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He B, Cheng X, Xiang HR, Li Y, Zhang QZ, Peng WX, Yang B. Glutamate dehydrogenase combined with ferrochelatase as a biomarker of liver injury induced by antituberculosis drugs. Br J Clin Pharmacol 2023; 89:3092-3104. [PMID: 37259680 DOI: 10.1111/bcp.15807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 03/27/2023] [Accepted: 05/22/2023] [Indexed: 06/02/2023] Open
Abstract
AIMS To explore the potential value of serum glutamate dehydrogenase (GLDH), ferrochelatase (FECH), heme oxygenase-1 (HO-1) and glutathione-S-transferase-α (GST-α) as diagnostic biomarkers for liver injury caused by antituberculosis drugs. METHODS We established a rat model of isoniazide-induced liver injury and recruited 122 hospitalized tuberculosis patients taking antituberculosis drugs. We detected the concentration of GLDH, FECH, HO-1 and GST-α by enzyme-linked immunosorbent assay. GraphPad Prism8 and SPSS 26.0 were used for statistical analysis. RESULTS In the rat model, serum GLDH concentration gradually increased during isoniazid (INH) administration, while serum FECH, HO-1 and GST-α concentrations significantly increased after INH administration was stopped. The receiver operating characteristic curve showed that the areas under the curve (AUCs) of serum GLDH and FECH for the diagnosis of anti-tuberculosis (TB) drug-induced liver injury (anti-TB-DILI) were 0.7692 (95% confidence interval [CI] 0.5442-0.9943) and 0.7284 (95% CI 0.4863-0.9705) and the diagnostic accuracies were 81.25% and 78.79%, respectively. In clinical research, the AUCs of GLDH and FECH were 0.9124 (95% CI 0.8380-0.9867) and 0.6634 (95% CI 0.5391-0.7877), and the optimal thresholds were 10.40 mIU/mL and 1.304 ng/mL, respectively. The diagnostic accuracy, specificity and positive predictive value (PPV) of GLDH were 82.61%, 79.38% and 47.22%. We performed a joint diagnostic test for GLDH and FECH. The diagnostic accuracy (90.43%), specificity (91.75%) and PPV (65.21%) of serial tests were better than for GLDH and FECH alone. CONCLUSIONS GLDH in the diagnosis of liver injury induced by anti-TB drugs has high sensitivity, but low specificity and low PPV. The combination of GLDH and FECH could significantly improve the specificity, PPV and diagnostic accuracy, and reduce the false-positive rate of anti-TB-DILI.
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Affiliation(s)
- Bei He
- Department of Pharmacy, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Xuan Cheng
- Department of Pharmacy, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Huai-Rong Xiang
- Department of Pharmacy, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yun Li
- Department of Pharmacy, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qi-Zhi Zhang
- Department of Pharmacy, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Wen-Xing Peng
- Department of Pharmacy, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Department of Pharmacy, the Second Xiangya Hospital, Institute of Clinical Pharmacy, Central South University, Changsha, Hunan, China
| | - Bo Yang
- Institute of Medical Laboratory, the First Hospital of Changsha City, Changsha, Hunan, China
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Gut microbiota affects sensitivity to immune-mediated isoniazid-induced liver injury. Biomed Pharmacother 2023; 160:114400. [PMID: 36805186 DOI: 10.1016/j.biopha.2023.114400] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 02/08/2023] [Accepted: 02/09/2023] [Indexed: 02/19/2023] Open
Abstract
Isoniazid (INH) is a highly effective single and/or combined first-line anti-tuberculosis (anti-TB) therapy drug, and the hepatotoxicity greatly limits its clinical application. INH-induced liver injury (INH-DILI) is a typical immune-mediated idiosyncratic drug-induced liver injury. Existing mechanisms including genetic variations in drug metabolism and immune responses cannot fully explain the differences in susceptibility and sensitivity to INH-DILI, suggesting that other factors may be involved. Accumulating evidence indicates that the development and severity of immune-mediated liver injury is related to gut microbiota. In this study, INH exposure caused liver damage, immune disregulation and microbiota profile alteration. Depletion of gut microbiota ameliorated INH-DILI, and improved INH-DILI-associated immune disorder and inflammatory response. Moreover, hepatotoxicity of INH was ameliorated by fecal microbiota transplantation (FMT) from INH-treated mice. Notably, Bifidobacterium abundance was significantly associated with transaminase levels. In conclusion, our results suggested that the effect of gut microbiota on INH-DILI was related to immunity, and the difference in INH-DILI sensitivity was related to the structure of gut microbiota. Changes in the structure of gut microbiota by continuous exposure of INH resulted in the tolerance to liver injury, and probiotics such as Bifidobacterium might play an important role in INH-DILI and its "adaptation" phenomenon. This work provides novel evidence for elucidating the underlying mechanism of difference in individual's response to INH-DILI and potential approach for intervening anti-TB drug liver injury by modulating gut microbiota.
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Gurley BJ, McGill MR, Koturbash I. Hepatotoxicity due to herbal dietary supplements: Past, present and the future. Food Chem Toxicol 2022; 169:113445. [PMID: 36183923 DOI: 10.1016/j.fct.2022.113445] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 09/20/2022] [Accepted: 09/23/2022] [Indexed: 11/26/2022]
Abstract
Dietary supplements (DS) constitute a widely used group of products comprising vitamin, mineral, and botanical extract formulations. DS of botanical or herbal origins (HDS) comprise nearly 30% of all DS and are presented on the market either as single plant extracts or multi-extract-containing products. Despite generally safe toxicological profiles of most products currently present on the market, rising cases of liver injury caused by HDS - mostly by multi-ingredient and adulterated products - are of particular concern. Here we discuss the most prominent historical cases of HDS-induced hepatotoxicty - from Ephedra to Hydroxycut and OxyELITE Pro-NF, as well as products with suspected hepatotoxicity that are either currently on or are entering the market. We further provide discussion on overcoming the existing challenges with HDS-linked hepatotoxicity by introduction of advanced in silico, in vitro, in vivo, and microphysiological system approaches to address the matter of safety of those products before they reach the market.
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Affiliation(s)
- Bill J Gurley
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, USA; Center for Dietary Supplement Research, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA.
| | - Mitchell R McGill
- Department of Environmental Health Sciences, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA; Department of Pharmacology and Toxicology, College of Medicine, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA; Center for Dietary Supplement Research, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA.
| | - Igor Koturbash
- Department of Environmental Health Sciences, Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA; Center for Dietary Supplement Research, University of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA.
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Roth RA, Kana O, Filipovic D, Ganey PE. Pharmacokinetic and toxicodynamic concepts in idiosyncratic, drug-induced liver injury. Expert Opin Drug Metab Toxicol 2022; 18:469-481. [PMID: 36003040 PMCID: PMC9484408 DOI: 10.1080/17425255.2022.2113379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 08/11/2022] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Idiosyncratic drug-induced liver injury (IDILI) causes morbidity and mortality in patients and leads to curtailed use of efficacious pharmaceuticals. Unlike intrinsically toxic reactions, which depend on dose, IDILI occurs in a minority of patients at therapeutic doses. Much remains unknown about causal links among drug exposure, a mode of action, and liver injury. Consequently, numerous hypotheses about IDILI pathogenesis have arisen. AREAS COVERED Pharmacokinetic and toxicodynamic characteristics underlying current hypotheses of IDILI etiology are discussed and illustrated graphically. EXPERT OPINION Hypotheses to explain IDILI etiology all involve alterations in pharmacokinetics, which lead to plasma drug concentrations that rise above a threshold for toxicity, or in toxicodynamics, which result in a lowering of the toxicity threshold. Altered pharmacokinetics arise, for example, from changes in drug metabolism or from transporter polymorphisms. A lowered toxicity threshold can arise from drug-induced mitochondrial injury, accumulation of toxic endogenous factors or harmful immune responses. Newly developed, interactive freeware (DemoTox-PK; https://bit.ly/DemoTox-PK) allows the user to visualize how such alterations might lead to a toxic reaction. The illustrations presented provide a framework for conceptualizing idiosyncratic reactions and could serve as a stimulus for future discussion, education, and research into modes of action of IDILI.
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Affiliation(s)
- Robert A. Roth
- Department of Pharmacology and Toxicology and Institute for Integrative Toxicology, Michigan State University, East Lansing, MI 49924
- ProbiTox LLC, Chapel Hill, NC 27514
| | - Omar Kana
- Department of Pharmacology and Toxicology and Institute for Integrative Toxicology, Michigan State University, East Lansing, MI 49924
- Institute for Quantitative Health Science & Engineering, Michigan State University, East Lansing, MI 48824
| | - David Filipovic
- Department of Biomedical Engineering, Michigan State University, East Lansing, MI 48824
- Institute for Quantitative Health Science & Engineering, Michigan State University, East Lansing, MI 48824
- Department of Computational Mathematics, Science and Engineering, Michigan State University, East Lansing, MI 48824
| | - Patricia E. Ganey
- Department of Pharmacology and Toxicology and Institute for Integrative Toxicology, Michigan State University, East Lansing, MI 49924
- ProbiTox LLC, Chapel Hill, NC 27514
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Li M, Luo Q, Tao Y, Sun X, Liu C. Pharmacotherapies for Drug-Induced Liver Injury: A Current Literature Review. Front Pharmacol 2022; 12:806249. [PMID: 35069218 PMCID: PMC8766857 DOI: 10.3389/fphar.2021.806249] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 12/16/2021] [Indexed: 12/14/2022] Open
Abstract
Drug-induced liver injury (DILI) has become a serious public health problem. For the management of DILI, discontinuation of suspicious drug or medicine is the first step, but the treatments including drugs and supporting approaches are needed. Reference to clinical patterns and disease severity grades of DILI, the treatment drugs were considered to summarize into hepatoprotective drugs (N-acetylcysteine and Glutathione, Glycyrrhizin acid preparation, Polyene phosphatidylcholine, Bicyclol, Silymarin), anticholestatic drug (Ursodeoxycholic acid, S-adenosylmethionine, Cholestyramine), immunosuppressants (Glucocorticoids) and specific treatment agents (L-carnitine, Anticoagulants). The current article reviewed the accumulated literature with evidence-based medicine researches for DILI in clinical practice. Also the drawbacks of the clinical studies involved in the article, unmet needs and prospective development for DILI therapy were discussed.
