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Gomez-Gomez A, Martin BMS, Haro N, Pozo OJ. Determination of well-being-related markers in nails by liquid chromatography tandem mass spectrometry. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 267:115586. [PMID: 37897979 DOI: 10.1016/j.ecoenv.2023.115586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 09/27/2023] [Accepted: 10/11/2023] [Indexed: 10/30/2023]
Abstract
Well-being is a multifactorial positive state that is highly influenced by some endogenous molecules that control happiness and euphoric feelings. These molecules, e.g., neurotransmitters, hormones and their derivatives, play a crucial role in metabolism and may be referred to as "well-being-related markers". The deregulation of well-being-related markers can lead to organism malfunctions and life-threatening states. In this research, we aimed to evaluate the potential of nails for the chronic production of several well-being-related markers. For this purpose, we developed an LCMS /MS-based method for the determination of 10 well-being-related markers, including melatonin, serotonin, cortisol, kynurenine and several precursors and metabolites. The method was optimized regarding different analytical steps: required sample amount, extraction time, number of required extractions, preconcentration, injection volume and MS conditions. Method validation was performed by two different approaches: (i) using surrogate nail matrix and (ii) using authentic nail samples by standard additions. The method was found to be linear in the expected endogenous range and sensitive enough to determine the low endogenous concentration levels in nails. Accuracy and precision were appropriate in both validation approaches. As proof of concept, the method was used (i) to correlate fingernail and toenail levels for all metabolites in 22 volunteers, (ii) to establish the endogenous concentration range of all metabolites in females (n = 50) and males (n = 34) and (iii) to correlate the metabolite levels with age. For some metabolites, the calculated ranges have been reported for the first time. In summary, the present strategy to evaluate well-being-related markers in nails may be a useful tool for the evaluation of the production of these important compounds with high potential for a wide range of clinical purposes.
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Affiliation(s)
- Alex Gomez-Gomez
- Applied Metabolomics Research Group, Hospital del Mar Research Institute, Doctor Aiguader 88, 08003 Barcelona, Spain
| | - Blanca Montero-San Martin
- Laboratory Medicine, Arnau de Vilanova University Hospital, Alcalde Rovira Roure, 80, 25198 Lleida, Spain
| | - Noemí Haro
- Applied Metabolomics Research Group, Hospital del Mar Research Institute, Doctor Aiguader 88, 08003 Barcelona, Spain
| | - Oscar J Pozo
- Applied Metabolomics Research Group, Hospital del Mar Research Institute, Doctor Aiguader 88, 08003 Barcelona, Spain.
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2
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Electrochemical Sensing of Epinephrine on a Carbon Nanofibers and Gold Nanoparticle-Modified Electrode. Electrocatalysis (N Y) 2022. [DOI: 10.1007/s12678-022-00769-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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3
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Validation of a multiplexed and targeted lipidomics assay for accurate quantification of lipidomes. J Lipid Res 2022; 63:100218. [PMID: 35489416 PMCID: PMC9168725 DOI: 10.1016/j.jlr.2022.100218] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/19/2022] [Accepted: 04/21/2022] [Indexed: 11/29/2022] Open
Abstract
A major challenge of lipidomics is to determine and quantify the precise content of complex lipidomes to the exact lipid molecular species. Often, multiple methods are needed to achieve sufficient lipidomic coverage to make these determinations. Multiplexed targeted assays offer a practical alternative to enable quantitative lipidomics amenable to quality control standards within a scalable platform. Herein, we developed a multiplexed normal phase liquid chromatography-hydrophilic interaction chromatography multiple reaction monitoring method that quantifies lipid molecular species across over 20 lipid classes spanning wide polarities in a single 20-min run. Analytical challenges such as in-source fragmentation, isomer separations, and concentration dynamics were addressed to ensure confidence in selectivity, quantification, and reproducibility. Utilizing multiple MS/MS product ions per lipid species not only improved the confidence of lipid identification but also enabled the determination of relative abundances of positional isomers in samples. Lipid class-based calibration curves were applied to interpolate lipid concentrations and guide sample dilution. Analytical validation was performed following FDA Bioanalytical Method Validation Guidance for Industry. We report repeatable and robust quantitation of 900 lipid species measured in NIST-SRM-1950 plasma, with over 700 lipids achieving inter-assay variability below 25%. To demonstrate proof of concept for biomarker discovery, we analyzed plasma from mice treated with a glucosylceramide synthase inhibitor, benzoxazole 1. We observed expected reductions in glucosylceramide levels in treated animals but, more notably, identified novel lipid biomarker candidates from the plasma lipidome. These data highlight the utility of this qualified lipidomic platform for enabling biological discovery.
