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US5610054A Expired / Lapsed US ⏱️ 0.0 years remaining

Enzymatic RNA molecule targeted against Hepatitis C virus

Assignee: Sirna Therapeutics Inc
•
Filing: 1994-01-13
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Granted: 1997-03-11
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Expires: 2014-01-13
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Abstract

Abstract An enzymatic RNA molecule which specifically cleaves RNA of a hepatitis C virus.

Inventors

  • 👤 Kenneth G. Draper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 04:52
CPC Classifications
C; C12; C12N; C12N15/00; C12N15/09; C12N15/11; C12N15/113; C12N15/1131; A; A61; A61P; A61P1/00; A61P1/16; A61P31/00; A61P31/12; C07; C07K; C07K14/00; C07K14/005; C12N15/63; C12N15/79; C12N15/85; C12N15/86; C12Q; C12Q1/00; C12Q1/70; C12Q1/701; C12Q1/706; C12Q1/707; A61K; A61K38/00; C12N2310/00; C12N2310/10; C12N2310/11; C12N2310/111; C12N2310/12; C12N2310/121; C12N2310/122; C12N2310/30; C12N2310/31; C12N2310/315; C12N2310/32; C12N2310/321; C12N2310/322; C12N2310/35; C12N2310/352; C12N2310/3521; C12N2310/353; C12N2310/3531; C12N2310/3533; C12N2310/3535; C12N2770/00; C12N2770/00011; C12N2770/24011; C12N2770/24211; C12N2770/24222; C12N2770/24241; C12N2770/24243

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 16 words
An enzymatic RNA molecule which is active to specifically cleave RNA of hepatitis C virus (HCV).
Claim 2
Dependent Claim 16 words
An enzymatic RNA molecule which is active to specifically cleave RNA of hepatitis C virus (HCV).
Claim 3
Dependent Claim 17 words
The enzymatic RNA molecule of claim 1 which specifically cleaves RNA of HCV in the 5'non-translated region.
Claim 4
Dependent Claim 17 words
The enzymatic RNA molecule of claim 1, wherein said enzymatic RNA molecule is in a hammerhead motif.
Claim 5
Dependent Claim 26 words
The enzymatic RNA molecule of claim 1, wherein said enzymatic RNA molecule is in a hairpin, hepatitis Delta virus, group I intron, or RNaseP RNA motif.
Claim 6
Dependent Claim 37 words
The enzymatic RNA molecule of claim 1, wherein said enzymatic RNA molecule specifically cleaves the RNA sequence comprising any of SEQ. ID. NOS. 1-8, and wherein said enzymatic RNA molecule is in a hepatitis Delta virus configuration.
Claim 7
Dependent Claim 21 words
The enzymatic RNA molecule of claim 1 which specifically cleaves RNA of HCV in the RNA encoding the core (c) region.
Claim 8
Dependent Claim 22 words
The enzymatic RNA molecule of claim 1 which specifically cleaves RNA of HCV in the RNA encoding the proteases NS3 or NS2NS3.
Claim 9
Dependent Claim 37 words
The enzymatic RNA molecule of claim 1, wherein said enzymatic RNA molecule specifically cleaves the RNA sequence comprising any of SEQ. ID. NOS. 001-506, and wherein said enzymatic RNA molecule is in a hepatitis Delta virus configuration.
Claim 10
Dependent Claim 35 words
The enzymatic RNA molecule of claim 1, wherein said enzymatic RNA molecule specifically cleaves the RNA sequence comprising any of SEQ. ID. NOS. 001-506, and wherein said enzymatic RNA molecule is in a hammerhead configuration.
Claim 11
Dependent Claim 22 words
The enzymatic RNA molecule of any of claims 1-5 and 6-9, wherein said enzymatic RNA molecule comprises at least one sugar modification.
Claim 12
Dependent Claim 23 words
The enzymatic RNA molecule of any of claims 1-5 and 6-9, wherein said enzymatic RNA molecule comprises at least one phosphate backbone modification.
Claim 13
Dependent Claim 15 words
The enzymatic RNA molecule of claim 10, wherein said sugar modification is a 2'-O-methyl group.
Claim 14
Dependent Claim 15 words
The enzymatic RNA molecule of claim 11, wherein said phosphate modification is a phosphorothioate group.
Claim 15
Dependent Claim 36 words
An expression vector including a nucleic acid encoding the enzymatic RNA molecule of may of claims 1-5, and 6-9, in a manner which allows expression of said enzymatic RNA molecule within a mammalian cell in vitro.
Claim 16
Dependent Claim 17 words
A mammalian cell including the enzymatic RNA molecule of any of claims 1-5, and 6-9, in vitro.
Claim 17
Dependent Claim 12 words
The cell of claim 15, wherein said cell is a human cell.

References Cited (Backward Citations)

US4987071A Cited
US5168053A Cited
WO1991015580A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2000-03-10 2000-09-09 2001-03-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2004-03-10 2004-09-09 2005-03-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2008-03-10 2008-09-09 2009-03-11 $7700.00 Window Closed / Lapsed

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