathway.
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Affiliation(s)
- Elena Pontemezzo
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.P.); (E.F.); (E.V.); (L.P.)
| | - Eleonora Foglio
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.P.); (E.F.); (E.V.); (L.P.)
| | - Enza Vernucci
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.P.); (E.F.); (E.V.); (L.P.)
| | - Alessandra Magenta
- Experimental Immunology Laboratory, Istituto Dermopatico dell’Immacolata, IDI-IRCCS, Via dei Monti di Creta 104, 00167 Rome, Italy; (A.M.); (M.D.); (S.S.); (A.G.)
- Institute of Translational Pharmacology (IFT), Consiglio Nazionale delle Ricerche (CNR), Via Fosso del Cavaliere 100, 00133 Rome, Italy
| | - Marco D’Agostino
- Experimental Immunology Laboratory, Istituto Dermopatico dell’Immacolata, IDI-IRCCS, Via dei Monti di Creta 104, 00167 Rome, Italy; (A.M.); (M.D.); (S.S.); (A.G.)
| | - Sara Sileno
- Experimental Immunology Laboratory, Istituto Dermopatico dell’Immacolata, IDI-IRCCS, Via dei Monti di Creta 104, 00167 Rome, Italy; (A.M.); (M.D.); (S.S.); (A.G.)
| | - Elena Astanina
- Department of Oncology, University of Turin, 10060 Candiolo, Italy; (E.A.); (F.B.)
- Candiolo Cancer Institute-FPO-IRCCS, 10060 Candiolo, Italy
| | - Federico Bussolino
- Department of Oncology, University of Turin, 10060 Candiolo, Italy; (E.A.); (F.B.)
- Candiolo Cancer Institute-FPO-IRCCS, 10060 Candiolo, Italy
| | - Laura Pellegrini
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; (E.P.); (E.F.); (E.V.); (L.P.)
| | - Antonia Germani
- Experimental Immunology Laboratory, Istituto Dermopatico dell’Immacolata, IDI-IRCCS, Via dei Monti di Creta 104, 00167 Rome, Italy; (A.M.); (M.D.); (S.S.); (A.G.)
| | - Matteo Antonio Russo
- IRCCS San Raffaele Pisana and MEBIC Consortium, 00166 Rome, Italy;
- Department of Human Science and Promotion of the Quality of Life, San Raffaele Roma Open University, 00166 Rome, Italy
| | - Federica Limana
- Department of Human Science and Promotion of the Quality of Life, San Raffaele Roma Open University, 00166 Rome, Italy
- Laboratory of Cellular and Molecular Pathology, IRCCS San Raffaele Pisana, 00166 Rome, Italy
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Varshney A, Chahal G, Santos L, Stolper J, Hallab JC, Nim HT, Nikolov M, Yip A, Ramialison M. Human Cardiac Transcription Factor Networks. SYSTEMS MEDICINE 2021. [DOI: 10.1016/b978-0-12-801238-3.11597-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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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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5
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Dergilev KV, Vasilets ID, Tsokolaeva ZI, Zubkova ES, Parfenova EV. [Perspectives of cell therapy for myocardial infarction and heart failure based on cardiosphere cells]. TERAPEVT ARKH 2020; 92:111-120. [PMID: 32598708 DOI: 10.26442/00403660.2020.04.000634] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Indexed: 12/13/2022]
Abstract
Cardiovascular diseases are the leading cause of morbidity and mortality worldwide. In recent years, researchers are attracted to the use of cell therapy based on stem cell and progenitor cells, which has been a promising strategy for cardiac repair after injury. However, conducted research using intracoronary or intramyocardial transplantation of various types of stem/progenitor cells as a cell suspension showed modest efficiency. This is due to the low degree of integration and cell survival after transplantation. To overcome these limitations, the concept of the use of multicellular spheroids modeling the natural microenvironment of cells has been proposed, which allows maintaining their viability and therapeutic properties. It is of great interest to use so-called cardial spheroids (cardiospheres) spontaneously forming three-dimensional structures under low-adhesive conditions, consisting of a heterogeneous population of myocardial progenitor cells and extracellular matrix proteins. This review presents data on methods for creating cardiospheres, directed regulation of their properties and reparative potential, as well as the results of preclinical and clinical studies on their use for the treatment of heart diseases.
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Affiliation(s)
| | | | - Z I Tsokolaeva
- National Medical Research Center for Cardiology.,Negovsky Scientific Research Institute of General Reanimatology of the Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology
| | - E S Zubkova
- National Medical Research Center for Cardiology
| | - E V Parfenova
- National Medical Research Center for Cardiology.,Lomonosov Moscow State University
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6
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Di Costanzo E, Giacomello A, Messina E, Natalini R, Pontrelli G, Rossi F, Smits R, Twarogowska M. A discrete in continuous mathematical model of cardiac progenitor cells formation and growth as spheroid clusters (Cardiospheres). MATHEMATICAL MEDICINE AND BIOLOGY-A JOURNAL OF THE IMA 2018; 35:121-144. [PMID: 28115549 DOI: 10.1093/imammb/dqw022] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Accepted: 11/28/2016] [Indexed: 11/13/2022]
Abstract
We propose a discrete in continuous mathematical model describing the in vitro growth process of biophsy-derived mammalian cardiac progenitor cells growing as clusters in the form of spheres (Cardiospheres). The approach is hybrid: discrete at cellular scale and continuous at molecular level. In the present model, cells are subject to the self-organizing collective dynamics mechanism and, additionally, they can proliferate and differentiate, also depending on stochastic processes. The two latter processes are triggered and regulated by chemical signals present in the environment. Numerical simulations show the structure and the development of the clustered progenitors and are in a good agreement with the results obtained from in vitro experiments.
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Affiliation(s)
- Ezio Di Costanzo
- Istituto per le Applicazioni del Calcolo - Consiglio Nazionale delle Ricerche, Rome, Italy
| | - Alessandro Giacomello
- Department of Molecular Medicine, Pasteur Institute Cenci-Bolognetti Foundation, Sapienza University of Rome, Rome, Italy
| | - Elisa Messina
- Department of Pediatric Cardiology, Sapienza University of Rome, Rome, Italy
| | - Roberto Natalini
- Istituto per le Applicazioni del Calcolo - Consiglio Nazionale delle Ricerche, Rome, Italy
| | - Giuseppe Pontrelli
- Istituto per le Applicazioni del Calcolo - Consiglio Nazionale delle Ricerche, Rome, Italy
| | - Fabrizio Rossi
- Department of Molecular Medicine, Pasteur Institute Cenci-Bolognetti Foundation, Sapienza University of Rome, Rome, Italy
| | - Robert Smits
- Department of Mathematical Sciences, New Mexico State University, Las Cruces, USA
| | - Monika Twarogowska
- Istituto per le Applicazioni del Calcolo - Consiglio Nazionale delle Ricerche, Rome, Italy
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7
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Klopsch C, Skorska A, Ludwig M, Lemcke H, Maass G, Gaebel R, Beyer M, Lux C, Toelk A, Müller K, Maschmeier C, Rohde S, Mela P, Müller-Hilke B, Jockenhoevel S, Vollmar B, Jaster R, David R, Steinhoff G. Intramyocardial angiogenetic stem cells and epicardial erythropoietin save the acute ischemic heart. Dis Model Mech 2018; 11:dmm.033282. [PMID: 29752300 PMCID: PMC6031356 DOI: 10.1242/dmm.033282] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 04/26/2018] [Indexed: 12/14/2022] Open
Abstract
Ischemic heart failure is the leading cause of mortality worldwide. An early boost of intracardiac regenerative key mechanisms and angiogenetic niche signaling in cardiac mesenchymal stem cells (MSCs) could improve myocardial infarction (MI) healing. Epicardial erythropoietin (EPO; 300 U kg-1) was compared with intraperitoneal and intramyocardial EPO treatments after acute MI in rats (n=156). Real-time PCR and confocal microscopy revealed that epicardial EPO treatment enhanced levels of intracardiac regenerative key indicators (SDF-1, CXCR4, CD34, Bcl-2, cyclin D1, Cdc2 and MMP2), induced transforming growth factor β (TGF-β)/WNT signaling in intramyocardial MSC niches through the direct activation of AKT and upregulation of upstream signals FOS and Fzd7, and augmented intracardiac mesenchymal proliferation 24 h after MI. Cardiac catheterization and tissue analysis showed superior cardiac functions, beneficial remodeling and increased capillary density 6 weeks after MI. Concomitant fluorescence-activated cell sorting, co-cultures with neonatal cardiomyocytes, angiogenesis assays, ELISA, western blotting and RAMAN spectroscopy demonstrated that EPO could promote cardiomyogenic differentiation that was specific of tissue origin and enhance paracrine angiogenetic activity in cardiac CD45-CD44+DDR2+ MSCs. Epicardial EPO delivery might be the optimal route for efficient upregulation of regenerative key signals after acute MI. Early EPO-mediated stimulation of mesenchymal proliferation, synergistic angiogenesis with cardiac MSCs and direct induction of TGF-β/WNT signaling in intramyocardial cardiac MSCs could initiate an accelerated healing process that enhances cardiac recovery.
