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Zhou Y, Zhang J, Sun S, Chen W, Wang Y, Shi H, Yang R, Qing Z. Amplified Biosensors Powered by Endogenous Molecules for Intracellular Fluorescence Imaging. Anal Chem 2024; 96:8078-8090. [PMID: 38622818 DOI: 10.1021/acs.analchem.4c00329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Affiliation(s)
- Yibo Zhou
- Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, P.R. China
| | - Jun Zhang
- Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, P.R. China
| | - Shuanghong Sun
- Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, P.R. China
| | - Weiju Chen
- Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, P.R. China
| | - Yuping Wang
- Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, P.R. China
| | - Huiqiu Shi
- Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, P.R. China
| | - Ronghua Yang
- Laboratory of Chemical Biology & Traditional Chinese Medicine Research, Ministry of Education, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P.R. China
| | - Zhihe Qing
- Hunan Provincial Key Laboratory of Cytochemistry, School of Chemistry and Chemical Engineering, Changsha University of Science and Technology, Changsha 410114, P.R. China
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2
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Yang L, Zang Y, Liu P, Xing X, Mou Z. A two-layer circuit cascade-based DNA machine for highly sensitive miRNA imaging in living cells. Analyst 2024; 149:2925-2931. [PMID: 38587246 DOI: 10.1039/d4an00277f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Sensitive detection of microRNA (miRNA), one of the most promising biomarkers, plays crucial roles in cancer diagnosis. However, the low expression level of miRNA makes it extremely urgent to develop ultrasensitive and highly selective strategies for quantification of miRNA. Herein, a DNA machine is rationally constructed for amplified detection and imaging of low-abundance miRNA in living cells based on the toehold-mediated strand displacement reaction (TMSDR). The isothermal and enzyme-free DNA machine with low background leakage is fabricated by integrating two DNA circuits into a cascade system, in which the output of one circuit serves as the input of the other one. Once the DNA machine is transfected into breast cancer cells, the overexpressed miRNA-203 initiates the first-layer circuit through TMSDR, leading to the concentration variation of fuel strands, which further influences the assembly of hairpin DNA in the second-layer circuit and the occurrence of fluorescence resonance energy transfer (FRET) for fluorescence imaging. Benefiting from the cascade of the two-layer amplification reaction, the proposed DNA machine acquires a detection limit down to 4 fM for quantification of miR-203 and a 10 000-fold improvement in amplification efficiency over the single circuit. Therefore, the two-layer circuit cascade-based DNA machine provides an effective platform for amplified analysis of low-abundance miRNA with high sensitivity, which holds great promise in biomedical and clinical research.
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Affiliation(s)
- Lin Yang
- School of Chemical Engineering, Shandong Institute of Petroleum and Chemical Technology, Dongying 257061, P. R. China.
| | - Yan Zang
- School of Chemical Engineering, Shandong Institute of Petroleum and Chemical Technology, Dongying 257061, P. R. China.
| | - Peng Liu
- School of Chemical Engineering, Shandong Institute of Petroleum and Chemical Technology, Dongying 257061, P. R. China.
| | - Xin Xing
- School of Chemical Engineering, Shandong Institute of Petroleum and Chemical Technology, Dongying 257061, P. R. China.
| | - Zhenxin Mou
- School of Nursing, Shandong Shengli Vocational College, Dongying 257061, P. R. China.
