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Thomas MM, Ashaat EA, Otaify GA, Ismail S, Essawi ML, Abdel-Hamid MS, Hassan HA, Alsaiedi SA, Aglan M, El Ruby MO, Temtamy S. First Report of Two Egyptian Patients with Desbuquois Dysplasia due to Homozygous CANT1 Mutations. Mol Syndromol 2021; 12:279-288. [PMID: 34602954 DOI: 10.1159/000516607] [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: 03/09/2021] [Accepted: 04/17/2021] [Indexed: 02/02/2023] Open
Abstract
Desbuquois dysplasia type 1 (DBQD1) is a very rare skeletal dysplasia characterized by growth retardation, short stature, distinct hand features, and a characteristic radiological monkey wrench appearance at the proximal femur. We report on 2unrelated Egyptian patients having the characteristic features of DBQD1 with different expressivity. Patient 1 presented at the age of 45 days with respiratory distress, short limbs, faltering growth, and distinctive facies while patient 2 presented at 5 years of age with short stature and hypospadias. The 2 patients shared radiological features suggestive of DBQD1. Whole-exome sequencing revealed a homozygous frameshift mutation in the CANT1 gene (NM_001159772.1:c.277_278delCT; p.Leu93ValfsTer89) in patient 1 and a homozygous missense mutation (NM_138793.4:c.898C>T; p.Arg300Cys) in patient 2. Phenotypic variability and variable expressivity of DBQD was evident in our patients. Hypoplastic scrotum and hypospadias were additional unreported associated findings, thus expanding the phenotypic spectrum of the disorder. We reviewed the main features of skeletal dysplasias exhibiting similar radiological manifestations for differential diagnosis. We suggest that the variable severity in both patients could be due to the nature of the CANT1 gene mutations which necessitates the molecular study of more cases for phenotype-genotype correlations.
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Affiliation(s)
- Manal M Thomas
- Human Genetics and Genome Research Division, Clinical Genetics Department, National Research Centre, Cairo, Egypt
| | - Engy A Ashaat
- Human Genetics and Genome Research Division, Clinical Genetics Department, National Research Centre, Cairo, Egypt
| | - Ghada A Otaify
- Human Genetics and Genome Research Division, Clinical Genetics Department, National Research Centre, Cairo, Egypt
| | - Samira Ismail
- Human Genetics and Genome Research Division, Clinical Genetics Department, National Research Centre, Cairo, Egypt
| | - Mona L Essawi
- Human Genetics and Genome Research Division, Medical Molecular Genetics Department, National Research Centre, Cairo, Egypt
| | - Mohamed S Abdel-Hamid
- Human Genetics and Genome Research Division, Medical Molecular Genetics Department, National Research Centre, Cairo, Egypt
| | - Heba A Hassan
- Human Genetics and Genome Research Division, Medical Molecular Genetics Department, National Research Centre, Cairo, Egypt
| | | | - Mona Aglan
- Human Genetics and Genome Research Division, Clinical Genetics Department, National Research Centre, Cairo, Egypt
| | - Mona O El Ruby
- Human Genetics and Genome Research Division, Clinical Genetics Department, National Research Centre, Cairo, Egypt
| | - Samia Temtamy
- Human Genetics and Genome Research Division, Clinical Genetics Department, National Research Centre, Cairo, Egypt
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2
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A Homozygous Deletion of Exon 5 of KYNU Resulting from a Maternal Chromosome 2 Isodisomy (UPD2) Causes Catel-Manzke-Syndrome/VCRL Syndrome. Genes (Basel) 2021; 12:genes12060879. [PMID: 34200361 PMCID: PMC8227568 DOI: 10.3390/genes12060879] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 05/28/2021] [Accepted: 06/01/2021] [Indexed: 01/17/2023] Open
Abstract
Vertebral, Cardiac, Renal and Limb Defect Syndrome (VCRL), is a very rare congenital malformation syndrome. Pathogenic variants in HAAO (3-Hydroxyanthranilate 3,4-dioxygenase), NADSYN1 (NAD+ Synthetase-1) and KYNU (Kynureninase) have been identified in a handful of affected individuals. All three genes encode for enzymes essential for the NAD+ de novo synthesis pathway. Using Trio-Exome analysis and CGH array analysis in combination with long range PCR, we have identified a novel homozygous copy number variant (CNV) encompassing exon 5 of KYNU in an individual presenting with overlapping features of VCRL and Catel–Manzke Syndrome. Interestingly, only the mother, not the father carried the small deletion in a heterozygous state. High-resolution SNP array analysis subsequently delineated a maternal isodisomy of chromosome 2 (UPD2). Increased xanthurenic acid excretion in the urine confirmed the genetic diagnosis. Our findings confirm the clinical, genetic and metabolic phenotype of VCRL1, adding a novel functionally tested disease allele. We also describe the first patient with NAD+ deficiency disorder resulting from a UPD. Furthermore, we provide a comprehensive review of the current literature covering the genetic basis and pathomechanisms for VCRL and Catel–Manzke Syndrome, including possible phenotype/genotype correlations as well as genetic causes of hypoplastic left heart syndrome.
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3
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Varadarajan S, Balaji TM, Raj AT, Gupta AA, Patil S, Alhazmi TH, Alaqi HAA, Al Omar NEM, Almutaher SABA, Jafer AA, Hedad IA. Genetic Mutations Associated with Pierre Robin Syndrome/Sequence: A Systematic Review. Mol Syndromol 2021; 12:69-86. [PMID: 34012376 DOI: 10.1159/000513217] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 11/20/2020] [Indexed: 01/16/2023] Open
Abstract
Pierre Robin syndrome/sequence (PRS) is associated with a triad of symptoms that includes micrognathia, cleft palate, and glossoptosis that may lead to respiratory obstruction. The syndrome occurs in 2 forms: nonsyndromic PRS (nsPRS), and PRS associated with other syndromes (sPRS). Studies have shown varying genetic mutations associated with both nsPRS and sPRS. The present systematic review aims to provide a comprehensive collection of published literature reporting genetic mutations in PRS. Web of Science, PubMed, and Scopus were searched using the keywords: "Pierre Robin syndrome/sequence AND gene mutation." The search resulted in 208 articles, of which 93 were excluded as they were duplicates/irrelevant. The full-text assessment led to the further exclusion of 76 articles. From the remaining 39 articles included in the review, details of 324 cases were extracted. 56% of the cases were sPRS, and 22% of the cases were associated with other malformations and the remaining were nsPRS. Genetic mutations were noted in 30.9% of the 300 cases. Based on the review, SOX9 was found to be the most common gene associated with both nsPRS and sPRS. The gene mutation in sPRS was specific to the associated syndrome. Due to the lack of original studies, a quantitative analysis was not possible. Thus, future studies must focus on conducting large-scale cohort studies. Along with generating data on genetic mutation, future studies must also conduct pedigree analysis to assess potential familial inheritance, which in turn could provide valuable insights into the etiopathogenesis of PRS.