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Affiliation(s)
- Christian Klopsch
- Reference and Translation Center for Cardiac Stem Cell Therapy, Rostock University Medical Center, 18055 Rostock, Germany .,Department of Cardiac Surgery, Heart Center Rostock, University of Rostock, 18055 Rostock, Germany
| | - Anna Skorska
- Reference and Translation Center for Cardiac Stem Cell Therapy, Rostock University Medical Center, 18055 Rostock, Germany.,Department of Cardiac Surgery, Heart Center Rostock, University of Rostock, 18055 Rostock, Germany
| | - Marion Ludwig
- Reference and Translation Center for Cardiac Stem Cell Therapy, Rostock University Medical Center, 18055 Rostock, Germany.,Department of Cardiac Surgery, Heart Center Rostock, University of Rostock, 18055 Rostock, Germany
| | - Heiko Lemcke
- Reference and Translation Center for Cardiac Stem Cell Therapy, Rostock University Medical Center, 18055 Rostock, Germany.,Department of Cardiac Surgery, Heart Center Rostock, University of Rostock, 18055 Rostock, Germany
| | - Gabriela Maass
- Reference and Translation Center for Cardiac Stem Cell Therapy, Rostock University Medical Center, 18055 Rostock, Germany.,Department of Cardiac Surgery, Heart Center Rostock, University of Rostock, 18055 Rostock, Germany
| | - Ralf Gaebel
- Reference and Translation Center for Cardiac Stem Cell Therapy, Rostock University Medical Center, 18055 Rostock, Germany.,Department of Cardiac Surgery, Heart Center Rostock, University of Rostock, 18055 Rostock, Germany
| | - Martin Beyer
- Reference and Translation Center for Cardiac Stem Cell Therapy, Rostock University Medical Center, 18055 Rostock, Germany.,Department of Cardiac Surgery, Heart Center Rostock, University of Rostock, 18055 Rostock, Germany
| | - Cornelia Lux
- Reference and Translation Center for Cardiac Stem Cell Therapy, Rostock University Medical Center, 18055 Rostock, Germany.,Department of Cardiac Surgery, Heart Center Rostock, University of Rostock, 18055 Rostock, Germany
| | - Anita Toelk
- Reference and Translation Center for Cardiac Stem Cell Therapy, Rostock University Medical Center, 18055 Rostock, Germany.,Department of Cardiac Surgery, Heart Center Rostock, University of Rostock, 18055 Rostock, Germany
| | - Karina Müller
- Reference and Translation Center for Cardiac Stem Cell Therapy, Rostock University Medical Center, 18055 Rostock, Germany.,Department of Cardiac Surgery, Heart Center Rostock, University of Rostock, 18055 Rostock, Germany
| | - Christian Maschmeier
- Reference and Translation Center for Cardiac Stem Cell Therapy, Rostock University Medical Center, 18055 Rostock, Germany.,Department of Cardiac Surgery, Heart Center Rostock, University of Rostock, 18055 Rostock, Germany
| | - Sarah Rohde
- Division of Gastroenterology, Department of Medicine II, Rostock University Medical Center, 18055 Rostock, Germany
| | - Petra Mela
- Department of Tissue Engineering and Textile Implants, AME-Helmholtz Institute for Biomedical Engineering, RWTH Aachen University, 52074 Aachen, Germany
| | - Brigitte Müller-Hilke
- Institute of Immunology & Core Facility for Cell Sorting and Cell Analysis, Rostock University Medical Center, 18055 Rostock, Germany
| | - Stefan Jockenhoevel
- Department of Tissue Engineering and Textile Implants, AME-Helmholtz Institute for Biomedical Engineering, RWTH Aachen University, 52074 Aachen, Germany
| | - Brigitte Vollmar
- Institute for Experimental Surgery, Rostock University Medical Center, 18055 Rostock, Germany
| | - Robert Jaster
- Division of Gastroenterology, Department of Medicine II, Rostock University Medical Center, 18055 Rostock, Germany
| | - Robert David
- Reference and Translation Center for Cardiac Stem Cell Therapy, Rostock University Medical Center, 18055 Rostock, Germany.,Department of Cardiac Surgery, Heart Center Rostock, University of Rostock, 18055 Rostock, Germany
| | - Gustav Steinhoff
- Reference and Translation Center for Cardiac Stem Cell Therapy, Rostock University Medical Center, 18055 Rostock, Germany.,Department of Cardiac Surgery, Heart Center Rostock, University of Rostock, 18055 Rostock, Germany
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8
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Sex Differences of Human Cardiac Progenitor Cells in the Biological Response to TNF- α Treatment. Stem Cells Int 2017; 2017:4790563. [PMID: 29104594 PMCID: PMC5623773 DOI: 10.1155/2017/4790563] [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: 02/23/2017] [Revised: 06/09/2017] [Accepted: 06/14/2017] [Indexed: 01/25/2023] Open
Abstract
Adult cardiac progenitor cells (CPCs), isolated as cardiosphere-derived cells (CDCs), represent promising candidates for cardiac regenerative therapy. CDCs can be expanded in vitro manyfolds without losing their differentiation potential, reaching numbers that are appropriate for clinical applications. Since mechanisms of successful CDC survival and engraftment in the damaged myocardium are still critical and unresolved issues, we aimed at deciphering possible key factors capable of bolstering CDC function. In particular, the response and the phenotype of CDCs exposed to low concentrations of the multifunctional cytokine tumor necrosis factor α (TNF-α), known to be capable of activating cell survival pathways, have been investigated. Furthermore, differential biological responses of CDCs from male and female donors, in terms of cell cycle progression and cell spreading, have also been assessed. The results obtained indicate that (i) the intracellular signaling activated in our experimental conditions is most likely due to the prosurvival and proliferative signaling of TNF-α receptor 2 and that (ii) cells from female patients appear more responsive to TNF-α treatment in terms of cell cycle progression and migration ability. In conclusion, the present report highlights the hypothesis that TNF-stimulated CDCs isolated from females may represent a promising candidate for cardiac regenerative therapy applications.
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Cardiac Progenitor Cells and the Interplay with Their Microenvironment. Stem Cells Int 2017; 2017:7471582. [PMID: 29075298 PMCID: PMC5623801 DOI: 10.1155/2017/7471582] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 07/26/2017] [Indexed: 02/06/2023] Open
Abstract
The microenvironment plays a crucial role in the behavior of stem and progenitor cells. In the heart, cardiac progenitor cells (CPCs) reside in specific niches, characterized by key components that are altered in response to a myocardial infarction. To date, there is a lack of knowledge on these niches and on the CPC interplay with the niche components. Insight into these complex interactions and into the influence of microenvironmental factors on CPCs can be used to promote the regenerative potential of these cells. In this review, we discuss cardiac resident progenitor cells and their regenerative potential and provide an overview of the interactions of CPCs with the key elements of their niche. We focus on the interaction between CPCs and supporting cells, extracellular matrix, mechanical stimuli, and soluble factors. Finally, we describe novel approaches to modulate the CPC niche that can represent the next step in recreating an optimal CPC microenvironment and thereby improve their regeneration capacity.