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3
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Wang T, Jiang K, Wang Y, Xu L, Liu Y, Zhang S, Xiong W, Wang Y, Zheng F, Zhu JJ. Prolonged near-infrared fluorescence imaging of microRNAs and proteases in vivo by aggregation-enhanced emission from DNA-AuNC nanomachines. Chem Sci 2024; 15:1829-1839. [PMID: 38303939 PMCID: PMC10829036 DOI: 10.1039/d3sc05887e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 12/20/2023] [Indexed: 02/03/2024] Open
Abstract
Developing a comprehensive strategy for imaging various biomarkers (i.e., microRNAs and proteases) in vivo is an exceptionally formidable task. Herein, we have designed a deoxyribonucleic acid-gold nanocluster (DNA-AuNC) nanomachine for detecting tumor-related TK1 mRNA and cathepsin B in living cells and in vivo. The DNA-AuNC nanomachine is constructed using AuNCs and DNA modules that incorporate a three component DNA hybrid (TD) and a single-stranded fuel DNA (FD). Upon being internalized into tumor cells, the TK1 mRNA initiates the DNA-AuNC nanomachine through DNA strand displacement cascades, leading to the amplified self-assembly and the aggregation-enhanced emission of AuNCs for in situ imaging. Furthermore, with the aid of a protease nanomediator consisting of a mediator DNA/peptide complex and AuNCs (DpAuNCs), the DNA-AuNC nanomachine can be triggered by the protease-activated disassembly of the DNA/peptide complex on the nanomediator, resulting in the aggregation of AuNCs for in vivo protease amplified detection. It is worth noting that our study demonstrates the impressive tumor permeability and accumulation capabilities of the DNA-AuNC nanomachines via in situ amplified self-assembly, thereby facilitating prolonged imaging of TK1 mRNA and cathepsin B both in vitro and in vivo. This strategy presents a versatile and biomarker-specific paradigm for disease diagnosis.
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Affiliation(s)
- Ting Wang
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology Changhui Rd. 666 Zhenjiang Jiangsu 212003 China
| | - Kai Jiang
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology Changhui Rd. 666 Zhenjiang Jiangsu 212003 China
| | - Yifan Wang
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology Changhui Rd. 666 Zhenjiang Jiangsu 212003 China
| | - Limei Xu
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology Changhui Rd. 666 Zhenjiang Jiangsu 212003 China
| | - Yingqi Liu
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology Changhui Rd. 666 Zhenjiang Jiangsu 212003 China
| | - Shiling Zhang
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology Changhui Rd. 666 Zhenjiang Jiangsu 212003 China
| | - Weiwei Xiong
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology Changhui Rd. 666 Zhenjiang Jiangsu 212003 China
| | - Yemei Wang
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology Changhui Rd. 666 Zhenjiang Jiangsu 212003 China
| | - Fenfen Zheng
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology Changhui Rd. 666 Zhenjiang Jiangsu 212003 China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical for Life Science, School of Chemistry and Chemical Engineering, Nanjing University Xianlin Ave 163 Nanjing Jiangsu 210023 China
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4
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Sun J, Jiang K, Wang Y, Liu Y, Wang T, Ding S, Zhang X, Xiong W, Zheng F, Yang H, Zhu JJ. One-Pot Synthesis of Tumor-Microenvironment Responsive Degradable Nanoflower-Medicine for Multimodal Cancer Therapy with Reinvigorating Antitumor Immunity. Adv Healthc Mater 2023; 12:e2302016. [PMID: 37713653 DOI: 10.1002/adhm.202302016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/11/2023] [Indexed: 09/17/2023]
Abstract
Multimodal cancer therapies show great promise in synergistically enhancing anticancer efficacy through different mechanisms. However, most current multimodal therapies either rely on complex assemblies of multiple functional nanomaterials and drug molecules or involve the use of nanomedicines with poor in vivo degradability/metabolizability, thus restricting their clinical translatability. Herein, a nanoflower-medicine using iron ions, thioguanine (TG), and tetracarboxylic porphyrin (TCPP) are synthesized as building blocks through a one-step hydrothermal method for combined chemo/chemodynamic/photodynamic cancer therapy. The resulting nanoflowers, consisting of low-density Fe2 O3 core and iron complex (Fe-TG and Fe-TCPP compounds) shell, exhibit high accumulation at the tumor site, desirable degradability in the tumor microenvironment (TME), robust suppression of tumor growth and metastasis, as well as effective reinvigoration of host antitumor immunity. Triggered by the low pH in tumor microenvironment, the nanoflowers gradually degrade after internalization, contributing to the effective drug release and initiation of high-efficiency catalytic reactions precisely in tumor sites. Moreover, iron ions can be eliminated from the body through renal clearance after fulfilling their mission. Strikingly, it is also found that the multimodal synergistic therapy effectively elicits the host antitumor immunity without inducing additional toxicity. This easy-manufactured and degradable multimodal therapeutic nanomedicine is promising for clinical precision oncology.