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Affiliation(s)
- Saranya Varadarajan
- Department of Oral Pathology and Microbiology, Sri Venkateswara Dental College and Hospital, Chennai, India
| | | | - A Thirumal Raj
- Department of Oral Pathology and Microbiology, Sri Venkateswara Dental College and Hospital, Chennai, India
| | - Archana A Gupta
- Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pune, India
| | - Shankargouda Patil
- Division of Oral Pathology, Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | - Tariq Hassan Alhazmi
- Community Dental Unit, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | | | - Neda Essa M Al Omar
- Community Dental Unit, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| | | | | | - Ismaeel Abker Hedad
- Community Dental Unit, College of Dentistry, Jazan University, Jazan, Saudi Arabia
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4
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Suter AA, Santos-Simarro F, Toerring PM, Abad Perez A, Ramos-Mejia R, Heath KE, Huckstadt V, Parrón-Pajares M, Mensah MA, Hülsemann W, Holtgrewe M, Mundlos S, Kornak U, Bartsch O, Ehmke N. Variable pulmonary manifestations in Chitayat syndrome: Six additional affected individuals. Am J Med Genet A 2020; 182:2068-2076. [PMID: 32592542 DOI: 10.1002/ajmg.a.61735] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 05/07/2020] [Accepted: 05/24/2020] [Indexed: 12/11/2022]
Abstract
Hand hyperphalangism leading to shortened index fingers with ulnar deviation, hallux valgus, mild facial dysmorphism and respiratory compromise requiring assisted ventilation are the key features of Chitayat syndrome. This condition results from the recurrent heterozygous missense variant NM_006494.2:c.266A>G; p.(Tyr89Cys) in ERF on chromosome 19q13.2, encoding the ETS2 repressor factor (ERF) protein. The pathomechanism of Chitayat syndrome is unknown. To date, seven individuals with Chitayat syndrome and the recurrent pathogenic ERF variant have been reported in the literature. Here, we describe six additional individuals, among them only one presenting with a history of assisted ventilation, and the remaining presenting with variable pulmonary phenotypes, including one individual without any obvious pulmonary manifestations. Our findings widen the phenotype spectrum caused by the recurrent pathogenic variant in ERF, underline Chitayat syndrome as a cause of isolated skeletal malformations and therefore contribute to the improvement of diagnostic strategies in individuals with hand hyperphalangism.
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Affiliation(s)
- Aude-Annick Suter
- Institute of Medical Genetics and Human Genetics, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Fernando Santos-Simarro
- Institute of Medical and Molecular Genetics (INGEMM) and Skeletal dysplasia multidisciplinary Unit (UMDE), Hospital Universitario La Paz and CIBERER, ISCIII, Madrid, Spain
| | | | - Angela Abad Perez
- Institute of Medical Genetics and Human Genetics, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Rosario Ramos-Mejia
- Department of Growth and Development, Garrahan Hospital, Buenos Aires, Argentina
| | - Karen E Heath
- Institute of Medical and Molecular Genetics (INGEMM) and Skeletal dysplasia multidisciplinary Unit (UMDE), Hospital Universitario La Paz and CIBERER, ISCIII, Madrid, Spain
| | | | - Manuel Parrón-Pajares
- Department of Radiology and Skeletal dysplasia multidisciplinary Unit (UMDE), Hospital Universitario la Paz, Madrid, Spain
| | - Martin Atta Mensah
- Institute of Medical Genetics and Human Genetics, Charité - Universitätsmedizin Berlin, Berlin, Germany.,Berlin Institute of Health (BIH), Berlin, Germany
| | | | - Manuel Holtgrewe
- Core Unit Bioinformatics - CUBI, Berlin Institute of Health (BIH), Berlin, Germany
| | - Stefan Mundlos
- Institute of Medical Genetics and Human Genetics, Charité - Universitätsmedizin Berlin, Berlin, Germany.,RG Development & Disease, Max Planck Institute for Molecular Genetics, Berlin, Germany
| | - Uwe Kornak
- Institute of Medical Genetics and Human Genetics, Charité - Universitätsmedizin Berlin, Berlin, Germany.,Institute of Human Genetics, University Medical Center Göttingen, Göttingen, Germany
| | - Oliver Bartsch
- Institute of Human Genetics, University Medical Centre of the Johannes Gutenberg University Mainz, Mainz, Germany
| | - Nadja Ehmke
- Institute of Medical Genetics and Human Genetics, Charité - Universitätsmedizin Berlin, Berlin, Germany.,RG Development & Disease, Max Planck Institute for Molecular Genetics, Berlin, Germany
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5
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Ehmke N, Cusmano-Ozog K, Koenig R, Holtgrewe M, Nur B, Mihci E, Babcock H, Gonzaga-Jauregui C, Overton JD, Xiao J, Martinez AF, Muenke M, Balzer A, Jochim J, El Choubassi N, Fischer-Zirnsak B, Huber C, Kornak U, Elsea SH, Cormier-Daire V, Ferreira CR. Biallelic variants in KYNU cause a multisystemic syndrome with hand hyperphalangism. Bone 2020; 133:115219. [PMID: 31923704 PMCID: PMC10521254 DOI: 10.1016/j.bone.2019.115219] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 12/25/2019] [Accepted: 12/29/2019] [Indexed: 01/17/2023]
Abstract
Catel-Manzke syndrome is characterized by the combination of Pierre Robin sequence and radial deviation, shortening as well as clinodactyly of the index fingers, due to an accessory ossification center. Mutations in TGDS have been identified as one cause of Catel-Manzke syndrome, but cannot be found as causative in every patient with the clinical diagnosis. We performed a chromosome microarray and/or exome sequencing in three patients with hand hyperphalangism, heart defect, short stature, and mild to severe developmental delay, all of whom were initially given a clinical diagnosis of Catel-Manzke syndrome. In one patient, we detected a large deletion of exons 1-8 and the missense variant c.1282C > T (p.Arg428Trp) in KYNU (NM_003937.2), whereas homozygous missense variants in KYNU were found in the other two patients (c.989G > A (p.Arg330Gln) and c.326G > C (p.Trp109Ser)). Plasma and urine metabolomic analysis of two patients indicated a block along the tryptophan catabolic pathway and urine organic acid analysis showed excretion of xanthurenic acid. Biallelic loss-of-function mutations in KYNU were recently described as a cause of NAD deficiency with vertebral, cardiac, renal and limb defects; however, no hand hyperphalangism was described in those patients, and Catel-Manzke syndrome was not discussed as a differential diagnosis. In conclusion, we present unrelated patients identified with biallelic variants in KYNU leading to kynureninase deficiency and xanthurenic aciduria as a very likely cause of their hyperphalangism, heart defect, short stature, and developmental delay. We suggest performance of urine organic acid analysis in patients with suspected Catel-Manzke syndrome, particularly in those with cardiac or vertebral defects or without mutations in TGDS.