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10
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Shift of EMT gradient in 3D spheroid MSCs for activation of mesenchymal niche function. Sci Rep 2017; 7:6859. [PMID: 28761088 PMCID: PMC5537359 DOI: 10.1038/s41598-017-07049-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 06/23/2017] [Indexed: 12/19/2022] Open
Abstract
Despite the wide use of mesenchymal stromal cells (MSCs) for paracrine support in clinical trials, their variable and heterogeneous supporting activity pose major challenges. While three-dimensional (3D) MSC cultures are emerging as alternative approaches, key changes in cellular characteristics during 3D-spheroid formation remain unclear. Here, we show that MSCs in 3D spheroids undergo further progression towards the epithelial-mesenchymal transition (EMT), driven by upregulation of EMT-promoting microRNAs and suppression of EMT-inhibitory miRNAs. The shift of EMT in MSCs is associated with widespread histone modifications mimicking the epigenetic reprogramming towards enhanced chromatin dynamics and stem cell-like properties, but without changes in their surface phenotype. Notably, these molecular shifts towards EMT in 3D MSCs caused enhanced stem cell niche activity, resulting in higher stimulation of hematopoietic progenitor self-renewal and cancer stem cell metastasis. Moreover, miRNA-mediated induction of EMT in 2D MSCs were sufficient to mimic the enhanced niche activity of 3D spheroid MSCs. Thus, the molecular hierarchy in the EMT gradient among phenotypically indistinguishable MSCs revealed the previously unrecognized functional parameters in MSCs, and the EMT-enhanced “naïve” mesenchymal state represents an ‘activated mesenchymal niche’ in 3D spheroid MSCs.
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11
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EMT/MET at the Crossroad of Stemness, Regeneration and Oncogenesis: The Ying-Yang Equilibrium Recapitulated in Cell Spheroids. Cancers (Basel) 2017; 9:cancers9080098. [PMID: 28758926 PMCID: PMC5575601 DOI: 10.3390/cancers9080098] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2017] [Revised: 07/20/2017] [Accepted: 07/26/2017] [Indexed: 12/21/2022] Open
Abstract
The epithelial-to-mesenchymal transition (EMT) is an essential trans-differentiation process, which plays a critical role in embryonic development, wound healing, tissue regeneration, organ fibrosis, and cancer progression. It is the fundamental mechanism by which epithelial cells lose many of their characteristics while acquiring features typical of mesenchymal cells, such as migratory capacity and invasiveness. Depending on the contest, EMT is complemented and balanced by the reverse process, the mesenchymal-to-epithelial transition (MET). In the saving economy of the living organisms, the same (Ying-Yang) tool is integrated as a physiological strategy in embryonic development, as well as in the course of reparative or disease processes, prominently fibrosis, tumor invasion and metastasis. These mechanisms and their related signaling (e.g., TGF-β and BMPs) have been effectively studied in vitro by tissue-derived cell spheroids models. These three-dimensional (3D) cell culture systems, whose phenotype has been shown to be strongly dependent on TGF-β-regulated EMT/MET processes, present the advantage of recapitulating in vitro the hypoxic in vivo micro-environment of tissue stem cell niches and their formation. These spheroids, therefore, nicely reproduce the finely regulated Ying-Yang equilibrium, which, together with other mechanisms, can be determinant in cell fate decisions in many pathophysiological scenarios, such as differentiation, fibrosis, regeneration, and oncogenesis. In this review, current progress in the knowledge of signaling pathways affecting EMT/MET and stemness regulation will be outlined by comparing data obtained from cellular spheroids systems, as ex vivo niches of stem cells derived from normal and tumoral tissues. The mechanistic correspondence in vivo and the possible pharmacological perspective will be also explored, focusing especially on the TGF-β-related networks, as well as others, such as SNAI1, PTEN, and EGR1. This latter, in particular, for its ability to convey multiple types of stimuli into relevant changes of the cell transcriptional program, can be regarded as a heterogeneous "stress-sensor" for EMT-related inducers (growth factor, hypoxia, mechano-stress), and thus as a therapeutic target.
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12
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Beltrami AP, Madeddu P. Pericytes and cardiac stem cells: Common features and peculiarities. Pharmacol Res 2017; 127:101-109. [PMID: 28578204 DOI: 10.1016/j.phrs.2017.05.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2017] [Revised: 05/14/2017] [Accepted: 05/25/2017] [Indexed: 12/20/2022]
Abstract
Clinical data and basic research indicate that the structural and functional alterations that characterize the evolution of cardiac disease towards heart failure may be, at least in part, reversed. This paradigm shift is due to the accumulation of evidence indicating that, in peculiar settings, cardiomyocytes may be replenished. Moving from the consideration that cardiomyocytes are rapidly withdrawn from the cell cycle after birth, independent laboratories have tested the hypothesis that cardiac resident stem/progenitor cells resided in mammalian hearts and were important for myocardial repair. After almost two decades of intensive investigation, several (but partially overlapping) cardiac resident stem/progenitor cell populations have been identified. These primitive cells are characterized by mesenchymal features, unique properties that distinguish them from mesodermal progenitors residing in other tissues, and heterogeneous embryological origins (that include the neural crest and the epicardium). A further layer of complexity is related to the nature, in vivo localization and properties of mesodermal progenitors residing in adult tissues. Intriguingly, these latter, whose possible perivascular pericyte/mural cell origin has been shown, have been identified in human hearts too. However, their exact anatomical localization, pathophysiological role, and their relationship with cardiac stem/progenitor cells are emerging only recently. Therefore, aim of this review is to discuss the different origin, the distinct nature, and the complementary effect of cardiac stem cells and pericytes supporting regenerative strategies based on the combined use of both myogenic and angiogenic factors.
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Affiliation(s)
- Antonio Paolo Beltrami
- Istituto di Anatomia Patologica, Università degli Studi di Udine, P.zzle S. Maria della Misericordia, 33100 Udine, Italy.
| | - Paolo Madeddu
- Experimental Cardiovascular Medicine, Regenerative Medicine Section, Bristol Heart Institute, School of Clinical Sciences, University of Bristol, Level 7, Bristol Royal Infirmary, Upper Maudlin Street, Bristol BS2 8HW, United Kingdom.
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13
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Chimenti I, Massai D, Morbiducci U, Beltrami AP, Pesce M, Messina E. Stem Cell Spheroids and Ex Vivo Niche Modeling: Rationalization and Scaling-Up. J Cardiovasc Transl Res 2017; 10:150-166. [PMID: 28289983 DOI: 10.1007/s12265-017-9741-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Accepted: 02/27/2017] [Indexed: 02/08/2023]
Abstract
Improved protocols/devices for in vitro culture of 3D cell spheroids may provide essential cues for proper growth and differentiation of stem/progenitor cells (S/PCs) in their niche, allowing preservation of specific features, such as multi-lineage potential and paracrine activity. Several platforms have been employed to replicate these conditions and to generate S/PC spheroids for therapeutic applications. However, they incompletely reproduce the niche environment, with partial loss of its highly regulated network, with additional hurdles in the field of cardiac biology, due to debated resident S/PCs therapeutic potential and clinical translation. In this contribution, the essential niche conditions (metabolic, geometric, mechanical) that allow S/PCs maintenance/commitment will be discussed. In particular, we will focus on both existing bioreactor-based platforms for the culture of S/PC as spheroids, and on possible criteria for the scaling-up of niche-like spheroids, which could be envisaged as promising tools for personalized cardiac regenerative medicine, as well as for high-throughput drug screening.