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Affiliation(s)
- Meng Li
- Institute of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Qiong Luo
- Institute of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yanyan Tao
- Institute of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xin Sun
- Institute of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shanghai, China
| | - Chenghai Liu
- Institute of Liver Diseases, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Key Laboratory of Traditional Chinese Clinical Medicine, Shanghai, China
- Key Laboratory of Liver and Kidney Diseases, Ministry of Education, Shanghai, China
- Shanghai Innovation Center of TCM Health Service, Shanghai, China
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Cheng X, Zhu JL, Li Y, Luo WW, Xiang HR, Zhang QZ, Peng WX. Serum biomarkers of isoniazid-induced liver injury: Aminotransferases are insufficient, and OPN, L-FABP and HMGB1 can be promising novel biomarkers. J Appl Toxicol 2021; 42:516-528. [PMID: 34494278 DOI: 10.1002/jat.4236] [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: 07/13/2021] [Revised: 08/24/2021] [Accepted: 08/26/2021] [Indexed: 11/06/2022]
Abstract
Isoniazid (INH)-induced liver injury is a great challenge for tuberculosis treatment. Existing biomarkers cannot accurately determine the occurrence of this injury in the early stage. Therefore, developing early specific sensitive biomarkers of INH-induced liver injury is urgent. A rat model of liver injury was established with gastric infusion of INH or INH plus rifampicin (RFP). We examined seven potential novel serum biomarkers, namely, glutamate dehydrogenase (GLDH), liver-fatty acid-binding protein (L-FABP), high-mobility group box-1 (HMGB1), macrophage colony-stimulating factor receptor (MCSF1R), osteopontin (OPN), total cytokeratin 18 (K18), and caspase-cleaved cytokeratin-18 (ccK18), to evaluate their sensitivity and specificity on INH-induced liver injury. With the increase of drug dosage, combining with RFP and prolonging duration of administration, the liver injury was aggravated, showing as decreased weight of the rats, upgraded liver index and oxidative stress level, and histopathological changes of liver becoming marked. But the activity of serum aminotransferases decreased significantly. The area under the curve (AUC) of receiver-operating characteristic (ROC) curve of OPN, L-FABP, HMGB1, MCSF1R, and GLDH was 0.88, 0.87, 0.85, 0.71, and 0.70 (≥0.7), respectively, and 95% confidence interval of them did not include 0.5, with statistical significance, indicating their potential abilities to become biomarkers of INH-induced liver injury. In conclusion, we found traditional biomarkers ALT and AST were insufficient to discover the INH-induced liver injury accurately and OPN, L-FABP, and HMGB1 can be promising novel biomarkers.
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Affiliation(s)
- Xuan Cheng
- Department of Pharmacy, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Jia-Lian Zhu
- Department of Pharmacy, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yun Li
- Department of Pharmacy, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Wen-Wen Luo
- Department of Pharmacy, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Huai-Rong Xiang
- Department of Pharmacy, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Qi-Zhi Zhang
- Department of Pharmacy, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Wen-Xing Peng
- Department of Pharmacy, The Second Xiangya Hospital of Central South University, Changsha, China.,Institute of Clinical Pharmacy, Central South University, Changsha, China
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7
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Drug-induced liver injury and prospect of cytokine based therapy; A focus on IL-2 based therapies. Life Sci 2021; 278:119544. [PMID: 33945827 DOI: 10.1016/j.lfs.2021.119544] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 04/18/2021] [Accepted: 04/20/2021] [Indexed: 02/06/2023]
Abstract
Drug-induced liver injury (DILI) is one of the most frequent sources of liver failure and the leading cause of liver transplant. Common non-prescription medications such as non-steroidal anti-inflammatory drugs (NSAIDs), acetaminophen, and other prescription drugs when taken at more than the recommended doses may lead to DILI. The severity of DILI is affected by factors such as age, ethnicity, race, gender, nutritional status, on-going liver diseases, renal function, pregnancy, alcohol consumption, and drug-drug interactions. Characteristics of DILI-associated inflammation include apoptosis and necrosis of hepatocytes and hepatic infiltration of pro-inflammatory immune cells. If untreated or if the inflammation continues, DILI and associated hepatic inflammation may lead to development of hepatocarcinoma. The therapeutic approach for DILI-associated hepatic inflammation depends on whether the inflammation is acute or chronic. Discontinuing the causative medication, vaccination, and special dietary supplementation are some of the conventional approaches to treat DILI. In this review, we discuss a concise overview of DILI-associated liver complications, and current therapeutic options with special emphasis on biologics including the scope of cytokine therapy in hepatic repair and resolution of inflammation caused by over- the-counter (OTC) or prescription drugs.
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8
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Shimizu Y, Sasaki T, Yonekawa E, Yamazaki H, Ogura R, Watanabe M, Hosaka T, Shizu R, Takeshita JI, Yoshinari K. Association of CYP1A1 and CYP1B1 inhibition in in vitro assays with drug-induced liver injury. J Toxicol Sci 2021; 46:167-176. [PMID: 33814510 DOI: 10.2131/jts.46.167] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Drug-induced liver injury (DILI) is one of the major causes for the discontinuation of drug development and withdrawal of drugs from the market. Since it is known that reactive metabolite formation and being substrates or inhibitors of cytochrome P450s (P450s) are associated with DILI, we systematically investigated the association between human P450 inhibition and DILI. The inhibitory activity of 266 DILI-positive drugs (DILI drugs) and 92 DILI-negative drugs (no-DILI drugs), which were selected from Liver Toxicity Knowledge Base (US Food and Drug Administration), against 8 human P450 forms was assessed using recombinant enzymes and luminescent substrates, and the threshold values showing the highest balanced accuracy for DILI discrimination were determined for each P450 enzyme using receiver operating characteristic analyses. The results showed that among the P450s tested, CYP1A1 and CYP1B1 were inhibited by DILI drugs more than no-DILI drugs with a statistical significance. We found that 91% of drugs that showed inhibitory activity greater than the threshold values against CYP1A1 or CYP1B1 were DILI drugs. The results of internal 5-fold cross-validation confirmed the usefulness of CYP1A1 and CYP1B1 inhibition data for the threshold-based discrimination of DILI drugs. Although the contribution of these P450s to drug metabolism in the liver is considered minimal, our present findings suggest that the assessment of CYP1A1 and CYP1B1 inhibition is useful for screening DILI risk of drug candidates at the early stage of drug development.
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Affiliation(s)
- Yuki Shimizu
- Laboratory of Molecular Toxicology, School of Pharmaceutical Sciences, University of Shizuoka
| | - Takamitsu Sasaki
- Laboratory of Molecular Toxicology, School of Pharmaceutical Sciences, University of Shizuoka
| | - Eri Yonekawa
- Laboratory of Molecular Toxicology, School of Pharmaceutical Sciences, University of Shizuoka
| | - Hirokazu Yamazaki
- Laboratory of Molecular Toxicology, School of Pharmaceutical Sciences, University of Shizuoka
| | - Rui Ogura
- Laboratory of Molecular Toxicology, School of Pharmaceutical Sciences, University of Shizuoka
| | - Michiko Watanabe
- Laboratory of Molecular Toxicology, School of Pharmaceutical Sciences, University of Shizuoka
| | - Takuomi Hosaka
- Laboratory of Molecular Toxicology, School of Pharmaceutical Sciences, University of Shizuoka
| | - Ryota Shizu
- Laboratory of Molecular Toxicology, School of Pharmaceutical Sciences, University of Shizuoka
| | - Jun-Ichi Takeshita
- Laboratory of Molecular Toxicology, School of Pharmaceutical Sciences, University of Shizuoka.,Research Institute of Science for Safety and Sustainability, National Institute of Advanced Industrial Science and Technology (AIST)
| | - Kouichi Yoshinari
- Laboratory of Molecular Toxicology, School of Pharmaceutical Sciences, University of Shizuoka
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Stephens C, Lucena MI, Andrade RJ. Genetic risk factors in the development of idiosyncratic drug-induced liver injury. Expert Opin Drug Metab Toxicol 2020; 17:153-169. [DOI: 10.1080/17425255.2021.1854726] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Camilla Stephens
- Unidad de Gestión Clínica de Aparato Digestivo y Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, CIBERehd, Málaga, Spain
| | - M Isabel Lucena
- Unidad de Gestión Clínica de Aparato Digestivo y Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, CIBERehd, Málaga, Spain
| | - Raúl J Andrade
- Unidad de Gestión Clínica de Aparato Digestivo y Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, CIBERehd, Málaga, Spain
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10
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Pillaye JN, Marakalala MJ, Khumalo N, Spearman W, Ndlovu H. Mechanistic insights into antiretroviral drug-induced liver injury. Pharmacol Res Perspect 2020; 8:e00598. [PMID: 32643320 PMCID: PMC7344109 DOI: 10.1002/prp2.598] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 04/16/2020] [Indexed: 12/19/2022] Open
Abstract
All classes of antiretroviral therapy (ART) have been implicated to induce adverse drug reactions such drug-induced liver injury (DILI) and immune-mediated adverse reactions in Human Immunodeficiency Virus (HIV) infected individuals. Patients that develop adverse drug reactions tend to have prolonged stays in hospital and may require to change to alternative regimens if reactions persist upon rechallenge or if rechallenge is contraindicated due to severity of the adverse reaction. Diagnosis of DILI remains a huge obstacle that delays timely interventions, since it is still based largely on exclusion of other causes. There is an urgent need to develop robust diagnostic and predictive biomarkers that could be used alongside the available tools (biopsy, imaging, and serological tests for liver enzymes) to give a specific diagnosis of DILI. Crucial to this is also achieving consensus in the definition of DILI so that robust studies can be undertaken. Importantly, it is crucial that we gain deeper insights into the mechanism of DILI so that patients can receive appropriate management. In general, it has been demonstrated that the mechanism of ART-induced liver injury is driven by four main mechanisms: mitochondrial toxicity, metabolic host-mediated injury, immune reconstitution, and hypersensitivity reactions. The focus of this review is to discuss the type and phenotypes of DILI that are caused by the first line ART regimens. Furthermore, we will summarize recent studies that have elucidated the cellular and molecular mechanisms of DILI both in vivo and in vitro.
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Affiliation(s)
- Jamie N. Pillaye
- Division of Chemical and System BiologyDepartment of Integrative Biomedical SciencesFaculty of Health SciencesUniversity of Cape TownCape TownSouth Africa
| | - Mohlopheni J. Marakalala
- Africa Health Research InstituteDurbanKwaZulu NatalSouth Africa
- Division of Infection and ImmunityUniversity College LondonLondonUK
| | - Nonhlanhla Khumalo
- Hair and Skin Research LabDivision of DermatologyDepartment of MedicineGroote Schuur Hospital and University of Cape TownCape TownSouth Africa
| | - Wendy Spearman
- Division of HepatologyDepartment of MedicineGroote Schuur Hospital and University of Cape TownCape TownSouth Africa
| | - Hlumani Ndlovu
- Division of Chemical and System BiologyDepartment of Integrative Biomedical SciencesFaculty of Health SciencesUniversity of Cape TownCape TownSouth Africa
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Imatoh T, Sai K, Saito Y. The Association Between Concurrence of Infection and the Onset of Severe Eruption or Liver Injury in Patients Using Antipyretic Analgesics: A Matched, Nested Case-Control Study. J Clin Pharmacol 2020; 60:1177-1184. [PMID: 32521061 DOI: 10.1002/jcph.1613] [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: 12/06/2019] [Accepted: 03/04/2020] [Indexed: 02/05/2023]
Abstract
Stevens-Johnson syndrome (SJS) and toxic epidermal necrosis (TEN) or drug-induced liver injury (DILI) are severe drug-induced reactions, known as idiosyncratic drug reactions. It is believed that immune response can lead to these severe adverse drug reactions. Our previous analysis of the Japanese Spontaneous Drug Reaction database suggested that the onset of SJS/TEN and DILI was strongly associated with infection. Hence, we conducted a matched, nested case-control study to elucidate the association between concurrent infection and the onset of SJS/TEN or liver injury in patients prescribed antipyretic analgesics. We extracted 4 112 055 patients who were prescribed antipyretic analgesics between January 2014 and December 2015. Amongst them, 553 (0.01%) were diagnosed with SJS/TEN and 12 606 (0.3%) with liver injury. In a matched, nested case-control study, 131 and 2847 cases matched for SJS/TEN or liver injury, respectively. For each case, 3 controls were randomly matched with the case for age at index date and sex. In the conditional logistic regression analysis, there was a significant association between the combination of infection and antipyretic analgesics and the onset of SJS/TEN or liver injury (SJS/TEN: adjusted OR, 5.59; 95%CI, 2.01-15.51; liver injury: adjusted OR, 2.79; 95%CI, 2.24-3.46). Although it was not possible to distinguish whether the associations were caused by the infection or were a direct consequence of the antibiotic agents, our findings may help to increase awareness of the possibility of the increased onset of idiosyncratic drug reactions (SJS/TEN and liver injury) in antipyretic analgesic users because of infections.
