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Palma-Milla C, Prat-Planas A, Soengas-Gonda E, Centeno-Pla M, Sánchez-Pozo J, Lazaro-Rodriguez I, Quesada-Espinosa JF, Arteche-Lopez A, Olival J, Pacio-Miguez M, Palomares-Bralo M, Santos-Simarro F, Cancho-Candela R, Vázquez-López M, Seidel V, Martinez-Monseny AF, Casas-Alba D, Grinberg D, Balcells S, Serrano M, Rabionet R, Martin MA, Urreizti R. Expanding the Phenotypic Spectrum of TRAF7-Related Cardiac, Facial, and Digital Anomalies With Developmental Delay: Report of 11 New Cases and Literature Review. Pediatr Neurol 2024; 155:8-17. [PMID: 38569228 DOI: 10.1016/j.pediatrneurol.2024.03.008] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/22/2024] [Accepted: 03/07/2024] [Indexed: 04/05/2024]
Abstract
BACKGROUND TRAF7-related cardiac, facial, and digital anomalies with developmental delay (CAFDADD), a multisystemic neurodevelopmental disorder caused by germline missense variants in the TRAF7 gene, exhibits heterogeneous clinical presentations. METHODS We present a detailed description of 11 new TRAF7-related CAFDADD cases, featuring eight distinct variants, including a novel one. RESULTS Phenotypic analysis and a comprehensive review of the 58 previously reported cases outline consistent clinical presentations, emphasizing dysmorphic features, developmental delay, endocrine manifestations, and cardiac defects. In this enlarged collection, novelties include a wider range of cognitive dysfunction, with some individuals exhibiting normal development despite early psychomotor delay. Communication challenges, particularly in expressive language, are prevalent, necessitating alternative communication methods. Autistic traits, notably rigidity, are observed in the cohort. Also, worth highlighting are hearing loss, sleep disturbances, and endocrine anomalies, including growth deficiency. Cardiac defects, frequently severe, pose early-life complications. Facial features, including arched eyebrows, contribute to the distinct gestalt. A novel missense variant, p.(Arg653Leu), further underscores the complex relationship between germline TRAF7 variants and somatic changes linked to meningiomas. CONCLUSIONS Our comprehensive analysis expands the phenotypic spectrum, emphasizing the need for oncological evaluations and proposing an evidence-based schedule for clinical management. This study contributes to a better understanding of TRAF7-related CAFDADD, offering insights for improved diagnosis, intervention, and patient care.
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Affiliation(s)
- Carmen Palma-Milla
- Unidad de Dismorfología y Genética (UDisGen), Hospital Universitario 12 de Octubre, Madrid, Spain; Department of Genetics, Hospital Universitario 12 de Octubre, Madrid, Spain.
| | - Aina Prat-Planas
- Faculty of Biology, Department of Genetics, Microbiology and Statistics, Institute of Biomedicine (IBUB), Universitat de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Institut de Recerca Sant Joan de Déu (IRSJD), Esplugues de Llobregat, Spain
| | - Emma Soengas-Gonda
- Unidad de Dismorfología y Genética (UDisGen), Hospital Universitario 12 de Octubre, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Mónica Centeno-Pla
- Faculty of Biology, Department of Genetics, Microbiology and Statistics, Institute of Biomedicine (IBUB), Universitat de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Institut de Recerca Sant Joan de Déu (IRSJD), Esplugues de Llobregat, Spain; Clinical Biochemistry Department, Hospital Sant Joan de Déu, Barcelona, Spain
| | - Jaime Sánchez-Pozo
- Unidad de Dismorfología y Genética (UDisGen), Hospital Universitario 12 de Octubre, Madrid, Spain; Department of Pediatric Endocrinology, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Irene Lazaro-Rodriguez
- Unidad de Dismorfología y Genética (UDisGen), Hospital Universitario 12 de Octubre, Madrid, Spain; Department of Pediatric Endocrinology, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Juan F Quesada-Espinosa
- Unidad de Dismorfología y Genética (UDisGen), Hospital Universitario 12 de Octubre, Madrid, Spain; Department of Genetics, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Ana Arteche-Lopez
- Unidad de Dismorfología y Genética (UDisGen), Hospital Universitario 12 de Octubre, Madrid, Spain; Department of Genetics, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Jonathan Olival