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Affiliation(s)
- Isotta Chimenti
- Department of Medical Surgical Sciences and Biotechnology, "La Sapienza" University of Rome, Rome, Italy
| | - Diana Massai
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic-, Transplantation and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Umberto Morbiducci
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Turin, Italy
| | | | - Maurizio Pesce
- Tissue Engineering Research Unit, "Centro Cardiologico Monzino", IRCCS, Milan, Italy
| | - Elisa Messina
- Department of Pediatrics and Infant Neuropsychiatry, "Umberto I" Hospital, "La Sapienza" University, Viale Regina Elena 324, 00161, Rome, Italy.
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14
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Pagano F, Angelini F, Siciliano C, Tasciotti J, Mangino G, De Falco E, Carnevale R, Sciarretta S, Frati G, Chimenti I. Beta2-adrenergic signaling affects the phenotype of human cardiac progenitor cells through EMT modulation. Pharmacol Res 2017; 127:41-48. [PMID: 28099883 DOI: 10.1016/j.phrs.2017.01.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 12/12/2016] [Accepted: 01/13/2017] [Indexed: 01/08/2023]
Abstract
Human cardiac progenitor cells (CPCs) offer great promises to cardiac cell therapy for heart failure. Many in vivo studies have shown their therapeutic benefits, paving the way for clinical translation. The 3D model of cardiospheres (CSs) represents a unique niche-like in vitro microenvironment, which includes CPCs and supporting cells. CSs have been shown to form through a process mediated by epithelial-to-mesenchymal transition (EMT). β2-Adrenergic signaling significantly affects stem/progenitor cells activation and mobilization in multiple tissues, and crosstalk between β2-adrenergic signaling and EMT processes has been reported. In the present study, we aimed at investigating the biological response of CSs to β2-adrenergic stimuli, focusing on EMT modulation in the 3D culture system of CSs. We treated human CSs and CS-derived cells (CDCs) with the β2-blocker butoxamine (BUT), using either untreated or β2 agonist (clenbuterol) treated CDCs as control. BUT-treated CS-forming cells displayed increased migration capacity and a significant increase in their CS-forming ability, consistently associated with increased expression of EMT-related genes, such as Snai1. Moreover, long-term BUT-treated CDCs contained a lower percentage of CD90+ cells, and this feature has been previously correlated with higher cardiogenic and therapeutic potential of the CDCs population. In addition, long-term BUT-treated CDCs had an increased ratio of collagen-III/collagen-I gene expression levels, and showed decreased release of inflammatory cytokines, overall supporting a less fibrosis-prone phenotype. In conclusion, β2 adrenergic receptor block positively affected the stemness vs commitment balance within CSs through the modulation of type1-EMT (so called "developmental"). These results further highlight type-1 EMT to be a key process affecting the features of resident cardiac progenitor cells, and mediating their response to the microenvironment.
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Affiliation(s)
- Francesca Pagano
- Department of Medical Surgical Sciences and Biotechnology, "La Sapienza" University of Rome, Italy
| | - Francesco Angelini
- Department of Medical Surgical Sciences and Biotechnology, "La Sapienza" University of Rome, Italy
| | - Camilla Siciliano
- Department of Medical Surgical Sciences and Biotechnology, "La Sapienza" University of Rome, Italy
| | - Julia Tasciotti
- Department of Medical Surgical Sciences and Biotechnology, "La Sapienza" University of Rome, Italy
| | - Giorgio Mangino
- Department of Medical Surgical Sciences and Biotechnology, "La Sapienza" University of Rome, Italy
| | - Elena De Falco
- Department of Medical Surgical Sciences and Biotechnology, "La Sapienza" University of Rome, Italy
| | - Roberto Carnevale
- Department of Medical Surgical Sciences and Biotechnology, "La Sapienza" University of Rome, Italy
| | - Sebastiano Sciarretta
- Department of Medical Surgical Sciences and Biotechnology, "La Sapienza" University of Rome, Italy; Department of AngioCardioNeurology, IRCCS Neuromed, Pozzilli, Italy
| | - Giacomo Frati
- Department of Medical Surgical Sciences and Biotechnology, "La Sapienza" University of Rome, Italy; Department of AngioCardioNeurology, IRCCS Neuromed, Pozzilli, Italy
| | - Isotta Chimenti
- Department of Medical Surgical Sciences and Biotechnology, "La Sapienza" University of Rome, Italy.
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15
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Β-blockers treatment of cardiac surgery patients enhances isolation and improves phenotype of cardiosphere-derived cells. Sci Rep 2016; 6:36774. [PMID: 27841293 PMCID: PMC5107949 DOI: 10.1038/srep36774] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 10/20/2016] [Indexed: 02/08/2023] Open
Abstract
Β-blockers (BB) are a primary treatment for chronic heart disease (CHD), resulting in prognostic and symptomatic benefits. Cardiac cell therapy represents a promising regenerative treatment and, for autologous cell therapy, the patients clinical history may correlate with the biology of resident progenitors and the quality of the final cell product. This study aimed at uncovering correlations between clinical records of biopsy-donor CHD patients undergoing cardiac surgery and the corresponding yield and phenotype of cardiospheres (CSs) and CS-derived cells (CDCs), which are a clinically relevant population for cell therapy, containing progenitors. We describe a statistically significant association between BB therapy and improved CSs yield and CDCs phenotype. We show that BB-CDCs have a reduced fibrotic-like CD90 + subpopulation, with reduced expression of collagen-I and increased expression of cardiac genes, compared to CDCs from non-BB donors. Moreover BB-CDCs had a distinctive microRNA expression profile, consistent with reduced fibrotic features (miR-21, miR-29a/b/c downregulation), and enhanced regenerative potential (miR-1, miR-133, miR-101 upregulation) compared to non-BB. In vitro adrenergic pharmacological treatments confirmed cytoprotective and anti-fibrotic effects of β1-blocker on CDCs. This study shows anti-fibrotic and pro-commitment effects of BB treatment on endogenous cardiac reparative cells, and suggests adjuvant roles of β-blockers in cell therapy applications.
