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Xu Y, Mao S, Fan H, Wan J, Wang L, Zhang M, Zhu S, Yuan J, Lu Y, Wang Z, Yu B, Jiang Z, Huang Y. LINC MIR503HG Controls SC-β Cell Differentiation and Insulin Production by Targeting CDH1 and HES1. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305631. [PMID: 38243869 PMCID: PMC10987150 DOI: 10.1002/advs.202305631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 01/03/2024] [Indexed: 01/22/2024]
Abstract
Stem cell-derived pancreatic progenitors (SC-PPs), as an unlimited source of SC-derived β (SC-β) cells, offers a robust tool for diabetes treatment in stem cell-based transplantation, disease modeling, and drug screening. Whereas, PDX1+/NKX6.1+ PPs enhances the subsequent endocrine lineage specification and gives rise to glucose-responsive SC-β cells in vivo and in vitro. To identify the regulators that promote induction efficiency and cellular function maturation, single-cell RNA-sequencing is performed to decipher the transcriptional landscape during PPs differentiation. The comprehensive evaluation of functionality demonstrated that manipulating LINC MIR503HG using CRISPR in PP cell fate decision can improve insulin synthesis and secretion in mature SC-β cells, without effects on liver lineage specification. Importantly, transplantation of MIR503HG-/- SC-β cells in recipients significantly restored blood glucose homeostasis, accompanied by serum C-peptide release and an increase in body weight. Mechanistically, by releasing CtBP1 occupying the CDH1 and HES1 promoters, the decrease in MIR503HG expression levels provided an excellent extracellular niche and appropriate Notch signaling activation for PPs following differentiation. Furthermore, this exhibited higher crucial transcription factors and mature epithelial markers in CDH1High expressed clusters. Altogether, these findings highlighted MIR503HG as an essential and exclusive PP cell fate specification regulator with promising therapeutic potential for patients with diabetes.
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Affiliation(s)
- Yang Xu
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
- Center of Gallbladder DiseaseShanghai East HospitalInstitute of Gallstone DiseaseSchool of MedicineTongji UniversityShanghai200092China
- Research Center of Clinical MedicineAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Susu Mao
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of EducationNMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology ProductsCo‐innovation Center of NeuroregenerationNantong UniversityNantong226001China
| | - Haowen Fan
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
- Research Center of Clinical MedicineAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Jian Wan
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
- Research Center of Clinical MedicineAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Lin Wang
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
- Department of Graduate SchoolDalian Medical UniversityDalianLiaoning116000China
| | - Mingyu Zhang
- Department of Nuclear MedicineBeijing Friendship HospitalAffiliated to Capital Medical UniversityBeijing100050China
| | - Shajun Zhu
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Jin Yuan
- Department of Endocrinology and MetabolismAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Yuhua Lu
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Zhiwei Wang
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
| | - Bin Yu
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of EducationNMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology ProductsCo‐innovation Center of NeuroregenerationNantong UniversityNantong226001China
| | - Zhaoyan Jiang
- Center of Gallbladder DiseaseShanghai East HospitalInstitute of Gallstone DiseaseSchool of MedicineTongji UniversityShanghai200092China
| | - Yan Huang
- Department of Hepatobiliary and Pancreatic SurgeryAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
- Research Center of Clinical MedicineAffiliated Hospital of Nantong UniversityMedical School of Nantong UniversityNantong226001China
- Key Laboratory of Neuroregeneration of Jiangsu and Ministry of EducationNMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology ProductsCo‐innovation Center of NeuroregenerationNantong UniversityNantong226001China
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Sánchez-Iranzo H, Halavatyi A, Diz-Muñoz A. Strength of interactions in the Notch gene regulatory network determines patterning and fate in the notochord. eLife 2022; 11:75429. [PMID: 35658971 PMCID: PMC9170247 DOI: 10.7554/elife.75429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 04/28/2022] [Indexed: 11/13/2022] Open
Abstract
Development of multicellular organisms requires the generation of gene expression patterns that determines cell fate and organ shape. Groups of genetic interactions known as Gene Regulatory Networks (GRNs) play a key role in the generation of such patterns. However, how the topology and parameters of GRNs determine patterning in vivo remains unclear due to the complexity of most experimental systems. To address this, we use the zebrafish notochord, an organ where coin-shaped precursor cells are initially arranged in a simple unidimensional geometry. These cells then differentiate into vacuolated and sheath cells. Using newly developed transgenic tools together with in vivo imaging, we identify jag1a and her6/her9 as the main components of a Notch GRN that generates a lateral inhibition pattern and determines cell fate. Making use of this experimental system and mathematical modeling we show that lateral inhibition patterning is promoted when ligand-receptor interactions are stronger within the same cell than in neighboring cells. Altogether, we establish the zebrafish notochord as an experimental system to study pattern generation, and identify and characterize how the properties of GRNs determine self-organization of gene patterning and cell fate.
