1
|
Toutouna L, Beck-Woedl S, Feige U, Glaeser B, Komlosi K, Eckenweiler M, Luetzen N, Haack TB, Fischer J, Bader I, Tzschach A. Novel homozygous LAMB1 in-frame deletion in a pediatric patient with brain anomalies and cerebrovascular event. Am J Med Genet A 2023; 191:2656-2663. [PMID: 37466007 DOI: 10.1002/ajmg.a.63349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/07/2023] [Accepted: 06/28/2023] [Indexed: 07/20/2023]
Abstract
Biallelic pathogenic variants in LAMB1 have been associated with autosomal recessive lissencephaly 5 (OMIM 615191), which is characterized by brain malformations (cobblestone lissencephaly, hydrocephalus), developmental delay, and epilepsy. Pathogenic variants in LAMB1 are rare, with only 11 pathogenic variants and 11 patients reported to date. Here, we report on a 6-year-old patient from a consanguineous family with profound developmental delay, microcephaly, and a history of a perinatal cerebrovascular event. Brain magnetic resonance imaging (MRI) showed cerebellar cystic defects, signal intensity abnormalities, and a hypoplastic corpus callosum. Trio-exome analysis revealed a homozygous in-frame deletion of Exons 23 and 24 of LAMB1 affecting 104 amino acids including the epidermal growth factor (EGF)-like units 11 and 12 in Domain III. To our knowledge, this is the first reported in-frame deletion in LAMB1. Our findings broaden the clinical and molecular spectrum of LAMB1-associated syndromes.
Collapse
Affiliation(s)
- Louiza Toutouna
- Faculty of Medicine, Institute of Human Genetics, University Medical Center Freiburg, University of Freiburg, Freiburg, Germany
| | - Stefanie Beck-Woedl
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, Tübingen, Germany
| | - Ursula Feige
- Department of Neuroradiology, Faculty of Medicine, University Medical Center Freiburg, University of Freiburg, Freiburg, Germany
| | - Birgitta Glaeser
- Faculty of Medicine, Institute of Human Genetics, University Medical Center Freiburg, University of Freiburg, Freiburg, Germany
| | - Katalin Komlosi
- Faculty of Medicine, Institute of Human Genetics, University Medical Center Freiburg, University of Freiburg, Freiburg, Germany
| | - Matthias Eckenweiler
- Department of Neuropediatrics and Muscle Disorders, Faculty of Medicine, University Medical Center Freiburg, University of Freiburg, Freiburg, Germany
| | - Niklas Luetzen
- Department of Neuroradiology, Faculty of Medicine, University Medical Center Freiburg, University of Freiburg, Freiburg, Germany
| | - Tobias B Haack
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, Tübingen, Germany
| | - Judith Fischer
- Faculty of Medicine, Institute of Human Genetics, University Medical Center Freiburg, University of Freiburg, Freiburg, Germany
| | - Ingrid Bader
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, Tübingen, Germany
| | - Andreas Tzschach
- Faculty of Medicine, Institute of Human Genetics, University Medical Center Freiburg, University of Freiburg, Freiburg, Germany
| |
Collapse
|
2
|
Bader I, Freilinger M, Landauer F, Waldmüller S, Mueller-Felber W, Rauscher C, Sperl W, Bittner RE, Schmidt WM, Mayr JA. A recurrent single-amino acid deletion (p.Glu500del) in the head domain of ß-cardiac myosin in two unrelated boys presenting with polyhydramnios, congenital axial stiffness and skeletal myopathy. Orphanet J Rare Dis 2022; 17:279. [PMID: 35854315 PMCID: PMC9295345 DOI: 10.1186/s13023-022-02421-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 06/30/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Alterations in the MYH7 gene can cause cardiac and skeletal myopathies. MYH7-related skeletal myopathies are extremely rare, and the vast majority of causal variants in the MYH7 gene are predicted to alter the rod domain of the of ß-cardiac myosin molecule, resulting in distal muscle weakness as the predominant manifestation. Here we describe two unrelated patients harboring an in-frame deletion in the MYH7 gene that is predicted to result in deletion of a single amino acid (p.Glu500del) in the head domain of ß-cardiac myosin. Both patients display an unusual skeletal myopathy phenotype with congenital axial stiffness and muscular hypertonus, but no cardiac involvement. RESULTS Clinical data, MRI results and histopathological data were collected retrospectively in two unrelated boys (9 and 3.5 years old). Exome sequencing uncovered the same 3-bp in-frame deletion in exon 15 (c.1498_1500delGAG) of the MYH7 gene of both patients, a mutation which deletes a highly conserved glutamate residue (p.Glu500del) in the relay loop of the head domain of the ß-cardiac myosin heavy chain. The mutation occurred de novo in one patient, whereas mosaicism was detected in blood of the father of the second patient. Both boys presented with an unusual phenotype of prenatal polyhydramnios, congenital axial stiffness and muscular hypertonus. In one patient the phenotype evolved into an axial/proximal skeletal myopathy without distal involvement or cardiomyopathy, whereas the other patient exhibited predominantly stiffness and respiratory involvement. We review and compare all patients described in the literature who possess a variant predicted to alter the p.Glu500 residue in the ß-cardiac myosin head domain, and we provide in-silico analyses of potential effects on polypeptide function. CONCLUSION The data presented here expand the phenotypic spectrum of mutations in the MYH7 gene and have implications for future diagnostics and therapeutic approaches.
Collapse
Affiliation(s)
- Ingrid Bader
- Clinical Genetics Unit, University Hospital, Salzburger Landeskliniken and Paracelsus Medical University Salzburg, 5020, Salzburg, Austria. .,University Children's Hospital, Salzburger Landeskliniken and Paracelsus Medical University Salzburg, 5020, Salzburg, Austria. .,Institute of Medical Genetics and Applied Genomics, University of Tübingen, Calwerstr. 7, 72076, Tübingen, Germany.
| | - M Freilinger
- Universitätsklinik Für Kinder- Und Jugendheilkunde, Medical University of Vienna, 1090, Vienna, Austria
| | - F Landauer
- University Clinic of Orthopaedic and Trauma Surgery, SALK and Paracelsus Medical University Salzburg, 5020, Salzburg, Austria
| | - S Waldmüller
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, Calwerstr. 7, 72076, Tübingen, Germany
| | - W Mueller-Felber
- Dr. V. Hauner Children's Hospital, Ludwig-Maximilian University of Munich, Munich, Germany
| | - C Rauscher
- University Children's Hospital, Salzburger Landeskliniken and Paracelsus Medical University Salzburg, 5020, Salzburg, Austria
| | - W Sperl
- University Children's Hospital, Salzburger Landeskliniken and Paracelsus Medical University Salzburg, 5020, Salzburg, Austria
| | - R E Bittner
- Neuromuscular Research Department, Center of Anatomy and Cell Biology, Medical University of Vienna, 1090, Vienna, Austria
| | - W M Schmidt
- Neuromuscular Research Department, Center of Anatomy and Cell Biology, Medical University of Vienna, 1090, Vienna, Austria
| | - J A Mayr
- University Children's Hospital, Salzburger Landeskliniken and Paracelsus Medical University Salzburg, 5020, Salzburg, Austria
| |
Collapse
|
3
|
Carvalhal S, Bader I, Rooimans MA, Oostra AB, Balk JA, Feichtinger RG, Beichler C, Speicher MR, van Hagen JM, Waisfisz Q, van Haelst M, Bruijn M, Tavares A, Mayr JA, Wolthuis RMF, Oliveira RA, de Lange J. Biallelic BUB1 mutations cause microcephaly, developmental delay, and variable effects on cohesion and chromosome segregation. Sci Adv 2022; 8:eabk0114. [PMID: 35044816 PMCID: PMC8769543 DOI: 10.1126/sciadv.abk0114] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Budding uninhibited by benzimidazoles (BUB1) contributes to multiple mitotic processes. Here, we describe the first two patients with biallelic BUB1 germline mutations, who both display microcephaly, intellectual disability, and several patient-specific features. The identified mutations cause variable degrees of reduced total protein level and kinase activity, leading to distinct mitotic defects. Both patients’ cells show prolonged mitosis duration, chromosome segregation errors, and an overall functional spindle assembly checkpoint. However, while BUB1 levels mostly affect BUBR1 kinetochore recruitment, impaired kinase activity prohibits centromeric recruitment of Aurora B, SGO1, and TOP2A, correlating with anaphase bridges, aneuploidy, and defective sister chromatid cohesion. We do not observe accelerated cohesion fatigue. We hypothesize that unresolved DNA catenanes increase cohesion strength, with concomitant increase in anaphase bridges. In conclusion, BUB1 mutations cause a neurodevelopmental disorder, with clinical and cellular phenotypes that partially resemble previously described syndromes, including autosomal recessive primary microcephaly, mosaic variegated aneuploidy, and cohesinopathies.
Collapse
Affiliation(s)
- Sara Carvalhal
- Instituto Gulbenkian de Ciência, R. Q.ta Grande 6, 2780-156 Oeiras, Portugal
- Algarve Biomedical Center Research Institute, Universidade do Algarve, 8005-139 Faro, Portugal
- Centre for Biomedical Research, Universidade do Algarve, 8005-139 Faro, Portugal
| | - Ingrid Bader
- Unit of Clinical Genetics, Paracelsus Medical University, Salzburg, Austria
| | - Martin A. Rooimans
- Cancer Center Amsterdam, Amsterdam University Medical Centers, Oncogenetics Section, De Boelelaan 1118, 1081 HV Amsterdam, Netherlands
| | - Anneke B. Oostra
- Cancer Center Amsterdam, Amsterdam University Medical Centers, Oncogenetics Section, De Boelelaan 1118, 1081 HV Amsterdam, Netherlands
| | - Jesper A. Balk
- Cancer Center Amsterdam, Amsterdam University Medical Centers, Oncogenetics Section, De Boelelaan 1118, 1081 HV Amsterdam, Netherlands
| | - René G. Feichtinger
- Department of Pediatrics, University Hospital Salzburg, Paracelsus Medical University, Salzburg, Austria
| | - Christine Beichler
- Institute of Human Genetics, Diagnostic and Research Center for Molecular BioMedicine, Medical University of Graz, Graz, Austria
| | - Michael R. Speicher
- Institute of Human Genetics, Diagnostic and Research Center for Molecular BioMedicine, Medical University of Graz, Graz, Austria
| | - Johanna M. van Hagen
- Department of Clinical Genetics, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1118, 1081 HV Amsterdam, Netherlands
| | - Quinten Waisfisz
- Department of Clinical Genetics, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1118, 1081 HV Amsterdam, Netherlands
| | - Mieke van Haelst
- Department of Clinical Genetics, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1118, 1081 HV Amsterdam, Netherlands
| | - Martijn Bruijn
- Northwest Clinics, Wilhelminalaan 12, 1815 JD Alkmaar, Netherlands
| | - Alexandra Tavares
- Instituto Gulbenkian de Ciência, R. Q.ta Grande 6, 2780-156 Oeiras, Portugal
| | - Johannes A. Mayr
- Department of Pediatrics, University Hospital Salzburg, Paracelsus Medical University, Salzburg, Austria
| | - Rob M. F. Wolthuis
- Cancer Center Amsterdam, Amsterdam University Medical Centers, Oncogenetics Section, De Boelelaan 1118, 1081 HV Amsterdam, Netherlands
| | - Raquel A. Oliveira
- Instituto Gulbenkian de Ciência, R. Q.ta Grande 6, 2780-156 Oeiras, Portugal
- Corresponding author. (R.A.O.); (J.d.L.)
| | - Job de Lange
- Cancer Center Amsterdam, Amsterdam University Medical Centers, Oncogenetics Section, De Boelelaan 1118, 1081 HV Amsterdam, Netherlands
- Corresponding author. (R.A.O.); (J.d.L.)
| |
Collapse
|
4
|
Isidor B, Ebstein F, Hurst A, Vincent M, Bader I, Rudy NL, Cogne B, Mayr J, Brehm A, Bupp C, Warren K, Bacino CA, Gerard A, Ranells JD, Metcalfe KA, van Bever Y, Jiang YH, Mendelssohn BA, Cope H, Rosenfeld JA, Blackburn PR, Goodenberger ML, Kearney HM, Kennedy J, Scurr I, Szczaluba K, Ploski R, de Saint Martin A, Alembik Y, Piton A, Bruel AL, Thauvin-Robinet C, Strong A, Diderich KEM, Bourgeois D, Dahan K, Vignard V, Bonneau D, Colin E, Barth M, Camby C, Baujat G, Briceño I, Gómez A, Deb W, Conrad S, Besnard T, Bézieau S, Krüger E, Küry S, Stankiewicz P. Stankiewicz-Isidor syndrome: expanding the clinical and molecular phenotype. Genet Med 2021; 24:179-191. [PMID: 34906456 DOI: 10.1016/j.gim.2021.09.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 06/23/2021] [Accepted: 09/10/2021] [Indexed: 12/20/2022] Open
Abstract
PURPOSE Haploinsufficiency of PSMD12 has been reported in individuals with neurodevelopmental phenotypes, including developmental delay/intellectual disability (DD/ID), facial dysmorphism, and congenital malformations, defined as Stankiewicz-Isidor syndrome (STISS). Investigations showed that pathogenic variants in PSMD12 perturb intracellular protein homeostasis. Our objective was to further explore the clinical and molecular phenotypic spectrum of STISS. METHODS We report 24 additional unrelated patients with STISS with various truncating single nucleotide variants or copy-number variant deletions involving PSMD12. We explore disease etiology by assessing patient cells and CRISPR/Cas9-engineered cell clones for various cellular pathways and inflammatory status. RESULTS The expressivity of most clinical features in STISS is highly variable. In addition to previously reported DD/ID, speech delay, cardiac and renal anomalies, we also confirmed preaxial hand abnormalities as a feature of this syndrome. Of note, 2 patients also showed chilblains resembling signs observed in interferonopathy. Remarkably, our data show that STISS patient cells exhibit a profound remodeling of the mTORC1 and mitophagy pathways with an induction of type I interferon-stimulated genes. CONCLUSION We refine the phenotype of STISS and show that it can be clinically recognizable and biochemically diagnosed by a type I interferon gene signature.
