期刊
FOOD & FUNCTION
卷 13, 期 3, 页码 1218-1231出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1fo02079j
关键词
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资金
- Key Research and Development Program of Jiangxi Province [20192ACB60008]
- Interdisciplinary Integration to Promote the High-quality Development of Juncao Science and Industry [XKJC-712021030]
- Major Special Project of Fujian Province [2021NZ0101]
- Science and Technology Planning Project of Fujian Province [2021L3007]
- Ji'an Major Science and Technology Project [[2019]55]
The study demonstrates that the combination of APS and LGG as prebiotics can delay aging-related oxidative stress by reducing liver oxidation and lipid metabolism, as well as regulating gut microbiota.
This study aimed to investigate the potential anti-aging mechanisms of Agrocybe cylindracea crude polysaccharides (APS), when used synergistically with Lactobacillus rhamnosus GG (APS + LGG) in a d-galactose-induced aging mouse model. In the Morris water maze test, APS + LGG showed a significantly higher memory and learning capacity compared to untreated, APS only treated and LGG treated mice. This was thought to be mediated by increased levels of brain-derived neurotrophic factor, which decreased escape latency. In addition to this, in the aging mouse model, APS + LGG co-treatment markedly alleviated liver oxidation and metabolism by enhancing the antioxidant activity of enzymes; this decreased the lipid metabolism and peroxidation levels. Furthermore, high throughput sequencing analysis revealed that an APS + LGG supplemented feed increased the relative abundance of positive bacteria in the gut microbiota such as Alloprevotella and Parvibacter. Importantly, Alloprevotella and Parvibacter showed a negative relationship with low density lipoprotein-cholesterol in the Spearman correlation analysis. These results illustrate that APS, in combination with LGG, postponed aging related oxidative stress when used as a prebiotic. The proposed mechanism for this is the reduction in liver oxidation and lipid metabolism, as well as the regulation of gut microbiota.
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