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Tierney MT, Polak L, Yang Y, Abdusselamoglu MD, Baek I, Stewart KS, Fuchs E. Vitamin A resolves lineage plasticity to orchestrate stem cell lineage choices. Science 2024; 383:eadi7342. [PMID: 38452090 DOI: 10.1126/science.adi7342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 02/07/2024] [Indexed: 03/09/2024]
Abstract
Lineage plasticity-a state of dual fate expression-is required to release stem cells from their niche constraints and redirect them to tissue compartments where they are most needed. In this work, we found that without resolving lineage plasticity, skin stem cells cannot effectively generate each lineage in vitro nor regrow hair and repair wounded epidermis in vivo. A small-molecule screen unearthed retinoic acid as a critical regulator. Combining high-throughput approaches, cell culture, and in vivo mouse genetics, we dissected its roles in tissue regeneration. We found that retinoic acid is made locally in hair follicle stem cell niches, where its levels determine identity and usage. Our findings have therapeutic implications for hair growth as well as chronic wounds and cancers, where lineage plasticity is unresolved.
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Affiliation(s)
- Matthew T Tierney
- Howard Hughes Medical Institute, Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, The Rockefeller University, New York, NY 10065, USA
| | - Lisa Polak
- Howard Hughes Medical Institute, Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, The Rockefeller University, New York, NY 10065, USA
| | - Yihao Yang
- Howard Hughes Medical Institute, Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, The Rockefeller University, New York, NY 10065, USA
| | - Merve Deniz Abdusselamoglu
- Howard Hughes Medical Institute, Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, The Rockefeller University, New York, NY 10065, USA
| | - Inwha Baek
- Howard Hughes Medical Institute, Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, The Rockefeller University, New York, NY 10065, USA
| | - Katherine S Stewart
- Howard Hughes Medical Institute, Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, The Rockefeller University, New York, NY 10065, USA
| | - Elaine Fuchs
- Howard Hughes Medical Institute, Robin Chemers Neustein Laboratory of Mammalian Cell Biology and Development, The Rockefeller University, New York, NY 10065, USA
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2
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Dillon NR, Manning L, Hirono K, Doe CQ. Seven-up acts in neuroblasts to specify adult central complex neuron identity and initiate neuroblast decommissioning. Development 2024; 151:dev202504. [PMID: 38230563 PMCID: PMC10906098 DOI: 10.1242/dev.202504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 12/22/2023] [Indexed: 01/18/2024]
Abstract
An unanswered question in neurobiology is how are diverse neuron cell types generated from a small number of neural stem cells? In the Drosophila larval central brain, there are eight bilateral Type 2 neuroblast (T2NB) lineages that express a suite of early temporal factors followed by a different set of late temporal factors and generate the majority of the central complex (CX) neurons. The early-to-late switch is triggered by the orphan nuclear hormone receptor Seven-up (Svp), yet little is known about how this Svp-dependent switch is involved in specifying CX neuron identities. Here, we: (1) birth date the CX neurons P-EN and P-FN (early and late, respectively); (2) show that Svp is transiently expressed in all early T2NBs; and (3) show that loss of Svp expands the population of early born P-EN neurons at the expense of late born P-FN neurons. Furthermore, in the absence of Svp, T2NBs fail decommissioning and abnormally extend their lineage into week-old adults. We conclude that Svp is required to specify CX neuron identity, as well as to initiate T2NB decommissioning.
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Affiliation(s)
- Noah R. Dillon
- Institute of Neuroscience, Howard Hughes Medical Institute, University of Oregon, Eugene, OR 97403, USA
| | - Laurina Manning
- Institute of Neuroscience, Howard Hughes Medical Institute, University of Oregon, Eugene, OR 97403, USA
| | - Keiko Hirono
- Institute of Neuroscience, Howard Hughes Medical Institute, University of Oregon, Eugene, OR 97403, USA
| | - Chris Q. Doe
- Institute of Neuroscience, Howard Hughes Medical Institute, University of Oregon, Eugene, OR 97403, USA
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3
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Cheung G, Pauler FM, Koppensteiner P, Krausgruber T, Streicher C, Schrammel M, Gutmann-Özgen N, Ivec AE, Bock C, Shigemoto R, Hippenmeyer S. Multipotent progenitors instruct ontogeny of the superior colliculus. Neuron 2024; 112:230-246.e11. [PMID: 38096816 DOI: 10.1016/j.neuron.2023.11.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 10/06/2023] [Accepted: 11/10/2023] [Indexed: 01/21/2024]
Abstract
The superior colliculus (SC) in the mammalian midbrain is essential for multisensory integration and is composed of a rich diversity of excitatory and inhibitory neurons and glia. However, the developmental principles directing the generation of SC cell-type diversity are not understood. Here, we pursued systematic cell lineage tracing in silico and in vivo, preserving full spatial information, using genetic mosaic analysis with double markers (MADM)-based clonal analysis with single-cell sequencing (MADM-CloneSeq). The analysis of clonally related cell lineages revealed that radial glial progenitors (RGPs) in SC are exceptionally multipotent. Individual resident RGPs have the capacity to produce all excitatory and inhibitory SC neuron types, even at the stage of terminal division. While individual clonal units show no pre-defined cellular composition, the establishment of appropriate relative proportions of distinct neuronal types occurs in a PTEN-dependent manner. Collectively, our findings provide an inaugural framework at the single-RGP/-cell level of the mammalian SC ontogeny.
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Affiliation(s)
- Giselle Cheung
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria
| | - Florian M Pauler
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria
| | - Peter Koppensteiner
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria
| | - Thomas Krausgruber
- CeMM Research Center for Molecular Medicine, Austrian Academy of Sciences; 1090 Vienna, Austria; Medical University of Vienna, Institute of Artificial Intelligence, Center for Medical Data Science, 1090 Vienna, Austria
| | - Carmen Streicher
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria
| | - Martin Schrammel
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria
| | - Natalie Gutmann-Özgen
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria
| | - Alexis E Ivec
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria
| | - Christoph Bock
- CeMM Research Center for Molecular Medicine, Austrian Academy of Sciences; 1090 Vienna, Austria; Medical University of Vienna, Institute of Artificial Intelligence, Center for Medical Data Science, 1090 Vienna, Austria
| | - Ryuichi Shigemoto
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria
| | - Simon Hippenmeyer
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria.
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4
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Liu J, Murray JI. Mechanisms of lineage specification in Caenorhabditis elegans. Genetics 2023; 225:iyad174. [PMID: 37847877 DOI: 10.1093/genetics/iyad174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Accepted: 09/18/2023] [Indexed: 10/19/2023] Open
Abstract
The studies of cell fate and lineage specification are fundamental to our understanding of the development of multicellular organisms. Caenorhabditis elegans has been one of the premiere systems for studying cell fate specification mechanisms at single cell resolution, due to its transparent nature, the invariant cell lineage, and fixed number of somatic cells. We discuss the general themes and regulatory mechanisms that have emerged from these studies, with a focus on somatic lineages and cell fates. We next review the key factors and pathways that regulate the specification of discrete cells and lineages during embryogenesis and postembryonic development; we focus on transcription factors and include numerous lineage diagrams that depict the expression of key factors that specify embryonic founder cells and postembryonic blast cells, and the diverse somatic cell fates they generate. We end by discussing some future perspectives in cell and lineage specification.
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Affiliation(s)
- Jun Liu
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853, USA
| | - John Isaac Murray
- Department of Genetics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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5
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Munroe JA, Doe CQ. Imp is expressed in INPs and newborn neurons where it regulates neuropil targeting in the central complex. Neural Dev 2023; 18:9. [PMID: 38031099 PMCID: PMC10685609 DOI: 10.1186/s13064-023-00177-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 11/06/2023] [Indexed: 12/01/2023] Open
Abstract
The generation of neuronal diversity remains incompletely understood. In Drosophila, the central brain is populated by neural stem cells derived from progenitors called neuroblasts (NBs). There are two types of NBs, type 1 and 2. T1NBs have a relatively simple lineage, whereas T2NBs expand and diversify the neural population with the generation of intermediate neural progenitors (INPs), contributing many neurons to the adult central complex, a brain region essential for navigation. However, it is not fully understood how neural diversity is created in T2NB and INP lineages. Imp, an RNA-binding protein, is expressed in T2NBs in a high-to-low temporal gradient, while the RNA-binding protein Syncrip forms an opposing gradient. It remains unknown if Imp expression is carried into INPs; whether it forms a gradient similar to NBs; and whether INP expression of Imp is required for generating neuronal identity or morphology. Here, we show that Imp/Syp are both present in INPs, but not always in opposing gradients. We find that newborn INPs adopt their Imp/Syp levels from their parental T2NBs; that Imp and Syp are expressed in stage-specific high-to-low gradients in INPs. In addition, there is a late INP pulse of Imp. We find that neurons born from old INPs (E-PG and PF-R neurons) have altered morphology following both Imp knock-down and Imp overexpression. We conclude that Imp functions in INPs and newborn neurons to determine proper neuronal morphology and central complex neuropil organization.
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Affiliation(s)
- Jordan A Munroe
- Institute of Neuroscience, Howard Hughes Medical Institute, Univ. of Oregon, Eugene, OR, 97403, USA
| | - Chris Q Doe
- Institute of Neuroscience, Howard Hughes Medical Institute, Univ. of Oregon, Eugene, OR, 97403, USA.
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6
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Lin S, Margueron R, Charafe-Jauffret E, Ginestier C. Disruption of lineage integrity as a precursor to breast tumor initiation. Trends Cell Biol 2023; 33:887-897. [PMID: 37061355 DOI: 10.1016/j.tcb.2023.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 03/13/2023] [Accepted: 03/17/2023] [Indexed: 04/17/2023]
Abstract
Increase in lineage infidelity and/or imbalance is frequently observed around the earliest stage of breast tumor initiation. In response to disruption of homeostasis, differentiated cells can partially lose their identity and gain cellular plasticity, a process involving epigenome landscape remodeling. This increase of cellular plasticity may promote the malignant transformation of breast tumors and fuel their heterogeneity. Here, we review recent studies that have yield insights into important regulators of lineage integrity and mechanisms that trigger mammary epithelial lineage derail, and evaluate their impacts on breast tumor development.
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Affiliation(s)
- Shuheng Lin
- CRCM, Inserm, CNRS, Institut Paoli-Calmettes, Aix-Marseille Univeristy, Epithelial Stem Cells and Cancer Laboratory, Equipe Labellisée LIGUE Contre le Cancer, Marseille, France
| | - Raphaël Margueron
- Institut Curie, PSL Research University, Sorbonne University, Paris, France
| | - Emmanuelle Charafe-Jauffret
- CRCM, Inserm, CNRS, Institut Paoli-Calmettes, Aix-Marseille Univeristy, Epithelial Stem Cells and Cancer Laboratory, Equipe Labellisée LIGUE Contre le Cancer, Marseille, France.
| | - Christophe Ginestier
- CRCM, Inserm, CNRS, Institut Paoli-Calmettes, Aix-Marseille Univeristy, Epithelial Stem Cells and Cancer Laboratory, Equipe Labellisée LIGUE Contre le Cancer, Marseille, France.
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7
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Rukh S, Meechan DW, Maynard TM, Lamantia AS. Out of Line or Altered States? Neural Progenitors as a Target in a Polygenic Neurodevelopmental Disorder. Dev Neurosci 2023; 46:1-21. [PMID: 37231803 DOI: 10.1159/000530898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 04/19/2023] [Indexed: 05/27/2023] Open
Abstract
The genesis of a mature complement of neurons is thought to require, at least in part, precursor cell lineages in which neural progenitors have distinct identities recognized by exclusive expression of one or a few molecular markers. Nevertheless, limited progenitor types distinguished by specific markers and lineal progression through such subclasses cannot easily yield the magnitude of neuronal diversity in most regions of the nervous system. The late Verne Caviness, to whom this edition of Developmental Neuroscience is dedicated, recognized this mismatch. In his pioneering work on the histogenesis of the cerebral cortex, he acknowledged the additional flexibility required to generate multiple classes of cortical projection and interneurons. This flexibility may be accomplished by establishing cell states in which levels rather than binary expression or repression of individual genes vary across each progenitor's shared transcriptome. Such states may reflect local, stochastic signaling via soluble factors or coincidence of cell surface ligand/receptor pairs in subsets of neighboring progenitors. This probabilistic, rather than determined, signaling could modify transcription levels via multiple pathways within an apparently uniform population of progenitors. Progenitor states, therefore, rather than lineal relationships between types may underlie the generation of neuronal diversity in most regions of the nervous system. Moreover, mechanisms that influence variation required for flexible progenitor states may be targets for pathological changes in a broad range of neurodevelopmental disorders, especially those with polygenic origins.
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Affiliation(s)
- Shah Rukh
- Fralin Biomedical Research Institute, Virginia Tech Carilion School of Medicine, Roanoke, Virginia, USA
| | - Daniel W Meechan
- Fralin Biomedical Research Institute, Virginia Tech Carilion School of Medicine, Roanoke, Virginia, USA
| | - Thomas M Maynard
- Fralin Biomedical Research Institute, Virginia Tech Carilion School of Medicine, Roanoke, Virginia, USA
| | - Anthony-Samuel Lamantia
- Fralin Biomedical Research Institute, Virginia Tech Carilion School of Medicine, Roanoke, Virginia, USA
- Department of Biological Sciences, Virginia Tech, Blacksburg, Virginia, USA
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8
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Hippenmeyer S. Principles of neural stem cell lineage progression: Insights from developing cerebral cortex. Curr Opin Neurobiol 2023; 79:102695. [PMID: 36842274 DOI: 10.1016/j.conb.2023.102695] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 01/18/2023] [Accepted: 01/29/2023] [Indexed: 02/28/2023]
Abstract
How to generate a brain of correct size and with appropriate cell-type diversity during development is a major question in Neuroscience. In the developing neocortex, radial glial progenitor (RGP) cells are the main neural stem cells that produce cortical excitatory projection neurons, glial cells, and establish the prospective postnatal stem cell niche in the lateral ventricles. RGPs follow a tightly orchestrated developmental program that when disrupted can result in severe cortical malformations such as microcephaly and megalencephaly. The precise cellular and molecular mechanisms instructing faithful RGP lineage progression are however not well understood. This review will summarize recent conceptual advances that contribute to our understanding of the general principles of RGP lineage progression.
