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Panchuk I, Smirnikhina S. Toolbox for creating three-dimensional liver models. Biochem Biophys Res Commun 2024; 731:150375. [PMID: 39018971 DOI: 10.1016/j.bbrc.2024.150375] [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: 04/19/2024] [Revised: 06/15/2024] [Accepted: 07/08/2024] [Indexed: 07/19/2024]
Abstract
Research within the hepato-biliary system and hepatic function is currently experiencing heightened interest, this is due to the high frequency of relapse rates observed in chronic conditions, as well as the imperative for the development of innovative therapeutic strategies to address both inherited and acquired diseases within this domain. The most commonly used sources for studying hepatocytes include primary human hepatocytes, human hepatic cancer cell lines, and hepatic-like cells derived from induced pluripotent stem cells. However, a significant challenge in primary hepatic cell culture is the rapid decline in their phenotypic characteristics, dedifferentiation and short cultivation time. This limitation creates various problems, including the inability to maintain long-term cell cultures, which can lead to failed experiments in drug development and the creation of relevant disease models for researchers' purposes. To address these issues, the creation of a powerful 3D cell model could play a pivotal role as a personalized disease model and help reduce the use of animal models during certain stages of research. Such a cell model could be used for disease modelling, genome editing, and drug discovery purposes. This review provides an overview of the main methods of 3D-culturing liver cells, including a discussion of their characteristics, advantages, and disadvantages.
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Affiliation(s)
- Irina Panchuk
- Research Centre for Medical Genetics, Moscow, Russian Federation.
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2
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Kopp B, Khawam A, Di Perna K, Lenart D, Vinette M, Silva R, Zanoni TB, Rore C, Guenigault G, Richardson E, Kostrzewski T, Boswell A, Van P, Valentine Iii C, Salk J, Hamel A. Liver-on-chip model and application in predictive genotoxicity and mutagenicity of drugs. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2024; 896:503762. [PMID: 38821675 DOI: 10.1016/j.mrgentox.2024.503762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 04/04/2024] [Accepted: 04/08/2024] [Indexed: 06/02/2024]
Abstract
Currently, there is no test system, whether in vitro or in vivo, capable of examining all endpoints required for genotoxicity evaluation used in pre-clinical drug safety assessment. The objective of this study was to develop a model which could assess all the required endpoints and possesses robust human metabolic activity, that could be used in a streamlined, animal-free manner. Liver-on-chip (LOC) models have intrinsic human metabolic activity that mimics the in vivo environment, making it a preferred test system. For our assay, the LOC was assembled using primary human hepatocytes or HepaRG cells, in a MPS-T12 plate, maintained under microfluidic flow conditions using the PhysioMimix® Microphysiological System (MPS), and co-cultured with human lymphoblastoid (TK6) cells in transwells. This system allows for interaction between two compartments and for the analysis of three different genotoxic endpoints, i.e. DNA strand breaks (comet assay) in hepatocytes, chromosome loss or damage (micronucleus assay) and mutation (Duplex Sequencing) in TK6 cells. Both compartments were treated at 0, 24 and 45 h with two direct genotoxicants: methyl methanesulfonate (MMS) and ethyl methanesulfonate (EMS), and two genotoxicants requiring metabolic activation: benzo[a]pyrene (B[a]P) and cyclophosphamide (CP). Assessment of cytochrome activity, RNA expression, albumin, urea and lactate dehydrogenase production, demonstrated functional metabolic capacities. Genotoxicity responses were observed for all endpoints with MMS and EMS. Increases in the micronucleus and mutations (MF) frequencies were also observed with CP, and %Tail DNA with B[a]P, indicating the metabolic competency of the test system. CP did not exhibit an increase in the %Tail DNA, which is in line with in vivo data. However, B[a]P did not exhibit an increase in the % micronucleus and MF, which might require an optimization of the test system. In conclusion, this proof-of-principle experiment suggests that LOC-MPS technology is a promising tool for in vitro hazard identification genotoxicants.
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Affiliation(s)
- B Kopp
- Charles River Laboratories Montreal ULC, Canada
| | - A Khawam
- Charles River Laboratories Montreal ULC, Canada
| | - K Di Perna
- Charles River Laboratories Montreal ULC, Canada
| | - D Lenart
- Charles River Laboratories Montreal ULC, Canada
| | - M Vinette
- Charles River Laboratories Montreal ULC, Canada
| | - R Silva
- CN Bio Innovations, Cambridge, United Kingdom
| | - T B Zanoni
- TwinStrand Biosciences, Seattle, United States
| | - C Rore
- CN Bio Innovations, Cambridge, United Kingdom
| | | | | | | | - A Boswell
- TwinStrand Biosciences, Seattle, United States
| | - P Van
- TwinStrand Biosciences, Seattle, United States
| | | | - J Salk
- TwinStrand Biosciences, Seattle, United States
| | - A Hamel
- Charles River Laboratories Montreal ULC, Canada.
