1
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Priglinger CS, Rudolph G, Schmid I, Mazzola P, Haack TB, Reith M, Stingl K, Weisschuh N. Characterization of a novel non-canonical splice site variant (c.886-5T>A) in NBAS and description of the associated phenotype. Mol Genet Genomic Med 2023; 11:e2120. [PMID: 36479642 PMCID: PMC10009903 DOI: 10.1002/mgg3.2120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/28/2022] [Accepted: 11/29/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Biallelic pathogenic variants in the neuroblastoma-amplified sequence (NBAS) gene manifest in a broad spectrum of disorders, including, but not limited to recurrent acute liver failure, skeletal dysmorphism, susceptibility to infections, and SOPH syndrome with its cardinal symptoms of short stature, optic atrophy, and Pelger-Huët anomaly. We aimed to present clinical and genetic characteristics of two sisters (20 and 15 years old) who were diagnosed with optic atrophy and cone dystrophy in childhood. Genome sequencing revealed two novel variants in NBAS in compound heterozygous state in both sisters, namely a 1-bp deletion predicted to result in a premature termination codon (c.5104del; p.(Met1702*)), and a non-canonical splice site variant of unclear significance (c.886-5T>A; p.?). RESULTS Clinical examination and history revealed cone dystrophy, optic atrophy, and Pelger-Huët anomaly, but no short stature, recurrent acute liver failure, or susceptibility to infections. RNA analysis revealed that the c.886-5T>A variant results in two aberrant transcripts that are predicted to lead to in frame amino acid changes in the β-propeller region of the protein. CONCLUSION We hypothesize that the phenotype of our subjects, which appears to be at the end of the spectrum of NBAS-related disorders, could be explained by residual protein function mediated by the non-canonical splice site variant c.886-5T>A. Our study contributes to the existing knowledge on the genotypic and phenotypic spectrum of NBAS-related disorders.
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Affiliation(s)
- Claudia S Priglinger
- University Eye Hospital, Ludwig Maximilians University of Munich, Munich, Germany
| | - Günter Rudolph
- University Eye Hospital, Ludwig Maximilians University of Munich, Munich, Germany
| | - Irene Schmid
- Department of Pediatrics, Division of Pediatric Hematology and Oncology, Dr. von Hauner Children's Hospital, University Hospital, Ludwig Maximilian University of Munich, Munich, Germany
| | - Pascale Mazzola
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, Tübingen, Germany
| | - Tobias B Haack
- Institute of Medical Genetics and Applied Genomics, University of Tübingen, Tübingen, Germany.,Centre for Rare Diseases, University of Tübingen, Tübingen, Germany
| | - Milda Reith
- Centre for Ophthalmology, University Eye Hospital, University of Tübingen, Tübingen, Germany
| | - Katarina Stingl
- Centre for Ophthalmology, University Eye Hospital, University of Tübingen, Tübingen, Germany
| | - Nicole Weisschuh
- Centre for Ophthalmology, Institute for Ophthalmic Research, University of Tübingen, Tübingen, Germany
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2
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Cheng Y, Xia Z, Huang C, Xu H. Case report: A novel cause of acute liver failure in children: A combination of human herpesvirus‐6 infection and homozygous mutation in
NBAS
gene. J Clin Lab Anal 2022; 36:e24343. [PMID: 35349761 PMCID: PMC9102514 DOI: 10.1002/jcla.24343] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 01/13/2022] [Accepted: 01/17/2022] [Indexed: 11/21/2022] Open
Abstract
Etiologies of acute liver failure in children can be multiple factors including virus infection, drug‐induced damage, and different pathogens. Next‐generation sequencing (NGS) is an emerging method for pan‐pathogen screening. Here we reported a case of acute liver failure in a 15‐month‐old male, using NGS and gene sequencing to determine the cause of acute liver failure may be caused by pathogens, drug‐induction and pathogenic variant gene.
