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Vaccine. 2006 Jan 30;24(5):671-82. Epub 2005 Aug 24.

Recombinant adenovirus type 5 vectors that target DC-SIGN, ChemR23 and alpha(v)beta3 integrin efficiently transduce human dendritic cells and enhance presentation of vectored antigens.

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  • 1Department of Microbiology and Immunology, University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY 14642, USA.


Recombinant adenoviruses (rAds) represent a promising system for vaccine delivery but transduce dendritic cells (DC) relatively poorly. To address this concern, we used a biotin-avidin linkage to conjugate rAd vectors to ligands which bind with high affinity to selected receptors on DC (ChemR23, alpha(v)beta3 integrin, and DC-SIGN). The targeted vectors had an enhanced ability to transduce human monocyte-derived DC compared to untargeted virus. In addition, DC transduced with targeted rAd vectors were more efficient at stimulating cytokine production by autologous memory CD8+ T cells, against a vector-encoded antigen. These results expand the range of cell surface receptors that can be used to target rAd5 vectors to DC, and may facilitate future development of rAd-based vaccines.

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