Systems Biology and Biomechanical Model of Heart Failure

Author(s): George E. Louridas, Katerina G. Lourida

Journal Name: Current Cardiology Reviews

Volume 8 , Issue 3 , 2012

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Heart failure is seen as a complex disease caused by a combination of a mechanical disorder, cardiac remodeling and neurohormonal activation. To define heart failure the systems biology approach integrates genes and molecules, interprets the relationship of the molecular networks with modular functional units, and explains the interaction between mechanical dysfunction and cardiac remodeling. The biomechanical model of heart failure explains satisfactorily the progression of myocardial dysfunction and the development of clinical phenotypes. The earliest mechanical changes and stresses applied in myocardial cells and/or myocardial loss or dysfunction activate left ventricular cavity remodeling and other neurohormonal regulatory mechanisms such as early release of natriuretic peptides followed by SAS and RAAS mobilization. Eventually the neurohormonal activation and the left ventricular remodeling process are leading to clinical deterioration of heart failure towards a multi-organic damage. It is hypothesized that approaching heart failure with the methodology of systems biology we promote the elucidation of its complex pathophysiology and most probably we can invent new therapeutic strategies.

Keywords: System biology, heart failure, wall stress, remodeling, heart failure models

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Article Details

Year: 2012
Published on: 19 September, 2012
Page: [220 - 230]
Pages: 11
DOI: 10.2174/157340312803217238
Price: $65

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PDF: 11