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Dong Y, Yang Y, Wang H, Feng D, Nist E, Yapundich N, Spurlock B, Craft M, Qian L, Liu J. Single-cell chromatin profiling reveals genetic programs activating proregenerative states in nonmyocyte cells. SCIENCE ADVANCES 2024; 10:eadk4694. [PMID: 38381829 PMCID: PMC10881044 DOI: 10.1126/sciadv.adk4694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 01/18/2024] [Indexed: 02/23/2024]
Abstract
Cardiac regeneration requires coordinated participation of multiple cell types whereby their communications result in transient activation of proregenerative cell states. Although the molecular characteristics and lineage origins of these activated cell states and their contribution to cardiac regeneration have been studied, the extracellular signaling and the intrinsic genetic program underlying the activation of the transient functional cell states remain largely unexplored. In this study, we delineated the chromatin landscapes of the noncardiomyocytes (nonCMs) of the regenerating heart at the single-cell level and inferred the cis-regulatory architectures and trans-acting factors that control cell type-specific gene expression programs. Moreover, further motif analysis and cell-specific genetic manipulations suggest that the macrophage-derived inflammatory signal tumor necrosis factor-α, acting via its downstream transcription factor complex activator protein-1, functions cooperatively with discrete transcription regulators to activate respective nonCM cell types critical for cardiac regeneration. Thus, our study defines the regulatory architectures and intercellular communication principles in zebrafish heart regeneration.
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Affiliation(s)
- Yanhan Dong
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Yuchen Yang
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Haofei Wang
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Dong Feng
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Elizabeth Nist
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Nicholas Yapundich
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Brian Spurlock
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Madison Craft
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Li Qian
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Jiandong Liu
- Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, NC 27599, USA
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC 27599, USA
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2
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Bakis I, Sun Y, Abd Elmagid L, Feng X, Garibyan M, Yip JK, Yu FZ, Chowdhary S, Fernandez GE, Cao J, McCain ML, Lien CL, Harrison MR. Methods for dynamic and whole volume imaging of the zebrafish heart. Dev Biol 2023; 504:75-85. [PMID: 37708968 PMCID: PMC10841891 DOI: 10.1016/j.ydbio.2023.09.002] [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: 04/27/2023] [Revised: 09/02/2023] [Accepted: 09/06/2023] [Indexed: 09/16/2023]
Abstract
Tissue development and regeneration are dynamic processes involving complex cell migration and cell-cell interactions. We have developed a protocol for complementary time-lapse and three-dimensional (3D) imaging of tissue for developmental and regeneration studies which we apply here to the zebrafish cardiac vasculature. 3D imaging of fixed specimens is used to first define the subject at high resolution then live imaging captures how it changes dynamically. Hearts from adult and juvenile zebrafish are extracted and cleaned in preparation for the different imaging modalities. For whole-mount 3D confocal imaging, single or multiple hearts with native fluorescence or immuno-labeling are prepared for stabilization or clearing, and then imaged. For live imaging, hearts are placed in a prefabricated fluidic device and set on a temperature-controlled microscope for culture and imaging over several days. This protocol allows complete visualization of morphogenic processes in a 3D context and provides the ability to follow cell behaviors to complement in vivo and fixed tissue studies. This culture and imaging protocol can be applied to different cell and tissue types. Here, we have used it to observe zebrafish coronary vasculature and the migration of coronary endothelial cells during heart regeneration.
