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Caetano CCS, Azamor T, Meyer NM, Onwubueke C, Calabrese CM, Calabrese LH, Visperas A, Piuzzi NS, Husni ME, Foo SS, Chen W. Mechanistic insights into bone remodelling dysregulation by human viral pathogens. Nat Microbiol 2024; 9:322-335. [PMID: 38316931 PMCID: PMC11045166 DOI: 10.1038/s41564-023-01586-6] [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: 05/13/2022] [Accepted: 12/12/2023] [Indexed: 02/07/2024]
Abstract
Bone-related diseases (osteopathologies) associated with human virus infections have increased around the globe. Recent findings have highlighted the intricate interplay between viral infection, the host immune system and the bone remodelling process. Viral infections can disrupt bone homeostasis, contributing to conditions such as arthritis and soft tissue calcifications. Osteopathologies can occur after arbovirus infections such as chikungunya virus, dengue virus and Zika virus, as well as respiratory viruses, such as severe acute respiratory syndrome coronavirus 2 and enteroviruses such as Coxsackievirus B. Here we explore how human viruses dysregulate bone homeostasis, detailing viral factors, molecular mechanisms, host immune response changes and bone remodelling that ultimately result in osteopathologies. We highlight model systems and technologies to advance mechanistic understanding of viral-mediated bone alterations. Finally, we propose potential prophylactic and therapeutic strategies, introduce 'osteovirology' as a research field highlighting the underestimated roles of viruses in bone-related diseases, and discuss research avenues for further investigation.
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Affiliation(s)
- Camila C S Caetano
- Infection Biology Program, Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Tamiris Azamor
- Infection Biology Program, Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Nikki M Meyer
- Infection Biology Program, Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Chineme Onwubueke
- Infection Biology Program, Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
- Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Cassandra M Calabrese
- Department of Rheumatic and Immunologic Diseases, Cleveland Clinic, Cleveland, OH, USA
| | - Leonard H Calabrese
- Department of Rheumatic and Immunologic Diseases, Cleveland Clinic, Cleveland, OH, USA
| | - Anabelle Visperas
- Department of Orthopedic Surgery, Cleveland Clinic, Cleveland, OH, USA
| | - Nicolas S Piuzzi
- Department of Orthopedic Surgery, Cleveland Clinic, Cleveland, OH, USA
| | - M Elaine Husni
- Department of Rheumatic and Immunologic Diseases, Cleveland Clinic, Cleveland, OH, USA
| | - Suan-Sin Foo
- Infection Biology Program, Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA.
- Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH, USA.
| | - Weiqiang Chen
- Infection Biology Program, Global Center for Pathogen Research and Human Health, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA.
- Cleveland Clinic Lerner College of Medicine, Case Western Reserve University, Cleveland, OH, USA.
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Chum PP, Bishara MA, Solis SR, Behringer EJ. Cerebrovascular miRNAs Track Early Development of Alzheimer's Disease and Target Molecular Markers of Angiogenesis and Blood Flow Regulation. J Alzheimers Dis 2024; 99:S187-S234. [PMID: 37458037 PMCID: PMC10787821 DOI: 10.3233/jad-230300] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Background Alzheimer's disease (AD) is associated with impaired cerebral circulation which underscores diminished delivery of blood oxygen and nutrients to and throughout the brain. In the 3xTg-AD mouse model, we have recently found that > 10 cerebrovascular miRNAs pertaining to vascular permeability, angiogenesis, and inflammation (e.g., let-7d, miR-99a, miR-132, miR-133a, miR-151-5p, and miR-181a) track early development of AD. Further, endothelial-specific miRNAs (miR-126-3p, miR-23a/b, miR-27a) alter with onset of overall AD pathology relative to stability of smooth muscle/pericyte-specific miRNAs (miR-143, miR-145). Objective We tested the hypothesis that cerebrovascular miRNAs indicating AD pathology share mRNA targets that regulate key endothelial cell functions such as angiogenesis, vascular permeability, and blood flow regulation. Methods As detected by NanoString nCounter miRNA Expression panel for 3xTg-AD mice, 61 cerebrovascular miRNAs and respective mRNA targets were examined using Ingenuity Pathway Analysis for canonical Cardiovascular (Cardio) and Nervous System (Neuro) Signaling. Results The number of targets regulated per miRNA were 21±2 and 33±3 for the Cardio and Neuro pathways respectively, whereby 14±2 targets overlap among pathways. Endothelial miRNAs primarily target members of the PDE, PDGF, SMAD, and VEGF families. Individual candidates regulated by≥4 miRNAs that best mark AD pathology presence in 3xTg-AD mice include CFL2, GRIN2B, PDGFB, SLC6A1, SMAD3, SYT3, and TNFRSF11B. Conclusion miRNAs selective for regulation of endothelial function and respective downstream mRNA targets support a molecular basis for dysregulated cerebral blood flow regulation coupled with enhanced cell growth, proliferation, and inflammation.
