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Decoding the immunophenotype ‒ New perspectives in understanding celiac disease
Carlota García-Hoz1, Roberto Pariente1, Garbiñe Roy Ariño2
1Inmunología, Hospital Universitario Ramón y Cajal. Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS).
Revista Espanola De Enfermedades Digestivas
|November 17, 2025
Summary
Flow cytometry of duodenal intraepithelial lymphocytes (IELs) accurately identifies celiac disease. This
Area of Science:
- Immunology
- Gastroenterology
- Cell Biology
Background:
- Increased duodenal intraepithelial lymphocytes (IELs) are hallmarks of celiac enteropathy.
- Accurate diagnosis relies on characterizing IEL subpopulations.
Purpose of the Study:
- To highlight the clinical implementation of the duodenal IEL lymphogram technique.
- To standardize interpretation of IEL analysis parameters.
Main Methods:
- Utilizing flow cytometry for duodenal intraepithelial lymphocyte (IEL) analysis.
- Establishing the 'duodenal IEL lymphogram' for phenotype and distribution assessment.
Main Results:
- The duodenal IEL lymphogram offers high diagnostic accuracy for celiac disease.
- Specific IEL phenotypes and distributions are pathognomonic for celiac processes.
Conclusions:
- The duodenal IEL lymphogram is a valuable diagnostic tool for celiac disease.
- Harmonization of laboratory interpretation is crucial for consistent results.
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