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Pramod M, Alnajjar MA, Schöpper SN, Schwarzlose T, Nau WM, Hennig A. Adamantylglycine as a high-affinity peptide label for membrane transport monitoring and regulation. Chem Commun (Camb) 2024; 60:4810-4813. [PMID: 38602391 DOI: 10.1039/d4cc00602j] [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: 04/12/2024]
Abstract
The non-canonical amino acid adamantylglycine (Ada) is introduced into peptides to allow high-affinity binding to cucurbit[7]uril (CB7). Introduction of Ada into a cell-penetrating peptide (CPP) sequence had minimal influence on the membrane transport, yet enabled up- and down-regulation of the membrane transport activity.
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Affiliation(s)
- Malavika Pramod
- Center for Cellular Nanoanalytics (CellNanOs) and Department of Biology and Chemistry, Universität Osnabrück, Barbarastraße 7, Osnabrück 49069, Germany.
| | - Mohammad A Alnajjar
- Center for Cellular Nanoanalytics (CellNanOs) and Department of Biology and Chemistry, Universität Osnabrück, Barbarastraße 7, Osnabrück 49069, Germany.
| | - Sandra N Schöpper
- Center for Cellular Nanoanalytics (CellNanOs) and Department of Biology and Chemistry, Universität Osnabrück, Barbarastraße 7, Osnabrück 49069, Germany.
| | - Thomas Schwarzlose
- School of Science, Constructor University, Campus Ring 1, Bremen 28759, Germany.
| | - Werner M Nau
- School of Science, Constructor University, Campus Ring 1, Bremen 28759, Germany.
| | - Andreas Hennig
- Center for Cellular Nanoanalytics (CellNanOs) and Department of Biology and Chemistry, Universität Osnabrück, Barbarastraße 7, Osnabrück 49069, Germany.
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2
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Milićević D, Hlaváč J. Novel Peptide-Based Fluorescent Probe for Simultaneous Sensing of Chymotrypsin and Hydrogen Peroxide. ACS OMEGA 2024; 9:17481-17490. [PMID: 38645371 PMCID: PMC11024966 DOI: 10.1021/acsomega.4c00303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/20/2024] [Accepted: 03/26/2024] [Indexed: 04/23/2024]
Abstract
The developed multifunctional fluorescent probe enables the simultaneous detection of chymotrypsin as a model protease and hydrogen peroxide as a representative of reactive oxygen species (ROS) in biologically relevant concentration ranges. The chymotrypsin sensing is based on the cleavage of its selectively recognizable peptide sequence and the consequent disruption of FRET between coumarin (DEAC) and fluorescein (FL). Analogously, the presence of hydrogen peroxide causes the gradual degradation of the H2O2-labile benzopyrylium-coumarin (BC) dye. Considering the fluorescence emission responses of individual chymotrypsin-peroxide probe-attached fluorophores after their excitation at 425 nm, the sole presence of either chymotrypsin (50-1000 ng/mL) or hydrogen peroxide (10-200 μM) in a sample could be unambiguously confirmed or refuted. In addition, reliable simultaneous detection and approximate quantification of both studied species in the concentration ranges of 100-1000 ng/mL and 20-200 μM for chymotrypsin and H2O2, respectively, could be performed as well. The obtained results are summarized and visualized in the graphical models.
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Affiliation(s)
- David Milićević
- Department of Organic Chemistry,
Faculty of Science, Palacký University
Olomouc, 17. Listopadu 12, 771 46 Olomouc, Czech Republic
| | - Jan Hlaváč
- Department of Organic Chemistry,
Faculty of Science, Palacký University
Olomouc, 17. Listopadu 12, 771 46 Olomouc, Czech Republic
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3
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Yuan X, Liu T, Luo K, Xie C, Zhou L. Neo-construction of a SO 2-tunable near-infrared ratiometric fluorescent probe for high-fidelity diagnosis and evaluation hazards of Cd 2+-induced liver injury. JOURNAL OF HAZARDOUS MATERIALS 2024; 466:133653. [PMID: 38301443 DOI: 10.1016/j.jhazmat.2024.133653] [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: 12/17/2023] [Revised: 01/18/2024] [Accepted: 01/26/2024] [Indexed: 02/03/2024]
Abstract
Cadmium-contaminated water and food are seriously hazardous to the human health, especially liver injury. To understand the entanglement relationship between cadmium ion (Cd2+)-induced liver injury and the biomarker sulfur dioxide (SO2), a reliable bioanalytical tool is urgently needed, detecting SO2 to diagnose and evaluate the extent of liver injury in vivo. Herein, based on the Förster resonance energy transfer (FRET) mechanism, a novel SO2-tunable NIR ratiometric fluorescent probe (SMP) was developed, it was used to diagnose and treat liver injury induced by Cd2+ in biosystems. Specifically, it was constructed by conjugating a NIR dicyanoisophorone with a NIR benzopyranate as the donor and acceptor, respectively, and the ratiometric response of SO2- regulated by the Michael addition reaction. In addition, SMP exhibits rapid reaction time (<15 s), two well-resolved emission peaks (68 nm) with less cross-talk between channels for high imaging resolution, superior selectivity, and low limit of detection (LOD=80.3 nM) for SO2 detection. Impressively, SMP has been successfully used for intracellular ratiometric imaging of Cd2+-induced SO2 and diagnostic and therapeutic evaluation in liver injury mice models with satisfactory results. Therefore, SMP may provide a powerful molecular tool for revealing the occurrence and development relationship between SO2 and Cd2+-induced liver injury. ENVIRONMENTAL IMPLICATION: Cadmium ions are one of the well-known toxic environmental pollutants, which are enriched in the human body through inhalation of cadmium-contaminated air or from the food chain, leading to damage in various organs, especially liver injury. Therefore, we developed a novel fluorescent probe that can specifically detect SO2 in Cd2+-induced liver injury, which is critically important for the diagnosis and evaluation of Cd2+-induced liver injury diseases. The specific detection of SO2 of this probe has been successfully demonstrated in live HepG2 cells and Cd2+-induced liver injury mice.
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Affiliation(s)
- Xiaomin Yuan
- Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Ting Liu
- Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Kun Luo
- Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Can Xie
- Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Liyi Zhou
- Central South University of Forestry and Technology, Changsha, Hunan 410004, China.
