Polyporus umbellatus β-glucan ameliorates metabolic dysfunction-associated steatohepatitis by remodeling the gut microbiota-bile acid-FXR signaling axis.
PUP alleviates MASH via a gut microbiota-BSH-BA-FXR axis by remodeling the gut microbiota, enhancing BSH-dependent BA metabolism, and restoring physiological FXR feedback signaling.