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Related Experiment Videos

Interferons as pathogenic effectors in autoimmunity.

Roberto Baccala1, Dwight H Kono, Argyrios N Theofilopoulos

  • 1Department of Immunology, The Scripps Research Institute, La Jolla, CA 92037, USA.

Immunological Reviews
|March 26, 2005
PubMed
Summary
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Interferons (IFNs) are key immune regulators. This review explores their role in autoimmunity, detailing how these signaling molecules influence immune responses and contribute to autoimmune diseases.

Area of Science:

  • Immunology
  • Cytokine Biology
  • Autoimmunity

Background:

  • Type-1 (IFN alpha/beta) and type-II (IFN-gamma) interferons are central to the cytokine network.
  • Their production initiates innate and adaptive immune responses by upregulating MHC and costimulatory molecules.
  • Interferon signaling is amplified through cross-talk and interactions with other cytokines, regulating hundreds of immune genes.

Purpose of the Study:

  • To review the diverse biological effects of interferons (IFNs) on the immune system.
  • To discuss stimuli inducing IFN production via Toll-like receptors.
  • To summarize the role of IFNs in the pathogenesis of autoimmune diseases.

Main Methods:

  • Literature review of interferon function in immunity and autoimmunity.

Related Experiment Videos

  • Analysis of molecular mechanisms underlying interferon induction and signaling.
  • Synthesis of findings on interferon involvement in systemic and organ-specific autoimmune conditions.

    • Main Results:

    • IFNs are crucial for initiating immune responses and shaping adaptive immunity.
    • Exogenous and endogenous stimuli, including via Toll-like receptors, can induce IFN production.
    • IFNs play a dual role in autoimmunity, often detrimental but sometimes beneficial.

    Conclusions:

    • Interferons are significant effectors in autoimmune disease pathogenesis.
    • Understanding IFN pathways is critical for developing autoimmune disease therapies.
    • IFNs represent a key target for modulating aberrant immune responses in autoimmunity.