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Kalisch-Smith JI, Ehtisham-Uddin N, Rodriguez-Caro H. Feto-placental and coronary endothelial genes implicated in miscarriage, congenital heart disease and stillbirth, a systematic review and meta-analysis. Placenta 2024; 156:55-66. [PMID: 39276426 DOI: 10.1016/j.placenta.2024.08.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2024] [Revised: 08/12/2024] [Accepted: 08/27/2024] [Indexed: 09/17/2024]
Abstract
The first trimester placenta is very rarely investigated for placental vascular formation in developmental or diseased contexts. Defects in placental formation can cause heart defects in the fetus, and vice versa. Determining the causality is therefore difficult as both organs develop concurrently and express many of the same genes. Here, we performed a systematic review to determine feto-placental and coronary endothelial genes implicated in miscarriages, stillbirth and congenital heart defects (CHD) from human genome wide screening studies. 4 single cell RNAseq datasets from human first/early second trimester cardiac and placental samples were queried to generate a list of 1187 endothelial genes. This broad list was cross-referenced with genes implicated in the pregnancy disorders above. 39 papers reported feto-placental and cardiac coronary endothelial genes, totalling 612 variants. Vascular gene variants were attributed to the incidence of miscarriage (8 %), CHD (4 %) and stillbirth (3 %). The most common genes for CHD (NOTCH, DST, FBN1, JAG1, CHD4), miscarriage (COL1A1, HERC1), and stillbirth (AKAP9, MYLK), were involved in blood vessel and cardiac valve formation, with roles in endothelial differentiation, angiogenesis, extracellular matrix signaling, growth factor binding and cell adhesion. NOTCH1, AKAP12, CHD4, LAMC1 and SOS1 showed greater relative risk ratios with CHD. Many of the vascular genes identified were expressed highly in both placental and heart EC populations. Both feto-placental and cardiac vascular genes are likely to result in poor endothelial cell development and function during human pregnancy that leads to higher risk of miscarriage, congenital heart disease and stillbirth.
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Affiliation(s)
- Jacinta I Kalisch-Smith
- Institute for Developmental and Regenerative Medicine, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, OX3 7TY, UK.
| | - Nusaybah Ehtisham-Uddin
- Institute for Developmental and Regenerative Medicine, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, OX3 7TY, UK
| | - Helena Rodriguez-Caro
- Institute for Developmental and Regenerative Medicine, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, OX3 7TY, UK; Department of Oncology, University of Lausanne and Ludwig Institute for Cancer Research, Lausanne, Switzerland
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2
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Jeong JY, Bafor AE, Freeman BH, Chen PR, Park ES, Kim E. Pathophysiology in Brain Arteriovenous Malformations: Focus on Endothelial Dysfunctions and Endothelial-to-Mesenchymal Transition. Biomedicines 2024; 12:1795. [PMID: 39200259 PMCID: PMC11351371 DOI: 10.3390/biomedicines12081795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2024] [Revised: 07/26/2024] [Accepted: 07/29/2024] [Indexed: 09/02/2024] Open
Abstract
Brain arteriovenous malformations (bAVMs) substantially increase the risk for intracerebral hemorrhage (ICH), which is associated with significant morbidity and mortality. However, the treatment options for bAVMs are severely limited, primarily relying on invasive methods that carry their own risks for intraoperative hemorrhage or even death. Currently, there are no pharmaceutical agents shown to treat this condition, primarily due to a poor understanding of bAVM pathophysiology. For the last decade, bAVM research has made significant advances, including the identification of novel genetic mutations and relevant signaling in bAVM development. However, bAVM pathophysiology is still largely unclear. Further investigation is required to understand the detailed cellular and molecular mechanisms involved, which will enable the development of safer and more effective treatment options. Endothelial cells (ECs), the cells that line the vascular lumen, are integral to the pathogenesis of bAVMs. Understanding the fundamental role of ECs in pathological conditions is crucial to unraveling bAVM pathophysiology. This review focuses on the current knowledge of bAVM-relevant signaling pathways and dysfunctions in ECs, particularly the endothelial-to-mesenchymal transition (EndMT).
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Affiliation(s)
| | | | | | | | | | - Eunhee Kim
- Vivian L. Smith Department of Neurosurgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA; (J.Y.J.); (A.E.B.); (B.H.F.); (P.R.C.); (E.S.P.)
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3
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Novak S, Tanigawa H, Singh V, Root SH, Schmidt TA, Hankenson KD, Kalajzic I. Endothelial to mesenchymal Notch signaling regulates skeletal repair. JCI Insight 2024; 9:e181073. [PMID: 38781018 PMCID: PMC11383173 DOI: 10.1172/jci.insight.181073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 05/15/2024] [Indexed: 05/25/2024] Open
Abstract
We present a transcriptomic analysis that provides a better understanding of regulatory mechanisms within the healthy and injured periosteum. The focus of this work is on characterizing early events controlling bone healing during formation of periosteal callus on day 3 after fracture. Building on our previous findings showing that induced Notch1 signaling in osteoprogenitors leads to better healing, we compared samples in which the Notch 1 intracellular domain is overexpressed by periosteal stem/progenitor cells, with control intact and fractured periosteum. Molecular mechanisms and changes in skeletal stem/progenitor cells (SSPCs) and other cell populations within the callus, including hematopoietic lineages, were determined. Notably, Notch ligands were differentially expressed in endothelial and mesenchymal populations, with Dll4 restricted to endothelial cells, whereas Jag1 was expressed by mesenchymal populations. Targeted deletion of Dll4 in endothelial cells using Cdh5CreER resulted in negative effects on early fracture healing, while deletion in SSPCs using α-smooth muscle actin-CreER did not impact bone healing. Translating these observations into a clinically relevant model of bone healing revealed the beneficial effects of delivering Notch ligands alongside the osteogenic inducer, BMP2. These findings provide insights into the regulatory mechanisms within the healthy and injured periosteum, paving the way for novel translational approaches to bone healing.
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Affiliation(s)
- Sanja Novak
- Center for Regenerative Medicine and Skeletal Development, School of Dental Medicine, UConn Health, Farmington, Connecticut, USA
| | - Hitoshi Tanigawa
- Center for Regenerative Medicine and Skeletal Development, School of Dental Medicine, UConn Health, Farmington, Connecticut, USA
| | - Vijender Singh
- Institute for Systems Genomics, Computational Biology Core, UConn, Storrs, Connecticut, USA
| | - Sierra H Root
- Center for Regenerative Medicine and Skeletal Development, School of Dental Medicine, UConn Health, Farmington, Connecticut, USA
| | - Tannin A Schmidt
- Biomedical Engineering Department, School of Dental Medicine, UConn Health, Farmington, Connecticut, USA
| | - Kurt D Hankenson
- Department of Orthopaedic Surgery, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - Ivo Kalajzic
- Center for Regenerative Medicine and Skeletal Development, School of Dental Medicine, UConn Health, Farmington, Connecticut, USA
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4
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Préau L, Lischke A, Merkel M, Oegel N, Weissenbruch M, Michael A, Park H, Gradl D, Kupatt C, le Noble F. Parenchymal cues define Vegfa-driven venous angiogenesis by activating a sprouting competent venous endothelial subtype. Nat Commun 2024; 15:3118. [PMID: 38600061 PMCID: PMC11006894 DOI: 10.1038/s41467-024-47434-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 04/02/2024] [Indexed: 04/12/2024] Open
Abstract
Formation of organo-typical vascular networks requires cross-talk between differentiating parenchymal cells and developing blood vessels. Here we identify a Vegfa driven venous sprouting process involving parenchymal to vein cross-talk regulating venous endothelial Vegfa signaling strength and subsequent formation of a specialized angiogenic cell, prefabricated with an intact lumen and pericyte coverage, termed L-Tip cell. L-Tip cell selection in the venous domain requires genetic interaction between vascular Aplnra and Kdrl in a subset of venous endothelial cells and exposure to parenchymal derived Vegfa and Apelin. Parenchymal Esm1 controls the spatial positioning of venous sprouting by fine-tuning local Vegfa availability. These findings may provide a conceptual framework for understanding how Vegfa generates organo-typical vascular networks based on the selection of competent endothelial cells, induced via spatio-temporal control of endothelial Kdrl signaling strength involving multiple parenchymal derived cues generated in a tissue dependent metabolic context.
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Affiliation(s)
- Laetitia Préau
- Department of Cell and Developmental Biology, Institute of Zoology (ZOO), Karlsruhe Institute of Technology (KIT), Fritz Haber Weg 4, 76131, Karlsruhe, Germany
- Institute for Biological and Chemical Systems-Biological Information Processing, Karlsruhe Institute of Technology (KIT), PO Box 3640, 76021, Karlsruhe, Germany
| | - Anna Lischke
- Department of Cell and Developmental Biology, Institute of Zoology (ZOO), Karlsruhe Institute of Technology (KIT), Fritz Haber Weg 4, 76131, Karlsruhe, Germany
| | - Melanie Merkel
- Department of Cell and Developmental Biology, Institute of Zoology (ZOO), Karlsruhe Institute of Technology (KIT), Fritz Haber Weg 4, 76131, Karlsruhe, Germany
| | - Neslihan Oegel
- Department of Cell and Developmental Biology, Institute of Zoology (ZOO), Karlsruhe Institute of Technology (KIT), Fritz Haber Weg 4, 76131, Karlsruhe, Germany
| | - Maria Weissenbruch
- Department of Cell and Developmental Biology, Institute of Zoology (ZOO), Karlsruhe Institute of Technology (KIT), Fritz Haber Weg 4, 76131, Karlsruhe, Germany
| | - Andria Michael
- Department of Cell and Developmental Biology, Institute of Zoology (ZOO), Karlsruhe Institute of Technology (KIT), Fritz Haber Weg 4, 76131, Karlsruhe, Germany
| | - Hongryeol Park
- Dept. Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, Roentgen Strasse 20, 48149, Muenster, Germany
| | - Dietmar Gradl
- Department of Cell and Developmental Biology, Institute of Zoology (ZOO), Karlsruhe Institute of Technology (KIT), Fritz Haber Weg 4, 76131, Karlsruhe, Germany
| | - Christian Kupatt
- Klinik und Poliklinik für Innere Medizin I, Klinikum rechts der Isar, Technical University Munich, and DZHK (German Center for Cardiovascular Research), partner site Munich, Munich, Germany
| | - Ferdinand le Noble
- Department of Cell and Developmental Biology, Institute of Zoology (ZOO), Karlsruhe Institute of Technology (KIT), Fritz Haber Weg 4, 76131, Karlsruhe, Germany.
- Institute for Biological and Chemical Systems-Biological Information Processing, Karlsruhe Institute of Technology (KIT), PO Box 3640, 76021, Karlsruhe, Germany.
- Institute of Experimental Cardiology, University of Heidelberg, Im Neuenheimer Feld 669, 69120 Heidelberg, Germany and DZHK (German Center for Cardiovascular Research), partner site Heidelberg/Mannheim, Heidelberg, Germany.
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5
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Stewen J, Kruse K, Godoi-Filip AT, Zenia, Jeong HW, Adams S, Berkenfeld F, Stehling M, Red-Horse K, Adams RH, Pitulescu ME. Eph-ephrin signaling couples endothelial cell sorting and arterial specification. Nat Commun 2024; 15:2539. [PMID: 38570531 PMCID: PMC10991410 DOI: 10.1038/s41467-024-46300-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 02/21/2024] [Indexed: 04/05/2024] Open
Abstract
Cell segregation allows the compartmentalization of cells with similar fates during morphogenesis, which can be enhanced by cell fate plasticity in response to local molecular and biomechanical cues. Endothelial tip cells in the growing retina, which lead vessel sprouts, give rise to arterial endothelial cells and thereby mediate arterial growth. Here, we have combined cell type-specific and inducible mouse genetics, flow experiments in vitro, single-cell RNA sequencing and biochemistry to show that the balance between ephrin-B2 and its receptor EphB4 is critical for arterial specification, cell sorting and arteriovenous patterning. At the molecular level, elevated ephrin-B2 function after loss of EphB4 enhances signaling responses by the Notch pathway, VEGF and the transcription factor Dach1, which is influenced by endothelial shear stress. Our findings reveal how Eph-ephrin interactions integrate cell segregation and arteriovenous specification in the vasculature, which has potential relevance for human vascular malformations caused by EPHB4 mutations.
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Affiliation(s)
- Jonas Stewen
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Kai Kruse
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
- Bioinformatics Service Unit, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Anca T Godoi-Filip
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Zenia
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Hyun-Woo Jeong
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
- Sequencing Core Facility, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Susanne Adams
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Frank Berkenfeld
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Martin Stehling
- Flow Cytometry Unit, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Kristy Red-Horse
- Department of Biology, Stanford University, Stanford, CA, USA
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Howard Hughes Medical Institute, Stanford, CA, USA
| | - Ralf H Adams
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany.
| | - Mara E Pitulescu
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany.
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6
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Thambyrajah R, Maqueda M, Neo WH, Imbach K, Guillén Y, Grases D, Fadlullah Z, Gambera S, Matteini F, Wang X, Calero-Nieto FJ, Esteller M, Florian MC, Porta E, Benedito R, Göttgens B, Lacaud G, Espinosa L, Bigas A. Cis inhibition of NOTCH1 through JAGGED1 sustains embryonic hematopoietic stem cell fate. Nat Commun 2024; 15:1604. [PMID: 38383534 PMCID: PMC10882055 DOI: 10.1038/s41467-024-45716-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 02/02/2024] [Indexed: 02/23/2024] Open
Abstract
Hematopoietic stem cells (HSCs) develop from the hemogenic endothelium (HE) in the aorta- gonads-and mesonephros (AGM) region and reside within Intra-aortic hematopoietic clusters (IAHC) along with hematopoietic progenitors (HPC). The signalling mechanisms that distinguish HSCs from HPCs are unknown. Notch signaling is essential for arterial specification, IAHC formation and HSC activity, but current studies on how Notch segregates these different fates are inconsistent. We now demonstrate that Notch activity is highest in a subset of, GFI1 + , HSC-primed HE cells, and is gradually lost with HSC maturation. We uncover that the HSC phenotype is maintained due to increasing levels of NOTCH1 and JAG1 interactions on the surface of the same cell (cis) that renders the NOTCH1 receptor from being activated. Forced activation of the NOTCH1 receptor in IAHC activates a hematopoietic differentiation program. Our results indicate that NOTCH1-JAG1 cis-inhibition preserves the HSC phenotype in the hematopoietic clusters of the embryonic aorta.
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Affiliation(s)
- Roshana Thambyrajah
- Program in Cancer Research. Institut Hospital del Mar d'Investigacions Mèdiques, CIBERONC, Barcelona, Spain.
- Josep Carreras Leukemia Research Institute, Barcelona, Spain.
