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Caraffi SG, van der Laan L, Rooney K, Trajkova S, Zuntini R, Relator R, Haghshenas S, Levy MA, Baldo C, Mandrile G, Lauzon C, Cordelli DM, Ivanovski I, Fetta A, Sukarova E, Brusco A, Pavinato L, Pullano V, Zollino M, McConkey H, Tartaglia M, Ferrero GB, Sadikovic B, Garavelli L. Identification of the DNA methylation signature of Mowat-Wilson syndrome. Eur J Hum Genet 2024; 32:619-629. [PMID: 38351292 PMCID: PMC11153515 DOI: 10.1038/s41431-024-01548-4] [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: 10/24/2023] [Revised: 01/10/2024] [Accepted: 01/18/2024] [Indexed: 06/07/2024] Open
Abstract
Mowat-Wilson syndrome (MOWS) is a rare congenital disease caused by haploinsufficiency of ZEB2, encoding a transcription factor required for neurodevelopment. MOWS is characterized by intellectual disability, epilepsy, typical facial phenotype and other anomalies, such as short stature, Hirschsprung disease, brain and heart defects. Despite some recognizable features, MOWS rarity and phenotypic variability may complicate its diagnosis, particularly in the neonatal period. In order to define a novel diagnostic biomarker for MOWS, we determined the genome-wide DNA methylation profile of DNA samples from 29 individuals with confirmed clinical and molecular diagnosis. Through multidimensional scaling and hierarchical clustering analysis, we identified and validated a DNA methylation signature involving 296 differentially methylated probes as part of the broader MOWS DNA methylation profile. The prevalence of hypomethylated CpG sites agrees with the main role of ZEB2 as a transcriptional repressor, while differential methylation within the ZEB2 locus supports the previously proposed autoregulation ability. Correlation studies compared the MOWS cohort with 56 previously described DNA methylation profiles of other neurodevelopmental disorders, further validating the specificity of this biomarker. In conclusion, MOWS DNA methylation signature is highly sensitive and reproducible, providing a useful tool to facilitate diagnosis.
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Grants
- MNESYS (PE0000006) Ministero dell'Istruzione, dell'Università e della Ricerca (Ministry of Education, University and Research)
- 20203P8C3X Ministero dell'Istruzione, dell'Università e della Ricerca (Ministry of Education, University and Research)
- FOE 2020 Ministero dell'Istruzione, dell'Università e della Ricerca (Ministry of Education, University and Research)
- RCR-2022-23682289 Ministero della Salute (Ministry of Health, Italy)
- PNRR-MR1-2022-12376811 Ministero della Salute (Ministry of Health, Italy)
- OGI-188 Ontario Genomics Institute (OGI)
- Ministero dell'Istruzione, dell'Università e della Ricerca (Ministry of Education, University and Research)
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Affiliation(s)
| | - Liselot van der Laan
- Department of Human Genetics, Amsterdam Reproduction & Development Research Institute, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands
| | - Kathleen Rooney
- Verspeeten Clinical Genome Centre, London Health Science Centre, London, ON, Canada
- Department of Pathology and Laboratory Medicine, Western University, London, ON, Canada
| | - Slavica Trajkova
- Department of Medical Sciences, University of Torino, Torino, Italy
- Molecular Biotechnology Center "Guido Tarone", University of Torino, 10126, Torino, Italy
| | - Roberta Zuntini
- Medical Genetics Unit, Azienda USL-IRCCS di Reggio Emilia, 42122, Reggio Emilia, Italy
| | - Raissa Relator
- Verspeeten Clinical Genome Centre, London Health Science Centre, London, ON, Canada
| | - Sadegheh Haghshenas
- Verspeeten Clinical Genome Centre, London Health Science Centre, London, ON, Canada
| | - Michael A Levy
- Verspeeten Clinical Genome Centre, London Health Science Centre, London, ON, Canada
| | - Chiara Baldo
- Laboratory of Human Genetics, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Giorgia Mandrile
- Medical Genetics Unit and Thalassemia Center, San Luigi University Hospital, University of Torino, 10043, Orbassano (Torino), Italy
| | - Carolyn Lauzon
- Verspeeten Clinical Genome Centre, London Health Science Centre, London, ON, Canada
| | - Duccio Maria Cordelli
- IRCCS Istituto delle Scienze Neurologiche di Bologna, UOC Neuropsichiatria dell'Età Pediatrica, 40139, Bologna, Italy
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40126, Bologna, Italy
| | - Ivan Ivanovski
- Institute of Medical Genetics, University of Zürich, Zürich, Switzerland
| | - Anna Fetta
- IRCCS Istituto delle Scienze Neurologiche di Bologna, UOC Neuropsichiatria dell'Età Pediatrica, 40139, Bologna, Italy
- Department of Medical and Surgical Sciences (DIMEC), University of Bologna, 40126, Bologna, Italy
| | - Elena Sukarova
- Department of Endocrinology and Genetics, University Clinic for Pediatric Diseases, Faculty of Medicine, Ss. Cyril and Methodius University in Skopje, 1000, Skopje, Republic of North Macedonia
| | - Alfredo Brusco
- Department of Medical Sciences, University of Torino, Torino, Italy
- Medical Genetics Unit, Città della Salute e della Scienza University Hospital, Torino, Italy
| | - Lisa Pavinato
- Department of Medical Sciences, University of Torino, Torino, Italy
- Molecular Biotechnology Center "Guido Tarone", University of Torino, 10126, Torino, Italy
| | - Verdiana Pullano
- Department of Medical Sciences, University of Torino, Torino, Italy
- Molecular Biotechnology Center "Guido Tarone", University of Torino, 10126, Torino, Italy
| | - Marcella Zollino
- Institute of Genomic Medicine, Department of Life Sciences and Public Health, 'Sacro Cuore' Catholic University of Rome, 00168, Rome, Italy
| | - Haley McConkey
- Verspeeten Clinical Genome Centre, London Health Science Centre, London, ON, Canada
- Department of Pathology and Laboratory Medicine, Western University, London, ON, Canada
| | - Marco Tartaglia
- Molecular Genetics and Functional Genomics, Ospedale Pediatrico Bambino Gesù, IRCCS, 00146, Rome, Italy
| | | | - Bekim Sadikovic
- Department of Human Genetics, Amsterdam Reproduction & Development Research Institute, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, The Netherlands.
- Verspeeten Clinical Genome Centre, London Health Science Centre, London, ON, Canada.
- Department of Pathology and Laboratory Medicine, Western University, London, ON, Canada.
| | - Livia Garavelli
- Medical Genetics Unit, Azienda USL-IRCCS di Reggio Emilia, 42122, Reggio Emilia, Italy.
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Nou-Fontanet L, Martí-Sánchez L, Martorell L, Casas J, Ortigoza-Escobar JD. Atypical Mowat-Wilson Syndrome: Dystonia, Choreoathetosis and Cognitive Features. Mov Disord Clin Pract 2024. [PMID: 38650363 DOI: 10.1002/mdc3.14050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 03/29/2024] [Indexed: 04/25/2024] Open
Affiliation(s)
- Laia Nou-Fontanet
- Pediatric Neurology Department, Hospital Sant Joan de Déu, Barcelona, Spain
| | - Laura Martí-Sánchez
- Department of Genetic and Molecular Medicine-IPER, Institut de Recerca Sant Joan de Déu, Barcelona, Spain
| | - Loreto Martorell
- Department of Genetic and Molecular Medicine-IPER, Institut de Recerca Sant Joan de Déu, Barcelona, Spain
| | - Jesús Casas
- Pediatric Neurology Department, Hospital Sant Joan de Déu, Barcelona, Spain
| | - Juan Darío Ortigoza-Escobar
- U-703 Centre for Biomedical Research on Rare Diseases (CIBER-ER), Instituto de Salud Carlos III, Barcelona, Spain
- Movement Disorders Unit, Pediatric Neurology Department, Institut de Recerca Hospital Sant Joan de Déu, Barcelona, Spain
- European Reference Network for Rare Neurological Diseases (ERN-RND), Barcelona, Spain
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3
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St. Peter C, Hossain WA, Lovell S, Rafi SK, Butler MG. Mowat-Wilson Syndrome: Case Report and Review of ZEB2 Gene Variant Types, Protein Defects and Molecular Interactions. Int J Mol Sci 2024; 25:2838. [PMID: 38474085 PMCID: PMC10932183 DOI: 10.3390/ijms25052838] [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: 11/21/2023] [Revised: 01/12/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
Mowat-Wilson syndrome (MWS) is a rare genetic neurodevelopmental congenital disorder associated with various defects of the zinc finger E-box binding homeobox 2 (ZEB2) gene. The ZEB2 gene is autosomal dominant and encodes six protein domains including the SMAD-binding protein, which functions as a transcriptional corepressor involved in the conversion of neuroepithelial cells in early brain development and as a mediator of trophoblast differentiation. This review summarizes reported ZEB2 gene variants, their types, and frequencies among the 10 exons of ZEB2. Additionally, we summarized their corresponding encoded protein defects including the most common variant, c.2083 C>T in exon 8, which directly impacts the homeodomain (HD) protein domain. This single defect was found in 11% of the 298 reported patients with MWS. This review demonstrates that exon 8 encodes at least three of the six protein domains and accounts for 66% (198/298) of the variants identified. More than 90% of the defects were due to nonsense or frameshift changes. We show examples of protein modeling changes that occurred as a result of ZEB2 gene defects. We also report a novel pathogenic variant in exon 8 in a 5-year-old female proband with MWS. This review further explores other genes predicted to be interacting with the ZEB2 gene and their predicted gene-gene molecular interactions with protein binding effects on embryonic multi-system development such as craniofacial, spine, brain, kidney, cardiovascular, and hematopoiesis.
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Affiliation(s)
- Caroline St. Peter
- Departments of Psychiatry & Behavioral Sciences and Pediatrics, University of Kansas Medical Center, 3901 Rainbow Blvd. MS 4015, Kansas City, KS 66160, USA; (C.S.P.); (W.A.H.); (S.K.R.)
| | - Waheeda A. Hossain
- Departments of Psychiatry & Behavioral Sciences and Pediatrics, University of Kansas Medical Center, 3901 Rainbow Blvd. MS 4015, Kansas City, KS 66160, USA; (C.S.P.); (W.A.H.); (S.K.R.)
| | - Scott Lovell
- Protein Structure Laboratory, University of Kansas, Lawrence, KS 66047, USA;
| | - Syed K. Rafi
- Departments of Psychiatry & Behavioral Sciences and Pediatrics, University of Kansas Medical Center, 3901 Rainbow Blvd. MS 4015, Kansas City, KS 66160, USA; (C.S.P.); (W.A.H.); (S.K.R.)
| | - Merlin G. Butler
- Departments of Psychiatry & Behavioral Sciences and Pediatrics, University of Kansas Medical Center, 3901 Rainbow Blvd. MS 4015, Kansas City, KS 66160, USA; (C.S.P.); (W.A.H.); (S.K.R.)
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4
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Dai D, Gu S, Han X, Ding H, Jiang Y, Zhang X, Yao C, Hong S, Zhang J, Shen Y, Hou G, Qu B, Zhou H, Qin Y, He Y, Ma J, Yin Z, Ye Z, Qian J, Jiang Q, Wu L, Guo Q, Chen S, Huang C, Kottyan LC, Weirauch MT, Vinuesa CG, Shen N. The transcription factor ZEB2 drives the formation of age-associated B cells. Science 2024; 383:413-421. [PMID: 38271512 PMCID: PMC7616037 DOI: 10.1126/science.adf8531] [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: 11/17/2022] [Accepted: 12/15/2023] [Indexed: 01/27/2024]
Abstract
Age-associated B cells (ABCs) accumulate during infection, aging, and autoimmunity, contributing to lupus pathogenesis. In this study, we screened for transcription factors driving ABC formation and found that zinc finger E-box binding homeobox 2 (ZEB2) is required for human and mouse ABC differentiation in vitro. ABCs are reduced in ZEB2 haploinsufficient individuals and in mice lacking Zeb2 in B cells. In mice with toll-like receptor 7 (TLR7)-driven lupus, ZEB2 is essential for ABC formation and autoimmune pathology. ZEB2 binds to +20-kb myocyte enhancer factor 2b (Mef2b)'s intronic enhancer, repressing MEF2B-mediated germinal center B cell differentiation and promoting ABC formation. ZEB2 also targets genes important for ABC specification and function, including Itgax. ZEB2-driven ABC differentiation requires JAK-STAT (Janus kinase-signal transducer and activator of transcription), and treatment with JAK1/3 inhibitor reduces ABC accumulation in autoimmune mice and patients. Thus, ZEB2 emerges as a driver of B cell autoimmunity.
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Affiliation(s)
- Dai Dai
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Centre for Personalised Immunology (CACPI), Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTUSM), Shanghai, China
| | - Shuangshuang Gu
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Xiaxia Han
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Huihua Ding
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Centre for Personalised Immunology (CACPI), Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTUSM), Shanghai, China
| | - Yang Jiang
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Xiaoou Zhang
- Shanghai Key Laboratory of Maternal and Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai, China
- Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Chao Yao
- Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Soonmin Hong
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Jinsong Zhang
- Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Yiwei Shen
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Guojun Hou
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Centre for Personalised Immunology (CACPI), Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTUSM), Shanghai, China
| | - Bo Qu
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Centre for Personalised Immunology (CACPI), Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTUSM), Shanghai, China
| | - Haibo Zhou
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Centre for Personalised Immunology (CACPI), Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTUSM), Shanghai, China
| | - Yuting Qin
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Centre for Personalised Immunology (CACPI), Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTUSM), Shanghai, China
| | - Yuke He
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Centre for Personalised Immunology (CACPI), Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTUSM), Shanghai, China
| | - Jianyang Ma
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Centre for Personalised Immunology (CACPI), Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTUSM), Shanghai, China
| | - Zhihua Yin
- Shenzhen Futian Hospital for Rheumatic Diseases, Shenzhen, China
| | - Zhizhong Ye
- Shenzhen Futian Hospital for Rheumatic Diseases, Shenzhen, China
| | - Jie Qian
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Qian Jiang
- Department of Medical Genetics, Capital Institute of Pediatrics, Beijing, China
| | - Lihua Wu
- Department of Medical Genetics, Capital Institute of Pediatrics, Beijing, China
| | - Qiang Guo
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Sheng Chen
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Chuanxin Huang
- Center for Immune-Related Diseases at Shanghai Institute of Immunology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Leah C. Kottyan
- Center of Autoimmune Genomics and Etiology, Division of Human Genetics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati, Cincinnati, Ohio, USA
| | - Matthew T. Weirauch
- Center of Autoimmune Genomics and Etiology, Division of Human Genetics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati, Cincinnati, Ohio, USA
| | - Carola G. Vinuesa
- Centre for Personalised Immunology (CACPI), Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTUSM), Shanghai, China
- Francis Crick Institute, London, UK
| | - Nan Shen
- Shanghai Institute of Rheumatology, Shanghai Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Centre for Personalised Immunology (CACPI), Renji Hospital, School of Medicine, Shanghai Jiao Tong University (SJTUSM), Shanghai, China
- Shenzhen Futian Hospital for Rheumatic Diseases, Shenzhen, China
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
- Center of Autoimmune Genomics and Etiology, Division of Human Genetics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati, Cincinnati, Ohio, USA
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5
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Larsen LA, Hitz MP. Human Genetics of Atrial Septal Defect. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1441:467-480. [PMID: 38884726 DOI: 10.1007/978-3-031-44087-8_24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2024]
Abstract
Although atrial septal defects (ASD) can be subdivided based on their anatomical location, an essential aspect of human genetics and genetic counseling is distinguishing between isolated and familiar cases without extracardiac features and syndromic cases with the co-occurrence of extracardiac abnormalities, such as developmental delay. Isolated or familial cases tend to show genetic alterations in genes related to important cardiac transcription factors and genes encoding for sarcomeric proteins. By contrast, the spectrum of genes with genetic alterations observed in syndromic cases is diverse. Currently, it points to different pathways and gene networks relevant to the dysregulation of cardiomyogenesis and ASD pathogenesis. Therefore, this chapter reflects the current knowledge and highlights stable associations observed in human genetics studies. It gives an overview of the different types of genetic alterations in these subtypes, including common associations based on genome-wide association studies (GWAS), and it highlights the most frequently observed syndromes associated with ASD pathogenesis.
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Affiliation(s)
- Lars A Larsen
- Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Marc-Phillip Hitz
- Institute of Medical Genetics, University Medicine Oldenburg, Oldenburg, Germany.
