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1.陆军军医大学第一附属医院检验科,重庆 400038
2.陆军军医大学第一附属医院临床医学研究中心,重庆 400038
徐含青,Email:22554227@qq.com,研究方向:核酸纳米技术、分子诊断。
高铭萱,Email:mingxuan_gao@tmmu.edu.cn。
收稿:2025-08-13,
修回:2025-11-19,
录用:2025-11-19,
网络出版:2025-12-10,
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徐含青,吴显兰,肖婷,等.基于滚环扩增的信号放大和输出策略[J].重庆医科大学学报,
Xu Hanqing,Wu Xianlan,Xiao Ting,et al.Signal amplification and output strategies based on rolling circle amplification[J].Journal of Chongqing Medical University,
徐含青,吴显兰,肖婷,等.基于滚环扩增的信号放大和输出策略[J].重庆医科大学学报, DOI:10.13406/j.cnki.cyxb..
Xu Hanqing,Wu Xianlan,Xiao Ting,et al.Signal amplification and output strategies based on rolling circle amplification[J].Journal of Chongqing Medical University, DOI:10.13406/j.cnki.cyxb..
滚环扩增(rolling circle amplification,RCA)作为一种高效的等温核酸扩增技术,已成为生物传感与分子诊断领域的核心工具之一。通过对RCA信号放大和信号输出的灵活设计,可明显提升扩增效率,提高检测灵敏度,还可以通过不同的信号转换策略满足不同的应用需求。本综述从核酸扩增和信号输出两个维度,系统梳理了改良RCA扩增、RCA协同其他等温扩增以及RCA协同成簇规律间隔短回文重复序列及其相关蛋白(clustered regularly interspaced short palindromic repeats/CRISPR-associated proteins,CRISPR/Cas)系统的设计策略,并剖析了各种输出模式的信号转换设计思路,以期为基于RCA的生物分子检测体系的设计与优化提供思路与指导。
Rolling circle amplification(RCA),as a highly efficient isothermal nucleic acid amplification technique,has become one of the core tools in the field of biosensing and molecular diagnostics. Through flexible engineering of RCA signal amplification and signal transduction,this approach not only significantly enhances amplification efficiency and detection sensitivity,but also caters to diverse application requirements via distinct signal conversion strategies. Starting from the two dimensions of nucleic acid amplification and signal output,this article systematically reviews the design strategies for modified RCA amplification,RCA combined with other isothermal amplification methods,and RCA combined with clustered regularly interspaced short palindromic repeats/CRISPR-associated proteins(CRISPR/Cas) systems,and it also summarizes and analyzes the ideas of signal conversion design for various output modes,in order to provide insights and guidance for the design and optimization of RCA-based biomolecular detection systems.
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