- Centro de Investigacion Biomedica en Red (CIBER), Madrid, Spain.
| | - Maria Maqueda
- Program in Cancer Research. Institut Hospital del Mar d'Investigacions Mèdiques, CIBERONC, Barcelona, Spain
| | - Wen Hao Neo
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, UK
| | - Kathleen Imbach
- Josep Carreras Leukemia Research Institute, Barcelona, Spain
| | - Yolanda Guillén
- Program in Cancer Research. Institut Hospital del Mar d'Investigacions Mèdiques, CIBERONC, Barcelona, Spain
| | - Daniela Grases
- Josep Carreras Leukemia Research Institute, Barcelona, Spain
| | - Zaki Fadlullah
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, UK
| | - Stefano Gambera
- Molecular Genetics of Angiogenesis Group. Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Francesca Matteini
- Stem Cell Aging Group, Regenerative Medicine Program, The Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
- Program for advancing the Clinical Translation of Regenerative Medicine of Catalonia (P-CMR[C]), Barcelona, Spain
| | - Xiaonan Wang
- Department of Haematology, Wellcome - MRC Cambridge Stem Cell Institute, Cambridge Biomedical Campus, Cambridge, UK
- School of Public Health, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Fernando J Calero-Nieto
- Department of Haematology, Wellcome - MRC Cambridge Stem Cell Institute, Cambridge Biomedical Campus, Cambridge, UK
| | - Manel Esteller
- Josep Carreras Leukemia Research Institute, Barcelona, Spain
- Centro de Investigacion Biomedica en Red (CIBER), Madrid, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Catalonia, Spain
- Physiological Sciences Department, School of Medicine and Health Sciences, University of Barcelona (UB), Barcelona, Catalonia, Spain
| | - Maria Carolina Florian
- Centro de Investigacion Biomedica en Red (CIBER), Madrid, Spain
- Stem Cell Aging Group, Regenerative Medicine Program, The Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
- Program for advancing the Clinical Translation of Regenerative Medicine of Catalonia (P-CMR[C]), Barcelona, Spain
| | - Eduard Porta
- Josep Carreras Leukemia Research Institute, Barcelona, Spain
| | - Rui Benedito
- Molecular Genetics of Angiogenesis Group. Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Berthold Göttgens
- Department of Haematology, Wellcome - MRC Cambridge Stem Cell Institute, Cambridge Biomedical Campus, Cambridge, UK
| | - Georges Lacaud
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, UK
| | - Lluis Espinosa
- Program in Cancer Research. Institut Hospital del Mar d'Investigacions Mèdiques, CIBERONC, Barcelona, Spain
- Centro de Investigacion Biomedica en Red (CIBER), Madrid, Spain
| | - Anna Bigas
- Program in Cancer Research. Institut Hospital del Mar d'Investigacions Mèdiques, CIBERONC, Barcelona, Spain.
- Josep Carreras Leukemia Research Institute, Barcelona, Spain.
- Centro de Investigacion Biomedica en Red (CIBER), Madrid, Spain.
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7
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Kondelaji MHR, Sharma GP, Jagtap J, Shafiee S, Hansen C, Gasperetti T, Frei A, Veley D, Narayanan J, Fish BL, Parchur AK, Ibrahim ESH, Medhora M, Himburg HA, Joshi A. 2 nd Window NIR Imaging of Radiation Injury Mitigation Provided by Reduced Notch-Dll4 Expression on Vasculature. Mol Imaging Biol 2024; 26:124-137. [PMID: 37530966 PMCID: PMC11188939 DOI: 10.1007/s11307-023-01840-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 07/07/2023] [Accepted: 07/12/2023] [Indexed: 08/03/2023]
Abstract
PURPOSE Vascular endothelium plays a central role in the pathogenesis of acute and chronic radiation injuries, yet the mechanisms which promote sustained endothelial dysfunction and contribute to late responding organ failure are unclear. We employed 2nd window (> 1100 nm emission) Near-Infrared (NIR) imaging using indocyanine green (ICG) to track and define the role of the notch ligand Delta-like ligand 4 (Dll4) in mediating vascular injury in two late-responding radiosensitive organs: the lung and kidney. PROCEDURES Consomic strains of female Salt Sensitive or SS (Dll4-high) and SS with 3rd chromosome inherited from Brown Norway, SS.BN3 (Dll4-low) rats at ages 11-12 weeks were used to demonstrate the impact of reduced Dll4 expression on long-term vascular integrity, renal function, and survival following high-dose 13 Gy partial body irradiation at 42- and 90 days post-radiation. 2nd window dynamic NIR fluorescence imaging with ICG was analyzed with physiology-based pharmacokinetic modeling and confirmed with assays of endothelial Dll4 expression to assess the role of endogenous Dll4 expression on radiation injury protection. RESULTS We show that SS.BN3 (Dll4-low) rats are relatively protected from vascular permeability disruption compared to the SS (Dll4-high) strain. We further demonstrated that SS.BN3 (Dll4-low) rats have reduced radiation induced loss of CD31+ vascular endothelial cells, and increased Dll4 vascular expression is correlated with vascular dysfunction. CONCLUSIONS Together, these data suggest Dll4 plays a key role in pathogenesis of radiation-induced vascular injury to the lung and kidney.
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Affiliation(s)
| | - Guru Prasad Sharma
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Jaidip Jagtap
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
| | - Shayan Shafiee
- Department of Biomedical Engineering, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Christopher Hansen
- Department of Biomedical Engineering, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Tracy Gasperetti
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Anne Frei
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Dana Veley
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Jayashree Narayanan
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Brian L Fish
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Abdul K Parchur
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - El-Sayed H Ibrahim
- Department of Radiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Meetha Medhora
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Heather A Himburg
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, WI, USA.
| | - Amit Joshi
- Department of Biomedical Engineering, Medical College of Wisconsin, Milwaukee, WI, USA.
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8
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Payne S, Neal A, De Val S. Transcription factors regulating vasculogenesis and angiogenesis. Dev Dyn 2024; 253:28-58. [PMID: 36795082 PMCID: PMC10952167 DOI: 10.1002/dvdy.575] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 02/06/2023] [Accepted: 02/06/2023] [Indexed: 02/17/2023] Open
Abstract
Transcription factors (TFs) play a crucial role in regulating the dynamic and precise patterns of gene expression required for the initial specification of endothelial cells (ECs), and during endothelial growth and differentiation. While sharing many core features, ECs can be highly heterogeneous. Differential gene expression between ECs is essential to pattern the hierarchical vascular network into arteries, veins and capillaries, to drive angiogenic growth of new vessels, and to direct specialization in response to local signals. Unlike many other cell types, ECs have no single master regulator, instead relying on differing combinations of a necessarily limited repertoire of TFs to achieve tight spatial and temporal activation and repression of gene expression. Here, we will discuss the cohort of TFs known to be involved in directing gene expression during different stages of mammalian vasculogenesis and angiogenesis, with a primary focus on development.
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Affiliation(s)
- Sophie Payne
- Department of Physiology, Anatomy and GeneticsInstitute of Developmental and Regenerative Medicine, University of OxfordOxfordUK
| | - Alice Neal
- Department of Physiology, Anatomy and GeneticsInstitute of Developmental and Regenerative Medicine, University of OxfordOxfordUK
| | - Sarah De Val
- Department of Physiology, Anatomy and GeneticsInstitute of Developmental and Regenerative Medicine, University of OxfordOxfordUK
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9
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Men X, Hu A, Xu T. CircLZIC regulates ox-LDL-induced HUVEC cell proliferation and apoptosis via Micro-330-5p/NOTCH2 axis in atherosclerosis. Clin Hemorheol Microcirc 2024; 87:115-127. [PMID: 38277288 PMCID: PMC11191521 DOI: 10.3233/ch-232063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2024]
Abstract
Atherosclerosis (AS) is a major chronic non-communicable disease and a primary cause of cardiovascular disease. Recent studies have shown that circRNAs are potential epigenetic factors that regulate vascular endothelial inflammatory responses and AS progression. Therefore, identification of the circRNAs that regulate ox-LDL levels is a critical step to understanding the pathology of AS. Our study is aim to investigate how circLZIC regulates atherosclerosis (AS) via the Micro-330-5p/NOTCH2 regulatory axis. The results showed that CircLZIC and NOTCH2 are highly expressed in human AS clinical samples, while Micro-330-5p is expressed locally. The CCK-8 experiment results showed that circLZIC promotes the proliferation of HUVECS cells. Flow cytometry analysis showed that circLZIC act as an inhibitor of HUVEC cell apoptosis. The expression level of Micro-330-5p can be up-regulated by transfection of small interfering RNA against circLZIC. Further, Starbase predicted that Micro-330-5p could target and regulate NOTCH2. Next, we confirmed that overexpression of Micro-330-5p could significantly reduce the expression of fluorescein using the double Luciferase reporter assay. RIP-qRT-PCR experiment showed that Micro-330-5p and NOTCH2 mRNAs are effectively enriched by ago2 protein. Further, we found that knocking down circLZIC increases the expression of Micro-330-5p and promotes cell apoptosis, while inhibiting the expression of NOTCH2 and cell activity. On the other hand, co-transfection of Micro-330-5p inhibitor decreases Micro-330-5p expression and inhibit cell apoptosis, while increasing NOTCH2 expression and cell activity. In conclusion, CircLZIC regulates HUVEC cell activity by the Micro-330-5p/NOTCH2 signaling pathway, suggesting that circLZIC plays a key role in atherosclerosis development.
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Affiliation(s)
- Xingping Men
- Department of Cardiology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong, China
| | - Aizhen Hu
- Department of Cardiology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong, China
| | - Tingting Xu
- Department of Cardiology, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong, China
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10
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Cai J, Qiao Y, Chen L, Lu Y, Zheng D. Regulation of the Notch signaling pathway by natural products for cancer therapy. J Nutr Biochem 2024; 123:109483. [PMID: 37848105 DOI: 10.1016/j.jnutbio.2023.109483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 09/13/2023] [Accepted: 10/11/2023] [Indexed: 10/19/2023]
Abstract
The Notch signaling pathway is an evolutionarily conserved pathway that modulates normal biological processes involved in cellular differentiation, apoptosis, and stem cell self-renewal in a context-dependent fashion. Attributed to its pleiotropic physiological roles, both overexpression and silencing of the pathway are associated with the emergence, progression, and poorer prognosis in various types of cancer. To decrease disease incidence and promote survival, targeting Notch may have chemopreventive and anti-cancer effects. Natural products with profound historical origins have distinguished themselves from other therapies due to their easy access, high biological compatibility, low toxicity, and reliable effects at specific physiological sites in vivo. This review describes the Notch signaling pathway, particularly its normal activation process, and some main illnesses related to Notch signaling pathway dysregulation. Emphasis is placed on the effects and mechanisms of natural products targeting the Notch signaling pathway in diverse cancer types, including curcumin, ellagic acid (EA), resveratrol, genistein, epigallocatechin-3-gallate (EGCG), quercetin, and xanthohumol and so on. Existing evidence indicates that natural products are feasible solution to fight against cancer by targeting Notch signaling, either alone or in combination with current therapeutic agents.
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Affiliation(s)
- Jiayi Cai
- School of Stomatology, Fujian Medical University, Fuzhou 350122, China
| | - Yajie Qiao
- School of Stomatology, Fujian Medical University, Fuzhou 350122, China
| | - Lingbin Chen
- School of Stomatology, Fujian Medical University, Fuzhou 350122, China
| | - Youguang Lu
- Fujian Key Laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350004, China; Department of Preventive Dentistry, School and Hospital of Stomatology, Fujian Medical University, Fuzhou 350001, China
| | - Dali Zheng
- Fujian Key Laboratory of Oral Diseases, School and Hospital of Stomatology, Fujian Medical University, Fuzhou, 350004, China.
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11
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Cuervo H, Mühleder S, García-Gónzalez I, Benedito R. Notch-mediated cellular interactions between vascular cells. Curr Opin Cell Biol 2023; 85:102254. [PMID: 37832167 DOI: 10.1016/j.ceb.2023.102254] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/28/2023] [Accepted: 09/10/2023] [Indexed: 10/15/2023]
Abstract
Vessel formation and differentiation to a proper hierarchical vasculature requires a coordinated effort from endothelial and mural cells. Over the last decade Notch was identified as a key player in this process by promoting vascular arterialization and modulating endothelial tip-stalk phenotypes. Recent work has identified that Notch fine-tunes the diverse endothelial phenotypes through regulation of canonical cell-cycle and metabolism regulators, such as ERK and Myc. During arterialization, Notch signaling inhibits the cell-cycle and metabolism of endothelial cells which coincides with the acquisition of arterial identity. During angiogenesis, the same molecular machinery prevents the hypermitogenic arrest and excessive sprouting of vessels. Notch also signals in pericytes and smooth muscle cells promoting vascular coverage and maturation. Here, we will review the latest findings on how Notch signals regulate the differentiation and interactions among vascular cells during organ development and homeostasis.
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Affiliation(s)
- Henar Cuervo
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P), Madrid 28029, Spain
| | - Severin Mühleder
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P), Madrid 28029, Spain
| | - Irene García-Gónzalez
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P), Madrid 28029, Spain
| | - Rui Benedito
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares Carlos III (F.S.P), Madrid 28029, Spain.
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12
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Bertucci T, Kakarla S, Winkelman MA, Lane K, Stevens K, Lotz S, Grath A, James D, Temple S, Dai G. Direct differentiation of human pluripotent stem cells into vascular network along with supporting mural cells. APL Bioeng 2023; 7:036107. [PMID: 37564277 PMCID: PMC10411996 DOI: 10.1063/5.0155207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 07/11/2023] [Indexed: 08/12/2023] Open
Abstract
During embryonic development, endothelial cells (ECs) undergo vasculogenesis to form a primitive plexus and assemble into networks comprised of mural cell-stabilized vessels with molecularly distinct artery and vein signatures. This organized vasculature is established prior to the initiation of blood flow and depends on a sequence of complex signaling events elucidated primarily in animal models, but less studied and understood in humans. Here, we have developed a simple vascular differentiation protocol for human pluripotent stem cells that generates ECs, pericytes, and smooth muscle cells simultaneously. When this protocol is applied in a 3D hydrogel, we demonstrate that it recapitulates the dynamic processes of early human vessel formation, including acquisition of distinct arterial and venous fates, resulting in a vasculogenesis angiogenesis model plexus (VAMP). The VAMP captures the major stages of vasculogenesis, angiogenesis, and vascular network formation and is a simple, rapid, scalable model system for studying early human vascular development in vitro.
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Affiliation(s)
| | - Shravani Kakarla
- Northeastern University, Department of Bioengineering, Boston, Massachusetts 02115, USA
| | - Max A. Winkelman
- Northeastern University, Department of Bioengineering, Boston, Massachusetts 02115, USA
| | - Keith Lane
- Neural Stem Cell Institute, Rensselaer, New York 12144, USA
| | | | - Steven Lotz
- Neural Stem Cell Institute, Rensselaer, New York 12144, USA
| | - Alexander Grath
- Northeastern University, Department of Bioengineering, Boston, Massachusetts 02115, USA
| | - Daylon James
- Weill Cornell Medicine, New York, New York 10065, USA
| | - Sally Temple
- Neural Stem Cell Institute, Rensselaer, New York 12144, USA
| | - Guohao Dai
- Northeastern University, Department of Bioengineering, Boston, Massachusetts 02115, USA
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13
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Shi L, Song H, Zhou B, Morrow BE. Crk/Crkl regulates early angiogenesis in mouse embryos by accelerating endothelial cell maturation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.12.548782. [PMID: 37503032 PMCID: PMC10369973 DOI: 10.1101/2023.07.12.548782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Rationale Ubiquitously expressed cytoplasmic adaptors CRK and CRKL mediate multiple signaling pathways in mammalian embryogenesis. They are also associated with cardiovascular defects occurring in Miller-Dieker syndrome and 22q11.2 deletion syndrome, respectively. The embryonic mesoderm contributes to the formation of the cardiovascular system, yet the roles that Crk and Crkl play there are not understood on a single cell level. Objectives To determine functions of Crk and Crkl in the embryonic mesoderm during early mouse vascular development. Secondly, we will examine the molecular mechanisms responsible for early embryonic endothelial cell (EC) defects by performing single cell RNA-sequencing (scRNA-seq) and in vivo validation experiments. Methods and Results Inactivation of both Crk and Crkl together using Mesp1 Cre resulted embryonic lethality with severe vascular defects. Although vasculogenesis appeared normal, angiogenesis was disrupted both in the yolk sac and embryo proper, leading to disorganized vascular networks. We performed scRNA-seq of the Mesp1 Cre mesodermal lineage and found that there was upregulation of a great number of angiogenesis and cell migration related genes in ECs in the mutants, including NOTCH signaling genes such as Dll4 and Hey1 . Further bioinformatic analysis of EC subpopulations identified a relative increase in the number of more differentiated angiogenic ECs and decrease in EC progenitors. Consistent with this, we identified an expansion of Dll4 expressing cells within abnormal arteries, in vivo . Also, our bioinformatic data indicates that there is dysregulated expression of lineage genes that promote EC differentiation causing accelerated cell fate progression during EC differentiation. Conclusions Our results show that Crk and Crkl are crucial for regulating early embryonic angiogenesis. Combined inactivation of Crk/Crkl caused precocious EC maturation with an increase of atypical differentiated angiogenic ECs and failed vascular remodeling. This is in part due to increased NOTCH signaling and altered expression of cell migration genes.
