Viral vectors and viral vaccines based on recombinant...

C - Chemistry – Metallurgy – 12 – N

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Details

C12N 15/86 (2006.01) A61K 48/00 (2006.01) C12N 15/34 (2006.01) C12N 15/861 (2006.01)

Patent

CA 2362454

The invention relates to an in vivo replicative and recombined porcine adenovirus characterized in that it comprises a heterologous nucleotide sequence inserted into the porcine adenovirus in conditions enabling the latter to be replicated in vivo and to express the inserted heterologous nucleotide sequence, and in that the adenovirus genome comes from a 3 or 5 serotype (PAV-3 or PAV-5) adenovirus. Insertion occurs in a non-essential zone of the E3 region, preferably with deletion of said zone. The invention also relates to a recombined porcine vaccine comprising one such porcine adenovirus. The invention further relates to a serotype 3 or 5 porcine adenovirus vector that is replicative in vivo and is deleted in a non-essential region of the genome thereof. The invention also relates to a DNA fragment comprising all or part of the referenced SEQ ID NO:5 nucleotide sequence.

Adénovirus porcin recombiné et réplicatif in vivo, caractérisé en ce qu'il comprend une séquence nucléotidique hétérologue insérée dans le génome de l'adénovirus porcin dans des conditions permettant à ce dernier de se répliquer in vivo et d'exprimer la séquence nucléotidique hétérologue insérée, et en ce que le génome d'adénovirus provient d'un adénovirus de sérotype 3 ou 5 (PAV-3 ou PAV-5). L'insertion est notamment dans une zone non essentielle de la région E3, de préférence avec une délétion de cette zone. Vaccin recombiné porcin comprenant un tel adénovirus porcin. Vecteur adénovirus porcin de sérotype 3 ou 5, à la fois réplicatif in vivo et délété dans une région non essentielle de son génome. Fragment d'AND comprenant tout ou partie de la séquence nucléotidique référencée SEQ ID NO : 5.

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