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005     20240403131218.0
024 7 _ |a pmc:PMC10357418
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024 7 _ |a 10.1016/j.ajhg.2023.05.009
|2 doi
024 7 _ |a pmid:37301203
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024 7 _ |a 0002-9297
|2 ISSN
024 7 _ |a 1537-6605
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037 _ _ |a DZNE-2023-00711
041 _ _ |a English
082 _ _ |a 570
100 1 _ |a Cunha, Paulina
|b 0
245 _ _ |a Extreme phenotypic heterogeneity in non-expansion spinocerebellar ataxias.
260 _ _ |a New York, NY
|c 2023
|b Elsevier
336 7 _ |a article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a Journal Article
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520 _ _ |a Although the best-known spinocerebellar ataxias (SCAs) are triplet repeat diseases, many SCAs are not caused by repeat expansions. The rarity of individual non-expansion SCAs, however, has made it difficult to discern genotype-phenotype correlations. We therefore screened individuals who had been found to bear variants in a non-expansion SCA-associated gene through genetic testing, and after we eliminated genetic groups that had fewer than 30 subjects, there were 756 subjects bearing single-nucleotide variants or deletions in one of seven genes: CACNA1A (239 subjects), PRKCG (175), AFG3L2 (101), ITPR1 (91), STUB1 (77), SPTBN2 (39), or KCNC3 (34). We compared age at onset, disease features, and progression by gene and variant. There were no features that reliably distinguished one of these SCAs from another, and several genes-CACNA1A, ITPR1, SPTBN2, and KCNC3-were associated with both adult-onset and infantile-onset forms of disease, which also differed in presentation. Nevertheless, progression was overall very slow, and STUB1-associated disease was the fastest. Several variants in CACNA1A showed particularly wide ranges in age at onset: one variant produced anything from infantile developmental delay to ataxia onset at 64 years of age within the same family. For CACNA1A, ITPR1, and SPTBN2, the type of variant and charge change on the protein greatly affected the phenotype, defying pathogenicity prediction algorithms. Even with next-generation sequencing, accurate diagnosis requires dialogue between the clinician and the geneticist.
536 _ _ |a 353 - Clinical and Health Care Research (POF4-353)
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588 _ _ |a Dataset connected to CrossRef, PubMed, , Journals: pub.dzne.de
650 _ 2 |a Humans
|2 MeSH
650 _ 2 |a Spinocerebellar Ataxias: genetics
|2 MeSH
650 _ 2 |a Spinocerebellar Ataxias: diagnosis
|2 MeSH
650 _ 2 |a Cerebellar Ataxia: genetics
|2 MeSH
650 _ 2 |a Phenotype
|2 MeSH
650 _ 2 |a Ataxia: genetics
|2 MeSH
650 _ 2 |a Genetic Testing
|2 MeSH
650 _ 2 |a ATPases Associated with Diverse Cellular Activities: genetics
|2 MeSH
650 _ 2 |a ATP-Dependent Proteases: genetics
|2 MeSH
650 _ 2 |a Ubiquitin-Protein Ligases: genetics
|2 MeSH
650 _ 7 |a Spinocerebellar Ataxia, SCA, CACNA1A, PRKCG, AFG3L2, ITPR1, STUB1, SPTBN2, KCNC3, onset
|2 Other
650 _ 7 |a Spinocerebellar Ataxia, SCA, CACNA1A, PRKCG, AFG3L2, ITPR1, STUB1, SPTBN2, KCNC3, onset
|2 Other
650 _ 7 |a Spinocerebellar Ataxia, SCA, CACNA1A, PRKCG, AFG3L2, ITPR1, STUB1, SPTBN2, KCNC3, onset
|2 Other
650 _ 7 |a Spinocerebellar Ataxia, SCA, CACNA1A, PRKCG, AFG3L2, ITPR1, STUB1, SPTBN2, KCNC3, onset
|2 Other
650 _ 7 |a AFG3L2 protein, human
|0 EC 3.4.24.-
|2 NLM Chemicals
650 _ 7 |a ATPases Associated with Diverse Cellular Activities
|0 EC 3.6.4.-
|2 NLM Chemicals
650 _ 7 |a ATP-Dependent Proteases
|0 EC 3.4.21.-
|2 NLM Chemicals
650 _ 7 |a STUB1 protein, human
|0 EC 2.3.2.27
|2 NLM Chemicals
650 _ 7 |a Ubiquitin-Protein Ligases
|0 EC 2.3.2.27
|2 NLM Chemicals
700 1 _ |a Petit, Emilien
|b 1
700 1 _ |a Coutelier, Marie
|b 2
700 1 _ |a Coarelli, Giulia
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700 1 _ |a Mariotti, Caterina
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700 1 _ |a Faber, Jennifer
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700 1 _ |a Romano, Silvia
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700 1 _ |a Scarlato, Marina
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700 1 _ |a Le Ber, Isabelle
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700 1 _ |a Bassi, Maria Teresa
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700 1 _ |a Schmitz-Hübsch, Tanja
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700 1 _ |a Doss, Sarah
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700 1 _ |a Van Velzen, Gijs A J
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700 1 _ |a Ortigoza-Escobar, Juan Dario
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700 1 _ |a Besse-Pinot, Elsa
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700 1 _ |a Marsili, Luca
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700 1 _ |a Nicita, Francesco
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700 1 _ |a Giorgetti, Alejandro
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700 1 _ |a Moroni, Isabella
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700 1 _ |a Romaniello, Romina
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700 1 _ |a Casali, Carlo
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700 1 _ |a Ponger, Penina
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700 1 _ |a Casari, Giorgio
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700 1 _ |a De Bot, Susanne T
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700 1 _ |a Ristori, Giovanni
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700 1 _ |a Blumkin, Lubov
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700 1 _ |a Borroni, Barbara
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700 1 _ |a Goizet, Cyril
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700 1 _ |a Marelli, Cecilia
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700 1 _ |a Boesch, Sylvia
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700 1 _ |a Anheim, Mathieu
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700 1 _ |a Filla, Alessandro
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700 1 _ |a Houlden, Henry
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700 1 _ |a Bertini, Enrico
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700 1 _ |a Klopstock, Thomas
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700 1 _ |a Synofzik, Matthis
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700 1 _ |a Riant, Florence
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700 1 _ |a Zanni, Ginevra
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700 1 _ |a Magri, Stefania
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700 1 _ |a Di Bella, Daniela
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700 1 _ |a Nanetti, Lorenzo
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700 1 _ |a Sequeiros, Jorge
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700 1 _ |a Oliveira, Jorge
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700 1 _ |a Van de Warrenburg, Bart
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700 1 _ |a Schöls, Ludger
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700 1 _ |a Taroni, Franco
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700 1 _ |a Brice, Alexis
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700 1 _ |a Durr, Alexandra
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773 _ _ |a 10.1016/j.ajhg.2023.05.009
|g Vol. 110, no. 7, p. 1098 - 1109
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856 4 _ |u https://www.sciencedirect.com/science/article/abs/pii/S0002929723001660
856 4 _ |u https://pub.dzne.de/record/258998/files/DZNE-2023-00711_Restricted.pdf
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