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14
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Lu H, Wu C, Jiang XW, Zhao Q. ZLDI-8 suppresses angiogenesis and vasculogenic mimicry in drug-resistant NSCLC in vitro and in vivo. Lung Cancer 2023; 182:107279. [PMID: 37364397 DOI: 10.1016/j.lungcan.2023.107279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/07/2023] [Accepted: 06/10/2023] [Indexed: 06/28/2023]
Abstract
AIMS The chemotherapy drugs for NSCLC often face the consequences of treatment failure due to acquired drug resistance. Tumor chemotherapy resistance is often accompanied by angiogenesis. Here, we aimed to investigate the effect and underlying mechanisms of ADAM-17 inhibitor ZLDI-8 we found before on angiogenesis and vasculogenic mimicry(VM) in drug-resistant NSCLC. MAIN METHODS The tube formation assay was used to evaluate angiogenesis and VM. Migration and invasion were assessed with transwell assays in the co-culture condition. To explore the underlying mechanisms of how ZLDI-8 inhibited tubes formation, ELISA assay and western blot assay were preformed. The effects of ZLDI-8 on angiogenesis in vivo were investigated in Matrigel plug, CAM and Rat aortic ring assays. KEY FINDINGS In the present study, ZLDI-8 significantly inhibited the tube formation of human umbilical vein endothelial cells (HUVECs) in either normal medium or in tumor supernatants. Furthermore, ZLDI-8 also inhibited VM tubes formation of A549/Taxol cells. In the co-culture assay, the interaction between lung cancer cells and HUVECs promotes increased cell migration and invasion, while ZLDI-8 eliminates this promotion. Moreover, the VEGF secretion were decreased by ZLDI-8 and the expression of Notch1, Dll4, HIF1α and VEGF were inhibited by ZLDI-8. In addition, ZLDI-8 can inhibit blood vessel formation in the Matrigel plug, CAM and Rat aortic ring assays. SIGNIFICANCE ZLDI-8 inhibits angiogenesis and VM in drug-resistant NSCLC through suppressing Notch1-HIF1α-VEGF signaling pathway. This study lays the foundation for the discovery of drugs that inhibit angiogenesis and VM in drug resistant NSCLC.
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Affiliation(s)
- Hongyuan Lu
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang 110122, People's Republic of China.
| | - Cen Wu
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang 110122, People's Republic of China
| | - Xiao-Wen Jiang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Qingchun Zhao
- Department of Pharmacology, School of Pharmacy, China Medical University, Shenyang 110122, People's Republic of China; Department of Pharmacy, General Hospital of Northern Theater Command, Shenyang 110840, People's Republic of China.
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15
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Fernández-Chacón M, Mühleder S, Regano A, Garcia-Ortega L, Rocha SF, Torroja C, Sanchez-Muñoz MS, Lytvyn M, Casquero-Garcia V, De Andrés-Laguillo M, Muhl L, Orlich MM, Gaengel K, Camafeita E, Vázquez J, Benguría A, Iruela-Arispe ML, Dopazo A, Sánchez-Cabo F, Carter H, Benedito R. Incongruence between transcriptional and vascular pathophysiological cell states. NATURE CARDIOVASCULAR RESEARCH 2023; 2:2023530-549. [PMID: 37745941 PMCID: PMC7615119 DOI: 10.1038/s44161-023-00272-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 04/19/2023] [Indexed: 09/26/2023]
Abstract
The Notch pathway is a major regulator of endothelial transcriptional specification. Targeting the Notch receptors or Delta-like ligand 4 (Dll4) dysregulates angiogenesis. Here, by analyzing single and compound genetic mutants for all Notch signaling members, we find significant differences in the way ligands and receptors regulate liver vascular homeostasis. Loss of Notch receptors caused endothelial hypermitogenic cell-cycle arrest and senescence. Conversely, Dll4 loss triggered a strong Myc-driven transcriptional switch inducing endothelial proliferation and the tip-cell state. Myc loss suppressed the induction of angiogenesis in the absence of Dll4, without preventing the vascular enlargement and organ pathology. Similarly, inhibition of other pro-angiogenic pathways, including MAPK/ERK and mTOR, had no effect on the vascular expansion induced by Dll4 loss; however, anti-VEGFA treatment prevented it without fully suppressing the transcriptional and metabolic programs. This study shows incongruence between single-cell transcriptional states, vascular phenotypes and related pathophysiology. Our findings also suggest that the vascular structure abnormalization, rather than neoplasms, causes the reported anti-Dll4 antibody toxicity.
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Affiliation(s)
- Macarena Fernández-Chacón
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
- Faculty of Health Sciences, Universidad Loyola Andalucía, Seville, Spain
| | - Severin Mühleder
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Alvaro Regano
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Lourdes Garcia-Ortega
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Susana F. Rocha
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Carlos Torroja
- Bioinformatics Unit, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Maria S. Sanchez-Muñoz
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Mariya Lytvyn
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Verónica Casquero-Garcia
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Macarena De Andrés-Laguillo
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Lars Muhl
- Department of Medicine, Huddinge, Karolinska Institutet, Huddinge, Sweden
| | - Michael M. Orlich
- Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala, Sweden
| | - Konstantin Gaengel
- Department of Immunology, Genetics and Pathology, Rudbeck Laboratory, Uppsala, Sweden
| | - Emilio Camafeita
- Cardiovascular Proteomics Laboratory, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
- CIBER de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Jesús Vázquez
- Cardiovascular Proteomics Laboratory, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
- CIBER de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Alberto Benguría
- Genomics Unit, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - M. Luisa Iruela-Arispe
- Department of Cell and Development Biology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Ana Dopazo
- CIBER de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
- Genomics Unit, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Fátima Sánchez-Cabo
- Bioinformatics Unit, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
- CIBER de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain
| | - Hannah Carter
- Division of Medical Genetics, Department of Medicine and Moores Cancer Center, University of California San Diego, La Jolla, CA, USA
| | - Rui Benedito
- Molecular Genetics of Angiogenesis Group, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
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16
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Shao L, Paik N, Sanborn M, Bandara T, Vijaykumar A, Sottoriva K, Rehman J, Nombela-Arrieta C, Pajcini K. Hematopoietic Jagged1 is a fetal liver niche factor required for functional maturation and engraftment of fetal hematopoietic stem cells. Proc Natl Acad Sci U S A 2023; 120:e2210058120. [PMID: 37155858 PMCID: PMC10193977 DOI: 10.1073/pnas.2210058120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 04/04/2023] [Indexed: 05/10/2023] Open
Abstract
Notch signaling is essential for the emergence of definitive hematopoietic stem cells (HSCs) in the embryo and their development in the fetal liver niche. However, how Notch signaling is activated and which fetal liver cell type provides the ligand for receptor activation in HSCs is unknown. Here we provide evidence that endothelial Jagged1 (Jag1) has a critical early role in fetal liver vascular development but is not required for hematopoietic function during fetal HSC expansion. We demonstrate that Jag1 is expressed in many hematopoietic cells in the fetal liver, including HSCs, and that its expression is lost in adult bone marrow HSCs. Deletion of hematopoietic Jag1 does not affect fetal liver development; however, Jag1-deficient fetal liver HSCs exhibit a significant transplantation defect. Bulk and single-cell transcriptomic analysis of HSCs during peak expansion in the fetal liver indicates that loss of hematopoietic Jag1 leads to the downregulation of critical hematopoietic factors such as GATA2, Mllt3, and HoxA7, but does not perturb Notch receptor expression. Ex vivo activation of Notch signaling in Jag1-deficient fetal HSCs partially rescues the functional defect in a transplant setting. These findings indicate a new fetal-specific niche that is based on juxtracrine hematopoietic Notch signaling and reveal Jag1 as a fetal-specific niche factor essential for HSC function.
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Affiliation(s)
- Lijian Shao
- Department of Pharmacology and Regenerative Medicine, University of Illinois College of Medicine, Chicago, IL60612
| | - Na Yoon Paik
- Department of Pharmacology and Regenerative Medicine, University of Illinois College of Medicine, Chicago, IL60612
| | - Mark A. Sanborn
- Department of Biochemistry and Molecular Genetics, University of Illinois College of Medicine, Chicago, IL60612
| | - Thilinie Bandara
- Department of Pharmacology and Regenerative Medicine, University of Illinois College of Medicine, Chicago, IL60612
| | - Anjali Vijaykumar
- Department of Medical Oncology and Hematology, University Hospital Zurich, 8091Zurich, Switzerland
| | - Kilian Sottoriva
- Department of Pharmacology and Regenerative Medicine, University of Illinois College of Medicine, Chicago, IL60612
| | - Jalees Rehman
- Department of Biochemistry and Molecular Genetics, University of Illinois College of Medicine, Chicago, IL60612
| | - Cesar Nombela-Arrieta
- Department of Medical Oncology and Hematology, University Hospital Zurich, 8091Zurich, Switzerland
| | - Kostandin V. Pajcini
- Department of Pharmacology and Regenerative Medicine, University of Illinois College of Medicine, Chicago, IL60612
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17
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Goenka A, Khan F, Verma B, Sinha P, Dmello CC, Jogalekar MP, Gangadaran P, Ahn B. Tumor microenvironment signaling and therapeutics in cancer progression. Cancer Commun (Lond) 2023; 43:525-561. [PMID: 37005490 PMCID: PMC10174093 DOI: 10.1002/cac2.12416] [Citation(s) in RCA: 35] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 02/22/2023] [Accepted: 03/20/2023] [Indexed: 04/04/2023] Open
Abstract
Tumor development and metastasis are facilitated by the complex interactions between cancer cells and their microenvironment, which comprises stromal cells and extracellular matrix (ECM) components, among other factors. Stromal cells can adopt new phenotypes to promote tumor cell invasion. A deep understanding of the signaling pathways involved in cell-to-cell and cell-to-ECM interactions is needed to design effective intervention strategies that might interrupt these interactions. In this review, we describe the tumor microenvironment (TME) components and associated therapeutics. We discuss the clinical advances in the prevalent and newly discovered signaling pathways in the TME, the immune checkpoints and immunosuppressive chemokines, and currently used inhibitors targeting these pathways. These include both intrinsic and non-autonomous tumor cell signaling pathways in the TME: protein kinase C (PKC) signaling, Notch, and transforming growth factor (TGF-β) signaling, Endoplasmic Reticulum (ER) stress response, lactate signaling, Metabolic reprogramming, cyclic GMP-AMP synthase (cGAS)-stimulator of interferon genes (STING) and Siglec signaling pathways. We also discuss the recent advances in Programmed Cell Death Protein 1 (PD-1), Cytotoxic T-Lymphocyte Associated Protein 4 (CTLA4), T-cell immunoglobulin mucin-3 (TIM-3) and Lymphocyte Activating Gene 3 (LAG3) immune checkpoint inhibitors along with the C-C chemokine receptor 4 (CCR4)- C-C class chemokines 22 (CCL22)/ and 17 (CCL17), C-C chemokine receptor type 2 (CCR2)- chemokine (C-C motif) ligand 2 (CCL2), C-C chemokine receptor type 5 (CCR5)- chemokine (C-C motif) ligand 3 (CCL3) chemokine signaling axis in the TME. In addition, this review provides a holistic understanding of the TME as we discuss the three-dimensional and microfluidic models of the TME, which are believed to recapitulate the original characteristics of the patient tumor and hence may be used as a platform to study new mechanisms and screen for various anti-cancer therapies. We further discuss the systemic influences of gut microbiota in TME reprogramming and treatment response. Overall, this review provides a comprehensive analysis of the diverse and most critical signaling pathways in the TME, highlighting the associated newest and critical preclinical and clinical studies along with their underlying biology. We highlight the importance of the most recent technologies of microfluidics and lab-on-chip models for TME research and also present an overview of extrinsic factors, such as the inhabitant human microbiome, which have the potential to modulate TME biology and drug responses.
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Affiliation(s)
- Anshika Goenka
- The Ken & Ruth Davee Department of NeurologyThe Robert H. Lurie Comprehensive Cancer CenterNorthwestern University Feinberg School of MedicineChicago, 60611ILUSA
| | - Fatima Khan
- Department of Neurological SurgeryFeinberg School of MedicineNorthwestern UniversityChicago, 60611ILUSA
| | - Bhupender Verma
- Department of OphthalmologySchepens Eye Research InstituteMassachusetts Eye and Ear InfirmaryHarvard Medical SchoolBoston, 02114MAUSA
| | - Priyanka Sinha
- Department of NeurologyMassGeneral Institute for Neurodegenerative DiseaseMassachusetts General Hospital, Harvard Medical SchoolCharlestown, 02129MAUSA
| | - Crismita C. Dmello
- Department of Neurological SurgeryFeinberg School of MedicineNorthwestern UniversityChicago, 60611ILUSA
| | - Manasi P. Jogalekar
- Helen Diller Family Comprehensive Cancer CenterUniversity of California San FranciscoSan Francisco, 94143CAUSA
| | - Prakash Gangadaran
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future TalentsDepartment of Biomedical Science, School of MedicineKyungpook National UniversityDaegu, 41944South Korea
- Department of Nuclear MedicineSchool of Medicine, Kyungpook National University, Kyungpook National University HospitalDaegu, 41944South Korea
| | - Byeong‐Cheol Ahn
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future TalentsDepartment of Biomedical Science, School of MedicineKyungpook National UniversityDaegu, 41944South Korea
- Department of Nuclear MedicineSchool of Medicine, Kyungpook National University, Kyungpook National University HospitalDaegu, 41944South Korea
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18
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Li X, Souilhol C, Canham L, Jia X, Diagbouga M, Ayllon BT, Serbanovic-Canic J, Evans PC. DLL4 promotes partial endothelial-to-mesenchymal transition at atherosclerosis-prone regions of arteries. Vascul Pharmacol 2023; 150:107178. [PMID: 37137436 DOI: 10.1016/j.vph.2023.107178] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/25/2023] [Accepted: 04/26/2023] [Indexed: 05/05/2023]
Abstract
Flowing blood regulates vascular development, homeostasis and disease by generating wall shear stress which has major effects on endothelial cell (EC) physiology. Low oscillatory shear stress (LOSS) induces a form of cell plasticity called endothelial-to-mesenchymal transition (EndMT). This process has divergent effects; in embryos LOSS-induced EndMT drives the development of atrioventricular valves, whereas in adult arteries it is associated with inflammation and atherosclerosis. The Notch ligand DLL4 is essential for LOSS-dependent valve development; here we investigated whether DLL4 is required for responses to LOSS in adult arteries. Analysis of cultured human coronary artery EC revealed that DLL4 regulates the transcriptome to induce markers of EndMT and inflammation under LOSS conditions. Consistently, genetic deletion of Dll4 from murine EC reduced SNAIL (EndMT marker) and VCAM-1 (inflammation marker) at a LOSS region of the murine aorta. We hypothesized that endothelial Dll4 is pro-atherogenic but this analysis was confounded because endothelial Dll4 negatively regulated plasma cholesterol levels in hyperlipidemic mice. We conclude that endothelial DLL4 is required for LOSS-induction of EndMT and inflammation regulators at atheroprone regions of arteries, and is also a regulator of plasma cholesterol.
