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Janardhan HP, Wachter BT, Trivedi CM. Lymphatic System Development and Function. Curr Cardiol Rep 2024:10.1007/s11886-024-02120-8. [PMID: 39172295 DOI: 10.1007/s11886-024-02120-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/13/2024] [Indexed: 08/23/2024]
Abstract
PURPOSE OF REVIEW This review delves into recent advancements in understanding generalized and organ-specific lymphatic development. It emphasizes the distinct characteristics and critical anomalies that can impair lymphatic function. By exploring developmental mechanisms, the review seeks to illuminate the profound impact of lymphatic malformations on overall health and disease progression. RECENT FINDINGS The introduction of genome sequencing, single-cell transcriptomic analysis, and advanced imaging technologies has significantly enhanced our ability to identify and characterize developmental defects within the lymphatic system. As a result, a wide range of lymphatic anomalies have been uncovered, spanning from congenital abnormalities present at birth to conditions that can become life-threatening in adulthood. Additionally, recent research highlights the heterogeneity of lymphatics, revealing organ-specific developmental pathways, unique molecular markers, and specialized physiological functions specific to each organ. A deeper understanding of the unique characteristics of lymphatic cell populations in an organ-specific context is essential for guiding future research into lymphatic disease processes. An integrated approach to translational research could revolutionize personalized medicine, where treatments are precisely tailored to individual lymphatic profiles, enhancing effectiveness and minimizing side effects.
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Affiliation(s)
- Harish P Janardhan
- Division of Cardiovascular Medicine, UMass Chan Medical School, Worcester, MA, 01605, USA
- Department of Medicine, UMass Chan Medical School, Worcester, MA, 01605, USA
| | - Brianna T Wachter
- Division of Cardiovascular Medicine, UMass Chan Medical School, Worcester, MA, 01605, USA
- Department of Medicine, UMass Chan Medical School, Worcester, MA, 01605, USA
- MD-PhD Program, Morningside Graduate School of Biomedical Sciences, UMass Chan Medical School, Worcester, MA, 01605, USA
| | - Chinmay M Trivedi
- Division of Cardiovascular Medicine, UMass Chan Medical School, Worcester, MA, 01605, USA.
- Department of Medicine, UMass Chan Medical School, Worcester, MA, 01605, USA.
- MD-PhD Program, Morningside Graduate School of Biomedical Sciences, UMass Chan Medical School, Worcester, MA, 01605, USA.
- Department of Molecular, Cell, and Cancer Biology, UMass Chan Medical School, Worcester, MA, 01605, USA.
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2
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Panara V, Varaliová Z, Wilting J, Koltowska K, Jeltsch M. The relationship between the secondary vascular system and the lymphatic vascular system in fish. Biol Rev Camb Philos Soc 2024. [PMID: 38940420 DOI: 10.1111/brv.13114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 06/14/2024] [Accepted: 06/17/2024] [Indexed: 06/29/2024]
Abstract
New technologies have resulted in a better understanding of blood and lymphatic vascular heterogeneity at the cellular and molecular levels. However, we still need to learn more about the heterogeneity of the cardiovascular and lymphatic systems among different species at the anatomical and functional levels. Even the deceptively simple question of the functions of fish lymphatic vessels has yet to be conclusively answered. The most common interpretation assumes a similar dual setup of the vasculature in zebrafish and mammals: a cardiovascular circulatory system, and a lymphatic vascular system (LVS), in which the unidirectional flow is derived from surplus interstitial fluid and returned into the cardiovascular system. A competing interpretation questions the identity of the lymphatic vessels in fish as at least some of them receive their flow from arteries via specialised anastomoses, neither requiring an interstitial source for the lymphatic flow nor stipulating unidirectionality. In this alternative view, the 'fish lymphatics' are a specialised subcompartment of the cardiovascular system, called the secondary vascular system (SVS). Many of the contradictions found in the literature appear to stem from the fact that the SVS develops in part or completely from an embryonic LVS by transdifferentiation. Future research needs to establish the extent of embryonic transdifferentiation of lymphatics into SVS blood vessels. Similarly, more insight is needed into the molecular regulation of vascular development in fish. Most fish possess more than the five vascular endothelial growth factor (VEGF) genes and three VEGF receptor genes that we know from mice or humans, and the relative tolerance of fish to whole-genome and gene duplications could underlie the evolutionary diversification of the vasculature. This review discusses the key elements of the fish lymphatics versus the SVS and attempts to draw a picture coherent with the existing data, including phylogenetic knowledge.
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Affiliation(s)
- Virginia Panara
- Rudbeck Laboratory, Department of Immunology, Genetics and Pathology, Uppsala University, Dag Hammarskjölds väg 20, Uppsala, 751 85, Sweden
- Beijer Laboratory, Department of Immunology, Genetics and Pathology, Uppsala University, Dag Hammarskjölds väg 20, Uppsala, 751 85, Sweden
- Department of Organismal Biology, Evolutionary Biology Centre, Uppsala University, Norbyvägen 18 A, Uppsala, 752 36, Sweden
| | - Zuzana Varaliová
- Rudbeck Laboratory, Department of Immunology, Genetics and Pathology, Uppsala University, Dag Hammarskjölds väg 20, Uppsala, 751 85, Sweden
- Drug Research Program, University of Helsinki, Viikinkaari 5E, Helsinki, 00790, Finland
| | - Jörg Wilting
- Institute of Anatomy and Embryology, University Medical School Göttingen, Kreuzbergring 36, Göttingen, 37075, Germany
| | - Katarzyna Koltowska
- Rudbeck Laboratory, Department of Immunology, Genetics and Pathology, Uppsala University, Dag Hammarskjölds väg 20, Uppsala, 751 85, Sweden
- Beijer Laboratory, Department of Immunology, Genetics and Pathology, Uppsala University, Dag Hammarskjölds väg 20, Uppsala, 751 85, Sweden
| | - Michael Jeltsch
- Drug Research Program, University of Helsinki, Viikinkaari 5E, Helsinki, 00790, Finland
- Individualized Drug Therapy Research Program, University of Helsinki, Haartmaninkatu 8, Helsinki, 00290, Finland
- Wihuri Research Institute, Haartmaninkatu 8, Helsinki, 00290, Finland
- Helsinki One Health, University of Helsinki, P.O. Box 4, Helsinki, 00014, Finland
- Helsinki Institute of Sustainability Science, Yliopistonkatu 3, Helsinki, 00100, Finland
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3
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Simkin J, Aloysius A, Adam M, Safaee F, Donahue RR, Biswas S, Lakhani Z, Gensel JC, Thybert D, Potter S, Seifert AW. Tissue-resident macrophages specifically express Lactotransferrin and Vegfc during ear pinna regeneration in spiny mice. Dev Cell 2024; 59:496-516.e6. [PMID: 38228141 PMCID: PMC10922778 DOI: 10.1016/j.devcel.2023.12.017] [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: 01/17/2022] [Revised: 05/30/2023] [Accepted: 12/21/2023] [Indexed: 01/18/2024]
Abstract
The details of how macrophages control different healing trajectories (regeneration vs. scar formation) remain poorly defined. Spiny mice (Acomys spp.) can regenerate external ear pinnae tissue, whereas lab mice (Mus musculus) form scar tissue in response to an identical injury. Here, we used this dual species system to dissect macrophage phenotypes between healing modes. We identified secreted factors from activated Acomys macrophages that induce a pro-regenerative phenotype in fibroblasts from both species. Transcriptional profiling of Acomys macrophages and subsequent in vitro tests identified VEGFC, PDGFA, and Lactotransferrin (LTF) as potential pro-regenerative modulators. Examining macrophages in vivo, we found that Acomys-resident macrophages secreted VEGFC and LTF, whereas Mus macrophages do not. Lastly, we demonstrate the requirement for VEGFC during regeneration and find that interrupting lymphangiogenesis delays blastema and new tissue formation. Together, our results demonstrate that cell-autonomous mechanisms govern how macrophages react to the same stimuli to differentially produce factors that facilitate regeneration.
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Affiliation(s)
- Jennifer Simkin
- Department of Biology, University of Kentucky, Lexington, KY 40506, USA; Department of Orthopaedic Surgery, LSU Health-New Orleans, New Orleans, LA 70112, USA.
| | - Ajoy Aloysius
- Department of Biology, University of Kentucky, Lexington, KY 40506, USA
| | - Mike Adam
- Department of Pediatrics, University of Cincinnati Children's Hospital Medical Center, Division of Developmental Biology, Cincinnati, OH 45229, USA
| | - Fatemeh Safaee
- Department of Biology, University of Kentucky, Lexington, KY 40506, USA
| | - Renée R Donahue
- Department of Biology, University of Kentucky, Lexington, KY 40506, USA
| | - Shishir Biswas
- Department of Biology, University of Kentucky, Lexington, KY 40506, USA
| | - Zohaib Lakhani
- Department of Orthopaedic Surgery, LSU Health-New Orleans, New Orleans, LA 70112, USA
| | - John C Gensel
- Department of Physiology, University of Kentucky, Lexington, KY 40506, USA; Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, KY 40506, USA
| | - David Thybert
- European Bioinformatics Institute (EMBL-EBI), Cambridge, UK
| | - Steven Potter
- Department of Pediatrics, University of Cincinnati Children's Hospital Medical Center, Division of Developmental Biology, Cincinnati, OH 45229, USA
| | - Ashley W Seifert
- Department of Biology, University of Kentucky, Lexington, KY 40506, USA; Spinal Cord and Brain Injury Research Center, University of Kentucky, Lexington, KY 40506, USA.
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4
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Weinberger M, Riley PR. Animal models to study cardiac regeneration. Nat Rev Cardiol 2024; 21:89-105. [PMID: 37580429 DOI: 10.1038/s41569-023-00914-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/17/2023] [Indexed: 08/16/2023]
Abstract
Permanent fibrosis and chronic deterioration of heart function in patients after myocardial infarction present a major health-care burden worldwide. In contrast to the restricted potential for cellular and functional regeneration of the adult mammalian heart, a robust capacity for cardiac regeneration is seen during the neonatal period in mammals as well as in the adults of many fish and amphibian species. However, we lack a complete understanding as to why cardiac regeneration takes place more efficiently in some species than in others. The capacity of the heart to regenerate after injury is controlled by a complex network of cellular and molecular mechanisms that form a regulatory landscape, either permitting or restricting regeneration. In this Review, we provide an overview of the diverse array of vertebrates that have been studied for their cardiac regenerative potential and discuss differential heart regeneration outcomes in closely related species. Additionally, we summarize current knowledge about the core mechanisms that regulate cardiac regeneration across vertebrate species.
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Affiliation(s)
- Michael Weinberger
- Institute of Developmental & Regenerative Medicine, University of Oxford, Oxford, UK
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Paul R Riley
- Institute of Developmental & Regenerative Medicine, University of Oxford, Oxford, UK.
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5
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Hu Z, Zhao X, Wu Z, Qu B, Yuan M, Xing Y, Song Y, Wang Z. Lymphatic vessel: origin, heterogeneity, biological functions, and therapeutic targets. Signal Transduct Target Ther 2024; 9:9. [PMID: 38172098 PMCID: PMC10764842 DOI: 10.1038/s41392-023-01723-x] [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: 07/08/2023] [Revised: 11/03/2023] [Accepted: 11/23/2023] [Indexed: 01/05/2024] Open
Abstract
Lymphatic vessels, comprising the secondary circulatory system in human body, play a multifaceted role in maintaining homeostasis among various tissues and organs. They are tasked with a serious of responsibilities, including the regulation of lymph absorption and transport, the orchestration of immune surveillance and responses. Lymphatic vessel development undergoes a series of sophisticated regulatory signaling pathways governing heterogeneous-origin cell populations stepwise to assemble into the highly specialized lymphatic vessel networks. Lymphangiogenesis, as defined by new lymphatic vessels sprouting from preexisting lymphatic vessels/embryonic veins, is the main developmental mechanism underlying the formation and expansion of lymphatic vessel networks in an embryo. However, abnormal lymphangiogenesis could be observed in many pathological conditions and has a close relationship with the development and progression of various diseases. Mechanistic studies have revealed a set of lymphangiogenic factors and cascades that may serve as the potential targets for regulating abnormal lymphangiogenesis, to further modulate the progression of diseases. Actually, an increasing number of clinical trials have demonstrated the promising interventions and showed the feasibility of currently available treatments for future clinical translation. Targeting lymphangiogenic promoters or inhibitors not only directly regulates abnormal lymphangiogenesis, but improves the efficacy of diverse treatments. In conclusion, we present a comprehensive overview of lymphatic vessel development and physiological functions, and describe the critical involvement of abnormal lymphangiogenesis in multiple diseases. Moreover, we summarize the targeting therapeutic values of abnormal lymphangiogenesis, providing novel perspectives for treatment strategy of multiple human diseases.
