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Hikino K, Koyama S, Ito K, Koike Y, Koido M, Matsumura T, Kurosawa R, Tomizuka K, Ito S, Liu X, Ishikawa Y, Momozawa Y, Morisaki T, Kamatani Y, Mushiroda T, Terao C. RNF213 Variants, Vasospastic Angina, and Risk of Fatal Myocardial Infarction. JAMA Cardiol 2024; 9:723-731. [PMID: 38888930 PMCID: PMC11195602 DOI: 10.1001/jamacardio.2024.1483] [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] [Received: 12/15/2023] [Accepted: 04/01/2024] [Indexed: 06/20/2024]
Abstract
Importance Vasospastic angina (VSA) is vasospasm of the coronary artery and is particularly prevalent in East Asian populations. However, the specific genetic architecture for VSA at genome-wide levels is not fully understood. Objective To identify genetic factors associated with VSA. Design, Setting, and Participants This was a case-control genome-wide association study of VSA. Data from Biobank Japan (BBJ; enrolled patients from 2002-2008 and 2013-2018) were used, and controls without coronary artery disease (CAD) were enrolled. Patients from the BBJ were genotyped using arrays or a set of arrays. Patients recruited between 2002 and 2005 were classified within the first dataset, and those recruited between 2006 and 2008 were classified within the second dataset. To replicate the genome-wide association study in the first and second datasets, VSA cases and control samples from the latest patients in the BBJ recruited between 2013 and 2018 were analyzed in a third dataset. Exposures Single-nucleotide variants associated with VSA. Main Outcomes and Measures Cases with VSA and controls without CAD. Results A total of 5720 cases (mean [SD] age, 67 [10] years; 3672 male [64.2%]) and 153 864 controls (mean [SD] age, 62 [15] years; 77 362 male [50.3%]) in 3 datasets were included in this study. The variants at the RNF213 locus showed the strongest association with VSA across the 3 datasets (odds ratio [OR], 2.34; 95% CI, 1.99-2.74; P = 4.4 × 10-25). Additionally, rs112735431, an Asian-specific rare deleterious variant (p.Arg4810Lys) experimentally shown to be associated with reduced angiogenesis and a well-known causal risk for Moyamoya disease was the most promising candidate for a causal variant explaining the association. The effect size of rs112735431 on VSA was distinct from that of other CADs. Furthermore, homozygous carriers of rs112735431 showed an association with VSA characterized by a large effect estimate (OR, 18.34; 95% CI, 5.15-65.22; P = 7.0 × 10-6), deviating from the additive model (OR, 4.35; 95% CI, 1.18-16.05; P = .03). Stratified analyses revealed that rs112735431 exhibited a stronger association in males (χ21 = 7.24; P = .007) and a younger age group (OR, 3.06; 95% CI, 2.24-4.19), corresponding to the epidemiologic features of VSA. In the registry, carriers without CAD of the risk allele rs112735431 had a strikingly high mortality rate due to acute myocardial infarction during the follow-up period (hazard ratio, 2.71; 95% CI, 1.57-4.65; P = 3.3 × 10-4). As previously reported, a possible overlap between VSA and Moyamoya disease was not found. Conclusions and Relevance Results of this study suggest that vascular cell dysfunction mediated by variants in the RNF213 locus may promote coronary vasospasm, and the presence of the risk allele could serve as a predictive factor for the prognosis.
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Affiliation(s)
- Keiko Hikino
- Laboratory for Pharmacogenomics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
| | - Satoshi Koyama
- Laboratory for Cardiovascular Genomics and Informatics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
| | - Kaoru Ito
- Laboratory for Cardiovascular Genomics and Informatics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
| | - Yoshinao Koike
- Laboratory for Statistical and Translational Genetics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
- Department of Orthopedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Masaru Koido
- Laboratory for Statistical and Translational Genetics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
- Division of Molecular Pathology, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
- Laboratory of Complex Trait Genomics, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo, Japan
| | - Takayoshi Matsumura
- Division of Human Genetics, Center for Molecular Medicine, Jichi Medical University, Shimotsuke, Japan
| | - Ryo Kurosawa
- Laboratory for Cardiovascular Genomics and Informatics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
| | - Kohei Tomizuka
- Laboratory for Statistical and Translational Genetics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
| | - Shuji Ito
- Laboratory for Statistical and Translational Genetics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
- Department of Orthopedic Surgery, Shimane University Faculty of Medicine, Izumo, Japan
| | - Xiaoxi Liu
- Laboratory for Statistical and Translational Genetics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
| | - Yuki Ishikawa
- Laboratory for Statistical and Translational Genetics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
| | - Yukihide Momozawa
- Laboratory for Genotyping Development, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
| | - Takayuki Morisaki
- Division of Molecular Pathology, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Yoichiro Kamatani
- Laboratory for Statistical and Translational Genetics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
- Laboratory of Complex Trait Genomics, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Tokyo, Japan
| | - Taisei Mushiroda
- Laboratory for Pharmacogenomics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
| | - Chikashi Terao
- Laboratory for Statistical and Translational Genetics, RIKEN Center for Integrative Medical Sciences, Yokohama City, Japan
- Clinical Research Center, Shizuoka General Hospital, Shizuoka, Japan
- Department of Applied Genetics, The School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
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Wong D, Martinez J, Quijada P. Exploring the Function of Epicardial Cells Beyond the Surface. Circ Res 2024; 135:353-371. [PMID: 38963865 PMCID: PMC11225799 DOI: 10.1161/circresaha.124.321567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/06/2024]
Abstract
The epicardium, previously viewed as a passive outer layer around the heart, is now recognized as an essential component in development, regeneration, and repair. In this review, we explore the cellular and molecular makeup of the epicardium, highlighting its roles in heart regeneration and repair in zebrafish and salamanders, as well as its activation in young and adult postnatal mammals. We also examine the latest technologies used to study the function of epicardial cells for therapeutic interventions. Analysis of highly regenerative animal models shows that the epicardium is essential in regulating cardiomyocyte proliferation, transient fibrosis, and neovascularization. However, despite the epicardium's unique cellular programs to resolve cardiac damage, it remains unclear how to replicate these processes in nonregenerative mammalian organisms. During myocardial infarction, epicardial cells secrete signaling factors that modulate fibrotic, vascular, and inflammatory remodeling, which differentially enhance or inhibit cardiac repair. Recent transcriptomic studies have validated the cellular and molecular heterogeneity of the epicardium across various species and developmental stages, shedding further light on its function under pathological conditions. These studies have also provided insights into the function of regulatory epicardial-derived signaling molecules in various diseases, which could lead to new therapies and advances in reparative cardiovascular medicine. Moreover, insights gained from investigating epicardial cell function have initiated the development of novel techniques, including using human pluripotent stem cells and cardiac organoids to model reparative processes within the cardiovascular system. This growing understanding of epicardial function holds the potential for developing innovative therapeutic strategies aimed at addressing developmental heart disorders, enhancing regenerative therapies, and mitigating cardiovascular disease progression.
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Affiliation(s)
- David Wong
- Department of Integrative Biology and Physiology, University of California, Los Angeles, CA 90029
- Molecular, Cellular and Integrative Physiology Graduate Program, University of California, Los Angeles, CA 90029
| | - Julie Martinez
- Department of Integrative Biology and Physiology, University of California, Los Angeles, CA 90029
- Molecular, Cellular and Integrative Physiology Graduate Program, University of California, Los Angeles, CA 90029
| | - Pearl Quijada
- Department of Integrative Biology and Physiology, University of California, Los Angeles, CA 90029
- Eli and Edythe Broad Stem Research Center, University of California, Los Angeles, CA 90029
- Molecular Biology Institute, University of California, Los Angeles, CA 90029
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3
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Xiong T, Wang D, Yang H, Liu B, Li Y, Yu W, Wang J, She Q. miR-194-3p regulates epithelial-mesenchymal transition in embryonic epicardial cells via p120/β-catenin signaling. Acta Biochim Biophys Sin (Shanghai) 2024; 56:717-729. [PMID: 38676398 DOI: 10.3724/abbs.2024051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/28/2024] Open
Abstract
The epicardium is integral to cardiac development and facilitates endogenous heart regeneration and repair. While miR-194-3p is associated with cellular migration and invasion, its impact on epicardial cells remains uncharted. In this work we use gain-of-function and loss-of-function methodologies to investigate the function of miR-194-3p in cardiac development. We culture embryonic epicardial cells in vitro and subject them to transforming growth factor β (TGF-β) treatment to induce epithelial-mesenchymal transition (EMT) and monitor miR-194-3p expression. In addition, the effects of miR-194-3p mimics and inhibitors on epicardial cell development and changes in EMT are investigated. To validate the binding targets of miR-194-3p and its ability to recover the target gene-phenotype, we produce a mutant vector p120-catenin-3'UTR-MUT. In epicardial cells, TGF-β-induced EMT results in a notable overexpression of miR-194-3p. The administration of miR-194-3p mimics promotes EMT, which is correlated with elevated levels of mesenchymal markers. Conversely, miR-194-3p inhibitor attenuates EMT. Further investigations reveal a negative correlation between miR-194-3p and p120-catenin, which influences β-catenin level in the cell adhesion pathway. The suppression of EMT caused by the miR-194-3p inhibitor is balanced by silencing of p120-catenin. In conclusion, miR-194-3p directly targets p120-catenin and modulates its expression, which in turn alters β-catenin expression, critically influencing the EMT process in the embryonic epicardial cells via the cell adhesion mechanism.
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Jang J, Accornero F, Li D. Epigenetic determinants and non-myocardial signaling pathways contributing to heart growth and regeneration. Pharmacol Ther 2024; 257:108638. [PMID: 38548089 DOI: 10.1016/j.pharmthera.2024.108638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 03/14/2024] [Accepted: 03/21/2024] [Indexed: 04/04/2024]
Abstract
Congenital heart disease is the most common birth defect worldwide. Defective cardiac myogenesis is either a major presentation or associated with many types of congenital heart disease. Non-myocardial tissues, including endocardium and epicardium, function as a supporting hub for myocardial growth and maturation during heart development. Recent research findings suggest an emerging role of epigenetics in nonmyocytes supporting myocardial development. Understanding how growth signaling pathways in non-myocardial tissues are regulated by epigenetic factors will likely identify new disease mechanisms for congenital heart diseases and shed lights for novel therapeutic strategies for heart regeneration.
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Affiliation(s)
- Jihyun Jang
- Center for Cardiovascular Research, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH 43215, USA; Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH 43215, USA.
| | - Federica Accornero
- Department of Molecular Biology, Cell Biology and Biochemistry, Brown University, Providence, RI 02912, USA
| | - Deqiang Li
- Center for Cardiovascular Research, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH 43215, USA; Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH 43215, USA.
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5
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Ruiz-Villalba A, Guadix JA, Pérez-Pomares JM. Epicardium and Coronary Vessels. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1441:155-166. [PMID: 38884710 DOI: 10.1007/978-3-031-44087-8_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
Congenital anomalies and acquired diseases of the coronary blood vessels are of great clinical relevance. The early diagnosis of these conditions remains, however, challenging. In order to improve our knowledge of these ailments, progress has to be achieved in the research of the molecular and cellular mechanisms that control development of the coronary vascular bed. The aim of this chapter is to provide a succint account of the key elements of coronary blood vessel development, especially in the context of the role played by the epicardium and epicardial cellular derivatives. We will discuss the importance of the epicardium in coronary blood vessel morphogenesis, from the contribution of the epicardially derived mesenchyme to these blood vessels to its role as an instructive signaling center, attempting to relate these concepts to the origin of coronary disease.
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Affiliation(s)
- Adrián Ruiz-Villalba
- Department of Animal Biology, Faculty of Sciences, University of Málaga, Málaga, Spain
- Instituto de Biomedicina de Málaga (IBIMA)-Plataforma BIONAND, Campanillas (Málaga), Spain
| | - Juan Antonio Guadix
- Department of Animal Biology, Faculty of Sciences, University of Málaga, Málaga, Spain
- Instituto de Biomedicina de Málaga (IBIMA)-Plataforma BIONAND, Campanillas (Málaga), Spain
| | - José M Pérez-Pomares
- Department of Animal Biology, Faculty of Sciences, University of Málaga, Málaga, Spain.
- Instituto de Biomedicina de Málaga (IBIMA)-Plataforma BIONAND, Campanillas (Málaga), Spain.
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6
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Guadix JA, Ruiz-Villalba A, Pérez-Pomares JM. Congenital Coronary Blood Vessel Anomalies: Animal Models and the Integration of Developmental Mechanisms. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1441:817-831. [PMID: 38884751 DOI: 10.1007/978-3-031-44087-8_49] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
Coronary blood vessels are in charge of sustaining cardiac homeostasis. It is thus logical that coronary congenital anomalies (CCA) directly or indirectly associate with multiple cardiac conditions, including sudden death. The coronary vascular system is a sophisticated, highly patterned anatomical entity, and therefore a wide range of congenital malformations of the coronary vasculature have been described. Despite the clinical interest of CCA, very few attempts have been made to relate specific embryonic developmental mechanisms to the congenital anomalies of these blood vessels. This is so because developmental data on the morphogenesis of the coronary vascular system derive from complex studies carried out in animals (mostly transgenic mice), and are not often accessible to the clinician, who, in turn, possesses essential information on the significance of CCA. During the last decade, advances in our understanding of normal embryonic development of coronary blood vessels have provided insight into the cellular and molecular mechanisms underlying coronary arteries anomalies. These findings are the base for our attempt to offer plausible embryological explanations to a variety of CCA as based on the analysis of multiple animal models for the study of cardiac embryogenesis, and present them in an organized manner, offering to the reader developmental mechanistic explanations for the pathogenesis of these anomalies.
