1
|
Weijts B, Robin C. Capturing embryonic hematopoiesis in temporal and spatial dimensions. Exp Hematol 2024:104257. [PMID: 38897373 DOI: 10.1016/j.exphem.2024.104257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/03/2024] [Accepted: 06/10/2024] [Indexed: 06/21/2024]
Abstract
Hematopoietic stem cells (HSCs) possess the ability to sustain the continuous production of all blood cell types throughout an organism's lifespan. Although primarily located in the bone marrow of adults, HSCs originate during embryonic development. Visualization of the birth of HSCs, their developmental trajectory, and the specific interactions with their successive niches have significantly contributed to our understanding of the biology and mechanics governing HSC formation and expansion. Intravital techniques applied to live embryos or non-fixed samples have remarkably provided invaluable insights into the cellular and anatomical origins of HSCs. These imaging technologies have also shed light on the dynamic interactions between HSCs and neighboring cell types within the surrounding microenvironment or niche, such as endothelial cells or macrophages. This review delves into the advancements made in understanding the origin, production, and cellular interactions of HSCs, particularly during the embryonic development of mice and zebrafish, focusing on studies employing (live) imaging analysis.
Collapse
Affiliation(s)
- Bart Weijts
- Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht, The Netherlands
| | - Catherine Robin
- Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht, The Netherlands; Regenerative Medicine Center, University Medical Center Utrecht, Utrecht, The Netherlands.
| |
Collapse
|
2
|
Krenn PW, Montanez E, Costell M, Fässler R. Integrins, anchors and signal transducers of hematopoietic stem cells during development and in adulthood. Curr Top Dev Biol 2022; 149:203-261. [PMID: 35606057 DOI: 10.1016/bs.ctdb.2022.02.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Hematopoietic stem cells (HSCs), the apex of the hierarchically organized blood cell production system, are generated in the yolk sac, aorta-gonad-mesonephros region and placenta of the developing embryo. To maintain life-long hematopoiesis, HSCs emigrate from their site of origin and seed in distinct microenvironments, called niches, of fetal liver and bone marrow where they receive supportive signals for self-renewal, expansion and production of hematopoietic progenitor cells (HPCs), which in turn orchestrate the production of the hematopoietic effector cells. The interactions of hematopoietic stem and progenitor cells (HSPCs) with niche components are to a large part mediated by the integrin superfamily of adhesion molecules. Here, we summarize the current knowledge regarding the functional properties of integrins and their activators, Talin-1 and Kindlin-3, for HSPC generation, function and fate decisions during development and in adulthood. In addition, we discuss integrin-mediated mechanosensing for HSC-niche interactions, ex vivo protocols aimed at expanding HSCs for therapeutic use, and recent approaches targeting the integrin-mediated adhesion in leukemia-inducing HSCs in their protecting, malignant niches.
Collapse
Affiliation(s)
- Peter W Krenn
- Department of Molecular Medicine, Max Planck Institute of Biochemistry, Martinsried, Germany; Department of Biosciences and Medical Biology, Cancer Cluster Salzburg, Paris-Lodron University of Salzburg, Salzburg, Austria.
| | - Eloi Montanez
- Department of Physiological Sciences, Faculty of Medicine and Health Sciences, University of Barcelona and Bellvitge Biomedical Research Institute, L'Hospitalet del Llobregat, Barcelona, Spain
| | - Mercedes Costell
- Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Biológicas, Universitat de València, Burjassot, Spain; Institut Universitari de Biotecnologia i Biomedicina, Universitat de València, Burjassot, Spain
| | - Reinhard Fässler
- Department of Molecular Medicine, Max Planck Institute of Biochemistry, Martinsried, Germany
| |
Collapse
|
3
|
Hadland B, Varnum-Finney B, Dozono S, Dignum T, Nourigat-McKay C, Heck AM, Ishida T, Jackson DL, Itkin T, Butler JM, Rafii S, Trapnell C, Bernstein ID. Engineering a niche supporting hematopoietic stem cell development using integrated single-cell transcriptomics. Nat Commun 2022; 13:1584. [PMID: 35332125 PMCID: PMC8948249 DOI: 10.1038/s41467-022-28781-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 02/09/2022] [Indexed: 12/22/2022] Open
Abstract
Hematopoietic stem cells (HSCs) develop from hemogenic endothelium within embryonic arterial vessels such as the aorta of the aorta-gonad-mesonephros region (AGM). To identify the signals responsible for HSC formation, here we use single cell RNA-sequencing to simultaneously analyze the transcriptional profiles of AGM-derived cells transitioning from hemogenic endothelium to HSCs, and AGM-derived endothelial cells which provide signals sufficient to support HSC maturation and self-renewal. Pseudotemporal ordering reveals dynamics of gene expression during the hemogenic endothelium to HSC transition, identifying surface receptors specifically expressed on developing HSCs. Transcriptional profiling of niche endothelial cells identifies corresponding ligands, including those signaling to Notch receptors, VLA-4 integrin, and CXCR4, which, when integrated in an engineered platform, are sufficient to support the generation of engrafting HSCs. These studies provide a transcriptional map of the signaling interactions necessary for the development of HSCs and advance the goal of engineering HSCs for therapeutic applications.
Collapse
Affiliation(s)
- Brandon Hadland
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109, USA.
