Master of Science (MS)
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heart valve, tissue engineering, bone marrow stem cells, actin filaments, balloon valvuloplasty, oscillatory shear stress, flow, valvular endothelial cells, fibrosa
Date of Defense
Heart valve disease (HVD) or a damaged valve can severely compromise the heart's ability to pump efficiently. Balloon valvuloplasty is preferred on neonates with aortic valve stenosis. Even though this procedure decreases the gradient pressure across the aortic valve, restenosis is observed soon after balloon intervention. Tissue engineering heart valves (TEHV), using bone marrow stem cells (BMSCs) and biodegradable scaffolds, have been investigated as an alternative to current non-viable prosthesis. By observing the changes in hemodynamics following balloon aortic valvuloplasty, we could uncover a potential cause for rapid restenosis after balloon intervention. Subsequently, a tissue engineering treatment strategy based on BMSC mechanobiology could be defined. Understanding and identifying the mechanisms by which cytoskeletal changes may lead to cellular differentiation of a valvular phenotype is a first critical step in enhancing the promotion of a robust valvular phenotype from BMSCs.
Castellanos, Glenda L., "Cellular Events Under Flow States Pertinent to Heart Valve Function" (2015). FIU Electronic Theses and Dissertations. 2285.
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