期刊
ANALYTICAL CHEMISTRY
卷 84, 期 1, 页码 26-29出版社
AMER CHEMICAL SOC
DOI: 10.1021/ac202749p
关键词
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资金
- National Science Foundation [CHE 0848701]
While the importance of microRNAs (miRNAs) in cancer treatment or manipulation of genetic expression has been increasingly recognized for developing miRNA-based therapies, the controlled delivery of miRNAs into specific cells constitutes a challenging task. This report describes preliminary findings from an investigation of the conjugation of gold nanoparticles with miRNAs (miRNA AuNPs) and their cell transfection. The immobilization of miRNAs on the AuNPs was detected, and the surface stability was substantiated by gel electrophoresis assessment of the highly charged characteristics of miRNA AuNPs and their surface-exchange inactivity with a highly charged surfactant. The miRNA AuNPs were tested in cell transfection using multiple myeloma cells, demonstrating efficient knockdown in the functional luciferase assay. The findings have important implications for understanding the mechanistic details of cell transfection involving miRNA-conjugated nanoparticles as biosensing or targeting probes.
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