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Zhang C, Jolly A, Shayota BJ, Mazzeu JF, Du H, Dawood M, Soper PC, Ramalho de Lima A, Ferreira BM, Coban-Akdemir Z, White J, Shears D, Thomson FR, Douglas SL, Wainwright A, Bailey K, Wordsworth P, Oldridge M, Lester T, Calder AD, Dumic K, Banka S, Donnai D, Jhangiani SN, Potocki L, Chung WK, Mora S, Northrup H, Ashfaq M, Rosenfeld JA, Mason K, Pollack LC, McConkie-Rosell A, Kelly W, McDonald M, Hauser NS, Leahy P, Powell CM, Boy R, Honjo RS, Kok F, Martelli LR, Filho VO, Genomics England Research Consortium, Muzny DM, Gibbs RA, Posey JE, Liu P, Lupski JR, Sutton VR, Carvalho CM. Novel pathogenic variants and quantitative phenotypic analyses of Robinow syndrome: WNT signaling perturbation and phenotypic variability. HGG ADVANCES 2022; 3:100074. [PMID: 35047859 PMCID: PMC8756549 DOI: 10.1016/j.xhgg.2021.100074] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 11/24/2021] [Indexed: 11/20/2022] Open
Abstract
Robinow syndrome (RS) is a genetically heterogeneous disorder with six genes that converge on the WNT/planar cell polarity (PCP) signaling pathway implicated (DVL1, DVL3, FZD2, NXN, ROR2, and WNT5A). RS is characterized by skeletal dysplasia and distinctive facial and physical characteristics. To further explore the genetic heterogeneity, paralog contribution, and phenotypic variability of RS, we investigated a cohort of 22 individuals clinically diagnosed with RS from 18 unrelated families. Pathogenic or likely pathogenic variants in genes associated with RS or RS phenocopies were identified in all 22 individuals, including the first variant to be reported in DVL2. We retrospectively collected medical records of 16 individuals from this cohort and extracted clinical descriptions from 52 previously published cases. We performed Human Phenotype Ontology (HPO) based quantitative phenotypic analyses to dissect allele-specific phenotypic differences. Individuals with FZD2 variants clustered into two groups with demonstrable phenotypic differences between those with missense and truncating alleles. Probands with biallelic NXN variants clustered together with the majority of probands carrying DVL1, DVL2, and DVL3 variants, demonstrating no phenotypic distinction between the NXN-autosomal recessive and dominant forms of RS. While phenotypically similar diseases on the RS differential matched through HPO analysis, clustering using phenotype similarity score placed RS-associated phenotypes in a unique cluster containing WNT5A, FZD2, and ROR2 apart from non-RS-associated paralogs. Through human phenotype analyses of this RS cohort and OMIM clinical synopses of Mendelian disease, this study begins to tease apart specific biologic roles for non-canonical WNT-pathway proteins.
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Affiliation(s)
- Chaofan Zhang
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
| | - Angad Jolly
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
- Medical Scientist Training Program, BCM, Houston, TX 77030, USA
| | - Brian J. Shayota
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
- Texas Children's Hospital, Houston, TX 77030, USA
| | - Juliana F. Mazzeu
- University of Brasilia, Brasilia 70050, Brazil
- Robinow Syndrome Foundation, Anoka, MN 55303, USA
| | - Haowei Du
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
| | - Moez Dawood
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
- Medical Scientist Training Program, BCM, Houston, TX 77030, USA
- Human Genome Sequencing Center, BCM, Houston, TX 77030, USA
| | | | | | | | - Zeynep Coban-Akdemir
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
- Human Genetics Center, Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, UTHealth, Houston, TX 77030, USA
| | - Janson White
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
| | - Deborah Shears
- Oxford Centre for Genomic Medicine, Oxford University Hospitals NHS Foundation Trust, Oxford OX3 7HE, UK
| | - Fraser Robert Thomson
- Cardiothoracic Surgery, Oxford University Hospitals NHS Foundation Trust, Oxford OX3 7HE, UK
| | | | - Andrew Wainwright
- Oxford Centre for Genomic Medicine, Oxford University Hospitals NHS Foundation Trust, Oxford OX3 7HE, UK
| | - Kathryn Bailey
- Pediatric Rheumatology, Nuffield Orthopedic Centre, Oxford University Hospitals NHS Foundation Trust, Oxford OX3 7HE, UK
| | - Paul Wordsworth
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Botnar Research Centre, Oxford OX3 7LD, UK
| | - Mike Oldridge
- Oxford Regional Genetics Laboratories, Oxford University Hospitals NHS Foundation Trust, Oxford OX3 7LE, UK
| | - Tracy Lester
- Oxford Regional Genetics Laboratories, Oxford University Hospitals NHS Foundation Trust, Oxford OX3 7LE, UK
| | - Alistair D. Calder
- Radiology Department, Great Ormond Street Hospital NHS Foundation Trust, London WC1N 3JH, UK
| | - Katja Dumic
- Department of Pediatric Endocrinology and Diabetes, University Clinical Center Zagreb, Zagreb 10000, Croatia
| | - Siddharth Banka
- Division of Evolution, Infection and Genomics, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester M13 9WL, UK
