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HLA antigens in Arabs with lichen planus
1Department of Organ Transplantation, Kuwait University.
Clinical and Experimental Dermatology
|May 1, 1994
Summary
This study investigated Human Leukocyte Antigen (HLA) associations in Arab patients with cutaneous lichen planus. Findings reveal a significant increase in HLA-DR1 and HLA-DR10, suggesting a strong link to the disease in this population.
Area of Science:
- Immunogenetics
- Dermatology
Background:
- Cutaneous lichen planus is an inflammatory condition with suspected immune system involvement.
- Human Leukocyte Antigen (HLA) genes play a crucial role in immune responses and have been implicated in various autoimmune and inflammatory diseases.
Purpose of the Study:
- To determine the frequency of HLA antigen distribution in Arab patients diagnosed with cutaneous lichen planus.
- To compare these frequencies with a control group of healthy individuals to identify potential genetic associations.
Main Methods:
- Human Leukocyte Antigen (HLA) typing was performed on 50 Arab patients with cutaneous lichen planus residing in Kuwait.
- Antigen frequencies were compared against a control group of 100 healthy individuals.
Main Results:
- No significant differences were observed in HLA-ABC loci antigens between patients and controls.
- A significant increase in the incidence of HLA-DR1 (P = 0.0018, RR = 3.68) and HLA-DR10 (P. corr. = 0.00096, RR = 8.27) was found in patients.
- A significant decrease in HLA-DR5 (P. corr. = 0.0396, RR = 0.18) was noted in the patient group.
Conclusions:
- This study is the first to report HLA antigen frequencies in Arab patients with cutaneous lichen planus.
- The findings support a universal association of HLA-DR1 with lichen planus, with a potentially stronger association observed for HLA-DR10 in this population.