The metabolic benefits associated with long-term physical activity are well appreciated and growing evidence suggests that it involves the gut microbiota.Here we re-evaluated the link between exercise-induced microbia...The metabolic benefits associated with long-term physical activity are well appreciated and growing evidence suggests that it involves the gut microbiota.Here we re-evaluated the link between exercise-induced microbial changes and those associated with prediabetes and diabetes.We found that the relative abundances of substantial amounts of diabetes-associated metagenomic species associated negatively with physical fitness in a Chinese athlete students cohort.We additionally showed that those microbial changes correlated more with handgrip strength,a simple but valuable biomarker suggestive of the diabetes states,than maximum oxygen intake,one of the key surrogates for endurance training.Moreover,the causal relationships among exercise,risks for diabetes,and gut microbiota were explored based on mediation analysis.We propose that the protective roles of exercise against type 2 diabetes are mediated,at least partly,by the gut microbiota.展开更多
基金supported in part by the National Key Research and Development Program of China(2020YFA0803800,2019YFA0801900,2018YFA0800300,and 2022YFA0806400)the National Natural Science Foundation of China(31971097,31671242,32150610475,and 31971074)+4 种基金Innovation Team and Talents Cultivation Program of National Administration of Traditional Chinese Medicine(ZYYCXTD-D-202001)Shanghai Frontiers Science Research Base of Exercise and Metabolic Healththe Construction Project of High-Level Local Universities in ShanghaiShanghai“Science and Technology Innovation Action Plan”Social Development Science and Technology Reach Project(22dz1204600)Shanghai Municipal Science and Technology Major Project(2017SHZDZX01)。
文摘The metabolic benefits associated with long-term physical activity are well appreciated and growing evidence suggests that it involves the gut microbiota.Here we re-evaluated the link between exercise-induced microbial changes and those associated with prediabetes and diabetes.We found that the relative abundances of substantial amounts of diabetes-associated metagenomic species associated negatively with physical fitness in a Chinese athlete students cohort.We additionally showed that those microbial changes correlated more with handgrip strength,a simple but valuable biomarker suggestive of the diabetes states,than maximum oxygen intake,one of the key surrogates for endurance training.Moreover,the causal relationships among exercise,risks for diabetes,and gut microbiota were explored based on mediation analysis.We propose that the protective roles of exercise against type 2 diabetes are mediated,at least partly,by the gut microbiota.