- Genomic Unit, Molecular and Genetic Medicine Section, Hospital Sant Joan de Déu, Barcelona, Spain
| | - Marta Pacio-Miguez
- INGEMM, Institute of Medical Genetics, Hospital Universitario La Paz, Madrid, Spain
| | - María Palomares-Bralo
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; INGEMM, Institute of Medical Genetics, Hospital Universitario La Paz, Madrid, Spain; ITHACA - European Reference Network, INGEMM, Institute of Medical Genetics, Hospital Universitario La Paz, Madrid, Spain
| | - Fernando Santos-Simarro
- Unidad de Diagnóstico Molecular y Genética Clínica, Hospital Universitario Son Espases, Palma de Mallorca, Spain
| | - Ramón Cancho-Candela
- Neuropediatrics, Faculty of Medicine, Hospital Universitario Río Hortega, Universidad de Valladolid, Valladolid, Spain
| | | | - Veronica Seidel
- Clinical Genetics, Pediatrics Department, Hospital Gregorio Marañón, Madrid, Spain
| | - Antonio F Martinez-Monseny
- Institut de Recerca Sant Joan de Déu (IRSJD), Esplugues de Llobregat, Spain; Department of Genetic Medicine, Pediatric Institute of Rare Diseases (IPER), Hospital Sant Joan de Déu, Barcelona, Spain
| | - Didac Casas-Alba
- Institut de Recerca Sant Joan de Déu (IRSJD), Esplugues de Llobregat, Spain; Department of Genetic Medicine, Pediatric Institute of Rare Diseases (IPER), Hospital Sant Joan de Déu, Barcelona, Spain
| | - Daniel Grinberg
- Faculty of Biology, Department of Genetics, Microbiology and Statistics, Institute of Biomedicine (IBUB), Universitat de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Institut de Recerca Sant Joan de Déu (IRSJD), Esplugues de Llobregat, Spain
| | - Susanna Balcells
- Faculty of Biology, Department of Genetics, Microbiology and Statistics, Institute of Biomedicine (IBUB), Universitat de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Institut de Recerca Sant Joan de Déu (IRSJD), Esplugues de Llobregat, Spain
| | - Mercedes Serrano
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Institut de Recerca Sant Joan de Déu (IRSJD), Esplugues de Llobregat, Spain; Pediatric Neurology Department, Hospital Sant Joan de Déu, Barcelona, Spain
| | - Raquel Rabionet
- Faculty of Biology, Department of Genetics, Microbiology and Statistics, Institute of Biomedicine (IBUB), Universitat de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Institut de Recerca Sant Joan de Déu (IRSJD), Esplugues de Llobregat, Spain
| | - Miguel A Martin
- Unidad de Dismorfología y Genética (UDisGen), Hospital Universitario 12 de Octubre, Madrid, Spain; Department of Genetics, Hospital Universitario 12 de Octubre, Madrid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Grupo de Enfermedades Mitocondriales y Neurometabólicas, Instituto de Investigación Hospital 12 de Octubre (imas12), Madrid, Spain
| | - Roser Urreizti
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Instituto de Salud Carlos III (ISCIII), Madrid, Spain; Institut de Recerca Sant Joan de Déu (IRSJD), Esplugues de Llobregat, Spain; Clinical Biochemistry Department, Hospital Sant Joan de Déu, Barcelona, Spain
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2
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Soengas-Gonda E, Pérez de la Fuente R, Arteche-López A, Gómez-Cano MDLÁ, Quesada-Espinosa JF, Palma Milla C, Lezana Rosales JM, Mayo de Andrés S, Sánchez-Calvín MT, Gómez-Rodríguez MJ, Sierra Tomillo O, Juarez Rufian A, Ramos Gomez P, Herrero-Forte C, Fenollar-Cortés M, Cotarelo-Pérez C, García Ron A, Pérez Rodríguez O, Oancea-Ionescu R, Moreno-García M. Expanding the Phenotypic Spectrum of Alazami Syndrome: Two Unrelated Spanish Families. Neuropediatrics 2023; 54:31-36. [PMID: 36126956 DOI: 10.1055/a-1947-8411] [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: 02/04/2023]
Abstract
Alazami syndrome is a rare disorder with an autosomal recessive inheritance caused by pathogenic biallelic variants in the LARP7 gene. Clinically, it is mainly characterized by short stature, intellectual disability, and dysmorphic facial features. However, the phenotype is not yet well-defined because less than 50 cases have been described to date. Here, we report three new patients from two unrelated Spanish families who, in addition to the defined features of Alazami syndrome, also exhibit unique features that broaden the phenotypic spectrum of the syndrome. Moreover, we describe the novel frameshift variant c.690_699delins27 in the LARP7 gene, in which loss of function is a known mechanism of Alazami syndrome.
