Presence of spinocerebellar ataxia type 2 gene mutation in a patient with apparently sporadic Parkinson's disease: Clinical implications

Among 242 patients with apparently sporadic Parkinson's disease, a 70‐year‐old man with a CAG repeat number of 37 in the SCA2 gene was identified. He has remained responsive to levodopa 14 years after onset and has had no overt signs suggesting cerebellar dysfunction. Although it is not possibl...

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Veröffentlicht in:Movement disorders 2004-11, Vol.19 (11), p.1357-1360
Hauptverfasser: Shan, Din-E, Liu, Ren-Shyan, Sun, Chen-Ming, Lee, Shwn-Jen, Liao, Kwong-Kum, Soong, Bing-Wen
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Sprache:eng
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Zusammenfassung:Among 242 patients with apparently sporadic Parkinson's disease, a 70‐year‐old man with a CAG repeat number of 37 in the SCA2 gene was identified. He has remained responsive to levodopa 14 years after onset and has had no overt signs suggesting cerebellar dysfunction. Although it is not possible to confirm if this patient has a de novo mutation of the SCA2 gene, this genetic defect seems to be contributing to his parkinsonian features and further supports the concept that apparently sporadic, late‐onset, levodopa‐responsive Parkinson's disease may have multiple causes. © 2004 Movement Disorder Society
ISSN:0885-3185
1531-8257
DOI:10.1002/mds.20212