Biomarkers and heart disease

R.-R. Sun, L. Lu, M. Liu, Y. Cao, X.-C. Li, H. Liu, J. Wang, P.-Y. Zhang

Graduate School, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China. mwlj521@163.com

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• Cardiology

Heart failure (HF) results from the impaired ability of heart to fill or pump out blood. HF is a common health problem with a multitude of causes and affects ~30 million people worldwide. Since ageing is a major risk factor for HF and as several treatment options are currently available to prolong the patients’ survival, the number of affected patients is expected to grow. Even though traditional methods of assessment have been in use for managing HF, these are limited by time consuming and costly subjective interpretation and also by their invasive nature. Comparatively, biomarkers offer an objective and biologically relevant information that in conjunction with the patients’ clinical findings provides optimal picture regarding the status of the HF patient and thus helps in diagnosis and prognosis. The current gold standard biomarkers for the diagnosis and prognosis of HF are B-type natriuretic peptide (BNP) and N-terminal proBNP (NT-proBNP). Additional novel biomarkers (e.g., mid-regional pro atrial natriuretic peptide (MR-proANP), mid-regional pro adrenomedullin (MR-proADM), troponins, soluble ST2 (sST2), growth differentiation factor (GDF)-15 and galectin-3) can potentially identify different pathophysiological processes such as myocardial insult, inflammation and remodeling as the causes for the development and progression of HF.

Different biomarkers of HF not only reflect the underlying mechanisms/pathways of HF and also its progression and also point specific therapy options. A multi-biomarker approach for personalized medical care is not too far fetched and such approach can greatly enhance diagnosis, prognostication, and therapy guidance for HF. In this review we describe the current status of HF biomarkers in clinical use and in laboratory research and the efforts aimed at the identification of novel biomarkers for HF.

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