1
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Lytvynenko A, Baluchová S, Zima J, Krůšek J, Schwarzová-Pecková K. Biofouling and performance of boron-doped diamond electrodes for detection of dopamine and serotonin in neuron cultivation media. Bioelectrochemistry 2024; 158:108713. [PMID: 38688079 DOI: 10.1016/j.bioelechem.2024.108713] [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: 01/15/2024] [Revised: 04/18/2024] [Accepted: 04/20/2024] [Indexed: 05/02/2024]
Abstract
Boron doped diamond has been considered as a fouling-resistive electrode material for in vitro and in vivo detection of neurotransmitters. In this study, its performance in electrochemical detection of dopamine and serotonin in neuron cultivation media Neurobasal™ before and after cultivation of rat neurons was investigated. For differential pulse voltammetry the limits of detection in neat Neurobasal™ medium of 2 µM and 0.2 µM for dopamine and serotonin, respectively, were achieved on the polished surface, which is comparable with physiological values. On oxidized surface twofold higher values, but increased repeatabilities of the signals were obtained. However, in Neurobasal™ media with peptides-containing supplements necessary for cell cultivation, the voltammograms were notably worse shaped due to biofouling, especially in the medium isolated after neuron growth. In these complex media, the amperometric detection mode at +0.75 V (vs. Ag/AgCl) allowed to detect portion-wise additions of dopamine and serotonin (as low as 1-2 µM), mimicking neurotransmitter release from vesicles despite the lower sensitivity in comparison with neat NeurobasalTM. The results indicate substantial differences in detection on boron doped diamond electrode in the presence and absence of proteins, and the necessity of studies in real media for successful implementation to neuron-electrode interfaces.
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Affiliation(s)
- Anton Lytvynenko
- Charles University, Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry, Albertov 6, 128 00 Prague, Czech Republic
| | - Simona Baluchová
- Charles University, Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry, Albertov 6, 128 00 Prague, Czech Republic
| | - Jiří Zima
- Charles University, Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry, Albertov 6, 128 00 Prague, Czech Republic
| | - Jan Krůšek
- Institute of Physiology of the Czech Academy of Sciences, Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Karolina Schwarzová-Pecková
- Charles University, Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry, Albertov 6, 128 00 Prague, Czech Republic.
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2
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Wang Y, Huang K, Wang T, Liu L, Yu F, Sun W, Yao W, Xiong H, Liu X, Jiang H, Wang X. Nanosensors Monitor Intracellular GSH Depletion: GSH Triggers Cu(II) for Tumor Imaging and Inhibition. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310300. [PMID: 38299477 DOI: 10.1002/smll.202310300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/22/2023] [Indexed: 02/02/2024]
Abstract
Glutathione (GSH) is the primary antioxidant in cells, and GSH consumption will break the redox balance in cells. Based on this, a method that uses high concentrations of GSH in the tumor microenvironment to trigger the redox reaction of Cu(II) to generate copper nanoprobes with fluorescence and tumor growth inhibition properties is proposed. The nanoprobe mainly exists in the form of Cu(I) and catalyzes the decomposition of hydrogen peroxide into hydroxyl radicals. At the same time, a simple and controllable carbon micro-nano electrode is used to construct a single-cell sensing platform, which enable the detection of glutathione content in single living cells after Cu(II) treatment, providing an excellent example for detecting single-cell biomolecules.
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Affiliation(s)
- Yihan Wang
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
- Life Science Research Center, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, 453100, China
| | - Ke Huang
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Tingya Wang
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
- Department of Oncology, Zhongda Hospital, Medical School, Southeast University, Nanjing, 210009, P. R. China
| | - Liu Liu
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Fangfang Yu
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Wenyu Sun
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Wenyan Yao
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Hongjie Xiong
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Xiaohui Liu
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Hui Jiang
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Xuemei Wang
- State Key Laboratory of Digital Medical Engineering, National Demonstration Center for Experimental Biomedical Engineering Education, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
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3
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Beregoi M, Oprea D, Bunea MC, Enculescu M, Enache TA. Electrospun fibrillary scaffold for electrochemical cell biomarkers detection. Mikrochim Acta 2024; 191:435. [PMID: 38949689 PMCID: PMC11217050 DOI: 10.1007/s00604-024-06523-w] [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: 03/27/2024] [Accepted: 06/21/2024] [Indexed: 07/02/2024]
Abstract
A novel scaffold for in situ electrochemical detection of cell biomarkers was developed using electrospun nanofibers and commercial adhesive polymeric membranes. The electrochemical sensing of cell biomarkers requires the cultivation of the cells on/near the (bio)sensor surface in a manner to preserve an appropriate electroactive available surface and to avoid the surface passivation and sensor damage. This can be achieved by employing biocompatible nanofiber meshes that allow the cells to have a normal behavior and do not alter the electrochemical detection. For a better mechanical stability and ease of handling, nylon 6/6 nanofibers were collected on commercial polymeric membranes, at an optimal fiber density, obtaining a double-layered platform. To demonstrate the functionality of the fabricated scaffold, the screening of cellular stress has been achieved integrating melanoma B16-F10 cells and the (bio)sensor components on the transducer whereas the melanin exocytosis was successfully quantified using a commercial electrode. Either directly on the surface of the (bio)sensor or spatially detached from it, the integration of cell cultures in biosensing platforms based on electrospun nanofibers represents a powerful bioanalytical tool able to provide real-time information about the biomarker release, enzyme activity or inhibition, and monitoring of various cellular events.
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Affiliation(s)
- Mihaela Beregoi
- Functional Nanostructures Laboratory, National Institute of Materials Physics, Atomistilor Str. 405A, 077125, Magurele, Romania
| | - Daniela Oprea
- Functional Nanostructures Laboratory, National Institute of Materials Physics, Atomistilor Str. 405A, 077125, Magurele, Romania
- Faculty of Physics, University of Bucharest, Atomistilor Str. 405, 077125, Magurele, Romania
| | - Mihaela Cristina Bunea
- Functional Nanostructures Laboratory, National Institute of Materials Physics, Atomistilor Str. 405A, 077125, Magurele, Romania
| | - Monica Enculescu
- Functional Nanostructures Laboratory, National Institute of Materials Physics, Atomistilor Str. 405A, 077125, Magurele, Romania
| | - Teodor Adrian Enache
- Functional Nanostructures Laboratory, National Institute of Materials Physics, Atomistilor Str. 405A, 077125, Magurele, Romania.
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4
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Dhas N, Kudarha R, Tiwari R, Tiwari G, Garg N, Kumar P, Kulkarni S, Kulkarni J, Soman S, Hegde AR, Patel J, Garkal A, Sami A, Datta D, Colaco V, Mehta T, Vora L, Mutalik S. Recent advancements in nanomaterial-mediated ferroptosis-induced cancer therapy: Importance of molecular dynamics and novel strategies. Life Sci 2024; 346:122629. [PMID: 38631667 DOI: 10.1016/j.lfs.2024.122629] [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: 11/23/2023] [Revised: 03/04/2024] [Accepted: 04/10/2024] [Indexed: 04/19/2024]
Abstract
Ferroptosis is a novel type of controlled cell death resulting from an imbalance between oxidative harm and protective mechanisms, demonstrating significant potential in combating cancer. It differs from other forms of cell death, such as apoptosis and necrosis. Molecular therapeutics have hard time playing the long-acting role of ferroptosis induction due to their limited water solubility, low cell targeting capacity, and quick metabolism in vivo. To this end, small molecule inducers based on biological factors have long been used as strategy to induce cell death. Research into ferroptosis and advancements in nanotechnology have led to the discovery that nanomaterials are superior to biological medications in triggering ferroptosis. Nanomaterials derived from iron can enhance ferroptosis induction by directly releasing large quantities of iron and increasing cell ROS levels. Moreover, utilizing nanomaterials to promote programmed cell death minimizes the probability of unfavorable effects induced by mutations in cancer-associated genes such as RAS and TP53. Taken together, this review summarizes the molecular mechanisms involved in ferroptosis along with the classification of ferroptosis induction. It also emphasized the importance of cell organelles in the control of ferroptosis in cancer therapy. The nanomaterials that trigger ferroptosis are categorized and explained. Iron-based and noniron-based nanomaterials with their characterization at the molecular and cellular levels have been explored, which will be useful for inducing ferroptosis that leads to reduced tumor growth. Within this framework, we offer a synopsis, which traverses the well-established mechanism of ferroptosis and offers practical suggestions for the design and therapeutic use of nanomaterials.
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Affiliation(s)
- Namdev Dhas
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Ritu Kudarha
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Ruchi Tiwari
- Pranveer Singh Institute of Technology (Pharmacy), Kalpi road, Bhauti, Kanpur 208020, Uttar Pradesh, India
| | - Gaurav Tiwari
- Pranveer Singh Institute of Technology (Pharmacy), Kalpi road, Bhauti, Kanpur 208020, Uttar Pradesh, India
| | - Neha Garg
- Department of Medicinal Chemistry, Faculty of Ayurveda, Institute of Medical Science, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Praveen Kumar
- Department of Medicinal Chemistry, Faculty of Ayurveda, Institute of Medical Science, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
| | - Sanjay Kulkarni
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Jahnavi Kulkarni
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Soji Soman
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Aswathi R Hegde
- Faculty of Pharmacy, M S Ramaiah University of Applied Sciences, New BEL Road, MSR Nagar, Bangalore 560054, Karnataka, India
| | | | - Atul Garkal
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India; Center for Nanomedicine at the Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA; Department of Ophthalmology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA
| | - Anam Sami
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Deepanjan Datta
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Viola Colaco
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India
| | - Tejal Mehta
- Department of Pharmaceutics, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat 382481, India
| | - Lalitkumar Vora
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom
| | - Srinivas Mutalik
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal 576104, Karnataka, India.
