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Wolton M, Davey MG, Dietrich S. At early stages of heart development, the first and second heart fields are a continuum of lateral head mesoderm-derived, cardiogenic cells. Dev Biol 2025; 520:200-223. [PMID: 39848483 DOI: 10.1016/j.ydbio.2025.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2024] [Revised: 01/12/2025] [Accepted: 01/14/2025] [Indexed: 01/25/2025]
Abstract
Pioneering work in the chicken established that the initial development of the heart consists of two stages: the quick assembly of a beating heart, followed by the recruitment of cells from adjacent tissues to deliver the mature in-and outflow tract. Cells to build the primitive heart were dubbed the first heart field (FHF) cells, cells to be recruited later the second heart field (SHF) cells. The current view is that these cells represent distinct, maybe even pre-determined lineages. However, it is still unclear where exactly FHF and SHF are located at different stages of development, and whether there is a sharp boundary or rather an overlap between the two. It is also unclear whether both FHF cells and SHF cells originate from the lateral head mesoderm (LHM), whether the paraxial head mesoderm (PHM) contributes to the SHF, and where the LHM-PHM boundary might be. To investigate this problem, we exploited the size, ease of access and exquisite anatomy of the chicken embryo and used traditional strategies as well as newly developed transgenic lines to trace the location of cardiogenic fields and boundaries from the time the first heart-markers are expressed to the time SHF cell recruitment ceases. Our work shows that both FHF and SHF stem from the LHM. We also found that FHF and SHF lack a distinct anatomical boundary. Rather, FHF and SHF are a continuum, and the recruitment of cells into the heart is a chance event depending on morphogenetic movements, the position of cells within the moving tissues, the separation of the somatic and splanchnic LHM, and the separation of the heart from the splanchnic subpharyngeal mesoderm during heart-looping. Reconciling our and previous studies we propose that first and second heart field precursors are specified but not determined, thus relying on morphogenetic processes and local environments to realise their cardiogenic potential.
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Affiliation(s)
- Matthew Wolton
- Institute of Life Sciences and Health (ILSH), School of Medicine, Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, PO1 2DT, UK
| | - Megan G Davey
- Functional Genetics, The Roslin Institute, The Royal (Dick) School of Veterinary Studies, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh, EH25 9RG, UK
| | - Susanne Dietrich
- Institute of Life Sciences and Health (ILSH), School of Medicine, Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, PO1 2DT, UK.
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2
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Patel RK, Simmons CL, Ozen M. Embryology of the Vascular System: Implications for Variants. Semin Intervent Radiol 2025; 42:219-228. [PMID: 40376214 PMCID: PMC12077953 DOI: 10.1055/s-0045-1802308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2025]
Abstract
The vascular system is an intricate system that develops during early periods of embryogenesis. Through a complex signaling pathway of vasculogenesis and angiogenesis, embryonic vessels grow and coalesce, which allows nutrient and waste management. Dysfunction in these endothelial cells gives rise to vascular variants. Throughout gestational development, vascular variants can form in different organ systems such as the thoracic cavity, hepatic, renal, and lower pelvis. It is clinically very important for physicians to recognize these variants, as these variants can predispose to certain illnesses and treatment of patients surgically. This article discusses the embryology and vascular variants of the arterial system with a focus on the thoracic cavity, hepatic, renal, and pelvic variations to help aid in minimizing technical complications during procedures.
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Affiliation(s)
- Ronak K. Patel
- University of Kentucky College of Medicine, William R. Willard Medical Education Building, Lexington, Kentucky
| | - Curtis L. Simmons
- Department of Radiology, Phoenix Children's Hospital, Phoenix, Arizona
| | - Merve Ozen
- Department of Radiology, Mayo Clinic, Phoenix, Arizona
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3
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Heude E, Dutel H, Sanchez-Garrido F, Prummel KD, Lalonde R, Lam F, Mosimann C, Herrel A, Tajbakhsh S. Co-option of neck muscles supported the vertebrate water-to-land transition. Nat Commun 2024; 15:10564. [PMID: 39632846 PMCID: PMC11618326 DOI: 10.1038/s41467-024-54724-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 11/19/2024] [Indexed: 12/07/2024] Open
Abstract
A major event in vertebrate evolution was the separation of the skull from the pectoral girdle and the acquisition of a functional neck, transitions that required profound developmental rearrangements of the musculoskeletal system. The neck is a hallmark of the tetrapod body plan and allows for complex head movements on land. While head and trunk muscles arise from distinct embryonic mesoderm populations, the origins of neck muscles remain elusive. Here, we combine comparative embryology and anatomy to reconstruct the mesodermal contribution to neck evolution. We demonstrate that head/trunk-connecting muscle groups have conserved mesodermal origins in fishes and tetrapods and that the neck evolved from muscle groups present in fishes. We propose that expansions of mesodermal populations into head and trunk domains during embryonic development underpinned the emergence and adaptation of the tetrapod neck. Our results provide evidence for the exaptation of archetypal muscle groups in ancestral fishes, which were co-opted to acquire novel functions adapted to a terrestrial lifestyle.
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Affiliation(s)
- Eglantine Heude
- Institut de Génomique Fonctionnelle de Lyon, École Normale Supérieure de Lyon, CNRS UMR5242 Université Claude Bernard Lyon-1, Lyon, France.
- PHYMA, Département Adaptations du Vivant, Muséum national d'Histoire naturelle, CNRS UMR 7221, Paris, France.
| | - Hugo Dutel
- Bristol Palaeobiology Research Group, School of Earth Sciences, University of Bristol, Bristol, UK
- Université de Bordeaux, CNRS, MCC, PACEA, UMR 5199, Pessac, France
- Craniofacial Growth and Form, Hôpital Necker - Enfants Malades, Paris, France
| | - Frida Sanchez-Garrido
- PHYMA, Département Adaptations du Vivant, Muséum national d'Histoire naturelle, CNRS UMR 7221, Paris, France
| | - Karin D Prummel
- Department of Molecular Life Sciences, University of Zurich, Zurich, Switzerland
- Department of Pediatrics, Section of Developmental Biology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA
- Molecular Systems Biology Unit, European Molecular Biology Laboratory (EMBL), Heidelberg, Germany
| | - Robert Lalonde
- Department of Pediatrics, Section of Developmental Biology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA
- Yale University, New Haven, USA
| | - France Lam
- Core Facilities - Institut de Biologie Paris Seine (IBPS), Sorbonne Universités, Paris, France
| | - Christian Mosimann
- Department of Molecular Life Sciences, University of Zurich, Zurich, Switzerland
- Department of Pediatrics, Section of Developmental Biology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA
| | - Anthony Herrel
- MECADEV, Département Adaptations du Vivant, Muséum national d'Histoire naturelle, CNRS UMR 7179, Paris, France
- Department of Biology, Evolutionary Morphology of Vertebrates, Ghent University, Ghent, Belgium
- Department of Biology, University of Antwerp, Wilrijk, Belgium
- Naturhistorisches Museum Bern, Bern, Switzerland
| | - Shahragim Tajbakhsh
- Department of Developmental & Stem Cell Biology, Stem Cells & Development Unit, Institut Pasteur, Université Paris Cité, Paris, France
- CNRS UMR3738, Institut Pasteur, Paris, France
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4
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Argiro L, Chevalier C, Choquet C, Nandkishore N, Ghata A, Baudot A, Zaffran S, Lescroart F. Gastruloids are competent to specify both cardiac and skeletal muscle lineages. Nat Commun 2024; 15:10172. [PMID: 39580459 PMCID: PMC11585638 DOI: 10.1038/s41467-024-54466-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 11/12/2024] [Indexed: 11/25/2024] Open
Abstract
Cardiopharyngeal mesoderm contributes to the formation of the heart and head muscles. However, the mechanisms governing cardiopharyngeal mesoderm specification remain unclear. Here, we reproduce cardiopharyngeal mesoderm specification towards cardiac and skeletal muscle lineages with gastruloids from mouse embryonic stem cells. By conducting a comprehensive temporal analysis of cardiopharyngeal mesoderm development and differentiation in gastruloids compared to mouse embryos, we present the evidence for skeletal myogenesis in gastruloids. We identify different subpopulations of cardiomyocytes and skeletal muscles, the latter of which most likely correspond to different states of myogenesis with "head-like" and "trunk-like" skeletal myoblasts. In this work, we unveil the potential of gastruloids to undergo specification into both cardiac and skeletal muscle lineages, allowing the investigation of the mechanisms of cardiopharyngeal mesoderm differentiation in development and how this could be affected in congenital diseases.
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Affiliation(s)
- Laurent Argiro
- Aix-Marseille Univ, INSERM, Marseille Medical Genetics (MMG), Marseille, France
| | - Céline Chevalier
- Aix-Marseille Univ, INSERM, Marseille Medical Genetics (MMG), Marseille, France
| | - Caroline Choquet
- Aix-Marseille Univ, INSERM, Marseille Medical Genetics (MMG), Marseille, France
| | - Nitya Nandkishore
- Aix-Marseille Univ, INSERM, Marseille Medical Genetics (MMG), Marseille, France
- Department of Biotechnology, SRM Institute of Science and Technology (SRMIST), Kattankulathur, Tamil Nadu, India
| | - Adeline Ghata
- Aix-Marseille Univ, INSERM, Marseille Medical Genetics (MMG), Marseille, France
| | - Anaïs Baudot
- Aix-Marseille Univ, INSERM, Marseille Medical Genetics (MMG), Marseille, France
| | - Stéphane Zaffran
- Aix-Marseille Univ, INSERM, Marseille Medical Genetics (MMG), Marseille, France.
| | - Fabienne Lescroart
- Aix-Marseille Univ, INSERM, Marseille Medical Genetics (MMG), Marseille, France.
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5
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Moran HR, Nyarko OO, O’Rourke R, Ching RCK, Riemslagh FW, Peña B, Burger A, Sucharov CC, Mosimann C. The pericardium forms as a distinct structure during heart formation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.09.18.613484. [PMID: 39345600 PMCID: PMC11429720 DOI: 10.1101/2024.09.18.613484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 10/01/2024]
Abstract
The heart integrates diverse cell lineages into a functional unit, including the pericardium, a mesothelial sac that supports heart movement, homeostasis, and immune responses. However, despite its critical roles, the developmental origins of the pericardium remain uncertain due to disparate models. Here, using live imaging, lineage tracking, and single-cell transcriptomics in zebrafish, we find the pericardium forms within the lateral plate mesoderm from dedicated anterior mesothelial progenitors and distinct from the classic heart field. Imaging of transgenic reporters in zebrafish documents lateral plate mesoderm cells that emerge lateral of the classic heart field and among a continuous mesothelial progenitor field. Single-cell transcriptomics and trajectories of hand2-expressing lateral plate mesoderm reveal distinct populations of mesothelial and cardiac precursors, including pericardial precursors that are distinct from the cardiomyocyte lineage. The mesothelial gene expression signature is conserved in mammals and carries over to post-natal development. Light sheet-based live-imaging and machine learning-supported cell tracking documents that during heart tube formation, pericardial precursors that reside at the anterior edge of the heart field migrate anteriorly and medially before fusing, enclosing the embryonic heart to form a single pericardial cavity. Pericardium formation proceeds even upon genetic disruption of heart tube formation, uncoupling the two structures. Canonical Wnt/β-catenin signaling modulates pericardial cell number, resulting in a stretched pericardial epithelium with reduced cell number upon canonical Wnt inhibition. We connect the pathological expression of secreted Wnt antagonists of the SFRP family found in pediatric dilated cardiomyopathy to increased pericardial stiffness: sFRP1 in the presence of increased catecholamines causes cardiomyocyte stiffness in neonatal rats as measured by atomic force microscopy. Altogether, our data integrate pericardium formation as an independent process into heart morphogenesis and connect disrupted pericardial tissue properties such as pericardial stiffness to pediatric cardiomyopathies.