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4
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Li Z, Yi Y, Liu L, Wu H. One step forward for nanopore protein sequencing. Clin Transl Med 2024; 14:e1615. [PMID: 38468491 PMCID: PMC10928323 DOI: 10.1002/ctm2.1615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 02/19/2024] [Indexed: 03/13/2024] Open
Affiliation(s)
- Ziyi Li
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Analytical Chemistry for Living BiosystemsInstitute of Chemistry Chinese Academy of SciencesBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Yakun Yi
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Analytical Chemistry for Living BiosystemsInstitute of Chemistry Chinese Academy of SciencesBeijingChina
- University of Chinese Academy of SciencesBeijingChina
| | - Lei Liu
- Key Laboratory for Biomedical Effects of Nanomaterials and NanosafetyInstitute of High Energy Physics Chinese Academy of SciencesBeijingChina
| | - Hai‐Chen Wu
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Analytical Chemistry for Living BiosystemsInstitute of Chemistry Chinese Academy of SciencesBeijingChina
- University of Chinese Academy of SciencesBeijingChina
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5
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Zhang Y, Yi Y, Li Z, Zhou K, Liu L, Wu HC. Peptide sequencing based on host-guest interaction-assisted nanopore sensing. Nat Methods 2024; 21:102-109. [PMID: 37957431 DOI: 10.1038/s41592-023-02095-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 10/20/2023] [Indexed: 11/15/2023]
Abstract
Direct protein sequencing technologies with improved sensitivity and throughput are still needed. Here, we propose an alternative method for peptide sequencing based on enzymatic cleavage and host-guest interaction-assisted nanopore sensing. We serendipitously discovered that the identity of any proteinogenic amino acid in a particular position of a phenylalanine-containing peptide could be determined via current blockage during translocation of the peptide through α-hemolysin nanopores in the presence of cucurbit[7]uril. Building upon this, we further present a proof-of-concept demonstration of peptide sequencing by sequentially cleaving off amino acids from C terminus of a peptide with carboxypeptidases, and then determining their identities and sequence with a peptide probe in nanopore. With future optimization, our results point to a different way of nanopore-based protein sequencing.
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Affiliation(s)
- Yun Zhang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yakun Yi
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Ziyi Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Ke Zhou
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
| | - Lei Liu
- Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China.
| | - Hai-Chen Wu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China.
- University of Chinese Academy of Sciences, Beijing, China.
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6
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Liu J, Xu Z, Meng C, Wusiman S, Xie X, Wang Y, Xiao F, Gu C, Chen J, Ling CC, Li P, Yuan Z, Ling Y. Acidic tumor microenvironment-activatable fluorescent diagnostic probe for the rapid identification and resection of human tumors via spraying. Biosens Bioelectron 2023; 234:115343. [PMID: 37167656 DOI: 10.1016/j.bios.2023.115343] [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: 01/20/2023] [Revised: 04/16/2023] [Accepted: 04/20/2023] [Indexed: 05/13/2023]
Abstract
A fluorescent diagnostic probe for real-time intraoperative image-guided tumor resection can significantly improve the efficiency and quality of oncological therapy, but their development is challenging. Herein, a novel fluorescent diagnostic probe called HLTC based on β-carboline was designed and synthesized. HLTC was found to show a ∼10-fold enhancement of fluorescence quantum field with pH from 7.4 to 4.0, indicating its imaging potential in acid environment which is a typical hallmark of the tumor microenvironment (TME). Following fluorescence microscopy imaging showed HLTC could emit specific signals in cancer cells and sections, by both one-photon excitation and two-photon excitation. Importantly, HLTC enabled the precise and rapid delineation of both transplanted tumor and clinical tumor tissues within several minutes of simple topical spray. The tumor-to-background ratio (TBR) was up to 10.2 ± 1.0 at clinical liver cancer tissues and 9.9 ± 0.3 at clinical colon cancer tissues, allowing precise tumor margin identification and the effective guidance of surgical tumor resection. Furthermore, CCK8 assay, pharmacokinetic evaluation, blood analysis and H&E staining were performed, which verified high biocompatibility and biosafety of HLTC at working concentration. These results reveal the exciting potential of this small-molecule fluorescent diagnostic probe for real-time fluorescence-based navigation during surgical tumor resection.
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Affiliation(s)
- Ji Liu
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China; Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, 639 Longmian Road, Jiangning District, Nanjing, 210009, China
| | - Zhongyuan Xu
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China
| | - Chi Meng
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China
| | - Sainaiwaiergul Wusiman
- Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, 639 Longmian Road, Jiangning District, Nanjing, 210009, China
| | - Xudong Xie
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China
| | - Yichen Wang
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China
| | - Feng Xiao
- Department of Pathology, Nantong Third People's Hospital and the Third Affiliated Hospital of Nantong University, Nantong, 226001, China
| | - Chunyan Gu
- Department of Pathology, Nantong Third People's Hospital and the Third Affiliated Hospital of Nantong University, Nantong, 226001, China
| | - Jun Chen
- Department of Hepatobiliary Surgery, Nantong Third People's Hospital and the Third Affiliated Hospital of Nantong University, Nantong, 226001, China
| | - Chang-Chun Ling
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, China
| | - Peng Li
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, 226001, China
| | - Zhenwei Yuan
- Department of Biomedical Engineering, School of Engineering, China Pharmaceutical University, 639 Longmian Road, Jiangning District, Nanjing, 210009, China.
| | - Yong Ling
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University, Nantong, 226001, China.
