Multiplex detection of miRNAs based on aggregation-induced emission luminogen encoded microspheres.

Multiplex detection of miRNAs based on aggregation-induced emission luminogen encoded microspheres.
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基于聚集诱导发射发光体编码微球的 miRNA 多重检测

DOI:
10.1039/c9ra07680h
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发表时间:
2019-12-02
期刊:
影响因子:
3.9
通讯作者:
Cui, Daxiang
Cui, Daxiang
中科院分区:
化学3区
文献类型:
--
作者:
Zou, Dan;Wu, Weijie;Zhang, Jingpu;Ma, Qiang;Fan, Sisi;Cheng, Jin;Li, Dan;Niu, Jiaqi;Qian, Xiaoqing;Li, Wanwan;Cui, Daxiang

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在此,我们报道了一个基于悬浮阵列的多重检测平台,该平台带有聚集诱导发光原(AIEgen)条形码,可同时定量测量与胃癌相关的let-7b-5p, miR-16-5p和miR-19b-3p。提出了一种流式细胞仪检测策略,利用aiogen编码微球定量靶mirna,并在检测探针上作为荧光报告蛋白提供定量信号。该多重分析方法对识别单碱基错配具有良好的特异性,并且具有优异的灵敏度,检测限(lod)范围为0.43 ~ 0.76 nM。通过设计特异性检测探针和增加荧光条形码的数量,该方法可以扩展到同时检测更多的目标mirna。由于其灵活性强,多路复用能力强,检测性能好,在未来的实验室研究和临床应用中具有很大的潜力。基于聚集诱导发射发光源编码微球的miRNA多重检测方法。
Herein, we report a multiplex detection platform based on a suspension array with aggregation-induced emission luminogen (AIEgen) barcodes for simultaneous quantitative measurement of let-7b-5p, miR-16-5p and miR-19b-3p, which are associated with gastric cancer. A detection strategy by using a flow cytometer is proposed, which utilizes AIEgen-encoded microspheres to quantify the target miRNAs, and phycoerythrin as a fluorescence reporter on the detection probes to provide quantitative signals. This multiplex assay shows good specificity for recognizing single base mismatch, and possesses excellent sensitivity with limits of detection (LODs) ranging from 0.43 to 0.76 nM for the three miRNAs. The approach could be extended to the simultaneous detection of more target miRNAs by designing specific detection probes and increasing the number of fluorescence barcodes. We could foresee it holding great potential in future laboratory research and clinical applications due to its flexibility, strong multiplexed ability and good detection performance. A miRNA multiplex detection assay based on aggregation-induced emission luminogen encoded microspheres.
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