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JAMA Neurol. 2013 Jun;70(6):774-8. doi: 10.1001/2013.jamaneurol.393.

Progranulin mutations as risk factors for Alzheimer disease.

Author information

1
Department of Neurology, University of California, San Francisco, CA 94158, USA. dperry@memory.ucsf.edu

Abstract

IMPORTANCE:

Mutations in the progranulin gene are known to cause diverse clinical syndromes, all attributed to frontotemporal lobar degeneration. We describe 2 patients with progranulin gene mutations and evidence of Alzheimer disease (AD) pathology. We also conducted a literature review.

OBSERVATIONS:

This study focused on case reports of 2 unrelated patients with progranulin mutations at the University of California, San Francisco, Memory and Aging Center. One patient presented at age 65 years with a clinical syndrome suggestive of AD and showed evidence of amyloid aggregation on positron emission tomography. Another patient presented at age 54 years with logopenic progressive aphasia and, at autopsy, showed both frontotemporal lobar degeneration with TDP-43 inclusions and AD.

CONCLUSIONS AND RELEVANCE:

In addition to autosomal-dominant frontotemporal lobar degeneration, mutations in the progranulin gene may be a risk factor for AD clinical phenotypes and neuropathology.

PMID:
23609919
PMCID:
PMC3743672
DOI:
10.1001/2013.jamaneurol.393
[Indexed for MEDLINE]
Free PMC Article
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