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7
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Qi M, Shi P, Zhang X, Cui S, Liu Y, Zhou S, Zhang Q. Reconfigurable DNA triplex structure for pH responsive logic gates †. RSC Adv 2023; 13:9864-9870. [PMID: 36998523 PMCID: PMC10043996 DOI: 10.1039/d3ra00536d] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 03/16/2023] [Indexed: 03/30/2023] Open
Abstract
The DNA triplex is a special DNA structure often used as a logic gate substrate due to its high stability, programmability, and pH responsiveness. However, multiple triplex structures with different C−G−C+ proportions must be introduced into existing triplex logic gates due to the numerous logic calculations involved. This requirement complicates circuit design and results in many reaction by-products, greatly restricting the construction of large-scale logic circuits. Thus, we designed a new reconfigurable DNA triplex structure (RDTS) and constructed the pH-responsive logic gates through its conformational change that uses two types of logic calculations, ‘AND’ and ‘OR’. The use of these logic calculations necessitates fewer substrates, further enhancing the extensibility of the logic circuit. This result is expected to promote the development of the triplex in molecular computing and facilitate the completion of large-scale computing networks. We constructed pH-responsive logic gates through substrate conformational change that uses two types of logic calculations, ‘AND’ and ‘OR’. Our logic gates necessitate fewer substrates when two types of logic calculations are needed.![]()
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Affiliation(s)
- Mingxuan Qi
- Key Laboratory of Advanced Design and Intelligent Computing, Ministry of Education, School of Software Engineering, Dalian UniversityDalian 116622China
| | - Peijun Shi
- School of Computer Science and Technology, Dalian University of TechnologyDalian 116024China
| | - Xiaokang Zhang
- School of Computer Science and Technology, Dalian University of TechnologyDalian 116024China
| | - Shuang Cui
- School of Computer Science and Technology, Dalian University of TechnologyDalian 116024China
| | - Yuan Liu
- School of Computer Science and Technology, Dalian University of TechnologyDalian 116024China
| | - Shihua Zhou
- Key Laboratory of Advanced Design and Intelligent Computing, Ministry of Education, School of Software Engineering, Dalian UniversityDalian 116622China
| | - Qiang Zhang
- Key Laboratory of Advanced Design and Intelligent Computing, Ministry of Education, School of Software Engineering, Dalian UniversityDalian 116622China
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8
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Wang Y, Zhu Z, Yu C, Wu R, Zhu J, Li B. Lego-Like Catalytic Hairpin Assembly Enables Controllable DNA-Oligomer Formation and Spatiotemporal Amplification in Single Molecular Signaling. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206283. [PMID: 36436946 DOI: 10.1002/smll.202206283] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/14/2022] [Indexed: 06/16/2023]
Abstract
While the solid-state nanopore shows increasing potential during sensitive and label-free single molecular analysis, target concentration and signal amplification method is in urgent need. In this article, a solution via designing a model nucleic acid circuit reaction that can produce "Y" shape-structure three-way DNA oligomers with controllable size and polymerization degree is proposed. Such a so-called lego-like three-way catalytic hairpin assembly (LK-3W-CHA) can provide both concentration amplification (via CHA circuit) and programmable size control (via lego-like building mode) to enhance spatiotemporal resolution in single molecular sensing of solid-state nanopore. Oligomers containing 1-4 DNA three-way junctions (Y monomers, Y1-Y4) are designed in proof-of-concept experiments and applications. When the oligomers are applied to direct translocation measurements, Y2-Y4 can significantly increase the signal resolution and stability than that of Y1. Meanwhile, Y1 to Y4 can be used as the tags on the long DNA carrier to provide very legible secondary signals for specific identification, multiple assays, and information storage. Compared with other possible tags, Y1-Y4 provides higher signal density and amplitude, and quasi-linear "inner reference" for each other, which may provide more systematic, reliable, and controllable experimental results.
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Affiliation(s)
- Yesheng Wang
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
- University of Science & Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Zhentong Zhu
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730070, P. R. China
| | - Chunmiao Yu
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
- University of Science & Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Ruiping Wu
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
- University of Science & Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Jinbo Zhu
- Cavendish Lab, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Bingling Li
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
- University of Science & Technology of China, Hefei, Anhui, 230026, P. R. China
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9
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Wei X, Wang X, Zhang Z, Luo Y, Wang Z, Xiong W, Jain PK, Monnier JR, Wang H, Hu TY, Tang C, Albrecht H, Liu C. A click chemistry amplified nanopore assay for ultrasensitive quantification of HIV-1 p24 antigen in clinical samples. Nat Commun 2022; 13:6852. [PMID: 36369146 PMCID: PMC9651128 DOI: 10.1038/s41467-022-34273-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 10/19/2022] [Indexed: 11/13/2022] Open
Abstract
Despite major advances in HIV testing, ultrasensitive detection of early infection remains challenging, especially for the viral capsid protein p24, which is an early virological biomarker of HIV-1 infection. Here, To improve p24 detection in patients missed by immunological tests that dominate the diagnostics market, we show a click chemistry amplified nanopore (CAN) assay for ultrasensitive quantitative detection. This strategy achieves a 20.8 fM (0.5 pg/ml) limit of detection for HIV-1 p24 antigen in human serum, demonstrating 20~100-fold higher analytical sensitivity than nanocluster-based immunoassays and clinically used enzyme-linked immunosorbent assay, respectively. Clinical validation of the CAN assay in a pilot cohort shows p24 quantification at ultra-low concentration range and correlation with CD4 count and viral load. We believe that this strategy can improve the utility of p24 antigen in detecting early infection and monitoring HIV progression and treatment efficacy, and also can be readily modified to detect other infectious diseases.
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Affiliation(s)
- Xiaojun Wei
- Biomedical Engineering Program, University of South Carolina, Columbia, SC, 29208, USA
- Department of Chemical Engineering, University of South Carolina, Columbia, SC, 29208, USA
| | - Xiaoqin Wang
- Department of Chemical Engineering, University of South Carolina, Columbia, SC, 29208, USA
| | - Zehui Zhang
- Biomedical Engineering Program, University of South Carolina, Columbia, SC, 29208, USA
| | - Yuanyuan Luo
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
| | - Zixin Wang
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
| | - Wen Xiong
- Department of Chemical Engineering, University of South Carolina, Columbia, SC, 29208, USA
| | - Piyush K Jain
- Department of Chemical Engineering, University of Florida, Gainesville, FL, 32611, USA
- Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, FL, 32610, USA
- UF Health Cancer Center, University of Florida, Gainesville, FL, 32608, USA
| | - John R Monnier
- Department of Chemical Engineering, University of South Carolina, Columbia, SC, 29208, USA
| | - Hui Wang
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
| | - Tony Y Hu
- Center for Cellular and Molecular Diagnostics, Tulane University School of Medicine, New Orleans, LA, 70112, USA
- Department of Biochemistry and Molecular Biology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Chuanbing Tang
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA
| | - Helmut Albrecht
- Department of Internal Medicine, School of Medicine, University of South Carolina, Columbia, SC, 29209, USA
- Center of Infectious Diseases Research and Policy, Prisma Health, Columbia, SC, 29203, USA
| | - Chang Liu
- Biomedical Engineering Program, University of South Carolina, Columbia, SC, 29208, USA.
- Department of Chemical Engineering, University of South Carolina, Columbia, SC, 29208, USA.
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10
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Xiao Y, Ren J, Wang Y, Chen X, Zhou S, Li M, Gao F, Liang L, Wang D, Ren G, Wang L. De novo profiling of insect-resistant proteins of rice via nanopore peptide differentiation. Biosens Bioelectron 2022; 212:114415. [DOI: 10.1016/j.bios.2022.114415] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/02/2022] [Accepted: 05/18/2022] [Indexed: 12/13/2022]
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11
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Tan X, Lv C, Chen H. Advances of nanopore-based sensing techniques for contaminants evaluation of food and agricultural products. Crit Rev Food Sci Nutr 2022; 63:10866-10879. [PMID: 35687354 DOI: 10.1080/10408398.2022.2085238] [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] [Indexed: 11/03/2022]
Abstract
Food safety assurance systems are becoming more stringent in response to the growing food safety problems. Rapid, sensitive, and reliable detection technology is a prerequisite for the establishment of food safety assurance systems. Nanopore technology has been taken as one of the emerging technology capable of dealing with the detection of harmful contaminants as efficiently as possible due to the advantage of label-free, high-throughput, amplification-free, and rapid detection features. Start with the history of nanopore techniques, this review introduced the underlying knowledge of detection mechanism of nanopore-based sensing techniques. Meanwhile, sensing interfaces for the construction of nanopore sensors are comprehensively summarized. Moreover, this review covers the current advances of nanopore techniques in the application of food safety screening. Currently, the establishment of nanopore sensing devices is mainly based on the blocking current phenomenon. Sensing interfaces including biological nanopores, solid-state nanopores, DNA origami, and de novo designed nanopores can be used in the manufacture of sensing devices. Food harmful substances, including heavy metals, veterinary drugs, pesticide residues, food toxins, and other harmful substances can be quickly determined by nanopore-based sensors. Moreover, the combination of nanopore techniques with advanced materials has become one of the most effective methods to improve sensing properties.
