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Naguib IA, Majed M, Albogami M, Alshehri M, Bukhari A, Alshabani H, Alsalahat I, Abd-ElSalam HAH. Greenness Assessment of HPLC Analytical Methods with Common Detectors for Assay of Paracetamol and Related Materials in Drug Products and Biological Fluids. SEPARATIONS 2023; 10:283. [DOI: 10.3390/separations10050283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023] Open
Abstract
Paracetamol is one of the most widely consumed analgesic and antipyretic medications worldwide. It is frequently analyzed in many quality control (QC) laboratories in pharmaceutical companies, either in raw materials or drug products. It was reported that paracetamol self-toxicity often occurs, leading to the frequent analysis of paracetamol in toxicological centers in biological fluids. Green analytical chemistry (GAC) is growing to be a global philosophy; therefore, the high frequency of paracetamol analysis poses potential concerns. Chromatographic analytical methods used for the daily analysis of paracetamol could be a potential risk to the environment or the health of the analysts if not thoroughly considered. The presented study aims to establish greenness assessments of nine HPLC methods used to assay paracetamol in raw materials and drug products and twenty-one HPLC methods. The reason for selecting HPLC methods of analysis to be the core of the study is the known reproducibility, reliability and availability in most QC laboratories. The most commonly used metric systems for greenness evaluation are the Analytical GREEnness (AGREE), the eco-scale assessment (ESA) and the national environmental methods index (NEMI) which have been used in this comparative study. The greenest chromatographic method for the analysis of paracetamol in raw materials and drug products was introduced by Rao et al. (the obtained scores were ESA = 76 and AGREE = 0.62, while the greenest chromatographic method for the analysis of paracetamol in biological fluids was proposed by Modick et al.). The obtained scores were ESA = 85 and AGREE = 0.7. The NEMI tool proved to have limited performance compared to other metric systems, hence it could not be used alone. Accordingly, the collaboration of NEMI results with ESA and AGREE for greenness assessment is highly recommended to reach appropriate conclusions.
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Affiliation(s)
- Ibrahim A. Naguib
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Meral Majed
- College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Maram Albogami
- College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Maram Alshehri
- College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Aseel Bukhari
- College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Hadeel Alshabani
- College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Izzeddin Alsalahat
- UK Dementia Research Institute Cardiff, School of Medicine, Cardiff University, Cardiff CF24 1TP, UK
| | - Heba-Alla H. Abd-ElSalam
- Pharmaceutical Chemistry Department, Faculty of Pharmacy & Drug Technology, Egyptian Chinese University, Cairo 11786, Egypt
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Arzuk E, Turna B, Sözbilen M, Orhan H. Inter-individual and inter-organ variability in the bioactivation of paracetamol by human liver and kidney tissues. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2018; 61:8-17. [PMID: 29803978 DOI: 10.1016/j.etap.2018.05.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 05/19/2018] [Accepted: 05/22/2018] [Indexed: 06/08/2023]
Abstract
Paracetamol (PAR) overdose is associated with massive hepatic injury; it may induce kidney toxicity as well. It is essential to measure organ-specific activities of related CYPs for evaluating the overdose cases. Available HPLC-based methods require high amounts of tissue samples. In order to develop liquid chromatography mass spectrometry (LC-MS)-based methods to process small amounts of human tissues, liver and kidney samples were obtained. Individual microsomes were prepared and incubated with PAR (for quantifying bioactivation), with nifedipine (for measuring CYP3A4 activity) and with p-nitrophenol (for measuring CYP2E1 activity). The small amount of tissue microsomes was sufficient to measure both the formation of NAPQI and the activities of CYP enzymes. Although the sample size in group was relatively low, both NAPQI formation and activity of CYP2E1 were significantly higher in males compared to females in kidney. Considerable variations in the metabolic capacity of individuals were observed for both organs.
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Affiliation(s)
- Ege Arzuk
- Department of Toxicology, Faculty of Pharmacy, Ege University, 35100, Bornova, İzmir, Turkey
| | - Burak Turna
- Department of Urology, Faculty of Medicine, Ege University, 35100, Bornova, İzmir, Turkey
| | - Murat Sözbilen
- Department of General Surgery, Faculty of Medicine, Ege University, 35100, Bornova, İzmir, Turkey
| | - Hilmi Orhan
- Department of Toxicology, Faculty of Pharmacy, Ege University, 35100, Bornova, İzmir, Turkey.