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Affiliation(s)
- Takuya Imatoh
- Division of Medicinal Safety Science, National Institute of Health Sciences, Kanagawa, Japan
| | - Kimie Sai
- Division of Medicinal Safety Science, National Institute of Health Sciences, Kanagawa, Japan
| | - Yoshiro Saito
- Division of Medicinal Safety Science, National Institute of Health Sciences, Kanagawa, Japan
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12
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Hoppmann NA, Gray ME, McGuire BM. Drug-Induced Liver Injury in the Setting of Chronic Liver Disease. Clin Liver Dis 2020; 24:89-106. [PMID: 31753253 DOI: 10.1016/j.cld.2019.09.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Drug-induced liver injury (DILI) is an uncommon but significant cause of liver injury and need for liver transplant. DILI in the setting of chronic liver disease (CLD) is poorly understood. Clinical features of patients presenting with DILI in the setting of CLD are similar to those without CLD with the exception of a higher incidence of diabetes among those with CLD and DILI. Diagnosis of DILI in CLD is difficult because there are no objective biomarkers and current causality assessments have not been studied in this population. Differentiating DILI from exacerbation of underlying liver disease is even more challenging.
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Affiliation(s)
- Nicholas A Hoppmann
- Division of Gastroenterology and Hepatology, University of Alabama at Birmingham, 1720 2nd Ave South, Birmingham AL 35294-0012, USA.
| | - Meagan E Gray
- Division of Gastroenterology and Hepatology, University of Alabama at Birmingham, 1720 2nd Ave South, Birmingham AL 35294-0012, USA
| | - Brendan M McGuire
- Division of Gastroenterology and Hepatology, University of Alabama at Birmingham, 1720 2nd Ave South, Birmingham AL 35294-0012, USA
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Uetrecht J. Mechanistic Studies of Idiosyncratic DILI: Clinical Implications. Front Pharmacol 2019; 10:837. [PMID: 31402866 PMCID: PMC6676790 DOI: 10.3389/fphar.2019.00837] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 07/01/2019] [Indexed: 12/18/2022] Open
Abstract
The idiosyncratic nature of idiosyncratic drug-induced liver injury (IDILI) makes mechanistic studies very difficult, and little is known with certainty. However, the fact that the IDILI caused by some drugs is associated with specific HLA genotypes provides strong evidence that it is mediated by the adaptive immune system. This is also consistent with the histology and the general characteristics of IDILI. However, there are other mechanistic hypotheses. Various in vitro and in vivo systems have been used to test hypotheses. Two other hypotheses are mitochondrial injury and inhibition of the bile salt export pump. It is possible that these mechanisms are responsible for some cases of IDILI or that these mechanisms are complementary and are involved in initiating an immune response. In general, it is believed that the initiation of an immune response requires activation of antigen-presenting cells by molecules such as danger-associated molecular pattern molecules (DAMPs). An attractive hypothesis for the mechanism by which DAMPs induce an immune response is through the activation of inflammasomes. The dominant immune response in the liver is immune tolerance, and it is only when immune tolerance fails that significant liver injury occurs. Consistent with this concept, an animal model was developed in which immune checkpoint inhibition unmasked the ability of drugs to cause liver injury. Although it appears that the liver damage is mediated by the adaptive immune system, an innate immune response is required for an adaptive immune response. The innate immune response is not dependent on specific HLA genes or T cell receptors and may occur in most patients and animals treated with a drug that can cause IDILI. Studies of the subclinical innate immune response to drugs may provide important mechanistic clues and provide a method to screen drugs for their potential to cause IDILI.
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Affiliation(s)
- Jack Uetrecht
- Department of Pharmaceutical Sciences, University of Toronto, Toronto, ON, Canada
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Affiliation(s)
- Jay H Hoofnagle
- From the Liver Disease Research Branch, Division of Digestive Diseases and Nutrition, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD (J.H.H.); and the Department of Internal Medicine, National University Hospital of Iceland, and the Faculty of Medicine, University of Iceland - both in Reykjavík (E.S.B.)
| | - Einar S Björnsson
- From the Liver Disease Research Branch, Division of Digestive Diseases and Nutrition, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD (J.H.H.); and the Department of Internal Medicine, National University Hospital of Iceland, and the Faculty of Medicine, University of Iceland - both in Reykjavík (E.S.B.)
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Chung J, Longo DM, Watkins PB. A Rapid Method to Estimate Hepatocyte Loss Due to Drug‐Induced Liver Injury. Clin Pharmacol Ther 2018; 105:746-753. [DOI: 10.1002/cpt.1254] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 09/15/2018] [Indexed: 01/05/2023]
Affiliation(s)
- Jae‐Yong Chung
- Department of Clinical Pharmacology and Therapeutics Seoul National University College of Medicine and Bundang Hospital Seongnam Korea
| | - Diane M. Longo
- DILIsym Services, Inc. Research Triangle Park North Carolina USA
| | - Paul B. Watkins
- Institute for Drug Safety Sciences Eshelman School of Pharmacy University of North Carolina Chapel Hill North Carolina USA
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16
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Covini G, Bredi E, Badalamenti S, Roncalli M, Aghemo A, Colombo M. Autoimmune Hepatitis During Ledipasvir/Sofosbuvir Treatment of Hepatitis C: A Case Report. Hepatol Commun 2018; 2:1179-1183. [PMID: 30288473 PMCID: PMC6167068 DOI: 10.1002/hep4.1248] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 07/17/2018] [Indexed: 01/09/2023] Open
Abstract
We report the case of a woman with chronic hepatitis C and idiopathic thrombocytopenic purpura (ITP) who developed autoimmune hepatitis (AIH) during antiviral therapy with ledipasvir (LDV)/sofosbuvir (SOF). The onset of acute hepatitis rose two weeks after starting treatment with LDV/SOF when HCV‐RNA tested negative, suggesting a link between rapid HCV clearance and de novo autoimmune diseases. Conclusion: This case report proposes new immunologic scenarios in patients with hepatitis C virus (HCV) with laboratory or clinical signs of autoimmunity during direct‐acting antiviral (DAA) therapy.
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Affiliation(s)
| | | | | | - Massimo Roncalli
- Department of Pathology Humanitas Clinical and Research Center Rozzano Italy
| | - Alessio Aghemo
- Liver Unit and Department of Biomedical Sciences Humanitas University Rozzano Italy
| | - Massimo Colombo
- Liver Unit and Department of Biomedical Sciences Humanitas University Rozzano Italy
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Stephens C, Lucena MI, Andrade RJ. Host Risk Modifiers in Idiosyncratic Drug-Induced Liver Injury (DILI) and Its Interplay with Drug Properties. ACTA ACUST UNITED AC 2018. [DOI: 10.1007/978-1-4939-7677-5_23] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Avigan MI, Muñoz MA. Perspectives on the Regulatory and Clinical Science of Drug-Induced Liver Injury (DILI). METHODS IN PHARMACOLOGY AND TOXICOLOGY 2018. [DOI: 10.1007/978-1-4939-7677-5_18] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Susukida T, Aoki S, Kogo K, Fujimori S, Song B, Liu C, Sekine S, Ito K. Evaluation of immune-mediated idiosyncratic drug toxicity using chimeric HLA transgenic mice. Arch Toxicol 2017; 92:1177-1188. [PMID: 29150704 DOI: 10.1007/s00204-017-2112-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 11/08/2017] [Indexed: 12/13/2022]
Abstract
Immune-mediated idiosyncratic drug toxicity (IDT) is a rare adverse drug reaction, potentially resulting in death. Although genome-wide association studies suggest that the occurrence of immune-mediated IDT is strongly associated with specific human leukocyte antigen (HLA) allotypes, these associations have not yet been prospectively demonstrated. In this study, we focused on HLA-B*57:01 and abacavir (ABC)-induced immune-mediated IDT, and constructed transgenic mice carrying chimeric HLA-B*57:01 (B*57:01-Tg) to determine if this in vivo model may be useful for evaluating immune-mediated IDT. Local lymph node assay (LLNA) results demonstrated that percentages of BrdU+, IL-2+, and IFN-γ+ in CD8+ T cells of ABC (50 mg/kg/day)-applied B*57:01-Tg mice were significantly higher than those in littermates (LMs), resulting in the infiltration of inflammatory cells into the ear. These immune responses were not observed in B*57:03-Tg mice (negative control). Furthermore, oral administration of 1% (v/v) ABC significantly increased the percentage of CD44highCD62Llow CD8+ memory T cells in lymph nodes and spleen derived from B*57:01-Tg mice, but not in those from B*57:03-Tg mice and LMs. These results suggest that B*57:01-Tg mice potentially enable the reproduction and evaluation of HLA-B*57:01 and ABC-induced immune-mediated IDT.
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Affiliation(s)
- Takeshi Susukida
- Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba, 260-8675, Japan
| | - Shigeki Aoki
- Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba, 260-8675, Japan
| | - Kotaro Kogo
- Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba, 260-8675, Japan
| | - Sota Fujimori
- Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba, 260-8675, Japan
| | - Binbin Song
- Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba, 260-8675, Japan
| | - Cong Liu
- Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba, 260-8675, Japan
| | - Shuichi Sekine
- Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba, 260-8675, Japan
| | - Kousei Ito
- Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Chiba University, Inohana 1-8-1, Chuo-ku, Chiba, 260-8675, Japan.