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Affiliation(s)
- Emma Soengas-Gonda
- Centre for Biomedical Network Research on Rare Diseases (CIBERER), ISCIII, Madrid, Spain.,Mitochondrial and Neuromuscular Disorders Group, Hospital 12 de Octubre Health Research Institute (imas12), Madrid, Spain.,UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain
| | - Rubén Pérez de la Fuente
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain.,Department of Genetics, 12 de Octubre University Hospital, Madrid, Spain
| | - Ana Arteche-López
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain.,Department of Genetics, 12 de Octubre University Hospital, Madrid, Spain
| | - María de Los Ángeles Gómez-Cano
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain.,Department of Pediatrics, Endocrinology Unit, 12 de Octubre University Hospital, Madrid, Spain
| | - Juan Francisco Quesada-Espinosa
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain.,Department of Genetics, 12 de Octubre University Hospital, Madrid, Spain
| | - Carmen Palma Milla
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain.,Department of Genetics, 12 de Octubre University Hospital, Madrid, Spain
| | - José Miguel Lezana Rosales
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain.,Department of Genetics, 12 de Octubre University Hospital, Madrid, Spain
| | - Sonia Mayo de Andrés
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain.,Department of Genetics, 12 de Octubre University Hospital, Madrid, Spain
| | - María Teresa Sánchez-Calvín
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain.,Department of Genetics, 12 de Octubre University Hospital, Madrid, Spain
| | - María José Gómez-Rodríguez
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain.,Department of Genetics, 12 de Octubre University Hospital, Madrid, Spain
| | | | | | | | - Clara Herrero-Forte
- Clinical Genetics, Clinical Analysis Service, Molecular Diagnostics Unit, Institute of Laboratory Medicine (UDM-IML), Clinico San Carlos University Hospital, Madrid, Spain.,San Carlos Clinical Research Institute (IdISSC), Madrid, Spain
| | - Maria Fenollar-Cortés
- Clinical Genetics, Clinical Analysis Service, Molecular Diagnostics Unit, Institute of Laboratory Medicine (UDM-IML), Clinico San Carlos University Hospital, Madrid, Spain.,San Carlos Clinical Research Institute (IdISSC), Madrid, Spain
| | - Carmen Cotarelo-Pérez
- Clinical Genetics, Clinical Analysis Service, Molecular Diagnostics Unit, Institute of Laboratory Medicine (UDM-IML), Clinico San Carlos University Hospital, Madrid, Spain.,San Carlos Clinical Research Institute (IdISSC), Madrid, Spain
| | - Adrián García Ron
- Neuropaediatrics Unit, Child and Adolescent Institute, Clinico San Carlos University Hospital, Madrid, Spain
| | | | - Raluca Oancea-Ionescu
- Clinical Genetics, Clinical Analysis Service, Molecular Diagnostics Unit, Institute of Laboratory Medicine (UDM-IML), Clinico San Carlos University Hospital, Madrid, Spain.,San Carlos Clinical Research Institute (IdISSC), Madrid, Spain
| | - Marta Moreno-García
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain.,Department of Genetics, 12 de Octubre University Hospital, Madrid, Spain
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3
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Arteche-López A, Avila-Fernandez A, Damian A, Soengas-Gonda E, de la Fuente RP, Gómez PR, Merlo JG, Burgos LH, Fernández CC, Rosales JML, Martínez JFG, Quesada-Espinosa JF, Corton M, Guerrero-Molina MP. New Cerebellar Ataxia, Neuropathy, Vestibular Areflexia Syndrome cases are caused by the presence of a nonsense variant in compound heterozygosity with the pathogenic repeat expansion in the RFC1 gene. Clin Genet 2023; 103:236-241. [PMID: 36250766 DOI: 10.1111/cge.14249] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [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: 07/26/2022] [Revised: 09/28/2022] [Accepted: 10/07/2022] [Indexed: 01/20/2023]