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Affiliation(s)
- Xiaoyi Tan
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Chenyan Lv
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Hai Chen
- College of Food Science, Southwest University, Chongqing, China
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12
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Wang L, Wang H, Chen X, Zhou S, Wang Y, Guan X. Chemistry solutions to facilitate nanopore detection and analysis. Biosens Bioelectron 2022; 213:114448. [PMID: 35716643 DOI: 10.1016/j.bios.2022.114448] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 05/24/2022] [Accepted: 05/30/2022] [Indexed: 11/29/2022]
Abstract
Characteristic ionic current modulations will be produced in a single molecule manner during the communication of individual molecules with a nanopore. Hence, the information regarding the length, composition, and structure of a molecule can be extracted from deciphering the electrical message. However, until now, achieving a satisfactory resolution for observation and quantification of a target analyte in a complex system remains a nontrivial task. In this review, we summarize the progress and especially the recent advance in utilizing chemistry solutions to facilitate nanopore detection and analysis. The discussed chemistry solutions are classified into several major categories, including covalent/non-covalent chemistry, redox chemistry, displacement chemistry, back titration chemistry, chelation chemistry, hydrolysis-chemistry, and click chemistry. Considering the significant success of using chemical reaction-assisted nanopore sensing strategies to improve sensor sensitivity & selectivity and to study various topics, other non-chemistry based methodologies can undoubtedly be employed by nanopore sensors to explore new applications in the interdisciplinary area of chemistry, biology, materials, and nanotechnology.
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Affiliation(s)
- Liang Wang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China; Chongqing School, University of Chinese Academy of Sciences, Chongqing, 400714, China
| | - Han Wang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China; Chongqing School, University of Chinese Academy of Sciences, Chongqing, 400714, China
| | - Xiaohan Chen
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China; Chongqing School, University of Chinese Academy of Sciences, Chongqing, 400714, China
| | - Shuo Zhou
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China; Chongqing School, University of Chinese Academy of Sciences, Chongqing, 400714, China
| | - Yunjiao Wang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China; Chongqing School, University of Chinese Academy of Sciences, Chongqing, 400714, China.
| | - Xiyun Guan
- Department of Chemistry, Illinois Institute of Technology, Chicago, IL, 60616, USA.
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13
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A Nanopore Sensing Assay Resolves Cascade Reactions in a Multienzyme System. Angew Chem Int Ed Engl 2022; 61:e202200866. [DOI: 10.1002/anie.202200866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Indexed: 11/07/2022]
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14
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Sheng Y, Zhou K, Liu L, Wu HC. A Nanopore Sensing Assay Resolves Cascade Reactions in a Multienzyme System. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yingying Sheng
- Institute of Chemistry CAS: Institute of Chemistry Chinese Academy of Sciences Key laboratory of Analytical Chemistry for Living Biosystems 100191 Beijing CHINA
| | - Ke Zhou
- Institute of Chemistry CAS: Institute of Chemistry Chinese Academy of Sciences Key Laboratory of Analytical Chemistry for Living Biosystems 100191 Beijing CHINA
| | - Lei Liu
- Institute of High Energy Physics Chinese Academy of Sciences Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety CHINA
| | - Hai-Chen Wu
- Institute of Chemistry Chinese Academy of Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Zhongguancun North First Street 2 100190 Beijing CHINA
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15
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Zhang M, Chen C, Zhang Y, Geng J. Biological nanopores for sensing applications. Proteins 2022; 90:1786-1799. [PMID: 35092317 DOI: 10.1002/prot.26308] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/27/2021] [Accepted: 01/27/2022] [Indexed: 02/05/2023]
Abstract
Biological nanopores are proteins with transmembrane pore that can be embedded in lipid bilayer. With the development of single-channel current measurement technologies, biological nanopores have been reconstituted into planar lipid bilayer and used for single-molecule sensing of various analytes and events such as single-molecule DNA sensing and sequencing. To improve the sensitivity for specific analytes, various engineered nanopore proteins and strategies are deployed. Here, we introduce the origin and principle of nanopore sensing technology as well as the structure and associated properties of frequently used protein nanopores. Furthermore, sensing strategies for different applications are reviewed, with focus on the alteration of buffer condition, protein engineering, and deployment of accessory proteins and adapter-assisted sensing. Finally, outlooks for de novo design of nanopore and nanopore beyond sensing are discussed.
