EPX and eosinophilic esophagitis: They looked at whether previously described eosinophil associated proteins (EAPs) that could be captured by EST (EDN, EPX, MBP-1, Gal-10, CCL26) and periostin, an extracellular matrix protein upregulated in fibrosis, correlated with histologic or endoscopic features of remodeling in 40 pediatric patient with active and inactive EoE.