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Affiliation(s)
- Nadja Ehmke
- Charité - Universitätsmedizin Berlin, Institute of Medical Genetics and Human Genetics, Augustenburger Platz 1, 13353 Berlin, Germany; Max Planck Institute for Molecular Genetics, Development and Disease Group, Ihnestr. 63-73, 14195 Berlin, Germany.
| | - Kristina Cusmano-Ozog
- Biochemical Genetics and Metabolism Laboratory, Children's National Hospital, Washington, DC 20010, USA
| | - Rainer Koenig
- Department of Human Genetics, University of Frankfurt, 60590 Frankfurt, Germany
| | - Manuel Holtgrewe
- Core Unit Bioinformatics - CUBI, Berlin Institute of Health, Charitéplatz 1, 10117 Berlin, Germany; Charité - Universitätsmedizin Berlin, Berlin 10117, Germany
| | - Banu Nur
- Department of Pediatric Genetics, Akdeniz University Medical School, 07059 Antalya, Turkey
| | - Ercan Mihci
- Department of Pediatric Genetics, Akdeniz University Medical School, 07059 Antalya, Turkey
| | - Holly Babcock
- Rare Disease Institute, Children's National Hospital, Washington, DC 20010, USA
| | | | - John D Overton
- Regeneron Genetics Center, Regeneron Pharmaceuticals Inc., Tarrytown, NY 10599, USA
| | - Jing Xiao
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Ariel F Martinez
- Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Maximilian Muenke
- Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | | | - Judith Jochim
- Sana Klinikum Offenbach GmbH, Starkenburgring 66, 63069 Offenbach am Main, Germany
| | - Naji El Choubassi
- Charité - Universitätsmedizin Berlin, Institute of Medical Genetics and Human Genetics, Augustenburger Platz 1, 13353 Berlin, Germany; Max Planck Institute for Molecular Genetics, Development and Disease Group, Ihnestr. 63-73, 14195 Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies, Charité - Universitätsmedizin Berlin, Föhrerstr. 15, 13353 Berlin, Germany
| | - Björn Fischer-Zirnsak
- Charité - Universitätsmedizin Berlin, Institute of Medical Genetics and Human Genetics, Augustenburger Platz 1, 13353 Berlin, Germany; Max Planck Institute for Molecular Genetics, Development and Disease Group, Ihnestr. 63-73, 14195 Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies, Charité - Universitätsmedizin Berlin, Föhrerstr. 15, 13353 Berlin, Germany
| | - Céline Huber
- Department of Genetics, INSERM UMR 1163, Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, AP-HP, Hôpital Necker Enfants Malades, 75015 Paris, France
| | - Uwe Kornak
- Charité - Universitätsmedizin Berlin, Institute of Medical Genetics and Human Genetics, Augustenburger Platz 1, 13353 Berlin, Germany; Max Planck Institute for Molecular Genetics, Development and Disease Group, Ihnestr. 63-73, 14195 Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies, Charité - Universitätsmedizin Berlin, Föhrerstr. 15, 13353 Berlin, Germany
| | - Sarah H Elsea
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Valérie Cormier-Daire
- Department of Genetics, INSERM UMR 1163, Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, AP-HP, Hôpital Necker Enfants Malades, 75015 Paris, France
| | - Carlos R Ferreira
- Department of Pediatric Genetics, Akdeniz University Medical School, 07059 Antalya, Turkey; Medical Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA.
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6
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Miller DE, Chow P, Gallagher ER, Perkins JA, Wenger TL. Catel-Manzke syndrome without Manzke dysostosis. Am J Med Genet A 2019; 182:437-440. [PMID: 31833187 DOI: 10.1002/ajmg.a.61436] [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: 07/24/2019] [Revised: 11/12/2019] [Accepted: 11/18/2019] [Indexed: 11/05/2022]
Abstract
Catel-Manzke syndrome is characterized by hand anomalies, Robin sequence, cardiac defects, joint hyperextensibility, and characteristic facial features. Approximately 40 patients with Catel-Manzke have been reported, all with the pathognomonic bilateral or unilateral hyperphalangy caused by an accessory bone between the second metacarpal and proximal phalanx known as Manzke dysostosis. Here we present the first case of molecularly confirmed Catel-Manzke syndrome with Robin sequence but without Manzke dysostosis.
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Affiliation(s)
- Danny E Miller
- Department of Medicine, Division of Medical Genetics, University of Washington, Seattle, Washington.,Department of Pediatrics, Division of Genetic Medicine, University of Washington, Seattle, Washington and Seattle Children's Hospital, Seattle, Washington
| | - Penny Chow
- Department of Pediatrics, Division of Craniofacial Medicine, Seattle Children's Hospital, Seattle, Washington
| | - Emily R Gallagher
- Department of Pediatrics, Division of Craniofacial Medicine, Seattle Children's Hospital, Seattle, Washington
| | - Jonathan A Perkins
- Department of Otolaryngology, Seattle Children's Hospital, Seattle, Washington
| | - Tara L Wenger
- Department of Pediatrics, Division of Genetic Medicine, University of Washington, Seattle, Washington and Seattle Children's Hospital, Seattle, Washington
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7
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Boschann F, Stuurman KE, de Bruin C, van Slegtenhorst M, van Duyvenvoorde HA, Kant SG, Ehmke N. TGDS pathogenic variants cause Catel-Manzke syndrome without hyperphalangy. Am J Med Genet A 2019; 182:431-436. [PMID: 31769200 DOI: 10.1002/ajmg.a.61419] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Revised: 10/07/2019] [Accepted: 11/13/2019] [Indexed: 11/11/2022]
Abstract
Catel-Manzke syndrome, also known as micrognathia-digital-syndrome, is a rare autosomal recessive disorder characterized by the combination of the two cardinal features Pierre-Robin sequence and bilateral hyperphalangy leading to ulnar clinodactyly (ulnar curvature of the phalanges) and radial deviation (radial angulation at the metacarpophalangeal joint) of the index fingers. Individuals without one of these major hallmarks or with additional hand malformations have been described as atypical or Catel-Manzke-like syndrome. Biallelic TGDS pathogenic variants have thus far been detected in eight individuals with typical Catel-Manzke syndrome and in one fetus with additional features. Here we report on two individuals with TGDS pathogenic variants who presented with mild radial deviation and ulnar clinodactyly of the index fingers but without radiologic signs of hyperphalangy. Furthermore, both individuals have disproportionate short stature, a feature that has not yet been associated with Catel-Manzke syndrome. Our data broaden the phenotypic spectrum of TGDS-associated Catel-Manzke syndrome and expand the indication for diagnostic testing.