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Affiliation(s)
- Xiuying Li
- Department of Pharmacy, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, PR China; School of Pharmacy, Southwest Medical University, LuZhou, Sichuan 646000, PR China; Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute, Bateson Centre, University of Sheffield, UK
| | - Celine Souilhol
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute, Bateson Centre, University of Sheffield, UK.
| | - Lindsay Canham
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute, Bateson Centre, University of Sheffield, UK
| | - Xueqi Jia
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute, Bateson Centre, University of Sheffield, UK
| | - Mannekomba Diagbouga
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute, Bateson Centre, University of Sheffield, UK
| | - Blanca Tardajos Ayllon
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute, Bateson Centre, University of Sheffield, UK
| | - Jovana Serbanovic-Canic
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute, Bateson Centre, University of Sheffield, UK
| | - Paul C Evans
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute, Bateson Centre, University of Sheffield, UK; Centre for Biochemical Pharmacology, William Harvey Research Institute, Faculty of Medicine and Dentistry, Barts and The London, Queen Mary University of London Charterhouse Square, London EC1M 6BQ, UK.
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19
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Parab S, Setten E, Astanina E, Bussolino F, Doronzo G. The tissue-specific transcriptional landscape underlines the involvement of endothelial cells in health and disease. Pharmacol Ther 2023; 246:108418. [PMID: 37088448 DOI: 10.1016/j.pharmthera.2023.108418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 03/23/2023] [Accepted: 04/17/2023] [Indexed: 04/25/2023]
Abstract
Endothelial cells (ECs) that line vascular and lymphatic vessels are being increasingly recognized as important to organ function in health and disease. ECs participate not only in the trafficking of gases, metabolites, and cells between the bloodstream and tissues but also in the angiocrine-based induction of heterogeneous parenchymal cells, which are unique to their specific tissue functions. The molecular mechanisms regulating EC heterogeneity between and within different tissues are modeled during embryogenesis and become fully established in adults. Any changes in adult tissue homeostasis induced by aging, stress conditions, and various noxae may reshape EC heterogeneity and induce specific transcriptional features that condition a functional phenotype. Heterogeneity is sustained via specific genetic programs organized through the combinatory effects of a discrete number of transcription factors (TFs) that, at the single tissue-level, constitute dynamic networks that are post-transcriptionally and epigenetically regulated. This review is focused on outlining the TF-based networks involved in EC specialization and physiological and pathological stressors thought to modify their architecture.
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Affiliation(s)
- Sushant Parab
- Department of Oncology, University of Torino, IT, Italy; Candiolo Cancer Institute-IRCCS-FPO, Candiolo, Torino, IT, Italy
| | - Elisa Setten
- Department of Oncology, University of Torino, IT, Italy; Candiolo Cancer Institute-IRCCS-FPO, Candiolo, Torino, IT, Italy
| | - Elena Astanina
- Candiolo Cancer Institute-IRCCS-FPO, Candiolo, Torino, IT, Italy
| | - Federico Bussolino
- Department of Oncology, University of Torino, IT, Italy; Candiolo Cancer Institute-IRCCS-FPO, Candiolo, Torino, IT, Italy.
| | - Gabriella Doronzo
- Department of Oncology, University of Torino, IT, Italy; Candiolo Cancer Institute-IRCCS-FPO, Candiolo, Torino, IT, Italy
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20
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Wang S, Singh M, Yang H, Morrell CN, Mohamad LA, Xu JJ, Nguyen T, Ture S, Tyrell A, Maggirwar SB, Schifitto G, Pang J. Monocyte-derived Dll4 is a novel contributor to persistent systemic inflammation in HIV patients. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.18.537330. [PMID: 37131726 PMCID: PMC10153122 DOI: 10.1101/2023.04.18.537330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Background In people living with HIV (PLWH) on combination antiretroviral therapy (cART), persistent systemic inflammation is a driving force for the progression of comorbidities, such as cardiovascular and cerebrovascular diseases. In this context, monocyte- and macrophage-related inflammation rather than T cell activation is a major cause of chronic inflammation. However, the underlying mechanism of how monocytes cause persistent systemic inflammation in PLWH is elusive. Methods and Results In vitro, we demonstrated that lipopolysaccharides (LPS) or tumor necrosis factor alpha (TNFα), induced a robust increase of Delta-like ligand 4 (Dll4) mRNA and protein expression in human monocytes and Dll4 secretion (extracellular Dll4, exDll4) from monocytes. Enhanced membrane-bound Dll4 (mDll4) expression in monocytes triggered Notch1 activation to promote pro-inflammatory factors expression. Dll4 silencing and inhibition of Nocth1 activation diminished the LPS or TNFα -induced inflammation. exDll4 releases in response to cytokines occurred in monocytes but not endothelial cells or T cells. In clinical specimens, we found that PLWH, both male and female, on cART, showed a significant increase in mDll4 expression, activation of Dll4-Notch1 signaling, and inflammatory markers in monocytes. Although there was no sex effect on mDII4 in PLWH, plasma exDll4 was significantly elevated in males but not females compared to HIV uninfected individuals. Furthermore, exDll4 plasma levels paralleled with monocytes mDll4 in male PLWH. Circulating exDll4 was also positively associated with pro-inflammatory monocytes phenotype and negatively associated with classic monocytes phenotype in male PLWH. Conclusion Pro-inflammatory stimuli increase Dll4 expression and Dll4-Notch1 signaling activation in monocytes and enhance monocyte proinflammatory phenotype, contributing to persistent systemic inflammation in male and female PLWH. Therefore, monocyte mDll4 could be a potential biomarker and therapeutic target of systemic inflammation. Plasma exDll4 may also play an additional role in systemic inflammation but primarily in men.
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21
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Hasan SS, Fischer A. Notch Signaling in the Vasculature: Angiogenesis and Angiocrine Functions. Cold Spring Harb Perspect Med 2023; 13:cshperspect.a041166. [PMID: 35667708 PMCID: PMC9899647 DOI: 10.1101/cshperspect.a041166] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Formation of a functional blood vessel network is a complex process tightly controlled by pro- and antiangiogenic signals released within the local microenvironment or delivered through the bloodstream. Endothelial cells precisely integrate such temporal and spatial changes in extracellular signals and generate an orchestrated response by modulating signaling transduction, gene expression, and metabolism. A key regulator in vessel formation is Notch signaling, which controls endothelial cell specification, proliferation, migration, adhesion, and arteriovenous differentiation. This review summarizes the molecular biology of endothelial Notch signaling and how it controls angiogenesis and maintenance of the established, quiescent vasculature. In addition, recent progress in the understanding of Notch signaling in endothelial cells for controlling organ homeostasis by transcriptional regulation of angiocrine factors and its relevance to disease will be discussed.
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Affiliation(s)
- Sana S Hasan
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Andreas Fischer
- Division Vascular Signaling and Cancer, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany.,Institute for Clinical Chemistry, University Medical Center Göttingen, 37075 Göttingen, Germany.,European Center for Angioscience (ECAS), Medical Faculty Mannheim, University of Heidelberg, 68167 Mannheim, Germany
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22
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Drapé E, Anquetil T, Larrivée B, Dubrac A. Brain arteriovenous malformation in hereditary hemorrhagic telangiectasia: Recent advances in cellular and molecular mechanisms. Front Hum Neurosci 2022; 16:1006115. [PMID: 36504622 PMCID: PMC9729275 DOI: 10.3389/fnhum.2022.1006115] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 10/27/2022] [Indexed: 11/25/2022] Open
Abstract
Hereditary hemorrhagic telangiectasia (HHT) is a genetic disorder characterized by vessel dilatation, such as telangiectasia in skin and mucosa and arteriovenous malformations (AVM) in internal organs such as the gastrointestinal tract, lungs, and brain. AVMs are fragile and tortuous vascular anomalies that directly connect arteries and veins, bypassing healthy capillaries. Mutations in transforming growth factor β (TGFβ) signaling pathway components, such as ENG (ENDOGLIN), ACVRL1 (ALK1), and SMAD4 (SMAD4) genes, account for most of HHT cases. 10-20% of HHT patients develop brain AVMs (bAVMs), which can lead to vessel wall rupture and intracranial hemorrhages. Though the main mutations are known, mechanisms leading to AVM formation are unclear, partially due to lack of animal models. Recent mouse models allowed significant advances in our understanding of AVMs. Endothelial-specific deletion of either Acvrl1, Eng or Smad4 is sufficient to induce AVMs, identifying endothelial cells (ECs) as primary targets of BMP signaling to promote vascular integrity. Loss of ALK1/ENG/SMAD4 signaling is associated with NOTCH signaling defects and abnormal arteriovenous EC differentiation. Moreover, cumulative evidence suggests that AVMs originate from venous ECs with defective flow-migration coupling and excessive proliferation. Mutant ECs show an increase of PI3K/AKT signaling and inhibitors of this signaling pathway rescue AVMs in HHT mouse models, revealing new therapeutic avenues. In this review, we will summarize recent advances and current knowledge of mechanisms controlling the pathogenesis of bAVMs, and discuss unresolved questions.
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Affiliation(s)
- Elise Drapé
- Centre de Recherche, CHU St. Justine, Montréal, QC, Canada,Département de Pharmacologie et de Physiologie, Université de Montréal, Montréal, QC, Canada
| | - Typhaine Anquetil
- Centre de Recherche, CHU St. Justine, Montréal, QC, Canada,Département De Pathologie et Biologie Cellulaire, Université de Montréal, Montréal, QC, Canada
| | - Bruno Larrivée
- Département d’Ophtalmologie, Université de Montréal, Montréal, QC, Canada,Centre De Recherche, Hôpital Maisonneuve-Rosemont, Montréal, QC, Canada,*Correspondence: Bruno Larrivée,
| | - Alexandre Dubrac
- Centre de Recherche, CHU St. Justine, Montréal, QC, Canada,Département De Pathologie et Biologie Cellulaire, Université de Montréal, Montréal, QC, Canada,Département d’Ophtalmologie, Université de Montréal, Montréal, QC, Canada,Alexandre Dubrac,
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23
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Endothelial-Specific Molecule 1 Inhibition Lessens Productive Angiogenesis and Tumor Metastasis to Overcome Bevacizumab Resistance. Cancers (Basel) 2022; 14:cancers14225681. [PMID: 36428773 PMCID: PMC9688485 DOI: 10.3390/cancers14225681] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/07/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022] Open
Abstract
The development of drug resistance in malignant tumors leads to disease progression, creating a bottleneck in treatment. Bevacizumab is widely used clinically, and acts by inhibiting angiogenesis to "starve" tumors. Continuous treatment can readily induce rebound proliferation of tumor blood vessels, leading to drug resistance. Previously, we found that the fragment crystallizable (Fc) region of bevacizumab cooperates with the Toll-like receptor-4 (TLR4) ligand to induce M2b polarization in macrophages and secrete tumor necrosis factor-α (TNFα), which promotes immunosuppression, tumor metastasis, and angiogenesis. However, the downstream mechanism underlying TNFα-mediated bevacizumab resistance requires further investigation. Our RNA-Seq analysis results revealed that the expression of endothelial cell specific molecule-1 (ESM1) increased significantly in drug-resistant tumors and promoted metastasis and angiogenesis in vitro and in vivo. Furthermore, TNFα induced the upregulation of ESM1, which promotes metastasis and angiogenesis and regulates matrix metalloprotease-9 (MMP9), vascular endothelial growth factor (VEGF), and delta-like ligand-4 molecules (DLL4). Accordingly, the curative effect of bevacizumab improved by neutralizing ESM1 with high-affinity anti-ESM1 monoclonal antibody 1-2B7 in bevacizumab-resistant mice. This study provides important insights regarding the molecular mechanism by which TNFα-induced ESM1 expression promotes angiogenesis, which is significant for elucidating the mechanism of bevacizumab drug resistance and possibly identifying appropriate biosimilar molecules.
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24
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De Zoysa P, Toubat O, Harvey DC, Yi C, Liu J, Cavallero S, Hong YK, Sucov HM, Kumar SR. Delta-like ligand-4 regulates Notch-mediated maturation of second heart field progenitor-derived pharyngeal arterial endothelial cells. J Cell Mol Med 2022; 26:5181-5194. [PMID: 36082581 PMCID: PMC9575135 DOI: 10.1111/jcmm.17542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/02/2022] [Accepted: 08/22/2022] [Indexed: 11/27/2022] Open
Abstract
Mesodermal progenitors in the second heart field (SHF) express Delta‐like‐ligand 4 (Dll4) that regulates Notch‐mediated proliferation. As cells of SHF lineage mature to assume endocardial and myocardial cell fates, we have shown that Dll4 expression is lost, and the subsequent expression of another Notch ligand Jagged1 regulates Notch‐mediated maturation events in the developing heart. A subset of SHF progenitors also matures to form the pharyngeal arch artery (PAA) endothelium. Dll4 was originally identified as an arterial endothelial‐specific Notch ligand that plays an important role in blood vessel maturation, but its role in aortic arch maturation has not been studied to date secondary to the early lethality observed in Dll4 knockout mice. We show that, unlike in SHF‐derived endocardium and myocardium, Dll4 expression persists in SHF‐derived arterial endothelial cells. Using SHF‐specific conditional deletion of Dll4, we demonstrate that as SHF cells transition from their progenitor state to an endothelial fate, Dll4‐mediated Notch signalling switches from providing proliferative to maturation cues. Dll4 expression maintains arterial identity in the PAAs and plays a critical role in the maturation and re‐organization of the 4th pharyngeal arch artery, in particular. Haploinsufficiency of Dll4 in SHF leads to highly penetrant aortic arch artery abnormalities, similar to those observed in the clinic, primarily resulting from aberrant reorganization of bilateral 4th pharyngeal arch arteries. Hence, we show that cells of SHF lineage that assume an arterial endothelial fate continue to express Dll4 and the resulting Dll4‐mediated Notch signalling transitions from an early proliferative to a later maturation role during aortic arch development.
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Affiliation(s)
- Prashan De Zoysa
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Omar Toubat
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Drayton C Harvey
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Christopher Yi
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Jiang Liu
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Susana Cavallero
- Division of Cardiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, USA
| | - Young-Kwon Hong
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Henry M Sucov
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Subramanyan Ram Kumar
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA.,Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
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25
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Souilhol C, Tardajos Ayllon B, Li X, Diagbouga MR, Zhou Z, Canham L, Roddie H, Pirri D, Chambers EV, Dunning MJ, Ariaans M, Li J, Fang Y, Jørgensen HF, Simons M, Krams R, Waltenberger J, Fragiadaki M, Ridger V, De Val S, Francis SE, Chico TJA, Serbanovic-Canic J, Evans PC. JAG1-NOTCH4 mechanosensing drives atherosclerosis. SCIENCE ADVANCES 2022; 8:eabo7958. [PMID: 36044575 PMCID: PMC9432841 DOI: 10.1126/sciadv.abo7958] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 07/15/2022] [Indexed: 06/15/2023]
Abstract
Endothelial cell (EC) sensing of disturbed blood flow triggers atherosclerosis, a disease of arteries that causes heart attack and stroke, through poorly defined mechanisms. The Notch pathway plays a central role in blood vessel growth and homeostasis, but its potential role in sensing of disturbed flow has not been previously studied. Here, we show using porcine and murine arteries and cultured human coronary artery EC that disturbed flow activates the JAG1-NOTCH4 signaling pathway. Light-sheet imaging revealed enrichment of JAG1 and NOTCH4 in EC of atherosclerotic plaques, and EC-specific genetic deletion of Jag1 (Jag1ECKO) demonstrated that Jag1 promotes atherosclerosis at sites of disturbed flow. Mechanistically, single-cell RNA sequencing in Jag1ECKO mice demonstrated that Jag1 suppresses subsets of ECs that proliferate and migrate. We conclude that JAG1-NOTCH4 sensing of disturbed flow enhances atherosclerosis susceptibility by regulating EC heterogeneity and that therapeutic targeting of this pathway may treat atherosclerosis.
