Journal
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY
Volume 132, Issue 2, Pages 378-386Publisher
MOSBY-ELSEVIER
DOI: 10.1016/j.jaci.2013.02.030
Keywords
Eosinophilic esophagitis; eosinophilic gastrointestinal disease; eosinophil; connective tissue disorders; Ehlers-Danlos syndrome; Marfan syndrome; hypermobility syndrome
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Funding
- National Institutes of Health, Food Allergy Research and Education
- Food Allergy and Anaphylaxis Network
- Buckeye Foundation
- Campaign Urging Research for Eosinophilic Diseases (CURED) Foundation
- Meritage
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Background: Eosinophilic esophagitis (EoE) is an emerging chronic inflammatory disease mediated by immune hypersensitization to multiple foods and strongly associated with atopy and esophageal remodeling. Objective: We provide clinical and molecular evidence indicating a high prevalence of EoE in patients with inherited connective tissue disorders (CTDs). Methods: We examined the rate of EoE among patients with CTDs and subsequently analyzed esophageal mRNA transcript profiles in patients with EoE with or without CTD features. Results: We report a cohort of 42 patients with EoE with a CTD-like syndrome, representing 0.8% of patients with CTDs and 1.3% of patients with EoE within our hospital-wide electronic medical record database and our EoE research registry, respectively. An 8-fold risk of EoE in patients with CTDs (relative risk, 8.1; 95% confidence limit, 5.1-12.9; chi(2) 1=5 112.0; P < 10(-3)) was present compared with the general population. Esophageal transcript profiling identified a distinct subset of genes, including COL8A2, in patients with EoE and CTDs. Conclusion: There is a remarkable association of EoE with CTDs and evidence for a differential expression of genes involved in connective tissue repair in this cohort. Thus, we propose stratification of patients with EoE and CTDs into a subset referred to as EoE-CTD.
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