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Zheng K, Hao Y, Xia C, Cheng S, Yu J, Chen Z, Li Y, Niu Y, Ran S, Wang S, Ye W, Luo Z, Li X, Zhao J, Li R, Zong J, Zhang H, Lai L, Huang P, Zhou C, Xia J, Zhang X, Wu J. Effects and mechanisms of the myocardial microenvironment on cardiomyocyte proliferation and regeneration. Front Cell Dev Biol 2024; 12:1429020. [PMID: 39050889 PMCID: PMC11266095 DOI: 10.3389/fcell.2024.1429020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Accepted: 06/20/2024] [Indexed: 07/27/2024] Open
Abstract
The adult mammalian cardiomyocyte has a limited capacity for self-renewal, which leads to the irreversible heart dysfunction and poses a significant threat to myocardial infarction patients. In the past decades, research efforts have been predominantly concentrated on the cardiomyocyte proliferation and heart regeneration. However, the heart is a complex organ that comprises not only cardiomyocytes but also numerous noncardiomyocyte cells, all playing integral roles in maintaining cardiac function. In addition, cardiomyocytes are exposed to a dynamically changing physical environment that includes oxygen saturation and mechanical forces. Recently, a growing number of studies on myocardial microenvironment in cardiomyocyte proliferation and heart regeneration is ongoing. In this review, we provide an overview of recent advances in myocardial microenvironment, which plays an important role in cardiomyocyte proliferation and heart regeneration.
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Affiliation(s)
- Kexiao Zheng
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanglin Hao
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chenkun Xia
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shaoxian Cheng
- Jingshan Union Hospital, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jizhang Yu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhang Chen
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuan Li
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuqing Niu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shuan Ran
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Song Wang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Weicong Ye
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zilong Luo
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaohan Li
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiulu Zhao
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ran Li
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Junjie Zong
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Han Zhang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Longyong Lai
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pinyan Huang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Cheng Zhou
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiahong Xia
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xi Zhang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jie Wu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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2
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Weinberger M, Riley PR. Animal models to study cardiac regeneration. Nat Rev Cardiol 2024; 21:89-105. [PMID: 37580429 DOI: 10.1038/s41569-023-00914-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/17/2023] [Indexed: 08/16/2023]
Abstract
Permanent fibrosis and chronic deterioration of heart function in patients after myocardial infarction present a major health-care burden worldwide. In contrast to the restricted potential for cellular and functional regeneration of the adult mammalian heart, a robust capacity for cardiac regeneration is seen during the neonatal period in mammals as well as in the adults of many fish and amphibian species. However, we lack a complete understanding as to why cardiac regeneration takes place more efficiently in some species than in others. The capacity of the heart to regenerate after injury is controlled by a complex network of cellular and molecular mechanisms that form a regulatory landscape, either permitting or restricting regeneration. In this Review, we provide an overview of the diverse array of vertebrates that have been studied for their cardiac regenerative potential and discuss differential heart regeneration outcomes in closely related species. Additionally, we summarize current knowledge about the core mechanisms that regulate cardiac regeneration across vertebrate species.
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Affiliation(s)
- Michael Weinberger
- Institute of Developmental & Regenerative Medicine, University of Oxford, Oxford, UK
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Paul R Riley
- Institute of Developmental & Regenerative Medicine, University of Oxford, Oxford, UK.
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3
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Castillo-Casas JM, Caño-Carrillo S, Sánchez-Fernández C, Franco D, Lozano-Velasco E. Comparative Analysis of Heart Regeneration: Searching for the Key to Heal the Heart-Part I: Experimental Injury Models to Study Cardiac Regeneration. J Cardiovasc Dev Dis 2023; 10:325. [PMID: 37623338 PMCID: PMC10455172 DOI: 10.3390/jcdd10080325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/28/2023] [Accepted: 07/30/2023] [Indexed: 08/26/2023] Open
Abstract
Cardiovascular diseases are the leading cause of death worldwide, among which, ischemic heart disease is the most prevalent. Myocardial infarction results from occlusion of a coronary artery, which leads to an insufficient blood supply to the myocardium. As is well known, the massive loss of cardiomyocytes cannot be solved due the limited regenerative ability of the adult mammalian heart. In contrast, some lower vertebrate species can regenerate the heart after injury; their study has disclosed some of the involved cell types, molecular mechanisms and signaling pathways during the regenerative process. In this two-part review, we discuss the current state of the principal response in heart regeneration, where several involved processes are essential for full cardiac function in recovery.
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Affiliation(s)
- Juan Manuel Castillo-Casas
- Cardiovascular Development Group, Department of Experimental Biology, University of Jaén, 23071 Jaén, Spain; (J.M.C.-C.); (S.C.-C.); (C.S.-F.); (D.F.)
| | - Sheila Caño-Carrillo
- Cardiovascular Development Group, Department of Experimental Biology, University of Jaén, 23071 Jaén, Spain; (J.M.C.-C.); (S.C.-C.); (C.S.-F.); (D.F.)
| | - Cristina Sánchez-Fernández
- Cardiovascular Development Group, Department of Experimental Biology, University of Jaén, 23071 Jaén, Spain; (J.M.C.-C.); (S.C.-C.); (C.S.-F.); (D.F.)
- Medina Foundation, 18007 Granada, Spain
| | - Diego Franco
- Cardiovascular Development Group, Department of Experimental Biology, University of Jaén, 23071 Jaén, Spain; (J.M.C.-C.); (S.C.-C.); (C.S.-F.); (D.F.)
- Medina Foundation, 18007 Granada, Spain
| | - Estefanía Lozano-Velasco
- Cardiovascular Development Group, Department of Experimental Biology, University of Jaén, 23071 Jaén, Spain; (J.M.C.-C.); (S.C.-C.); (C.S.-F.); (D.F.)
- Medina Foundation, 18007 Granada, Spain
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4
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Abstract
Heart regeneration is a remarkable process whereby regrowth of damaged cardiac tissue rehabilitates organ anatomy and function. Unfortunately, the human heart is highly resistant to regeneration, which creates a shortage of cardiomyocytes in the wake of ischemic injury, and explains, in part, why coronary artery disease remains a leading cause of death worldwide. Luckily, a detailed blueprint for achieving therapeutic heart regeneration already exists in nature because several lower vertebrate species successfully regenerate amputated or damaged heart muscle through robust cardiomyocyte proliferation. A growing number of species are being interrogated for cardiac regenerative potential, and several commonalities have emerged between those animals showing high or low innate capabilities. In this review, we provide a historical perspective on the field, discuss how regenerative potential is influenced by cardiomyocyte properties, mitogenic signals, and chromatin accessibility, and highlight unanswered questions under active investigation. Ultimately, delineating why heart regeneration occurs preferentially in some organisms, but not in others, will uncover novel therapeutic inroads for achieving cardiac restoration in humans.
