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Orzari LO, Silva LRGE, de Freitas RC, Brazaca LC, Janegitz BC. Lab-made disposable screen-printed electrochemical sensors and immunosensors modified with Pd nanoparticles for Parkinson's disease diagnostics. Mikrochim Acta 2024; 191:76. [PMID: 38172448 DOI: 10.1007/s00604-023-06158-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 12/15/2023] [Indexed: 01/05/2024]
Abstract
A new conductive ink based on the addition of carbon black to a poly(vinyl alcohol) matrix is developed and investigated for electrochemical sensing and biosensing applications. The produced devices were characterized using morphological and electrochemical techniques and modified with Pd nanoparticles to enhance electrical conductivity and reaction kinetics. With the aid of chemometrics, the parameters for metal deposition were investigated and the sensor was applied to the determination of Parkinson's disease biomarkers, specifically epinephrine and α-synuclein. A linear behavior was obtained in the range 0.75 to 100 μmol L-1 of the neurotransmitter, and the device displayed a limit of detection (LOD) of 0.051 μmol L-1. The three-electrode system was then tested using samples of synthetic cerebrospinal fluid. Afterward, the device was modified with specific antibodies to quantify α-synuclein using electrochemical impedance spectroscopy. In phosphate buffer, a linear range was obtained for α-synuclein concentrations from 1.5 to 15 μg mL-1, with a calculated LOD of 0.13 μg mL-1. The proposed immunosensor was also applied to blood serum samples, and, in this case, the linear range was observed from 6.0 to 100.5 μg mL-1 of α-synuclein, with a LOD = 1.3 µg mL-1. Both linear curves attend the range for the real diagnosis, demonstrating its potential application to complex matrices.
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Affiliation(s)
- Luiz Otávio Orzari
- Department of Nature Sciences, Mathematics and Education, Federal University of São Carlos, Araras, SP, 13600-970, Brazil
- Department of Physics, Chemistry and Mathematics, Federal University of São Carlos, Sorocaba, SP, 18052-780, Brazil
| | - Luiz Ricardo Guterres E Silva
- Department of Nature Sciences, Mathematics and Education, Federal University of São Carlos, Araras, SP, 13600-970, Brazil
- Department of Physics, Chemistry and Mathematics, Federal University of São Carlos, Sorocaba, SP, 18052-780, Brazil
| | - Rafaela Cristina de Freitas
- Department of Nature Sciences, Mathematics and Education, Federal University of São Carlos, Araras, SP, 13600-970, Brazil
- Department of Physics, Chemistry and Mathematics, Federal University of São Carlos, Sorocaba, SP, 18052-780, Brazil
| | - Laís Canniatti Brazaca
- São Carlos Institute of Chemistry, University of São Paulo, São Carlos, SP, 13566-590, Brazil
| | - Bruno Campos Janegitz
- Department of Nature Sciences, Mathematics and Education, Federal University of São Carlos, Araras, SP, 13600-970, Brazil.
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2
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Nestor L, De Bundel D, Vander Heyden Y, Smolders I, Van Eeckhaut A. Unravelling the brain metabolome: A review of liquid chromatography - mass spectrometry strategies for extracellular brain metabolomics. J Chromatogr A 2023; 1712:464479. [PMID: 37952387 DOI: 10.1016/j.chroma.2023.464479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 10/27/2023] [Accepted: 10/29/2023] [Indexed: 11/14/2023]
Abstract
The analysis of the brain extracellular metabolome is of interest for numerous subdomains within neuroscience. Not only does it provide information about normal physiological functions, it is even more of interest for biomarker discovery and target discovery in disease. The extracellular analysis of the brain is particularly interesting as it provides information about the release of mediators in the brain extracellular fluid to look at cellular signaling and metabolic pathways through the release, diffusion and re-uptake of neurochemicals. In vivo samples are obtained through microdialysis, cerebral open-flow microperfusion or solid-phase microextraction. The analytes of potential interest are typically low in concentration and can have a wide range of physicochemical properties. Liquid chromatography coupled to mass spectrometry has proven its usefulness in brain metabolomics. It allows sensitive and specific analysis of low sample volumes, obtained through different approaches. Several strategies for the analysis of the extracellular fluid have been proposed. The most widely used approaches apply sample derivatization, specific stationary phases and/or hydrophilic interaction liquid chromatography. Miniaturization of these methods allows an even higher sensitivity. The development of chiral metabolomics is indispensable, as it allows to compare the enantiomeric ratio of compounds and provides even more challenges. Some limitations continue to exist for the previously developed methods and the development of new, more sensitive methods remains needed. This review provides an overview of the methods developed for sampling and liquid chromatography-mass spectrometry analysis of the extracellular metabolome.
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Affiliation(s)
- Liam Nestor
- Research group Experimental Pharmacology (EFAR), Center for Neurosciences (C4N), Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, 1090 Brussels, Belgium
| | - Dimitri De Bundel
- Research group Experimental Pharmacology (EFAR), Center for Neurosciences (C4N), Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, 1090 Brussels, Belgium
| | - Yvan Vander Heyden
- Department of Analytical Chemistry, Applied Chemometrics and Molecular Modelling (FABI), Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, 1090 Brussels, Belgium
| | - Ilse Smolders
- Research group Experimental Pharmacology (EFAR), Center for Neurosciences (C4N), Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, 1090 Brussels, Belgium
| | - Ann Van Eeckhaut
- Research group Experimental Pharmacology (EFAR), Center for Neurosciences (C4N), Vrije Universiteit Brussel (VUB), Laarbeeklaan 103, 1090 Brussels, Belgium.
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3
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Zhao S, Li L. Chemical Isotope Labeling LC-MS for Metabolomics. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1280:1-18. [PMID: 33791971 DOI: 10.1007/978-3-030-51652-9_1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Due to the great diversity of chemical and physical properties of metabolites as well as a wide range of concentrations of metabolites present in metabolomic samples, performing comprehensive and quantitative metabolome analysis is a major analytical challenge. Conventional approach of combining various techniques and methods with each detecting a fraction of the metabolome can lead to the increase in overall metabolomic coverage. However, this approach requires extensive investment in equipment and analytical expertise with still relatively low coverage and low sample throughput. Chemical isotope labeling (CIL) liquid chromatography mass spectrometry (LC-MS) offers an alternative means of increasing metabolomic coverage while maintaining high quantification precision and accuracy. This chapter describes the CIL LC-MS method and its key features for metabolomic analysis.
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Affiliation(s)
- Shuang Zhao
- Department of Chemistry, University of Alberta, Edmonton, AB, Canada
| | - Liang Li
- Department of Chemistry, University of Alberta, Edmonton, AB, Canada.
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4
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Rusheen AE, Gee TA, Jang DP, Blaha CD, Bennet KE, Lee KH, Heien ML, Oh Y. Evaluation of electrochemical methods for tonic dopamine detection in vivo. Trends Analyt Chem 2020; 132:116049. [PMID: 33597790 PMCID: PMC7885180 DOI: 10.1016/j.trac.2020.116049] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Dysfunction in dopaminergic neuronal systems underlie a number of neurologic and psychiatric disorders such as Parkinson's disease, drug addiction, and schizophrenia. Dopamine systems communicate via two mechanisms, a fast "phasic" release (sub-second to second) that is related to salient stimuli and a slower "tonic" release (minutes to hours) that regulates receptor tone. Alterations in tonic levels are thought to be more critically important in enabling normal motor, cognitive, and motivational functions, and dysregulation in tonic dopamine levels are associated with neuropsychiatric disorders. Therefore, development of neurochemical recording techniques that enable rapid, selective, and quantitative measurements of changes in tonic extracellular levels are essential in determining the role of dopamine in both normal and disease states. Here, we review state-of-the-art advanced analytical techniques for in vivo detection of tonic levels, with special focus on electrochemical techniques for detection in humans.