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Affiliation(s)
- Zhaoliang Hu
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University; Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, 155 North Nanjing Street, Heping District, Shenyang, 110001, China
| | - Xushi Zhao
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University; Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, 155 North Nanjing Street, Heping District, Shenyang, 110001, China
| | - Zhonghua Wu
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University; Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, 155 North Nanjing Street, Heping District, Shenyang, 110001, China
| | - Bicheng Qu
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University; Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, 155 North Nanjing Street, Heping District, Shenyang, 110001, China
| | - Minxian Yuan
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University; Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, 155 North Nanjing Street, Heping District, Shenyang, 110001, China
| | - Yanan Xing
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University; Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, 155 North Nanjing Street, Heping District, Shenyang, 110001, China.
| | - Yongxi Song
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University; Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, 155 North Nanjing Street, Heping District, Shenyang, 110001, China.
| | - Zhenning Wang
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University; Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Ministry of Education, 155 North Nanjing Street, Heping District, Shenyang, 110001, China.
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Huang H, Huang GN, Payumo AY. Two decades of heart regeneration research: Cardiomyocyte proliferation and beyond. WIREs Mech Dis 2024; 16:e1629. [PMID: 37700522 PMCID: PMC10840678 DOI: 10.1002/wsbm.1629] [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: 05/15/2023] [Revised: 08/03/2023] [Accepted: 08/09/2023] [Indexed: 09/14/2023]
Abstract
Interest in vertebrate cardiac regeneration has exploded over the past two decades since the discovery that adult zebrafish are capable of complete heart regeneration, contrasting the limited regenerative potential typically observed in adult mammalian hearts. Undercovering the mechanisms that both support and limit cardiac regeneration across the animal kingdom may provide unique insights in how we may unlock this capacity in adult humans. In this review, we discuss key discoveries in the heart regeneration field over the last 20 years. Initially, seminal findings revealed that pre-existing cardiomyocytes are the major source of regenerated cardiac muscle, drawing interest into the intrinsic mechanisms regulating cardiomyocyte proliferation. Moreover, recent studies have identified the importance of intercellular interactions and physiological adaptations, which highlight the vast complexity of the cardiac regenerative process. Finally, we compare strategies that have been tested to increase the regenerative capacity of the adult mammalian heart. This article is categorized under: Cardiovascular Diseases > Stem Cells and Development.
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Affiliation(s)
- Herman Huang
- Department of Biological Sciences, San Jose State University, San Jose, CA 95192, USA
| | - Guo N. Huang
- Cardiovascular Research Institute & Department of Physiology, University of California, San Francisco, San Francisco, CA, 94158, USA
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, 94158, USA
| | - Alexander Y. Payumo
- Department of Biological Sciences, San Jose State University, San Jose, CA 95192, USA
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7
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Travisano SI, Harrison MRM, Thornton ME, Grubbs BH, Quertermous T, Lien CL. Single-nuclei multiomic analyses identify human cardiac lymphatic endothelial cells associated with coronary arteries in the epicardium. Cell Rep 2023; 42:113106. [PMID: 37676760 DOI: 10.1016/j.celrep.2023.113106] [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: 03/30/2023] [Revised: 07/31/2023] [Accepted: 08/23/2023] [Indexed: 09/09/2023] Open
Abstract
Cardiac lymphatic vessels play important roles in fluid homeostasis, inflammation, disease, and regeneration of the heart. The developing cardiac lymphatics in human fetal hearts are closely associated with coronary arteries, similar to those in zebrafish hearts. We identify a population of cardiac lymphatic endothelial cells (LECs) that reside in the epicardium. Single-nuclei multiomic analysis of the human fetal heart reveals the plasticity and heterogeneity of the cardiac endothelium. Furthermore, we find that VEGFC is highly expressed in arterial endothelial cells and epicardium-derived cells, providing a molecular basis for the arterial association of cardiac lymphatic development. Using a cell-type-specific integrative analysis, we identify a population of cardiac lymphatic endothelial cells marked by the PROX1 and the lymphangiocrine RELN and enriched in binding motifs of erythroblast transformation specific (ETS) variant (ETV) transcription factors. We report the in vivo molecular characterization of human cardiac lymphatics and provide a valuable resource to understand fetal heart development.
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Affiliation(s)
| | - Michael R M Harrison
- The Saban Research Institute of Children's Hospital Los Angeles, Los Angeles, CA 90027, USA; Cardiovascular Research Institute, Department of Cell and Developmental Biology, Weill Cornell Medical College, New York, NY 10021, USA
| | - Matthew E Thornton
- Maternal-Fetal Medicine Division, Department of Obstetrics and Gynecology, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Brendan H Grubbs
- Maternal-Fetal Medicine Division, Department of Obstetrics and Gynecology, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Thomas Quertermous
- Division of Cardiovascular Medicine and the Cardiovascular Institute, School of Medicine, Stanford University, Falk CVRC, Stanford, CA 94305, USA
| | - Ching-Ling Lien
- The Saban Research Institute of Children's Hospital Los Angeles, Los Angeles, CA 90027, USA; Departments of Surgery, Biochemistry, and Molecular Medicine, Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA.
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8
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Wang D, Zhao Y, Zhou Y, Yang S, Xiao X, Feng L. Angiogenesis-An Emerging Role in Organ Fibrosis. Int J Mol Sci 2023; 24:14123. [PMID: 37762426 PMCID: PMC10532049 DOI: 10.3390/ijms241814123] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/02/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
In recent years, the study of lymphangiogenesis and fibrotic diseases has made considerable achievements, and accumulating evidence indicates that lymphangiogenesis plays a key role in the process of fibrosis in various organs. Although the effects of lymphangiogenesis on fibrosis disease have not been conclusively determined due to different disease models and pathological stages of organ fibrosis, its importance in the development of fibrosis is unquestionable. Therefore, we expounded on the characteristics of lymphangiogenesis in fibrotic diseases from the effects of lymphangiogenesis on fibrosis, the source of lymphatic endothelial cells (LECs), the mechanism of fibrosis-related lymphangiogenesis, and the therapeutic effect of intervening lymphangiogenesis on fibrosis. We found that expansion of LECs or lymphatic networks occurs through original endothelial cell budding or macrophage differentiation into LECs, and the vascular endothelial growth factor C (VEGFC)/vascular endothelial growth factor receptor (VEGFR3) pathway is central in fibrosis-related lymphangiogenesis. Lymphatic vessel endothelial hyaluronan receptor 1 (LYVE1), as a receptor of LECs, is also involved in the regulation of lymphangiogenesis. Intervention with lymphangiogenesis improves fibrosis to some extent. In the complex organ fibrosis microenvironment, a variety of functional cells, inflammatory factors and chemokines synergistically or antagonistically form the complex network involved in fibrosis-related lymphangiogenesis and regulate the progression of fibrosis disease. Further clarifying the formation of a new fibrosis-related lymphangiogenesis network may potentially provide new strategies for the treatment of fibrosis disease.
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Affiliation(s)
| | | | | | | | | | - Li Feng
- Division of Liver Surgery, Department of General Surgery and Regeneration Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China; (D.W.); (Y.Z.); (Y.Z.); (S.Y.); (X.X.)
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9
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Berkeley B, Tang MNH, Brittan M. Mechanisms regulating vascular and lymphatic regeneration in the heart after myocardial infarction. J Pathol 2023; 260:666-678. [PMID: 37272582 PMCID: PMC10953458 DOI: 10.1002/path.6093] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/14/2023] [Accepted: 04/27/2023] [Indexed: 06/06/2023]
Abstract
Myocardial infarction, caused by a thrombus or coronary vascular occlusion, leads to irreversible ischaemic injury. Advances in early reperfusion strategies have significantly reduced short-term mortality after myocardial infarction. However, survivors have an increased risk of developing heart failure, which confers a high risk of death at 1 year. The capacity of the injured neonatal mammalian heart to regenerate has stimulated extensive research into whether recapitulation of developmental regeneration programmes may be beneficial in adult cardiovascular disease. Restoration of functional blood and lymphatic vascular networks in the infarct and border regions via neovascularisation and lymphangiogenesis, respectively, is a key requirement to facilitate myocardial regeneration. An improved understanding of the endogenous mechanisms regulating coronary vascular and lymphatic expansion and function in development and in adult patients after myocardial infarction may inform future therapeutic strategies and improve translation from pre-clinical studies. In this review, we explore the underpinning research and key findings in the field of cardiovascular regeneration, with a focus on neovascularisation and lymphangiogenesis, and discuss the outcomes of therapeutic strategies employed to date. © 2023 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Bronwyn Berkeley
- Centre for Cardiovascular Science, The Queen's Medical Research InstituteUniversity of EdinburghEdinburghUK
| | - Michelle Nga Huen Tang
- Centre for Cardiovascular Science, The Queen's Medical Research InstituteUniversity of EdinburghEdinburghUK
| | - Mairi Brittan
- Centre for Cardiovascular Science, The Queen's Medical Research InstituteUniversity of EdinburghEdinburghUK
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10
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Deng T, Shi Z, Xiao Y. Research progress in the cardiac lymphatic system and myocardial repair after myocardial infarction. ZHONG NAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF CENTRAL SOUTH UNIVERSITY. MEDICAL SCIENCES 2023; 48:920-929. [PMID: 37587078 PMCID: PMC10930442 DOI: 10.11817/j.issn.1672-7347.2023.220636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Indexed: 08/18/2023]
Abstract
The lymphatic system of the heart plays an important role in the repair process after myocardial injury and may regulate normal tissue homeostasis and natural regeneration via maintaining fluid homeostasis and controlling the inflammatory response. The lymphatic system in the heart is activated after myocardial injury and is involved in the scarring process of the heart. Recent studies on the lymphatic system and myocardial repair of the heart have developed rapidly, and the mechanisms for lymphangiogenesis and lymphatic endothelial cell secretion have been elucidated by different animal models. A deep understanding of the structural, molecular, and functional characteristics of the lymphatic system of the heart can help develop therapies that target the lymphatic system in the heart. Summarizing the progress in studies on targets related to myocardial repair and the cardiac lymphatic system is helpful to provide potential new targets and strategies for myocardial repair therapy after myocardial infarction.
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Affiliation(s)
- Tingyu Deng
- Department of Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha 410011.
- Xiangya School of Medicine, Central South University, Changsha 410013, China.
| | - Zhaofeng Shi
- Department of Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha 410011
- Xiangya School of Medicine, Central South University, Changsha 410013, China
| | - Yichao Xiao
- Department of Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha 410011.
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11
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Matsui K, Torii S, Hara S, Maruyama K, Arai T, Imanaka-Yoshida K. Tenascin-C in Tissue Repair after Myocardial Infarction in Humans. Int J Mol Sci 2023; 24:10184. [PMID: 37373332 DOI: 10.3390/ijms241210184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 06/09/2023] [Accepted: 06/09/2023] [Indexed: 06/29/2023] Open
Abstract
Adverse ventricular remodeling after myocardial infarction (MI) is progressive ventricular dilatation associated with heart failure for weeks or months and is currently regarded as the most critical sequela of MI. It is explained by inadequate tissue repair due to dysregulated inflammation during the acute stage; however, its pathophysiology remains unclear. Tenascin-C (TNC), an original member of the matricellular protein family, is highly up-regulated in the acute stage after MI, and a high peak in its serum level predicts an increased risk of adverse ventricular remodeling in the chronic stage. Experimental TNC-deficient or -overexpressing mouse models have suggested the diverse functions of TNC, particularly its pro-inflammatory effects on macrophages. The present study investigated the roles of TNC during human myocardial repair. We initially categorized the healing process into four phases: inflammatory, granulation, fibrogenic, and scar phases. We then immunohistochemically examined human autopsy samples at the different stages after MI and performed detailed mapping of TNC in human myocardial repair with a focus on lymphangiogenesis, the role of which has recently been attracting increasing attention as a mechanism to resolve inflammation. The direct effects of TNC on human lymphatic endothelial cells were also assessed by RNA sequencing. The results obtained support the potential roles of TNC in the regulation of macrophages, sprouting angiogenesis, the recruitment of myofibroblasts, and the early formation of collagen fibrils during the inflammatory phase to the early granulation phase of human MI. Lymphangiogenesis was observed after the expression of TNC was down-regulated. In vitro results revealed that TNC modestly down-regulated genes related to nuclear division, cell division, and cell migration in lymphatic endothelial cells, suggesting its inhibitory effects on lymphatic endothelial cells. The present results indicate that TNC induces prolonged over-inflammation by suppressing lymphangiogenesis, which may be one of the mechanisms underlying adverse post-infarct remodeling.
