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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
Pemphigus: a complex T cell-dependent autoimmune disorder leading to acantholysis
Christian Veldman1, Claudio Feliciani
1Department of Dermatology and Allergology, Philipps University, Marburg, Germany. veldman@med.uni-marburg.de
Clinical Reviews in Allergy & Immunology
|December 22, 2007
Summary
Pemphigus is an autoimmune blistering disease caused by IgG antibodies targeting desmogleins. This review explores the mechanisms of acantholysis and the role of T cells in pemphigus pathogenesis.
Area of Science:
- Immunodermatology
- Autoimmune Bullous Disorders
Background:
- Pemphigus is a rare autoimmune disorder affecting skin and mucous membranes, characterized by blisters and erosions.
- Histologically, pemphigus shows acantholysis, the separation of keratinocytes, primarily mediated by IgG antibodies against desmoglein 3 and/or desmoglein 1.
Purpose of the Study:
- To review current data on the mechanisms of acantholysis in pemphigus.
- To explore the role of T cells in pemphigus autoimmunity and pathogenesis.
Main Methods:
- Literature review of studies on pemphigus pathogenesis.
- Analysis of research on keratinocyte interactions and immune cell involvement.
Main Results:
- IgG antibodies against desmogleins are key in inducing acantholysis, though the precise mechanisms are debated.
- The role of autoantibodies alone in causing acantholysis requires further investigation.
- T cells are implicated in initiating and perpetuating autoimmunity in pemphigus.
Conclusions:
- Understanding the intricate mechanisms of acantholysis and the contribution of T cells is crucial for pemphigus research.
- Further investigation into trigger factors and immune cell roles may reveal new therapeutic targets for pemphigus.
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