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Wälchli T, Bisschop J, Carmeliet P, Zadeh G, Monnier PP, De Bock K, Radovanovic I. Shaping the brain vasculature in development and disease in the single-cell era. Nat Rev Neurosci 2023; 24:271-298. [PMID: 36941369 PMCID: PMC10026800 DOI: 10.1038/s41583-023-00684-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/06/2023] [Indexed: 03/23/2023]
Abstract
The CNS critically relies on the formation and proper function of its vasculature during development, adult homeostasis and disease. Angiogenesis - the formation of new blood vessels - is highly active during brain development, enters almost complete quiescence in the healthy adult brain and is reactivated in vascular-dependent brain pathologies such as brain vascular malformations and brain tumours. Despite major advances in the understanding of the cellular and molecular mechanisms driving angiogenesis in peripheral tissues, developmental signalling pathways orchestrating angiogenic processes in the healthy and the diseased CNS remain incompletely understood. Molecular signalling pathways of the 'neurovascular link' defining common mechanisms of nerve and vessel wiring have emerged as crucial regulators of peripheral vascular growth, but their relevance for angiogenesis in brain development and disease remains largely unexplored. Here we review the current knowledge of general and CNS-specific mechanisms of angiogenesis during brain development and in brain vascular malformations and brain tumours, including how key molecular signalling pathways are reactivated in vascular-dependent diseases. We also discuss how these topics can be studied in the single-cell multi-omics era.
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Affiliation(s)
- Thomas Wälchli
- Group of CNS Angiogenesis and Neurovascular Link, Neuroscience Center Zurich, and Division of Neurosurgery, University and University Hospital Zurich, Swiss Federal Institute of Technology (ETH) Zurich, Zurich, Switzerland.
- Division of Neurosurgery, University Hospital Zurich, Zurich, Switzerland.
- Group of Brain Vasculature and Perivascular Niche, Division of Experimental and Translational Neuroscience, Krembil Brain Institute, Krembil Research Institute, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada.
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Toronto, ON, Canada.
| | - Jeroen Bisschop
- Group of CNS Angiogenesis and Neurovascular Link, Neuroscience Center Zurich, and Division of Neurosurgery, University and University Hospital Zurich, Swiss Federal Institute of Technology (ETH) Zurich, Zurich, Switzerland
- Division of Neurosurgery, University Hospital Zurich, Zurich, Switzerland
- Group of Brain Vasculature and Perivascular Niche, Division of Experimental and Translational Neuroscience, Krembil Brain Institute, Krembil Research Institute, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Toronto, ON, Canada
- Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Peter Carmeliet
- Laboratory of Angiogenesis and Vascular Metabolism, Center for Cancer Biology, VIB & Department of Oncology, KU Leuven, Leuven, Belgium
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, People's Republic of China
- Laboratory of Angiogenesis and Vascular Heterogeneity, Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Gelareh Zadeh
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Toronto, ON, Canada
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON, Canada
| | - Philippe P Monnier
- Department of Physiology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Donald K. Johnson Research Institute, Krembil Research Institute, Krembil Discovery Tower, Toronto, ON, Canada
- Department of Ophthalmology and Vision Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Katrien De Bock
- Laboratory of Exercise and Health, Department of Health Science and Technology, Swiss Federal Institute of Technology (ETH) Zurich, Zurich, Switzerland
| | - Ivan Radovanovic
- Group of Brain Vasculature and Perivascular Niche, Division of Experimental and Translational Neuroscience, Krembil Brain Institute, Krembil Research Institute, Toronto Western Hospital, University Health Network, University of Toronto, Toronto, ON, Canada
- Division of Neurosurgery, Department of Surgery, Toronto Western Hospital, Toronto, ON, Canada
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Mussa A, Leoni C, Iacoviello M, Carli D, Ranieri C, Pantaleo A, Buonuomo PS, Bagnulo R, Ferrero GB, Bartuli A, Melis D, Maitz S, Loconte DC, Turchiano A, Piglionica M, De Luisi A, Susca FC, Bukvic N, Forleo C, Selicorni A, Zampino G, Onesimo R, Cappuccio G, Garavelli L, Novelli C, Memo L, Morando C, Della Monica M, Accadia M, Capurso M, Piscopo C, Cereda A, Di Giacomo MC, Saletti V, Spinelli AM, Lastella P, Tenconi R, Dvorakova V, Irvine AD, Resta N. Genotypes and phenotypes heterogeneity in PIK3CA-related overgrowth spectrum and overlapping conditions: 150 novel patients and systematic review of 1007 patients with PIK3CA pathogenetic variants. J Med Genet 2023; 60:163-173. [PMID: 35256403 DOI: 10.1136/jmedgenet-2021-108093] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Accepted: 02/18/2022] [Indexed: 01/27/2023]
Abstract