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, 98105, USA.
| | - Barbara Varnum-Finney
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109, USA
| | - Stacey Dozono
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109, USA
| | - Tessa Dignum
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109, USA
| | - Cynthia Nourigat-McKay
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109, USA
| | - Adam M Heck
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109, USA
| | - Takashi Ishida
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109, USA
| | - Dana L Jackson
- Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA, 98105, USA
| | - Tomer Itkin
- Department of Genetic Medicine, Ansary Stem Cell Institute, Howard Hughes Medical Institute, Weill Cornell Medical College, New York, NY, 10021, USA
| | - Jason M Butler
- Center for Discovery and Innovation, Hackensack University Medical Center, Nutley, NJ, 07110, USA
| | - Shahin Rafii
- Department of Genetic Medicine, Ansary Stem Cell Institute, Howard Hughes Medical Institute, Weill Cornell Medical College, New York, NY, 10021, USA
| | - Cole Trapnell
- Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA, 98105, USA
| | - Irwin D Bernstein
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98109, USA
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, 98105, USA
| |
Collapse
|
4
|
Heck AM, Ishida T, Hadland B. Location, Location, Location: How Vascular Specialization Influences Hematopoietic Fates During Development. Front Cell Dev Biol 2020; 8:602617. [PMID: 33282876 PMCID: PMC7691428 DOI: 10.3389/fcell.2020.602617] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 09/30/2020] [Indexed: 01/22/2023] Open
Abstract
During embryonic development, sequential waves of hematopoiesis give rise to blood-forming cells with diverse lineage potentials and self-renewal properties. This process must accomplish two important yet divergent goals: the rapid generation of differentiated blood cells to meet the needs of the developing embryo and the production of a reservoir of hematopoietic stem cells to provide for life-long hematopoiesis in the adult. Vascular beds in distinct anatomical sites of extraembryonic tissues and the embryo proper provide the necessary conditions to support these divergent objectives, suggesting a critical role for specialized vascular niche cells in regulating disparate blood cell fates during development. In this review, we will examine the current understanding of how organ- and stage-specific vascular niche specialization contributes to the development of the hematopoietic system.
Collapse
Affiliation(s)
- Adam M Heck
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Takashi Ishida
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Brandon Hadland
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States.,Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, United States
| |
Collapse
|
5
|
Rybtsov SA, Lagarkova MA. Development of Hematopoietic Stem Cells in the Early Mammalian Embryo. BIOCHEMISTRY (MOSCOW) 2019; 84:190-204. [PMID: 31221058 DOI: 10.1134/s0006297919030027] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Hematopoietic stem cells (HSCs) were the first stem cells discovered in humans. A. A. Maximov proposed an idea of blood stem cells that was confirmed later by McCulloch and Till experimentally. HSCs were the first type of stem cells to be used in clinics and ever since are being continually used. Indeed, a single HSC transplanted intravenously is capable of giving rise to all types of blood cells. In recent decades, human and animal HSC origin, development, hierarchy, and gene signature have been extensively investigated. Due to the constant need for donor blood and HSCs suitable for therapeutic transplants, the experimental possibility of obtaining HSCs in vitro by directed differentiation of pluripotent stem cells (PSCs) has been considered in recent years. However, despite all efforts, it is not yet possible to reproduce in vitro the ontogenesis of HSCs and obtain cells capable of long-term maintenance of hematopoiesis. The study of hematopoiesis in embryonic development facilitates the establishment and improvement of protocols for deriving blood cells from PCSs and allows a better understanding of the pathogenesis of various types of proliferative blood diseases, anemia, and immunodeficiency. This review focuses on the development of hematopoiesis in mammalian ontogenesis.
Collapse
Affiliation(s)
- S A Rybtsov
- MRC Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, EH16 4U, United Kingdom.
| | - M A Lagarkova
- Federal Research and Clinical Centre of Physical-Chemical Medicine, Federal Medical-Biological Agency, Moscow, 119435, Russia.
| |
Collapse
|
6
|
Periostin and Integrin Signaling in Stem Cell Regulation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1132:163-176. [DOI: 10.1007/978-981-13-6657-4_16] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
|
7
|
Klaus A, Robin C. Embryonic hematopoiesis under microscopic observation. Dev Biol 2017; 428:318-327. [DOI: 10.1016/j.ydbio.2017.03.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 03/07/2017] [Accepted: 03/08/2017] [Indexed: 12/21/2022]
|
8
|
Let-7 microRNA-dependent control of leukotriene signaling regulates the transition of hematopoietic niche in mice. Nat Commun 2017; 8:128. [PMID: 28743859 PMCID: PMC5527007 DOI: 10.1038/s41467-017-00137-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 06/02/2017] [Indexed: 02/06/2023] Open
Abstract
Hematopoietic stem and progenitor cells arise from the vascular endothelium of the dorsal aorta and subsequently switch niche to the fetal liver through unknown mechanisms. Here we report that vascular endothelium-specific deletion of mouse Drosha (DroshacKO), an enzyme essential for microRNA biogenesis, leads to anemia and death. A similar number of hematopoietic stem and progenitor cells emerge from Drosha-deficient and control vascular endothelium, but DroshacKO-derived hematopoietic stem and progenitor cells accumulate in the dorsal aorta and fail to colonize the fetal liver. Depletion of the let-7 family of microRNAs is a primary cause of this defect, as it leads to activation of leukotriene B4 signaling and induction of the α4β1 integrin cell adhesion complex in hematopoietic stem and progenitor cells. Inhibition of leukotriene B4 or integrin rescues maturation and migration of DroshacKO hematopoietic stem and progenitor cells to the fetal liver, while it hampers hematopoiesis in wild-type animals. Our study uncovers a previously undefined role of innate leukotriene B4 signaling as a gatekeeper of the hematopoietic niche transition. Hematopoietic stem and progenitor cells are generated first from the vascular endothelium of the dorsal aorta and then the fetal liver but what regulates this switch is unknown. Here, the authors show that changing miRNA biogenesis and leukotriene B4 signaling in mice modulates this switch in the niche.
