PMID: 7537567Jan 1, 1995Paper

Cytokines in neutrophil-dominated airway inflammation in patients with cystic fibrosis

European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
A SchusterV Wahn

Abstract

Bronchopulmonary disease in patients with cystic fibrosis (CF) is a paradigm of neutrophil-dominated airway inflammation. We hypothesized that proinflammatory cytokines contribute to a localized neutrophil-dominated inflammatory state as present in CF airways. In a cross-sectional study, we analyzed 63 sputum samples from 33 CF patients for concentrations of the cytokines interleukin-1 alpha (IL-1 alpha), IL-1 beta, IL-8, tumor necrosis factor-alpha (TNF-alpha), and granulocyte-colony stimulating factor (G-CSF) by means of enzyme-linked immunosorbent assay. Furthermore, the activity of neutrophil elastase (NE) in the sputum samples was determined using a specific chromogenic substrate. Compared to sputum samples from 10 healthy controls, there were significantly increased concentrations of IL-1 beta, IL-8 and TNF-alpha in the CF sputum samples. The concentration of IL-8 correlated significantly with NE activity in the CF sputum samples. In CF patients with airways chronically colonized with Pseudomonas aeruginosa, IL-8 concentrations in sputum were significantly enhanced. In glucocorticoid-treated patients, IL-1 alpha and G-CSF sputum concentrations were significantly lower when compared to levels in the other patients. These r...Continue Reading

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Oct 7, 2004·Journal of Cystic Fibrosis : Official Journal of the European Cystic Fibrosis Society·Cyrille BergoinBenoît Wallaert
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