BACKGROUND Postzygotic activating PIK3CA variants cause several phenotypes within the PIK3CA-related overgrowth spectrum (PROS). Variant strength, mosaicism level, specific tissue involvement and overlapping disorders are responsible for disease heterogeneity. We explored these factors in 150 novel patients and in an expanded cohort of 1007 PIK3CA-mutated patients, analysing our new data with previous literature to give a comprehensive picture. METHODS We performed ultradeep targeted next-generation sequencing (NGS) on DNA from skin biopsy, buccal swab or blood using a panel including phosphatidylinositol 3-kinase/AKT/mammalian target of rapamycin pathway genes and GNAQ, GNA11, RASA1 and TEK. Additionally, 914 patients previously reported were systematically reviewed. RESULTS 93 of our 150 patients had PIK3CA pathogenetic variants. The merged PROS cohort showed that PIK3CA variants span thorough all gene domains, some were exclusively associated with specific PROS phenotypes: weakly activating variants were associated with central nervous system (CNS) involvement, and strongly activating variants with extra-CNS phenotypes. Among the 57 with a wild-type PIK3CA allele, 11 patients with overgrowth and vascular malformations overlapping PROS had variants in GNAQ, GNA11, RASA1 or TEK. CONCLUSION We confirm that (1) molecular diagnostic yield increases when multiple tissues are tested and by enriching NGS panels with genes of overlapping 'vascular' phenotypes; (2) strongly activating PIK3CA variants are found in affected tissue, rarely in blood: conversely, weakly activating mutations more common in blood; (3) weakly activating variants correlate with CNS involvement, strong variants are more common in cases without; (4) patients with vascular malformations overlapping those of PROS can harbour variants in genes other than PIK3CA.
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Affiliation(s)
- Alessandro Mussa
- Department of Public Health and Pediatric Sciences, Università degli Studi di Torino, Torino, Italy.,Pediatric Clinical Genetics, Regina Margherita Children's Hospital, Hospital, Città della Salute e della Scienza di Torino, Torino, Italy
| | - Chiara Leoni
- Center for Rare Diseases and Birth Defects, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italy
| | - Matteo Iacoviello
- Department of Biomedical Sciences and Human Oncology, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Diana Carli
- Department of Public Health and Pediatric Sciences, Università degli Studi di Torino, Torino, Italy.,Pediatric Onco-Hematology, Stem Cell Transplantation and Cell Therapy Division, Regina Margherita Children's Hospital, Città Della Salute e Della Scienza di Torino, Torino, Italy
| | - Carlotta Ranieri
- Department of Biomedical Sciences and Human Oncology, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Antonino Pantaleo
- Department of Biomedical Sciences and Human Oncology, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Paola Sabrina Buonuomo
- Rare Diseases and Medical Genetics Unit, Bambino Gesù Children's Hospital IRCCS, Roma, Italy
| | - Rosanna Bagnulo
- Department of Biomedical Sciences and Human Oncology, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | | | - Andrea Bartuli
- Rare Diseases and Medical Genetics Unit, Bambino Gesù Children's Hospital IRCCS, Roma, Italy
| | - Daniela Melis
- Department of Medicine, Surgery and Dentistry "Scuola Medica Salernitana", University of Salerno, Fisciano, Italy
| | - Silvia Maitz
- Clinical Pediatric Genetics Unit, MBBM Foundation, San Gerardo Hospital, Monza, Italy
| | - Daria Carmela Loconte
- Department of Biomedical Sciences and Human Oncology, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Antonella Turchiano
- Department of Biomedical Sciences and Human Oncology, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Marilidia Piglionica
- Department of Biomedical Sciences and Human Oncology, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Annunziata De Luisi
- Department of Biomedical Sciences and Human Oncology, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Francesco Claudio Susca
- Department of Biomedical Sciences and Human Oncology, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Nenad Bukvic
- Department of Biomedical Sciences and Human Oncology, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Cinzia Forleo
- Cardiology Unit, Department of Emergency and Organ Transplantation, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | | | - Giuseppe Zampino
- Center for Rare Diseases and Birth Defects, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italy
| | - Roberta Onesimo
- Center for Rare Diseases and Birth Defects, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italy
| | - Gerarda Cappuccio
- Department of Translational Medicine, Federico II University Hospital, Napoli, Italy
| | - Livia Garavelli
- Medical Genetics Unit, Mother and Child Health Department, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Chiara Novelli
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Milano, Italy
| | - Luigi Memo
- Department of Pediatrics, Neonatal Intensive Care Unit, San Bortolo Hospital of Vicenza, Vicenza, Italy
| | - Carla Morando
- Department of Pediatrics, Neonatal Intensive Care Unit, San Bortolo Hospital of Vicenza, Vicenza, Italy
| | | | - Maria Accadia
- Medical Genetics Unit, Hospital "Cardinale G. Panico", Tricase, Italy
| | - Martina Capurso
- Department of Biomedical Sciences and Human Oncology, Università degli Studi di Bari "Aldo Moro", Bari, Italy
