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Elevated eosinophils, IL5 and IL8 in induced sputum in asthma patients with accelerated FEV1 decline [Elektronski vir]Marc-Malovrh, Mateja ...Background: Some patients with asthma present with accelerated lung function decline. This phenomenon is mostly associated with severe exacerbations and with poor asthma control. Objective: Our aim ... was to detect the extent of FEV1 decline in patients with mild asthma and to discriminate clinical, functional and inflammatory factors associated with accelerated FEV1 decline. Methods: We recruited 50 patients with mild asthma for pulmonary function testing and induced sputum sampling 12-15 years after the initial diagnosis. In 33 patients, from whom sputum of a good quality was obtained, inflammatory cells were counted and concentrations of cytokines IL-2, IL-4, IL-5, IL-8, IL-10, IFN-[gamma], angiogenin and VEGF in the sputum were measured by cytometric bead array. Results: Eighteen of 33 patients presented with accelerated FEV1 decline of more than 30 ml/year, with a mean (SEM) of 43.2 (3.9) ml/year, compared to 15 control patients with a FEV1 decline of 14.4 (2.1) ml/year. In the accelerated FEV1 decline group, we found elevated sputum levels of IL5 with a median (IQR) of 1.8 (0.4-3.2) pg/ ml vs. 0.2 (0.1-1.2) pg/ml, p = 0.04; IL8 with a mean (SEM) of 1503 (194) pg/ml vs. 938 (177) pg/ml, p = 0.04; and eosinophils with a median (IQR) of 223 (41-1020) cells/[micro]l vs. 39 (1-190) cells/[micro]l, p = 0.03. No significant differences in other measured parameters were detected between the two groups. Conclusion: Elevated sputum eosinophils, IL5 and IL8, which have a potential to stimulate airway remodelling, might be a useful non-invasive biomarkers and therapeutic targets of accelerated FEV1 decline in asthma patients.Vir: Respiratory medicine [Elektronski vir]. - ISSN 1532-3064 (Vol. 162, 2020, str. [1-8])Vrsta gradiva - e-članek ; neleposlovje za odrasleLeto - 2020Jezik - angleškiCOBISS.SI-ID - 2048623473
Povezava(-e):
https://www.resmedjournal.com/article/S0954-6111(20)30015-9/fulltextDostopno z geslom
DOI
Avtor
Marc-Malovrh, Mateja |
Camlek, Luka, dr. med. |
Škrgat, Sabina |
Kern, Izidor |
Fležar, Matjaž |
Dežman, Manca |
Korošec, Peter, 1970-
Teme
Asthma |
Respiratory function tests |
Eosinophils |
Interleukin-5 |
Interleukin-8 |
Sputum |
Diagnosis |
Astma |
Testi respiratorne funkcije |
Eozinofilci |
Interlevkin-5 |
Interlevkin-8 |
Izmeček |
Diagnostika |
upad pljučne funkcije |
FEV1 |
induced sputum |
asthma control |
lung function decline |
FEV1 |
inducirani izmeček |
nadzor astme
Vnos na polico
Trajna povezava
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Baze podatkov, v katerih je revija indeksirana
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Marc-Malovrh, Mateja | 23464 |
Camlek, Luka, dr. med. | 25170 |
Škrgat, Sabina | 25178 |
Kern, Izidor | 15781 |
Fležar, Matjaž | 15710 |
Dežman, Manca | |
Korošec, Peter, 1970- | 22807 |
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