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Affiliation(s)
- Jiamin Sun
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu, 212003, China
| | - Kai Jiang
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu, 212003, China
| | - Yifan Wang
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu, 212003, China
| | - Yuqing Liu
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu, 212003, China
| | - Ting Wang
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu, 212003, China
| | - Shiyue Ding
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu, 212003, China
| | - Xianzhi Zhang
- State Key Laboratory of Analytical for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Xianlin Ave 163, Nanjing, Jiangsu, 210023, China
| | - Weiwei Xiong
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu, 212003, China
| | - Fenfen Zheng
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu, 212003, China
| | - Haitang Yang
- Department of Thoracic Surgery, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, West Huaihai 241, 200030, Shanghai, China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Xianlin Ave 163, Nanjing, Jiangsu, 210023, China
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Jiang K, Guan Z, Wang Y, Sun J, Xiong W, Zheng F, Wang Y, Zhu JJ. Cell-Derived N/P/S-Codoped Fluorescent Carbon Nanodots with Intrinsic Targeting Ability for Tumor-Specific Phototheranostics. Anal Chem 2023; 95:17392-17399. [PMID: 37961783 DOI: 10.1021/acs.analchem.3c03926] [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: 11/15/2023]
Abstract
Combining targeting ability, imaging function, and photothermal/photodynamic therapy into a single agent is highly desired for cancer theranostics. Herein, we developed a one-for-all nanoplatform with N/P/S-codoped fluorescent carbon nanodots (CNDs) for tumor-specific phototheranostics. The CNDs were prepared via a one-pot hydrothermal process using cancer cells as sources of carbon, nitrogen, phosphorus, and sulfur. The obtained N/P/S-codoped CNDs exhibit wide light absorption in the range of 200-900 nm and excitation-dependent emission with high photostability. Importantly, the cancer cell-derived N/P/S-codoped CNDs have outstanding biocompatibility and naturally intrinsic targeted ability for cancer cells as well as dual photothermal/photodynamic effects under 795 nm laser irradiation. Moreover, the photothermal conversion efficiency and singlet oxygen (1O2) generation efficiency were calculated to be 52 and 34%, respectively. These exceptional properties enable CNDs to act as fine theranostic agents for targeted imaging and photothermal-photodynamic synergistic therapy within the NIR therapeutic window. The CNDs prepared in this work are promising for construction as a universal tumor phototheranostic platform.
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Affiliation(s)
- Kai Jiang
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu 212003, China
| | - Zhifeng Guan
- Department of Radiotherapy, Tumor Hospital Affiliated to Nantong University, Nantong Tumor Hospital, Nantong 226000, China
| | - Yifan Wang
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu 212003, China
| | - Jiamin Sun
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu 212003, China
| | - Weiwei Xiong
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu 212003, China
| | - Fenfen Zheng
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu 212003, China
| | - Yemei Wang
- School of Environmental & Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu 212003, China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Xianlin Ave 163, Nanjing, Jiangsu 210023, China
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6
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Zeng Y, Peng R, Hu Y, Luo P, Yang R, Li J, Zheng J. Endogenous Enzyme-Activatable Spherical Nucleic Acids for Spatiotemporally Controlled Signal Amplification Molecular Imaging and Combinational Tumor Therapy. Anal Chem 2023; 95:14710-14719. [PMID: 37728636 DOI: 10.1021/acs.analchem.3c02831] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Due to the adjustable hybridization activity, antinuclease digestion stability, and superior endocytosis, spherical nucleic acids (SNAs) have been actively developed as probes for molecular imaging and the development of noninvasive diagnosis and image-guided surgery. However, since highly expressed biomarkers in tumors are not negligible in normal tissues, an inevitable background signal and the inability to precisely release probes at the chosen region remain a challenge for SNAs. Herein, we proposed a rationally designed, endogenous enzyme-activatable functional SNA (Ep-SNA) for spatiotemporally controlled signal amplification molecular imaging and combinational tumor therapy. The self-assembled amphiphilic polymer micelles (SM-ASO), which were obtained by a simple and rapid copper-free strain-promoted azide-alkyne cycloaddition click reaction between dibenzocyclooctyne-modified antisense oligonucleotide and azide-containing aliphatic polymer polylactic acid, were introduced as the core elements of Ep-SNA. This Ep-SNA was then constructed by connecting two apurinic/apyrimidinic (AP) site-containing trailing DNA hairpins, which could occur via a hybridization chain reaction in the presence of low-abundance survivin mRNA to SM-ASO through complementary base pairing. Notably, the AP site-containing trailing DNA hairpins also empowered the SNA with the feasibility of drug delivery. Once this constructed intelligent Ep-SNA nanoprobe was specifically cleaved by the highly expressed cytoplasmic human apurinic/apyrimidinic endonuclease 1 in tumor cells, three key elements (trailing DNA hairpins, antisense oligonucleotide, and doxorubicin) could be released to enable subsequent high-sensitivity survivin mRNA imaging and combinational cancer therapy (gene silencing and chemotherapy). This strategy shows great application prospects of SNAs as a precise platform for the integration of disease diagnosis and treatment and can contribute to basic biomedical research.
