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Balkrishna A, Gohel V, Pathak N, Bhattacharya K, Dev R, Varshney A. Livogrit prevents Amiodarone-induced toxicity in experimental model of human liver (HepG2) cells and Caenorhabditis elegans by regulating redox homeostasis. Drug Chem Toxicol 2024:1-17. [PMID: 38425274 DOI: 10.1080/01480545.2024.2320189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 02/13/2024] [Indexed: 03/02/2024]
Abstract
Treatment with cationic amphiphilic drugs like Amiodarone leads to development of phospholipidosis, a type of lysosomal storage disorder characterized by excessive deposition of phospholipids. Such disorder in liver enhances accumulation of drugs and its metabolites, and dysregulates lipid profiles, which subsequently leads to hepatotoxicity. In the present study, we assessed pharmacological effects of herbal medicine, Livogrit, against hepatic phospholipidosis-induced toxicity. Human liver (HepG2) cells and in vivo model of Caenorhabditis elegans (N2 and CF1553 strains) were used to study effect of Livogrit on Amiodarone-induced phospholipidosis. In HepG2 cells, Livogrit treatment displayed enhanced uptake of acidic pH-based stains and reduced phospholipid accumulation, oxidative stress, AST, ALT, cholesterol levels, and gene expression of SCD-1 and LSS. Protein levels of LPLA2 were also normalized. Livogrit treatment restored Pgp functionality which led to decreased cellular accumulation of Amiodarone as observed by UHPLC analysis. In C. elegans, Livogrit prevented ROS generation, fat-6/7 gene overexpression, and lysosomal trapping of Amiodarone in N2 strain. SOD-3::GFP expression in CF1553 strain normalized by Livogrit treatment. Livogrit regulates phospholipidosis by regulation of redox homeostasis, phospholipid anabolism, and Pgp functionality hindered by lysosomal trapping of Amiodarone. Livogrit could be a potential therapeutic intervention for amelioration of drug-induced phospholipidosis and prevent hepatotoxicity.
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Affiliation(s)
- Acharya Balkrishna
- Drug Discovery and Development Division, Patanjali Research Foundation, Governed by Patanjali Research Foundation Trust, Haridwar, Uttarakhand, India
- Department of Allied and Applied Sciences, University of Patanjali, Haridwar, Uttarakhand, India
- Patanjali Yog Peeth (UK) Trust, Glasgow, UK
| | - Vivek Gohel
- Drug Discovery and Development Division, Patanjali Research Foundation, Governed by Patanjali Research Foundation Trust, Haridwar, Uttarakhand, India
| | - Nishit Pathak
- Drug Discovery and Development Division, Patanjali Research Foundation, Governed by Patanjali Research Foundation Trust, Haridwar, Uttarakhand, India
| | - Kunal Bhattacharya
- Drug Discovery and Development Division, Patanjali Research Foundation, Governed by Patanjali Research Foundation Trust, Haridwar, Uttarakhand, India
| | - Rishabh Dev
- Drug Discovery and Development Division, Patanjali Research Foundation, Governed by Patanjali Research Foundation Trust, Haridwar, Uttarakhand, India
| | - Anurag Varshney
- Drug Discovery and Development Division, Patanjali Research Foundation, Governed by Patanjali Research Foundation Trust, Haridwar, Uttarakhand, India
- Department of Allied and Applied Sciences, University of Patanjali, Haridwar, Uttarakhand, India
- Special Centre for Systems Medicine, Jawaharlal Nehru University, New Delhi, India
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Ishide T, Nishi H, Miyano S, Hirakawa Y, Honda K, Abe H, Sato M, Nangaku M. Kidney Podocyte Zebra Bodies after Lung Transplantation for Lymphangioleiomyomatosis. Intern Med 2022. [PMID: 36351586 PMCID: PMC10372279 DOI: 10.2169/internalmedicine.0882-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
A 55-year-old woman showed progressive renal dysfunction after unilateral deceased-donor lung transplantation for lymphangioleiomyomatosis. A kidney biopsy showed a striped pattern of interstitial fibrosis, suggesting calcineurin inhibitor toxicity, and zebra body accumulation was found predominantly in the podocytes, characteristics of Fabry disease. Nevertheless, she had no extra-renal symptoms of the disease, and gene testing identified no known mutation or exon deletion. Our case report and literature review suggest that this atypical lysosomal inclusion may be phospholipidosis induced by sertraline. Potential underlying etiologies linking zebra body deposits may be not only hereditary but also drug-induced phospholipidosis.
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Affiliation(s)
- Takashi Ishide
- Division of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Japan
| | - Hiroshi Nishi
- Division of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Japan
| | - Shinako Miyano
- Division of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Japan
| | - Yosuke Hirakawa
- Division of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Japan
| | - Kenjiro Honda
- Division of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Japan
| | - Hiroyuki Abe
- Department of Pathology, The University of Tokyo Graduate School of Medicine, Japan
| | - Masaaki Sato
- Department of Thoracic Surgery, The University of Tokyo Graduate School of Medicine, Japan
| | - Masaomi Nangaku
- Division of Nephrology and Endocrinology, The University of Tokyo Graduate School of Medicine, Japan
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In Vitro Models for Studying Chronic Drug-Induced Liver Injury. Int J Mol Sci 2022; 23:ijms231911428. [PMID: 36232728 PMCID: PMC9569683 DOI: 10.3390/ijms231911428] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/08/2022] [Accepted: 09/22/2022] [Indexed: 11/17/2022] Open
Abstract
Drug-induced liver injury (DILI) is a major clinical problem in terms of patient morbidity and mortality, cost to healthcare systems and failure of the development of new drugs. The need for consistent safety strategies capable of identifying a potential toxicity risk early in the drug discovery pipeline is key. Human DILI is poorly predicted in animals, probably due to the well-known interspecies differences in drug metabolism, pharmacokinetics, and toxicity targets. For this reason, distinct cellular models from primary human hepatocytes or hepatoma cell lines cultured as 2D monolayers to emerging 3D culture systems or the use of multi-cellular systems have been proposed for hepatotoxicity studies. In order to mimic long-term hepatotoxicity in vitro, cell models, which maintain hepatic phenotype for a suitably long period, should be used. On the other hand, repeated-dose administration is a more relevant scenario for therapeutics, providing information not only about toxicity, but also about cumulative effects and/or delayed responses. In this review, we evaluate the existing cell models for DILI prediction focusing on chronic hepatotoxicity, highlighting how better characterization and mechanistic studies could lead to advance DILI prediction.
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Oxidative-stress and long-term hepatotoxicity: comparative study in Upcyte human hepatocytes and hepaRG cells. Arch Toxicol 2022; 96:1021-1037. [PMID: 35156134 DOI: 10.1007/s00204-022-03236-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 01/24/2022] [Indexed: 12/14/2022]
Abstract
Drug-induced liver injury (DILI) is one of the most common and serious adverse drug reactions and a major cause of drug development failure and withdrawal. Although different molecular mechanisms are implicated in DILI, enhanced ROS levels have been described as a major mechanism. Human-derived cell models are increasingly used in preclinical safety assessment because they provide quick and relatively inexpensive information in early stages of drug development. We have analyzed and compared the phenotype and functionality of two liver cell models (Upcyte human hepatocytes and HepaRG cells) to demonstrate their suitability for long-term hepatotoxicity assessments and mechanistic studies. The transcriptomic and functional analysis revealed the maintenance of phase I and phase II enzymes, and antioxidant enzymes along time in culture, although the differences found between both test systems underlie the differential sensitivity to hepatotoxins. The evaluation of several mechanisms of cell toxicity, including oxidative stress, by high-content screening, demonstrated that, by combining the stable phenotype of liver cells and repeated-dose exposure regimes to 12 test compounds at clinically relevant concentrations, both Upcyte hepatocytes and HepaRG offer suitable properties to be used in routine screening assays for toxicological assessments during drug preclinical testing.