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3
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Grilli F, Hassan EM, Variola F, Zou S. Harnessing graphene oxide nanocarriers for siRNA delivery in a 3D spheroid model of lung cancer. Biomater Sci 2023; 11:6635-6649. [PMID: 37609774 DOI: 10.1039/d3bm00732d] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
Gene therapy has been recently proposed as an effective strategy for cancer treatment. A significant body of literature proved the effectiveness of nanocarriers to deliver therapeutic agents to 2D tumour models, which are simple but not always representative of the in vivo reality. In this study, we analyze the efficiency of 3D spheroids combined with a minimally modified graphene oxide (GO)-based nanocarrier for siRNA delivery as a new system for cell transfection. Small interfering RNA (siRNA) targeting cluster of differentiation 47 (CD47; CD47_siRNA) was used as an anti-tumour therapeutic agent to silence the genes expressing CD47. This is a surface marker able to send a "don't eat me" signal to macrophages to prevent their phagocytosis. Also, we report the analysis of different GO formulations, in terms of size (small: about 100 nm; large: >650 nm) and functionalization (unmodified or modified with polyethylene glycol (PEG) and the dendrimer PAMAM), aiming to establish the efficiency of unmodified GO as a nanocarrier for the transfection of A549 lung cancer spheroids. Small modified GO (smGO) showed the highest transfection efficiency values (>90%) in 3D models. Interestingly, small unmodified GO (sGO) was found to be promising for transfection, with efficiency values >80% using a higher siRNA ratio (i.e., 3 : 1). These results demonstrated the higher efficiency of spheroids compared to 2D models for transfection, and the high potential of unmodified GO to carry siRNA, providing a promising new in vitro model system for the analysis of anticancer gene therapies.
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Affiliation(s)
- Francesca Grilli
- Metrology Research Centre, National Research Council of Canada, 100 Sussex Drive, Ottawa, ON K1A 0R6, Canada.
- Department of Mechanical Engineering, University of Ottawa, 800 King Edward Avenue, Ottawa, ON K1N 6N5, Canada
| | - Eman M Hassan
- Metrology Research Centre, National Research Council of Canada, 100 Sussex Drive, Ottawa, ON K1A 0R6, Canada.
| | - Fabio Variola
- Department of Mechanical Engineering, University of Ottawa, 800 King Edward Avenue, Ottawa, ON K1N 6N5, Canada
| | - Shan Zou
- Metrology Research Centre, National Research Council of Canada, 100 Sussex Drive, Ottawa, ON K1A 0R6, Canada.
- Department of Chemistry, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada
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Yang S, Ooka M, Margolis RJ, Xia M. Liver three-dimensional cellular models for high-throughput chemical testing. CELL REPORTS METHODS 2023; 3:100432. [PMID: 37056374 PMCID: PMC10088249 DOI: 10.1016/j.crmeth.2023.100432] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
Drug-induced hepatotoxicity is a leading cause of drug withdrawal from the market. High-throughput screening utilizing in vitro liver models is critical for early-stage liver toxicity testing. Traditionally, monolayer human hepatocytes or immortalized liver cell lines (e.g., HepG2, HepaRG) have been used to test compound liver toxicity. However, monolayer-cultured liver cells sometimes lack the metabolic competence to mimic the in vivo condition and are therefore largely appropriate for short-term toxicological testing. They may not, however, be adequate for identifying chronic and recurring liver damage caused by drugs. Recently, several three-dimensional (3D) liver models have been developed. These 3D liver models better recapitulate normal liver function and metabolic capacity. This review describes the current development of 3D liver models that can be used to test drugs/chemicals for their pharmacologic and toxicologic effects, as well as the advantages and limitations of using these 3D liver models for high-throughput screening.
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Affiliation(s)
- Shu Yang
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
| | - Masato Ooka
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
| | - Ryan Jared Margolis
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
| | - Menghang Xia
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
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Chen D, Yin J, Huo J, Sun J, Huang J, Li T, Sun C, Yang Z, Qin W. Optimization and Application of A Bionic System of Dynamic Co-Culture with Hepatocytes and Renal Cells Based on Microfluidic Chip Technique in Evaluating Materials of Health Food. Nutrients 2022; 14:nu14224728. [PMID: 36432415 PMCID: PMC9699247 DOI: 10.3390/nu14224728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/04/2022] [Accepted: 11/05/2022] [Indexed: 11/11/2022] Open
Abstract
We aimed to explore the optimization and application of a bionic system of dynamic co-culture with hepatocytes and renal cells based on the microfluidic chip technique in evaluating emodin, which might replace the conventionally cytological evaluation technique of health food. After optimal experiments, the improved bionic system was composed of human hepatocellular carcinoma cells (HepG2), human renal glomerular endothelial cells (HRGECs), rat tail collagen type I, and gelatin with optimized concentrations (1.3 mg/mL + 7.5%). The applicability of the bionic system indicated that the growth stability was appropriate (CV: 7.36%), and the cell viability of that gradually decreased with the increasing of emodin concentration from 0−100 μM, which statistic significances were at 50 and 100 μM (p < 0.05), and the stained results of dead/live cells also showed the same trend. The LDH level appeared rising trend after decline between 0 μM and 100 μM emodi, and the level of that at 100 μM emodin was significantly higher than that at 25 μM and 50 μM emodin, respectively. The BUN level continuously and significantly declined with the increasing of emodin concentration (p < 0.05). Our research realized the application of this optimized bionic system in evaluating emodin, and provided a useful platform and reference for further in vitro alternative research with regard to evaluating the efficacies of health food in the future.
