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Chen JH, Lin IH, Sun CK, Yang L, Hsueh TY, Ting CT, Tsai TH. Transplacental transfer of acetaminophen in pregnant rats. Biomed Pharmacother 2022; 154:113613. [PMID: 36058146 DOI: 10.1016/j.biopha.2022.113613] [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: 07/21/2022] [Revised: 08/25/2022] [Accepted: 08/25/2022] [Indexed: 11/30/2022] Open
Abstract
Acetaminophen is among the most widely used analgesics; however, the proportion and mechanism of transplacental transfer of unbound acetaminophen with actual pharmacological activity remain unknown. Our hypothesis is that acetaminophen gradually penetrates the blood-placenta barrier to reach the fetus. A multiple microdialysis coupled to liquid chromatography with photodiode array detection method was developed to monitor acetaminophen levels in the maternal blood, placenta, fetus, and amniotic fluid of a pregnant rat and investigate this hypothesis. The pharmacokinetic data indicates that acetaminophen exhibits a nonlinear behavior in the maternal blood within the dosage regimen of 100 and 300 mg/kg. In addition, acetaminophen penetrates the placenta, fetus, and amniotic fluid during treatment. The transplacental transfer ratio represented by the area under the concentration curve (AUC) ratio for the conceptus (the collective term for the fetus, placenta, and amniotic fluid) and maternal blood (AUCtissue/AUCblood) was approximately 11-23 % after acetaminophen (100 and 300 mg/kg) administration. However, the transporter of multidrug resistance-associated protein (MRP) inhibitor MK-571 did not significantly change the transplacental transfer ratio. This basic study provides constructive information for the clinical application of acetaminophen in pregnant women.
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Affiliation(s)
- Jung-Hung Chen
- Institute of Traditional Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - I-Hsin Lin
- Institute of Traditional Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Chung-Kai Sun
- Institute of Traditional Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Ling Yang
- Institute of Traditional Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Thomas Y Hsueh
- Division of Urology, Department of Surgery, Taipei City Hospital Renai Branch, Taipei 106, Taiwan; Department of Urology, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Chin-Tsung Ting
- Division of Gastrointestinal Surgery, Department of Surgery, Renai Branch, Taipei City Hospital, Taipei 106, Taiwan; General Education Center, University of Taipei, Taipei 100, Taiwan
| | - Tung-Hu Tsai
- Institute of Traditional Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan; Graduate Institute of Acupuncture Science, China Medical University, Taichung 40402, Taiwan; Department of Education and Research, Taipei City Hospital, Taipei 106, Taiwan.
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2
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Ghanem CI, Manautou JE. Role and Regulation of Hepatobiliary ATP-Binding Cassette Transporters during Chemical-Induced Liver Injury. Drug Metab Dispos 2022; 50:1376-1388. [PMID: 35914951 PMCID: PMC9513844 DOI: 10.1124/dmd.121.000450] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 07/20/2022] [Indexed: 11/22/2022] Open
Abstract
Severity of drug-induced liver injury (DILI) ranges from mild, asymptomatic, and transient elevations in liver function tests to irreversible liver damage, often needing transplantation. Traditionally, DILI is classified mechanistically as high-frequency intrinsic DILI, commonly dose dependent or DILI that rarely occurs and is idiosyncratic in nature. This latter form is not dose dependent and has a pattern of histopathological manifestation that is not always uniform. Currently, a third type of DILI called indirect hepatotoxicity has been described that is associated with the pharmacological action of the drug. Historically, DILI was primarily linked to drug metabolism events; however, the impact of transporter-mediated rates of drug uptake and excretion has gained greater prominence in DILI research. This review provides a comprehensive view of the major findings from studies examining the contribution of hepatic ATP-binding cassette transporters as key contributors to DILI and how changes in their expression and function influence the development, severity, and overall toxicity outcome. SIGNIFICANCE STATEMENT: Drug-induced liver injury (DILI) continues to be a focal point in drug development research. ATP-binding cassette (ABC) transporters have emerged as important determinants of drug detoxification, disposition, and safety. This review article provides a comprehensive analysis of the literature addressing: (a) the role of hepatic ABC transporters in DILI, (b) the influence of genetic mutations in ABC transporters on DILI, and (c) new areas of research emphasis, such as the influence of the gut microbiota and epigenetic regulation, on ABC transporters.
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Affiliation(s)
- Carolina I Ghanem
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET) (C.I.G.) and Cátedra de Fisiopatología (C.I.G.), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina; and Department of Pharmaceutical Sciences, University of Connecticut, Storrs, Connecticut (J.E.M.)
| | - Jose E Manautou
- Instituto de Investigaciones Farmacológicas (ININFA-UBA-CONICET) (C.I.G.) and Cátedra de Fisiopatología (C.I.G.), Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Argentina; and Department of Pharmaceutical Sciences, University of Connecticut, Storrs, Connecticut (J.E.M.)
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3
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Thunbo MØ, Vendelbo JH, Volqvartz T, Witte DR, Larsen A, Pedersen LH. Polypharmacy in polymorbid pregnancies and the risk of congenital malformations-A systematic review. Basic Clin Pharmacol Toxicol 2021; 130:394-414. [PMID: 34841667 DOI: 10.1111/bcpt.13695] [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: 06/15/2021] [Revised: 11/19/2021] [Accepted: 11/19/2021] [Indexed: 12/29/2022]
Abstract
With an increased prevalence of concurrent morbidities during pregnancy, polypharmacy has become increasingly common in pregnant women. The risks associated with polypharmacy may exceed those of individual medication because of drug-drug interactions. This systematic review aims to evaluate the risk of congenital malformations in polymorbid pregnancies exposed to first-trimester polypharmacy. PubMed, Embase and Scopus were searched to identify original human studies with first- trimester polypharmacy due to polymorbidity as the exposure and congenital malformations as the outcome. After screening of 4034 identified records, seven studies fulfilled the inclusion criteria. Four of the seven studies reported an increased risk of congenital malformations compared with unexposed or monotherapy, odds ratios ranging from 1.1 to >10.0. Particularly, short-term anti-infective treatment combined with other drugs and P-glycoprotein substrates were associated with increased malformation risks. In conclusion, knowledge is limited on risks associated with first-trimester polypharmacy due to polymorbidity with the underlying evidence of low quantity and quality. Therefore, an increased focus on pharmacovigilance to enable safe drug use in early pregnancy is needed. Large-scale register-based studies and better knowledge of placental biology are needed to support the clinical management of polymorbid pregnancies that require polypharmacy.
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Affiliation(s)
| | | | - Tabia Volqvartz
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | - Daniel R Witte
- Department of Public Health, Aarhus University, Aarhus, Denmark.,Steno Diabetes Center Aarhus, Aarhus University Hospital, Aarhus, Denmark
| | - Agnete Larsen
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Lars Henning Pedersen
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.,Department of Biomedicine, Aarhus University, Aarhus, Denmark.,Department of Obstetrics and Gynaecology, Aarhus University Hospital, Aarhus, Denmark
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4
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LaBranche TP, Kopec AK, Mantena SR, Hollingshead BD, Harrington AW, Stewart ZS, Zhan Y, Hayes KD, Whiteley LO, Burdick AD, Davis JW. Zucker Lean Rats With Hepatic Steatosis Recapitulate Asymptomatic Metabolic Syndrome and Exhibit Greater Sensitivity to Drug-Induced Liver Injury Compared With Standard Nonclinical Sprague-Dawley Rat Model. Toxicol Pathol 2020; 48:994-1007. [PMID: 33252024 DOI: 10.1177/0192623320968716] [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] [Indexed: 12/13/2022]
Abstract
Fatty liver disease is a potential risk factor for drug-induced liver injury (DILI). Despite advances in nonclinical in vitro and in vivo models to assess liver injury during drug development, the pharmaceutical industry is still plagued by idiosyncratic DILI. Here, we tested the hypothesis that certain features of asymptomatic metabolic syndrome (namely hepatic steatosis) increase the risk for DILI in certain phenotypes of the human population. Comparison of the Zucker Lean (ZL) and Zucker Fatty rats fed a high fat diet (HFD) revealed that HFD-fed ZL rats developed mild hepatic steatosis with compensatory hyperinsulinemia without increases in liver enzymes. We then challenged steatotic HFD-fed ZL rats and Sprague-Dawley (SD) rats fed normal chow, a nonclinical model widely used in the pharmaceutical industry, with acetaminophen overdose to induce liver injury. Observations in HFD-fed ZL rats included increased liver injury enzymes and greater incidence and severity of hepatic necrosis compared with similarly treated SD rats. The HFD-fed ZL rats also had disproportionately higher hepatic drug accumulation, which was linked with abnormal hepatocellular efflux transporter distribution. Here, we identify ZL rats with HFD-induced hepatic steatosis as a more sensitive nonclinical in vivo test system for modeling DILI compared with SD rats fed normal chow.
