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Kotov A, Seal S, Alkobtawi M, Kappès V, Ruiz SM, Arbès H, Harland RM, Peshkin L, Monsoro-Burq AH. A time-resolved single-cell roadmap of the logic driving anterior neural crest diversification from neural border to migration stages. Proc Natl Acad Sci U S A 2024; 121:e2311685121. [PMID: 38683994 PMCID: PMC11087755 DOI: 10.1073/pnas.2311685121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 03/12/2024] [Indexed: 05/02/2024] Open
Abstract
Neural crest cells exemplify cellular diversification from a multipotent progenitor population. However, the full sequence of early molecular choices orchestrating the emergence of neural crest heterogeneity from the embryonic ectoderm remains elusive. Gene-regulatory-networks (GRN) govern early development and cell specification toward definitive neural crest. Here, we combine ultradense single-cell transcriptomes with machine-learning and large-scale transcriptomic and epigenomic experimental validation of selected trajectories, to provide the general principles and highlight specific features of the GRN underlying neural crest fate diversification from induction to early migration stages using Xenopus frog embryos as a model. During gastrulation, a transient neural border zone state precedes the choice between neural crest and placodes which includes multiple converging gene programs. During neurulation, transcription factor connectome, and bifurcation analyses demonstrate the early emergence of neural crest fates at the neural plate stage, alongside an unbiased multipotent-like lineage persisting until epithelial-mesenchymal transition stage. We also decipher circuits driving cranial and vagal neural crest formation and provide a broadly applicable high-throughput validation strategy for investigating single-cell transcriptomes in vertebrate GRNs in development, evolution, and disease.
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Affiliation(s)
- Aleksandr Kotov
- Université Paris-Saclay, Département de Biologie, Faculté des Sciences d’Orsay, Signalisation Radiobiology and Cancer, CNRS UMR 3347, INSERM U1021, OrsayF-91405, France
- Institut Curie Research Division, Paris Science et Lettres Research University, OrsayF-91405, France
| | - Subham Seal
- Université Paris-Saclay, Département de Biologie, Faculté des Sciences d’Orsay, Signalisation Radiobiology and Cancer, CNRS UMR 3347, INSERM U1021, OrsayF-91405, France
- Institut Curie Research Division, Paris Science et Lettres Research University, OrsayF-91405, France
| | - Mansour Alkobtawi
- Université Paris-Saclay, Département de Biologie, Faculté des Sciences d’Orsay, Signalisation Radiobiology and Cancer, CNRS UMR 3347, INSERM U1021, OrsayF-91405, France
- Institut Curie Research Division, Paris Science et Lettres Research University, OrsayF-91405, France
| | - Vincent Kappès
- Université Paris-Saclay, Département de Biologie, Faculté des Sciences d’Orsay, Signalisation Radiobiology and Cancer, CNRS UMR 3347, INSERM U1021, OrsayF-91405, France
- Institut Curie Research Division, Paris Science et Lettres Research University, OrsayF-91405, France
| | - Sofia Medina Ruiz
- Molecular and Cell Biology Department, Genetics, Genomics and Development Division, University of California Berkeley, CA94720
| | - Hugo Arbès
- Université Paris-Saclay, Département de Biologie, Faculté des Sciences d’Orsay, Signalisation Radiobiology and Cancer, CNRS UMR 3347, INSERM U1021, OrsayF-91405, France
- Institut Curie Research Division, Paris Science et Lettres Research University, OrsayF-91405, France
| | - Richard M. Harland
- Molecular and Cell Biology Department, Genetics, Genomics and Development Division, University of California Berkeley, CA94720
| | - Leonid Peshkin
- Systems Biology Division, Harvard Medical School, Boston, MA02115
| | - Anne H. Monsoro-Burq
- Université Paris-Saclay, Département de Biologie, Faculté des Sciences d’Orsay, Signalisation Radiobiology and Cancer, CNRS UMR 3347, INSERM U1021, OrsayF-91405, France
- Institut Curie Research Division, Paris Science et Lettres Research University, OrsayF-91405, France
- Institut Universitaire de France, ParisF-75005, France
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2
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Edens BM, Bronner ME. Making developmental sense of the senses, their origin and function. Curr Top Dev Biol 2024; 159:132-167. [PMID: 38729675 DOI: 10.1016/bs.ctdb.2024.01.015] [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: 05/12/2024]
Abstract
The primary senses-touch, taste, sight, smell, and hearing-connect animals with their environments and with one another. Aside from the eyes, the primary sense organs of vertebrates and the peripheral sensory pathways that relay their inputs arise from two transient stem cell populations: the neural crest and the cranial placodes. In this chapter we consider the senses from historical and cultural perspectives, and discuss the senses as biological faculties. We begin with the embryonic origin of the neural crest and cranial placodes from within the neural plate border of the ectodermal germ layer. Then, we describe the major chemical (i.e. olfactory and gustatory) and mechanical (i.e. vestibulo-auditory and somatosensory) senses, with an emphasis on the developmental interactions between neural crest and cranial placodes that shape their structures and functions.
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Affiliation(s)
- Brittany M Edens
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, United States
| | - Marianne E Bronner
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, United States.
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3
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Piacentino ML, Fasse AJ, Camacho-Avila A, Grabylnikov I, Bronner ME. SMPD3 expression is spatially regulated in the developing embryo by SOXE factors. Dev Biol 2024; 506:31-41. [PMID: 38052296 PMCID: PMC10872304 DOI: 10.1016/j.ydbio.2023.11.011] [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: 08/10/2023] [Revised: 11/20/2023] [Accepted: 11/29/2023] [Indexed: 12/07/2023]
Abstract
During epithelial-to-mesenchymal transition (EMT), significant rearrangements occur in plasma membrane protein and lipid content that are important for membrane function and acquisition of cell motility. To gain insight into how neural crest cells regulate their lipid content at the transcriptional level during EMT, here we identify critical enhancer sequences that regulate the expression of SMPD3, a gene responsible for sphingomyelin hydrolysis to produce ceramide and necessary for neural crest EMT. We uncovered three enhancer regions within the first intron of the SMPD3 locus that drive reporter expression in distinct spatial and temporal domains, together collectively recapitulating the expression domains of endogenous SMPD3 within the ectodermal lineages. We further dissected one enhancer that is specifically active in the migrating neural crest. By mutating putative transcriptional input sites or knocking down upstream regulators, we find that the SOXE-family transcription factors SOX9 and SOX10 regulate the expression of SMPD3 in migrating neural crest cells. Further, ChIP-seq and nascent transcription analysis reveal that SOX10 directly regulates expression of an SMPD3 enhancer specific to migratory neural crest cells. Together these results shed light on how core components of developmental gene regulatory networks interact with metabolic effector genes to control changes in membrane lipid content.
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Affiliation(s)
- Michael L Piacentino
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, 91125, USA; Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA.
| | - Aria J Fasse
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Alexis Camacho-Avila
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, 91125, USA
| | - Ilya Grabylnikov
- Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Marianne E Bronner
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, 91125, USA
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4
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Griffin C, Saint-Jeannet JP. In vitro modeling of cranial placode differentiation: Recent advances, challenges, and perspectives. Dev Biol 2024; 506:20-30. [PMID: 38052294 PMCID: PMC10843546 DOI: 10.1016/j.ydbio.2023.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 11/27/2023] [Accepted: 11/29/2023] [Indexed: 12/07/2023]
Abstract
Cranial placodes are transient ectodermal thickenings that contribute to a diverse array of organs in the vertebrate head. They develop from a common territory, the pre-placodal region that over time segregates along the antero-posterior axis into individual placodal domains: the adenohypophyseal, olfactory, lens, trigeminal, otic, and epibranchial placodes. These placodes terminally differentiate into the anterior pituitary, the lens, and contribute to sensory organs including the olfactory epithelium, and inner ear, as well as several cranial ganglia. To study cranial placodes and their derivatives and generate cells for therapeutic purposes, several groups have turned to in vitro derivation of placodal cells from human embryonic stem cells (hESCs) or induced pluripotent stem cells (hiPSCs). In this review, we summarize the signaling cues and mechanisms involved in cranial placode induction, specification, and differentiation in vivo, and discuss how this knowledge has informed protocols to derive cranial placodes in vitro. We also discuss the benefits and limitations of these protocols, and the potential of in vitro cranial placode modeling in regenerative medicine to treat cranial placode-related pathologies.
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Affiliation(s)
- Casey Griffin
- Department of Molecular Pathobiology, New York University College of Dentistry, New York, NY, 10010, USA
| | - Jean-Pierre Saint-Jeannet
- Department of Molecular Pathobiology, New York University College of Dentistry, New York, NY, 10010, USA.
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5
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Busby L, Serrano Nájera G, Steventon BJ. Intrinsic and extrinsic cues time somite progenitor contribution to the vertebrate primary body axis. eLife 2024; 13:e90499. [PMID: 38193440 PMCID: PMC10834026 DOI: 10.7554/elife.90499] [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: 06/26/2023] [Accepted: 01/08/2024] [Indexed: 01/10/2024] Open
Abstract
During embryonic development, the timing of events at the cellular level must be coordinated across multiple length scales to ensure the formation of a well-proportioned body plan. This is clear during somitogenesis, where progenitors must be allocated to the axis over time whilst maintaining a progenitor population for continued elaboration of the body plan. However, the relative importance of intrinsic and extrinsic signals in timing progenitor addition at the single-cell level is not yet understood. Heterochronic grafts from older to younger embryos have suggested a level of intrinsic timing whereby later staged cells contribute to more posterior portions of the axis. To determine the precise step at which cells are delayed, we performed single-cell transcriptomic analysis on heterochronic grafts of somite progenitors in the chicken embryo. This revealed a previously undescribed cell state within which heterochronic grafted cells are stalled. The delayed exit of older cells from this state correlates with expression of posterior Hox genes. Using grafting and explant culture, we find that both Hox gene expression and the migratory capabilities of progenitor populations are intrinsically regulated at the population level. However, by grafting varied sizes of tissue, we find that small heterochronic grafts disperse more readily and contribute to more anterior portions of the body axis while still maintaining Hox gene expression. This enhanced dispersion is not replicated in explant culture, suggesting that it is a consequence of interaction between host and donor tissue and thus extrinsic to the donor tissue. Therefore, we demonstrate that the timing of cell dispersion and resulting axis contribution is impacted by a combination of both intrinsic and extrinsic cues.
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Affiliation(s)
- Lara Busby
- Department of Genetics, University of CambridgeCambridgeUnited Kingdom
- Department of Molecular and Cell Biology, University of California, BerkeleyBerkeleyUnited States
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6
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Epp S, Chuah SM, Halasz M. Epigenetic Dysregulation in MYCN-Amplified Neuroblastoma. Int J Mol Sci 2023; 24:17085. [PMID: 38069407 PMCID: PMC10707345 DOI: 10.3390/ijms242317085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 11/30/2023] [Accepted: 12/01/2023] [Indexed: 12/18/2023] Open
Abstract
Neuroblastoma (NB), a childhood cancer arising from the neural crest, poses significant clinical challenges, particularly in cases featuring amplification of the MYCN oncogene. Epigenetic factors play a pivotal role in normal neural crest and NB development, influencing gene expression patterns critical for tumorigenesis. This review delves into the multifaceted interplay between MYCN and known epigenetic modifications during NB genesis, shedding light on the intricate regulatory networks underlying the disease. We provide an extensive survey of known epigenetic mechanisms, encompassing DNA methylation, histone modifications, non-coding RNAs, super-enhancers (SEs), bromodomains (BET), and chromatin modifiers in MYCN-amplified (MNA) NB. These epigenetic changes collectively contribute to the dysregulated gene expression landscape observed in MNA NB. Furthermore, we review emerging therapeutic strategies targeting epigenetic regulators, including histone deacetylase inhibitors (HDACi), histone methyltransferase inhibitors (HMTi), and DNA methyltransferase inhibitors (DNMTi). We also discuss and summarize current drugs in preclinical and clinical trials, offering insights into their potential for improving outcomes for MNA NB patients.
