Double-stranded ribonucleic acids with rugged...

C - Chemistry – Metallurgy – 12 – N

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Details

C12N 15/11 (2006.01) A61K 31/7105 (2006.01) A61K 31/713 (2006.01) C07H 21/02 (2006.01)

Patent

CA 2741204

The invention relates to our discovery of a novel double-stranded ribonucleic acid (dsRNA) having specific biological activities, which includes acting as a selective agonist for activation of the Toll-like receptor 3. Its "rugged" molecular structure as measured by physico-chemical techniques is resistant to molecular unfolding (i.e., denaturation). This structure appears to be responsible for increased efficacy of dsRNA in therapeutic applications and improved biological activity (e.g., used as an immunoregulatory agent). Medicaments, processes for their manufacture, and methods for their use are provided herein.

La présente invention concerne un nouvel acide ribonucléique bicaténaire (ARNdb) ayant des activités biologiques spécifiques, qui comprennent l'action en tant qu'agoniste sélectif pour l'activation du récepteur Toll-like 3. Sa structure moléculaire « robuste » mesurée par des techniques physico-chimiques est résistante au dépliement moléculaire (c'est-à-dire, la dénaturation). Il apparaît que cette structure est responsable de l'efficacité augmentée d'ARNdb dans des applications thérapeutiques et d'une activité biologique améliorée (par exemple, utilisé en tant qu'agent immunorégulateur). La présente invention concerne en outre des médicaments, des procédés pour leur fabrication, et des procédés pour leur utilisation.

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