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5
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Gong C, Ji Q, Wu M, Tu Z, Lei K, Luo M, Liu J, Lin L, Li K, Li J, Huang K, Zhu X. Ferroptosis in tumor immunity and therapy. J Cell Mol Med 2022; 26:5565-5579. [DOI: 10.1111/jcmm.17529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 07/11/2022] [Accepted: 07/14/2022] [Indexed: 11/05/2022] Open
Affiliation(s)
- Chuandong Gong
- Department of Neurosurgery The Second Affiliated Hospital of Nanchang University Nanchang China
- Institute of Neuroscience, Nanchang University Nanchang China
- Jiangxi Key Laboratory of Neurological Tumors and Cerebrovascular Diseases Nanchang China
| | - Qiankun Ji
- Department of Neurosurgery The Second Affiliated Hospital of Nanchang University Nanchang China
- Institute of Neuroscience, Nanchang University Nanchang China
- Jiangxi Key Laboratory of Neurological Tumors and Cerebrovascular Diseases Nanchang China
| | - Miaojing Wu
- Department of Neurosurgery The Second Affiliated Hospital of Nanchang University Nanchang China
- Institute of Neuroscience, Nanchang University Nanchang China
- Jiangxi Key Laboratory of Neurological Tumors and Cerebrovascular Diseases Nanchang China
| | - Zewei Tu
- Department of Neurosurgery The Second Affiliated Hospital of Nanchang University Nanchang China
- Institute of Neuroscience, Nanchang University Nanchang China
- Jiangxi Key Laboratory of Neurological Tumors and Cerebrovascular Diseases Nanchang China
| | - Kunjian Lei
- Department of Neurosurgery The Second Affiliated Hospital of Nanchang University Nanchang China
- Institute of Neuroscience, Nanchang University Nanchang China
- Jiangxi Key Laboratory of Neurological Tumors and Cerebrovascular Diseases Nanchang China
| | - Min Luo
- Department of Neurosurgery The Second Affiliated Hospital of Nanchang University Nanchang China
- Institute of Neuroscience, Nanchang University Nanchang China
- Jiangxi Key Laboratory of Neurological Tumors and Cerebrovascular Diseases Nanchang China
| | - Junzhe Liu
- Department of Neurosurgery The Second Affiliated Hospital of Nanchang University Nanchang China
- Institute of Neuroscience, Nanchang University Nanchang China
- Jiangxi Key Laboratory of Neurological Tumors and Cerebrovascular Diseases Nanchang China
| | - Li Lin
- Department of Neurosurgery The Second Affiliated Hospital of Nanchang University Nanchang China
- Institute of Neuroscience, Nanchang University Nanchang China
- Jiangxi Key Laboratory of Neurological Tumors and Cerebrovascular Diseases Nanchang China
| | - Kuangxun Li
- College of Queen Mary Nanchang University Nanchang China
| | - Jingying Li
- Department of Comprehensive Intensive Care Unit Second Affiliated Hospital of Nanchang University Nanchang China
| | - Kai Huang
- Department of Neurosurgery The Second Affiliated Hospital of Nanchang University Nanchang China
- Institute of Neuroscience, Nanchang University Nanchang China
- Jiangxi Key Laboratory of Neurological Tumors and Cerebrovascular Diseases Nanchang China
| | - Xingen Zhu
- Department of Neurosurgery The Second Affiliated Hospital of Nanchang University Nanchang China
- Institute of Neuroscience, Nanchang University Nanchang China
- Jiangxi Key Laboratory of Neurological Tumors and Cerebrovascular Diseases Nanchang China
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6
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Song Q, Li Q, Yan J, Song Y. Echem methods and electrode types of the current in vivo electrochemical sensing. RSC Adv 2022; 12:17715-17739. [PMID: 35765338 PMCID: PMC9199085 DOI: 10.1039/d2ra01273a] [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: 02/25/2022] [Accepted: 06/02/2022] [Indexed: 11/21/2022] Open
Abstract
For a long time, people have been eager to realize continuous real-time online monitoring of biological compounds. Fortunately, in vivo electrochemical biosensor technology has greatly promoted the development of biological compound detection. This article summarizes the existing in vivo electrochemical detection technologies into two categories: microdialysis (MD) and microelectrode (ME). Then we summarized and discussed the electrode surface time, pollution resistance, linearity and the number of instances of simultaneous detection and analysis, the composition and characteristics of the sensor, and finally, we also predicted and prospected the development of electrochemical technology and sensors in vivo.
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Affiliation(s)
- Qiuye Song
- The Affiliated Zhangjiagang Hospital of Soochow University Zhangjiagang 215600 Jiangsu People's Republic of China +86 791 87802135 +86 791 87802135
| | - Qianmin Li
- Key Laboratory of Depression Animal Model Based on TCM Syndrome, Jiangxi Administration of Traditional Chinese Medicine, Key Laboratory of TCM for Prevention and Treatment of Brain Diseases with Cognitive Dysfunction, Jiangxi Province, Jiangxi University of Chinese Medicine 1688 Meiling Road Nanchang 330006 China
| | - Jiadong Yan
- The Affiliated Zhangjiagang Hospital of Soochow University Zhangjiagang 215600 Jiangsu People's Republic of China +86 791 87802135 +86 791 87802135
| | - Yonggui Song
- Key Laboratory of Depression Animal Model Based on TCM Syndrome, Jiangxi Administration of Traditional Chinese Medicine, Key Laboratory of TCM for Prevention and Treatment of Brain Diseases with Cognitive Dysfunction, Jiangxi Province, Jiangxi University of Chinese Medicine 1688 Meiling Road Nanchang 330006 China.,Key Laboratory of Pharmacodynamics and Safety Evaluation, Health Commission of Jiangxi Province, Nanchang Medical College 1688 Meiling Road Nanchang 330006 China
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7
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Mostafa IM, Liu H, Hanif S, Gilani MRHS, Guan Y, Xu G. Synthesis of a Novel Electrochemical Probe for the Sensitive and Selective Detection of Biothiols and Its Clinical Applications. Anal Chem 2022; 94:6853-6859. [PMID: 35476395 DOI: 10.1021/acs.analchem.2c00813] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The ability to estimate and quantify biothiols in biological fluids is very significant for attaining a detailed understanding of biothiols-related pathological diseases. Most of the developed methods for biothiols detection are not suitable for this purpose owing to their low sensitivity, poor selectivity, and long experimental procedures. In this study, a novel and simple structure electrochemical probe has been synthesized for the first time for the selective determination of biothiols. The developed probe is based on using 2,4-dinitrobenzenesulfonyl moiety (DNBS) as a selective recognition moiety for biothiols. The electrochemical probe was successfully fabricated through a facile one-step reaction between 2,4-dinitrobenzenesulfonyl chloride (DNBS-Cl) and p-aminophenol. The successful synthesis of the probe was confirmed by using different characterization techniques such as an NMR spectroscopy, Fourier-transform infrared (FT-IR) spectroscopy, and mass spectrometry. Biothiols can selectively cleave the DNBS moiety through an aromatic nucleophilic substitution (ANS) reaction within 10 min to release p-aminophenol, which is a highly electrochemical active molecule that can be selectively detected easily by cyclic voltammetry at low potential. The probe has been employed for the quantification of cysteine, glutathione, and homocysteine with a LOD of 1.50, 3.48, and 4.67 μM, respectively. Excellent recoveries have been achieved in the range of 95.44-98.71% for the determination of the total biothiols in the human plasma sample.
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Affiliation(s)
- Islam M Mostafa
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China.,University of Science and Technology of China, Hefei 230000, PR China.,Minia University, Minia 61519, Arab Republic of Egypt
| | - Hongzhan Liu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China.,University of Science and Technology of China, Hefei 230000, PR China
| | - Saima Hanif
- Department of Biological Sciences, National University of Medical Sciences, The Mall Road, Rawalpindi, Punjab 46000, Pakistan
| | | | - Yiran Guan
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China
| | - Guobao Xu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, PR China.,University of Science and Technology of China, Hefei 230000, PR China
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8
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Diamonds for Life: Developments in Sensors for Biomolecules. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12063000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
Diamond-based electrodes and biosensors are interesting in analytics because of their particular set of properties, namely: large potential window, chemical inertness, low baseline current, stability, and transparency. Diamond-based electrodes and biosensors were shown to detect biological molecules such as neurotransmitters and proteins, respectively. In this review, we summarise the different types of diamond electrodes and biosensors based on their type of detection (electrochemical or optical), functionalisation, and target analyte. The last section presents a discussion on the different analytical responses obtained with electrodes or biosensors, according to the type of analyte. Electrodes work quite well for detecting small molecules with redox properties, whereas biosensors are more suited for detecting molecules with a high molecular weight, such as DNA and proteins.
