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Xuan J, Wang Z, Huang Y, Liu Y, Han Y, Li M, Xiao M. DNA response element-based smart drug delivery systems for precise drug release. Biomater Sci 2024; 12:3550-3564. [PMID: 38832670 DOI: 10.1039/d4bm00138a] [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: 06/05/2024]
Abstract
Smart drug delivery systems (DDSs) that respond to, interact with, or are actuated by biological signals or pathological abnormalities (e.g., the tumor microenvironment) for controllable drug release are appealing therapeutic platforms for cancer treatment. Owing to their inherent self-assembled nature, nucleic acids have emerged as programmable materials for the development of multifunctional structures. In response to external environmental stimuli, DNA response elements can serve as switches to trigger conformational changes in DNA structures. Their stimulus-responsive properties make them promising candidates for constructing smart DDSs, and advancements in DNA response element-based DDSs in the field of biomedicine have been made. This review summarizes different types of DNA response elements, including DNA aptamers, DNAzymes, disulfide bond-modified DNA, pH-responsive DNA motifs, and photocleavable DNA building blocks, and highlights the advancements in DNA response element-based smart DDSs for precise drug release. Finally, future challenges and perspectives in this field are discussed.
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Affiliation(s)
- Jinnan Xuan
- Hubei Key Laboratory of Photoelectric Materials and Devices, School of Materials Science and Engineering, Hubei Normal University, 11 Cihu Road, Huangshi 435002, P. R. China
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, P. R. China.
| | - Zhen Wang
- Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), Shaanxi Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi'an, Shaanxi 710069, P. R. China
| | - Yuting Huang
- Department of Radiotherapy, Chaohu Hospital of Anhui Medical University, 64 Chaohu North Road, Chaohu 238000, P. R. China
| | - Yisi Liu
- Hubei Key Laboratory of Photoelectric Materials and Devices, School of Materials Science and Engineering, Hubei Normal University, 11 Cihu Road, Huangshi 435002, P. R. China
| | - Yuqiang Han
- Hubei Key Laboratory of Photoelectric Materials and Devices, School of Materials Science and Engineering, Hubei Normal University, 11 Cihu Road, Huangshi 435002, P. R. China
| | - Man Li
- Key Laboratory of Resource Biology and Biotechnology in Western China (Ministry of Education), Shaanxi Provincial Key Laboratory of Biotechnology, College of Life Sciences, Northwest University, Xi'an, Shaanxi 710069, P. R. China
| | - Mingshu Xiao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, P. R. China.
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2
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Ma J, Li Y, Ying Y, Wu B, Liu Y, Zhou J, Hu L. Progress of Mesoporous Silica Coated Gold Nanorods for Biological Imaging and Cancer Therapy. ChemMedChem 2024; 19:e202300374. [PMID: 37990850 DOI: 10.1002/cmdc.202300374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 11/19/2023] [Accepted: 11/19/2023] [Indexed: 11/23/2023]
Abstract
For unique surface plasmon absorption and fluorescence characteristics, gold nanorods have been developed and widely employed in the biomedical field. However, limitations still exist due their low specific surface area, instability and tendency agglomerate in cytoplasm. Mesoporous silica materials have been broadly applied in field of catalysts, adsorbents, nanoreactors, and drug carriers due to its unique mesoporous structure, highly comparative surface area, good stability and biocompatibility. Therefore, coating gold nanorods with a dendritic mesopore channels can effectively prevent particle agglomeration, while increasing the specific surface area and drug loading efficiency. This review discusses the advancements of GNR@MSN in synthetic process, bio-imaging technique and tumor therapy. Additionally, the further application of GNR@MSN in imaging-guided treatment modalities is explored, while its promising superior application prospect is highlighted. Finally, the issues related to in vivo studies are critically examined for facilitating the transition of this promising nanoplatform into clinical trials.
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Affiliation(s)
- Jiaying Ma
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, University of South China, Hengyang, 421001, PR China
| | - Yongzhen Li
- Department of Pharmacy, School of Pharmacy, University of South China, Hengyang, 421001, PR China
| | - Yunfei Ying
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, University of South China, Hengyang, 421001, PR China
| | - Baibei Wu
- Department of Clinical Medicine, University of South China, Hengyang, 421001, PR China
| | - Yanmei Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, University of South China, Hengyang, 421001, PR China
| | - Juan Zhou
- School of Mechanical Engineering, University of South China, Hengyang, 421001, PR China
| | - Lidan Hu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, University of South China, Hengyang, 421001, PR China
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Liu R, Jiang D, Yun Y, Feng Z, Zheng F, Xiang Y, Fan H, Zhang J. Photoactivatable Engineering of CRISPR/Cas9-Inducible DNAzyme Probe for In Situ Imaging of Nuclear Zinc Ions. Angew Chem Int Ed Engl 2024; 63:e202315536. [PMID: 38253802 DOI: 10.1002/anie.202315536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 01/21/2024] [Accepted: 01/22/2024] [Indexed: 01/24/2024]
Abstract
DNAzyme-based fluorescent probes for imaging metal ions in living cells have received much attention recently. However, employing in situ metal ions imaging within subcellular organelles, such as nucleus, remains a significant challenge. We developed a three-stranded DNAzyme probe (TSDP) that contained a 20-base-pair (20-bp) recognition site of a CRISPR/Cas9, which blocks the DNAzyme activity. When Cas9, with its specialized nuclear localization function, forms an active complex with sgRNA within the cell nucleus, it cleaves the TSDP at the recognition site, resulting in the in situ formation of catalytic DNAzyme structure. With this design, the CRISPR/Cas9-inducible imaging of nuclear Zn2+ is demonstrated in living cells. Moreover, the superiority of CRISPR-DNAzyme for spatiotemporal control imaging was demonstrated by integrating it with photoactivation strategy and Boolean logic gate for dynamic monitoring nuclear Zn2+ in both HeLa cells and mice. Collectively, this conceptual design expands the DNAzyme toolbox for visualizing nuclear metal ions and thus provides new analytical methods for nuclear metal-associated biology.
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Affiliation(s)
- Ran Liu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, 210023, China
| | - Difei Jiang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, 210023, China
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu, 212003, China
| | - Yangfang Yun
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, 210023, China
| | - Zhe Feng
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, 210023, China
| | - Fenfen Zheng
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, 210023, China
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu, 212003, China
| | - Yu Xiang
- Department of Chemistry, Beijing Key Laboratory for Microanalytical Methods and Instrumentation, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Tsinghua University, Beijing, 100084, China
| | - Huanhuan Fan
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, 210023, China
| | - Jingjing Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, Nanjing, 210023, China
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Shang Z, Deng Z, Yi X, Yang M, Nong X, Lin M, Xia F. Construction and bioanalytical applications of poly-adenine-mediated gold nanoparticle-based spherical nucleic acids. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:5564-5576. [PMID: 37861233 DOI: 10.1039/d3ay01618h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
Owing to the versatile photophysical and chemical properties, spherical nucleic acids (SNAs) have been widely used in biosensing. However, traditional SNAs are formed by self-assembly of thiolated DNA on the surface of a gold nanoparticle (AuNP), where it is challenging to precisely control the orientation and surface density of DNA. As a new SNA, a polyadenine (polyA)-mediated SNA using the high binding affinity of consecutive adenines to AuNPs shows controllable surface density and configuration of DNA, which can be used to improve the performance of a biosensor. Herein, we first introduce the properties of polyA-mediated SNAs and fundamental principles regarding the polyA-AuNP interaction. Then, we provide an overview of current representative synthesis methods of polyA-mediated SNAs and their advantages and disadvantages. After that, we summarize the application of polyA-mediated SNAs in biosensing based on fluorescence and colorimetric methods, followed by discussion and an outlook of future challenges in this field.
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Affiliation(s)
- Zhiwei Shang
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China.
| | - Zixuan Deng
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China.
| | - Xiaoqing Yi
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Gannan Medical University, Ganzhou 341000, China
| | - Mengyu Yang
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China.
| | - Xianliang Nong
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China.
| | - Meihua Lin
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China.
| | - Fan Xia
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China.
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Wu K, Ma C, Wang Y. Functional Nucleic Acid Probes Based on Two-Photon for Biosensing. BIOSENSORS 2023; 13:836. [PMID: 37754070 PMCID: PMC10527542 DOI: 10.3390/bios13090836] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/18/2023] [Accepted: 08/18/2023] [Indexed: 09/28/2023]
Abstract
Functional nucleic acid (FNA) probes have been widely used in environmental monitoring, food analysis, clinical diagnosis, and biological imaging because of their easy synthesis, functional modification, flexible design, and stable properties. However, most FNA probes are designed based on one-photon (OP) in the ultraviolet or visible regions, and the effectiveness of these OP-based FNA probes may be hindered by certain factors, such as their potential for photodamage and limited light tissue penetration. Two-photon (TP) is characterized by the nonlinear absorption of two relatively low-energy photons of near-infrared (NIR) light with the resulting emission of high-energy ultraviolet or visible light. TP-based FNA probes have excellent properties, including lower tissue self-absorption and autofluorescence, reduced photodamage and photobleaching, and higher spatial resolution, making them more advantageous than the conventional OP-based FNA probes in biomedical sensing. In this review, we summarize the recent advances of TP-excited and -activated FNA probes and detail their applications in biomolecular detection. In addition, we also share our views on the highlights and limitations of TP-based FNA probes. The ultimate goal is to provide design approaches for the development of high-performance TP-based FNA probes, thereby promoting their biological applications.