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Affiliation(s)
- Aaron E. Rusheen
- Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, 55905, United States
- Medical Scientist Training Program, Mayo Clinic, Rochester, MN, 55905, United States
| | - Taylor A. Gee
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ, 85721, United States
| | - Dong P. Jang
- Department of Biomedical Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Charles D. Blaha
- Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, 55905, United States
| | - Kevin E. Bennet
- Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, 55905, United States
- Division of Engineering, Mayo Clinic, Rochester, MN, 55905, United States
| | - Kendall H. Lee
- Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, 55905, United States
- Department of Biomedical Engineering, Mayo Clinic, Rochester, MN, 55905, United States
| | - Michael L. Heien
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ, 85721, United States
| | - Yoonbae Oh
- Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, 55905, United States
- Department of Biomedical Engineering, Mayo Clinic, Rochester, MN, 55905, United States
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5
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Meng X, Bai H, Ma Q, Zhang P, Ma H, Deng Y. Broad targeted analysis of neurochemicals in rat serum using liquid chromatography tandem mass spectrometry with chemical derivatization. J Sep Sci 2020; 43:4006-4017. [PMID: 32866349 DOI: 10.1002/jssc.202000709] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 08/17/2020] [Accepted: 08/24/2020] [Indexed: 01/12/2023]
Abstract
In this study, an efficient and sensitive assay for the detection of 42 polar neurochemicals, including neurotransmitters, amino acids, and biogenic amines, was established by combining reversed-phase liquid chromatography tandem mass spectrometry with chemical derivatization. An optimally designed benzoyl chloride derivatization was easily conducted in a one-pot reaction and stable neurochemical derivatives were obtained under mild conditions within 5 min (except for acetylcholine and melatonin). Derivatization also enabled the introduction of heavy labeling of the analytes through the use of labeled derivatization agents. Chromatography separation was performed on an HSS T3 column within 15 min by gradient elution. Multiple reaction monitoring acquisition mode enabled quantitation of neurochemicals with limits of detection of 0.05 to 11.63 nM and lower limits of quantitation of 0.09 to 46.50 nM in rat serum. The assay was well validated in terms of linearity and extraction recovery. Furthermore, the instrumental precision, specificity, matrix effect, accuracy, precision, stability, dilution effect, and carry-over effect were also validated. Finally, the overall efficacy of the assay was experimentally tested using serum from six Sprague-Dawley rats. The results demonstrated that the developed method is effective for broad targeted analysis of 42 neurochemicals in serum.
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Affiliation(s)
- Xianshuang Meng
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, P. R. China.,Chinese Academy of Inspection and Quarantine, Beijing, 100176, P. R. China
| | - Hua Bai
- Chinese Academy of Inspection and Quarantine, Beijing, 100176, P. R. China
| | - Qiang Ma
- Chinese Academy of Inspection and Quarantine, Beijing, 100176, P. R. China
| | - Peng Zhang
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Hong Ma
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Yulin Deng
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, P. R. China
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6
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Carreño F, Helfer VE, Staudt KJ, Olivo LB, Barreto F, Herrmann AP, Rates SMK, Dalla Costa T. Quantification of neurotransmitters in microdialysate samples following quetiapine dosing to schizophrenia phenotyped rats using a validated LC-MS/MS method. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1155:122282. [DOI: 10.1016/j.jchromb.2020.122282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 06/12/2020] [Accepted: 07/23/2020] [Indexed: 12/11/2022]
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7
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Cui L, Yu S, Gao W, Zhang X, Deng S, Zhang CY. Tetraphenylenthene-Based Conjugated Microporous Polymer for Aggregation-Induced Electrochemiluminescence. ACS APPLIED MATERIALS & INTERFACES 2020; 12:7966-7973. [PMID: 31984727 DOI: 10.1021/acsami.9b21943] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We demonstrate the aggregation-induced electrochemiluminescence (AIECL) generated by 1,1,2,2-tetrakis(4-bromophenyl)ethane (TBPE)-based conjugated microporous polymers (TBPE-CMPs) and its biosensing application. We synthesized three TBPE-CMPs (i.e., TBPE-CMP-1, -2, -3) using three different molecules including tris(4-ethynylphenyl)amine (TEPA), 4,4'-diethynylbiphenyl (DEP), and 2,4,6-tris(4-ethynylphenyl)-1,3,5-triazine (TEPT). The TBPE-CMPs can act as electrochemiluminescence (ECL) emitters to generate AIECL. Among them, TBPE-CMP-1 exhibits the highest ECL efficiency (1.72%) due to the improved electron-hole recombination efficiency and efficient suppression of nonradiative transition. Moreover, the ECL properties of TBPE-CMPs can be tuned by the introduction of different conjugated molecules that can decrease the energy gap to facilitate the injection of an electron into the conjugated polymer backbone. Importantly, TBPE-CMP-1 can be used to construct an ECL sensor for the detection of dopamine, whose electro-oxidation products (e.g., leucodopaminechrome (LDC), dopaminechrome (DC), 5,6-dihydroxyindole (DHI), and 5,6-indolequinone (IDQ)) may function as energy acceptors to quench the ECL emission of TBPE-CMP-1. This ECL sensor exhibits high sensitivity and good anti-interference capability against ascorbic acid and uric acid.
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Affiliation(s)
- Lin Cui
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals , Shandong Normal University , Jinan 250014 , China
| | - Shilong Yu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals , Shandong Normal University , Jinan 250014 , China
| | - Wenqiang Gao
- School of Chemistry and Chemical Engineering , Shandong University , Jinan , Shandong 250100 , China
| | - Xiaomei Zhang
- School of Chemistry and Chemical Engineering , Shandong University , Jinan , Shandong 250100 , China
| | - Shengyuan Deng
- Key Laboratory of New Membrane Materials, Ministry of Industry and Information Technology, School of Environmental and Biological and Engineering , Nanjing University of Science and Technology , Nanjing 210094 , China
| | - Chun-Yang Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals , Shandong Normal University , Jinan 250014 , China
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8
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Lin Z, Wang H, Hu L, Li J, Lin J, Liu B, Zhao Z, Rao Y. Simultaneous determination of N-ethylpentylone, dopamine, 5-hydroxytryptamine and their metabolites in rat brain microdialysis by liquid chromatography tandem mass spectrometry. Biomed Chromatogr 2019; 33:e4626. [PMID: 31222753 DOI: 10.1002/bmc.4626] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 06/03/2019] [Accepted: 06/12/2019] [Indexed: 11/10/2022]
Abstract
N-Ethylpentylone (NEP) is a popular synthetic cathinone abused worldwide. To obtain more information about its pharmacokinetics and pharmacodynamics, a rapid, simple and sensitive liquid chromatography-tandem mass spectrometry method was developed for the determination of NEP, two important neurotransmitters, dopamine and serotonin, and their metabolites, including 3,4-dihydroxyphenylacetic acid, 3-methoxytyramine and 5-hydroxyindole-3-acetic acid, in rat brain microdialysate. The analytes were separated on a Phnomenex Polar C18 column, with a mobile phase of 0.1% formic acid in water (A) and 0.1% formic acid in acetonitrile (B) under gradient elution to shorten the total chromatographic run time. A triple quadruple mass spectrometer coupled with an electrospray ionization source in both positive and negative ion mode was used to detect the analytes. This method showed excellent accuracy (87.4-113.5%) and precision (relative standard deviation <15%) at three quality control levels. The limits of detection were 0.2 ng/mL for NEP and 0.2-50 nm for the others and good linearity was obtained. This study pioneered a method to integrate exogenous drugs and endogenous neurotransmitters as the drugs act on the same determination system, which means that this innovation can provide support for further study of the addictive effects of NEP or other synthetic cathinones on extracellular levels of dopamine and 5-hydroxytryptamine.
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Affiliation(s)
- Zebin Lin
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, P.R. China
| | - Hao Wang
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, P.R. China
| | - Luyuyan Hu
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, P.R. China
| | - Jiaolun Li
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, P.R. China
| | - Junyi Lin
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, P.R. China
| | - Baonian Liu
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, P.R. China
| | - Ziqin Zhao
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, P.R. China
| | - Yulan Rao
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, P.R. China
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9
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Jung J, Jeong K, Choi Y, Kim SA, Kim H, Lee JW, Kim VN, Kim KP, Kim JS. Deuterium-Free, Three-Plexed Peptide Diethylation for Highly Accurate Quantitative Proteomics. J Proteome Res 2019; 18:1078-1087. [PMID: 30638020 DOI: 10.1021/acs.jproteome.8b00775] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The deuterium, a frequently used stable isotope in isotopic labeling for quantitative proteomics, could deteriorate the accuracy and precision of proteome quantification owing to the retention time shift of deuterated peptides from the hydrogenated counterpart. We introduce a novel three-plexed peptide "diethylation" using only 13C isotopologues of acetaldehyde and demonstrate that the accuracy and precision of our method in proteome quantification are significantly superior to the conventional deuterium-based dimethylation labeling in both a single-shot and multidimensional LC-MS/MS analysis of the HeLa proteome. Furthermore, in time-resolved profiling of Xenopus laevis early embryogenesis, our 3-plexed diethylation outperformed isobaric labeling approaches in terms of the quantification accuracy or the number of protein identifications, generating more than two times more differentially expressed proteins. Our cost-effective and highly accurate 3-plexed diethylation method could contribute to various types of quantitative proteomics applications in which three of multiplexity would be sufficient.
