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Region Hovedstaden - en del af Københavns Universitetshospital
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Trefoil factor peptides in serum and sputum from subjects with asthma and COPD

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Vis graf over relationer

OBJECTIVE: trefoil factor peptides (TFF) are secreted onto mucosal surfaces together with mucins and occur in high concentrations in pulmonary secretions from patients with chronic obstructive pulmonary disease (COPD). In the present study, we aimed to explore the concentrations of the peptides in serum and sputum in patients with COPD.

MATERIALS AND METHODS: thirty-five individuals were included in the study, including 11 healthy individuals, 13 with asthma and 11 with COPD. TFF1, TFF2 and TFF3 were measured by ELISA in sputum induced by hypertonic saline inhalation and in serum. Total protein content in sputum was also determined.

RESULTS: in the sputum samples from COPD patients, we observed an eight-fold higher concentration of TFF1 and a five-fold higher concentration of TFF3 compared to controls. In the serum samples from COPD patients, we observed three-, three- and two-fold higher concentrations of TFF1, TFF2 and TFF3, respectively, compared to controls.

CONCLUSIONS: there is increased secretion of TFF peptides in the lungs of patients with COPD, as well as significant increases in serum levels. This suggests a role for TFF peptides in the pathogenesis of pulmonary diseases with mucus hypersecretion.

OriginalsprogEngelsk
TidsskriftThe clinical respiratory journal
Vol/bind9
Udgave nummer3
Sider (fra-til)322
Antal sider329
ISSN1752-6981
DOI
StatusUdgivet - 2015

ID: 45366408