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Affiliation(s)
- Youhui Zeng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Ruiying Peng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yingcai Hu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Pan Luo
- Yueyang Central Hospital, Yueyang 414020, China
| | - Ronghua Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
- Laboratory of Chemical Biology & Traditional Chinese Medicine Research, Ministry of Education, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Jishan Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Jing Zheng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
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Wang J, Raito H, Shimada N, Maruyama A. A Cationic Copolymer Enhances Responsiveness and Robustness of DNA Circuits. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2304091. [PMID: 37340578 DOI: 10.1002/smll.202304091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 12/12/2012] [Indexed: 06/22/2023]
Abstract
Toehold-mediated DNA circuits are extensively employed to construct diverse DNA nanodevices and signal amplifiers. However, operations of these circuits are slow and highly susceptive to molecular noise such as the interference from bystander DNA strands. Herein, this work investigates the effects of a series of cationic copolymers on DNA catalytic hairpin assembly, a representative toehold-mediated DNA circuit. One copolymer, poly(L -lysine)-graft-dextran, significantly enhances the reaction rate by 30-fold due to its electrostatic interaction with DNA. Moreover, the copolymer considerably alleviates the circuit's dependency on the length and GC content of toehold, thereby enhancing the robustness of circuit operation against molecular noise. The general effectiveness of poly(L -lysine)-graft-dextran is demonstrated through kinetic characterization of a DNA AND logic circuit. Therefore, use of a cationic copolymer is a versatile and efficient approach to enhance the operation rate and robustness of toehold-mediated DNA circuits, paving the way for more flexible design and broader application.
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Affiliation(s)
- Jun Wang
- Department of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259 B-57, Midori, Yokohama, 226-8501, Japan
| | - Hayashi Raito
- Department of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259 B-57, Midori, Yokohama, 226-8501, Japan
| | - Naohiko Shimada
- Department of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259 B-57, Midori, Yokohama, 226-8501, Japan
| | - Atsushi Maruyama
- Department of Life Science and Technology, Tokyo Institute of Technology, Nagatsuta-cho 4259 B-57, Midori, Yokohama, 226-8501, Japan
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Lee H, Noh H. Advancements in Nanogels for Enhanced Ocular Drug Delivery: Cutting-Edge Strategies to Overcome Eye Barriers. Gels 2023; 9:718. [PMID: 37754399 PMCID: PMC10529109 DOI: 10.3390/gels9090718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 08/29/2023] [Accepted: 09/02/2023] [Indexed: 09/28/2023] Open
Abstract
Nanomedicine in gel or particle formation holds considerable potential for enhancing passive and active targeting within ocular drug delivery systems. The complex barriers of the eye, exemplified by the intricate network of closely connected tissue structures, pose significant challenges for drug administration. Leveraging the capability of engineered nanomedicine offers a promising approach to enhance drug penetration, particularly through active targeting agents such as protein peptides and aptamers, which facilitate targeted release and heightened bioavailability. Simultaneously, DNA carriers have emerged as a cutting-edge class of active-targeting structures, connecting active targeting agents and illustrating their potential in ocular drug delivery applications. This review aims to consolidate recent findings regarding the optimization of various nanoparticles, i.e., hydrogel-based systems, incorporating both passive and active targeting agents for ocular drug delivery, thereby identifying novel mechanisms and strategies. Furthermore, the review delves into the potential application of DNA nanostructures, exploring their role in the development of targeted drug delivery approaches within the field of ocular therapy.
