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Home > Frontotemporal Dementia and Chorea Associated with a Compound Heterozygous TREM2 Mutation.

TitleFrontotemporal Dementia and Chorea Associated with a Compound Heterozygous TREM2 Mutation.
Publication TypeJournal Article
Year of Publication2018
AuthorsRedaelli, V, Salsano, E, Colleoni, L, Corbetta, P, Tringali, G, Del Sole, A, Giaccone, G, Rossi, G
JournalJ Alzheimers Dis
Volume63
Issue1
Pagination195-201
Date Published2018
ISSN1875-8908
Abstract

Frontotemporal dementia (FTD) is clinically characterized by behavioral changes, language impairment, and executive dysfunction. FTD usually belongs to the frontotemporal lobar degeneration (FTLD) disease group, and its familial forms are dominantly inherited and linked to a group of genes relevant to frontal and temporal brain pathology, such as MAPT, GRN, C9ORF72, TARDBP, CHMP2B, VCP, and FUS. However, FTD can also be associated with different clinical or pathological phenotypes caused by mutations in other genes, whose heredity can be dominant or recessive. In this work we report on a familial case of FTD characterized by behavioral changes and aphasia, very early onset and very long duration, choreic movements, and white matter lesions at magnetic resonance imaging. We performed a wide-range genetic analysis, using a next generation sequencing approach, to evaluate a number of genes involved in neurodegeneration. We found a previously unreported compound heterozygous mutation in TREM2, that is commonly associated with the recessively inherited Nasu-Hakola disease. We discuss the differential diagnosis to be taken into account in cases of FTD presenting with atypical features.

DOI10.3233/JAD-180018
Alternate JournalJ. Alzheimers Dis.
PubMed ID29578490
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Source URL: https://www.j-alz.com/content/frontotemporal-dementia-and-chorea-associated-compound-heterozygous-trem2-mutation