1
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Miladinovic O, Canto PY, Pouget C, Piau O, Radic N, Freschu P, Megherbi A, Brujas Prats C, Jacques S, Hirsinger E, Geeverding A, Dufour S, Petit L, Souyri M, North T, Isambert H, Traver D, Jaffredo T, Charbord P, Durand C. A multistep computational approach reveals a neuro-mesenchymal cell population in the embryonic hematopoietic stem cell niche. Development 2024; 151:dev202614. [PMID: 38451068 PMCID: PMC11057820 DOI: 10.1242/dev.202614] [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: 12/15/2023] [Accepted: 02/23/2024] [Indexed: 03/08/2024]
Abstract
The first hematopoietic stem and progenitor cells (HSPCs) emerge in the Aorta-Gonad-Mesonephros (AGM) region of the mid-gestation mouse embryo. However, the precise nature of their supportive mesenchymal microenvironment remains largely unexplored. Here, we profiled transcriptomes of laser micro-dissected aortic tissues at three developmental stages and individual AGM cells. Computational analyses allowed the identification of several cell subpopulations within the E11.5 AGM mesenchyme, with the presence of a yet unidentified subpopulation characterized by the dual expression of genes implicated in adhesive or neuronal functions. We confirmed the identity of this cell subset as a neuro-mesenchymal population, through morphological and lineage tracing assays. Loss of function in the zebrafish confirmed that Decorin, a characteristic extracellular matrix component of the neuro-mesenchyme, is essential for HSPC development. We further demonstrated that this cell population is not merely derived from the neural crest, and hence, is a bona fide novel subpopulation of the AGM mesenchyme.
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Affiliation(s)
- Olivera Miladinovic
- Laboratoire de Biologie du Développement/UMR7622, Institut de Biologie Paris Seine, Sorbonne Université, CNRS, Inserm U1156,9 Quai St-Bernard, 75005 Paris, France
| | - Pierre-Yves Canto
- Laboratoire de Biologie du Développement/UMR7622, Institut de Biologie Paris Seine, Sorbonne Université, CNRS, Inserm U1156,9 Quai St-Bernard, 75005 Paris, France
| | - Claire Pouget
- Department of Cell and Developmental Biology, University of California San Diego, La Jolla, CA 92093-0380, USA
| | - Olivier Piau
- Laboratoire de Biologie du Développement/UMR7622, Institut de Biologie Paris Seine, Sorbonne Université, CNRS, Inserm U1156,9 Quai St-Bernard, 75005 Paris, France
- Centre de Recherche Saint-Antoine-Team Proliferation and Differentiation of Stem Cells, Institut Universitaire de Cancérologie, Sorbonne Université, Inserm, UMR-S 938,F-75012 Paris, France
| | - Nevenka Radic
- Laboratoire de Biologie du Développement/UMR7622, Institut de Biologie Paris Seine, Sorbonne Université, CNRS, Inserm U1156,9 Quai St-Bernard, 75005 Paris, France
| | - Priscilla Freschu
- Laboratoire de Biologie du Développement/UMR7622, Institut de Biologie Paris Seine, Sorbonne Université, CNRS, Inserm U1156,9 Quai St-Bernard, 75005 Paris, France
| | - Alexandre Megherbi
- Laboratoire de Biologie du Développement/UMR7622, Institut de Biologie Paris Seine, Sorbonne Université, CNRS, Inserm U1156,9 Quai St-Bernard, 75005 Paris, France
| | - Carla Brujas Prats
- Laboratoire de Biologie du Développement/UMR7622, Institut de Biologie Paris Seine, Sorbonne Université, CNRS, Inserm U1156,9 Quai St-Bernard, 75005 Paris, France
| | - Sebastien Jacques
- Plateforme de génomique, Université de Paris, Institut Cochin, Inserm, CNRS, F-75014 Paris, France
| | - Estelle Hirsinger
- Laboratoire de Biologie du Développement/UMR7622, Institut de Biologie Paris Seine, Sorbonne Université, CNRS, Inserm U1156,9 Quai St-Bernard, 75005 Paris, France
| | - Audrey Geeverding
- Service de microscopie électronique, Fr3631 Institut de Biologie Paris Seine, Sorbonne Université, CNRS, 7-9Quai St-Bernard, 75005 Paris, France
| | - Sylvie Dufour
- Université Paris-Est Créteil, Inserm, IMRB, F94010 Créteil, France
| | - Laurence Petit
- Laboratoire de Biologie du Développement/UMR7622, Institut de Biologie Paris Seine, Sorbonne Université, CNRS, Inserm U1156,9 Quai St-Bernard, 75005 Paris, France
| | - Michele Souyri
- Université de Paris, Inserm UMR 1131, Institut de Recherche Saint Louis, Hôpital Saint Louis, 1 Avenue Claude Vellefaux, 75010 Paris, France
| | - Trista North
- Stem Cell Program, Department of Hematology/Oncology, Boston Children's Hospital, Boston, MA 02115, USA
- Developmental and Regenerative Biology Program, Harvard Medical School, Boston, MA 02115, USA
| | - Hervé Isambert
- Institut Curie, PSL Research University, CNRS UMR168, Paris, France
| | - David Traver
- Department of Cell and Developmental Biology, University of California San Diego, La Jolla, CA 92093-0380, USA
| | - Thierry Jaffredo
- Laboratoire de Biologie du Développement/UMR7622, Institut de Biologie Paris Seine, Sorbonne Université, CNRS, Inserm U1156,9 Quai St-Bernard, 75005 Paris, France
| | - Pierre Charbord
- Laboratoire de Biologie du Développement/UMR7622, Institut de Biologie Paris Seine, Sorbonne Université, CNRS, Inserm U1156,9 Quai St-Bernard, 75005 Paris, France
| | - Charles Durand
- Laboratoire de Biologie du Développement/UMR7622, Institut de Biologie Paris Seine, Sorbonne Université, CNRS, Inserm U1156,9 Quai St-Bernard, 75005 Paris, France
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2
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Pajanoja C, Hsin J, Olinger B, Schiffmacher A, Yazejian R, Abrams S, Dapkunas A, Zainul Z, Doyle AD, Martin D, Kerosuo L. Maintenance of pluripotency-like signature in the entire ectoderm leads to neural crest stem cell potential. Nat Commun 2023; 14:5941. [PMID: 37741818 PMCID: PMC10518019 DOI: 10.1038/s41467-023-41384-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 09/01/2023] [Indexed: 09/25/2023] Open
Abstract
The ability of the pluripotent epiblast to contribute progeny to all three germ layers is thought to be lost after gastrulation. The later-forming neural crest (NC) rises from ectoderm and it remains poorly understood how its exceptionally high stem-cell potential to generate mesodermal- and endodermal-like derivatives is obtained. Here, we monitor transcriptional changes from gastrulation to neurulation using single-cell-Multiplex-Spatial-Transcriptomics (scMST) complemented with RNA-sequencing. We show maintenance of pluripotency-like signature (Nanog, Oct4/PouV, Klf4-positive) in undecided pan-ectodermal stem-cells spanning the entire ectoderm late during neurulation with ectodermal patterning completed only at the end of neurulation when the pluripotency-like signature becomes restricted to NC, challenging our understanding of gastrulation. Furthermore, broad ectodermal pluripotency-like signature is found at multiple axial levels unrelated to the NC lineage the cells later commit to, suggesting a general role in stemness enhancement and proposing a mechanism by which the NC acquires its ability to form derivatives beyond "ectodermal-capacity" in chick and mouse embryos.
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Affiliation(s)
- Ceren Pajanoja
- National Institute of Dental and Craniofacial Research, Intramural Research Program, Neural Crest Development and Disease Unit, National Institutes of Health, Bethesda, MD, USA
- Department of Biochemistry and Developmental Biology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Jenny Hsin
- National Institute of Dental and Craniofacial Research, Intramural Research Program, Neural Crest Development and Disease Unit, National Institutes of Health, Bethesda, MD, USA
| | - Bradley Olinger
- National Institute of Dental and Craniofacial Research, Intramural Research Program, Neural Crest Development and Disease Unit, National Institutes of Health, Bethesda, MD, USA
| | - Andrew Schiffmacher
- National Institute of Dental and Craniofacial Research, Intramural Research Program, Neural Crest Development and Disease Unit, National Institutes of Health, Bethesda, MD, USA
- Department of Animal and Avian Sciences, University of Maryland, College Park, MD, USA
| | - Rita Yazejian
- National Institute of Dental and Craniofacial Research, Intramural Research Program, Neural Crest Development and Disease Unit, National Institutes of Health, Bethesda, MD, USA
| | - Shaun Abrams
- National Institute of Dental and Craniofacial Research, Intramural Research Program, Neural Crest Development and Disease Unit, National Institutes of Health, Bethesda, MD, USA
| | - Arvydas Dapkunas
- Department of Biochemistry and Developmental Biology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Zarin Zainul
- National Institute of Dental and Craniofacial Research, Intramural Research Program, Neural Crest Development and Disease Unit, National Institutes of Health, Bethesda, MD, USA
| | - Andrew D Doyle
- National Institute of Dental and Craniofacial Research, Intramural Research Program, NIDCR Imaging Core, National Institutes of Health, Bethesda, MD, USA
| | - Daniel Martin
- National Institute of Dental and Craniofacial Research, Intramural Research Program, Genomics and Computational Biology Core, National Institutes of Health, Bethesda, MD, USA
| | - Laura Kerosuo
- National Institute of Dental and Craniofacial Research, Intramural Research Program, Neural Crest Development and Disease Unit, National Institutes of Health, Bethesda, MD, USA.
- Department of Biochemistry and Developmental Biology, Faculty of Medicine, University of Helsinki, Helsinki, Finland.
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3
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Bruet E, Amarante-Silva D, Gorojankina T, Creuzet S. The Emerging Roles of the Cephalic Neural Crest in Brain Development and Developmental Encephalopathies. Int J Mol Sci 2023; 24:9844. [PMID: 37372994 DOI: 10.3390/ijms24129844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
The neural crest, a unique cell population originating from the primitive neural field, has a multi-systemic and structural contribution to vertebrate development. At the cephalic level, the neural crest generates most of the skeletal tissues encasing the developing forebrain and provides the prosencephalon with functional vasculature and meninges. Over the last decade, we have demonstrated that the cephalic neural crest (CNC) exerts an autonomous and prominent control on the development of the forebrain and sense organs. The present paper reviews the primary mechanisms by which CNC can orchestrate vertebrate encephalization. Demonstrating the role of the CNC as an exogenous source of patterning for the forebrain provides a novel conceptual framework with profound implications for understanding neurodevelopment. From a biomedical standpoint, these data suggest that the spectrum of neurocristopathies is broader than expected and that some neurological disorders may stem from CNC dysfunctions.
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Affiliation(s)
- Emmanuel Bruet
- Paris-Saclay Institute of Neuroscience, NeuroPSI, CNRS, Paris-Saclay University, Campus CEA Saclay, Bât 151, 151 Route de la Rotonde, 91400 Saclay, France
| | - Diego Amarante-Silva
- Paris-Saclay Institute of Neuroscience, NeuroPSI, CNRS, Paris-Saclay University, Campus CEA Saclay, Bât 151, 151 Route de la Rotonde, 91400 Saclay, France
| | - Tatiana Gorojankina
- Paris-Saclay Institute of Neuroscience, NeuroPSI, CNRS, Paris-Saclay University, Campus CEA Saclay, Bât 151, 151 Route de la Rotonde, 91400 Saclay, France
| | - Sophie Creuzet
- Paris-Saclay Institute of Neuroscience, NeuroPSI, CNRS, Paris-Saclay University, Campus CEA Saclay, Bât 151, 151 Route de la Rotonde, 91400 Saclay, France
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4
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Ladle DR, Hippenmeyer S. Loss of ETV1/ER81 in motor neurons leads to reduced monosynaptic inputs from proprioceptive sensory neurons. J Neurophysiol 2023; 129:501-512. [PMID: 36695533 DOI: 10.1152/jn.00172.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
Presynaptic inputs determine the pattern of activation of postsynaptic neurons in a neural circuit. Molecular and genetic pathways that regulate the selective formation of subsets of presynaptic inputs are largely unknown, despite significant understanding of the general process of synaptogenesis. In this study, we have begun to identify such factors using the spinal monosynaptic stretch reflex circuit as a model system. In this neuronal circuit, Ia proprioceptive afferents establish monosynaptic connections with spinal motor neurons that project to the same muscle (termed homonymous connections) or muscles with related or synergistic function. However, monosynaptic connections are not formed with motor neurons innervating muscles with antagonistic functions. The ETS transcription factor ER81 (also known as ETV1) is expressed by all proprioceptive afferents, but only a small set of motor neuron pools in the lumbar spinal cord of the mouse. Here we use conditional mouse genetic techniques to eliminate Er81 expression selectively from motor neurons. We find that ablation of Er81 in motor neurons reduces synaptic inputs from proprioceptive afferents conveying information from homonymous and synergistic muscles, with no change observed in the connectivity pattern from antagonistic proprioceptive afferents. In summary, these findings suggest a role for ER81 in defined motor neuron pools to control the assembly of specific presynaptic inputs and thereby influence the profile of activation of these motor neurons.
