Involvement of IL-10 in peroxisome proliferator-activated receptor γ-mediated anti-inflammatory response in asthma

Ri Kim So, Sun Lee Kyung, Sun Park Hee, Ju Park Seoung, Kyung-Hoon Min, Mi Jin Sun, Chul Lee Yong

Research output: Contribution to journalArticle

68 Citations (Scopus)

Abstract

Peroxisome proliferator-activated receptor γ (PPARγ) plays an important role in controlling immune and inflammatory responses. Recent studies have demonstrated that activation of PPARγ reduces airway hyper-responsiveness and activation of eosinophils that are increased by induction of asthma. We have used a mouse model of asthma to determine the role of PPARγ in the regulation of the pulmonary immune response, more specifically in the involvement of immunoregulatory cytokine interleukin (IL)-10. Administration of PPARγ agonists or adenovirus carrying PPARγ cDNA (AdPPARγ) reduced eosinophilic airway inflammation and airway hyper-responsiveness. Expression of PPARγ was increased by ovalbumin inhalation, and the increase was further enhanced by the administration of PPARγ agonists or AdPPARγ. The increased IL-10 levels in lung tissues after ovalbumin inhalation were further increased by the administration of rosiglitazone, pioglitazone, or AdPPARγ. Levels of IL-4, IL-5, and ovalbumin-specific IgE were also increased after ovalbumin inhalation, and the increased levels were significantly reduced by the administration of the PPARγ agonists or AdPPARγ. The results also showed that inhibition of IL-10 activity with anti-IL-10 receptor antibody partially restored the inflammation. These findings suggest that a protective role of PPARγ in the pathogenesis of the asthma is partly mediated through an IL-10-dependent mechanism.

Original languageEnglish
Pages (from-to)1568-1575
Number of pages8
JournalMolecular Pharmacology
Volume68
Issue number6
DOIs
Publication statusPublished - 2005 Dec 1
Externally publishedYes

Fingerprint

Peroxisome Proliferator-Activated Receptors
Interleukin-10
Anti-Inflammatory Agents
Asthma
Ovalbumin
Adenoviridae
Respiratory Hypersensitivity
Complementary DNA
Inhalation
rosiglitazone
pioglitazone
Interleukin-10 Receptors
Inflammation
Lung
Interleukin-5
Eosinophils
Interleukin-4
Immunoglobulin E

ASJC Scopus subject areas

  • Molecular Medicine
  • Pharmacology

Cite this

Involvement of IL-10 in peroxisome proliferator-activated receptor γ-mediated anti-inflammatory response in asthma. / So, Ri Kim; Kyung, Sun Lee; Hee, Sun Park; Seoung, Ju Park; Min, Kyung-Hoon; Sun, Mi Jin; Yong, Chul Lee.

In: Molecular Pharmacology, Vol. 68, No. 6, 01.12.2005, p. 1568-1575.

Research output: Contribution to journalArticle

So, Ri Kim ; Kyung, Sun Lee ; Hee, Sun Park ; Seoung, Ju Park ; Min, Kyung-Hoon ; Sun, Mi Jin ; Yong, Chul Lee. / Involvement of IL-10 in peroxisome proliferator-activated receptor γ-mediated anti-inflammatory response in asthma. In: Molecular Pharmacology. 2005 ; Vol. 68, No. 6. pp. 1568-1575.
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