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16
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Chimenti I, Pagano F, Angelini F, Siciliano C, Mangino G, Picchio V, De Falco E, Peruzzi M, Carnevale R, Ibrahim M, Biondi‐Zoccai G, Messina E, Frati G. Human Lung Spheroids as In Vitro Niches of Lung Progenitor Cells with Distinctive Paracrine and Plasticity Properties. Stem Cells Transl Med 2016; 6:767-777. [PMID: 28297570 PMCID: PMC5442776 DOI: 10.5966/sctm.2015-0374] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Accepted: 08/09/2016] [Indexed: 02/05/2023] Open
Abstract
Basic and translational research on lung biology has discovered multiple progenitor cell types, specialized or facultative, responsible for turnover, renewal, and repair. Isolation of populations of resident lung progenitor cells (LPCs) has been described by multiple protocols, and some have been successfully applied to healthy human lung tissue. We aimed at understanding how different cell culture conditions may affect, in vitro, the phenotype of LPCs to create an ideal niche‐like microenvironment. The influence of different substrates (i.e., fibronectin, gelatin, laminin) and the impact of a three‐dimensional/two‐dimensional (3D/2D) culture switch on the biology of LPCs isolated as lung spheroids (LSs) from normal adult human lung biopsy specimens were investigated. We applied a spheroid culture system as the selective/inductive step for progenitor cell culture, as described in many biological systems. The data showed a niche‐like proepithelial microenvironment inside the LS, highly sensitive to the 3D culture system and significantly affecting the phenotype of adult LPCs more than culture substrate. LSs favor epithelial phenotypes and LPC maintenance and contain cells more responsive to specific commitment stimuli than 2D monolayer cultures, while secreting a distinctive set of paracrine factors. We have shown for the first time, to our knowledge, how culture as 3D LSs can affect LPC epithelial phenotype and produce strong paracrine signals with a distinctive secretomic profile compared with 2D monolayer conditions. These findings suggest novel approaches to maintain ex vivo LPCs for basic and translational studies. Stem Cells Translational Medicine2017;6:767–777
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Affiliation(s)
- Isotta Chimenti
- Department of Medical‐Surgical Sciences and Biotechnology, “Sapienza” University of Rome, Rome, Italy
| | - Francesca Pagano
- Department of Medical‐Surgical Sciences and Biotechnology, “Sapienza” University of Rome, Rome, Italy
| | - Francesco Angelini
- Department of Medical‐Surgical Sciences and Biotechnology, “Sapienza” University of Rome, Rome, Italy
| | - Camilla Siciliano
- Department of Medical‐Surgical Sciences and Biotechnology, “Sapienza” University of Rome, Rome, Italy
| | - Giorgio Mangino
- Department of Medical‐Surgical Sciences and Biotechnology, “Sapienza” University of Rome, Rome, Italy
| | - Vittorio Picchio
- Department of Medical‐Surgical Sciences and Biotechnology, “Sapienza” University of Rome, Rome, Italy
| | - Elena De Falco
- Department of Medical‐Surgical Sciences and Biotechnology, “Sapienza” University of Rome, Rome, Italy
| | - Mariangela Peruzzi
- Department of Medical‐Surgical Sciences and Biotechnology, “Sapienza” University of Rome, Rome, Italy
| | - Roberto Carnevale
- Department of Medical‐Surgical Sciences and Biotechnology, “Sapienza” University of Rome, Rome, Italy
| | - Mohsen Ibrahim
- Department of Medical‐Surgical Science and Translational Medicine, “La Sapienza” University of Rome, Rome, Italy
| | - Giuseppe Biondi‐Zoccai
- Department of Medical‐Surgical Sciences and Biotechnology, “Sapienza” University of Rome, Rome, Italy
- Department of AngioCardioNeurology, Istituto di Ricovero e Cura a Carattere Scientifico Neuromed, Pozzilli, Italy
| | - Elisa Messina
- Department of Pediatrics and Neuropsychiatry, “Umberto I” Hospital, Rome, Italy
| | - Giacomo Frati
- Department of Medical‐Surgical Sciences and Biotechnology, “Sapienza” University of Rome, Rome, Italy
- Department of AngioCardioNeurology, Istituto di Ricovero e Cura a Carattere Scientifico Neuromed, Pozzilli, Italy
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17
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Santini MP, Forte E, Harvey RP, Kovacic JC. Developmental origin and lineage plasticity of endogenous cardiac stem cells. Development 2016; 143:1242-58. [PMID: 27095490 DOI: 10.1242/dev.111591] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Over the past two decades, several populations of cardiac stem cells have been described in the adult mammalian heart. For the most part, however, their lineage origins and in vivo functions remain largely unexplored. This Review summarizes what is known about different populations of embryonic and adult cardiac stem cells, including KIT(+), PDGFRα(+), ISL1(+)and SCA1(+)cells, side population cells, cardiospheres and epicardial cells. We discuss their developmental origins and defining characteristics, and consider their possible contribution to heart organogenesis and regeneration. We also summarize the origin and plasticity of cardiac fibroblasts and circulating endothelial progenitor cells, and consider what role these cells have in contributing to cardiac repair.
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Affiliation(s)
- Maria Paola Santini
- Cardiovascular Research Centre, Icahn School of Medicine at Mount Sinai, New York City, NY, USA
| | - Elvira Forte
- Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, 405 Liverpool Street, Darlinghurst 2010, Australia St Vincent's Clinical School, University of New South Wales, Kensington 2052, Australia Stem Cells Australia, Melbourne Brain Centre, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Richard P Harvey
- Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, 405 Liverpool Street, Darlinghurst 2010, Australia St Vincent's Clinical School, University of New South Wales, Kensington 2052, Australia Stem Cells Australia, Melbourne Brain Centre, The University of Melbourne, Parkville, Victoria 3010, Australia School of Biotechnology and Biomolecular Sciences, University of New South Wales, Kensington 2052, Australia
| | - Jason C Kovacic
- Cardiovascular Research Centre, Icahn School of Medicine at Mount Sinai, New York City, NY, USA Stem Cells Australia, Melbourne Brain Centre, The University of Melbourne, Parkville, Victoria 3010, Australia
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18
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Angelini F, Ionta V, Rossi F, Miraldi F, Messina E, Giacomello A. Foetal bovine serum-derived exosomes affect yield and phenotype of human cardiac progenitor cell culture. ACTA ACUST UNITED AC 2016; 6:15-24. [PMID: 27340620 PMCID: PMC4916547 DOI: 10.15171/bi.2016.03] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Revised: 02/29/2016] [Accepted: 03/05/2016] [Indexed: 12/19/2022]
Abstract
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Introduction: Cardiac progenitor cells (CPCs) represent a powerful tool in cardiac regenerative medicine. Pre-clinical studies suggest that most of the beneficial effects promoted by the injected cells are due to their paracrine activity exerted on endogenous cells and tissue. Exosomes are candidate mediators of this paracrine effects. According to their potential, many researchers have focused on characterizing exosomes derived from specific cell types, but, up until now, only few studies have analyzed the possible in vitro effects of bovine serum-derived exosomes on cell proliferation or differentiation.
Methods: The aim of this study was to analyse, from a qualitative and quantitative point of view, the in vitro effects of bovine serum exosomes on human CPCs cultured either as cardiospheres or as monolayers of cardiosphere-forming cells.
Results: Effects on proliferation, yield and molecular patterning were detected. We show, for the first time, that exogenous bovine exosomes support the proliferation and migration of human cardiosphere-forming cells, and that their depletion affects cardiospheres formation, in terms of size, yield and extra-cellular matrix production.
Conclusion: These results stress the importance of considering differential biological effects of exogenous cell culture supplements on the final phenotype of primary human cell cultures.
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Affiliation(s)
- Francesco Angelini
- Pasteur Institute - Cenci Bolognetti Foundation, "Sapienza" University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Vittoria Ionta
- Department of Molecular Medicine, "Sapienza" University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Fabrizio Rossi
- Department of Molecular Medicine, "Sapienza" University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Fabio Miraldi
- Department of Cardiocirculatory Pathophysiology, Anesthesiology and General Surgery, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Elisa Messina
- Department of Pediatric Cardiology, "Sapienza" University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Alessandro Giacomello
- Department of Molecular Medicine, "Sapienza" University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
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19
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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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Siciliano C, Chimenti I, Ibrahim M, Napoletano C, Mangino G, Scaletta G, Zoccai GB, Rendina EA, Calogero A, Frati G, De Falco E. Cardiosphere Conditioned Media Influence the Plasticity of Human Mediastinal Adipose Tissue-Derived Mesenchymal Stem Cells. Cell Transplant 2015; 24:2307-22. [PMID: 26531290 DOI: 10.3727/096368914x685771] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Nowadays, cardiac regenerative medicine is facing many limitations because of the complexity to find the most suitable stem cell source and to understand the regenerative mechanisms involved. Mesenchymal stem cells (MSCs) have shown great regenerative potential due to their intrinsic properties and ability to restore cardiac functionality, directly by transdifferentiation and indirectly by paracrine effects. Yet, how MSCs could respond to definite cardiac-committing microenvironments, such as that created by resident cardiac progenitor cells in the form of cardiospheres (CSs), has never been addressed. Recently, a putative MSC pool has been described in the mediastinal fat (hmADMSCs), but both its biology and function remain hitherto unexplored. Accordingly, we investigated the potential of hmADMSCs to be committed toward a cardiovascular lineage after preconditioning with CS-conditioned media (CCM). Results indicated that CCM affects cell proliferation. Gene expression levels of multiple cardiovascular and stemness markers (MHC, KDR, Nkx2.5, Thy-1, c-kit, SMA) are significantly modulated, and the percentage of hmADMSCs preconditioned with CCM and positive for Nkx2.5, MHC, and KDR is significantly higher relative to FBS and explant-derived cell conditioned media (EDCM, the unselected stage before CS formation). Growth factor-specific and survival signaling pathways (i.e., Erk1/2, Akt, p38, mTOR, p53) present in CCM are all equally regulated. Nonetheless, earlier BAD phosphorylation (Ser112) occurs associated with the CS microenvironment (and to a lesser extent to EDCM), whereas faster phosphorylation of PRAS40 in FBS, and of Akt (Ser473) in EDCM and 5-azacytidine occurs compared to CCM. For the first time, we demonstrated that the MSC pool held in the mediastinal fat is adequately plastic to partially differentiate in vitro toward a cardiac-like lineage. Besides, we have provided novel evidence of the potent inductive niche-like microenvironment that the CS structure can reproduce in vitro. hmADMSCs can represent an interesting tool in order to exploit their possible role in cardiovascular diseases and treatment.