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Affiliation(s)
- David R Ladle
- Department of Neuroscience, Cell Biology, and Physiology, Boonshoft School of Medicine, Wright State University, Dayton, Ohio, United States
| | - Simon Hippenmeyer
- Institute of Science and Technology Austria (ISTA), Klosterneuburg, Austria
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5
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Gao P, Liu S, Wang X, Ikeya M. Dental applications of induced pluripotent stem cells and their derivatives. JAPANESE DENTAL SCIENCE REVIEW 2022; 58:162-171. [PMID: 35516907 PMCID: PMC9065891 DOI: 10.1016/j.jdsr.2022.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 02/24/2022] [Accepted: 03/17/2022] [Indexed: 11/26/2022] Open
Abstract
Periodontal tissue regeneration is the ideal tactic for treating periodontitis. Tooth regeneration is the potential strategy to restore the lost teeth. With infinite self-renewal, broad differentiation potential, and less ethical issues than embryonic stem cells, induced pluripotent stem cells (iPSCs) are promising cell resource for periodontal and tooth regeneration. This review summarized the optimized technologies of generating iPSC lines and application of iPSC derivatives, which reduce the risk of tumorigenicity. Given that iPSCs may have epigenetic memory from the donor tissue and tend to differentiate into lineages along with the donor cells, iPSCs derived from dental tissues may benefit for personalized dental application. Neural crest cells (NCCs) and mesenchymal stem or stomal cells (MSCs) are lineage-specific progenitor cells derived from iPSCs and can differentiate into multilineage cell types. This review introduced the updated technologies of inducing iPSC-derived NCCs and iPSC-derived MSCs and their application in periodontal and tooth regeneration. Given the complexity of periodontal tissues and teeth, it is crucial to elucidate the integrated mechanisms of all constitutive cells and the spatio-temporal interactions among them to generate structural periodontal tissues and functional teeth. Thus, more sophisticated studies in vitro and in vivo and even preclinical investigations need to be conducted.
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6
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Chevalier NR, Ammouche Y, Gomis A, Langlois L, Guilbert T, Bourdoncle P, Dufour S. A neural crest cell isotropic-to-nematic phase transition in the developing mammalian gut. Commun Biol 2021; 4:770. [PMID: 34162999 PMCID: PMC8222382 DOI: 10.1038/s42003-021-02333-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 06/07/2021] [Indexed: 11/09/2022] Open
Abstract
While the colonization of the embryonic gut by neural crest cells has been the subject of intense scrutiny over the past decades, we are only starting to grasp the morphogenetic transformations of the enteric nervous system happening in the fetal stage. Here, we show that enteric neural crest cell transit during fetal development from an isotropic cell network to a square grid comprised of circumferentially-oriented cell bodies and longitudinally-extending interganglionic fibers. We present ex-vivo dynamic time-lapse imaging of this isotropic-to-nematic phase transition and show that it occurs concomitantly with circular smooth muscle differentiation in all regions of the gastrointestinal tract. Using conditional mutant embryos with enteric neural crest cells depleted of β1-integrins, we show that cell-extracellular matrix anchorage is necessary for ganglia to properly reorient. We demonstrate by whole mount second harmonic generation imaging that fibrous, circularly-spun collagen I fibers are in direct contact with neural crest cells during the orientation transition, providing an ideal orientation template. We conclude that smooth-muscle associated extracellular matrix drives a critical reorientation transition of the enteric nervous system in the mammalian fetus.
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Affiliation(s)
- Nicolas R Chevalier
- Laboratoire Matière et Systèmes Complexes, Université de Paris/CNRS UMR 7057, Paris, France.
| | - Yanis Ammouche
- Laboratoire Matière et Systèmes Complexes, Université de Paris/CNRS UMR 7057, Paris, France
| | - Anthony Gomis
- Laboratoire Matière et Systèmes Complexes, Université de Paris/CNRS UMR 7057, Paris, France
| | - Lucas Langlois
- Laboratoire Matière et Systèmes Complexes, Université de Paris/CNRS UMR 7057, Paris, France
| | - Thomas Guilbert
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université de Paris (UMR-S1016), Paris, France
| | - Pierre Bourdoncle
- Institut Cochin, INSERM U1016, CNRS UMR 8104, Université de Paris (UMR-S1016), Paris, France
| | - Sylvie Dufour
- Univ Paris Est Creteil, INSERM, IMRB, Creteil, France
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7
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Eskilsson A, Shionoya K, Engblom D, Blomqvist A. Fever During Localized Inflammation in Mice Is Elicited by a Humoral Pathway and Depends on Brain Endothelial Interleukin-1 and Interleukin-6 Signaling and Central EP 3 Receptors. J Neurosci 2021; 41:5206-5218. [PMID: 33941650 PMCID: PMC8211540 DOI: 10.1523/jneurosci.0313-21.2021] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 04/01/2021] [Accepted: 04/26/2021] [Indexed: 02/02/2023] Open
Abstract
We examined the signaling route for fever during localized inflammation in male and female mice, elicited by casein injection into a preformed air pouch. The localized inflammation gave rise to high concentrations of prostaglandins of the E species (PGE2) and cytokines in the air pouch and elevated levels of these inflammatory mediators in plasma. There were also elevated levels of PGE2 in the cerebrospinal fluid, although there was little evidence for PGE2 synthesis in the brain. Global deletion of the PGE2 prostaglandin E receptor 3 (EP3) abolished the febrile response as did deletion of the EP3 receptor in neural cells, whereas its deletion on peripheral nerves had no effect, implying that PGE2 action on this receptor in the CNS elicited the fever. Global deletion of the interleukin-1 receptor type 1 (IL-1R1) also abolished the febrile response, whereas its deletion on neural cells or peripheral nerves had no effect. However, deletion of the IL-1R1 on brain endothelial cells, as well as deletion of the interleukin-6 receptor α on these cells, attenuated the febrile response. In contrast, deletion of the PGE2 synthesizing enzymes cyclooxygenase-2 and microsomal prostaglandin synthase-1 in brain endothelial cells, known to attenuate fever evoked by systemic inflammation, had no effect. We conclude that fever during localized inflammation is not mediated by neural signaling from the inflamed site, as previously suggested, but is dependent on humoral signaling that involves interleukin actions on brain endothelial cells, probably facilitating PGE2 entry into the brain from the circulation and hence representing a mechanism distinct from that at work during systemic inflammation.
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Affiliation(s)
- Anna Eskilsson
- Division of Neurobiology and Center for Social and Affective Neuroscience, Department of Biomedical and Clinical Sciences, Linköping University, S-58185 Linköping, Sweden
| | - Kiseko Shionoya
- Division of Neurobiology and Center for Social and Affective Neuroscience, Department of Biomedical and Clinical Sciences, Linköping University, S-58185 Linköping, Sweden
| | - David Engblom
- Division of Neurobiology and Center for Social and Affective Neuroscience, Department of Biomedical and Clinical Sciences, Linköping University, S-58185 Linköping, Sweden
| | - Anders Blomqvist
- Division of Neurobiology and Center for Social and Affective Neuroscience, Department of Biomedical and Clinical Sciences, Linköping University, S-58185 Linköping, Sweden
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8
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Chevalier NR, Agbesi RJA, Ammouche Y, Dufour S. How Smooth Muscle Contractions Shape the Developing Enteric Nervous System. Front Cell Dev Biol 2021; 9:678975. [PMID: 34150774 PMCID: PMC8206791 DOI: 10.3389/fcell.2021.678975] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 05/10/2021] [Indexed: 12/16/2022] Open
Abstract
Neurons and glia of the enteric nervous system (ENS) are constantly subject to mechanical stress stemming from contractions of the gut wall or pressure of the bolus, both in adulthood and during embryonic development. Because it is known that mechanical forces can have long reaching effects on neural growth, we investigate here how contractions of the circular smooth muscle of the gut impact morphogenesis of the developing fetal ENS, in chicken and mouse embryos. We find that the number of enteric ganglia is fixed early in development and that subsequent ENS morphogenesis consists in the anisotropic expansion of a hexagonal honeycomb (chicken) or a square (mouse) lattice, without de-novo ganglion formation. We image the deformations of the ENS during spontaneous myogenic motility and show that circular smooth muscle contractile waves induce longitudinal strain on the ENS network; we rationalize this behavior by mechanical finite element modeling of the incompressible gut wall. We find that the longitudinal anisotropy of the ENS vanishes when contractile waves are suppressed in organ culture, showing that these contractile forces play a key role in sculpting the developing ENS. We conclude by summarizing different key events in the fetal development of the ENS and the role played by mechanics in the morphogenesis of this unique nerve network.
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Affiliation(s)
- Nicolas R. Chevalier
- Laboratoire Matière et Systèmes Complexes, Université Paris Diderot/CNRS UMR 7057, Paris, France
| | | | - Yanis Ammouche
- Laboratoire Matière et Systèmes Complexes, Université Paris Diderot/CNRS UMR 7057, Paris, France
| | - Sylvie Dufour
- Univ Paris Est Créteil, INSERM, IMRB, Créteil, France
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9
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Deal KK, Rosebrock JC, Eeds AM, DeKeyser JML, Musser MA, Ireland SJ, May-Zhang AA, Buehler DP, Southard-Smith EM. Sox10-cre BAC transgenes reveal temporal restriction of mesenchymal cranial neural crest and identify glandular Sox10 expression. Dev Biol 2020; 471:119-137. [PMID: 33316258 DOI: 10.1016/j.ydbio.2020.12.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 12/02/2020] [Accepted: 12/07/2020] [Indexed: 12/29/2022]
Abstract
Diversity of neural crest derivatives has been studied with a variety of approaches during embryonic development. In mammals Cre-LoxP lineage tracing is a robust means to fate map neural crest relying on cre driven from regulatory elements of early neural crest genes. Sox10 is an essential transcription factor for normal neural crest development. A variety of efforts have been made to label neural crest derivatives using partial Sox10 regulatory elements to drive cre expression. To date published Sox10-cre lines have focused primarily on lineage tracing in specific tissues or during early fetal development. We describe two new Sox10-cre BAC transgenes, constitutive (cre) and inducible (cre/ERT2), that contain the complete repertoire of Sox10 regulatory elements. We present a thorough expression profile of each, identifying a few novel sites of Sox10 expression not captured by other neural crest cre drivers. Comparative mapping of expression patterns between the Sox10-cre and Sox10-cre/ERT2 transgenes identified a narrow temporal window in which Sox10 expression is present in mesenchymal derivatives prior to becoming restricted to neural elements during embryogenesis. In more caudal structures, such as the intestine and lower urinary tract, our Sox10-cre BAC transgene appears to be more efficient in labeling neural crest-derived cell types than Wnt1-cre. The analysis reveals consistent expression of Sox10 in non-neural crest derived glandular epithelium, including salivary, mammary, and urethral glands of adult mice. These Sox10-cre and Sox10-cre/ERT2 transgenic lines are verified tools that will enable refined temporal and cell-type specific lineage analysis of neural crest derivatives as well as glandular tissues that rely on Sox10 for proper development and function.
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Affiliation(s)
- Karen K Deal
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Jennifer C Rosebrock
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Angela M Eeds
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Jean-Marc L DeKeyser
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA; Present address: Northwestern University, Dept. of Pharmacology, USA
| | - Melissa A Musser
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA; Present address: Division of Gastroenterology, Hepatology and Nutrition, Boston Children's Hospital, Boston, MA, USA
| | - Sara J Ireland
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Aaron A May-Zhang
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Dennis P Buehler
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - E Michelle Southard-Smith
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA.
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10
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Tang W, Bronner ME. Neural crest lineage analysis: from past to future trajectory. Development 2020; 147:147/20/dev193193. [PMID: 33097550 DOI: 10.1242/dev.193193] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Since its discovery 150 years ago, the neural crest has intrigued investigators owing to its remarkable developmental potential and extensive migratory ability. Cell lineage analysis has been an essential tool for exploring neural crest cell fate and migration routes. By marking progenitor cells, one can observe their subsequent locations and the cell types into which they differentiate. Here, we review major discoveries in neural crest lineage tracing from a historical perspective. We discuss how advancing technologies have refined lineage-tracing studies, and how clonal analysis can be applied to questions regarding multipotency. We also highlight how effective progenitor cell tracing, when combined with recently developed molecular and imaging tools, such as single-cell transcriptomics, single-molecule fluorescence in situ hybridization and high-resolution imaging, can extend the scope of neural crest lineage studies beyond development to regeneration and cancer initiation.
