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Li S, Zhan M, Yan S, Xiao X. The Antifatigue Mechanism of Buyang-huanwu Decoction as Revealed by Serum Metabolomics in an Endurance Swimming Rat Model. J Med Food 2022; 25:1038-1049. [DOI: 10.1089/jmf.2022.k.0014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Affiliation(s)
- Shasha Li
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou Higher Education Mega Center, Guangzhou, China
| | - Min Zhan
- The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou Higher Education Mega Center, Guangzhou, China
- Institute of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, China
| | - Shikai Yan
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Xue Xiao
- Institute of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Center, Guangzhou, China
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Qin Z, Wang P, Duan S, Wan X, Xing H, Yang J, Zhang X, Yao Z, Yao X. Potential Determinants for Metabolic Fates and Inhibitory Effects of Isobavachalcone Involving in Human Cytochrome P450, UDP-Glucuronosyltransferase Enzymes, and Efflux Transporters. J Pharm Sci 2021; 110:2285-2294. [PMID: 33610566 DOI: 10.1016/j.xphs.2021.02.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 01/21/2021] [Accepted: 02/05/2021] [Indexed: 01/08/2023]
Abstract
Isobavachalcone, a naturally occurring chalcone in Psoralea corylifolia, posses many biological properties including anticancer, antiplatelet, and antifungal. However, its glucuronidation, glucuronides excretion, and drug-drug interaction (DDI) involving in human cytochrome P450 (CYP), UDP-glucuronosyltransferase (UGT) enzymes, and efflux transporters (BCRP and MRPs) remains unclear so far. After incubation, three glucuronides were produced by HLM and HIM with total intrinsic clearance (CLint) of 236.71 and 323.40 μL/min/mg, respectively. Reaction phenotyping proved UGT1A1, 1A3, 1A7, 1A8, and 1A9 played important roles in glucuronidation with total CLint values of 62.69-143.00 μL/min/mg. Activity correlation analysis indicated UGT1A1 and UGT1A3 participated more in the glucuronidation. In addition, the glucuronidation showed marked species differences, and rabbits and dogs were probably appropriate model animals to investigate the in vivo glucuronidation. Furthermore, BCRP, MRP1, and MRP4 transporters were identified as the most important contributors to glucuronides excretion in HeLa1A1 cells based on gene silencing method. Moreover, isobavachalcone demonstrated broad-spectrum inhibitory effects against CYP2B6, CYP2C9, CYP2C19, CYP2D6, CYP2E1, UGT1A1, UGT1A9, UGT2B7 with IC50 values of 1.08-9.78 μM. Except CYP2B6 and CYP2D6, the calculated [I]/Ki values for other enzymes were all greater than 0.1, indicating the inhibition of systemic metabolism or elimination for these enzyme substrates seems likely. Taken together, we summarized metabolic fates of isobavachalcone including glucuronidation and efflux transport as well as inhibitory effects involving in human CYP and UGT enzymes.
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Affiliation(s)
- Zifei Qin
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
| | - Peile Wang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
| | - Shuyi Duan
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiaoying Wan
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Han Xing
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China.
| | - Jing Yang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
| | - Xiaojian Zhang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China; Henan Key Laboratory of Precision Clinical Pharmacy, Zhengzhou University, Zhengzhou, China
| | - Zhihong Yao
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development Ministry of PR China, Jinan University, Guangzhou, China; College of Pharmacy, Jinan University, Guangzhou, China.
