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Article

Linear polyethylenimine-plasmid DNA nanoparticles are ototoxic to the cultured sensory epithelium of neonatal mice

  • Authors:
    • Han Zhou
    • Xiaofeng Ma
    • Yongze Liu
    • Lei Dong
    • Yi Luo
    • Guangjie Zhu
    • Xiaoyun Qian
    • Jie Chen
    • Lin Lu
    • Junguo Wang
    • Xia Gao
  • View Affiliations / Copyright

    Affiliations: Department of Otorhinolaryngology, Nanjing Drum Tower Hospital, Nanjing, Jiangsu 210008, P.R. China, Department of Clinical Medicine, Medical School of Nanjing University, Nanjing, Jiangsu 210093, P.R. China, State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu 210093, P.R. China
  • Pages: 4381-4388
    |
    Published online on: February 5, 2015
       https://doi.org/10.3892/mmr.2015.3306
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Abstract

Polyethylenimine (PEI) has been demonstrated to be an effective non‑viral synthetic polymer for efficient gene delivery amongst various cell types in vitro and in vivo. In the present study, 25 kDa linear PEI (L‑PEI) was used to transfer plasmid DNA (pDNA), encoding the enhanced green fluorescent protein reporter gene, into the cultured cochlear epithelium of neonatal mice. The 25 kDa L‑PEI/pDNA nanoparticles were generated in phosphate‑buffered saline prior to transfection. Sensory epithelial cells were transfected using an appropriate weight ratio of L‑PEI and pDNA. However, the use of higher L‑PEI/pDNA ratios, which result in the generation of a greater number of nanoparticles, induced significant damage to the sensory epithelial cells, as demonstrated by immunofluorescent and transmission electron microscopy analyses. These results indicated that precautionary measures are required with regard to the use of PEI nanoparticles in nanomedicine, and emphasized the requirement for thorough physicochemical characterization and toxicity testing for each polymer vector prior to the construction of nanotechnology systems for use in clinical applications. The development of effective management techniques for potential nano‑ototoxicity risks is of considerable significance to the clinical applications of nanoparticles.
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Copy and paste a formatted citation
Spandidos Publications style
Zhou H, Ma X, Liu Y, Dong L, Luo Y, Zhu G, Qian X, Chen J, Lu L, Wang J, Wang J, et al: Linear polyethylenimine-plasmid DNA nanoparticles are ototoxic to the cultured sensory epithelium of neonatal mice. Mol Med Rep 11: 4381-4388, 2015.
APA
Zhou, H., Ma, X., Liu, Y., Dong, L., Luo, Y., Zhu, G. ... Gao, X. (2015). Linear polyethylenimine-plasmid DNA nanoparticles are ototoxic to the cultured sensory epithelium of neonatal mice. Molecular Medicine Reports, 11, 4381-4388. https://doi.org/10.3892/mmr.2015.3306
MLA
Zhou, H., Ma, X., Liu, Y., Dong, L., Luo, Y., Zhu, G., Qian, X., Chen, J., Lu, L., Wang, J., Gao, X."Linear polyethylenimine-plasmid DNA nanoparticles are ototoxic to the cultured sensory epithelium of neonatal mice". Molecular Medicine Reports 11.6 (2015): 4381-4388.
Chicago
Zhou, H., Ma, X., Liu, Y., Dong, L., Luo, Y., Zhu, G., Qian, X., Chen, J., Lu, L., Wang, J., Gao, X."Linear polyethylenimine-plasmid DNA nanoparticles are ototoxic to the cultured sensory epithelium of neonatal mice". Molecular Medicine Reports 11, no. 6 (2015): 4381-4388. https://doi.org/10.3892/mmr.2015.3306
Copy and paste a formatted citation
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Spandidos Publications style
Zhou H, Ma X, Liu Y, Dong L, Luo Y, Zhu G, Qian X, Chen J, Lu L, Wang J, Wang J, et al: Linear polyethylenimine-plasmid DNA nanoparticles are ototoxic to the cultured sensory epithelium of neonatal mice. Mol Med Rep 11: 4381-4388, 2015.
APA
Zhou, H., Ma, X., Liu, Y., Dong, L., Luo, Y., Zhu, G. ... Gao, X. (2015). Linear polyethylenimine-plasmid DNA nanoparticles are ototoxic to the cultured sensory epithelium of neonatal mice. Molecular Medicine Reports, 11, 4381-4388. https://doi.org/10.3892/mmr.2015.3306
MLA
Zhou, H., Ma, X., Liu, Y., Dong, L., Luo, Y., Zhu, G., Qian, X., Chen, J., Lu, L., Wang, J., Gao, X."Linear polyethylenimine-plasmid DNA nanoparticles are ototoxic to the cultured sensory epithelium of neonatal mice". Molecular Medicine Reports 11.6 (2015): 4381-4388.
Chicago
Zhou, H., Ma, X., Liu, Y., Dong, L., Luo, Y., Zhu, G., Qian, X., Chen, J., Lu, L., Wang, J., Gao, X."Linear polyethylenimine-plasmid DNA nanoparticles are ototoxic to the cultured sensory epithelium of neonatal mice". Molecular Medicine Reports 11, no. 6 (2015): 4381-4388. https://doi.org/10.3892/mmr.2015.3306
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