Collapse
Affiliation(s)
- Bertrand Isidor
- Service de Génétique Médicale, CHU Nantes, Nantes, France; Université de Nantes, CNRS, INSERM, L'institut du Thorax, Nantes, France.
| | - Frédéric Ebstein
- Institut für Medizinische Biochemie und Molekularbiologie, Universitätsmedizin Greifswald, Greifswald, Germany
| | - Anna Hurst
- Department of Genetics, University of Alabama at Birmingham, Birmingham, AL
| | - Marie Vincent
- Service de Génétique Médicale, CHU Nantes, Nantes, France
| | - Ingrid Bader
- Department of Clinical Genetics, University Children's Hospital, Paracelsus Medical University, Salzburg, Austria
| | - Natasha L Rudy
- Department of Genetics, University of Alabama at Birmingham, Birmingham, AL
| | - Benjamin Cogne
- Service de Génétique Médicale, CHU Nantes, Nantes, France; Université de Nantes, CNRS, INSERM, L'institut du Thorax, Nantes, France
| | - Johannes Mayr
- Department of Clinical Genetics, University Children's Hospital, Paracelsus Medical University, Salzburg, Austria
| | - Anja Brehm
- Octapharma Biopharmaceuticals GmbH, Berlin, Germany
| | - Caleb Bupp
- Spectrum Health Helen DeVos Children's Hospital, Grand Rapids, MI
| | | | - Carlos A Bacino
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX
| | - Amanda Gerard
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX; Texas Children's Hospital, Houston, TX
| | - Judith D Ranells
- Department of Pediatrics, University of South Florida, Tampa, FL
| | - Kay A Metcalfe
- Manchester Centre for Genomic Medicine, Manchester University NHS Foundation Trust and Institute of Human Development, University of Manchester, Manchester, United Kingdom
| | - Yolande van Bever
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Yong-Hui Jiang
- Department of Genetics, Yale School of Medicine, New Haven, CT; Department of Neurobiology, Duke University School of Medicine, Durham, NC; Department of Pediatrics, Duke University School of Medicine, Durham, NC
| | - Bryce A Mendelssohn
- Division of Medical Genetics, Department of Pediatrics, University of California, San Francisco, CA
| | - Heidi Cope
- Department of Pediatrics, Duke University School of Medicine, Durham, NC
| | - Jill A Rosenfeld
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX; Baylor Genetics Laboratories, Houston, TX
| | - Patrick R Blackburn
- Division of Laboratory Genetics and Genomics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - McKinsey L Goodenberger
- Division of Laboratory Genetics and Genomics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Hutton M Kearney
- Division of Laboratory Genetics and Genomics, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Joanna Kennedy
- Clinical Genetics, University Hospitals Bristol, Bristol, United Kingdom; University of Bristol, Bristol, United Kingdom
| | - Ingrid Scurr
- Clinical Genetics, University Hospitals Bristol, Bristol, United Kingdom; University of Bristol, Bristol, United Kingdom
| | - Krzysztof Szczaluba
- Department of Medical Genetics, Medical University of Warsaw, Warsaw, Poland
| | - Rafal Ploski
- Department of Medical Genetics, Medical University of Warsaw, Warsaw, Poland
| | - Anne de Saint Martin
- Pediatric Neurology Unit, Department of Pediatrics, University Hospital Strasbourg, Strasbourg, France
| | - Yves Alembik
- Department of Clinical Genetic, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
| | - Amélie Piton
- Unité de Génétique Moléculaire Strasbourg University Hospital, 1 place de l'Hôpital, Strasbourg Cedex, France
| | - Ange-Line Bruel
- FHU TRANSLAD, Centre Hospitalier Universitaire Dijon-Bourgogne et Université de Bourgogne-Franche Comté, Dijon, France; Génétique des Anomalies du Développement, Inserm UMR 1231, Université de Bourgogne, Dijon, France; Centre de Génétique et Centre de Référence Déficience Intellectuelle de causes rares, Hôpital d'Enfants, Centre Hospitalier Universitaire Dijon-Bourgogne, Dijon, France
| | - Christel Thauvin-Robinet
- UF Innovation en diagnostic génomique des maladies rares, CHU Dijon-Bourgogne, Dijon, France; INSERM UMR1231 GAD, Dijon, France
| | - Alanna Strong
- Division of Human Genetics, Children's Hospital of Philadelphia, Philadelphia, PA; The Center for Applied Genomics, Children's Hospital of Philadelphia, Philadelphia, PA
| | | | | | - Karin Dahan
- Laboratoire National de Santé, Dudelange, Luxembourg
| | - Virginie Vignard
- Université de Nantes, CNRS, INSERM, L'institut du Thorax, Nantes, France
| | | | - Estelle Colin
- Service de Génétique médicale, CHU d'Angers, Angers, France
| | - Magalie Barth
- Pediatric Surgery Department, Hôpital Mère-Enfant, F44093 Nantes, France
| | - Caroline Camby
- Pediatric Surgery Department, Hôpital Mère-Enfant, F44093 Nantes, France
| | - Geneviève Baujat
- Department of Medical Genetics, Necker Enfants Malades Hospital, AP-HP, Paris, France; INSERM U1163, Imagine Institute, Paris Descartes University, Paris, France
| | - Ignacio Briceño
- Grupo Genética Humana, Facultad de Medicina, Universidad de La Sabana, Chía, Colombia
| | - Alberto Gómez
- Instituto de Genética Humana, Facultad de Medicina, Pontificia Universidad Javeriana, Bogotá, DC, Colombia
| | - Wallid Deb
- Service de Génétique Médicale, CHU Nantes, Nantes, France; Université de Nantes, CNRS, INSERM, L'institut du Thorax, Nantes, France
| | - Solène Conrad
- Service de Génétique Médicale, CHU Nantes, Nantes, France
| | - Thomas Besnard
- Service de Génétique Médicale, CHU Nantes, Nantes, France; Université de Nantes, CNRS, INSERM, L'institut du Thorax, Nantes, France
| | - Stéphane Bézieau
- Service de Génétique Médicale, CHU Nantes, Nantes, France; Université de Nantes, CNRS, INSERM, L'institut du Thorax, Nantes, France
| | - Elke Krüger
- Institut für Medizinische Biochemie und Molekularbiologie, Universitätsmedizin Greifswald, Greifswald, Germany
| | - Sébastien Küry
- Service de Génétique Médicale, CHU Nantes, Nantes, France; Université de Nantes, CNRS, INSERM, L'institut du Thorax, Nantes, France
| | - PaweƗ Stankiewicz
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX
| |
Collapse
|
5
|
Dagan M, Lankaputhra M, Yeung T, Tee S, Bader I, Easton K, Linton A, McLean C, Taylor A, Bergin P, Kaye D, Leet A, Hare J, Patel H. Incidence and predictors of eosinophilic myocardial hypersensitivity in patients receiving home dobutamine. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.0751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Home inotropes are utilised in those with end-stage heart failure as a bridge to cardiac transplantation. The use of intravenous dobutamine has been linked to cases of eosinophilic myocardial hypersensitivity (EMH), however, little is known about incidence and predictors.
Purpose
We sought to examine the incidence and possible predictors of eosinophilic myocardial hypersensitivity in a cohort of patients on home inotrope therapy at a cardiac transplant centre.
Methods
Patients enrolled in the home inotrope program with progression to heart transplantation or ventricular assist device (VAD) with available myocardial tissue for histopathology, from January 2000 to May 2020 were included. EMH was defined by a pathologist reporting eosinophilic infiltrate with hypersensitivity on myocardial histopathology.
Results
From a cohort of 74 patients, 58% (43) were on dobutamine and 42% (31) were on milrinone. There were zero cases of EMH in those on milrinone. EMH was identified in 14% (6/43) of patients receiving dobutamine. In the dobutamine cohort, the mean age was 52-±12 years, with 22% being female. Non-ischaemic dilated cardiomyopathy encompassed 62%, the remaining 38% were ischaemic cardiomyopathy. Median dobutamine dose (250 [200–282] mcg/min vs. 225 [200–291] mcg/min) and duration of therapy (41 [23–79] days vs. 53 [24–91] days) were similar between those with and without EMH. Rates of known allergy (27% vs. 33%) and asthma (1 patient in each group) were also similar between those with and without EMH. Those with EMH had a median peak eosinophil count of 0.40×109/L (IQR 0.21–0.66×109/L) compared to a peak of only 0.10×109/L (IQR 0.06–0.29×109/L) in the non-EMH cohort. There was a significant difference in the change in absolute eosinophil count between groups; over the duration of dobutamine therapy the median change in eosinophil count was 0.31×109/L (IQR 0.21–0.59×109/L) in the EMH group compared to 0.03×109/L (IQR 0.00–0.14×109/L) in the non-EMH cohort (p=0.02). Peak C-reactive protein was similar between groups (42±46mg/L vs. 44±45mg/L). Mean left ventricular ejection fraction (LVEF) reduced from 19% (±7%) to 17% (±2%) in those with EMH, while LVEF increased from 20% (±7%) to 22% (±9%) in non-EMH patients (Figure 1), p=NS. Re-presentation with heart failure requiring hospitalisation occurred in 83% in the EMH group compared to only 59% in the non-EMH group (p=0.26). The majority of patients with EMH (83%) required VAD as bridge to transplant, compared to only 41% of non-EMH (p=0.05).
Conclusion(s)
EMH occurred in 14% of patients receiving home dobutamine. Patients who developed EMH were more likely to require escalation in treatment to VAD as a bridge to heart transplant. In patients receiving dobutamine a reduction in LVEF, hospitalisation with decompensated heart failure and rising eosinophil count should prompt physicians to consider EMH.
Funding Acknowledgement
Type of funding sources: None. Figure 1
Collapse
Affiliation(s)
- M Dagan
- The Alfred Hospital, Melbourne, Australia
| | | | - T Yeung
- The Alfred Hospital, Melbourne, Australia
| | - S.L Tee
- The Alfred Hospital, Melbourne, Australia
| | - I Bader
- The Alfred Hospital, Melbourne, Australia
| | - K Easton
- The Alfred Hospital, Melbourne, Australia
| | - A Linton
- The Alfred Hospital, Melbourne, Australia
| | - C McLean
- The Alfred Hospital, Melbourne, Australia
| | - A Taylor
- The Alfred Hospital, Melbourne, Australia
| | - P Bergin
- The Alfred Hospital, Melbourne, Australia
| | - D.M Kaye
- The Alfred Hospital, Melbourne, Australia
| | - A Leet
- The Alfred Hospital, Melbourne, Australia
| | - J Hare
- The Alfred Hospital, Melbourne, Australia
| | - H Patel
- The Alfred Hospital, Melbourne, Australia
| |
Collapse
|
6
|
Roesch S, Bernardinelli E, Wortmann S, Mayr JA, Bader I, Schweighofer-Zwink G, Rasp G, Dossena S. [Molecular and functional testing in case of hereditary hearing loss associated with the SLC26A4 gene]. Laryngorhinootologie 2020; 99:853-862. [PMID: 33307573 DOI: 10.1055/a-1190-4173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Due to development of molecular techniques at hand, the number of genomic sequence variants detected in patient investigations is rising constantly. The number of potentially involved genes in hereditary hearing loss is rising simultaneously.In this overview, current methods for diagnostic workup on a molecular and functional level for variants of the SLC26A4 gene are described. Based on the description of the physiological function of the resulting protein Pendrin, molecular investigations for interpretation of the function are explained. Based on these investigations, the potential clinical consequences of a variant may be predicted more precisely and simplify routine reporting of a proven genotype and a phenotype, at hand. Finally, subsequent clinical investigations necessary, such as perchlorate discharge test, as well as therapeutic options are discussed.