Collapse
|
9
|
Kräter M, Jacobi A, Otto O, Tietze S, Müller K, Poitz DM, Palm S, Zinna VM, Biehain U, Wobus M, Chavakis T, Werner C, Guck J, Bornhauser M. Bone marrow niche-mimetics modulate HSPC function via integrin signaling. Sci Rep 2017; 7:2549. [PMID: 28566689 PMCID: PMC5451425 DOI: 10.1038/s41598-017-02352-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2017] [Accepted: 04/10/2017] [Indexed: 12/25/2022] Open
Abstract
The bone marrow (BM) microenvironment provides critical physical cues for hematopoietic stem and progenitor cell (HSPC) maintenance and fate decision mediated by cell-matrix interactions. However, the mechanisms underlying matrix communication and signal transduction are less well understood. Contrary, stem cell culture is mainly facilitated in suspension cultures. Here, we used bone marrow-mimetic decellularized extracellular matrix (ECM) scaffolds derived from mesenchymal stromal cells (MSCs) to study HSPC-ECM interaction. Seeding freshly isolated HSPCs adherent (AT) and non-adherent (SN) cells were found. We detected enhanced expansion and active migration of AT-cells mediated by ECM incorporated stromal derived factor one. Probing cell mechanics, AT-cells displayed naïve cell deformation compared to SN-cells indicating physical recognition of ECM material properties by focal adhesion. Integrin αIIb (CD41), αV (CD51) and β3 (CD61) were found to be induced. Signaling focal contacts via ITGβ3 were identified to facilitate cell adhesion, migration and mediate ECM-physical cues to modulate HSPC function.
Collapse
Affiliation(s)
- Martin Kräter
- Medical Clinic I, University Hospital Carl Gustav Carus, Dresden, Saxony, 01307, Germany
| | - Angela Jacobi
- Biotechnology Center, Technische Universität Dresden, Dresden, Saxony, 01307, Germany
| | - Oliver Otto
- Centre for Innovation Competence - Humoral Immune Reactions in Cardiovascular Diseases, University of Greifswald, Greifswald, Mecklenburg-Western Pomerania, 17489, Germany
| | - Stefanie Tietze
- Medical Clinic I, University Hospital Carl Gustav Carus, Dresden, Saxony, 01307, Germany
- Biotechnology Center, Technische Universität Dresden, Dresden, Saxony, 01307, Germany
| | - Katrin Müller
- Medical Clinic I, University Hospital Carl Gustav Carus, Dresden, Saxony, 01307, Germany
| | - David M Poitz
- Department of Internal Medicine and Cardiology, Technische Universität Dresden, Dresden, Saxony, 01307, Germany
| | - Sandra Palm
- Medical Clinic I, University Hospital Carl Gustav Carus, Dresden, Saxony, 01307, Germany
| | - Valentina M Zinna
- Medical Clinic I, University Hospital Carl Gustav Carus, Dresden, Saxony, 01307, Germany
| | - Ulrike Biehain
- Medical Clinic I, University Hospital Carl Gustav Carus, Dresden, Saxony, 01307, Germany
| | - Manja Wobus
- Medical Clinic I, University Hospital Carl Gustav Carus, Dresden, Saxony, 01307, Germany
| | - Triantafyllos Chavakis
- Department of Clinical Pathobiochemistry, Technische Universität Dresden, Dresden, Saxony, 01307, Germany
- Institute for Clinical Chemistry and Laboratory Medicine, Technische Universität Dresden, Dresden, Saxony, 01307, Germany
- Center for Regenerative Therapies Dresden, Technische Universität Dresden, Dresden, Saxony, 01307, Germany
| | - Carsten Werner
- Leibniz Institute of Polymer Research Dresden, Max Bergmann Center of Biomaterials, Dresden, Saxony, 01307, Germany
| | - Jochen Guck
- Biotechnology Center, Technische Universität Dresden, Dresden, Saxony, 01307, Germany
| | - Martin Bornhauser
- Medical Clinic I, University Hospital Carl Gustav Carus, Dresden, Saxony, 01307, Germany.