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Affiliation(s)
- Kefeng Wu
- GBA Branch of Aerospace Information Research Institute, Chinese Academy of Sciences, Guangzhou 510700, China
- Guangdong Provincial Key Laboratory of Terahertz Quantum Electromagnetics, Guangzhou 510700, China
| | - Changbei Ma
- School of Life Sciences, Central South University, Changsha 410013, China
| | - Yisen Wang
- GBA Branch of Aerospace Information Research Institute, Chinese Academy of Sciences, Guangzhou 510700, China
- Guangdong Provincial Key Laboratory of Terahertz Quantum Electromagnetics, Guangzhou 510700, China
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Yi D, Zhao H, Zhao J, Li L. Modular Engineering of DNAzyme-Based Sensors for Spatioselective Imaging of Metal Ions in Mitochondria. J Am Chem Soc 2023; 145:1678-1685. [PMID: 36573341 DOI: 10.1021/jacs.2c11081] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
DNAzyme-based sensors remain at the forefront of metal-ion imaging efforts, but most lack the subcellular precision necessary to their applications in specific organelles. Here, we seek to overcome this limitation by presenting a DNAzyme-based biosensor technology for spatiotemporally controlled imaging of metal ions in mitochondria. A DNA nanodevice was constructed by integrating an optically activatable DNAzyme sensor and an upconversion nanoparticle with an organelle-targeting signal. We exemplify that this approach allows for mitochondria-specific imaging of Zn2+ in living cells in a near-infrared light-controlled manner. Based on this, the system is used for the monitoring of mitochondrial Zn2+ during drug treatment in a cellular model of ischemia insult. Furthermore, the DNA nanodevice is employed to assess dynamic Zn2+ change and pharmacological interventions in an injury cell model of Zn2+ toxicity. This method paves the way for engineering of DNAzyme sensors to investigate the pathophysiological roles of metal ions at the subcellular level.
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Affiliation(s)
- Deyu Yi
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Beijing 100190, China.,College of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hengzhi Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Beijing 100190, China.,College of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jian Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Beijing 100190, China.,College of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lele Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Beijing 100190, China.,College of Materials Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
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7
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Cui M, Zhang D, Wang Q, Chao J. An intelligent, autocatalytic, DNAzyme biocircuit for amplified imaging of intracellular microRNAs. NANOSCALE 2023; 15:578-587. [PMID: 36533380 DOI: 10.1039/d2nr05165f] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
DNAzymes hold great promise as transducing agents for the analysis of intracellular biomarkers. However, their low intracellular delivery efficiency and limited signal amplification capability (including an additional supply of cofactors) hinder their application in low-abundance biomarker analysis. Herein, a general strategy to design an intelligent, autocatalytic, DNAzyme biocircuit is developed for amplified microRNA imaging in living cells. The DNAzyme biocircuit is constructed based on a nanodevice composed of catalytic hairpin assembly (CHA) and DNAzyme biocatalytic functional units, sustained by Au nanoparticles (AuNPs) and MnO2 nanosheets (CD/AM nanodevices). Once the CD/AM nanodevices are endocytosed by cells, the MnO2 nanosheets are reduced by intracellular glutathione (GSH), which not only releases the different units of the DNAzyme circuit, but also generates the cofactor Mn2+ for DNAzyme autocatalysis. The intracellular analytes could trigger the coordinated cross-activation of CHA and autocatalytic DNAzymes on AuNPs, enabling reliable and accurate detection of miRNAs in living cells. This intelligent autocatalytic multilayer DNAzyme biocircuit can effectively avoid signal leakage and obtain high amplification gain, expanding the application of programmable complex DNA nanocircuits in biosensing, nanomaterial assembly, and biomedicine.
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Affiliation(s)
- Meirong Cui
- State Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, P. R. China.
| | - Dan Zhang
- State Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, P. R. China.
| | - Qingfu Wang
- State Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, P. R. China.
| | - Jie Chao
- State Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, P. R. China.
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Wang B, Wang M, Peng F, Fu X, Wen M, Shi Y, Chen M, Ke G, Zhang XB. Construction and Application of DNAzyme-based Nanodevices. Chem Res Chin Univ 2023; 39:42-60. [PMID: 36687211 PMCID: PMC9841151 DOI: 10.1007/s40242-023-2334-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 01/02/2023] [Indexed: 01/19/2023]
Abstract
The development of stimuli-responsive nanodevices with high efficiency and specificity is very important in biosensing, drug delivery, and so on. DNAzymes are a class of DNA molecules with the specific catalytic activity. Owing to their unique catalytic activity and easy design and synthesis, the construction and application of DNAzymes-based nanodevices have attracted much attention in recent years. In this review, the classification and properties of DNAzyme are first introduced. The construction of several common kinds of DNAzyme-based nanodevices, such as DNA motors, signal amplifiers, and logic gates, is then systematically summarized. We also introduce the application of DNAzyme-based nanodevices in sensing and therapeutic fields. In addition, current limitations and future directions are discussed.
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Affiliation(s)
- Bo Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082 P. R. China
| | - Menghui Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082 P. R. China
| | - Fangqi Peng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082 P. R. China
| | - Xiaoyi Fu
- Institute of Basic Medicine and Cancer(IBMC), Chinese Academy of Sciences, Hangzhou, 310022 P. R. China
| | - Mei Wen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082 P. R. China
| | - Yuyan Shi
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082 P. R. China
| | - Mei Chen
- College of Materials Science and Engineering, Hunan University, Changsha, 410082 P. R. China
| | - Guoliang Ke
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082 P. R. China
| | - Xiao-Bing Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082 P. R. China
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Ma X, Li X, Luo G, Jiao J. DNA-functionalized gold nanoparticles: Modification, characterization, and biomedical applications. Front Chem 2022; 10:1095488. [PMID: 36583149 PMCID: PMC9792995 DOI: 10.3389/fchem.2022.1095488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 11/29/2022] [Indexed: 12/15/2022] Open
Abstract
With the development of technologies based on gold nanoparticles (AuNPs), bare AuNPs cannot meet the increasing requirements of biomedical applications. Modifications with different functional ligands are usually needed. DNA is not only the main genetic material, but also a good biological material, which has excellent biocompatibility, facile design, and accurate identification. DNA is a perfect ligand candidate for AuNPs, which can make up for the shortcoming of bare AuNPs. DNA-modified AuNPs (DNA-AuNPs) have exciting features and bright prospects in many fields, which have been intensively investigated in the past decade. In this review, we summarize the various approaches for the immobilization of DNA strands on the surface of AuNPs. Representative studies for biomedical applications based on DNA-AuNPs are also discussed. Finally, we present the challenges and future directions.
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Affiliation(s)
- Xiaoyi Ma
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, China
| | - Xiaoqiang Li
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, China
| | - Gangyin Luo
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, China,*Correspondence: Gangyin Luo, ; Jin Jiao,
| | - Jin Jiao
- School of Life Sciences, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China,*Correspondence: Gangyin Luo, ; Jin Jiao,
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10
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DNA walker for signal amplification in living cells. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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11
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Cheng C, Yang H, Huang Y, Wang J, Gu M, Liu Y, Wang N, Wang J, Hu S, Deng R. A smart DNAzyme/graphene oxide nanosystem for fluorescent sensing of uranyl ion with high sensitivity and selectivity. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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12
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Recent advance of RNA aptamers and DNAzymes for MicroRNA detection. Biosens Bioelectron 2022; 212:114423. [DOI: 10.1016/j.bios.2022.114423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 04/19/2022] [Accepted: 05/23/2022] [Indexed: 02/02/2023]
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13
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Chu LT, Kwong HK, Hartanto H, Chen TH. Detection of intracellular sodium ions based on phenotype-specific activation of NaA43 DNAzyme. Biosens Bioelectron 2022; 218:114753. [DOI: 10.1016/j.bios.2022.114753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/19/2022] [Accepted: 09/23/2022] [Indexed: 11/02/2022]
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14
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Zhang Q, Liang Y, Xing H. Caging-Decaging Strategies to Realize Spatiotemporal Control of DNAzyme Activity for Biosensing and Bioimaging. Chem Res Chin Univ 2022. [DOI: 10.1007/s40242-022-2137-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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15
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16
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Sánchez-Visedo A, Ferrero FJ, Costa-Fernández JM, Fernández-Argüelles MT. Inorganic nanoparticles coupled to nucleic acid enzymes as analytical signal amplification tools. Anal Bioanal Chem 2022; 414:5201-5215. [PMID: 35292825 PMCID: PMC8923336 DOI: 10.1007/s00216-022-03998-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 02/25/2022] [Accepted: 02/28/2022] [Indexed: 11/30/2022]
Abstract
Nucleic acid enzymes (NAzymes) are a class of nucleic acid molecules with catalytic activity, which can be modulated by the presence of different species such as metal ions, genetic biomarkers, small molecules or proteins, among others. NAzymes offer several important advantages for development of novel bioanalytical strategies, resulting from their functionality as specific recognition elements and as amplified analytical signal generators, making them ideal candidates for developing highly specific bioanalytical strategies for the detection of a wide variety of targets. When coupled with the exceptional features of inorganic nanoparticles (NPs), the sensitivity of the assays can be significantly improved, allowing the detection of targets using many different detection techniques including visual readout, spectrophotometry, fluorimetry, electrochemiluminescence, voltammetry, and single-particle inductively coupled plasma-mass spectrometry. Here we provide an overview of the fundamentals of novel strategies developed to achieve analytical signal amplification based on the use of NAzymes coupled with inorganic NPs. Some representative examples of such strategies for the highly sensitive detection of different targets will be presented, including metal ions, proteins, DNA- or RNA-based biomarkers, and small molecules or microorganisms. Furthermore, future prospective challenges will be discussed.
