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Wang B, Zhu Y, Liu S, Zhang H, Guan T, Xu X, Zheng X, Yang Z, Zhang T, Zhang G, Xie K. Quantitative analysis of erythromycin, its major metabolite and clarithromycin in chicken tissues and eggs via QuEChERS extraction coupled with ultrahigh-performance liquid chromatography-tandem mass spectrometry. Food Chem X 2024; 22:101468. [PMID: 38817979 PMCID: PMC11137516 DOI: 10.1016/j.fochx.2024.101468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 05/10/2024] [Accepted: 05/10/2024] [Indexed: 06/01/2024] Open
Abstract
A simple, rapid and novel method involving ultrahigh-performance liquid chromatography-electrospray ionization tandem triple quadrupole mass spectrometry (UHPLC-ESI-MS/MS) was developed to simultaneously detect erythromycin, its major metabolite and clarithromycin in chicken tissues (muscle, liver and kidney) and eggs (whole egg, albumen and yolk). Samples were extracted using acetonitrile-water (80:20, v/v), and a Cleanert MAS-Q cartridge was used to perform quick, easy, cheap, effective, rugged, and safe (QuEChERS) purification. The average recoveries were 87.78-104.22 %, and the corresponding intraday and interday relative standard deviations were less than 7.10 %. The decision limits and detection capabilities of the chicken tissues and eggs were 2.15-105.21 μg/kg and 2.26-110.42 μg/kg, respectively. For chicken tissues and eggs, the limits of detection and limits of quantification were 0.5 μg/kg and 2.0 μg/kg, respectively. The proposed method was successfully employed to analyse real samples, demonstrating its applicability.
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Affiliation(s)
- Bo Wang
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
- Yangzhou Engineering Research Center of Food Intelligent Packaging and Preservation Technology, Yangzhou University, Yangzhou 225127, China
| | - Yali Zhu
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China
- Joint International Research Laboratory of Agriculture & Agri-Product Safety, Yangzhou University, Yangzhou 225009, China
| | - Shuyu Liu
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China
- Joint International Research Laboratory of Agriculture & Agri-Product Safety, Yangzhou University, Yangzhou 225009, China
| | - Han Zhang
- School of Animal Science and Technology, Jiangsu Agri-animal Husbandry Vocational College, Taizhou 225300, China
| | - Tianzhu Guan
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
- Yangzhou Engineering Research Center of Food Intelligent Packaging and Preservation Technology, Yangzhou University, Yangzhou 225127, China
| | - Xuechao Xu
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
- Yangzhou Engineering Research Center of Food Intelligent Packaging and Preservation Technology, Yangzhou University, Yangzhou 225127, China
| | - Xiangfeng Zheng
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
- Yangzhou Engineering Research Center of Food Intelligent Packaging and Preservation Technology, Yangzhou University, Yangzhou 225127, China
| | - Zhenquan Yang
- College of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
- Yangzhou Engineering Research Center of Food Intelligent Packaging and Preservation Technology, Yangzhou University, Yangzhou 225127, China
| | - Tao Zhang
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China
- Joint International Research Laboratory of Agriculture & Agri-Product Safety, Yangzhou University, Yangzhou 225009, China
| | - Genxi Zhang
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China
- Joint International Research Laboratory of Agriculture & Agri-Product Safety, Yangzhou University, Yangzhou 225009, China
| | - Kaizhou Xie
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China
- Joint International Research Laboratory of Agriculture & Agri-Product Safety, Yangzhou University, Yangzhou 225009, China
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Qi B, Gijsen M, De Vocht T, Deferm N, Van Brantegem P, Abza GB, Nauwelaerts N, Wauters J, Spriet I, Annaert P. Unravelling the Hepatic Elimination Mechanisms of Colistin. Pharm Res 2023; 40:1723-1734. [PMID: 37258948 DOI: 10.1007/s11095-023-03536-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 05/13/2023] [Indexed: 06/02/2023]
Abstract
PURPOSE Colistin is an antibiotic which is increasingly used as a last-resort therapy in critically-ill patients with multidrug resistant Gram-negative infections. The purpose of this study was to evaluate the mechanisms underlying colistin's pharmacokinetic (PK) behavior and to characterize its hepatic metabolism. METHODS In vitro incubations were performed using colistin sulfate with rat liver microsomes (RLM) and with rat and human hepatocytes (RH and HH) in suspension. The uptake of colistin in RH/HH and thefraction of unbound colistin in HH (fu,hep) was determined. In vitro to in vivo extrapolation (IVIVE) was employed to predict the hepatic clearance (CLh) of colistin. RESULTS Slow metabolism was detected in RH/HH, with intrinsic clearance (CLint) values of 9.34± 0.50 and 3.25 ± 0.27 mL/min/kg, respectively. Assuming the well-stirred model for hepatic drug elimination, the predicted rat CLh was 3.64± 0.22 mL/min/kg which could explain almost 70% of the reported non-renal in vivo clearance. The predicted human CLh was 91.5 ± 8.83 mL/min, which was within two-fold of the reported plasma clearance in healthy volunteers. When colistin was incubated together with the multidrug resistance-associated protein (MRP/Mrp) inhibitor benzbromarone, the intracellular accumulation of colistin in RH/HH increased significantly. CONCLUSION These findings indicate the major role of hepatic metabolism in the non-renal clearance of colistin, while MRP/Mrp-mediated efflux is involved in the hepatic disposition of colistin. Our data provide detailed quantitative insights into the hereto unknown mechanisms responsible for non-renal elimination of colistin.
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Affiliation(s)
- Bing Qi
- Drug Delivery and Disposition, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, Leuven, Belgium
- The Second Affiliated Hospital, Xi'an Medical University, Xi'an, Shaanxi, China
| | - Matthias Gijsen
- Clinical Pharmacology and Pharmacotherapy, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, Leuven, Belgium
- Pharmacy Department, University Hospitals Leuven, Leuven, Belgium
| | - Tom De Vocht
- Drug Delivery and Disposition, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, Leuven, Belgium
| | - Neel Deferm
- Drug Delivery and Disposition, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, Leuven, Belgium
| | - Pieter Van Brantegem
- Drug Delivery and Disposition, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, Leuven, Belgium
| | - Getahun B Abza
- Drug Delivery and Disposition, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, Leuven, Belgium
| | - Nina Nauwelaerts
- Drug Delivery and Disposition, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, Leuven, Belgium
| | - Joost Wauters
- Clinical Infectious and Inflammatory Disorders, KU Leuven Department of Microbiology and Immunology; Medical Intensive Care Unit, University Hospitals Leuven, Leuven, Belgium
| | - Isabel Spriet
- Clinical Pharmacology and Pharmacotherapy, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, Leuven, Belgium
- Pharmacy Department, University Hospitals Leuven, Leuven, Belgium
| | - Pieter Annaert
- Drug Delivery and Disposition, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, Leuven, Belgium.
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Mineiro R, Santos C, Gonçalves I, Lemos M, Cavaco JEB, Quintela T. Regulation of ABC transporters by sex steroids may explain differences in drug resistance between sexes. J Physiol Biochem 2023:10.1007/s13105-023-00957-1. [PMID: 36995571 DOI: 10.1007/s13105-023-00957-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 03/09/2023] [Indexed: 03/31/2023]
Abstract
Drug efficacy is dependent on the pharmacokinetics and pharmacodynamics of therapeutic agents. Tight junctions, detoxification enzymes, and drug transporters, due to their localization on epithelial barriers, modulate the absorption, distribution, and the elimination of a drug. The epithelial barriers which control the pharmacokinetic processes are sex steroid hormone targets, and in this way, sex hormones may also control the drug transport across these barriers. Thus, sex steroids contribute to sex differences in drug resistance and have a relevant impact on the sex-related efficacy of many therapeutic drugs. As a consequence, for the further development and optimization of therapeutic strategies, the sex of the individuals must be taken into consideration. Here, we gather and discuss the evidence about the regulation of ATP-binding cassette transporters by sex steroids, and we also describe the signaling pathways by which sex steroids modulate ATP-binding cassette transporters expression, with a focus in the most important ATP-binding cassette transporters involved in multidrug resistance.
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Affiliation(s)
- Rafael Mineiro
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique. 6200-506, Covilhã, Portugal
| | - Cecília Santos
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique. 6200-506, Covilhã, Portugal
| | - Isabel Gonçalves
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique. 6200-506, Covilhã, Portugal
| | - Manuel Lemos
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique. 6200-506, Covilhã, Portugal
| | - José Eduardo B Cavaco
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique. 6200-506, Covilhã, Portugal
| | - Telma Quintela
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique. 6200-506, Covilhã, Portugal.
- UDI-IPG-Unidade de Investigação Para o Desenvolvimento Do Interior, Instituto Politécnico da Guarda, Guarda, Portugal.