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Affiliation(s)
- Soraya Epp
- Systems Biology Ireland, UCD School of Medicine, University College Dublin, D04 V1W8 Dublin, Ireland; (S.E.)
| | - Shin Mei Chuah
- Systems Biology Ireland, UCD School of Medicine, University College Dublin, D04 V1W8 Dublin, Ireland; (S.E.)
| | - Melinda Halasz
- Systems Biology Ireland, UCD School of Medicine, University College Dublin, D04 V1W8 Dublin, Ireland; (S.E.)
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, D04 V1W8 Dublin, Ireland
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7
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Bechmann N, Westermann F, Eisenhofer G. HIF and MYC signaling in adrenal neoplasms of the neural crest: implications for pediatrics. Front Endocrinol (Lausanne) 2023; 14:1022192. [PMID: 37361539 PMCID: PMC10286580 DOI: 10.3389/fendo.2023.1022192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 05/09/2023] [Indexed: 06/28/2023] Open
Abstract
Pediatric neural crest-derived adrenal neoplasms include neuroblastoma and pheochromocytoma. Both entities are associated with a high degree of clinical heterogeneity, varying from spontaneous regression to malignant disease with poor outcome. Increased expression and stabilization of HIF2α appears to contribute to a more aggressive and undifferentiated phenotype in both adrenal neoplasms, whereas MYCN amplification is a valuable prognostic marker in neuroblastoma. The present review focuses on HIF- and MYC signaling in both neoplasms and discusses the interaction of associated pathways during neural crest and adrenal development as well as potential consequences on tumorigenesis. Emerging single-cell methods together with epigenetic and transcriptomic analyses provide further insights into the importance of a tight regulation of HIF and MYC signaling pathways during adrenal development and tumorigenesis. In this context, increased attention to HIF-MYC/MAX interactions may also provide new therapeutic options for these pediatric adrenal neoplasms.
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Affiliation(s)
- Nicole Bechmann
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Carl Gustav Carus, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Frank Westermann
- Hopp Children’s Cancer Center Heidelberg (KiTZ), Heidelberg, Germany
- Division of Neuroblastoma Genomics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Graeme Eisenhofer
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Carl Gustav Carus, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
- Department of Medicine III, University Hospital Carl Gustav Carus, Medical Faculty Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
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8
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Haage A, Tanentzapf G. Analysis of Integrin-Dependent Melanoblast Migration During Development. Methods Mol Biol 2023; 2608:207-221. [PMID: 36653710 DOI: 10.1007/978-1-0716-2887-4_13] [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: 01/19/2023]
Abstract
The neural crest is a transient embryonic structure that gives rise to a number of important cell types and tissues, including most of the peripheral and enteric nervous systems, pigment-producing skin cells known as melanocytes, and many craniofacial structures. Melanoblasts, the precursors of melanocytes, are derived from the so-called trunk neural crest cells. These cells delaminate and migrate along a dorsolateral pathway to colonize their final destination in the skin, and consequently, defects in melanoblast migration result in pigmentation defects. Studying melanocyte migration is a topic of great interest due to the involvement of melanocytes in highly metastatic skin cancer. A role for integrin-mediated adhesion is well established in neural crest migration, and our recent work has provided direct evidence for a key role for integrin-based adhesion in melanocyte migration. Imaging of melanoblast migration in the context of intact skin has proven to be a particularly powerful tool to study integrin-based adhesion during melanoblast migration. Here, we describe the use of skin explants combined with genetically encoded markers for melanocytes and high-resolution live imaging as a powerful and informative approach to analyze melanoblast migration in an ex vivo context.
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Affiliation(s)
- Amanda Haage
- Department of Biomedical Sciences, University of North Dakota, Grand Forks, ND, USA.
| | - Guy Tanentzapf
- Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, BC, Canada
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9
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Panfilio KA, Chuva de Sousa Lopes SM. The extended analogy of extraembryonic development in insects and amniotes. Philos Trans R Soc Lond B Biol Sci 2022; 377:20210268. [PMID: 36252225 PMCID: PMC9574626 DOI: 10.1098/rstb.2021.0268] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 02/14/2022] [Indexed: 12/22/2022] Open
Abstract
It is fascinating that the amnion and serosa/chorion, two extraembryonic (EE) tissues that are characteristic of the amniote vertebrates (mammals, birds and reptiles), have also independently evolved in insects. In this review, we offer the first detailed, macroevolutionary comparison of EE development and tissue biology across these animal groups. Some commonalities represent independent solutions to shared challenges for protecting the embryo (environmental assaults, risk of pathogens) and supporting its development, including clear links between cellular properties (e.g. polyploidy) and physiological function. Further parallels encompass developmental features such as the early segregation of the serosa/chorion compared to later, progressive differentiation of the amnion and formation of the amniotic cavity from serosal-amniotic folds as a widespread morphogenetic mode across species. We also discuss common developmental roles for orthologous transcription factors and BMP signalling in EE tissues of amniotes and insects, and between EE and cardiac tissues, supported by our exploration of new resources for global and tissue-specific gene expression. This highlights the degree to which general developmental principles and protective tissue features can be deduced from each of these animal groups, emphasizing the value of broad comparative studies to reveal subtle developmental strategies and answer questions that are common across species. This article is part of the theme issue 'Extraembryonic tissues: exploring concepts, definitions and functions across the animal kingdom'.
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Affiliation(s)
| | - Susana M. Chuva de Sousa Lopes
- Department of Anatomy and Embryology, Leiden University Medical Center, 2333 ZC Leiden, The Netherlands
- Department for Reproductive Medicine, Ghent University Hospital, 9000 Ghent, Belgium
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10
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Kastriti ME, Faure L, Von Ahsen D, Bouderlique TG, Boström J, Solovieva T, Jackson C, Bronner M, Meijer D, Hadjab S, Lallemend F, Erickson A, Kaucka M, Dyachuk V, Perlmann T, Lahti L, Krivanek J, Brunet J, Fried K, Adameyko I. Schwann cell precursors represent a neural crest-like state with biased multipotency. EMBO J 2022; 41:e108780. [PMID: 35815410 PMCID: PMC9434083 DOI: 10.15252/embj.2021108780] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/14/2022] [Accepted: 06/15/2022] [Indexed: 12/29/2022] Open
Abstract
Schwann cell precursors (SCPs) are nerve-associated progenitors that can generate myelinating and non-myelinating Schwann cells but also are multipotent like the neural crest cells from which they originate. SCPs are omnipresent along outgrowing peripheral nerves throughout the body of vertebrate embryos. By using single-cell transcriptomics to generate a gene expression atlas of the entire neural crest lineage, we show that early SCPs and late migratory crest cells have similar transcriptional profiles characterised by a multipotent "hub" state containing cells biased towards traditional neural crest fates. SCPs keep diverging from the neural crest after being primed towards terminal Schwann cells and other fates, with different subtypes residing in distinct anatomical locations. Functional experiments using CRISPR-Cas9 loss-of-function further show that knockout of the common "hub" gene Sox8 causes defects in neural crest-derived cells along peripheral nerves by facilitating differentiation of SCPs towards sympathoadrenal fates. Finally, specific tumour populations found in melanoma, neurofibroma and neuroblastoma map to different stages of SCP/Schwann cell development. Overall, SCPs resemble migrating neural crest cells that maintain multipotency and become transcriptionally primed towards distinct lineages.
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Affiliation(s)
- Maria Eleni Kastriti
- Department of Molecular Neuroscience, Center for Brain ResearchMedical University ViennaViennaAustria
- Department of Physiology and PharmacologyKarolinska InstitutetStockholmSweden
- Department of Neuroimmunology, Center for Brain ResearchMedical University ViennaViennaAustria
| | - Louis Faure
- Department of Neuroimmunology, Center for Brain ResearchMedical University ViennaViennaAustria
| | - Dorothea Von Ahsen
- Department of Neuroimmunology, Center for Brain ResearchMedical University ViennaViennaAustria
| | | | - Johan Boström
- Department of Neuroimmunology, Center for Brain ResearchMedical University ViennaViennaAustria
| | - Tatiana Solovieva
- Division of Biology and Biological EngineeringCalifornia Institute of TechnologyPasadenaCAUSA
| | - Cameron Jackson
- Division of Biology and Biological EngineeringCalifornia Institute of TechnologyPasadenaCAUSA
| | - Marianne Bronner
- Division of Biology and Biological EngineeringCalifornia Institute of TechnologyPasadenaCAUSA
| | - Dies Meijer
- Centre for Discovery Brain SciencesUniversity of EdinburghEdinburghUK
| | - Saida Hadjab
- Department of NeuroscienceKarolinska InstitutetStockholmSweden
| | | | - Alek Erickson
- Department of Physiology and PharmacologyKarolinska InstitutetStockholmSweden
| | - Marketa Kaucka
- Max Planck Institute for Evolutionary BiologyPlönGermany
| | | | - Thomas Perlmann
- Department of Cell and Molecular BiologyKarolinska InstitutetStockholmSweden
| | - Laura Lahti
- Department of Cell and Molecular BiologyKarolinska InstitutetStockholmSweden
| | - Jan Krivanek
- Department of Histology and Embryology, Faculty of MedicineMasaryk UniversityBrnoCzech Republic
| | - Jean‐Francois Brunet
- Institut de Biologie de l'ENS (IBENS), INSERM, CNRS, École Normale SupérieurePSL Research UniversityParisFrance
| | - Kaj Fried
- Department of NeuroscienceKarolinska InstitutetStockholmSweden
| | - Igor Adameyko
- Department of Physiology and PharmacologyKarolinska InstitutetStockholmSweden
- Department of Neuroimmunology, Center for Brain ResearchMedical University ViennaViennaAustria
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11
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Gonzalez Malagon SG, Liu KJ. Linking neural crest development to neuroblastoma pathology. Development 2022; 149:276149. [DOI: 10.1242/dev.200331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
ABSTRACT
Although rare, childhood (paediatric) cancers are a major cause of death in young children. Unlike many adult cancers, paediatric cancers, such as neuroblastoma (NB), are developmental diseases that rarely show genetic predispositions. NB is the most common extracranial solid tumour in children, accounting for ∼15% of paediatric cancer deaths. This heterogeneous cancer arises from undifferentiated neural crest-derived progenitor cells. As neural crest cells are multipotent and migratory, they are often considered the embryonic paradigm of cancer stem cells. However, very little is known about the events that trigger tumour initiation and progression. Here, we discuss recent insights into sympathoadrenal lineage specification, as well as genetic factors associated with NB. With this in mind, we consider the molecular underpinnings of NB in the context of developmental trajectories of the neural crest lineage. This allows us to compare distinct subtypes of the disease and gene-function interactions during sensitive phases of neural crest development.
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Affiliation(s)
- Sandra Guadalupe Gonzalez Malagon
- Biomedical Research Institute, Foundation for Research and Technology, University of Ioannina Campus 1 , 45115 Ioannina , Greece
- School of Health Sciences and Institute of Biosciences, University Research Centre, University of Ioannina 2 Department of Biological Applications and Technology , , 45110 Ioannina , Greece
| | - Karen J. Liu
- Centre for Craniofacial and Regenerative Biology, King's College London 3 , London SE1 9RT , UK
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12
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Abstract
Neural crest cells (NCCs) are a dynamic, multipotent, vertebrate-specific population of embryonic stem cells. These ectodermally-derived cells contribute to diverse tissue types in developing embryos including craniofacial bone and cartilage, the peripheral and enteric nervous systems and pigment cells, among a host of other cell types. Due to their contribution to a significant number of adult tissue types, the mechanisms that drive their formation, migration and differentiation are highly studied. NCCs have a unique ability to transition from tightly adherent epithelial cells to mesenchymal and migratory cells by altering their polarity, expression of cell-cell adhesion molecules and gaining invasive abilities. In this Review, we discuss classical and emerging factors driving NCC epithelial-to-mesenchymal transition and migration, highlighting the role of signaling and transcription factors, as well as novel modifying factors including chromatin remodelers, small RNAs and post-translational regulators, which control the availability and longevity of major NCC players.
