alexa Abstract | Native microRNA loop sequences can improve short hairpin RNA processing for virus gene silencing in animal cells

Journal of RNAi and Gene Silencing
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Introduction of small interfering RNAs (siRNAs) into cells results in transitory silencing of target genes with complementary sequence. Incorporating siRNAs into short-hairpin RNAs (shRNAs) or microRNA-adapted shRNAs (shRNAmir) is a popular tool for targeted gene silencing. shRNAmirs mimicking endogenous premicroRNAs (unprocessed hairpin microRNAs) are more difficult to design and result in longer RNA molecules. The use of microRNA (miRNA) loop sequences in shRNAs as an alternative to an entire premicroRNA structure on silencing efficiency has not been studied extensively. This report shows that loop sequences derived from native miRNAs improves the efficiency of silencing due to the processing of the shRNAs into mature siRNAs.

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Author(s): Tracey M Hinton Terry G Wise Pauline A Cottee Timothy J Doran


microRNA, RNA interference, short hairpin RNA, influenza, RNAi, Gene Silencing

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