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Affiliation(s)
- Timothy P LaBranche
- 376392Pfizer Inc, Cambridge, MA, USA.,Blueprint Medicines, Cambridge, MA, USA.,*Timothy P. LaBranche and Anna K. Kopec contributed equally
| | - Anna K Kopec
- 2253Pfizer Inc, Groton, CT, USA.,*Timothy P. LaBranche and Anna K. Kopec contributed equally
| | | | | | - Andrew W Harrington
- 2253Pfizer Inc, Chesterfield, MO, USA.,Department of Ophthalmology & Visual Sciences, Washington University School of Medicine, St Louis, MO, USA
| | - Zachary S Stewart
- 2253Pfizer Inc, Andover, MA, USA.,Hooke Laboratories, Lawrence, MA, USA
| | | | - Kyle D Hayes
- 2253Pfizer Inc, Andover, MA, USA.,Mallinckrodt Pharmaceuticals, Hazelwood, MO, USA
| | | | | | - John W Davis
- 376392Pfizer Inc, Cambridge, MA, USA.,Dyne Therapeutics, Waltham, MA, USA
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5
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Human multidrug resistance protein 4 (MRP4) is a cellular efflux transporter for paracetamol glutathione and cysteine conjugates. Arch Toxicol 2020; 94:3027-3032. [PMID: 32472168 PMCID: PMC7415487 DOI: 10.1007/s00204-020-02793-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 05/20/2020] [Indexed: 11/02/2022]
Abstract
Paracetamol (acetaminophen, APAP) overdose is a leading cause of acute drug-induced liver failure. APAP hepatotoxicity is mediated by the reactive metabolite N-acetyl-p-benzoquinone imine (NAPQI). NAPQI is inactivated by conjugation with glutathione (GSH) to APAP-GSH, which is further converted into its cysteine derivative APAP-CYS. Before necrosis of hepatocytes occurs, APAP-CYS is measurable in plasma of the affected patient and it has been proposed as an early biomarker of acetaminophen toxicity. APAP-GSH and APAP-CYS can be extruded by hepatocytes, but the transporters involved are unknown. In this study we examined whether ATP-binding cassette (ABC) transporters play a role in the cellular efflux of APAP, APAP-GSH, and APAP-CYS. The ABC transport proteins P-gp/ABCB1, BSEP/ABCB11, BCRP/ABCG2, and MRP/ABCC1-5 were overexpressed in HEK293 cells and membrane vesicles were produced. Whereas P-gp, BSEP, MRP3, MRP5, and BCRP did not transport any of the compounds, uptake of APAP-GSH was found for MRP1, MRP2 and MRP4. APAP-CYS appeared to be a substrate of MRP4 and none of the ABC proteins transported APAP. The results suggest that the NAPQI metabolite APAP-CYS can be excreted into plasma by MRP4, where it could be a useful biomarker for APAP exposure and toxicity. Characterization of the cellular efflux of APAP-CYS is important for its development as a biomarker, because plasma concentrations might be influenced by drug-transporter interactions and upregulation of MRP4.
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6
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Regulation of hepatic P-gp expression and activity by genistein in rats. Arch Toxicol 2020; 94:1625-1635. [DOI: 10.1007/s00204-020-02708-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 03/09/2020] [Indexed: 12/16/2022]
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7
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Vigo MB, Pérez MJ, De Fino F, Gómez G, Martínez SA, Bisagno V, Di Carlo MB, Scazziota A, Manautou JE, Ghanem CI. Acute acetaminophen intoxication induces direct neurotoxicity in rats manifested as astrogliosis and decreased dopaminergic markers in brain areas associated with locomotor regulation. Biochem Pharmacol 2019; 170:113662. [DOI: 10.1016/j.bcp.2019.113662] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Accepted: 10/08/2019] [Indexed: 01/13/2023]
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8
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Jaccob AA, Ahmed ZH, Aljasani BM. Vitamin C, omega-3 and paracetamol pharmacokinetic interactions using saliva specimens as determiners. J Basic Clin Physiol Pharmacol 2019; 30:jbcpp-2019-0011. [PMID: 31393833 DOI: 10.1515/jbcpp-2019-0011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 07/08/2019] [Indexed: 12/25/2022]
Abstract
Background With its low side effects profile and availability as an over-the-counter drug, paracetamol has been utilized extensively worldwide as an antipyretic and analgesic agent for decades. This is associated with the increasing concern over its ease of access and/or unawareness of the consumers to this issue of paracetamol-induced hepatotoxicity. Paracetamol-induced liver injury today is a big problem where most of the researchers are interested in the possible role of the naturally available antioxidants to ameliorate hepatotoxicity through kinetic interference. So the present study was designed to evaluate the effect of vitamin C and omega-3 on the pharmacokinetic property of paracetamol. Methods Six young (average age 29) healthy volunteers participated in the study. The study included three consecutive periods, each of which preceded by overnight fasting and separated by 6 day washout periods. The first period involved the ingestion of a single paracetamol dose. The second one included the ingestion of paracetamol and vitamin C concomitantly, and the final period included paracetamol plus omega-3. Saliva samples were collected and prepared for High-performance liquid chromatography analysis. Results There was a significant increase in saliva paracetamol level after 30 min of administration when given concomitantly with vitamin C compared with the remaining groups. No significant differences in the paracetamol concentration profile between the subjects for each group were observed at 60, 90, 120 and 150 min in all treated groups. Conclusion Concurrent administration of vitamin C with paracetamol increases significantly the Cmax level (maximum measured concentration) in saliva and increases the extent of absorption and the possibility of drug-drug interaction and risk of side effects.
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Affiliation(s)
- Ausama Ayob Jaccob
- Department of Pharmacology and Toxicology, College of Pharmacy, Basrah University, Basrah City, Iraq
| | - Zainab Haroon Ahmed
- Department of Pharmacology and Toxicology, College of Pharmacy, Basrah University, Basrah City, Iraq
| | - Baan Majid Aljasani
- Department of Pharmacology and Toxicology, College of Pharmacy, Basrah University, Basrah City, Iraq
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9
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Yao HT, Yang YH, Li ML. Intake of Molecular Hydrogen in Drinking Water Increases Membrane Transporters, p-Glycoprotein, and Multidrug Resistance-Associated Protein 2 without Affecting Xenobiotic-Metabolizing Enzymes in Rat Liver. Molecules 2019; 24:E2627. [PMID: 31330936 PMCID: PMC6680492 DOI: 10.3390/molecules24142627] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 07/16/2019] [Accepted: 07/17/2019] [Indexed: 02/03/2023] Open
Abstract
Molecular hydrogen (H2) has been shown to have antioxidant and anti-inflammatory activities that may reduce the development and progression of many diseases. In this study, hydrogen-rich water (HRW) was obtained by reacting hybrid magnesium-carbon hydrogen storage materials with water. Then, the effects of intake of HRW on the activities of xenobiotic-metabolizing enzymes, membrane transporters, and oxidative stress in rats were investigated. Rats were given HRW ad libitum for four weeks. The results showed that intake of HRW had no significant effect on the activities of various cytochrome P450 (CYP) enzymes (CYP1A1, 1A2, 2B, 2C, 2D, 2E1, 3A, and 4A), glutathione-S-transferase, and Uridine 5'-diphospho (UDP)-glucuronosyltransferase. Except for a mild lower plasma glucose concentration, intake of HRW had no effect on other plasma biochemical parameters in rats. p-Glycoprotein and multidrug resistance-associated protein (Mrp) 2 protein expressions in liver were elevated after intake of HRW. However, HRW had no significant effects on glutathione, glutathione peroxidase, or lipid peroxidation in liver. The results from this study suggest that consumption of HRW may not affect xenobiotic metabolism or oxidative stress in liver. However, intake of HRW may increase the efflux of xenobiotics or toxic substances from the liver into bile by enhancing p-glycoprotein and Mrp2 protein expressions.
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Affiliation(s)
- Hsien-Tsung Yao
- Department of Nutrition, China Medical University, 91 Hsueh-shih Road, Taichung 404, Taiwan.
| | - Yu-Hsuan Yang
- Department of Nutrition, China Medical University, 91 Hsueh-shih Road, Taichung 404, Taiwan
| | - Mei-Ling Li
- Department of Nutrition, China Medical University, 91 Hsueh-shih Road, Taichung 404, Taiwan
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10
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Ghanem CI, Manautou JE. Modulation of Hepatic MRP3/ABCC3 by Xenobiotics and Pathophysiological Conditions: Role in Drug Pharmacokinetics. Curr Med Chem 2019; 26:1185-1223. [PMID: 29473496 DOI: 10.2174/0929867325666180221142315] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Revised: 01/17/2018] [Accepted: 02/05/2018] [Indexed: 12/13/2022]
Abstract
Liver transporters play an important role in the pharmacokinetics and disposition of pharmaceuticals, environmental contaminants, and endogenous compounds. Among them, the family of ATP-Binding Cassette (ABC) transporters is the most important due to its role in the transport of endo- and xenobiotics. The ABCC sub-family is the largest one, consisting of 13 members that include the cystic fibrosis conductance regulator (CFTR/ABCC7); the sulfonylurea receptors (SUR1/ABCC8 and SUR2/ABCC9) and the multidrug resistanceassociated proteins (MRPs). The MRP-related proteins can collectively confer resistance to natural, synthetic drugs and their conjugated metabolites, including platinum-containing compounds, folate anti-metabolites, nucleoside and nucleotide analogs, among others. MRPs can be also catalogued into "long" (MRP1/ABCC1, -2/C2, -3/C3, -6/C6, and -7/C10) and "short" (MRP4/C4, -5/C5, -8/C11, -9/C12, and -10/C13) categories. While MRP2/ABCC2 is expressed in the canalicular pole of hepatocytes, all others are located in the basolateral membrane. In this review, we summarize information from studies examining the changes in expression and regulation of the basolateral hepatic transporter MPR3/ABCC3 by xenobiotics and during various pathophysiological conditions. We also focus, primarily, on the consequences of such changes in the pharmacokinetic, pharmacodynamic and/or toxicity of different drugs of clinical use transported by MRP3.
