1
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Mo L, Yuan R, Hong Y, Yang C, Lin W. Accelerated diagnosis: a crosslinking catalytic hairpin assembly system for rapid and sensitive SARS-CoV-2 RNA detection. Mikrochim Acta 2024; 191:333. [PMID: 38753167 DOI: 10.1007/s00604-024-06396-z] [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: 01/30/2024] [Accepted: 04/28/2024] [Indexed: 05/18/2024]
Abstract
The COVID-19 pandemic has underscored the urgent need for rapid and reliable strategies for early detection of SARS-CoV-2. In this study, we propose a DNA nanosphere-based crosslinking catalytic hairpin assembly (CCHA) system for the rapid and sensitive SARS-CoV-2 RNA detection. The CCHA system employs two DNA nanospheres functionalized with catalytic hairpin assembly (CHA) hairpins. The presence of target SARS-CoV-2 RNA initiated the crosslinking of DNA nanospheres via CHA process, leading to the amplification of fluorescence signals. As a result, the speed of SARS-CoV-2 diagnosis was enhanced by significantly increasing the local concentration of the reagents in a crosslinked DNA product, leading to a detection limit of 363 fM within 5 min. The robustness of this system has been validated in complex environments, such as fetal bovine serum and saliva. Hence, the proposed CCHA system offers an efficient and simple approach for rapid detection of SARS-CoV-2 RNA, holding substantial promise for enhancing COVID-19 diagnosis.
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Affiliation(s)
- Liuting Mo
- Institute of Optical Materials and Chemical Biology, Guangxi Key Laboratory of Electrochemical Energy Materials, College of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi, 530004, People's Republic of China
| | - Rongzheng Yuan
- Institute of Optical Materials and Chemical Biology, Guangxi Key Laboratory of Electrochemical Energy Materials, College of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi, 530004, People's Republic of China
| | - Yan Hong
- Institute of Optical Materials and Chemical Biology, Guangxi Key Laboratory of Electrochemical Energy Materials, College of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi, 530004, People's Republic of China
| | - Chan Yang
- Institute of Optical Materials and Chemical Biology, Guangxi Key Laboratory of Electrochemical Energy Materials, College of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi, 530004, People's Republic of China
| | - Weiying Lin
- Institute of Optical Materials and Chemical Biology, Guangxi Key Laboratory of Electrochemical Energy Materials, College of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi, 530004, People's Republic of China.
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2
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Chen Z, Zeng S, Qian L. Quantitative Analysis of Mitochondrial RNA in Living Cells with a Dual-Color Imaging System. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301132. [PMID: 37127881 DOI: 10.1002/smll.202301132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/30/2023] [Indexed: 05/03/2023]
Abstract
Accurate quantification and dynamic expression profiling of mitochondrial RNA (mtRNA for short) are critical for illustrating their cellular functions. However, there lack methods for precise detection of mtRNA in situ due to the delivery restrictions and complicated cellular interferences. Herein, a dual-color imaging system featured with signal amplification and normalization capability for quantitative analysis of specific mtRNA is established. As a proof-of-concept example, an enzyme-free hairpin DNA cascade amplifier fine-tailored to specifically recognize mtRNA encoding NADH dehydrogenase subunit 6 (ND6) is employed as the signal output module and integrated into the biodegradable mitochondria-targeting black phosphorus nanosheet (BP-PEI-TPP) to monitor spatial-temporal dynamics of ND6 mtRNA. An internal reference module targeting β-actin mRNA is sent to the cytoplasm via BP-PEI for signal normalization, facilitating mtRNA quantification inside living cells with a degree of specificity and sensitivity as high as reverse transcription-quantitative polymerase chain reaction (RT-qPCR). With negligible cytotoxicity, this noninvasive "RT-qPCR mimic" can accurately indicate target mtRNA levels across different cells, providing a new strategy for precise analysis of subcellular RNAs in living systems.
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Affiliation(s)
- Zhiyan Chen
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Cancer Center, & Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou, 310058, P. R. China
| | - Su Zeng
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Cancer Center, & Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou, 310058, P. R. China
| | - Linghui Qian
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Cancer Center, & Hangzhou Institute of Innovative Medicine, Zhejiang University, Hangzhou, 310058, P. R. China
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3
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Li JJ, Du WF, Liu YN, Wang F, Tang LJ, Jiang JH. Protein-Scaffolded DNA Nanostructures for Imaging of Apurinic/Apyrimidinic Endonuclease 1 Activity in Live Cells. Anal Chem 2023; 95:3551-3555. [PMID: 36774652 DOI: 10.1021/acs.analchem.2c05504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
Nucleic acids are valuable tools for intracellular biomarker detection and gene regulation. Here we propose a new type of protein (avidin)-scaffolded DNA nanostructure (ADN) for imaging the activity of apurinic/apyrimidinic endonuclease 1 (APE1) in live cells. ADN is designed by assembling an avidin-displayed abasic site containing DNA strands labeled with a fluorophore or a quencher via a complementary linker strand. ADN is nonemissive due to the close proximity of fluorophores and quenchers. APE1-mediated cleavage separates the fluorophores from the quenchers, delivering activated fluorescence. In vitro assays show that ADN is responsive to APE1 with high sensitivity and high specificity. ADN can efficiently enter the cells, and its capability to visualize and detect intracellular APE1 activities is demonstrated in drug-treated cells and different cell lines. The modular and easy preparation of our nanostructures would afford a valuable platform for imaging and detecting APE1 activities in live cells.