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9
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Gong C, Li Z, Liu G, Wang R, Pu S. A sensitive fluorescence "turn on" nanosensor for glutathione detection based on Ce-MOF and gold nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 265:120362. [PMID: 34509887 DOI: 10.1016/j.saa.2021.120362] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 08/24/2021] [Accepted: 08/31/2021] [Indexed: 06/13/2023]
Abstract
Glutathione (GSH) as an essential biothiol maintains redox homeostasis in human body, the aberrant level of it has been related to various diseases. In this work, we constructed a facile and environment-friendly strategy by using Ce based metal-organic frameworks and gold nanoparticles (AuNPs) for detection of GSH. The fluorescence intensity of the Ce-MOF was quenched by AuNPs, which is ascribed to the existence of fluorescence resonance energy transfer (FRET) and electrostatic interaction between Ce-MOFs and AuNPS. Because of the formation of Au-SH between AuNPs and GSH, the addition GSH induced the Ce-MOF/AuNPs and prevented the occurrence of FRET and electrostatic interaction between Ce-MOFs and AuNPS, which futher recovered the fluorescence of Ce-MOF. Under the optimized conditions, this "turn-on" sensing process revealed a high selectivity toward GSH and displayed good linearity in range of 0.2-32.5 μM with low detection limit of 58 nM. In addition, the practicability of the strategy was testified through analyzing GSH in real human serum samples.
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Affiliation(s)
- Congcong Gong
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China
| | - Zhijian Li
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China.
| | - Gang Liu
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China
| | - Renjie Wang
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China
| | - Shouzhi Pu
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, PR China; YuZhang Normal University, Nanchang 330013, PR China.
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10
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EINAGA Y. Application of Boron-doped Diamond Electrodes: Focusing on the Electrochemical Reduction of Carbon Dioxide. ELECTROCHEMISTRY 2022. [DOI: 10.5796/electrochemistry.22-00060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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11
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France M, Galligan JJ, Swain GM. In vitro electrochemical measurement of serotonin release in the human jejunum mucosa using a diamond microelectrode. Analyst 2022; 147:2523-2532. [PMID: 35543208 PMCID: PMC9599047 DOI: 10.1039/d2an00487a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report herein on the use of a boron-doped diamond microelectrode (DME) to record oxidation currents in vitro associated with the release of serotonin from enterochromaffin cells in the epithelium of the human intestinal mucosa.
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Affiliation(s)
- Marion France
- Department of Chemistry, Michigan State University, East Lansing, MI 48824, USA
| | - James J. Galligan
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI 48824, USA
- Neuroscience Program, Michigan State University, East Lansing, MI 48824, USA
| | - Greg M. Swain
- Department of Chemistry, Michigan State University, East Lansing, MI 48824, USA
- Neuroscience Program, Michigan State University, East Lansing, MI 48824, USA
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12
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Ivandini TA, Einaga Y. Electrochemical Sensing Applications Using Diamond Microelectrodes. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210296] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Tribidasari A. Ivandini
- Department of Chemistry, Faculty of Mathematics and Science, Universitas Indonesia, Kampus UI Depok, Jakarta 16424, Indonesia
| | - Yasuaki Einaga
- Department of Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi, Yokohama, Kanagawa 223-8522, Japan
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13
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Seaton BT, Heien ML. Biocompatible reference electrodes to enhance chronic electrochemical signal fidelity in vivo. Anal Bioanal Chem 2021; 413:6689-6701. [PMID: 34595560 DOI: 10.1007/s00216-021-03640-w] [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: 04/09/2021] [Revised: 08/27/2021] [Accepted: 08/30/2021] [Indexed: 12/17/2022]
Abstract
In vivo electrochemistry is a vital tool of neuroscience that allows for the detection, identification, and quantification of neurotransmitters, their metabolites, and other important analytes. One important goal of in vivo electrochemistry is a better understanding of progressive neurological disorders (e.g., Parkinson's disease). A complete understanding of such disorders can only be achieved through a combination of acute (i.e., minutes to hours) and chronic (i.e., days or longer) experimentation. Chronic studies are more challenging because they require prolonged implantation of electrodes, which elicits an immune response, leading to glial encapsulation of the electrodes and altered electrode performance (i.e., biofouling). Biofouling leads to increased electrode impedance and reference electrode polarization, both of which diminish the selectivity and sensitivity of in vivo electrochemical measurements. The increased impedance factor has been successfully mitigated previously with the use of a counter electrode, but the challenge of reference electrode polarization remains. The commonly used Ag/AgCl reference electrode lacks the long-term potential stability in vivo required for chronic measurements. In addition, the cytotoxicity of Ag/AgCl adversely affects animal experimentation and prohibits implantation in humans, hindering translational research progress. Thus, a move toward biocompatible reference electrodes with superior chronic potential stability is necessary. Two qualifying materials, iridium oxide and boron-doped diamond, are introduced and discussed in terms of their electrochemical properties, biocompatibilities, fabrication methods, and applications. In vivo electrochemistry continues to advance toward more chronic experimentation in both animal models and humans, necessitating the utilization of biocompatible reference electrodes that should provide superior potential stability and allow for unprecedented chronic signal fidelity when used with a counter electrode for impedance mitigation.
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Affiliation(s)
- Blake T Seaton
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ, 85721, USA
| | - Michael L Heien
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ, 85721, USA.
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14
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Hu P, Zhang Y, Wang D, Qi G, Jin Y. Glutathione Content Detection of Single Cells under Ingested Doxorubicin by Functionalized Glass Nanopores. Anal Chem 2021; 93:4240-4245. [DOI: 10.1021/acs.analchem.0c05004] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Ping Hu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Ying Zhang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Dandan Wang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Guohua Qi
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yongdong Jin
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- University of Science and Technology of China, Hefei, Anhui 230026, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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15
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Wu Y, Yu C, Luo M, Cen C, Qiu J, Zhang S, Hu K. Ferroptosis in Cancer Treatment: Another Way to Rome. Front Oncol 2020; 10:571127. [PMID: 33102227 PMCID: PMC7546896 DOI: 10.3389/fonc.2020.571127] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 08/25/2020] [Indexed: 12/14/2022] Open
Abstract
Ferroptosis is a newly described type of programmed cell death and intensively related to both maintaining homeostasis and the development of diseases, especially cancers. Inducing ferroptosis leads to mitochondrial dysfunction and toxic lipid peroxidation in cells, which plays a pivotal role in suppressing cancer growth and progression. Here, we reviewed the existing studies about the molecular mechanisms of ferroptosis involved in different antitumor treatments, such as chemotherapy, targeted therapy, radiotherapy, and immunotherapy. We focused in particular on the distinct combinatorial therapeutic effects such as the synergistic sensitization effect and the drug-resistance reversal achieved when using ferroptosis inducers with conventional cancer therapy. Finally, we discussed the challenges and opportunities in clinical applications of ferroptosis. The application of nanotechnolgy and other novel technologies may provide a new direction in ferroptosis-driven cancer therapies.
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Affiliation(s)
- Yinan Wu
- Department of Breast Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
| | - Chengcheng Yu
- Department of Orthopedics, The Second Affiliated Hospital, College of Medicine, Zhejiang University School of Medicine, Hangzhou, China
| | - Meng Luo
- Department of Breast Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
| | - Chen Cen
- Department of Breast Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
| | - Jili Qiu
- Department of Breast Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
| | - Suzhan Zhang
- The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
| | - Kaimin Hu
- Department of Breast Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.,The Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, China
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16
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Chen D, Feng Y. Recent Progress of Glutathione (GSH) Specific Fluorescent Probes: Molecular Design, Photophysical Property, Recognition Mechanism and Bioimaging. Crit Rev Anal Chem 2020; 52:649-666. [PMID: 32941060 DOI: 10.1080/10408347.2020.1819193] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The selective detection of glutathione (GSH) in vitro and in vivo has attracted great attentions, credited to its important role in life activities and association with a series of diseases. Among all kinds of analytical techniques, the fluorescent probe for GSH detection become prevalent recently because of its ease of operation, high temporal-spatial resolution, visualization and noninvasiveness, etc. The special structural features of GSH, such as the nucleophilicity of sulfhydryl group, the concerted reaction ability of amino group, the negative charged nature, the latent hydrogen bonding ability along with its flexible molecular chain, are all potent factors to be employed to design the specific fluorescent probe for GSH and discriminate it from other bio-species including its analogues cysteine (Cys) and homocysteine (Hcy). This paper reviewed the studies in the last 3 years and was organized based on the reaction mechanism of each probe. According to the reactivity of GSH, various recognition mechanisms including Michael addition, nucleophilic aromatic substitution, ordinary nucleophilic substitution, multi-site reaction, and other unique reactions have been utilized to construct the GSH specific fluorescent probes, and the molecular design strategy, photophysical property, recognition mechanism, and bioimaging application of each reported probe were all discussed here systematically. Great progress has been made in this area, and we believe the analyses and summarization of these excellent studies would provide valuable message and inspiration to researchers to advance the research toward clinic applications.
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Affiliation(s)
- Dugang Chen
- Key Laboratory for Green Chemical Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, P. R. China
| | - Yangzhen Feng
- Key Laboratory for Green Chemical Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, P. R. China
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17
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Hanawa A, Ogata G, Sawamura S, Asai K, Kanzaki S, Hibino H, Einaga Y. In Vivo Real-Time Simultaneous Examination of Drug Kinetics at Two Separate Locations Using Boron-Doped Diamond Microelectrodes. Anal Chem 2020; 92:13742-13749. [PMID: 32786440 DOI: 10.1021/acs.analchem.0c01707] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Methylcobalamin, which is used for the clinical treatment of patients with neuropathy, can have an impact on the sensorineural components associated with the cochlea, and it is possible that the auditory threshold in a certain population of patients with deafness may be recovered. Nonetheless, it remains uncertain whether the action site of methylcobalamin is localized inside or outside the cochlea and which cellular or tissue element is targeted by the drug. In the present work, we developed a method to realize in vivo real-time simultaneous examination of the drug kinetics in two separate locations using boron-doped diamond microelectrodes. First, the analytical performance of methylcobalamin was studied and the measurement protocol was optimized in vitro. Then, the optimized protocol was applied to carry out real-time measurements inside the cochlea and the leg muscle in live guinea pigs while systemically administering methylcobalamin. The results showed that the methylcobalamin concentration in the cochlea was below the limit of detection for the microelectrodes or the drug did not reach the cochlea, whereas the compound clearly reached the leg muscle.