| | - Xinsheng Yao
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development Ministry of PR China, Jinan University, Guangzhou, China; College of Pharmacy, Jinan University, Guangzhou, China
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den Braver-Sewradj SP, den Braver MW, Baze A, Decorde J, Fonsi M, Bachellier P, Vermeulen NPE, Commandeur JNM, Richert L, Vos JC. Direct comparison of UDP-glucuronosyltransferase and cytochrome P450 activities in human liver microsomes, plated and suspended primary human hepatocytes from five liver donors. Eur J Pharm Sci 2017; 109:96-110. [PMID: 28778465 DOI: 10.1016/j.ejps.2017.07.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 07/27/2017] [Accepted: 07/28/2017] [Indexed: 11/26/2022]
Abstract
UDP-glucuronosyltransferases (UGTs) and cytochrome P450s (CYPs) are the major enzymes involved in hepatic metabolism of drugs. Hepatic drug metabolism is commonly investigated using human liver microsomes (HLM) or primary human hepatocytes (PHH). We describe the development of a sensitive assay to phenotype activities of six major hepatic UGT isoforms (UGT1A1, UGT1A3, UGT1A4, UGT1A6, UGT1A9 and UGT2B7) in intact PHH by analysis of glucuronidation of selective probe substrates. The non-selective, general substrate 7-hydroxycoumarin was included for comparison. For each liver donor preparation (five donors) UGT activities in cryopreserved suspended and plated PHH were compared to HLM prepared from the same donors. Standard CYP reaction phenotyping of seven major isoforms was performed in parallel. For all donors, CYP- and UGT-isoforms activity profiles were comparable in PHH and HLM, indicating that reaction phenotyping with selective probe substrates in intact cells primarily reflects respective CYP or UGT activity. System-dependent effects on UGT and CYP isoform activity were still found. While UGT activity of UGT1A1 was equivalent in plated and suspended PHH, UGT1A3, UGT1A6 and UGT2B7 activity was higher in suspended PHH and UGT1A9 and UGT1A4 activity was higher in plated PHH. The well-known decrease in activity of most CYP isoforms in plated compared to suspended PHH was confirmed. Importantly, we found a significant loss in CYP2C19 and CYP2B6 in HLM, activity being lower than in intact cells. Taken together, these findings implicate that, dependent on the UGT or CYP isoforms involved in the metabolism of a given compound, the outcome of metabolic assays is strongly dependent on the choice of the in vitro system. The currently described UGT- and CYP- activity profiling method can be used as a standard assay in intact cells and can especially aid in reaction phenotyping of in vitro systems for which a limited number of cells are available.
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Affiliation(s)
- Shalenie P den Braver-Sewradj
- AIMMS-Division of Molecular Toxicology, Department of Chemistry & Pharmaceutical Sciences, Vrije Universiteit Amsterdam, O
- 2 building, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Michiel W den Braver
- AIMMS-Division of Molecular Toxicology, Department of Chemistry & Pharmaceutical Sciences, Vrije Universiteit Amsterdam, O
- 2 building, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Audrey Baze
- Kaly-Cell, 20A Rue du Général Leclerc, Plobsheim, France; UNISTRA, 4 Rue Blaise Pascal, Strasbourg, France
| | | | | | - Philippe Bachellier
- UNISTRA, 4 Rue Blaise Pascal, Strasbourg, France; Centre de Chirurgie Viscérale et de Transplantation, Hôpital de Hautepierre, 67098 Strasbourg, France
| | - Nico P E Vermeulen
- AIMMS-Division of Molecular Toxicology, Department of Chemistry & Pharmaceutical Sciences, Vrije Universiteit Amsterdam, O
- 2 building, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Jan N M Commandeur
- AIMMS-Division of Molecular Toxicology, Department of Chemistry & Pharmaceutical Sciences, Vrije Universiteit Amsterdam, O
- 2 building, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Lysiane Richert
- Kaly-Cell, 20A Rue du Général Leclerc, Plobsheim, France; PEPITE EA4267, Univ. Bourgogne Franche-Comté, F-25000 Besançon, France.
| | - J Chris Vos
- AIMMS-Division of Molecular Toxicology, Department of Chemistry & Pharmaceutical Sciences, Vrije Universiteit Amsterdam, O
- 2 building, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands.
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Chedik L, Bruyere A, Le Vee M, Stieger B, Denizot C, Parmentier Y, Potin S, Fardel O. Inhibition of Human Drug Transporter Activities by the Pyrethroid Pesticides Allethrin and Tetramethrin. PLoS One 2017; 12:e0169480. [PMID: 28099443 PMCID: PMC5242521 DOI: 10.1371/journal.pone.0169480] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2016] [Accepted: 12/16/2016] [Indexed: 12/11/2022] Open
Abstract
Pyrethroids are widely-used chemical insecticides, to which humans are commonly exposed, and known to alter functional expression of drug metabolizing enzymes. Limited data have additionally suggested that drug transporters, that constitute key-actors of the drug detoxification system, may also be targeted by pyrethroids. The present study was therefore designed to analyze the potential regulatory effects of these pesticides towards activities of main ATP-binding cassette (ABC) and solute carrier (SLC) drug transporters, using transporter-overexpressing cells. The pyrethroids allethrin and tetramethrin were found to inhibit various ABC and SLC drug transporters, including multidrug resistance-associated protein (MRP) 2, breast cancer resistance protein (BCRP), organic anion transporter polypeptide (OATP) 1B1, organic anion transporter (OAT) 3, multidrug and toxin extrusion transporter (MATE) 1, organic cation transporter (OCT) 1 and OCT2, with IC50 values however ranging from 2.6 μM (OCT1 inhibition by allethrin) to 77.6 μM (OAT3 inhibition by tetramethrin) and thus much higher than pyrethroid concentrations (in the nM range) reached in environmentally pyrethroid-exposed humans. By contrast, allethrin and tetramethrin cis-stimulated OATP2B1 activity and failed to alter activities of OATP1B3, OAT1 and MATE2-K, whereas P-glycoprotein activity was additionally moderately inhibited. Twelve other pyrethoids used at 100 μM did not block activities of the various investigated transporters, or only moderately inhibited some of them (inhibition by less than 50%). In silico analysis of structure-activity relationships next revealed that molecular parameters, including molecular weight and lipophilicity, are associated with transporter inhibition by allethrin/tetramethrin and successfully predicted transporter inhibition by the pyrethroids imiprothrin and prallethrin. Taken together, these data fully demonstrated that two pyrethoids, i.e., allethrin and tetramethrin, can act as regulators of the activity of various ABC and SLC drug transporters, but only when used at high and non-relevant concentrations, making unlikely any contribution of these transporter activity alterations to pyrethroid toxicity in environmentally exposed humans.
