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Wang Z, Yuan Z, Liu M, Liu Z, Leng P, Ding S, Guo J, Zhang J. Soft interface confined DNA walker for sensitive and specific detection of SARS-CoV-2 variants. Talanta 2024; 274:126009. [PMID: 38579420 DOI: 10.1016/j.talanta.2024.126009] [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: 01/04/2024] [Revised: 03/21/2024] [Accepted: 03/27/2024] [Indexed: 04/07/2024]
Abstract
Nucleic acid detection is conducive to preventing the spread of COVID-19 pandemic. In this work, we successfully designed a soft interface confined DNA walker by anchoring hairpin reporter probes on cell membranes for the detection of SARS-CoV-2 variants. In the presence of target RNA, the cyclic self-assembly reaction occurred between hairpin probes H1 and H2, and the continuous walking of target RNA on cell membranes led to the gradual amplification of fluorescence signal. The enrichment of H1 on membranes and the unique fluidity of membranes promoted the collision efficiency between DNA strands in the reaction process, endowing this method with high sensitivity. In addition, the double-blind test of synthetic RNA in 5% normal human serum demonstrated the good stability and anti-interference in complex environment of this method, which exhibited great potential in clinical diagnostics.
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Affiliation(s)
- Zhangmin Wang
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Zuowei Yuan
- Department of Laboratory Medicine, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, 400021, China
| | - Min Liu
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Zhidong Liu
- Department of Laboratory Medicine, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, 400021, China
| | - Ping Leng
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Shijia Ding
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, 400016, China
| | - Jinlin Guo
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Department of Laboratory Medicine, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, 400021, China
| | - Juan Zhang
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Department of Laboratory Medicine, Chongqing Hospital of Traditional Chinese Medicine, Chongqing, 400021, China; Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, Chongqing, 400021, China.
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2
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Li L, Gopinath SC, Lakshmipriya T, Subramaniam S, Anbu P. Zeolite-iron oxide integrated interdigitated electrode sensor for diagnosing cervical cancer. Heliyon 2024; 10:e31851. [PMID: 38845893 PMCID: PMC11154609 DOI: 10.1016/j.heliyon.2024.e31851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 05/22/2024] [Accepted: 05/22/2024] [Indexed: 06/09/2024] Open
Abstract
Cervical cancer is caused by changes in the cervix that lead to precancerous cells and eventually progress to cancer. Human papillomavirus (HPV) infections are the primary cause of cervical cancer. Early detection of HPV is crucial in preventing cervical cancer, and regular screening for HPV infection can identify cell changes before they develop into cancer. While Pap smear tests are reliable for cervical cancer screening, they are critical, expensive, and labor-intensive. Therefore, researchers are focusing on identifying blood-based biomarkers using biosensors for cervical cancer screening. HPV strains 16, 45, and 18 are common culprits in cervical cancer. This study aimed to develop an HPV-16 DNA biosensor on a zeolite-iron oxide (zeolite-IO) modified interdigitated electrode (IDE) sensor. The DNA probe was immobilized on the IDE through amine-modified zeolite-IO, enhancing the hybridization of the target and DNA probe. The detection limit of the DNA-DNA duplex was found to be 7.5 pM with an R2 value of 0.9868. Additionally, control experiments with single and triple mismatched sequences showed no increase in current responses, and the identification of target DNA in a serum-spiked sample indicated specific and selective target identification.
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Affiliation(s)
- Ling Li
- Obstetrics and Gynecology, Xi'an Forth Hospital, Xi'an, 710004, China
| | - Subash C.B. Gopinath
- Faculty of Chemical Engineering & Technology, Universiti Malaysia Perlis (UniMAP), 02600, Arau, Perlis, Malaysia
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), 01000, Kangar, Perlis, Malaysia
- Micro System Technology, Centre of Excellence (CoE), Universiti Malaysia Perlis (UniMAP), Pauh Campus, 02600, Arau, Perlis, Malaysia
- Centre for Chemical Biology, Universiti Sains Malaysia, Bayan Lepas, 11900, Penang, Malaysia
- Center for Global Health Research, Saveetha Medical College & Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai, 602 105, Tamil Nadu, India
| | - Thangavel Lakshmipriya
- Center for Global Health Research, Saveetha Medical College & Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai, 602 105, Tamil Nadu, India
| | - Sreeramanan Subramaniam
- Faculty of Chemical Engineering & Technology, Universiti Malaysia Perlis (UniMAP), 02600, Arau, Perlis, Malaysia
- Institute of Nano Electronic Engineering, Universiti Malaysia Perlis (UniMAP), 01000, Kangar, Perlis, Malaysia
- Centre for Chemical Biology, Universiti Sains Malaysia, Bayan Lepas, 11900, Penang, Malaysia
- School of Biological Sciences, Universiti Sains Malaysia, Georgetown, 11800, Penang, Malaysia
- Department of Biology, Faculty of Science and Technology, Universitas Airlangga, Surabaya, 60115, Indonesia
| | - Periasamy Anbu
- Center for Global Health Research, Saveetha Medical College & Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Thandalam, Chennai, 602 105, Tamil Nadu, India
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3
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Zhu F, Zhao Q. CRISPR/Cas12a linked sandwich aptamer assay for sensitive detection of thrombin. Anal Chim Acta 2024; 1287:342106. [PMID: 38182384 DOI: 10.1016/j.aca.2023.342106] [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: 08/25/2023] [Revised: 12/01/2023] [Accepted: 12/02/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND Thrombin is a serine protease and hemostasis regulator with multiple functions and recognized as an important biomarker for diseases, and sensitive detection of thrombin is of significance for clinical diagnostics and disease monitoring. Recently, the target-triggered nonspecific single-stranded deoxyribonuclease activity of CRISPR/Cas system is discovered, making it become a powerful tool in assay developments due to the ease of signal amplification. In the short period of development, many CRISPR based nucleic acid detection methods have already played a critical role in clinical diagnostics. However, the application of CRISPR/Cas system for protein biomarkers remains limited. RESULTS Here we describe a CRISPR/Cas12a linked sandwich aptamer assay for detection of thrombin, which was based on the formation of a sandwich complex of target by using a capture aptamer or antibody coated on the microplate and a well-designed detection DNA strand. The detection DNA strand contained an anti-thrombin aptamer and an active DNA of Cas12a, thus the sandwich complex was labeled with the active DNA. The active DNA triggered activity of Cas12a in indiscriminately cleaving fluorophore and quencher labeled DNA reporters, causing significant fluorescence increase. Our method enabled sensitive detection of thrombin down to 10 pM, and it showed high selectivity for thrombin. The assay exhibited good performance in diluted serum samples, demonstrating the applicability for thrombin analysis in the real media. SIGNIFICANCE This assay combines the merits of high affinity of aptamer, trans-cleavage activity of Cas12a, high selectivity of sandwich format analysis, and high-throughput detection of microplate assay, and it shows promise in applications.
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Affiliation(s)
- Fengxi Zhu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qiang Zhao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China; University of Chinese Academy of Sciences, Beijing, 100049, China; School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310024, China.
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4
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Ma H, Chen L, Lv J, Yan X, Li Y, Xu G. The rate-limiting procedure of 3D DNA walkers and their applications in tandem technology. Chem Commun (Camb) 2023; 59:10330-10342. [PMID: 37615403 DOI: 10.1039/d3cc02597g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Abstract
DNA walkers, artificial dynamic DNA nanomachines, can mimic actin to move rapidly along a predefined nucleic acid track. They can generally be classified as one- (1D), two- (2D), and three-dimensional (3D) DNA walkers. In particular, 3D DNA walkers demonstrate amazing sustainable walking ability, strong enrichment ability, and fantastic signal amplification ability. In light of these, 3D DNA walkers have been widely used in fields such as biosensors, bioanalysis and cell imaging. Most notably, the strong compatibility of 3D DNA walkers allows their integration with a range of amplification strategies, effectively enhancing signal transduction and amplifying biosensor sensing signals. Herein, we first systematically expound the walking principle of the 3D walkers in this review. Then, by presenting representative examples, the research direction of 3D walkers in recent years is discussed. Furthermore, we also categorize and evaluate diverse tandem signal amplification strategies in 3D walkers. Finally, the challenges and development trends of 3D DNA walkers in the emerging field of analysis are carefully discussed. It is believed that this work can provide new ideas for researchers to quickly understand 3D DNA walkers and their applications in diverse biosensors.