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Affiliation(s)
- Ai Hanawa
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
| | - Genki Ogata
- Department of Molecular Physiology, School of Medicine, Niigata University, Niigata 951-8510, Japan
| | - Seishiro Sawamura
- Department of Molecular Physiology, School of Medicine, Niigata University, Niigata 951-8510, Japan
| | - Kai Asai
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
| | - Sho Kanzaki
- Department of Otolaryngology, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Hiroshi Hibino
- Department of Molecular Physiology, School of Medicine, Niigata University, Niigata 951-8510, Japan
| | - Yasuaki Einaga
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
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18
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Vaneev AN, Gorelkin PV, Garanina AS, Lopatukhina HV, Vodopyanov SS, Alova AV, Ryabaya OO, Akasov RA, Zhang Y, Novak P, Salikhov SV, Abakumov MA, Takahashi Y, Edwards CRW, Klyachko NL, Majouga AG, Korchev YE, Erofeev AS. In Vitro and In Vivo Electrochemical Measurement of Reactive Oxygen Species After Treatment with Anticancer Drugs. Anal Chem 2020; 92:8010-8014. [PMID: 32441506 DOI: 10.1021/acs.analchem.0c01256] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
In vivo monitoring of reactive oxygen species (ROS) in tumors during treatment with anticancer therapy is important for understanding the mechanism of action and in the design of new anticancer drugs. In this work, a platinized nanoelectrode is placed into a single cell for detection of the ROS signal, and drug-induced ROS production is then recorded. The main advantages of this method are the short incubation time with the drug and its high sensitivity which allows the detection of low intracellular ROS concentrations. We have shown that our new method can measure the ROS response to chemotherapy in tumor-bearing mice in real-time. ROS levels were measured in vivo inside the tumor at different depths in response to doxorubicin. This work provides an effective new approach for the measurement of intracellular ROS by platinized nanoelectrodes.
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Affiliation(s)
- Alexander N Vaneev
- National University of Science and Technology "MISiS", Leninskiy Avenue, 4, Moscow 119049, Russia.,Lomonosov Moscow State University, Chemistry Department, Leninskie Gory, 1, 3, Moscow 119991, Russia
| | - Petr V Gorelkin
- National University of Science and Technology "MISiS", Leninskiy Avenue, 4, Moscow 119049, Russia
| | - Anastasiia S Garanina
- National University of Science and Technology "MISiS", Leninskiy Avenue, 4, Moscow 119049, Russia
| | - Helena V Lopatukhina
- Lomonosov Moscow State University, Chemistry Department, Leninskie Gory, 1, 3, Moscow 119991, Russia
| | - Stepan S Vodopyanov
- National University of Science and Technology "MISiS", Leninskiy Avenue, 4, Moscow 119049, Russia.,Lomonosov Moscow State University, Chemistry Department, Leninskie Gory, 1, 3, Moscow 119991, Russia
| | - Anna V Alova
- National University of Science and Technology "MISiS", Leninskiy Avenue, 4, Moscow 119049, Russia.,Lomonosov Moscow State University, Chemistry Department, Leninskie Gory, 1, 3, Moscow 119991, Russia
| | - Oxana O Ryabaya
- N. N. Blokhin National Medical Research Center of Oncology, 24 Kashirskoe shosse, Moscow 115478, Russia
| | - Roman A Akasov
- National University of Science and Technology "MISiS", Leninskiy Avenue, 4, Moscow 119049, Russia.,I. M. Sechenov First Moscow State Medical University, Trubetskaya Str. 8-2, Moscow 119991, Russia
| | - Yanjun Zhang
- Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin 300052, China.,Imperial College London, Department of Medicine, London W12 0NN, United Kingdom
| | - Pavel Novak
- National University of Science and Technology "MISiS", Leninskiy Avenue, 4, Moscow 119049, Russia.,Imperial College London, Department of Medicine, London W12 0NN, United Kingdom
| | - Sergey V Salikhov
- National University of Science and Technology "MISiS", Leninskiy Avenue, 4, Moscow 119049, Russia
| | - Maxim A Abakumov
- N. I. Pirogov Russian National Research Medical University, Ostrovityanova Street 1/7, Moscow 117997, Russia
| | - Yasufumi Takahashi
- Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | | | - Natalia L Klyachko
- Lomonosov Moscow State University, Chemistry Department, Leninskie Gory, 1, 3, Moscow 119991, Russia
| | - Alexander G Majouga
- National University of Science and Technology "MISiS", Leninskiy Avenue, 4, Moscow 119049, Russia.,Lomonosov Moscow State University, Chemistry Department, Leninskie Gory, 1, 3, Moscow 119991, Russia.,D. Mendeleev University of Chemical Technology of Russia, Miusskaya Square, 9, Moscow 125047, Russia
| | - Yuri E Korchev
- National University of Science and Technology "MISiS", Leninskiy Avenue, 4, Moscow 119049, Russia.,Imperial College London, Department of Medicine, London W12 0NN, United Kingdom
| | - Alexander S Erofeev
- National University of Science and Technology "MISiS", Leninskiy Avenue, 4, Moscow 119049, Russia.,Lomonosov Moscow State University, Chemistry Department, Leninskie Gory, 1, 3, Moscow 119991, Russia
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19
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Otsuki Y, Yamasaki J, Suina K, Okazaki S, Koike N, Saya H, Nagano O. Vasodilator oxyfedrine inhibits aldehyde metabolism and thereby sensitizes cancer cells to xCT-targeted therapy. Cancer Sci 2019; 111:127-136. [PMID: 31692172 PMCID: PMC6942438 DOI: 10.1111/cas.14224] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 10/23/2019] [Accepted: 10/24/2019] [Indexed: 12/31/2022] Open
Abstract
The major cellular antioxidant glutathione (GSH) protects cancer cells from oxidative damage that can lead to the induction of ferroptosis, an iron‐dependent form of cell death triggered by the aberrant accumulation of lipid peroxides. Inhibitors of the cystine‐glutamate antiporter subunit xCT, which mediates the uptake of extracellular cystine and thereby promotes GSH synthesis, are thus potential anticancer agents. However, the efficacy of xCT‐targeted therapy has been found to be diminished by metabolic reprogramming that affects redox status in cancer cells. Identification of drugs for combination with xCT inhibitors that are able to overcome resistance to xCT‐targeted therapy might thus provide the basis for effective cancer treatment. We have now identified the vasodilator oxyfedrine (OXY) as a sensitizer of cancer cells to GSH‐depleting agents including the xCT inhibitor sulfasalazine (SSZ). Oxyfedrine contains a structural motif required for covalent inhibition of aldehyde dehydrogenase (ALDH) enzymes, and combined treatment with OXY and SSZ was found to induce accumulation of the cytotoxic aldehyde 4‐hydroxynonenal and cell death in SSZ‐resistant cancer cells both in vitro and in vivo. Microarray analysis of tumor xenograft tissue showed cyclooxygenase‐2 expression as a potential biomarker for the efficacy of such combination therapy. Furthermore, OXY‐mediated ALDH inhibition was found to sensitize cancer cells to GSH depletion induced by radiation therapy in vitro. Our findings thus establish a rationale for repurposing of OXY as a sensitizing drug for cancer treatment with agents that induce GSH depletion.
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Affiliation(s)
- Yuji Otsuki
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Juntaro Yamasaki
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Kentaro Suina
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Shogo Okazaki
- Division of Development and Aging, Research Institute for Biomedical Sciences, Tokyo University of Science, Noda, Japan
| | - Naoyoshi Koike
- Department of Radiology, Keio University School of Medicine, Tokyo, Japan
| | - Hideyuki Saya
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
| | - Osamu Nagano
- Division of Gene Regulation, Institute for Advanced Medical Research, Keio University School of Medicine, Tokyo, Japan
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20
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Tian M, Yang M, Liu Y, Jiang FL. Rapid and Reversible Reaction-Based Ratiometric Fluorescent Probe for Imaging of Different Glutathione Levels in Living Cells. ACS APPLIED BIO MATERIALS 2019; 2:4503-4514. [DOI: 10.1021/acsabm.9b00642] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Ming Tian
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Sauvage Center for Molecular Sciences, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Mian Yang
- Hubei Province Key Laboratory for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
| | - Yi Liu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Sauvage Center for Molecular Sciences, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
- Hubei Province Key Laboratory for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
- Guangxi Key Laboratory of Natural Polymer Chemistry, College of Chemistry and Materials Science, Nanning Normal University, Nanning 530001, P. R. China
| | - Feng-Lei Jiang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Sauvage Center for Molecular Sciences, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
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21
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Hanko M, Švorc Ľ, Planková A, Mikuš P. Novel electrochemical strategy for determination of 6-mercaptopurine using anodically pretreated boron-doped diamond electrode. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.03.067] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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22
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Hanko M, Švorc Ľ, Planková A, Mikuš P. Overview and recent advances in electrochemical sensing of glutathione - A review. Anal Chim Acta 2019; 1062:1-27. [PMID: 30947984 DOI: 10.1016/j.aca.2019.02.052] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 02/20/2019] [Accepted: 02/22/2019] [Indexed: 12/13/2022]
Abstract
The present paper is aimed at providing an overview of the recent advances in the electrochemical sensing of glutathione (GSH), an important electrochemically and biologically active molecule, for the period 2012-2018. Herein, the analytical performances of newly developed electrochemical methods, procedures and protocols for GSH sensing are comprehensively and critically discussed with respect to the type of method, electrodes used (new electrode modifications, advanced materials and formats), sample matrices, and basic validation parameters obtained (limit of detection, linear dynamic range, precision, selectivity/evaluation of interferences). This paper considers electrochemical methods used alone as well as the hyphenated methods with electrochemical detection (ECD), such as HPLC-ECD or CE-ECD. The practical applicability of the platforms developed for GSH detection and quantification is mostly focused on pharmaceutical and biomedical analysis. The most significant electrochemical approaches for GSH detection in multicomponent analyte samples and multicomponent matrices and for real-time in vivo GSH analysis are highlighted. The great variability in the electrochemical techniques, electrode approaches, and obtainable performance parameters, discussed in this review, brought new insights not only on current GSH and glutathione disulfide (GSSG) determinations, but, along with this, on the advances in electrochemical analysis from a more general point of view.
