Lixiang Zhai, Haitao Xiao, Chengyuan Lin, Hoi Leong Xavier Wong, Yan Y Lam, Mengxue Gong, Guojun Wu, Ziwan Ning, Chunhua Huang, Yijing Zhang, Chao Yang, Jingyuan Luo, Lu Zhang, Ling Zhao, Chenhong Zhang, Johnson Yiu-Nam Lau, Aiping Lu, Lok-Ting Lau, Wei Jia, Liping Zhao, Zhao-Xiang Bian
The incidence of metabolic syndrome is significantly higher in patients with irritable bowel syndrome (IBS), but the mechanisms involved remain unclear. Gut microbiota is causatively linked with the development of both metabolic dysfunctions and gastrointestinal disorders, thus gut dysbiosis in IBS may contribute to the development of metabolic syndrome. Here, we show that human gut bacterium Ruminococcus gnavus-derived tryptamine and phenethylamine play a pathogenic role in gut dysbiosis-induced insulin resistance in type 2 diabetes (T2D) and IBS...
August 17, 2023: Nature Communications