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Lima AR, Ferreira BM, Zhang C, Jolly A, Du H, White JJ, Dawood M, Lins TC, Chiabai MA, van Beusekom E, Cordoba MS, Caldas Rosa ECC, Kayserili H, Kimonis V, Wu E, Mellado C, Aggarwal V, Richieri-Costa A, Brunoni D, Canó TM, Jorge AAL, Kim CA, Honjo R, Bertola DR, Dandalo-Girardi RM, Bayram Y, Gezdirici A, Yilmaz-Gulec E, Gumus E, Yilmaz GC, Okamoto N, Ohashi H, Coban-Akdemir Z, Mitani T, Jhangiani SN, Muzny DM, Regattieri NAP, Pogue R, Pereira RW, Otto PA, Gibbs RA, Ali BR, van Bokhoven H, Brunner HG, Reid Sutton V, Lupski JR, Vianna-Morgante AM, Carvalho CMB, Mazzeu JF. Phenotypic and mutational spectrum of ROR2-related Robinow syndrome. Hum Mutat 2022; 43:900-918. [PMID: 35344616 DOI: 10.1002/humu.24375] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 02/05/2023]
Abstract
Robinow syndrome is characterized by a triad of craniofacial dysmorphisms, disproportionate-limb short stature and genital hypoplasia. A significant degree of phenotypic variability seems to correlate with different genes/loci. Disturbances of the non-canonical WNT-pathway have been identified as the main cause of the syndrome. Biallelic variants in ROR2 cause an autosomal recessive form of the syndrome with distinctive skeletal findings. Twenty-two patients with a clinical diagnosis of autosomal recessive Robinow syndrome were screened for variants in ROR2 using multiple molecular approaches. We identified 25 putatively pathogenic ROR2 variants, 16 novel, including single nucleotide variants and exonic deletions. Detailed phenotypic analyses revealed that all subjects presented with a prominent forehead, hypertelorism, short nose, abnormality of the nasal tip, brachydactyly, mesomelic limb shortening, short stature and genital hypoplasia in male patients. A total of 19 clinical features were present in more than 75% of the subjects, thus pointing to an overall uniformity of the phenotype. Disease-causing variants in ROR2, contribute to a clinically recognizable AR trait phenotype with multiple skeletal defects. A comprehensive quantitative clinical evaluation this cohort delineated the phenotypic spectrum of ROR2-related Robinow syndrome. The identification of exonic deletion variant alleles further supports the contention of a loss-of-function mechanism in the etiology of the syndrome. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Ariadne R Lima
- Programa de Pós-Graduação em Ciências da Saúde, Universidade de Brasília, Brasília, DF, Brasil
| | - Barbara M Ferreira
- Programa de Pós-Graduação em Ciências Médicas, Universidade de Brasília, Brasília, DF, Brasil
| | - Chaofan Zhang
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - Angad Jolly
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA.,Medical Scientist Training Program, Baylor College of Medicine, Houston, TX, USA
| | - Haowei Du
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - Janson J White
- Department of Pediatrics, University of Washington, Seattle, WA, USA
| | - Moez Dawood
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA.,Medical Scientist Training Program, Baylor College of Medicine, Houston, TX, USA.,Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA
| | - Tulio C Lins
- Programa de Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brasil
| | - Marcela A Chiabai
- Programa de Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brasil
| | | | - Mara S Cordoba
- Faculdade de Medicina, Universidade de Brasília, Brasília, DF, Brasil.,Hospital Universitário de Brasília, Brasília, Brasil
| | - Erica C C Caldas Rosa
- Programa de Pós-Graduação em Ciências da Saúde, Universidade de Brasília, Brasília, DF, Brasil
| | - Hulya Kayserili
- Koç University, School of Medicine (KUSoM), Medical Genetics Department, Istanbul, Turkey
| | - Virginia Kimonis
- Division of Genetics and Genomic Medicine, Dept. of Pediatrics, University of California-Irvine, Irvine, CA, USA
| | - Erica Wu
- Stanford University, Obstetrics and Gynecology, Stanford, CA, USA
| | - Cecilia Mellado
- Unidad de Genética, División de Pediatría, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Vineet Aggarwal
- Department of Orthopedics, Indira Gandhi Medical College, Snowdon, Shimla-1, India
| | | | - Décio Brunoni
- Universidade Presbiteriana Mackenzie - UPM, São Paulo, SP, Brasil
| | - Talyta M Canó
- Programa de Pós-Graduação em Ciências Médicas, Universidade de Brasília, Brasília, DF, Brasil.,Núcleo de Genética - SESDF, Brasília, DF, Brasil
| | - Alexander A L Jorge
- Unidade de Endocrinologia Genética, Laboratório de Endocrinologia Celular e Molecular LIM25, Disciplina de Endocrinologia da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brasil
| | - Chong A Kim
- Unidade de Genética, Instituto da Criança - Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Rachel Honjo
- Unidade de Genética, Instituto da Criança - Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Débora R Bertola