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13
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Making a head: Neural crest and ectodermal placodes in cranial sensory development. Semin Cell Dev Biol 2022; 138:15-27. [PMID: 35760729 DOI: 10.1016/j.semcdb.2022.06.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 04/11/2022] [Accepted: 06/19/2022] [Indexed: 01/04/2023]
Abstract
During development of the vertebrate sensory system, many important components like the sense organs and cranial sensory ganglia arise within the head and neck. Two progenitor populations, the neural crest, and cranial ectodermal placodes, contribute to these developing vertebrate peripheral sensory structures. The interactions and contributions of these cell populations to the development of the lens, olfactory, otic, pituitary gland, and cranial ganglia are vital for appropriate peripheral nervous system development. Here, we review the origins of both neural crest and placode cells at the neural plate border of the early vertebrate embryo and investigate the molecular and environmental signals that influence specification of different sensory regions. Finally, we discuss the underlying molecular pathways contributing to the complex vertebrate sensory system from an evolutionary perspective, from basal vertebrates to amniotes.
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14
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Williams RM, Lukoseviciute M, Sauka-Spengler T, Bronner ME. Single-cell atlas of early chick development reveals gradual segregation of neural crest lineage from the neural plate border during neurulation. eLife 2022; 11:74464. [PMID: 35088714 PMCID: PMC8798042 DOI: 10.7554/elife.74464] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Accepted: 12/01/2021] [Indexed: 12/16/2022] Open
Abstract
The epiblast of vertebrate embryos is comprised of neural and non-neural ectoderm, with the border territory at their intersection harboring neural crest and cranial placode progenitors. Here, we a generate single-cell atlas of the developing chick epiblast from late gastrulation through early neurulation stages to define transcriptional changes in the emerging ‘neural plate border’ as well as other regions of the epiblast. Focusing on the border territory, the results reveal gradual establishment of heterogeneous neural plate border signatures, including novel genes that we validate by fluorescent in situ hybridization. Developmental trajectory analysis infers that segregation of neural plate border lineages only commences at early neurulation, rather than at gastrulation as previously predicted. We find that cells expressing the prospective neural crest marker Pax7 contribute to multiple lineages, and a subset of premigratory neural crest cells shares a transcriptional signature with their border precursors. Together, our results suggest that cells at the neural plate border remain heterogeneous until early neurulation, at which time progenitors become progressively allocated toward defined neural crest and placode lineages. The data also can be mined to reveal changes throughout the developing epiblast.
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Affiliation(s)
- Ruth M Williams
- California Institute of Technology, Division of Biology and Biological engineering, Pasadena, United States.,University of Oxford, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford, United Kingdom
| | - Martyna Lukoseviciute
- University of Oxford, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford, United Kingdom
| | - Tatjana Sauka-Spengler
- University of Oxford, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, Oxford, United Kingdom
| | - Marianne E Bronner
- California Institute of Technology, Division of Biology and Biological engineering, Pasadena, United States
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15
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Monroy BY, Adamson CJ, Camacho-Avila A, Guerzon CN, Echeverria CV, Rogers CD. Expression atlas of avian neural crest proteins: Neurulation to migration. Dev Biol 2022; 483:39-57. [PMID: 34990731 DOI: 10.1016/j.ydbio.2021.12.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 12/11/2021] [Accepted: 12/30/2021] [Indexed: 11/20/2022]
Abstract
Neural crest (NC) cells are a dynamic population of embryonic stem cells that create various adult tissues in vertebrate species including craniofacial bone and cartilage and the peripheral and enteric nervous systems. NC development is thought to be a conserved and complex process that is controlled by a tightly-regulated gene regulatory network (GRN) of morphogens, transcription factors, and cell adhesion proteins. While multiple studies have characterized the expression of several GRN factors in single species, a comprehensive protein analysis that directly compares expression across development is lacking. To address this lack in information, we used three closely related avian models, Gallus gallus (chicken), Coturnix japonica (Japanese quail), and Pavo cristatus (Indian peafowl), to compare the localization and timing of four GRN transcription factors, PAX7, SNAI2, SOX9, and SOX10, from the onset of neurulation to migration. While the spatial expression of these factors is largely conserved, we find that quail NC cells express SNAI2, SOX9, and SOX10 proteins at the equivalent of earlier developmental stages than chick and peafowl. In addition, quail NC cells migrate farther and more rapidly than the larger organisms. These data suggest that despite a conservation of NC GRN players, differences in the timing of NC development between species remain a significant frontier to be explored with functional studies.
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Affiliation(s)
- Brigette Y Monroy
- Anatomy, Physiology, and Cell Biology Department, University of California Davis, Davis, CA, 95616, USA
| | - Carly J Adamson
- Anatomy, Physiology, and Cell Biology Department, University of California Davis, Davis, CA, 95616, USA
| | - Alexis Camacho-Avila
- Department of Biology, California State University Northridge, Northridge, CA, 91330, USA
| | - Christian N Guerzon
- Anatomy, Physiology, and Cell Biology Department, University of California Davis, Davis, CA, 95616, USA
| | - Camilo V Echeverria
- Anatomy, Physiology, and Cell Biology Department, University of California Davis, Davis, CA, 95616, USA
| | - Crystal D Rogers
- Anatomy, Physiology, and Cell Biology Department, University of California Davis, Davis, CA, 95616, USA.
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16
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Defining Pathological Activities of ALK in Neuroblastoma, a Neural Crest-Derived Cancer. Int J Mol Sci 2021; 22:ijms222111718. [PMID: 34769149 PMCID: PMC8584162 DOI: 10.3390/ijms222111718] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 10/25/2021] [Accepted: 10/25/2021] [Indexed: 12/13/2022] Open
Abstract
Neuroblastoma is a common extracranial solid tumour of childhood, responsible for 15% of cancer-related deaths in children. Prognoses vary from spontaneous remission to aggressive disease with extensive metastases, where treatment is challenging. Tumours are thought to arise from sympathoadrenal progenitor cells, which derive from an embryonic cell population called neural crest cells that give rise to diverse cell types, such as facial bone and cartilage, pigmented cells, and neurons. Tumours are found associated with mature derivatives of neural crest, such as the adrenal medulla or paraspinal ganglia. Sympathoadrenal progenitor cells express anaplastic lymphoma kinase (ALK), which encodes a tyrosine kinase receptor that is the most frequently mutated gene in neuroblastoma. Activating mutations in the kinase domain are common in both sporadic and familial cases. The oncogenic role of ALK has been extensively studied, but little is known about its physiological role. Recent studies have implicated ALK in neural crest migration and sympathetic neurogenesis. However, very few downstream targets of ALK have been identified. Here, we describe pathological activation of ALK in the neural crest, which promotes proliferation and migration, while preventing differentiation, thus inducing the onset of neuroblastoma. Understanding the effects of ALK activity on neural crest cells will help find new targets for neuroblastoma treatment.
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17
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Martik ML, Bronner ME. Riding the crest to get a head: neural crest evolution in vertebrates. Nat Rev Neurosci 2021; 22:616-626. [PMID: 34471282 PMCID: PMC10168595 DOI: 10.1038/s41583-021-00503-2] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/13/2021] [Indexed: 12/11/2022]
Abstract
In their seminal 1983 paper, Gans and Northcutt proposed that evolution of the vertebrate 'new head' was made possible by the advent of the neural crest and cranial placodes. The neural crest is a stem cell population that arises adjacent to the forming CNS and contributes to important cell types, including components of the peripheral nervous system and craniofacial skeleton and elements of the cardiovascular system. In the past few years, the new head hypothesis has been challenged by the discovery in invertebrate chordates of cells with some, but not all, characteristics of vertebrate neural crest cells. Here, we discuss recent findings regarding how neural crest cells may have evolved during the course of deuterostome evolution. The results suggest that there was progressive addition of cell types to the repertoire of neural crest derivatives throughout vertebrate evolution. Novel genomic tools have enabled higher resolution insight into neural crest evolution, from both a cellular and a gene regulatory perspective. Together, these data provide clues regarding the ancestral neural crest state and how the neural crest continues to evolve to contribute to the success of vertebrates as efficient predators.
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Affiliation(s)
- Megan L Martik
- Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA.,Department of Molecular and Cell Biology, University of California, Berkeley, CA, USA
| | - Marianne E Bronner
- Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA.
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18
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Ossipova O, Sokol SY. Cryosectioning and Immunostaining of Xenopus Embryonic Tissues. Cold Spring Harb Protoc 2021; 2021:pdb.prot107151. [PMID: 34244349 PMCID: PMC8527664 DOI: 10.1101/pdb.prot107151] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The Xenopus embryo is a classical vertebrate model for molecular, cellular, and developmental biology. Despite many advantages of this organism, such as large egg size and external development, imaging of early embryonic stages is challenging because of nontransparent cytoplasm. Staining and imaging of thin tissue sections is one way to overcome this limitation. Here we describe a step-by-step protocol that combines cryosectioning of gelatin-embedded embryos with immunostaining and imaging. The purpose of this protocol is to examine various cellular and tissue markers after the manipulation of protein function. This protocol can be performed within a 2-d period and allows detection of many antigens by immunofluorescence.
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Affiliation(s)
- Olga Ossipova
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
| | - Sergei Y Sokol
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, New York 10029, USA
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19
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Zebrafish Cdx4 regulates neural crest cell specification and migratory behaviors in the posterior body. Dev Biol 2021; 480:25-38. [PMID: 34389276 DOI: 10.1016/j.ydbio.2021.08.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 07/17/2021] [Accepted: 08/09/2021] [Indexed: 02/07/2023]
Abstract
The neural crest (NC) is a transient multipotent cell population that migrates extensively to produce a remarkable array of vertebrate cell types. NC cell specification progresses in an anterior to posterior fashion, resulting in distinct, axial-restricted subpopulations. The anterior-most, cranial, population of NC is specified as gastrulation concludes and neurulation begins, while more posterior populations become specified as the body elongates. The mechanisms that govern development of the more posterior NC cells remain incompletely understood. Here, we report a key role for zebrafish Cdx4, a homeodomain transcription factor, in the development of posterior NC cells. We demonstrate that cdx4 is expressed in trunk NC cell progenitors, directly binds NC cell-specific enhancers in the NC GRN, and regulates expression of the key NC development gene foxd3 in the posterior body. Moreover, cdx4 mutants show disruptions to the segmental pattern of trunk NC cell migration due to loss of normal leader/follower cell dynamics. Finally, using cell transplantation to generate chimeric specimens, we show that Cdx4 does not function in the paraxial mesoderm-the environment adjacent to which crest migrates-to influence migratory behaviors. We conclude that cdx4 plays a critical, and likely tissue autonomous, role in the establishment of trunk NC migratory behaviors. Together, our results indicate that cdx4 functions as an early NC specifier gene in the posterior body of zebrafish embryos.
