alexa Preparation and characterization of ascorbic acid loaded solid lipid nanoparticles and investigation of their apoptotic effects.
Molecular Biology

Molecular Biology

Cell & Developmental Biology

Author(s): Gney G, Kutlu HM, Gen L

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Abstract In this paper, ascorbic acid (Vitamin C, AA) known as an antioxidant was successfully incorporated in solid lipid nanoparticles (SLNs) by hot homogenization and efficient delivery of AA to cancer cells. The obtained SLN formulations were characterized by Nano Zetasizer ZS and HPLC with the particle size being less than 250nm. AA-SLNs exhibited sustained release and high entrapment efficiency. According to MTT test results, AA-SLNs showed high cytotoxic activity compared to the free AA against H-Ras 5RP7 cells without damaging NIH/3T3 control cells. These results were supported by the Annexin V-PI and caspase-3 assay. Furthermore, as compared to the AA, AA-SLNs exhibited more efficient cellular uptake, accumulated in the cytoplasm and induced apoptosis which was observed by confocal laser scanning microscopy (CLSM) and transmission electron microscopy (TEM). Thus, the results of this study suggest that SLNs can be a potential nanocarrier system for AA. Copyright © 2014 Elsevier B.V. All rights reserved. This article was published in Colloids Surf B Biointerfaces and referenced in Cell & Developmental Biology

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