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Affiliation(s)
- Hongmin Ma
- Department of Clinical Laboratory, The Affiliated Zhangjiagang Hospital of Soochow University, Zhangjiagang 215600, China.
| | - Long Chen
- Department of Clinical Laboratory, The Affiliated Zhangjiagang Hospital of Soochow University, Zhangjiagang 215600, China.
| | - Jingnan Lv
- The Second Affiliated People's Hospital of Soochow University, Suzhou 215008, China
| | - Xiaoyu Yan
- Guang'an Vocational & Technical College, Sichuan 638000, China
| | - Yonghao Li
- Department of Clinical Laboratory, The Affiliated Zhangjiagang Hospital of Soochow University, Zhangjiagang 215600, China.
| | - Guoxin Xu
- Department of Clinical Laboratory, The Affiliated Zhangjiagang Hospital of Soochow University, Zhangjiagang 215600, China.
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Abstract
miRNAs in circulating blood have been regarded as promising biomarkers for the diagnosis of a series of diseases. Development of ultrasensitive, reliable, and convenient methods for miRNA assay is of great significance. Herein, we present a novel electrochemical sensing strategy. The assembly of DNA walker strands on membrane-coated nanomaterials, target-mediated recycling activation, and electrochemical signal enrichment are integrated. Multipedal DNA walking with magnetic cores and a catalytic hairpin assembly at the electrode lead to the increase of electrochemical response, which can be used to probe initial target miRNA. This DNA walking nanomachine shows enhanced signal amplification efficiency and facile magnetic separation steps. It enables rapid analysis of miRNA at the attomole level and performs satisfactorily in samples of human circulating blood. Given the powerful sensitivity, facile operation, and excellent specificity, this magnetic multipedal DNA walker provides a promising way to determine miRNA level for biomedical applications.
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Affiliation(s)
- Peng Miao
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, People's Republic of China
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6
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Guan Y, Wang FP, Chen ZX, Yang YH, Yang T, Hu R. Ratiometrically homogeneous electrochemical biosensor based on the signal amplified strategy of dual DNA nanomachines for microRNA analysis. Talanta 2023; 254:124191. [PMID: 36525866 DOI: 10.1016/j.talanta.2022.124191] [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: 10/17/2022] [Revised: 11/24/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022]
Abstract
Precise and sensitive microRNA (miRNA) analysis is very significant for early disease diagnosis. In this work, a dual DNA nanomachines-based homogeneous electrochemical biosensor was constructed for the sensitively ratiometric detection of miRNA by a nicking enzyme (Nt.AlwI)-assisted cycling signal amplification strategy. The Co-based metal organic frameworks (Co-MOFs) and toluidine blue (TB) were employed as signal probes and internal reference probes, respectively. The introduction of internal reference probes can actually calibrate the interferent factors of the analytical system to improve the stability in detection procedure. In addition, with the help of the magnetic separation technique, the homogeneous electrochemical biosensor provides a more simpler way for the development of immobilization-free electrochemical miRNA biosensors, avoiding the complex modification procedure of traditional electrochemical biosensing interfaces. Consequently, taking advantages of this proposed dual DNA nanomachines-based homogeneous electrochemical biosensor, the highly sensitive and selective detection of miRNA-141 as model could be accomplished in ranging from 1 fM to 10 nM with detection limit of 0.46 fM. This strategy exhited good sensitivity and stability to integrate the nicking enzyme-powered dual DNA nanomachines with the ratiometric electrochemical output modes, which open new opportunities for the sensitive and reliable diagnosis of miRNA-related diseases.
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Affiliation(s)
- Yan Guan
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, Yunnan, PR China
| | - Fu Peng Wang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, Yunnan, PR China
| | - Zhi Xiong Chen
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, Yunnan, PR China
| | - Yun Hui Yang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, Yunnan, PR China
| | - Tong Yang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, Yunnan, PR China.
| | - Rong Hu
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, Yunnan, PR China.
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7
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Zhang H, Wang Y, Lin Y, Chu W, Luo Z, Zhao M, Hu J, Miao X, He F. A catalytic hairpin assembly-based Förster resonance energy transfer sensor for ratiometric detection of ochratoxin A in food samples. Anal Bioanal Chem 2023; 415:867-874. [PMID: 36564526 DOI: 10.1007/s00216-022-04479-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/04/2022] [Accepted: 12/07/2022] [Indexed: 12/25/2022]
Abstract
Ochratoxin A (OTA) poses severe risks to the environment and human health, making the development of an accurate and sensitive analytical method for OTA detection essential. In this study, a catalytic hairpin assembly (CHA)-based Förster resonance energy transfer (FRET) aptasensor was developed to detect OTA using carbon quantum dots (CDs) and 6-carboxy-fluorescein (FAM) as dual signal readout. In the presence of OTA, the aptamer specifically interacted with OTA to release the helper DNA (HP), which could open the hairpin structure of FAM-labeled hairpin DNA 1 (H1-FAM) modified on the surface of gold nanoparticles (AuNPs). CHA between H1-FAM and hairpin H2 labeled with CDs (H2-CDs) can release HP for the next cycle, resulting in the occurrence of FRET with CDs as the energy donor and FAM as the energy acceptor. According to the ratio of FCDs/FFAM, the proposed aptasensor showed a wide linear range from 5.0 pg/mL to 3.0 ng/mL and a low detection limit of 1.5 pg/mL for OTA detection. Moreover, satisfactory results were obtained for OTA detection in rice, suggesting the potential application of this sensor in food safety analysis.
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Affiliation(s)
- Hong Zhang
- College of Tobacco Science, Henan Agricultural University, Zhengzhou, Henan, 450002, People's Republic of China
| | - Yuli Wang
- College of Tobacco Science, Henan Agricultural University, Zhengzhou, Henan, 450002, People's Republic of China
| | - Yingtong Lin
- School of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu, 221116, People's Republic of China
| | - Wenjuan Chu
- Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou, Henan, 450000, People's Republic of China
| | - Zhen Luo
- Technology Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou, Henan, 450000, People's Republic of China
| | - Mingqin Zhao
- College of Tobacco Science, Henan Agricultural University, Zhengzhou, Henan, 450002, People's Republic of China
| | - Jiandong Hu
- Henan International Joint Laboratory of Laser Technology in Agriculture Sciences, Zhengzhou, Henan, 450002, People's Republic of China
| | - Xiangmin Miao
- School of Life Science, Jiangsu Normal University, Xuzhou, Jiangsu, 221116, People's Republic of China.
| | - Fan He
- College of Tobacco Science, Henan Agricultural University, Zhengzhou, Henan, 450002, People's Republic of China.
