Gene silencing using mRNA-cDNA hybrids

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

Reexamination Certificate

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C536S024310, C536S024100, C435S006120, C435S325000, C435S375000, C514S04400A

Reexamination Certificate

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08080652

ABSTRACT:
The present invention provides novel compositions and methods for suppressing the expression of a targeted gene using mRNA-cDNA duplexes. The invention further provides novel methods and compositions for generating amplified mRNA-cDNA hybrids, whose quantity is high enough to be used for the invention's gene silencing transfection. This improved RNA-polymerase chain reaction method uses thermocycling steps of promoter-linked double-stranded cDNA or RNA synthesis, in vitro transcription and then reverse transcription to amplify the amount of mRNA-cDNA hybrids up to two thousand folds within one round of the above procedure.

REFERENCES:
patent: 4416988 (1983-11-01), Rubin
patent: 4661450 (1987-04-01), Kempe et al.
patent: 4683195 (1987-07-01), Mullis et al.
patent: 4683202 (1987-07-01), Mullis
patent: 4965188 (1990-10-01), Mullis et al.
patent: 5075216 (1991-12-01), Innis et al.
patent: 5322770 (1994-06-01), Gelfand
patent: 6008048 (1999-12-01), Monia et al.
patent: 6066500 (2000-05-01), Bennett et al.
patent: 6197554 (2001-03-01), Lin et al.
patent: 6506559 (2003-01-01), Fire et al.
patent: 2004/0087526 (2004-05-01), Lin et al.
patent: 2004/0259247 (2004-12-01), Tuschl et al.
patent: 2005/0287668 (2005-12-01), Finney
patent: WO 97/24455 (1997-10-01), None
patent: WO 99/25873 (1999-05-01), None
patent: WO 02/44321 (2002-02-01), None
Lin, Shi-Lung et al. “A Novel mRNA-cDNA Interference Phenomenon for Silencing bcl-2 Expression Human LNCaP Cells” Biochemical and Biophysical Research Communications 281, 639-644 (2001).
Bosher, Julia M. et al. “RNA Interference: Genetic Wand and Genetic Watchdog” Nature Cell Biology, vol. Feb. 2000.
Lin et al., “D-RNAi (Messenger RNA-antisense DNA Interference) as a Novel Defense System Against Cancer and Viral Infections,” Current Cancer Drug Targets, 2001, pp. 241-247.
Lin et al., “Novel RNAi Therapy—Intron-Derived MicroRNA Drugs,” Drug Design Reviews—Online, 2004, I, pp. 1-9.
Lin et al., “A Novel mRNA-cDNA Interference Phenomenon for Silencing bcl-2 Expression in Human LNCaP Cells,” Biochemical and Biophysical Research Communications 281, 2001, pp. 639-644.
Parrish et al., Functional Anatomy of a dsRNA trigger: differential requirements for the two trigger strands in RNA interference. Molecular Cell, 2000, vol. 6: 1077-1087. Cell Press.
Caplen NJ. RNAi as a Gene Therapy Approach. Expert Opinon. Biol. Thera. (2003) vol. 3(4) 575-586. Ashley Publications Ltd.
Paroo et al. Challenges for RNAi in vivo. Trends in Biotechnology (2004), vol. 22(8) 390-394. Elsevier.
Novina et al. The RNAi Revolution. Nature 2004, vol. 430: 161-164. Nature Publishing Group.
Alexeev et al. Nature Biotech. 2000, 18:43-47.
Hastie et al. Proc. Natl. Acad. Sci. (1978) 75(3) 1217-1221.
Chamberlin, M., et al., “New RNA Polymercease fromEscherichia coliInfected with Bacteriophage T7,”Nature228, 227-231 (1970).
Cogoni, C. et al., “Gene Silencing inNeurospora crassaRequires a Protein Homologous to RNA-Dependent RNA Polymerase,”Nature399, 166-169 (1999).
Compton, J. “Nucleic Acid Sequence-Based Amplification,”Nature350, 91-92 (1991).
Fire, A., et al. “Potent and Specific Genetic Interference by Double-Stranded RNA inCaenorhabditis elegans,” Nature391 806-811 (1998).
Wianny, F., et al. “Specific Interference with Gene Function by Double-Stranded RNA in Early Mouse Development,”NatureCell Biology, 2, 70-75 (2000).
Embleton, M.J., et al. “In-Cell PCR from mRNA: Amplofying and Linking the Rearranged Immunoglobulin Heavy and Light Chain V-Genes within Single Cells,”Nucleic Acids Research,20 (15), 3831-3837 (1992).
