期刊
ACTA NEUROLOGICA SCANDINAVICA
卷 126, 期 5, 页码 315-323出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1600-0404.2011.01628.x
关键词
dementia; movement disorders; neuropathology; neurodegenerative disorders; neurogenetics
资金
- local ALF grants
Objectives Gerstmann-Straussler-Scheinker syndrome belongs to the genetic prion diseases being associated with mutations in the prion protein gene (PRNP). The most common is the point mutation at codon 102, leading to the substitution of proline to leucine (P102L). Previous reports have indicated a phenotypic heterogeneity among individuals with this mutation. Here, we describe the clinical and pathological phenotype in members of the first Finnish kindred with the P102L mutation in the PNRP gene. Materials and Methods Genetic and clinical information was available in five members of a family, while a systematic histologic and immunohistochemical assessment of the post-mortem brain was carried out in three. Results Clinical presentation, disease duration and the clinical phenotype (ataxia vs dementia) varied between patients. There was a significant correlation between clinical symptoms and the neuroanatomical distribution of prion protein-immunoreactive aggregates, i.e. subtentorial predominance in ataxia vs cortical predominance in dementia. A significant concomitant Alzheimer is disease-related pathology was observed in the brain of one patient with dementia as onset symptom. Conclusions This is the first Scandinavian family carrying the P102L mutation in the PRNP gene. Gerstmann-Straussler-Scheinker syndrome should be considered in the differential diagnosis when handling with patients with ataxia and/or dementia of unclear aetiology.
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