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20
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Feng Z, Duren Z, Xiong Z, Wang S, Liu F, Wong WH, Wang Y. hReg-CNCC reconstructs a regulatory network in human cranial neural crest cells and annotates variants in a developmental context. Commun Biol 2021; 4:442. [PMID: 33824393 PMCID: PMC8024315 DOI: 10.1038/s42003-021-01970-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Accepted: 03/09/2021] [Indexed: 12/19/2022] Open
Abstract
Cranial Neural Crest Cells (CNCC) originate at the cephalic region from forebrain, midbrain and hindbrain, migrate into the developing craniofacial region, and subsequently differentiate into multiple cell types. The entire specification, delamination, migration, and differentiation process is highly regulated and abnormalities during this craniofacial development cause birth defects. To better understand the molecular networks underlying CNCC, we integrate paired gene expression & chromatin accessibility data and reconstruct the genome-wide human Regulatory network of CNCC (hReg-CNCC). Consensus optimization predicts high-quality regulations and reveals the architecture of upstream, core, and downstream transcription factors that are associated with functions of neural plate border, specification, and migration. hReg-CNCC allows us to annotate genetic variants of human facial GWAS and disease traits with associated cis-regulatory modules, transcription factors, and target genes. For example, we reveal the distal and combinatorial regulation of multiple SNPs to core TF ALX1 and associations to facial distances and cranial rare disease. In addition, hReg-CNCC connects the DNA sequence differences in evolution, such as ultra-conserved elements and human accelerated regions, with gene expression and phenotype. hReg-CNCC provides a valuable resource to interpret genetic variants as early as gastrulation during embryonic development. The network resources are available at https://github.com/AMSSwanglab/hReg-CNCC .
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Affiliation(s)
- Zhanying Feng
- CEMS, NCMIS, MDIS, Academy of Mathematics and Systems Science, National Center for Mathematics and Interdisciplinary Sciences, Chinese Academy of Sciences, Beijing, China.,School of Mathematics, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, China
| | - Zhana Duren
- Center for Human Genetics, Department of Genetics and Biochemistry, Clemson University, Greenwood, SC, USA.,Department of Statistics, Department of Biomedical Data Science, Bio-X Program, Stanford University, Stanford, CA, USA
| | - Ziyi Xiong
- Department of Genetic Identification, Erasmus MC University Medical Center Rotterdam, Rotterdam, Netherlands.,Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Rotterdam, Netherlands.,CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, China
| | - Sijia Wang
- Key Laboratory of Computational Biology, CAS-MPG Partner Institute for Computational Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, China
| | - Fan Liu
- CAS Key Laboratory of Genomic and Precision Medicine, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing, China. .,China National Center for Bioinformation, Chinese Academy of Sciences, Beijing, China.
| | - Wing Hung Wong
- Department of Statistics, Department of Biomedical Data Science, Bio-X Program, Stanford University, Stanford, CA, USA.
| | - Yong Wang
- CEMS, NCMIS, MDIS, Academy of Mathematics and Systems Science, National Center for Mathematics and Interdisciplinary Sciences, Chinese Academy of Sciences, Beijing, China. .,School of Mathematics, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, China. .,Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, China. .,Key Laboratory of Systems Biology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Hangzhou, China.
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21
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Profiling NSD3-dependent neural crest gene expression reveals known and novel candidate regulatory factors. Dev Biol 2021; 475:118-130. [PMID: 33705737 DOI: 10.1016/j.ydbio.2021.02.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 02/17/2021] [Accepted: 02/21/2021] [Indexed: 12/17/2022]
Abstract
The lysine methyltransferase NSD3 is required for the expression of key neural crest transcription factors and the migration of neural crest cells. Nevertheless, a complete view of the genes dependent upon NSD3 for expression and the developmental processes impacted by NSD3 in the neural crest was lacking. We used RNA sequencing (RNA-seq) to profile transcripts differentially expressed after NSD3 knockdown in chick premigratory neural crest cells, identifying 674 genes. Gene Ontology and gene set enrichment analyses further support a requirement for NSD3 during neural crest development and show that NSD3 knockdown also upregulates ribosome biogenesis. To validate our results, we selected three genes not previously associated with neural crest development, Astrotactin 1 (Astn1), Dispatched 3 (Disp3), and Tropomyosin 1 (Tpm1). Using whole mount in situ hybridization, we show that premigratory neural crest cells express these genes and that NSD3 knockdown downregulates (Astn1 and Disp3) and upregulates (Tpm1) their expression, consistent with RNA-seq results. Altogether, this study identifies novel putative regulators of neural crest development and provides insight into the transcriptional consequences of NSD3 in the neural crest, with implications for cancer.
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22
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Stundl J, Bertucci PY, Lauri A, Arendt D, Bronner ME. Evolution of new cell types at the lateral neural border. Curr Top Dev Biol 2021; 141:173-205. [PMID: 33602488 DOI: 10.1016/bs.ctdb.2020.11.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
During the course of evolution, animals have become increasingly complex by the addition of novel cell types and regulatory mechanisms. A prime example is represented by the lateral neural border, known as the neural plate border in vertebrates, a region of the developing ectoderm where presumptive neural and non-neural tissue meet. This region has been intensively studied as the source of two important embryonic cell types unique to vertebrates-the neural crest and the ectodermal placodes-which contribute to diverse differentiated cell types including the peripheral nervous system, pigment cells, bone, and cartilage. How did these multipotent progenitors originate in animal evolution? What triggered the elaboration of the border during the course of chordate evolution? How is the lateral neural border patterned in various bilaterians and what is its fate? Here, we review and compare the development and fate of the lateral neural border in vertebrates and invertebrates and we speculate about its evolutionary origin. Taken together, the data suggest that the lateral neural border existed in bilaterian ancestors prior to the origin of vertebrates and became a developmental source of exquisite evolutionary change that frequently enabled the acquisition of new cell types.
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Affiliation(s)
- Jan Stundl
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, United States
| | | | | | - Detlev Arendt
- European Molecular Biology Laboratory, Heidelberg, Germany.
| | - Marianne E Bronner
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, United States.
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23
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Tani S, Okada H, Chung UI, Ohba S, Hojo H. The Progress of Stem Cell Technology for Skeletal Regeneration. Int J Mol Sci 2021; 22:1404. [PMID: 33573345 PMCID: PMC7866793 DOI: 10.3390/ijms22031404] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/22/2021] [Accepted: 01/28/2021] [Indexed: 01/05/2023] Open
Abstract
Skeletal disorders, such as osteoarthritis and bone fractures, are among the major conditions that can compromise the quality of daily life of elderly individuals. To treat them, regenerative therapies using skeletal cells have been an attractive choice for patients with unmet clinical needs. Currently, there are two major strategies to prepare the cell sources. The first is to use induced pluripotent stem cells (iPSCs) or embryonic stem cells (ESCs), which can recapitulate the skeletal developmental process and differentiate into various skeletal cells. Skeletal tissues are derived from three distinct origins: the neural crest, paraxial mesoderm, and lateral plate mesoderm. Thus, various protocols have been proposed to recapitulate the sequential process of skeletal development. The second strategy is to extract stem cells from skeletal tissues. In addition to mesenchymal stem/stromal cells (MSCs), multiple cell types have been identified as alternative cell sources. These cells have distinct multipotent properties allowing them to differentiate into skeletal cells and various potential applications for skeletal regeneration. In this review, we summarize state-of-the-art research in stem cell differentiation based on the understanding of embryogenic skeletal development and stem cells existing in skeletal tissues. We then discuss the potential applications of these cell types for regenerative medicine.
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Affiliation(s)
- Shoichiro Tani
- Sensory & Motor System Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan; (S.T.); (H.O.)
- Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan;
| | - Hiroyuki Okada
- Sensory & Motor System Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan; (S.T.); (H.O.)
- Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan;
| | - Ung-il Chung
- Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan;
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
| | - Shinsuke Ohba
- Department of Cell Biology, Institute of Biomedical Sciences, Nagasaki University, Nagasaki 852-8588, Japan;
| | - Hironori Hojo
- Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan;
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo 113-8656, Japan
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24
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Thawani A, Groves AK. Building the Border: Development of the Chordate Neural Plate Border Region and Its Derivatives. Front Physiol 2020; 11:608880. [PMID: 33364980 PMCID: PMC7750469 DOI: 10.3389/fphys.2020.608880] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 11/19/2020] [Indexed: 01/04/2023] Open
Abstract
The paired cranial sensory organs and peripheral nervous system of vertebrates arise from a thin strip of cells immediately adjacent to the developing neural plate. The neural plate border region comprises progenitors for four key populations of cells: neural plate cells, neural crest cells, the cranial placodes, and epidermis. Putative homologues of these neural plate border derivatives can be found in protochordates such as amphioxus and tunicates. In this review, we summarize key signaling pathways and transcription factors that regulate the inductive and patterning events at the neural plate border region that give rise to the neural crest and placodal lineages. Gene regulatory networks driven by signals from WNT, fibroblast growth factor (FGF), and bone morphogenetic protein (BMP) signaling primarily dictate the formation of the crest and placodal lineages. We review these studies and discuss the potential of recent advances in spatio-temporal transcriptomic and epigenomic analyses that would allow a mechanistic understanding of how these signaling pathways and their downstream transcriptional cascades regulate the formation of the neural plate border region.
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Affiliation(s)
- Ankita Thawani
- Department of Neuroscience, Baylor College of Medicine, Houston, TX, United States
| | - Andrew K Groves
- Department of Neuroscience, Baylor College of Medicine, Houston, TX, United States.,Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, United States
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25
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Seal S, Monsoro-Burq AH. Insights Into the Early Gene Regulatory Network Controlling Neural Crest and Placode Fate Choices at the Neural Border. Front Physiol 2020; 11:608812. [PMID: 33324244 PMCID: PMC7726110 DOI: 10.3389/fphys.2020.608812] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 11/02/2020] [Indexed: 12/30/2022] Open
Abstract
The neural crest (NC) cells and cranial placodes are two ectoderm-derived innovations in vertebrates that led to the acquisition of a complex head structure required for a predatory lifestyle. They both originate from the neural border (NB), a portion of the ectoderm located between the neural plate (NP), and the lateral non-neural ectoderm. The NC gives rise to a vast array of tissues and cell types such as peripheral neurons and glial cells, melanocytes, secretory cells, and cranial skeletal and connective cells. Together with cells derived from the cranial placodes, which contribute to sensory organs in the head, the NC also forms the cranial sensory ganglia. Multiple in vivo studies in different model systems have uncovered the signaling pathways and genetic factors that govern the positioning, development, and differentiation of these tissues. In this literature review, we give an overview of NC and placode development, focusing on the early gene regulatory network that controls the formation of the NB during early embryonic stages, and later dictates the choice between the NC and placode progenitor fates.
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Affiliation(s)
- Subham Seal
- Université Paris-Saclay, CNRS UMR 3347, INSERM U1021, Orsay, France.,Institut Curie Research Division, PSL Research University, Orsay Cedex, France
| | - Anne H Monsoro-Burq
- Université Paris-Saclay, CNRS UMR 3347, INSERM U1021, Orsay, France.,Institut Curie Research Division, PSL Research University, Orsay Cedex, France.,Institut Universitaire de France, Paris, France
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26
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Weigele J, Bohnsack BL. Genetics Underlying the Interactions between Neural Crest Cells and Eye Development. J Dev Biol 2020; 8:jdb8040026. [PMID: 33182738 PMCID: PMC7712190 DOI: 10.3390/jdb8040026] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/03/2020] [Accepted: 11/07/2020] [Indexed: 12/14/2022] Open
Abstract
The neural crest is a unique, transient stem cell population that is critical for craniofacial and ocular development. Understanding the genetics underlying the steps of neural crest development is essential for gaining insight into the pathogenesis of congenital eye diseases. The neural crest cells play an under-appreciated key role in patterning the neural epithelial-derived optic cup. These interactions between neural crest cells within the periocular mesenchyme and the optic cup, while not well-studied, are critical for optic cup morphogenesis and ocular fissure closure. As a result, microphthalmia and coloboma are common phenotypes in human disease and animal models in which neural crest cell specification and early migration are disrupted. In addition, neural crest cells directly contribute to numerous ocular structures including the cornea, iris, sclera, ciliary body, trabecular meshwork, and aqueous outflow tracts. Defects in later neural crest cell migration and differentiation cause a constellation of well-recognized ocular anterior segment anomalies such as Axenfeld–Rieger Syndrome and Peters Anomaly. This review will focus on the genetics of the neural crest cells within the context of how these complex processes specifically affect overall ocular development and can lead to congenital eye diseases.