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Affiliation(s)
- Hannah R. Moran
- Department of Pediatrics, Section of Developmental Biology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA
| | - Obed O. Nyarko
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Rebecca O’Rourke
- Department of Pediatrics, Section of Developmental Biology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA
| | - Ryenne-Christine K. Ching
- Department of Pediatrics, Section of Developmental Biology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA
| | - Frederike W. Riemslagh
- Department of Pediatrics, Section of Developmental Biology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA
| | - Brisa Peña
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
- Cardiovascular Institute, Division of Cardiology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA
- Bioengineering Department, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA
| | - Alexa Burger
- Department of Pediatrics, Section of Developmental Biology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA
| | - Carmen C. Sucharov
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Christian Mosimann
- Department of Pediatrics, Section of Developmental Biology, University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO, USA
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6
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Bolesani E, Bornhorst D, Iyer LM, Zawada D, Friese N, Morgan M, Lange L, Gonzalez DM, Schrode N, Leffler A, Wunder J, Franke A, Drakhlis L, Sebra R, Schambach A, Goedel A, Dubois NC, Dobreva G, Moretti A, Zelaráyan LC, Abdelilah-Seyfried S, Zweigerdt R. Transient stabilization of human cardiovascular progenitor cells from human pluripotent stem cells in vitro reflects stage-specific heart development in vivo. Cardiovasc Res 2024; 120:1295-1311. [PMID: 38836637 DOI: 10.1093/cvr/cvae118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 01/11/2024] [Accepted: 04/06/2024] [Indexed: 06/06/2024] Open
Abstract
AIMS Understanding the molecular identity of human pluripotent stem cell (hPSC)-derived cardiac progenitors and mechanisms controlling their proliferation and differentiation is valuable for developmental biology and regenerative medicine. METHODS AND RESULTS Here, we show that chemical modulation of histone acetyl transferases (by IQ-1) and WNT (by CHIR99021) synergistically enables the transient and reversible block of directed cardiac differentiation progression on hPSCs. The resulting stabilized cardiovascular progenitors (SCPs) are characterized by ISL1pos/KI-67pos/NKX2-5neg expression. In the presence of the chemical inhibitors, SCPs maintain a proliferation quiescent state. Upon small molecules, removal SCPs resume proliferation and concomitant NKX2-5 up-regulation triggers cell-autonomous differentiation into cardiomyocytes. Directed differentiation of SCPs into the endothelial and smooth muscle lineages confirms their full developmental potential typical of bona fide cardiovascular progenitors. Single-cell RNA-sequencing-based transcriptional profiling of our in vitro generated human SCPs notably reflects the dynamic cellular composition of E8.25-E9.25 posterior second heart field of mouse hearts, hallmarked by nuclear receptor sub-family 2 group F member 2 expression. Investigating molecular mechanisms of SCP stabilization, we found that the cell-autonomously regulated retinoic acid and BMP signalling is governing SCP transition from quiescence towards proliferation and cell-autonomous differentiation, reminiscent of a niche-like behaviour. CONCLUSION The chemically defined and reversible nature of our stabilization approach provides an unprecedented opportunity to dissect mechanisms of cardiovascular progenitors' specification and reveal their cellular and molecular properties.
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Affiliation(s)
- Emiliano Bolesani
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery (HTTG), Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
| | - Dorothee Bornhorst
- Institute of Molecular Biology, Hannover Medical School, Hannover, Germany
- Institute of Biochemistry and Biology, Potsdam University, Potsdam, Germany
| | - Lavanya M Iyer
- Institute of Pharmacology and Toxicology, University Medical Center Göttingen, Göttingen, Germany
- Epigenetic Regulation and Chromatin Architecture Group, Berlin Institute for Medical Systems Biology, Max-Delbrück Centre for Molecular Medicine, Berlin, Germany
| | - Dorota Zawada
- First Department of Medicine, Cardiology, Klinikum rechts der Isar, Technical University of Munich, School of Medicine and Health, Munich, Germany
| | - Nina Friese
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery (HTTG), Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
| | - Michael Morgan
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
| | - Lucas Lange
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
| | - David M Gonzalez
- Department of Cell, Developmental, and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Nadine Schrode
- Department of Cell, Developmental, and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Andreas Leffler
- Department of Anesthesiology and Intensive Care Medicine, Hannover Medical School, Hannover, Germany
| | - Julian Wunder
- Department of Anesthesiology and Intensive Care Medicine, Hannover Medical School, Hannover, Germany
| | - Annika Franke
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery (HTTG), Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
| | - Lika Drakhlis
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery (HTTG), Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
| | - Robert Sebra
- Department of Cell, Developmental, and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Axel Schambach
- Institute of Experimental Hematology, Hannover Medical School, Hannover, Germany
| | - Alexander Goedel
- First Department of Medicine, Cardiology, Klinikum rechts der Isar, Technical University of Munich, School of Medicine and Health, Munich, Germany
| | - Nicole C Dubois
- Department of Cell, Developmental, and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Gergana Dobreva
- Department of Anatomy and Developmental Biology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Alessandra Moretti
- First Department of Medicine, Cardiology, Klinikum rechts der Isar, Technical University of Munich, School of Medicine and Health, Munich, Germany
- German Center for Cardiovascular Research (DZHK), Munich Heart Alliance, Munich, Germany
| | - Laura C Zelaráyan
- Institute of Pharmacology and Toxicology, University Medical Center Göttingen, Göttingen, Germany
| | - Salim Abdelilah-Seyfried
- Institute of Molecular Biology, Hannover Medical School, Hannover, Germany
- Institute of Biochemistry and Biology, Potsdam University, Potsdam, Germany
| | - Robert Zweigerdt
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiac, Thoracic, Transplantation and Vascular Surgery (HTTG), Hannover Medical School, Carl-Neuberg-Strasse 1, 30625 Hannover, Germany
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7
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Dumas CE, Rousset C, De Bono C, Cortés C, Jullian E, Lescroart F, Zaffran S, Adachi N, Kelly RG. Retinoic acid signalling regulates branchiomeric neck muscle development at the head/trunk interface. Development 2024; 151:dev202905. [PMID: 39082789 DOI: 10.1242/dev.202905] [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: 03/27/2024] [Accepted: 07/18/2024] [Indexed: 08/30/2024]
Abstract
Skeletal muscles of the head and trunk originate in distinct lineages with divergent regulatory programmes converging on activation of myogenic determination factors. Branchiomeric head and neck muscles share a common origin with cardiac progenitor cells in cardiopharyngeal mesoderm (CPM). The retinoic acid (RA) signalling pathway is required during a defined early time window for normal deployment of cells from posterior CPM to the heart. Here, we show that blocking RA signalling in the early mouse embryo also results in selective loss of the trapezius neck muscle, without affecting other skeletal muscles. RA signalling is required for robust expression of myogenic determination factors in posterior CPM and subsequent expansion of the trapezius primordium. Lineage-specific activation of a dominant-negative RA receptor reveals that trapezius development is not regulated by direct RA signalling to myogenic progenitor cells in CPM, or through neural crest cells, but indirectly through the somitic lineage, closely apposed with posterior CPM in the early embryo. These findings suggest that trapezius development is dependent on precise spatiotemporal interactions between cranial and somitic mesoderm at the head/trunk interface.
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Affiliation(s)
- Camille E Dumas
- Aix-Marseille Université, CNRS UMR 7288, IBDM, 13009 Marseille, France
| | - Célia Rousset
- Aix-Marseille Université, CNRS UMR 7288, IBDM, 13009 Marseille, France
| | | | - Claudio Cortés
- Aix-Marseille Université, CNRS UMR 7288, IBDM, 13009 Marseille, France
| | - Estelle Jullian
- Aix-Marseille Université, CNRS UMR 7288, IBDM, 13009 Marseille, France
| | | | - Stéphane Zaffran
- Aix-Marseille Université, INSERM, MMG U1251, 13005 Marseille, France
| | - Noritaka Adachi
- Aix-Marseille Université, CNRS UMR 7288, IBDM, 13009 Marseille, France
| | - Robert G Kelly
- Aix-Marseille Université, CNRS UMR 7288, IBDM, 13009 Marseille, France
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8
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Zhao J, Rui L, Ouyang W, Hao Y, Liu Y, Tang J, Ding Z, Teng Z, Liu X, Zhu H, Ding Z. Cardiac commitment driven by MyoD expression in pericardial stem cells. Front Cell Dev Biol 2024; 12:1369091. [PMID: 38601082 PMCID: PMC11004306 DOI: 10.3389/fcell.2024.1369091] [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: 01/11/2024] [Accepted: 02/27/2024] [Indexed: 04/12/2024] Open
Abstract
Cellular therapy holds immense promise to remuscularize the damaged myocardium but is practically hindered by limited allogeneic sources of cardiac-committed cells that engraft stably in the recipient heart after transplantation. Here, we demonstrate that the pericardial tissue harbors myogenic stem cells (pSCs) that are activated in response to inflammatory signaling after myocardial infarction (MI). The pSCs derived from the MI rats (MI-pSCs) show in vivo and in vitro cardiac commitment characterized by cardiac-specific Tnnt2 expression and formation of rhythmic contraction in culture. Bulk RNA-seq analysis reveals significant upregulation of a panel of genes related to cardiac/myogenic differentiation, paracrine factors, and extracellular matrix in the activated pSCs compared to the control pSCs (Sham-pSCs). Notably, we define MyoD as a key factor that governs the process of cardiac commitment, as siRNA-mediated MyoD gene silencing results in a significant reduction of myogenic potential. Injection of the cardiac-committed cells into the infarcted rat heart leads to long-term survival and stable engraftment in the recipient myocardium. Therefore, these findings point to pericardial myogenic progenitors as an attractive candidate for cardiac cell-based therapy to remuscularize the damaged myocardium.
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Affiliation(s)
- Jianfeng Zhao
- Department of Cardiology, The People’s Hospital of Danyang Affiliated to Nantong University, Danyang, China
| | - Limei Rui
- Department of Cardiology, The People’s Hospital of Danyang Affiliated to Nantong University, Danyang, China
| | - Weili Ouyang
- Department of Cardiology, The People’s Hospital of Danyang Affiliated to Nantong University, Danyang, China
| | - Yingcai Hao
- Department of Cardiology, The People’s Hospital of Danyang Affiliated to Nantong University, Danyang, China
| | - Yusong Liu
- Department of Cardiology, The People’s Hospital of Danyang Affiliated to Nantong University, Danyang, China
| | - Jianfeng Tang
- Department of Cardiology, The People’s Hospital of Danyang Affiliated to Nantong University, Danyang, China
| | - Zheheng Ding
- Institute of Biochemistry and Molecular Biology II, Heinrich-Heine University of Düsseldorf, Düsseldorf, Germany
| | - Zenghui Teng
- Institute Neuro and Sensory Physiology, Heinrich-Heine University of Düsseldorf, Düsseldorf, Germany
| | - Xueqing Liu
- Department of Cardiology, The People’s Hospital of Danyang Affiliated to Nantong University, Danyang, China
| | - Hongtao Zhu
- Department of Cardiology, The People’s Hospital of Danyang Affiliated to Nantong University, Danyang, China
| | - Zhaoping Ding
- Institute of Molecular Cardiology, Heinrich-Heine University of Düsseldorf, Düsseldorf, Germany
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9
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Guijarro C, Kelly RG. On the involvement of the second heart field in congenital heart defects. C R Biol 2024; 347:9-18. [PMID: 38488639 DOI: 10.5802/crbiol.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 02/05/2024] [Accepted: 02/09/2024] [Indexed: 03/19/2024]
Abstract
Congenital heart defects (CHD) affect 1 in 100 live births and result from defects in cardiac development. Growth of the early heart tube occurs by the progressive addition of second heart field (SHF) progenitor cells to the cardiac poles. The SHF gives rise to ventricular septal, right ventricular and outflow tract myocardium at the arterial pole, and atrial, including atrial septal myocardium, at the venous pole. SHF deployment creates the template for subsequent cardiac septation and has been implicated in cardiac looping and in orchestrating outflow tract development with neural crest cells. Genetic or environmental perturbation of SHF deployment thus underlies a spectrum of common forms of CHD affecting conotruncal and septal morphogenesis. Here we review the major properties of SHF cells as well as recent insights into the developmental programs that drive normal cardiac progenitor cell addition and the origins of CHD.
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10
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Zhu Y, Yang S, Zhang T, Ge Y, Wan X, Liang G. Cardiac Organoids: A 3D Technology for Disease Modeling and Drug Screening. Curr Med Chem 2024; 31:4987-5003. [PMID: 37497713 DOI: 10.2174/0929867331666230727104911] [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: 03/22/2023] [Revised: 04/21/2023] [Accepted: 06/22/2023] [Indexed: 07/28/2023]
Abstract
Cardiovascular diseases remain the leading cause of death worldwide; therefore, there is increasing attention to developing physiological-related in vitro cardiovascular tissue models suitable for personalized healthcare and preclinical test. Recently, more complex and powerful in vitro models have emerged for cardiac research. Human cardiac organoids (HCOs) are three-dimensional (3D) cellular constructs similar to in vivo organs. They are derived from pluripotent stem cells and can replicate the structure, function, and biogenetic information of primitive tissues. High-fidelity HCOs are closer to natural human myocardial tissue than animal and cell models to some extent, which helps to study better the development process of the heart and the occurrence of related diseases. In this review, we introduce the methods for constructing HCOs and the application of them, especially in cardiovascular disease modeling and cardiac drug screening. In addition, we propose the prospects and limitations of HCOs. In summary, we have introduced the research progress of HCOs and described their innovation and practicality of them in the biomedical field.
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Affiliation(s)
- Yuxin Zhu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Sheng Yang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Tianyi Zhang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Yiling Ge
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Xin Wan
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, P.R. China
| | - Geyu Liang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu 210009, P.R. China
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11
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Buckingham M, Kelly RG. Cardiac Progenitor Cells of the First and Second Heart Fields. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1441:103-124. [PMID: 38884707 DOI: 10.1007/978-3-031-44087-8_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
The heart forms from the first and second heart fields, which contribute to distinct regions of the myocardium. This is supported by clonal analyses, which identify corresponding first and second cardiac cell lineages in the heart. Progenitor cells of the second heart field and its sub-domains are controlled by a gene regulatory network and signaling pathways, which determine their behavior. Multipotent cells in this field can also contribute cardiac endothelial and smooth muscle cells. Furthermore, the skeletal muscles of the head and neck are clonally related to myocardial cells that form the arterial and venous poles of the heart. These lineage relationships, together with the genes that regulate the heart fields, have major implications for congenital heart disease.
