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National Institute of Environmental Health Sciences

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Your Environment. Your Health.

Publication Detail

Title: Minimally invasive biomarker studies in eosinophilic esophagitis: A systematic review.

Authors: Hines, Brittany T; Rank, Matthew A; Wright, Benjamin L; Marks, Lisa A; Hagan, John B; Straumann, Alex; Greenhawt, Matthew; Dellon, Evan S

Published In Ann Allergy Asthma Immunol, (2018 Aug)

Abstract: Eosinophilic esophagitis (EoE) is a chronic, inflammatory disease of the esophagus that currently requires repeated endoscopic biopsies for diagnosis and monitoring because no reliable noninvasive markers have been identified.To identify promising minimally invasive EoE biomarkers and remaining gaps in biomarker validation.We performed a systematic review of EMBASE, Ovid MEDLINE, PubMed, and Web of Science from inception to June 6, 2017. Studies were included if patients met the 2007 consensus criteria for EoE diagnosis, a minimally invasive biomarker was assessed, and the study included at least 1 control for comparison.The search identified 2094 studies, with 234 reviewed at full-text level, and 49 included in the analysis (20 adult, 19 pediatric, 7 pediatric and adult, and 3 not stated). Most (26 of 49) were published after 2014. Thirty-five studies included healthy controls, 9 analyzed atopic controls, and 29 compared samples from patients with active and inactive EoE. Minimally invasive biomarkers were obtained from peripheral blood (n = 41 studies), sponge or string samples (n = 3), oral or throat swab secretions (n = 2), breath condensate (n = 2), stool (n = 2), and urine (n = 2). The most commonly reported biomarkers were peripheral blood eosinophils (n = 16), blood and string eosinophil granule proteins (n = 14), and eosinophil surface or intracellular markers (n = 12). EoE biomarkers distinguished active EoE from healthy controls in 23 studies, atopic controls in 2 studies, and inactive EoE controls in 20 studies.Several promising minimally invasive biomarkers for EoE have emerged; however, few are able to differentiate EoE from other atopic diseases.

PubMed ID: 29753832 Exiting the NIEHS site

MeSH Terms: No MeSH terms associated with this publication

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