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Affiliation(s)
- Jaehun Jung
- Department of Applied Chemistry, College of Applied Science , Kyung Hee University , Yongin 17104 , Korea
| | - Kyowon Jeong
- Center for RNA Research , Institute for Basic Science (IBS) , Seoul 08826 , Korea.,School of Biological Sciences , Seoul National University , Seoul 08826 , Korea
| | - Yeon Choi
- Center for RNA Research , Institute for Basic Science (IBS) , Seoul 08826 , Korea.,School of Biological Sciences , Seoul National University , Seoul 08826 , Korea
| | - Sun Ah Kim
- Center for RNA Research , Institute for Basic Science (IBS) , Seoul 08826 , Korea.,School of Biological Sciences , Seoul National University , Seoul 08826 , Korea
| | - Hyunjoon Kim
- Center for RNA Research , Institute for Basic Science (IBS) , Seoul 08826 , Korea.,School of Biological Sciences , Seoul National University , Seoul 08826 , Korea
| | - Joon Won Lee
- Department of Applied Chemistry, College of Applied Science , Kyung Hee University , Yongin 17104 , Korea
| | - V Narry Kim
- Center for RNA Research , Institute for Basic Science (IBS) , Seoul 08826 , Korea.,School of Biological Sciences , Seoul National University , Seoul 08826 , Korea
| | - Kwang Pyo Kim
- Department of Applied Chemistry, College of Applied Science , Kyung Hee University , Yongin 17104 , Korea
| | - Jong-Seo Kim
- Center for RNA Research , Institute for Basic Science (IBS) , Seoul 08826 , Korea.,School of Biological Sciences , Seoul National University , Seoul 08826 , Korea
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10
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Liu Z, Zhou F, Wu J, Yao Y, Guo Y, Liao X, Gao F, Qian Y. Dual molecular recognition strategy for highly sensitive electrochemical detection of dopamine based on amplification of DNA–Au bio–bar codes. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.06.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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11
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Yao J, Lu H, Wang Z, Wang T, Fang F, Wang J, Yu J, Gao R. A sensitive method for the determination of the gender difference of neuroactive metabolites in tryptophan and dopamine pathways in mouse serum and brain by UHPLC-MS/MS. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1093-1094:91-99. [PMID: 30005419 DOI: 10.1016/j.jchromb.2018.06.054] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 06/20/2018] [Accepted: 06/24/2018] [Indexed: 12/21/2022]
Abstract
Tryptophan (TRP) and dopamine (DA) pathways are of great importance for their related pathology and physiology. In the present study, a new reliable and sensitive analytical method was developed and validated for 12 neuroactive metabolites in TRP and DA pathways in mouse serum and brain by ultra-high-performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS/MS). The method exhibited good sensitivity as the lower limit of detections ranged from 0.10 to 0.50 ng/ml and the lower limit of quantifications ranged from 0.20 to 2.00 ng/ml by derivatization with dansyl chloride (DNS-Cl) following solid phase extraction (SPE) on C18 cartridges. Good linearity (R2 > 0.99), intra-day precision (<9.8% in serum and <8.8% in brain), inter-day precision (<8.9% in serum and <8.5% in brain) and accuracy (90.3%-110.3% in serum and 86.5%-114.0% in brain) were obtained. The method was successfully applied in measuring 12 neuroactive metabolites in TRP and DA pathways in serum and brain samples of male and female mice to explore the differences between genders. As a result, DA and the turnover of DA to 3,4-dihydroxyphenylacetic acid (DOPAC), 5-hydroxtryptamine (5-HT) to TRP and 5-hydroxyindole acetic acid (5-HIAA) to 5-HT in the serum and norepinephrine (NE) in the brain were significantly different between genders.
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Affiliation(s)
- Jiaxi Yao
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, No. 101 Longmian Avenue, Nanjing 211166, China
| | - Haihua Lu
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, No. 101 Longmian Avenue, Nanjing 211166, China
| | - Zhonghe Wang
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, No. 101 Longmian Avenue, Nanjing 211166, China
| | - Tingwei Wang
- Department of Toxicology, Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, No. 101 Longmian Avenue, Nanjing 211166, China
| | - Fangfang Fang
- Department of Toxicology, Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, No. 101 Longmian Avenue, Nanjing 211166, China
| | - Jun Wang
- Department of Toxicology, Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, No. 101 Longmian Avenue, Nanjing 211166, China
| | - Jing Yu
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, No. 101 Longmian Avenue, Nanjing 211166, China.
| | - Rong Gao
- Department of Hygienic Analysis and Detection, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, No. 101 Longmian Avenue, Nanjing 211166, China.
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12
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Han X, Min M, Wang J, Bao Z, Fan H, Li X, Adelusi TI, Zhou X, Yin X. Quantitative profiling of neurotransmitter abnormalities in brain, cerebrospinal fluid, and serum of experimental diabetic encephalopathy male rat. J Neurosci Res 2017; 96:138-150. [DOI: 10.1002/jnr.24098] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 05/14/2017] [Accepted: 05/16/2017] [Indexed: 01/16/2023]
Affiliation(s)
- Xiaowen Han
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University; Xuzhou China
| | - Mengjun Min
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University; Xuzhou China
| | - Juan Wang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University; Xuzhou China
| | - Zejun Bao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University; Xuzhou China
| | - Hongbin Fan
- Department of Neurology; Affiliated Hospital of Xuzhou Medical University; Xuzhou China
| | - Xinyu Li
- Department of Neurology; Affiliated Hospital of Xuzhou Medical University; Xuzhou China
| | - Temitope Isaac Adelusi
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University; Xuzhou China
| | - Xueyan Zhou
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University; Xuzhou China
| | - Xiaoxing Yin
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy; Jiangsu Center for the Collaboration and Innovation of Cancer Biotherapy, Xuzhou Medical University; Xuzhou China
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13
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Ellis AG, Zeglinski PT, Coleman KE, Whiting MJ. Dilute, derivatise and shoot: Measurement of urinary free metanephrines and catecholamines as ethyl derivatives by LC-MSMS. CLINICAL MASS SPECTROMETRY 2017. [DOI: 10.1016/j.clinms.2017.08.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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14
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Rajamanikandan R, Ilanchelian M. Highly selective and sensitive biosensing of dopamine based on glutathione coated silver nanoclusters enhanced fluorescence. NEW J CHEM 2017. [DOI: 10.1039/c7nj03170j] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The emission intensity of red emissive GSH-AgNCs is notably enhanced after the addition of dopamine. The increasing emission intensity is attributed to the hydrogen bonding interaction between the carboxyl groups of GSH-AgNCs and amino groups of dopamine.
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15
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Wei N, Zhao XE, Zhu S, He Y, Zheng L, Chen G, You J, Liu S, Liu Z. Determination of dopamine, serotonin, biosynthesis precursors and metabolites in rat brain microdialysates by ultrasonic-assisted in situ derivatization–dispersive liquid–liquid microextraction coupled with UHPLC-MS/MS. Talanta 2016; 161:253-264. [DOI: 10.1016/j.talanta.2016.08.036] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 07/30/2016] [Accepted: 08/16/2016] [Indexed: 12/20/2022]
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16
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Ding M, Huang Y, Guo T, Sun LP, Guan BO. Mesoporous nanospheres functionalized optical microfiber biosensor for low concentration neurotransmitter detection. OPTICS EXPRESS 2016; 24:27152-27159. [PMID: 27906289 DOI: 10.1364/oe.24.027152] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A label-free and ultrasensitive microfiber interferometer biosensor has been demonstrated for detection of neurotransmitter molecule (5-HT). The surface morphology of the silicon dioxide nanospheres acting as molecule sieve provides an effective mean of gathering 5-HT molecules by designed mesoporous structure. The slight concentration change of 5-HT molecules is translated into a dramatic wavelength shift of the interferometric fringe pattern. The experimental results show that the biosensor has a linear response in concentration range from 100 fM to 1 µM and a detection limit as low as 84 fM.
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17
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Oh Y, Park C, Kim DH, Shin H, Kang YM, DeWaele M, Lee J, Min HK, Blaha CD, Bennet KE, Kim IY, Lee KH, Jang DP. Monitoring In Vivo Changes in Tonic Extracellular Dopamine Level by Charge-Balancing Multiple Waveform Fast-Scan Cyclic Voltammetry. Anal Chem 2016; 88:10962-10970. [PMID: 27774784 DOI: 10.1021/acs.analchem.6b02605] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Dopamine (DA) modulates central neuronal activity through both phasic (second to second) and tonic (minutes to hours) terminal release. Conventional fast-scan cyclic voltammetry (FSCV), in combination with carbon fiber microelectrodes, has been used to measure phasic DA release in vivo by adopting a background subtraction procedure to remove background capacitive currents. However, measuring tonic changes in DA concentrations using conventional FSCV has been difficult because background capacitive currents are inherently unstable over long recording periods. To measure tonic changes in DA concentrations over several hours, we applied a novel charge-balancing multiple waveform FSCV (CBM-FSCV), combined with a dual background subtraction technique, to minimize temporal variations in background capacitive currents. Using this method, in vitro, charge variations from a reference time point were nearly zero for 48 h, whereas with conventional background subtraction, charge variations progressively increased. CBM-FSCV also demonstrated a high selectivity against 3,4-dihydroxyphenylacetic acid and ascorbic acid, two major chemical interferents in the brain, yielding a sensitivity of 85.40 ± 14.30 nA/μM and limit of detection of 5.8 ± 0.9 nM for DA while maintaining selectivity. Recorded in vivo by CBM-FSCV, pharmacological inhibition of DA reuptake (nomifensine) resulted in a 235 ± 60 nM increase in tonic extracellular DA concentrations, while inhibition of DA synthesis (α-methyl-dl-tyrosine) resulted in a 72.5 ± 4.8 nM decrease in DA concentrations over a 2 h period. This study showed that CBM-FSCV may serve as a unique voltammetric technique to monitor relatively slow changes in tonic extracellular DA concentrations in vivo over a prolonged time period.
