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research
Autophagosomes cooperate in the degradation of intracellular C-terminal fragments of the amyloid precursor protein <i>via </i>the MVB/lysosomal pathway
Authors
Patricia V. Burgos
Hianara A. Bustamante
+11 more
Viviana A. Cavieres
Víctor-Hugo Cornejo
Luis L. daSilva
Alexis E. González
Ibeth González
Ronald T. Hay
Claudio Hetz
Yunan C. Januário
Gonzalo A. Mardones
Vanessa C. Muñoz
Alejandro Rojas-Fernández
Publication date
1 January 2017
Publisher
'FASEB'
Doi
Cite
Abstract
© FASEB. Brain regions affected by Alzheimer disease (AD) displaywell-recognized early neuropathologic features in the endolysosomal and autophagy systems of neurons, including enlargement of endosomal compartments, progressive accumulation of autophagic vacuoles, and lysosomal dysfunction.Although the primary causes of these disturbances are still under investigation, a growing body of evidence suggests that the amyloid precursor protein (APP) intracellular C-terminal fragment b (C99), generated by cleavage of APP by b-site APP cleaving enzyme 1 (BACE-1), is the primary cause of the endosome enlargement inADand the earliest initiator of synaptic plasticity and long-termmemory impairment. The aimof the present study was to evaluate the possible relationship between the endolysosomal degradation pathway and autophagy on the proteolytic processing and turnover of C99. We found that pharmacologic treatments that either inhibit autophagosomeformationorblock the fusionof autophagosomes to
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University of Dundee Online Publications
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Last time updated on 18/03/2023
Crossref
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info:doi/10.1096%2Ffj.20160071...
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University of Dundee Online Publications
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Repositorio Académico de la Universidad de Chile
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Last time updated on 19/04/2019