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Affiliation(s)
- Margaret Buckingham
- Department of Developmental and Stem Cell Biology, CNRS UMR 3738, Institut Pasteur, Paris, France.
| | - Robert G Kelly
- Aix Marseille Université, Institut de Biologie du Dévelopment de Marseille, Marseille, France.
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12
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Huang Z, Gu C, Zhang Z, Arianti R, Swaminathan A, Tran K, Battist A, Kristóf E, Ruan HB. Supraclavicular brown adipocytes originate from Tbx1+ myoprogenitors. PLoS Biol 2023; 21:e3002413. [PMID: 38048357 PMCID: PMC10721186 DOI: 10.1371/journal.pbio.3002413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 12/14/2023] [Accepted: 10/31/2023] [Indexed: 12/06/2023] Open
Abstract
Brown adipose tissue (BAT) dissipates energy as heat, contributing to temperature control, energy expenditure, and systemic homeostasis. In adult humans, BAT mainly exists in supraclavicular areas and its prevalence is associated with cardiometabolic health. However, the developmental origin of supraclavicular BAT remains unknown. Here, using genetic cell marking in mice, we demonstrate that supraclavicular brown adipocytes do not develop from the Pax3+/Myf5+ epaxial dermomyotome that gives rise to interscapular BAT (iBAT). Instead, the Tbx1+ lineage that specifies the pharyngeal mesoderm marks the majority of supraclavicular brown adipocytes. Tbx1Cre-mediated ablation of peroxisome proliferator-activated receptor gamma (PPARγ) or PR/SET Domain 16 (PRDM16), components of the transcriptional complex for brown fat determination, leads to supraclavicular BAT paucity or dysfunction, thus rendering mice more sensitive to cold exposure. Moreover, human deep neck BAT expresses higher levels of the TBX1 gene than subcutaneous neck white adipocytes. Taken together, our observations reveal location-specific developmental origins of BAT depots and call attention to Tbx1+ lineage cells when investigating human relevant supraclavicular BAT.
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Affiliation(s)
- Zan Huang
- Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
- National Center for International Research on Animal Gut Nutrition, Nanjing Agricultural University, Nanjing, China
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, Minnesota, United States of America
| | - Chenxin Gu
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, Minnesota, United States of America
| | - Zengdi Zhang
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, Minnesota, United States of America
| | - Rini Arianti
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Aneesh Swaminathan
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, Minnesota, United States of America
| | - Kevin Tran
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, Minnesota, United States of America
| | - Alex Battist
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, Minnesota, United States of America
| | - Endre Kristóf
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Hai-Bin Ruan
- Department of Integrative Biology and Physiology, University of Minnesota Medical School, Minneapolis, Minnesota, United States of America
- Center for Immunology, University of Minnesota Medical School, Minneapolis, Minnesota, United States of America
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13
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Vitrinel B, Vogel C, Christiaen L. Ring Finger 149-Related Is an FGF/MAPK-Independent Regulator of Pharyngeal Muscle Fate Specification. Int J Mol Sci 2023; 24:8865. [PMID: 37240211 PMCID: PMC10219245 DOI: 10.3390/ijms24108865] [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: 03/13/2023] [Revised: 04/26/2023] [Accepted: 04/29/2023] [Indexed: 05/28/2023] Open
Abstract
During embryonic development, cell-fate specification gives rise to dedicated lineages that underlie tissue formation. In olfactores, which comprise tunicates and vertebrates, the cardiopharyngeal field is formed by multipotent progenitors of both cardiac and branchiomeric muscles. The ascidian Ciona is a powerful model to study cardiopharyngeal fate specification with cellular resolution, as only two bilateral pairs of multipotent cardiopharyngeal progenitors give rise to the heart and to the pharyngeal muscles (also known as atrial siphon muscles, ASM). These progenitors are multilineage primed, in as much as they express a combination of early ASM- and heart-specific transcripts that become restricted to their corresponding precursors, following oriented and asymmetric divisions. Here, we identify the primed gene ring finger 149 related (Rnf149-r), which later becomes restricted to the heart progenitors, but appears to regulate pharyngeal muscle fate specification in the cardiopharyngeal lineage. CRISPR/Cas9-mediated loss of Rnf149-r function impairs atrial siphon muscle morphogenesis, and downregulates Tbx1/10 and Ebf, two key determinants of pharyngeal muscle fate, while upregulating heart-specific gene expression. These phenotypes are reminiscent of the loss of FGF/MAPK signaling in the cardiopharyngeal lineage, and an integrated analysis of lineage-specific bulk RNA-seq profiling of loss-of-function perturbations has identified a significant overlap between candidate FGF/MAPK and Rnf149-r target genes. However, functional interaction assays suggest that Rnf149-r does not directly modulate the activity of the FGF/MAPK/Ets1/2 pathway. Instead, we propose that Rnf149-r acts both in parallel to the FGF/MAPK signaling on shared targets, as well as on FGF/MAPK-independent targets through (a) separate pathway(s).
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Affiliation(s)
- Burcu Vitrinel
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, NY 10003, USA
- Center for Developmental Genetics, Department of Biology, New York University, New York, NY 10003, USA
| | - Christine Vogel
- Center for Genomics and Systems Biology, Department of Biology, New York University, New York, NY 10003, USA
| | - Lionel Christiaen
- Center for Developmental Genetics, Department of Biology, New York University, New York, NY 10003, USA
- Michael Sars Centre, University of Bergen, P.O. Box 7800, 5020 Bergen, Norway
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14
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Kocere A, Lalonde RL, Mosimann C, Burger A. Lateral thinking in syndromic congenital cardiovascular disease. Dis Model Mech 2023; 16:dmm049735. [PMID: 37125615 PMCID: PMC10184679 DOI: 10.1242/dmm.049735] [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: 05/02/2023] Open
Abstract
Syndromic birth defects are rare diseases that can present with seemingly pleiotropic comorbidities. Prime examples are rare congenital heart and cardiovascular anomalies that can be accompanied by forelimb defects, kidney disorders and more. Whether such multi-organ defects share a developmental link remains a key question with relevance to the diagnosis, therapeutic intervention and long-term care of affected patients. The heart, endothelial and blood lineages develop together from the lateral plate mesoderm (LPM), which also harbors the progenitor cells for limb connective tissue, kidneys, mesothelia and smooth muscle. This developmental plasticity of the LPM, which founds on multi-lineage progenitor cells and shared transcription factor expression across different descendant lineages, has the potential to explain the seemingly disparate syndromic defects in rare congenital diseases. Combining patient genome-sequencing data with model organism studies has already provided a wealth of insights into complex LPM-associated birth defects, such as heart-hand syndromes. Here, we summarize developmental and known disease-causing mechanisms in early LPM patterning, address how defects in these processes drive multi-organ comorbidities, and outline how several cardiovascular and hematopoietic birth defects with complex comorbidities may be LPM-associated diseases. We also discuss strategies to integrate patient sequencing, data-aggregating resources and model organism studies to mechanistically decode congenital defects, including potentially LPM-associated orphan diseases. Eventually, linking complex congenital phenotypes to a common LPM origin provides a framework to discover developmental mechanisms and to anticipate comorbidities in congenital diseases affecting the cardiovascular system and beyond.
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Affiliation(s)
- Agnese Kocere
- University of Colorado School of Medicine, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, CO 80045, USA
- Department of Molecular Life Science, University of Zurich, 8057 Zurich, Switzerland
| | - Robert L. Lalonde
- University of Colorado School of Medicine, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, CO 80045, USA
| | - Christian Mosimann
- University of Colorado School of Medicine, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, CO 80045, USA
| | - Alexa Burger
- University of Colorado School of Medicine, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, Aurora, CO 80045, USA
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15
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Yahya I, Brand-Saberi B, Morosan-Puopolo G. Chicken embryo as a model in second heart field development. Heliyon 2023; 9:e14230. [PMID: 36923876 PMCID: PMC10009738 DOI: 10.1016/j.heliyon.2023.e14230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 01/30/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023] Open
Abstract
Previously, a single source of progenitor cells was thought to be responsible for the formation of the cardiac muscle. However, the second heart field has recently been identified as an additional source of myocardial progenitor cells. The chicken embryo, which develops in the egg, outside the mother can easily be manipulated in vivo and in vitro. Hence, it was an excellent model for establishing the concept of the second heart field. Here, our review will focus on the chicken model, specifically its role in understanding the second heart field. In addition to discussing historical aspects, we provide an overview of recent findings that have helped to define the chicken second heart field progenitor cells. A better understanding of the second heart field development will provide important insights into the congenital malformations affecting cardiac muscle formation and function.
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Affiliation(s)
- Imadeldin Yahya
- Department of Anatomy and Molecular Embryology, Ruhr University Bochum, 44801, Bochum, Germany
- Department of Anatomy, Faculty of Veterinary Medicine, University of Khartoum, Khartoum, 11115, Sudan
- Corresponding author. Department of Anatomy and Molecular Embryology, Ruhr University Bochum, 44801 Bochum, Germany.
| | - Beate Brand-Saberi
- Department of Anatomy and Molecular Embryology, Ruhr University Bochum, 44801, Bochum, Germany
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16
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Kelly RG. The heart field transcriptional landscape at single-cell resolution. Dev Cell 2023; 58:257-266. [PMID: 36809764 DOI: 10.1016/j.devcel.2023.01.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 10/06/2022] [Accepted: 01/27/2023] [Indexed: 02/22/2023]
Abstract
Organogenesis requires the orchestrated development of multiple cell lineages that converge, interact, and specialize to generate coherent functional structures, exemplified by transformation of the cardiac crescent into a four-chambered heart. Cardiomyocytes originate from the first and second heart fields, which make different regional contributions to the definitive heart. In this review, a series of recent single-cell transcriptomic analyses, together with genetic tracing experiments, are discussed, providing a detailed panorama of the cardiac progenitor cell landscape. These studies reveal that first heart field cells originate in a juxtacardiac field adjacent to extraembryonic mesoderm and contribute to the ventrolateral side of the cardiac primordium. In contrast, second heart field cells are deployed dorsomedially from a multilineage-primed progenitor population via arterial and venous pole pathways. Refining our knowledge of the origin and developmental trajectories of cells that build the heart is essential to address outstanding challenges in cardiac biology and disease.
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Affiliation(s)
- Robert G Kelly
- Aix-Marseille Université, CNRS UMR 7288, IBDM, Marseille, France.
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17
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Development of a Method for the In Vivo Generation of Allogeneic Hearts in Chimeric Mouse Embryos. Int J Mol Sci 2023; 24:ijms24021163. [PMID: 36674675 PMCID: PMC9865658 DOI: 10.3390/ijms24021163] [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: 11/03/2022] [Revised: 12/05/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023] Open
Abstract
Worldwide, there is a great gap between the demand and supply of organs for transplantations. Organs generated from the patients' cells would not only solve the problem of transplant availability but also overcome the complication of incompatibility and tissue rejection by the host immune system. One of the most promising methods tested for the production of organs in vivo is blastocyst complementation (BC). Regrettably, BC is not suitable for the creation of hearts. We have developed a novel method, induced blastocyst complementation (iBC), to surpass this shortcoming. By applying iBC, we generated chimeric mouse embryos, made up of "host" and "donor" cells. We used a specific cardiac enhancer to drive the expression of the diphtheria toxin gene (dtA) in the "host" cells, so that these cells are depleted from the developing hearts, which now consist of "donor" cells. This is a proof-of-concept study, showing that it is possible to produce allogeneic and ultimately, xenogeneic hearts in chimeric organisms. The ultimate goal is to generate, in the future, human hearts in big animals such as pigs, from the patients' cells, for transplantations. Such a system would generate transplants in a relatively short amount of time, improving the quality of life for countless patients around the world.
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18
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Yahya I, Omer EAM, Gellisch M, Brand-Saberi B, Morosan-Puopolo G. Implementing a multi-colour genetic marker analysis technique for embryology education. Anat Histol Embryol 2023; 52:85-92. [PMID: 36177714 DOI: 10.1111/ahe.12868] [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: 05/29/2022] [Revised: 08/03/2022] [Accepted: 09/18/2022] [Indexed: 01/19/2023]
Abstract
Embryology belongs to the basic sciences and is usually an integral part of the anatomy. The subject is traditionally taught by visual inspection of embryonic tissue slides stained with Haematoxylin and Eosin (H&E) to expose the dynamics of tissue histology as development proceeds. While combining in situ hybridization for gene expression analysis and immunostaining for protein expression analysis is an established technique for embryology research, the implementation of this tool in embryology teaching has not been described. The present study was conducted to assess the use of an online multi-colour gene expression analysis technique, alongside histological sections and diagrams, to improve students' understanding of embryology. The participants of this study were bachelor's students of Veterinary Medicine at the University of Khartoum. The method was also evaluated by distributing questionnaire items to Veterinary students via Google forms; subsequently, their responses were analysed qualitatively. The majority of students stated that the new technique was beneficial for their learning of embryology. The multi-colour images proved a more effective means for learning embryology than the traditional H&E image. Results from the students strengthen the belief in applying the multi-colour technique for better embryology course learning.