- Manchester Center for Genomic Medicine, St Mary's Hospital, Manchester University NHS Foundation Trust, Health Innovation Manchester, Manchester M13 9WL, UK
| | - Dian Donnai
- Manchester Center for Genomic Medicine, St Mary's Hospital, Manchester University NHS Foundation Trust, Health Innovation Manchester, Manchester M13 9WL, UK
| | | | - Lorraine Potocki
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
- Texas Children's Hospital, Houston, TX 77030, USA
| | - Wendy K. Chung
- Department of Pediatrics and Medicine, Columbia University, NY 10032, USA
| | - Sara Mora
- GeneDx Inc., Gaithersburg, MD 20878, USA
| | - Hope Northrup
- Department of Pediatrics, McGovern Medical School at the University of Texas Health Science Center at Houston (UTHealth Houston) and Children’s Memorial Hermann Hospital, Houston, TX 77030, USA
| | - Myla Ashfaq
- Department of Pediatrics, McGovern Medical School at the University of Texas Health Science Center at Houston (UTHealth Houston) and Children’s Memorial Hermann Hospital, Houston, TX 77030, USA
| | - Jill A. Rosenfeld
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
| | - Kati Mason
- GeneDx Inc., Gaithersburg, MD 20878, USA
- Arnold Palmer Hospital for Children, Orlando, FL 32806, USA
| | | | | | - Wei Kelly
- Division of Medical Genetics, Duke University Medical Center, Durham, NC 27708, USA
| | - Marie McDonald
- Division of Medical Genetics, Duke University Medical Center, Durham, NC 27708, USA
| | - Natalie S. Hauser
- Medical Genetics, Inova Fairfax Hospital, Falls Church, VA 22042, USA
| | - Peter Leahy
- Cook Children's Hospital, Fort Worth, TX 76104, USA
| | - Cynthia M. Powell
- Division of Pediatric Genetics and Metabolism, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599, USA
| | - Raquel Boy
- State University of Rio de Janeiro, Rio de Janeiro 21941, Brazil
| | - Rachel Sayuri Honjo
- Unidade de Genética, Instituto da Criança - Hospital das Clinicas HCFMUSP, Faculdade de Medicina, University of Sao Paulo, São Paulo 05508, Brasil
| | - Fernando Kok
- Mendelics Análise Genômica, São Paulo 04013, Brasil
| | - Lucia R. Martelli
- Department of Genetics, Ribeirao Preto Medical School, University of Sao Paulo, São Paulo 05508, Brazil
| | - Vicente Odone Filho
- Instituto de Tratamento do Câncer Infantil, São Paulo University Medical School, Hospital Israelita Albert Einstein, São Paulo 05508, Brasil
| | | | - Donna M. Muzny
- Human Genome Sequencing Center, BCM, Houston, TX 77030, USA
| | - Richard A. Gibbs
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
- Human Genome Sequencing Center, BCM, Houston, TX 77030, USA
| | - Jennifer E. Posey
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
| | - Pengfei Liu
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
- Baylor Genetics, Houston, TX 77021, USA
| | - James R. Lupski
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
- Texas Children's Hospital, Houston, TX 77030, USA
- Human Genome Sequencing Center, BCM, Houston, TX 77030, USA
- Department of Pediatrics, BCM, Houston, TX 77030, USA
| | - V. Reid Sutton
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
- Texas Children's Hospital, Houston, TX 77030, USA
| | - Claudia M.B. Carvalho
- Department of Molecular and Human Genetics, BCM, Houston, TX 77030, USA
- Pacific Northwest Research Institute (PNRI), Seattle, WA 98122, USA
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Malik S, Nalbant G, Noreen M, Afzal M, Tolun A. A homozygous ROR2 variant in a family with atypical Robinow syndrome and tetramelic transverse deficiency of autopods. Am J Med Genet A 2021; 188:343-349. [PMID: 34569147 DOI: 10.1002/ajmg.a.62514] [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: 06/18/2021] [Revised: 08/17/2021] [Accepted: 08/30/2021] [Indexed: 11/10/2022]
Abstract
We present five members of a consanguineous Pakistani kinship with the most severe familial tetramelic transverse autopod deficiency reported to date and additionally having some of the common autosomal recessive Robinow syndrome-1 (RRS1) features including short stature, short neck, severe vertebral anomalies of kyphoscoliosis, hemivertebrae, fusion of thoracic vertebrae, broad forehead, and dental crowding. We mapped the locus of this atypical RRS and detected homozygous 8-nucleotide deletion c.1353_1360del (p.(Met452Alafs*4)) in ROR2, the gene responsible for RRS1. We did not find any other variant shared by all affected individuals that could possibly act as a modifier of limb defect. Autopods are affected in RRS1, but severe autopod deficiency is not a characteristic feature. Over 30 biallelic variants dispersed throughout the gene are known in ROR2-related RS, with no genotype-phenotype correlation for specific RRS1 features. Considering together with the sporadic case homozygous for variant p.(Arg442*) and the case homozygous for p.(Arg441Thrfs*16) in a family where heterozygous members have brachydactyly type B1, we propose that homozygous truncating variants that originate at residues 441-452 can cause severe autopod reduction anomalies, suggesting some genotype-phenotype correlation for this particular phenotype.
