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Ann Neurol. 1997 Oct;42(4):655-8.

Modulation of the age at onset of Parkinson's disease by apolipoprotein E genotypes.

Author information

1
Department of Molecular and Medical Genetics, Oregon Health Sciences University, Portland 97201, USA.

Abstract

Parkinson's disease (PD) patients often develop dementia, and Alzheimer's disease (AD) patients frequently develop parkinsonian signs. The apolipoprotein E epsilon4 allele is associated with increased risk and earlier onset of AD. We studied 137 unrelated white PD patients. Those with epsilon4 had the earliest onset (52.7 +/- 9.8 years), epsilon3/epsilon3 patients had an intermediate onset (56.1 +/- 11.1 years), and those with epsilon2 had the latest onset (59.1 +/- 13.4 years). The age at onset distribution for epsilon4/epsilon- was significantly earlier than for epsilon3/epsilon3 and epsilon2/epsilon3. These preliminary results suggest that apolipoprotein E genotypes modulate the age at onset of PD.

PMID:
9382478
DOI:
10.1002/ana.410420417
[Indexed for MEDLINE]

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