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García-Fernández D, Gutiérrez-Gálvez L, Vázquez Sulleiro M, Garrido M, López-Diego D, Luna M, Pérez EM, García-Mendiola T, Lorenzo E. A "signal off-on" fluorescence bioassay based on 2D-MoS 2-tetrahedral DNA bioconjugate for rapid virus detection. Talanta 2024; 270:125497. [PMID: 38142611 DOI: 10.1016/j.talanta.2023.125497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 11/22/2023] [Accepted: 11/25/2023] [Indexed: 12/26/2023]
Abstract
In this work we present the preparation of a 2D molybdenum disulphide nanosheets (2D-MoS2) and tetrahedral DNA nanostructures (TDNs) bioconjugate, and its application to the development of a bioassay for rapid and easy virus detection. The bioconjugate has been prepared by using TDNs carrying the capture probe labelled with 6-carboxyfluoresceine (6-FAM). As case of study to assess the utility of the assay developed, we have chosen the SARS-CoV-2 virus. Hence, as probe we have used a DNA sequence complementary to a region of the SARS-CoV-2 ORF1ab gene (TDN-ORF-FAM). This 6-FAM labelled capture probe is located on the top vertex of the tetrahedral DNA nanostructure, the three left vertices of TDNs have a thiol group. These TDNs are bounded to 2D-MoS2 surface through the three thiol groups, allowing the capture probe to be oriented to favour the biorecognition reaction with the analyte. This biorecognition resulting platform has finally been challenged to the detection of the SARS-CoV-2 ORF1ab gene sequence as the target model by measuring fluorescence before and after the hybridization event with a detection limit of 19.7fM. Furthermore, due to high sensitivity of the proposed methodology, it has been applied to directly detect the virus in nasopharyngeal samples of infected patients without the need of any amplification step. The developed bioassay has a wide range of applicability since it can be applied to the detection of any pathogen by changing the probe corresponding to the target sequence. Thus, a novel, hands-on strategy for rapid pathogen detection has proposed and has a high potential application value in the early diagnosis of infections causes by virus or bacteria.
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Affiliation(s)
- Daniel García-Fernández
- Departamento de Química Analítica y Análisis Instrumental, Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Laura Gutiérrez-Gálvez
- Departamento de Química Analítica y Análisis Instrumental, Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | | | - Marina Garrido
- IMDEA-Nanociencia, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain
| | - David López-Diego
- Instituto de Micro y Nanotecnología IMN-CNM, CSIC (CEI UAM+CSIC), 28760, Tres Cantos, Madrid, Spain
| | - Mónica Luna
- Instituto de Micro y Nanotecnología IMN-CNM, CSIC (CEI UAM+CSIC), 28760, Tres Cantos, Madrid, Spain
| | - Emilio M Pérez
- IMDEA-Nanociencia, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain
| | - Tania García-Mendiola
- Departamento de Química Analítica y Análisis Instrumental, Universidad Autónoma de Madrid, 28049, Madrid, Spain; Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain.
| | - Encarnación Lorenzo
- Departamento de Química Analítica y Análisis Instrumental, Universidad Autónoma de Madrid, 28049, Madrid, Spain; IMDEA-Nanociencia, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain; Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain.
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2
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Gutiérrez-Gálvez L, García-Fernández D, Barrio MD, Luna M, Torres Í, Zamora F, Navío C, Milán-Rois P, Castellanos M, Abreu M, Cantón R, Galán JC, Somoza Á, Miranda R, García-Mendiola T, Lorenzo E. Free PCR virus detection via few-layer bismuthene and tetrahedral DNA nanostructured assemblies. Talanta 2024; 269:125405. [PMID: 37984235 DOI: 10.1016/j.talanta.2023.125405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/07/2023] [Accepted: 11/11/2023] [Indexed: 11/22/2023]
Abstract
In this work we describe a highly sensitive method based on a biocatalyzed electrochemiluminescence approach. The system combines, for the first time, the use of few-layer bismuthene (FLB) as a platform for the oriented immobilization of tetrahedral DNA nanostructures (TDNs) specifically designed and synthetized to detect a specific SARS-CoV-2 gene sequence. In one of its vertices, these TDNs contain a DNA capture probe of the open reading frame 1 ab (ORF1ab) of the virus, available for the biorecognition of the target DNA/RNA. At the other three vertices, there are thiol groups that enable the stable anchoring/binding to the FLB surface. This novel geometry/approach enables not only the binding of the TDNs to surfaces, but also the orientation of the capture probe in a direction normal to the bismuthine surface so that it is readily accessible for binding/recognition of the specific SARS-CoV-2 sequence. The analytical signal is based on the anodic electrochemiluminescence (ECL) intensity of luminol which, in turn, arises as a result of the reaction with H2O2, generated by the enzymatic reaction of glucose oxidation, catalyzed by the biocatalytic label avidin-glucose oxidase conjugate (Av-GOx), which acts as co-reactant in the electrochemiluminescent reaction. The method exhibits a limit of detection (LOD) of 4.31 aM and a wide linear range from 14.4 aM to 1.00 μM, and its applicability was confirmed by detecting SARS-CoV-2 in nasopharyngeal samples from COVID-19 patients without the need of any amplification process.
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Affiliation(s)
- Laura Gutiérrez-Gálvez
- Departamento de Química Analítica y Análisis Instrumental, Universidad Autónoma de Madrid (UAM), 28049, Madrid, Spain
| | - Daniel García-Fernández
- Departamento de Química Analítica y Análisis Instrumental, Universidad Autónoma de Madrid (UAM), 28049, Madrid, Spain
| | - Melisa Del Barrio
- Departamento de Química Analítica y Análisis Instrumental, Universidad Autónoma de Madrid (UAM), 28049, Madrid, Spain
| | - Mónica Luna
- Instituto de Micro y Nanotecnología IMN-CNM, CSIC (CEI UAM+CSIC), 28760, Tres Cantos, Madrid, Spain
| | - Íñigo Torres
- Departamento de Química Inorgánica and Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, 28049, Madrid, Spain; Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Félix Zamora
- Departamento de Química Inorgánica and Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, 28049, Madrid, Spain; Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Cristina Navío
- IMDEA-Nanociencia, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain
| | - Paula Milán-Rois
- IMDEA-Nanociencia, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain
| | | | - Melanie Abreu
- Servicio de Microbiología, Hospital Universitario Ramón y Cajal and Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), 28034, Madrid, Spain
| | - Rafael Cantón
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Juan Carlos Galán
- Servicio de Microbiología, Hospital Universitario Ramón y Cajal and Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), 28034, Madrid, Spain; Centro de Investigación Biomédica en Red en Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Álvaro Somoza
- IMDEA-Nanociencia, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain
| | - Rodolfo Miranda
- IMDEA-Nanociencia, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain
| | - Tania García-Mendiola
- Departamento de Química Analítica y Análisis Instrumental, Universidad Autónoma de Madrid (UAM), 28049, Madrid, Spain; Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain.
| | - Encarnación Lorenzo
- Departamento de Química Analítica y Análisis Instrumental, Universidad Autónoma de Madrid (UAM), 28049, Madrid, Spain; Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, 28049, Madrid, Spain; IMDEA-Nanociencia, Ciudad Universitaria de Cantoblanco, 28049, Madrid, Spain
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3
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Yan J, Wang J, Liu H, Wang L, Yu K, Deng L, Su J, Chen H. MiR-29b detection in serum using an electrochemical biosensor for the early diagnosis of gestational diabetes. Anal Biochem 2023:115209. [PMID: 37311517 DOI: 10.1016/j.ab.2023.115209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 05/19/2023] [Accepted: 06/05/2023] [Indexed: 06/15/2023]
Abstract
Gestational diabetes mellitus (GDM) is a severe perinatal condition with serious consequences for the growth and development of the mother and baby. MicroRNA-29b (miR-29b) is essential to the pathogenesis of GDM and can be used as a molecular biomarker for diagnosis. Given the limitations of current GDM screening technologies, there is a pressing need for a sensitive detection approach to evaluate serum miR-29b in GDM patients, thus aiding in disease treatment. In this study, an electrochemical biosensor Co7Fe3-CN nanoparticles (NPs) was developed. Using a duplex-specific nuclease (DSN) signal amplification strategy with a linear range of 1-104 pM and a low detection limit of 0.79 pM, the ultra-sensitive detection and quantification of miR-29b were accomplished. The dependability and applicability of the developed biosensor were validated by the standard method of qRT-PCR, and the content of serum miR-29b in GDM patients was shown to be significantly lower than that in the control group (P = 0.03). Specifically, miR-29b concentrations could be detected from 2.0 to 7.5 and 2.4-7.3 pM using qRT-PCR and the biosensor, respectively. These similar results indicated that a biosensor based on miR-29b detection has the potential to be used in the point-of-care testing of GDM patients in clinical practice.
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Affiliation(s)
- Jianhua Yan
- Medical College, Guangxi University, Guangxi Nanning, 530004, China
| | - Jiayu Wang
- Medical College, Guangxi University, Guangxi Nanning, 530004, China
| | - Hongjie Liu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Liwei Wang
- School of Marine Sciences, Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning, 530004, China; State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, Guangxi University, Nanning, 530004, China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519080, China.
| | - Kefu Yu
- School of Marine Sciences, Coral Reef Research Center of China, Guangxi Laboratory on the Study of Coral Reefs in the South China Sea, Guangxi University, Nanning, 530004, China; Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519080, China
| | - Li Deng
- Department of Obstetrics, The Second Affiliated Hospital of Guangxi Medical University, Nanning, 530003, China
| | - Junyou Su
- Department of Obstetrics, The Second Affiliated Hospital of Guangxi Medical University, Nanning, 530003, China
| | - Hongfei Chen
- Department of Obstetrics, The Second Affiliated Hospital of Guangxi Medical University, Nanning, 530003, China
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4
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Studies on the application of single-stranded DNA and PNA probes for electrochemical detection of miRNA 141. Bioelectrochemistry 2023; 150:108363. [PMID: 36608369 DOI: 10.1016/j.bioelechem.2022.108363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 12/09/2022] [Accepted: 12/28/2022] [Indexed: 12/31/2022]
Abstract
The abnormal concentration of microRNAs (miRNAs) can be associated with occurrence of various diseases including cancer, cardiovascular and neurodegenerative, hence they can be considered as potential biomarkers. An attractive approach could be the application of electrochemical methods, particularly where hybridization event between single-stranded deoxyribonucleic acid (ssDNA) or peptide-nucleic acid (PNA) with miRNA strand happens. Recently, the use of various nanomaterials such as gold nanoparticles, graphene oxide, quantum dots as well as catalyzed hairpin assembly or hybridization chain reaction were proposed to further enhance the performance of elaborated sensors. Herein, we present the studies on selection of receptor layer composition for detection of miRNA 141. The possibility of formation of receptor layer and further duplex monolayer between ssDNA or PNA with miRNA was analyzed by atomic force microscopy (AFM) technique. The interaction of ssDNA and PNA probes with miRNA was further verified using surface plasmon resonance (SPR) and quartz - crystal microbalance (QCM) techniques. On the basis of impedance spectroscopy it was shown that the use of unlabelled ssDNA as receptor layer provided 0.1 pM detection limit. This shows that proposed biosensor that is simple in preparation and use is an attractive alternative to other recently presented approaches.
