MicroRNA biogenesis pathways in cancer.

MicroRNA biogenesis pathways in cancer.
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癌症中的microRNA生物发生途径。

DOI:
10.1038/nrc3932
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发表时间:
2015-06
期刊:
Nature reviews. Cancer
影响因子:
--
通讯作者:
Gregory RI
Gregory RI
中科院分区:
其他
文献类型:
--
作者:
Lin S;Gregory RI

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microRNAs(miRNAs)是基因表达的重要调控因子。单个“oncomiR”的扩增和过表达或肿瘤抑制miRNA的遗传缺失与人类癌症相关,并且足以驱动小鼠模型中的肿瘤发生。此外,由miRNA生物发生机制的组分中的遗传和表观遗传改变引起的总体miRNA缺失是致癌的。这与最近发现的新的miRNA调控因子和途径一起,突出了miRNA失调在癌症中的重要性。
MicroRNAs (miRNAs) are critical regulators of gene expression. Amplification and overexpression of individual ‘oncomiRs’ or genetic loss of tumour suppressor miRNAs are associated with human cancer and are sufficient to drive tumorigenesis in mouse models. Furthermore, global miRNA depletion caused by genetic and epigenetic alterations in components of the miRNA biogenesis machinery is oncogenic. This, together with the recent identification of novel miRNA regulatory factors and pathways, highlights the importance of miRNA dysregulation in cancer.