Kim JS, Kim MW, Jeong HY, Kang SJ, Park SI, Lee YK, Kim HS, Kim KS, Park YS. Sendai viroplexes for epidermal growth factor receptor-directed delivery of interleukin-12 and salmosin genes to cancer cells.
J Gene Med 2018;
18:112-23. [PMID:
27191929 DOI:
10.1002/jgm.2884]
[Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Revised: 05/13/2016] [Accepted: 05/13/2016] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND
The effective delivery of therapeutic genes to target cells has been a fundamental goal in cancer gene therapy because of its advantages with respect to both safety and transfection efficiency. In the present, study we describe a tumor-directed gene delivery system that demonstrates remarkable efficacy in gene delivery and minimizes the off-target effects of gene transfection.
METHODS
The system consists of a well-verified cationic O,O'-dimyristyl-N-lysyl glutamate (DMKE), Sendai virus fusion (F) protein and hemagglutinin-neuraminidase (HN) protein, referred to as cationic Sendai F/HN virosomes. To achieve tumor-specific recognition, anti-epidermal growth factor (EGF) receptor antibody was coupled to the surface of the virosomes containing interleukin-12 (IL-12) and/or salmosin genes that have potent anti-angiogenetic functions.
RESULTS
Among the virosomal formulations, the anti-EGF receptor (EGFR) viroplexes, prepared via complexation of plasmid DNA (pDNA) with cationic DMKE lipid, exhibited more efficient gene transfection to tumor cells over-expressing EGF receptors compared to the neutrally-charged anti-EGFR virosomes encapsulating pDNA. In addition, the anti-EGFR viroplexes with IL-12 and salmosin genes exhibited the most effective therapeutic efficacy in a mouse tumor model. Especially when combined with doxorubicin, transfection of the two genes via the anti-EGFR viroplexes exhibited an enhanced inhibitory effect on tumor growth and metastasis in lungs.
CONCLUSIONS
The results of the present study suggest that anti-EGFR viroplexes can be utilized as an effective strategy for tumor-directed gene delivery. Copyright © 2016 John Wiley & Sons, Ltd.
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