Engineering novel cell surface receptors for virus-mediated gene transfer

John H. Lee, Tracy J. Baker, Lara Mahal, Joseph Zabner, Carolyn R. Bertozzi, David F. Wiemer, Michael J. Welsh

Research output: Contribution to journalArticle

Abstract

The absence of viral receptors is a major barrier to efficient gene transfer in many cells. To overcome this barrier, we developed an artificial receptor based on expression of a novel sugar. We fed cells an unnatural monosaccharide, a modified mannosamine that replaced the acetyl group with a levulinate group (ManLev). ManLev was metabolized and incorporated into cell- surface glycoconjugates. The synthetic sugar decorated the cell surface with a unique ketone group that served as a foundation on which we built an adenovirus receptor by covalently binding biotin hydrazide to the ketone. The artificial receptor enhanced adenoviral vector binding and gene transfer to cells that are relatively resistant to adenovirus infection. These data are the first to suggest the feasibility of a strategy that improves the efficiency of gene transfer by using the biosynthetic machinery of the cell to engineer novel sugars on the cell surface.

Original languageEnglish (US)
Pages (from-to)21878-21884
Number of pages7
JournalJournal of Biological Chemistry
Volume274
Issue number31
DOIs
StatePublished - Jul 30 1999

Fingerprint

Gene transfer
Cell Surface Receptors
Viruses
Artificial Receptors
Sugars
Ketones
Genes
Glycoconjugates
Monosaccharides
Machinery
Engineers
Adenoviridae Infections
N-levulinoyl mannosamine

ASJC Scopus subject areas

  • Biochemistry

Cite this

Lee, J. H., Baker, T. J., Mahal, L., Zabner, J., Bertozzi, C. R., Wiemer, D. F., & Welsh, M. J. (1999). Engineering novel cell surface receptors for virus-mediated gene transfer. Journal of Biological Chemistry, 274(31), 21878-21884. https://doi.org/10.1074/jbc.274.31.21878

Engineering novel cell surface receptors for virus-mediated gene transfer. / Lee, John H.; Baker, Tracy J.; Mahal, Lara; Zabner, Joseph; Bertozzi, Carolyn R.; Wiemer, David F.; Welsh, Michael J.

In: Journal of Biological Chemistry, Vol. 274, No. 31, 30.07.1999, p. 21878-21884.

Research output: Contribution to journalArticle

Lee, JH, Baker, TJ, Mahal, L, Zabner, J, Bertozzi, CR, Wiemer, DF & Welsh, MJ 1999, 'Engineering novel cell surface receptors for virus-mediated gene transfer', Journal of Biological Chemistry, vol. 274, no. 31, pp. 21878-21884. https://doi.org/10.1074/jbc.274.31.21878
Lee, John H. ; Baker, Tracy J. ; Mahal, Lara ; Zabner, Joseph ; Bertozzi, Carolyn R. ; Wiemer, David F. ; Welsh, Michael J. / Engineering novel cell surface receptors for virus-mediated gene transfer. In: Journal of Biological Chemistry. 1999 ; Vol. 274, No. 31. pp. 21878-21884.
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