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Affiliation(s)
- Michal Hanko
- Comenius University in Bratislava, Faculty of Pharmacy, Department of Pharmaceutical Analysis and Nuclear Pharmacy, Odbojárov 10, SK-832 32, Bratislava, Slovak Republic
| | - Ľubomír Švorc
- Slovak University of Technology in Bratislava, Faculty of Chemical and Food Technology, Institute of Analytical Chemistry, Radlinského 9, SK-812 37, Bratislava, Slovak Republic
| | - Alexandra Planková
- Comenius University in Bratislava, Faculty of Pharmacy, Department of Pharmaceutical Analysis and Nuclear Pharmacy, Odbojárov 10, SK-832 32, Bratislava, Slovak Republic
| | - Peter Mikuš
- Comenius University in Bratislava, Faculty of Pharmacy, Department of Pharmaceutical Analysis and Nuclear Pharmacy, Odbojárov 10, SK-832 32, Bratislava, Slovak Republic; Comenius University in Bratislava, Faculty of Pharmacy, Toxicological and Antidoping Center, Odbojárov 10, SK-832 32, Bratislava, Slovak Republic.
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23
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Asai K, Einaga Y. Fabrication of an all-diamond microelectrode using a chromium mask. Chem Commun (Camb) 2019; 55:897-900. [PMID: 30489578 DOI: 10.1039/c8cc08077a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have developed a new method for fabricating all-diamond microelectrodes. The process comprises three steps: masking the tip of an electrode by electroplating with chromium, depositing undoped diamond, which acts as an insulator on the sides of the electrode, and removing the chromium mask to expose the tip of the electrode. The active area of the electrode can be easily controlled in combination only with a conventional electroplating technique.
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Affiliation(s)
- Kai Asai
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan.
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24
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Einaga Y. Development of Electrochemical Applications of Boron-Doped Diamond Electrodes. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2018. [DOI: 10.1246/bcsj.20180268] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Yasuaki Einaga
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama, Kanagawa 223-8522, Japan
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25
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Cobb SJ, Ayres ZJ, Macpherson JV. Boron Doped Diamond: A Designer Electrode Material for the Twenty-First Century. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2018; 11:463-484. [PMID: 29579405 DOI: 10.1146/annurev-anchem-061417-010107] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Boron doped diamond (BDD) is continuing to find numerous electrochemical applications across a diverse range of fields due to its unique properties, such as having a wide solvent window, low capacitance, and reduced resistance to fouling and mechanical robustness. In this review, we showcase the latest developments in the BDD electrochemical field. These are driven by a greater understanding of the relationship between material (surface) properties, required electrochemical performance, and improvements in synthetic growth/fabrication procedures, including material postprocessing. This has resulted in the production of BDD structures with the required function and geometry for the application of interest, making BDD a truly designer material. Current research areas range from in vivo bioelectrochemistry and neuronal/retinal stimulation to improved electroanalysis, advanced oxidation processes, supercapacitors, and the development of hybrid electrochemical-spectroscopic- and temperature-based technology aimed at enhancing electrochemical performance and understanding.
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Affiliation(s)
- Samuel J Cobb
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom; ,
- Centre for Doctoral Training in Diamond Science and Technology, University of Warwick, Coventry CV4 7AL, United Kingdom;
| | - Zoe J Ayres
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom; ,
| | - Julie V Macpherson
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom; ,
- Centre for Doctoral Training in Diamond Science and Technology, University of Warwick, Coventry CV4 7AL, United Kingdom;
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26
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27
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Shitara K, Doi T, Nagano O, Fukutani M, Hasegawa H, Nomura S, Sato A, Kuwata T, Asai K, Einaga Y, Tsuchihashi K, Suina K, Maeda Y, Saya H, Ohtsu A. Phase 1 study of sulfasalazine and cisplatin for patients with CD44v-positive gastric cancer refractory to cisplatin (EPOC1407). Gastric Cancer 2017; 20:1004-1009. [PMID: 28466360 DOI: 10.1007/s10120-017-0720-y] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 04/13/2017] [Indexed: 02/07/2023]
Abstract
A previous dose-escalation study of sulfasalazine (SSZ), an inhibitor of cystine-glutamate exchange transporter xc (-), in the variant form of CD44 (CD44v)-positive cancer stem cells (CSCs) suggested that administration of SSZ induces the reduction of CD44v-positive cells and intracellular reduced glutathione (GSH) levels in patients with advanced gastric cancer (AGC). Here we report a study to evaluate SSZ in combination with cisplatin in patients with CD44v-expressing AGC refractory to cisplatin. SSZ was given by oral administration four times daily with 2 weeks on and 1 week off. Cisplatin at 60 mg/m2 was administered every 3 weeks. Of the 15 patients who underwent prescreening of CD44v expression, 8 patients were positive, and 7 patients were treated with the dose level of SSZ at 6 g/day. One patient experienced dose-limiting toxicity (DLT) as grade 3 anorexia. Although no other patients experienced DLT, 4 patients required dose interruption or reduction of SSZ; thus, we terminated further dose escalation. No patient achieved objective response, but 1 patient completed six cycles with stable disease for more than 4 months as well as reduction of intratumoral GSH level. The combination of SSZ plus cisplatin was manageable, although dose modification was frequently required during a short observational period.
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Affiliation(s)
- Kohei Shitara
- Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, 6-5-1, Kashiwanoha, Kashiwa, Chiba, 277-8577, Japan
| | - Toshihiko Doi
- Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, 6-5-1, Kashiwanoha, Kashiwa, Chiba, 277-8577, Japan.
| | - Osamu Nagano
- Division of Gene Regulation, Institute for Advanced Medical Research, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Miki Fukutani
- Exploratory Oncology Research and Clinical Trial Center, National Cancer Center Hospital East, 6-5-1, Kashiwanoha, Kashiwa, Chiba, 277-8577, Japan
| | - Hiromi Hasegawa
- Exploratory Oncology Research and Clinical Trial Center, National Cancer Center Hospital East, 6-5-1, Kashiwanoha, Kashiwa, Chiba, 277-8577, Japan
| | - Shogo Nomura
- Biostatistics Division, Center for Research Administration and Support, National Cancer Center Hospital East, 6-5-1, Kashiwanoha, Kashiwa, Chiba, 277-8577, Japan
| | - Akihiro Sato
- Exploratory Oncology Research and Clinical Trial Center, National Cancer Center Hospital East, 6-5-1, Kashiwanoha, Kashiwa, Chiba, 277-8577, Japan
| | - Takeshi Kuwata
- Division of Pathology, Research Center for Innovative Oncology, National Cancer Center Hospital East, 6-5-1, Kashiwanoha, Kashiwa, Chiba, 277-8577, Japan
| | - Kai Asai
- Department of Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi, Yokohama, 223-8522, Japan
| | - Yasuaki Einaga
- Department of Chemistry, Faculty of Science and Technology, Keio University, Hiyoshi, Yokohama, 223-8522, Japan
| | - Kenji Tsuchihashi
- Division of Gene Regulation, Institute for Advanced Medical Research, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Kentaro Suina
- Division of Gene Regulation, Institute for Advanced Medical Research, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Yusuke Maeda
- Division of Gene Regulation, Institute for Advanced Medical Research, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan
| | - Hideyuki Saya
- Division of Gene Regulation, Institute for Advanced Medical Research, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-Ku, Tokyo, 160-8582, Japan.
| | - Atsushi Ohtsu
- Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, 6-5-1, Kashiwanoha, Kashiwa, Chiba, 277-8577, Japan
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28
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Ogata G, Ishii Y, Asai K, Sano Y, Nin F, Yoshida T, Higuchi T, Sawamura S, Ota T, Hori K, Maeda K, Komune S, Doi K, Takai M, Findlay I, Kusuhara H, Einaga Y, Hibino H. A microsensing system for the in vivo real-time detection of local drug kinetics. Nat Biomed Eng 2017; 1:654-666. [PMID: 31015607 DOI: 10.1038/s41551-017-0118-5] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Accepted: 06/30/2017] [Indexed: 01/21/2023]
Abstract
Real-time recording of the kinetics of systemically administered drugs in in vivo microenvironments may accelerate the development of effective medical therapies. However, conventional methods require considerable analyte quantities, have low sampling rates and do not address how drug kinetics correlate with target function over time. Here, we describe the development and application of a drug-sensing system consisting of a glass microelectrode and a microsensor composed of boron-doped diamond with a tip of around 40 μm in diameter. We show that, in the guinea pig cochlea, the system can measure-simultaneously and in real time-changes in the concentration of bumetanide (a diuretic that is ototoxic but applicable to epilepsy treatment) and the endocochlear potential underlying hearing. In the rat brain, we tracked the kinetics of the drug and the local field potentials representing neuronal activity. We also show that the actions of the antiepileptic drug lamotrigine and the anticancer reagent doxorubicin can be monitored in vivo. Our microsensing system offers the potential to detect pharmacological and physiological responses that might otherwise remain undetected.