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Affiliation(s)
- Felix Boschann
- Institute of Medical Genetics and Human Genetics, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Kyra E Stuurman
- Department of Clinical Genetics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Christiaan de Bruin
- Department of Pediatric Endocrinology, Leiden University Medical Center, Leiden, The Netherlands
| | - Marjon van Slegtenhorst
- Department of Clinical Genetics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | | | - Sarina G Kant
- Department of Clinical Genetics, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands.,Department of Clinical Genetics, Leiden University Medical Center, Leiden, The Netherlands
| | - Nadja Ehmke
- Institute of Medical Genetics and Human Genetics, Charité-Universitätsmedizin Berlin, Berlin, Germany
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8
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Paganini C, Costantini R, Superti-Furga A, Rossi A. Bone and connective tissue disorders caused by defects in glycosaminoglycan biosynthesis: a panoramic view. FEBS J 2019; 286:3008-3032. [PMID: 31286677 DOI: 10.1111/febs.14984] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Revised: 05/22/2019] [Accepted: 07/04/2019] [Indexed: 02/06/2023]
Abstract
Glycosaminoglycans (GAGs) are a heterogeneous family of linear polysaccharides that constitute the carbohydrate moiety covalently attached to the protein core of proteoglycans, macromolecules present on the cell surface and in the extracellular matrix. Several genetic disorders of bone and connective tissue are caused by mutations in genes encoding for glycosyltransferases, sulfotransferases and transporters that are responsible for the synthesis of sulfated GAGs. Phenotypically, these disorders all reflect alterations in crucial biological functions of GAGs in the development, growth and homoeostasis of cartilage and bone. To date, up to 27 different skeletal phenotypes have been linked to mutations in 23 genes encoding for proteins involved in GAG biosynthesis. This review focuses on recent genetic, molecular and biochemical studies of bone and connective tissue disorders caused by GAG synthesis defects. These insights and future research in the field will provide a deeper understanding of the molecular pathogenesis of these disorders and will pave the way for developing common therapeutic strategies that might be targeted to a range of individual phenotypes.
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Affiliation(s)
- Chiara Paganini
- Department of Molecular Medicine, Unit of Biochemistry, University of Pavia, Italy
| | - Rossella Costantini
- Department of Molecular Medicine, Unit of Biochemistry, University of Pavia, Italy
| | - Andrea Superti-Furga
- Division of Genetic Medicine, Lausanne University Hospital, University of Lausanne, Switzerland
| | - Antonio Rossi
- Department of Molecular Medicine, Unit of Biochemistry, University of Pavia, Italy
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9
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Abstract
PURPOSE Congenital clubfoot is a serious birth defect that affects nearly 0.1% of all births. Though there is strong evidence for a genetic basis of isolated clubfoot, aside from a handful of associations, much of the heritability remains unexplained. METHODS By systematically examining the genes involved in syndromic clubfoot, we may find new candidate genes and pathways to investigate in isolated clubfoot. RESULTS In addition to the expected enrichment of extracellular matrix and transforming growth factor beta (TGF-β) signalling genes, we find many genes involved in syndromic clubfoot encode peroxisomal matrix proteins, as well as enzymes necessary for sulfation of proteoglycans, an important part of connective tissue. Further, the association of Filamin B with isolated clubfoot as well as syndromic clubfoot is an encouraging finding. CONCLUSION We should examine these categories for enrichment in isolated clubfoot patients to increase our understanding of the underlying biology and pathophysiology of this deformity. Understanding the spectrum of syndromes that have clubfoot as a feature enables a better understanding of the underlying pathophysiology of the disorder and directs future genetic screening efforts toward certain genes and genetic pathways. LEVEL OF EVIDENCE V.
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Affiliation(s)
- B. Sadler
- Department of Neurology, Washington University in St. Louis, St Louis, Missouri, USA
| | - C. A. Gurnett
- Department of Neurology, Washington University in St. Louis, St Louis, Missouri, USA
| | - M. B. Dobbs
- Department of Orthopaedic Surgery, Washington University in St. Louis, St. Louis, Missouri, USA,Correspondence should be sent to Matthew B. Dobbs, MD, 1 Children’s Place, Suite 4S-60, Department of Orthopedic Surgery, 660 S Euclid Ave, Campus Box 8233, Washington University in St Louis, St Louis, Missouri 63110, USA. E-mail:
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10
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Shin SH, StJoseph E, Mannan K, Khan K. Radiography of Chitayat syndrome in an infant male. Radiol Case Rep 2019; 14:448-451. [PMID: 30728880 PMCID: PMC6352852 DOI: 10.1016/j.radcr.2019.01.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 01/13/2019] [Accepted: 01/13/2019] [Indexed: 11/16/2022] Open
Abstract
Chitayat syndrome is a rare genetic syndrome characterised by bilateral hyperphalangism, bronchomalacia, hallux valgus, and other facial dysmorphism including large anterior fontanelle, hypertelorism, and anteverted nostrils. Since the initial discovery, only few cases of Chitayat syndrome have been reported in the literature. Previous literatures showed the genetic link between 5 case reports, showing that a unique link of recurrent c.266A>G p.(Tyr89Cys) variant in the ERF gene may be the contributory genetic cause of Chitayat syndrome. However, it still remains as an unfamiliar genetic syndrome. In this case report, we aim to discuss a rare case of Chitayat syndrome and demonstrate the radiological findings associated.
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Affiliation(s)
- Seong Hwan Shin
- Basildon and Thurrock University Hospital, Nether Mayne, Basildon SS16 5NL, United Kingdom
| | - Emma StJoseph
- Basildon and Thurrock University Hospital, Nether Mayne, Basildon SS16 5NL, United Kingdom
| | - Khalid Mannan
- Barking, Havering and Redbridge University Hospitals NHS Trust, Queen's Hospital, Rom Valley Way, Romford, Essex RM7 0AG, United Kingdom
| | - Khalid Khan
- Barking, Havering and Redbridge University Hospitals NHS Trust, Queen's Hospital, Rom Valley Way, Romford, Essex RM7 0AG, United Kingdom
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11
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Schoner K, Bald R, Horn D, Rehder H, Kornak U, Ehmke N. Mutations in TGDS associated with additional malformations of the middle fingers and halluces: Atypical Catel-Manzke syndrome in a fetus. Am J Med Genet A 2017; 173:1694-1697. [PMID: 28422407 DOI: 10.1002/ajmg.a.38209] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Revised: 02/12/2017] [Accepted: 02/13/2017] [Indexed: 01/16/2023]
Abstract
Pierre-Robin sequence, radial deviation, and ulnar clinodactyly of the index fingers due to an additional phalangeal bone, as well as heart defects are the key features of Catel-Manzke syndrome. Although mutations in TGDS were identified as the cause of this disorder, the pathogenetic mechanism remains unknown. Here, we report on a fetus with severe heart defect, nuchal edema, talipes, Pierre-Robin sequence, and bilateral deviation and clinodactyly of the index and middle fingers. Pregnancy was terminated at the 22nd week of gestation. Postmortem radiographs showed hypoplasia and V-shaped displacement of the second and third proximal phalanges of both hands as well as hypoplasia of the first metatarsals and the phalangeal bones of the halluces. The suggested diagnosis Catel-Manzke syndrome was confirmed by the detection of two compound heterozygous mutations in TGDS: The known variant c.298G>T; p.(Ala100Ser) and the so far undescribed variant c.895G>A; p.(Asp299Asn), located in the predicted substrate binding site of TGDS. This is the first report on the association of mutations in TGDS with additional anomalies of the middle fingers and halluces. We provide a detailed phenotypic characterization of the only fetus with molecularly confirmed Catel-Manzke syndrome, which is relevant for prenatal diagnosis. Our findings widen the phenotype spectrum caused by TGDS mutations and underline the phenotypic overlap with Temtamy preaxial brachydactyly syndrome. This improves our understanding of the prenatal development and the pathogenetic mechanism of Catel-Manzke syndrome.