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Pelechá M, Villanueva-Bádenas E, Timor-López E, Donato MT, Tolosa L. Cell Models and Omics Techniques for the Study of Nonalcoholic Fatty Liver Disease: Focusing on Stem Cell-Derived Cell Models. Antioxidants (Basel) 2021; 11:86. [PMID: 35052590 PMCID: PMC8772881 DOI: 10.3390/antiox11010086] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/24/2021] [Accepted: 12/28/2021] [Indexed: 12/04/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is now the leading cause of chronic liver disease in western countries. The molecular mechanisms leading to NAFLD are only partially understood, and effective therapeutic interventions are clearly needed. Therefore, preclinical research is required to improve knowledge about NAFLD physiopathology and to identify new therapeutic targets. Primary human hepatocytes, human hepatic cell lines, and human stem cell-derived hepatocyte-like cells exhibit different hepatic phenotypes and have been widely used for studying NAFLD pathogenesis. In this paper, apart from employing the different in vitro cell models for the in vitro assessment of NAFLD, we also reviewed other approaches (metabolomics, transcriptomics, and high-content screening). We aimed to summarize the characteristics of different cell types and methods and to discuss their major advantages and disadvantages for NAFLD modeling.
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Affiliation(s)
- María Pelechá
- Unidad de Hepatología Experimental, Instituto de Investigación Sanitaria La Fe, 46026 Valencia, Spain; (M.P.); (E.V.-B.); (E.T.-L.)
| | - Estela Villanueva-Bádenas
- Unidad de Hepatología Experimental, Instituto de Investigación Sanitaria La Fe, 46026 Valencia, Spain; (M.P.); (E.V.-B.); (E.T.-L.)
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina y Odontología, Universidad de Valencia, 46010 Valencia, Spain
| | - Enrique Timor-López
- Unidad de Hepatología Experimental, Instituto de Investigación Sanitaria La Fe, 46026 Valencia, Spain; (M.P.); (E.V.-B.); (E.T.-L.)
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina y Odontología, Universidad de Valencia, 46010 Valencia, Spain
| | - María Teresa Donato
- Unidad de Hepatología Experimental, Instituto de Investigación Sanitaria La Fe, 46026 Valencia, Spain; (M.P.); (E.V.-B.); (E.T.-L.)
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina y Odontología, Universidad de Valencia, 46010 Valencia, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Laia Tolosa
- Unidad de Hepatología Experimental, Instituto de Investigación Sanitaria La Fe, 46026 Valencia, Spain; (M.P.); (E.V.-B.); (E.T.-L.)
- Biomedical Research Networking Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Instituto de Salud Carlos III, 28029 Madrid, Spain
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Segovia-Zafra A, Di Zeo-Sánchez DE, López-Gómez C, Pérez-Valdés Z, García-Fuentes E, Andrade RJ, Lucena MI, Villanueva-Paz M. Preclinical models of idiosyncratic drug-induced liver injury (iDILI): Moving towards prediction. Acta Pharm Sin B 2021; 11:3685-3726. [PMID: 35024301 PMCID: PMC8727925 DOI: 10.1016/j.apsb.2021.11.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 11/07/2021] [Accepted: 11/10/2021] [Indexed: 02/08/2023] Open
Abstract
Idiosyncratic drug-induced liver injury (iDILI) encompasses the unexpected harms that prescription and non-prescription drugs, herbal and dietary supplements can cause to the liver. iDILI remains a major public health problem and a major cause of drug attrition. Given the lack of biomarkers for iDILI prediction, diagnosis and prognosis, searching new models to predict and study mechanisms of iDILI is necessary. One of the major limitations of iDILI preclinical assessment has been the lack of correlation between the markers of hepatotoxicity in animal toxicological studies and clinically significant iDILI. Thus, major advances in the understanding of iDILI susceptibility and pathogenesis have come from the study of well-phenotyped iDILI patients. However, there are many gaps for explaining all the complexity of iDILI susceptibility and mechanisms. Therefore, there is a need to optimize preclinical human in vitro models to reduce the risk of iDILI during drug development. Here, the current experimental models and the future directions in iDILI modelling are thoroughly discussed, focusing on the human cellular models available to study the pathophysiological mechanisms of the disease and the most used in vivo animal iDILI models. We also comment about in silico approaches and the increasing relevance of patient-derived cellular models.
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Affiliation(s)
- Antonio Segovia-Zafra
- Unidad de Gestión Clínica de Gastroenterología, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, Málaga 29071, Spain
- Centro de Investigación Biomédica en Red en el Área Temática de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid 28029, Spain
| | - Daniel E. Di Zeo-Sánchez
- Unidad de Gestión Clínica de Gastroenterología, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, Málaga 29071, Spain
| | - Carlos López-Gómez
- Unidad de Gestión Clínica de Aparato Digestivo, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario Virgen de la Victoria, Málaga 29010, Spain
| | - Zeus Pérez-Valdés
- Unidad de Gestión Clínica de Gastroenterología, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, Málaga 29071, Spain
| | - Eduardo García-Fuentes
- Unidad de Gestión Clínica de Aparato Digestivo, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Universitario Virgen de la Victoria, Málaga 29010, Spain
| | - Raúl J. Andrade
- Unidad de Gestión Clínica de Gastroenterología, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, Málaga 29071, Spain
- Centro de Investigación Biomédica en Red en el Área Temática de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid 28029, Spain
| | - M. Isabel Lucena
- Unidad de Gestión Clínica de Gastroenterología, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, Málaga 29071, Spain
- Centro de Investigación Biomédica en Red en el Área Temática de Enfermedades Hepáticas y Digestivas (CIBERehd), Madrid 28029, Spain
- Platform ISCIII de Ensayos Clínicos, UICEC-IBIMA, Málaga 29071, Spain
| | - Marina Villanueva-Paz
- Unidad de Gestión Clínica de Gastroenterología, Servicio de Farmacología Clínica, Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, Málaga 29071, Spain
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7
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Donato MT, Tolosa L. High-Content Screening for the Detection of Drug-Induced Oxidative Stress in Liver Cells. Antioxidants (Basel) 2021; 10:antiox10010106. [PMID: 33451093 PMCID: PMC7828515 DOI: 10.3390/antiox10010106] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/08/2021] [Accepted: 01/10/2021] [Indexed: 12/16/2022] Open
Abstract
Drug-induced liver injury (DILI) remains a major cause of drug development failure, post-marketing warnings and restriction of use. An improved understanding of the mechanisms underlying DILI is required for better drug design and development. Enhanced reactive oxygen species (ROS) levels may cause a wide spectrum of oxidative damage, which has been described as a major mechanism implicated in DILI. Several cell-based assays have been developed as in vitro tools for early safety risk assessments. Among them, high-content screening technology has been used for the identification of modes of action, the determination of the level of injury and the discovery of predictive biomarkers for the safety assessment of compounds. In this paper, we review the value of in vitro high-content screening studies and evaluate how to assess oxidative stress induced by drugs in hepatic cells, demonstrating the detection of pre-lethal mechanisms of DILI as a powerful tool in human toxicology.
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Affiliation(s)
- María Teresa Donato
- Unidad de Hepatología Experimental, Instituto de Investigación Sanitaria La Fe, 46026 Valencia, Spain
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad de Valencia, 46010 Valencia, Spain
- Correspondence: (M.T.D.); (L.T.); Tel.: +34-961-246-649 (M.D.); +34-961-246-619 (L.T.)
| | - Laia Tolosa
- Unidad de Hepatología Experimental, Instituto de Investigación Sanitaria La Fe, 46026 Valencia, Spain
- Correspondence: (M.T.D.); (L.T.); Tel.: +34-961-246-649 (M.D.); +34-961-246-619 (L.T.)
