SAT-219 Hepatic 5-HT2B receptor antagonism mediates the anti-steatotic and antifibrotic effects of psilocybin in preclinical MASH models - Signor Anna; Colognesi Martina; Finzi Giovanna; Gabbia Daniela; Mattarei Andrea; Comai Stefano; Pasut Gianfranco; Folli Franco; Manfredi Paolo; De Martin Sara (Journal of Hepatology, 2026)