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Updated: May 22, 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
Atopic dermatitis with possible polysensitization and monkey esophagus reactivity.
Ana Maria Abreu-Velez1, Michael S Howard, Bruce R Smoller
1Georgia Dermatopathology Associates, Atlanta, Georgia, USA.
North American Journal of Medical Sciences
|May 5, 2012
Summary
Severe atopic dermatitis may involve autoreactivity to albumin and food allergens, potentially detectable via monkey esophagus testing. Further research is needed to confirm these immunologic links.
Area of Science:
- Immunodermatology
- Allergology
Background:
- Atopic dermatitis (AD) is a chronic inflammatory skin condition influenced by genetic and environmental factors.
- Emerging research suggests a connection between AD, asthma, and eosinophilic esophagitis.
Observation:
- Immunoreactivity patterns were analyzed in a severe AD patient's serum using monkey esophagus substrate.
- Skin biopsy analysis revealed deposits of albumin, IgE, IgG, IgD, IgA, Complement/C1q, and mast cell tryptase.
- Intraepithelial staining was observed on monkey esophagus, with positive staining around dermal vessels and for HLA-DR/DP/DQ antigens.
Findings:
- The study identified broad intraepithelial staining on monkey esophagus and specific deposits in the skin of a severe atopic dermatitis patient.
- Positive staining for albumin, immunoglobulins, complement, and mast cell tryptase was noted in skin structures.
Implications:
- Findings suggest potential utility in testing severe atopic dermatitis patients for autoreactivity to filaggrin (anti-keratin antibodies) using monkey esophagus.
- Further investigation is warranted to elucidate immunologic interactions between albumin reactivity and food allergens in esophageal sensitization.
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