Inhibitory polynucleotide compositions and methods for...

C - Chemistry – Metallurgy – 12 – N

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C12N 15/11 (2006.01) A61K 31/7088 (2006.01) A61K 31/713 (2006.01) C07K 16/00 (2006.01) A61P 35/00 (2006.01)

Patent

CA 2672937

Compositions and methods for treating diseases, such as cancers. The compositions are effective to silence, down-regulate or suppress the expression of a validated target gene by stimulating the process of RNA interference of gene expression, thus inhibiting tumor growth. The invention also provides methods for treating diseases, such as cancers, by inactivation of a validated target gene product, using neutralizing antibody or small molecule drug, to inhibit tumor growth. More particularly, the compositions and methods are directed toward a cancer or a precancerous growth in a mammal, associated with pathological expression of a certain target genes identified herein. The compositions inhibit expression of the target gene when introduced into a tissue of the mammal. The methods include administering the compositions of the invention to a subject in need thereof in an amount effective to inhibit expression of a target gene in a cancerous tissue or organ.

L'invention concerne des compositions et des procédés de traitement de maladies telles que les cancers. Les compositions sont efficaces pour désactiver, réguler négativement ou supprimer l'expression d'un gène cible validé en stimulant le processus d'interférence de l'ARN de l'expression du gène, inhibant ainsi la croissance tumorale. L'invention concerne également des procédés de traitement de maladies telles que des cancers, par l'inactivation d'un produit de gène cible validé, en utilisant un anticorps neutralisant ou un médicament à petite molécule, pour inhiber la croissance tumorale. Plus particulièrement, les compositions et procédés concernent un cancer ou une croissance précancéreuse chez un mammifère, associés à l'expression pathologique d'un certain gène cible identifié ici. Les compositions inhibent l'expression du gène cible lorsqu'il est introduit dans un tissu de mammifère. Les procédés comprennent l'administration des compositions de l'invention à un sujet qui en a besoin, en une quantité efficace pour inhiber l'expression d'un gène cible dans un tissu ou un organe cancéreux.

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