Abstract
RNA interference (RNAi) technology is a promising approach for efficient silencing of a particular gene for cancer gene therapy. However, the main obstacle for the development of RNAi-based therapeutic approaches is the delivery of the RNAi effector molecules to target cells. One promising strategy to surmount this challenge is the application of nonpathogenic bacteria as a delivery vector to target cells. In this chapter, the design of invasive Escherichia coli is described. The strain carries a plasmid encoding short hairpin RNAs (shRNAs), a protein (invasin) necessary for endocytotic absorption of the bacteria by target cells, and listeriolysin O required for the lysis of endocytotic vesicles within the target cells.
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Acknowledgements
Own experiments for overcoming cancer MDR by RNAi were supported by grants LA 1039/2-1, LA 1039/2-3, and LA 1039/5-1 of the “Deutsche Forschungsgemeinschaft” (DFG), and by the “RNA-network” funded by the “Bundesministerium für Bildung und Forschung” (BMBF) and Berlin by grant no. 01GU0615 of the BMBF as well as the “Deutscher Akademischer Austauschdienst” (DAAD).
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Ahmed, O., Krühn, A., Lage, H. (2015). Delivery of siRNAs to Cancer Cells via Bacteria. In: Sioud, M. (eds) RNA Interference. Methods in Molecular Biology, vol 1218. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-1538-5_7
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DOI: https://doi.org/10.1007/978-1-4939-1538-5_7
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