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Russell LE, Yadav J, Maldonato BJ, Chien HC, Zou L, Vergara AG, Villavicencio EG. Transporter-mediated drug-drug interactions: regulatory guidelines, in vitro and in vivo methodologies and translation, special populations, and the blood-brain barrier. Drug Metab Rev 2024:1-28. [PMID: 38967415 DOI: 10.1080/03602532.2024.2364591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Accepted: 05/31/2024] [Indexed: 07/06/2024]
Abstract
This review, part of a special issue on drug-drug interactions (DDIs) spearheaded by the International Society for the Study of Xenobiotics (ISSX) New Investigators, explores the critical role of drug transporters in absorption, disposition, and clearance in the context of DDIs. Over the past two decades, significant advances have been made in understanding the clinical relevance of these transporters. Current knowledge on key uptake and efflux transporters that affect drug disposition and development is summarized. Regulatory guidelines from the FDA, EMA, and PMDA that inform the evaluation of potential transporter-mediated DDIs are discussed in detail. Methodologies for preclinical and clinical testing to assess potential DDIs are reviewed, with an emphasis on the utility of physiologically based pharmacokinetic (PBPK) modeling. This includes the application of relative abundance and expression factors to predict human pharmacokinetics (PK) using preclinical data, integrating the latest regulatory guidelines. Considerations for assessing transporter-mediated DDIs in special populations, including pediatric, hepatic, and renal impairment groups, are provided. Additionally, the impact of transporters at the blood-brain barrier (BBB) on the disposition of CNS-related drugs is explored. Enhancing the understanding of drug transporters and their role in drug disposition and toxicity can improve efficacy and reduce adverse effects. Continued research is essential to bridge remaining gaps in knowledge, particularly in comparison with cytochrome P450 (CYP) enzymes.
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Affiliation(s)
- Laura E Russell
- Department of Quantitative, Translational, and ADME Sciences, AbbVie Inc, North Chicago, IL, USA
| | - Jaydeep Yadav
- Department of Pharmacokinetics, Dynamics, Metabolism, and Bioanalytics, Merck & Co., Inc, Boston, MA, USA
| | - Benjamin J Maldonato
- Department of Nonclinical Development and Clinical Pharmacology, Revolution Medicines, Inc, Redwood City, CA, USA
| | - Huan-Chieh Chien
- Department of Pharmacokinetics and Drug Metabolism, Amgen Inc, South San Francisco, CA, USA
| | - Ling Zou
- Department of Pharmacokinetics and Drug Metabolism, Amgen Inc, South San Francisco, CA, USA
| | - Ana G Vergara
- Department of Pharmacokinetics, Dynamics, Metabolism, and Bioanalytics, Merck & Co., Inc, Rahway, NJ, USA
| | - Erick G Villavicencio
- Department of Biology-Discovery, Imaging and Functional Genomics, Merck & Co., Inc, Rahway, NJ, USA
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Oezen G, Kraus L, Schentarra EM, Bolten JS, Huwyler J, Fricker G. Aluminum and ABC transporter activity. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 108:104451. [PMID: 38648870 DOI: 10.1016/j.etap.2024.104451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 04/06/2024] [Accepted: 04/16/2024] [Indexed: 04/25/2024]
Abstract
Aluminum is the third most common element on Earth´s crust and despite its wide use in our workaday life it has been associated with several health risks after overexposure. In the present study the impact of aluminum salts upon ABC transporter activity was studied in the P-GP-expressing human blood-brain barrier cell line hCMEC/D3, in MDCKII cells overexpressing BCRP and MRP2, respectively, and in freshly isolated, functionally intact kidney tubules from Atlantic killifish (Fundulus heteroclitus), which express the analog ABC transporters, P-gp, Bcrp and Mrp2. In contrast to previous findings with heavy metals salts (cadmium(II) chloride or mercury(II) chloride), which have a strong inhibitory effect on ABC transporter activity, or zinc(II) chloride and sodium arsenite, which have a stimulatory effect upon ABC transport function, the results indicate no modulatory effect of aluminum salts on the efflux activity of the human ABC transporters P-GP, BCRP and MRP2 nor on the analog transporters P-gp, Bcrp and Mrp2.