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Affiliation(s)
- Hui-Min Yin
- Division of Basic and Translational Cardiovascular Research, Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts 02115, USA
- Harvard Medical School, Boston, Massachusetts 02115, USA
| | - C Geoffrey Burns
- Division of Basic and Translational Cardiovascular Research, Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts 02115, USA
- Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Caroline E Burns
- Division of Basic and Translational Cardiovascular Research, Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts 02115, USA
- Harvard Medical School, Boston, Massachusetts 02115, USA
- Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA
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5
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Aslan GS, Polat F, Eren SN, Yucel D, Arbatli S, Cumbul A, Kocabas F. Identification of Novel and Potent Modulators Involved in Neonatal Cardiac Regeneration. Pediatr Cardiol 2021; 42:1554-1566. [PMID: 34046720 DOI: 10.1007/s00246-021-02640-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 05/18/2021] [Indexed: 12/31/2022]
Abstract
Neonatal mammalian heart has been shown to possess the capacity to regenerate substantially after an injury. This remarkable regenerative capacity is lost in a week. This transition has been marked with cardiomyocyte cell cycle arrest and induction of fibrotic response similar to what occurs after myocardial infarction in adult hearts. Recent studies outlined the function of several cardiogenic factors that play a pivotal role in neonatal cardiac regeneration. However, underlying molecular mechanisms of neonatal cardiac regeneration and other cardiogenic factors remained elusive. Here, we investigated the involvement of novel putative cardiogenic factors in neonatal cardiac regeneration and cardiomyocyte cell cycle withdrawal. We have shown that Cbl, Dnmt3a, and Itch are significantly downregulated during neonatal cardiac regeneration process after cardiac injury in vivo. Intriguingly, several of studied factors are upregulated in non-regenerative period of 7-day-old mice after cardiac injury. Knockdown of Cbl, Dnmt3a and Itch in rat neonatal cardiomyocytes lead to the induction of cardiomyocyte proliferation. Cardiomyocyte proliferation accompanies upregulation of positive regulators of cardiomyocyte division and downregulation of CDKIs. Taken together, our findings suggest that Cbl, Dnmt3a, and Itch may be involved in the regulation of cardiomyocyte cell cycle withdrawal and may represent new targets for the induction of cardiac regeneration.
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Affiliation(s)
- Galip Servet Aslan
- Institute for Cardiovascular Regeneration, Goethe University, Frankfurt, Germany.,Regenerative Biology Research Laboratory, Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey.,Faculty of Biological Science, Goethe University, Frankfurt, Germany
| | - Feyza Polat
- Regenerative Biology Research Laboratory, Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
| | - Seyma Nur Eren
- Regenerative Biology Research Laboratory, Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey
| | - Dogacan Yucel
- Faculty of Medicine, University of Minnesota, Minnesota, USA
| | | | - Alev Cumbul
- Department of Histology and Embryology, Faculty of Medicine, Yeditepe University, Istanbul, Turkey
| | - Fatih Kocabas
- Regenerative Biology Research Laboratory, Department of Genetics and Bioengineering, Faculty of Engineering, Yeditepe University, Istanbul, Turkey.
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6
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Liu SQ, Hou XY, Zhao F, Zhao XG. Nucleated red blood cells participate in myocardial regeneration in the toad Bufo Gargarizan Gargarizan. Exp Biol Med (Maywood) 2021; 246:1760-1775. [PMID: 34024142 DOI: 10.1177/15353702211013297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Heart regeneration is negligible in humans and mammals but remarkable in some ectotherms. Humans and mammals lack nucleated red blood cells (NRBCs), while ectotherms have sufficient NRBCs. This study used Bufo gargarizan gargarizan, a Chinese toad subspecies, as a model animal to verify our hypothesis that NRBCs participate in myocardial regeneration. NRBC infiltration into myocardium was seen in the healthy toad hearts. Heart needle-injury was used as an enlarged model of physiological cardiomyocyte loss. It recovered quickly and scarlessly. NRBC infiltration increased during the recovery. Transwell assay was done to in vitro explore effects of myocardial injury on NRBCs. In the transwell system, NRBCs could infiltrate into cardiac pieces and could transdifferentiate toward cardiomyocytes. Heart apex cautery caused approximately 5% of the ventricle to be injured to varying degrees. In the mildly to moderately injured regions, NRBC infiltration increased and myocardial regeneration started soon after the inflammatory response; the severely damaged region underwent inflammation, scarring, and vascularity before NRBC infiltration and myocardial regeneration, and recovered scarlessly in four months. NRBCs were seen in the newly formed myocardium. Enzyme-linked immunosorbent assay and Western blotting showed that the levels of tumor necrosis factor-α, interleukin- 1β, 6, and11, cardiotrophin-1, vascular endothelial growth factor, erythropoietin, matrix metalloproteinase- 2 and 9 in the serum and/or cardiac tissues fluctuated in different patterns during the cardiac injury-regeneration. Cardiotrophin-1 could induce toad NRBC transdifferentiation toward cardiomyocytes in vitro. Taken together, the results suggest that the NRBC is a cell source for cardiomyocyte renewal/regeneration in the toad; cardiomyocyte loss triggers a series of biological processes, facilitating NRBC infiltration and transition to cardiomyocytes. This finding may guide a new direction for improving human myocardial regeneration.
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Affiliation(s)
- Shu-Qin Liu
- Department of Pharmacology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Xiao-Ye Hou
- Department of Pharmacology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Feng Zhao
- The Basic Medical Central Laboratory, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
| | - Xiao-Ge Zhao
- The Central Laboratory For Biomedical Research, Xi'an Jiaotong University Health Science Center, Xi'an 710061, China
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7
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Biodiversity-based development and evolution: the emerging research systems in model and non-model organisms. SCIENCE CHINA-LIFE SCIENCES 2021; 64:1236-1280. [PMID: 33893979 DOI: 10.1007/s11427-020-1915-y] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Accepted: 03/16/2021] [Indexed: 02/07/2023]
Abstract
Evolutionary developmental biology, or Evo-Devo for short, has become an established field that, broadly speaking, seeks to understand how changes in development drive major transitions and innovation in organismal evolution. It does so via integrating the principles and methods of many subdisciplines of biology. Although we have gained unprecedented knowledge from the studies on model organisms in the past decades, many fundamental and crucially essential processes remain a mystery. Considering the tremendous biodiversity of our planet, the current model organisms seem insufficient for us to understand the evolutionary and physiological processes of life and its adaptation to exterior environments. The currently increasing genomic data and the recently available gene-editing tools make it possible to extend our studies to non-model organisms. In this review, we review the recent work on the regulatory signaling of developmental and regeneration processes, environmental adaptation, and evolutionary mechanisms using both the existing model animals such as zebrafish and Drosophila, and the emerging nonstandard model organisms including amphioxus, ascidian, ciliates, single-celled phytoplankton, and marine nematode. In addition, the challenging questions and new directions in these systems are outlined as well.
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8
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Zhu Y, Do VD, Richards AM, Foo R. What we know about cardiomyocyte dedifferentiation. J Mol Cell Cardiol 2020; 152:80-91. [PMID: 33275936 DOI: 10.1016/j.yjmcc.2020.11.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 11/22/2020] [Accepted: 11/27/2020] [Indexed: 12/16/2022]
Abstract
Cardiomyocytes (CMs) lost during cardiac injury and heart failure (HF) cannot be replaced due to their limited proliferative capacity. Regenerating the failing heart by promoting CM cell-cycle re-entry is an ambitious solution, currently vigorously pursued. Some genes have been proven to promote endogenous CM proliferation, believed to be preceded by CM dedifferentiation, wherein terminally differentiated CMs are initially reversed back to the less mature state which precedes cell division. However, very little else is known about CM dedifferentiation which remains poorly defined. We lack robust molecular markers and proper understanding of the mechanisms driving dedifferentiation. Even the term dedifferentiation is debated because there is no objective evidence of pluripotency, and could rather reflect CM plasticity instead. Nonetheless, the significance of CM transition states on cardiac function, and whether they necessarily lead to CM proliferation, remains unclear. This review summarises the current state of knowledge of both natural and experimentally induced CM dedifferentiation in non-mammalian vertebrates (primarily the zebrafish) and mammals, as well as the phenotypes and molecular mechanisms involved. The significance and potential challenges of studying CM dedifferentiation are also discussed. In summary, CM dedifferentiation, essential for CM plasticity, may have an important role in heart regeneration, thereby contributing to the prevention and treatment of heart disease. More attention is needed in this field to overcome the technical limitations and knowledge gaps.
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Affiliation(s)
- Yike Zhu
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Cardiovascular Disease Translational Research Programme, National University Health Systems, Singapore; Genome Institute of Singapore, Agency of Science Research and Technology, Singapore
| | - Vinh Dang Do
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Cardiovascular Disease Translational Research Programme, National University Health Systems, Singapore; Genome Institute of Singapore, Agency of Science Research and Technology, Singapore
| | - A Mark Richards
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Cardiovascular Disease Translational Research Programme, National University Health Systems, Singapore
| | - Roger Foo
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Cardiovascular Disease Translational Research Programme, National University Health Systems, Singapore; Genome Institute of Singapore, Agency of Science Research and Technology, Singapore.