- Department for Paediatric Cardiology, University Hospital Kiel, Kiel, Germany.
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Suzuki Y, Nomura N, Yamada K, Yamada Y, Fukuda A, Hoshino K, Abe S, Kurosawa K, Inaba M, Mizuno S, Wakamatsu N, Hayashi S. Pathogenicity evaluation of variants of uncertain significance at exon-intron junction by splicing assay in patients with Mowat-Wilson syndrome. Eur J Med Genet 2023; 66:104882. [PMID: 37944854 DOI: 10.1016/j.ejmg.2023.104882] [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: 07/10/2023] [Revised: 10/20/2023] [Accepted: 11/02/2023] [Indexed: 11/12/2023]
Abstract
High-throughput sequencing has identified vast numbers of variants in genetic disorders. However, the significance of variants at the exon-intron junction remains controversial. Even though most cases of Mowat-Wilson syndrome (MOWS) are caused by heterozygous loss-of-function variants in ZEB2, the pathogenicity of variants at exon-intron junction is often indeterminable. We identified four intronic variants in 5/173 patients with clinical suspicion for MOWS, and evaluated their pathogenicity by in vitro analyses. The minigene analysis showed that c.73+2T>G caused most of the transcripts skipping exon 2, while c.916+6T>G led to partial skipping of exon 7. No splicing abnormalities were detected in both c.917-21T>C and c.3067+6A>T. The minigene analysis reproduced the splicing observed in the blood cells of the patient with c.73+2T>G. The degree of the exon skipping was concordant with the severity of MOWS; while the patient with c.73+2T>G was typical MOWS, the patient with c.916+6T>G showed milder phenotype which has been seldom reported. Our results demonstrate that mRNA splicing assays using the minigenes are valuable for determining the clinical significance of intronic variants in patients with not only MOWS but also other genetic diseases with splicing aberrations and may explain atypical or milder cases, such as the current patient.
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Affiliation(s)
- Yasuyo Suzuki
- Department of Genetics, Institute for Developmental Research, Aichi Developmental Disability Center, Kasugai, Aichi, Japan
| | - Noriko Nomura
- Department of Genetics, Institute for Developmental Research, Aichi Developmental Disability Center, Kasugai, Aichi, Japan
| | - Kenichiro Yamada
- Department of Genetics, Institute for Developmental Research, Aichi Developmental Disability Center, Kasugai, Aichi, Japan
| | - Yasukazu Yamada
- Department of Genetics, Institute for Developmental Research, Aichi Developmental Disability Center, Kasugai, Aichi, Japan
| | - Ayumi Fukuda
- Department of Pediatrics, Nihon University Itabashi Hospital, Itabashi, Tokyo, Japan
| | - Kyoko Hoshino
- Segawa Memorial Neurological Clinic for Children, Chiyoda, Tokyo, Japan
| | - Shinpei Abe
- Department of Pediatrics, Juntendo University, Faculty of Medicine, Bunkyo, Tokyo, Japan
| | - Kenji Kurosawa
- Division of Medical Genetics, Kanagawa Children's Medical Center, Yokohama, Kanagawa, Japan
| | - Mie Inaba
- Department of Pediatrics, Central Hospital, Aichi Developmental Disability Center, Kasugai, Aichi, Japan
| | - Seiji Mizuno
- Department of Pediatrics, Central Hospital, Aichi Developmental Disability Center, Kasugai, Aichi, Japan
| | - Nobuaki Wakamatsu
- Department of Genetics, Institute for Developmental Research, Aichi Developmental Disability Center, Kasugai, Aichi, Japan; Department of Pathology and Host Defense, Faculty of Medicine, Kagawa University, Takamatsu, Kagawa, Japan
| | - Shin Hayashi
- Department of Genetics, Institute for Developmental Research, Aichi Developmental Disability Center, Kasugai, Aichi, Japan.
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7
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Charney RM, Prasad MS, Juan-Sing C, Patel LJ, Hernandez JC, Wu J, García-Castro MI. Mowat-Wilson syndrome factor ZEB2 controls early formation of human neural crest through BMP signaling modulation. Stem Cell Reports 2023; 18:2254-2267. [PMID: 37890485 PMCID: PMC10679662 DOI: 10.1016/j.stemcr.2023.10.002] [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: 11/21/2021] [Revised: 09/30/2023] [Accepted: 10/02/2023] [Indexed: 10/29/2023] Open
Abstract
Mowat-Wilson syndrome is caused by mutations in ZEB2, with patients exhibiting characteristics indicative of neural crest (NC) defects. We examined the contribution of ZEB2 to human NC formation using a model based on human embryonic stem cells. We found ZEB2 to be one of the earliest factors expressed in prospective human NC, and knockdown revealed a role for ZEB2 in establishing the NC state while repressing pre-placodal and non-neural ectoderm genes. Examination of ZEB2 N-terminal mutant NC cells demonstrates its requirement for the repression of enhancers in the NC gene network and proper NC cell terminal differentiation into osteoblasts and peripheral neurons and neuroglia. This ZEB2 mutation causes early misexpression of BMP signaling ligands, which can be rescued by the attenuation of BMP. Our findings suggest that ZEB2 regulates early human NC specification by modulating proper BMP signaling and further elaborate the molecular defects underlying Mowat-Wilson syndrome.
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Affiliation(s)
- Rebekah M Charney
- Division of Biomedical Sciences, University of California, Riverside, Riverside, CA, USA.
| | - Maneeshi S Prasad
- Division of Biomedical Sciences, University of California, Riverside, Riverside, CA, USA
| | - Czarina Juan-Sing
- Division of Biomedical Sciences, University of California, Riverside, Riverside, CA, USA
| | - Lipsa J Patel
- Division of Biomedical Sciences, University of California, Riverside, Riverside, CA, USA
| | - Jacqueline C Hernandez
- Division of Biomedical Sciences, University of California, Riverside, Riverside, CA, USA
| | - Jie Wu
- Department of Biological Chemistry, University of California, Irvine, Irvine, CA, USA
| | - Martín I García-Castro
- Division of Biomedical Sciences, University of California, Riverside, Riverside, CA, USA.
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8
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Kovács T, Halasy V, Pethő C, Szőcs E, Soós Á, Dóra D, de Santa Barbara P, Faure S, Stavely R, Goldstein AM, Nagy N. Essential Role of BMP4 Signaling in the Avian Ceca in Colorectal Enteric Nervous System Development. Int J Mol Sci 2023; 24:15664. [PMID: 37958648 PMCID: PMC10650322 DOI: 10.3390/ijms242115664] [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: 08/31/2023] [Revised: 10/23/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
The enteric nervous system (ENS) is principally derived from vagal neural crest cells that migrate caudally along the entire length of the gastrointestinal tract, giving rise to neurons and glial cells in two ganglionated plexuses. Incomplete migration of enteric neural crest-derived cells (ENCDC) leads to Hirschsprung disease, a congenital disorder characterized by the absence of enteric ganglia along variable lengths of the colorectum. Our previous work strongly supported the essential role of the avian ceca, present at the junction of the midgut and hindgut, in hindgut ENS development, since ablation of the cecal buds led to incomplete ENCDC colonization of the hindgut. In situ hybridization shows bone morphogenetic protein-4 (BMP4) is highly expressed in the cecal mesenchyme, leading us to hypothesize that cecal BMP4 is required for hindgut ENS development. To test this, we modulated BMP4 activity using embryonic intestinal organ culture techniques and retroviral infection. We show that overexpression or inhibition of BMP4 in the ceca disrupts hindgut ENS development, with GDNF playing an important regulatory role. Our results suggest that these two important signaling pathways are required for normal ENCDC migration and enteric ganglion formation in the developing hindgut ENS.
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Affiliation(s)
- Tamás Kovács
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, 1094 Budapest, Hungary; (T.K.); (E.S.); (Á.S.); (D.D.)
| | - Viktória Halasy
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, 1094 Budapest, Hungary; (T.K.); (E.S.); (Á.S.); (D.D.)
| | - Csongor Pethő
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, 1094 Budapest, Hungary; (T.K.); (E.S.); (Á.S.); (D.D.)
| | - Emőke Szőcs
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, 1094 Budapest, Hungary; (T.K.); (E.S.); (Á.S.); (D.D.)
| | - Ádám Soós
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, 1094 Budapest, Hungary; (T.K.); (E.S.); (Á.S.); (D.D.)
| | - Dávid Dóra
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, 1094 Budapest, Hungary; (T.K.); (E.S.); (Á.S.); (D.D.)
| | - Pascal de Santa Barbara
- PhyMedExp, University of Montpellier, INSERM, CNRS, 34295 Montpellier, France; (P.d.S.B.); (S.F.)
| | - Sandrine Faure
- PhyMedExp, University of Montpellier, INSERM, CNRS, 34295 Montpellier, France; (P.d.S.B.); (S.F.)
| | - Rhian Stavely
- Pediatric Surgery Research Laboratories, Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA; (R.S.); (A.M.G.)
| | - Allan M. Goldstein
- Pediatric Surgery Research Laboratories, Department of Pediatric Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA; (R.S.); (A.M.G.)
| | - Nándor Nagy
- Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, 1094 Budapest, Hungary; (T.K.); (E.S.); (Á.S.); (D.D.)
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9
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Liu WL, Li F, Chen W, Liu L, Cheng HJ, He ZX, Ai R. "Liu-Liang-Chung" syndrome with multiple congenital anomalies and the distinctive craniofacial features caused by dominant ZEB2 gene gain mutation. BMC Pediatr 2023; 23:480. [PMID: 37735378 PMCID: PMC10512491 DOI: 10.1186/s12887-023-04314-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 09/14/2023] [Indexed: 09/23/2023] Open
Abstract
BACKGROUND Contiguous gene gain syndrome including entire ZEB2 may be a novel syndrome. In the past, there were no easily distinct and recognizable features as a guide for precise clinical and genetic diagnosis of the syndrome. CASE PRESENTATION We report a novel case with the syndrome with a novel de novo 22.16 Mb duplication at 2q21.2-q24.1. The syndrome is characterized by multiple anomalies including the same typical craniofacial phenotype that is entirely different from Mowat-Wilson syndrome (MWS), and other quite similar features of MWS consisting of development delay, congenital heart disease, abdominal abnormalities, urogenital abnormalities, behavioral problems and so on, in which the distinctive craniofacial features can be more easily recognized. CONCLUSIONS Contiguous gene gain syndrome including entire ZEB2 characterized with similar multiple congenital anomalies of MWS and the distinctive craniofacial features is mainly caused by large 2q22 repeats including ZEB2 leading to dominant singe ZEB2 gene gain mutation, which is recommended to be named "Liu-Liang-Chung" syndrome. We diagnose this novel syndrome to distinguish it from MWS. Some variable additional features in the syndrome including remarkable growth and development retardation and protruding ears were recognized for the first time.
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Affiliation(s)
- Wei-Liang Liu
- Department of Pediatrics, Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China.
| | - Fang Li
- Department of Ophthalmology, Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Wei Chen
- Department of Ophthalmology, Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Lu Liu
- Department of Ophthalmology, Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Hai-Jian Cheng
- Beijing Kangso Medical Laboratory Co., Ltd, Beijing, 100195, China
| | - Zhi-Xu He
- Department of Pediatrics, Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
| | - Rong Ai
- Department of Pediatrics, Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, China
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10
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Han X, Zhang Q, Wang C, Han B. Clinical Characteristics and Novel ZEB2 Gene Mutation Analysis of Three Chinese Patients with Mowat-Wilson Syndrome. Pharmgenomics Pers Med 2023; 16:777-783. [PMID: 37641719 PMCID: PMC10460601 DOI: 10.2147/pgpm.s414161] [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: 04/25/2023] [Accepted: 08/11/2023] [Indexed: 08/31/2023] Open
Abstract
Purpose Mowat-Wilson syndrome (MWS) is an autosomal dominant disease caused by a pathogenic variant of the ZEB2 gene. The main clinical manifestations include special facial features, Hirschsprung disease (HSCR), global developmental delay and other congenital malformations. Here, we summarize the clinical characteristics and genetic mutation analysis of three Chinese patients with MWS. Patients and Methods The clinical characteristics of the patients were monitored and the treatment effect was followed up. DNA was extracted from peripheral blood and analyzed by sequencing. Whole exome sequencing was then performed. Results Three novel ZEB2 gene mutations were identified in 3 patients (c.1147_1150dupGAAC, p.Q384Rfs*7, c.1137_1146del TAGTATGTCT, p.S380Nfs *13 and c.2718delT, p.A907Lfs*23). They all had special facial features, intellectual disability, developmental delay, microcephaly, structural brain abnormalities and other symptoms. After long-term regular rehabilitation treatment, the development quotient of each functional area of the patient was slightly improved. Conclusion Our study expanded the mutation spectrum of ZEB2 and enriched our understanding of the clinical features of MWS. It also shows that long-term standardized treatment is of great significance for the prognosis of patients.
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Affiliation(s)
- Xiao Han
- Department of Pediatrics, Jining First People’s Hospital, Jining, Shandong, 272011, People’s Republic of China
| | - Qianjuan Zhang
- Department of Children’s Medical Rehabilitation Center, Jinan Maternity and Child Care Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250001, People’s Republic of China
| | - Chengcheng Wang
- Department of Pediatric Surgery, Jining First People’s Hospital, Jining, Shandong, 272011, People’s Republic of China
| | - Bingjuan Han
- Department of Children’s Health Prevention, The Second Children & Women’s Healthcare of Jinan City, Jinan, Shandong, 271100, People’s Republic of China
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11
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Radhakrishnan K, Truong L, Carmichael CL. An "unexpected" role for EMT transcription factors in hematological development and malignancy. Front Immunol 2023; 14:1207360. [PMID: 37600794 PMCID: PMC10435889 DOI: 10.3389/fimmu.2023.1207360] [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: 04/17/2023] [Accepted: 07/14/2023] [Indexed: 08/22/2023] Open
Abstract
The epithelial to mesenchymal transition (EMT) is a fundamental developmental process essential for normal embryonic development. It is also important during various pathogenic processes including fibrosis, wound healing and epithelial cancer cell metastasis and invasion. EMT is regulated by a variety of cell signalling pathways, cell-cell interactions and microenvironmental cues, however the key drivers of EMT are transcription factors of the ZEB, TWIST and SNAIL families. Recently, novel and unexpected roles for these EMT transcription factors (EMT-TFs) during normal blood cell development have emerged, which appear to be largely independent of classical EMT processes. Furthermore, EMT-TFs have also begun to be implicated in the development and pathogenesis of malignant hematological diseases such as leukemia and lymphoma, and now present themselves or the pathways they regulate as possible new therapeutic targets within these malignancies. In this review, we discuss the ZEB, TWIST and SNAIL families of EMT-TFs, focusing on what is known about their normal roles during hematopoiesis as well as the emerging and "unexpected" contribution they play during development and progression of blood cancers.
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Affiliation(s)
- Karthika Radhakrishnan
- Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, VIC, Australia
| | - Lynda Truong
- Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, VIC, Australia
| | - Catherine L. Carmichael
- Centre for Cancer Research, Hudson Institute of Medical Research, Clayton, VIC, Australia
- Monash University, Faculty of Medicine, Nursing and Health Sciences, Clayton, VIC, Australia
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12
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Güleray Lafcı N, Karaosmanoglu B, Taskiran EZ, Simsek-Kiper PO, Utine GE. Mutated Transcripts of ZEB2 Do Not Undergo Nonsense-Mediated Decay in Mowat-Wilson Syndrome. Mol Syndromol 2023; 14:258-265. [PMID: 37323203 PMCID: PMC10267494 DOI: 10.1159/000528769] [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: 07/27/2021] [Accepted: 12/16/2022] [Indexed: 12/03/2023] Open
Abstract
Introduction Mowat-Wilson syndrome (MWS) is an autosomal-dominant complex developmental disorder characterized by distinctive facial appearance, intellectual disability, epilepsy, and various clinically heterogeneous abnormalities reminiscent of neurocristopathies. MWS is caused by haploinsufficiency of ZEB2 due to heterozygous point mutations and copy number variations. Case Presentation We report on two unrelated affected individuals with novel ZEB2indel mutations, molecularly confirming the diagnosis of MWS. Quantitative real-time polymerase chain reaction (PCR) for the comparison of total transcript levels and allele-specific quantitative real-time PCR were also performed and demonstrated that the truncating mutations did not lead to nonsense-mediated decay as expected. Conclusion ZEB2 encodes a multifunctional pleiotropic protein. Novel mutations in ZEB2 should be reported in order that genotype-phenotype correlations might be established in this clinically heterogeneous syndrome. Further cDNA and protein studies may help elucidate the underlying pathogenetic mechanisms of MWS since nonsense-mediated RNA decay was found to be absent in only a few studies including this study.
