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Amyloid-β-Induced Mitochondrial Dysfunction

Amyloid-β-Induced Mitochondrial Dysfunction As an important molecule in the pathogenesis of Alzheimer's disease (AD), amyloid-β (Aβ) interferes with multiple aspects of mitochondrial function, including energy metabolism failure, production of reactive oxygen species (ROS) and permeability transition pore formation. Recent studies have demonstrated that Aβ progressively accumulates within mitochondrial matrix, providing a direct link to mitochondrial toxicity. Aβ-binding alcohol dehydrogenase (ABAD) is localized to the mitochondrial matrix and binds to mitochondrial Aβ. Interaction of ABAD with Aβ exaggerates Aβ-mediated mitochondrial and neuronal perturbation, leading to impaired synaptic function, and dysfunctional spatial learning/memory. Thus, blockade of ABAD/Aβ interaction may be a potential therapeutic strategy for AD. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Alzheimer's Disease IOS Press

Amyloid-β-Induced Mitochondrial Dysfunction

Journal of Alzheimer's Disease , Volume 12 (2): 8 – Jan 1, 1

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References (59)

Publisher
IOS Press
Copyright
IOS Press and the authors. All rights reserved
ISSN
1387-2877
eISSN
1875-8908
DOI
10.3233/jad-2007-12208
Publisher site
See Article on Publisher Site

Abstract

As an important molecule in the pathogenesis of Alzheimer's disease (AD), amyloid-β (Aβ) interferes with multiple aspects of mitochondrial function, including energy metabolism failure, production of reactive oxygen species (ROS) and permeability transition pore formation. Recent studies have demonstrated that Aβ progressively accumulates within mitochondrial matrix, providing a direct link to mitochondrial toxicity. Aβ-binding alcohol dehydrogenase (ABAD) is localized to the mitochondrial matrix and binds to mitochondrial Aβ. Interaction of ABAD with Aβ exaggerates Aβ-mediated mitochondrial and neuronal perturbation, leading to impaired synaptic function, and dysfunctional spatial learning/memory. Thus, blockade of ABAD/Aβ interaction may be a potential therapeutic strategy for AD.

Journal

Journal of Alzheimer's DiseaseIOS Press

Published: Jan 1, 1

Keywords: Alzheimer's disease; amyloid-β; mitochondria; energy metabolism; ABAD

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