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Affiliation(s)
- Lisa Chedik
- Institut de Recherches en Santé, Environnement et Travail (IRSET), UMR INSERM U1085, Faculté de Pharmacie, 2 Avenue du Pr Léon Bernard, Rennes, France
- Pôle Pharmacie, Centre Hospitalier Universitaire, 2 rue Henri Le Guilloux, Rennes, France
| | - Arnaud Bruyere
- Institut de Recherches en Santé, Environnement et Travail (IRSET), UMR INSERM U1085, Faculté de Pharmacie, 2 Avenue du Pr Léon Bernard, Rennes, France
| | - Marc Le Vee
- Institut de Recherches en Santé, Environnement et Travail (IRSET), UMR INSERM U1085, Faculté de Pharmacie, 2 Avenue du Pr Léon Bernard, Rennes, France
| | - Bruno Stieger
- Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, University of Zurich, Rämistrasse 100, Zurich, Switzerland
| | - Claire Denizot
- Centre de Pharmacocinétique, Technologie Servier, 25–27 rue Eugène Vignat, Orléans, France
| | - Yannick Parmentier
- Centre de Pharmacocinétique, Technologie Servier, 25–27 rue Eugène Vignat, Orléans, France
| | - Sophie Potin
- Institut de Recherches en Santé, Environnement et Travail (IRSET), UMR INSERM U1085, Faculté de Pharmacie, 2 Avenue du Pr Léon Bernard, Rennes, France
- Pôle Pharmacie, Centre Hospitalier Universitaire, 2 rue Henri Le Guilloux, Rennes, France
| | - Olivier Fardel
- Institut de Recherches en Santé, Environnement et Travail (IRSET), UMR INSERM U1085, Faculté de Pharmacie, 2 Avenue du Pr Léon Bernard, Rennes, France
- Pôle Biologie, Centre Hospitalier Universitaire, 2 rue Henri Le Guilloux, Rennes, France
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Jani M, Krajcsi P. In vitro methods in drug transporter interaction assessment. DRUG DISCOVERY TODAY. TECHNOLOGIES 2015; 12:e105-12. [PMID: 25027368 DOI: 10.1016/j.ddtec.2014.03.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Drug transporter proteins recruit to pharmacological barrier tissues and profoundly affect the ADME properties of a large number of drugs. In vitro assays optimized for drug transporters have grown into routine tools in the determination of molecular level interactions as well as prediction of barrier penetration and system level pharmacokinetics. Regulatory position mandates increasing interest in the application of these assays during drug development.
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Davenport JM, Covington P, Bonifacio L, McIntyre G, Venitz J. Effect of uptake transporters OAT3 and OATP1B1 and efflux transporter MRP2 on the pharmacokinetics of eluxadoline. J Clin Pharmacol 2015; 55:534-42. [PMID: 25491493 PMCID: PMC4402028 DOI: 10.1002/jcph.442] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Accepted: 11/30/2014] [Indexed: 12/28/2022]
Abstract
The effects of OATP1B1, OAT3, and MRP2 on the pharmacokinetics of eluxadoline, an oral, locally active, opioid receptor agonist/antagonist being developed for treatment of IBS-d were assessed in vivo. Coadministration of a single 200 mg dose of eluxadoline with cyclosporine, and probenecid increased eluxadoline systemic exposure [AUC(0-inf) ] by 4.4- and 1.4-fold, respectively, whereas peak exposure (Cmax ) increased 6.2-fold and 1.3-fold, respectively. Cyclosporine had little effect on renal clearance (CLren ) of eluxadoline whereas probenecid reduced CLren by nearly 50%. These study results suggested that sinusoidal OATP1B1-mediated hepatic uptake of eluxadoline (during first-pass and systemic extraction) plays a major role in its absorption and disposition, whereas OAT3-mediated basolateral uptake in the proximal renal tubules and MRP2-mediated canalicular and renal tubular apical efflux play only minor roles in its overall disposition. All treatments were safe and well tolerated.