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4
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Xun T, Lin Z, Zhang M, Mo L, Chen Y, Wang X, Zhao J, Ye C, Feng H, Yang X. Advanced oxidation protein products upregulate ABCB1 expression and activity via HDAC2-Foxo3α-mediated signaling in vitro and in vivo. Toxicol Appl Pharmacol 2022; 449:116140. [PMID: 35753429 DOI: 10.1016/j.taap.2022.116140] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 06/12/2022] [Accepted: 06/21/2022] [Indexed: 11/28/2022]
Abstract
The unpredictable pharmacokinetics of non-renal cleared drugs in chronic kidney disease (CKD) patients is associated with the activity of drug transporters. However, the mechanisms underlying regulation of drug transporters are yet to be established. In this study, we demonstrated the involvement of a HDAC2-Foxo3α pathway in advanced oxidation protein products (AOPPs)-induced ATP-binding cassette subfamily B member 1 (ABCB1) expression and activity. The correlation of AOPPs accumulation with concentration of cyclosporine in plasma was evaluated in 194 patients with transplantation. Molecular changes in acetylation of various histones and related regulatory molecules were examined in HepG2 cell cultures treated with AOPPs. Accumulation of AOPPs in serum in relation to molecular changes in HDAC2-Foxo3α in vivo were evaluated in 5/6 nephrectomy (5/6 nx) and oral adenine (Adenine) CKD rat models. Interestingly, the cyclosporine level was negatively correlated with AOPPs in plasma. In addition, AOPPs markedly suppressed the expression of histone deacetylase 2 (HDAC2), inducing ABCB1 expression and activity in vitro and in vivo. Importantly, AOPPs modulated phosphorylation of Foxo3α and the upstream Akt protein. Our findings indicate that AOPPs regulate the expression and activity of ABCB1 via reducing HDAC2 expression and activating Foxo3α-dependent signaling. The collective results support the utility of AOPPs as a potential target for drug and/or dosage adjustment in CKD patients. Targeting of AOPPs presents a novel approach to regulate non-renal clearance.
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Affiliation(s)
- Tianrong Xun
- Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Zhufen Lin
- Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Mimi Zhang
- Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Liqian Mo
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yan Chen
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaokang Wang
- Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Jingqian Zhao
- Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Chunxiao Ye
- Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Haixing Feng
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xixiao Yang
- Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen, China.
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Sandoval P, Chuang BC, Cohen L, Yoneyama T, Pusalkar S, Yucha RW, Chowdhury SK, Chothe PP. Sinusoidal Uptake Determines the Hepatic Clearance of Pevonedistat (TAK-924) as Explained by Extended Clearance Model. Drug Metab Dispos 2022; 50:980-988. [PMID: 35545257 DOI: 10.1124/dmd.122.000836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 04/18/2021] [Indexed: 11/22/2022] Open
Abstract
Quantitative assessment of hepatic clearance (CLH) of drugs is critical to accurately predict human dose and drug-drug interaction (DDI) liabilities. This is challenging for drugs that involve complex transporter-enzyme interplay. In this study, we demonstrate this interplay in the CLH and DDI effect in the presence of CYP3A4 perpetrator for pevonedistat using both the Conventional Clearance Model (CCM) and the Extended Clearance Model (ECM). In Vitro metabolism and hepatocyte uptake data showed that pevonedistat is actively transported into the liver via multiple uptake transporters and metabolized predominantly by CYP3A4 (88%). The active uptake clearance (CLact,inf) and passive diffusion clearance (CLdiff,inf) were 21 and 8.7 mL/minute/kg, respectively. The CLact,inf was underpredicted as Empirical Scaling Factor of 13 was needed to recover the in vivo plasma clearance (CLplasma). Both CCM and ECM predicted CLplasma of pevonedistat reasonably well (predicted CLplasma of 30.8 (CCM) and 32.1 (ECM) versus observed CLplasma of 32.2 ml/minute/kg). However, both systemic and liver exposures in the presence of itraconazole were well predicted by ECM but not by CCM (predicted pevonedistat plasma AUCR 2.73 (CCM) and 1.23 (ECM)). , The ECM prediction is in accordance with the observed clinical DDI data (observed plasma AUCR of 1.14) that showed CYP3A4 inhibition did not alter pevonedistat exposure systemically, although ECM predicted liver AUCR of 2.85. Collectively, these data indicated that the hepatic uptake is the rate-determining step in the CLH of pevonedistat and are consistent with the lack of systemic clinical DDI with itraconazole. Significance Statement In this study, we successfully demonstrated that the hepatic uptake is the rate-determining step in the CLH of pevonedistat. Both the conventional and extended clearance models predict CLplasma of pevonedistat well however, only the ECM accurately predicted DDI effect in the presence of itraconazole, thus providing further evidence for the lack of DDI with CYP3A4 perpetrators for drugs that involve complex transporter-enzyme interplay as there are currently not many examples in the literature except prototypical OATP substrate drugs.
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Affiliation(s)
- Philip Sandoval
- Drug Metabolism and Pharmacokinetics, Takeda Pharmaceutical Company, United States
| | | | | | | | | | | | | | - Paresh P Chothe
- Department of Drug Metabolism & Pharmacokinetics, Takeda Pharmaceuticals International, United States
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6
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Chothe PP, Pemberton R, Hariparsad N. Function and Expression of Bile Salt Export Pump in Suspension Human Hepatocytes. Drug Metab Dispos 2021; 49:314-321. [PMID: 33472814 DOI: 10.1124/dmd.120.000057] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 01/07/2021] [Indexed: 11/22/2022] Open
Abstract
The mechanistic understanding of bile salt disposition is not well established in suspension human hepatocytes (SHH) because of the limited information on the expression and function of bile salt export protein (BSEP) in this system. We investigated the transport function of BSEP in SHH using a method involving in situ biosynthesis of bile salts from their precursor bile acids, cholic acid (CA) and chenodeoxycholic acid (CDCA). Our data indicated that glycine- and taurine-conjugated CA and CDCA were generated efficiently and transported out of hepatocytes in a concentration- and time-dependent manner. We also observed that the membrane protein abundance of BSEP was similar between SHH and sandwich-cultured human hepatocytes. Furthermore, known cholestatic agents significantly inhibited G-CA and G-CDCA efflux in SHH. Interestingly, cyclosporine A, troglitazone, itraconazole, loratadine, and lovastatin inhibited G-CA efflux more potently than G-CDCA efflux (3- to 5-fold). Because of these significant differential effects on G-CA and G-CDCA efflux inhibition, we determined the IC50 values of troglitazone for G-CA (9.9 µM) and for G-CDCA (43.1 µM) efflux. The observed discrepancy in the IC50 was attributed to the fact that troglitazone also inhibits organic anion transporting polypeptides and Na+/taurocholate cotransporting polypeptide in addition to BSEP. The hepatocyte uptake study suggested that both active uptake and passive diffusion contribute to the liver uptake of CA, whereas CDCA primarily undergoes passive diffusion into the liver. In summary, these data demonstrated the expression and function of BSEP and its major role in transport of bile salts in cryopreserved SHH. SIGNIFICANCE STATEMENT: BSEP transport function and protein abundance was evident in SHH in the present study. The membrane abundance of BSEP protein was similar between SHH and sandwich-cultured human hepatocytes. The study also illustrated the major role of BSEP relative to basolateral MRP3 and MRP4 in transport of bile salts in SHH. Understanding of BSEP function in SHH may bolster the utility of this platform in mechanistic understanding of bile salt disposition and potentially in the assessment of drugs for BSEP inhibition.
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Affiliation(s)
- Paresh P Chothe
- Drug Metabolism and Pharmacokinetics, Vertex Pharmaceuticals Incorporated, Boston, Massachusetts
| | - Rachel Pemberton
- Drug Metabolism and Pharmacokinetics, Vertex Pharmaceuticals Incorporated, Boston, Massachusetts
| | - Niresh Hariparsad
- Drug Metabolism and Pharmacokinetics, Vertex Pharmaceuticals Incorporated, Boston, Massachusetts
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7
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Sohail MI, Dönmez-Cakil Y, Szöllősi D, Stockner T, Chiba P. The Bile Salt Export Pump: Molecular Structure, Study Models and Small-Molecule Drugs for the Treatment of Inherited BSEP Deficiencies. Int J Mol Sci 2021; 22:E784. [PMID: 33466755 PMCID: PMC7830293 DOI: 10.3390/ijms22020784] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/11/2021] [Accepted: 01/12/2021] [Indexed: 02/07/2023] Open
Abstract
The bile salt export pump (BSEP/ABCB11) is responsible for the transport of bile salts from hepatocytes into bile canaliculi. Malfunction of this transporter results in progressive familial intrahepatic cholestasis type 2 (PFIC2), benign recurrent intrahepatic cholestasis type 2 (BRIC2) and intrahepatic cholestasis of pregnancy (ICP). Over the past few years, several small molecular weight compounds have been identified, which hold the potential to treat these genetic diseases (chaperones and potentiators). As the treatment response is mutation-specific, genetic analysis of the patients and their families is required. Furthermore, some of the mutations are refractory to therapy, with the only remaining treatment option being liver transplantation. In this review, we will focus on the molecular structure of ABCB11, reported mutations involved in cholestasis and current treatment options for inherited BSEP deficiencies.