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Affiliation(s)
| | - Hyeran Noh
- Department of Optometry, Seoul National University of Science and Technology, Gongnung-ro 232, Nowon-gu, Seoul 01811, Republic of Korea;
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Liu L, Xiong M, Rong Q, Zhang M, Zhang X. Nucleic acid sensors in vivo: challenges and opportunities. VIEW 2023. [DOI: 10.1002/viw.20220064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023] Open
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10
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Toehold-mediated biosensors: Types, mechanisms and biosensing strategies. Biosens Bioelectron 2022; 220:114922. [DOI: 10.1016/j.bios.2022.114922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/13/2022] [Accepted: 11/15/2022] [Indexed: 11/18/2022]
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11
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Jiang D, Pan Y, Yao H, Sun J, Xiong W, Li L, Zheng F, Sun S, Zhu JJ. Synthesis of Renal-Clearable Multicolor Fluorescent Silicon Nanodots for Tumor Imaging and In Vivo H 2O 2 Profiling. Anal Chem 2022; 94:9074-9080. [PMID: 35694855 DOI: 10.1021/acs.analchem.2c01308] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Fluorescent silicon nanodots have shown great prospects for bioimaging and biosensing applications. Although various fluorescent silicon-containing nanodots (SiNDs) have been developed, there are few reports about renal-clearable multicolor SiNDs. Herein, renal-clearable multicolor fluorescent SiNDs are synthesized by using silane molecules and organic dyes through a facile one-step hydrothermal method. The fluorescence of the resulting SiNDs can be tuned to blue (bSiNDs), green (gSiNDs), and red (rSiNDs) by simply changing the categories of silane reagents or dye molecules. The as-prepared SiNDs exhibit strong fluorescence with a quantum yield up to 72%, excellent photostability, and good biocompatibility with 12 h renal clearance rate as high as 86% ID. These properties enabled the SiNDs for tumor fluorescence imaging and H2O2 imaging in living cells and tissue through in situ reduction reaction-lighted fluorescence of the nanoprobe. Our results provide an invaluable methodology for the synthesis of renal-clearable multicolor SiNDs and their potential applications for fluorescence imaging and biomarker sensing. These SiNDs are also promising for various biological and biomedical applications.
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Affiliation(s)
- Difei Jiang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu 212003, China
| | - Yifan Pan
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu 212003, China
| | - Haiyang Yao
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu 212003, China
| | - Jiamin Sun
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu 212003, China
| | - Weiwei Xiong
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu 212003, China
| | - Lingling Li
- School of Pharmacy, Nanjing Medical University, Longmian Ave 101, Nanjing, Jiangsu 211166, China
| | - Fenfen Zheng
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu 212003, China
| | - Shasha Sun
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Changhui Rd. 666, Zhenjiang, Jiangsu 212003, China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Xianlin Ave 163, Nanjing, Jiangsu 210023, China
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Xue M, Mao W, Chen J, Zheng F, Chen W, Shen W, Tang S. Application of Au or Ag nanomaterials for colorimetric detection of glucose. Analyst 2021; 146:6726-6740. [PMID: 34693409 DOI: 10.1039/d1an01540k] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
In recent years, Au and Ag nanomaterials have been widely used in the determination of glucose owing to their specific properties such as large specific surface area, high extinction coefficient, strong localized surface plasmon resonance effect and enzyme-mimicking activity. Compared with other methods, colorimetric determination of glucose with Au or Ag nanomaterials features the advantages of simple operation, low cost and easy observation. In this review, several typical synthesis methods of Au and Ag nanomaterials are introduced. Strategies for the colorimetric determination of glucose by Au or Ag nanomaterials are elaborated. The challenges and prospects of the application of Au or Ag nanomaterials for colorimetric detection of glucose are also discussed.
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Affiliation(s)
- Mingliang Xue
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, PR China.
| | - Wei Mao
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, PR China.
| | - Jisen Chen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, PR China.
| | - Fenfen Zheng
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, PR China.
| | - Wenhui Chen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, PR China.
| | - Wei Shen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, PR China.
| | - Sheng Tang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, PR China.
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