期刊
CHEMICAL COMMUNICATIONS
卷 54, 期 49, 页码 6368-6371出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8cc01376d
关键词
-
资金
- Scientific and Technological Research Council of Turkey
Gene silencing using small interfering RNA (siRNA) is a promising strategy for the treatment of multiple diseases. However, the low in vivo stability of siRNA, its poor pharmacokinetics and inability to penetrate inside cells limit its employment in the clinic. Here, we present a novel redox-sensitive micellar nanopreparation based on a triple conjugate of polyethylene glycol, polyethyleneimine and phosphatidylethanolamine, PEG-SS-PEI-PE (PSSPD). This non-toxic system efficiently condenses siRNA and specifically downregulates target green fluorescent protein (GFP) only under reducing conditions via intracellular siRNA release after de-shielding of PEG due to increased glutathione (GSH) levels characteristic of cancer cells.
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