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9
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Bolaños-Castro LA, Walters HE, García Vázquez RO, Yun MH. Immunity in salamander regeneration: Where are we standing and where are we headed? Dev Dyn 2020; 250:753-767. [PMID: 32924213 DOI: 10.1002/dvdy.251] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/04/2020] [Accepted: 09/07/2020] [Indexed: 12/16/2022] Open
Abstract
Salamanders exhibit the most extensive regenerative repertoire among vertebrates, being able to accomplish scar-free healing and faithful regeneration of significant parts of the eye, heart, brain, spinal cord, jaws and gills, as well as entire appendages throughout life. The cellular and molecular mechanisms underlying salamander regeneration are currently under extensive examination, with the hope of identifying the key drivers in each context, understanding interspecies differences in regenerative capacity, and harnessing this knowledge in therapeutic settings. The immune system has recently emerged as a potentially critical player in regenerative responses. Components of both innate and adaptive immunity have been found at critical stages of regeneration in a range of salamander tissues. Moreover, functional studies have identified a requirement for macrophages during heart and limb regeneration. However, our knowledge of salamander immunity remains scarce, and a thorough definition of the precise roles played by its members is lacking. Here, we examine the evidence supporting roles for immunity in various salamander regeneration models. We pinpoint observations that need revisiting through modern genetic approaches, uncover knowledge gaps, and highlight insights from various model organisms that could guide future explorations toward an understanding of the functions of immunity in regeneration.
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Affiliation(s)
| | - Hannah Elisabeth Walters
- Technische Universität Dresden, CRTD/Center for Regenerative Therapies TU Dresden, Dresden, Germany
| | - Rubén Octavio García Vázquez
- Department of Molecular Genetics and Microbiology, University of Florida, College of Medicine, Gainesville, Florida, USA
| | - Maximina Hee Yun
- Technische Universität Dresden, CRTD/Center for Regenerative Therapies TU Dresden, Dresden, Germany.,Max Planck Institute for Molecular Cell Biology and Genetics, Dresden, Germany
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10
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de Wit L, Fang J, Neef K, Xiao J, A. Doevendans P, Schiffelers RM, Lei Z, Sluijter JP. Cellular and Molecular Mechanism of Cardiac Regeneration: A Comparison of Newts, Zebrafish, and Mammals. Biomolecules 2020; 10:biom10091204. [PMID: 32825069 PMCID: PMC7564143 DOI: 10.3390/biom10091204] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 08/06/2020] [Accepted: 08/17/2020] [Indexed: 12/13/2022] Open
Abstract
Cardiovascular disease is the leading cause of death worldwide. Current palliative treatments can slow the progression of heart failure, but ultimately, the only curative treatment for end-stage heart failure is heart transplantation, which is only available for a minority of patients due to lack of donors' hearts. Explorative research has shown the replacement of the damaged and lost myocardium by inducing cardiac regeneration from preexisting myocardial cells. Lower vertebrates, such as the newt and zebrafish, can regenerate lost myocardium through cardiomyocyte proliferation. The preexisting adult cardiomyocytes replace the lost cells through subsequent dedifferentiation, proliferation, migration, and re-differentiation. Similarly, neonatal mice show complete cardiac regeneration post-injury; however, this regenerative capacity is remarkably diminished one week after birth. In contrast, the adult mammalian heart presents a fibrotic rather than a regenerative response and only shows signs of partial pathological cardiomyocyte dedifferentiation after injury. In this review, we explore the cellular and molecular responses to myocardial insults in different adult species to give insights for future interventional directions by which one can promote or activate cardiac regeneration in mammals.
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Affiliation(s)
- Lousanne de Wit
- Department of Cardiology, Experimental Cardiology Laboratory, UMC Utrecht, 3584CX Utrecht, The Netherlands; (L.d.W.); (J.F.); (K.N.); (P.A.D.)
| | - Juntao Fang
- Department of Cardiology, Experimental Cardiology Laboratory, UMC Utrecht, 3584CX Utrecht, The Netherlands; (L.d.W.); (J.F.); (K.N.); (P.A.D.)
| | - Klaus Neef
- Department of Cardiology, Experimental Cardiology Laboratory, UMC Utrecht, 3584CX Utrecht, The Netherlands; (L.d.W.); (J.F.); (K.N.); (P.A.D.)
- UMC Utrecht RM Center, Circulatory Health Laboratory, 3584CT Utrecht, The Netherlands
| | - Junjie Xiao
- Institute of Cardiovascular Sciences, Shanghai University, Shanghai 200444, China;
| | - Pieter A. Doevendans
- Department of Cardiology, Experimental Cardiology Laboratory, UMC Utrecht, 3584CX Utrecht, The Netherlands; (L.d.W.); (J.F.); (K.N.); (P.A.D.)
- Utrecht University, 3584CS Utrecht, The Netherlands
- Netherlands Heart Institute (NHI), Central Military Hospital (CMH), 3511EP Utrecht, The Netherlands
| | | | - Zhiyong Lei
- Department of Cardiology, Experimental Cardiology Laboratory, UMC Utrecht, 3584CX Utrecht, The Netherlands; (L.d.W.); (J.F.); (K.N.); (P.A.D.)
- Division LAB, CDL Research, UMC Utrecht, 3584CX Utrecht, The Netherlands;
- Correspondence: (Z.L.); (J.P.G.S.)
| | - Joost P.G. Sluijter
- Department of Cardiology, Experimental Cardiology Laboratory, UMC Utrecht, 3584CX Utrecht, The Netherlands; (L.d.W.); (J.F.); (K.N.); (P.A.D.)
- UMC Utrecht RM Center, Circulatory Health Laboratory, 3584CT Utrecht, The Netherlands
- Utrecht University, 3584CS Utrecht, The Netherlands
- Correspondence: (Z.L.); (J.P.G.S.)
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11
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Verjans R, van Bilsen M, Schroen B. Reviewing the Limitations of Adult Mammalian Cardiac Regeneration: Noncoding RNAs as Regulators of Cardiomyogenesis. Biomolecules 2020; 10:biom10020262. [PMID: 32050588 PMCID: PMC7072544 DOI: 10.3390/biom10020262] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/03/2020] [Accepted: 02/07/2020] [Indexed: 12/18/2022] Open
Abstract
The adult mammalian heart is incapable of regeneration following cardiac injury, leading to a decline in function and eventually heart failure. One of the most evident barriers limiting cardiac regeneration is the inability of cardiomyocytes to divide. It has recently become clear that the mammalian heart undergoes limited cardiomyocyte self-renewal throughout life and is even capable of modest regeneration early after birth. These exciting findings have awakened the goal to promote cardiomyogenesis of the human heart to repair cardiac injury or treat heart failure. We are still far from understanding why adult mammalian cardiomyocytes possess only a limited capacity to proliferate. Identifying the key regulators may help to progress towards such revolutionary therapy. Specific noncoding RNAs control cardiomyocyte division, including well explored microRNAs and more recently emerged long noncoding RNAs. Elucidating their function and molecular mechanisms during cardiomyogenesis is a prerequisite to advance towards therapeutic options for cardiac regeneration. In this review, we present an overview of the molecular basis of cardiac regeneration and describe current evidence implicating microRNAs and long noncoding RNAs in this process. Current limitations and future opportunities regarding how these regulatory mechanisms can be harnessed to study myocardial regeneration will be addressed.