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5
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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 2023; 13:916-941. [PMID: 36970219 PMCID: PMC10031267 DOI: 10.1016/j.apsb.2022.10.019] [Citation(s) in RCA: 48] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [Key Words] [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
| | - 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
| | - Sanjun Shi
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
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6
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MicroRNA biosensors for detection of gastrointestinal cancer. Clin Chim Acta 2023; 541:117245. [PMID: 36754191 DOI: 10.1016/j.cca.2023.117245] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/27/2022] [Accepted: 02/01/2023] [Indexed: 02/08/2023]
Abstract
Gastrointestinal (GI) cancers are one of the most common causes of cancer-related mortality. The discovery of microRNAs (miRs) and their unique role in cancer and other diseases has prompted the development of highly sensitive molecular diagnostic tools using nanomaterials as sensitive and specific biosensors. Among these, electrochemical biosensors, which are based on a simple and inexpensive design, make them desirable in clinical applications as well as a mass-produced point-of-care device. We review miR-based electrochemical biosensors in GI cancer and examine the use of nanoparticles in the evolving development of miR-based biosensors. Among these, a number of approaches including redox labeled probes, catalysts, redox intercalating agents and free redox indicators are highlighted for use in electrochemical biosensor technology.
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7
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Erkmen C, Tığ GA, Uslu B. Nanomaterial-based sandwich-type electrochemical aptasensor platform for sensitive voltammetric determination of leptin. Mikrochim Acta 2022; 189:396. [PMID: 36173490 DOI: 10.1007/s00604-022-05487-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 09/06/2022] [Indexed: 10/14/2022]
Abstract
A sandwich-type electrochemical aptasensor was designed for sensitive detection of leptin in biological samples, including human serum and human plasma. The developed aptasensor was produced by electrodeposition of gold nanoparticles on a screen-printed electrode modified with zinc oxide nanoparticles. The synergy effect of zinc oxide and gold nanoparticles improved the electrocatalytic activity of the aptasensor. The obtained high surface area allowed more aptamer molecules to be loaded on the electrode surface. Signal amplification significantly increases the detection sensitivity of a developed biosensor. Although the use of nanomaterials is the most preferred detection tool for this purpose, as an alternative, enzyme-catalyzed signal amplification is widely used in the construction of a biosensor due to its specificity and high catalytic efficiency. Therefore, both nanomaterial-supported and an alkaline phosphatase-based aptasensor design were developed, which can produce in situ electroactive product by enzymatic hydrolysis of the inactive substrate to achieve a higher signal-to-background ratio. Under optimal conditions, the developed aptasensor exhibited a wide linear concentration range from 0.01 pg mL-1 to 100.0 pg mL-1 with a detection limit of 0.0035 pg mL-1. While the developed aptasensor provided excellent selectivity in the presence of some interfering compounds, it possessed outstanding reproducibility and stability. In addition, the developed aptasensor has been applied with good recoveries in the range 96.31 to 108.79% in human serum and plasma samples. In conclusion, all the obtained results showed the feasibility of the developed aptasensor for practical applications.
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Affiliation(s)
- Cem Erkmen
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, 06560, Ankara, Turkey.,The Graduate School of Health Sciences, Ankara University, 06110, Ankara, Turkey
| | - Gözde Aydoğdu Tığ
- Department of Chemistry, Faculty of Science, Ankara University, 06100, Ankara, Turkey.
| | - Bengi Uslu
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, 06560, Ankara, Turkey.
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8
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Xu Y, Wang C, Liu G, Zhao X, Qian Q, Li S, Mi X. Tetrahedral DNA framework based CRISPR electrochemical biosensor for amplification-free miRNA detection. Biosens Bioelectron 2022; 217:114671. [PMID: 36122469 DOI: 10.1016/j.bios.2022.114671] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/18/2022] [Accepted: 08/26/2022] [Indexed: 11/30/2022]
Abstract
microRNA (miRNA) is a kind of small non-coding RNA that has been regarded as potential biomarkers for cancers. Sensitive and specific detection of miRNA at low expression levels is highly desirable but remains challenging, especially for amplification-free and portable point of care (POC) diagnostics. The clustered regularly interspaced short palindromic repeats (CRISPR)/Cas13a has been recently discovered and used in the field of RNA detection. Nonetheless, most CRISPR/Cas13a-based methods were burdened with expensive equipment, time-consuming procedures, and complicated operations which were not suitable for POC analysis. In this work, we constructed a three-dimensional tetrahedral DNA framework based CRISPR-electrochemical biosensor (CRISPR-E). By combining tetrahedral DNA framework, CRISPR, and electrochemical biosensor, the process of activation, cleavage of Cas13a, and signal readout were all finished on the chip, and a simple, amplification-free and sensitive detection of miRNA-19b was realized. Under the optimal experimental conditions, a linear range from 10 pM to 104 pM with detection limit of 10 pM for miRNA-19b in buffer solution was achieved. Selectivity analysis indicated that our CRISPR-E had good distinguishing ability between miRNA-19b and miRNA-197. The results of miRNA-19b detection in mimic serum samples were consistent with that of the buffer solution. This all-on-chip strategy of our CRISPR-E is very suitable for POC testing.
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Affiliation(s)
- Yi Xu
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China; Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China.
| | - Chenguang Wang
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Gang Liu
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, Shanghai, 201203, China
| | - Xiaoshuang Zhao
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China
| | - Qiuling Qian
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Shuainai Li
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xianqiang Mi
- State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, 200050, China; Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China; University of Chinese Academy of Sciences, Beijing, 100049, China; CAS Center for Excellence in Superconducting Electronics (CENSE), Shanghai, 200050, China; Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China.
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9
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Cajigas S, Alzate D, Fernández M, Muskus C, Orozco J. Electrochemical genosensor for the specific detection of SARS-CoV-2. Talanta 2022; 245:123482. [PMID: 35462140 PMCID: PMC9012668 DOI: 10.1016/j.talanta.2022.123482] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/08/2022] [Accepted: 04/13/2022] [Indexed: 12/19/2022]
Abstract
Infection caused by Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) is responsible for the Coronavirus disease (COVID-19) and the current pandemic. Its mortality rate increases, demonstrating the imperative need for acute and rapid diagnostic tools as an alternative to current serological tests and molecular techniques. Features of electrochemical genosensor devices make them amenable for fast and accurate testing closer to the patient. This work reports on a specific electrochemical genosensor for SARS-CoV-2 detection and discrimination against homologous respiratory viruses. The electrochemical biosensor was assembled by immobilizing thiolated capture probes on top of maleimide-coated magnetic particles, followed by specific target hybridization between the capture and biotinylated signaling probes in a sandwich-type manner. The probes were rigorously designed bioinformatically and tested in vitro. Enzymatic complexes based on streptavidin-horseradish peroxidase linked the biotinylated signaling probe to render the biosensor electrochemical response. The genosensor showed to reach a sensitivity of 174.4 μA fM−1 and a limit of detection of 807 fM when using streptavidin poly-HRP20 enzymatic complex, detected SARS-CoV-2 specifically and discriminated it against homologous viruses in spiked samples and samples from SARS-CoV-2 cell cultures, a step forward to detect SARS-CoV-2 closer to the patient as a promising way for diagnosis and surveillance of COVID-19.
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Affiliation(s)
- Sebastian Cajigas
- Max Planck Tandem Group in Nanobioengineering, Institute of Chemistry, Faculty of Natural and Exact Sciencies, University of Antioquia, Complejo Ruta N, Calle 67 N° 52-20, Medellín, 050010, Colombia
| | - Daniel Alzate
- Max Planck Tandem Group in Nanobioengineering, Institute of Chemistry, Faculty of Natural and Exact Sciencies, University of Antioquia, Complejo Ruta N, Calle 67 N° 52-20, Medellín, 050010, Colombia
| | - Maritza Fernández
- Max Planck Tandem Group in Nanobioengineering, Institute of Chemistry, Faculty of Natural and Exact Sciencies, University of Antioquia, Complejo Ruta N, Calle 67 N° 52-20, Medellín, 050010, Colombia
| | - Carlos Muskus
- Programa de Estudio y Control de Enfermedades Tropicales (PECET), Facultad de Medicina, Universidad de Antioquia, Calle 62 N° 52-59, Medellín, Colombia
| | - Jahir Orozco
- Max Planck Tandem Group in Nanobioengineering, Institute of Chemistry, Faculty of Natural and Exact Sciencies, University of Antioquia, Complejo Ruta N, Calle 67 N° 52-20, Medellín, 050010, Colombia.
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10
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Gundagatti S, Srivastava S. Development of Electrochemical Biosensor for miR204-Based Cancer Diagnosis. Interdiscip Sci 2022; 14:596-606. [PMID: 35471629 DOI: 10.1007/s12539-022-00508-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 02/11/2022] [Accepted: 02/17/2022] [Indexed: 06/14/2023]
Abstract
With increase in cancer burden worldwide and poor survival rates due to delayed diagnosis, it is pertinent to develop a device for early diagnosis. We report an electrochemical biosensor for quantification of miRNA-204 (miR-204) biomarker that is dysregulated in most of the cancers. The proposed methodology uses the gold nanoparticles-modified carbon screen-printed electrode for immobilization of single-stranded DNA probe against miR-204. Colloidal gold nanoparticles were synthesized using L-glutamic acid as reducing agent. Nanoparticles were characterized by UV-visible spectroscopy and transmission electron microscopy. Spherical gold nanoparticles were of 7-28 nm in size. Biosensor fabricated using these nanoparticles was characterized by cyclic voltammetry after spiking 0.1 fg/mL-0.1 µg/mL of miR-204 in fetal bovine serum. Response characteristics of the miR-204 biosensor displayed high sensitivity of 8.86 µA/µg/µL/cm2 with wide detection range of 15.5 aM to 15.5 nM. The low detection limit makes it suitable for early diagnosis and screening of cancer.
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Affiliation(s)
- Shilpa Gundagatti
- Department of Biotechnology, Jaypee Institute of Information Technology, A-10, Sector-62, Noida, U.P., India
| | - Sudha Srivastava
- Department of Biotechnology, Jaypee Institute of Information Technology, A-10, Sector-62, Noida, U.P., India.
