Mitochondria as a Potential Regulator of Myogenesis

Recent studies have shown that mitochondria play a role in the regulation of myogenesis. Indeed, the abundance, morphology, and functional properties of mitochondria become altered when the myoblasts differentiate into myotubes. For example, mitochondrial mass/volume, mtDNA copy number, and mitochon...

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Main Authors: Akira Wagatsuma, Kunihiro Sakuma
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1155/2013/593267
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author Akira Wagatsuma
Kunihiro Sakuma
author_facet Akira Wagatsuma
Kunihiro Sakuma
author_sort Akira Wagatsuma
collection DOAJ
description Recent studies have shown that mitochondria play a role in the regulation of myogenesis. Indeed, the abundance, morphology, and functional properties of mitochondria become altered when the myoblasts differentiate into myotubes. For example, mitochondrial mass/volume, mtDNA copy number, and mitochondrial respiration are markedly increased after the onset of myogenic differentiation. Besides, mitochondrial enzyme activity is also increased, suggesting that the metabolic shift from glycolysis to oxidative phosphorylation as the major energy source occurs during myogenic differentiation. Several lines of evidence suggest that impairment of mitochondrial function and activity blocks myogenic differentiation. However, yet little is known about the molecular mechanisms underlying the regulation of myogenesis by mitochondria. Understanding how mitochondria are involved in myogenesis will provide a valuable insight into the underlying mechanisms that regulate the maintenance of cellular homeostasis. Here, we will summarize the current knowledge regarding the role of mitochondria as a potential regulator of myogenesis.
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spelling doaj-art-720348336c4f4208a51149ce69c8b7112025-02-03T01:26:09ZengWileyThe Scientific World Journal1537-744X2013-01-01201310.1155/2013/593267593267Mitochondria as a Potential Regulator of MyogenesisAkira Wagatsuma0Kunihiro Sakuma1Graduate School of Information Science and Technology, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, JapanResearch Center for Physical Fitness, Sports and Health, Toyohashi University of Technology, 1-1 Hibarigaoka, Tenpaku-cho, Toyohashi 441-8580, JapanRecent studies have shown that mitochondria play a role in the regulation of myogenesis. Indeed, the abundance, morphology, and functional properties of mitochondria become altered when the myoblasts differentiate into myotubes. For example, mitochondrial mass/volume, mtDNA copy number, and mitochondrial respiration are markedly increased after the onset of myogenic differentiation. Besides, mitochondrial enzyme activity is also increased, suggesting that the metabolic shift from glycolysis to oxidative phosphorylation as the major energy source occurs during myogenic differentiation. Several lines of evidence suggest that impairment of mitochondrial function and activity blocks myogenic differentiation. However, yet little is known about the molecular mechanisms underlying the regulation of myogenesis by mitochondria. Understanding how mitochondria are involved in myogenesis will provide a valuable insight into the underlying mechanisms that regulate the maintenance of cellular homeostasis. Here, we will summarize the current knowledge regarding the role of mitochondria as a potential regulator of myogenesis.http://dx.doi.org/10.1155/2013/593267
spellingShingle Akira Wagatsuma
Kunihiro Sakuma
Mitochondria as a Potential Regulator of Myogenesis
The Scientific World Journal
title Mitochondria as a Potential Regulator of Myogenesis
title_full Mitochondria as a Potential Regulator of Myogenesis
title_fullStr Mitochondria as a Potential Regulator of Myogenesis
title_full_unstemmed Mitochondria as a Potential Regulator of Myogenesis
title_short Mitochondria as a Potential Regulator of Myogenesis
title_sort mitochondria as a potential regulator of myogenesis
url http://dx.doi.org/10.1155/2013/593267
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