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Affiliation(s)
- Jun-Jie Li
- State Key Laboratory of Chemo/Biosensing & Chemometrics, College of Chemistry & Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China
| | - Wen-Fang Du
- State Key Laboratory of Chemo/Biosensing & Chemometrics, College of Chemistry & Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China
| | - Yi-Ning Liu
- State Key Laboratory of Chemo/Biosensing & Chemometrics, College of Chemistry & Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China
| | - Fenglin Wang
- State Key Laboratory of Chemo/Biosensing & Chemometrics, College of Chemistry & Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China
| | - Li-Juan Tang
- State Key Laboratory of Chemo/Biosensing & Chemometrics, College of Chemistry & Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China
| | - Jian-Hui Jiang
- State Key Laboratory of Chemo/Biosensing & Chemometrics, College of Chemistry & Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China
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4
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Wang W, Ge Q, Zhao X. Enzyme-free isothermal amplification strategy for the detection of tumor-associated biomarkers: A review. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.116960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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5
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Tian Z, Zhou C, Zhang C, Wu M, Duan Y, Li Y. Recent advances of catalytic hairpin assembly and its application in bioimaging and biomedicine. J Mater Chem B 2022; 10:5303-5322. [PMID: 35766024 DOI: 10.1039/d2tb00815g] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Catalytic hairpin assembly (CHA) appears to be a particularly appealing nucleic acid circuit because of its powerful amplification capability, simple protocols, and enzyme-free and isothermal conditions, and can combine with various signal output modes for the biosensing of various analytes. Especially in the last five years, vast CHA related studies have sprung up. With the deep exploration of the CHA mechanism, some novel and excellent CHA strategies have been proposed; meanwhile the CHA cascade strategies with various amplification techniques further improve the analysis performance. Furthermore, diverse CHA based biosensors have been tactfully engineered and extensively employed in imaging applications in living cells and in vivo ascribed to its gentle reaction, efficient amplification and universality. Hence, we present a comprehensive and systematic summary of the progress in CHA and its application in bioimaging and biomedicine to date. At first, we introduced the mechanism and diversification of CHA in detail, including the newly developed CHA and its ingenious combination with a variety of other technologies. Concurrently, we summarized the latest application progress of different CHA strategies in bioimaging and biomedicine, highlighting the merits and drawbacks of representative approaches. Finally, we put forward some views on the challenges and prospects of CHA in bioimaging and biomedicine in the future.
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Affiliation(s)
- Ziyi Tian
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China.
| | - Chen Zhou
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China.
| | - Chuyan Zhang
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China.
| | - Mengfan Wu
- Research Center of Analytical Instrumentation, School of Mechanical Engineering, Sichuan University, Chengdu 610065, China.
| | - Yixiang Duan
- Research Center of Analytical Instrumentation, School of Mechanical Engineering, Sichuan University, Chengdu 610065, China.
| | - Yongxin Li
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China.
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6
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Zhang X, Huang G, Zhang Y, Situ B, Luo S, Wu Y, Zheng L, Yan X. Metastable DNA hairpins driven isothermal amplification for in situ and intracellular analysis. Anal Chim Acta 2022; 1209:339006. [PMID: 35569841 DOI: 10.1016/j.aca.2021.339006] [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: 05/12/2021] [Revised: 08/27/2021] [Accepted: 08/28/2021] [Indexed: 11/16/2022]
Abstract
Intracellular substance analysis is critical for understanding cellular physiological mechanisms and predicting disease progression. Isothermal amplification technologies have been raised to accurately detect intracellular substances due to their low abundance, which is significant for the mechanism analysis and clinical application. However, traditional isothermal method still needs to cell destruction and extraction, resulting in fluctuant results. Moreover, it only works on dead cells. Therefore, non-destructive analysis based on isothermal amplification deserves to be studied, which directly reveals the content and position of relevant molecules. In recent years, metastable DNA hairpins-driven isothermal amplification (Mh-IA) blazes a trail for analysis in living cells. This review tracks the recent advances of Mh-IA strategy in living cell detection and highlights the potential challenges regarding this field, aiming to improve in vivo isothermal amplification. Also, challenges and prospects of Mh-IA for in situ and intracellular analysis are considered.