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Affiliation(s)
- Carolina I Ghanem
- Instituto de Investigaciones Farmacologicas (ININFA), Facultad de Farmacia y Bioquimica. CONICET. Universidad de Buenos Aires, Buenos Aires, Argentina.,Catedra de Fisiopatologia. Facultad de Farmacia y Bioquimica. Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Jose E Manautou
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT, United States
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11
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Li FC, Lee SL, Lin HM, Lin CJ, Wang SS, Lee YY, Lo SY, Sun TL, Chen WL, Lo W, Horton N, Xu C, Chiang SJ, Chen YF, Lee HS, Dong CY. Dynamic visualization of the recovery of mouse hepatobiliary metabolism to acetaminophen-overdose damage. JOURNAL OF BIOPHOTONICS 2019; 12:e201800296. [PMID: 30302934 DOI: 10.1002/jbio.201800296] [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: 08/13/2018] [Revised: 10/04/2018] [Accepted: 10/08/2018] [Indexed: 06/08/2023]
Abstract
Acetaminophen (APAP) overdose is one of the world's leading causes of drug-induced hepatotoxicity. Although traditional methods such as histological imaging and biochemical assays have been successfully applied to evaluate the extent of APAP-induced liver damage, detailed effect of how APAP overdose affect the recovery of hepatobiliary metabolism and is not completely understood. In this work, we used intravital multiphoton microscopy to image and quantify hepatobiliary metabolism of the probe 6-carboxyfluorescein diacetate in APAP-overdose mice. We analyzed hepatobiliary metabolism for up to 7 days following the overdose and found that the excretion of the probe molecule was the most rapid on Day 1 following APAP overdose and slowed down on Days 2 and 3. On Day 7, probe excretion capability has exceeded that of the normal mice, suggesting that newly regenerated hepatocytes have higher metabolic capabilities. Our approach may be further developed applied to studying drug-induced hepatotoxicity in vivo.
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Affiliation(s)
- Feng-Chieh Li
- Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China
| | - Sheng-Lin Lee
- Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China
| | - Hung-Ming Lin
- Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China
| | - Chih-Ju Lin
- Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China
| | - Sheng-Shun Wang
- Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China
| | - Yu-Yang Lee
- Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China
| | - Su-Yen Lo
- Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China
| | - Tzu-Lin Sun
- Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China
| | - Wei-Liang Chen
- Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China
| | - Wen Lo
- Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China
| | - Nicholas Horton
- School of Engineering and Applied Physics, Cornell University, Ithaca, New York
| | - Chris Xu
- School of Engineering and Applied Physics, Cornell University, Ithaca, New York
| | - Shu-Jen Chiang
- Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China
| | - Yang-Fang Chen
- Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China
| | - Hsuan-Shu Lee
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan, Republic of China
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan, Republic of China
| | - Chen-Yuan Dong
- Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China
- Center for Optoelectronic Biomedicine, National Taiwan University, Taipei, Taiwan, Republic of China
- Molecular Imaging Center, National Taiwan University, Taipei, Taiwan, Republic of China
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12
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Karbownik A, Szałek E, Sobańska K, Grabowski T, Wolc A, Grześkowiak E. Pharmacokinetic drug-drug interaction between erlotinib and paracetamol: A potential risk for clinical practice. Eur J Pharm Sci 2017; 102:55-62. [PMID: 28232141 DOI: 10.1016/j.ejps.2017.02.028] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 01/27/2017] [Accepted: 02/18/2017] [Indexed: 12/26/2022]
Abstract
BACKGROUND Erlotinib is a tyrosine kinase inhibitor available for the treatment of non-small cell lung cancer. Paracetamol is an analgesic agent, commonly used in cancer patients. Because these drugs are often co-administered, there is an increasing issue of interaction between them. OBJECTIVE The aim of the study was to investigate the effect of paracetamol on the pharmacokinetic parameters of erlotinib, as well as the influence of erlotinib on the pharmacokinetics of paracetamol. METHODS The rabbits were divided into three groups: the rabbits receiving erlotinib (IER), the group receiving paracetamol (IIPR), and the rabbits receiving erlotinib+paracetamol (IIIER+PR). A single dose of erlotinib was administered orally (25mg) and was administered intravenously (35mg/kg). Plasma concentrations of erlotinib, its metabolite (OSI420), paracetamol and its metabolites - glucuronide and sulphate were measured with the validated method. RESULTS During paracetamol co-administration we observed increased erlotinib maximum concentration (Cmax) and area under the plasma concentration-time curve from time zero to infinity (AUC0-∞) by 87.7% and 31.1%, respectively. In turn, erlotinib lead to decreased paracetamol AUC0-∞ by 35.5% and Cmax by 18.9%. The mean values of paracetamol glucuronide/paracetamol ratios for Cmax were 32.2% higher, whereas paracetamol sulphate/paracetamol ratios for Cmax and AUC0-∞ were 37.1% and 57.1% lower in the IIPR group, when compared to the IIIER+PR group. CONCLUSIONS Paracetamol had significant effect on the enhanced plasma exposure of erlotinib. Additionally, erlotinib contributed to the lower concentrations of paracetamol. Decreased glucuronidation and increased sulphation of paracetamol after co-administration of erlotinib were also observed.
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Affiliation(s)
- Agnieszka Karbownik
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Św. Marii Magdaleny 14, PL 61-861 Poznań, Poland
| | - Edyta Szałek
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Św. Marii Magdaleny 14, PL 61-861 Poznań, Poland
| | - Katarzyna Sobańska
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Św. Marii Magdaleny 14, PL 61-861 Poznań, Poland.
| | | | - Anna Wolc
- Department of Animal Science, Iowa State University, 239E Kildee Hall, Ames, IA 50011, USA; Hy-Line International, 2583 240th Street, Dallas Center, IA 50063, USA
| | - Edmund Grześkowiak
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Św. Marii Magdaleny 14, PL 61-861 Poznań, Poland
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13
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Singh D, Cho WC, Upadhyay G. Drug-Induced Liver Toxicity and Prevention by Herbal Antioxidants: An Overview. Front Physiol 2016; 6:363. [PMID: 26858648 PMCID: PMC4726750 DOI: 10.3389/fphys.2015.00363] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 11/16/2015] [Indexed: 12/14/2022] Open
Abstract
The liver is the center for drug and xenobiotic metabolism, which is influenced most with medication/xenobiotic-mediated toxic activity. Drug-induced hepatotoxicity is common and its actual frequency is hard to determine due to underreporting, difficulties in detection or diagnosis, and incomplete observation of exposure. The death rate is high, up to about 10% for drug-induced liver damage. Endorsed medications represented >50% of instances of intense liver failure in a study from the Acute Liver Failure Study Group of the patients admitted in 17 US healing facilities. Albeit different studies are accessible uncovering the mechanistic aspects of medication prompted hepatotoxicity, we are in the dilemma about the virtual story. The expanding prevalence and effectiveness of Ayurveda and natural products in the treatment of various disorders led the investigators to look into their potential in countering drug-induced liver toxicity. Several natural products have been reported to date to mitigate the drug-induced toxicity. The dietary nature and less adverse reactions of the natural products provide them an extra edge over other candidates of supplementary medication. In this paper, we have discussed the mechanism involved in drug-induced liver toxicity and the potential of herbal antioxidants as supplementary medication.