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More SS, Nugent J, Vartak AP, Nye SM, Vince R. Hepatoprotective Effect of ψ-Glutathione in a Murine Model of Acetaminophen-Induced Liver Toxicity. Chem Res Toxicol 2017; 30:777-784. [DOI: 10.1021/acs.chemrestox.6b00291] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Swati S. More
- Center for Drug Design, Academic
Health Center, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Jaime Nugent
- Center for Drug Design, Academic
Health Center, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Ashish P. Vartak
- Center for Drug Design, Academic
Health Center, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Steffan M. Nye
- Center for Drug Design, Academic
Health Center, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Robert Vince
- Center for Drug Design, Academic
Health Center, University of Minnesota, Minneapolis, Minnesota 55455, United States
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Methylenedioxy designer drugs: Mass spectrometric characterization of their glutathione conjugates by means of liquid chromatography-high-resolution mass spectrometry/mass spectrometry and studies on their glutathionyl transferase inhibition potency. Anal Chim Acta 2014; 822:37-50. [DOI: 10.1016/j.aca.2014.03.017] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2014] [Revised: 03/07/2014] [Accepted: 03/16/2014] [Indexed: 01/09/2023]
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Nýdlová E, Vrbová M, Cesla P, Jankovičová B, Ventura K, Roušar T. Comparison of inhibitory effects between acetaminophen-glutathione conjugate and reduced glutathione in human glutathione reductase. J Appl Toxicol 2013; 34:968-73. [PMID: 24038001 DOI: 10.1002/jat.2914] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 06/24/2013] [Accepted: 07/03/2013] [Indexed: 11/10/2022]
Abstract
Acetaminophen overdose is the most frequent cause of acute liver injury. The main mechanism of acetaminophen toxicity has been attributed to oxidation of acetaminophen. The oxidation product is very reactive and reacts with glutathione generating acetaminophen-glutathione conjugate (APAP-SG). Although this conjugate has been recognized to be generally nontoxic, we have found recently that APAP-SG could produce a toxic effect. Therefore, the aim of our study was to estimate the toxicity of purified APAP-SG by characterizing the inhibitory effect in human glutathione reductase (GR) and comparing that to the inhibitory effect of the natural inhibitor reduced glutathione. We used two types of human GR: recombinant and freshly purified from red blood cells. Our results show that GR was significantly inhibited in the presence of both APAP-SG and reduced glutathione. For example, the enzyme activity of recombinant and purified GR was reduced in the presence of 4 mm APAP-SG (with 0.5 mm glutathione disulfide) by 28% and 22%, respectively. The type of enzyme inhibition was observed to be competitive in the cases of both APAP-SG and glutathione. As glutathione inhibits GR activity in cells under physiological conditions, the rate of enzyme inhibition ought to be weaker in the case of glutathione depletion that is typical of acetaminophen overdose. Notably, however, enzyme activity likely remains inhibited due to the presence of APAP-SG, which might enhance the pro-oxidative status in the cell. We conclude that our finding could reflect some other pathological mechanism that may contribute to the toxicity of acetaminophen.
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Affiliation(s)
- Erika Nýdlová
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Pardubice, Czech Republic; Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Pardubice, Czech Republic
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Roušar T, Nýdlová E, Česla P, Staňková P, Kučera O, Pařík P, Červinková Z. Purified acetaminophen-glutathione conjugate is able to induce oxidative stress in rat liver mitochondria. Physiol Res 2013; 61:S103-9. [PMID: 23130894 DOI: 10.33549/physiolres.932427] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Acetaminophen overdose is the most often cause of acute liver injury. The toxic mechanism is linked to formation of an active metabolite that reacts with glutathione generating acetaminophen-glutathione conjugate (APAP-SG). This compound has been recognized to be non-toxic generally. Our preliminary results showed, however, that APAP-SG could possess a toxic effect too. Therefore, the aim of our study was to prepare, purify and to test possible toxicity of APAP-SG. We prepared APAP-SG using organic synthesis. The conjugate was purified by preparative HPLC and its structure was confirmed using mass spectrometry. Final purity of APAP-SG was >98 %. We estimated a toxic effect of APAP-SG in isolated rat liver mitochondria using a fluorescent ROS probe. We assessed ROS production in presence of complex I or complex II substrates. The increase of ROS-dependent fluorescence in presence of glutamate/malate was 104 ± 13 % and 130 ± 10 % in 1 mM and 5 mM APAP-SG, respectively, in comparison with controls. ROS production related to presence of complex II substrate was enhanced 4-times in APAP-SG (5 mM) treated mitochondria (compared to controls). We conclude, we proved our hypothesis that APAP-SG conjugate is able to induce a mitochondrial impairment leading to enhanced ROS production.
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Affiliation(s)
- T Roušar
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Pardubice, Czech Republic.
