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Pascual-Morena C, Martínez-Vizcaíno V, Cavero-Redondo I, Álvarez-Bueno C, Martínez-García I, Rodríguez-Gutiérrez E, Otero-Luis I, Del Saz-Lara A, Saz-Lara A. Prevalence and genotypic associations of epilepsy in Prader-Willi Syndrome: A systematic review and meta-analysis. Epilepsy Behav 2024; 155:109803. [PMID: 38663143 DOI: 10.1016/j.yebeh.2024.109803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 04/14/2024] [Accepted: 04/17/2024] [Indexed: 05/28/2024]
Abstract
OBJECTIVE To estimate the prevalence of epilepsy and febrile seizures and their association with genotype, i.e., 15q11-q13 deletions, uniparental chromosome 15 disomy (UPD) and other mutations, in the population with Prader-Willi syndrome (PWS). METHODS A systematic search of Medline, Scopus, Web of Science and the Cochrane Library was conducted. Studies estimating the prevalence of seizures, epilepsy and febrile seizures in the PWS population were included. Meta-analyses of the prevalence of epilepsy and febrile seizures and their association with genotype using the prevalence ratio (PR) were performed. RESULTS Fifteen studies were included. The prevalence of epilepsy was 0.11 (0.07, 0.15), similar to the prevalence of febrile seizures, with a prevalence of 0.09 (0.05, 0.13). The comparison "deletion vs. UPD" had a PR of 2.03 (0.90, 4.57) and 3.76 (1.54, 9.18) for epilepsy and febrile seizures. CONCLUSIONS The prevalence of seizure disorders in PWS is higher than in the general population. In addition, deletions in 15q11-q13 may be associated with a higher risk of seizure disorders. Therefore, active screening for seizure disorders in PWS should improve the lives of these people. In addition, genotype could be used to stratify risk, even for epilepsy, although more studies or larger sample sizes are needed.
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Affiliation(s)
- Carlos Pascual-Morena
- Health and Social Research Center, Universidad de Castilla - La Mancha, 16071 Cuenca, Spain; Faculty of Nursing, Universidad de Castilla-La Mancha, 02006 Albacete, Spain
| | - Vicente Martínez-Vizcaíno
- Health and Social Research Center, Universidad de Castilla - La Mancha, 16071 Cuenca, Spain; Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Talca 3460000, Chile
| | - Iván Cavero-Redondo
- Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Talca 3460000, Chile.
| | - Celia Álvarez-Bueno
- Health and Social Research Center, Universidad de Castilla - La Mancha, 16071 Cuenca, Spain; Universidad Politécnica y Artística del Paraguay, Asunción, Paraguay
| | - Irene Martínez-García
- Health and Social Research Center, Universidad de Castilla - La Mancha, 16071 Cuenca, Spain
| | | | - Iris Otero-Luis
- Health and Social Research Center, Universidad de Castilla - La Mancha, 16071 Cuenca, Spain
| | - Andrea Del Saz-Lara
- Health and Social Research Center, Universidad de Castilla - La Mancha, 16071 Cuenca, Spain; Laboratory of Epigenetics of Lipid Metabolism, Madrid Institute for Advanced Studies (IMDEA)-Food, CEI UAM + CSIC, 28049 Madrid, Spain
| | - Alicia Saz-Lara
- Health and Social Research Center, Universidad de Castilla - La Mancha, 16071 Cuenca, Spain
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Genovese AC, Butler MG. Behavioral and Psychiatric Disorders in Syndromic Autism. Brain Sci 2024; 14:343. [PMID: 38671997 PMCID: PMC11048128 DOI: 10.3390/brainsci14040343] [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: 02/23/2024] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
Syndromic autism refers to autism spectrum disorder diagnosed in the context of a known genetic syndrome. The specific manifestations of any one of these syndromic autisms are related to a clinically defined genetic syndrome that can be traced to certain genes and variants, genetic deletions, or duplications at the chromosome level. The genetic mutations or defects in single genes associated with these genetic disorders result in a significant elevation of risk for developing autism relative to the general population and are related to recurrence with inheritance patterns. Additionally, these syndromes are associated with typical behavioral characteristics or phenotypes as well as an increased risk for specific behavioral or psychiatric disorders and clinical findings. Knowledge of these associations helps guide clinicians in identifying potentially treatable conditions that can help to improve the lives of affected patients and their families.
