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KMID : 0624620100430100656
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BMB Reports
2010 Volume.43 No. 10 p.656 ~ p.663
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Possible roles of amyloid intracellular domain of amyloid precursor protein
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Chang Keun-A
Suh Yoo-Hun
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Abstract
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Amyloid precursor protein (APP), which is critically involved in the pathogenesis of Alzheimer's disease (AD), is cleaved by gamma/epsilon-secretase activity and results in the generation of different lengths of the APP Intracellular C-terminal Domain (AICD). In spite of its small size and short half-life, AICD has become the focus of studies on AD pathogenesis. Recently, it was demonstrated that AICD binds to different intracellular binding partners ('adaptor protein'), which regulate its stability and cellular localization. In terms of choice of adaptor protein, phosphorylation seems to play an important role. AICD and its various adaptor proteins are thought to take part in various cellular events, including regulation of gene transcription, apoptosis, calcium signaling, growth factor, and NF-κB pathway activation, as well as the production, trafficking, and processing of APP, and the modulation of cytoskeletal dynamics. This review discusses the possible roles of AICD in the pathogenesis of neurodegenerative diseases including AD.
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KEYWORD
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Adaptor protein, Alzheimer's disease (AD), Amyloid intracellular C-terminal domain (AICD), Amyloid precursor protein (APP), Transcription
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