Collapse
Affiliation(s)
- Sebastian Roesch
- Universitätsklinik für Hals-Nasen-Ohrenkrankheiten der Paracelsus Medizinischen Privatuniversität Salzburg, SALK, Salzburg, Austria
| | - Emanuele Bernardinelli
- Universitätsinstitut für Pharmakologie und Toxikologie der Paracelsus Medizinischen Privatuniversität Salzburg, Austria
| | - Saskia Wortmann
- Universitätsklinik für Kinder- und Jugendheilkunde der Paracelsus Medizinischen Privatuniversität Salzburg, SALK, Salzburg, Austria
| | - Johannes A Mayr
- Universitätsklinik für Kinder- und Jugendheilkunde der Paracelsus Medizinischen Privatuniversität Salzburg, SALK, Salzburg, Austria
| | - Ingrid Bader
- Division für klinische Genetik, Universitätsklinik für Kinder- und Jugendheilkunde der Paracelsus Medizinischen Privatuniversität Salzburg, SALK, Salzburg, Austria
| | - Gregor Schweighofer-Zwink
- Universitätsklinik für Nuklearmedizin und Endokrinologie der Paracelsus Medizinischen Privatuniversität Salzburg, SALK, Salzburg, Austria
| | - Gerd Rasp
- Universitätsklinik für Hals-Nasen-Ohrenkrankheiten der Paracelsus Medizinischen Privatuniversität Salzburg, SALK, Salzburg, Austria
| | - Silvia Dossena
- Universitätsinstitut für Pharmakologie und Toxikologie der Paracelsus Medizinischen Privatuniversität Salzburg, Austria
| |
Collapse
|
7
|
Brunet T, McWalter K, Mayerhanser K, Anbouba GM, Armstrong-Javors A, Bader I, Baugh E, Begtrup A, Bupp CP, Callewaert BL, Cereda A, Cousin MA, Del Rey Jimenez JC, Demmer L, Dsouza NR, Fleischer N, Gavrilova RH, Ghate S, Graf E, Green A, Green SR, Iascone M, Kdissa A, Klee D, Klee EW, Lancaster E, Lindstrom K, Mayr JA, McEntagart M, Meeks NJL, Mittag D, Moore H, Olsen AK, Ortiz D, Parsons G, Pena LDM, Person RE, Punj S, Ramos-Rivera GA, Sacoto MJG, Bradley Schaefer G, Schnur RE, Scott TM, Scott DA, Serbinski CR, Shashi V, Siu VM, Stadheim BF, Sullivan JA, Švantnerová J, Velsher L, Wargowski DS, Wentzensen IM, Wieczorek D, Winkelmann J, Yap P, Zech M, Zimmermann MT, Meitinger T, Distelmaier F, Wagner M. Defining the genotypic and phenotypic spectrum of X-linked MSL3-related disorder. Genet Med 2020; 23:384-395. [PMID: 33173220 PMCID: PMC7862064 DOI: 10.1038/s41436-020-00993-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 09/23/2020] [Indexed: 12/01/2022] Open
Abstract
Purpose We sought to delineate the genotypic and phenotypic spectrum of female and male individuals with X-linked, MSL3-related disorder (Basilicata–Akhtar syndrome). Methods Twenty-five individuals (15 males, 10 females) with causative variants in MSL3 were ascertained through exome or genome sequencing at ten different sequencing centers. Results We identified multiple variant types in MSL3 (ten nonsense, six frameshift, four splice site, three missense, one in-frame-deletion, one multi-exon deletion), most proven to be de novo, and clustering in the terminal eight exons suggesting that truncating variants in the first five exons might be compensated by an alternative MSL3 transcript. Three-dimensional modeling of missense and splice variants indicated that these have a deleterious effect. The main clinical findings comprised developmental delay and intellectual disability ranging from mild to severe. Autism spectrum disorder, muscle tone abnormalities, and macrocephaly were common as well as hearing impairment and gastrointestinal problems. Hypoplasia of the cerebellar vermis emerged as a consistent magnetic resonance image (MRI) finding. Females and males were equally affected. Using facial analysis technology, a recognizable facial gestalt was determined. Conclusion Our aggregated data illustrate the genotypic and phenotypic spectrum of X-linked, MSL3-related disorder (Basilicata–Akhtar syndrome). Our cohort improves the understanding of disease related morbidity and allows us to propose detailed surveillance guidelines for affected individuals.
Collapse
Affiliation(s)
- Theresa Brunet
- Institute of Human Genetics, Technical University Munich, Munich, Germany.
| | | | | | - Grace M Anbouba
- Division of Genetics and Metabolism, Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Amy Armstrong-Javors
- Department of Pediatric Neurology, Massachusetts General Hospital, Boston, MA, USA
| | - Ingrid Bader
- Department of Clinical Genetics, University Children's Hospital, Paracelsus Medical University, Salzburg, Austria
| | - Evan Baugh
- Institute for Genomic Medicine, Columbia University, New York, NY, USA
| | | | - Caleb P Bupp
- Medical Genetics, Spectrum Health and Helen DeVos Children's Hospital, Grand Rapids, MI, USA.,Department of Pediatrics and Human Development, College of Human Medicine, Michigan State University, Grand Rapids, MI, USA
| | - Bert L Callewaert
- Center for Medical Genetics, Ghent University Hospital, Ghent, Belgium.,Department of Biomolecular Medicine, Ghent University, Ghent, Belgium
| | - Anna Cereda
- Department of Pediatrics, ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Margot A Cousin
- Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA.,Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA
| | | | - Laurie Demmer
- Medical Genetics, Atrium Health Levine Children's Hospital, Charlotte, NC, USA
| | - Nikita R Dsouza
- Bioinformatics Research and Development Laboratory, Genomics Sciences and Precision Medicine Center, Medical College of Wisconsin, Milwaukee, WI, USA
| | | | - Ralitza H Gavrilova
- Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA.,Department of Clinical Genomics, Mayo Clinic, Rochester, MN, USA.,Department of Neurology, Mayo Clinic, Rochester, MN, USA
| | - Sumedha Ghate
- St Vincent Hospital Medical Genetics Clinic, Green Bay, WI, USA
| | - Elisabeth Graf
- Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Andrew Green
- Department of Clinical Genetics, Children's Health Ireland at Crumlin, Dublin, Ireland
| | - Sarah R Green
- University of Arkansas for Medical Sciences, Arkansas Children's Hospital, Springdale, AR, USA
| | - Maria Iascone
- Laboratorio di Genetica Medica, ASST Papa Giovanni XXIII, Bergamo, Italy
| | | | - Dirk Klee
- Department of Diagnostic and Interventional Radiology, Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany
| | - Eric W Klee
- Center for Individualized Medicine, Mayo Clinic, Rochester, MN, USA.,Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA.,Department of Clinical Genomics, Mayo Clinic, Rochester, MN, USA
| | - Emily Lancaster
- UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Kristin Lindstrom
- Division of Genetics and Metabolism, Phoenix Children's Hospital, Phoenix, AZ, USA
| | - Johannes A Mayr
- Department of Pediatrics, Salzburger Landeskliniken and Paracelsus Medical University, Salzburg, Austria
| | - Meriel McEntagart
- Medical Genetics, St George's University Hospitals NHS FT, London, UK
| | - Naomi J L Meeks
- Department of Pediatrics, Section of Genetics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Dana Mittag
- Medical Genetics, Atrium Health Levine Children's Hospital, Charlotte, NC, USA
| | - Harrison Moore
- INTEGRIS Pediatric Specialties/Medical Genetics, Oklahoma City, OK, USA
| | - Anne K Olsen
- Department of Pediatric, Soerlandet Sykehus Kristiansand, Kristiansand, Norway
| | - Damara Ortiz
- UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Gretchen Parsons
- Medical Genetics, Spectrum Health and Helen DeVos Children's Hospital, Grand Rapids, MI, USA
| | - Loren D M Pena
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | | | | | | | | | - G Bradley Schaefer
- University of Arkansas for Medical Sciences, Arkansas Children's Hospital, Springdale, AR, USA
| | | | - Tiana M Scott
- Texas Children's Hospital, Houston, TX, USA.,Department of Microbiology and Molecular Biology, College of Life Sciences, Brigham Young University, Provo, UT, USA
| | - Daryl A Scott
- Texas Children's Hospital, Houston, TX, USA.,Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA.,Department of Molecular Physiology and Biophysics, Baylor College of Medicine, Houston, TX, USA
| | - Carolyn R Serbinski
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Vandana Shashi
- Department of Pediatrics, Division of Medical Genetics, Duke University Medical Center, Durham, NC, USA
| | - Victoria M Siu
- Department of Pediatrics, Western University, London, ON, Canada
| | | | - Jennifer A Sullivan
- Department of Pediatrics, Division of Medical Genetics, Duke University Medical Center, Durham, NC, USA
| | - Jana Švantnerová
- Second Department of Neurology, Faculty of Medicine, Comenius University, University Hospital Bratislava, Bratislava, Slovakia
| | - Lea Velsher
- Genetics Program, North York General Hospital, Toronto, ON, Canada
| | - David S Wargowski
- Division of Genetics and Metabolism, Department of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA.,St Vincent Hospital Medical Genetics Clinic, Green Bay, WI, USA
| | | | - Dagmar Wieczorek
- Institute of Human Genetics, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany
| | - Juliane Winkelmann
- Institute of Human Genetics, Technical University Munich, Munich, Germany.,Institute of Neurogenomics, Helmholtz Zentrum München, Neuherberg, Germany.,Munich Cluster for Systems Neurology (SyNergy), Munich, Germany.,Neurogenetics, Technische Universität München, Munich, Germany
| | - Patrick Yap
- Genetic Health Service New Zealand (Northern Hub), Auckland, New Zealand.,Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Michael Zech
- Institute of Human Genetics, Technical University Munich, Munich, Germany.,Institute of Neurogenomics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Michael T Zimmermann
- Bioinformatics Research and Development Laboratory, Genomics Sciences and Precision Medicine Center, Medical College of Wisconsin, Milwaukee, WI, USA.,Clinical and Translational Sciences Institute, Medical College of Wisconsin, Milwaukee, WI, USA.,Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Thomas Meitinger
- Institute of Human Genetics, Technical University Munich, Munich, Germany
| | - Felix Distelmaier
- Department of General Pediatrics, Neonatology and Pediatric Cardiology, Heinrich-Heine-University, Düsseldorf, Germany
| | - Matias Wagner
- Institute of Human Genetics, Technical University Munich, Munich, Germany.,Institute of Neurogenomics, Helmholtz Zentrum München, Neuherberg, Germany
| |
Collapse
|
8
|
Schröder S, Li Y, Yigit G, Altmüller J, Bader I, Bevot A, Biskup S, Dreha-Kulaczewski S, Christoph Korenke G, Kottke R, Mayr JA, Preisel M, Toelle SP, Wente-Schulz S, Wortmann SB, Hahn H, Boltshauser E, Uhmann A, Wollnik B, Brockmann K. Heterozygous truncating variants in SUFU cause congenital ocular motor apraxia. Genet Med 2020; 23:341-351. [PMID: 33024317 PMCID: PMC7862056 DOI: 10.1038/s41436-020-00979-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 09/11/2020] [Accepted: 09/17/2020] [Indexed: 12/13/2022] Open
Abstract
Purpose This study aimed to delineate the genetic basis of congenital ocular motor apraxia (COMA) in patients not otherwise classifiable. Methods We compiled clinical and neuroimaging data of individuals from six unrelated families with distinct clinical features of COMA who do not share common diagnostic characteristics of Joubert syndrome or other known genetic conditions associated with COMA. We used exome sequencing to identify pathogenic variants and functional studies in patient-derived fibroblasts. Results In 15 individuals, we detected familial as well as de novo heterozygous truncating causative variants in the Suppressor of Fused (SUFU) gene, a negative regulator of the Hedgehog (HH) signaling pathway. Functional studies showed no differences in cilia occurrence, morphology, or localization of ciliary proteins, such as smoothened. However, analysis of expression of HH signaling target genes detected a significant increase in the general signaling activity in COMA patient–derived fibroblasts compared with control cells. We observed higher basal HH signaling activity resulting in increased basal expression levels of GLI1, GLI2, GLI3, and Patched1. Neuroimaging revealed subtle cerebellar changes, but no full-blown molar tooth sign. Conclusion Taken together, our data imply that the clinical phenotype associated with heterozygous truncating germline variants in SUFU is a forme fruste of Joubert syndrome.