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Affiliation(s)
- Isaac Bakis
- Cardiovascular Research Institute, Weill Cornell Medicine, New York, NY, 10021, USA; Department of Cell and Developmental Biology, Weill Cornell Medicine, 1300 York Avenue, New York, NY, 10021, USA
| | - Yuhan Sun
- Saban Research Institute and Heart Institute of Children's Hospital Los Angeles, Los Angeles, CA, 90027, USA
| | - Laila Abd Elmagid
- Cardiovascular Research Institute, Weill Cornell Medicine, New York, NY, 10021, USA; Department of Cell and Developmental Biology, Weill Cornell Medicine, 1300 York Avenue, New York, NY, 10021, USA
| | - Xidi Feng
- Saban Research Institute and Heart Institute of Children's Hospital Los Angeles, Los Angeles, CA, 90027, USA
| | - Mher Garibyan
- Laboratory for Living Systems Engineering, Alfred E. Mann Department of Biomedical Engineering, USC Viterbi School of Engineering, University of Southern California, Los Angeles, CA, 90089, USA
| | - Joycelyn K Yip
- Laboratory for Living Systems Engineering, Alfred E. Mann Department of Biomedical Engineering, USC Viterbi School of Engineering, University of Southern California, Los Angeles, CA, 90089, USA
| | - Fang Zhou Yu
- Cardiovascular Research Institute, Weill Cornell Medicine, New York, NY, 10021, USA; Department of Emergency Medicine, Nuvance Health, Poughkeepsie, NY, 12601, USA
| | - Sayali Chowdhary
- Cardiovascular Research Institute, Weill Cornell Medicine, New York, NY, 10021, USA; Department of Cell and Developmental Biology, Weill Cornell Medicine, 1300 York Avenue, New York, NY, 10021, USA
| | - Gerardo Esteban Fernandez
- Saban Research Institute and Heart Institute of Children's Hospital Los Angeles, Los Angeles, CA, 90027, USA
| | - Jingli Cao
- Cardiovascular Research Institute, Weill Cornell Medicine, New York, NY, 10021, USA; Department of Cell and Developmental Biology, Weill Cornell Medicine, 1300 York Avenue, New York, NY, 10021, USA
| | - Megan L McCain
- Laboratory for Living Systems Engineering, Alfred E. Mann Department of Biomedical Engineering, USC Viterbi School of Engineering, University of Southern California, Los Angeles, CA, 90089, USA; Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA
| | - Ching-Ling Lien
- Saban Research Institute and Heart Institute of Children's Hospital Los Angeles, Los Angeles, CA, 90027, USA; Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, CA, 90033, USA.
| | - Michael Rm Harrison
- Cardiovascular Research Institute, Weill Cornell Medicine, New York, NY, 10021, USA; Department of Cell and Developmental Biology, Weill Cornell Medicine, 1300 York Avenue, New York, NY, 10021, USA.
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3
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Botos MA, Arora P, Chouvardas P, Mercader N. Transcriptomic data meta-analysis reveals common and injury model specific gene expression changes in the regenerating zebrafish heart. Sci Rep 2023; 13:5418. [PMID: 37012284 PMCID: PMC10070245 DOI: 10.1038/s41598-023-32272-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 03/24/2023] [Indexed: 04/05/2023] Open
Abstract
Zebrafish have the capacity to fully regenerate the heart after an injury, which lies in sharp contrast to the irreversible loss of cardiomyocytes after a myocardial infarction in humans. Transcriptomics analysis has contributed to dissect underlying signaling pathways and gene regulatory networks in the zebrafish heart regeneration process. This process has been studied in response to different types of injuries namely: ventricular resection, ventricular cryoinjury, and genetic ablation of cardiomyocytes. However, there exists no database to compare injury specific and core cardiac regeneration responses. Here, we present a meta-analysis of transcriptomic data of regenerating zebrafish hearts in response to these three injury models at 7 days post injury (7dpi). We reanalyzed 36 samples and analyzed the differentially expressed genes (DEG) followed by downstream Gene Ontology Biological Processes (GO:BP) analysis. We found that the three injury models share a common core of DEG encompassing genes involved in cell proliferation, the Wnt signaling pathway and genes that are enriched in fibroblasts. We also found injury-specific gene signatures for resection and genetic ablation, and to a lower extent the cryoinjury model. Finally, we present our data in a user-friendly web interface that displays gene expression signatures across different injury types and highlights the importance to consider injury-specific gene regulatory networks when interpreting the results related to cardiac regeneration in the zebrafish. The analysis is freely available at: https://mybinder.org/v2/gh/MercaderLabAnatomy/PUB_Botos_et_al_2022_shinyapp_binder/HEAD?urlpath=shiny/bus-dashboard/ .