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8
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DNA walker for signal amplification in living cells. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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9
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Toehold-mediated biosensors: Types, mechanisms and biosensing strategies. Biosens Bioelectron 2022; 220:114922. [DOI: 10.1016/j.bios.2022.114922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/13/2022] [Accepted: 11/15/2022] [Indexed: 11/18/2022]
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10
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Pan MC, Gao MH, Yang X, Liang WB, Yuan R, Zhuo Y. Wireframe Orbit-Accelerated Bipedal DNA Walker for Electrochemiluminescence Detection of Methyltransferase Activity. ACS Sens 2022; 7:2475-2482. [PMID: 35976809 DOI: 10.1021/acssensors.2c01262] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In spite of the DNA walkers executing the signal accumulation task in the process of moving along the predetermined paths, the enhancement of walking dynamics and walking path controllability are still challenging due to the unprogrammed arrangements of DNA orbits. Taking these dilemmas into account, a bipedal DNA walker was designed skillfully by the virtue of wireframe orbits assembled by DNA cubes in order, which improved the efficiency and the continuity of walking. It could be attributed to the fact that both the contact chance and the dynamic interaction between walking strands and designated orbits were beneficial to minimize the possibility of derailment and improve the accumulation of signal. In addition, the hollow titanium dioxide nanospheres coated with rubrene (Rub@TiO2 NSs) were prepared by the etching of inner silicon dioxide nanoparticles (SiO2 NPs) to regulate the distribution pattern of rubrene (Rub) molecules and expose more electrochemically active sites for high-efficient electrochemiluminescence (ECL). Benefiting by the pore confinement-enhanced ECL, the electron and mass transfer was significantly accelerated because of the hollow structure of Rub@TiO2 NSs. Subsequently, endogenous dissolved oxygen as the coreactant and palladium nanoparticles (Pd NPs) as the coreaction accelerator were employed to constitute a ternary ECL system with explosive signal response. Combining with this ECL platform, the bipedal walker activated by the target can autonomously and directionally move on the DNA wireframe orbits to release the quenching probes continuously. In this way, the biosensor displayed a low detection limit (2.30 × 10-8 U·mL-1) and a wide linear range (1.0 × 10-7 to 1.0 × 10-1 U·mL-1) for the sensitive detection of Dam methyltransferase (Dam MTase) activity. Therefore, a novel strategy for the accurate quantification of epigenetic targets was developed by virtue of improving the walking dynamics of DNA walker and amplifying the ECL of Rub molecules.
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Affiliation(s)
- Mei-Chen Pan
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Mao-Hua Gao
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Xia Yang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Wen-Bin Liang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Ruo Yuan
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Ying Zhuo
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
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11
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Tian R, Yin B, Liu D, Liu Q, Chen S, Li M, Wang L, Zhou S, Wang D. Highly sensitive α-hemolysin nanopore detection of MUC1 based on 3D DNA walker. Anal Chim Acta 2022; 1223:340193. [DOI: 10.1016/j.aca.2022.340193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 07/10/2022] [Accepted: 07/19/2022] [Indexed: 11/26/2022]
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12
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Song L, Zhuge Y, Zuo X, Li M, Wang F. DNA Walkers for Biosensing Development. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2200327. [PMID: 35460209 PMCID: PMC9366574 DOI: 10.1002/advs.202200327] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/07/2022] [Indexed: 05/07/2023]
Abstract
The ability to design nanostructures with arbitrary shapes and controllable motions has made DNA nanomaterials used widely to construct diverse nanomachines with various structures and functions. The DNA nanostructures exhibit excellent properties, including programmability, stability, biocompatibility, and can be modified with different functional groups. Among these nanoscale architectures, DNA walker is one of the most popular nanodevices with ingenious design and flexible function. In the past several years, DNA walkers have made amazing progress ranging from structural design to biological applications including constructing biosensors for the detection of cancer-associated biomarkers. In this review, the key driving forces of DNA walkers are first summarized. Then, the DNA walkers with different numbers of legs are introduced. Furthermore, the biosensing applications of DNA walkers including the detection- of nucleic acids, proteins, ions, and bacteria are summarized. Finally, the new frontiers and opportunities for developing DNA walker-based biosensors are discussed.
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Affiliation(s)
- Lu Song
- Department of CardiologyShanghai General HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200800China
- Institute of Molecular MedicineShanghai Key Laboratory for Nucleic Acid Chemistry and NanomedicineSchool of MedicineShanghai Jiao Tong UniversityShanghai200127China
| | - Ying Zhuge
- Department of CardiologyShanghai General HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200800China
| | - Xiaolei Zuo
- Institute of Molecular MedicineShanghai Key Laboratory for Nucleic Acid Chemistry and NanomedicineSchool of MedicineShanghai Jiao Tong UniversityShanghai200127China
| | - Min Li
- Institute of Molecular MedicineShanghai Key Laboratory for Nucleic Acid Chemistry and NanomedicineSchool of MedicineShanghai Jiao Tong UniversityShanghai200127China
| | - Fang Wang
- Department of CardiologyShanghai General HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200800China
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13
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Wang D, Zhou H, Shi Y, Sun W. A FEN 1-assisted swing arm DNA walker for electrochemical detection of ctDNA by target recycling cascade amplification. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:1922-1927. [PMID: 35527509 DOI: 10.1039/d2ay00364c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A flap endonuclease 1 (FEN 1)-assisted swing arm DNA walker was constructed to achieve the signal amplification detection of ctDNA. The MB-labeled hairpin DNA was designed as the track and a long swing-arm DNA strand as the capture probe. The introduction of ctDNA unlocked a helper hairpin DNA, which could be captured to form the DNA duplex walker with the capture probe, and also activated the catalyst hairpin assembly. The DNA duplex walker opened the hairpin track and formed a three-base overlapping DNA structure, which was recognized and cleaved by FEN 1. Driven by the FEN 1 and the high reaction temperature, the DNA walker was initiated to hybridize with the track DNA and release multiple MB-labeled flaps for signal amplification. Owing to the excellent amplification capacity of the target recycling-induced DNA walker and programmed catalysis hairpin assembly, the one-step biosensor showed a linear detection range from 1 fM to 100 pM with a detection limit of 0.33 fM. Moreover, the sensitive detection of ctDNA in serum samples was verified, suggesting its potential application in liquid biopsy for clinical diagnosis.
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Affiliation(s)
- Dongmei Wang
- School of Laboratory Medicine, Wannan Medical College, Wuhu, 241000, P. R. China.
| | - Huan Zhou
- School of Laboratory Medicine, Wannan Medical College, Wuhu, 241000, P. R. China.
| | - Yundong Shi
- School of Laboratory Medicine, Wannan Medical College, Wuhu, 241000, P. R. China.
| | - Wanjun Sun
- School of Laboratory Medicine, Wannan Medical College, Wuhu, 241000, P. R. China.
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14
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Zou C, Zhang Q, Zhou C, Cao W. A nonlinear neural network based on an analog DNA toehold mediated strand displacement reaction circuit. NANOSCALE 2022; 14:6585-6599. [PMID: 35421885 DOI: 10.1039/d1nr06861j] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The DNA toehold mediated strand displacement reaction is one of the semi-synthetic biology technologies for next-generation computers. In this article, we present a framework for a novel nonlinear neural network based on an engineered biochemical circuit, which is constructed by several reaction modules including catalysis, degradation and adjustment reaction modules. The proposed neural network possesses an architecture that is similar to that of an error back propagation neural network, and is built of an input layer, hidden layer and output layer. As a proof of concept, we utilize this nonlinear neural network based on an analog DNA toehold mediated strand displacement reaction circuit to learn the standard quadratic form function and analyze the robustness of the nonlinear neural network toward DNA strand concentration detection, DNA strand displacement reaction rate and noise. Unlike in error back propagation neural networks, the adaptive behavior of this DNA molecular neural network system endows it with supervised learning capability. This investigation will highlight the potential of analog DNA displacement reaction circuits for implementing artificial intelligence.
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Affiliation(s)
- Chengye Zou
- School of Mathematics and Statistics, Anyang Normal University, Anyang 455000, China
- Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024, China.
- Informedia Electronic Co., Ltd, Dalian University of Technology, Dalian 116024, China
| | - Qiang Zhang
- Faculty of Electronic Information and Electrical Engineering, Dalian University of Technology, Dalian 116024, China.
| | - Changjun Zhou
- College of Mathematics and Computer Science, Zhejiang Normal University, Jinhua 321000, China.
| | - Wenyu Cao
- Institution of Information Management and Information system, Dalian University of Technology, Dalian 116024, China
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15
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Hua Y, Ma J, Li D, Wang R. DNA-Based Biosensors for the Biochemical Analysis: A Review. BIOSENSORS 2022; 12:bios12030183. [PMID: 35323453 PMCID: PMC8945906 DOI: 10.3390/bios12030183] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 03/09/2022] [Accepted: 03/16/2022] [Indexed: 05/21/2023]
Abstract
In recent years, DNA-based biosensors have shown great potential as the candidate of the next generation biomedical detection device due to their robust chemical properties and customizable biosensing functions. Compared with the conventional biosensors, the DNA-based biosensors have advantages such as wider detection targets, more durable lifetime, and lower production cost. Additionally, the ingenious DNA structures can control the signal conduction near the biosensor surface, which could significantly improve the performance of biosensors. In order to show a big picture of the DNA biosensor's advantages, this article reviews the background knowledge and recent advances of DNA-based biosensors, including the functional DNA strands-based biosensors, DNA hybridization-based biosensors, and DNA templated biosensors. Then, the challenges and future directions of DNA-based biosensors are discussed and proposed.
