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Proc Natl Acad Sci U S A. 1993 Oct 15;90(20):9649-53.

Increased amyloid beta-peptide deposition in cerebral cortex as a consequence of apolipoprotein E genotype in late-onset Alzheimer disease.

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  • 1Department of Medicine (Neurology), Duke University Medical Center, Durham, NC 27710.

Abstract

Amyloid beta-peptide (A beta) deposition in senile plaques and cerebral vessels is a neuropathological feature of Alzheimer disease (AD). We examined the possibility that commonly observed variability in A beta deposition in late-onset AD might be related to apolipoprotein E genotype (APOE gene; the two most common alleles are 3 and 4), since APOE4 is a susceptibility gene for late-onset AD and apolipoprotein E interacts strongly with A beta in vitro. In an autopsy series of brains of late-onset AD patients, we found a strong association of APOE4 allele with increased vascular and plaque A beta deposits. Late-onset AD patients with one or two APOE4 alleles have a distinct neuropathological phenotype compared with patients homozygous for APOE3.

PMID:
8415756
[PubMed - indexed for MEDLINE]
PMCID:
PMC47627
Free PMC Article
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