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Defoy D, Dansette PM, Neugebauer W, Wagner JR, Klarskov K. Evaluation of deuterium labeled and unlabeled bis-methyl glutathione combined with nanoliquid chromatography-mass spectrometry to screen and characterize reactive drug metabolites. Chem Res Toxicol 2011; 24:412-7. [PMID: 21375241 DOI: 10.1021/tx1003694] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We present a reactive metabolite detection assay based on the use of deuterium labeled/unlabeled bis-methyl glutathione (GSH) esters (GSH(CH(3)/CD(3))(2)) and nanoliquid chromatography coupled online with electrospray ionization tandem mass spectrometry (nLC-ESI-MS/MS). Compared with glutathione, neutralization of the carboxylic acid groups by esterification introduced a mass difference of 6, which facilitated the identification of trapped metabolites and improved the intensity of the mass spectrometry signal in positive ionization mode. The peptides allowed for the trapping of soft electrophilic reactive metabolites generated in vitro by incubation with acetaminophen, carbamazepine (CBZ), NADPH, and microsomes.
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Affiliation(s)
- Daniel Defoy
- Department of Pharmacology, Université de Sherbrooke, Sherbrooke, QC, Canada
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Triquigneaux M, Tuccio B, Lauricella R, Charles L. Nucleophile addition of reduced glutathione on 2-methyl-2-nitroso compound: a combined electron paramagnetic resonance spectroscopy and electrospray tandem mass spectrometry study. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2009; 20:2013-2020. [PMID: 19744863 DOI: 10.1016/j.jasms.2009.07.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2009] [Revised: 07/15/2009] [Accepted: 07/15/2009] [Indexed: 05/28/2023]
Abstract
Mass spectrometry (MS) was used in conjunction with electron paramagnetic resonance (EPR) to characterize products arising from reactions between reduced glutathione (GSH) and 2-methyl 2-nitroso propane (MNP) in an oxidative medium, to evaluate the reactivity of this tripeptide as a nucleophile toward a nitroso compound. Depending on the experimental conditions, different radical species could be detected by EPR, which allowed some structural assumptions. These samples were then submitted to electrospray ionization, in both positive and negative ion modes, for structural elucidation in tandem mass spectrometry. Although the primary nitroxide products could not be detected in MS, structurally related compounds such as hydroxylamine and O-methyl hydroxylamine could be fully characterized. In the absence of light, a S-adduct was formed via a Forrester-Hepburn reaction, that is, a nucleophile addition of MNP onto the thiol function in reduced glutathione to yield a hydroxylamine intermediate, further oxidized into nitroxide. In contrast, irradiating the reaction medium with visible light could allow an inverted spin trapping reaction to take place, involving the oxidation of both MNP and GSH before the nucleophilic addition of the sulfenic acid function onto the nitrogen of MNP, yielding a so-called O-adduct. It was also found that dilution of the reaction medium with methanol for the purpose of electrospray ionization could allow nitroxides to be indirectly observed either as hydroxylamine or O-methyl hydroxylamine species.
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Affiliation(s)
- Mathilde Triquigneaux
- Universités Aix-Marseille I, II & III-CNRS, UMR 6264: Laboratoire Chimie Provence, Spectrométries Appliquées à la Chimie Structurale, Marseille, France
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van Vugt-Lussenburg BMA, Damsten MC, Maasdijk DM, Vermeulen NPE, Commandeur JNM. Heterotropic and homotropic cooperativity by a drug-metabolising mutant of cytochrome P450 BM3. Biochem Biophys Res Commun 2006; 346:810-8. [PMID: 16777067 DOI: 10.1016/j.bbrc.2006.05.179] [Citation(s) in RCA: 85] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2006] [Accepted: 05/28/2006] [Indexed: 11/30/2022]
Abstract
Recently, we described a triple mutant of the bacterial cytochrome P450 BM3 as the first mutant with affinity for drug-like compounds. In this paper, we show that this mutant, but not wild-type BM3, is able to metabolise testosterone and several drug-like molecules such as amodiaquine, dextromethorphan, acetaminophen, and 3,4-methylenedioxymethylamphetamine that are known substrates of human P450s. Interestingly, the metabolism of 3,4-methylenedioxymethylamphetamine and acetaminophen could be stimulated up to 70-fold by the addition of caffeine, a known activator of rat P450 3A2. With testosterone metabolism, homotropic cooperativity was observed. This shows that heterotropic and homotropic cooperativity, known to occur in the P450 3A family, can also take place in BM3. BM3 therefore can be used as a model system to study atypical kinetics in mammalian P450s. Second, this study shows that BM3 can be engineered to a drug-metabolising enzyme, making it a promising candidate to use as biocatalyst in drug discovery and synthesis.