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Affiliation(s)
- Simon Hippenmeyer
- Institute of Science and Technology Austria (ISTA), Am Campus 1, 3400 Klosterneuburg, Austria.
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9
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Espinosa-Medina I, Feliciano D, Belmonte-Mateos C, Linda Miyares R, Garcia-Marques J, Foster B, Lindo S, Pujades C, Koyama M, Lee T. TEMPO enables sequential genetic labeling and manipulation of vertebrate cell lineages. Neuron 2023; 111:345-361.e10. [PMID: 36417906 DOI: 10.1016/j.neuron.2022.10.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 08/15/2022] [Accepted: 10/26/2022] [Indexed: 11/24/2022]
Abstract
During development, regulatory factors appear in a precise order to determine cell fates over time. Consequently, to investigate complex tissue development, it is necessary to visualize and manipulate cell lineages with temporal control. Current strategies for tracing vertebrate cell lineages lack genetic access to sequentially produced cells. Here, we present TEMPO (Temporal Encoding and Manipulation in a Predefined Order), an imaging-readable genetic tool allowing differential labeling and manipulation of consecutive cell generations in vertebrates. TEMPO is based on CRISPR and powered by a cascade of gRNAs that drive orderly activation and inactivation of reporters and/or effectors. Using TEMPO to visualize zebrafish and mouse neurogenesis, we recapitulated birth-order-dependent neuronal fates. Temporally manipulating cell-cycle regulators in mouse cortex progenitors altered the proportion and distribution of neurons and glia, revealing the effects of temporal gene perturbation on serial cell fates. Thus, TEMPO enables sequential manipulation of molecular factors, crucial to study cell-type specification.
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Affiliation(s)
| | - Daniel Feliciano
- Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA
| | - Carla Belmonte-Mateos
- Department of Experimental and Health Sciences, Universitat Pompeu Fabra, PRBB, Barcelona 08003, Spain
| | - Rosa Linda Miyares
- Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA
| | - Jorge Garcia-Marques
- Centro Nacional de Biotecnologia, Consejo Superior de Investigaciones Cientificas, Madrid 28049, Spain
| | - Benjamin Foster
- Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA
| | - Sarah Lindo
- Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA
| | - Cristina Pujades
- Department of Experimental and Health Sciences, Universitat Pompeu Fabra, PRBB, Barcelona 08003, Spain
| | - Minoru Koyama
- Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA; Department of Biological Sciences, University of Toronto Scarborough, Toronto, ON M1C 1A4, Canada
| | - Tzumin Lee
- Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA.
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Vrij EJ, Scholte op Reimer YS, Fuentes LR, Guerreiro IM, Holzmann V, Aldeguer JF, Sestini G, Koo BK, Kind J, van Blitterswijk CA, Rivron NC. A pendulum of induction between the epiblast and extra-embryonic endoderm supports post-implantation progression. Development 2022; 149:dev192310. [PMID: 35993866 PMCID: PMC9534490 DOI: 10.1242/dev.192310] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 06/23/2022] [Indexed: 08/17/2023]
Abstract
Embryogenesis is supported by dynamic loops of cellular interactions. Here, we create a partial mouse embryo model to elucidate the principles of epiblast (Epi) and extra-embryonic endoderm co-development (XEn). We trigger naive mouse embryonic stem cells to form a blastocyst-stage niche of Epi-like cells and XEn-like cells (3D, hydrogel free and serum free). Once established, these two lineages autonomously progress in minimal medium to form an inner pro-amniotic-like cavity surrounded by polarized Epi-like cells covered with visceral endoderm (VE)-like cells. The progression occurs through reciprocal inductions by which the Epi supports the primitive endoderm (PrE) to produce a basal lamina that subsequently regulates Epi polarization and/or cavitation, which, in return, channels the transcriptomic progression to VE. This VE then contributes to Epi bifurcation into anterior- and posterior-like states. Similarly, boosting the formation of PrE-like cells within blastoids supports developmental progression. We argue that self-organization can arise from lineage bifurcation followed by a pendulum of induction that propagates over time.
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Affiliation(s)
- Erik J. Vrij
- MERLN Institute for Technology-inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, 6229 ER Maastricht, Netherlands
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna Biocenter, Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Yvonne S. Scholte op Reimer
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna Biocenter, Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Laury Roa Fuentes
- MERLN Institute for Technology-inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, 6229 ER Maastricht, Netherlands
| | - Isabel Misteli Guerreiro
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, UtrechtUppsalalaan 8, 3584 CT Utrecht, Netherlands
| | - Viktoria Holzmann
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna Biocenter, Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Javier Frias Aldeguer
- MERLN Institute for Technology-inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, 6229 ER Maastricht, Netherlands
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, UtrechtUppsalalaan 8, 3584 CT Utrecht, Netherlands
| | - Giovanni Sestini
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna Biocenter, Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Bon-Kyoung Koo
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna Biocenter, Dr. Bohr-Gasse 3, 1030 Vienna, Austria
| | - Jop Kind
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, UtrechtUppsalalaan 8, 3584 CT Utrecht, Netherlands
- Department of Molecular Biology, Faculty of Science, Radboud Institute for Molecular Life Sciences, Radboud University Nijmegen, Geert Grooteplein Zuid 10, 6525 GA Nijmegen, Netherlands
| | - Clemens A. van Blitterswijk
- MERLN Institute for Technology-inspired Regenerative Medicine, Maastricht University, Universiteitssingel 40, 6229 ER Maastricht, Netherlands
| | - Nicolas C. Rivron
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences, Vienna Biocenter, Dr. Bohr-Gasse 3, 1030 Vienna, Austria
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11
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Pérez E, Venkatanarayan A, Lundell MJ. Hunchback prevents notch-induced apoptosis in the serotonergic lineage of Drosophila Melanogaster. Dev Biol 2022; 486:109-120. [PMID: 35381219 DOI: 10.1016/j.ydbio.2022.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 03/16/2022] [Accepted: 03/30/2022] [Indexed: 11/19/2022]
Abstract
The serotonergic lineage (NB7-3) in the Drosophila ventral nerve cord produces six cells during neurogenesis. Four of the cells differentiate into neurons: EW1, EW2, EW3 and GW. The other two cells undergo apoptosis. This simple lineage provides an opportunity to examine genes that are required to induce or repress apoptosis during cell specification. Previous studies have shown that Notch signaling induces apoptosis within the NB7-3 lineage. The three EW neurons are protected from Notch-induced apoptosis by asymmetric distribution of Numb protein, an inhibitor of Notch signaling. In a numb1 mutant EW2 and EW3 undergo apoptosis. The EW1 and GW neurons survive even in a numb1 mutant background suggesting that these cells are protected from Notch-induced apoptosis by some factor other than Numb. The EW1 and GW neurons are mitotic sister cells, and uniquely express the transcription factor Hunchback. We present evidence that Hunchback prevents apoptosis in the NB7-3 lineage during normal CNS development and can rescue the two apoptotic cells in the lineage when it is ectopically expressed. We show that hunchback overexpression produces ectopic cells that express markers similar to the EW2 neuron and changes the expression pattern of the EW3 neuron to a EW2 neuron In addition we show that hunchback overexpression can override apoptosis that is genetically induced by the pro-apoptotic genes grim and hid.
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Affiliation(s)
- Ernesto Pérez
- Department of Biology, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249, USA
| | | | - Martha J Lundell
- Department of Biology, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249, USA.
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12
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Pilbauerova N, Schmidt J, Soukup T, Duska J, Suchanek J. Intra-Individual Variability of Human Dental Pulp Stem Cell Features Isolated from the Same Donor. Int J Mol Sci 2021; 22:ijms222413515. [PMID: 34948330 PMCID: PMC8709021 DOI: 10.3390/ijms222413515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 12/10/2021] [Accepted: 12/13/2021] [Indexed: 02/07/2023] Open
Abstract
It is primarily important to define the standard features and factors that affect dental pulp stem cells (DPSCs) for their broader use in tissue engineering. This study aimed to verify whether DPSCs isolated from various teeth extracted from the same donor exhibit intra-individual variability and what the consequences are for their differentiation potential. The heterogeneity determination was based on studying the proliferative capacity, viability, expression of phenotypic markers, and relative length of telomere chromosomes. The study included 14 teeth (6 molars and 8 premolars) from six different individuals ages 12 to 16. We did not observe any significant intra-individual variability in DPSC size, proliferation rate, viability, or relative telomere length change within lineages isolated from different teeth but the same donor. The minor non-significant variances in phenotype were probably mainly because DPSC cell lines comprised heterogeneous groups of undifferentiated cells independent of the donor. The other variances were seen in DPSC lineages isolated from the same donor, but the teeth were in different stages of root development. We also did not observe any changes in the ability of cells to differentiate into mature cell lines—chondrocytes, osteocytes, and adipocytes. This study is the first to analyze the heterogeneity of DPSC dependent on a donor.
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Affiliation(s)
- Nela Pilbauerova
- Department of Dentistry, Charles University, Faculty of Medicine in Hradec Kralove and University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic; (N.P.); (J.D.); (J.S.)
| | - Jan Schmidt
- Department of Dentistry, Charles University, Faculty of Medicine in Hradec Kralove and University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic; (N.P.); (J.D.); (J.S.)
- Correspondence: ; Tel.: +420-495-832-634
| | - Tomas Soukup
- Department of Histology and Embryology, Charles University, Faculty of Medicine in Hradec Kralove, Simkova 870, 500 03 Hradec Kralove, Czech Republic;
| | - Jan Duska
- Department of Dentistry, Charles University, Faculty of Medicine in Hradec Kralove and University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic; (N.P.); (J.D.); (J.S.)
| | - Jakub Suchanek
- Department of Dentistry, Charles University, Faculty of Medicine in Hradec Kralove and University Hospital Hradec Kralove, Sokolska 581, 500 05 Hradec Kralove, Czech Republic; (N.P.); (J.D.); (J.S.)
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13
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Andergassen D, Smith ZD, Kretzmer H, Rinn JL, Meissner A. Diverse epigenetic mechanisms maintain parental imprints within the embryonic and extraembryonic lineages. Dev Cell 2021; 56:2995-3005.e4. [PMID: 34752748 DOI: 10.1016/j.devcel.2021.10.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 08/06/2021] [Accepted: 10/12/2021] [Indexed: 11/20/2022]
Abstract
Genomic imprinting and X chromosome inactivation (XCI) require epigenetic mechanisms to encode allele-specific expression, but how these specific tasks are accomplished at single loci or across chromosomal scales remains incompletely understood. Here, we systematically disrupt essential epigenetic pathways within polymorphic embryos in order to examine canonical and non-canonical genomic imprinting as well as XCI. We find that DNA methylation and Polycomb group repressors are indispensable for autosomal imprinting, albeit at distinct gene sets. Moreover, the extraembryonic ectoderm relies on a broader spectrum of imprinting mechanisms, including non-canonical targeting of maternal endogenous retrovirus (ERV)-driven promoters by the H3K9 methyltransferase G9a. We further identify Polycomb-dependent and -independent gene clusters on the imprinted X chromosome, which appear to reflect distinct domains of Xist-mediated suppression. From our data, we assemble a comprehensive inventory of the epigenetic pathways that maintain parent-specific imprinting in eutherian mammals, including an expanded view of the placental lineage.
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Affiliation(s)
- Daniel Andergassen
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Institute of Pharmacology and Toxicology, Technical University Munich (TUM), Munich 80802, Germany
| | - Zachary D Smith
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Yale Stem Cell Center, Department of Genetics, Yale School of Medicine, New Haven, CT 06519, USA
| | - Helene Kretzmer
- Department of Genome Regulation, Max Planck Institute for Molecular Genetics, Berlin 14195, Germany
| | - John L Rinn
- Department of Biochemistry, University of Colorado Boulder, Boulder 80303, USA
| | - Alexander Meissner
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Department of Genome Regulation, Max Planck Institute for Molecular Genetics, Berlin 14195, Germany; Institute of Chemistry and Biochemistry, Freie Universität Berlin, Berlin 14195, Germany.
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14
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Peaslee C, Esteva-Font C, Su T, Munoz-Howell A, Duwaerts CC, Liu Z, Rao S, Liu K, Medina M, Sneddon JB, Maher JJ, Mattis AN. Doxycycline Significantly Enhances Induction of Induced Pluripotent Stem Cells to Endoderm by Enhancing Survival Through Protein Kinase B Phosphorylation. Hepatology 2021; 74:2102-2117. [PMID: 33982322 PMCID: PMC8544023 DOI: 10.1002/hep.31898] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 03/15/2021] [Accepted: 04/22/2021] [Indexed: 01/10/2023]
Abstract
BACKGROUND AND AIMS Induced pluripotent stem cells (iPSCs) provide an important tool for the generation of patient-derived cells, including hepatocyte-like cells, by developmental cues through an endoderm intermediate. However, most iPSC lines fail to differentiate into endoderm, with induction resulting in apoptosis. APPROACH AND RESULTS To address this issue, we built upon published methods to develop an improved protocol. We discovered that doxycycline dramatically enhances the efficiency of iPSCs to endoderm differentiation by inhibiting apoptosis and promoting proliferation through the protein kinase B pathway. We tested this protocol in >70 iPSC lines, 90% of which consistently formed complete sheets of endoderm. Endoderm generated by our method achieves similar transcriptomic profiles, expression of endoderm protein markers, and the ability to be further differentiated to downstream lineages. CONCLUSIONS Furthermore, this method achieves a 4-fold increase in endoderm cell number and will accelerate studies of human diseases in vitro and facilitate the expansion of iPSC-derived cells for transplantation studies.
