Regulatory mechanisms of muscle fiber types and their possible interactions with external nutritional stimuli

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概要

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• In this review, we briefly summarize muscle fiber types and mechanisms that regulate their expression from nutritional stimulus. To begin with, we introduce genes and their location on myosin heavy chains (MyHC). Next, we show three major transcriptional controls for MyHCs as (1) calcium signaling, (2) AMPK signaling, and (3) miRNA/anti-sense RNA regulations. Following this, we summarize possible nutrients that effect muscle fiber type transformation. The possible contributors are caloric restriction, polyphenols, and high-fat and high-protein diets. We think that nutritional intervention will be a useful way to control muscle fiber type switching. This approach could be adopted by athletes as a means to condition their muscles.

• The Japanese Society of Physical Fitness and Sports Medicineの論文

著者

• Nakazato Koichi

  Department Of Exercise Physiology Graduate School Of Health And Sport Science Nippon Sport Science U

• Nakazato Koichi

  Department of Exercise Physiology, Nippon Sport Science University

• Tsutaki Arata

  Department of Exercise Physiology, Nippon Sport Science University

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