Deregulation of the miRNAs expression in cervical cancer: human papillomavirus implications.

Deregulation of the miRNAs expression in cervical cancer: human papillomavirus implications.
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DOI:
10.1155/2013/407052
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发表时间:
2013
影响因子:
--
通讯作者:
Gariglio P
Gariglio P
中科院分区:
生物学3区
文献类型:
--
作者:
Gómez-Gómez Y;Organista-Nava J;Gariglio P

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MicroRNA(miRNAs)是一类长度为18-25个核苷酸的小的非编码RNA。miRNA的暂时或短暂表达在转录后调节基因表达。研究表明,miRNAs的失调与人类肿瘤的发生、发展密切相关。宫颈癌(CC)分别显示大量细胞致癌或肿瘤抑制miRNA的表达显著增加或减少。然而,对miRNAs在CC中的潜在作用的了解仍然有限。在CC中,高危人乳头瘤病毒(HR-HPV)感染可通过癌蛋白E6和E7影响miRNA表达,这有助于病毒的发病机制,尽管其他病毒蛋白也可能参与其中。这种miRNAs表达的失调在CC的标志中具有重要作用。有趣的是,CC中的miRNA表达谱可以区分正常和肿瘤组织,并且miRNA的非凡稳定性使其适合用作癌症的诊断和预后生物标志物。在这篇综述中,我们将总结HR-HPV在miRNA表达中的作用,miRNA在CC标志物中的作用,以及miRNA作为CC潜在预后生物标志物的用途。
MicroRNAs (miRNAs) are a class of small non coding RNAs of 18–25 nucleotides in length. The temporal or short-lived expression of the miRNAs modulates gene expression post transcriptionally. Studies have revealed that miRNAs deregulation correlates and is involved with the initiation and progression of human tumors. Cervical cancer (CC) displays notably increased or decreased expression of a large number of cellular oncogenic or tumor suppressive miRNAs, respectively. However, understanding the potential role of miRNAs in CC is still limited. In CC, the high-risk human papillomaviruses (HR-HPVs) infection can affect the miRNAs expression through oncoprotein E6 and E7 that contribute to viral pathogenesis, although other viral proteins might also be involved. This deregulation in the miRNAs expression has an important role in the hallmarks of CC. Interestingly, the miRNA expression profile in CC can discriminate between normal and tumor tissue and the extraordinary stability of miRNAs makes it suitable to serve as diagnostic and prognostic biomarkers of cancer. In this review, we will summarize the role of the HR-HPVs in miRNA expression, the role of miRNAs in the hallmarks of CC, and the use of miRNAs as potential prognostic biomarkers in CC.
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