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Affiliation(s)
- Camilla Siciliano
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
- Center for Life Nano Science@Sapienza, Istituto Italiano di Tecnologia, Rome, Italy
| | - Isotta Chimenti
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Mohsen Ibrahim
- Division of Thoracic Surgery, Department of Medical-Surgical Science and Translational Medicine, Sapienza University of Rome, S. Andrea Hospital, Rome, Italy
| | - Chiara Napoletano
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Giorgio Mangino
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Gaia Scaletta
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Giuseppe Biondi Zoccai
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Erino Angelo Rendina
- Division of Thoracic Surgery, Department of Medical-Surgical Science and Translational Medicine, Sapienza University of Rome, S. Andrea Hospital, Rome, Italy
| | - Antonella Calogero
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Giacomo Frati
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
- Department of AngioCardioNeurology, IRCCS Neuromed, Pozzilli, Italy
| | - Elena De Falco
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
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21
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The potential of GMP-compliant platelet lysate to induce a permissive state for cardiovascular transdifferentiation in human mediastinal adipose tissue-derived mesenchymal stem cells. BIOMED RESEARCH INTERNATIONAL 2015; 2015:162439. [PMID: 26495284 PMCID: PMC4606096 DOI: 10.1155/2015/162439] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Revised: 06/04/2015] [Accepted: 06/10/2015] [Indexed: 01/13/2023]
Abstract
Human adipose tissue-derived mesenchymal stem cells (ADMSCs) are considered eligible candidates for cardiovascular stem cell therapy applications due to their cardiac transdifferentiation potential and immunotolerance. Over the years, the in vitro culture of ADMSCs by platelet lysate (PL), a hemoderivate containing numerous growth factors and cytokines derived from platelet pools, has allowed achieving a safe and reproducible methodology to obtain high cell yield prior to clinical administration. Nevertheless, the biological properties of PL are still to be fully elucidated. In this brief report we show the potential ability of PL to induce a permissive state of cardiac-like transdifferentiation and to cause epigenetic modifications. RTPCR results indicate an upregulation of Cx43, SMA, c-kit, and Thy-1 confirmed by immunofluorescence staining, compared to standard cultures with foetal bovine serum. Moreover, PL-cultured ADMSCs exhibit a remarkable increase of both acetylated histones 3 and 4, with a patient-dependent time trend, and methylation at lysine 9 on histone 3 preceding the acetylation. Expression levels of p300 and SIRT-1, two major regulators of histone 3, are also upregulated after treatment with PL. In conclusion, PL could unravel novel biological properties beyond its routine employment in noncardiac applications, providing new insights into the plasticity of human ADMSCs.
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Foglio E, Puddighinu G, Fasanaro P, D'Arcangelo D, Perrone GA, Mocini D, Campanella C, Coppola L, Logozzi M, Azzarito T, Marzoli F, Fais S, Pieroni L, Marzano V, Germani A, Capogrossi MC, Russo MA, Limana F. Exosomal clusterin, identified in the pericardial fluid, improves myocardial performance following MI through epicardial activation, enhanced arteriogenesis and reduced apoptosis. Int J Cardiol 2015; 197:333-47. [PMID: 26159041 DOI: 10.1016/j.ijcard.2015.06.008] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Revised: 05/13/2015] [Accepted: 06/12/2015] [Indexed: 12/23/2022]
Abstract
BACKGROUND We recently demonstrated that epicardial progenitor cells participate in the regenerative response to myocardial infarction (MI) and factors released in the pericardial fluid (PF) may play a key role in this process. Exosomes are secreted nanovesicles of endocytic origin, identified in most body fluids, which may contain molecules able to modulate a variety of cell functions. Here, we investigated whether exosomes are present in the PF and their potential role in cardiac repair. METHODS AND RESULTS Early gene expression studies in 3day-infarcted mouse hearts showed that PF induces epithelial-to-mesenchymal transition (EMT) in epicardial cells. Exosomes were identified in PFs from non-infarcted patients (PFC) and patients with acute MI (PFMI). A shotgun proteomics analysis identified clusterin in exosomes isolated from PFMI but not from PFC. Notably, clusterin has a protective effect on cardiomyocytes after acute MI in vivo and is an important mediator of TGFβ-induced. Clusterin addition to the pericardial sac determined an increase in epicardial cells expressing the EMT marker α-SMA and, interestingly, an increase in the number of epicardial cells ckit(+)/α-SMA(+), 7days following MI. Importantly, clusterin treatment enhanced arteriolar length density and lowered apoptotic rates in the peri-infarct area. Hemodynamic studies demonstrated an improvement in cardiac function in clusterin-treated compared to untreated infarcted hearts. CONCLUSIONS Exosomes are present and detectable in the PFs. Clusterin was identified in PFMI-exosomes and might account for an improvement in myocardial performance following MI through a framework including EMT-mediated epicardial activation, arteriogenesis and reduced cardiomyocyte apoptosis.
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Affiliation(s)
- Eleonora Foglio
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Giovanni Puddighinu
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Pasquale Fasanaro
- Epigenetics & Regenerative Pharmacology, IRCCS Fondazione Santa Lucia, Rome, Italy
| | - Daniela D'Arcangelo
- Laboratorio di Patologia Vascolare, Istituto Dermopatico dell'Immacolata, IRCCS, Rome, Italy
| | | | | | | | | | - Mariantonia Logozzi
- Department of Therapeutic Research and Medicines Evaluation, National Institute of Health, Italy
| | - Tommaso Azzarito
- Department of Therapeutic Research and Medicines Evaluation, National Institute of Health, Italy
| | - Francesca Marzoli
- Department of Therapeutic Research and Medicines Evaluation, National Institute of Health, Italy
| | - Stefano Fais
- Department of Therapeutic Research and Medicines Evaluation, National Institute of Health, Italy
| | - Luisa Pieroni
- Dipartimento di Medicina Sperimentale e Chirurgia, Facoltà di Medicina e Chirurgia, Università' di Roma "Tor Vergata", Italy
| | - Valeria Marzano
- Institute of Chemistry of Molecular Recognition, Italian National Research Council (CNR), Rome, Italy
| | - Antonia Germani
- Laboratorio di Patologia Vascolare, Istituto Dermopatico dell'Immacolata, IRCCS, Rome, Italy
| | - Maurizio C Capogrossi
- Laboratorio di Patologia Vascolare, Istituto Dermopatico dell'Immacolata, IRCCS, Rome, Italy
| | - Matteo A Russo
- Laboratorio di Patologia Cellulare e Molecolare, San Raffaele Pisana, Istituto di Ricovero e Cura a Carattere Scientifico - IRCCS, Rome, Italy
| | - Federica Limana
- Laboratorio di Patologia Cellulare e Molecolare, San Raffaele Pisana, Istituto di Ricovero e Cura a Carattere Scientifico - IRCCS, Rome, Italy.