- Unidade de Endocrinologia Genética, Laboratório de Endocrinologia Celular e Molecular LIM25, Disciplina de Endocrinologia da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brasil.,Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Raissa M Dandalo-Girardi
- Programa de Mestrado Profissional em Aconselhamento Genético e Genômica Humana, Instituto de Biociências, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Yavuz Bayram
- Division of Genomic Diagnostics, Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, PA, USA.,Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Alper Gezdirici
- Department of Medical Genetics, Basaksehir Cam and Sakura City Hospital, Istanbul, Turkey
| | | | - Evren Gumus
- Medical Genetics Department, Medicine Faculty, Mugla Sitki Kocman University, Mugla, Turkey
| | - Gülay C Yilmaz
- Medical Genetics Department, Medicine Faculty, Mugla Sitki Kocman University, Mugla, Turkey
| | - Nobuhiko Okamoto
- Department of Medical Genetics, Osaka Women's and Children's Hospital, Osaka, Japan
| | - Hirofumi Ohashi
- Division of Medical Genetics, Saitama Children's Medical Center, Saitama, 330-8777, Japan
| | - Zeynep Coban-Akdemir
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA.,Human Genetics Center, Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, UT Health, Houston, TX, USA
| | - Tadahiro Mitani
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - Shalini N Jhangiani
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA
| | - Donna M Muzny
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA
| | | | - Robert Pogue
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA
| | - Rinaldo W Pereira
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA
| | - Paulo A Otto
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Richard A Gibbs
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA
| | - Bassam R Ali
- Department of Genetics and Genomics, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain, United Arab Emirates
| | - Hans van Bokhoven
- Programa de Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brasil
| | - Han G Brunner
- Programa de Pós-graduação em Ciências Genômicas e Biotecnologia, Universidade Católica de Brasília, Brasília, DF, Brasil
| | - V Reid Sutton
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA.,Texas Children's Hospital, Houston, TX, USA
| | - James R Lupski
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA.,Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA.,Texas Children's Hospital, Houston, TX, USA.,Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | - Angela M Vianna-Morgante
- Departamento de Genética e Biologia Evolutiva, Instituto de Biociências, Universidade de São Paulo, São Paulo, SP, Brasil
| | - Claudia M B Carvalho
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA.,Pacific Northwest Research Institute, Seattle, WA, USA
| | - Juliana F Mazzeu
- Programa de Pós-Graduação em Ciências da Saúde, Universidade de Brasília, Brasília, DF, Brasil.,Programa de Pós-Graduação em Ciências Médicas, Universidade de Brasília, Brasília, DF, Brasil.,Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands.,Robinow Syndrome Foundation, Anoka, MN, USA
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Weissenböck M, Latham R, Nishita M, Wolff LI, Ho HYH, Minami Y, Hartmann C. Genetic interactions between Ror2 and Wnt9a, Ror1 and Wnt9a and Ror2 and Ror1: Phenotypic analysis of the limb skeleton and palate in compound mutants. Genes Cells 2019; 24:307-317. [PMID: 30801848 DOI: 10.1111/gtc.12676] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 02/18/2019] [Accepted: 02/19/2019] [Indexed: 01/20/2023]
Abstract
Mutations in the human receptor tyrosine kinase ROR2 are associated with Robinow syndrome (RRS) and brachydactyly type B1. Amongst others, the shortened limb phenotype associated with RRS is recapitulated in Ror2-/- mutant mice. In contrast, Ror1-/- mutant mice are viable and show no limb phenotype. Ror1-/- ;Ror2-/- double mutants are embryonic lethal, whereas double mutants containing a hypomorphic Ror1 allele (Ror1hyp ) survive up to birth and display a more severe shortened limb phenotype. Both orphan receptors have been shown to act as possible Wnt coreceptors and to mediate the Wnt5a signal. Here, we analyzed genetic interactions between the Wnt ligand, Wnt9a, and Ror2 or Ror1, as Wnt9a has also been implicated in skeletal development. Wnt9a-/- single mutants display a mild shortening of the long bones, whereas these are severely shortened in Ror2-/- mutants. Ror2-/- ;Wnt9a-/- double mutants displayed even more severely shortened long bones, and intermediate phenotypes were observed in compound Ror2;Wnt9a mutants. Long bones were also shorter in Ror1hyp/hyp ;Wnt9a-/- double mutants. In addition, Ror1hyp/hyp ;Wnt9a-/- double mutants displayed a secondary palate cleft phenotype, which was not present in the respective single mutants. Interestingly, 50% of compound mutant pups heterozygous for Ror2 and homozygous mutant for Ror1 also developed a secondary palate cleft phenotype.