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Affiliation(s)
- Xiaohe Zhang
- Clinical Medicine Research Center, Department of Laboratory Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China; Guangdong Engineering and Technology Research Center for Rapid Diagnostic Biosensors, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China
| | - Guoni Huang
- Clinical Medicine Research Center, Department of Laboratory Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China; Department of Laboratory Medicine, People's Hospital of Shenzhen Baoan District, Shenzhen, 518101, PR China
| | - Ye Zhang
- Clinical Medicine Research Center, Department of Laboratory Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China; Guangdong Engineering and Technology Research Center for Rapid Diagnostic Biosensors, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China
| | - Bo Situ
- Clinical Medicine Research Center, Department of Laboratory Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China; Guangdong Engineering and Technology Research Center for Rapid Diagnostic Biosensors, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China
| | - Shihua Luo
- Clinical Medicine Research Center, Department of Laboratory Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China; Guangdong Engineering and Technology Research Center for Rapid Diagnostic Biosensors, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China
| | - Yuan Wu
- Clinical Medicine Research Center, Department of Laboratory Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China; School of Basic Medicine, Guangdong Medical University, Dongguan, 523808, PR China
| | - Lei Zheng
- Clinical Medicine Research Center, Department of Laboratory Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China; Guangdong Engineering and Technology Research Center for Rapid Diagnostic Biosensors, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China.
| | - Xiaohui Yan
- Clinical Medicine Research Center, Department of Laboratory Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China; Guangdong Engineering and Technology Research Center for Rapid Diagnostic Biosensors, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, PR China.
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7
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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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8
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Do JY, Jeong JY, Lee CY, Lee YJ, Hong CA. Self-assembled DNA dendrons as signal amplifiers in a DNA probe-based chemiluminescence assay for enhanced colorimetric detection of short target cDNA. Analyst 2022; 147:5170-5177. [DOI: 10.1039/d2an01137a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
DNA dendrons are used as signal amplifiers to increase the colorimetric detection of short target cDNA.
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Affiliation(s)
- Ji Yoon Do
- Department of Biochemistry, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea
| | - Ji Yun Jeong
- Department of Biochemistry, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea
| | - Chan Yeol Lee
- Department of Biochemistry, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea
| | - Yun Jin Lee
- Department of Biochemistry, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea
| | - Cheol Am Hong
- Department of Biochemistry, Yeungnam University, 280 Daehak-ro, Gyeongsan-si, Gyeongsangbuk-do 38541, Republic of Korea
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9
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Wu Y, Fu C, Shi W, Chen J. Recent advances in catalytic hairpin assembly signal amplification-based sensing strategies for microRNA detection. Talanta 2021; 235:122735. [PMID: 34517602 DOI: 10.1016/j.talanta.2021.122735] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/20/2021] [Accepted: 07/23/2021] [Indexed: 12/13/2022]
Abstract
Accumulative evidences have indicated that abnormal expression of microRNAs (miRNAs) is closely associated with many health disorders, making them be regarded as potentialbiomarkers for early clinical diagnosis. Therefore, it is extremely necessary to develop a highly sensitive, specific and reliable approach for miRNA analysis. Catalytic hairpin assembly (CHA) signal amplification is an enzyme-free toehold-mediated strand displacement method, exhibiting significant potential in improving the sensitivity of miRNA detection strategies. In this review, we first describe the potential of miRNAs as disease biomarkers and therapeutics, and summarize the latest advances in CHA signal amplification-based sensing strategies for miRNA monitoring. We describe the characteristics and mechanism of CHA signal amplification and classify the CHA-based miRNA sensing strategies into several categories based on the "signal conversion substance", including fluorophores, enzymes, nanomaterials, and nucleotide sequences. Sensing performance, limit of detection, merits and disadvantages of these miRNA sensing strategies are discussed. Moreover, the current challenges and prospects are also presented.
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Affiliation(s)
- Yan Wu
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China.
| | - Cuicui Fu
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China
| | - Wenbing Shi
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China
| | - Jinyang Chen
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing, 408100, China.
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10
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Li H, Warden AR, Su W, He J, Zhi X, Wang K, Zhu L, Shen G, Ding X. Highly sensitive and portable mRNA detection platform for early cancer detection. J Nanobiotechnology 2021; 19:287. [PMID: 34565398 PMCID: PMC8474757 DOI: 10.1186/s12951-021-01039-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 09/13/2021] [Indexed: 01/05/2023] Open
Abstract
Pancreatic cancer, at unresectable advanced stages, presents poor prognoses, which could be prevented by early pancreatic cancer diagnosis methods. Recently, a promising early-stage pancreatic cancer biomarker, extracellular vesicles (EVs) related glypican-1 (GPC1) mRNA, is found to overexpress in pancreatic cancer cells. Current mRNA detection methods usually require expensive machinery, strict preservation environments, and time-consuming processes to guarantee detection sensitivity, specificity, and stability. Herein, we propose a novel two-step amplification method (CHAGE) via the target triggered Catalytic Hairpin Assembly strategy combined with Gold-Enhanced point-of-care-testing (POCT) technology for sensitive visual detection of pancreatic cancer biomarker. First, utilizing the catalyzed hairpin DNA circuit, low expression of the GPC1 mRNA was changed into amplification product 1 (AP1, a DNA duplex) as the next detection targets of the paper strips. Second, the AP1 was loaded onto a lateral flow assay and captured with the gold signal nanoparticles to visualize results. Finally, the detected results can be further enhanced by depositing gold to re-enlarge the sizes of gold nanoparticles in detection zones. As a result, the CHAGE methodology lowers the detection limit of mRNA to 100 fM and provides results within 2 h at 37 °C. Furthermore, we demonstrate the successful application in discriminating pancreatic cancer cells by analyzing EVs' GPC1 mRNA expression levels. Hence, the CHAGE methodology proposed here provides a rapid and convenient POCT platform for sensitive detection of mRNAs through unique probes designs (COVID, HPV, etc.).
