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Jiang X, Yang R, Lei X, Xue S, Wang Z, Zhang J, Yan L, Xu Z, Chen Z, Zou P, Wang G. Design, Synthesis, Application and Research Progress of Fluorescent Probes. J Fluoresc 2024; 34:965-975. [PMID: 37498366 DOI: 10.1007/s10895-023-03344-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 07/06/2023] [Indexed: 07/28/2023]
Abstract
Fluorescent probes are sensitive, selective, nontoxic in detection and thus provided a new solution in biomedical, environmental monitoring, and food safety. In order to expand the application of fluorescent probes in various fields, the paper discusses the design, synthesis, and characterization of fluorescent probes, explores new design and development trends of fluorescent probes in various fields, and improves the performance and applicability of fluorescent probes by using new materials and technologies to meet the evolving demands of molecular detection in various fields.
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Affiliation(s)
- Xingxiu Jiang
- College of Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China
| | - Ruizhu Yang
- College of Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China
| | - Xueli Lei
- College of Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China
| | - Shun Xue
- College of Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China
| | - Zhe Wang
- College of Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China
| | - Jinyang Zhang
- College of Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China
| | - Lan Yan
- College of Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China
| | - Zhiyi Xu
- College of Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China
| | - Zhengcheng Chen
- College of Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China
| | - Ping Zou
- College of Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China.
| | - Guangtu Wang
- College of Science, Sichuan Agricultural University, Ya'an, 625014, P. R. China.
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Zhang J, Yu Q, Chen W. Advancements in Small Molecule Fluorescent Probes for Superoxide Anion Detection: A Review. J Fluoresc 2024:10.1007/s10895-024-03727-4. [PMID: 38656646 DOI: 10.1007/s10895-024-03727-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 04/11/2024] [Indexed: 04/26/2024]
Abstract
Superoxide anion (O2•-), a significant reactive oxygen species (ROS) within biological systems, plays a widespread role in cellular function regulation and is closely linked to the onset and progression of numerous diseases. To unveil the pathological implications of O2•- in these diseases, the development of effective monitoring techniques within biological systems is imperative. Small molecule fluorescent probes have garnered considerable attention due to their advantages: simplicity in operation, heightened sensitivity, exceptional selectivity, and direct applicability in monitoring living cells, tissues, and animals. In the past few years, few reports have focused on small molecule fluorescence probes for the detection of O2•-. In this small review, we systematically summarize the design and application of O2•- responsive small molecule fluorescent probes. In addition, we present the limitations of the current detection of O2•- and suggest the construction of new fluorescent imaging probes to indicate O2•- in living cells and in vivo.
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Affiliation(s)
- Jiao Zhang
- School of Pharmacy and Bioengineering, Chongqing University of Technology, No. 69, Hongguang Avenue, Banan District, Chongqing, 400054, China
| | - Qinghua Yu
- Department of Pharmacy, Chongqing University Cancer Hospital, NO.181 Hanyu Road, Shapingba District, Chongqing, 400030, P. R. China
| | - Wanyi Chen
- Department of Pharmacy, Chongqing University Cancer Hospital, NO.181 Hanyu Road, Shapingba District, Chongqing, 400030, P. R. China.
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Zhao X, Chen X, Wu Y, Wang J, Lin P, Zhou L, Wang Z. Construction of a super large Stokes shift near-infrared fluorescent probe for detection and imaging of superoxide anion in living cells, zebrafish and mice. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 309:123806. [PMID: 38154307 DOI: 10.1016/j.saa.2023.123806] [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: 10/04/2023] [Revised: 11/29/2023] [Accepted: 12/21/2023] [Indexed: 12/30/2023]
Abstract
As one of the major reactive oxygen species (ROS), superoxide anion (O2•-) is engaged in maintaining redox homeostasis in the cell microenvironment. To identify the pathological roles in related disorders caused by abnormal expression of O2•-, it is of great significance to monitor and track the fluctuation of O2•- concentration in vivo. However, the low concentration of O2•- and the interference caused by tissue autofluorescence make the development of an ideal detection methodology full of challenges. Herein, a "Turn-On" chemical response near-infrared (NIR) fluorescence probe Dcm-Cu-OTf for O2•- detection in inflamed models, was constructed by conjugating the NIR fluorophore (dicyanisophorone derivative) with an O2•- sensing moiety (trifluoromethanesulfonate). Dcm-Cu-OTf exerted about 140-fold fluorescence enhancement after reacting 200 μM O2•- with an excellent limited of detection (LOD) as low as 149 nM. Additionally, Dcm-Cu-OTf exhibited a super large Stokes shift (260 nm) and high selectivity over other bio-analytes in stimulated conditions. Importantly, Dcm-Cu-OTf showed low toxicity and enabled imaging of the generation of O2•- in the Lipopolysaccharide (LPS)-stimulated HeLa cells, zebrafish, and LPS-induced inflamed mice. The present study provided a potential and reliable detection tool to inspect the physiological and pathological progress of O2•- in living biosystems.