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Affiliation(s)
- Naz Güleray Lafcı
- Department of Medical Genetics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Beren Karaosmanoglu
- Department of Medical Genetics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Ekim Z. Taskiran
- Department of Medical Genetics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Pelin Ozlem Simsek-Kiper
- Department of Pediatric Genetics, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Gülen Eda Utine
- Department of Pediatric Genetics, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
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13
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Birkhoff JC, Korporaal AL, Brouwer RWW, Nowosad K, Milazzo C, Mouratidou L, van den Hout MCGN, van IJcken WFJ, Huylebroeck D, Conidi A. Zeb2 DNA-Binding Sites in Neuroprogenitor Cells Reveal Autoregulation and Affirm Neurodevelopmental Defects, Including in Mowat-Wilson Syndrome. Genes (Basel) 2023; 14:genes14030629. [PMID: 36980900 PMCID: PMC10048071 DOI: 10.3390/genes14030629] [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: 01/20/2023] [Revised: 02/16/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023] Open
Abstract
Functional perturbation and action mechanism studies have shown that the transcription factor Zeb2 controls cell fate decisions, differentiation, and/or maturation in multiple cell lineages in embryos and after birth. In cultured embryonic stem cells (ESCs), Zeb2’s mRNA/protein upregulation is necessary for the exit from primed pluripotency and for entering general and neural differentiation. We edited mouse ESCs to produce Flag-V5 epitope-tagged Zeb2 protein from one endogenous allele. Using chromatin immunoprecipitation coupled with sequencing (ChIP-seq), we mapped 2432 DNA-binding sites for this tagged Zeb2 in ESC-derived neuroprogenitor cells (NPCs). A new, major binding site maps promoter-proximal to Zeb2 itself. The homozygous deletion of this site demonstrates that autoregulation of Zeb2 is necessary to elicit the appropriate Zeb2-dependent effects in ESC-to-NPC differentiation. We have also cross-referenced all the mapped Zeb2 binding sites with previously obtained transcriptome data from Zeb2 perturbations in ESC-derived NPCs, GABAergic interneurons from the ventral forebrain of mouse embryos, and stem/progenitor cells from the post-natal ventricular-subventricular zone (V-SVZ) in mouse forebrain, respectively. Despite the different characteristics of each of these neurogenic systems, we found interesting target gene overlaps. In addition, our study also contributes to explaining developmental disorders, including Mowat-Wilson syndrome caused by ZEB2 deficiency, and also other monogenic syndromes.
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Affiliation(s)
- Judith C. Birkhoff
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | - Anne L. Korporaal
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | - Rutger W. W. Brouwer
- Center for Biomics-Genomics, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | - Karol Nowosad
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
- Department of Biochemistry and Molecular Biology, Medical University of Lublin, 20-093 Lublin, Poland
- The Postgraduate School of Molecular Medicine, Medical University of Warsaw, 02-091 Warsaw, Poland
| | - Claudia Milazzo
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | - Lidia Mouratidou
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | | | - Wilfred F. J. van IJcken
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
- Center for Biomics-Genomics, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
| | - Danny Huylebroeck
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
- Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
| | - Andrea Conidi
- Department of Cell Biology, Erasmus University Medical Center, 3015 Rotterdam, The Netherlands
- Correspondence: ; Tel.: +31-10-7043169
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14
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Abstract
Hirschsprung's disease (HSCR) is a classical model of enteric neuropathy, occurring in approximately 2-2.8 in 10,000 newborns. It is the commonest form of congenital bowel obstruction and is characterized by the absence of enteric ganglia in distal colon. Recent advances in genome-wide association analysis (GWAS) and next generation sequencing (NGS) studies have led to the discovery of a number of new HSCR candidate genes, thereby providing new insights into the genetic architecture and molecular mechanisms of the disease. Altogether, these findings indicated that genetic heterogeneity, variable penetrance and expressivity, and genetic interaction are the pervasive characteristics of HSCR genetics. In this review, we will provide an update on the genetic landscape of HSCR and discuss how the common and rare variants may act together to modulate the phenotypic manifestation. Translating the genetic findings to genetic risk prediction and to optimize clinical outcomes are undoubtedly the ultimate goals for genetic studies on HSCR. From this perspective, we will further discuss the major obstacles in the clinical translation of these latest genetic findings. Lastly, new measures to address these clinical challenges are suggested to advance precision medicine and to develop novel alternative therapies.
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Affiliation(s)
- Clara Sze-Man Tang
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China. .,Li Dak-Sum Research Centre, The University of Hong Kong-Karolinska Institute Collaboration in Regenerative Medicine, Hong Kong SAR, China. .,Division of Paediatric Surgery, Department of Surgery, Queen Mary Hospital, The University of Hong Kong, 102 Pokfulam Road, Hong Kong, China.
| | - Anwarul Karim
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Yuanxin Zhong
- Department of Psychiatry, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Patrick Ho-Yu Chung
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Paul Kwong-Hang Tam
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China. .,Faculty of Medicine, Macau University of Science and Technology, Macao, China.
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15
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Kumar S, Fan X, Rasouly HM, Sharma R, Salant DJ, Lu W. ZEB2 controls kidney stromal progenitor differentiation and inhibits abnormal myofibroblast expansion and kidney fibrosis. JCI Insight 2023; 8:e158418. [PMID: 36445780 PMCID: PMC9870089 DOI: 10.1172/jci.insight.158418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 11/21/2022] [Indexed: 11/30/2022] Open
Abstract
FOXD1+ cell-derived stromal cells give rise to pericytes and fibroblasts that support the kidney vasculature and interstitium but are also major precursors of myofibroblasts. ZEB2 is a SMAD-interacting transcription factor that is expressed in developing kidney stromal progenitors. Here we show that Zeb2 is essential for normal FOXD1+ stromal progenitor development. Specific conditional knockout of mouse Zeb2 in FOXD1+ stromal progenitors (Zeb2 cKO) leads to abnormal interstitial stromal cell development, differentiation, and kidney fibrosis. Immunofluorescent staining analyses revealed abnormal expression of interstitial stromal cell markers MEIS1/2/3, CDKN1C, and CSPG4 (NG2) in newborn and 3-week-old Zeb2-cKO mouse kidneys. Zeb2-deficient FOXD1+ stromal progenitors also took on a myofibroblast fate that led to kidney fibrosis and kidney failure. Cell marker studies further confirmed that these myofibroblasts expressed pericyte and resident fibroblast markers, including PDGFRβ, CSPG4, desmin, GLI1, and NT5E. Notably, increased interstitial collagen deposition associated with loss of Zeb2 in FOXD1+ stromal progenitors was accompanied by increased expression of activated SMAD1/5/8, SMAD2/3, SMAD4, and AXIN2. Thus, our study identifies a key role of ZEB2 in maintaining the cell fate of FOXD1+ stromal progenitors during kidney development, whereas loss of ZEB2 leads to differentiation of FOXD1+ stromal progenitors into myofibroblasts and kidney fibrosis.
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16
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Hieu HT, Tanaka M, Kuwamura M, Mashimo T, Serikawa T, Kuramoto T. The rat Downunder (Du) coat color mutation is associated with eye anomalies and embryonic lethality and maps to a 3.9-Mb region on chromosome 3. Exp Anim 2023; 72:88-94. [PMID: 36123037 PMCID: PMC9978131 DOI: 10.1538/expanim.22-0086] [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] [Indexed: 11/04/2022] Open
Abstract
Rodent coat color genes have been studied as a bioresource to understand developmental and cellular processes. The Downunder rat is a fancy variety with a marking on its belly that runs from the neck to the breech and appears to mirror the dorsal hooded marking. Here, we established a congenic strain carrying the Downunder (Du) gene in an F344 genetic background. In addition to the ventral marking, Du/+ rats exhibit anophthalmia or microphthalmia with incomplete penetrance. Du/Du embryos die in the early stages of organogenesis. Genetic linkage analysis mapped the Du gene to rat chromosome 3 and haplotype mapping with congenic rats localized the Du locus to a 3.9-Mb region. The Du locus includes two functional genes, glycosyltransferase-like domain-containing 1 (Gtdc1) and zinc finger E-box binding homeobox 2 (Zeb2). Although we found no functional variation within any of Zeb2's exons or intron-exon boundaries, Zeb2 mRNA levels were significantly lower in Du/+ rats compared with wild-type rats. It is known that melanocyte-specific Zeb2 deletion results in the congenital loss of hair pigmentation in mice. Taken together, our results indicate that the Du mutation exerts pleiotropic effects on hair pigmentation, eye morphology, and development. Moreover, the Zeb2 gene is a strong candidate for the Du mutation.
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Affiliation(s)
- Hoang Trung Hieu
- Department of Animal Science, Faculty of Agriculture, Tokyo University of Agriculture, 1737 Funako, Atsugi, Kanagawa 243-0034, Japan
| | - Miyuu Tanaka
- Laboratory of Veterinary Pathology, Graduate School of Veterinary Science, Osaka Metropolitan University, 1-58 Rinku-ourai-kita, Izumisano, Osaka 598-8531,
Japan
| | - Mitsuru Kuwamura
- Laboratory of Veterinary Pathology, Graduate School of Veterinary Science, Osaka Metropolitan University, 1-58 Rinku-ourai-kita, Izumisano, Osaka 598-8531,
Japan
| | - Tomoji Mashimo
- Institute of Laboratory Animals, Graduate School of Medicine, Kyoto University, Yoshidakonoe-cho, Sakyo-ku, Kyoto 606-8501, Japan,Division of Animal Genetics, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Tadao Serikawa
- Institute of Laboratory Animals, Graduate School of Medicine, Kyoto University, Yoshidakonoe-cho, Sakyo-ku, Kyoto 606-8501, Japan,Kyoto Disease Model Institute, The Kyoto Technoscience Center, 14 Yoshida-kawara-cho, Sakyo-ku, Kyoto 606-8305, Japan
| | - Takashi Kuramoto
- Department of Animal Science, Faculty of Agriculture, Tokyo University of Agriculture, 1737 Funako, Atsugi, Kanagawa 243-0034, Japan,Institute of Laboratory Animals, Graduate School of Medicine, Kyoto University, Yoshidakonoe-cho, Sakyo-ku, Kyoto 606-8501, Japan
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17
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Post-Translational Modification of ZEB Family Members in Cancer Progression. Int J Mol Sci 2022; 23:ijms232315127. [PMID: 36499447 PMCID: PMC9737314 DOI: 10.3390/ijms232315127] [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: 10/30/2022] [Revised: 11/23/2022] [Accepted: 11/25/2022] [Indexed: 12/03/2022] Open
Abstract
Post-translational modification (PTM), the essential regulatory mechanisms of proteins, play essential roles in physiological and pathological processes. In addition, PTM functions in tumour development and progression. Zinc finger E-box binding homeobox (ZEB) family homeodomain transcription factors, such as ZEB1 and ZEB2, play a pivotal role in tumour progression and metastasis by induction epithelial-mesenchymal transition (EMT), with activation of stem cell traits, immune evasion and epigenetic reprogramming. However, the relationship between ZEB family members' post-translational modification (PTM) and tumourigenesis remains largely unknown. Therefore, we focussed on the PTM of ZEBs and potential therapeutic approaches in cancer progression. This review provides an overview of the diverse functions of ZEBs in cancer and the mechanisms and therapeutic implications that target ZEB family members' PTMs.
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18
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Liu F, Wu Y, Li Z, Wan R. Identification of MMACHC and ZEB2 mutations causing coexistent cobalamin C disease and Mowat-Wilson syndrome in a 2-year-old girl. Clin Chim Acta 2022; 533:31-39. [PMID: 35709987 DOI: 10.1016/j.cca.2022.06.004] [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: 03/06/2022] [Revised: 05/29/2022] [Accepted: 06/03/2022] [Indexed: 11/26/2022]
Abstract
Cobalamin C (cblC) disease and Mowat-Wilson syndrome (MWS) are rare hereditary diseases. To date, there have been no reports of people suffering from these two genetic diseases, or whether there is any correlation between the two diseases. We reported a 2-year-old girl with both cblC disease and MWS. The patient initially manifested as slow weight gain, hypotonia, broad nasal bridge, high forehead, high palate arch, ear crease, patent ductus arteriosus, atrial and ventricular septal defect and bilateral mild ventriculomegaly in the neonatal period. However, as the baby grew older, the typical facial features became more prominent, and overall developmental delays were noted at the subsequent follow-up, with the motor and cognitive development significantly lagging behind that of other children of the same age. At 26 days old, laboratory tests revealed remarkably elevated levels of serum homocysteine, C3/C2 and urine organic acid. Whole-exome sequencing detected compound heterozygous variants in MMACHC, including one previously reported mutation [c.609G > A (p.W203X) and a novel missense mutation[ c.643 T > C (p.Y215H)]. The computer simulations of the protein structure analysis of the novel missense mutation showed the variant p.Y215H replaced a neutral amino acid with a strongly basic lysine, which broken the local structure by changing the carbon chain skeleton and decreasing the interaction with adjacent amino acid. This is expected to damage the utilization of vitamin B12 and influence the synthesis of AdoCbl and MeCbl, contributing to its pathogenicity. Thus, clinical and genetic examinations confirmed the cblC disease. Another heterozygous variant in ZEB2 [NM_014795; loss1(exon:2-10)(all); 127901 bp] was detected by whole-exome sequencing. The heterozygous 3.04 Mb deletion in EB2 [GRCH37]del(2)(q22.2q22.3) (chr2:142237964-145274917) was also confirmed by genome-wide copy number variations (CNVs) scan, which was pathogenic and led to the diagnosis of Mowat-Wilson syndrome. The biochemical indicators associated with cblC disease in the patient were well controlled after treatment with vitamin B12 and betaine. Here, a patient with coexisting cblC disease and MWS caused by different pathogenic genes was reported, which enriched the clinical research on these two rare genetic diseases.
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Affiliation(s)
- Fang Liu
- Department of Pediatrics, the 980th Hospital of the People's Liberation Army Joint Service Support Force (Bethune International Peace Hospital), Shijiazhuang 050082, Hebei, China.
| | - Yuanyuan Wu
- Department of Genetics and Reproduction, the 980th Hospital of the People's Liberation Army Joint Service Support Force (Bethune International Peace Hospital), Shijiazhuang 050082, Hebei, China
| | - Zhi Li
- Department of Pediatrics, the 980th Hospital of the People's Liberation Army Joint Service Support Force (Bethune International Peace Hospital), Shijiazhuang 050082, Hebei, China
| | - Ruihua Wan
- Department of Pediatrics, the 980th Hospital of the People's Liberation Army Joint Service Support Force (Bethune International Peace Hospital), Shijiazhuang 050082, Hebei, China
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19
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Fu Y, Xu W, Wang Q, Lin Y, He P, Liu Y, Yuan H. Three Novel De Novo ZEB2 Variants Identified in Three Unrelated Chinese Patients With Mowat-Wilson Syndrome and A Systematic Review. Front Genet 2022; 13:853183. [PMID: 35646055 PMCID: PMC9134118 DOI: 10.3389/fgene.2022.853183] [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: 01/12/2022] [Accepted: 03/17/2022] [Indexed: 11/13/2022] Open
Abstract
Background: ZEB2 gene mutations or deletions cause Mowat-Wilson syndrome (MWS), which is characterized by distinctive facial features, global developmental delay, intellectual disability, epilepsy, friendly and happy personalities, congenital heart disease, Hirschsprung disease and multiple congenital anomalies. Currently, more than 300 MWS patients have been described in the literature, and nearly 280 variants in ZEB2 have been identified. Methods: In this study, we report three unrelated Chinese patients presenting multiple congenital anomalies that were consistent with those of MWS. Whole-exome sequencing (WES) was used to identify the causative variants. Results: WES identified two novel de novo frameshift variants in ZEB2 (NM_014795.4:c.2136delC, p. Lys713Serfs*3 and c.2740delG, p. Gln914Argfs*16) in patients 1 and 2, respectively, and a novel de novo splicing variant in ZEB2 (NM_014795.4:c.808-2delA) in patient 3, all of which were confirmed by Sanger sequencing. Next, we systematically reviewed the clinical characteristics of Chinese and Caucasian MWS patients. We revealed a higher incidence of constipation in Chinese MWS patients compared to that previously reported in Caucasian cohorts, while the incidence of Hirschsprung disease and happy demeanor was lower in Chinese MWS patients and that epilepsy in Chinese MWS patients could be well-controlled compared to that in Caucasian MWS individuals. Conclusion: Our study expanded the mutation spectrum of ZEB2 and enriched our understanding of the clinical characteristics of MWS. Definitive genetic diagnosis is beneficial for the genetic counseling and clinical management of individuals with MWS.