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16
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Catalytic hairpin assembly as cascade nucleic acid circuits for fluorescent biosensor: design, evolution and application. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116582] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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17
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Shi K, Na N, Ouyang J. Label- and enzyme-free plasmon-enhanced single molecule fluorescence detection of HIV DNA fragments based on a catalytic hairpin assembly. Analyst 2022; 147:604-613. [PMID: 35103721 DOI: 10.1039/d1an02195h] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
We developed a label- and enzyme-free single molecule fluorescence counting strategy for HIV DNA fragments detection. The nucleic acid biosensor consists of a 5' terminal connected with a triangular gold nanoplate, 3' terminal rich in guanine hairpin probe (HP1) and a hairpin probe HP2 complementary to the partial sequence of HP1. Without the existence of the target DNA, the DNA fragment rich in the guanine region is locked in a hairpin structure and cannot form a G-quadruplex, hence NMM exhibits a low fluorescence signal. When the target DNA exists, the hairpin assembly will trigger a strand displacement amplification reaction that produces a great number of G-quadruplexes, and the fluorescence brightness of NMM will be enhanced. The plasmon resonance effect of the triangular gold nanoplates will further amplify the fluorescence signal. This method can analyze the target DNA with high sensitivity and selectivity, and the detection limit is 0.83 fM. The analysis of the HIV DNA fragments in diluted human serum samples was successfully achieved, and the recovery rate was 92%-104%. Because of its easy operation and low cost, it has broad development potential in biochemical analysis and clinical applications.
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Affiliation(s)
- Ke Shi
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, P.R. China.
| | - Na Na
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, P.R. China.
| | - Jin Ouyang
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, 100875, P.R. China.
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Huang W, Zhan D, Xie Y, Li X, Lai G. Dual CHA-mediated high-efficient formation of a tripedal DNA walker for constructing a novel proteinase-free dual-mode biosensing strategy. Biosens Bioelectron 2022; 197:113708. [PMID: 34763154 DOI: 10.1016/j.bios.2021.113708] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 09/30/2021] [Accepted: 10/12/2021] [Indexed: 12/14/2022]
Abstract
DNA walkers have been recognized as a type of powerful signal amplification tool for biosensors, but how to adopt a proper strategy to increase their amplification efficiency is still highly desirable. Herein we design a dual-catalytic hairpin assembly (CHA)-mediated strategy for the high-efficient formation of a tripedal Mg2+-dependent DNAzyme (MNAzyme)-DNA walker, and thus develop a novel proteinase-free dual-mode biosensing method for the kanamycin (Kana) antibiotic assay. The first CHA is initiated by a target-biorecognition reaction, which can produce the DNA walker and also induce the target recycling. The second CHA is initiated by a special base sequence designed as a one-half substrate of the MNAzyme. Upon the first CHA-triggered DNA walking at a magnetic bead (MB) track, this "pseudo-target" sequence can be released to induce another CHA-cycle for the formation of the same DNA walker. Meanwhile, the other one-half substrate strand exposed on the MB surface will trigger the quantitative hybridization chain reaction (HCR)-assembly of a G-quadruplex DNAzyme (G-DNAzyme)-enriched double-stranded DNA polymer. So the enzymatic reaction of G-DNAzymes enabled the convenient colorimetric and photoelectrochemical dual-mode signal transduction of the method. Due to the dual-CHA facilitation to the tripedal and three-dimensional DNA walking and synergetic signal amplification of HCR, this method exhibits very low detection limits of 9.4 and 0.55 fg mL-1, respectively. In combination with its wide linear range, automated manipulation, and excellent selectivity, repeatability and reliability, the proposed method is expected to be used for the convenient semiquantitative screening and accurate determination of possible antibiotic residues in complicated matrices.
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Affiliation(s)
- Wan Huang
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi, 435002, China
| | - Danyan Zhan
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi, 435002, China
| | - Yiming Xie
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi, 435002, China
| | - Xin Li
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi, 435002, China
| | - Guosong Lai
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi, 435002, China.
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19
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Wang C, Song H, Zhao X, Liu R, Lv Y. Multiplex DNA Walking Machines for Lung Cancer-Associated miRNAs. Anal Chem 2022; 94:1787-1794. [PMID: 35018772 DOI: 10.1021/acs.analchem.1c04557] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Biomimetic DNA walking machines have gained great success in scrutinizing the microscopic world and sensitive biosensing of disease biomarkers. Despite superb achievements, the research on DNA walking machines for simultaneous detection of multiple analytes is still rare, while the design and realization of multiplexing are considered as an important bottleneck. The multiplex detection of biomarkers can not only improve the specificity of bioassays but also avoid the squander of valuable biological specimens. Herein, we reported multiplex three-dimensional (3D) DNA walking machines based on high-resolution inductively coupled plasma mass spectrometry (HR-ICPMS) for lung cancer-associated miRNA detection. In the presence of lung cancer-associated target miRNAs (miR-21, miR-141, and miR-125b), DNA walking machines were stimulated and operated to liberate a large number of lanthanide elements (Tb, Ho, and Tm), and then the signals were collected simultaneously by HR-ICPMS. The recovery test of target miRNAs in human serum and the simultaneous monitoring experiment of three miRNAs in human lung cancer cell line (A549) and normal cell line (HBE) specimens display satisfactory analysis capabilities for complex biological samples. Thanks to the vast potential of lanthanide tags and the modular design, the proposed bioassay might flexibly detect different miRNA combinations with corresponding sets of DNA walking machines to meet the requirements of various tasks.
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Affiliation(s)
- Chaoqun Wang
- Analytical & Testing Center, Sichuan University, Chengdu 610064, P. R. China
| | - Hongjie Song
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Xin Zhao
- Department of Clinical Laboratory, Chengdu 7th People's Hospital, Chengdu 610041, Sichuan, P. R. China
| | - Rui Liu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Yi Lv
- Analytical & Testing Center, Sichuan University, Chengdu 610064, P. R. China.,Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
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20
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Kim E, Xu J, Kim J, Chun H. Improving the robustness of a catalyzed hairpin assembly with a three-arm nanostructure for nonenzymatic signal amplification. Analyst 2022; 147:1899-1905. [DOI: 10.1039/d2an00209d] [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
A nonenzymatic and isothermal signal amplification was performed by a 3-arm structure based on a catalyzed hairpin DNA assembly (3-CHA). By suppressing the leakage pathway, the sensitivity (<30 pM LOD) and selectivity of the 3-CHA were improved.