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Church RJ, Watkins PB. The transformation in biomarker detection and management of drug-induced liver injury. Liver Int 2017; 37:1582-1590. [PMID: 28386997 PMCID: PMC5632128 DOI: 10.1111/liv.13441] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 03/31/2017] [Indexed: 02/06/2023]
Abstract
Drug-induced liver injury (DILI) is a major concern for patients, care givers and the pharmaceutical industry. Interpretation of the serum biomarkers routinely used to detect and monitor DILI, which have not changed in almost 50 years, can be improved with recently proposed models employing quantitative systems pharmacology. In addition, several newer serum biomarkers are showing great promise. Studies in rodents indicate that the ratio of the caspase cleaved fragment of cytokeratin 18 to total K18 in serum (termed the "apoptotic index") estimates the relative proportions of apoptosis vs necrosis during drug-induced liver injury. Glutamate dehydrogenase can reliably differentiate liver from muscle injury and, when serum is properly prepared, may also detect mitochondrial toxicity as a mechanism of liver injury. MicroRNA-122 is liver-specific, but recent data suggests it can be actively released from hepatocytes in the absence of overt toxicity limiting enthusiasm for it as a DILI biomarker. Finally, damage associated molecular patterns, particularly high mobility group box 1 and its various modified forms, are promising biomarkers of innate immune activation, which may be useful in distinguishing benign elevations in aminotransferases from those that portend clinically important liver injury. These new biomarkers are already being measured in early clinical trials, but broad acceptance will require widespread archiving of serum from diverse clinical trials and probably pre-competitive analysis efforts. We believe that utilization of a panel of traditional and newer biomarkers in conjunction with quantitative systems pharmacology modelling approaches will transform DILI detection and risk management.
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Affiliation(s)
- Rachel J. Church
- Institute for Drug Safety Sciences, University of North Carolina at Chapel Hill, Research Triangle Park, North Carolina,Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, Chapel Hill, North Carolina, USA
| | - Paul B. Watkins
- Institute for Drug Safety Sciences, University of North Carolina at Chapel Hill, Research Triangle Park, North Carolina,Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, Chapel Hill, North Carolina, USA
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21
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Kramer O, Albrecht J. Clinical presentation of terbinafine‐induced severe liver injury and the value of laboratory monitoring: a Critically Appraised Topic. Br J Dermatol 2017; 177:1279-1284. [DOI: 10.1111/bjd.15854] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- O.N. Kramer
- Medical School University of Illinois Chicago IL U.S.A
| | - J. Albrecht
- Division of Dermatology Department of Medicine J.H. Stroger Hospital of Cook County Chicago IL U.S.A
- Department of Dermatology Rush Medical College Chicago IL U.S.A
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Nano J, Ghanbari M, Wang W, de Vries PS, Dhana K, Muka T, Uitterlinden AG, van Meurs JBJ, Hofman A, Franco OH, Pan Q, Murad SD, Dehghan A. Epigenome-Wide Association Study Identifies Methylation Sites Associated With Liver Enzymes and Hepatic Steatosis. Gastroenterology 2017. [PMID: 28624579 DOI: 10.1053/j.gastro.2017.06.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND & AIMS Epigenetic mechanisms might be involved in the regulation of liver enzyme level. We aimed to identify CpG sites at which DNA methylation levels are associated with blood levels of liver enzymes and hepatic steatosis. METHODS We conducted an epigenome-wide association study in whole blood for liver enzyme levels, including gamma-glutamyl transferase (GGT), alanine aminotransferase (ALT), and aspartate aminotransferase (AST), among a discovery set of 731 participants of the Rotterdam Study and sought replication in a non-overlapping sample of 719 individuals. Significant DNA methylation changes were further analyzed to evaluate their relation with hepatic steatosis. Expression levels of the top identified gene were measured in 9 human liver cell lines and compared with expression profiles of its potential targets associated with lipid traits. The candidate gene was subsequently knocked down in human hepatoma cells using lentiviral vectors expressing small hairpin RNAs. RESULTS Eight probes annotated to SLC7A11, SLC1A5, SLC43A1, PHGDH, PSORS1C1, SREBF1, ANKS3 were associated with GGT and 1 probe annotated to SLC7A11 was associated with ALT after Bonferroni correction (1.0 × 10-7). No probe was identified for AST levels. Four probes for GGT levels including cg06690548 (SLC7A11), cg11376147 (SLC43A1), cg22304262 (SLC1A5), and cg14476101 (PHGDH), and 1 for ALT cg06690548 (SLC7A11) were replicated. DNA methylation at SLC7A11 was associated with reduced risk of hepatic steatosis in participants (odds ratio, 0.69; 95% CI= 0.55-0.93; P value: 2.7 × 10-3). In functional experiments, SLC7A11 was highly expressed in human liver cells; its expression is positively correlated with expression of a panel of lipid-associated genes, indicating a role of SLC7A11 in lipid metabolism. CONCLUSIONS Our results provide new insights into epigenetic mechanisms associated with markers of liver function and hepatic steatosis, laying the groundwork for future diagnostic and therapeutic applications.
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Affiliation(s)
- Jana Nano
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Mohsen Ghanbari
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Genetics, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Wenshi Wang
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Paul S de Vries
- Human Genetics Center, University of Texas Health Science Center at Houston, Houston, Texas
| | - Klodian Dhana
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | - Taulant Muka
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - André G Uitterlinden
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Joyce B J van Meurs
- Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Albert Hofman
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
| | | | - Oscar H Franco
- Department of Epidemiology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Qiuwei Pan
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Sarwa Darwish Murad
- Department of Gastroenterology and Hepatology, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Abbas Dehghan
- Department of Biostatistics and Epidemiology, MRC-PHE Centre for Environment and Health, School of Public Health, Imperial College London.
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Characterisation of the HLA-DRB1*07:01 biomarker for lapatinib-induced liver toxicity during treatment of early-stage breast cancer patients with lapatinib in combination with trastuzumab and/or taxanes. THE PHARMACOGENOMICS JOURNAL 2017; 18:480-486. [PMID: 28786423 DOI: 10.1038/tpj.2017.39] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 05/18/2017] [Accepted: 06/07/2017] [Indexed: 01/11/2023]
Abstract
HLA-DRB1*07:01 allele carriage was characterised as a risk biomarker for lapatinib-induced liver injury in a large global study evaluating lapatinib, alone and in combination with trastuzumab and taxanes, as adjuvant therapy for advanced breast cancer (adjuvant lapatinib and/or trastuzumab treatment optimisation). HLA-DRB1*07:01 carriage was associated with serum alanine aminotransferase (ALT) elevations in lapatinib-treated patients (odds ratio 6.5, P=3 × 10-26, n=4482) and the risk and severity of ALT elevation for lapatinib-treated patients was higher in homozygous than heterozygous HLA-DRB1*07:01 genotype carriers. A higher ALT case incidence plus weaker HLA association observed during concurrent administration of lapatinib and taxane suggested a subset of liver injury in this combination group that was HLA-DRB1*07:01 independent. Furthermore, the incidence of ALT elevation demonstrated an expected correlation with geographic HLA-DRB1*07:01 carriage frequency. Robust ALT elevation risk estimates for HLA-DRB1*07:01 may support causality discrimination and safety risk management during the use of lapatinib combination therapy for the treatment of metastatic breast cancer.
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Strain WD, Paldánius PM. Dipeptidyl Peptidase-4 Inhibitor Development and Post-authorisation Programme for Vildagliptin - Clinical Evidence for Optimised Management of Chronic Diseases Beyond Type 2 Diabetes. EUROPEAN ENDOCRINOLOGY 2017; 13:62-67. [PMID: 29632609 PMCID: PMC5813466 DOI: 10.17925/ee.2017.13.02.62] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Accepted: 07/06/2017] [Indexed: 12/15/2022]
Abstract
The last decade has witnessed the role of dipeptidyl peptidase-4 (DPP-4) inhibitors in producing a conceptual change in early management of type 2 diabetes mellitus (T2DM) by shifting emphasis from a gluco-centric approach to holistically treating underlying pathophysiological processes. DPP-4 inhibitors highlighted the importance of acknowledging hypoglycaemia and weight gain as barriers to optimised care in T2DM. These complications were an integral part of diabetes management before the introduction of DPP-4 inhibitors. During the development of DPP-4 inhibitors, regulatory requirements for introducing new agents underwent substantial changes, with increased emphasis on safety. This led to the systematic collection of adjudicated cardiovascular (CV) safety data, and, where 95% confidence of a lack of harm could not be demonstrated, the standardised CV safety studies. Furthermore, the growing awareness of the worldwide extent of T2DM demanded a more diverse approach to recruitment and participation in clinical trials. Finally, the global financial crisis placed a new awareness on the health economics of diabetes, which rapidly became the most expensive disease in the world. This review encompasses unique developments in the global landscape, and the role DPP-4 inhibitors, specifically vildagliptin, have played in research advancement and optimisation of diabetes care in a diverse population with T2DM worldwide.
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Affiliation(s)
- William David Strain
- Diabetes and Vascular Medicine Research Centre, National Institute for Health Research Exeter Clinical Research Facility and Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, UK
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Maiuri AR, Wassink B, Turkus JD, Breier AB, Lansdell T, Kaur G, Hession SL, Ganey PE, Roth RA. Synergistic Cytotoxicity from Drugs and Cytokines In Vitro as an Approach to Classify Drugs According to Their Potential to Cause Idiosyncratic Hepatotoxicity: A Proof-of-Concept Study. J Pharmacol Exp Ther 2017; 362:459-473. [PMID: 28687704 DOI: 10.1124/jpet.117.242354] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 07/05/2017] [Indexed: 02/06/2023] Open
Abstract
Idiosyncratic drug-induced liver injury (IDILI) typically occurs in a small fraction of patients and has resulted in removal of otherwise efficacious drugs from the market. Current preclinical testing methods are ineffective in predicting which drug candidates have IDILI liability. Recent results suggest that immune mediators such as tumor necrosis factor-α (TNF) and interferon-γ (IFN) interact with drugs that cause IDILI to kill hepatocytes. This proof-of-concept study was designed to test the hypothesis that drugs can be classified according to their ability to cause IDILI in humans using classification modeling with covariates derived from concentration-response relationships that describe cytotoxic interaction with cytokines. Human hepatoma (HepG2) cells were treated with drugs associated with IDILI or with drugs lacking IDILI liability and cotreated with TNF and/or IFN. Detailed concentration-response relationships were determined for calculation of parameters such as the maximal cytotoxic effect, slope, and EC50 for use as covariates for classification modeling using logistic regression. These parameters were incorporated into multiple classification models to identify combinations of covariates that most accurately classified the drugs according to their association with human IDILI. Of 14 drugs associated with IDILI, almost all synergized with TNF to kill HepG2 cells and were successfully classified by statistical modeling. IFN enhanced the toxicity mediated by some IDILI-associated drugs in the presence of TNF. In contrast, of 10 drugs with little or no IDILI liability, none synergized with inflammatory cytokines to kill HepG2 cells and were classified accordingly. The resulting optimal model classified the drugs with extraordinary selectivity and specificity.