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11
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Chen F, Li G, Wu C, Wang L, Ko CN, Ma DL, Leung CH. Interference Reduction Biosensing Strategy for Highly Sensitive microRNA Detection. Anal Chem 2022; 94:4513-4521. [PMID: 35234447 DOI: 10.1021/acs.analchem.2c00138] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
MicroRNAs are potential biomarkers for human cancers and other diseases due to their roles as post-transcriptional regulators for gene expression. However, the detection of miRNAs by conventional methods such as RT-qPCR, in situ hybridization, northern blot-based platforms, and next-generation sequencing is complicated by short length, low abundance, high sequence homology, and susceptibility to degradation of miRNAs. In this study, we developed a nicking endonuclease-mediated interference reduction rolling circle amplification (NEM-IR-RCA) strategy for the ultrasensitive and highly specific detection of miRNA-21. This method exploits the advantages of the optical properties of long-lived iridium(III) probes, in conjunction with time-resolved emission spectroscopy (TRES) and exponential rolling circle amplification (E-RCA). Under the NEM-IR-RCA-based signal enhancement processes, the limit of detection of miRNA-21 was down to 0.0095 fM with a linear range from 0.05 to 100 fM, which is comparable with the conventional RT-qPCR. Unlike RT-qPCR, the strategy was performed at a lower and constant temperature without heating/cooling cycles and reverse transcription. The strategy could clearly discriminate between matched and mismatched targets, demonstrating high specificity. Moreover, the potential application of this method was demonstrated in cancer cells and mouse serum samples, showing good agreement with RT-qPCR results. Apart from miRNA-21 detection, this platform could be also adapted for detecting other miRNAs, such as let-7a and miRNA-22, indicating its excellent potential for biomedical research and clinical diagnostics.
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Affiliation(s)
- Feng Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau SAR 999078, China
| | - Guodong Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau SAR 999078, China.,Zhuhai UM Science and Technology Research Institute, Zhuhai 519031, China
| | - Chun Wu
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR 999077, China
| | - Ling Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau SAR 999078, China
| | - Chung-Nga Ko
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR 999077, China
| | - Dik-Lung Ma
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong SAR 999077, China
| | - Chung-Hang Leung
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Taipa, Macau SAR 999078, China.,Department of Biomedical Sciences, Faculty of Health Sciences, University of Macau, Taipa, Macao SAR 999078, China.,Zhuhai UM Science and Technology Research Institute, Zhuhai 519031, China
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12
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Chen X, Zhao X, Ma R, Hu Y, Cui C, Mi Z, Dou R, Pan D, Shan X, Wang L, Fan C, Lu X. Ionic Current Fluctuation and Orientation of Tetrahedral DNA Nanostructures in a Solid-State Nanopore. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2107237. [PMID: 35092143 DOI: 10.1002/smll.202107237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/24/2021] [Indexed: 06/14/2023]
Abstract
Understanding the dynamic behavior of a nanostructure translocating through a nanopore is important for various applications. In this paper, the characteristics in ion current traces of tetrahedral DNA nanostructures (TDN) translocating through a solid-state nanopore are examined, by combined experimental and theoretical simulations. The results of finite element analysis reveal the correlation between orientation of TDN and the conductance blockade. The experimentally measured fluctuations in the conductance blockade, expressed as voltage-dependent histogram profiles, are consistent with the simulation, revealing the nature of a random distribution in orientation and weak influence of electrostatic and viscous torques. The step changes in orientation of a TDN during translocation are further explained by the collision with the nanopore, while the gradual changes in orientation illustrate the impact of a weak torque field in the nano-fluidic channel. The results demonstrate a general method and basic understanding in the dynamic behavior of nanostructures translocating through solid-state nanopores.
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Affiliation(s)
- Xiaoyu Chen
- Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China
| | - Xinjia Zhao
- Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China
| | - Ruiping Ma
- Beijing Normal University, Beijing, 100088, China
| | - Ying Hu
- Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Chengjun Cui
- Shanghai Frontier Innovation Research Institute, Shanghai, 201108, China
| | - Zhuang Mi
- Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China
| | - Ruifen Dou
- Beijing Normal University, Beijing, 100088, China
| | - Dun Pan
- Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Bio-X Institutes, Shanghai Jiao Tong University Shanghai, Shanghai, 200030, China
| | - Xinyan Shan
- Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China
| | - Lihua Wang
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Chunhai Fan
- School of Chemistry and Chemical Engineering, and Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Xinghua Lu
- Beijing National Laboratory for Condensed-Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
- School of Physical Sciences, University of Chinese Academy of Sciences, Beijing, 100190, China
- Songshan Lake Materials Laboratory, Dongguan, Guangdong, 523808, China
- Center for Excellence in Topological Quantum Computation, Beijing, 100190, China
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13
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Zheng Y, Wang L, Xu L, Li Y, Yang X, Yang Z, Li L, Ding M, Ren S, Gong F, Chang J, Cao C, Wen Y, Li L, Liu G. Triblock probe-polyA-probe electrochemical interfacial engineering for the sensitive analysis of RNAi plants. Analyst 2022; 147:2452-2459. [DOI: 10.1039/d2an00366j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
RNA interference (RNAi) is under fast development in agriculture and brings new challenge for GMO analysis. We developed a electrochemical biosensor for the analysis of GM maize samples based on a polyA-DNA capturing probe. Ultrasensitive detection of 10 fM RNA was realized.
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Affiliation(s)
- Yu Zheng
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
| | - Lele Wang
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
| | - Li Xu
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
| | - Yan Li
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
| | - Xue Yang
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
| | - Zhenzhou Yang
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
| | - Lanying Li
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
| | - Min Ding
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
| | - Shuzhen Ren
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
| | - Feiyan Gong
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
| | - Jinxue Chang
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
| | - Chengming Cao
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
| | - Yanli Wen
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
| | - Liang Li
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, Beijing, 100081, PR China
| | - Gang Liu
- Key Laboratory of Bioanalysis and Metrology for State Market Regulation, Shanghai Institute of Measurement and Testing Technology, 1500 Zhang Heng Road, Shanghai 201203, People's Republic of China
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14
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Su J, Ke Y, Maboyi N, Zhi X, Yan S, Li F, Zhao B, Jia X, Song S, Ding X. CRISPR/Cas12a Powered DNA Framework-Supported Electrochemical Biosensing Platform for Ultrasensitive Nucleic Acid Analysis. SMALL METHODS 2021; 5:e2100935. [PMID: 34928030 DOI: 10.1002/smtd.202100935] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Indexed: 06/14/2023]
Abstract
Nucleic acid analysis using ultrasensitive and simple methods is critically important for the early-stage diagnosis and treatment of diseases. The CRISPR/Cas proteins, guided by a single-stranded RNA have shown incredible capability for sequence-specific targeting and detection. Herein, in order to improve and expand the application of CRISPR/Cas technology to the electrochemical interface-based nucleic acids analysis, the authors develop a CRISPR/Cas12a powered DNA framework-supported electrochemical biosensing platform via the cis and trans cleavage of Cas12a on the heterogeneous carbon interface (the existing publications which commonly adopted trans-cleavage). Their solid-liquid interface is first immobilized by 3D tetrahedral framework nucleic acids (FNAs) with specific DNA recognition probe. Based on the recognition of the complementary target through protospacer adjacent motif (PAM) confirmation and CRISPR-derived RNA (crRNA) matching, the easily formed Cas12a/crRNA duplex can get access to the interface, and the cis and trans cleavage of Cas12a can be easily activated. In combination with the enzyme catalyzed reaction, they achieved an ultralow limit of detection (LOD) of 100 fm in HPV-16 detection without pre-amplification. Furthermore, the platform is compatible with a spike-in human serum sample and has superior stability. Thus, their reported platform offers a practical, versatile, and amplification-free toolbox for ultrasensitive nucleic acid analysis.
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Affiliation(s)
- Jing Su
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Yuqing Ke
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Nokuzola Maboyi
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Xiao Zhi
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Sijia Yan
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Fuwu Li
- Shanghai Synchrotron Radiation Facility, Zhangjiang Lab, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Bo Zhao
- Stony Brook University, Stony Brook, NY, 11794, USA
| | - Xiaolong Jia
- Department of Urology, Ningbo First Hospital, Ningbo Hospital of Zhejiang University, 17 Ningbo, Zhejiang Province, China
| | - Shiping Song
- Shanghai Synchrotron Radiation Facility, Zhangjiang Lab, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201210, China
| | - Xianting Ding
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
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15
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Wang J, Sui L, Huang J, Miao L, Nie Y, Wang K, Yang Z, Huang Q, Gong X, Nan Y, Ai K. MoS 2-based nanocomposites for cancer diagnosis and therapy. Bioact Mater 2021; 6:4209-4242. [PMID: 33997503 PMCID: PMC8102209 DOI: 10.1016/j.bioactmat.2021.04.021] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Revised: 04/05/2021] [Accepted: 04/11/2021] [Indexed: 12/24/2022] Open
Abstract
Molybdenum is a trace dietary element necessary for the survival of humans. Some molybdenum-bearing enzymes are involved in key metabolic activities in the human body (such as xanthine oxidase, aldehyde oxidase and sulfite oxidase). Many molybdenum-based compounds have been widely used in biomedical research. Especially, MoS2-nanomaterials have attracted more attention in cancer diagnosis and treatment recently because of their unique physical and chemical properties. MoS2 can adsorb various biomolecules and drug molecules via covalent or non-covalent interactions because it is easy to modify and possess a high specific surface area, improving its tumor targeting and colloidal stability, as well as accuracy and sensitivity for detecting specific biomarkers. At the same time, in the near-infrared (NIR) window, MoS2 has excellent optical absorption and prominent photothermal conversion efficiency, which can achieve NIR-based phototherapy and NIR-responsive controlled drug-release. Significantly, the modified MoS2-nanocomposite can specifically respond to the tumor microenvironment, leading to drug accumulation in the tumor site increased, reducing its side effects on non-cancerous tissues, and improved therapeutic effect. In this review, we introduced the latest developments of MoS2-nanocomposites in cancer diagnosis and therapy, mainly focusing on biosensors, bioimaging, chemotherapy, phototherapy, microwave hyperthermia, and combination therapy. Furthermore, we also discuss the current challenges and prospects of MoS2-nanocomposites in cancer treatment.
