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Ito S, Lee W, Park JE, Yasunaga M, Mori A, Ohtsuki S, Sugiyama Y. Transient, Tunable Expression of NTCP and BSEP in MDCKII Cells for Kinetic Delineation of the Rate-Determining Process and Inhibitory Effects of Rifampicin in Hepatobiliary Transport of Taurocholate. J Pharm Sci 2020; 110:365-375. [PMID: 33159914 DOI: 10.1016/j.xphs.2020.10.064] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 10/14/2020] [Accepted: 10/30/2020] [Indexed: 11/16/2022]
Abstract
In predicting the hepatic elimination of compounds, the extended clearance concept has proven useful. Yet, its experimental proof was scarce partly due to the lack of models with the controlled expression of transporters. Here, the uptake and efflux transporters [NTCP (SLC10A1) and BSEP (ABCB11), respectively] were doubly and transiently expressed in MDCKII cells by electroporation-based transfection (with the BSEP plasmid amount varied and with the NTCP plasmid fixed), achieving the activity levels of NTCP and BSEP comparable to those of sandwich cultured human hepatocytes. The biliary excretion clearance for taurocholate increased proportionally to the BSEP expression level. Under the same conditions, the basal-to-apical transcellular clearance of taurocholate displayed an initial increase, and a subsequent plateau, indicating that the basolateral uptake of taurocholate became rate-limiting. The doubly transfected MDCKII cells were also used to kinetically analyze the inhibitory effects of rifampicin on BSEP and NTCP. The obtained results showed a bell-shaped profile for cell-to-medium concentration ratios over a range of rifampicin concentrations, which were quantitatively captured by kinetic modeling based on the extended clearance concept. The present study highlights the utility of the transient, tunable transporter expression system in delineating the rate-determining process and providing mechanistic insights into intracellular substrate accumulation.
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Affiliation(s)
- Sumito Ito
- GenoMembrane Co., Ltd, 2-3-18 Namamugi, Tsurumi-ku, Yokohama, Kanagawa 230-0052, Japan.
| | - Wooin Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Ji Eun Park
- Sugiyama Laboratory, RIKEN Baton Zone Program, RIKEN Cluster for Science, RIKEN, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan; Pharmacokinetics, Dynamics and Metabolism, Translational Medicine and Early Development, R&D, Sanofi K.K., 3 Chome-20-2, Nishishinjuku, Tokyo 160-0023, Japan
| | - Masa Yasunaga
- GenoMembrane Co., Ltd, 2-3-18 Namamugi, Tsurumi-ku, Yokohama, Kanagawa 230-0052, Japan
| | - Ayano Mori
- Department of Pharmaceutical Microbiology, School of Pharmacy, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan
| | - Sumio Ohtsuki
- Department of Pharmaceutical Microbiology, School of Pharmacy, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan; Department of Pharmaceutical Microbiology, Faculty of Life Sciences, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan
| | - Yuichi Sugiyama
- Sugiyama Laboratory, RIKEN Baton Zone Program, RIKEN Cluster for Science, RIKEN, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
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Lu X, Dong Y, Jian Z, Li Q, Gong L, Tang L, Zhou X, Liu M. Systematic Investigation of the Effects of Long-Term Administration of a High-Fat Diet on Drug Transporters in the Mouse Liver, Kidney and Intestine. Curr Drug Metab 2020; 20:742-755. [PMID: 31475894 DOI: 10.2174/1389200220666190902125435] [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: 04/30/2019] [Revised: 07/10/2019] [Accepted: 08/13/2019] [Indexed: 01/17/2023]
Abstract
BACKGROUND Long-term intake of a high-fat diet is a crucial factor contributing to obesity, which has become a global public health problem. Progressive obesity subsequently leads to hepatic injury, renal damage and intestinal atrophy. Transporters expressed in the liver, kidney and intestine play important roles in the deposition of nutrients and drugs, but researchers have not clearly determined whether/how the expression of transporters changes after long-term administration of a High-Fat Diet (HFD). This study aims to explore the effects of the long-term administration of a HFD on the expression of drug transporters in the liver, kidney and intestine in mice and to provide useful information for medical applications in the clinic. METHODS Male C57BL/6J mice were fed either a basal diet or HFD for 24 weeks, and oral glucose tolerance tests were performed after 3, 11 and 23 weeks. Serum was obtained to measure lipid metabolism, inflammatory mediators, renal