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4
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Shi N, Bu X, Zhang M, Wang B, Xu X, Shi X, Hussain D, Xu X, Chen D. Current Sample Preparation Methodologies for Determination of Catecholamines and Their Metabolites. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27092702. [PMID: 35566052 PMCID: PMC9099465 DOI: 10.3390/molecules27092702] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 04/17/2022] [Accepted: 04/19/2022] [Indexed: 12/18/2022]
Abstract
Catecholamines (CAs) and their metabolites play significant roles in many physiological processes. Changes in CAs concentration in vivo can serve as potential indicators for the diagnosis of several diseases such as pheochromocytoma and paraganglioma. Thus, the accurate quantification of CAs and their metabolites in biological samples is quite important and has attracted great research interest. However, due to their extremely low concentrations and numerous co-existing biological interferences, direct analysis of these endogenous compounds often suffers from severe difficulties. Employing suitable sample preparation techniques before instrument detection to enrich the target analytes and remove the interferences is a practicable and straightforward approach. To date, many sample preparation techniques such as solid-phase extraction (SPE), and liquid-liquid extraction (LLE) have been utilized to extract CAs and their metabolites from various biological samples. More recently, several modern techniques such as solid-phase microextraction (SPME), liquid-liquid microextraction (LLME), dispersive solid-phase extraction (DSPE), and chemical derivatizations have also been used with certain advanced features of automation and miniaturization. There are no review articles with the emphasis on sample preparations for the determination of catecholamine neurotransmitters in biological samples. Thus, this review aims to summarize recent progress and advances from 2015 to 2021, with emphasis on the sample preparation techniques combined with separation-based detection methods such capillary electrophoresis (CE) or liquid chromatography (LC) with various detectors. The current review manuscript would be helpful for the researchers with their research interests in diagnostic analysis and biological systems to choose suitable sample pretreatment and detection methods.
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Affiliation(s)
- Nian Shi
- Physics Diagnostic Division, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China;
| | - Xinmiao Bu
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases of Henan Province, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.B.); (M.Z.); (B.W.); (X.X.)
| | - Manyu Zhang
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases of Henan Province, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.B.); (M.Z.); (B.W.); (X.X.)
| | - Bin Wang
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases of Henan Province, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.B.); (M.Z.); (B.W.); (X.X.)
| | - Xinli Xu
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases of Henan Province, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.B.); (M.Z.); (B.W.); (X.X.)
| | - Xuezhong Shi
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China;
| | - Dilshad Hussain
- HEJ Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
- Correspondence: (D.H.); (X.X.); (D.C.)
| | - Xia Xu
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases of Henan Province, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.B.); (M.Z.); (B.W.); (X.X.)
- Correspondence: (D.H.); (X.X.); (D.C.)
| | - Di Chen
- Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases of Henan Province, School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; (X.B.); (M.Z.); (B.W.); (X.X.)
- Correspondence: (D.H.); (X.X.); (D.C.)
