Human urothelial cell specific uroplakin transcriptional...

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 15/11 (2006.01) C07K 14/47 (2006.01) C12N 5/10 (2006.01) C12N 15/00 (2006.01) C12N 15/09 (2006.01) C12N 15/67 (2006.01) C12N 15/86 (2006.01) C12N 15/861 (2006.01) C12Q 1/68 (2006.01) A61K 48/00 (2006.01)

Patent

CA 2404085

The invention provides new urothelial cell specific transcriptional regulatory sequences derived from human uroplakin II hUPII, as well as polynucleotide constructs such as adenoviral vectors and methods of using hUPII-derived TREs. Additionally, the invention provides adenoviral vectors comprising a gene, preferably an adenovirus gene, under transcriptional control of a urothelial cell-specific transcriptional regulatory element (TRE). These vectors display urothelial cell-specific cytotoxicity, which is especially useful in the context of bladder cancer, in which destruction of these cells is desirable. The invention further provides compositions and host cells comprising the vectors, as well as method of using the adenoviral vectors.

L'invention concerne des séquences de régulation transcriptionnelle spécifiques aux cellules urothéliales dérivées de l'uroplakine II (<i>hUPII</i>) humaine, des constructions polynucléotidiques telles que des vecteurs adénoviraux, ainsi que des procédés d'utilisation de TRE dérivés de <i>hUPII</i>. En outre, l'invention concerne des vecteurs adénoviraux comprenant un gène, de préférence un gène adénovirus, sous contrôle transcriptionnel d'un élément de régulation transcriptionnelle spécifique aux cellules urothéliales (TRE). Ces vecteurs présentent une cytotoxicité spécifique aux cellules urothéliales, qui est particulièrement utile dans la lutte contre le cancer de la vésicule, dans lequel la destruction de ces cellules est souhaitable. L'invention porte également sur des compositions et des cellules hôtes comprenant lesdits vecteurs, ainsi que sur des procédés d'utilisation des vecteurs adénoviraux.

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