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Affiliation(s)
- Phoebe P. Chum
- Basic Sciences, Loma Linda University, Loma Linda, CA, USA
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Maheshwari U, Huang SF, Sridhar S, Keller A. The Interplay Between Brain Vascular Calcification and Microglia. Front Aging Neurosci 2022; 14:848495. [PMID: 35309892 PMCID: PMC8924545 DOI: 10.3389/fnagi.2022.848495] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 02/11/2022] [Indexed: 12/17/2022] Open
Abstract
Vascular calcifications are characterized by the ectopic deposition of calcium and phosphate in the vascular lumen or wall. They are a common finding in computed tomography scans or during autopsy and are often directly related to a pathological condition. While the pathogenesis and functional consequences of vascular calcifications have been intensively studied in some peripheral organs, vascular calcification, and its pathogenesis in the central nervous system is poorly characterized and understood. Here, we review the occurrence of vessel calcifications in the brain in the context of aging and various brain diseases. We discuss the pathomechanism of brain vascular calcification in primary familial brain calcification as an example of brain vessel calcification. A particular focus is the response of microglia to the vessel calcification in the brain and their role in the clearance of calcifications.
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Affiliation(s)
- Upasana Maheshwari
- Department of Neurosurgery, Clinical Neuroscience Center, Zürich University Hospital, University of Zürich, Zurich, Switzerland
| | - Sheng-Fu Huang
- Department of Neurosurgery, Clinical Neuroscience Center, Zürich University Hospital, University of Zürich, Zurich, Switzerland
| | - Sucheta Sridhar
- Department of Neurosurgery, Clinical Neuroscience Center, Zürich University Hospital, University of Zürich, Zurich, Switzerland
- Neuroscience Center Zürich, University of Zürich and ETH Zürich, Zurich, Switzerland
| | - Annika Keller
- Department of Neurosurgery, Clinical Neuroscience Center, Zürich University Hospital, University of Zürich, Zurich, Switzerland
- Neuroscience Center Zürich, University of Zürich and ETH Zürich, Zurich, Switzerland
- *Correspondence: Annika Keller,
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Tonduti D, Pichiecchio A, Uggetti C, Bova SM, Orcesi S, Parazzini C, Chiapparini L. How to look for intracranial calcification in children with neurological disorders: CT, MRI, or both of them? Neurol Sci 2021; 43:2043-2050. [PMID: 34383160 DOI: 10.1007/s10072-021-05510-w] [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: 03/30/2021] [Accepted: 07/18/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND Intracranial calcification (ICC) is an important diagnostic clue in pediatric neurology. Considering the radiation-induced cancer risk associated with computed tomography (CT), we aim to define the diagnostic value of magnetic resonance imaging (MRI) sequences sensitive to paramagnetic/diamagnetic substances in the detection of ICC, comparing with CT scanning. MATERIALS AND METHODS We selected MRI and CT scans performed in children affected by neurological conditions associated with ICC referred to the participating centers between 2005 and 2018. Inclusion criteria were age at neuroradiological investigation < 18 years, availability of good quality CT positive for calcification, and MRI scan that included GE or/and SWI sequences, performed no more than 6 months apart. RESULTS Eighty-one patients were included in the study. CT and MRI scans were reviewed by consensus. MRI failed to detect ICC in 14% of the cases. Susceptibility-weighted imaging (SWI) was the best MRI sequence to use in this setting, followed by gradient echo imaging. In 19% of the cases, CT could have been avoided because the identification or monitoring of ICC has not been necessary for the clinical management of the patient. CONCLUSION In the diagnostic workup of pediatric-onset neurological disorders of unknown cause, the first step to look for ICC should be an MRI that includes SWI and GE sequences. If ICC is absent on MRI, brain CT scanning should be performed at least once. When the identification or monitoring of ICC is unlikely to add information useful for patient's follow-up or treatment, we recommend not performing CT scanning.
