期刊
NEUROREPORT
卷 14, 期 9, 页码 1243-1246出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00001756-200307010-00011
关键词
Alzheimer's disease; beta-amyloid; ApoE4; APP; BACE; CSF; polymorphism; beta-secretase
Pathological characteristics of Alzheimer's disease (AD) are neurofibrillary tangles and amyloid-beta (Abeta) plaques. Abeta is generated by cleavage of the amyloid precursor protein by beta- and gamma-secretases. BACE (beta-site APP cleaving enzyme) was identified as the beta-secretase. Variations of the BACE gene might influence activity and function of the protein and, thus, might influence the pathogenesis of AD. Consequently, we investigated the association of different BACE polymorphisms with AD. BACE exon 5 polymorphism influenced the risk of AD. This effect was most pronounced in apolipoprotein E4 allele carriers. Furthermore, Abeta(42) CSF levels were influenced by BACE genotype. It appears that BACE polymorphism plays a more important role in the development of AD than previously assumed, possibly by influencing Abeta(42) levels.
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