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Affiliation(s)
- Caitlin Peaslee
- Department of Pathology, University of California San Francisco, San Francisco, CA
| | - Cristina Esteva-Font
- Department of Pathology, University of California San Francisco, San Francisco, CA
| | - Tao Su
- Department of Pathology, University of California San Francisco, San Francisco, CA
| | - Antonio Munoz-Howell
- Children’s Hospital Oakland Research Institute, University of California San Francisco, San Francisco, CA
| | - Caroline C. Duwaerts
- Department of Medicine, University of California San Francisco, San Francisco, CA
- Liver Center, University of California San Francisco, San Francisco, CA
| | - Zhe Liu
- Department of Cell and Tissue Biology, University of California San Francisco, San Francisco, CA
- Diabetes Center, University of California San Francisco, San Francisco, CA
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California San Francisco, San Francisco, CA
| | - Sneha Rao
- Department of Cell and Tissue Biology, University of California San Francisco, San Francisco, CA
- Diabetes Center, University of California San Francisco, San Francisco, CA
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California San Francisco, San Francisco, CA
| | - Ke Liu
- Children’s Hospital Oakland Research Institute, University of California San Francisco, San Francisco, CA
| | - Marisa Medina
- Children’s Hospital Oakland Research Institute, University of California San Francisco, San Francisco, CA
- Liver Center, University of California San Francisco, San Francisco, CA
| | - Julie B. Sneddon
- Department of Cell and Tissue Biology, University of California San Francisco, San Francisco, CA
- Diabetes Center, University of California San Francisco, San Francisco, CA
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California San Francisco, San Francisco, CA
- Department of Anatomy, University of California San Francisco, San Francisco, CA
| | - Jacquelyn J. Maher
- Department of Medicine, University of California San Francisco, San Francisco, CA
- Liver Center, University of California San Francisco, San Francisco, CA
- Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California San Francisco, San Francisco, CA
| | - Aras N. Mattis
- Department of Pathology, University of California San Francisco, San Francisco, CA
- Liver Center, University of California San Francisco, San Francisco, CA
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15
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Abstract
Visualizing, tracking and reconstructing cell lineages in developing embryos has been an ongoing effort for well over a century. Recent advances in light microscopy, labelling strategies and computational methods to analyse complex image datasets have enabled detailed investigations into the fates of cells. Combined with powerful new advances in genomics and single-cell transcriptomics, the field of developmental biology is able to describe the formation of the embryo like never before. In this Review, we discuss some of the different strategies and applications to lineage tracing in live-imaging data and outline software methodologies that can be applied to various cell-tracking challenges.
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Affiliation(s)
- Steffen Wolf
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK
| | - Yinan Wan
- Biozentrum, University of Basel, Basel, 4056, Switzerland
| | - Katie McDole
- MRC Laboratory of Molecular Biology, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK
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16
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Floy ME, Givens SE, Matthys OB, Mateyka TD, Kerr CM, Steinberg AB, Silva AC, Zhang J, Mei Y, Ogle BM, McDevitt TC, Kamp TJ, Palecek SP. Developmental lineage of human pluripotent stem cell-derived cardiac fibroblasts affects their functional phenotype. FASEB J 2021; 35:e21799. [PMID: 34339055 PMCID: PMC8349112 DOI: 10.1096/fj.202100523r] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/15/2021] [Accepted: 06/30/2021] [Indexed: 01/24/2023]
Abstract
Cardiac fibroblasts (CFBs) support heart function by secreting extracellular matrix (ECM) and paracrine factors, respond to stress associated with injury and disease, and therefore are an increasingly important therapeutic target. We describe how developmental lineage of human pluripotent stem cell-derived CFBs, epicardial (EpiC-FB), and second heart field (SHF-FB) impacts transcriptional and functional properties. Both EpiC-FBs and SHF-FBs exhibited CFB transcriptional programs and improved calcium handling in human pluripotent stem cell-derived cardiac tissues. We identified differences including in composition of ECM synthesized, secretion of growth and differentiation factors, and myofibroblast activation potential, with EpiC-FBs exhibiting higher stress-induced activation potential akin to myofibroblasts and SHF-FBs demonstrating higher calcification and mineralization potential. These phenotypic differences suggest that EpiC-FBs have utility in modeling fibrotic diseases while SHF-FBs are a promising source of cells for regenerative therapies. This work directly contrasts regional and developmental specificity of CFBs and informs CFB in vitro model selection.
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Affiliation(s)
- Martha E Floy
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - Sophie E Givens
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
| | - Oriane B Matthys
- UC Berkeley-UC San Francisco Graduate Program in Bioengineering, Berkley, CA, USA
- Gladstone Institute of Cardiovascular Disease, Gladstone Institutes, San Francisco, CA, USA
| | - Taylor D Mateyka
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - Charles M Kerr
- Molecular Cell Biology and Pathobiology Program, Medical University of South Carolina, Charleston, SC, USA
| | - Alexandra B Steinberg
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - Ana C Silva
- Gladstone Institute of Cardiovascular Disease, Gladstone Institutes, San Francisco, CA, USA
| | - Jianhua Zhang
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Ying Mei
- Department of Bioengineering, Clemson University, Clemson, SC, USA
| | - Brenda M Ogle
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
- Stem Cell Institute, University of Minnesota, Minneapolis, MN, USA
| | - Todd C McDevitt
- Gladstone Institute of Cardiovascular Disease, Gladstone Institutes, San Francisco, CA, USA
| | - Timothy J Kamp
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, USA
| | - Sean P Palecek
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, USA
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17
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Nimkulrat SD, Bernstein MN, Ni Z, Brown J, Kendziorski C, Blum B. The Anna Karenina Model of β-Cell Maturation in Development and Their Dedifferentiation in Type 1 and Type 2 Diabetes. Diabetes 2021; 70:2058-2066. [PMID: 34417264 PMCID: PMC8576426 DOI: 10.2337/db21-0211] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 06/10/2021] [Indexed: 11/13/2022]
Abstract
Loss of mature β-cell function and identity, or β-cell dedifferentiation, is seen in both type 1 and type 2 diabetes. Two competing models explain β-cell dedifferentiation in diabetes. In the first model, β-cells dedifferentiate in the reverse order of their developmental ontogeny. This model predicts that dedifferentiated β-cells resemble β-cell progenitors. In the second model, β-cell dedifferentiation depends on the type of diabetogenic stress. This model, which we call the "Anna Karenina" model, predicts that in each type of diabetes, β-cells dedifferentiate in their own way, depending on how their mature identity is disrupted by any particular diabetogenic stress. We directly tested the two models using a β-cell-specific lineage-tracing system coupled with RNA sequencing in mice. We constructed a multidimensional map of β-cell transcriptional trajectories during the normal course of β-cell postnatal development and during their dedifferentiation in models of both type 1 diabetes (NOD) and type 2 diabetes (BTBR-Lepob/ob ). Using this unbiased approach, we show here that despite some similarities between immature and dedifferentiated β-cells, β-cell dedifferentiation in the two mouse models is not a reversal of developmental ontogeny and is different between different types of diabetes.
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Affiliation(s)
- Sutichot D Nimkulrat
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, WI
| | | | - Zijian Ni
- Department of Statistics, University of Wisconsin-Madison, Madison, WI
| | - Jared Brown
- Department of Statistics, University of Wisconsin-Madison, Madison, WI
| | - Christina Kendziorski
- Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison, Madison, WI
| | - Barak Blum
- Department of Cell and Regenerative Biology, University of Wisconsin-Madison School of Medicine and Public Health, Madison, WI
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18
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Hariri H, St-Arnaud R. Expression and Role of Ubiquitin-Specific Peptidases in Osteoblasts. Int J Mol Sci 2021; 22:ijms22147746. [PMID: 34299363 PMCID: PMC8304380 DOI: 10.3390/ijms22147746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/12/2021] [Accepted: 07/16/2021] [Indexed: 11/16/2022] Open
Abstract
The ubiquitin-proteasome system regulates biological processes in normal and diseased states. Recent investigations have focused on ubiquitin-dependent modifications and their impacts on cellular function, commitment, and differentiation. Ubiquitination is reversed by deubiquitinases, including ubiquitin-specific peptidases (USPs), whose roles have been widely investigated. In this review, we explore recent findings highlighting the regulatory functions of USPs in osteoblasts and providing insight into the molecular mechanisms governing their actions during bone formation. We also give a brief overview of our work on USP53, a target of PTH in osteoblasts and a regulator of mesenchymal cell lineage fate decisions. Emerging evidence addresses questions pertaining to the complex layers of regulation exerted by USPs on osteoblast signaling. We provide a short overview of our and others' understanding of how USPs modulate osteoblastogenesis. However, further studies using knockout mouse models are needed to fully understand the mechanisms underpinning USPs actions.
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Affiliation(s)
- Hadla Hariri
- Research Centre, Shriners Hospital for Children, Montreal, QC H4A 0A9, Canada;
- Department of Human Genetics, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H3A 0C7, Canada
| | - René St-Arnaud
- Research Centre, Shriners Hospital for Children, Montreal, QC H4A 0A9, Canada;
- Department of Human Genetics, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H3A 0C7, Canada
- Department of Surgery, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H3G 1A4, Canada
- Department of Medicine, Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H3A 1A1, Canada
- Correspondence: ; Tel.: +514-282-7155; Fax: +514-842-5581
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19
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Quintero-Espinosa D, Soto-Mercado V, Quintero-Quinchia C, Mendivil-Perez M, Velez-Pardo C, Jimenez-Del-Rio M. Latent Tri-lineage Potential of Human Menstrual Blood-Derived Mesenchymal Stromal Cells Revealed by Specific In Vitro Culture Conditions. Mol Neurobiol 2021; 58:5194-5209. [PMID: 34269964 DOI: 10.1007/s12035-021-02442-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 06/03/2021] [Indexed: 01/02/2023]
Abstract
Human menstrual blood-derived mesenchymal stromal cells (MenSCs) have become not only an important source of stromal cells for cell therapy but also a cellular source for neurologic disorders in vitro modeling. By using culture protocols originally developed in our laboratory, we show that MenSCs can be converted into floating neurospheres (NSs) using the Fast-N-Spheres medium for 24-72 h and can be transdifferentiated into functional dopaminergic-like (DALNs, ~ 26% TH + /DAT + flow cytometry) and cholinergic-like neurons (ChLNs, ~ 46% ChAT + /VAChT flow cytometry) which responded to dopamine- and acetylcholine-triggered neuronal Ca2+ inward stimuli when cultured with the NeuroForsk and the Cholinergic-N-Run medium, respectively in a timely fashion (i.e., 4-7 days). Here, we also report a direct transdifferentiation method to induce MenSCs into functional astrocyte-like cells (ALCs) by incubation of MenSCs in commercial Gibco® Astrocyte medium in 7 days. The MSC-derived ALCs (~ 59% GFAP + /S100β +) were found to respond to glutamate-induced Ca2+ inward stimuli. Altogether, these results show that MenSCs are a reliable source to obtain functional neurogenic cells to further investigate the neurobiology of neurologic disorders.
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Affiliation(s)
- Diana Quintero-Espinosa
- Neuroscience Research Group, Medical Research Institute, Faculty of Medicine, University Research Center (URC), University of Antioquia (UdeA), Calle 70 no. 52-21, and Calle 62 no. 52-59, Building 1, Room 412, Medellin, Colombia
| | - Viviana Soto-Mercado
- Neuroscience Research Group, Medical Research Institute, Faculty of Medicine, University Research Center (URC), University of Antioquia (UdeA), Calle 70 no. 52-21, and Calle 62 no. 52-59, Building 1, Room 412, Medellin, Colombia
| | - Catherine Quintero-Quinchia
- Neuroscience Research Group, Medical Research Institute, Faculty of Medicine, University Research Center (URC), University of Antioquia (UdeA), Calle 70 no. 52-21, and Calle 62 no. 52-59, Building 1, Room 412, Medellin, Colombia
| | - Miguel Mendivil-Perez
- Neuroscience Research Group, Medical Research Institute, Faculty of Medicine, University Research Center (URC), University of Antioquia (UdeA), Calle 70 no. 52-21, and Calle 62 no. 52-59, Building 1, Room 412, Medellin, Colombia
| | - Carlos Velez-Pardo
- Neuroscience Research Group, Medical Research Institute, Faculty of Medicine, University Research Center (URC), University of Antioquia (UdeA), Calle 70 no. 52-21, and Calle 62 no. 52-59, Building 1, Room 412, Medellin, Colombia
| | - Marlene Jimenez-Del-Rio
- Neuroscience Research Group, Medical Research Institute, Faculty of Medicine, University Research Center (URC), University of Antioquia (UdeA), Calle 70 no. 52-21, and Calle 62 no. 52-59, Building 1, Room 412, Medellin, Colombia.