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Affiliation(s)
- Imadeldin Yahya
- Department of Anatomy, Faculty of Veterinary Medicine, University of Khartoum, Khartoum, Sudan.,Department of Anatomy and Molecular Embryology, Ruhr University Bochum, Bochum, Germany
| | - Elhady A M Omer
- Department of Animal Breeding and Genetics, University of Khartoum, Khartoum, Sudan.,Department of Animal Breeding, Faculty of Organic Agricultural Sciences, University of Kassel, Witzenhausen, Germany
| | - Morris Gellisch
- Department of Anatomy and Molecular Embryology, Ruhr University Bochum, Bochum, Germany
| | - Beate Brand-Saberi
- Department of Anatomy and Molecular Embryology, Ruhr University Bochum, Bochum, Germany
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19
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Ziermann JM. Overview of Head Muscles with Special Emphasis on Extraocular Muscle Development. ADVANCES IN ANATOMY, EMBRYOLOGY, AND CELL BIOLOGY 2023; 236:57-80. [PMID: 37955771 DOI: 10.1007/978-3-031-38215-4_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
The head is often considered the most complex part of the vertebrate body as many different cell types contribute to a huge variation of structures in a very limited space. Most of these cell types also interact with each other to ensure the proper development of skull, brain, muscles, nerves, connective tissue, and blood vessels. While there are general mechanisms that are true for muscle development all over the body, the head and postcranial muscle development differ from each other. In the head, specific gene regulatory networks underlie the differentiation in subgroups, which include extraocular muscles, muscles of mastication, muscles of facial expression, laryngeal and pharyngeal muscles, as well as cranial nerve innervated neck muscles. Here, I provide an overview of the difference between head and trunk muscle development. This is followed by a short excursion to the cardiopharyngeal field which gives rise to heart and head musculature and a summary of pharyngeal arch muscle development, including interactions between neural crest cells, mesodermal cells, and endodermal signals. Lastly, a more detailed description of the eye development, tissue interactions, and involved genes is provided.
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20
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Zhao K, Yang Z. The second heart field: the first 20 years. Mamm Genome 2022:10.1007/s00335-022-09975-8. [PMID: 36550326 DOI: 10.1007/s00335-022-09975-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022]
Abstract
In 2001, three independent groups reported the identification of a novel cluster of progenitor cells that contribute to heart development in mouse and chicken embryos. This population of progenitor cells was designated as the second heart field (SHF), and a new research direction in heart development was launched. Twenty years have since passed and a comprehensive understanding of the SHF has been achieved. This review provides retrospective insights in to the contribution, the signaling regulatory networks and the epithelial properties of the SHF. It also includes the spatiotemporal characteristics of SHF development and interactions between the SHF and other types of cells during heart development. Although considerable efforts will be required to investigate the cellular heterogeneity of the SHF, together with its intricate regulatory networks and undefined mechanisms, it is expected that the burgeoning new technology of single-cell sequencing and precise lineage tracing will advance the comprehension of SHF function and its molecular signals. The advances in SHF research will translate to clinical applications and to the treatment of congenital heart diseases, especially conotruncal defects, as well as to regenerative medicine.
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Affiliation(s)
- Ke Zhao
- State Key Laboratory of Pharmaceutical Biotechnology, MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, and Jiangsu Key Laboratory of Molecular Medicine, Nanjing University Medical School, Nanjing, 210093, China
| | - Zhongzhou Yang
- State Key Laboratory of Pharmaceutical Biotechnology, MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, and Jiangsu Key Laboratory of Molecular Medicine, Nanjing University Medical School, Nanjing, 210093, China.
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21
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Rammah M, Théveniau-Ruissy M, Sturny R, Rochais F, Kelly RG. PPARγ and NOTCH Regulate Regional Identity in the Murine Cardiac Outflow Tract. Circ Res 2022; 131:842-858. [PMID: 36205127 DOI: 10.1161/circresaha.122.320766] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 09/14/2022] [Indexed: 01/26/2023]
Abstract
BACKGROUND The arterial pole of the heart is a hotspot for life-threatening forms of congenital heart defects (CHDs). Development of this cardiac region occurs by addition of Second Heart Field (SHF) progenitor cells to the embryonic outflow tract (OFT) and subsequently the base of the ascending aorta and pulmonary trunk. Understanding the cellular and genetic mechanisms driving arterial pole morphogenesis is essential to provide further insights into the cause of CHDs. METHODS A synergistic combination of bioinformatic analysis and mouse genetics as well as embryo and explant culture experiments were used to dissect the cross-regulatory transcriptional circuitry operating in future subaortic and subpulmonary OFT myocardium. RESULTS Here, we show that the lipid sensor PPARγ (peroxisome proliferator-activated receptor gamma) is expressed in future subpulmonary myocardium in the inferior wall of the OFT and that PPARγ signaling-related genes display regionalized OFT expression regulated by the transcription factor TBX1 (T-box transcription factor 1). Modulating PPARγ activity in ex vivo cultured embryos treated with a PPARγ agonist or antagonist or deleting Pparγ in cardiac progenitor cells using Mesp1-Cre reveals that Pparγ is required for addition of future subpulmonary myocardium and normal arterial pole development. Additionally, the non-canonical DLK1 (delta-like noncanonical Notch ligand 1)/NOTCH (Notch receptor 1)/HES1 (Hes family bHLH transcription factor 1) pathway negatively regulates Pparγ in future subaortic myocardium in the superior OFT wall. CONCLUSIONS Together these results identify Pparγ as a regulator of regional transcriptional identity in the developing heart, providing new insights into gene interactions involved in congenital heart defects.
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Affiliation(s)
- Mayyasa Rammah
- Aix Marseille University, CNRS UMR 7288, IBDM, Marseille, France (M.R., M.T.R., R.S., F.R., R.G.K.)
| | - Magali Théveniau-Ruissy
- Aix Marseille University, CNRS UMR 7288, IBDM, Marseille, France (M.R., M.T.R., R.S., F.R., R.G.K.)
- Aix Marseille Univ, INSERM, MMG, Marseille, France (M.T.R., F.R.)
| | - Rachel Sturny
- Aix Marseille University, CNRS UMR 7288, IBDM, Marseille, France (M.R., M.T.R., R.S., F.R., R.G.K.)
| | - Francesca Rochais
- Aix Marseille University, CNRS UMR 7288, IBDM, Marseille, France (M.R., M.T.R., R.S., F.R., R.G.K.)
- Aix Marseille Univ, INSERM, MMG, Marseille, France (M.T.R., F.R.)
| | - Robert G Kelly
- Aix Marseille University, CNRS UMR 7288, IBDM, Marseille, France (M.R., M.T.R., R.S., F.R., R.G.K.)
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22
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Yahya I, Hockman D, Brand-Saberi B, Morosan-Puopolo G. New Insights into the Diversity of Branchiomeric Muscle Development: Genetic Programs and Differentiation. BIOLOGY 2022; 11:biology11081245. [PMID: 36009872 PMCID: PMC9404950 DOI: 10.3390/biology11081245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 07/30/2022] [Accepted: 08/16/2022] [Indexed: 12/02/2022]
Abstract
Simple Summary We review the transcription factors and signaling molecules driving differentiation of a subset of head muscles known as the branchiomeric muscles due to their origin in the pharyngeal arches. We provide novel data on the distinct myogenic programs within these muscles and explore how the cranial neural crest cell regulates branchiomeric muscle patterning and differentiation. Abstract Branchiomeric skeletal muscles are a subset of head muscles originating from skeletal muscle progenitor cells in the mesodermal core of pharyngeal arches. These muscles are involved in facial expression, mastication, and function of the larynx and pharynx. Branchiomeric muscles have been the focus of many studies over the years due to their distinct developmental programs and common origin with the heart muscle. A prerequisite for investigating these muscles’ properties and therapeutic potential is understanding their genetic program and differentiation. In contrast to our understanding of how branchiomeric muscles are formed, less is known about their differentiation. This review focuses on the differentiation of branchiomeric muscles in mouse embryos. Furthermore, the relationship between branchiomeric muscle progenitor and neural crest cells in the pharyngeal arches of chicken embryos is also discussed. Additionally, we summarize recent studies into the genetic networks that distinguish between first arch-derived muscles and other pharyngeal arch muscles.
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Affiliation(s)
- Imadeldin Yahya
- Department of Anatomy and Molecular Embryology, Ruhr University Bochum, 44801 Bochum, Germany
- Department of Anatomy, Faculty of Veterinary Medicine, University of Khartoum, Khartoum 11115, Sudan
- Division of Cell Biology, Department of Human Biology, Neuroscience Institute, Faculty of Health Sciences, University of Cape Town, Cape Town 7700, South Africa
- Correspondence: (I.Y.); (G.M.-P.)
| | - Dorit Hockman
- Division of Cell Biology, Department of Human Biology, Neuroscience Institute, Faculty of Health Sciences, University of Cape Town, Cape Town 7700, South Africa
| | - Beate Brand-Saberi
- Department of Anatomy and Molecular Embryology, Ruhr University Bochum, 44801 Bochum, Germany
| | - Gabriela Morosan-Puopolo
- Department of Anatomy and Molecular Embryology, Ruhr University Bochum, 44801 Bochum, Germany
- Correspondence: (I.Y.); (G.M.-P.)
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23
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Elmadbouh I. Generation of muscle progenitors from human-induced pluripotent stem cells. EGYPTIAN JOURNAL OF MEDICAL HUMAN GENETICS 2022. [DOI: 10.1186/s43042-022-00319-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Small molecules have a role in the differentiation of human-induced pluripotent stem cells (hiPSCs) into different cell linages. The aim of this study was to evaluate the differentiation of hiPSCs into cardiac or skeletal myogenic progenitors with a single small molecule.
Methods
hiPSCs were treated with three different small molecules such as Isoxazole-9, Danazol and Givinostat in serum-free medium for 7 days. Cell viability, qRT-PCR, western blots, and immunostaining were assessed after treatment of hiPSCs with small molecules.
Results
Higher hiPSC viability was observed in hiPSCs treated with Isoxazole-9 (25 µM), Danazol (25 µM) and Givinostat (150 nM) versus control (P < 0.05). Givinostat had dual effect by generating both skeletal and cardiac progenitor cells versus Isoxazole-9 and Danazol after 7 days. Givinostat treatment induced upregulation of skeletal myogenic genes and their protein expression levels on day 4 and further increased on day 8 (P < 0.05) versus control. Furthermore,positive stained cells for Pax3, Myf5, MyoD1, dystrophin, desmin, myogenin, and β-catenin at 1 month. Givinostat increased upregulation of cardiac gene expression levels versus control after day 4 (P < 0.05), with positive stained cells for Nkx2.5, GATA4, TnT, TnI, connexin 43 and α-sarcomeric actinin at 1 month.
Conclusions
Pretreatment of hiPSCs with Givinostat represents a viable strategy for producing both cardiac/skeletal myogenic progenitors in vitro for cell therapies against myocardial infarction and Duchenne muscular dystrophy.
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24
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Yahya I, Böing M, Hockman D, Brand-Saberi B, Morosan-Puopolo G. The Emergence of Embryonic Myosin Heavy Chain during Branchiomeric Muscle Development. Life (Basel) 2022; 12:life12060785. [PMID: 35743816 PMCID: PMC9224566 DOI: 10.3390/life12060785] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/18/2022] [Accepted: 05/22/2022] [Indexed: 12/31/2022] Open
Abstract
A prerequisite for discovering the properties and therapeutic potential of branchiomeric muscles is an understanding of their fate determination, pattering and differentiation. Although the expression of differentiation markers such as myosin heavy chain (MyHC) during trunk myogenesis has been more intensively studied, little is known about its expression in the developing branchiomeric muscle anlagen. To shed light on this, we traced the onset of MyHC expression in the facial and neck muscle anlagen by using the whole-mount in situ hybridization between embryonic days E9.5 and E15.5 in the mouse. Unlike trunk muscle, the facial and neck muscle anlagen express MyHC at late stages. Within the branchiomeric muscles, our results showed variation in the emergence of MyHC expression. MyHC was first detected in the first arch-derived muscle anlagen, while its expression in the second arch-derived muscle and non-somitic neck muscle began at a later time point. Additionally, we show that non-ectomesenchymal neural crest invasion of the second branchial arch is delayed compared with that of the first brachial arch in chicken embryos. Thus, our findings reflect the timing underlying branchiomeric muscle differentiation.
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Affiliation(s)
- Imadeldin Yahya
- Department of Anatomy, Faculty of Veterinary Medicine, University of Khartoum, Khartoum 11115, Sudan;
- Department of Anatomy and Molecular Embryology, Ruhr University Bochum, 44801 Bochum, Germany; (M.B.); (B.B.-S.)