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Affiliation(s)
- Kenta Matsui
- Department of Pathology and Matrix Biology, Graduate School of Medicine, Mie University, 2-174 Edobashi, Tsu 514-8507, Japan
| | - Sota Torii
- Department of Pathology and Matrix Biology, Graduate School of Medicine, Mie University, 2-174 Edobashi, Tsu 514-8507, Japan
| | - Shigeru Hara
- Department of Pathology and Matrix Biology, Graduate School of Medicine, Mie University, 2-174 Edobashi, Tsu 514-8507, Japan
| | - Kazuaki Maruyama
- Department of Pathology and Matrix Biology, Graduate School of Medicine, Mie University, 2-174 Edobashi, Tsu 514-8507, Japan
| | - Tomio Arai
- Department of Pathology, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology, 3-52 Sakaecho, Itabashi-ku, Tokyo 173-0015, Japan
| | - Kyoko Imanaka-Yoshida
- Department of Pathology and Matrix Biology, Graduate School of Medicine, Mie University, 2-174 Edobashi, Tsu 514-8507, Japan
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12
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Abstract
In recent years, the lymphatic system has received increasing attention due to the fast-growing number of findings about its diverse novel functional roles in health and disease. It is well documented that the lymphatic vasculature plays major roles in the maintenance of tissue-fluid balance, the immune response, and in lipid absorption. However, recent studies have identified an additional growing number of novel and sometimes unexpected functional roles of the lymphatic vasculature in normal and pathological conditions in different organs. Among those, cardiac lymphatics have been shown to play important roles in heart development, ischemic cardiac disease, and cardiac disorders. In this review, we will discuss some of those novel functional roles of cardiac lymphatics, as well as the therapeutic potential of targeting lymphatics for the treatment of cardiovascular diseases.
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Affiliation(s)
- Xiaolei Liu
- Lemole Center for Integrated Lymphatics Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania
| | - Guillermo Oliver
- Center for Vascular and Developmental Biology, Feinberg Cardiovascular and Renal Research Institute, Feinberg School of Medicine, Northwestern University, Chicago, IL
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13
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Coppola A, Lombari P, Mazzella E, Capolongo G, Simeoni M, Perna AF, Ingrosso D, Borriello M. Zebrafish as a Model of Cardiac Pathology and Toxicity: Spotlight on Uremic Toxins. Int J Mol Sci 2023; 24:ijms24065656. [PMID: 36982730 PMCID: PMC10052014 DOI: 10.3390/ijms24065656] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 03/13/2023] [Accepted: 03/14/2023] [Indexed: 03/18/2023] Open
Abstract
Chronic kidney disease (CKD) is an increasing health care problem. About 10% of the general population is affected by CKD, representing the sixth cause of death in the world. Cardiovascular events are the main mortality cause in CKD, with a cardiovascular risk 10 times higher in these patients than the rate observed in healthy subjects. The gradual decline of the kidney leads to the accumulation of uremic solutes with a negative effect on every organ, especially on the cardiovascular system. Mammalian models, sharing structural and functional similarities with humans, have been widely used to study cardiovascular disease mechanisms and test new therapies, but many of them are rather expensive and difficult to manipulate. Over the last few decades, zebrafish has become a powerful non-mammalian model to study alterations associated with human disease. The high conservation of gene function, low cost, small size, rapid growth, and easiness of genetic manipulation are just some of the features of this experimental model. More specifically, embryonic cardiac development and physiological responses to exposure to numerous toxin substances are similar to those observed in mammals, making zebrafish an ideal model to study cardiac development, toxicity, and cardiovascular disease.
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Affiliation(s)
- Annapaola Coppola
- Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Patrizia Lombari
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Elvira Mazzella
- Department of Translational Medical Science, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Giovanna Capolongo
- Department of Translational Medical Science, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Mariadelina Simeoni
- Department of Translational Medical Science, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Alessandra F. Perna
- Department of Translational Medical Science, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Diego Ingrosso
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
| | - Margherita Borriello
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy
- Correspondence:
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14
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Rolland L, Jopling C. The multifaceted nature of endogenous cardiac regeneration. Front Cardiovasc Med 2023; 10:1138485. [PMID: 36998973 PMCID: PMC10043193 DOI: 10.3389/fcvm.2023.1138485] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 02/09/2023] [Indexed: 03/15/2023] Open
Abstract
Since the first evidence of cardiac regeneration was observed, almost 50 years ago, more studies have highlighted the endogenous regenerative abilities of several models following cardiac injury. In particular, analysis of cardiac regeneration in zebrafish and neonatal mice has uncovered numerous mechanisms involved in the regenerative process. It is now apparent that cardiac regeneration is not simply achieved by inducing cardiomyocytes to proliferate but requires a multifaceted response involving numerous different cell types, signaling pathways and mechanisms which must all work in harmony in order for regeneration to occur. In this review we will endeavor to highlight a variety of processes that have been identifed as being essential for cardiac regeneration.
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15
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Filosa A, Sawamiphak S. Heart development and regeneration-a multi-organ effort. FEBS J 2023; 290:913-930. [PMID: 34894086 DOI: 10.1111/febs.16319] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 10/22/2021] [Accepted: 12/10/2021] [Indexed: 12/15/2022]
Abstract
Development of the heart, from early morphogenesis to functional maturation, as well as maintenance of its homeostasis are tasks requiring collaborative efforts of cardiac tissue and different extra-cardiac organ systems. The brain, lymphoid organs, and gut are among the interaction partners that can communicate with the heart through a wide array of paracrine signals acting at local or systemic level. Disturbance of cardiac homeostasis following ischemic injury also needs immediate response from these distant organs. Our hearts replace dead muscles with non-contractile fibrotic scars. We have learned from animal models capable of scarless repair that regenerative capability of the heart does not depend only on competency of the myocardium and cardiac-intrinsic factors but also on long-range molecular signals originating in other parts of the body. Here, we provide an overview of inter-organ signals that take part in development and regeneration of the heart. We highlight recent findings and remaining questions. Finally, we discuss the potential of inter-organ modulatory approaches for possible therapeutic use.
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Affiliation(s)
- Alessandro Filosa
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany
| | - Suphansa Sawamiphak
- Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association (MDC), Berlin, Germany.,DZHK (German Center for Cardiovascular Research), Partner Site Berlin, Germany
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16
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Liu X, Cui K, Wu H, Li KS, Peng Q, Wang D, Cowan DB, Dixon JB, Srinivasan RS, Bielenberg DR, Chen K, Wang DZ, Chen Y, Chen H. Promoting Lymphangiogenesis and Lymphatic Growth and Remodeling to Treat Cardiovascular and Metabolic Diseases. Arterioscler Thromb Vasc Biol 2023; 43:e1-e10. [PMID: 36453280 PMCID: PMC9780193 DOI: 10.1161/atvbaha.122.318406] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 11/15/2022] [Indexed: 12/03/2022]
Abstract
Lymphatic vessels are low-pressure, blind-ended tubular structures that play a crucial role in the maintenance of tissue fluid homeostasis, immune cell trafficking, and dietary lipid uptake and transport. Emerging research has indicated that the promotion of lymphatic vascular growth, remodeling, and function can reduce inflammation and diminish disease severity in several pathophysiologic conditions. In particular, recent groundbreaking studies have shown that lymphangiogenesis, which describes the formation of new lymphatic vessels from the existing lymphatic vasculature, can be beneficial for the alleviation and resolution of metabolic and cardiovascular diseases. Therefore, promoting lymphangiogenesis represents a promising therapeutic approach. This brief review summarizes the most recent findings related to the modulation of lymphatic function to treat metabolic and cardiovascular diseases such as obesity, myocardial infarction, atherosclerosis, and hypertension. We also discuss experimental and therapeutic approaches to enforce lymphatic growth and remodeling as well as efforts to define the molecular and cellular mechanisms underlying these processes.
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Affiliation(s)
- Xiaolei Liu
- Lemole Center for Integrated Lymphatics Research, Department of Cardiovascular Sciences, Lewis Katz School of Medicine, Temple University, Philadelphia, PA
| | - Kui Cui
- Vascular Biology Program, Department of Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, MA
| | - Hao Wu
- Vascular Biology Program, Department of Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, MA
| | - Kathryn S. Li
- Vascular Biology Program, Department of Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, MA
| | - Qianman Peng
- Vascular Biology Program, Department of Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, MA
| | - Donghai Wang
- Vascular Biology Program, Department of Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, MA
| | - Douglas B. Cowan
- Vascular Biology Program, Department of Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, MA
| | - J. Brandon Dixon
- George W. Woodruff School of Mechanical Engineering, Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA
| | - R. Sathish Srinivasan
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK
| | - Diane R. Bielenberg
- Vascular Biology Program, Department of Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, MA
| | - Kaifu Chen
- Department of Cardiology, Boston Children’s Hospital, Department of Pediatrics, Harvard Medical School, Boston, MA
| | - Da-Zhi Wang
- USF Heart Institute, Center for Regenerative Medicine, College of Medicine Internal Medicine, University of South Florida, Tampa, FL
| | - Yabing Chen
- Department of Pathology, Birmingham Veterans Affairs Medical Center, University of Alabama at Birmingham, Birmingham, AL
| | - Hong Chen
- Vascular Biology Program, Department of Surgery, Boston Children’s Hospital, Harvard Medical School, Boston, MA
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17
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The Impact of Stem/Progenitor Cells on Lymphangiogenesis in Vascular Disease. Cells 2022; 11:cells11244056. [PMID: 36552820 PMCID: PMC9776475 DOI: 10.3390/cells11244056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 12/03/2022] [Accepted: 12/12/2022] [Indexed: 12/16/2022] Open
Abstract
Lymphatic vessels, as the main tube network of fluid drainage and leukocyte transfer, are responsible for the maintenance of homeostasis and pathological repairment. Recently, by using genetic lineage tracing and single-cell RNA sequencing techniques, significant cognitive progress has been made about the impact of stem/progenitor cells during lymphangiogenesis. In the embryonic stage, the lymphatic network is primarily formed through self-proliferation and polarized-sprouting from the lymph sacs. However, the assembly of lymphatic stem/progenitor cells also guarantees the sustained growth of lymphvasculogenesis to obtain the entire function. In addition, there are abundant sources of stem/progenitor cells in postnatal tissues, including circulating progenitors, mesenchymal stem cells, and adipose tissue stem cells, which can directly differentiate into lymphatic endothelial cells and participate in lymphangiogenesis. Specifically, recent reports indicated a novel function of lymphangiogenesis in transplant arteriosclerosis and atherosclerosis. In the present review, we summarized the latest evidence about the diversity and incorporation of stem/progenitor cells in lymphatic vasculature during both the embryonic and postnatal stages, with emphasis on the impact of lymphangiogenesis in the development of vascular diseases to provide a rational guidance for future research.
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18
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Fin ray branching is defined by TRAP + osteolytic tubules in zebrafish. Proc Natl Acad Sci U S A 2022; 119:e2209231119. [PMID: 36417434 PMCID: PMC9889879 DOI: 10.1073/pnas.2209231119] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The shaping of bone structures relies on various cell types and signaling pathways. Here, we use the zebrafish bifurcating fin rays during regeneration to investigate bone patterning. We found that the regenerating fin rays form via two mineralization fronts that undergo an osteoblast-dependent fusion/stitching until the branchpoint, and that bifurcation is not simply the splitting of one unit into two. We identified tartrate-resistant acid phosphatase-positive osteolytic tubular structures at the branchpoints, hereafter named osteolytic tubules (OLTs). Chemical inhibition of their bone-resorbing activity strongly impairs ray bifurcation, indicating that OLTs counteract the stitching process. Furthermore, by testing different osteoactive compounds, we show that the position of the branchpoint depends on the balance between bone mineralization and resorption activities. Overall, these findings provide a unique perspective on fin ray formation and bifurcation, and reveal a key role for OLTs in defining the proximo-distal position of the branchpoint.