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Affiliation(s)
- Hongxia Li
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Antony R Warden
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Wenqiong Su
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Jie He
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Xiao Zhi
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Kan Wang
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Centre for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Laikuan Zhu
- Department of Endodontics and Operative Dentistry, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China.
- Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai, 200030, China.
| | - Guangxia Shen
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China.
| | - Xianting Ding
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China.
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11
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Zhang C, Dong X, Ong SY, Yao SQ. Live-Cell Imaging of Survivin mRNA by Using a Dual-Color Surface-Cross-Linked Nanoquencher. Anal Chem 2021; 93:12081-12089. [PMID: 34436865 DOI: 10.1021/acs.analchem.1c02385] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Precise detection of cancer-related mRNAs can significantly benefit the early diagnosis and potential therapy of cancers. Herein, we report organic dark quencher-encapsulated surface-cross-linked micelles (qSCMs) as a new sort of nanoquencher for construction of potential multiple-color fluorescence imaging nanosensors. Such nanoquenchers featured simple preparation (one-pot), broad-spectrum quenching (450-800 nm), high quenching efficiency (>94%), good stability, negligible cargo leakage, facile covalent surface modification, and finally excellent modularity. As a proof-of-concept demonstration, a mRNA-detecting qSCM nanosensor was generated, capable of simultaneous live-cell imaging of endogenous actin mRNA (a house-keeping gene) and cancer-related survivin mRNA. This nanosensor was found to be GSH- and DNase I-resistant, and with actin mRNA as an intrinsic reference, it was used to image the precise survivin mRNA expression across different mammalian cells through convenient normalization of the signal readouts. Moreover, the nanosensor was further used to quantitatively image the downregulation of endogenous survivin mRNA in HeLa cells upon treatment of YM155 (an imidazolium bioactive compound known to suppresses endogenous survivin mRNA expression). These results clearly demonstrated the promising application of these qSCMs as new nanoquenchers in potential multicolor imaging of various endogenous biomarkers.
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Affiliation(s)
- Changyu Zhang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Xiao Dong
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Sing Yee Ong
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore.,National University of Singapore Graduate School, Integrative Sciences and Engineering Programme (ISEP), National University of Singapore, University Hall, Tan Chin Tuan Wing, 21 Lower Kent Ridge Road, No. 04-02, Singapore 119077, Singapore
| | - Shao Q Yao
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore.,National University of Singapore Graduate School, Integrative Sciences and Engineering Programme (ISEP), National University of Singapore, University Hall, Tan Chin Tuan Wing, 21 Lower Kent Ridge Road, No. 04-02, Singapore 119077, Singapore
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12
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Abstract
The imaging of chromatin, genomic loci, RNAs, and proteins is very important to study their localization, interaction, and coordinated regulation. Recently, several clustered regularly interspaced short palindromic repeats (CRISPR) based imaging methods have been established. The refurbished tool kits utilizing deactivated Cas9 (dCas9) and dCas13 have been established to develop applications of CRISPR-Cas technology beyond genome editing. Here, we review recent advancements in CRISPR-based methods that enable efficient imaging and visualization of chromatin, genomic loci, RNAs, and proteins. RNA aptamers, Pumilio, SuperNova tagging system, molecular beacons, halotag, bimolecular fluorescence complementation, RNA-guided endonuclease in situ labeling, and oligonucleotide-based imaging methods utilizing fluorescent proteins, organic dyes, or quantum dots have been developed to achieve improved fluorescence and signal-to-noise ratio for the imaging of chromatin or genomic loci. RNA-guided RNA targeting CRISPR systems (CRISPR/dCas13) and gene knock-in strategies based on CRISPR/Cas9 mediated site-specific cleavage and DNA repair mechanisms have been employed for efficient RNA and protein imaging, respectively. A few CRISPR-Cas-based methods to investigate the coordinated regulation of DNA-protein, DNA-RNA, or RNA-protein interactions for understanding chromatin dynamics, transcription, and protein function are also available. Overall, the CRISPR-based methods offer a significant improvement in elucidating chromatin organization and dynamics, RNA visualization, and protein imaging. The current and future advancements in CRISPR-based imaging techniques can revolutionize genome biology research for various applications.
