Relationship Between β-Amyloid and Mitochondrial Dynamics |
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Authors: | Dah Ihm Kim Ki Hoon Lee Ji Young Oh Jun Sung Kim Ho Jae Han |
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Institution: | 1.Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science,Seoul National University,Seoul,South Korea;2.Department of Agricultural Biotechnology, Animal Biotechnology Major, and Research Institute of Agriculture and Life Science,Seoul National University,Seoul,South Korea;3.BK21 PLUS Creative Veterinary Research Center,Seoul National University,Seoul,South Korea |
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Abstract: | Mitochondria as dynamic organelles undergo morphological changes through the processes of fission and fusion which are major factors regulating their functions. A disruption in the balance of mitochondrial dynamics induces functional disorders in mitochondria such as failed energy production and the generation of reactive oxygen species, which are closely related to pathophysiological changes associated with Alzheimer’s disease (AD). Recent studies have demonstrated a relationship between abnormalities in mitochondrial dynamics and impaired mitochondrial function, clarifying the effects of morphofunctional aberrations which promote neuronal cell death in AD. Several possible signaling pathways have been suggested for a better understanding of the mechanism behind the key molecules regulating mitochondrial morphologies. However, the exact machinery involved in mitochondrial dynamics still has yet to be elucidated. This paper reviews the current knowledge on signaling mechanisms involved in mitochondrial dynamics and the significance of mitochondrial dynamics in controlling associated functions in neurodegenerative diseases, particularly in AD. |
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