Genetic polymorphisms and microRNAs: new direction in molecular epidemiology of solid cancer.

Genetic polymorphisms and microRNAs: new direction in molecular epidemiology of solid cancer.
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DOI:
10.1111/j.1582-4934.2011.01359.x
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发表时间:
2012-01
影响因子:
5.3
通讯作者:
Vyzula R
Vyzula R
中科院分区:
医学2区
文献类型:
--
作者:
Slaby O;Bienertova-Vasku J;Svoboda M;Vyzula R

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microRNAs(miRNAs)是一类非编码小分子RNA,调控基因表达。单核苷酸多态性(SNP)可发生在miRNA生物发生途径基因、初级miRNA、前体miRNA或成熟miRNA序列中。这种多态性可能与成熟miRNA的生物发生和作用有关。在3′端非翻译区的预测miRNA靶位点上鉴定出特异性SNPs。这些SNP有可能影响miRNA与靶位点结合的效率,或者可以产生或破坏结合位点。由此产生的基因失调可能涉及表型的变化,并可能最终证明对癌症的易感性及其发病以及预后和治疗反应的估计至关重要。在这篇综述中,我们提供了一个全面的潜在功能的miRNA相关的SNP列表,并总结了它们作为候选癌症生物标志物的重要性。
MicroRNAs (miRNAs) are small non-coding RNAs, which regulate gene expression. Single nucleotide polymorphisms (SNPs) may occur in miRNA biogenesis pathway genes, primary miRNA, pre-miRNA or a mature miRNA sequence. Such polymorphisms may be functional with respect to biogenesis and actions of mature miRNA. Specific SNPs were identified in predicted miRNA target sites within 3′ untranslated regions of mRNAs. These SNPs have a potential to affect the efficiency of miRNA binding to the target sites or can create or disrupt binding sites. Resulting gene dysregulation may involve changes in phenotype and may eventually prove critical for the susceptibility to cancer and its onset as well as for estimates of prognosis and therapy response. In this review, we provide a comprehensive list of potentially functional miRNA-related SNPs and summarize their importance as candidate cancer biomarkers.
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