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Affiliation(s)
- Eunjoo Kim
- Department of Biomedical Engineering, Korea University, Hana Science Hall, 145 Anamro, Seongbukgu, Seoul 02841, Korea
| | - Jiaxin Xu
- Department of Biomedical Engineering, Korea University, Hana Science Hall, 145 Anamro, Seongbukgu, Seoul 02841, Korea
| | - Jinah Kim
- Department of Biomedical Engineering, Korea University, Hana Science Hall, 145 Anamro, Seongbukgu, Seoul 02841, Korea
| | - Honggu Chun
- Department of Biomedical Engineering, Korea University, Hana Science Hall, 145 Anamro, Seongbukgu, Seoul 02841, Korea
- Institute of Precision Public Health, Korea University, Hana Science Hall, 145 Anamro, Seongbukgu, Seoul 02841, Korea
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Wang L, Dai X, Feng Y, Zhao Q, Liu L, Xue C, Xiao L, Wang R. Dual Catalytic Hairpin Assembly-Based Automatic Molecule Machine for Amplified Detection of Auxin Response Factor-Targeted MicroRNA-160. Molecules 2021; 26:molecules26216432. [PMID: 34770841 PMCID: PMC8588017 DOI: 10.3390/molecules26216432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 10/20/2021] [Accepted: 10/23/2021] [Indexed: 11/16/2022] Open
Abstract
MicroRNA160 plays a crucial role in plant development by negatively regulating the auxin response factors (ARFs). In this manuscript, we design an automatic molecule machine (AMM) based on the dual catalytic hairpin assembly (D-CHA) strategy for the signal amplification detection of miRNA160. The detection system contains four hairpin-shaped DNA probes (HP1, HP2, HP3, and HP4). For HP1, the loop is designed to be complementary to miRNA160. A fragment of DNA with the same sequences as miRNA160 is separated into two pieces that are connected at the 3′ end of HP2 and 5′ end of HP3, respectively. In the presence of the target, four HPs are successively dissolved by the first catalytic hairpin assembly (CHA1), forming a four-way DNA junction (F-DJ) that enables the rearrangement of separated DNA fragments at the end of HP2 and HP3 and serving as an integrated target analogue for initiating the second CHA reaction, generating an enhanced fluorescence signal. Assay experiments demonstrate that D-CHA has a better performance compared with traditional CHA, achieving the detection limit as low as 10 pM for miRNA160 as deduced from its corresponding DNA surrogates. Moreover, non-target miRNAs, as well as single-base mutation targets, can be detected. Overall, the D-CHA strategy provides a competitive method for plant miRNAs detection.
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Affiliation(s)
- Lei Wang
- Hunan Provincial Key Laboratory of Phytohormones and Growth Development, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China; (L.W.); (X.D.); (Y.F.); (Q.Z.)
| | - Xing Dai
- Hunan Provincial Key Laboratory of Phytohormones and Growth Development, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China; (L.W.); (X.D.); (Y.F.); (Q.Z.)
| | - Yujian Feng
- Hunan Provincial Key Laboratory of Phytohormones and Growth Development, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China; (L.W.); (X.D.); (Y.F.); (Q.Z.)
| | - Qiyang Zhao
- Hunan Provincial Key Laboratory of Phytohormones and Growth Development, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China; (L.W.); (X.D.); (Y.F.); (Q.Z.)
| | - Lin Liu
- Guangdong Provincial Key Laboratory of Plant Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, China;
| | - Chang Xue
- Key Laboratory of Laboratory Medicine, Ministry of Education of China, Zhejiang Provincial Key Laboratory of Medicine Genetics, School of Laboratory Medicine and Life Sciences, Institute of Functional Nucleic Acids and Personalized Cancer Theranostics, Wenzhou Medical University, Wenzhou 325035, China
- Correspondence: (C.X.); (L.X.); (R.W.)
| | - Langtao Xiao
- Hunan Provincial Key Laboratory of Phytohormones and Growth Development, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China; (L.W.); (X.D.); (Y.F.); (Q.Z.)
- Correspondence: (C.X.); (L.X.); (R.W.)
| | - Ruozhong Wang
- Hunan Provincial Key Laboratory of Phytohormones and Growth Development, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China; (L.W.); (X.D.); (Y.F.); (Q.Z.)
- Correspondence: (C.X.); (L.X.); (R.W.)
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22
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Mao Y, Sun Y, Xue J, Lu W, Cao X. Ultra-sensitive and high efficiency detection of multiple non-small cell lung cancer-related miRNAs on a single test line in catalytic hairpin assembly-based SERS-LFA strip. Anal Chim Acta 2021; 1178:338800. [PMID: 34482860 DOI: 10.1016/j.aca.2021.338800] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 06/19/2021] [Accepted: 06/23/2021] [Indexed: 11/29/2022]
Abstract
Accurate quantification of multiple miRNAs biomarkers in body fluid is still a challenge for early screening of cancer. Herein, by catalytic hairpin assembly as a signal amplification strategy, we designed a novel surface-enhanced Raman scattering (SERS)-lateral flow assay (LFA) strip for ultrasensitive detection of miR-21 and miR-196a-5p in non-small cell lung cancer (NSCLC) urine on a single test (T) line. 4-mercaptobenzoic acid or 5,5'-dithiobis-2-nitrobenzoic acid as Raman molecules was labeled and two hairpin DNA sequence was modified gold nanocages (GNCs) were designed as two SERS tags. Through target miRNA-triggered catalytic hairpin assembly (CHA), the double-stranded DNAs (H1-H2 complex) formed by SERS tags and the related hairpin-structured DNA sequence 2 (H2) were immobilized on a single T line of SERS-LFA strip. This generated abundant "hot spots" because of the formation of numerous H1-H2 complex thus facilitated the SERS measurement. Through this method, two kinds of miRNAs were analyzed, resulting in limits of detection of 2.08 pM and 3.31 pM for miR-21 in PBS buffer and human urine, 1.77 pM and 2.18 pM for miR-196a-5p in PBS buffer and human urine. Significantly, the SERS-LFA strip exhibited high specificity and good repeatability toward miRNAs. The whole detection time was only 30 min, which means that the high detection efficiency of the strip. The clinical feasibility of the proposed method was also evaluated by detecting the levels of miR-21 and miR-196a-5p in urine samples from NSCLC patients and healthy subjects. The developed SERS-LFA strip has wide application prospect in biomedical research, drug development and early clinical diagnosis.
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Affiliation(s)
- Yu Mao
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, PR China; Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Medical College, Yangzhou University, Yangzhou, 225001, PR China; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, 225001, PR China
| | - Yue Sun
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, PR China; Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Medical College, Yangzhou University, Yangzhou, 225001, PR China; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, 225001, PR China
| | - Jin Xue
- Guangling College, Yangzhou University, Yangzhou, 225001, PR China
| | - Wenbo Lu
- Shanxi Normal University, College of Chemistry and Material Science, Linfen, 041004, PR China
| | - Xiaowei Cao
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225001, PR China; Guangling College, Yangzhou University, Yangzhou, 225001, PR China; Jiangsu Key Laboratory of Zoonosis, Yangzhou University, Yangzhou, 225009, PR China; Jiangsu Key Laboratory of Experimental & Translational Non-coding RNA Research, Medical College, Yangzhou University, Yangzhou, 225001, PR China; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Diseases, Yangzhou University, Yangzhou, 225001, PR China.
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23
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Xu Q, Liu K, Jin J, Zhang X. Binding-induced output of catalyst DNA for efficient payload of DNAzyme on magnetic beads by catalyzed hairpin assembly. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106490] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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24
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Feng C, Zhang C, Guo J, Li G, Ye B, Zou L. Novel preparation method of bipedal DNA walker based on hybridization chain reaction for ultrasensitive DNA biosensing. Anal Chim Acta 2021; 1176:338781. [PMID: 34399897 DOI: 10.1016/j.aca.2021.338781] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 06/05/2021] [Accepted: 06/15/2021] [Indexed: 11/27/2022]
Abstract
In this work, a novel strategy for preparation of bipedal DNA walker (BDW) based on hybridization chain reaction (HCR) with the assistance of Exonuclease III (Exo III) was proposed. Based on this strategy, an electrochemical biosensor was constructed to achieve sensitive detection of CYFRA 21-1 DNA. Firstly, target recognition and circulation were achieved through a one-step catalytic hairpin assembly (CHA) reaction. For further amplification, hybridization chain reaction (HCR) was employed to form duplex-stranded DNA (dsDNA) nanostructure in homogeneous solution. In particular, the elongated single strand of the hairpin DNA for HCR was designed as the Mg2+ DNAzyme sequence. With the assistance of Exo III, dsDNA nanostructure can be digested and transformed into large amounts of BDW. These BDW can cleave the signal probe driven by Mg2+, which was modified on the electrode surface and thus achieved "signal-off" detection of target. This BDW preparation method based on HCR with the digestion of Exo III converted one target input into large amount of BDW. Coupled with the walking cleavage of BDW, a series of cascade amplification endowed high sensitivity with this biosensor and realized ultrasensitive detection of target DNA with the detection limit as low as 3.01 aM.