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Affiliation(s)
- Yoonbae Oh
- Department of Biomedical Engineering, Hanyang University , Seoul 04763, Korea
| | - Cheonho Park
- Department of Biomedical Engineering, Hanyang University , Seoul 04763, Korea
| | - Do Hyoung Kim
- ybrain, Pangyo Digital Center C-dong , 242 Pangyo-ro, Seongnam, Gyeonggi-do 13487, Korea
| | - Hojin Shin
- Department of Biomedical Engineering, Hanyang University , Seoul 04763, Korea
| | - Yu Min Kang
- Department of Biomedical Engineering, Hanyang University , Seoul 04763, Korea
| | - Mark DeWaele
- Department of Biomedical Engineering, Hanyang University , Seoul 04763, Korea
| | - Jeyeon Lee
- Department of Biomedical Engineering, Hanyang University , Seoul 04763, Korea
| | - Hoon-Ki Min
- Department of Neurologic Surgery, Mayo Clinic , Rochester, Minnesota 55905, United States.,Department of Physiology and Biomedical Engineering, Mayo Clinic , Rochester, Minnesota 55905, United States
| | - Charles D Blaha
- Department of Neurologic Surgery, Mayo Clinic , Rochester, Minnesota 55905, United States
| | - Kevin E Bennet
- Department of Neurologic Surgery, Mayo Clinic , Rochester, Minnesota 55905, United States.,Division of Engineering, Mayo Clinic , Rochester, Minnesota 55901, United States
| | - In Young Kim
- Department of Biomedical Engineering, Hanyang University , Seoul 04763, Korea
| | - Kendall H Lee
- Department of Neurologic Surgery, Mayo Clinic , Rochester, Minnesota 55905, United States.,Department of Physiology and Biomedical Engineering, Mayo Clinic , Rochester, Minnesota 55905, United States
| | - Dong Pyo Jang
- Department of Biomedical Engineering, Hanyang University , Seoul 04763, Korea
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Alhendal A, Mengis S, Matthews J, Malik A. Nonhydrolytic sol-gel approach to facile creation of surface-bonded zirconia organic-inorganic hybrid coatings for sample preparation. Ι. Capillary microextraction of catecholamine neurotransmitters. J Chromatogr A 2016; 1468:23-32. [DOI: 10.1016/j.chroma.2016.09.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 09/12/2016] [Accepted: 09/19/2016] [Indexed: 10/21/2022]
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19
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Van Schoors J, Viaene J, Van Wanseele Y, Smolders I, Dejaegher B, Vander Heyden Y, Van Eeckhaut A. An improved microbore UHPLC method with electrochemical detection for the simultaneous determination of low monoamine levels in in vivo brain microdialysis samples. J Pharm Biomed Anal 2016; 127:136-46. [DOI: 10.1016/j.jpba.2016.01.015] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 12/19/2015] [Accepted: 01/07/2016] [Indexed: 12/26/2022]
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20
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He Y, Zhao XE, Zhu S, Wei N, Sun J, Zhou Y, Liu S, Liu Z, Chen G, Suo Y, You J. In situ derivatization-ultrasound-assisted dispersive liquid-liquid microextraction for the determination of neurotransmitters in Parkinson's rat brain microdialysates by ultra high performance liquid chromatography-tandem mass spectrometry. J Chromatogr A 2016; 1458:70-81. [PMID: 27372412 DOI: 10.1016/j.chroma.2016.06.059] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 05/29/2016] [Accepted: 06/17/2016] [Indexed: 02/06/2023]
Abstract
Simultaneous monitoring of several neurotransmitters (NTs) linked to Parkinson's disease (PD) has important scientific significance for PD related pathology, pharmacology and drug screening. A new simple, fast and sensitive analytical method, based on in situ derivatization-ultrasound-assisted dispersive liquid-liquid microextraction (in situ DUADLLME) in a single step, has been proposed for the quantitative determination of catecholamines and their biosynthesis precursors and metabolites in rat brain microdialysates. The method involved the rapid injection of the mixture of low toxic bromobenzene (extractant) and acetonitrile (dispersant), which containing commercial Lissamine rhodamine B sulfonyl chloride (LRSC) as derivatization reagent, into the aqueous phase of sample and buffer, and the following in situ DUADLLME procedure. After centrifugation, 50μL of the sedimented phase (bromobenzene) was directly injected for ultra high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) detection in multiple reaction monitoring (MRM) mode. This interesting combination brought the advantages of speediness, simpleness, low matrix effects and high sensitivity in an effective way. Parameters of in situ DUADLLME and UHPLC-MS/MS conditions were all optimized in detail. The optimum conditions of in situ DUADLLME were found to be 30μL of microdialysates, 150μL of acetonitrile containing LRSC, 50μL of bromobenzene and 800μL of NaHCO3-Na2CO3 buffer (pH 10.5) for 3.0min at 37°C. Under the optimized conditions, good linearity was observed with LODs (S/N>3) and LOQs (S/N>10) of LRSC derivatized-NTs in the range of 0.002-0.004 and 0.007-0.015 nmol/L, respectively. It also brought good precision (3.2-12.8%, peak area CVs%), accuracy (94.2-108.6%), recovery (94.5-105.5%) and stability (3.8-8.1%, peak area CVs%) results. Moreover, LRSC derivatization significantly improved chromatographic resolution and MS detection sensitivity of NTs when compared with the reported studies through the introduction of a permanent charged moiety from LRSC into NTs. Taken together, this in situ DUADLLME method was successfully applied for the simultaneous determination of six NTs in biological samples.
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Affiliation(s)
- Yongrui He
- Shandong Provincial Key Laboratory of Life-Organic Analysis & Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, PR China
| | - Xian-En Zhao
- Shandong Provincial Key Laboratory of Life-Organic Analysis & Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, PR China.
| | - Shuyun Zhu
- Shandong Provincial Key Laboratory of Life-Organic Analysis & Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, PR China
| | - Na Wei
- Shandong Provincial Key Laboratory of Life-Organic Analysis & Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, PR China
| | - Jing Sun
- Qinghai Key Laboratory of Qinghai-Tibet Plateau Biological Resources & Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Science, Xining 810001, Qinghai, PR China
| | - Yubi Zhou
- Qinghai Key Laboratory of Qinghai-Tibet Plateau Biological Resources & Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Science, Xining 810001, Qinghai, PR China
| | - Shu Liu
- National Center for Mass Spectrometry in Changchun & Key Laboratory for Traditional Chinese Medicine Chemistry and Mass Spectrometry of Jilin Province, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, PR China
| | - Zhiqiang Liu
- National Center for Mass Spectrometry in Changchun & Key Laboratory for Traditional Chinese Medicine Chemistry and Mass Spectrometry of Jilin Province, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, PR China.
| | - Guang Chen
- Shandong Provincial Key Laboratory of Life-Organic Analysis & Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, PR China
| | - Yourui Suo
- Qinghai Key Laboratory of Qinghai-Tibet Plateau Biological Resources & Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Science, Xining 810001, Qinghai, PR China
| | - Jinmao You
- Shandong Provincial Key Laboratory of Life-Organic Analysis & Key Laboratory of Pharmaceutical Intermediates and Analysis of Natural Medicine, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, PR China; Qinghai Key Laboratory of Qinghai-Tibet Plateau Biological Resources & Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Science, Xining 810001, Qinghai, PR China.