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Affiliation(s)
- Juan Antonio Guadix
- Department of Animal Biology, Faculty of Sciences, University of Málaga, Málaga, Spain
- Instituto de Biomedicina de Málaga (IBIMA)-Plataforma BIONAND, Málaga, Spain
| | - Adrián Ruiz-Villalba
- Department of Animal Biology, Faculty of Sciences, University of Málaga, Málaga, Spain
- Instituto de Biomedicina de Málaga (IBIMA)-Plataforma BIONAND, Málaga, Spain
| | - José M Pérez-Pomares
- Department of Animal Biology, Faculty of Sciences, University of Málaga, Málaga, Spain.
- Instituto de Biomedicina de Málaga (IBIMA)-Plataforma BIONAND, Málaga, Spain.
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Carmona R, López-Sánchez C, Garcia-Martinez V, Garcia-López V, Muñoz-Chápuli R, Lozano-Velasco E, Franco D. Novel Insights into the Molecular Mechanisms Governing Embryonic Epicardium Formation. J Cardiovasc Dev Dis 2023; 10:440. [PMID: 37998498 PMCID: PMC10672416 DOI: 10.3390/jcdd10110440] [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: 10/05/2023] [Revised: 10/20/2023] [Accepted: 10/22/2023] [Indexed: 11/25/2023] Open
Abstract
The embryonic epicardium originates from the proepicardium, an extracardiac primordium constituted by a cluster of mesothelial cells. In early embryos, the embryonic epicardium is characterized by a squamous cell epithelium resting on the myocardium surface. Subsequently, it invades the subepicardial space and thereafter the embryonic myocardium by means of an epithelial-mesenchymal transition. Within the myocardium, epicardial-derived cells present multilineage potential, later differentiating into smooth muscle cells and contributing both to coronary vasculature and cardiac fibroblasts in the mature heart. Over the last decades, we have progressively increased our understanding of those cellular and molecular mechanisms driving proepicardial/embryonic epicardium formation. This study provides a state-of-the-art review of the transcriptional and emerging post-transcriptional mechanisms involved in the formation and differentiation of the embryonic epicardium.
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Affiliation(s)
- Rita Carmona
- Department of Human Anatomy, Legal Medicine and History of Science, Faculty of Medicine, University of Málaga, 29071 Málaga, Spain;
| | - Carmen López-Sánchez
- Department of Human Anatomy and Embryology, Faculty of Medicine and Health Sciences, Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain; (C.L.-S.); (V.G.-M.)
| | - Virginio Garcia-Martinez
- Department of Human Anatomy and Embryology, Faculty of Medicine and Health Sciences, Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain; (C.L.-S.); (V.G.-M.)
| | - Virginio Garcia-López
- Department of Medical and Surgical Therapeutics, Pharmacology Area, Faculty of Medicine and Health Sciences, University of Extremadura, 06006 Badajoz, Spain;
| | - Ramón Muñoz-Chápuli
- Department of Animal Biology, Faculty of Science, University of Málaga, 29071 Málaga, Spain;
| | - Estefanía Lozano-Velasco
- Cardiovascular Research Group, Department of Experimental Biology, University of Jaén, 23071 Jaén, Spain;
| | - Diego Franco
- Cardiovascular Research Group, Department of Experimental Biology, University of Jaén, 23071 Jaén, Spain;
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Kasamoto M, Funakoshi S, Hatani T, Okubo C, Nishi Y, Tsujisaka Y, Nishikawa M, Narita M, Ohta A, Kimura T, Yoshida Y. Am80, a retinoic acid receptor agonist, activates the cardiomyocyte cell cycle and enhances engraftment in the heart. Stem Cell Reports 2023; 18:1672-1685. [PMID: 37451261 PMCID: PMC10444569 DOI: 10.1016/j.stemcr.2023.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 07/18/2023] Open
Abstract
Human induced pluripotent stem cell-derived (hiPSC) cardiomyocytes are a promising source for regenerative therapy. To realize this therapy, however, their engraftment potential after their injection into the host heart should be improved. Here, we established an efficient method to analyze the cell cycle activity of hiPSC cardiomyocytes using a fluorescence ubiquitination-based cell cycle indicator (FUCCI) system. In vitro high-throughput screening using FUCCI identified a retinoic acid receptor (RAR) agonist, Am80, as an effective cell cycle activator in hiPSC cardiomyocytes. The transplantation of hiPSC cardiomyocytes treated with Am80 before the injection significantly enhanced the engraftment in damaged mouse heart for 6 months. Finally, we revealed that the activation of endogenous Wnt pathways through both RARA and RARB underlies the Am80-mediated cell cycle activation. Collectively, this study highlights an efficient method to activate cell cycle in hiPSC cardiomyocytes by Am80 as a means to increase the graft size after cell transplantation into a damaged heart.
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Affiliation(s)
- Manabu Kasamoto
- Centre for iPS Cell Research and Application, Kyoto University, Kyoto, Japan; Department of Cardiovascular Medicine, Kyoto University Hospital, Kyoto, Japan
| | - Shunsuke Funakoshi
- Centre for iPS Cell Research and Application, Kyoto University, Kyoto, Japan; Takeda-CiRA Joint program (T-CiRA), Fujisawa, Japan.
| | - Takeshi Hatani
- Centre for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - Chikako Okubo
- Centre for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - Yohei Nishi
- Centre for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - Yuta Tsujisaka
- Centre for iPS Cell Research and Application, Kyoto University, Kyoto, Japan; Department of Cardiovascular Medicine, Kyoto University Hospital, Kyoto, Japan
| | - Misato Nishikawa
- Centre for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - Megumi Narita
- Centre for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - Akira Ohta
- Centre for iPS Cell Research and Application, Kyoto University, Kyoto, Japan
| | - Takeshi Kimura
- Department of Cardiovascular Medicine, Kyoto University Hospital, Kyoto, Japan
| | - Yoshinori Yoshida
- Centre for iPS Cell Research and Application, Kyoto University, Kyoto, Japan; Takeda-CiRA Joint program (T-CiRA), Fujisawa, Japan.
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Bock-Marquette I, Maar K, Maar S, Lippai B, Faskerti G, Gallyas F, Olson EN, Srivastava D. Thymosin beta-4 denotes new directions towards developing prosperous anti-aging regenerative therapies. Int Immunopharmacol 2023; 116:109741. [PMID: 36709593 DOI: 10.1016/j.intimp.2023.109741] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/28/2023]
Abstract
Our dream of defeating the processes of organ damage and aging remains a challenge scientists pursued for hundreds of years. Although the goal is to successfully treat the body as a whole, steps towards regenerating individual organs are even considered significant. Since initial approaches utilizing only progenitor cells appear limited, we propose interconnecting our collective knowledge regarding aging and embryonic development may lead to the discovery of molecules which provide alternatives to effectively reverse cellular damage. In this review, we introduce and summarize our results regarding Thymosin beta-4 (TB4) to support our hypothesis using the heart as model system. Accordingly, we investigated the developmental expression of TB4 in mouse embryos and determined the impact of the molecule in adult animals by systemically injecting the peptide following acute cardiac infarction or with no injury. Our results proved, TB4 is expressed in the developing heart and promotes cardiac cell migration and survival. In adults, the peptide enhances myocyte survival and improves cardiac function after coronary artery ligation. Moreover, intravenous injections of TB4 alter the morphology of the adult epicardium, and the changes resemble the characteristics of the embryo. Reactivation of the embryonic program became equally reflected by the increased number of cardiac vessels and by the alteration of the gene expression profile typical of the embryonic state. Moreover, we discovered TB4 is capable of epicardial progenitor activation, and revealed the effect is independent of hypoxic injury. By observing the above results, we believe, further discoveries and consequential postnatal administration of developmentally relevant candidate molecules such as TB4 may likely result in reversing aging processes and accelerate organ regeneration in the human body.
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Affiliation(s)
- Ildiko Bock-Marquette
- Department of Biochemistry and Medical Chemistry, University of Pecs, Medical School, Pecs H-7624, Hungary; Szentagothai Research Centre, Research Group of Regenerative Science, Sport and Medicine, University of Pecs, Pecs H-7624, Hungary.
| | - Klaudia Maar
- Department of Biochemistry and Medical Chemistry, University of Pecs, Medical School, Pecs H-7624, Hungary; Szentagothai Research Centre, Research Group of Regenerative Science, Sport and Medicine, University of Pecs, Pecs H-7624, Hungary
| | - Szabolcs Maar
- Department of Biochemistry and Medical Chemistry, University of Pecs, Medical School, Pecs H-7624, Hungary; Szentagothai Research Centre, Research Group of Regenerative Science, Sport and Medicine, University of Pecs, Pecs H-7624, Hungary
| | - Balint Lippai
- Department of Biochemistry and Medical Chemistry, University of Pecs, Medical School, Pecs H-7624, Hungary; Szentagothai Research Centre, Research Group of Regenerative Science, Sport and Medicine, University of Pecs, Pecs H-7624, Hungary
| | - Gabor Faskerti
- Department of Biochemistry and Medical Chemistry, University of Pecs, Medical School, Pecs H-7624, Hungary; Szentagothai Research Centre, Research Group of Regenerative Science, Sport and Medicine, University of Pecs, Pecs H-7624, Hungary
| | - Ferenc Gallyas
- Department of Biochemistry and Medical Chemistry, University of Pecs, Medical School, Pecs H-7624, Hungary; Szentagothai Research Centre, Research Group of Regenerative Science, Sport and Medicine, University of Pecs, Pecs H-7624, Hungary
| | - Eric N Olson
- Department of Molecular Biology, Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Deepak Srivastava
- Gladstone Institute of Cardiovascular Disease and Roddenberry Stem Cell Center, Department of Biochemistry & Biophysics, University of California San Francisco, San Francisco, CA 94158, USA
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10
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Jang J, Song G, Pettit SM, Li Q, Song X, Cai CL, Kaushal S, Li D. Epicardial HDAC3 Promotes Myocardial Growth Through a Novel MicroRNA Pathway. Circ Res 2022; 131:151-164. [PMID: 35722872 PMCID: PMC9308743 DOI: 10.1161/circresaha.122.320785] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Establishment of the myocardial wall requires proper growth cues from nonmyocardial tissues. During heart development, the epicardium and epicardium-derived cells instruct myocardial growth by secreting essential factors including FGF (fibroblast growth factor) 9 and IGF (insulin-like growth factor) 2. However, it is poorly understood how the epicardial secreted factors are regulated, in particular by chromatin modifications for myocardial formation. The current study is to investigate whether and how HDAC (histone deacetylase) 3 in the developing epicardium regulates myocardial growth. METHODS Various cellular and mouse models in conjunction with biochemical and molecular tools were employed to study the role of HDAC3 in the developing epicardium. RESULTS We deleted Hdac3 in the developing murine epicardium, and mutant hearts showed ventricular myocardial wall hypoplasia with reduction of epicardium-derived cells. The cultured embryonic cardiomyocytes with supernatants from Hdac3 knockout (KO) mouse epicardial cells also showed decreased proliferation. Genome-wide transcriptomic analysis revealed that Fgf9 and Igf2 were significantly downregulated in Hdac3 KO mouse epicardial cells. We further found that Fgf9 and Igf2 expression is dependent on HDAC3 deacetylase activity. The supplementation of FGF9 or IGF2 can rescue the myocardial proliferation defects treated by Hdac3 KO supernatant. Mechanistically, we identified that microRNA (miR)-322 and miR-503 were upregulated in Hdac3 KO mouse epicardial cells and Hdac3 epicardial KO hearts. Overexpression of miR-322 or miR-503 repressed FGF9 and IGF2 expression, while knockdown of miR-322 or miR-503 restored FGF9 and IGF2 expression in Hdac3 KO mouse epicardial cells. CONCLUSIONS Our findings reveal a critical signaling pathway in which epicardial HDAC3 promotes compact myocardial growth by stimulating FGF9 and IGF2 through repressing miR-322 or miR-503, providing novel insights in elucidating the etiology of congenital heart defects and conceptual strategies to promote myocardial regeneration.
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Affiliation(s)
- Jihyun Jang
- Center for Vascular and Inflammation Diseases, University of Maryland School of Medicine, Baltimore, MD 21201
- Department of Cardiac Surgery, University of Maryland School of Medicine, Baltimore, MD 21201
| | - Guang Song
- Center for Vascular and Inflammation Diseases, University of Maryland School of Medicine, Baltimore, MD 21201
- Department of Cardiac Surgery, University of Maryland School of Medicine, Baltimore, MD 21201
| | - Sarah M. Pettit
- Center for Vascular and Inflammation Diseases, University of Maryland School of Medicine, Baltimore, MD 21201
- Department of Cardiac Surgery, University of Maryland School of Medicine, Baltimore, MD 21201
| | - Qinshan Li
- Center for Vascular and Inflammation Diseases, University of Maryland School of Medicine, Baltimore, MD 21201
- Department of Cardiac Surgery, University of Maryland School of Medicine, Baltimore, MD 21201
| | - Xiaosu Song
- Center for Vascular and Inflammation Diseases, University of Maryland School of Medicine, Baltimore, MD 21201
- Department of Cardiac Surgery, University of Maryland School of Medicine, Baltimore, MD 21201
| | - Chen-leng Cai
- Department of Pediatrics, Herman Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46201
| | - Sunjay Kaushal
- Division of Cardiovascular-Thoracic Surgery, Ann & Robert H. Lurie Children’s Hospital of Chicago, Northwestern University Feinberg School of Medicine, Chicago, IL 60611
| | - Deqiang Li
- Center for Vascular and Inflammation Diseases, University of Maryland School of Medicine, Baltimore, MD 21201
- Department of Cardiac Surgery, University of Maryland School of Medicine, Baltimore, MD 21201
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11
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Rao KS, Kloppenburg JE, Marquis T, Solomon L, McElroy-Yaggy KL, Spees JL. CTGF-D4 Amplifies LRP6 Signaling to Promote Grafts of Adult Epicardial-derived Cells That Improve Cardiac Function After Myocardial Infarction. Stem Cells 2022; 40:204-214. [PMID: 35257185 PMCID: PMC9199845 DOI: 10.1093/stmcls/sxab016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 11/24/2020] [Indexed: 01/26/2023]
Abstract
Transplantation of stem/progenitor cells holds promise for cardiac regeneration in patients with myocardial infarction (MI). Currently, however, low cell survival and engraftment after transplantation present a major barrier to many forms of cell therapy. One issue is that ligands, receptors, and signaling pathways that promote graft success remain poorly understood. Here, we prospectively isolate uncommitted epicardial cells from the adult heart surface by CD104 (β-4 integrin) and demonstrate that C-terminal peptide from connective tissue growth factor (CTGF-D4), when combined with insulin, effectively primes epicardial-derived cells (EPDC) for cardiac engraftment after MI. Similar to native epicardial derivatives that arise from epicardial EMT at the heart surface, the grafted cells migrated into injured myocardial tissue in a rat model of MI with reperfusion. By echocardiography, at 1 month after MI, we observed significant improvement in cardiac function for animals that received epicardial cells primed with CTGF-D4/insulin compared with those that received vehicle-primed (control) cells. In the presence of insulin, CTGF-D4 treatment significantly increased the phosphorylation of Wnt co-receptor LRP6 on EPDC. Competitive engraftment assays and neutralizing/blocking studies showed that LRP6 was required for EPDC engraftment after transplantation. Our results identify LRP6 as a key target for increasing EPDC engraftment after MI and suggest amplification of LRP6 signaling with CTGF-D4/insulin, or by other means, may provide an effective approach for achieving successful cellular grafts in regenerative medicine.
