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Interleukin-18 in pulmonary inflammatory diseases
Tomotaka Kawayama1, Masaki Okamoto, Haruki Imaoka
1Division of Respirology, Neurology, and Rheumatology, Department of Medicine 1, Kurume University School of Medicine, Kurume, Fukuoka, Japan.
Interleukin-18 (IL-18) is a key cytokine in immune responses and inflammatory diseases. This review focuses on the pathological roles of IL-18 in pulmonary inflammatory diseases like asthma and COPD.
Area of Science:
- Immunology
- Molecular Biology
- Pathology
Background:
- Interleukin-18 (IL-18), discovered in 1995, is a crucial proinflammatory cytokine.
- IL-18 influences T helper cell polarization (Th1/Tc1) and promotes Th2 cytokine production.
- It also plays roles in Th2 cell development, IgE production, and Th17 cell differentiation.
Purpose of the Study:
- To review the pathological roles of IL-18 in pulmonary inflammatory diseases.
- To highlight IL-18's involvement in conditions such as bronchial asthma and chronic obstructive pulmonary disease (COPD).
Main Methods:
- This study is a review of existing literature.
- It synthesizes evidence on IL-18's function in inflammatory lung diseases.
Main Results:
- IL-18 is implicated in the pathogenesis of various inflammatory conditions, including atopic dermatitis and rheumatoid arthritis.
- Significant evidence points to IL-18's critical role in the development of pulmonary inflammatory diseases.
- IL-18 contributes to the pathology of bronchial asthma and COPD.
Conclusions:
- IL-18 is a significant factor in the development and progression of inflammatory diseases.
- Its role in pulmonary inflammation, specifically asthma and COPD, warrants further investigation.
- Understanding IL-18's mechanisms is vital for developing targeted therapies for lung diseases.
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