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Affiliation(s)
- Celine Souilhol
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
- Biomolecular Sciences Research Centre, Sheffield Hallam University, Sheffield, UK
| | - Blanca Tardajos Ayllon
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Xiuying Li
- School of Pharmacy, Southwest Medical University, LuZhou, Sichuan 646000, P.R. China
| | - Mannekomba R. Diagbouga
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Ziqi Zhou
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Lindsay Canham
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Hannah Roddie
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Daniela Pirri
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Emily V. Chambers
- Sheffield Bioinformatics Core, Sheffield Institute of Translational Neuroscience, University of Sheffield, Sheffield, UK
| | - Mark J. Dunning
- Sheffield Bioinformatics Core, Sheffield Institute of Translational Neuroscience, University of Sheffield, Sheffield, UK
| | - Mark Ariaans
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Jin Li
- Biological Sciences Division, Department of Medicine, University of Chicago, Chicago, IL, USA
| | - Yun Fang
- Biological Sciences Division, Department of Medicine, University of Chicago, Chicago, IL, USA
| | - Helle F. Jørgensen
- Division of Cardiovascular Medicine, University of Cambridge, Addenbrooke’s Centre for Clinical Investigation, Addenbrooke’s Hospital, Cambridge, UK
| | - Michael Simons
- Department of Internal Medicine, Yale Cardiovascular Research Center, New Haven, CT, USA
| | - Rob Krams
- Department of Bioengineering, Queen Mary University of London, London, UK
| | - Johannes Waltenberger
- Department of Cardiovascular Medicine, Medical Faculty, University of Münster, Münster, Germany
- Hirslanden Klinik im Park, Cardiovascular Medicine, Diagnostic and Therapeutic Heart Center AG, 8002 Zürich, Switzerland
| | - Maria Fragiadaki
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Victoria Ridger
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Sarah De Val
- BHF Centre of Regenerative Medicine, Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK
- Ludwig Institute for Cancer Research Ltd, Nuffield Department of Medicine, University of Oxford, Oxford OX3 7DQ, UK
| | - Sheila E. Francis
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Timothy JA Chico
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Jovana Serbanovic-Canic
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
| | - Paul C. Evans
- Department of Infection, Immunity and Cardiovascular Disease, INSIGNEO Institute for In Silico Medicine, and the Bateson Centre, University of Sheffield, Sheffield, UK
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26
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Ang LT, Nguyen AT, Liu KJ, Chen A, Xiong X, Curtis M, Martin RM, Raftry BC, Ng CY, Vogel U, Lander A, Lesch BJ, Fowler JL, Holman AR, Chai T, Vijayakumar S, Suchy FP, Nishimura T, Bhadury J, Porteus MH, Nakauchi H, Cheung C, George SC, Red-Horse K, Prescott JB, Loh KM. Generating human artery and vein cells from pluripotent stem cells highlights the arterial tropism of Nipah and Hendra viruses. Cell 2022; 185:2523-2541.e30. [PMID: 35738284 DOI: 10.1016/j.cell.2022.05.024] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 03/26/2022] [Accepted: 05/26/2022] [Indexed: 02/07/2023]
Abstract
Stem cell research endeavors to generate specific subtypes of classically defined "cell types." Here, we generate >90% pure human artery or vein endothelial cells from pluripotent stem cells within 3-4 days. We specified artery cells by inhibiting vein-specifying signals and vice versa. These cells modeled viral infection of human vasculature by Nipah and Hendra viruses, which are extraordinarily deadly (∼57%-59% fatality rate) and require biosafety-level-4 containment. Generating pure populations of artery and vein cells highlighted that Nipah and Hendra viruses preferentially infected arteries; arteries expressed higher levels of their viral-entry receptor. Virally infected artery cells fused into syncytia containing up to 23 nuclei, which rapidly died. Despite infecting arteries and occupying ∼6%-17% of their transcriptome, Nipah and Hendra largely eluded innate immune detection, minimally eliciting interferon signaling. We thus efficiently generate artery and vein cells, introduce stem-cell-based toolkits for biosafety-level-4 virology, and explore the arterial tropism and cellular effects of Nipah and Hendra viruses.
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Affiliation(s)
- Lay Teng Ang
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA.
| | - Alana T Nguyen
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Developmental Biology, Stanford Cardiovascular Institute, Stanford University, Stanford, CA 94305, USA
| | - Kevin J Liu
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA
| | - Angela Chen
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Developmental Biology, Stanford Cardiovascular Institute, Stanford University, Stanford, CA 94305, USA
| | - Xiaochen Xiong
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Developmental Biology, Stanford Cardiovascular Institute, Stanford University, Stanford, CA 94305, USA
| | - Matthew Curtis
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616, USA
| | - Renata M Martin
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Pediatrics, Stanford University, Stanford, CA 94305, USA
| | - Brian C Raftry
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Biology, Stanford University, Stanford, CA 94305, USA; Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, USA
| | - Chun Yi Ng
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore
| | - Uwe Vogel
- Center for Biological Threats and Special Pathogens, Robert Koch Institute, Berlin 13353, Germany
| | - Angelika Lander
- Center for Biological Threats and Special Pathogens, Robert Koch Institute, Berlin 13353, Germany
| | - Benjamin J Lesch
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Pediatrics, Stanford University, Stanford, CA 94305, USA
| | - Jonas L Fowler
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Developmental Biology, Stanford Cardiovascular Institute, Stanford University, Stanford, CA 94305, USA
| | - Alyssa R Holman
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Developmental Biology, Stanford Cardiovascular Institute, Stanford University, Stanford, CA 94305, USA
| | - Timothy Chai
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Developmental Biology, Stanford Cardiovascular Institute, Stanford University, Stanford, CA 94305, USA
| | - Siva Vijayakumar
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Developmental Biology, Stanford Cardiovascular Institute, Stanford University, Stanford, CA 94305, USA
| | - Fabian P Suchy
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Genetics, Stanford University, Stanford, CA 94305, USA
| | - Toshinobu Nishimura
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Genetics, Stanford University, Stanford, CA 94305, USA
| | - Joydeep Bhadury
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Genetics, Stanford University, Stanford, CA 94305, USA
| | - Matthew H Porteus
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Pediatrics, Stanford University, Stanford, CA 94305, USA
| | - Hiromitsu Nakauchi
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Genetics, Stanford University, Stanford, CA 94305, USA
| | - Christine Cheung
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore; Institute of Molecular and Cell Biology, A(∗)STAR, Singapore 138673, Singapore
| | - Steven C George
- Department of Biomedical Engineering, University of California, Davis, Davis, CA 95616, USA
| | - Kristy Red-Horse
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Biology, Stanford University, Stanford, CA 94305, USA; Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, USA
| | - Joseph B Prescott
- Center for Biological Threats and Special Pathogens, Robert Koch Institute, Berlin 13353, Germany.
| | - Kyle M Loh
- Stanford Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Developmental Biology, Stanford Cardiovascular Institute, Stanford University, Stanford, CA 94305, USA.
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27
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Katreddi RR, Taroc EZM, Hicks SM, Lin JM, Liu S, Xiang M, Forni PE. Notch signaling determines cell-fate specification of the two main types of vomeronasal neurons of rodents. Development 2022; 149:dev200448. [PMID: 35781337 PMCID: PMC9340558 DOI: 10.1242/dev.200448] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 06/15/2022] [Indexed: 01/09/2023]
Abstract
The ability of terrestrial vertebrates to find food and mating partners, and to avoid predators, relies on the detection of chemosensory information. Semiochemicals responsible for social and sexual behaviors are detected by chemosensory neurons of the vomeronasal organ (VNO), which transmits information to the accessory olfactory bulb. The vomeronasal sensory epithelium of most mammalian species contains a uniform vomeronasal system; however, rodents and marsupials have developed a more complex binary vomeronasal system, containing vomeronasal sensory neurons (VSNs) expressing receptors of either the V1R or V2R family. In rodents, V1R/apical and V2R/basal VSNs originate from a common pool of progenitors. Using single cell RNA-sequencing, we identified differential expression of Notch1 receptor and Dll4 ligand between the neuronal precursors at the VSN differentiation dichotomy. Our experiments show that Notch signaling is required for effective differentiation of V2R/basal VSNs. In fact, Notch1 loss of function in neuronal progenitors diverts them to the V1R/apical fate, whereas Notch1 gain of function redirects precursors to V2R/basal. Our results indicate that Notch signaling plays a pivotal role in triggering the binary differentiation dichotomy in the VNO of rodents.
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Affiliation(s)
- Raghu Ram Katreddi
- Department of Biological Sciences, University at Albany, State University of New York, Albany, NY 12222, USA
- The RNA Institute, University at Albany, State University of New York, Albany, NY 12222, USA
- The Center for Neuroscience Research, University at Albany, State University of New York, Albany, NY 12222, USA
| | - Ed Zandro M. Taroc
- Department of Biological Sciences, University at Albany, State University of New York, Albany, NY 12222, USA
- The RNA Institute, University at Albany, State University of New York, Albany, NY 12222, USA
- The Center for Neuroscience Research, University at Albany, State University of New York, Albany, NY 12222, USA
| | - Sawyer M. Hicks
- Department of Biological Sciences, University at Albany, State University of New York, Albany, NY 12222, USA
- The RNA Institute, University at Albany, State University of New York, Albany, NY 12222, USA
| | - Jennifer M. Lin
- Department of Biological Sciences, University at Albany, State University of New York, Albany, NY 12222, USA
- The RNA Institute, University at Albany, State University of New York, Albany, NY 12222, USA
- The Center for Neuroscience Research, University at Albany, State University of New York, Albany, NY 12222, USA
| | - Shuting Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - Mengqing Xiang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
| | - Paolo E. Forni
- Department of Biological Sciences, University at Albany, State University of New York, Albany, NY 12222, USA
- The RNA Institute, University at Albany, State University of New York, Albany, NY 12222, USA
- The Center for Neuroscience Research, University at Albany, State University of New York, Albany, NY 12222, USA
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28
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Sharma D, Bisen S, Kaur G, Van Buren EC, Rao GN, Singh NK. IL-33 enhances Jagged1 mediated NOTCH1 intracellular domain (NICD) deubiquitination and pathological angiogenesis in proliferative retinopathy. Commun Biol 2022; 5:479. [PMID: 35589941 PMCID: PMC9120174 DOI: 10.1038/s42003-022-03432-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 04/29/2022] [Indexed: 01/10/2023] Open
Abstract
Pathological retinal neovascularization (NV) is a clinical manifestation of various proliferative retinopathies, and treatment of NV using anti-VEGF therapies is not selective, as it also impairs normal retinal vascular growth and function. Here, we show that genetic deletion or siRNA-mediated downregulation of IL-33 reduces pathological NV in a murine model of oxygen-induced retinopathy (OIR) with no effect on the normal retinal repair. Furthermore, our fluorescent activated cell sorting (FACS) data reveals that the increase in IL-33 expression is in endothelial cells (ECs) of the hypoxic retina and conditional genetic deletion of IL-33 in retinal ECs reduces pathological NV. In vitro studies using human retinal microvascular endothelial cells (HRMVECs) show that IL-33 induces sprouting angiogenesis and requires NFkappaB-mediated Jagged1 expression and Notch1 activation. Our data also suggest that IL-33 enhances de-ubiquitination and stabilization of Notch1 intracellular domain via its interaction with BRCA1-associated protein 1 (BAP1) and Numb in HRMVECs and a murine model of OIR.
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Affiliation(s)
- Deepti Sharma
- Integrative Biosciences Center, Wayne State University, Detroit, MI, 48202, USA
- Department of Ophthalmology, Visual and Anatomical Sciences, Wayne State University School of Medicine, Detroit, MI, 48202, USA
| | - Shivantika Bisen
- Integrative Biosciences Center, Wayne State University, Detroit, MI, 48202, USA
- Department of Ophthalmology, Visual and Anatomical Sciences, Wayne State University School of Medicine, Detroit, MI, 48202, USA
| | - Geetika Kaur
- Integrative Biosciences Center, Wayne State University, Detroit, MI, 48202, USA
- Department of Ophthalmology, Visual and Anatomical Sciences, Wayne State University School of Medicine, Detroit, MI, 48202, USA
| | - Eric C Van Buren
- Department of Oncology, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - Gadiparthi N Rao
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN, 38163, USA
| | - Nikhlesh K Singh
- Integrative Biosciences Center, Wayne State University, Detroit, MI, 48202, USA.
- Department of Ophthalmology, Visual and Anatomical Sciences, Wayne State University School of Medicine, Detroit, MI, 48202, USA.
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29
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O'Hare M, Arboleda-Velasquez JF. Notch Signaling in Vascular Endothelial and Mural Cell Communications. Cold Spring Harb Perspect Med 2022; 12:a041159. [PMID: 35534207 PMCID: PMC9435572 DOI: 10.1101/cshperspect.a041159] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The Notch signaling pathway is a highly versatile and evolutionarily conserved mechanism with an important role in cell fate determination. Notch signaling plays a vital role in vascular development, regulating several fundamental processes such as angiogenesis, arterial/venous differentiation, and mural cell investment. Aberrant Notch signaling can result in severe vascular phenotypes as observed in cerebral autosomal-dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) and Alagille syndrome. It is known that vascular endothelial cells and mural cells interact to regulate vessel formation, cell maturation, and stability of the vascular network. Defective endothelial-mural cell interactions are a common phenotype in diseases characterized by impaired vascular integrity. Further refinement of the role of Notch signaling in the vascular junctions will be critical to attempts to modulate Notch in the context of human vascular disease. In this review, we aim to consolidate and summarize our current understanding of Notch signaling in the vascular endothelial and mural cells during development and in the adult vasculature.