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20
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Ng HL, Quail E, Cruickshank MN, Ulgiati D. To Be, or Notch to Be: Mediating Cell Fate from Embryogenesis to Lymphopoiesis. Biomolecules 2021; 11:biom11060849. [PMID: 34200313 PMCID: PMC8227657 DOI: 10.3390/biom11060849] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 05/29/2021] [Accepted: 06/04/2021] [Indexed: 12/11/2022] Open
Abstract
Notch signaling forms an evolutionarily conserved juxtacrine pathway crucial for cellular development. Initially identified in Drosophila wing morphogenesis, Notch signaling has since been demonstrated to play pivotal roles in governing mammalian cellular development in a large variety of cell types. Indeed, abolishing Notch constituents in mouse models result in embryonic lethality, demonstrating that Notch signaling is critical for development and differentiation. In this review, we focus on the crucial role of Notch signaling in governing embryogenesis and differentiation of multiple progenitor cell types. Using hematopoiesis as a diverse cellular model, we highlight the role of Notch in regulating the cell fate of common lymphoid progenitors. Additionally, the influence of Notch through microenvironment interplay with lymphoid cells and how dysregulation influences disease processes is explored. Furthermore, bi-directional and lateral Notch signaling between ligand expressing source cells and target cells are investigated, indicating potentially novel therapeutic options for treatment of Notch-mediated diseases. Finally, we discuss the role of cis-inhibition in regulating Notch signaling in mammalian development.
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Affiliation(s)
- Han Leng Ng
- Centre for Haematology, Department of Immunology and Inflammation, Faculty of Medicine, Imperial College London, Du Cane Road, London W12 0NN, UK;
- School of Biomedical Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia; (E.Q.); (M.N.C.)
| | - Elizabeth Quail
- School of Biomedical Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia; (E.Q.); (M.N.C.)
- School of Molecular Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia
| | - Mark N. Cruickshank
- School of Biomedical Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia; (E.Q.); (M.N.C.)
| | - Daniela Ulgiati
- School of Biomedical Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia; (E.Q.); (M.N.C.)
- Correspondence: ; Tel.: +61-8-6457-1076
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21
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Pojer JM, Saiful Hilmi AJ, Kondo S, Harvey KF. Crumbs and the apical spectrin cytoskeleton regulate R8 cell fate in the Drosophila eye. PLoS Genet 2021; 17:e1009146. [PMID: 34097697 PMCID: PMC8211197 DOI: 10.1371/journal.pgen.1009146] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 06/17/2021] [Accepted: 05/11/2021] [Indexed: 12/31/2022] Open
Abstract
The Hippo pathway is an important regulator of organ growth and cell fate. In the R8 photoreceptor cells of the Drosophila melanogaster eye, the Hippo pathway controls the fate choice between one of two subtypes that express either the blue light-sensitive Rhodopsin 5 (Hippo inactive R8 subtype) or the green light-sensitive Rhodopsin 6 (Hippo active R8 subtype). The degree to which the mechanism of Hippo signal transduction and the proteins that mediate it are conserved in organ growth and R8 cell fate choice is currently unclear. Here, we identify Crumbs and the apical spectrin cytoskeleton as regulators of R8 cell fate. By contrast, other proteins that influence Hippo-dependent organ growth, such as the basolateral spectrin cytoskeleton and Ajuba, are dispensable for the R8 cell fate choice. Surprisingly, Crumbs promotes the Rhodopsin 5 cell fate, which is driven by Yorkie, rather than the Rhodopsin 6 cell fate, which is driven by Warts and the Hippo pathway, which contrasts with its impact on Hippo activity in organ growth. Furthermore, neither the apical spectrin cytoskeleton nor Crumbs appear to regulate the Hippo pathway through mechanisms that have been observed in growing organs. Together, these results show that only a subset of Hippo pathway proteins regulate the R8 binary cell fate decision and that aspects of Hippo signalling differ between growing organs and post-mitotic R8 cells.
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Affiliation(s)
- Jonathan M. Pojer
- Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, Victoria, Australia
| | - Abdul Jabbar Saiful Hilmi
- Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, Victoria, Australia
| | - Shu Kondo
- Laboratory of Invertebrate Genetics, National Institute of Genetics, Mishima, Shizuoka, Japan
| | - Kieran F. Harvey
- Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
- Sir Peter MacCallum Department of Oncology, The University of Melbourne, Parkville, Victoria, Australia
- Department of Anatomy and Developmental Biology, Monash University, Clayton, Victoria, Australia
- * E-mail:
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22
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Masoudi N, Yemini E, Schnabel R, Hobert O. Piecemeal regulation of convergent neuronal lineages by bHLH transcription factors in Caenorhabditis elegans. Development 2021; 148:dev199224. [PMID: 34100067 PMCID: PMC8217713 DOI: 10.1242/dev.199224] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 04/29/2021] [Indexed: 11/20/2022]
Abstract
Cells of the same type can be generated by distinct cellular lineages that originate in different parts of the developing embryo ('lineage convergence'). Several Caenorhabditis elegans neuron classes composed of left/right or radially symmetric class members display such lineage convergence. We show here that the C. elegans Atonal homolog lin-32 is differentially expressed in neuronal lineages that give rise to left/right or radially symmetric class members. Loss of lin-32 results in the selective loss of the expression of pan-neuronal markers and terminal selector-type transcription factors that confer neuron class-specific features. Another basic helix-loop-helix (bHLH) gene, the Achaete-Scute homolog hlh-14, is expressed in a mirror image pattern relative to lin-32 and is required to induce neuronal identity and terminal selector expression on the contralateral side of the animal. These findings demonstrate that distinct lineage histories converge via different bHLH factors at the level of induction of terminal selector identity determinants, which thus serve as integrators of distinct lineage histories. We also describe neuron-to-neuron identity transformations in lin-32 mutants, which we propose to also be the result of misregulation of terminal selector gene expression.
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Affiliation(s)
- Neda Masoudi
- Department of Biological Sciences, Columbia University, Howard Hughes Medical Institute, New York, NY 10027, USA
| | - Eviatar Yemini
- Department of Biological Sciences, Columbia University, Howard Hughes Medical Institute, New York, NY 10027, USA
| | - Ralf Schnabel
- Institute of Genetics, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| | - Oliver Hobert
- Department of Biological Sciences, Columbia University, Howard Hughes Medical Institute, New York, NY 10027, USA
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23
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Ivanovitch K, Soro-Barrio P, Chakravarty P, Jones RA, Bell DM, Mousavy Gharavy SN, Stamataki D, Delile J, Smith JC, Briscoe J. Ventricular, atrial, and outflow tract heart progenitors arise from spatially and molecularly distinct regions of the primitive streak. PLoS Biol 2021; 19:e3001200. [PMID: 33999917 PMCID: PMC8158918 DOI: 10.1371/journal.pbio.3001200] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 05/27/2021] [Accepted: 03/23/2021] [Indexed: 12/22/2022] Open
Abstract
The heart develops from 2 sources of mesoderm progenitors, the first and second heart field (FHF and SHF). Using a single-cell transcriptomic assay combined with genetic lineage tracing and live imaging, we find the FHF and SHF are subdivided into distinct pools of progenitors in gastrulating mouse embryos at earlier stages than previously thought. Each subpopulation has a distinct origin in the primitive streak. The first progenitors to leave the primitive streak contribute to the left ventricle, shortly after right ventricle progenitor emigrate, followed by the outflow tract and atrial progenitors. Moreover, a subset of atrial progenitors are gradually incorporated in posterior locations of the FHF. Although cells allocated to the outflow tract and atrium leave the primitive streak at a similar stage, they arise from different regions. Outflow tract cells originate from distal locations in the primitive streak while atrial progenitors are positioned more proximally. Moreover, single-cell RNA sequencing demonstrates that the primitive streak cells contributing to the ventricles have a distinct molecular signature from those forming the outflow tract and atrium. We conclude that cardiac progenitors are prepatterned within the primitive streak and this prefigures their allocation to distinct anatomical structures of the heart. Together, our data provide a new molecular and spatial map of mammalian cardiac progenitors that will support future studies of heart development, function, and disease.
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24
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Abstract
Hematopoiesis in vertebrate embryos occurs in temporally and spatially overlapping waves in close proximity to blood vascular endothelial cells. Initially, yolk sac hematopoiesis produces primitive erythrocytes, megakaryocytes, and macrophages. Thereafter, sequential waves of definitive hematopoiesis arise from yolk sac and intraembryonic hemogenic endothelia through an endothelial-to-hematopoietic transition (EHT). During EHT, the endothelial and hematopoietic transcriptional programs are tightly co-regulated to orchestrate a shift in cell identity. In the yolk sac, EHT generates erythro-myeloid progenitors, which upon migration to the liver differentiate into fetal blood cells, including erythrocytes and tissue-resident macrophages. In the dorsal aorta, EHT produces hematopoietic stem cells, which engraft the fetal liver and then the bone marrow to sustain adult hematopoiesis. Recent studies have defined the relationship between the developing vascular and hematopoietic systems in animal models, including molecular mechanisms that drive the hemato-endothelial transcription program for EHT. Moreover, human pluripotent stem cells have enabled modeling of fetal human hematopoiesis and have begun to generate cell types of clinical interest for regenerative medicine.
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Affiliation(s)
- Giovanni Canu
- UCL Institute of Ophthalmology, University College London, 11-43 Bath Street, London, EC1V 9EL, UK
| | - Christiana Ruhrberg
- UCL Institute of Ophthalmology, University College London, 11-43 Bath Street, London, EC1V 9EL, UK.
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25
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Angueira AR, Sakers AP, Holman CD, Cheng L, Arbocco MN, Shamsi F, Lynes MD, Shrestha R, Okada C, Batmanov K, Susztak K, Tseng YH, Liaw L, Seale P. Defining the lineage of thermogenic perivascular adipose tissue. Nat Metab 2021; 3:469-484. [PMID: 33846639 PMCID: PMC8136151 DOI: 10.1038/s42255-021-00380-0] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 03/05/2021] [Indexed: 02/08/2023]
Abstract
Brown adipose tissue can expend large amounts of energy, and therefore increasing its size or activity is a promising therapeutic approach to combat metabolic disease. In humans, major deposits of brown fat cells are found intimately associated with large blood vessels, corresponding to perivascular adipose tissue (PVAT). However, the cellular origins of PVAT are poorly understood. Here, we determine the identity of perivascular adipocyte progenitors in mice and humans. In mice, thoracic PVAT develops from a fibroblastic lineage, consisting of progenitor cells (Pdgfra+, Ly6a+ and Pparg-) and preadipocytes (Pdgfra+, Ly6a+ and Pparg+), which share transcriptional similarity with analogous cell types in white adipose tissue. Interestingly, the aortic adventitia of adult animals contains a population of adipogenic smooth muscle cells (Myh11+, Pdgfra- and Pparg+) that contribute to perivascular adipocyte formation. Similarly, human PVAT contains presumptive fibroblastic and smooth muscle-like adipocyte progenitor cells, as revealed by single-nucleus RNA sequencing. Together, these studies define distinct populations of progenitor cells for thermogenic PVAT, providing a foundation for developing strategies to augment brown fat activity.
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Affiliation(s)
- Anthony R Angueira
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Alexander P Sakers
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Corey D Holman
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Lan Cheng
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Michelangella N Arbocco
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Farnaz Shamsi
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Matthew D Lynes
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Rojesh Shrestha
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Renal Electrolyte and Hypertension Division, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Genetics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Chihiro Okada
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Kirill Batmanov
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Katalin Susztak
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
- Renal Electrolyte and Hypertension Division, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Yu-Hua Tseng
- Section on Integrative Physiology and Metabolism, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Lucy Liaw
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME, USA
| | - Patrick Seale
- Institute for Diabetes, Obesity & Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.
- Department of Cell and Developmental Biology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA.
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26
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Gong Y, Alassimone J, Varnau R, Sharma N, Cheung LS, Bergmann DC. Tuning self-renewal in the Arabidopsis stomatal lineage by hormone and nutrient regulation of asymmetric cell division. eLife 2021; 10:e63335. [PMID: 33739283 PMCID: PMC8009662 DOI: 10.7554/elife.63335] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 03/18/2021] [Indexed: 02/03/2023] Open
Abstract
Asymmetric and self-renewing divisions build and pattern tissues. In the Arabidopsis stomatal lineage, asymmetric cell divisions, guided by polarly localized cortical proteins, generate most cells on the leaf surface. Systemic and environmental signals modify tissue development, but the mechanisms by which plants incorporate such cues to regulate asymmetric divisions are elusive. In a screen for modulators of cell polarity, we identified CONSTITUTIVE TRIPLE RESPONSE1, a negative regulator of ethylene signaling. We subsequently revealed antagonistic impacts of ethylene and glucose signaling on the self-renewing capacity of stomatal lineage stem cells. Quantitative analysis of cell polarity and fate dynamics showed that developmental information may be encoded in both the spatial and temporal asymmetries of polarity proteins. These results provide a framework for a mechanistic understanding of how nutritional status and environmental factors tune stem-cell behavior in the stomatal lineage, ultimately enabling flexibility in leaf size and cell-type composition.
