A general and efficient delivery system applicable to proteins of different physiochemical properties


Technology This invention provides a general and efficient protein delivery platform that enables intracellular delivery of proteins having different physiochemical properties. The delivery system involves the use of surface functionalized nanoparticles to form self-assembled superstructures with the protein to be delivered. The nanoparticle-protein assemblies effectively escape endosomal entrapment and rapidly deliver the protein into the cell cytosol or the targeting organelle. This protein delivery system has been successfully demonstrated for the efficient delivery of the CRISPR/Cas9 gene editing system as well as a number of other proteins with different physiochemical properties.  

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