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Affiliation(s)
- Katharina Schoner
- Institute of Pathology, Fetal pathology, Philipp University of Marburg, Universitätsklinikum Gießen und Marburg, Standort Marburg, Marburg, Germany
| | - Rainer Bald
- Clinic of Gynecology and Prenatal Medicine, Klinikum Leverkusen, Leverkusen, Germany
| | - Denise Horn
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Helga Rehder
- Institute of Pathology, Fetal pathology, Philipp University of Marburg, Universitätsklinikum Gießen und Marburg, Standort Marburg, Marburg, Germany.,Institute of Medical Genetics, Medical University of Vienna, Vienna, Austria
| | - Uwe Kornak
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Berlin-Brandenburg Center for Regenerative Therapies - BCRT, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Max Planck Institute for Molecular Genetics, Berlin, Germany
| | - Nadja Ehmke
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Berlin Institute of Health (BIH), Berlin, Germany
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12
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Pogue R, Marques FA, Kopacek C, Rosa RCM, Dorfman LE, Mazzeu JF, Flores JAM, Zen PRG, Rosa RFM. Short stature, unusual face, delta phalanx, and abnormal vertebrae and ribs in a girl born to half-siblings. Am J Med Genet A 2017; 173:1152-1158. [PMID: 28371255 DOI: 10.1002/ajmg.a.38172] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 01/12/2017] [Accepted: 01/12/2017] [Indexed: 01/27/2023]
Abstract
Delta phalanx is a rare abnormality typically associated with additional features. We describe a patient with a phenotype resembling Catel-Manzke syndrome, but with delta phalanx and abnormal vertebrae and ribs. The patient was the only child of half siblings born with a marked prenatal growth deficiency. At 10 years of age, she had a short stature, long face, long and tubular nose with small alae nasi, high palate, short and broad thorax, and short index fingers with radial deviation. There were hyperpigmentations following Blaschko's lines. Radiology showed a proximal delta phalanx in the index finger of hands, abnormal vertebrae, and fused and small ribs. GTG-Banding karyotype and microarray analysis yielded normal results. Exome sequencing identified 25 genes that harbored homozygous variants, but none of these is assumed to be a good candidate to explain (part of) the phenotype. The here described patient may have a new condition, possibly following an autosomal recessive pattern of inheritance, although due to the high degree of consanguinity a compound etiology of the phenotype by variants in various genes may be present as well.
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Affiliation(s)
- Robert Pogue
- Graduate Program in Genomic Sciences and Biotechnology, Universidade Católica de Brasília, Brasília, DF, Brazil
| | - Felipe A Marques
- Graduate Program in Genomic Sciences and Biotechnology, Universidade Católica de Brasília, Brasília, DF, Brazil.,Biotechnology Laboratory, Universidade CEUMA, São Luis, MA, Brazil.,Department of Biomedicine, Universidade CEUMA, São Luís, MA, Brazil.,Department of Pharmacy, Universidade CEUMA, São Luís, MA, Brazil
| | - Cristiane Kopacek
- Department of Pediatric Endocrinology, Hospital Materno Infantil Presidente Vargas (HMIPV), Porto Alegre, RS, Brazil
| | - Rosana C M Rosa
- Graduate Program in Pathology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Luiza E Dorfman
- Graduate Program in Pathology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil.,Department of Biomedicine, Universidade do Vale do Rio dos Sinos (UNISINOS), São Leopoldo, RS, Brazil
| | - Juliana F Mazzeu
- Graduate Program in Medical Sciences, Universidade de Brasília, Brasília, Brazil
| | - José A M Flores
- Department of Pediatric Radiology, Hospital da Criança Santo Antônio (HCSA), Porto Alegre, RS, Brazil
| | - Paulo R G Zen
- Graduate Program in Pathology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil.,Graduate Program in Biosciences, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil.,Department of Clinical Genetics, UFCSPA and Complexo Hospitalar Santa Casa de Porto Alegre (CHSCPA), Porto Alegre, RS, Brazil
| | - Rafael F M Rosa
- Graduate Program in Pathology, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil.,Graduate Program in Biosciences, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil.,Department of Clinical Genetics, UFCSPA and Complexo Hospitalar Santa Casa de Porto Alegre (CHSCPA), Porto Alegre, RS, Brazil.,Department of Clinical Genetics, HMIPV, Porto Alegre, RS, Brazil
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13
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Ranza E, Huber C, Levin N, Baujat G, Bole-Feysot C, Nitschke P, Masson C, Alanay Y, Al-Gazali L, Bitoun P, Boute O, Campeau P, Coubes C, McEntagart M, Elcioglu N, Faivre L, Gezdirici A, Johnson D, Mihci E, Nur BG, Perrin L, Quelin C, Terhal P, Tuysuz B, Cormier-Daire V. Chondrodysplasia with multiple dislocations: comprehensive study of a series of 30 cases. Clin Genet 2017; 91:868-880. [PMID: 28229453 DOI: 10.1111/cge.12885] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Revised: 10/05/2016] [Accepted: 10/08/2016] [Indexed: 11/28/2022]
Abstract
The group of chondrodysplasia with multiple dislocations includes several entities, characterized by short stature, dislocation of large joints, hand and/or vertebral anomalies. Other features, such as epiphyseal or metaphyseal changes, cleft palate, intellectual disability are also often part of the phenotype. In addition, several conditions with overlapping features are related to this group and broaden the spectrum. The majority of these disorders have been linked to pathogenic variants in genes encoding proteins implicated in the synthesis or sulfation of proteoglycans (PG). In a series of 30 patients with multiple dislocations, we have performed exome sequencing and subsequent targeted analysis of 15 genes, implicated in chondrodysplasia with multiple dislocations, and related conditions. We have identified causative pathogenic variants in 60% of patients (18/30); when a clinical diagnosis was suspected, this was molecularly confirmed in 53% of cases. Forty percent of patients remain without molecular etiology. Pathogenic variants in genes implicated in PG synthesis are of major importance in chondrodysplasia with multiple dislocations and related conditions. The combination of hand features, growth failure severity, radiological aspects of long bones and of vertebrae allowed discrimination among the different conditions. We propose key diagnostic clues to the clinician.