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Affiliation(s)
- Divya Singh
- Department of Biology, City College of New York New York, NY, USA
| | - William C Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital Kowloon, Hong Kong
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Fructose-induced metabolic syndrome decreases protein expression and activity of intestinal P-glycoprotein. Nutrition 2015; 31:871-6. [DOI: 10.1016/j.nut.2015.01.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 11/21/2014] [Accepted: 01/03/2015] [Indexed: 11/21/2022]
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15
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Ghanem CI, Rudraiah S, Bataille AM, Vigo MB, Goedken MJ, Manautou JE. Role of nuclear factor-erythroid 2-related factor 2 (Nrf2) in the transcriptional regulation of brain ABC transporters during acute acetaminophen (APAP) intoxication in mice. Biochem Pharmacol 2015; 94:203-11. [PMID: 25667042 DOI: 10.1016/j.bcp.2015.01.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 01/16/2015] [Accepted: 01/20/2015] [Indexed: 02/06/2023]
Abstract
UNLABELLED Changes in expression of liver ABC transporters have been described during acute APAP intoxication. However, the effect of APAP on brain ABC transporters is poorly understood. The aim of this study was to evaluate the effect of APAP on brain ABC transporters expression and the role of the oxidative stress sensor Nrf2. Male C57BL/6J mice were administered APAP (400mg/kg) for analysis of brain mRNA and protein expression of Mrp1-6, Bcrp and P-gp. The results show induction of P-gp, Mrp2 and Mrp4 proteins, with no changes in Bcrp, Mrp1 or Mrp5-6. The protein values were accompanied by corresponding changes in mRNA levels. Additionally, brain Nrf2 nuclear translocation and expression of two Nrf2 target genes, NAD(P)H quinone oxidoreductase 1 (Nqo1) and Hemoxygenase 1 (Ho-1), was evaluated at 6, 12 and 24h after APAP treatment. Nrf2 nuclear content increased by 58% at 12h after APAP along with significant increments in mRNA and protein expression of Nqo1 and Ho-1. Furthermore, APAP treated Nrf2 knockout mice did not increase mRNA or protein expression of Mrp2 and Mrp4 as observed in wildtypes. In contrast, P-gp induction by APAP was observed in both genotypes. In conclusion, acute APAP intoxication induces protein expression of brain P-gp, Mrp2 and Mrp4. This study also suggests that brain changes in Mrp2 and Mrp4 expression may be due to in situ Nrf2 activation by APAP, while P-gp induction is independent of Nrf2 function. The functional consequences of these changes in brain ABC transporters by APAP deserve further attention.
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Affiliation(s)
- Carolina I Ghanem
- Instituto de Investigaciones Farmacológicas (ININFA), Facultad de Farmacia y Bioquímica, CONICET, Universidad de Buenos Aires, Buenos Aires, Argentina; Cátedra de Fisiopatología. Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Swetha Rudraiah
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT, United States
| | - Amy M Bataille
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT, United States
| | - María B Vigo
- Instituto de Investigaciones Farmacológicas (ININFA), Facultad de Farmacia y Bioquímica, CONICET, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Michael J Goedken
- Office of Translational Science, Rutgers University, Piscataway, NJ 08854, United States
| | - José E Manautou
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT, United States.
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16
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Chitosan oligosaccharides reduce acetaminophen-induced hepatotoxicity by suppressing CYP-mediated bioactivation. J Funct Foods 2015. [DOI: 10.1016/j.jff.2014.11.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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The effect of acetaminophen on the expression of BCRP in trophoblast cells impairs the placental barrier to bile acids during maternal cholestasis. Toxicol Appl Pharmacol 2014; 277:77-85. [PMID: 24631341 DOI: 10.1016/j.taap.2014.02.019] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Revised: 02/18/2014] [Accepted: 02/28/2014] [Indexed: 01/05/2023]
Abstract
Acetaminophen is used as first-choice drug for pain relief during pregnancy. Here we have investigated the effect of acetaminophen at subtoxic doses on the expression of ABC export pumps in trophoblast cells and its functional repercussion on the placental barrier during maternal cholestasis. The incubation of human choriocarcinoma cells (JAr, JEG-3 and BeWo) with acetaminophen for 48h resulted in no significant changes in the expression and/or activity of MDR1 and MRPs. In contrast, in JEG-3 cells, BCRP mRNA, protein, and transport activity were reduced. In rat placenta, collected at term, acetaminophen administration for the last three days of pregnancy resulted in enhanced mRNA, but not protein, levels of Mrp1 and Bcrp. In fact, a decrease in Bcrp protein was found. Using in situ perfused rat placenta, a reduction in the Bcrp-dependent fetal-to-maternal bile acid transport after treating the dams with acetaminophen was found. Complete biliary obstruction in pregnant rats induced a significant bile acid accumulation in fetal serum and tissues, which was further enhanced when the mothers were treated with acetaminophen. This drug induced increased ROS production in JEG-3 cells and decreased the total glutathione content in rat placenta. Moreover, the NRF2 pathway was activated in JEG-3 cells as shown by an increase in nuclear NRF2 levels and an up-regulation of NRF2 target genes, NQO1 and HMOX-1, which was not observed in rat placenta. In conclusion, acetaminophen induces in placenta oxidative stress and a down-regulation of BCRP/Bcrp, which may impair the placental barrier to bile acids during maternal cholestasis.
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Tsujimoto T, Ogura J, Kuwayama K, Koizumi T, Sasaki S, Terada Y, Kobayashi M, Yamaguchi H, Iseki K. Effect of oxidative stress on expression and function of human and rat organic anion transporting polypeptides in the liver. Int J Pharm 2013. [DOI: 10.1016/j.ijpharm.2013.10.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Kim Y, Smith A, Wu AHB. C3435T polymorphism of MDR1 gene with warfarin resistance. Clin Chim Acta 2013; 425:34-6. [PMID: 23872171 DOI: 10.1016/j.cca.2013.07.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Revised: 07/03/2013] [Accepted: 07/11/2013] [Indexed: 10/26/2022]
Abstract
BACKGROUND Some patients show warfarin resistance needing more than 70 mg of warfarin per week. In this study, we examined if C3435T polymorphism of MDR1 gene could be a factor of warfarin resistance. METHODS We examined 196 blood specimens from the patients who took warfarin more than 42 mg/week for at least 1 year. The subjects consisted of 74 European Americans, 59 African Americans, 42 Hispanic Americans and 21 Asian Americans. Genotype of C3435T polymorphism was determined by using real-time polymerase chain reaction (PCR). RESULTS Ninety (45.9%) of the 196 patients had C3435T genotype and the remaining patients had C3435C genotype (35.7%) and T3435T genotype (18.4%). Mean dose of warfarin of patients with C3435C, C3435T and T3435T genotypes were 59.5mg/week, 56.9 mg/week and 55.6 mg/week, respectively. There was no statistical difference in the dose of warfarin between the 3 genotypes within each race. CONCLUSION Our results suggest that C3435T polymorphism of MDR1 gene is not associated with warfarin resistance.
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Affiliation(s)
- Yeongsic Kim
- Department of Laboratory Medicine, The Catholic University of Korea, Seoul, Korea
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20
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McGill MR, Jaeschke H. Metabolism and disposition of acetaminophen: recent advances in relation to hepatotoxicity and diagnosis. Pharm Res 2013; 30:2174-87. [PMID: 23462933 DOI: 10.1007/s11095-013-1007-6] [Citation(s) in RCA: 437] [Impact Index Per Article: 39.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2012] [Accepted: 02/06/2013] [Indexed: 12/11/2022]
Abstract
Acetaminophen (APAP) is one of the most widely used drugs. Though safe at therapeutic doses, overdose causes mitochondrial dysfunction and centrilobular necrosis in the liver. The first studies of APAP metabolism and activation were published more than 40 years ago. Most of the drug is eliminated by glucuronidation and sulfation. These reactions are catalyzed by UDP-glucuronosyltransferases (UGT1A1 and 1A6) and sulfotransferases (SULT1A1, 1A3/4, and 1E1), respectively. However, some is converted by CYP2E1 and other cytochrome P450 enzymes to a reactive intermediate that can bind to sulfhydryl groups. The metabolite can deplete liver glutathione (GSH) and modify cellular proteins. GSH binding occurs spontaneously, but may also involve GSH-S-transferases. Protein binding leads to oxidative stress and mitochondrial damage. The glucuronide, sulfate, and GSH conjugates are excreted by transporters in the canalicular (Mrp2 and Bcrp) and basolateral (Mrp3 and Mrp4) hepatocyte membranes. Conditions that interfere with metabolism and metabolic activation can alter the hepatotoxicity of the drug. Recent data providing novel insights into these processes, particularly in humans, are reviewed in the context of earlier work, and the effects of altered metabolism and reactive metabolite formation are discussed. Recent advances in the diagnostic use of serum adducts are covered.
