Journal
INTERNATIONAL JOURNAL OF CARDIOLOGY
Volume 221, Issue -, Pages 1073-1080Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ijcard.2016.07.150
Keywords
Biomarkers; Heart failure with preserved ejection fraction; Heart failure with reduced ejection fraction; Dilated cardiomyopathy
Categories
Funding
- Polish Ministry of Science and Higher Education [502-03/5-139-02/502-54-008]
- JUVENTUS PLUS grant of the Polish Ministry of Science and Higher Education [IP2011003271]
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Background/objectives: To evaluate whether biomarkers reflecting pathophysiological pathways and selected single nucleotide polymorphisms differ between patients (pts) with heart failure (HF). Methods: 110 pts with were involved, including HF pts with preserved ejection fraction (HFpEF, n = 51) with hypertensive origin, HF pts with reduced ejection fraction (HFrEF) with ischemic aetiology (ICM) (n = 32) and HFrEF with dilated cardiomyopathy (DCM) (n = 27). We assessed selected HF biomarkers, echocardiographic examinations and functional polymorphisms selected from six candidate genes: CYP27B1, NOS3, IL-6, TGF beta, TNF alpha, and PPAR gamma. Results: Higher concentrations of TNF alpha were observed in pts with hypertensive HFpEF compared to pts with DCM (p = 0.008). Pts with HFpEF had higher concentrations of TGF beta 1 compared to DCM and ICM (p = 0.0001 and p = 0.0003, respectively). For the NOS3 -786 C/T rs2070744 polymorphism in DCM there were significantly more CT heterozygotes than in ICM and HFpEF. In multivariate analysis TGF beta 1 (p = 0.001) and syndecan 4 (p = 0.001) were the only factors distinguishing HFrEF pts with DCM vs HFpEF and also TGF beta 1 (p = 0.001) and syndecan 4 (p = 0.023) were the only factors distinguishing HFrEF pts with ICM vs HFpEF pts. Conclusions: Inflammation mediated through TNF alpha and TGF beta 1 may represent an important component of an inflammatory response that partially drives the pathophysiology of HFpEF. NOS3-786 C/T rs2070744 polymorphism in DCM may serve as a marker for more rapid progression of heart failure. The only biomarkers independently distinguishing HFpEF and HFrEF are syndecan 4 and TGF beta 1. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
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