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rdf:type | |
lifeskim:mentions | |
pubmed:dateCreated |
1997-2-4
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pubmed:abstractText |
Our studies of the APOE genotype in AD confirm a strong association of the epsilon 4 allele with development of AD and a decreased risk associated with epsilon 2. From a clinical/neuropathological perspective, the major effects of APOE epsilon 4 are to lower the age of onset and to increase the amount of A beta deposit in the brain. Neither rate of progression nor number of neurofibrillary tangles were affected. We also carried out a longitudinal population-based assessment of the APOE genotype to determine the risk for developing cognitive impairment of someone in the general population based on APOE genotype. APOE epsilon 4 carried about 1.4-fold increased risk, and APOE epsilon 2 about 1.7-fold decreased risk. Thus, inheritance of APOE epsilon 4 is a major biological risk factor for AD, but it has limited utility as a prognostic indicator for development of dementia in an individual.
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pubmed:grant | |
pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Dec
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pubmed:issn |
0077-8923
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
16
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pubmed:volume |
802
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
1-5
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pubmed:dateRevised |
2007-11-14
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pubmed:meshHeading |
pubmed-meshheading:8993478-Age of Onset,
pubmed-meshheading:8993478-Aged,
pubmed-meshheading:8993478-Alzheimer Disease,
pubmed-meshheading:8993478-Apolipoprotein E4,
pubmed-meshheading:8993478-Apolipoproteins E,
pubmed-meshheading:8993478-Brain,
pubmed-meshheading:8993478-Genotype,
pubmed-meshheading:8993478-Humans,
pubmed-meshheading:8993478-Iowa,
pubmed-meshheading:8993478-Longitudinal Studies,
pubmed-meshheading:8993478-Massachusetts,
pubmed-meshheading:8993478-Prognosis,
pubmed-meshheading:8993478-Risk Factors
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pubmed:year |
1996
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pubmed:articleTitle |
Epidemiological, clinical, and neuropathological study of apolipoprotein E genotype in Alzheimer's disease.
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pubmed:affiliation |
Neurology Service, Massachusetts General Hospital, Boston 02114, USA.
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
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