Collapse
Affiliation(s)
- Simone Schröder
- Interdisciplinary Pediatric Center for Children with Developmental Disabilities and Severe Chronic Disorders, Department of Pediatrics and Adolescent Medicine, University Medical Center, Göttingen, Germany
| | - Yun Li
- Institute of Human Genetics, University Medical Center, Göttingen, Germany
| | - Gökhan Yigit
- Institute of Human Genetics, University Medical Center, Göttingen, Germany
| | - Janine Altmüller
- Cologne Center for Genomics, Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Ingrid Bader
- Department of Clinical Genetics, University Children's Hospital, Paracelsus Medical University, Salzburg, Austria
| | - Andrea Bevot
- Department of Pediatric Neurology, University Hospital Tübingen, Tübingen, Germany
| | | | - Steffi Dreha-Kulaczewski
- Interdisciplinary Pediatric Center for Children with Developmental Disabilities and Severe Chronic Disorders, Department of Pediatrics and Adolescent Medicine, University Medical Center, Göttingen, Germany
| | - G Christoph Korenke
- Department of Pediatric Neurology, University Hospital Oldenburg, Oldenburg, Germany
| | - Raimund Kottke
- Department of Diagnostic Imaging, University Children's Hospital, Zurich, Switzerland
| | - Johannes A Mayr
- Department of Pediatrics, University Hospital Salzburg, Paracelsus Medical University, Salzburg, Austria
| | - Martin Preisel
- Department of Pediatrics, University Hospital Salzburg, Paracelsus Medical University, Salzburg, Austria
| | - Sandra P Toelle
- Department of Pediatric Neurology, University Children's Hospital, Zurich, Switzerland
| | - Sarah Wente-Schulz
- Department of Pediatric Kidney, Liver and Metabolic Diseases, Hannover Medical School Children's Hospital, Hannover, Germany
| | - Saskia B Wortmann
- Department of Pediatrics, University Hospital Salzburg, Paracelsus Medical University, Salzburg, Austria.,Radboud Center for Mitochondrial Medicine, Department of Pediatrics, Amalia Children's Hospital, Radboudumc, Nijmegen, The Netherlands
| | - Heidi Hahn
- Institute of Human Genetics, University Medical Center, Göttingen, Germany
| | - Eugen Boltshauser
- Department of Pediatric Neurology, University Children's Hospital, Zurich, Switzerland
| | - Anja Uhmann
- Institute of Human Genetics, University Medical Center, Göttingen, Germany
| | - Bernd Wollnik
- Institute of Human Genetics, University Medical Center, Göttingen, Germany.,Cluster of Excellence "Multiscale Bioimaging: from Molecular Machines to Networks of Excitable Cells" (MBExC), University of Göttingen, Göttingen, Germany
| | - Knut Brockmann
- Interdisciplinary Pediatric Center for Children with Developmental Disabilities and Severe Chronic Disorders, Department of Pediatrics and Adolescent Medicine, University Medical Center, Göttingen, Germany.
| |
Collapse
|
9
|
Bader I, McTiernan N, Darbakk C, Boltshauser E, Ree R, Ebner S, Mayr JA, Arnesen T. Severe syndromic ID and skewed X-inactivation in a girl with NAA10 dysfunction and a novel heterozygous de novo NAA10 p.(His16Pro) variant - a case report. BMC Med Genet 2020; 21:153. [PMID: 32698785 PMCID: PMC7374887 DOI: 10.1186/s12881-020-01091-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 07/12/2020] [Indexed: 01/20/2023]
Abstract
Background NAA10 is the catalytic subunit of the major N-terminal acetyltransferase complex NatA which acetylates almost half the human proteome. Over the past decade, many NAA10 missense variants have been reported as causative of genetic disease in humans. Individuals harboring NAA10 variants often display variable degrees of intellectual disability (ID), developmental delay, and cardiac anomalies. Initially, carrier females appeared to be oligo- or asymptomatic with X-inactivation pattern skewed towards the wild type allele. However, recently it has been shown that NAA10 variants can cause syndromic or non-syndromic intellectual disability in females as well. The impact of specific NAA10 variants and the X-inactivation pattern on the individual phenotype in females remains to be elucidated. Case presentation Here we present a novel de novo NAA10 (NM_003491.3) c.[47A > C];[=] (p.[His16Pro];[=]) variant identified in a young female. The 10-year-old girl has severely delayed motor and language development, disturbed behavior with hyperactivity and restlessness, moderate dilatation of the ventricular system and extracerebral CSF spaces. Her blood leukocyte X-inactivation pattern was skewed (95/5) towards the maternally inherited X-chromosome. Our functional study indicates that NAA10 p.(H16P) impairs NatA complex formation and NatA catalytic activity, while monomeric NAA10 catalytic activity appears to be intact. Furthermore, cycloheximide experiments show that the NAA10 H16P variant does not affect the cellular stability of NAA10. Discussion and conclusions We demonstrate that NAA10 p.(His16Pro) causes a severe form of syndromic ID in a girl most likely through impaired NatA-mediated Nt-acetylation of cellular proteins. X-inactivation analyses showed a skewed X-inactivation pattern in DNA from blood of the patient with the maternally inherited allele being preferentially methylated/inactivated.
Collapse
Affiliation(s)
- Ingrid Bader
- Einheit für Klinische Genetik, Universitätsklinik für Kinder- und Jugendheilkunde, Paracelsus Medizinische Universität, Müllner Hauptstraße 48, A-5020, Salzburg, Austria.
| | - Nina McTiernan
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | | | | | - Rasmus Ree
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Sabine Ebner
- Einheit für Klinische Genetik, Universitätsklinik für Kinder- und Jugendheilkunde, Paracelsus Medizinische Universität, Müllner Hauptstraße 48, A-5020, Salzburg, Austria
| | - Johannes A Mayr
- Children's Hospital, Paracelsus Medical University, Salzburg, Austria
| | - Thomas Arnesen
- Department of Biomedicine, University of Bergen, Bergen, Norway.,Department of Biological Sciences, University of Bergen, Bergen, Norway.,Department of Surgery, Haukeland University Hospital, Bergen, Norway
| |
Collapse
|
10
|
Hu H, Kahrizi K, Musante L, Fattahi Z, Herwig R, Hosseini M, Oppitz C, Abedini SS, Suckow V, Larti F, Beheshtian M, Lipkowitz B, Akhtarkhavari T, Mehvari S, Otto S, Mohseni M, Arzhangi S, Jamali P, Mojahedi F, Taghdiri M, Papari E, Soltani Banavandi MJ, Akbari S, Tonekaboni SH, Dehghani H, Ebrahimpour MR, Bader I, Davarnia B, Cohen M, Khodaei H, Albrecht B, Azimi S, Zirn B, Bastami M, Wieczorek D, Bahrami G, Keleman K, Vahid LN, Tzschach A, Gärtner J, Gillessen-Kaesbach G, Varaghchi JR, Timmermann B, Pourfatemi F, Jankhah A, Chen W, Nikuei P, Kalscheuer VM, Oladnabi M, Wienker TF, Ropers HH, Najmabadi H. Genetics of intellectual disability in consanguineous families. Mol Psychiatry 2019; 24:1027-1039. [PMID: 29302074 DOI: 10.1038/s41380-017-0012-2] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 10/19/2017] [Accepted: 10/30/2017] [Indexed: 01/17/2023]
Abstract
Autosomal recessive (AR) gene defects are the leading genetic cause of intellectual disability (ID) in countries with frequent parental consanguinity, which account for about 1/7th of the world population. Yet, compared to autosomal dominant de novo mutations, which are the predominant cause of ID in Western countries, the identification of AR-ID genes has lagged behind. Here, we report on whole exome and whole genome sequencing in 404 consanguineous predominantly Iranian families with two or more affected offspring. In 219 of these, we found likely causative variants, involving 77 known and 77 novel AR-ID (candidate) genes, 21 X-linked genes, as well as 9 genes previously implicated in diseases other than ID. This study, the largest of its kind published to date, illustrates that high-throughput DNA sequencing in consanguineous families is a superior strategy for elucidating the thousands of hitherto unknown gene defects underlying AR-ID, and it sheds light on their prevalence.
Collapse
Affiliation(s)
- Hao Hu
- Max-Planck-Institute for Molecular Genetics, 14195, Berlin, Germany.,Guangzhou Women and Children's Medical Center, 510623, Guangzhou, China
| | - Kimia Kahrizi
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Luciana Musante
- Max-Planck-Institute for Molecular Genetics, 14195, Berlin, Germany
| | - Zohreh Fattahi
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Ralf Herwig
- Max-Planck-Institute for Molecular Genetics, 14195, Berlin, Germany
| | - Masoumeh Hosseini
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Cornelia Oppitz
- IMP-Research Institute of Molecular Pathology, 1030, Vienna, Austria
| | - Seyedeh Sedigheh Abedini
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Vanessa Suckow
- Max-Planck-Institute for Molecular Genetics, 14195, Berlin, Germany
| | - Farzaneh Larti
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Maryam Beheshtian
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | | | - Tara Akhtarkhavari
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Sepideh Mehvari
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Sabine Otto
- Max-Planck-Institute for Molecular Genetics, 14195, Berlin, Germany
| | - Marzieh Mohseni
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Sanaz Arzhangi
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Payman Jamali
- Shahrood Genetic Counseling Center, Welfare Office, Semnan, 36156, Iran
| | - Faezeh Mojahedi
- Mashhad Medical Genetic Counseling Center, Mashhad, 91767, Iran
| | - Maryam Taghdiri
- Shiraz Genetic Counseling Center, Welfare Office, Shiraz, Iran
| | - Elaheh Papari
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | | | - Saeide Akbari
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Seyed Hassan Tonekaboni
- Pediatric Neurology Research Center, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences, Tehran, 15468, Iran
| | - Hossein Dehghani
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Mohammad Reza Ebrahimpour
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Ingrid Bader
- Kinderzentrum München, Technische Universität München, 81377, München, Germany
| | - Behzad Davarnia
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Monika Cohen
- Children's Center Munich, 81377, Munich, Germany
| | - Hossein Khodaei
- Meybod Genetics Research Center, Welfare Organization, Yazd, 89651, Iran
| | - Beate Albrecht
- Institute of Human Genetics, University Hospital Essen, 45122, Essen, Germany
| | - Sarah Azimi
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Birgit Zirn
- Genetikum Counseling Center, 70173, Stuttgart, Germany
| | - Milad Bastami
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Dagmar Wieczorek
- Institute of Human Genetics and Anthropology, Heinrich Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Gholamreza Bahrami
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Krystyna Keleman
- IMP-Research Institute of Molecular Pathology, 1030, Vienna, Austria.,Howard Hughes Medical Institute, Janelia Research Campus, Ashburn, VA, 20147, USA
| | - Leila Nouri Vahid
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Andreas Tzschach
- Max-Planck-Institute for Molecular Genetics, 14195, Berlin, Germany.,Institute of Clinical Genetics, Technische Universität Dresden, Dresden, Germany
| | - Jutta Gärtner
- University Medical Center, Georg August University Göttingen, 37075, Göttingen, Germany
| | | | | | - Bernd Timmermann
- Max-Planck-Institute for Molecular Genetics, 14195, Berlin, Germany
| | | | - Aria Jankhah
- Shiraz Genetic Counseling Center, Shiraz, 71346, Iran
| | - Wei Chen
- Berlin Institute for Medical Systems Biology, Max Delbrueck Center for Molecular Medicine, 13125, Berlin, Germany
| | - Pooneh Nikuei
- Molecular Medicine Research Center, Hormozgan Health Institute, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | | | - Morteza Oladnabi
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran
| | - Thomas F Wienker
- Max-Planck-Institute for Molecular Genetics, 14195, Berlin, Germany
| | - Hans-Hilger Ropers
- Max-Planck-Institute for Molecular Genetics, 14195, Berlin, Germany. .,Institute of Human Genetics, University Medicine, Mainz, Germany.
| | - Hossein Najmabadi
- Genetics Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, 19857, Iran. .,Kariminejad - Najmabadi Pathology & Genetics Centre, Tehran, 14667-13713, Iran.