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Affiliation(s)
- Krithika S Rao
- Department of Medicine, Stem Cell Core, University of Vermont, Colchester, VT 05446, USA
- Cardiovascular Research Institute, University of Vermont, Colchester, VT 05446, USA
| | - Jessica E Kloppenburg
- Department of Medicine, Stem Cell Core, University of Vermont, Colchester, VT 05446, USA
| | - Taylor Marquis
- Department of Medicine, Stem Cell Core, University of Vermont, Colchester, VT 05446, USA
| | - Laura Solomon
- Department of Medicine, Stem Cell Core, University of Vermont, Colchester, VT 05446, USA
| | - Keara L McElroy-Yaggy
- Department of Medicine, Stem Cell Core, University of Vermont, Colchester, VT 05446, USA
- Cardiovascular Research Institute, University of Vermont, Colchester, VT 05446, USA
| | - Jeffrey L Spees
- Department of Medicine, Stem Cell Core, University of Vermont, Colchester, VT 05446, USA
- Cardiovascular Research Institute, University of Vermont, Colchester, VT 05446, USA
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12
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CDH18 is a fetal epicardial biomarker regulating differentiation towards vascular smooth muscle cells. NPJ Regen Med 2022; 7:14. [PMID: 35110584 PMCID: PMC8810917 DOI: 10.1038/s41536-022-00207-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 12/20/2021] [Indexed: 11/08/2022] Open
Abstract
The epicardium is a mesothelial layer covering the myocardium serving as a progenitor source during cardiac development. The epicardium reactivates upon cardiac injury supporting cardiac repair and regeneration. Fine-tuned balanced signaling regulates cell plasticity and cell-fate decisions of epicardial-derived cells (EPCDs) via epicardial-to-mesenchymal transition (EMT). However, powerful tools to investigate epicardial function, including markers with pivotal roles in developmental signaling, are still lacking. Here, we recapitulated epicardiogenesis using human induced pluripotent stem cells (hiPSCs) and identified type II classical cadherin CDH18 as a biomarker defining lineage specification in human active epicardium. The loss of CDH18 led to the onset of EMT and specific differentiation towards cardiac smooth muscle cells. Furthermore, GATA4 regulated epicardial CDH18 expression. These results highlight the importance of tracing CDH18 expression in hiPSC-derived epicardial cells, providing a model for investigating epicardial function in human development and disease and enabling new possibilities for regenerative medicine.
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13
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Maselli D, Matos RS, Johnson RD, Chiappini C, Camelliti P, Campagnolo P. Epicardial slices: an innovative 3D organotypic model to study epicardial cell physiology and activation. NPJ Regen Med 2022; 7:7. [PMID: 35039552 PMCID: PMC8764051 DOI: 10.1038/s41536-021-00202-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 11/30/2021] [Indexed: 11/26/2022] Open
Abstract
The epicardium constitutes an untapped reservoir for cardiac regeneration. Upon heart injury, the adult epicardium re-activates, leading to epithelial-to-mesenchymal transition (EMT), migration, and differentiation. While interesting mechanistic and therapeutic findings arose from lower vertebrates and rodent models, the introduction of an experimental system representative of large mammals would undoubtedly facilitate translational advancements. Here, we apply innovative protocols to obtain living 3D organotypic epicardial slices from porcine hearts, encompassing the epicardial/myocardial interface. In culture, our slices preserve the in vivo architecture and functionality, presenting a continuous epicardium overlaying a healthy and connected myocardium. Upon thymosin β4 treatment of the slices, the epicardial cells become activated, upregulating epicardial and EMT genes, resulting in epicardial cell mobilization and differentiation into epicardial-derived mesenchymal cells. Our 3D organotypic model enables to investigate the reparative potential of the adult epicardium, offering an advanced tool to explore ex vivo the complex 3D interactions occurring within the native heart environment.
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Affiliation(s)
- D Maselli
- Faculty of Health & Medical Sciences, School of Biosciences & Medicine, Section of Cardiovascular Sciences, University of Surrey, Guildford, GU2 7XH, UK
| | - R S Matos
- Faculty of Health & Medical Sciences, School of Biosciences & Medicine, Section of Cardiovascular Sciences, University of Surrey, Guildford, GU2 7XH, UK
| | - R D Johnson
- Faculty of Health & Medical Sciences, School of Biosciences & Medicine, Section of Cardiovascular Sciences, University of Surrey, Guildford, GU2 7XH, UK
| | - C Chiappini
- Centre for Craniofacial and Regenerative Biology, King's College London, SE1 9RT, London, United Kingdom
| | - P Camelliti
- Faculty of Health & Medical Sciences, School of Biosciences & Medicine, Section of Cardiovascular Sciences, University of Surrey, Guildford, GU2 7XH, UK
| | - P Campagnolo
- Faculty of Health & Medical Sciences, School of Biosciences & Medicine, Section of Cardiovascular Sciences, University of Surrey, Guildford, GU2 7XH, UK.
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14
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Dronkers E, van Herwaarden T, van Brakel TJ, Sanchez-Duffhues G, Goumans MJ, Smits AM. Activin A and ALK4 Identified as Novel Regulators of Epithelial to Mesenchymal Transition (EMT) in Human Epicardial Cells. Front Cell Dev Biol 2021; 9:765007. [PMID: 34977017 PMCID: PMC8716764 DOI: 10.3389/fcell.2021.765007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 11/08/2021] [Indexed: 11/13/2022] Open
Abstract
The epicardium, the mesothelial layer covering the heart, is a crucial cell source for cardiac development and repair. It provides cells and biochemical signals to the heart to facilitate vascularization and myocardial growth. An essential element of epicardial behavior is epicardial epithelial to mesenchymal transition (epiMT), which is the initial step for epicardial cells to become motile and invade the myocardium. To identify targets to optimize epicardium-driven repair of the heart, it is vital to understand which pathways are involved in the regulation of epiMT. Therefore, we established a cell culture model for human primary adult and fetal epiMT, which allows for parallel testing of inhibitors and stimulants of specific pathways. Using this approach, we reveal Activin A and ALK4 signaling as novel regulators of epiMT, independent of the commonly accepted EMT inducer TGFβ. Importantly, Activin A was able to induce epicardial invasion in cultured embryonic mouse hearts. Our results identify Activin A/ALK4 signaling as a modulator of epicardial plasticity which may be exploitable in cardiac regenerative medicine.
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Affiliation(s)
- Esther Dronkers
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Tessa van Herwaarden
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Thomas J van Brakel
- Department of Cardiothoracic Surgery, Leiden University Medical Center, Leiden, Netherlands
| | | | - Marie-José Goumans
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
| | - Anke M Smits
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
- *Correspondence: Anke M Smits,
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15
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Wiesinger A, Boink GJJ, Christoffels VM, Devalla HD. Retinoic acid signaling in heart development: Application in the differentiation of cardiovascular lineages from human pluripotent stem cells. Stem Cell Reports 2021; 16:2589-2606. [PMID: 34653403 PMCID: PMC8581056 DOI: 10.1016/j.stemcr.2021.09.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 09/16/2021] [Accepted: 09/17/2021] [Indexed: 11/29/2022] Open
Abstract
Retinoic acid (RA) signaling plays an important role during heart development in establishing anteroposterior polarity, formation of inflow and outflow tract progenitors, and growth of the ventricular compact wall. RA is also utilized as a key ingredient in protocols designed for generating cardiac cell types from pluripotent stem cells (PSCs). This review discusses the role of RA in cardiogenesis, currently available protocols that employ RA for differentiation of various cardiovascular lineages, and plausible transcriptional mechanisms underlying this fate specification. These insights will inform further development of desired cardiac cell types from human PSCs and their application in preclinical and clinical research.
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Affiliation(s)
- Alexandra Wiesinger
- Department of Medical Biology, Amsterdam University Medical Centers, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands
| | - Gerard J J Boink
- Department of Medical Biology, Amsterdam University Medical Centers, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands; Department of Cardiology, Amsterdam University Medical Centers, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands
| | - Vincent M Christoffels
- Department of Medical Biology, Amsterdam University Medical Centers, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands
| | - Harsha D Devalla
- Department of Medical Biology, Amsterdam University Medical Centers, Meibergdreef 9, 1105 AZ Amsterdam, the Netherlands.
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16
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Streef TJ, Smits AM. Epicardial Contribution to the Developing and Injured Heart: Exploring the Cellular Composition of the Epicardium. Front Cardiovasc Med 2021; 8:750243. [PMID: 34631842 PMCID: PMC8494983 DOI: 10.3389/fcvm.2021.750243] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 08/30/2021] [Indexed: 12/15/2022] Open
Abstract
The epicardium is an essential cell population during cardiac development. It contributes different cell types to the developing heart through epithelial-to-mesenchymal transition (EMT) and it secretes paracrine factors that support cardiac tissue formation. In the adult heart the epicardium is a quiescent layer of cells which can be reactivated upon ischemic injury, initiating an embryonic-like response in the epicardium that contributes to post-injury repair processes. Therefore, the epicardial layer is considered an interesting target population to stimulate endogenous repair mechanisms. To date it is still not clear whether there are distinct cell populations in the epicardium that contribute to specific lineages or aid in cardiac repair, or that the epicardium functions as a whole. To address this putative heterogeneity, novel techniques such as single cell RNA sequencing (scRNA seq) are being applied. In this review, we summarize the role of the epicardium during development and after injury and provide an overview of the most recent insights into the cellular composition and diversity of the epicardium.
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Affiliation(s)
| | - Anke M. Smits
- Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands
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17
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Abdulrazzak H, Ruiz-Lozano P, Emanueli C. Epicardium-derived extracellular vesicles: a promising avenue for cardiac regeneration. Cardiovasc Res 2021; 118:350-352. [PMID: 34270684 DOI: 10.1093/cvr/cvab223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
| | - Pilar Ruiz-Lozano
- National Heart and Lung Institute, Imperial College London, London, UK.,Regencor Inc, San Carlos, California, USA
| | - Costanza Emanueli
- National Heart and Lung Institute, Imperial College London, London, UK
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18
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Dergilev KV, Tsokolaeva ZI, Vasilets YD, Beloglazova IB, Kulbitsky BN, Parfyonova YV. Hypoxia - as a Possible Regulator of the Activity of Epicardial Mesothelial Cells After Myocardial Infarction. ACTA ACUST UNITED AC 2021; 61:59-68. [PMID: 34311689 DOI: 10.18087/cardio.2021.6.n1476] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 02/02/2021] [Accepted: 02/26/2021] [Indexed: 11/18/2022]
Abstract
Aim To study the effect of hypoxia on the activity of epithelial-mesenchymal transition (EMT) in epicardial cells, which provides formation of a specialized microenvironment.Material and methods This study used a model of experimental myocardial infarction created by ligation of the anterior descendent coronary artery. The activity of epicardial cells after a hypoxic exposure was studied with the hypoxia marker, pimonidazole, bromodeoxyuridine, immunofluorescent staining of heart cryosections, and in vitro mesothelial cell culture.Results The undamaged heart maintained the quiescent condition of mesothelial cells and low levels of their proliferation, extracellular matrix protein production, and of the EMT activity. Acute ischemic injury induced moderate hypoxia in the epicardial/subepicardial region. This caused a global rearrangement of this region due to the initiation of EMT in cells, changes in the cell composition, and accumulation of extracellular matrix proteins. We found that the initiation of EMT in mesothelial cells may result in the formation of smooth muscle cell precursors, fibroblasts, and a population of Sca-1+ cardiac progenitor cells, which may both participate in construction of new blood vessels and serve as a mesenchymal link for the paracrine support of microenvironmental cells. In in vitro experiments, we showed that 72‑h hypoxia facilitated activation of EMT regulatory genes, induced dissembling of intercellular contacts, cell uncoupling, and increased cell plasticity.Conclusion The epicardium of an adult heart serves as a "reparative reserve" that can be reactivated by a hypoxic exposure. This creates a basis for an approach to influence the epicardium to modulate its activity for regulating reparative processes.
