miR-Cabiner: A Universal microRNA Sensing Platform Based on Self-Stacking Cascaded Bicyclic DNA Circuit-Mediated CRISPR/Cas12a

IF 6.7 1区化学 Q1 CHEMISTRY, ANALYTICAL

Analytical Chemistry Pub Date : 2024-12-20 DOI:10.1021/acs.analchem.4c05370

Ruijia Deng, Jing Sheng, Zuowei Xie, Hongzhao Yang, Sha Yang, Shuang Xie, Xiaoqi Tang, Shuang Zhao, Haohao Dong, Ming Chen, Kai Chang

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引用次数: 0

Abstract

CRISPR/Cas12a-based diagnostics have great potential for sensing nucleic acids, but their application is limited by the sequence-dependent property. A platform termed miR-Cabiner (a universal miRNA sensing platform based on self-stacking cascaded bicyclic DNA circuit-mediated CRISPR/Cas12a) is demonstrated herein that is sensitive and universal for analyzing miRNAs. This platform combines catalytic hairpin assembly (CHA) and hybrid chain reaction (HCR) into a unified circuit and finally cascades to CRISPR/Cas12a. Compared with the CHA–Cas12a and HCR–Cas12a systems, miR-Cabiner exhibits a significantly higher reaction rate. Panels of miRNAs (miR-130a, miR-10b, miR-21, and miR-1285), which are associated with diagnosis, staging, and prognosis of breast cancer, are designed to demonstrate the universality of miR-Cabiner. Four miRNAs can be detected to the fM-level by simply tuning the sequence in CHA components. Additionally, miRNA panel analysis also shows high accuracy in practical samples. This universally applicable platform for detecting miRNA may serve as an excellent tool for clinical diagnosis.

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来源期刊

Analytical Chemistry 化学-分析化学

CiteScore

12.10

自引率

12.20%

发文量

1949

审稿时长

1.4 months

期刊介绍： Analytical Chemistry, a peer-reviewed research journal, focuses on disseminating new and original knowledge across all branches of analytical chemistry. Fundamental articles may explore general principles of chemical measurement science and need not directly address existing or potential analytical methodology. They can be entirely theoretical or report experimental results. Contributions may cover various phases of analytical operations, including sampling, bioanalysis, electrochemistry, mass spectrometry, microscale and nanoscale systems, environmental analysis, separations, spectroscopy, chemical reactions and selectivity, instrumentation, imaging, surface analysis, and data processing. Papers discussing known analytical methods should present a significant, original application of the method, a notable improvement, or results on an important analyte.