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Affiliation(s)
- Héctor Sánchez-Iranzo
- Cell Biology and Biophysics Unit, European Molecular Biology Laboratory, Heidelberg, Germany
| | - Aliaksandr Halavatyi
- Advanced Light Microscopy Facility, European Molecular Biology Laboratory, Heidelberg, Germany
| | - Alba Diz-Muñoz
- Cell Biology and Biophysics Unit, European Molecular Biology Laboratory, Heidelberg, Germany
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3
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Cordero-Espinoza L, Dowbaj AM, Kohler TN, Strauss B, Sarlidou O, Belenguer G, Pacini C, Martins NP, Dobie R, Wilson-Kanamori JR, Butler R, Prior N, Serup P, Jug F, Henderson NC, Hollfelder F, Huch M. Dynamic cell contacts between periportal mesenchyme and ductal epithelium act as a rheostat for liver cell proliferation. Cell Stem Cell 2021; 28:1907-1921.e8. [PMID: 34343491 PMCID: PMC8577825 DOI: 10.1016/j.stem.2021.07.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 05/19/2021] [Accepted: 07/09/2021] [Indexed: 02/06/2023]
Abstract
In the liver, ductal cells rarely proliferate during homeostasis but do so transiently after tissue injury. These cells can be expanded as organoids that recapitulate several of the cell-autonomous mechanisms of regeneration but lack the stromal interactions of the native tissue. Here, using organoid co-cultures that recapitulate the ductal-to-mesenchymal cell architecture of the portal tract, we demonstrate that a subpopulation of mouse periportal mesenchymal cells exerts dual control on proliferation of the epithelium. Ductal cell proliferation is either induced and sustained or, conversely, completely abolished, depending on the number of direct mesenchymal cell contacts, through a mechanism mediated, at least in part, by Notch signaling. Our findings expand the concept of the cellular niche in epithelial tissues, whereby not only soluble factors but also cell-cell contacts are the key regulatory cues involved in the control of cellular behaviors, suggesting a critical role for cell-cell contacts during regeneration.
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Affiliation(s)
- Lucía Cordero-Espinoza
- Wellcome Trust/Cancer Research UK Gurdon Institute, Cambridge CB2 1QN, UK; Wellcome Trust-Medical Research Council Stem Cell Institute, Cambridge CB2 1QR, UK; Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge CB2 3DY, UK
| | - Anna M Dowbaj
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden 01307, Germany
| | - Timo N Kohler
- Wellcome Trust-Medical Research Council Stem Cell Institute, Cambridge CB2 1QR, UK; Department of Biochemistry, University of Cambridge, Cambridge CB2 1GA, UK
| | - Bernhard Strauss
- Wellcome Trust/Cancer Research UK Gurdon Institute, Cambridge CB2 1QN, UK
| | - Olga Sarlidou
- Wellcome Trust/Cancer Research UK Gurdon Institute, Cambridge CB2 1QN, UK
| | - German Belenguer
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden 01307, Germany
| | - Clare Pacini
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, Cambridge CB10 1SA, UK
| | - Nuno P Martins
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden 01307, Germany
| | - Ross Dobie
- Centre for Inflammation Research, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - John R Wilson-Kanamori
- Centre for Inflammation Research, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Richard Butler
- Wellcome Trust/Cancer Research UK Gurdon Institute, Cambridge CB2 1QN, UK
| | - Nicole Prior
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden 01307, Germany
| | - Palle Serup
- Novo Nordisk Foundation Center for Stem Cell Biology (DanStem), University of Copenhagen, Copenhagen 2200, Denmark
| | - Florian Jug
- Max Planck Institute of Molecular Cell Biology and Genetics, Dresden 01307, Germany
| | - Neil C Henderson
- Centre for Inflammation Research, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK; MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh EH4 2XU, UK
| | - Florian Hollfelder
- Department of Biochemistry, University of Cambridge, Cambridge CB2 1GA, UK
| | - Meritxell Huch
- Wellcome Trust/Cancer Research UK Gurdon Institute, Cambridge CB2 1QN, UK; Wellcome Trust-Medical Research Council Stem Cell Institute, Cambridge CB2 1QR, UK; Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge CB2 3DY, UK; Max Planck Institute of Molecular Cell Biology and Genetics, Dresden 01307, Germany.