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Affiliation(s)
- Xiongjie Zhao
- College of Chemistry and Biological Engineering, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China; Hunan Engineering Technology Research Center for Comprehensive Development and Utilization of Biomass Resources, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China.
| | - Xinyi Chen
- College of Chemistry and Biological Engineering, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China; Hunan Engineering Technology Research Center for Comprehensive Development and Utilization of Biomass Resources, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China
| | - You Wu
- College of Chemistry and Biological Engineering, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China; Hunan Engineering Technology Research Center for Comprehensive Development and Utilization of Biomass Resources, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China
| | - Jing Wang
- College of Chemistry and Biological Engineering, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China; Hunan Engineering Technology Research Center for Comprehensive Development and Utilization of Biomass Resources, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China
| | - Pengxu Lin
- College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Liyi Zhou
- College of Food Science and Engineering, Central South University of Forestry and Technology, Changsha, Hunan 410004, China
| | - Zongcheng Wang
- College of Chemistry and Biological Engineering, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China; Hunan Engineering Technology Research Center for Comprehensive Development and Utilization of Biomass Resources, Hunan University of Science and Engineering, Yongzhou, Hunan 425199, China.
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Tang W, Liu JR, Wang Q, Zheng YL, Zhou XY, Xie L, Dai F, Zhang S, Zhou B. Developing a novel benzothiazole-based red-emitting probe for intravital imaging of superoxide anion. Talanta 2024; 268:125297. [PMID: 37832453 DOI: 10.1016/j.talanta.2023.125297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 10/04/2023] [Accepted: 10/06/2023] [Indexed: 10/15/2023]
Abstract
Superoxide anion (O2•-), the first generated reactive oxygen species (ROS), is a critical player in cellular signaling network and redox homeostasis. Imaging of O2•-, particularly in vivo, is of concern for further understanding its roles in pathophysiological and pharmacological events. Herein, we designed a novel probe, (E)-4-(5-(2-(benzo[d]thiazol-2-yl)-2-cyanovinyl)furan-2-yl)phenyl trifluoromethane-sulfonate (BFTF), by modifying hydroxyphenyl benzothiazole (a widely used dye scaffold) which includes insertion of both an acrylonitrile unit and a furan ring to extend the total π-conjugation system and to enhance push-pull intramolecular charge transfer process, and utilization of trifluoromethanesulfonate as the response unit. Toward O2•-, the probe features near-infrared fluorescent emission (685 nm), large Stokes shift (135 nm), and deep tissue penetration (300 μm). With its help, we successfully mapped preferential generation of O2•- in HepG2 cells over L02 cells, as well as in A549 over BEAS-2B cells by β-lapachone (an anticancer agent that generates O2•-), and more importantly, visualized overproduction of O2•- in living mice with liver injury induced by acetaminophen (a well-known analgesic and antipyretic drug).
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Affiliation(s)
- Wei Tang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China
| | - Jun-Ru Liu
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, School of Life Sciences, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China
| | - Qi Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China
| | - Ya-Long Zheng
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China
| | - Xi-Yue Zhou
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China
| | - Li Xie
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, School of Life Sciences, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China
| | - Fang Dai
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China.
| | - Shengxiang Zhang
- Gansu Key Laboratory of Biomonitoring and Bioremediation for Environmental Pollution, School of Life Sciences, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China.
| | - Bo Zhou
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, 222 Tianshui Street S., Lanzhou, Gansu, 730000, China.
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Lu X, Wu M, Luo Q. Development of a NIR fluorescent probe for fluorescence-assisted EGFR-TKI applicable patients screening and drug resistance monitoring. Eur J Med Chem 2023; 261:115818. [PMID: 37741183 DOI: 10.1016/j.ejmech.2023.115818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 09/10/2023] [Accepted: 09/11/2023] [Indexed: 09/25/2023]
Abstract
EGFR tyrosine kinase inhibitor exerts significant benefits to non-small cell lung cancer patient, but was also limited by the applicable patient screening and drug resistance. Here we presented with an EGFR-targeted and reactive oxygen species-responsive NIR probe (LX) to achieve both patient screening and drug resistance monitoring for EGFR-tyrosine kinase inhibitor. LX inherited EGFR selectivity and preference from EGFR-tyrosine kinase inhibitor, which only showed specificity to tumor with EGFR mutation. Meanwhile, the near-infrared fluorescence of LX was initially inhibited and could be turned on by intratumoral reactive oxygen species. When LX could bind to tumor EGFR, reactive oxygen species-responsive specific fluorescence was generated to indicate the applicability of tumors to EGFR-tyrosine kinase inhibitor. However, no specific LX fluorescence could be observed in inapplicable tumors due to the lack of specificity between tumor EGFR and LX. Meanwhile, when drug resistance was developed during treatments, obvious intratumoral reactive species oxygen decrease happened, which was also deemed as a significant signal of the drug resistance. By visualizing intratumoral reactive oxygen species fluctuation by responsive fluorescence, drug resistance could be monitored and reported.