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Affiliation(s)
- Jianling Wang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Lihua Sui
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Jia Huang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Lu Miao
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Yubing Nie
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Kuansong Wang
- Department of Pathology, Xiangya Hospital, Central South University, Changsha, Hunan, 410078, China
- Department of Pathology, School of Basic Medical Science, Central South University, Changsha, Hunan, 410013, China
| | - Zhichun Yang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
| | - Qiong Huang
- Department of Pharmacology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Xue Gong
- Department of Radiology, The Second Hospital of Jilin University, Changchun, 130041, China
| | - Yayun Nan
- Geriatric Medical Center, Ningxia People's Hospital, Yinchuan, China
| | - Kelong Ai
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, 410078, China
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16
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Tan J, Wen Y, Li M. Emerging biosensing platforms for quantitative detection of exosomes as diagnostic biomarkers. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214111] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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17
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Rapid heavy metal sensing platform: A case of triple signal amplification strategy for the sensitive detection of serum copper. Anal Chim Acta 2021; 1181:338908. [PMID: 34556231 DOI: 10.1016/j.aca.2021.338908] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 07/30/2021] [Accepted: 08/02/2021] [Indexed: 10/20/2022]
Abstract
Heavy metals are considered as hazardous substances to human because of their toxicity, persistence and bioaccumulation, and the level in serum is an important factor to evaluate the caused health risk, which depends on efficient and sensitive analytical methods. Here, a triple signal-amplified electrochemical sensing platform based on metal-dependent DNAzymes was fabricated for sensitive determination of heavy metals in serum (copper as a model target). Under the optimized conditions, the proposed method showed good sensitivity (limit of detection, 0.33 fM for Cu2+) with excellent selectivity and stability, which is ascribed to: (i) tetrahedral DNA nanostructures (TDNs) that was used as a promising scaffold to adjust the selective transformation between heterogeneous and homogeneous reactions, preventing the nonspecific binding of electrodes surface and DNA probes; (ii) the magnetic beads (MBs) used which led to signal amplification and decreased background owing to its excellent properties of extracting equivalent targets from the complex samples; (iii) two signal amplification strategy of catalytic hairpin assembly (CHA) and hybridization chain reaction (HCR). In addition, the proposed sensing platform displayed satisfactory accuracy through the validation with inductively coupled plasma-mass spectrometry (ICP-MS) and a spike-recovery analysis (recoveries, 87.92-111.61%; RSD, 4.89-8.85%), indicating the great potential for rapid and sensitive detection of Cu2+ or other metal ions.
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18
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Design of a cost-effective inverted tetrahedral DNA nanostructure – Based interfacial probe for electrochemical biosensing with enhanced performance. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106455] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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19
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Basak M, Mitra S, Agnihotri SK, Jain A, Vyas A, Bhatt MLB, Sachan R, Sachdev M, Nemade HB, Bandyopadhyay D. Noninvasive Point-of-Care Nanobiosensing of Cervical Cancer as an Auxiliary to Pap-Smear Test. ACS APPLIED BIO MATERIALS 2021; 4:5378-5390. [PMID: 35007017 DOI: 10.1021/acsabm.1c00470] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A potential cancer antigen (Ag), protein-phosphatase-1-gamma-2 (PP1γ2), with a restricted expression in testis and sperms has been identified as a biomarker specific to cervical cancer (CaCx). Detection of this cancer biomarker antigen (NCB-Ag) in human urine opens up the possibility of noninvasive detection of CaCx to supplement the dreaded and invasive Pap-smear test. A colorimetric response of an assembly of gold nanoparticles (Au NPs) has been employed for the quantitative, noninvasive, and point-of-care-testing of CaCx in the urine. In order to fabricate the immunosensor, Au NPs of sizes ∼5-20 nm have been chemically modified with a linker, 3,3'-di-thio-di-propionic-acid-di(n-hydroxy-succinimide-ester) (DTSP) to attach the antibody (Ab) specific to the NCB-Ag. Interestingly, the addition of Ag to the composite of Ab-DTSP-Au NPs leads to a significant hypsochromic shift due to a localized surface plasmon resonance phenomenon, which originates from the specific epitope-paratope interaction between the NCB-Ag and Ab-DTSP-Au NPs. The variations in the absorbance and wavelength shift during such attachments of different concentrations of NCB-Ag on the Ab-DTSP-Au NPs composite have been employed as a calibration to identify NCB-Ag in human urine. An in-house prototype has been assembled by integrating a light-emitting diode of a narrow range wavelength in one side of a cuvette in which the reaction has been performed while a sensitive photodetector to the other side to transduce the transmitted signal associated with the loading of NCB-Ag in the Ab-DTSP-Au NPs composite. The proposed immunosensing platform has been tested against other standard proteins to ensure noninterference alongside proving the proof-for-specificity of the NCB detection.
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Affiliation(s)
- Mitali Basak
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Shirsendu Mitra
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Saurabh Kumar Agnihotri
- Endocrinology, Division, CSIR-Central Drug Research Institute Lucknow, Lucknow, Uttar Pradesh 226 031, India
| | - Ankita Jain
- Endocrinology, Division, CSIR-Central Drug Research Institute Lucknow, Lucknow, Uttar Pradesh 226 031, India
| | - Akanksha Vyas
- Endocrinology, Division, CSIR-Central Drug Research Institute Lucknow, Lucknow, Uttar Pradesh 226 031, India
| | | | - Rekha Sachan
- King George's Medical University, Lucknow, Uttar Pradesh 226 003, India
| | - Monika Sachdev
- Endocrinology, Division, CSIR-Central Drug Research Institute Lucknow, Lucknow, Uttar Pradesh 226 031, India
| | - Harshal B Nemade
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
| | - Dipankar Bandyopadhyay
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India.,Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam 781039, India
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20
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Ultrasensitive electrochemical detection of microRNA based on in-situ catalytic hairpin assembly actuated DNA tetrahedral interfacial probes. Talanta 2021; 233:122600. [PMID: 34215088 DOI: 10.1016/j.talanta.2021.122600] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 06/04/2021] [Accepted: 06/06/2021] [Indexed: 11/24/2022]
Abstract
Selective and sensitive detection of microRNA is crucial for early diagnosis and pathogenesis of disease. Here, we established a novel electrochemical biosensor for simple and accurate analysis of the tumor biomarker microRNA-141, which was based on in-situ catalytic hairpin assembly (CHA) actuated DNA tetrahedral (DTN) interfacial probes. Two hairpin structures used for CHA reaction were placed on the DTN, in which the hairpin H1 on the one vertex of DTN and hairpin H2 embedded in adjacent edge, respective. The target microRNA-141 could open the hairpin H1 and activated the in-situ CHA reaction between H1 and H2 to alter the conformational of DTN, increasing the chances of the direct interaction between methylene blue (MB) and the electrode surface, leading to an increase in the electrochemical signal. Meanwhile, the released miRNA-141 could unfold another H1, enabling the enzyme-free recycling of the target to obtain amplified electrochemical signals. Moreover, the in-situ catalytic hairpin assembly reaction on DTN could shorten the reaction time and enhance the sensitivity. The established biosensor exhibited a wide linear dynamic range of miRNA-141 from 1 fM to 100 pM with a detection limit of 0.32 fM. Besides, the approach can discriminate the target miRNA from mismatched ones with excellent selectivity and can be successfully applied in diluted serum samples, holding great potential for sensitive detection of various biomarkers clinically.
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21
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Zhao G, Liu Y, Du J, Zhang H, Feng H, Lu X. Application of tetrahedral -deoxyribonucleic acid electrochemistry platform coupling aptazymes and hybridized hairpin reactions for the measurement of extracellular adenosine triphosphate in plants. Anal Chim Acta 2021; 1172:338681. [PMID: 34119022 DOI: 10.1016/j.aca.2021.338681] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 05/18/2021] [Accepted: 05/21/2021] [Indexed: 11/29/2022]
Abstract
Extracellular ATP (eATP) is an important biological signal transduction molecule. Although a variety of detection methods have been extensively used in ATP sensing and analysis, accurate detection of eATP remains difficult due to its extremely low concentration and spatiotemporal distribution. Here, an eATP measurement strategy based on tetrahedral DNA (T-DNA)-modified electrode sensing platform and hybridization chain reaction (HCR) combined with G-quadruplex/Hemin (G4/Hemin) DNAzyme dual signal amplification is proposed. In this strategy, ATP aptamer and RNA-cleaving DNAzyme were combined to form a split aptazyme. In the presence of ATP, this aptazyme hydrolyzes the cleaving substrate strand with high selectivity, releasing cleaved ssDNA, which are captured by the T-DNA assembled on the electrode surface, triggering an HCR on the electrode surface to form numerous linker sequences of the HCR dsDNA product. When G-quadruplex@AuNPs (G4) spherical nucleic acid enzymes (SNAzymes) with other linkers are used as nanocatalyst tags, they are captured by HCR dsDNA through sticky linkers present on the electrode surface. An amplified electrochemical redox current signal is generated through SNAzyme-mediated catalysis of H2O2, enabling easy detection of picomole amounts of ATP. Using this strategy, eATP levels released by tobacco suspension cells were accurately measured and the distribution and concentration of eATP released on the surface of an Arabidopsis leaf was determined.
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Affiliation(s)
- Guoyan Zhao
- College of Life Science, Northwest Normal University, Lanzhou, 730070, Gansu, China
| | - Yongmei Liu
- College of Life Science, Northwest Normal University, Lanzhou, 730070, Gansu, China
| | - Jie Du
- College of Life Science, Northwest Normal University, Lanzhou, 730070, Gansu, China; Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, Northwest Normal University, Lanzhou, 730070, Gansu, China.
| | - Huizi Zhang
- College of Life Science, Northwest Normal University, Lanzhou, 730070, Gansu, China
| | - Hanqing Feng
- College of Life Science, Northwest Normal University, Lanzhou, 730070, Gansu, China.
| | - Xiaoquan Lu
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, Northwest Normal University, Lanzhou, 730070, Gansu, China.
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22
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Xu L, Qi J, Wen Y, Liang W, Wang L, Yang Z, Yang X, Qi Y, Duan M, Zhao K, Gu J, Shen Y, Rao P, Ding M, Ren S, Li L, Liu G. A polyA DNA probe-based ultra-sensitive and structure-distinguishable electrochemical biosensor for the analysis of RNAi transgenic maize. Analyst 2021; 146:3526-3533. [PMID: 33881427 DOI: 10.1039/d1an00313e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Since the application of RNA interference (RNAi) is rapidly developing in GMO technology, accurate and sensitive detection of functional RNA molecules was urgently needed, for the safety and functional assessment of RNAi crops. In this work, we developed an electrochemical biosensor for transgene-derived long RNA based on a poly-adenine (polyA) DNA capture probe. The polyA self-assembling monolayer (SAM) provided enhanced interface stability and optimized surface density for the subsequent hybridization of the long RNA molecule. A multiple reporter probe system (MRP) containing 12 reporter probes (RPs) and 2 spacers was applied to open the complex molecular secondary structure and hybridize with the long RNA, with the critical assistance of dimethyl sulfoxide (DMSO). By using 3 addressable RPs, structural recognition was performed among long stem-loop RNA, long dsRNA (no loop), and siRNA. Excellent selectivity was achieved when the extracted total RNA samples were directly analyzed. When reverse transcription recombinase polymerase amplification (RT-RPA) technology was combined, the sensitivity was improved to 10 aM. To the best of our knowledge, this is the first electrochemical biosensor with the excellent capability of quantification and structural analysis of the long RNA of the RNAi GMO. Our work shows great potential in a wide range of RNAi GMO samples.