Lin, S.-L, et al., “In Vivo analysis of Canerous Gene Expression by RNA-Polymerase Chain Reaction,”Nucleic Acids Research,27 (23) 4585-4589 (1999).
Eberwine, J., et al. “Analysis of Gene Expression in Single Live Neurons,”Proc. Natl. Acad. Sci. USA, 89, 3010-3014 (1992).
Kacian, D.L., et al., “A Replicating RNA Molecule Suitable for a Detailed Analysis of Extracellular Evolution and Replication,”Proc. Nat. Acad. Sci. USA, 69 (10), 3038-3042 (1972).
Misquitta, L., et al. “Targeted Disruption of Gene Function inDrosophilaby RNA Interference (RNA-i): A Role forNautilusin Embroyonic Somatic Muscle Formation,”Proc. Natl. Acad. Sci. USA, 96, 1451-1456 (1999).
Filipovska, J., et al., “Specific HDV RNA-Templated Transcription by Pol II in Vitro,” RNA, 6, 41-54, (2000).
Grishok, A., et al., “Genetic Requirements for Inheritance of RNAi inC. Elegans,” Science,287, 2494-2497 (2000).
Shimoda-Matsubayashi, et al., “Structural Dimorphism in the Mitochondrial Targeting Sequence in the Human Manganese Superoxide Dismutase Gene: A Predictive Evidence for Conformational Change to Influence Mitochondrial Transport and a Study of Allelic Association in Parkinson's Disease,”Biochemical and Biophysical Research Communications,226, 561-565,Art No. 1394(1996).
Ambrosone, C.B., et al., “Manganese Superoxide Dismutase (MnSOD) Genetic Polymorphisms, Dietary Antioxidants, and Risk of Breast Cancer,”Cancer Research,59, 602-606, (1999).
Lin, S.-L, et al., “Differentially Expressed Genes in Activin-Induced Apoptotic LNCaP Cells,”Biochemical and Biophysical Research Communications,257, 187-192 (1999).
Wargelius, A., et al., “Double Stranded RNA Induces Specific Development Defects in Zebrafish Embryos,”Biochemical and Biophysical Research Communications,263, 156-161 (1999).
Myers, et al., “Reverse Transcription and DNA amplification by aThermus thermophilusDNA Polymerase,”Biochemistry,30:31, 7661-7666 (1991).
Grant, S.R., “Dissecting the Mechanisms of Posttranscriptional Gene Silencing: Divide and Conquer,”Cell,96 303-306 (1999).
Kennerdell, J.R., et al., “Use of dsRNA-Mediated Genetic Interference to Demonstrate that frizzled and frizzled 2 Act in the Wingless Pathway,”Cell,95, 1017-1026 (1998).
Ketting, R.F., et al. “mut-7 ofC. elegans,Required for Transposon Silencing and RNA Interference, is a Homolog of Werner Syndrome Helicase and RNaseD,”Cell99, 133-141 (1999).
Pal-Bhadra, M., et al. “Cosuppression of Nonhomologous Transgenes inDrosophilaInvolves Mutually Rel;ated Endogenous Sequences,”Cell,99, 35-46 (1999).
Tabara, H., et al. “The rde-1 Gene, RNA Interference, and Transposon Silencing inC. elegans,” Cell,99 123-132 (1999).
Zamore, P.D., et al. “RNAi: Double-Stranded RNA Directs the ATP-Dependent Clevage of mRNA at 21 to 23 Nucleotide Intervals,”Cell,101, 25-33 (2000).
Smardon, A., et al. “EGO-1 is Related to RNA-Directed RNA Polymerase and Functions in Germ-Line Development and RNA Interference inC. elegans,” Current Biology,10, 169-178 (2000).
Yang, D., et al. “Evidence that Processed Small dsRNAs May Mediate Sequence-Specific mRNA Degradation During RNAi inDrosophilaEmbryos,”Current Biology,10 1191-1200 (2000).
Modahl, L.E., et al. “RNA-Dependent Replication and Transcription of Hepatitis Dela Virus RNA Involve Distinct Cellular RNA Polymerase,”Molecular and Cellular Biology,20(16) 6030-6039 (2000).
Sambrook et al., “Molecular Cloning: Northern Hybridization,” 2ndEd.,Cold Spring Harbor Laboratory Press,7.39-7.52 (1989).
Lin, Shi-Lung, et al., “A Novel mRNA-cDNA Interference Phenomenon for Silencing bci-2 Expression Human LNCaP Cells”Biochemical and Biophysical Research Communication281, 639-644 (2001).
Bosher, Julia M., et al., “RNA Interference: Genetic Wand and Genetic Watchdog” Nature Cell Biology, vol. Feb. 2000.

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