Basic Fibroblast Growth Factor Loaded Biodegradable PCL-PEG-PCL Copolymeric Nanoparticles: Preparation, In Vitro Release and Immunogenicity Study
In this article, human basic fibroblast growth factor (bFGF) loaded PCL-PEG-PCL (PCEC) nanoparticles were prepared by modified W1/O/W2 double emulsion solvent evaporation method. The bFGF encapsulated in PCEC nanoparticles could be released in sustained release behavior in vitro. After subcutaneous single-dose injection of bFGF loaded PCEC nanoparticles at 20 g of bFGF per dose in mice, the anti-bFGF special autoantibodyIgG continued to grow until 8 weeks after the immunization and was still kept at high level at week 11. At the same time, HK293 cell viability assay in vitro indicated that the cytotoxicity of blank PCEC nanoparticles was low but dose dependent. For some success in controlling tumor growth had been met by neutralizing bFGF reported previously, the bFGF loaded PCEC nanoparticles prepared in this paper might have potential application as anti-tumor vaccine.
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Document Type: Research Article
Publication date: 2008-05-01
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