Methods and compositions for reducing target gene expression using cocktails of siRNAs or constructs expressing siRNAs
First Claim
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1. A method for reducing or eliminating expression of at least one target gene in a cell comprising introducing a pool of siRNA molecules directed to at least one target gene into the cell.
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Abstract
The present invention concerns methods and compositions involving the production or generation of siRNA mixtures or pools capable of triggering RNA-mediated interference (RNAi) in a cell. Compositions of the invention include kits that include reagents for producing or generating siRNA pools. The present invention further concerns methods using polypeptides with RNase III activity for generating siRNA mixtures or pools that effect RNAi, including the generation of a number of RNA molecules to the same target gene.
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Citations
56 Claims
- 1. A method for reducing or eliminating expression of at least one target gene in a cell comprising introducing a pool of siRNA molecules directed to at least one target gene into the cell.
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24. A method for generating a pool of candidate siRNA molecules to a target gene comprising:
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a) obtaining a first dsRNA that corresponds to at least 15 contiguous basepairs of the target gene; and
b) incubating the first dsRNA with a nuclease under conditions to allow cleavage of the first dsRNA, wherein the first dsRNA is cleaved at least once to generate at least two candidate siRNA molecules that correspond to the target gene. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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- 47. A composition for reducing or eliminating expression of at least a first target gene in a cell comprising a pool of siRNAs comprising at least two different siRNA molecules directed to the at least a first target gene.
Specification