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8
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Parafati M, Bae SH, Kirby RJ, Fitzek M, Iyer P, Engkvist O, Smith DM, Malany S. Pluripotent Stem Cell-Derived Hepatocytes Phenotypic Screening Reveals Small Molecules Targeting the CDK2/4-C/EBPα/DGAT2 Pathway Preventing ER-Stress Induced Lipid Accumulation. Int J Mol Sci 2020; 21:ijms21249557. [PMID: 33334026 PMCID: PMC7765409 DOI: 10.3390/ijms21249557] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 11/17/2020] [Accepted: 11/26/2020] [Indexed: 02/04/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) has a large impact on global health. At the onset of disease, NAFLD is characterized by hepatic steatosis defined by the accumulation of triglycerides stored as lipid droplets. Developing therapeutics against NAFLD and progression to non-alcoholic steatohepatitis (NASH) remains a high priority in the medical and scientific community. Drug discovery programs to identify potential therapeutic compounds have supported high throughput/high-content screening of in vitro human-relevant models of NAFLD to accelerate development of efficacious anti-steatotic medicines. Human induced pluripotent stem cell (hiPSC) technology is a powerful platform for disease modeling and therapeutic assessment for cell-based therapy and personalized medicine. In this study, we applied AstraZeneca’s chemogenomic library, hiPSC technology and multiplexed high content screening to identify compounds that significantly reduced intracellular neutral lipid content. Among 13,000 compounds screened, we identified hits that protect against hiPSC-derived hepatic endoplasmic reticulum stress-induced steatosis by a mechanism of action including inhibition of the cyclin D3-cyclin-dependent kinase 2-4 (CDK2-4)/CCAAT-enhancer-binding proteins (C/EBPα)/diacylglycerol acyltransferase 2 (DGAT2) pathway, followed by alteration of the expression of downstream genes related to NAFLD. These findings demonstrate that our phenotypic platform provides a reliable approach in drug discovery, to identify novel drugs for treatment of fatty liver disease as well as to elucidate their underlying mechanisms.
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Affiliation(s)
- Maddalena Parafati
- Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL 32610, USA; (M.P.); (S.H.B.)
- Conrad Prebys Center for Chemical Genomics, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA;
| | - Sang Hyo Bae
- Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL 32610, USA; (M.P.); (S.H.B.)
| | - R. Jason Kirby
- Conrad Prebys Center for Chemical Genomics, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA;
| | - Martina Fitzek
- Hit Discovery, Discovery Sciences, R&D, AstraZeneca, Alderley Park, Macclesfield SK10 4TG, UK;
| | - Preeti Iyer
- Molecular AI, Discovery Sciences, R&D, AstraZeneca, 431 83 Mölndal, Sweden; (P.I.); (O.E.)
| | - Ola Engkvist
- Molecular AI, Discovery Sciences, R&D, AstraZeneca, 431 83 Mölndal, Sweden; (P.I.); (O.E.)
| | - David M. Smith
- Emerging Innovations Unit, Discovery Sciences, R&D, AstraZeneca, Cambridge SG8 6HB, UK;
| | - Siobhan Malany
- Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL 32610, USA; (M.P.); (S.H.B.)
- Conrad Prebys Center for Chemical Genomics, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA 92037, USA;
- Correspondence: ; Tel.: +352-273-6400
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Lee G, Kim H, Park JY, Kim G, Han J, Chung S, Yang JH, Jeon JS, Woo DH, Han C, Kim SK, Park HJ, Kim JH. Generation of uniform liver spheroids from human pluripotent stem cells for imaging-based drug toxicity analysis. Biomaterials 2020; 269:120529. [PMID: 33257114 DOI: 10.1016/j.biomaterials.2020.120529] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 11/09/2020] [Indexed: 12/11/2022]
Abstract
Recent advances in pluripotent stem cell technology provide an alternative source of human hepatocytes to overcome the limitations of current toxicity tests. However, this approach requires optimization and standardization before it can be used as a fast and reliable toxicity screening system. Here, we designed and tested microwell culture platforms with various diameters. We found that large quantities of uniformly-sized hepatocyte-like cell (HLC) spheroids (3D-uniHLC-Ss) could be efficiently and reproducibly generated in a short period time from a small number of differentiating human pluripotent stem cells (hPSCs). The hPSC-3D-uniHLC-Ss that were produced in 500-μm diameter microwells consistently exhibited high expressions of hepatic marker genes and had no significant signs of cell death. Importantly, a hepatic master gene hepatocyte nuclear factor 4α (HNF4α) was maintained at high levels, and the epithelial-mesenchymal transition was significantly attenuated in hPSC-3D-uniHLC-Ss. Additionally, when compared with 3D-HLC-Ss that were produced in other 3D platforms, hPSC-3D-uniHLC-Ss showed significantly higher hepatic gene expressions and drug-metabolizing activity of the enzyme, CYP3A4. Imaging-based drug toxicity studies demonstrated that hPSC-3D-uniHLC-Ss exhibited enhanced sensitivity to various hepatotoxicants, compared to HLCs, which were differentiated under 2D conditions. Precise prediction of drug-induced hepatotoxicity is a crucial step in the early phases of drug discovery. Thus, the hPSC-3D-uniHLC-Ss produced using our microwell platform could be used as an imaging-based toxicity screening system to predict drug hepatotoxicity.
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Affiliation(s)
- Gyunggyu Lee
- Laboratory of Stem Cells and Tissue Regeneration, Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, South Korea
| | - Hyemin Kim
- Department of Predictive Toxicology, Korea Institute of Toxicology, Daejeon, 34114, South Korea
| | - Ji Young Park
- Laboratory of Stem Cells and Tissue Regeneration, Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, South Korea
| | - Gyeongmin Kim
- Laboratory of Stem Cells and Tissue Regeneration, Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, South Korea
| | - Jiyou Han
- Department of Biological Sciences, Hyupsung University, Hwasung-si, 18330, South Korea
| | - Seok Chung
- School of Mechanical Engineering, Korea University, Seoul, 20841, South Korea; KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, 02841, South Korea
| | - Ji Hun Yang
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul, 02841, South Korea
| | - Jang Su Jeon
- Chungnam National University, Daejeon, 34134, South Korea
| | - Dong-Hun Woo
- Laboratory of Stem Cells, NEXEL Co., Ltd., Seoul, 02580, South Korea
| | - Choongseong Han
- Laboratory of Stem Cells, NEXEL Co., Ltd., Seoul, 02580, South Korea
| | - Sang Kyum Kim
- Chungnam National University, Daejeon, 34134, South Korea.
| | - Han-Jin Park
- Department of Predictive Toxicology, Korea Institute of Toxicology, Daejeon, 34114, South Korea.
| | - Jong-Hoon Kim
- Laboratory of Stem Cells and Tissue Regeneration, Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, 02841, South Korea.
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Twarog C, Liu K, O'Brien PJ, Dawson KA, Fattal E, Illel B, Brayden DJ. A head-to-head Caco-2 assay comparison of the mechanisms of action of the intestinal permeation enhancers: SNAC and sodium caprate (C 10). Eur J Pharm Biopharm 2020; 152:95-107. [PMID: 32387703 DOI: 10.1016/j.ejpb.2020.04.023] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 04/15/2020] [Accepted: 04/28/2020] [Indexed: 02/07/2023]
Abstract
Salcaprozate sodium (SNAC) and sodium caprate (C10) are the two leading intestinal permeation enhancers (PEs) in oral peptide formulations in clinical trials. There is debate over their mechanism of action on intestinal epithelia. The aims were: (i) to compare their effects on the barrier function by measuring transepithelial electrical resistance (TEER), permeability of FITC-4000 (FD4) across Caco-2 monolayers, and on immunohistochemistry of tight junction (TJ)-associated proteins; and (ii) to compare cellular parameters using conventional end-point cytotoxicity assays and quantitative high content analysis (HCA) of multiple sub-lethal parameters in Caco-2 cells. C10 (8.5 mM) reversibly reduced TEER and increased FD4 permeability across monolayers, whereas SNAC had no effects on either parameter except at cytotoxic concentrations. C10 exposure induced reorganization of three TJ proteins, whereas SNAC only affected claudin-5 localization. High concentrations of C10 and SNAC were required to cause end-point toxicology changes in vitro. SNAC was less potent than C10 at inducing lysosomal and nuclear changes and plasma membrane perturbation. In parallel, HCA revealed that both agents displayed detergent-like features that reflect initial membrane fluidization followed by changes in intracellular parameters. In conclusion, FD4 permeability increases in monolayers in response to C10 were in the range of concentrations that altered end-point cytotoxicity and HCA parameters. For SNAC, while HCA parameters were also altered in a similar overall pattern as C10, they did not lead to increased paracellular flux. These assays show that both agents are primarily surfactants, but C10 has additional TJ-opening effects. While these in vitro assays illucidate their epithelial mechanism of action, clinical experience suggests that they over-estimate their toxicology in the dynamic intestinal environment.