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Affiliation(s)
| | - Richard Latham
- Research Institute of Molecular Pathology, Vienna, Austria
| | - Michiru Nishita
- Division of Cell Physiology, Department of Physiology and Cell Biology, Graduate School of Medicine, Kobe University, Kobe, Japan
| | - Lena Ingeborg Wolff
- Department of Bone and Skeletal Research, Medical Faculty, Institute of Musculoskeletal Medicine, University of Münster, Münster, Germany
| | - Hsin-Yi Henry Ho
- Department of Cell Biology and Human Anatomy, University of California Davis School of Medicine, Davis, California
| | - Yasuhiro Minami
- Division of Cell Physiology, Department of Physiology and Cell Biology, Graduate School of Medicine, Kobe University, Kobe, Japan
| | - Christine Hartmann
- Department of Bone and Skeletal Research, Medical Faculty, Institute of Musculoskeletal Medicine, University of Münster, Münster, Germany
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6
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Huang J, Shi Y, Li H, Tan D, Yang M, Wu X. Knockdown of receptor tyrosine kinase-like orphan receptor 2 inhibits cell proliferation and colony formation in osteosarcoma cells by inducing arrest in cell cycle progression. Oncol Lett 2015; 10:3705-3711. [PMID: 26788194 DOI: 10.3892/ol.2015.3797] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2014] [Accepted: 08/13/2015] [Indexed: 11/06/2022] Open
Abstract
Osteosarcoma (OS) is the most common malignant tumor of the bone, with a high mortality rate and poor prognosis. Receptor tyrosine kinase-like orphan receptor 2 (ROR2) has been reported to be dysregulated in human malignancies. More recently, ROR2 has been demonstrated to promote OS cell migration and invasion. However, the role of ROR2 in the regulation of OS cell proliferation, as well as the underlying molecular mechanism, remains unclear. The present study aimed to investigate the underlying mechanism of ROR2 in osteosarcoma growth. Reverse transcription-quantitative polymerase chain reaction analysis and western blot analysis were used to examine the mRNA and protein expression. MTT assay, colony formation assay and cell cycle analysis were conducted to explore the function of ROR2 in osteosarcoma cells. In the present study, the expression of ROR2 was found to be frequently upregulated in OS tissues compared with matched adjacent normal tissues. It was also upregulated in the OS cell lines Saos-2, MG-63 and U-2 OS, relative to normal osteoblast hFOB 1.19 cells. Knockdown of ROR2 expression by transfection with ROR2-specific siRNA markedly inhibited the proliferation and colony formation of OS cells. Data from the cell cycle distribution assay revealed an accumulation of ROR2-knockdown cells in the G0/G1 phase, indicating that knockdown of ROR2 leads to an arrest in cell cycle progression. Mechanistic investigation revealed that the protein levels of c-myc, a target gene of the Wnt signaling, as well as cyclin D1, cyclin E and cyclin-dependent kinase 4 were markedly reduced in the ROR2-knockdown OS cells, suggesting that the inhibitory effect of ROR2 knockdown on OS cell proliferation is associated with the Wnt signaling pathway. In summary, the current study indicates an important role for ROR2 in the proliferation of OS cells. Therefore, ROR2 may be a promising therapeutic target in OS.
