期刊
FRONTIERS IN NUTRITION
卷 9, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fnut.2022.929776
关键词
Lycium barbarum L; acute liver injury; metabolomics; gut microbiota; fecal microbiota transplantation (FMT)
资金
- National Natural Science Foundation of China [31970746, 31771514]
- Ningxia Hui Autonomous Region's Key Research and Development Plan [2020BBF02023]
- Key Research and Development Program of Ningxia Hui Autonomous Region [2017BY069]
- Science and Technology Innovation Team Foundation of Ningxia Hui Autonomous Region [KJT2017001]
- Qing Lan Project in Jiangsu Province
This study found that Goji berries can prevent liver injury induced by acute alcohol intake by targeting the gut microbiota. Goji supplementation improved acute liver injury and maintained the integrity of the intestinal epithelial barrier. The study also confirmed the causal relationship between gut microbiota and the liver protective effects of Goji through antibiotic treatment and fecal microbiota transplantation.
Diet is a major driver of the structure and function of the gut microbiota, which influences the host physiology. Alcohol abuse can induce liver disease and gut microbiota dysbiosis. Here, we aim to elucidate whether the well-known traditional health food Goji berry targets gut microbiota to prevent liver injury induced by acute alcohol intake. The results showed that Goji supplementation for 14 days alleviated acute liver injury as indicated by lowering serum aspartate aminotransferase, alanine aminotransferase, pro-inflammatory cytokines, as well as lipopolysaccharide content in the liver tissue. Goji maintained the integrity of the epithelial barrier and increased the levels of butyric acid in cecum contents. Furthermore, we established the causal relationship between gut microbiota and liver protection effects of Goji with the help of antibiotics treatment and fecal microbiota transplantation (FMT) experiments. Both Goji and FMT-Goji increased glutathione (GSH) in the liver and selectively enriched the butyric acid-producing gut bacterium Akkermansia and Ruminococcaceae by using 16S rRNA gene sequencing. Metabolomics analysis of cecum samples revealed that Goji and its trained microbiota could regulate retinoyl beta-glucuronide, vanillic acid, and increase the level of glutamate and pyroglutamic acid, which are involved in GSH metabolism. Our study highlights the communication among Goji, gut microbiota, and liver homeostasis.
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