function and hepatic function. Adipose tissues, kidney, pancreas and liver were collected for hematoxylin and eosin (H&E) staining after 4, 12 and 24 weeks. The mRNA and proteins expression of drug transporters in the liver, kidney and intestine were detected using real-time PCR and western blot, respectively. RESULTS Compared with the control group, long-term HFD administration significantly increased the adipose index. The serum lipid levels, including Total Cholesterol (TC), Triglyceride (TG), and Low-Density Lipoprotein Cholesterol (LDL-C), as well as the levels of the inflammatory cytokines Interleukin-10 (IL-10) and tumor necrosis factor-α (TNF-α) were significantly elevated in HFD-induced obese mice. H&E staining revealed pathological changes in the adipose cells, liver, kidney and pancreas from the obese group following the long-term administration of the HFD. The liver of the obese group presented increased mRNA expression of the efflux transporter Mrp2 and uptake transporter Oat2 at 24 weeks. The relative expression of Oat2 increased 4.08-fold and the protein expression of Oat2 was upregulated at 24 weeks in HFD-fed mice, while the mRNA expression of the uptake transporters Oct1, Oatp1b2 and Oatp1a4 decreased by 79%, 61% and 19%, respectively. The protein expression of Oct1 was significantly downregulated in obese mice at 12 weeks. The mRNA expression of the efflux transporter Mdr1a was significantly reduced in HFD-fed mice compared with the control group at 24 weeks. Western blot showed that the trend of protein level of Mdr1 was consistent with the mRNA expression. In the kidney, the level of the Oct2 mRNA increased 1.92- and 2.46-fold at 4 and 12 weeks in HFD-fed mice, respectively. The expression of the Oat1 and Oat3 mRNAs was markedly downregulated in the kidneys of mice with HFD-induced obesity at 4 weeks. The decrease of 72% and 21% in Mdr1a mRNA expression was observed in the obese model at 4 weeks and 12 weeks, respectively. Western blot showed that the protein levels of Mdr1 and Oat1 were consistent with the mRNA expression. The qPCR experiments showed a 2.87-fold increase in Bcrp mRNA expression at 24 weeks, and the expression of the Pept1 mRNA increased 2.84-fold in intestines of obese mice subjected to long-term administration of the HFD compared with control mice at 12 weeks. Western blot showed that the trend of protein levels of Mdr1 and Mrp2 were consistent with the mRNA expression. CONCLUSION The expression of uptake and efflux transporters mRNAs and protein levels were altered in obese mice compared with control mice, providing scientific evidence for future medical applications in the clinic.
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Affiliation(s)
- Xianyuan Lu
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Yaqian Dong
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Zhichao Jian
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Qingyun Li
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Linna Gong
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Lan Tang
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Xuefeng Zhou
- CAS Key Laboratory of Tropical Marine Bio-resources and Ecology, Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
| | - Menghua Liu
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, Guangdong, China
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Evaluation of Drug Biliary Excretion Using Sandwich-Cultured Human Hepatocytes. Eur J Drug Metab Pharmacokinet 2019; 44:13-30. [PMID: 30167999 DOI: 10.1007/s13318-018-0502-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Evaluation of hepatobiliary transport of drugs is an important challenge, notably during the development of new molecular identities. In this context, sandwich-cultured human hepatocytes (SCHH) have been proposed as an interesting and integrated tool for predicting in vitro biliary excretion of drugs. The present review was therefore designed to summarize key findings about SCHH, including their establishment, their main functional features and their use for the determination of canalicular transport and the prediction of in vivo biliary clearance and hepatobiliary excretion-related drug-drug interactions. Reviewed data highlight the fact that SCHH represent an original and probably unique holistic in vitro approach to predict biliary clearance in humans, through taking into account sinusoidal drug uptake, passive drug diffusion, drug metabolism and sinusoidal and canalicular drug efflux. Limits and proposed refinements for SCHH-based analysis of drug biliary excretion, as well as putative human alternative in vitro models to SCHH are also discussed.
