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Plasmid-Based Stat3 siRNA Delivered by Functional Graphene Oxide Suppresses Mouse Malignant Melanoma Cell Growth
* Prostate Diseases Prevention and Treatment Research Centre and Department of Pathophysiology,
Norman Bethune Medical School, Jilin University, Changchun, China
† Department of Pathology, Basic School of Guangzhou Medical University, Guangzhou, China
‡ Department of Surgery, China-Japan Union Hospital, Norman Bethune Medical School, Jilin University, Changchun, China
§ Department of Pediatric Surgery, The First Hospital, Jilin University, Changchun, Jilin, China
Oncology Research 2015, 23(5), 229-236. https://doi.org/10.3727/096504016X14550280421449
Abstract
RNA interference (RNAi) has been used for cancer gene therapy in recent years. However, the application of RNAi is hindered in the absence of safe and efficient gene delivery. In this article, a novel vehicle of graphene oxide functionalized with polyethylenimine and polyethylene glycol (GO-PEI-PEG) was successfully synthetized and then used to deliver plasmid-based Stat3 siRNA. The carrier can readily bind plasmid with high transfection efficiency. Moreover, molecular biology studies reveal that Stat3-related gene and protein expressions were significantly inhibited, suggesting that the formation of GO-PEI-PEG complexes could be utilized as a promising gene delivery in cancer therapy.Keywords
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