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Zhang S, Qu Y, Zhang D, Li S, Tang F, Ding A, Hu L, Zhang J, Wang H, Huang K, Li L. Rational Design and Biological Application of Hybrid Fluorophores. Chemistry 2024; 30:e202303208. [PMID: 38038726 DOI: 10.1002/chem.202303208] [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: 09/30/2023] [Revised: 11/24/2023] [Accepted: 11/29/2023] [Indexed: 12/02/2023]
Abstract
Fluorophores are considered powerful tools for not only enabling the visualization of cell structures, substructures, and biological processes, but also making for the quantitative and qualitative measurement of various analytes in living systems. However, most fluorophores do not meet the diverse requirements for biological applications in terms of their photophysical and biological properties. Hybridization is an important strategy in molecular engineering that provides fluorophores with complementarity and multifunctionality. This review summarizes the basic strategies of hybridization with four classes of fluorophores, including xanthene, cyanine, coumarin, and BODIPY with a focus on their structure-property relationship (SPR) and biological applications. This review aims to provide rational hybrid ideas for expanding the reservoir of knowledge regarding fluorophores and promoting the development of newly produced fluorophores for applications in the field of life sciences.
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Affiliation(s)
- Shiji Zhang
- Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen, 361005, China
| | - Yunwei Qu
- Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen, 361005, China
| | - Duoteng Zhang
- Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen, 361005, China
| | - Shuai Li
- Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen, 361005, China
| | - Fang Tang
- Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen, 361005, China
- Future Display Institute in Xiamen, Xiamen, 361005, China
| | - Aixiang Ding
- Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen, 361005, China
| | - Lei Hu
- School of Pharmacy, Wannan Medical College, Wuhu, 241002, China
| | - Jin Zhang
- Technical Center of Xiamen Customs, Xiamen, 361001, China
| | - Hui Wang
- Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen, 361005, China
- School of Pharmacy, Wannan Medical College, Wuhu, 241002, China
| | - Kai Huang
- Future Display Institute in Xiamen, Xiamen, 361005, China
| | - Lin Li
- Flexible Electronics (IFE, Future Technologies), Xiamen University, Xiamen, 361005, China
- Future Display Institute in Xiamen, Xiamen, 361005, China
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Zhang W, Wu B, Liang M, Zhang M, Hu Y, Huang ZS, Ye X, Du B, Quan YY, Jiang Y. A lysosome-targeted fluorescent probe based on a BODIPY structure for Cys/Hcy detection. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:686-694. [PMID: 38205809 DOI: 10.1039/d3ay01965a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
Cysteine (Cys) and homocysteine (Hcy) are important biothiols in living organisms. They play important roles in a variety of physiological and pathological processes. Therefore, it is very important to design an optical probe for the selective detection of Cys/Hcy. Herein, we report the design and synthesis of a fluorescent probe NBD-B-T based on a boron-dipyrromethene (BODIPY) structure, which showed an excellent lysosome targeting ability and an outstanding Cys/Hcy detection capacity. For NBD-B-T, the sensing group 7-nitro-2,1,3-benzoxadiazole (NBD) and the lysosomal targeting group morpholine were introduced. The results show that the NBD-B-T probe can detect Cys/Hcy with fluorescence emission turn-on performance. The low detection limits of this probe are about 76.0 nM for Hcy and 97.6 nM for Cys, respectively. The NBD-B-T probe has a low detection limit, high stability, and excellent selectivity and sensitivity. More importantly, the NBD-B-T can target lysosome, and simultaneously detect the Cys/Hcy in living cells.
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Affiliation(s)
- Wenxuan Zhang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China.
| | - Binbin Wu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China.
| | - Manshan Liang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China.
| | - Mengpei Zhang
- The Affiliated Xiangshan Hospital of Wenzhou Medical University: Xiangshan First People's Hospital Medical and Health Group, Xiangshan 315700, China.
| | - Yutao Hu
- The Affiliated Xiangshan Hospital of Wenzhou Medical University: Xiangshan First People's Hospital Medical and Health Group, Xiangshan 315700, China.
| | - Zu-Sheng Huang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China.
| | - Xiaoxia Ye
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China.
| | - Bing Du
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China.
| | - Yun-Yun Quan
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China.
| | - Yongsheng Jiang
- The Affiliated Xiangshan Hospital of Wenzhou Medical University: Xiangshan First People's Hospital Medical and Health Group, Xiangshan 315700, China.