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Affiliation(s)
- E Ranza
- Department of Genetics, INSERM UMR1163, Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Hôpital Necker Enfants Malades (AP-HP), Paris, France.,Service of Genetic Medicine, University Hospitals of Geneva, Geneva, Switzerland
| | - C Huber
- Department of Genetics, INSERM UMR1163, Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Hôpital Necker Enfants Malades (AP-HP), Paris, France
| | - N Levin
- Department of Genetics, INSERM UMR1163, Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Hôpital Necker Enfants Malades (AP-HP), Paris, France
| | - G Baujat
- Department of Genetics, INSERM UMR1163, Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Hôpital Necker Enfants Malades (AP-HP), Paris, France
| | - C Bole-Feysot
- Plateforme de génomique, Fondation IMAGINE, Paris, France
| | - P Nitschke
- Plateforme de Bioinformatique, Université Paris Descartes, Paris, France
| | - C Masson
- Plateforme de Bioinformatique, Université Paris Descartes, Paris, France
| | - Y Alanay
- School of Medicine, Department of Pediatrics, Pediatric Genetics Unit, Acibadem University, Istanbul, Turkey
| | - L Al-Gazali
- Department of Pediatrics, College of Medicine and Health Sciences, UAE University, Al Ain, United Arab Emirates
| | - P Bitoun
- Génétique Médicale, Hôpital Jean Verdier, Bondy, France
| | - O Boute
- Génétique Clinique, Hôpital Jeanne de Flandre, Lille, France
| | - P Campeau
- Division of Medical genetics, Department of Pediatrics, CHU Sainte Justine and University of Montreal, Montreal, Quebec, Canada
| | - C Coubes
- Département de Génétique Médicale, Hôpital Arnaud de Villeneuve, Montpellier, France
| | - M McEntagart
- Medical Genetics, St George's Healthcare NHS Trust, London, UK
| | - N Elcioglu
- Department of Pediatric Genetics, Marmara University Medical School, Istanbul, Turkey
| | - L Faivre
- Centre de Référence Anomalies du Développement et Syndromes Malformatifs et FHU TRANSLAD, CHU de Dijon et Université de Bourgogne, Dijon, France
| | - A Gezdirici
- Department of Medical Genetics, Kanuni Sultan Suleyman Training and Research Hospital, Istanbul, Turkey
| | - D Johnson
- Sheffield Clinical Genetics Service, Sheffield Children's Hospital, Sheffield, UK
| | - E Mihci
- Akdeniz University School of Medicine, Division of Pediatric Genetics, Antalya, Turkey
| | - B G Nur
- Akdeniz University School of Medicine, Division of Pediatric Genetics, Antalya, Turkey
| | - L Perrin
- Unité de Génétique Clinique, Hopital Robert Debré, Paris, France
| | - C Quelin
- Génétique Médicale, Hôpital Sud, Rennes, France
| | - P Terhal
- University Medical Center, Wilhelmina Childrens Hospital, Utrecht, the Netherlands
| | - B Tuysuz
- Cerrahpasa Medical Faculty, Department of Pediatric Genetics, Istanbul University, Istanbul, Turkey
| | - V Cormier-Daire
- Department of Genetics, INSERM UMR1163, Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Hôpital Necker Enfants Malades (AP-HP), Paris, France
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14
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Neurodevelopmental Effects of Serotonin on the Brainstem Respiratory Network. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1015:193-216. [DOI: 10.1007/978-3-319-62817-2_11] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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15
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Balasubramanian M, Lord H, Levesque S, Guturu H, Thuriot F, Sillon G, Wenger AM, Sureka DL, Lester T, Johnson DS, Bowen J, Calhoun AR, Viskochil DH, Bejerano G, Bernstein JA, Chitayat D. Chitayat syndrome: hyperphalangism, characteristic facies, hallux valgus and bronchomalacia results from a recurrent c.266A>G p.(Tyr89Cys) variant in the ERF gene. J Med Genet 2016; 54:157-165. [PMID: 27738187 DOI: 10.1136/jmedgenet-2016-104143] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Revised: 09/01/2016] [Accepted: 09/21/2016] [Indexed: 12/17/2022]
Abstract
BACKGROUND In 1993, Chitayat et al., reported a newborn with hyperphalangism, facial anomalies, and bronchomalacia. We identified three additional families with similar findings. Features include bilateral accessory phalanx resulting in shortened index fingers; hallux valgus; distinctive face; respiratory compromise. OBJECTIVES To identify the genetic aetiology of Chitayat syndrome and identify a unifying cause for this specific form of hyperphalangism. METHODS Through ongoing collaboration, we had collected patients with strikingly-similar phenotype. Trio-based exome sequencing was first performed in Patient 2 through Deciphering Developmental Disorders study. Proband-only exome sequencing had previously been independently performed in Patient 4. Following identification of a candidate gene variant in Patient 2, the same variant was subsequently confirmed from exome data in Patient 4. Sanger sequencing was used to validate this variant in Patients 1, 3; confirm paternal inheritance in Patient 5. RESULTS A recurrent, novel variant NM_006494.2:c.266A>G p.(Tyr89Cys) in ERF was identified in five affected individuals: de novo (patient 1, 2 and 3) and inherited from an affected father (patient 4 and 5). p.Tyr89Cys is an aromatic polar neutral to polar neutral amino acid substitution, at a highly conserved position and lies within the functionally important ETS-domain of the protein. The recurrent ERF c.266A>C p.(Tyr89Cys) variant causes Chitayat syndrome. DISCUSSION ERF variants have previously been associated with complex craniosynostosis. In contrast, none of the patients with the c.266A>G p.(Tyr89Cys) variant have craniosynostosis. CONCLUSIONS We report the molecular aetiology of Chitayat syndrome and discuss potential mechanisms for this distinctive phenotype associated with the p.Tyr89Cys substitution in ERF.
