期刊
JOURNAL OF PHARMACEUTICAL ANALYSIS
卷 13, 期 4, 页码 340-354出版社
ELSEVIER
DOI: 10.1016/j.jpha.2023.03.001
关键词
Aptamer; Microfluidic; Circulating tumor cells; Extracellular vesicles; Bioanalysis
Liquid biopsy is a promising technology for early cancer detection, therapy monitoring, and prognosis prediction. Circulating tumor cells (CTCs) and extracellular vesicles (EVs) are crucial components in liquid biopsy, carrying important molecular information. Aptamer-based microfluidic platforms combine the advantages of microfluidic chips and aptamers to improve the purity and capture efficiency of CTCs and EVs. This review provides an overview of aptamer-based microfluidics for CTC and EV detection, as well as future challenges in clinical applications.
Liquid biopsy is a technology that exhibits potential to detect cancer early, monitor therapies, and predict cancer prognosis due to its unique characteristics, including noninvasive sampling and real-time analysis. Circulating tumor cells (CTCs) and extracellular vesicles (EVs) are two important components of circu-lating targets, carrying substantial disease-related molecular information and playing a key role in liquid biopsy. Aptamers are single-stranded oligonucleotides with superior affinity and specificity, and they can bind to targets by folding into unique tertiary structures. Aptamer-based microfluidic platforms offer new ways to enhance the purity and capture efficiency of CTCs and EVs by combining the advantages of microfluidic chips as isolation platforms and aptamers as recognition tools. In this review, we first briefly introduce some new strategies for aptamer discovery based on traditional and aptamer-based micro -fluidic approaches. Then, we subsequently summarize the progress of aptamer-based microfluidics for CTC and EV detection. Finally, we offer an outlook on the future directional challenges of aptamer-based microfluidics for circulating targets in clinical applications.(c) 2023 The Author(s). Published by Elsevier B.V. on behalf of Xi'an Jiaotong University. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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