Tumour necrosis factor is expressed in refractory skin lesions from patients with subacute cutaneous lupus erythematosus
- 1 April 2006
- journal article
- other
- Published by BMJ in Annals Of The Rheumatic Diseases
- Vol. 65 (4), 545-548
- https://doi.org/10.1136/ard.2005.039362
Abstract
Objectives: To investigate whether tumour necrosis factor α (TNFα) is expressed in subacute cutaneous lupus erythematosus (SCLE) skin lesions. Methods: The in situ expression of TNFα in refractory lesional and non-lesional skin biopsy specimens from patients with SCLE was analysed using an immunohistochemical approach. At the time of biopsy these patients were receiving treatment with systemic medications such as antimalarial agents, immunosuppressive drugs, and thalidomide. Expression of TNFα was also evaluated in cutaneous lesions of patients with other inflammatory and neoplastic skin diseases as controls. Results: The data showed that refractory lesional skin tissue from patients with SCLE displays a strongly positive distribution of TNFα, particularly within the epidermis. No prominent staining was seen in non-lesional skin from the same group of patients or in cutaneous lesions from the control group. Conclusions: These findings suggest that TNFα is localised and produced by epidermal cells within SCLE skin lesions and support its potential role in the pathogenesis of SCLE. The tissue localisation of TNFα may represent a potential therapeutic target providing a new perspective in the treatment of refractory skin lesions in patients with SCLE.This publication has 15 references indexed in Scilit:
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