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19
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Zhang Y, Ortsäter H, Martinez-Corral I, Mäkinen T. Cdh5-lineage-independent origin of dermal lymphatics shown by temporally restricted lineage tracing. Life Sci Alliance 2022; 5:5/11/e202201561. [PMID: 35961777 PMCID: PMC9375154 DOI: 10.26508/lsa.202201561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 11/24/2022] Open
Abstract
Temporally restricted lineage tracing reveals a non-venous source of dermal lymphatic vessels and highlights Cre induction strategy as a critical parameter for stage-specific cell labeling. The developmental origins of lymphatic endothelial cells (LECs) have been under intense research after a century-long debate. Although previously thought to be of solely venous endothelial origin, additional sources of LECs were recently identified in multiple tissues in mice. Here, we investigated the regional differences in the origin(s) of the dermal lymphatic vasculature by lineage tracing using the pan-endothelial Cdh5-CreERT2 line. Tamoxifen-induced labeling of blood ECs at E9.5, before initiation of lymphatic development, traced most of the dermal LECs but with lower efficiency in the lumbar compared with the cervical skin. By contrast, when used at E9.5 but not at E11.5, 4-hydroxytamoxifen, the active metabolite of tamoxifen that provides a tighter window of Cre activity, revealed low labeling frequency of LECs, and lymphvasculogenic clusters in the lumbar skin in particular. Temporally restricted lineage tracing thus reveals contribution of LECs of Cdh5-lineage–independent origin to dermal lymphatic vasculature. Our results further highlight Cre induction strategy as a critical parameter in defining the temporal window for stage-specific lineage tracing during early developmental stages of rapid tissue differentiation.
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Affiliation(s)
- Yan Zhang
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Henrik Ortsäter
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Ines Martinez-Corral
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Taija Mäkinen
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
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20
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Abstract
Heart regenerative medicine has been gradually evolving from a view of the heart as a nonregenerative organ with terminally differentiated cardiac muscle cells. Understanding the biology of the heart during homeostasis and in response to injuries has led to the realization that cellular communication between all cardiac cell types holds great promise for treatments. Indeed, recent studies highlight new disease-reversion concepts in addition to cardiomyocyte renewal, such as matrix- and vascular-targeted therapies, and immunotherapy with a focus on inflammation and fibrosis. In this review, we will discuss the cross-talk within the cardiac microenvironment and how specific therapies aim to target the hostile cardiac milieu under pathological conditions.
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Affiliation(s)
- Eldad Tzahor
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Stefanie Dimmeler
- Institute of Cardiovascular Regeneration, Center of Molecular Medicine, Goethe University Frankfurt, 60594 Frankfurt, Germany.,Cardiopulmonary Institute, Goethe University Frankfurt, Frankfurt, Germany.,German Center for Cardiovascular Research, RheinMain, Frankfurt, Germany
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21
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Chen J, He J, Luo L. Brain vascular damage-induced lymphatic ingrowth is directed by Cxcl12b/Cxcr4a. Development 2022; 149:275687. [PMID: 35694896 DOI: 10.1242/dev.200729] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 06/06/2022] [Indexed: 12/15/2022]
Abstract
After ischemic stroke, promotion of vascular regeneration without causing uncontrolled vessel growth appears to be the major challenge for pro-angiogenic therapies. The molecular mechanisms underlying how nascent blood vessels (BVs) are correctly guided into the post-ischemic infarction area remain unknown. Here, using a zebrafish cerebrovascular injury model, we show that chemokine signaling provides crucial guidance cues to determine the growing direction of ingrown lymphatic vessels (iLVs) and, in turn, that of nascent BVs. The chemokine receptor Cxcr4a is transcriptionally activated in the iLVs after injury, whereas its ligand Cxcl12b is expressed in the residual central BVs, the destinations of iLV ingrowth. Mutant and mosaic studies indicate that Cxcl12b/Cxcr4a-mediated chemotaxis is necessary and sufficient to determine the growing direction of iLVs and nascent BVs. This study provides a molecular basis for how the vessel directionality of cerebrovascular regeneration is properly determined, suggesting potential application of Cxcl12b/Cxcr4a in the development of post-ischemic pro-angiogenic therapies.
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Affiliation(s)
- Jingying Chen
- Institute of Developmental Biology and Regenerative Medicine, Southwest University, Beibei, 400715 Chongqing, China.,University of Chinese Academy of Sciences (Chongqing), Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beibei, 400714 Chongqing, China
| | - Jianbo He
- Institute of Developmental Biology and Regenerative Medicine, Southwest University, Beibei, 400715 Chongqing, China
| | - Lingfei Luo
- Institute of Developmental Biology and Regenerative Medicine, Southwest University, Beibei, 400715 Chongqing, China.,University of Chinese Academy of Sciences (Chongqing), Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beibei, 400714 Chongqing, China
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22
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Ross Stewart KM, Walker SL, Baker AH, Riley PR, Brittan M. Hooked on heart regeneration: the zebrafish guide to recovery. Cardiovasc Res 2022; 118:1667-1679. [PMID: 34164652 PMCID: PMC9215194 DOI: 10.1093/cvr/cvab214] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 06/22/2021] [Indexed: 12/23/2022] Open
Abstract
While humans lack sufficient capacity to undergo cardiac regeneration following injury, zebrafish can fully recover from a range of cardiac insults. Over the past two decades, our understanding of the complexities of both the independent and co-ordinated injury responses by multiple cardiac tissues during zebrafish heart regeneration has increased exponentially. Although cardiomyocyte regeneration forms the cornerstone of the reparative process in the injured zebrafish heart, recent studies have shown that this is dependent on prior neovascularization and lymphangiogenesis, which in turn require epicardial, endocardial, and inflammatory cell signalling within an extracellular milieu that is optimized for regeneration. Indeed, it is the amalgamation of multiple regenerative systems and gene regulatory patterns that drives the much-heralded success of the adult zebrafish response to cardiac injury. Increasing evidence supports the emerging paradigm that developmental transcriptional programmes are re-activated during adult tissue regeneration, including in the heart, and the zebrafish represents an optimal model organism to explore this concept. In this review, we summarize recent advances from the zebrafish cardiovascular research community with novel insight into the mechanisms associated with endogenous cardiovascular repair and regeneration, which may be of benefit to inform future strategies for patients with cardiovascular disease.
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Affiliation(s)
- Katherine M Ross Stewart
- Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Sophie L Walker
- Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Andrew H Baker
- Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Paul R Riley
- Department of Physiology, Anatomy & Genetics, University of Oxford, Sherrington Building, Sherrington Rd, Oxford OX1 3PT, UK
| | - Mairi Brittan
- Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
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23
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Abstract
Heart disease is the leading cause of death worldwide. Despite decades of research, most heart pathologies have limited treatments, and often the only curative approach is heart transplantation. Thus, there is an urgent need to develop new therapeutic approaches for treating cardiac diseases. Animal models that reproduce the human pathophysiology are essential to uncovering the biology of diseases and discovering therapies. Traditionally, mammals have been used as models of cardiac disease, but the cost of generating and maintaining new models is exorbitant, and the studies have very low throughput. In the last decade, the zebrafish has emerged as a tractable model for cardiac diseases, owing to several characteristics that made this animal popular among developmental biologists. Zebrafish fertilization and development are external; embryos can be obtained in high numbers, are cheap and easy to maintain, and can be manipulated to create new genetic models. Moreover, zebrafish exhibit an exceptional ability to regenerate their heart after injury. This review summarizes 25 years of research using the zebrafish to study the heart, from the classical forward screenings to the contemporary methods to model mutations found in patients with cardiac disease. We discuss the advantages and limitations of this model organism and introduce the experimental approaches exploited in zebrafish, including forward and reverse genetics and chemical screenings. Last, we review the models used to induce cardiac injury and essential ideas derived from studying natural regeneration. Studies using zebrafish have the potential to accelerate the discovery of new strategies to treat cardiac diseases.
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Affiliation(s)
- Juan Manuel González-Rosa
- Cardiovascular Research Center, Massachusetts General Hospital Research Institute, Harvard Medical School, Charlestown, MA
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24
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Das RN, Tevet Y, Safriel S, Han Y, Moshe N, Lambiase G, Bassi I, Nicenboim J, Brückner M, Hirsch D, Eilam-Altstadter R, Herzog W, Avraham R, Poss KD, Yaniv K. Generation of specialized blood vessels via lymphatic transdifferentiation. Nature 2022; 606:570-575. [PMID: 35614218 PMCID: PMC9875863 DOI: 10.1038/s41586-022-04766-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 04/14/2022] [Indexed: 01/27/2023]
Abstract
The lineage and developmental trajectory of a cell are key determinants of cellular identity. In the vascular system, endothelial cells (ECs) of blood and lymphatic vessels differentiate and specialize to cater to the unique physiological demands of each organ1,2. Although lymphatic vessels were shown to derive from multiple cellular origins, lymphatic ECs (LECs) are not known to generate other cell types3,4. Here we use recurrent imaging and lineage-tracing of ECs in zebrafish anal fins, from early development to adulthood, to uncover a mechanism of specialized blood vessel formation through the transdifferentiation of LECs. Moreover, we demonstrate that deriving anal-fin vessels from lymphatic versus blood ECs results in functional differences in the adult organism, uncovering a link between cell ontogeny and functionality. We further use single-cell RNA-sequencing analysis to characterize the different cellular populations and transition states involved in the transdifferentiation process. Finally, we show that, similar to normal development, the vasculature is rederived from lymphatics during anal-fin regeneration, demonstrating that LECs in adult fish retain both potency and plasticity for generating blood ECs. Overall, our research highlights an innate mechanism of blood vessel formation through LEC transdifferentiation, and provides in vivo evidence for a link between cell ontogeny and functionality in ECs.
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Affiliation(s)
- Rudra N. Das
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel, Corresponding Authors Karina Yaniv Department of Biological Regulation, Weizmann Institute of Science, Rehovot, 76100, Israel, , Rudra N. Das Department of Biological Regulation, Weizmann Institute of Science, Rehovot, 76100, Israel,
| | - Yaara Tevet
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Stav Safriel
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Yanchao Han
- Duke Regeneration Center, Department of Cell Biology, Duke University School of Medicine, Durham, United States, Institute for Cardiovascular Science, Medical College, Soochow University, Suzhou, China
| | - Noga Moshe
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Giuseppina Lambiase
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Ivan Bassi
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Julian Nicenboim
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Matthias Brückner
- University of Muenster and Max Plank Institute for Molecular Biomedicine, Muenster, Germany
| | - Dana Hirsch
- Department of Veterinary Resources, Weizmann Institute of Science, Rehovot, Israel
| | | | - Wiebke Herzog
- University of Muenster and Max Plank Institute for Molecular Biomedicine, Muenster, Germany
| | - Roi Avraham
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Kenneth D. Poss
- Duke Regeneration Center, Department of Cell Biology, Duke University School of Medicine, Durham, United States
| | - Karina Yaniv
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel, Corresponding Authors Karina Yaniv Department of Biological Regulation, Weizmann Institute of Science, Rehovot, 76100, Israel, , Rudra N. Das Department of Biological Regulation, Weizmann Institute of Science, Rehovot, 76100, Israel,
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25
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El-Sammak H, Yang B, Guenther S, Chen W, Marín-Juez R, Stainier DY. A Vegfc-Emilin2a-Cxcl8a Signaling Axis Required for Zebrafish Cardiac Regeneration. Circ Res 2022; 130:1014-1029. [PMID: 35264012 PMCID: PMC8976759 DOI: 10.1161/circresaha.121.319929] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
BACKGROUND Ischemic heart disease following the obstruction of coronary vessels leads to the death of cardiac tissue and the formation of a fibrotic scar. In contrast to adult mammals, zebrafish can regenerate their heart after injury, enabling the study of the underlying mechanisms. One of the earliest responses following cardiac injury in adult zebrafish is coronary revascularization. Defects in this process lead to impaired cardiomyocyte repopulation and scarring. Hence, identifying and investigating factors that promote coronary revascularization holds great therapeutic potential. METHODS We used wholemount imaging, immunohistochemistry and histology to assess various aspects of zebrafish cardiac regeneration. Deep transcriptomic analysis allowed us to identify targets and potential effectors of Vegfc (vascular endothelial growth factor C) signaling. We used newly generated loss- and gain-of-function genetic tools to investigate the role of Emilin2a (elastin microfibril interfacer 2a) and Cxcl8a (chemokine (C-X-C) motif ligand 8a)-Cxcr1 (chemokine (C-X-C) motif receptor 1) signaling in cardiac regeneration. RESULTS We first show that regenerating coronary endothelial cells upregulate vegfc upon cardiac injury in adult zebrafish and that Vegfc signaling is required for their proliferation during regeneration. Notably, blocking Vegfc signaling also significantly reduces cardiomyocyte dedifferentiation and proliferation. Using transcriptomic analyses, we identified emilin2a as a target of Vegfc signaling and found that manipulation of emilin2a expression can modulate coronary revascularization as well as cardiomyocyte proliferation. Mechanistically, Emilin2a induces the expression of the chemokine gene cxcl8a in epicardium-derived cells, while cxcr1, the Cxcl8a receptor gene, is expressed in coronary endothelial cells. We further show that Cxcl8a-Cxcr1 signaling is also required for coronary endothelial cell proliferation during cardiac regeneration. CONCLUSIONS These data show that after cardiac injury, coronary endothelial cells upregulate vegfc to promote coronary network reestablishment and cardiac regeneration. Mechanistically, Vegfc signaling upregulates epicardial emilin2a and cxcl8a expression to promote cardiac regeneration. These studies aid in understanding the mechanisms underlying coronary revascularization in zebrafish, with potential therapeutic implications to enhance revascularization and regeneration in injured human hearts.
