Anticonvulsant-induced toxic epidermal necrolysis:: Monitoring the immunologic response

被引:72
作者
Leyva, L
Torres, MJ
Posadas, S
Blanca, M
Besso, G
O'Valle, F
del Moral, RG
Santamaría, LF
Juárez, C
机构
[1] Carlos Haya Hosp, Res Unit Allerg Dis, Malaga, Spain
[2] Carlos Haya Hosp, Dept Internal Med, Malaga, Spain
[3] Carlos Haya Hosp, Intens Care Unit, Malaga, Spain
[4] Almirall Prodesfarma SA, Ctr Invest, Barcelona, Spain
[5] Univ Hosp Granada, Dept Pathol, Granada, Spain
关键词
toxic epidermal necrolysis; anticonvulsant; severe skin reactions; T lymphocytes; cutaneous lymphocyte-associated antigen; homing; cytokines;
D O I
10.1016/S0091-6749(00)90191-X
中图分类号
R392 [医学免疫学];
学科分类号
100102 ;
摘要
Background: Toxic epidermal necrolysis Is a severe reaction with skin involvement induced by different drugs and other agents. The mechanisms implicated in the induction of the reaction are poorly understood. Objective: Our purpose was to study the involvement of T lymphocytes and other immunocompetent cells in the peripheral blood, blister fluid, and affected skin of 3 patients who had a severe reaction after receiving anticonvulsant medication. Methods: Quantification of T lymphocytes expressing the skin-homing receptor (cutaneous lymphocyte-associated antigen [CLA]) in peripheral blood, skin, and skin blister fluid and assessment of other adhesion molecules, activation markers, and inflammatory interleukins by flow cytometry, immunohistochemistry, and reverse transcription-PCR. Results: An increase in CD3(+)CLA(+) cells paralleling the severity of the disease was observed in both peripheral blood and skin, tending to normalize as soon as patient's conditions improved. E-selectin was detected in endothelial vessels in parallel with CLA expression on lymphocytes. An overexpression of TNF alpha, IFN-gamma, and IL-2 was also observed in PBMCs. The expression of the different markers changed over the course of the disease. Conclusions: These data show an increase in activated T cells expressing the skin-homing receptor in both tissue and peripheral blood accompanying clinical symptoms, with a recruitment of macrophages and an overexpression of cytokines. All these results suggest an important role for T cells in the production of toxic epidermal necrolysis.
引用
收藏
页码:157 / 165
页数:9
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