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Said R, Arafat B, Arafat T. Quantitation of thiorphan in human plasma using LC-MS/MS and its application to a bioequivalence study. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1243:124190. [PMID: 38941717 DOI: 10.1016/j.jchromb.2024.124190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 05/29/2024] [Accepted: 06/03/2024] [Indexed: 06/30/2024]
Abstract
Racecadotril, an anti-secretory medication, has been used as an adjuvant in an oral rehydration therapy for children experiencing severe diarrhea. Racecadotril is quickly converted to thiorphan, an active metabolite, after oral treatment, which mediates all subsequent activities. An efficient and rapid liquid chromatography-tandem mass spectrometry method was developed and fully validated to measure thiorphan in human plasma, using thiorphan-d7 as an internal standard. The extraction method used was protein precipitation while chromatographic separation was achieved using InertSil CN-3 (50 × 2.1 mm, 5 µm column). The assay was linear over the concentration range of 1-200 ng/ml with correlation coefficients of ≥0.9991. The intra- and inter-day precisions were less than 10.0 % for all concentrations investigated. 0.02 % aqueous formic acid and methanol (30:70 v: v) were used as mobile phases, with an analysis time of less than 1 min. This method proved stable under several conditions. The developed method worked well in a three-period pharmacokinetic bioequivalence study after a single oral administration of 100 mg racecadotril to 15 healthy Jordanian volunteers under fasting conditions.
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Affiliation(s)
- Rana Said
- Pharmacological and Diagnostic Research Centre (PDRC), Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan.
| | - Basel Arafat
- Faculty of Health, Education, Medicine, and Social Care, Anglia Ruskin University, UK
| | - Tawfiq Arafat
- Jordan Center for Pharmaceutical Research (JCPR), Amman, Jordan
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Yu S, Zou Y, Ma X, Wang D, Luo W, Tang Y, Mu D, Zhang R, Cheng X, Qiu L. Evolution of LC-MS/MS in clinical laboratories. Clin Chim Acta 2024; 555:117797. [PMID: 38280490 DOI: 10.1016/j.cca.2024.117797] [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: 12/12/2023] [Revised: 01/22/2024] [Accepted: 01/22/2024] [Indexed: 01/29/2024]
Abstract
Liquid chromatography-tandem mass spectrometry (LC-MS/MS) has attracted significant attention in clinical practice owing to its numerous advantages. However, the widespread adoption of this technique is hindered by certain limitations, such as inappropriate analyte selection, low levels of automation, and a lack of specific reference intervals and quality control programs. This review comprehensively summarizes the current challenges associated with LC-MS/MS and proposes potential resolutions. The principle of utility should guide the selection of biomarkers, prioritizing their practical value over sheer quantity. To achieve full-process automation, methodological innovation is crucial for developing high-throughput equipment. Establishing reference intervals for mass spectrometry-based assays across multiple centers and diverse populations is essential for accurate result interpretation. Additionally, the development of commercial quality control materials assumes pivotal importance in ensuring assay reliability and reproducibility. Harmonization and standardization efforts should focus on the development of reference methods and materials for the clinical use of LC-MS/MS. In the future, commercial assay kits and laboratory-developed tests (LDTs) are expected to coexist in clinical laboratories, each offering distinct advantages. The collaborative efforts of diverse professionals is vital for addressing the challenges associated with the clinical application of LC-MS/MS. The anticipated advancements include simplification, increased automation, intelligence, and the standardization of LC-MS/MS, ultimately facilitating its seamless integration into clinical routines for both technicians and clinicians.
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Affiliation(s)
- Songlin Yu
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Yutong Zou
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Xiaoli Ma
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Danchen Wang
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Wei Luo
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Yueming Tang
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Danni Mu
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Ruiping Zhang
- Department of Laboratory Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Xinqi Cheng
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China.
| | - Ling Qiu
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China.