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Affiliation(s)
- Ashley R Maiuri
- Department of Pharmacology and Toxicology, Institute for Integrative Toxicology (A.R.M., J.D.T., A.B.B., T.L., G.K., P.E.G., R.A.R.), Department of Statistics and Probability (B.W.), and Center for Statistical Training & Consulting, (S.L.H.), Michigan State University, East Lansing, Michigan
| | - Bronlyn Wassink
- Department of Pharmacology and Toxicology, Institute for Integrative Toxicology (A.R.M., J.D.T., A.B.B., T.L., G.K., P.E.G., R.A.R.), Department of Statistics and Probability (B.W.), and Center for Statistical Training & Consulting, (S.L.H.), Michigan State University, East Lansing, Michigan
| | - Jonathan D Turkus
- Department of Pharmacology and Toxicology, Institute for Integrative Toxicology (A.R.M., J.D.T., A.B.B., T.L., G.K., P.E.G., R.A.R.), Department of Statistics and Probability (B.W.), and Center for Statistical Training & Consulting, (S.L.H.), Michigan State University, East Lansing, Michigan
| | - Anna B Breier
- Department of Pharmacology and Toxicology, Institute for Integrative Toxicology (A.R.M., J.D.T., A.B.B., T.L., G.K., P.E.G., R.A.R.), Department of Statistics and Probability (B.W.), and Center for Statistical Training & Consulting, (S.L.H.), Michigan State University, East Lansing, Michigan
| | - Theresa Lansdell
- Department of Pharmacology and Toxicology, Institute for Integrative Toxicology (A.R.M., J.D.T., A.B.B., T.L., G.K., P.E.G., R.A.R.), Department of Statistics and Probability (B.W.), and Center for Statistical Training & Consulting, (S.L.H.), Michigan State University, East Lansing, Michigan
| | - Gurpreet Kaur
- Department of Pharmacology and Toxicology, Institute for Integrative Toxicology (A.R.M., J.D.T., A.B.B., T.L., G.K., P.E.G., R.A.R.), Department of Statistics and Probability (B.W.), and Center for Statistical Training & Consulting, (S.L.H.), Michigan State University, East Lansing, Michigan
| | - Sarah L Hession
- Department of Pharmacology and Toxicology, Institute for Integrative Toxicology (A.R.M., J.D.T., A.B.B., T.L., G.K., P.E.G., R.A.R.), Department of Statistics and Probability (B.W.), and Center for Statistical Training & Consulting, (S.L.H.), Michigan State University, East Lansing, Michigan
| | - Patricia E Ganey
- Department of Pharmacology and Toxicology, Institute for Integrative Toxicology (A.R.M., J.D.T., A.B.B., T.L., G.K., P.E.G., R.A.R.), Department of Statistics and Probability (B.W.), and Center for Statistical Training & Consulting, (S.L.H.), Michigan State University, East Lansing, Michigan
| | - Robert A Roth
- Department of Pharmacology and Toxicology, Institute for Integrative Toxicology (A.R.M., J.D.T., A.B.B., T.L., G.K., P.E.G., R.A.R.), Department of Statistics and Probability (B.W.), and Center for Statistical Training & Consulting, (S.L.H.), Michigan State University, East Lansing, Michigan
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Marto N, Morello J, Monteiro EC, Pereira SA. Implications of sulfotransferase activity in interindividual variability in drug response: clinical perspective on current knowledge. Drug Metab Rev 2017; 49:357-371. [PMID: 28554218 DOI: 10.1080/03602532.2017.1335749] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The interindividual variability in drug response is a major issue in clinical practice and in drug development. Sulfoconjugation is an important Phase II reaction catalyzed by cytosolic sulfotransferases (SULTs), playing a major role in homeostatic functions, xenobiotic detoxification, and carcinogen bioactivation. SULT display wide interindividual variability, explained only partially by genetic variation, suggesting that other non-genetic, epigenetic, and environmental influences could be major determinants of variability in SULT activity. This review focuses on the factors known to influence SULT variability in expression and activity and the available evidence regarding the impact of SULT variability on drug response.
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Affiliation(s)
- Natalia Marto
- a CEDOC, Chronic Diseases Research Centre, NOVA Medical School Faculdade de Ciências Médicas, Universidade NOVA de Lisboa , Lisboa , Portugal.,b Department of Internal Medicine , Hospital da Luz , Lisboa , Portugal
| | - Judit Morello
- a CEDOC, Chronic Diseases Research Centre, NOVA Medical School Faculdade de Ciências Médicas, Universidade NOVA de Lisboa , Lisboa , Portugal
| | - Emilia C Monteiro
- a CEDOC, Chronic Diseases Research Centre, NOVA Medical School Faculdade de Ciências Médicas, Universidade NOVA de Lisboa , Lisboa , Portugal
| | - Sofia A Pereira
- a CEDOC, Chronic Diseases Research Centre, NOVA Medical School Faculdade de Ciências Médicas, Universidade NOVA de Lisboa , Lisboa , Portugal
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Cheng Y, Freeden C, Zhang Y, Abraham P, Shen H, Wescott D, Humphreys WG, Gan J, Lai Y. Biliary excretion of pravastatin and taurocholate in rats with bile salt export pump (Bsep) impairment. Biopharm Drug Dispos 2017; 37:276-86. [PMID: 27059119 DOI: 10.1002/bdd.2011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Revised: 03/15/2016] [Accepted: 03/28/2016] [Indexed: 01/07/2023]
Abstract
The bile salt export pump (BSEP) is expressed on the canalicular membrane of hepatocytes regulating liver bile salt excretion, and impairment of BSEP function may lead to cholestasis in humans. This study explored drug biliary excretion, as well as serum chemistry, individual bile acid concentrations and liver transporter expressions, in the SAGE Bsep knockout (KO) rat model. It was observed that the Bsep protein in KO rats was decreased to 15% of that in the wild type (WT), as quantified using LC-MS/MS. While the levels of Ntcp and Mrp2 were not significantly altered, Mrp3 expression increased and Oatp1a1 decreased in KO animals. Compared with the WT rats, the KO rats had similar serum chemistry and showed normal liver transaminases. Although the total plasma bile salts and bile flow were not significantly changed in Bsep KO rats, individual bile acids in plasma and liver demonstrated variable changes, indicating the impact of Bsep KO. Following an intravenous dose of deuterium labeled taurocholic acid (D4-TCA, 2 mg/kg), the D4-TCA plasma exposure was higher and bile excretion was delayed by approximately 0.5 h in the KO rats. No differences were observed for the pravastatin plasma concentration-time profile or the biliary excretion after intravenous administration (1 mg/kg). Collectively, the results revealed that these rats have significantly lower Bsep expression, therefore affecting the biliary excretion of endogenous bile acids and Bsep substrates. However, these rats are able to maintain a relatively normal liver function through the remaining Bsep protein and via the regulation of other transporters. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Yaofeng Cheng
- Pharmaceutical Candidate Optimization, Research and Development Bristol-Myers Squibb, Princeton, NJ, USA
| | - Chris Freeden
- Pharmaceutical Candidate Optimization, Research and Development Bristol-Myers Squibb, Princeton, NJ, USA
| | - Yueping Zhang
- Pharmaceutical Candidate Optimization, Research and Development Bristol-Myers Squibb, Princeton, NJ, USA
| | - Pamela Abraham
- Pharmaceutical Candidate Optimization, Research and Development Bristol-Myers Squibb, Princeton, NJ, USA
| | - Hong Shen
- Pharmaceutical Candidate Optimization, Research and Development Bristol-Myers Squibb, Princeton, NJ, USA
| | - Debra Wescott
- Pharmaceutical Candidate Optimization, Research and Development Bristol-Myers Squibb, Princeton, NJ, USA
| | - W Griffith Humphreys
- Pharmaceutical Candidate Optimization, Research and Development Bristol-Myers Squibb, Princeton, NJ, USA
| | - Jinping Gan
- Pharmaceutical Candidate Optimization, Research and Development Bristol-Myers Squibb, Princeton, NJ, USA
| | - Yurong Lai
- Pharmaceutical Candidate Optimization, Research and Development Bristol-Myers Squibb, Princeton, NJ, USA
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Roth RA, Maiuri AR, Ganey PE. Idiosyncratic Drug-Induced Liver Injury: Is Drug-Cytokine Interaction the Linchpin? J Pharmacol Exp Ther 2016; 360:461-470. [PMID: 28104833 DOI: 10.1124/jpet.116.237578] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Accepted: 11/11/2016] [Indexed: 12/11/2022] Open
Abstract
Idiosyncratic drug-induced liver injury continues to be a human health problem in part because drugs that cause these reactions are not identified in current preclinical testing and because progress in prevention is hampered by incomplete knowledge of mechanisms that underlie these adverse responses. Several hypotheses involving adaptive immune responses, inflammatory stress, inability to adapt to stress, and multiple, concurrent factors have been proposed. Yet much remains unknown about how drugs interact with the liver to effect death of hepatocytes. Evidence supporting hypotheses implicating adaptive or innate immune responses in afflicted patients has begun to emerge and is bolstered by results obtained in experimental animal models and in vitro systems. A commonality in adaptive and innate immunity is the production of cytokines, including interferon-γ (IFNγ). IFNγ initiates cell signaling pathways that culminate in cell death or inhibition of proliferative repair. Tumor necrosis factor-α, another cytokine prominent in immune responses, can also promote cell death. Furthermore, tumor necrosis factor-α interacts with IFNγ, leading to enhanced cellular responses to each cytokine. In this short review, we propose that the interaction of drugs with these cytokines contributes to idiosyncratic drug-induced liver injury, and mechanisms by which this could occur are discussed.
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Affiliation(s)
- Robert A Roth
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, Michigan
| | - Ashley R Maiuri
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, Michigan
| | - Patricia E Ganey
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, Michigan
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Evidence-based selection of training compounds for use in the mechanism-based integrated prediction of drug-induced liver injury in man. Arch Toxicol 2016; 90:2979-3003. [PMID: 27659300 PMCID: PMC5104805 DOI: 10.1007/s00204-016-1845-1] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2016] [Accepted: 08/29/2016] [Indexed: 12/16/2022]
Abstract
The current test systems employed by pharmaceutical industry are poorly predictive for drug-induced liver injury (DILI). The ‘MIP-DILI’ project addresses this situation by the development of innovative preclinical test systems which are both mechanism-based and of physiological, pharmacological and pathological relevance to DILI in humans. An iterative, tiered approach with respect to test compounds, test systems, bioanalysis and systems analysis is adopted to evaluate existing models and develop new models that can provide validated test systems with respect to the prediction of specific forms of DILI and further elucidation of mechanisms. An essential component of this effort is the choice of compound training set that will be used to inform refinement and/or development of new model systems that allow prediction based on knowledge of mechanisms, in a tiered fashion. In this review, we focus on the selection of MIP-DILI training compounds for mechanism-based evaluation of non-clinical prediction of DILI. The selected compounds address both hepatocellular and cholestatic DILI patterns in man, covering a broad range of pharmacologies and chemistries, and taking into account available data on potential DILI mechanisms (e.g. mitochondrial injury, reactive metabolites, biliary transport inhibition, and immune responses). Known mechanisms by which these compounds are believed to cause liver injury have been described, where many if not all drugs in this review appear to exhibit multiple toxicological mechanisms. Thus, the training compounds selection offered a valuable tool to profile DILI mechanisms and to interrogate existing and novel in vitro systems for the prediction of human DILI.