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Affiliation(s)
- Caroline Twarog
- UCD School of Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland; UCD Conway Institute, University College Dublin, Belfield, Dublin 4, Ireland
| | - Kai Liu
- UCD Conway Institute, University College Dublin, Belfield, Dublin 4, Ireland; UCD School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Peter J O'Brien
- UCD School of Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland
| | - Kenneth A Dawson
- UCD Conway Institute, University College Dublin, Belfield, Dublin 4, Ireland; UCD School of Chemistry, University College Dublin, Belfield, Dublin 4, Ireland
| | - Elias Fattal
- School of Pharmacy, Institut Galien, CNRS, Univ. Paris-Sud, Univ. Paris-Saclay, 92290 Châtenay-Malabry, France
| | - Brigitte Illel
- Drug Product Development, Small Molecules Oral Platform, Sanofi Research and Development, Montpellier, France
| | - David J Brayden
- UCD School of Veterinary Medicine, University College Dublin, Belfield, Dublin 4, Ireland; UCD Conway Institute, University College Dublin, Belfield, Dublin 4, Ireland.
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11
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Boon R, Kumar M, Tricot T, Elia I, Ordovas L, Jacobs F, One J, De Smedt J, Eelen G, Bird M, Roelandt P, Doglioni G, Vriens K, Rossi M, Vazquez MA, Vanwelden T, Chesnais F, El Taghdouini A, Najimi M, Sokal E, Cassiman D, Snoeys J, Monshouwer M, Hu WS, Lange C, Carmeliet P, Fendt SM, Verfaillie CM. Amino acid levels determine metabolism and CYP450 function of hepatocytes and hepatoma cell lines. Nat Commun 2020; 11:1393. [PMID: 32170132 PMCID: PMC7069944 DOI: 10.1038/s41467-020-15058-6] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 02/17/2020] [Indexed: 12/27/2022] Open
Abstract
Predicting drug-induced liver injury in a preclinical setting remains challenging, as cultured primary human hepatocytes (PHHs), pluripotent stem cell-derived hepatocyte-like cells (HLCs), and hepatoma cells exhibit poor drug biotransformation capacity. We here demonstrate that hepatic functionality depends more on cellular metabolism and extracellular nutrients than on developmental regulators. Specifically, we demonstrate that increasing extracellular amino acids beyond the nutritional need of HLCs and HepG2 cells induces glucose independence, mitochondrial function, and the acquisition of a transcriptional profile that is closer to PHHs. Moreover, we show that these high levels of amino acids are sufficient to drive HLC and HepG2 drug biotransformation and liver-toxin sensitivity to levels similar to those in PHHs. In conclusion, we provide data indicating that extracellular nutrient levels represent a major determinant of cellular maturity and can be utilized to guide stem cell differentiation to the hepatic lineage.
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Affiliation(s)
- Ruben Boon
- Department of Development and Regeneration, Stem Cell Institute, KU Leuven, Leuven, Belgium.
| | - Manoj Kumar
- Department of Development and Regeneration, Stem Cell Institute, KU Leuven, Leuven, Belgium
| | - Tine Tricot
- Department of Development and Regeneration, Stem Cell Institute, KU Leuven, Leuven, Belgium
| | - Ilaria Elia
- Laboratory of Cellular Metabolism and Metabolic Regulation, VIB Center for Cancer Biology, VIB, Leuven, Belgium
- Laboratory of Cellular Metabolism and Metabolic Regulation, Department of Oncology, KU Leuven and Leuven Cancer Institute (LKI), Leuven, Belgium
| | - Laura Ordovas
- Department of Development and Regeneration, Stem Cell Institute, KU Leuven, Leuven, Belgium
- Biomedical Signal Interpretation and Computational Simulation (BSICoS) Group, Aragón Institute of Engineering Research, IIS Aragón University of Zaragoza, Aragon I + D Foundation (ARAID), Zaragoza, Spain
| | - Frank Jacobs
- Janssen Research and Development, Beerse, Belgium
| | - Jennifer One
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN, USA
- Stem Cell Institute, University of Minnesota, Minneapolis, MN, USA
| | - Jonathan De Smedt
- Department of Development and Regeneration, Stem Cell Institute, KU Leuven, Leuven, Belgium
| | - Guy Eelen
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium
- Laboratory of Angiogenesis and Vascular Metabolism, Center of Cancer Biology, VIB, Leuven, Belgium
| | - Matthew Bird
- Hepatology, Department of Clinical and Experimental Medicine, KU Leuven, Leuven, Belgium
| | - Philip Roelandt
- Department of Development and Regeneration, Stem Cell Institute, KU Leuven, Leuven, Belgium
- Hepatology, Department of Clinical and Experimental Medicine, KU Leuven, Leuven, Belgium
- Translational Research in GastroIntestinal Disorders (TARGID), Department of Chronic Diseases, Metabolism and Ageing (CHROMETA), KU Leuven, Leuven, Belgium
- Department of Gastroenterology and Hepatology, UZ Leuven, Leuven, Belgium
| | - Ginevra Doglioni
- Laboratory of Cellular Metabolism and Metabolic Regulation, VIB Center for Cancer Biology, VIB, Leuven, Belgium
- Laboratory of Cellular Metabolism and Metabolic Regulation, Department of Oncology, KU Leuven and Leuven Cancer Institute (LKI), Leuven, Belgium
| | - Kim Vriens
- Laboratory of Cellular Metabolism and Metabolic Regulation, VIB Center for Cancer Biology, VIB, Leuven, Belgium
- Laboratory of Cellular Metabolism and Metabolic Regulation, Department of Oncology, KU Leuven and Leuven Cancer Institute (LKI), Leuven, Belgium
| | - Matteo Rossi
- Laboratory of Cellular Metabolism and Metabolic Regulation, VIB Center for Cancer Biology, VIB, Leuven, Belgium
- Laboratory of Cellular Metabolism and Metabolic Regulation, Department of Oncology, KU Leuven and Leuven Cancer Institute (LKI), Leuven, Belgium
| | - Marta Aguirre Vazquez
- Department of Development and Regeneration, Stem Cell Institute, KU Leuven, Leuven, Belgium
| | - Thomas Vanwelden
- Department of Development and Regeneration, Stem Cell Institute, KU Leuven, Leuven, Belgium
| | - François Chesnais
- Department of Development and Regeneration, Stem Cell Institute, KU Leuven, Leuven, Belgium
| | - Adil El Taghdouini
- Laboratory of Pediatric Hepatology and Cell Therapy, Universit Catholique de Louvain & Cliniques Universitaires St Luc, Institut de Recherche Clinique et Expérimentale (IREC), Brussels, Belgium
| | - Mustapha Najimi
- Laboratory of Pediatric Hepatology and Cell Therapy, Universit Catholique de Louvain & Cliniques Universitaires St Luc, Institut de Recherche Clinique et Expérimentale (IREC), Brussels, Belgium
| | - Etienne Sokal
- Laboratory of Pediatric Hepatology and Cell Therapy, Universit Catholique de Louvain & Cliniques Universitaires St Luc, Institut de Recherche Clinique et Expérimentale (IREC), Brussels, Belgium
| | - David Cassiman
- Hepatology, Department of Clinical and Experimental Medicine, KU Leuven, Leuven, Belgium
| | - Jan Snoeys
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN, USA
- Stem Cell Institute, University of Minnesota, Minneapolis, MN, USA
| | - Mario Monshouwer
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN, USA
- Stem Cell Institute, University of Minnesota, Minneapolis, MN, USA
| | - Wei-Shou Hu
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN, USA
- Stem Cell Institute, University of Minnesota, Minneapolis, MN, USA
| | - Christian Lange
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium
- Laboratory of Angiogenesis and Vascular Metabolism, Center of Cancer Biology, VIB, Leuven, Belgium
| | - Peter Carmeliet
- Laboratory of Angiogenesis and Vascular Metabolism, Department of Oncology, KU Leuven, Leuven, Belgium
- Laboratory of Angiogenesis and Vascular Metabolism, Center of Cancer Biology, VIB, Leuven, Belgium
| | - Sarah-Maria Fendt
- Laboratory of Cellular Metabolism and Metabolic Regulation, VIB Center for Cancer Biology, VIB, Leuven, Belgium
- Laboratory of Cellular Metabolism and Metabolic Regulation, Department of Oncology, KU Leuven and Leuven Cancer Institute (LKI), Leuven, Belgium
| | - Catherine M Verfaillie
- Department of Development and Regeneration, Stem Cell Institute, KU Leuven, Leuven, Belgium.
