Eosinophilic esophagitis: Immune mechanisms and therapeutic targets

Eosinophilic esophagitis (EoE) is an emerging chronic inflammatory disease of the oesophagus and is clinically characterized by upper gastrointestinal (GI) symptoms including dysphagia and esophageal food impaction. Histopathologic manifestations, which include intraepithelial eosinophilic inflammat...

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Veröffentlicht in:Clinical and experimental allergy 2022-10, Vol.52 (10), p.1142-1156
Hauptverfasser: Khokhar, Dilawar, Marella, Sahiti, Idelman, Gila, Chang, Joy W., Chehade, Mirna, Hogan, Simon P.
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container_end_page 1156
container_issue 10
container_start_page 1142
container_title Clinical and experimental allergy
container_volume 52
creator Khokhar, Dilawar
Marella, Sahiti
Idelman, Gila
Chang, Joy W.
Chehade, Mirna
Hogan, Simon P.
description Eosinophilic esophagitis (EoE) is an emerging chronic inflammatory disease of the oesophagus and is clinically characterized by upper gastrointestinal (GI) symptoms including dysphagia and esophageal food impaction. Histopathologic manifestations, which include intraepithelial eosinophilic inflammation and alterations of the esophageal squamous epithelium, such as basal zone hyperplasia (BZH) and dilated intercellular spaces (DIS), are thought to contribute to esophageal dysfunction and disease symptoms. Corroborative clinical and discovery science‐based studies have established that EoE is characterized by an underlying allergic inflammatory response, in part, related to the IL‐13/CCL26/eosinophil axis driving dysregulation of several key epithelial barrier and proliferative regulatory genes including kallikrein (KLK) serine proteases, calpain 14 (CAPN14) and anoctamin 1 (ANO1). The contribution of these inflammatory and proliferative processes to the clinical and histological manifestations of disease are not fully elucidated. Herein, we discuss the immune molecules and cells that are thought to underlie the clinical and pathologic manifestations of EoE and the emerging therapeutics targeting these processes for the treatment of EoE.
doi_str_mv 10.1111/cea.14196
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subjects Anoctamin-1
Autoimmune diseases
biologics
Calpain
cytokines
Dysphagia
eosinophilic esophagitis
Eosinophilic Esophagitis - drug therapy
Eosinophilic Esophagitis - therapy
Eosinophils
Epithelium
Esophageal diseases
Esophagitis
Esophagus
Gastrointestinal diseases
Humans
Hyperplasia
Hypersensitivity
Inflammatory diseases
Interleukin-13 - metabolism
Kallikrein
Kallikreins
Leukocytes (eosinophilic)
mast cell
Review
Serine Proteases
Serine proteinase
Therapeutic targets
title Eosinophilic esophagitis: Immune mechanisms and therapeutic targets
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