21: Blood speaks: Uncovering biomarkers to decode eosinophilic esophagitis Original abstract title: Identifying active vs. inactive eosinophilic esophagitis through blood-based biomarkersManal Bel imam1, Luc Biedermann2, Philipp Schreiner2, Andrea Kreienbühl2, Anja Heider1, Mübeccel Akdis1, Alex Straumann2, Willem van de Veen1
22: The role of B cells in the pathogenesis of eosinophilic esophagitis Hang Du1, Manal Bel imam1, Özge Ardıçlı1, Willem Van de Veen1
23: Extracellular vesicles for biomarker discovery in EoE patients’ plasma Original abstract title: Characterization of extracellular vesicles in the peripheral blood of Eosinophilic Esophagitis patientsNicolò Marchi1,2, Mel Diedro1,2, Dagmar Duijzer3, Paola Martinez Murillo1, Patrick Westermann3,4, Christoph Messner3,4, Luc Biedermann5, Alex Straumann5, Pierre-Yves Mantel1