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Affiliation(s)
- Changrui Feng
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Chi Zhang
- Department of Orthopedics, First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, PR China
| | - Jiaxin Guo
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Gaiping Li
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Baoxian Ye
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Lina Zou
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou, 450001, PR China.
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25
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Yan Y, Hu T, Xiang X, Li W, Ma C. Fluorometric Detection of Streptavidin with a Cationic Conjugated Polymer and Hairpin DNA Probe. ChemistrySelect 2021. [DOI: 10.1002/slct.202100800] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ying Yan
- School of Life Sciences Central South University Changsha 410013 China
| | - Tingting Hu
- School of Life Sciences Central South University Changsha 410013 China
| | - Xinying Xiang
- School of Life Sciences Central South University Changsha 410013 China
| | - Wenkai Li
- School of Life Sciences Central South University Changsha 410013 China
| | - Changbei Ma
- School of Life Sciences Central South University Changsha 410013 China
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26
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Xiong Y, Dai J, Zhang Y, Zhou C, Yuan H, Xiao D. A label-free fluorescent biosensor based on a catalyzed hairpin assembly for HIV DNA and lead detection. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:2391-2395. [PMID: 33972958 DOI: 10.1039/d1ay00410g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Herein, a label-free fluorescent signal amplification system based on a catalyzed hairpin assembly (CHA) is reported. In this system, two hairpin probes, H1 and H2, were well-designed in which G-quadruplex sequences were integrated into H2. The CHA reaction was triggered by target/trigger DNA and G-quadruplex sequences were released, which can bind the fluorescent amyloid dye thioflavin T (ThT) to provide fluorescence signals. At the same time, target/trigger DNA was released from the product of the CHA reaction (H1-H2), which continued to initiate the next CHA cycle, and the signal was eventually amplified. This signal amplification approach has been successfully used to develop a label-free fluorescent sensing platform for sensitive detection of human immunodeficiency virus (HIV) DNA and Pb2+.
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Affiliation(s)
- Yu Xiong
- College of Chemical Engineering, Sichuan University, Chengdu 610065, China.
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27
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Wang N, Jiang YJ, Zhang X, Lin HR, Cheng F, Li Q, Li CM, Huang CZ. Nanosurface energy transfer indicating Exo III-propelled stochastic 3D DNA walkers for HIV DNA detection. Analyst 2021; 146:1675-1681. [PMID: 33624639 DOI: 10.1039/d0an02289f] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
DNA-based nanomachines have aroused tremendous interest because of their potential applications in bioimaging, biocomputing, and diagnostic treatment. Herein, we constructed a novel exonuclease III-propelled and signal-amplified stochastic DNA walker that autonomously walked on a spherical particle-based 3D track through a burnt-bridge mechanism, during which nanosurface energy transfer (NSET) occurred between the fluorescent dye modified on hairpin DNA and the surface of gold nanoparticles (AuNPs). As a proof of concept, this stochastic DNA walker achieves prominent detection performance of HIV DNA in the range of 0.05-1.2 nM with a detection limit of 12.7 pM and satisfactory recovery in blood serum, showing high promise in biosensing applications with complicated media.
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Affiliation(s)
- Na Wang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, P. R. China.
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28
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Wang F, Liu Y, Fu C, Li N, Du M, Zhang L, Ge S, Yu J. Paper-Based Bipolar Electrode Electrochemiluminescence Platform for Detection of Multiple miRNAs. Anal Chem 2020; 93:1702-1708. [PMID: 33369382 DOI: 10.1021/acs.analchem.0c04307] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This paper introduces a novel potential-resolved paper-based biosensor for simultaneous detection of multiple microRNAs (miRNAs) (taking miRNA-155 and miRNA-126 as examples) based on the bipolar electrode (BPE) electrochemiluminescence (ECL) strategy. The proposed multiple-channel paper-based sensing microfluidic platform was prepared by wax-printing technology, screen-printing method, and in situ Au nanoparticles (AuNPs) growth to form hydrophilic areas, hydrophobic boundaries, waterproof electronic bridge, driving electrode regions, and parallel bipolar electrode regions. CdTe quantum dots (QDs)-H2 and Au@g-C3N4 nanosheets (NSs)-DNA1 were used as dual electrochemiluminescence signal probes, and carboxylated Fe3O4 magnetic nanoparticles existed as carriers. CdTe QDs-H2/S2O82- and Au@g-C3N4 NSs-DNA1/S2O82- could exhibit two strong and stable ECL emissions at a drive voltage of 9 and 12 V, respectively, which can be used as effective potential-resolved signal tags. In addition, the proposed three-dimensional (3D) DNA nanomachine model and the target miRNA cycle strategy were used to achieve double amplification of electrochemiluminescence intensity. More importantly, the combination of the bipolar electrode system and the potential-resolved multitarget electrochemiluminescence method can greatly reduce the spatial interference between substances. The prepared ECL biosensor showed a favorable linear response for the detection of miRNA-155 and miRNA-126 with relatively low detection limits of 5.7 and 4.2 fM, respectively. With excellent sensitivity, the strategy may provide an efficient method for clinical application, especially in detection of trace multiple targets.
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Affiliation(s)
- Fangfang Wang
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan 250022, P. R. China
| | - Yunqing Liu
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan 250022, P. R. China
| | - Cuiping Fu
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan 250022, P. R. China
| | - Na Li
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Miao Du
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, P. R. China
| | - Lina Zhang
- Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials, School of Material Science and Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Shenguang Ge
- Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan 250022, P. R. China
| | - Jinghua Yu
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
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29
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Ultrasensitive electrochemiluminescence biosensing platform for miRNA-21 and MUC1 detection based on dual catalytic hairpin assembly. Anal Chim Acta 2020; 1105:87-94. [DOI: 10.1016/j.aca.2020.01.034] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 01/14/2020] [Accepted: 01/16/2020] [Indexed: 02/07/2023]
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30
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Ding L, Wu Y, Duan Y, Yu S, Yu F, Wang J, Tian Y, Gao Z, Wan Z, He L. A Novel Cell-Assisted Enhanced Chemiluminescence Strategy for Rapid and Label-Free Detection of Tumor Cells in Whole Blood. ACS Sens 2020; 5:440-446. [PMID: 31910612 DOI: 10.1021/acssensors.9b02140] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
In this study, an interesting phenomenon was found where cells (including tumor and normal cells) managed to significantly enhance chemiluminescence (CL) signals. The possible reaction mechanism may be that cells can be severely damaged by CL substrates, and the released contents, possibly proteins (such as cytochrome c), can remarkably magnify CL owing to the increased production of singlet oxygen. More importantly, based on the above phenomena, a novel cell-assisted enhanced CL strategy was proposed for the rapid and label-free detection of tumor cells. The complexes of aptamer sgc8c and streptavidin-modified magnetic beads were employed to recognize and isolate target tumor cells from whole blood. The enhanced CL intensity, which was triggered directly by the captured cells, was measured. The proposed strategy exhibited a good detection performance with a linear range from 200 to 10,000 cells/mL. The analysis can be finished in ∼30 min, and the limit of detection was down to 100 cells/mL. The recoveries and relative standard deviations were 97.81-102.71% and 3.46-12.71%, respectively. Moreover, the established method can successfully distinguish the leukemia patients from healthy people. Therefore, it provides a novel, rapid, and simple method for the determination of tumor cells, which can be used in further practice.
