Caenorhabditis elegans as a model organism to study APP function.

Caenorhabditis elegans as a model organism to study APP function.
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DOI:
10.1007/s00221-011-2905-7
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发表时间:
2012-04
影响因子:
2
通讯作者:
Li, Chris
Li, Chris
中科院分区:
医学4区
文献类型:
--
作者:
Ewald, Collin Y.;Li, Chris

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与正常患者相比,阿尔茨海默病患者的大脑显示出老年斑数量的增加。斑块的主要成分是β-淀粉样肽,淀粉样前体蛋白(APP)的裂解产物。虽然APP的加工过程已被充分描述,但APP及其裂解产物的生理功能仍不清楚。本文综述了APP同源基因C. elegans APL-1。了解APL-1的功能有助于深入了解人AP的功能和信号通路。也审查了elegans。梭elegans系统提供了一个强大的遗传模型,以确定基因调控的分子机制,细胞内β-淀粉样肽积累。
The brains of Alzheimer's disease patients show an increased number of senile plaques compared with normal patients. The major component of the plaques is the β-amyloid peptide, a cleavage product of the amyloid precursor protein (APP). Although the processing of APP has been well-described, the physiological functions of APP and its cleavage products remain unclear. This article reviews the multifunctional roles of an APP orthologue, the C. elegans APL-1. Understanding the function of APL-1 may provide insights into the functions and signaling pathways of human APP. In addition, the physiological effects of introducing human β-amyloid peptide into C. elegans are also reviewed. The C. elegans system provides a powerful genetic model to identify genes regulating the molecular mechanisms underlying intracellular β-amyloid peptide accumulation.
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