Journal
AUTOPHAGY
Volume 5, Issue 5, Pages 738-740Publisher
TAYLOR & FRANCIS INC
DOI: 10.4161/auto.5.5.8626
Keywords
macroautophagy; lysosome; neurodegeneration; amyloid beta; Alzheimer disease; pathogenesis; Drosophila
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The macroautophagy (autophagy) pathway is thought to be involved in a variety of neurodegenerative diseases, including Alzheimer disease (AD). It is not clear however, if autophagy plays a causative role, a protective role or is a consequence of the disease process itself. Using a Drosophila model of neuron-limited expression of AD-associated amyloid beta (A beta) peptides, we have demonstrated an autophagy-mediated neurodegenerative cascade that is initiated by A beta(1-42) and enhanced by aging. Our results suggest a central role for the autophagy pathway in AD type neurodegeneration and a new framework to understand seemingly unrelated AD phenotypes.
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