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Affiliation(s)
- K V Dergilev
- Angiogenesis Laboratory, National Medical Research Center for Cardiology, Moscow
| | - Z I Tsokolaeva
- Angiogenesis Laboratory, National Medical Research Center for Cardiology, Moscow; V. A. Negovsky Research Institute of General Reanimatology, Moscow
| | - Yu D Vasilets
- Angiogenesis Laboratory, National Medical Research Center for Cardiology, Moscow
| | - I B Beloglazova
- Angiogenesis Laboratory, National Medical Research Center for Cardiology, Moscow
| | - B N Kulbitsky
- Hospital for War Veterans №3 of the Moscow City Health Department, Moscow
| | - Ye V Parfyonova
- Angiogenesis Laboratory, National Medical Research Center for Cardiology, Moscow; Moscow State University, Faculty of Basic Medicine, Laboratory of Postgenomic Technologies in Medicine, Moscow
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19
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Funakoshi S, Fernandes I, Mastikhina O, Wilkinson D, Tran T, Dhahri W, Mazine A, Yang D, Burnett B, Lee J, Protze S, Bader GD, Nunes SS, Laflamme M, Keller G. Generation of mature compact ventricular cardiomyocytes from human pluripotent stem cells. Nat Commun 2021; 12:3155. [PMID: 34039977 PMCID: PMC8155185 DOI: 10.1038/s41467-021-23329-z] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 04/18/2021] [Indexed: 02/08/2023] Open
Abstract
Compact cardiomyocytes that make up the ventricular wall of the adult heart represent an important therapeutic target population for modeling and treating cardiovascular diseases. Here, we established a differentiation strategy that promotes the specification, proliferation and maturation of compact ventricular cardiomyocytes from human pluripotent stem cells (hPSCs). The cardiomyocytes generated under these conditions display the ability to use fatty acids as an energy source, a high mitochondrial mass, well-defined sarcomere structures and enhanced contraction force. These ventricular cells undergo metabolic changes indicative of those associated with heart failure when challenged in vitro with pathological stimuli and were found to generate grafts consisting of more mature cells than those derived from immature cardiomyocytes following transplantation into infarcted rat hearts. hPSC-derived atrial cardiomyocytes also responded to the maturation cues identified in this study, indicating that the approach is broadly applicable to different subtypes of the heart. Collectively, these findings highlight the power of recapitulating key aspects of embryonic and postnatal development for generating therapeutically relevant cell types from hPSCs. Cardiomyocytes of heart ventricles consist of subpopulations of trabecular and compact subtypes. Here the authors describe the generation of structurally, metabolically and functionally mature compact ventricular cardiomyocytes as well as mature atrial cardiomyocytes from human pluripotent stem cells.
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Affiliation(s)
- Shunsuke Funakoshi
- McEwen Stem Cell Institute, University Health Network, Toronto, ON, Canada
| | - Ian Fernandes
- McEwen Stem Cell Institute, University Health Network, Toronto, ON, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
| | - Olya Mastikhina
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada
| | | | - Thinh Tran
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Wahiba Dhahri
- McEwen Stem Cell Institute, University Health Network, Toronto, ON, Canada
| | - Amine Mazine
- McEwen Stem Cell Institute, University Health Network, Toronto, ON, Canada.,Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada
| | - Donghe Yang
- McEwen Stem Cell Institute, University Health Network, Toronto, ON, Canada.,Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
| | | | | | - Stephanie Protze
- McEwen Stem Cell Institute, University Health Network, Toronto, ON, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada
| | - Gary D Bader
- Department of Molecular Genetics, University of Toronto, Toronto, ON, Canada.,Department of Computer Science, University of Toronto, Toronto, ON, Canada.,The Donnelly Centre, University of Toronto, Toronto, ON, Canada
| | - Sara S Nunes
- Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada.,Institute of Biomedical Engineering, University of Toronto, Toronto, ON, Canada.,Laboratory of Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.,Heart & Stroke/Richard Lewar Centre of Excellence, University of Toronto, Toronto, ON, Canada
| | - Michael Laflamme
- McEwen Stem Cell Institute, University Health Network, Toronto, ON, Canada.,Laboratory of Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.,Peter Munk Cardiac Centre, University Health Network, Toronto, ON, Canada
| | - Gordon Keller
- McEwen Stem Cell Institute, University Health Network, Toronto, ON, Canada. .,Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada.
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20
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Abstract
Cardiac development is a complex developmental process that is initiated soon after gastrulation, as two sets of precardiac mesodermal precursors are symmetrically located and subsequently fused at the embryonic midline forming the cardiac straight tube. Thereafter, the cardiac straight tube invariably bends to the right, configuring the first sign of morphological left–right asymmetry and soon thereafter the atrial and ventricular chambers are formed, expanded and progressively septated. As a consequence of all these morphogenetic processes, the fetal heart acquired a four-chambered structure having distinct inlet and outlet connections and a specialized conduction system capable of directing the electrical impulse within the fully formed heart. Over the last decades, our understanding of the morphogenetic, cellular, and molecular pathways involved in cardiac development has exponentially grown. Multiples aspects of the initial discoveries during heart formation has served as guiding tools to understand the etiology of cardiac congenital anomalies and adult cardiac pathology, as well as to enlighten novels approaches to heal the damaged heart. In this review we provide an overview of the complex cellular and molecular pathways driving heart morphogenesis and how those discoveries have provided new roads into the genetic, clinical and therapeutic management of the diseased hearts.
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21
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Fabrication of fluorescent nanospheres by heating PEGylated tetratyrosine nanofibers. Sci Rep 2021; 11:2470. [PMID: 33510221 PMCID: PMC7844296 DOI: 10.1038/s41598-020-79396-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 11/20/2020] [Indexed: 02/06/2023] Open
Abstract
Aromatic polypeptides have recently drawn the interest of the research community for their capability to self-assemble into a variety of functional nanostructures. Due to their interesting mechanical, electrical and optical properties, these nanostructures have been proposed as innovative materials in different biomedical, biotechnological and industrial fields. Recently, several efforts have been employed in the development of these innovative materials as nanoscale fluorescence (FL) imaging probes. In this context, we describe the synthesis and the functional properties of a novel fluorescent tyrosine (Tyr, Y)-based nanospheres, obtained by heating at 200 °C a solution of the PEGylated tetra-peptide PEG6-Y4. At room temperature, this peptide self-assembles into not fluorescent low ordered water-soluble fibrillary aggregates. After heating, the aggregation of different polyphenolic species generates Y4-based nanospheres able to emit FL into blue, green and red spectral regions, both in solution and at the solid state. The aggregation features of PEG6-Y4 before and after heating were studied using a set of complementary techniques (Fluorescence, CD, FT-IR, Small and Wide-Angle X-ray Scattering and SEM). After a deep investigation of their optoelectronic properties, these nanospheres could be exploited as promising tools for precise biomedicine in advanced nanomedical technologies (local bioimaging, light diagnostics, therapy, optogenetics and health monitoring).
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22
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Abstract
Cardiac fibroblasts and fibrosis contribute to the pathogenesis of heart failure, a prevalent cause of mortality. Therefore, a majority of the existing information regarding cardiac fibroblasts is focused on their function and behavior after heart injury. Less is understood about the signaling and transcriptional networks required for the development and homeostatic roles of these cells. This review is devoted to describing our current understanding of cardiac fibroblast development. I detail cardiac fibroblast formation during embryogenesis including the discovery of a second embryonic origin for cardiac fibroblasts. Additional information is provided regarding the roles of the genes essential for cardiac fibroblast development. It should be noted that many questions remain regarding the cell-fate specification of these fibroblast progenitors, and it is hoped that this review will provide a basis for future studies regarding this topic.
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23
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Dronkers E, Wauters MMM, Goumans MJ, Smits AM. Epicardial TGFβ and BMP Signaling in Cardiac Regeneration: What Lesson Can We Learn from the Developing Heart? Biomolecules 2020; 10:biom10030404. [PMID: 32150964 PMCID: PMC7175296 DOI: 10.3390/biom10030404] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 02/29/2020] [Accepted: 03/02/2020] [Indexed: 12/31/2022] Open
Abstract
The epicardium, the outer layer of the heart, has been of interest in cardiac research due to its vital role in the developing and diseased heart. During development, epicardial cells are active and supply cells and paracrine cues to the myocardium. In the injured adult heart, the epicardium is re-activated and recapitulates embryonic behavior that is essential for a proper repair response. Two indispensable processes for epicardial contribution to heart tissue formation are epithelial to mesenchymal transition (EMT), and tissue invasion. One of the key groups of cytokines regulating both EMT and invasion is the transforming growth factor β (TGFβ) family, including TGFβ and Bone Morphogenetic Protein (BMP). Abundant research has been performed to understand the role of TGFβ family signaling in the developing epicardium. However, less is known about signaling in the adult epicardium. This review provides an overview of the current knowledge on the role of TGFβ in epicardial behavior both in the development and in the repair of the heart. We aim to describe the presence of involved ligands and receptors to establish if and when signaling can occur. Finally, we discuss potential targets to improve the epicardial contribution to cardiac repair as a starting point for future investigation.
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24
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Abstract
The epicardium, the outermost tissue layer that envelops all vertebrate hearts, plays a crucial role in cardiac development and regeneration and has been implicated in potential strategies for cardiac repair. The heterogenous cell population that composes the epicardium originates primarily from a transient embryonic cell cluster known as the proepicardial organ (PE). Characterized by its high cellular plasticity, the epicardium contributes to both heart development and regeneration in two critical ways: as a source of progenitor cells and as a critical signaling hub. Despite this knowledge, there are many unanswered questions in the field of epicardial biology, the resolution of which will advance the understanding of cardiac development and repair. We review current knowledge in cross-species epicardial involvement, specifically in relation to lineage specification and differentiation during cardiac development.
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Affiliation(s)
- Yingxi Cao
- Cardiovascular Research Institute, Department of Cell and Developmental Biology, Weill Cornell Medical College, Cornell University, New York, New York 10021, USA
| | - Sierra Duca
- Cardiovascular Research Institute, Department of Cell and Developmental Biology, Weill Cornell Medical College, Cornell University, New York, New York 10021, USA
| | - Jingli Cao
- Cardiovascular Research Institute, Department of Cell and Developmental Biology, Weill Cornell Medical College, Cornell University, New York, New York 10021, USA
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25
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Abstract
The heart is lined by a single layer of mesothelial cells called the epicardium that provides important cellular contributions for embryonic heart formation. The epicardium harbors a population of progenitor cells that undergo epithelial-to-mesenchymal transition displaying characteristic conversion of planar epithelial cells into multipolar and invasive mesenchymal cells before differentiating into nonmyocyte cardiac lineages, such as vascular smooth muscle cells, pericytes, and fibroblasts. The epicardium is also a source of paracrine cues that are essential for fetal cardiac growth, coronary vessel patterning, and regenerative heart repair. Although the epicardium becomes dormant after birth, cardiac injury reactivates developmental gene programs that stimulate epithelial-to-mesenchymal transition; however, it is not clear how the epicardium contributes to disease progression or repair in the adult. In this review, we will summarize the molecular mechanisms that control epicardium-derived progenitor cell migration, and the functional contributions of the epicardium to heart formation and cardiomyopathy. Future perspectives will be presented to highlight emerging therapeutic strategies aimed at harnessing the regenerative potential of the fetal epicardium for cardiac repair.
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Affiliation(s)
- Pearl Quijada
- From the Aab Cardiovascular Research Institute (P.Q., E.M.S.), University of Rochester, School of Medicine and Dentistry, Rochester, NY.,Department of Medicine (P.Q., E.M.S.), University of Rochester, School of Medicine and Dentistry, Rochester, NY
| | | | - Eric M Small
- From the Aab Cardiovascular Research Institute (P.Q., E.M.S.), University of Rochester, School of Medicine and Dentistry, Rochester, NY.,Department of Medicine (P.Q., E.M.S.), University of Rochester, School of Medicine and Dentistry, Rochester, NY
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26
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Wu Y, Liu X, Zheng H, Zhu H, Mai W, Huang X, Huang Y. Multiple Roles of sFRP2 in Cardiac Development and Cardiovascular Disease. Int J Biol Sci 2020; 16:730-738. [PMID: 32071544 PMCID: PMC7019133 DOI: 10.7150/ijbs.40923] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Accepted: 12/14/2019] [Indexed: 12/13/2022] Open
Abstract
The Wnt signaling pathway plays important roles in organ development and disease processes. Secreted frizzled-related protein 2 (sFRP2), a vital molecule of Wnt signaling, can regulate cardiac development and cardiovascular disease. Recent studies have suggested that sFRP2 is not only an antagonist of the canonical Wnt signaling pathway, but also has a more complex relationship in myocardial fibrosis, angiogenesis, cardiac hypertrophy and cardiac regeneration. Here, we review the role of sFRP2 and Wnt signaling in cardiac development and cardiovascular disease.
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Affiliation(s)
- Yu Wu
- Department of Cardiology, Shunde hospital, Southern Medical University, Jiazi Road 1 Lunjiao Town, Shunde District, Foshan, Guangdong, 528308, China
| | - Xinyue Liu
- Department of Cardiology, Shunde hospital, Southern Medical University, Jiazi Road 1 Lunjiao Town, Shunde District, Foshan, Guangdong, 528308, China
| | - Haoxiao Zheng
- Department of Cardiology, Shunde hospital, Southern Medical University, Jiazi Road 1 Lunjiao Town, Shunde District, Foshan, Guangdong, 528308, China
| | - Hailan Zhu
- Department of Cardiology, Shunde hospital, Southern Medical University, Jiazi Road 1 Lunjiao Town, Shunde District, Foshan, Guangdong, 528308, China
| | - Weiyi Mai
- Department of Cardiology, The First Affiliated Hospital of Sun Yat-sen University, 510080, Guangzhou
| | - Xiaohui Huang
- Department of Cardiology, Shunde hospital, Southern Medical University, Jiazi Road 1 Lunjiao Town, Shunde District, Foshan, Guangdong, 528308, China
| | - Yuli Huang
- Department of Cardiology, Shunde hospital, Southern Medical University, Jiazi Road 1 Lunjiao Town, Shunde District, Foshan, Guangdong, 528308, China.,The George Institute for Global Health, NSW 2042 Australia
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27
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Velecela V, Torres-Cano A, García-Melero A, Ramiro-Pareta M, Müller-Sánchez C, Segarra-Mondejar M, Chau YY, Campos-Bonilla B, Reina M, Soriano FX, Hastie ND, Martínez FO, Martínez-Estrada OM. Epicardial cell shape and maturation are regulated by Wt1 via transcriptional control of Bmp4. Development 2019; 146:146/20/dev178723. [PMID: 31624071 DOI: 10.1242/dev.178723] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 09/06/2019] [Indexed: 12/17/2022]
Abstract
The epicardium plays a crucial role in embryonic heart development and adult heart repair; however, the molecular events underlying its maturation remain unknown. Wt1, one of the main markers of the embryonic epicardium, is essential for epicardial development and function. Here, we analyse the transcriptomic profile of epicardial-enriched cells at different stages of development and from control and epicardial-specific Wt1 knockout (Wt1KO) mice. Transcriptomic and cell morphology analyses of epicardial cells from epicardial-specific Wt1KO mice revealed a defect in the maturation process of the mutant epicardium, including sustained upregulation of Bmp4 expression and the inability of mutant epicardial cells to transition into a mature squamous phenotype. We identified Bmp4 as a transcriptional target of Wt1, thus providing a molecular basis for the retention of the cuboidal cell shape observed in the Wt1KO epicardium. Accordingly, inhibition of the Bmp4 signalling pathway both ex vivo and in vivo rescued the cuboidal phenotype of the mutant epicardium. Our findings indicate the importance of the cuboidal-to-squamous transition in epicardial maturation, a process regulated by Wt1.