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Affiliation(s)
- Michael O'Hare
- Department of Ophthalmology at Harvard Medical School, Schepens Eye Research Institute of Mass Eye and Ear, Boston, Massachusetts 02114, USA
| | - Joseph F Arboleda-Velasquez
- Department of Ophthalmology at Harvard Medical School, Schepens Eye Research Institute of Mass Eye and Ear, Boston, Massachusetts 02114, USA
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30
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Enriquez AB, Sia JK, Dkhar HK, Goh SL, Quezada M, Stallings KL, Rengarajan J. Mycobacterium tuberculosis impedes CD40-dependent notch signaling to restrict Th17 polarization during infection. iScience 2022; 25:104305. [PMID: 35586066 PMCID: PMC9108765 DOI: 10.1016/j.isci.2022.104305] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 03/28/2022] [Accepted: 04/21/2022] [Indexed: 11/19/2022] Open
Abstract
Early Th17 responses are necessary to provide protection against Mycobacterium tuberculosis (Mtb). Mtb impedes Th17 polarization by restricting CD40 co-stimulatory pathway on dendritic cells (DCs). We previously demonstrated that engaging CD40 on DCs increased Th17 responses. However, the molecular mechanisms that contributed to Th17 polarization were unknown. Here, we identify the Notch ligand DLL4 as necessary for Th17 polarization and demonstrate that Mtb limits DLL4 on DCs to prevent optimal Th17 responses. Although Mtb infection induced only low levels of DLL4, engaging CD40 on DCs increased DLL4 expression. Antibody blockade of DLL4 on DCs reduced Th17 polarization in vitro and in vivo. In addition, we show that the Mtb Hip1 protease attenuates DLL4 expression on lung DCs by impeding CD40 signaling. Overall, our results demonstrate that Mtb impedes CD40-dependent DLL4 expression to restrict Th17 responses and identify the CD40-DLL4 pathways as targets for developing new Th17-inducing vaccines and adjuvants for tuberculosis. Mtb restricts Th17 responses by impairing CD40 signaling on dendritic cells Engaging CD40 on DCs increases Notch ligand Dll4 transcript and surface expression DLL4 is necessary for polarizing Th17 and multifunctional T cells in the lungs of mice Mtb impairs CD40/DLL4 pathway through the Hip1 serine protease immune evasion protein
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Affiliation(s)
- Ana Beatriz Enriquez
- Emory Vaccine Center, Yerkes National Primate Research Center, Emory University, Atlanta, GA 30329, USA
| | - Jonathan Kevin Sia
- Emory Vaccine Center, Yerkes National Primate Research Center, Emory University, Atlanta, GA 30329, USA
- Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Hedwin Kitdorlang Dkhar
- Emory Vaccine Center, Yerkes National Primate Research Center, Emory University, Atlanta, GA 30329, USA
| | - Shu Ling Goh
- Emory Vaccine Center, Yerkes National Primate Research Center, Emory University, Atlanta, GA 30329, USA
| | - Melanie Quezada
- Emory Vaccine Center, Yerkes National Primate Research Center, Emory University, Atlanta, GA 30329, USA
| | | | - Jyothi Rengarajan
- Emory Vaccine Center, Yerkes National Primate Research Center, Emory University, Atlanta, GA 30329, USA
- Department of Medicine, Division of Infectious Diseases, Emory University School of Medicine, Atlanta, GA 30322, USA
- Corresponding author
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31
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Fleig S, Kapanadze T, Bernier-Latmani J, Lill JK, Wyss T, Gamrekelashvili J, Kijas D, Liu B, Hüsing AM, Bovay E, Jirmo AC, Halle S, Ricke-Hoch M, Adams RH, Engel DR, von Vietinghoff S, Förster R, Hilfiker-Kleiner D, Haller H, Petrova TV, Limbourg FP. Loss of vascular endothelial notch signaling promotes spontaneous formation of tertiary lymphoid structures. Nat Commun 2022; 13:2022. [PMID: 35440634 PMCID: PMC9018798 DOI: 10.1038/s41467-022-29701-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 03/21/2022] [Indexed: 12/20/2022] Open
Abstract
Tertiary lymphoid structures (TLS) are lymph node-like immune cell clusters that emerge during chronic inflammation in non-lymphoid organs like the kidney, but their origin remains not well understood. Here we show, using conditional deletion strategies of the canonical Notch signaling mediator Rbpj, that loss of endothelial Notch signaling in adult mice induces the spontaneous formation of bona fide TLS in the kidney, liver and lung, based on molecular, cellular and structural criteria. These TLS form in a stereotypical manner around parenchymal arteries, while secondary lymphoid structures remained largely unchanged. This effect is mediated by endothelium of blood vessels, but not lymphatics, since a lymphatic endothelial-specific targeting strategy did not result in TLS formation, and involves loss of arterial specification and concomitant acquisition of a high endothelial cell phenotype, as shown by transcriptional analysis of kidney endothelial cells. This indicates a so far unrecognized role for vascular endothelial cells and Notch signaling in TLS initiation. Loss of canonical Notch signaling in vascular endothelial cells induces spontaneous formation of proto-typical tertiary lymphoid structures in mouse kidney, liver and lungs, which form around central arteries that acquire a high endothelial cell signature
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Affiliation(s)
- Susanne Fleig
- Vascular Medicine Research, Hannover Medical School, 30625, Hannover, Germany.,Department of Nephrology and Hypertension, Hannover Medical School, 30625, Hannover, Germany.,Department of Geriatric Medicine (Medical Clinic VI), RWTH Aachen University Hospital, 52074, Aachen, Germany
| | - Tamar Kapanadze
- Vascular Medicine Research, Hannover Medical School, 30625, Hannover, Germany.,Department of Nephrology and Hypertension, Hannover Medical School, 30625, Hannover, Germany
| | - Jeremiah Bernier-Latmani
- Vascular and Tumor Biology Laboratory, Department of Oncology UNIL CHUV and Ludwig Institute for Cancer Research, Lausanne, Switzerland
| | - Julia K Lill
- Department of Immunodynamics, Institute for Experimental Immunology and Imaging, Medical Research Centre, University Hospital Essen, 45147, Essen, Germany
| | - Tania Wyss
- Vascular and Tumor Biology Laboratory, Department of Oncology UNIL CHUV and Ludwig Institute for Cancer Research, Lausanne, Switzerland.,SIB Swiss Institute of Bioinformatics, Lausanne, 1015, Switzerland
| | - Jaba Gamrekelashvili
- Vascular Medicine Research, Hannover Medical School, 30625, Hannover, Germany.,Department of Nephrology and Hypertension, Hannover Medical School, 30625, Hannover, Germany
| | - Dustin Kijas
- Vascular Medicine Research, Hannover Medical School, 30625, Hannover, Germany.,Department of Nephrology and Hypertension, Hannover Medical School, 30625, Hannover, Germany
| | - Bin Liu
- Hannover Medical School, Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany
| | - Anne M Hüsing
- Department of Nephrology and Hypertension, Hannover Medical School, 30625, Hannover, Germany
| | - Esther Bovay
- Max-Planck-Institute for Molecular Biomedicine, 48149, Muenster, Germany
| | - Adan Chari Jirmo
- Hannover Medical School, Biomedical Research in Endstage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Hannover, Germany.,Department of Pediatric Pneumology, Allergology and Neonatology, Hannover Medical School, Hannover, Germany
| | - Stephan Halle
- Institute of Immunology, Hannover Medical School, 30625, Hannover, Germany
| | - Melanie Ricke-Hoch
- Department of Cardiology and Angiology, Hannover Medical School, 30625, Hannover, Germany
| | - Ralf H Adams
- Max-Planck-Institute for Molecular Biomedicine, 48149, Muenster, Germany
| | - Daniel R Engel
- Department of Immunodynamics, Institute for Experimental Immunology and Imaging, Medical Research Centre, University Hospital Essen, 45147, Essen, Germany
| | - Sibylle von Vietinghoff
- Department of Nephrology and Hypertension, Hannover Medical School, 30625, Hannover, Germany.,Division of Medicine I, Nephrology section, UKB Bonn University Hospital, Bonn, Germany
| | - Reinhold Förster
- Institute of Immunology, Hannover Medical School, 30625, Hannover, Germany
| | - Denise Hilfiker-Kleiner
- Department of Cardiology and Angiology, Hannover Medical School, 30625, Hannover, Germany.,Department of Cardiovascular Complications of Oncologic Therapies, Medical Faculty of the Philipps University Marburg, 35037, Marburg, Germany
| | - Hermann Haller
- Department of Nephrology and Hypertension, Hannover Medical School, 30625, Hannover, Germany
| | - Tatiana V Petrova
- Vascular and Tumor Biology Laboratory, Department of Oncology UNIL CHUV and Ludwig Institute for Cancer Research, Lausanne, Switzerland
| | - Florian P Limbourg
- Vascular Medicine Research, Hannover Medical School, 30625, Hannover, Germany. .,Department of Nephrology and Hypertension, Hannover Medical School, 30625, Hannover, Germany.
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32
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Endothelial Cell Metabolism in Vascular Functions. Cancers (Basel) 2022; 14:cancers14081929. [PMID: 35454836 PMCID: PMC9031281 DOI: 10.3390/cancers14081929] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 04/05/2022] [Accepted: 04/06/2022] [Indexed: 02/04/2023] Open
Abstract
Simple Summary Recent findings in the field of vascular biology are nourishing the idea that targeting the endothelial cell metabolism may be an alternative strategy to antiangiogenic therapy, as well as a novel therapeutic approach for cardiovascular disease. Deepening the molecular mechanisms regulating how ECs re-adapt their metabolic status in response to the changeable conditions of the tissue microenvironment may be beneficial to develop novel innovative treatments to counteract the aberrant growth of vasculature. Abstract The endothelium is the innermost layer of all blood and lymphatic vessels composed of a monolayer of specialized endothelial cells (ECs). It is regarded as a dynamic and multifunctional endocrine organ that takes part in essential processes, such as the control of blood fluidity, the modulation of vascular tone, the regulation of immune response and leukocyte trafficking into perivascular tissues, and angiogenesis. The inability of ECs to perform their normal biological functions, known as endothelial dysfunction, is multi-factorial; for instance, it implicates the failure of ECs to support the normal antithrombotic and anti-inflammatory status, resulting in the onset of unfavorable cardiovascular conditions such as atherosclerosis, coronary artery disease, hypertension, heart problems, and other vascular pathologies. Notably, it is emerging that the ability of ECs to adapt their metabolic status to persistent changes of the tissue microenvironment could be vital for the maintenance of vascular functions and to prevent adverse vascular events. The main purpose of the present article is to shed light on the unique metabolic plasticity of ECs as a prospective therapeutic target; this may lead to the development of novel strategies for cardiovascular diseases and cancer.
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33
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Li-Villarreal N, Wong RLY, Garcia MD, Udan RS, Poché RA, Rasmussen TL, Rhyner AM, Wythe JD, Dickinson ME. FOXO1 represses sprouty 2 and sprouty 4 expression to promote arterial specification and vascular remodeling in the mouse yolk sac. Development 2022; 149:274922. [PMID: 35297995 PMCID: PMC8995087 DOI: 10.1242/dev.200131] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 03/04/2022] [Indexed: 11/20/2022]
Abstract
ABSTRACT
Establishing a functional circulatory system is required for post-implantation development during murine embryogenesis. Previous studies in loss-of-function mouse models showed that FOXO1, a Forkhead family transcription factor, is required for yolk sac (YS) vascular remodeling and survival beyond embryonic day (E) 11. Here, we demonstrate that at E8.25, loss of Foxo1 in Tie2-cre expressing cells resulted in increased sprouty 2 (Spry2) and Spry4 expression, reduced arterial gene expression and reduced Kdr (also known as Vegfr2 and Flk1) transcripts without affecting overall endothelial cell identity, survival or proliferation. Using a Dll4-BAC-nlacZ reporter line, we found that one of the earliest expressed arterial genes, delta like 4, is significantly reduced in Foxo1 mutant YS without being substantially affected in the embryo proper. We show that FOXO1 binds directly to previously identified Spry2 gene regulatory elements (GREs) and newly identified, evolutionarily conserved Spry4 GREs to repress their expression. Furthermore, overexpression of Spry4 in transient transgenic embryos largely recapitulates the reduced expression of arterial genes seen in conditional Foxo1 mutants. Together, these data reveal a novel role for FOXO1 as a key transcriptional repressor regulating both pre-flow arterial specification and subsequent vessel remodeling within the murine YS.
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Affiliation(s)
- Nanbing Li-Villarreal
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Rebecca Lee Yean Wong
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Monica D. Garcia
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Ryan S. Udan
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Ross A. Poché
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Tara L. Rasmussen
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Alexander M. Rhyner
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Joshua D. Wythe
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
| | - Mary E. Dickinson
- Department of Molecular Physiology and Biophysics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77030, USA
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34
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Zhu G, Lin Y, Ge T, Singh S, Liu H, Fan L, Wang S, Rhen J, Jiang D, Lyu Y, Yin Y, Li X, Benoit DSW, Li W, Xu Y, Pang J. A novel peptide inhibitor of Dll4-Notch1 signalling and its pro-angiogenic functions. Br J Pharmacol 2022; 179:1716-1731. [PMID: 34796471 PMCID: PMC9040338 DOI: 10.1111/bph.15743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 10/24/2021] [Accepted: 10/26/2021] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND AND PURPOSE The Dll4-Notch1 signalling pathway plays an important role in sprouting angiogenesis, vascular remodelling and arterial or venous specificity. Genetic or pharmacological inhibition of Dll4-Notch1 signalling leads to excessive sprouting angiogenesis. However, transcriptional inhibitors of Dll4-Notch1 signalling have not been described. EXPERIMENTAL APPROACH We designed a new peptide targeting Notch signalling, referred to as TAT-ANK, and assessed its effects on angiogenesis. In vitro, tube formation and fibrin gel bead assay were carried out, using human umbilical vein endothelial cells (HUVECs). In vivo, Matrigel plug angiogenesis assay, a developmental retinal model and tumour models in mice were used. The mechanisms underlying TAT-ANK activity were investigated by immunochemistry, western blotting, immunoprecipitation, RT-qPCR and luciferase reporter assays. KEY RESULTS The amino acid residues 179-191 in the G-protein-coupled receptor-kinase-interacting protein-1 (GIT1-ankyrin domain) are crucial for GIT1 binding to the Notch transcription repressor, RBP-J. We designed the peptide TAT-ANK, based on residues 179-191 in GIT1. TAT-ANK significantly inhibited Dll4 expression and Notch 1 activation in HUVECs by competing with activated Notch1 to bind to RBP-J. The analyses of biological functions showed that TAT-ANK promoted angiogenesis in vitro and in vivo by inhibiting Dll4-Notch1 signalling. CONCLUSIONS AND IMPLICATIONS We synthesized and investigated the biological actions of TAT-ANK peptide, a new inhibitor of Notch signalling. This peptide will be of significant interest to research on Dll4-Notch1 signalling and to clinicians carrying out clinical trials using Notch signalling inhibitors. Furthermore, our findings will have important conceptual and therapeutic implications for angiogenesis-related diseases.
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Affiliation(s)
- Guofu Zhu
- Department of Cardiology, Pan-Vascular Research Institute of Tongji University, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Ying Lin
- Department of Cardiology, Pan-Vascular Research Institute of Tongji University, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Tandi Ge
- Department of Cardiology, Pan-Vascular Research Institute of Tongji University, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Shekhar Singh
- Department of Cardiology, Pan-Vascular Research Institute of Tongji University, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hao Liu
- Department of Cardiology, Pan-Vascular Research Institute of Tongji University, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Linlin Fan
- Department of Cardiology, Pan-Vascular Research Institute of Tongji University, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Shumin Wang
- Aab Cardiovascular Research Institute and Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA
| | - Jordan Rhen
- Aab Cardiovascular Research Institute and Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA
| | - Dongyang Jiang
- Department of Cardiology, Pan-Vascular Research Institute of Tongji University, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yuyan Lyu
- Department of Cardiology, Pan-Vascular Research Institute of Tongji University, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yiheng Yin
- Department of Cardiology, Pan-Vascular Research Institute of Tongji University, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xiankai Li
- Department of Cardiology, Pan-Vascular Research Institute of Tongji University, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Danielle S. W. Benoit
- Departments of Biomedical Engineering and Chemical Engineering, Materials Science Program, and Centers for Musculoskeletal Research and Oral Biology, University of Rochester, Rochester, New York, USA
| | - Weiming Li
- Department of Cardiology, Pan-Vascular Research Institute of Tongji University, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yawei Xu
- Department of Cardiology, Pan-Vascular Research Institute of Tongji University, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, China
| | - Jinjiang Pang
- Aab Cardiovascular Research Institute and Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA
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35
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Abstract
Notch signalling is an evolutionarily highly conserved signalling mechanism governing differentiation and regulating homeostasis in many tissues. In this review, we discuss recent advances in our understanding of the roles that Notch signalling plays in the vasculature. We describe how Notch signalling regulates different steps during the genesis and remodelling of blood vessels (vasculogenesis and angiogenesis), including critical roles in assigning arterial and venous identities to the emerging blood vessels and regulation of their branching. We then proceed to discuss how experimental perturbation of Notch signalling in the vasculature later in development affects vascular homeostasis. In this review, we also describe how dysregulated Notch signalling, as a consequence of direct mutations of genes in the Notch pathway or aberrant Notch signalling output, contributes to various types of vascular disease, including CADASIL, Snedden syndrome and pulmonary arterial hypertension. Finally, we point out some of the current knowledge gaps and identify remaining challenges in understanding the role of Notch in the vasculature, which need to be addressed to pave the way for Notch-based therapies to cure or ameliorate vascular disease.