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5
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Emran MY, Shenashen MA, Eid AI, Selim MM, El-Safty SA. Portable sensitive and selective biosensing assay of dopamine in live cells using dual phosphorus and nitrogen doped carbon urchin-like structure. CHEMICAL ENGINEERING JOURNAL 2022; 430:132818. [DOI: 10.1016/j.cej.2021.132818] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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6
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Yang X, Zhao P, Xie Z, Ni M, Wang C, Yang P, Xie Y, Fei J. Selective determination of epinephrine using electrochemical sensor based on ordered mesoporous carbon / nickel oxide nanocomposite. Talanta 2021; 233:122545. [PMID: 34215048 DOI: 10.1016/j.talanta.2021.122545] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 05/16/2021] [Accepted: 05/19/2021] [Indexed: 11/26/2022]
Abstract
A nanocomposite of ordered mesoporous carbon/nickel oxide (OMC-NiO) was synthesized by hard-templating method. The nanocomposite remained ordered mesostructure and high surface area with the NiO nanocrystals embedded in the wall of the OMC. A sensitive sensor for electrochemical detection of epinephrine (EP) was developed with GCE modified by OMC-NiO nanocomposite. Cyclic voltammogram (CV) and differential pulse voltammetry (DPV) were used as the techniques to explore the electrochemical behavior of EP on OMC-NiO/GCE surface. The result showed that the electrode demonstrated better electrocatalytic performance to EP compared to that seen at OMC/GCE. Under the optimum condition, DPV measurements of the electrode response displayed a linear detection range for 8.0 × 10-7 to 5.0 × 10-5 M with a detection limit of 8.5 × 10-8 M (S/N = 3). It is worth noting that the electrocatalytic redox mechanism of EP on the electrode have studied through experiments and calculations (cyclic voltammetry and molecular electrostatic potential distribution). Moreover, the electrocatalytic behavior for the oxidation of EP and uric acid (UA) on OMC-NiO/GCE surface was investigated. The result showed that the sensor can be used to selectively determinate EP in the presence of an excesses of UA. Finally, the developed sensor was successfully applied to the determination of EP in spiked human blood serum and EP injection with satisfactory results.
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Affiliation(s)
- Xiao Yang
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China; Hunan Fisheries Science Institute, Changsha, 410153, People's Republic of China
| | - Pengcheng Zhao
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China.
| | - Zhonggui Xie
- Hunan Fisheries Science Institute, Changsha, 410153, People's Republic of China
| | - Meijun Ni
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China
| | - Chenxi Wang
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China; Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Xiangtan University, Xiangtan, 411105, People's Republic of China
| | - Pingping Yang
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China
| | - Yixi Xie
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Xiangtan University, Xiangtan, 411105, People's Republic of China
| | - Junjie Fei
- Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan, 411105, People's Republic of China; Hunan Institute of Advanced Sensing and Information Technology, Xiangtan University, Xiangtan, 411105, People's Republic of China.
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7
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Lin Z, Liu C, Fan E, Zhang Y, Zheng S, Rao Y. An efficient and label-free LC-MS/MS method for assessing drug's activity at dopamine and serotonin transporters using transporter-transfected HEK293T cells. J Psychopharmacol 2021; 35:693-700. [PMID: 33888022 DOI: 10.1177/02698811211008576] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Dopamine transporter (DAT) and serotonin transporter (SERT) are targets for many psychoactive substances. Functional assays including uptake inhibition and release assays often involve radiolabeled compounds like [3H]-dopamine and [3H]-serotonin to assess drug activity at transporters, which have high requirements on handling radioactive samples. AIMS The aim of this study was to establish a label-free method to assess drug activity at DAT and SERT. METHODS A liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) method was established using transporter-transfected human embryonic kidney 293T (HEK293T) cells. This method was evaluated by testing the effects of amphetamine and cocaine in the assay procedure. RESULTS The limits of detection of this method were 0.2 nM for both dopamine (DA) and serotonin (5-HT), with good linearities in the range of 0.5-160 nM. Amphetamine and cocaine's IC50 and EC50 on DAT and SERT determined by this method were consistent with previous reports. CONCLUSIONS A rapid, reliable and label-free LC-MS/MS method for assessing drug activity was established, which affords an attractive alternative for those laboratories that do not have a radiation license or capabilities.