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Affiliation(s)
- Goezde Oezen
- Institute of Pharmacy and Molecular Biotechnology, Ruprecht-Karls University, Heidelberg 69120, Germany; Mount Desert Island Biological Laboratory, Salisbury Cove, ME 04672, United States
| | - Lisa Kraus
- Institute of Pharmacy and Molecular Biotechnology, Ruprecht-Karls University, Heidelberg 69120, Germany; Mount Desert Island Biological Laboratory, Salisbury Cove, ME 04672, United States
| | - Eva-Maria Schentarra
- Institute of Pharmacy and Molecular Biotechnology, Ruprecht-Karls University, Heidelberg 69120, Germany; Mount Desert Island Biological Laboratory, Salisbury Cove, ME 04672, United States
| | - Jan Stephan Bolten
- Mount Desert Island Biological Laboratory, Salisbury Cove, ME 04672, United States; Department of Pharmaceutical Sciences, University of Basel, Basel 4056, Switzerland
| | - Joerg Huwyler
- Mount Desert Island Biological Laboratory, Salisbury Cove, ME 04672, United States; Department of Pharmaceutical Sciences, University of Basel, Basel 4056, Switzerland
| | - Gert Fricker
- Institute of Pharmacy and Molecular Biotechnology, Ruprecht-Karls University, Heidelberg 69120, Germany; Mount Desert Island Biological Laboratory, Salisbury Cove, ME 04672, United States.
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Elsby R, Atkinson H, Butler P, Riley RJ. Studying the right transporter at the right time: an in vitro strategy for assessing drug-drug interaction risk during drug discovery and development. Expert Opin Drug Metab Toxicol 2022; 18:619-655. [PMID: 36205497 DOI: 10.1080/17425255.2022.2132932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Transporters are significant in dictating drug pharmacokinetics, thus inhibition of transporter function can alter drug concentrations resulting in drug-drug interactions (DDIs). Because they can impact drug toxicity, transporter DDIs are a regulatory concern for which prediction of clinical effect from in vitro data is critical to understanding risk. AREA COVERED The authors propose in vitro strategies to assist mitigating/removing transporter DDI risk during development by frontloading specific studies, or managing patient risk in the clinic. An overview of clinically relevant drug transporters and observed DDIs are provided, alongside presentation of key considerations/recommendations for in vitro study design evaluating drugs as inhibitors or substrates. Guidance on identifying critical co-medications, clinically relevant disposition pathways and using mechanistic static equations for quantitative prediction of DDI is compiled. EXPERT OPINION The strategies provided will facilitate project teams to study the right transporter at the right time to minimise development risks associated with DDIs. To truly alleviate or manage clinical risk, the industry will benefit from moving away from current qualitative basic static equation approaches to transporter DDI hazard assessment towards adopting the use of mechanistic models to enable quantitative DDI prediction, thereby contextualising risk to ascertain whether a transporter DDI is simply pharmacokinetic or clinically significant requiring intervention.
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Affiliation(s)
- Robert Elsby
- Drug Transporter Sciences, Cyprotex Discovery Ltd (an Evotec company), Alderley Park, Macclesfield, Cheshire, United Kingdom
| | - Hayley Atkinson
- Drug Transporter Sciences, Cyprotex Discovery Ltd (an Evotec company), Alderley Park, Macclesfield, Cheshire, United Kingdom
| | - Philip Butler
- ADME Sciences, Cyprotex Discovery Ltd (an Evotec company), Alderley Park, Macclesfield, Cheshire, United Kingdom
| | - Robert J Riley
- Drug Metabolism and Pharmacokinetics, Evotec, Abingdon, Oxfordshire, United Kingdom
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Characterization and Validation of Canine P-Glycoprotein-Deficient MDCK II Cell Lines for Efflux Substrate Screening. Pharm Res 2020; 37:194. [PMID: 32918191 DOI: 10.1007/s11095-020-02895-9] [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: 03/19/2020] [Accepted: 07/27/2020] [Indexed: 10/23/2022]
Abstract
PURPOSE We characterized three canine P-gp (cP-gp) deficient MDCKII cell lines. Their relevance for identifying efflux transporter substrates and predicting limitation of brain penetration were evaluated. In addition, we discuss how compound selection can be done in drug discovery by using these cell systems. METHOD hMDR1, hBCRP-transfected, and non-transfected MDCKII ZFN cells (all with knock-down of endogenous cP-gp) were used for measuring permeability and efflux ratios for substrates. The compounds were also tested in MDR1_Caco-2 and BCRP_Caco-2, each with a double knock-out of BCRP/MRP2 or MDR1/MRP2 transporters respectively. Efflux results were compared between the MDCK and Caco-2 models. Furthermore, in vitro MDR1_ZFN efflux data were correlated with in vivo unbound drug brain-to-plasma partition coefficient (Kp,uu). RESULTS MDR1 and BCRP substrates are correctly classified and robust transporter affinities with control substrates are shown. Cell passage mildly influenced mRNA levels of transfected transporters, but the transporter activity was proven stable for several years. The MDCK and Caco-2 models were in high consensus classifying same efflux substrates. Approx. 80% of enlisted substances were correctly predicted with the MDR1_ZFN model for brain penetration. CONCLUSION cP-gp deficient MDCKII ZFN models are reliable tools to identify MDR1 and BCRP substrates and useful for predicting efflux liability for brain penetration.