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Affiliation(s)
- Genki Ogata
- Department of Molecular Physiology, Niigata University School of Medicine, Niigata, 951-8510, Japan.,Center for Transdisciplinary Research, Niigata University, Niigata, 950-2181, Japan
| | - Yuya Ishii
- Department of Chemistry, Faculty of Science and Technology, Keio University, Yokohama, 223-8522, Japan
| | - Kai Asai
- Department of Chemistry, Faculty of Science and Technology, Keio University, Yokohama, 223-8522, Japan
| | - Yamato Sano
- Laboratory of Molecular Pharmacokinetics, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Fumiaki Nin
- Department of Molecular Physiology, Niigata University School of Medicine, Niigata, 951-8510, Japan.,Center for Transdisciplinary Research, Niigata University, Niigata, 950-2181, Japan
| | - Takamasa Yoshida
- Department of Molecular Physiology, Niigata University School of Medicine, Niigata, 951-8510, Japan.,Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Taiga Higuchi
- Department of Molecular Physiology, Niigata University School of Medicine, Niigata, 951-8510, Japan
| | - Seishiro Sawamura
- Department of Molecular Physiology, Niigata University School of Medicine, Niigata, 951-8510, Japan
| | - Takeru Ota
- Department of Molecular Physiology, Niigata University School of Medicine, Niigata, 951-8510, Japan
| | - Karin Hori
- Department of Molecular Physiology, Niigata University School of Medicine, Niigata, 951-8510, Japan
| | - Kazuya Maeda
- Laboratory of Molecular Pharmacokinetics, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Shizuo Komune
- Department of Otorhinolaryngology, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan.,Division of Otolaryngology-Head and Neck Surgery, Yuaikai Oda Hospital, Kashima, Saga, 849-1311, Japan
| | - Katsumi Doi
- Department of Otolaryngology, Kindai University Faculty of Medicine, Osaka, 589-8511, Japan
| | - Madoka Takai
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
| | - Ian Findlay
- Laboratoire des Cellules Cardiaques et Vasculaires, CNRS ERL 7368, Faculté des Sciences, Université François-Rabelais, Tours, 37200, France
| | - Hiroyuki Kusuhara
- Laboratory of Molecular Pharmacokinetics, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Yasuaki Einaga
- Department of Chemistry, Faculty of Science and Technology, Keio University, Yokohama, 223-8522, Japan. .,JST-ACCEL, Tokyo, 812-8582, Japan.
| | - Hiroshi Hibino
- Department of Molecular Physiology, Niigata University School of Medicine, Niigata, 951-8510, Japan. .,Center for Transdisciplinary Research, Niigata University, Niigata, 950-2181, Japan.
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29
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Flexible Boron-Doped Diamond (BDD) Electrodes for Plant Monitoring. SENSORS 2017; 17:s17071638. [PMID: 28714895 PMCID: PMC5539713 DOI: 10.3390/s17071638] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2017] [Revised: 07/07/2017] [Accepted: 07/13/2017] [Indexed: 11/17/2022]
Abstract
Detecting the bio-potential changes of plants would be useful for monitoring their growth and health in the field. A sensitive plant monitoring system with flexible boron-doped diamond (BDD) electrodes prepared from BDD powder and resin (Nafion or Vylon-KE1830) was investigated. The properties of the electrodes were compared with those of small BDD plate-type electrodes by monitoring the bioelectric potentials of potted Aloe and hybrid species in the genus Opuntia. While flexible BDD electrodes have wide potential windows, their cyclic voltammograms are different from those of the BDD plate. Further, the potential gap between a pair of electrodes attached to the plants changes as the plants are stimulated artificially with a finger touch, suggesting that the bioelectric potentials in the plant also changed, manifesting as changes in the potential gap between the electrodes. The BDD electrodes were assessed for their response reproducibility to a finger stimulus for 30 days. It was concluded that the plant monitoring system worked well with flexible BDD electrodes. Further, the electrodes were stable, and as reliable as the BDD plate electrodes in this study. Thus, a flexible and inexpensive BDD electrode system was successfully fabricated for monitoring the bioelectric potential changes in plants.
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30
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Dose-escalation study for the targeting of CD44v + cancer stem cells by sulfasalazine in patients with advanced gastric cancer (EPOC1205). Gastric Cancer 2017; 20:341-349. [PMID: 27055559 DOI: 10.1007/s10120-016-0610-8] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Accepted: 03/31/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND Cancer stem cells (CSCs) have enhanced mechanisms of protection from oxidative stress. A variant form of CD44 (CD44v), a major CSC marker, was shown to interact with xCT, a subunit of cystine-glutamate transporter, which maintains high levels of intracellular reduced glutathione (GSH) which defend the cell against oxidative stress. Sulfasalazine (SSZ) is an inhibitor of xCT and was shown to suppress the survival of CD44v-positive stem-like cancer cells both in vitro and in vivo. To find the dose of SSZ which can safely reduce the population of CD44v-positive cells in tumors, a dose-escalation study in patients with advanced gastric cancer was conducted. METHODS SSZ was given four times daily by oral administration with 2 weeks as one cycle. Tumor biopsies were obtained before and after 14 days of administration of SSZ to evaluate expression of CD44v and the intratumoral level of GSH. RESULTS Eleven patients were enrolled and received a dosage from 8 to 12 g/day. Safety was confirmed up to a dosage of 12 g/day, which was considered the maximum tolerated dose. Among the eight patients with CD44v-positive cells in their pretreatment biopsy samples, the CD44v-positive cancer cell population appeared to be reduced in the posttreatment biopsy tissues of four patients. Intratumoral GSH levels were also decreased in two patients, suggesting biological effectiveness of SSZ at 8 g/day or greater. CONCLUSIONS This is the first study of SSZ as an xCT inhibitor for targeting CSCs. Reduction of the levels of CD44v-positive cells and GSH was observed in some patients, consistent with the mode of action of SSZ in CSCs.
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31
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Carabelli V, Marcantoni A, Picollo F, Battiato A, Bernardi E, Pasquarelli A, Olivero P, Carbone E. Planar Diamond-Based Multiarrays to Monitor Neurotransmitter Release and Action Potential Firing: New Perspectives in Cellular Neuroscience. ACS Chem Neurosci 2017; 8:252-264. [PMID: 28027435 DOI: 10.1021/acschemneuro.6b00328] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
High biocompatibility, outstanding electrochemical responsiveness, inertness, and transparency make diamond-based multiarrays (DBMs) first-rate biosensors for in vitro detection of electrochemical and electrical signals from excitable cells together, with potential for in vivo applications as neural interfaces and prostheses. Here, we will review the electrochemical and physical properties of various DBMs and how these devices have been employed for recording released neurotransmitter molecules and all-or-none action potentials from living cells. Specifically, we will overview how DBMs can resolve localized exocytotic events from subcellular compartments using high-density microelectrode arrays (MEAs), or monitoring oxidizable neurotransmitter release from populations of cells in culture and tissue slices using low-density MEAs. Interfacing DBMs with excitable cells is currently leading to the promising opportunity of recording electrical signals as well as creating neuronal interfaces through the same device. Given the recent increasingly growing development of newly available DBMs of various geometries to monitor electrical activity and neurotransmitter release in a variety of excitable and neuronal tissues, the discussion will be limited to planar DBMs.
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Affiliation(s)
- Valentina Carabelli
- Consorzio Nazionale Interuniversitario per le Scienze fisiche della Materia (CNISM), 10125 Torino Unit, Italy
| | - Andrea Marcantoni
- Consorzio Nazionale Interuniversitario per le Scienze fisiche della Materia (CNISM), 10125 Torino Unit, Italy
| | - Federico Picollo
- Consorzio Nazionale Interuniversitario per le Scienze fisiche della Materia (CNISM), 10125 Torino Unit, Italy
- Istituto Nazionale di Fisica Nucleare (INFN), 10125 sez. Torino, Italy
| | - Alfio Battiato
- Consorzio Nazionale Interuniversitario per le Scienze fisiche della Materia (CNISM), 10125 Torino Unit, Italy
- Istituto Nazionale di Fisica Nucleare (INFN), 10125 sez. Torino, Italy
| | - Ettore Bernardi
- Consorzio Nazionale Interuniversitario per le Scienze fisiche della Materia (CNISM), 10125 Torino Unit, Italy
- Istituto Nazionale di Fisica Nucleare (INFN), 10125 sez. Torino, Italy
| | - Alberto Pasquarelli
- Institute
of Electron Devices and Circuits, Ulm University, 89081 Ulm, Germany
| | - Paolo Olivero
- Consorzio Nazionale Interuniversitario per le Scienze fisiche della Materia (CNISM), 10125 Torino Unit, Italy
- Istituto Nazionale di Fisica Nucleare (INFN), 10125 sez. Torino, Italy
| | - Emilio Carbone
- Consorzio Nazionale Interuniversitario per le Scienze fisiche della Materia (CNISM), 10125 Torino Unit, Italy
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32
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Umezawa K, Yoshida M, Kamiya M, Yamasoba T, Urano Y. Rational design of reversible fluorescent probes for live-cell imaging and quantification of fast glutathione dynamics. Nat Chem 2016; 9:279-286. [PMID: 28221345 DOI: 10.1038/nchem.2648] [Citation(s) in RCA: 311] [Impact Index Per Article: 38.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 09/15/2016] [Indexed: 12/18/2022]
Abstract
Alterations in glutathione (GSH) homeostasis are associated with a variety of diseases and cellular functions, and therefore, real-time live-cell imaging and quantification of GSH dynamics are important for understanding pathophysiological processes. However, existing fluorescent probes are unsuitable for these purposes due to their irreversible fluorogenic mechanisms or slow reaction rates. In this work, we have successfully overcome these problems by establishing a design strategy inspired by Mayr's work on nucleophilic reaction kinetics. The synthesized probes exhibit concentration-dependent, reversible and rapid absorption/fluorescence changes (t1/2 = 620 ms at [GSH] = 1 mM), as well as appropriate Kd values (1-10 mM: within the range of intracellular GSH concentrations). We also developed FRET-based ratiometric probes, and demonstrated that they are useful for quantifying GSH concentration in various cell types and also for real-time live-cell imaging of GSH dynamics with temporal resolution of seconds.
