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Improved islet transplantation outcome by the co-delivery of siRNAs for iNOS and 17β-estradiol using an R3V6 peptide carrier.
Abstract Silencing target genes such as inducible nitric oxide synthase (iNOS) using small interfering double-stranded RNA (siRNA) in islet cells has been attempted to enhance the survival of transplanted islets. However, the efficient and safe delivery of siRNA into intact islets is challenging. Here, we prepared R3V6 peptides containing a three-arginine stretch and a six-valine stretch, which form micelles with hydrophobic valine cores and cationic arginine surfaces in aqueous solution, to co-deliver siRNA and cytoprotective hydrophobic drugs to islet cells. The cationic surfaces bound to the negatively charged ...
Source: Biomaterials - December 6, 2014 Category: Materials Science Authors: Hwang HJ, Lee M, Park JH, Jung HS, Kang JG, Kim CS, Lee SJ, Ihm SH Tags: Biomaterials Source Type: research