Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/151511
Title: IMPACT OF BIOPHYSICAL CUES ON THE FUNCTIONAL MATURITY OF PLURIPOTENT STEM CELL DERIVED ENDOTHELIAL CELLS INTO ARTERIAL AND VENOUS SUBTYPES
Authors: SEEP
Keywords: human pluripotent stem cells, endothelial cell, shear stress, substrate topography, functional maturation, environmental cues, arterial specification
Issue Date: 14-Aug-2018
Citation: SEEP (2018-08-14). IMPACT OF BIOPHYSICAL CUES ON THE FUNCTIONAL MATURITY OF PLURIPOTENT STEM CELL DERIVED ENDOTHELIAL CELLS INTO ARTERIAL AND VENOUS SUBTYPES. ScholarBank@NUS Repository.
Abstract: Pluripotent stem cell derived endothelial cells (PSC-EC) are an upcoming alternate source for cardio-vascular clinical applications. However, PSC-ECs are functionally heterogeneous and functionally immature compared to primary ECs. Hence, this study aims to functionally mature them to either arterial or venous subtype using biophysical cues. Arterial and venous ECs reside in different microenvironments with varying basement membrane architecture and different shear stress. Thus, this study incorporated a Multi Architectural (MARC) chip to study the effect of substrate topography and a multiplex microfluidic device to study the effect of shear on the functional maturity of PSC-EC into the two EC subtypes. We established that gratings and micro-lenses positively enhanced the arterial phenotype of PSC-ECs. Whereas, a low shear stress ≥ 3.8dyne/cm2 for 40-hours supported an arterial phenotype in PSC-ECs. Both biophysical cues overall had a positive influence towards arterial phenotype.
URI: http://scholarbank.nus.edu.sg/handle/10635/151511
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