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Affiliation(s)
- Keitaro Umezawa
- Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113 0033, Japan.,Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113 0033, Japan
| | - Masafumi Yoshida
- Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113 0033, Japan.,Department of Otolaryngology - Head and Neck Surgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113 0033, Japan
| | - Mako Kamiya
- Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113 0033, Japan.,PRESTO, Japan Science and Technology (JST) Agency, Honcho, Kawaguchi-shi, Saitama 332 0012, Japan
| | - Tatsuya Yamasoba
- Department of Otolaryngology - Head and Neck Surgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113 0033, Japan
| | - Yasuteru Urano
- Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113 0033, Japan.,Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113 0033, Japan.,CREST, Japan Agency for Medical Research and Development (AMED), 1-7-1 Otemachi, Chiyoda-ku, Tokyo 100 0004, Japan
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33
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Continuous and selective measurement of oxytocin and vasopressin using boron-doped diamond electrodes. Sci Rep 2016; 6:32429. [PMID: 27599852 PMCID: PMC5013270 DOI: 10.1038/srep32429] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Accepted: 08/09/2016] [Indexed: 01/14/2023] Open
Abstract
The electrochemical detection of oxytocin using boron-doped diamond (BDD) electrodes was studied. Cyclic voltammetry of oxytocin in a phosphate buffer solution exhibits an oxidation peak at +0.7 V (vs. Ag/AgCl), which is attributable to oxidation of the phenolic group in the tyrosyl moiety. Furthermore, the linearity of the current peaks obtained in flow injection analysis (FIA) using BDD microelectrodes over the oxytocin concentration range from 0.1 to 10.0 μM with a detection limit of 50 nM (S/N = 3) was high (R(2) = 0.995). Although the voltammograms of oxytocin and vasopressin observed with an as-deposited BDD electrode, as well as with a cathodically-reduced BDD electrode, were similar, a clear distinction was observed with anodically-oxidized BDD electrodes due to the attractive interaction between vasopressin and the oxidized BDD surface. By means of this distinction, selective measurements using chronoamperometry combined with flow injection analysis at an optimized potential were demonstrated, indicating the possibility of making selective in situ or in vivo measurements of oxytocin.
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34
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Highly sensitive detection of influenza virus by boron-doped diamond electrode terminated with sialic acid-mimic peptide. Proc Natl Acad Sci U S A 2016; 113:8981-4. [PMID: 27457924 DOI: 10.1073/pnas.1603609113] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The progression of influenza varies according to age and the presence of an underlying disease; appropriate treatment is therefore required to prevent severe disease. Anti-influenza therapy, such as with neuraminidase inhibitors, is effective, but diagnosis at an early phase of infection before viral propagation is critical. Here, we show that several dozen plaque-forming units (pfu) of influenza virus (IFV) can be detected using a boron-doped diamond (BDD) electrode terminated with a sialic acid-mimic peptide. The peptide was used instead of the sialyloligosaccharide receptor, which is the common receptor of influenza A and B viruses required during the early phase of infection, to capture IFV particles. The peptide, which was previously identified by phage-display technology, was immobilized by click chemistry on the BDD electrode, which has excellent electrochemical characteristics such as low background current and weak adsorption of biomolecules. Electrochemical impedance spectroscopy revealed that H1N1 and H3N2 IFVs were detectable in the range of 20-500 pfu by using the peptide-terminated BDD electrode. Our results demonstrate that the BDD device integrated with the receptor-mimic peptide has high sensitivity for detection of a low number of virus particles in the early phase of infection.
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35
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36
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Wang M, Miura Y, Tsuchihashi K, Miyano K, Nagano O, Yoshikawa M, Tanabe A, Makino J, Mochida Y, Nishiyama N, Saya H, Cabral H, Kataoka K. Eradication of CD44-variant positive population in head and neck tumors through controlled intracellular navigation of cisplatin-loaded nanomedicines. J Control Release 2016; 230:26-33. [PMID: 27040816 DOI: 10.1016/j.jconrel.2016.03.038] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 03/25/2016] [Accepted: 03/28/2016] [Indexed: 12/22/2022]
Abstract
Eventual relapse of tumor growth is commonly observed in head and neck cancer patients, following treatment with platinum-based chemotherapies. This occurrence is believed to be related to the failure to eradicate drug resistant, cancer stem cell (CSC) niches, thereby enriching their population in tumors after treatment. In this study, we show that in contrast to free cisplatin (CDDP), the polymer micelle-based nanomedicine incorporating cisplatin (CDDP/m), can eradicate both the undifferentiated cell and the differentiated cancer cell populations within a head and neck tumor model. Immunohistochemistry of treated tumors showed that opposing to CDDP treatment, CDDP/m could reduce tumor growth without concentrating the CSC-like population. We further showed that CDDP/m, but not CDDP, can localize into hypoxic regions, possibly CSC-rich areas, in the tumors, and can overcome their detoxification mechanism based-on high cellular expression of glutathione to successfully deliver Pt to nuclear DNA. Our data suggests CDDP/m to be a replacement for current platinum therapies, for its ability to eradicate both bulk and CSC-like populations, and in turn to prevent recurrence of tumor growth.
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Affiliation(s)
- Ming Wang
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8654, Japan
| | - Yutaka Miura
- Division of Clinical Biotechnology, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Kenji Tsuchihashi
- Division of Gene Regulation, Institute for Advanced Medical Research, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan; Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Sciences, 3-1-1, Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Kazuki Miyano
- Division of Clinical Biotechnology, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Osamu Nagano
- Division of Gene Regulation, Institute for Advanced Medical Research, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Momoko Yoshikawa
- Division of Gene Regulation, Institute for Advanced Medical Research, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Ami Tanabe
- Division of Clinical Biotechnology, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Jun Makino
- Division of Clinical Biotechnology, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Yuki Mochida
- Innovation Center of Nanomedicine, Kawasaki Institute of Industry Promotion, 66-20 Horikawa-cho, Saiwai-ku, Kawasaki 212-0013, Japan
| | - Nobuhiro Nishiyama
- Innovation Center of Nanomedicine, Kawasaki Institute of Industry Promotion, 66-20 Horikawa-cho, Saiwai-ku, Kawasaki 212-0013, Japan; Polymer Chemistry Division, Chemical Resources Laboratory, Tokyo Institute of Technology, R1-11, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
| | - Hideyuki Saya
- Division of Gene Regulation, Institute for Advanced Medical Research, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
| | - Horacio Cabral
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Kazunori Kataoka
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8654, Japan; Division of Clinical Biotechnology, Center for Disease Biology and Integrative Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan; Innovation Center of Nanomedicine, Kawasaki Institute of Industry Promotion, 66-20 Horikawa-cho, Saiwai-ku, Kawasaki 212-0013, Japan; Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan; Center for Disease Biology and Integrative Medicine, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
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37
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Alcaide M, Taylor A, Fjorback M, Zachar V, Pennisi CP. Boron-Doped Nanocrystalline Diamond Electrodes for Neural Interfaces: In vivo Biocompatibility Evaluation. Front Neurosci 2016; 10:87. [PMID: 27013949 PMCID: PMC4781860 DOI: 10.3389/fnins.2016.00087] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Accepted: 02/22/2016] [Indexed: 11/13/2022] Open
Abstract
Boron-doped nanocrystalline diamond (BDD) electrodes have recently attracted attention as materials for neural electrodes due to their superior physical and electrochemical properties, however their biocompatibility remains largely unexplored. In this work, we aim to investigate the in vivo biocompatibility of BDD electrodes in relation to conventional titanium nitride (TiN) electrodes using a rat subcutaneous implantation model. High quality BDD films were synthesized on electrodes intended for use as an implantable neurostimulation device. After implantation for 2 and 4 weeks, tissue sections adjacent to the electrodes were obtained for histological analysis. Both types of implants were contained in a thin fibrous encapsulation layer, the thickness of which decreased with time. Although the level of neovascularization around the implants was similar, BDD electrodes elicited significantly thinner fibrous capsules and a milder inflammatory reaction at both time points. These results suggest that BDD films may constitute an appropriate material to support stable performance of implantable neural electrodes over time.
