Nucleic acid modulation of toll-like receptor-mediated...

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A61K 48/00 (2006.01) A61K 31/712 (2006.01) A61P 37/06 (2006.01) C07H 21/00 (2006.01) C07K 14/705 (2006.01) C12N 15/88 (2006.01)

Patent

CA 2660204

The present invention provides methods of modulating the activation of certain Toll-like receptors (TLRs) such as TLR7/8 using chemically modified nucleic acid molecules. The present invention also provides methods of using such modified nucleic acid molecules to treat diseases or disorders associated with TLR7/8 activation such as systemic lupus erythematosus. The present invention further provides compositions comprising a combination of modified nucleic acid molecules and nucleic acid molecules that silence expression of one or more target sequences. Methods of using such compositions to reduce or abolish target gene expression without inducing cytokine production are also provided.

La présente invention concerne des procédés pour moduler l'activation de certains récepteurs similaires au récepteur Toll (TLR), tel que le TLR 7/8, utilisant des molécules d'acide nucléique modifié chimiquement. L'invention concerne également des procédés d'utilisation de telles molécules d'acide nucléique modifié pour traiter des maladies ou des troubles associés à l'activation du TLR 7/8, tel que le lupus érythémateux disséminé. La présente invention fournit en outre des compositions comprenant une combinaison de molécules d'acide nucléique modifié et de molécules d'acide nucléique empêchant l'expression d'une ou de plusieurs séquences cibles. Des procédés d'utilisation de telles compositions pour réduire ou abolir une expression génétique cible sans induire une production de cytokine sont également fournis.

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