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Song Y, Mao C, Zhang W, Deng D, Chen H, Sun P, Liu M, Feng C, Luo L. Catalytic hairpin assembly-based AIEgen/graphene oxide nanocomposite for fluorescence-enhanced and high-precision spatiotemporal imaging of microRNA in living cells. Biosens Bioelectron 2024; 259:116416. [PMID: 38797033 DOI: 10.1016/j.bios.2024.116416] [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: 04/02/2024] [Revised: 05/15/2024] [Accepted: 05/20/2024] [Indexed: 05/29/2024]
Abstract
The low abundance, heterogeneous expression, and temporal changes of miRNA in different cellular locations pose significant challenges for both the detection sensitivity of miRNA liquid biopsy and intracellular imaging. In this work, we report an intelligently assembled biosensor based on catalytic hairpin assembly (CHA) and aggregation-induced emission (AIE), named as catalytic hairpin aggregation-induced emission (CHAIE), for the ultrasensitive detection and intracellular imaging of miRNA-155. To achieve such goal, tetraphenylethylene-N3 (TPE-N3) is used as AIE luminogen (AIEgen), while graphene oxide is introduced to quench the fluorescence. When the target miRNA is present, CHA reaction is triggered, causing the AIEgen to self-assemble with the hairpin DNA. This will restrict the intramolecular rotation of the AIEgen and produce a strong AIE fluorescence. Interestingly, CHAIE does not require any enzyme or expensive thermal cycling equipment, and therefore provides a rapid detection. Under optimal conditions, the proposed biosensor can determine miRNA in the concentration range from 2 pM to 200 nM within 30 min, with the detection limit of 0.42 pM. The proposed CHAIE biosensor in this work offers a low background signal and high sensitivity, making it applicable for highly precise spatiotemporal imaging of target miRNA in living cells.
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Affiliation(s)
- Yuchen Song
- College of Sciences, Shanghai University, Shanghai, 200444, PR China
| | - Changqing Mao
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, 200444, PR China
| | - Wenjiao Zhang
- College of Sciences, Shanghai University, Shanghai, 200444, PR China
| | - Dongmei Deng
- College of Sciences, Shanghai University, Shanghai, 200444, PR China.
| | - Huinan Chen
- College of Sciences, Shanghai University, Shanghai, 200444, PR China
| | - Pei Sun
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, 200444, PR China
| | - Meiyin Liu
- College of Sciences, Shanghai University, Shanghai, 200444, PR China
| | - Chang Feng
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai, 200444, PR China.
| | - Liqiang Luo
- College of Sciences, Shanghai University, Shanghai, 200444, PR China.
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Ou X, Li K, Liu M, Song J, Zuo Z, Guo Y. EXPAR for biosensing: recent developments and applications. Analyst 2024; 149:4135-4157. [PMID: 39034763 DOI: 10.1039/d4an00609g] [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: 07/23/2024]
Abstract
Emerging as a promising novel amplification technique, the exponential amplification reaction (EXPAR) offers significant advantages due to its potent exponential amplification capability, straightforward reaction design, rapid reaction kinetics, and isothermal operation. The past few years have witnessed swift advancements and refinements in EXPAR-based technologies, with numerous high-performance biosensing systems documented. A deeper understanding of the EXPAR mechanism has facilitated the proposal of novel strategies to overcome limitations inherent to traditional EXPAR. Furthermore, the synergistic integration of EXPAR with diverse amplification methodologies, including the use of a CRISPR/Cas system, metal nanoparticles, aptamers, alternative isothermal amplification techniques, and enzymes, has significantly bolstered analytical efficacy, aiming to enhance specificity, sensitivity, and amplification efficiency. This comprehensive review presents a detailed exposition of the EXPAR mechanism and analyzes its primary challenges. Additionally, we summarize the latest research advancements in the biomedical field concerning the integration of EXPAR with diverse amplification technologies for sensing strategies. Finally, we discuss the challenges and future prospects of EXPAR technology in the realms of biosensing and clinical applications.