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Affiliation(s)
- Jochen Weigele
- Division of Ophthalmology, Ann & Robert H. Lurie Children’s Hospital of Chicago, 225 E. Chicago Ave, Chicago, IL 60611, USA;
- Department of Ophthalmology, Northwestern University Feinberg School of Medicine, 645 N. Michigan Ave, Chicago, IL 60611, USA
| | - Brenda L. Bohnsack
- Division of Ophthalmology, Ann & Robert H. Lurie Children’s Hospital of Chicago, 225 E. Chicago Ave, Chicago, IL 60611, USA;
- Department of Ophthalmology, Northwestern University Feinberg School of Medicine, 645 N. Michigan Ave, Chicago, IL 60611, USA
- Correspondence: ; Tel.: +1-312-227-6180; Fax: +1-312-227-9411
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27
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Perera SN, Kerosuo L. On the road again: Establishment and maintenance of stemness in the neural crest from embryo to adulthood. STEM CELLS (DAYTON, OHIO) 2020; 39:7-25. [PMID: 33017496 PMCID: PMC7821161 DOI: 10.1002/stem.3283] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 09/08/2020] [Accepted: 09/11/2020] [Indexed: 12/22/2022]
Abstract
Unique to vertebrates, the neural crest (NC) is an embryonic stem cell population that contributes to a greatly expanding list of derivatives ranging from neurons and glia of the peripheral nervous system, facial cartilage and bone, pigment cells of the skin to secretory cells of the endocrine system. Here, we focus on what is specifically known about establishment and maintenance of NC stemness and ultimate fate commitment mechanisms, which could help explain its exceptionally high stem cell potential that exceeds the "rules set during gastrulation." In fact, recent discoveries have shed light on the existence of NC cells that coexpress commonly accepted pluripotency factors like Nanog, Oct4/PouV, and Klf4. The coexpression of pluripotency factors together with the exceptional array of diverse NC derivatives encouraged us to propose a new term "pleistopotent" (Greek for abundant, a substantial amount) to be used to reflect the uniqueness of the NC as compared to other post-gastrulation stem cell populations in the vertebrate body, and to differentiate them from multipotent lineage restricted stem cells. We also discuss studies related to the maintenance of NC stemness within the challenging context of being a transient and thus a constantly changing population of stem cells without a permanent niche. The discovery of the stem cell potential of Schwann cell precursors as well as multiple adult NC-derived stem cell reservoirs during the past decade has greatly increased our understanding of how NC cells contribute to tissues formed after its initial migration stage in young embryos.
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Affiliation(s)
- Surangi N Perera
- Neural Crest Development and Disease Unit, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, Maryland, USA
| | - Laura Kerosuo
- Neural Crest Development and Disease Unit, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, Maryland, USA
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28
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MYC in Brain Development and Cancer. Int J Mol Sci 2020; 21:ijms21207742. [PMID: 33092025 PMCID: PMC7588885 DOI: 10.3390/ijms21207742] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 10/16/2020] [Accepted: 10/16/2020] [Indexed: 12/27/2022] Open
Abstract
The MYC family of transcriptional regulators play significant roles in animal development, including the renewal and maintenance of stem cells. Not surprisingly, given MYC's capacity to promote programs of proliferative cell growth, MYC is frequently upregulated in cancer. Although members of the MYC family are upregulated in nervous system tumours, the mechanisms of how elevated MYC promotes stem cell-driven brain cancers is unknown. If we are to determine how increased MYC might contribute to brain cancer progression, we will require a more complete understanding of MYC's roles during normal brain development. Here, we evaluate evidence for MYC family functions in neural stem cell fate and brain development, with a view to better understand mechanisms of MYC-driven neural malignancies.
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29
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Pini J, Kueper J, Hu YD, Kawasaki K, Yeung P, Tsimbal C, Yoon B, Carmichael N, Maas RL, Cotney J, Grinblat Y, Liao EC. ALX1-related frontonasal dysplasia results from defective neural crest cell development and migration. EMBO Mol Med 2020; 12:e12013. [PMID: 32914578 PMCID: PMC7539331 DOI: 10.15252/emmm.202012013] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 08/12/2020] [Accepted: 08/13/2020] [Indexed: 01/02/2023] Open
Abstract
A pedigree of subjects presented with frontonasal dysplasia (FND). Genome sequencing and analysis identified a p.L165F missense variant in the homeodomain of the transcription factor ALX1 which was imputed to be pathogenic. Induced pluripotent stem cells (iPSC) were derived from the subjects and differentiated to neural crest cells (NCC). NCC derived from ALX1L165F/L165F iPSC were more sensitive to apoptosis, showed an elevated expression of several neural crest progenitor state markers, and exhibited impaired migration compared to wild-type controls. NCC migration was evaluated in vivo using lineage tracing in a zebrafish model, which revealed defective migration of the anterior NCC stream that contributes to the median portion of the anterior neurocranium, phenocopying the clinical presentation. Analysis of human NCC culture media revealed a change in the level of bone morphogenic proteins (BMP), with a low level of BMP2 and a high level of BMP9. Soluble BMP2 and BMP9 antagonist treatments were able to rescue the defective migration phenotype. Taken together, these results demonstrate a mechanistic requirement of ALX1 in NCC development and migration.
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Affiliation(s)
- Jonathan Pini
- Center for Regenerative Medicine, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Shriners Hospital for Children, Boston, MA, USA
| | - Janina Kueper
- Center for Regenerative Medicine, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Shriners Hospital for Children, Boston, MA, USA
- Life and Brain Center, University of Bonn, Bonn, Germany
| | - Yiyuan David Hu
- Center for Regenerative Medicine, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Shriners Hospital for Children, Boston, MA, USA
| | - Kenta Kawasaki
- Center for Regenerative Medicine, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Shriners Hospital for Children, Boston, MA, USA
| | - Pan Yeung
- Center for Regenerative Medicine, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Shriners Hospital for Children, Boston, MA, USA
| | - Casey Tsimbal
- Center for Regenerative Medicine, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Shriners Hospital for Children, Boston, MA, USA
| | - Baul Yoon
- Departments of Integrative Biology, Neuroscience, and Genetics Ph.D. Training Program, University of Wisconsin-Madison, Madison, WI, USA
| | - Nikkola Carmichael
- Department of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Richard L Maas
- Department of Genetics, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Justin Cotney
- Genetics and Genome Sciences, UConn Health, Farmington, CT, USA
| | - Yevgenya Grinblat
- Departments of Integrative Biology, Neuroscience, and Genetics Ph.D. Training Program, University of Wisconsin-Madison, Madison, WI, USA
| | - Eric C Liao
- Center for Regenerative Medicine, Department of Surgery, Massachusetts General Hospital, Boston, MA, USA
- Shriners Hospital for Children, Boston, MA, USA
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30
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Niklasson CU, Fredlund E, Monni E, Lindvall JM, Kokaia Z, Hammarlund EU, Bronner ME, Mohlin S. Hypoxia inducible factor-2α importance for migration, proliferation, and self-renewal of trunk neural crest cells. Dev Dyn 2020; 250:191-236. [PMID: 32940375 PMCID: PMC7891386 DOI: 10.1002/dvdy.253] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/02/2020] [Accepted: 09/11/2020] [Indexed: 12/22/2022] Open
Abstract
Background The neural crest is a transient embryonic stem cell population. Hypoxia inducible factor (HIF)‐2α is associated with neural crest stem cell appearance and aggressiveness in tumors. However, little is known about its role in normal neural crest development. Results Here, we show that HIF‐2α is expressed in trunk neural crest cells of human, murine, and avian embryos. Knockdown as well as overexpression of HIF‐2α in vivo causes developmental delays, induces proliferation, and self‐renewal capacity of neural crest cells while decreasing the proportion of neural crest cells that migrate ventrally to sympathoadrenal sites. Reflecting the in vivo phenotype, transcriptome changes after loss of HIF‐2α reveal enrichment of genes associated with cancer, invasion, epithelial‐to‐mesenchymal transition, and growth arrest. Conclusions Taken together, these results suggest that expression levels of HIF‐2α must be strictly controlled during normal trunk neural crest development and that dysregulated levels affects several important features connected to stemness, migration, and development.
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Affiliation(s)
- Camilla U Niklasson
- Translational Cancer Research, Lund University Cancer Center at Medicon Village, Lund University, Lund, Sweden
| | - Elina Fredlund
- Translational Cancer Research, Lund University Cancer Center at Medicon Village, Lund University, Lund, Sweden.,Division of Pediatrics, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Emanuela Monni
- Laboratory of Stem Cells and Restorative Neurology, University Hospital, Lund, Sweden.,Lund Stem Cell Center, Lund University, Lund, Sweden
| | - Jessica M Lindvall
- National Bioinformatics Infrastructure Sweden (NBIS), Science for Life Laboratory, Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
| | - Zaal Kokaia
- Laboratory of Stem Cells and Restorative Neurology, University Hospital, Lund, Sweden.,Lund Stem Cell Center, Lund University, Lund, Sweden
| | - Emma U Hammarlund
- Translational Cancer Research, Lund University Cancer Center at Medicon Village, Lund University, Lund, Sweden
| | - Marianne E Bronner
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California, USA
| | - Sofie Mohlin
- Translational Cancer Research, Lund University Cancer Center at Medicon Village, Lund University, Lund, Sweden.,Division of Pediatrics, Department of Clinical Sciences, Lund University, Lund, Sweden.,Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California, USA
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31
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Gandhi S, Hutchins EJ, Maruszko K, Park JH, Thomson M, Bronner ME. Bimodal function of chromatin remodeler Hmga1 in neural crest induction and Wnt-dependent emigration. eLife 2020; 9:57779. [PMID: 32965216 PMCID: PMC7591248 DOI: 10.7554/elife.57779] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 09/23/2020] [Indexed: 12/12/2022] Open
Abstract
During gastrulation, neural crest cells are specified at the neural plate border, as characterized by Pax7 expression. Using single-cell RNA sequencing coupled with high-resolution in situ hybridization to identify novel transcriptional regulators, we show that chromatin remodeler Hmga1 is highly expressed prior to specification and maintained in migrating chick neural crest cells. Temporally controlled CRISPR-Cas9-mediated knockouts uncovered two distinct functions of Hmga1 in neural crest development. At the neural plate border, Hmga1 regulates Pax7-dependent neural crest lineage specification. At premigratory stages, a second role manifests where Hmga1 loss reduces cranial crest emigration from the dorsal neural tube independent of Pax7. Interestingly, this is rescued by stabilized ß-catenin, thus implicating Hmga1 as a canonical Wnt activator. Together, our results show that Hmga1 functions in a bimodal manner during neural crest development to regulate specification at the neural plate border, and subsequent emigration from the neural tube via canonical Wnt signaling. The neural plate is a structure that serves as the basis for the brain and central nervous system during the development of animals with a backbone. In particular, the tissues at the border of the neural plate become the neural crest, a group of highly mobile cells that can specialize to form nerves and parts of the face. The exact molecular mechanisms that allow the crest to emerge are still unknown. The protein Hmga1 alters how genes are packaged and organized inside cells, which in turn influences how genes are switched on and off. Here, Gandhi et al. studied how Hmga1 helps to shape the neural crest in developing chicken embryos. To do so, they harnessed a genetic tool called CRISPR-Cas9, and deleted the gene that encodes Hmga1 at specific developmental stages. This manipulation highlighted two periods where Hmga1 is active. First, Hmga1 helped to define neural crest cells at the neural plate border by activating a gene called pax7. Then, at a later stage, Hmga1 allowed these cells to move to other parts of the body by triggering the Wnt communication system. Failure for the neural crest to develop properly causes birth defects and cancers such as melanoma and childhood neuroblastoma, highlighting the need to better understand how this structure is formed. In addition, a better grasp of the roles of Hmga1 in healthy development could help to appreciate how it participates in a range of adult cancers.