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Affiliation(s)
| | - Yaprak Dönmez-Cakil
- Department of Histology and Embryology, Faculty of Medicine, Maltepe University, Maltepe, 34857 Istanbul, Turkey;
| | - Dániel Szöllősi
- Institute of Pharmacology, Center for Physiology and Pharmacology, Medical University of Vienna, Waehringerstrasse, 13A, 1090 Vienna, Austria;
| | - Thomas Stockner
- Institute of Pharmacology, Center for Physiology and Pharmacology, Medical University of Vienna, Waehringerstrasse, 13A, 1090 Vienna, Austria;
| | - Peter Chiba
- Institute of Medical Chemistry, Center for Pathobiochemistry and Genetics, Medical University of Vienna, Waehringerstrasse, 10, 1090 Vienna, Austria
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Abstract
Accurate estimation of in vivo clearance in human is pivotal to determine the dose and dosing regimen for drug development. In vitro-in vivo extrapolation (IVIVE) has been performed to predict drug clearance using empirical and physiological scalars. Multiple in vitro systems and mathematical modeling techniques have been employed to estimate in vivo clearance. The models for predicting clearance have significantly improved and have evolved to become more complex by integrating multiple processes such as drug metabolism and transport as well as passive diffusion. This chapter covers the use of conventional as well as recently developed methods to predict metabolic and transporter-mediated clearance along with the advantages and disadvantages of using these methods and the associated experimental considerations. The general approaches to improve IVIVE by use of appropriate scalars, incorporation of extrahepatic metabolism and transport and application of physiologically based pharmacokinetic (PBPK) models with proteomics data are also discussed. The chapter also provides an overview of the advantages of using such dynamic mechanistic models over static models for clearance predictions to improve IVIVE.
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9
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Keefer C, Chang G, Carlo A, Novak JJ, Banker M, Carey J, Cianfrogna J, Eng H, Jagla C, Johnson N, Jones R, Jordan S, Lazzaro S, Liu J, Scott Obach R, Riccardi K, Tess D, Umland J, Racich J, Varma M, Visswanathan R, Di L. Mechanistic insights on clearance and inhibition discordance between liver microsomes and hepatocytes when clearance in liver microsomes is higher than in hepatocytes. Eur J Pharm Sci 2020; 155:105541. [DOI: 10.1016/j.ejps.2020.105541] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/18/2020] [Accepted: 09/08/2020] [Indexed: 02/06/2023]
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10
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Yoshikado T, Lee W, Toshimoto K, Morita K, Kiriake A, Chu X, Lee N, Kimoto E, Varma MVS, Kikuchi R, Scialis RJ, Shen H, Ishiguro N, Lotz R, Li AP, Maeda K, Kusuhara H, Sugiyama Y. Evaluation of Hepatic Uptake of OATP1B Substrates by Short Term-Cultured Plated Human Hepatocytes: Comparison With Isolated Suspended Hepatocytes. J Pharm Sci 2020; 110:376-387. [PMID: 33122051 DOI: 10.1016/j.xphs.2020.10.041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 12/13/2022]
Abstract
Hepatic uptake clearance has been measured in suspended human hepatocytes (SHH). Plated human hepatocytes (PHH) after short-term culturing are increasingly employed to study hepatic transport driven mainly by its higher throughput. To know pros/cons of both systems, the hepatic uptake clearances of several organic anion transporting polypeptide 1B substrates were compared between PHH and SHH by determining the initial uptake velocities or through dynamic model-based analyses. For cerivastatin, pitavastatin and rosuvastatin, initial uptake clearances (PSinf) obtained using PHH were comparable to those using SHH, while cell-to-medium concentration (C/M) ratios were 2.7- to 5.4-fold higher. For pravastatin and dehydropravastatin, hydrophilic compounds with low uptake/cellular binding, their PSinf and C/M ratio in PHH were 1.8- to 3.2-fold lower than those in SHH. These hydrophilic substrates are more prone to wash-off during the uptake study using PHH, which may explain the apparently lower uptake than SHH. The C/M ratios obtained using PHH were stable over an extended time, making PHH suitable to estimate the C/M ratios and hepatocyte-to-medium unbound concentration ratios (Kp,uu). In conclusion, PHH is useful in evaluating hepatic uptake/efflux clearances and Kp,uu of OATP1B substrates in a high-throughput manner, however, a caution is warranted for hydrophilic drugs with low uptake/cellular binding.
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Affiliation(s)
- Takashi Yoshikado
- Sugiyama Laboratory, RIKEN Baton Zone Program, RIKEN Cluster for Science, Technology and Innovation Hub, RIKEN, Yokohama, Kanagawa, Japan; Laboratory of Clinical Pharmacology, Yokohama University of Pharmacy, Yokohama, Kanagawa, Japan
| | - Wooin Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, Korea
| | - Kota Toshimoto
- Sugiyama Laboratory, RIKEN Baton Zone Program, RIKEN Cluster for Science, Technology and Innovation Hub, RIKEN, Yokohama, Kanagawa, Japan
| | - Kiyoe Morita
- Sugiyama Laboratory, RIKEN Baton Zone Program, RIKEN Cluster for Science, Technology and Innovation Hub, RIKEN, Yokohama, Kanagawa, Japan
| | - Aya Kiriake
- Sugiyama Laboratory, RIKEN Baton Zone Program, RIKEN Cluster for Science, Technology and Innovation Hub, RIKEN, Yokohama, Kanagawa, Japan
| | | | - Nora Lee
- Daewoong Pharmaceutical Co., Ltd, Seoul, Korea
| | - Emi Kimoto
- ADME Sciences, Medicine Design, Worldwide Research and Development, Pfizer Inc, Groton, CT, USA
| | - Manthena V S Varma
- ADME Sciences, Medicine Design, Worldwide Research and Development, Pfizer Inc, Groton, CT, USA
| | | | | | - Hong Shen
- Bristol Myers Squibb, Princeton, NJ, USA
| | - Naoki Ishiguro
- Pharmacokinetics and Non-Clinical Safety Department, Nippon Boehringer Ingelheim Co., Ltd, Kobe, Hyogo, Japan
| | - Ralf Lotz
- Drug Metabolism and Pharmacokinetics, Boehringer Ingelheim Pharma GmbH & Co., KG, Biberach an der Riss, Germany
| | - Albert P Li
- In Vitro ADMET Laboratories Inc, Columbia, MA, USA
| | - Kazuya Maeda
- Laboratory of Molecular Pharmacokinetics, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Hiroyuki Kusuhara
- Laboratory of Molecular Pharmacokinetics, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Yuichi Sugiyama
- Sugiyama Laboratory, RIKEN Baton Zone Program, RIKEN Cluster for Science, Technology and Innovation Hub, RIKEN, Yokohama, Kanagawa, Japan.
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11
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Fujiwara K, Yamamoto Y, Saita T, Matsufuji S. Metabolism and disposition of oseltamivir (OS) in rats, determined by immunohistochemistry with monospecific antibody for OS or its active metabolite oseltamivir carboxylate (OC): A possibility of transporters dividing the drugs' excretion into the bile and kidney. Pharmacol Res Perspect 2020; 8:e00597. [PMID: 32489006 PMCID: PMC7266928 DOI: 10.1002/prp2.597] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 04/12/2020] [Accepted: 04/15/2020] [Indexed: 01/19/2023] Open
Abstract
Among any drugs, no comparative pharmacological study on how prodrug and its active metabolite behave in animal bodies is available. Immunohistochemistry (IHCs) using newly prepared two monoclonal antibodies, AOS‐96 and AOC‐160, monospecific for oseltamivir (OS) and its metabolite oseltamivir carboxylate (OC) were developed, simultaneously detecting the uptake or excretion of OS and OC in the intestine, liver, and kidney of rats to which OS was orally administered. In the intestine, IHC for OS revealed OS highly distributed to the absorptive epithelia with heavily stained cytoplasmic small granules (CSGs). IHC for OC showed that OC also distributed highly in the epithelia, but without CSGs, suggesting that OS was partly converted to OC in the cells. In the liver, OS distributed in the hepatocytes and on their bile capillaries, as well as on the lumina from the bile capillaries to the interlobular bile ducts. OC distributed in the whole cell of the hepatocytes, but without CSGs nor on any lumina through the interlobular bile ducts. In the kidney, a few levels of OS distributed in the cytoplasm of almost all the renal tubule cells, but they contained numerous CSGs. In contrast, OC distributed highly in the proximal tubules, but very slightly in the lower renal tubules of the nephrons. Thus, it was concluded that the two drugs behave in completely different ways in rat bodies. This paper also discusses a possibility of the correlation of OS or OC levels in tissue cells with their known transporters.