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Affiliation(s)
- Weiyi Tang
- 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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11
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Shin MM, Catela C, Dasen J. Intrinsic control of neuronal diversity and synaptic specificity in a proprioceptive circuit. eLife 2020; 9:56374. [PMID: 32808924 PMCID: PMC7467731 DOI: 10.7554/elife.56374] [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: 02/25/2020] [Accepted: 08/17/2020] [Indexed: 12/17/2022] Open
Abstract
Relay of muscle-derived sensory information to the CNS is essential for the execution of motor behavior, but how proprioceptive sensory neurons (pSNs) establish functionally appropriate connections is poorly understood. A prevailing model of sensory-motor circuit assembly is that peripheral, target-derived, cues instruct pSN identities and patterns of intraspinal connectivity. To date no known intrinsic determinants of muscle-specific pSN fates have been described in vertebrates. We show that expression of Hox transcription factors defines pSN subtypes, and these profiles are established independently of limb muscle. The Hoxc8 gene is expressed by pSNs and motor neurons (MNs) targeting distal forelimb muscles, and sensory-specific depletion of Hoxc8 in mice disrupts sensory-motor synaptic matching, without affecting pSN survival or muscle targeting. These results indicate that the diversity and central specificity of pSNs and MNs are regulated by a common set of determinants, thus linking early rostrocaudal patterning to the assembly of limb control circuits.
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Affiliation(s)
- Maggie M Shin
- Neuroscience Institute, Department of Neuroscience and Physiology, NYU School of Medicine, New York, United States
| | - Catarina Catela
- Department of Neurobiology, University of Chicago, Chicago, United States
| | - Jeremy Dasen
- Neuroscience Institute, Department of Neuroscience and Physiology, NYU School of Medicine, New York, United States
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12
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Gacem N, Kavo A, Zerad L, Richard L, Mathis S, Kapur RP, Parisot M, Amiel J, Dufour S, de la Grange P, Pingault V, Vallat JM, Bondurand N. ADAR1 mediated regulation of neural crest derived melanocytes and Schwann cell development. Nat Commun 2020; 11:198. [PMID: 31924792 PMCID: PMC6954203 DOI: 10.1038/s41467-019-14090-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 12/09/2019] [Indexed: 01/14/2023] Open
Abstract
The neural crest gives rise to numerous cell types, dysfunction of which contributes to many disorders. Here, we report that adenosine deaminase acting on RNA (ADAR1), responsible for adenosine-to-inosine editing of RNA, is required for regulating the development of two neural crest derivatives: melanocytes and Schwann cells. Neural crest specific conditional deletion of Adar1 in mice leads to global depigmentation and absence of myelin from peripheral nerves, resulting from alterations in melanocyte survival and differentiation of Schwann cells, respectively. Upregulation of interferon stimulated genes precedes these defects, which are associated with the triggering of a signature resembling response to injury in peripheral nerves. Simultaneous extinction of MDA5, a key sensor of unedited RNA, rescues both melanocytes and myelin defects in vitro, suggesting that ADAR1 safeguards neural crest derivatives from aberrant MDA5-mediated interferon production. We thus extend the landscape of ADAR1 function to the fields of neural crest development and disease.
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Affiliation(s)
- Nadjet Gacem
- Laboratory of Embryology and Genetics of Human Malformation, Imagine Institute, INSERM UMR 1163, Universite Paris Descartes-Universite de Paris, Paris, France.,INSERM, U955, Equipe 06, 8, rue du General Sarrail, 94010, Creteil Cedex, France
| | - Anthula Kavo
- INSERM, U955, Equipe 06, 8, rue du General Sarrail, 94010, Creteil Cedex, France.,Faculte de Medecine, Universite Paris Est, 94000, Creteil, France
| | - Lisa Zerad
- Laboratory of Embryology and Genetics of Human Malformation, Imagine Institute, INSERM UMR 1163, Universite Paris Descartes-Universite de Paris, Paris, France
| | - Laurence Richard
- Department of Neurology, Centre de Reference Neuropathies Peripheriques Rares, 2 avenue Martin-Luther-King, 87042, Limoges, France
| | - Stephane Mathis
- Department of Neurology (Nerve-Muscle Unit) and Grand Sud-Ouest National Reference Center for Neuromuscular Disorders, CHU Bordeaux, Pellegrin Hospital, 33076, Bordeaux, France
| | - Raj P Kapur
- Department of Pathology, Seattle Children's Hospital and University of Washington, 4800 Sand Point Way NE, Seattle, WA, 98105, USA
| | - Melanie Parisot
- Genomics Core Facility, Institut Imagine-Structure Federative de Recherche Necker, INSERM U1163 and INSERM US24/CNRS UMS3633, 24 bvd Montparnasse, 75015, Paris, France
| | - Jeanne Amiel
- Laboratory of Embryology and Genetics of Human Malformation, Imagine Institute, INSERM UMR 1163, Universite Paris Descartes-Universite de Paris, Paris, France
| | - Sylvie Dufour
- INSERM, U955, Equipe 06, 8, rue du General Sarrail, 94010, Creteil Cedex, France.,Faculte de Medecine, Universite Paris Est, 94000, Creteil, France
| | | | - Veronique Pingault
- Laboratory of Embryology and Genetics of Human Malformation, Imagine Institute, INSERM UMR 1163, Universite Paris Descartes-Universite de Paris, Paris, France.,Service de Genetique Moleculaire, Hopital Necker-Enfants-Malades, 149 rue de Sevres, 75015, Paris, France
| | - Jean Michel Vallat
- Department of Neurology, Centre de Reference Neuropathies Peripheriques Rares, 2 avenue Martin-Luther-King, 87042, Limoges, France
| | - Nadege Bondurand
- Laboratory of Embryology and Genetics of Human Malformation, Imagine Institute, INSERM UMR 1163, Universite Paris Descartes-Universite de Paris, Paris, France. .,INSERM, U955, Equipe 06, 8, rue du General Sarrail, 94010, Creteil Cedex, France.
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13
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Etchevers HC, Dupin E, Le Douarin NM. The diverse neural crest: from embryology to human pathology. Development 2019; 146:146/5/dev169821. [PMID: 30858200 DOI: 10.1242/dev.169821] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Accepted: 02/07/2019] [Indexed: 01/13/2023]
Abstract
We review here some of the historical highlights in exploratory studies of the vertebrate embryonic structure known as the neural crest. The study of the molecular properties of the cells that it produces, their migratory capacities and plasticity, and the still-growing list of tissues that depend on their presence for form and function, continue to enrich our understanding of congenital malformations, paediatric cancers and evolutionary biology. Developmental biology has been key to our understanding of the neural crest, starting with the early days of experimental embryology and through to today, when increasingly powerful technologies contribute to further insight into this fascinating vertebrate cell population.
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Affiliation(s)
- Heather C Etchevers
- Aix-Marseille Université, INSERM, MMG, U1251, 27 boulevard Jean Moulin 13005 Marseille, France
| | - Elisabeth Dupin
- Sorbonne Universités, UPMC Paris 06, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, 75012 Paris, France
| | - Nicole M Le Douarin
- Sorbonne Universités, UPMC Paris 06, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, 75012 Paris, France
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14
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Replogle MR, Sreevidya VS, Lee VM, Laiosa MD, Svoboda KR, Udvadia AJ. Establishment of a murine culture system for modeling the temporal progression of cranial and trunk neural crest cell differentiation. Dis Model Mech 2018; 11:dmm.035097. [PMID: 30409814 PMCID: PMC6307900 DOI: 10.1242/dmm.035097] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Accepted: 10/30/2018] [Indexed: 12/16/2022] Open
Abstract
The neural crest (NC) is a transient population of embryonic progenitors that are implicated in a diverse range of congenital birth defects and pediatric syndromes. The broad spectrum of NC-related disorders can be attributed to the wide variety of differentiated cell types arising from the NC. In vitro models of NC development provide a powerful platform for testing the relative contributions of intrinsic and extrinsic factors mediating NC differentiation under normal and pathogenic conditions. Although differentiation is a dynamic process that unfolds over time, currently, there is no well-defined chronology that characterizes the in vitro progression of NC differentiation towards specific cell fates. In this study, we have optimized culture conditions for expansion of primary murine NC cells that give rise to both ectodermal and mesoectodermal derivatives, even after multiple passages. Significantly, we have delineated highly reproducible timelines that include distinct intermediate stages for lineage-specific NC differentiation in vitro. In addition, isolating both cranial and trunk NC cells from the same embryos enabled us to make direct comparisons between the two cell populations over the course of differentiation. Our results define characteristic changes in cell morphology and behavior that track the temporal progression of NC cells as they differentiate along the neuronal, glial and chondrogenic lineages in vitro. These benchmarks constitute a chronological baseline for assessing how genetic or environmental disruptions may facilitate or impede NC differentiation. Introducing a temporal dimension substantially increases the power of this platform for screening drugs or chemicals for developmental toxicity or therapeutic potential.
This article has an associated First Person interview with the first author of the paper. Summary: A novel method for isolating and expanding primary neural crest cells, and establishment of reproducible temporal benchmarks of differentiation, provides a potential screening platform for developmental toxicity or therapeutic capacity.
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Affiliation(s)
- Maria R Replogle
- Department of Biological Sciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA
| | - Virinchipuram S Sreevidya
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA
| | - Vivian M Lee
- STEMCELL Technologies, Vancouver, BC V6A 1BC, Canada
| | - Michael D Laiosa
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA
| | - Kurt R Svoboda
- Joseph J. Zilber School of Public Health, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA
| | - Ava J Udvadia
- Department of Biological Sciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53201, USA
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15
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Tang CS, Zhuang X, Lam WY, Ngan ESW, Hsu JS, Michelle YU, Man-Ting SO, Cherny SS, Ngo ND, Sham PC, Tam PK, Garcia-Barcelo MM. Uncovering the genetic lesions underlying the most severe form of Hirschsprung disease by whole-genome sequencing. Eur J Hum Genet 2018; 26:818-826. [PMID: 29483666 PMCID: PMC5974185 DOI: 10.1038/s41431-018-0129-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2017] [Revised: 02/02/2018] [Accepted: 02/13/2018] [Indexed: 11/08/2022] Open
Abstract
Hirschsprung disease (HSCR) is a complex birth defect characterized by the lack of ganglion cells along a variable length of the distal intestine. A large proportion of HSCR patients remain genetically unexplained. We applied whole-genome sequencing (WGS) on 9 trios where the probands are sporadically affected with the most severe form of the disorder and harbor no coding sequence variants affecting the function of known HSCR genes. We found de novo protein-altering variants in three intolerant to change genes-CCT2, VASH1, and CYP26A1-for which a plausible link with the enteric nervous system (ENS) exists. De novo single-nucleotide and indel variants were present in introns and non-coding neighboring regions of ENS-related genes, including NRG1 and ERBB4. Joint analysis with those inherited rare variants found under recessive and/or digenic models revealed both patient-unique and shared genetic features where rare variants were found to be enriched in the extracellular matrix-receptor (ECM-receptor) pathway (p = 3.4 × 10-11). Delineation of the genetic profile of each patient might help finding common grounds that could lead to the discovery of shared molecules that could be used as drug targets for the currently ongoing cell therapy effort which aims at providing an alternative to the surgical treatment.
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Affiliation(s)
- Clara Sm Tang
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
- Dr. Li Dak-Sum Research Centre, The University of Hong Kong - Karolinska Institutet Collaboration in Regenerative Medicine, Hong Kong, Hong Kong
| | - Xuehan Zhuang
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
| | - Wai-Yee Lam
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
| | - Elly Sau-Wai Ngan
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
| | - Jacob Shujui Hsu
- Department of Psychiatry, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
| | - Y U Michelle
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
| | - S O Man-Ting
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
| | - Stacey S Cherny
- Department of Psychiatry, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
- Centre for Genomic Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
| | | | - Pak C Sham
- Department of Psychiatry, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
- Centre for Genomic Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
| | - Paul Kh Tam
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong
- Dr. Li Dak-Sum Research Centre, The University of Hong Kong - Karolinska Institutet Collaboration in Regenerative Medicine, Hong Kong, Hong Kong
| | - Maria-Mercè Garcia-Barcelo
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, Hong Kong.