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Affiliation(s)
- Davide Tonduti
- Child Neurology, Unit - COALA (Center for Diagnosis and Treatment of Leukodystrophies), V. Buzzi Children's Hospital, Via Castelvetro 32, 20154, Milan, Italy.
| | - Anna Pichiecchio
- Neuroradiology Unit, IRCCS Mondino Foundation, Pavia, Italy.,Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
| | - Carla Uggetti
- Neuroradiology Unit, Department of Radiology, ASST Santi Paolo E Carlo, Milan, Italy
| | - Stefania Maria Bova
- Child Neurology, Unit - COALA (Center for Diagnosis and Treatment of Leukodystrophies), V. Buzzi Children's Hospital, Via Castelvetro 32, 20154, Milan, Italy
| | - Simona Orcesi
- Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy.,Child and Adolescent Neurology Department, IRCCS Mondino Foundation, Pavia, Italy
| | - Cecilia Parazzini
- Paediatric Radiology and Neuroradiology Department - COALA (Center for Diagnosis and Treatment of Leukodystrophies), V. Buzzi Children's Hospital, Milan, Italy
| | - Luisa Chiapparini
- Neuroradiology Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
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Glück C, Ferrari KD, Binini N, Keller A, Saab AS, Stobart JL, Weber B. Distinct signatures of calcium activity in brain mural cells. eLife 2021; 10:e70591. [PMID: 34227466 PMCID: PMC8294852 DOI: 10.7554/elife.70591] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 06/15/2021] [Indexed: 12/15/2022] Open
Abstract
Pericytes have been implicated in various neuropathologies, yet little is known about their function and signaling pathways in health. Here, we characterized calcium dynamics of cortical mural cells in anesthetized or awake Pdgfrb-CreERT2;Rosa26< LSL-GCaMP6s > mice and in acute brain slices. Smooth muscle cells (SMCs) and ensheathing pericytes (EPs), also named as terminal vascular SMCs, revealed similar calcium dynamics in vivo. In contrast, calcium signals in capillary pericytes (CPs) were irregular, higher in frequency, and occurred in cellular microdomains. In the absence of the vessel constricting agent U46619 in acute slices, SMCs and EPs revealed only sparse calcium signals, whereas CPs retained their spontaneous calcium activity. Interestingly, chemogenetic activation of neurons in vivo and acute elevations of extracellular potassium in brain slices strongly decreased calcium activity in CPs. We propose that neuronal activation and an extracellular increase in potassium suppress calcium activity in CPs, likely mediated by Kir2.2 and KATP channels.
