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Decreased serum levels of P-selectin and eosinophil cationic protein in patients with mild asthma after inhaled salbutamol
Linköping University, Department of Medicine and Care. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Medicine and Care. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Medicine and Care, Clinical Physiology. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Heart Centre, Department of Clinical Physiology.
2004 (English)In: Respiration, ISSN 0025-7931, E-ISSN 1423-0356, Vol. 71, no 3, 241-245 p.Article in journal (Refereed) Published
Abstract [en]

Background: Asthma is a chronic inflammatory disease of the airways associated with selective recruitment of activated eosinophils. P-selectin, a cell adhesion molecule, may be an important controller of the inflammation by mediating selective eosinophil cell influx to the lung. Serum levels of eosinophil cationic protein (ECP) have been used as a marker of eosinophil inflammation, and indirectly as a marker of disease activity of asthma. ECP levels may not be elevated in some patients with asthma, and this fact prompted us to search for additional surrogate markers for monitoring disease activity in asthma. Objectives: To evaluate whether repeated inhalations of salbutamol, a ß-2-receptor agonist used for bronchodilation, would lead to reduced serum levels of P-selectin and/or ECP. Methods: Fourteen patients with asymptomatic mild stable asthma were enrolled into a randomised crossover study. Salbutamol was inhaled three times every 3 h. Blood was sampled 4 h after the last inhalation. Nine non-treated healthy volunteers served as control subjects. Serum ECP and P-selectin levels were measured using radioimmunoassay and ELISA, respectively. Results: P-selectin and ECP levels in serum obtained from asymptomatic asthmatics were close to those of the volunteers, and inter-day variability tended to be lower for levels of P-selectin than for ECP. Significant decreases of P-selectin (p = 0.01) and ECP (p = 0.03) were recorded after salbutamol inhalation. There was no association between the changes in ECP and P-selectin levels in serum. Conclusions: We conclude that decreases in P-selectin and ECP may have different kinetics, suggesting different pathways of action of salbutamol. We judge that P-selectin may be used as a sensitive marker in mild asthma. Copyright © 2004 S. Karger AG, Basel.

Place, publisher, year, edition, pages
S. Karger, 2004. Vol. 71, no 3, 241-245 p.
Keyword [en]
Asthma, Eosinophil cationic protein, P-selectin, Salbutamol
National Category
Respiratory Medicine and Allergy
URN: urn:nbn:se:liu:diva-45738DOI: 10.1159/000077421ISI: 000221245400006PubMedID: 15133343ScopusID: 2-s2.0-2342570805OAI: diva2:266634
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2015-04-14Bibliographically approved

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Naidu Sjöswärd, KerstinUppugunduri, SrinivasSchmekel, Birgitta
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Department of Medicine and CareFaculty of Health SciencesClinical PhysiologyDepartment of Clinical Physiology
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Respiratory Medicine and Allergy

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