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Kanda K, Takahashi R, Yoshikado T, Sugiyama Y. Total hepatocellular disposition profiling of rosuvastatin and pitavastatin in sandwich-cultured human hepatocytes. Drug Metab Pharmacokinet 2018; 33:164-172. [PMID: 29724614 DOI: 10.1016/j.dmpk.2018.04.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 03/14/2018] [Accepted: 04/03/2018] [Indexed: 11/30/2022]
Abstract
This study describes the total disposition profiling of rosuvastatin (RSV) and pitavastatin (PTV) using a single systematic procedure called D-PREX (Disposition Profile Exploration) in sandwich-cultured human hepatocytes (SCHH). The biliary excretion fractions of both statins were clearly observed, which were significantly decreased dependent on the concentration of Ko143, an inhibitor for breast cancer resistance protein (BCRP). Ko143 also decreased the basolateral efflux fraction of RSV, whereas that of PTV was not significantly affected. To understand these phenomena, effects of Ko143 on biliary excretion (BCRP and multidrug resistance-associated protein (MRP) 2) and basolateral efflux (MRP3 and MRP4) transporters were examined using transporter-expressing membrane vesicles. BCRP, MRP3 and MRP4-mediated transport of RSV was observed, and Ko143 inhibited these transporters except MRP3. BCRP and MRP4 also mediated the transport of PTV, but the Ko143-mediated inhibition was only clear for BCRP. These results might explain the Ko143-mediated complete and partial inhibition of the biliary excretion and the basolateral efflux of RSV, respectively, in SCHH. In conclusion, D-PREX with sequential sampling of supernatants prior to cell lysis enables the evaluation of total drug disposition profiles resulting from complex interplays of intracellular pathways, which would provide high-throughput evaluation of drug disposition during drug discovery.
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Affiliation(s)
- Katsuhiro Kanda
- Bio Systems Design Dept., Bio Analytical Systems Product Div., Hitachi High-Technologies Corporation, Ibaraki, Japan.
| | - Ryosuke Takahashi
- Center for Technology Innovation - Healthcare, Hitachi, Ltd., Tokyo, Japan
| | - Takashi Yoshikado
- Sugiyama Laboratory, RIKEN Innovation Center, RIKEN, Kanagawa, Japan
| | - Yuichi Sugiyama
- Sugiyama Laboratory, RIKEN Innovation Center, RIKEN, Kanagawa, Japan
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Asai A, Aihara E, Watson C, Mourya R, Mizuochi T, Shivakumar P, Phelan K, Mayhew C, Helmrath M, Takebe T, Wells J, Bezerra JA. Paracrine signals regulate human liver organoid maturation from induced pluripotent stem cells. Development 2017; 144:1056-1064. [PMID: 28275009 DOI: 10.1242/dev.142794] [Citation(s) in RCA: 86] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 02/01/2017] [Indexed: 12/17/2022]
Abstract
A self-organizing organoid model provides a new approach to study the mechanism of human liver organogenesis. Previous animal models documented that simultaneous paracrine signaling and cell-to-cell surface contact regulate hepatocyte differentiation. To dissect the relative contributions of the paracrine effects, we first established a liver organoid using human induced pluripotent stem cells (iPSCs), mesenchymal stem cells (MSCs) and human umbilical vein endothelial cells (HUVECs) as previously reported. Time-lapse imaging showed that hepatic-specified endoderm iPSCs (HE-iPSCs) self-assembled into three-dimensional organoids, resulting in hepatic gene induction. Progressive differentiation was demonstrated by hepatic protein production after in vivo organoid transplantation. To assess the paracrine contributions, we employed a Transwell system in which HE-iPSCs were separately co-cultured with MSCs and/or HUVECs. Although the three-dimensional structure did not form, their soluble factors induced a hepatocyte-like phenotype in HE-iPSCs, resulting in the expression of bile salt export pump. In conclusion, the mesoderm-derived paracrine signals promote hepatocyte maturation in liver organoids, but organoid self-organization requires cell-to-cell surface contact. Our in vitro model demonstrates a novel approach to identify developmental paracrine signals regulating the differentiation of human hepatocytes.
