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Pulmonary and systemic hepatocyte and keratinocyte growth factors in patients with chronic obstructive pulmonary disease

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Author(s): Jaume Sauleda | Aina Noguera | David Blanquer | Jaume Pons | Meritxell López, et al

Journal: International Journal of COPD
ISSN 1176-9106

Volume: 2008;
Issue: Issue 4;
Start page: 719;
Date: 2008;
Original page

ABSTRACT
Jaume Sauleda1, Aina Noguera2, David Blanquer3, Jaume Pons4, Meritxell López1, et al1Servei de Pneumologia, Hospital Universitari Son Dureta, Fundació Caubet-Cimera Illes Balears, Illes Balears, CIBER Enfermedades respiratorias, Illes Balears, Spain; 2Inmunologia, 4Anàlisis Clínique, Hospital Universitari Son Dureta. Palma Mallorca, Spain; 3Fundació Hospital Manacor, Manacor, Illes Balears SpainBackground: The potential role of growth factors in chronic obstructive pulmonary disease (COPD) has begun to be addressed only recently and is still poorly understood. For this study, we investigated potential abnormalities of hepatocyte growth factor (HGF) and keratinocyte growth factor (KGF) in patients with COPD.Methods: To this end, we compared the levels of HGF and KGF, measured by enzyme-linked immunosorbent assay (ELISA), in bronchoalveolar lavage (BAL) fluid and in serum in 18 patients with COPD (62 ± 9 yrs, forced expiratory volume in one second [FEV1] 57 ± 12% ref, X ± standard deviation of mean), 18 smokers with normal lung function (58 ± 8 yrs, FEV1 90 ± 6% ref) and 8 never smokers (67 ± 9 yrs, 94 ± 14% ref).Results: We found that in BAL, HGF levels were higher in patients with COPD than in the other two groups whereas, in serum, HGF concentration was highest in smokers with normal lung function (p

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