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4
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Seymour PA, Collin CA, Egeskov-Madsen ALR, Jørgensen MC, Shimojo H, Imayoshi I, de Lichtenberg KH, Kopan R, Kageyama R, Serup P. Jag1 Modulates an Oscillatory Dll1-Notch-Hes1 Signaling Module to Coordinate Growth and Fate of Pancreatic Progenitors. Dev Cell 2020; 52:731-747.e8. [PMID: 32059775 DOI: 10.1016/j.devcel.2020.01.015] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 11/25/2019] [Accepted: 01/14/2020] [Indexed: 12/30/2022]
Abstract
Notch signaling controls proliferation of multipotent pancreatic progenitor cells (MPCs) and their segregation into bipotent progenitors (BPs) and unipotent pro-acinar cells (PACs). Here, we showed that fast ultradian oscillations of the ligand Dll1 and the transcriptional effector Hes1 were crucial for MPC expansion, and changes in Hes1 oscillation parameters were associated with selective adoption of BP or PAC fate. Conversely, Jag1, a uniformly expressed ligand, restrained MPC growth. However, when its expression later segregated to PACs, Jag1 became critical for the specification of all but the most proximal BPs, and BPs were entirely lost in Jag1; Dll1 double mutants. Anatomically, ductal morphogenesis and organ architecture are minimally perturbed in Jag1 mutants until later stages, when ductal remodeling fails, and signs of acinar-to-ductal metaplasia appear. Our study thus uncovers that oscillating Notch activity in the developing pancreas, modulated by Jag1, is required to coordinate MPC growth and fate.
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Affiliation(s)
- Philip Allan Seymour
- Novo Nordisk Foundation Center for Stem Cell Biology (DanStem), University of Copenhagen, Copenhagen N 2200, Denmark
| | - Caitlin Alexis Collin
- Novo Nordisk Foundation Center for Stem Cell Biology (DanStem), University of Copenhagen, Copenhagen N 2200, Denmark
| | - Anuska la Rosa Egeskov-Madsen
- Novo Nordisk Foundation Center for Stem Cell Biology (DanStem), University of Copenhagen, Copenhagen N 2200, Denmark
| | - Mette Christine Jørgensen
- Novo Nordisk Foundation Center for Stem Cell Biology (DanStem), University of Copenhagen, Copenhagen N 2200, Denmark
| | - Hiromi Shimojo
- Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
| | - Itaru Imayoshi
- Research Center for Dynamic Living Systems, Graduate School of Biostudies, Kyoto University, Kyoto 606-8501, Japan
| | | | - Raphael Kopan
- Division of Developmental Biology, Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - Ryoichiro Kageyama
- Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto 606-8507, Japan
| | - Palle Serup
- Novo Nordisk Foundation Center for Stem Cell Biology (DanStem), University of Copenhagen, Copenhagen N 2200, Denmark.
