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Effects of Prevotella copri on insulin, gut microbiota and bile acids
oleh: Jiatai Gong, Qianjin Zhang, Ruizhi Hu, Xizi Yang, Chengkun Fang, Liping Yao, Jing Lv, Long Wang, Mingkun Shi, Wentao Zhang, Siqi Ma, Hongkun Xiang, Hongfu Zhang, De-Xing Hou, Yulong Yin, Jianhua He, Lijun Peng, Shusong Wu
Format: | Article |
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Diterbitkan: | Taylor & Francis Group 2024-12-01 |
Deskripsi
ABSTRACTObesity is becoming a major global health problem in children that can cause diseases such as type 2 diabetes and metabolic disorders, which are closely related to the gut microbiota. However, the underlying mechanism remains unclear. In this study, a significant positive correlation was observed between Prevotella copri (P. copri) and obesity in children (p = 0.003). Next, the effect of P. copri on obesity was explored by using fecal microbiota transplantation (FMT) experiment. Transplantation of P. copri. increased serum levels of fasting blood glucose (p < 0.01), insulin (p < 0.01) and interleukin-1β (IL-1β) (p < 0.05) in high-fat diet (HFD)-induced obese mice, but not in normal mice. Characterization of the gut microbiota indicated that P. copri reduced the relative abundance of the Akkermansia genus in mice (p < 0.01). Further analysis on bile acids (BAs) revealed that P. copri increased the primary BAs and ursodeoxycholic acid (UDCA) in HFD-induced mice (p < 0.05). This study demonstrated for the first time that P. copri has a significant positive correlation with obesity in children, and can increase fasting blood glucose and insulin levels in HFD-fed obese mice, which are related to the abundance of Akkermansia genus and bile acids.