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Affiliation(s)
- Ying Cheng
- Department of Pediatric Intensive Care Unit Maternal and Child Health Hospital of Hubei Province (Women and Children’s Hospital of Hubei Province) Wuhan China
| | - Zhi Xia
- Department of Pediatric Intensive Care Unit Maternal and Child Health Hospital of Hubei Province (Women and Children’s Hospital of Hubei Province) Wuhan China
| | - Chengjiao Huang
- Department of Pediatric Intensive Care Unit Maternal and Child Health Hospital of Hubei Province (Women and Children’s Hospital of Hubei Province) Wuhan China
| | - Hui Xu
- Department of Pediatric Intensive Care Unit Maternal and Child Health Hospital of Hubei Province (Women and Children’s Hospital of Hubei Province) Wuhan China
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3
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Affiliation(s)
- Yuri Seo
- Institute of Vision Research, Department of Ophthalmology, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin, South Korea
| | - Sung Soo Kim
- Institute of Vision Research, Department of Ophthalmology, Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Jinu Han
- Institute of Vision Research, Department of Ophthalmology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
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4
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Krishnan S, Rughani A, Tsai A, Palle S. Novel compound heterozygous variants in the NBAS gene in a child with osteogenesis imperfecta and recurrent acute liver failure. BMJ Case Rep 2021; 14:14/2/e234993. [PMID: 33542026 PMCID: PMC7868262 DOI: 10.1136/bcr-2020-234993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Osteogenesis imperfecta (OI) consists of a group of genetically and phenotypically heterogeneous diseases characterised by bone fragility. Recent improvement in gene sequencing methods has helped us identify rare forms of OI that are inherited in an autosomal recessive manner. Paediatric endocrinology was consulted on a newborn girl with multiple fractures and wavy thin ribs noted on X-rays. In addition to the bone phenotype, she also has short stature and recurrent acute liver failure (ALF) episodes triggered by intercurrent illness. Whole exome sequencing revealed two novel compound heterozygous variants in neuroblastoma amplified sequence (NBAS) gene. NBAS gene codes for a protein that is involved in nonsense-mediated decay pathway and retrograde transport of proteins from Golgi to endoplasmic reticulum. Recognition of pathogenic variants in this gene as a rare cause of autosomal recessive OI and recurrent ALF has important therapeutic implications.
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Affiliation(s)
- Sowmya Krishnan
- Pediatrics, Section of Diabetes and Endocrinology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Ankur Rughani
- Pediatrics, Section of Diabetes and Endocrinology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Anne Tsai
- Pediatrics, Section of Genetics, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Sirish Palle
- Pediatrics, Section of Gastroenterology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
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5
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Li ZD, Abuduxikuer K, Zhang J, Yang Y, Qiu YL, Huang Y, Xie XB, Lu Y, Wang JS. NBAS disease: 14 new patients, a recurrent mutation, and genotype-phenotype correlation among 24 Chinese patients. Hepatol Res 2020; 50:1306-1315. [PMID: 32812336 DOI: 10.1111/hepr.13559] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 07/12/2020] [Accepted: 08/10/2020] [Indexed: 12/27/2022]
Abstract
AIM Neuroblastoma amplified sequence (NBAS)-associated disease has a wide phenotypic spectrum, including infantile liver failure syndrome type 2 (ILFS2, OMIM #616483), short stature with optic nerve atrophy and Pelger-Huët anomaly (SOPH) syndrome (OMIM #614800), and a combined phenotype overlapping ILFS2 and SOPH syndrome. The mutation spectra of NBAS and its genotype-phenotype correlation among Chinese were not clear. METHODS Clinical and genetic data were retrospectively collected from the medical charts of patients with biallelic NBAS mutations, as well as from Chinese patients in previously published reports. RESULTS Fourteen new patients were identified, including 10 novel mutations: c.648-1G>A, c.2563_c.2577+5del/p.His855_Gln859del, c.3115C>T/p.Gln1039Ter, c.3284G>A/p.Trp1095Ter, c.2570C>T/p.Ala857Val, c.6859G>T/p.Asp2287Tyr, c.1028G>A/p.Ser343Asn, c.1177_1182delinsAGATAGA/p.Val393ArgfsTer2, c.3432_3435dupCAGT/p.Ala1146GlnfsTer14, and c.680_690dupACTGTTTCAGC/p.Phe231ThrfsTer35. All 14 patients presented as fever-triggered liver injury, including nine patients that satisfied the criteria of acute liver failure (ALF) in whom c.3596G>A/p.Cys1199Tyr occurred five times. Nine patients had extrahepatic manifestations including short stature, skeletal abnormalities, intellectual disability, ophthalmic abnormalities, low levels of serum immunoglobulins, facial dysmorphism, and cardiac abnormalities. Ten other Chinese patients were collected through a review of published works. Genotype-phenotype analysis in 24 Chinese patients revealed that the percentage of ALF patients with variants in the Sec39 domain was significantly higher than that in the C-terminal (100% vs. 12.5%, P = 0.000), and the percentage of multi-organ/system involvement in patients with variants in the Sec39 domain was significantly lower than that in the C-terminal (40% vs. 100%, P = 0.0128). CONCLUSIONS We reported 14 new patients, 10 novel mutations, and a unique recurrent mutation. Correlation analysis indicated that the domain of missense and non-frameshift insertion/deletion mutations in NBAS protein is related to phenotype among Chinese patients.
