首页|APP physiological and pathophysiological functions:insights from animal models
APP physiological and pathophysiological functions:insights from animal models
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The amyloid precursor protein (APP) has been under intensive study in recent years,mainly due to its critical role in the pathogenesis of Alzheimer's disease (AD).β-Amyloid (Aβ) peptides generated from APP proteolytic cleavage can aggregate,leading to plaque formation in human AD brains.Point mutations of APP affecting Aβ production are found to be causal for hereditary early onset familial AD.It is very likely that elucidating the physiological properties of APP will greatly facilitate the understanding of its role in AD pathogenesis.A number of APP loss- and gainof-function models have been established in model organisms including Caenorhabditis elegans,Drosophila,zebrafish and mouse.These in vivo models provide us valuable insights into APP physiological functions.In addition,several knock-in mouse models expressing mutant APP at a physiological level are available to allow us to study AD pathogenesis without APP overexpression.This article will review the current physiological and pathophysiological animal models of APP.
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