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Affiliation(s)
- Xinmiao Lu
- Department of Nuclear Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200235, China
| | - Muyu Wu
- Department of Nuclear Medicine, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Quanyong Luo
- Department of Nuclear Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200235, China.
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Yang W, Liu R, Yin X, Wu K, Yan Z, Wang X, Fan G, Tang Z, Li Y, Jiang H. Novel Near-Infrared Fluorescence Probe for Bioimaging and Evaluating Superoxide Anion Fluctuations in Ferroptosis-Mediated Epilepsy. Anal Chem 2023; 95:12240-12246. [PMID: 37556358 DOI: 10.1021/acs.analchem.3c00852] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
Ferroptosis is an iron-regulated, caspase-mediated pathway of cell death that is associated with the excessive aggregation of lipid-reactive oxygen species and is extensively involved in the evolution of many diseases, including epilepsy. The superoxide anion (O2•-), as the primary precursor of ROS, is closely related to ferroptosis-mediated epilepsy. Therefore, it is crucial to establish a highly effective and convenient method for the real-time dynamic monitoring of O2•- during the ferroptosis process in epilepsy for the diagnosis and therapy of ferroptosis-mediated epilepsy. Nevertheless, no probes for detecting O2•- in ferroptosis-mediated epilepsy have been reported. Herein, we systematically conceptualized and developed a novel near-infrared (NIR) fluorescence probe, NIR-FP, for accurately tracking the fluctuation of O2•- in ferroptosis-mediated epilepsy. The probe showed exceptional sensitivity and outstanding selectivity toward O2•-. In addition, the probe has been utilized effectively to bioimage and evaluate endogenous O2•- variations in three types of ferroptosis-mediated epilepsy models (the kainic acid-induced chronic epilepsy model, the pentylenetetrazole-induced acute epilepsy model, and the pilocarpine-induced status epilepticus model). The above applications illustrated that NIR-FP could serve as a reliable and suitable tool for guiding the accurate diagnosis and therapy of ferroptosis-mediated epilepsy.
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Affiliation(s)
- Wenjie Yang
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Ruixin Liu
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Xiaoyi Yin
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Ke Wu
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Zhi Yan
- College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Xiaoming Wang
- Experimental Center, Shandong Provincial Key Laboratory of Traditional Chinese Medicine for Basic Research, Key Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Guanwei Fan
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China
| | - Zhixin Tang
- Experimental Center, Shandong Provincial Key Laboratory of Traditional Chinese Medicine for Basic Research, Key Laboratory of Traditional Chinese Medicine Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Yunlun Li
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
| | - Haiqiang Jiang
- Innovative Institute of Chinese Medicine and Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China
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Wu C, Mao Y, Wang X, Li P, Tang B. Deep-Tissue Fluorescence Imaging Study of Reactive Oxygen Species in a Tumor Microenvironment. Anal Chem 2021; 94:165-176. [PMID: 34802229 DOI: 10.1021/acs.analchem.1c03104] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Tumor microenvironment (TME) is the survival environment for tumor cells to proliferate and metastasize in deep tissue. TME contains tumor cells, immune cells, stromal cells and a variety of active molecules including reactive oxygen species (ROS). Inside the TME, ROS regulate the oxidation-reduction (redox) homeostasis and promote oxidative stress. Due to the rapid proliferation ability and specific metabolic patterns of the TME, ROS pervade virtually all complex physiological processes and play irreplaceable roles in protein modification, signal transduction, metabolism, and energy production in various tumors. Therefore, measurements of the dynamically, multicomponent simultaneous changes of ROS in the TME are of great significance to reveal the detailed proliferation and metastasis mechanisms of the tumor. Near-infrared (NIR) and two-photon (TP) fluorescence imaging techniques possess real-time, dynamic, highly sensitive, and highly signal-to-noise ratios with deep tissue penetration abilities. With the rationally designed probes, the NIR and TP fluorescence imaging techniques have been widely used to reveal the mechanisms of how ROS regulates and constructs complex signals and metabolic networks in TME. Therefore, we summarize the design principles and performances of NIR and TP fluorescence imaging of ROS in the TME in the last four years, as well as discuss the advantages and potentials of these works. This Review can provide guidance and prospects for future research work on TME and facilitate the development of antitumor drugs.
