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Chea S, Kreger J, Lopez-Burks ME, MacLean AL, Lander AD, Calof AL. Gastrulation-stage gene expression in Nipbl+/- mouse embryos foreshadows the development of syndromic birth defects. SCIENCE ADVANCES 2024; 10:eadl4239. [PMID: 38507484 PMCID: PMC10954218 DOI: 10.1126/sciadv.adl4239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 02/15/2024] [Indexed: 03/22/2024]
Abstract
In animal models, Nipbl deficiency phenocopies gene expression changes and birth defects seen in Cornelia de Lange syndrome, the most common cause of which is Nipbl haploinsufficiency. Previous studies in Nipbl+/- mice suggested that heart development is abnormal as soon as cardiogenic tissue is formed. To investigate this, we performed single-cell RNA sequencing on wild-type and Nipbl+/- mouse embryos at gastrulation and early cardiac crescent stages. Nipbl+/- embryos had fewer mesoderm cells than wild-type and altered proportions of mesodermal cell subpopulations. These findings were associated with underexpression of genes implicated in driving specific mesodermal lineages. In addition, Nanog was found to be overexpressed in all germ layers, and many gene expression changes observed in Nipbl+/- embryos could be attributed to Nanog overexpression. These findings establish a link between Nipbl deficiency, Nanog overexpression, and gene expression dysregulation/lineage misallocation, which ultimately manifest as birth defects in Nipbl+/- animals and Cornelia de Lange syndrome.
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Affiliation(s)
- Stephenson Chea
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA
- Center for Complex Biological Systems, University of California Irvine, Irvine, CA 92697, USA
| | - Jesse Kreger
- Department of Quantitative and Computational Biology, Dornsife College of Letters, Arts, and Sciences, University of Southern California, Los Angeles, CA 90089, USA
| | - Martha E. Lopez-Burks
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA
- Center for Complex Biological Systems, University of California Irvine, Irvine, CA 92697, USA
| | - Adam L. MacLean
- Department of Quantitative and Computational Biology, Dornsife College of Letters, Arts, and Sciences, University of Southern California, Los Angeles, CA 90089, USA
| | - Arthur D. Lander
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA
- Center for Complex Biological Systems, University of California Irvine, Irvine, CA 92697, USA
| | - Anne L. Calof
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA
- Center for Complex Biological Systems, University of California Irvine, Irvine, CA 92697, USA
- Department of Anatomy and Neurobiology, School of Medicine, University of California Irvine, Irvine, CA 92697, USA
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2
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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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3
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Noël ES. Cardiac construction-Recent advances in morphological and transcriptional modeling of early heart development. Curr Top Dev Biol 2024; 156:121-156. [PMID: 38556421 DOI: 10.1016/bs.ctdb.2024.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
During human embryonic development the early establishment of a functional heart is vital to support the growing fetus. However, forming the embryonic heart is an extremely complex process, requiring spatiotemporally controlled cell specification and differentiation, tissue organization, and coordination of cardiac function. These complexities, in concert with the early and rapid development of the embryonic heart, mean that understanding the intricate interplay between these processes that help shape the early heart remains highly challenging. In this review I focus on recent insights from animal models that have shed new light on the earliest stages of heart development. This includes specification and organization of cardiac progenitors, cell and tissue movements that make and shape the early heart tube, and the initiation of the first beat in the developing heart. In addition I highlight relevant in vitro models that could support translation of findings from animal models to human heart development. Finally I discuss challenges that are being addressed in the field, along with future considerations that together may help move us towards a deeper understanding of how our hearts are made.
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Affiliation(s)
- Emily S Noël
- School of Biosciences and Bateson Centre, University of Sheffield, Sheffield, United Kingdom.
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4
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Kelly RG. Molecular Pathways and Animal Models of Tetralogy of Fallot and Double Outlet Right Ventricle. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1441:645-659. [PMID: 38884739 DOI: 10.1007/978-3-031-44087-8_37] [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
Tetralogy of Fallot and double-outlet right ventricle are outflow tract (OFT) alignment defects situated on a continuous disease spectrum. A myriad of upstream causes can impact on ventriculoarterial alignment that can be summarized as defects in either i) OFT elongation during looping morphogenesis or ii) OFT remodeling during cardiac septation. Embryological processes underlying these two developmental steps include deployment of second heart field cardiac progenitor cells, establishment and transmission of embryonic left/right information driving OFT rotation and OFT cushion and valve morphogenesis. The formation and remodeling of pulmonary trunk infundibular myocardium is a critical component of both steps. Defects in myocardial, endocardial, or neural crest cell lineages can result in alignment defects, reflecting the complex intercellular signaling events that coordinate arterial pole development. Importantly, however, OFT alignment is mechanistically distinct from neural crest-driven OFT septation, although neural crest cells impact indirectly on alignment through their role in modulating signaling during SHF development. As yet poorly understood nongenetic causes of alignment defects that impact the above processes include hemodynamic changes, maternal exposure to environmental teratogens, and stochastic events. The heterogeneity of causes converging on alignment defects characterizes the OFT as a hotspot of congenital heart defects.
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Affiliation(s)
- Robert G Kelly
- Aix Marseille Université, Institut de Biologie du Dévelopment de Marseille, Marseille, France.
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5
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Schmidt C, Deyett A, Ilmer T, Haendeler S, Torres Caballero A, Novatchkova M, Netzer MA, Ceci Ginistrelli L, Mancheno Juncosa E, Bhattacharya T, Mujadzic A, Pimpale L, Jahnel SM, Cirigliano M, Reumann D, Tavernini K, Papai N, Hering S, Hofbauer P, Mendjan S. Multi-chamber cardioids unravel human heart development and cardiac defects. Cell 2023; 186:5587-5605.e27. [PMID: 38029745 DOI: 10.1016/j.cell.2023.10.030] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 07/31/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023]
Abstract
The number one cause of human fetal death are defects in heart development. Because the human embryonic heart is inaccessible and the impacts of mutations, drugs, and environmental factors on the specialized functions of different heart compartments are not captured by in vitro models, determining the underlying causes is difficult. Here, we established a human cardioid platform that recapitulates the development of all major embryonic heart compartments, including right and left ventricles, atria, outflow tract, and atrioventricular canal. By leveraging 2D and 3D differentiation, we efficiently generated progenitor subsets with distinct first, anterior, and posterior second heart field identities. This advance enabled the reproducible generation of cardioids with compartment-specific in vivo-like gene expression profiles, morphologies, and functions. We used this platform to unravel the ontogeny of signal and contraction propagation between interacting heart chambers and dissect how mutations, teratogens, and drugs cause compartment-specific defects in the developing human heart.
