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The synchronization of gene expression and cell trafficking in transfected stem cells is crucial for augmentation of stem cell functions (differentiation and neurotropic factor secretion) and real time in vivo monitoring. We report a magnetic nanoparticle-based gene delivery system that can ensure simultaneous gene delivery and in vivo cell trafficking by high resolution MR imaging. The polar aprotic...
For efficient labeling and tracking via magnetic resonance (MR) imaging of human mesenchymal stem cells (h-MSCs), magnetic labeling agents must be responsive to an external magnetic field. Thus, we developed ultrasensitive magnetoplex as a magnetic labeling agent composed of PEGylated MnFe2O4 nanocrystals (PMNCs) and polycationics (poly-l-lysine, PLL) for efficient labeling of the h-MSCs and monitoring...
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