[Frontiers in Bioscience, Landmark, 25, 134-146, Jan 1, 2020]

Insights from Drosophila melanogaster model of Alzheimer's disease

Nguyen Trong Tue1, Tran Quoc Dat2, Luong Linh Ly3, Vu Duc Anh1, Hideki Yoshida4,5

1Faculty of Medical Technology, Hanoi Medical University, Hanoi, Vietnam, 2Center for Gene-Protein Research, Hanoi Medical University, Hanoi, Vietnam, 3 Department of Physiology, Hanoi Medical University, Hanoi, Vietnam, 4Department of Applied Biology, 5The Center for Advanced Insect Research, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto, 606-8585, Japan


1. Abstract
2. Introduction
3. Alzheimer’s disease (AD)
4. Drosophila AD models
    4.1. Aβ model
    4.2. APP/BACE1 model
    4.3. Tau model
5. A tool for screening therapeutic drugs
6. Acknowledgment
7. References


Alzheimer’s disease (AD) is a common chronic neurodegenerative disease that mainly affects the medial temporal lobe and associated neocortical structures. The disease process involves two abnormal structures, plaques and tangles, which damage and destroy nerve cells. Tangles are twisted fibers of tau protein that build up inside cells. Plaques are deposits of a protein fragment called amyloid-beta (Aβ) that accumulate in the spaces between nerve cells. Aβ derives from the amyloid precursor protein and is the main component of amyloid plaques in the AD brain. Although AD has been extensively examined, its pathogenetic mechanisms remain unclear and there are currently no effective drugs for this disorder. Many AD model systems have recently been established using Drosophila melanogaster by expressing the proteins involved in AD in the brain. These systems successfully reflect some of the symptoms associated with AD such as the onset of learning defects, age-dependent short-term memory impairment, increase of wakefulness and consolidated sleep disruption by expressing human Aβ42 or human APP/BACE in Drosophila central nervous system. We herein discuss these Drosophila AD models.


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Key Words: Alzheimer’s disease, Tauopathies, Amyloid-beta, APPL, BACE1, Drosophila

Send correspondence to: Nguyen Trong Tue, Faculty of Medical Technology, Hanoi Medical University, No. 1, Ton That Tung, DongDa, Hanoi, Vietnam, Tel: 84 902185488, Fax: 0484 48525115, E-mail: trongtue@hmu.edu.vn