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Affiliation(s)
- Zhong Die Li
- The Center for Pediatric Liver Diseases, Children's Hospital of Fudan University, Shanghai, China
| | - Kuerbanjiang Abuduxikuer
- The Center for Pediatric Liver Diseases, Children's Hospital of Fudan University, Shanghai, China
| | - Jing Zhang
- Department of Pediatrics, Jinshan Hospital, Fudan University, Shanghai, China
| | - Ye Yang
- Department of Pediatrics, Jinshan Hospital, Fudan University, Shanghai, China
| | - Yi-Ling Qiu
- Department of Pediatrics, Jinshan Hospital, Fudan University, Shanghai, China
| | - Yuge Huang
- Department of Pediatrics, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Xin-Bao Xie
- The Center for Pediatric Liver Diseases, Children's Hospital of Fudan University, Shanghai, China
| | - Yi Lu
- The Center for Pediatric Liver Diseases, Children's Hospital of Fudan University, Shanghai, China
| | - Jian-She Wang
- The Center for Pediatric Liver Diseases, Children's Hospital of Fudan University, Shanghai, China.,Shanghai Key Laboratory of Birth Defects, Shanghai, China
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6
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Lacassie Y, Johnson B, Lay-Son G, Quintana R, King A, Cortes F, Alvarez C, Gomez R, Vargas A, Chalew S, King A, Guardia S, Sorensen RU, Aradhya S. Severe SOPH syndrome due to a novel NBAS mutation in a 27-year-old woman-Review of this pleiotropic, autosomal recessive disorder: Mystery solved after two decades. Am J Med Genet A 2020; 182:1767-1775. [PMID: 32297715 DOI: 10.1002/ajmg.a.61597] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 03/16/2020] [Accepted: 04/01/2020] [Indexed: 12/16/2022]
Abstract
Autosomal recessive SOPH syndrome was first described in the Yakuts population of Asia by Maksimova et al. in 2010. It arises from biallelic pathogenic variants in the NBAS gene and is characterized by severe postnatal growth retardation, senile facial appearance, small hands and feet, optic atrophy with loss of visual acuity and color vision, and normal intelligence (OMIM #614800). The presence of Pelger-Hüet anomaly in this disorder led to its name as an acronym for Short stature, Optic nerve atrophy, and Pelger-Hüet anomaly. Recent publications have further contributed to the characterization of this syndrome through additional phenotype-genotype correlations. We review the clinical features described in these publications and report on a 27-year-old woman with dwarfism with osteolysis and multiple skeletal problems, minor anomalies, immunodeficiency, diabetes mellitus, and multiple secondary medical problems. Her condition was considered an unknown autosomal recessive disorder for many years until exome sequencing provided the diagnosis by revealing a founder disease-causing variant that was compound heterozygous with a novel pathogenic variant in NBAS. Based on the major clinical features of this individual and others reported earlier, a revision of the acronym is warranted to facilitate clinical recognition.
