Three-layered polyplex as a microRNA targeted delivery system for breast cancer gene therapy

MicroRNAs (miRNAs), small non-coding RNAs, play an important role in modulating cell proliferation, migration, and differentiation. Since miRNAs can regulate multiple cancer-related genes simultaneously, regulating miRNAs could target a set of related oncogenic genes or pathways. Owing to their redu...

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Veröffentlicht in:Nanotechnology 2017-07, Vol.28 (28), p.285101
Hauptverfasser: Li, Yan, Dai, Yu, Zhang, Xiaojin, Chen, Jihua
Format: Artikel
Sprache:eng
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Zusammenfassung:MicroRNAs (miRNAs), small non-coding RNAs, play an important role in modulating cell proliferation, migration, and differentiation. Since miRNAs can regulate multiple cancer-related genes simultaneously, regulating miRNAs could target a set of related oncogenic genes or pathways. Owing to their reduced immune response and low toxicity, miRNAs with small size and low molecular weight have become increasingly promising therapeutic drugs in cancer therapy. However, one of the major challenges of miRNAs-based cancer therapy is to achieve specific, effective, and safe delivery of therapeutic miRNAs into cancer cells. Here we provide a strategy using three-layered polyplex with folic acid as a targeting group to systemically deliver miR-210 into breast cancer cells, which results in breast cancer growth being inhibited.
ISSN:0957-4484
1361-6528
DOI:10.1088/1361-6528/aa757f