Mingliang Zhao, Zhenxing Ren, Aihua Zhao, Yajun Tang, Junliang Kuang, Mengci Li, Tianlu Chen, Shouli Wang, Jieyi Wang, Huiheng Zhang, Jijun Wang, Tianhong Zhang, Jiahui Zeng, Xiaohua Liu, Guoxiang Xie, Penghong Liu, Ning Sun, Tianhao Bao, Tongtong Nie, Jingchao Lin, Ping Liu, Yuanyi Zheng, Xiaojiao Zheng, Tiemin Liu, Wei Jia
The gut-brain axis is implicated in depression development, yet its underlying mechanism remains unclear. We observed depleted gut bacterial species, including Bifidobacterium longum and Roseburia intestinalis, and the neurotransmitter homovanillic acid (HVA) in individuals with depression and mouse depression models. Although R. intestinalis does not directly produce HVA, it enhances B. longum abundance, leading to HVA generation. This highlights a synergistic interaction among gut microbiota in regulating intestinal neurotransmitter production...
April 3, 2024: Cell Metabolism