| |
Collapse
|
11
|
Snijders Blok L, Rousseau J, Twist J, Ehresmann S, Takaku M, Venselaar H, Rodan LH, Nowak CB, Douglas J, Swoboda KJ, Steeves MA, Sahai I, Stumpel CTRM, Stegmann APA, Wheeler P, Willing M, Fiala E, Kochhar A, Gibson WT, Cohen ASA, Agbahovbe R, Innes AM, Au PYB, Rankin J, Anderson IJ, Skinner SA, Louie RJ, Warren HE, Afenjar A, Keren B, Nava C, Buratti J, Isapof A, Rodriguez D, Lewandowski R, Propst J, van Essen T, Choi M, Lee S, Chae JH, Price S, Schnur RE, Douglas G, Wentzensen IM, Zweier C, Reis A, Bialer MG, Moore C, Koopmans M, Brilstra EH, Monroe GR, van Gassen KLI, van Binsbergen E, Newbury-Ecob R, Bownass L, Bader I, Mayr JA, Wortmann SB, Jakielski KJ, Strand EA, Kloth K, Bierhals T, Roberts JD, Petrovich RM, Machida S, Kurumizaka H, Lelieveld S, Pfundt R, Jansen S, Deriziotis P, Faivre L, Thevenon J, Assoum M, Shriberg L, Kleefstra T, Brunner HG, Wade PA, Fisher SE, Campeau PM. Author Correction: CHD3 helicase domain mutations cause a neurodevelopmental syndrome with macrocephaly and impaired speech and language. Nat Commun 2019; 10:2079. [PMID: 31048695 PMCID: PMC6497626 DOI: 10.1038/s41467-019-10161-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Affiliation(s)
- Lot Snijders Blok
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands.,Language and Genetics Department, Max Planck Institute for Psycholinguistics, Nijmegen, 6500AH, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, 6500HE, The Netherlands
| | - Justine Rousseau
- CHU Sainte-Justine Research Center, Montreal, QC H3T 1C5, Canada
| | - Joanna Twist
- National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - Sophie Ehresmann
- CHU Sainte-Justine Research Center, Montreal, QC H3T 1C5, Canada
| | - Motoki Takaku
- National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - Hanka Venselaar
- Centre for Molecular and Biomolecular Informatics, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands
| | - Lance H Rodan
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA
| | - Catherine B Nowak
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA
| | - Jessica Douglas
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA 02115, USA
| | - Kathryn J Swoboda
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA 02114, USA
| | - Marcie A Steeves
- Department of Medical Genetics, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Inderneel Sahai
- Department of Medical Genetics, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Connie T R M Stumpel
- Department of Clinical Genetics and GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, 6202AZ, The Netherlands
| | - Alexander P A Stegmann
- Department of Clinical Genetics and GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, 6202AZ, The Netherlands
| | | | - Marcia Willing
- Division of Genetics and Genomic Medicine, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Elise Fiala
- Division of Genetics and Genomic Medicine, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO 63110, USA
| | | | - William T Gibson
- British Columbia Children's Hospital Research Institute, Vancouver, BC V5Z 4H4, Canada.,Department of Medical Genetics, University of British Columbia, Vancouver, BC V6H 3N1, Canada
| | - Ana S A Cohen
- British Columbia Children's Hospital Research Institute, Vancouver, BC V5Z 4H4, Canada.,Department of Medical Genetics, University of British Columbia, Vancouver, BC V6H 3N1, Canada
| | - Ruky Agbahovbe
- British Columbia Children's Hospital Research Institute, Vancouver, BC V5Z 4H4, Canada.,Department of Medical Genetics, University of British Columbia, Vancouver, BC V6H 3N1, Canada
| | - A Micheil Innes
- Department of Medical Genetics and Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - P Y Billie Au
- Department of Medical Genetics and Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada
| | - Julia Rankin
- Department of Clinical Genetics, Royal Devon and Exeter NHS Foundation Trust (Heavitree), Exeter, EX2 5DW, UK
| | - Ilse J Anderson
- Division of Genetics, Department of Medicine, University of Tennessee Medical Center, Knoxville, TN 37920, USA
| | | | | | | | - Alexandra Afenjar
- GRC ConCer-LD, Sorbonne Universités, UPMC Univ Paris ; Department of Medical Genetics and Centre de Référence Malformations et maladies congénitales du cervelet et déficiences intellectuelles de causes rares, Armand Trousseau Hospital, GHUEP, AP-HP, Paris, 75012, France
| | - Boris Keren
- AP-HP, Hôpital de la Pitié-Salpêtrière, Département de Génétique, Paris, 75013, France.,Groupe de Recherche Clinique (GRC) 'déficience intellectuelle et autisme' UPMC, Paris, 75005, France
| | - Caroline Nava
- AP-HP, Hôpital de la Pitié-Salpêtrière, Département de Génétique, Paris, 75013, France.,Groupe de Recherche Clinique (GRC) 'déficience intellectuelle et autisme' UPMC, Paris, 75005, France.,INSERM, U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, ICM, Sorbonne Universités, UPMC Univ Paris 06 UMR S 1127, 75013, Paris, France
| | - Julien Buratti
- AP-HP, Hôpital de la Pitié-Salpêtrière, Département de Génétique, Paris, 75013, France
| | - Arnaud Isapof
- GRC ConCer-LD, Sorbonne Universités, UPMC Univ Paris 06; Department Child Neurology and Reference Center for Neuromuscular Diseases "Nord/Est/Ile-de-France", FILNEMUS, Armand Trousseau Hospital, GHUEP, AP-HP, Paris, 75012, France
| | - Diana Rodriguez
- GRC ConCer-LD, Sorbonne Universités, UPMC Univ Paris 06; Department of Child Neurology and National Reference Center for Neurogenetic Disorders, Armand Trousseau Hospital, GHUEP, AP-HP, INSERM U1141, 75012, Paris, France
| | - Raymond Lewandowski
- Clinical Genetics Division, Virginia Commonwealth University Health System, Richmond, VA 23298, USA
| | - Jennifer Propst
- Clinical Genetics Division, Virginia Commonwealth University Health System, Richmond, VA 23298, USA
| | - Ton van Essen
- Clinical Genetics Department, University Medical Center Groningen, Groningen, 9700RB, The Netherlands
| | - Murim Choi
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 08826, Republic of Korea
| | - Sangmoon Lee
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 08826, Republic of Korea
| | - Jong H Chae
- Department of Pediatrics, Seoul National University College of Medicine, Seoul National University Children's Hospital, Seoul, 08826, Republic of Korea
| | - Susan Price
- Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 7HE, UK
| | | | | | | | - Christiane Zweier
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, 91054, Germany
| | - André Reis
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, 91054, Germany
| | - Martin G Bialer
- Northwell Health, Division of Medical Genetics and Genomics, Great Neck, NY 11021, USA
| | - Christine Moore
- Northwell Health, Division of Medical Genetics and Genomics, Great Neck, NY 11021, USA
| | - Marije Koopmans
- Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, 3508AB, The Netherlands
| | - Eva H Brilstra
- Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, 3508AB, The Netherlands
| | - Glen R Monroe
- Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, 3508AB, The Netherlands
| | - Koen L I van Gassen
- Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, 3508AB, The Netherlands
| | - Ellen van Binsbergen
- Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, 3508AB, The Netherlands
| | - Ruth Newbury-Ecob
- University Hospitals Bristol, Department of Clinical Genetics, St Michael's Hospital, Bristol, BS2 8EG, UK
| | - Lucy Bownass
- University Hospitals Bristol, Department of Clinical Genetics, St Michael's Hospital, Bristol, BS2 8EG, UK
| | - Ingrid Bader
- Department of Clinical Genetics, University Children's Hospital, Paracelsus Medical University, Salzburg, A-5020, Austria
| | - Johannes A Mayr
- Department of Pediatrics, Salzburger Landeskliniken and Paracelsus Medical University, Salzburg, A-5020, Austria
| | - Saskia B Wortmann
- Department of Pediatrics, Salzburger Landeskliniken and Paracelsus Medical University, Salzburg, A-5020, Austria.,Institute of Human Genetics, Technische Universität München, Munich, 81675, Germany.,Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, 85764, Germany
| | - Kathy J Jakielski
- Communication Sciences and Disorders, Augustana College, Rock Island, IL 61201, USA
| | - Edythe A Strand
- Department of Neurology, Mayo Clinic, Rochester, MN 55905, USA
| | - Katja Kloth
- Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Tatjana Bierhals
- Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | | | - John D Roberts
- National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - Robert M Petrovich
- National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | | | | | - Stefan Lelieveld
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands
| | - Rolph Pfundt
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands
| | - Sandra Jansen
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, 6500HE, The Netherlands
| | - Pelagia Deriziotis
- Language and Genetics Department, Max Planck Institute for Psycholinguistics, Nijmegen, 6500AH, The Netherlands
| | - Laurence Faivre
- Equipe Génétique des Anomalies du Développement, Université de Bourgogne-Franche Comté, Dijon, 21070, France.,Centre de Génétique et Centre de Référence Anomalies du Développement et Syndromes Malformatifs, FHU TRANSLAD, Hôpital d'Enfants, CHU Dijon et Université de Bourgogne, Dijon, 21079, France
| | - Julien Thevenon
- Equipe Génétique des Anomalies du Développement, Université de Bourgogne-Franche Comté, Dijon, 21070, France.,Centre de Génétique et Centre de Référence Anomalies du Développement et Syndromes Malformatifs, FHU TRANSLAD, Hôpital d'Enfants, CHU Dijon et Université de Bourgogne, Dijon, 21079, France
| | - Mirna Assoum
- Equipe Génétique des Anomalies du Développement, Université de Bourgogne-Franche Comté, Dijon, 21070, France.,Centre de Génétique et Centre de Référence Anomalies du Développement et Syndromes Malformatifs, FHU TRANSLAD, Hôpital d'Enfants, CHU Dijon et Université de Bourgogne, Dijon, 21079, France
| | | | - Tjitske Kleefstra
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, 6500HE, The Netherlands
| | - Han G Brunner
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, 6500HE, The Netherlands.,Department of Clinical Genetics and GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, 6202AZ, The Netherlands
| | - Paul A Wade
- National Institute of Environmental Health Sciences, Research Triangle Park, NC 27709, USA
| | - Simon E Fisher
- Language and Genetics Department, Max Planck Institute for Psycholinguistics, Nijmegen, 6500AH, The Netherlands. .,Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, 6500HE, The Netherlands.
| | - Philippe M Campeau
- CHU Sainte-Justine Research Center, Montreal, QC H3T 1C5, Canada. .,Sainte-Justine Hospital, University of Montreal, Montreal, QC H3T 1C5, Canada.
| |
Collapse
|
12
|
Blok LS, Rousseau J, Twist J, Ehresmann S, Takaku M, Venselaar H, Rodan LH, Nowak CB, Douglas J, Swoboda KJ, Steeves MA, Sahai I, Stumpel CTRM, Stegmann APA, Wheeler P, Willing M, Fiala E, Kochhar A, Gibson WT, Cohen ASA, Agbahovbe R, Innes AM, Au PYB, Rankin J, Anderson IJ, Skinner SA, Louie RJ, Warren HE, Afenjar A, Keren B, Nava C, Buratti J, Isapof A, Rodriguez D, Lewandowski R, Propst J, van Essen T, Choi M, Lee S, Chae JH, Price S, Schnur RE, Douglas G, Wentzensen IM, Zweier C, Reis A, Bialer MG, Moore C, Koopmans M, Brilstra EH, Monroe GR, van Gassen KLI, van Binsbergen E, Newbury-Ecob R, Bownass L, Bader I, Mayr JA, Wortmann SB, Jakielski KJ, Strand EA, Kloth K, Bierhals T, Roberts JD, Petrovich RM, Machida S, Kurumizaka H, Lelieveld S, Pfundt R, Jansen S, Deriziotis P, Faivre L, Thevenon J, Assoum M, Shriberg L, Kleefstra T, Brunner HG, Wade PA, Fisher SE, Campeau PM. Author Correction: CHD3 helicase domain mutations cause a neurodevelopmental syndrome with macrocephaly and impaired speech and language. Nat Commun 2019; 10:883. [PMID: 30770872 PMCID: PMC6377600 DOI: 10.1038/s41467-019-08800-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Affiliation(s)
- Lot Snijders Blok
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands.,Language and Genetics Department, Max Planck Institute for Psycholinguistics, Nijmegen, 6500AH, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, 6500HE, The Netherlands
| | - Justine Rousseau
- CHU Sainte-Justine Research Center, Montreal, QC, H3T 1C5, Canada
| | - Joanna Twist