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23
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Germani A, Foglio E, Capogrossi MC, Russo MA, Limana F. Generation of cardiac progenitor cells through epicardial to mesenchymal transition. J Mol Med (Berl) 2015; 93:735-48. [PMID: 25943780 DOI: 10.1007/s00109-015-1290-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Revised: 04/16/2015] [Accepted: 04/17/2015] [Indexed: 12/23/2022]
Abstract
The epithelial to mesenchymal transition (EMT) is a biological process that drives the formation of cells involved both in tissue repair and in pathological conditions, including tissue fibrosis and tumor metastasis by providing cancer cells with stem cell properties. Recent findings suggest that EMT is reactivated in the heart following ischemic injury. Specifically, epicardial EMT might be involved in the formation of cardiac progenitor cells (CPCs) that can differentiate into endothelial cells, smooth muscle cells, and, possibly, cardiomyocytes. The identification of mechanisms and signaling pathways governing EMT-derived CPC generation and differentiation may contribute to the development of a more efficient regenerative approach for adult heart repair. Here, we summarize key literature in the field.
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Affiliation(s)
- Antonia Germani
- Laboratorio di Patologia Vascolare, Istituto Dermopatico dell'Immacolata, IRCCS, Rome, Italy
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24
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Chong JJ, Forte E, Harvey RP. Developmental origins and lineage descendants of endogenous adult cardiac progenitor cells. Stem Cell Res 2014; 13:592-614. [DOI: 10.1016/j.scr.2014.09.008] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 09/24/2014] [Accepted: 09/26/2014] [Indexed: 12/30/2022] Open
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25
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Pagliari S, Jelinek J, Grassi G, Forte G. Targeting pleiotropic signaling pathways to control adult cardiac stem cell fate and function. Front Physiol 2014; 5:219. [PMID: 25071583 PMCID: PMC4076671 DOI: 10.3389/fphys.2014.00219] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Accepted: 05/26/2014] [Indexed: 11/13/2022] Open
Abstract
The identification of different pools of cardiac progenitor cells resident in the adult mammalian heart opened a new era in heart regeneration as a means to restore the loss of functional cardiac tissue and overcome the limited availability of donor organs. Indeed, resident stem cells are believed to participate to tissue homeostasis and renewal in healthy and damaged myocardium although their actual contribution to these processes remain unclear. The poor outcome in terms of cardiac regeneration following tissue damage point out at the need for a deeper understanding of the molecular mechanisms controlling CPC behavior and fate determination before new therapeutic strategies can be developed. The regulation of cardiac resident stem cell fate and function is likely to result from the interplay between pleiotropic signaling pathways as well as tissue- and cell-specific regulators. Such a modular interaction—which has already been described in the nucleus of a number of different cells where transcriptional complexes form to activate specific gene programs—would account for the unique responses of cardiac progenitors to general and tissue-specific stimuli. The study of the molecular determinants involved in cardiac stem/progenitor cell regulatory mechanisms may shed light on the processes of cardiac homeostasis in health and disease and thus provide clues on the actual feasibility of cardiac cell therapy through tissue-specific progenitors.
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Affiliation(s)
- Stefania Pagliari
- Integrated Center for Cell Therapy and Regenerative Medicine (ICCT), International Clinical Research Center, St. Anne's University Hospital Brno, Czech Republic
| | - Jakub Jelinek
- Integrated Center for Cell Therapy and Regenerative Medicine (ICCT), International Clinical Research Center, St. Anne's University Hospital Brno, Czech Republic
| | - Gabriele Grassi
- Department of Life Sciences, University of Trieste Trieste, Italy
| | - Giancarlo Forte
- Integrated Center for Cell Therapy and Regenerative Medicine (ICCT), International Clinical Research Center, St. Anne's University Hospital Brno, Czech Republic
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26
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Gago-Lopez N, Awaji O, Zhang Y, Ko C, Nsair A, Liem D, Stempien-Otero A, MacLellan W. THY-1 receptor expression differentiates cardiosphere-derived cells with divergent cardiogenic differentiation potential. Stem Cell Reports 2014; 2:576-91. [PMID: 24936447 PMCID: PMC4050474 DOI: 10.1016/j.stemcr.2014.03.003] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Revised: 03/05/2014] [Accepted: 03/07/2014] [Indexed: 01/26/2023] Open
Abstract
Despite over a decade of intense research, the identity and differentiation potential of human adult cardiac progenitor cells (aCPC) remains controversial. Cardiospheres have been proposed as a means to expand aCPCs in vitro, but the identity of the progenitor cell within these 3D structures is unknown. We show that clones derived from cardiospheres could be subdivided based on expression of thymocyte differentiation antigen 1 (THY-1/CD90) into two distinct populations that exhibit divergent cardiac differentiation potential. One population, which is CD90(+), expressed markers consistent with a mesenchymal/myofibroblast cell. The second clone type was CD90(-) and could form mature, functional myocytes with sarcomeres albeit at a very low rate. These two populations of cardiogenic clones displayed distinct cell surface markers and unique transcriptomes. Our study suggests that a rare aCPC exists in cardiospheres along with a mesenchymal/myofibroblast cell, which demonstrates incomplete cardiac myocyte differentiation.
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Affiliation(s)
- Nuria Gago-Lopez
- Center for Cardiovascular Biology, Institute for Stem Cell Research and Division of Cardiology, Department of Medicine, University of Washington, Seattle, WA 98195-6422, USA
- Department of Medicine and Physiology, Cardiovascular Research Laboratory, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095-1751, USA
| | - Obinna Awaji
- Department of Medicine and Physiology, Cardiovascular Research Laboratory, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095-1751, USA
| | - Yiqiang Zhang
- Center for Cardiovascular Biology, Institute for Stem Cell Research and Division of Cardiology, Department of Medicine, University of Washington, Seattle, WA 98195-6422, USA
| | - Christopher Ko
- Department of Medicine and Physiology, Cardiovascular Research Laboratory, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095-1751, USA
| | - Ali Nsair
- Department of Medicine and Physiology, Cardiovascular Research Laboratory, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095-1751, USA
| | - David Liem
- Department of Medicine and Physiology, Cardiovascular Research Laboratory, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095-1751, USA
| | - April Stempien-Otero
- Center for Cardiovascular Biology, Institute for Stem Cell Research and Division of Cardiology, Department of Medicine, University of Washington, Seattle, WA 98195-6422, USA
| | - W. Robb MacLellan
- Center for Cardiovascular Biology, Institute for Stem Cell Research and Division of Cardiology, Department of Medicine, University of Washington, Seattle, WA 98195-6422, USA
- Department of Medicine and Physiology, Cardiovascular Research Laboratory, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095-1751, USA
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Chimenti I, Gaetani R, Forte E, Angelini F, De Falco E, Zoccai GB, Messina E, Frati G, Giacomello A. Serum and supplement optimization for EU GMP-compliance in cardiospheres cell culture. J Cell Mol Med 2014; 18:624-34. [PMID: 24444305 PMCID: PMC4000114 DOI: 10.1111/jcmm.12210] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2013] [Accepted: 11/15/2013] [Indexed: 02/05/2023] Open
Abstract
Cardiac progenitor cells (CPCs) isolated as cardiospheres (CSs) and CS-derived cells (CDCs) are a promising tool for cardiac cell therapy in heart failure patients, having CDCs already been used in a phase I/II clinical trial. Culture standardization according to Good Manufacturing Practices (GMPs) is a mandatory step for clinical translation. One of the main issues raised is the use of xenogenic additives (e.g. FBS, foetal bovine serum) in cell culture media, which carries the risk of contamination with infectious viral/prion agents, and the possible induction of immunizing effects in the final recipient. In this study, B27 supplement and sera requirements to comply with European GMPs were investigated in CSs and CDCs cultures, in terms of process yield/efficiency and final cell product gene expression levels, as well as phenotype. B27− free CS cultures produced a significantly reduced yield and a 10-fold drop in c-kit expression levels versus B27+ media. Moreover, autologous human serum (aHS) and two different commercially available GMP AB HSs were compared with standard research-grade FBS. CPCs from all HSs explants had reduced growth rate, assumed a senescent-like morphology with time in culture, and/or displayed a significant shift towards the endothelial phenotype. Among three different GMP gamma-irradiated FBSs (giFBSs) tested, two provided unsatisfactory cell yields, while one performed optimally, in terms of CPCs yield/phenotype. In conclusion, the use of HSs for the isolation and expansion of CSs/CDCs has to be excluded because of altered proliferation and/or commitment, while media supplemented with B27 and the selected giFBS allows successful EU GMP-complying CPCs culture.
