RNA INTERFERENCE MEDIATED INHIBITION OF CHROMOSOME TRANSLOCATION GENE EXPRESSION USING SHORT INTERFERING NUCLEIC ACID (siNA)
First Claim
1. A chemically modified, short interfering nucleic acid (siNA) molecule, wherein:
- (a) the siNA comprises a sense strand and a separate antisense strand, each strand having one or more pyrimidine nucleotides and one or more purine nucleotides;
(b) each strand is independently 18 to 27 nucleotides in length, and together comprise a duplex having between 17 and 23 base pairs;
(c) the antisense strand is complementary to a human BCR-ABL fusion gene RNA sequence, and;
(d) a plurality of the pyrimidine nucleotides present in the sense strand are 2′
-deoxy-2′
-fluoro pyrimidine nucleotides and a plurality of the purine nucleotides present in the sense strand are 2′
-deoxy purine nucleotides.
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Abstract
This invention relates to compounds, compositions, and methods useful for modulating chromosomal translocation gene expression using short interfering nucleic acid (siNA) molecules. This invention also relates to compounds, compositions, and methods useful for modulating the expression and activity of other genes involved in pathways of chromosomal translocation gene expression and/or activity by RNA interference (RNAi) using small nucleic acid molecules. In particular, the instant invention features small nucleic acid molecules, such as short interfering nucleic acid (siNA), short interfering RNA (siRNA), double-stranded RNA (dsRNA), micro-RNA (miRNA), and short hairpin RNA (shRNA) molecules and methods used to modulate the expression of BCR-ABL, ERG, EWS-ERG, TEL-AML1, EWS-FLI1, TLS-FUS, PAX3-FKHR, and/or AML1-ETO fusion genes.
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Citations
25 Claims
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1. A chemically modified, short interfering nucleic acid (siNA) molecule, wherein:
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(a) the siNA comprises a sense strand and a separate antisense strand, each strand having one or more pyrimidine nucleotides and one or more purine nucleotides; (b) each strand is independently 18 to 27 nucleotides in length, and together comprise a duplex having between 17 and 23 base pairs; (c) the antisense strand is complementary to a human BCR-ABL fusion gene RNA sequence, and; (d) a plurality of the pyrimidine nucleotides present in the sense strand are 2′
-deoxy-2′
-fluoro pyrimidine nucleotides and a plurality of the purine nucleotides present in the sense strand are 2′
-deoxy purine nucleotides. - View Dependent Claims (14, 19, 21, 22, 23, 24, 25)
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2-13. -13. (canceled)
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15-18. -18. (canceled)
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20. (canceled)
Specification