- National Institute of Environmental Health Sciences, Research Triangle Park, NC, 27709, USA
| | - Sophie Ehresmann
- CHU Sainte-Justine Research Center, Montreal, QC, H3T 1C5, Canada
| | - Motoki Takaku
- National Institute of Environmental Health Sciences, Research Triangle Park, NC, 27709, USA
| | - Hanka Venselaar
- Centre for Molecular and Biomolecular Informatics, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands
| | - Lance H Rodan
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA, 02115, USA
| | - Catherine B Nowak
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA, 02115, USA
| | - Jessica Douglas
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA, 02115, USA
| | - Kathryn J Swoboda
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, 02114, USA
| | - Marcie A Steeves
- Department of Medical Genetics, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Inderneel Sahai
- Department of Medical Genetics, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - Connie T R M Stumpel
- Department of Clinical Genetics and GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, 6202AZ, The Netherlands
| | - Alexander P A Stegmann
- Department of Clinical Genetics and GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, 6202AZ, The Netherlands
| | | | - Marcia Willing
- Division of Genetics and Genomic Medicine, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | - Elise Fiala
- Division of Genetics and Genomic Medicine, Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, 63110, USA
| | | | - William T Gibson
- British Columbia Children's Hospital Research Institute, Vancouver, BC, V5Z 4H4, Canada.,Department of Medical Genetics, University of British Columbia, Vancouver, BC, V6H 3N1, Canada
| | - Ana S A Cohen
- British Columbia Children's Hospital Research Institute, Vancouver, BC, V5Z 4H4, Canada.,Department of Medical Genetics, University of British Columbia, Vancouver, BC, V6H 3N1, Canada
| | - Ruky Agbahovbe
- British Columbia Children's Hospital Research Institute, Vancouver, BC, V5Z 4H4, Canada.,Department of Medical Genetics, University of British Columbia, Vancouver, BC, V6H 3N1, Canada
| | - A Micheil Innes
- Department of Medical Genetics and Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada
| | - P Y Billie Au
- Department of Medical Genetics and Alberta Children's Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, T2N 4N1, Canada
| | - Julia Rankin
- Department of Clinical Genetics, Royal Devon and Exeter NHS Foundation Trust (Heavitree), Exeter, EX2 5DW, UK
| | - Ilse J Anderson
- Division of Genetics, Department of Medicine, University of Tennessee Medical Center, Knoxville, TN, 37920, USA
| | | | | | | | - Alexandra Afenjar
- GRC ConCer-LD, Sorbonne Universités, UPMC Univ Paris ; Department of Medical Genetics and Centre de Référence Malformations et maladies congénitales du cervelet et déficiences intellectuelles de causes rares, Armand Trousseau Hospital, GHUEP, AP-HP, Paris, 75012, France
| | - Boris Keren
- AP-HP, Hôpital de la Pitié-Salpêtrière, Département de Génétique, Paris, 75013, France.,Groupe de Recherche Clinique (GRC) 'déficience intellectuelle et autisme' UPMC, Paris, 75005, France
| | - Caroline Nava
- AP-HP, Hôpital de la Pitié-Salpêtrière, Département de Génétique, Paris, 75013, France.,Groupe de Recherche Clinique (GRC) 'déficience intellectuelle et autisme' UPMC, Paris, 75005, France.,INSERM, U 1127, CNRS UMR 7225, Institut du Cerveau et de la Moelle épinière, ICM, Sorbonne Universités, UPMC Univ Paris 06 UMR S 1127, 75013, Paris, France
| | - Julien Buratti
- AP-HP, Hôpital de la Pitié-Salpêtrière, Département de Génétique, Paris, 75013, France
| | - Arnaud Isapof
- GRC ConCer-LD, Sorbonne Universités, UPMC Univ Paris 06; Department Child Neurology and Reference Center for Neuromuscular Diseases "Nord/Est/Ile-de-France", FILNEMUS, Armand Trousseau Hospital, GHUEP, AP-HP, Paris, 75012, France
| | - Diana Rodriguez
- GRC ConCer-LD, Sorbonne Universités, UPMC Univ Paris 06; Department of Child Neurology and National Reference Center for Neurogenetic Disorders, Armand Trousseau Hospital, GHUEP, AP-HP, INSERM U1141, 75012, Paris, France
| | - Raymond Lewandowski
- Clinical Genetics Division, Virginia Commonwealth University Health System, Richmond, VA, 23298, USA
| | - Jennifer Propst
- Clinical Genetics Division, Virginia Commonwealth University Health System, Richmond, VA, 23298, USA
| | - Ton van Essen
- Clinical Genetics Department, University Medical Center Groningen, Groningen, 9700RB, The Netherlands
| | - Murim Choi
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 08826, Republic of Korea
| | - Sangmoon Lee
- Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul, 08826, Republic of Korea
| | - Jong H Chae
- Department of Pediatrics, Seoul National University College of Medicine, Seoul National University Children's Hospital, Seoul, 08826, Republic of Korea
| | - Susan Price
- Oxford University Hospitals NHS Foundation Trust, Oxford, OX3 7HE, UK
| | | | | | | | - Christiane Zweier
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, 91054, Germany
| | - André Reis
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, 91054, Germany
| | - Martin G Bialer
- Northwell Health, Division of Medical Genetics and Genomics, Great Neck NY, 11021, USA
| | - Christine Moore
- Northwell Health, Division of Medical Genetics and Genomics, Great Neck NY, 11021, USA
| | - Marije Koopmans
- Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, 3508AB, The Netherlands
| | - Eva H Brilstra
- Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, 3508AB, The Netherlands
| | - Glen R Monroe
- Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, 3508AB, The Netherlands
| | - Koen L I van Gassen
- Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, 3508AB, The Netherlands
| | - Ellen van Binsbergen
- Department of Genetics, University Medical Center Utrecht, Utrecht University, Utrecht, 3508AB, The Netherlands
| | - Ruth Newbury-Ecob
- University Hospitals Bristol, Department of Clinical Genetics, St Michael's Hospital, Bristol, BS2 8EG, UK
| | - Lucy Bownass
- University Hospitals Bristol, Department of Clinical Genetics, St Michael's Hospital, Bristol, BS2 8EG, UK
| | - Ingrid Bader
- Department of Clinical Genetics, University Children's Hospital, Paracelsus Medical University, Salzburg, A-5020, Austria
| | - Johannes A Mayr
- Department of Pediatrics, Salzburger Landeskliniken and Paracelsus Medical University, Salzburg, A-5020, Austria
| | - Saskia B Wortmann
- Department of Pediatrics, Salzburger Landeskliniken and Paracelsus Medical University, Salzburg, A-5020, Austria.,Institute of Human Genetics, Technische Universität München, Munich, 81675, Germany.,Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, 85764, Germany
| | - Kathy J Jakielski
- Communication Sciences and Disorders, Augustana College, Rock Island, IL, 61201, USA
| | - Edythe A Strand
- Department of Neurology, Mayo Clinic, Rochester, MN, 55905, USA
| | - Katja Kloth
- Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Tatjana Bierhals
- Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | | | - John D Roberts
- National Institute of Environmental Health Sciences, Research Triangle Park, NC, 27709, USA
| | - Robert M Petrovich
- National Institute of Environmental Health Sciences, Research Triangle Park, NC, 27709, USA
| | | | | | - Stefan Lelieveld
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands
| | - Rolph Pfundt
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands
| | - Sandra Jansen
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, 6500HE, The Netherlands
| | - Pelagia Deriziotis
- Language and Genetics Department, Max Planck Institute for Psycholinguistics, Nijmegen, 6500AH, The Netherlands
| | - Laurence Faivre
- Equipe Génétique des Anomalies du Développement, Université de Bourgogne- Franche Comté, Dijon, 21070, France.,Centre de Génétique et Centre de Référence Anomalies du Développement et Syndromes Malformatifs, FHU TRANSLAD, Hôpital d'Enfants, CHU Dijon et Université de Bourgogne, Dijon, 21079, France
| | - Julien Thevenon
- Equipe Génétique des Anomalies du Développement, Université de Bourgogne- Franche Comté, Dijon, 21070, France.,Centre de Génétique et Centre de Référence Anomalies du Développement et Syndromes Malformatifs, FHU TRANSLAD, Hôpital d'Enfants, CHU Dijon et Université de Bourgogne, Dijon, 21079, France
| | - Mirna Assoum
- Equipe Génétique des Anomalies du Développement, Université de Bourgogne- Franche Comté, Dijon, 21070, France.,Centre de Génétique et Centre de Référence Anomalies du Développement et Syndromes Malformatifs, FHU TRANSLAD, Hôpital d'Enfants, CHU Dijon et Université de Bourgogne, Dijon, 21079, France
| | | | - Tjitske Kleefstra
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, 6500HE, The Netherlands
| | - Han G Brunner
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, 6500HB, The Netherlands.,Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, 6500HE, The Netherlands.,Department of Clinical Genetics and GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, Maastricht, 6202AZ, The Netherlands
| | - Paul A Wade
- National Institute of Environmental Health Sciences, Research Triangle Park, NC, 27709, USA
| | - Simon E Fisher
- Language and Genetics Department, Max Planck Institute for Psycholinguistics, Nijmegen, 6500AH, The Netherlands. .,Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, 6500HE, The Netherlands.
| | - Philippe M Campeau
- CHU Sainte-Justine Research Center, Montreal, QC, H3T 1C5, Canada. .,Sainte-Justine Hospital, University of Montreal, Montreal, QC, H3T 1C5, Canada.
| |
Collapse
|
13
|
Bader I, Kaye D, Taylor A, Leet A, Hare J, MacFarlane L, Easton K, Stronebrink R, Bergin P. Home Inotrope Therapy for Heart Failure 2012–2017: The Alfred Hospital Experience. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
14
|
Huisman S, Mulder PA, Redeker E, Bader I, Bisgaard AM, Brooks A, Cereda A, Cinca C, Clark D, Cormier-Daire V, Deardorff MA, Diderich K, Elting M, van Essen A, FitzPatrick D, Gervasini C, Gillessen-Kaesbach G, Girisha KM, Hilhorst-Hofstee Y, Hopman S, Horn D, Isrie M, Jansen S, Jespersgaard C, Kaiser FJ, Kaur M, Kleefstra T, Krantz ID, Lakeman P, Landlust A, Lessel D, Michot C, Moss J, Noon SE, Oliver C, Parenti I, Pie J, Ramos FJ, Rieubland C, Russo S, Selicorni A, Tümer Z, Vorstenbosch R, Wenger TL, van Balkom I, Piening S, Wierzba J, Hennekam RC. Phenotypes and genotypes in individuals with SMC1A variants. Am J Med Genet A 2017; 173:2108-2125. [PMID: 28548707 DOI: 10.1002/ajmg.a.38279] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 03/19/2017] [Accepted: 04/13/2017] [Indexed: 11/05/2022]
Abstract
SMC1A encodes one of the proteins of the cohesin complex. SMC1A variants are known to cause a phenotype resembling Cornelia de Lange syndrome (CdLS). Exome sequencing has allowed recognizing SMC1A variants in individuals with encephalopathy with epilepsy who do not resemble CdLS. We performed an international, interdisciplinary study on 51 individuals with SMC1A variants for physical and behavioral characteristics, and compare results to those in 67 individuals with NIPBL variants. For the Netherlands all known individuals with SMC1A variants were studied, both with and without CdLS phenotype. Individuals with SMC1A variants can resemble CdLS, but manifestations are less marked compared to individuals with NIPBL variants: growth is less disturbed, facial signs are less marked (except for periocular signs and thin upper vermillion), there are no major limb anomalies, and they have a higher level of cognitive and adaptive functioning. Self-injurious behavior is more frequent and more severe in the NIPBL group. In the Dutch group 5 of 13 individuals (all females) had a phenotype that shows a remarkable resemblance to Rett syndrome: epileptic encephalopathy, severe or profound intellectual disability, stereotypic movements, and (in some) regression. Their missense, nonsense, and frameshift mutations are evenly spread over the gene. We conclude that SMC1A variants can result in a phenotype resembling CdLS and a phenotype resembling Rett syndrome. Resemblances between the SMC1A group and the NIPBL group suggest that a disturbed cohesin function contributes to the phenotype, but differences between these groups may also be explained by other underlying mechanisms such as moonlighting of the cohesin genes.