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Affiliation(s)
- María Alcaide
- Laboratory for Stem Cell Research, Department of Health Science and Technology, Aalborg University Aalborg, Denmark
| | - Andrew Taylor
- Institute of Physics, Academy of Sciences of the Czech Republic v.v.iPrague, Czech Republic; Nano6 s.r.o.Kladno, Czech Republic
| | | | - Vladimir Zachar
- Laboratory for Stem Cell Research, Department of Health Science and Technology, Aalborg University Aalborg, Denmark
| | - Cristian P Pennisi
- Laboratory for Stem Cell Research, Department of Health Science and Technology, Aalborg University Aalborg, Denmark
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38
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Kondo T, Udagawa I, Aikawa T, Sakamoto H, Shitanda I, Hoshi Y, Itagaki M, Yuasa M. Enhanced Sensitivity for Electrochemical Detection Using Screen-Printed Diamond Electrodes via the Random Microelectrode Array Effect. Anal Chem 2016; 88:1753-9. [DOI: 10.1021/acs.analchem.5b03986] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Takeshi Kondo
- Department
of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
- Research
Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
- ACT-C/JST, 4-1-8 Honcho, Kawaguchi, Saitama 333-0012, Japan
| | - Ikuto Udagawa
- Department
of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Tatsuo Aikawa
- Department
of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Hironori Sakamoto
- Department
of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Isao Shitanda
- Department
of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
- Research
Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Yoshinao Hoshi
- Department
of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Masayuki Itagaki
- Department
of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
- Research
Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
| | - Makoto Yuasa
- Department
of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
- Research
Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba 278-8510, Japan
- ACT-C/JST, 4-1-8 Honcho, Kawaguchi, Saitama 333-0012, Japan
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Medina-Sánchez M, Mayorga-Martinez CC, Watanabe T, Ivandini TA, Honda Y, Pino F, Nakata K, Fujishima A, Einaga Y, Merkoçi A. Microfluidic platform for environmental contaminants sensing and degradation based on boron-doped diamond electrodes. Biosens Bioelectron 2016; 75:365-74. [DOI: 10.1016/j.bios.2015.08.058] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Revised: 07/05/2015] [Accepted: 08/25/2015] [Indexed: 12/01/2022]
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Highly Sensitive Measurement of Bio-Electric Potentials by Boron-Doped Diamond (BDD) Electrodes for Plant Monitoring. SENSORS 2015; 15:26921-8. [PMID: 26512663 PMCID: PMC4634402 DOI: 10.3390/s151026921] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Revised: 10/15/2015] [Accepted: 10/19/2015] [Indexed: 11/16/2022]
Abstract
We describe a sensitive plant monitoring system by the detection of the bioelectric potentials in plants with boron-doped diamond (BDD) electrodes. For sensor electrodes, we used commercially available BDD, Ag, and Pt plate electrodes. We tested this approach on a hybrid species in the genus Opuntia (potted) and three different trees (ground-planted) at different places in Japan. For the Opuntia, we artificially induced bioelectric potential changes by the surface potential using the fingers. We detected substantial changes in bioelectric potentials through all electrodes during finger touches on the surface of potted Opuntia hybrid plants, although the BDD electrodes were several times more sensitive to bioelectric potential change compared to the other electrodes. Similarly for ground-planted trees, we found that both BDD and Pt electrodes detected bioelectric potential change induced by changing environmental factors (temperature and humidity) for months without replacing/removing/changing electrodes, BDD electrodes were 5–10 times more sensitive in this detection than Pt electrodes. Given these results, we conclude that BDD electrodes on live plant tissue were able to consistently detect bioelectrical potential changes in plants.
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41
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Asai K, Ivandini TA, Falah MM, Einaga Y. Surface Termination Effect of Boron-Doped Diamond on the Electrochemical Oxidation of Adenosine Phosphate. ELECTROANAL 2015. [DOI: 10.1002/elan.201500505] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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42
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Silva EL, Gouvêa CP, Quevedo MC, Neto MA, Archanjo BS, Fernandes AJS, Achete CA, Silva RF, Zheludkevich ML, Oliveira FJ. All-Diamond Microelectrodes as Solid State Probes for Localized Electrochemical Sensing. Anal Chem 2015; 87:6487-92. [DOI: 10.1021/acs.analchem.5b00756] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Eduardo L. Silva
- CICECO
− Aveiro Institute of Materials, Department of Materials and
Ceramic Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Cristol P. Gouvêa
- Materials
Metrology Division, INMETRO, 25250-020, Duque
de Caxias, Rio de Janeiro, Brazil
| | - Marcela C. Quevedo
- CICECO
− Aveiro Institute of Materials, Department of Materials and
Ceramic Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Miguel A. Neto
- CICECO
− Aveiro Institute of Materials, Department of Materials and
Ceramic Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Braulio S. Archanjo
- Materials
Metrology Division, INMETRO, 25250-020, Duque
de Caxias, Rio de Janeiro, Brazil
| | | | - Carlos A. Achete
- Materials
Metrology Division, INMETRO, 25250-020, Duque
de Caxias, Rio de Janeiro, Brazil
| | - Rui F. Silva
- CICECO
− Aveiro Institute of Materials, Department of Materials and
Ceramic Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Mikhail L. Zheludkevich
- CICECO
− Aveiro Institute of Materials, Department of Materials and
Ceramic Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
- MagIC, Institute
of Materials Research, Helmholtz-Zentrum Geesthacht, Max-Planck Str. 1, 21502 Geesthacht, Germany
| | - Filipe J. Oliveira
- CICECO
− Aveiro Institute of Materials, Department of Materials and
Ceramic Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
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43
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Fiser B, Jójárt B, Szőri M, Lendvay G, Csizmadia IG, Viskolcz B. Glutathione as a Prebiotic Answer to α-Peptide Based Life. J Phys Chem B 2015; 119:3940-7. [DOI: 10.1021/jp511582m] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Béla Fiser
- Department
of Chemical Informatics, Faculty of Education, University of Szeged, Boldogasszony sgt. 6, Szeged, Hungary-6725
- Department
of Organic Chemistry I, University of the Basque Country/UPV-EHU, Manuel de Lardizabal 3, Donostia-San Sebastián, Spain-20018
| | - Balázs Jójárt
- Department
of Chemical Informatics, Faculty of Education, University of Szeged, Boldogasszony sgt. 6, Szeged, Hungary-6725
| | - Milán Szőri
- Department
of Chemical Informatics, Faculty of Education, University of Szeged, Boldogasszony sgt. 6, Szeged, Hungary-6725
| | - György Lendvay
- Institute
for Materials and Environmental Chemistry, Research Center for Natural
Sciences, Hungarian Academy of Sciences, Magyar tudósok krt. 2, Budapest, Hungary-1117
| | - Imre G. Csizmadia
- Department
of Chemical Informatics, Faculty of Education, University of Szeged, Boldogasszony sgt. 6, Szeged, Hungary-6725
- Department
of Chemistry, University of Toronto, 80 St. George Str, Toronto, Ontario, Canada, M5S 3H6
| | - Béla Viskolcz
- Department
of Chemical Informatics, Faculty of Education, University of Szeged, Boldogasszony sgt. 6, Szeged, Hungary-6725
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44
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Oyobiki R, Kato T, Katayama M, Sugitani A, Watanabe T, Einaga Y, Matsumoto Y, Horisawa K, Doi N. Toward High-Throughput Screening of NAD(P)-Dependent Oxidoreductases Using Boron-Doped Diamond Microelectrodes and Microfluidic Devices. Anal Chem 2014; 86:9570-5. [DOI: 10.1021/ac501907x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ryo Oyobiki
- Department
of Biosciences and Informatics, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
| | - Taisuke Kato
- Department
of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
| | - Michinobu Katayama
- Department
of Applied Physics and Physico-Informatics, Keio University, 3-14-1
Hiyoshi, Yokohama 223-8522, Japan
| | - Ai Sugitani
- Department
of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
| | - Takeshi Watanabe
- Department
of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
| | - Yasuaki Einaga
- Department
of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
- JST CREST, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
| | - Yoshinori Matsumoto
- Department
of Applied Physics and Physico-Informatics, Keio University, 3-14-1
Hiyoshi, Yokohama 223-8522, Japan
| | - Kenichi Horisawa
- Department
of Biosciences and Informatics, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
| | - Nobuhide Doi
- Department
of Biosciences and Informatics, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
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45
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Zhang L, Wang J, Tian Y. Electrochemical in-vivo sensors using nanomaterials made from carbon species, noble metals, or semiconductors. Mikrochim Acta 2014. [DOI: 10.1007/s00604-014-1203-z] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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46
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Birbeck JA, Mathews TA. Simultaneous Detection of Monoamine and Purine Molecules Using High-Performance Liquid Chromatography with a Boron-Doped Diamond Electrode. Anal Chem 2013; 85:7398-404. [DOI: 10.1021/ac4013144] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Johnna A. Birbeck
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit,
Michigan 48202, United States
| | - Tiffany A. Mathews
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit,
Michigan 48202, United States
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47
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Ishii Y, Ivandini TA, Murata K, Einaga Y. Development of Electrolyte-Free Ozone Sensors Using Boron-Doped Diamond Electrodes. Anal Chem 2013; 85:4284-8. [DOI: 10.1021/ac400043b] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yuya Ishii
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522,
Japan
| | - Tribidasari A. Ivandini
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522,
Japan
- Department of Chemistry,
Faculty
of Mathematics and Science, University of Indonesia, Kampus UI Depok, Jakarta 16-424, Indonesia
| | - Kazutaka Murata
- Nikka Micron Co., Ltd., Waseda, Misato, Saitama 341-0018, Japan
| | - Yasuaki Einaga
- Department of Chemistry, Keio University, 3-14-1 Hiyoshi, Yokohama 223-8522,
Japan
- JST CREST, 3-14-1 Hiyoshi, Yokohama 223-8522, Japan
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