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Affiliation(s)
- Robin Verjans
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands;
| | - Marc van Bilsen
- Department of Physiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands;
| | - Blanche Schroen
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, 6200 MD Maastricht, The Netherlands;
- Correspondence: ; Tel.: +31-433882949
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12
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Abstract
Heart failure is a major cause of death worldwide owing to the inability of the adult human heart to regenerate after a heart attack. However, many vertebrate species are capable of complete cardiac regeneration following injury. In this Review, we discuss the various model organisms of cardiac regeneration, and outline what they have taught us thus far about the cellular and molecular responses essential for optimal cardiac repair. We compare across different species, highlighting evolutionarily conserved mechanisms of regeneration and demonstrating the importance of developmental gene expression programmes, plasticity of the heart and the pathophysiological environment for the regenerative response. Additionally, we discuss how the findings from these studies have led to improvements in cardiac repair in preclinical models such as adult mice and pigs, and discuss the potential to translate these findings into therapeutic approaches for human patients following myocardial infarction.
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Affiliation(s)
- Eleanor L Price
- Burdon Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK
| | - Joaquim M Vieira
- Burdon Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK
| | - Paul R Riley
- Burdon Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK
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13
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Cardiac Fibroblasts and the Extracellular Matrix in Regenerative and Nonregenerative Hearts. J Cardiovasc Dev Dis 2019; 6:jcdd6030029. [PMID: 31434209 PMCID: PMC6787677 DOI: 10.3390/jcdd6030029] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 08/15/2019] [Accepted: 08/19/2019] [Indexed: 12/15/2022] Open
Abstract
During the postnatal period in mammals, the heart undergoes significant remodeling and cardiac cells progressively lose their embryonic characteristics. At the same time, notable changes in the extracellular matrix (ECM) composition occur with a reduction in the components considered facilitators of cellular proliferation, including fibronectin and periostin, and an increase in collagen fiber organization. Not much is known about the postnatal cardiac fibroblast which is responsible for producing the majority of the ECM, but during the days after birth, mammalian hearts can regenerate after injury with only a transient scar formation. This phenomenon has also been described in adult urodeles and teleosts, but relatively little is known about their cardiac fibroblasts or ECM composition. Here, we review the pre-existing knowledge about cardiac fibroblasts and the ECM during the postnatal period in mammals as well as in regenerative environments.
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14
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González-Rosa JM, Burns CE, Burns CG. Zebrafish heart regeneration: 15 years of discoveries. ACTA ACUST UNITED AC 2017; 4:105-123. [PMID: 28979788 PMCID: PMC5617908 DOI: 10.1002/reg2.83] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Revised: 08/09/2017] [Accepted: 08/09/2017] [Indexed: 12/12/2022]
Abstract
Cardiovascular disease is the leading cause of death worldwide. Compared to other organs such as the liver, the adult human heart lacks the capacity to regenerate on a macroscopic scale after injury. As a result, myocardial infarctions are responsible for approximately half of all cardiovascular related deaths. In contrast, the zebrafish heart regenerates efficiently upon injury through robust myocardial proliferation. Therefore, deciphering the mechanisms that underlie the zebrafish heart's endogenous regenerative capacity represents an exciting avenue to identify novel therapeutic strategies for inducing regeneration of the human heart. This review provides a historical overview of adult zebrafish heart regeneration. We summarize 15 years of research, with a special focus on recent developments from this fascinating field. We discuss experimental findings that address fundamental questions of regeneration research. What is the origin of regenerated muscle? How is regeneration controlled from a genetic and molecular perspective? How do different cell types interact to achieve organ regeneration? Understanding natural models of heart regeneration will bring us closer to answering the ultimate question: how can we stimulate myocardial regeneration in humans?
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Affiliation(s)
- Juan Manuel González-Rosa
- Cardiovascular Research Center Massachusetts General Hospital Charlestown MA 02129 USA.,Harvard Medical School Boston MA 02115 USA
| | - Caroline E Burns
- Cardiovascular Research Center Massachusetts General Hospital Charlestown MA 02129 USA.,Harvard Medical School Boston MA 02115 USA.,Harvard Stem Cell Institute Cambridge MA 02138 USA
| | - C Geoffrey Burns
- Cardiovascular Research Center Massachusetts General Hospital Charlestown MA 02129 USA.,Harvard Medical School Boston MA 02115 USA
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15
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Abstract
Efficient cardiac regeneration is closely associated with the ability of cardiac myocytes to proliferate. Fetal or neonatal mouse hearts containing proliferating cardiac myocytes regenerate even extensive injuries, whereas adult hearts containing mostly post-mitotic cardiac myocytes have lost this ability. The same correlation is seen in some homoiotherm species such as teleost fish and urodelian amphibians leading to the hypothesis that cardiac myocyte proliferation is a major driver of heart regeneration. Although cardiomyocyte proliferation might not be the only prerequisite to restore full organ function after cardiac damage, induction of cardiac myocyte proliferation is an attractive therapeutic option to cure the injured heart and prevent heart failure. To (re)initiate cardiac myocyte proliferation in adult mammalian hearts, a thorough understanding of the molecular circuitry governing cardiac myocyte cell cycle regulation is required. Here, we review the current knowledge in the field focusing on the withdrawal of cardiac myocytes from the cell cycle during the transition from neonatal to adult stages.
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Affiliation(s)
- Xuejun Yuan
- From the Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (X.Y., T.B.); and Department of Internal Medicine II, Justus Liebig University Giessen, Member of the German Center for Cardiovascular Research (DZHK), Member of the German Center for Lung Research (DZL), Giessen, Germany (T.B.)
| | - Thomas Braun
- From the Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (X.Y., T.B.); and Department of Internal Medicine II, Justus Liebig University Giessen, Member of the German Center for Cardiovascular Research (DZHK), Member of the German Center for Lung Research (DZL), Giessen, Germany (T.B.).
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16
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Godwin JW, Debuque R, Salimova E, Rosenthal NA. Heart regeneration in the salamander relies on macrophage-mediated control of fibroblast activation and the extracellular landscape. NPJ Regen Med 2017; 2. [PMID: 29201433 PMCID: PMC5677961 DOI: 10.1038/s41536-017-0027-y] [Citation(s) in RCA: 118] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
In dramatic contrast to the poor repair outcomes for humans and rodent models such as mice, salamanders and some fish species are able to completely regenerate heart tissue following tissue injury, at any life stage. This capacity for complete cardiac repair provides a template for understanding the process of regeneration and for developing strategies to improve human cardiac repair outcomes. Using a cardiac cryo-injury model we show that heart regeneration is dependent on the innate immune system, as macrophage depletion during early time points post-injury results in regeneration failure. In contrast to the transient extracellular matrix that normally accompanies regeneration, this intervention resulted in a permanent, highly cross-linked extracellular matrix scar derived from alternative fibroblast activation and lysyl-oxidase enzyme synthesis. The activation of cardiomyocyte proliferation was not affected by macrophage depletion, indicating that cardiomyocyte replacement is an independent feature of the regenerative process, and is not sufficient to prevent fibrotic progression. These findings highlight the interplay between macrophages and fibroblasts as an important component of cardiac regeneration, and the prevention of fibrosis as a key therapeutic target in the promotion of cardiac repair in mammals. Heart regeneration in salamanders is dependent on the activation of immune cells. James Godwin of The Jackson Laboratory and MDI Biological Laboratory in the US and colleagues depleted all major organs of a group of Mexican salamanders of macrophages, an immune cell responsible for removing cellular debris. They then injured the salamanders’ heart wall with a liquid nitrogen-cooled probe. Unlike adult mammals, zebrafish and salamanders can normally regenerate their hearts after injury. The team found that macrophage-depleted salamanders were unable to regenerate their hearts compared to a control group. Macrophage depletion led to the formation of a permanent fibrotic extracellular matrix scar. But it did not affect the proliferation of heart muscle cells, indicating that their function is not sufficient to prevent the progression of injury toward fibrosis instead of regeneration.