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Nielsen S, Westerhoff AM, Gé LG, Carlsen KL, Pedersen MDL, Nielsen CU. MRP2-mediated transport of etoposide in MDCKII MRP2 cells is unaffected by commonly used non-ionic surfactants. Int J Pharm 2019; 565:306-315. [PMID: 31085259 DOI: 10.1016/j.ijpharm.2019.05.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 05/04/2019] [Accepted: 05/10/2019] [Indexed: 11/26/2022]
Abstract
The aim of the present study was to investigate the ability of non-ionic surfactants to inhibit MRP2-mediated transport in vitro in MDCKII MRP2 cells. Transport studies across MDCKII MRP2 cell monolayers were performed using 3H-etoposide and 3H-digoxin. 19 different non-ionic surfactants, including several polysorbates (PS), cremophor EL, vitamin E-TPGS, and n-nonyl β-D-glucopyranoside (NG), were investigated. Barrier function of the cells was investigated measuring TEER and transport of 14C-glycine. The amount of isotope was quantified using liquid scintillation counting. In MDCKII MRP2 cells a polarized transport of etoposide and digoxin in the secretory (basolateral to apical) direction with efflux ratios of 5.5 ± 0.7 and 18.5 ± 4.2, respectively, was measured. P-gp inhibitors such as valspodar and zosuquidar did not affect etoposide transport, and furthermore PS20 decreased secretory transport of digoxin, but not of etoposide. Transport of etoposide was therefore mainly MRP2-mediated and used as a probe to investigate pharmaceutical excipients. Non-ionic surfactants did not modulate etoposide transport across intact cell monolayers of MRP2 overexpressing MDCKII cells, although preliminary studies suggest that most were able to alter MRP2-mediated efflux of the fluorescent 5-chloromethylfluorescein (CMF). In conclusion, etoposide transport across MDCKII MRP2 cells was modulated by cyclosporin A, an inhibitor of MRP2 and P-gp, but not by specific P-gp inhibitors (valspodar and zosuquidar), which suggests that etoposide transport is primarily influenced by MRP2. In addition, commonly used non-ionic surfactants did not decrease MRP2-mediated etoposide transport in MDCKII MRP2 cells. These results suggest that etoposide transport in MDCKII MRP2 cells is a model system to investigate MRP2 interactions, and that surfactants may not have a large potential for increasing oral bioavailability of drugs through inhibition of MRP2 transport activity.
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Affiliation(s)
- Salli Nielsen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Anne Marijke Westerhoff
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Lorraine Gaenaelle Gé
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Krestine Lundgaard Carlsen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Maria Diana Læssøe Pedersen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark
| | - Carsten Uhd Nielsen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark.