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Affiliation(s)
- Marius Alexandru Botos
- Institute of Anatomy, University of Bern, 3012, Bern, Switzerland
- Department for Biomedical Research, University of Bern, 3012, Bern, Switzerland
- Laboratory of Systems Biology and Genetics, Institute of Bioengineering, School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
- Swiss Institute of Bioinformatics (SIB), Lausanne, Switzerland
| | - Prateek Arora
- Institute of Anatomy, University of Bern, 3012, Bern, Switzerland
- Department for Biomedical Research, University of Bern, 3012, Bern, Switzerland
| | - Panagiotis Chouvardas
- Department for Biomedical Research, University of Bern, 3012, Bern, Switzerland
- Department of Urology, Inselspital, Bern University Hospital, 3010, Bern, Switzerland
| | - Nadia Mercader
- Institute of Anatomy, University of Bern, 3012, Bern, Switzerland.
- Department for Biomedical Research, University of Bern, 3012, Bern, Switzerland.
- Centro Nacional de Investigaciones Cardiovasculares CNIC, 28029, Madrid, Spain.
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4
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Lazcano I, Pech-Pool SM, Olvera A, García-Martínez I, Palacios-Pérez S, Orozco A. The importance of thyroid hormone signaling during early development: Lessons from the zebrafish model. Gen Comp Endocrinol 2023; 334:114225. [PMID: 36709002 DOI: 10.1016/j.ygcen.2023.114225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 11/16/2022] [Accepted: 01/23/2023] [Indexed: 01/26/2023]
Abstract
The zebrafish is an optimal experimental model to study thyroid hormone (TH) involvement in vertebrate development. The use of state-of-the-art zebrafish genetic tools available for the study of the effect of gene silencing, cell fate decisions and cell lineage differentiation have contributed to a more insightful comprehension of molecular, cellular, and tissue-specific TH actions. In contrast to intrauterine development, extrauterine embryogenesis observed in zebrafish has facilitated a more detailed study of the development of the hypothalamic-pituitary-thyroid axis. This model has also enabled a more insightful analysis of TH molecular actions upon the organization and function of the brain, the retina, the heart, and the immune system. Consequently, zebrafish has become a trendy model to address paradigms of TH-related functional and biomedical importance. We here compilate the available knowledge regarding zebrafish developmental events for which specific components of TH signaling are essential.
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Affiliation(s)
- I Lazcano
- Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Boulevard Juriquilla 3001, Campus Juriquilla, Querétaro 76230, Mexico
| | - S M Pech-Pool
- Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Boulevard Juriquilla 3001, Campus Juriquilla, Querétaro 76230, Mexico
| | - A Olvera
- Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Boulevard Juriquilla 3001, Campus Juriquilla, Querétaro 76230, Mexico
| | - I García-Martínez
- Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Boulevard Juriquilla 3001, Campus Juriquilla, Querétaro 76230, Mexico
| | - S Palacios-Pérez
- Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Boulevard Juriquilla 3001, Campus Juriquilla, Querétaro 76230, Mexico
| | - A Orozco
- Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Boulevard Juriquilla 3001, Campus Juriquilla, Querétaro 76230, Mexico; Escuela Nacional de Estudios Superiores, Unidad Juriquilla, Universidad Nacional Autónoma de México (UNAM), Campus Juriquilla, Querétaro 76230, Mexico.
