Document Detail

Tailored electroactive and quantitative ligand density microarrays applied to stem cell differentiation.
MedLine Citation:
PMID:  20131824     Owner:  NLM     Status:  MEDLINE    
The ability to precisely control the interactions between materials and mammalian cells at the molecular level is crucial to understanding the fundamental chemical nature of how the local environment influences cellular behavior as well as for developing new biomaterials for a range of biotechnological and tissue engineering applications. In this report, we develop and apply for the first time a quantitative electroactive microarray strategy that can present a variety of ligands with precise control over ligand density to study human mesenchymal stem cell (hMSC) differentiation on transparent surfaces with a new method to quantitate adipogenic differentiation. We found that both the ligand composition and ligand density influence the rate of adipogenic differentiation from hMSC's. Furthermore, this new analytical biotechnology method is compatible with other biointerfacial characterization technologies (surface plasmon resonance, mass spectrometry) and can also be applied to investigate a range of protein-ligand or cell-material interactions for a variety of systems biology studies or cell behavior based assays.
Wei Luo; Eugene W L Chan; Muhammad N Yousaf
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of the American Chemical Society     Volume:  132     ISSN:  1520-5126     ISO Abbreviation:  J. Am. Chem. Soc.     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-02-24     Completed Date:  2010-06-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7503056     Medline TA:  J Am Chem Soc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2614-21     Citation Subset:  IM    
Department of Chemistry and the Carolina Center for Genome Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, USA.
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MeSH Terms
Cell Differentiation*
Equipment Design
Mesenchymal Stem Cells / cytology*
Microarray Analysis / instrumentation*
Surface Properties
Reg. No./Substance:

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