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12
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Jimenez-Carretero D, Abrishami V, Fernández-de-Manuel L, Palacios I, Quílez-Álvarez A, Díez-Sánchez A, del Pozo MA, Montoya MC. Tox_(R)CNN: Deep learning-based nuclei profiling tool for drug toxicity screening. PLoS Comput Biol 2018; 14:e1006238. [PMID: 30500821 PMCID: PMC6291153 DOI: 10.1371/journal.pcbi.1006238] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 12/12/2018] [Accepted: 10/04/2018] [Indexed: 11/18/2022] Open
Abstract
Toxicity is an important factor in failed drug development, and its efficient identification and prediction is a major challenge in drug discovery. We have explored the potential of microscopy images of fluorescently labeled nuclei for the prediction of toxicity based on nucleus pattern recognition. Deep learning algorithms obtain abstract representations of images through an automated process, allowing them to efficiently classify complex patterns, and have become the state-of-the art in machine learning for computer vision. Here, deep convolutional neural networks (CNN) were trained to predict toxicity from images of DAPI-stained cells pre-treated with a set of drugs with differing toxicity mechanisms. Different cropping strategies were used for training CNN models, the nuclei-cropping-based Tox_CNN model outperformed other models classifying cells according to health status. Tox_CNN allowed automated extraction of feature maps that clustered compounds according to mechanism of action. Moreover, fully automated region-based CNNs (RCNN) were implemented to detect and classify nuclei, providing per-cell toxicity prediction from raw screening images. We validated both Tox_(R)CNN models for detection of pre-lethal toxicity from nuclei images, which proved to be more sensitive and have broader specificity than established toxicity readouts. These models predicted toxicity of drugs with mechanisms of action other than those they had been trained for and were successfully transferred to other cell assays. The Tox_(R)CNN models thus provide robust, sensitive, and cost-effective tools for in vitro screening of drug-induced toxicity. These models can be adopted for compound prioritization in drug screening campaigns, and could thereby increase the efficiency of drug discovery.
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Affiliation(s)
- Daniel Jimenez-Carretero
- Cellomics Unit, Cell & Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Vahid Abrishami
- Cellomics Unit, Cell & Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Laura Fernández-de-Manuel
- Cellomics Unit, Cell & Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Irene Palacios
- Cellomics Unit, Cell & Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Antonio Quílez-Álvarez
- Cellomics Unit, Cell & Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Alberto Díez-Sánchez
- Mechanoadaptation and Caveolae biology, Cell & Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Miguel A. del Pozo
- Mechanoadaptation and Caveolae biology, Cell & Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - María C. Montoya
- Cellomics Unit, Cell & Developmental Biology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
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13
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Vilas-Boas V, Cooreman A, Gijbels E, Van Campenhout R, Gustafson E, Ballet S, Annaert P, Cogliati B, Vinken M. Primary hepatocytes and their cultures for the testing of drug-induced liver injury. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2018; 85:1-30. [PMID: 31307583 DOI: 10.1016/bs.apha.2018.08.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Drug-induced liver injury is a major reason for discontinuation of drug development and withdrawal of drugs from the market. Intensive efforts in the last decades have focused on the establishment and finetuning of liver-based in vitro models for reliable prediction of hepatotoxicity triggered by drug candidates. Of those, primary hepatocytes and their cultures still are considered the gold standard, as they provide an acceptable reflection of the hepatic in vivo situation. Nevertheless, these in vitro systems cope with gradual deterioration of the differentiated morphological and functional phenotype. The present paper gives an overview of traditional and more recently introduced strategies to counteract this dedifferentiation process in an attempt to set up culture models that can be used for long-term testing purposes. The relevance and applicability of such optimized cultures of primary hepatocytes for the testing of drug-induced cholestatic liver injury is demonstrated.
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Affiliation(s)
- Vânia Vilas-Boas
- Department of In Vitro Toxicology and Dermato-Cosmetology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Axelle Cooreman
- Department of In Vitro Toxicology and Dermato-Cosmetology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Eva Gijbels
- Department of In Vitro Toxicology and Dermato-Cosmetology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Raf Van Campenhout
- Department of In Vitro Toxicology and Dermato-Cosmetology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Emma Gustafson
- Department of In Vitro Toxicology and Dermato-Cosmetology, Vrije Universiteit Brussel, Brussels, Belgium
| | - Steven Ballet
- Research Group of Organic Chemistry, Departments of Chemistry and Bioengineering Sciences, Vrije Universiteit Brussel, Brussels, Belgium
| | - Pieter Annaert
- Drug Delivery and Disposition, KU Leuven Department of Pharmaceutical and Pharmacological Sciences, Leuven, Belgium
| | - Bruno Cogliati
- Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Mathieu Vinken
- Department of In Vitro Toxicology and Dermato-Cosmetology, Vrije Universiteit Brussel, Brussels, Belgium.
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14
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Meseguer-Ripolles J, Lucendo-Villarin B, Wang Y, Hay DC. Semi-automated Production of Hepatocyte Like Cells from Pluripotent Stem Cells. J Vis Exp 2018:57995. [PMID: 30102283 PMCID: PMC6126566 DOI: 10.3791/57995] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Human pluripotent stem cells represent a renewable source of human tissue. Our research is focused on generating human liver tissue from human embryonic stem cells (hESCs) and induced pluripotent stem cells (iPSCs). Current differentiation procedures generate human hepatocyte-like cells (HLCs) displaying a mixture of fetal and adult traits. To improve cell phenotype, we have fully defined our differentiation procedure and the cell niche, resulting in the generation of cell populations which display improved gene expression and function. While these studies mark progress, the ability to generate large quantities of multi well plates for screening has been limited by labour intensive procedures and batch to batch variation. To tackle this issue, we have developed a semi-automated platform to differentiate pluripotent stem cells into HLCs. Stem cell seeding and differentiation were performed using liquid handling and automatic pipetting systems in 96-well plate format. Following the differentiation, cell phenotype was analyzed using automated microscopy and a multi well luminometer.