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Parent A, Tétreault P, Roux M, Belleville K, Longpré JM, Beaudet N, Goffaux P, Sarret P. Descending nociceptive inhibition is modulated in a time-dependent manner in a double-hit model of chronic/tonic pain. Neuroscience 2016; 315:70-8. [DOI: 10.1016/j.neuroscience.2015.11.065] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Revised: 11/29/2015] [Accepted: 11/30/2015] [Indexed: 10/22/2022]
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Zhang D, Wu L, Chow DSL, Tam VH, Rios DR. Quantitative determination of dopamine in human plasma by a highly sensitive LC–MS/MS assay: Application in preterm neonates. J Pharm Biomed Anal 2016; 117:227-31. [DOI: 10.1016/j.jpba.2015.09.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Revised: 08/17/2015] [Accepted: 09/01/2015] [Indexed: 01/04/2023]
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23
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HAYAMA T. Development of Analytical Methods Utilizing Selectivity of Fluorous Affinity and Their Applications. CHROMATOGRAPHY 2016. [DOI: 10.15583/jpchrom.2015.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Schumacher F, Chakraborty S, Kleuser B, Gulbins E, Schwerdtle T, Aschner M, Bornhorst J. Highly sensitive isotope-dilution liquid-chromatography-electrospray ionization-tandem-mass spectrometry approach to study the drug-mediated modulation of dopamine and serotonin levels in Caenorhabditis elegans. Talanta 2015; 144:71-9. [PMID: 26452793 PMCID: PMC4600537 DOI: 10.1016/j.talanta.2015.05.057] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Revised: 05/20/2015] [Accepted: 05/23/2015] [Indexed: 01/11/2023]
Abstract
Dopamine (DA) and serotonin (SRT) are monoamine neurotransmitters that play a key role in regulating the central and peripheral nervous system. Their impaired metabolism has been implicated in several neurological disorders, such as Parkinson's disease and depression. Consequently, it is imperative to monitor changes in levels of these low-abundant neurotransmitters and their role in mediating disease. For the first time, a rapid, specific and sensitive isotope-dilution liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed and validated for the quantification of DA and SRT in the nematode Caenorhabditis elegans (C. elegans). This model organism offers a unique approach for studying the effect of various drugs and environmental conditions on neurotransmitter levels, given by the conserved DA and SRT biology, including synaptic release, trafficking and formation. We introduce a novel sample preparation protocol incorporating the usage of sodium thiosulfate in perchloric acid as extraction medium that assures high recovery of the relatively unstable neurotransmitters monitored. Moreover, the use of both deuterated internal standards and the multiple reaction monitoring (MRM) technique allows for unequivocal quantification. Thereby, to the best of our knowledge, we achieve a detection sensitivity that clearly exceeds those of published DA and SRT quantification methods in various matrices. We are the first to show that exposure of C. elegans to the monoamine oxidase B (MAO-B) inhibitor selegiline or the catechol-O-methyltransferase (COMT) inhibitor tolcapone, in order to block DA and SRT degradation, resulted in accumulation of the respective neurotransmitter. Assessment of a behavioral output of the dopaminergic system (basal slowing response) corroborated the analytical LC-MS/MS data. Thus, utilization of the C. elegans model system in conjunction with our analytical method is well-suited to investigate drug-mediated modulation of the DA and SRT system in order to identify compounds with neuroprotective or regenerative properties.
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Affiliation(s)
- Fabian Schumacher
- Department of Toxicology, Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany; Department of Molecular Biology, University of Duisburg-Essen, Hufelandstraße 55, 45147 Essen, Germany
| | - Sudipta Chakraborty
- Neuroscience Graduate Program, Vanderbilt University Medical Center, Nashville, TN, USA; Department of Molecular Pharmacology, Neuroscience, and Pediatrics, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Burkhard Kleuser
- Department of Toxicology, Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany
| | - Erich Gulbins
- Department of Molecular Biology, University of Duisburg-Essen, Hufelandstraße 55, 45147 Essen, Germany
| | - Tanja Schwerdtle
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany
| | - Michael Aschner
- Department of Molecular Pharmacology, Neuroscience, and Pediatrics, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Julia Bornhorst
- Department of Food Chemistry, Institute of Nutritional Science, University of Potsdam, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany.
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A validated LC–MS/MS method for neurotransmitter metabolite analysis in human cerebrospinal fluid using benzoyl chloride derivatization. Bioanalysis 2015; 7:2461-75. [DOI: 10.4155/bio.15.170] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background: Human cerebrospinal fluid (CSF) is often acquired in Phase I clinical trials to assess the CNS penetration of new pharmacological agents and to search for biomarkers associated with PD effects. Robust methods for neurotransmitter metabolites in CSF have proven elusive, in part due to inadequate reversed phase LC retention. Results: Benzoyl chloride derivatization was used to promote retention for LC–MS/MS for a panel of neurotransmitter metabolites while delivering a concise method for sample preparation. Conclusion: A validated assay in human CSF was obtained for 3,4-dihydroxyphenylacetic acid, homovanillic acid, 3,4-dihydroxyphenylglycol and 5-hydroxyindoleacetic acid. This method is differentiated from other LC–MS/MS methods by delivering results in line with full regulatory expectations.
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Sakaguchi Y, Ikenaga J, Yoshida H, Hayama T, Itoyama M, Todoroki K, Imakyure O, Yamaguchi M, Nohta H. Selective and sensitive liquid chromatographic determination method of 5-hydroxyindoles with fluorous and fluorogenic derivatization. J Pharm Biomed Anal 2015; 114:348-54. [DOI: 10.1016/j.jpba.2015.06.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Revised: 06/01/2015] [Accepted: 06/03/2015] [Indexed: 10/23/2022]
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27
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Wagner M, Ohlund LB, Shiao TC, Vézina A, Annabi B, Roy R, Sleno L. Isotope-labeled differential profiling of metabolites using N-benzoyloxysuccinimide derivatization coupled to liquid chromatography/high-resolution tandem mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2015; 29:1632-1640. [PMID: 26467115 DOI: 10.1002/rcm.7264] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Revised: 06/15/2015] [Accepted: 06/21/2015] [Indexed: 06/05/2023]
Abstract
RATIONALE An isotopic labeling strategy based on derivatizing amine-containing metabolites has been developed using light ((12) C6 ) and heavy ((13) C6 ) N-benzoyloxysuccinimide reagents for semi-targeted metabolomic applications. METHODS Differentially labeled samples were combined and analyzed simultaneously by liquid chromatography/high-resolution tandem mass spectrometry (LC/HR-MS/MS) to compare relative amounts of amine-containing metabolites. The selectivity of the reaction was determined with model metabolites and was shown to also be applicable to thiol and phenol moieties. The potential for relative quantitation was evaluated in cell extracts and the method was then applied to quantify metabolic perturbations occurring in human cultured cells under normal vs. oxidative stress conditions. RESULTS A total of 279 derivatized features were detected in HL60 cell extracts, 77 of which yielded significant concentration changes upon oxidative stress treatment. Based on accurate mass measurements and MS/MS spectral matching with reference standard solutions, 10 metabolites were clearly identified. Derivatized compounds were found to have diagnostic fragment ions from the reagent itself, as well as structurally informative ions useful for metabolite identification. CONCLUSIONS This simple derivatization reaction can be applied to the relative quantitation of amine-, thiol- and phenol-containing compounds, with improved sensitivity and chromatographic peak shapes due to the increased hydrophobicity of polar metabolites not readily amenable to reversed-phase LC/MS analysis.
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Affiliation(s)
- Michel Wagner
- Université du Québec à Montréal, Chemistry Department/Pharmaqam, Montréal, QC, Canada
| | - Leanne B Ohlund
- Université du Québec à Montréal, Chemistry Department/Pharmaqam, Montréal, QC, Canada
| | - Tze Chieh Shiao
- Université du Québec à Montréal, Chemistry Department/Pharmaqam, Montréal, QC, Canada
| | - Amélie Vézina
- Université du Québec à Montréal, Chemistry Department/Pharmaqam, Montréal, QC, Canada
| | - Borhane Annabi
- Université du Québec à Montréal, Chemistry Department/Pharmaqam, Montréal, QC, Canada
| | - René Roy
- Université du Québec à Montréal, Chemistry Department/Pharmaqam, Montréal, QC, Canada
| | - Lekha Sleno
- Université du Québec à Montréal, Chemistry Department/Pharmaqam, Montréal, QC, Canada
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Schnell A, Sandrelli F, Ranc V, Ripperger JA, Brai E, Alberi L, Rainer G, Albrecht U. Mice lacking circadian clock components display different mood-related behaviors and do not respond uniformly to chronic lithium treatment. Chronobiol Int 2015; 32:1075-89. [PMID: 26317159 DOI: 10.3109/07420528.2015.1062024] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Genomic studies suggest an association of circadian clock genes with bipolar disorder (BD) and lithium response in humans. Therefore, we tested mice mutant in various clock genes before and after lithium treatment in the forced swim test (FST), a rodent behavioral test used for evaluation of depressive-like states. We find that expression of circadian clock components, including Per2, Cry1 and Rev-erbα, is affected by lithium treatment, and thus, these clock components may contribute to the beneficial effects of lithium therapy. In particular, we observed that Cry1 is important at specific times of the day to transmit lithium-mediated effects. Interestingly, the pathways involving Per2 and Cry1, which regulate the behavior in the FST and the response to lithium, are distinct as evidenced by the phosphorylation of GSK3β after lithium treatment and the modulation of dopamine levels in the striatum. Furthermore, we observed the co-existence of depressive and mania-like symptoms in Cry1 knock-out mice, which resembles the so-called mixed state seen in BD patients. Taken together our results strengthen the concept that a defective circadian timing system may impact directly or indirectly on mood-related behaviors.