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Qi X, Kan W, Zhao B, Du J, Ding L, Wang L, Song B. Two phenanthro[9,10-d]imidazole-based fluorescence probes for distinguishable detection of Cys and Fe3+ and their applications in food and water as well as living cells monitoring. Inorganica Chim Acta 2023. [DOI: 10.1016/j.ica.2023.121393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Wang H, Zhang L, Jin X, Tian P, Ding X, Chang J. A water-soluble fluorescent probe for monitoring mitochondrial GSH fluctuations during oxidative stress. RSC Adv 2022; 12:33922-33927. [PMID: 36505695 PMCID: PMC9703030 DOI: 10.1039/d2ra04732b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 10/07/2022] [Indexed: 11/29/2022] Open
Abstract
In this research, we constructed a styrylpyridine derivative-based fluorescent probe MITO-PQDNs to monitor mitochondrial glutathione (GSH). The probe MITO-PQDNs could react rapidly (20 min) with GSH in PBS buffer and exhibited a strong fluorescence signal (586 nm) as well as a significant Stokes shift (200 nm). Moreover, MITO-PQDNs could quantitatively detect GSH with high sensitivity (LOD = 253 nM). Meanwhile, MITO-PQDNs possessed favorable biocompatibility and could detect both endogenous and exogenous GSH in MCF-7 cells. Above all, MITO-PQDNs enabled the detection of fluctuations in mitochondrial GSH concentrations during oxidative stress.
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Affiliation(s)
- Huayu Wang
- School of Basic Medical Sciences, Xinxiang Medical UniversityXinxiang 453003China
| | - Luan Zhang
- Jiangsu Mai Jian Biotechnology Development CompanyWuxi 214135China
| | - Xia Jin
- Jiangsu Mai Jian Biotechnology Development CompanyWuxi 214135China
| | - Peijiao Tian
- Jiangsu Mai Jian Biotechnology Development CompanyWuxi 214135China
| | - Xiaojun Ding
- Jiangsu Mai Jian Biotechnology Development CompanyWuxi 214135China
| | - Jing Chang
- Jiangsu Mai Jian Biotechnology Development CompanyWuxi 214135China
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Cao X, Lu H, Wei Y, Jin L, Zhang Q, Liu B. A simple "turn-on" fluorescent probe capable of recognition cysteine with rapid response and high sensing in living cells and zebrafish. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 275:121167. [PMID: 35316627 DOI: 10.1016/j.saa.2022.121167] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 03/05/2022] [Accepted: 03/13/2022] [Indexed: 06/14/2023]
Abstract
Cysteine (Cys), an essential biological amino acid, participates several crucial functions in various physiological and pathological processes. The sensitive and specific detection of Cys is of great significance for understanding its biological function to disease diagnosis. Herein, we designed and synthesized a simple fluorescence sensor 2-(benzothiophen-2-yl)-4-oxo-4H-chromen-3-yl acrylate (BTCA) composed of a flavonol skeleton as the fluorophore and acrylic ester group as the recognition receptor. Probe BTCA displayed high selectivity and extremely fast response toward Cys in phosphate buffer solution in the presence of other competitive species even Homocysteine (Hcy) and Glutathione (GSH) owing to a specific conjugate addition-cyclization reaction between the acrylate moiety and Cys. The photoluminescence mechanism of probe BTCA toward Cys was modulated by excited state intramolecular proton transfer (ESIPT) process. The sensing property for Cys was studied by UV-Visible, fluorescence spectrophotometric analyses and time-dependent density functional theory (TD-DFT) calculations, those results indicated that probe BTCA possessed excellent sensitivity, higher specificity, dramatically "naked-eye" fluorescence enhancement (30-fold), high anti-interference ability, especially immediate response speed (within 40 s). Additionally, the practicability of sensor BTCA in exogenous and endogenous Cys imaging in living cells and zebrafish was elucidated as well, suggesting that it has remarkedly diagnostic significance in physiological and pathological process.