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Vildhede A, Karlgren M, Svedberg EK, Wisniewski JR, Lai Y, Norén A, Artursson P. Hepatic uptake of atorvastatin: influence of variability in transporter expression on uptake clearance and drug-drug interactions. Drug Metab Dispos 2014; 42:1210-8. [PMID: 24799396 DOI: 10.1124/dmd.113.056309] [Citation(s) in RCA: 90] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Differences in the expression and function of the organic anion transporting polypeptide (OATP) transporters contribute to interindividual variability in atorvastatin clearance. However, the importance of the bile acid transporter sodium taurocholate cotransporting polypeptide (NTCP, SLC10A1) in atorvastatin uptake clearance (CLupt) is not yet clarified. To elucidate this issue, we investigated the relative contribution of NTCP, OATP1B1, OATP1B3, and OATP2B1 to atorvastatin CLupt in 12 human liver samples. The impact of inhibition on atorvastatin CLupt was also studied, using inhibitors of different isoform specificities. Expression levels of the four transport proteins were quantified by liquid chromatography tandem mass spectrometry. These data, together with atorvastatin in vitro kinetics, were used to predict the maximal transport activity (MTA) and interindividual differences in CLupt of each transporter in vivo. Subsequently, hepatic uptake impairment on coadministration of five clinically interacting drugs was predicted using in vitro inhibitory potencies. NTCP and OATP protein expression varied 3.7- to 32-fold among the 12 sample donors. The rank order in expression was OATP1B1 > OATP1B3 ≈ NTCP ≈ OATP2B1. NTCP was found to be of minor importance in atorvastatin disposition. Instead, OATP1B1 and OATP1B3 were confirmed as the major atorvastatin uptake transporters. The average contribution to atorvastatin uptake was OATP1B1 > OATP1B3 >> OATP2B1 > NTCP, although this rank order varied among individuals. The interindividual differences in transporter expression and CLupt resulted in marked differences in drug-drug interactions due to isoform-specific inhibition. We conclude that this variation should be considered in in vitro to in vivo extrapolations.
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Affiliation(s)
- Anna Vildhede
- Department of Pharmacy, Uppsala University, Uppsala, Sweden (A.V., M.K., E.K.S., P.A.); Uppsala University Drug Optimization and Pharmaceutical Profiling Platform (UDOPP), Chemical Biology Consortium Sweden (M.K., P.A.), Uppsala, Sweden; Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany (J.R.W.); Pharmacokinetics, Dynamics and Drug Metabolism, Pfizer Global Research and Development, Pfizer Inc., Groton, Connecticut (Y.L.); and Department of Surgery, Uppsala University, Uppsala, Sweden (A.N.)
| | - Maria Karlgren
- Department of Pharmacy, Uppsala University, Uppsala, Sweden (A.V., M.K., E.K.S., P.A.); Uppsala University Drug Optimization and Pharmaceutical Profiling Platform (UDOPP), Chemical Biology Consortium Sweden (M.K., P.A.), Uppsala, Sweden; Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany (J.R.W.); Pharmacokinetics, Dynamics and Drug Metabolism, Pfizer Global Research and Development, Pfizer Inc., Groton, Connecticut (Y.L.); and Department of Surgery, Uppsala University, Uppsala, Sweden (A.N.)
| | - Elin K Svedberg
- Department of Pharmacy, Uppsala University, Uppsala, Sweden (A.V., M.K., E.K.S., P.A.); Uppsala University Drug Optimization and Pharmaceutical Profiling Platform (UDOPP), Chemical Biology Consortium Sweden (M.K., P.A.), Uppsala, Sweden; Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany (J.R.W.); Pharmacokinetics, Dynamics and Drug Metabolism, Pfizer Global Research and Development, Pfizer Inc., Groton, Connecticut (Y.L.); and Department of Surgery, Uppsala University, Uppsala, Sweden (A.N.)