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Affiliation(s)
- Clara Schmidt
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria; Vienna BioCenter PhD Program, Doctoral School of the University of Vienna, and Medical University of Vienna, 1030 Vienna, Austria
| | - Alison Deyett
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria; Vienna BioCenter PhD Program, Doctoral School of the University of Vienna, and Medical University of Vienna, 1030 Vienna, Austria
| | - Tobias Ilmer
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria; FH Campus Wien, Favoritenstraße 226, 1100 Vienna, Austria
| | - Simon Haendeler
- Center for Integrative Bioinformatics Vienna, Max Perutz Laboratories, University of Vienna, Medical University of Vienna, 1030 Vienna, Austria; Vienna BioCenter PhD Program, Doctoral School of the University of Vienna, and Medical University of Vienna, 1030 Vienna, Austria
| | - Aranxa Torres Caballero
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria
| | - Maria Novatchkova
- Institute of Molecular Pathology (IMP), Campus-Vienna-Biocenter, 1030 Vienna, Austria
| | - Michael A Netzer
- Division of Pharmacology and Toxicology, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
| | - Lavinia Ceci Ginistrelli
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria; Vienna BioCenter PhD Program, Doctoral School of the University of Vienna, and Medical University of Vienna, 1030 Vienna, Austria
| | - Estela Mancheno Juncosa
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria; Vienna BioCenter PhD Program, Doctoral School of the University of Vienna, and Medical University of Vienna, 1030 Vienna, Austria
| | - Tanishta Bhattacharya
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria
| | - Amra Mujadzic
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria
| | - Lokesh Pimpale
- HeartBeat.bio AG, Dr. Bohr Gasse 7, 1030 Vienna, Austria
| | - Stefan M Jahnel
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria
| | - Martina Cirigliano
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria
| | - Daniel Reumann
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria; Vienna BioCenter PhD Program, Doctoral School of the University of Vienna, and Medical University of Vienna, 1030 Vienna, Austria
| | - Katherina Tavernini
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria; Vienna BioCenter PhD Program, Doctoral School of the University of Vienna, and Medical University of Vienna, 1030 Vienna, Austria
| | - Nora Papai
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria; Vienna BioCenter PhD Program, Doctoral School of the University of Vienna, and Medical University of Vienna, 1030 Vienna, Austria
| | - Steffen Hering
- Division of Pharmacology and Toxicology, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria
| | - Pablo Hofbauer
- HeartBeat.bio AG, Dr. Bohr Gasse 7, 1030 Vienna, Austria
| | - Sasha Mendjan
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Dr. Bohr Gasse 3, 1030 Vienna, Austria.
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6
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Vazana-Netzarim R, Elmalem Y, Sofer S, Bruck H, Danino N, Sarig U. Distinct HAND2/HAND2-AS1 Expression Levels May Fine-Tune Mesenchymal and Epithelial Cell Plasticity of Human Mesenchymal Stem Cells. Int J Mol Sci 2023; 24:16546. [PMID: 38003736 PMCID: PMC10672054 DOI: 10.3390/ijms242216546] [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: 09/21/2023] [Revised: 11/09/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
We previously developed several successful decellularization strategies that yielded porcine cardiac extracellular matrices (pcECMs) exhibiting tissue-specific bioactivity and bioinductive capacity when cultured with various pluripotent and multipotent stem cells. Here, we study the tissue-specific effects of the pcECM on seeded human mesenchymal stem cell (hMSC) phenotypes using reverse transcribed quantitative polymerase chain reaction (RT-qPCR) arrays for cardiovascular related gene expression. We further corroborated interesting findings at the protein level (flow cytometry and immunological stains) as well as bioinformatically using several mRNA sequencing and protein databases of normal and pathologic adult and embryonic (organogenesis stage) tissue expression. We discovered that upon the seeding of hMSCs on the pcECM, they displayed a partial mesenchymal-to-epithelial transition (MET) toward endothelial phenotypes (CD31+) and morphologies, which were preceded by an early spike (~Day 3 onward after seeding) in HAND2 expression at both the mRNA and protein levels compared to that in plate controls. The CRISPR-Cas9 knockout (KO) of HAND2 and its associated antisense long non-coding RNA (HAND2-AS1) regulatory region resulted in proliferation arrest, hypertrophy, and senescent-like morphology. Bioinformatic analyses revealed that HAND2 and HAND2-AS1 are highly correlated in expression and are expressed in many different tissue types albeit at distinct yet tightly regulated expression levels. Deviation (downregulation or upregulation) from these basal tissue expression levels is associated with a long list of pathologies. We thus suggest that HAND2 expression levels may possibly fine-tune hMSCs' plasticity through affecting senescence and mesenchymal-to-epithelial transition states, through yet unknown mechanisms. Targeting this pathway may open up a promising new therapeutic approach for a wide range of diseases, including cancer, degenerative disorders, and aging. Nevertheless, further investigation is required to validate these findings and better understand the molecular players involved, potential inducers and inhibitors of this pathway, and eventually potential therapeutic applications.
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Affiliation(s)
- Rachel Vazana-Netzarim
- The Dr. Miriam and Sheldon Adelson School of Medicine, Department of Morphological Sciences and Teratology, Ariel University, Ariel 4070000, Israel; (R.V.-N.); (N.D.)
| | - Yishay Elmalem
- Department of Chemical Engineering, Faculty of Engineering, Ariel University, Ariel 4070000, Israel (S.S.); (H.B.)
| | - Shachar Sofer
- Department of Chemical Engineering, Faculty of Engineering, Ariel University, Ariel 4070000, Israel (S.S.); (H.B.)
| | - Hod Bruck
- Department of Chemical Engineering, Faculty of Engineering, Ariel University, Ariel 4070000, Israel (S.S.); (H.B.)
| | - Naama Danino
- The Dr. Miriam and Sheldon Adelson School of Medicine, Department of Morphological Sciences and Teratology, Ariel University, Ariel 4070000, Israel; (R.V.-N.); (N.D.)
| | - Udi Sarig
- The Dr. Miriam and Sheldon Adelson School of Medicine, Department of Morphological Sciences and Teratology, Ariel University, Ariel 4070000, Israel; (R.V.-N.); (N.D.)
- Department of Chemical Engineering, Faculty of Engineering, Ariel University, Ariel 4070000, Israel (S.S.); (H.B.)
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7
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Dominguez MH, Krup AL, Muncie JM, Bruneau BG. Graded mesoderm assembly governs cell fate and morphogenesis of the early mammalian heart. Cell 2023; 186:479-496.e23. [PMID: 36736300 PMCID: PMC10091855 DOI: 10.1016/j.cell.2023.01.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 11/07/2022] [Accepted: 01/03/2023] [Indexed: 02/05/2023]
Abstract
Using four-dimensional whole-embryo light sheet imaging with improved and accessible computational tools, we longitudinally reconstruct early murine cardiac development at single-cell resolution. Nascent mesoderm progenitors form opposing density and motility gradients, converting the temporal birth sequence of gastrulation into a spatial anterolateral-to-posteromedial arrangement. Migrating precardiac mesoderm does not strictly preserve cellular neighbor relationships, and spatial patterns only become solidified as the cardiac crescent emerges. Progenitors undergo a mesenchymal-to-epithelial transition, with a first heart field (FHF) ridge apposing a motile juxta-cardiac field (JCF). Anchored along the ridge, the FHF epithelium rotates the JCF forward to form the initial heart tube, along with push-pull morphodynamics of the second heart field. In Mesp1 mutants that fail to make a cardiac crescent, mesoderm remains highly motile but directionally incoherent, resulting in density gradient inversion. Our practicable live embryo imaging approach defines spatial origins and behaviors of cardiac progenitors and identifies their unanticipated morphological transitions.