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Affiliation(s)
- Akihiro Asai
- Pediatric Liver Care Center, Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Eitaro Aihara
- Department of Molecular and Cellular Physiology, University of Cincinnati, Cincinnati, OH 45229, USA
| | - Carey Watson
- Division of Pediatric Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Reena Mourya
- Pediatric Liver Care Center, Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Tatsuki Mizuochi
- Pediatric Liver Care Center, Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Pranavkumar Shivakumar
- Pediatric Liver Care Center, Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Kieran Phelan
- Pediatric Liver Care Center, Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Christopher Mayhew
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Michael Helmrath
- Division of Pediatric Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Takanori Takebe
- Department of Regenerative Medicine, Yokohama City University, Yokohama, Kanagawa 236-0004, Japan
| | - James Wells
- Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Jorge A Bezerra
- Pediatric Liver Care Center, Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
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Palócz O, Farkas O, Clayton P, Csikó G. Changes in cytochrome P450 gene expression and enzyme activity induced by xenobiotics in rabbits in vivo and in vitro. WORLD RABBIT SCIENCE 2017. [DOI: 10.4995/wrs.2017.4574] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
As considerable inter-species differences exist in xenobiotic metabolism, developing new pharmaceutical therapies for use in different species is fraught with difficulties. For this reason, very few medicines have been registered for use in rabbits, despite their importance in inter alia meat and fur production. We have developed a rapid and sensitive screening system for drug safety in rabbits based on cytochrome P450 enzyme assays, specifically CYP1A1, CYP1A2 and CYP3A6, employing an adaptation of the luciferin-based clinical assay currently used in human drug screening. Short-term (4-h) cultured rabbit primary hepatocytes were treated with a cytochrome inducer (phenobarbital) and 2 inhibitors (alpha-naphthoflavone and ketoconazole). In parallel, and to provide verification, New Zealand white rabbits were dosed with 80 mg/kg phenobarbital or 40 mg/kg ketoconazole for 3 d. Ketoconazole significantly increased CYP3A6 gene expression and decreased CYP3A6 activity both in vitro and in vivo. CYP1A1 activity was decreased by ketoconazole in vitro and increased in vivo. This is the first report of the inducer effect of ketoconazole on rabbit cytochrome isoenzymes in vivo. Our data support the use of a luciferin-based assay in short-term primary hepatocytes as an appropriate tool for xenobiotic metabolism assays and short-term toxicity testing in rabbits.<p> </p>
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Drug Transporter Expression and Activity in Human Hepatoma HuH-7 Cells. Pharmaceutics 2016; 9:pharmaceutics9010003. [PMID: 28036031 PMCID: PMC5374369 DOI: 10.3390/pharmaceutics9010003] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Revised: 12/17/2016] [Accepted: 12/22/2016] [Indexed: 12/31/2022] Open
Abstract
Human hepatoma cells may represent a valuable alternative to the use of human hepatocytes for studying hepatic drug transporters, which is now a regulatory issue during drug development. In the present work, we have characterized hepatic drug transporter expression, activity and regulation in human hepatoma HuH-7 cells, in order to determine the potential relevance of these cells for drug transport assays. HuH-7 cells displayed notable multidrug resistance-associated protein (MRP) activity, presumed to reflect expression of various hepatic MRPs, including MRP2. By contrast, they failed to display functional activities of the uptake transporters sodium taurocholate co-transporting polypeptide (NTCP), organic anion-transporting polypeptides (OATPs) and organic cation transporter 1 (OCT1), and of the canalicular transporters P-glycoprotein and breast cancer resistance protein (BCRP). Concomitantly, mRNA expressions of various sinusoidal and canalicular hepatic drug transporters were not detected (NTCP, OATP1B1, organic anion transporter 2 (OAT2), OCT1 and bile salt export pump) or were found to be lower (OATP1B3, OATP2B1, multidrug and toxin extrusion protein 1, BCRP and MRP3) in hepatoma HuH-7 cells than those found in human hepatocytes, whereas other transporters such as OAT7, MRP4 and MRP5 were up-regulated. HuH-7 cells additionally exhibited farnesoid X receptor (FXR)- and nuclear factor erythroid 2-related factor 2 (Nrf2)-related up-regulation of some transporters. Such data indicate that HuH-7 cells, although expressing rather poorly some main hepatic drug transporters, may be useful for investigating interactions of drugs with MRPs, notably MRP2, and for studying FXR- or Nrf2-mediated gene regulation.
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Sandwich-Cultured Hepatocytes as a Tool to Study Drug Disposition and Drug-Induced Liver Injury. J Pharm Sci 2016; 105:443-459. [PMID: 26869411 DOI: 10.1016/j.xphs.2015.11.008] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Revised: 11/06/2015] [Accepted: 11/09/2015] [Indexed: 12/21/2022]
Abstract
Sandwich-cultured hepatocytes (SCH) are metabolically competent and have proper localization of basolateral and canalicular transporters with functional bile networks. Therefore, this cellular model is a unique tool that can be used to estimate biliary excretion of compounds. SCH have been used widely to assess hepatobiliary disposition of endogenous and exogenous compounds and metabolites. Mechanistic modeling based on SCH data enables estimation of metabolic and transporter-mediated clearances, which can be used to construct physiologically based pharmacokinetic models for prediction of drug disposition and drug-drug interactions in humans. In addition to pharmacokinetic studies, SCH also have been used to study cytotoxicity and perturbation of biological processes by drugs and hepatically generated metabolites. Human SCH can provide mechanistic insights underlying clinical drug-induced liver injury (DILI). In addition, data generated in SCH can be integrated into systems pharmacology models to predict potential DILI in humans. In this review, applications of SCH in studying hepatobiliary drug disposition and bile acid-mediated DILI are discussed. An example is presented to show how data generated in the SCH model were used to establish a quantitative relationship between intracellular bile acids and cytotoxicity, and how this information was incorporated into a systems pharmacology model for DILI prediction.
