MDG, an Ophiopogon japonicus polysaccharide, inhibits non-alcoholic fatty liver disease by regulating the abundance of Akkermansia muciniphila
International Journal of Biological Macromolecules(2022)
摘要
MDG, a polysaccharide derived from Ophiopogon japonicus, displays a protective effect against obesity and non-alcoholic fatty liver disease (NAFLD). However, there is no definitive evidence proving the specific mechanism of MDG against NAFLD. The results showed MDG supplementation ameliorated lipid accumulation, liver steatosis, and chronic inflammation in high-fat diet-induced NAFLD mice. Besides, MDG increased the abundance and diversity of microbial communities in the gut. These effects were mediated by the colonization of fecal microbiota. Further investigation revealed that Akkermansia muciniphila levels correlated negatively with NAFLD development, and lipid metabolism-related signaling might be the key regulator. Our study suggested that MDG treatment could inhibit obesity and the NAFLD process by modulating lipid-related pathways via altering the structure and diversity of gut microbiota. In addition, Akkermansia miniciphila might be a promising candidate in future research into NAFLD.
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关键词
Ophiopogon japonicus polysaccharides,Non-alcoholic fatty liver,Gut microbiota,Fecal microbiota transplantation,Akkermansia municiphila
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