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Affiliation(s)
- Li Xu
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
| | - Jiawei Qi
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China. and College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, P.R. China
| | - Yanli Wen
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
| | - Wen Liang
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
| | - Lele Wang
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
| | - Zhenzhou Yang
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
| | - Xue Yang
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
| | - Yu Qi
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
| | - Manlei Duan
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
| | - Keke Zhao
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
| | - Jie Gu
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
| | - Yiji Shen
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
| | - Pinhua Rao
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai, 201620, P.R. China
| | - Min Ding
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
| | - Shuzhen Ren
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
| | - Liang Li
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Gang Liu
- Laboratory of Biometrology, Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and testing technology, Shanghai, 201203, P.R. China.
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Ahn SY, Liu J, Vellampatti S, Wu Y, Um SH. DNA Transformations for Diagnosis and Therapy. ADVANCED FUNCTIONAL MATERIALS 2021; 31:2008279. [PMID: 33613148 PMCID: PMC7883235 DOI: 10.1002/adfm.202008279] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 11/22/2020] [Indexed: 05/03/2023]
Abstract
Due to its unique physical and chemical characteristics, DNA, which is known only as genetic information, has been identified and utilized as a new material at an astonishing rate. The role of DNA has increased dramatically with the advent of various DNA derivatives such as DNA-RNA, DNA-metal hybrids, and PNA, which can be organized into 2D or 3D structures by exploiting their complementary recognition. Due to its intrinsic biocompatibility, self-assembly, tunable immunogenicity, structural programmability, long stability, and electron-rich nature, DNA has generated major interest in electronic and catalytic applications. Based on its advantages, DNA and its derivatives are utilized in several fields where the traditional methodologies are ineffective. Here, the present challenges and opportunities of DNA transformations are demonstrated, especially in biomedical applications that include diagnosis and therapy. Natural DNAs previously utilized and transformed into patterns are not found in nature due to lack of multiplexing, resulting in low sensitivity and high error frequency in multi-targeted therapeutics. More recently, new platforms have advanced the diagnostic ability and therapeutic efficacy of DNA in biomedicine. There is confidence that DNA will play a strong role in next-generation clinical technology and can be used in multifaceted applications.
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Affiliation(s)
- So Yeon Ahn
- School of Chemical EngineeringSungkyunkwan University2066, Seobu‐ro, Jangan‐guSuwonGyeonggi‐do16419Korea
| | - Jin Liu
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia MedicaSchool of Chemistry and Chemical Engineering Huazhong University of Science and Technology1037 Luoyu LoadWuhan430074China
| | - Srivithya Vellampatti
- Institute of Convergent Chemical Engineering and TechnologySungkyunkwan University2066, Seobu‐ro, Jangan‐guSuwonGyeonggi‐do16419Korea
- Present address:
Progeneer, Inc.#1002, 12, Digital‐ro 31‐gil, Guro‐guSeoul08380Korea
| | - Yuzhou Wu
- Hubei Key Laboratory of Bioinorganic Chemistry and Materia MedicaSchool of Chemistry and Chemical Engineering Huazhong University of Science and Technology1037 Luoyu LoadWuhan430074China
| | - Soong Ho Um
- School of Chemical EngineeringSKKU Advanced Institute of Nanotechnology (SAINT)Biomedical Institute for Convergence at SKKU (BICS) and Institute of Quantum Biophysics (IQB)Sungkyunkwan University2066, Seobu‐ro, Jangan‐guSuwonGyeonggi‐do16419Korea
- Progeneer Inc.#1002, 12, Digital‐ro 31‐gil, Guro‐guSeoul08380Korea
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24
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Wang LJ, Liang L, Liu BJ, Jiang B, Zhang CY. A controlled T7 transcription-driven symmetric amplification cascade machinery for single-molecule detection of multiple repair glycosylases. Chem Sci 2021; 12:5544-5554. [PMID: 34168791 PMCID: PMC8179622 DOI: 10.1039/d1sc00189b] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 02/24/2021] [Indexed: 12/26/2022] Open
Abstract
Genomic oxidation and alkylation are two of the most important forms of cytotoxic damage that may induce mutagenesis, carcinogenicity, and teratogenicity. Human 8-oxoguanine (hOGG1) and alkyladenine DNA glycosylases (hAAG) are responsible for two major forms of oxidative and alkylative damage repair, and their aberrant activities may cause repair deficiencies that are associated with a variety of human diseases, including cancers. Due to their complicated catalytic pathways and hydrolysis mechanisms, simultaneous and accurate detection of multiple repair glycosylases has remained a great challenge. Herein, by taking advantage of unique features of T7-based transcription and the intrinsic superiorities of single-molecule imaging techniques, we demonstrate for the first time the development of a controlled T7 transcription-driven symmetric amplification cascade machinery for single-molecule detection of hOGG1 and hAAG. The presence of hOGG1 and hAAG can remove damaged 8-oxoG and deoxyinosine, respectively, from the dumbbell substrate, resulting in breaking of the dumbbell substrate, unfolding of two loops, and exposure of two T7 promoters simultaneously. The T7 promoters can activate symmetric transcription amplifications with the unfolded loops as the templates, inducing efficient transcription to produce two different single-stranded RNA transcripts (i.e., reporter probes 1 and 2). Reporter probes 1 and 2 hybridize with signal probes 1 and 2, respectively, to initiate duplex-specific nuclease-directed cyclic digestion of the signal probes, liberating large amounts of Cy3 and Cy5 fluorescent molecules. The released Cy3 and Cy5 molecules can be simply measured by total internal reflection fluorescence-based single-molecule detection, with the Cy3 signal indicating the presence of hOGG1 and the Cy5 signal indicating the presence of hAAG. This method exhibits good specificity and high sensitivity with a detection limit of 3.52 × 10-8 U μL-1 for hOGG1 and 3.55 × 10-7 U μL-1 for hAAG, and it can even quantify repair glycosylases at the single-cell level. Moreover, it can be applied for the measurement of kinetic parameters, the screening of potential inhibitors, and the detection of repair glycosylases in human serum, providing a new paradigm for repair enzyme-related biomedical research, drug discovery, and clinical diagnosis.
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Affiliation(s)
- Li-Juan Wang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University Jinan 250014 China
- School of Chemistry and Chemical Engineering, Southeast University Nanjing 211189 China
| | - Le Liang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University Jinan 250014 China
| | - Bing-Jie Liu
- Academy of Medical Sciences, Zhengzhou University Zhengzhou 450000 China
| | - BingHua Jiang
- Academy of Medical Sciences, Zhengzhou University Zhengzhou 450000 China
| | - Chun-Yang Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University Jinan 250014 China
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25
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Yao Y, Pan H, Luo Y, Zhu D, Chao J, Su S, Wang L. A label-free electrochemical sensor for ultrasensitive microRNA-21 analysis based on the poly(l-cysteine)/MoS 2 sensing interface. Analyst 2021; 146:1663-1667. [PMID: 33480363 DOI: 10.1039/d0an02314k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The label-free detection of nucleic acids has attracted interest of scientists due to the fact that it is simple, fast and efficient. Herein, l-cysteine was electropolymerized on the molybdenum disulfide (MoS2) surface to form a stable and electroactive poly(l-cysteine)-functionalized molybdenum disulfide (Pl-Cys/MoS2) sensing interface. Taking microRNA-21 (miRNA-21) as an analytical model, a label-free electrochemical sensor was designed according to the properties of the Pl-Cys/MoS2 sensing interface. Experimental data exhibited that the designed electrochemical sensor exhibited excellent sensitivity, selectivity and stability towards miRNA-21 detection in buffer and real samples. This study offers a methodology to construct a label-free sensing interface by combining MoS2 nanosheets and electroactive molecules.
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Affiliation(s)
- Yao Yao
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
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26
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Feng D, Su J, Xu Y, He G, Wang C, Wang X, Pan T, Ding X, Mi X. DNA tetrahedron-mediated immune-sandwich assay for rapid and sensitive detection of PSA through a microfluidic electrochemical detection system. MICROSYSTEMS & NANOENGINEERING 2021; 7:33. [PMID: 34567747 PMCID: PMC8433179 DOI: 10.1038/s41378-021-00258-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 02/25/2021] [Accepted: 03/08/2021] [Indexed: 05/12/2023]
Abstract
Prostate-specific antigen (PSA) is the most widely used biomarker for the early diagnosis of prostate cancer. Existing methods for PSA detection are burdened with some limitations and require improvement. Herein, we developed a novel microfluidic-electrochemical (μFEC) detection system for PSA detection. First, we constructed an electrochemical biosensor based on screen-printed electrodes (SPEs) with modification of gold nanoflowers (Au NFs) and DNA tetrahedron structural probes (TSPs), which showed great detection performance. Second, we fabricated microfluidic chips by DNA TSP-Au NF-modified SPEs and a PDMS layer with designed dense meandering microchannels. Finally, the μFEC detection system was achieved based on microfluidic chips integrated with the liquid automatic conveying unit and electrochemical detection platform. The μFEC system we developed acquired great detection performance for PSA detection in PBS solution. For PSA assays in spiked serum samples of the μFEC system, we obtained a linear dynamic range of 1-100 ng/mL with a limit of detection of 0.2 ng/mL and a total reaction time <25 min. Real serum samples of prostate cancer patients presented a strong correlation between the "gold-standard" chemiluminescence assays and the μFEC system. In terms of operation procedure, cost, and reaction time, our method was superior to the current methods for PSA detection and shows great potential for practical clinical application in the future.
