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Human mesenchymal stem cell differentiation on self-assembled monolayers presenting different surface chemistries.


ABSTRACT: Human mesenchymal stem cells (hMSCs) have tremendous potential as a cell source for regenerative medicine due to their capacity for differentiation into a wide range of connective tissue cell types. Although significant progress has been made in the identification of defined growth factor conditions to induce lineage commitment, the effect of underlying biomaterial properties on functional differentiation is far less understood. Here we conduct a systematic assessment of the role for surface chemistry on cell growth, morphology, gene expression and function during hMSC commitment along osteogenic, chondrogenic and adipogenic lineages. Using self-assembled monolayers of omega-functionalized alkanethiols on gold as model substrates, we demonstrate that biomaterial surface chemistry differentially modulates hMSC differentiation in a lineage-dependent manner. These results highlight the importance of initial biomaterial surface chemistry on long-term functional differentiation of adult stem cells, and suggest that surface properties are a critical parameter that must be considered in the design of biomaterials for stem cell-based regenerative medicine strategies.

SUBMITTER: Phillips JE 

PROVIDER: S-EPMC2787851 | biostudies-literature | 2010 Jan

REPOSITORIES: biostudies-literature

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Human mesenchymal stem cell differentiation on self-assembled monolayers presenting different surface chemistries.

Phillips Jennifer E JE   Petrie Timothy A TA   Creighton Francis P FP   García Andrés J AJ  

Acta biomaterialia 20090724 1


Human mesenchymal stem cells (hMSCs) have tremendous potential as a cell source for regenerative medicine due to their capacity for differentiation into a wide range of connective tissue cell types. Although significant progress has been made in the identification of defined growth factor conditions to induce lineage commitment, the effect of underlying biomaterial properties on functional differentiation is far less understood. Here we conduct a systematic assessment of the role for surface che  ...[more]

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