- Division of Cell Biology, Department of Human Biology, Neuroscience Institute, Faculty of Health Sciences, University of Cape Town, Cape Town 7700, South Africa;
| | - Marion Böing
- Department of Anatomy and Molecular Embryology, Ruhr University Bochum, 44801 Bochum, Germany; (M.B.); (B.B.-S.)
| | - Dorit Hockman
- Division of Cell Biology, Department of Human Biology, Neuroscience Institute, Faculty of Health Sciences, University of Cape Town, Cape Town 7700, South Africa;
| | - Beate Brand-Saberi
- Department of Anatomy and Molecular Embryology, Ruhr University Bochum, 44801 Bochum, Germany; (M.B.); (B.B.-S.)
| | - Gabriela Morosan-Puopolo
- Department of Anatomy and Molecular Embryology, Ruhr University Bochum, 44801 Bochum, Germany; (M.B.); (B.B.-S.)
- Correspondence:
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25
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Geetha-Loganathan P, Abramyan J, Buchtová M. Editorial: Cellular Mechanisms During Normal and Abnormal Craniofacial Development. Front Cell Dev Biol 2022; 10:872038. [PMID: 35345852 PMCID: PMC8957218 DOI: 10.3389/fcell.2022.872038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 02/18/2022] [Indexed: 11/22/2022] Open
Affiliation(s)
| | - John Abramyan
- Department of Natural Sciences, University of Michigan-Dearborn, Dearborn, MI, United States
| | - Marcela Buchtová
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia.,Laboratory of Molecular Morphogenesis, Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Brno, Czechia
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26
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Song M, Yuan X, Racioppi C, Leslie M, Stutt N, Aleksandrova A, Christiaen L, Wilson MD, Scott IC. GATA4/5/6 family transcription factors are conserved determinants of cardiac versus pharyngeal mesoderm fate. SCIENCE ADVANCES 2022; 8:eabg0834. [PMID: 35275720 PMCID: PMC8916722 DOI: 10.1126/sciadv.abg0834] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
GATA4/5/6 transcription factors play essential, conserved roles in heart development. To understand how GATA4/5/6 modulates the mesoderm-to-cardiac fate transition, we labeled, isolated, and performed single-cell gene expression analysis on cells that express gata5 at precardiac time points spanning zebrafish gastrulation to somitogenesis. We found that most mesendoderm-derived lineages had dynamic gata5/6 expression. In the absence of Gata5/6, the population structure of mesendoderm-derived cells was substantially altered. In addition to the expected absence of cardiac mesoderm, we confirmed a concomitant expansion of cranial-pharyngeal mesoderm. Moreover, Gata5/6 loss led to extensive changes in chromatin accessibility near cardiac and pharyngeal genes. Functional analyses in zebrafish and the tunicate Ciona, which has a single GATA4/5/6 homolog, revealed that GATA4/5/6 acts upstream of tbx1 to exert essential and cell-autonomous roles in promoting cardiac and inhibiting pharyngeal mesoderm identity. Overall, cardiac and pharyngeal mesoderm fate choices are achieved through an evolutionarily conserved GATA4/5/6 regulatory network.
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Affiliation(s)
- Mengyi Song
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, Canada
- Program in Genetics and Genome Biology, The Hospital for Sick Children, Toronto, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Canada
| | - Xuefei Yuan
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, Canada
- Program in Genetics and Genome Biology, The Hospital for Sick Children, Toronto, Canada
| | - Claudia Racioppi
- Center for Developmental Genetics, Department of Biology, New York University, New York, NY, USA
| | - Meaghan Leslie
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Canada
| | - Nathan Stutt
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Canada
| | - Anastasiia Aleksandrova
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, Canada
| | - Lionel Christiaen
- Center for Developmental Genetics, Department of Biology, New York University, New York, NY, USA
- Sars International Centre for Marine Molecular Biology, University of Bergen, Bergen, Norway
- Department of Heart Disease, Haukeland University Hospital, Bergen, Norway
| | - Michael D. Wilson
- Program in Genetics and Genome Biology, The Hospital for Sick Children, Toronto, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Canada
- Corresponding author. (M.D.W.); (I.C.S.)
| | - Ian C. Scott
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Canada
- Corresponding author. (M.D.W.); (I.C.S.)
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27
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Hikspoors JPJM, Kruepunga N, Mommen GMC, Köhler SE, Anderson RH, Lamers WH. A pictorial account of the human embryonic heart between 3.5 and 8 weeks of development. Commun Biol 2022; 5:226. [PMID: 35277594 PMCID: PMC8917235 DOI: 10.1038/s42003-022-03153-x] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 02/09/2022] [Indexed: 12/28/2022] Open
Abstract
Heart development is topographically complex and requires visualization to understand its progression. No comprehensive 3-dimensional primer of human cardiac development is currently available. We prepared detailed reconstructions of 12 hearts between 3.5 and 8 weeks post fertilization, using Amira® 3D-reconstruction and Cinema4D®-remodeling software. The models were visualized as calibrated interactive 3D-PDFs. We describe the developmental appearance and subsequent remodeling of 70 different structures incrementally, using sequential segmental analysis. Pictorial timelines of structures highlight age-dependent events, while graphs visualize growth and spiraling of the wall of the heart tube. The basic cardiac layout is established between 3.5 and 4.5 weeks. Septation at the venous pole is completed at 6 weeks. Between 5.5 and 6.5 weeks, as the outflow tract becomes incorporated in the ventricles, the spiraling course of its subaortic and subpulmonary channels is transferred to the intrapericardial arterial trunks. The remodeling of the interventricular foramen is complete at 7 weeks.
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Affiliation(s)
- Jill P J M Hikspoors
- Department of Anatomy & Embryology, Maastricht University, Maastricht, The Netherlands.
| | - Nutmethee Kruepunga
- Department of Anatomy & Embryology, Maastricht University, Maastricht, The Netherlands
- Department of Anatomy, Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Greet M C Mommen
- Department of Anatomy & Embryology, Maastricht University, Maastricht, The Netherlands
| | - S Eleonore Köhler
- Department of Anatomy & Embryology, Maastricht University, Maastricht, The Netherlands
| | - Robert H Anderson
- Biosciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Wouter H Lamers
- Department of Anatomy & Embryology, Maastricht University, Maastricht, The Netherlands
- Tytgat Institute for Liver and Intestinal Research, Academic Medical Center, Amsterdam, The Netherlands
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28
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Abrial M, Basu S, Huang M, Butty V, Schwertner A, Jeffrey S, Jordan D, Burns CE, Burns CG. Latent TGFβ-binding proteins 1 and 3 protect the larval zebrafish outflow tract from aneurysmal dilatation. Dis Model Mech 2022; 15:dmm046979. [PMID: 35098309 PMCID: PMC8990920 DOI: 10.1242/dmm.046979] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 01/13/2022] [Indexed: 11/20/2022] Open
Abstract
Aortic root aneurysm is a common cause of morbidity and mortality in Loeys-Dietz and Marfan syndromes, where perturbations in transforming growth factor beta (TGFβ) signaling play a causal or contributory role, respectively. Despite the advantages of cross-species disease modeling, animal models of aortic root aneurysm are largely restricted to genetically engineered mice. Here, we report that zebrafish devoid of the genes encoding latent-transforming growth factor beta-binding protein 1 and 3 (ltbp1 and ltbp3, respectively) develop rapid and severe aneurysm of the outflow tract (OFT), the aortic root equivalent. Similar to syndromic aneurysm tissue, the distended OFTs display evidence for paradoxical hyperactivated TGFβ signaling. RNA-sequencing revealed significant overlap between the molecular signatures of disease tissue from mutant zebrafish and a mouse model of Marfan syndrome. Moreover, chemical inhibition of TGFβ signaling in wild-type animals phenocopied mutants but chemical activation did not, demonstrating that TGFβ signaling is protective against aneurysm. Human relevance is supported by recent studies implicating genetic lesions in LTBP3 and, potentially, LTBP1 as heritable causes of aortic root aneurysm. Ultimately, our data demonstrate that zebrafish can now be leveraged to interrogate thoracic aneurysmal disease and identify novel lead compounds through small-molecule suppressor screens. This article has an associated First Person interview with the first author of the paper.
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Affiliation(s)
- Maryline Abrial
- Cardiovascular Research Center, Department of Cardiology, Massachusetts General Hospital, Charlestown, MA 02129, USA
- Harvard Medical School, Boston, MA 02115, USA
| | - Sandeep Basu
- Harvard Medical School, Boston, MA 02115, USA
- Division of Basic and Translational Cardiovascular Research, Department of Cardiology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Mengmeng Huang
- Cardiovascular Research Center, Department of Cardiology, Massachusetts General Hospital, Charlestown, MA 02129, USA
- Harvard Medical School, Boston, MA 02115, USA
- Division of Basic and Translational Cardiovascular Research, Department of Cardiology, Boston Children's Hospital, Boston, MA 02115, USA
| | - Vincent Butty
- BioMicroCenter, Department of Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Asya Schwertner
- Cardiovascular Research Center, Department of Cardiology, Massachusetts General Hospital, Charlestown, MA 02129, USA
- Harvard Medical School, Boston, MA 02115, USA
| | - Spencer Jeffrey
- Cardiovascular Research Center, Department of Cardiology, Massachusetts General Hospital, Charlestown, MA 02129, USA
| | - Daniel Jordan
- Cardiovascular Research Center, Department of Cardiology, Massachusetts General Hospital, Charlestown, MA 02129, USA
| | - Caroline E. Burns
- Cardiovascular Research Center, Department of Cardiology, Massachusetts General Hospital, Charlestown, MA 02129, USA
- Harvard Medical School, Boston, MA 02115, USA
- Division of Basic and Translational Cardiovascular Research, Department of Cardiology, Boston Children's Hospital, Boston, MA 02115, USA
- Harvard Stem Cell Institute, Cambridge, MA 02138, USA
| | - C. Geoffrey Burns
- Cardiovascular Research Center, Department of Cardiology, Massachusetts General Hospital, Charlestown, MA 02129, USA
- Harvard Medical School, Boston, MA 02115, USA
- Division of Basic and Translational Cardiovascular Research, Department of Cardiology, Boston Children's Hospital, Boston, MA 02115, USA
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29
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Maxmen A. An ancient link between heart and head — as seen in the blobby, headless sea squirt. Nature 2022; 602:380-382. [DOI: 10.1038/d41586-022-00413-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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30
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Palmquist-Gomes P, Meilhac SM. Shaping the mouse heart tube from the second heart field epithelium. Curr Opin Genet Dev 2022; 73:101896. [PMID: 35026527 DOI: 10.1016/j.gde.2021.101896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/12/2021] [Accepted: 12/15/2021] [Indexed: 11/03/2022]
Abstract
As other tubular organs, the embryonic heart develops from an epithelial sheet of cells, referred to as the heart field. The second heart field, which lies in the dorsal pericardial wall, constitutes a transient cell reservoir, integrating patterning and polarity cues. Conditional mutants have shown that impairment of the epithelial architecture of the second heart field is associated with congenital heart defects. Here, taking the mouse as a model, we review the epithelial properties of the second heart field and how they are modulated upon cardiomyocyte differentiation. Compared to other cases of tubulogenesis, the cellular dynamics in the second heart field are only beginning to be revealed. A challenge for the future will be to unravel key physical forces driving heart tube morphogenesis.
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Affiliation(s)
- Paul Palmquist-Gomes
- Université de Paris, Imagine- Institut Pasteur, Unit of Heart Morphogenesis, INSERM UMR1163, Paris, F-75015, France
| | - Sigolène M Meilhac
- Université de Paris, Imagine- Institut Pasteur, Unit of Heart Morphogenesis, INSERM UMR1163, Paris, F-75015, France.
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31
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Nomaru H, Liu Y, De Bono C, Righelli D, Cirino A, Wang W, Song H, Racedo SE, Dantas AG, Zhang L, Cai CL, Angelini C, Christiaen L, Kelly RG, Baldini A, Zheng D, Morrow BE. Single cell multi-omic analysis identifies a Tbx1-dependent multilineage primed population in murine cardiopharyngeal mesoderm. Nat Commun 2021; 12:6645. [PMID: 34789765 PMCID: PMC8599455 DOI: 10.1038/s41467-021-26966-6] [Citation(s) in RCA: 28] [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: 01/08/2021] [Accepted: 10/18/2021] [Indexed: 12/11/2022] Open
Abstract
The poles of the heart and branchiomeric muscles of the face and neck are formed from the cardiopharyngeal mesoderm within the pharyngeal apparatus. They are disrupted in patients with 22q11.2 deletion syndrome, due to haploinsufficiency of TBX1, encoding a T-box transcription factor. Here, using single cell RNA-sequencing, we now identify a multilineage primed population within the cardiopharyngeal mesoderm, marked by Tbx1, which has bipotent properties to form cardiac and branchiomeric muscle cells. The multilineage primed cells are localized within the nascent mesoderm of the caudal lateral pharyngeal apparatus and provide a continuous source of cardiopharyngeal mesoderm progenitors. Tbx1 regulates the maturation of multilineage primed progenitor cells to cardiopharyngeal mesoderm derivatives while restricting ectopic non-mesodermal gene expression. We further show that TBX1 confers this balance of gene expression by direct and indirect regulation of enriched genes in multilineage primed progenitors and downstream pathways, partly through altering chromatin accessibility, the perturbation of which can lead to congenital defects in individuals with 22q11.2 deletion syndrome.