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Affiliation(s)
- Chuanchen Wu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institutes of Biomedical Sciences, Shandong Normal University, Jinan 250014, People's Republic of China
| | - Yuantao Mao
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institutes of Biomedical Sciences, Shandong Normal University, Jinan 250014, People's Republic of China
| | - Xin Wang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institutes of Biomedical Sciences, Shandong Normal University, Jinan 250014, People's Republic of China
| | - Ping Li
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institutes of Biomedical Sciences, Shandong Normal University, Jinan 250014, People's Republic of China
| | - Bo Tang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institutes of Biomedical Sciences, Shandong Normal University, Jinan 250014, People's Republic of China
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Xu C, Xu W, Yang Z, Li S, Wang Y, Hua J. A turn-on mitochondria-targeted near-infrared fluorescent probe with a large Stokes shift for detecting and imaging endogenous superoxide anion in cells. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2021.113304] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Lu Y, Wang R, Sun Y, Tian M, Dong B. Endoplasmic reticulum-specific fluorescent probe for the two-photon imaging of endogenous superoxide anion (O2•-) in live cells and zebrafishes. Talanta 2021; 225:122020. [DOI: 10.1016/j.talanta.2020.122020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/08/2020] [Accepted: 12/13/2020] [Indexed: 02/07/2023]
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Duanghathaipornsuk S, Farrell EJ, Alba-Rubio AC, Zelenay P, Kim DS. Detection Technologies for Reactive Oxygen Species: Fluorescence and Electrochemical Methods and Their Applications. BIOSENSORS 2021; 11:30. [PMID: 33498809 PMCID: PMC7911324 DOI: 10.3390/bios11020030] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/12/2021] [Accepted: 01/19/2021] [Indexed: 12/15/2022]
Abstract
Reactive oxygen species (ROS) have been found in plants, mammals, and natural environmental processes. The presence of ROS in mammals has been linked to the development of severe diseases, such as diabetes, cancer, tumors, and several neurodegenerative conditions. The most common ROS involved in human health are superoxide (O2•-), hydrogen peroxide (H2O2), and hydroxyl radicals (•OH). Organic and inorganic molecules have been integrated with various methods to detect and monitor ROS for understanding the effect of their presence and concentration on diseases caused by oxidative stress. Among several techniques, fluorescence and electrochemical methods have been recently developed and employed for the detection of ROS. This literature review intends to critically discuss the development of these techniques to date, as well as their application for in vitro and in vivo ROS detection regarding free-radical-related diseases. Moreover, important insights into and further steps for using fluorescence and electrochemical methods in the detection of ROS are presented.
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Affiliation(s)
| | - Eveline J Farrell
- Department of Chemical Engineering, The University of Toledo, Toledo, OH 43606, USA
| | - Ana C Alba-Rubio
- Department of Chemical Engineering, The University of Toledo, Toledo, OH 43606, USA
| | - Piotr Zelenay
- Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
| | - Dong-Shik Kim
- Department of Chemical Engineering, The University of Toledo, Toledo, OH 43606, USA
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Zhang Z, Fan J, Du J, Peng X. Two-channel responsive luminescent chemosensors for dioxygen species: Molecular oxygen, singlet oxygen and superoxide anion. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213575] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Jiao S, Zhai J, Yang S, Meng X. A highly responsive, sensitive NIR fluorescent probe for imaging of superoxide anion in mitochondria of oral cancer cells. Talanta 2020; 222:121566. [PMID: 33167262 DOI: 10.1016/j.talanta.2020.121566] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 08/08/2020] [Accepted: 08/11/2020] [Indexed: 12/16/2022]
Abstract
Superoxide anion (O2•-) is an important biomarker for reactive oxygen species (ROS) generated through physiological and pathological processes. However, due to the short half-life of O2•- and high autofluorescence of cell tissues, in situ real-time tracking and monitoring of endogenous O2•- can be difficult. In this paper, a fluorescent probe IFP-O2 was developed to detect endogenous O2•- in cells. The probe could instantaneously react with O2•- to produce fluorescence off-on effect; its detection limit was as low as 10 nM. Cell experiments also showed that the probe had low toxicity and mitochondrial targeting ability. The article presents, for the first time, a probe that can be employed to measure endogenous O2•- in oral cancer Cal-27 cells and is a promising tool for monitoring and evaluating apoptosis.
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Affiliation(s)
- Shan Jiao
- Hospital of Stomatology, Jilin University, Qinghua Road 1500, Changchun, 130021, China
| | - Jingjie Zhai
- Hospital of Stomatology, Jilin University, Qinghua Road 1500, Changchun, 130021, China
| | - Si Yang
- Department of Pediatric Neurology, The First Hospital of Jilin University, Xinmin Street 71, Changchun, 130021, China
| | - Xiuping Meng
- Hospital of Stomatology, Jilin University, Qinghua Road 1500, Changchun, 130021, China.
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