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16
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Debbache J, Parfejevs V, Sommer L. Cre-driver lines used for genetic fate mapping of neural crest cells in the mouse: An overview. Genesis 2018; 56:e23105. [PMID: 29673028 PMCID: PMC6099459 DOI: 10.1002/dvg.23105] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 03/23/2018] [Accepted: 03/26/2018] [Indexed: 01/01/2023]
Abstract
The neural crest is one of the embryonic structures with the broadest developmental potential in vertebrates. Morphologically, neural crest cells emerge during neurulation in the dorsal folds of the neural tube before undergoing an epithelial‐to‐mesenchymal transition (EMT), delaminating from the neural tube, and migrating to multiple sites in the growing embryo. Neural crest cells generate cell types as diverse as peripheral neurons and glia, melanocytes, and so‐called mesectodermal derivatives that include craniofacial bone and cartilage and smooth muscle cells in cardiovascular structures. In mice, the fate of neural crest cells has been determined mainly by means of transgenesis and genome editing technologies. The most frequently used method relies on the Cre‐loxP system, in which expression of Cre‐recombinase in neural crest cells or their derivatives genetically enables the expression of a Cre‐reporter allele, thus permanently marking neural crest‐derived cells. Here, we provide an overview of the Cre‐driver lines used in the field and discuss to what extent these lines allow precise neural crest stage and lineage‐specific fate mapping.
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Affiliation(s)
- Julien Debbache
- Stem Cell Biology, Institute of Anatomy, University of Zurich, Zurich, CH-8057, Switzerland
| | - Vadims Parfejevs
- Stem Cell Biology, Institute of Anatomy, University of Zurich, Zurich, CH-8057, Switzerland
| | - Lukas Sommer
- Stem Cell Biology, Institute of Anatomy, University of Zurich, Zurich, CH-8057, Switzerland
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17
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Vahedi-Hunter TA, Estep JA, Rosette KA, Rutlin ML, Wright KM, Riccomagno MM. Cas Adaptor Proteins Coordinate Sensory Axon Fasciculation. Sci Rep 2018; 8:5996. [PMID: 29662228 PMCID: PMC5902548 DOI: 10.1038/s41598-018-24261-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 03/29/2018] [Indexed: 11/09/2022] Open
Abstract
Development of complex neural circuits like the peripheral somatosensory system requires intricate mechanisms to ensure axons make proper connections. While much is known about ligand-receptor pairs required for dorsal root ganglion (DRG) axon guidance, very little is known about the cytoplasmic effectors that mediate cellular responses triggered by these guidance cues. Here we show that members of the Cas family of cytoplasmic signaling adaptors are highly phosphorylated in central projections of the DRG as they enter the spinal cord. Furthermore, we provide genetic evidence that Cas proteins regulate fasciculation of DRG sensory projections. These data establish an evolutionarily conserved requirement for Cas adaptor proteins during peripheral nervous system axon pathfinding. They also provide insight into the interplay between axonal fasciculation and adhesion to the substrate.
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Affiliation(s)
- Tyler A Vahedi-Hunter
- Neuroscience Program, Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, 92521, USA
| | - Jason A Estep
- Cell, Molecular and Developmental Biology Program, Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, 92521, USA
| | - Kylee A Rosette
- Vollum Institute, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Michael L Rutlin
- Department of Biochemistry and Molecular Biophysics, Columbia College of Physicians and Surgeons, Columbia University, New York, New York, 10032, USA
| | - Kevin M Wright
- Vollum Institute, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Martin M Riccomagno
- Neuroscience Program, Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, 92521, USA. .,Cell, Molecular and Developmental Biology Program, Department of Molecular, Cell and Systems Biology, University of California, Riverside, CA, 92521, USA.
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18
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Congenital heart disease and aortic arch variants associated with mutation in PHOX2B. Genet Med 2018. [DOI: 10.1038/gim.2018.34] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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19
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Matsuwaki T, Shionoya K, Ihnatko R, Eskilsson A, Kakuta S, Dufour S, Schwaninger M, Waisman A, Müller W, Pinteaux E, Engblom D, Blomqvist A. Involvement of interleukin-1 type 1 receptors in lipopolysaccharide-induced sickness responses. Brain Behav Immun 2017; 66:165-176. [PMID: 28655587 DOI: 10.1016/j.bbi.2017.06.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 06/15/2017] [Accepted: 06/23/2017] [Indexed: 12/17/2022] Open
Abstract
Sickness responses to lipopolysaccharide (LPS) were examined in mice with deletion of the interleukin (IL)-1 type 1 receptor (IL-1R1). IL-1R1 knockout (KO) mice displayed intact anorexia and HPA-axis activation to intraperitoneally injected LPS (anorexia: 10 or 120µg/kg; HPA-axis: 120µg/kg), but showed attenuated but not extinguished fever (120µg/kg). Brain PGE2 synthesis was attenuated, but Cox-2 induction remained intact. Neither the tumor necrosis factor-α (TNFα) inhibitor etanercept nor the IL-6 receptor antibody tocilizumab abolished the LPS induced fever in IL-1R1 KO mice. Deletion of IL-1R1 specifically in brain endothelial cells attenuated the LPS induced fever, but only during the late, 3rd phase of fever, whereas deletion of IL-1R1 on neural cells or on peripheral nerves had little or no effect on the febrile response. We conclude that while IL-1 signaling is not critical for LPS induced anorexia or stress hormone release, IL-1R1, expressed on brain endothelial cells, contributes to the febrile response to LPS. However, also in the absence of IL-1R1, LPS evokes a febrile response, although this is attenuated. This remaining fever seems not to be mediated by IL-6 receptors or TNFα, but by some yet unidentified pyrogenic factor.
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Affiliation(s)
- Takashi Matsuwaki
- Department of Clinical and Experimental Medicine, Linköping University, 581 85 Linköping, Sweden; Department of Veterinary Physiology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Kiseko Shionoya
- Department of Clinical and Experimental Medicine, Linköping University, 581 85 Linköping, Sweden
| | - Robert Ihnatko
- Department of Clinical and Experimental Medicine, Linköping University, 581 85 Linköping, Sweden
| | - Anna Eskilsson
- Department of Clinical and Experimental Medicine, Linköping University, 581 85 Linköping, Sweden
| | - Shigeru Kakuta
- Department of Biomedical Science, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | | | - Markus Schwaninger
- Institute of Experimental and Clinical Pharmacology and Toxicology, University of Lübeck, 23538 Lübeck, Germany
| | - Ari Waisman
- Institute for Molecular Medicine, University Medical Center of the Johannes Gutenberg University Mainz, 55131 Mainz, Germany
| | - Werner Müller
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PT, United Kingdom
| | - Emmanuel Pinteaux
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PT, United Kingdom
| | - David Engblom
- Department of Clinical and Experimental Medicine, Linköping University, 581 85 Linköping, Sweden
| | - Anders Blomqvist
- Department of Clinical and Experimental Medicine, Linköping University, 581 85 Linköping, Sweden.
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20
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Zurkirchen L, Sommer L. Quo vadis: tracing the fate of neural crest cells. Curr Opin Neurobiol 2017; 47:16-23. [PMID: 28753439 DOI: 10.1016/j.conb.2017.07.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 06/30/2017] [Accepted: 07/03/2017] [Indexed: 12/16/2022]
Abstract
The neural crest is a transient structure in vertebrate embryos that produces migratory cells with an astonishing developmental potential. While neural crest fate maps have originally been established through interspecies transplantation assays, dye labeling, and retroviral infection, more recent methods rely on approaches involving transgenesis and genome editing. These technologies allowed the identification of minor neural crest-derived cell populations in tissues of non-neural crest origin. Furthermore, in vivo multipotency at the single cell level and stage-dependent fate acquisitions were demonstrated using genetic technologies. Finally, recent reports indicate that neural crest-derived cells become activated in response to injury to secrete factors supporting tissue repair. Thus, neural crest-derived cells apparently contribute to tissue formation and regeneration by cell autonomous and non-autonomous mechanisms.
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Affiliation(s)
- Luis Zurkirchen
- Stem Cell Biology, Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland
| | - Lukas Sommer
- Stem Cell Biology, Institute of Anatomy, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland.
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21
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22
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Huettl RE, Huber AB. Characterizing Semaphorin-Mediated Effects on Sensory and Motor Axon Pathfinding and Connectivity During Embryonic Development. Methods Mol Biol 2017; 1493:443-466. [PMID: 27787870 DOI: 10.1007/978-1-4939-6448-2_32] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
How are precise connectivity to peripheral targets and corresponding sensory-motor networks established during developmental innervation of the vertebrate extremities? The formation of functional sensory-motor circuits requires highly appropriate temporal and spatial regulation of axon growth which is achieved through the combination of different molecular mechanisms such as communication between heterotypic fiber systems, axon-environment, or axon-glia interactions that ensure proper fasciculation and accurate pathfinding to distal targets. Family members of the class 3 semaphorins and their cognate receptors, the neuropilins, were shown to govern various events during wiring of central and peripheral circuits, with mice lacking Sema3-Npn signaling showing deficits in timing of growth, selective fasciculation, guidance fidelity, and coupling of sensory axon growth to motor axons at developmental time points. Given the accuracy with which these processes have to interact in a stepwise manner, deficiency of the smallest cog in the wheel may impact severely on the faithful establishment and functionality of peripheral circuitries, ultimately leading to behavioral impairments or even cause the death of the animal. Reliable quantitative analyses of sensory-motor fasciculation, extension, and guidance of axons to their cognate target muscles and the skin during development, but also assessment of physiological and behavioral consequences at adult age, are therefore a necessity to extend our understanding of the molecular mechanisms of peripheral circuit formation. In this chapter we provide a detailed methodology to characterize class 3 semaphorin-mediated effects on peripheral sensory and motor axon pathfinding and connectivity during embryonic development.
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Affiliation(s)
- Rosa Eva Huettl
- Helmholtz Zentrum München, German Research Center for Environmental Health, Institute of Developmental Genetics, Ingolstädter Landstraße 1, 85764, Neuherberg, Germany
| | - Andrea B Huber
- Helmholtz Zentrum München, German Research Center for Environmental Health, Institute of Developmental Genetics, Ingolstädter Landstraße 1, 85764, Neuherberg, Germany.
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23
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Ueharu H, Yoshida S, Kikkawa T, Kanno N, Higuchi M, Kato T, Osumi N, Kato Y. Gene tracing analysis reveals the contribution of neural crest-derived cells in pituitary development. J Anat 2016; 230:373-380. [PMID: 28026856 PMCID: PMC5314385 DOI: 10.1111/joa.12572] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/04/2016] [Indexed: 12/28/2022] Open
Abstract
The anterior pituitary originates from the adenohypophyseal placode. Both the preplacode region and neural crest (NC) derive from subdivision of the neural border region, and further individualization of the placode domain is established by a reciprocal interaction between placodal precursors and NC cells (NCCs). It has long been known that NCCs are present in the adenohypophysis as interstitial cells. A recent report demonstrated that NCCs also contribute to the formation of pericytes in the developing pituitary. Here, we attempt to further clarify the role of NCCs in pituitary development using P0‐Cre/EGFP reporter mice. Spatiotemporal analyses revealed that GFP‐positive NCCs invaded the adenohypophysis in a stepwise manner. The first wave was detected on mouse embryonic day 9.5 (E9.5), when the pituitary primordium begins to be formed by adenohypophyseal placode cells; the second wave occurred on E14.5, when vasculogenesis proceeds from Atwell's recess. Finally, fate tracing of NCCs demonstrated that NC‐derived cells in the adenohypophysis terminally differentiate into all hormone‐producing cell lineages as well as pericytes. Our data suggest that NCCs contribute to pituitary organogenesis and vasculogenesis in conjunction with placode‐derived pituitary stem/progenitor cells.
