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- Title
Different Expression of Endothelin in the Bronchoalveolar Lavage in Patients with Pulmonary Diseases.
- Authors
Reichenberger, F.; Schauer, J.; Kellner, K.; Sack, U.; Stiehl, P.; Winkler, J.
- Abstract
Endothelin (ET) is a broncho- and vasoconstrictive cytokine, but it also possesses proinflammatory and mitogenic activity. It is suggested to be involved in the pathogenesis of fibrotic lung diseases. We analyzed the concentration of ET 1 in the bronchoalveolar lavage (BAL) fluid in 95 patients with different lung diseases, among them 41 patients with interstitial lung diseases (13 fibrosing alveolitis in systemic sclerosis (FASS), 9 idiopathic pulmonary fibrosis (IFP), 8 sarcoidosis (S), 6 occupational lung disease (OLD), 5 other alveolitidies A), 27 patients with pneumonia, and 8 patients with chronic obstructive pulmonary disease (COPD). A heterogeneous group of 19 patients served as controls. The median ET concentration was 3.3 pg/ml. Significantly higher concentration was found in patients with FASS (5.8 pg/ml), IPF (5.0 pg/ml), and S (5.1 pg/ml) compared with OLD (2.8 pg/ml), A (1.9 pg/ml), COPD (1.5 pg/ml), and the control group (2.5 pg/ml). In pneumonia, the elevated ET concentration (4.1 pg/ml) was accompanied by a high alveolocapillary leakage. When normalized to BAL albumin concentration, only FASS presented with significantly elevated ET/albumin in the BAL compared with the control group (134.5 vs. 56.l pg/mg, p
- Publication
Lung, 2001, Vol 179, Issue 3, p163
- ISSN
0341-2040
- Publication type
Academic Journal
- DOI
10.1007/s004080000058