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Affiliation(s)
- Anna Schnell
- a Department of Biology, Unit of Biochemistry , University of Fribourg , Fribourg , Switzerland
| | - Federica Sandrelli
- a Department of Biology, Unit of Biochemistry , University of Fribourg , Fribourg , Switzerland .,b Department of Biology , University of Padova , Padova , Italy
| | - Vaclav Ranc
- c Department of Medicine , Unit of Physiology, University of Fribourg , Fribourg , Switzerland , and
| | - Jürgen A Ripperger
- a Department of Biology, Unit of Biochemistry , University of Fribourg , Fribourg , Switzerland
| | - Emanuele Brai
- d Department of Medicine , Unit of Anatomy, University of Fribourg , Fribourg , Switzerland
| | - Lavinia Alberi
- d Department of Medicine , Unit of Anatomy, University of Fribourg , Fribourg , Switzerland
| | - Gregor Rainer
- c Department of Medicine , Unit of Physiology, University of Fribourg , Fribourg , Switzerland , and
| | - Urs Albrecht
- a Department of Biology, Unit of Biochemistry , University of Fribourg , Fribourg , Switzerland
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Van Schoors J, Lens C, Maes K, Michotte Y, Smolders I, Van Eeckhaut A. Reassessment of the antioxidative mixture for the challenging electrochemical determination of dopamine, noradrenaline and serotonin in microdialysis samples. J Chromatogr B Analyt Technol Biomed Life Sci 2015; 998-999:63-71. [DOI: 10.1016/j.jchromb.2015.06.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Revised: 05/18/2015] [Accepted: 06/12/2015] [Indexed: 10/23/2022]
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Gu H, Varner EL, Groskreutz SR, Michael AC, Weber SG. In Vivo Monitoring of Dopamine by Microdialysis with 1 min Temporal Resolution Using Online Capillary Liquid Chromatography with Electrochemical Detection. Anal Chem 2015; 87:6088-94. [PMID: 25970591 PMCID: PMC4835028 DOI: 10.1021/acs.analchem.5b00633] [Citation(s) in RCA: 78] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Microdialysis is often applied to understanding brain function. Because neurotransmission involves rapid events, increasing the temporal resolution of in vivo measurements is desirable. Here, we demonstrate microdialysis with online capillary liquid chromatography for the analysis of 1 min rat brain dialysate samples at 1 min intervals. Mobile phase optimization involved adjusting the pH, buffer composition, and surfactant concentration to eliminate interferences with the dopamine peak. By analyzing electrically evoked dopamine transients carefully synchronized with the switching of the online LC sample valve, we demonstrate that our system has both 1 min sampling capabilities and bona fide 1 min temporal resolution. Evoked DA transients were confined to single, 1 min brain dialysate samples. After uptake inhibition with nomifensine (20 mg/kg i.p.), responses to electrical stimuli of 1 s duration were detected.
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Affiliation(s)
- Hui Gu
- #Department of Chemistry, East China Normal University, Shanghai 200062, PRC
| | - Erika L Varner
- †Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Stephen R Groskreutz
- †Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Adrian C Michael
- †Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Stephen G Weber
- †Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
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Zhao XE, Zhu S, Yang H, You J, Song F, Liu Z, Liu S. Simultaneous determination of amino acid and monoamine neurotransmitters in PC12 cells and rats models of Parkinson's disease using a sensitizing derivatization reagent by UHPLC-MS/MS. J Chromatogr B Analyt Technol Biomed Life Sci 2015; 995-996:15-23. [PMID: 26021847 DOI: 10.1016/j.jchromb.2015.05.017] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2014] [Revised: 05/04/2015] [Accepted: 05/14/2015] [Indexed: 11/27/2022]
Abstract
Multi-analytes simultaneous monitoring of amino acid and monoamine neurotransmitters (NTs) has important scientific significance for their related pathology, physiology and drug screening. In this work, in virtue of a mass spectrometry sensitizing reagent 10-ethyl-acridone-3-sulfonyl chloride (EASC) as derivatization reagent, an Ultra High Performance Liquid Chromatography-Tandem Mass Spectrometry (UHPLC-MS/MS) method was developed and validated for simultaneous determination of six amino acid NTs, two monoamine ones and its one metabolite. The simple and rapid derivatization reaction was innovatively combined with plasma preparation by using EASC acetonitrile solution as protein precipitant. This interesting combination brought the advantages of speediness, simpleness and high-throughput in a cost-effective way. Under the optimized conditions, LODs (0.004-3.80nM) and LOQs (0.014-13.3nM) of EASC derivatized-NTs were calculated and found to be significantly lower than those of direct UHPLC-MS/MS detection about 11.5-275.0 and 14.4-371.4 times, respectively. Moreover, EASC derivatization significantly improved chromatographic resolution and matrix effect when compared with direct UPLC-MS/MS detection method without derivatization. Meanwhile, it also brought acceptable precision (3.0-13.0%, peak area CVs%), accuracy (86.4-112.9%), recovery (88.3-107.8%) and stability (3.8-8.5%, peak area CVs%) results. This method was successfully applied for the antiparkinsonian effect evaluation of levodopa and Ginsenoside Rg1 using PC12 cells and rats models by measuring multiple NTs. This provided a new method for the NTs related studies in the future.
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Affiliation(s)
- Xian-En Zhao
- Shandong Provincial Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, PR China; Changchun Center of Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, PR China.
| | - Shuyun Zhu
- Shandong Provincial Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, PR China
| | - Hongmei Yang
- Changchun Center of Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, PR China; Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Jinmao You
- Shandong Provincial Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong, PR China
| | - Fengrui Song
- Changchun Center of Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, PR China
| | - Zhiqiang Liu
- Changchun Center of Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, PR China
| | - Shuying Liu
- Changchun Center of Mass Spectrometry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, PR China; Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun 130117, China.
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Hayama T. [Highly selective analysis of biogenic-related compounds utilizing fluorous chemistry]. YAKUGAKU ZASSHI 2015; 135:205-12. [PMID: 25747214 DOI: 10.1248/yakushi.14-00213-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Perfluoroalkyl-containing compounds are highly fluorous, meaning that they have a remarkable affinity for one another and effectively exclude non-fluorous species. Utilizing this unique property, we have developed a fluorous derivatization with a liquid chromatographic analysis method for highly selective analysis of target analytes. Although most previous methods focused on extremely sensitive detection-oriented derivatization, the fluorous derivatization method involves highly specific separation for analytes. This method includes perfluoroalkylation of analytes with a fluorous reagent, and separation of the derivatives using a perfluoroalkyl-modified stationary phase LC column. The derivatives can be selectively retained on the fluorous-phase LC column, whereas the non-fluorous derivatives are poorly retained under the same separation conditions. The combination of this method with LC-tandem mass spectrometry (MS/MS) is very useful for complex biological sample analysis, because matrix-induced suppression effects, which are a common problem in LC-MS/MS analysis arising from components of a biological endogenous matrix, have not been observed. We have successfully applied this method to precise and accurate LC-MS/MS analysis of some biogenic compounds, such as sialic acids and biogenic amines, in complex biological samples.
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Flower-like gold nanostructures electrodeposited on indium tin oxide (ITO) glass as a SERS-active substrate for sensing dopamine. Mikrochim Acta 2015. [DOI: 10.1007/s00604-015-1453-4] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Relationship between blood- and cerebrospinal fluid-bound neurotransmitter concentrations and conditioned pain modulation in pain-free and chronic pain subjects. THE JOURNAL OF PAIN 2015; 16:436-44. [PMID: 25659204 DOI: 10.1016/j.jpain.2015.01.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Revised: 01/12/2015] [Accepted: 01/16/2015] [Indexed: 02/07/2023]
Abstract
UNLABELLED Descending pain inhibition is an endogenous pain control system thought to depend partially on the activation of bulbospinal monoaminergic pathways. Deficits in descending pain inhibition have been reported in numerous human chronic pain conditions, but there is currently no consensus regarding the neurochemical correlates responsible for this deficit. The aims of this study were to 1) assess the efficacy of descending pain inhibition in pain-free and chronic pain subjects, 2) screen for changes in centrally (ie, cerebrospinal fluid) and peripherally (ie, plasma) acting monoamine concentrations, and 3) explore the relationship between descending pain inhibition and monoamine neurotransmitter concentrations. Our results clearly show a deficit in pain inhibition, along with lower plasma norepinephrine and metanephrine concentrations in chronic pain subjects, compared to pain-free subjects. No differences were found in cerebrospinal fluid neurotransmitter concentrations. Finally, our results revealed a positive relationship between blood-bound norepinephrine and metanephrine concentrations and the efficacy of descending pain inhibition. Thus, basal monoamine levels in blood were related to descending pain inhibition. This finding supports the emerging idea that individual differences in descending pain inhibition may be linked to individual differences in peripheral processes, such as monoamines release in blood, which are possibly related to cardiovascular control. PERSPECTIVES This article presents psychophysical and neurochemical findings that indicate that the latent potential of descending pain inhibitory responses is associated with differential activity in peripheral processes governed by monoamine neurotransmitter release, bringing insights into the relationship between descending pain inhibition and cardiovascular control in humans.