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Affiliation(s)
- Hiroki Ueharu
- Division of Life Science, Graduate School of Agriculture, Meiji University, Kawasaki, Kanagawa, Japan
| | - Saishu Yoshida
- Institute for Reproduction and Endocrinology, Meiji University, Kawasaki, Kanagawa, Japan
| | - Takako Kikkawa
- Department of Developmental Neuroscience, Center for Translational and Advanced Animal Research, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Naoko Kanno
- Division of Life Science, Graduate School of Agriculture, Meiji University, Kawasaki, Kanagawa, Japan
| | - Masashi Higuchi
- Institute for Reproduction and Endocrinology, Meiji University, Kawasaki, Kanagawa, Japan
| | - Takako Kato
- Institute for Reproduction and Endocrinology, Meiji University, Kawasaki, Kanagawa, Japan
| | - Noriko Osumi
- Department of Developmental Neuroscience, Center for Translational and Advanced Animal Research, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
| | - Yukio Kato
- Division of Life Science, Graduate School of Agriculture, Meiji University, Kawasaki, Kanagawa, Japan.,Institute for Reproduction and Endocrinology, Meiji University, Kawasaki, Kanagawa, Japan.,Department of Life Science, School of Agriculture, Meiji University, Kawasaki, Kanagawa, Japan
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Endothelin-3 stimulates cell adhesion and cooperates with β1-integrins during enteric nervous system ontogenesis. Sci Rep 2016; 6:37877. [PMID: 27905407 PMCID: PMC5131347 DOI: 10.1038/srep37877] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Accepted: 10/31/2016] [Indexed: 11/30/2022] Open
Abstract
Endothelin-3 (EDN3) and β1-integrins are required for the colonization of the embryonic gut by enteric neural crest cells (ENCCs) to form the enteric nervous system (ENS). β1-integrin-null ENCCs exhibit migratory defects in a region of the gut enriched in EDN3 and in specific extracellular matrix (ECM) proteins. We investigated the putative role of EDN3 on ENCC adhesion properties and its functional interaction with β1-integrins during ENS development. We show that EDN3 stimulates ENCC adhesion to various ECM components in vitro. It induces rapid changes in ENCC shape and protrusion dynamics favouring sustained growth and stabilization of lamellipodia, a process coincident with the increase in the number of focal adhesions and activated β1-integrins. In vivo studies and ex-vivo live imaging revealed that double mutants for Itgb1 and Edn3 displayed a more severe enteric phenotype than either of the single mutants demonstrated by alteration of the ENS network due to severe migratory defects of mutant ENCCs taking place early during the ENS development. Altogether, our results highlight the interplay between the EDN3 and β1-integrin signalling pathways during ENS ontogenesis and the role of EDN3 in ENCC adhesion.
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Creuzet SE, Viallet JP, Ghawitian M, Torch S, Thélu J, Alrajeh M, Radu AG, Bouvard D, Costagliola F, Borgne ML, Buchet-Poyau K, Aznar N, Buschlen S, Hosoya H, Thibert C, Billaud M. LKB1 signaling in cephalic neural crest cells is essential for vertebrate head development. Dev Biol 2016; 418:283-96. [DOI: 10.1016/j.ydbio.2016.08.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 07/19/2016] [Accepted: 08/06/2016] [Indexed: 11/25/2022]
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Control of the collective migration of enteric neural crest cells by the Complement anaphylatoxin C3a and N-cadherin. Dev Biol 2016; 414:85-99. [PMID: 27041467 PMCID: PMC4937886 DOI: 10.1016/j.ydbio.2016.03.022] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Revised: 03/09/2016] [Accepted: 03/09/2016] [Indexed: 12/25/2022]
Abstract
We analyzed the cellular and molecular mechanisms governing the adhesive and migratory behavior of enteric neural crest cells (ENCCs) during their collective migration within the developing mouse gut. We aimed to decipher the role of the complement anaphylatoxin C3a during this process, because this well-known immune system attractant has been implicated in cephalic NCC co-attraction, a process controlling directional migration. We used the conditional Ht-PA-cre transgenic mouse model allowing a specific ablation of the N-cadherin gene and the expression of a fluorescent reporter in migratory ENCCs without affecting the central nervous system. We performed time-lapse videomicroscopy of ENCCs from control and N-cad-herin mutant gut explants cultured on fibronectin (FN) and micropatterned FN-stripes with C3a or C3aR antagonist, and studied cell migration behavior with the use of triangulation analysis to quantify cell dispersion. We performed ex vivo gut cultures with or without C3aR antagonist to determine the effect on ENCC behavior. Confocal microscopy was used to analyze the cell-matrix adhesion properties. We provide the first demonstration of the localization of the complement anaphylatoxin C3a and its receptor on ENCCs during their migration in the embryonic gut. C3aR receptor inhibition alters ENCC adhesion and migration, perturbing directionality and increasing cell dispersion both in vitro and ex vivo. N-cad-herin-null ENCCs do not respond to C3a co-attraction. These findings indicate that C3a regulates cell migration in a N-cadherin-dependent process. Our results shed light on the role of C3a in regulating collective and directional cell migration, and in ganglia network organization during enteric nervous system ontogenesis. The detection of an immune system chemokine in ENCCs during ENS development may also shed light on new mechanisms for gastrointestinal disorders.
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Bouilloux F, Thireau J, Ventéo S, Farah C, Karam S, Dauvilliers Y, Valmier J, Copeland NG, Jenkins NA, Richard S, Marmigère F. Loss of the transcription factor Meis1 prevents sympathetic neurons target-field innervation and increases susceptibility to sudden cardiac death. eLife 2016; 5. [PMID: 26857994 PMCID: PMC4760953 DOI: 10.7554/elife.11627] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Accepted: 12/28/2015] [Indexed: 12/13/2022] Open
Abstract
Although cardio-vascular incidents and sudden cardiac death (SCD) are among the leading causes of premature death in the general population, the origins remain unidentified in many cases. Genome-wide association studies have identified Meis1 as a risk factor for SCD. We report that Meis1 inactivation in the mouse neural crest leads to an altered sympatho-vagal regulation of cardiac rhythmicity in adults characterized by a chronotropic incompetence and cardiac conduction defects, thus increasing the susceptibility to SCD. We demonstrated that Meis1 is a major regulator of sympathetic target-field innervation and that Meis1 deficient sympathetic neurons die by apoptosis from early embryonic stages to perinatal stages. In addition, we showed that Meis1 regulates the transcription of key molecules necessary for the endosomal machinery. Accordingly, the traffic of Rab5+ endosomes is severely altered in Meis1-inactivated sympathetic neurons. These results suggest that Meis1 interacts with various trophic factors signaling pathways during postmitotic neurons differentiation. DOI:http://dx.doi.org/10.7554/eLife.11627.001 Nerve cells called sympathetic neurons can control the activity of almost all of our organs without any conscious thought on our part. For example, these nerve cells are responsible for accelerating the heart rate during exercise. In a developing embryo, there are initially more of these neurons than are needed, and only those that develop correctly and form a connection with a target cell will survive. This is because the target cells provide the growing neurons with vital molecules called neurotrophins, which are trafficked back along the nerve fiber and into the main body of the nerve cell to ensure its survival. However, it is largely unknown which proteins or genes are also involved in this developmental process. Now, Bouilloux, Thireau et al. show that if a gene called Meis1 is inactivated in mice, the sympathetic neurons start to develop and grow nerve fibers, but then fail to establish connections with their target cells and finally die. The Meis1 gene encodes a transcription factor, which is a protein that regulates gene activity. Therefore, Bouilloux, Thireau et al. looked for the genes that are regulated by this transcription factor in sympathetic neurons. This search uncovered several genes that are involved in the packaging and trafficking of molecules within cells. Other experiments then revealed that the trafficking of molecules back along the nerve fiber was altered in mutant neurons in which the Meis1 gene had been inactivated. Furthermore, Meis1 mutant mice had problems with their heart rate, especially during exercise, and an increased risk of dying from a sudden cardiac arrest. These findings reveal a transcription factor that helps to establish a connection between a neuron and its target, and that activates a pattern of gene expression that works alongside the neurotrophin-based signals. Since all neurons undergo similar processes during development, future work could ask if comparable patterns of gene expression exist in other types of neurons, and if problems with such processes contribute to some neurodegenerative diseases. DOI:http://dx.doi.org/10.7554/eLife.11627.002
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Affiliation(s)
- Fabrice Bouilloux
- Institute for Neurosciences of Montpellier, Institut national de la santé et de la recherche médicale, Montpellier, France
| | - Jérôme Thireau
- Physiologie et Médecine Expérimentale du cœur et des Muscles, INSERM U1046, CNRS UMR 9214, University of Montpellier, Montpellier, France
| | - Stéphanie Ventéo
- Institute for Neurosciences of Montpellier, Institut national de la santé et de la recherche médicale, Montpellier, France
| | - Charlotte Farah
- Physiologie et Médecine Expérimentale du cœur et des Muscles, INSERM U1046, CNRS UMR 9214, University of Montpellier, Montpellier, France
| | - Sarah Karam
- Physiologie et Médecine Expérimentale du cœur et des Muscles, INSERM U1046, CNRS UMR 9214, University of Montpellier, Montpellier, France
| | - Yves Dauvilliers
- Sleep Unit, Department of Neurology, Gui-de-Chauliac hospital, Montpellier, France
| | - Jean Valmier
- Institute for Neurosciences of Montpellier, Institut national de la santé et de la recherche médicale, Montpellier, France
| | - Neal G Copeland
- Cancer Research Program, The Methodist Hospital Research Institute, Houston, United States
| | - Nancy A Jenkins
- Cancer Research Program, The Methodist Hospital Research Institute, Houston, United States
| | - Sylvain Richard
- Physiologie et Médecine Expérimentale du cœur et des Muscles, INSERM U1046, CNRS UMR 9214, University of Montpellier, Montpellier, France
| | - Frédéric Marmigère
- Institute for Neurosciences of Montpellier, Institut national de la santé et de la recherche médicale, Montpellier, France
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Kyrylkova K, Iwaniec UT, Philbrick KA, Leid M. BCL11B regulates sutural patency in the mouse craniofacial skeleton. Dev Biol 2015; 415:251-260. [PMID: 26453795 DOI: 10.1016/j.ydbio.2015.10.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 09/19/2015] [Accepted: 10/06/2015] [Indexed: 12/11/2022]
Abstract
The transcription factor BCL11B plays essential roles during development of the immune, nervous, and cutaneous systems. Here we show that BCL11B is expressed in both osteogenic and sutural mesenchyme of the developing craniofacial complex. Bcl11b(-/-) mice exhibit increased proliferation of osteoprogenitors, premature osteoblast differentiation, and enhanced skull mineralization leading to synostoses of facial and calvarial sutures. Ectopic expression of Fgfr2c, a gene implicated in craniosynostosis in mice and humans, and that of Runx2 was detected within the affected sutures of Bcl11b(-/-) mice. These data suggest that ectopic expression of Fgfr2c in the sutural mesenchyme, without concomitant changes in the expression of FGF ligands, appears to induce the RUNX2-dependent osteogenic program and craniosynostosis in Bcl11b(-/-) mice.
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Affiliation(s)
| | - Urszula T Iwaniec
- Skeletal Biology Laboratory, School of Biological and Population Health Sciences, Oregon State University, Corvallis, OR 97331, USA
| | | | - Mark Leid
- Department of Pharmaceutical Sciences, College of Pharmacy, USA; Department of Integrative Biosciences, Oregon Health & Science University, Portland, OR 97201, USA.
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Zeb family members and boundary cap cells underlie developmental plasticity of sensory nociceptive neurons. Dev Cell 2015; 33:343-50. [PMID: 25942625 DOI: 10.1016/j.devcel.2015.03.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 01/19/2015] [Accepted: 03/25/2015] [Indexed: 11/20/2022]
Abstract
Dorsal root ganglia (DRG) sensory neurons arise from heterogeneous precursors that differentiate in two neurogenic waves, respectively controlled by Neurog2 and Neurog1. We show here that transgenic mice expressing a Zeb1/2 dominant-negative form (DBZEB) exhibit reduced numbers of nociceptors and altered pain sensitivity. This reflects an early impairment of Neurog1-dependent neurogenesis due to the depletion of specific sensory precursor pools, which is slightly later partially compensated by the contribution of boundary cap cells (BCCs). Indeed, combined DBZEB expression and genetic BCCs ablation entirely deplete second wave precursors and, in turn, nociceptors, thus recapitulating the Neurog1(-/-) neuronal phenotype. Altogether, our results uncover roles for Zeb family members in the developing DRGs; they show that the Neurog1-dependent sensory neurogenesis can be functionally partitioned in two successive phases; and finally, they illustrate plasticity in the developing peripheral somatosensory system supported by the BCCs, thereby providing a rationale for sensory precursor diversity.