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Affiliation(s)
- Sajid Malik
- Human Genetics Program, Department of Zoology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Gökhan Nalbant
- Department of Biostatistics and Bioinformatics, Institute of Health Sciences, Acıbadem Mehmet Ali Aydinlar University
| | - Moqadsa Noreen
- Human Genetics Program, Department of Zoology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Muhammad Afzal
- Human Genetics Program, Department of Zoology, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Aslıhan Tolun
- Department of Molecular Biology and Genetics, MOBGAM, Istanbul Technical University, Istanbul, Turkey
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Conlon CJ, Abu-Ghname A, Raghuram AC, Davis MJ, Guillen DE, Sutton VR, Carvalho CMB, Maricevich RS. Craniofacial phenotypes associated with Robinow syndrome. Am J Med Genet A 2020; 185:3606-3612. [PMID: 33237614 DOI: 10.1002/ajmg.a.61986] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 10/08/2020] [Accepted: 11/05/2020] [Indexed: 11/10/2022]
Abstract
Robinow syndrome is characterized by mesomelic limb shortening, hemivertebrae, and genital hypoplasia. Due to low prevalence and considerable phenotypic variability, it has been challenging to definitively characterize features of Robinow syndrome. While craniofacial abnormalities associated with Robinow syndrome have been broadly described, there is a lack of detailed descriptions of genotype-specific phenotypic craniofacial features. Patients with Robinow syndrome were invited for a multidisciplinary evaluation conducted by specialist physicians at our institution. A focused assessment of the craniofacial manifestations was performed by a single expert examiner using clinical examination and standard photographic images. A total of 13 patients with clinical and molecular diagnoses consistent with either dominant Robinow syndrome (DRS) or recessive Robinow syndrome (RRS) were evaluated. On craniofacial examination, gingival hyperplasia was nearly ubiquitous in all patients. Orbital hypertelorism, a short nose with anteverted and flared nares, a triangular mouth with a long philtrum, cleft palate, macrocephaly, and frontal bossing were not observed in all individuals but affected individuals with both DRS and RRS. Other anomalies were more selective in their distribution in this patient cohort. We present a comprehensive analysis of the craniofacial findings in patients with Robinow Syndrome, describing associated morphological features and correlating phenotypic manifestations to underlying genotype in a manner relevant for early recognition and focused evaluation of these patients.
