4.8 Article

Hyocholic acid species as novel biomarkers for metabolic disorders

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NATURE COMMUNICATIONS
卷 12, 期 1, 页码 -

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NATURE RESEARCH
DOI: 10.1038/s41467-021-21744-w

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资金

  1. National Natural Science Foundation of China [31972935]
  2. National Key R&D Program of China [2019YFA0802300]
  3. Shanghai Municipal Commission of Science and Technology [18DZ2260200]

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The study shows that the association of HCA species with diabetes, the circulating concentration of HCA species is decreased in the context of obesity and diabetes and increased after gastric bypass surgery in humans, and further that serum HCA species are predictive of metabolic outcomes in healthy individuals.
Hyocholic acid (HCA) is a major bile acid (BA) species in the BA pool of pigs, a species known for its exceptional resistance to spontaneous development of diabetic phenotypes. HCA and its derivatives are also present in human blood and urine. We investigate whether human HCA profiles can predict the development of metabolic disorders. We find in the first cohort (n=1107) that both obesity and diabetes are associated with lower serum concentrations of HCA species. A separate cohort study (n=91) validates this finding and further reveals that individuals with pre-diabetes are associated with lower levels of HCA species in feces. Serum HCA levels increase in the patients after gastric bypass surgery (n=38) and can predict the remission of diabetes two years after surgery. The results are replicated in two independent, prospective cohorts (n=132 and n=207), where serum HCA species are found to be strong predictors for metabolic disorders in 5 and 10 years, respectively. These findings underscore the association of HCA species with diabetes, and demonstrate the feasibility of using HCA profiles to assess the future risk of developing metabolic abnormalities. The early identification of metabolic disorders could improve or prevent overt disease. Here the authors show that the circulating concentration of hyocholic acid (HCA) species is decreased in the context of obesity and diabetes and increased after gastric bypass surgery in humans, and further that serum HCA species are predictive of metabolic outcomes in healthy individuals.

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