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Affiliation(s)
- Ann C. Genovese
- Department of Psychiatry and Behavioral Sciences, University of Kansas Medical Center, Kansas City, KS 66160, USA;
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Heseding H, Jahn K, Brändl B, Haase A, Shum IO, Kohrn T, Bleich S, Frieling H, Martin U, Müller FJ, Wunderlich S, Deest M. Generation of an induced pluripotent stem cell line, ZIPi021-A, from fibroblasts of a Prader-Willi syndrome patient with maternal uniparental disomy (mUPD). Stem Cell Res 2023; 71:103143. [PMID: 37343429 DOI: 10.1016/j.scr.2023.103143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 06/10/2023] [Indexed: 06/23/2023] Open
Abstract
Prader-Willi syndrome (PWS) is a neurodevelopmental disorder caused by loss of paternal expression of imprinted genes on chromosome 15q11-q13. We established a human induced pluripotent stem cell line (hiPSC), ZIPi021-A, from fibroblasts of a 4-year-old female PWS patient with the subtype of maternal uniparental disomy (mUPD). The generated hiPSC line was transgene-free, expressed pluripotency markers and showed the ability to differentiate into all three germ layers in vitro. The ZIPi021-A hiPSC line could be used as a cellular model for PWS in humans.
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Affiliation(s)
- Hannah Heseding
- Laboratory for Molecular Neurosciences (LMN), Department of Psychiatry, Social Psychiatry and Psychotherapy, Medical School Hannover (MHH), Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Kirsten Jahn
- Laboratory for Molecular Neurosciences (LMN), Department of Psychiatry, Social Psychiatry and Psychotherapy, Medical School Hannover (MHH), Carl-Neuberg-Str. 1, 30625 Hannover, Germany.
| | - Björn Brändl
- Department of Genome Regulation, Max Planck Institute for Molecular Genetics, Berlin, Germany; Department of Psychiatry and Psychotherapy, Zentrum für Integrative Psychiatrie gGmbH, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Alexandra Haase
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Germany
| | - Ian O Shum
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Germany
| | - Tim Kohrn
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Germany
| | - Stefan Bleich
- Laboratory for Molecular Neurosciences (LMN), Department of Psychiatry, Social Psychiatry and Psychotherapy, Medical School Hannover (MHH), Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Helge Frieling
- Laboratory for Molecular Neurosciences (LMN), Department of Psychiatry, Social Psychiatry and Psychotherapy, Medical School Hannover (MHH), Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Ulrich Martin
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Germany
| | - Franz-Josef Müller
- Department of Genome Regulation, Max Planck Institute for Molecular Genetics, Berlin, Germany; Department of Psychiatry and Psychotherapy, Zentrum für Integrative Psychiatrie gGmbH, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | - Stephanie Wunderlich
- Leibniz Research Laboratories for Biotechnology and Artificial Organs (LEBAO), Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, 30625 Hannover, Germany; REBIRTH - Research Center for Translational Regenerative Medicine, Germany
| | - Maximilian Deest
- Laboratory for Molecular Neurosciences (LMN), Department of Psychiatry, Social Psychiatry and Psychotherapy, Medical School Hannover (MHH), Carl-Neuberg-Str. 1, 30625 Hannover, Germany
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Abstract
PURPOSE OF REVIEW This paper reviews how sleep is impacted in patients with Prader-Willi syndrome (PWS), focusing on sleep-related breathing disturbances and excessive daytime sleepiness (EDS). RECENT FINDINGS Hypothalamic dysfunction may underlie several aspects of the PWS phenotype. Central sleep apnea (CSA) can persist beyond infancy. Nocturnal hypoventilation is common and may occur without central or obstructive sleep apnea (OSA). Adenotonsillectomy, a mainstay of OSA treatment, may cause velopharyngeal insufficiency. Growth hormone (GH) is considered safe, but close surveillance for OSA remains important. Cardiac autonomic dysfunction occurs during slow wave sleep and may increase the risk of cardiovascular events. EDS and narcolepsy are also common. Modafinil and pitolisant are treatment options currently being studied. Sleep disorders are prevalent in individuals with PWS. Sleep-related breathing disorders present as CSA in infancy and later in life as OSA and hypoventilation. GH therapy has improved the clinical outcomes of patients with PWS, but close surveillance and treatment for OSA is recommended. EDS can persist even after sleep-related breathing disorders are treated, and some individuals may even develop narcolepsy. Early recognition and treatment of sleep-related disorders may prevent morbidity and result in improved survival of patients with PWS.