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Ogawa Y, Eto A, Miyake C, Tsuchida N, Miyake H, Takaku Y, Hagiwara H, Oishi K. Induced Pluripotent Stem Cells Generated from P0-Cre;Z/EG Transgenic Mice. PLoS One 2015; 10:e0138620. [PMID: 26382630 PMCID: PMC4575135 DOI: 10.1371/journal.pone.0138620] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2015] [Accepted: 09/01/2015] [Indexed: 11/22/2022] Open
Abstract
Neural crest (NC) cells are a migratory, multipotent cell population that arises at the neural plate border, and migrate from the dorsal neural tube to their target tissues, where they differentiate into various cell types. Abnormal development of NC cells can result in severe congenital birth defects. Because only a limited number of cells can be obtained from an embryo, mechanistic studies are difficult to perform with directly isolated NC cells. Protein zero (P0) is expressed by migrating NC cells during the early embryonic period. In the P0-Cre;Z/EG transgenic mouse, transient activation of the P0 promoter induces Cre-mediated recombination, indelibly tagging NC-derived cells with enhanced green fluorescent protein (EGFP). Induced pluripotent stem cell (iPSC) technology offers new opportunities for both mechanistic studies and development of stem cell-based therapies. Here, we report the generation of iPSCs from the P0-Cre;Z/EG mouse. P0-Cre;Z/EG mouse-derived iPSCs (P/G-iPSCs) exhibited pluripotent stem cell properties. In lineage-directed differentiation studies, P/G-iPSCs were efficiently differentiated along the neural lineage while expressing EGFP. These results suggest that P/G-iPSCs are useful to study NC development and NC-associated diseases.
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Affiliation(s)
- Yasuhiro Ogawa
- Department of Pharmacology, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204–8588, Japan
| | - Akira Eto
- Department of Pharmacology, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204–8588, Japan
| | - Chisato Miyake
- Department of Pharmacology, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204–8588, Japan
| | - Nana Tsuchida
- Department of Pharmacology, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204–8588, Japan
| | - Haruka Miyake
- Department of Pharmacology, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204–8588, Japan
| | - Yasuhiro Takaku
- Department of Pharmacology, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204–8588, Japan
| | - Hiroaki Hagiwara
- Department of Pharmacology, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204–8588, Japan
| | - Kazuhiko Oishi
- Department of Pharmacology, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo, 204–8588, Japan
- * E-mail:
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He F, Soriano P. Sox10ER(T2) CreER(T2) mice enable tracing of distinct neural crest cell populations. Dev Dyn 2015; 244:1394-403. [PMID: 26250625 DOI: 10.1002/dvdy.24320] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 07/28/2015] [Accepted: 07/28/2015] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Neural crest cells play an important role in craniofacial morphogenesis and many other developmental processes. The formation of neural crest cells (NCCs) in vivo is a highly dynamic process and remains to be fully understood. RESULTS To investigate the spatiotemporal patterning of NCCs in vivo, we have generated Sox10ER(T2) CreER(T2) (SECE) mice, a transgenic line driving inducible Cre expression in NCCs. Inducing Cre activity at different stages triggered reporter expression in distinct NCC populations in SECE; R26R mice. By optimizing the timing and dosage of tamoxifen administration, we controlled Cre expression specifically in cranial NCCs. Using this approach, we demonstrate an important role for PDGFRα in cranial NCCs mitosis within the mandibular processes. Further reducing Cre activity within the cranial NCCs of SECE; R26R embryos revealed that SECE labels preferentially progenitors of medial nasal process (MNP) rather than the lateral nasal process (LNP), before their formation from the frontonasal prominence (FNP). CONCLUSIONS Our results indicate that NCCs are formed sequentially from rostral to caudal regions along the neural tube. These findings also suggest that NCCs within the FNP become specified regionally and genetically before they divide into MNP and LNP.
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Affiliation(s)
- Fenglei He
- Department of Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Philippe Soriano
- Department of Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, New York
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Hirabayashi K, Hanaoka K, Takayanagi T, Toki Y, Egawa T, Kamiya M, Komatsu T, Ueno T, Terai T, Yoshida K, Uchiyama M, Nagano T, Urano Y. Analysis of chemical equilibrium of silicon-substituted fluorescein and its application to develop a scaffold for red fluorescent probes. Anal Chem 2015; 87:9061-9. [PMID: 26237524 DOI: 10.1021/acs.analchem.5b02331] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Fluorescein is a representative green fluorophore that has been widely used as a scaffold of practically useful green fluorescent probes. Here, we report synthesis and characterization of a silicon-substituted fluorescein, i.e., 2-COOH TokyoMagenta (2-COOH TM), which is a fluorescein analogue in which the O atom at the 10' position of the xanthene moiety of fluorescein is replaced with a Si atom. This fluorescein analogue forms a spirolactone ring via intramolecular nucleophilic attack of the carboxylic group in a pH-dependent manner. Consequently, 2-COOH TM exhibits characteristic large pH-dependent absorption and fluorescence spectral changes: (1) 2-COOH TM is colorless at acidic pH, whereas fluorescein retains observable absorption and fluorescence even at acidic pH, and the absorption maximum is also shifted; (2) the absorption spectral change occurs above pH 7.0 for 2-COOH TM and below pH 7.0 for fluorescein; (3) 2-COOH TM shows a much sharper pH response than fluorescein because of its pKa inversion, i.e., pKa1 > pKa2. These features are also different from those of a compound without the carboxylic group, 2-Me TokyoMagenta (2-Me TM). Analysis of the chemical equilibrium between pH 3.0 and 11.0 disclosed that 2-COOH TM favors the colorless and nonfluorescent lactone form, compared with fluorescein. Substitution of Cl atoms at the 4' and 5' positions of the xanthene moiety of 2-COOH TM to obtain 2-COOH DCTM shifted the equilibrium so that the new derivative exists predominantly in the strongly fluorescent open form at physiological pH (pH 7.4). To demonstrate the practical utility of 2-COOH DCTM as a novel scaffold for red fluorescent probes, we employed it to develop a probe for β-galactosidase.
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Affiliation(s)
| | | | - Toshio Takayanagi
- Department of Life System, Institute of Technology and Science, The University of Tokushima , 2-1 Minami-josanjima, Tokushima 770-8506, Japan
| | | | | | | | | | | | | | - Kengo Yoshida
- Elements Chemistry Laboratory, and Advanced Elements Chemistry Research Team, Riken Center for Sustainable Resource Science, RIKEN , 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - Masanobu Uchiyama
- Elements Chemistry Laboratory, and Advanced Elements Chemistry Research Team, Riken Center for Sustainable Resource Science, RIKEN , 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
| | - Tetsuo Nagano
- Drug Discovery Initiative, The University of Tokyo , Tokyo 113-0033, Japan
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Aoto K, Sandell LL, Butler Tjaden NE, Yuen KC, Watt KEN, Black BL, Durnin M, Trainor PA. Mef2c-F10N enhancer driven β-galactosidase (LacZ) and Cre recombinase mice facilitate analyses of gene function and lineage fate in neural crest cells. Dev Biol 2015; 402:3-16. [PMID: 25794678 PMCID: PMC4433593 DOI: 10.1016/j.ydbio.2015.02.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 02/24/2015] [Accepted: 02/25/2015] [Indexed: 10/23/2022]
Abstract
Neural crest cells (NCC) comprise a multipotent, migratory stem cell and progenitor population that gives rise to numerous cell and tissue types within a developing embryo, including craniofacial bone and cartilage, neurons and glia of the peripheral nervous system, and melanocytes within the skin. Here we describe two novel stable transgenic mouse lines suitable for lineage tracing and analysis of gene function in NCC. Firstly, using the F10N enhancer of the Mef2c gene (Mef2c-F10N) linked to LacZ, we generated transgenic mice (Mef2c-F10N-LacZ) that express LacZ in the majority, if not all migrating NCC that delaminate from the neural tube. Mef2c-F10N-LacZ then continues to be expressed primarily in neurogenic, gliogenic and melanocytic NCC and their derivatives, but not in ectomesenchymal derivatives. Secondly, we used the same Mef2c-F10N enhancer together with Cre recombinase to generate transgenic mice (Mef2c-F10N-Cre) that can be used to indelibly label, or alter gene function in, migrating NCC and their derivatives. At early stages of development, Mef2c-F10N-LacZ and Mef2c-F10N-Cre label NCC in a pattern similar to Wnt1-Cre mice, with the exception that Mef2c-F10N-LacZ and Mef2c-F10N-Cre specifically label NCC that have delaminated from the neural plate, while premigratory NCC are not labeled. Thus, our Mef2c-F10N-LacZ and Mef2c-F10N-Cre transgenic mice provide new resources for tracing migratory NCC and analyzing gene function in migrating and differentiating NCC independently of NCC formation.
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Affiliation(s)
- Kazushi Aoto
- Stowers Institute for Medical Research, Kansas City, MO 64110, USA
| | - Lisa L Sandell
- University of Louisville, Department of Molecular, Cellular and Craniofacial Biology, School of Dentistry, Louisville, KY 40201, USA
| | - Naomi E Butler Tjaden
- Stowers Institute for Medical Research, Kansas City, MO 64110, USA; Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Kobe C Yuen
- Stowers Institute for Medical Research, Kansas City, MO 64110, USA
| | - Kristin E Noack Watt
- Stowers Institute for Medical Research, Kansas City, MO 64110, USA; Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS 66160, USA
| | - Brian L Black
- Cardiovascular Research Institute and Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Michael Durnin
- Stowers Institute for Medical Research, Kansas City, MO 64110, USA
| | - Paul A Trainor
- Stowers Institute for Medical Research, Kansas City, MO 64110, USA; Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS 66160, USA.
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34
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Pentimento: Neural Crest and the origin of mesectoderm. Dev Biol 2015; 401:37-61. [DOI: 10.1016/j.ydbio.2014.12.035] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Revised: 12/28/2014] [Accepted: 12/30/2014] [Indexed: 11/17/2022]
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Immune-induced fever is mediated by IL-6 receptors on brain endothelial cells coupled to STAT3-dependent induction of brain endothelial prostaglandin synthesis. J Neurosci 2015; 34:15957-61. [PMID: 25429137 DOI: 10.1523/jneurosci.3520-14.2014] [Citation(s) in RCA: 92] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The cytokine IL-6, which is released upon peripheral immune challenge, is critical for the febrile response, but the mechanism by which IL-6 is pyrogenic has remained obscure. Here we generated mice with deletion of the membrane bound IL-6 receptor α (IL-6Rα) on neural cells, on peripheral nerves, on fine sensory afferent fibers, and on brain endothelial cells, respectively, and examined its role for the febrile response to peripherally injected lipopolysaccharide. We show that IL-6Rα on neural cells, peripheral nerves, and fine sensory afferents are dispensable for the lipopolysaccharide-induced fever, whereas IL-6Rα in the brain endothelium plays an important role. Hence deletion of IL-6Rα on brain endothelial cells strongly attenuated the febrile response, and also led to reduced induction of the prostaglandin synthesizing enzyme Cox-2 in the hypothalamus, the temperature-regulating center in the brain, as well as reduced expression of SOCS3, suggesting involvement of the STAT signaling pathway. Furthermore, deletion of STAT3 in the brain endothelium also resulted in attenuated fever. These data show that IL-6, when endogenously released during systemic inflammation, is pyrogenic by binding to IL-6Rα on brain endothelial cells to induce prostaglandin synthesis in these cells, probably in concerted action with other peripherally released cytokines.
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Fantauzzo KA, Soriano P. Receptor tyrosine kinase signaling: regulating neural crest development one phosphate at a time. Curr Top Dev Biol 2015; 111:135-82. [PMID: 25662260 PMCID: PMC4363133 DOI: 10.1016/bs.ctdb.2014.11.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Receptor tyrosine kinases (RTKs) bind to a subset of growth factors on the surface of cells and elicit responses with broad roles in developmental and postnatal cellular processes. Receptors in this subclass consist of an extracellular ligand-binding domain, a single transmembrane domain, and an intracellular domain harboring a catalytic tyrosine kinase and regulatory sequences that are phosphorylated either by the receptor itself or by various interacting proteins. Once activated, RTKs bind signaling molecules and recruit effector proteins to mediate downstream cellular responses through various intracellular signaling pathways. In this chapter, we highlight the role of a subset of RTK families in regulating the activity of neural crest cells (NCCs) and the development of their derivatives in mammalian systems. NCCs are migratory, multipotent cells that can be subdivided into four axial populations, cranial, cardiac, vagal, and trunk. These cells migrate throughout the vertebrate embryo along defined pathways and give rise to unique cell types and structures. Interestingly, individual RTK families often have specific functions in a subpopulation of NCCs that contribute to the diversity of these cells and their derivatives in the mammalian embryo. We additionally discuss current methods used to investigate RTK signaling, including genetic, biochemical, large-scale proteomic, and biosensor approaches, which can be applied to study intracellular signaling pathways active downstream of this receptor subclass during NCC development.