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Affiliation(s)
| | | | - Yu Wang
- MRC Centre for Regenerative Medicine, University of Edinburgh
| | - David C Hay
- MRC Centre for Regenerative Medicine, University of Edinburgh;
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15
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Zhang X, Yang L, Liu Y, Song Z, Zhao J, Chen D, Yu H, Li R, Wang Y, Yang K, Chen Y, Xia M, Zhang LW. Detection of nanocarrier potentiation on drug induced phospholipidosis in cultured cells and primary hepatocyte spheroids by high content imaging and analysis. Toxicol Appl Pharmacol 2018; 348:54-66. [PMID: 29678448 PMCID: PMC6716368 DOI: 10.1016/j.taap.2018.04.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Revised: 04/04/2018] [Accepted: 04/13/2018] [Indexed: 12/16/2022]
Abstract
Considerable effort has been made to develop nanocarriers for controlled drug delivery over the last decade, while it remains unclear how the strength of adverse drug effect will be altered when a drug is loaded on the nanocarrier. Drug-induced phospholipidosis (DIP) is characterized with excessive accumulation of phospholipids in cells and is common for cationic amphiphilic drugs (CAD). Previously, we have reported that PEGylated graphene oxide (PEG-GO) loaded with several CAD can potentiate DIP. In current study, we extended our study on newly identified phospholipidosis (PLD) inducers that had been identified from the Library of Pharmacologically Active Compounds (LOPAC), to investigate if PEO-GO loaded with these CAD can alter DIP. Twenty-two CAD were respectively loaded on PEG-GO and incubated with RAW264.7, a macrophage cell line. The results showed that when a CAD was loaded on PEG-GO, its strength of PLD induction can be enhanced, unchanged or attenuated. PEG-GO loaded with Ifenprodil exhibited the highest PEG-GO potentiation effect compared to Ifenprodil treatment alone in RAW264.7 cells, and this effect was confirmed in human hepatocellular carcinoma HepG2, another cell line model for PLD induction. Primary hepatocyte culture and spheroids mimicking in vivo conditions were used to further validate nanocarrier potentiation on DIP by Ifenprodil. Stronger phospholipid accumulation was found in PEG-GO/Ifenprodil treated hepatocytes or spheroids than Ifenprodil treatment alone. Therefore, evidences were provided by us that nanocarriers may increase the adverse drug effects and guidance by regulatory agencies need to be drafted for the safe use of nanotechnology in drug delivery.
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Affiliation(s)
- Xihui Zhang
- School for Radiological and Interdisciplinary Sciences (RAD-X), State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China; School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215123, China
| | - Liecheng Yang
- School for Radiological and Interdisciplinary Sciences (RAD-X), State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China; School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215123, China
| | - Yongming Liu
- School for Radiological and Interdisciplinary Sciences (RAD-X), State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China; School of Biology and Basic Medical Sciences, Soochow University, Suzhou 215123, China
| | - Zhentao Song
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jian Zhao
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Dandan Chen
- School for Radiological and Interdisciplinary Sciences (RAD-X), State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Huan Yu
- School for Radiological and Interdisciplinary Sciences (RAD-X), State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Ruibin Li
- School for Radiological and Interdisciplinary Sciences (RAD-X), State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Yangyun Wang
- School for Radiological and Interdisciplinary Sciences (RAD-X), State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Kai Yang
- School for Radiological and Interdisciplinary Sciences (RAD-X), State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China
| | - Yu Chen
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Menghang Xia
- National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
| | - Leshuai W Zhang
- School for Radiological and Interdisciplinary Sciences (RAD-X), State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China.
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16
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Roth AD, Lama P, Dunn S, Hong S, Lee MY. Polymer coating on a micropillar chip for robust attachment of PuraMatrix peptide hydrogel for 3D hepatic cell culture. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 90:634-644. [PMID: 29853133 DOI: 10.1016/j.msec.2018.04.092] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 12/11/2017] [Accepted: 04/27/2018] [Indexed: 12/12/2022]
Abstract
For better mimicking tissues in vivo and developing predictive cell models for high-throughput screening (HTS) of potential drug candidates, three-dimensional (3D) cell cultures have been performed in various hydrogels. In this study, we have investigated several polymer coating materials to robustly attach PuraMatrix peptide hydrogel on a micropillar chip for 3D culture of Hep3B human hepatic cells, which can be used as a tool for high-throughput assessment of compound hepatotoxicity. Among several amphiphilic polymers with maleic anhydride groups tested, 0.01% (w/v) poly(maleic anhydride-alt-1-octadecene) (PMA-OD) provided superior coating properties with no PuraMatrix spot detachment from the micropillar chip and no air bubble entrapment in a complementary microwell chip. To maintain Hep3B cell viability in PuraMatrix gel on the chip, gelation conditions were optimized in the presence of additional salts, at different seeding densities, and for growth medium washes. As a result, salts in growth media were sufficient for gelation, and relatively high cell seeding at 6 million cells/mL and two media washes for pH neutralization were required. With optimized 3D cell culture conditions, controlled gene expression and compound toxicity assessment were successfully demonstrated by using recombinant adenoviruses carrying genes for green and red fluorescent proteins as well as six model compounds. Overall, PuraMatrix hydrogel on the chip was suitable for 3D cell encapsulation, gene expression, and rapid toxicity assessment.
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Affiliation(s)
- Alexander David Roth
- Department of Chemical and Biomedical Engineering, Cleveland State University, Fenn Hall Room 455, 1960 East 24th Street, Cleveland, OH 44115, United States
| | - Pratap Lama
- Department of Chemical and Biomedical Engineering, Cleveland State University, Fenn Hall Room 455, 1960 East 24th Street, Cleveland, OH 44115, United States
| | - Stephen Dunn
- Department of Chemical and Biomedical Engineering, Cleveland State University, Fenn Hall Room 455, 1960 East 24th Street, Cleveland, OH 44115, United States
| | - Stephen Hong
- Department of Chemical and Biomedical Engineering, Cleveland State University, Fenn Hall Room 455, 1960 East 24th Street, Cleveland, OH 44115, United States
| | - Moo-Yeal Lee
- Department of Chemical and Biomedical Engineering, Cleveland State University, Fenn Hall Room 455, 1960 East 24th Street, Cleveland, OH 44115, United States.
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17
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Induced Pluripotent Stem Cell-Derived Hepatocytes and Precision Medicine in Human Liver Disease. J Pediatr Gastroenterol Nutr 2018; 66:716-719. [PMID: 29509632 DOI: 10.1097/mpg.0000000000001948] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Liver-like human cells can be generated from human skin by converting fibroblasts to "induced pluripotent stem cells" (iPSCs), then differentiating the iPSCs into "induced hepatocytes". Although still primarily used as a research tool, emerging applications involving iPSC-derived induced hepatocytes have exciting and provocative clinical and translational potential. This review provides a brief summary of the current status of this field and obstacles that must be overcome before this novel tool will enable precision medicine-based approaches to human liver disease.
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18
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Vinken M. In vitro prediction of drug-induced cholestatic liver injury: a challenge for the toxicologist. Arch Toxicol 2018; 92:1909-1912. [PMID: 29574564 PMCID: PMC6084771 DOI: 10.1007/s00204-018-2201-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 03/22/2018] [Indexed: 02/07/2023]
Affiliation(s)
- Mathieu Vinken
- Department of In Vitro Toxicology and Dermato-Cosmetology, Vrije Universiteit Brussel, Laarbeeklaan 103, 1090, Brussels, Belgium.
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19
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Meseguer-Ripolles J, Khetani SR, Blanco JG, Iredale M, Hay DC. Pluripotent Stem Cell-Derived Human Tissue: Platforms to Evaluate Drug Metabolism and Safety. AAPS J 2017; 20:20. [PMID: 29270863 PMCID: PMC5804345 DOI: 10.1208/s12248-017-0171-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Accepted: 11/16/2017] [Indexed: 12/15/2022] Open
Abstract
Despite the improvements in drug screening, high levels of drug attrition persist. Although high-throughput screening platforms permit the testing of compound libraries, poor compound efficacy or unexpected organ toxicity are major causes of attrition. Part of the reason for drug failure resides in the models employed, most of which are not representative of normal organ biology. This same problem affects all the major organs during drug development. Hepatotoxicity and cardiotoxicity are two interesting examples of organ disease and can present in the late stages of drug development, resulting in major cost and increased risk to the patient. Currently, cell-based systems used within industry rely on immortalized or primary cell lines from donated tissue. These models possess significant advantages and disadvantages, but in general display limited relevance to the organ of interest. Recently, stem cell technology has shown promise in drug development and has been proposed as an alternative to current industrial systems. These offerings will provide the field with exciting new models to study human organ biology at scale and in detail. We believe that the recent advances in production of stem cell-derived hepatocytes and cardiomyocytes combined with cutting-edge engineering technologies make them an attractive alternative to current screening models for drug discovery. This will lead to fast failing of poor drugs earlier in the process, delivering safer and more efficacious medicines for the patient.