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Zhou M, Li J, Du M, Wang J, Kaw HY, Zhu L, Wang W. Methoxylated Modification of Glutathione-Mediated Metabolism of Halobenzoquinones In Vivo and In Vitro. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:3581-3589. [PMID: 36802564 DOI: 10.1021/acs.est.2c06765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Xenobiotics were generally detoxified in organisms through interaction with endogenous molecules, which may also generate metabolites of increased toxicity. Halobenzoquinones (HBQs), a group of highly toxic emerging disinfection byproducts (DBPs), can be metabolized by reacting with glutathione (GSH) to form various glutathionylated conjugates (SG-HBQs). In this study, the cytotoxicity of HBQs in CHO-K1 cells showed a wavy curve as a function of increased GSH dosage, which was inconsistent with the commonly recognized progressive detoxification curve. We hypothesized that the formation and cytotoxicity of GSH-mediated HBQ metabolites contribute to the unusual wave-shaped cytotoxicity curve. Results showed that glutathionyl-methoxyl HBQs (SG-MeO-HBQs) were identified to be the primary metabolites significantly correlated with the unusual cytotoxicity variation of HBQs. The formation pathway was initiated by stepwise metabolism via hydroxylation and glutathionylation to produce detoxified hydroxyl HBQs (OH-HBQs) and SG-HBQs, followed by methylation to generate SG-MeO-HBQs of potentiated toxicity. To further verify the occurrence of the aforementioned metabolism in vivo, SG-HBQs and SG-MeO-HBQs were detected in the liver, kidney, spleen, testis, bladder, and feces of HBQ-exposed mice, with the highest concentration quantified in the liver. The present study supported that the co-occurrence of metabolism can be antagonistic, which enhanced our understanding of the toxicity and metabolic mechanism of HBQs.
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Affiliation(s)
- Meijiao Zhou
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou 310058, China
| | - Jinhua Li
- Department of Health Toxicology, School of Public Health, Jilin University, Changchun, Jilin, 130021, China
| | - Mine Du
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou 310058, China
| | - Jun Wang
- Department of Health Toxicology, School of Public Health, Jilin University, Changchun, Jilin, 130021, China
| | - Han Yeong Kaw
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou 310058, China
| | - Lizhong Zhu
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou 310058, China
| | - Wei Wang
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou 310058, China
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He Y, Miggiels P, Drouin N, Lindenburg PW, Wouters B, Hankemeier T. An automated online three-phase electro-extraction setup with machine-vision process monitoring hyphenated to LC-MS analysis. Anal Chim Acta 2022; 1235:340521. [DOI: 10.1016/j.aca.2022.340521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/07/2022] [Accepted: 10/12/2022] [Indexed: 11/29/2022]
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Development of a fast, online three-phase electroextraction hyphenated to fast liquid chromatography–mass spectrometry for analysis of trace-level acid pharmaceuticals in plasma. Anal Chim Acta 2022; 1192:339364. [DOI: 10.1016/j.aca.2021.339364] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 12/05/2021] [Accepted: 12/07/2021] [Indexed: 11/20/2022]
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He Y, Miggiels P, Wouters B, Drouin N, Guled F, Hankemeier T, Lindenburg PW. A high-throughput, ultrafast, and online three-phase electro-extraction method for analysis of trace level pharmaceuticals. Anal Chim Acta 2021; 1149:338204. [DOI: 10.1016/j.aca.2021.338204] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/29/2020] [Accepted: 01/04/2021] [Indexed: 12/24/2022]
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Xu RA, Xu ZS, Lin GY, Hu LF, Wang XQ, Ma JS. Effect of Repeated Wuniu Early Tea Administration on the CYP450 Activity Using a Cocktail Method. Indian J Pharm Sci 2013; 75:94-8. [PMID: 23901167 PMCID: PMC3719156 DOI: 10.4103/0250-474x.113536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2012] [Revised: 01/04/2013] [Accepted: 01/08/2013] [Indexed: 11/25/2022] Open
Abstract
Wuniu early tea (Camellia sinensis) is an important beverage consumed in China. Up to date, a lot of methods for identifying and chemical analysing have been done. However, there is no report on the effects of Wuniu early tea on cytochrome P450 isozymes. Therefore, the present objective of our study was to evaluate the potential effects of Wuniu early tea on cytochrome P450 isozymes P2C9, P1A2, P2C19 and P2B6 in rats with a cocktail approach including, matching probe drugs of tolbutamide, phenacetin, omeprazole and bupropion. These four probe drugs were simultaneously administered to rats after repeated Wuniu early tea administration. The pharmacokinetics of the probes in the plasma was simultaneous determined by high-performance liquid chromatography-mass spectrometry. The t1/2 and AUC(0-∞) of tolbutamide increased significantly and CLz decreased remarkably in test rats after repeated Wuniu early tea administration. However, the main pharmacokinetic parameters of the other three probe drugs were not significantly different between control and test rats. The findings in this study suggested that Wuniu early tea could inhibit cytochrome P2C9 while did not influence on cytochrome P1A2, cytochrome P2C19 and cytochrome P2B6.
