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Basic Fibroblast Growth Factor Loaded Biodegradable PCL-PEG-PCL Copolymeric Nanoparticles: Preparation, In Vitro Release and Immunogenicity Study

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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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Keywords: BFGF; NANOPARTICLES; PCL-PEG-PCL; VACCINE

Document Type: Research Article

Publication date: 2008-05-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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