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Multi-threshold and multi-input DNA logic design style for profiling the microRNA biomarkers of real cancers

机译:用于分析真实癌症的microRNA生物标志物的多阈值和多输入DNA逻辑设计风格

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摘要

Early detection of cancer is very critical because it can reduce the treatment risk and cost. MicroRNAs (miRNAs) have been introduced in recent years as an efficient class of biomarkers for cancer early detection. Now, real-time polymerase chain reaction has been used to profile the miRNA expression, which is costly, time consuming and low accuracy. Most recently, DNA logic gates are used to detect the miRNA expression level that is more accurate and faster than previous methods. The DNA-based logic gates face with serious challenges such as the large complexity and low scalability. In this study, the authors proposed a methodology to design multi-threshold and multi-input DNA-based logic gates in response to specific miRNA inputs in live mammalian cells. The proposed design style can simultaneously recognise multiple miRNAs with different rising and falling thresholds. The design style has been evaluated on the lung cancer biomarkers and the experimental results show the efficiency of the proposed method in terms of accuracy, efficiency and speed.
机译:早期发现癌症非常关键,因为它可以降低治疗风险和成本。近年来,MicroRNA(miRNA)已作为一种有效的生物标志物用于癌症早期检测。现在,实时聚合酶链反应已被用于分析miRNA表达,这是昂贵,费时且准确性低的。最近,DNA逻辑门被用于检测miRNA表达水平,该水平比以前的方法更准确,更快。基于DNA的逻辑门面临着严峻的挑战,例如复杂性高和可扩展性低。在这项研究中,作者提出了一种方法,用于响应哺乳动物活细胞中特定的miRNA输入,设计基于多阈值和多输入DNA的逻辑门。所提出的设计风格可以同时识别具有不同上升和下降阈值的多个miRNA。通过对肺癌生物标志物的设计风格进行了评估,实验结果表明了该方法在准确性,效率和速度方面的有效性。

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