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Affiliation(s)
- Adrián Sánchez-Visedo
- Department of Physical and Analytical Chemistry, University of Oviedo, Avenida Julian Clavería 8, 33006, Oviedo (Asturias), Spain.
| | - Francisco Javier Ferrero
- Department of Electrical, Electronic, Computers and Systems Engineering, University of Oviedo, Campus de Gijón, Sede 3, 33204, Gijon (Asturias), Spain
| | - José M Costa-Fernández
- Department of Physical and Analytical Chemistry, University of Oviedo, Avenida Julian Clavería 8, 33006, Oviedo (Asturias), Spain
| | - María T Fernández-Argüelles
- Department of Physical and Analytical Chemistry, University of Oviedo, Avenida Julian Clavería 8, 33006, Oviedo (Asturias), Spain
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Nucleic acid-based fluorescent sensor systems: a review. Polym J 2022. [DOI: 10.1038/s41428-022-00623-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Jouha J, Xiong H. DNAzyme-Functionalized Nanomaterials: Recent Preparation, Current Applications, and Future Challenges. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2105439. [PMID: 34802181 DOI: 10.1002/smll.202105439] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 10/14/2021] [Indexed: 06/13/2023]
Abstract
DNAzyme-nanomaterial bioconjugates are a popular hybrid and have received major attention for diverse biomedical applications, such as bioimaging, biosensor development, cancer therapy, and drug delivery. Therefore, significant efforts are made to develop different strategies for the preparation of inorganic and organic nanoparticles (NPs) with specific morphologies and properties. DNAzymes functionalized with metal-organic frameworks (MOFs), gold nanoparticles (AuNPs), graphene oxide (GO), and molybdenum disulfide (MoS2 ) are introduced and summarized in detail in this review. Moreover, the focus is on representative examples of applications of DNAzyme-nanomaterials over recent years, especially in bioimaging, biosensing, phototherapy, and stimulation response delivery in living systems, with their several advantages and drawbacks. Finally, the perspective regarding the future directions of research addressing these challenges is also discussed and highlighted.
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Affiliation(s)
- Jabrane Jouha
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Hai Xiong
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, China
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19
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Hong C, Wang Q, Chen Y, Gao Y, Shang J, Weng X, Liu X, Wang F. Intelligent demethylase-driven DNAzyme sensor for highly reliable metal-ion imaging in living cells. Chem Sci 2021; 12:15339-15346. [PMID: 34976354 PMCID: PMC8635203 DOI: 10.1039/d1sc05370a] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 10/28/2021] [Indexed: 12/21/2022] Open
Abstract
The accurate intracellular imaging of metal ions requires an exquisite site-specific activation of metal-ion sensors, for which the pervasive epigenetic regulation strategy can serve as an ideal alternative thanks to its orthogonal control feature and endogenous cell/tissue-specific expression pattern. Herein, a simple yet versatile demethylation strategy was proposed for on-site repairing-to-activating the metal-ion-targeting DNAzyme and for achieving the accurate site-specific imaging of metal ions in live cells. This endogenous epigenetic demethylation-regulating DNAzyme system was prepared by modifying the DNAzyme with an m6A methylation group that incapacitates the DNAzyme probe, thus eliminating possible off-site signal leakage, while the cell-specific demethylase-mediated removal of methylation modification could efficiently restore the initial catalytic DNAzyme for sensing metal ions, thus allowing a high-contrast bioimaging in live cells. This epigenetic repair-to-activate DNAzyme strategy may facilitate the robust visualization of disease-specific biomarkers for in-depth exploration of their biological functions.
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Affiliation(s)
- Chen Hong
- College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 P. R. China
| | - Qing Wang
- College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 P. R. China
| | - Yingying Chen
- College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 P. R. China
| | - Yuhui Gao
- College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 P. R. China
| | - Jinhua Shang
- College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 P. R. China
| | - Xiaocheng Weng
- College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 P. R. China
| | - Xiaoqing Liu
- College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 P. R. China .,Research Institute of Shenzhen, Wuhan University Shenzhen 518057 P. R. China
| | - Fuan Wang
- College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 P. R. China .,Research Institute of Shenzhen, Wuhan University Shenzhen 518057 P. R. China
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20
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Zhang SY, Zhou ZR, Qian RC. Recent Progress and Perspectives on Cell Surface Modification. Chem Asian J 2021; 16:3250-3258. [PMID: 34427996 DOI: 10.1002/asia.202100852] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/22/2021] [Indexed: 11/11/2022]
Abstract
The cell membrane is a biological interface consisting of phospholipid bilayer, saccharides and proteins that maintains a stable metabolic intracellular environment as well as regulating and controlling the exchange of substances inside and outside the cell. Cell membranes provide a highly complex biological surface carrying a variety of essential surfaces ligands and receptors for cells to receive various stimuli of external signals, thereby inducing corresponding cell responses regulating the life activities of the cell. These surface receptors can be manipulated via cell surface modification to regulate cellular functions and behaviors Thus, cell surface modification has attracted considerable attention due to its significance in cell fate control, cell engineering and cell therapy. In this minireview, we describe the recent developments and advances of cell surface modification, and summarize the main modification methods with corresponding functions and applications. Finally, the prospect for the future development of the modification of the living cell membrane is discussed.
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Affiliation(s)
- Shi-Yi Zhang
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Ze-Rui Zhou
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Ruo-Can Qian
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
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21
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Wu Y, Li Z, Shi M, Yuan K, Meng HM, Qu L, Li Z. Programmable DNAzyme Computing for Specific In Vivo Imaging: Intracellular Stimulus-Unlocked Target Sensing and Signal Amplification. Anal Chem 2021; 93:12456-12463. [PMID: 34449199 DOI: 10.1021/acs.analchem.1c02699] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Molecular probe that enables in vivo imaging is the cornerstone of accurate disease diagnosis, prognostic estimation, and therapies. Although several nucleic acid-based probes have been reported for tumor detection, it is still a challenge to develop programmable methodology for accurately identifying tumors in vivo. Herein, a reconfigurable DNA hybridization-based reaction was constructed to assemble DNAzyme computing that contains an intracellular miRNA-unlocked entropy-driven catalysis module and an endogenous metal ion-responsive DNAzyme module for specific in vivo imaging. By reasonable design, the programmable DNAzyme computing can not only successfully distinguish tumor cells from normal cells but also enable tumor imaging in living mice. Due to its excellent operation with high specificity and sensitivity, this design may be broadly applied in the biological study and personalized medicine.
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Affiliation(s)
- Yanan Wu
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications, Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic, Zhengzhou University, Zhengzhou 450001, China
| | - Zhijun Li
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications, Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic, Zhengzhou University, Zhengzhou 450001, China
| | - Mingqing Shi
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications, Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic, Zhengzhou University, Zhengzhou 450001, China
| | - Kun Yuan
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications, Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic, Zhengzhou University, Zhengzhou 450001, China
| | - Hong-Min Meng
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications, Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic, Zhengzhou University, Zhengzhou 450001, China
| | - Lingbo Qu
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications, Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic, Zhengzhou University, Zhengzhou 450001, China
| | - Zhaohui Li
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications, Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic, Zhengzhou University, Zhengzhou 450001, China
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22
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Zhang M, Xu N, Xu W, Ling G, Zhang P. Potential therapies and diagnosis based on Golgi-targeted nano drug delivery systems. Pharmacol Res 2021; 175:105861. [PMID: 34464677 DOI: 10.1016/j.phrs.2021.105861] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/09/2021] [Accepted: 08/26/2021] [Indexed: 02/06/2023]
Abstract
With the rapid development of nanotechnology, organelle-targeted nano drug delivery systems (NDDSs) have emerged as a potential method which can transport drugs specifically to the subcellular compartments like nucleus, mitochondrion, lysosome, endoplasmic reticulum (ER) and Golgi apparatus (GA). GA not only plays a key role in receiving, modifying, packaging and transporting proteins and lipids, but also contributes to a set of cellular processes. Golgi-targeted NDDSs can alter the morphology of GA and will become a promising strategy with high specificity, low-dose administration and decreased occurrence of side effects. In this review, Golgi-targeted NDDSs and their applications in disease therapies and diagnosis such as cancer, metastasis, fibrosis and neurological diseases are introduced. Meanwhile, modifications of NDDSs to achieve targeting strategies, Golgi-disturbing agents to change the morphology of GA, special endocytosis to achieve endosomal/lysosomal escape strategies are also involved.
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Affiliation(s)
- Manyue Zhang
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Na Xu
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Wenxin Xu
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Guixia Ling
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China.
| | - Peng Zhang
- Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China.
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23
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Abstract
This article provides a comprehensive review of biosensing with DNAzymes, providing an overview of different sensing applications while highlighting major progress and seminal contributions to the field of portable biosensor devices and point-of-care diagnostics. Specifically, the field of functional nucleic acids is introduced, with a specific focus on DNAzymes. The incorporation of DNAzymes into bioassays is then described, followed by a detailed overview of recent advances in the development of in vivo sensing platforms and portable sensors incorporating DNAzymes for molecular recognition. Finally, a critical perspective on the field, and a summary of where DNAzyme-based devices may make the biggest impact are provided.
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Affiliation(s)
- Erin M McConnell
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario L8S 4K1, Canada.
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24
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Li D, Liu Y, Yu S, Zhang D, Wang X, Zhong H, He K, Wang Y, Wu YX. A two-photon fluorescence silica nanoparticle-based FRET nanoprobe platform for effective ratiometric bioimaging of intracellular endogenous adenosine triphosphate. Analyst 2021; 146:4945-4953. [PMID: 34259245 DOI: 10.1039/d1an00419k] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two-photon fluorescence imaging is one of the most attractive imaging techniques for monitoring important biomolecules in the biomedical field due to its advantages of low light scattering, high penetration depth, and suppressed photodamage/phototoxicity under near-infrared excitation. However, in actual biological imaging, organic two-photon fluorescent dyes have disadvantages such as high biological toxicity and their fluorescence efficiency is easily affected by the complex environment in organisms. In this study, a novel nanoprobe platform with two-photon dye-doped silica nanoparticles was developed for FRET-based ratiometric biosensing and bioimaging, with endogenous ATP chosen as the target for detection. The nanoprobe has three components: (1) a two-photon dye-doped silica nanoparticle core, which serves as an energy donor for FRET; (2) amino-modified hairpin primers with carboxy fluorescein as an energy acceptor for FRET; (3) an aptamer acting as a recognition unit to realize the probing function. The nanoprobe showed ratiometric fluorescence responses for ATP detection with high sensitivity and high selectivity in vivo. Moreover, the nanoprobe showed satisfactory ratiometric two-photon fluorescence imaging of endogenous ATP in living cells and tissues (penetration depth of 190 nm). These results indicated that novel two-photon silica nanoparticles can be constructed by doping a two-photon fluorescent dye into silica nanoparticles, and they can effectively solve the disadvantages of two-photon fluorescent dyes. These excellent performances indicate that this novel nanoprobe platform will become a very valuable molecular imaging tool, which can be widely used in the biomedical field for drug screening and disease diagnosis and other related research.