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Karlgren M, Simoff I, Keiser M, Oswald S, Artursson P. CRISPR-Cas9: A New Addition to the Drug Metabolism and Disposition Tool Box. Drug Metab Dispos 2018; 46:1776-1786. [PMID: 30126863 DOI: 10.1124/dmd.118.082842] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 08/03/2018] [Indexed: 02/06/2023] Open
Abstract
Clustered regularly interspaced short palindromic repeats (CRISPR)-CRISPR associated protein 9 (Cas9), i.e., CRISPR-Cas9, has been extensively used as a gene-editing technology during recent years. Unlike earlier technologies for gene editing or gene knockdown, such as zinc finger nucleases and RNA interference, CRISPR-Cas9 is comparably easy to use, affordable, and versatile. Recently, CRISPR-Cas9 has been applied in studies of drug absorption, distribution, metabolism, and excretion (ADME) and for ADME model generation. To date, about 50 papers have been published describing in vitro or in vivo CRISPR-Cas9 gene editing of ADME and ADME-related genes. Twenty of these papers describe gene editing of clinically relevant genes, such as ATP-binding cassette drug transporters and cytochrome P450 drug-metabolizing enzymes. With CRISPR-Cas9, the ADME tool box has been substantially expanded. This new technology allows us to develop better and more predictive in vitro and in vivo ADME models and map previously underexplored ADME genes and gene families. In this mini-review, we give an overview of the CRISPR-Cas9 technology and summarize recent applications of CRISPR-Cas9 within the ADME field. We also speculate about future applications of CRISPR-Cas9 in ADME research.
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Affiliation(s)
- M Karlgren
- Department of Pharmacy (M.Ka., P.A.), Uppsala University Drug Optimization and Pharmaceutical Profiling Platform, Department of Pharmacy (I.S.), and Science for Life Laboratory (P.A.), Uppsala University, Uppsala, Sweden; and Department of Clinical Pharmacology, Center of Drug Absorption and Transport, University Medicine of Greifswald, Germany (M.Ke., S.O.)
| | - I Simoff
- Department of Pharmacy (M.Ka., P.A.), Uppsala University Drug Optimization and Pharmaceutical Profiling Platform, Department of Pharmacy (I.S.), and Science for Life Laboratory (P.A.), Uppsala University, Uppsala, Sweden; and Department of Clinical Pharmacology, Center of Drug Absorption and Transport, University Medicine of Greifswald, Germany (M.Ke., S.O.)
| | - M Keiser
- Department of Pharmacy (M.Ka., P.A.), Uppsala University Drug Optimization and Pharmaceutical Profiling Platform, Department of Pharmacy (I.S.), and Science for Life Laboratory (P.A.), Uppsala University, Uppsala, Sweden; and Department of Clinical Pharmacology, Center of Drug Absorption and Transport, University Medicine of Greifswald, Germany (M.Ke., S.O.)
| | - S Oswald
- Department of Pharmacy (M.Ka., P.A.), Uppsala University Drug Optimization and Pharmaceutical Profiling Platform, Department of Pharmacy (I.S.), and Science for Life Laboratory (P.A.), Uppsala University, Uppsala, Sweden; and Department of Clinical Pharmacology, Center of Drug Absorption and Transport, University Medicine of Greifswald, Germany (M.Ke., S.O.)
| | - P Artursson
- Department of Pharmacy (M.Ka., P.A.), Uppsala University Drug Optimization and Pharmaceutical Profiling Platform, Department of Pharmacy (I.S.), and Science for Life Laboratory (P.A.), Uppsala University, Uppsala, Sweden; and Department of Clinical Pharmacology, Center of Drug Absorption and Transport, University Medicine of Greifswald, Germany (M.Ke., S.O.)
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Luo C, Li Y, Guo L, Zhang F, Liu H, Zhang J, Zheng J, Zhang J, Guo S. Graphene Quantum Dots Downregulate Multiple Multidrug-Resistant Genes via Interacting with Their C-Rich Promoters. Adv Healthc Mater 2017; 6. [PMID: 28748603 DOI: 10.1002/adhm.201700328] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 06/15/2017] [Indexed: 01/04/2023]
Abstract
Multidrug resistance (MDR) is the major factor in the failure of many forms of chemotherapy, mostly due to the increased efflux of anticancer drugs that mediated by ATP-binding cassette (ABC) transporters. Therefore, inhibiting ABC transporters is one of effective methods of overcoming MDR. However, high enrichment of ABC transporters in cells and their broad substrate spectra made to circumvent MDR are almost insurmountable by a single specific ABC transporter inhibitor. Here, this study demonstrates that graphene quantum dots (GQDs) could downregulate the expressions of P-glycoprotein, multidrug resistance protein MRP1, and breast cancer resistance protein genes via interacting with C-rich regions of their promoters. This is the first example that a single reagent could suppress multiple MDR genes, suggesting that it will be possible to target multiple ABC transporters simultaneously with a single reagent. The inhibitory ability of the GQDs to these drug-resistant genes is validated further by reversing the doxorubicin resistance of MCF-7/ADR cells. Notably, GQDs have superb chemical and physical properties, unique structure, low toxicity, and high biocompatibility; hence, their capability of inhibiting multiple drug-resistant genes holds great potential in cancer therapy.