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Affiliation(s)
- Martin H Dominguez
- Gladstone Institutes, San Francisco, CA, USA; Department of Medicine, Division of Cardiology, University of California, San Francisco, San Francisco, CA, USA; Cardiovascular Institute, University of Pennsylvania, Philadelphia, PA, USA.
| | - Alexis Leigh Krup
- Gladstone Institutes, San Francisco, CA, USA; Biomedical Sciences Graduate Program, University of California, San Francisco, San Francisco, CA, USA
| | | | - Benoit G Bruneau
- Gladstone Institutes, San Francisco, CA, USA; Roddenberry Center for Stem Cell Biology and Medicine at Gladstone, San Francisco, CA, USA; Department of Pediatrics, Cardiovascular Research Institute, Institute for Human Genetics, and Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA 94158, USA.
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8
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Olmsted ZT, Paluh JL. A Combined Human Gastruloid Model of Cardiogenesis and Neurogenesis. iScience 2022; 25:104486. [PMID: 35721464 PMCID: PMC9198845 DOI: 10.1016/j.isci.2022.104486] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 03/28/2022] [Accepted: 05/20/2022] [Indexed: 11/28/2022] Open
Abstract
Multi-lineage development from gastruloids is enabling unprecedented opportunities to model and study human embryonic processes and is expected to accelerate ex vivo strategies in organ development. Reproducing human cardiogenesis with neurogenesis in a multi-lineage context remains challenging, requiring spatiotemporal input of paracrine and mechanical cues. Here we extend elongating multi-lineage organized (EMLO) gastruloids to include cardiogenesis (EMLOC) and describe interconnected neuro-cardiac lineages in a single gastruloid model. Contractile EMLOCs recapitulate numerous interlinked developmental features including heart tube formation and specialization, cardiomyocyte differentiation and remodeling phases, epicardium, ventricular wall morphogenesis, chamber-like structures and formation of a putative outflow tract. The EMLOC cardiac region, which originates anterior to gut tube primordium, is progressively populated by neurons in a spatial pattern mirroring the known distribution of neurons in the innervated human heart. This human EMLOC model represents a multi-lineage advancement for the study of coincident neurogenesis and cardiogenesis. A trunk-biased microenvironment primed for cardiogenesis Gastruloid-derived spatiotemporal features of cardiogenesis Neurogenesis coupled with neuronal population of cardiac regions Neuro-cardiac multi-lineage, multi-tissue linked developmental model
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Affiliation(s)
- Zachary T. Olmsted
- State University of New York Polytechnic Institute, College of Nanoscale Science and Engineering, Nanobioscience, Nanofab East, 257 Fuller Road, Albany, NY 12203, USA
| | - Janet L. Paluh
- State University of New York Polytechnic Institute, College of Nanoscale Science and Engineering, Nanobioscience, Nanofab East, 257 Fuller Road, Albany, NY 12203, USA
- Corresponding author
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9
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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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10
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Cortes C, De Bono C, Thellier C, Francou A, Kelly RG. Protocols for Investigating the Epithelial Properties of Cardiac Progenitor Cells in the Mouse Embryo. Methods Mol Biol 2022; 2438:231-250. [PMID: 35147946 DOI: 10.1007/978-1-0716-2035-9_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Epithelial cardiac progenitor cells of the second heart field (SHF) contribute to growth of the vertebrate heart tube by progressive addition of cells from the dorsal pericardial wall to the cardiac poles. Perturbation of SHF development, including defects in apicobasal or planar polarity, results in shortening of the heart tube and a spectrum of congenital heart defects. Here, we provide detailed protocols for fixed section and wholemount immunofluorescence and live imaging approaches to studying the epithelial properties of cardiac progenitors in the dorsal pericardial wall during mouse heart development. Whole-embryo culture and electroporation methods are also presented, allowing for pharmacological and genetic perturbation of SHF development, as well as image analysis approaches to quantify cell features across the progenitor cell epithelium. These protocols are broadly applicable to the study of epithelia in the early embryo.
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Affiliation(s)
- Claudio Cortes
- Aix-Marseille Université, CNRS UMR 7288, IBDM, Marseille, France
| | - Christopher De Bono
- Aix-Marseille Université, CNRS UMR 7288, IBDM, Marseille, France
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY, USA
| | | | - Alexandre Francou
- Aix-Marseille Université, CNRS UMR 7288, IBDM, Marseille, France
- Memorial Sloan Kettering Cancer Center, SKI, Developmental Biology Department, NY, USA
| | - Robert G Kelly
- Aix-Marseille Université, CNRS UMR 7288, IBDM, Marseille, France.
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11
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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: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 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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12
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Jafree DJ, Long DA, Scambler PJ, Ruhrberg C. Mechanisms and cell lineages in lymphatic vascular development. Angiogenesis 2021; 24:271-288. [PMID: 33825109 PMCID: PMC8205918 DOI: 10.1007/s10456-021-09784-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 03/10/2021] [Indexed: 12/20/2022]
Abstract
Lymphatic vessels have critical roles in both health and disease and their study is a rapidly evolving area of vascular biology. The consensus on how the first lymphatic vessels arise in the developing embryo has recently shifted. Originally, they were thought to solely derive by sprouting from veins. Since then, several studies have uncovered novel cellular mechanisms and a diversity of contributing cell lineages in the formation of organ lymphatic vasculature. Here, we review the key mechanisms and cell lineages contributing to lymphatic development, discuss the advantages and limitations of experimental techniques used for their study and highlight remaining knowledge gaps that require urgent attention. Emerging technologies should accelerate our understanding of how lymphatic vessels develop normally and how they contribute to disease.
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Affiliation(s)
- Daniyal J Jafree
- Developmental Biology and Cancer Programme, UCL Great Ormond Street Institute of Child Health, University College London, 30 Guilford Street, London, WC1N 1EH, UK
- Faculty of Medical Sciences, University College London, London, UK
| | - David A Long
- Developmental Biology and Cancer Programme, UCL Great Ormond Street Institute of Child Health, University College London, 30 Guilford Street, London, WC1N 1EH, UK
| | - Peter J Scambler
- Developmental Biology and Cancer Programme, UCL Great Ormond Street Institute of Child Health, University College London, 30 Guilford Street, London, WC1N 1EH, UK
| | - Christiana Ruhrberg
- UCL Institute of Ophthalmology, University College London, 11-43 Bath Street, London, EC1V 9EL, UK.