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Affiliation(s)
- Dezhi Feng
- Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 200050 Shanghai, China
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, 201210 Shanghai, China
- University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Jing Su
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, 200030 Shanghai, China
| | - Yi Xu
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, 201210 Shanghai, China
| | - Guifang He
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, 201210 Shanghai, China
- School of Life Sciences, Shanghai University, 200444 Shanghai, China
| | - Chenguang Wang
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, 201210 Shanghai, China
- University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Xiao Wang
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, 201210 Shanghai, China
- School of Life Sciences, Shanghai University, 200444 Shanghai, China
| | - Tingrui Pan
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Science, 518055 Shenzhen, China
| | - Xianting Ding
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, 200030 Shanghai, China
| | - Xianqiang Mi
- Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 200050 Shanghai, China
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, 201210 Shanghai, China
- University of Chinese Academy of Sciences, 100049 Beijing, China
- CAS Center for Excellence in Superconducting Electronics, (CENSE), 200050 Shanghai, China
- Key Laboratory of Systems Health Science of Zhejiang Province, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 310024 Hangzhou, China
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27
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Zhou M, Gao S, Zhang X, Zhang T, Zhang T, Tian T, Li S, Lin Y, Cai X. The protective effect of tetrahedral framework nucleic acids on periodontium under inflammatory conditions. Bioact Mater 2020; 6:1676-1688. [PMID: 33313447 PMCID: PMC7708773 DOI: 10.1016/j.bioactmat.2020.11.018] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 11/04/2020] [Accepted: 11/12/2020] [Indexed: 02/08/2023] Open
Abstract
Periodontitis is a common disease that causes periodontium defects and tooth loss. Controlling inflammation and tissue regeneration are two key strategies in the treatment of periodontitis. Tetrahedral framework nucleic acids can modulate multiple biological behaviors, and thus, their biological applications have been widely explored. In this study, we investigated the effect of tFNAs on periodontium under inflammatory conditions. Lipopolysaccharide and silk ligature were used to induce inflammation in vivo and in vitro. The results displayed that tFNAs decreased the release of pro-inflammatory cytokines and levels of cellular reactive oxygen species in periodontal ligament stem cells, which promoted osteogenic differentiation. Furthermore, animal experiments showed that tFNAs ameliorated the inflammation of the periodontium and protect periodontal tissue, especially reducing alveolar bone absorption by decreasing inflammatory infiltration and inhibiting osteoclast formation. These findings suggest that tFNAs can significantly improve the therapeutic effect of periodontitis and have the great potential significance in the field of periodontal tissue regeneration. tFNAs decreased the release of pro-inflammatory cytokines and promoted osteogenic differentiation. tFNAs ameliorated the inflammation of the periodontium and protect periodontal tissue. tFNAs can significantly improve the therapeutic effect of periodontitis.
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Affiliation(s)
- Mi Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Shaojingya Gao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Xiaolin Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Tianxu Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Tao Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Taoran Tian
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Songhang Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Yunfeng Lin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China.,College of Biomedical Engineering, Sichuan University, Chengdu, 610041, China
| | - Xiaoxiao Cai
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
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28
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Rajwar A, Kharbanda S, Chandrasekaran AR, Gupta S, Bhatia D. Designer, Programmable 3D DNA Nanodevices to Probe Biological Systems. ACS APPLIED BIO MATERIALS 2020; 3:7265-7277. [PMID: 35019470 DOI: 10.1021/acsabm.0c00916] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
DNA nanotechnology is a unique field that provides simple yet robust design techniques for self-assembling nanoarchitectures with extremely high potential for biomedical applications. Though the field began to exploit DNA to build various nanoscale structures, it has now taken a different path, diverging from the creation of complex structures to functional DNA nanodevices that explore various biological systems and mechanisms. Here, we present a brief overview of DNA nanotechnology, summarizing the key strategies for construction of various DNA nanodevices, with special focus on three-dimensional (3D) nanocages or polyhedras. We then discuss biological applications of 3D DNA nanocages, particularly tetrahedral DNA cages, in their ability to program and modulate cellular systems, in biosensing, and as tools for targeted therapeutics. We conclude with a final discussion on challenges and perspectives of 3D DNA nanodevices in biomedical applications.
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Affiliation(s)
- Anjali Rajwar
- Biological Engineering Discipline, Indian Institute of Technology Gandhinagar, Palaj, Gujarat 382355, India
| | - Sumit Kharbanda
- Biological Engineering Discipline, Indian Institute of Technology Gandhinagar, Palaj, Gujarat 382355, India
| | - Arun Richard Chandrasekaran
- The RNA Institute, University at Albany, State University of New York, Albany, New York 12222, United States
| | - Sharad Gupta
- Biological Engineering Discipline, Indian Institute of Technology Gandhinagar, Palaj, Gujarat 382355, India.,Center for Biomedical Engineering, Indian Institute of Technology Gandhinagar, Palaj, Gujarat 382355, India
| | - Dhiraj Bhatia
- Biological Engineering Discipline, Indian Institute of Technology Gandhinagar, Palaj, Gujarat 382355, India.,Center for Biomedical Engineering, Indian Institute of Technology Gandhinagar, Palaj, Gujarat 382355, India
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29
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Chen X, Xie Y, Zhang Y, Li C, Xu W. Programmable 3D rigid clathrate hydrogels based on self-assembly of tetrahedral DNA and linker PCR products. Chem Commun (Camb) 2020; 56:13181-13184. [PMID: 33020774 DOI: 10.1039/d0cc05898j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A clathrate tetrahedral DNA gel was assembled by combining tetrahedral DNA and rigid linker PCR products to achieve visible detection of Salmonella spp. This method overcame the shortcomings of AuNPs in coloration and enriched the use of tetrahedral DNA for the visible detection of virtually any target concerned with pathogens.
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Affiliation(s)
- Xu Chen
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100083, China.
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30
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Hakimian F, Ghourchian H. Ultrasensitive electrochemical biosensor for detection of microRNA-155 as a breast cancer risk factor. Anal Chim Acta 2020; 1136:1-8. [DOI: 10.1016/j.aca.2020.08.039] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 07/27/2020] [Accepted: 08/19/2020] [Indexed: 12/17/2022]
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31
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Su S, Ma J, Xu Y, Pan H, Zhu D, Chao J, Weng L, Wang L. Electrochemical Analysis of Target-Induced Hairpin-Mediated Aptamer Sensors. ACS APPLIED MATERIALS & INTERFACES 2020; 12:48133-48139. [PMID: 32955243 DOI: 10.1021/acsami.0c12897] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The state of probe DNA at the biosensing interface greatly affects the detection performance of electrochemical DNA biosensors. Herein, we constructed a target-induced hairpin-mediated biosensing interface to study the effect of probe DNA on the analytical performance of adenosine triphosphate aptamer (ATPA) and adenosine triphosphate (ATP) detection. Moreover, we also explored the electrochemical contribution of the coexisting hairpin and double-stranded DNA (dsDNA) to this sensing interface. Experimental results suggested that the molecular recognition ability and detection performance of the biosensing interface were majorly dependent on the surface density of methylene blue (MB)-labeled probe hairpin DNA and partly affected by the spatial state of the formed dsDNA. When the surface density of hairpin DNA was moderate (5.72 pmol cm-2), this sensing interface determined as low as 0.74 fM ATPA and 5.04 pM ATP with high selectivity and excellent regeneration, respectively. Furthermore, we calculated that the formed dsDNA had a 31.87% contribution in the total electrochemical signal for 10 pM ATPA detection. Based on the above results, we designed an XOR logic gate based on the biosensing interface for ATPA and ATP detection.
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Affiliation(s)
- Shao Su
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
| | - Jianfeng Ma
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
| | - Yongqiang Xu
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
| | - Hemeng Pan
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
| | - Dan Zhu
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
| | - Jie Chao
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
| | - Lixing Weng
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
- College of Geography and Biological Information, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Lianhui Wang
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
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32
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Jiang J, Yu Y, Zhang H, Cai C. Electrochemical aptasensor for exosomal proteins profiling based on DNA nanotetrahedron coupled with enzymatic signal amplification. Anal Chim Acta 2020; 1130:1-9. [PMID: 32892927 DOI: 10.1016/j.aca.2020.07.012] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/22/2020] [Accepted: 07/06/2020] [Indexed: 12/14/2022]
Abstract
Exosomes are extracellular nanovesicles for transferring and delivering membrane and cytosolic molecules between cells. Detection and profiling of exosomal proteins can provide direct information on disease progression, which is important to the early diagnosis and monitoring of diseases. Herein, a well-designed electrochemical aptasensor was fabricated for the profiling of cancerous exosomal proteins based on DNA nanotetrahedron (NTH) coupled with Au nanoparticles (NPs) and enzymatic signal amplification. In this assay, the aptamer modified DNA NTHs were used as the recognition and capture unit, Au NPs-DNA conjugates coupled with horseradish peroxidase were used to realize signal amplification. This aptasensor achieves a detection limit down to 1.66 × 104 particles/mL for HepG2 liver cancer exosomes. In addition, the analysis of plasma-derived exosomes in HepG2 liver cancer bearing mice at different cancer stages was also achieved. More importantly, the aptasensor can be used to profile four kinds of exosomal proteins by using the corresponding aptamer. The proposed electrochemical aptasensor may be served as a potential platform for exosome detection and exosomal proteins profiling.
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Affiliation(s)
- Juqian Jiang
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Biomedical Materials, National and Local Joint Engineering Research Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210097, PR China
| | - Yongqi Yu
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Biomedical Materials, National and Local Joint Engineering Research Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210097, PR China
| | - Hui Zhang
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Biomedical Materials, National and Local Joint Engineering Research Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210097, PR China.
| | - Chenxin Cai
- Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Biomedical Materials, National and Local Joint Engineering Research Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210097, PR China
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Feng D, Su J, He G, Xu Y, Wang C, Zheng M, Qian Q, Mi X. Electrochemical DNA Sensor for Sensitive BRCA1 Detection Based on DNA Tetrahedral-Structured Probe and Poly-Adenine Mediated Gold Nanoparticles. BIOSENSORS-BASEL 2020; 10:bios10070078. [PMID: 32698331 PMCID: PMC7400266 DOI: 10.3390/bios10070078] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 06/28/2020] [Accepted: 07/08/2020] [Indexed: 01/18/2023]
Abstract
BRCA1 is the biomarker for the early diagnosis of breast cancer. Detection of BRCA1 has great significance for the genetic analysis, early diagnosis and clinical treatment of breast cancer. In this work, we developed a simple electrochemical DNA sensor based on a DNA tetrahedral-structured probe (TSP) and poly-adenine (polyA) mediated gold nanoparticles (AuNPs) for the sensitive detection of BRCA1. A thiol-modified TSP was used as the scaffold on the surface of the screen-printed AuNPs electrode. The capture DNA (TSP) and reporter DNA were hybridized to the target DNA (BRCA1), respectively, to form the typical sandwich system. The nanocomposites of reporter DNA (polyA at the 5′ end) combined with AuNPs were employed for signal amplification which can capture multiple enzymes by the specificity between biotin and streptavidin. Measurements were completed in the electrochemical workstation by cyclic voltammetry and amperometry and we obtained the low limit of detection of 0.1 fM with the linear range from 1 fM to 1 nM. High sensitivity and good specificity of the proposed electrochemical DNA sensor showed potential applications in clinical early diagnosis for breast cancer.
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Affiliation(s)
- Dezhi Feng
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China; (D.F.); (G.H.); (Y.X.); (C.W.); (M.Z.); (Q.Q.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jing Su
- Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China;
| | - Guifang He
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China; (D.F.); (G.H.); (Y.X.); (C.W.); (M.Z.); (Q.Q.)
- School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Yi Xu
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China; (D.F.); (G.H.); (Y.X.); (C.W.); (M.Z.); (Q.Q.)
| | - Chenguang Wang
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China; (D.F.); (G.H.); (Y.X.); (C.W.); (M.Z.); (Q.Q.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mengmeng Zheng
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China; (D.F.); (G.H.); (Y.X.); (C.W.); (M.Z.); (Q.Q.)
