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Optimization of vesicular stomatitis virus-G pseudotyped feline immunodeficiency virus vector for minimized cytotoxicity with efficient gene transfer

 Jae Jin Song  ;  Boyoung Lee  ;  Jin Woo Chang  ;  Joo-Hang Kim  ;  Yunhee Kim Kwon  ;  Heuiran Lee 
 Virus Research, Vol.93(1) : 25-30, 2003 
Journal Title
 Virus Research 
Issue Date
FIV-based lentiviral vector has shown a unique opportunity as an efficient gene delivery vehicle, especially to nondividing human cells. Here, we genetically reconstructed the FIV-based vector by serially deleting residual virus genes of gag and vif, leading to minimized cytotoxicity together with efficient virus production and gene transfer. The modified FIV- based vector was generated by transiently transfecting 293T cells with three plasmids of the gene transfer vector with minimal gag region, the packaging plasmid without vif and the VSV-G-expressing plasmid. The vector was routinely generated as many as 1×107 transducing particles per ml and easily concentrated by simple centrifugation. The cytotoxic effect significantly decreased in sensitive cells to FIV infection even at high multiplicity of infection (MOI), such as 500. Moreover, the transduction efficiency was consistently retained after cell cycle was arrested in a variety of human cells. Taken together, our results suggest that the modified VSV-G pseudotyped FIV-based vector efficiently transduce dividing and nondividing human cells with minimal cytotoxicity.
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5. Research Institutes (연구소) > Institute for Cancer Research (암연구소) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
김주항(Kim, Joo Hang)
송재진(Song, Jae Jin) ORCID logo https://orcid.org/0000-0001-8183-9550
장진우(Chang, Jin Woo) ORCID logo https://orcid.org/0000-0002-2717-0101
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