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Affiliation(s)
- Dian Li
- State Key Laboratory Base of Novel Functional Materials and Preparation Science, Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China.
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25
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Lu S, Shen J, Fan C, Li Q, Yang X. DNA Assembly-Based Stimuli-Responsive Systems. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2100328. [PMID: 34258165 PMCID: PMC8261508 DOI: 10.1002/advs.202100328] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 03/05/2021] [Indexed: 05/06/2023]
Abstract
Stimuli-responsive designs with exogenous stimuli enable remote and reversible control of DNA nanostructures, which break many limitations of static nanostructures and inspired development of dynamic DNA nanotechnology. Moreover, the introduction of various types of organic molecules, polymers, chemical bonds, and chemical reactions with stimuli-responsive properties development has greatly expand the application scope of dynamic DNA nanotechnology. Here, DNA assembly-based stimuli-responsive systems are reviewed, with the focus on response units and mechanisms that depend on different exogenous stimuli (DNA strand, pH, light, temperature, electricity, metal ions, etc.), and their applications in fields of nanofabrication (DNA architectures, hybrid architectures, nanomachines, and constitutional dynamic networks) and biomedical research (biosensing, bioimaging, therapeutics, and theranostics) are discussed. Finally, the opportunities and challenges for DNA assembly-based stimuli-responsive systems are overviewed and discussed.
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Affiliation(s)
- Shasha Lu
- School of Chemistry and Chemical EngineeringFrontiers Science Center for Transformative MoleculesInstitute of Translational MedicineShanghai Jiao Tong UniversityShanghai200240China
| | - Jianlei Shen
- School of Chemistry and Chemical EngineeringFrontiers Science Center for Transformative MoleculesInstitute of Translational MedicineShanghai Jiao Tong UniversityShanghai200240China
| | - Chunhai Fan
- School of Chemistry and Chemical EngineeringFrontiers Science Center for Transformative MoleculesInstitute of Translational MedicineShanghai Jiao Tong UniversityShanghai200240China
- Institute of Molecular MedicineShanghai Key Laboratory for Nucleic Acid Chemistry and NanomedicineDepartment of UrologyRenji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai200127China
| | - Qian Li
- School of Chemistry and Chemical EngineeringFrontiers Science Center for Transformative MoleculesInstitute of Translational MedicineShanghai Jiao Tong UniversityShanghai200240China
| | - Xiurong Yang
- School of Chemistry and Chemical EngineeringFrontiers Science Center for Transformative MoleculesInstitute of Translational MedicineShanghai Jiao Tong UniversityShanghai200240China
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26
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XING S, HE M, LIU T, YONG W, ZHANG F. [Research progress of solid phase extraction materials in the application of metal ion pretreatment]. Se Pu 2021; 39:455-462. [PMID: 34227329 PMCID: PMC9421574 DOI: 10.3724/sp.j.1123.2020.07004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Indexed: 11/25/2022] Open
Abstract
Monitoring of trace heavy metal pollutants released during industrial and agricultural processes is essential because of their widespread distribution in the environment and health hazards. Several techniques, including inductively coupled plasma-mass spectrometry (ICP-MS), inductively coupled plasma-optical emission spectrometry (ICP-OES), electrothermal atomic absorption (ETAAS), and flame atomic absorption spectrometry (FAAS), have been proposed for the determination of heavy metals in serum, plasma, whole blood, and food. All these techniques have earned robust recognition in the field of trace heavy metals and have many advantages such as multi-elemental analysis capability, large dynamic linear range, low detection limits, and high productivity. Nevertheless, most of the recommended techniques require digestion of the sample and extraction with an organic solvent for isolation of the metal ion from the sample solution prior to analysis. Despite improvements in the performance of modern analytical instruments, the direct determination of heavy metal ions in real samples is difficult because of their low concentration levels and matrix interference. Thus, extraction and clean-up steps are required for pre-concentration of the analyte, so that detection and elimination of the interfering matrix component are possible. Solid-phase extraction (SPE) is one of the popular metal ion pretreatment methods. The advantages of SPE include easy cartridge/column regeneration, high analytical frequency, and high preconcentration factors for sorbents with high adsorption capacities. On the other hand, when the analytes are extracted from a complex matrix such as serum and meat samples, large amounts of proteins from the samples can be retained on the sorbent surface, obstructing the binding sites on the sorbent and leading to poor precision and accuracy. The key to metal ion detection is the development of new SPE materials with high efficiency and enrichment factors as well as an effective pretreatment technology. Nanomaterials such as restricted-access carbon nanotubes, nanoadsorbents, nanoparticle carriers, and magnetic nanoparticles have shown great promise in advancing biomedical and environmental analysis because of the unique properties originating from their ultrafine dimensions. Nanomaterials can provide large specific surface areas and tunable functional groups to facilitate metal ion absorption. They could also possess superior optical properties and allow for high sensitivity in simple fluorescent or colorimetric detection methods. Owing to their excellent mechanical and chemical stability, polymer materials have been of great interest as adsorbents for the SPE of metal ions from solution. Moreover, a designed polymeric material can show triple functionality such as physical adsorption, chelate formation, and ion exchange for the target metal ions. A dual-functional nanomaterial-DNAzyme platform can simultaneously allow for the sensitive detection and effective removal of heavy metal ions in water. Thus, this platform can serve as a simple, cost-effective tool for rapid and accurate metal quantification in the determination of human metal exposure and inspection of environmental contamination. Furthermore, the new photocaged chelator can uncage and release the combined metal ions into an aqueous solution that is free of the other components of the matrix. In this manner, we can develop diagnostic tests for metal ions that are often difficult to detect using other methods. In this paper, the characteristics of new SPE materials, including nanomaterials, polymer materials, and functional materials as well as advances in their applications to the preparation of complex samples are summarized, and the direction for future development is proposed.
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Affiliation(s)
- Shige XING
- 中国检验检疫科学研究院食品安全研究所, 北京 100176
- Institute of Food Safety, Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Muyi HE
- 中国检验检疫科学研究院食品安全研究所, 北京 100176
- Institute of Food Safety, Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Tong LIU
- 中国检验检疫科学研究院食品安全研究所, 北京 100176
- Institute of Food Safety, Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Wei YONG
- 中国检验检疫科学研究院食品安全研究所, 北京 100176
- Institute of Food Safety, Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Feng ZHANG
- 中国检验检疫科学研究院食品安全研究所, 北京 100176
- Institute of Food Safety, Chinese Academy of Inspection and Quarantine, Beijing 100176, China
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27
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Martínez-Ahumada E, Díaz-Ramírez ML, Velásquez-Hernández MDJ, Jancik V, Ibarra IA. Capture of toxic gases in MOFs: SO 2, H 2S, NH 3 and NO x. Chem Sci 2021; 12:6772-6799. [PMID: 34123312 PMCID: PMC8153083 DOI: 10.1039/d1sc01609a] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 04/28/2021] [Indexed: 12/11/2022] Open
Abstract
MOFs are promising candidates for the capture of toxic gases since their adsorption properties can be tuned as a function of the topology and chemical composition of the pores. Although the main drawback of MOFs is their vulnerability to these highly corrosive gases which can compromise their chemical stability, remarkable examples have demonstrated high chemical stability to SO2, H2S, NH3 and NO x . Understanding the role of different chemical functionalities, within the pores of MOFs, is the key for accomplishing superior captures of these toxic gases. Thus, the interactions of such functional groups (coordinatively unsaturated metal sites, μ-OH groups, defective sites and halogen groups) with these toxic molecules, not only determines the capture properties of MOFs, but also can provide a guideline for the desigh of new multi-functionalised MOF materials. Thus, this perspective aims to provide valuable information on the significant progress on this environmental-remediation field, which could inspire more investigators to provide more and novel research on such challenging task.
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Affiliation(s)
- Eva Martínez-Ahumada
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México Circuito Exterior s/n, CU, Del. Coyoacán, 04510 Ciudad de México Mexico +52(55) 5622-4595
| | | | | | - Vojtech Jancik
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria Ciudad de México Mexico
- Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM Carr. Toluca-Atlacomulco Km 14.5 Toluca Estado de México 50200 Mexico
| | - Ilich A Ibarra
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México Circuito Exterior s/n, CU, Del. Coyoacán, 04510 Ciudad de México Mexico +52(55) 5622-4595
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28
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Xing S, Lin Y, Cai L, Basa PN, Shigemoto AK, Zheng C, Zhang F, Burdette SC, Lu Y. Detection and Quantification of Tightly Bound Zn 2+ in Blood Serum Using a Photocaged Chelator and a DNAzyme Fluorescent Sensor. Anal Chem 2021; 93:5856-5861. [PMID: 33787228 DOI: 10.1021/acs.analchem.1c00140] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
DNAzymes have emerged as a powerful class of sensors for metal ions due to their high selectivity over a wide range of metal ions, allowing for on-site and real-time detection. Despite much progress made in this area, detecting and quantifying tightly bound metal ions, such as those in the blood serum, remain a challenge because the DNAzyme sensors reported so far can detect only mobile metal ions that are accessible to bind the DNAzymes. To overcome this major limitation, we report the use of a photocaged chelator, XDPAdeCage to extract the Zn2+ from the blood serum and then release the chelated Zn2+ into a buffer using 365 nm light for quantification by an 8-17 DNAzyme sensor. Protocols to chelate, uncage, extract, and detect metal ions in the serum have been developed and optimized. Because DNAzyme sensors for other metal ions have already been reported and more DNAzyme sensors can be obtained using in vitro selection, the method reported in this work will significantly expand the applications of the DNAzyme sensors from sensing metal ions that are not only free but also bound to other biomolecules in biological and environmental samples.
