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Pemphigus in families.
A Feinstein1, S Yorav, M Movshovitz
1Department of Dermatology, Chaim Sheba Medical Center, Tel Hashomer, Israel.
International Journal of Dermatology
|May 1, 1991
Summary
Pemphigus, an autoimmune blistering disease, shows familial clustering, suggesting a genetic component. Specific human leukocyte antigen (HLA) associations and ethnic predispositions are identified, highlighting genetic factors in pemphigus pathogenesis.
Area of Science:
- Immunodermatology
- Genetics
- Autoimmune Diseases
Background:
- Pemphigus is a group of rare autoimmune blistering diseases.
- Understanding the genetic basis of pemphigus is crucial for diagnosis and treatment.
Observation:
- A family with two affected sisters and a literature review of 25 families (53 patients) with familial pemphigus were analyzed.
- Affected individuals primarily showed parent-child or sibling-sibling relationships.
Findings:
- Pemphigus demonstrated significant associations with specific human leukocyte antigen (HLA) alleles, including A26, Bw38, and DRw4.
- Increased pemphigus frequency was observed in particular ethnic groups, further supporting genetic influence.
Implications:
- The findings underscore the significant role of genetic predisposition in pemphigus development.
- Identifying genetic markers and ethnic predispositions can aid in risk assessment and understanding pemphigus etiology.