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5
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Johnson J, Yang Y, Bian Z, Schena G, Li Y, Zhang X, Eaton DM, Gross P, Angheloiu A, Shaik A, Foster M, Berretta R, Kubo H, Mohsin S, Tian Y, Houser SR. Systemic Hypoxemia Induces Cardiomyocyte Hypertrophy and Right Ventricular Specific Induction of Proliferation. Circ Res 2023; 132:723-740. [PMID: 36799218 PMCID: PMC10023496 DOI: 10.1161/circresaha.122.321604] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 02/06/2023] [Indexed: 02/18/2023]
Abstract
BACKGROUND A recent study suggests that systemic hypoxemia in adult male mice can induce cardiac myocytes to proliferate. The goal of the present experiments was to confirm these results, provide new insights on the mechanisms that induce adult cardiomyocyte cell cycle reentry, and to determine if hypoxemia also induces cardiomyocyte proliferation in female mice. METHODS EdU-containing mini pumps were implanted in 3-month-old, male and female C57BL/6 mice. Mice were placed in a hypoxia chamber, and the oxygen was lowered by 1% every day for 14 days to reach 7% oxygen. The animals remained in 7% oxygen for 2 weeks before terminal studies. Myocyte proliferation was also studied with a mosaic analysis with double markers mouse model. RESULTS Hypoxia induced cardiac hypertrophy in both left ventricular (LV) and right ventricular (RV) myocytes, with LV myocytes lengthening and RV myocytes widening and lengthening. Hypoxia induced an increase (0.01±0.01% in normoxia to 0.11±0.09% in hypoxia) in the number of EdU+ RV cardiomyocytes, with no effect on LV myocytes in male C57BL/6 mice. Similar results were observed in female mice. Furthermore, in mosaic analysis with double markers mice, hypoxia induced a significant increase in RV myocyte proliferation (0.03±0.03% in normoxia to 0.32±0.15% in hypoxia of RFP+ myocytes), with no significant change in LV myocyte proliferation. RNA sequencing showed upregulation of mitotic cell cycle genes and a downregulation of Cullin genes, which promote the G1 to S phase transition in hypoxic mice. There was significant proliferation of nonmyocytes and mild cardiac fibrosis in hypoxic mice that did not disrupt cardiac function. Male and female mice exhibited similar gene expression following hypoxia. CONCLUSIONS Systemic hypoxia induces a global hypertrophic stress response that was associated with increased RV proliferation, and while LV myocytes did not show increased proliferation, our results minimally confirm previous reports that hypoxia can induce cardiomyocyte cell cycle activity in vivo.
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Affiliation(s)
- Jaslyn Johnson
- Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Yijun Yang
- Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Zilin Bian
- Tandon School of Engineering, New York University, Brooklyn, NY, USA
| | | | - Yijia Li
- Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Xiaoying Zhang
- Department of Cardiovascular Sciences, Center for Translational Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Deborah M. Eaton
- Penn Cardiovascular Institute, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA, USA
| | - Polina Gross
- Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | | | | | | | - Remus Berretta
- Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Hajime Kubo
- Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Sadia Mohsin
- Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Ying Tian
- Department of Cardiovascular Sciences, Center for Translational Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Steven R. Houser
- Independence Blue Cross Cardiovascular Research Center, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
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6
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Cardiac fibroblasts and mechanosensation in heart development, health and disease. Nat Rev Cardiol 2022; 20:309-324. [PMID: 36376437 DOI: 10.1038/s41569-022-00799-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/04/2022] [Indexed: 11/16/2022]
Abstract
The term 'mechanosensation' describes the capacity of cells to translate mechanical stimuli into the coordinated regulation of intracellular signals, cellular function, gene expression and epigenetic programming. This capacity is related not only to the sensitivity of the cells to tissue motion, but also to the decryption of tissue geometric arrangement and mechanical properties. The cardiac stroma, composed of fibroblasts, has been historically considered a mechanically passive component of the heart. However, the latest research suggests that the mechanical functions of these cells are an active and necessary component of the developmental biology programme of the heart that is involved in myocardial growth and homeostasis, and a crucial determinant of cardiac repair and disease. In this Review, we discuss the general concept of cell mechanosensation and force generation as potent regulators in heart development and pathology, and describe the integration of mechanical and biohumoral pathways predisposing the heart to fibrosis and failure. Next, we address the use of 3D culture systems to integrate tissue mechanics to mimic cardiac remodelling. Finally, we highlight the potential of mechanotherapeutic strategies, including pharmacological treatment and device-mediated left ventricular unloading, to reverse remodelling in the failing heart.
