alexa Novel L284R MAPT mutation in a family with an autosomal dominant progressive supranuclear palsy syndrome.
Neurology

Neurology

Journal of Alzheimers Disease & Parkinsonism

Author(s): Rohrer JD, Paviour D, Vandrovcova J, Hodges J, de Silva R,

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Abstract BACKGROUND: MAPT mutations are associated with disorders within the frontotemporal lobar degeneration spectrum. The usual presenting syndrome is behavioural variant frontotemporal dementia, although some patients present with parkinsonism. In a number of these cases the dominant clinical features have been consistent with a progressive supranuclear palsy (PSP) syndrome. OBJECTIVE: To describe a family with an autosomal dominant PSP syndrome with a novel L284R mutation in the MAPT gene. METHODS: A retrospective case review and genetic analysis of the MAPT gene. A literature review of PSP syndromes associated with mutations in the MAPT gene. RESULTS: Multiple members of family DRC292 across different generations had a PSP syndrome with 1 member of the family being found to have a novel L284R mutation in the MAPT gene. Behavioural features were also prominent in most cases. A PSP syndrome is only a rare finding associated with MAPT mutations and many of these cases have atypical clinical features. CONCLUSION: Although rare, MAPT mutations should be considered when there is an autosomal dominant family history of a PSP syndrome, particularly of young onset and with prominent behavioural features. Copyright © 2010 S. Karger AG, Basel.
This article was published in Neurodegener Dis and referenced in Journal of Alzheimers Disease & Parkinsonism

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