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Fardel O, Le Vee M, Jouan E, Denizot C, Parmentier Y. Nature and uses of fluorescent dyes for drug transporter studies. Expert Opin Drug Metab Toxicol 2015; 11:1233-51. [PMID: 26050735 DOI: 10.1517/17425255.2015.1053462] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Drug transporters are now recognized as major players involved in pharmacokinetics and toxicology. Methods for assessing their activity are important to consider, particularly owing to regulatory requirements with respect to inhibition of drug transporter activity and prediction of drug-drug interactions. In this context, the use of fluorescent-dye-based transport assays is likely to deserve attention. AREAS COVERED This review provides an overview of the nature of fluorescent dye substrates for ATP-binding cassette and solute carrier drug transporters. Their use for investigating drug transporter activity in cultured cells and clinical hematological samples, drug transporter inhibition, drug transporter imaging and drug transport at the organ level are summarized. EXPERT OPINION A wide range of fluorescent dyes is now available for use in various aspects of drug transporter studies. The use of these dyes for transporter analyses may, however, be hampered by classic pitfalls of fluorescence technology, such as quenching. Transporter-independent processes such as passive diffusion of dyes through plasma membrane or dye sequestration into subcellular compartments must also be considered, as well as the redundant handling by various distinct transporters of some fluorescent probes. Finally, standardization of dye-based transport assays remains an important on-going issue.
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Affiliation(s)
- Olivier Fardel
- Institut de Recherches en Santé, Environnement et Travail (IRSET) , UMR INSERM U1085, Faculté de Pharmacie, 2 Avenue du Pr Léon Bernard, 35043 Rennes , France
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Shen H, Liu T, Morse BL, Zhao Y, Zhang Y, Qiu X, Chen C, Lewin AC, Wang XT, Liu G, Christopher LJ, Marathe P, Lai Y. Characterization of Organic Anion Transporter 2 (SLC22A7): A Highly Efficient Transporter for Creatinine and Species-Dependent Renal Tubular Expression. Drug Metab Dispos 2015; 43:984-93. [PMID: 25904762 DOI: 10.1124/dmd.114.062364] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2014] [Accepted: 04/22/2015] [Indexed: 01/03/2023] Open
Abstract
The contribution of organic anion transporter OAT2 (SLC22A7) to the renal tubular secretion of creatinine and its exact localization in the kidney are reportedly controversial. In the present investigation, the transport of creatinine was assessed in human embryonic kidney (HEK) cells that stably expressed human OAT2 (OAT2-HEK) and isolated human renal proximal tubule cells (HRPTCs). The tubular localization of OAT2 in human, monkey, and rat kidney was characterized. The overexpression of OAT2 significantly enhanced the uptake of creatinine in OAT2-HEK cells. Under physiologic conditions (creatinine concentrations of 41.2 and 123.5 µM), the initial rate of OAT2-mediated creatinine transport was approximately 11-, 80-, and 80-fold higher than OCT2, multidrug and toxin extrusion protein (MATE)1, and MATE2K, respectively, resulting in approximately 37-, 1850-, and 80-fold increase of the intrinsic transport clearance when normalized to the transporter protein concentrations. Creatinine intracellular uptake and transcellular transport in HRPTCs were decreased in the presence of 50 µM bromosulfophthalein and 100 µM indomethacin, which inhibited OAT2 more potently than other known creatinine transporters, OCT2 and multidrug and toxin extrusion proteins MATE1 and MATE2K (IC50: 1.3 µM vs. > 100 µM and 2.1 µM vs. > 200 µM for bromosulfophthalein and indomethacin, respectively) Immunohistochemistry analysis showed that OAT2 protein was localized to both basolateral and apical membranes of human and cynomolgus monkey renal proximal tubules, but appeared only on the apical membrane of rat proximal tubules. Collectively, the findings revealed the important role of OAT2 in renal secretion and possible reabsorption of creatinine and suggested a molecular basis for potential species difference in the transporter handling of creatinine.