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Affiliation(s)
- Youqing Fu
- Affiliated Dongguan Maternal and Child Health Care Hospital, Southern Medical University, Dongguan, China
| | - Wanfang Xu
- Affiliated Dongguan Maternal and Child Health Care Hospital, Southern Medical University, Dongguan, China
| | - Qingming Wang
- Affiliated Dongguan Maternal and Child Health Care Hospital, Southern Medical University, Dongguan, China
- Dongguan Institute of Reproductive and Genetic Research, Dongguan, China
| | - Yangyang Lin
- Affiliated Dongguan Maternal and Child Health Care Hospital, Southern Medical University, Dongguan, China
| | - Peiqing He
- Affiliated Dongguan Maternal and Child Health Care Hospital, Southern Medical University, Dongguan, China
- Dongguan Institute of Reproductive and Genetic Research, Dongguan, China
| | - Yanhui Liu
- Affiliated Dongguan Maternal and Child Health Care Hospital, Southern Medical University, Dongguan, China
- Dongguan Institute of Reproductive and Genetic Research, Dongguan, China
| | - Haiming Yuan
- Affiliated Dongguan Maternal and Child Health Care Hospital, Southern Medical University, Dongguan, China
- Dongguan Institute of Reproductive and Genetic Research, Dongguan, China
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Mueller JL, Goldstein AM. The science of Hirschsprung disease: What we know and where we are headed. Semin Pediatr Surg 2022; 31:151157. [PMID: 35690468 DOI: 10.1016/j.sempedsurg.2022.151157] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The enteric nervous system (ENS) is a rich network of neurons and glial cells that comprise the gastrointestinal tract's intrinsic nervous system and are responsible for controlling numerous complex functions, including digestion, transit, secretion, barrier function, and maintenance of a healthy microbiome. Development of a functional ENS relies on the coordinated interaction between enteric neural crest-derived cells and their environment as the neural crest-derived cells migrate rostrocaudally along the embryonic gut mesenchyme. Congenital or acquired disruption of ENS development leads to various neurointestinal diseases. Hirschsprung disease is a congenital neurocristopathy, a disease of the neural crest. It is characterized by a variable length of distal colonic aganglionosis due to a failure in enteric neural crest-derived cell proliferation, migration, differentiation, and/or survival. In this review, we will review the science of Hirschsprung disease, targeting an audience of pediatric surgeons. We will discuss the basic biology of normal ENS development, as well as what goes awry in ENS development in Hirschsprung disease. We will review animal models that have been integral to studying this disease, as well as current hot topics and future research, including genetic risk profiling, stem cell therapy, non-invasive diagnostic techniques, single-cell sequencing techniques, and genotype-phenotype correlation.
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Affiliation(s)
- Jessica L Mueller
- Department of Pediatric Surgery, Massachusetts General Hospital, Massachusetts General Hospital for Children, Harvard Medical School, 55 Fruit St., WRN 1151, Boston, MA 02114, United States
| | - Allan M Goldstein
- Department of Pediatric Surgery, Massachusetts General Hospital, Massachusetts General Hospital for Children, Harvard Medical School, 55 Fruit St., WRN 1151, Boston, MA 02114, United States.
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21
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Kuil LE, MacKenzie KC, Tang CS, Windster JD, Le TL, Karim A, de Graaf BM, van der Helm R, van Bever Y, Sloots CEJ, Meeussen C, Tibboel D, de Klein A, Wijnen RMH, Amiel J, Lyonnet S, Garcia-Barcelo MM, Tam PKH, Alves MM, Brooks AS, Hofstra RMW, Brosens E. Size matters: Large copy number losses in Hirschsprung disease patients reveal genes involved in enteric nervous system development. PLoS Genet 2021; 17:e1009698. [PMID: 34358225 PMCID: PMC8372947 DOI: 10.1371/journal.pgen.1009698] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 08/18/2021] [Accepted: 07/06/2021] [Indexed: 12/24/2022] Open
Abstract
Hirschsprung disease (HSCR) is a complex genetic disease characterized by absence of ganglia in the intestine. HSCR etiology can be explained by a unique combination of genetic alterations: rare coding variants, predisposing haplotypes and Copy Number Variation (CNV). Approximately 18% of patients have additional anatomical malformations or neurological symptoms (HSCR-AAM). Pinpointing the responsible culprits within a CNV is challenging as often many genes are affected. Therefore, we selected candidate genes based on gene enrichment strategies using mouse enteric nervous system transcriptomes and constraint metrics. Next, we used a zebrafish model to investigate whether loss of these genes affects enteric neuron development in vivo. This study included three groups of patients, two groups without coding variants in disease associated genes: HSCR-AAM and HSCR patients without associated anomalies (HSCR-isolated). The third group consisted of all HSCR patients in which a confirmed pathogenic rare coding variant was identified. We compared these patient groups to unaffected controls. Predisposing haplotypes were determined, confirming that every HSCR subgroup had increased contributions of predisposing haplotypes, but their contribution was highest in isolated HSCR patients without RET coding variants. CNV profiling proved that specifically HSCR-AAM patients had larger Copy Number (CN) losses. Gene enrichment strategies using mouse enteric nervous system transcriptomes and constraint metrics were used to determine plausible candidate genes located within CN losses. Validation in zebrafish using CRISPR/Cas9 targeting confirmed the contribution of UFD1L, TBX2, SLC8A1, and MAPK8 to ENS development. In addition, we revealed epistasis between reduced Ret and Gnl1 expression and between reduced Ret and Tubb5 expression in vivo. Rare large CN losses—often de novo—contribute to HSCR in HSCR-AAM patients. We proved the involvement of six genes in enteric nervous system development and Hirschsprung disease. Hirschsprung disease is a congenital disorder characterized by the absence of intestinal neurons in the distal part of the intestine. It is a complex genetic disorder in which multiple variations in our genome combined, result in disease. One of these variations are Copy Number Variations (CNVs): large segments of our genome that are duplicated or deleted. Patients often have Hirschsprung disease without other symptoms. However, a proportion of patients has additional associated anatomical malformations and neurological symptoms. We found that CNVs, present in patients with associated anomalies, are more often larger compared to unaffected controls or Hirschsprung patients without other symptoms. Furthermore, Copy Number (CN) losses are enriched for constrained coding regions (CCR; genes usually not impacted by genomic alterations in unaffected controls) of which the expression is higher in the developing intestinal neurons compared to the intestine. We modelled loss of these candidate genes in zebrafish by disrupting the zebrafish orthologues by genome editing. For several genes this resulted in changes in intestinal neuron development, reminiscent of HSCR observed in patients. The results presented here highlight the importance of Copy Number profiling, zebrafish validation and evaluating all CCR expressed in developing intestinal neurons during diagnostic evaluation.
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Affiliation(s)
- Laura E. Kuil
- Department of Clinical Genetics, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Katherine C. MacKenzie
- Department of Clinical Genetics, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Clara S. Tang
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
- Li Dak-Sum Research Centre, The University of Hong Kong–Karolinska Institutet Collaboration in Regenerative Medicine, Hong Kong, China
| | - Jonathan D. Windster
- Department of Clinical Genetics, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
- Department of Paediatric Surgery, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Thuy Linh Le
- Laboratory of embryology and genetics of malformations, Institut Imagine Université de Paris INSERM UMR1163 Necker Enfants malades University Hospital, Paris, France
| | - Anwarul Karim
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Bianca M. de Graaf
- Department of Clinical Genetics, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Robert van der Helm
- Department of Clinical Genetics, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Yolande van Bever
- Department of Clinical Genetics, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Cornelius E. J. Sloots
- Department of Paediatric Surgery, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Conny Meeussen
- Department of Paediatric Surgery, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Dick Tibboel
- Department of Paediatric Surgery, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Annelies de Klein
- Department of Clinical Genetics, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - René M. H. Wijnen
- Department of Paediatric Surgery, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Jeanne Amiel
- Laboratory of embryology and genetics of malformations, Institut Imagine Université de Paris INSERM UMR1163 Necker Enfants malades University Hospital, Paris, France
| | - Stanislas Lyonnet
- Laboratory of embryology and genetics of malformations, Institut Imagine Université de Paris INSERM UMR1163 Necker Enfants malades University Hospital, Paris, France
| | | | - Paul K. H. Tam
- Department of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
- Li Dak-Sum Research Centre, The University of Hong Kong–Karolinska Institutet Collaboration in Regenerative Medicine, Hong Kong, China
| | - Maria M. Alves
- Department of Clinical Genetics, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Alice S. Brooks
- Department of Clinical Genetics, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Robert M. W. Hofstra
- Department of Clinical Genetics, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
- Stem Cells and Regenerative Medicine, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Erwin Brosens
- Department of Clinical Genetics, Erasmus MC–Sophia Children’s Hospital, University Medical Center Rotterdam, Rotterdam, The Netherlands
- * E-mail:
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22
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ZEB2, the Mowat-Wilson Syndrome Transcription Factor: Confirmations, Novel Functions, and Continuing Surprises. Genes (Basel) 2021; 12:genes12071037. [PMID: 34356053 PMCID: PMC8304685 DOI: 10.3390/genes12071037] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/30/2021] [Accepted: 07/01/2021] [Indexed: 12/15/2022] Open
Abstract
After its publication in 1999 as a DNA-binding and SMAD-binding transcription factor (TF) that co-determines cell fate in amphibian embryos, ZEB2 was from 2003 studied by embryologists mainly by documenting the consequences of conditional, cell-type specific Zeb2 knockout (cKO) in mice. In between, it was further identified as causal gene causing Mowat-Wilson Syndrome (MOWS) and novel regulator of epithelial–mesenchymal transition (EMT). ZEB2’s functions and action mechanisms in mouse embryos were first addressed in its main sites of expression, with focus on those that helped to explain neurodevelopmental and neural crest defects seen in MOWS patients. By doing so, ZEB2 was identified in the forebrain as the first TF that determined timing of neuro-/gliogenesis, and thereby also the extent of different layers of the cortex, in a cell non-autonomous fashion, i.e., by its cell-intrinsic control within neurons of neuron-to-progenitor paracrine signaling. Transcriptomics-based phenotyping of Zeb2 mutant mouse cells have identified large sets of intact-ZEB2 dependent genes, and the cKO approaches also moved to post-natal brain development and diverse other systems in adult mice, including hematopoiesis and various cell types of the immune system. These new studies start to highlight the important adult roles of ZEB2 in cell–cell communication, including after challenge, e.g., in the infarcted heart and fibrotic liver. Such studies may further evolve towards those documenting the roles of ZEB2 in cell-based repair of injured tissue and organs, downstream of actions of diverse growth factors, which recapitulate developmental signaling principles in the injured sites. Evident questions are about ZEB2’s direct target genes, its various partners, and ZEB2 as a candidate modifier gene, e.g., in other (neuro)developmental disorders, but also the accurate transcriptional and epigenetic regulation of its mRNA expression sites and levels. Other questions start to address ZEB2’s function as a niche-controlling regulatory TF of also other cell types, in part by its modulation of growth factor responses (e.g., TGFβ/BMP, Wnt, Notch). Furthermore, growing numbers of mapped missense as well as protein non-coding mutations in MOWS patients are becoming available and inspire the design of new animal model and pluripotent stem cell-based systems. This review attempts to summarize in detail, albeit without discussing ZEB2’s role in cancer, hematopoiesis, and its emerging roles in the immune system, how intense ZEB2 research has arrived at this exciting intersection.
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Jakubiak A, Szczałuba K, Badura-Stronka M, Kutkowska-Kaźmierczak A, Jakubiuk-Tomaszuk A, Chilarska T, Pilch J, Braun-Walicka N, Castaneda J, Wołyńska K, Wiśniewska M, Kugaudo M, Bielecka M, Pesz K, Wierzba J, Latos-Bieleńska A, Obersztyn E, Krajewska-Walasek M, Śmigiel R. Clinical characteristics of Polish patients with molecularly confirmed Mowat-Wilson syndrome. J Appl Genet 2021; 62:477-485. [PMID: 33982229 PMCID: PMC8357696 DOI: 10.1007/s13353-021-00636-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 04/28/2021] [Accepted: 05/02/2021] [Indexed: 11/26/2022]
Abstract
Mowat-Wilson syndrome is a rare neurodevelopmental disorder caused by pathogenic variants in the ZEB2 gene, intragenic deletions of the ZEB2 gene, and microdeletions in the critical chromosomal region 2q22-23, where the ZEB2 gene is located. Mowat-Wilson syndrome is characterized by typical facial features that change with the age, severe developmental delay with intellectual disability, and multiple congenital abnormalities. The authors describe the clinical and genetic aspects of 28th patients with Mowat-Wilson syndrome diagnosed in Poland. Characteristic dysmorphic features, psychomotor retardation, intellectual disability, and congenital anomalies were present in all cases. The incidence of most common congenital anomalies (heart defect, Hirschsprung disease, brain defects) was similar to presented in literature. Epilepsy was less common compared to previously reported cases. Although the spectrum of disorders in patients with Mowat-Wilson syndrome is wide, knowledge of characteristic dysmorphic features awareness of accompanying abnormalities, especially intellectual disability, improves detection of the syndrome.
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Affiliation(s)
- Aleksandra Jakubiak
- Department of Paediatrics, Division of Paediatric Propaedeutics and Rare Disorders, Medical University, Wroclaw, Poland.
| | | | | | | | - Anna Jakubiuk-Tomaszuk
- Department of Neurology and Children Rehabilitation, Medical University, Bialystok, Poland
- Medical Genetics Unit, Mastermed Medical Center, Bialystok, Poland
| | - Tatiana Chilarska
- Department of Genetics, Polish Mother's Memorial Hospital Research Institute, Lodz, Poland
| | - Jacek Pilch
- Department of Paediatric Neurology, Medical University of Silesia, Katowice, Poland
| | | | - Jennifer Castaneda
- Department of Medical Genetics, Institute of Mother and Child, Warsaw, Poland
| | | | | | - Monika Kugaudo
- Department of Children and Adolescent Psychiatry, University Clinical Centre, Paediatric Teaching Clinical Hospital, Warsaw, Poland
| | - Monika Bielecka
- Department of Pharmaceutical Biotechnology, Medical University, Wroclaw, Poland
| | - Karolina Pesz
- Department of Genetics, Medical University, Wroclaw, Poland
| | - Jolanta Wierzba
- Department of Internal and Paediatric Nursing, Institute of Nursing and Midwifery, Medical University Gdansk, Gdansk, Poland
| | | | - Ewa Obersztyn
- Department of Medical Genetics, Institute of Mother and Child, Warsaw, Poland
| | | | - Robert Śmigiel
- Department of Paediatrics, Division of Paediatric Propaedeutics and Rare Disorders, Medical University, Wroclaw, Poland
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Zhang X, Jiang L, Liu H. Forkhead Box Protein O1: Functional Diversity and Post-Translational Modification, a New Therapeutic Target? DRUG DESIGN DEVELOPMENT AND THERAPY 2021; 15:1851-1860. [PMID: 33976536 PMCID: PMC8106445 DOI: 10.2147/dddt.s305016] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 04/19/2021] [Indexed: 11/23/2022]
Abstract
Forkhead box protein O1 (FoXO1) is a transcription factor involved in the regulation of a wide variety of physiological process including glucose metabolism, lipogenesis, bone mass, apoptosis, and autophagy. FoXO1 dysfunction is involved in the pathophysiology of various diseases including metabolic diseases, atherosclerosis, and tumors. FoXO1 activity is regulated in response to different physiological or pathogenic conditions by changes in protein expression and post-translational modifications. Various modifications cooperate to regulate FoXO1 activity and FoXO1 target gene transcription. In this review, we summarize how different post-translational modifications regulate FoXO1 physiological function, which may provide new insights for drug design and development.