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Affiliation(s)
- Shashank Gandhi
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, United States
| | - Erica J Hutchins
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, United States
| | - Krystyna Maruszko
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, United States
| | - Jong H Park
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, United States
| | - Matthew Thomson
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, United States
| | - Marianne E Bronner
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, United States
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32
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Cell fate decisions during the development of the peripheral nervous system in the vertebrate head. Curr Top Dev Biol 2020; 139:127-167. [PMID: 32450959 DOI: 10.1016/bs.ctdb.2020.04.002] [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] [Indexed: 01/03/2023]
Abstract
Sensory placodes and neural crest cells are among the key cell populations that facilitated the emergence and diversification of vertebrates throughout evolution. Together, they generate the sensory nervous system in the head: both form the cranial sensory ganglia, while placodal cells make major contributions to the sense organs-the eye, ear and olfactory epithelium. Both are instrumental for integrating craniofacial organs and have been key to drive the concentration of sensory structures in the vertebrate head allowing the emergence of active and predatory life forms. Whereas the gene regulatory networks that control neural crest cell development have been studied extensively, the signals and downstream transcriptional events that regulate placode formation and diversity are only beginning to be uncovered. Both cell populations are derived from the embryonic ectoderm, which also generates the central nervous system and the epidermis, and recent evidence suggests that their initial specification involves a common molecular mechanism before definitive neural, neural crest and placodal lineages are established. In this review, we will first discuss the transcriptional networks that pattern the embryonic ectoderm and establish these three cell fates with emphasis on sensory placodes. Second, we will focus on how sensory placode precursors diversify using the specification of otic-epibranchial progenitors and their segregation as an example.
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33
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Iida H, Furukawa Y, Teramoto M, Suzuki H, Takemoto T, Uchikawa M, Kondoh H. Sox2 gene regulation via the D1 enhancer in embryonic neural tube and neural crest by the combined action of SOX2 and ZIC2. Genes Cells 2020; 25:242-256. [PMID: 31997540 DOI: 10.1111/gtc.12753] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 01/26/2020] [Accepted: 01/27/2020] [Indexed: 01/12/2023]
Abstract
The transcription factor (TF) SOX2 regulates various stem cells and tissue progenitors via functional interactions with cell type-specific partner TFs that co-bind to enhancer sequences. Neural progenitors are the major embryonic tissues where SOX2 assumes central regulatory roles. In order to characterize the partner TFs of SOX2 in neural progenitors, we investigated the regulation of the D1 enhancer of the Sox2 gene, which is activated in the embryonic neural tube (NT) and neural crest (NC), using chicken embryo electroporation. We identified essential TF binding sites for a SOX, and two ZIC TFs in the activation of the D1 enhancer. By comparison of dorso-ventral and antero-posterior patterns of D1 enhancer activation, and the effect of mutations on the enhancer activation patterns with TF expression patterns, we determined SOX2 and ZIC2 as the major D1 enhancer-activating TFs. Binding of these TFs to the D1 enhancer sequence was confirmed by chromatin immunoprecipitation analysis. The combination of SOX2 and ZIC2 TFs activated the enhancer in both the NT and NC. These results indicate that SOX2 and ZIC2, which have been known to play major regulatory roles in neural progenitors, do functionally cooperate. In addition, the recently demonstrated SOX2 expression during the NC development is accounted for at least partly by the D1 enhancer activity. Deletion of the D1 enhancer sequence from the mouse genome, however, did not affect the mouse development, indicating functional redundancies of other enhancers.
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Affiliation(s)
- Hideaki Iida
- Faculty of Life Sciences and Institutes for Protein Dynamics and Comprehensive Research, Kyoto Sangyo University, Kyoto, Japan
| | - Yoko Furukawa
- Faculty of Life Sciences and Institutes for Protein Dynamics and Comprehensive Research, Kyoto Sangyo University, Kyoto, Japan
| | - Machiko Teramoto
- Faculty of Life Sciences and Institutes for Protein Dynamics and Comprehensive Research, Kyoto Sangyo University, Kyoto, Japan
| | - Hitomi Suzuki
- Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Tatsuya Takemoto
- Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Masanori Uchikawa
- Graduate School of Frontier Biosciences, Osaka University, Suita, Japan
| | - Hisato Kondoh
- Faculty of Life Sciences and Institutes for Protein Dynamics and Comprehensive Research, Kyoto Sangyo University, Kyoto, Japan
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34
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Prajapati RS, Hintze M, Streit A. PRDM1 controls the sequential activation of neural, neural crest and sensory progenitor determinants. Development 2019; 146:dev.181107. [PMID: 31806661 DOI: 10.1242/dev.181107] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Accepted: 11/27/2019] [Indexed: 12/25/2022]
Abstract
During early embryogenesis, the ectoderm is rapidly subdivided into neural, neural crest and sensory progenitors. How the onset of lineage determinants and the loss of pluripotency markers are temporally and spatially coordinated in vivo is still debated. Here, we identify a crucial role for the transcription factor PRDM1 in the orderly transition from epiblast to defined neural lineages in chick. PRDM1 is initially expressed broadly in the entire epiblast, but becomes gradually restricted as cell fates are specified. We find that PRDM1 is required for the loss of some pluripotency markers and the onset of neural, neural crest and sensory progenitor specifier genes. PRDM1 directly activates their expression by binding to their promoter regions and recruiting the histone demethylase Kdm4a to remove repressive histone marks. However, once neural lineage determinants become expressed, they in turn repress PRDM1, whereas prolonged PRDM1 expression inhibits neural, neural crest and sensory progenitor genes, suggesting that its downregulation is necessary for cells to maintain their identity. Therefore, PRDM1 plays multiple roles during ectodermal cell fate allocation.
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Affiliation(s)
- Ravindra S Prajapati
- Centre for Craniofacial & Regenerative Biology, Faculty of Dental, Oral and Craniofacial Sciences, King's College London, London SE1 9RT, UK
| | - Mark Hintze
- Centre for Craniofacial & Regenerative Biology, Faculty of Dental, Oral and Craniofacial Sciences, King's College London, London SE1 9RT, UK
| | - Andrea Streit
- Centre for Craniofacial & Regenerative Biology, Faculty of Dental, Oral and Craniofacial Sciences, King's College London, London SE1 9RT, UK
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35
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Hovland AS, Rothstein M, Simoes-Costa M. Network architecture and regulatory logic in neural crest development. WILEY INTERDISCIPLINARY REVIEWS-SYSTEMS BIOLOGY AND MEDICINE 2019; 12:e1468. [PMID: 31702881 DOI: 10.1002/wsbm.1468] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 09/25/2019] [Accepted: 10/11/2019] [Indexed: 12/31/2022]
Abstract
The neural crest is an ectodermal cell population that gives rise to over 30 cell types during vertebrate embryogenesis. These stem cells are formed at the border of the developing central nervous system and undergo extensive migration before differentiating into components of multiple tissues and organs. Neural crest formation and differentiation is a multistep process, as these cells transition through sequential regulatory states before adopting their adult phenotype. Such changes are governed by a complex gene regulatory network (GRN) that integrates environmental and cell-intrinsic inputs to regulate cell identity. Studies of neural crest cells in a variety of vertebrate models have elucidated the function and regulation of dozens of the molecular players that are part of this network. The neural crest GRN has served as a platform to explore the molecular control of multipotency, cell differentiation, and the evolution of vertebrates. In this review, we employ this genetic program as a stepping-stone to explore the architecture and the regulatory principles of developmental GRNs. We also discuss how modern genomic approaches can further expand our understanding of genetic networks in this system and others. This article is categorized under: Physiology > Mammalian Physiology in Health and Disease Biological Mechanisms > Cell Fates Developmental Biology > Lineages Models of Systems Properties and Processes > Cellular Models.
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Affiliation(s)
- Austin S Hovland
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York
| | - Megan Rothstein
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York
| | - Marcos Simoes-Costa
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York
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36
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Wnt Signaling in Neural Crest Ontogenesis and Oncogenesis. Cells 2019; 8:cells8101173. [PMID: 31569501 PMCID: PMC6829301 DOI: 10.3390/cells8101173] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 09/23/2019] [Accepted: 09/25/2019] [Indexed: 02/06/2023] Open
Abstract
Neural crest (NC) cells are a temporary population of multipotent stem cells that generate a diverse array of cell types, including craniofacial bone and cartilage, smooth muscle cells, melanocytes, and peripheral neurons and glia during embryonic development. Defective neural crest development can cause severe and common structural birth defects, such as craniofacial anomalies and congenital heart disease. In the early vertebrate embryos, NC cells emerge from the dorsal edge of the neural tube during neurulation and then migrate extensively throughout the anterior-posterior body axis to generate numerous derivatives. Wnt signaling plays essential roles in embryonic development and cancer. This review summarizes current understanding of Wnt signaling in NC cell induction, delamination, migration, multipotency, and fate determination, as well as in NC-derived cancers.
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37
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Gomez GA, Prasad MS, Wong M, Charney RM, Shelar PB, Sandhu N, Hackland JOS, Hernandez JC, Leung AW, García-Castro MI. WNT/β-catenin modulates the axial identity of embryonic stem cell-derived human neural crest. Development 2019; 146:dev.175604. [PMID: 31399472 DOI: 10.1242/dev.175604] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 07/26/2019] [Indexed: 12/27/2022]
Abstract
WNT/β-catenin signaling is crucial for neural crest (NC) formation, yet the effects of the magnitude of the WNT signal remain ill-defined. Using a robust model of human NC formation based on human pluripotent stem cells (hPSCs), we expose that the WNT signal modulates the axial identity of NCs in a dose-dependent manner, with low WNT leading to anterior OTX+ HOX- NC and high WNT leading to posterior OTX- HOX+ NC. Differentiation tests of posterior NC confirm expected derivatives, including posterior-specific adrenal derivatives, and display partial capacity to generate anterior ectomesenchymal derivatives. Furthermore, unlike anterior NC, posterior NC exhibits a transient TBXT+/SOX2+ neuromesodermal precursor-like intermediate. Finally, we analyze the contributions of other signaling pathways in posterior NC formation, which suggest a crucial role for FGF in survival/proliferation, and a requirement of BMP for NC maturation. As expected retinoic acid (RA) and FGF are able to modulate HOX expression in the posterior NC. Surprisingly, early RA supplementation prohibits NC formation. This work reveals for the first time that the amplitude of WNT signaling can modulate the axial identity of NC cells in humans.