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Affiliation(s)
- Xiaoyan Cao
- Key Laboratory of Catalysis in Shaanxi Province, Shaanxi University of Technology, Hanzhong 723000, PR China.
| | - Hongzhao Lu
- School of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong 723000, PR China
| | - Yifan Wei
- Key Laboratory of Catalysis in Shaanxi Province, Shaanxi University of Technology, Hanzhong 723000, PR China
| | - Lingxia Jin
- Key Laboratory of Catalysis in Shaanxi Province, Shaanxi University of Technology, Hanzhong 723000, PR China
| | - Qiang Zhang
- Key Laboratory of Catalysis in Shaanxi Province, Shaanxi University of Technology, Hanzhong 723000, PR China
| | - Bo Liu
- Key Laboratory of Catalysis in Shaanxi Province, Shaanxi University of Technology, Hanzhong 723000, PR China
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Guo T, Chen X, Qu W, Yang B, Tian R, Geng Z, Wang Z. Red and Near-Infrared Fluorescent Probe for Distinguishing Cysteine and Homocysteine through Single-Wavelength Excitation with Distinctly Dual Emissions. Anal Chem 2022; 94:5006-5013. [PMID: 35294170 DOI: 10.1021/acs.analchem.1c04895] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Small-molecule biothiols, including cysteine (Cys), homocysteine (Hcy), and glutathione (GSH), participate in various pathological and physiological processes. It is still a challenge to simultaneously distinguish Cys and Hcy because of their similar structures and reactivities, as well as the interference from the high intramolecular concentration of GSH. Herein, a novel fluorescent probe, CySI, based on cyanine and thioester was developed to differentiate Cys and Hcy through a single-wavelength excitation and two distinctly separated emission channels. The probe exhibited a turn-on fluorescence response to Cys at both 625 nm (the red channel) and 740 nm (the near-infrared channel) but only showed fluorescence turn-on to Hcy at 740 nm (the near-infrared channel) and no fluorescent response to GSH. With the aid of built-in self-calibration of single excitation and dual emissions, simultaneous discriminative determinations of Cys and Hcy were realized through red and near-infrared channels. CySI exhibited excellent selectivity toward Cys and Hcy with a fast response. This probe was further exploited to visualize exogenous Cys and Hcy in cells through dual emission channels under one excitation. Moreover, it could efficiently target mitochondria and was applied to monitor the endogenous Cys fluctuations independently in mitochondria through the red emission channel.
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Affiliation(s)
- Taiyu Guo
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Xinyue Chen
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Wangbo Qu
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Bin Yang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Ruowei Tian
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Zhirong Geng
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
| | - Zhilin Wang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210023, P. R. China
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Li L, Fu M, Yang D, Tu Y, Yan J. Sensitive detection of glutathione through inhibiting quenching of copper nanoclusters fluorescence. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 267:120563. [PMID: 34749113 DOI: 10.1016/j.saa.2021.120563] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 10/14/2021] [Accepted: 10/26/2021] [Indexed: 06/13/2023]
Abstract
A method for a sensitive fluorescence detection of glutathione was established. Glutathione-stabilized copper nanoclusters (CuNCs) were synthesized via a facile process. These CuNCs showed blue fluorescence with a peak around 450 nm. In the presence of p-benzoquinone (PBQ), the electron transfer from the copper nanoclusters to PBQ quenched the fluorescence of the CuNCs. Glutathione (GSH), as a reducing agent, formed a complex with PBQ. This formation inhibited the quenching from PBQ, and a restored fluorescence was obtained. This interaction provided a fluorescence enhancement for the measurement of GSH. Under the optimal condition, linear responses were obtained toward GSH in the ranges of 0.06-6.0 μM, with a limit of detection at 20 nM. This developed assay was easy in operation with high sensitivity and selectivity. The applicability was approved with successful glutathione measurements in real samples.
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Affiliation(s)
- Lan Li
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Industrial Park, Suzhou 215123, China
| | - Meiling Fu
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Industrial Park, Suzhou 215123, China
| | - Deyuan Yang
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Industrial Park, Suzhou 215123, China
| | - Yifeng Tu
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Industrial Park, Suzhou 215123, China
| | - Jilin Yan
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren'ai Road, Industrial Park, Suzhou 215123, China.
