期刊
ELIFE
卷 11, 期 -, 页码 -出版社
eLIFE SCIENCES PUBL LTD
DOI: 10.7554/eLife.69802
关键词
exercise; skeletal muscle; acetylation; proteomics; mitochondria; calcium sensitivity; Human
类别
资金
- NNF Center for Basic Metabolic Research [NNF18CC0034900, NNF14CC001]
Exercise is effective in preventing and treating metabolic diseases. High-intensity interval training (HIIT) can induce changes in the proteome and acetylome of human skeletal muscle, leading to metabolic adaptations. Furthermore, HIIT increases the acetylation of mitochondrial proteins.
Exercise is an effective strategy in the prevention and treatment of metabolic diseases. Alterations in the skeletal muscle proteome, including post-translational modifications, regulate its metabolic adaptations to exercise. Here, we examined the effect of high-intensity interval training (HIIT) on the proteome and acetylome of human skeletal muscle, revealing the response of 3168 proteins and 1263 lysine acetyl-sites on 464 acetylated proteins. We identified global protein adaptations to exercise training involved in metabolism, excitation-contraction coupling, and myofibrillar calcium sensitivity. Furthermore, HIIT increased the acetylation of mitochondrial proteins, particularly those of complex V. We also highlight the regulation of exercise-responsive histone acetyl-sites. These data demonstrate the plasticity of the skeletal muscle proteome and acetylome, providing insight into the regulation of contractile, metabolic and transcriptional processes within skeletal muscle. Herein, we provide a substantial hypothesis-generating resource to stimulate further mechanistic research investigating how exercise improves metabolic health.
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