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Affiliation(s)
- Vikram Singh
- School of Computational & Integrative Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Mukesh Jain
- School of Computational & Integrative Sciences, Jawaharlal Nehru University, New Delhi, India
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13
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Xu C, He XY, Ren XH, Cheng SX. Direct detection of intracellular miRNA in living circulating tumor cells by tumor targeting nanoprobe in peripheral blood. Biosens Bioelectron 2021; 190:113401. [PMID: 34119837 DOI: 10.1016/j.bios.2021.113401] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 05/24/2021] [Accepted: 06/01/2021] [Indexed: 02/07/2023]
Abstract
Molecular analysis of circulating tumor cells (CTCs) is of critical significance for the non-invasive early detection of tumors. However, in situ detection of intracellular nucleic acids of CTCs in whole blood still remains challenge. By using a highly efficient tumor targeting nanoprobe, we realize in situ detection of microRNA-21 (miR-21) of living CTCs in unprocessed whole blood. In the nanoprobe, a catalytic hairpin assembly (CHA) system is complexed with protamine sulfate (PS), and then decorated by SYL3C conjugated hyaluronic acid (SHA) and hyaluronic acid (HA). The CHA system can be specifically delivered into living CTCs in whole blood, followed by hybridization between the CHA system and intracellular miR-21 in CTCs to induce strong fluorescence emission. After isolation of CTCs by membrane filtration, CTCs of cancer patients can be directly visualized by a fluorescence microscope for miR-21 detection at a single-cell level. Our study provides an efficient strategy to realize in situ genomic analysis of living CTCs in whole blood.
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Affiliation(s)
- Chang Xu
- Key Laboratory of Biomedical Polymers of Ministry of Education, Department of Chemistry, Wuhan University, Wuhan, 430072, PR China
| | - Xiao-Yan He
- School of Life Sciences, Anhui Medical University, Hefei, 230032, PR China
| | - Xiao-He Ren
- Key Laboratory of Biomedical Polymers of Ministry of Education, Department of Chemistry, Wuhan University, Wuhan, 430072, PR China
| | - Si-Xue Cheng
- Key Laboratory of Biomedical Polymers of Ministry of Education, Department of Chemistry, Wuhan University, Wuhan, 430072, PR China.
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14
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Hairpin DNA-Mediated isothermal amplification (HDMIA) techniques for nucleic acid testing. Talanta 2021; 226:122146. [PMID: 33676697 DOI: 10.1016/j.talanta.2021.122146] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 01/21/2021] [Accepted: 01/24/2021] [Indexed: 01/19/2023]
Abstract
Nucleic acid detection is of great importance in a variety of areas, from life science and clinical diagnosis to environmental monitoring and food safety. Unfortunately, nucleic acid targets are always found in trace amounts and their response signals are difficult to be detected. Amplification mechanisms are then practically needed to either duplicate nucleic acid targets or enhance the detection signals. Polymerase chain reaction (PCR) is one of the most popular and powerful techniques for nucleic acid analysis. But the requirement of costly devices for precise thermo-cycling procedures in PCR has severely hampered the wide applications of PCR. Fortunately, isothermal molecular reactions have emerged as promising alternatives. The past decade has witnessed significant progress in the research of isothermal molecular reactions utilizing hairpin DNA probes (HDPs). Based on the nucleic acid strand interaction mechanisms, the hairpin DNA-mediated isothermal amplification (HDMIA) techniques can be mainly divided into three categories: strand assembly reactions, strand decomposition reactions, and strand creation reactions. In this review, we introduce the basics of HDMIA methods, including the sensing principles, the basic and advanced designs, and their wide applications, especially those benefiting from the utilization of G-quadruplexes and nanomaterials during the past decade. We also discuss the current challenges encountered, highlight the potential solutions, and point out the possible future directions in this prosperous research area.
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15
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Borum RM, Jokerst JV. Hybridizing clinical translatability with enzyme-free DNA signal amplifiers: recent advances in nucleic acid detection and imaging. Biomater Sci 2021; 9:347-366. [PMID: 32734995 PMCID: PMC7855509 DOI: 10.1039/d0bm00931h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Nucleic acids have become viable prognostic and diagnostic biomarkers for a diverse class of diseases, particularly cancer. However, the low femtomolar to attomolar concentration of nucleic acids in human samples require sensors with excellent detection capabilities; many past and current platforms fall short or are economically difficult. Strand-mediated signal amplifiers such as hybridization chain reaction (HCR) and catalytic hairpin assembly (CHA) are superior methods for detecting trace amounts of biomolecules because one target molecule triggers the continuous production of synthetic double-helical DNA. This cascade event is highly discriminatory to the target via sequence specificity, and it can be coupled with fluorescence, electrochemistry, magnetic moment, and electrochemiluminescence for signal reporting. Here, we review recent advances in enhancing the sensing abilities in HCR and CHA for improved live-cell imaging efficiency, lowered limit of detection, and optimized multiplexity. We further outline the potential for clinical translatability of HCR and CHA by summarizing progress in employing these two tools for in vivo imaging, human sample testing, and sensing-treating dualities. We finally discuss their future prospects and suggest clinically-relevant experiments to supplement further related research.
