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A role for MCP-I/CCR2 in interstitial lung disease in children.
Respir. Res. 6, 93-104 (2005)
BACKGROUND: Interstitial lung diseases (ILD) are chronic inflammatory disorders leading to pulmonary fibrosis. Monocyte chemotactic protein 1 (MCP-1) promotes collagen synthesis and deletion of the MCP-1 receptor CCR2 protects from pulmonary fibrosis in ILD mouse models. We hypothesized that pulmonary MCP-1 and CCR2+ T cells accumulate in pediatric ILD and are related to disease severity. METHODS: Bronchoalveolar lavage fluid was obtained from 25 children with ILD and 10 healthy children. Levels of pulmonary MCP-1 and Th1/Th2-associated cytokines were quantified at the protein and the mRNA levels. Pulmonary CCR2+, CCR4+, CCR3+, CCR5+ and CXCR3+ T cells were quantified by flow-cytometry. RESULTS: CCR2+ T cells and MCP-1 levels were significantly elevated in children with ILD and correlated with forced vital capacity, total lung capacity and ILD disease severity scores. Children with lung fibrosis had significantly higher MCP-1 levels and CCR2+ T cells in bronchoalveolar lavage fluid compared to non-fibrotic children. CONCLUSION: The results indicate that pulmonary CCR2+ T cells and MCP-1 contribute to the pathogenesis of pediatric ILD and might provide a novel target for therapeutic strategies.
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4.028
0.000
22
29
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Publication type
Article: Journal article
Document type
Scientific Article
Language
english
Publication Year
2005
HGF-reported in Year
0
ISSN (print) / ISBN
1465-9921
e-ISSN
1465-993X
Journal
Respiratory Research
Quellenangaben
Volume: 6,
Pages: 93-104
Publisher
BioMed Central
Reviewing status
Peer reviewed
Institute(s)
Institute of Molecular Immunology (IMI)
POF-Topic(s)
30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
Research field(s)
Immune Response and Infection
PSP Element(s)
G-501700-001
Erfassungsdatum
2005-09-29