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Affiliation(s)
| | - Salman R Khetani
- University of Illinois at Chicago, Bioengineering (MC 063) 851 S Morgan St, 218 SEO, Chicago, Illinois, 60607, USA
| | - Javier G Blanco
- School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, The State University of New York, Buffalo, New York, USA
| | - Mairi Iredale
- MRC Centre for Regenerative Medicine, 5 Little France Drive, Edinburgh, EH16 4UU, UK
| | - David C Hay
- MRC Centre for Regenerative Medicine, 5 Little France Drive, Edinburgh, EH16 4UU, UK.
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20
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O’Brien PJ, Edvardsson A. Validation of a Multiparametric, High-Content-Screening Assay for Predictive/Investigative Cytotoxicity: Evidence from Technology Transfer Studies and Literature Review. Chem Res Toxicol 2017; 30:804-829. [PMID: 28147486 DOI: 10.1021/acs.chemrestox.6b00403] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Peter James O’Brien
- School
of Veterinary Medicine, University College Dublin, Stillorgan Road, Belfield, Dublin 4, Ireland
- Advanced Diagnostic Laboratory, Park West Enterprise Centre, Lavery Avenue, Park West, Dublin 12, Ireland
| | - Anna Edvardsson
- School
of Veterinary Medicine, University College Dublin, Stillorgan Road, Belfield, Dublin 4, Ireland
- Advanced Diagnostic Laboratory, Park West Enterprise Centre, Lavery Avenue, Park West, Dublin 12, Ireland
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21
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Bell CC, Lauschke VM, Vorrink SU, Palmgren H, Duffin R, Andersson TB, Ingelman-Sundberg M. Transcriptional, Functional, and Mechanistic Comparisons of Stem Cell-Derived Hepatocytes, HepaRG Cells, and Three-Dimensional Human Hepatocyte Spheroids as Predictive In Vitro Systems for Drug-Induced Liver Injury. Drug Metab Dispos 2017; 45:419-429. [PMID: 28137721 PMCID: PMC5363699 DOI: 10.1124/dmd.116.074369] [Citation(s) in RCA: 117] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Accepted: 01/25/2017] [Indexed: 12/15/2022] Open
Abstract
Reliable and versatile hepatic in vitro systems for the prediction of drug pharmacokinetics and toxicity are essential constituents of preclinical safety assessment pipelines for new medicines. Here, we compared three emerging cell systems—hepatocytes derived from induced pluripotent stem cells, HepaRG cells, and three-dimensional primary human hepatocyte (PHH) spheroids—at transcriptional and functional levels in a multicenter study to evaluate their potential as predictive models for drug-induced hepatotoxicity. Transcriptomic analyses revealed widespread gene expression differences between the three cell models, with 8148 of 17,462 analyzed genes (47%) being differentially expressed. Expression levels of genes involved in the metabolism of endogenous as well as xenobiotic compounds were significantly elevated in PHH spheroids, whereas genes involved in cell division and endocytosis were significantly upregulated in HepaRG cells and hepatocytes derived from induced pluripotent stem cells, respectively. Consequently, PHH spheroids were more sensitive to a panel of drugs with distinctly different toxicity mechanisms, an effect that was amplified by long-term exposure using repeated treatments. Importantly, toxicogenomic analyses revealed that transcriptomic changes in PHH spheroids were in compliance with cholestatic, carcinogenic, or steatogenic in vivo toxicity mechanisms at clinically relevant drug concentrations. Combined, the data reveal important phenotypic differences between the three cell systems and suggest that PHH spheroids can be used for functional investigations of drug-induced liver injury in vivo in humans.
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Affiliation(s)
- Catherine C Bell
- Section of Pharmacogenetics, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (C.C.B., V.M.L., S.U.V., T.B.A., M.I.-S.); Cardiovascular and Metabolic Diseases, Innovative Medicines and Early Development Biotech Unit, AstraZeneca, Mölndal, Sweden (H.P., T.B.A.); and CXR Biosciences Ltd., Dundee, United Kingdom (R.D.)
| | - Volker M Lauschke
- Section of Pharmacogenetics, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (C.C.B., V.M.L., S.U.V., T.B.A., M.I.-S.); Cardiovascular and Metabolic Diseases, Innovative Medicines and Early Development Biotech Unit, AstraZeneca, Mölndal, Sweden (H.P., T.B.A.); and CXR Biosciences Ltd., Dundee, United Kingdom (R.D.)
| | - Sabine U Vorrink
- Section of Pharmacogenetics, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (C.C.B., V.M.L., S.U.V., T.B.A., M.I.-S.); Cardiovascular and Metabolic Diseases, Innovative Medicines and Early Development Biotech Unit, AstraZeneca, Mölndal, Sweden (H.P., T.B.A.); and CXR Biosciences Ltd., Dundee, United Kingdom (R.D.)
| | - Henrik Palmgren
- Section of Pharmacogenetics, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (C.C.B., V.M.L., S.U.V., T.B.A., M.I.-S.); Cardiovascular and Metabolic Diseases, Innovative Medicines and Early Development Biotech Unit, AstraZeneca, Mölndal, Sweden (H.P., T.B.A.); and CXR Biosciences Ltd., Dundee, United Kingdom (R.D.)
| | - Rodger Duffin
- Section of Pharmacogenetics, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (C.C.B., V.M.L., S.U.V., T.B.A., M.I.-S.); Cardiovascular and Metabolic Diseases, Innovative Medicines and Early Development Biotech Unit, AstraZeneca, Mölndal, Sweden (H.P., T.B.A.); and CXR Biosciences Ltd., Dundee, United Kingdom (R.D.)
| | - Tommy B Andersson
- Section of Pharmacogenetics, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (C.C.B., V.M.L., S.U.V., T.B.A., M.I.-S.); Cardiovascular and Metabolic Diseases, Innovative Medicines and Early Development Biotech Unit, AstraZeneca, Mölndal, Sweden (H.P., T.B.A.); and CXR Biosciences Ltd., Dundee, United Kingdom (R.D.)
| | - Magnus Ingelman-Sundberg
- Section of Pharmacogenetics, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden (C.C.B., V.M.L., S.U.V., T.B.A., M.I.-S.); Cardiovascular and Metabolic Diseases, Innovative Medicines and Early Development Biotech Unit, AstraZeneca, Mölndal, Sweden (H.P., T.B.A.); and CXR Biosciences Ltd., Dundee, United Kingdom (R.D.)
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22
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Yao X, Yin N, Faiola F. Stem cell toxicology: a powerful tool to assess pollution effects on human health. Natl Sci Rev 2016. [DOI: 10.1093/nsr/nww089] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
AbstractEnvironmental pollution is a global problem; the lack of comprehensive toxicological assessments may lead to increased health risks. To fully understand the health effects of pollution, it is paramount to implement fast, efficient and specific toxicity screening that relies on human models rather than on time-consuming, expensive and often inaccurate tests involving live animals. Human stem cell toxicology represents a valid alternative to traditional toxicity assays because it takes advantage of the ability of stem cells to differentiate into multiple cell types and tissues of the human body. Thus, this branch of toxicology provides a possibility to assess cellular, embryonic, developmental, reproductive and functional toxicity in vitro within a single system highly relevant to human physiology. In this review, we describe the development, performance and future perspectives of stem cell toxicology, with an emphasis on how it can meet the increasing challenges posed by environmental pollution in the modern world.
