Interrogation of the mammalian gut–brain axis using LC–MS/MS-based targeted metabolomics with in vitro bacterial and organoid cultures and in vivo gnotobiotic mouse models

Thomas D. Horvath, Sigmund J. Haidacher, Melinda A. Engevik, Berkley Luck, Wenly Ruan, Faith D. Ihekweazu, Meghna Bajaj, Kathleen M. Hoch, Numan Oezguen, Jennifer K. Spinler, James Versalovic, Anthony M. Haag