- School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Qiuling Qian
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China; (D.F.); (G.H.); (Y.X.); (C.W.); (M.Z.); (Q.Q.)
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xianqiang Mi
- Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China; (D.F.); (G.H.); (Y.X.); (C.W.); (M.Z.); (Q.Q.)
- University of Chinese Academy of Sciences, Beijing 100049, China
- Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
- CAS Center for Excellence in Superconducting Electronics (CENSE), Shanghai 200050, China
- Key Laboratory of Systems Biology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Hangzhou 310024, China
- Correspondence:
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Ohannesian N, Gunawardhana L, Misbah I, Rakhshandehroo M, Lin SH, Shih WC. Commercial and emerging technologies for cancer diagnosis and prognosis based on circulating tumor exosomes. JPHYS PHOTONICS 2020. [DOI: 10.1088/2515-7647/ab8699] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Abstract
Exosomes are nano-sized extracellular vesicles excreted by mammalian cells that circulate freely in the bloodstream of living organisms. Exosomes have a lipid bilayer that encloses genetic material used in intracellular communication (e.g. double-stranded DNA, micro-RNAs, and messenger RNA). Recent evidence suggests that dysregulation of this genetic content within exosomes has a major role in tumor progression in the surrounding microenvironment. Motivated by this discovery, we focused here on using exosomal biomarkers as a diagnostic and prognostic tool for cancer. In this review, we discuss recently discovered exosome-derived proteomic and genetic biomarkers used in cancer diagnosis and prognosis. Although several genetic biomarkers have been validated for their diagnostic values, proteomic biomarkers are still being actively pursued. We discuss both commercial technologies and emerging technologies for exosome isolation and analysis. Emerging technologies can be classified into optical and non-optical methods. The working principle of each method is briefly discussed as well as advantages and limitations.
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Xu M, Fu P, Xing S, Zhao Y, Zhao C. A PNA-DNA 2 Triple-Helix Molecular Switch-Based Colorimetric Sensor for Sensitive and Specific Detection of microRNAs from Cancer Cells. Chembiochem 2020; 21:2667-2675. [PMID: 32304168 DOI: 10.1002/cbic.202000155] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/16/2020] [Indexed: 01/07/2023]
Abstract
Peptide nucleic acids (PNAs), the synthetic DNA mimics that can bind to oligonucleotides to form duplexes, triplexes, and quadruplexes, could be advantageous as probes for nucleic acid sequences owing to their unique physicochemical and biochemical properties. We have found that a homopurine PNA strand could bind to two homopyrimidine DNA strands to form a PNA-DNA2 triplex. Moreover, the cyanine dye DiSC2 (5) could bind with high affinity to this triplex and cause a noticeable color change. On the basis of this phenomenon, we have designed a label-free colorimetric sensing platform for miRNAs from cancer cells by using a PNA-DNA2 triple-helix molecular switch (THMS) and DiSC2 (5). This sensing platform can detect miRNA-21 specifically with a detection limit of 0.18 nM, which is comparable to that of the THMS-mediated fluorescence sensing platform. Moreover, this colorimetric platform does not involve any chemical modification or enzymatic signal amplification, which boosts its applicability and availability at the point of care in resource-limited settings. The universality of this approach can be simply achieved by altering the sequences of the probe DNA for specific targets.
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Affiliation(s)
- Mengjia Xu
- Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Pan Fu
- Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Shu Xing
- Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
| | - Yang Zhao
- College of Science and Technology, Ningbo University, Ningbo, 315212, P. R. China
| | - Chao Zhao
- Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China
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DNA Microsystems for Biodiagnosis. MICROMACHINES 2020; 11:mi11040445. [PMID: 32340280 PMCID: PMC7231314 DOI: 10.3390/mi11040445] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 04/21/2020] [Accepted: 04/22/2020] [Indexed: 12/16/2022]
Abstract
Researchers are continuously making progress towards diagnosis and treatment of numerous diseases. However, there are still major issues that are presenting many challenges for current medical diagnosis. On the other hand, DNA nanotechnology has evolved significantly over the last three decades and is highly interdisciplinary. With many potential technologies derived from the field, it is natural to begin exploring and incorporating its knowledge to develop DNA microsystems for biodiagnosis in order to help address current obstacles, such as disease detection and drug resistance. Here, current challenges in disease detection are presented along with standard methods for diagnosis. Then, a brief overview of DNA nanotechnology is introduced along with its main attractive features for constructing biodiagnostic microsystems. Lastly, suggested DNA-based microsystems are discussed through proof-of-concept demonstrations with improvement strategies for standard diagnostic approaches.
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DNA framework-engineered electrochemical biosensors. SCIENCE CHINA-LIFE SCIENCES 2020; 63:1130-1141. [PMID: 32253588 DOI: 10.1007/s11427-019-1621-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Accepted: 01/04/2020] [Indexed: 02/07/2023]
Abstract
Self-assembled DNA nanostructures have shown remarkable potential in the engineering of biosensing interfaces, which can improve the performance of various biosensors. In particular, by exploiting the structural rigidity and programmability of the framework nucleic acids with high precision, molecular recognition on the electrochemical biosensing interface has been significantly enhanced, leading to the development of highly sensitive and specific biosensors for nucleic acids, small molecules, proteins, and cells. In this review, we summarize recent advances in DNA framework-engineered biosensing interfaces and the application of corresponding electrochemical biosensors.
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38
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Nucleic acid amplification free biosensors for pathogen detection. Biosens Bioelectron 2020; 153:112049. [DOI: 10.1016/j.bios.2020.112049] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 01/21/2020] [Accepted: 01/23/2020] [Indexed: 12/11/2022]
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Wen Y, Li L, Li J, Lin M, Liu G, Liang W, Xu L, Li Y, Zuo X, Ren S, Zhu Y. DNA Framework-Mediated Electrochemical Biosensing Platform for Amplification-Free MicroRNA Analysis. Anal Chem 2020; 92:4498-4503. [DOI: 10.1021/acs.analchem.9b05616] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Yanli Wen
- Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai 201203, China
| | - Lanying Li
- Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai 201203, China
| | - Jiang Li
- Laboratory of Physical Biology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
- Shanghai Synchrotron Radiation Facility, Zhangjiang Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
| | - Meihua Lin
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, and School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Gang Liu
- Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai 201203, China
| | - Wen Liang
- Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai 201203, China
| | - Li Xu
- Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai 201203, China
| | - Yan Li
- Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai 201203, China
| | - Xiaolei Zuo
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, and School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Suzhen Ren
- Division of Chemistry and Ionizing Radiation Measurement Technology, Shanghai Institute of Measurement and Testing Technology, Shanghai 201203, China
| | - Ying Zhu
- Laboratory of Physical Biology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
- Shanghai Synchrotron Radiation Facility, Zhangjiang Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
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40
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A double signal amplification electrochemical MicroRNA biosensor based on catalytic hairpin assembly and bisferrocene label. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2019.113816] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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41
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Lee T, Mohammadniaei M, Zhang H, Yoon J, Choi HK, Guo S, Guo P, Choi J. Single Functionalized pRNA/Gold Nanoparticle for Ultrasensitive MicroRNA Detection Using Electrochemical Surface-Enhanced Raman Spectroscopy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:1902477. [PMID: 32042566 PMCID: PMC7001639 DOI: 10.1002/advs.201902477] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/14/2019] [Indexed: 05/07/2023]
Abstract
Controlling the selective one-to-one conjugation of RNA with nanoparticles is vital for future applications of RNA nanotechnology. Here, the monofunctionalization of a gold nanoparticle (AuNP) with a single copy of RNA is developed for ultrasensitive microRNA-155 quantification using electrochemical surface-enhanced Raman spectroscopy (EC-SERS). A single AuNP is conjugated with one copy of the packaging RNA (pRNA) three-way junction (RNA 3WJ). pRNA 3WJ containing one strand of the 3WJ is connected to a Sephadex G100 aptamer and a biotin group at each arm (SEPapt/3WJ/Bio) which is then immobilized to the Sephadex G100 resin. The resulting complex is connected to streptavidin-coated AuNP (STV/AuNP). Next, the STV/AuNP-Bio/3WJa is purified and reassembled with another 3WJ to form a single-labeled 3WJ/AuNP. Later, the monoconjugate is immobilized onto the AuNP-electrodeposited indium tin oxide coated substrate for detecting microRNA-155 based on EC-SERS. Application of an optimum potential of +0.2 V results in extraordinary amplification (≈7 times) of methylene blue (reporter) SERS signal compared to the normal SERS signal. As a result, a highly sensitive detection of 60 × 10-18 m microRNA-155 in 1 h in serum based on monoconjugated AuNP/RNA is achieved. Thus, the monofunctionalization of RNA onto nanoparticle can provide a new methodology for biosensor construction and diverse RNA nanotechnology development.
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Affiliation(s)
- Taek Lee
- College of PharmacyCollege of Medicine/Department of Physiology and Cell Biology/Dorothy M. Davis Heart and Lung Research InstituteOhio State UniversityColumbusOH43210USA
- Department of Chemical and Biomolecular EngineeringSogang University35 Baekbeom‐ro, Mapo‐guSeoul121‐742Republic of Korea
- Department of Chemical EngineeringKwangwoon University20 Kwangwoon‐Ro, Nowon‐GuSeoul01897Republic of Korea
| | - Mohsen Mohammadniaei
- Department of Chemical and Biomolecular EngineeringSogang University35 Baekbeom‐ro, Mapo‐guSeoul121‐742Republic of Korea
| | - Hui Zhang
- College of PharmacyCollege of Medicine/Department of Physiology and Cell Biology/Dorothy M. Davis Heart and Lung Research InstituteOhio State UniversityColumbusOH43210USA
| | - Jinho Yoon
- Department of Chemical and Biomolecular EngineeringSogang University35 Baekbeom‐ro, Mapo‐guSeoul121‐742Republic of Korea
| | - Hye Kyu Choi
- Department of Chemical and Biomolecular EngineeringSogang University35 Baekbeom‐ro, Mapo‐guSeoul121‐742Republic of Korea
| | - Sijin Guo
- College of PharmacyCollege of Medicine/Department of Physiology and Cell Biology/Dorothy M. Davis Heart and Lung Research InstituteOhio State UniversityColumbusOH43210USA
| | - Peixuan Guo
- College of PharmacyCollege of Medicine/Department of Physiology and Cell Biology/Dorothy M. Davis Heart and Lung Research InstituteOhio State UniversityColumbusOH43210USA
| | - Jeong‐Woo Choi
- Department of Chemical and Biomolecular EngineeringSogang University35 Baekbeom‐ro, Mapo‐guSeoul121‐742Republic of Korea
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Xiao M, Gao L, Chandrasekaran AR, Zhao J, Tang Q, Qu Z, Wang F, Li L, Yang Y, Zhang X, Wan Y, Pei H. Bio-functional G-molecular hydrogels for accelerated wound healing. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 105:110067. [DOI: 10.1016/j.msec.2019.110067] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 08/08/2019] [Accepted: 08/08/2019] [Indexed: 01/14/2023]
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Chandrasekaran AR, Punnoose JA, Zhou L, Dey P, Dey BK, Halvorsen K. DNA nanotechnology approaches for microRNA detection and diagnosis. Nucleic Acids Res 2019; 47:10489-10505. [PMID: 31287874 PMCID: PMC6847506 DOI: 10.1093/nar/gkz580] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 06/19/2019] [Accepted: 06/24/2019] [Indexed: 12/16/2022] Open
Abstract
MicroRNAs are involved in the crucial processes of development and diseases and have emerged as a new class of biomarkers. The field of DNA nanotechnology has shown great promise in the creation of novel microRNA biosensors that have utility in lab-based biosensing and potential for disease diagnostics. In this Survey and Summary, we explore and review DNA nanotechnology approaches for microRNA detection, surveying the literature for microRNA detection in three main areas of DNA nanostructures: DNA tetrahedra, DNA origami, and DNA devices and motifs. We take a critical look at the reviewed approaches, advantages and disadvantages of these methods in general, and a critical comparison of specific approaches. We conclude with a brief outlook on the future of DNA nanotechnology in biosensing for microRNA and beyond.