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Affiliation(s)
- Kunio Fujiwara
- Department of Applied Life Science, Faculty of Biotechnology and Life Science, Sojo University, Kumamoto, Japan
| | - Yutaro Yamamoto
- Department of Applied Life Science, Faculty of Biotechnology and Life Science, Sojo University, Kumamoto, Japan
| | - Tetsuya Saita
- Department of Applied Life Science, Faculty of Biotechnology and Life Science, Sojo University, Kumamoto, Japan
| | - Senya Matsufuji
- Department of Molecular Biology, The Jikei University School of Medicine, Tokyo, Japan
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12
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Nozaki Y, Izumi S. Recent advances in preclinical in vitro approaches towards quantitative prediction of hepatic clearance and drug-drug interactions involving organic anion transporting polypeptide (OATP) 1B transporters. Drug Metab Pharmacokinet 2020; 35:56-70. [DOI: 10.1016/j.dmpk.2019.11.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 09/29/2019] [Accepted: 11/02/2019] [Indexed: 12/26/2022]
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13
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Lu C, Di L. In vitro
and
in vivo
methods to assess pharmacokinetic drug– drug interactions in drug discovery and development. Biopharm Drug Dispos 2020; 41:3-31. [DOI: 10.1002/bdd.2212] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 09/27/2019] [Accepted: 10/28/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Chuang Lu
- Department of DMPKSanofi Company Waltham MA 02451
| | - Li Di
- Pharmacokinetics, Dynamics and MetabolismPfizer Worldwide Research & Development Groton CT 06340
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14
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Li Z, Di L, Maurer TS. Theoretical Considerations for Direct Translation of Unbound Liver-to-Plasma Partition Coefficient from In Vitro to In Vivo. AAPS JOURNAL 2019; 21:43. [DOI: 10.1208/s12248-019-0314-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 02/26/2019] [Indexed: 12/25/2022]
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15
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Iwasaki S, Kosugi Y, Zhu AZX, Nakagawa S, Sano N, Funami M, Kosaka M, Furuta A, Hirabayashi H, Amano N. Application of unbound liver-to-plasma concentration ratio to quantitative projection of cytochrome P450-mediated drug-drug interactions using physiologically based pharmacokinetic modelling approach. Xenobiotica 2019; 49:1251-1259. [PMID: 30516093 DOI: 10.1080/00498254.2018.1547461] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
1. This study evaluated the prediction accuracy of cytochrome P450 (CYP)-mediated drug-drug interaction (DDI) using minimal physiologically-based pharmacokinetic (PBPK) modelling incorporating the hepatic accumulation factor of an inhibitor (i.e. unbound liver/unbound plasma concentration ratio [Kp,uu,liver]) based on 22 clinical DDI studies. 2. Kp,uu,liver values were estimated using three methods: (1) ratio of cell-to-medium ratio in human cryopreserved hepatocytes (C/Mu) at 37 °C to that on ice (Kp,uu,C/M), (2) multiplication of total liver/unbound plasma concentration ratio (Kp,u,liver) estimated from C/Mu at 37 °C with unbound fraction in human liver homogenate (Kp,uu,cell) and (3) observed Kp,uu,liver in rats after intravenous infusion (Kp,uu,rat). 3. PBPK model using each Kp,uu,liver projected the area under the curve (AUC) increase of substrates more accurately than the model assuming a Kp,uu,liver of 1 for the average fold error and root mean square error did. Particularly, the model with a Kp,uu,liver of 1 underestimated the AUC increase of triazolam following co-administration with CYP3A4 inhibitor itraconazole by five-fold, whereas the AUC increase projected using the model incorporating the Kp,uu,C/M, Kp,uu,cell, or Kp,uu,rat of itraconazole and hydroxyitraconazole was within approximately two-fold of the actual value. 4. The results indicated that incorporating Kp,uu,liver into the PBPK model improved the accuracy of DDI projection.
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Affiliation(s)
- Shinji Iwasaki
- a Drug Metabolism and Pharmacokinetics Research Laboratories, Takeda Pharmaceutical Co., Ltd. , Fujisawa , Kanagawa , Japan.,b Drug Metabolism and Pharmacokinetics, Takeda Pharmaceuticals International Co. , Cambridge , MA , USA
| | - Yohei Kosugi
- a Drug Metabolism and Pharmacokinetics Research Laboratories, Takeda Pharmaceutical Co., Ltd. , Fujisawa , Kanagawa , Japan
| | - Andy Z X Zhu
- b Drug Metabolism and Pharmacokinetics, Takeda Pharmaceuticals International Co. , Cambridge , MA , USA
| | - Sayaka Nakagawa
- a Drug Metabolism and Pharmacokinetics Research Laboratories, Takeda Pharmaceutical Co., Ltd. , Fujisawa , Kanagawa , Japan
| | - Noriyasu Sano
- a Drug Metabolism and Pharmacokinetics Research Laboratories, Takeda Pharmaceutical Co., Ltd. , Fujisawa , Kanagawa , Japan
| | - Miyuki Funami
- a Drug Metabolism and Pharmacokinetics Research Laboratories, Takeda Pharmaceutical Co., Ltd. , Fujisawa , Kanagawa , Japan
| | - Mai Kosaka
- a Drug Metabolism and Pharmacokinetics Research Laboratories, Takeda Pharmaceutical Co., Ltd. , Fujisawa , Kanagawa , Japan
| | - Atsutoshi Furuta
- a Drug Metabolism and Pharmacokinetics Research Laboratories, Takeda Pharmaceutical Co., Ltd. , Fujisawa , Kanagawa , Japan
| | - Hideki Hirabayashi
- a Drug Metabolism and Pharmacokinetics Research Laboratories, Takeda Pharmaceutical Co., Ltd. , Fujisawa , Kanagawa , Japan
| | - Nobuyuki Amano
- a Drug Metabolism and Pharmacokinetics Research Laboratories, Takeda Pharmaceutical Co., Ltd. , Fujisawa , Kanagawa , Japan
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16
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Kumar V, Salphati L, Hop CECA, Xiao G, Lai Y, Mathias A, Chu X, Humphreys WG, Liao M, Heyward S, Unadkat JD. A Comparison of Total and Plasma Membrane Abundance of Transporters in Suspended, Plated, Sandwich-Cultured Human Hepatocytes Versus Human Liver Tissue Using Quantitative Targeted Proteomics and Cell Surface Biotinylation. Drug Metab Dispos 2019; 47:350-357. [DOI: 10.1124/dmd.118.084988] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 01/07/2019] [Indexed: 12/12/2022] Open
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17
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Petrov PD, Fernández-Murga ML, López-Riera M, Goméz-Lechón MJ, Castell JV, Jover R. Predicting drug-induced cholestasis: preclinical models. Expert Opin Drug Metab Toxicol 2018; 14:721-738. [PMID: 29888962 DOI: 10.1080/17425255.2018.1487399] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION In almost 50% of patients with drug-induced liver injury (DILI), the bile flow from the liver to the duodenum is impaired, a condition known as cholestasis. However, this toxic response only appears in a small percentage of the treated patients (idiosyncrasy). Prediction of drug-induced cholestasis (DIC) is challenging and emerges as a safety issue that requires attention by professionals in clinical practice, regulatory authorities, pharmaceutical companies, and research institutions. Area covered: The current synopsis focuses on the state-of-the-art in preclinical models for cholestatic DILI prediction. These models differ in their goal, complexity, availability, and applicability, and can widely be classified in experimental animals and in vitro models. Expert opinion: Drugs are a growing cause of cholestasis, but the progress made in explaining mechanisms and differences in susceptibility is not growing at the same rate. We need reliable models able to recapitulate the features of DIC, particularly its idiosyncrasy. The homogeneity and the species-specific differences move animal models away from a fair predictability. However, in vitro human models are improving and getting closer to the real hepatocyte phenotype, and they will likely be the choice in the near future. Progress in this area will not only need reliable predictive models but also mechanistic insights.
