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Wrap53, a novel regulator of p53.

机译:Wrap53,p53的新型调节剂。

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摘要

Natural antisense transcripts are a group of regulatory RNAs whose existence has been known for a long time but whose functional significance is still relatively unknown. Studies indicate that a large fraction of all mammalian genes may be regulated by antisense transcripts suggesting a central role of this regulation in eukaryotic gene expression. Wrap53 is a natural antisense transcript of p53 that regulates endogenous p53 mRNA levels and is furthermore required for induction of p53 protein by targeting the 5'untranslated region of p53 mRNA. Our discovery of Wrap53 demonstrates for the first time that an antisense transcript has an essential role in the regulation of p53 mRNA. This finding provides important new insight into p53 regulation and the mechanism of antisense-mediated gene regulation in human cells.
机译:天然反义转录物是一组调节性RNA,其存在已为人们所知已久,但其功能意义仍相对未知。研究表明,所有哺乳动物基因的很大一部分都可能受到反义转录物的调控,这表明该调控在真核基因表达中的核心作用。 Wrap53是p53的天然反义转录物,可调节内源性p53 mRNA的水平,并且还需要通过靶向p53 mRNA的5'非翻译区来诱导p53蛋白。我们对Wrap53的发现首次证明了反义转录本在p53 mRNA的调控中起着至关重要的作用。这一发现为人类细胞中p53调控和反义介导的基因调控机制提供了重要的新见解。

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