Astragalus Polysaccharide Modulates the Gut Microbiota and Metabolites of Patients with Type 2 Diabetes in an In Vitro Fermentation Model
文献类型： 外文期刊
作者： Zhang, Xin 1 ; Jia, Lina 1 ; Ma, Qian 1 ; Zhang, Xiaoyuan 3 ; Chen, Mian 3 ; Liu, Fei 3 ; Zhang, Tongcun 1 ; Jia, Weiguo 4 ; Zhu, Liying 5 ; Qi, Wei 1 ; Wang, Nan 1 ;
作者机构： 1.Tianjin Univ Sci & Technol, Coll Biotechnol, Tianjin 300457, Peoples R China
2.Minist Educ & Tianjin, Key Lab Ind Fermentat Microbiol, Tianjin 300457, Peoples R China
3.Shandong Acad Pharmaceut Sci, Key Lab Biopharmaceut, Engn Lab Polysaccharide Drugs, Natl Local Joint Engn Lab Polysaccharide Drugs,Pos, Jinan, Peoples R China
4.Sichuan Univ, West China Hosp, Ctr Gerontol & Geriatr, Natl Clin Res Ctr Geriatr, Chengdu 610041, Peoples R China
5.Zhejiang Acad Agr Sci, Inst Food Sci, Hangzhou 310021, Peoples R China
关键词： Astragalus polysaccharide; type 2 diabetes mellitus; fecal microbiota; metabolites
期刊名称：NUTRIENTS （ 影响因子：4.8； 五年影响因子：5.8 ）
ISSN：
年卷期： 2024 年 16 卷 11 期
页码：
收录情况： SCI
摘要： This study investigated the effect of astragalus polysaccharide (APS, an ingredient with hypoglycemic function in a traditional Chinese herbal medicine) on gut microbiota and metabolites of type 2 diabetes mellitus (T2DM) patients using a simulated fermentation model in vitro. The main components of APS were isolated, purified, and structure characterized. APS fermentation was found to increase the abundance of Lactobacillus and Bifidobacterium and decrease the Escherichia-Shigella level in the fecal microbiota of T2DM patients. Apart from increasing propionic acid, APS also caused an increase in all-trans-retinoic acid and thiamine (both have antioxidant properties), with their enrichment in the KEGG pathway associated with thiamine metabolism, etc. Notably, APS could also enhance fecal antioxidant properties. Correlation analysis confirmed a significant positive correlation of Lactobacillus with thiamine and DPPH-clearance rate, suggesting the antioxidant activity of APS was related to its ability to enrich some specific bacteria and upregulate their metabolites.
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