Journal
MOLECULAR NUTRITION & FOOD RESEARCH
Volume 66, Issue 14, Pages -Publisher
WILEY
DOI: 10.1002/mnfr.202100948
Keywords
fecal microbiota transplantation; flavonoid compound; inflammation; intestinal flora; obesity
Categories
Funding
- National Natural Science Foundation of China [81970713, 82170817]
- Beijing Municipal Natural Science Foundation of China [7222160]
- Capital's Funds for Health Improvement and Research [2018-2-4062]
- Joint Project of BRC-BC (Biomedical Translational Engineering Research Center of BUCT-CJFH) [XK2020-10]
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Rutin supplementation can alleviate obesity and metabolic disorders induced by high-fat diet through modulating the composition of intestinal flora. Rutin supplementation reduces body-weight gain, improves insulin resistance, and acts favorably on intestinal barrier, reducing endotoxemia and systemic inflammation. Antibiotic treatment and fecal microbiota transplantation demonstrate the importance of intestinal flora in the beneficial effects of rutin on obesity control.
Scope Intestinal flora plays a critical role in the development of . Rutin is a natural flavonoid with potential prebiotic effects on regulating the intestinal flora composition that is beneficial for host health. Therefore, this study hypothesizes that rutin supplementation has beneficial effects on high-fat-diet (HFD)-induced obesity and metabolic disorder through the modulation of intestinal flora in mice. Methods and results The obesity-alleviating property of rutin using 6-week-old C57BL/6J male mice fed on HFD with or without rutin supplementation for 16 weeks is investigated. Rutin supplementation effectively reduces body-weight gain, insulin resistance, and acted favorably on the intestinal barrier, thereby reducing endotoxemia and systemic inflammation. Sequencing of 16S rRNA genes from fecal samples indicate that rutin exerted modulatory effects on HFD-induced intestinal flora disorders (e.g., rutin decreased Firmicutes abundance and increased Bacteroidetes and Verrucomicrobia abundance). Antibiotic treatment and fecal microbiota transplantation further demonstrate that the salutary effects of rutin on obesity control are strongly dependent on the intestinal flora. Conclusion Rutin can be considered as a prebiotic agent for improving intestinal flora disorders and obesity-associated metabolic perturbations in obese individuals.
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