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Affiliation(s)
- R A Xu
- The First Affiliated Hospital of Wenzhou Medical College, Wenzhou 325 035, China
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The most convenient and general approach for plasma sample clean-up: multifunction adsorption and supported liquid extraction. Bioanalysis 2012; 4:223-5. [DOI: 10.4155/bio.11.332] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Regulated bioanalytical laboratory automation: where we came from, where we are and where we are going. Bioanalysis 2011; 3:1415-8. [DOI: 10.4155/bio.11.149] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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10
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Fast liquid chromatography combined with mass spectrometry for the analysis of metabolites and proteins in human body fluids. Anal Bioanal Chem 2011; 399:2635-44. [PMID: 21253711 DOI: 10.1007/s00216-010-4595-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2010] [Revised: 12/10/2010] [Accepted: 12/12/2010] [Indexed: 10/18/2022]
Abstract
In the last decade various analytical strategies have been established to enhance separation speed and efficiency in high performance liquid chromatography applications. Chromatographic supports based on monolithic material, small porous particles, and porous layer beads have been developed and commercialized to improve throughput and separation efficiency. This paper provides an overview of current developments in fast chromatography combined with mass spectrometry for the analysis of metabolites and proteins in clinical applications. Advances and limitations of fast chromatography for the combination with mass spectrometry are discussed. Practical aspects of, recent developments in, and the present status of high-throughput analysis of human body fluids for therapeutic drug monitoring, toxicology, clinical metabolomics, and proteomics are presented.
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Shen JX, Merka EA, Dreyer DP, Clement RP, Hayes RN. Stereoselective quantitation of a serine protease inhibitor using LC-MS/MS at elevated column temperature. J Sep Sci 2008; 31:242-54. [DOI: 10.1002/jssc.200700401] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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12
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Chang MS, Ji Q, Zhang J, El-Shourbagy TA. Historical review of sample preparation for chromatographic bioanalysis: pros and cons. Drug Dev Res 2007. [DOI: 10.1002/ddr.20173] [Citation(s) in RCA: 95] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Yamamoto E, Igarashi H, Sato Y, Kushida I, Kato T, Kajima T, Asakawa N. Reliable on-line sample preparation of basic compounds from plasma using a reversed phase restricted access media in column-switching LC. J Pharm Biomed Anal 2006; 42:587-92. [PMID: 16828251 DOI: 10.1016/j.jpba.2006.05.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2006] [Revised: 05/22/2006] [Accepted: 05/27/2006] [Indexed: 11/22/2022]
Abstract
We investigated on-line sample preparation of basic compounds from plasma using a methylcellulose-immobilized reversed-phase restricted-access media in column-switching liquid chromatography (LC). Dilution of the plasma sample with phosphate buffered saline prevented or delayed the formation of fibrin clots at 4 degrees C and resulted in reproducible on-line sample preparation over a 30-h period. The use of an ion-pair reagent in the extraction LC enhanced recoveries of hydrophilic basic compounds. The ability of the methods to quantify compounds in plasma were validated and the method was successfully applied to the pharmacokinetic study of a hydrophilic basic compound injected into the bloodstream of rats.
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Affiliation(s)
- Eiichi Yamamoto
- Analytical Research Laboratories, Eisai Co. Ltd., 5-1-3 Tokodai, Tsukuba, Ibaraki 300-2635, Japan.
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