alexa Expression profiling reveals off-target gene regulation by RNAi.
Genetics & Molecular Biology

Genetics & Molecular Biology

Gene Technology

Author(s): Jackson AL, Bartz SR, Schelter J, Kobayashi SV, Burchard J,

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Abstract RNA interference is thought to require near-identity between the small interfering RNA (siRNA) and its cognate mRNA. Here, we used gene expression profiling to characterize the specificity of gene silencing by siRNAs in cultured human cells. Transcript profiles revealed siRNA-specific rather than target-specific signatures, including direct silencing of nontargeted genes containing as few as eleven contiguous nucleotides of identity to the siRNA. These results demonstrate that siRNAs may cross-react with targets of limited sequence similarity. This article was published in Nat Biotechnol and referenced in Gene Technology

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