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Updated: Apr 10, 2026
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Recognition of Epidermal Transglutaminase by IgA and Tissue Transglutaminase 2 Antibodies in a Rare Case of Rhesus Dermatitis
Published on: December 15, 2011
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Celiac Disease
Joseph A Murray1, Steffen Husby2
1Department of Gastroenterology, Mayo Clinic, Rochester, MN.
The New England Journal of Medicine
|April 8, 2026
Summary
Celiac disease is an autoimmune disorder triggered by gluten, affecting about 1% of people. Diagnosis uses antibody tests, and a gluten-free diet is the primary treatment, though some cases require further monitoring.
Area of Science:
- Immunology
- Gastroenterology
- Genetics
Background:
- Celiac disease is a prevalent autoimmune disorder affecting approximately 1% of the global population.
- It is triggered by gluten exposure and can manifest at any age.
- Genetic predisposition, specifically the presence of HLA-DQ2 or HLA-DQ8 genes, is a prerequisite for developing celiac disease.
Purpose of the Study:
- To summarize the key aspects of celiac disease diagnosis, treatment, and associated conditions.
- To highlight the diagnostic criteria and the evolving role of duodenal biopsies.
- To emphasize the importance of monitoring for nonresponsive celiac disease and its potential complications.
Main Methods:
- Serologic testing, focusing on IgA antibodies against tissue transglutaminase (tTG-IgA).
- Confirmation tests may include endomysial antibodies (EMA) or, less commonly, duodenal biopsies.
- Genetic testing for HLA-DQ2/HLA-DQ8 alleles.
Main Results:
- Diagnosis relies heavily on serological markers like tTG-IgA.
- A gluten-free diet is the standard treatment.
- Nonresponsive celiac disease in adults is linked to an increased risk of malignancy.
Conclusions:
- Celiac disease diagnosis is primarily achieved through serological testing and genetic predisposition.
- A strict gluten-free diet is essential for management.
- Co-occurrence with other autoimmune conditions and the risks associated with nonresponsive disease necessitate ongoing medical attention.
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