Recombinant adenoviral vector and methods of use

Details Recombinant adenoviral vector and methods of use Recombinant adenoviral vector and methods of use

C - Chemistry, Metallurgy

12

N

C12N 15/86 (2006.01) A61K 31/52 (2006.01) A61K 31/70 (2006.01) A61K 48/00 (2006.01) C07K 14/47 (2006.01) C12N 15/861 (2006.01) A61K 38/00 (2006.01)

Patent

CA 2173975

This invention provides a recombinant adenovirus expression vector characterized by the partial or total deletion of the adenoviral protein IX DNA and having a gene encoding a foreign protein or a functional fragment or mutant thereof. Transformed host cells and a method of producing recombinant proteins and gene therapy also are included within the scope of this invention. Thus, for example, the adenoviral vector of this invention can contain a foreign gene for the expression of a protein effective in regulating the cell cycle, such as p53, Rb, or mitosin, or in inducing cell death, such as the conditional suicide gene thymidine kinase. (The latter must be used in conjunction with a thymidine kinase metabolite in order to be effective).

L'invention concerne un vecteur recombinant d'expression d'adénovirus caractérisé par la suppression totale ou partielle de l'ADN IX de la protéine d'adénovirus et possédant un gène codant une protéine étrangère ou un de ses fragements fonctionnels ou un de ses mutants. L'invention concerne également des cellules hôtes transformées, un procédé d'obtention de protéines recombinantes et de thérapie génétique. De ce fait, par exemple, le vecteur d'adénovirus peut contenir un gène étranger servant à l'expression d'une protéine présentant une efficacité de régulation du cycle cellulaire, telle que p53, Rb ou mitosine, ou de provocation de la mort cellulaire, telle que la thymidine kinase du gène de suicide conditionnel. (Cette dernière doit s'utiliser en combinaison avec un métabolite de thymidine kinase, afin d'être efficace).

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