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Affiliation(s)
- Xiaojun Zhang
- Department of Cardiology, Shandong Rongjun General Hospital, Jinan, 250013, People's Republic of China
| | - Lusheng Jiang
- Department of Emergency, Shandong Rongjun General Hospital, Jinan, 250013, People's Republic of China
| | - Huimin Liu
- Blood Purification Center, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250011, People's Republic of China
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Refaat K, Helmy N, Elawady M, El Ruby M, Kamel A, Mekkawy M, Ashaat E, Eid O, Mohamed A, Rady M. Interstitial Deletion of 2q22.2q22.3 Involving the Entire ZEB2 Gene in a Case of Mowat-Wilson Syndrome. Mol Syndromol 2021; 12:87-95. [PMID: 34012377 DOI: 10.1159/000513313] [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] [Received: 06/30/2020] [Accepted: 11/23/2020] [Indexed: 01/09/2023] Open
Abstract
Mowat-Wilson syndrome (MWS) is a rare autosomal dominant syndrome characterized by dysmorphic features, mental retardation, and congenital heart disease (CHD). MWS results from microdeletions of chromosome 2q23 or de novo SNVs involving the ZEB2 gene. Here, we report on an Egyptian MWS patient diagnosed by chromosomal microarray (CMA). A 1-year-old male child was referred to the CHD clinic, National Research Centre, presenting with dysmorphic features and CHD. The patient was referred to the human cytogenetics department for cytogenetic analysis and for screening of subtelomere rearrangements and microdeletion loci, using MLPA, and all revealed normal results. CMA revealed an interstitial 2.27-Mb microdeletion in chromosome 2q, involving the entire ZEB2 gene and other genes. This study emphasizes the significance of CMA in the detection of microdeletions/microduplications and as a screening tool in cases presenting with CHD and extracardiac manifestations. MWS should be suspected in patients presenting with the characteristic facial dysmorphism, developmental delay, seizures, Hirschsprung disease, and congenital heart anomalies, especially those involving the pulmonary arteries or pulmonary valves. It is recommended to include the ZEB2 locus in the MLPA microdeletions probes.
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Affiliation(s)
- Khaled Refaat
- Division of Human Genetics and Genome Research, Department of Human Cytogenetics, National Research Centre, Cairo, Egypt
| | - Nivine Helmy
- Division of Human Genetics and Genome Research, Department of Human Cytogenetics, National Research Centre, Cairo, Egypt
| | - Mohamed Elawady
- Department of Community Medicine and Public Health, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Mona El Ruby
- Department of Clinical Genetics, National Research Centre, Cairo, Egypt
| | - Alaa Kamel
- Division of Human Genetics and Genome Research, Department of Human Cytogenetics, National Research Centre, Cairo, Egypt
| | - Mona Mekkawy
- Division of Human Genetics and Genome Research, Department of Human Cytogenetics, National Research Centre, Cairo, Egypt
| | - Engy Ashaat
- Department of Clinical Genetics, National Research Centre, Cairo, Egypt
| | - Ola Eid
- Division of Human Genetics and Genome Research, Department of Human Cytogenetics, National Research Centre, Cairo, Egypt
| | - Amal Mohamed
- Division of Human Genetics and Genome Research, Department of Human Cytogenetics, National Research Centre, Cairo, Egypt
| | - Mervat Rady
- Department of Community Medicine and Public Health, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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26
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Zou D, Wang L, Wen F, Xiao H, Duan J, Zhang T, Yin Z, Dong Q, Guo J, Liao J. Genotype-phenotype analysis in Mowat-Wilson syndrome associated with two novel and two recurrent ZEB2 variants. Exp Ther Med 2020; 20:263. [PMID: 33199988 PMCID: PMC7664618 DOI: 10.3892/etm.2020.9393] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 08/26/2020] [Indexed: 02/05/2023] Open
Abstract
The current study aimed to analyze the genotype-phenotype relationship in patients with variants of zinc finger E box-binding homeobox 2 (ZEB2), which is a gene encoding a homeobox transcription factor known to be mutated in Mowat Wilson syndrome (MWS). Whole genome sequencing (WGS) was performed in 530 children, of whom 333 had epilepsy with or without developmental delay and 197 developmental delay alone. Pathogenic variants were identified and verified using Sanger sequencing, and the disease phenotypes of the corresponding patients were analyzed for features of MWS. WGS was performed in 333 children with epilepsy, with or without developmental delays or intellectual disability and 197 children with developmental delay alone. A total of 4 unrelated patients were indicated to be heterozygous for truncating mutations in ZEB2. A total of three of these were nonsense mutations (novel Gln1072X and recurrent Trp97X and Arg921X), and one was a frameshift mutation (novel Val357Aspfs*15). The mutations have occurred de novo as confirmed by Sanger sequence comparisons in patients and their parents. All 4 patients exhibited signs of MWS, whereby the severity increased the closer a mutation was located to the amino terminus of the protein. The results suggest that the clinical outcome in MWS depends on the relative position of the truncation in the ZEB2 gene. A number of interpretations of this genotype/phenotype association are discussed in the present study.
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Affiliation(s)
- Dongfang Zou
- Department of Neurology, Shenzhen Children's Hospital, Shenzhen, Guangdong 518038, P.R. China
| | - Lin Wang
- BGI-Shenzhen, Shenzhen, Guangdong 518083, P.R. China
| | - Feiqiu Wen
- Department of Hematology and Oncology, Shenzhen Children's Hospital, Shenzhen, Guangdong 518038, P.R. China
| | - Hongdou Xiao
- BGI-Shenzhen, Shenzhen, Guangdong 518083, P.R. China
| | - Jing Duan
- Department of Neurology, Shenzhen Children's Hospital, Shenzhen, Guangdong 518038, P.R. China
| | - Tongda Zhang
- BGI-Shenzhen, Shenzhen, Guangdong 518083, P.R. China
| | - Zhenzhen Yin
- BGI-Shenzhen, Shenzhen, Guangdong 518083, P.R. China
| | - Qiwen Dong
- BGI-Shenzhen, Shenzhen, Guangdong 518083, P.R. China
- School of Basic Medicine, Qingdao University, Qingdao, Shandong 266071, P.R. China
| | - Jian Guo
- BGI-Shenzhen, Shenzhen, Guangdong 518083, P.R. China
| | - Jianxiang Liao
- Department of Neurology, Shenzhen Children's Hospital, Shenzhen, Guangdong 518038, P.R. China
- Correspondence to: Professor Jianxiang Liao, Department of Neurology, Shenzhen Children's Hospital, 7019 Yitian Road, Shenzhen, Guangdong 518038, P.R. China
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Successful treatment of drug-resistant status epilepticus in an adult patient with Mowat-Wilson syndrome: A case report. Epilepsy Behav Rep 2020; 14:100410. [PMID: 33344924 PMCID: PMC7736901 DOI: 10.1016/j.ebr.2020.100410] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 11/11/2020] [Accepted: 11/11/2020] [Indexed: 01/10/2023] Open
Abstract
Some epilepsy associated with Mowat-Wilson syndrome (MWS) is resistant to anti-seizure drugs. Occasionally, determining the best combination of therapeutic anti-seizure drugs for the management of MWS is challenging. In the management of MWS, keeping the patient seizure-free warrants close monitoring. Adult MWS patients may be prone to develop recurrent intractable status epilepticus.
Mowat-Wilson syndrome (MWS) is a rare genetic disorder characterized by intellectual disability, distinctive facial features, epilepsy, and multiple anomalies caused by heterozygous loss-of-function mutations in the zinc finger E-box-binding homeobox-2 gene (ZEB2). Treatment choice is very important as patients with MWS because patients sometimes develop drug-resistant epilepsy. Here, we report the case of a 45-year-old male patient with MWS who developed drug-resistant status epilepticus after a 26-years seizure-free period while taking multiple anti-seizure medications. He showed a characteristic magnetic resonance imaging finding with a focal lesion in his left thalamic pulvinar nucleus, a finding not previously reported in status epilepticus with MWS. We succeeded in controlling seizures in the patient after trying multiple new antiseizure drug combinations. These findings indicate that patients with MWS may develop drug-resistant status epilepticus with age, even after a long-term seizure-free period, which can be managed with anti-seizure medication. Therefore, careful monitoring of seizures is important for the treatment of people with MWS, even in patients who have not experienced seizures for a long time.
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28
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Menuchin-Lasowski Y, Dagan B, Conidi A, Cohen-Gulkar M, David A, Ehrlich M, Giladi PO, Clark BS, Blackshaw S, Shapira K, Huylebroeck D, Henis YI, Ashery-Padan R. Zeb2 regulates the balance between retinal interneurons and Müller glia by inhibition of BMP-Smad signaling. Dev Biol 2020; 468:80-92. [PMID: 32950463 DOI: 10.1016/j.ydbio.2020.09.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 08/24/2020] [Accepted: 09/10/2020] [Indexed: 12/27/2022]
Abstract
The interplay between signaling molecules and transcription factors during retinal development is key to controlling the correct number of retinal cell types. Zeb2 (Sip1) is a zinc-finger multidomain transcription factor that plays multiple roles in central and peripheral nervous system development. Haploinsufficiency of ZEB2 causes Mowat-Wilson syndrome, a congenital disease characterized by intellectual disability, epilepsy and Hirschsprung disease. In the developing retina, Zeb2 is required for generation of horizontal cells and the correct number of interneurons; however, its potential function in controlling gliogenic versus neurogenic decisions remains unresolved. Here we present cellular and molecular evidence of the inhibition of Müller glia cell fate by Zeb2 in late stages of retinogenesis. Unbiased transcriptomic profiling of control and Zeb2-deficient early-postnatal retina revealed that Zeb2 functions in inhibiting Id1/2/4 and Hes1 gene expression. These neural progenitor factors normally inhibit neural differentiation and promote Müller glia cell fate. Chromatin immunoprecipitation (ChIP) supported direct regulation of Id1 by Zeb2 in the postnatal retina. Reporter assays and ChIP analyses in differentiating neural progenitors provided further evidence that Zeb2 inhibits Id1 through inhibition of Smad-mediated activation of Id1 transcription. Together, the results suggest that Zeb2 promotes the timely differentiation of retinal interneurons at least in part by repressing BMP-Smad/Notch target genes that inhibit neurogenesis. These findings show that Zeb2 integrates extrinsic cues to regulate the balance between neuronal and glial cell types in the developing murine retina.
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Affiliation(s)
- Yotam Menuchin-Lasowski
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Bar Dagan
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Andrea Conidi
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam 3015 CN, the Netherlands
| | - Mazal Cohen-Gulkar
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Ahuvit David
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Marcelo Ehrlich
- Shumins School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Pazit Oren Giladi
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Brian S Clark
- John F Hardesty, MD Department of Ophthalmology and Visual Sciences and Department of Developmental Biology, Washington University, St. Louis, MO 63110, USA
| | - Seth Blackshaw
- Solomon H. Snyder Department of Neuroscience, Baltimore, MD 21205, USA; Department of Ophthalmology, Baltimore, MD 21205, USA; Department of Neurology, Baltimore, MD 21205, USA; Center for Human Systems Biology, Baltimore, MD 21205, USA; Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Keren Shapira
- Shumins School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel; Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 69978, Israel
| | - Danny Huylebroeck
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam 3015 CN, the Netherlands; Department of Development and Regeneration, KU Leuven, Leuven 3000, Belgium
| | - Yoav I Henis
- Shumins School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel; Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 69978, Israel
| | - Ruth Ashery-Padan
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel; Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 69978, Israel.
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Zhuansun D, Jiao C, Meng X, Xiao J, Feng J. Long-term outcomes of laparoscope-assisted heart-shaped anastomosis for children with hirschsprung disease: A 10-year review study. J Pediatr Surg 2020; 55:1824-1828. [PMID: 31630853 DOI: 10.1016/j.jpedsurg.2019.08.052] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 08/08/2019] [Accepted: 08/22/2019] [Indexed: 01/30/2023]
Abstract
BACKGROUND AND OBJECTIVE Several operating procedures have been reported for treating Hirschsprung Disease (HD), but the incidence of postoperative complications remains at a high level affecting both the patients' prognosis and postoperative life quality. Heart-shaped anastomosis as a novel surgery method for children with HD has been improved by our medical center. This new surgery method is characterized by a heart-shaped colorectal anastomosis after splitting the posterior rectum wall to 0.5 cm above the dentate line. The aim of this review was to research the outcomes and quality of life of laparoscope-assisted heart-shaped anastomosis (LHSA) for children with HD by comparing it with a more generally applied surgery method, the laparoscope-assisted Soave procedure (LSP). METHODS A retrospective review was conducted for 198 patients who underwent operations from January 2005 to December 2014 in our institution, who were divided into 97 cases of the LHSA group and 101 cases of LSP group according to the treatment methods; all the outcomes and individual quality of life data were assessed and compared. RESULT All the enrolled 198 children diagnosed with HD, LHSA and LSP had been successfully completed in all cases. For complications, the incidence of constipation and soiling in the LHSA group was lower than the LSP group (P = 0.030, P = 0.042 respectively). On aspects of quality of life after operation, the individual quality of life of children with fecal incontinence was scored; and the higher the scores, the better the quality of life. Patients in the LHSA group had higher scores in terms of soiling, unhappy or anxious and peer rejection than the LSP group (P = 0.003, P = 0.009, P = 0.021, respectively). Other surgical characteristics and outcomes did not significantly differ between the two groups. CONCLUSION LHSA is a feasible and safe minimally invasive surgery method with good long-term follow-up outcomes for HD patients. Compared with LSP, LHSA has advantages of low incidence of constipation and soiling, and provides better quality of life. Therefore, LHSA may provide a better choice for HD patients. LEVELS OF EVIDENCE The type of study was Clinical Research Paper and the level of evidence was level III.
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Affiliation(s)
- Didi Zhuansun
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan 430030, China
| | - Chunlei Jiao
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan 430030, China
| | - Xinyao Meng
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan 430030, China
| | - Jun Xiao
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan 430030, China
| | - Jiexiong Feng
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan 430030, China.
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30
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Abstract
Mowat-Wilson syndrome (MWS) is a syndromic form of Hirschsprung disease that is characterized by variable degrees of intellectual disability, characteristic facial dysmorphism, and a diverse set of other congenital malformations due to haploinsufficiency of ZEB2. A variety of brain malformations have been described in neuroimaging studies of MWS patients, and the role of ZEB2 in the brain has been studied in a multitude of genetically engineered mouse models that are now available. However, a paucity of autopsy information limits our ability to correlate data from neuroimaging studies and animal models with actual MWS patient tissues. Here, we report the autopsy neuropathology of a 19-year-old male patient with MWS. Autopsy neuropathology findings correlated well with the reported MWS neuroimaging data and are in keeping with data from genetically engineered MWS mouse models. This autopsy enhances our understanding of ZEB2 function in human brain development and demonstrates the reliability of MWS murine models.
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Affiliation(s)
- Miriam R Conces
- Department of Pathology & Laboratory Medicine, Nationwide Children's Hospital, Columbus, Ohio.,Department of Pathology, The Ohio State University, Columbus, Ohio
| | - Anna Hughes
- Department of Pathology & Laboratory Medicine, Nationwide Children's Hospital, Columbus, Ohio
| | - Christopher R Pierson
- Department of Pathology & Laboratory Medicine, Nationwide Children's Hospital, Columbus, Ohio.,Department of Pathology, The Ohio State University, Columbus, Ohio.,Division of Anatomy, Department of Biomedical Education & Anatomy, The Ohio State University, Columbus, Ohio
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31
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Hu Y, Peng Q, Ma K, Li S, Rao C, Zhong B, Lu X. A novel nonsense mutation of ZEB2 gene in a Chinese patient with Mowat-Wilson syndrome. J Clin Lab Anal 2020; 34:e23413. [PMID: 32519765 PMCID: PMC7521239 DOI: 10.1002/jcla.23413] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/30/2020] [Accepted: 05/01/2020] [Indexed: 01/08/2023] Open
Abstract
Background Mowat‐Wilson syndrome (MWS) is a rare genetic disorder characterized by intellectual disability, distinctive facial features, and multiple anomalies caused by haploinsufficiency of the ZEB2 gene. We investigated the genetic causes of MWS in a 14‐year‐old girl who had characteristic features of MWS. Methods Clinical data and peripheral blood DNA samples were collected from the proband. Following extraction of genomic DNA, whole‐exome sequencing was conducted to detect genetic variants. Bioinformatics analysis was carried out to predict the function of the mutant gene. Results Mutation analysis of the proband identified a novel nonsense mutation (c.250G > T, p.E84*) within exon 3 of the ZEB2 gene. This novel alteration resulted in a termination codon at amino acid position 84, which was predicted to encode a truncated protein. This variant was not present in unrelated healthy control samples that were obtained from the exome sequence databases ExAc browser (http://exac.broadinstitute.org/) and gnomAD browser (http://gnomad.broadinstitute.org/). It is a novel variant that was determined to be a deleterious mutation according to the variant interpretation guidelines of the ACMG. The results of our study suggest that the p.E84* mutation in the ZEB2 gene was probably the pathogenic mutation that caused MWS in the proband. Conclusions This study reports the novel mutation in the proband will provide a basic foundation for further investigations to elucidate the ZEB2‐related mechanisms of MWS.