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Affiliation(s)
- Yves Lacassie
- Department of Pediatrics, Division of Genetics, LSU Health Sciences Center and Children's Hospital, New Orleans, Louisiana, USA
| | | | - Guillermo Lay-Son
- Servicio de Genética, Clínica Alemana y División de Pediatría, Escuela de Medicina Pontificia Universidad Católica de Chile, Santiago, Chile
| | | | - Andrew King
- Department of Orthopedics, LSU Health Sciences Center and Children's Hospital, New Orleans, Louisiana, USA
| | - Fanny Cortes
- Unidad de Genética, INTA, Universidad de Chile, Santiago, Chile
| | - Cecilia Alvarez
- Departamento de Pediatría Clínica Alemana and Facultad de Medicina Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
| | - Ricardo Gomez
- Department of Pediatrics, Division of Endocrinology, LSU Health Sciences Center and Children's Hospital, New Orleans, Louisiana, USA
| | - Alfonso Vargas
- Department of Pediatrics, Division of Endocrinology, LSU Health Sciences Center and Children's Hospital, New Orleans, Louisiana, USA
| | - Stuart Chalew
- Department of Pediatrics, Division of Endocrinology, LSU Health Sciences Center and Children's Hospital, New Orleans, Louisiana, USA
| | - Alejandra King
- Departamento de Pediatría Clínica Alemana and Facultad de Medicina Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
| | - Sylvia Guardia
- Departamento de Pediatría Clínica Alemana and Facultad de Medicina Clínica Alemana-Universidad del Desarrollo, Santiago, Chile
| | - Ricardo U Sorensen
- Department of Pediatrics, Division of Immunology, LSU Health Sciences Center and Children's Hospital, New Orleans, Louisiana and Honorary Professor Universidad de la Frontera, Temuco, Chile
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7
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Chavany J, Cano A, Roquelaure B, Bourgeois P, Boubnova J, Gaignard P, Hoebeke C, Reynaud R, Rhomer B, Slama A, Badens C, Chabrol B, Fabre A. Mutations in NBAS and SCYL1, genetic causes of recurrent liver failure in children: Three case reports and a literature review. Arch Pediatr 2020; 27:155-159. [DOI: 10.1016/j.arcped.2020.01.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 12/15/2019] [Accepted: 01/25/2020] [Indexed: 12/14/2022]
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8
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Khoreva A, Pomerantseva E, Belova N, Povolotskaya I, Konovalov F, Kaimonov V, Gavrina A, Zimin S, Pershin D, Davydova N, Burlakov V, Viktorova E, Roppelt A, Kalinina E, Novichkova G, Shcherbina A. Complex Multisystem Phenotype With Immunodeficiency Associated With NBAS Mutations: Reports of Three Patients and Review of the Literature. Front Pediatr 2020; 8:577. [PMID: 33042920 PMCID: PMC7522312 DOI: 10.3389/fped.2020.00577] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Accepted: 08/06/2020] [Indexed: 11/20/2022] Open
Abstract
Objectives: Mutations in the neuroblastoma-amplified sequence (NBAS) gene were originally described in patients with skeletal dysplasia or isolated liver disease of variable severity. Subsequent publications reported a more complex phenotype. Among multisystemic clinical symptoms, we were particularly interested in the immunological consequences of the NBAS deficiency. Methods: Clinical and laboratory data of 3 patients ages 13, 6, and 5 in whom bi-allelic NBAS mutations had been detected via next-generation sequencing were characterized. Literature review of 23 publications describing 74 patients was performed. Results: We report three Russian patients with compound heterozygous mutations of the NBAS gene who had combined immunodeficiency characterized by hypogammaglobulinemia, low T-cells, and near-absent B-cells, along with liver disease, skeletal dysplasia, optic-nerve atrophy, and dysmorphic features. Analysis of the data of 74 previously reported patients who carried various NBAS mutations demonstrated that although the most severe form of liver disease seems to require disruption of the N-terminal or middle part of NBAS, mutations of variable localizations in the gene have been associated with some form of liver disease, as well as immunological disorders. Conclusions: NBAS deficiency has a broad phenotype, and referral to an immunologist should be made in order to screen for immunodeficiency.
