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The Efficiency of a Urotensin II Antagonist in an Experimental Lung Fibrosis Model.
MedLine Citation:
PMID:  22205238     Owner:  NLM     Status:  Publisher    
Pulmonary fibrosis is a chronic disease. Urotensin II (U-II) is a new peptide with angiogenic and profibrotic features. Therefore, we aim to evaluate the antagonism of U-II with palosuran in an animal model and plan to measure U-II, endothelin-1 (ET-1), and transforming growth factor-β1 (TGF-β1) and their association with lung fibrosis. Thirty Wistar male rats were used in the study and were divided into three groups: group 1, control; group 2, bleomycin-induced lung fibrosis group; and group 3, bleomycin-induced lung fibrosis with treatment palosuran group. U-II level (nanograms per milliliter) was 2.957 ± 0.159 in group1, 3.188 ± 0.122 in group 2, and 2.970 ± 0.165 in group 3 (p = 0.002). The ET-1 level (picograms per milliliter) was 4.486 ± 0.376 in group 1, 9.086 ± 1.850 in group 2, and 4.486 ± 0.376 in group 3 (p < 0.001). The TGF-β1 (nanograms per milliliter) level was 73.143 ± 9.96 in group 1, 84.81 ± 4.73 in group 2, and 77.86 ± 5.77 in group 3 (p = 0.006). Finally, the fibrosis score was 0.7 ± 0.48 in group 1, 4.4 ± 1.34 in group 2, and 3.2 ± 0.63 in group 3 (p < 0.001). There is a statistically significant positive relationship between fibrosis scores and the UT-II, ET-1, and TGF-β1 levels of the experimental lung fibrosis model. We believe U-II is an important mediator in lung fibrosis models, and its antagonism with palosuran could be a new treatment choice for interstitial lung fibrosis, but further studies need to be conducted to verify the findings of the current study.
Ahmet Mesut Onat; Ibrahim Halil Turkbeyler; Yavuz Pehlivan; Tuncer Demir; Davut Sinan Kaplan; Seyithan Taysi; Ali Osman Ceribasi; Ediz Tutar; Bunyamin Kisacik
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-12-29
Journal Detail:
Title:  Inflammation     Volume:  -     ISSN:  1573-2576     ISO Abbreviation:  -     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7600105     Medline TA:  Inflammation     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Rheumatology, Sahinbey Medical Center, School of Medicine, Gaziantep University, Gaziantep, 27310, Turkey.
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