Collapse
Affiliation(s)
- Sylvia Huisman
- Department of Pediatrics, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands.,Prinsenstichting Institute, Purmerend, the Netherlands
| | - Paul A Mulder
- Autism Team Northern-Netherlands, Jonx Department of Youth Mental Health and Autism, Lentis Psychiatric Institute, Groningen, the Netherlands
| | - Egbert Redeker
- Department of Clinical Genetics, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
| | - Ingrid Bader
- Division of Clinical Genetics, Department of Pediatrics, Paracelsus Medical University Salzburg, Salzburg, Austria
| | - Anne-Marie Bisgaard
- Kennedy Center, Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet, Glostrup, Denmark
| | - Alice Brooks
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Anna Cereda
- Department of Pediatrics, ASST Papa Giovanni XXIII, Bergamo, Italy
| | - Constanza Cinca
- División Genetica, Hospital de Clínicas José de San Martín, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Dinah Clark
- Division of Genetics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Valerie Cormier-Daire
- Department of Medical Genetics, Reference Center for Skeletal Dysplasia, INSERM UMR 1163, Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, Paris Descartes-Sorbonne Paris Cité University, AP-HP, Institut Imagine, and Hôpital Universitaire Necker-Enfants Malades, Paris, France
| | - Matthew A Deardorff
- Division of Genetics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.,Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Karin Diderich
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Mariet Elting
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, the Netherlands
| | | | - David FitzPatrick
- MRC Human Genetics Unit, IGMM, Western General Hospital, Edinburgh, United Kingdom
| | - Cristina Gervasini
- Department of Health Sciences, Medical Genetics, University of Milan, Milan, Italy
| | | | - Katta M Girisha
- Department of Medical Genetics, Kasturba Medical College, Manipal University, Manipal, India
| | | | - Saskia Hopman
- Department of Genetics, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Denise Horn
- Institut für Medizinische Genetik und Humangenetik, Berlin, Germany
| | - Mala Isrie
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, the Netherlands
| | - Sandra Jansen
- Department of Human Genetics, Donders Centre for Neuroscience, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Cathrine Jespersgaard
- Kennedy Center, Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet, Glostrup, Denmark
| | - Frank J Kaiser
- Section for Functional Genetics, Institute of Human Genetics, University of Lübeck, Lübeck, Germany
| | - Maninder Kaur
- Division of Genetics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Tjitske Kleefstra
- Department of Human Genetics, Donders Centre for Neuroscience, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Ian D Krantz
- Division of Genetics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.,Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Phillis Lakeman
- Department of Clinical Genetics, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
| | - Annemiek Landlust
- Autism Team Northern-Netherlands, Jonx Department of Youth Mental Health and Autism, Lentis Psychiatric Institute, Groningen, the Netherlands
| | - Davor Lessel
- Institute of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Caroline Michot
- Department of Medical Genetics, Reference Center for Skeletal Dysplasia, INSERM UMR 1163, Laboratory of Molecular and Physiopathological Bases of Osteochondrodysplasia, Paris Descartes-Sorbonne Paris Cité University, AP-HP, Institut Imagine, and Hôpital Universitaire Necker-Enfants Malades, Paris, France
| | - Jo Moss
- Cerebra Centre for Neurodevelopmental Disorders, School of Psychology, University of Birmingham, Birmingham, United Kingdom.,Institute of Cognitive Neuroscience, University College London, London, United Kingdom
| | - Sarah E Noon
- Division of Genetics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Chris Oliver
- Cerebra Centre for Neurodevelopmental Disorders, School of Psychology, University of Birmingham, Birmingham, United Kingdom
| | - Ilaria Parenti
- Institut für Humangenetik Lübeck, Universitätsklinikum Schleswig-Holstein, Lübeck, Germany.,Section for Functional Genetics, Institute of Human Genetics, University of Lübeck, Lübeck, Germany
| | - Juan Pie
- Laboratorio de Genética Clínica y Genómica Funcional, Facultad de Medicina, Universidad de Zaragoza, Zaragoza, Spain
| | - Feliciano J Ramos
- Unidad de Genética Clínica, Servicio de Pediatría, Hospital Clínico Universitario "Lozano Blesa" CIBERER-GCV02 and Departamento de Pediatría, Facultad de Medicina, Universidad de Zaragoza, Zaragoza, Spain
| | - Claudine Rieubland
- Division of Human Genetics, Department of Pediatrics, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Silvia Russo
- Molecular Biology Laboratory, Istituto Auxologico Italiano, Milan, Italy
| | | | - Zeynep Tümer
- Kennedy Center, Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet, Glostrup, Denmark
| | | | - Tara L Wenger
- Division of Craniofacial Medicine, Seattle Children's Hospital, Seattle, Washington
| | - Ingrid van Balkom
- Autism Team Northern-Netherlands, Jonx Department of Youth Mental Health and Autism, Lentis Psychiatric Institute, Groningen, the Netherlands
| | - Sigrid Piening
- Autism Team Northern-Netherlands, Jonx Department of Youth Mental Health and Autism, Lentis Psychiatric Institute, Groningen, the Netherlands
| | - Jolanta Wierzba
- Departments of Pediatrics, Hematology, Oncology and Department of General Nursery, Medical University of Gdansk, Gdansk, Poland
| | - Raoul C Hennekam
- Department of Pediatrics, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
| |
Collapse
|
15
|
Hopper I, Easton K, Bader I, Campbell J, Bergin P, Kaye D. Using the Heart Foundation Heart Failure Toolkit to Design a Model of Care for Patients Admitted with Heart Failure. Heart Lung Circ 2017. [DOI: 10.1016/j.hlc.2017.06.251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
16
|
Koch J, Mayr JA, Alhaddad B, Rauscher C, Bierau J, Kovacs-Nagy R, Coene KLM, Bader I, Holzhacker M, Prokisch H, Venselaar H, Wevers RA, Distelmaier F, Polster T, Leiz S, Betzler C, Strom TM, Sperl W, Meitinger T, Wortmann SB, Haack TB. CAD mutations and uridine-responsive epileptic encephalopathy. Brain 2016; 140:279-286. [PMID: 28007989 DOI: 10.1093/brain/aww300] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Revised: 09/14/2016] [Accepted: 10/07/2016] [Indexed: 11/14/2022] Open
Abstract
Unexplained global developmental delay and epilepsy in childhood pose a major socioeconomic burden. Progress in defining the molecular bases does not often translate into effective treatment. Notable exceptions include certain inborn errors of metabolism amenable to dietary intervention. CAD encodes a multifunctional enzyme involved in de novo pyrimidine biosynthesis. Alternatively, pyrimidines can be recycled from uridine. Exome sequencing in three families identified biallelic CAD mutations in four children with global developmental delay, epileptic encephalopathy, and anaemia with anisopoikilocytosis. Two died aged 4 and 5 years after a neurodegenerative disease course. Supplementation of the two surviving children with oral uridine led to immediate cessation of seizures in both. A 4-year-old female, previously in a minimally conscious state, began to communicate and walk with assistance after 9 weeks of treatment. A 3-year-old female likewise showed developmental progress. Blood smears normalized and anaemia resolved. We establish CAD as a gene confidently implicated in this neurometabolic disorder, characterized by co-occurrence of global developmental delay, dyserythropoietic anaemia and seizures. While the natural disease course can be lethal in early childhood, our findings support the efficacy of uridine supplementation, rendering CAD deficiency a treatable neurometabolic disorder and therefore a potential condition for future (genetic) newborn screening.
Collapse
Affiliation(s)
- Johannes Koch
- Department of Pediatrics, Salzburger Landeskliniken (SALK) and Paracelsus Medical University (PMU), Salzburg, Austria
| | - Johannes A Mayr
- Department of Pediatrics, Salzburger Landeskliniken (SALK) and Paracelsus Medical University (PMU), Salzburg, Austria
| | - Bader Alhaddad
- Institute of Human Genetics, Technische Universität München, Munich, Germany
| | - Christian Rauscher
- Department of Pediatrics, Salzburger Landeskliniken (SALK) and Paracelsus Medical University (PMU), Salzburg, Austria
| | - Jörgen Bierau
- Department of Clinical Genetics, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Reka Kovacs-Nagy
- Institute of Human Genetics, Technische Universität München, Munich, Germany
| | - Karlien L M Coene
- Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboudumc Nijmegen, The Netherlands.,Center for Molecular and Biomolecular Informatics, Radboud Institute for Molecular Life Sciences, Radboudumc Nijmegen, The Netherlands.,Clinical Laboratory, Catharina Hospital Eindhoven, Eindhoven, The Netherlands
| | - Ingrid Bader
- Department of Pediatrics, Salzburger Landeskliniken (SALK) and Paracelsus Medical University (PMU), Salzburg, Austria
| | - Monika Holzhacker
- Department of Pediatrics, Salzburger Landeskliniken (SALK) and Paracelsus Medical University (PMU), Salzburg, Austria
| | - Holger Prokisch
- Institute of Human Genetics, Technische Universität München, Munich, Germany.,Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Hanka Venselaar
- Center for Molecular and Biomolecular Informatics, Radboud Institute for Molecular Life Sciences, Radboudumc Nijmegen, The Netherlands
| | - Ron A Wevers
- Translational Metabolic Laboratory, Department of Laboratory Medicine, Radboudumc Nijmegen, The Netherlands
| | - Felix Distelmaier
- Department of General Pediatrics, Neonatology and Pediatric Cardiology, University Children's Hospital, Heinrich-Heine University Düsseldorf, Düsseldorf, Germany
| | - Tilman Polster
- Department of Paediatric Epileptology, Mara Hospital, Bethel Epilepsy Center, Bielefeld, Germany
| | - Steffen Leiz
- Department of Pediatrics, Salzburger Landeskliniken (SALK) and Paracelsus Medical University (PMU), Salzburg, Austria.,Department of Pediatrics, Salzburger Landeskliniken (SALK) and Paracelsus Medical University (PMU), Salzburg, Austria
| | - Cornelia Betzler
- Department of Pediatrics, Salzburger Landeskliniken (SALK) and Paracelsus Medical University (PMU), Salzburg, Austria
| | - Tim M Strom
- Institute of Human Genetics, Technische Universität München, Munich, Germany.,Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Wolfgang Sperl
- Department of Pediatrics, Salzburger Landeskliniken (SALK) and Paracelsus Medical University (PMU), Salzburg, Austria
| | - Thomas Meitinger
- Institute of Human Genetics, Technische Universität München, Munich, Germany.,Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, Germany.,Department of Pediatrics, Salzburger Landeskliniken (SALK) and Paracelsus Medical University (PMU), Salzburg, Austria.,Institute of Human Genetics, Technische Universität München, Munich, Germany
| | - Saskia B Wortmann
- Department of Pediatrics, Salzburger Landeskliniken (SALK) and Paracelsus Medical University (PMU), Salzburg, Austria.,Institute of Human Genetics, Technische Universität München, Munich, Germany.,Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Tobias B Haack
- Institute of Human Genetics, Technische Universität München, Munich, Germany .,Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, Germany.,Department of Clinical Genetics, Maastricht University Medical Centre, Maastricht, The Netherlands
| |
Collapse
|
17
|
Kuechler A, Czeschik JC, Graf E, Grasshoff U, Hüffmeier U, Busa T, Beck-Woedl S, Faivre L, Rivière JB, Bader I, Koch J, Reis A, Hehr U, Rittinger O, Sperl W, Haack TB, Wieland T, Engels H, Prokisch H, Strom TM, Lüdecke HJ, Wieczorek D. Bainbridge-Ropers syndrome caused by loss-of-function variants in ASXL3: a recognizable condition. Eur J Hum Genet 2016; 25:183-191. [PMID: 27901041 DOI: 10.1038/ejhg.2016.165] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 08/29/2016] [Accepted: 10/13/2016] [Indexed: 01/06/2023] Open
Abstract
Truncating ASXL3 mutations were first identified in 2013 by Bainbridge et al. as a cause of syndromic intellectual disability in four children with similar phenotypes using whole-exome sequencing. The clinical features - postulated by Bainbridge et al. to be overlapping with Bohring-Opitz syndrome - were developmental delay, severe feeding difficulties, failure to thrive and neurological abnormalities. This condition was included in OMIM as 'Bainbridge-Ropers syndrome' (BRPS, #615485). To date, a total of nine individuals with BRPS have been published in the literature in four reports (Bainbridge et al., Dinwiddie et al, Srivastava et al. and Hori et al.). In this report, we describe six unrelated patients with newly diagnosed heterozygous de novo loss-of-function variants in ASXL3 and concordant clinical features: severe muscular hypotonia with feeding difficulties in infancy, significant motor delay, profound speech impairment, intellectual disability and a characteristic craniofacial phenotype (long face, arched eyebrows with mild synophrys, downslanting palpebral fissures, prominent columella, small alae nasi, high, narrow palate and relatively little facial expression). The majority of key features characteristic for Bohring-Opitz syndrome were absent in our patients (eg, the typical posture of arms, intrauterine growth retardation, microcephaly, trigonocephaly, typical facial gestalt with nevus flammeus of the forehead and exophthalmos). Therefore we emphasize that BRPS syndrome, caused by ASXL3 loss-of-function variants, is a clinically distinct intellectual disability syndrome with a recognizable phenotype distinguishable from that of Bohring-Opitz syndrome.
Collapse
Affiliation(s)
- Alma Kuechler
- Institut für Humangenetik, Universitätsklinikum Essen, Universität Duisburg-Essen, Essen, Germany
| | | | - Elisabeth Graf
- Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Ute Grasshoff
- Institut für Medizinische Genetik und Angewandte Genomik, Universitätsklinikum Tübingen, Tübingen, Germany
| | - Ulrike Hüffmeier
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Tiffany Busa
- Centre de Référence Anomalies du Développement et Syndromes Malformatifs PACA, Service de génétique Clinique, Hôpital Timone Enfants, Marseille, France
| | - Stefanie Beck-Woedl
- Institut für Medizinische Genetik und Angewandte Genomik, Universitätsklinikum Tübingen, Tübingen, Germany
| | - Laurence Faivre
- Centre de Référence Anomalies du Développement et Syndromes Malformatifs et FHU TRANSLAD, Hôpital d'Enfants, Dijon, France.,EA 4271 GAD, Université de Bourgogne, Dijon, France
| | | | - Ingrid Bader
- Department of Pediatrics, Paracelsus Medical University, Salzburg, Austria
| | - Johannes Koch
- Department of Pediatrics, Paracelsus Medical University, Salzburg, Austria
| | - André Reis
- Institute of Human Genetics, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Ute Hehr
- Zentrum für Humangenetik, Universitätsklinikum Regensburg, Regensburg, Germany
| | - Olaf Rittinger
- Department of Pediatrics, Paracelsus Medical University, Salzburg, Austria
| | - Wolfgang Sperl
- Department of Pediatrics, Paracelsus Medical University, Salzburg, Austria
| | - Tobias B Haack
- Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, Germany.,Institute of Human Genetics, Technische Universität München, Munich, Germany
| | - Thomas Wieland
- Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, Germany
| | - Hartmut Engels
- Institute of Human Genetics, University of Bonn, Bonn, Germany
| | - Holger Prokisch
- Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, Germany.,Institute of Human Genetics, Technische Universität München, Munich, Germany
| | - Tim M Strom
- Institute of Human Genetics, Helmholtz Zentrum München, Neuherberg, Germany.,Institute of Human Genetics, Technische Universität München, Munich, Germany
| | - Hermann-Josef Lüdecke
- Institut für Humangenetik, Universitätsklinikum Essen, Universität Duisburg-Essen, Essen, Germany.,Institut für Humangenetik, Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
| | - Dagmar Wieczorek
- Institut für Humangenetik, Universitätsklinikum Essen, Universität Duisburg-Essen, Essen, Germany.,Institut für Humangenetik, Universitätsklinikum Düsseldorf, Heinrich-Heine-Universität Düsseldorf, Düsseldorf, Germany
| |
Collapse
|
18
|
Bader I, Decker E, Mayr JA, Lunzer V, Koch J, Boltshauser E, Sperl W, Pietsch P, Ertl-Wagner B, Bolz H, Bergmann C, Rittinger O. MKS1 mutations cause Joubert syndrome with agenesis of the corpus callosum. Eur J Med Genet 2016; 59:386-91. [PMID: 27377014 DOI: 10.1016/j.ejmg.2016.06.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Revised: 06/25/2016] [Accepted: 06/28/2016] [Indexed: 11/17/2022]
Abstract
Joubert syndrome (JS) is a clinically and genetically heterogeneous ciliopathy characterized by episodic hyperpnea and apnea, hypotonia, ataxia, cognitive impairment and ocular motor apraxia. The "molar tooth sign" is pathognomonic of this condition. Mutations in the MKS1 gene are a major cause of Meckel-Gruber syndrome (MKS), the most common form of syndromic neural tube defects, frequently resulting in perinatal lethality. We present the phenotype and genotype of a child with severe JS and agenesis of the corpus callosum (ACC). In our patient, a next generation sequencing (NGS) approach revealed the following two variants of the MKS1 gene: first, a novel missense variant [ c.240G > T (p.Trp80Cys)], which affects a residue that is evolutionarily highly conserved in mammals and ciliates; second, a 29 bp deletion in intron 15 [c.1408-35_1408-7del29], a founder mutation, which in a homozygous state constitutes the major cause of MKS in Finland. We review the MKS1-variants in all of the eleven JS patients reported to date and compare these patients to our case. To our knowledge, this is the first patient with Joubert syndrome and agenesis of the corpus callosum where a potentially causal genotype is provided.