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Affiliation(s)
- Víctor Velecela
- Celltec-UB, Department of Cell Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Barcelona 08028, Spain.,MRC Human Genetics Unit, Institute of Genetics and Molecular Medicine, Edinburgh EH4 2XU, UK
| | - Alejo Torres-Cano
- Celltec-UB, Department of Cell Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Barcelona 08028, Spain.,Institute of Biomedicine (IBUB), University of Barcelona, Barcelona 08028, Spain
| | - Ana García-Melero
- Celltec-UB, Department of Cell Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Barcelona 08028, Spain.,Institute of Biomedicine (IBUB), University of Barcelona, Barcelona 08028, Spain
| | - Marina Ramiro-Pareta
- Celltec-UB, Department of Cell Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Barcelona 08028, Spain.,Institute of Biomedicine (IBUB), University of Barcelona, Barcelona 08028, Spain
| | - Claudia Müller-Sánchez
- Celltec-UB, Department of Cell Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Barcelona 08028, Spain
| | - Marc Segarra-Mondejar
- Celltec-UB, Department of Cell Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Barcelona 08028, Spain.,Institut de Neurociències, Universitat de Barcelona, Barcelona 08028, Spain
| | - You-Ying Chau
- Centre for Cardiovascular Science, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Begoña Campos-Bonilla
- Department of Basic Clinical Practice, University of Barcelona, Barcelona 08036, Spain
| | - Manuel Reina
- Celltec-UB, Department of Cell Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Barcelona 08028, Spain
| | - Francesc X Soriano
- Celltec-UB, Department of Cell Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Barcelona 08028, Spain.,Institut de Neurociències, Universitat de Barcelona, Barcelona 08028, Spain
| | - Nicholas D Hastie
- MRC Human Genetics Unit, Institute of Genetics and Molecular Medicine, Edinburgh EH4 2XU, UK
| | - Fernando O Martínez
- School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, UK
| | - Ofelia M Martínez-Estrada
- Celltec-UB, Department of Cell Biology, Physiology and Immunology, Faculty of Biology, University of Barcelona, Barcelona 08028, Spain .,Institute of Biomedicine (IBUB), University of Barcelona, Barcelona 08028, Spain
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28
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Abstract
Endothelial cells and mesenchymal cells are two different cell types with distinct morphologies, phenotypes, functions, and gene profiles. Accumulating evidence, notably from lineage-tracing studies, indicates that the two cell types convert into each other during cardiovascular development and pathogenesis. During heart development, endothelial cells transdifferentiate into mesenchymal cells in the endocardial cushion through endothelial-to-mesenchymal transition (EndoMT), a process that is critical for the formation of cardiac valves. Studies have also reported that EndoMT contributes to the development of various cardiovascular diseases, including myocardial infarction, cardiac fibrosis, valve calcification, endocardial elastofibrosis, atherosclerosis, and pulmonary arterial hypertension. Conversely, cardiac fibroblasts can transdifferentiate into endothelial cells and contribute to neovascularization after cardiac injury. However, progress in genetic lineage tracing has challenged the role of EndoMT, or its reversed programme, in the development of cardiovascular diseases. In this Review, we discuss the caveats of using genetic lineage-tracing technology to investigate cell-lineage conversion; we also reassess the role of EndoMT in cardiovascular development and diseases and elaborate on the molecular signals that orchestrate EndoMT in pathophysiological processes. Understanding the role and mechanisms of EndoMT in diseases will unravel the therapeutic potential of targeting this process and will provide a new paradigm for the development of regenerative medicine to treat cardiovascular diseases.
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29
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Lowe V, Wisniewski L, Sayers J, Evans I, Frankel P, Mercader-Huber N, Zachary IC, Pellet-Many C. Neuropilin 1 mediates epicardial activation and revascularization in the regenerating zebrafish heart. Development 2019; 146:dev.174482. [PMID: 31167777 PMCID: PMC6633600 DOI: 10.1242/dev.174482] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 05/14/2019] [Indexed: 01/13/2023]
Abstract
Unlike adult mammals, zebrafish can regenerate their heart. A key mechanism for regeneration is the activation of the epicardium, leading to the establishment of a supporting scaffold for new cardiomyocytes, angiogenesis and cytokine secretion. Neuropilins are co-receptors that mediate signaling of kinase receptors for cytokines with crucial roles in zebrafish heart regeneration. We investigated the role of neuropilins in response to cardiac injury and heart regeneration. All four neuropilin isoforms (nrp1a, nrp1b, nrp2a and nrp2b) were upregulated by the activated epicardium and an nrp1a-knockout mutant showed a significant delay in heart regeneration and displayed persistent collagen deposition. The regenerating hearts of nrp1a mutants were less vascularized, and epicardial-derived cell migration and re-expression of the developmental gene wt1b was impaired. Moreover, cryoinjury-induced activation and migration of epicardial cells in heart explants were reduced in nrp1a mutants. These results identify a key role for Nrp1 in zebrafish heart regeneration, mediated through epicardial activation, migration and revascularization.
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Affiliation(s)
- Vanessa Lowe
- Centre for Cardiovascular Biology and Medicine, Division of Medicine, The Rayne Building, University College London, London WC1E 6JJ, UK
| | - Laura Wisniewski
- Centre for Cardiovascular Biology and Medicine, Division of Medicine, The Rayne Building, University College London, London WC1E 6JJ, UK
| | - Jacob Sayers
- Centre for Cardiovascular Biology and Medicine, Division of Medicine, The Rayne Building, University College London, London WC1E 6JJ, UK
| | - Ian Evans
- Centre for Cardiovascular Biology and Medicine, Division of Medicine, The Rayne Building, University College London, London WC1E 6JJ, UK
| | - Paul Frankel
- Centre for Cardiovascular Biology and Medicine, Division of Medicine, The Rayne Building, University College London, London WC1E 6JJ, UK
| | - Nadia Mercader-Huber
- Department of Developmental Biology and Regeneration, Institut für Anatomie, Universität Bern, Baltzerstrasse 2, 3012 Bern, Switzerland
| | - Ian C Zachary
- Centre for Cardiovascular Biology and Medicine, Division of Medicine, The Rayne Building, University College London, London WC1E 6JJ, UK
| | - Caroline Pellet-Many
- Department of Comparative Biomedical Sciences, Royal Veterinary College, Royal College Street, London NW1 0TU, UK
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30
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Wang S, Moise AR. Recent insights on the role and regulation of retinoic acid signaling during epicardial development. Genesis 2019; 57:e23303. [PMID: 31066193 PMCID: PMC6682438 DOI: 10.1002/dvg.23303] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 04/23/2019] [Accepted: 04/24/2019] [Indexed: 12/18/2022]
Abstract
The vitamin A metabolite, retinoic acid, carries out essential and conserved roles in vertebrate heart development. Retinoic acid signals via retinoic acid receptors (RAR)/retinoid X receptors (RXRs) heterodimers to induce the expression of genes that control cell fate specification, proliferation, and differentiation. Alterations in retinoic acid levels are often associated with congenital heart defects. Therefore, embryonic levels of retinoic acid need to be carefully regulated through the activity of enzymes, binding proteins and transporters involved in vitamin A metabolism. Here, we review evidence of the complex mechanisms that control the fetal uptake and synthesis of retinoic acid from vitamin A precursors. Next, we highlight recent evidence of the role of retinoic acid in orchestrating myocardial compact zone growth and coronary vascular development.
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Affiliation(s)
- Suya Wang
- Department of Cardiology, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Alexander R. Moise
- Medical Sciences Division, Northern Ontario School of Medicine, Sudbury, ON P3E 2C6, Canada
- Departments of Chemistry and Biochemistry, and Biology and Biomolecular Sciences Program, Laurentian University, Sudbury, ON, P3E 2C6 Canada
- Department of Pharmacology and Toxicology, School of Pharmacy, University of Kansas, Lawrence, KS, 66045, USA
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31
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Omidi M, Niknahad H, Noorafshan A, Fardid R, Nadimi E, Naderi S, Bakhtari A, Mohammadi-Bardbori A. Co-exposure to an Aryl Hydrocarbon Receptor Endogenous Ligand, 6-Formylindolo[3,2-b]carbazole (FICZ), and Cadmium Induces Cardiovascular Developmental Abnormalities in Mice. Biol Trace Elem Res 2019; 187:442-451. [PMID: 29808276 DOI: 10.1007/s12011-018-1391-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 05/18/2018] [Indexed: 01/21/2023]
Abstract
6-Formylindolo[3,2-b]carbazole (FICZ) is a signal substance and an endogenous activator of aryl hydrocarbon receptor (AHR). Cadmium (Cd) is an environmental pollutant that can activate both AHR and Wnt/β-catenin signaling pathways. We aimed to determine how dysregulated signaling through AHR-Wnt/β-catenin cross-talk can influence mice heart development. Mice fetuses were exposed to Cd alone or in combination with FICZ in gestation day (GD) 0. In GD18, fetuses were harvested and randomly divided into two parts for stereological and molecular studies. Stereological and tessellation results revealed that when fetuses were co-exposed with FICZ and Cd, abnormalities were synergistically raised. In the presence of FICZ, mRNA expression levels of Wnt/β-catenin target genes significantly enhanced, especially when animals co-treated with FICZ and Cd. Based on these findings, we propose that chemical pollutants can interfere with the normal function of AHR that has a physiological role in regulating Wnt/β-catenin during cardiogenesis.
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Affiliation(s)
- Mahmoud Omidi
- Department of Pharmacology and Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hossein Niknahad
- Department of Pharmacology and Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ali Noorafshan
- Histomorphometry and Stereology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Departments of Anatomy, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Reza Fardid
- Department of Radiology, School of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Elham Nadimi
- Histomorphometry and Stereology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Immunology, Medical School, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Samaneh Naderi
- Diagnostic Laboratory Science and Technology Research Center, School of Paramedical Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Azizollah Bakhtari
- Department of Reproductive Biology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Afshin Mohammadi-Bardbori
- Department of Pharmacology and Toxicology, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran.
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32
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Lüdtke TH, Rudat C, Kurz J, Häfner R, Greulich F, Wojahn I, Aydoğdu N, Mamo TM, Kleppa MJ, Trowe MO, Bohnenpoll T, Taketo MM, Kispert A. Mesothelial mobilization in the developing lung and heart differs in timing, quantity, and pathway dependency. Am J Physiol Lung Cell Mol Physiol 2019; 316:L767-L783. [PMID: 30702346 DOI: 10.1152/ajplung.00212.2018] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
The mesothelial lining of the lung, the visceral pleura, and of the heart, the epicardium, derive from a common multipotent precursor tissue, the mesothelium of the embryonic thoracic cavity that also contributes to organ-specific mesenchymal cell types. Insight into mesothelial mobilization and differentiation has prevailedin the developing heart while the mesenchymal transition and fate of the visceral pleura are poorly understood. Here, we use the fact that the early mesothelium of both the lung and the heart expresses the transcription factor gene Wt1, to comparatively analyze mesothelial mobilization in the two organs by a genetic cre-loxP-based conditional approach. We show that epicardial cells are mobilized in a large number between E12.5 and E14.5, whereas pleural mobilization occurs only sporadically and variably in few regions of the lung in a temporally highly confined manner shortly after E12.5. Mesothelium-specific inactivation of unique pathway components using a Wt1creERT2 line excluded a requirement for canonical WNT, NOTCH, HH, TGFB, PDGFRA, and FGFR1/FGFR2 signaling in the mesenchymal transition of the visceral pleura but indicated a deleterious effect of activated WNT, NOTCH, and HH signaling on lung development. Epicardial mobilization was negatively impacted on by loss of HH, PDGFRA, FGFR1/2 signaling. Epicardial overactivation of WNT, NOTCH, and HH disturbed epicardial and myocardial integrity. We conclude that mesothelial mobilization in the developing lung and heart differs in timing, quantity and pathway dependency, indicating the organ specificity of the program.
