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Method To Deliver Molecules Within Embryonic Stem Cells Improves Differentiation; Biodegradable Microspheres Distribute Molecules To Stem Cells -- Georgia Institute of Technology  
4/10/2008 7:22:59 AM

Embryonic stem cell therapies have been proposed for regenerative medicine and tissue replacement after injury or disease. However, the inability of stem cells to efficiently develop into the desired specific cell type – such as muscle, skin, blood vessels, bone or neurons – now limits the potential clinical utility of this therapy. New research shows that delivering molecules within aggregates of embryonic stem cells via biodegradable microspheres enhances the efficiency and purity of differentiation, which is the process the cells undergo to become more specialized. Details of the microsphere-mediated delivery method, which is funded by the National Science Foundation, were presented on April 9 at the 235th American Chemical Society national meeting.
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