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首页> 外文期刊>Frontiers in Bioengineering and Biotechnology >Short Hairpin RNAs for Strand-Specific Small Interfering RNA Production
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Short Hairpin RNAs for Strand-Specific Small Interfering RNA Production

机译:用于股线特异性小干扰RNA生产的短发夹RNA

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RNA interference (RNAi) is an effective mechanism for inhibiting gene expression at the post-transcriptional level. Expression of a messenger RNA (mRNA) can be inhibited by a ~22-nucleotide (nt) small interfering (si)RNA with the corresponding reverse complementary sequence. Typically, a duplex of siRNA, composed of the desired siRNA and a passenger strand, is processed from a short hairpin RNA (shRNA) precursor by Dicer. Subsequently, one strand of the siRNA duplex is associated with Argonaute (Ago) protein for RNAi. Although RNAi is widely used, the off-target effect induced by the passenger strand remains a potential problem. Here, based on current understanding of endogenous precursor microRNA (pre-miRNA) hairpins, called Ago-shRNA and m7G-capped pre-miRNA, we discuss the principles of shRNA designs that produce a single siRNA from one strand of the hairpin.
机译:RNA干扰(RNAi)是抑制在转录后水平的基因表达的有效机制。通过相应的反向互补序列的〜22核苷酸(NT)小干扰(Si)RNA可以抑制信使RNA(mRNA)的表达。通常,由所需siRNA和乘客链组成的siRNA的双链体由加入剂从短发夹RNA(ShRNA)前体处理。随后,SiRNA双链链的一条链与RNAi的Argonaute(前)蛋白质有关。虽然RNAi被广泛使用,但乘客链引起的偏离目标效果仍然是潜在的问题。这里,基于目前对内源性前体MicroRNA(前miRNA)发夹的最新理解,调用ay-shRNA和M7G-lecapped预先生,我们讨论了从发夹的一股产生单个siRNA的shRNA设计原理。

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