No GGGGCC-hexanucleotide repeat expansion in C9ORF72 in parkinsonism patients in Sweden

被引:24
作者
Akimoto, Chizuru [1 ]
Forsgren, Lars [1 ]
Linder, Jan [1 ]
Birve, Anna [1 ]
Backlund, Irene [1 ]
Andersson, Jorgen [1 ]
Nilsson, Ann-Charloth [1 ]
Alstermark, Helena [1 ]
Andersen, Peter M. [1 ]
机构
[1] Umea Univ, Dept Pharmacol & Clin Neurosci, SE-90185 Umea, Sweden
关键词
C9ORF72; Parkinson's disease (PD); multiple system atrophy (MSA); progressive supranuclear palsy (PSP); hexanucleotide repeat expansion; AMYOTROPHIC-LATERAL-SCLEROSIS; DISEASE; ALS; DEMENTIA; DIAGNOSIS; MUTATION; FTD;
D O I
10.3109/17482968.2012.725415
中图分类号
R74 [神经病学与精神病学];
学科分类号
100204 [神经病学];
摘要
An intronic GGGGCC-hexanucleotide repeat expansion in C9ORF72 was recently identified as a major cause of amyotrophic lateral sclerosis and frontotemporal dementia. Some amyotrophic lateral sclerosis patients have signs of parkinsonism, and many parkinsonism patients develop dementia. In this study we examined if the hexanucleotide repeat expansion was present in parkinsonism patients, to clarify if there could be a relationship between the repeat expansion and disease. We studied the size of the hexanucleotide repeat expansion in a well defined population-based cohort of 135 Parkinson's disease patients and 39 patients with atypical parkinsonism and compared with 645 Swedish control subjects. We found no correlation between Parkinson's disease or atypical parkinsonism and the size of the GGGGCC repeat expansion in C9ORF72. In conclusion, this GGGGCC-repeat expansion in C9ORF72 is not a cause of parkinsonism in the Swedish population.
引用
收藏
页码:26 / 29
页数:4
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