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Affiliation(s)
- Chao Luo
- State Key Laboratory of Bioreactor Engineering; Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Meilong Rd. Shanghai 200237 P. R. China
| | - Yanfang Li
- State Key Laboratory of Bioreactor Engineering; Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Meilong Rd. Shanghai 200237 P. R. China
| | - Lijuan Guo
- State Key Laboratory of Bioreactor Engineering; Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Meilong Rd. Shanghai 200237 P. R. China
| | - Fangwei Zhang
- School of Electronic Information and Electrical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Rd. Shanghai 200240 P. R. China
| | - Hui Liu
- State Key Laboratory of Bioreactor Engineering; Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Meilong Rd. Shanghai 200237 P. R. China
| | - Jiali Zhang
- School of Electronic Information and Electrical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Rd. Shanghai 200240 P. R. China
| | - Jing Zheng
- State Key Laboratory of Bioreactor Engineering; Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Meilong Rd. Shanghai 200237 P. R. China
| | - Jingyan Zhang
- State Key Laboratory of Bioreactor Engineering; Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Meilong Rd. Shanghai 200237 P. R. China
| | - Shouwu Guo
- School of Electronic Information and Electrical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Rd. Shanghai 200240 P. R. China
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Müller J, Keiser M, Drozdzik M, Oswald S. Expression, regulation and function of intestinal drug transporters: an update. Biol Chem 2017; 398:175-192. [PMID: 27611766 DOI: 10.1515/hsz-2016-0259] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 08/31/2016] [Indexed: 01/05/2023]
Abstract
Although oral drug administration is currently the favorable route of administration, intestinal drug absorption is challenged by several highly variable and poorly predictable processes such as gastrointestinal motility, intestinal drug solubility and intestinal metabolism. One further determinant identified and characterized during the last two decades is the intestinal drug transport that is mediated by several transmembrane proteins such as P-gp, BCRP, PEPT1 and OATP2B1. It is well-established that intestinal transporters can affect oral absorption of many drugs in a significant manner either by facilitating their cellular uptake or by pumping them back to gut lumen, which limits their oral bioavailability. Their functional relevance becomes even more apparent in cases of unwanted drug-drug interactions when concomitantly given drugs that cause transporter induction or inhibition, which in turn leads to increased or decreased drug exposure. The longitudinal expression of several intestinal transporters is not homogeneous along the human intestine, which may have functional implications on the preferable site of intestinal drug absorption. Besides the knowledge about the expression of pharmacologically relevant transporters in human intestinal tissue, their exact localization on the apical or basolateral membrane of enterocytes is also of interest but in several cases debatable. Finally, there is obviously a coordinative interplay of intestinal transporters (apical-basolateral), intestinal enzymes and transporters as well as intestinal and hepatic transporters. This review aims to give an updated overview about the expression, localization, regulation and function of clinically relevant transporter proteins in the human intestine.
