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RSS FeedsMolecules, Vol. 24, Pages 1563: Magnetically Assisted Control of Stem Cells Applied in 2D, 3D and In Situ Models of Cell Migration (Molecules)

 
 

19 april 2019 18:01:25

 
Molecules, Vol. 24, Pages 1563: Magnetically Assisted Control of Stem Cells Applied in 2D, 3D and In Situ Models of Cell Migration (Molecules)
 




The success of cell therapy approaches is greatly dependent on the ability to precisely deliver and monitor transplanted stem cell grafts at treated sites. Iron oxide particles, traditionally used in vivo for magnetic resonance imaging (MRI), have been shown to also represent a safe and efficient in vitro labelling agent for mesenchymal stem cells (MSCs). Here, stem cells were labelled with magnetic particles, and their resulting response to magnetic forces was studied using 2D and 3D models. Labelled cells exhibited magnetic responsiveness, which promoted localised retention and patterned cell seeding when exposed to magnet arrangements in vitro. Directed migration was observed in 2D culture when adherent cells were exposed to a magnetic field, and also when cells were seeded into a 3D gel. Finally, a model of cell injection into the rodent leg was used to test the enhanced localised retention of labelled stem cells when applying magnetic forces, using whole body imaging to confirm the potential use of magnetic particles in strategies seeking to better control cell distribution for in vivo cell delivery.


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29 viewsCategory: Biochemistry, Chemistry, Molecular Biology
 
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