期刊
BIOMARKERS
卷 15, 期 6, 页码 523-532出版社
TAYLOR & FRANCIS LTD
DOI: 10.3109/1354750X.2010.492431
关键词
Biomarkers; tissue remodelling; pulmonary hypertension; matrix metalloproteinase 2; tenascin C; tissue inhibitor of matrix metalloproteinase 4
资金
- Bayer HealthCare AG
Objective: Besides persisting high pulmonary arterial pressure and increased pulmonary vascular resistance, remodelling of pulmonary tissues and subsequently the right heart are the key pathomechanisms of pulmonary hypertension (PH). Extracellular matrix maintenance in this context plays a central role. Methods: We tested the hypothesis that plasma concentration of matrix metalloproteinase (MMP)-2, tissue inhibitor of matrix metalloproteinases (TIMP)-4 and tenascin C (TNC) might be useful as biomarkers for assessing the severity of PH. Therefore, the concentrations of MMP-2, TIMP-4, TNC and N-terminal b-type natriuretic peptide (NT-proBNP) of 36 PH patients were compared with those of 44 age- and gender-matched healthy volunteers. Additionally, lung function, 6-min walk distance and right heart function were assessed. Results: In PH patients, significantly elevated plasma levels of MMP-2, TIMP-4, TNC and NT-proBNP were detected. In particular, TIMP-4 was significantly increased in patients with higher NYHA classification, and in patients with severe right ventricular hypertrophy. Conclusion: Monitoring of plasma TIMP-4 and to a lesser extent of MMP-2 and TNC levels in PH patients might help to assess the beneficial effects of PH pharmacotherapy on tissue remodelling.
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