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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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8
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Hoareau M, El Kholti N, Debret R, Lambert E. Zebrafish as a Model to Study Vascular Elastic Fibers and Associated Pathologies. Int J Mol Sci 2022; 23:2102. [PMID: 35216218 PMCID: PMC8875079 DOI: 10.3390/ijms23042102] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/09/2022] [Accepted: 02/12/2022] [Indexed: 02/06/2023] Open
Abstract
Many extensible tissues such as skin, lungs, and blood vessels require elasticity to function properly. The recoil of elastic energy stored during a stretching phase is provided by elastic fibers, which are mostly composed of elastin and fibrillin-rich microfibrils. In arteries, the lack of elastic fibers leads to a weakening of the vessel wall with an increased risk to develop cardiovascular defects such as stenosis, aneurysms, and dissections. The development of new therapeutic molecules involves preliminary tests in animal models that recapitulate the disease and whose response to drugs should be as close as possible to that of humans. Due to its superior in vivo imaging possibilities and the broad tool kit for forward and reverse genetics, the zebrafish has become an important model organism to study human pathologies. Moreover, it is particularly adapted to large scale studies, making it an attractive model in particular for the first steps of investigations. In this review, we discuss the relevance of the zebrafish model for the study of elastic fiber-related vascular pathologies. We evidence zebrafish as a compelling alternative to conventional mouse models.
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Affiliation(s)
- Marie Hoareau
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique (LBTI), UMR CNRS 5305, Institut de Biologie et Chimie des Protéines, Université Lyon 1, 7, Passage du Vercors, CEDEX 07, F-69367 Lyon, France; (N.E.K.); (R.D.)
| | | | | | - Elise Lambert
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique (LBTI), UMR CNRS 5305, Institut de Biologie et Chimie des Protéines, Université Lyon 1, 7, Passage du Vercors, CEDEX 07, F-69367 Lyon, France; (N.E.K.); (R.D.)
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9
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Wasserman AH, Huang AR, Lewis-Israeli YR, Dooley MD, Mitchell AL, Venkatesan M, Aguirre A. Oxytocin promotes epicardial cell activation and heart regeneration after cardiac injury. Front Cell Dev Biol 2022; 10:985298. [PMID: 36247002 PMCID: PMC9561106 DOI: 10.3389/fcell.2022.985298] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Accepted: 08/31/2022] [Indexed: 11/13/2022] Open
Abstract
Cardiovascular disease (CVD) is one of the leading causes of mortality worldwide, and frequently leads to massive heart injury and the loss of billions of cardiac muscle cells and associated vasculature. Critical work in the last 2 decades demonstrated that these lost cells can be partially regenerated by the epicardium, the outermost mesothelial layer of the heart, in a process that highly recapitulates its role in heart development. Upon cardiac injury, mature epicardial cells activate and undergo an epithelial-mesenchymal transition (EMT) to form epicardium-derived progenitor cells (EpiPCs), multipotent progenitors that can differentiate into several important cardiac lineages, including cardiomyocytes and vascular cells. In mammals, this process alone is insufficient for significant regeneration, but it might be possible to prime it by administering specific reprogramming factors, leading to enhanced EpiPC function. Here, we show that oxytocin (OXT), a hypothalamic neuroendocrine peptide, induces epicardial cell proliferation, EMT, and transcriptional activity in a model of human induced pluripotent stem cell (hiPSC)-derived epicardial cells. In addition, we demonstrate that OXT is produced after cardiac cryoinjury in zebrafish, and that it elicits significant epicardial activation promoting heart regeneration. Oxytocin signaling is also critical for proper epicardium development in zebrafish embryos. The above processes are significantly impaired when OXT signaling is inhibited chemically or genetically through RNA interference. RNA sequencing data suggests that the transforming growth factor beta (TGF-β) pathway is the primary mediator of OXT-induced epicardial activation. Our research reveals for the first time an evolutionary conserved brain-controlled mechanism inducing cellular reprogramming and regeneration of the injured mammalian and zebrafish heart, a finding that could contribute to translational advances for the treatment of cardiac injuries.
