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Acta Neuropathol. 2007 May;113(5):601-6. Epub 2006 Dec 7.

Lrrk2 G2019S substitution in frontotemporal lobar degeneration with ubiquitin-immunoreactive neuronal inclusions.

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1
Department of Neuroscience, Mayo Clinic College of Medicine, 4500 San Pablo Road, Jacksonville, FL 32224, USA.

Abstract

Leucine-rich repeat kinase 2 (LRRK2) mutation carriers can develop clinical symptoms other than typical parkinsonism such as dementia, amyotrophy or dystonia. To determine if LRRK2 mutations might be involved in frontotemporal dementia (FTD), 5 individuals with multiplex familial FTD kindreds and 41 pathologically confirmed cases of FTD, including 23 with a family history of dementia, were screened for genetic variations in the LRRK2 gene. We identified a LRRK2 mutation leading to the G2019S amino acid substitution in a 79-year-old woman with frontotemporal lobar degeneration with ubiquitinated neuronal intranuclear inclusions (FTLD-U/NII) and a possible family history of tremor. These findings may be coincidental; however, there is a small nucleus of LRRK2-positive patients displaying atypical features suggesting a role for this protein in other neurodegenerative disorders.

PMID:
17151837
DOI:
10.1007/s00401-006-0178-1
[Indexed for MEDLINE]
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