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Affiliation(s)
- J W Godwin
- The Jackson laboratory, Bar Harbor, ME 04609, USA.,Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia.,MDI Biological Laboratory, ME 04609, USA
| | - R Debuque
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia
| | - E Salimova
- Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia
| | - N A Rosenthal
- The Jackson laboratory, Bar Harbor, ME 04609, USA.,Australian Regenerative Medicine Institute, Monash University, Clayton, VIC 3800, Australia.,National Heart and Lung Institute, Imperial College London, UK
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17
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Scuderi GJ, Butcher J. Naturally Engineered Maturation of Cardiomyocytes. Front Cell Dev Biol 2017; 5:50. [PMID: 28529939 PMCID: PMC5418234 DOI: 10.3389/fcell.2017.00050] [Citation(s) in RCA: 132] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Accepted: 04/18/2017] [Indexed: 12/11/2022] Open
Abstract
Ischemic heart disease remains one of the most prominent causes of mortalities worldwide with heart transplantation being the gold-standard treatment option. However, due to the major limitations associated with heart transplants, such as an inadequate supply and heart rejection, there remains a significant clinical need for a viable cardiac regenerative therapy to restore native myocardial function. Over the course of the previous several decades, researchers have made prominent advances in the field of cardiac regeneration with the creation of in vitro human pluripotent stem cell-derived cardiomyocyte tissue engineered constructs. However, these engineered constructs exhibit a functionally immature, disorganized, fetal-like phenotype that is not equivalent physiologically to native adult cardiac tissue. Due to this major limitation, many recent studies have investigated approaches to improve pluripotent stem cell-derived cardiomyocyte maturation to close this large functionality gap between engineered and native cardiac tissue. This review integrates the natural developmental mechanisms of cardiomyocyte structural and functional maturation. The variety of ways researchers have attempted to improve cardiomyocyte maturation in vitro by mimicking natural development, known as natural engineering, is readily discussed. The main focus of this review involves the synergistic role of electrical and mechanical stimulation, extracellular matrix interactions, and non-cardiomyocyte interactions in facilitating cardiomyocyte maturation. Overall, even with these current natural engineering approaches, pluripotent stem cell-derived cardiomyocytes within three-dimensional engineered heart tissue still remain mostly within the early to late fetal stages of cardiomyocyte maturity. Therefore, although the end goal is to achieve adult phenotypic maturity, more emphasis must be placed on elucidating how the in vivo fetal microenvironment drives cardiomyocyte maturation. This information can then be utilized to develop natural engineering approaches that can emulate this fetal microenvironment and thus make prominent progress in pluripotent stem cell-derived maturity toward a more clinically relevant model for cardiac regeneration.
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Affiliation(s)
- Gaetano J Scuderi
- Meinig School of Biomedical Engineering, Cornell UniversityIthaca, NY, USA
| | - Jonathan Butcher
- Meinig School of Biomedical Engineering, Cornell UniversityIthaca, NY, USA
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18
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Manalo T, May A, Quinn J, Lafontant DS, Shifatu O, He W, Gonzalez-Rosa JM, Burns GC, Burns CE, Burns AR, Lafontant PJ. Differential Lectin Binding Patterns Identify Distinct Heart Regions in Giant Danio ( Devario aequipinnatus) and Zebrafish ( Danio rerio) Hearts. J Histochem Cytochem 2016; 64:687-714. [PMID: 27680670 DOI: 10.1369/0022155416667928] [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: 12/20/2022] Open
Abstract
Lectins are carbohydrate-binding proteins commonly used as biochemical and histochemical tools to study glycoconjugate (glycoproteins, glycolipids) expression patterns in cells, tissues, including mammalian hearts. However, lectins have received little attention in zebrafish ( Danio rerio) and giant danio ( Devario aequipinnatus) heart studies. Here, we sought to determine the binding patterns of six commonly used lectins-wheat germ agglutinin (WGA), Ulex europaeus agglutinin, Bandeiraea simplicifolia lectin (BS lectin), concanavalin A (Con A), Ricinus communis agglutinin I (RCA I), and Lycopersicon esculentum agglutinin (tomato lectin)-in these hearts. Con A showed broad staining in the myocardium. WGA stained cardiac myocyte borders, with binding markedly stronger in the compact heart and bulbus. BS lectin, which stained giant danio coronaries, was used to measure vascular reconstruction during regeneration. However, BS lectin reacted poorly in zebrafish. RCA I stained the compact heart of both fish. Tomato lectin stained the giant danio, and while low reactivity was seen in the zebrafish ventricle, staining was observed in their transitional cardiac myocytes. In addition, we observed unique staining patterns in the developing zebrafish heart. Lectins' ability to reveal differential glycoconjugate expression in giant danio and zebrafish hearts suggests they can serve as simple but important tools in studies of developing, adult, and regenerating fish hearts.
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Affiliation(s)
- Trina Manalo
- Department of Biology, DePauw University, Greencastle, Indiana (TM, AM, JQ, DSL, OS, WH, PJL)
| | - Adam May
- Department of Biology, DePauw University, Greencastle, Indiana (TM, AM, JQ, DSL, OS, WH, PJL)
| | - Joshua Quinn
- Department of Biology, DePauw University, Greencastle, Indiana (TM, AM, JQ, DSL, OS, WH, PJL)
| | - Dominique S Lafontant
- Department of Biology, DePauw University, Greencastle, Indiana (TM, AM, JQ, DSL, OS, WH, PJL)
| | - Olubusola Shifatu
- Department of Biology, DePauw University, Greencastle, Indiana (TM, AM, JQ, DSL, OS, WH, PJL)
| | - Wei He
- Department of Biology, DePauw University, Greencastle, Indiana (TM, AM, JQ, DSL, OS, WH, PJL)
| | - Juan M Gonzalez-Rosa
- Division of Cardiology, Department of Medicine, Cardiovascular Research Center, Massachusetts General Hospital, Charlestown, Massachusetts (JMG-R, GCB, CEB)
| | - Geoffrey C Burns
- Division of Cardiology, Department of Medicine, Cardiovascular Research Center, Massachusetts General Hospital, Charlestown, Massachusetts (JMG-R, GCB, CEB)
| | - Caroline E Burns
- Division of Cardiology, Department of Medicine, Cardiovascular Research Center, Massachusetts General Hospital, Charlestown, Massachusetts (JMG-R, GCB, CEB)
| | - Alan R Burns
- College of Optometry, University of Houston, Houston, Texas (ARB)
| | - Pascal J Lafontant
- Department of Biology, DePauw University, Greencastle, Indiana (TM, AM, JQ, DSL, OS, WH, PJL)
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19
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Uygur A, Lee RT. Mechanisms of Cardiac Regeneration. Dev Cell 2016; 36:362-74. [PMID: 26906733 DOI: 10.1016/j.devcel.2016.01.018] [Citation(s) in RCA: 183] [Impact Index Per Article: 22.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 01/13/2016] [Accepted: 01/25/2016] [Indexed: 02/07/2023]
Abstract
Adult humans fail to regenerate their hearts following injury, and this failure to regenerate myocardium is a leading cause of heart failure and death worldwide. Although all adult mammals appear to lack significant cardiac regeneration potential, some vertebrates can regenerate myocardium throughout life. In addition, new studies indicate that mammals have cardiac regeneration potential during development and very soon after birth. The mechanisms of heart regeneration among model organisms, including neonatal mice, appear remarkably similar. Orchestrated waves of inflammation, matrix deposition and remodeling, and cardiomyocyte proliferation are commonly seen in heart regeneration models. Understanding why adult mammals develop extensive scarring instead of regeneration is a crucial goal for regenerative biology.
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Affiliation(s)
- Aysu Uygur
- Department of Stem Cell and Regenerative Biology, Brigham Regenerative Medicine Center, Brigham and Women's Hospital, Harvard Medical School, Harvard University, Cambridge, MA 02139, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - Richard T Lee
- Department of Stem Cell and Regenerative Biology, Brigham Regenerative Medicine Center, Brigham and Women's Hospital, Harvard Medical School, Harvard University, Cambridge, MA 02139, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA.