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Affiliation(s)
- Aaron H Wasserman
- Division of Developmental and Stem Cell Biology, Institute for Quantitative Health Science and Engineering (IQ), Michigan State University, East Lansing, MI, United States.,Department of Biomedical Engineering, College of Engineering, Michigan State University, East Lansing, MI, United States
| | - Amanda R Huang
- Division of Developmental and Stem Cell Biology, Institute for Quantitative Health Science and Engineering (IQ), Michigan State University, East Lansing, MI, United States.,Department of Biomedical Engineering, College of Engineering, Michigan State University, East Lansing, MI, United States
| | - Yonatan R Lewis-Israeli
- Division of Developmental and Stem Cell Biology, Institute for Quantitative Health Science and Engineering (IQ), Michigan State University, East Lansing, MI, United States.,Department of Biomedical Engineering, College of Engineering, Michigan State University, East Lansing, MI, United States
| | - McKenna D Dooley
- Division of Developmental and Stem Cell Biology, Institute for Quantitative Health Science and Engineering (IQ), Michigan State University, East Lansing, MI, United States.,Department of Biomedical Engineering, College of Engineering, Michigan State University, East Lansing, MI, United States
| | - Allison L Mitchell
- Division of Developmental and Stem Cell Biology, Institute for Quantitative Health Science and Engineering (IQ), Michigan State University, East Lansing, MI, United States.,Department of Biomedical Engineering, College of Engineering, Michigan State University, East Lansing, MI, United States
| | - Manigandan Venkatesan
- Division of Developmental and Stem Cell Biology, Institute for Quantitative Health Science and Engineering (IQ), Michigan State University, East Lansing, MI, United States.,Department of Biomedical Engineering, College of Engineering, Michigan State University, East Lansing, MI, United States
| | - Aitor Aguirre
- Division of Developmental and Stem Cell Biology, Institute for Quantitative Health Science and Engineering (IQ), Michigan State University, East Lansing, MI, United States.,Department of Biomedical Engineering, College of Engineering, Michigan State University, East Lansing, MI, United States
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10
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Adams E, McCloy R, Jordan A, Falconer K, Dykes IM. Direct Reprogramming of Cardiac Fibroblasts to Repair the Injured Heart. J Cardiovasc Dev Dis 2021; 8:72. [PMID: 34206355 PMCID: PMC8306371 DOI: 10.3390/jcdd8070072] [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: 05/14/2021] [Revised: 06/14/2021] [Accepted: 06/18/2021] [Indexed: 02/06/2023] Open
Abstract
Coronary heart disease is a leading cause of mortality and morbidity. Those that survive acute myocardial infarction are at significant risk of subsequent heart failure due to fibrotic remodelling of the infarcted myocardium. By applying knowledge from the study of embryonic cardiovascular development, modern medicine offers hope for treatment of this condition through regeneration of the myocardium by direct reprogramming of fibrotic scar tissue. Here, we will review mechanisms of cell fate specification leading to the generation of cardiovascular cell types in the embryo and use this as a framework in which to understand direct reprogramming. Driving expression of a network of transcription factors, micro RNA or small molecule epigenetic modifiers can reverse epigenetic silencing, reverting differentiated cells to a state of induced pluripotency. The pluripotent state can be bypassed by direct reprogramming in which one differentiated cell type can be transdifferentiated into another. Transdifferentiating cardiac fibroblasts to cardiomyocytes requires a network of transcription factors similar to that observed in embryonic multipotent cardiac progenitors. There is some flexibility in the composition of this network. These studies raise the possibility that the failing heart could one day be regenerated by directly reprogramming cardiac fibroblasts within post-infarct scar tissue.