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Affiliation(s)
- Yuan Hu
- Department of Pediatrics Hematology, Dongguan Children's Hospital, Dongguan, China
| | - Qi Peng
- Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Medical laboratory, Dongguan Children's Hospital, Dongguan, China.,Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City, Dongguan, China
| | - Keze Ma
- Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City, Dongguan, China.,Pediatric Intensive Care Unit, Dongguan Children's Hospital, Dongguan, China
| | - Siping Li
- Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Medical laboratory, Dongguan Children's Hospital, Dongguan, China.,Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City, Dongguan, China
| | - Chunbao Rao
- Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Medical laboratory, Dongguan Children's Hospital, Dongguan, China.,Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City, Dongguan, China
| | - Baimao Zhong
- Department of Pediatrics Hematology, Dongguan Children's Hospital, Dongguan, China.,Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Pediatric Intensive Care Unit, Dongguan Children's Hospital, Dongguan, China
| | - Xiaomei Lu
- Department of Medical and Molecular Genetics, Dongguan Institute of Pediatrics, Dongguan, China.,Medical laboratory, Dongguan Children's Hospital, Dongguan, China.,Key Laboratory for Children's Genetics and Infectious Diseases of Dongguan City, Dongguan, China
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32
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Deryckere A, Stappers E, Dries R, Peyre E, van den Berghe V, Conidi A, Zampeta FI, Francis A, Bresseleers M, Stryjewska A, Vanlaer R, Maas E, Smal IV, van IJcken WFJ, Grosveld FG, Nguyen L, Huylebroeck D, Seuntjens E. Multifaceted actions of Zeb2 in postnatal neurogenesis from the ventricular-subventricular zone to the olfactory bulb. Development 2020; 147:dev184861. [PMID: 32253238 DOI: 10.1242/dev.184861] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 03/23/2020] [Indexed: 03/01/2024]
Abstract
The transcription factor Zeb2 controls fate specification and subsequent differentiation and maturation of multiple cell types in various embryonic tissues. It binds many protein partners, including activated Smad proteins and the NuRD co-repressor complex. How Zeb2 subdomains support cell differentiation in various contexts has remained elusive. Here, we studied the role of Zeb2 and its domains in neurogenesis and neural differentiation in the young postnatal ventricular-subventricular zone (V-SVZ), in which neural stem cells generate olfactory bulb-destined interneurons. Conditional Zeb2 knockouts and separate acute loss- and gain-of-function approaches indicated that Zeb2 is essential for controlling apoptosis and neuronal differentiation of V-SVZ progenitors before and after birth, and we identified Sox6 as a potential downstream target gene of Zeb2. Zeb2 genetic inactivation impaired the differentiation potential of the V-SVZ niche in a cell-autonomous fashion. We also provide evidence that its normal function in the V-SVZ also involves non-autonomous mechanisms. Additionally, we demonstrate distinct roles for Zeb2 protein-binding domains, suggesting that Zeb2 partners co-determine neuronal output from the mouse V-SVZ in both quantitative and qualitative ways in early postnatal life.
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Affiliation(s)
- Astrid Deryckere
- Laboratory of Developmental Neurobiology, Department of Biology, KU Leuven, Leuven 3000, Belgium
| | - Elke Stappers
- Laboratory of Molecular Biology (Celgen), Department of Development and Regeneration, KU Leuven, Leuven 3000, Belgium
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam 3015 CN, The Netherlands
| | - Ruben Dries
- Laboratory of Molecular Biology (Celgen), Department of Development and Regeneration, KU Leuven, Leuven 3000, Belgium
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam 3015 CN, The Netherlands
| | - Elise Peyre
- GIGA-Stem Cells and GIGA-Neurosciences, Liège University, Liège 4000, Belgium
| | - Veronique van den Berghe
- Laboratory of Molecular Biology (Celgen), Department of Development and Regeneration, KU Leuven, Leuven 3000, Belgium
- Department of Developmental Neurobiology, Institute of Psychiatry, Psychology and Neuroscience, and MRC Centre for Neurodevelopmental Disorders, King's College London, London SE1 1UL, UK
| | - Andrea Conidi
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam 3015 CN, The Netherlands
| | - F Isabella Zampeta
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam 3015 CN, The Netherlands
| | - Annick Francis
- Laboratory of Molecular Biology (Celgen), Department of Development and Regeneration, KU Leuven, Leuven 3000, Belgium
| | - Marjolein Bresseleers
- Laboratory of Molecular Biology (Celgen), Department of Development and Regeneration, KU Leuven, Leuven 3000, Belgium
| | - Agata Stryjewska
- Laboratory of Molecular Biology (Celgen), Department of Development and Regeneration, KU Leuven, Leuven 3000, Belgium
| | - Ria Vanlaer
- Laboratory of Developmental Neurobiology, Department of Biology, KU Leuven, Leuven 3000, Belgium
| | - Elke Maas
- Department of Cardiovascular Sciences, Center for Molecular and Vascular Biology, KU Leuven, Leuven 3000, Belgium
| | - Ihor V Smal
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam 3015 CN, The Netherlands
- Department of Molecular Genetics, Erasmus University Medical Center, Rotterdam 3015 CN, The Netherlands
| | - Wilfred F J van IJcken
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam 3015 CN, The Netherlands
- Center for Biomics-Genomics, Department of Cell Biology, Erasmus University Medical Center, Rotterdam 3015 CN, The Netherlands
| | - Frank G Grosveld
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam 3015 CN, The Netherlands
| | - Laurent Nguyen
- GIGA-Stem Cells and GIGA-Neurosciences, Liège University, Liège 4000, Belgium
| | - Danny Huylebroeck
- Laboratory of Molecular Biology (Celgen), Department of Development and Regeneration, KU Leuven, Leuven 3000, Belgium
- Department of Cell Biology, Erasmus University Medical Center, Rotterdam 3015 CN, The Netherlands
| | - Eve Seuntjens
- Laboratory of Developmental Neurobiology, Department of Biology, KU Leuven, Leuven 3000, Belgium
- Laboratory of Molecular Biology (Celgen), Department of Development and Regeneration, KU Leuven, Leuven 3000, Belgium
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33
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Ho S, Luk HM, Chung BHY, Fung JLF, Mak HHY, Lo IFM. Mowat-Wilson syndrome in a Chinese population: A case series. Am J Med Genet A 2020; 182:1336-1341. [PMID: 32196960 DOI: 10.1002/ajmg.a.61557] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 01/29/2020] [Accepted: 02/24/2020] [Indexed: 01/01/2023]
Abstract
Mowat-Wilson syndrome (MWS) is characterized clinically by a distinctive facial gestalt, intellectual disability, microcephaly, epilepsy, and nonobligatory congenital malformations such as Hirschsprung disease, urogenital anomalies, congenital heart disease, eye malformations. This article summarized the clinical features and molecular findings of 15 Chinese MWS patients. The results revealed a higher incidence of congenital heart disease in Chinese MWS patients compared to that previously reported in Caucasian cohorts, while the incidence of Hirschsprung disease and genitourinary malformation appeared to be lower. This suggests possible ethnicity-related modifying effects in the MWS phenotype.
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Affiliation(s)
- Stephanie Ho
- Clinical Genetic Service, Department of Health, HKSAR, Hong Kong
| | - Ho-Ming Luk
- Clinical Genetic Service, Department of Health, HKSAR, Hong Kong
| | - Brian Hon-Yin Chung
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Jasmine Lee-Fong Fung
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Harriet Hang-Yee Mak
- Department of Paediatrics and Adolescent Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Ivan F M Lo
- Clinical Genetic Service, Department of Health, HKSAR, Hong Kong
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34
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George A, Cogliati T, Brooks BP. Genetics of syndromic ocular coloboma: CHARGE and COACH syndromes. Exp Eye Res 2020; 193:107940. [PMID: 32032630 DOI: 10.1016/j.exer.2020.107940] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 01/20/2020] [Accepted: 01/22/2020] [Indexed: 02/07/2023]
Abstract
Optic fissure closure defects result in uveal coloboma, a potentially blinding condition affecting between 0.5 and 2.6 per 10,000 births that may cause up to 10% of childhood blindness. Uveal coloboma is on a phenotypic continuum with microphthalmia (small eye) and anophthalmia (primordial/no ocular tissue), the so-called MAC spectrum. This review gives a brief overview of the developmental biology behind coloboma and its clinical presentation/spectrum. Special attention will be given to two prominent, syndromic forms of coloboma, namely, CHARGE (Coloboma, Heart defect, Atresia choanae, Retarded growth and development, Genital hypoplasia, and Ear anomalies/deafness) and COACH (Cerebellar vermis hypoplasia, Oligophrenia, Ataxia, Coloboma, and Hepatic fibrosis) syndromes. Approaches employed to identify genes involved in optic fissure closure in animal models and recent advances in live imaging of zebrafish eye development are also discussed.
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Affiliation(s)
- Aman George
- Ophthalmic Genetics and Visual Function Branch, National Eye Institute, National Institutes of Health. Bethesda, Maryland, 20892, USA
| | - Tiziana Cogliati
- Ophthalmic Genetics and Visual Function Branch, National Eye Institute, National Institutes of Health. Bethesda, Maryland, 20892, USA
| | - Brian P Brooks
- Ophthalmic Genetics and Visual Function Branch, National Eye Institute, National Institutes of Health. Bethesda, Maryland, 20892, USA.
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35
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Straub J, Gregor A, Sauerer T, Fliedner A, Distel L, Suchy C, Ekici AB, Ferrazzi F, Zweier C. Genetic interaction screen for severe neurodevelopmental disorders reveals a functional link between Ube3a and Mef2 in Drosophila melanogaster. Sci Rep 2020; 10:1204. [PMID: 31988313 PMCID: PMC6985129 DOI: 10.1038/s41598-020-58182-5] [Citation(s) in RCA: 4] [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: 09/08/2019] [Accepted: 01/13/2020] [Indexed: 11/09/2022] Open
Abstract
Neurodevelopmental disorders (NDDs) are clinically and genetically extremely heterogeneous with shared phenotypes often associated with genes from the same networks. Mutations in TCF4, MEF2C, UBE3A, ZEB2 or ATRX cause phenotypically overlapping, syndromic forms of NDDs with severe intellectual disability, epilepsy and microcephaly. To characterize potential functional links between these genes/proteins, we screened for genetic interactions in Drosophila melanogaster. We induced ubiquitous or tissue specific knockdown or overexpression of each single orthologous gene (Da, Mef2, Ube3a, Zfh1, XNP) and in pairwise combinations. Subsequently, we assessed parameters such as lethality, wing and eye morphology, neuromuscular junction morphology, bang sensitivity and climbing behaviour in comparison between single and pairwise dosage manipulations. We found most stringent evidence for genetic interaction between Ube3a and Mef2 as simultaneous dosage manipulation in different tissues including glia, wing and eye resulted in multiple phenotype modifications. We subsequently found evidence for physical interaction between UBE3A and MEF2C also in human cells. Systematic pairwise assessment of the Drosophila orthologues of five genes implicated in clinically overlapping, severe NDDs and subsequent confirmation in a human cell line revealed interactions between UBE3A/Ube3a and MEF2C/Mef2, thus contributing to the characterization of the underlying molecular commonalities.
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Affiliation(s)
- Jonas Straub
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054, Erlangen, Germany
| | - Anne Gregor
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054, Erlangen, Germany
| | - Tatjana Sauerer
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054, Erlangen, Germany
| | - Anna Fliedner
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054, Erlangen, Germany
| | - Laila Distel
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054, Erlangen, Germany
| | - Christine Suchy
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054, Erlangen, Germany
| | - Arif B Ekici
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054, Erlangen, Germany
| | - Fulvia Ferrazzi
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054, Erlangen, Germany
| | - Christiane Zweier
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054, Erlangen, Germany.
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36
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Luzón‐Toro B, Villalba‐Benito L, Torroglosa A, Fernández RM, Antiñolo G, Borrego S. What is new about the genetic background of Hirschsprung disease? Clin Genet 2019; 97:114-124. [DOI: 10.1111/cge.13615] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/23/2019] [Accepted: 07/25/2019] [Indexed: 01/01/2023]
Affiliation(s)
- Berta Luzón‐Toro
- Department of Maternofetal Medicine, Genetics and Reproduction, Institute of Biomedicine of Seville (IBIS)University Hospital Virgen del Rocío/CSIC/University of Seville Seville Spain
- Centre for Biomedical Network Research on Rare Diseases (CIBERER) Seville Spain
| | - Leticia Villalba‐Benito
- Department of Maternofetal Medicine, Genetics and Reproduction, Institute of Biomedicine of Seville (IBIS)University Hospital Virgen del Rocío/CSIC/University of Seville Seville Spain
- Centre for Biomedical Network Research on Rare Diseases (CIBERER) Seville Spain
| | - Ana Torroglosa
- Department of Maternofetal Medicine, Genetics and Reproduction, Institute of Biomedicine of Seville (IBIS)University Hospital Virgen del Rocío/CSIC/University of Seville Seville Spain
- Centre for Biomedical Network Research on Rare Diseases (CIBERER) Seville Spain
| | - Raquel M. Fernández
- Department of Maternofetal Medicine, Genetics and Reproduction, Institute of Biomedicine of Seville (IBIS)University Hospital Virgen del Rocío/CSIC/University of Seville Seville Spain
- Centre for Biomedical Network Research on Rare Diseases (CIBERER) Seville Spain
| | - Guillermo Antiñolo
- Department of Maternofetal Medicine, Genetics and Reproduction, Institute of Biomedicine of Seville (IBIS)University Hospital Virgen del Rocío/CSIC/University of Seville Seville Spain
- Centre for Biomedical Network Research on Rare Diseases (CIBERER) Seville Spain
| | - Salud Borrego
- Department of Maternofetal Medicine, Genetics and Reproduction, Institute of Biomedicine of Seville (IBIS)University Hospital Virgen del Rocío/CSIC/University of Seville Seville Spain
- Centre for Biomedical Network Research on Rare Diseases (CIBERER) Seville Spain
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37
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Shin JO, Lee JM, Bok J, Jung HS. Inhibition of the Zeb family prevents murine palatogenesis through regulation of apoptosis and the cell cycle. Biochem Biophys Res Commun 2018; 506:223-230. [DOI: 10.1016/j.bbrc.2018.10.079] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 10/13/2018] [Indexed: 01/30/2023]
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Epifanova E, Babaev A, Newman AG, Tarabykin V. Role of Zeb2/Sip1 in neuronal development. Brain Res 2018; 1705:24-31. [PMID: 30266271 DOI: 10.1016/j.brainres.2018.09.034] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 09/04/2018] [Accepted: 09/25/2018] [Indexed: 11/28/2022]
Abstract
Zeb2 (Sip1, Zfhx1b) is a transcription factor that plays essential role in neuronal development. Sip1 mutation in humans was shown to cause Mowat-Wilson syndrome, a syndromic form of Hirschprung's disease. Affected individuals exhibit multiple severe neurodevelopmental defects. Zeb2 can act as both transcriptional repressor and activator. It controls expression of a wide number of genes that regulate various aspects of neuronal development. This review addresses the molecular pathways acting downstream of Zeb2 that cause brain development disorders.
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Affiliation(s)
- Ekaterina Epifanova
- Institute of Cell Biology and Neurobiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany; Lobachevsky State University of Nizhny Novgorod, Gagarina ave 23, 603950 Nizhny Novgorod, Russia
| | - Alexey Babaev
- Lobachevsky State University of Nizhny Novgorod, Gagarina ave 23, 603950 Nizhny Novgorod, Russia
| | - Andrew G Newman
- Institute of Cell Biology and Neurobiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Victor Tarabykin
- Institute of Cell Biology and Neurobiology, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany; Lobachevsky State University of Nizhny Novgorod, Gagarina ave 23, 603950 Nizhny Novgorod, Russia.