- Center for Regenerative Therapies Dresden, Technische Universität Dresden, Dresden, Saxony, 01307, Germany.
| |
Collapse
|
10
|
Huang K, Gao J, Du J, Ma N, Zhu Y, Wu P, Zhang T, Wang W, Li Y, Chen Q, Hutchins AP, Yang Z, Zheng Y, Zhang J, Shan Y, Li X, Liao B, Liu J, Wang J, Liu B, Pan G. Generation and Analysis of GATA2 w/eGFP Human ESCs Reveal ITGB3/CD61 as a Reliable Marker for Defining Hemogenic Endothelial Cells during Hematopoiesis. Stem Cell Reports 2016; 7:854-868. [PMID: 27746115 PMCID: PMC5106517 DOI: 10.1016/j.stemcr.2016.09.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 09/16/2016] [Accepted: 09/16/2016] [Indexed: 11/29/2022] Open
Abstract
The transition from hemogenic endothelial cells (HECs) to hematopoietic stem/progenitor cells (HS/PCs), or endothelial to hematopoietic transition (EHT), is a critical step during hematopoiesis. However, little is known about the molecular determinants of HECs due to the challenge in defining HECs. We report here the generation of GATA2w/eGFP reporter in human embryonic stem cells (hESCs) to mark cells expressing GATA2, a critical gene for EHT. We show that during differentiation, functional HECs are almost exclusively GATA2/eGFP+. We then constructed a regulatory network for HEC determination and also identified a panel of positive or negative surface markers for discriminating HECs from non-hemogenic ECs. Among them, ITGB3 (CD61) precisely labeled HECs both in hESC differentiation and embryonic day 10 mouse embryos. These results not only identify a reliable marker for defining HECs, but also establish a robust platform for dissecting hematopoiesis in vitro, which might lead to the generation of HSCs in vitro. Generation of GATA2w/eGFP reporter in human ESCs GATA2/eGFP expression defines HECs and HPCs in hESC differentiation CD61 marks HECs and HPCs in hPSC differentiation CD61 defines HECs in YS and AGM E10 mouse embryo
Collapse
Affiliation(s)
- Ke Huang
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Jiao Gao
- Translational Medicine Center for Stem Cells, 307-Ivy Translational Medicine Center, Laboratory of Oncology, Affiliated Hospital of Academy of Military Medical Sciences, Beijing 100071, China
| | - Juan Du
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Ning Ma
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Yanling Zhu
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Pengfei Wu
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Tian Zhang
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Wenqian Wang
- Department of Hematology, Sun-yat Sen University, Guangzhou 510630, China
| | - Yuhang Li
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Qianyu Chen
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Andrew Paul Hutchins
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Zhongzhou Yang
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Yi Zheng
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Jian Zhang
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Yongli Shan
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Xuejia Li
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Baojian Liao
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Jiajun Liu
- Department of Hematology, Sun-yat Sen University, Guangzhou 510630, China
| | - Jinyong Wang
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China
| | - Bing Liu
- Translational Medicine Center for Stem Cells, 307-Ivy Translational Medicine Center, Laboratory of Oncology, Affiliated Hospital of Academy of Military Medical Sciences, Beijing 100071, China
| | - Guangjin Pan
- CAS Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China; Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China.
| |
Collapse
|
11
|
Cordeiro OG, Chypre M, Brouard N, Rauber S, Alloush F, Romera-Hernandez M, Bénézech C, Li Z, Eckly A, Coles MC, Rot A, Yagita H, Léon C, Ludewig B, Cupedo T, Lanza F, Mueller CG. Integrin-Alpha IIb Identifies Murine Lymph Node Lymphatic Endothelial Cells Responsive to RANKL. PLoS One 2016; 11:e0151848. [PMID: 27010197 PMCID: PMC4806919 DOI: 10.1371/journal.pone.0151848] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Accepted: 03/04/2016] [Indexed: 12/31/2022] Open
Abstract
Microenvironment and activation signals likely imprint heterogeneity in the lymphatic endothelial cell (LEC) population. Particularly LECs of secondary lymphoid organs are exposed to different cell types and immune stimuli. However, our understanding of the nature of LEC activation signals and their cell source within the secondary lymphoid organ in the steady state remains incomplete. Here we show that integrin alpha 2b (ITGA2b), known to be carried by platelets, megakaryocytes and hematopoietic progenitors, is expressed by a lymph node subset of LECs, residing in medullary, cortical and subcapsular sinuses. In the subcapsular sinus, the floor but not the ceiling layer expresses the integrin, being excluded from ACKR4+ LECs but overlapping with MAdCAM-1 expression. ITGA2b expression increases in response to immunization, raising the possibility that heterogeneous ITGA2b levels reflect variation in exposure to activation signals. We show that alterations of the level of receptor activator of NF-κB ligand (RANKL), by overexpression, neutralization or deletion from stromal marginal reticular cells, affected the proportion of ITGA2b+ LECs. Lymph node LECs but not peripheral LECs express RANK. In addition, we found that lymphotoxin-β receptor signaling likewise regulated the proportion of ITGA2b+ LECs. These findings demonstrate that stromal reticular cells activate LECs via RANKL and support the action of hematopoietic cell-derived lymphotoxin.
