MicroRNA expression in formalin-fixed paraffin embedded tissue using real time quantitative PCR: the strengths and pitfalls.

MicroRNA expression in formalin-fixed paraffin embedded tissue using real time quantitative PCR: the strengths and pitfalls.
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DOI:
10.1111/j.1582-4934.2011.01467.x
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发表时间:
2012-04
影响因子:
5.3
通讯作者:
Nagtegaal ID
Nagtegaal ID
中科院分区:
医学2区
文献类型:
--
作者:
Dijkstra JR;Mekenkamp LJ;Teerenstra S;De Krijger I;Nagtegaal ID

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MicroRNA (miRNA) 是一组小型非编码 RNA,对包括癌症在内的多种生物过程具有巨大影响。迄今为止收集的证据表明 miRNA 代表了癌症的有效诊断、预后和预测标记。检测方法的新颖开发和完善促进了存档组织中这些 miRNA 生物标志物的识别。定量实时逆转录 PCR (qRT-PCR) 是检测低水平 miRNA 的最常用方法之一,具有高灵敏度和特异性。然而,为了获得有意义且可重复的结果,应确定和优化几个技术参数。本综述的目的是描述其中一些技术参数并提高 miRNA 表达研究的有效性和可靠性。
MicroRNAs (miRNAs) are a group of small non-coding RNAs with a huge impact in a wide range of biological processes, including cancer. The evidence collected to date demonstrates that miRNAs represent valid diagnostic, prognostic and predictive markers in cancer. The identification of these miRNA biomarkers in archived tissues has been facilitated by novel development and refinement of detection methodologies. Quantitative real-time reverse-transcription PCR (qRT-PCR) is one of the most common methods used to detect low levels of miRNAs with high sensitivity and specificity. However, several technical parameters should be identified and optimized in order to obtain meaningful and reproducible results. The purpose of this review is to describe some of these technical parameters and improve the validity and reliability of miRNA expression studies.
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