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Affiliation(s)
- Mitchell R McGill
- Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, 3901 Rainbow Blvd, MS 1018, Kansas City, Kansas 66160, USA
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Shan YQ, Ren G, Wang YX, Pang J, Zhao ZY, Yao J, You XF, Si SY, Song DQ, Kong WJ, Jiang JD. Berberine analogue IMB-Y53 improves glucose-lowering efficacy by averting cellular efflux especially P-glycoprotein efflux. Metabolism 2013; 62:446-56. [PMID: 23079743 DOI: 10.1016/j.metabol.2012.09.009] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2012] [Revised: 09/13/2012] [Accepted: 09/14/2012] [Indexed: 11/24/2022]
Abstract
OBJECTIVE Cellular efflux transporters, especially P-glycoprotein (P-gp), impel berberine (BBR) out of cells, and therefore reduce bioavailability of the compound. This study was designed to overcome efflux of BBR using P-gp as a target. MATERIALS/METHODS Molecular docking study was done to identify BBR analogues that were with low affinity to P-gp. Flow cytometry was used to determine cellular efflux of chemicals. Pharmacokinetic study was performed in Wistar rats, following oral administration of the study compounds. The efficacies of chemicals on glucose homeostasis were determined both in cultured cells and diabetic KK-Ay and db/db mice. RESULTS In the molecular docking study, we found that among BBR analogues pseudo-berberine (IMB-Y53) has low affinity to P-gp. IMB-Y53 was retained in Caco-2, HL-7702 and C2C12 cells for a significantly longer period of time than BBR did. P-gp inhibitor tetrandrine (Tet) abolished the efflux of BBR at different extent depending on the expression level of P-gp; however, Tet had no impact on IMB-Y53 efflux. BBR increased P-gp expression dose-dependently in intestinal and liver cells; IMB-Y53 also up-regulated P-gp but at a much lower level as compared with BBR. Administered at equal dose in rats, the maximum plasma concentration (C(max)) and area under concentration-time curve (AUC(0-24)) of IMB-Y53 were 1.61 and 2.27-fold of those of BBR, respectively, indicating an improved bioavailability. IMB-Y53 stimulated glucose utility in cultured cells with a degree similar to that of BBR, but exhibited enhanced glucose-lowering efficacy in KK-Ay and db/db diabetic mice. CONCLUSIONS These results suggest that overcoming cellular efflux especially P-gp's function improves bioavailability and hypoglycemic effect of BBR.
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Affiliation(s)
- Yong-Qiang Shan
- Department of Pharmacology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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22
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Corsini A, Bortolini M. Drug-induced liver injury: the role of drug metabolism and transport. J Clin Pharmacol 2013; 53:463-74. [PMID: 23436293 DOI: 10.1002/jcph.23] [Citation(s) in RCA: 112] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2012] [Accepted: 07/17/2012] [Indexed: 12/11/2022]
Abstract
Many studies have pinpointed the significant contribution of liver-mediated drug metabolism and transport to the complexity of drug-induced liver injury (DILI). Phase I cytochrome P450 (CYP450) enzymes can lead to altered drug metabolism and formation of toxic metabolites, whilst Phase II enzymes are also associated with DILI. The emerging role of hepatic transporters in regulating the movement of endogenous and exogenous chemicals (e.g., bile acids and drugs) across cellular and tissue membranes is critical in determining the pathophysiology of liver disease as well as drug toxicity and efficacy. Genetic and environmental factors can have a significant impact on drug metabolism and transporter proteins, consequently increasing the risk of DILI in susceptible individuals. The assessment of these factors therefore represents an important approach for predicting and preventing DILI, by better understanding the pharmacological profile of a specific drug. This review focuses on the mechanisms of DILI associated with drug metabolism and hepatic transport, and how they can be influenced by underlying factors.
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Affiliation(s)
- Alberto Corsini
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano, Milan, Italy.
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Shan YQ, Zhu YP, Pang J, Wang YX, Song DQ, Kong WJ, Jiang JD. Tetrandrine Potentiates the Hypoglycemic Efficacy of Berberine by Inhibiting P-Glycoprotein Function. Biol Pharm Bull 2013; 36:1562-9. [DOI: 10.1248/bpb.b13-00272] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yong-Qiang Shan
- Department of Pharmacology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College
| | - Yan-Ping Zhu
- Department of Pharmacology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College
| | - Jing Pang
- Department of Pharmacology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College
| | - Yan-Xiang Wang
- Department of Pharmacology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College
| | - Dan-Qing Song
- Department of Pharmacology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College
| | - Wei-Jia Kong
- Department of Pharmacology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College
| | - Jian-Dong Jiang
- Department of Pharmacology, Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College
- State Key Laboratory of Bioactive Natural Products and Function, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College
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Rhee JS, Jeong CB, Kim BM, Lee JS. P-glycoprotein (P-gp) in the monogonont rotifer, Brachionus koreanus: molecular characterization and expression in response to pharmaceuticals. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2012; 114-115:104-118. [PMID: 22446822 DOI: 10.1016/j.aquatox.2012.02.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2011] [Revised: 02/12/2012] [Accepted: 02/13/2012] [Indexed: 05/31/2023]
Abstract
P-glycoprotein is involved in the efflux of diverse chemicals, including hydrophobic compounds and pharmaceuticals as a first line of defense. Here, we firstly identified and characterized the P-gp (Bk-P-gp) gene in the rotifer, Brachionus koreanus. Bk-P-gp was highly conserved in genomic organization compared to the human P-gp gene. Messenger RNA expression of Bk-P-gp revealed that it would be regulated by temperature change via 14 heat shock response elements in its promoter region. Bk-P-gp showed a high similarity of motifs/domains compared to those of vertebrates in its amino acid sequences. To check whether Bk-P-gp would be inducible, we exposed B. koreanus to six pharmaceuticals including antibiotics for use in aquaculture and observed dose- and time-dependency on transcripts of Bk-P-gp for 24h over a wide range of concentration. Efflux assay and membrane topology supported its conserved function for transportation of a number of chemicals upon cellular damage. To reveal the effect of pharmaceuticals on the rotifer, we measured survival rate and population growth rate after exposure to six pharmaceuticals. In an acute toxicity test, both NOEC and LC₅₀ values for all the pharmaceuticals were high for 24 h. ATP, CBZ, SMX, and TMP markedly inhibited the population growth of B. koreanus after exposure up to 100 mg/L for 10 days. In this paper, we demonstrated that various pharmaceuticals can retard growth rate with up-regulation of the P-gp gene as a cellular defense system. This finding provides a better understanding of molecular mechanisms involved in pharmaceutical-mediated cellular damage in B. koreanus.
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Affiliation(s)
- Jae-Sung Rhee
- Department of Molecular and Environmental Bioscience, Graduate School, Hanyang University, Seoul 133-791, South Korea
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25
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Ghanem CI, Arias A, Novak A, Carpini GD, Villanueva S, Blazquez AG, Marin JJ, Mottino AD, Rubio MC. Acetaminophen-induced stimulation of MDR1 expression and activity in rat intestine and in LS 174T human intestinal cell line. Biochem Pharmacol 2011; 81:244-50. [DOI: 10.1016/j.bcp.2010.10.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2010] [Revised: 10/06/2010] [Accepted: 10/08/2010] [Indexed: 10/18/2022]
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Gu X, Manautou JE. Regulation of hepatic ABCC transporters by xenobiotics and in disease states. Drug Metab Rev 2010; 42:482-538. [PMID: 20233023 DOI: 10.3109/03602531003654915] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
The subfamily of ABCC transporters consists of 13 members in mammals, including the multidrug resistance-associated proteins (MRPs), sulfonylurea receptors (SURs), and the cystic fibrosis transmembrane conductance regulator (CFTR). These proteins play roles in chemical detoxification, disposition, and normal cell physiology. ABCC transporters are expressed differentially in the liver and are regulated at the transcription and translation level. Their expression and function are also controlled by post-translational modification and membrane-trafficking events. These processes are tightly regulated. Information about alterations in the expression of hepatobiliary ABCC transporters could provide important insights into the pathogenesis of diseases and disposition of xenobiotics. In this review, we describe the regulation of hepatic ABCC transporters in humans and rodents by a variety of xenobiotics, under disease states and in genetically modified animal models deficient in transcription factors, transporters, and cell-signaling molecules.
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Affiliation(s)
- Xinsheng Gu
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, 06269, USA
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27
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Klaassen CD, Aleksunes LM. Xenobiotic, bile acid, and cholesterol transporters: function and regulation. Pharmacol Rev 2010; 62:1-96. [PMID: 20103563 PMCID: PMC2835398 DOI: 10.1124/pr.109.002014] [Citation(s) in RCA: 561] [Impact Index Per Article: 40.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Transporters influence the disposition of chemicals within the body by participating in absorption, distribution, and elimination. Transporters of the solute carrier family (SLC) comprise a variety of proteins, including organic cation transporters (OCT) 1 to 3, organic cation/carnitine transporters (OCTN) 1 to 3, organic anion transporters (OAT) 1 to 7, various organic anion transporting polypeptide isoforms, sodium taurocholate cotransporting polypeptide, apical sodium-dependent bile acid transporter, peptide transporters (PEPT) 1 and 2, concentrative nucleoside transporters (CNT) 1 to 3, equilibrative nucleoside transporter (ENT) 1 to 3, and multidrug and toxin extrusion transporters (MATE) 1 and 2, which mediate the uptake (except MATEs) of organic anions and cations as well as peptides and nucleosides. Efflux transporters of the ATP-binding cassette superfamily, such as ATP-binding cassette transporter A1 (ABCA1), multidrug resistance proteins (MDR) 1 and 2, bile salt export pump, multidrug resistance-associated proteins (MRP) 1 to 9, breast cancer resistance protein, and ATP-binding cassette subfamily G members 5 and 8, are responsible for the unidirectional export of endogenous and exogenous substances. Other efflux transporters [ATPase copper-transporting beta polypeptide (ATP7B) and ATPase class I type 8B member 1 (ATP8B1) as well as organic solute transporters (OST) alpha and beta] also play major roles in the transport of some endogenous chemicals across biological membranes. This review article provides a comprehensive overview of these transporters (both rodent and human) with regard to tissue distribution, subcellular localization, and substrate preferences. Because uptake and efflux transporters are expressed in multiple cell types, the roles of transporters in a variety of tissues, including the liver, kidneys, intestine, brain, heart, placenta, mammary glands, immune cells, and testes are discussed. Attention is also placed upon a variety of regulatory factors that influence transporter expression and function, including transcriptional activation and post-translational modifications as well as subcellular trafficking. Sex differences, ontogeny, and pharmacological and toxicological regulation of transporters are also addressed. Transporters are important transmembrane proteins that mediate the cellular entry and exit of a wide range of substrates throughout the body and thereby play important roles in human physiology, pharmacology, pathology, and toxicology.
