期刊
OLIGONUCLEOTIDES
卷 17, 期 2, 页码 166-173出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/oli.2007.0076
关键词
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Novel strategies for efficient delivery of small interfering RNA (siRNA) molecules with a potential for targeting are required for development of RNA interference (RNAi) therapeutics. Here, we present a strategy that is based on delivery of siRNA molecules through the endocytic pathway, in order to develop a method for site-specific gene silencing. To achieve this, we combined the use of cationic lipids and photochemical internalization (PCI). Using the human S100A4 gene as a model system, we obtained potent gene silencing in four tested human cancer cell lines following PCI induction when using the cationic lipid jetSI(TM) -ENDO. Gene silencing was shown at both the RNA and protein levels, with no observed PCI toxicity when using the jetSI(TM) reagent and an optimized PCI protocol. This novel induction method opens for in vivo site-specific delivery of siRNA molecules toward a sequence of interest.
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