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13
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Yuan P, Cheedipudi SM, Rouhi L, Fan S, Simon L, Zhao Z, Hong K, Gurha P, Marian AJ. Single-Cell RNA Sequencing Uncovers Paracrine Functions of the Epicardial-Derived Cells in Arrhythmogenic Cardiomyopathy. Circulation 2021; 143:2169-2187. [PMID: 33726497 DOI: 10.1161/circulationaha.120.052928] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
BACKGROUND Arrhythmogenic cardiomyopathy (ACM) manifests with sudden death, arrhythmias, heart failure, apoptosis, and myocardial fibro-adipogenesis. The phenotype typically starts at the epicardium and advances transmurally. Mutations in genes encoding desmosome proteins, including DSP (desmoplakin), are major causes of ACM. METHODS To delineate contributions of the epicardium to the pathogenesis of ACM, the Dsp allele was conditionally deleted in the epicardial cells in mice upon expression of tamoxifen-inducible Cre from the Wt1 locus. Wild type (WT) and Wt1-CreERT2:DspW/F were crossed to Rosa26mT/mG (R26mT/mG) dual reporter mice to tag the epicardial-derived cells with the EGFP (enhanced green fluorescent protein) reporter protein. Tagged epicardial-derived cells from adult Wt1-CreERT2:R26mT/mG and Wt1-CreERT2: R26mT/mG:DspW/F mouse hearts were isolated by fluorescence-activated cell staining and sequenced by single-cell RNA sequencing. RESULTS WT1 (Wilms tumor 1) expression was progressively restricted postnatally and was exclusive to the epicardium by postnatal day 21. Expression of Dsp was reduced in the epicardial cells but not in cardiac myocytes in the Wt1-CreERT2:DspW/F mice. The Wt1-CreERT2:DspW/F mice exhibited premature death, cardiac dysfunction, arrhythmias, myocardial fibro-adipogenesis, and apoptosis. Single-cell RNA sequencing of ≈18 000 EGFP-tagged epicardial-derived cells identified genotype-independent clusters of endothelial cells, fibroblasts, epithelial cells, and a very small cluster of cardiac myocytes, which were confirmed on coimmunofluorescence staining of the myocardial sections. Differentially expressed genes between the paired clusters in the 2 genotypes predicted activation of the inflammatory and mitotic pathways-including the TGFβ1 (transforming growth factor β1) and fibroblast growth factors-in the epicardial-derived fibroblast and epithelial clusters, but predicted their suppression in the endothelial cell cluster. The findings were corroborated by analysis of gene expression in the pooled RNA-sequencing data, which identified predominant dysregulation of genes involved in epithelial-mesenchymal transition, and dysregulation of 146 genes encoding the secreted proteins (secretome), including genes in the TGFβ1 pathway. Activation of the TGFβ1 and its colocalization with fibrosis in the Wt1-CreERT2:R26mT/mG:DspW/F mouse heart was validated by complementary methods. CONCLUSIONS Epicardial-derived cardiac fibroblasts and epithelial cells express paracrine factors, including TGFβ1 and fibroblast growth factors, which mediate epithelial-mesenchymal transition, and contribute to the pathogenesis of myocardial fibrosis, apoptosis, arrhythmias, and cardiac dysfunction in a mouse model of ACM. The findings uncover contributions of the epicardial-derived cells to the pathogenesis of ACM.
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Affiliation(s)
- Ping Yuan
- Center for Cardiovascular Genetics, Institute of Molecular Medicine and Department of Medicine (P.Y., S.M.C., L.R., S.F., P.G., A.J.M.).,Department of Cardiovascular Medicine, Second Affiliated Hospital of Nanchang University, China (P.Y., K.H.)
| | - Sirisha M Cheedipudi
- Center for Cardiovascular Genetics, Institute of Molecular Medicine and Department of Medicine (P.Y., S.M.C., L.R., S.F., P.G., A.J.M.)
| | - Leila Rouhi
- Center for Cardiovascular Genetics, Institute of Molecular Medicine and Department of Medicine (P.Y., S.M.C., L.R., S.F., P.G., A.J.M.)
| | - Siyang Fan
- Center for Cardiovascular Genetics, Institute of Molecular Medicine and Department of Medicine (P.Y., S.M.C., L.R., S.F., P.G., A.J.M.)
| | - Lukas Simon
- Center for Precision Health, School of Biomedical Informatics and School of Public Health, University of Texas Health Science Center at Houston (L.S., Z.Z.)
| | - Zhongming Zhao
- Center for Precision Health, School of Biomedical Informatics and School of Public Health, University of Texas Health Science Center at Houston (L.S., Z.Z.)
| | - Kui Hong
- Department of Cardiovascular Medicine, Second Affiliated Hospital of Nanchang University, China (P.Y., K.H.)
| | - Priyatansh Gurha
- Center for Cardiovascular Genetics, Institute of Molecular Medicine and Department of Medicine (P.Y., S.M.C., L.R., S.F., P.G., A.J.M.)
| | - Ali J Marian
- Center for Cardiovascular Genetics, Institute of Molecular Medicine and Department of Medicine (P.Y., S.M.C., L.R., S.F., P.G., A.J.M.)
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14
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Aigouy B, Cortes C, Liu S, Prud'Homme B. EPySeg: a coding-free solution for automated segmentation of epithelia using deep learning. Development 2020; 147:dev194589. [PMID: 33268451 PMCID: PMC7774881 DOI: 10.1242/dev.194589] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 11/17/2020] [Indexed: 01/09/2023]
Abstract
Epithelia are dynamic tissues that self-remodel during their development. During morphogenesis, the tissue-scale organization of epithelia is obtained through a sum of individual contributions of the cells constituting the tissue. Therefore, understanding any morphogenetic event first requires a thorough segmentation of its constituent cells. This task, however, usually involves extensive manual correction, even with semi-automated tools. Here, we present EPySeg, an open-source, coding-free software that uses deep learning to segment membrane-stained epithelial tissues automatically and very efficiently. EPySeg, which comes with a straightforward graphical user interface, can be used as a Python package on a local computer, or on the cloud via Google Colab for users not equipped with deep-learning compatible hardware. By substantially reducing human input in image segmentation, EPySeg accelerates and improves the characterization of epithelial tissues for all developmental biologists.
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Affiliation(s)
- Benoit Aigouy
- Aix Marseille University, CNRS, IBDM, 13288 Marseille, France
| | - Claudio Cortes
- Aix Marseille University, CNRS, IBDM, 13288 Marseille, France
| | - Shanda Liu
- Max Planck Institute for Plant Breeding Research, 50829 Köln, Germany
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15
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Christ A, Marczenke M, Willnow TE. LRP2 controls sonic hedgehog-dependent differentiation of cardiac progenitor cells during outflow tract formation. Hum Mol Genet 2020; 29:3183-3196. [PMID: 32901292 PMCID: PMC7689296 DOI: 10.1093/hmg/ddaa200] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/21/2020] [Accepted: 08/24/2020] [Indexed: 12/15/2022] Open
Abstract
Conotruncal malformations are a major cause of congenital heart defects in newborn infants. Recently, genetic screens in humans and in mouse models have identified mutations in LRP2, a multi-ligand receptor, as a novel cause of a common arterial trunk, a severe form of outflow tract (OFT) defect. Yet, the underlying mechanism why the morphogen receptor LRP2 is essential for OFT development remained unexplained. Studying LRP2-deficient mouse models, we now show that LRP2 is expressed in the cardiac progenitor niche of the anterior second heart field (SHF) that contributes to the elongation of the OFT during separation into aorta and pulmonary trunk. Loss of LRP2 in mutant mice results in the depletion of a pool of sonic hedgehog-dependent progenitor cells in the anterior SHF due to premature differentiation into cardiomyocytes as they migrate into the OFT myocardium. Depletion of this cardiac progenitor cell pool results in aberrant shortening of the OFT, the likely cause of CAT formation in affected mice. Our findings identified the molecular mechanism whereby LRP2 controls the maintenance of progenitor cell fate in the anterior SHF essential for OFT separation, and why receptor dysfunction is a novel cause of conotruncal malformation.