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Affiliation(s)
- Gustavo A Gomez
- School of Medicine Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - Maneeshi S Prasad
- School of Medicine Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - Man Wong
- School of Medicine Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - Rebekah M Charney
- School of Medicine Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - Patrick B Shelar
- School of Medicine Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - Nabjot Sandhu
- School of Medicine Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - James O S Hackland
- School of Medicine Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - Jacqueline C Hernandez
- School of Medicine Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - Alan W Leung
- School of Medicine Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - Martín I García-Castro
- School of Medicine Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
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38
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Stage-dependent differential gene expression profiles of cranial neural crest-like cells derived from mouse-induced pluripotent stem cells. Med Mol Morphol 2019; 53:28-41. [PMID: 31297611 PMCID: PMC7033077 DOI: 10.1007/s00795-019-00229-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 06/26/2019] [Indexed: 12/13/2022]
Abstract
Cranial neural crest cells are multipotent cells that migrate into the pharyngeal arches of the vertebrate embryo and differentiate into various craniofacial organ derivatives. Therefore, migrating cranial neural crest cells are considered one of the most attractive candidate cell sources in regenerative medicine. We generated cranial neural crest like cell (cNCCs) using mouse-induced pluripotent stem cells cultured in neural crest-inducing medium for 14 days. Subsequently, we conducted RNA sequencing experiments to analyze gene expression profiles of cNCCs at different time points after induction. cNCCs expressed several neural crest specifier genes; however, some previously reported specifier genes such as paired box 3 and Forkhead box D3, which are essential for embryonic neural crest development, were not expressed. Moreover, ETS proto-oncogene 1, transcription factor and sex-determining region Y-box 10 were only expressed after 14 days of induction. Finally, cNCCs expressed multiple protocadherins and a disintegrin and metalloproteinase with thrombospondin motifs enzymes, which may be crucial for their migration.
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39
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Szemes M, Greenhough A, Malik K. Wnt Signaling Is a Major Determinant of Neuroblastoma Cell Lineages. Front Mol Neurosci 2019; 12:90. [PMID: 31040767 PMCID: PMC6476918 DOI: 10.3389/fnmol.2019.00090] [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: 12/19/2018] [Accepted: 03/21/2019] [Indexed: 01/09/2023] Open
Abstract
The neural crest (NC), which has been referred to as the fourth germ layer, comprises a multipotent cell population which will specify diverse cells and tissues, including craniofacial cartilage and bones, melanocytes, the adrenal medulla and the peripheral nervous system. These cell fates are known to be determined by gene regulatory networks (GRNs) acting at various stages of NC development, such as induction, specification, and migration. Although transcription factor hierarchies and some of their interplay with morphogenetic signaling pathways have been characterized, the full complexity of activities required for regulated development remains uncharted. Deregulation of these pathways may contribute to tumorigenesis, as in the case of neuroblastoma, a frequently lethal embryonic cancer thought to arise from the sympathoadrenal lineage of the NC. In this “Hypothesis and Theory” article, we utilize the next generation sequencing data from neuroblastoma cells and tumors to evaluate the possible influences of Wnt signaling on NC GRNs and on neuroblastoma cell lineages. We propose that Wnt signaling is a major determinant of regulatory networks that underlie mesenchymal/neural crest cell (NCC)-like cell identities through PRRX1 and YAP/TAZ transcription factors. Furthermore, Wnt may also co-operate with Hedgehog signaling in driving proneural differentiation programmes along the adrenergic (ADRN) lineage. Elucidation of Signaling Regulatory Networks can augment and complement GRNs in characterizing cell identities, which may in turn contribute to the design of improved therapeutics tailored to primary and relapsing neuroblastoma.
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Affiliation(s)
- Marianna Szemes
- Cancer Epigenetics Laboratory, School of Cellular and Molecular Medicine, University of Bristol, Bristol, United Kingdom
| | - Alexander Greenhough
- Cancer Epigenetics Laboratory, School of Cellular and Molecular Medicine, University of Bristol, Bristol, United Kingdom
| | - Karim Malik
- Cancer Epigenetics Laboratory, School of Cellular and Molecular Medicine, University of Bristol, Bristol, United Kingdom
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40
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Mohlin S, Kunttas E, Persson CU, Abdel-Haq R, Castillo A, Murko C, Bronner ME, Kerosuo L. Maintaining multipotent trunk neural crest stem cells as self-renewing crestospheres. Dev Biol 2019; 447:137-146. [PMID: 30664880 DOI: 10.1016/j.ydbio.2019.01.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 01/09/2019] [Accepted: 01/09/2019] [Indexed: 01/15/2023]
Abstract
Neural crest cells have broad migratory and differentiative ability that differs according to their axial level of origin. However, their transient nature has limited understanding of their stem cell and self-renewal properties. While an in vitro culture method has made it possible to maintain cranial neural crest cells as self-renewing multipotent crestospheres (Kerosuo et al., 2015), these same conditions failed to preserve trunk neural crest in a stem-like state. Here we optimize culture conditions for maintenance of avian trunk crestospheres, comprised of both neural crest stem and progenitor cells. Our trunk-derived crestospheres are multipotent and display self-renewal capacity over several weeks. Trunk crestospheres display elevated expression of neural crest cell markers as compared to those characteristic of ventrolateral neural tube or mesodermal fates. Moreover, trunk crestospheres express increased levels of trunk neural crest-enriched markers as compared to cranial crestospheres. Finally, we use lentiviral transduction as a tool to manipulate gene expression in trunk crestospheres. Taken together, this method enables long-term in vitro maintenance and manipulation of multipotent trunk neural crest cells in a premigratory stem or early progenitor state. Trunk crestospheres are a valuable resource for probing mechanisms underlying neural crest stemness and lineage decisions as well as accompanying diseases.
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Affiliation(s)
- Sofie Mohlin
- Department of Pediatrics, Clinical Sciences, Lund University, Lund, Sweden.
| | - Ezgi Kunttas
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Camilla U Persson
- Translational Cancer Research, Lund University Cancer Center at Medicon Village, Lund University, Lund, Sweden
| | - Reem Abdel-Haq
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Aldo Castillo
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Christina Murko
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Marianne E Bronner
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Laura Kerosuo
- Neural Crest Development and Disease Unit, National Institute of Dental and Craniofacial Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892, USA; Department of Biochemistry and Developmental Biology, Medicum, University of Helsinki, Helsinki, Finland.
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41
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Enhanced expression of MycN/CIP2A drives neural crest toward a neural stem cell-like fate: Implications for priming of neuroblastoma. Proc Natl Acad Sci U S A 2018; 115:E7351-E7360. [PMID: 30021854 DOI: 10.1073/pnas.1800039115] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Neuroblastoma is a neural crest-derived childhood tumor of the peripheral nervous system in which MycN amplification is a hallmark of poor prognosis. Here we show that MycN is expressed together with phosphorylation-stabilizing factor CIP2A in regions of the neural plate destined to form the CNS, but MycN is excluded from the neighboring neural crest stem cell domain. Interestingly, ectopic expression of MycN or CIP2A in the neural crest domain biases cells toward CNS-like neural stem cells that express Sox2. Consistent with this, some forms of neuroblastoma have been shown to share transcriptional resemblance with CNS neural stem cells. As high MycN/CIP2A levels correlate with poor prognosis, we posit that a MycN/CIP2A-mediated cell-fate bias may reflect a possible mechanism underlying early priming of some aggressive forms of neuroblastoma. In contrast to MycN, its paralogue cMyc is normally expressed in the neural crest stem cell domain and typically is associated with better overall survival in clinical neuroblastoma, perhaps reflecting a more "normal" neural crest-like state. These data suggest that priming for some forms of aggressive neuroblastoma may occur before neural crest emigration from the CNS and well before sympathoadrenal specification.
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Betters E, Charney RM, Garcia-Castro MI. Early specification and development of rabbit neural crest cells. Dev Biol 2018; 444 Suppl 1:S181-S192. [PMID: 29932896 DOI: 10.1016/j.ydbio.2018.06.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 06/01/2018] [Accepted: 06/18/2018] [Indexed: 11/19/2022]
Abstract
The phenomenal migratory and differentiation capacity of neural crest cells has been well established across model organisms. While the earliest stages of neural crest development have been investigated in non-mammalian model systems such as Xenopus and Aves, the early specification of this cell population has not been evaluated in mammalian embryos, of which the murine model is the most prevalent. Towards a more comprehensive understanding of mammalian neural crest formation and human comparative studies, we have used the rabbit as a mammalian system for the study of early neural crest specification and development. We examine the expression profile of well-characterized neural crest markers in rabbit embryos across developmental time from early gastrula to later neurula stages, and provide a comparison to markers of migratory neural crest in the chick. Importantly, we apply explant specification assays to address the pivotal question of mammalian neural crest ontogeny, and provide the first evidence that a specified population of neural crest cells exists in the rabbit gastrula prior to the overt expression of neural crest markers. Finally, we demonstrate that FGF signaling is necessary for early rabbit neural crest formation, as SU5402 treatment strongly represses neural crest marker expression in explant assays. This study pioneers the rabbit as a model for neural crest development, and provides the first demonstration of mammalian neural crest specification and the requirement of FGF signaling in this process.
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Affiliation(s)
- Erin Betters
- School of Medicine Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - Rebekah M Charney
- School of Medicine Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA
| | - Martín I Garcia-Castro
- School of Medicine Division of Biomedical Sciences, University of California, Riverside, CA 92521, USA.
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Piacentino ML, Bronner ME. Intracellular attenuation of BMP signaling via CKIP-1/Smurf1 is essential during neural crest induction. PLoS Biol 2018; 16:e2004425. [PMID: 29949573 PMCID: PMC6039030 DOI: 10.1371/journal.pbio.2004425] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 07/10/2018] [Accepted: 06/13/2018] [Indexed: 01/22/2023] Open
Abstract
The neural crest is induced at the neural plate border during gastrulation by combined bone morphogenetic protein (BMP), fibroblast growth factor (FGF), and Wnt signaling. While intermediate BMP levels are critical for this induction, secreted BMP inhibitors are largely absent from the neural plate border. Here, we propose a morphogen model in which intracellular attenuation of BMP signaling sets the required intermediate levels to maintain neural crest induction. We show that the scaffold protein casein kinase interacting protein 1 (CKIP-1) and ubiquitin ligase Smad ubiquitin regulatory factor 1 (Smurf1) are coexpressed with BMP4 at the chick neural plate border. Knockdown of CKIP-1 during a critical period between gastrulation and neurulation causes neural crest loss. Consistent with specific BMP modulation, CKIP-1 loss suppresses phospho-Smads 1/5/8 (pSmad1/5/8) and BMP reporter output but has no effect on Wnt signaling; Smurf1 overexpression (OE) acts similarly. Epistasis experiments further show that CKIP-1 rescues Smurf1-mediated neural crest loss. The results support a model in which CKIP-1 suppresses Smurf1-mediated degradation of Smads, uncovering an intracellular mechanism for attenuation of BMP signaling to the intermediate levels required for maintenance of neural crest induction.
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Affiliation(s)
- Michael L. Piacentino
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California, United States of America
| | - Marianne E. Bronner
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, California, United States of America
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Pla P, Monsoro-Burq AH. The neural border: Induction, specification and maturation of the territory that generates neural crest cells. Dev Biol 2018; 444 Suppl 1:S36-S46. [PMID: 29852131 DOI: 10.1016/j.ydbio.2018.05.018] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 05/23/2018] [Accepted: 05/23/2018] [Indexed: 11/17/2022]
Abstract
The neural crest is induced at the edge between the neural plate and the nonneural ectoderm, in an area called the neural (plate) border, during gastrulation and neurulation. In recent years, many studies have explored how this domain is patterned, and how the neural crest is induced within this territory, that also participates to the prospective dorsal neural tube, the dorsalmost nonneural ectoderm, as well as placode derivatives in the anterior area. This review highlights the tissue interactions, the cell-cell signaling and the molecular mechanisms involved in this dynamic spatiotemporal patterning, resulting in the induction of the premigratory neural crest. Collectively, these studies allow building a complex neural border and early neural crest gene regulatory network, mostly composed by transcriptional regulations but also, more recently, including novel signaling interactions.
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Affiliation(s)
- Patrick Pla
- Univ. Paris Sud, Université Paris Saclay, CNRS UMR 3347, INSERM U1021, Centre Universitaire, 15, rue Georges Clémenceau, F-91405 Orsay, France; Institut Curie Research Division, PSL Research University, CNRS UMR 3347, INSERM U1021, F-91405 Orsay, France
| | - Anne H Monsoro-Burq
- Univ. Paris Sud, Université Paris Saclay, CNRS UMR 3347, INSERM U1021, Centre Universitaire, 15, rue Georges Clémenceau, F-91405 Orsay, France; Institut Curie Research Division, PSL Research University, CNRS UMR 3347, INSERM U1021, F-91405 Orsay, France; Institut Universitaire de France, F-75005, Paris.