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Affiliation(s)
- Francesca Del Gaudio
- Department of Cell and Molecular Biology, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Dongli Liu
- Department of Cell and Molecular Biology, Karolinska Institutet, 171 77 Stockholm, Sweden,Department of Pediatrics, The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, People's Republic of China
| | - Urban Lendahl
- Department of Cell and Molecular Biology, Karolinska Institutet, 171 77 Stockholm, Sweden
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36
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He Y, Tacconi C, Dieterich LC, Kim J, Restivo G, Gousopoulos E, Lindenblatt N, Levesque MP, Claassen M, Detmar M. Novel Blood Vascular Endothelial Subtype-Specific Markers in Human Skin Unearthed by Single-Cell Transcriptomic Profiling. Cells 2022; 11:cells11071111. [PMID: 35406678 PMCID: PMC8997372 DOI: 10.3390/cells11071111] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/21/2022] [Accepted: 03/23/2022] [Indexed: 02/04/2023] Open
Abstract
Ample evidence pinpoints the phenotypic diversity of blood vessels (BVs) and site-specific functions of their lining endothelial cells (ECs). We harnessed single-cell RNA sequencing (scRNA-seq) to dissect the molecular heterogeneity of blood vascular endothelial cells (BECs) in healthy adult human skin and identified six different subpopulations, signifying arterioles, post-arterial capillaries, pre-venular capillaries, post-capillary venules, venules and collecting venules. Individual BEC subtypes exhibited distinctive transcriptomic landscapes associated with diverse biological pathways. These functionally distinct dermal BV segments were characterized by their unique compositions of conventional and novel markers (e.g., arteriole marker GJA5; arteriole capillary markers ASS1 and S100A4; pre-venular capillary markers SOX17 and PLAUR; venular markers EGR2 and LRG1), many of which have been implicated in vascular remodeling upon inflammatory responses. Immunofluorescence staining of human skin sections and whole-mount skin blocks confirmed the discrete expression of these markers along the blood vascular tree in situ, further corroborating BEC heterogeneity in human skin. Overall, our study molecularly refines individual BV compartments, whilst the identification of novel subtype-specific signatures provides more insights for future studies dissecting the responses of distinct vessel segments under pathological conditions.
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Affiliation(s)
- Yuliang He
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology (ETH) Zürich, 8093 Zürich, Switzerland; (Y.H.); (C.T.); (L.C.D.); (J.K.)
| | - Carlotta Tacconi
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology (ETH) Zürich, 8093 Zürich, Switzerland; (Y.H.); (C.T.); (L.C.D.); (J.K.)
- Department of Biosciences, University of Milan, 20133 Milan, Italy
| | - Lothar C. Dieterich
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology (ETH) Zürich, 8093 Zürich, Switzerland; (Y.H.); (C.T.); (L.C.D.); (J.K.)
| | - Jihye Kim
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology (ETH) Zürich, 8093 Zürich, Switzerland; (Y.H.); (C.T.); (L.C.D.); (J.K.)
| | - Gaetana Restivo
- Department of Dermatology, University Hospital Zürich, 8091 Zürich, Switzerland; (G.R.); (M.P.L.)
| | - Epameinondas Gousopoulos
- Department of Plastic Surgery and Hand Surgery, University Hospital Zürich, 8091 Zürich, Switzerland; (E.G.); (N.L.)
| | - Nicole Lindenblatt
- Department of Plastic Surgery and Hand Surgery, University Hospital Zürich, 8091 Zürich, Switzerland; (E.G.); (N.L.)
| | - Mitchell P. Levesque
- Department of Dermatology, University Hospital Zürich, 8091 Zürich, Switzerland; (G.R.); (M.P.L.)
| | - Manfred Claassen
- Department of Internal Medicine I, University of Tübingen, 72074 Tübingen, Germany;
- Department of Computer Science, University of Tübingen, 72074 Tübingen, Germany
| | - Michael Detmar
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology (ETH) Zürich, 8093 Zürich, Switzerland; (Y.H.); (C.T.); (L.C.D.); (J.K.)
- Correspondence:
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37
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Harvey DC, De Zoysa P, Toubat O, Choi J, Kishore J, Tsukamoto H, Kumar SR. Concomitant genetic defects potentiate the adverse impact of prenatal alcohol exposure on cardiac outflow tract maturation. Birth Defects Res 2022; 114:105-115. [PMID: 34859965 PMCID: PMC10033225 DOI: 10.1002/bdr2.1968] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 11/15/2021] [Accepted: 11/17/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND Prenatal alcohol exposure (PAE) is associated with an increased incidence of congenital heart defects (CHD), in particular outflow tract (OFT) defects. However, the variability in the incidence of CHD following PAE has not been fully explored. We hypothesize that a concomitant, relevant genetic defect would potentiate the adverse effect of PAE and partially explain the variability of PAE-induced CHD incidence. METHODS The OFT is formed by the second heart field (SHF). Our PAE model consisted of two intraperitoneal injections (3 g/kg, separated by 6 hr) of 30% ethanol on E6.5 during SHF specification. The impact of genetic defects was studied by SHF-specific loss of Delta-like ligand 4 (Dll4), fibroblast growth factor 8 (Fgf8) and Islet1. RESULTS Acute PAE alone significantly increased CHD incidence (4% vs. 26%, p = .015) with a particular increase in OFT alignment defects, viz., double outlet right ventricle (0 vs. 9%, p = .02). In embryos with a SHF genetic defect, acute PAE significantly increased CHD incidence (14 vs. 63%, p < .001), including double outlet right ventricle (6 vs. 50%, p < .001) compared to controls. PAE (p = .01) and heterozygous loss of Dll4 (p = .04) were found to independently contribute to CHD incidence, while neither Islet1 nor Fgf8 defects were found to be significant. CONCLUSIONS Our model recapitulates the increased incidence of OFT alignment defects seen in the clinic due to PAE. The presence of a concomitant SHF genetic mutation increases the incidence of PAE-related OFT defects. An apparent synergistic interaction between PAE and the loss of DLL4-mediated Notch signaling in OFT alignment requires further analysis.
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Affiliation(s)
- Drayton C Harvey
- Department of Surgery, Keck School of Medicine of University of Southern California, Los Angeles, California, USA
| | - Prashan De Zoysa
- Department of Surgery, Keck School of Medicine of University of Southern California, Los Angeles, California, USA
| | - Omar Toubat
- Department of Surgery, Keck School of Medicine of University of Southern California, Los Angeles, California, USA
| | - Jongkyu Choi
- Department of Medicine, Keck School of Medicine of University of Southern California, Los Angeles, California, USA
| | - Jahnavi Kishore
- Department of Surgery, Keck School of Medicine of University of Southern California, Los Angeles, California, USA
| | - Hidekazu Tsukamoto
- Department of Pathology, Keck School of Medicine of University of Southern California, Los Angeles, California, USA
- Southern California Research Center for ALPD and Cirrhosis, Los Angeles, California, USA
- Greater Los Angeles VA Healthcare System, Los Angeles, California, USA
| | - S Ram Kumar
- Department of Surgery, Keck School of Medicine of University of Southern California, Los Angeles, California, USA
- Department of Pediatrics, Keck School of Medicine of University of Southern California, Los Angeles, California, USA
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Kalisch-Smith JI, Morris EC, Strevens MAA, Redpath AN, Klaourakis K, Szumska D, Outhwaite JE, Sun X, Vieira JM, Smart N, De Val S, Riley PR, Sparrow DB. Analysis of Placental Arteriovenous Formation Reveals New Insights Into Embryos With Congenital Heart Defects. Front Genet 2022; 12:806136. [PMID: 35126469 PMCID: PMC8809359 DOI: 10.3389/fgene.2021.806136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 12/15/2021] [Indexed: 11/13/2022] Open
Abstract
The placental vasculature provides the developing embryo with a circulation to deliver nutrients and dispose of waste products. However, in the mouse, the vascular components of the chorio-allantoic placenta have been largely unexplored due to a lack of well-validated molecular markers. This is required to study how these blood vessels form in development and how they are impacted by embryonic or maternal defects. Here, we employed marker analysis to characterize the arterial/arteriole and venous/venule endothelial cells (ECs) during normal mouse placental development. We reveal that placental ECs are potentially unique compared with their embryonic counterparts. We assessed embryonic markers of arterial ECs, venous ECs, and their capillary counterparts-arteriole and venule ECs. Major findings were that the arterial tree exclusively expressed Dll4, and venous vascular tree could be distinguished from the arterial tree by Endomucin (EMCN) expression levels. The relationship between the placenta and developing heart is particularly interesting. These two organs form at the same stages of embryogenesis and are well known to affect each other's growth trajectories. However, although there are many mouse models of heart defects, these are not routinely assessed for placental defects. Using these new placental vascular markers, we reveal that mouse embryos from one model of heart defects, caused by maternal iron deficiency, also have defects in the formation of the placental arterial, but not the venous, vascular tree. Defects to the embryonic cardiovascular system can therefore have a significant impact on blood flow delivery and expansion of the placental arterial tree.
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Affiliation(s)
- Jacinta I. Kalisch-Smith
- BHF Centre for Research Excellence, Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom
| | - Emily C. Morris
- BHF Centre for Research Excellence, Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom
| | - Mary A. A. Strevens
- BHF Centre for Research Excellence, Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom
| | - Andia N. Redpath
- BHF Centre for Research Excellence, Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom
| | - Kostantinos Klaourakis
- BHF Centre for Research Excellence, Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom
| | - Dorota Szumska
- BHF Centre for Research Excellence, Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom
- Nuffield Department of Medicine, Ludvig Institute for Cancer Research Ltd., University of Oxford, Oxford, United Kingdom
| | | | - Xin Sun
- BHF Centre for Research Excellence, Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom
| | - Joaquim Miguel Vieira
- BHF Centre for Research Excellence, Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom
| | - Nicola Smart
- BHF Centre for Research Excellence, Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom
| | - Sarah De Val
- BHF Centre for Research Excellence, Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom
- Nuffield Department of Medicine, Ludvig Institute for Cancer Research Ltd., University of Oxford, Oxford, United Kingdom
| | - Paul R. Riley
- BHF Centre for Research Excellence, Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom
| | - Duncan B. Sparrow
- BHF Centre for Research Excellence, Department of Physiology, Anatomy, and Genetics, University of Oxford, Oxford, United Kingdom
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Koch PS, Sandorski K, Heil J, Schmid CD, Kürschner SW, Hoffmann J, Winkler M, Staniczek T, de la Torre C, Sticht C, Schledzewski K, Taketo MM, Trogisch FA, Heineke J, Géraud C, Goerdt S, Olsavszky V. Imbalanced Activation of Wnt-/β-Catenin-Signaling in Liver Endothelium Alters Normal Sinusoidal Differentiation. Front Physiol 2021; 12:722394. [PMID: 34658910 PMCID: PMC8511684 DOI: 10.3389/fphys.2021.722394] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 08/19/2021] [Indexed: 01/20/2023] Open
Abstract
Endothelial wingless-related integration site (Wnt)-/β-catenin signaling is a key regulator of the tightly sealed blood–brain barrier. In the hepatic vascular niche angiokine-mediated Wnt signaling was recently identified as an important regulator of hepatocyte function, including the determination of final adult liver size, liver regeneration, and metabolic liver zonation. Within the hepatic vasculature, the liver sinusoidal endothelial cells (LSECs) are morphologically unique and functionally specialized microvascular endothelial cells (ECs). Pathological changes of LSECs are involved in chronic liver diseases, hepatocarcinogenesis, and liver metastasis. To comprehensively analyze the effects of endothelial Wnt-/β-catenin signaling in the liver, we used endothelial subtype-specific Clec4g-iCre mice to generate hepatic ECs with overexpression of Ctnnb1. In the resultant Clec4g-iCretg/wt;Ctnnb1(Ex3)fl/wt (Ctnnb1OE−EC) mice, activation of endothelial Wnt-/β-catenin signaling resulted in sinusoidal transdifferentiation with disturbed endothelial zonation, that is, loss of midzonal LSEC marker lymphatic vessel endothelial hyaluronic acid receptor 1 (Lyve1) and enrichment of continuous EC genes, such as cluster of differentiation (CD)34 and Apln. Notably, gene set enrichment analysis revealed overrepresentation of brain endothelial transcripts. Activation of endothelial Wnt-/β-catenin signaling did not induce liver fibrosis or alter metabolic liver zonation, but Ctnnb1OE−EC mice exhibited significantly increased plasma triglyceride concentrations, while liver lipid content was slightly reduced. Ctnnb1 overexpression in arterial ECs of the heart has been reported previously to cause cardiomyopathy. As Clec4g-iCre is active in a subset of cardiac ECs, it was not unexpected that Ctnnb1OE−EC mice showed reduced overall survival and cardiac dysfunction. Altogether, balanced endothelial Wnt-/β-catenin signaling in the liver is required for normal LSEC differentiation and for maintenance of normal plasma triglyceride levels.
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Affiliation(s)
- Philipp-Sebastian Koch
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Kajetan Sandorski
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Joschka Heil
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Christian D Schmid
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Sina W Kürschner
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Johannes Hoffmann
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Manuel Winkler
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Theresa Staniczek
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Carolina de la Torre
- Next Generation Sequencing Core Facility, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Carsten Sticht
- Next Generation Sequencing Core Facility, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Kai Schledzewski
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Makoto Mark Taketo
- Division of Experimental Therapeutics, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Felix A Trogisch
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.,Department of Cardiovascular Physiology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Joerg Heineke
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.,Department of Cardiovascular Physiology, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Cyrill Géraud
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.,Section of Clinical and Molecular Dermatology, Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Sergij Goerdt
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Victor Olsavszky
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, Heidelberg University and Center of Excellence in Dermatology, Mannheim, Germany.,European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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Cao X, Xu B, Li X, Li T, He Y. A Genetically Engineered Mouse Model of Venous Anomaly and Retinal Angioma-like Vascular Malformation. Bio Protoc 2021; 11:e4117. [PMID: 34458411 DOI: 10.21769/bioprotoc.4117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 04/21/2021] [Accepted: 04/23/2021] [Indexed: 11/02/2022] Open
Abstract
Characterization of key regulators in vein development will advance our understanding of mechanisms underlying venous anomalies and provide therapeutic targets for the treatment of vascular malformations. Here, we provide a detailed protocol for the generation of genetically engineered mouse models targeting the Tek gene for the analysis of vein formation and vein-associated vascular diseases at the embryonic and postnatal stages. It includes steps involved in the whole-mount processing of mouse skin, mesentery, and retina for the examination of vascular malformation during embryonic and postnatal development.