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Affiliation(s)
- Annabel Christ
- Max-Delbrueck-Center for Molecular Medicine, 13125 Berlin, Germany
| | - Maike Marczenke
- Max-Delbrueck-Center for Molecular Medicine, 13125 Berlin, Germany
| | - Thomas E Willnow
- Max-Delbrueck-Center for Molecular Medicine, 13125 Berlin, Germany
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16
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Rossi G, Broguiere N, Miyamoto M, Boni A, Guiet R, Girgin M, Kelly RG, Kwon C, Lutolf MP. Capturing Cardiogenesis in Gastruloids. Cell Stem Cell 2020; 28:230-240.e6. [PMID: 33176168 DOI: 10.1016/j.stem.2020.10.013] [Citation(s) in RCA: 136] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 08/21/2020] [Accepted: 10/19/2020] [Indexed: 02/08/2023]
Abstract
Organoids are powerful models for studying tissue development, physiology, and disease. However, current culture systems disrupt the inductive tissue-tissue interactions needed for the complex morphogenetic processes of native organogenesis. Here, we show that mouse embryonic stem cells (mESCs) can be coaxed to robustly undergo fundamental steps of early heart organogenesis with an in-vivo-like spatiotemporal fidelity. These axially patterned embryonic organoids (gastruloids) mimic embryonic development and support the generation of cardiovascular progenitors, including first and second heart fields. The cardiac progenitors self-organize into an anterior domain reminiscent of a cardiac crescent before forming a beating cardiac tissue near a putative primitive gut-like tube, from which it is separated by an endocardial-like layer. These findings unveil the surprising morphogenetic potential of mESCs to execute key aspects of organogenesis through the coordinated development of multiple tissues. This platform could be an excellent tool for studying heart development in unprecedented detail and throughput.
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Affiliation(s)
- Giuliana Rossi
- Laboratory of Stem Cell Bioengineering, Institute of Bioengineering, School of Life Sciences and School of Engineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, 1015 Vaud, Switzerland
| | - Nicolas Broguiere
- Laboratory of Stem Cell Bioengineering, Institute of Bioengineering, School of Life Sciences and School of Engineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, 1015 Vaud, Switzerland
| | - Matthew Miyamoto
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Cellular and Molecular Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Andrea Boni
- Viventis Microscopy Sàrl, EPFL Innovation Park, Building C, Lausanne, 1015 Vaud, Switzerland
| | - Romain Guiet
- Faculté des Sciences de la Vie, Bioimaging and Optics Platform, École Polytechnique Fédérale de Lausanne (EPFL), Bâtiment AI, Station 15, Lausanne, 1015 Vaud, Switzerland
| | - Mehmet Girgin
- Laboratory of Stem Cell Bioengineering, Institute of Bioengineering, School of Life Sciences and School of Engineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, 1015 Vaud, Switzerland
| | - Robert G Kelly
- Aix-Marseille Université, CNRS UMR 7288, IBDM, Marseille, France
| | - Chulan Kwon
- Division of Cardiology, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; Cellular and Molecular Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Matthias P Lutolf
- Laboratory of Stem Cell Bioengineering, Institute of Bioengineering, School of Life Sciences and School of Engineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, 1015 Vaud, Switzerland; Institute of Chemical Sciences and Engineering, School of Basic Science, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, 1015 Vaud, Switzerland.
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17
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Martucciello S, Turturo MG, Bilio M, Cioffi S, Chen L, Baldini A, Illingworth E. A dual role for Tbx1 in cardiac lymphangiogenesis through genetic interaction with Vegfr3. FASEB J 2020; 34:15062-15079. [PMID: 32951265 DOI: 10.1096/fj.201902202r] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 08/11/2020] [Accepted: 08/31/2020] [Indexed: 12/15/2022]
Abstract
The transcription factor TBX1 is the major gene implicated in 22q11.2 deletion syndrome (22q11.2DS). The complex clinical phenotype includes vascular anomalies and a recent report presented new cases of primary lymphedema in 22q11.2DS patients. We have previously shown that TBX1 is required for systemic lymphatic vessel development in prenatal mice and it is critical for their survival postnatally. Using loss-of-function genetics and transgenesis in the mouse, we show here a strong genetic interaction between Tbx1 and Vegfr3 in cardiac lymphangiogenesis. Intriguingly, we found that different aspects of the cardiac lymphatic phenotype in Tbx1-Vegfr3 compound heterozygotes were regulated independently by the two genes, with Tbx1 primarily regulating vessel numbers and Vegfr3 vessel morphology. Consistent with this observation, Tbx1Cre -activated expression of a Vegfr3 transgene rescued partially the cardiac lymphatic abnormalities in compound heterozygotes. Through time-controlled genetic experiments, we show that Tbx1 is activated and required in cardiac lymphatic endothelial cell (LEC) progenitors between E10.5 and E11.5. Furthermore, we found that it is also required later in development for the growth of the cardiac lymphatics. Finally, our study revealed a differential sensitivity between ventral and dorsal cardiac lymphatics to the effects of altered Tbx1 and Vegfr3 gene dosage, and we show that this likely results from an earlier requirement for Tbx1 in ventral cardiac LEC progenitors.
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Affiliation(s)
- Stefania Martucciello
- IRCCS Neuromed, Pozzilli, Italy.,Department of Chemistry and Biology, University of Salerno, Fisciano, Italy
| | | | - Marchesa Bilio
- Institute of Genetics and Biophysics "ABT", CNR, Naples, Italy
| | - Sara Cioffi
- Institute of Genetics and Biophysics "ABT", CNR, Naples, Italy
| | - Li Chen
- Department of Biology and Biochemistry, University of Houston, Houston, TX, USA
| | - Antonio Baldini
- Institute of Genetics and Biophysics "ABT", CNR, Naples, Italy.,Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
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18
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Stefanovic S, Laforest B, Desvignes JP, Lescroart F, Argiro L, Maurel-Zaffran C, Salgado D, Plaindoux E, De Bono C, Pazur K, Théveniau-Ruissy M, Béroud C, Puceat M, Gavalas A, Kelly RG, Zaffran S. Hox-dependent coordination of mouse cardiac progenitor cell patterning and differentiation. eLife 2020; 9:55124. [PMID: 32804075 PMCID: PMC7462617 DOI: 10.7554/elife.55124] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 08/16/2020] [Indexed: 12/15/2022] Open
Abstract
Perturbation of addition of second heart field (SHF) cardiac progenitor cells to the poles of the heart tube results in congenital heart defects (CHD). The transcriptional programs and upstream regulatory events operating in different subpopulations of the SHF remain unclear. Here, we profile the transcriptome and chromatin accessibility of anterior and posterior SHF sub-populations at genome-wide levels and demonstrate that Hoxb1 negatively regulates differentiation in the posterior SHF. Spatial mis-expression of Hoxb1 in the anterior SHF results in hypoplastic right ventricle. Activation of Hoxb1 in embryonic stem cells arrests cardiac differentiation, whereas Hoxb1-deficient mouse embryos display premature cardiac differentiation. Moreover, ectopic differentiation in the posterior SHF of embryos lacking both Hoxb1 and its paralog Hoxa1 results in atrioventricular septal defects. Our results show that Hoxb1 plays a key role in patterning cardiac progenitor cells that contribute to both cardiac poles and provide new insights into the pathogenesis of CHD.
