OC.04.5 IL-33/ST2 LEVELS AND GUT MICROBIOTA CHARACTERIZATION CAN PREDICT MUCOSAL RESPONSE TO ANTI-TNF THERAPY IN ULCERATIVE COLITIS. (25th March 2019) - Lopetuso, L.R.; Petito, V.; Graziani, C.; Quagliariello, A.; Chierico, F. Del; Putignani, L.; Pizarro, T.T.; Armuzzi, A.; Scaldaferri, F.; Gasbarrini, A.