Collapse
Affiliation(s)
- Ingrid Bader
- Clinical Genetics Unit, Children's Hospital, Paracelsus Medical University, Salzburg, Austria; kbo-Kinderzentrum, Technische Universität München, Germany.
| | - E Decker
- Bioscientia, Center for Human Genetics, Ingelheim, Germany
| | - J A Mayr
- Children's Hospital, Paracelsus Medical University, Salzburg, Austria
| | - V Lunzer
- Children's Hospital, Paracelsus Medical University, Salzburg, Austria
| | - J Koch
- Children's Hospital, Paracelsus Medical University, Salzburg, Austria
| | | | - W Sperl
- Children's Hospital, Paracelsus Medical University, Salzburg, Austria
| | - P Pietsch
- kbo-Kinderzentrum, Technische Universität München, Germany
| | - B Ertl-Wagner
- Institute for Clinical Radiology, Ludwig-Maximilians-University Munich, Germany
| | - H Bolz
- Bioscientia, Center for Human Genetics, Ingelheim, Germany
| | - C Bergmann
- Bioscientia, Center for Human Genetics, Ingelheim, Germany; Children's University Hospital, Zürich, Switzerland
| | - O Rittinger
- Clinical Genetics Unit, Children's Hospital, Paracelsus Medical University, Salzburg, Austria
| |
Collapse
|
19
|
Zweier C, Rittinger O, Bader I, Berland S, Cole T, Degenhardt F, Di Donato N, Graul-Neumann L, Hoyer J, Lynch SA, Vlasak I, Wieczorek D. Females with de novo aberrations in PHF6: clinical overlap of Borjeson-Forssman-Lehmann with Coffin-Siris syndrome. Am J Med Genet C Semin Med Genet 2014; 166C:290-301. [PMID: 25099957 DOI: 10.1002/ajmg.c.31408] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Recently, de novo aberrations in PHF6 were identified in females with intellectual disability and with a distinct phenotype including a characteristic facial gestalt with bitemporal narrowing, prominent supraorbital ridges, synophrys, a short nose and dental anomalies, tapering fingers with brachytelephalangy, clinodactyly and hypoplastic nails, short toes with hypoplastic nails, and linear skin hyperpigmentation. In adolescent or older patients, this phenotype overlaps but is not identical with Borjeson-Forssman-Lehmann syndrome in males, caused by X-linked recessive mutations in PHF6. In younger girls there seems to be a striking phenotypic overlap with Coffin-Siris syndrome, which is characterized by intellectual disability, sparse hair and hypoplastic nails. This review will summarize and characterize the female phenotype caused by de novo aberrations in PHF6 and will discuss the overlapping and distinguishing features with Coffin-Siris syndrome.
Collapse
|
20
|
Bader I, MacFarlane L, Kaye D, Taylor A, Leet A, Hare J, Bergin P. Home Inotrope Therapy for Heart Failure, the Alfred Hospital Experience. Heart Lung Circ 2013. [DOI: 10.1016/j.hlc.2013.05.187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
21
|
Gregor A, Albrecht B, Bader I, Bijlsma EK, Ekici AB, Engels H, Hackmann K, Horn D, Hoyer J, Klapecki J, Kohlhase J, Maystadt I, Nagl S, Prott E, Tinschert S, Ullmann R, Wohlleber E, Woods G, Reis A, Rauch A, Zweier C. Expanding the clinical spectrum associated with defects in CNTNAP2 and NRXN1. BMC Med Genet 2011; 12:106. [PMID: 21827697 PMCID: PMC3162517 DOI: 10.1186/1471-2350-12-106] [Citation(s) in RCA: 103] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2011] [Accepted: 08/09/2011] [Indexed: 11/10/2022]
Abstract
BACKGROUND Heterozygous copy-number and missense variants in CNTNAP2 and NRXN1 have repeatedly been associated with a wide spectrum of neuropsychiatric disorders such as developmental language and autism spectrum disorders, epilepsy and schizophrenia. Recently, homozygous or compound heterozygous defects in either gene were reported as causative for severe intellectual disability. METHODS 99 patients with severe intellectual disability and resemblance to Pitt-Hopkins syndrome and/or suspected recessive inheritance were screened for mutations in CNTNAP2 and NRXN1. Molecular karyotyping was performed in 45 patients. In 8 further patients with variable intellectual disability and heterozygous deletions in either CNTNAP2 or NRXN1, the remaining allele was sequenced. RESULTS By molecular karyotyping and mutational screening of CNTNAP2 and NRXN1 in a group of severely intellectually disabled patients we identified a heterozygous deletion in NRXN1 in one patient and heterozygous splice-site, frameshift and stop mutations in CNTNAP2 in four patients, respectively. Neither in these patients nor in eight further patients with heterozygous deletions within NRXN1 or CNTNAP2 we could identify a defect on the second allele. One deletion in NRXN1 and one deletion in CNTNAP2 occurred de novo, in another family the deletion was also identified in the mother who had learning difficulties, and in all other tested families one parent was shown to be healthy carrier of the respective deletion or mutation. CONCLUSIONS We report on patients with heterozygous defects in CNTNAP2 or NRXN1 associated with severe intellectual disability, which has only been reported for recessive defects before. These results expand the spectrum of phenotypic severity in patients with heterozygous defects in either gene. The large variability between severely affected patients and mildly affected or asymptomatic carrier parents might suggest the presence of a second hit, not necessarily located in the same gene.
Collapse
Affiliation(s)
- Anne Gregor
- Institute of Human Genetics, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
22
|
Bader I, Brandau O, Achatz H, Apfelstedt-Sylla E, Hergersberg M, Lorenz B, Wissinger B, Wittwer B, Rudolph G, Meindl A, Meitinger T. X-linked retinitis pigmentosa: RPGR mutations in most families with definite X linkage and clustering of mutations in a short sequence stretch of exon ORF15. Invest Ophthalmol Vis Sci 2003; 44:1458-63. [PMID: 12657579 DOI: 10.1167/iovs.02-0605] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
PURPOSE A comprehensive screening was conducted for RP2 and retinitis pigmentosa GTPase regulator (RPGR) gene mutations including RPGR exon ORF15 in 58 index patients. The frequency of RPGR mutations was assessed in families with definite X-linked recessive disease (xlRP), and a strategy for analyzing the highly repetitive mutational hot spot in exon ORF15 is provided. METHODS Fifty-eight apparently unrelated index-patients were screened for mutations in all coding exons of the RP2 and the RPGR genes, including splice-sites, by single-strand conformation polymorphism (SSCP) analysis, except for RPGR exon ORF15. A strategy for directly sequencing the large repetitive stretch of exon ORF15 from a 1.6-kb PCR-product was developed. According to pedigree size and evidence for X linkage, families were subdivided into three categories. RESULTS Screening of 58 xlRP families revealed RP2 mutations in 8% and RPGR mutations in 71% of families with definite X-linked inheritance. Mutations clustered within a approximately 500-bp stretch in exon ORF15. In-frame sequence alterations in exon ORF15 ranged from the deletion of 36 bp to the insertion of 75 bp. CONCLUSIONS Mutations in the RPGR gene are estimated to cause 15% to 20% of all cases of RP, higher than any other single RP locus. This report provides a detailed strategy to analyze the mutational hot spot in RPGR exon ORF15, which cannot be screened by standard procedures. The discrepancy of the proportion of families linked to the RP3 locus and those having RPGR mutations is resolved in a subset of families with definite X linkage.
Collapse
Affiliation(s)
- Ingrid Bader
- Institute of Human Genetics, National Research Center for Environment and Health (GSF), Neuherberg, Germany.
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
23
|
Cassino C, Ito K, Bader I, Ciotoli C, Thurston G, Reibman J. Cigarette smoking and ozone-associated emergency department use for asthma by adults in New York City. Am J Respir Crit Care Med 1999; 159:1773-9. [PMID: 10351917 DOI: 10.1164/ajrccm.159.6.9809042] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The association between ambient ozone (O3) and hospital use for asthma in children and adults is well documented. The question remains of whether there are susceptible subpopulations of asthmatic individuals who are particularly vulnerable to high O3 levels. Because tobacco use was prevalent in our cohort of inner-city adult asthmatic individuals (n = 1,216) in New York City (NYC), we investigated whether cigarette smoking was an effect modifier for asthma morbidity. We examined the relationship between personal tobacco use and O3-associated emergency department (ED) use for asthma in public hospitals in NYC. Three subpopulations were defined: never smokers (0 pack-yr), heavy smokers (>/= 13 pack-yr) and light smokers (< 13 pack-yr). Time-series regression analysis of ED use for asthma and daily O3 levels was done while controlling for temperature, seasonal/long-term trends, and day-of-week effects. Heavy smokers displayed an increased relative risk (RR) of ED visits for asthma in response to increases in 2-d lagged O3 levels (RR per 50 ppb O3 = 1.72; 95% confidence interval: 1.13 to 2.62). Logistic regression analysis confirmed that heavy cigarette use was a predictor of ED use for asthma following days with high O3 levels. Although adverse health effects of ambient O3 have also been documented in asthma populations not using cigarettes (e.g., children), our results suggest that in adult asthmatic individuals, heavy personal tobacco use may be an effect modifier for O3-associated morbidity.
Collapse
Affiliation(s)
- C Cassino
- Department of Medicine and Nelson Institute of Environmental Medicine, New York University Medical Center, New York, NY, USA
| | | | | | | | | | | |
Collapse
|
24
|
Schindelhauer D, Hellebrand H, Grimm L, Bader I, Meitinger T, Wehnert M, Ross M, Meindl A. Long-range map of a 3.5-Mb region in Xp11.23-22 with a sequence-ready map from a 1.1-Mb gene-rich interval. Genome Res 1996; 6:1056-69. [PMID: 8938429 DOI: 10.1101/gr.6.11.1056] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Most of the yeast artificial chromosomes (YACs) isolated from the Xp11.23-22 region have shown instability and chimerism and are not a reliable resource for determining physical distances. We therefore constructed a long-range pulsed-field gel electrophoresis map that encompasses approximately 3.5 Mb of genomic DNA between the loci TIMP and DXS146 including a CpG-rich region around the WASP and TFE-3 gene loci. A combined YAC-cosmid contig was constructed along the genomic map and was used for fine-mapping of 15 polymorphic microsatellites and 30 expressed sequence tags (ESTs) or sequence transcribed sites (STSs), revealing the following order: tel-(SYN-TIMP)-(DXS426-ELK1)-ZNF(CA) n-L1-DXS1367-ZNF81-ZNF21-DXS6616- (HB3-OATL1pseudogenes-DXS6950)-DXS6949-DXS694 1-DXS7464E(MG61)-GW1E(EBP)- DXS7927E(MG81)-RBM- DXS722-DXS7467E(MG21)-DXS1011E-WASP-DXS6940++ +-DXS7466E(MG44)-GF1- DXS226-DXS1126-DXS1240-HB1- DXS7469E-(DXS6665-DXS1470)-TFE3-DXS7468E-+ ++SYP-DXS1208-HB2E-DXS573-DXS1331- DXS6666-DXS1039-DXS 1426-DXS1416-DXS7647-DXS8222-DXS6850-DXS255++ +-CIC-5-DXS146-cen. A sequence-ready map was constructed for an 1100-kb gene-rich interval flanked by the markers HB3 and DXS1039, from which six novel ESTs/STSs were isolated, thus increasing the number of markers used in this interval to thirty. This precise ordering is a prerequisite for the construction of a transcription map of this region that contains numerous disease loci, including those for several forms of retinal degeneration and mental retardation. In addition, the map provides the base to delineate the corresponding syntenic region in the mouse, where the mutants scurfy and tattered are localized.
Collapse
Affiliation(s)
- D Schindelhauer
- Abteilung für Pädiatrische Genetik, Kinderpoliklinik der Universität München, Germany
| | | | | | | | | | | | | | | |
Collapse
|
25
|
Kabisch G, Bader I, Emons HH, Pollmer K. A Raman spectroscopic investigation of the structure of magnesium salt solutions in methanol and methanol - water mixtures. J Mol Liq 1983. [DOI: 10.1016/0167-7322(83)80049-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|