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Affiliation(s)
- Hadil El-Sammak
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231 Bad Nauheim, Germany
- German Centre for Cardiovascular Research (DZHK) Partner Site Rhine-Main, Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
- Cardio-Pulmonary Institute, Frankfurt, Germany
| | - Bingyuan Yang
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN 37232, USA
| | - Stefan Guenther
- German Centre for Cardiovascular Research (DZHK) Partner Site Rhine-Main, Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
- Cardio-Pulmonary Institute, Frankfurt, Germany
- Bioinformatics and Deep Sequencing Platform, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231 Bad Nauheim, Germany
| | - Wenbiao Chen
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN 37232, USA
| | - Rubén Marín-Juez
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231 Bad Nauheim, Germany
- German Centre for Cardiovascular Research (DZHK) Partner Site Rhine-Main, Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
- Current address: Centre Hospitalier Universitaire Sainte-Justine Research Center, 3175 Chemin de la Côte-Sainte-Catherine, H3T 1C5 Montréal, QC, Canada, Department of Pathology and Cell Biology, University of Montreal, Montréal, QC H3T 1J4, Canada
| | - Didier Y.R. Stainier
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, 61231 Bad Nauheim, Germany
- German Centre for Cardiovascular Research (DZHK) Partner Site Rhine-Main, Max Planck Institute for Heart and Lung Research, 61231 Bad Nauheim, Germany
- Cardio-Pulmonary Institute, Frankfurt, Germany
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26
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Cardiac lymphatics: state of the art. Curr Opin Hematol 2022; 29:156-165. [PMID: 35220321 DOI: 10.1097/moh.0000000000000713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW The beneficial role of cardiac lymphatics in health and disease has begun to be recognized, with both preclinical and clinical evidence demonstrating that lymphangiogenesis is activated in cardiovascular diseases. This review aims to summarize our current understanding of the regulation and impact of cardiac lymphatic remodeling during development and in adult life, highlighting emerging concepts regarding distinguishing traits of cardiac lymphatic endothelial cells (LEC). RECENT FINDINGS Genetic lineage-tracing and clonal analyses have revealed that a proportion of cardiac LECs originate from nonvenous sources. Further, these sources may vary between different regions of the heart, and could translate to differences in LEC sensitivity to molecular regulators. Several therapeutic approaches have been applied to investigate how lymphatics contribute to resolution of myocardial edema and inflammation in cardiovascular diseases. From these studies have emerged novel insights, notably concerning the cross-talk between lymphatics and cardiac interstitial cells, especially immune cells. SUMMARY Recent years have witnessed a significant expansion in our knowledge of the molecular characteristics and regulation of cardiac lymphatics. The current body of work is in support of critical contributions of cardiac lymphatics to maintain both fluid and immune homeostasis in the heart.
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Harris NR, Nielsen NR, Pawlak JB, Aghajanian A, Rangarajan K, Serafin DS, Farber G, Dy DM, Nelson-Maney NP, Xu W, Ratra D, Hurr SH, Qian L, Scallan JP, Caron KM. VE-Cadherin Is Required for Cardiac Lymphatic Maintenance and Signaling. Circ Res 2022; 130:5-23. [PMID: 34789016 PMCID: PMC8756423 DOI: 10.1161/circresaha.121.318852] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND The adherens protein VE-cadherin (vascular endothelial cadherin) has diverse roles in organ-specific lymphatic vessels. However, its physiological role in cardiac lymphatics and its interaction with lymphangiogenic factors has not been fully explored. We sought to determine the spatiotemporal functions of VE-cadherin in cardiac lymphatics and mechanistically elucidate how VE-cadherin loss influences prolymphangiogenic signaling pathways, such as adrenomedullin and VEGF (vascular endothelial growth factor)-C/VEGFR3 (vascular endothelial growth factor receptor 3) signaling. METHODS Cdh5flox/flox;Prox1CreERT2 mice were used to delete VE-cadherin in lymphatic endothelial cells across life stages, including embryonic, postnatal, and adult. Lymphatic architecture and function was characterized using immunostaining and functional lymphangiography. To evaluate the impact of temporal and functional regression of cardiac lymphatics in Cdh5flox/flox;Prox1CreERT2 mice, left anterior descending artery ligation was performed and cardiac function and repair after myocardial infarction was evaluated by echocardiography and histology. Cellular effects of VE-cadherin deletion on lymphatic signaling pathways were assessed by knockdown of VE-cadherin in cultured lymphatic endothelial cells. RESULTS Embryonic deletion of VE-cadherin produced edematous embryos with dilated cardiac lymphatics with significantly altered vessel tip morphology. Postnatal deletion of VE-cadherin caused complete disassembly of cardiac lymphatics. Adult deletion caused a temporal regression of the quiescent epicardial lymphatic network which correlated with significant dermal and cardiac lymphatic dysfunction, as measured by fluorescent and quantum dot lymphangiography, respectively. Surprisingly, despite regression of cardiac lymphatics, Cdh5flox/flox;Prox1CreERT2 mice exhibited preserved cardiac function, both at baseline and following myocardial infarction, compared with control mice. Mechanistically, loss of VE-cadherin leads to aberrant cellular internalization of VEGFR3, precluding the ability of VEGFR3 to be either canonically activated by VEGF-C or noncanonically transactivated by adrenomedullin signaling, impairing downstream processes such as cellular proliferation. CONCLUSIONS VE-cadherin is an essential scaffolding protein to maintain prolymphangiogenic signaling nodes at the plasma membrane, which are required for the development and adult maintenance of cardiac lymphatics, but not for cardiac function basally or after injury.
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Affiliation(s)
- Natalie R. Harris
- Department of Cell Biology and Physiology, University of
North Carolina at Chapel Hill; 111 Mason Farm Road, Chapel Hill, North Carolina, USA
27599
| | - Natalie R. Nielsen
- Department of Cell Biology and Physiology, University of
North Carolina at Chapel Hill; 111 Mason Farm Road, Chapel Hill, North Carolina, USA
27599
| | - John B. Pawlak
- Department of Cell Biology and Physiology, University of
North Carolina at Chapel Hill; 111 Mason Farm Road, Chapel Hill, North Carolina, USA
27599
| | - Amir Aghajanian
- Department of Medicine Division of Cardiology, University
of North Carolina at Chapel Hill; 160 Dental Circle, Chapel Hill, North Carolina,
USA 27599
| | - Krsna Rangarajan
- Department of Cell Biology and Physiology, University of
North Carolina at Chapel Hill; 111 Mason Farm Road, Chapel Hill, North Carolina, USA
27599
| | - D. Stephen Serafin
- Department of Cell Biology and Physiology, University of
North Carolina at Chapel Hill; 111 Mason Farm Road, Chapel Hill, North Carolina, USA
27599
| | - Gregory Farber
- Department of Pathology and Laboratory Medicine, University
of North Carolina at Chapel Hill; 111 Mason Farm Road, Chapel Hill, North Carolina,
USA 27599,McAllister Heart Institute, University of North Carolina,
Chapel Hill, North Carolina, USA 27599
| | - Danielle M. Dy
- Department of Cell Biology and Physiology, University of
North Carolina at Chapel Hill; 111 Mason Farm Road, Chapel Hill, North Carolina, USA
27599
| | - Nathan P. Nelson-Maney
- Department of Cell Biology and Physiology, University of
North Carolina at Chapel Hill; 111 Mason Farm Road, Chapel Hill, North Carolina, USA
27599
| | - Wenjing Xu
- Department of Cell Biology and Physiology, University of
North Carolina at Chapel Hill; 111 Mason Farm Road, Chapel Hill, North Carolina, USA
27599
| | - Disha Ratra
- Department of Cell Biology and Physiology, University of
North Carolina at Chapel Hill; 111 Mason Farm Road, Chapel Hill, North Carolina, USA
27599
| | - Sophia H. Hurr
- Department of Cell Biology and Physiology, University of
North Carolina at Chapel Hill; 111 Mason Farm Road, Chapel Hill, North Carolina, USA
27599
| | - Li Qian
- Department of Pathology and Laboratory Medicine, University
of North Carolina at Chapel Hill; 111 Mason Farm Road, Chapel Hill, North Carolina,
USA 27599
| | - Joshua P. Scallan
- Department of Molecular Pharmacology and Physiology,
University of South Florida, Tampa, Florida, USA 33612
| | - Kathleen M. Caron
- Department of Cell Biology and Physiology, University of
North Carolina at Chapel Hill; 111 Mason Farm Road, Chapel Hill, North Carolina, USA
27599
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28
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Chowdhury K, Lai SL, Marín-Juez R. Modulation of VEGFA Signaling During Heart Regeneration in Zebrafish. Methods Mol Biol 2022; 2475:297-312. [PMID: 35451767 DOI: 10.1007/978-1-0716-2217-9_22] [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] [Indexed: 06/14/2023]
Abstract
Over the last decades, myocardial infarction and heart failure have accounted every year for millions of deaths worldwide. After a coronary occlusion, the lack of blood supply to downstream muscle leads to cell death and scarring. To date, several pro-angiogenic factors have been tested to stimulate reperfusion of the affected myocardium, VEGFA being one of the most extensively studied. Given the unsuccessful outcomes of clinical trials, understanding how cardiac revascularization takes place in models with endogenous regenerative capacity holds the key to devising more efficient therapies. Here, we summarize the main findings on VEGFA's role during cardiac repair and regeneration, with a particular focus on zebrafish as a regenerative model. Moreover, we provide a comprehensive overview of available tools to modulate Vegfa expression and action in zebrafish regeneration studies. Understanding the role of Vegfa during zebrafish heart regeneration may help devise efficient therapies and circumvent current limitations in using VEGFA for therapeutic angiogenesis approaches.
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Affiliation(s)
- Kaushik Chowdhury
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
- Taiwan International Graduate Program in Molecular Medicine, National Yang Ming Chiao Tung University and Academia Sinica, Taipei, Taiwan
| | - Shih-Lei Lai
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
- Taiwan International Graduate Program in Molecular Medicine, National Yang Ming Chiao Tung University and Academia Sinica, Taipei, Taiwan
| | - Rubén Marín-Juez
- Centre Hospitalier Universitaire Sainte-Justine Research Centre, Montreal, QC, Canada.
- Department of Pathology and Cell Biology, University of Montreal, Montreal, QC, Canada.
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29
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Donnan MD, Kenig-Kozlovsky Y, Quaggin SE. The lymphatics in kidney health and disease. Nat Rev Nephrol 2021; 17:655-675. [PMID: 34158633 DOI: 10.1038/s41581-021-00438-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/04/2021] [Indexed: 02/07/2023]
Abstract
The mammalian vascular system consists of two networks: the blood vascular system and the lymphatic vascular system. Throughout the body, the lymphatic system contributes to homeostatic mechanisms by draining extravasated interstitial fluid and facilitating the trafficking and activation of immune cells. In the kidney, lymphatic vessels exist mainly in the kidney cortex. In the medulla, the ascending vasa recta represent a hybrid lymphatic-like vessel that performs lymphatic-like roles in interstitial fluid reabsorption. Although the lymphatic network is mainly derived from the venous system, evidence supports the existence of lymphatic beds that are of non-venous origin. Following their development and maturation, lymphatic vessel density remains relatively stable; however, these vessels undergo dynamic functional changes to meet tissue demands. Additionally, new lymphatic growth, or lymphangiogenesis, can be induced by pathological conditions such as tissue injury, interstitial fluid overload, hyperglycaemia and inflammation. Lymphangiogenesis is also associated with conditions such as polycystic kidney disease, hypertension, ultrafiltration failure and transplant rejection. Although lymphangiogenesis has protective functions in clearing accumulated fluid and immune cells, the kidney lymphatics may also propagate an inflammatory feedback loop, exacerbating inflammation and fibrosis. Greater understanding of lymphatic biology, including the developmental origin and function of the lymphatics and their response to pathogenic stimuli, may aid the development of new therapeutic agents that target the lymphatic system.