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30
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Perlemuter G, Cacoub P, Valla D, Guyader D, Saba B, Batailler C, Moore K. Characterisation of Agomelatine-Induced Increase in Liver Enzymes: Frequency and Risk Factors Determined from a Pooled Analysis of 7605 Treated Patients. CNS Drugs 2016; 30:877-88. [PMID: 27342740 DOI: 10.1007/s40263-016-0351-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Antidepressant-induced liver injury is a major concern and a liver monitoring scheme has been recommended by the European Medicines Agency for agomelatine. OBJECTIVE The objective of this study was to assess the liver safety and identify the characteristics of patients who developed a significant increase in transaminases whilst taking agomelatine. METHOD A retrospective pooled analysis of changes in transaminase levels in 9234 patients treated with agomelatine (25 or 50 mg/day; n = 7605) or placebo (n = 1629) from 49 phase II and III studies was undertaken. A significant increase in transaminase levels was defined as an increase to >3 times the upper limit of normal (ULN) (>3 × ULN). Final causality was determined in a case-by-case review by five academic experts. RESULTS Serum transaminases increased to >3 × ULN in 1.3 and 2.5 % of patients treated with 25 and 50 mg of agomelatine, respectively, compared with 0.5 % for placebo. The onset of increased transaminases occurred before 12 weeks in 64 % of patients. The median time to recovery (to ≤2 × ULN) was 14 days following treatment withdrawal. Liver function tests recovered in 36.1 % of patients despite continuation of agomelatine, suggesting the presence of a liver adaptive mechanism. No cases of acute liver failure or fatal outcome occurred. Patients with elevated transaminases at baseline, secondary to obesity/fatty liver disease, had an equally increased risk of developing further elevations of transaminases with agomelatine and placebo. CONCLUSION Incidence of abnormal transaminases was low and dose dependent. No specific population was identified regarding potential risk factors. Withdrawal of agomelatine led to rapid recovery, and some patients exhibited an adaptive phenomenon. Overall, in clinical trials, the liver profile of agomelatine seems safe when serum transaminases are monitored.
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Affiliation(s)
- Gabriel Perlemuter
- Univ. Paris-Sud, Univ. Paris-Saclay, CHU Bicêtre, 94270, Kremlin-Bicêtre, France. .,AP-HP, Hôpital Antoine-Béclère, Service d'Hépato-Gastroentérologie et Nutrition, DHU Hepatinov, 157 rue de la Porte de Trivaux, 92140, Clamart, France. .,INSERM U996, IPSIT, Labex Lermit, Clamart, France.
| | - Patrice Cacoub
- Sorbonne Universités, UPMC Université Paris 06, UMR 7211, Paris, France.,Inflammation-Immunopathology-Biotherapy Department (DHU i2B), 75005, Paris, France.,INSERM, UMR_S 959, 75013, Paris, France.,CNRS, FRE3632, 75005, Paris, France.,Department of Internal Medicine and Clinical Immunology, AP-HP, Groupe Hospitalier Pitié-Salpêtrière, 75013, Paris, France
| | - Dominique Valla
- DHU UNITY, Service d'Hépatologie, AP-HP, Hôpital Beaujon, Clichy, France.,CRI, UMR1149, Université Paris Diderot, Paris, France.,INSERM U1149, Paris, France
| | - Dominique Guyader
- Liver Disease Unit and INSERM U991, CHU Pontchaillou, Rennes, France.,University of Rennes 1, CHU de Rennes, Rennes, France
| | - Barbara Saba
- Institut de Recherches Internationales Servier, 92415, Suresnes, France
| | - Cécile Batailler
- Institut de Recherches Internationales Servier, 92415, Suresnes, France
| | - Kevin Moore
- UCL Institute of Liver and Digestive Health, University College London, Royal Free Campus, London, UK
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Evaluation of multiple mechanism-based toxicity endpoints in primary cultured human hepatocytes for the identification of drugs with clinical hepatotoxicity: Results from 152 marketed drugs with known liver injury profiles. Chem Biol Interact 2016; 255:3-11. [DOI: 10.1016/j.cbi.2015.11.008] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2015] [Revised: 10/31/2015] [Accepted: 11/06/2015] [Indexed: 02/07/2023]
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Nguyen DG, Funk J, Robbins JB, Crogan-Grundy C, Presnell SC, Singer T, Roth AB. Bioprinted 3D Primary Liver Tissues Allow Assessment of Organ-Level Response to Clinical Drug Induced Toxicity In Vitro. PLoS One 2016; 11:e0158674. [PMID: 27387377 PMCID: PMC4936711 DOI: 10.1371/journal.pone.0158674] [Citation(s) in RCA: 237] [Impact Index Per Article: 29.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Accepted: 06/20/2016] [Indexed: 12/30/2022] Open
Abstract
Modeling clinically relevant tissue responses using cell models poses a significant challenge for drug development, in particular for drug induced liver injury (DILI). This is mainly because existing liver models lack longevity and tissue-level complexity which limits their utility in predictive toxicology. In this study, we established and characterized novel bioprinted human liver tissue mimetics comprised of patient-derived hepatocytes and non-parenchymal cells in a defined architecture. Scaffold-free assembly of different cell types in an in vivo-relevant architecture allowed for histologic analysis that revealed distinct intercellular hepatocyte junctions, CD31+ endothelial networks, and desmin positive, smooth muscle actin negative quiescent stellates. Unlike what was seen in 2D hepatocyte cultures, the tissues maintained levels of ATP, Albumin as well as expression and drug-induced enzyme activity of Cytochrome P450s over 4 weeks in culture. To assess the ability of the 3D liver cultures to model tissue-level DILI, dose responses of Trovafloxacin, a drug whose hepatotoxic potential could not be assessed by standard pre-clinical models, were compared to the structurally related non-toxic drug Levofloxacin. Trovafloxacin induced significant, dose-dependent toxicity at clinically relevant doses (≤ 4uM). Interestingly, Trovafloxacin toxicity was observed without lipopolysaccharide stimulation and in the absence of resident macrophages in contrast to earlier reports. Together, these results demonstrate that 3D bioprinted liver tissues can both effectively model DILI and distinguish between highly related compounds with differential profile. Thus, the combination of patient-derived primary cells with bioprinting technology here for the first time demonstrates superior performance in terms of mimicking human drug response in a known target organ at the tissue level.
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Affiliation(s)
- Deborah G. Nguyen
- Organovo Holdings Inc., San Diego, CA, United States of America
- * E-mail:
| | - Juergen Funk
- Roche Pharmaceutical Research and Early Development, Roche Innovation Center, Basel, Switzerland
| | | | | | | | - Thomas Singer
- Roche Pharmaceutical Research and Early Development, Roche Innovation Center, Basel, Switzerland
| | - Adrian B. Roth
- Roche Pharmaceutical Research and Early Development, Roche Innovation Center, Basel, Switzerland
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Turillazzi E, D’Errico S, Neri M, Riezzo I, Fineschi V. A Fatal Case of Fulminant Hepatic Necrosis Following Sevoflurane Anesthesia. Toxicol Pathol 2016; 35:840-5. [PMID: 17943651 DOI: 10.1080/01926230701584148] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Volatile anesthetics can elevate cytosolic free Ca2+ by releasing calcium from internal calcium stores and uptaking calcium from extracellular medium. Sevoflurane is an inhaled anesthetic used worldwide. A clear understanding of the exact mechanism of hepatic injury induced by sevoflurane remains elusive. A 69-year-old man with preexisting mild renal dysfunction, having undergone sevoflurane general anesthesia twice in 2 days, developed moderate jaundice. Liver enzymes strongly increased and remained elevated until death, which occurred on the 6th day after the first surgical intervention. The microscopic liver examination revealed an extensive and confluent hepatic necrosis, characterised by a large amount of calcium deposition in hepatic cell cytoplasm. These data were confirmed by confocal laser scanning microscopy and a 3-D visualization of calcium depositions was evident in hepatocytes cytoplasm. Our findings are suggestive with the previous experimental reports that consider elevation of cytoplasmic calcium may be the basis of sevoflurane – induced hepatotoxicity.
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Affiliation(s)
- Emanuela Turillazzi
- Department of Forensic Pathology, University of Foggia, Ospedali Riuniti, 71100 Foggia, Italy
| | - Stefano D’Errico
- Department of Forensic Pathology, University of Foggia, Ospedali Riuniti, 71100 Foggia, Italy
| | - Margherita Neri
- Department of Forensic Pathology, University of Foggia, Ospedali Riuniti, 71100 Foggia, Italy
| | - Irene Riezzo
- Department of Forensic Pathology, University of Foggia, Ospedali Riuniti, 71100 Foggia, Italy
| | - Vittorio Fineschi
- Department of Forensic Pathology, University of Foggia, Ospedali Riuniti, 71100 Foggia, Italy
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Abstract
Animal experiments cannot predict the probability of idiosyncratic drug toxicity; consequently, an important goal of the pharmaceutical industry is to develop a new methodology for preventing this form of drug reaction. Although the mechanism remains unclear, immune reactions are likely involved in the toxic processes underlying idiosyncratic drug toxicity: the drug is first activated into a chemically reactive metabolite that binds covalently to proteins and then acts as an immunogen. Therefore, screening tests to detect chemically reactive metabolites are conducted early during drug development and typically involve trapping with glutathione. More quantitative methods are then used in a later stage of drug development and frequently employ (14)Cor (3)H-labeled compounds. It has recently been demonstrated that a zone classification system can be used to separate risky drugs from likely safe drugs: by plotting the amount of each protein-bound reactive metabolite in vitro against the dose levels in vivo, the risk associated with each drug candidate can be assessed. A mechanism for idiosyncratic drug-induced hepatotoxicity was proposed by analogy to virus-induced hepatitis, in which cytotoxic T lymphocytes play an important role. This mechanism suggests that polymorphism in human leukocyte antigens is involved in idiosyncrasy, and a strong correlation with a specific genotype of human leukocyte antigens has been found in many cases of idiosyncratic drug toxicity. Therefore, gene biomarkers hold promise for reducing the clinical risk and prolonging the life cycle of otherwise useful drugs.
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Affiliation(s)
- Toshihiko Ikeda
- Laboratory of Drug Metabolism and Pharmacokinetics, Yokohama College of Pharmacy
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35
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Metushi I, Uetrecht J, Phillips E. Mechanism of isoniazid-induced hepatotoxicity: then and now. Br J Clin Pharmacol 2016; 81:1030-6. [PMID: 26773235 DOI: 10.1111/bcp.12885] [Citation(s) in RCA: 121] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Revised: 12/03/2015] [Accepted: 01/13/2016] [Indexed: 12/27/2022] Open
Abstract
Isoniazid (INH) remains a mainstay for the treatment of tuberculosis despite the fact that it can cause liver failure. Previous mechanistic hypotheses have classified this type of drug-induced liver injury (DILI) as 'metabolic idiosyncrasy' which was thought not to involve an immune response and was mainly due to the bioactivation of the acetylhydrazine metabolite. However, more recent studies support an alternative hypothesis, specifically, that INH itself is directly bioactivated to a reactive metabolite, which in some patients leads to an immune response and liver injury. Furthermore, there appear to be two phenotypes of INH-induced liver injury. Most cases involve mild liver injury, which resolves with immune tolerance, while other cases appear to have a more severe phenotype that is associated with the production of anti-drug/anti-CYP P450 antibodies and can progress to liver failure.
