Abstract
BACKGROUND: Biallelic pathogenic variants in the ANO10 gene cause autosomal recessive progressive ataxia (ATX-ANO10).
METHODS: Following the MDSGene protocol, we systematically investigated genotype-phenotype relationships in ATX-ANO10 based on the clinical and genetic data from 82 published and 12 newly identified patients.
RESULTS: Most patients (>80%) had loss-of-function (LOF) variants. The most common variant was c.1150_1151del, found in all 29 patients of Romani ancestry, who had a 14-year earlier mean age at onset than patients homozygous for other LOF variants. We identified previously undescribed clinical features of ATX-ANO10 (e.g., facial muscle involvement and strabismus) suggesting the involvement of brainstem pathology, and we propose a diagnostic algorithm that may aid clinical ATX-ANO10 diagnosis.
CONCLUSIONS: The early disease onset in patients with c.1150_1151del may indicate the existence of genetic/environmental disease-modifying factors in the Romani population. Our findings will inform patient counseling and may improve our understanding of the disease mechanism. © 2024 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
| Originalsprache | Englisch |
|---|---|
| Zeitschrift | Movement disorders : official journal of the Movement Disorder Society |
| Jahrgang | 39 |
| Ausgabenummer | 5 |
| Seiten (von - bis) | 887-892 |
| Seitenumfang | 6 |
| ISSN | 0885-3185 |
| DOIs | |
| Publikationsstatus | Veröffentlicht - 05.2024 |
Fördermittel
MDSGene is funded by the International Parkinson and Movement Disorder Society, the Parkinson's Foundation, and the University of Lübeck. We thank Natascha Bahr for creating Figs. 1 and 2 and Figs. S3 and S4 , and Harutyun Madoev for maintaining and expanding the MDSGene website. Open Access funding enabled and organized by Projekt DEAL. MDSGene is funded by the International Parkinson and Movement Disorder Society, the Parkinson's Foundation, and the University of Lübeck. This study was supported by the German Research Foundation (Deutsche Forschungsgeneinschaft [DFG], FOR2488). Funding sources: A.Mi.: Employment: Clinic for Neurology, University Clinical Center of Serbia, Belgrade, Serbia. A.W.: Consultancies: consultant for medical writing to CENTOGENE GmbH; Grants: The German Research Foundation; Employment: University Clinic Schleswig‐Holstein. I.S.: Employment: Clinic for Neurology, University Clinical Center of Serbia, Belgrade, Serbia. O.T.: Employment: Clinic for Neurology, University Clinical Center of Serbia, Belgrade, Serbia. M.Brank.: Employment: Clinic for Neurology, University Clinical Center of Serbia, Belgrade, Serbia. A. Ma.: Employment: Clinic for Neurology, University Clinical Center of Serbia, Belgrade, Serbia. B.‐H.L.: Employment University Clinic Schleswig‐Holstein. M.Brand.: Employment: University Clinic Schleswig‐Holstein. R.R.: Employment: University Health Network. C.M.: Honoraria: Parkinson's Foundation (US); Grants: Parkinson's Foundation (US), The Michael J. Fox Foundation, The Weston Family Foundation; Employment: University Health Network, Toronto, Canada. K.L.: Grants: German Research Foundation, MJFF (GP2), Damp Foundation, Parkinson´s Foundation; Employment: University of Lübeck. V.B.: Employment: Clinic for Neurology, University Clinical Center of Serbia, Belgrade, Serbia. I.N.: Employment: Clinic for Neurology, University Clinical Center of Serbia, Belgrade, Serbia. I.P.: Employment: Clinic for Neurology, University Clinical Center of Serbia, Belgrade, Serbia. M.S.: Employment: Clinic for Neurology, University Clinical Center of Serbia, Belgrade, Serbia. C.K.: Consultancies: medical advisor to Centogene, Retromer Therapeutics, and Takeda; Honoraria: speaking honoraria from Desitin and Bial; Grants: German Research Foundation; the BMBF; MJFF, and ASAP; Employment: University of Lübeck and University Hospital of Schleswig‐Holstein; Royalties: Oxford University Press. V.S.K.: Employment: Clinic for Neurology, University Clinical Center of Serbia, Belgrade, Serbia. N.D.‐M.: Employment: Clinic for Neurology, University Clinical Center of Serbia, Belgrade, Serbia. K.L.: Grants: German Research Foundation, MJFF (GP2), Damp Foundation, Parkinson´s Foundation; Employment: University of Lübeck.
| Träger | Trägernummer |
|---|---|
| Parkinson's Foundation | |
| International Parkinson and Movement Disorder Society | |
| Damp Stiftung | |
| Bundesministerium für Bildung und Forschung | |
| Michael J. Fox Foundation for Parkinson's Research | |
| Deutsche Forschungsgemeinschaft | FOR2488 |
UN SDGs
Dieser Output leistet einen Beitrag zu folgendem(n) Ziel(en) für nachhaltige Entwicklung
-
SDG 3 – Gesundheit und Wohlergehen
Strategische Forschungsbereiche und Zentren
- Querschnittsbereich: Medizinische Genetik
DFG-Fachsystematik
- 2.23-06 Molekulare und zelluläre Neurologie und Neuropathologie
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Untersuchen Sie die Forschungsthemen von „ANO10-Related Spinocerebellar Ataxia: MDSGene Systematic Literature Review and a Romani Case Series“. Zusammen bilden sie einen einzigartigen Fingerprint.Projekte
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FOR 2488: Reduzierte Penetranz bei erblichen Bewegungsstörungen: Aufklärung von Mechanismen endogener Krankheitsprotektion
Klein, C. (Sprecher*in), Berg, D. (Projektleiter*in (PI)), Brüggemann, N. (Projektleiter*in (PI)), Lohmann, K. (Projektleiter*in (PI)), Seibler, P. (Projektleiter*in (PI)), König, I. R. (Projektleiter*in (PI)), Lill, C. M. (Projektleiter*in (PI)), Bertram, L. (Projektleiter*in (PI)), Erdmann, J. (Projektleiter*in (PI)), Grünewald, A. K. (Projektleiter*in (PI)), Kasten, M. (Projektleiter*in (PI)), Westenberger, A. (Projektleiter*in (PI)), Rakovic, A. (Projektleiter*in (PI)), Kaiser, F. (Projektleiter*in (PI)), Caliebe, A. (Projektleiter*in (PI)), Busch, H. S. (Projektleiter*in (PI)), Krawczak, M. (Projektleiter*in (PI)) & Spielmann, M. (Projektleiter*in (PI))
01.01.16 → 31.12.24
Projekt: DFG Verbundprojekte › DFG Forschungsgruppen (FOR)
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