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Brownstein CA, Douard E, Haynes RL, Koh HY, Haghighi A, Keywan C, Martin B, Alexandrescu S, Haas EA, Vargas SO, Wojcik MH, Jacquemont S, Poduri AH, Goldstein RD, Holm IA. Copy Number Variation and Structural Genomic Findings in 116 Cases of Sudden Unexplained Death between 1 and 28 Months of Age. ADVANCED GENETICS (HOBOKEN, N.J.) 2023; 4:2200012. [PMID: 36910592 PMCID: PMC10000288 DOI: 10.1002/ggn2.202200012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 08/31/2022] [Indexed: 11/09/2022]
Abstract
In sudden unexplained death in pediatrics (SUDP) the cause of death is unknown despite an autopsy and investigation. The role of copy number variations (CNVs) in SUDP has not been well-studied. Chromosomal microarray (CMA) data are generated for 116 SUDP cases with age at death between 1 and 28 months. CNVs are classified using the American College of Medical Genetics and Genomics guidelines and CNVs in our cohort are compared to an autism spectrum disorder (ASD) cohort, and to a control cohort. Pathogenic CNVs are identified in 5 of 116 cases (4.3%). Variants of uncertain significance (VUS) favoring pathogenic CNVs are identified in 9 cases (7.8%). Several CNVs are associated with neurodevelopmental phenotypes including seizures, ASD, developmental delay, and schizophrenia. The structural variant 47,XXY is identified in two cases (2/69 boys, 2.9%) not previously diagnosed with Klinefelter syndrome. Pathogenicity scores for deletions are significantly elevated in the SUDP cohort versus controls (p = 0.007) and are not significantly different from the ASD cohort. The finding of pathogenic or VUS favoring pathogenic CNVs, or structural variants, in 12.1% of cases, combined with the observation of higher pathogenicity scores for deletions in SUDP versus controls, suggests that CMA should be included in the genetic evaluation of SUDP.
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Panebianco L, D'Acunto L, Nucera B, Rinaldi F, Manganotti P, Nardone R, Brigo F. T1-hyperintensity in the pulvinar ("Pulvinar sign") in Klinefelter (47, XXY) syndrome: a case report. Acta Neurol Belg 2022; 123:631-633. [PMID: 35285009 DOI: 10.1007/s13760-022-01921-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 03/07/2022] [Indexed: 12/01/2022]
Affiliation(s)
- Luca Panebianco
- Department of Radiological Functions, Hospital of Merano (SABES-ASDAA), Merano, Italy
| | - Laura D'Acunto
- Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, University Hospital and Health services of Trieste - ASUGI, University of Trieste, Trieste, Italy.
| | - Bruna Nucera
- Department of Neurology, Hospital of Merano (SABES-ASDAA), Merano, Italy
| | - Fabrizio Rinaldi
- Department of Neurology, Hospital of Merano (SABES-ASDAA), Merano, Italy
| | - Paolo Manganotti
- Clinical Unit of Neurology, Department of Medicine, Surgery and Health Sciences, University Hospital and Health services of Trieste - ASUGI, University of Trieste, Trieste, Italy
| | - Raffaele Nardone
- Department of Neurology, Hospital of Merano (SABES-ASDAA), Merano, Italy
| | - Francesco Brigo
- Department of Neurology, Hospital of Merano (SABES-ASDAA), Merano, Italy
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Oliveira V, Pedro Rocha J, Candeias C, Oliva-Teles N, Damásio J. Brain Calcifications in Complex Sexual Aneuploidy. Mov Disord Clin Pract 2021; 8:1266-1268. [PMID: 34765692 DOI: 10.1002/mdc3.13349] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 09/01/2021] [Accepted: 09/06/2021] [Indexed: 11/08/2022] Open
Affiliation(s)
- Vanessa Oliveira
- Neurology Department Hospital de Santo António, Centro Hospitalar Universitário do Porto Porto Portugal
| | - José Pedro Rocha
- Neuroradiology Department Hospital de Santo António, Centro Hospitalar Universitário do Porto Porto Portugal
| | - Cristina Candeias
- Cytogenetics Unit, Centro de Genética Médica Doutor Jacinto Magalhães/Centro Hospitalar Universitário do Porto Porto Portugal.,Unit for Multidisciplinary Research in Biomedicine, ICBAS School of Medicine and Biomedical Sciences, Universidade do Porto Porto Portugal
| | - Natália Oliva-Teles
- Cytogenetics Unit, Centro de Genética Médica Doutor Jacinto Magalhães/Centro Hospitalar Universitário do Porto Porto Portugal.,Unit for Multidisciplinary Research in Biomedicine, ICBAS School of Medicine and Biomedical Sciences, Universidade do Porto Porto Portugal
| | - Joana Damásio
- Neurology Department Hospital de Santo António, Centro Hospitalar Universitário do Porto Porto Portugal.,Unit for Multidisciplinary Research in Biomedicine, ICBAS School of Medicine and Biomedical Sciences, Universidade do Porto Porto Portugal.,Unidade de Investigação Genética e Epidemiológica em Doenças Neurológicas and CGPP IBMC-Instituto de Biologia Molecular e Celular; i3S-Instituto de Investigação e Inovação em Saúde, Universidade do Porto Porto Portugal
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Batla A, Tai XY, Schottlaender L, Erro R, Balint B, Bhatia KP. Deconstructing Fahr's disease/syndrome of brain calcification in the era of new genes. Parkinsonism Relat Disord 2016; 37:1-10. [PMID: 28162874 DOI: 10.1016/j.parkreldis.2016.12.024] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 12/08/2016] [Accepted: 12/26/2016] [Indexed: 12/23/2022]