Collapse
Affiliation(s)
- Olga G. Cordeiro
- CNRS UPR 3572, University of Strasbourg, Laboratory of Immunopathology and Therapeutic Chemistry/ MEDALIS, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France
| | - Mélanie Chypre
- CNRS UPR 3572, University of Strasbourg, Laboratory of Immunopathology and Therapeutic Chemistry/ MEDALIS, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France
- Prestwick Chemical, Blvd Gonthier d'Andernach, Parc d’innovation, 67400, Illkirch, France
| | - Nathalie Brouard
- INSERM, UMR_S949, Etablissement Français du Sang-Alsace, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de Strasbourg, Strasbourg, France
| | - Simon Rauber
- CNRS UPR 3572, University of Strasbourg, Laboratory of Immunopathology and Therapeutic Chemistry/ MEDALIS, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France
| | - Farouk Alloush
- CNRS UPR 3572, University of Strasbourg, Laboratory of Immunopathology and Therapeutic Chemistry/ MEDALIS, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France
| | | | - Cécile Bénézech
- BHF Centre for Cardiovascular Science, Queens Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Zhi Li
- Center for Immunology and Infection, Department of Biology, University of York, York, United Kingdom
| | - Anita Eckly
- INSERM, UMR_S949, Etablissement Français du Sang-Alsace, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de Strasbourg, Strasbourg, France
| | - Mark C. Coles
- Center for Immunology and Infection, Department of Biology, University of York, York, United Kingdom
| | - Antal Rot
- Center for Immunology and Infection, Department of Biology, University of York, York, United Kingdom
| | - Hideo Yagita
- Department of Immunology, Juntendo University School of Medicine, Tokyo, 113–8421, Japan
| | - Catherine Léon
- INSERM, UMR_S949, Etablissement Français du Sang-Alsace, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de Strasbourg, Strasbourg, France
| | - Burkhard Ludewig
- Institute of Immunobiology, Kantonspital St. Gallen, 9007, St. Gallen, Switzerland
| | - Tom Cupedo
- Department of Hematology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - François Lanza
- INSERM, UMR_S949, Etablissement Français du Sang-Alsace, Faculté de Médecine, Fédération de Médecine Translationnelle, Université de Strasbourg, Strasbourg, France
| | - Christopher G. Mueller
- CNRS UPR 3572, University of Strasbourg, Laboratory of Immunopathology and Therapeutic Chemistry/ MEDALIS, Institut de Biologie Moléculaire et Cellulaire, Strasbourg, France
- * E-mail:
| |
Collapse
|
12
|
Repression of arterial genes in hemogenic endothelium is sufficient for haematopoietic fate acquisition. Nat Commun 2015. [PMID: 26204127 PMCID: PMC4519987 DOI: 10.1038/ncomms8739] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Changes in cell fate and identity are essential for endothelial-to-haematopoietic transition (EHT), an embryonic process that generates the first adult populations of haematopoietic stem cells (HSCs) from hemogenic endothelial cells. Dissecting EHT regulation is a critical step towards the production of in vitro derived HSCs. Yet, we do not know how distinct endothelial and haematopoietic fates are parsed during the transition. Here we show that genes required for arterial identity function later to repress haematopoietic fate. Tissue-specific, temporally controlled, genetic loss of arterial genes (Sox17 and Notch1) during EHT results in increased production of haematopoietic cells due to loss of Sox17-mediated repression of haematopoietic transcription factors (Runx1 and Gata2). However, the increase in EHT can be abrogated by increased Notch signalling. These findings demonstrate that the endothelial haematopoietic fate switch is actively repressed in a population of endothelial cells, and that derepression of these programs augments haematopoietic output. The first haematopoietic stem and progenitor cells arise from the hemogenic endothelium of arterial vascular beds. Here the authors describe the mechanism that regulates the endothelial-to-haematopoietic transition and show that Sox17 and Notch1, genes critical to arterial endothelium identity, are also crucial repressors of haematopoietic fate.
Collapse
|
13
|
Zhu G, Lee AS. Role of the unfolded protein response, GRP78 and GRP94 in organ homeostasis. J Cell Physiol 2015; 230:1413-20. [PMID: 25546813 DOI: 10.1002/jcp.24923] [Citation(s) in RCA: 215] [Impact Index Per Article: 23.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Accepted: 12/19/2014] [Indexed: 02/06/2023]
Abstract
The endoplasmic reticulum (ER) is a cellular organelle where secretory and membrane proteins, as well as lipids, are synthesized and modified. When cells are subjected to ER stress, an adaptive mechanism referred to as the Unfolded Protein Response (UPR) is triggered to allow the cells to restore homeostasis. Evidence has accumulated that the UPR pathways provide specialized and unique roles in diverse development and metabolic processes. The glucose regulated proteins (GRPs) are traditionally regarded as ER proteins with chaperone and calcium binding properties. The GRPs are constitutively expressed at basal levels in all organs, and as stress-inducible ER chaperones, they are major players in protein folding, assembly and degradation. This conventional concept is augmented by recent discoveries that GRPs can be actively translocated to other cellular locations such as the cell surface, where they assume novel functions that regulate signaling, proliferation, apoptosis and immunity. Recent construction and characterization of mouse models where the gene encoding for the UPR components and the GRPs is genetically altered provide new insights on the physiological contribution of these proteins in vivo. This review highlights recent progress towards the understanding of the role of the UPR and two major GRPs (GRP78 and GRP94) in regulating homeostasis of organs arising from the endoderm, mesoderm and ectoderm. GRP78 and GRP94 exhibit shared and unique functions, and in specific organs their depletion elicits adaptive responses with physiological consequences.