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Affiliation(s)
- Lihua Ding
- College of Public Health, The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou University, Zhengzhou 450001, China
| | - Yongjun Wu
- College of Public Health, The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou University, Zhengzhou 450001, China
| | - Yanjuan Duan
- College of Public Health, The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou University, Zhengzhou 450001, China
| | - Songcheng Yu
- College of Public Health, The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou University, Zhengzhou 450001, China
| | - Fei Yu
- College of Public Health, The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou University, Zhengzhou 450001, China
| | - Jia Wang
- College of Public Health, The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou University, Zhengzhou 450001, China
| | - Yongmei Tian
- College of Public Health, The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou University, Zhengzhou 450001, China
| | - Zibo Gao
- College of Public Health, The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou University, Zhengzhou 450001, China
| | - Zhenzhen Wan
- College of Public Health, The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou University, Zhengzhou 450001, China
| | - Leiliang He
- College of Public Health, The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou University, Zhengzhou 450001, China
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31
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Afreen S, He Z, Xiao Y, Zhu JJ. Nanoscale metal-organic frameworks in detecting cancer biomarkers. J Mater Chem B 2020; 8:1338-1349. [PMID: 31999289 DOI: 10.1039/c9tb02579k] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Following the efficient performance of metal-organic frameworks (MOFs) as recognition elements in gas sensors, biosensors based on MOFs are now being investigated to capture and quantify potential cancer biomarkers, such as circulating tumor cells (CTCs), nucleic acids and proteins. The current status of MOF-based biosensors in the detection of early stages of cancer is in its infancy, although it has significantly emerged since the beginning of this decade. That said, salient research has been conducted in the past five years to utilize the distinctive porous crystalline structure of MOFs for highly sensitive and selective detection of cancer biomarkers. In this pursual, MOFs designed with bimetallic assembly, doped with magnetic nanoparticles, coated with polymers, and even conjugated with peptides or oligonucleotides have shown promising outcomes in detecting CTCs, nucleic acids and proteins. In particular, aptamer-conjugated MOFs are able to perform at a lower limit of detection down to the femtomolar, implying their efficacy for the point of care testing in clinical trials. In this way, aptasensors based on aptamer-conjugated MOFs present a newer sub-branch, to be coined as a MOFTA sensor in the current review. Considering the emerging progress and promising outcomes of MOFTA sensors as well as a variety of MOF-based techniques of detecting cancer biomarkers, this review will highlight their significant advances and related aspects in the recent five years on the context of detecting CTCs, nucleic acids and proteins for the early-stage detection of cancer.
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Affiliation(s)
- Sadia Afreen
- State Key Laboratory of Analytical Chemistry for Life Science School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China.
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Zhou H, Duan S, Huang J, He F. An ultrasensitive electrochemical biosensor for Pseudomonas aeruginosa assay based on a rolling circle amplification-assisted multipedal DNA walker. Chem Commun (Camb) 2020; 56:6273-6276. [DOI: 10.1039/d0cc01619e] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An ultrasensitive electrochemical biosensor was developed based on RCA and multipedal DNA walking strategy for the assay of 16S rRNA gene, and it has great application potential in food safety, environmental monitoring, and disease diagnosis.
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Affiliation(s)
- Huang Zhou
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- P. R. China
| | - Shaoyun Duan
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- P. R. China
| | - Ji Huang
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- P. R. China
| | - Fengjiao He
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- P. R. China
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33
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Dai Y, Furst A, Liu CC. Strand Displacement Strategies for Biosensor Applications. Trends Biotechnol 2019; 37:1367-1382. [DOI: 10.1016/j.tibtech.2019.10.001] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 10/02/2019] [Accepted: 10/03/2019] [Indexed: 12/18/2022]
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34
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Xiong E, Zhen D, Jiang L, Zhou X. Binding-Induced 3D-Bipedal DNA Walker for Cascade Signal Amplification Detection of Thrombin Combined with Catalytic Hairpin Assembly Strategy. Anal Chem 2019; 91:15317-15324. [PMID: 31710462 DOI: 10.1021/acs.analchem.9b04987] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
As an important biomarker, thrombin (TB) is a major player in thrombosis and hemostasis and has attracted increasing attention involving its determination. Herein a universal and ultrasensitive fluorescence biosensor based on a binding-induced 3D-bipedal DNA walker and catalytic hairpin assembly (CHA) strategy has been proposed for cascade signal amplification detection of thrombin. In this study, we designed two proximity probes (foot 1 and foot 2) which include a specific affinity ligand for TB binding and a Pb2+-dependent DNAzyme tail sequence. In the presence of TB, the simultaneous binding of TB to foot 1 (F1) and foot 2 (F2) via TB aptamer (TBA) brings the tail sequences into close proximity and the melting temperature for tail sequences and track DNA is increased, allowing the Pb2+-dependent DNAzyme to cleave the track DNA into two short fragments which have lower affinities for the DNAzyme and, finally, leading to the release of trigger DNA (T-DNA) for subsequent CHA reaction. In the meantime, the dissociated DNA walkers (F1 and F2) explore adjacent unwound track DNA, and the walking procedure is conducted. Unlike the conventional unipedal DNA walkers that anchor foot DNA and track DNA on the same sensing surface, the proposed 3D-bipedal DNA walking machine can not only increase the local concentration of track DNA but can also improve the walking efficiency and expand the range of the walkers to some extent due to the two free feet. Moreover, with the advantages of superior sensitivity and excellent specificity, this biosensing platform exhibits a huge potential in practical application in biomedical research and clinical diagnosis.
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Affiliation(s)
- Erhu Xiong
- School of Life Sciences , South China Normal University , Guangzhou 510631 , China
| | - Deshuai Zhen
- College of Chemistry and Chemical Engineering , Qiannan Normal University for Nationalities , Duyun 558000 , China.,State Key Laboratory of Chemo/Biosensing and Chemometrics , College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082 , China
| | - Ling Jiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics , College of Chemistry and Chemical Engineering, Hunan University , Changsha 410082 , China
| | - Xiaoming Zhou
- School of Life Sciences , South China Normal University , Guangzhou 510631 , China
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35
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Chen J, Luo Z, Sun C, Huang Z, Zhou C, Yin S, Duan Y, Li Y. Research progress of DNA walker and its recent applications in biosensor. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.115626] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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36
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Biosensors for epigenetic biomarkers detection: A review. Biosens Bioelectron 2019; 144:111695. [PMID: 31526982 DOI: 10.1016/j.bios.2019.111695] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 08/24/2019] [Accepted: 09/06/2019] [Indexed: 12/11/2022]
Abstract
Epigenetic inheritance is a heritable change in gene function independent of alterations in nucleotide sequence. It regulates the normal cellular activities of the organisms by affecting gene expression and transcription, and its abnormal expression may lead to the developmental disorder, senile dementia, and carcinogenesis progression. Thus, epigenetic inheritance is recognized as an important biomarker, and the accurate quantification of epigenetic inheritance is crucial to clinical diagnosis, drug development and cancer treatment. Noncoding RNA, DNA methylation and histone modification are the most common epigenetic biomarkers. The conventional biosensors (e.g., northern blotting, radiometric, mass spectrometry and immunosorbent biosensors) for epigenetic biomarkers assay usually suffer from hazardous radiation, complicated manipulation, and time-consuming procedures. To facilitate the practical applications, some new biosensors including colorimetric, luminescent, Raman scattering spectroscopy, electrochemical and fluorescent biosensors have been developed for the detection of epigenetic biomarkers with simplicity, rapidity, high throughput and high sensitivity. In this review, we summarize the recent advances in epigenetic biomarkers assay. We classify the biosensors into the direct amplification-free and the nucleotide amplification-assisted ones, and describe the principles of various biosensors, and further compare their performance for epigenetic biomarkers detection. Moreover, we discuss the emerging trends and challenges in the future development of epigenetic biomarkers biosensors.