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Affiliation(s)
- Curtis D Klaassen
- Department of Pharmacology, Toxicology, and Therapeutics, University of Kansas Medical Center, 3901 Rainbow Blvd., Kansas City, KS 66160-7417, USA.
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Rouas C, Souidi M, Grandcolas L, Grison S, Baudelin C, Gourmelon P, Pallardy M, Gueguen Y. Acetaminophen induces xenobiotic-metabolizing enzymes in rat: Impact of a uranium chronic exposure. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2009; 28:363-369. [PMID: 21784028 DOI: 10.1016/j.etap.2009.06.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2009] [Revised: 06/02/2009] [Accepted: 06/13/2009] [Indexed: 05/31/2023]
Abstract
The extensive use of uranium in civilian and military applications increases the risk of human chronic exposure. Uranium is a slightly radioactive heavy metal with a predominantly chemical toxicity, especially in kidney but also in liver. Few studies have previously shown some effects of uranium on xenobiotic-metabolizing enzymes (XME) that might disturb drug pharmacokinetic. The aim of this study was to determine whether a chronic (9 months) non-nephrotoxic low dose exposure to depleted uranium (DU, 1mg/rat/day) could modify the liver XME, using a single non-hepatotoxic acetaminophen (APAP) treatment (50mg/kg). Most of XME analysed were induced by APAP treatment at the gene expression level but at the protein level only CYP3A2 was significantly increased 3h after APAP treatment in DU-exposed rats whereas it remained at a basal level in unexposed rats. In conclusion, these results showed that a chronic non-nephrotoxic DU exposure specially modify CYP3A2 after a single therapeutic APAP treatment.
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Affiliation(s)
- Caroline Rouas
- Institute for Radiological Protection and Nuclear Safety, Radiological Protection and Human Health Division, Radiobiology and Epidemiology Department, Laboratory of Experimental Toxicology, BP no. 17, F-92262 Fontenay-aux-Roses Cedex, France
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Ikemura K, Iwamoto T, Okuda M. Altered functions and expressions of drug transporters in liver, kidney and intestine in disorders of local and remote organs: possible role of oxidative stress in the pathogenesis. Expert Opin Drug Metab Toxicol 2009; 5:907-20. [DOI: 10.1517/17425250903008525] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Ghanem CI, Ruiz ML, Villanueva SSM, Luquita M, Llesuy S, Catania VA, Bengochea LA, Mottino AD. Effect of repeated administration with subtoxic doses of acetaminophen to rats on enterohepatic recirculation of a subsequent toxic dose. Biochem Pharmacol 2009; 77:1621-8. [PMID: 19426699 DOI: 10.1016/j.bcp.2009.02.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2008] [Revised: 02/11/2009] [Accepted: 02/12/2009] [Indexed: 02/05/2023]
Abstract
Development of resistance to toxic effects of acetaminophen (APAP) was reported in rodents and humans, though the mechanism is only partially understood. We examined in rats the effect of administration with subtoxic daily doses (0.2, 0.3, and 0.6g/kg, i.p.) of APAP on enterohepatic recirculation and liver toxicity of a subsequent i.p. toxic dose of 1g/kg, given 24h after APAP pre-treatment. APAP and its major metabolite APAP-glucuronide (APAP-Glu) were determined in bile, urine, serum and liver homogenate. APAP pre-treatment was not toxic, as determined by serum markers of liver damage and neither induced oxidative stress as demonstrated by assessment of ROS generation in liver or glutathione species in liver and bile. APAP pre-treatment induced a partial shift from biliary to urinary elimination of APAP-Glu after administration with the toxic dose, and decreased hepatic content and increased serum content of this conjugate, consistent with a marked up-regulation of its basolateral transporter Mrp3 relative to apical Mrp2. Preferential secretion of APAP-glu into blood decreased enterohepatic recirculation of APAP, thus attenuating liver exposition to the intact drug, as demonstrated 6h after administration with the toxic dose. The beneficial effect of interfering the enterohepatic recirculation was alternatively tested in animals receiving activated charcoal by gavage to adsorb APAP of biliary origin. The data indicated decreased liver APAP content and glutathione consumption. We conclude that selective up-regulation of Mrp3 expression by APAP pre-treatment may contribute to development of resistance to APAP hepatotoxicity, at least in part by decreasing its enterohepatic recirculation.
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Affiliation(s)
- Carolina I Ghanem
- Instituto de Investigaciones Farmacológicas-Cátedra de Fisiopatología, Facultad de Farmacia y Bioquímica, CONICET-Universidad de Buenos Aires, Buenos Aires, Argentina
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Daodee S, Wangboonskul J, Jarukamjorn K, Sripanidkulchai BO, Murakami T. Membrane transport of andrographolide in artificial membrane and rat small intestine. Pak J Biol Sci 2009; 10:2078-85. [PMID: 19093450 DOI: 10.3923/pjbs.2007.2078.2085] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
In the present study, the possible drug interactions of andrographolide with co-administering drugs such as acetaminophen, amoxycillin, aspirin, chlorpheniramine and norfloxacin to treat various infectious and inflammatory diseases that may be induced during absorption process were examined using artificial lipophilic membrane and everted rat intestine. The membrane transport of andrographolide across the artificial membrane was not affected by different pH of the medium (simulated gastric and intestinal fluids), different concentrations of andrographolide and co-administered drugs examined. In everted rat intestine, above co-administered drugs examined showed no significant effect on andrographolide membrane transport. The participation of efflux transporters such as P-glycoprotein and MRP2 in andrographolide transport was then examined, since andrographolide is a diterpene compound and some diterpene compounds are known as P-glycoprotein substrates. Cyclosporine, a P-glycoprotein/MRP2 inhibitor, significantly suppressed the efflux transport of andrographolide in distal region of intestine, whereas probenecid, an MRP inhibitor, showed no significant effect in both proximal and distal regions of intestine. These results suggest that P-glycoprotein, but not MRP, is participated in the intestinal absorption of andrographolide and P-glycoprotein-mediated drug interactions occur depending on the co-administered drugs and its concentrations.
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Affiliation(s)
- Supawadee Daodee
- Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen, 40002, Thailand
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32
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Micuda S, Fuksa L, Brcakova E, Osterreicher J, Cermanova J, Cibicek N, Mokry J, Staud F, Martinkova J. Zonation of multidrug resistance-associated protein 2 in rat liver after induction with dexamethasone. J Gastroenterol Hepatol 2008; 23:e225-30. [PMID: 17683490 DOI: 10.1111/j.1440-1746.2007.05066.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND AND AIM The present study was aimed to evaluate the hepatic zonation of multidrug resistance-associated protein 2 (mrp2), an important drug transporter, and its potential changes during the induction of its expression by known inducer, dexamethasone (DEX). METHODS The hepatic expression of mrp2 was studied by immunohistochemistry with consequent quantification by measurement of integral optical densities of mrp2 staining in the periportal and perivenous areas of the liver acinus in control and DEX-pretreated rats (1 mg/kg daily per os for 4 days). Overall changes in mrp2 expression and function produced by DEX were monitored using Western blotting and an in vivo clearance study of endogenous-conjugated bilirubin, a mrp2 substrate. RESULTS In the control animals, a quantitative image analysis revealed the primary periportal localization of mrp2 within the liver acinus with the expression of mrp2 being 16.7-fold of that in the perivenous area. After DEX pretreatment, the expression of mrp2 increased, especially in the perivenous hepatocytes. The overall expression of mrp2 increased 3.2-fold in comparison with the control group. This observation was confirmed by Western blotting, which showed a 1.3-fold increase in the mrp2 protein after DEX pretreatment. The functional consequences of the induced mrp2 protein in the livers of the DEX-pretreated rats were demonstrated by the increased biliary excretion of conjugated bilirubin. CONCLUSION In conclusion, these results indicate the zonation of mrp2 protein expression primarily to periportal hepatocytes. The induction by DEX produced spatially disproportional changes with an increase in the mrp2 protein being most prominent in the perivenous hepatocytes.