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Affiliation(s)
- Petar D Petrov
- a Instituto de Investigación Sanitaria La Fe (IIS La Fe) , Unidad de Hepatología Experimental , Valencia , Spain.,b Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD) , Madrid , Spain
| | - M Leonor Fernández-Murga
- a Instituto de Investigación Sanitaria La Fe (IIS La Fe) , Unidad de Hepatología Experimental , Valencia , Spain
| | - Mireia López-Riera
- a Instituto de Investigación Sanitaria La Fe (IIS La Fe) , Unidad de Hepatología Experimental , Valencia , Spain
| | - M José Goméz-Lechón
- a Instituto de Investigación Sanitaria La Fe (IIS La Fe) , Unidad de Hepatología Experimental , Valencia , Spain.,b Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD) , Madrid , Spain
| | - Jose V Castell
- a Instituto de Investigación Sanitaria La Fe (IIS La Fe) , Unidad de Hepatología Experimental , Valencia , Spain.,b Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD) , Madrid , Spain.,c Departamento de Bioquímica y Biología Molecular, Facultad de Medicina , Universidad de Valencia , Valencia , Spain
| | - Ramiro Jover
- a Instituto de Investigación Sanitaria La Fe (IIS La Fe) , Unidad de Hepatología Experimental , Valencia , Spain.,b Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD) , Madrid , Spain.,c Departamento de Bioquímica y Biología Molecular, Facultad de Medicina , Universidad de Valencia , Valencia , Spain
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18
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Holmstock N, Oorts M, Snoeys J, Annaert P. MRP2 Inhibition by HIV Protease Inhibitors in Rat and Human Hepatocytes: A Quantitative Confocal Microscopy Study. Drug Metab Dispos 2018. [DOI: 10.1124/dmd.117.079467] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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19
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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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20
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Riede J, Camenisch G, Huwyler J, Poller B. Current In Vitro Methods to Determine Hepatic Kp uu : A Comparison of Their Usefulness and Limitations. J Pharm Sci 2017; 106:2805-2814. [DOI: 10.1016/j.xphs.2017.03.025] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 03/23/2017] [Accepted: 03/27/2017] [Indexed: 12/20/2022]
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21
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Wang MY, Yang M, Hou PY, Chen XB, Li HG, Yan JX, Zhang J, Zhang YW, Wu XH. Intestinal absorption of pallidifloside D are limited by P-glycoprotein in mice. Xenobiotica 2017; 48:739-744. [DOI: 10.1080/00498254.2017.1355999] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Ming-Yu Wang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical, Therapeutics and Diagnostics, College of Pharmacy, Tianjin Medical University, Tianjin, China,
- Department of Emergency, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin, China, and
| | - Ming Yang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical, Therapeutics and Diagnostics, College of Pharmacy, Tianjin Medical University, Tianjin, China,
- Department of Anesthesia, Tianjin Eye Hospital, Tianjin, China
| | - Pi-Yong Hou
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical, Therapeutics and Diagnostics, College of Pharmacy, Tianjin Medical University, Tianjin, China,
| | - Xiu-Bo Chen
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical, Therapeutics and Diagnostics, College of Pharmacy, Tianjin Medical University, Tianjin, China,
| | - Hong-Gang Li
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical, Therapeutics and Diagnostics, College of Pharmacy, Tianjin Medical University, Tianjin, China,
| | - Jiu-Xing Yan
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical, Therapeutics and Diagnostics, College of Pharmacy, Tianjin Medical University, Tianjin, China,
| | - Jun Zhang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical, Therapeutics and Diagnostics, College of Pharmacy, Tianjin Medical University, Tianjin, China,
| | - Yan-Wen Zhang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical, Therapeutics and Diagnostics, College of Pharmacy, Tianjin Medical University, Tianjin, China,
| | - Xiao-Hui Wu
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical, Therapeutics and Diagnostics, College of Pharmacy, Tianjin Medical University, Tianjin, China,
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Yoshikado T, Toshimoto K, Nakada T, Ikejiri K, Kusuhara H, Maeda K, Sugiyama Y. Comparison of Methods for Estimating Unbound Intracellular-to-Medium Concentration Ratios in Rat and Human Hepatocytes Using Statins. Drug Metab Dispos 2017; 45:779-789. [DOI: 10.1124/dmd.116.074823] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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23
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Cantrill C, Houston JB. Understanding the Interplay Between Uptake and Efflux Transporters Within In Vitro Systems in Defining Hepatocellular Drug Concentrations. J Pharm Sci 2017; 106:2815-2825. [PMID: 28478131 DOI: 10.1016/j.xphs.2017.04.056] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 04/21/2017] [Accepted: 04/24/2017] [Indexed: 02/03/2023]
Abstract
One of the most holistic in vitro systems for prediction of intracellular drug concentrations is sandwich-cultured hepatocytes (SCH); however, a comprehensive evaluation of the utility of SCH to estimate uptake and biliary clearances and the need for additional kinetic parameters has yet to be carried out. Toward this end, we have selected 9 compounds (rosuvastatin, valsartan, fexofenadine, pravastatin, repaglinide, telmisartan, atorvastatin, saquinavir, and quinidine) to provide a range of physicochemical and hepatic disposition properties. Uptake clearances were determined in SCH and compared with conventional monolayer and suspension hepatocyte systems, previously reported by our laboratory. CLuptake ranged from 1 to 41 μL/min/106 cells in SCH which were significantly lower (1%-10%) compared with the other hepatocyte models. The hepatocyte-to-media unbound concentration ratio (Kpu) has been assessed and ranged 0.7-59, lower compared with other hepatocyte systems (8-280). Estimates of in vitro biliary clearance (CLbile) for 4 drugs were determined and were scaled to predict in vivo values using both intracellular concentration and media drug concentrations. These studies demonstrate that reduced uptake in rat SCH may limit drug access to canalicular efflux transport proteins and highlight the importance of elucidating the interplay between these proteins for accurate prediction of hepatic clearance.
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Affiliation(s)
- Carina Cantrill
- Centre for Applied Pharmacokinetic Research, Division of Pharmacy and Optometry, School of Biology, Medicine and Health Sciences, University of Manchester, UK
| | - J Brian Houston
- Centre for Applied Pharmacokinetic Research, Division of Pharmacy and Optometry, School of Biology, Medicine and Health Sciences, University of Manchester, UK.
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24
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Cellular Models and In Vitro Assays for the Screening of modulators of P-gp, MRP1 and BCRP. Molecules 2017; 22:molecules22040600. [PMID: 28397762 PMCID: PMC6153761 DOI: 10.3390/molecules22040600] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 03/24/2017] [Accepted: 03/28/2017] [Indexed: 12/12/2022] Open
Abstract
Adenosine triphosphate (ATP)-binding cassette (ABC) transporters are highly expressed in tumor cells, as well as in organs involved in absorption and secretion processes, mediating the ATP-dependent efflux of compounds, both endogenous substances and xenobiotics, including drugs. Their expression and activity levels are modulated by the presence of inhibitors, inducers and/or activators. In vitro, ex vivo and in vivo studies with both known and newly synthesized P-glycoprotein (P-gp) inducers and/or activators have shown the usefulness of these transport mechanisms in reducing the systemic exposure and specific tissue access of potentially harmful compounds. This article focuses on the main ABC transporters involved in multidrug resistance [P-gp, multidrug resistance-associated protein 1 (MRP1) and breast cancer resistance protein (BCRP)] expressed in tissues of toxicological relevance, such as the blood-brain barrier, cardiovascular system, liver, kidney and intestine. Moreover, it provides a review of the available cellular models, in vitro and ex vivo assays for the screening and selection of safe and specific inducers and activators of these membrane transporters. The available cellular models and in vitro assays have been proposed as high throughput and low-cost alternatives to excessive animal testing, allowing the evaluation of a large number of compounds.
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25
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Model Systems for Studying the Role of Canalicular Efflux Transporters in Drug-Induced Cholestatic Liver Disease. J Pharm Sci 2017; 106:2295-2301. [PMID: 28385542 DOI: 10.1016/j.xphs.2017.03.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2016] [Revised: 03/11/2017] [Accepted: 03/27/2017] [Indexed: 12/12/2022]
Abstract
Bile formation is a key function of the liver. Disturbance of bile flow may lead to liver disease and is called cholestasis. Cholestasis may be inherited, for example, in progressive familial intrahepatic cholestasis or acquired, for example, by drug-mediated inhibition of bile salt export from hepatocytes into the canaliculi. The key transport system for exporting bile salts into the canaliculi is the bile salt export pump. Inhibition of the bile salt export pump by drugs is a well-established cause of drug-induced cholestasis. Investigation of the role of the multidrug resistance protein 3, essential for biliary phospholipid secretion, is emerging now. This overview summarizes current concepts and methods with an emphasis on in vitro model systems for the investigation of drug-induced cholestasis in the general context of drug-induced liver injury.
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26
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Mateus A, Treyer A, Wegler C, Karlgren M, Matsson P, Artursson P. Intracellular drug bioavailability: a new predictor of system dependent drug disposition. Sci Rep 2017; 7:43047. [PMID: 28225057 PMCID: PMC5320532 DOI: 10.1038/srep43047] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 01/17/2017] [Indexed: 11/26/2022] Open
Abstract
Intracellular drug exposure is influenced by cell- and tissue-dependent expression of drug-transporting proteins and metabolizing enzymes. Here, we introduce the concept of intracellular bioavailability (Fic) as the fraction of extracellular drug available to bind intracellular targets, and we assess how Fic is affected by cellular drug disposition processes. We first investigated the impact of two essential drug transporters separately, one influx transporter (OATP1B1; SLCO1B1) and one efflux transporter (P-gp; ABCB1), in cells overexpressing these proteins. We showed that OATP1B1 increased Fic of its substrates, while P-gp decreased Fic. We then investigated the impact of the concerted action of multiple transporters and metabolizing enzymes in freshly-isolated human hepatocytes in culture configurations with different levels of expression and activity of these proteins. We observed that Fic was up to 35-fold lower in the configuration with high expression of drug-eliminating transporters and enzymes. We conclude that Fic provides a measurement of the net impact of all cellular drug disposition processes on intracellular bioavailable drug levels. Importantly, no prior knowledge of the involved drug distribution pathways is required, allowing for high-throughput determination of drug access to intracellular targets in highly defined cell systems (e.g., single-transporter transfectants) or in complex ones (including primary human cells).