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Affiliation(s)
- Raina M Borum
- Department of NanoEngineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA.
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16
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Zhu X, Qu B, Ying ZM, Liu JW, Wu Z, Yu RQ, Jiang JH. Cascade Circuits on Self-Assembled DNA Polymers for Targeted RNA Imaging In Vivo. Anal Chem 2020; 92:15953-15958. [PMID: 33275414 DOI: 10.1021/acs.analchem.0c03400] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
DNA molecular probes have emerged as a powerful tool for RNA imaging. Hurdles in cell-specific delivery and other issues such as insufficient stability, limited sensitivity, or slow reaction kinetics, however, hinder the further application of DNA molecular probes in vivo. Herein, we report an aptamer-tethered DNA polymer for cell-specific transportation and amplified imaging of RNA in vivo via a DNA cascade reaction. DNA polymers are constructed through an initiator-triggered hybridization chain reaction using two functional DNA monomers. The prepared DNA polymers show low cytotoxicity and good stability against nuclease degradation and enable cell-specific transportation of DNA circuits via aptamer-receptor binding. Moreover, assembling the reactants of hairpins C1 and C2 on the DNA polymers accelerates the response kinetics and improves the sensitivity of the cascade reaction. We also show that the DNA polymers enable efficient imaging of microRNA-21 in live cells and in vivo via intravenous injection. The DNA polymers provide a valuable platform for targeted and amplified RNA imaging in vivo, which holds great implications for early clinical diagnosis and therapy.
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Affiliation(s)
- Xueli Zhu
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, China.,Henan Province Function-Oriented Porous Materials Key Laboratory, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang 471934, Henan, China
| | - Bin Qu
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, China
| | - Zhan-Ming Ying
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, China
| | - Jin-Wen Liu
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, China.,The First Affiliated Hospital of Guangxi Medical University, School of Preclinical Medicine & Centre for Translational Medicine, Guangxi Medical University, Nanning 530021, Guangxi, China
| | - Zhenkun Wu
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, China
| | - Ru-Qin Yu
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, China
| | - Jian-Hui Jiang
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, China
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17
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Li S, Liu X, Liu S, Guo M, Liu C, Pei M. Fluorescence sensing strategy based on aptamer recognition and mismatched catalytic hairpin assembly for highly sensitive detection of alpha-fetoprotein. Anal Chim Acta 2020; 1141:21-27. [PMID: 33248654 DOI: 10.1016/j.aca.2020.10.030] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 10/05/2020] [Accepted: 10/15/2020] [Indexed: 12/23/2022]
Abstract
At present, alpha fetoprotein (AFP) is mainly used as a serum marker of primary Hepatocellular carcinoma. A simple, enzyme-free sensing strategy is introduced for highly sensitive fluorescence detection of AFP. This detection strategy is based on aptamer recognition and mismatched catalytic hairpin assembly (MCHA). At first, Trigger is locked by aptamer before the introduction of AFP in this aptamer-MCHA system. The aptamer preferentially combines with AFP via powerful attraction in the presence of AFP. This results in the release of trigger and initiation of MCHA cycle, thus forming the H1 and H2 double chain complexes (denoted as H1@H2). Finally, H1@H2 and double chain structure containing fluorophore and its quenched group- BHQ1 (denoted as F@Q) initiated displacement reaction, which caused double chain separation and fluorescence recovery. This assay produces a wide detection range, which is from 0.1 ng mL-1 to 10 μg mL-1 and the limit of detection as 0.033 ng mL-1. The whole detection process was performed at 37 °C for 60 min. In addition, this assay had high anti-interference ability and could be used to detect AFP in clinical serum. This novel AFP detection strategy is able to screen of Hepatocellular carcinoma.
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Affiliation(s)
- Shengqiang Li
- Clinical Laboratory, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300000, China
| | - Xu Liu
- Clinical Laboratory, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300000, China
| | - Shenglin Liu
- Clinical Laboratory, Tianjin Xi Qing Hospital Tianjin, 300000, China
| | - Mei Guo
- Clinical Laboratory, Tianjin Xi Qing Hospital Tianjin, 300000, China
| | - Cuiying Liu
- Clinical Laboratory, Tianjin Xi Qing Hospital Tianjin, 300000, China.
| | - Ming Pei
- Nephrology, First Teaching Hospital of Tianjin University of Traditional Chinese Medicine Tianjin, 300000, China.