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5
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Cerrizuela S, Vega-Lopez GA, Aybar MJ. The role of teratogens in neural crest development. Birth Defects Res 2020; 112:584-632. [PMID: 31926062 DOI: 10.1002/bdr2.1644] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 12/11/2019] [Accepted: 12/22/2019] [Indexed: 12/13/2022]
Abstract
The neural crest (NC), discovered by Wilhelm His 150 years ago, gives rise to a multipotent migratory embryonic cell population that generates a remarkably diverse and important array of cell types during the development of the vertebrate embryo. These cells originate in the neural plate border (NPB), which is the ectoderm between the neural plate and the epidermis. They give rise to the neurons and glia of the peripheral nervous system, melanocytes, chondrocytes, smooth muscle cells, odontoblasts and neuroendocrine cells, among others. Neurocristopathies are a class of congenital diseases resulting from the abnormal induction, specification, migration, differentiation or death of NC cells (NCCs) during embryonic development and have an important medical and societal impact. In general, congenital defects affect an appreciable percentage of newborns worldwide. Some of these defects are caused by teratogens, which are agents that negatively impact the formation of tissues and organs during development. In this review, we will discuss the teratogens linked to the development of many birth defects, with a strong focus on those that specifically affect the development of the NC, thereby producing neurocristopathies. Although increasing attention is being paid to the effect of teratogens on embryonic development in general, there is a strong need to critically evaluate the specific role of these agents in NC development. Therefore, increased understanding of the role of these factors in NC development will contribute to the planning of strategies aimed at the prevention and treatment of human neurocristopathies, whose etiology was previously not considered.
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Affiliation(s)
- Santiago Cerrizuela
- Área Biología Experimental, Instituto Superior de Investigaciones Biológicas (INSIBIO, CONICET-UNT), Tucumán, Argentina.,Instituto de Biología "Dr. Francisco D. Barbieri", Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Tucumán, Argentina
| | - Guillermo A Vega-Lopez
- Área Biología Experimental, Instituto Superior de Investigaciones Biológicas (INSIBIO, CONICET-UNT), Tucumán, Argentina.,Instituto de Biología "Dr. Francisco D. Barbieri", Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Tucumán, Argentina
| | - Manuel J Aybar
- Área Biología Experimental, Instituto Superior de Investigaciones Biológicas (INSIBIO, CONICET-UNT), Tucumán, Argentina.,Instituto de Biología "Dr. Francisco D. Barbieri", Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Tucumán, Argentina
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6
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Bhat R, Glimm T, Linde-Medina M, Cui C, Newman SA. Synchronization of Hes1 oscillations coordinates and refines condensation formation and patterning of the avian limb skeleton. Mech Dev 2019; 156:41-54. [DOI: 10.1016/j.mod.2019.03.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 03/08/2019] [Accepted: 03/08/2019] [Indexed: 10/27/2022]
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7
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Mamidi A, Prawiro C, Seymour PA, de Lichtenberg KH, Jackson A, Serup P, Semb H. Mechanosignalling via integrins directs fate decisions of pancreatic progenitors. Nature 2018; 564:114-118. [DOI: 10.1038/s41586-018-0762-2] [Citation(s) in RCA: 125] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Accepted: 10/19/2018] [Indexed: 12/18/2022]
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8
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Jørgensen MC, de Lichtenberg KH, Collin CA, Klinck R, Ekberg JH, Engelstoft MS, Lickert H, Serup P. Neurog3-dependent pancreas dysgenesis causes ectopic pancreas in Hes1 mutant mice. Development 2018; 145:dev.163568. [PMID: 30093553 DOI: 10.1242/dev.163568] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 07/23/2018] [Indexed: 12/12/2022]
Abstract
Mutations in Hes1, a target gene of the Notch signalling pathway, lead to ectopic pancreas by a poorly described mechanism. Here, we use genetic inactivation of Hes1 combined with lineage tracing and live imaging to reveal an endodermal requirement for Hes1, and show that ectopic pancreas tissue is derived from the dorsal pancreas primordium. RNA-seq analysis of sorted E10.5 Hes1+/+ and Hes1-/- Pdx1-GFP+ cells suggested that upregulation of endocrine lineage genes in Hes1-/- embryos was the major defect and, accordingly, early pancreas morphogenesis was normalized, and the ectopic pancreas phenotype suppressed, in Hes1-/-Neurog3-/- embryos. In Mib1 mutants, we found a near total depletion of dorsal progenitors, which was replaced by an anterior Gcg+ extension. Together, our results demonstrate that aberrant morphogenesis is the cause of ectopic pancreas and that a part of the endocrine differentiation program is mechanistically involved in the dysgenesis. Our results suggest that the ratio of endocrine lineage to progenitor cells is important for morphogenesis and that a strong endocrinogenic phenotype without complete progenitor depletion, as seen in Hes1 mutants, provokes an extreme dysgenesis that causes ectopic pancreas.