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Affiliation(s)
- André Mateus
- Department of Pharmacy, Uppsala University, BMC, Box 580, Uppsala SE-751 23, Sweden
| | - Andrea Treyer
- Department of Pharmacy, Uppsala University, BMC, Box 580, Uppsala SE-751 23, Sweden
| | - Christine Wegler
- Department of Pharmacy, Uppsala University, BMC, Box 580, Uppsala SE-751 23, Sweden.,Cardiovascular and Metabolic Diseases Innovative Medicines, DMPK, AstraZeneca R&D, Mölndal SE-431 83, Sweden
| | - Maria Karlgren
- Department of Pharmacy, Uppsala University, BMC, Box 580, Uppsala SE-751 23, Sweden
| | - Pär Matsson
- Department of Pharmacy, Uppsala University, BMC, Box 580, Uppsala SE-751 23, Sweden
| | - Per Artursson
- Department of Pharmacy, Uppsala University, BMC, Box 580, Uppsala SE-751 23, Sweden.,Uppsala University Drug Optimization and Pharmaceutical Profiling Platform (UDOPP), Department of Pharmacy, Uppsala University, Box 580, Uppsala SE-751 23, Sweden.,Science for Life Laboratory Drug Discovery and Development platform (SciLifelab DDD-P), Uppsala University, Uppsala SE-751 23, Sweden
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Amacher DE. The regulation of human hepatic drug transporter expression by activation of xenobiotic-sensing nuclear receptors. Expert Opin Drug Metab Toxicol 2016; 12:1463-1477. [PMID: 27548410 DOI: 10.1080/17425255.2016.1223626] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
INTRODUCTION If a drug is found to be an inducer of hepatic drug metabolizing enzymes via activation of nuclear receptors such as pregnane X receptor (PXR) or constitutive androstane receptor (CAR), it is likely that drug transporters regulated through these same receptors will be induced as well. This review highlights what is currently known about the molecular mechanisms that regulate transporter expression and where the research is directed. Areas covered: This review is focused on publications that describe the role of activated hepatic nuclear receptors in the subsequent regulation of drug uptake and/or efflux transporters following exposure to xenobiotics. Expert opinion: Many of the published studies on the role of nuclear receptors in the regulation of drug transporters involve non-human test animals. But due to species response differences, these associations are not always applicable to humans. For this reason, some relevant human in vitro models have been developed, such as primary or cryopreserved human hepatocytes, human liver slices, or HepG2 or HuH7 cell lines transiently or stably transfected with PXR expression and reporter constructs as well as in vivo models such as PXR-humanized mice. These human-relevant test systems will continue to be developed and applied for the testing of investigational drugs.
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Liu H, Sahi J. Role of Hepatic Drug Transporters in Drug Development. J Clin Pharmacol 2016; 56 Suppl 7:S11-22. [DOI: 10.1002/jcph.703] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2015] [Revised: 12/28/2015] [Accepted: 12/29/2015] [Indexed: 12/20/2022]
Affiliation(s)
- Houfu Liu
- Mechanistic Safety and Disposition, Platform Technology and Science; GlaxoSmithKline R&D; Shanghai China
| | - Jasminder Sahi
- Projects, Standards & Innovation; Asia Pacific DSAR, Sanofi; Shanghai China
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Witzigmann D, Quagliata L, Schenk SH, Quintavalle C, Terracciano LM, Huwyler J. Variable asialoglycoprotein receptor 1 expression in liver disease: Implications for therapeutic intervention. Hepatol Res 2016; 46:686-96. [PMID: 26422581 DOI: 10.1111/hepr.12599] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 09/07/2015] [Accepted: 09/19/2015] [Indexed: 02/08/2023]
Abstract
AIM One of the most promising strategies for the treatment of liver diseases is targeted drug delivery via the asialoglycoprotein receptor (ASGPR). The success of this approach heavily depends on the ASGPR expression level on parenchymal liver cells. In this study, we assessed the mRNA and protein expression levels of the major receptor subunit, ASGR1, in hepatocytes both in vitro and in vivo. METHODS In vitro, various liver cancer-derived cell lines were evaluated. In vivo, we screened the ASGR1 mRNA on 59 hepatocellular carcinoma and matched non-neoplastic tissue using RNA microarray. In addition, 350 human liver specimens of patients with hepatocellular carcinoma or non-neoplastic liver diseases were screened for ASGR1 protein level using tissue microarray analysis. RESULTS Our data reveal that the ASGR1 mRNA expression directly correlates with the protein level. We demonstrate that the ASGR1 expression is upregulated in cirrhotic specimens and is significantly decreased with increasing hepatocellular carcinoma grade. CONCLUSION Because the ASGR1 expression levels are variable between patients, our findings suggest that ASGPR-based targeting strategies should be combined with ASGPR-companion diagnostics to maximize clinical benefit.
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Affiliation(s)
- Dominik Witzigmann
- Division of Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland
| | - Luca Quagliata
- Institute of Pathology, Molecular Pathology Division, University Hospital of Basel, Basel, Switzerland
| | - Susanne H Schenk
- Division of Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland
| | - Cristina Quintavalle
- Institute of Pathology, Molecular Pathology Division, University Hospital of Basel, Basel, Switzerland
| | - Luigi M Terracciano
- Institute of Pathology, Molecular Pathology Division, University Hospital of Basel, Basel, Switzerland
| | - Jörg Huwyler
- Division of Pharmaceutical Technology, Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland
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Brian W, Tremaine LM, Arefayene M, de Kanter R, Evers R, Guo Y, Kalabus J, Lin W, Loi CM, Xiao G. Assessment of drug metabolism enzyme and transporter pharmacogenetics in drug discovery and early development: perspectives of the I-PWG. Pharmacogenomics 2016; 17:615-31. [PMID: 27045656 DOI: 10.2217/pgs.16.9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Genetic variants of drug metabolism enzymes and transporters can result in high pharmacokinetic and pharmacodynamic variability, unwanted characteristics of efficacious and safe drugs. Ideally, the contributions of these enzymes and transporters to drug disposition can be predicted from in vitro experiments and in silico modeling in discovery or early development, and then be utilized during clinical development. Recently, regulatory agencies have provided guidance on the preclinical investigation of pharmacogenetics, for application to clinical drug development. This white paper summarizes the results of an industry survey conducted by the Industry Pharmacogenomics Working Group on current practice and challenges with using in vitro systems and in silico models to understand pharmacogenetic causes of variability in drug disposition.
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Affiliation(s)
- William Brian
- Sanofi, Translational Medicine and Early Development, 55 Corporate Drive, Bridgewater, NJ 08807, USA
| | - Larry M Tremaine
- Pfizer Inc., Worldwide Research and Development, Department of Pharmacokinetics, Dynamics and Metabolism, Eastern Point Road, Groton, CT 06340, USA
| | - Million Arefayene
- Biogen, Early Development Sciences, 14 Cambridge Center, Cambridge, MA 02142, USA
| | - Ruben de Kanter
- Preclinical Pharmacokinetics and Metabolism, Actelion Pharmaceuticals Ltd., Gewerbestrasse 16, CH-4123 Allschwil, Switzerland
| | - Raymond Evers
- Merck & Co, Pharmacodynamics, Pharmacokinetics and Drug Metabolism, 2000 Galloping Hill Road, Kenilworth, NJ07033, USA
| | - Yingying Guo
- Eli Lilly and Company, Drug Disposition, LillyCorporate Center, Indianapolis, IN 46285, USA
| | - James Kalabus
- Novartis Pharmaceuticals, 1 Health Plaza, EastHanover, NJ 07936, USA
| | - Wen Lin
- Novartis Institutes for Biomedical Research, Drug Metabolism and Pharmacokinetics, One Health Plaza, East Hanover, NJ07936-1080, USA
| | - Cho-Ming Loi
- Pfizer Inc., Worldwide Research and Development, Department of Pharmacokinetics, Dynamics and Metabolism,10646 Science Center Drive, San Diego, CA 92121, USA
| | - Guangqing Xiao
- Biogen, Preclinical PK and In vitro ADME, 14 Cambridge Center, Cambridge, MA 02142, USA
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Inhibition of bile salt transport by drugs associated with liver injury in primary hepatocytes from human, monkey, dog, rat, and mouse. Chem Biol Interact 2016; 255:45-54. [PMID: 27000539 DOI: 10.1016/j.cbi.2016.03.019] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 03/03/2016] [Accepted: 03/16/2016] [Indexed: 01/02/2023]
Abstract
Interference of bile salt transport is one of the underlying mechanisms for drug-induced liver injury (DILI). We developed a novel bile salt transport activity assay involving in situ biosynthesis of bile salts from their precursors in primary human, monkey, dog, rat, and mouse hepatocytes in suspension as well as LC-MS/MS determination of extracellular bile salts transported out of hepatocytes. Glycine- and taurine-conjugated bile acids were rapidly formed in hepatocytes and effectively transported into the extracellular medium. The bile salt formation and transport activities were time‒ and bile-acid-concentration‒dependent in primary human hepatocytes. The transport activity was inhibited by the bile salt export pump (BSEP) inhibitors ketoconazole, saquinavir, cyclosporine, and troglitazone. The assay was used to test 86 drugs for their potential to inhibit bile salt transport activity in human hepatocytes, which included 35 drugs associated with severe DILI (sDILI) and 51 with non-severe DILI (non-sDILI). Approximately 60% of the sDILI drugs showed potent inhibition (with IC50 values <50 μM), but only about 20% of the non-sDILI drugs showed this strength of inhibition in primary human hepatocytes and these drugs are associated only with cholestatic and mixed hepatocellular cholestatic (mixed) injuries. The sDILI drugs, which did not show substantial inhibition of bile salt transport activity, are likely to be associated with immune-mediated liver injury. Twenty-four drugs were also tested in monkey, dog, rat and mouse hepatocytes. Species differences in potency were observed with mouse being less sensitive than other species to inhibition of bile salt transport. In summary, a novel assay has been developed using hepatocytes in suspension from human and animal species that can be used to assess the potential for drugs and/or drug-derived metabolites to inhibit bile salt transport and/or formation activity. Drugs causing sDILI, except those by immune-mediated mechanism, are highly associated with potent inhibition of bile salt transport.