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Affiliation(s)
- Zebin Lin
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, China.,Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Center for Quantitative Biology (CQB), Peking University, Beijing, China
| | - Chenyang Liu
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, China.,Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Center for Quantitative Biology (CQB), Peking University, Beijing, China
| | - Enshan Fan
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yurong Zhang
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Institute of Forensic Sciences, Shanghai, China
| | - Shuiqing Zheng
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Institute of Forensic Sciences, Shanghai, China
| | - Yulan Rao
- Department of Forensic Medicine, School of Basic Medical Sciences, Fudan University, Shanghai, China
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8
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Britto-Júnior J, Antunes NJ, Campos R, Sucupira M, Mendes GD, Fernandes F, Moraes MO, Moraes MEA, De Nucci G. Determination of dopamine, noradrenaline, and adrenaline in Krebs-Henseleit solution by liquid chromatography coupled with tandem mass spectrometry and measurement of their basal release from Chelonoidis carbonaria aortae in vitro. Biomed Chromatogr 2020; 35:e4978. [PMID: 32866321 DOI: 10.1002/bmc.4978] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 08/14/2020] [Accepted: 08/27/2020] [Indexed: 01/07/2023]
Abstract
This study presented for the first time the development and validation of a sensitive method for quantification of dopamine, noradrenaline, and adrenaline in Krebs-Henseleit solution by LC-tandem mass spectrometry. Aliquots of 2.0 mL calibrators, quality controls, and samples of Krebs-Henseleit solution incubated with tortoise's aortic ring for 30 min were extracted by solid-phase extraction. Catecholamine separation was achieved on a 100 × 4.6 mm LiChrospher RP-8 column and the quantification was performed by a mass spectrometer equipped with an electrospray interface operating in positive ion mode. The run time was 4 min and the calibration curve was linear over the range of 0.1-20.0 ng/mL. The method was applied to the measurement of basal release of dopamine, noradrenaline, and adrenaline from the tortoise Chelonoidis carbonaria aortae in vitro. One aortic ring (30 mm) per tortoise (n = 5) was incubated for 30 min in a 5 mL organ bath filled with Krebs-Henseleit solution. The method demonstrated sensitivity, precision, and accuracy enough for its application in the measurement of basal release of these catecholamines from C. carbonaria aortic rings in vitro. The mean (standard deviation) concentrations of dopamine, noradrenaline, and adrenaline were 3.48 (2.55) ng/mL, 1.40 (0.57) ng/mL, and 1.87 (1.09) ng/mL, respectively.
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Affiliation(s)
- José Britto-Júnior
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Natalícia J Antunes
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, SP, Brazil
| | - Rafael Campos
- Superior Institute of Biomedical Sciences, Ceará State University (UECE), Fortaleza, CE, Brazil.,Clinical Pharmacology Unit, Drug Research and Development Center, Federal University of Ceará (UFC), Fortaleza, CE, Brazil
| | - Mauro Sucupira
- Clinical Pharmacology Unit, Drug Research and Development Center, Federal University of Ceará (UFC), Fortaleza, CE, Brazil
| | - Gustavo Duarte Mendes
- Department of Pharmacology, Faculty of Medicine, São Leopoldo Mandic, Campinas, SP, Brazil.,Department of Pharmacology, Faculty of Medicine, Metropolitan University of Santos, Santos, SP, Brazil
| | - Fernanda Fernandes
- Department of Pharmacology, Faculty of Medicine, São Leopoldo Mandic, Campinas, SP, Brazil
| | - Manoel Odorico Moraes
- Clinical Pharmacology Unit, Drug Research and Development Center, Federal University of Ceará (UFC), Fortaleza, CE, Brazil
| | - Maria Elisabete A Moraes
- Clinical Pharmacology Unit, Drug Research and Development Center, Federal University of Ceará (UFC), Fortaleza, CE, Brazil
| | - Gilberto De Nucci
- Department of Pharmacology, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, SP, Brazil.,Clinical Pharmacology Unit, Drug Research and Development Center, Federal University of Ceará (UFC), Fortaleza, CE, Brazil.,Department of Pharmacology, Faculty of Medicine, São Leopoldo Mandic, Campinas, SP, Brazil.,Institute of Biomedical Sciences, University of São Paulo (USP), São Paulo, Brazil
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9
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Chen Z, Gao Y, Zhong D. Technologies to improve the sensitivity of existing chromatographic methods used for bioanalytical studies. Biomed Chromatogr 2020; 34:e4798. [PMID: 31994210 DOI: 10.1002/bmc.4798] [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: 11/26/2019] [Revised: 01/10/2020] [Accepted: 01/24/2020] [Indexed: 12/16/2022]
Abstract
Chromatographic method has long been recognized as the most widely used separation method in bioanalytical research. However, the relatively low sensitivity of existing chromatographic methods remains a significant challenge, as the requirements for experimental procedures become more demanding. This review discusses the main causes for the low sensitivity of chromatographic methods and aims to introduce different technologies for enhancing their sensitivity in the following aspects: (i) different pretreatment methods for improving clean-up efficiency and recovery; (ii) derivatization step for altering the chromatographic behavior of analytes and enhancing MS ionization efficiency; (iii) optimal LC-MS conditions and appropriate separation mechanism; and (iv) applications of other chromatographic methods, including miniaturized LC, 2D-LC, 2D-GC, and supercritical fluid chromatography. Altogether, this review is devoted to summarizing the recent technologies reported in the literature and providing new strategies for the detection of bioanalytes.