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18
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Yang Y, He Y, Deng Z, Li J, Li X, Huang J, Zhong S. An Autonomous Self-Cleavage DNAzyme Walker for Live Cell MicroRNA Imaging. ACS APPLIED BIO MATERIALS 2020; 3:6310-6318. [DOI: 10.1021/acsabm.0c00777] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Yanjing Yang
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, PR China
| | - Yao He
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, PR China
| | - Zhiwei Deng
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, PR China
| | - Jiacheng Li
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, PR China
| | - Xiufang Li
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, PR China
| | - Jin Huang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha 410082, P. R. China
| | - Shian Zhong
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, PR China
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19
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Li GL, Xia YH, Li Q. Biodegradable MnO2 nanosheet-mediated catalytic hairpin assembly for two-color imaging of mRNAs in living cells. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104367] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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20
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Xu C, He XY, Peng Y, Dai BS, Liu BY, Cheng SX. Facile Strategy To Enhance Specificity and Sensitivity of Molecular Beacons by an Aptamer-Functionalized Delivery Vector. Anal Chem 2020; 92:2088-2096. [PMID: 31855408 DOI: 10.1021/acs.analchem.9b04596] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
To enhance the specificity and sensitivity of molecular beacons (MBs) in detecting mRNA in living tumor cells, we introduced an aptamer (AS1411) to the delivery system of MBs to form an aptamer-decorated nanoprobe (ANP), which was prepared through self-assembly between AS1411-conjugated carboxymethyl chitosan (ACMC) with protamine sulfate (PS)/CaCO3/MB cores. Owing to the specific binding of AS1411 to nucleolin, which is overexpressed in tumor cell membranes and nuclei, an AS1411-decorated MB-delivery system leads to dramatically increased cell uptake of MBs for probing survivin mRNA and thus induces strong intracellular fluorescence emission in targeted tumorous cells and cell nuclei. Furthermore, we demonstrate that ANP can efficiently detect survivin mRNA in mitochondria. In other words, the effective delivery of MBs ensures the precise detection of mRNA distribution in diverse organelles. In addition, we evaluated the efficiency of ANP in probing tumor cells in simulated blood as well as in peripheral blood from a healthy donor and found that the nanoprobe can specifically deliver MBs to tumor cells and identify tumor cells in blood. The targeting delivery system we constructed holds promising applications in precise detection of subcellular distribution of mRNA in living tumor cells as well as in fluorescence-guided cancer detection in liquid biopsy technology. This study provides a facile strategy to effectively improve the specificity and sensitivity of conventional molecular beacons.
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Affiliation(s)
- Chang Xu
- Key Laboratory of Biomedical Polymers of Ministry of Education, Department of Chemistry , Wuhan University , Wuhan 430072 , P. R. China
| | - Xiao-Yan He
- Key Laboratory of Biomedical Polymers of Ministry of Education, Department of Chemistry , Wuhan University , Wuhan 430072 , P. R. China
| | - Yan Peng
- Department of Pharmacy , The Renmin Hospital of Wuhan University , Wuhan 430060 , P. R. China
| | - Bao-Sheng Dai
- Department of Clinical Laboratory , The Renmin Hospital of Wuhan University , Wuhan 430060 , P. R. China
| | - Bo-Ya Liu
- Key Laboratory of Biomedical Polymers of Ministry of Education, Department of Chemistry , Wuhan University , Wuhan 430072 , P. R. China
| | - Si-Xue Cheng
- Key Laboratory of Biomedical Polymers of Ministry of Education, Department of Chemistry , Wuhan University , Wuhan 430072 , P. R. China
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21
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Wu MJ, Tseng WL. Rapid, facile, reagentless, and room-temperature conjugation of monolayer MoS2 nanosheets with dual-fluorophore-labeled flares as nanoprobes for ratiometric sensing of TK1 mRNA in living cells. J Mater Chem B 2020; 8:1692-1698. [DOI: 10.1039/c9tb02770j] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Surface functionalization of MoS2 nanosheets with FRET-based flares was conducted for ratiometric sensing and imaging of TK1 mRNA in HeLa and MCF-7 cells.
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Affiliation(s)
- Man-Jyun Wu
- Department of Chemistry
- National Sun Yat-sen University
- Kaohsiung 80424
- Taiwan
| | - Wei-Lung Tseng
- Department of Chemistry
- National Sun Yat-sen University
- Kaohsiung 80424
- Taiwan
- School of Pharmacy
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22
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Yang XJ, Cui MR, Li XL, Chen HY, Xu JJ. A self-powered 3D DNA walker with programmability and signal-amplification for illuminating microRNA in living cells. Chem Commun (Camb) 2020; 56:2135-2138. [DOI: 10.1039/c9cc09039h] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We construct a target-triggered, self-powered 3D DNA walker for achieving intracellular signal amplification and sensitive imaging analysis of microRNAs.