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Affiliation(s)
- Hong Shen
- Departments of Metabolism and Pharmacokinetics (H.S., T.L., B.L.M., Yuep.Z., X.Q., C.C., P.M., Y.L.), Bioanalytical Sciences (Y.Z., G.L.), Oncology Translational Research (A.C.L., X.-T.W.), and Biotransformation (L.J.C.), Bristol-Myers Squibb Research and Development, Princeton, New Jersey
| | - Tongtong Liu
- Departments of Metabolism and Pharmacokinetics (H.S., T.L., B.L.M., Yuep.Z., X.Q., C.C., P.M., Y.L.), Bioanalytical Sciences (Y.Z., G.L.), Oncology Translational Research (A.C.L., X.-T.W.), and Biotransformation (L.J.C.), Bristol-Myers Squibb Research and Development, Princeton, New Jersey
| | - Bridget L Morse
- Departments of Metabolism and Pharmacokinetics (H.S., T.L., B.L.M., Yuep.Z., X.Q., C.C., P.M., Y.L.), Bioanalytical Sciences (Y.Z., G.L.), Oncology Translational Research (A.C.L., X.-T.W.), and Biotransformation (L.J.C.), Bristol-Myers Squibb Research and Development, Princeton, New Jersey
| | - Yue Zhao
- Departments of Metabolism and Pharmacokinetics (H.S., T.L., B.L.M., Yuep.Z., X.Q., C.C., P.M., Y.L.), Bioanalytical Sciences (Y.Z., G.L.), Oncology Translational Research (A.C.L., X.-T.W.), and Biotransformation (L.J.C.), Bristol-Myers Squibb Research and Development, Princeton, New Jersey
| | - Yueping Zhang
- Departments of Metabolism and Pharmacokinetics (H.S., T.L., B.L.M., Yuep.Z., X.Q., C.C., P.M., Y.L.), Bioanalytical Sciences (Y.Z., G.L.), Oncology Translational Research (A.C.L., X.-T.W.), and Biotransformation (L.J.C.), Bristol-Myers Squibb Research and Development, Princeton, New Jersey
| | - Xi Qiu
- Departments of Metabolism and Pharmacokinetics (H.S., T.L., B.L.M., Yuep.Z., X.Q., C.C., P.M., Y.L.), Bioanalytical Sciences (Y.Z., G.L.), Oncology Translational Research (A.C.L., X.-T.W.), and Biotransformation (L.J.C.), Bristol-Myers Squibb Research and Development, Princeton, New Jersey
| | - Cliff Chen
- Departments of Metabolism and Pharmacokinetics (H.S., T.L., B.L.M., Yuep.Z., X.Q., C.C., P.M., Y.L.), Bioanalytical Sciences (Y.Z., G.L.), Oncology Translational Research (A.C.L., X.-T.W.), and Biotransformation (L.J.C.), Bristol-Myers Squibb Research and Development, Princeton, New Jersey
| | - Anne C Lewin
- Departments of Metabolism and Pharmacokinetics (H.S., T.L., B.L.M., Yuep.Z., X.Q., C.C., P.M., Y.L.), Bioanalytical Sciences (Y.Z., G.L.), Oncology Translational Research (A.C.L., X.-T.W.), and Biotransformation (L.J.C.), Bristol-Myers Squibb Research and Development, Princeton, New Jersey
| | - Xi-Tao Wang
- Departments of Metabolism and Pharmacokinetics (H.S., T.L., B.L.M., Yuep.Z., X.Q., C.C., P.M., Y.L.), Bioanalytical Sciences (Y.Z., G.L.), Oncology Translational Research (A.C.L., X.-T.W.), and Biotransformation (L.J.C.), Bristol-Myers Squibb Research and Development, Princeton, New Jersey
| | - Guowen Liu
- Departments of Metabolism and Pharmacokinetics (H.S., T.L., B.L.M., Yuep.Z., X.Q., C.C., P.M., Y.L.), Bioanalytical Sciences (Y.Z., G.L.), Oncology Translational Research (A.C.L., X.-T.W.), and Biotransformation (L.J.C.), Bristol-Myers Squibb Research and Development, Princeton, New Jersey
| | - Lisa J Christopher
- Departments of Metabolism and Pharmacokinetics (H.S., T.L., B.L.M., Yuep.Z., X.Q., C.C., P.M., Y.L.), Bioanalytical Sciences (Y.Z., G.L.), Oncology Translational Research (A.C.L., X.-T.W.), and Biotransformation (L.J.C.), Bristol-Myers Squibb Research and Development, Princeton, New Jersey
| | - Punit Marathe