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Affiliation(s)
- Chaim Glück
- Institute of Pharmacology and Toxicology, University of ZurichZürichSwitzerland
- Neuroscience Center Zurich, University and ETH ZurichZurichSwitzerland
| | - Kim David Ferrari
- Institute of Pharmacology and Toxicology, University of ZurichZürichSwitzerland
- Neuroscience Center Zurich, University and ETH ZurichZurichSwitzerland
| | - Noemi Binini
- Institute of Pharmacology and Toxicology, University of ZurichZürichSwitzerland
- Neuroscience Center Zurich, University and ETH ZurichZurichSwitzerland
| | - Annika Keller
- Neuroscience Center Zurich, University and ETH ZurichZurichSwitzerland
- Department of Neurosurgery, University of ZurichSchlierenSwitzerland
| | - Aiman S Saab
- Institute of Pharmacology and Toxicology, University of ZurichZürichSwitzerland
- Neuroscience Center Zurich, University and ETH ZurichZurichSwitzerland
| | - Jillian L Stobart
- Institute of Pharmacology and Toxicology, University of ZurichZürichSwitzerland
- Rady Faculty of Health Sciences, College of PharmacyWinnipegCanada
| | - Bruno Weber
- Institute of Pharmacology and Toxicology, University of ZurichZürichSwitzerland
- Neuroscience Center Zurich, University and ETH ZurichZurichSwitzerland
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Shen Y, Shu S, Ren Y, Xia W, Chen J, Dong L, Ge H, Fan S, Shi L, Peng B, Zhang X. Case Report: Two Novel Frameshift Mutations in SLC20A2 and One Novel Splice Donor Mutation in PDGFB Associated With Primary Familial Brain Calcification. Front Genet 2021; 12:643452. [PMID: 34025715 PMCID: PMC8138311 DOI: 10.3389/fgene.2021.643452] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 04/08/2021] [Indexed: 12/14/2022] Open
Abstract
Primary familial brain calcification (PFBC, OMIM#213600), also known as Fahr's disease, is characterized by bilateral and symmetric brain calcification in the basal ganglia (globus pallidus, caudate nucleus, and putamen), thalamus, subcortical white matter, and cerebellum. PFBC can be caused by loss-of-function mutations in any of the six known causative genes. The most common clinical manifestations include movement disorders, cognitive impairment, and neuropsychiatric signs that gradually emerge in middle-aged patients. To broaden the PFBC mutation spectrum, we examined nine members of a family with PFBC and two sporadic cases from clinical departments, and sequenced all PFBC-causative genes in the index case. Two novel frameshift mutations in SLC20A2 [NM_001257180.2; c.806delC, p.(Pro269Glnfs*49) and c.1154delG, p.(Ser385Ilefs*70)] and one novel splice donor site mutation (NM_002608.4, c.456+1G>C, r.436_456del) in PDGFB were identified in the patient cohort. c.806delC co-segregated with brain calcification and led to SLC20A2 haploinsufficiency among the affected family members. The c.456+1G>C mutation in PDGFB resulted in aberrant mRNA splicing, thereby forming mature transcripts containing an in-frame 21 base pair (bp) deletion, which might create a stably truncated protein [p.(Val146_Gln152del)] and exert a dominant negative effect on wild-type PDGFB. All three mutations were located in highly conserved regions among multiple species and predicted to be pathogenic, as evaluated by at least eight common genetic variation scoring systems. This study identified three novel mutations in SLC20A2 and PDGFB, which broadened and enriched the PFBC mutation spectrum.