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Affiliation(s)
- Zhendong Chen
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Yuxiong Gao
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Dafang Zhong
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Beijing, China
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10
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Over-oxidized carbon paste electrode modified with pretreated carbon nanofiber for the simultaneous detection of epinephrine and uric acid in the presence of ascorbic acid. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2019. [DOI: 10.1007/s13738-019-01836-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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11
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Roiffé RR, Ribeiro WD, Sardela VF, de la Cruz MN, de Souza KR, Pereira HM, Aquino Neto FR. Development of a sensitive and fast method for detection of catecholamines and metabolites by HRMS. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104173] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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12
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Movassaghi CS, McCarthy DP, Bhandari D, Blount BC, De Jesús VR. Multiple Ion Transition Summation of Isotopologues for Improved Mass Spectrometric Detection of N-Acetyl-S-(1,2-dichlorovinyl)-L-cysteine. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2019; 30:1213-1219. [PMID: 31012057 PMCID: PMC7887456 DOI: 10.1007/s13361-019-02169-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 02/15/2019] [Accepted: 02/17/2019] [Indexed: 06/09/2023]
Abstract
Multiple ion transition summation of isotopologues (MITSI) is an adaptable and easy-to-implement methodology for improving analytical sensitivity, especially for halogenated compounds and otherwise abundant isotopologues. This novel application of signal summing was applied to measure and quantitate the two most abundant ion transitions of two isotopologues of N-acetyl-S-(1,2-dichlorovinyl)-L-cysteine (1DCV), a urinary metabolite of trichloroethylene (TCE). Because 1DCV is dichlorinated, only approximately half of the total potential signal is quantifiable when the monoisotopic ion transition (i.e., m/z 256 → 127 for 35Cl2) is monitored. By summing the intensity of a separate and high-abundance 1DCV isotopologue ion transition (i.e., m/z 258 → 129 to include 35Cl and 37Cl), overall signal intensity increased by over 70%. This summation technique improved the analytical sensitivity and limit of detection (LOD) by factors of 2.3 and 2.9, respectively, compared to monitoring the two transitions separately, without summation. Separation and detection were performed using liquid chromatography-tandem mass spectrometry (LC-MS/MS) in negative-ion mode with scheduled selected reaction monitoring. This approach was verified for accuracy and precision using two quality control materials. In addition, we derived a modified signal summation equation to calculate predicted signal enhancements specific to the MITSI approach. Graphical Abstract .
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Affiliation(s)
- Cameron S Movassaghi
- Division of Laboratory Sciences (DLS), Tobacco and Volatiles Branch (TVB), Centers for Disease Control and Prevention (CDC), 4770 Buford Hwy NE, MS F-47, Atlanta, GA, 30341, USA
| | - Declan P McCarthy
- Division of Laboratory Sciences (DLS), Tobacco and Volatiles Branch (TVB), Centers for Disease Control and Prevention (CDC), 4770 Buford Hwy NE, MS F-47, Atlanta, GA, 30341, USA
| | - Deepak Bhandari
- Division of Laboratory Sciences (DLS), Tobacco and Volatiles Branch (TVB), Centers for Disease Control and Prevention (CDC), 4770 Buford Hwy NE, MS F-47, Atlanta, GA, 30341, USA.