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39
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Ke J, Zhu Y, Miao X. The advances of genetics research on Hirschsprung's disease. Pediatr Investig 2018; 2:189-195. [PMID: 32851260 PMCID: PMC7391411 DOI: 10.1002/ped4.12062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 09/05/2018] [Indexed: 12/26/2022] Open
Abstract
Hirschsprung's disease (HSCR) is a rare and complex congenital disorder characterized by the absence of the enteric neurons in lower digestive tract with an incidence of 1/5 000. Affected infant usually suffer from severe constipation with megacolon and distended abdomen, and face long-term complications even after surgery. In the last 2 decades, great efforts and progresses have been made in understanding the genetics and molecular biological mechanisms that underlie HSCR. However, only a small fraction of the genetic risk can be explained by the identified mutations in the previously established genes. To search novel genetic alterations, new study designs with advanced technologies such as genome/exome-wide association studies (GWASs/EWASs) and next generation sequencing (NGS) on target genes or whole genome/exome, were applied to HSCR. In this review, we summaries the current development of the genetics researches on HSCR based on GWASs/EWASs and NGS, focusing on the newly discovered variants and genes, and their potential roles in HSCR pathogenesis.
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Affiliation(s)
- Juntao Ke
- State Key Laboratory of Environment Health (Incubation)Key Laboratory of Environment & Health (Ministry of Education), Ministry of Environmental Protection Key Laboratory of Environment and Health (Wuhan)WuhanChina
- Department of Epidemiology and BiostatisticsSchool of Public HealthTongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Ying Zhu
- State Key Laboratory of Environment Health (Incubation)Key Laboratory of Environment & Health (Ministry of Education), Ministry of Environmental Protection Key Laboratory of Environment and Health (Wuhan)WuhanChina
- Department of Epidemiology and BiostatisticsSchool of Public HealthTongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Xiaoping Miao
- State Key Laboratory of Environment Health (Incubation)Key Laboratory of Environment & Health (Ministry of Education), Ministry of Environmental Protection Key Laboratory of Environment and Health (Wuhan)WuhanChina
- Department of Epidemiology and BiostatisticsSchool of Public HealthTongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
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40
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Balcik-Ercin P, Cetin M, Yalim-Camci I, Odabas G, Tokay N, Sayan AE, Yagci T. Genome-wide analysis of endogenously expressed ZEB2 binding sites reveals inverse correlations between ZEB2 and GalNAc-transferase GALNT3 in human tumors. Cell Oncol (Dordr) 2018; 41:379-393. [PMID: 29516288 DOI: 10.1007/s13402-018-0375-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/22/2018] [Indexed: 10/17/2022] Open
Abstract
BACKGROUND ZEB2 is a transcriptional repressor that regulates epithelial-to-mesenchymal transition (EMT) through binding to bipartite E-box motifs in gene regulatory regions. Despite the abundant presence of E-boxes within the human genome and the multiplicity of pathophysiological processes regulated during ZEB2-induced EMT, only a small fraction of ZEB2 targets has been identified so far. Hence, we explored genome-wide ZEB2 binding by chromatin immunoprecipitation-sequencing (ChIP-seq) under endogenous ZEB2 expression conditions. METHODS For ChIP-Seq we used an anti-ZEB2 monoclonal antibody, clone 6E5, in SNU398 hepatocellular carcinoma cells exhibiting a high endogenous ZEB2 expression. The ChIP-Seq targets were validated using ChIP-qPCR, whereas ZEB2-dependent expression of target genes was assessed by RT-qPCR and Western blotting in shRNA-mediated ZEB2 silenced SNU398 cells and doxycycline-induced ZEB2 overexpressing colorectal carcinoma DLD1 cells. Changes in target gene expression were also assessed using primary human tumor cDNA arrays in conjunction with RT-qPCR. Additional differential expression and correlation analyses were performed using expO and Human Protein Atlas datasets. RESULTS Over 500 ChIP-Seq positive genes were annotated, and intervals related to these genes were found to include the ZEB2 binding motif CACCTG according to TOMTOM motif analysis in the MEME Suite database. Assessment of ZEB2-dependent expression of target genes in ZEB2-silenced SNU398 cells and ZEB2-induced DLD1 cells revealed that the GALNT3 gene serves as a ZEB2 target with the highest, but inversely correlated, expression level. Remarkably, GALNT3 also exhibited the highest enrichment in the ChIP-qPCR validation assays. Through the analyses of primary tumor cDNA arrays and expO datasets a significant differential expression and a significant inverse correlation between ZEB2 and GALNT3 expression were detected in most of the tumors. We also explored ZEB2 and GALNT3 protein expression using the Human Protein Atlas dataset and, again, observed an inverse correlation in all analyzed tumor types, except malignant melanoma. In contrast to a generally negative or weak ZEB2 expression, we found that most tumor tissues exhibited a strong or moderate GALNT3 expression. CONCLUSIONS Our observation that ZEB2 negatively regulates a GalNAc-transferase (GALNT3) that is involved in O-glycosylation adds another layer of complexity to the role of ZEB2 in cancer progression and metastasis. Proteins glycosylated by GALNT3 may be exploited as novel diagnostics and/or therapeutic targets.
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Affiliation(s)
- Pelin Balcik-Ercin
- Department of Molecular Biology and Genetics, Laboratory of Molecular Oncology, Gebze Technical University, C2-Building, 41400, Gebze-Kocaeli, Turkey
| | - Metin Cetin
- Department of Molecular Biology and Genetics, Laboratory of Molecular Oncology, Gebze Technical University, C2-Building, 41400, Gebze-Kocaeli, Turkey
| | - Irem Yalim-Camci
- Department of Molecular Biology and Genetics, Laboratory of Molecular Oncology, Gebze Technical University, C2-Building, 41400, Gebze-Kocaeli, Turkey
| | - Gorkem Odabas
- Department of Molecular Biology and Genetics, Laboratory of Molecular Oncology, Gebze Technical University, C2-Building, 41400, Gebze-Kocaeli, Turkey
| | - Nurettin Tokay
- Department of Molecular Biology and Genetics, Laboratory of Molecular Oncology, Gebze Technical University, C2-Building, 41400, Gebze-Kocaeli, Turkey
| | - A Emre Sayan
- Faculty of Medicine, Cancer Sciences, University of Southampton, Somers Building, Tremona Road, Southampton, SO16 6YD, UK
| | - Tamer Yagci
- Department of Molecular Biology and Genetics, Laboratory of Molecular Oncology, Gebze Technical University, C2-Building, 41400, Gebze-Kocaeli, Turkey.
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41
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Migration and diversification of the vagal neural crest. Dev Biol 2018; 444 Suppl 1:S98-S109. [PMID: 29981692 DOI: 10.1016/j.ydbio.2018.07.004] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 07/03/2018] [Accepted: 07/03/2018] [Indexed: 12/17/2022]
Abstract
Arising within the neural tube between the cranial and trunk regions of the body axis, the vagal neural crest shares interesting similarities in its migratory routes and derivatives with other neural crest populations. However, the vagal neural crest is also unique in its ability to contribute to diverse organs including the heart and enteric nervous system. This review highlights the migratory routes of the vagal neural crest and compares them across multiple vertebrates. We also summarize recent advances in understanding vagal neural crest ontogeny and discuss the contribution of this important neural crest population to the cardiovascular system and endoderm-derived organs, including the thymus, lungs and pancreas.
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Wei W, Liu B, Jiang H, Jin K, Xiang M. Requirement of the Mowat-Wilson Syndrome Gene Zeb2 in the Differentiation and Maintenance of Non-photoreceptor Cell Types During Retinal Development. Mol Neurobiol 2018; 56:1719-1736. [PMID: 29922981 DOI: 10.1007/s12035-018-1186-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 06/07/2018] [Indexed: 12/01/2022]
Abstract
Mutations in the human transcription factor gene ZEB2 cause Mowat-Wilson syndrome, a congenital disorder characterized by multiple and variable anomalies including microcephaly, Hirschsprung disease, intellectual disability, epilepsy, microphthalmia, retinal coloboma, and/or optic nerve hypoplasia. Zeb2 in mice is involved in patterning neural and lens epithelia, neural tube closure, as well as in the specification, differentiation and migration of neural crest cells and cortical neurons. At present, it is still unclear how Zeb2 mutations cause retinal coloboma, whether Zeb2 inactivation results in retinal degeneration, and whether Zeb2 is sufficient to promote the differentiation of different retinal cell types. Here, we show that during mouse retinal development, Zeb2 is expressed transiently in early retinal progenitors and in all non-photoreceptor cell types including bipolar, amacrine, horizontal, ganglion, and Müller glial cells. Its retina-specific ablation causes severe loss of all non-photoreceptor cell types, cell fate switch to photoreceptors by retinal progenitors, and elevated apoptosis, which lead to age-dependent retinal degeneration, optic nerve hypoplasia, synaptic connection defects, and impaired ERG (electroretinogram) responses. Moreover, overexpression of Zeb2 is sufficient to promote the fate of all non-photoreceptor cell types at the expense of photoreceptors. Together, our data not only suggest that Zeb2 is both necessary and sufficient for the differentiation of non-photoreceptor cell types while simultaneously inhibiting the photoreceptor cell fate by repressing transcription factor genes involved in photoreceptor specification and differentiation, but also reveal a necessity of Zeb2 in the long-term maintenance of retinal cell types. This work helps to decipher the etiology of retinal atrophy associated with Mowat-Wilson syndrome and hence will impact on clinical diagnosis and management of the patients suffering from this syndrome.
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Affiliation(s)
- Wen Wei
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China
| | - Bin Liu
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China.,Institute for Metabolic and Neuropsychiatric Disorders, Binzhou Medical University Hospital, Binzhou, China
| | - Haisong Jiang
- Center for Advanced Biotechnology and Medicine and Department of Pediatrics, Rutgers University-Robert Wood Johnson Medical School, 679 Hoes Lane West, Piscataway, NJ, 08854, USA
| | - Kangxin Jin
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China.
| | - Mengqing Xiang
- State Key Laboratory of Ophthalmology, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, 510060, China. .,Center for Advanced Biotechnology and Medicine and Department of Pediatrics, Rutgers University-Robert Wood Johnson Medical School, 679 Hoes Lane West, Piscataway, NJ, 08854, USA. .,Guangdong Provincial Key Laboratory of Brain Function and Disease, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China.
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43
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Zhao W, Zhang SC, Huang WK, Li XL. Mutations in Smad-interacting protein 1 gene are responsible for absence of its expression in Hirschsprung's disease. Clin Exp Med 2018; 18:445-451. [PMID: 29600337 DOI: 10.1007/s10238-018-0496-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 03/06/2018] [Indexed: 12/14/2022]
Abstract
Hirschsprung's disease (HSCR) is a common congenital malformation of the enteric nervous system. The pathophysiological basis remains unclear. Recently, the SIP1 gene has been recognized as being involved in the pathogenesis of symptomatic HSCR patients with 2q22 chromosomal rearrangement. In this study, mutations in SIP1 were analyzed to explore the relationship between SIP1 and HSCR. All exons of SIP1 were amplified and then analyzed by PCR-restriction fragment length polymorphism (PCR-RFLP) and DNA sequencing. SIP1 expression was determined by immunohistochemistry, Western blot and real-time quantitative PCR. By PCR-RFLP, three different electrophoretic bands of 536, 428 and 257 bp representing different genotypes were demonstrated accordingly. DNA sequencing revealed a heterozygous absence of codon 157 GTG → GTA exchange at exon 7. Simultaneously, exchanges of GCC → ACC at codon 351 and ACC → GCC at codon 395 were also observed in exon 8. All the exchanges caused a missense mutation. By immunohistochemistry, SIP1 was ectopically expressed in the aganglionic segment of HSCR without mutation. For comparison, in HSCR with mutation either in exon 7 or exon 8, SIP1 immunoreactivity disappeared in all structures. The protein and mRNA levels determined by Western blot and real-time quantitative PCR were consistent with that of immunohistochemistry. In summary, mutations of the SIP1 gene were detected in HSCR. These mutations in SIP1 were responsible for the absence of its expression in HSCR and contributed to the pathogenesis of this disease.
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Affiliation(s)
- Wei Zhao
- Department of Pediatric Surgery, Key Laboratory of Chinese Health Ministry for Congenital Malformations, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang, 110004, People's Republic of China
| | - Shu-Cheng Zhang
- Department of Pediatric Surgery, Key Laboratory of Chinese Health Ministry for Congenital Malformations, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang, 110004, People's Republic of China.
| | - Wen-Kai Huang
- Department of Pediatric Surgery, Key Laboratory of Chinese Health Ministry for Congenital Malformations, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang, 110004, People's Republic of China
| | - Xue-Li Li
- Department of Pediatric Surgery, Key Laboratory of Chinese Health Ministry for Congenital Malformations, Shengjing Hospital of China Medical University, 36 Sanhao Street, Heping District, Shenyang, 110004, People's Republic of China
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44
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Spunton M, Garavelli L, Mainardi PC, Emmig U, Finale E, Guala A. Anesthesia in Mowat-Wilson syndrome: information on 11 Italian patients. Pediatr Rep 2018; 10:7514. [PMID: 29721247 PMCID: PMC5907729 DOI: 10.4081/pr.2018.7514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 02/14/2018] [Accepted: 02/28/2018] [Indexed: 12/02/2022] Open
Abstract
Mowat-Wilson syndrome is a genetic disease caused by heterozygous mutations or deletions of the ZEB2 gene and characterized by typical clinical features. The congenital malformations typical of this syndrome call for early diagnostic and surgical procedures requiring general anesthesia, but few information about the anesthesiology management of such patients is available. We enrolled 11 families of patients with Mowat-Wilson syndrome who had undergone surgical or diagnostic procedures requiring general anesthesia, and sent them a retrospective questionnaire including 16 open questions about the procedures. They were further contacted by phone for a semistructured interview. A total of 37 procedures requiring general anesthesia was reported in 11 patients. Only two patients reported anesthesia-related complications during the procedure. No true additional anesthesiarelated risk was present for the patients with MW syndrome, besides difficult intubation, weaning and lower respiratory tract infection. Perception of risk, however, is derived by non-medical observation on the part of the parents.
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Affiliation(s)
| | - Livia Garavelli
- Clinical Genetics Unit, Obstetric and Pediatric Department, S. Maria Nuova Hospital, Reggio Emilia
| | | | - Uta Emmig
- Department of Anesthesia, S. Biagio Hospital, Domodossola, Italy
| | - Enrico Finale
- Department of Pediatrics, Castelli Hospital, Verbania
| | - Andrea Guala
- Department of Pediatrics, Castelli Hospital, Verbania
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45
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Transcriptional Regulator ZEB2 Is Essential for Bergmann Glia Development. J Neurosci 2018; 38:1575-1587. [PMID: 29326173 DOI: 10.1523/jneurosci.2674-17.2018] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 12/25/2017] [Accepted: 01/05/2018] [Indexed: 11/21/2022] Open
Abstract
Bergmann glia facilitate granule neuron migration during development and maintain the cerebellar organization and functional integrity. At present, molecular control of Bergmann glia specification from cerebellar radial glia is not fully understood. In this report, we show that ZEB2 (aka, SIP1 or ZFHX1B), a Mowat-Wilson syndrome-associated transcriptional regulator, is highly expressed in Bergmann glia, but hardly detectable in astrocytes in the cerebellum. The mice lacking Zeb2 in cerebellar radial glia exhibit severe deficits in Bergmann glia specification, and develop cerebellar cortical lamination dysgenesis and locomotion defects. In developing Zeb2-mutant cerebella, inward migration of granule neuron progenitors is compromised, the proliferation of glial precursors is reduced, and radial glia fail to differentiate into Bergmann glia in the Purkinje cell layer. In contrast, Zeb2 ablation in granule neuron precursors or oligodendrocyte progenitors does not affect Bergmann glia formation, despite myelination deficits caused by Zeb2 mutation in the oligodendrocyte lineage. Transcriptome profiling identified that ZEB2 regulates a set of Bergmann glia-related genes and FGF, NOTCH, and TGFβ/BMP signaling pathway components. Our data reveal that ZEB2 acts as an integral regulator of Bergmann glia formation ensuring maintenance of cerebellar integrity, suggesting that ZEB2 dysfunction in Bergmann gliogenesis might contribute to motor deficits in Mowat-Wilson syndrome.SIGNIFICANCE STATEMENT Bergmann glia are essential for proper cerebellar organization and functional circuitry, however, the molecular mechanisms that control the specification of Bergmann glia remain elusive. Here, we show that transcriptional factor ZEB2 is highly expressed in mature Bergmann glia, but not in cerebellar astrocytes. The mice lacking Zeb2 in cerebellar radial glia, but not oligodendrocyte progenitors or granular neuron progenitors, exhibit severe defects in Bergmann glia formation. The orderly radial scaffolding formed by Bergmann glial fibers critical for cerebellar lamination was not established in Zeb2 mutants, displaying motor behavior deficits. This finding demonstrates a previously unrecognized critical role for ZEB2 in Bergmann glia specification, and points to an important contribution of ZEB2 dysfunction to cerebellar motor disorders in Mowat-Wilson syndrome.
