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Three-Dimensional Cell Culture Models to Investigate the Epithelial Barrier in Eosinophilic Esophagitis
Published on: May 10, 2024
Common variants at 5q22 associate with pediatric eosinophilic esophagitis
Marc E Rothenberg1, Jonathan M Spergel, Joseph D Sherrill
1Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati, Cincinnati, Ohio, USA.
Nature Genetics
|March 9, 2010
Summary
Eosinophilic esophagitis (EoE) is linked to genetic variants near the TSLP gene on chromosome 5q22. TSLP gene overexpression in the esophagus suggests its role in EoE development.
Area of Science:
- Genetics
- Immunology
- Gastroenterology
Background:
- Eosinophilic esophagitis (EoE) is an allergic inflammatory condition of the esophagus.
- EoE is characterized by eosinophil infiltration in esophageal tissue.
- The genetic underpinnings of EoE are not fully understood.
Purpose of the Study:
- To investigate the genetic associations with Eosinophilic esophagitis (EoE).
- To identify potential candidate genes involved in EoE pathogenesis.
- To explore the role of chromosome 5q22 variants in EoE.
Main Methods:
- Genome-wide association study (GWAS) to identify genetic variants associated with EoE.
- Analysis of variants at chromosome 5q22, including TSLP and WDR36.
- Gene expression analysis of TSLP and WDR36 in esophageal biopsies from EoE patients and controls.
Main Results:
- A significant association was found between EoE and variants at chromosome 5q22 (rs3806932, P = 3.19 x 10(-9)).
- TSLP (thymic stromal lymphopoietin) showed significantly higher expression in esophageal biopsies of individuals with EoE.
- WDR36 gene expression was not significantly different between EoE patients and unaffected individuals.
Conclusions:
- The 5q22 locus, particularly TSLP, plays a role in the pathogenesis of Eosinophilic esophagitis.
- TSLP is identified as a strong candidate gene contributing to EoE development.
- These findings provide new insights into the genetic basis of EoE.
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