Oligonucleotide mediated inhibition of hepatitis b virus and...

C - Chemistry – Metallurgy – 07 – H

Patent

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Details

C07H 21/02 (2006.01) A01K 67/00 (2006.01) A01K 67/027 (2006.01) A01K 67/033 (2006.01) A61K 38/21 (2006.01) C07H 21/04 (2006.01) C12N 15/11 (2006.01) G01N 33/00 (2006.01) A61K 38/00 (2006.01) C12Q 1/70 (2006.01)

Patent

CA 2442092

The present invention relates to nucleic acid molecules, including antisense and enzymatic nucleic acid molecules, such as hammerhead ribozymes, DNAzymes, Inozymes, Zinzymes, Amberzymes, and G-cleaver ribozymes, which modulate the synthesis, expression and/or stability of an HCV or HBV RNA and methods for their use alone or in combination with other therapies. In addition, nucleic acid decoy molecules and aptamers that bind to HBV reverse transcriptase and/or HBV reverse transcriptase primer sequences and methods for their use alone or in combination with other therapies, are disclosed. Oligonucleotides that specifically bind the Enhancer I region of HBV DNA are further disclosed. The present invention further relates to the use of nucleic acids, such as decoy and aptamer molecules of the invention, to modulate the expression of Hepatitis B virus (HBV) genes and HBV viral replication. Furthermore, HBV animal models and methods of use are disclosed, including methods of screening for compounds and/or potential therapies directed against HBV. The present invention also relates to compounds, including enzymatic nucleic acid molecules, ribozymes, DNAzymes, nuclease activating compounds and chimeras such as 2',5'-adenylates, that modulate the expression and/or replication of hepatitis C virus (HCV).

L'invention concerne des molécules d'acide nucléique, y compris des molécules d'acide nucléique anti-sens et enzymatiques, telles que ribozymes <= marteau >=, DNAzymes, inozymes, zinzymes, amberzymes et ribozymes cliveur G, qui modulent la synthèse, l'expression et/ou la stabilité d'un HCV ou HBV RNA, ainsi que des procédés permettant leur utilisation, seules ou en combinaison avec d'autres traitements. L'invention concerne en outre des molécules appâts d'acide nucléique et des aptamères capables de se lier à une trancriptase inverse HBV et/ou à des séquences d'amorçage de transcriptase inverse HBV, ainsi que des procédés permettant leur utilisation, seules ou en combinaison avec d'autres traitements. L'invention a également trait à des oligonucléotides liant spécifiquement la région stimulatrice I de HBV AND. L'invention concerne, par ailleurs l'utilisation d'acides nucléiques, tels que des molécules appâts et aptamères de l'invention, en vue de moduler l'expression des gènes du virus hépatite B (HBV) et de la réplication virale HBV. On décrit également des modèles animaux HBV et des procédés d'utilisation, y compris des procédés de triage pour des composés et/ou des traitements potentiels dirigés contre HBV. L'invention concerne enfin des composés, y compris des molécules d'acides nucléiques enzymatiques, des ribozymes, DNAzymes, composés d'activation de nucléase et des chimères telles que des 2',5'-adénylates qui modulent l'expression et/ou la réplication du virus de l'hépatite C (HCV).

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