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Affiliation(s)
- Ming Zhang
- Department of Laboratory Medicine, Med-X Center for Manufacturing, West China Hospital, Sichuan University, Chengdu, China
| | - Chen Chen
- Department of Laboratory Medicine, Med-X Center for Manufacturing, West China Hospital, Sichuan University, Chengdu, China
| | - Yanjing Zhang
- Department of Laboratory Medicine, Med-X Center for Manufacturing, West China Hospital, Sichuan University, Chengdu, China
| | - Jia Geng
- Department of Laboratory Medicine, Med-X Center for Manufacturing, West China Hospital, Sichuan University, Chengdu, China
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16
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Wang B, Chen Z, Cen X, Liang Y, Tan L, Liang E, Zheng L, Zheng Y, Zhan Z, Cheng K. Highly Selective and Sensitive Chemiluminescent Probe for Leucine Aminopeptidase Detection in Vitro, in Vivo and in human Liver Cancer Tissue. Chem Sci 2022; 13:2324-2330. [PMID: 35310505 PMCID: PMC8864696 DOI: 10.1039/d1sc06528a] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/17/2022] [Indexed: 12/24/2022] Open
Abstract
Leucine aminopeptidase (LAP) is involved in tumor cell proliferation, invasion, and angiogenesis, and is a well-known tumor marker. In recent years, chemiluminescence has been widely used in the field of biological imaging, due to it resulting in a high sensitivity and excellent signal-to-noise ratio. Here, we report the design, synthesis, and evaluation of the first LAP-activated chemiluminescent probe for LAP detection and imaging. The probe initially had no chemiluminescence but produced an extremely strong chemiluminescence after the release of the dioxetane intermediate in the presence of LAP. The probe had high selectivity over other proteases and higher signal-to-noise ratios than commercial fluorophores. Real-time imaging results indicated that the chemiluminescence was remarkably enhanced at the mice tumor site after the probe was injected. Furthermore, the chemiluminescence of this probe in the cancerous tissues of patients was obviously improved compared to that of normal tissues. Taken together, this study has developed the first LAP-activable chemiluminescent probe, which could be potentially used in protein detection, disease diagnosis, and drug development. The first chemiluminescent probe for the detection of LAP is described. It shows a highly selective, sensitive and rapid chemiluminescence response for the detection of LAP in vitro and in vivo, and enables the differentiation of liver cancer.![]()
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Affiliation(s)
- Baoqu Wang
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Zhenzhou Chen
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Xiaohong Cen
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Yuqing Liang
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Liyi Tan
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - En Liang
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Lu Zheng
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Yanjun Zheng
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Zhikun Zhan
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Kui Cheng
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
- Department of Musculoskeletal Oncology, The Third Affiliated Hospital of Southern Medical University Guangzhou 510642 Guangdong Province People's Republic of China
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17
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Nanopore detects γ-radiation inhibited HIV-1 protease activity. Biosens Bioelectron 2021; 194:113602. [PMID: 34481241 DOI: 10.1016/j.bios.2021.113602] [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: 07/07/2021] [Revised: 08/16/2021] [Accepted: 08/28/2021] [Indexed: 12/28/2022]
Abstract
Inhibition of HIV-1 protease (PR) activity is realized by exposure to 60Co γ-radiation. The radiation effects on enzyme kinetics of HIV-1 PR are subsequently monitored using nanopore sensor. Substantial loss of proteolytic efficiency towards GagPol polypeptide is observed due to the radiation treatment. Results shows ~50% of GagPol polypeptide was not involved in HIV-1 PR proteolysis by exposure to ultra-low intensity of γ-radiation (0.1K Gy), and the values reach to over 90% with high γ-ray treatment. Besides, the inactivation effect is also verified in blood samples which contain the virus protease. Our finding provides the potential benefits of γ-radiation to inactivate viral proteinic function, and might be a complementary to the designation of HIV-1 PR inhibitors.
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18
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Rahman M, Sampad MJN, Hawkins A, Schmidt H. Recent advances in integrated solid-state nanopore sensors. LAB ON A CHIP 2021; 21:3030-3052. [PMID: 34137407 PMCID: PMC8372664 DOI: 10.1039/d1lc00294e] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
The advent of single-molecule probing techniques has revolutionized the biomedical and life science fields and has spurred the development of a new class of labs-on-chip based on powerful biosensors. Nanopores represent one of the most recent and most promising single molecule sensing paradigms that is seeing increased chip-scale integration for improved convenience and performance. Due to their physical structure, nanopores are highly sensitive, require low sample volume, and offer label-free, amplification-free, high-throughput real-time detection and identification of biomolecules. Over the last 25 years, nanopores have been extensively employed to detect a variety of biomolecules with a growing range of applicatons ranging from nucleic acid sequencing to ultrasensitive diagnostics to single-molecule biophysics. Nanopores, in particular those in solid-state membranes, also have the potential for integration with other technologies such as optics, plasmonics, microfluidics, and optofluidics to perform more complex tasks for an ever-expanding demand. A number of breakthrough results using integrated nanopore platforms have already been reported, and more can be expected as nanopores remain the focus of innovative research and are finding their way into commercial instruments. This review provides an overview of different aspects and challenges of nanopore technology with a focus on chip-scale integration of solid-state nanopores for biosensing and bioanalytical applications.
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Affiliation(s)
- Mahmudur Rahman
- School of Engineering, University of California Santa Cruz, 1156 High Street, Santa Cruz, CA, 95064 USA. and Dhaka University of Engineering & Technology, Gazipur, Bangladesh
| | | | - Aaron Hawkins
- ECEn Department, Brigham Young University, 459 Clyde Building, Provo, UT, 84602 USA
| | - Holger Schmidt
- School of Engineering, University of California Santa Cruz, 1156 High Street, Santa Cruz, CA, 95064 USA.
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19
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Xi D, Cui M, Zhou X, Zhuge X, Ge Y, Wang Y, Zhang S. Nanopore-Based Single-Molecule Investigation of DNA Sequences with Potential to Form i-Motif Structures. ACS Sens 2021; 6:2691-2699. [PMID: 34237940 DOI: 10.1021/acssensors.1c00712] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
i-Motifs are DNA secondary structures present in cytosine-rich sequences. These structures are formed in regulatory regions of the human genome and play key regulatory roles. The investigation of sequences capable of forming i-motif structures at the single-molecule level is highly important. In this study, we used α-hemolysin nanopores to systematically study a series of DNA sequences at the nanometer scale by providing structure-dependent signature current signals to gain in-sights into the i-motif DNA sequence and structural stability. Increasing the length of the cytosine tract in a range of 3-10 nucleobases resulted in a longer translocation time through the pore, indicating improved stability. Changing the loop sequence and length in the sequences did not affect the formation of the i-motif structure but changed its stability. Importantly, the application of all-atom molecular dynamics simulations revealed the structural morphology of all sequences. Based on these results, we postulated a folding rule for i-motif formation, suggesting that thousands of cytosine-rich sequences in the human genome might fold into i-motif structures. Many of these were found in locations where structure formation is likely to play regulatory roles. These findings provide insights into the application of nanopores as a powerful tool for discovering potential i-motif-forming sequences and lay a foundation for future studies exploring the biological roles of i-motifs.
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Affiliation(s)
- Dongmei Xi
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Life Sciences, Linyi University, Linyi 276005, P. R. China
| | - Mengjie Cui
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276005, P. R. China
| | - Xin Zhou
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276005, P. R. China
| | - Xiao Zhuge
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276005, P. R. China
| | - Yaxian Ge
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276005, P. R. China
| | - Ying Wang
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Life Sciences, Linyi University, Linyi 276005, P. R. China
| | - Shusheng Zhang
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276005, P. R. China
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20
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Wu MY, Li ZQ, Zhu GL, Wu ZQ, Ding XL, Huang LQ, Mo RJ, Xia XH. Electrochemically Switchable Double-Gate Nanofluidic Logic Device as Biomimetic Ion Pumps. ACS APPLIED MATERIALS & INTERFACES 2021; 13:32479-32485. [PMID: 34191482 DOI: 10.1021/acsami.1c06535] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Biological ion pumps with two separate gates can actively transport ions against the concentration gradient. Developing an artificial nanofluidic device with multiple responsive sites is of great importance to improve its controllability over ion transport to further explore its logic function and mimic the biological process. Here, we propose an electrochemical polymerization method to fabricate electrochemically switchable double-gate nanofluidic devices. The ion transport of the double-gate nanofluidic device can be in situ and reversibly switched among four different states. The logic function of this nanofluidic device is systematically investigated by assuming the gate state as the input and the transmembrane ionic conductance as the output. A biomimetic electrochemical ion pump is then established by alternately applying two different specific logic combinations, realizing an active ion transport under a concentration gradient. This work would inspire further studies to construct complex logical networks and explore bioinspired ion pump systems.