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Yue D, Zhu J, Chen D, Li W, Wang Z. Turn‐on luminescent sensing of glutathione and cysteine based on post‐modified Bio‐MOF‐1. Z Anorg Allg Chem 2022. [DOI: 10.1002/zaac.202100352] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Dan Yue
- College of Material Engineering, Henan International Joint Laboratory of Rare Earth Composite Materials Henan University of Engineering Zhengzhou 451191 P. R. China
| | - Jiayan Zhu
- State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, School of Materials Science and Engineering Zhejiang University Hangzhou 310027 P. R. China
| | - Dong Chen
- College of Material Engineering, Henan International Joint Laboratory of Rare Earth Composite Materials Henan University of Engineering Zhengzhou 451191 P. R. China
| | - Weidong Li
- College of Material Engineering, Henan International Joint Laboratory of Rare Earth Composite Materials Henan University of Engineering Zhengzhou 451191 P. R. China
| | - Zhenling Wang
- College of Material Engineering, Henan International Joint Laboratory of Rare Earth Composite Materials Henan University of Engineering Zhengzhou 451191 P. R. China
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Chao J, Zhao J, Jia J, Zhang Y, Huo F, Yin C. A reversible coumarin-based sensor for intracellular monitoring cysteine level changes during Cu 2+-induced redox imbalance. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 263:120173. [PMID: 34325171 DOI: 10.1016/j.saa.2021.120173] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/06/2021] [Accepted: 07/07/2021] [Indexed: 06/13/2023]
Abstract
Biological thiols are crucial small molecule amino acids widely existing in cells, which play indispensable roles in maintaining redox homeostasis of living systems. Owing to their abnormal levels have close relation with many diseases, thus, developing more convenient, rapid and practical in-vivo detection tools is imminent. Herein, a reversible coumarin-based probe (HNA) was successfully constructed through a simple two-step synthesis. HNA can detect Cys/Hcy with high response speed and desirable selectivity based on Michael addition recognition mechanism. Free HNA has an orange emission at 580 nm, but after addition of Cys/Hcy, the conjugated structure of probe HNA was destroyed by the attack of sulfhydryl, resulting in a new green emission at 507 nm. Further, HNA has been applied to monitor Cys/Hcy in HeLa cells and zebrafish. Notably, HNA has also been successfully applied for real-time tracing Cys levels changes in living cells and zebrafish during the imbalance in redox status caused by copper (II). This provides a new strategy for studying the process of oxidative stress in cells.
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Affiliation(s)
- Jianbin Chao
- Scientific Instrument Center, Shanxi University, Taiyuan 030006, China.
| | - Jiamin Zhao
- Scientific Instrument Center, Shanxi University, Taiyuan 030006, China; School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Jinping Jia
- Scientific Instrument Center, Shanxi University, Taiyuan 030006, China
| | - Yongbin Zhang
- Research Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China
| | - Fangjun Huo
- Research Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China
| | - Caixia Yin
- Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China.
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Lu G, Dong J, Fan C, Tu Y, Pu S. A coumarin-based fluorescent probe for specific detection of cysteine in the lysosome of living cells. Bioorg Chem 2021; 119:105558. [PMID: 34922090 DOI: 10.1016/j.bioorg.2021.105558] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 12/03/2021] [Accepted: 12/11/2021] [Indexed: 11/02/2022]
Abstract
Cysteine (Cys), the only amino acid in the 20 natural amino acids that contains a reduced sulfhydryl group, plays important roles in the balance of redox homeostasis in biological systems. Lysosome is an important organelle containing a variety of hydrolases and has been proved to be the decomposition center of a variety of exogenous and endogenous macromolecular substances. In this research, a coumarin-based fluorescent probe MCA for the detection of Cys in lysosomes of living cells was developed. Due to the acrylate moiety, this probe exhibited high sensitivity (detection limit = 6.8 nM) and selectivity towards Cys superior to other analytes. Moreover, the probe was proved to be lysosome-targetable and showed good cell imaging ability and low cell toxicity.