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Affiliation(s)
- Timo H Lüdtke
- Institut für Molekularbiologie, Medizinische Hochschule Hannover, Hannover , Germany
| | - Carsten Rudat
- Institut für Molekularbiologie, Medizinische Hochschule Hannover, Hannover , Germany
| | - Jennifer Kurz
- Institut für Molekularbiologie, Medizinische Hochschule Hannover, Hannover , Germany
| | - Regine Häfner
- Institut für Molekularbiologie, Medizinische Hochschule Hannover, Hannover , Germany
| | - Franziska Greulich
- Institut für Molekularbiologie, Medizinische Hochschule Hannover, Hannover , Germany
| | - Irina Wojahn
- Institut für Molekularbiologie, Medizinische Hochschule Hannover, Hannover , Germany
| | - Nurullah Aydoğdu
- Institut für Molekularbiologie, Medizinische Hochschule Hannover, Hannover , Germany
| | - Tamrat M Mamo
- Institut für Molekularbiologie, Medizinische Hochschule Hannover, Hannover , Germany
| | - Marc-Jens Kleppa
- Institut für Molekularbiologie, Medizinische Hochschule Hannover, Hannover , Germany
| | - Mark-Oliver Trowe
- Institut für Molekularbiologie, Medizinische Hochschule Hannover, Hannover , Germany
| | - Tobias Bohnenpoll
- Institut für Molekularbiologie, Medizinische Hochschule Hannover, Hannover , Germany
| | - Makoto Mark Taketo
- Division of Experimental Therapeutics, Graduate School of Medicine, Kyoto University , Kyoto , Japan
| | - Andreas Kispert
- Institut für Molekularbiologie, Medizinische Hochschule Hannover, Hannover , Germany
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33
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Cao Y, Cao J. Covering and Re-Covering the Heart: Development and Regeneration of the Epicardium. J Cardiovasc Dev Dis 2018; 6:jcdd6010003. [PMID: 30586891 PMCID: PMC6463056 DOI: 10.3390/jcdd6010003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 12/13/2018] [Accepted: 12/19/2018] [Indexed: 12/23/2022] Open
Abstract
The epicardium, a mesothelial layer that envelops vertebrate hearts, has become a therapeutic target in cardiac repair strategies because of its vital role in heart development and cardiac injury response. Epicardial cells serve as a progenitor cell source and signaling center during both heart development and regeneration. The importance of the epicardium in cardiac repair strategies has been reemphasized by recent progress regarding its requirement for heart regeneration in zebrafish, and by the ability of patches with epicardial factors to restore cardiac function following myocardial infarction in mammals. The live surveillance of epicardial development and regeneration using zebrafish has provided new insights into this topic. In this review, we provide updated knowledge about epicardial development and regeneration.
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Affiliation(s)
- Yingxi Cao
- Cardiovascular Research Institute, Department of Cell and Developmental Biology, Weill Cornell Medical College, New York, NY 10021, USA.
| | - Jingli Cao
- Cardiovascular Research Institute, Department of Cell and Developmental Biology, Weill Cornell Medical College, New York, NY 10021, USA.
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34
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Niderla-BieliŃska J, Jankowska-Steifer E, Flaht-Zabost A, Gula G, Czarnowska E, Ratajska A. Proepicardium: Current Understanding of its Structure, Induction, and Fate. Anat Rec (Hoboken) 2018; 302:893-903. [PMID: 30421563 DOI: 10.1002/ar.24028] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Revised: 08/20/2018] [Accepted: 08/30/2018] [Indexed: 12/24/2022]
Abstract
The proepicardium (PE) is a transitory extracardiac embryonic structure which plays a crucial role in cardiac morphogenesis and delivers various cell lineages to the developing heart. The PE arises from the lateral plate mesoderm (LPM) and is present in all vertebrate species. During development, mesothelial cells of the PE reach the naked myocardium either as free-floating aggregates in the form of vesicles or via a tissue bridge; subsequently, they attach to the myocardium and, finally, form the third layer of a mature heart-the epicardium. After undergoing epithelial-to-mesenchymal transition (EMT) some of the epicardial cells migrate into the myocardial wall and differentiate into fibroblasts, smooth muscle cells, and possibly other cell types. Despite many recent findings, the molecular pathways that control not only proepicardial induction and differentiation but also epicardial formation and epicardial cell fate are poorly understood. Knowledge about these events is essential because molecular mechanisms that occur during embryonic development have been shown to be reactivated in pathological conditions, for example, after myocardial infarction, during hypertensive heart disease or other cardiovascular diseases. Therefore, in this review we intended to summarize the current knowledge about PE formation and structure, as well as proepicardial cell fate in animals commonly used as models for studies on heart development. Anat Rec, 302:893-903, 2019. © 2018 Wiley Periodicals, Inc.
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Affiliation(s)
| | - Ewa Jankowska-Steifer
- Department of Histology and Embryology, Medical University of Warsaw, Warsaw, Poland
| | | | - Grzegorz Gula
- Department of Pathology, Medical University of Warsaw, Warsaw, Poland.,The Postgraduate School of Molecular Medicine (SMM), Warsaw, Poland
| | - Elżbieta Czarnowska
- Department of Pathology, The Children's Memorial Health Institute, Warsaw, Poland
| | - Anna Ratajska
- Department of Pathology, Medical University of Warsaw, Warsaw, Poland
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35
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Mesothelial to mesenchyme transition as a major developmental and pathological player in trunk organs and their cavities. Commun Biol 2018; 1:170. [PMID: 30345394 PMCID: PMC6191446 DOI: 10.1038/s42003-018-0180-x] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 09/28/2018] [Indexed: 12/18/2022] Open
Abstract
The internal organs embedded in the cavities are lined by an epithelial monolayer termed the mesothelium. The mesothelium is increasingly implicated in driving various internal organ pathologies, as many of the normal embryonic developmental pathways acting in mesothelial cells, such as those regulating epithelial-to-mesenchymal transition, also drive disease progression in adult life. Here, we summarize observations from different animal models and organ systems that collectively point toward a central role of epithelial-to-mesenchymal transition in driving tissue fibrosis, acute scarring, and cancer metastasis. Thus, drugs targeting pathways of mesothelium’s transition may have broad therapeutic benefits in patients suffering from these diseases. Tim Koopmans and Yuval Rinkevich review recent findings linking the mesothelium’s embryonic programs that drive epithelial-to-mesenchyme transition with adult pathologies, such as fibrosis, acute scarring, and cancer metastasis. They highlight new avenues for drug development that would target pathways of the mesothelium’s mesenchymal transition.
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36
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Liu X, Wang Y, Liu F, Zhang M, Song H, Zhou B, Lo CW, Tong S, Hu Z, Zhang Z. Wdpcp promotes epicardial EMT and epicardium-derived cell migration to facilitate coronary artery remodeling. Sci Signal 2018; 11:11/519/eaah5770. [PMID: 29487191 DOI: 10.1126/scisignal.aah5770] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
During coronary vasculature development, endothelial cells enclose the embryonic heart to form the primitive coronary plexus. This structure is remodeled upon recruitment of epicardial cells that may undergo epithelial-mesenchymal transition (EMT) to enable migration and that give rise to smooth muscle cells. In mice expressing a loss-of-function mutant form of Wdpcp, a gene involved in ciliogenesis, the enclosure of the surface of the heart by the subepicardial coronary plexus was accelerated because of enhanced chemotactic responses to Shh. Coronary arteries, but not coronary veins in Wdpcp mutant mice, showed reduced smooth muscle cell coverage. In addition, Wdpcp mutant hearts had reduced expression of EMT and mesenchymal markers and had fewer epicardium-derived cells (EPDCs) that showed impaired migration. Epicardium-specific deletion of Wdpcp recapitulated the coronary artery defect of the Wdpcp mutant. Thus, Wdpcp promotes epithelial EMT and EPDC migration, processes that are required for remodeling of the coronary primitive plexus. The Wdpcp mutant mice will be a useful tool to dissect the molecular mechanisms that govern the remodeling of the primitive plexus during coronary development.
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Affiliation(s)
- Xiangyang Liu
- Shanghai Pediatric Congenital Heart Disease Institute and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Ye Wang
- Shanghai Pediatric Congenital Heart Disease Institute and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Feng Liu
- Shanghai Pediatric Congenital Heart Disease Institute and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Min Zhang
- Shanghai Pediatric Congenital Heart Disease Institute and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Hejie Song
- Shanghai Pediatric Congenital Heart Disease Institute and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Bin Zhou
- Key Laboratory of Nutrition and Metabolism, Institute for Nutritional Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Cecilia W Lo
- Department of Developmental Biology, University of Pittsburgh, Pittsburgh, PA 15201, USA
| | - Shilu Tong
- Department of Clinical Epidemiology and Biostatistics, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Zhenlei Hu
- Department of Cardiovascular Surgery, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China.
| | - Zhen Zhang
- Shanghai Pediatric Congenital Heart Disease Institute and Pediatric Translational Medicine Institute, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China.
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37
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Abstract
Despite therapeutic advances that have prolonged life, myocardial infarction (MI) remains a leading cause of death worldwide and imparts a significant economic burden. The advancement of treatments to improve cardiac repair post-MI requires the discovery of new targeted treatment strategies. Recent studies have highlighted the importance of the epicardial covering of the heart in both cardiac development and lower vertebrate cardiac regeneration. The epicardium serves as a source of cardiac cells including smooth muscle cells, endothelial cells and cardiac fibroblasts. Mammalian adult epicardial cells are typically quiescent. However, the fetal genetic program is reactivated post-MI, and epicardial epithelial-to-mesenchymal transition (EMT) occurs as an inherent mechanism to support neovascularization and cardiac healing. Unfortunately, endogenous EMT is not enough to encourage sufficient repair. Recent developments in our understanding of the mechanisms supporting the EMT process has led to a number of studies directed at augmenting epicardial EMT post-MI. With a focus on the role of the primary cilium, this review outlines the newly demonstrated mechanisms supporting EMT, the role of epicardial EMT in cardiac development, and promising advances in augmenting epicardial EMT as potential therapeutics to support cardiac repair post-MI.
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38
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Reichman DE, Park L, Man L, Redmond D, Chao K, Harvey RP, Taketo MM, Rosenwaks Z, James D. Wnt inhibition promotes vascular specification of embryonic cardiac progenitors. Development 2018; 145:dev.159905. [PMID: 29217753 PMCID: PMC5825863 DOI: 10.1242/dev.159905] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Accepted: 11/26/2017] [Indexed: 01/29/2023]
Abstract
Several studies have demonstrated a multiphasic role for Wnt signaling during embryonic cardiogenesis and developed protocols that enrich for cardiac derivatives during in vitro differentiation of human pluripotent stem cells (hPSCs). However, few studies have investigated the role of Wnt signaling in the specification of cardiac progenitor cells (CPCs) toward downstream fates. Using transgenic mice and hPSCs, we tracked endothelial cells (ECs) that originated from CPCs expressing NKX2.5. Analysis of EC-fated CPCs at discrete phenotypic milestones during hPSC differentiation identified reduced Wnt activity as a hallmark of EC specification, and the enforced activation or inhibition of Wnt reduced or increased, respectively, the degree of vascular commitment within the CPC population during both hPSC differentiation and mouse embryogenesis. Wnt5a, which has been shown to exert an inhibitory influence on Wnt signaling during cardiac development, was dynamically expressed during vascular commitment of hPSC-derived CPCs, and ectopic Wnt5a promoted vascular specification of hPSC-derived and mouse embryonic CPCs.
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Affiliation(s)
- David E Reichman
- Center for Reproductive Medicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Laura Park
- Center for Reproductive Medicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Limor Man
- Center for Reproductive Medicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - David Redmond
- Institute for Computational Biomedicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Kenny Chao
- Center for Reproductive Medicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Richard P Harvey
- Developmental and Stem Cell Biology Laboratory, Victor Chang Cardiac Research Institute, Darlinghurst, NSW 2010, Australia.,St. Vincent's Clinical School, University of New South Wales, Kensington 2052, Australia.,School of Biological and Biomolecular Sciences, University of New South Wales, Kensington 2052, Australia
| | - Makoto M Taketo
- Department of Pharmacology, Graduate School of Medicine, Kyoto University, Sakyo, Kyoto 606-8501, Japan
| | - Zev Rosenwaks
- Center for Reproductive Medicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Daylon James
- Center for Reproductive Medicine, Weill Cornell Medical College, New York, NY 10065, USA .,Tri-Institutional Stem Cell Derivation Laboratory, Weill Cornell Medical College, New York, NY 10065, USA
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Foulquier S, Daskalopoulos EP, Lluri G, Hermans KCM, Deb A, Blankesteijn WM. WNT Signaling in Cardiac and Vascular Disease. Pharmacol Rev 2018; 70:68-141. [PMID: 29247129 PMCID: PMC6040091 DOI: 10.1124/pr.117.013896] [Citation(s) in RCA: 216] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
WNT signaling is an elaborate and complex collection of signal transduction pathways mediated by multiple signaling molecules. WNT signaling is critically important for developmental processes, including cell proliferation, differentiation and tissue patterning. Little WNT signaling activity is present in the cardiovascular system of healthy adults, but reactivation of the pathway is observed in many pathologies of heart and blood vessels. The high prevalence of these pathologies and their significant contribution to human disease burden has raised interest in WNT signaling as a potential target for therapeutic intervention. In this review, we first will focus on the constituents of the pathway and their regulation and the different signaling routes. Subsequently, the role of WNT signaling in cardiovascular development is addressed, followed by a detailed discussion of its involvement in vascular and cardiac disease. After highlighting the crosstalk between WNT, transforming growth factor-β and angiotensin II signaling, and the emerging role of WNT signaling in the regulation of stem cells, we provide an overview of drugs targeting the pathway at different levels. From the combined studies we conclude that, despite the sometimes conflicting experimental data, a general picture is emerging that excessive stimulation of WNT signaling adversely affects cardiovascular pathology. The rapidly increasing collection of drugs interfering at different levels of WNT signaling will allow the evaluation of therapeutic interventions in the pathway in relevant animal models of cardiovascular diseases and eventually in patients in the near future, translating the outcomes of the many preclinical studies into a clinically relevant context.