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Xiao L, Yi T, Chen M, Lam CWK, Zhou H. A new mechanism for increasing the oral bioavailability of scutellarin with Cremophor EL: Activation of MRP3 with concurrent inhibition of MRP2 and BCRP. Eur J Pharm Sci 2016; 93:456-67. [DOI: 10.1016/j.ejps.2016.08.054] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 08/24/2016] [Accepted: 08/28/2016] [Indexed: 01/16/2023]
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Mandal A, Pal D, Mitra AK. Circumvention of P-gp and MRP2 mediated efflux of lopinavir by a histidine based dipeptide prodrug. Int J Pharm 2016; 512:49-60. [PMID: 27543355 DOI: 10.1016/j.ijpharm.2016.08.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 07/28/2016] [Accepted: 08/13/2016] [Indexed: 01/29/2023]
Abstract
PURPOSE This study was aimed to develop a novel Histidine-Leucine-Lopinavir (His-Leu-LPV) dipeptide prodrug and evaluate its potential for circumvention of P-gp and MRP2-mediated efflux of lopinavir (LPV) indicated for HIV-1 infection. METHODS His-Leu-LPV was synthesized following esterification of hydroxyl group of LPV and was identified by (1)H NMR and LCMS/MS techniques. Aqueous solubility, stability and cell cytotoxicity of prodrug was determined. Uptake and permeability studies were carried out using P-gp (MDCK-MDR1) and MRP2 (MDCK-MRP2) transfected cell lines. To further delineate prodrug uptake, prodrug interaction with influx transporters (PepT1 and PHT1) was determined. Enzymatic hydrolysis and reconversion of His-Leu-LPV to LPV was examined using Caco-2 cell homogenates. RESULTS Aqueous solubility generated by the prodrug was markedly higher relative to unmodified LPV. Importantly, His-Leu-LPV displayed significantly lower affinity towards P-gp and MRP2 as evident from higher uptake and transport rates. [3H]-GlySar and [3H]-l-His uptake receded to approximately 30% in the presence of His-Leu-LPV supporting the PepT1/PHT1 mediated uptake process. A steady regeneration of LPV and Leu-LPV in Caco-2 cell homogenates indicated His-Leu-LPV undergoes both esterase and peptidase-mediated hydrolysis. CONCLUSION Histidine based dipeptide prodrug approach can be an alternative strategy to improve LPV absorption across poorly permeable intestinal barrier.
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Affiliation(s)
- Abhirup Mandal
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Missouri-Kansas City, 2464 Charlotte Street, Kansas City, MO 64108, USA
| | - Dhananjay Pal
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Missouri-Kansas City, 2464 Charlotte Street, Kansas City, MO 64108, USA
| | - Ashim K Mitra
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Missouri-Kansas City, 2464 Charlotte Street, Kansas City, MO 64108, USA.
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Wen JH, Wei XH, Sheng XY, Zhou DQ, Peng HW, Lu YN, Zhou J. Effect of Ursolic Acid on Breast Cancer Resistance Protein-mediated Transport of Rosuvastatin In Vivo and Vitro. CHINESE MEDICAL SCIENCES JOURNAL = CHUNG-KUO I HSUEH K'O HSUEH TSA CHIH 2015; 30:218-25. [PMID: 26960302 DOI: 10.1016/s1001-9294(16)30004-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE To evaluate whether ursolic acid can inhibit breast cancer resistance protein (BCRP)-mediated transport of rosuvastatin in vivo and in vitro. METHODS Firstly, we explored the pharmacokinetics of 5-fluorouracil (5-FU, a substrate of BCRP) in rats in the presence or absence of ursolic acid. Secondly, we studied the pharmacokinetics of rosuvastatin in rats in the presence or absence of ursolic acid or Ko143 (inhibitor of BCRP). Finially, the concentration-dependent transport of rosuvastatin and the inhibitory effects of ursolic acid and Ko143 were examined in Madin-Darby Canine Kidney (MDCK) 2-BCRP421CC (wild type) cells and MDCK2-BCRP421AA (mutant type) cells. RESULTS As a result, significant changes in pharmacokinetics parameters of 5-FU were observed in rats following pretreatment with ursolic acid. Both ursolic acid and Ko143 could significantly affect the pharmacokinetics of rosuvastatin. The rosuvastatin transport in the BCRP overexpressing system was increased in a concentration-dependent manner. However, there was no statistical difference in BCRP-mediated transport of rosuvastatin betweent the wild type cells and mutant cells. The same as Ko143, ursolic acid inhibited BCRP-mediated transport of rosuvastatin in vitro. CONCLUSION Ursolic acid appears to be a potent modulator of BCRP that affects the pharmacokinetic of rosuvastatin in vivo and inhibits the transport of rosuvastatin in vitro.