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Affiliation(s)
- Katherine A Fantauzzo
- Department of Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, USA.
| | - Philippe Soriano
- Department of Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, USA
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Lin SH, Sun WH, Chen CC. Genetic exploration of the role of acid-sensing ion channels. Neuropharmacology 2015; 94:99-118. [PMID: 25582292 DOI: 10.1016/j.neuropharm.2014.12.011] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Revised: 12/03/2014] [Accepted: 12/04/2014] [Indexed: 12/27/2022]
Abstract
Advanced gene targeting technology and related tools in mice have been incorporated into studies of acid-sensing ion channels (ASICs). A single ASIC subtype can be knocked out specifically and screened thoroughly for expression in the nervous system at the cellular level. Mapping studies have further shed light on the initiation and identification of related behavioral phenotypes. Here we review studies involving genetically engineered mouse models used to investigate the physiological function of individual ASIC subtypes: ASIC1 (and ASIC1a), ASIC2, ASIC3 and ASIC4. We discuss the detailed expression studies and significant phenotypes revealed with gene knockout for most known Asic subtypes. Each strategy designed to manipulate mouse genetics has advantages and disadvantages. We discuss the limitations of these Asic-knockout models and propose future directions to solve the genetic issues. This article is part of the Special Issue entitled 'Acid-Sensing Ion Channels in the Nervous System'.
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Affiliation(s)
- Shing-Hong Lin
- Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan; Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan.
| | - Wei-Hsin Sun
- Department of Life Sciences, National Central University, Jhongli 32054, Taiwan.
| | - Chih-Cheng Chen
- Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan; Institute of Biomedical Sciences, Academia Sinica, Taipei 115, Taiwan; Taiwan Mouse Clinic, National Comprehensive Mouse Phenotyping and Drug Testing Center, Academia Sinica, Taipei 115, Taiwan.
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38
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Howell DW, Popovic N, Metz RP, Wilson E. Regional changes in elastic fiber organization and transforming growth factor β signaling in aortas from a mouse model of marfan syndrome. Cell Tissue Res 2014; 358:807-19. [PMID: 25238995 DOI: 10.1007/s00441-014-1993-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Accepted: 08/21/2014] [Indexed: 11/27/2022]
Abstract
In Marfan Syndrome (MFS), development of thoracic aortic aneurysms (TAAs) is characterized by degeneration of the medial layer of the aorta, including fragmentation and loss of elastic fibers, phenotypic changes in the smooth muscle cells, and an increase in the active form of transforming growth factor-β (TGFβ), which is thought to play a major role in development and progression of the aneurysm. We hypothesized that regional difference in elastic fiber fragmentation contributes to TGFβ activation and hence the localization of aneurysm formation. The fibrillin-1-deficient mgR/mgR mouse model of MFS was used to investigate regional changes in elastin fiber fragmentation, TGFβ activation and changes in gene expression as compared to wild-type littermates. Knockdown of Smad 2 and Smad 3 with shRNA was used to determine the role of the specific transcription factors in gene regulation in aortic smooth muscle cells. We show increased elastin fiber fragmentation in the regions associated with aneurysm formation and altered TGFβ signaling in these regions. Differential effects of Smad 2 and Smad 3 were observed in cultured smooth muscle cells by shRNA-mediated knockdown of expression of these transcription factors. Differential signaling through Smad 2 and Smad 3 in regions of active vascular remodeling likely contribute to aneurysm formation in the mgR/mgR model of MFS. Increased elastin fiber fragmentation in these regions is associated with these changes as compared to other regions of the thoracic aorta and may contribute to the changes in TGFβ signaling in these regions.
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Affiliation(s)
- David W Howell
- Department of Medical Physiology, Texas A&M Health Science Center, College Station, TX, 77843-1114, USA
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39
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Dupin E, Le Douarin NM. The neural crest, a multifaceted structure of the vertebrates. ACTA ACUST UNITED AC 2014; 102:187-209. [PMID: 25219958 DOI: 10.1002/bdrc.21080] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Accepted: 08/22/2014] [Indexed: 12/29/2022]
Abstract
In this review, several features of the cells originating from the lateral borders of the primitive neural anlagen, the neural crest (NC) are considered. Among them, their multipotentiality, which together with their migratory properties, leads them to colonize the developing body and to participate in the development of many tissues and organs. The in vitro analysis of the developmental capacities of single NC cells (NCC) showed that they present several analogies with the hematopoietic cells whose differentiation involves the activity of stem cells endowed with different arrays of developmental potentialities. The permanence of such NC stem cells in the adult organism raises the problem of their role at that stage of life. The NC has appeared during evolution in the vertebrate phylum and is absent in their Protocordates ancestors. The major role of the NCC in the development of the vertebrate head points to a critical role for this structure in the remarkable diversification and radiation of this group of animals.
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Affiliation(s)
- Elisabeth Dupin
- INSERM, U968, Paris, F-75012, France; Sorbonne Universités, UPMC Univ Paris 06, UMR_S 968, Institut de la Vision, Paris, F-75012, France; CNRS, UMR_7210, Paris, F-75012, France
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40
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Vincent SD, Mayeuf-Louchart A, Watanabe Y, Brzezinski JA, Miyagawa-Tomita S, Kelly RG, Buckingham M. Prdm1 functions in the mesoderm of the second heart field, where it interacts genetically with Tbx1, during outflow tract morphogenesis in the mouse embryo. Hum Mol Genet 2014; 23:5087-101. [PMID: 24821700 DOI: 10.1093/hmg/ddu232] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Congenital heart defects affect at least 0.8% of newborn children and are a major cause of lethality prior to birth. Malformations of the arterial pole are particularly frequent. The myocardium at the base of the pulmonary trunk and aorta and the arterial tree associated with these great arteries are derived from splanchnic mesoderm of the second heart field (SHF), an important source of cardiac progenitor cells. These cells are controlled by a gene regulatory network that includes Fgf8, Fgf10 and Tbx1. Prdm1 encodes a transcriptional repressor that we show is also expressed in the SHF. In mouse embryos, mutation of Prdm1 affects branchial arch development and leads to persistent truncus arteriosus (PTA), indicative of neural crest dysfunction. Using conditional mutants, we show that this is not due to a direct function of Prdm1 in neural crest cells. Mutation of Prdm1 in the SHF does not result in PTA, but leads to arterial pole defects, characterized by mis-alignment or reduction of the aorta and pulmonary trunk, and abnormalities in the arterial tree, defects that are preceded by a reduction in outflow tract size and loss of caudal pharyngeal arch arteries. These defects are associated with a reduction in proliferation of progenitor cells in the SHF. We have investigated genetic interactions with Fgf8 and Tbx1, and show that on a Tbx1 heterozygote background, conditional Prdm1 mutants have more pronounced arterial pole defects, now including PTA. Our results identify PRDM1 as a potential modifier of phenotypic severity in TBX1 haploinsufficient DiGeorge syndrome patients.
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Affiliation(s)
- Stéphane D Vincent
- Department of Developmental & Stem Cell Biology, Institut Pasteur, CNRS URA 2578, Paris, France,
| | - Alicia Mayeuf-Louchart
- Department of Developmental & Stem Cell Biology, Institut Pasteur, CNRS URA 2578, Paris, France
| | - Yusuke Watanabe
- Department of Developmental & Stem Cell Biology, Institut Pasteur, CNRS URA 2578, Paris, France
| | - Joseph A Brzezinski
- Department of Structural Biology, University of Washington, Seattle, WA, USA
| | - Sachiko Miyagawa-Tomita
- Division of Cardiovascular Development and Differentiation, Department of Pediatric Cardiology, Tokyo Women's Medical University, Tokyo, Japan and
| | - Robert G Kelly
- Aix-Marseille Université, Developmental Biology Institute of Marseille, CNRS UMR 7288, Campus de Luminy, Marseille, France
| | - Margaret Buckingham
- Department of Developmental & Stem Cell Biology, Institut Pasteur, CNRS URA 2578, Paris, France
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41
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Lee RTH, Nagai H, Nakaya Y, Sheng G, Trainor PA, Weston JA, Thiery JP. Cell delamination in the mesencephalic neural fold and its implication for the origin of ectomesenchyme. Development 2013; 140:4890-902. [PMID: 24198279 PMCID: PMC4074292 DOI: 10.1242/dev.094680] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The neural crest is a transient structure unique to vertebrate embryos that gives rise to multiple lineages along the rostrocaudal axis. In cranial regions, neural crest cells are thought to differentiate into chondrocytes, osteocytes, pericytes and stromal cells, which are collectively termed ectomesenchyme derivatives, as well as pigment and neuronal derivatives. There is still no consensus as to whether the neural crest can be classified as a homogenous multipotent population of cells. This unresolved controversy has important implications for the formation of ectomesenchyme and for confirmation of whether the neural fold is compartmentalized into distinct domains, each with a different repertoire of derivatives. Here we report in mouse and chicken that cells in the neural fold delaminate over an extended period from different regions of the cranial neural fold to give rise to cells with distinct fates. Importantly, cells that give rise to ectomesenchyme undergo epithelial-mesenchymal transition from a lateral neural fold domain that does not express definitive neural markers, such as Sox1 and N-cadherin. Additionally, the inference that cells originating from the cranial neural ectoderm have a common origin and cell fate with trunk neural crest cells prompted us to revisit the issue of what defines the neural crest and the origin of the ectomesenchyme.
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Affiliation(s)
- Raymond Teck Ho Lee
- Institute of Molecular Cell Biology, ASTAR, 61 Biopolis Drive, 138673, Singapore
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42
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Newgreen DF, Dufour S, Howard MJ, Landman KA. Simple rules for a "simple" nervous system? Molecular and biomathematical approaches to enteric nervous system formation and malformation. Dev Biol 2013; 382:305-19. [PMID: 23838398 PMCID: PMC4694584 DOI: 10.1016/j.ydbio.2013.06.029] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2012] [Revised: 06/28/2013] [Accepted: 06/28/2013] [Indexed: 11/17/2022]
Abstract
We review morphogenesis of the enteric nervous system from migratory neural crest cells, and defects of this process such as Hirschsprung disease, centering on cell motility and assembly, and cell adhesion and extracellular matrix molecules, along with cell proliferation and growth factors. We then review continuum and agent-based (cellular automata) models with rules of cell movement and logistical proliferation. Both movement and proliferation at the individual cell level are modeled with stochastic components from which stereotyped outcomes emerge at the population level. These models reproduced the wave-like colonization of the intestine by enteric neural crest cells, and several new properties emerged, such as colonization by frontal expansion, which were later confirmed biologically. These models predict a surprising level of clonal heterogeneity both in terms of number and distribution of daughter cells. Biologically, migrating cells form stable chains made up of unstable cells, but this is not seen in the initial model. We outline additional rules for cell differentiation into neurons, axon extension, cell-axon and cell-cell adhesions, chemotaxis and repulsion which can reproduce chain migration. After the migration stage, the cells re-arrange as a network of ganglia. Changes in cell adhesion molecules parallel this, and we describe additional rules based on Steinberg's Differential Adhesion Hypothesis, reflecting changing levels of adhesion in neural crest cells and neurons. This was able to reproduce enteric ganglionation in a model. Mouse mutants with disturbances of enteric nervous system morphogenesis are discussed, and these suggest future refinement of the models. The modeling suggests a relatively simple set of cell behavioral rules could account for complex patterns of morphogenesis. The model has allowed the proposal that Hirschsprung disease is mostly an enteric neural crest cell proliferation defect, not a defect of cell migration. In addition, the model suggests an explanations for zonal and skip segment variants of Hirschsprung disease, and also gives a novel stochastic explanation for the observed discordancy of Hirschsprung disease in identical twins.
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Affiliation(s)
- Donald F Newgreen
- The Murdoch Children's Research Institute, Royal Children's Hospital, Parkville, VIC 3052, Australia.
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43
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Bui TV, Akay T, Loubani O, Hnasko TS, Jessell TM, Brownstone RM. Circuits for grasping: spinal dI3 interneurons mediate cutaneous control of motor behavior. Neuron 2013; 78:191-204. [PMID: 23583114 DOI: 10.1016/j.neuron.2013.02.007] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/01/2013] [Indexed: 11/18/2022]
Abstract
Accurate motor performance depends on the integration in spinal microcircuits of sensory feedback information. Hand grasp is a skilled motor behavior known to require cutaneous sensory feedback, but spinal microcircuits that process and relay this feedback to the motor system have not been defined. We sought to define classes of spinal interneurons involved in the cutaneous control of hand grasp in mice and to show that dI3 interneurons, a class of dorsal spinal interneurons marked by the expression of Isl1, convey input from low threshold cutaneous afferents to motoneurons. Mice in which the output of dI3 interneurons has been inactivated exhibit deficits in motor tasks that rely on cutaneous afferent input. Most strikingly, the ability to maintain grip strength in response to increasing load is lost following genetic silencing of dI3 interneuron output. Thus, spinal microcircuits that integrate cutaneous feedback crucial for paw grip rely on the intermediary role of dI3 interneurons.
