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Regional distribution of polymorphisms associated to the disease-causing gene of spinocerebellar ataxia type 3

Introduction: Knowledge about the distribution and frequency of the respective haplotypes on the wildtype and mutant allele is highly relevant in the context of future gene therapy clinical studies in Spinocerebellar Ataxia Type 3, the most common autosomal dominantly inherited ataxia. Single nucleo...

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Hauptverfasser: Elter, Tim (VerfasserIn) , Sturm, Daniel (VerfasserIn) , Santana, Magda M. (VerfasserIn) , Schaprian, Tamara (VerfasserIn) , Raposo, Mafalda (VerfasserIn) , Melo, Ana Rosa Vieira (VerfasserIn) , Lima, Manuela (VerfasserIn) , Koyak, Berkan (VerfasserIn) , Oender, Demet (VerfasserIn) , Grobe-Einsler, Marcus (VerfasserIn) , Lopes, Sara (VerfasserIn) , Silva, Patrick (VerfasserIn) , de Almeida, Luís Pereira (VerfasserIn) , Giunti, Paola (VerfasserIn) , Garcia-Moreno, Hector (VerfasserIn) , Nethisinhe, Suran (VerfasserIn) , de Vries, Jeroen (VerfasserIn) , van de Warrenburg, Bart P. (VerfasserIn) , van Gaalen, Judith (VerfasserIn) , Synofzik, Matthis (VerfasserIn) , Schöls, Ludger (VerfasserIn) , Reetz, Kathrin (VerfasserIn) , Erdlenbruch, Friedrich (VerfasserIn) , Jacobi, Heike (VerfasserIn) , Infante, Jon (VerfasserIn) , Rieß, Olaf (VerfasserIn) , Klockgether, Thomas (VerfasserIn) , Timmann, Dagmar (VerfasserIn) , Thieme, Andreas (VerfasserIn) , Faber, Jennifer (VerfasserIn) , Hübener-Schmid, Jeannette (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 2025
In: Journal of neurology
Year: 2024, Jahrgang: 272, Pages: 1-12
ISSN:1432-1459
DOI:10.1007/s00415-024-12829-9
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1007/s00415-024-12829-9
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Verfasserangaben:Tim Lukas Elter, Daniel Sturm, Magda M. Santana, Tamara Schaprian, Mafalda Raposo, Ana Rosa Vieira Melo, Manuela Lima, Berkan Koyak, Demet Oender, Marcus Grobe-Einsler, Sara Lopes, Patrick Silva, Luís Pereira de Almeida, Paola Giunti, Hector Garcia-Moreno, Suran Nethisinhe, Jeroen de Vries, Bart P. van de Warrenburg, Judith van Gaalen, Matthis Synofzik, Ludger Schöls, Kathrin Reetz, Friedrich Erdlenbruch, Heike Jacobi, Jon Infante, Olaf Riess, Thomas Klockgether, ESMI study group, Jennifer Faber, Jeannette Hübener-Schmid
Beschreibung
Zusammenfassung:Introduction: Knowledge about the distribution and frequency of the respective haplotypes on the wildtype and mutant allele is highly relevant in the context of future gene therapy clinical studies in Spinocerebellar Ataxia Type 3, the most common autosomal dominantly inherited ataxia. Single nucleotide polymorphisms associated to the disease-causing gene, ATXN3, have been determined. We wanted to investigate the frequency and regional distribution of two intragenic single nucleotide polymorphisms (SNPs) in a large European SCA3 cohort and their relation to the clinical phenotype. Methods: The genotypes of the two polymorphisms at base pair positions 987 and 1118 of the ATXN3 were determined for their co-localization on the normal and expanded allele, respectively, in 286 SCA3 mutation carriers and 117 healthy controls from 11 European sites. Results: The distribution of genotypes on the expanded allele differed from those of the wildtype allele of SCA3 mutation carriers and of healthy controls, and was mainly influenced by the regional origin. In our cohort, no particular clinical phenotype was associated with any specific haplotype. Conclusions: Our results confirm distinct allocations of SNPs associated to the expanded ATXN3, and accordingly the consideration of allele-specific therapies.
Beschreibung:Veröffentlicht: 12. Dezember 2024
Gesehen am 10.06.2025
Beschreibung:Online Resource
ISSN:1432-1459
DOI:10.1007/s00415-024-12829-9

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