Eotaxin-3/CCL26 is a potent chemoattractant for eosinophils that is highly upregulated in esophageal biopsies and sera of EoE patients (72, 73); plasma levels of eotaxin-1/CCL11 and eotaxin-2/CCL24 are not increased in active EoE (73). The gene discussed is CCL26; the disease is eosinophilic esophagitis.