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Natural cellular cytotoxicity in Behçet's disease
M Onder1, M Bozkurt, M A Gürer
1Department of Dermatology, Gazi University School of Medicine, Beşevler, Ankara, Türkiye.
The Journal of Dermatology
|April 1, 1994
Summary
Natural killer cell activity in Behçet
Area of Science:
- Immunology
- Cellular Biology
- Rheumatology
Background:
- Behçet's disease (BD) is a chronic inflammatory disorder with complex immunopathogenesis.
- Understanding the role of natural killer (NK) cells in different disease stages is crucial for explaining BD's immune mechanisms.
Purpose of the Study:
- To evaluate the cytotoxic activity of natural killer cells in active and inactive Behçet's disease.
- To explore a novel hypothesis for the immunopathogenesis of Behçet's disease based on NK cell function.
Main Methods:
- Blood samples were collected from 16 Behçet's disease patients and 11 healthy controls.
- Lymphocytes were isolated and co-cultured with Candida albicans as target cells at varying effector-to-target ratios (1:5 and 1:25).
- Natural cytotoxicity was quantified by calculating the anticandidal index based on colony counts.
Main Results:
- Natural cytotoxicity was significantly decreased in the active stage of Behçet's disease compared to the inactive stage.
- Natural cytotoxicity in the active stage showed no significant difference compared to healthy controls.
- Natural cytotoxicity was significantly higher in the inactive stage of Behçet's disease compared to healthy controls.
Conclusions:
- Natural killer cell activity exhibits distinct patterns in active versus inactive Behçet's disease.
- Increased natural cytotoxicity during the inactive phase may contribute to the immunopathogenesis of Behçet's disease, potentially alongside other immune factors.