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20
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Silva AC, Rodrigues SC, Caldeira J, Nunes AM, Sampaio-Pinto V, Resende TP, Oliveira MJ, Barbosa MA, Thorsteinsdóttir S, Nascimento DS, Pinto-do-Ó P. Three-dimensional scaffolds of fetal decellularized hearts exhibit enhanced potential to support cardiac cells in comparison to the adult. Biomaterials 2016; 104:52-64. [PMID: 27424216 DOI: 10.1016/j.biomaterials.2016.06.062] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 06/25/2016] [Accepted: 06/28/2016] [Indexed: 12/11/2022]
Abstract
A main challenge in cardiac tissue engineering is the limited data on microenvironmental cues that sustain survival, proliferation and functional proficiency of cardiac cells. The aim of our study was to evaluate the potential of fetal (E18) and adult myocardial extracellular matrix (ECM) to support cardiac cells. Acellular three-dimensional (3D) bioscaffolds were obtained by parallel decellularization of fetal- and adult-heart explants thereby ensuring reliable comparison. Acellular scaffolds retained main constituents of the cardiac ECM including distinctive biochemical and structural meshwork features of the native equivalents. In vitro, fetal and adult ECM-matrices supported 3D culture of heart-derived Sca-1(+) progenitors and of neonatal cardiomyocytes, which migrated toward the center of the scaffold and displayed elongated morphology and excellent viability. At the culture end-point, more Sca-1(+) cells and cardiomyocytes were found adhered and inside fetal bioscaffolds, compared to the adult. Higher repopulation yields of Sca-1(+) cells on fetal ECM relied on β1-integrin independent mitogenic signals. Sca-1(+) cells on fetal bioscaffolds showed a gene expression profile that anticipates the synthesis of a permissive microenvironment for cardiomyogenesis. Our findings demonstrate the superior potential of the 3D fetal microenvironment to support and instruct cardiac cells. This knowledge should be integrated in the design of next-generation biomimetic materials for heart repair.
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Affiliation(s)
- A C Silva
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto 4050-313, Portugal; Gladstone Institutes, University of California San Francisco, San Francisco 94158, USA
| | - S C Rodrigues
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal
| | - J Caldeira
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal
| | - A M Nunes
- Centre for Ecology, Evolution and Environmental Change, Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisboa 1749-016, Portugal
| | - V Sampaio-Pinto
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto 4050-313, Portugal
| | - T P Resende
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal
| | - M J Oliveira
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal; Faculty of Medicine, University of Porto, Porto 4200-319, Portugal
| | - M A Barbosa
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto 4050-313, Portugal
| | - S Thorsteinsdóttir
- Centre for Ecology, Evolution and Environmental Change, Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisboa 1749-016, Portugal
| | - D S Nascimento
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal.
| | - P Pinto-do-Ó
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal; INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal; Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Porto 4050-313, Portugal; Unit for Lymphopoiesis, Immunology Department, INSERM U668, University Paris Diderot, Sorbonne Paris Cité, Cellule Pasteur. Institut Pasteur, Paris, France.
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21
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Crippa S, Nemir M, Ounzain S, Ibberson M, Berthonneche C, Sarre A, Boisset G, Maison D, Harshman K, Xenarios I, Diviani D, Schorderet D, Pedrazzini T. Comparative transcriptome profiling of the injured zebrafish and mouse hearts identifies miRNA-dependent repair pathways. Cardiovasc Res 2016; 110:73-84. [PMID: 26857418 PMCID: PMC4798047 DOI: 10.1093/cvr/cvw031] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Accepted: 01/28/2016] [Indexed: 02/07/2023] Open
Abstract
Aims The adult mammalian heart has poor regenerative capacity. In contrast, the zebrafish heart retains a robust capacity for regeneration into adulthood. These distinct responses are consequences of a differential utilization of evolutionary-conserved gene regulatory networks in the damaged heart. To systematically identify miRNA-dependent networks controlling cardiac repair following injury, we performed comparative gene and miRNA profiling of the cardiac transcriptome in adult mice and zebrafish. Methods and results Using an integrated approach, we show that 45 miRNA-dependent networks, involved in critical biological pathways, are differentially modulated in the injured zebrafish vs. mouse hearts. We study, more particularly, the miR-26a-dependent response. Therefore, miR-26a is down-regulated in the fish heart after injury, whereas its expression remains constant in the mouse heart. Targets of miR-26a involve activators of the cell cycle and Ezh2, a component of the polycomb repressive complex 2 (PRC2). Importantly, PRC2 exerts repressive functions on negative regulators of the cell cycle. In cultured neonatal cardiomyocytes, inhibition of miR-26a stimulates, therefore, cardiomyocyte proliferation. Accordingly, miR-26a knockdown prolongs the proliferative window of cardiomyocytes in the post-natal mouse heart. Conclusions This novel strategy identifies a series of miRNAs and associated pathways, in particular miR-26a, which represent attractive therapeutic targets for inducing repair in the injured heart.
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Affiliation(s)
- Stefania Crippa
- Experimental Cardiology Unit, Department of Medicine, University of Lausanne Medical School, Lausanne 1011, Switzerland
| | - Mohamed Nemir
- Experimental Cardiology Unit, Department of Medicine, University of Lausanne Medical School, Lausanne 1011, Switzerland
| | - Samir Ounzain
- Experimental Cardiology Unit, Department of Medicine, University of Lausanne Medical School, Lausanne 1011, Switzerland
| | - Mark Ibberson
- Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Corinne Berthonneche
- Cardiovascular Assessment Facility, University of Lausanne, Lausanne, Switzerland
| | - Alexandre Sarre
- Cardiovascular Assessment Facility, University of Lausanne, Lausanne, Switzerland
| | - Gaëlle Boisset
- Institute for Research in Ophthalmology, Sion, Switzerland
| | - Damien Maison
- Experimental Cardiology Unit, Department of Medicine, University of Lausanne Medical School, Lausanne 1011, Switzerland
| | - Keith Harshman
- Lausanne Genomic Technologies Facility, University of Lausanne, Lausanne, Switzerland
| | | | - Dario Diviani
- Department of Pharmacology and Toxicology, University of Lausanne, Lausanne, Switzerland
| | | | - Thierry Pedrazzini
- Experimental Cardiology Unit, Department of Medicine, University of Lausanne Medical School, Lausanne 1011, Switzerland
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22
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ASLAN GS, MISIR DG, KOCABAŞ F. Underlying mechanisms and prospects of heart regeneration. Turk J Biol 2016. [DOI: 10.3906/biy-1506-14] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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23
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Jaźwińska A, Sallin P. Regeneration versus scarring in vertebrate appendages and heart. J Pathol 2016; 238:233-46. [PMID: 26414617 PMCID: PMC5057359 DOI: 10.1002/path.4644] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Revised: 09/15/2015] [Accepted: 09/18/2015] [Indexed: 12/15/2022]
Abstract
Injuries to complex human organs, such as the limbs and the heart, result in pathological conditions, for which we often lack adequate treatments. While modern regenerative approaches are based on the transplantation of stem cell-derived cells, natural regeneration in lower vertebrates, such as zebrafish and newts, relies predominantly on the intrinsic plasticity of mature tissues. This property involves local activation of the remaining material at the site of injury to promote cell division, cell migration and complete reproduction of the missing structure. It remains an unresolved question why adult mammals are not equally competent to reactivate morphogenetic programmes. Although organ regeneration depends strongly on the proliferative properties of cells in the injured tissue, it is apparent that various organismic factors, such as innervation, vascularization, hormones, metabolism and the immune system, can affect this process. Here, we focus on a correlation between the regenerative capacity and cellular specialization in the context of functional demands, as illustrated by appendages and heart in diverse vertebrates. Elucidation of the differences between homologous regenerative and non-regenerative tissues from various animal models is essential for understanding the applicability of lessons learned from the study of regenerative biology to clinical strategies for the treatment of injured human organs.
