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果蝇早老素基因的研究进展

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  • 上海大学生命科学学院, 上海 200444

收稿日期: 2011-01-11

  修回日期: 2011-03-17

  网络出版日期: 2011-11-25

基金资助

上海市教委科研创新项目(编号:09YZ38), 上海市科委重点基础项目(编号:10JC1416202)和上海市教育委员会重点学科(第五期)建设项目(编号:J50108)资助

Advances on Drosophila presenilin gene

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  • College of Life Sciences, Shanghai University, Shanghai 200444, China

Received date: 2011-01-11

  Revised date: 2011-03-17

  Online published: 2011-11-25

摘要

果蝇早老素(Drosophila presenilin, DPS)是一种具有天冬氨酸水解酶活性的蛋白, 在果蝇生长发育的各阶段都有表达, 对果蝇的生长发育和调节胞内Ca2+ 平衡具有重要的作用。果蝇早老素功能的缺失能够导致Notch信号下降、神经元凋亡和胞质钙浓度上升, 最终造成果蝇长时程记忆损伤和认识丧失。果蝇早老素的这些功能使之成为研究果蝇阿尔茨海默病(Alzheimer’s disease, AD)模型最重要的着手点之一, 为阐明AD的病理提供了大量有价值的信息。文章概述了DPS基因与AD相关的功能。

本文引用格式

张玉,郑增长,葛军,张鸿雁,黄延旺,宋红生 . 果蝇早老素基因的研究进展[J]. 遗传, 2011 , 33(11) : 1164 -1170 . DOI: 10.3724/SP.J.1005.2011.01164

Abstract

In Drosophila, presenilin is an aspartyl protease that plays important roles in the development and calcium homeostasis. It has been expressed all through the fly developmental process. The loss of Drosophila presenilin (DPS) function causes significantly decreased Notch signaling and neuron apoptosis and increased cytoplasm calcium. This subsequently led to impaired long term memory and cognitive deficits. Therefore, study of DPS is one of the most popular models for Alzheimer’s disease research, and has provided important insights into the pathological mechanisms of AD. This review is to summarize the AD related function of DPS gene.

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