Hypoglycemic mechanism of Tegillarca granosa polysaccharides on type 2 diabetic mice by altering gut microbiota and regulating the PI3K-akt signaling pathwaye
文献类型： 外文期刊
作者： Jiang, Qihong 1 ; Chen, Lin 4 ; Wang, Rui 1 ; Chen, Yin 5 ; Deng, Shanggui 5 ; Shen, Guoxin 4 ; Liu, Shulai 1 ; Xiang, Xingwei 1 ;
作者机构： 1.Zhejiang Univ Technol, Coll Food Sci & Technol, Hangzhou 310014, Peoples R China
2.Key Lab Marine Fishery Resources Exploitment & Uti, Hangzhou 310014, Peoples R China
3.Natl R&D Branch Ctr Pelag Aquat Prod Proc Hangzhou, Hangzhou 310014, Peoples R China
4.Zhejiang Acad Agr Sci, Inst Sericultural & Tea, Hangzhou 310021, Peoples R China
5.Zhejiang Ocean Univ, Coll Food & Pharm, Zhoushan 316000, Peoples R China
关键词： Tegillarca granosa polysaccharide; Type 2 diabetes mellitus; Glycolipid metabolism; PI3K/Akt signaling pathway
期刊名称：FOOD SCIENCE AND HUMAN WELLNESS （ 影响因子：7.0； 五年影响因子：8.3 ）
ISSN：
年卷期： 2024 年 13 卷 2 期
页码：
收录情况： SCI
摘要： Type 2 diabetes mellitus (T2DM) is a complex metabolic disease threatening human health. We investigated the effects of Tegillarca granosa polysaccharide (TGP) and determined its potential mechanisms in a mouse model of T2DM established through a high-fat diet and streptozotocin. TGP (5.1 x 103 Da) was composed of mannose, glucosamine, rhamnose, glucuronic acid, galactosamine, glucose, galactose, xylose, and fucose. It could significantly alleviate weight loss, reduce fasting blood glucose levels, reverse dyslipidemia, reduce liver damage from oxidative stress, and improve insulin sensitivity. RT-PCR and Western blotting indicated that TGP could activate the phosphatidylinositol-3-kinase/protein kinase B signaling pathway to regulate disorders in glucolipid metabolism and improve insulin resistance. TGP increased the abundance of Allobaculum, Akkermansia, and Bifidobacterium, restored the microbiota abundance in the intestinal tracts of mice with T2DM, and promoted short-chain fatty acid production. This study provides new insights into the antidiabetic effects of TGP and highlights its potential as a natural hypoglycemic nutraceutical. (c) 2024 Beijing Academy of Food Sciences. Publishing services by Tsinghua University Press. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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