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Affiliation(s)
- Michael D Donnan
- Feinberg Cardiovascular & Renal Research Institute, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Division of Nephrology & Hypertension, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | | | - Susan E Quaggin
- Feinberg Cardiovascular & Renal Research Institute, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
- Division of Nephrology & Hypertension, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
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30
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Chen J, Li X, Ni R, Chen Q, Yang Q, He J, Luo L. Acute brain vascular regeneration occurs via lymphatic transdifferentiation. Dev Cell 2021; 56:3115-3127.e6. [PMID: 34562378 DOI: 10.1016/j.devcel.2021.09.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 07/08/2021] [Accepted: 09/02/2021] [Indexed: 12/12/2022]
Abstract
Acute ischemic stroke damages the regional brain blood vessel (BV) network. Acute recovery of basic blood flows, which is carried out by the earliest regenerated BVs, are critical to improve clinical outcomes and minimize lethality. Although the late-regenerated BVs form via growing along the meninge-derived ingrown lymphatic vessels (iLVs), mechanisms underlying the early, acute BV regeneration remain elusive. Using zebrafish cerebrovascular injury models, we show that the earliest regenerated BVs come from lymphatic transdifferentiation, a hitherto unappreciated process in vertebrates. Mechanistically, the LV-to-BV transdifferentiation occurs exclusively in the stand-alone iLVs through Notch activation. In the track iLVs adhered by late-regenerated BVs, transdifferentiation never occurs because the BV-expressing EphrinB2a paracellularly activates the iLV-expressing EphB4a to inhibit Notch activation. Suppression of LV-to-BV transdifferentiation blocks acute BV regeneration and becomes lethal. These results demonstrate that acute BV regeneration occurs via lymphatic transdifferentiation, suggesting this process and key regulatory molecules EphrinB2a/EphB4a/Notch as new postischemic therapeutic targets.
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Affiliation(s)
- Jingying Chen
- Institute of Developmental Biology and Regenerative Medicine, Southwest University, Beibei 400715, Chongqing, China; University of Chinese Academy of Sciences (Chongqing), Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beibei 400714, Chongqing, China
| | - Xiuhua Li
- Institute of Developmental Biology and Regenerative Medicine, Southwest University, Beibei 400715, Chongqing, China
| | - Rui Ni
- Institute of Developmental Biology and Regenerative Medicine, Southwest University, Beibei 400715, Chongqing, China
| | - Qi Chen
- Institute of Developmental Biology and Regenerative Medicine, Southwest University, Beibei 400715, Chongqing, China
| | - Qifen Yang
- Institute of Developmental Biology and Regenerative Medicine, Southwest University, Beibei 400715, Chongqing, China
| | - Jianbo He
- Institute of Developmental Biology and Regenerative Medicine, Southwest University, Beibei 400715, Chongqing, China
| | - Lingfei Luo
- Institute of Developmental Biology and Regenerative Medicine, Southwest University, Beibei 400715, Chongqing, China; University of Chinese Academy of Sciences (Chongqing), Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beibei 400714, Chongqing, China.
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31
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Abstract
Lymphatic vessels maintain tissue fluid homeostasis by returning to blood circulation interstitial fluid that has extravasated from the blood capillaries. They provide a trafficking route for cells of the immune system, thus critically contributing to immune surveillance. Developmental or functional defects in the lymphatic vessels, their obstruction or damage, lead to accumulation of fluid in tissues, resulting in lymphedema. Here we discuss developmental lymphatic anomalies called lymphatic malformations and complex lymphatic anomalies that manifest as localized or multifocal lesions of the lymphatic vasculature, respectively. They are rare diseases that are caused mostly by somatic mutations and can present with variable symptoms based upon the size and location of the lesions composed of fluid-filled cisterns or channels. Substantial progress has been made recently in understanding the molecular basis of their pathogenesis through the identification of their genetic causes, combined with the elucidation of the underlying mechanisms in animal disease models and patient-derived lymphatic endothelial cells. Most of the solitary somatic mutations that cause lymphatic malformations and complex lymphatic anomalies occur in genes that encode components of oncogenic growth factor signal transduction pathways. This has led to successful repurposing of some targeted cancer therapeutics to the treatment of lymphatic malformations and complex lymphatic anomalies. Apart from the mutations that act as lymphatic endothelial cell-autonomous drivers of these anomalies, current evidence points to superimposed paracrine mechanisms that critically contribute to disease pathogenesis and thus provide additional targets for therapeutic intervention. Here, we review these advances and discuss new treatment strategies that are based on the recently identified molecular pathways.
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Affiliation(s)
- Taija Mäkinen
- Department of Immunology, Genetics and Pathology, Uppsala University, Sweden (T.M.)
| | - Laurence M Boon
- Division of Plastic Surgery, Center for Vascular Anomalies, Cliniques Universitaires Saint Luc, UCLouvain, Brussels, Belgium (L.M.B.).,Human Molecular Genetics, de Duve Institute, University of Louvain, Brussels, Belgium (L.M.B., M.V.)
| | - Miikka Vikkula
- Human Molecular Genetics, de Duve Institute, University of Louvain, Brussels, Belgium (L.M.B., M.V.).,Walloon Excellence in Lifesciences and Biotechnology, University of Louvain, Brussels, Belgium (M.V.)
| | - Kari Alitalo
- Wihuri Research Institute and Translational Cancer Medicine Program, Biomedicum, University of Helsinki, Finland (K.A.)
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32
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Stone OA, Zhou B, Red-Horse K, Stainier DYR. Endothelial ontogeny and the establishment of vascular heterogeneity. Bioessays 2021; 43:e2100036. [PMID: 34145927 DOI: 10.1002/bies.202100036] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/19/2021] [Accepted: 04/21/2021] [Indexed: 02/06/2023]
Abstract
The establishment of distinct cellular identities was pivotal during the evolution of Metazoa, enabling the emergence of an array of specialized tissues with different functions. In most animals including vertebrates, cell specialization occurs in response to a combination of intrinsic (e.g., cellular ontogeny) and extrinsic (e.g., local environment) factors that drive the acquisition of unique characteristics at the single-cell level. The first functional organ system to form in vertebrates is the cardiovascular system, which is lined by a network of endothelial cells whose organ-specific characteristics have long been recognized. Recent genetic analyses at the single-cell level have revealed that heterogeneity exists not only at the organ level but also between neighboring endothelial cells. Thus, how endothelial heterogeneity is established has become a key question in vascular biology. Drawing upon evidence from multiple organ systems, here we will discuss the role that lineage history may play in establishing endothelial heterogeneity.
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Affiliation(s)
- Oliver A Stone
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK
| | - Bin Zhou
- The State Key Laboratory of Cell Biology, CAS Center for Excellence on Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Kristy Red-Horse
- Department of Biology, Stanford Cardiovascular Institute, Institute for Stem Cell Biology and Regenerative Medicine, Stanford University, Stanford, California, USA
| | - Didier Y R Stainier
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
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33
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Jerafi-Vider A, Bassi I, Moshe N, Tevet Y, Hen G, Splittstoesser D, Shin M, Lawson ND, Yaniv K. VEGFC/FLT4-induced cell-cycle arrest mediates sprouting and differentiation of venous and lymphatic endothelial cells. Cell Rep 2021; 35:109255. [PMID: 34133928 PMCID: PMC8220256 DOI: 10.1016/j.celrep.2021.109255] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 03/01/2021] [Accepted: 05/24/2021] [Indexed: 02/07/2023] Open
Abstract
The formation of new vessels requires a tight synchronization between proliferation, differentiation, and sprouting. However, how these processes are differentially activated, often by neighboring endothelial cells (ECs), remains unclear. Here, we identify cell cycle progression as a regulator of EC sprouting and differentiation. Using transgenic zebrafish illuminating cell cycle stages, we show that venous and lymphatic precursors sprout from the cardinal vein exclusively in G1 and reveal that cell-cycle arrest is induced in these ECs by overexpression of p53 and the cyclin-dependent kinase (CDK) inhibitors p27 and p21. We further demonstrate that, in vivo, forcing G1 cell-cycle arrest results in enhanced vascular sprouting. Mechanistically, we identify the mitogenic VEGFC/VEGFR3/ERK axis as a direct inducer of cell-cycle arrest in ECs and characterize the cascade of events that render "sprouting-competent" ECs. Overall, our results uncover a mechanism whereby mitogen-controlled cell-cycle arrest boosts sprouting, raising important questions about the use of cell cycle inhibitors in pathological angiogenesis and lymphangiogenesis.
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Affiliation(s)
- Ayelet Jerafi-Vider
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Ivan Bassi
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Noga Moshe
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Yaara Tevet
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Gideon Hen
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Daniel Splittstoesser
- Department of Molecular, Cell, and Cancer Biology, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Masahiro Shin
- Department of Molecular, Cell, and Cancer Biology, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Nathan D Lawson
- Department of Molecular, Cell, and Cancer Biology, University of Massachusetts Medical School, Worcester, MA 01605, USA
| | - Karina Yaniv
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 76100, Israel.
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34
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Francois M, Oszmiana A, Harvey NL. When form meets function: the cells and signals that shape the lymphatic vasculature during development. Development 2021; 148:268989. [PMID: 34080610 DOI: 10.1242/dev.167098] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The lymphatic vasculature is an integral component of the cardiovascular system. It is essential to maintain tissue fluid homeostasis, direct immune cell trafficking and absorb dietary lipids from the digestive tract. Major advances in our understanding of the genetic and cellular events important for constructing the lymphatic vasculature during development have recently been made. These include the identification of novel sources of lymphatic endothelial progenitor cells, the recognition of lymphatic endothelial cell specialisation and heterogeneity, and discovery of novel genes and signalling pathways underpinning developmental lymphangiogenesis. Here, we review these advances and discuss how they inform our understanding of lymphatic network formation, function and dysfunction.
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Affiliation(s)
- Mathias Francois
- The David Richmond Laboratory for Cardiovascular Development: Gene Regulation and Editing Program, The Centenary Institute, The University of Sydney, SOLES, 2006 Camperdown, Australia
| | - Anna Oszmiana
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide 5001, Australia
| | - Natasha L Harvey
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide 5001, Australia
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35
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Klaourakis K, Vieira JM, Riley PR. The evolving cardiac lymphatic vasculature in development, repair and regeneration. Nat Rev Cardiol 2021; 18:368-379. [PMID: 33462421 PMCID: PMC7812989 DOI: 10.1038/s41569-020-00489-x] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/23/2020] [Indexed: 02/08/2023]
Abstract
The lymphatic vasculature has an essential role in maintaining normal fluid balance in tissues and modulating the inflammatory response to injury or pathogens. Disruption of normal development or function of lymphatic vessels can have severe consequences. In the heart, reduced lymphatic function can lead to myocardial oedema and persistent inflammation. Macrophages, which are phagocytic cells of the innate immune system, contribute to cardiac development and to fibrotic repair and regeneration of cardiac tissue after myocardial infarction. In this Review, we discuss the cardiac lymphatic vasculature with a focus on developments over the past 5 years arising from the study of mammalian and zebrafish model organisms. In addition, we examine the interplay between the cardiac lymphatics and macrophages during fibrotic repair and regeneration after myocardial infarction. Finally, we discuss the therapeutic potential of targeting the cardiac lymphatic network to regulate immune cell content and alleviate inflammation in patients with ischaemic heart disease.
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Affiliation(s)
- Konstantinos Klaourakis
- Burdon Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK
- British Heart Foundation-Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford, UK
| | - Joaquim M Vieira
- Burdon Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK.
- British Heart Foundation-Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford, UK.
| | - Paul R Riley
- Burdon Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK.
- British Heart Foundation-Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford, UK.
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36
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Jafree DJ, Long DA, Scambler PJ, Ruhrberg C. Mechanisms and cell lineages in lymphatic vascular development. Angiogenesis 2021; 24:271-288. [PMID: 33825109 PMCID: PMC8205918 DOI: 10.1007/s10456-021-09784-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 03/10/2021] [Indexed: 12/20/2022]
Abstract
Lymphatic vessels have critical roles in both health and disease and their study is a rapidly evolving area of vascular biology. The consensus on how the first lymphatic vessels arise in the developing embryo has recently shifted. Originally, they were thought to solely derive by sprouting from veins. Since then, several studies have uncovered novel cellular mechanisms and a diversity of contributing cell lineages in the formation of organ lymphatic vasculature. Here, we review the key mechanisms and cell lineages contributing to lymphatic development, discuss the advantages and limitations of experimental techniques used for their study and highlight remaining knowledge gaps that require urgent attention. Emerging technologies should accelerate our understanding of how lymphatic vessels develop normally and how they contribute to disease.
