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Australian Catholic University

Skeletal muscle

Theses/Dissertations

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Autophagy And Protein Turnover Responses To Exercise-Nutrient Interactions In Human Skeletal Muscle, William J. Smiles Jun 2017

Autophagy And Protein Turnover Responses To Exercise-Nutrient Interactions In Human Skeletal Muscle, William J. Smiles

Theses

Skeletal muscle is a dynamic tissue comprising the largest protein reservoir of the human body with a rate of turnover of ~1-2% per day. Protein turnover is regulated by the coordination of intracellular systems regulating protein synthesis and breakdown that converge in a spatiotemporal manner on lysosomal organelles responsible for integrating a variety of contractile and nutritional stimuli. One such system, autophagy, which literally means to ‘self-eat,’ involves capturing of cellular material for deliver to, and disintegration by, the lysosome. The autophagic ‘cargo’ is subsequently recycled for use in synthetic reactions and thus maintenance of protein balance. As a dynamic ...