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Targeted cleavage: Tuneable cis-cleaving ribozymes

机译:靶向裂解:可调节的顺式裂解核酶

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摘要

Posttranscriptional regulation of gene expression has become a popular method for studying gene function and elucidating networks of gene expression. A number of tools are available that allow investigators to regulate gene expression posttranscriptionally, including RNAi, antisense oligonucleo-tides, DNAzymes, and ribozymes (1). Each of these methods relies on complementary basepairing between the inhibitory agent and the target mRNA. In addition, these methods require efficient delivery of short nucleic acids to cells through either carrier molecules or the introduction of genes that encode the inhibitory molecules for expression in the cells of interest (1). A unique nucleic acid inhibitor must be developed for every target of interest and, in many instances, a panel of the appropriate nucleic acid inhibitors has to be tested to achieve the desired knockdown levels of the target (2, 3).
机译:基因表达的转录后调控已成为研究基因功能和阐明基因表达网络的流行方法。有许多工具可以使研究者在转录后调节基因表达,包括RNAi,反义寡核苷酸,DNA酶和核酶(1)。这些方法中的每一种都依赖于抑制剂和靶标mRNA之间的互补碱基配对。另外,这些方法要求通过载体分子或引入编码抑制性分子的基因有效地将短核酸递送至细胞,所述抑制性分子在目的细胞中表达(1)。必须为每个感兴趣的靶标开发独特的核酸抑制剂,并且在许多情况下,必须测试一组合适的核酸抑制剂以实现所需的靶标敲低水平(2、3)。

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