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Affiliation(s)
- Emma Adams
- Pharmacy and Biomolecular Science, Liverpool John Moores University, Liverpool L3 3AF, UK; (E.A.); (R.M.); (A.J.); (K.F.)
| | - Rachel McCloy
- Pharmacy and Biomolecular Science, Liverpool John Moores University, Liverpool L3 3AF, UK; (E.A.); (R.M.); (A.J.); (K.F.)
| | - Ashley Jordan
- Pharmacy and Biomolecular Science, Liverpool John Moores University, Liverpool L3 3AF, UK; (E.A.); (R.M.); (A.J.); (K.F.)
| | - Kaitlin Falconer
- Pharmacy and Biomolecular Science, Liverpool John Moores University, Liverpool L3 3AF, UK; (E.A.); (R.M.); (A.J.); (K.F.)
| | - Iain M. Dykes
- Pharmacy and Biomolecular Science, Liverpool John Moores University, Liverpool L3 3AF, UK; (E.A.); (R.M.); (A.J.); (K.F.)
- Liverpool Centre for Cardiovascular Science, Liverpool John Moores University, Liverpool L3 3AF, UK
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11
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Narumanchi S, Wang H, Perttunen S, Tikkanen I, Lakkisto P, Paavola J. Zebrafish Heart Failure Models. Front Cell Dev Biol 2021; 9:662583. [PMID: 34095129 PMCID: PMC8173159 DOI: 10.3389/fcell.2021.662583] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 04/06/2021] [Indexed: 01/02/2023] Open
Abstract
Heart failure causes significant morbidity and mortality worldwide. The understanding of heart failure pathomechanisms and options for treatment remain incomplete. Zebrafish has proven useful for modeling human heart diseases due to similarity of zebrafish and mammalian hearts, fast easily tractable development, and readily available genetic methods. Embryonic cardiac development is rapid and cardiac function is easy to observe and quantify. Reverse genetics, by using morpholinos and CRISPR-Cas9 to modulate gene function, make zebrafish a primary animal model for in vivo studies of candidate genes. Zebrafish are able to effectively regenerate their hearts following injury. However, less attention has been given to using zebrafish models to increase understanding of heart failure and cardiac remodeling, including cardiac hypertrophy and hyperplasia. Here we discuss using zebrafish to study heart failure and cardiac remodeling, and review zebrafish genetic, drug-induced and other heart failure models, discussing the advantages and weaknesses of using zebrafish to model human heart disease. Using zebrafish models will lead to insights on the pathomechanisms of heart failure, with the aim to ultimately provide novel therapies for the prevention and treatment of heart failure.