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Affiliation(s)
- Xinyi Ou
- Nanobiosensing and Microfluidic Point-of-Care Testing, Key Laboratory of Luzhou, Department of Clinical Laboratory, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, PR China.
- Department of Laboratory Medicine, The Affiliated Hospital, Southwest Medical University, PR China
| | - Kunxiang Li
- Nanobiosensing and Microfluidic Point-of-Care Testing, Key Laboratory of Luzhou, Department of Clinical Laboratory, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, PR China.
- Department of Laboratory Medicine, The Affiliated Hospital, Southwest Medical University, PR China
| | - Miao Liu
- Nanobiosensing and Microfluidic Point-of-Care Testing, Key Laboratory of Luzhou, Department of Clinical Laboratory, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, PR China.
| | - Jiajun Song
- Nanobiosensing and Microfluidic Point-of-Care Testing, Key Laboratory of Luzhou, Department of Clinical Laboratory, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, PR China.
- Department of Laboratory Medicine, The Affiliated Hospital, Southwest Medical University, PR China
| | - Zhihua Zuo
- Department of Clinical Laboratory, Nanchong Central Hospital, The Second Clinical Medical College of North Sichuan Medical College, Nanchong, Sichuan, 637003, PR China.
| | - Yongcan Guo
- Nanobiosensing and Microfluidic Point-of-Care Testing, Key Laboratory of Luzhou, Department of Clinical Laboratory, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, 646000, PR China.
- Department of Laboratory Medicine, The Affiliated Hospital, Southwest Medical University, PR China
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3
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Tregub PP, Ibrahimli I, Averchuk AS, Salmina AB, Litvitskiy PF, Manasova ZS, Popova IA. The Role of microRNAs in Epigenetic Regulation of Signaling Pathways in Neurological Pathologies. Int J Mol Sci 2023; 24:12899. [PMID: 37629078 PMCID: PMC10454825 DOI: 10.3390/ijms241612899] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 08/11/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
In recent times, there has been a significant increase in researchers' interest in the functions of microRNAs and the role of these molecules in the pathogenesis of many multifactorial diseases. This is related to the diagnostic and prognostic potential of microRNA expression levels as well as the prospects of using it in personalized targeted therapy. This review of the literature analyzes existing scientific data on the involvement of microRNAs in the molecular and cellular mechanisms underlying the development of pathologies such as Alzheimer's disease, cerebral ischemia and reperfusion injury, and dysfunction of the blood-brain barrier.
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Affiliation(s)
- Pavel P. Tregub
- Department of Pathophysiology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
- Scientific and Educational Resource Center “Innovative Technologies of Immunophenotyping, Digital Spatial Profiling and Ultrastructural Analysis”, RUDN University, 117198 Moscow, Russia
- Research Center of Neurology, 125367 Moscow, Russia
| | - Irada Ibrahimli
- Department of Pathophysiology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | | | - Alla B. Salmina
- Research Center of Neurology, 125367 Moscow, Russia
- Research Institute of Molecular Medicine and Pathobiochemistry, Prof. V. F. Voino-Yasenetsky Krasnoyarsk State Medical University, 660022 Krasnoyarsk, Russia
| | - Peter F. Litvitskiy
- Department of Pathophysiology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Zaripat Sh. Manasova
- Department of Pathophysiology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Inga A. Popova
- Department of Pathophysiology, I.M. Sechenov First Moscow State Medical University, 119991 Moscow, Russia
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CRISPR-Cas12a-assisted elimination of the non-specific signal from non-specific amplification in the Exponential Amplification Reaction. Anal Chim Acta 2023; 1251:340998. [PMID: 36925288 DOI: 10.1016/j.aca.2023.340998] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/13/2023] [Accepted: 02/21/2023] [Indexed: 02/24/2023]
Abstract
Non-specific amplification is a major problem in nucleic acid amplification resulting in false-positive results, especially for exponential amplification reactions (EXPAR). Although efforts were made to suppress the influence of non-specific amplification, such as chemical blocking of the template's 3'-ends and sequence-independent weakening of template-template interactions, it is still a common problem in many conventional EXPAR reactions. In this study, we propose a novel strategy to eliminate the non-specific signal from non-specific amplification by integrating the CRISPR-Cas12a system into two-templates EXPAR. An EXPAR-Cas12a strategy named EXPCas was developed, where the Cas12a system acted as a filter to filter out non-specific amplificons in EXPAR, suppressing and eliminating the influence of non-specific amplification. As a result, the signal-to-background ratio was improved from 1.3 to 15.4 using this method. With microRNA-21 (miRNA-21) as a target, the detection can be finished in 40 min with a LOD of 103 fM and no non-specific amplification was observed.