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Affiliation(s)
- Yuqi Shen
- McKusick-Zhang Center for Genetic Medicine, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS&PUMC), Beijing, China
| | - Shi Shu
- McKusick-Zhang Center for Genetic Medicine, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS&PUMC), Beijing, China.,Department of Neurology, Peking Union Medical College Hospital (PUMCH), CAMS&PUMC, Beijing, China
| | - Yaqiong Ren
- McKusick-Zhang Center for Genetic Medicine, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS&PUMC), Beijing, China
| | - Weibo Xia
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, PUMCH, CAMS&PUMC, Beijing, China
| | - Jianhua Chen
- Department of Neurology, Peking Union Medical College Hospital (PUMCH), CAMS&PUMC, Beijing, China
| | - Liling Dong
- Department of Neurology, Peking Union Medical College Hospital (PUMCH), CAMS&PUMC, Beijing, China
| | - Haijun Ge
- McKusick-Zhang Center for Genetic Medicine, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS&PUMC), Beijing, China
| | - Shiqi Fan
- McKusick-Zhang Center for Genetic Medicine, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS&PUMC), Beijing, China
| | - Lei Shi
- McKusick-Zhang Center for Genetic Medicine, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS&PUMC), Beijing, China.,National Health Commission (NHC) and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, China
| | - Bin Peng
- Department of Neurology, Peking Union Medical College Hospital (PUMCH), CAMS&PUMC, Beijing, China
| | - Xue Zhang
- McKusick-Zhang Center for Genetic Medicine, State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS&PUMC), Beijing, China.,National Health Commission (NHC) and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, Harbin, China
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Saranza G, Grütz K, Klein C, Westenberger A, Lang AE. Primary brain calcification due to a homozygous MYORG mutation causing isolated paroxysmal kinesigenic dyskinesia. Brain 2020; 143:e36. [PMID: 32303062 DOI: 10.1093/brain/awaa086] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Affiliation(s)
- Gerard Saranza
- Edmond J. Safra Program in Parkinson's Disease and the Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Karen Grütz
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Christine Klein
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Ana Westenberger
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Anthony E Lang
- Edmond J. Safra Program in Parkinson's Disease and the Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, Toronto, Ontario, Canada.,Division of Neurology, Department of Medicine, University of Toronto, Toronto, Ontario, Canada
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Bauer M, Rahat D, Zisman E, Tabach Y, Lossos A, Meiner V, Arkadir D. MYORG Mutations: a Major Cause of Recessive Primary Familial Brain Calcification. Curr Neurol Neurosci Rep 2019; 19:70. [PMID: 31440850 DOI: 10.1007/s11910-019-0986-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
PURPOSE OF REVIEW Until recently, the gene associated with the recessive form of familial brain calcification (PFBC, Fahr disease) was unknown. MYORG, a gene that causes recessive PFBC was only recently discovered and is currently the only gene associated with a recessive form of this disease. Here, we review the radiological and clinical findings in adult MYORG mutation homozygous and heterozygous individuals. RECENT FINDINGS MYORG was shown to be the cause of a large fraction of recessive cases of PFBC in patients of different ethnic populations. Pathogenic mutations include inframe insertions and deletions in addition to nonsense and missense mutations that are distributed throughout the entire MYORG coding region. Homozygotes have extensive brain calcification in all known cases, whereas in some carriers of heterozygous mutation, punctuated calcification of the globus pallidus is demonstrated. The clinical spectrum in homozygotes ranges from the lack of neurological symptoms to severe progressive neurological syndrome with bulbar and cerebellar signs, parkinsonism and other movement disorders, and cognitive impairments. Heterozygotes are clinically asymptomatic. MYORG is a transmembrane protein localized to the endoplasmic reticulum and is mainly expressed in astrocytes. While the biochemical pathways of the protein are still unknown, information from its evolution profile across hundreds of species (phylogenetic profiling) suggests a role for MYORG in regulating ion homeostasis via its glycosidase domain. MYORG mutations are a major cause for recessive PFBC in different world populations. Future studies are required in order to reveal the cellular role of the MYORG protein.
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Affiliation(s)
- Max Bauer
- Department of Neurology, Hadassah Medical Center and the Hebrew University, POB 12000, 91120, Jerusalem, Israel
| | - Dolev Rahat
- Institute for Medical Research, Faculty of Medicine, Hebrew University, Jerusalem, Israel.,Department of Genetics and Metabolic Diseases, Hadassah Medical Center and the Hebrew University, Jerusalem, Israel
| | - Elad Zisman
- Institute for Medical Research, Faculty of Medicine, Hebrew University, Jerusalem, Israel
| | - Yuval Tabach
- Institute for Medical Research, Faculty of Medicine, Hebrew University, Jerusalem, Israel
| | - Alexander Lossos
- Department of Neurology, Hadassah Medical Center and the Hebrew University, POB 12000, 91120, Jerusalem, Israel
| | - Vardiella Meiner
- Department of Genetics and Metabolic Diseases, Hadassah Medical Center and the Hebrew University, Jerusalem, Israel
| | - David Arkadir
- Department of Neurology, Hadassah Medical Center and the Hebrew University, POB 12000, 91120, Jerusalem, Israel.
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