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Genetic overlap between dystonia and other neurologic disorders: A study of 1,100 exomes.
Parkinsonism Relat. Disord. 102, 1-6 (2022)
INTRODUCTION: Although shared genetic factors have been previously reported between dystonia and other neurologic conditions, no sequencing study exploring such links is available. In a large dystonic cohort, we aimed at analyzing the proportions of causative variants in genes associated with disease categories other than dystonia. METHODS: Gene findings related to whole-exome sequencing-derived diagnoses in 1100 dystonia index cases were compared with expert-curated molecular testing panels for ataxia, parkinsonism, spastic paraplegia, neuropathy, epilepsy, and intellectual disability. RESULTS: Among 220 diagnosed patients, 21% had variants in ataxia-linked genes; 15% in parkinsonism-linked genes; 15% in spastic-paraplegia-linked genes; 12% in neuropathy-linked genes; 32% in epilepsy-linked genes; and 65% in intellectual-disability-linked genes. Most diagnosed presentations (80%) were related to genes listed in ≥1 studied panel; 71% of the involved loci were found in the non-dystonia panels but not in an expert-curated gene list for dystonia. CONCLUSIONS: Our study indicates a convergence in the genetics of dystonia and other neurologic phenotypes, informing diagnostic evaluation strategies and pathophysiological considerations.
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Anmerkungen
Besondere Publikation
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Dystonia ; Exome Sequencing ; Molecular Overlap ; Panel ; Shared Genes
Sprache
englisch
Veröffentlichungsjahr
2022
HGF-Berichtsjahr
2022
ISSN (print) / ISBN
1353-8020
e-ISSN
1873-5126
Zeitschrift
Parkinsonism & Related Disorders
Quellenangaben
Band: 102,
Seiten: 1-6
Verlag
Elsevier
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Neurogenomics (ING)
POF Topic(s)
30205 - Bioengineering and Digital Health
Forschungsfeld(er)
Genetics and Epidemiology
PSP-Element(e)
G-503200-001
Förderungen
European Regional Development Fund
Technische Universität München
Else Kroner-Fresenius-Stiftung
Ministerstvo Školství, Mládeže a Tělovýchovy
Deutsche Forschungsgemeinschaft
European Commission
Univerzita Karlova v Praze
National Institute for Neurological Research
Helmholtz Zentrum München, Munich, Germany, Medizinische Universität Innsbruck
Technische Universität München
Else Kroner-Fresenius-Stiftung
Ministerstvo Školství, Mládeže a Tělovýchovy
Deutsche Forschungsgemeinschaft
European Commission
Univerzita Karlova v Praze
National Institute for Neurological Research
Helmholtz Zentrum München, Munich, Germany, Medizinische Universität Innsbruck
WOS ID
WOS:000862945100001
Scopus ID
85134757430
PubMed ID
35872528
Erfassungsdatum
2022-11-03