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Affiliation(s)
- Anna Jaźwińska
- Department of Biology, University of Fribourg, Switzerland
| | - Pauline Sallin
- Department of Biology, University of Fribourg, Switzerland
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24
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Jewhurst K, McLaughlin KA. Beyond the Mammalian Heart: Fish and Amphibians as a Model for Cardiac Repair and Regeneration. J Dev Biol 2015; 4:jdb4010001. [PMID: 29615574 PMCID: PMC5831815 DOI: 10.3390/jdb4010001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 12/04/2015] [Accepted: 12/17/2015] [Indexed: 12/12/2022] Open
Abstract
The epidemic of heart disease, the leading cause of death worldwide, is made worse by the fact that the adult mammalian heart is especially poor at repair. Damage to the mammal heart-such as that caused by myocardial infarction-leads to scarring, resulting in cardiac dysfunction and heart failure. In contrast, the hearts of fish and urodele amphibians are capable of complete regeneration of cardiac tissue from multiple types of damage, with full restoration of functionality. In the last decades, research has revealed a wealth of information on how these animals are able to perform this remarkable feat, and non-mammalian models of heart repair have become a burgeoning new source of data on the morphological, cellular, and molecular processes necessary to heal cardiac damage. In this review we present the major findings from recent research on the underlying mechanisms of fish and amphibian heart regeneration. We also discuss the tools and techniques that have been developed to answer these important questions.
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Affiliation(s)
- Kyle Jewhurst
- Department of Biology, Tufts University, Medford, MA 02155, USA.
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25
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Leone M, Magadum A, Engel FB. Cardiomyocyte proliferation in cardiac development and regeneration: a guide to methodologies and interpretations. Am J Physiol Heart Circ Physiol 2015; 309:H1237-50. [PMID: 26342071 DOI: 10.1152/ajpheart.00559.2015] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The newt and the zebrafish have the ability to regenerate many of their tissues and organs including the heart. Thus, a major goal in experimental medicine is to elucidate the molecular mechanisms underlying the regenerative capacity of these species. A wide variety of experiments have demonstrated that naturally occurring heart regeneration relies on cardiomyocyte proliferation. Thus, major efforts have been invested to induce proliferation of mammalian cardiomyocytes in order to improve cardiac function after injury or to protect the heart from further functional deterioration. In this review, we describe and analyze methods currently used to evaluate cardiomyocyte proliferation. In addition, we summarize the literature on naturally occurring heart regeneration. Our analysis highlights that newt and zebrafish heart regeneration relies on factors that are also utilized in cardiomyocyte proliferation during mammalian fetal development. Most of these factors have, however, failed to induce adult mammalian cardiomyocyte proliferation. Finally, our analysis of mammalian neonatal heart regeneration indicates experiments that could resolve conflicting results in the literature, such as binucleation assays and clonal analysis. Collectively, cardiac regeneration based on cardiomyocyte proliferation is a promising approach for improving adult human cardiac function after injury, but it is important to elucidate the mechanisms arresting mammalian cardiomyocyte proliferation after birth and to utilize better assays to determine formation of new muscle mass.
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Affiliation(s)
- Marina Leone
- Experimental Renal and Cardiovascular Research, Institute of Pathology, Department of Nephropathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany; and
| | - Ajit Magadum
- Department of Cardiology, Icahn School of Medicine at Mount Sinai Hospital, New York, New York
| | - Felix B Engel
- Experimental Renal and Cardiovascular Research, Institute of Pathology, Department of Nephropathology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany; and
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Long-term organ cultures of newt hearts. Methods Mol Biol 2015; 1290:241-51. [PMID: 25740491 DOI: 10.1007/978-1-4939-2495-0_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
Adult newts regenerate their hearts after injury by initiating proliferation of cardiac muscle and non-muscle cells. Mechanistic studies in vivo to analyze heart regeneration are challenging due to the long reproduction cycle of newts and the complexity of the genome. Culture of primary newt cells might offer alternative experimental approaches, but monolayers of newt cardiomyocytes and slice cultures of newt hearts show extensive morphological changes during cultivation. Hence, we developed a protocol to culture intact newt hearts in vitro, avoiding major morphological changes of explanted organs during a 5-week cultivation. The model provides improved accessibility and allows manipulation of cultured organs by small molecules and viral vectors. We found that dedifferentiation and S-phase entry of cardiomyocytes, which are hallmarks of cardiac regeneration in vivo, can be recapitulated in cultured hearts in vitro. We reason that long-term organ cultures of newts are a versatile tool for mechanistic studies on organ regeneration.
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Affiliation(s)
- Gergana Dobreva
- From the Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany (G.D., T.B.); and Medical Faculty, University of Frankfurt, Frankfurt am Main, Germany (G.D.)
| | - Thomas Braun
- From the Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany (G.D., T.B.); and Medical Faculty, University of Frankfurt, Frankfurt am Main, Germany (G.D.)
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Simon HG, Odelberg S. Assessing cardiomyocyte proliferative capacity in the newt heart and primary culture. Methods Mol Biol 2015; 1290:227-240. [PMID: 25740490 DOI: 10.1007/978-1-4939-2495-0_18] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Unlike humans, adult newts possess extraordinary abilities to functionally regenerate lost and injured organs, including cardiac muscle. The most remarkable feature of mature newt cardiomyocytes is their ability to reenter the cell cycle, undergo cell division, and serve as a reservoir for progenitor cells. There are, however, a number of unsolved questions concerning the cellular and molecular mechanisms that underlie this plasticity; for example, we still lack a deeper understanding of the cell-inherent properties of newt cardiomyocytes and to what degree they differ from their mammalian counterparts. Along with considerable morphological changes at the wound site, a striking feature shared by different regenerating tissues in the newt is an extensive and dynamic remodeling of the extracellular environment. The dynamic signaling between cardiomyocytes and extracellular environment is of eminent importance in the control of the differentiated state of the cell, but the molecular details remain elusive. In this chapter, we describe methods to assess cardiomyocyte proliferation in vivo and enrich primary cardiomyocytes from newt hearts to study their behavior, taking extracellular matrix components into consideration.
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Affiliation(s)
- Hans-Georg Simon
- Department of Pediatrics, Lurie Children's Hospital of Chicago Research Center, Northwestern University Feinberg School of Medicine, 225 E. Chicago Avenue, 204, Chicago, IL, 60611, USA,
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Godwin J, Kuraitis D, Rosenthal N. Extracellular matrix considerations for scar-free repair and regeneration: Insights from regenerative diversity among vertebrates. Int J Biochem Cell Biol 2014; 56:47-55. [DOI: 10.1016/j.biocel.2014.10.011] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Revised: 10/04/2014] [Accepted: 10/07/2014] [Indexed: 02/06/2023]
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Looso M. Opening the genetic toolbox of niche model organisms with high throughput techniques: novel proteins in regeneration as a case study. Bioessays 2014; 36:407-18. [PMID: 24741707 DOI: 10.1002/bies.201300093] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Understanding in vivo regeneration of complex structures offers a fascinating perspective for translation into medical applications. Unfortunately, mammals in general lack large-scale regenerative capacity, whereas planarians, newts or Hydra can regenerate complete body parts. Such organisms are, however, poorly annotated because of the lack of sequence information. This leads to limited access for molecular biological investigations. In the last decade, high throughput technologies and new methods enabling the effective generation of transgenic animals have rapidly evolved. These developments have allowed the extensive use of niche model organisms as part of a trend towards the accessibility of a greater panel of model species for scientific research. The case study that follows provides an insight into the impact of high throughput techniques on the landscape of models of regeneration. The cases presented here give evidence of alternative stem cell maintenance pathways, the identification of new protein families and new stem cell markers.