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46
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Phenotype and genotype of 87 patients with Mowat-Wilson syndrome and recommendations for care. Genet Med 2018; 20:965-975. [PMID: 29300384 DOI: 10.1038/gim.2017.221] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Accepted: 10/30/2017] [Indexed: 12/22/2022] Open
Abstract
PURPOSE Mowat-Wilson syndrome (MWS) is a rare intellectual disability/multiple congenital anomalies syndrome caused by heterozygous mutation of the ZEB2 gene. It is generally underestimated because its rarity and phenotypic variability sometimes make it difficult to recognize. Here, we aimed to better delineate the phenotype, natural history, and genotype-phenotype correlations of MWS. METHODS In a collaborative study, we analyzed clinical data for 87 patients with molecularly confirmed diagnosis. We described the prevalence of all clinical aspects, including attainment of neurodevelopmental milestones, and compared the data with the various types of underlying ZEB2 pathogenic variations. RESULTS All anthropometric, somatic, and behavioral features reported here outline a variable but highly consistent phenotype. By presenting the most comprehensive evaluation of MWS to date, we define its clinical evolution occurring with age and derive suggestions for patient management. Furthermore, we observe that its severity correlates with the kind of ZEB2 variation involved, ranging from ZEB2 locus deletions, associated with severe phenotypes, to rare nonmissense intragenic mutations predicted to preserve some ZEB2 protein functionality, accompanying milder clinical presentations. CONCLUSION Knowledge of the phenotypic spectrum of MWS and its correlation with the genotype will improve its detection rate and the prediction of its features, thus improving patient care.
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47
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Uribe RA, Hong SS, Bronner ME. Retinoic acid temporally orchestrates colonization of the gut by vagal neural crest cells. Dev Biol 2018; 433:17-32. [PMID: 29108781 PMCID: PMC5722660 DOI: 10.1016/j.ydbio.2017.10.021] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 10/23/2017] [Indexed: 02/06/2023]
Abstract
The enteric nervous system arises from neural crest cells that migrate as chains into and along the primitive gut, subsequently differentiating into enteric neurons and glia. Little is known about the mechanisms governing neural crest migration en route to and along the gut in vivo. Here, we report that Retinoic Acid (RA) temporally controls zebrafish enteric neural crest cell chain migration. In vivo imaging reveals that RA loss severely compromises the integrity and migration of the chain of neural crest cells during the window of time window when they are moving along the foregut. After loss of RA, enteric progenitors accumulate in the foregut and differentiate into enteric neurons, but subsequently undergo apoptosis resulting in a striking neuronal deficit. Moreover, ectopic expression of the transcription factor meis3 and/or the receptor ret, partially rescues enteric neuron colonization after RA attenuation. Collectively, our findings suggest that retinoic acid plays a critical temporal role in promoting enteric neural crest chain migration and neuronal survival upstream of Meis3 and RET in vivo.
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Affiliation(s)
- Rosa A Uribe
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA; Department of Biosciences, Rice University, Houston, TX 77005, USA.
| | - Stephanie S Hong
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Marianne E Bronner
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
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48
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Ampuja M, Kallioniemi A. Transcription factors-Intricate players of the bone morphogenetic protein signaling pathway. Genes Chromosomes Cancer 2017; 57:3-11. [DOI: 10.1002/gcc.22502] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 08/28/2017] [Accepted: 08/28/2017] [Indexed: 12/14/2022] Open
Affiliation(s)
- M. Ampuja
- BioMediTech Institute and Faculty of Medicine and Life Sciences; University of Tampere; Tampere Finland
| | - Anne Kallioniemi
- BioMediTech Institute and Faculty of Medicine and Life Sciences; University of Tampere; Tampere Finland
- Fimlab Laboratories; Tampere Finland
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49
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Katsura A, Tamura Y, Hokari S, Harada M, Morikawa M, Sakurai T, Takahashi K, Mizutani A, Nishida J, Yokoyama Y, Morishita Y, Murakami T, Ehata S, Miyazono K, Koinuma D. ZEB1-regulated inflammatory phenotype in breast cancer cells. Mol Oncol 2017; 11:1241-1262. [PMID: 28618162 PMCID: PMC5579340 DOI: 10.1002/1878-0261.12098] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 06/04/2017] [Indexed: 12/20/2022] Open
Abstract
Zinc finger E‐box binding protein 1 (ZEB1) and ZEB2 induce epithelial‐mesenchymal transition (EMT) and enhance cancer progression. However, the global view of transcriptional regulation by ZEB1 and ZEB2 is yet to be elucidated. Here, we identified a ZEB1‐regulated inflammatory phenotype in breast cancer cells using chromatin immunoprecipitation sequencing and RNA sequencing, followed by gene set enrichment analysis (GSEA) of ZEB1‐bound genes. Knockdown of ZEB1 and/or ZEB2 resulted in the downregulation of genes encoding inflammatory cytokines related to poor prognosis in patients with cancer, including IL6 and IL8, therefore suggesting that ZEB1 and ZEB2 have similar functions in terms of the regulation of production of inflammatory cytokines. Antibody array and ELISA experiments confirmed that ZEB1 controlled the production of the IL‐6 and IL‐8 proteins. The secretory proteins regulated by ZEB1 enhanced breast cancer cell proliferation and tumor growth. ZEB1 expression in breast cancer cells also affected the growth of fibroblasts in cell culture, and the accumulation of myeloid‐derived suppressor cells in tumors in vivo. These findings provide insight into the role of ZEB1 in the progression of cancer, mediated by inflammatory cytokines, along with the initiation of EMT.
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Affiliation(s)
- Akihiro Katsura
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan
| | - Yusuke Tamura
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan
| | - Satoshi Hokari
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan.,Department of Respiratory Medicine and Infectious Disease, Graduate School of Medical and Dental Sciences, Niigata University, Japan
| | - Mayumi Harada
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan.,Department of Metabolic Care and Endocrine Surgery, Graduate School of Medicine, The University of Tokyo, Japan
| | - Masato Morikawa
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan
| | - Tsubasa Sakurai
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan
| | - Kei Takahashi
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan
| | - Anna Mizutani
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan
| | - Jun Nishida
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan
| | - Yuichiro Yokoyama
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan
| | - Yasuyuki Morishita
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan
| | - Takashi Murakami
- Department of Microbiology, Faculty of Medicine, Saitama Medical University, Moroyama, Japan
| | - Shogo Ehata
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan
| | - Kohei Miyazono
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan
| | - Daizo Koinuma
- Department of Molecular Pathology, Graduate School of Medicine, The University of Tokyo, Japan
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50
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Garavelli L, Ivanovski I, Caraffi SG, Santodirocco D, Pollazzon M, Cordelli DM, Abdalla E, Accorsi P, Adam MP, Baldo C, Bayat A, Belligni E, Bonvicini F, Breckpot J, Callewaert B, Cocchi G, Cuturilo G, Devriendt K, Dinulos MB, Djuric O, Epifanio R, Faravelli F, Formisano D, Giordano L, Grasso M, Grønborg S, Iodice A, Iughetti L, Lacombe D, Maggi M, Malbora B, Mammi I, Moutton S, Møller R, Muschke P, Napoli M, Pantaleoni C, Pascarella R, Pellicciari A, Poch-Olive ML, Raviglione F, Rivieri F, Russo C, Savasta S, Scarano G, Selicorni A, Silengo M, Sorge G, Tarani L, Tone LG, Toutain A, Trimouille A, Valera ET, Vergano SS, Zanotta N, Zollino M, Dobyns WB, Paciorkowski AR. Neuroimaging findings in Mowat-Wilson syndrome: a study of 54 patients. Genet Med 2017; 19:691-700. [PMID: 27831545 PMCID: PMC5438871 DOI: 10.1038/gim.2016.176] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 09/22/2016] [Indexed: 11/25/2022] Open
Abstract
PURPOSE Mowat-Wilson syndrome (MWS) is a genetic disease characterized by distinctive facial features, moderate to severe intellectual disability, and congenital malformations, including Hirschsprung disease, genital and eye anomalies, and congenital heart defects, caused by haploinsufficiency of the ZEB2 gene. To date, no characteristic pattern of brain dysmorphology in MWS has been defined. METHODS Through brain magnetic resonance imaging (MRI) analysis, we delineated a neuroimaging phenotype in 54 MWS patients with a proven ZEB2 defect, compared it with the features identified in a thorough review of published cases, and evaluated genotype-phenotype correlations. RESULTS Ninety-six percent of patients had abnormal MRI results. The most common features were anomalies of corpus callosum (79.6% of cases), hippocampal abnormalities (77.8%), enlargement of cerebral ventricles (68.5%), and white matter abnormalities (reduction of thickness 40.7%, localized signal alterations 22.2%). Other consistent findings were large basal ganglia, cortical, and cerebellar malformations. Most features were underrepresented in the literature. We also found ZEB2 variations leading to synthesis of a defective protein to be favorable for psychomotor development and some epilepsy features but also associated with corpus callosum agenesis. CONCLUSION This study delineated the spectrum of brain anomalies in MWS and provided new insights into the role of ZEB2 in neurodevelopment.Genet Med advance online publication 10 November 2016.
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Affiliation(s)
- Livia Garavelli
- Clinical Genetics Unit, Department of Obstetrics and Pediatrics, Arcispedale Santa Maria Nuova–IRCCS, Reggio Emilia, Italy
| | - Ivan Ivanovski
- Clinical Genetics Unit, Department of Obstetrics and Pediatrics, Arcispedale Santa Maria Nuova–IRCCS, Reggio Emilia, Italy
- Department of Surgical, Medical, Dental, and Morphological Sciences with interest in Transplant, Oncology and Regenerative Medicine, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Daniela Santodirocco
- Clinical Genetics Unit, Department of Obstetrics and Pediatrics, Arcispedale Santa Maria Nuova–IRCCS, Reggio Emilia, Italy
| | - Marzia Pollazzon
- Clinical Genetics Unit, Department of Obstetrics and Pediatrics, Arcispedale Santa Maria Nuova–IRCCS, Reggio Emilia, Italy
| | - Duccio Maria Cordelli
- Child Neurology and Psychiatry Unit, S Orsola Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Ebtesam Abdalla
- Department of Medical Genetics, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Human Genetics, Medical Research Institute, University of Alexandria, Alexandria, Egypt
| | | | - Margaret P. Adam
- Division of Genetic Medicine, University of Washington School of Medicine, Seattle, Washington, USA
| | - Chiara Baldo
- Laboratory of Human Genetics, Galliera Hospital, Genoa, Italy
| | - Allan Bayat
- Department of Pediatrics, University Hospital of Copenhagen/Hvidovre, Copenhagen, Denmark
- Department of Clinical Genetics, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark
| | - Elga Belligni
- Department of Paediatrics, University of Torino, Torino, Italy
| | - Federico Bonvicini
- Clinical Genetics Unit, Department of Obstetrics and Pediatrics, Arcispedale Santa Maria Nuova–IRCCS, Reggio Emilia, Italy
- Pediatric Unit, Department of Medical and Surgical Sciences for Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Jeroen Breckpot
- Center for Human Genetics, Catholic University of Leuven, Leuven, Belgium
| | - Bert Callewaert
- Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium
| | - Guido Cocchi
- Neonatology Unit, S. Orsola-Malpighi Hospital, University of Bologna, Bologna, Italy
| | - Goran Cuturilo
- Faculty of Medicine, University of Belgrade, Belgrade, Serbia
- Department of Medical Genetics, University Children's Hospital, Belgrade, Serbia
| | - Koenraad Devriendt
- Center for Human Genetics, Catholic University of Leuven, Leuven, Belgium
| | - Mary Beth Dinulos
- Department of Pediatrics, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire, USA
| | - Olivera Djuric
- Clinical Genetics Unit, Department of Obstetrics and Pediatrics, Arcispedale Santa Maria Nuova–IRCCS, Reggio Emilia, Italy
| | - Roberta Epifanio
- Clinical Neurophysiology Unit, IRCCS, E Medea Scientific Institute, Lecco, Italy
| | - Francesca Faravelli
- Clinical Genetics, NE Thames Regional Genetics Service, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
| | - Debora Formisano
- Scientific Directorate, Arcispedale Santa Maria Nuova–IRCCS, Reggio Emilia, Italy
| | - Lucio Giordano
- Neurophychiatric Department, Spedali Civili Brescia, Italy
| | - Marina Grasso
- Laboratory of Human Genetics, Galliera Hospital, Genoa, Italy
| | - Sabine Grønborg
- Center for Rare Diseases, Department of Clinical Genetics, University Hospital Copenhagen, Copenhagen, Denmark
| | - Alessandro Iodice
- Neuropsychiatric Department, Arcispedale Santa Maria Nuova–IRCCS, Reggio Emilia, Italy
| | - Lorenzo Iughetti
- Pediatric Unit, Department of Medical and Surgical Sciences for Mothers, Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Didier Lacombe
- Génétique Médicale, CHU, Bordeaux, France
- INSERM U1211, Univ. Bordeaux, Bordeaux, France
| | - Massimo Maggi
- Neuroradiology Unit, Arcispedale Santa Maria Nuova–IRCCS, Reggio Emilia, Italy
| | - Baris Malbora
- Department of Pediatric Hematology & Oncology, Tepecik Training and Research Hospital, Izmir, Turkey
| | | | - Sebastien Moutton
- Génétique Médicale, CHU, Bordeaux, France
- CHU Bordeaux, Centre de Référence des Anomalies du Développement Embryonnaire, Service de Génétique Médicale, Bordeaux, France
| | - Rikke Møller
- Danish Epilepsy Centre, Dianalund, Denmark
- Institute for Regional Health Services, University of Southern Denmark, Odense, Denmark
| | - Petra Muschke
- Institute for Human Genetics, University Hospital Magdeburg, Magdeburg, Germany
| | - Manuela Napoli
- Neuroradiology Unit, Arcispedale Santa Maria Nuova–IRCCS, Reggio Emilia, Italy
| | - Chiara Pantaleoni
- Developmental Neurology Department, IRCCS Fondazione Istituto Neurologico “C. Besta,” Milan, Italy
| | - Rosario Pascarella
- Neuroradiology Unit, Arcispedale Santa Maria Nuova–IRCCS, Reggio Emilia, Italy
| | - Alessandro Pellicciari
- Child Neurology and Psychiatry Unit, S Orsola Malpighi Hospital, University of Bologna, Bologna, Italy
| | | | - Federico Raviglione
- Clinical Neurophysiology and Epilepsy Center, Carlo Besta Neurological Institute, IRCCS, Milano, Italy
| | | | - Carmela Russo
- Neuroradiology Unit, Arcispedale Santa Maria Nuova–IRCCS, Reggio Emilia, Italy
| | | | | | - Angelo Selicorni
- Department of Pediatrics, Hospital S. Gerardo, University of Milano–Bicocca, Monza, Italy
- Department of Pediatrics, ASST Lariana, Como, Italy
| | | | - Giovanni Sorge
- Department of Pediatrics and Medical sciences, ‘‘Vittorio Emanuele” Hospital, University of Catania, Catania, Italy
| | - Luigi Tarani
- Department of Pediatrics, University ‘‘La Sapienza,'' Rome, Italy
| | - Luis Gonzaga Tone
- Department of Pediatrics, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Annick Toutain
- Department of Genetics, Tours University Hospital, Tours, France
| | | | - Elvis Terci Valera
- Department of Pediatrics, Ribeirão Preto Medical School, University of São Paulo, São Paulo, Brazil
| | - Samantha Schrier Vergano
- Department of Pediatrics, Eastern Virginia Medical School, Norfolk, Virginia, USA
- Division of Medical Genetics and Metabolism, Children's Hospital of The King's Daughters, Norfolk, Virginia, USA
| | - Nicoletta Zanotta
- Clinical Neurophysiology Unit, IRCCS, E Medea Scientific Institute, Lecco, Italy
| | - Marcella Zollino
- Institute of Genomic Medicine, Catholic University, Gemelli Hospital Foundation, Roma, Italy
| | - William B Dobyns
- Department of Pediatrics and Department of Neurology, University of Washington, Seattle, Washington, USA
- Center for Integrative Brain Research, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Alex R Paciorkowski
- Department of Pediatrics, University of Rochester Medical Center, Rochester, New York, USA
- Department of Neurology, University of Rochester Medical Center, Rochester, New York, USA
- Department of Biomedical Genetics, University of Rochester Medical Center, Rochester, New York, USA
- Center for Neural Development and Disease, University of Rochester Medical Center, Rochester, New York, USA
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