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Affiliation(s)
- Sonia Stefanovic
- Aix Marseille Univ, INSERM, Marseille Medical Genetics, Marseille, France
| | - Brigitte Laforest
- Aix Marseille Univ, INSERM, Marseille Medical Genetics, Marseille, France
| | | | - Fabienne Lescroart
- Aix Marseille Univ, INSERM, Marseille Medical Genetics, Marseille, France
| | - Laurent Argiro
- Aix Marseille Univ, INSERM, Marseille Medical Genetics, Marseille, France
| | | | - David Salgado
- Aix Marseille Univ, INSERM, Marseille Medical Genetics, Marseille, France
| | - Elise Plaindoux
- Aix Marseille Univ, INSERM, Marseille Medical Genetics, Marseille, France
| | | | - Kristijan Pazur
- Paul Langerhans Institute Dresden (PLID) of Helmholtz Center Munich at the University Clinic Carl Gustave Carus of TU Dresden, Helmoholtz Zentrum München, German Center for Diabetes Research (DZD), Dresden, Germany
| | - Magali Théveniau-Ruissy
- Aix Marseille Univ, INSERM, Marseille Medical Genetics, Marseille, France.,Aix Marseille Univ, CNRS UMR7288, IBDM, Marseille, France
| | - Christophe Béroud
- Aix Marseille Univ, INSERM, Marseille Medical Genetics, Marseille, France
| | - Michel Puceat
- Aix Marseille Univ, INSERM, Marseille Medical Genetics, Marseille, France
| | - Anthony Gavalas
- Paul Langerhans Institute Dresden (PLID) of Helmholtz Center Munich at the University Clinic Carl Gustave Carus of TU Dresden, Helmoholtz Zentrum München, German Center for Diabetes Research (DZD), Dresden, Germany
| | - Robert G Kelly
- Aix Marseille Univ, CNRS UMR7288, IBDM, Marseille, France
| | - Stephane Zaffran
- Aix Marseille Univ, INSERM, Marseille Medical Genetics, Marseille, France
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19
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Sidhwani P, Leerberg DM, Boezio GLM, Capasso TL, Yang H, Chi NC, Roman BL, Stainier DYR, Yelon D. Cardiac function modulates endocardial cell dynamics to shape the cardiac outflow tract. Development 2020; 147:dev185900. [PMID: 32439760 PMCID: PMC7328156 DOI: 10.1242/dev.185900] [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: 10/27/2019] [Accepted: 04/27/2020] [Indexed: 01/06/2023]
Abstract
Physical forces are important participants in the cellular dynamics that shape developing organs. During heart formation, for example, contractility and blood flow generate biomechanical cues that influence patterns of cell behavior. Here, we address the interplay between function and form during the assembly of the cardiac outflow tract (OFT), a crucial connection between the heart and vasculature that develops while circulation is under way. In zebrafish, we find that the OFT expands via accrual of both endocardial and myocardial cells. However, when cardiac function is disrupted, OFT endocardial growth ceases, accompanied by reduced proliferation and reduced addition of cells from adjacent vessels. The flow-responsive TGFβ receptor Acvrl1 is required for addition of endocardial cells, but not for their proliferation, indicating distinct modes of function-dependent regulation for each of these essential cell behaviors. Together, our results indicate that cardiac function modulates OFT morphogenesis by triggering endocardial cell accumulation that induces OFT lumen expansion and shapes OFT dimensions. Moreover, these morphogenetic mechanisms provide new perspectives regarding the potential causes of cardiac birth defects.
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Affiliation(s)
- Pragya Sidhwani
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Dena M Leerberg
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093, USA
| | - Giulia L M Boezio
- Max Planck Institute for Heart and Lung Research, Department of Developmental Genetics, 61231 Bad Nauheim, Germany
| | - Teresa L Capasso
- Department of Human Genetics, Graduate School of Public Health, and Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Hongbo Yang
- Division of Cardiovascular Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA 92093, USA
| | - Neil C Chi
- Division of Cardiovascular Medicine, Department of Medicine, University of California, San Diego, La Jolla, CA 92093, USA
| | - Beth L Roman
- Department of Human Genetics, Graduate School of Public Health, and Heart, Lung, Blood and Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Didier Y R Stainier
- Max Planck Institute for Heart and Lung Research, Department of Developmental Genetics, 61231 Bad Nauheim, Germany
| | - Deborah Yelon
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA 92093, USA
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20
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Yelon D. Commentary on "The precardiac areas and formation of the tubular heart in the chick embryo" by Stalsberg and DeHaan, 1969. Dev Biol 2019; 456:105-137. [PMID: 31779780 DOI: 10.1016/j.ydbio.2019.10.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Deborah Yelon
- Division of Biological Sciences, University of California, San Diego, La Jolla, CA, 92093, USA.
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21
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Li D, Angermeier A, Wang J. Planar cell polarity signaling regulates polarized second heart field morphogenesis to promote both arterial and venous pole septation. Development 2019; 146:dev181719. [PMID: 31488563 PMCID: PMC6826042 DOI: 10.1242/dev.181719] [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: 06/18/2019] [Accepted: 08/23/2019] [Indexed: 12/19/2022]
Abstract
The second heart field (SHF) harbors progenitors that are important for heart formation, but little is known about its morphogenesis. We show that SHF population in the mouse splanchnic mesoderm (SpM-SHF) undergoes polarized morphogenesis to preferentially elongate anteroposteriorly. Loss of Wnt5, a putative ligand of the planar cell polarity (PCP) pathway, causes the SpM-SHF to expand isotropically. Temporal tracking reveals that the Wnt5a lineage is a unique subpopulation specified as early as E7.5, and undergoes bi-directional deployment to form specifically the pulmonary trunk and the dorsal mesenchymal protrusion (DMP). In Wnt5a-/- mutants, Wnt5a lineage fails to extend into the arterial and venous poles, leading to both outflow tract and atrial septation defects that can be rescued by an activated form of PCP effector Daam1. We identify oriented actomyosin cables in the medial SpM-SHF as a potential Wnt5a-mediated mechanism that promotes SpM-SHF lengthening and restricts its widening. Finally, the Wnt5a lineage also contributes to the pulmonary mesenchyme, suggesting that Wnt5a/PCP is a molecular circuit recruited by the recently identified cardiopulmonary progenitors to coordinate morphogenesis of the pulmonary airways and the cardiac septations necessary for pulmonary circulation.This article has an associated 'The people behind the papers' interview.