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Grivas J, Haag M, Johnson A, Manalo T, Roell J, Das TL, Brown E, Burns AR, Lafontant PJ. Cardiac repair and regenerative potential in the goldfish (Carassius auratus) heart. Comp Biochem Physiol C Toxicol Pharmacol 2014; 163:14-23. [PMID: 24548889 PMCID: PMC4032620 DOI: 10.1016/j.cbpc.2014.02.002] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Revised: 01/29/2014] [Accepted: 02/10/2014] [Indexed: 12/20/2022]
Abstract
The remarkable ability of the heart to regenerate has been demonstrated in the zebrafish and giant danio, two fish members of the cyprinid family. Here we use light and electron microscopy to examine the repair response in the heart of another cyprinid, the goldfish (Carassius auratus), following cautery injury to a small portion of its ventricular myocardium. We observed a robust inflammatory response in the first two weeks consisting primarily of infiltrating macrophages, heterophils, and melanomacrophages. These inflammatory cells were identified in the lumen of the spongy heart, within the site of the wound, and attached to endocardial cells adjacent to the site of injury. Marked accumulation of collagen fibers and increased connective tissue were also observed during the first and second weeks in a transition zone between healthy and injured myocardium as well as in adjacent sub-epicardial regions. The accumulation of collagen and connective tissue however did not persist. The presence of capillaries was also noted in the injured area during repair. The replacement of the cauterized region of the ventricle by myocardial tissue was achieved in 6weeks. The presence of ethynyl deoxyuridine-positive cardiac myocytes and partially differentiated cardiac myocytes during repair suggest effective cardiac myocyte driven regeneration mechanisms also operate in the injured goldfish heart, and are similar to those observed in zebrafish and giant danio. Our data suggest the ability for cardiac regeneration may be widely conserved among cyprinids.
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Affiliation(s)
- Jamie Grivas
- DePauw University, Department of Biology, Greencastle, IN, USA
| | - Maria Haag
- DePauw University, Department of Biology, Greencastle, IN, USA
| | | | - Trina Manalo
- DePauw University, Department of Biology, Greencastle, IN, USA
| | - Julia Roell
- DePauw University, Department of Biology, Greencastle, IN, USA
| | - Tanmoy L. Das
- DePauw University, Department of Biology, Greencastle, IN, USA
| | - Evelyn Brown
- College of Optometry, University of Houston, Houston, TX, USA
| | - Alan R. Burns
- College of Optometry, University of Houston, Houston, TX, USA
| | - Pascal J. Lafontant
- DePauw University, Department of Biology, Greencastle, IN, USA
- Corresponding Author: Pascal J. Lafontant 1 E Hanna St, Olin 258 DePauw University Greencastle, IN 46135 Ph: (765) 721-0515 Fax: (765) 648-4766
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Novoyatleva T, Sajjad A, Engel FB. TWEAK-Fn14 Cytokine-Receptor Axis: A New Player of Myocardial Remodeling and Cardiac Failure. Front Immunol 2014; 5:50. [PMID: 24611063 PMCID: PMC3920183 DOI: 10.3389/fimmu.2014.00050] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2013] [Accepted: 01/28/2014] [Indexed: 01/01/2023] Open
Abstract
Tumor necrosis factor (TNF) has been firmly established as a pathogenic factor in heart failure, a significant socio-economic burden. In this review, we will explore the role of other members of the TNF/TNF receptor superfamily (TNFSF/TNFRSF) in cardiovascular diseases (CVDs) focusing on TWEAK and its receptor Fn14, new players in myocardial remodeling and heart failure. The TWEAK/Fn14 pathway controls a variety of cellular activities such as proliferation, differentiation, and apoptosis and has diverse biological functions in pathological mechanisms like inflammation and fibrosis that are associated with CVDs. Furthermore, it has recently been shown that the TWEAK/Fn14 axis is a positive regulator of cardiac hypertrophy and that deletion of Fn14 receptor protects from right heart fibrosis and dysfunction. We discuss the potential use of the TWEAK/Fn14 axis as biomarker for CVDs as well as therapeutic target for future treatment of human heart failure based on supporting data from animal models and in vitro studies. Collectively, existing data strongly suggest the TWEAK/Fn14 axis as a potential new therapeutic target for achieving cardiac protection in patients with CVDs.
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Affiliation(s)
- Tatyana Novoyatleva
- Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research , Bad Nauheim , Germany
| | - Amna Sajjad
- Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research , Bad Nauheim , Germany ; Government College University Faisalabad , Faisalabad , Pakistan
| | - Felix B Engel
- Department of Nephropathology, Experimental Renal and Cardiovascular Research, Institute of Pathology, University of Erlangen-Nürnberg , Erlangen , Germany
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Abstract
OPINION STATEMENT Myocardial infarction is the most common cause of cardiac injury in humans and results in acute loss of large numbers of myocardial cells. Unfortunately, the mammalian heart is unable to replenish the cells that are lost following a myocardial infarction and an eventual progression to heart failure can often occur as a result. Regenerative medicine based approaches are actively being developed; however, a complete blueprint on how mammalian hearts can regenerate is still missing. Knowledge gained from studying animal models, such as zebrafish, newt, and neonatal mice, that can naturally regenerate their hearts after injury have provided an understanding of the molecular mechanisms involved in heart repair and regeneration. This research offers novel strategies to overcome the limited regenerative response observed in human patients.
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Cardiac regeneration in non-mammalian vertebrates. Exp Cell Res 2014; 321:58-63. [DOI: 10.1016/j.yexcr.2013.08.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Revised: 07/26/2013] [Accepted: 08/01/2013] [Indexed: 01/08/2023]
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Witman N, Heigwer J, Thaler B, Lui WO, Morrison JI. miR-128 regulates non-myocyte hyperplasia, deposition of extracellular matrix and Islet1 expression during newt cardiac regeneration. Dev Biol 2013; 383:253-63. [DOI: 10.1016/j.ydbio.2013.09.011] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Revised: 08/26/2013] [Accepted: 09/09/2013] [Indexed: 12/16/2022]
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Mercer SE, Odelberg SJ, Simon HG. A dynamic spatiotemporal extracellular matrix facilitates epicardial-mediated vertebrate heart regeneration. Dev Biol 2013; 382:457-69. [PMID: 23939298 DOI: 10.1016/j.ydbio.2013.08.002] [Citation(s) in RCA: 113] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Revised: 07/24/2013] [Accepted: 08/01/2013] [Indexed: 01/22/2023]
Abstract
Unlike humans, certain adult vertebrates such as newts and zebrafish possess extraordinary abilities to functionally regenerate lost appendages and injured organs, including cardiac muscle. Here, we present new evidence that a remodeled extracellular matrix (ECM) directs cell activities essential for cardiac muscle regeneration. Comprehensive mining of DNA microarrays and Gene Ontology term enrichment analyses for regenerating newt and zebrafish hearts revealed that distinct ECM components and ECM-modifying proteases are among the most significantly enriched genes in response to local injury. In contrast, data analyses for mammalian cardiac injury models indicated that inflammation and metabolic processes are the most significantly activated gene groups. In the regenerating newt heart, we show dynamic spatial and temporal changes in tenascin-C, hyaluronic acid, and fibronectin ECM distribution as early as 3 days postamputation. Linked to distinct matrix remodeling, we demonstrate a myocardium-wide proliferative response and radial migration of progenitor cells. In particular, we report dramatic upregulation of a regeneration-specific matrix in the epicardium that precedes the accumulation and migration of progenitor cells. For the first time, we show that the regenerative ECM component tenascin-C significantly increases newt cardiomyocyte cell cycle reentry in vitro. Thus, the engineering of nature-tested extracellular matrices may provide new strategic opportunities for the enhancement of regenerative responses in mammals.
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Affiliation(s)
- Sarah E Mercer
- Department of Pediatrics and Ann & Robert H. Lurie Children's Hospital of Chicago Research Center, Northwestern University Feinberg School of Medicine, Chicago IL, USA
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Affiliation(s)
- Xuejun Yuan
- From the Department of Cardiac Development and Remodeling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Thomas Braun
- From the Department of Cardiac Development and Remodeling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany
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