Dermatology (Basel, Switzerland) · 2001
Bcl-2 expression in skin pathergy reaction of Behçet's disease.
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Sullu Y, Senturk N, Yildiz L, Sullu Y D, Turanli A Y
Аннотация
BACKGROUND: Bcl-2 expression in leukocytes plays an important role in autoimmune and inflammatory disease.
OBJECTIVE: In the present study, we investigated the Bcl-2 expression in the skin pathergy reaction (SPR) of Behçet's disease (BD).
METHODS: The skin pathergy test (SPT) was performed on 23 patients with BD and 7 healthy controls. After 48 h, SPT specimens were taken by punch biopsy. Control samples were also obtained from the normal skin of 7 patients with BD and 11 patients with BD-unrelated leukocytoclastic vasculitis. Biopsy specimens were evaluated by routine histopathological examination and immunohistochemical Bcl-2 staining.
RESULTS: The SPT was clinically positive in 9 of 23 patients and histopathologically positive in 13 but never in the healthy controls. The majority of leukocytes in 12 of 13 histopathologically positive specimens were stained with Bcl-2. Only 3 BD-unrelated leukocytoclastic vasculitis samples showed Bcl-2 positivity. No Bcl-2 staining was found in healthy controls and normal skin samples of patients with BD.
CONCLUSION: Our data may suggest a role of Bcl-2-mediated inflammation in the pathogenesis of the SPR in BD.
OBJECTIVE: In the present study, we investigated the Bcl-2 expression in the skin pathergy reaction (SPR) of Behçet's disease (BD).
METHODS: The skin pathergy test (SPT) was performed on 23 patients with BD and 7 healthy controls. After 48 h, SPT specimens were taken by punch biopsy. Control samples were also obtained from the normal skin of 7 patients with BD and 11 patients with BD-unrelated leukocytoclastic vasculitis. Biopsy specimens were evaluated by routine histopathological examination and immunohistochemical Bcl-2 staining.
RESULTS: The SPT was clinically positive in 9 of 23 patients and histopathologically positive in 13 but never in the healthy controls. The majority of leukocytes in 12 of 13 histopathologically positive specimens were stained with Bcl-2. Only 3 BD-unrelated leukocytoclastic vasculitis samples showed Bcl-2 positivity. No Bcl-2 staining was found in healthy controls and normal skin samples of patients with BD.
CONCLUSION: Our data may suggest a role of Bcl-2-mediated inflammation in the pathogenesis of the SPR in BD.