Intracellular compartmentalization of skeletal muscle glycogen metabolism and insulin signalling

Clara Prats Gavalda; Alba Gomez-Cabello; Andreas  Vigelsø Hansen

doi:10.1113/expphysiol.2010.052860

Intracellular compartmentalization of skeletal muscle glycogen metabolism and insulin signalling

Clara Prats Gavalda, Alba Gomez-Cabello, Andreas Vigelsø Hansen

17 Citations (Scopus)

Abstract

The interest in skeletal muscle metabolism and insulin signalling has increased exponentially in recent years as a consequence of their role in the development of type 2 diabetes mellitus. Despite this, the exact mechanisms involved in the regulation of skeletal muscle glycogen metabolism and insulin signalling transduction remain elusive. We believe that one of the reasons is that the role of intracellular compartmentalization as a regulator of metabolic pathways and signalling transduction has been rather ignored. This paper briefly reviews the literature to discuss the role of intracellular compartmentalization in the regulation of skeletal muscle glycogen metabolism and insulin signalling. As a result, a hypothetical regulatory mechanism is proposed by which cells could direct glycogen resynthesis towards different pools of glycogen particles depending on the metabolic needs. Furthermore, we discuss the role of skeletal muscle transverse tubules as potential modulators of tissue insulin responsiveness.

Original language	English
Journal	Experimental Physiology
Volume	96
Issue number	4
Pages (from-to)	385-390
Number of pages	6
ISSN	0958-0670
DOIs	https://doi.org/10.1113/expphysiol.2010.052860
Publication status	Published - Apr 2011

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10.1113/expphysiol.2010.052860

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abstract = "The interest in skeletal muscle metabolism and insulin signalling has increased exponentially in recent years as a consequence of their role in the development of type 2 diabetes mellitus. Despite this, the exact mechanisms involved in the regulation of skeletal muscle glycogen metabolism and insulin signalling transduction remain elusive. We believe that one of the reasons is that the role of intracellular compartmentalization as a regulator of metabolic pathways and signalling transduction has been rather ignored. This paper briefly reviews the literature to discuss the role of intracellular compartmentalization in the regulation of skeletal muscle glycogen metabolism and insulin signalling. As a result, a hypothetical regulatory mechanism is proposed by which cells could direct glycogen resynthesis towards different pools of glycogen particles depending on the metabolic needs. Furthermore, we discuss the role of skeletal muscle transverse tubules as potential modulators of tissue insulin responsiveness. ",

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AU - Prats Gavalda, Clara

AU - Gomez-Cabello, Alba

AU - Vigelsø Hansen, Andreas

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N2 - The interest in skeletal muscle metabolism and insulin signalling has increased exponentially in recent years as a consequence of their role in the development of type 2 diabetes mellitus. Despite this, the exact mechanisms involved in the regulation of skeletal muscle glycogen metabolism and insulin signalling transduction remain elusive. We believe that one of the reasons is that the role of intracellular compartmentalization as a regulator of metabolic pathways and signalling transduction has been rather ignored. This paper briefly reviews the literature to discuss the role of intracellular compartmentalization in the regulation of skeletal muscle glycogen metabolism and insulin signalling. As a result, a hypothetical regulatory mechanism is proposed by which cells could direct glycogen resynthesis towards different pools of glycogen particles depending on the metabolic needs. Furthermore, we discuss the role of skeletal muscle transverse tubules as potential modulators of tissue insulin responsiveness.

AB - The interest in skeletal muscle metabolism and insulin signalling has increased exponentially in recent years as a consequence of their role in the development of type 2 diabetes mellitus. Despite this, the exact mechanisms involved in the regulation of skeletal muscle glycogen metabolism and insulin signalling transduction remain elusive. We believe that one of the reasons is that the role of intracellular compartmentalization as a regulator of metabolic pathways and signalling transduction has been rather ignored. This paper briefly reviews the literature to discuss the role of intracellular compartmentalization in the regulation of skeletal muscle glycogen metabolism and insulin signalling. As a result, a hypothetical regulatory mechanism is proposed by which cells could direct glycogen resynthesis towards different pools of glycogen particles depending on the metabolic needs. Furthermore, we discuss the role of skeletal muscle transverse tubules as potential modulators of tissue insulin responsiveness.

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JF - Experimental Physiology

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Intracellular compartmentalization of skeletal muscle glycogen metabolism and insulin signalling

Abstract

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