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Affiliation(s)
- Hiroko Nomaru
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Yang Liu
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA
| | | | - Dario Righelli
- Institute for Applied Computing, National Research Council, Naples, Italy
- Department of Statistical Sciences, University of Padova, Padova, Italy
| | - Andrea Cirino
- Department of Molecular Medicine and Medical Biotechnology, University Federico II School of Medicine, Naples, Italy
- Institute of Genetics and Biophysics, National Research Council, Naples, Italy
| | - Wei Wang
- Center for Developmental Genetics, Department of Biology, New York University, New York, NY, USA
| | - Hansoo Song
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Silvia E Racedo
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Anelisa G Dantas
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA
- Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Lu Zhang
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Chen-Leng Cai
- Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Claudia Angelini
- Institute for Applied Computing, National Research Council, Naples, Italy
| | - Lionel Christiaen
- Center for Developmental Genetics, Department of Biology, New York University, New York, NY, USA
| | - Robert G Kelly
- Aix-Marseille University, CNRS UMR 7288, IBDM, Marseille, France
| | - Antonio Baldini
- Department of Molecular Medicine and Medical Biotechnology, University Federico II School of Medicine, Naples, Italy
- Institute of Genetics and Biophysics, National Research Council, Naples, Italy
| | - Deyou Zheng
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Bernice E Morrow
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA.
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32
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Lescroart F, Dumas CE, Adachi N, Kelly RG. Emergence of heart and branchiomeric muscles in cardiopharyngeal mesoderm. Exp Cell Res 2021; 410:112931. [PMID: 34798131 DOI: 10.1016/j.yexcr.2021.112931] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 09/27/2021] [Accepted: 11/14/2021] [Indexed: 12/17/2022]
Abstract
Branchiomeric muscles of the head and neck originate in a population of cranial mesoderm termed cardiopharyngeal mesoderm that also contains progenitor cells contributing to growth of the embryonic heart. Retrospective lineage analysis has shown that branchiomeric muscles share a clonal origin with parts of the heart, indicating the presence of common heart and head muscle progenitor cells in the early embryo. Genetic lineage tracing and functional studies in the mouse, as well as in Ciona and zebrafish, together with recent experiments using single cell transcriptomics and multipotent stem cells, have provided further support for the existence of bipotent head and heart muscle progenitor cells. Current challenges concern defining where and when such common progenitor cells exist in mammalian embryos and how alternative myogenic derivatives emerge in cardiopharyngeal mesoderm. Addressing these questions will provide insights into mechanisms of cell fate acquisition and the evolution of vertebrate musculature, as well as clinical insights into the origins of muscle restricted myopathies and congenital defects affecting craniofacial and cardiac development.
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Affiliation(s)
| | - Camille E Dumas
- Aix-Marseille Université, CNRS UMR 7288, IBDM, 13009, Marseille, France
| | - Noritaka Adachi
- Aix-Marseille Université, CNRS UMR 7288, IBDM, 13009, Marseille, France
| | - Robert G Kelly
- Aix-Marseille Université, CNRS UMR 7288, IBDM, 13009, Marseille, France.
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33
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Bjorke B, Weller KG, Jones LE, Robinson GE, Vesser M, Chen L, Gage PJ, Gould TW, Mastick GS. Oculomotor nerve guidance and terminal branching requires interactions with differentiating extraocular muscles. Dev Biol 2021; 476:272-281. [PMID: 33905720 PMCID: PMC8284410 DOI: 10.1016/j.ydbio.2021.04.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 04/20/2021] [Accepted: 04/20/2021] [Indexed: 11/25/2022]
Abstract
Muscle function is dependent on innervation by the correct motor nerves. Motor nerves are composed of motor axons which extend through peripheral tissues as a compact bundle, then diverge to create terminal nerve branches to specific muscle targets. As motor nerves approach their targets, they undergo a transition where the fasciculated nerve halts further growth then after a pause, the nerve later initiates branching to muscles. This transition point is potentially an intermediate target or guidepost to present specific cellular and molecular signals for navigation. Here we describe the navigation of the oculomotor nerve and its association with developing muscles in mouse embryos. We found that the oculomotor nerve initially grew to the eye three days prior to the appearance of any extraocular muscles. The oculomotor axons spread to form a plexus within a mass of cells, which included precursors of extraocular muscles and other orbital tissues and expressed the transcription factor Pitx2. The nerve growth paused in the plexus for more than two days, persisting during primary extraocular myogenesis, with a subsequent phase in which the nerve branched out to specific muscles. To test the functional significance of the nerve contact with Pitx2+ cells in the plexus, we used two strategies to genetically ablate Pitx2+ cells or muscle precursors early in nerve development. The first strategy used Myf5-Cre-mediated expression of diphtheria toxin A to ablate muscle precursors, leading to loss of extraocular muscles. The oculomotor axons navigated to the eye to form the main nerve, but subsequently largely failed to initiate terminal branches. The second strategy studied Pitx2 homozygous mutants, which have early apoptosis of Pitx2-expressing precursor cells, including precursors for extraocular muscles and other orbital tissues. Oculomotor nerve fibers also grew to the eye, but failed to stop to form the plexus, instead grew long ectopic projections. These results show that neither Pitx2 function nor Myf5-expressing cells are required for oculomotor nerve navigation to the eye. However, Pitx2 function is required for oculomotor axons to pause growth in the plexus, while Myf5-expressing cells are required for terminal branch initiation.
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Affiliation(s)
- Brielle Bjorke
- Department of Biology, University of Nevada, Reno, NV, 89557, USA
| | | | - Lauren E Jones
- Department of Biology, University of Nevada, Reno, NV, 89557, USA
| | - G Eric Robinson
- Department of Biology, University of Nevada, Reno, NV, 89557, USA
| | - Michelle Vesser
- Department of Biology, University of Nevada, Reno, NV, 89557, USA
| | - Lisheng Chen
- Department of Ophthalmology & Visual Science, University of Michigan Medical School, Ann Arbor, MI, 48105, USA
| | - Philip J Gage
- Department of Ophthalmology & Visual Science, University of Michigan Medical School, Ann Arbor, MI, 48105, USA
| | - Thomas W Gould
- Department of Physiology and Cell Biology, University of Nevada School of Medicine, Reno, United States
| | - Grant S Mastick
- Department of Biology, University of Nevada, Reno, NV, 89557, USA.
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34
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Wang Q, Xu L, Miura J, Saha MK, Uemura Y, Sandell LL, Trainor PA, Yamashiro T, Kurosaka H. Branchiomeric Muscle Development Requires Proper Retinoic Acid Signaling. Front Cell Dev Biol 2021; 9:596838. [PMID: 34307338 PMCID: PMC8299418 DOI: 10.3389/fcell.2021.596838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 05/12/2021] [Indexed: 11/30/2022] Open
Abstract
The first and second branchiomeric (branchial arch) muscles are craniofacial muscles that derive from branchial arch mesoderm. In mammals, this set of muscles is indispensable for jaw movement and facial expression. Defects during embryonic development that result in congenital partial absence of these muscles can have significant impact on patients’ quality of life. However, the detailed molecular and cellular mechanisms that regulate branchiomeric muscle development remains poorly understood. Herein we investigated the role of retinoic acid (RA) signaling in developing branchiomeric muscles using mice as a model. We administered all-trans RA (25 mg/kg body weight) to Institute of Cancer Research (ICR) pregnant mice by gastric intubation from E8.5 to E10.5. In their embryos at E13.5, we found that muscles derived from the first branchial arch (temporalis, masseter) and second branchial arch (frontalis, orbicularis oculi) were severely affected or undetectable, while other craniofacial muscles were hypoplastic. We detected elevated cell death in the branchial arch mesoderm cells in RA-treated embryos, suggesting that excessive RA signaling reduces the survival of precursor cells of branchiomeric muscles, resulting in the development of hypoplastic craniofacial muscles. In order to uncover the signaling pathway(s) underlying this etiology, we focused on Pitx2, Tbx1, and MyoD1, which are critical for cranial muscle development. Noticeably reduced expression of all these genes was detected in the first and second branchial arch of RA-treated embryos. Moreover, elevated RA signaling resulted in a reduction in Dlx5 and Dlx6 expression in cranial neural crest cells (CNCCs), which disturbed their interactions with branchiomeric mesoderm cells. Altogether, we discovered that embryonic craniofacial muscle defects caused by excessive RA signaling were associated with the downregulation of Pitx2, Tbx1, MyoD1, and Dlx5/6, and reduced survival of cranial myogenic precursor cells.
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Affiliation(s)
- Qi Wang
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Osaka University, Suita, Japan.,The Affiliated Stomatology Hospital, Zhejiang University School of Medicine, Hangzhou, China.,Key Laboratory of Oral Biomedical Research of Zhejiang Province, Zhejiang University School of Stomatology, Hangzhou, China
| | - Lin Xu
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Osaka University, Suita, Japan
| | - Jiro Miura
- Division for Interdisciplinary Dentistry, Osaka University Graduate School of Dentistry, Suita, Japan
| | - Mithun Kumar Saha
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Osaka University, Suita, Japan
| | - Yume Uemura
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Osaka University, Suita, Japan
| | - Lisa L Sandell
- Department of Oral Immunology and Infectious Diseases, University of Louisville School of Dentistry, Louisville, KY, United States
| | - Paul A Trainor
- Stowers Institute for Medical Research, Kansas City, MO, United States.,Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, United States
| | - Takashi Yamashiro
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Osaka University, Suita, Japan
| | - Hiroshi Kurosaka
- Department of Orthodontics and Dentofacial Orthopedics, Graduate School of Dentistry, Osaka University, Suita, Japan
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35
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Cheng X, Shi B, Li J. Distinct Embryonic Origin and Injury Response of Resident Stem Cells in Craniofacial Muscles. Front Physiol 2021; 12:690248. [PMID: 34276411 PMCID: PMC8281086 DOI: 10.3389/fphys.2021.690248] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 05/06/2021] [Indexed: 02/05/2023] Open
Abstract
Craniofacial muscles emerge as a developmental novelty during the evolution from invertebrates to vertebrates, facilitating diversified modes of predation, feeding and communication. In contrast to the well-studied limb muscles, knowledge about craniofacial muscle stem cell biology has only recently starts to be gathered. Craniofacial muscles are distinct from their counterparts in other regions in terms of both their embryonic origin and their injury response. Compared with somite-derived limb muscles, pharyngeal arch-derived craniofacial muscles demonstrate delayed myofiber reconstitution and prolonged fibrosis during repair. The regeneration of muscle is orchestrated by a blended source of stem/progenitor cells, including myogenic muscle satellite cells (MuSCs), mesenchymal fibro-adipogenic progenitors (FAPs) and other interstitial progenitors. Limb muscles host MuSCs of the Pax3 lineage, and FAPs from the mesoderm, while craniofacial muscles have MuSCs of the Mesp1 lineage and FAPs from the ectoderm-derived neural crest. Both in vivo and in vitro data revealed distinct patterns of proliferation and differentiation in these craniofacial muscle stem/progenitor cells. Additionally, the proportion of cells of different embryonic origins changes throughout postnatal development in the craniofacial muscles, creating a more dynamic niche environment than in other muscles. In-depth comparative studies of the stem cell biology of craniofacial and limb muscles might inspire the development of novel therapeutics to improve the management of myopathic diseases. Based on the most up-to-date literature, we delineated the pivotal cell populations regulating craniofacial muscle repair and identified clues that might elucidate the distinct embryonic origin and injury response in craniofacial muscle cells.
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Affiliation(s)
- Xu Cheng
- State Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Bing Shi
- State Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jingtao Li
- State Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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36
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Zhang Q, Carlin D, Zhu F, Cattaneo P, Ideker T, Evans SM, Bloomekatz J, Chi NC. Unveiling Complexity and Multipotentiality of Early Heart Fields. Circ Res 2021; 129:474-487. [PMID: 34162224 DOI: 10.1161/circresaha.121.318943] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Qingquan Zhang
- Medicine, Division of Cardiology (Q.Z., D.C., F.Z., P.C., S.M.E., J.B., N.C.C.)
| | - Daniel Carlin
- Medicine, Division of Cardiology (Q.Z., D.C., F.Z., P.C., S.M.E., J.B., N.C.C.)
| | - Fugui Zhu
- Medicine, Division of Cardiology (Q.Z., D.C., F.Z., P.C., S.M.E., J.B., N.C.C.)
| | - Paola Cattaneo
- Medicine, Division of Cardiology (Q.Z., D.C., F.Z., P.C., S.M.E., J.B., N.C.C.)
| | - Trey Ideker
- Medicine, Division of Genetics (T.I.).,Department of Computer Science and Engineering (T.I.).,Department of Bioengineering (T.I.).,Institute of Genomic Medicine (T.I., N.C.C.)
| | - Sylvia M Evans
- Medicine, Division of Cardiology (Q.Z., D.C., F.Z., P.C., S.M.E., J.B., N.C.C.).,Pharmacology, Skaggs School of Pharmacy and Pharmaceutical Sciences (S.M.E.), University of California San Diego, La Jolla, CA
| | - Joshua Bloomekatz
- Medicine, Division of Cardiology (Q.Z., D.C., F.Z., P.C., S.M.E., J.B., N.C.C.).,Now with Department of Biology, University of Mississippi, Oxford, MS (J.B.)
| | - Neil C Chi
- Medicine, Division of Cardiology (Q.Z., D.C., F.Z., P.C., S.M.E., J.B., N.C.C.).,Institute of Genomic Medicine (T.I., N.C.C.)
