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Delivery of EZH2-shRNA with mPEG-PEI nanoparticles for the treatment of prostate cancer in vitro

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Small interfering RNA (siRNA) is a promising therapeutic approach for castration-resistant prostate cancer (PCa). For the clinical application of siRNA, it is vital to find a safe and efficient gene transfer vector. Nanotechnology can provide a crucial advantage in developing strategies for cancer management and treatment by helping to improve the safety and efficacy of new therapeutic delivery vehicles. In this study, we describe a novel nanoparticle (mPEG-PEI) as an efficient non-viral carrier and found that this copolymer displayed enhanced efficiency in the shRNA-mediated knockdown of target genes. The enhancer of zeste homologĀ 2 (EZH2) is often elevated in castration-resistant PCa and has been implicated in the progression of human PCa. Targeting EZH2 may have therapeutic efficacy for the treatment of metastatic, hormone-refractory PCa. mPEG-PEI binds plasmid DNA yielding nanoparticles and these complexes exhibit low cytotoxicity and high gene transfection efficiency. Taken together, mPEG-PEI may be a promising non-viral gene carrier for the delivery of EZH2 short hairpin (sh)RNA to PC3 cells for advanced PCa therapy.
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Document Type: Research Article

Affiliations: 1: Department of Oncology, Clinical Medical College of Yangzhou University, Yangzhou, Jiangsu 225001, P.R. China 2: Department of Urology, Clinical Medical College of Yangzhou University, Yangzhou, Jiangsu 225001, P.R. China 3: Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China

Publication date: June 1, 2014

More about this publication?
  • The International Journal of Molecular Medicine is a monthly, peer-reviewed journal devoted to the publication of high quality studies related to the molecular mechanisms of human disease. The journal welcomes research on all aspects of molecular and clinical research, ranging from biochemistry to immunology, pathology, genetics, human genomics, microbiology, molecular pathogenesis, molecular cardiology, molecular surgery and molecular psychology.

    The International Journal of Molecular Medicine aims to provide an insight for researchers within the community in regard to developing molecular tools and identifying molecular targets for the diagnosis and treatment of a diverse number of human diseases.
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