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Melatonin Reverses HF Diet-induced Lipid Accumulation and Gut Microbiota Alterations: Study

Nov 16, 2018     Email"> PrintText Size

Melatonin and its metabolic product exhibit a strongly antioxidant potential. Various studies have confirmed that melatonin exerts regulatory effects on glucose metabolism, immune function and lipid metabolism.

Studies indicated that gut microbiota between obese and lean subjects showed significant difference, and melatonin could improve the richness and diversity of gut microbiota. While, no evidence has validated that gut microbiota mediated the anti-obese effect of melatonin.

Researchers in the Institute of Subtropical Agriculture (ISA) of the Chinese Academy of Sciences conducted a series of experiment to explore the underlying mechanism of gut microbiota and SCFAs in the anti-obese effect of melatonin in HF diet-fed mice.

In their studies, ICR female mice were treated by melatonin, melatonin supplementation for antibiotic, gut microbiota transplantation and Sodium acetate.

The researchers found that melatonin improved lipid metabolism and reversed gut microbiota compositions, especially for the relative abundances of Firmicutes to Bacteroidetes at the phylum level.

Gut microbiota participated in the melatonin benefits on lipid dysmetabolism induced by HF diet. HF diet and sodium acetate treatment exhibited a similar anti-obese effect.

"Our findings suggest that the effect of melatonin on lipid metabolism is subsequent to its effect on gut microbiota and acetate acid production," said YIN Jie, a researcher in ISA.

The study entitled "Melatonin reprogramming of gut microbiota improves lipid dysmetabolism in high fat diet-fed mice" was published in Journal of Pineal Research.

The research was supported by the National Key Research and Development Program of China, Key Programs of frontier scientific research of the Chinese Academy of Sciences, Hunan Key Research Program, National Natural Science Foundation of China, and Hunan Natural Science Foundation.

(Editor: LI Yuan)

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