Heart valve disease leads to approximately 300,000 heart valve replacement surgeries each year worldwide. Valvular interstitial cells (VICs) are believed to play a vital role in the repair of heart valves and also most disease processes. VICs synthesize, remodel, and repair the ECM; however, when VICs excessively differentiate to the highly contractile and synthetic myofibroblast phenotype, valvular fibrosis may ensue. Elevated mechanical stress triggers the differentiation of VICs into myofibroblasts. Transforming growth factor beta-1 (TGF-β1) is also critical for the formation of thicker stress fibers positive for α-smooth muscle actin (α-SMA), the defining characteristic of myofibroblasts.
- Bioengineering Division
Effect of Boundary Stiffness on Contractility Profile of Valvular Interstitial Cells
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Kural, MH, & Billiar, KL. "Effect of Boundary Stiffness on Contractility Profile of Valvular Interstitial Cells." Proceedings of the ASME 2013 Summer Bioengineering Conference. Volume 1A: Abdominal Aortic Aneurysms; Active and Reactive Soft Matter; Atherosclerosis; BioFluid Mechanics; Education; Biotransport Phenomena; Bone, Joint and Spine Mechanics; Brain Injury; Cardiac Mechanics; Cardiovascular Devices, Fluids and Imaging; Cartilage and Disc Mechanics; Cell and Tissue Engineering; Cerebral Aneurysms; Computational Biofluid Dynamics; Device Design, Human Dynamics, and Rehabilitation; Drug Delivery and Disease Treatment; Engineered Cellular Environments. Sunriver, Oregon, USA. June 26–29, 2013. V01AT02A002. ASME. https://doi.org/10.1115/SBC2013-14100
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