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Affiliation(s)
- Christopher J Conlon
- Division of Plastic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas, USA
| | - Amjed Abu-Ghname
- Division of Plastic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas, USA
| | - Anjali C Raghuram
- Division of Plastic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas, USA
| | - Matthew J Davis
- Division of Plastic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas, USA
| | - Diana E Guillen
- Division of Plastic Surgery, Texas Children's Hospital, Houston, Texas, USA
| | - V Reid Sutton
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, Texas, USA.,Department of Molecular & Human Genetics, Texas Children's Hospital, Houston, Texas, USA
| | - Claudia M B Carvalho
- Department of Molecular & Human Genetics, Baylor College of Medicine, Houston, Texas, USA.,Carvalho Lab, Pacific Northwest Research Institute, Seattle, WA, USA
| | - Renata S Maricevich
- Division of Plastic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas, USA.,Division of Plastic Surgery, Texas Children's Hospital, Houston, Texas, USA
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Zhang C, Mazzeu JF, Eisfeldt J, Grochowski CM, White J, Akdemir ZC, Jhangiani SN, Muzny DM, Gibbs RA, Lindstrand A, Lupski JR, Sutton VR, Carvalho CMB. Novel pathogenic genomic variants leading to autosomal dominant and recessive Robinow syndrome. Am J Med Genet A 2020; 185:3593-3600. [PMID: 33048444 DOI: 10.1002/ajmg.a.61908] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 09/11/2020] [Accepted: 09/19/2020] [Indexed: 12/29/2022]
Abstract
Robinow syndrome (RS) is a genetically heterogeneous disorder characterized by skeletal dysplasia and a distinctive facial appearance. Previous studies have revealed locus heterogeneity with rare variants in DVL1, DVL3, FZD2, NXN, ROR2, and WNT5A underlying the etiology of RS. The aforementioned "Robinow-associated genes" and their gene products all play a role in the WNT/planar cell polarity signaling pathway. We performed gene-targeted Sanger sequencing, exome sequencing, genome sequencing, and array comparative genomic hybridization on four subjects with a clinical diagnosis of RS who had not had prior DNA testing. Individuals in our cohort were found to carry pathogenic or likely pathogenic variants in three RS related genes: DVL1, ROR2, and NXN. One subject was found to have a nonsense variant (c.817C > T [p.Gln273*]) in NXN in trans with an ~1 Mb telomeric deletion on chromosome 17p containing NXN, which supports our contention that biallelic NXN variant alleles are responsible for a novel autosomal recessive RS locus. These findings provide increased understanding of the role of WNT signaling in skeletal development and maintenance. These data further support the hypothesis that dysregulation of the noncanonical WNT pathway in humans gives rise to RS.
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Affiliation(s)
- Chaofan Zhang
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA
| | - Juliana F Mazzeu
- University of Brasilia, Brasilia, Brazil.,Robinow Syndrome Foundation, Anoka, Minnesota, USA
| | - Jesper Eisfeldt
- Department of Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden.,Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.,Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden.,Science for Life Laboratory, Karolinska Institutet, Stockholm, Sweden
| | | | - Janson White
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA
| | - Zeynep C Akdemir
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA
| | - Shalini N Jhangiani
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas, USA
| | - Donna M Muzny
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas, USA
| | - Richard A Gibbs
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas, USA
| | - Anna Lindstrand
- Department of Clinical Genetics, Karolinska University Hospital, Stockholm, Sweden.,Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.,Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden
| | - James R Lupski
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA.,Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas, USA.,Texas Children's Hospital, Houston, Texas, USA.,Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - V Reid Sutton
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA.,Texas Children's Hospital, Houston, Texas, USA
| | - Claudia M B Carvalho
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA.,Pacific Northwest Research Institute (PNRI), Seattle, Washington, USA
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Schwartz DD, Fein RH, Carvalho CMB, Sutton VR, Mazzeu JF, Axelrad ME. Neurocognitive, adaptive, and psychosocial functioning in individuals with Robinow syndrome. Am J Med Genet A 2020; 185:3576-3583. [PMID: 32954672 DOI: 10.1002/ajmg.a.61854] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 07/10/2020] [Accepted: 08/14/2020] [Indexed: 11/12/2022]
Abstract
It has been estimated that 10-15% of people with Robinow syndrome (RS) show delayed development, but no studies have formally assessed developmental domains. The objective of this study is to provide the first description of cognitive, adaptive, and psychological functioning in RS. Thirteen participants (10 males) aged 4-51 years were seen for neuropsychological screening. Eight had autosomal-dominant RS (DVL1, n = 5; WNT5A, n = 3), four had autosomal-recessive RS (NXN, n = 2; ROR2, n = 2), and one had a mutation on an RS candidate gene (GPC4). Participants completed measures of intellectual, fine-motor, adaptive, executive, and psychological functioning. Findings indicated generally average intellectual functioning and low-average visuomotor skills. Adaptive functioning was average in autosomal-recessive RS (RRS) but low average in autosomal-dominant RS (DRS). Parent-report indicated executive dysfunction and attention problems in 4/8 children, 3/4 of whom had a DVL1 variant; adult self-report did not indicate similar difficulties. Learning disabilities were also reported in 4/8 individuals with DRS, 3/4 of whom had a DVL1 variant. Peer problems were reported for a majority of participants, many of whom also reported emotional concerns. Altogether, the findings indicate average neurocognitive functioning in RRS. In contrast, DRS, especially DVL1 pathogenic alleles, may confer specific risk for neurodevelopmental disability.
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Affiliation(s)
- David D Schwartz
- Section of Psychology, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - Rachel H Fein
- Section of Psychology, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - Claudia M B Carvalho
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA
| | - V Reid Sutton
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA
| | | | - Marni E Axelrad
- Section of Psychology, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
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