Adenovirus protein ix, its domains involved in capsid...

C - Chemistry – Metallurgy – 12 – N

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C12N 15/34 (2006.01) A61K 48/00 (2006.01) C07K 14/075 (2006.01) C12N 5/10 (2006.01) C12N 7/01 (2006.01) C12N 15/861 (2006.01)

Patent

CA 2448908

Described are adenovirus pIX proteins which are modified by mutating one or more amino acids and/or by the inclusion of a binding moiety. Preferably, said modification is carried out in the N-terminal part or in the C-terminal leucine-repeat of the pIX protein. It is described that viruses or virus-like particles containing such a modified pIX protein show an improved gene delivery efficiency. Furthermore, described are corresponding adenoviral vectors, viruses or virus-like particles, host cells, complementation cell lines and methods for producing such viruses or virus-like particles. In addition, described are pharmaceutical compositions comprising an adenoviral vector, virus or virus-like particle, host cell or complementation cell line as mentioned above and therapeutical applications thereof.

L'invention concerne les protéines d'adénovirus pIX modifiées par la mutation d'un ou de plusieurs acides aminés et/ou par l'inclusion d'un groupe fonctionnel de liaison. De préférence, cette modification est effectuée dans la partie N-terminale ou la répétition C-terminale de leucine de la protéine pIX. Selon l'invention, les virus ou les particules semblables aux virus contenant cette protéine pIX modifiée manifestent une plus grande efficacité en matière de transport de gènes à destination. En outre, l'invention concerne des vecteurs adénoviraux, des virus, des particules semblables aux virus, des cellules hôtes, des lignées cellulaires de complémentation et des procédés correspondants pour produire ces virus ou ces particules semblables aux virus. De plus, l'invention concerne des compositions pharmaceutiques comprenant un vecteur adénoviral, des virus, des particules semblables aux virus, des cellules hôtes ou des lignées cellulaires de complémentation décrites ci-dessus, ainsi que leurs applications thérapeutiques.

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