Collapse
Affiliation(s)
- Genyuan Zhu
- Department of Biochemistry and Molecular Biology, USC Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California
| | | |
Collapse
|
14
|
Vadasz B, Chen P, Yougbaré I, Zdravic D, Li J, Li C, Carrim N, Ni H. Platelets and platelet alloantigens: Lessons from human patients and animal models of fetal and neonatal alloimmune thrombocytopenia. Genes Dis 2015; 2:173-185. [PMID: 28345015 PMCID: PMC5362271 DOI: 10.1016/j.gendis.2015.02.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Platelets play critical roles in hemostasis and thrombosis. Emerging evidence indicates that they are versatile cells and also involved in many other physiological processes and disease states. Fetal and neonatal alloimmune thrombocytopenia (FNAIT) is a life threatening bleeding disorder caused by fetal platelet destruction by maternal alloantibodies developed during pregnancy. Gene polymorphisms cause platelet surface protein incompatibilities between mother and fetus, and ultimately lead to maternal alloimmunization. FNAIT is the most common cause of intracranial hemorrhage in full-term infants and can also lead to intrauterine growth retardation and miscarriage. Proper diagnosis, prevention and treatment of FNAIT is challenging due to insufficient knowledge of the disease and a lack of routine screening as well as its frequent occurrence in first pregnancies. Given the ethical difficulties in performing basic research on human fetuses and neonates, animal models are essential to improve our understanding of the pathogenesis and treatment of FNAIT. The aim of this review is to provide an overview on platelets, hemostasis and thrombocytopenia with a focus on the advancements made in FNAIT by utilizing animal models.
Collapse
Affiliation(s)
- Brian Vadasz
- Toronto Platelet Immunobiology Group, Toronto, ON, Canada; Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Pingguo Chen
- Toronto Platelet Immunobiology Group, Toronto, ON, Canada; Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada; Canadian Blood Services, Toronto, ON, Canada
| | - Issaka Yougbaré
- Toronto Platelet Immunobiology Group, Toronto, ON, Canada; Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada; Canadian Blood Services, Toronto, ON, Canada
| | - Darko Zdravic
- Toronto Platelet Immunobiology Group, Toronto, ON, Canada; Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada; Canadian Blood Services, Toronto, ON, Canada
| | - June Li
- Toronto Platelet Immunobiology Group, Toronto, ON, Canada; Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Conglei Li
- Toronto Platelet Immunobiology Group, Toronto, ON, Canada; Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada; Canadian Blood Services, Toronto, ON, Canada
| | - Naadiya Carrim
- Toronto Platelet Immunobiology Group, Toronto, ON, Canada; Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada
| | - Heyu Ni
- Toronto Platelet Immunobiology Group, Toronto, ON, Canada; Department of Laboratory Medicine, Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Toronto, ON, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada; Canadian Blood Services, Toronto, ON, Canada; Department of Physiology, University of Toronto, Toronto, ON, Canada; Department of Medicine, University of Toronto, Toronto, ON, Canada
| |
Collapse
|
15
|
Heinig K, Sage F, Robin C, Sperandio M. Development and trafficking function of haematopoietic stem cells and myeloid cells during fetal ontogeny. Cardiovasc Res 2015; 107:352-63. [DOI: 10.1093/cvr/cvv146] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Accepted: 04/16/2015] [Indexed: 01/04/2023] Open
|
16
|
Ayllón V, Bueno C, Ramos-Mejía V, Navarro-Montero O, Prieto C, Real PJ, Romero T, García-León MJ, Toribio ML, Bigas A, Menendez P. The Notch ligand DLL4 specifically marks human hematoendothelial progenitors and regulates their hematopoietic fate. Leukemia 2015; 29:1741-53. [PMID: 25778099 DOI: 10.1038/leu.2015.74] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2014] [Revised: 03/08/2015] [Accepted: 03/09/2015] [Indexed: 12/17/2022]
Abstract
Notch signaling is essential for definitive hematopoiesis, but its role in human embryonic hematopoiesis is largely unknown. We show that in hESCs the expression of the Notch ligand DLL4 is induced during hematopoietic differentiation. We found that DLL4 is only expressed in a sub-population of bipotent hematoendothelial progenitors (HEPs) and segregates their hematopoietic versus endothelial potential. We demonstrate at the clonal level and through transcriptome analyses that DLL4(high) HEPs are enriched in endothelial potential, whereas DLL4(low/-) HEPs are committed to the hematopoietic lineage, albeit both populations still contain bipotent cells. Moreover, DLL4 stimulation enhances hematopoietic differentiation of HEPs and increases the amount of clonogenic hematopoietic progenitors. Confocal microscopy analysis of whole differentiating embryoid bodies revealed that DLL4(high) HEPs are located close to DLL4(low/-) HEPs, and at the base of clusters of CD45+ cells, resembling intra-aortic hematopoietic clusters found in mouse embryos. We propose a model for human embryonic hematopoiesis in which DLL4(low/-) cells within hemogenic endothelium receive Notch-activating signals from DLL4(high) cells, resulting in an endothelial-to-hematopoietic transition and their differentiation into CD45+ hematopoietic cells.