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Affiliation(s)
- Ming-Yang Wu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Zhong-Qiu Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Guan-Long Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Zeng-Qiang Wu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xin-Lei Ding
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Li-Qiu Huang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Ri-Jian Mo
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xing-Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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21
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Affiliation(s)
- Mengjie Cui
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University Linyi Shandong 276005 China
| | - Yaxian Ge
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University Linyi Shandong 276005 China
| | - Xiao Zhuge
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University Linyi Shandong 276005 China
| | - Xin Zhou
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University Linyi Shandong 276005 China
| | - Dongmei Xi
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University Linyi Shandong 276005 China
| | - Shusheng Zhang
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University Linyi Shandong 276005 China
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22
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Wu R, Wang Y, Zhu Z, Yu C, Li H, Li B, Dong S. Low-Noise Solid-State Nanopore Enhancing Direct Label-Free Analysis for Small Dimensional Assemblies Induced by Specific Molecular Binding. ACS APPLIED MATERIALS & INTERFACES 2021; 13:9482-9490. [PMID: 33476120 DOI: 10.1021/acsami.0c20359] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Solid-state nanopores show special potential as a new single-molecular characterization for nucleic acid assemblies and molecular machines. However, direct recognition of small dimensional species is still quite difficult due the lower resolution compared with biological pores. We recently reported a very efficient noise-reduction and resolution-enhancement mechanism via introducing high-dielectric additives (e.g., formamide) into conical glass nanopore (CGN) test buffer. Based on this advance, here, for the first time, we apply a bare CGN to directly recognize small dimensional assemblies induced by small molecules. Cocaine and its split aptamer (Capt assembly) are chosen as the model set. By introducing 20% formamide into CGN test buffer, high cocaine-specific distinguishing of the 113 nt Capt assembly has been realized without any covalent label or additional signaling strategies. The signal-to-background discrimination is much enhanced compared with control characterizations such as gel electrophoresis and fluorescence resonance energy transfer (FRET). As a further innovation, we verify that low-noise CGN can also enhance the resolution of small conformational/size changes happening on the side chain of large dimensional substrates. Long duplex concatamers generated from the hybridization chain reaction (HCR) are selected as the model substrates. In the presence of cocaine, low-noise CGN has sensitively captured the current changes when the 26 nt aptamer segment is assembled on the side chain of HCR duplexes. This paper proves that the introduction of the low-noise mechanism has significantly improved the resolution of the solid-state nanopore at smaller and finer scales and thus may direct extensive and deeper research in the field of CGN-based analysis at both single-molecular and statistical levels, such as molecular recognition, assembly characterization, structure identification, information storage, and target index.
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Affiliation(s)
- Ruiping Wu
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Yesheng Wang
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhentong Zhu
- College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, P. R. China
| | - Chunmiao Yu
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Huan Li
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Bingling Li
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Shaojun Dong
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China
- University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
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23
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Chernikova EY, Berdnikova DV. Cucurbiturils in nucleic acids research. Chem Commun (Camb) 2020; 56:15360-15376. [PMID: 33206072 DOI: 10.1039/d0cc06583h] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
During the past ten years, the importance of cucurbiturils (CB[n]) as macrocyclic hosts in supramolecular assemblies with various types of natural and synthetic nucleic acids (NAs) has increased explosively. As a component of such systems, CB[n] macrocycles can play a wide spectrum of roles from drug and gene delivery vehicles to catalysts/inhibitors of biochemical reactions and even building blocks for NA-based materials. The aim of this highlight article is to describe the development of the CB[n] applications in nucleic acids research and to outline the current situation and perspectives of this fascinating synergistic combination of supramolecular chemistry of CB[n] and NAs.
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Affiliation(s)
- Ekaterina Y Chernikova
- Laboratory of Photoactive Supramolecular Systems, A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova St. 28, Moscow, Russia.
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24
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Wang S, Zhou Z, Ma N, Yang S, Li K, Teng C, Ke Y, Tian Y. DNA Origami-Enabled Biosensors. SENSORS (BASEL, SWITZERLAND) 2020; 20:E6899. [PMID: 33287133 PMCID: PMC7731452 DOI: 10.3390/s20236899] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 11/30/2020] [Indexed: 12/29/2022]
Abstract
Biosensors are small but smart devices responding to the external stimulus, widely used in many fields including clinical diagnosis, healthcare and environment monitoring, etc. Moreover, there is still a pressing need to fabricate sensitive, stable, reliable sensors at present. DNA origami technology is able to not only construct arbitrary shapes in two/three dimension but also control the arrangement of molecules with different functionalities precisely. The functionalization of DNA origami nanostructure endows the sensing system potential of filling in weak spots in traditional DNA-based biosensor. Herein, we mainly review the construction and sensing mechanisms of sensing platforms based on DNA origami nanostructure according to different signal output strategies. It will offer guidance for the application of DNA origami structures functionalized by other materials. We also point out some promising directions for improving performance of biosensors.
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Affiliation(s)
- Shuang Wang
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China; (S.W.); (K.L.)
- State Key Laboratory of Analytical Chemistry for Life Science, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210023, China; (Z.Z.); (N.M.); (S.Y.); (Y.T.)
| | - Zhaoyu Zhou
- State Key Laboratory of Analytical Chemistry for Life Science, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210023, China; (Z.Z.); (N.M.); (S.Y.); (Y.T.)
| | - Ningning Ma
- State Key Laboratory of Analytical Chemistry for Life Science, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210023, China; (Z.Z.); (N.M.); (S.Y.); (Y.T.)
| | - Sichang Yang
- State Key Laboratory of Analytical Chemistry for Life Science, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210023, China; (Z.Z.); (N.M.); (S.Y.); (Y.T.)
| | - Kai Li
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China; (S.W.); (K.L.)
- State Key Laboratory of Analytical Chemistry for Life Science, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210023, China; (Z.Z.); (N.M.); (S.Y.); (Y.T.)
| | - Chao Teng
- Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China; (S.W.); (K.L.)
| | - Yonggang Ke
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30322, USA;
| | - Ye Tian
- State Key Laboratory of Analytical Chemistry for Life Science, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210023, China; (Z.Z.); (N.M.); (S.Y.); (Y.T.)
