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Related Experiment Videos

[Tumor necrosis factor alpha in systemic scleroderma].

R T Alekperov, A V Timchenko, E L Nasonov

    Klinicheskaia Meditsina
    |February 20, 2004
    PubMed
    Summary
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    Tumor necrosis factor alpha (TNF alpha) drives scleroderma systematica (SS) progression by affecting vascular endothelium, immune responses, and connective tissue metabolism. Elevated TNF alpha levels in SS patients contribute to fibrosing alveolitis and skin changes in Raynaud's syndrome.

    Area of Science:

    • Immunology
    • Pathophysiology
    • Rheumatology

    Context:

    • Scleroderma systematica (SS) is a complex autoimmune disease characterized by fibrosis.
    • Tumor necrosis factor alpha (TNF alpha) is a key inflammatory cytokine implicated in autoimmune disorders.

    Purpose:

    • To review the literature on the specific role of TNF alpha in the pathogenesis of SS.
    • To elucidate the mechanisms by which TNF alpha contributes to SS manifestations.

    Summary:

    • TNF alpha plays a critical role in SS by activating vascular endothelium, modulating immune responses, and altering connective tissue metabolism through fibroblastic function.
    • Elevated systemic and local levels of TNF alpha are observed in SS patients.
    • Increased TNF alpha is associated with disease progression, including fibrosing alveolitis and skin fibrosis in Raynaud's syndrome.

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    Impact:

    • Highlights TNF alpha as a potential therapeutic target for managing SS.
    • Provides insights into the molecular mechanisms underlying SS fibrosis and inflammation.
    • Informs clinical strategies for treating SS complications like fibrosing alveolitis and Raynaud's phenomenon.