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Affiliation(s)
- Imir Metushi
- Center for Advanced Laboratory Medicine, Department of Pathology, University of California San Diego, San Diego, CA, 92116, USA
| | - Jack Uetrecht
- Leslie Dan Faculty of Pharmacy, Department of Pharmaceutical Sciences, University of Toronto, Toronto, ON, M5S 3M2, Canada
| | - Elizabeth Phillips
- Department of Medicine, Vanderbilt School of Medicine, Nashville, TN, 37232, USA
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Dara L, Liu ZX, Kaplowitz N. Mechanisms of adaptation and progression in idiosyncratic drug induced liver injury, clinical implications. Liver Int 2016; 36:158-65. [PMID: 26484420 PMCID: PMC4718752 DOI: 10.1111/liv.12988] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 10/13/2015] [Indexed: 12/13/2022]
Abstract
In the past decade our understanding of idiosyncratic drug induced liver injury (IDILI) and the contribution of genetic susceptibility and the adaptive immune system to the pathogenesis of this disease process has grown tremendously. One of the characteristics of IDILI is that it occurs rarely and only in a subset of individuals with a presumed susceptibility to the drug. Despite a clear association between single nucleotide polymorphisms in human leukocyte antigen (HLA) genes and certain drugs that cause IDILI, not all individuals with susceptible HLA genotypes develop clinically significant liver injury when exposed to drugs. The adaptation hypothesis has been put forth as an explanation for why only a small percentage of susceptible individuals develop overt IDILI and severe injury, while the majority with susceptible genotypes develop only mild abnormalities that resolve spontaneously upon continuation of the drug. This spontaneous resolution is referred to as clinical adaptation. Failure to adapt or defective adaptation leads to clinically significant liver injury. In this review we explore the immuno-tolerant microenvironment of the liver and the mechanisms of clinical adaptation in IDILI with a focus on the role of immune-tolerance and cellular adaptive responses.
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Affiliation(s)
- Lily Dara
- Research Center for Liver Disease, Keck School of Medicine, University of Southern California, Los Angeles CA
| | - Zhang-Xu Liu
- Research Center for Liver Disease, Keck School of Medicine, University of Southern California, Los Angeles CA
| | - Neil Kaplowitz
- Research Center for Liver Disease, Keck School of Medicine, University of Southern California, Los Angeles CA
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Woolbright BL, Jaeschke H. Xenobiotic and Endobiotic Mediated Interactions Between the Cytochrome P450 System and the Inflammatory Response in the Liver. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2015; 74:131-61. [PMID: 26233906 DOI: 10.1016/bs.apha.2015.04.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The liver is a unique organ in the body as it has significant roles in both metabolism and innate immune clearance. Hepatocytes in the liver carry a nearly complete complement of drug metabolizing enzymes, including numerous cytochrome P450s. While a majority of these enzymes effectively detoxify xenobiotics, or metabolize endobiotics, a subportion of these reactions result in accumulation of metabolites that can cause either direct liver injury or indirect liver injury through activation of inflammation. The liver also contains multiple populations of innate immune cells including the resident macrophages (Kupffer cells), a relatively large number of natural killer cells, and blood-derived neutrophils. While these cells are primarily responsible for clearance of pathogens, activation of these immune cells can result in significant tissue injury during periods of inflammation. When activated chronically, these inflammatory bouts can lead to fibrosis, cirrhosis, cancer, or death. This chapter will focus on interactions between how the liver processes xenobiotic and endobiotic compounds through the cytochrome P450 system, and how these processes can result in a response from the innate immune cells of the liver. A number of different clinically relevant diseases, as well as experimental models, are currently available to study mechanisms related to the interplay of innate immunity and cytochrome P450-mediated metabolism. A major focus of the chapter will be to evaluate currently understood mechanisms in the context of these diseases, as a way of outlining mechanisms that dictate the interactions between the P450 system and innate immunity.
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Affiliation(s)
- Benjamin L Woolbright
- Department of Pharmacology, Toxicology and Therapeutics, Kansas University Medical Center, Kansas City, Kansas, USA
| | - Hartmut Jaeschke
- Department of Pharmacology, Toxicology and Therapeutics, Kansas University Medical Center, Kansas City, Kansas, USA.
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Jenssen T, Hartmann A. Emerging treatments for post-transplantation diabetes mellitus. Nat Rev Nephrol 2015; 11:465-77. [PMID: 25917553 DOI: 10.1038/nrneph.2015.59] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Post-transplantation diabetes mellitus (PTDM), also known as new-onset diabetes mellitus (NODM), occurs in 10-15% of renal transplant recipients and is associated with cardiovascular disease and reduced lifespan. In the majority of cases, PTDM is characterized by β-cell dysfunction, as well as reduced insulin sensitivity in liver, muscle and adipose tissue. Glucose-lowering therapy must be compatible with immunosuppressant agents, reduced glomerular filtration rate (GFR) and severe arteriosclerosis. Such therapy should not place the patient at risk by inducing hypoglycaemic episodes or exacerbating renal function owing to adverse gastrointestinal effects with hypovolaemia. First-generation and second-generation sulphonylureas are generally avoided, and caution is currently advocated for the use of metformin in patients with GFR <60 ml/min/1.73 m(2). DPP-4 inhibitors do not interact with immunosuppressant drugs and have demonstrated safety in small clinical trials. Other therapeutic options include glinides and glitazones. Evidence-based treatment regimens used in patients with type 2 diabetes mellitus cannot be directly implemented in patients with PTDM. Studies investigating the latest drugs are required to direct the development of improved treatment strategies for patients with PTDM. This Review outlines the modern principles of glucose-lowering treatment in PTDM with specific reference to renal transplant recipients.
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Affiliation(s)
- Trond Jenssen
- Research Group of Nephrology and Metabolism, Department of Clinical Medicine, UIT Arctic University of Norway, Hansine Hansens Veg 18, PO Box 6050 Langnes, 9037 Tromsø, Norway
| | - Anders Hartmann
- Department of Transplant Medicine, Section of Nephrology, Oslo University Hospital Rikshospitalet, Sognsvannvegen 20, PO Box 4950, Nydalen, Oslo 0424, Norway
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Metushi IG, Hayes MA, Uetrecht J. Treatment of PD-1(-/-) mice with amodiaquine and anti-CTLA4 leads to liver injury similar to idiosyncratic liver injury in patients. Hepatology 2015; 61:1332-42. [PMID: 25283142 DOI: 10.1002/hep.27549] [Citation(s) in RCA: 110] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 09/29/2014] [Indexed: 02/05/2023]
Abstract
UNLABELLED The mechanism of idiosyncratic drug-induced liver injury (IDILI) remains poorly understood, to a large degree because of the lack of a valid animal model. Recently, we reported an animal model in which treatment of female C57BL/6 mice with amodiaquine (AQ) resulted in mild liver injury with a delayed onset and resolution despite continued treatment. Such adaptation is a common outcome in the IDILI caused by drugs that can cause liver failure. We had hypothesized that most IDILI is immune-mediated and adaptation represents immune tolerance. In this study we found that AQ treatment of Cbl-b(-/-) and PD-1(-/-) mice, which have impaired immune tolerance, resulted in a slightly greater injury. Cotreatment of C57BL/6 with AQ and anti-CTLA4 also resulted in a greater increase in ALT than treatment with AQ alone; however, these mice also had an increase in T regulatory (Treg) cells and T helper cells expressing PD-1 and CTLA4. The increase in these cells implies the induction of immune tolerance, and the alanine aminotransferase (ALT) activity in these mice returned to normal despite continued treatment. Cotreatment of PD-1(-/-) mice with anti-CTLA4 antibody and AQ resulted in the greatest increase in ALT (200-300 U/L), and necroinflammatory responses characterized by portal infiltration of lymphocytes with interface hepatitis. The lymphocyte infiltration included T and B cells, and the CD8(+) T cells produced perforin and granzyme. In addition, the ALT activity in PD-1(-/-) mice cotreated with anti-CTLA4 antibody and AQ did not return to normal, as it had in other mice. CONCLUSION We report here the first animal model of IDILI that is similar to the IDILI that occurs in humans, and it was accomplished by inhibiting immune tolerance.
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Affiliation(s)
- Imir G Metushi
- Department of Pharmacology and Toxicology, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
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Goto S, Deguchi J, Nishio N, Nomura N, Funabashi H. Hepatotoxicants induce cytokine imbalance in response to innate immune system. J Toxicol Sci 2015; 40:389-404. [DOI: 10.2131/jts.40.389] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- Shima Goto
- Preclinical Research Laboratories, Sumitomo Dainippon Pharma Co., Ltd
| | - Jiro Deguchi
- Preclinical Research Laboratories, Sumitomo Dainippon Pharma Co., Ltd
| | - Naoki Nishio
- Preclinical Research Laboratories, Sumitomo Dainippon Pharma Co., Ltd
| | - Naruaki Nomura
- Preclinical Research Laboratories, Sumitomo Dainippon Pharma Co., Ltd
| | - Hitoshi Funabashi
- Preclinical Research Laboratories, Sumitomo Dainippon Pharma Co., Ltd
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Domínguez Jiménez JL, Pelado García EM, Copado Herrera R. [Mesalazine-induced acute hepatitis]. GASTROENTEROLOGIA Y HEPATOLOGIA 2014; 38:302-3. [PMID: 25458543 DOI: 10.1016/j.gastrohep.2014.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Revised: 09/15/2014] [Accepted: 09/16/2014] [Indexed: 10/24/2022]
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42
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Teo YL, Ho HK, Chan A. Formation of reactive metabolites and management of tyrosine kinase inhibitor-induced hepatotoxicity: a literature review. Expert Opin Drug Metab Toxicol 2014; 11:231-42. [PMID: 25400226 DOI: 10.1517/17425255.2015.983075] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Existing clinical evidence indicates that many tyrosine kinase inhibitors (TKIs) are associated with idiosyncratic hepatotoxicity. TKIs possess risk factors for developing drug-induced liver injury such as their high daily dose, being substrates of P450 enzyme and being involved in significant hepatic metabolism. Several successful strategies to overcome TKI-induced hepatotoxicity include: switching to an alternative TKI with a similar mechanism of action, using an alternative dose and introduction of corticosteroids for treatment and prevention of hepatotoxicity. AREAS COVERED This review highlights the formation of reactive metabolites and how this leads to toxicity, as well as the current clinical management of TKI-induced hepatotoxicity. EXPERT OPINION Numerous events need to occur in an individual patient before converging into an idiosyncratic hepatotoxicity episode. Of these, the formation of a reactive intermediate through metabolism appears to be the prerequisite. This critical event involves an intricate chemico-biological interaction where, on one hand, drug-specific characteristics create the propensity for occurrence and, on the other hand, patient risk factors determine the individuality of response. With improved understanding of the mechanisms leading to adverse events, several strategies are being adopted to prevent and treat TKI-induced hepatotoxicity. However, further evidence is required before they can be recommended to larger populations.