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Affiliation(s)
- Sébastien Foulquier
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute, Maastricht University, Maastricht, The Netherlands (S.F., K.C.M.H., W.M.B.); Recherche Cardiovasculaire (CARD), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium (E.P.D.); Department of Medicine, Division of Cardiology, David Geffen School of Medicine (G.L., A.D.); and Department of Molecular Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, California (A.D.)
| | - Evangelos P Daskalopoulos
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute, Maastricht University, Maastricht, The Netherlands (S.F., K.C.M.H., W.M.B.); Recherche Cardiovasculaire (CARD), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium (E.P.D.); Department of Medicine, Division of Cardiology, David Geffen School of Medicine (G.L., A.D.); and Department of Molecular Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, California (A.D.)
| | - Gentian Lluri
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute, Maastricht University, Maastricht, The Netherlands (S.F., K.C.M.H., W.M.B.); Recherche Cardiovasculaire (CARD), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium (E.P.D.); Department of Medicine, Division of Cardiology, David Geffen School of Medicine (G.L., A.D.); and Department of Molecular Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, California (A.D.)
| | - Kevin C M Hermans
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute, Maastricht University, Maastricht, The Netherlands (S.F., K.C.M.H., W.M.B.); Recherche Cardiovasculaire (CARD), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium (E.P.D.); Department of Medicine, Division of Cardiology, David Geffen School of Medicine (G.L., A.D.); and Department of Molecular Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, California (A.D.)
| | - Arjun Deb
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute, Maastricht University, Maastricht, The Netherlands (S.F., K.C.M.H., W.M.B.); Recherche Cardiovasculaire (CARD), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium (E.P.D.); Department of Medicine, Division of Cardiology, David Geffen School of Medicine (G.L., A.D.); and Department of Molecular Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, California (A.D.)
| | - W Matthijs Blankesteijn
- Department of Pharmacology and Toxicology, Cardiovascular Research Institute, Maastricht University, Maastricht, The Netherlands (S.F., K.C.M.H., W.M.B.); Recherche Cardiovasculaire (CARD), Institut de Recherche Expérimentale et Clinique (IREC), Université catholique de Louvain, Brussels, Belgium (E.P.D.); Department of Medicine, Division of Cardiology, David Geffen School of Medicine (G.L., A.D.); and Department of Molecular Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, California (A.D.)
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40
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Guadix JA, Orlova VV, Giacomelli E, Bellin M, Ribeiro MC, Mummery CL, Pérez-Pomares JM, Passier R. Human Pluripotent Stem Cell Differentiation into Functional Epicardial Progenitor Cells. Stem Cell Reports 2017; 9:1754-1764. [PMID: 29173898 PMCID: PMC5785703 DOI: 10.1016/j.stemcr.2017.10.023] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 10/24/2017] [Accepted: 10/27/2017] [Indexed: 12/26/2022] Open
Abstract
Human pluripotent stem cells (hPSCs) are widely used to study cardiovascular cell differentiation and function. Here, we induced differentiation of hPSCs (both embryonic and induced) to proepicardial/epicardial progenitor cells that cover the heart during development. Addition of retinoic acid (RA) and bone morphogenetic protein 4 (BMP4) promoted expression of the mesodermal marker PDGFRα, upregulated characteristic (pro)epicardial progenitor cell genes, and downregulated transcription of myocardial genes. We confirmed the (pro)epicardial-like properties of these cells using in vitro co-culture assays and in ovo grafting of hPSC-epicardial cells into chick embryos. Our data show that RA + BMP4-treated hPSCs differentiate into (pro)epicardial-like cells displaying functional properties (adhesion and spreading over the myocardium) of their in vivo counterpart. The results extend evidence that hPSCs are an excellent model to study (pro)epicardial differentiation into cardiovascular cells in human development and evaluate their potential for cardiac regeneration.
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Affiliation(s)
- Juan Antonio Guadix
- Department of Anatomy and Embryology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, the Netherlands; Department of Animal Biology, Faculty of Sciences, University of Málaga, Instituto Malagueño de Biomedicina (IBIMA), Campus de Teatinos s/n, 29071 Málaga, Spain; BIONAND, Centro Andaluz de Nanomedicina y Biotecnología (Junta de Andalucía, Universidad de Málaga), Severo Ochoa 35, 29590 Campanillas (Málaga), Spain
| | - Valeria V Orlova
- Department of Anatomy and Embryology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, the Netherlands
| | - Elisa Giacomelli
- Department of Anatomy and Embryology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, the Netherlands
| | - Milena Bellin
- Department of Anatomy and Embryology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, the Netherlands
| | - Marcelo C Ribeiro
- Department of Anatomy and Embryology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, the Netherlands; Department of Applied Stem Cell Technologies, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Building Zuidhorst, 7500 AE Enschede, the Netherlands
| | - Christine L Mummery
- Department of Anatomy and Embryology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, the Netherlands
| | - José M Pérez-Pomares
- Department of Animal Biology, Faculty of Sciences, University of Málaga, Instituto Malagueño de Biomedicina (IBIMA), Campus de Teatinos s/n, 29071 Málaga, Spain; BIONAND, Centro Andaluz de Nanomedicina y Biotecnología (Junta de Andalucía, Universidad de Málaga), Severo Ochoa 35, 29590 Campanillas (Málaga), Spain.
| | - Robert Passier
- Department of Anatomy and Embryology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, the Netherlands; Department of Applied Stem Cell Technologies, MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, Building Zuidhorst, 7500 AE Enschede, the Netherlands.
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41
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Ridge LA, Mitchell K, Al-Anbaki A, Shaikh Qureshi WM, Stephen LA, Tenin G, Lu Y, Lupu IE, Clowes C, Robertson A, Barnes E, Wright JA, Keavney B, Ehler E, Lovell SC, Kadler KE, Hentges KE. Non-muscle myosin IIB (Myh10) is required for epicardial function and coronary vessel formation during mammalian development. PLoS Genet 2017; 13:e1007068. [PMID: 29084269 PMCID: PMC5697871 DOI: 10.1371/journal.pgen.1007068] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Revised: 11/21/2017] [Accepted: 10/11/2017] [Indexed: 01/01/2023] Open
Abstract
The coronary vasculature is an essential vessel network providing the blood supply to the heart. Disruptions in coronary blood flow contribute to cardiac disease, a major cause of premature death worldwide. The generation of treatments for cardiovascular disease will be aided by a deeper understanding of the developmental processes that underpin coronary vessel formation. From an ENU mutagenesis screen, we have isolated a mouse mutant displaying embryonic hydrocephalus and cardiac defects (EHC). Positional cloning and candidate gene analysis revealed that the EHC phenotype results from a point mutation in a splice donor site of the Myh10 gene, which encodes NMHC IIB. Complementation testing confirmed that the Myh10 mutation causes the EHC phenotype. Characterisation of the EHC cardiac defects revealed abnormalities in myocardial development, consistent with observations from previously generated NMHC IIB null mouse lines. Analysis of the EHC mutant hearts also identified defects in the formation of the coronary vasculature. We attribute the coronary vessel abnormalities to defective epicardial cell function, as the EHC epicardium displays an abnormal cell morphology, reduced capacity to undergo epithelial-mesenchymal transition (EMT), and impaired migration of epicardial-derived cells (EPDCs) into the myocardium. Our studies on the EHC mutant demonstrate a requirement for NMHC IIB in epicardial function and coronary vessel formation, highlighting the importance of this protein in cardiac development and ultimately, embryonic survival.
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Affiliation(s)
- Liam A. Ridge
- Division of Evolution and Genome Sciences, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Karen Mitchell
- Division of Evolution and Genome Sciences, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Ali Al-Anbaki
- Division of Evolution and Genome Sciences, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Wasay Mohiuddin Shaikh Qureshi
- Division of Evolution and Genome Sciences, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Louise A. Stephen
- Division of Evolution and Genome Sciences, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Gennadiy Tenin
- Division of Evolution and Genome Sciences, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Yinhui Lu
- Wellcome Trust Centre for Cell-Matrix Research, Division of Cell-Matrix Biology and Regenerative Medicine, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Irina-Elena Lupu
- Division of Evolution and Genome Sciences, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Christopher Clowes
- Division of Evolution and Genome Sciences, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Abigail Robertson
- Division of Evolution and Genome Sciences, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Emma Barnes
- Syngenta Ltd, Jealott’s Hill International Research Centre, Bracknell, United Kingdom
| | - Jayne A. Wright
- Syngenta Ltd, Jealott’s Hill International Research Centre, Bracknell, United Kingdom
| | - Bernard Keavney
- Division of Cardiovascular Sciences, School of Medical Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
- Manchester Heart Centre, Central Manchester University Hospitals NHS Foundation Trust, Manchester, United Kingdom
| | - Elisabeth Ehler
- The Randall Division of Cell and Molecular Biophysics and the Cardiovascular Division, Kings College London, London, United Kingdom
| | - Simon C. Lovell
- Division of Evolution and Genome Sciences, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Karl E. Kadler
- Wellcome Trust Centre for Cell-Matrix Research, Division of Cell-Matrix Biology and Regenerative Medicine, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
| | - Kathryn E. Hentges
- Division of Evolution and Genome Sciences, School of Biological Sciences, Faculty of Biology, Medicine, and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, United Kingdom
- * E-mail:
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42
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Rao KS, Spees JL. Harnessing Epicardial Progenitor Cells and Their Derivatives for Rescue and Repair of Cardiac Tissue After Myocardial Infarction. ACTA ACUST UNITED AC 2017; 3:149-158. [PMID: 29057207 DOI: 10.1007/s40610-017-0066-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
PURPOSE OF REVIEW Ischemic heart disease and stroke lead to the greatest number of deaths worldwide. Despite decreased time to intervention and improvements in the standard of care, 1 out of 5 patients that survive a myocardial infarction (MI) still face long-term chronic heart failure and a 5-year mortality rate of about 50%. Based on their multi-potency for differentiation and paracrine activity, epicardial cells and their derivatives have potential to rescue jeopardized tissue and/or promote cardiac regeneration. Here we review the diagnosis and treatment of MI, basic epicardial cell biology, and potential treatment strategies designed to harness the reparative properties of epicardial cells. RECENT FINDINGS During cardiac development, epicardial cells covering the surface of the heart generate migratory progenitor cells that contribute to the coronary vasculature and the interstitial fibroblasts. Epicardial cells also produce paracrine signals required for myocardial expansion and cardiac growth. In adults with myocardial infarction, epicardial cells and their derivatives provide paracrine factors that affect myocardial remodeling and repair. At present, the intrinsic mechanisms and extrinsic signals that regulate epicardial cell fate and paracrine activity in adults remain poorly understood. SUMMARY Human diseases that result in heart failure due to negative remodeling or extensive loss of viable cardiac tissue require new, effective treatments. Improved understanding of epicardial cell function(s) and epicardial-mediated secretion of growth factors, cytokines and hormones during cardiac growth, homeostasis and injury may lead to new ways to treat patients with myocardial infarction.
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Affiliation(s)
- Krithika S Rao
- Department of Medicine, Stem Cell Core, University of Vermont, Colchester, VT 05446
- Cardiovascular Research Institute, University of Vermont, Colchester, VT 05446
| | - Jeffrey L Spees
- Department of Medicine, Stem Cell Core, University of Vermont, Colchester, VT 05446
- Cardiovascular Research Institute, University of Vermont, Colchester, VT 05446
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43
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Wei X, Gao Y, Jing X, Deng S, Du J, Liu Y, She Q. Biological characteristics of embryonic epicardial cells in vitro correlate with embryonic day. Acta Biochim Biophys Sin (Shanghai) 2017; 49:14-24. [PMID: 27932393 DOI: 10.1093/abbs/gmw120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 10/28/2016] [Indexed: 11/13/2022] Open
Abstract
The epicardial cell (EpiC) culture system plays an important role in investigating the specific mechanisms and signaling molecules that are involved in the development of EpiCs. From this early formation until adulthood, EpiCs undergo dynamic changes in the expression of embryonic genes that correlate with changes in the embryonic EpiC properties. The differences of embryonic EpiC properties may affect the related results of experiments in which EpiC culture system is used; however, these differences have not been explored. Therefore, in this study we examined the differences in the biological characteristics of EpiCs on different embryonic days in vitro EpiCs were isolated from embryonic ventricle explants on embryonic day (E) 11.5, E13.5, and E15.5. The differences in the migration, proliferation and differentiation were studied in EpiCs of different embryonic day by scratch assay, cell cycle analysis and platelet derived growth factor-bb (PDGF-BB) treatment. The results showed that EpiCs were successfully cultured from E11.5, E13.5, and E15.5 embryonic ventricle explants. The time windows of E11.5, E13.5, and E15.5 EpiC isolation out of the explants were different. The migration abilities of E11.5, E13.5, and E15.5 EpiCs decreased during embryonic development. Smooth muscle cell differentiation potential of early stage EpiCs was better than that of the later stage EpiCs. Although the proliferation ability of E11.5 EpiCs was significantly weaker than those of E13.5 and E15.5 EpiCs, the proliferation abilities of E13.5 and E15.5 EpiCs did not differ. These results suggest that the biological characteristics of EpiCs correlate with the timing of embryonic development, and different embryonic stage of ventricle should be properly chosen for culturing EpiCs depending on the purposes of the specific experiments.
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Affiliation(s)
- Xiaoming Wei
- Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010, China
- Department of Cardiology, the Nanchuan People's Hospital of Chongqing Medical University, Nanchuan 408400, China
| | - Yulin Gao
- Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010, China
| | - Xiaodong Jing
- Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010, China
| | - Songbai Deng
- Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010, China
| | - Jianlin Du
- Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010, China
| | - Yajie Liu
- Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010, China
| | - Qiang She
- Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University , Chongqing 400010, China
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44
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Tran JR, Zheng X, Zheng Y. Lamin-B1 contributes to the proper timing of epicardial cell migration and function during embryonic heart development. Mol Biol Cell 2016; 27:3956-3963. [PMID: 27798236 PMCID: PMC5156536 DOI: 10.1091/mbc.e16-06-0462] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 10/11/2016] [Accepted: 10/12/2016] [Indexed: 11/11/2022] Open
Abstract
Lamin proteins form a meshwork beneath the nuclear envelope and contribute to many different cellular processes. Mutations in lamins cause defective organogenesis in mouse models and human diseases that affect adipose tissue, brain, skeletal muscle, and the heart. In vitro cell culture studies have shown that lamins help maintain nuclear shape and facilitate cell migration. However, whether these defects contribute to improper tissue building in vivo requires further clarification. By studying the heart epicardium during embryogenesis, we show that Lb1-null epicardial cells exhibit in vivo and in vitro migratory delay. Transcriptome analyses of these cells suggest that Lb1 influences the expression of cell adhesion genes, which could affect cell migration during epicardium development. These epicardial defects are consistent with incomplete development of both vascular smooth muscle and compact myocardium at later developmental stages in Lb1-null embryos. Further, we found that Lb1-null epicardial cells have a delayed nuclear morphology change in vivo, suggesting that Lb1 facilitates morphological changes associated with migration. These findings suggest that Lb1 contributes to nuclear shape maintenance and migration of epicardial cells and highlights the use of these cells for in vitro and in vivo study of these classic cell biological phenomena.
