Adenoviral vectors with modified capsid proteins

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/34 (2006.01) A61K 48/00 (2006.01) C07K 14/075 (2006.01) C12N 15/86 (2006.01) C12N 15/861 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2317941

The present invention is directed to adenoviral vectors having modified capsid proteins which comprise heterologous ligands that improve and/or alter the infectious capability of the vector. Such ligands are capable of binding to target cells, and their inclusion into adenoviral vectors facilitates the binding and infectious properties of the vectors. In a preferred embodiment, the ligands are peptides, and the target cells are epithelial cells. The invention is also directed to novel heterologous ligands, to ligand-receptor complexes, and to compositions comprising the adenoviral vectors of the invention. Additional aspects of the invention include methods to use the adenoviral vectors of the invention to deliver transgenes to target cells.

Cette invention concerne des vecteurs d'adénovirus comportant des protéines capsidiques modifiées qui comprennent des ligands hétérologues qui améliorent et/ou altèrent le potentiel infectieux du vecteur. Ces ligands sont capables de se lier à des cellules cibles, et leur inclusion dans des vecteurs d'adénovirus facilite la liaison et le potentiel infectieux des vecteurs. Dans une forme de réalisation préférée, les ligands sont des peptides et les cellules cibles sont des cellules épithéliales. Cette invention concerne également de nouveaux ligands hétérologues, des complexes ligand-récepteur, et des compositions contenant les vecteurs d'adénovirus de cette invention. D'autres aspects de l'invention portent sur des procédés d'utilisation des vecteurs d'adénovirus de cette invention pour apporter des transgènes à des cellules cibles.

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