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Affiliation(s)
- Shige Xing
- Department of Chemistry, Department of Biochemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Institute of Food Safety, Chinese Academy of Inspection & Quarantine, Beijing 100176, China
| | - Yao Lin
- Department of Chemistry, Department of Biochemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.,Department of Forensic Analytical Toxicology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, Sichuan 610041, China
| | - Liangyuan Cai
- Department of Chemistry, Department of Biochemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
| | - Prem N Basa
- Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609-2280, United States
| | - Austin K Shigemoto
- Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609-2280, United States
| | - Chengbin Zheng
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Feng Zhang
- Institute of Food Safety, Chinese Academy of Inspection & Quarantine, Beijing 100176, China
| | - Shawn C Burdette
- Department of Chemistry and Biochemistry, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609-2280, United States
| | - Yi Lu
- Department of Chemistry, Department of Biochemistry, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
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29
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Demir Duman F, Forgan RS. Applications of nanoscale metal-organic frameworks as imaging agents in biology and medicine. J Mater Chem B 2021; 9:3423-3449. [PMID: 33909734 DOI: 10.1039/d1tb00358e] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Nanoscale metal-organic frameworks (NMOFs) are an interesting and unique class of hybrid porous materials constructed by the self-assembly of metal ions/clusters with organic linkers. The high storage capacities, facile synthesis, easy surface functionalization, diverse compositions and excellent biocompatibilities of NMOFs have made them promising agents for theranostic applications. By combination of a large variety of metal ions and organic ligands, and incorporation of desired molecular functionalities including imaging modalities and therapeutic molecules, diverse MOF structures with versatile functionalities can be obtained and utilized in biomedical imaging and drug delivery. In recent years, NMOFs have attracted great interest as imaging agents in optical imaging (OI), magnetic resonance imaging (MRI), computed tomography (CT), positron emission tomography (PET) and photoacoustic imaging (PAI). Furthermore, the significant porosity of MOFs allows them to be loaded with multiple imaging agents and therapeutics simultaneously and applied for multimodal imaging and therapy as a single entity. In this review, which is intended as an introduction to the use of MOFs in biomedical imaging for a reader entering the subject, we summarize the up-to-date progress of NMOFs as bioimaging agents, giving (i) a broad perspective of the varying imaging techniques that MOFs can enable, (ii) the different routes to manufacturing functionalised MOF nanoparticles and hybrids, and (iii) the integration of imaging with differing therapeutic techniques. The current challenges and perspectives of NMOFs for their further clinical translation are also highlighted and discussed.
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Affiliation(s)
- Fatma Demir Duman
- WestCHEM, School of Chemistry, University of Glasgow, University Avenue, Glasgow G12 8QQ, UK.
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30
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Chen C, Wu R, Wang B. Development of a neuron model based on DNAzyme regulation. RSC Adv 2021; 11:9985-9994. [PMID: 35423534 PMCID: PMC8695483 DOI: 10.1039/d0ra10515e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 03/02/2021] [Indexed: 12/25/2022] Open
Abstract
Neural networks based on DNA molecular circuits play an important role in molecular information processing and artificial intelligence systems. In fact, some DNA molecular systems can become dynamic units with the assistance of DNAzymes. The complex DNA circuits can spontaneously induce corresponding feedback behaviors when their inputs changed. However, most of the reported DNA neural networks have been implemented by the toehold-mediated strand displacement (TMSD) method. Therefore, it was important to develop a method to build a neural network utilizing the TMSD mechanism and adding a mechanism to account for modulation by DNAzymes. In this study, we designed a model of a DNA neuron controlled by DNAzymes. We proposed an approach based on the DNAzyme modulation of neuronal function, combing two reaction mechanisms: DNAzyme digestion and TMSD. Using the DNAzyme adjustment, each component simulating the characteristics of neurons was constructed. By altering the input and weight of the neuron model, we verified the correctness of the computational function of the neurons. Furthermore, in order to verify the application potential of the neurons in specific functions, a voting machine was successfully implemented. The proposed neuron model regulated by DNAzymes was simple to construct and possesses strong scalability, having great potential for use in the construction of large neural networks.
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Affiliation(s)
- Cong Chen
- Key Laboratory of Advanced Design and Intelligent Computing, Ministry of Education, School of Software Engineering, Dalian University Dalian 116622 China
| | - Ranfeng Wu
- School of Computer Science and Technology, Dalian University of Technology Dalian 116024 China
| | - Bin Wang
- Key Laboratory of Advanced Design and Intelligent Computing, Ministry of Education, School of Software Engineering, Dalian University Dalian 116622 China
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31
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Yi D, Zhao J, Li L. An Enzyme‐Activatable Engineered DNAzyme Sensor for Cell‐Selective Imaging of Metal Ions. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015979] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Deyu Yi
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology Beijing 100190 China
- College of Materials Science and Optoelectronic Technology University of Chinese Academy of Sciences Beijing 100190 China
| | - Jian Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology Beijing 100190 China
- College of Materials Science and Optoelectronic Technology University of Chinese Academy of Sciences Beijing 100190 China
| | - Lele Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology Beijing 100190 China
- College of Materials Science and Optoelectronic Technology University of Chinese Academy of Sciences Beijing 100190 China
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32
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Yi D, Zhao J, Li L. An Enzyme‐Activatable Engineered DNAzyme Sensor for Cell‐Selective Imaging of Metal Ions. Angew Chem Int Ed Engl 2021; 60:6300-6304. [DOI: 10.1002/anie.202015979] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Deyu Yi
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology Beijing 100190 China
- College of Materials Science and Optoelectronic Technology University of Chinese Academy of Sciences Beijing 100190 China
| | - Jian Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology Beijing 100190 China
- College of Materials Science and Optoelectronic Technology University of Chinese Academy of Sciences Beijing 100190 China
| | - Lele Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety and CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology Beijing 100190 China
- College of Materials Science and Optoelectronic Technology University of Chinese Academy of Sciences Beijing 100190 China
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33
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Shen F, Zhang C, Cai Z, Wang J, Zhang X, Machuki JO, Shi H, Gao F. Carbon Nanohorns/Pt Nanoparticles/DNA Nanoplatform for Intracellular Zn 2+ Imaging and Enhanced Cooperative Phototherapy of Cancer Cells. Anal Chem 2020; 92:16158-16169. [PMID: 33217231 DOI: 10.1021/acs.analchem.0c03880] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Superfluous zinc ion (Zn2+) in living cells has been identified as a potential tumor biomarker for early cancer diagnosis and cancer progression monitoring. In this paper, we developed a novel carbon nanohorns/Pt nanoparticles/DNA (CNHs/Pt NPs/DNA) nanoplatform based on the clamped hybridization chain reaction (c-HCR) process for intracellular Zn2+ imaging and enhanced cooperative phototherapy of cancer cells. Cross-shaped DNAzyme (c-DNAzyme), hairpin DNA1, hairpin DNA2, and aptamer DNA were adsorbed onto the surfaces of CNHs/Pt NPs, and the fluorescence of carboxytetramethyl-rhodamine was also quenched. After entering the living cells, the c-DNAzyme was cleaved to output trigger DNA in the existence of intracellular Zn2+ and initiate the c-HCR process for fluorescence amplification. Compared with the single HCR process triggered by a single DNAzyme, the c-HCR process could further improve the amplification efficiency and sensitivity. In addition, such a nanoprobe possesses a catalysis-enhanced photodynamic effect by Pt NP generation of oxygen in a tumor microenvironment and increases the photothermal effect by loading of Pt NPs on CNHs, indicating that this is a promising biological method for cancer diagnosis and cancer cell therapy.
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Affiliation(s)
- Fuzhi Shen
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, Xuzhou Medical University, Jiangsu 221004, Xuzhou, China
| | - Caiyi Zhang
- The Affiliated Xuzhou Oriental Hospital of Xuzhou Medical University, Xuzhou 221000, China
| | - Zhiheng Cai
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, Xuzhou Medical University, Jiangsu 221004, Xuzhou, China
| | - Jiwei Wang
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, Xuzhou Medical University, Jiangsu 221004, Xuzhou, China
| | - Xing Zhang
- Department of Trauma and Reconstructive Surgery, RWTH Aachen University Hospital, Aachen 52062, Germany
| | - Jeremiah Ong'achwa Machuki
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, Xuzhou Medical University, Jiangsu 221004, Xuzhou, China
| | - Hengliang Shi
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, Xuzhou Medical University, Jiangsu 221004, Xuzhou, China.,Central Laboratory, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - Fenglei Gao
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, Xuzhou Medical University, Jiangsu 221004, Xuzhou, China
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34
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Gao YG, Huangfu SY, Patil S, Tang Q, Sun W, Li Y, Lu ZL, Qian A. [12]aneN 3-based multifunctional compounds as fluorescent probes and nucleic acids delivering agents. Drug Deliv 2020; 27:66-80. [PMID: 31858838 PMCID: PMC6968532 DOI: 10.1080/10717544.2019.1704943] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Revised: 12/03/2019] [Accepted: 12/11/2019] [Indexed: 12/31/2022] Open
Abstract
A series of multifunctional compounds (MFCs) 1a-1e based on 1,8-naphthalimide and [12]aneN3 building blocks were designed and synthesized. They were used as not only fluorescent probes for recognition of Cu2+ ions but also as non-viral gene vectors for DNA and RNA delivery. Furthermore, their complexes with Cu2+ (1-Cu) could also selectively stain lysosome in HeLa cells. In order to achieve high performance multifunctional materials, structure-performance relationship of MFCs 1a-1e was studied. It was found that MFCs 1a-1e exhibited highly selective fluorescence turn-off for Cu2+, without interference by other metal ions in aqueous solution. The fluorescence emission of 1a-1e was quenched by a factor of 10-fold, 47-fold, 6-fold, 64-fold, and 15-fold respectively in the presence of Cu2+ ions. Due to high sensitivity, good water solubility, and low cytotoxicity, MFCs 1a-1d were successfully applied in the recognition of Cu2+ and selectively staining lysosome in HeLa cells. Most importantly, MFCs 1a and 1b had excellent HeLa cell selectivity in RNA delivery, and their performances were far better than lipofectamine 2000 and 25 kDa PEI.