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Cell-based reporters reveal in vivo dynamics of dopamine and norepinephrine release in murine cortex. Nat Methods 2014; 11:1245-52. [PMID: 25344639 PMCID: PMC4245316 DOI: 10.1038/nmeth.3151] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Accepted: 09/14/2014] [Indexed: 11/11/2022]
Abstract
Neuronal coding of stimulus-to-action sequences are believed to involve the release of dopamine (DA) and norepinephrine (NE). The electrochemical similarity of these monoamines, however, confounds real-time measurements of their release. Here we report the creation of cell-based neurotransmitter fluorescent-engineered reporters (CNiFERs) that utilize the specificity of G-protein coupled receptors (GPCRs) to discriminate nanomolar concentrations of DA and NE. CNiFERs were implanted into frontal cortex of mice to measure the timing of neurotransmitter release during classical conditioning using two-photon microscopy. The onset of DA release correlated with that of licking and monotonically shifted from the time of the reward toward that of the cue. In contrast, concurrent release of NE did not correlate with licking or the cue. This new generation of CNiFERs provides unique tools to assess the release of monoamines. The molecular design of these CNiFERs may be generalized to realize CNiFERs for any molecule that activates a GPCR.
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Qi BL, Liu P, Wang QY, Cai WJ, Yuan BF, Feng YQ. Derivatization for liquid chromatography-mass spectrometry. Trends Analyt Chem 2014. [DOI: 10.1016/j.trac.2014.03.013] [Citation(s) in RCA: 155] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Mortera SL, Dioni I, Greco V, Neri C, Rovero P, Urbani A. pH-regulated formation of side products in the reductive amination approach for differential labeling of peptides in relative quantitative experiments. Electrophoresis 2014; 35:1259-67. [DOI: 10.1002/elps.201300484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Stefano Levi Mortera
- Department of System Medicine; University of Rome Tor Vergata; Rome Italy
- Proteomic and Metabonomic Laboratory; Santa Lucia Foundation; Rome Italy
| | - Ilaria Dioni
- Section of Pharmaceutical Sciences and Nutraceutics; Department NeuroFarBa; Laboratory of Peptide and Protein Chemistry and Biology; University of Florence; Florence Italy
| | - Viviana Greco
- Proteomic and Metabonomic Laboratory; Santa Lucia Foundation; Rome Italy
| | - Cristina Neri
- Proteomic and Metabonomic Laboratory; Santa Lucia Foundation; Rome Italy
| | - Paolo Rovero
- Section of Pharmaceutical Sciences and Nutraceutics; Department NeuroFarBa; Laboratory of Peptide and Protein Chemistry and Biology; University of Florence; Florence Italy
| | - Andrea Urbani
- Department of System Medicine; University of Rome Tor Vergata; Rome Italy
- Proteomic and Metabonomic Laboratory; Santa Lucia Foundation; Rome Italy
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Ranc V, Markova Z, Hajduch M, Prucek R, Kvitek L, Kaslik J, Safarova K, Zboril R. Magnetically Assisted Surface-Enhanced Raman Scattering Selective Determination of Dopamine in an Artificial Cerebrospinal Fluid and a Mouse Striatum Using Fe3O4/Ag Nanocomposite. Anal Chem 2014; 86:2939-46. [DOI: 10.1021/ac500394g] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Vaclav Ranc
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Zdenka Markova
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Marian Hajduch
- Institute of
Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hněvotínská 5, 779 00 Olomouc, Czech Republic
| | - Robert Prucek
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Libor Kvitek
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Josef Kaslik
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Klara Safarova
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Radek Zboril
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
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Wang L, Chai Y, Ni Z, Wang L, Hu R, Pan Y, Sun C. Qualitative and quantitative analysis of enantiomers by mass spectrometry: Application of a simple chiral chloride probe via rapid in-situ reaction. Anal Chim Acta 2014; 809:104-8. [DOI: 10.1016/j.aca.2013.11.055] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Revised: 11/25/2013] [Accepted: 11/27/2013] [Indexed: 11/30/2022]
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Benitex Y, McNaney CA, Luchetti D, Schaeffer E, Olah TV, Morgan DG, Drexler DM. Addressing the need for biomarker liquid chromatography/mass spectrometry assays: a protocol for effective method development for the bioanalysis of endogenous compounds in cerebrospinal fluid. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2013; 27:1882-1886. [PMID: 23857934 DOI: 10.1002/rcm.6639] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2013] [Revised: 05/24/2013] [Accepted: 05/27/2013] [Indexed: 06/02/2023]
Abstract
RATIONALE Research on disorders of the central nervous system (CNS) has shown that an imbalance in the levels of specific endogenous neurotransmitters may underlie certain CNS diseases. These alterations in neurotransmitter levels may provide insight into pathophysiology, but can also serve as disease and pharmacodynamic biomarkers. To measure these potential biomarkers in vivo, the relevant sample matrix is cerebrospinal fluid (CSF), which is in equilibrium with the brain's interstitial fluid and circulates through the ventricular system of the brain and spinal cord. Accurate analysis of these potential biomarkers can be challenging due to low CSF sample volume, low analyte levels, and potential interferences from other endogenous compounds. METHODS A protocol has been established for effective method development of bioanalytical assays for endogenous compounds in CSF. Database searches and standard-addition experiments are employed to qualify sample preparation and specificity of the detection thus evaluating accuracy and precision. RESULTS This protocol was applied to the study of the histaminergic neurotransmitter system and the analysis of histamine and its metabolite 1-methylhistamine in rat CSF. CONCLUSIONS The protocol resulted in a specific and sensitive novel method utilizing pre-column derivatization ultra high performance liquid chromatography/tandem mass spectrometry (UHPLC/MS/MS), which is also capable of separating an endogenous interfering compound, identified as taurine, from the analytes of interest.
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Affiliation(s)
- Yulia Benitex
- Molecular Sciences and Candidate Optimization, Bioanalytical Research, Bristol-Myers Squibb Company, Research & Development, 5 Research Parkway, Wallingford, CT 06492, USA.
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Zhang L, Cheng Y, Lei J, Liu Y, Hao Q, Ju H. Stepwise Chemical Reaction Strategy for Highly Sensitive Electrochemiluminescent Detection of Dopamine. Anal Chem 2013; 85:8001-7. [DOI: 10.1021/ac401894w] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Lei Zhang
- State Key Laboratory of Analytical Chemistry for Life
Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P. R. China
| | - Yan Cheng
- State Key Laboratory of Analytical Chemistry for Life
Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P. R. China
| | - Jianping Lei
- State Key Laboratory of Analytical Chemistry for Life
Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P. R. China
| | - Yueting Liu
- State Key Laboratory of Analytical Chemistry for Life
Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P. R. China
| | - Qing Hao
- State Key Laboratory of Analytical Chemistry for Life
Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P. R. China
| | - Huangxian Ju
- State Key Laboratory of Analytical Chemistry for Life
Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P. R. China
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Shi S, Zhao B, Yagnik G, Zhou F. An interface for sensitive analysis of monoamine neurotransmitters by ion-pair chromatography-electrospray ionization-mass spectrometry with continuous online elimination of ion-pair reagents. Anal Chem 2013; 85:6598-602. [PMID: 23767971 PMCID: PMC3780787 DOI: 10.1021/ac401396j] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A challenge in coupling ion-pair chromatography (IPC) online with electrospray ionization-mass spectrometry (ESI-MS) is that the nonvolatile ion-pair reagent (e.g., alkyl sulfate for amines or tetrabutylammonium for carboxylic acids) in the mobile phase suppresses the ESI-MS signals in the gas phase and their accumulation can clog the MS sampling interface. Consequently, IPC-ESI-MS is conducted either with a volatile ion-pair reagent, which could compromise the analyte separation efficiency, or with a downstream ion-exchange column to rid the ion-pair reagents of the mobile phase. In the latter approach, the limited capacity of ion-exchange columns requires frequent off-line column regeneration, which affects the separation throughput and prohibits long separations from being performed. A dual-valve, dual-ion exchange column interface of IPC-ESI-MS is designed for undisrupted separations and simultaneous column regeneration. Owing to the efficacy in removing the ion-pair reagent, the detection of eluents of monoamine neurotransmitters by an ion trap MS results in the limits of detection of 0.03 μM for dopamine or DA and 0.01 μM for 5-hydroxytryptamine or 5-HT. These values are lower than those obtained with ion trap MS of similar sensitivity when combined with the use of specialized chromatographic columns or sample preconcentration. Excellent reproducibility was attained with repeatedly regenerated ion-exchange columns (RSD = 4-6%) for an extended period of time (RSD < 6% for 6 days). DA and 5-HT in rat straital extracts were analyzed, and our data demonstrate that interferences inherent in the tissues and the ion-pair reagent have been successfully eliminated. This simple interface should be readily amenable to the separation and MS analysis of other types of polar compounds in complex sample media.