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Cheng Y, Woolf TF, Gan J, He K. In vitro model systems to investigate bile salt export pump (BSEP) activity and drug interactions: A review. Chem Biol Interact 2015; 255:23-30. [PMID: 26683212 DOI: 10.1016/j.cbi.2015.11.029] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Revised: 11/10/2015] [Accepted: 11/26/2015] [Indexed: 01/04/2023]
Abstract
The bile salt export pump protein (BSEP), expressed on the canalicular membranes of hepatocytes, is primarily responsible for the biliary excretion of bile salts. The inhibition of BSEP transport activity can lead to an increase in intracellular bile salt levels and liver injury. This review discusses the various in vitro assays currently available for assessing the effect of drugs or other chemical entities to modulate BSEP transport activity. BSEP transporter assays use one of the following platforms: Xenopus laevis oocytes; canalicular membrane vesicles (CMV); BSEP-expressed membrane vesicles; cell lines expressing BSEP; sandwich cultured hepatocytes (SCH); and hepatocytes in suspension. Two of these, BSEP-expressed insect membrane vesicles and sandwich cultured hepatocytes, are the most commonly used assays. BSEP membrane vesicles prepared from transfected insect cells are useful for assessing BSEP inhibition or substrate specificity and exploring mechanisms of BSEP-associated genetic diseases. This model can be applied in a high-throughput format for discovery-drug screening. However, experimental results from use of membrane vesicles may lack physiological relevance and the model does not allow for investigation of in situ metabolism in modulation of BSEP activity. Hepatocyte-based assays that use the SCH format provide results that are generally more physiologically relevant than membrane assays. The SCH model is useful in detailed studies of the biliary excretion of drugs and BSEP inhibition, but due to the complexity of SCH preparation, this model is used primarily for determining biliary clearance and BSEP inhibition in a limited number of compounds. The newly developed hepatocyte in suspension assay avoids many of the complexities of the SCH method. The use of pooled cryopreserved hepatocytes in suspension minimizes genetic variance and individual differences in BSEP activity and also provides the opportunity for higher throughput screening and cross-species comparisons.
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Affiliation(s)
- Yaofeng Cheng
- Pharmaceutical Candidate Optimization, Bristol-Myers Squibb Company, Princeton, NJ 08543, USA
| | | | - Jinping Gan
- Pharmaceutical Candidate Optimization, Bristol-Myers Squibb Company, Princeton, NJ 08543, USA
| | - Kan He
- Biotranex LLC, Monmouth Junction, NJ 08852, USA.
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Volpe DA. Transporter assays as useful in vitro tools in drug discovery and development. Expert Opin Drug Discov 2015; 11:91-103. [DOI: 10.1517/17460441.2016.1101064] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Donna A. Volpe
- Food and Drug Administration, Center for Drug Evaluation and Research, Silver Spring, MD, USA
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Kong LL, Zhuang XM, Yang HY, Yuan M, Xu L, Li H. Inhibition of P-glycoprotein Gene Expression and Function Enhances Triptolide-induced Hepatotoxicity in Mice. Sci Rep 2015; 5:11747. [PMID: 26134275 PMCID: PMC4488747 DOI: 10.1038/srep11747] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Accepted: 06/04/2015] [Indexed: 11/29/2022] Open
Abstract
Triptolide (TP) is the major active principle of Tripterygium wilfordii Hook f. and very effective in treatment of autoimmune diseases. However, TP induced hepatotoxicity limited its clinical applications. Our previous study found that TP was a substrate of P-glycoprotein and its hepatobiliary clearance was markedly affected by P-gp modulation in sandwich-cultured rat hepatocytes. In this study, small interfering RNA (siRNA) and specific inhibitor tariquidar were used to investigate the impact of P-gp down regulation on TP-induced hepatotoxicity. The results showed that when the function of P-gp was inhibited by mdr1a-1 siRNA or tariquidar, the systemic and hepatic exposures of TP were significantly increased. The aggravated hepatotoxicity was evidenced with the remarkably lifted levels of serum biomarkers (ALT and AST) and pathological changes in liver. The other toxicological indicators (MDA, SOD and Bcl-2/Bax) were also significantly changed by P-gp inhibition. The data analysis showed that the increase of TP exposure in mice was quantitatively correlated to the enhanced hepatotoxicity, and the hepatic exposure was more relevant to the toxicity. P-gp mediated clearance played a significant role in TP detoxification. The risk of herb-drug interaction likely occurs when TP is concomitant with P-gp inhibitors or substrates in clinic.
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Affiliation(s)
- Ling-Lei Kong
- 1] State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China [2] Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Xiao-Mei Zhuang
- 1] State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China [2] Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Hai-Ying Yang
- 1] State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China [2] Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Mei Yuan
- 1] State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China [2] Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Liang Xu
- 1] State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China [2] Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
| | - Hua Li
- 1] State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China [2] Beijing Institute of Pharmacology and Toxicology, Beijing 100850, China
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Keemink J, Augustijns P, Annaert P. Unbound Ritonavir Concentrations in Rat and Human Hepatocytes. J Pharm Sci 2015; 104:2378-87. [DOI: 10.1002/jps.24477] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Revised: 04/16/2015] [Accepted: 04/16/2015] [Indexed: 12/17/2022]
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Nicolaï J, De Bruyn T, Van Veldhoven PP, Keemink J, Augustijns P, Annaert P. Verapamil hepatic clearance in four preclinical rat models: towards activity-based scaling. Biopharm Drug Dispos 2015; 36:462-80. [PMID: 25963583 DOI: 10.1002/bdd.1959] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 01/09/2015] [Accepted: 04/20/2015] [Indexed: 12/22/2022]
Abstract
The current study was designed to cross-validate rat liver microsomes (RLM), suspended rat hepatocytes (SRH) and the isolated perfused rat liver (IPRL) model against in vivo pharmacokinetic data, using verapamil as a model drug. Michaelis-Menten constants (Km), for the metabolic disappearance kinetics of verapamil in RLM and SRH (freshly isolated and cryopreserved), were determined and corrected for non-specific binding. The 'unbound' Km determined with RLM (2.8 µM) was divided by the 'unbound' Km determined with fresh and cryopreserved SRH (3.9 µM and 2.1 µM, respectively) to calculate the ratio of intracellular to extracellular unbound concentration (Kpu,u). Kpu,u was significantly different between freshly isolated (0.71) and cryopreserved (1.31) SRH, but intracellular capacity for verapamil metabolism was maintained after cryopreservation (200 vs. 191 µl/min/million cells). Direct comparison of intrinsic clearance values (Clint) in RLM versus SRH, yielded an activity-based scaling factor (SF) of 0.28-0.30 mg microsomal protein/million cells (MPPMC). Merging the IPRL-derived Clint with the MPPMC and SRH data, resulted in scaling factors for MPPGL (80 and 43 mg microsomal protein/g liver) and HPGL (269 and 153 million cells/g liver), respectively. Likewise, the hepatic blood flow (61 ml/min/kg b.wt) was calculated using IPRL Clint and the in vivo Cl. The scaling factors determined here are consistent with previously reported CYP450-content based scaling factors. Overall, the results show that integrated interpretation of data obtained with multiple preclinical tools (i.e. RLM, SRH, IPRL) can contribute to more reliable estimates for scaling factors and ultimately to improved in vivo clearance predictions based on in vitro experimentation.