- Departments of Metabolism and Pharmacokinetics (H.S., T.L., B.L.M., Yuep.Z., X.Q., C.C., P.M., Y.L.), Bioanalytical Sciences (Y.Z., G.L.), Oncology Translational Research (A.C.L., X.-T.W.), and Biotransformation (L.J.C.), Bristol-Myers Squibb Research and Development, Princeton, New Jersey
| | - Yurong Lai
- Departments of Metabolism and Pharmacokinetics (H.S., T.L., B.L.M., Yuep.Z., X.Q., C.C., P.M., Y.L.), Bioanalytical Sciences (Y.Z., G.L.), Oncology Translational Research (A.C.L., X.-T.W.), and Biotransformation (L.J.C.), Bristol-Myers Squibb Research and Development, Princeton, New Jersey
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11
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Le Vee M, Jouan E, Noel G, Stieger B, Fardel O. Polarized location of SLC and ABC drug transporters in monolayer-cultured human hepatocytes. Toxicol In Vitro 2015; 29:938-46. [PMID: 25862123 DOI: 10.1016/j.tiv.2015.03.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Revised: 02/16/2015] [Accepted: 03/25/2015] [Indexed: 12/31/2022]
Abstract
Human hepatocytes cultured in a monolayer configuration represent a well-established in vitro model in liver toxicology, notably used in drug transporter studies. Polarized status of drug transporters, i.e., their coordinated location at sinusoidal or canalicular membranes, remains however incompletely documented in these cultured hepatocytes. The present study was therefore designed to analyze transporter expression and location in such cells. Most of drug transporters were first shown to be present at notable mRNA levels in monolayer-cultured human hepatocytes. Cultured human hepatocytes, which morphologically exhibited bile canaliculi-like structures, were next demonstrated, through immunofluorescence staining, to express the influx transporters organic anion transporting polypeptide (OATP) 1B1, OATP2B1 and organic cation transporter (OCT) 1 and the efflux transporter multidrug resistance-associated protein (MRP) 3 at their sinusoidal pole. In addition, the efflux transporters P-glycoprotein and MRP2 were detected at the canalicular pole of monolayer-cultured human hepatocytes. Moreover, canalicular secretion of reference substrates for the efflux transporters bile salt export pump, MRP2 and P-glycoprotein as well as sinusoidal drug transporter activities were observed. This polarized and functional expression of drug transporters in monolayer-cultured human hepatocytes highlights the interest of using this human in vitro cell model in xenobiotic transport studies.
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Affiliation(s)
- Marc Le Vee
- Institut de Recherches en Santé, Environnement et Travail (IRSET), UMR INSERM U1085, Faculté de Pharmacie, 2 Avenue du Pr Léon Bernard, 35043 Rennes, France
| | - Elodie Jouan
- Institut de Recherches en Santé, Environnement et Travail (IRSET), UMR INSERM U1085, Faculté de Pharmacie, 2 Avenue du Pr Léon Bernard, 35043 Rennes, France
| | - Gregory Noel
- Institut de Recherches en Santé, Environnement et Travail (IRSET), UMR INSERM U1085, Faculté de Pharmacie, 2 Avenue du Pr Léon Bernard, 35043 Rennes, France
| | - Bruno Stieger
- Department of Clinical Pharmacology and Toxicology, University Hospital, 8091 Zurich, Switzerland
| | - Olivier Fardel
- Institut de Recherches en Santé, Environnement et Travail (IRSET), UMR INSERM U1085, Faculté de Pharmacie, 2 Avenue du Pr Léon Bernard, 35043 Rennes, France; Pôle Biologie, Centre Hospitalier Universitaire, 2 rue Henri Le Guilloux, 35033 Rennes, France.