Abstract
The biallelic pathogenic repeat (AAGGG)400-2000 intronic expansion in the RFC1 gene has been recently described as the cause of cerebellar ataxia, neuropathy, vestibular areflexia syndrome (CANVAS) and as a major cause of late-onset ataxia. Since then, many heterozygous carriers have been identified, with an estimated allele frequency of 0.7% to 4% in the healthy population. Here, we describe in two affected CANVAS sisters the presence of the nonsense c.724C > T p.(Arg242*) variant in compound heterozygosity with the pathogenic repeat expansion in the RFC1 gene. Further RNA analysis demonstrated a reduced expression of the p.Arg242* allele in patients confirming an efficient nonsense-mediated mRNA decay. We also highlight the importance of considering the sequencing of the RFC1 gene for the diagnosis, especially in patients with CANVAS diagnosis carriers of the AAGGG repeat expansion.
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Affiliation(s)
- Ana Arteche-López
- Genetics Department, 12 de Octubre University Hospital, Madrid, Spain
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain
| | - Almudena Avila-Fernandez
- Genetics Department, Health Research Institute-Jimenez Diaz Foundation University Hospital, Universidad Autónoma de Madrid (IIS-FJD-UAM), Madrid, Spain
- Center for Biomedical Network Research on Rare Diseases (CIBERER), Instituto de Salud Carlos III, Madrid, Spain
| | - Alejandra Damian
- Genetics Department, Health Research Institute-Jimenez Diaz Foundation University Hospital, Universidad Autónoma de Madrid (IIS-FJD-UAM), Madrid, Spain
- Center for Biomedical Network Research on Rare Diseases (CIBERER), Instituto de Salud Carlos III, Madrid, Spain
| | - Emma Soengas-Gonda
- Genetics Department, 12 de Octubre University Hospital, Madrid, Spain
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain
- Center for Biomedical Network Research on Rare Diseases (CIBERER), Instituto de Salud Carlos III, Madrid, Spain
| | - Rubén Pérez de la Fuente
- Genetics Department, 12 de Octubre University Hospital, Madrid, Spain
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain
| | | | - Jesús Gallego Merlo
- Genetics Department, Health Research Institute-Jimenez Diaz Foundation University Hospital, Universidad Autónoma de Madrid (IIS-FJD-UAM), Madrid, Spain
- Center for Biomedical Network Research on Rare Diseases (CIBERER), Instituto de Salud Carlos III, Madrid, Spain
| | - Laura Horcajada Burgos
- Genetics Department, Health Research Institute-Jimenez Diaz Foundation University Hospital, Universidad Autónoma de Madrid (IIS-FJD-UAM), Madrid, Spain
- Center for Biomedical Network Research on Rare Diseases (CIBERER), Instituto de Salud Carlos III, Madrid, Spain
| | | | - Jose Miguel Lezana Rosales
- Genetics Department, 12 de Octubre University Hospital, Madrid, Spain
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain
| | | | - Juan Francisco Quesada-Espinosa
- Genetics Department, 12 de Octubre University Hospital, Madrid, Spain
- UDISGEN (Unidad de Dismorfología y Genética), 12 de Octubre University Hospital, Madrid, Spain
| | - Marta Corton
- Genetics Department, Health Research Institute-Jimenez Diaz Foundation University Hospital, Universidad Autónoma de Madrid (IIS-FJD-UAM), Madrid, Spain
- Center for Biomedical Network Research on Rare Diseases (CIBERER), Instituto de Salud Carlos III, Madrid, Spain
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