- Shenzhen Research Institute of Nanjing University, Shenzhen 518000, China
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25
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Zhang Y, Song P, Guo B, Hao W, Liu L, Wu HC. A bifunctional DNA probe for sensing pH and microRNA using a nanopore. Analyst 2020; 145:7025-7029. [PMID: 33103667 DOI: 10.1039/d0an01208d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We have developed a bifunctional probe based on triplex molecular beacons for the measurement of environmental pH and quantification of microRNA-10b using a nanopore. The probe responds sharply to solution pH changes in the range of 6.0-7.5. The limit of detection for microRNA-10b is as low as 5.0 pM.
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Affiliation(s)
- Yun Zhang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
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26
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Liu Q, Wang Y, Liu Y, Wang H, Li W, Tang P, Weng T, Zhou S, Liang L, Yuan J, Wang D, Wang L. Reduction chemistry-assisted nanopore determination method for immunoglobulin isotypes. NANOSCALE 2020; 12:19711-19718. [PMID: 32966507 DOI: 10.1039/d0nr04900j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Immunoglobulins can bind to an unlimited array of foreign antigens presented to the immune system. Among those isotypes, IgG and IgM play crucial roles in initial immune defense associated with innate immunity factors. Hence, the determination of IgG and IgM deficiencies or varying concentrations is widely used as a diagnostic indicator for immune deficiency disorders. Herein, we report a reduction chemistry-assisted nanopore method for IgG and IgM determination. TCEP (tris(2-carboxyethyl)phosphine) was used to cleave Ig proteins in fragments by means of disulfide bond reduction under different experimental conditions. This strategy enabled the observation of distinguishable current signals afforded by separated polypeptide fragments in an αHL nanopore. Together with molecular dynamics (MD) simulation results, highly effective electrostatic potentials and H-bonds, the dominant factors for these current signals, facilitated the capture of Ig fragments in an α-HL nanopore. More importantly, the signature signals were applicable for differentiating between IgG and IgM in blood serum without any problems of protein adsorption and clogging in the nanopore sensing. Furthermore, with comparative sensing sensitivity and selectivity, it is concluded that our method is a label-free single-molecule approach to measuring disease states that present as a result of the absence or over presence of immunoglobulin isotypes.
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Affiliation(s)
- Qianshan Liu
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China. and Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China
| | - Yunjiao Wang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China. and Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China
| | - Yaqing Liu
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China.
| | - Han Wang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China. and Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China
| | - Wei Li
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China. and Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China
| | - Peng Tang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China.
| | - Ting Weng
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China.
| | - Shuo Zhou
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China.
| | - Liyuan Liang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China. and Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China
| | - Jiahu Yuan
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China. and Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China
| | - Deqiang Wang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China. and Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China
| | - Liang Wang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China. and Chongqing School, University of Chinese Academy of Sciences, Chongqing 400714, China
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27
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Wang Y, Zhang Y, Chen X, Guan X, Wang L. Analysis with biological nanopore: On-pore, off-pore strategies and application in biological fluids. Talanta 2020; 223:121684. [PMID: 33303138 DOI: 10.1016/j.talanta.2020.121684] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 09/14/2020] [Accepted: 09/16/2020] [Indexed: 10/23/2022]
Abstract
Inspired from ion channels in biology, nanopores have been developed as promising analytical tools. In principle, nanopores provide crucial information from the observation and analysis of ionic current modulations caused by the interaction between target analytes and fluidic pores. In this respect, the biological, chemical and physical parameters of the nanopore regime need to be well-understood and regulated for intermolecular interaction. Because of well-defined molecular structures, biological nanopores consequently are of a focal point, allowing precise interaction analysis at single-molecule level. In this overview, two analytical strategies are summarized and discussed accordingly, upon the challenges arising in case-dependent analysis using biological nanopores. One kind of strategies relies on modification, functionalization and engineering on nanopore confined interface to improve molecular recognition sites (on-pore strategies); The other kind of highlighted strategies concerns to measurement of various chemistry/biochemistry based interactions triggered by employed molecular agents or probes (off-pore strategies). In particularly, a few recent paradigms using these strategies for practical application of accurate analysis of biomarkers in biological fluids are illustrated. To end, the challenging and future outlook of using analytical tools by means of biological nanopores are depicted.
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Affiliation(s)
- Yunjiao Wang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China; Chongqing School, University of Chinese Academy of Sciences, Chongqing, 400714, China
| | - Youwen Zhang
- Department of Chemistry, Illinois Institute of Technology, Chicago, IL, 60616, USA
| | - Xiaohan Chen
- Department of Chemistry, Illinois Institute of Technology, Chicago, IL, 60616, USA
| | - Xiyun Guan
- Department of Chemistry, Illinois Institute of Technology, Chicago, IL, 60616, USA.
| | - Liang Wang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China; Chongqing School, University of Chinese Academy of Sciences, Chongqing, 400714, China.
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28
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Huang B, Wang P, Ouyang Y, Pang R, Liu S, Hong C, Ma S, Gao Y, Tian J, Zhang W. Pillar[5]arene-Based Switched Supramolecular Photosensitizer for Self-Amplified and pH-Activated Photodynamic Therapy. ACS APPLIED MATERIALS & INTERFACES 2020; 12:41038-41046. [PMID: 32830945 DOI: 10.1021/acsami.0c10372] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Photodynamic therapy (PDT) has emerged as a promising and spatiotemporally controllable cancer treatment modality. However, serious skin photosensitization during the PDT process limits the clinical application of PDT. Thus, the construction of "smart" and multifunctional photosensitizers has attracted substantial interest. Herein, we develop a mitochondria-targeting and pH-switched hybrid supramolecular photosensitizer by the host-guest interaction. The PDT efficacy of supramolecular photosensitizers can be quenched by the Förster resonance energy transfer (FRET) effect during long circulation and activated by the dissociation of supramolecular photosensitizers in an acidic tumor microenvironment, benefitting from the dynamic feature of the host-guest interaction and pH responsiveness of the water-soluble pillar[5]arene on gold nanoparticles. The rational integration of mitochondria-targeting and reductive glutathione (GSH) elimination in the hybrid switchable supramolecular photosensitizer prolongs the lifetime of reactive oxygen species generated in the PDT near mitochondria and further amplifies the PDT efficacy. Thus, the facile and versatile construction of switchable supramolecular photosensitizer offers not only the targeted and precise phototherapy but also high therapeutic efficacy, which would provide a new path for the clinic application of PDT.
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Affiliation(s)
- Baoxuan Huang
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Peng Wang
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Yingjie Ouyang
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Ruiqi Pang
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Siyi Liu
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Chenyu Hong
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Shaohua Ma
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Yun Gao
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Jia Tian
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Weian Zhang
- Shanghai Key Laboratory of Functional Materials Chemistry, East China University of Science and Technology, Shanghai 200237, People's Republic of China
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29
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Niu H, Zhang Y, Tang J, Zhu X, Ye Y, Zhao Y. A bifunctional fluorescent sensor for CCCP-induced cancer cell apoptosis imaging. Chem Commun (Camb) 2020; 56:12423-12426. [PMID: 32936131 DOI: 10.1039/d0cc04200e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The detailed mechanism and the extent of pH/SO2 changes during apoptosis remain unknown. The developed sensor NPCF for SO2 and pH dual detection illustrates that SO2 can reduce the inflammation caused by LPS and the acidification of the environment. The levels of SO2 and pH change during carbonyl cyanide m-chlorophenylhydrazone (CCCP)-induced apoptosis.
