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Long-Chain Bases from Sea Cucumber Alleviate Obesity by Modulating Gut Microbiota

Author:
Hu, Shiwei, Xu, Yangli, Gao, Xiang, Li, Shijie, Jiang, Wei, Liu, Yu, Su, Laijin, Yang, Huicheng
Source:
Marine drugs 2019 v.17 no.8
ISSN:
1660-3397
Subject:
Bacteroides, Bifidobacterium, G-protein coupled receptors, Holothuroidea, Lactobacillus, Proteobacteria, Verrucomicrobia, adipokines, bacteria, blood serum, dietary supplements, digestive system, humans, hyperglycemia, intestinal microorganisms, mice, obesity, short chain fatty acids
Abstract:
This study evaluated the effects of long-chain bases from sea cucumber (SC-LCBs) on modulation of the gut microbiota and inhibition of obesity in high fat diet-fed mice. Results showed that SC-LCBs exerted significant antiobese effects, which were associated with the inhibition of hyperglycemia and lipid accumulation. SC-LCBs also regulated serum adipocytokines toward to normal levels. SC-LCBs caused significant decreases in Firmicutes, Actinobacteria phylum, and obesity-related bacteria (Desulfovibro, Bifidobacterium, Romboutsia etc. genus). SC-LCBs also elevated Bacteroidetes, Proteobacteria, Verrucomicrobia phylum, and short chain fatty acids (SCFAs)-producing bacteria (Bacteroides, Lactobacillus, Lachnospiraceae_NK4A136_group etc. genus). Moreover, serum and fecal lipoplysaccharide (LPS) concentrations and its dependent toll-line receptor 4 pathway were inhibited by SC-LCBs treatment. SC-LCBs caused increases in fecal SCFAs and their mediated G-protein-coupled receptors proteins. These suggest that SC-LCBs alleviate obesity by altering gut microbiota. Thus, it sought to indicate that SC-LCBs can be developed as food supplement for the obesity control and the human gut health.
Agid:
6604992