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Affiliation(s)
- Anna Khoreva
- Dmitry Rogachev National Research and Clinical Center for Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | | | | | - Inna Povolotskaya
- Genetics and Reproductive Medicine Center "GENETICO" Ltd., Moscow, Russia.,Veltischev Research and Clinical Institute of Pediatrics, Pirogov Russian National Research Medical University, Moscow, Russia
| | | | - Vladimir Kaimonov
- Genetics and Reproductive Medicine Center "GENETICO" Ltd., Moscow, Russia
| | - Alena Gavrina
- Center of Inborn Pathology, GMS Clinic, Moscow, Russia
| | | | - Dmitrii Pershin
- Dmitry Rogachev National Research and Clinical Center for Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | | | - Vasilii Burlakov
- Dmitry Rogachev National Research and Clinical Center for Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Ekaterina Viktorova
- Dmitry Rogachev National Research and Clinical Center for Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Anna Roppelt
- Dmitry Rogachev National Research and Clinical Center for Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Ekaterina Kalinina
- Dmitry Rogachev National Research and Clinical Center for Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Galina Novichkova
- Dmitry Rogachev National Research and Clinical Center for Pediatric Hematology, Oncology and Immunology, Moscow, Russia
| | - Anna Shcherbina
- Dmitry Rogachev National Research and Clinical Center for Pediatric Hematology, Oncology and Immunology, Moscow, Russia
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9
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Ricci S, Lodi L, Serranti D, Moroni M, Belli G, Mancano G, La Barbera A, Forzano G, Mangone G, Indolfi G, Azzari C. Immunological Features of Neuroblastoma Amplified Sequence Deficiency: Report of the First Case Identified Through Newborn Screening for Primary Immunodeficiency and Review of the Literature. Front Immunol 2019; 10:1955. [PMID: 31507590 PMCID: PMC6718460 DOI: 10.3389/fimmu.2019.01955] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 08/02/2019] [Indexed: 01/30/2023] Open
Abstract
This is the first case of NBAS disease detected by NBS for primary immunodeficiency. NBS with KRECs is revealing unknown potentialities detecting conditions that benefit from early recognition like NBAS deficiency. Immune phenotyping should be mandatory in patients with NBAS deficiency since they can exhibit severe immunodeficiency with hypogammaglobulinemia as the most frequent finding. Fever during infections is a known trigger of acute liver failure in this syndrome, so immune dysfunction, should never go unnoticed in NBAS deficiency in order to start adequate therapy and prophylaxis.
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Affiliation(s)
- Silvia Ricci
- Section of Pediatrics, Division of Immunology, Department of Health Sciences, Meyer Children's University Hospital, Florence, Italy
| | - Lorenzo Lodi
- Section of Pediatrics, Division of Immunology, Department of Health Sciences, Meyer Children's University Hospital, Florence, Italy
| | - Daniele Serranti
- Pediatric and Liver Unit, Meyer Children's University Hospital, Florence, Italy
| | - Marco Moroni
- Neonatal Intensive Care Unit, Department of Pediatrics, Meyer Children's University Hospital, Florence, Italy
| | - Gilda Belli
- Neonatal Intensive Care Unit, Department of Pediatrics, Meyer Children's University Hospital, Florence, Italy
| | - Giorgia Mancano
- Medical Genetics Unit, Meyer Children's University Hospital, Florence, Italy
| | - Andrea La Barbera
- Medical Genetics Unit, Meyer Children's University Hospital, Florence, Italy
| | - Giulia Forzano
- Medical Genetics Unit, Meyer Children's University Hospital, Florence, Italy
| | - Giusi Mangone
- Section of Pediatrics, Division of Immunology, Department of Health Sciences, Meyer Children's University Hospital, Florence, Italy
| | - Giuseppe Indolfi
- Pediatric and Liver Unit, Meyer Children's University Hospital, Florence, Italy
| | - Chiara Azzari
- Section of Pediatrics, Division of Immunology, Department of Health Sciences, Meyer Children's University Hospital, Florence, Italy