Collapse
Affiliation(s)
- V Ayllón
- Gene Regulation, Stem Cells & Development Laboratory, GENyO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, Granada, Spain
| | - C Bueno
- Josep Carreras Leukemia Research Institute, School of Medicine, University of Barcelona, Barcelona, Spain
| | - V Ramos-Mejía
- Gene Regulation, Stem Cells & Development Laboratory, GENyO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, Granada, Spain
| | - O Navarro-Montero
- Gene Regulation, Stem Cells & Development Laboratory, GENyO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, Granada, Spain
| | - C Prieto
- Josep Carreras Leukemia Research Institute, School of Medicine, University of Barcelona, Barcelona, Spain
| | - P J Real
- Gene Regulation, Stem Cells & Development Laboratory, GENyO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, Granada, Spain
| | - T Romero
- Gene Regulation, Stem Cells & Development Laboratory, GENyO, Centre for Genomics and Oncological Research, Pfizer/University of Granada/Andalusian Regional Government, Granada, Spain
| | - M J García-León
- Centro de Biologia Molecular Severo Ochoa (CBM-SO), CSIC-UAM, Campus de la Universidad Autonoma de Madrid, Madrid, Spain
| | - M L Toribio
- Centro de Biologia Molecular Severo Ochoa (CBM-SO), CSIC-UAM, Campus de la Universidad Autonoma de Madrid, Madrid, Spain
| | - A Bigas
- Program in Cancer Research, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), Barcelona, Spain
| | - P Menendez
- 1] Josep Carreras Leukemia Research Institute, School of Medicine, University of Barcelona, Barcelona, Spain [2] Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
| |
Collapse
|
17
|
Lie-A-Ling M, Marinopoulou E, Li Y, Patel R, Stefanska M, Bonifer C, Miller C, Kouskoff V, Lacaud G. RUNX1 positively regulates a cell adhesion and migration program in murine hemogenic endothelium prior to blood emergence. Blood 2014; 124:e11-20. [PMID: 25082880 DOI: 10.1182/blood-2014-04-572958] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
During ontogeny, the transcription factor RUNX1 governs the emergence of definitive hematopoietic cells from specialized endothelial cells called hemogenic endothelium (HE). The ultimate consequence of this endothelial-to-hematopoietic transition is the concomitant activation of the hematopoietic program and downregulation of the endothelial program. However, due to the rare and transient nature of the HE, little is known about the initial role of RUNX1 within this population. We, therefore, developed and implemented a highly sensitive DNA adenine methyltransferase identification-based methodology, including a novel data analysis pipeline, to map early RUNX1 transcriptional targets in HE cells. This novel transcription factor binding site identification protocol should be widely applicable to other low abundance cell types and factors. Integration of the RUNX1 binding profile with gene expression data revealed an unexpected early role for RUNX1 as a positive regulator of cell adhesion- and migration-associated genes within the HE. This suggests that RUNX1 orchestrates HE cell positioning and integration prior to the release of hematopoietic cells. Overall, our genome-wide analysis of the RUNX1 binding and transcriptional profile in the HE provides a novel comprehensive resource of target genes that will facilitate the precise dissection of the role of RUNX1 in early blood development.
Collapse
Affiliation(s)
| | - Elli Marinopoulou
- Cancer Research UK Stem Cell Biology Group, and Cancer Research UK Computational Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, United Kingdom
| | - Yaoyong Li
- Cancer Research UK Computational Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, United Kingdom
| | | | - Monika Stefanska
- Faculty of Biochemistry, Biophysics and Biotechnology Department, Jagiellonian University, Kraków, Poland
| | - Constanze Bonifer
- Institute of Biomedical Research, University of Birmingham, Birmingham, United Kingdom; and
| | - Crispin Miller
- Cancer Research UK Computational Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, United Kingdom
| | - Valerie Kouskoff
- Cancer Research UK Stem Cell Haematopoiesis Group, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, United Kingdom
| | | |
Collapse
|
18
|
Charbord P, Pouget C, Binder H, Dumont F, Stik G, Levy P, Allain F, Marchal C, Richter J, Uzan B, Pflumio F, Letourneur F, Wirth H, Dzierzak E, Traver D, Jaffredo T, Durand C. A systems biology approach for defining the molecular framework of the hematopoietic stem cell niche. Cell Stem Cell 2014; 15:376-391. [PMID: 25042701 DOI: 10.1016/j.stem.2014.06.005] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2013] [Revised: 04/04/2014] [Accepted: 06/06/2014] [Indexed: 12/20/2022]
Abstract
Despite progress in identifying the cellular composition of hematopoietic stem/progenitor cell (HSPC) niches, little is known about the molecular requirements of HSPC support. To address this issue, we used a panel of six recognized HSPC-supportive stromal lines and less-supportive counterparts originating from embryonic and adult hematopoietic sites. Through comprehensive transcriptomic meta-analyses, we identified 481 mRNAs and 17 microRNAs organized in a modular network implicated in paracrine signaling. Further inclusion of 18 additional cell strains demonstrated that this mRNA subset was predictive of HSPC support. Our gene set contains most known HSPC regulators as well as a number of unexpected ones, such as Pax9 and Ccdc80, as validated by functional studies in zebrafish embryos. In sum, our approach has identified the core molecular network required for HSPC support. These cues, along with a searchable web resource, will inform ongoing efforts to instruct HSPC ex vivo amplification and formation from pluripotent precursors.
