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KMID : 1130220190230030105
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Annals of Geriatric Medicine and Research
2019 Volume.23 No. 3 p.105 ~ p.114
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Exercise, the Gut Microbiome, and Frailty
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Shin Hyung-Eun
Kwak Seong-Eun
Lee Ji-Hyun
Zhang Didi
Bae Jun-Hyun
Song Wook
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Abstract
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The gut microbiome is deeply associated with both skeletal muscle and brain function. In particular, gut microbiome dysbiosis may accelerate age-related diseases by affecting these systems. Although there is increasing evidence of the correlations between the gut microbiome and skeletal muscle and brain, it remains unclear whether changes in the gut microbiome due to exercise training can lead to healthy aging. This review covers the current status of gut microbiome-related research and future directions related to aging (e.g., physical frailty and cognitive dysfunction) as well as the effect of exercise training on both. We reviewed relevant literature including original articles and reviews identified from searches of the PubMed, Google Scholar, SCOPUS, EBSCOHost, ScienceDirect, Cochrane Library, and EMBASE databases using the following terms: ‘gut microbiome’, ‘exercise’, ‘physical frailty’, and ‘cognitive dysfunction’. We identified a strong positive correlation between cognitive dysfunction or physical frailty and the gut microbiome. Furthermore, exercise had a significant effect on the composition of the gut microbiome. These results suggest that exercise training can prevent physical frailty or cognitive dysfunction by altering the gut microbiome. However, the exact mechanism by which these effects occur is not yet clear. Further studies are needed to determine whether exercise training can prevent age-related diseases by balancing the gut microbiome.
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KEYWORD
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Gastrointestinal microbiome, Frailty, Cognitive dysfunction, Exercise, Short chain fatty acids
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