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Bodulev OL, Sakharov IY. A Microtiter-Plate Chemiluminescence Method for the Determination of MicroRNA-141 Based on the Application of Catalytic Hairpin Assembly and a Streptavidin–Polyperoxidase Conjugate. JOURNAL OF ANALYTICAL CHEMISTRY 2022. [DOI: 10.1134/s1061934822040050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Yang H, Weng B, Liu S, Kang N, Ran J, Deng Z, Wang H, Yang C, Wang F. Acid-improved DNAzyme-based chemiluminescence miRNA assay coupled with enzyme-free concatenated DNA circuit. Biosens Bioelectron 2022; 204:114060. [DOI: 10.1016/j.bios.2022.114060] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/19/2022] [Accepted: 01/31/2022] [Indexed: 02/08/2023]
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Magnetic ionic liquids as microRNA extraction solvents and additives for the exponential amplification reaction. Anal Chim Acta 2021; 1181:338900. [PMID: 34556230 DOI: 10.1016/j.aca.2021.338900] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/28/2021] [Accepted: 07/30/2021] [Indexed: 12/24/2022]
Abstract
The detection of microRNAs (miRNAs) from highly complex matrices has become an area of immense interest as their characterization in biological samples has been utilized for disease diagnosis and body fluid identification. However, conventional northern blotting miRNA detection lacks the sensitivity required to detect circulating miRNAs. Additionally, polymerase chain reaction-based methods for miRNA detection require modified oligonucleotides that are difficult to design. Exponential amplification reaction (EXPAR) is an isothermal amplification method used for miRNA detection that is simple to design but suffers from non-specific amplification that masks low concentration miRNAs. Previous studies have shown that magnetic ionic liquids (MILs) are a promising alternative to traditional nucleic acid extraction methods capable of preconcentrating DNA from complex matrices. In this study, three hydrophobic magnetic ionic liquids (MILs) were investigated as EXPAR additives and miRNA extraction solvents. The addition of MIL to the EXPAR buffer decreased the background signal from non-specific amplification and increased the reaction rate. Reactions containing MIL could detect miRNA at concentration levels down to 10 aM. In comparison, reactions that did not contain MIL could not discriminate 10 fM lethal-7a (let-7a) standards from the no trigger control (NTC). All three MILs extracted miRNA from 2-fold diluted plasma, artificial urine, and artificial saliva with only a 1 min dispersion step. By integrating the miRNA-enriched MIL into the EXPAR buffer, the extraction and detection of femtomolar concentrations of miRNA required only 10 min. In contrast, conventional spin column kits require at least 20 min to isolate miRNA, indicating that a dispersive MIL-based extraction is ideal for high throughput analysis of miRNA.