| | - Benjamin C Blount
- Division of Laboratory Sciences (DLS), Tobacco and Volatiles Branch (TVB), Centers for Disease Control and Prevention (CDC), 4770 Buford Hwy NE, MS F-47, Atlanta, GA, 30341, USA
| | - Víctor R De Jesús
- Division of Laboratory Sciences (DLS), Tobacco and Volatiles Branch (TVB), Centers for Disease Control and Prevention (CDC), 4770 Buford Hwy NE, MS F-47, Atlanta, GA, 30341, USA
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13
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Plenis A, Olędzka I, Kowalski P, Miękus N, Bączek T. Recent Trends in the Quantification of Biogenic Amines in Biofluids as Biomarkers of Various Disorders: A Review. J Clin Med 2019; 8:E640. [PMID: 31075927 PMCID: PMC6572256 DOI: 10.3390/jcm8050640] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 04/30/2019] [Accepted: 05/06/2019] [Indexed: 01/10/2023] Open
Abstract
Biogenic amines (BAs) are bioactive endogenous compounds which play a significant physiological role in many cell processes like cell proliferation and differentiation, signal transduction and membrane stability. Likewise, they are important in the regulation of body temperature, the increase/decrease of blood pressure or intake of nutrition, as well as in the synthesis of nucleic acids and proteins, hormones and alkaloids. Additionally, it was confirmed that these compounds can be considered as useful biomarkers for the diagnosis, therapy and prognosis of several neuroendocrine and cardiovascular disorders, including neuroendocrine tumours (NET), schizophrenia and Parkinson's Disease. Due to the fact that BAs are chemically unstable, light-sensitive and possess a high tendency for spontaneous oxidation and decomposition at high pH values, their determination is a real challenge. Moreover, their concentrations in biological matrices are extremely low. These issues make the measurement of BA levels in biological matrices problematic and the application of reliable bioanalytical methods for the extraction and determination of these molecules is needed. This article presents an overview of the most recent trends in the quantification of BAs in human samples with a special focus on liquid chromatography (LC), gas chromatography (GC) and capillary electrophoresis (CE) techniques. Thus, new approaches and technical possibilities applied in these methodologies for the assessment of BA profiles in human samples and the priorities for future research are reported and critically discussed. Moreover, the most important applications of LC, GC and CE in pharmacology, psychology, oncology and clinical endocrinology in the area of the analysis of BAs for the diagnosis, follow-up and monitoring of the therapy of various health disorders are presented and critically evaluated.
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Affiliation(s)
- Alina Plenis
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107, 80-416 Gdańsk, Poland.
| | - Ilona Olędzka
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107, 80-416 Gdańsk, Poland.
| | - Piotr Kowalski
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107, 80-416 Gdańsk, Poland.
| | - Natalia Miękus
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107, 80-416 Gdańsk, Poland.
- Department of Animal and Human Physiology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308 Gdańsk, Poland.
| | - Tomasz Bączek
- Department of Pharmaceutical Chemistry, Medical University of Gdańsk, Hallera 107, 80-416 Gdańsk, Poland.
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14
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Advances and challenges in neurochemical profiling of biological samples using mass spectrometry coupled with separation methods. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2018.07.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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15
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Li XS, Li S, Kellermann G. A simple dilute and shoot approach incorporated with pentafluorophenyl (PFP) column based LC-MS/MS assay for the simultaneous determination of trimethylamine N-oxide and trimethylamine in spot urine samples with high throughput. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1067:61-70. [PMID: 29017075 DOI: 10.1016/j.jchromb.2017.09.049] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Revised: 08/18/2017] [Accepted: 09/30/2017] [Indexed: 10/18/2022]
Abstract
Determination of trimethylamine N-oxide (TMAO) and trimethylamine (TMA) in biological and environmental samples has drawn great attention recently due to their increasing association with human health and disease. It remains a challenge to simultaneously quantify TMAO and TMA in a simple, fast and cost-effective manner due to pre-analytical and analytical constraints. For the first time, we describe a dilute and shoot approach combined with LC-MS/MS detection for the simultaneous measurement of the analytes in spot urine samples with high throughput. Compared to the existing methods, the merits of the proposed assay include the use of a simple dilute and shoot approach (100-fold), small sample volume (10μL), short LC run on a PFP column (4.0min) and multi-analyte MS detection without sample cleanup, derivatization, evaporation and a HILIC column. Dilution, LC and MS parameters were optimized in detail. Method validation yielded a wide linearity for TMAO (1.0-400μg/mL) and TMA (0.025-10μg/mL) with a respective limit of quantitation of 1.0 and 0.025μg/mL. The quantitation was not affected by 41 major urinary components, structurally-related drugs and metabolites. The intra- and inter-day assay precisions were ≤3.6% and recoveries were 93.3%-103.3% for spiked quality control samples. The clinical utility of the alternative spot urine sampling approach compared to conventional 24h urine collection was supported by a significant correlation between the two sampling strategies (n=20, p<0.0001, r=0.757-0.862; slope=0.687-1.170) and no statistical difference in day-to-day biological variability (n=20). The applicability and reliability of the assay was verified by the assessment of reference intervals in a cohort of 118 healthy people. The proposed assay would be beneficial for the rapid and accurate determination of the increasingly important TMAO and TMA demanded in clinical, environmental, pharmaceutical and nutritional fields.