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Affiliation(s)
- Mette C Jørgensen
- NNF Center for Stem Cell Biology (DanStem), Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
| | - Kristian H de Lichtenberg
- NNF Center for Stem Cell Biology (DanStem), Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
| | - Caitlin A Collin
- NNF Center for Stem Cell Biology (DanStem), Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
| | - Rasmus Klinck
- Novo Nordisk A/S, Department of User Research and Communication, Brennum Park 1, DK-3400 Hillerød, Denmark
| | - Jeppe H Ekberg
- NNF Center for Basic Metabolic Research, Section for Metabolic Receptology, Laboratory for Molecular Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
| | - Maja S Engelstoft
- NNF Center for Basic Metabolic Research, Section for Metabolic Receptology, Laboratory for Molecular Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
| | - Heiko Lickert
- Institute of Stem Cell Research, Helmholtz Zentrum München, 85764 Neuherberg, Germany
| | - Palle Serup
- NNF Center for Stem Cell Biology (DanStem), Faculty of Health and Medical Sciences, University of Copenhagen, DK-2200 Copenhagen, Denmark
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9
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Larsen HL, Martín-Coll L, Nielsen AV, Wright CVE, Trusina A, Kim YH, Grapin-Botton A. Stochastic priming and spatial cues orchestrate heterogeneous clonal contribution to mouse pancreas organogenesis. Nat Commun 2017; 8:605. [PMID: 28928395 PMCID: PMC5605525 DOI: 10.1038/s41467-017-00258-4] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Accepted: 06/15/2017] [Indexed: 12/16/2022] Open
Abstract
Spatiotemporal balancing of cellular proliferation and differentiation is crucial for postnatal tissue homoeostasis and organogenesis. During embryonic development, pancreatic progenitors simultaneously proliferate and differentiate into the endocrine, ductal and acinar lineages. Using in vivo clonal analysis in the founder population of the pancreas here we reveal highly heterogeneous contribution of single progenitors to organ formation. While some progenitors are bona fide multipotent and contribute progeny to all major pancreatic cell lineages, we also identify numerous unipotent endocrine and ducto-endocrine bipotent clones. Single-cell transcriptional profiling at E9.5 reveals that endocrine-committed cells are molecularly distinct, whereas multipotent and bipotent progenitors do not exhibit different expression profiles. Clone size and composition support a probabilistic model of cell fate allocation and in silico simulations predict a transient wave of acinar differentiation around E11.5, while endocrine differentiation is proportionally decreased. Increased proliferative capacity of outer progenitors is further proposed to impact clonal expansion. The pancreas arises from a small population of cells but how individual cells contribute to organ formation is unclear. Here, the authors deconstruct pancreas organogenesis into clonal units, showing that single progenitors give rise to heterogeneous multi-lineage and endocrinogenic single-lineage clones.
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Affiliation(s)
- Hjalte List Larsen
- DanStem, University of Copenhagen, 3B Blegdamsvej, DK-2200, Copenhagen N, Denmark
| | - Laura Martín-Coll
- DanStem, University of Copenhagen, 3B Blegdamsvej, DK-2200, Copenhagen N, Denmark
| | | | - Christopher V E Wright
- Department of Cell & Developmental Biology, Vanderbilt University, Nashville, TN, 37232-0494, USA
| | - Ala Trusina
- Niels Bohr Institute, University of Copenhagen, 17 Blegdamsvej, DK-2200, Copenhagen N, Denmark
| | - Yung Hae Kim
- DanStem, University of Copenhagen, 3B Blegdamsvej, DK-2200, Copenhagen N, Denmark.
| | - Anne Grapin-Botton
- DanStem, University of Copenhagen, 3B Blegdamsvej, DK-2200, Copenhagen N, Denmark.