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Affiliation(s)
- Xue-Jiao Yang
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Mei-Rong Cui
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Xiang-Ling Li
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Hong-Yuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
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23
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Liu J, Zhang Y, Xie H, Zhao L, Zheng L, Ye H. Applications of Catalytic Hairpin Assembly Reaction in Biosensing. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1902989. [PMID: 31523917 DOI: 10.1002/smll.201902989] [Citation(s) in RCA: 174] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2019] [Revised: 08/15/2019] [Indexed: 05/26/2023]
Abstract
Nucleic acids are considered as perfect programmable materials for cascade signal amplification and not merely as genetic information carriers. Among them, catalytic hairpin assembly (CHA), an enzyme-free, high-efficiency, and isothermal amplification method, is a typical example. A typical CHA reaction is initiated by single-stranded analytes, and substrate hairpins are successively opened, resulting in thermodynamically stable duplexes. CHA circuits, which were first proposed in 2008, present dozens of systems today. Through in-depth research on mechanisms, the CHA circuits have been continuously enriched with diverse reaction systems and improved analytical performance. After a short time, the CHA reaction can realize exponential amplification under isothermal conditions. Under certain conditions, the CHA reaction can even achieve 600 000-fold signal amplification. Owing to its promising versatility, CHA is able to be applied for analysis of various markers in vitro and in living cells. Also, CHA is integrated with nanomaterials and other molecular biotechnologies to produce diverse readouts. Herein, the varied CHA mechanisms, hairpin designs, and reaction conditions are introduced in detail. Additionally, biosensors based on CHA are presented. Finally, challenges and the outlook of CHA development are considered.
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Affiliation(s)
- Jumei Liu
- Department of Clinical Laboratory, Women and Children's Hospital, School of Medicine, Xiamen University, Xiamen, 361003, P. R. China
| | - Ye Zhang
- Department of Laboratory Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, P. R. China
| | - Huabin Xie
- Department of Clinical Laboratory, Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Xiamen, 361006, P. R. China
| | - Li Zhao
- School of Medicine, Xiamen University, Xiamen, 361102, P. R. China
| | - Lei Zheng
- Department of Laboratory Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, P. R. China
| | - Huiming Ye
- Department of Clinical Laboratory, Women and Children's Hospital, School of Medicine, Xiamen University, Xiamen, 361003, P. R. China
- School of Medicine, Xiamen University, Xiamen, 361102, P. R. China
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24
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Qin Y, Li D, Yuan R, Xiang Y. Netlike hybridization chain reaction assembly of DNA nanostructures enables exceptional signal amplification for sensing trace cytokines. NANOSCALE 2019; 11:16362-16367. [PMID: 31435631 DOI: 10.1039/c9nr04988f] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The monitoring and detection of molecular biomarkers play crucial roles in disease diagnosis and treatment. In this work, we proposed a target-responsive netlike hybridization chain reaction (nHCR) DNA nanostructure construction method, which can offer an exceptional signal enhancement, for highly sensitive fluorescence detection of cytokine, interferon-gamma (IFN-γ). The presence of the target cytokine can lead to the conformational change of the aptamer recognition hairpin probes and the liberation of the nHCR initiator strands, which further trigger the nHCR process between two dye-labeled and double hairpin-structured probes to form netlike DNA nanostructures. The formation of the DNA nanostructures brings the dyes into close proximity, resulting in significantly amplified fluorescence resonance energy transfer signals for sensitive and enzyme-free detection of IFN-γ. The present method has a detection limit of 1.2 pM and a dynamic linear range of 5 to 1000 pM for IFN-γ detection. Besides, with the high specificity of the aptamer probe and the significant signal amplification of the nHCR, such an IFN-γ detection strategy shows excellent selectivity and high sensitivity, which can be potentially applied to detect IFN-γ in human serums. With such a demonstration of the detection of IFN-γ, this proposed method can be extended for detecting different types of biomolecules.
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Affiliation(s)
- Yao Qin
- Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Daxiu Li
- Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Ruo Yuan
- Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Yun Xiang
- Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
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25
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Zhu MH, Mu XM, Deng HM, Zhong X, Yuan R, Yuan YL. Ultrasensitive photoelectrochemical biosensor for MiRNA-21 assay based on target-catalyzed hairpin assembly coupled with distance-controllable multiple signal amplification. Chem Commun (Camb) 2019; 55:9622-9625. [PMID: 31342017 DOI: 10.1039/c9cc04987h] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Here, with the target-catalyzed hairpin assembly generated dsDNA (HP1-HP2) to synchronously control the departure of quencher ferrocene and approach of sensitizer methylene blue, a distance-controllable multiple signal amplification based photoelectrochemical biosensor was proposed for MiRNA-21 assay.
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Affiliation(s)
- Ming-Hui Zhu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Xiao-Mei Mu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Han-Mei Deng
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Xia Zhong
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Ruo Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
| | - Ya-Li Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
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