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Guo H, Fu Y, Chen S, Wei Y, Xie L, Chen M. Electrochemical cytosensor utilizing tetrahedral DNA/bimetallic AuPd holothurian-shaped nanoparticles for ultrasensitive non-destructive detection of circulating tumor cells. Mikrochim Acta 2024; 191:298. [PMID: 38709403 DOI: 10.1007/s00604-024-06378-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Accepted: 04/20/2024] [Indexed: 05/07/2024]
Abstract
As a real-time fluid biopsy method, the detection of circulating tumor cells (CTCs) provides important information for the early diagnosis, precise treatment, and prognosis of cancer. However, the low density of CTCs in the peripheral blood hampers their capture and detection with high sensitivity and selectivity using currently available methods. Hence, we designed a sandwich-type electrochemical aptasensor that utilizes holothurian-shaped AuPd nanoparticles (AuPd HSs), tetrahedral DNA nanostructures (TDNs), and CuPdPt nanowire networks (NWs) interwoven with a graphdiyne (GDY) sheet for ultrasensitive non-destructive detection of MCF-7 breast cancer cells. CuPdPt NW-GDY effectively enhanced the electron transfer rate and coupled with the loaded TDNs. The TDNs could capture MCF-7 cells with precision and firmness, and the resulting composite complex was combined with AuPd HSs to form a sandwich-type structure. This novel aptasensor showed a linear range between 10 and 106 cells mL-1 and an ultralow detection limit of 7 cells mL-1. The specificity, stability, and repeatability of the measurements were successfully verified. Moreover, we used benzonase nuclease to achieve non-destructive recovery of cells for further clinical studies. According to the results, our aptasensor was more sensitive measuring the number of CTCs than other approaches because of the employment of TDNs, CuPdPt NW-GDY, and AuPd HSs. We designed a reliable sensor system for the detection of CTCs in the peripheral blood, which could serve as a new approach for cancer diagnosis at an early stage.
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Affiliation(s)
- Hong Guo
- Clinical Laboratory, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, 610500, Sichuan, China
| | - Yang Fu
- School of Bioscience and Technology, Chengdu Medical College, Chengdu, 610500, Sichuan, China
| | - Siyu Chen
- School of Bioscience and Technology, Chengdu Medical College, Chengdu, 610500, Sichuan, China
| | - Yuxin Wei
- School of Public Health, Chengdu Medical College, Chengdu, 610500, Sichuan, China
| | - Linzhi Xie
- School of Public Health, Chengdu Medical College, Chengdu, 610500, Sichuan, China
| | - Mei Chen
- Clinical Laboratory, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, 610500, Sichuan, China.
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Xia N, Cheng J, Tian L, Zhang S, Wang Y, Li G. Hybridization Chain Reaction-Based Electrochemical Biosensors by Integrating the Advantages of Homogeneous Reaction and Heterogeneous Detection. BIOSENSORS 2023; 13:bios13050543. [PMID: 37232904 DOI: 10.3390/bios13050543] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 04/27/2023] [Accepted: 05/10/2023] [Indexed: 05/27/2023]
Abstract
The conventional hybridization chain reaction (HCR)-based electrochemical biosensors usually require the immobilization of probes on the electrode surface. This will limit the applications of biosensors due to the shortcomings of complex immobilization processes and low HCR efficiency. In this work, we proposed astrategy for the design of HCR-based electrochemical biosensors by integrating the advantages of homogeneous reaction and heterogeneous detection. Specifically, the targets triggered the autonomous cross-opening and hybridization oftwobiotin-labeled hairpin probes to form long-nicked dsDNA polymers. The HCR products with many biotin tags were then captured by a streptavidin-covered electrode, thus allowing for the attachment of streptavidin-conjugated signal reporters through streptavidin-biotin interactions. By employing DNA and microRNA-21 as the model targets and glucose oxidase as the signal reporter, the analytical performances of the HCR-based electrochemical biosensors were investigated. The detection limits of this method were found to be 0.6 fM and 1 fM for DNA and microRNA-21, respectively. The proposed strategy exhibited good reliability for target analysis in serum and cellular lysates. The strategy can be used to develop various HCR-based biosensors for a wide range of applications because sequence-specific oligonucleotides exhibit high binding affinity to a series of targets. In light of the high stability and commercial availability of streptavidin-modified materials, the strategy can be used for the design of different biosensors by changing the signal reporter and/or the sequence of hairpin probes.