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Affiliation(s)
- Barbara M A van Vugt-Lussenburg
- LACDR/Division of Molecular Toxicology, Department of Pharmacochemistry, Vrije Universiteit, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
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Levsen K, Schiebel HM, Behnke B, Dötzer R, Dreher W, Elend M, Thiele H. Structure elucidation of phase II metabolites by tandem mass spectrometry: an overview. J Chromatogr A 2005; 1067:55-72. [PMID: 15844510 DOI: 10.1016/j.chroma.2004.08.165] [Citation(s) in RCA: 180] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
The present paper provides a summary of the collision-induced dissociation of protonated and deprotonated phase II metabolites of drugs and pesticides. This overview is based on published literature and unpublished data from the authors. In particular, glutathione conjugates and their biotransformation products are discussed in detail. In addition, the fragmentation of the major classes of conjugates, i.e. glucuronides, glucosides, malonylglucosides, sulfates, acetates, methyl and glycine conjugates, is reported. Collision-induced dissociation, as studied by tandem mass spectrometry, allows the rapid identification of the type of conjugate, whereas the exact conjugation site can in general be determined only by additional NMR experiments.
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Affiliation(s)
- Karsten Levsen
- Fraunhofer Institute of Toxicology and Experimental Medicine, Nikolai-Fuchs-Str 1, D 30625 Hannover, Germany.
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Castro-Perez J, Plumb R, Liang L, Yang E. A high-throughput liquid chromatography/tandem mass spectrometry method for screening glutathione conjugates using exact mass neutral loss acquisition. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2005; 19:798-804. [PMID: 15714601 DOI: 10.1002/rcm.1855] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Chemically reactive metabolites may cause hepatotoxicity and as a result liver failure or other adverse side reactions. Therefore, this is a vital topic of interest because early reactive metabolite screening may prevent compound failure at a later stage. In order to address this issue, a screening assay has been developed to detect the formation of reactive metabolites by using glutathione as a trapping reagent, which will allow us to search for phase I metabolites and also glutathiones during in vitro metabolite screening using liquid chromatography/tandem mass spectrometry (LC/MS/MS) with exact mass. Glutathione conjugations when fragmented by the mass spectrometer give a common loss corresponding to the pyroglutamic acid moiety, which can be monitored. Until recently, this work has been carried out with triple quadrupole technology using nominal mass. The advantage of the hybrid quadrupole time-of-flight mass spectrometer is the selectivity and sensitivity that can be achieved. Exact neutral loss detection is achieved via sequential low- and high-energy MS acquisitions. After detection of the loss of the pyroglutamic acid moiety, using a window of +/-20 mDa on the high-energy scan, MS/MS is carried out on the parent mass of interest to confirm the common neutral loss.
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Affiliation(s)
- Jose Castro-Perez
- Waters Corporation (MS Technology Center), Floats Road, Manchester M23 9LZ, UK.
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Hartman NR, Cysyk RL, Bruneau-Wack C, Thénot JP, Parker RJ, Strong JM. Production of intracellular 35S-glutathione by rat and human hepatocytes for the quantification of xenobiotic reactive intermediates. Chem Biol Interact 2002; 142:43-55. [PMID: 12399154 DOI: 10.1016/s0009-2797(02)00053-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The quantification and identification of xenobiotic reactive intermediates is difficult in the absence of highly radiolabeled drug. We have developed a method for identifying these intermediates by measuring the formation of adducts to intracellularly generated radiolabeled glutathione (GSH). Freshly isolated adherent rat and human hepatocytes were incubated overnight in methionine and cystine-free ('thio-free') medium. They were then exposed to 100 microM methionine and 10 microCi 35S-labeled methionine in otherwise thio-free medium to replete cellular GSH pools with intracellularly generated 35S-labeled GSH. After 3 h, acetaminophen was added as a test compound and the cells were incubated for an additional 24 h. Intracellular GSH and its specific activity were quantified after reaction with monobromobimane followed by HPLC analysis with fluorescence and radiochemical detection. Radiolabeled GSH was detectable at 3 h and maintained high specific activity and physiological concentrations for up to 24 h. Incubation medium from acetaminophen treated and nontreated hepatocytes were analyzed for radiolabeled peaks by HPLC using radiochemical detection. Radiolabeled peaks not present in nontreated hepatocytes were identified as acetaminophen GSH adducts by LC-MS. Formation of acetaminophen 35S-GSH adducts by rat hepatocytes containing endogenously synthesized 35S-GSH was increased with acetaminophen concentrations ranging from 500 to 2 mM.
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Affiliation(s)
- Neil R Hartman
- Laboratory of Clinical Pharmacology, Office of Testing and Research, Center for Drug Evaluation and Research, US Food and Drug Administration, Laurel, MD, USA
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Current literature in mass spectrometry. JOURNAL OF MASS SPECTROMETRY : JMS 2002; 37:234-240. [PMID: 11857770 DOI: 10.1002/jms.249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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