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Title:Engineered N-cadherin substrates for stem cell differentiation
Author(s):Qin, Ellen C
Advisor(s):Kong, Hyunjoon; Leckband, Deborah E
Department / Program:Chemical & Biomolecular Engr
Discipline:Chemical Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Degree:M.S.
Genre:Thesis
Subject(s):N-cadherin
Hydrogel
Stiffness
Bone marrow stromal cell
Abstract:In the case of injury, aging, or disease, tissues in the body may have a limited capability to regenerate. As a result, great interest have been put into tissue engineering as a way to assemble functional constructs that restore, maintain, or improve those tissues. Certain success was made to modulate neural differentiation of stem cells using soluble factors and cell adhesion matrix properties. These differentiation studies are often dependent on the density of cells plated on the substrate, which implies that there is an important role of cadherin-modulated cell-cell adhesion in regulating stem cell differentiation levels. As a result, the goal for this research is to develop a hydrogel platform which integrates the effects of N-cadherin and matrix stiffness to modulate cell differentiation. To create this system, Fc-tagged N-cadherins are attached to alginate gels of varying stiffness through Protein A, which is chemically bound to the surface. Different cells known to express N-cadherin were seeded onto the gels, with the bone marrow stromal cells (BMSCs) showing the best adhesion properties. This study thus demonstrates that N-cadherin substrates can be used to promote cell adhesion, and may be useful for differentiation studies with BMSCs.
Issue Date:2016-07-22
Type:Thesis
URI:http://hdl.handle.net/2142/92878
Rights Information:Copyright 2016 Ellen Qin
Date Available in IDEALS:2016-11-10
Date Deposited:2016-08


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