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KMID : 1101320060380030179
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Korean Journal of Clinical Laboratory Science
2006 Volume.38 No. 3 p.179 ~ p.183
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ApoE Allele Test in Korean with Hair Root DNA
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Kim Chong-Ho
Jung Mi-Ra
Park Sang-Ho
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Abstract
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Alzheimer's disease (AD) is characterised neuropathologically by the accumulation of neuritic plaques and neurofibrillary tangles as well as by cerebrovascular amyloid deposition and neuronal cell loss. Current advances have shown the apolipoproteinE-epsilon 4 (ApoE4) allele to be highly associated with late-onset familial and sporadic Alzheimer's disease (AD) in Western populations. The association of ApoE allele frequencies and dementia remains unknown in populations from many countries. We recently initiated a project to examine ApoE frequencies in non-demented healthy Koreans. Genomic DNA in hair root from a thousand persons was collected and ApoE gene type was investigated with the methods of polymerase chain reaction (PCR) and restriction fragment length polymorphism. A group of a thousand non-demented Koreans over the age of 40 years were found to be positive in 15.7% of the cases for ApoE4. AD and ApoE4 were closely related. ApoE epsilon 4 was a dangerous factor of AD and ApoE 4 allele made a contribution to the heterogenicity of AD.
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KEYWORD
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Alzheimer, Allele, ApoE4, PCR
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