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Affiliation(s)
- Tuan V Bui
- Department of Medical Neuroscience, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada
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44
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de Nooij JC, Doobar S, Jessell TM. Etv1 inactivation reveals proprioceptor subclasses that reflect the level of NT3 expression in muscle targets. Neuron 2013; 77:1055-68. [PMID: 23522042 DOI: 10.1016/j.neuron.2013.01.015] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/02/2013] [Indexed: 01/12/2023]
Abstract
The organization of spinal reflex circuits relies on the specification of distinct classes of proprioceptive sensory neurons (pSN), but the factors that drive such diversity remain unclear. We report here that pSNs supplying distinct skeletal muscles differ in their dependence on the ETS transcription factor Etv1 for their survival and differentiation. The status of Etv1-dependence is linked to the location of proprioceptor muscle targets: pSNs innervating hypaxial and axial muscles depend critically on Etv1 for survival, whereas those innervating certain limb muscles are resistant to Etv1 inactivation. The level of NT3 expression in individual muscles correlates with Etv1-dependence and the loss of pSNs triggered by Etv1 inactivation can be prevented by elevating the level of muscle-derived NT3-revealing a TrkC-activated Etv1-bypass pathway. Our findings support a model in which the specification of aspects of pSN subtype character is controlled by variation in the level of muscle NT3 expression and signaling.
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Affiliation(s)
- Joriene C de Nooij
- Department of Neuroscience, Howard Hughes Medical Institute, Kavli Institute for Brain Science, Columbia University, New York, NY 10032, USA
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45
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Watanabe Y, Broders-Bondon F, Baral V, Paul-Gilloteaux P, Pingault V, Dufour S, Bondurand N. Sox10 and Itgb1 interaction in enteric neural crest cell migration. Dev Biol 2013; 379:92-106. [PMID: 23608456 DOI: 10.1016/j.ydbio.2013.04.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Revised: 04/10/2013] [Accepted: 04/12/2013] [Indexed: 01/11/2023]
Abstract
SOX10 involvement in syndromic form of Hirschsprung disease (intestinal aganglionosis, HSCR) in humans as well as developmental defects in animal models highlight the importance of this transcription factor in control of the pool of enteric progenitors and their differentiation. Here, we characterized the role of SOX10 in cell migration and its interactions with β1-integrins. To this end, we crossed the Sox10(lacZ/+) mice with the conditional Ht-PA::Cre; beta1(neo/+) and beta1(fl/fl) mice and compared the phenotype of embryos of different genotypes during enteric nervous system (ENS) development. The Sox10(lacZ/+); Ht-PA::Cre; beta1(neo/fl) double mutant embryos presented with increased intestinal aganglionosis length and more severe neuronal network disorganization compared to single mutants. These defects, detected by E11.5, are not compensated after birth, showing that a coordinated and balanced interaction between these two genes is required for normal ENS development. Use of video-microscopy revealed that defects observed result from reduced migration speed and altered directionality of enteric neural crest cells. Expression of β1-integrins upon SOX10 overexpression or in Sox10(lacZ/+) mice was also analyzed. The modulation of SOX10 expression altered β1-integrins, suggesting that SOX10 levels are critical for proper expression and function of this adhesion molecule. Together with previous studies, our results strongly indicate that SOX10 mediates ENCC adhesion and migration, and contribute to the understanding of the molecular and cellular basis of ENS defects observed both in mutant mouse models and in patients carrying SOX10 mutations.
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Affiliation(s)
- Yuli Watanabe
- INSERM U955, Equipe 11, F-94000 Créteil, France; Université Paris-Est, UMR_S955, UPEC, F-94000 Créteil, France
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46
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Vincentz JW, Firulli BA, Lin A, Spicer DB, Howard MJ, Firulli AB. Twist1 controls a cell-specification switch governing cell fate decisions within the cardiac neural crest. PLoS Genet 2013; 9:e1003405. [PMID: 23555309 PMCID: PMC3605159 DOI: 10.1371/journal.pgen.1003405] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2012] [Accepted: 02/07/2013] [Indexed: 01/31/2023] Open
Abstract
Neural crest cells are multipotent progenitor cells that can generate both ectodermal cell types, such as neurons, and mesodermal cell types, such as smooth muscle. The mechanisms controlling this cell fate choice are not known. The basic Helix-loop-Helix (bHLH) transcription factor Twist1 is expressed throughout the migratory and post-migratory cardiac neural crest. Twist1 ablation or mutation of the Twist-box causes differentiation of ectopic neuronal cells, which molecularly resemble sympathetic ganglia, in the cardiac outflow tract. Twist1 interacts with the pro-neural factor Sox10 via its Twist-box domain and binds to the Phox2b promoter to repress transcriptional activity. Mesodermal cardiac neural crest trans-differentiation into ectodermal sympathetic ganglia-like neurons is dependent upon Phox2b function. Ectopic Twist1 expression in neural crest precursors disrupts sympathetic neurogenesis. These data demonstrate that Twist1 functions in post-migratory neural crest cells to repress pro-neural factors and thereby regulate cell fate determination between ectodermal and mesodermal lineages. During vertebrate development, a unique population of cells, termed neural crest cells, migrates throughout the developing embryo, generating various cell types, for example, the smooth muscle that divides the aorta and pulmonary artery where they connect to the heart, and the autonomic neurons, which coordinate organ function. The distinctions between neural crest cells that will form smooth muscle and those that will become neurons are thought to occur prior to migration. Here, we show that, in mice with mutations of the transcription factor Twist1, a subpopulation of presumptive smooth muscle cells, following migration to the heart, instead mis-specify to resemble autonomic neurons. Twist1 represses transcription of the pro-neural factor Phox2b both through antagonism of its upstream effector, Sox10, and through direct binding to its promoter. Phox2b is absolutely required for autonomic neuron development, and indeed, the aberrant neurons in Twist1 mutants disappear when Phox2b is also mutated. Ectopic Twist1 expression within all neural crest cells disrupts the specification of normal autonomic neurons. Collectively, these data reveal that neural crest cells can alter their cell fate from mesoderm to ectoderm after they have migrated and that Twist1 functions to maintain neural crest cell potency during embryonic development.
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Affiliation(s)
- Joshua W Vincentz
- Riley Heart Research Center, Herman B Wells Center for Pediatric Research, Division of Pediatrics Cardiology, Departments of Anatomy, Indiana University Medical School, Indianapolis, Indiana, United States of America
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Neeb Z, Lajiness JD, Bolanis E, Conway SJ. Cardiac outflow tract anomalies. WILEY INTERDISCIPLINARY REVIEWS-DEVELOPMENTAL BIOLOGY 2013; 2:499-530. [PMID: 24014420 DOI: 10.1002/wdev.98] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The mature outflow tract (OFT) is, in basic terms, a short conduit. It is a simple, although vital, connection situated between contracting muscular heart chambers and a vast embryonic vascular network. Unfortunately, it is also a focal point underlying many multifactorial congenital heart defects (CHDs). Through the use of various animal models combined with human genetic investigations, we are beginning to comprehend the molecular and cellular framework that controls OFT morphogenesis. Clear roles of neural crest cells (NCC) and second heart field (SHF) derivatives have been established during OFT formation and remodeling. The challenge now is to determine how the SHF and cardiac NCC interact, the complex reciprocal signaling that appears to be occurring at various stages of OFT morphogenesis, and finally how endocardial progenitors and primary heart field (PHF) communicate with both these colonizing extra-cardiac lineages. Although we are beginning to understand that this dance of progenitor populations is wonderfully intricate, the underlying pathogenesis and the spatiotemporal cell lineage interactions remain to be fully elucidated. What is now clear is that OFT alignment and septation are independent processes, invested via separate SHF and cardiac neural crest (CNC) lineages. This review will focus on our current understanding of the respective contributions of the SHF and CNC lineage during OFT development and pathogenesis.
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Affiliation(s)
- Zachary Neeb
- Developmental Biology and Neonatal Medicine Program, HB Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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48
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Yamanishi E, Takahashi M, Saga Y, Osumi N. Penetration and differentiation of cephalic neural crest-derived cells in the developing mouse telencephalon. Dev Growth Differ 2012; 54:785-800. [PMID: 23157329 DOI: 10.1111/dgd.12007] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2012] [Revised: 09/06/2012] [Accepted: 09/09/2012] [Indexed: 12/16/2022]
Abstract
Neural crest (NC) cells originate from the neural folds and migrate into the various embryonic regions where they differentiate into multiple cell types. A population of cephalic neural crest-derived cells (NCDCs) penetrates back into the developing forebrain to differentiate into microvascular pericytes, but little is known about when and how cephalic NCDCs invade the telencephalon and differentiate into pericytes. Using a transgenic mouse line in which NCDCs are genetically labeled with enhanced green fluorescent protein (EGFP), we observed that NCDCs started to invade the telencephalon together with endothelial cells from embryonic day (E) 9.5. A majority of NCDCs located in the telencephalon expressed pericyte markers, that is, PDGFRβ and NG2, and differentiated into pericytes around E11.5. Surprisingly, many of the NC-derived pericytes express p75, an undifferentiated NCDC marker at E11.5, as well as NCDCs in the mesenchyme. At the same time, a minor population of NCDCs that located separately from blood vessels in the telencephalon were NG2-negative and some of these NCDCs also expressed p75. Proliferation and differentiation of pericytes appeared to occur in a specific mesenchymal region where blood vessels penetrated into the telencephalon. These results indicate that (i) NCDCs penetrate back into the telencephalon in parallel with angiogenesis, (ii) many NC-derived pericytes may be still in pre-mature states even though after differentiation into pericytes in the early developing stages, (iii) a small minority of NCDCs may retain undifferentiated states in the developing telencephalon, and (iv) a majority of NCDCs proliferate and differentiate into pericytes in the mesenchyme around the telencephalon.
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Affiliation(s)
- Emiko Yamanishi
- Division of Developmental Neuroscience, United Centers for Advanced Research and Translational Medicine (ART), Graduate School of Medicine, Tohoku University, 2-1, Seiryo-Machi, Aoba-ku, Sendai, Miyagi, 980-8575
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49
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Murdoch B, DelConte C, García-Castro MI. Pax7 lineage contributions to the mammalian neural crest. PLoS One 2012; 7:e41089. [PMID: 22848431 PMCID: PMC3407174 DOI: 10.1371/journal.pone.0041089] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2012] [Accepted: 06/16/2012] [Indexed: 11/18/2022] Open
Abstract
Background Neural crest cells are vertebrate-specific multipotent cells that contribute to a variety of tissues including the peripheral nervous system, melanocytes, and craniofacial bones and cartilage. Abnormal development of the neural crest is associated with several human maladies including cleft/lip palate, aggressive cancers such as melanoma and neuroblastoma, and rare syndromes, like Waardenburg syndrome, a complex disorder involving hearing loss and pigment defects. We previously identified the transcription factor Pax7 as an early marker, and required component for neural crest development in chick embryos. In mammals, Pax7 is also thought to play a role in neural crest development, yet the precise contribution of Pax7 progenitors to the neural crest lineage has not been determined. Methodology/Principal Findings Here we use Cre/loxP technology in double transgenic mice to fate map the Pax7 lineage in neural crest derivates. We find that Pax7 descendants contribute to multiple tissues including the cranial, cardiac and trunk neural crest, which in the cranial cartilage form a distinct regional pattern. The Pax7 lineage, like the Pax3 lineage, is additionally detected in some non-neural crest tissues, including a subset of the epithelial cells in specific organs. Conclusions/Significance These results demonstrate a previously unappreciated widespread distribution of Pax7 descendants within and beyond the neural crest. They shed light regarding the regionally distinct phenotypes observed in Pax3 and Pax7 mutants, and provide a unique perspective into the potential roles of Pax7 during disease and development.
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Affiliation(s)
- Barbara Murdoch
- Biology Department, Eastern Connecticut State University, Willimantic, Connecticut, United States of America
- Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, Connecticut, United States of America
| | - Casey DelConte
- Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, Connecticut, United States of America
| | - Martín I. García-Castro
- Department of Molecular, Cellular and Developmental Biology, Yale University, New Haven, Connecticut, United States of America
- * E-mail:
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50
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Rogoz K, Lagerström MC, Dufour S, Kullander K. VGLUT2-dependent glutamatergic transmission in primary afferents is required for intact nociception in both acute and persistent pain modalities. Pain 2012; 153:1525-1536. [DOI: 10.1016/j.pain.2012.04.017] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2011] [Revised: 03/29/2012] [Accepted: 04/17/2012] [Indexed: 11/27/2022]
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