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Affiliation(s)
- Ning Xia
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Jiayou Cheng
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Linxu Tian
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Shuo Zhang
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Yunqiu Wang
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
| | - Gang Li
- College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang 455000, China
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Zhang P, Zhuo Y, Chai YQ, Yuan R. Structural DNA tetrahedra and its electrochemical-related surface sensing. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.116979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Zhao M, Wang R, Yang K, Jiang Y, Peng Y, Li Y, Zhang Z, Ding J, Shi S. Nucleic acid nanoassembly-enhanced RNA therapeutics and diagnosis. Acta Pharm Sin B 2022; 13:916-941. [PMID: 36970219 PMCID: PMC10031267 DOI: 10.1016/j.apsb.2022.10.019] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 08/22/2022] [Accepted: 09/10/2022] [Indexed: 11/16/2022] Open
Abstract
RNAs are involved in the crucial processes of disease progression and have emerged as powerful therapeutic targets and diagnostic biomarkers. However, efficient delivery of therapeutic RNA to the targeted location and precise detection of RNA markers remains challenging. Recently, more and more attention has been paid to applying nucleic acid nanoassemblies in diagnosing and treating. Due to the flexibility and deformability of nucleic acids, the nanoassemblies could be fabricated with different shapes and structures. With hybridization, nucleic acid nanoassemblies, including DNA and RNA nanostructures, can be applied to enhance RNA therapeutics and diagnosis. This review briefly introduces the construction and properties of different nucleic acid nanoassemblies and their applications for RNA therapy and diagnosis and makes further prospects for their development.
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Affiliation(s)
- Mengnan Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Rujing Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Kunmeng Yang
- The First Norman Bethune College of Clinical Medicine, Jilin University, Changchun 130061, China
| | - Yuhong Jiang
- School of Life Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
- Corresponding authors.
| | - Yachen Peng
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun 130033, China
| | - Yuke Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Zhen Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jianxun Ding
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Corresponding authors.
| | - Sanjun Shi
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
- Corresponding authors.
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Wu Y, Fu C, Shi W, Chen J. Recent advances in catalytic hairpin assembly signal amplification-based sensing strategies for microRNA detection. Talanta 2021; 235:122735. [PMID: 34517602 DOI: 10.1016/j.talanta.2021.122735] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/20/2021] [Accepted: 07/23/2021] [Indexed: 12/13/2022]
Abstract
Accumulative evidences have indicated that abnormal expression of microRNAs (miRNAs) is closely associated with many health disorders, making them be regarded as potentialbiomarkers for early clinical diagnosis. Therefore, it is extremely necessary to develop a highly sensitive, specific and reliable approach for miRNA analysis. Catalytic hairpin assembly (CHA) signal amplification is an enzyme-free toehold-mediated strand displacement method, exhibiting significant potential in improving the sensitivity of miRNA detection strategies. In this review, we first describe the potential of miRNAs as disease biomarkers and therapeutics, and summarize the latest advances in CHA signal amplification-based sensing strategies for miRNA monitoring. We describe the characteristics and mechanism of CHA signal amplification and classify the CHA-based miRNA sensing strategies into several categories based on the "signal conversion substance", including fluorophores, enzymes, nanomaterials, and nucleotide sequences. Sensing performance, limit of detection, merits and disadvantages of these miRNA sensing strategies are discussed. Moreover, the current challenges and prospects are also presented.