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Affiliation(s)
- Yong-Guang Gao
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi, China
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, China
| | - Shu-Yuan Huangfu
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi, China
| | - Suryaji Patil
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi, China
| | - Quan Tang
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, China
| | - Wan Sun
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, China
| | - Yu Li
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi, China
| | - Zhong-Lin Lu
- Key Laboratory of Theoretical and Computational Photochemistry, Ministry of Education, College of Chemistry, Beijing Normal University, Beijing, China
| | - Airong Qian
- Lab for Bone Metabolism, Key Lab for Space Biosciences and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi’an, Shaanxi, China
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35
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Moon WJ, Yang Y, Liu J. Zn 2+ -Dependent DNAzymes: From Solution Chemistry to Analytical, Materials and Therapeutic Applications. Chembiochem 2020; 22:779-789. [PMID: 33007113 DOI: 10.1002/cbic.202000586] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 10/01/2020] [Indexed: 12/20/2022]
Abstract
Since 1994, deoxyribozymes or DNAzymes have been in vitro selected to catalyze various types of reactions. Metal ions play a critical role in DNAzyme catalysis, and Zn2+ is a very important one among them. Zn2+ has good biocompatibility and can be used for intracellular applications. Chemically, Zn2+ is a Lewis acid and it can bind to both the phosphate backbone and the nucleobases of DNA. Zn2+ undergoes hydrolysis even at neutral pH, and the partially hydrolyzed polynuclear complexes can affect the interactions with DNA. These features have made Zn2+ a unique cofactor for DNAzyme reactions. This review summarizes Zn2+ -dependent DNAzymes with an emphasis on RNA-/DNA-cleaving reactions. A key feature is the sharp Zn2+ concentration and pH-dependent activity for many of the DNAzymes. The applications of these DNAzymes as biosensors for Zn2+ , as therapeutic agents to cleave intracellular RNA, and as chemical biology tools to manipulate DNA are discussed. Future studies can focus on the selection of new DNAzymes with improved performance and detailed biochemical characterizations to understand the role of Zn2+ , which can facilitate practical applications of Zn2+ -dependent DNAzymes.
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Affiliation(s)
- Woohyun J Moon
- Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Yongjie Yang
- Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada.,Department of Food and Biological Science, College of Agricultural, Yanbian University, Yanbian Chaoxianzuzizhizhou, Yanji, 133002, P. R. China
| | - Juewen Liu
- Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada.,Centre for Eye and Vision Research, 17W Hong Kong Science Park, Hong Kong, China
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36
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Shi X, Meng HM, Geng X, Qu L, Li Z. DNAzyme-Metal-Organic Framework Two-Photon Nanoprobe for In situ Monitoring of Apoptosis-Associated Zn 2+ in Living Cells and Tissues. ACS Sens 2020; 5:3150-3157. [PMID: 32962339 DOI: 10.1021/acssensors.0c01271] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Monitoring Zn2+ in living cells is critical for fully elucidating the biological process of apoptosis. However, the quantitative intracellular sensing of Zn2+ using DNAzyme remains challenging because of issues related to penetration of the signal through tissue, targeted cellular uptake and activation, and susceptibility toward enzymatic degradation. In this study, we developed a novel phosphate ion-activated DNAzyme-metal-organic frameworks (MOFs) nanoprobe for two-photon imaging of Zn2+ in living cells and tissues. The design of this nanoprobe involved the loading of a Zn2+-specific, RNA-cleaving DNAzyme onto the MOFs through strong coordination between the phosphonate O atoms of the DNAzyme backbone and Zr atoms in the MOFs. This coordination restrained the extracellular activity of DNAzyme; however, after cell entry, the DNAzyme was released from the MOFs through a competitive binding by the phosphate ions present at a high intracellular concentration. Following their release, the two-photon (TP) fluorophore-labeled substrate strands of DNAzyme were cleaved with the aid of Zn2+, which resulted in a strong fluorescence signal. The incorporation of a TP fluorophore into the nanoprobe facilitated near-infrared excitation, which allowed the highly sensitive and specific imaging of Zn2+ in living cells and tissues at greater depths than possible previously. The TP-DNAzyme-MOFs nanoprobe achieved a low detection limit of 3.53 nM, extraordinary selectivity toward Zn2+, and a tissue signal penetration of 120 μm. More importantly, this nanoprobe was successfully used to monitor cell apoptosis, and this application of the DNAzyme-MOFs probe holds great potential for future use in biological studies and medical diagnostics.
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Affiliation(s)
- Xinxin Shi
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications, Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic, Zhengzhou University, Zhengzhou 450001, China
| | - Hong-Min Meng
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications, Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic, Zhengzhou University, Zhengzhou 450001, China
| | - Xin Geng
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications, Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic, Zhengzhou University, Zhengzhou 450001, China
| | - Lingbo Qu
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications, Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic, Zhengzhou University, Zhengzhou 450001, China
- Institute of Chemical Biology and Clinical Application, First Affiliated Hospital of Zhengzhou University, Zhengzhou 450001, China
| | - Zhaohui Li
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications, Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic, Zhengzhou University, Zhengzhou 450001, China
- Institute of Chemical Biology and Clinical Application, First Affiliated Hospital of Zhengzhou University, Zhengzhou 450001, China
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37
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Hu Y, Wang Y, Yan J, Wen N, Xiong H, Cai S, He Q, Peng D, Liu Z, Liu Y. Dynamic DNA Assemblies in Biomedical Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2000557. [PMID: 32714763 PMCID: PMC7375253 DOI: 10.1002/advs.202000557] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 04/07/2020] [Indexed: 05/13/2023]
Abstract
Deoxyribonucleic acid (DNA) has been widely used to construct homogeneous structures with increasing complexity for biological and biomedical applications due to their powerful functionalities. Especially, dynamic DNA assemblies (DDAs) have demonstrated the ability to simulate molecular motions and fluctuations in bionic systems. DDAs, including DNA robots, DNA probes, DNA nanochannels, DNA templates, etc., can perform structural transformations or predictable behaviors in response to corresponding stimuli and show potential in the fields of single molecule sensing, drug delivery, molecular assembly, etc. A wave of exploration of the principles in designing and usage of DDAs has occurred, however, knowledge on these concepts is still limited. Although some previous reviews have been reported, systematic and detailed reviews are rare. To achieve a better understanding of the mechanisms in DDAs, herein, the recent progress on the fundamental principles regarding DDAs and their applications are summarized. The relative assembly principles and computer-aided software for their designing are introduced. The advantages and disadvantages of each software are discussed. The motional mechanisms of the DDAs are classified into exogenous and endogenous stimuli-triggered responses. The special dynamic behaviors of DDAs in biomedical applications are also summarized. Moreover, the current challenges and future directions of DDAs are proposed.
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Affiliation(s)
- Yaqin Hu
- Department of Pharmaceutical EngineeringCollege of Chemistry and Chemical EngineeringCentral South UniversityChangshaHunan410083P. R. China
| | - Ying Wang
- Department of Pharmaceutical EngineeringCollege of Chemistry and Chemical EngineeringCentral South UniversityChangshaHunan410083P. R. China
| | - Jianhua Yan
- Xiangya School of Pharmaceutical SciencesCentral South UniversityChangshaHunan410013P. R. China
| | - Nachuan Wen
- Department of Pharmaceutical EngineeringCollege of Chemistry and Chemical EngineeringCentral South UniversityChangshaHunan410083P. R. China
| | - Hongjie Xiong
- Xiangya School of Pharmaceutical SciencesCentral South UniversityChangshaHunan410013P. R. China
| | - Shundong Cai
- Xiangya School of Pharmaceutical SciencesCentral South UniversityChangshaHunan410013P. R. China
| | - Qunye He
- Xiangya School of Pharmaceutical SciencesCentral South UniversityChangshaHunan410013P. R. China
| | - Dongming Peng
- Department of Medicinal ChemistrySchool of PharmacyHunan University of Chinese MedicineChangshaHunan410013P. R. China
| | - Zhenbao Liu
- Xiangya School of Pharmaceutical SciencesCentral South UniversityChangshaHunan410013P. R. China
- Molecular Imaging Research Center of Central South UniversityChangshaHunan410013P. R. China
| | - Yanfei Liu
- Department of Pharmaceutical EngineeringCollege of Chemistry and Chemical EngineeringCentral South UniversityChangshaHunan410083P. R. China
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38
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Xu W, Zhao A, Zuo F, Khan R, Hussain HMJ, Li J. A highly sensitive DNAzyme-based SERS biosensor for quantitative detection of lead ions in human serum. Anal Bioanal Chem 2020; 412:4565-4574. [DOI: 10.1007/s00216-020-02709-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 05/07/2020] [Accepted: 05/13/2020] [Indexed: 02/03/2023]
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39
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DNAzyme-functionalized porous carbon nanospheres serve as a fluorescent nanoprobe for imaging detection of microRNA-21 and zinc ion in living cells. Mikrochim Acta 2020; 187:249. [DOI: 10.1007/s00604-020-04226-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 03/16/2020] [Indexed: 02/07/2023]
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40
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Cui MR, Li XL, Xu JJ, Chen HY. Acid-Switchable DNAzyme Nanodevice for Imaging Multiple Metal Ions in Living Cells. ACS APPLIED MATERIALS & INTERFACES 2020; 12:13005-13012. [PMID: 32100993 DOI: 10.1021/acsami.0c00987] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Metal-assisted deoxyribozyme catalysis (DNAzyme) has been a general platform for constructing highly sensitive and selective detection sensors of metal ions. However, the "always on" mode of the traditional DNAzyme sensors greatly limits their application in the visual analysis of endogenous metal ions in a complex physiological microenvironment. To overcome this obstacle, a smart acid-switchable DNAzyme nanodevice is designed to control the DNAzyme activity in living cells and achieve simultaneous visualization of metal ions (Zn2+ and Pb2+) in situ. This nanodevice is built on DNAzyme precursors (DPs) and acid-switchable DNA (SW-DNA), precisely responding to pH variations in the range of 4.5-7.0, and the state of the three-strand hybridization of DPs successfully renders the DNAzymes inactive before being transported into cells. Once the nanodevice is taken up into living cells, the SW-DNA will change the configuration from linear to triplex in the acidic intracellular compartments (lysosomes, pH ∼4.5 to 5.0) and then the strands hybridized with the SW-DNA are liberated and subsequently react with DPs to form the active DNAzyme, which can further realize multi-imaging of intracellular metal ions. Moreover, this strategy has broad prospects as a powerful platform for constructing various acid-switchable nanodevices for visual analysis of multiple biomolecules in living cells.
