Anthocyanins from blueberry and blackberry ameliorate metabolic syndrome by Prevotella histicola and acetic acid.
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Key Findings
Abstract
Metabolic syndrome (MetS) is a globally prevalent disorder and poses a significant threat to human health and social harmony. Consumption of anthocyanins has been proven to improve disrupted gut microbiota and obesity in mice and humans. However, the potential specific gut microbiota and metabolites that might mediate these beneficial effects on MetS remain unknown. Here, the MetS-mice model, induced by a high-fat diet (HFD), was employed to investigate the specific effects of ACNs. Additionally, 16S rRNA sequencing and targeted metabolomics analysis of short-chain fatty acids (SCFAs) were utilized to evaluate the influence on gut microbiota composition and SCFAs levels. More importantly, we also utilized antibiotics to construct a pseudo-germ-free mouse model for fecal microbiota transplantation (FMT) to further confirm the regulation of gut microbiota by ACNs and demonstrating that the related effects on MetS could be transferable through FMT. Our data demonstrated that the amelioration of MetS by ACNs might be achieved through modulation of the gut microbiota, which was validated through FMT, and the related benefits could be transferable by FMT. Furthermore, acetic acid and Prevotella histicola might be key microbial metabolites and bacteria, respectively, in this process. These findings highlight the diet-gut-metabolites-diseases system crosstalk and provide new research perspectives for plant-derived ingredients with poor bioavailability.
Affiliation
Lanlan Du
External References
- PubMed ID:
- 40730543
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