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Affiliation(s)
- Jin-hua Wen
- Department of Pharmacy, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Xiao-hua Wei
- Department of Pharmacy, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Xiang-yuan Sheng
- Department of Pharmacy, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - De-qing Zhou
- Department of Pharmacy, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Hong-wei Peng
- Department of Pharmacy, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Yan-ni Lu
- Department of Pharmacy, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Jian Zhou
- Department of Pharmacy, the First Affiliated Hospital of Nanchang University, Nanchang 330006, China
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Galetti M, Petronini PG, Fumarola C, Cretella D, La Monica S, Bonelli M, Cavazzoni A, Saccani F, Caffarra C, Andreoli R, Mutti A, Tiseo M, Ardizzoni A, Alfieri RR. Effect of ABCG2/BCRP Expression on Efflux and Uptake of Gefitinib in NSCLC Cell Lines. PLoS One 2015; 10:e0141795. [PMID: 26536031 PMCID: PMC4633241 DOI: 10.1371/journal.pone.0141795] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 10/13/2015] [Indexed: 01/07/2023] Open
Abstract
Background BCRP/ABCG2 emerged as an important multidrug resistance protein, because it confers resistance to several classes of cancer chemotherapeutic agents and to a number of novel molecularly-targeted therapeutics such as tyrosine kinase inhibitors. Gefitinib is an orally active, selective EGFR tyrosine kinase inhibitor used in the treatment of patients with advanced non small cell lung cancer (NSCLC) carrying activating EGFR mutations. Membrane transporters may affect the distribution and accumulation of gefitinib in tumour cells; in particular a reduced intracellular level of the drug may result from poor uptake, enhanced efflux or increased metabolism. Aim The present study, performed in a panel of NSCLC cell lines expressing different ABCG2 plasma membrane levels, was designed to investigate the effect of the efflux transporter ABCG2 on intracellular gefitinib accumulation, by dissecting the contribution of uptake and efflux processes. Methods and Results Our findings indicate that gefitinib, in lung cancer cells, inhibits ABCG2 activity, as previously reported. In addition, we suggest that ABCG2 silencing or overexpression affects intracellular gefitinib content by modulating the uptake rather than the efflux. Similarly, overexpression of ABCG2 affected the expression of a number of drug transporters, altering the functional activities of nutrient and drug transport systems, in particular inhibiting MPP, glucose and glutamine uptake. Conclusions Therefore, we conclude that gefitinib is an inhibitor but not a substrate for ABCG2 and that ABCG2 overexpression may modulate the expression and activity of other transporters involved in the uptake of different substrates into the cells.
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Affiliation(s)
- Maricla Galetti
- Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
- Italian Workers’ Compensation Authority (INAIL), Research Centre at the University of Parma, Parma, Italy
| | - Pier Giorgio Petronini
- Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
- * E-mail:
| | - Claudia Fumarola
- Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
| | - Daniele Cretella
- Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
| | - Silvia La Monica
- Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
| | - Mara Bonelli
- Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
| | - Andrea Cavazzoni
- Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
| | - Francesca Saccani
- Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
| | - Cristina Caffarra
- Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
| | - Roberta Andreoli
- Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
| | - Antonio Mutti
- Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
- Italian Workers’ Compensation Authority (INAIL), Research Centre at the University of Parma, Parma, Italy
| | - Marcello Tiseo
- Division of Medical Oncology, University Hospital of Parma, Parma, Italy
| | - Andrea Ardizzoni
- Medical Oncology Unit, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - Roberta R. Alfieri
- Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy
- * E-mail:
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13
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Novel delivery approaches for cancer therapeutics. J Control Release 2015; 219:248-268. [PMID: 26456750 DOI: 10.1016/j.jconrel.2015.09.067] [Citation(s) in RCA: 95] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 09/09/2015] [Accepted: 09/30/2015] [Indexed: 02/07/2023]
Abstract
Currently, a majority of cancer treatment strategies are based on the removal of tumor mass mainly by surgery. Chemical and physical treatments such as chemo- and radiotherapies have also made a major contribution in inhibiting rapid growth of malignant cells. Furthermore, these approaches are often combined to enhance therapeutic indices. It is widely known that surgery, chemo- and radiotherapy also inhibit normal cells growth. In addition, these treatment modalities are associated with severe side effects and high toxicity which in turn lead to low quality of life. This review encompasses novel strategies for more effective chemotherapeutic delivery aiming to generate better prognosis. Currently, cancer treatment is a highly dynamic field and significant advances are being made in the development of novel cancer treatment strategies. In contrast to conventional cancer therapeutics, novel approaches such as ligand or receptor based targeting, triggered release, intracellular drug targeting, gene delivery, cancer stem cell therapy, magnetic drug targeting and ultrasound-mediated drug delivery, have added new modalities for cancer treatment. These approaches have led to selective detection of malignant cells leading to their eradication with minimal side effects. Lowering multi-drug resistance and involving influx transportation in targeted drug delivery to cancer cells can also contribute significantly in the therapeutic interventions in cancer.