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Affiliation(s)
- Shuyun Shi
- Department of Chemistry and Biochemistry, California State University, Los Angeles, Los Angeles, California 90032
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan, P. R. China 410083
| | - Binqing Zhao
- Department of Chemistry and Biochemistry, California State University, Los Angeles, Los Angeles, California 90032
| | - Gargey Yagnik
- Department of Chemistry and Biochemistry, California State University, Los Angeles, Los Angeles, California 90032
| | - Feimeng Zhou
- Department of Chemistry and Biochemistry, California State University, Los Angeles, Los Angeles, California 90032
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Bruheim P, Kvitvang HFN, Villas-Boas SG. Stable isotope coded derivatizing reagents as internal standards in metabolite profiling. J Chromatogr A 2013; 1296:196-203. [DOI: 10.1016/j.chroma.2013.03.072] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2013] [Revised: 03/22/2013] [Accepted: 03/25/2013] [Indexed: 12/26/2022]
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Relative quantification of biomarkers using mixed-isotope labeling coupled with MS. Bioanalysis 2013; 4:2525-41. [PMID: 23157360 DOI: 10.4155/bio.12.208] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The identification and quantification of important biomarkers is a critical first step in the elucidation of biological systems. Biomarkers take many forms as cellular responses to stimuli and can be manifested during transcription, translation, and/or metabolic processing. Increasingly, researchers have relied upon mixed-isotope labeling (MIL) coupled with MS to perform relative quantification of biomarkers between two or more biological samples. MIL effectively tags biomarkers of interest for ease of identification and quantification within the mass spectrometer by using isotopic labels that introduce a heavy and light form of the tag. In addition to MIL coupled with MS, a number of other approaches have been used to quantify biomarkers including protein gel staining, enzymatic labeling, metabolic labeling, and several label-free approaches that generate quantitative data from the MS signal response. This review focuses on MIL techniques coupled with MS for the quantification of protein and small-molecule biomarkers.
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Denoroy L, Zimmer L, Renaud B, Parrot S. Ultra high performance liquid chromatography as a tool for the discovery and the analysis of biomarkers of diseases: A review. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 927:37-53. [DOI: 10.1016/j.jchromb.2012.12.005] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2012] [Revised: 12/06/2012] [Accepted: 12/07/2012] [Indexed: 12/25/2022]
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Santos-Fandila A, Zafra-Gómez A, Barranco A, Navalón A, Rueda R, Ramírez M. Quantitative determination of neurotransmitters, metabolites and derivates in microdialysates by UHPLC-tandem mass spectrometry. Talanta 2013; 114:79-89. [PMID: 23953445 DOI: 10.1016/j.talanta.2013.03.082] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2012] [Revised: 03/25/2013] [Accepted: 03/28/2013] [Indexed: 11/25/2022]
Abstract
The main objective of the present work is to study the time-course of rat brain neurotransmitters in vivo after an oral challenge with a nutritional ingredient or an external stimulus, such as a chemical agent. An ultrahigh performance liquid chromatography-tandem mass spectrometry method for the identification and quantification of neurotransmitters, metabolites and derivates in microdialysates from rat brain was previously developed. Betaine, glutamine, glutamic acid, gamma-aminobutyric acid, phosphocholine, glycerophosphocholine, cytidine 5'-diphosphocholine, choline, acetylcholine, dopamine, norepinephrine, serotonin, tyrosine, epinephrine, tryptophan and 5-hydroxyindoleacetic acid were selected as analytes. The method involves direct injection of samples of microdialysates from rat brain onto the chromatographic equipment and quantification with a triple quadrupole mass spectrometer detector using an electrospray ionization interface in positive mode. The limits of detection ranged from 0.1 to 50 ng mL(-1) and the limits of quantification from 0.3 to 200 ng mL(-1). The inter- and intra-day variability were lower than 15%. Recovery rates ranged from 85% to 115%.
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Affiliation(s)
- A Santos-Fandila
- Discovery R&D, Abbott Nutrition, Abbott Laboratories, Cmno. Purchil 68, E-18004 Granada, Spain.
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Greco S, Danysz W, Zivkovic A, Gross R, Stark H. Microdialysate analysis of monoamine neurotransmitters—A versatile and sensitive LC–MS/MS method. Anal Chim Acta 2013; 771:65-72. [DOI: 10.1016/j.aca.2013.02.004] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Revised: 01/24/2013] [Accepted: 02/02/2013] [Indexed: 02/03/2023]
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Zheng X, Kang A, Dai C, Liang Y, Xie T, Xie L, Peng Y, Wang G, Hao H. Quantitative Analysis of Neurochemical Panel in Rat Brain and Plasma by Liquid Chromatography–Tandem Mass Spectrometry. Anal Chem 2012; 84:10044-51. [DOI: 10.1021/ac3025202] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xiao Zheng
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism & Pharmacokinetics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - An Kang
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism & Pharmacokinetics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Chen Dai
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism & Pharmacokinetics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Yan Liang
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism & Pharmacokinetics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Tong Xie
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism & Pharmacokinetics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Lin Xie
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism & Pharmacokinetics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Yin Peng
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism & Pharmacokinetics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Guangji Wang
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism & Pharmacokinetics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
| | - Haiping Hao
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism & Pharmacokinetics, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China
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Nirogi R, Komarneni P, Kandikere V, Boggavarapu R, Bhyrapuneni G, Benade V, Gorentla S. A sensitive and selective quantification of catecholamine neurotransmitters in rat microdialysates by pre-column dansyl chloride derivatization using liquid chromatography-tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2012; 913-914:41-7. [PMID: 23270937 DOI: 10.1016/j.jchromb.2012.09.034] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Revised: 09/18/2012] [Accepted: 09/23/2012] [Indexed: 11/29/2022]
Abstract
A rapid and sensitive liquid chromatography tandem mass spectrometry method for simultaneous quantification of catecholamine neurotransmitters in microdialysates was developed. The catecholamine neurotransmitters dopamine (DA) and norepinephrine (NE) were pre-column derivatized with dansyl chloride and analyzed. A gradient elution method was used to separate the analytes from the interferences on an Agilent Poroshell 120 EC-C18 outer porous micro particulate column. The method was robust and sensitive to determine with the lower limit of quantification value of 0.068pmol/mL and 0.059pmol/mL for DA and NE, respectively. It has acceptable precision and accuracy for concentrations over the standard curve range. The method was successfully applied for simultaneous quantitation of DA and NE in the prefrontal cortex (PFC) dialysates of rats obtained from a microdialysis study dosed with vehicle and atomoxetine through intra peritoneal (i.p.) route at a dose of 3mg/kg to monitor the change in extracellular concentrations. Thus, accomplishment of this method would facilitate the neurochemical monitoring for discovery of new chemical entities targeted for the treatment of attention deficit hyperactivity disorder (ADHD).
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Affiliation(s)
- Ramakrishna Nirogi
- Biopharmaceutical Research, Drug Discovery, Suven Life Sciences Ltd., Serene Chambers, Road - 5, Avenue - 7, Banjara Hills, Hyderabad 500 034, India.
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Hayama T, Sakaguchi Y, Yoshida H, Itoyama M, Todoroki K, Yamaguchi M, Nohta H. Binary Fluorous Alkylation of Biogenic Primary Amines with Perfluorinated Aldehyde Followed by Fluorous Liquid Chromatography–Tandem Mass Spectrometry Analysis. Anal Chem 2012; 84:8407-14. [DOI: 10.1021/ac3020092] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Tadashi Hayama
- Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Johnan, Fukuoka
814-0180, Japan
| | - Yohei Sakaguchi
- Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Johnan, Fukuoka
814-0180, Japan
| | - Hideyuki Yoshida
- Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Johnan, Fukuoka
814-0180, Japan
| | - Miki Itoyama
- Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Johnan, Fukuoka
814-0180, Japan
| | - Kenichiro Todoroki
- Laboratory
of Analytical and
Bio-Analytical Chemistry, Graduate School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga, Shizuoka
422-8526, Japan
| | - Masatoshi Yamaguchi
- Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Johnan, Fukuoka
814-0180, Japan
| | - Hitoshi Nohta
- Faculty of Pharmaceutical Sciences, Fukuoka University, 8-19-1 Nanakuma, Johnan, Fukuoka
814-0180, Japan
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