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Affiliation(s)
| | | | - Lifeng Zhou
- The RNA Institute, University at Albany, State University of New York, NY 12222, USA
| | - Paromita Dey
- The RNA Institute, University at Albany, State University of New York, NY 12222, USA
| | - Bijan K Dey
- The RNA Institute, University at Albany, State University of New York, NY 12222, USA
- Department of Biological Sciences, University at Albany, State University of New York, NY 12222, USA
| | - Ken Halvorsen
- The RNA Institute, University at Albany, State University of New York, NY 12222, USA
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Carter MLJ, Rusling DA, Gurr S, Brown T, Fox KR. Stability of the different arms of a DNA tetrahedron and its interaction with a minor groove ligand. Biophys Chem 2019; 256:106270. [PMID: 31706136 DOI: 10.1016/j.bpc.2019.106270] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 10/02/2019] [Accepted: 10/02/2019] [Indexed: 11/27/2022]
Abstract
DNA strands can be designed to assemble into stable three-dimensional structures, based on Watson-Crick base pairing rules. The simplest of these is the DNA tetrahedron that is composed of four oligonucleotides. We have re-designed the sequence of a DNA tetrahedron so that it contains a single (AATT) binding site for the minor groove binding ligand Hoechst 33258. We examined the stability of this structure by placing fluorescent groups within each of its edges and have shown that all the edges melt at the same temperature in the absence of the ligand. The minor groove ligand still binds to its recognition sequence within the tetrahedron and increases the melting temperature of the folded complex. This ligand-induced stabilisation is propagated into the adjacent helical arms and the tetrahedron melts as a single entity in a cooperative fashion.
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Affiliation(s)
- Michael L J Carter
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, United Kingdom
| | - David A Rusling
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, United Kingdom
| | - Steven Gurr
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, United Kingdom
| | - Tom Brown
- Department of Chemistry, University of Oxford, Oxford, OX1 3TA, United Kingdom
| | - Keith R Fox
- School of Biological Sciences, University of Southampton, Southampton, SO17 1BJ, United Kingdom.
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46
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Das J, Kelley SO. High-Performance Nucleic Acid Sensors for Liquid Biopsy Applications. Angew Chem Int Ed Engl 2019; 59:2554-2564. [PMID: 31332937 DOI: 10.1002/anie.201905005] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 07/21/2019] [Indexed: 12/18/2022]
Abstract
Circulating tumour nucleic acids (ctNAs) are released from tumours cells and can be detected in blood samples, providing a way to track tumors without requiring a tissue sample. This "liquid biopsy" approach has the potential to replace invasive, painful, and costly tissue biopsies in cancer diagnosis and management. However, a very sensitive and specific approach is required to detect relatively low amounts of mutant sequences linked to cancer because they are masked by the high levels of wild-type sequences. This review discusses high-performance nucleic acid biosensors for ctNA analysis in patient samples. We compare sequencing- and amplification-based methods to next-generation sensors for ctDNA and ctRNA (including microRNA) profiling, such as electrochemical methods, surface plasmon resonance, Raman spectroscopy, and microfluidics and dielectrophoresis-based assays. We present an overview of the analytical sensitivity and accuracy of these methods as well as the biological and technical challenges they present.
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Affiliation(s)
- Jagotamoy Das
- Department of Pharmaceutical Sciences, Department of Chemistry, University of Toronto, Toronto, ON, M5S 3M2, Canada
| | - Shana O Kelley
- Department of Pharmaceutical Sciences, Department of Chemistry, University of Toronto, Toronto, ON, M5S 3M2, Canada
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47
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48
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Soda N, Rehm BHA, Sonar P, Nguyen NT, Shiddiky MJA. Advanced liquid biopsy technologies for circulating biomarker detection. J Mater Chem B 2019; 7:6670-6704. [PMID: 31646316 DOI: 10.1039/c9tb01490j] [Citation(s) in RCA: 100] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Liquid biopsy is a new diagnostic concept that provides important information for monitoring and identifying tumor genomes in body fluid samples. Detection of tumor origin biomolecules like circulating tumor cells (CTCs), circulating tumor specific nucleic acids (circulating tumor DNA (ctDNA), circulating tumor RNA (ctRNA), microRNAs (miRNAs), long non-coding RNAs (lnRNAs)), exosomes, autoantibodies in blood, saliva, stool, urine, etc. enables cancer screening, early stage diagnosis and evaluation of therapy response through minimally invasive means. From reliance on painful and hazardous tissue biopsies or imaging depending on sophisticated equipment, cancer management schemes are witnessing a rapid evolution towards minimally invasive yet highly sensitive liquid biopsy-based tools. Clinical application of liquid biopsy is already paving the way for precision theranostics and personalized medicine. This is achieved especially by enabling repeated sampling, which in turn provides a more comprehensive molecular profile of tumors. On the other hand, integration with novel miniaturized platforms, engineered nanomaterials, as well as electrochemical detection has led to the development of low-cost and simple platforms suited for point-of-care applications. Herein, we provide a comprehensive overview of the biogenesis, significance and potential role of four widely known biomarkers (CTCs, ctDNA, miRNA and exosomes) in cancer diagnostics and therapeutics. Furthermore, we provide a detailed discussion of the inherent biological and technical challenges associated with currently available methods and the possible pathways to overcome these challenges. The recent advances in the application of a wide range of nanomaterials in detecting these biomarkers are also highlighted.
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Affiliation(s)
- Narshone Soda
- School of Environment and Science, Griffith University, Nathan Campus, QLD 4111, Australia. and Queensland Micro- and Nanotechnology Centre (QMNC), Griffith University, Nathan Campus, QLD 4111, Australia
| | - Bernd H A Rehm
- Centre for Cell Factories and Biopolymers (CCFB), Griffith Institute for Drug Discovery (GRIDD), Griffith University, Nathan, QLD 4111, Australia
| | - Prashant Sonar
- School of Chemistry, Physics and Mechanical Engineering, Molecular Design and Synthesis, Queensland University of Technology (QUT), Brisbane, Australia
| | - Nam-Trung Nguyen
- Queensland Micro- and Nanotechnology Centre (QMNC), Griffith University, Nathan Campus, QLD 4111, Australia
| | - Muhammad J A Shiddiky
- School of Environment and Science, Griffith University, Nathan Campus, QLD 4111, Australia. and Queensland Micro- and Nanotechnology Centre (QMNC), Griffith University, Nathan Campus, QLD 4111, Australia
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49
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Liu L, Lu H, Shi R, Peng XX, Xiang Q, Wang B, Wan QQ, Sun Y, Yang F, Zhang GJ. Synergy of Peptide-Nucleic Acid and Spherical Nucleic Acid Enabled Quantitative and Specific Detection of Tumor Exosomal MicroRNA. Anal Chem 2019; 91:13198-13205. [PMID: 31553171 DOI: 10.1021/acs.analchem.9b03622] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Exosomal microRNAs are essential in intercellular communications and disease progression, yet it remains challenging to quantify the expression level due to their small size and low abundance in blood. Here, we report a "sandwich" electrochemical exosomal microRNA sensor (SEEmiR) to detect target microRNA with high sensitivity and specificity. In SEEmiR, neutrally charged peptide nucleic acid (PNA) enables kinetically favorable hybridization with the microRNA target relative to negatively charged DNA, particularly in a short sequence (10 nt). More importantly, this property allows PNA to cooperate with a spherical nucleic acid (SNA) nanoprobe that heavily loads with oligonucleotide-adsorbed electroactive tags to enhance detection sensitivity and specificity. Such a PNA-microRNA-SNA sandwich construct is able to minimize the background noise via PNA, thereby maximizing the SNA-mediated signal amplification in electrostatic adsorption-based SEEmiR. The synergy between PNA and SNA makes the SEEmiR sensor able to achieve a broad dynamic range (from 100 aM to 1 nM) with a detection limit down to 49 aM (2 orders of magnitude lower than that without SNA) and capable of distinguishing a single-base mismatch. This ultrasensitive sensor provides label-free and enzyme-independent microRNA detection in cell lysates, unpurified tumor exosomal lysates, cancer patients' blood, and accurately differentiates the patients with breast cancer from the healthy ones, suggesting its potential as a promising tool in cancer diagnostics.
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Affiliation(s)
| | | | | | | | - Qingwei Xiang
- Geriatrics Department , Hubei Provincial Hospital of Traditional Chinese Medicine , Wuhan 430061 , China
| | | | - Qiang-Qiang Wan
- Clinical Laboratory , Wuhan No. 1 Hospital , Wuhan 430022 , China
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Xiao M, Lai W, Man T, Chang B, Li L, Chandrasekaran AR, Pei H. Rationally Engineered Nucleic Acid Architectures for Biosensing Applications. Chem Rev 2019; 119:11631-11717. [DOI: 10.1021/acs.chemrev.9b00121] [Citation(s) in RCA: 147] [Impact Index Per Article: 29.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Mingshu Xiao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, P. R. China
| | - Wei Lai
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, P. R. China
| | - Tiantian Man
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, P. R. China
| | - Binbin Chang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, P. R. China
| | - Li Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, P. R. China
| | - Arun Richard Chandrasekaran
- The RNA Institute, University at Albany, State University of New York, Albany, New York 12222, United States
| | - Hao Pei
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai 200241, P. R. China
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