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Affiliation(s)
- Mei-Rong Cui
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Xiang-Ling Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Life Science and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P. R. China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
| | - Hong-Yuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
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41
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Xiong M, Liu Q, Tang D, Liu L, Kong G, Fu X, Yang C, Lyu Y, Meng HM, Ke G, Zhang XB. “Apollo Program” in Nanoscale: Landing and Exploring Cell-Surface with DNA Nanotechnology. ACS APPLIED BIO MATERIALS 2020; 3:2723-2742. [DOI: 10.1021/acsabm.9b01193] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Mengyi Xiong
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, P. R. China
| | - Qin Liu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, P. R. China
| | - Decui Tang
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, P. R. China
| | - Lu Liu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, P. R. China
| | - Gezhi Kong
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, P. R. China
| | - Xiaoyi Fu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, P. R. China
| | - Chan Yang
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, P. R. China
| | - Yifan Lyu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, P. R. China
| | - Hong-Min Meng
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Guoliang Ke
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, P. R. China
| | - Xiao-Bing Zhang
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Collaborative Innovation Center for Chemistry and Molecular Medicine, Hunan University, Changsha 410082, P. R. China
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42
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Huang PJ, Rochambeau D, Sleiman HF, Liu J. Target Self‐Enhanced Selectivity in Metal‐Specific DNAzymes. Angew Chem Int Ed Engl 2020; 59:3573-3577. [PMID: 31867832 DOI: 10.1002/anie.201915675] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Po‐Jung Jimmy Huang
- Department of ChemistryWaterloo Institute for Nanotechnology University of Waterloo 200 University Avenue West Waterloo Ontario N2L 3G1 Canada
| | - Donatien Rochambeau
- Department of ChemistryMcGill University 801 Sherbrooke Street West Montréal Québec H3A 0B8 Canada
| | - Hanadi F. Sleiman
- Department of ChemistryMcGill University 801 Sherbrooke Street West Montréal Québec H3A 0B8 Canada
| | - Juewen Liu
- Department of ChemistryWaterloo Institute for Nanotechnology University of Waterloo 200 University Avenue West Waterloo Ontario N2L 3G1 Canada
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43
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Huang PJ, Rochambeau D, Sleiman HF, Liu J. Target Self‐Enhanced Selectivity in Metal‐Specific DNAzymes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201915675] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Po‐Jung Jimmy Huang
- Department of ChemistryWaterloo Institute for Nanotechnology University of Waterloo 200 University Avenue West Waterloo Ontario N2L 3G1 Canada
| | - Donatien Rochambeau
- Department of ChemistryMcGill University 801 Sherbrooke Street West Montréal Québec H3A 0B8 Canada
| | - Hanadi F. Sleiman
- Department of ChemistryMcGill University 801 Sherbrooke Street West Montréal Québec H3A 0B8 Canada
| | - Juewen Liu
- Department of ChemistryWaterloo Institute for Nanotechnology University of Waterloo 200 University Avenue West Waterloo Ontario N2L 3G1 Canada
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44
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Zhou H, Yang H, Wang G, Gao A, Yuan Z. Recent Advances of Plasmonic Gold Nanoparticles in Optical Sensing and Therapy. Curr Pharm Des 2020; 25:4861-4876. [DOI: 10.2174/1381612826666191219130033] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 11/26/2019] [Indexed: 12/11/2022]
Abstract
:
Gold nanoparticles with special surface plasmon resonance have been widely used in sensing and
therapy because of their easy preparation, unique optical properties, excellent biocompatibility, etc. The applications
of gold nanoparticles in chemo/biosensing, imaging, and therapy reported in 2016-2019, are summarized in
this review. Regarding the gold nanoparticle-based sensing or imaging, sensing mechanisms and strategies are
provided to illustrate the concepts for designing sensitive and selective detection platforms. Gold nanoparticlemediated
therapy is introduced by surface plasmon resonance-based therapy and delivery-based therapy. Beyond
the sole therapeutic system, platforms through synergistic therapy are also discussed. In the end, discussion of the
challenges and future trends of gold nanoparticle-based sensing and therapy systems is described.
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Affiliation(s)
- He Zhou
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Hongwei Yang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Guangke Wang
- Global Energy Interconnection Research Institute Co. Ltd, Beijing 102211, China
| | - Aijun Gao
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zhiqin Yuan
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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Hu L, Fu X, Kong G, Yin Y, Meng HM, Ke G, Zhang XB. DNAzyme–gold nanoparticle-based probes for biosensing and bioimaging. J Mater Chem B 2020; 8:9449-9465. [DOI: 10.1039/d0tb01750g] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The design and applications of DNAzyme–gold nanoparticle-based probes in biosensing and bioimaging are summarized here.
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Affiliation(s)
- Ling Hu
- Molecular Sciences and Biomedicine Laboratory
- State Key Laboratory for Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
| | - Xiaoyi Fu
- Molecular Sciences and Biomedicine Laboratory
- State Key Laboratory for Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
| | - Gezhi Kong
- Molecular Sciences and Biomedicine Laboratory
- State Key Laboratory for Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
| | - Yao Yin
- Molecular Sciences and Biomedicine Laboratory
- State Key Laboratory for Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
| | - Hong-Min Meng
- College of Chemistry
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Guoliang Ke
- Molecular Sciences and Biomedicine Laboratory
- State Key Laboratory for Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
| | - Xiao-Bing Zhang
- Molecular Sciences and Biomedicine Laboratory
- State Key Laboratory for Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
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Lake RJ, Yang Z, Zhang J, Lu Y. DNAzymes as Activity-Based Sensors for Metal Ions: Recent Applications, Demonstrated Advantages, Current Challenges, and Future Directions. Acc Chem Res 2019; 52:3275-3286. [PMID: 31721559 PMCID: PMC7103667 DOI: 10.1021/acs.accounts.9b00419] [Citation(s) in RCA: 143] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Metal ions can be beneficial or toxic depending on their identity, oxidation state, and concentration. Therefore, the ability to detect and quantify different types of metal ions using portable sensors or in situ imaging agents is important for better environmental monitoring, in vitro medical diagnostics, and imaging of biological systems. While numerous metal ions in different oxidation states are present in the environment and biological systems, only a limited number of them can be detected effectively using current methods. In this Account, we summarize research results from our group that overcome this limitation by the development of a novel class of activity-based sensors based on metal-dependent DNAzymes, which are DNA molecules with enzymatic activity. First, we have developed an in vitro selection method to obtain DNAzymes from a large DNA library of up to 1015 sequences that can carry out cleavage of an oligonucleotide substrate only in the presence of a specific metal ion with high selectivity. Negative selection steps can further be used to improve the selectivity against potentially competing targets by removing sequences that recognize the competing metal ions. Second, we have developed a patented catalytic beacon method to transform the metal-dependent DNAzyme cleavage reaction into a turn-on fluorescent signal by attaching a fluorophore and quenchers to the DNAzyme complex. Because of the difference in the melting temperatures of DNA hybridization before and after metal-ion-dependent cleavage of the DNAzyme substrate, the fluorophore on the DNA cleavage product can be released from its quenchers to create a turn-on fluorescent signal. Because DNAzymes are easy to conjugate with other signaling moieties, such as gold nanoparticles, lanthanide-doped upconversion nanoparticles, electrochemical agents, and gadolinium complexes, these DNAzymes can also readily be converted into colorimetric sensors, upconversion luminescence sensors, electrochemical sensors, or magnetic resonance contrast agents. In addition to describing recent progress in developing and applying these metal ion sensors for environmental monitoring, point-of-care diagnostics, cellular imaging, and in vivo imaging in zebrafish, we summarize major advantages of this class of activity-based sensors. In addition to advantages common to most activity-based sensors, such as enzymatic turnovers that allow for signal amplification and the use of initial rates instead of absolute signals for quantification to avoid interferences from sample matrices, the DNAzyme-based sensors allow for in vitro selection to expand the method to almost any metal ion under a variety of conditions, negative selection to improve the selectivity against competing targets, and reselection of DNAzymes and combination of active and inactive variants to fine-tune the dynamic range of detection. The use of melting temperature differences to separate target binding from signaling moieties in the catalytic beacon method allows the use of different fluorophores and nanomaterials to extend the versatility and modularity of this sensing platform. Furthermore, sensing and imaging artifacts can be minimized by using an inactive mutant DNAzyme as a negative control, while spatiotemporal control of sensing/imaging can be achieved using optical, photothermal, and endogenous orthogonal caging methods. Finally, current challenges, opportunities, and future perspectives for DNAzymes as activity-based sensors are also discussed.
