Cyclodextrin cellular delivery system for oligonucleotides

A - Human Necessities – 61 – K

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Details

A61K 31/70 (2006.01) A61K 47/40 (2006.01) A61K 47/48 (2006.01)

Patent

CA 2191777

Disclosed is a composition including an oligonucleotide complexed with a cyclodextrin. The oligonucleotide may be noncovalently associated with the cyclodextrin. Alternatively, the oligonucleotide may be covalently complexed with adamantane which is noncovalently associated with the cyclodextrin. Also disclosed are methods of enhancing the cellular uptake and intracellular concentration of oligonucleotides, methods of increasing the solubility of an oligonucleotide in a cell, and methods of treating a cell for viral infection or to prevent viral infection.

La présente invention concerne une composition comprenant un oligonucléotide transformé en complexe avec une cyclodextrine. L'oligonucléotide peut être associé sans covalence avec la cyclodextrine. Dans une autre réalisation, l'oligonucléotide peut être transformé en complexe de manière covalente avec l'adamantane qui n'est pas associée de manière covalente avec la cyclodextrine. L'invention concerne également des procédé d'amélioration de l'assimilation cellulaire ainsi que de la concentration intracellulaire des oligonucléotides, des procédés d'accroissement de la solubilité d'un oligonucléotide dans une cellule et des procédés de traitement d'une cellule contre une infection virale ou de prévention d'infection virale.

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