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Ta D, Downs J, Baynam G, Wilson A, Richmond P, Schmidt A, Decker A, Leonard H. Development of an International Database for a Rare Genetic Disorder: The MECP2 Duplication Database (MDBase). CHILDREN 2022; 9:children9081111. [PMID: 35892614 PMCID: PMC9332564 DOI: 10.3390/children9081111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/20/2022] [Accepted: 07/22/2022] [Indexed: 11/16/2022]
Abstract
The natural history of MECP2 duplication syndrome (MDS), a rare X-linked neurodevelopmental disorder with an estimated birth prevalence of 1/150,000 live births, is poorly understood due to a lack of clinical data collected for research. Such information is critical to the understanding of disease progression, therapeutic endpoints and outcome measures for clinical trials, as well as the development of therapies and orphan products. This clinical information can be systematically collected from caregivers through data collation efforts—yet, no such database has existed for MDS before now. Here, in this methodological study, we document the development, launch and management of the international MECP2 Duplication Database (MDBase). The MDBase consists of an extensive family questionnaire that collects information on general medical history, system-specific health problems, medication and hospitalisation records, developmental milestones and function, and quality of life (for individuals with MDS, and their caregivers). Launched in 2020, in its first two years of operation the MDBase has collected clinical data from 154 individuals from 26 countries—the largest sample size to date. The success of this methodology for the establishment and operation of the MDBase may provide insight and aid in the development of databases for other rare neurodevelopmental disorders.
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Affiliation(s)
- Daniel Ta
- Telethon Kids Institute, University of Western Australia, Perth, WA 6009, Australia; (D.T.); (J.D.); (G.B.); (A.W.); (P.R.)
| | - Jenny Downs
- Telethon Kids Institute, University of Western Australia, Perth, WA 6009, Australia; (D.T.); (J.D.); (G.B.); (A.W.); (P.R.)
- Curtin School of Allied Health, Curtin University, Bentley, WA 6102, Australia
| | - Gareth Baynam
- Telethon Kids Institute, University of Western Australia, Perth, WA 6009, Australia; (D.T.); (J.D.); (G.B.); (A.W.); (P.R.)
- Rare Care Centre, Perth Children’s Hospital, Nedlands, WA 6009, Australia
- Western Australian Register of Developmental Anomalies, King Edward Memorial Hospital, Subiaco, WA 6904, Australia
| | - Andrew Wilson
- Telethon Kids Institute, University of Western Australia, Perth, WA 6009, Australia; (D.T.); (J.D.); (G.B.); (A.W.); (P.R.)
- Curtin School of Allied Health, Curtin University, Bentley, WA 6102, Australia
- North Entrance, Perth Children’s Hospital, 15 Hospital Ave, Nedlands, WA 6009, Australia
- Discipline of Paediatrics, School of Medicine, University of Western Australia, Perth, WA 6009, Australia
| | - Peter Richmond
- Telethon Kids Institute, University of Western Australia, Perth, WA 6009, Australia; (D.T.); (J.D.); (G.B.); (A.W.); (P.R.)
- North Entrance, Perth Children’s Hospital, 15 Hospital Ave, Nedlands, WA 6009, Australia
- Discipline of Paediatrics, School of Medicine, University of Western Australia, Perth, WA 6009, Australia
| | - Aron Schmidt
- MECP2 Duplication Foundation, Tuscon, AZ 85724, USA; (A.S.); (A.D.)
| | - Amelia Decker
- MECP2 Duplication Foundation, Tuscon, AZ 85724, USA; (A.S.); (A.D.)
- Department of Paediatrics, University of Arizona College of Medicine, Tuscon, AZ 85724, USA
| | - Helen Leonard
- Telethon Kids Institute, University of Western Australia, Perth, WA 6009, Australia; (D.T.); (J.D.); (G.B.); (A.W.); (P.R.)
- Correspondence:
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