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Affiliation(s)
- Daniyal J Jafree
- Developmental Biology and Cancer Programme, UCL Great Ormond Street Institute of Child Health, University College London, 30 Guilford Street, London, WC1N 1EH, UK
- Faculty of Medical Sciences, University College London, London, UK
| | - David A Long
- Developmental Biology and Cancer Programme, UCL Great Ormond Street Institute of Child Health, University College London, 30 Guilford Street, London, WC1N 1EH, UK
| | - Peter J Scambler
- Developmental Biology and Cancer Programme, UCL Great Ormond Street Institute of Child Health, University College London, 30 Guilford Street, London, WC1N 1EH, UK
| | - Christiana Ruhrberg
- UCL Institute of Ophthalmology, University College London, 11-43 Bath Street, London, EC1V 9EL, UK.
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37
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Greenspan LJ, Weinstein BM. To be or not to be: endothelial cell plasticity in development, repair, and disease. Angiogenesis 2021; 24:251-269. [PMID: 33449300 PMCID: PMC8205957 DOI: 10.1007/s10456-020-09761-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 12/14/2020] [Indexed: 02/08/2023]
Abstract
Endothelial cells display an extraordinary plasticity both during development and throughout adult life. During early development, endothelial cells assume arterial, venous, or lymphatic identity, while selected endothelial cells undergo additional fate changes to become hematopoietic progenitor, cardiac valve, and other cell types. Adult endothelial cells are some of the longest-lived cells in the body and their participation as stable components of the vascular wall is critical for the proper function of both the circulatory and lymphatic systems, yet these cells also display a remarkable capacity to undergo changes in their differentiated identity during injury, disease, and even normal physiological changes in the vasculature. Here, we discuss how endothelial cells become specified during development as arterial, venous, or lymphatic endothelial cells or convert into hematopoietic stem and progenitor cells or cardiac valve cells. We compare findings from in vitro and in vivo studies with a focus on the zebrafish as a valuable model for exploring the signaling pathways and environmental cues that drive these transitions. We also discuss how endothelial plasticity can aid in revascularization and repair of tissue after damage- but may have detrimental consequences under disease conditions. By better understanding endothelial plasticity and the mechanisms underlying endothelial fate transitions, we can begin to explore new therapeutic avenues.
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Affiliation(s)
- Leah J Greenspan
- Division of Developmental Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Brant M Weinstein
- Division of Developmental Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, 20892, USA.
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38
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Lowe V, Wisniewski L, Pellet-Many C. The Zebrafish Cardiac Endothelial Cell-Roles in Development and Regeneration. J Cardiovasc Dev Dis 2021; 8:jcdd8050049. [PMID: 34062899 PMCID: PMC8147271 DOI: 10.3390/jcdd8050049] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 04/07/2021] [Accepted: 04/13/2021] [Indexed: 01/22/2023] Open
Abstract
In zebrafish, the spatiotemporal development of the vascular system is well described due to its stereotypical nature. However, the cellular and molecular mechanisms orchestrating post-embryonic vascular development, the maintenance of vascular homeostasis, or how coronary vessels integrate into the growing heart are less well studied. In the context of cardiac regeneration, the central cellular mechanism by which the heart regenerates a fully functional myocardium relies on the proliferation of pre-existing cardiomyocytes; the epicardium and the endocardium are also known to play key roles in the regenerative process. Remarkably, revascularisation of the injured tissue occurs within a few hours after cardiac damage, thus generating a vascular network acting as a scaffold for the regenerating myocardium. The activation of the endocardium leads to the secretion of cytokines, further supporting the proliferation of the cardiomyocytes. Although epicardium, endocardium, and myocardium interact with each other to orchestrate heart development and regeneration, in this review, we focus on recent advances in the understanding of the development of the endocardium and the coronary vasculature in zebrafish as well as their pivotal roles in the heart regeneration process.
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Affiliation(s)
- Vanessa Lowe
- Heart Centre, Barts & The London School of Medicine, William Harvey Research Institute, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK;
| | - Laura Wisniewski
- Centre for Tumour Microenvironment, Barts Cancer Institute, Queen Mary University London, Charterhouse Square, London EC1M 6BQ, UK;
| | - Caroline Pellet-Many
- Department of Comparative Biomedical Sciences, Royal Veterinary College, 4 Royal College Street, London NW1 0TU, UK
- Correspondence:
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Zheng L, Du J, Wang Z, Zhou Q, Zhu X, Xiong JW. Molecular regulation of myocardial proliferation and regeneration. CELL REGENERATION (LONDON, ENGLAND) 2021; 10:13. [PMID: 33821373 PMCID: PMC8021683 DOI: 10.1186/s13619-021-00075-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 02/04/2021] [Indexed: 12/21/2022]
Abstract
Heart regeneration is a fascinating and complex biological process. Decades of intensive studies have revealed a sophisticated molecular network regulating cardiac regeneration in the zebrafish and neonatal mouse heart. Here, we review both the classical and recent literature on the molecular and cellular mechanisms underlying heart regeneration, with a particular focus on how injury triggers the cell-cycle re-entry of quiescent cardiomyocytes to replenish their massive loss after myocardial infarction or ventricular resection. We highlight several important signaling pathways for cardiomyocyte proliferation and propose a working model of how these injury-induced signals promote cardiomyocyte proliferation. Thus, this concise review provides up-to-date research progresses on heart regeneration for investigators in the field of regeneration biology.
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Affiliation(s)
- Lixia Zheng
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Jianyong Du
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Zihao Wang
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Qinchao Zhou
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Xiaojun Zhu
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China.
| | - Jing-Wei Xiong
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
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40
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Cells with Many Talents: Lymphatic Endothelial Cells in the Brain Meninges. Cells 2021; 10:cells10040799. [PMID: 33918497 PMCID: PMC8067019 DOI: 10.3390/cells10040799] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 03/23/2021] [Accepted: 03/26/2021] [Indexed: 12/12/2022] Open
Abstract
The lymphatic system serves key functions in maintaining fluid homeostasis, the uptake of dietary fats in the small intestine, and the trafficking of immune cells. Almost all vascularized peripheral tissues and organs contain lymphatic vessels. The brain parenchyma, however, is considered immune privileged and devoid of lymphatic structures. This contrasts with the notion that the brain is metabolically extremely active, produces large amounts of waste and metabolites that need to be cleared, and is especially sensitive to edema formation. Recently, meningeal lymphatic vessels in mammals and zebrafish have been (re-)discovered, but how they contribute to fluid drainage is still not fully understood. Here, we discuss these meningeal vessel systems as well as a newly described cell population in the zebrafish and mouse meninges. These cells, termed brain lymphatic endothelial cells/Fluorescent Granular Perithelial cells/meningeal mural lymphatic endothelial cells in fish, and Leptomeningeal Lymphatic Endothelial Cells in mice, exhibit remarkable features. They have a typical lymphatic endothelial gene expression signature but do not form vessels and rather constitute a meshwork of single cells, covering the brain surface.
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41
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Feng X, Travisano S, Pearson CA, Lien CL, Harrison MRM. The Lymphatic System in Zebrafish Heart Development, Regeneration and Disease Modeling. J Cardiovasc Dev Dis 2021; 8:21. [PMID: 33669620 PMCID: PMC7922492 DOI: 10.3390/jcdd8020021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/10/2021] [Accepted: 02/11/2021] [Indexed: 01/18/2023] Open
Abstract
Heart disease remains the single largest cause of death in developed countries, and novel therapeutic interventions are desperately needed to alleviate this growing burden. The cardiac lymphatic system is the long-overlooked counterpart of the coronary blood vasculature, but its important roles in homeostasis and disease are becoming increasingly apparent. Recently, the cardiac lymphatic vasculature in zebrafish has been described and its role in supporting the potent regenerative response of zebrafish heart tissue investigated. In this review, we discuss these findings in the wider context of lymphatic development, evolution and the promise of this system to open new therapeutic avenues to treat myocardial infarction and other cardiopathologies.
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Affiliation(s)
- Xidi Feng
- The Saban Research Institute of Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA; (X.F.); (S.T.)
| | - Stanislao Travisano
- The Saban Research Institute of Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA; (X.F.); (S.T.)
| | - Caroline A. Pearson
- Laboratory of Neurogenetics and Development, Brain and Mind Research Institute, Weill Cornell Medical College, New York, NY 10021, USA;
| | - Ching-Ling Lien
- The Saban Research Institute of Children’s Hospital Los Angeles, Los Angeles, CA 90027, USA; (X.F.); (S.T.)
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
- Department of Biochemistry & Molecular Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Michael R. M. Harrison
- Cardiovascular Research Institute, Weill Cornell Medical College, New York, NY 10021, USA
- Department of Cell and Developmental Biology, Weill Cornell Medical College, New York, NY 10021, USA
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42
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Cahill TJ, Sun X, Ravaud C, Villa Del Campo C, Klaourakis K, Lupu IE, Lord AM, Browne C, Jacobsen SEW, Greaves DR, Jackson DG, Cowley SA, James W, Choudhury RP, Vieira JM, Riley PR. Tissue-resident macrophages regulate lymphatic vessel growth and patterning in the developing heart. Development 2021; 148:dev.194563. [PMID: 33462113 PMCID: PMC7875498 DOI: 10.1242/dev.194563] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 12/26/2020] [Indexed: 12/31/2022]
Abstract
Macrophages are components of the innate immune system with key roles in tissue inflammation and repair. It is now evident that macrophages also support organogenesis, but few studies have characterized their identity, ontogeny and function during heart development. Here, we show that the distribution and prevalence of resident macrophages in the subepicardial compartment of the developing heart coincides with the emergence of new lymphatics, and that macrophages interact closely with the nascent lymphatic capillaries. Consequently, global macrophage deficiency led to extensive vessel disruption, with mutant hearts exhibiting shortened and mis-patterned lymphatics. The origin of cardiac macrophages was linked to the yolk sac and foetal liver. Moreover, the Cx3cr1+ myeloid lineage was found to play essential functions in the remodelling of the lymphatic endothelium. Mechanistically, macrophage hyaluronan was required for lymphatic sprouting by mediating direct macrophage-lymphatic endothelial cell interactions. Together, these findings reveal insight into the role of macrophages as indispensable mediators of lymphatic growth during the development of the mammalian cardiac vasculature. Highlighted Article: Tissue-resident macrophages are indispensable mediators of lymphatic vessel formation during heart development, and function to remodel the vascular plexus.
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Affiliation(s)
- Thomas J Cahill
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK.,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Xin Sun
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK.,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Christophe Ravaud
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK.,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Cristina Villa Del Campo
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK.,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Konstantinos Klaourakis
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK.,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Irina-Elena Lupu
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK.,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Allegra M Lord
- Department of Medicine Huddinge, Center for Hematology and Regenerative Medicine and Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm SE-14186, Sweden
| | - Cathy Browne
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Sten Eirik W Jacobsen
- Department of Medicine Huddinge, Center for Hematology and Regenerative Medicine and Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm SE-14186, Sweden
| | - David R Greaves
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - David G Jackson
- MRC Human Immunology Unit, Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, University of Oxford, Oxford OX3 9DS, UK
| | - Sally A Cowley
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - William James
- Sir William Dunn School of Pathology, University of Oxford, Oxford OX1 3RE, UK
| | - Robin P Choudhury
- Division of Cardiovascular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 9DU, UK
| | - Joaquim Miguel Vieira
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK .,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
| | - Paul R Riley
- Burdon-Sanderson Cardiac Science Centre, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, UK .,British Heart Foundation - Oxbridge Centre of Regenerative Medicine, CRM, University of Oxford, Oxford OX1 3PT, UK
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43
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Parab S, Quick RE, Matsuoka RL. Endothelial cell-type-specific molecular requirements for angiogenesis drive fenestrated vessel development in the brain. eLife 2021; 10:64295. [PMID: 33459592 PMCID: PMC7840183 DOI: 10.7554/elife.64295] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 01/17/2021] [Indexed: 02/06/2023] Open
Abstract
Vascular endothelial cells (vECs) in the brain exhibit structural and functional heterogeneity. Fenestrated, permeable brain vasculature mediates neuroendocrine function, body-fluid regulation, and neural immune responses; however, its vascular formation remains poorly understood. Here, we show that specific combinations of vascular endothelial growth factors (Vegfs) are required to selectively drive fenestrated vessel formation in the zebrafish myelencephalic choroid plexus (mCP). We found that the combined, but not individual, loss of Vegfab, Vegfc, and Vegfd causes severely impaired mCP vascularization with little effect on neighboring non-fenestrated brain vessel formation, demonstrating fenestrated-vEC-specific angiogenic requirements. This Vegfs-mediated vessel-selective patterning also involves Ccbe1. Expression analyses, cell-type-specific ablation, and paracrine activity-deficient vegfc mutant characterization suggest that vEC-autonomous Vegfc and meningeal fibroblast-derived Vegfab and Vegfd are critical for mCP vascularization. These results define molecular cues and cell types critical for directing fenestrated CP vascularization and indicate that vECs’ distinct molecular requirements for angiogenesis underlie brain vessel heterogeneity.