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Affiliation(s)
- Yan Gong
- Department of Biology, Stanford UniversityStanfordUnited States
| | | | - Rachel Varnau
- Department of Biology, Stanford UniversityStanfordUnited States
| | - Nidhi Sharma
- Howard Hughes Medical Institute, Stanford UniversityStanfordUnited States
| | - Lily S Cheung
- School of Chemical and Biomolecular Engineering, Georgia Institute of TechnologyAtlantaUnited States
| | - Dominique C Bergmann
- Department of Biology, Stanford UniversityStanfordUnited States
- Howard Hughes Medical Institute, Stanford UniversityStanfordUnited States
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27
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Henry S, Trousdell MC, Cyrill SL, Zhao Y, Feigman MJ, Bouhuis JM, Aylard DA, Siepel A, Dos Santos CO. Characterization of Gene Expression Signatures for the Identification of Cellular Heterogeneity in the Developing Mammary Gland. J Mammary Gland Biol Neoplasia 2021; 26:43-66. [PMID: 33988830 PMCID: PMC8217035 DOI: 10.1007/s10911-021-09486-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 04/12/2021] [Indexed: 12/16/2022] Open
Abstract
The developing mammary gland depends on several transcription-dependent networks to define cellular identities and differentiation trajectories. Recent technological advancements that allow for single-cell profiling of gene expression have provided an initial picture into the epithelial cellular heterogeneity across the diverse stages of gland maturation. Still, a deeper dive into expanded molecular signatures would improve our understanding of the diversity of mammary epithelial and non-epithelial cellular populations across different tissue developmental stages, mouse strains and mammalian species. Here, we combined differential mammary gland fractionation approaches and transcriptional profiles obtained from FACS-isolated mammary cells to improve our definitions of mammary-resident, cellular identities at the single-cell level. Our approach yielded a series of expression signatures that illustrate the heterogeneity of mammary epithelial cells, specifically those of the luminal fate, and uncovered transcriptional changes to their lineage-defined, cellular states that are induced during gland development. Our analysis also provided molecular signatures that identified non-epithelial mammary cells, including adipocytes, fibroblasts and rare immune cells. Lastly, we extended our study to elucidate expression signatures of human, breast-resident cells, a strategy that allowed for the cross-species comparison of mammary epithelial identities. Collectively, our approach improved the existing signatures of normal mammary epithelial cells, as well as elucidated the diversity of non-epithelial cells in murine and human breast tissue. Our study provides a useful resource for future studies that use single-cell molecular profiling strategies to understand normal and malignant breast development.
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Affiliation(s)
- Samantha Henry
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, 11724, US
- Graduate Program in Genetics, Stony Brook University, NY, 11794, US
| | | | | | - Yixin Zhao
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, 11724, US
| | - Mary J Feigman
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, 11724, US
| | | | - Dominik A Aylard
- College of Biological Sciences, University of California, Davis, CA, 95616, US
| | - Adam Siepel
- Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, 11724, US
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28
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Abstract
The mammalian lung epithelium is composed of a wide array of specialized cells that have adapted to survive environmental exposure and perform the tasks necessary for respiration. Although the majority of these cells are remarkably quiescent during adult lung homeostasis, a growing body of literature has demonstrated the capacity of these epithelial lineages to proliferate in response to injury and regenerate lost or damaged cells. In this review, we focus on the regionally distinct lung epithelial cell types that contribute to repair after injury, and we address current controversies regarding whether elite stem cells or frequent facultative progenitors are the predominant participants. We also shed light on the newly emerging approaches for exogenously generating similar lung epithelial lineages from pluripotent stem cells.
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Affiliation(s)
- Konstantinos-Dionysios Alysandratos
- Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, Massachusetts 02118, USA;
- The Pulmonary Center and Department of Medicine, Boston University School of Medicine, Boston, Massachusetts 02118, USA
| | - Michael J Herriges
- Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, Massachusetts 02118, USA;
- The Pulmonary Center and Department of Medicine, Boston University School of Medicine, Boston, Massachusetts 02118, USA
| | - Darrell N Kotton
- Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, Massachusetts 02118, USA;
- The Pulmonary Center and Department of Medicine, Boston University School of Medicine, Boston, Massachusetts 02118, USA
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29
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Raj B, Farrell JA, Liu J, El Kholtei J, Carte AN, Navajas Acedo J, Du LY, McKenna A, Relić Đ, Leslie JM, Schier AF. Emergence of Neuronal Diversity during Vertebrate Brain Development. Neuron 2020; 108:1058-1074.e6. [PMID: 33068532 PMCID: PMC8286448 DOI: 10.1016/j.neuron.2020.09.023] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 08/05/2020] [Accepted: 09/17/2020] [Indexed: 01/03/2023]
Abstract
Neurogenesis comprises many highly regulated processes including proliferation, differentiation, and maturation. However, the transcriptional landscapes underlying brain development are poorly characterized. We describe a developmental single-cell catalog of ∼220,000 zebrafish brain cells encompassing 12 stages from embryo to larva. We characterize known and novel gene markers for ∼800 clusters and provide an overview of the diversification of neurons and progenitors across these time points. We also introduce an optimized GESTALT lineage recorder that enables higher expression and recovery of Cas9-edited barcodes to query lineage segregation. Cell type characterization indicates that most embryonic neural progenitor states are transitory and transcriptionally distinct from neural progenitors of post-embryonic stages. Reconstruction of cell specification trajectories reveals that late-stage retinal neural progenitors transcriptionally overlap cell states observed in the embryo. The zebrafish brain development atlas provides a resource to define and manipulate specific subsets of neurons and to uncover the molecular mechanisms underlying vertebrate neurogenesis.
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Affiliation(s)
- Bushra Raj
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA; Allen Discovery Center for Cell Lineage Tracing, Seattle, WA, USA.
| | - Jeffrey A Farrell
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA; Unit on Cell Specification and Differentiation, National Institute of Child Health and Human Development, NIH, Bethesda, MD 20814, USA
| | - Jialin Liu
- Allen Discovery Center for Cell Lineage Tracing, Seattle, WA, USA; Biozentrum, University of Basel, 4056 Basel, Switzerland
| | - Jakob El Kholtei
- Allen Discovery Center for Cell Lineage Tracing, Seattle, WA, USA; Biozentrum, University of Basel, 4056 Basel, Switzerland
| | - Adam N Carte
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA; Biozentrum, University of Basel, 4056 Basel, Switzerland; Systems, Synthetic, and Quantitative Biology Program, Harvard University, Cambridge, MA 02138, USA
| | - Joaquin Navajas Acedo
- Allen Discovery Center for Cell Lineage Tracing, Seattle, WA, USA; Biozentrum, University of Basel, 4056 Basel, Switzerland
| | - Lucia Y Du
- Allen Discovery Center for Cell Lineage Tracing, Seattle, WA, USA; Biozentrum, University of Basel, 4056 Basel, Switzerland
| | - Aaron McKenna
- Department of Molecular and Systems Biology, Dartmouth Geisel School of Medicine, Lebanon, NH 03756, USA
| | - Đorđe Relić
- Biozentrum, University of Basel, 4056 Basel, Switzerland; Swiss Institute of Bioinformatics (SIB), 4056 Basel, Switzerland
| | - Jessica M Leslie
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA
| | - Alexander F Schier
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA; Allen Discovery Center for Cell Lineage Tracing, Seattle, WA, USA; Biozentrum, University of Basel, 4056 Basel, Switzerland; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Harvard Stem Cell Institute, Harvard University, Cambridge, MA 02138, USA; Center for Brain Science, Harvard University, Cambridge, MA 02138, USA.
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30
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Bheda P, Aguilar-Gómez D, Kukhtevich I, Becker J, Charvin G, Kirmizis A, Schneider R. Microfluidics for single-cell lineage tracking over time to characterize transmission of phenotypes in Saccharomyces cerevisiae. STAR Protoc 2020; 1:100228. [PMID: 33377118 PMCID: PMC7757727 DOI: 10.1016/j.xpro.2020.100228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The budding yeast Saccharomyces cerevisiae is an excellent model organism to dissect the maintenance and inheritance of phenotypes due to its asymmetric division. This requires following individual cells over time as they go through divisions to define pedigrees. Here, we provide a detailed protocol for collecting and analyzing time-lapse imaging data of yeast cells. The microfluidics protocol can achieve improved time resolution for single-cell tracking to enable characterization of maintenance and inheritance of phenotypes. For complete details on the use and execution of this protocol, please refer to Bheda et al. (2020a).
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Affiliation(s)
- Poonam Bheda
- Institute of Functional Epigenetics, Helmholtz Zentrum München, 85764 Neuherberg, Germany
| | | | - Igor Kukhtevich
- Institute of Functional Epigenetics, Helmholtz Zentrum München, 85764 Neuherberg, Germany
| | - Johannes Becker
- Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Gilles Charvin
- Development and Stem Cells, IGBMC, 67400 Illkirch, France
| | - Antonis Kirmizis
- Department of Biological Sciences, University of Cyprus, 2109 Nicosia, Cyprus
| | - Robert Schneider
- Institute of Functional Epigenetics, Helmholtz Zentrum München, 85764 Neuherberg, Germany
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany
- Faculty of Biology, Ludwig-Maximilians Universität München, 80333 Munich, Germany
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31
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Kucinski I, Wilson NK, Hannah R, Kinston SJ, Cauchy P, Lenaerts A, Grosschedl R, Göttgens B. Interactions between lineage-associated transcription factors govern haematopoietic progenitor states. EMBO J 2020; 39:e104983. [PMID: 33103827 PMCID: PMC7737608 DOI: 10.15252/embj.2020104983] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 09/07/2020] [Accepted: 09/08/2020] [Indexed: 12/26/2022] Open
Abstract
Recent advances in molecular profiling provide descriptive datasets of complex differentiation landscapes including the haematopoietic system, but the molecular mechanisms defining progenitor states and lineage choice remain ill-defined. Here, we employed a cellular model of murine multipotent haematopoietic progenitors (Hoxb8-FL) to knock out 39 transcription factors (TFs) followed by RNA-Seq analysis, to functionally define a regulatory network of 16,992 regulator/target gene links. Focussed analysis of the subnetworks regulated by the B-lymphoid TF Ebf1 and T-lymphoid TF Gata3 revealed a surprising role in common activation of an early myeloid programme. Moreover, Gata3-mediated repression of Pax5 emerges as a mechanism to prevent precocious B-lymphoid differentiation, while Hox-mediated activation of Meis1 suppresses myeloid differentiation. To aid interpretation of large transcriptomics datasets, we also report a new method that visualises likely transitions that a progenitor will undergo following regulatory network perturbations. Taken together, this study reveals how molecular network wiring helps to establish a multipotent progenitor state, with experimental approaches and analysis tools applicable to dissecting a broad range of both normal and perturbed cellular differentiation landscapes.
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Affiliation(s)
- Iwo Kucinski
- Wellcome–MRC Cambridge Stem Cell InstituteDepartment of HaematologyJeffrey Cheah Biomedical CentreUniversity of CambridgeCambridgeUK
| | - Nicola K Wilson
- Wellcome–MRC Cambridge Stem Cell InstituteDepartment of HaematologyJeffrey Cheah Biomedical CentreUniversity of CambridgeCambridgeUK
| | - Rebecca Hannah
- Wellcome–MRC Cambridge Stem Cell InstituteDepartment of HaematologyJeffrey Cheah Biomedical CentreUniversity of CambridgeCambridgeUK
| | - Sarah J Kinston
- Wellcome–MRC Cambridge Stem Cell InstituteDepartment of HaematologyJeffrey Cheah Biomedical CentreUniversity of CambridgeCambridgeUK
| | - Pierre Cauchy
- Department of Cellular and Molecular ImmunologyMax Planck Institute of Immunobiology and EpigeneticsFreiburgGermany
| | - Aurelie Lenaerts
- Department of Cellular and Molecular ImmunologyMax Planck Institute of Immunobiology and EpigeneticsFreiburgGermany
- International Max Planck Research School for Molecular and Cellular BiologyMax Planck Institute of Immunobiology and EpigeneticsFreiburgGermany
| | - Rudolf Grosschedl
- Department of Cellular and Molecular ImmunologyMax Planck Institute of Immunobiology and EpigeneticsFreiburgGermany
| | - Berthold Göttgens
- Wellcome–MRC Cambridge Stem Cell InstituteDepartment of HaematologyJeffrey Cheah Biomedical CentreUniversity of CambridgeCambridgeUK
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32
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Weng C, Xi J, Li H, Cui J, Gu A, Lai S, Leskov K, Ke L, Jin F, Li Y. Single-cell lineage analysis reveals extensive multimodal transcriptional control during directed beta-cell differentiation. Nat Metab 2020; 2:1443-1458. [PMID: 33257854 PMCID: PMC7744443 DOI: 10.1038/s42255-020-00314-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 10/22/2020] [Indexed: 11/08/2022]
Abstract
The in vitro differentiation of insulin-producing beta-like cells can model aspects of human pancreatic development. Here, we generate 95,308 single-cell transcriptomes and reconstruct a lineage tree of the entire differentiation process from human embryonic stem cells to beta-like cells to study temporally regulated genes during differentiation. We identify so-called 'switch genes' at the branch point of endocrine/non-endocrine cell fate choice, revealing insights into the mechanisms of differentiation-promoting reagents, such as NOTCH and ROCKII inhibitors, and providing improved differentiation protocols. Over 20% of all detectable genes are activated multiple times during differentiation, even though their enhancer activation is usually unimodal, indicating extensive gene reuse driven by different enhancers. We also identify a stage-specific enhancer at the TCF7L2 locus for diabetes, uncovered by genome-wide association studies, that drives a transient wave of gene expression in pancreatic progenitors. Finally, we develop a web app to visualize gene expression on the lineage tree, providing a comprehensive single-cell data resource for researchers studying islet biology and diabetes.
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Affiliation(s)
- Chen Weng
- Department of Genetics and Genome Sciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- The Biomedical Sciences Training Program (BSTP), School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Jiajia Xi
- Department of Genetics and Genome Sciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Haiyan Li
- Department of Genetics and Genome Sciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Jian Cui
- Department of Genetics and Genome Sciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Anniya Gu
- Department of Genetics and Genome Sciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Medical Scientist Training Program (MSTP), School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Sisi Lai
- Department of Genetics and Genome Sciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- The Biomedical Sciences Training Program (BSTP), School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Konstantin Leskov
- Department of Genetics and Genome Sciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Luxin Ke
- Department of Genetics and Genome Sciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA
- Master of Science in Biology Program, Department of Biology, College of Arts and Sciences, Case Western Reserve University, Cleveland, OH, USA
| | - Fulai Jin
- Department of Genetics and Genome Sciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA.