Collapse
Affiliation(s)
- Pierre Charbord
- INSERM U972, University Paris 11, Hôpital Paul Brousse, 94807 Villejuif, France.
| | - Claire Pouget
- Department of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093-0380, USA
| | - Hans Binder
- Interdisciplinary Center for Bioinformatics, University of Leipzig, 04107 Leipzig, Germany
| | - Florent Dumont
- Genomic Platform, Institut Cochin, INSERM U567, 75014 Paris, France
| | - Grégoire Stik
- Sorbonne Universités, UPMC Paris 06, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris; CNRS, INSERM U1156, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris, France
| | - Pacifique Levy
- Sorbonne Universités, UPMC Paris 06, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris; CNRS, INSERM U1156, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris, France
| | - Fabrice Allain
- Sorbonne Universités, UPMC Paris 06, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris; CNRS, INSERM U1156, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris, France
| | - Céline Marchal
- Sorbonne Universités, UPMC Paris 06, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris; CNRS, INSERM U1156, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris, France
| | - Jenna Richter
- Department of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093-0380, USA
| | - Benjamin Uzan
- UMR967 INSERM, LSHL/IRCM, CEA, University Paris 7, 92260 Fontenay-aux-Roses, France
| | - Françoise Pflumio
- UMR967 INSERM, LSHL/IRCM, CEA, University Paris 7, 92260 Fontenay-aux-Roses, France
| | | | - Henry Wirth
- Interdisciplinary Center for Bioinformatics, University of Leipzig, 04107 Leipzig, Germany
| | - Elaine Dzierzak
- Department of Cell Biology, Erasmus Stem Cell Institute, Erasmus Medical Center, P.O. Box 2040, 3000 CA Rotterdam, the Netherlands
| | - David Traver
- Department of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093-0380, USA
| | - Thierry Jaffredo
- Sorbonne Universités, UPMC Paris 06, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris; CNRS, INSERM U1156, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris, France
| | - Charles Durand
- Sorbonne Universités, UPMC Paris 06, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris; CNRS, INSERM U1156, IBPS, UMR 7622, Laboratoire de Biologie du Développement, 75005 Paris, France.
| |
Collapse
|
19
|
Bi JJ, Yi L. Effects of integrins and integrin αvβ3 inhibitor on angiogenesis in cerebral ischemic stroke. ACTA ACUST UNITED AC 2014; 34:299-305. [PMID: 24939290 DOI: 10.1007/s11596-014-1274-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2013] [Revised: 03/26/2014] [Indexed: 12/31/2022]
Abstract
Integrins such as αvβ3, α5β1 play a key role in angiogenesis regulation, invasion and metastasis, inflammation, wound healing, etc. The up-regulation of integrin αvβ3 after cerebral ischemic stroke can promote angiogenesis, which in turn improves functional recovery. In addition, the integrin αvβ3 inhibitor can block the blood-brain barrier (BBB) leakage induced by vascular endothelial growth factor (VEGF) and also can reduce inflammatory reaction, decrease the deposition of fibrinogen. Other studies showed that integrin αvβ3 is not essential in revascularization. Therefore, the effect of integrin αvβ3 in the whole process of brain function recovery merits further study.
Collapse
Affiliation(s)
- Jia-Jia Bi
- Department of Neurology, Peking University Shenzhen Hospital, Shenzhen, 518036, China
| | - Li Yi
- Department of Neurology, Peking University Shenzhen Hospital, Shenzhen, 518036, China.
| |
Collapse
|
20
|
de Pater E, Kaimakis P, Vink CS, Yokomizo T, Yamada-Inagawa T, van der Linden R, Kartalaei PS, Camper SA, Speck N, Dzierzak E. Gata2 is required for HSC generation and survival. ACTA ACUST UNITED AC 2013; 210:2843-50. [PMID: 24297996 PMCID: PMC3865477 DOI: 10.1084/jem.20130751] [Citation(s) in RCA: 168] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
GATA2 function is essential for the generation of HSCs during the stage of endothelial-to-hematopoietic cell transition and thereafter for HSC survival Knowledge of the key transcription factors that drive hematopoietic stem cell (HSC) generation is of particular importance for current hematopoietic regenerative approaches and reprogramming strategies. Whereas GATA2 has long been implicated as a hematopoietic transcription factor and its dysregulated expression is associated with human immunodeficiency syndromes and vascular integrity, it is as yet unknown how GATA2 functions in the generation of HSCs. HSCs are generated from endothelial cells of the major embryonic vasculature (aorta, vitelline, and umbilical arteries) and are found in intra-aortic hematopoietic clusters. In this study, we find that GATA2 function is essential for the generation of HSCs during the stage of endothelial-to-hematopoietic cell transition. Specific deletion of Gata2 in Vec (Vascular Endothelial Cadherin)-expressing endothelial cells results in a deficiency of long-term repopulating HSCs and intra-aortic cluster cells. By specific deletion of Gata2 in Vav-expressing hematopoietic cells (after HSC generation), we further show that GATA2 is essential for HSC survival. This is in contrast to the known activity of the RUNX1 transcription factor, which functions only in the generation of HSCs, and highlights the unique requirement for GATA2 function in HSCs throughout all developmental stages.
Collapse
Affiliation(s)
- Emma de Pater
- Erasmus Medical Center, Erasmus Stem Cell Institute, 3000 CA Rotterdam, Netherlands
| | | | | | | | | | | | | | | | | | | |
Collapse
|