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37
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Nanomaterials as efficient platforms for sensing DNA. Biomaterials 2019; 214:119215. [DOI: 10.1016/j.biomaterials.2019.05.026] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 05/13/2019] [Accepted: 05/16/2019] [Indexed: 02/07/2023]
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38
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Xiao G, Chen B, He M, Li X, Hu B. A highly sensitive assay of DNA based on inductively coupled plasma mass spectrometry detection with gold nanoparticle amplification and isothermal circular strand-displacement polymerization reaction. Talanta 2019; 202:207-213. [DOI: 10.1016/j.talanta.2019.05.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 04/29/2019] [Accepted: 05/02/2019] [Indexed: 01/14/2023]
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39
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Fan J, Zang Y, Jiang J, Lei J, Xue H. Beta-cyclodextrin-functionalized CdS nanorods as building modules for ultrasensitive photoelectrochemical bioassay of HIV DNA. Biosens Bioelectron 2019; 142:111557. [PMID: 31400727 DOI: 10.1016/j.bios.2019.111557] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 07/13/2019] [Accepted: 07/30/2019] [Indexed: 11/19/2022]
Abstract
Nowadays, acquired immunodeficiency syndrome has become a formidable danger to human health, and its early diagnosis is urgent need with the increasing quantity of patients around the world. Herein, we first synthesized beta-cyclodextrin-functionalized CdS nanorods (β-CD@CdS NRs) with high stability and desirable photo-electricity activity, and served as easy-to-assemble building modules to design a novel photoelectrochemical biosensor for human immune deficiency virus (HIV) DNA detection by coupling with catalytic hairpin assembly (CHA)-mediated biocatalytic precipitation and the host-guest interaction between adamantine (ADA) and β-CD. In the presence of HIV DNA, CHA process was triggered with the aid of hairpin DNA1 and ADA-labelled hairpin DNA2, and then generated large amounts of G-quadruplex, which could be formed hemin/G-quadruplex DNAzyme to catalyze 4-chloro-1-naphthol to generate insoluble precipitation on photoelectrode surface, followed by the decreased photocurrent response due to the corresponding stereo-hindrance effect. Under optimized conditions, this biosensor exhibited wide linear dynamic range (10 fM - 1 nM) and low detection limit of 1.16 fM, as well as high sensitivity, excellent stability, and satisfactory feasibility in human-serum samples. Moreover, the prepared β-CD@CdS NRs could be applied to the construction of other advanced sensing platform, showing great prospect in clinical diagnostics.
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Affiliation(s)
- Jing Fan
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225002, PR China
| | - Yang Zang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225002, PR China.
| | - Jingjing Jiang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225002, PR China
| | - Jianping Lei
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu, 210023, PR China.
| | - Huaiguo Xue
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu, 225002, PR China
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40
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Wu T, Cao Y, Yang Y, Zhang X, Wang S, Xu LP, Zhang X. A three-dimensional DNA walking machine for the ultrasensitive dual-modal detection of miRNA using a fluorometer and personal glucose meter. NANOSCALE 2019; 11:11279-11284. [PMID: 31165838 DOI: 10.1039/c9nr03588e] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Three-dimensional (3D) DNA walking machines inspired by natural molecular machines have attracted significant attention due to their high walking efficiency and signal amplification capability. Herein, we report a 3D DNA walking machine for the dual-modal detection of miRNA using a fluorometer and personal glucose meter (PGM). The 3D DNA walking machine on magnetic beads (MBs) was coated with the BHQ-H1-FAM hairpin structures (DNA tracks), activated by target miRNA-21 (walking strand) and propelled by a strand displacement reaction. During these processes, the fluorescence of FAM on H1 was turned on (first signal), and the invertase on H2 was introduced into the surface of the MBs. After being separated by an external magnetic field, the invertase hydrolyzed sucrose into glucose to generate a second signal, which was quantified by the PGM. The developed 3D DNA walking machine showed high sensitivity and good specificity, and the detection limits of 98 pM and 60 pM were obtained for the fluorescence-based assay and PGM-based assay, respectively. Compared with the single-modal detection, the developed DNA walking machine can achieve a unique double signal readout and more reliable sensitive performance. In addition, the proposed 3D DNA walking machine was successfully applied to detect miRNA in real biological samples. The 3D DNA walking machine with dual-modal detection has potential applications in disease diagnostics and clinical applications and can satisfy different testing requirements both in the laboratory and field.
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Affiliation(s)
- Tingting Wu
- Research Center for Bioengineering and Sensing Technology, Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China.
| | - Yu Cao
- Research Center for Bioengineering and Sensing Technology, Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China.
| | - Yuemeng Yang
- Research Center for Bioengineering and Sensing Technology, Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China.
| | - Xiaoyan Zhang
- Research Center for Bioengineering and Sensing Technology, Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China.
| | - Shutao Wang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, CAS Center for Excellence in Nanoscience, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Li-Ping Xu
- Research Center for Bioengineering and Sensing Technology, Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China.
| | - Xueji Zhang
- Research Center for Bioengineering and Sensing Technology, Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China.
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41
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Wang J, Wang DX, Tang AN, Kong DM. Highly Integrated, Biostable, and Self-Powered DNA Motor Enabling Autonomous Operation in Living Bodies. Anal Chem 2019; 91:5244-5251. [DOI: 10.1021/acs.analchem.9b00007] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jing Wang
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, 300071, People’s Republic of China
| | - Dong-Xia Wang
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, 300071, People’s Republic of China
| | - An-Na Tang
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, 300071, People’s Republic of China
| | - De-Ming Kong
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, Research Centre for Analytical Sciences, College of Chemistry, Nankai University, Tianjin, 300071, People’s Republic of China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, 300071, People’s Republic of China
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42
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Yuan C, Fang J, Duan Q, Yan Q, Guo J, Yuan T, Yi G. Two-layer three-dimensional DNA walker with highly integrated entropy-driven and enzyme-powered reactions for HIV detection. Biosens Bioelectron 2019; 133:243-249. [PMID: 30981134 DOI: 10.1016/j.bios.2019.03.015] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2018] [Revised: 03/02/2019] [Accepted: 03/08/2019] [Indexed: 12/20/2022]
Abstract
Here, we propose a new two-layer three-dimensional (3-D) DNA walker sensor with highly integrated entropy-driven and enzyme-powered reactions for the first time. The 3-D DNA walker sensor is constructed by assembling densely carboxyfluorescein-labeled single strand oligonucleotides (inner-layer tracks) and nucleic acid complex S (outer-layer tracks) on a microparticle. In the presence of the target, outer and inner tracks are activated in turn, thereby releasing a great deal of the signal reporters for signal reading. As a result, our 3-D DNA walker sensor can realize the target detection in the range from 2 pM to 5 nM within one hour. Besides, the specific walker sensor can clearly distinguish even one-base mismatched target analogue. More importantly, our walker sensor can also test the target in human serum samples in the concentrations as low as 0.1 nM, which provides a bridge between real sample detection and clinical application. Certainly, this smart strategy could also be generalized to any target of interest by proper design.
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Affiliation(s)
- Changjing Yuan
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Jie Fang
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Qiuyue Duan
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Qi Yan
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Jing Guo
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Taixian Yuan
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China
| | - Gang Yi
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, China.
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43
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Xu Z, Chang Y, Chai Y, Wang H, Yuan R. Ultrasensitive Electrochemiluminescence Biosensor for Speedy Detection of microRNA Based on a DNA Rolling Machine and Target Recycling. Anal Chem 2019; 91:4883-4888. [DOI: 10.1021/acs.analchem.9b00728] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ziqi Xu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People’s Republic of China
| | - Yuanyuan Chang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People’s Republic of China
| | - Yaqin Chai
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People’s Republic of China
| | - Haijun Wang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People’s Republic of China
| | - Ruo Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People’s Republic of China
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44
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Wang S, Ji Y, Fu H, Ju H, Lei J. A rolling circle amplification-assisted DNA walker triggered by multiple DNAzyme cores for highly sensitive electrochemical biosensing. Analyst 2019; 144:691-697. [DOI: 10.1039/c8an01892h] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A DNA walker triggered by multiple DNAzyme cores was constructed with the assistance of rolling circle amplification for electrochemical biosensing.
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Affiliation(s)
- Sina Wang
- State Key Laboratory of Analytical Chemistry for Life Science
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Yuhang Ji
- State Key Laboratory of Analytical Chemistry for Life Science
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Haomin Fu
- State Key Laboratory of Analytical Chemistry for Life Science
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Huangxian Ju
- State Key Laboratory of Analytical Chemistry for Life Science
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Jianping Lei
- State Key Laboratory of Analytical Chemistry for Life Science
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
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