- Department of Population and Quantitative Health Sciences, Department of Electrical Engineering and Computer Science, Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, USA.
| | - Yan Li
- Department of Genetics and Genome Sciences, School of Medicine, Case Western Reserve University, Cleveland, OH, USA.
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33
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Hao J, Ma A, Wang L, Cao J, Chen S, Wang L, Fu B, Zhou J, Pei X, Zhang Y, Xiang P, Hu S, Li Q, Zhang Y, Xia Y, Zhu H, Stacey G, Zhou Q, Zhao T. General requirements for stem cells. Cell Prolif 2020; 53:e12926. [PMID: 33146418 PMCID: PMC7705904 DOI: 10.1111/cpr.12926] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 09/27/2020] [Indexed: 11/30/2022] Open
Abstract
The standard 'General requirements for stem cells' is the first set of general guidelines for stem cell research and production in China, jointly drafted and agreed upon by experts from the Chinese Society for Stem Cell Research. This standard specifies the classification, ethical requirements, quality requirements, quality control requirements, detection control requirements and waste disposal requirements of stem cells, which is applicable to stem cell research and production. It was firstly released by the Chinese Society for Cell Biology on 1 August 2017 and was further revised on 30 April 2020. We hope that publication of these guidelines will promote institutional establishment, acceptance, and execution of proper protocols, and accelerate the international standardization of stem cells for clinical development and therapeutic applications.
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Affiliation(s)
- Jie Hao
- State Key Laboratory of Stem Cell and Reproductive BiologyNational Stem Cell Resource Center, Institute for Stem Cell and Regeneration, Institute of Zoology, Chinese Academy of SciencesBeijingChina
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Aijin Ma
- Chinese Society for Stem Cell ResearchShanghaiChina
- China National Institute of StandardizationBeijingChina
- Beijing Technology and Business UniversityBeijingChina
| | - Lei Wang
- State Key Laboratory of Stem Cell and Reproductive BiologyNational Stem Cell Resource Center, Institute for Stem Cell and Regeneration, Institute of Zoology, Chinese Academy of SciencesBeijingChina
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Jiani Cao
- State Key Laboratory of Stem Cell and Reproductive BiologyNational Stem Cell Resource Center, Institute for Stem Cell and Regeneration, Institute of Zoology, Chinese Academy of SciencesBeijingChina
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Si Chen
- State Key Laboratory of Stem Cell and Reproductive BiologyNational Stem Cell Resource Center, Institute for Stem Cell and Regeneration, Institute of Zoology, Chinese Academy of SciencesBeijingChina
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Liu Wang
- State Key Laboratory of Stem Cell and Reproductive BiologyNational Stem Cell Resource Center, Institute for Stem Cell and Regeneration, Institute of Zoology, Chinese Academy of SciencesBeijingChina
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Boqiang Fu
- Chinese Society for Stem Cell ResearchShanghaiChina
- China National Institute of MetrologyBeijingChina
| | - Jiaxi Zhou
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Xuetao Pei
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Yu Zhang
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Peng Xiang
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Shijun Hu
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Qiyuan Li
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Yong Zhang
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Yingjie Xia
- State Key Laboratory of Stem Cell and Reproductive BiologyNational Stem Cell Resource Center, Institute for Stem Cell and Regeneration, Institute of Zoology, Chinese Academy of SciencesBeijingChina
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Huanxin Zhu
- State Key Laboratory of Stem Cell and Reproductive BiologyNational Stem Cell Resource Center, Institute for Stem Cell and Regeneration, Institute of Zoology, Chinese Academy of SciencesBeijingChina
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Glyn Stacey
- State Key Laboratory of Stem Cell and Reproductive BiologyNational Stem Cell Resource Center, Institute for Stem Cell and Regeneration, Institute of Zoology, Chinese Academy of SciencesBeijingChina
| | - Qi Zhou
- State Key Laboratory of Stem Cell and Reproductive BiologyNational Stem Cell Resource Center, Institute for Stem Cell and Regeneration, Institute of Zoology, Chinese Academy of SciencesBeijingChina
- Chinese Society for Stem Cell ResearchShanghaiChina
| | - Tongbiao Zhao
- State Key Laboratory of Stem Cell and Reproductive BiologyNational Stem Cell Resource Center, Institute for Stem Cell and Regeneration, Institute of Zoology, Chinese Academy of SciencesBeijingChina
- Chinese Society for Stem Cell ResearchShanghaiChina
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34
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Abstract
The mammary gland is a unique tissue and the defining feature of the class Mammalia. It is a late-evolving epidermal appendage that has the primary function of providing nutrition for the young, although recent studies have highlighted additional benefits of milk including the provision of passive immunity and a microbiome and, in humans, the psychosocial benefits of breastfeeding. In this Review, we outline the various stages of mammary gland development in the mouse, with a particular focus on lineage specification and the new insights that have been gained by the application of recent technological advances in imaging in both real-time and three-dimensions, and in single cell RNA sequencing. These studies have revealed the complexity of subpopulations of cells that contribute to the mammary stem and progenitor cell hierarchy and we suggest a new terminology to distinguish these cells.
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Affiliation(s)
- Christine J Watson
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QP, UK
| | - Walid T Khaled
- Department of Pharmacology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QP, UK
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Hung CH, Wang KY, Liou YH, Wang JP, Huang AYS, Lee TL, Jiang ST, Liao NS, Shyu YC, Shen CKJ. Negative Regulation of the Differentiation of Flk2 - CD34 - LSK Hematopoietic Stem Cells by EKLF/KLF1. Int J Mol Sci 2020; 21:E8448. [PMID: 33182781 PMCID: PMC7697791 DOI: 10.3390/ijms21228448] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 10/30/2020] [Accepted: 11/05/2020] [Indexed: 12/13/2022] Open
Abstract
Erythroid Krüppel-like factor (EKLF/KLF1) was identified initially as a critical erythroid-specific transcription factor and was later found to be also expressed in other types of hematopoietic cells, including megakaryocytes and several progenitors. In this study, we have examined the regulatory effects of EKLF on hematopoiesis by comparative analysis of E14.5 fetal livers from wild-type and Eklf gene knockout (KO) mouse embryos. Depletion of EKLF expression greatly changes the populations of different types of hematopoietic cells, including, unexpectedly, the long-term hematopoietic stem cells Flk2- CD34- Lin- Sca1+ c-Kit+ (LSK)-HSC. In an interesting correlation, Eklf is expressed at a relatively high level in multipotent progenitor (MPP). Furthermore, EKLF appears to repress the expression of the colony-stimulating factor 2 receptor β subunit (CSF2RB). As a result, Flk2- CD34- LSK-HSC gains increased differentiation capability upon depletion of EKLF, as demonstrated by the methylcellulose colony formation assay and by serial transplantation experiments in vivo. Together, these data demonstrate the regulation of hematopoiesis in vertebrates by EKLF through its negative regulatory effects on the differentiation of the hematopoietic stem and progenitor cells, including Flk2- CD34- LSK-HSCs.
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Affiliation(s)
- Chun-Hao Hung
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Keh-Yang Wang
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Yae-Huei Liou
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Jing-Ping Wang
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Anna Yu-Szu Huang
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Tung-Liang Lee
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Si-Tse Jiang
- Department of Research and Development, National Laboratory Animal Center, National Applied Research Laboratories, Tainan 74147, Taiwan;
| | - Nah-Shih Liao
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
| | - Yu-Chiau Shyu
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
- Department of Nursing, Chang Gung University of Science and Technology, Taoyuan City 333, Taiwan
- Community Medicine Research Center, Chang Gung Memorial Hospital, Keelung Branch, Keelung 204, Taiwan
| | - Che-Kun James Shen
- Institute of Molecular Biology, Academia Sinica, Nankang, Taipei 115, Taiwan; (C.-H.H.); (K.-Y.W.); (Y.-H.L.); (J.-P.W.); (A.Y.-S.H.); (T.-L.L.); (N.-S.L.)
- The PhD Program for Neural Regenerative Medicine, Taipei Medical University, Taipei 115, Taiwan
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36
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García-Moreno F, Molnár Z. Variations of telencephalic development that paved the way for neocortical evolution. Prog Neurobiol 2020; 194:101865. [PMID: 32526253 PMCID: PMC7656292 DOI: 10.1016/j.pneurobio.2020.101865] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 05/29/2020] [Accepted: 06/05/2020] [Indexed: 12/13/2022]
Abstract
Charles Darwin stated, "community in embryonic structure reveals community of descent". Thus, to understand how the neocortex emerged during mammalian evolution we need to understand the evolution of the development of the pallium, the source of the neocortex. In this article, we review the variations in the development of the pallium that enabled the production of the six-layered neocortex. We propose that an accumulation of subtle modifications from very early brain development accounted for the diversification of vertebrate pallia and the origin of the neocortex. Initially, faint differences of expression of secretable morphogens promote a wide variety in the proportions and organization of sectors of the early pallium in different vertebrates. It prompted different sectors to host varied progenitors and distinct germinative zones. These cells and germinative compartments generate diverse neuronal populations that migrate and mix with each other through radial and tangential migrations in a taxon-specific fashion. Together, these early variations had a profound influence on neurogenetic gradients, lamination, positioning, and connectivity. Gene expression, hodology, and physiological properties of pallial neurons are important features to suggest homologies, but the origin of cells and their developmental trajectory are fundamental to understand evolutionary changes. Our review compares the development of the homologous pallial sectors in sauropsids and mammals, with a particular focus on cell lineage, in search of the key changes that led to the appearance of the mammalian neocortex.
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Affiliation(s)
- Fernando García-Moreno
- Achucarro Basque Center for Neuroscience, Scientific Park of the University of the Basque Country (UPV/EHU), 48940, Leioa, Spain; IKERBASQUE Foundation, María Díaz de Haro 3, 6th Floor, 48013, Bilbao, Spain; Department of Neuroscience, Faculty of Medicine and Odontology, UPV/EHU, Barrio Sarriena s/n, 48940, Leioa, Bizkaia, Spain.
| | - Zoltán Molnár
- Department of Physiology, Anatomy and Genetics, Sherrington Building, University of Oxford, Oxford, OX1 3QX, UK.
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37
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Walsh P, Truong V, Nayak S, Saldías Montivero M, Low WC, Parr AM, Dutton JR. Accelerated differentiation of human pluripotent stem cells into neural lineages via an early intermediate ectoderm population. Stem Cells 2020; 38:1400-1408. [PMID: 32745311 PMCID: PMC7693041 DOI: 10.1002/stem.3260] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 06/17/2020] [Accepted: 07/10/2020] [Indexed: 12/22/2022]
Abstract
Differentiation of human pluripotent stem cells (hPSCs) into ectoderm provides neurons and glia useful for research, disease modeling, drug discovery, and potential cell therapies. In current protocols, hPSCs are traditionally differentiated into an obligate rostro-dorsal ectodermal fate expressing PAX6 after 6 to 12 days in vitro when protected from mesendoderm inducers. This rate-limiting step has performed a long-standing role in hindering the development of rapid differentiation protocols for ectoderm-derived cell types, as any protocol requires 6 to 10 days in vitro to simply initiate. Here, we report efficient differentiation of hPSCs into a naive early ectodermal intermediate within 24 hours using combined inhibition of bone morphogenic protein and fibroblast growth factor signaling. The induced population responds immediately to morphogen gradients to upregulate rostro-caudal neurodevelopmental landmark gene expression in a generally accelerated fashion. This method can serve as a new platform for the development of novel, rapid, and efficient protocols for the manufacture of hPSC-derived neural lineages.
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Affiliation(s)
- Patrick Walsh
- Stem Cell InstituteUniversity of MinnesotaMinneapolisMinnesotaUSA
- Department of Genetics, Cell Biology and DevelopmentUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Vincent Truong
- Stem Cell InstituteUniversity of MinnesotaMinneapolisMinnesotaUSA
- Department of Ophthalmology and Visual NeurosciencesUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Sushmita Nayak
- Stem Cell InstituteUniversity of MinnesotaMinneapolisMinnesotaUSA
| | | | - Walter C. Low
- Stem Cell InstituteUniversity of MinnesotaMinneapolisMinnesotaUSA
- Department of NeurosurgeryUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - Ann M. Parr
- Stem Cell InstituteUniversity of MinnesotaMinneapolisMinnesotaUSA
- Department of NeurosurgeryUniversity of MinnesotaMinneapolisMinnesotaUSA
| | - James R. Dutton
- Stem Cell InstituteUniversity of MinnesotaMinneapolisMinnesotaUSA
- Department of Genetics, Cell Biology and DevelopmentUniversity of MinnesotaMinneapolisMinnesotaUSA
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38
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Veling MW, Li Y, Veling MT, Litts C, Michki N, Liu H, Ye B, Cai D. Identification of Neuronal Lineages in the Drosophila Peripheral Nervous System with a "Digital" Multi-spectral Lineage Tracing System. Cell Rep 2020; 29:3303-3312.e3. [PMID: 31801091 PMCID: PMC6913890 DOI: 10.1016/j.celrep.2019.10.124] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 09/27/2019] [Accepted: 10/29/2019] [Indexed: 11/19/2022] Open
Abstract
Elucidating cell lineages provides crucial understanding of development. Recently developed sequencing-based techniques enhance the scale of lineage tracing but eliminate the spatial information offered by conventional approaches. Multi-spectral labeling techniques, such as Brainbow, have the potential to identify lineage-related cells in situ. Here, we report nuclear Bitbow (nBitbow), a “digital” version of Brainbow that greatly expands the color diversity for scoring cells, and a suite of statistical methods for quantifying the lineage relationship of any two cells. Applying these tools to the Drosophila peripheral nervous system (PNS), we determined lineage relationship between all neuronal pairs. This study demonstrates nBitbow as an efficient tool for in situ lineage mapping, and the complete lineage relationship among larval PNS neurons opens new possibilities for studying how neurons gain specific features and circuit connectivity. Veling et al. report a multi-color labeling system and statistical methods for mapping cell lineages. They identify the lineage relationship of all neurons in the peripheral nervous system of Drosophila larvae and show the utility of this technique in mapping neurons in the CNS.
