Recombinant e1a deleted adenoviral vectors

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/34 (2006.01) A61K 48/00 (2006.01) A61P 35/00 (2006.01) C07K 14/075 (2006.01) C12N 15/861 (2006.01)

Patent

CA 2345211

The present invention is directed to recombinant adenoviral vectors capable of replication under particular host cell conditions. In particular, the present invention provides adenoviruses containing modifications to the E1a region which have therapeutic and diagnostic applications. The vectors of the present invention are capable of replication and lysis of neoplastic cells. The vectors may optionally include modifications to the genome so as to impart specific replicative or targeting functions. The present invention also provides pharmaceutical formulations of such vectors. The present invention further provides methods of use of such vectors. The present invention further provides methods of preparing the vectors.

Cette invention concerne des vecteurs adénoviraux recombinants capables de réplication dans des conditions de cellules hôtes particulières. Cette invention concerne plus précisément des adénovirus qui présentent des modifications dans la région E1a, et peuvent être utilisés lors d'applications thérapeutiques et diagnostiques. Ces vecteurs sont capables d'induire une réplication et une lyse de cellules néoplastiques. Ces vecteurs peuvent également comprendre des modifications au niveau du génome de manière à acquérir des fonctions de réplication et de ciblage spécifiques. Cette invention concerne également des formulations pharmaceutiques de ces vecteurs, des procédés d'utilisation de ces vecteurs, ainsi que des procédés de préparation de ces vecteurs.

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