Recent advances in mitochondrial turnover during chronic muscle disuse

Chronic muscle disuse, such as that resulting from immobilization, denervation, or prolonged physical inactivity, produces atrophy and a loss of mitochondria, yet the molecular relationship between these events is not fully understood. In this review we attempt to identify the key regulatory steps m...

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Bibliographic Details
Main Authors: Liam D. Tryon, Anna Vainshtein, Jonathan M. Memme, Matthew J. Crilly, David A. Hood
Format: Article
Language:English
Published: Elsevier 2014-12-01
Series:Integrative Medicine Research
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Online Access:http://www.sciencedirect.com/science/article/pii/S221342201400064X
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Summary:Chronic muscle disuse, such as that resulting from immobilization, denervation, or prolonged physical inactivity, produces atrophy and a loss of mitochondria, yet the molecular relationship between these events is not fully understood. In this review we attempt to identify the key regulatory steps mediating the loss of muscle mass and the decline in mitochondrial content and function. An understanding of common intracellular signaling pathways may provide much-needed insight into the possible therapeutic targets for treatments that will maintain aerobic energy metabolism and preserve muscle mass during disuse conditions.
ISSN:2213-4220