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Finelli, A., Kelkar, A., Song, H.J., Yang, H., Konsolaki, M. (2004). A model for studying Alzheimer's Abeta42-induced toxicity in Drosophila melanogaster.  Mol. Cell. Neurosci. 26(3): 365--375.
FlyBase ID
FBrf0179205
Publication Type
Research paper
Abstract

Alzheimer's disease is a neurological disorder resulting in the degeneration and death of brain neurons controlling memory, cognition and behavior. Although overproduction of Abeta peptides is widely considered a causative event in the disease, the mechanisms by which Abeta peptides cause neurodegeneration and the processes of Abeta clearance and degradation remain unclear. To address these issues, we have expressed the Abeta peptides in Drosophila melanogaster. We show that overexpression of Abeta42 peptides in the nervous system results in phenotypes associated with neuronal degeneration in a dose- and age-dependent manner. We further show that a mutation in a Drosophila neprilysin gene suppresses the Abeta42 phenotypes by lowering the levels of the Abeta42 peptide, supporting the role of neprilysin in the catabolism of Abeta peptides in vivo. We propose that our Drosophila model is suitable for the study and elucidation of Abeta metabolism and toxicity at the genetic level.

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    Language of Publication
    English
    Additional Languages of Abstract
    Parent Publication
    Publication Type
    Journal
    Abbreviation
    Mol. Cell. Neurosci.
    Title
    Molecular and Cellular Neurosciences
    Publication Year
    1990-
    ISBN/ISSN
    1044-7431
    Data From Reference