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Affiliation(s)
- Jianjun Huang
- The Second Department of Orthopedics, The First Affiliated Hospital of Jishou University, Jishou, Hunan 416000, P.R. China
| | - Ying Shi
- Teaching and Research Department of Pathology and Pathophysiology, Medical School of Jishou University, Jishou, Hunan 416000, P.R. China
| | - Hui Li
- Department of Immunology and Microbiology, Medical School of Jishou University, Jishou, Hunan 416000, P.R. China
| | - Dunyong Tan
- Department of Immunology and Microbiology, Medical School of Jishou University, Jishou, Hunan 416000, P.R. China
| | - Meisongzhu Yang
- Teaching and Research Department of Pathology and Pathophysiology, Medical School of Jishou University, Jishou, Hunan 416000, P.R. China
| | - Xiang Wu
- The Second Department of Orthopedics, The First Affiliated Hospital of Jishou University, Jishou, Hunan 416000, P.R. China
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7
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Aglan M, Amr K, Ismail S, Ashour A, Otaify GA, Mehrez MAI, Aboul-Ezz EHA, El-Ruby M, Mazen I, Abdel-Hamid MS, Temtamy SA. Clinical and molecular characterization of seven Egyptian families with autosomal recessive robinow syndrome: Identification of four novel ROR2 gene mutations. Am J Med Genet A 2015; 167A:3054-61. [PMID: 26284319 DOI: 10.1002/ajmg.a.37287] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Accepted: 07/16/2015] [Indexed: 11/09/2022]
Abstract
Robinow syndrome (RS) is a rare genetic disorder characterized by limb shortening, genital hypoplasia, and craniofacial/orodental abnormalities. The syndrome follows both autosomal dominant and recessive patterns of inheritance with similar phenotypic presentation and overlapping features. Autosomal recessive Robinow syndrome (ARRS) is caused by mutations in the ROR2 gene. Here, we present the clinical, radiological and molecular findings of 11 Egyptian patients from 7 unrelated consanguineous families with clinical features of ARRS. Mutation analyses of ROR2 gene identified five pathogenic mutations distributed all over the gene. The identified mutations included four novel (G326A, D166H, S677F, and R528Q) and one previously reported (Y192D). Our results extend the number of ROR2 mutations identified so far, suggest a founder effect in the Egyptian population, and emphasize the important role of genetic testing in proper counseling and patients' management.
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Affiliation(s)
- Mona Aglan
- Department of Clinical Genetics, Division of Human Genetics and Genome Research Division, National Research Centre, Cairo, Egypt.,Centre of Excellence for Human Genetics, National Research Centre, Cairo, Egypt
| | - Khalda Amr
- Centre of Excellence for Human Genetics, National Research Centre, Cairo, Egypt.,Department of Medical Molecular Genetics, Division of Human Genetics and Genome Research, National Research Centre, Cairo, Egypt
| | - Samira Ismail
- Department of Clinical Genetics, Division of Human Genetics and Genome Research Division, National Research Centre, Cairo, Egypt.,Centre of Excellence for Human Genetics, National Research Centre, Cairo, Egypt
| | - Adel Ashour
- Department of Clinical Genetics, Division of Human Genetics and Genome Research Division, National Research Centre, Cairo, Egypt.,Centre of Excellence for Human Genetics, National Research Centre, Cairo, Egypt
| | - Ghada A Otaify
- Department of Clinical Genetics, Division of Human Genetics and Genome Research Division, National Research Centre, Cairo, Egypt.,Centre of Excellence for Human Genetics, National Research Centre, Cairo, Egypt
| | - Mennat Allah I Mehrez
- Centre of Excellence for Human Genetics, National Research Centre, Cairo, Egypt.,Department of Orodental Genetics, Division of Human Genetics and Genome Research Division, National Research Centre, Cairo, Egypt
| | - Eman H A Aboul-Ezz
- Centre of Excellence for Human Genetics, National Research Centre, Cairo, Egypt.,Department of Basic Oral Dental Science, Division of Oral and Dental Research, National Research Centre, Cairo, Egypt
| | - Mona El-Ruby
- Department of Clinical Genetics, Division of Human Genetics and Genome Research Division, National Research Centre, Cairo, Egypt.,Centre of Excellence for Human Genetics, National Research Centre, Cairo, Egypt
| | - Inas Mazen
- Department of Clinical Genetics, Division of Human Genetics and Genome Research Division, National Research Centre, Cairo, Egypt.,Centre of Excellence for Human Genetics, National Research Centre, Cairo, Egypt
| | - Mohamed S Abdel-Hamid
- Centre of Excellence for Human Genetics, National Research Centre, Cairo, Egypt.,Department of Medical Molecular Genetics, Division of Human Genetics and Genome Research, National Research Centre, Cairo, Egypt
| | - Samia A Temtamy
- Department of Clinical Genetics, Division of Human Genetics and Genome Research Division, National Research Centre, Cairo, Egypt.,Centre of Excellence for Human Genetics, National Research Centre, Cairo, Egypt
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