ArticleEuropean neurology2014
ALS-FTD complex disorder due to C9ORF72 gene mutation: description of first Polish family.
Article in European neurology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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11 authors at 5 institutions in 2 countries.
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Abstract
backgroundAmyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) are complex neurodegenerative disorders that can be either sporadic or familial and can overlap clinically and pathologically. We present the first Central-Eastern European family with ALS-FTD syndrome due to a C9ORF72 repeat expansion.
methodsWe studied a family consisting of 37 family members, 6 of whom were genetically evaluated for C9ORF72 expansions. Family members were evaluated clinically, by history, and by chart review.
resultsOverall, 5 generations of the family were studied, and 6 affected family members were identified. All affected members were females and had a different clinical presentation, which was ALS, FTD or both. Among the genetically evaluated subjects, 5 carried a C9ORF72 expansion; 4 of these individuals remain clinically unaffected.
conclusionOur report reveals that the hexanucleotide repeat expansion of C9ORF72, which is the most common genetic cause of ALS-FTD complex disorder, is also present in Central-Eastern Europe. Further studies are needed to assess the frequency of this expansion in the Polish population with familial as well as sporadic ALS, FTD and the ALS-FTD complex disorder.
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