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Affiliation(s)
- Ding Li
- Department of Cell, Developmental and Integrative Biology, School of Medicine, University of Alabama at Birmingham, Birmingham, AL 35226, USA
| | - Allyson Angermeier
- Department of Cell, Developmental and Integrative Biology, School of Medicine, University of Alabama at Birmingham, Birmingham, AL 35226, USA
| | - Jianbo Wang
- Department of Cell, Developmental and Integrative Biology, School of Medicine, University of Alabama at Birmingham, Birmingham, AL 35226, USA
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22
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Abstract
The function of the mammalian heart depends on the interplay between different cardiac cell types. The deployment of these cells, with precise spatiotemporal regulation, is also important during development to establish the heart structure. In this Review, we discuss the diverse origins of cardiac cell types and the lineage relationships between cells of a given type that contribute to different parts of the heart. The emerging lineage tree shows the progression of cell fate diversification, with patterning cues preceding cell type segregation, as well as points of convergence, with overlapping lineages contributing to a given tissue. Several cell lineage markers have been identified. However, caution is required with genetic-tracing experiments in comparison with clonal analyses. Genetic studies on cell populations provided insights into the mechanisms for lineage decisions. In the past 3 years, results of single-cell transcriptomics are beginning to reveal cell heterogeneity and early developmental trajectories. Equating this information with the in vivo location of cells and their lineage history is a current challenge. Characterization of the progenitor cells that form the heart and of the gene regulatory networks that control their deployment is of major importance for understanding the origin of congenital heart malformations and for producing cardiac tissue for use in regenerative medicine.
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23
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Xiong H, Luo Y, Yue Y, Zhang J, Ai S, Li X, Wang X, Zhang YL, Wei Y, Li HH, Hu X, Li C, He A. Single-Cell Transcriptomics Reveals Chemotaxis-Mediated Intraorgan Crosstalk During Cardiogenesis. Circ Res 2019; 125:398-410. [PMID: 31221018 DOI: 10.1161/circresaha.119.315243] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
RATIONALE We hypothesized that the differentiation processes of cardiac progenitor cell (CP) from first and second heart fields (FHF and SHF) may undergo the unique instructive gene regulatory networks or signaling pathways, and the precise SHF progression is contingent on the FHF signaling developmental cues. OBJECTIVE We investigated how the intraorgan communications control sequential building of discrete anatomic regions of the heart at single-cell resolution. METHODS AND RESULTS By single-cell transcriptomic analysis of Nkx2-5 (NK2 homeobox 5) and Isl1 (ISL LIM homeobox 1) lineages at embryonic day 7.75, embryonic day 8.25, embryonic day 8.75, and embryonic day 9.25, we present a panoramic view of distinct CP differentiation hierarchies. Computational identifications of FHF- and SHF-CP descendants revealed that SHF differentiation toward cardiomyocytes underwent numerous step-like transitions, whereas earlier FHF progressed toward cardiomyocytes in a wave-like manner. Importantly, single-cell pairing analysis demonstrated that SHF-CPs were attracted to and expanded FHF-populated heart tube region through interlineage communications mediated by the chemotactic guidance (MIF [macrophage migration inhibitory factor]-CXCR2 [C-X-C motif chemokine receptor 2]). This finding was verified by pharmacological blockade of this chemotaxis in embryos manifesting limited SHF cell migration and contribution to the growth of the outflow tract and right ventricle but undetectable effects on the left ventricle or heart tube initiation. Genetic loss-of-function assay of Cxcr2 showed that the expression domain of CXCR4 was expanded predominantly at SHF. Furthermore, double knockout of Cxcr2/Cxcr4 exhibited defective SHF development, corroborating the redundant function. Mechanistically, NKX2-5 directly bound the Cxcr2 and Cxcr4 genomic loci and activated their transcription in SHF. CONCLUSIONS Collectively, we propose a model in which the chemotaxis-mediated intraorgan crosstalk spatiotemporally guides the successive process of positioning SHF-CP and promoting primary heart expansion and patterning upon FHF-derived heart tube initiation.
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Affiliation(s)
- Haiqing Xiong
- From the Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine (H.X., Y.L., Y.Y., J.Z., S.A., X.L., X.W., X.H., A.H.), Peking University, China.,Peking-Tsinghua Center for Life Sciences (H.X., Y.L., A.H.), Peking University, China.,Academy for Advanced Interdisciplinary Studies (H.X., Y.L.), Peking University, China
| | - Yingjie Luo
- From the Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine (H.X., Y.L., Y.Y., J.Z., S.A., X.L., X.W., X.H., A.H.), Peking University, China.,Peking-Tsinghua Center for Life Sciences (H.X., Y.L., A.H.), Peking University, China.,Academy for Advanced Interdisciplinary Studies (H.X., Y.L.), Peking University, China
| | - Yanzhu Yue
- From the Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine (H.X., Y.L., Y.Y., J.Z., S.A., X.L., X.W., X.H., A.H.), Peking University, China
| | - Jiejie Zhang
- From the Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine (H.X., Y.L., Y.Y., J.Z., S.A., X.L., X.W., X.H., A.H.), Peking University, China
| | - Shanshan Ai
- From the Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine (H.X., Y.L., Y.Y., J.Z., S.A., X.L., X.W., X.H., A.H.), Peking University, China
| | - Xin Li
- From the Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine (H.X., Y.L., Y.Y., J.Z., S.A., X.L., X.W., X.H., A.H.), Peking University, China
| | - Xuelian Wang
- From the Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine (H.X., Y.L., Y.Y., J.Z., S.A., X.L., X.W., X.H., A.H.), Peking University, China
| | - Yun-Long Zhang
- Department of Cardiology, Institute of Cardiovascular Diseases, First Affiliated Hospital of Dalian Medical University, China (Y.-L.Z., H.-H.L.)
| | - Yusheng Wei
- School of Life Sciences (Y.W., C.L.), Peking University, China
| | - Hui-Hua Li
- Department of Cardiology, Institute of Cardiovascular Diseases, First Affiliated Hospital of Dalian Medical University, China (Y.-L.Z., H.-H.L.)
