Abstract
By loading doxorubicin (DOX) on 5-carboxyl-fluorescein (FAM) labeled AGKGTPSLETTP peptide (A54) coupled starch-coated iron oxide nanoparticles (SIONs), we prepared a novel aqueous drug delivery system with both magnetic and biomolecular targeting, which was specific to human hepatocellular carcinoma cell line BEL-7402. The saturated extent of adsorption reached 2.0 mg DOX/mg A54-SIONs at 28°C, which provided a rather high dose of DOX loading for application. Tests in vitro demonstrated the specificity of DOX-loaded A54-SIONs to BEL-7402 cells. The microscopy images proved that DOX-loaded A54-SIONs were successfully targeted to tumor tissue of nude mice with an external magnetic field in vivo. MTT assay showed higher cytostatic effect of DOX-loaded A54-SIONs to hepatocellular carcinoma cells BEL-7402 than that of DOX-loaded SIONs.
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This research project is supported by Shanghai Nanotechnology Promotion Center (0652nm009, 0352nm113).
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Yang, Y., Jiang, JS., Du, B. et al. Preparation and properties of a novel drug delivery system with both magnetic and biomolecular targeting. J Mater Sci: Mater Med 20, 301–307 (2009). https://doi.org/10.1007/s10856-008-3577-0
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DOI: https://doi.org/10.1007/s10856-008-3577-0