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12
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Ferslew BC, Köck K, Bridges AS, Brouwer KLR. Role of multidrug resistance-associated protein 4 in the basolateral efflux of hepatically derived enalaprilat. Drug Metab Dispos 2014; 42:1567-74. [PMID: 24958844 DOI: 10.1124/dmd.114.057554] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Hepatic uptake and efflux transporters govern the systemic and hepatic exposure of many drugs and metabolites. Enalapril is a pharmacologically inactive prodrug of enalaprilat. Following oral administration, enalapril is converted to enalaprilat in hepatocytes and undergoes translocation into the systemic circulation to exert its pharmacologic effect by inhibiting angiotensin-converting enzyme. Although the transport proteins governing hepatic uptake of enalapril and the biliary excretion of enalapril and enalaprilat are well established, it remains unknown how hepatically derived enalaprilat translocates across the basolateral membrane into the systemic circulation. In this study, the role of ATP-binding cassette transporters in the hepatic basolateral efflux of enalaprilat was investigated using membrane vesicles. ATP-dependent uptake of enalaprilat into vesicles expressing multidrug resistance-associated protein (MRP) 4 was significantly greater (∼3.8-fold) than in control vesicles. In contrast, enalaprilat was not transported to a significant extent by MRP3, and enalapril was not transported by either MRP3 or MRP4. The functional importance of MRP4 in the basolateral excretion of derived enalaprilat was evaluated using a novel basolateral efflux protocol developed in human sandwich-cultured hepatocytes. Under normal culture conditions, the mean intrinsic basolateral efflux clearance (CLint ,basolateral) of enalaprilat was 0.026 ± 0.012 µl/min; enalaprilat CLint,basolateral was significantly reduced to 0.009 ± 0.009 µl/min by pretreatment with the pan-MRP inhibitor MK-571. Results suggest that hepatically derived enalaprilat is excreted across the hepatic basolateral membrane by MRP4. Changes in MRP4-mediated basolateral efflux may alter the systemic concentrations of this active metabolite, and potentially the efficacy of enalapril.
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Affiliation(s)
- Brian C Ferslew
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy (B.C.F., K.K., K.L.R.B.) and Department of Pathology, UNC School of Medicine (A.S.B.), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Kathleen Köck
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy (B.C.F., K.K., K.L.R.B.) and Department of Pathology, UNC School of Medicine (A.S.B.), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Arlene S Bridges
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy (B.C.F., K.K., K.L.R.B.) and Department of Pathology, UNC School of Medicine (A.S.B.), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Kim L R Brouwer
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy (B.C.F., K.K., K.L.R.B.) and Department of Pathology, UNC School of Medicine (A.S.B.), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
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13
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Chatterjee S, Bijsmans IT, van Mil SW, Augustijns P, Annaert P. Toxicity and intracellular accumulation of bile acids in sandwich-cultured rat hepatocytes: Role of glycine conjugates. Toxicol In Vitro 2014; 28:218-30. [DOI: 10.1016/j.tiv.2013.10.020] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2013] [Revised: 10/24/2013] [Accepted: 10/30/2013] [Indexed: 02/06/2023]
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14
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Ramsden D, Tweedie DJ, St. George R, Chen LZ, Li Y. Generating an In Vitro–In Vivo Correlation for Metabolism and Liver Enrichment of a Hepatitis C Virus Drug, Faldaprevir, Using a Rat Hepatocyte Model (HepatoPac). Drug Metab Dispos 2013; 42:407-14. [DOI: 10.1124/dmd.113.055947] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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15
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Le Vee M, Noel G, Jouan E, Stieger B, Fardel O. Polarized expression of drug transporters in differentiated human hepatoma HepaRG cells. Toxicol In Vitro 2013; 27:1979-86. [PMID: 23850984 DOI: 10.1016/j.tiv.2013.07.003] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2013] [Revised: 07/02/2013] [Accepted: 07/03/2013] [Indexed: 11/28/2022]
Abstract
The HepaRG cell line is a well-differentiated human hepatoma cell line proposed as a surrogate for human hepatocytes, especially for hepatic detoxification studies. Polarized status of drug transporters, i.e., their coordinated location at sinusoidal or canalicular membranes, which represents a key hallmark of hepato-biliary drug transport, remains however incompletely documented in HepaRG cells. The present study was therefore designed to analyze transporter location in HepaRG cells, which exhibit mRNA expressions of most of hepatic transporters. HepaRG cells were demonstrated, through immunofluorescence staining, to express several drug transporters at their sinusoidal pole, especially the influx transporters organic anion transporting polypeptide (OATP) 1B1, OATP2B1 and organic cation transporter (OCT) 1 and the efflux transporter multidrug resistance-associated protein (MRP) 3. In addition, the efflux transporters P-glycoprotein and MRP2 were detected at the canalicular pole of HepaRG cells. Moreover, saturable uptake of reference substrates for the sinusoidal transporters sodium-taurocholate cotransporting polypeptide, OATPs and OCT1 and canalicular secretion of reference substrates for the efflux transporters bile salt export pump and MRP2 were observed. This polarized and functional expression of various sinusoidal and canalicular transporters in HepaRG cells highlights the interest of using these hepatoma cells in xenobiotic transport studies.
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Affiliation(s)
- Marc Le Vee
- Institut de Recherches en Santé, Environnement et Travail (IRSET), UMR INSERM U1085, Faculté de Pharmacie, 2 Avenue du Pr Léon Bernard, 35043 Rennes, France
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