| | - Xinli Hu
- From the Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine (H.X., Y.L., Y.Y., J.Z., S.A., X.L., X.W., X.H., A.H.), Peking University, China
| | - Cheng Li
- School of Life Sciences (Y.W., C.L.), Peking University, China.,Center for Statistical Science, Center for Bioinformatics (C.L.), Peking University, China
| | - Aibin He
- From the Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine (H.X., Y.L., Y.Y., J.Z., S.A., X.L., X.W., X.H., A.H.), Peking University, China.,Peking-Tsinghua Center for Life Sciences (H.X., Y.L., A.H.), Peking University, China
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24
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Poelmann RE, Gittenberger-de Groot AC. Development and evolution of the metazoan heart. Dev Dyn 2019; 248:634-656. [PMID: 31063648 PMCID: PMC6767493 DOI: 10.1002/dvdy.45] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 04/25/2019] [Accepted: 04/29/2019] [Indexed: 12/19/2022] Open
Abstract
The mechanisms of the evolution and development of the heart in metazoans are highlighted, starting with the evolutionary origin of the contractile cell, supposedly the precursor of cardiomyocytes. The last eukaryotic common ancestor is likely a combination of several cellular organisms containing their specific metabolic pathways and genetic signaling networks. During evolution, these tool kits diversified. Shared parts of these conserved tool kits act in the development and functioning of pumping hearts and open or closed circulations in such diverse species as arthropods, mollusks, and chordates. The genetic tool kits became more complex by gene duplications, addition of epigenetic modifications, influence of environmental factors, incorporation of viral genomes, cardiac changes necessitated by air‐breathing, and many others. We evaluate mechanisms involved in mollusks in the formation of three separate hearts and in arthropods in the formation of a tubular heart. A tubular heart is also present in embryonic stages of chordates, providing the septated four‐chambered heart, in birds and mammals passing through stages with first and second heart fields. The four‐chambered heart permits the formation of high‐pressure systemic and low‐pressure pulmonary circulation in birds and mammals, allowing for high metabolic rates and maintenance of body temperature. Crocodiles also have a (nearly) separated circulation, but their resting temperature conforms with the environment. We argue that endothermic ancestors lost the capacity to elevate their body temperature during evolution, resulting in ectothermic modern crocodilians. Finally, a clinically relevant paragraph reviews the occurrence of congenital cardiac malformations in humans as derailments of signaling pathways during embryonic development. The cardiac regulatory toolkit contains many factors including epigenetic, genetic, viral, hemodynamic, and environmental factors, but also transcriptional activators, repressors, duplicated genes, redundancies and dose‐dependancies. Numerous toolkits regulate mechanisms including cell‐cell interactions, EMT, mitosis patterns, cell migration and differentiation and left/right sidedness involved in the development of endocardial cushions, looping, septum complexes, pharyngeal arch arteries, chamber and valve formation and conduction system. Evolutionary development of the yolk sac circulation likely preceded the advent of endothermy in amniotes. Parallel evolutionary traits regulate the development of contractile pumps in various taxa often in conjunction with the gut, lungs and excretory organs.
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Affiliation(s)
- Robert E Poelmann
- Institute of Biology, Department of Animal Sciences and Health, Leiden University, Leiden, The Netherlands.,Department of Cardiology, Leiden University Medical Center, Leiden, The Netherlands
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25
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Alfano D, Altomonte A, Cortes C, Bilio M, Kelly RG, Baldini A. Tbx1 regulates extracellular matrix-cell interactions in the second heart field. Hum Mol Genet 2019; 28:2295-2308. [DOI: 10.1093/hmg/ddz058] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 03/14/2019] [Accepted: 03/14/2019] [Indexed: 12/31/2022] Open
Abstract
Abstract
Tbx1, the major candidate gene for DiGeorge or 22q11.2 deletion syndrome, is required for efficient incorporation of cardiac progenitors of the second heart field (SHF) into the heart. However, the mechanisms by which TBX1 regulates this process are still unclear. Here, we have used two independent models, mouse embryos and cultured cells, to define the role of TBX1 in establishing morphological and dynamic characteristics of SHF in the mouse. We found that loss of TBX1 impairs extracellular matrix (ECM)-integrin-focal adhesion (FA) signaling in both models. Mosaic analysis in embryos suggested that this function is non-cell autonomous, and, in cultured cells, loss of TBX1 impairs cell migration and FAs. Additionally, we found that ECM-mediated integrin signaling is disrupted upon loss of TBX1. Finally, we show that interfering with the ECM-integrin-FA axis between E8.5 and E9.5 in mouse embryos, corresponding to the time window within which TBX1 is required in the SHF, causes outflow tract dysmorphogenesis. Our results demonstrate that TBX1 is required to maintain the integrity of ECM-cell interactions in the SHF and that this interaction is critical for cardiac outflow tract development. More broadly, our data identifies a novel TBX1 downstream pathway as an important player in SHF tissue architecture and cardiac morphogenesis.
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Affiliation(s)
- Daniela Alfano
- CNR–Institute of Genetics and Biophysics Adriano Buzzati-Traverso, Via Pietro Castellino, Naples, Italy
| | - Alessandra Altomonte
- CNR–Institute of Genetics and Biophysics Adriano Buzzati-Traverso, Via Pietro Castellino, Naples, Italy
| | - Claudio Cortes
- Aix-Marseille Université, CNRS UMR, IBDM, Marseille, France
| | - Marchesa Bilio
- CNR–Institute of Genetics and Biophysics Adriano Buzzati-Traverso, Via Pietro Castellino, Naples, Italy
| | - Robert G Kelly
- Aix-Marseille Université, CNRS UMR, IBDM, Marseille, France
| | - Antonio Baldini
- CNR–Institute of Genetics and Biophysics Adriano Buzzati-Traverso, Via Pietro Castellino, Naples, Italy
- Department of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, Naples, Italy
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26
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Xia M, Luo W, Jin H, Yang Z. HAND2-mediated epithelial maintenance and integrity in cardiac outflow tract morphogenesis. Development 2019; 146:dev.177477. [PMID: 31201155 DOI: 10.1242/dev.177477] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 06/03/2019] [Indexed: 01/06/2023]
Abstract
During embryogenesis, epithelial organization is the prerequisite for organogenesis, in particular, for establishing the tubular structure. Recent studies provided hints about epithelial formation in early heart development, which has not been systemically explored. Here, we revealed a gradient of HAND2 protein in the cardiac progenitors in the anterior dorsal pericardial wall (aDPW) and adjacent transition zone (TZ) in the outflow tract (OFT). Deletion of Hand2 caused cell arrest and accumulation in the TZ leading to defective morphogenesis. While apicobasal cell polarity was unaffected, the key epithelial elements of adherens junction and cell-matrix adhesion were disrupted in the TZ of Hand2 mutant mice, indicating poorly formed epithelium. RNA-seq analysis revealed altered regulation of the contractile fiber and actin cytoskeleton, which affected cardiomyocyte differentiation. Furthermore, we have identified Stars as being transcriptionally controlled by HAND2. STARS facilitates actin polymerization that is essential for anchoring the adhesive molecules to create cell adhesion. Thus, we have uncovered a new function of HAND2 in mediating epithelial maintenance and integrity in OFT morphogenesis. Meanwhile, this study provides insights to understanding cardiac progenitor contribution to OFT development.
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Affiliation(s)
- Meng Xia
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Cardiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School and MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing University, Nanjing 210061, China
| | - Wen Luo
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Cardiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School and MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing University, Nanjing 210061, China
| | - Hengwei Jin
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Cardiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School and MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing University, Nanjing 210061, China
| | - Zhongzhou Yang
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Cardiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School and MOE Key Laboratory of Model Animal for Disease Study, Model Animal Research Center, Nanjing University, Nanjing 210061, China
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