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Affiliation(s)
- Stanislav Micuda
- Department of Pharmacology, Charles University in Prague, Faculty of Medicine in Hradec Kralove, Simkova, Czech Republic.
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33
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Förster F, Volz A, Fricker G. Compound profiling for ABCC2 (MRP2) using a fluorescent microplate assay system. Eur J Pharm Biopharm 2008; 69:396-403. [DOI: 10.1016/j.ejpb.2007.10.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2007] [Revised: 09/04/2007] [Accepted: 10/03/2007] [Indexed: 01/29/2023]
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Aoki K, Saso N, Kato S, Sugiyama Y, Sato H. Nitric Oxide and Peroxynitrite Regulate Transporter Transcription in Rat Liver Slices. Biol Pharm Bull 2008; 31:1882-7. [DOI: 10.1248/bpb.31.1882] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Kimiko Aoki
- School of Pharmaceutical Sciences, Showa University
- Nihon Pharmaceutical University
| | - Naomi Saso
- School of Pharmaceutical Sciences, Showa University
| | - Satoko Kato
- School of Pharmaceutical Sciences, Showa University
| | - Yuichi Sugiyama
- Graduate School of Pharmaceutical Sciences, University of Tokyo
| | - Hitoshi Sato
- School of Pharmaceutical Sciences, Showa University
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35
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Barnes SN, Aleksunes LM, Augustine L, Scheffer GL, Goedken MJ, Jakowski AB, Pruimboom-Brees IM, Cherrington NJ, Manautou JE. Induction of hepatobiliary efflux transporters in acetaminophen-induced acute liver failure cases. Drug Metab Dispos 2007; 35:1963-9. [PMID: 17627974 DOI: 10.1124/dmd.107.016170] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Alterations in transporter expression may represent a compensatory mechanism of damaged hepatocytes to reduce accumulation of potentially toxic compounds. The present study was conducted to investigate the expression of hepatobiliary efflux transporters in livers from patients after toxic acetaminophen (APAP) ingestion, with livers from patients with primary biliary cirrhosis (PBC) serving as positive controls. mRNA and protein expression of multidrug resistance-associated protein (MRP) 1-6, multidrug resistance protein (MDR) 1-3/P-glycoprotein (P-gp), and breast cancer resistance protein (BCRP) in normal (n = 6), APAP overdose (n = 5), and PBC (n = 6) human liver samples were determined by branched DNA and Western blot analysis, respectively. Double immunohistochemical staining of P-gp and proliferating cell nuclear antigen (PCNA), a marker of proliferation, was performed on paraffin-embedded tissue sections. Compared with normal liver specimens, MRP1 and MRP4 mRNA levels were elevated after APAP overdose and in PBC. Up-regulation of MRP5, MDR1, and BCRP mRNA occurred in PBC livers. Protein levels of MRP4, MRP5, BCRP, and P-gp were increased in both disease states, with MRP1 and MRP3 protein also being induced in PBC. Increased P-gp protein was confirmed immunohistochemically and was found to localize to areas of PCNA-positive hepatocytes, which were detected in APAP overdose and PBC livers. The findings from this study demonstrate that hepatic efflux transporter expression is up-regulated in cases of APAP-induced liver failure and PBC. This adaptation may aid in reducing retention of byproducts of cellular injury and bile constituents within hepatocytes. The close proximity of P-gp and PCNA-positive hepatocytes during liver injury suggests that along with cell regeneration, increased efflux transporter expression is a critical response to hepatic damage to protect the liver from additional insult.
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Affiliation(s)
- Sarah N Barnes
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT, USA
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36
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Micuda S, Fuksa L, Mundlova L, Osterreicher J, Mokry J, Cermanova J, Brcakova E, Staud F, Pokorna P, Martinkova J. Morphological and functional changes in p-glycoprotein during dexamethasone-induced hepatomegaly. Clin Exp Pharmacol Physiol 2007; 34:296-303. [PMID: 17324141 DOI: 10.1111/j.1440-1681.2007.04558.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
1. The effect of dexamethasone on hepatic and renal P-glycoprotein (P-gp) expression, localization and activity was investigated in rats after 4 days oral administration of two dose regimens (1 or 25 mg/kg per day). Simultaneous increases in liver weight were evaluated by quantitative histological examination. 2. In the liver, dexamethasone pretreatment produced hepatomegaly as a consequence of extensive periportal fat accumulation, which was quantified by densitometry of oil red O-stained liver sections. Quantitative immunohistochemical analysis revealed preferential periportal zonation of P-gp in control animals. Dexamethasone pretreatment resulted in spatially disproportional induction of P-gp protein expression within the liver acinus characterized by preferential increase in pericentral areas, with consequent uniform panlobular distribution. Western blot analysis confirmed these results, showing increases in P-gp protein. Quantitative reverse transcription-polymerase chain reaction analysis revealed no statistically significant change in liver mdr1b mRNA expression after either dexamethasone treatment regimen. The expression of mdr1a mRNA was significantly decreased by 85-87%. 3. In the kidney, dexamethasone reduced mdr1a mRNA expression by 69-89%, whereas mdr1b mRNA expression was increased in a dose-dependent manner. However, despite tendencies, no significant increases in P-gp expression were observed at the protein level. 4. The in vivo function of P-gp was evaluated by measuring renal and biliary secretion of rhodamine-123 (Rho123) under a steady state plasma concentration. The biliary, renal and tubular secretory clearance of Rho123 was significantly increased only after high-dose dexamethasone. 5. In conclusion, the present study suggests that drug interactions observed during corticosteroid therapy may be mediated, at least in part, through increased biliary, and also renal, excretion of P-gp substrates. Expression of P-gp in the liver showed primary periportal zonation with differential changes during induction. Accompanying hepatomegaly may be explained by severe microvesicular steatosis selectively localized to the periportal areas.
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MESH Headings
- ATP Binding Cassette Transporter, Subfamily B/analysis
- ATP Binding Cassette Transporter, Subfamily B/genetics
- ATP Binding Cassette Transporter, Subfamily B/metabolism
- ATP Binding Cassette Transporter, Subfamily B/physiology
- ATP-Binding Cassette Transporters/genetics
- ATP-Binding Cassette Transporters/metabolism
- Animals
- Blotting, Western/methods
- Dexamethasone/administration & dosage
- Dexamethasone/pharmacokinetics
- Dexamethasone/toxicity
- Dose-Response Relationship, Drug
- Fatty Liver/chemically induced
- Fatty Liver/metabolism
- Fatty Liver/pathology
- Glucocorticoids/administration & dosage
- Glucocorticoids/pharmacokinetics
- Glucocorticoids/toxicity
- Hepatomegaly/chemically induced
- Hepatomegaly/metabolism
- Hepatomegaly/physiopathology
- Immunochemistry/methods
- Intubation, Gastrointestinal
- Kidney/drug effects
- Kidney/metabolism
- Kidney/pathology
- Liver/drug effects
- Liver/metabolism
- Liver/pathology
- Metabolic Clearance Rate
- Microscopy, Polarization/methods
- Organ Size/drug effects
- RNA, Messenger/drug effects
- RNA, Messenger/genetics
- Rats
- Rats, Wistar
- Reverse Transcriptase Polymerase Chain Reaction
- Rhodamine 123/administration & dosage
- Rhodamine 123/pharmacokinetics
- Weight Loss/drug effects
- ATP-Binding Cassette Sub-Family B Member 4
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Affiliation(s)
- Stanislav Micuda
- Department of Pharmacology, Charles University in Prague, Faculty of Medicine in Hradec Kralove, Simkova 870, 500-38 Hradec Kralove, The Czech Republic.
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Manov I, Bashenko Y, Hirsh M, Iancu TC. Involvement of the multidrug resistance P-glycoprotein in acetaminophen-induced toxicity in hepatoma-derived HepG2 and Hep3B cells. Basic Clin Pharmacol Toxicol 2007; 99:213-24. [PMID: 16930294 DOI: 10.1111/j.1742-7843.2006.pto_443.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Acetaminophen overdose causes severe hepatic failure. Although the mechanisms of acetaminophen hepatotoxicity have been well investigated, little is known about the involvement of the P-glycoprotein in acetaminophen transport and toxicity. P-Glycoprotein is a membrane efflux pump, playing a significant role in regulating absorption, excretion, and tissue distribution of many drugs. To evaluate the contribution of P-glycoprotein transporter in the course of acetaminophen-induced toxicity, HepG2 and Hep3B cells with different P-glycoprotein expression and activity, were treated by acetaminophen (1-10 mM) for different time periods, with or without the P-glycoprotein inhibitor verapamil. P-Glycoprotein activity was determined by rhodamine 123 efflux assay and western blot analysis. To assess the acetaminophen-induced toxicity and effect of verapamil, we investigated cellular redox status, phosphatidylserine externalization, nuclear fragmentation and ultrastructural changes. Verapamil markedly enhanced acetaminophen-induced oxidative damage and cell death. Moreover, verapamil revealed acetaminophen toxicity even at subtoxic levels. High acetaminophen concentrations increased P-glycoprotein activity and content in both HepG2 and Hep3B cells. These observations suggest the involvement of P-glycoprotein in acetaminophen transport. Notwithstanding the differences of the investigated hepatoma cell lines in P-glycoprotein function, acetaminophen-induced toxicity was similar, possibly due to different functions of drug-metabolizing systems. We conclude that acetaminophen is a P-glycoprotein substrate and P-glycoprotein is involved in acetaminophen transport and toxicity in HepG2 and Hep3B cells. This study establishes the fact that acetaminophen can modulate P-glycoprotein in tumour cells, suggesting that its routine use in cancer patients in combination with anticancer drugs, may influence the result of chemotherapy.