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Affiliation(s)
- Yan Wu
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China.
| | - Cuicui Fu
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China
| | - Wenbing Shi
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China
| | - Jinyang Chen
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China.
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A Carbon-Based Antifouling Nano-Biosensing Interface for Label-Free POCT of HbA1c. BIOSENSORS-BASEL 2021; 11:bios11040118. [PMID: 33921226 PMCID: PMC8069255 DOI: 10.3390/bios11040118] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Revised: 04/05/2021] [Accepted: 04/07/2021] [Indexed: 12/28/2022]
Abstract
Electrochemical biosensing relies on electron transport on electrode surfaces. However, electrode inactivation and biofouling caused by a complex biological sample severely decrease the efficiency of electron transfer and the specificity of biosensing. Here, we designed a three-dimensional antifouling nano-biosensing interface to improve the efficiency of electron transfer by a layer of bovine serum albumin (BSA) and multi-walled carbon nanotubes (MWCNTs) cross-linked with glutaraldehyde (GA). The electrochemical properties of the BSA/MWCNTs/GA layer were investigated using both cyclic voltammetry and electrochemical impedance to demonstrate its high-efficiency antifouling nano-biosensing interface. The BSA/MWCNTs/GA layer kept 92% of the original signal in 1% BSA and 88% of that in unprocessed human serum after a 1-month exposure, respectively. Importantly, we functionalized the BSA/MWCNTs/GA layer with HbA1c antibody (anti-HbA1c) and 3-aminophenylboronic acid (APBA) for sensitive detection of glycated hemoglobin A (HbA1c). The label-free direct electrocatalytic oxidation of HbA1c was investigated by cyclic voltammetry (CV). The linear dynamic range of 2 to 15% of blood glycated hemoglobin A (HbA1c) in non-glycated hemoglobin (HbAo) was determined. The detection limit was 0.4%. This high degree of differentiation would facilitate a label-free POCT detection of HbA1c.
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Liu N, Lu H, Liu L, Ni W, Yao Q, Zhang GJ, Yang F. Ultrasensitive Exosomal MicroRNA Detection with a Supercharged DNA Framework Nanolabel. Anal Chem 2021; 93:5917-5923. [DOI: 10.1021/acs.analchem.1c00295] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Nian Liu
- School of Laboratory Medicine, College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Hao Lu
- School of Laboratory Medicine, College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Li Liu
- School of Laboratory Medicine, College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Wei Ni
- School of Laboratory Medicine, College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China
- Hubei Provincial Hospital of Traditional Chinese Medicine, Hubei Province Academy of Traditional Chinese Medicine, Wuhan 430061, China
| | - Qunfeng Yao
- School of Laboratory Medicine, College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Guo-Jun Zhang
- School of Laboratory Medicine, College of Pharmacy, Hubei University of Chinese Medicine, Wuhan 430065, China
| | - Fan Yang
- School of Pharmacy, National Center for International Research of Bio-targeting Theranostics, Guangxi Medical University, Nanning 530021, China
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Fan Z, Ding Y, Yao B, Wang J, Zhang K. Electrochemiluminescence platform for transcription factor diagnosis by using CRISPR-Cas12a trans-cleavage activity. Chem Commun (Camb) 2021; 57:8015-8018. [PMID: 34286737 DOI: 10.1039/d1cc03071j] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, we exploited the double-stranded DNA (dsDNA) binding property of transcription factor (TF), combined with the trans cleavage characteristic of CRISPR-Cas12a, for the detection of NF-κB p50.
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Affiliation(s)
- Zhenqiang Fan
- NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi, Jiangsu 214063, China.
| | - Yuedi Ding
- NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi, Jiangsu 214063, China.
| | - Bo Yao
- NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi, Jiangsu 214063, China. and Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Jiaying Wang
- Drug Clinical Trial Institution, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi, Jiangsu 214000, China.
| | - Kai Zhang
- NHC Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi, Jiangsu 214063, China.
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