| | - Jacek R Wisniewski
- Department of Pharmacy, Uppsala University, Uppsala, Sweden (A.V., M.K., E.K.S., P.A.); Uppsala University Drug Optimization and Pharmaceutical Profiling Platform (UDOPP), Chemical Biology Consortium Sweden (M.K., P.A.), Uppsala, Sweden; Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany (J.R.W.); Pharmacokinetics, Dynamics and Drug Metabolism, Pfizer Global Research and Development, Pfizer Inc., Groton, Connecticut (Y.L.); and Department of Surgery, Uppsala University, Uppsala, Sweden (A.N.)
| | - Yurong Lai
- Department of Pharmacy, Uppsala University, Uppsala, Sweden (A.V., M.K., E.K.S., P.A.); Uppsala University Drug Optimization and Pharmaceutical Profiling Platform (UDOPP), Chemical Biology Consortium Sweden (M.K., P.A.), Uppsala, Sweden; Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany (J.R.W.); Pharmacokinetics, Dynamics and Drug Metabolism, Pfizer Global Research and Development, Pfizer Inc., Groton, Connecticut (Y.L.); and Department of Surgery, Uppsala University, Uppsala, Sweden (A.N.)
| | - Agneta Norén
- Department of Pharmacy, Uppsala University, Uppsala, Sweden (A.V., M.K., E.K.S., P.A.); Uppsala University Drug Optimization and Pharmaceutical Profiling Platform (UDOPP), Chemical Biology Consortium Sweden (M.K., P.A.), Uppsala, Sweden; Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany (J.R.W.); Pharmacokinetics, Dynamics and Drug Metabolism, Pfizer Global Research and Development, Pfizer Inc., Groton, Connecticut (Y.L.); and Department of Surgery, Uppsala University, Uppsala, Sweden (A.N.)
| | - Per Artursson
- Department of Pharmacy, Uppsala University, Uppsala, Sweden (A.V., M.K., E.K.S., P.A.); Uppsala University Drug Optimization and Pharmaceutical Profiling Platform (UDOPP), Chemical Biology Consortium Sweden (M.K., P.A.), Uppsala, Sweden; Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, Martinsried, Germany (J.R.W.); Pharmacokinetics, Dynamics and Drug Metabolism, Pfizer Global Research and Development, Pfizer Inc., Groton, Connecticut (Y.L.); and Department of Surgery, Uppsala University, Uppsala, Sweden (A.N.)
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Pfeifer ND, Hardwick RN, Brouwer KLR. Role of hepatic efflux transporters in regulating systemic and hepatocyte exposure to xenobiotics. Annu Rev Pharmacol Toxicol 2013; 54:509-35. [PMID: 24160696 DOI: 10.1146/annurev-pharmtox-011613-140021] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Hepatic efflux transporters include numerous well-known and emerging proteins localized to the canalicular or basolateral membrane of the hepatocyte that are responsible for the excretion of drugs into the bile or blood, respectively. Altered function of hepatic efflux transporters due to drug-drug interactions, genetic variation, and/or disease states may lead to changes in xenobiotic exposure in the hepatocyte and/or systemic circulation. This review focuses on transport proteins involved in the hepatocellular efflux of drugs and metabolites, discusses mechanisms of altered transporter function as well as the interplay between multiple transport pathways, and highlights the importance of considering intracellular unbound concentrations of transporter substrates and/or inhibitors. Methods to evaluate hepatic efflux transport and predict the effects of impaired transporter function on systemic and hepatocyte exposure are discussed, and the sandwich-cultured hepatocyte model to evaluate comprehensively the role of hepatic efflux in the hepatobiliary disposition of xenobiotics is characterized.
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Affiliation(s)
- Nathan D Pfeifer
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599; ,
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Nakanishi T, Ikenaga M, Fukuda H, Matsunaga N, Tamai I. Application of quantitative time-lapse imaging (QTLI) for evaluation of Mrp2-based drug–drug interaction induced by liver metabolites. Toxicol Appl Pharmacol 2012; 263:244-50. [DOI: 10.1016/j.taap.2012.06.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2012] [Revised: 06/01/2012] [Accepted: 06/25/2012] [Indexed: 12/17/2022]
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Yi HJ, Oh JH, Lee YJ. Absence of drug interaction between Hwang-Ryun-Hae-Dok-Tang and Phenolsulfonphthalein. Arch Pharm Res 2010; 33:2025-31. [DOI: 10.1007/s12272-010-1219-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2010] [Accepted: 10/17/2010] [Indexed: 11/28/2022]
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