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Affiliation(s)
- Ryan J. Lake
- Department of Chemistry, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Zhenglin Yang
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
- Department of Biochemistry, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - JingJing Zhang
- Department of Chemistry, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Yi Lu
- Department of Chemistry, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
- Department of Biochemistry, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
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Chen L, Xu S, Li W, Ren T, Yuan L, Zhang S, Zhang XB. Tumor-acidity activated surface charge conversion of two-photon fluorescent nanoprobe for enhanced cellular uptake and targeted imaging of intracellular hydrogen peroxide. Chem Sci 2019; 10:9351-9357. [PMID: 32110299 PMCID: PMC7017867 DOI: 10.1039/c9sc03781k] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 08/13/2019] [Indexed: 12/22/2022] Open
Abstract
Elevated levels of intracellular hydrogen peroxide (H2O2) are closely related to the development of cancers. Specific imaging of H2O2 in tumor sites would be significant not only for cancer diagnosis but also for gaining a deep understanding of the role of H2O2 in cancer. However, traditional fluorescent probes based only on responses to overexpression levels of H2O2 in cancer cells are insufficient to distinguish cancer cells from other unhealthy or healthy cells in complex biological systems. Herein, we developed a smart, two-photon fluorescent GC-NABP nanoprobe with pH-dependent surface charge conversion for tumor-targeted imaging of H2O2. The nanoprobe was constructed by the self-assembly of amphiphilic GC-NABP, which was synthesized by grafting the hydrophobic, H2O2-responsive and two-photon fluorophore, NABP, onto hydrophilic biopolymer glycol chitosan (GC). Taking advantage of pH-titratable amino groups on GC, the nanoprobe had the capability of surface charge conversion from negative at physiologic pH to positive in the acidic tumor microenvironment. The positive charge of the nanoprobe promoted electrostatic interactions with cell membranes, leading to enhanced cellular uptake in acidic environment. Upon cellular uptake, the high level of H2O2 in tumor cells triggered boronate deprotections of the nanoprobe, generating a "turn-on" fluorescence emission for H2O2 imaging. The nanoprobe exhibited good sensitivity and selectivity to H2O2 with a detection limit down to 110 nM in vitro. The results from flow cytometry and two-photon fluorescence imaging of H2O2 in living cells and tissues evidenced the enhanced cellular uptake and targeted imaging of intracellular H2O2 in acidic environment. Compared to control nanoparticles that lack pH sensitivity, our nanoprobe showed enhanced accumulation in tumor sites and was applied to targeted imaging of H2O2 in a tumor-bearing mouse model. This work demonstrates that the nanoprobe GC-NABP holds great promise for tumor-specific imaging of cellular H2O2, providing a potential tool to explore the role of H2O2 in tumor sites.
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Affiliation(s)
- Lanlan Chen
- Collaborative Innovation Center of Tumor Marker Detection Technology , Equipment and Diagnosis-Therapy Integration in Universities of Shandong , Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers , College of Chemistry and Chemical Engineering , Linyi University , Linyi , Shandong 276005 , P. R. China . ;
- The Key Lab of Analysis and Detection Technology for Food Safety of the MOE , College of Chemistry , Fuzhou University , Fuzhou 350002 , P. R. China
- State Key Laboratory of Chemo/Biosensing and Chemometrics , Molecular Science and Biomedicine Laboratory , College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China .
| | - Shuai Xu
- State Key Laboratory of Chemo/Biosensing and Chemometrics , Molecular Science and Biomedicine Laboratory , College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China .
| | - Wei Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics , Molecular Science and Biomedicine Laboratory , College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China .
| | - Tianbing Ren
- State Key Laboratory of Chemo/Biosensing and Chemometrics , Molecular Science and Biomedicine Laboratory , College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China .
| | - Lin Yuan
- State Key Laboratory of Chemo/Biosensing and Chemometrics , Molecular Science and Biomedicine Laboratory , College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China .
| | - Shusheng Zhang
- Collaborative Innovation Center of Tumor Marker Detection Technology , Equipment and Diagnosis-Therapy Integration in Universities of Shandong , Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers , College of Chemistry and Chemical Engineering , Linyi University , Linyi , Shandong 276005 , P. R. China . ;
| | - Xiao-Bing Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics , Molecular Science and Biomedicine Laboratory , College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China .
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Hwang K, Mou Q, Lake RJ, Xiong M, Holland B, Lu Y. Metal-Dependent DNAzymes for the Quantitative Detection of Metal Ions in Living Cells: Recent Progress, Current Challenges, and Latest Results on FRET Ratiometric Sensors. Inorg Chem 2019; 58:13696-13708. [PMID: 31364355 PMCID: PMC7176321 DOI: 10.1021/acs.inorgchem.9b01280] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Many different metal ions are involved in various biological functions including metallomics and trafficking, and yet there are currently effective sensors for only a few metal ions, despite the first report of metal sensors for calcium more than 40 years ago. To expand upon the number of metal ions that can be probed in biological systems, we and other laboratories employ the in vitro selection method to obtain metal-specific DNAzymes with high specificity for a metal ion and then convert these DNAzymes into fluorescent sensors for these metal ions using a catalytic beacon approach. In this Forum Article, we summarize recent progress made in developing these DNAzyme sensors to probe metal ions in living cells and in vivo, including several challenges that we were able to overcome for this application, such as DNAzyme delivery, spatiotemporal control, and signal amplification. Furthermore, we have identified a key remaining challenge for the quantitative detection of metal ions in living cells and present a new design and the results of a Förster resonance energy transfer (FRET)-based DNAzyme sensor for the ratiometric quantification of Zn2+ in HeLa cells. By converting existing DNAzyme sensors into a ratiometric readout without compromising the fundamental catalytic function of the DNAzymes, this FRET-based ratiometric DNAzyme design can readily be applied to other DNAzyme sensors as a major advance in the field to develop much more quantitative metal-ion probes for biological systems.
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Affiliation(s)
- Kevin Hwang
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801
| | - Quanbing Mou
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801
| | - Ryan J. Lake
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801
| | - Mengyi Xiong
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801
- Institute of Chemical Biology and Nanomedicine, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Brandalynn Holland
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801
| | - Yi Lu
- Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801
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Wang Q, Yu L, Wong RC, Lo PC. Construction of cathepsin B-responsive fluorescent probe and photosensitizer using a ferrocenyl boron dipyrromethene dark quencher. Eur J Med Chem 2019; 179:828-836. [DOI: 10.1016/j.ejmech.2019.06.082] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 06/11/2019] [Accepted: 06/28/2019] [Indexed: 12/21/2022]
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50
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Yao Y, Li N, Zhang X, Ong'achwa Machuki J, Yang D, Yu Y, Li J, Tang D, Tian J, Gao F. DNA-Templated Silver Nanocluster/Porphyrin/MnO 2 Platform for Label-Free Intracellular Zn 2+ Imaging and Fluorescence-/Magnetic Resonance Imaging-Guided Photodynamic Therapy. ACS APPLIED MATERIALS & INTERFACES 2019; 11:13991-14003. [PMID: 30901195 DOI: 10.1021/acsami.9b01530] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Developing a theranostic platform that integrates diagnosis and treatment in one single nanostructure is necessary for efficient tumor treatment. Here, we presented a novel theranostic nanoprobe for nonlabeled fluorescence imaging of Zn2+ and 635 nm red light-triggered photodynamic therapy (PDT) by a multifunctional DNA-templated silver nanocluster/porphyrin/MnO2 nanoplatform. MnO2 nanosheets adsorbed hairpin DNA-silver nanoclusters (AgNCs) and porphyrin (P) by facile physisorption, which accelerate the transfection of nanoprobes and P into tumor cells. After entering the cells, the biodegradation of MnO2 nanosheets by glutathione and acidic hydrogen peroxide released AgNCs for label-free Zn2+ fluorescence imaging by the hairpin DNA-fueled dynamic self-assembly of three-way DNA junction architectures, and the released Mn2+ could act as an effective magnetic resonance imaging (MRI) contrast agent. In addition, MnO2 was decomposed in the acidic H2O2-ample environment and produced O2 to overbear hypoxia-related PDT resistance, highly efficient PDT was obtained by excess singlet oxygen (1O2) release of P-AgNCs-MnO2 nanoprobes under light irradiation compared with free P. In vitro and in vivo studies confirmed that P-AgNCs-MnO2 exhibited high fluorescence specificity, excellent PDT effect, and good biocompatibility and could be used as a contrast agent for MRI. This theranostic platform provided a new avenue for the fluorescence and MRI diagnosis of tumors and efficient tumor treatment.
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Affiliation(s)
- Yao Yao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 Xuzhou , China
| | - Na Li
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 Xuzhou , China
| | - Xing Zhang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 Xuzhou , China
| | - Jeremiah Ong'achwa Machuki
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 Xuzhou , China
| | - Dongzhi Yang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 Xuzhou , China
| | - Yanyan Yu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 Xuzhou , China
| | - Jingjing Li
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 Xuzhou , China
| | - Daoquan Tang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 Xuzhou , China
| | - Jiangwei Tian
- School of Traditional Chinese Pharmacy , China Pharmaceutical University , 211198 Nanjing , China
| | - Fenglei Gao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 Xuzhou , China
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