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37
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Abstract
Congenital heart disease is the most frequent birth defect and the leading cause of death for the fetus and in the first year of life. The wide phenotypic diversity of congenital heart defects requires expert diagnosis and sophisticated repair surgery. Although these defects have been described since the seventeenth century, it was only in 2005 that a consensus international nomenclature was adopted, followed by an international classification in 2017 to help provide better management of patients. Advances in genetic engineering, imaging, and omics analyses have uncovered mechanisms of heart formation and malformation in animal models, but approximately 80% of congenital heart defects have an unknown genetic origin. Here, we summarize current knowledge of congenital structural heart defects, intertwining clinical and fundamental research perspectives, with the aim to foster interdisciplinary collaborations at the cutting edge of each field. We also discuss remaining challenges in better understanding congenital heart defects and providing benefits to patients.
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Affiliation(s)
- Lucile Houyel
- Unité de Cardiologie Pédiatrique et Congénitale and Centre de Référence des Malformations Cardiaques Congénitales Complexes (M3C), Hôpital Necker-Enfants Malades, Assistance Publique-Hôpitaux de Paris (AP-HP), 75015 Paris, France.,Université de Paris, 75015 Paris, France
| | - Sigolène M Meilhac
- Université de Paris, 75015 Paris, France.,Imagine-Institut Pasteur Unit of Heart Morphogenesis, INSERM UMR 1163, 75015 Paris, France;
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38
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Fan X, Loebel DAF, Bildsoe H, Wilkie EE, Qin J, Wang J, Tam PPL. Tissue interactions, cell signaling and transcriptional control in the cranial mesoderm during craniofacial development. AIMS GENETICS 2021. [DOI: 10.3934/genet.2016.1.74] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
AbstractThe cranial neural crest and the cranial mesoderm are the source of tissues from which the bone and cartilage of the skull, face and jaws are constructed. The development of the cranial mesoderm is not well studied, which is inconsistent with its importance in craniofacial morphogenesis as a source of precursor tissue of the chondrocranium, muscles, vasculature and connective tissues, mechanical support for tissue morphogenesis, and the signaling activity that mediate interactions with the cranial neural crest. Phenotypic analysis of conditional knockout mouse mutants, complemented by the transcriptome analysis of differentially enriched genes in the cranial mesoderm and cranial neural crest, have identified signaling pathways that may mediate cross-talk between the two tissues. In the cranial mesenchyme, Bmp4 is expressed in the mesoderm cells while its signaling activity could impact on both the mesoderm and the neural crest cells. In contrast, Fgf8 is predominantly expressed in the cranial neural crest cells and it influences skeletal development and myogenesis in the cranial mesoderm. WNT signaling, which emanates from the cranial neural crest cells, interacts with BMP and FGF signaling in monitoring the switch between tissue progenitor expansion and differentiation. The transcription factor Twist1, a critical molecular regulator of many aspects of craniofacial development, coordinates the activity of the above pathways in cranial mesoderm and cranial neural crest tissue compartments.
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Affiliation(s)
- Xiaochen Fan
- Embryology Unit, Children's Medical Research Institute, Westmead NSW 2145, Australia
| | - David A F Loebel
- Embryology Unit, Children's Medical Research Institute, Westmead NSW 2145, Australia
| | - Heidi Bildsoe
- Embryology Unit, Children's Medical Research Institute, Westmead NSW 2145, Australia
| | - Emilie E Wilkie
- Embryology Unit, Children's Medical Research Institute, Westmead NSW 2145, Australia
- Bioinformatics Group, Children's Medical Research Institute, Westmead NSW 2145, Australia
| | - Jing Qin
- School of Life Sciences, The Chinese University of Hong Kong, Shatin, NT, Hong Kong
| | - Junwen Wang
- Department of Health Sciences Research, Center for Individualized Medicine, Mayo Clinic, and Department of Biomedical Informatics, Arizona State University, Scottsdale AZ 85259, USA
| | - Patrick P L Tam
- Embryology Unit, Children's Medical Research Institute, Westmead NSW 2145, Australia
- School of Medical Sciences, Sydney Medical School, University of Sydney, NSW 2006, Australia
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39
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Peterson JC, Kelder TP, Goumans MJTH, Jongbloed MRM, DeRuiter MC. The Role of Cell Tracing and Fate Mapping Experiments in Cardiac Outflow Tract Development, New Opportunities through Emerging Technologies. J Cardiovasc Dev Dis 2021; 8:47. [PMID: 33925811 PMCID: PMC8146276 DOI: 10.3390/jcdd8050047] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/18/2021] [Accepted: 04/22/2021] [Indexed: 02/07/2023] Open
Abstract
Whilst knowledge regarding the pathophysiology of congenital heart disease (CHDs) has advanced greatly in recent years, the underlying developmental processes affecting the cardiac outflow tract (OFT) such as bicuspid aortic valve, tetralogy of Fallot and transposition of the great arteries remain poorly understood. Common among CHDs affecting the OFT, is a large variation in disease phenotypes. Even though the different cell lineages contributing to OFT development have been studied for many decades, it remains challenging to relate cell lineage dynamics to the morphologic variation observed in OFT pathologies. We postulate that the variation observed in cellular contribution in these congenital heart diseases might be related to underlying cell lineage dynamics of which little is known. We believe this gap in knowledge is mainly the result of technical limitations in experimental methods used for cell lineage analysis. The aim of this review is to provide an overview of historical fate mapping and cell tracing techniques used to study OFT development and introduce emerging technologies which provide new opportunities that will aid our understanding of the cellular dynamics underlying OFT pathology.
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Affiliation(s)
- Joshua C. Peterson
- Department Anatomy & Embryology, Leiden University Medical Center, 2300RC Leiden, The Netherlands; (J.C.P.); (T.P.K.); (M.R.M.J.)
| | - Tim P. Kelder
- Department Anatomy & Embryology, Leiden University Medical Center, 2300RC Leiden, The Netherlands; (J.C.P.); (T.P.K.); (M.R.M.J.)
| | - Marie José T. H. Goumans
- Department Cellular and Chemical Biology, Leiden University Medical Center, 2300RC Leiden, The Netherlands;
| | - Monique R. M. Jongbloed
- Department Anatomy & Embryology, Leiden University Medical Center, 2300RC Leiden, The Netherlands; (J.C.P.); (T.P.K.); (M.R.M.J.)
- Department of Cardiology, Leiden University Medical Center, 2300RC Leiden, The Netherlands
| | - Marco C. DeRuiter
- Department Anatomy & Embryology, Leiden University Medical Center, 2300RC Leiden, The Netherlands; (J.C.P.); (T.P.K.); (M.R.M.J.)
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40
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Yahya I, Al Haj A, Brand-Saberi B, Morosan-Puopolo G. Chicken Second Branchial Arch Progenitor Cells Contribute to Heart Musculature in vitro and in vivo. Cells Tissues Organs 2021; 209:165-176. [PMID: 33423027 DOI: 10.1159/000511686] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 09/15/2020] [Indexed: 11/19/2022] Open
Abstract
In the past, the heart muscle was thought to originate from a single source of myocardial progenitor cells. More recently, however, an additional source of myocardial progenitors has been revealed to be the second heart field, and chicken embryos were important for establishing this concept. However, there have been few studies in chicken on how this field contributes to heart muscles in vitro. We have developed an ex vivo experimental system from chicken embryos between stages HH17-20 to investigate how mesodermal progenitors in the second branchial arch (BA2) differentiate into cardiac muscles. Using this method, we presented evidence that the progenitor cells within the BA2 arch differentiated into beating cardiomyocytes in vitro. The beating explant cells were positive for cardiac actin, Nkx2.5, and ventricular myosin heavy chain. In addition, we performed a time course for the expression of second heart field markers (Isl1 and Nkx2.5) in the BA2 from stage HH16 to stage HH21 using in situ hybridization. Accordingly, using EGFP-based cell labeling techniques and quail-chicken cell injection, we demonstrated that mesodermal cells from the BA2 contributed to the outflow tract and ventricular myocardium in vivo. Thus, our findings highlight the cardiogenic potential of chicken BA2 mesodermal cells in vitro and in vivo.
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Affiliation(s)
- Imadeldin Yahya
- Institute of Anatomy, Department of Anatomy and Molecular Embryology, Ruhr University Bochum, Bochum, Germany.,Department of Anatomy, Faculty of Veterinary Medicine, Khartoum University, Khartoum, Sudan
| | - Abdulatif Al Haj
- Institute of Anatomy, Department of Anatomy and Molecular Embryology, Ruhr University Bochum, Bochum, Germany
| | - Beate Brand-Saberi
- Institute of Anatomy, Department of Anatomy and Molecular Embryology, Ruhr University Bochum, Bochum, Germany
| | - Gabriela Morosan-Puopolo
- Institute of Anatomy, Department of Anatomy and Molecular Embryology, Ruhr University Bochum, Bochum, Germany,
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41
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Yahya I, Morosan-Puopolo G, Brand-Saberi B. The CXCR4/SDF-1 Axis in the Development of Facial Expression and Non-somitic Neck Muscles. Front Cell Dev Biol 2020; 8:615264. [PMID: 33415110 PMCID: PMC7783292 DOI: 10.3389/fcell.2020.615264] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 12/04/2020] [Indexed: 12/26/2022] Open
Abstract
Trunk and head muscles originate from distinct embryonic regions: while the trunk muscles derive from the paraxial mesoderm that becomes segmented into somites, the majority of head muscles develops from the unsegmented cranial paraxial mesoderm. Differences in the molecular control of trunk versus head and neck muscles have been discovered about 25 years ago; interestingly, differences in satellite cell subpopulations were also described more recently. Specifically, the satellite cells of the facial expression muscles share properties with heart muscle. In adult vertebrates, neck muscles span the transition zone between head and trunk. Mastication and facial expression muscles derive from the mesodermal progenitor cells that are located in the first and second branchial arches, respectively. The cucullaris muscle (non-somitic neck muscle) originates from the posterior-most branchial arches. Like other subclasses within the chemokines and chemokine receptors, CXCR4 and SDF-1 play essential roles in the migration of cells within a number of various tissues during development. CXCR4 as receptor together with its ligand SDF-1 have mainly been described to regulate the migration of the trunk muscle progenitor cells. This review first underlines our recent understanding of the development of the facial expression (second arch-derived) muscles, focusing on new insights into the migration event and how this embryonic process is different from the development of mastication (first arch-derived) muscles. Other muscles associated with the head, such as non-somitic neck muscles derived from muscle progenitor cells located in the posterior branchial arches, are also in the focus of this review. Implications on human muscle dystrophies affecting the muscles of face and neck are also discussed.
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Affiliation(s)
- Imadeldin Yahya
- Department of Anatomy and Molecular Embryology, Ruhr University Bochum, Bochum, Germany.,Department of Anatomy, Faculty of Veterinary Medicine, University of Khartoum, Khartoum, Sudan
| | | | - Beate Brand-Saberi
- Department of Anatomy and Molecular Embryology, Ruhr University Bochum, Bochum, Germany
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42
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Transient Nodal Signaling in Left Precursors Coordinates Opposed Asymmetries Shaping the Heart Loop. Dev Cell 2020; 55:413-431.e6. [PMID: 33171097 DOI: 10.1016/j.devcel.2020.10.008] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 07/17/2020] [Accepted: 10/09/2020] [Indexed: 02/06/2023]
Abstract
The secreted factor Nodal, known as a major left determinant, is associated with severe heart defects. Yet, it has been unclear how it regulates asymmetric morphogenesis such as heart looping, which align cardiac chambers to establish the double blood circulation. Here, we report that Nodal is transiently active in precursors of the mouse heart tube poles, before looping. In conditional mutants, we show that Nodal is not required to initiate asymmetric morphogenesis. We provide evidence of a heart-specific random generator of asymmetry that is independent of Nodal. Using 3D quantifications and simulations, we demonstrate that Nodal functions as a bias of this mechanism: it is required to amplify and coordinate opposed left-right asymmetries at the heart tube poles, thus generating a robust helical shape. We identify downstream effectors of Nodal signaling, regulating asymmetries in cell proliferation, differentiation, and extracellular matrix composition. Our study uncovers how Nodal regulates asymmetric organogenesis.