Abstract
INTRODUCTION There are now a number genes, known to be associated with familial primary brain calcification (PFBC), causing the so called 'Fahr's' disease or syndrome. These are SCL20A2, PDGFB, PDGFRB and XPR1. In this systematic review, we analyse the clinical and radiological features reported in genetically confirmed cases with PFBC. We have additionally reviewed pseudohypoparathyroidism which is a close differential diagnosis of PFBC in clinical presentation and is also genetically determined. METHODS We performed a Medline search, from 1st Jan 2012 through to 7th November 2016, for publications with confirmed mutations of SCL20A2, PDGFB, PDGFRB, and XPR1 and found twenty papers with 137 eligible cases. A second search was done for publications of cases with Pseudohypoparathyroidism or pseudopseudohypoparathyroidism, and found 18 publications with 20 eligible cases. RESULTS SLC20A2 was the most common gene involved with 75 out of 137 cases included with PFBC (55%) followed by PDGFB (31%) and PDGFRB (11%). Statistically significant correlation was found between the presence of parkinsonism with SLC20A2 mutations, headache in PDGFB and generalised tonic-clonic seizures in patients with pseudohypoparathyroidism. CONCLUSION We combine statistical analysis and clinical inference to suggest a diagnostic algorithm based on the observations in this study to help with investigation of a patient with neurological features and brain calcification.
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Affiliation(s)
- Amit Batla
- UCL Institute of Neurology, Queen Square, London, UK
| | - Xin You Tai
- UCL Institute of Neurology, Queen Square, London, UK
| | - Lucia Schottlaender
- Department of Molecular Neuroscience, Institute of Neurology, Queen Square, London, WC1N 3BG, UK
| | - Robert Erro
- Dipartimento di Scienze Neurologiche e del Movimento, Università di Verona, Verona, Italy
| | - Bettina Balint
- Department of Neurology, University Hospital Heidelberg, Heidelberg, Germany; Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London, UK
| | - Kailash P Bhatia
- Sobell Department of Motor Neuroscience and Movement Disorders, UCL Institute of Neurology, Queen Square, London, UK.
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Abstract
Affected patients with hypogonadism have unnaturally low amounts of sex hormones that produce male and female sex characteristics. Males who suffer from this condition lack testosterone, while females fail to produce enough estrogen. Hypogonadism may be present at birth, or it may take effect years later following injury or illness to the sex glands. Hypogonadism has remarkable associations with variable medical disorders; however, it is characterized by a distinctive association with variable neurological disorders: such as epilepsy, ataxia, dysmyelination, nerve muscle disease, movement disorders, mental retardation and deafness. The remarkable neurological diseases with hypogonadism should not basically be regarded as coincidental findings, but possibly related to an intrinsic pathophysiological association.
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Affiliation(s)
- Abdulaziz Alsemari
- Neurology Section, Department of Neurosciences, King Faisal Specialist Hospital and Research Centre, MBC. 76, PO Box 3354, Riyadh 11211, Kingdom of Saudi Arabia.
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Klinefelter's syndrome in a 5-year-old boy with behavioral disturbances and seizures. PSYCHOSOMATICS 2012; 52:575-8. [PMID: 22054630 DOI: 10.1016/j.psym.2011.05.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2010] [Revised: 05/30/2011] [Accepted: 05/31/2011] [Indexed: 01/05/2023]
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Mo SI, Lee HG, Cho AR, Chung HK, Kim KW, Lee HM, Kang BI, Ko GB, Lee SW, Nah SS. A Case of Klinefelter's Syndrome Associated with Rheumatoid Arthritis. JOURNAL OF RHEUMATIC DISEASES 2011. [DOI: 10.4078/jrd.2011.18.1.60] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Sang Il Mo
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan, Korea
| | - Hyeok Gyu Lee
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan, Korea
| | - A Ra Cho
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan, Korea
| | - Hye Kyoung Chung
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan, Korea
| | - Ki Won Kim
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan, Korea
| | - Han Min Lee
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan, Korea
| | - Byong Il Kang
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan, Korea
| | - Gyu Bong Ko
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan, Korea
| | - Se-Whan Lee
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan, Korea
| | - Seong-Su Nah
- Department of Internal Medicine, Soonchunhyang University College of Medicine, Cheonan, Korea
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