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10
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Fischer-Zirnsak B, Koenig R, Alisch F, Güneş N, Hausser I, Saha N, Beck-Woedl S, Haack TB, Thiel C, Kamrath C, Tüysüz B, Henning S, Mundlos S, Hoffmann K, Horn D, Kornak U. SOPH syndrome in three affected individuals showing similarities with progeroid cutis laxa conditions in early infancy. J Hum Genet 2019; 64:609-616. [DOI: 10.1038/s10038-019-0602-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 03/26/2019] [Accepted: 04/05/2019] [Indexed: 02/08/2023]
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11
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Carli D, Giorgio E, Pantaleoni F, Bruselles A, Barresi S, Riberi E, Licciardi F, Gazzin A, Baldassarre G, Pizzi S, Niceta M, Radio FC, Molinatto C, Montin D, Calvo PL, Ciolfi A, Fleischer N, Ferrero GB, Brusco A, Tartaglia M. NBAS
pathogenic variants: Defining the associated clinical and facial phenotype and genotype–phenotype correlations. Hum Mutat 2019; 40:721-728. [DOI: 10.1002/humu.23734] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 02/05/2019] [Accepted: 02/28/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Diana Carli
- Department of Public Health and PediatricsUniversity of TorinoTorino Italy
| | - Elisa Giorgio
- Department of Medical SciencesUniversity of TorinoTorino Italy
| | - Francesca Pantaleoni
- Genetics and Rare Diseases Research DivisionOspedale Pediatrico Bambino Gesù IRCSSRome Italy
| | - Alessandro Bruselles
- Department of Oncology and Molecular MedicineIstituto Superiore di SanitàRome Italy
| | - Sabina Barresi
- Genetics and Rare Diseases Research DivisionOspedale Pediatrico Bambino Gesù IRCSSRome Italy
| | - Evelise Riberi
- Department of Public Health and PediatricsUniversity of TorinoTorino Italy
| | | | - Andrea Gazzin
- Department of Public Health and PediatricsUniversity of TorinoTorino Italy
| | | | - Simone Pizzi
- Genetics and Rare Diseases Research DivisionOspedale Pediatrico Bambino Gesù IRCSSRome Italy
| | - Marcello Niceta
- Genetics and Rare Diseases Research DivisionOspedale Pediatrico Bambino Gesù IRCSSRome Italy
| | - Francesca C. Radio
- Genetics and Rare Diseases Research DivisionOspedale Pediatrico Bambino Gesù IRCSSRome Italy
| | - Cristina Molinatto
- Department of Public Health and PediatricsUniversity of TorinoTorino Italy
| | - Davide Montin
- Department of Public Health and PediatricsUniversity of TorinoTorino Italy
| | - Pier L. Calvo
- Pediatric Gastroenterology UnitCittà della Salute e della Scienza University HospitalTorino Italy
| | - Andrea Ciolfi
- Genetics and Rare Diseases Research DivisionOspedale Pediatrico Bambino Gesù IRCSSRome Italy
| | | | | | - Alfredo Brusco
- Department of Medical SciencesUniversity of TorinoTorino Italy
- Medical Genetics UnitCittà della Salute e della Scienza University HospitalTorino Italy
| | - Marco Tartaglia
- Genetics and Rare Diseases Research DivisionOspedale Pediatrico Bambino Gesù IRCSSRome Italy
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12
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Nucci F, Lembo A, Farronato M, Farronato G, Nucci P, Serafino M. Oculofacial alterations in NBAS-SOPH like mutations: Case report. Eur J Ophthalmol 2019; 30:NP12-NP15. [DOI: 10.1177/1120672119836335] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Purpose: To describe the clinical features of a rare case of NBAS-SOPH-like mutations; to emphasize special aspects of the ocular and oro-facial regions. Methods: Case report. Case Description: We present a 5-year-old girl initially examined for her dysmorphic features, mental delay, strabismus, and high myopia. During the funduscopic examination, we observed optic atrophy with narrow thinned arterioles with the light brown reflex of the central retina. A genetic assessment revealed NBAS-SOPH like mutation. An assessment by a team of orthodontists defined typical characteristics. Conclusions: NBAS mutations can also cause complex disease with a broad clinical spectrum ranging from isolated recurrent acute liver failure (RALF) to a multisystemic phenotype. Due to the heterogeneity of the expressions, a multispeciality approach to this situation is recommended.
