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首页> 外文期刊>Cell cycle >Epigenetic activation of tumor suppressor microRNAs in human cancer cells.
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Epigenetic activation of tumor suppressor microRNAs in human cancer cells.

机译:人癌细胞中抑癌微RNA的表观遗传激活。

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摘要

MicroRNAs (miRNAs) are small noncoding RNAs that function as endogenous post-transcriptional silencers of target genes. miRNAs are expressed in a tissue specific manner and play important roles in cell proliferation, apoptosis and differentiation during animal development. Recent studies have shown a distinct connection between aberrant expression of miRNAs and the development of cancer, suggesting that miRNAs can be potential therapeutic targets. Our recent study has shown that some miRNAs are controlled by epigenetic alterations such as DNA methylation and histone modification in human cancer cells. Activation of tumor suppressor miRNAs by chromatin modifying drugs may cause downregulation of target oncogenes and could be a novel strategy for the prevention and treatment of human cancer.
机译:MicroRNA(miRNA)是小的非编码RNA,可作为靶基因的内源转录后沉默子。 miRNA以组织特异性方式表达,并在动物发育过程中在细胞增殖,凋亡和分化中发挥重要作用。最近的研究表明,miRNA的异常表达与癌症的发展之间存在明显的联系,这表明miRNA可能是潜在的治疗靶标。我们最近的研究表明,某些miRNA受表观遗传学改变控制,例如人类癌细胞中的DNA甲基化和组蛋白修饰。染色质修饰药物激活肿瘤抑制miRNA可能导致靶癌基因的下调,并且可能是预防和治疗人类癌症的新策略。

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