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Erschienen in: Journal of Clinical Immunology 6/2007

01.11.2007

Relationship Between Eosinophilia and Levels of Chemokines (CCL5 and CCL11) and IL-5 in Bronchoalveolar Lavage Fluid of Patients With Mustard Gas-Induced Pulmonary Fibrosis

verfasst von: Ali Emad, Yasaman Emad

Erschienen in: Journal of Clinical Immunology | Ausgabe 6/2007

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Abstract

Objective

Therefore, this study was designed to analyze the bronchoalveolar lavage (BAL) fluid concentrations of IL-5, RANTES (CCL5) and eotaxin (CCL11) and also to examine the relationship between the percentage and absolute number of the BAL eosinophils and these measured chemokines in patients with sulfur mustard (SM) gas-induced pulmonary fibrosis (PF).

Patients

Fifteen veterans with mustard gas-induced PF and 14 normal veterans as control group.

Intervention

Pulmonary function tests, tests for DLCO, computed tomography scans of the chest, analyses of BAL fluids for RANTES (CCL5), eotaxin (CCL11), and IL-5 were performed in all cases.

Results

Eosinophilic alveolitis was the predominant feature (p < 0.0001). There were significant differences in CCL5, CCL11, and IL-5 levels of BAL fluid between patients with PF and controls (p < 0.0001, p < 0.0001, and p = 0.001, respectively). The concentrations of CCL5 and CCL11 showed positive correlations with percentage (r = 0.57 and p = 0.03; r = 0.52 and p = 0.04, respectively) and absolute counts (r = 0.54 and p = 0.04, r = 0.53 and p = 0.04, respectively) of BAL eosinophils. There were significant positive correlations between the concentrations of IL-5 and the proportion and total cell number of eosinophils in BAL (r = 0.67 and p = 0.01; r = 0.59 and p = 0.02, respectively) too.

Conclusion

A significant correlation between BAL CCL5, CCL11, and IL-5 levels and eosinophils in patients with pulmonary fibrosis due to SM gas inhalation has been demonstrated, suggesting that these C–C chemokines and IL-5 contribute to the recruitment of eosinophils cells in the lung in these victims.
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Metadaten
Titel
Relationship Between Eosinophilia and Levels of Chemokines (CCL5 and CCL11) and IL-5 in Bronchoalveolar Lavage Fluid of Patients With Mustard Gas-Induced Pulmonary Fibrosis
verfasst von
Ali Emad
Yasaman Emad
Publikationsdatum
01.11.2007
Verlag
Springer US
Erschienen in
Journal of Clinical Immunology / Ausgabe 6/2007
Print ISSN: 0271-9142
Elektronische ISSN: 1573-2592
DOI
https://doi.org/10.1007/s10875-007-9114-y

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