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Affiliation(s)
- Francesca Nucci
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Andrea Lembo
- Department of Clinical Sciences and Community Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Multimedica, University of Milan, Eye Clinic San Giuseppe Hospital, Milan, Italy
| | - Marco Farronato
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Giampietro Farronato
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Paolo Nucci
- Department of Clinical Sciences and Community Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Multimedica, University of Milan, Eye Clinic San Giuseppe Hospital, Milan, Italy
| | - Massimiliano Serafino
- Department of Clinical Sciences and Community Health, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Multimedica, University of Milan, Eye Clinic San Giuseppe Hospital, Milan, Italy
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13
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Novel neuroblastoma amplified sequence ( NBAS) mutations in a Japanese boy with fever-triggered recurrent acute liver failure. Hum Genome Var 2019; 6:2. [PMID: 30622725 PMCID: PMC6323122 DOI: 10.1038/s41439-018-0035-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 11/13/2018] [Accepted: 11/16/2018] [Indexed: 01/09/2023] Open
Abstract
Biallelic mutations in the neuroblastoma amplified sequence (NBAS) gene have been reported to cause two different clinical spectra: short stature with optic nerve atrophy and Pelger-Huët anomaly (SOPH) syndrome and infantile liver failure syndrome 2 (ILFS2). Here, we describe a case of a 3-year-old Japanese boy who presented with fever-triggered recurrent acute liver failure (ALF). The clinical characteristics were considerable elevation of liver enzymes, severe coagulopathy, and acute renal failure. In addition to the liver phenotype, he had short stature and Pelger-Huët anomaly in the peripheral granulocytes. Whole-exome and Sanger sequencing of the patient and his parents revealed that he carried novel compound heterozygous missense mutations in NBAS, c.1018G>C (p.Gly340Arg) and c.2674 G>T (p.Val892Phe). Both mutations affect evolutionarily conserved amino acid residues and are predicted to be highly damaging. Immunoblot analysis of the patient’s skin fibroblasts showed a normal NBAS protein level but a reduced protein level of its interaction partner, p31, involved in Golgi-to-endoplasmic reticulum retrograde vesicular trafficking. We recommend NBAS gene analysis in children with unexplained fever-triggered recurrent ALF or liver dysfunction. Early antipyretic therapy may prevent further episodes of ALF. Novel mutations in a gene called NBAS have been identified in a Japanese boy with recurrent acute liver failure. Researchers led by Junko Matsuda from Kawasaki Medical School, Okayama, Japan, searched for the genetic cause of a young boy’s recurrent episodes of fever-triggered liver dysfunction. They sequenced the entire protein-coding portion of his genome and that of his parents. They found that the boy had inherited two defective copies of the NBAS (neuroblastoma amplified sequence) gene, one from each parent. Laboratory experiments indicated that these mutations impaired the ability of the protein encoded by NBAS to function correctly. The authors recommend testing for NBAS mutations in any children with unexplained liver problems, and then treating with fever-reducing therapies to prevent future life-threatening episodes of liver failure.
