Journal
JOURNAL OF NANOMATERIALS
Volume 2015, Issue -, Pages -Publisher
HINDAWI LTD
DOI: 10.1155/2015/463841
Keywords
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Funding
- FRMH (Fond pour la Recherche Medicale en Hainaut)
- FNRS (Fond National de la Recherche Scientifique) [3.4614.11]
- INSERM U522 and U271 [10528B10]
- University of Mons, Belgium [10528B10]
- ARC [AUWB-2010-10/15-UMONS-5]
- FNRS
- Walloon Region
- COST TD1004 and TD1402
- UIAP VII program
- Center for Microscopy and Molecular Imaging (CMMI)
- European Regional Development Fund
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Nowadays, the use of iron oxide nanoparticles is widespread to label cells for magnetic resonance imaging tracking. More recently, magnetic labeling provides promising new opportunities for tissue engineering by controlling and manipulating cells through the action of an external magnetic field. The present work describes nonspecific labeling of metabolically competent HepaRG hepatocytes with anionic iron oxide nanoparticles. An interaction was observed between nanoparticles and studied cells, which were easily attracted when exposed to a magnet. No cytotoxicity was detected in the hepatocytes after 24 hours of incubation with iron oxide nanoparticles. Impact on HepaRG metabolization activity was assessed. Although a slight decrease in the metabolite generation was observed after exposure to nanoparticles (2 mM in iron), the enzymatic capacity was maintained. These results pave the way for 3D cultures of magnetic labeled HepaRG cells by using a magnetic field.
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