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43
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Bernheim S, Meilhac SM. Mesoderm patterning by a dynamic gradient of retinoic acid signalling. Philos Trans R Soc Lond B Biol Sci 2020; 375:20190556. [PMID: 32829679 PMCID: PMC7482219 DOI: 10.1098/rstb.2019.0556] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/11/2020] [Indexed: 12/15/2022] Open
Abstract
Retinoic acid (RA), derived from vitamin A, is a major teratogen, clinically recognized in 1983. Identification of its natural presence in the embryo and dissection of its molecular mechanism of action became possible in the animal model with the advent of molecular biology, starting with the cloning of its nuclear receptor. In normal development, the dose of RA is tightly controlled to regulate organ formation. Its production depends on enzymes, which have a dynamic expression profile during embryonic development. As a small molecule, it diffuses rapidly and acts as a morphogen. Here, we review advances in deciphering how endogenously produced RA provides positional information to cells. We compare three mesodermal tissues, the limb, the somites and the heart, and discuss how RA signalling regulates antero-posterior and left-right patterning. A common principle is the establishment of its spatio-temporal dynamics by positive and negative feedback mechanisms and by antagonistic signalling by FGF. However, the response is cell-specific, pointing to the existence of cofactors and effectors, which are as yet incompletely characterized. This article is part of a discussion meeting issue 'Contemporary morphogenesis'.
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Affiliation(s)
- Ségolène Bernheim
- Imagine-Institut Pasteur, Laboratory of Heart Morphogenesis, 75015 Paris, France
- INSERM UMR1163, 75015 Paris, France
- Université de Paris, Paris, France
| | - Sigolène M. Meilhac
- Imagine-Institut Pasteur, Laboratory of Heart Morphogenesis, 75015 Paris, France
- INSERM UMR1163, 75015 Paris, France
- Université de Paris, Paris, France
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44
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Swedlund B, Lescroart F. Cardiopharyngeal Progenitor Specification: Multiple Roads to the Heart and Head Muscles. Cold Spring Harb Perspect Biol 2020; 12:a036731. [PMID: 31818856 PMCID: PMC7397823 DOI: 10.1101/cshperspect.a036731] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
During embryonic development, the heart arises from various sources of undifferentiated mesodermal progenitors, with an additional contribution from ectodermal neural crest cells. Mesodermal cardiac progenitors are plastic and multipotent, but are nevertheless specified to a precise heart region and cell type very early during development. Recent findings have defined both this lineage plasticity and early commitment of cardiac progenitors, using a combination of single-cell and population analyses. In this review, we discuss several aspects of cardiac progenitor specification. We discuss their markers, fate potential in vitro and in vivo, early segregation and commitment, and also intrinsic and extrinsic cues regulating lineage restriction from multipotency to a specific cell type of the heart. Finally, we also discuss the subdivisions of the cardiopharyngeal field, and the shared origins of the heart with other mesodermal derivatives, including head and neck muscles.
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Affiliation(s)
- Benjamin Swedlund
- Laboratory of Stem Cells and Cancer, Université Libre de Bruxelles, 1070 Brussels, Belgium
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45
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Abstract
The lateral plate mesoderm (LPM) forms the progenitor cells that constitute the heart and cardiovascular system, blood, kidneys, smooth muscle lineage and limb skeleton in the developing vertebrate embryo. Despite this central role in development and evolution, the LPM remains challenging to study and to delineate, owing to its lineage complexity and lack of a concise genetic definition. Here, we outline the processes that govern LPM specification, organization, its cell fates and the inferred evolutionary trajectories of LPM-derived tissues. Finally, we discuss the development of seemingly disparate organ systems that share a common LPM origin. Summary: The lateral plate mesoderm is the origin of several major cell types and organ systems in the vertebrate body plan. How this mesoderm territory emerges and partitions into its downstream fates provides clues about vertebrate development and evolution.
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Affiliation(s)
- Karin D Prummel
- University of Colorado School of Medicine, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, 12801 E 17th Avenue, Aurora, CO 80045, USA.,Department of Molecular Life Sciences, University of Zürich, Winterthurerstrasse 190, 8057 Zürich, Switzerland
| | - Susan Nieuwenhuize
- University of Colorado School of Medicine, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, 12801 E 17th Avenue, Aurora, CO 80045, USA.,Department of Molecular Life Sciences, University of Zürich, Winterthurerstrasse 190, 8057 Zürich, Switzerland
| | - Christian Mosimann
- University of Colorado School of Medicine, Anschutz Medical Campus, Department of Pediatrics, Section of Developmental Biology, 12801 E 17th Avenue, Aurora, CO 80045, USA .,Department of Molecular Life Sciences, University of Zürich, Winterthurerstrasse 190, 8057 Zürich, Switzerland
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46
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Helmbacher F, Stricker S. Tissue cross talks governing limb muscle development and regeneration. Semin Cell Dev Biol 2020; 104:14-30. [PMID: 32517852 DOI: 10.1016/j.semcdb.2020.05.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 05/07/2020] [Accepted: 05/08/2020] [Indexed: 12/14/2022]
Abstract
For decades, limb development has been a paradigm of three-dimensional patterning. Moreover, as the limb muscles and the other tissues of the limb's musculoskeletal system arise from distinct developmental sources, it has been a prime example of integrative morphogenesis and cross-tissue communication. As the limbs grow, all components of the musculoskeletal system (muscles, tendons, connective tissue, nerves) coordinate their growth and differentiation, ultimately giving rise to a functional unit capable of executing elaborate movement. While the molecular mechanisms governing global three-dimensional patterning and formation of the skeletal structures of the limbs has been a matter of intense research, patterning of the soft tissues is less understood. Here, we review the development of limb muscles with an emphasis on their interaction with other tissue types and the instructive roles these tissues play. Furthermore, we discuss the role of adult correlates of these embryonic accessory tissues in muscle regeneration.
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Affiliation(s)
| | - Sigmar Stricker
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195, Berlin, Germany.
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47
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Vyas B, Nandkishore N, Sambasivan R. Vertebrate cranial mesoderm: developmental trajectory and evolutionary origin. Cell Mol Life Sci 2020; 77:1933-1945. [PMID: 31722070 PMCID: PMC11105048 DOI: 10.1007/s00018-019-03373-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 10/29/2019] [Accepted: 11/05/2019] [Indexed: 02/06/2023]
Abstract
Vertebrate cranial mesoderm is a discrete developmental unit compared to the mesoderm below the developing neck. An extraordinary feature of the cranial mesoderm is that it includes a common progenitor pool contributing to the chambered heart and the craniofacial skeletal muscles. This striking developmental potential and the excitement it generated led to advances in our understanding of cranial mesoderm developmental mechanism. Remarkably, recent findings have begun to unravel the origin of its distinct developmental characteristics. Here, we take a detailed view of the ontogenetic trajectory of cranial mesoderm and its regulatory network. Based on the emerging evidence, we propose that cranial and posterior mesoderm diverge at the earliest step of the process that patterns the mesoderm germ layer along the anterior-posterior body axis. Further, we discuss the latest evidence and their impact on our current understanding of the evolutionary origin of cranial mesoderm. Overall, the review highlights the findings from contemporary research, which lays the foundation to probe the molecular basis of unique developmental potential and evolutionary origin of cranial mesoderm.
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Affiliation(s)
- Bhakti Vyas
- Institute for Stem Cell Biology and Regenerative Medicine, GKVK Campus, Bellary Road, Bengaluru, 560065, India
- Manipal Academy of Higher Education, Manipal, 576104, India
| | - Nitya Nandkishore
- Institute for Stem Cell Biology and Regenerative Medicine, GKVK Campus, Bellary Road, Bengaluru, 560065, India
- SASTRA University, Thirumalaisamudram, Thanjavur, 613401, India
| | - Ramkumar Sambasivan
- Indian Institute of Science Education and Research (IISER) Tirupati, Transit Campus, Karakambadi Road, Rami Reddy Nagar, Mangalam, Tirupati, Andhra Pradesh, 517507, India.
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48
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Kim E, Wu F, Wu X, Choo HJ. Generation of craniofacial myogenic progenitor cells from human induced pluripotent stem cells for skeletal muscle tissue regeneration. Biomaterials 2020; 248:119995. [PMID: 32283390 PMCID: PMC7232788 DOI: 10.1016/j.biomaterials.2020.119995] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 03/13/2020] [Accepted: 03/20/2020] [Indexed: 12/18/2022]
Abstract
Craniofacial skeletal muscle is composed of approximately 60 muscles, which have critical functions including food uptake, eye movements and facial expressions. Although craniofacial muscles have significantly different embryonic origin, most current skeletal muscle differentiation protocols using human induced pluripotent stem cells (iPSCs) are based on somite-derived limb and trunk muscle developmental pathways. Since the lack of a protocol for craniofacial muscles is a significant gap in the iPSC-derived muscle field, we have developed an optimized protocol to generate craniofacial myogenic precursor cells (cMPCs) from human iPSCs by mimicking key signaling pathways during craniofacial embryonic myogenesis. At each different stage, human iPSC-derived cMPCs mirror the transcription factor expression profiles seen in their counterparts during embryo development. After the bi-potential cranial pharyngeal mesoderm is established, cells are committed to cranial skeletal muscle lineages with inhibition of cardiac lineages and are purified by flow cytometry. Furthermore, identities of Ipsc-derived cMPCs are verified with human primary myoblasts from craniofacial muscles using RNA sequencing. These data suggest that our new method could provide not only in vitro research tools to study muscle specificity of muscular dystrophy but also abundant and reliable cellular resources for tissue engineering to support craniofacial reconstruction surgery.
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Affiliation(s)
- Eunhye Kim
- Department of Cell Biology, School of Medcine, Emory University, Atlanta, GA, 30322, USA
| | - Fang Wu
- Department of Cell Biology, School of Medcine, Emory University, Atlanta, GA, 30322, USA
| | - Xuewen Wu
- Department of Otolaryngology-Head and Neck Surgery, School of Medicine, Emory University, Atlanta, GA, 30322, USA; Department of Otolaryngology Head and Neck Surgery, Xiangya Hospital of Central South University, Changsha, Hunan, 410008, China
| | - Hyojung J Choo
- Department of Cell Biology, School of Medcine, Emory University, Atlanta, GA, 30322, USA.
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49
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Cxcr4 and Sdf-1 are critically involved in the formation of facial and non-somitic neck muscles. Sci Rep 2020; 10:5049. [PMID: 32193486 PMCID: PMC7081242 DOI: 10.1038/s41598-020-61960-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 03/05/2020] [Indexed: 01/22/2023] Open
Abstract
The present study shows that the CXCR4/SDF-1 axis regulates the migration of second branchial arch-derived muscles as well as non-somitic neck muscles. Cxcr4 is expressed by skeletal muscle progenitor cells in the second branchial arch (BA2). Muscles derived from the second branchial arch, but not from the first, fail to form in Cxcr4 mutants at embryonic days E13.5 and E14.5. Cxcr4 is also required for the development of non-somitic neck muscles. In Cxcr4 mutants, non-somitic neck muscle development is severely perturbed. In vivo experiments in chicken by means of loss-of-function approach based on the application of beads loaded with the CXCR4 inhibitor AMD3100 into the cranial paraxial mesoderm resulted in decreased expression of Tbx1 in the BA2. Furthermore, disrupting this chemokine signal at a later stage by implanting these beads into the BA2 caused a reduction in MyoR, Myf5 and MyoD expression. In contrast, gain-of-function experiments based on the implantation of SDF-1 beads into BA2 resulted in an attraction of myogenic progenitor cells, which was reflected in an expansion of the expression domain of these myogenic markers towards the SDF-1 source. Thus, Cxcr4 is required for the formation of the BA2 derived muscles and non-somitic neck muscles.
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Adachi N, Bilio M, Baldini A, Kelly RG. Cardiopharyngeal mesoderm origins of musculoskeletal and connective tissues in the mammalian pharynx. Development 2020; 147:147/3/dev185256. [PMID: 32014863 DOI: 10.1242/dev.185256] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 12/16/2019] [Indexed: 12/14/2022]
Abstract
Cardiopharyngeal mesoderm (CPM) gives rise to muscles of the head and heart. Using genetic lineage analysis in mice, we show that CPM develops into a broad range of pharyngeal structures and cell types encompassing musculoskeletal and connective tissues. We demonstrate that CPM contributes to medial pharyngeal skeletal and connective tissues associated with both branchiomeric and somite-derived neck muscles. CPM and neural crest cells (NCC) make complementary mediolateral contributions to pharyngeal structures, in a distribution established in the early embryo. We further show that biallelic expression of the CPM regulatory gene Tbx1, haploinsufficient in 22q11.2 deletion syndrome patients, is required for the correct patterning of muscles with CPM-derived connective tissue. Our results suggest that CPM plays a patterning role during muscle development, similar to that of NCC during craniofacial myogenesis. The broad lineage contributions of CPM to pharyngeal structures provide new insights into congenital disorders and evolution of the mammalian pharynx.
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Affiliation(s)
- Noritaka Adachi
- Aix-Marseille Université, CNRS UMR 7288, IBDM, 13009 Marseille, France
| | - Marchesa Bilio
- CNR Institute of Genetics and Biophysics Adriano Buzzati-Traverso, Via Pietro Castellino 111, 80131 Naples, Italy
| | - Antonio Baldini
- CNR Institute of Genetics and Biophysics Adriano Buzzati-Traverso, Via Pietro Castellino 111, 80131 Naples, Italy.,Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples 80131, Italy
| | - Robert G Kelly
- Aix-Marseille Université, CNRS UMR 7288, IBDM, 13009 Marseille, France
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