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PCR- and wash-free detection of serum miRNA via signaling probe hybridization
Biotechnology and Bioengineering ( IF 3.5 ) Pub Date : 2024-10-13 , DOI: 10.1002/bit.28859
Haruka Uno, Hiyori Takeuchi, Ishin Abe, Tomoko Yoshino, Tomoyuki Taguchi, Yuko Hirakawa, Tadashi Matsunaga, Tsuyoshi Tanaka

Detection of microRNAs (miRNAs) in the serum is an effective liquid biopsy technique for cancer diagnosis. However, conventional diagnostic methods are time-consuming and complex. Therefore, in this study, we established a signaling probe-based DNA microarray system for miRNA detection. PCR, fluorescence labeling, and washing are not necessary for signaling probes. Four probes were designed using different miRNAs as diagnostic cancer markers. The developed system is useful for various miRNAs, regardless of their target lengths (18–26-mer) and GC content (36%–89%). Here, all the assays were performed within 40 min. Overall, our signaling probe-based DNA hybridization system facilitates the simple and rapid detection of serum miRNAs without the need for gene amplification, fluorescence labeling and washing.

中文翻译:


通过信号探针杂交对血清 miRNA 进行免 PCR 和免洗涤检测



检测血清中的 microRNA (miRNA) 是一种有效的液体活检技术,可用于癌症诊断。然而,传统的诊断方法既耗时又复杂。因此,在本研究中,我们建立了一种基于信号探针的 DNA 微阵列系统,用于 miRNA 检测。PCR、荧光标记和洗涤对于信号探针不是必需的。使用不同的 miRNA 作为诊断癌症标志物设计了 4 个探针。开发的系统适用于各种 miRNA,无论其靶标长度 (18–26-mer) 和 GC 含量 (36%–89%) 如何。在这里,所有测定都在 40 分钟内进行。总体而言,我们基于信号转导探针的 DNA 杂交系统有助于简单快速地检测血清 miRNA,而无需基因扩增、荧光标记和洗涤。
更新日期:2024-10-13
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