Chitosan-Coated Red Fluorescent Protein Nanoparticle As A Potential Dual- Functional Sirna Carrier

Nanomedicine (London, England)(2015)

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摘要
Aims: Developing safe and efficient nano vectors is critical for the success of siRNA therapy. Materials & methods: By encapsulating red fluorescent protein (RFP) with chitosan (CS), a dual-functional siRNA delivery nano vector, RFP@CS, has been synthesized. Results: RFP@CS has an optimum size of 7-23 nm for siRNA delivery; and the fluorescence of RFP, protected by CS coating, provides an excellent probe to track the delivery of siRNA. RFP@CS delivers siRNA efficiently into cells and the targeted gene could be completely silenced even after 48 h. No cytotoxicity or acute toxicity in mice was observed. Conclusion: The high transfection efficacy and safety demonstrate RFP@CS is a promising nano vector for the gene therapy.
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关键词
chitosan,drug delivery,imaging,red fluorescent protein,siRNA
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