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14
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Miyamoto R, Nozawa T, Kimura M, Shiozuka K, Tabata K. Development and Validation of Semiautomated 96-Well Transport Assay Using LLC-PK1 Cells Transfected with Human P-Glycoprotein for High-Throughput Screening. Assay Drug Dev Technol 2015; 13:79-87. [DOI: 10.1089/adt.2014.621] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Rei Miyamoto
- Drug Metabolism and Pharmacokinetics Research Division, Astellas Research Technologies Co., Ltd., Ibaraki, Japan
| | - Takashi Nozawa
- Analysis and Pharmacokinetics Research Labs, Astellas Pharma, Inc., Ibaraki, Japan
| | - Mayuko Kimura
- Drug Metabolism and Pharmacokinetics Research Division, Astellas Research Technologies Co., Ltd., Ibaraki, Japan
| | - Koichi Shiozuka
- Drug Metabolism and Pharmacokinetics Research Division, Astellas Research Technologies Co., Ltd., Ibaraki, Japan
| | - Kenji Tabata
- Analysis and Pharmacokinetics Research Labs, Astellas Pharma, Inc., Ibaraki, Japan
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15
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Transcellular transport characteristics of huperzine alone or in combination with ginkgolide B across Caco-2 and Madin-Darby canine kidney cell monolayer. ASIAN PAC J TROP MED 2014; 7:889-94. [DOI: 10.1016/s1995-7645(14)60155-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2014] [Revised: 09/10/2014] [Accepted: 10/15/2014] [Indexed: 11/23/2022] Open
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16
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Same-single-cell analysis using the microfluidic biochip to reveal drug accumulation enhancement by an amphiphilic diblock copolymer drug formulation. Anal Bioanal Chem 2014; 406:7071-83. [PMID: 25315452 DOI: 10.1007/s00216-014-8151-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2014] [Revised: 08/25/2014] [Accepted: 09/01/2014] [Indexed: 10/24/2022]
Abstract
Multidrug resistance (MDR) is one of the major obstacles in drug delivery, and it is usually responsible for unsuccessful cancer treatment. MDR may be overcome by using MDR inhibitors. Among different classes of these inhibitors that block drug efflux mediated by permeability-glycoprotein (P-gp), less toxic amphiphilic diblock copolymers composed of methoxypolyethyleneglycol-block-polycaprolactone (MePEG-b-PCL) have been studied extensively. The purpose of this work is to evaluate how these copolymer molecules can reduce the efflux, thereby enhancing the accumulation of P-gp substrates (e.g., daunorubicin or DNR) in MDR cells. Using conventional methods, it was found that the low-molecular-weight diblock copolymer, MePEG17-b-PCL5 (PCL5), enhanced drug accumulation in MDCKII-MDR1 cells, but the high-molecular-weight version, MePEG114-b-PCL200 (PCL200), did not. However, when PCL200 was mixed with PCL5 (and DNR) in order to encapsulate them to facilitate drug delivery, there was no drug enhancement effect attributable to PCL5, and the reason for this negative result was unclear. Since drug accumulation measured on different cell batches originated from single cells, we employed the same-single-cell analysis in the accumulation mode (SASCA-A) to find out the reason. A microfluidic biochip was used to select single MDR cells, and the accumulation of DNR was fluorescently measured in real time on these cells in the absence and presence of PCL5. The SASCA-A method allowed us to obtain drug accumulation information faster in comparison to conventional assays. The SASCA-A results, and subsequent curve-fitting analysis of the data, have confirmed that when PCL5 was encapsulated in PCL200 nanoparticles as soon as they were synthesized, the ability of PCL5 to enhance DNR accumulation was retained, thus suggesting PCL200 as a promising delivery system for encapsulating P-gp inhibitors, such as PCL5.
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17
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Li J, Wang Y, Hidalgo IJ. Kinetic Analysis of Human and Canine P-Glycoprotein-Mediated Drug Transport in MDR1-MDCK Cell Model: Approaches to Reduce False-Negative Substrate Classification. J Pharm Sci 2013; 102:3436-46. [DOI: 10.1002/jps.23523] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Revised: 03/05/2013] [Accepted: 03/05/2013] [Indexed: 01/13/2023]
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