Membrane rafts in Alzheimer's disease beta-amyloid production.

Membrane rafts in Alzheimer's disease beta-amyloid production.
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DOI:
10.1016/j.bbalip.2010.03.007
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发表时间:
2010-08
期刊:
Biochimica et biophysica acta
影响因子:
--
通讯作者:
Thinakaran G
Thinakaran G
中科院分区:
其他
文献类型:
--
作者:
Vetrivel KS;Thinakaran G

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Alzheimer’s disease (AD), the most common age-associated dementing disorder, is pathologically manifested by progressive cognitive dysfunction concomitant with the accumulation of senile plaques consisting of amyloid-β (Aβ) peptide aggregates in the brain of affected individuals. Aβ is derived from a type I transmembrane protein, amyloid precursor protein (APP), by the sequential proteolytic events mediated by β-site APP cleaving enzyme 1 (BACE1) and γ-secretase. Multiple lines of evidence have implicated cholesterol and cholesterol-rich membrane microdomains, termed lipid rafts in the amyloidogenic processing of APP. In this review, we summarize the cell biology of APP, β- and γ-secretases and the data on their association with lipid rafts. Then, we will discuss potential raft targeting signals identified in the secretases and their importance on amyloidogenic processing of APP.
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