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Affiliation(s)
- Guowei Lu
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang, Jiangxi 330013, PR China
| | - Jianning Dong
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang, Jiangxi 330013, PR China
| | - Congbin Fan
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang, Jiangxi 330013, PR China
| | - Yayi Tu
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang, Jiangxi 330013, PR China.
| | - Shouzhi Pu
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang, Jiangxi 330013, PR China.
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Saini A, Singh J, Kumar S. Optically superior fluorescent probes for selective imaging of cells, tumors, and reactive chemical species. Org Biomol Chem 2021; 19:5208-5236. [PMID: 34037048 DOI: 10.1039/d1ob00509j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Fluorescent chemical probes have become powerful tools to study biological events in living cells. They provide a great opportunity to quantitatively and qualitatively analyze the physiological and biochemical properties of living cells in real time. The ability of researchers to manipulate these probes for a desired specific purpose has turned many heads in the scientific community. Despite a slow start, fluorescent probe research has seen exponential growth over the last decade in the world. This change required some adventurous and creative scientists from different fields-like biology, medicine, and chemistry-to come together to facilitate the constant expansion of this field. This review article introduces some fundamental concepts related to fluorescent probe designing and development. It also summarizes various fluorescent probes with superior optical properties used in fields like cell biology, cellular imaging, medical research, and cancer diagnosis. It is hoped that this article will encourage more young and creative scientists to contribute their talents to this field.
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Affiliation(s)
- Abhishek Saini
- Department of Chemistry, Hansraj College, University of Delhi, Delhi-110007, India.
| | - Jyoti Singh
- Department of Chemistry, Hansraj College, University of Delhi, Delhi-110007, India.
| | - Sonu Kumar
- Department of Chemistry, Hansraj College, University of Delhi, Delhi-110007, India.
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Zhou Y, Wang X, Zhang W, Tang B, Li P. Recent advances in small molecule fluorescent probes for simultaneous imaging of two bioactive molecules in live cells and in vivo. Front Chem Sci Eng 2021. [DOI: 10.1007/s11705-021-2041-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Chao J, Wang Z, Zhang Y, Huo F, Yin C, Li M, Duan Y. A Pyrene-Based Fluorescent Probe for Specific Detection of Cysteine and its Application in Living Cell. J Fluoresc 2021; 31:727-732. [PMID: 33609214 DOI: 10.1007/s10895-021-02703-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 02/11/2021] [Indexed: 01/23/2023]
Abstract
Cysteine (Cys) is an essential amino acid in organism, which is transformed from methionine in vivo and participates in protein synthesis and cell redox process. Therefore, the detection of Cys is of great significance. In this work, a novel fluorescent probe, (E)-3-(2-chloroquinolin-3-yl)-1-(pyren-3-yl) prop-2-en-1-one (PAQ) was designed and synthesized to specifically detect Cys. The response mechanism of the reaction between PAQ and Cys was due to the addition reaction of Cys to α,β-unsaturated ketone of PAQ. Interestingly, the addition of Cys induced significant fluorescence intensity enhancement at 462 nm. PAQ exhibited favorable sensing properties towards Cys such as the low limit of detection (0.27 μM) and fast response speed (2 min). In addition, PAQ displayed high selectivity and anti-interference ability toward Cys among various analytes. Notably, PAQ has been successfully used to image exogenous and endogenous Cys in HeLa cells.
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Affiliation(s)
- Jianbin Chao
- Scientific Instrument Center, Shanxi University, Taiyuan, 030006, China.
| | - Zhuo Wang
- Scientific Instrument Center, Shanxi University, Taiyuan, 030006, China
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Yongbin Zhang
- Research Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, China
| | - Fangjun Huo
- Research Institute of Applied Chemistry, Shanxi University, Taiyuan, 030006, China
| | - Caixia Yin
- Institute of Molecular Science, Shanxi University, Taiyuan, 030006, China
| | - Ming Li
- Scientific Instrument Center, Shanxi University, Taiyuan, 030006, China
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Yuexiang Duan
- Scientific Instrument Center, Shanxi University, Taiyuan, 030006, China
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
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