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Affiliation(s)
- Xudong Cao
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, National Clinical Research Center for Hematologic Diseases, State Key Laboratory of Radiation Medicine and Protection, Cam-Su Genomic Resources Center, Soochow University, Suzhou 215123, China
| | - Beibei Xu
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, National Clinical Research Center for Hematologic Diseases, State Key Laboratory of Radiation Medicine and Protection, Cam-Su Genomic Resources Center, Soochow University, Suzhou 215123, China
| | - Xiao Li
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, National Clinical Research Center for Hematologic Diseases, State Key Laboratory of Radiation Medicine and Protection, Cam-Su Genomic Resources Center, Soochow University, Suzhou 215123, China
| | - Taotao Li
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, National Clinical Research Center for Hematologic Diseases, State Key Laboratory of Radiation Medicine and Protection, Cam-Su Genomic Resources Center, Soochow University, Suzhou 215123, China
| | - Yulong He
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, National Clinical Research Center for Hematologic Diseases, State Key Laboratory of Radiation Medicine and Protection, Cam-Su Genomic Resources Center, Soochow University, Suzhou 215123, China
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41
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Chen D, Schwartz MA, Simons M. Developmental Perspectives on Arterial Fate Specification. Front Cell Dev Biol 2021; 9:691335. [PMID: 34249941 PMCID: PMC8269928 DOI: 10.3389/fcell.2021.691335] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 05/18/2021] [Indexed: 12/18/2022] Open
Abstract
Blood vessel acquisition of arterial or venous fate is an adaptive phenomenon in response to increasing blood circulation during vascular morphogenesis. The past two decades of effort in this field led to development of a widely accepted paradigm of molecular regulators centering on VEGF and Notch signaling. More recent findings focused on shear stress-induced cell cycle arrest as a prerequisite for arterial specification substantially modify this traditional understanding. This review aims to summarize key molecular mechanisms that work in concert to drive the acquisition of arterial fate in two distinct developmental settings of vascular morphogenesis: de novo vasculogenesis of the dorsal aorta and postnatal retinal angiogenesis. We will also discuss the questions and conceptual controversies that potentially point to novel directions of investigation and possible clinical relevance.
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Affiliation(s)
- Dongying Chen
- Yale Cardiovascular Research Center, Departments of Internal Medicine, Yale University School of Medicine, New Haven, CT, United States
| | - Martin A. Schwartz
- Yale Cardiovascular Research Center, Departments of Internal Medicine, Yale University School of Medicine, New Haven, CT, United States
- Department of Cell Biology, Yale University School of Medicine, New Haven, CT, United States
- Department of Biomedical Engineering, Yale University, New Haven, CT, United States
| | - Michael Simons
- Yale Cardiovascular Research Center, Departments of Internal Medicine, Yale University School of Medicine, New Haven, CT, United States
- Department of Cell Biology, Yale University School of Medicine, New Haven, CT, United States
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42
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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] [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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43
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De Zoysa P, Toubat O, Harvey D, Choi J, Kumar SR. Murine Model of Cardiac Defects Observed in Adams-Oliver Syndrome Driven by Delta-Like Ligand-4 Haploinsufficiency. Stem Cells Dev 2021; 30:611-621. [PMID: 33899511 DOI: 10.1089/scd.2021.0058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
Heterozygous loss-of-function mutation in Delta-like ligand-4 (Dll4) is an important cause of Adams-Oliver syndrome (AOS). Cardiac defects, in particular outflow tract (OFT) alignment defects, are observed in about one-fourth of patients with this syndrome. The mechanism underlying this genotype-phenotype correlation has not yet been established. Dll4-mediated Notch signaling is known to play a crucial role in second heart field (SHF) progenitor cell proliferation. We hypothesized that the depletion of the SHF progenitor pool of cells due to partial loss of Dll4 is responsible for the OFT alignment defects seen in AOS. To demonstrate this, we studied Dll4 expression by murine SHF progenitor cells around E9.5, a crucial time-point in SHF biology. We used SHF-specific (Islet1-Cre) conditional knockout of Dll4 to bypass the early embryonic lethality seen in global Dll4 heterozygotes. Dll4-mediated Notch signaling is critically required for SHF proliferation such that Dll4 knockout results in a 33% reduction in proliferation and a fourfold increase in apoptosis in SHF cells, leading to a 56% decline in the size of the SHF progenitor pool. A reduction in SHF cells available for incorporation into the developing heart leads to underdevelopment of the SHF-derived right ventricle and OFT. Similar to the clinical syndrome, 32% of SHF-specific Dll4 heterozygotes demonstrate foreshortened and misaligned OFT, resulting in a double outlet right ventricle. Our murine model provides a molecular mechanism to explain the cardiac defects observed in AOS and establishes a novel clinical role for Dll4-mediated Notch signaling in SHF progenitor biology.
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Affiliation(s)
- Prashan De Zoysa
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA
| | - Omar Toubat
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA
| | - Drayton Harvey
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA
| | - Jongkyu Choi
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA.,Department of Medicine, and Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA
| | - S Ram Kumar
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA.,Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA
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Abstract
The Notch signalling pathway is one of the main regulators of endothelial biology. In the last 20 years the critical function of Notch has been uncovered in the context of angiogenesis, participating in tip-stalk specification, arterial-venous differentiation, vessel stabilization, and maturation processes. Importantly, pharmacological compounds targeting distinct members of the Notch signalling pathway have been used in the clinics for cancer therapy. However, the underlying mechanisms that support the variety of outcomes triggered by Notch in apparently opposite contexts such as angiogenesis and vascular homeostasis remain unknown. In recent years, advances in -omics technologies together with mosaic analysis and high molecular, cellular and temporal resolution studies have allowed a better understanding of the mechanisms driven by the Notch signalling pathway in different endothelial contexts. In this review we will focus on the main findings that revisit the role of Notch signalling in vascular biology. We will also discuss potential future directions and technologies that will shed light on the puzzling role of Notch during endothelial growth and homeostasis. Addressing these open questions may allow the improvement and development of therapeutic strategies based on modulation of the Notch signalling pathway.
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45
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Abstract
PURPOSE OF REVIEW Conditional or inducible recombinase-based genetics is still the gold standard to analyse gene function, given its high specificity, temporal control, limited toxicity and the many available genetic tools. However, it is based on methods that have inherent limitations and shortcomings. The purpose of this review is to summarize and contrast the different available methods used to perform conditional gene function analysis to better inform the community about their particularities and the need to use better methods. RECENT FINDINGS As any other biomedical field, the vascular biology field has moved from using and analysing standard gene knockout (KO) mice, to use conditional genetics to delete a given gene only at a given time point, cell-type or organ of interest. This is the only way to accurately understand a gene function and avoid other confounding factors. Therefore, nowadays the majority of laboratories working with mice use CreERT2-tamoxifen-inducible genetics. However, this necessary transition from the relatively simple KO genetics to the more sophisticated conditional genetics brought a series of additional methodological issues that are often overlooked or unappreciated. Recent findings from several laboratories have shown how important is to know what to expect from and control for in conditional genetics. Without this a priori knowledge, the quality, robustness, time and costs of conditional genetic experiments can be significantly compromised. SUMMARY We start this review by discussing the intricacies of the most simple and widely used methods to perform conditional genetics and then extend on the need of novel and more advanced methods to increase the ease, efficiency and reliability of conditional mutagenesis and gene function analysis.
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Affiliation(s)
- Irene Garcia-Gonzalez
- Molecular Genetics of Angiogenesis Laboratory, Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
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Chico TJA, Kugler EC. Cerebrovascular development: mechanisms and experimental approaches. Cell Mol Life Sci 2021; 78:4377-4398. [PMID: 33688979 PMCID: PMC8164590 DOI: 10.1007/s00018-021-03790-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 02/04/2021] [Accepted: 02/12/2021] [Indexed: 12/13/2022]
Abstract
The cerebral vasculature plays a central role in human health and disease and possesses several unique anatomic, functional and molecular characteristics. Despite their importance, the mechanisms that determine cerebrovascular development are less well studied than other vascular territories. This is in part due to limitations of existing models and techniques for visualisation and manipulation of the cerebral vasculature. In this review we summarise the experimental approaches used to study the cerebral vessels and the mechanisms that contribute to their development.
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Affiliation(s)
- Timothy J A Chico
- Department of Infection, Immunity and Cardiovascular Disease, Medical School, University of Sheffield, Beech Hill Road, Sheffield, S10 2RX, UK.
- The Bateson Centre, Firth Court, University of Sheffield, Western Bank, Sheffield, S10 2TN, UK.
- Insigneo Institute for in Silico Medicine, The Pam Liversidge Building, Sheffield, S1 3JD, UK.
| | - Elisabeth C Kugler
- Department of Infection, Immunity and Cardiovascular Disease, Medical School, University of Sheffield, Beech Hill Road, Sheffield, S10 2RX, UK.
- The Bateson Centre, Firth Court, University of Sheffield, Western Bank, Sheffield, S10 2TN, UK.
- Insigneo Institute for in Silico Medicine, The Pam Liversidge Building, Sheffield, S1 3JD, UK.
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The complexity of tumour angiogenesis based on recently described molecules. Contemp Oncol (Pozn) 2021; 25:33-44. [PMID: 33911980 PMCID: PMC8063899 DOI: 10.5114/wo.2021.105075] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 11/23/2020] [Indexed: 12/13/2022] Open
Abstract
Tumour angiogenesis is a crucial factor associated with tumour growth, progression, and metastasis. The whole process is the result of an interaction between a wide range of different molecules, influencing each other. Herein we summarize novel discoveries related to the less known angiogenic molecules such as galectins, pentraxin-3, Ral-interacting protein of 76 kDa (RLIP76), long non-coding RNAs (lncRNAs), B7-H3, and delta-like ligand-4 (DLL-4) and their role in the process of tumour angiogenesis. These molecules influence the most important molecular pathways involved in the formation of blood vessels in cancer, including the vascular endothelial growth factor (VEGF)-vascular endothelial growth factor receptor interaction (VEGFR), HIF1-a activation, or PI3K/Akt/mTOR and JAK-STAT signalling pathways. Increased expression of galectins, RLIP76, and B7H3 has been proven in several malignancies. Pentraxin-3, which appears to inhibit tumour angiogenesis, shows reduced expression in tumour tissues. Anti-angiogenic treatment based mainly on VEGF inhibition has proved to be of limited effectiveness, leading to the development of drug resistance. The newly discovered molecules are of great interest as a potential source of new anti-cancer therapies. Their role as targets for new drugs and as prognostic markers in neoplasms is discussed in this review.
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Xia S, Menden HL, Townley N, Mabry SM, Johnston J, Nyp MF, Heruth DP, Korfhagen T, Sampath V. Delta-like 4 is required for pulmonary vascular arborization and alveolarization in the developing lung. JCI Insight 2021; 6:134170. [PMID: 33830085 PMCID: PMC8119184 DOI: 10.1172/jci.insight.134170] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 02/25/2021] [Indexed: 11/23/2022] Open
Abstract
The molecular mechanisms by which endothelial cells (ECs) regulate pulmonary vascularization and contribute to alveolar epithelial cell development during lung morphogenesis remain unknown. We tested the hypothesis that delta-like 4 (DLL4), an EC Notch ligand, is critical for alveolarization by combining lung mapping and functional studies in human tissue and DLL4-haploinsufficient mice (Dll4+/lacz). DLL4 expressed in a PECAM-restricted manner in capillaries, arteries, and the alveolar septum from the canalicular to alveolar stage in mice and humans. Dll4 haploinsufficiency resulted in exuberant, nondirectional vascular patterning at E17.5 and P6, followed by smaller capillaries and fewer intermediate blood vessels at P14. Vascular defects coincided with polarization of lung EC expression toward JAG1-NICD-HES1 signature and decreased tip cell-like (Car4) markers. Dll4+/lacZ mice had impaired terminal bronchiole development at the canalicular stage and impaired alveolarization upon lung maturity. We discovered that alveolar type I cell (Aqp5) markers progressively decreased in Dll4+/lacZ mice after birth. Moreover, in human lung EC, DLL4 deficiency programmed a hypersprouting angiogenic phenotype cell autonomously. In conclusion, DLL4 is expressed from the canalicular to alveolar stage in mice and humans, and Dll4 haploinsufficiency programs dysmorphic microvascularization, impairing alveolarization. Our study reveals an obligate role for DLL4-regulated angiogenesis in distal lung morphogenesis.
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Affiliation(s)
- Sheng Xia
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Heather L. Menden
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Nick Townley
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Sherry M. Mabry
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Jeffrey Johnston
- Genomic Medicine Center, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Michael F. Nyp
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Daniel P. Heruth
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
| | - Thomas Korfhagen
- Division of Neonatology, Department of Pediatrics, Cincinnati Children’s Hospital, Cincinnati, Ohio, USA
| | - Venkatesh Sampath
- Division of Neonatology, Department of Pediatrics, Children’s Mercy Hospital, Kansas City, Missouri, USA
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Faber NR, McFarlane GR, Gaynor RC, Pocrnic I, Whitelaw CBA, Gorjanc G. Novel combination of CRISPR-based gene drives eliminates resistance and localises spread. Sci Rep 2021; 11:3719. [PMID: 33664305 PMCID: PMC7933345 DOI: 10.1038/s41598-021-83239-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 01/27/2021] [Indexed: 12/20/2022] Open
Abstract
Invasive species are among the major driving forces behind biodiversity loss. Gene drive technology may offer a humane, efficient and cost-effective method of control. For safe and effective deployment it is vital that a gene drive is both self-limiting and can overcome evolutionary resistance. We present HD-ClvR in this modelling study, a novel combination of CRISPR-based gene drives that eliminates resistance and localises spread. As a case study, we model HD-ClvR in the grey squirrel (Sciurus carolinensis), which is an invasive pest in the UK and responsible for both biodiversity and economic losses. HD-ClvR combats resistance allele formation by combining a homing gene drive with a cleave-and-rescue gene drive. The inclusion of a self-limiting daisyfield gene drive allows for controllable localisation based on animal supplementation. We use both randomly mating and spatial models to simulate this strategy. Our findings show that HD-ClvR could effectively control a targeted grey squirrel population, with little risk to other populations. HD-ClvR offers an efficient, self-limiting and controllable gene drive for managing invasive pests.
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Affiliation(s)
- Nicky R Faber
- Highlander Lab, The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Easter Bush Campus, Midlothian, EH25 9RG, UK. .,Laboratory of Genetics, Wageningen University and Research, Droevendaalsesteeg 1, 6708PB, Wageningen, The Netherlands.
| | - Gus R McFarlane
- Whitelaw Group, The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Easter Bush Campus, Midlothian, EH25 9RG, UK
| | - R Chris Gaynor
- AlphaGenes Group, The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Easter Bush Campus, Midlothian, EH25 9RG, UK
| | - Ivan Pocrnic
- Highlander Lab, The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Easter Bush Campus, Midlothian, EH25 9RG, UK
| | - C Bruce A Whitelaw
- Whitelaw Group, The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Easter Bush Campus, Midlothian, EH25 9RG, UK
| | - Gregor Gorjanc
- Highlander Lab, The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Easter Bush Campus, Midlothian, EH25 9RG, UK
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Maternal Cripto is critical for proper development of the mouse placenta and the placental vasculature. Placenta 2021; 107:13-23. [PMID: 33730615 DOI: 10.1016/j.placenta.2021.02.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 02/05/2021] [Accepted: 02/25/2021] [Indexed: 02/06/2023]
Abstract
INTRODUCTION The growth and survival of the mammalian fetus is highly dependent on the placenta. Several research groups have demonstrated the involvement of different transforming growth factor-beta (TGFβ) superfamily members and their related receptors in placentation. Cripto is a member of the epidermal growth factor-Cripto1/FRL1/Cryptic protein family and plays a critical role in embryonic development, stem cell maintenance and tumor progression through TGFβ-dependent and independent pathways. Several studies have suggested that Cripto may also have a role in female reproduction and pregnancy maintenance, but its specific role remains elusive. METHODS We used a conditional knockout mouse model in which Cripto is deleted from the uterus using a loxP-Cre system. Cripto cKO females were mated with wildtype males and dissections were performed at different timepoints during pregnancy for assessment of the number and size of the implantation sites, resorption sites, fetal weight and placental development. Histology, IF staining and quantitative PCR were employed to analyze the placentation process. RESULTS We found that loss of maternal Cripto results in defective placentation, decreased vascularization within the placental labyrinth and leads to intrauterine growth restriction and fetal death. We further demonstrated that components of the VEGF and Notch signaling pathways are downregulated in Cripto cKO decidua and placenta potentially contributing to defects in the development of the vasculature at maternal-fetal interface. DISCUSSION These findings demonstrate that maternal Cripto is involved in the maternal-fetal communications required for proper development of the placenta and placental vasculature.
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