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Affiliation(s)
- Macy W Veling
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA; Cellular and Molecular Biology Graduate Program, University of Michigan, Ann Arbor, MI 48109, USA
| | - Ye Li
- Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Mike T Veling
- Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA; Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
| | - Christopher Litts
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA
| | - Nigel Michki
- Department of Biophysics, University of Michigan, Ann Arbor, MI 48109, USA
| | - Hao Liu
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA; Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Bing Ye
- Life Sciences Institute, University of Michigan, Ann Arbor, MI 48109, USA; Cellular and Molecular Biology Graduate Program, University of Michigan, Ann Arbor, MI 48109, USA; Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA.
| | - Dawen Cai
- Department of Cell and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biophysics, University of Michigan, Ann Arbor, MI 48109, USA.
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Abstract
Hematopoiesis has long served as a paradigm of stem cell biology and tissue homeostasis. In the past decade, the genomics revolution has ushered in powerful new methods for investigating the hematopoietic system that have provided transformative insights into its biology. As part of the advances in genomics, increasingly accurate deep sequencing and novel methods of cell tracking have revealed hematopoiesis to be more of a continuous and less of a discrete and punctuated process than originally envisioned. In part, this continuous nature of hematopoiesis is made possible by the emergent outcomes of vast, interconnected regulatory networks that influence cell fates and lineage commitment. It is also becoming clear how these mechanisms are modulated by genetic variation present throughout the population. This review describes how these recently uncovered complexities are reshaping our concept of tissue development and homeostasis while opening up a more comprehensive future understanding of hematopoiesis.
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Affiliation(s)
- L Alexander Liggett
- Division of Hematology/Oncology, Boston Children's Hospital and Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Vijay G Sankaran
- Division of Hematology/Oncology, Boston Children's Hospital and Department of Pediatric Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Harvard Stem Cell Institute, Cambridge, MA 02138, USA.
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40
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Afflerbach AK, Kiri MD, Detinis T, Maoz BM. Mesenchymal Stem Cells as a Promising Cell Source for Integration in Novel In Vitro Models. Biomolecules 2020; 10:E1306. [PMID: 32927777 PMCID: PMC7565384 DOI: 10.3390/biom10091306] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 09/02/2020] [Accepted: 09/03/2020] [Indexed: 02/07/2023] Open
Abstract
The human-relevance of an in vitro model is dependent on two main factors-(i) an appropriate human cell source and (ii) a modeling platform that recapitulates human in vivo conditions. Recent years have brought substantial advancements in both these aspects. In particular, mesenchymal stem cells (MSCs) have emerged as a promising cell source, as these cells can differentiate into multiple cell types, yet do not raise the ethical and practical concerns associated with other types of stem cells. In turn, advanced bioengineered in vitro models such as microfluidics, Organs-on-a-Chip, scaffolds, bioprinting and organoids are bringing researchers ever closer to mimicking complex in vivo environments, thereby overcoming some of the limitations of traditional 2D cell cultures. This review covers each of these advancements separately and discusses how the integration of MSCs into novel in vitro platforms may contribute enormously to clinical and fundamental research.
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Affiliation(s)
- Ann-Kristin Afflerbach
- Department of Biomedical Engineering, Tel Aviv University, Tel Aviv 6997801, Israel; (A.-K.A.); (M.D.K.); (T.D.)
- Faculty of Biosciences, Universität Heidelberg, 69120 Heidelberg, Germany
| | - Mark D. Kiri
- Department of Biomedical Engineering, Tel Aviv University, Tel Aviv 6997801, Israel; (A.-K.A.); (M.D.K.); (T.D.)
| | - Tahir Detinis
- Department of Biomedical Engineering, Tel Aviv University, Tel Aviv 6997801, Israel; (A.-K.A.); (M.D.K.); (T.D.)
| | - Ben M. Maoz
- Department of Biomedical Engineering, Tel Aviv University, Tel Aviv 6997801, Israel; (A.-K.A.); (M.D.K.); (T.D.)
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
- The Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv 6997801, Israel
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41
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Hodgson A, Pakbaz S, Shenouda C, Francis JA, Mete O. Mixed Sparsely Granulated Lactotroph and Densely Granulated Somatotroph Pituitary Neuroendocrine Tumor Expands the Spectrum of Neuroendocrine Neoplasms in Ovarian Teratomas: the Role of Pituitary Neuroendocrine Cell Lineage Biomarkers. Endocr Pathol 2020; 31:315-319. [PMID: 32632841 DOI: 10.1007/s12022-020-09639-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/01/2020] [Indexed: 12/24/2022]
Affiliation(s)
- Anjelica Hodgson
- Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Sara Pakbaz
- Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Department of Pathology, University Health Network, 200 Elizabeth Street, 11th floor, Toronto, ON, M5G 2C4, Canada
| | - Caroline Shenouda
- Department of Obstetrics and Gynecology, Mackenzie Health, Richmond Hill, ON, Canada
| | - Julie-Ann Francis
- Gynecologic Oncology Program, Lakeridge Health - The Oshawa Hospital, Oshawa, ON, Canada
| | - Ozgur Mete
- Department of Laboratory Medicine and Pathobiology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada.
- Department of Pathology, University Health Network, 200 Elizabeth Street, 11th floor, Toronto, ON, M5G 2C4, Canada.
- Endocrine Oncology Site, The Princess Margaret Cancer Centre, Toronto, ON, Canada.
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42
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Guo W, Li L, He J, Liu Z, Han M, Li F, Xia X, Zhang X, Zhu Y, Wei Y, Li Y, Aji R, Dai H, Wei H, Li C, Chen Y, Chen L, Gao D. Single-cell transcriptomics identifies a distinct luminal progenitor cell type in distal prostate invagination tips. Nat Genet 2020; 52:908-918. [PMID: 32807988 PMCID: PMC8383310 DOI: 10.1038/s41588-020-0642-1] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 05/07/2020] [Indexed: 11/09/2022]
Abstract
The identification of prostate stem/progenitor cells and characterization of the prostate epithelial cell lineage hierarchy are critical for understanding prostate cancer initiation. Here, we characterized 35,129 cells from mouse prostates, and identified a unique luminal cell type (termed type C luminal cell (Luminal-C)) marked by Tacstd2, Ck4 and Psca expression. Luminal-C cells located at the distal prostate invagination tips (termed Dist-Luminal-C) exhibited greater capacity for organoid formation in vitro and prostate epithelial duct regeneration in vivo. Lineage tracing of Luminal-C cells indicated that Dist-Luminal-C cells reconstituted distal prostate luminal lineages through self-renewal and differentiation. Deletion of Pten in Dist-Luminal-C cells resulted in prostatic intraepithelial neoplasia. We further characterized 11,374 human prostate cells and confirmed the existence of h-Luminal-C cells. Our study provides insights into the prostate lineage hierarchy, identifies Dist-Luminal-C cells as the luminal progenitor cell population in invagination tips and suggests one of the potential cellular origins of prostate cancer.
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Affiliation(s)
- Wangxin Guo
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Lin Li
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Juan He
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Zhuang Liu
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Ming Han
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Fei Li
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xinyi Xia
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Xiaoyu Zhang
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yao Zhu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Shanghai, China
| | - Yu Wei
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, China
- Department of Oncology, Shanghai Medical College, Shanghai, China
| | - Yunguang Li
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Rebiguli Aji
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Hao Dai
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Hui Wei
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
| | - Chunfeng Li
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China
| | - Yu Chen
- Human Oncology and Pathogenesis Program, Memorial Sloan-Kettering Cancer Center, New York, NY, USA.
- Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY, USA.
- Department of Medicine, Weill Cornell Medical College and New York-Presbyterian Hospital, New York, NY, USA.
- Department of Cell and Developmental Biology, Weill Cornell Medical College and New York-Presbyterian Hospital, New York, NY, USA.
| | - Luonan Chen
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China.
- Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, Kunming, China.
- Key Laboratory of Systems Biology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Hangzhou, China.
| | - Dong Gao
- State Key Laboratory of Cell Biology, Shanghai Key Laboratory of Molecular Andrology, Shanghai Institute of Biochemistry and Cell Biology, CAS Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, Shanghai, China.
- University of Chinese Academy of Sciences, Beijing, China.
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.
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43
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Kaiser L, Weinschrott H, Quint I, Blaess M, Csuk R, Jung M, Kohl M, Deigner HP. Metabolite Patterns in Human Myeloid Hematopoiesis Result from Lineage-Dependent Active Metabolic Pathways. Int J Mol Sci 2020; 21:ijms21176092. [PMID: 32847028 PMCID: PMC7504406 DOI: 10.3390/ijms21176092] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 08/18/2020] [Accepted: 08/21/2020] [Indexed: 12/18/2022] Open
Abstract
Assessment of hematotoxicity from environmental or xenobiotic compounds is of notable interest and is frequently assessed via the colony forming unit (CFU) assay. Identification of the mode of action of single compounds is of further interest, as this often enables transfer of results across different tissues and compounds. Metabolomics displays one promising approach for such identification, nevertheless, suitability with current protocols is restricted. Here, we combined a hematopoietic stem and progenitor cell (HSPC) expansion approach with distinct lineage differentiations, resulting in formation of erythrocytes, dendritic cells and neutrophils. We examined the unique combination of pathway activity in glycolysis, glutaminolysis, polyamine synthesis, fatty acid oxidation and synthesis, as well as glycerophospholipid and sphingolipid metabolism. We further assessed their interconnections and essentialness for each lineage formation. By this, we provide further insights into active metabolic pathways during the differentiation of HSPC into different lineages, enabling profound understanding of possible metabolic changes in each lineage caused by exogenous compounds.
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Affiliation(s)
- Lars Kaiser
- Institute of Precision Medicine, Medical and Life Sciences Faculty, Furtwangen University, Jakob-Kienzle-Straße 17, 78054 Villingen-Schwenningen, Germany; (L.K.); (H.W.); (I.Q.); (M.B.); (M.K.)
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstraße 25, 79104 Freiburg i. Br., Germany;
| | - Helga Weinschrott
- Institute of Precision Medicine, Medical and Life Sciences Faculty, Furtwangen University, Jakob-Kienzle-Straße 17, 78054 Villingen-Schwenningen, Germany; (L.K.); (H.W.); (I.Q.); (M.B.); (M.K.)
| | - Isabel Quint
- Institute of Precision Medicine, Medical and Life Sciences Faculty, Furtwangen University, Jakob-Kienzle-Straße 17, 78054 Villingen-Schwenningen, Germany; (L.K.); (H.W.); (I.Q.); (M.B.); (M.K.)
| | - Markus Blaess
- Institute of Precision Medicine, Medical and Life Sciences Faculty, Furtwangen University, Jakob-Kienzle-Straße 17, 78054 Villingen-Schwenningen, Germany; (L.K.); (H.W.); (I.Q.); (M.B.); (M.K.)
| | - René Csuk
- Organic Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Str. 2, 06120 Halle (Saale), Germany;
| | - Manfred Jung
- Institute of Pharmaceutical Sciences, University of Freiburg, Albertstraße 25, 79104 Freiburg i. Br., Germany;
- CIBSS—Centre for Integrative Biological Signalling Studies, University of Freiburg, 79104 Freiburg, Germany
| | - Matthias Kohl
- Institute of Precision Medicine, Medical and Life Sciences Faculty, Furtwangen University, Jakob-Kienzle-Straße 17, 78054 Villingen-Schwenningen, Germany; (L.K.); (H.W.); (I.Q.); (M.B.); (M.K.)
| | - Hans-Peter Deigner
- Institute of Precision Medicine, Medical and Life Sciences Faculty, Furtwangen University, Jakob-Kienzle-Straße 17, 78054 Villingen-Schwenningen, Germany; (L.K.); (H.W.); (I.Q.); (M.B.); (M.K.)