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Affiliation(s)
- Irena Manov
- Paediatric Research and Electron Microscopy Unit, Ruth and Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.
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Ghanem CI, Gómez PC, Arana MC, Perassolo M, Delli Carpini G, Luquita MG, Veggi LM, Catania VA, Bengochea LA, Mottino AD. Induction of rat intestinal P-glycoprotein by spironolactone and its effect on absorption of orally administered digoxin. J Pharmacol Exp Ther 2006; 318:1146-52. [PMID: 16740618 DOI: 10.1124/jpet.106.105668] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The effect of the diuretic spironolactone (SL) on expression and function of intestinal P-glycoprotein (P-gp), as well as its impact on intestinal absorption of digoxin, was explored. Rats were treated with daily doses of 200 micromol/kg b.wt. of SL intraperitoneally for 3 consecutive days. The small intestine was divided into four equal segments of approximately 25 cm, with segment I being the most proximal. Brush-border membranes were isolated and used in analysis of P-gp expression by Western blot analysis. P-gp content increased in the SL group by 526, 292, 210, and 622% over controls for segments I, II, III, and IV, respectively. Up-regulation of apical P-gp was confirmed by immunofluorescence microscopy. P-gp transport activity was explored in intestinal sacs prepared from segment IV using two different model substrates. Serosal to mucosal transport (efflux) of rhodamine 123 was 140% higher, and mucosal to serosal transport (absorption) of digoxin was 40% lower in the SL group, both indicating increased P-gp function. In vivo experiments showed that intestinal absorption of a single dose of digoxin administered p.o. was attenuated by SL pretreatment. Thus, concentration of digoxin in portal and peripheral blood was lower in SL versus control groups, as well as its accumulation in kidney and liver. Urinary excretion of digoxin was significantly decreased in the SL group, probably reflecting decreased systemic availability of digoxin for subsequent urinary elimination. We conclude that SL induces P-gp expression with potential impact on intestinal absorption of substrates with therapeutic application.
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Affiliation(s)
- Carolina I Ghanem
- Departamento de Ciencias Biológicas, Universidad de Buenos Aires, Argentina
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39
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Ghanem CI, Ruiz ML, Villanueva SSM, Luquita MG, Catania VA, Jones B, Bengochea LA, Vore M, Mottino AD. Shift from Biliary to Urinary Elimination of Acetaminophen-Glucuronide in Acetaminophen-Pretreated Rats. J Pharmacol Exp Ther 2005; 315:987-95. [PMID: 16109740 DOI: 10.1124/jpet.105.090613] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Despite its toxicity, acetaminophen (APAP) is used increasingly as an analgesic, antipyretic, and anti-inflammatory agent. We examined the effect of prior exposure to APAP on its biliary and urinary elimination. The biliary and urinary elimination of a test dose of APAP (150 mg/kg i.v.) was determined in male Wistar rats 24 h after pretreatment with vehicle, a single dose (1.0 g/kg i.p.), or increasing daily doses (0.2, 0.3, 0.6, and 1.0 g/kg/day i.p.) of APAP. Although elimination of the parent APAP was minimally affected, biliary excretion of APAP glucuronide was significantly decreased 70 and 80%, whereas urinary excretion was significantly increased 90 and 100% in the groups pretreated with single and repeated doses of APAP, respectively, relative to vehicle controls. Western analysis and confocal immunofluorescent microscopy indicated a marked increase in hepatic expression of multidrug resistance-associated protein 3 (Mrp3) in both groups pretreated with APAP, relative to expression of Mrp2. ATP-dependent transport of [3H]taurocholate, an Mrp3 substrate, was significantly increased in basolateral liver plasma membrane vesicles from rats pretreated with repeated doses of APAP relative to controls. Enterohepatic recirculation of APAP glucuronide after administration of the same test dose of the drug was significantly decreased in rats pretreated with repeated doses of APAP. These data indicate that APAP pretreatment induced a shift from biliary to urinary elimination of APAP glucuronide, consistent with the increased expression of Mrp3 in the basolateral domain of the hepatocyte. We postulate that decreased enterohepatic recirculation contributes to decreased APAP hepatotoxicity by reducing liver exposure.
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Affiliation(s)
- Carolina I Ghanem
- Cátedra de Fisiopatología, Departamento de Ciencias Biológicas, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Buenos Aires, Argentina
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40
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Fardel O, Jigorel E, Le Vee M, Payen L. Physiological, pharmacological and clinical features of the multidrug resistance protein 2. Biomed Pharmacother 2005; 59:104-14. [PMID: 15795103 DOI: 10.1016/j.biopha.2005.01.005] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2004] [Indexed: 12/17/2022] Open
Abstract
Multidrug resistance protein 2 (MRP2, ABCC2) is a drug efflux pump belonging to the ATP-binding cassette (ABC) transporter superfamily. MRP2 is present predominantly at the biliary pole of hepatocytes and is also expressed in the kidney and intestine. It plays a major role in hepato-biliary elimination of many structurally diverse xenobiotics, including organic anions and drug conjugates, and therefore most likely contributes to pharmacokinetic parameters of these compounds. MRP2 also handles endogenous molecules such as bilirubin, and its overexpression has been shown to confer a multidrug resistance phenotype to tumoral cells. MRP2 expression can be regulated by endogenous substances such as inflammatory cytokines and biliary acids. The MRP2 levels and activity can also be affected by a large panel of xenobiotics, including chemopreventive agents and ligands of the pregnane X receptor, which may be a potential source of drug-drug interactions and drug adverse effects. MRP2 appears therefore as one of the major drug efflux pumps of the organism, whose functional and regulatory features are important to consider, notably for drug disposition.
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Affiliation(s)
- Olivier Fardel
- Inserm U620, Faculté de Pharmacie, 2 Avenue Professeur Leon Bernard, 35043 Rennes, France.
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41
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Aleksunes LM, Slitt AM, Cherrington NJ, Thibodeau MS, Klaassen CD, Manautou JE. Differential Expression of Mouse Hepatic Transporter Genes in Response to Acetaminophen and Carbon Tetrachloride. Toxicol Sci 2004; 83:44-52. [PMID: 15496496 DOI: 10.1093/toxsci/kfi013] [Citation(s) in RCA: 102] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Drug-metabolizing enzymes and membrane transporters are responsible for the detoxication and elimination of xenobiotics from the body. The goal of this study was to identify alterations in mRNA expression of various transport and detoxication proteins in mouse liver after administration of the hepatotoxicants, acetaminophen or carbon tetrachloride. Therefore, male C57BL/6 J mice received acetaminophen (APAP, 200, 300, or 400 mg/kg, ip) or carbon tetrachloride (CCl4, 10 or 25 microl/kg, ip). Plasma and liver samples were collected at 6, 24, and 48 h for assessment of alanine aminotransferase (ALT) activity, total RNA isolation, and histopathological analysis of injury. Heme oxygenase-1 (Ho-1), NAD(P)H quinone oxidoreductase-1 (Nqo1), organic anion-transporting polypeptides (Oatp1a1, 1a4 and 1b2), sodium/taurocholate-cotransporting polypeptide (Ntcp), and multidrug resistance-associated protein (Mrp 1-6) mRNA levels in liver were determined using the branched DNA signal amplification assay. Hepatotoxic doses of APAP and CCl4 increased Ho-1 and Nqo1 mRNA levels by 22- and 2.5-fold, respectively, and reduced Oatp1a1, 1a4, and Ntcp mRNA levels in liver. By contrast, expression of Mrps 1-4 was increased after treatment with APAP and CCl4. Notably, a marked elevation of Mrp4 mRNA expression was observed 24 h after APAP 400 mg/kg (5-fold) and CCl4 25 microl/kg (37-fold). Collectively, these expression patterns suggest a coordinated regulation of both transport and detoxification genes during liver injury. This reduction in expression of uptake transporters, as well as enhanced transcription of detoxication enzymes and export transporters may limit the accumulation of potentially toxic products in hepatocytes.
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Affiliation(s)
- Lauren M Aleksunes
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, Connecticut 06269, USA.
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