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Affiliation(s)
| | - Shu Li
- Pharmasan Labs, Inc., 373 280th Street, Osceola, WI 54020, USA
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Li XS, Li S, Kellermann G. Simultaneous determination of three estrogens in human saliva without derivatization or liquid-liquid extraction for routine testing via miniaturized solid phase extraction with LC-MS/MS detection. Talanta 2017; 178:464-472. [PMID: 29136849 DOI: 10.1016/j.talanta.2017.09.062] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 09/20/2017] [Accepted: 09/21/2017] [Indexed: 12/23/2022]
Abstract
Accurate quantitation of estrogens (i.e, estrone (E1), estradiol (E2) and estriol (E3)) is valuable for clinical assessment of human health and disease. Alterations in estrogen levels have been implicated in numerous pathological conditions. However, inadequacies in sensitivity and specificity, cumbersome sample preparation and invasive specimen collection hamper the usability of available methods for clinical applications. Herein, a simple, rapid, highly sensitive and specific LC-MS/MS method was developed and validated for the simultaneous determination of three estrogens in human saliva providing a non-invasive alternative to conventional blood samples. For the first time, a 96-well hydrophilic-lipophilic-balanced (HLB) microplate was employed for clean-up and enrichment of estrogens in a single extraction without the requirements of derivatization, evaporation, liquid-liquid extraction and online extraction. A rapid LC chromatographic separation with a turnaround time of 5.0min was achieved on a BEH C18 XP column. The use of 0.1mM ammonium fluoride (NH4F) as LC additive, and integration of summated and scheduled multiple reaction monitoring (MRM) transitions substantially improved the sensitivity to 1pg/mL, allowing the accurate quantitation of trace levels of three estrogens in one run. The assay was fully validated with good performance for extraction efficiency (67.0-85.6%), matrix effect (89.6-100.2%), linearity (from 1.0pg/mL up to 1000pg/mL), accuracy (98.9-112.4%) and precision (≤7.4%). Additionally, the assay was unaffected by 34 structurally-similar, potentially interfering substances tested at high clinical concentrations. The applicability of the assay was demonstrated by assessing the reference intervals of authentic saliva samples from healthy adult males, pre- and post-menopausal females. The easy sample preparation, fast LC and multi-analyte MS/MS detection utilizing noninvasive saliva as a specimen delivers a simple, practical, sensitive and accurate tool suitable for the high throughput measurement of E1, E2 and E3 in clinical laboratories.