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Palagano E, Zuccarini G, Prontera P, Borgatti R, Stangoni G, Elisei S, Mantero S, Menale C, Forlino A, Uva P, Oppo M, Vezzoni P, Villa A, Merlo GR, Sobacchi C. Mutations in the Neuroblastoma Amplified Sequence gene in a family affected by Acrofrontofacionasal Dysostosis type 1. Bone 2018; 114:125-136. [PMID: 29929043 DOI: 10.1016/j.bone.2018.06.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 06/14/2018] [Accepted: 06/17/2018] [Indexed: 11/24/2022]
Abstract
Acrofrontofacionasal Dysostosis type 1 (AFFND1) is an extremely rare, autosomal recessive syndrome, comprising facial and skeletal abnormalities, short stature and intellectual disability. We analyzed an Indian family with two affected siblings by exome sequencing and identified a novel homozygous truncating mutation in the Neuroblastoma-Amplified Sequence (NBAS) gene in the patients' genome. Mutations in the NBAS gene have recently been associated with different phenotypes mainly involving skeletal formation, liver and cognitive development. The NBAS protein has been implicated in two key cellular processes, namely the non-sense mediated decay and the Golgi-to-Endoplasmic Reticulum retrograde traffic. Both functions were impaired in HEK293T cells overexpressing the truncated NBAS protein, as assessed by Real-Time PCR, Western blot analysis, co-immunoprecipitation, and immunofluorescence analysis. We examined the expression of NBAS protein in mouse embryos at various developmental stages by immunohistochemistry, and detected expression in developing chondrogenic and osteogenic structures of the skeleton as well as in the cortex, hippocampus and cerebellum, which is compatible with a role in bone and brain development. Functional genetics in the zebrafish model showed that depletion of endogenous z-nbas in fish embryos results in defective morphogenesis of chondrogenic cranial skeletal elements. Overall, our data point to a conserved function of NBAS in skeletal morphogenesis during development, support the hypothesis of a causative role of the mutated NBAS gene in the pathogenesis of AFFND1 and extend the spectrum of phenotypes associated with defects in this gene.
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Affiliation(s)
- Eleonora Palagano
- Humanitas Clinical and Research Institute, via Manzoni 113, 20089 Rozzano, Italy; Department of Medical Biotechnologies and Translational Medicine, University of Milan, Via Vanvitelli 32, 20133 Milan, Italy
| | - Giulia Zuccarini
- Department Molecular Biotechnology and Health Sciences, University of Turin, Via Nizza 52, 10126 Turin, Italy
| | - Paolo Prontera
- Centro di Riferimento Regionale di Genetica Medica, Azienda Ospedaliera di Perugia, Piazzale Menghini 8/9, 06129 Perugia, Italy
| | - Renato Borgatti
- Child Neuropsychiatry and Neurorehabilitation Department, Scientific Institute Eugenio Medea, La Nostra Famiglia, Via Don Luigi Monza 20, 23842 Bosisio Parini, Italy
| | - Gabriela Stangoni
- Centro di Riferimento Regionale di Genetica Medica, Azienda Ospedaliera di Perugia, Piazzale Menghini 8/9, 06129 Perugia, Italy
| | - Sandro Elisei
- Istituto Serafico di Assisi, Viale Guglielmo Marconi 6, 06081 Assisi, Italy
| | - Stefano Mantero
- Humanitas Clinical and Research Institute, via Manzoni 113, 20089 Rozzano, Italy; CNR-IRGB, Milan Unit, via Fantoli 16/15, 20138 Milan, Italy
| | - Ciro Menale
- Humanitas Clinical and Research Institute, via Manzoni 113, 20089 Rozzano, Italy; CNR-IRGB, Milan Unit, via Fantoli 16/15, 20138 Milan, Italy
| | - Antonella Forlino
- Department of Molecular Medicine, Unit of Biochemistry, University of Pavia, Via Taramelli 3/B, 27100 Pavia, Italy
| | - Paolo Uva
- CRS4, Science and Technology Park Polaris, Loc. Piscina Manna, 09010 Pula, Italy
| | - Manuela Oppo
- CRS4, Science and Technology Park Polaris, Loc. Piscina Manna, 09010 Pula, Italy
| | - Paolo Vezzoni
- Humanitas Clinical and Research Institute, via Manzoni 113, 20089 Rozzano, Italy; CNR-IRGB, Milan Unit, via Fantoli 16/15, 20138 Milan, Italy
| | - Anna Villa
- Humanitas Clinical and Research Institute, via Manzoni 113, 20089 Rozzano, Italy; CNR-IRGB, Milan Unit, via Fantoli 16/15, 20138 Milan, Italy
| | - Giorgio R Merlo
- Department Molecular Biotechnology and Health Sciences, University of Turin, Via Nizza 52, 10126 Turin, Italy
| | - Cristina Sobacchi
- Humanitas Clinical and Research Institute, via Manzoni 113, 20089 Rozzano, Italy; CNR-IRGB, Milan Unit, via Fantoli 16/15, 20138 Milan, Italy.
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