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Affiliation(s)
- Isotta Chimenti
- Department of Medical Surgical Sciences and Biotechnology, "Sapienza" University of Rome, Latina, Italy
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28
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Pavlova SV, Perovskii PP, Chepeleva EV, Malakhova AA, Dement’eva EV, Pokushalov EA, Sukhikh GT, Zakiyan SM. Characteristics of Cardiac Cell Cultures Derived from Human Myocardial Explants. Bull Exp Biol Med 2013; 156:127-35. [DOI: 10.1007/s10517-013-2295-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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29
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D'Elia P, Ionta V, Chimenti I, Angelini F, Miraldi F, Pala A, Messina E, Giacomello A. Analysis of pregnancy-associated plasma protein A production in human adult cardiac progenitor cells. BIOMED RESEARCH INTERNATIONAL 2013; 2013:190178. [PMID: 24312907 PMCID: PMC3842074 DOI: 10.1155/2013/190178] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Revised: 09/09/2013] [Accepted: 09/10/2013] [Indexed: 11/18/2022]
Abstract
IGF-binding proteins (IGFBPs) and their proteases regulate IGFs bioavailability in multiple tissues. Pregnancy-associated plasma protein A (PAPP-A) is a protease acting by cleaving IGFBP2, 4, and 5, regulating local bioavailability of IGFs. We have previously shown that IGFs and IGFBPs are produced by human adult cardiac progenitor cells (haCPCs) and that IGF-1 exerts paracrine therapeutic effects in cardiac cell therapy with CPCs. Using immunofluorescence and enzyme immunoassays, we firstly report that PAPP-A is produced and secreted in surprisingly high amounts by haCPCs. In particular, the homodimeric, enzymatically active, PAPP-A is secreted in relevant concentrations in haCPC-conditioned media, while the enzymatically inactive PAPPA/proMBP complex is not detectable in the same media. Furthermore, we show that both homodimeric PAPP-A and proMBP can be detected as cell associated, suggesting that the previously described complex formation at the cell surface does not occur easily, thus positively affecting IGF signalling. Therefore, our results strongly support the importance of PAPP-A for the IGFs/IGFBPs/PAPP-A axis in CPCs biology.
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Affiliation(s)
- Piera D'Elia
- Department of Gynaecology, Obstetrics and Urologic Sciences, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Vittoria Ionta
- Department of Molecular Medicine, Cenci Bolognetti Foundation, Pasteur Institute, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Isotta Chimenti
- Department of Medical Surgical Sciences and Biotechnology, Sapienza University of Rome, Corso della Repubblica 79, 04100 Latina, Italy
| | - Francesco Angelini
- Department of Molecular Medicine, Cenci Bolognetti Foundation, Pasteur Institute, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Fabio Miraldi
- Department of Cardiocirculatory Pathophysiology, Anesthesiology and General Surgery, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Alessandro Pala
- Department of Gynaecology, Obstetrics and Urologic Sciences, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Elisa Messina
- Department of Molecular Medicine, Cenci Bolognetti Foundation, Pasteur Institute, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
| | - Alessandro Giacomello
- Department of Molecular Medicine, Cenci Bolognetti Foundation, Pasteur Institute, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy
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30
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Aging Impairs the Proliferative Capacity of Cardiospheres, Cardiac Progenitor Cells and Cardiac Fibroblasts: Implications for Cell Therapy. J Clin Med 2013; 2:103-14. [PMID: 26237065 PMCID: PMC4470231 DOI: 10.3390/jcm2030103] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Revised: 08/09/2013] [Accepted: 08/22/2013] [Indexed: 01/08/2023] Open
Abstract
INTRODUCTION Cardiospheres (CS) are self-assembling clusters of cells that can be grown from cardiac tissue. They contain a heterogeneous cell population that includes cardiac progenitor cells (CPCs) and cardiac fibroblasts. CS and CPCs have been shown to improve cardiac function after myocardial infarction (MI) in experimental models and are now being studied in clinical trials. The effects of aging on the proliferative capacity of CS and CPCs, and the paracrine signaling between cell types, remain incompletely understood. METHODS AND RESULTS We compared the growth of CS from young and aging murine hearts at baseline and following MI. The number of CS from young and aging hearts was similar at baseline. However, after MI, young hearts had a dramatic increase in the number of CS that grew, but this proliferative response to MI was virtually abolished in the aging heart. Further, the proportion of cells within the CS that were CPCs (defined as Sca-1(stem cell antigen-1)(+)/CD45(-)) was significantly lower in aging hearts than young hearts. Thus the number of available CPCs after culture from aging hearts was substantially lower than from young hearts. Cardiac fibroblasts from aging hearts proliferated more slowly in culture than those from young hearts. We then investigated the interaction between aging cardiac fibroblasts and CPCs. We found no significant paracrine effects on proliferation between these cell types, suggesting the impaired proliferation is a cell-autonomous problem. CONCLUSIONS Aging hearts generate fewer CPCs, and aging CPCs have significantly reduced proliferative potential following MI. Aging cardiac fibroblasts also have reduced proliferative capacity, but these appear to be cell-autonomous problems, not caused by paracrine signaling between cell types.
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Martinez-Fernandez A, Li X, Hartjes KA, Terzic A, Nelson TJ. Natural cardiogenesis-based template predicts cardiogenic potential of induced pluripotent stem cell lines. ACTA ACUST UNITED AC 2013; 6:462-71. [PMID: 24036272 DOI: 10.1161/circgenetics.113.000045] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Cardiac development is a complex process resulting in an integrated, multilineage tissue with developmental corruption in early embryogenesis leading to congenital heart disease. Interrogation of individual genes has provided the backbone for cardiac developmental biology, yet a comprehensive transcriptome derived from natural cardiogenesis is required to gauge innate developmental milestones. METHODS AND RESULTS Stage-specific cardiac structures were dissected from 8 distinctive mouse embryonic time points to produce genome-wide expressome analysis across cardiogenesis. With reference to this native cardiogenic expression roadmap, divergent induced pluripotent stem cell-derived cardiac expression profiles were mapped from procardiogenic 3-factor (SOX2, OCT4, KLF4) and less-cardiogenic 4-factor (plus c-MYC) reprogrammed cells. Expression of cardiac-related genes from 3-factor-induced pluripotent stem cell differentiated in vitro at days 5 and 11 and recapitulated expression profiles of natural embryos at days E7.5-E8.5 and E14.5-E18.5, respectively. By contrast, 4-factor-induced pluripotent stem cells demonstrated incomplete cardiogenic gene expression profiles beginning at day 5 of differentiation. Differential gene expression within the pluripotent state revealed 23 distinguishing candidate genes among pluripotent cell lines with divergent cardiogenic potentials. A confirmed panel of 12 genes, differentially expressed between high and low cardiogenic lines, was transformed into a predictive score sufficient to discriminate individual induced pluripotent stem cell lines according to relative cardiogenic potential. CONCLUSIONS Transcriptome analysis attuned to natural embryonic cardiogenesis provides a robust platform to probe coordinated cardiac specification and maturation from bioengineered stem cell-based model systems. A panel of developmental-related genes allowed differential prognosis of cardiogenic competency, thus prioritizing cell lines according to natural blueprint to streamline functional applications.
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Affiliation(s)
- Almudena Martinez-Fernandez
- Division of Cardiovascular Diseases, Department of Medicine, Department of Molecular Pharmacology and Experimental Therapeutics, Division of General Internal Medicine Transplant Center, Division of Biomedical Statistics and Informatics, and Center for Regenerative Medicine, Mayo Clinic, Rochester, MN
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