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Heparin-binding protein in sputum as a marker of pulmonary inflammation, lung function, and bacterial load in children with cystic fibrosis. | LitMetric

Heparin-binding protein in sputum as a marker of pulmonary inflammation, lung function, and bacterial load in children with cystic fibrosis.

BMC Pulm Med

Department of Clinical Sciences Lund, Division of Infection Medicine, BMC B14, Lund University, Skåne University Hospital, Tornavägen 10, SE-22184, Lund, Sweden.

Published: June 2018

AI Article Synopsis

Article Abstract

Background: Cystic fibrosis (CF) is associated with bacterial pulmonary infections and neutrophil-dominated inflammation in the airways. The aim of this study was to evaluate the neutrophil-derived protein Heparin-binding protein (HBP) as a potential sputum marker of airway inflammation and bacterial load.

Methods: Nineteen CF patients, aged 6-18 years, were prospectively followed for 6 months with sputum sampling at every visit to the CF clinic. A total of 41 sputum samples were collected. Sputum-HBP was analysed with ELISA, neutrophil elastase activity with a chromogenic assay, and total bacterial load with RT-PCR of the 16 s rDNA gene. Data were compared to lung function parameters and airway symptoms.

Results: HBP and elastase correlated to a decrease in FEV%predicted compared to the patients´ individual baseline pulmonary function (∆FEV), but not to bacterial load. Area under the receiver operating characteristic curve values for the detection of > 10% decrease in ∆FEV were 0.80 for HBP, 0.78 for elastase, and 0.54 for bacterial load.

Conclusions: Sputum HBP is a promising marker of airway inflammation and pulmonary function in children with CF.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6011334PMC
http://dx.doi.org/10.1186/s12890-018-0668-7DOI Listing

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