An improved understanding of mitral valve (MV) function remains an important goal for determining mechanisms underlying valve disease and for developing novel therapies. Critical to heart valve tissue homeostasis is the valvular interstitial cells (VICs), which reside in the interstitium and maintain the extracellular matrix (ECM) through both protein synthesis and enzymatic degradation . There is scant quantitative experimental data on the alterations of the MV fiber network reorganization as a function of load, which is critical for implementation of computational strategies that attempt to link this meso-micro scale phenomenon. The observed large scale deformations experienced by VICs could be implicated in mechanotransduction , i.e., translation of mechanical stimuli into biochemical signals. Consequently, our goal was to quantitatively characterize the MV microstructure as a function of physiological loads, including localized 3D VIC deformations and relate it to the fiber network.
- Bioengineering Division
Alterations in the Microstructure of the Anterior Mitral Valve Leaflet Under Physiological Stress
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Carruthers, CA, Good, B, D’Amore, A, Liao, J, Amini, R, Watkins, SC, & Sacks, MS. "Alterations in the Microstructure of the Anterior Mitral Valve Leaflet Under Physiological Stress." Proceedings of the ASME 2012 Summer Bioengineering Conference. ASME 2012 Summer Bioengineering Conference, Parts A and B. Fajardo, Puerto Rico, USA. June 20–23, 2012. pp. 227-228. ASME. https://doi.org/10.1115/SBC2012-80820
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