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Rogers CD, Nie S. Specifying neural crest cells: From chromatin to morphogens and factors in between. WILEY INTERDISCIPLINARY REVIEWS-DEVELOPMENTAL BIOLOGY 2018; 7:e322. [PMID: 29722151 DOI: 10.1002/wdev.322] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 03/26/2018] [Accepted: 03/27/2018] [Indexed: 12/16/2022]
Abstract
Neural crest (NC) cells are a stem-like multipotent population of progenitor cells that are present in vertebrate embryos, traveling to various regions in the developing organism. Known as the "fourth germ layer," these cells originate in the ectoderm between the neural plate (NP), which will become the brain and spinal cord, and nonneural tissues that will become the skin and the sensory organs. NC cells can differentiate into more than 30 different derivatives in response to the appropriate signals including, but not limited to, craniofacial bone and cartilage, sensory nerves and ganglia, pigment cells, and connective tissue. The molecular and cellular mechanisms that control the induction and specification of NC cells include epigenetic control, multiple interactive and redundant transcriptional pathways, secreted signaling molecules, and adhesion molecules. NC cells are important not only because they transform into a wide variety of tissue types, but also because their ability to detach from their epithelial neighbors and migrate throughout developing embryos utilizes mechanisms similar to those used by metastatic cancer cells. In this review, we discuss the mechanisms required for the induction and specification of NC cells in various vertebrate species, focusing on the roles of early morphogenesis, cell adhesion, signaling from adjacent tissues, and the massive transcriptional network that controls the formation of these amazing cells. This article is categorized under: Nervous System Development > Vertebrates: General Principles Gene Expression and Transcriptional Hierarchies > Regulatory Mechanisms Gene Expression and Transcriptional Hierarchies > Gene Networks and Genomics Signaling Pathways > Cell Fate Signaling.
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Affiliation(s)
- Crystal D Rogers
- Department of Biology, College of Science and Mathematics, California State University Northridge, Northridge, California
| | - Shuyi Nie
- School of Biological Sciences and Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia
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Vermillion KL, Bacher R, Tannenbaum AP, Swanson S, Jiang P, Chu LF, Stewart R, Thomson JA, Vereide DT. Spatial patterns of gene expression are unveiled in the chick primitive streak by ordering single-cell transcriptomes. Dev Biol 2018; 439:30-41. [PMID: 29678445 DOI: 10.1016/j.ydbio.2018.04.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 04/11/2018] [Accepted: 04/11/2018] [Indexed: 01/07/2023]
Abstract
During vertebrate development, progenitor cells give rise to tissues and organs through a complex choreography that commences at gastrulation. A hallmark event of gastrulation is the formation of the primitive streak, a linear assembly of cells along the anterior-posterior (AP) axis of the developing organism. To examine the primitive streak at a single-cell resolution, we measured the transcriptomes of individual chick cells from the streak or the surrounding tissue (the rest of the area pellucida) in Hamburger-Hamilton stage 4 embryos. The single-cell transcriptomes were then ordered by the statistical method Wave-Crest to deduce both the relative position along the AP axis and the prospective lineage of single cells. The ordered transcriptomes reveal intricate patterns of gene expression along the primitive streak.
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Affiliation(s)
| | - Rhonda Bacher
- Department of Biostatistics, University of Florida, Gainesville, FL 32611, USA
| | | | - Scott Swanson
- Morgridge Institute for Research, Madison, WI 53715, USA
| | - Peng Jiang
- Morgridge Institute for Research, Madison, WI 53715, USA
| | - Li-Fang Chu
- Morgridge Institute for Research, Madison, WI 53715, USA
| | - Ron Stewart
- Morgridge Institute for Research, Madison, WI 53715, USA
| | - James A Thomson
- Morgridge Institute for Research, Madison, WI 53715, USA; Department of Cell&Regenerative Biology, University of Wisconsin School of Medicine and Public Health, Madison, WI 53706, USA; Department of Molecular, Cellular,&Developmental Biology, University of California, Santa Barbara, CA 93106, USA
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Matsuno R, Gifford AJ, Fang J, Warren M, Lukeis RE, Trahair T, Sugimoto T, Marachelian A, Asgharzadeh S, Maris JM, Ikegaki N, Shimada H. Rare MYC-amplified Neuroblastoma With Large Cell Histology. Pediatr Dev Pathol 2018; 21:461-466. [PMID: 29426276 PMCID: PMC7469889 DOI: 10.1177/1093526617749670] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Background Although MYCN (aka N-myc) amplification is reported in ∼20% of neuroblastomas, MYC (aka C-myc) amplification appears to be a rare event in this disease. As of today, only 2 MYC-amplified neuroblastomas have been briefly mentioned in the literature. Methods We studied here the clinicopathological features of 3 MYC-amplified neuroblastomas. Results All 3 patients (2 females and 1 male) had stage 4 disease. One female is currently alive and well 52 months after the diagnosis, while the other female and male patients died of disease 24 and 20 months after the diagnosis, respectively. Further analysis on 2 tumors revealed unfavorable histology with MYC protein overexpression but with neither MYCN amplification nor MYCN protein overexpression. Both of these tumors exhibited "large cell neuroblastoma" histology with enlarged, uniquely open nuclei and nucleolar hypertrophy, along with "aberrant" desmin expression. Conclusions MYC-amplified neuroblastomas are extremely rare and seem to present with distinct clinicopathological features.
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Affiliation(s)
- Ryosuke Matsuno
- Department of Pathology & Laboratory Medicine, Children’s Hospital Los Angeles, Los Angeles, California
| | - Andrew J Gifford
- Department of Anatomic Pathology, Prince of Wales Hospital, Randwick, Australia,School of Women’s and Children’s Health, University of New South Wales, Sydney, Australia
| | - Junming Fang
- Department of Pathology, Kaiser Permanente Medical Center, San Francisco, California
| | - Mikako Warren
- Department of Pathology & Laboratory Medicine, Children’s Hospital Los Angeles, Los Angeles, California
| | - Robyn E Lukeis
- Cytogenetics Laboratory, SydPath, St Vincent’s Hospital, Darlinghurst, Australia
| | - Toby Trahair
- Kids Cancer Center, Sydney Children’s Hospital, Randwick, Australia
| | | | - Araz Marachelian
- Division of Hematology/Oncology, Children’s Hospital Los Angeles, Los Angeles, California
| | - Shahab Asgharzadeh
- Department of Pathology & Laboratory Medicine, Children’s Hospital Los Angeles, Los Angeles, California,Division of Hematology/Oncology, Children’s Hospital Los Angeles, Los Angeles, California
| | - John M Maris
- Division of Oncology and Department of Pediatrics, Children’s Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania
| | - Naohiko Ikegaki
- Department of Anatomy and Cell Biology, University of Illinois at Chicago, Chicago, Illinois
| | - Hiroyuki Shimada
- Department of Pathology & Laboratory Medicine, Children’s Hospital Los Angeles, Los Angeles, California
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Kerosuo L, Bronner ME. cMyc Regulates the Size of the Premigratory Neural Crest Stem Cell Pool. Cell Rep 2017; 17:2648-2659. [PMID: 27926868 DOI: 10.1016/j.celrep.2016.11.025] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Revised: 10/03/2016] [Accepted: 11/03/2016] [Indexed: 12/26/2022] Open
Abstract
The neural crest is a transient embryonic population that originates within the central nervous system (CNS) and then migrates into the periphery and differentiates into multiple cell types. The mechanisms that govern neural crest stem-like characteristics and self-renewal ability are poorly understood. Here, we show that the proto-oncogene cMyc is a critical factor in the chick dorsal neural tube, where it regulates the size of the premigratory neural crest stem cell pool. Loss of cMyc dramatically decreases the number of emigrating neural crest cells due to reduced self-renewal capacity, increased cell death, and shorter duration of the emigration process. Interestingly, rather than via E-Box binding, cMyc acts in the dorsal neural tube by interacting with another transcription factor, Miz1, to promote self-renewal. The finding that cMyc operates in a non-canonical manner in the premigratory neural crest highlights the importance of examining its role at specific time points and in an in vivo context.
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Affiliation(s)
- Laura Kerosuo
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Marianne E Bronner
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA.
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49
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Martik ML, Bronner ME. Regulatory Logic Underlying Diversification of the Neural Crest. Trends Genet 2017; 33:715-727. [PMID: 28851604 DOI: 10.1016/j.tig.2017.07.015] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 07/24/2017] [Accepted: 07/27/2017] [Indexed: 12/29/2022]
Abstract
The neural crest is a transient, multipotent population of cells that arises at the border of the developing nervous system. After closure of the neural tube, these cells undergo an epithelial-to-mesenchymal transition (EMT) to delaminate and migrate, often to distant locations in the embryo. Neural crest cells give rise to a diverse array of derivatives including neurons and glia of the peripheral nervous system, melanocytes, and bone and cartilage of the face. A gene regulatory network (GRN) controls the specification, delamination, migration, and differentiation of this fascinating cell type. With increasing technological advances, direct linkages within the neural crest GRN are being uncovered. The underlying circuitry is useful for understanding important topics such as reprogramming, evolution, and disease.
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Affiliation(s)
- Megan L Martik
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Marianne E Bronner
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA.
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50
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Hintze M, Prajapati RS, Tambalo M, Christophorou NAD, Anwar M, Grocott T, Streit A. Cell interactions, signals and transcriptional hierarchy governing placode progenitor induction. Development 2017; 144:2810-2823. [PMID: 28684624 PMCID: PMC5560042 DOI: 10.1242/dev.147942] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 06/21/2017] [Indexed: 12/18/2022]
Abstract
In vertebrates, cranial placodes contribute to all sense organs and sensory ganglia and arise from a common pool of Six1/Eya2+ progenitors. Here we dissect the events that specify ectodermal cells as placode progenitors using newly identified genes upstream of the Six/Eya complex. We show in chick that two different tissues, namely the lateral head mesoderm and the prechordal mesendoderm, gradually induce placode progenitors: cells pass through successive transcriptional states, each identified by distinct factors and controlled by different signals. Both tissues initiate a common transcriptional state but over time impart regional character, with the acquisition of anterior identity dependent on Shh signalling. Using a network inference approach we predict the regulatory relationships among newly identified transcription factors and verify predicted links in knockdown experiments. Based on this analysis we propose a new model for placode progenitor induction, in which the initial induction of a generic transcriptional state precedes regional divergence.
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Affiliation(s)
- Mark Hintze
- Department of Craniofacial Development & Stem Cell Biology, King's College London, Dental Institute, London SE1 9RT, UK
| | - Ravindra Singh Prajapati
- Department of Craniofacial Development & Stem Cell Biology, King's College London, Dental Institute, London SE1 9RT, UK
| | - Monica Tambalo
- Department of Craniofacial Development & Stem Cell Biology, King's College London, Dental Institute, London SE1 9RT, UK
| | - Nicolas A D Christophorou
- Department of Craniofacial Development & Stem Cell Biology, King's College London, Dental Institute, London SE1 9RT, UK
| | - Maryam Anwar
- Department of Craniofacial Development & Stem Cell Biology, King's College London, Dental Institute, London SE1 9RT, UK
| | - Timothy Grocott
- Department of Craniofacial Development & Stem Cell Biology, King's College London, Dental Institute, London SE1 9RT, UK
| | - Andrea Streit
- Department of Craniofacial Development & Stem Cell Biology, King's College London, Dental Institute, London SE1 9RT, UK
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