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Affiliation(s)
- J Nicolaï
- Drug Delivery and Disposition, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, O&N2, Leuven, Belgium
| | - T De Bruyn
- Drug Delivery and Disposition, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, O&N2, Leuven, Belgium
| | - P P Van Veldhoven
- Laboratory of Lipid Biochemistry and Protein Interactions, KU Leuven Department of Cellular and Molecular Medicine, O&N1, Leuven, Belgium
| | - J Keemink
- Drug Delivery and Disposition, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, O&N2, Leuven, Belgium
| | - P Augustijns
- Drug Delivery and Disposition, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, O&N2, Leuven, Belgium
| | - P Annaert
- Drug Delivery and Disposition, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, O&N2, Leuven, Belgium
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Haslam IS, El-Chami C, Faruqi H, Shahmalak A, O'Neill CA, Paus R. Differential expression and functionality of ATP-binding cassette transporters in the human hair follicle. Br J Dermatol 2015; 172:1562-1572. [PMID: 25418064 DOI: 10.1111/bjd.13549] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/18/2014] [Indexed: 12/13/2022]
Abstract
BACKGROUND ATP-binding cassette (ABC) transporters are involved in the active transport of an extremely diverse range of substrates across biological membranes. These transporters are commonly implicated in the development of multidrug resistance and are also involved in numerous physiological and homeostatic processes, including lipid transport, cell migration and differentiation. OBJECTIVES To close the knowledge gap in the expression of ABC transporters in the human hair follicle (HF). METHODS Quantitative polymerase chain reaction (qPCR) of ABC genes and immunofluorescence microscopy analysis of cryosections of human HFs. RESULTS By qPCR analysis, numerous members of the ABC transporter superfamily, such as ABCB1, ABCG2 and ABCA12, were found to be transcribed in full-length human scalp HFs. Immunofluorescence microscopy demonstrated that the intrafollicular protein expression of different xenobiotic ABC transporters (ABCB1, ABCC1, ABCC4, ABCG2) varies greatly, with ABCG2 expression restricted primarily to the epithelial stem cell region of the outer root sheath (bulge), whereas expression of ABCB1, ABCC1 and ABCC4 was more widespread. Lipid transporters ABCA1, ABCA12 and ABCA4 were almost uniformly expressed throughout the HF epithelium. Functional ABCB1/G2 activity was demonstrated by exclusion of the substrate dye, Hoechst 33342. In the bulge, this was reversed by ABCB1 and ABCG2 inhibition. CONCLUSIONS These data encourage further investigation of ABC transporters as potentially important regulators of HF epithelial biology. Clinically, pharmacological modulation of the activity of selected intrafollicular ABC transporters may permit novel therapeutic interventions, such as protecting HF stem cells from chemotherapy-induced damage, counteracting cholesterol-associated hypertrichosis, and manipulating the intrafollicular prostaglandin balance in androgenetic alopecia.
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Affiliation(s)
- I S Haslam
- The Centre for Dermatology Research, Institute of Inflammation and Repair, University of Manchester, Oxford Road, Stopford Building, Manchester, M13 9PT, U.K
| | - C El-Chami
- The Centre for Dermatology Research, Institute of Inflammation and Repair, University of Manchester, Oxford Road, Stopford Building, Manchester, M13 9PT, U.K
| | - H Faruqi
- The Centre for Dermatology Research, Institute of Inflammation and Repair, University of Manchester, Oxford Road, Stopford Building, Manchester, M13 9PT, U.K
| | - A Shahmalak
- Crown Cosma Clinic, Thorley House, Bailey Lane, Manchester, U.K
| | - C A O'Neill
- The Centre for Dermatology Research, Institute of Inflammation and Repair, University of Manchester, Oxford Road, Stopford Building, Manchester, M13 9PT, U.K
| | - R Paus
- The Centre for Dermatology Research, Institute of Inflammation and Repair, University of Manchester, Oxford Road, Stopford Building, Manchester, M13 9PT, U.K.,Department of Dermatology, University of Münster, Münster, Germany
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Murray JW, Han D, Wolkoff AW. Hepatocytes maintain greater fluorescent bile acid accumulation and greater sensitivity to drug-induced cell death in three-dimensional matrix culture. Physiol Rep 2014; 2:2/12/e12198. [PMID: 25524275 PMCID: PMC4332201 DOI: 10.14814/phy2.12198] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Primary hepatocytes undergo phenotypic dedifferentiation upon isolation from liver that typically includes down regulation of uptake transporters and up regulation of efflux transporters. Culturing cells between layers of collagen in a three‐dimensional (3D) “sandwich” is reported to restore hepatic phenotype. This report examines how 3D culturing affects accumulation of fluorophores, the cytotoxic response to bile acids and drugs, and whether cell to cell differences in fluorescent anion accumulation correlate with differences in cytotoxicity. Hepatocytes were found to accumulate fluorescent bile acid (FBA) at significantly higher levels than the related fluorophores, carboxyfluorescein diacetate, (4.4‐fold), carboxyfluorescein succinimidyl ester (4.8‐fold), and fluorescein (30‐fold). In 2D culture, FBA accumulation decreased to background levels by 32 h, Hoechst nuclear accumulation strongly decreased, and nuclear diameter increased, indicative of an efflux phenotype. In 3D culture, FBA accumulation was maintained through 168 h but at 1/3 the original intensity. Cell to cell differences in accumulated FBA did not correlate with levels of liver zonal markers L‐FBAP (zone 1) or glutamine synthetase (zone 3). Cytotoxic response to hydrophobic bile acids, acetaminophen, and phalloidin was maintained in 3D culture, and cells with higher FBA accumulation showed 12–18% higher toxicity than the total population toward hydrophobic bile acids (P < 0.05). Long‐term imaging showed oscillations in the accumulation of FBA over periods of hours. Overall, the studies suggest that high accumulation of FBA can indicate the sensitivity of cultured hepatocytes to hydrophobic bile acids and other toxins. These studies use automated image analysis and fluorescent dye accumulation to demonstrate that 3D culturing enhances organic anion accumulation and cytotoxic response in long‐term hepatocyte cultures. The level of anion accumulation was found to vary through days in culture and also between single cells, and higher fluorescent bile acid accumulation correlated with higher toxic response to hydrophobic bile acids.
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Affiliation(s)
- John W Murray
- Department of Anatomy and Structural Biology, Division of Gastroenterology and Liver Diseases, Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
| | - Dennis Han
- Department of Anatomy and Structural Biology, Division of Gastroenterology and Liver Diseases, Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
| | - Allan W Wolkoff
- Department of Anatomy and Structural Biology, Division of Gastroenterology and Liver Diseases, Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York
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Englund G, Lundquist P, Skogastierna C, Johansson J, Hoogstraate J, Afzelius L, Andersson TB, Projean D. Cytochrome p450 inhibitory properties of common efflux transporter inhibitors. Drug Metab Dispos 2014; 42:441-7. [PMID: 24396142 DOI: 10.1124/dmd.113.054932] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Drug transporter inhibitors are important tools to elucidate the contribution of transporters to drug disposition both in vitro and in vivo. These inhibitors are often unselective and affect several transporters as well as drug metabolizing enzymes, which can make experimental results difficult to interpret with confidence. We therefore tested 14 commonly used P-glycoprotein (P-gp), breast cancer resistance protein (BCRP), and multidrug-resistance associated protein (MRP) inhibitors as inhibitors of cytochrome P450 (P450) enzyme activities using recombinant enzymes. A subset of P-gp and/or CYP3A inhibitors were selected (cyclosporin A, elacridar, ketoconazole, quinidine, reserpine, and tacrolimus) for a comparison of P450 inhibition in human microsomes and hepatocytes. Most P-gp inhibitors showed CYP3A4 inhibition, with potencies often in a similar range as their P-gp inhibition, as well as less potent CYP2C19 inhibition. Other P450 enzymes were not strongly inhibited except a few cases of CYP2D6 inhibition. MRP and BCRP inhibitors showed limited P450 inhibition. Some inhibitors showed less P450 inhibition in human hepatocytes than human liver microsomes, for example, elacridar, probably due to differences in binding, permeability limitations, or active, P-gp mediated efflux of the inhibitor from the hepatocytes. Quinidine was a potent P450 inhibitor in hepatocytes but only showed weak inhibition in microsomes. Quinidine shows an extensive cellular uptake, which may potentiate intracellular P450 inhibition. Elacridar, described as a potent and selective P-gp inhibitor, displayed modest P450 inhibition in this study and is thus a useful model inhibitor to define the role of P-gp in drug disposition without interference with other processes.
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Affiliation(s)
- Gunilla Englund
- CNS and Pain Innovative Medicines DMPK, AstraZeneca R&D, Södertälje (G.E., P.L., C.S., J.J., J.H., L.A.); Cardiovascular and Metabolic Diseases Innovative Medicines DMPK, AstraZeneca R&D, Mölndal (P.L., T.B.A., D.P.); Department of Pharmacy, Uppsala University, Uppsala (P.L.); and Section of Pharmacogenetics, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm (T.B.A.), Sweden
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