- Fraunhofer Institute IZI, Leipzig, EXIM Department, Schillingallee 68, 18057 Rostock, Germany
- Associated member of Tuebingen University, Faculty of Science, Auf der Morgenstelle 8, 72076 Tübingen, Germany
- Correspondence: ; Tel.: +49-7720-307-4232
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Seroka A, Yazejian RM, Lai SL, Doe CQ. A novel temporal identity window generates alternating Eve +/Nkx6 + motor neuron subtypes in a single progenitor lineage. Neural Dev 2020; 15:9. [PMID: 32723364 PMCID: PMC7388218 DOI: 10.1186/s13064-020-00146-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 07/07/2020] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Spatial patterning specifies neural progenitor identity, with further diversity generated by temporal patterning within individual progenitor lineages. In vertebrates, these mechanisms generate "cardinal classes" of neurons that share a transcription factor identity and common morphology. In Drosophila, two cardinal classes are Even-skipped (Eve)+ motor neurons projecting to dorsal longitudinal muscles, and Nkx6+ motor neurons projecting to ventral oblique muscles. Cross-repressive interactions prevent stable double-positive motor neurons. The Drosophila neuroblast 7-1 (NB7-1) lineage uses a temporal transcription factor cascade to generate five distinct Eve+ motor neurons; the origin and development of Nkx6+ motor neurons remains unclear. METHODS We use a neuroblast specific Gal4 line, sparse labelling and molecular markers to identify an Nkx6+ VO motor neuron produced by the NB7-1 lineage. We use lineage analysis to birth-date the VO motor neuron to the Kr+ Pdm+ neuroblast temporal identity window. We use gain- and loss-of-function strategies to test the role of Kr+ Pdm+ temporal identity and the Nkx6 transcription factor in specifying VO neuron identity. RESULTS Lineage analysis identifies an Nkx6+ neuron born from the Kr+ Pdm+ temporal identity window in the NB7-1 lineage, resulting in alternation of cardinal motor neuron subtypes within this lineage (Eve>Nkx6 > Eve). Co-overexpression of Kr/Pdm generates ectopic VO motor neurons within the NB7-1 lineage - the first evidence that this TTF combination specifies neuronal identity. Moreover, the Kr/Pdm combination promotes Nkx6 expression, which itself is necessary and sufficient for motor neuron targeting to ventral oblique muscles, thereby revealing a molecular specification pathway from temporal patterning to cardinal transcription factor expression to motor neuron target selection. CONCLUSIONS We show that one neuroblast lineage generates interleaved cardinal motor neurons fates; that the Kr/Pdm TTFs form a novel temporal identity window that promotes expression of Nkx6; and that the Kr/Pdm > Nkx6 pathway is necessary and sufficient to promote VO motor neuron targeting to the correct ventral muscle group.
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Affiliation(s)
- Austin Seroka
- Howard Hughes Medical Institute, Institute of Neuroscience, University of Oregon, Eugene, OR, 97403, USA
| | - Rita M Yazejian
- Howard Hughes Medical Institute, Institute of Neuroscience, University of Oregon, Eugene, OR, 97403, USA
| | - Sen-Lin Lai
- Howard Hughes Medical Institute, Institute of Neuroscience, University of Oregon, Eugene, OR, 97403, USA.
| | - Chris Q Doe
- Howard Hughes Medical Institute, Institute of Neuroscience, University of Oregon, Eugene, OR, 97403, USA.
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Sozen B, Cox AL, De Jonghe J, Bao M, Hollfelder F, Glover DM, Zernicka-Goetz M. Self-Organization of Mouse Stem Cells into an Extended Potential Blastoid. Dev Cell 2020; 51:698-712.e8. [PMID: 31846649 DOI: 10.1016/j.devcel.2019.11.014] [Citation(s) in RCA: 133] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 10/10/2019] [Accepted: 11/19/2019] [Indexed: 11/18/2022]
Abstract
Mammalian blastocysts comprise three distinct cell lineages essential for development beyond implantation: the pluripotent epiblast, which generates the future embryo, and surrounding it the extra-embryonic primitive endoderm and the trophectoderm tissues. Embryonic stem cells can reintegrate into embryogenesis but contribute primarily to epiblast lineages. Here, we show that mouse embryonic stem cells cultured under extended pluripotent conditions (EPSCs) can be partnered with trophoblast stem cells to self-organize into blastocyst-like structures with all three embryonic and extra-embryonic lineages. Morphogenetic and transcriptome profiling analyses reveal that these blastocyst-like structures show distinct embryonic-abembryonic axes and primitive endoderm differentiation and can initiate the transition from the pre- to post-implantation egg cylinder morphology in vitro.
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Affiliation(s)
- Berna Sozen
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development, and Neuroscience, University of Cambridge, Cambridge CB2 3DY, UK; California Institute of Technology, Division of Biology and Biological Engineering, 1200 E. California Boulevard, Pasadena, CA 91125, USA
| | - Andy L Cox
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development, and Neuroscience, University of Cambridge, Cambridge CB2 3DY, UK; California Institute of Technology, Division of Biology and Biological Engineering, 1200 E. California Boulevard, Pasadena, CA 91125, USA
| | - Joachim De Jonghe
- Department of Biochemistry, University of Cambridge, Cambridge CB2 1GA, UK
| | - Min Bao
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development, and Neuroscience, University of Cambridge, Cambridge CB2 3DY, UK
| | - Florian Hollfelder
- Department of Biochemistry, University of Cambridge, Cambridge CB2 1GA, UK
| | - David M Glover
- California Institute of Technology, Division of Biology and Biological Engineering, 1200 E. California Boulevard, Pasadena, CA 91125, USA; Department of Genetics, University of Cambridge, Cambridge CB2 3EH, UK
| | - Magdalena Zernicka-Goetz
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development, and Neuroscience, University of Cambridge, Cambridge CB2 3DY, UK; California Institute of Technology, Division of Biology and Biological Engineering, 1200 E. California Boulevard, Pasadena, CA 91125, USA.
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46
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Casaccia P, Boddeke EWGM. Foreword. Glia 2020; 68:1551-1553. [PMID: 32433806 DOI: 10.1002/glia.23841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 04/27/2020] [Indexed: 11/11/2022]
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Stévant I, Kühne F, Greenfield A, Chaboissier MC, Dermitzakis ET, Nef S. Dissecting Cell Lineage Specification and Sex Fate Determination in Gonadal Somatic Cells Using Single-Cell Transcriptomics. Cell Rep 2020; 26:3272-3283.e3. [PMID: 30893600 DOI: 10.1016/j.celrep.2019.02.069] [Citation(s) in RCA: 102] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 01/07/2019] [Accepted: 02/19/2019] [Indexed: 01/02/2023] Open
Abstract
Sex determination is a unique process that allows the study of multipotent progenitors and their acquisition of sex-specific fates during differentiation of the gonad into a testis or an ovary. Using time series single-cell RNA sequencing (scRNA-seq) on ovarian Nr5a1-GFP+ somatic cells during sex determination, we identified a single population of early progenitors giving rise to both pre-granulosa cells and potential steroidogenic precursor cells. By comparing time series single-cell RNA sequencing of XX and XY somatic cells, we provide evidence that gonadal supporting cells are specified from these early progenitors by a non-sex-specific transcriptomic program before pre-granulosa and Sertoli cells acquire their sex-specific identity. In XX and XY steroidogenic precursors, similar transcriptomic profiles underlie the acquisition of cell fate but with XX cells exhibiting a relative delay. Our data provide an important resource, at single-cell resolution, for further interrogation of the molecular and cellular basis of mammalian sex determination.
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Affiliation(s)
- Isabelle Stévant
- Department of Genetic Medicine and Development, University of Geneva, 1211 Geneva, Switzerland; iGE3, Institute of Genetics and Genomics of Geneva, University of Geneva, 1211 Geneva, Switzerland; SIB, Swiss Institute of Bioinformatics, University of Geneva, 1211 Geneva, Switzerland
| | - Françoise Kühne
- Department of Genetic Medicine and Development, University of Geneva, 1211 Geneva, Switzerland
| | - Andy Greenfield
- Mammalian Genetics Unit, Medical Research Council, Harwell Institute, Oxfordshire OX11 0RD, UK
| | | | - Emmanouil T Dermitzakis
- Department of Genetic Medicine and Development, University of Geneva, 1211 Geneva, Switzerland; iGE3, Institute of Genetics and Genomics of Geneva, University of Geneva, 1211 Geneva, Switzerland; SIB, Swiss Institute of Bioinformatics, University of Geneva, 1211 Geneva, Switzerland
| | - Serge Nef
- Department of Genetic Medicine and Development, University of Geneva, 1211 Geneva, Switzerland; iGE3, Institute of Genetics and Genomics of Geneva, University of Geneva, 1211 Geneva, Switzerland.
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48
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Safdari H, Kalirad A, Picioreanu C, Tusserkani R, Goliaei B, Sadeghi M. Noise-driven cell differentiation and the emergence of spatiotemporal patterns. PLoS One 2020; 15:e0232060. [PMID: 32330159 PMCID: PMC7182191 DOI: 10.1371/journal.pone.0232060] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 04/06/2020] [Indexed: 11/30/2022] Open
Abstract
The emergence of phenotypic diversity in a population of cells and their arrangement in space and time is one of the most fascinating features of living systems. In fact, understanding multicellularity is unthinkable without explaining the proximate and the ultimate causes of cell differentiation in time and space. Simpler forms of cell differentiation can be found in unicellular organisms, such as bacterial biofilm, where reversible cell differentiation results in phenotypically diverse populations. In this manuscript, we attempt to start with the simple case of reversible nongenetic phenotypic to construct a model of differentiation and pattern formation. Our model, which we refer to as noise-driven differentiation (NDD) model, is an attempt to consider the prevalence of noise in biological systems, alongside what is known about genetic switches and signaling, to create a simple model which generates spatiotemporal patterns from bottom-up. Our simulations indicate that the presence of noise in cells can lead to reversible differentiation and the addition of signaling can create spatiotemporal pattern.
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Affiliation(s)
- Hadiseh Safdari
- School of Biological Science, Institute for Research in Fundamental Sciences (IPM), Tehran, Iran
| | - Ata Kalirad
- School of Biological Science, Institute for Research in Fundamental Sciences (IPM), Tehran, Iran
| | - Cristian Picioreanu
- Department of Biotechnology, Faculty of Applied Sciences, Delft University of Technology, Delft, The Netherlands
| | - Rouzbeh Tusserkani
- School of Computer Science, Institute for Research in Fundamental Sciences (IPM), Tehran, Iran
| | - Bahram Goliaei
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Mehdi Sadeghi
- National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
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Bortnick A, He Z, Aubrey M, Chandra V, Denholtz M, Chen K, Lin YC, Murre C. Plasma Cell Fate Is Orchestrated by Elaborate Changes in Genome Compartmentalization and Inter-chromosomal Hubs. Cell Rep 2020; 31:107470. [PMID: 32268089 PMCID: PMC10871151 DOI: 10.1016/j.celrep.2020.03.034] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 01/31/2020] [Accepted: 03/12/2020] [Indexed: 12/27/2022] Open
Abstract
The transition from the follicular B to the plasma cell stage is associated with large-scale changes in cell morphology. Here, we examine whether plasma cell development is also associated with changes in nuclear architecture. We find that the onset of plasma cell development is concomitant with a decline in remote genomic interactions; a gain in euchromatic character at loci encoding for factors that specify plasma cell fate, including Prdm1 and Atf4; and establishment of de novo inter-chromosomal hubs. We find that, in developing plasma cells and concurrent with transcriptional silencing, the Ebf1 locus repositions from an euchromatic to peri-centromeric heterochromatic environment. Finally, we find that inter-chromosomal hubs are enriched for the deposition of either H3K27Ac or H3K27me3. These data indicate that plasma cell fate is orchestrated by elaborate changes in genome topology and that epigenetic marks, linked with super-enhancers or transcriptionally repressed regions, are enriched at inter-chromosomal hubs.
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Affiliation(s)
- Alexandra Bortnick
- Department of Molecular Biology, University of California, San Diego, La Jolla, CA 92093, USA
| | - Zhaoren He
- Department of Molecular Biology, University of California, San Diego, La Jolla, CA 92093, USA
| | - Megan Aubrey
- Department of Molecular Biology, University of California, San Diego, La Jolla, CA 92093, USA
| | - Vivek Chandra
- Department of Molecular Biology, University of California, San Diego, La Jolla, CA 92093, USA
| | - Matthew Denholtz
- Department of Molecular Biology, University of California, San Diego, La Jolla, CA 92093, USA
| | - Kenian Chen
- Baylor Institute for Immunology Research, Baylor Research Institute, Dallas, TX 75246, USA
| | - Yin C Lin
- Baylor Institute for Immunology Research, Baylor Research Institute, Dallas, TX 75246, USA
| | - Cornelis Murre
- Department of Molecular Biology, University of California, San Diego, La Jolla, CA 92093, USA.
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Kato K, Orihara-Ono M, Awasaki T. Multiple lineages enable robust development of the neuropil-glia architecture in adult Drosophila. Development 2020; 147:dev184085. [PMID: 32051172 DOI: 10.1242/dev.184085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 01/29/2020] [Indexed: 12/16/2022]
Abstract
Neural remodeling is essential for the development of a functional nervous system and has been extensively studied in the metamorphosis of Drosophila Despite the crucial roles of glial cells in brain functions, including learning and behavior, little is known of how adult glial cells develop in the context of neural remodeling. Here, we show that the architecture of neuropil-glia in the adult Drosophila brain, which is composed of astrocyte-like glia (ALG) and ensheathing glia (EG), robustly develops from two different populations in the larva: the larval EG and glial cell missing-positive (gcm+ ) cells. Whereas gcm+ cells proliferate and generate adult ALG and EG, larval EG dedifferentiate, proliferate and redifferentiate into the same glial subtypes. Each glial lineage occupies a certain brain area complementary to the other, and together they form the adult neuropil-glia architecture. Both lineages require the FGF receptor Heartless to proliferate, and the homeoprotein Prospero to differentiate into ALG. Lineage-specific inhibition of gliogenesis revealed that each lineage compensates for deficiency in the proliferation of the other. Together, the lineages ensure the robust development of adult neuropil-glia, thereby ensuring a functional brain.
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Affiliation(s)
- Kentaro Kato
- Department of Biology, Kyorin University School of Medicine, 6-20-2 Shinkawa, Mitaka 181-8611, Tokyo, Japan
| | - Minako Orihara-Ono
- Department of Biology, Kyorin University School of Medicine, 6-20-2 Shinkawa, Mitaka 181-8611, Tokyo, Japan
| | - Takeshi Awasaki
- Department of Biology, Kyorin University School of Medicine, 6-20-2 Shinkawa, Mitaka 181-8611, Tokyo, Japan
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