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Affiliation(s)
- Suneeta Narumanchi
- Unit of Cardiovascular Research, Minerva Foundation Institute for Medical Research, Biomedicum Helsinki, Helsinki, Finland
| | - Hong Wang
- Unit of Cardiovascular Research, Minerva Foundation Institute for Medical Research, Biomedicum Helsinki, Helsinki, Finland
| | - Sanni Perttunen
- Unit of Cardiovascular Research, Minerva Foundation Institute for Medical Research, Biomedicum Helsinki, Helsinki, Finland
| | - Ilkka Tikkanen
- Unit of Cardiovascular Research, Minerva Foundation Institute for Medical Research, Biomedicum Helsinki, Helsinki, Finland.,Abdominal Center Nephrology, University of Helsinki, Helsinki University Hospital, Helsinki, Finland
| | - Päivi Lakkisto
- Unit of Cardiovascular Research, Minerva Foundation Institute for Medical Research, Biomedicum Helsinki, Helsinki, Finland.,Department of Clinical Chemistry and Hematology, University of Helsinki, Helsinki University Hospital, Helsinki, Finland
| | - Jere Paavola
- Unit of Cardiovascular Research, Minerva Foundation Institute for Medical Research, Biomedicum Helsinki, Helsinki, Finland
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Baxendale S, Asad A, Shahidan NO, Wiggin GR, Whitfield TT. The adhesion GPCR Adgrg6 (Gpr126): Insights from the zebrafish model. Genesis 2021; 59:e23417. [PMID: 33735533 DOI: 10.1002/dvg.23417] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 02/16/2021] [Indexed: 12/13/2022]
Abstract
Adhesion GPCRs are important regulators of conserved developmental processes and represent an untapped pool of potential targets for drug discovery. The adhesion GPCR Adgrg6 (Gpr126) has critical developmental roles in Schwann cell maturation and inner ear morphogenesis in the zebrafish embryo. Mutations in the human ADGRG6 gene can result in severe deficits in peripheral myelination, and variants have been associated with many other disease conditions. Here, we review work on the zebrafish Adgrg6 signaling pathway and its potential as a disease model. Recent advances have been made in the analysis of the structure of the Adgrg6 receptor, demonstrating alternative structural conformations and the presence of a conserved calcium-binding site within the CUB domain of the extracellular region that is critical for receptor function. Homozygous zebrafish adgrg6 hypomorphic mutants have been used successfully as a whole-animal screening platform, identifying candidate molecules that can influence signaling activity and rescue mutant phenotypes. These compounds offer promise for further development as small molecule modulators of Adgrg6 pathway activity.
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Affiliation(s)
- Sarah Baxendale
- Department of Biomedical Science, Bateson Centre and Neuroscience Institute, University of Sheffield, Sheffield, UK
| | - Anzar Asad
- Department of Biomedical Science, Bateson Centre and Neuroscience Institute, University of Sheffield, Sheffield, UK
| | - Nahal O Shahidan
- Department of Biomedical Science, Bateson Centre and Neuroscience Institute, University of Sheffield, Sheffield, UK
| | | | - Tanya T Whitfield
- Department of Biomedical Science, Bateson Centre and Neuroscience Institute, University of Sheffield, Sheffield, UK
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13
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Povsic TJ, Gersh BJ. Stem Cells in Cardiovascular Diseases: 30,000-Foot View. Cells 2021; 10:cells10030600. [PMID: 33803227 PMCID: PMC8001267 DOI: 10.3390/cells10030600] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 03/01/2021] [Accepted: 03/03/2021] [Indexed: 12/15/2022] Open
Abstract
Stem cell and regenerative approaches that might rejuvenate the heart have immense intuitive appeal for the public and scientific communities. Hopes were fueled by initial findings from preclinical models that suggested that easily obtained bone marrow cells might have significant reparative capabilities; however, after initial encouraging pre-clinical and early clinical findings, the realities of clinical development have placed a damper on the field. Clinical trials were often designed to detect exceptionally large treatment effects with modest patient numbers with subsequent disappointing results. First generation approaches were likely overly simplistic and relied on a relatively primitive understanding of regenerative mechanisms and capabilities. Nonetheless, the field continues to move forward and novel cell derivatives, platforms, and cell/device combinations, coupled with a better understanding of the mechanisms that lead to regenerative capabilities in more primitive models and modifications in clinical trial design suggest a brighter future.
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Affiliation(s)
- Thomas J. Povsic
- Department of Medicine, and Duke Clinical Research Institute, Duke University, Durham, NC 27705, USA
- Correspondence:
| | - Bernard J. Gersh
- Department of Cardiovascular Medicine, Mayo Clinic College of Medicine, Rochester, MN 55905, USA;
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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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