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Cited by 185

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Histologic eosinophilic gastritis is a systemic disorder associated with blood and extragastric eosinophilia, TH2 immunity, and a unique gastric transcriptome

Open access
Caldwell, Julie M., Collins, Margaret H., Stucke, Emily M., Putnam, Philip E., Franciosi, James P., Kushner, Jonathan P., Abonia, J. Pablo, Rothenberg, Marc E.·2014·Journal of Allergy and Clinical Immunology

Abstract

Background The definition of eosinophilic gastritis (EG) is currently limited to histological EG based on the tissue eosinophil count. Objective We aimed to provide additional fundamental information about the molecular, histopathological, and clinical characteristics of EG. Methods Genome-wide transcript profiles and histological features of gastric biopsies as well as blood eosinophil numbers were analyzed in EG and control patients (n = 15 each). Results The peak gastric antrum eosinophil count was 282.7 ± 163.9 eosinophils/400X high-power field (HPF) in EG and 11.0 ± 8.5 eosinophils/HPF in control patients (P = 6.1 × 10−7). EG patients (87%) had co-existing eosinophilic inflammation in multiple gastrointestinal segments; the esophagus represented the most common secondary site. Elevated peripheral blood eosinophil numbers (EG 1.09 ± 0.88 × 103 [K]/μl vs. control 0.09 ± 0.08 K/μl, P = .0027) positively correlated with peak gastric eosinophil counts (Pearson r2 = .8102, P < .0001). MIB-1+ (proliferating), CD117+ (mast cells), and FOXP3+ cells (regulatory and/or activated T cells) were increased in EG. Transcript profiling revealed changes in 8% of the genome in EG gastric tissue. Only 7% of this EG transcriptome overlapped with the eosinophilic esophagitis (EoE) transcriptome. Significantly increased IL4, IL5, IL13, IL17, CCL26 and mast cell-specific transcripts and decreased IL33 were observed. Conclusion EG is a systemic disorder involving profound blood and gastrointestinal tract eosinophilia, Th2 immunity, and a conserved gastric transcriptome markedly distinct from the EoE transcriptome. The data herein define germane cellular and molecular pathways of EG and provide a basis for improving diagnosis and treatment.

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Metadata

Authors
Caldwell, J. M., Collins, M. H., Stucke, E. M., Putnam, P. E., Franciosi, J. P., Kushner, J. P., Abonia, J. P., & Rothenberg, M. E.
Venue
Journal of Allergy and Clinical Immunology
Publisher
Elsevier BV
Published
2014-11
Volume
134
Issue
5
Pages
1114-1124
ISSN
0091-6749 (ISSN-L)
OpenAlex
W2091925781
Cited by
185
References
5
FWCI
8.96
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Histologic eosinophilic gastritis is a systemic disorder associated with blood and extragastric eosinophilia, TH2 immunity, and a unique gastric transcriptome. https://app.cochat.ai/papers/10.1016/j.jaci.2014.07.026
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Caldwell, J. M., Collins, M. H., Stucke, E. M., Putnam, P. E., Franciosi, J. P., Kushner, J. P., Abonia, J. P., & Rothenberg, M. E. (2014). Histologic eosinophilic gastritis is a systemic disorder associated with blood and extragastric eosinophilia, TH2 immunity, and a unique gastric transcriptome. Journal of Allergy and Clinical Immunology. https://doi.org/10.1016/j.jaci.2014.07.026

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