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Affiliation(s)
- Yi Ling Teo
- National University of Singapore, Department of Pharmacy, Faculty of Science , 18 Science Drive 4, Singapore 117543 , Singapore +65 6516 7814, +65 6516 7963 ; +65 6779 1554 ; ,
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Heidari R, Niknahad H, Jamshidzadeh A, Abdoli N. Factors affecting drug-induced liver injury: antithyroid drugs as instances. Clin Mol Hepatol 2014; 20:237-48. [PMID: 25320726 PMCID: PMC4197171 DOI: 10.3350/cmh.2014.20.3.237] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2013] [Revised: 05/03/2014] [Accepted: 05/12/2014] [Indexed: 12/22/2022] Open
Abstract
Methimazole and propylthiouracil have been used in the management of hyperthyroidism for more than half a century. However, hepatotoxicity is one of the most deleterious side effects associated with these medications. The mechanism(s) of hepatic injury induced by antithyroid agents is not fully recognized yet. Furthermore, there are no specific tools for predicting the occurrence of hepatotoxicity induced by these drugs. The purpose of this article is to give an overview on possible susceptibility factors in liver injury induced by antithyroid agents. Age, gender, metabolism characteristics, alcohol consumption, underlying diseases, immunologic mechanisms, and drug interactions are involved in enhancing antithyroid drugs-induced hepatic damage. An outline on the clinically used treatments for antithyroid drugs-induced hepatotoxicity and the potential therapeutic strategies found to be effective against this complication are also discussed.
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Affiliation(s)
- Reza Heidari
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hossein Niknahad
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran. ; Pharmacology and Toxicology Department, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Akram Jamshidzadeh
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran. ; Pharmacology and Toxicology Department, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Narges Abdoli
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
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Characteristic molecular and proteomic signatures of drug-induced liver injury in a rat model. J Appl Toxicol 2014; 35:152-64. [DOI: 10.1002/jat.3062] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2014] [Revised: 07/13/2014] [Accepted: 07/14/2014] [Indexed: 12/21/2022]
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Krueger W, Boelsterli UA, Rasmussen TP. Stem Cell Strategies to Evaluate Idiosyncratic Drug-induced Liver Injury. J Clin Transl Hepatol 2014; 2:143-52. [PMID: 26355943 PMCID: PMC4521249 DOI: 10.14218/jcth.2014.00012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Revised: 05/13/2014] [Accepted: 06/07/2014] [Indexed: 12/14/2022] Open
Abstract
The host-dependent nature of idiosyncratic drug-induced liver injury (iDILI) suggests that rare genetic polymorphisms may contribute to the disease. Indeed, a few mutations in key genes have already been identified using conventional human genetics approaches. Over 50 commonly used drugs can precipitate iDILI, making this a substantial medical problem. Only recently have human induced pluripotent stem cells been used as a research tool to discover novel iDILI genes and to study the mechanisms of iDILI in vitro. Here we review the current state of stem cell use in the investigation of iDILI, with a special focus on genetics. In addition, the concerns and difficulties associated with genetics and animal model research are discussed. We then present the features of patient-specific pluripotent stem cells (which may be derived from iDILI patients themselves), and explain why these cells may be of great utility. A variety of recent approaches to produce hepatocyte-like cells from pluripotent cells and the associated advantages and limitations of such cells are discussed. Future directions for the use of stem cell science to investigate iDILI include novel ways to identify new iDILI genes, a consideration of epigenetic impacts on iDILI, and the development of new and improved strategies for the production of hepatocytes from human pluripotent cells.
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Affiliation(s)
- Winfried Krueger
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT, USA
| | - Urs A. Boelsterli
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT, USA
| | - Theodore P. Rasmussen
- Department of Pharmaceutical Sciences, University of Connecticut, Storrs, CT, USA
- Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, USA
- University of Connecticut Stem Cell Institute, Storrs/Farmington, CT, USA
- Correspondence to: Theodore P. Rasmussen, Department of Pharmaceutical Sciences, University of Connecticut, 69 North Eagleville Road, U-3092, Storrs, CT 06269, USA. Tel: +86-486-8339, Fax: +86-486-5792. E-mail:
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Li LM, Wang D, Zen K. MicroRNAs in Drug-induced Liver Injury. J Clin Transl Hepatol 2014; 2:162-9. [PMID: 26357624 PMCID: PMC4521241 DOI: 10.14218/jcth.2014.00015] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Revised: 08/02/2014] [Accepted: 08/04/2014] [Indexed: 12/12/2022] Open
Abstract
Drug-induced liver injury (DILI) is a leading cause of acute liver failure, and a major reason for the recall of marketed drugs. Detection of potential liver injury is a challenge for clinical management and preclinical drug safety studies, as well as a great obstacle to the development of new, effective and safe drugs. Currently, serum levels of alanine and aspartate aminotransferases are the gold standard for evaluating liver injury. However, these levels are assessed by nonspecific, insensitive, and non-predictive tests, and often result in false-positive results. Therefore, there is an urgent need for better DILI biomarkers to guide risk assessment and patient management. The discovery of microRNAs (miRNAs) as a new class of gene expression regulators has triggered an explosion of research, particularly on the measurement of miRNAs in various body fluids as biomarkers for many human diseases. The properties of miRNA-based biomarkers, such as tissue specificity and high stability and sensitivity, suggest they could be used as novel, minimally invasive and stable DILI biomarkers. In the current review, we summarize recent progress concerning the role of miRNAs in diagnosing and monitoring both clinical and preclinical DILI, and discuss the main advantages and challenges of miRNAs as novel DILI biomarkers.
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Affiliation(s)
| | | | - Ke Zen
- Correspondence to: Ke Zen, Nanjing University School of Life Sciences, 22 Hankou Road, Nanjing, Jiangsu 210093, China. E-mail:
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Ma H, Ning J, Jin X, Mao C, Bu X, Wang M, Liu H, Wang K, Lausted C, Hood L, Chen J, Hu Z. Betaine homocysteine methyltransferase (BHMT) as a specific and sensitive blood marker for acute liver injury. Biomarkers 2014; 19:578-84. [PMID: 25144858 DOI: 10.3109/1354750x.2014.951880] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Huailei Ma
- National Center for Nanoscience and Technology
BeijingP.R. China
| | - Jing Ning
- Beijing Proteome Research Center, Beijing Institute of Radiation Medicine
BeijingP.R. China
- Department of Laboratory Medicine, Beijing 307 Hospital
BeijingP.R. China
- Department of Laboratory Medicine, Affiliated Hospital, Academy of Military Medicine Science
BeijingP.R. China
- Department of Laboratory Medicine, Beijing Municipal Corps Hospital, Chinese People’s Armed Police Forces
BeijingP.R. China
| | - Xin Jin
- Department of Laboratory Medicine, Beijing 307 Hospital
BeijingP.R. China
| | - Chunming Mao
- Beijing Proteome Research Center, Beijing Institute of Radiation Medicine
BeijingP.R. China
| | - Xiangli Bu
- National Center for Nanoscience and Technology
BeijingP.R. China
| | - Miao Wang
- Department of Laboratory Medicine, Beijing 307 Hospital
BeijingP.R. China
| | - Huan Liu
- Beijing Proteome Research Center, Beijing Institute of Radiation Medicine
BeijingP.R. China
| | - Kun Wang
- Beijing Proteome Research Center, Beijing Institute of Radiation Medicine
BeijingP.R. China
- Division of Physical Biology & Bioimaging Center, Shanghai Institute of Applied Physics, Chinese Academy of Sciences ShanghaiP.R. China
| | | | - Leroy Hood
- Institute for Systems Biology, North Seattle
WAUSA
| | - Jiankui Chen
- Department of Laboratory Medicine, Beijing 307 Hospital
BeijingP.R. China
- Department of Laboratory Medicine, Affiliated Hospital, Academy of Military Medicine Science
BeijingP.R. China
| | - Zhiyuan Hu
- National Center for Nanoscience and Technology
BeijingP.R. China
- Beijing Proteome Research Center, Beijing Institute of Radiation Medicine
BeijingP.R. China
- Institute for Systems Biology, North Seattle
WAUSA
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Systems pharmacology modeling predicts delayed presentation and species differences in bile acid-mediated troglitazone hepatotoxicity. Clin Pharmacol Ther 2014; 96:589-98. [PMID: 25068506 PMCID: PMC4480860 DOI: 10.1038/clpt.2014.158] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Accepted: 07/17/2014] [Indexed: 01/08/2023]
Abstract
Troglitazone (TGZ) causes delayed, life-threatening drug-induced liver injury in some patients but was not hepatotoxic in rats. This study investigated altered bile acid homeostasis as a mechanism of TGZ hepatotoxicity using a systems pharmacology model incorporating drug/metabolite disposition, bile acid physiology/pathophysiology, hepatocyte life cycle, and liver injury biomarkers. In the simulated human population, TGZ (200-600 mg/day × 6 months) resulted in delayed increases in serum alanine transaminase >3× the upper limit of normal in 0.3-5.1%, with concomitant bilirubin elevations >2× the upper limit of normal in 0.3-3.6%, of the population. By contrast, pioglitazone (15-45 mg/day × 6 months) did not elicit hepatotoxicity, consistent with clinical data. TGZ was not hepatotoxic in the simulated rat population. In summary, mechanistic modeling based only on bile acid effects accurately predicted the incidence, delayed presentation, and species differences in TGZ hepatotoxicity, in addition to predicting the relative liver safety of pioglitazone. Systems pharmacology models integrating physiology and experimental data can evaluate drug-induced liver injury mechanisms and may be useful to predict the hepatotoxic potential of drug candidates.
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Metushi IG, Cai P, Dervovic D, Liu F, Lobach A, Nakagawa T, Uetrecht J. Development of a novel mouse model of amodiaquine-induced liver injury with a delayed onset. J Immunotoxicol 2014; 12:247-60. [PMID: 25046026 DOI: 10.3109/1547691x.2014.934977] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Amodiaquine (AQ) treatment is associated with a high incidence of idiosyncratic drug-induced liver injury (IDILI) and agranulocytosis. Evidence suggests that AQ-induced IDILI is immune mediated. A significant impediment to mechanistic studies of IDILI is the lack of valid animal models. This study reports the first animal model of IDILI with characteristics similar to mild IDILI in humans. Treatment of female C57BL/6 mice with AQ led to liver injury with delayed onset, which resolved despite continued treatment. Covalent binding of AQ was detected in the liver, which was greater in female than in male mice, and higher in the liver than in other organs. Covalent binding in the liver was maximal by Day 3, which did not explain the delayed onset of alanine aminotransferase (ALT) elevation. However, coincident with the elevated serum ALT, infiltration of liver and splenic mononuclear cells and activation of CD8 T-cells within the liver were identified. By Week 7, when ALT levels had returned close to normal, down-regulation of several inflammatory cytokines and up-regulation of PD-1 on T-cells suggested induction of immune tolerance. Treatment of Rag1(-/-) mice with AQ resulted in higher ALT activities than C57BL/6 mice, which suggested that the adaptive immune response was responsible for immune tolerance. In contrast, depletion of NK cells significantly attenuated the increase in ALT, which implied a role for NK cells in mild AQ-induced IDILI. This is the first example of a delayed-onset animal model of IDILI that appears to be immune-mediated.
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Affiliation(s)
- Imir G Metushi
- Department of Pharmacology and Toxicology, Faculty of Medicine and
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Metushi IG, Zhu X, Uetrecht J. D-penicillamine-induced granulomatous hepatitis in brown Norway rats. Mol Cell Biochem 2014; 393:229-35. [DOI: 10.1007/s11010-014-2065-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Accepted: 04/11/2014] [Indexed: 10/25/2022]
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