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Interleukin-13 in asthma pathogenesis.

Marsha Wills-Karp1

  • 1Division of Immunobiology, Children's Hospital Medical Center, Cincinnati, OH 45208, USA. wildc7@chmcc.org

Immunological Reviews
|November 18, 2004
PubMed
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Interleukin-13 (IL-13) plays a key role in allergic asthma pathogenesis. This review highlights IL-13

Area of Science:

  • Immunology
  • Allergy Research
  • Respiratory Medicine

Background:

  • Bronchial asthma is linked to T-lymphocyte responses and T-helper 2 (Th2) cytokines.
  • Interleukin-13 (IL-13) is increasingly recognized for its central role in allergic diathesis.
  • Evidence links IL-13 levels and gene variants to asthma in humans.

Purpose of the Study:

  • To review the singular role of IL-13 in asthma pathogenesis.
  • To explore novel mechanisms by which IL-13 mediates asthma features.
  • To understand IL-13's impact beyond traditional allergic pathways.

Main Methods:

  • Review of existing literature on IL-13 and asthma.
  • Analysis of animal models demonstrating IL-13's sufficiency in inducing asthma.

Related Experiment Videos

  • Examination of human genetic and tissue data associating IL-13 with asthma traits.

    • Main Results:

    • IL-13 is both necessary and sufficient to induce all features of allergic asthma, independent of other Th2 cytokines.
    • IL-13 mediates allergic responses through actions on resident airway cells.
    • Emerging evidence suggests IL-13's role extends beyond eosinophil and IgE pathways.

    Conclusions:

    • IL-13 is a pivotal cytokine in the pathogenesis of allergic asthma.
    • Understanding IL-13's mechanisms offers new therapeutic targets for asthma.
    • The focus is shifting towards IL-13's direct effects on airway cells in asthma development.