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Affiliation(s)
- M Balasubramanian
- Sheffield Clinical Genetics Service, Sheffield Children's NHS Foundation Trust, Sheffield, UK
| | - H Lord
- Oxford Medical Genetics Laboratories, Oxford University Hospitals NHS Foundation Trust, The Churchill Hospital, Oxford, UK
| | - S Levesque
- Department of Pediatrics, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, Quebec, Canada
| | - H Guturu
- Department of Pediatrics, Stanford University School of Medicine, Stanford, California, USA
| | - F Thuriot
- Department of Pediatrics, Centre Hospitalier Universitaire de Sherbrooke, Sherbrooke, Quebec, Canada
| | - G Sillon
- Department of Medical Genetics, McGill University Health Center, Montreal, Quebec, Canada
| | - A M Wenger
- Department of Pediatrics, Stanford University School of Medicine, Stanford, California, USA
| | - D L Sureka
- Department of Pediatrics, Stanford University School of Medicine, Stanford, California, USA
| | - T Lester
- Oxford Medical Genetics Laboratories, Oxford University Hospitals NHS Foundation Trust, The Churchill Hospital, Oxford, UK
| | - D S Johnson
- Sheffield Clinical Genetics Service, Sheffield Children's NHS Foundation Trust, Sheffield, UK
| | - J Bowen
- Sheffield Clinical Genetics Service, Sheffield Children's NHS Foundation Trust, Sheffield, UK
| | - A R Calhoun
- Division of Genetics and Metabolism, Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota, USA
| | - D H Viskochil
- School of Medicine, Pediatric Genetics, Salt Lake City, Utah, USA
| | | | - G Bejerano
- Department of Pediatrics, Stanford University School of Medicine, Stanford, California, USA.,Department of Computer Science, Stanford University, Stanford, California, USA.,Department of Developmental Biology, Stanford University, Stanford, California, USA
| | - J A Bernstein
- Department of Pediatrics, Stanford University School of Medicine, Stanford, California, USA
| | - D Chitayat
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynecology, Mount Sinai Hospital, Toronto, Ontario, Canada.,Division of Clinical Genetics and Metabolism, Department of Pediatrics, The Hospital for Sick Children; University of Toronto, Toronto, Ontario, Canada
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16
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Exome sequencing in a patient with Catel–Manzke-like syndrome excludes the involvement of the known genes and reveals a possible candidate. Eur J Med Genet 2015; 58:597-602. [DOI: 10.1016/j.ejmg.2015.09.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Revised: 09/12/2015] [Accepted: 09/21/2015] [Indexed: 11/21/2022]
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17
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Pferdehirt R, Jain M, Blazo MA, Lee B, Burrage LC. Catel-Manzke Syndrome: Further Delineation of the Phenotype Associated with Pathogenic Variants in TGDS. Mol Genet Metab Rep 2015; 4:89-91. [PMID: 26366375 PMCID: PMC4563870 DOI: 10.1016/j.ymgmr.2015.08.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Catel–Manzke syndrome is a rare autosomal recessive disorder characterized by Pierre Robin sequence with hyperphalangy and clinodactyly of the index finger. Recently, homozygous or compound heterozygous pathogenic variants in TGDS have been discovered to cause Catel–Manzke syndrome. Here, we describe a 12-month-old male with molecularly confirmed Catel–Manzke syndrome who presented with Pierre Robin sequence (but without cleft palate) and hyperphalangy, and we compare his phenotype with the seven previously described patients with pathogenic variants in TGDS. Our patient is on the severe end of the phenotypic spectrum, presenting with respiratory complications and failure to thrive. Furthermore, our finding of a homozygous p.Ala100Ser pathogenic variant in our patient supports that it is a common mutation in Catel–Manzke syndrome.
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Affiliation(s)
- Rachel Pferdehirt
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Mahim Jain
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Maria A. Blazo
- Department of Genetics, Baylor Scott & White Health, Texas A&M Health Science Center College of Medicine, Temple, TX 76508, USA
| | - Brendan Lee
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Lindsay C. Burrage
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
- Corresponding author at: One Baylor Plaza, BCM 225, Houston, TX 77030, USA.One Baylor PlazaBCM 225HoustonTX77030USA
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18
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Atik A, Ozyurek S, Meric G, Sargin S, Kose O, Ulusal AE. Congenital Pseudarthrosis of Index Metacarpal Bone Treated with Distraction Osteogenesis Followed by Autologous Grafting. J Hand Microsurg 2015; 7:152-6. [PMID: 26078531 DOI: 10.1007/s12593-014-0128-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Accepted: 03/17/2014] [Indexed: 11/26/2022] Open
Affiliation(s)
- Aziz Atik
- Department of Orthopaedics and Traumatology, Balikesir University Medical Faculty, Balikesir, Turkey
| | - Selahattin Ozyurek
- Department of Orthopaedics and Traumatology, Aksaz Military Hospital, 48700 Marmaris, Mugla Turkey
| | - Gokhan Meric
- Department of Orthopaedics and Traumatology, Balikesir University Medical Faculty, Balikesir, Turkey
| | - Serdar Sargin
- Department of Orthopaedics and Traumatology, Balikesir University Medical Faculty, Balikesir, Turkey
| | - Ozkan Kose
- Department of Orthopaedics and Traumatology, Antalya Education and Training Hospital, Antalya, Turkey
| | - Ali Engin Ulusal
- Department of Orthopaedics and Traumatology, Balikesir University Medical Faculty, Balikesir, Turkey
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19
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Hunter JM, Kiefer J, Balak CD, Jooma S, Ahearn ME, Hall JG, Baumbach-Reardon L. Review of X-linked syndromes with arthrogryposis or early contractures-aid to diagnosis and pathway identification. Am J Med Genet A 2015; 167A:931-73. [DOI: 10.1002/ajmg.a.36934] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Accepted: 12/05/2014] [Indexed: 02/03/2023]
Affiliation(s)
- Jesse M. Hunter
- Integrated Functional Cancer Genomics; Translational Genomics Research Institute; Phoenix Arizona
| | - Jeff Kiefer
- Knowledge Mining; Translational Genomics Research Institute; Phoenix Arizona
| | - Christopher D. Balak
- Integrated Functional Cancer Genomics; Translational Genomics Research Institute; Phoenix Arizona
| | - Sonya Jooma
- Integrated Functional Cancer Genomics; Translational Genomics Research Institute; Phoenix Arizona
| | - Mary Ellen Ahearn
- Integrated Functional Cancer Genomics; Translational Genomics Research Institute; Phoenix Arizona
| | - Judith G. Hall
- Departments of Medical Genetics and Pediatrics; University of British Columbia and BC Children's Hospital Vancouver; British Columbia Canada
| | - Lisa Baumbach-Reardon
- Integrated Functional Cancer Genomics; Translational Genomics Research Institute; Phoenix Arizona
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20
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Ehmke N, Caliebe A, Koenig R, Kant SG, Stark Z, Cormier-Daire V, Wieczorek D, Gillessen-Kaesbach G, Hoff K, Kawalia A, Thiele H, Altmüller J, Fischer-Zirnsak B, Knaus A, Zhu N, Heinrich V, Huber C, Harabula I, Spielmann M, Horn D, Kornak U, Hecht J, Krawitz PM, Nürnberg P, Siebert R, Manzke H, Mundlos S. Homozygous and compound-heterozygous mutations in TGDS cause Catel-Manzke syndrome. Am J Hum Genet 2014; 95:763-70. [PMID: 25480037 PMCID: PMC4259972 DOI: 10.1016/j.ajhg.2014.11.004] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Accepted: 11/10/2014] [Indexed: 12/30/2022] Open
Abstract
Catel-Manzke syndrome is characterized by Pierre Robin sequence and a unique form of bilateral hyperphalangy causing a clinodactyly of the index finger. We describe the identification of homozygous and compound heterozygous mutations in TGDS in seven unrelated individuals with typical Catel-Manzke syndrome by exome sequencing. Six different TGDS mutations were detected: c.892A>G (p.Asn298Asp), c.270_271del (p.Lys91Asnfs(∗)22), c.298G>T (p.Ala100Ser), c.294T>G (p.Phe98Leu), c.269A>G (p.Glu90Gly), and c.700T>C (p.Tyr234His), all predicted to be disease causing. By using haplotype reconstruction we showed that the mutation c.298G>T is probably a founder mutation. Due to the spectrum of the amino acid changes, we suggest that loss of function in TGDS is the underlying mechanism of Catel-Manzke syndrome. TGDS (dTDP-D-glucose 4,6-dehydrogenase) is a conserved protein belonging to the SDR family and probably plays a role in nucleotide sugar metabolism.