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Affiliation(s)
- Huawei Niu
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China.
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30
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Highly sensitive detection of lipopolysaccharide based on collaborative amplification of dual enzymes. Anal Chim Acta 2020; 1126:31-37. [DOI: 10.1016/j.aca.2020.06.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 06/04/2020] [Accepted: 06/05/2020] [Indexed: 12/18/2022]
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31
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Guo B, Song P, Zhou K, Liu L, Wu HC. Simultaneous Sensing of Multiple Cancer Biomarkers by a Single DNA Nanoprobe in a Nanopore. Anal Chem 2020; 92:9405-9411. [PMID: 32539349 DOI: 10.1021/acs.analchem.0c01909] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Both vascular endothelial growth factor (VEGF) and matrix metallopeptidase-9 (MMP-9) are key biomarkers in tumor angiogenesis. Determination of the overexpression of the two biomarkers would provide valuable information on the progression of tumor growth and metastasis, but their simultaneous quantification by a single probe is unprecedented. Here, we develop a triplex DNA-based nanoprobe for simultaneously quantifying VEGF and MMP-9 using an α-hemolysin nanopore. A DNA aptamer is used as the triplex molecular beacon (tMB) loop to bind VEGF, and a stem-forming oligonucleotide modified with a short peptide is used to recognize MMP-9. The sequential presence of VEGF and MMP-9 could also be identified by different patterns of current events. Besides, the characteristic current events generated by the DNA probe possess pH-dependent patterns that can be used to reflect the environmental pH. Success in the construction of such DNA nanoprobes will greatly facilitate the investigation of the mechanisms of different tumor angiogenesis processes and provide a useful approach for cancer diagnosis.
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Affiliation(s)
- Bingyuan Guo
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Peng Song
- Department of Geriatric Oncology, General Hospital of the Chinese People's Liberation Army, Beijing 100853, P. R. China
| | - Ke Zhou
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Lei Liu
- Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Hai-Chen Wu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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32
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Yu S, Chen T, Zhang Q, Zhou M, Zhu X. Application of DNA nanodevices for biosensing. Analyst 2020; 145:3481-3489. [PMID: 32319463 DOI: 10.1039/d0an00159g] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Deoxyribonucleic acid (DNA), the carrier of genetic information in living life, is an essential biomacromolecule in almost all living systems. DNA has advantages including, programmability, predictability, high rigidity, and stability. Through self-assembly or combination with other nanomaterials (such as gold nanoparticles, graphene oxides, quantum dots, and polymers), DNA can be applied to construct specific, stable, biocompatible, and functional nanodevices. DNA nanodevices have made greater contributions in a plethora of fields. In this review, we discuss the recent progress of DNA nanodevices in molecular detection and analysis. Meanwhile, we prospect the development of various DNA devices in biological analysis, clinical diagnosis and biomedical research.
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Affiliation(s)
- Sinuo Yu
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China.
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33
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Sheng Y, Zhang S, Liu L, Wu H. Measuring Enzymatic Activities with Nanopores. Chembiochem 2020; 21:2089-2097. [DOI: 10.1002/cbic.202000079] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 03/21/2020] [Indexed: 12/20/2022]
Affiliation(s)
- Yingying Sheng
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Shouwen Zhang
- Neurophysiology Department Beijing ChaoYang Emergency Medical Center Beijing 100122 China
| | - Lei Liu
- Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 China
| | - Hai‐Chen Wu
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
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34
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Zhu Z, Duan X, Li Q, Wu R, Wang Y, Li B. Low-Noise Nanopore Enables In-Situ and Label-Free Tracking of a Trigger-Induced DNA Molecular Machine at the Single-Molecular Level. J Am Chem Soc 2020; 142:4481-4492. [PMID: 32069050 DOI: 10.1021/jacs.0c00029] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Solid-state nanopores have shown special high potential in a label-free molecular assay, structure identification, and target-index at the single-molecular level, even though frustrating electrical baseline noise is still one of the major factors that limit the spatial resolution and signaling reliability of solid-state nanopores, especially in small target detection. Here we develop a significant and easy-operating noise-reduction approach via mixing organic solvents with high dielectric constants into a traditional aqueous electrolyte. The strategy is generally effective for pores made of different materials, such as the most commonly used conical glass (CGN) or SiNx. While the mechanism should be multisourced, MD simulations suggest the noise reduction may partially arise from the even ionic distribution caused by the addition of higher dielectric species. Among all solvents experimentally tested, the two with the highest dielectric constants, formamide and methylformamide, exhibit the best noise reduction effect for target detection of CGN. The power spectral density at the low-frequency limit is reduced by nearly 3 orders with the addition of 20% formamide. Our work qualifies the reliability of solid-state nanopores into much subtler scales of detection, such as dsDNAs under 100 bp. As a practical example, bare CGN is innovatively employed to perform in-situ tracking of trigger-responsive DNA machine forming oligomers.
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Affiliation(s)
- Zhentong Zhu
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Xiaozheng Duan
- State Key Lab of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People's Republic of China
| | - Qiao Li
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, People's Republic of China
| | - Ruiping Wu
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People's Republic of China.,University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Yesheng Wang
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People's Republic of China.,University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
| | - Bingling Li
- State Key Lab of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, People's Republic of China.,University of Science and Technology of China, Hefei, Anhui 230026, People's Republic of China
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35
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Tang H, Wang H, Yang C, Zhao D, Qian Y, Li Y. Nanopore-based Strategy for Selective Detection of Single Carcinoembryonic Antigen (CEA) Molecules. Anal Chem 2020; 92:3042-3049. [DOI: 10.1021/acs.analchem.9b04185] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Haoran Tang
- Anhui Key Laboratory of Chemo/Biosensing, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P.R. China
| | - Hao Wang
- Anhui Key Laboratory of Chemo/Biosensing, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P.R. China
| | - Cheng Yang
- Anhui Key Laboratory of Chemo/Biosensing, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P.R. China
| | - Dandan Zhao
- Anhui Key Laboratory of Chemo/Biosensing, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P.R. China
| | - Yuanyuan Qian
- Anhui Key Laboratory of Chemo/Biosensing, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P.R. China
| | - Yongxin Li
- Anhui Key Laboratory of Chemo/Biosensing, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P.R. China
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36
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