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Literature DB >> 18791664

Preparation and properties of a novel drug delivery system with both magnetic and biomolecular targeting.

Yong Yang¹, Ji-Sen Jiang, Bing Du, Zhi-Feng Gan, Min Qian, Ping Zhang.

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 degrees 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.

Entities: Chemical Disease Species

Mesh：

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Year: 2008 PMID： 18791664 DOI： 10.1007/s10856-008-3577-0

Source DB: PubMed Journal: J Mater Sci Mater Med ISSN： 0957-4530 Impact factor: 3.896

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