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Affiliation(s)
- Nadja Ehmke
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany.
| | - Almuth Caliebe
- Institute of Human Genetics, Christian-Albrechts-University Kiel & University Hospital Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany
| | - Rainer Koenig
- Institute of Human Genetics, Goethe-University Frankfurt, 60590 Frankfurt am Main, Germany
| | - Sarina G Kant
- Department of Clinical Genetics, Leiden University Medical Center, 2300 RC Leiden, the Netherlands
| | - Zornitza Stark
- Victorian Clinical Genetics Service, Murdoch Children's Research Institute, Parkville, VIC 3052, Australia
| | - Valérie Cormier-Daire
- Department of Genetics, INSERM UMR 1163, Université Paris Descartes-Sorbonne PARIS Cité, Imagine Institute, Hôpital Necker Enfants Males, 75015 Paris, France
| | - Dagmar Wieczorek
- Institut für Humangenetik, Universitätsklinikum Essen, Universität Duisburg-Essen, 45122 Essen, Germany
| | | | - Kirstin Hoff
- Institute of Human Genetics, Christian-Albrechts-University Kiel & University Hospital Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany; Department of Congenital Heart Disease and Pediatric Cardiology, Christian-Albrechts-University Kiel & University Hospital Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany; DZHK (German Centre for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, 24105 Kiel, Germany
| | - Amit Kawalia
- Cologne Center for Genomics (CCG), University of Cologne, 50931 Cologne, Germany
| | - Holger Thiele
- Cologne Center for Genomics (CCG), University of Cologne, 50931 Cologne, Germany
| | - Janine Altmüller
- Cologne Center for Genomics (CCG), University of Cologne, 50931 Cologne, Germany; Institute of Human Genetics, University of Cologne, 50931 Cologne, Germany
| | - Björn Fischer-Zirnsak
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany; Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Alexej Knaus
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany; Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Na Zhu
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Verena Heinrich
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Celine Huber
- Department of Genetics, INSERM UMR 1163, Université Paris Descartes-Sorbonne PARIS Cité, Imagine Institute, Hôpital Necker Enfants Males, 75015 Paris, France
| | - Izabela Harabula
- Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Malte Spielmann
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany; Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Denise Horn
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Uwe Kornak
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany; Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Jochen Hecht
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany; Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Peter M Krawitz
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany; Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Peter Nürnberg
- Cologne Center for Genomics (CCG), University of Cologne, 50931 Cologne, Germany; Center for Molecular Medicine Cologne (CMMC), University of Cologne, 50931 Cologne, Germany; Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, 50931 Cologne, Germany
| | - Reiner Siebert
- Institute of Human Genetics, Christian-Albrechts-University Kiel & University Hospital Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany
| | | | - Stefan Mundlos
- Institute of Medical and Human Genetics, Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany; Berlin-Brandenburg Center for Regenerative Therapies (BCRT), Charité-Universitätsmedizin Berlin, 13353 Berlin, Germany; Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany.
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Low K, Smith J, Lee S, Newbury-Ecob R. A mother and daughter with a novel phenotype of hand and foot abnormalities and severe pectus excavatum. Am J Med Genet A 2013; 161A:2056-9. [PMID: 23824731 DOI: 10.1002/ajmg.a.36016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2012] [Accepted: 04/03/2013] [Indexed: 11/10/2022]
Abstract
A mother and daughter with an overlapping Catel-Manzke and Temtamy preaxial brachydactyly hyperphalangism syndrome phenotype are reported. We describe a phenotype with a previously undescribed genetic basis. .
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Affiliation(s)
- Karen Low
- Department of Clinical Genetics, University Hospitals Bristol, Bristol, UK.
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22
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Nizon M, Alanay Y, Tuysuz B, Kiper POS, Geneviève D, Sillence D, Huber C, Munnich A, Cormier-Daire V. IMPAD1 mutations in two Catel-Manzke like patients. Am J Med Genet A 2012; 158A:2183-7. [PMID: 22887726 DOI: 10.1002/ajmg.a.35504] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Accepted: 05/07/2012] [Indexed: 01/23/2023]
Abstract
Catel-Manzke syndrome is characterized by hyperphalangism with bilateral deviation of the index fingers and micrognathia with or without cleft palate. Some atypical patients present with additional malformations. No molecular basis is yet available. Most patients have an unremarkable family history but autosomal recessive inheritance has been recently suggested in a consanguineous family with recurrence in sibs. Catel-Manzke syndrome has overlapping features with Desbuquois dysplasia type 1 due to CANT1 (calcium-activated nucleotidase 1) mutations and also with "chondrodysplasia with joint dislocations, gPAPP type" due to IMPAD1 (Inositol Monophosphatase Domain containing 1) mutations recently reported in four patients, all characterized by short stature, joint dislocations, brachydactyly and cleft palate. The aim of our study was to screen CANT1 and IMPAD1 in Catel-Manzke patients. Three patients were diagnosed as classical Catel-Manzke syndrome and two as Catel-Manzke like patients, based on the presence of additional features. We identified two homozygous loss-of-function IMPAD1 mutations in the two Catel-Manzke like patients (p.Arg187X and p.Ser108ArgfsX48). The phenotype was characterized by severe growth retardation with short and abnormal extremities, cleft palate with micrognathia and knee hyperlaxity. Radiographs of hands and feet revealed numerous accessory bones with abnormally shaped phalanges and carpal synostosis. Based on this report, we concluded that IMPAD1 should be screened for patients with Catel-Manzke and additional features.
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Affiliation(s)
- Mathilde Nizon
- Département de génétique, Université Paris Descartes-Sorbonne Paris Cité, Institut Imagine, Hôpital Necker-Enfants Malades, Paris, France
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23
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Kiper PÖŞ, Utine GE, Boduroğlu K, Alanay Y. Catel-Manzke syndrome: A clinical report suggesting autosomal recessive inheritance. Am J Med Genet A 2011; 155A:2288-92. [DOI: 10.1002/ajmg.a.34163] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2011] [Accepted: 06/01/2011] [Indexed: 11/07/2022]
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24
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Baynam G, Kiraly-Borri C, Goldblatt J, Dickinson JE, Jevon GP, Overkov A. A recurrence of a hydrop lethal skeletal dysplasia showing similarity to Desbuquois dysplasia and a proposed new sign: The Upsilon sign. Am J Med Genet A 2010; 152A:966-9. [DOI: 10.1002/ajmg.a.33264] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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