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Biochem Biophys Res Commun. 2006 Nov 3;349(4):1220-7. Epub 2006 Sep 11.

Inhibition of HIV-1 replication by vesicular stomatitis virus envelope glycoprotein pseudotyped baculovirus vector-transduced ribozyme in mammalian cells.

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  • 1Department of Life and Environmental Science, Faculty of Engineering, Chiba Institute of Technology, 2-17-1 Tsudanuma, Narashino, Chiba 275-0016, Japan.


The baculovirus has recently emerged as a promising vector for in vivo gene therapy. To investigate its potential as a delivery vector for an anti-virus ribozyme targeting HIV-1, we constructed recombinant baculovirus vectors bearing a ribozyme-synthesizing cassette driven by the tRNA(i)(Met) promoter with enhanced transduction efficiency by displaying vesicular stomatitis virus glycoprotein (VSV-G) on the viral envelope. Transduction of HeLa CD4(+) cells with a recombinant baculovirus delivering the HIV-1 U5 gene-specific ribozyme dramatically suppressed HIV-1 expression in this cell line. The VSV-G pseudotyped baculovirus vector-transduced ribozyme potently inhibited HIV-1 replication compared to a recombinant baculovirus vector-transduced ribozyme lacking VSV-G. The use of a baculovirus vector might be beneficial for application in gene therapy.

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