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Affiliation(s)
- Xinglei Yao
- Stake Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Nuoya Yin
- Stake Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Francesco Faiola
- Stake Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
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23
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Persson M, Hornberg JJ. Advances in Predictive Toxicology for Discovery Safety through High Content Screening. Chem Res Toxicol 2016; 29:1998-2007. [DOI: 10.1021/acs.chemrestox.6b00248] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Mikael Persson
- Drug Safety and Metabolism, Innovative Medicines and Early Development, AstraZeneca R&D Gothenburg, Pepparedsleden 1, 431 83 Mölndal, Sweden
| | - Jorrit J. Hornberg
- Drug Safety and Metabolism, Innovative Medicines and Early Development, AstraZeneca R&D Gothenburg, Pepparedsleden 1, 431 83 Mölndal, Sweden
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24
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Advances in Engineered Liver Models for Investigating Drug-Induced Liver Injury. BIOMED RESEARCH INTERNATIONAL 2016; 2016:1829148. [PMID: 27725933 PMCID: PMC5048025 DOI: 10.1155/2016/1829148] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Accepted: 07/19/2016] [Indexed: 12/17/2022]
Abstract
Drug-induced liver injury (DILI) is a major cause of drug attrition. Testing drugs on human liver models is essential to mitigate the risk of clinical DILI since animal studies do not always suffice due to species-specific differences in liver pathways. While primary human hepatocytes (PHHs) can be cultured on extracellular matrix proteins, a rapid decline in functions leads to low sensitivity (<50%) in DILI prediction. Semiconductor-driven engineering tools now allow precise control over the hepatocyte microenvironment to enhance and stabilize phenotypic functions. The latest platforms coculture PHHs with stromal cells to achieve hepatic stability and enable crosstalk between the various liver cell types towards capturing complex cellular mechanisms in DILI. The recent introduction of induced pluripotent stem cell-derived human hepatocyte-like cells can potentially allow a better understanding of interindividual differences in idiosyncratic DILI. Liver models are also being coupled to other tissue models via microfluidic perfusion to study the intertissue crosstalk upon drug exposure as in a live organism. Here, we review the major advances being made in the engineering of liver models and readouts as they pertain to DILI investigations. We anticipate that engineered human liver models will reduce drug attrition, animal usage, and cases of DILI in humans.
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25
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Sison-Young RL, Lauschke VM, Johann E, Alexandre E, Antherieu S, Aerts H, Gerets HHJ, Labbe G, Hoët D, Dorau M, Schofield CA, Lovatt CA, Holder JC, Stahl SH, Richert L, Kitteringham NR, Jones RP, Elmasry M, Weaver RJ, Hewitt PG, Ingelman-Sundberg M, Goldring CE, Park BK. A multicenter assessment of single-cell models aligned to standard measures of cell health for prediction of acute hepatotoxicity. Arch Toxicol 2016; 91:1385-1400. [PMID: 27344343 PMCID: PMC5316403 DOI: 10.1007/s00204-016-1745-4] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2015] [Accepted: 04/27/2016] [Indexed: 11/28/2022]
Abstract
Assessing the potential of a new drug to cause drug-induced liver injury (DILI) is a challenge for the pharmaceutical industry. We therefore determined whether cell models currently used in safety assessment (HepG2, HepaRG, Upcyte and primary human hepatocytes in conjunction with basic but commonly used endpoints) are actually able to distinguish between novel chemical entities (NCEs) with respect to their potential to cause DILI. A panel of thirteen compounds (nine DILI implicated and four non-DILI implicated in man) were selected for our study, which was conducted, for the first time, across multiple laboratories. None of the cell models could distinguish faithfully between DILI and non-DILI compounds. Only when nominal in vitro concentrations were adjusted for in vivo exposure levels were primary human hepatocytes (PHH) found to be the most accurate cell model, closely followed by HepG2. From a practical perspective, this study revealed significant inter-laboratory variation in the response of PHH, HepG2 and Upcyte cells, but not HepaRG cells. This variation was also observed to be compound dependent. Interestingly, differences between donors (hepatocytes), clones (HepG2) and the effect of cryopreservation (HepaRG and hepatocytes) were less important than differences between the cell models per se. In summary, these results demonstrate that basic cell health endpoints will not predict hepatotoxic risk in simple hepatic cells in the absence of pharmacokinetic data and that a multicenter assessment of more sophisticated signals of molecular initiating events is required to determine whether these cells can be incorporated in early safety assessment.
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Affiliation(s)
- Rowena L Sison-Young
- MRC Centre for Drug Safety Science, Department of Molecular and Clinical Pharmacology, University of Liverpool, Sherrington Building, Ashton Street, Liverpool, L69 3GE, UK
| | - Volker M Lauschke
- Department of Physiology and Pharmacology, Section of Pharmacogenetics, Karolinska Institutet, SE-171 77, Stockholm, Sweden
| | - Esther Johann
- Early Non-Clinical Safety, Merck KGaA, Frankfurter Str. 250, 64293, Darmstadt, Germany
| | | | | | - Hélène Aerts
- Biologie Servier, 905 Rue de Saran, 45520, Gidy, France
| | - Helga H J Gerets
- UCB BioPharma SPRL, Non-Clinical Development, Chemin du Foriest, 1420, Braine-l'Alleud, Belgium
| | - Gilles Labbe
- Sanofi-Aventis Recherche and Développement, Drug Safety Evaluation, Alfortville, France
| | - Delphine Hoët
- Sanofi-Aventis Recherche and Développement, Drug Safety Evaluation, Alfortville, France
| | - Martina Dorau
- Sanofi-Aventis Deutschland GmbH, R&D DSAR, Preclinical Safety FF, Industriepark Hoechst, Building H823, Room 104, 65926, Frankfurt am Main, Germany
| | | | - Cerys A Lovatt
- GSK, David Jack Centre for R&D, Park Road, Ware, Hertfordshire, SG12 0DP, UK
| | - Julie C Holder
- GSK, David Jack Centre for R&D, Park Road, Ware, Hertfordshire, SG12 0DP, UK
| | - Simone H Stahl
- AstraZeneca, Innovative Medicines and Early Development, Drug Safety and Metabolism, ADME Transporters, Unit 310 - Darwin Building, Cambridge Science Park, Milton Road, Cambridge, CB4 0FZ, UK
| | - Lysiane Richert
- KaLy-Cell, 20A rue du Général Leclerc, 67115, Plobsheim, France.,Université de Franche-Comté, EA 4267, 25030, Besançon, France
| | - Neil R Kitteringham
- MRC Centre for Drug Safety Science, Department of Molecular and Clinical Pharmacology, University of Liverpool, Sherrington Building, Ashton Street, Liverpool, L69 3GE, UK
| | - Robert P Jones
- MRC Centre for Drug Safety Science, Department of Molecular and Clinical Pharmacology, University of Liverpool, Sherrington Building, Ashton Street, Liverpool, L69 3GE, UK.,North Western Hepatobiliary Unit, Aintree University Hospital NHS Foundation Trust, Longmoor Lane, Liverpool, L9 7AL, UK
| | - Mohamed Elmasry
- MRC Centre for Drug Safety Science, Department of Molecular and Clinical Pharmacology, University of Liverpool, Sherrington Building, Ashton Street, Liverpool, L69 3GE, UK.,North Western Hepatobiliary Unit, Aintree University Hospital NHS Foundation Trust, Longmoor Lane, Liverpool, L9 7AL, UK
| | | | - Philip G Hewitt
- Early Non-Clinical Safety, Merck KGaA, Frankfurter Str. 250, 64293, Darmstadt, Germany
| | - Magnus Ingelman-Sundberg
- Department of Physiology and Pharmacology, Section of Pharmacogenetics, Karolinska Institutet, SE-171 77, Stockholm, Sweden
| | - Chris E Goldring
- MRC Centre for Drug Safety Science, Department of Molecular and Clinical Pharmacology, University of Liverpool, Sherrington Building, Ashton Street, Liverpool, L69 3GE, UK.
| | - B Kevin Park
- MRC Centre for Drug Safety Science, Department of Molecular and Clinical Pharmacology, University of Liverpool, Sherrington Building, Ashton Street, Liverpool, L69 3GE, UK
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