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Affiliation(s)
| | - Shu Li
- Pharmasan Labs, Inc., 373 280th Street, Osceola, WI 54020, USA
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Li XS, Li S, Ahrens M, Kellermann G. Integration of Miniaturized Solid Phase Extraction and LC-MS/MS Detection of 3-Nitrotyrosine in Human Urine for Clinical Applications. J Vis Exp 2017. [PMID: 28745631 DOI: 10.3791/55778] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Free 3-nitrotyrosine (3-NT) has been extensively used as a possible biomarker for oxidative stress. Increased levels of 3-NT have been reported in a wide variety of pathological conditions. However, existing methods lack the sufficient sensitivity and/or specificity necessary to measure the low endogenous level of 3-NT reliably and are too cumbersome for clinical applications. Hence, analytical improvement is urgently needed to accurately quantify the levels of 3-NT and verify the role of 3-NT in pathological conditions. This protocol presents the development of a novel liquid chromatography tandem mass spectrometry (LC-MS/MS) detection combined with a miniaturized solid phase extraction (SPE) for the rapid and accurate measurement of 3-NT in human urine as a non-invasive biomarker for oxidative stress. SPE using a 96-well plate markedly simplified the process by combining sample cleanup and analyte enrichment without tedious derivatization and evaporation steps, reducing solvent consumption, waste disposal, risk of contamination and overall processing time. The employment of 25 mM ammonium acetate (NH4OAc) at pH 9 as the SPE elution solution substantially enhanced the selectivity. Mass spectrometry signal response was improved through adjustment of the multiple reaction monitoring (MRM) transitions. Use of 0.01% HCOOH as additive on a pentafluorophenyl (PFP) column (150 mm x 2.1 mm, 3 µm) improved signal response another 2.5-fold and shortened the overall run time to 7 min. A lower limit of quantitation (LLOQ) of 10 pg/mL (0.044 nM) was achieved, representing a significant sensitivity improvement over the reported assays. This simplified, rapid, selective and sensitive method allows two plates of urine samples (n = 192) to be processed in a 24 h time-period. Considering the markedly improved analytical performance, and non-invasive and inexpensive urine sampling, the proposed assay is beneficial for pre-clinical and clinical studies.
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Application of carbon nanosorbent for PRiME pass-through cleanup of 10 selected local anesthetic drugs in human plasma samples. Anal Chim Acta 2017; 960:72-80. [DOI: 10.1016/j.aca.2017.01.033] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 01/20/2017] [Accepted: 01/26/2017] [Indexed: 01/07/2023]
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Simultaneous extraction and determination of monoamine neurotransmitters in human urine for clinical routine testing based on a dual functional solid phase extraction assisted by phenylboronic acid coupled with liquid chromatography-tandem mass spectrometry. Anal Bioanal Chem 2017; 409:2859-2871. [DOI: 10.1007/s00216-017-0231-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Revised: 01/19/2017] [Accepted: 01/26/2017] [Indexed: 01/06/2023]
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Pre-analytical and analytical validations and clinical applications of a miniaturized, simple and cost-effective solid phase extraction combined with LC-MS/MS for the simultaneous determination of catecholamines and metanephrines in spot urine samples. Talanta 2016; 159:238-247. [PMID: 27474304 DOI: 10.1016/j.talanta.2016.06.032] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Revised: 06/14/2016] [Accepted: 06/15/2016] [Indexed: 11/22/2022]
Abstract
It remains a challenge to simultaneously quantify catecholamines and metanephrines in a simple, sensitive and cost-effective manner due to pre-analytical and analytical constraints. Herein, we describe such a method consisting of a miniaturized sample preparation and selective LC-MS/MS detection by the use of second morning spot urine samples. Ten microliters of second morning urine sample were subjected to solid phase extraction on an Oasis HLB microplate upon complexation with phenylboronic acid. The analytes were well-resolved on a Luna PFP column followed by tandem mass spectrometric detection. Full validation and suitability of spot urine sampling and biological variation were investigated. The extraction recovery and matrix effect are 74.1-97.3% and 84.1-119.0%, respectively. The linearity range is 2.5-500, 0.5-500, 2.5-1250, 2.5-1250 and 0.5-1250ng/mL for norepinephrine, epinephrine, dopamine, normetanephrine and metanephrine, respectively. The intra- and inter-assay imprecisions are ≤9.4% for spiked quality control samples, and the respective recoveries are 97.2-112.5% and 95.9-104.0%. The Deming regression slope is 0.90-1.08, and the mean Bland-Altman percentage difference is from -3.29 to 11.85 between a published and proposed method (n=50). A correlation observed for the spot and 24h urine collections is significant (n=20, p<0.0001, r: 0.84-0.95, slope: 0.61-0.98). No statistical differences are found in day-to-day biological variability (n=20). Reference intervals are established for an apparently healthy population (n=88). The developed method, being practical, sensitive, reliable and cost-effective, is expected to set a new stage for routine testing, basic research and clinical applications.
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