| | - Carmelo Piscopo
- Medical Genetics Unit, Cardarelli Hospital, Napoli, Italy, Italy
| | - Anna Cereda
- Pediatric Department, ASST Papa Giovanni XXIII, Bergamo, Italy
| | | | - Veronica Saletti
- Department of Pediatric Neuroscience, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy
| | | | - Patrizia Lastella
- Centro Sovraziendale di Assistenza e Ricerca per le Malattie Rare, Internal Medicine Unit 'C. Frugoni', Ospedale Consorziale Policlinico di Bari, Bari, Italy
| | - Romano Tenconi
- Department of Pediatrics, Clinical Genetics, Universita degli Studi di Padova, Padova, Italy
| | - Veronika Dvorakova
- Dermatology Clinic, Our Lady's Children's Hospital Crumlin, Dublin, Ireland
| | - Alan D Irvine
- Dermatology Clinic, Our Lady's Children's Hospital Crumlin, Dublin, Ireland
| | - Nicoletta Resta
- Department of Biomedical Sciences and Human Oncology, Università degli Studi di Bari "Aldo Moro", Bari, Italy
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Eisa-Beygi S, Vo NJ, Link BA. RhoA activation-mediated vascular permeability in capillary malformation-arteriovenous malformation syndrome: a hypothesis. Drug Discov Today 2020; 26:1790-1793. [PMID: 33358701 DOI: 10.1016/j.drudis.2020.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 11/19/2020] [Accepted: 12/16/2020] [Indexed: 11/18/2022]
Abstract
Capillary malformation-arteriovenous malformation (CM-AVM) syndrome is a class of capillary anomalies that are associated with arteriovenous malformations and arteriovenous fistulas, which carry a risk of hemorrhages. There are no broadly effective pharmacological therapies currently available. Most CM-AVMs are associated with a loss of RASA1, resulting in constitutive activation of RAS signaling. However, protein interaction analysis revealed that RASA1 forms a complex with Rho GTPase-activating protein (RhoGAP), a negative regulator of RhoA signaling. Herein, we propose that loss of RASA1 function results in constitutive activation of RhoA signaling in endothelial cells, resulting in enhanced vascular permeability. Therefore, strategies aimed at curtailing RhoA activity should be tested as an adjunctive therapeutic approach in cell culture studies and animal models of RASA1 deficiency.
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Affiliation(s)
- Shahram Eisa-Beygi
- Department of Radiology, Medical College of Wisconsin, Milwaukee, WI, USA.
| | - Nghia Jack Vo
- Department of Radiology, Medical College of Wisconsin, Milwaukee, WI, USA; Department of Radiology, Pediatric Imaging and Interventional Radiology, Children's Hospital of Wisconsin, Milwaukee, WI, USA
| | - Brian A Link
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI, USA
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Ryu B, Sato S, Mochizuki T, Inoue T, Okada Y, Niimi Y. De novo intracranial arteriovenous malformation development after endovascular treatment for a pial arteriovenous fistula in capillary malformation-arteriovenous malformation syndrome. Interv Neuroradiol 2020; 27:25-30. [PMID: 32635776 DOI: 10.1177/1591019920940515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Capillary malformation-arteriovenous malformation (CM-AVM) syndrome is a newly described entity characterized by autosomal dominantly inherited multifocal capillary malformations caused by RASA1 mutations (CM-AVM1) or EPHB4 mutations (CM-AVM2). Concurrent high-flow vascular anomalies in the brain are often present in the form of intracranial AVM or arteriovenous fistula (AVF). These high-flow lesions are often identified at or soon after birth because of the characteristic unique capillary malformations or a systemic disorder due to a high-flow shunt, such as respiratory distress or heart failure. However, de novo intracranial AVMs have not been reported in patients with CM-AVM syndrome. Herein, we report the case of a six-year-old boy with CM-AVM1 who had been treated for an intracranial pial arteriovenous fistula approximately five years previously, in whom a de novo intracranial AVM was identified on a follow-up angiographic study. To the best of our knowledge, this report is the first to document a de novo intracranial AVM in a patient with CM-AVM. We recommend careful neuroimaging follow-up even if initial neuroimaging screening is negative because of the risk of de novo AVM development.
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Affiliation(s)
- Bikei Ryu
- Department of Neuroendovascular Therapy, St. Luke's International Hospital, Tokyo, Japan.,Department of Neurosurgery, St. Luke's International Hospital, Tokyo, Japan.,Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan
| | - Shinsuke Sato
- Department of Neuroendovascular Therapy, St. Luke's International Hospital, Tokyo, Japan.,Department of Neurosurgery, St. Luke's International Hospital, Tokyo, Japan.,Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan
| | - Tatsuki Mochizuki
- Department of Neurosurgery, St. Luke's International Hospital, Tokyo, Japan
| | - Tatsuya Inoue
- Department of Neurosurgery, St. Luke's International Hospital, Tokyo, Japan
| | - Yoshikazu Okada
- Department of Neurosurgery, St. Luke's International Hospital, Tokyo, Japan
| | - Yasunari Niimi
- Department of Neuroendovascular Therapy, St. Luke's International Hospital, Tokyo, Japan
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