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10
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Shih HP, Wang A, Sander M. Pancreas organogenesis: from lineage determination to morphogenesis. Annu Rev Cell Dev Biol 2013; 29:81-105. [PMID: 23909279 DOI: 10.1146/annurev-cellbio-101512-122405] [Citation(s) in RCA: 211] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The pancreas is an essential organ for proper nutrient metabolism and has both endocrine and exocrine function. In the past two decades, knowledge of how the pancreas develops during embryogenesis has significantly increased, largely from developmental studies in model organisms. Specifically, the molecular basis of pancreatic lineage decisions and cell differentiation is well studied. Still not well understood are the mechanisms governing three-dimensional morphogenesis of the organ. Strategies to derive transplantable β-cells in vitro for diabetes treatment have benefited from the accumulated knowledge of pancreas development. In this review, we provide an overview of the current understanding of pancreatic lineage determination and organogenesis, and we examine future implications of these findings for treatment of diabetes mellitus through cell replacement.
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Affiliation(s)
- Hung Ping Shih
- Departments of Pediatrics and Cellular & Molecular Medicine, Pediatric Diabetes Research Center, University of California, San Diego, La Jolla, California 92093-0695;
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11
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Imayoshi I, Shimojo H, Sakamoto M, Ohtsuka T, Kageyama R. Genetic visualization of notch signaling in mammalian neurogenesis. Cell Mol Life Sci 2012; 70:2045-57. [PMID: 22971775 PMCID: PMC3663255 DOI: 10.1007/s00018-012-1151-x] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2012] [Revised: 08/27/2012] [Accepted: 08/28/2012] [Indexed: 11/24/2022]
Abstract
Notch signaling plays crucial roles in fate determination and the differentiation of neural stem cells in embryonic and adult brains. It is now clear that the notch pathway is under more complex and dynamic regulation than previously thought. To understand the functional details of notch signaling more precisely, it is important to reveal when, where, and how notch signaling is dynamically communicated between cells, for which the visualization of notch signaling is essential. In this review, we introduce recent technical advances in the visualization of notch signaling during neural development and in the adult brain, and we discuss the physiological significance of dynamic regulation of notch signaling.
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Affiliation(s)
- Itaru Imayoshi
- Institute for Virus Research, Kyoto University, Shogoin-Kawahara, Sakyo-ku, Kyoto, 606-8507, Japan.
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12
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Ahnfelt-Rønne J, Jørgensen MC, Klinck R, Jensen JN, Füchtbauer EM, Deering T, MacDonald RJ, Wright CVE, Madsen OD, Serup P. Ptf1a-mediated control of Dll1 reveals an alternative to the lateral inhibition mechanism. Development 2011; 139:33-45. [PMID: 22096075 DOI: 10.1242/dev.071761] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Neurog3-induced Dll1 expression in pancreatic endocrine progenitors ostensibly activates Hes1 expression via Notch and thereby represses Neurog3 and endocrine differentiation in neighboring cells by lateral inhibition. Here we show in mouse that Dll1 and Hes1 expression deviate during regionalization of early endoderm, and later during early pancreas morphogenesis. At that time, Ptf1a activates Dll1 in multipotent pancreatic progenitor cells (MPCs), and Hes1 expression becomes Dll1 dependent over a brief time window. Moreover, Dll1, Hes1 and Dll1/Hes1 mutant phenotypes diverge during organ regionalization, become congruent at early bud stages, and then diverge again at late bud stages. Persistent pancreatic hypoplasia in Dll1 mutants after eliminating Neurog3 expression and endocrine development, together with reduced proliferation of MPCs in both Dll1 and Hes1 mutants, reveals that the hypoplasia is caused by a growth defect rather than by progenitor depletion. Unexpectedly, we find that Hes1 is required to sustain Ptf1a expression, and in turn Dll1 expression in early MPCs. Our results show that Ptf1a-induced Dll1 expression stimulates MPC proliferation and pancreatic growth by maintaining Hes1 expression and Ptf1a protein levels.
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Affiliation(s)
- Jonas Ahnfelt-Rønne
- Department of Developmental Biology, Hagedorn Research Institute, Niels Steensens Vej 6, DK-2820 Gentofte, Denmark
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