Exp Neurol. 2004 Feb;185(2):208-19.

Adaptor protein interactions: modulators of amyloid precursor protein metabolism and Alzheimer's disease risk?

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Neuroscience Program, University of Michigan, Ann Arbor, MI 48105, USA.

Abstract

The cytoplasmic C-terminus of APP plays critical roles in its cellular trafficking and delivery to proteases. Adaptor proteins with phosphotyrosine-binding (PTB) domains, including those in the X11, Fe65, and c-Jun N-terminal kinase (JNK)-interacting protein (JIP) families, bind specifically to the absolutely conserved -YENPTY- motif in the APP C-terminus to regulate its trafficking and processing. Compounds that modulate APP-adaptor protein interactions may inhibit Abeta generation by specifically targeting the substrate (APP) instead of the enzyme (beta- or gamma-secretase). Genetic polymorphisms in (or near) adaptor proteins may influence risk of sporadic AD by interacting with APP in vivo to modulate its trafficking and processing to Abeta.

PMID:: 14736502; [PubMed - indexed for MEDLINE]

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Adaptor protein interactions: modulators of amyloid precursor protein metabolism and Alzheimer's disease risk?

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