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Bodulev OL, Zhao S, Sakharov IY. Improving the Sensitivity of the miRNA Assay Coupled with the Mismatched Catalytic Hairpin Assembly Reaction by Optimization of Hairpin Annealing Conditions. Anal Chem 2021; 93:6824-6830. [PMID: 33899474 DOI: 10.1021/acs.analchem.1c00820] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The mismatched catalytic hairpin assembly (mCHA), a programmable oligonucleotide circuit, is one of the promising isothermal amplification methods used in nucleic acid detection. Its limitations are related to a high background noise observed due to the target-independent hybridization of the reacting hairpins (HPs). In this work, it was shown that the introduction of salts such as NaCl and MgCl2 to HP1/HP2 annealing solutions sharply reduces the background in mCHA and simultaneously increases the signal-to-background (S/B) ratio. A comparison of the salts demonstrated the higher activity of MgCl2 as compared to NaCl. A similar effect of reducing the background was observed with a decrease in the concentration of H1/H2 probes in annealing solutions. Using the favorable annealing conditions allowed the development of an ultrasensitive chemiluminescence assay coupled with mCHA for miRNA quantitation. Except mCHA, the use of a streptavidin-polyHRP conjugate and an enhanced chemiluminescence reaction additionally increased the assay sensitivity. Notably, the optimization of the HP annealing diminished the detection limit of the assay by 2 orders of magnitude and increased the sensitivity and precision of miRNA-141 determination. The discovered fact of reducing the background by the variation of HP annealing conditions may be valuable not only for the mCHA performance but also likely for other HP-based biochemical methods.
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Affiliation(s)
- Oleg L Bodulev
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, bldg. 1, Moscow 119991, Russia
| | - Shulin Zhao
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin 541004, China
| | - Ivan Yu Sakharov
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory, bldg. 1, Moscow 119991, Russia
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Solovjev AM, Galkin II, Pletjushkina OY, Medvedko AV, Zhao S, Sakharov IY. Isothermal chemiluminescent assay based on circular stand-displacement polymerization reaction amplification for cel-miRNA-39-3p determination in cell extracts. Int J Biol Macromol 2021; 182:987-992. [PMID: 33887290 DOI: 10.1016/j.ijbiomac.2021.04.101] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/14/2021] [Accepted: 04/16/2021] [Indexed: 12/26/2022]
Abstract
A sensitive and specific heterogeneous assay for quantitation of cel-miRNA-39-3p (miRNA-39) was constructed. To improve the assay sensitivity an amplification strategy based on the use of isothermal circular strand-displacement polymerization reaction (ICSDPR), polyperoxidase conjugated with streptavidin and enhanced chemiluminescence was used. The detection limit of the proposed assay was 4 × 10-13 M. The coefficient of variation (CV) for quantitation of miRNA-39 within the working range was below 8%. The study of cross-reactivity of different miRNAs including miRNA-39 demonstrated high specificity of the proposed assay. Comparison of the calibration curves of miRNA-39 dissolved in the buffer and the lysate of MCF-7 cells (prepared by lysis of the cells with phenol/guanidine thiocyanate mixture and purified using silica membrane spin column) has demonstrated a negligible matrix effect. The proposed assay makes it possible to estimate the yield of purification of miRNAs from cells, which is necessary for the quantitative calculation of the intracellular content of miRNAs measured with the isothermal assay coupled with ICSDPR.
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Affiliation(s)
- Anton M Solovjev
- Department of Chemistry, Lomonosov Moscow State University, Leninskie gory, bldg.1, Moscow 119991, Russia
| | - Ivan I Galkin
- A.N. Belozersky Research Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Leninskie gory, bldg.1, Moscow 119992, Russia
| | - Olga Yu Pletjushkina
- A.N. Belozersky Research Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Leninskie gory, bldg.1, Moscow 119992, Russia
| | - Alexey V Medvedko
- N.D. Zelinsky Institute of Organic Chemistry RAS, Leninsky prospect, 47, Moscow 119991, Russia
| | - Shulin Zhao
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin 541004, China
| | - Ivan Yu Sakharov
- Department of Chemistry, Lomonosov Moscow State University, Leninskie gory, bldg.1, Moscow 119991, Russia.
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