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Affiliation(s)
- Sweta Parab
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, United States.,Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, United States
| | - Rachael E Quick
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, United States.,Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, United States
| | - Ryota L Matsuoka
- Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, United States.,Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, United States
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44
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Unlocking the Secrets of the Regenerating Fish Heart: Comparing Regenerative Models to Shed Light on Successful Regeneration. J Cardiovasc Dev Dis 2021; 8:jcdd8010004. [PMID: 33467137 PMCID: PMC7830602 DOI: 10.3390/jcdd8010004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/11/2021] [Accepted: 01/12/2021] [Indexed: 01/01/2023] Open
Abstract
The adult human heart cannot repair itself after injury and, instead, forms a permanent fibrotic scar that impairs cardiac function and can lead to incurable heart failure. The zebrafish, amongst other organisms, has been extensively studied for its innate capacity to repair its heart after injury. Understanding the signals that govern successful regeneration in models such as the zebrafish will lead to the development of effective therapies that can stimulate endogenous repair in humans. To date, many studies have investigated cardiac regeneration using a reverse genetics candidate gene approach. However, this approach is limited in its ability to unbiasedly identify novel genes and signalling pathways that are essential to successful regeneration. In contrast, drawing comparisons between different models of regeneration enables unbiased screens to be performed, identifying signals that have not previously been linked to regeneration. Here, we will review in detail what has been learnt from the comparative approach, highlighting the techniques used and how these studies have influenced the field. We will also discuss what further comparisons would enhance our knowledge of successful regeneration and scarring. Finally, we focus on the Astyanax mexicanus, an intraspecies comparative fish model that holds great promise for revealing the secrets of the regenerating heart.
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45
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Castranova D, Samasa B, Venero Galanternik M, Jung HM, Pham VN, Weinstein BM. Live Imaging of Intracranial Lymphatics in the Zebrafish. Circ Res 2021; 128:42-58. [PMID: 33135960 PMCID: PMC7790877 DOI: 10.1161/circresaha.120.317372] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 10/30/2020] [Indexed: 11/16/2022]
Abstract
RATIONALE The recent discovery of meningeal lymphatics in mammals is reshaping our understanding of fluid homeostasis and cellular waste management in the brain, but visualization and experimental analysis of these vessels is challenging in mammals. Although the optical clarity and experimental advantages of zebrafish have made this an essential model organism for studying lymphatic development, the existence of meningeal lymphatics has not yet been reported in this species. OBJECTIVE Examine the intracranial space of larval, juvenile, and adult zebrafish to determine whether and where intracranial lymphatic vessels are present. METHODS AND RESULTS Using high-resolution optical imaging of the meninges in living animals, we show that zebrafish possess a meningeal lymphatic network comparable to that found in mammals. We confirm that this network is separate from the blood vascular network and that it drains interstitial fluid from the brain. We document the developmental origins and growth of these vessels into a distinct network separated from the external lymphatics. Finally, we show that these vessels contain immune cells and perform live imaging of immune cell trafficking and transmigration in meningeal lymphatics. CONCLUSIONS This discovery establishes the zebrafish as a important new model for experimental analysis of meningeal lymphatic development and opens up new avenues for probing meningeal lymphatic function in health and disease.
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Affiliation(s)
- Daniel Castranova
- Division of Developmental Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Bethesda, MD
| | - Bakary Samasa
- Division of Developmental Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Bethesda, MD
| | - Marina Venero Galanternik
- Division of Developmental Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Bethesda, MD
| | - Hyun Min Jung
- Division of Developmental Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Bethesda, MD
| | - Van N Pham
- Division of Developmental Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Bethesda, MD
| | - Brant M Weinstein
- Division of Developmental Biology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Bethesda, MD
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46
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Cha B, Ho YC, Geng X, Mahamud MR, Chen L, Kim Y, Choi D, Kim TH, Randolph GJ, Cao X, Chen H, Srinivasan RS. YAP and TAZ maintain PROX1 expression in the developing lymphatic and lymphovenous valves in response to VEGF-C signaling. Development 2020; 147:dev195453. [PMID: 33060128 PMCID: PMC7758626 DOI: 10.1242/dev.195453] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 09/22/2020] [Indexed: 01/07/2023]
Abstract
Lymphatic vasculature is an integral part of digestive, immune and circulatory systems. The homeobox transcription factor PROX1 is necessary for the development of lymphatic vessels, lymphatic valves (LVs) and lymphovenous valves (LVVs). We and others previously reported a feedback loop between PROX1 and vascular endothelial growth factor-C (VEGF-C) signaling. PROX1 promotes the expression of the VEGF-C receptor VEGFR3 in lymphatic endothelial cells (LECs). In turn, VEGF-C signaling maintains PROX1 expression in LECs. However, the mechanisms of PROX1/VEGF-C feedback loop remain poorly understood. Whether VEGF-C signaling is necessary for LV and LVV development is also unknown. Here, we report for the first time that VEGF-C signaling is necessary for valve morphogenesis. We have also discovered that the transcriptional co-activators YAP and TAZ are required to maintain PROX1 expression in LVs and LVVs in response to VEGF-C signaling. Deletion of Yap and Taz in the lymphatic vasculature of mouse embryos did not affect the formation of LVs or LVVs, but resulted in the degeneration of these structures. Our results have identified VEGF-C, YAP and TAZ as a crucial molecular pathway in valve development.
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Affiliation(s)
- Boksik Cha
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
- Daegu Gyeongbuk Medical Innovation Foundation, Daegu 41061, Republic of Korea
| | - Yen-Chun Ho
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Xin Geng
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Md Riaj Mahamud
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Lijuan Chen
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Yeunhee Kim
- Department of Biological Sciences and Center for Systems Biology, The University of Texas at Dallas, Richardson, TX 75080, USA
| | - Dongwon Choi
- Keck School of Medicine, University of Southern California, Los Angeles, CA 90033, USA
| | - Tae Hoon Kim
- Department of Biological Sciences and Center for Systems Biology, The University of Texas at Dallas, Richardson, TX 75080, USA
| | - Gwendalyn J Randolph
- Department of Pathology and Immunology, Washington University School of Medicine, St Louis, MO 63110, USA
| | - Xinwei Cao
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA
| | - Hong Chen
- Vascular Biology Program, Boston Children's Hospital, Boston, MA 02115, USA
| | - R Sathish Srinivasan
- Cardiovascular Biology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73117, USA
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47
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Ryan R, Moyse BR, Richardson RJ. Zebrafish cardiac regeneration-looking beyond cardiomyocytes to a complex microenvironment. Histochem Cell Biol 2020; 154:533-548. [PMID: 32926230 PMCID: PMC7609419 DOI: 10.1007/s00418-020-01913-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/30/2020] [Indexed: 02/07/2023]
Abstract
The study of heart repair post-myocardial infarction has historically focused on the importance of cardiomyocyte proliferation as the major factor limiting adult mammalian heart regeneration. However, there is mounting evidence that a narrow focus on this one cell type discounts the importance of a complex cascade of cell-cell communication involving a whole host of different cell types. A major difficulty in the study of heart regeneration is the rarity of this process in adult animals, meaning a mammalian template for how this can be achieved is lacking. Here, we review the adult zebrafish as an ideal and unique model in which to study the underlying mechanisms and cell types required to attain complete heart regeneration following cardiac injury. We provide an introduction to the role of the cardiac microenvironment in the complex regenerative process and discuss some of the key advances using this in vivo vertebrate model that have recently increased our understanding of the vital roles of multiple different cell types. Due to the sheer number of exciting studies describing new and unexpected roles for inflammatory cell populations in cardiac regeneration, this review will pay particular attention to these important microenvironment participants.
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Affiliation(s)
- Rebecca Ryan
- C21a, Biomedical Sciences Building, Faculty of Life Sciences, School of Physiology, Pharmacology and Neuroscience, University of Bristol, University Walk, Bristol, BS8 1TD, UK
| | - Bethany R Moyse
- C21a, Biomedical Sciences Building, Faculty of Life Sciences, School of Physiology, Pharmacology and Neuroscience, University of Bristol, University Walk, Bristol, BS8 1TD, UK
| | - Rebecca J Richardson
- C21a, Biomedical Sciences Building, Faculty of Life Sciences, School of Physiology, Pharmacology and Neuroscience, University of Bristol, University Walk, Bristol, BS8 1TD, UK.
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48
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Das RN, Yaniv K. Discovering New Progenitor Cell Populations through Lineage Tracing and In Vivo Imaging. Cold Spring Harb Perspect Biol 2020; 12:cshperspect.a035618. [PMID: 32041709 DOI: 10.1101/cshperspect.a035618] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Identification of progenitor cells that generate differentiated cell types during development, regeneration, and disease states is central to understanding the mechanisms governing such transitions. For more than a century, different lineage-tracing strategies have been developed, which helped disentangle the complex relationship between progenitor cells and their progenies. In this review, we discuss how lineage-tracing analyses have evolved alongside technological advances, and how this approach has contributed to the identification of progenitor cells in different contexts of cell differentiation. We also highlight a few examples in which lineage-tracing experiments have been instrumental for resolving long-standing debates and for identifying unexpected cellular origins. This discussion emphasizes how this century-old quest to delineate cellular lineage relationships is still active, and new discoveries are being made with the development of newer methodologies.
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Affiliation(s)
- Rudra Nayan Das
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Karina Yaniv
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 76100, Israel
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49
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Gutierrez-Miranda L, Yaniv K. Cellular Origins of the Lymphatic Endothelium: Implications for Cancer Lymphangiogenesis. Front Physiol 2020; 11:577584. [PMID: 33071831 PMCID: PMC7541848 DOI: 10.3389/fphys.2020.577584] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 08/25/2020] [Indexed: 12/18/2022] Open
Abstract
The lymphatic system plays important roles in physiological and pathological conditions. During cancer progression in particular, lymphangiogenesis can exert both positive and negative effects. While the formation of tumor associated lymphatic vessels correlates with metastatic dissemination, increased severity and poor patient prognosis, the presence of functional lymphatics is regarded as beneficial for anti-tumor immunity and cancer immunotherapy delivery. Therefore, a profound understanding of the cellular origins of tumor lymphatics and the molecular mechanisms controlling their formation is required in order to improve current strategies to control malignant spread. Data accumulated over the last decades have led to a controversy regarding the cellular sources of tumor-associated lymphatic vessels and the putative contribution of non-endothelial cells to this process. Although it is widely accepted that lymphatic endothelial cells (LECs) arise mainly from pre-existing lymphatic vessels, additional contribution from bone marrow-derived cells, myeloid precursors and terminally differentiated macrophages, has also been claimed. Here, we review recent findings describing new origins of LECs during embryonic development and discuss their relevance to cancer lymphangiogenesis.
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Affiliation(s)
| | - Karina Yaniv
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
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50
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Okuda KS, Hogan BM. Endothelial Cell Dynamics in Vascular Development: Insights From Live-Imaging in Zebrafish. Front Physiol 2020; 11:842. [PMID: 32792978 PMCID: PMC7387577 DOI: 10.3389/fphys.2020.00842] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 06/23/2020] [Indexed: 01/16/2023] Open
Abstract
The formation of the vertebrate vasculature involves the acquisition of endothelial cell identities, sprouting, migration, remodeling and maturation of functional vessel networks. To understand the cellular and molecular processes that drive vascular development, live-imaging of dynamic cellular events in the zebrafish embryo have proven highly informative. This review focusses on recent advances, new tools and new insights from imaging studies in vascular cell biology using zebrafish as a model system.
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Affiliation(s)
- Kazuhide S Okuda
- Organogenesis and Cancer Program, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia.,Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC, Australia
| | - Benjamin M Hogan
- Organogenesis and Cancer Program, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia.,Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC, Australia.,Department of Anatomy and Neuroscience, University of Melbourne, Melbourne, VIC, Australia
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