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Affiliation(s)
- Joseph R Tran
- Department of Embryology, Carnegie Institution for Science, Baltimore, MD 21218
| | - Xiaobin Zheng
- Department of Embryology, Carnegie Institution for Science, Baltimore, MD 21218
| | - Yixian Zheng
- Department of Embryology, Carnegie Institution for Science, Baltimore, MD 21218
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Riascos-Bernal DF, Chinnasamy P, Cao LL, Dunaway CM, Valenta T, Basler K, Sibinga NES. β-Catenin C-terminal signals suppress p53 and are essential for artery formation. Nat Commun 2016; 7:12389. [PMID: 27499244 PMCID: PMC4979065 DOI: 10.1038/ncomms12389] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 06/28/2016] [Indexed: 12/19/2022] Open
Abstract
Increased activity of the tumour suppressor p53 is incompatible with embryogenesis, but how p53 is controlled is not fully understood. Differential requirements for p53 inhibitors Mdm2 and Mdm4 during development suggest that these control mechanisms are context-dependent. Artery formation requires investment of nascent endothelial tubes by smooth muscle cells (SMCs). Here, we find that embryos lacking SMC β-catenin suffer impaired arterial maturation and die by E12.5, with increased vascular wall p53 activity. β-Catenin-deficient SMCs show no change in p53 levels, but greater p53 acetylation and activity, plus impaired growth and survival. In vivo, SMC p53 inactivation suppresses phenotypes caused by loss of β-catenin. Mechanistically, β-catenin C-terminal interactions inhibit Creb-binding protein-dependent p53 acetylation and p53 transcriptional activity, and are required for artery formation. Thus in SMCs, the β-catenin C-terminus indirectly represses p53, and this function is essential for embryogenesis. These findings have implications for angiogenesis, tissue engineering and vascular disease. How p53 is restrained in arterial maturation during embryonic development is unclear. Here, the authors show that β-catenin C-terminal interactions inhibit CREB binding protein-mediated acetylation and activation of p53 in smooth muscle cells, and that this function is essential for artery formation.
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Affiliation(s)
- Dario F Riascos-Bernal
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, New York 10461, USA
| | - Prameladevi Chinnasamy
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, New York 10461, USA
| | - Longyue Lily Cao
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, New York 10461, USA
| | - Charlene M Dunaway
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, New York 10461, USA
| | - Tomas Valenta
- Institute of Molecular Life Sciences, University of Zurich, Winterthurerstrasse 190, Zurich, CH-8057, Switzerland
| | - Konrad Basler
- Institute of Molecular Life Sciences, University of Zurich, Winterthurerstrasse 190, Zurich, CH-8057, Switzerland
| | - Nicholas E S Sibinga
- Department of Medicine (Cardiology Division), Department of Developmental and Molecular Biology, and Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, New York 10461, USA
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46
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Arora H, Boulberdaa M, Qureshi R, Bitirim V, Gasser A, Messaddeq N, Dolle P, Nebigil CG. Prokineticin receptor-1 signaling promotes Epicardial to Mesenchymal Transition during heart development. Sci Rep 2016; 6:25541. [PMID: 27150455 PMCID: PMC4858698 DOI: 10.1038/srep25541] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 04/18/2016] [Indexed: 01/20/2023] Open
Abstract
The epicardium plays an essential role in coronary artery formation and myocardial development. However, signals controlling the developing epicardium and epicardial-mesenchymal transition (EMT) in the normal and diseased adult heart are studied less rigorously. Here we investigated the role of angiogenic hormone, prokineticin-2 and its receptor PKR1 in the epicardium of developing and adult heart. Genetic ablation of PKR1 in epicardium leads to partial embryonic and postnatal lethality with abnormal heart development. Cardiac developmental defects are manifested in the adult stage as ischemic cardiomyopathy with systolic dysfunction. We discovered that PKR1 regulates epicardial-mesenchymal transition (EMT) for epicardial-derived progenitor cell (EPDC), formation. This event affects at least three consequential steps during heart development: (i) EPDC and cardiomyocyte proliferation involved in thickening of an outer compact ventricular chamber wall, (ii) rhythmicity, (iii) formation of coronary circulation. In isolated embryonic EPDCs, overexpression or activation of PKR1 alters cell morphology and EMT markers via activating Akt signaling. Lack of PKR1 signal in epicardium leads to defective heart development and underlies the origin of congenital heart disease in adult mice. Our mice provide genetic models for congenital dysfunction of the heart and should facilitate studies of both pathogenesis and therapy of cardiac disorders in humans.
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Affiliation(s)
- Himanshu Arora
- CNRS, Université de Strasbourg, UMR7242, Ecole Supérieure de Biotechnologie de Strasbourg, Illkirch, France
| | - Mounia Boulberdaa
- CNRS, Université de Strasbourg, UMR7242, Ecole Supérieure de Biotechnologie de Strasbourg, Illkirch, France
| | - Rehana Qureshi
- CNRS, Université de Strasbourg, UMR7242, Ecole Supérieure de Biotechnologie de Strasbourg, Illkirch, France
| | - Verda Bitirim
- CNRS, Université de Strasbourg, UMR7242, Ecole Supérieure de Biotechnologie de Strasbourg, Illkirch, France
| | - Adeline Gasser
- CNRS, Université de Strasbourg, UMR7242, Ecole Supérieure de Biotechnologie de Strasbourg, Illkirch, France
| | - Nadia Messaddeq
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), CNRS, UMR 7104 and INSERM Unité 964, Université de Strasbourg, Illkirch-Strasbourg, France
| | - Pascal Dolle
- Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), CNRS, UMR 7104 and INSERM Unité 964, Université de Strasbourg, Illkirch-Strasbourg, France
| | - Canan G. Nebigil
- CNRS, Université de Strasbourg, UMR7242, Ecole Supérieure de Biotechnologie de Strasbourg, Illkirch, France
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47
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Mizutani M, Wu JC, Nusse R. Fibrosis of the Neonatal Mouse Heart After Cryoinjury Is Accompanied by Wnt Signaling Activation and Epicardial-to-Mesenchymal Transition. J Am Heart Assoc 2016; 5:e002457. [PMID: 27068625 PMCID: PMC4943236 DOI: 10.1161/jaha.115.002457] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background The adult mammalian heart responds to cardiac injury by formation of persistent fibrotic scar that eventually leads to heart failure. In contrast, the neonatal mammalian heart reacts to injury by the development of transient fibrotic tissue that is eventually replaced by regenerated cardiomyocytes. How fibrosis occurs in the neonatal mammalian heart remains unknown. To start elucidating the molecular underpinnings of neonatal cardiac fibrosis, we investigated Wnt signaling in the neonatal heart after cryoinjury. Methods and Results Using expression of the Wnt target gene Axin2 as an indicator of Wnt/β‐catenin signaling activation, we discovered that epicardial cells in the ventricles are responsive to Wnt in the uninjured neonatal heart. Lineage‐tracing studies of these Wnt‐responsive epicardial cells showed that they undergo epithelial‐to‐mesenchymal transition and infiltrate into the subepicardial space and exhibit fibroblast phenotypes after injury. In addition, we showed that—similar to adult ischemic injury—neonatal cryoinjury results in activation of Wnt signaling in cardiac fibroblasts near injured areas. Furthermore, through in situ hybridization of all 19 Wnt ligands in injured neonatal hearts, we observed upregulation of Wnt ligands (Wnt2b, Wnt5a, and Wnt9a) that had not been implicated in the adult cardiac injury response. Conclusions These results demonstrate that cryoinjury in neonatal heart leads to the formation of fibrotic tissue that involves Wnt‐responsive epicardial cells undergoing epithelial‐to‐mesenchymal transition to give rise to fibroblasts and activation of Wnt signaling in resident cardiac fibroblasts.
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Affiliation(s)
- Makiko Mizutani
- Department of Developmental Biology, Stanford University School of Medicine, Stanford, CA
| | - Joseph C Wu
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA Division of Cardiology, Department of Medicine, Stanford University School of Medicine, Stanford, CA
| | - Roeland Nusse
- Department of Developmental Biology, Stanford University School of Medicine, Stanford, CA Howard Hughes Medical Institute, Stanford University, Stanford, CA
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48
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Tuncay H, Ebnet K. Cell adhesion molecule control of planar spindle orientation. Cell Mol Life Sci 2016; 73:1195-207. [PMID: 26698907 PMCID: PMC11108431 DOI: 10.1007/s00018-015-2116-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 11/26/2015] [Accepted: 12/10/2015] [Indexed: 12/22/2022]
Abstract
Polarized epithelial cells align the mitotic spindle in the plane of the sheet to maintain tissue integrity and to prevent malignant transformation. The orientation of the spindle apparatus is regulated by the immobilization of the astral microtubules at the lateral cortex and depends on the precise localization of the dynein-dynactin motor protein complex which captures microtubule plus ends and generates pulling forces towards the centrosomes. Recent developments indicate that signals derived from intercellular junctions are required for the stable interaction of the dynein-dynactin complex with the cortex. Here, we review the molecular mechanisms that regulate planar spindle orientation in polarized epithelial cells and we illustrate how different cell adhesion molecules through distinct and non-overlapping mechanisms instruct the cells to align the mitotic spindle in the plane of the sheet.
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Affiliation(s)
- Hüseyin Tuncay
- Institute-Associated Research Group "Cell Adhesion and Cell Polarity", Institute of Medical Biochemistry, ZMBE, University of Münster, Von-Esmarch-Str. 56, 48149, Muenster, Germany
| | - Klaus Ebnet
- Institute-Associated Research Group "Cell Adhesion and Cell Polarity", Institute of Medical Biochemistry, ZMBE, University of Münster, Von-Esmarch-Str. 56, 48149, Muenster, Germany.
- Interdisciplinary Clinical Research Center (IZKF), University of Münster, 48419, Muenster, Germany.
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49
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Krainock M, Toubat O, Danopoulos S, Beckham A, Warburton D, Kim R. Epicardial Epithelial-to-Mesenchymal Transition in Heart Development and Disease. J Clin Med 2016; 5:jcm5020027. [PMID: 26907357 PMCID: PMC4773783 DOI: 10.3390/jcm5020027] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Revised: 01/22/2016] [Accepted: 02/03/2016] [Indexed: 01/07/2023] Open
Abstract
The epicardium is an epithelial monolayer that plays a central role in heart development and the myocardial response to injury. Recent developments in our understanding of epicardial cell biology have revealed this layer to be a dynamic participant in fundamental processes underlying the development of the embryonic ventricles, the coronary vasculature, and the cardiac valves. Likewise, recent data have identified the epicardium as an important contributor to reparative and regenerative processes in the injured myocardium. These essential functions of the epicardium rely on both non-cell autonomous and cell-autonomous mechanisms, with the latter featuring the process of epicardial Epithelial-to-Mesenchymal Transition (EMT). This review will focus on the induction and regulation of epicardial EMT, as it pertains to both cardiogenesis and the response of the myocardium to injury.
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Affiliation(s)
- Michael Krainock
- Division of Cardiothoracic Surgery, University of Southern California, Los Angeles, CA 90027, USA.
| | - Omar Toubat
- Division of Cardiothoracic Surgery, University of Southern California, Los Angeles, CA 90027, USA.
| | - Soula Danopoulos
- Division of Cardiothoracic Surgery, University of Southern California, Los Angeles, CA 90027, USA.
| | - Allison Beckham
- Division of Cardiothoracic Surgery, University of Southern California, Los Angeles, CA 90027, USA.
| | - David Warburton
- Division of Cardiothoracic Surgery, University of Southern California, Los Angeles, CA 90027, USA.
| | - Richard Kim
- Division of Cardiothoracic Surgery, University of Southern California, Los Angeles, CA 90027, USA.
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50
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Ruiz-Villalba A, Hoppler S, van den Hoff MJB. Wnt signaling in the heart fields: Variations on a common theme. Dev Dyn 2016; 245:294-306. [PMID: 26638115 DOI: 10.1002/dvdy.24372] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Revised: 11/17/2015] [Accepted: 11/18/2015] [Indexed: 12/27/2022] Open
Abstract
Wnt signaling plays an essential role in development and differentiation. Heart development is initiated with the induction of precardiac mesoderm requiring the tightly and spatially controlled regulation of canonical and noncanonical Wnt signaling pathways. The role of Wnt signaling in subsequent development of the heart fields is to a large extent unclear. We will discuss the role of Wnt signaling in the development of the arterial and venous pole of the heart, highlighting the dual roles of Wnt signaling with respect to its time- and dosage-dependent effects and the balance between the canonical and noncanonical signaling. Canonical signaling appears to be involved in retaining the cardiac precursors in a proliferative and precursor state, whereas noncanonical signaling promotes their differentiation. Thereafter, both canonical and noncanonical signaling regulate specific steps in differentiation of the cardiac compartments. Because heart development is a contiguous, rather than a sequential, process, analyses tend only to show a single timeframe of development. The repetitive alternating and reciprocal effect of canonical and noncanonical signaling is lost when studied in homogenates. Without the simultaneous in vivo visualization of the different Wnt signaling pathways, the mechanism of Wnt signaling in heart development remains elusive.
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Affiliation(s)
- Adrián Ruiz-Villalba
- Academic Medical Center, Department of Anatomy, Embryology and Physiology, Amsterdam, The Netherlands
| | - Stefan Hoppler
- Cardiovascular Biology and Medicine Research Programme, Institute of Medical Sciences, University of Aberdeen, Aberdeen, Scotland, United Kingdom
| | - Maurice J B van den Hoff
- Academic Medical Center, Department of Anatomy, Embryology and Physiology, Amsterdam, The Netherlands
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