Epigenetic mechanisms in oral carcinogenesis.

Epigenetic mechanisms in oral carcinogenesis.
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DOI:
10.2217/fon.12.138
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发表时间:
2012-11
期刊:
Future oncology (London, England)
影响因子:
--
通讯作者:
Goel A
Goel A
中科院分区:
其他
文献类型:
--
作者:
Gasche JA;Goel A

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基因表达失调在口腔鳞状细胞癌(OSCC)中经常发生。然而,越来越多的证据表明,与遗传学相反,由异常 DNA 甲基化、组蛋白修饰和 miRNA 表达改变组成的表观遗传修饰可诱导 OSCC 肿瘤发生,并可能在该疾病的进化和进展中发挥更重要的作用。这三种表观遗传机制的统一主题保持不变,即基因表达的异常调控。在本文中,我们全面综述了表观遗传学对口腔肿瘤发生的影响,并对 OSCC 发病机制中的异常 DNA 甲基化、组蛋白修饰和 miRNA 调控进行了系统报告。我们对近期关于早期检测和疾病复发指示的生物标志物的前景以及新的治疗方式的研究提供了见解。
Dysregulation of gene expression is a frequent occurrence in oral squamous cell carcinoma (OSCC). However, accumulating evidence suggests that in contrast to genetics, epigenetic modifications consisting of aberrant DNA methylation, histone modifications and altered expression of miRNAs induce OSCC tumorigenesis and perhaps play a more central role in the evolution and progression of this disease. The unifying theme among these three epigenetic mechanisms remains the same, which is aberrant regulation of gene expression. In this article, we provide a comprehensive review of the impact of epigenetics on oral tumorigenesis with a systematic report on aberrant DNA methylation, histone modifications and miRNA regulation in the pathogenesis of OSCC. We provide insights into recent studies on the prospect of biomarkers for early detection and indication of disease recurrence, and novel treatment modalities.
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