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Affiliation(s)
| | - Jiyong Yin
- Correspondence: ; Tel.: +86-010-6623-7211; Fax: +86-010-8313-2317
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Ahire D, Kruger L, Sharma S, Mettu VS, Basit A, Prasad B. Quantitative Proteomics in Translational Absorption, Distribution, Metabolism, and Excretion and Precision Medicine. Pharmacol Rev 2022; 74:769-796. [PMID: 35738681 DOI: 10.1124/pharmrev.121.000449] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
A reliable translation of in vitro and preclinical data on drug absorption, distribution, metabolism, and excretion (ADME) to humans is important for safe and effective drug development. Precision medicine that is expected to provide the right clinical dose for the right patient at the right time requires a comprehensive understanding of population factors affecting drug disposition and response. Characterization of drug-metabolizing enzymes and transporters for the protein abundance and their interindividual as well as differential tissue and cross-species variabilities is important for translational ADME and precision medicine. This review first provides a brief overview of quantitative proteomics principles including liquid chromatography-tandem mass spectrometry tools, data acquisition approaches, proteomics sample preparation techniques, and quality controls for ensuring rigor and reproducibility in protein quantification data. Then, potential applications of quantitative proteomics in the translation of in vitro and preclinical data as well as prediction of interindividual variability are discussed in detail with tabulated examples. The applications of quantitative proteomics data in physiologically based pharmacokinetic modeling for ADME prediction are discussed with representative case examples. Finally, various considerations for reliable quantitative proteomics analysis for translational ADME and precision medicine and the future directions are discussed. SIGNIFICANCE STATEMENT: Quantitative proteomics analysis of drug-metabolizing enzymes and transporters in humans and preclinical species provides key physiological information that assists in the translation of in vitro and preclinical data to humans. This review provides the principles and applications of quantitative proteomics in characterizing in vitro, ex vivo, and preclinical models for translational research and interindividual variability prediction. Integration of these data into physiologically based pharmacokinetic modeling is proving to be critical for safe, effective, timely, and cost-effective drug development.
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Affiliation(s)
- Deepak Ahire
- Department of Pharmaceutical Sciences, Washington State University, Spokane, Washington
| | - Laken Kruger
- Department of Pharmaceutical Sciences, Washington State University, Spokane, Washington
| | - Sheena Sharma
- Department of Pharmaceutical Sciences, Washington State University, Spokane, Washington
| | - Vijaya Saradhi Mettu
- Department of Pharmaceutical Sciences, Washington State University, Spokane, Washington
| | - Abdul Basit
- Department of Pharmaceutical Sciences, Washington State University, Spokane, Washington
| | - Bhagwat Prasad
- Department of Pharmaceutical Sciences, Washington State University, Spokane, Washington
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Štampar M, Žabkar S, Filipič M, Žegura B. HepG2 spheroids as a biosensor-like cell-based system for (geno)toxicity assessment. CHEMOSPHERE 2022; 291:132805. [PMID: 34767844 DOI: 10.1016/j.chemosphere.2021.132805] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/19/2021] [Accepted: 11/04/2021] [Indexed: 05/25/2023]
Abstract
3D spheroids developed from HepG2 cells were used as a biosensor-like system for the detection of (geno)toxic effects induced by chemicals. Benzo(a)pyrene (B(a)P) and amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) with well-known mechanisms of action were used for system validation. HepG2 spheroids grown for 3 days were exposed to BaP and PhIP for 24 and 72 h. The growth and viability of spheroids were monitored by planimetry and Live/Dead staining of cells. Multi-parametric flow cytometric analysis was applied for simultaneous detection of specific end-effects including cell cycle analysis (Hoechst staining), cell proliferation (KI67 marker), and DNA double-strand breaks (ℽH2AX) induced by genotoxic compounds. Depending on the exposure concentration/time, BaP reduced spheroid growth, affected cell proliferation by arresting cells in S and G2 phase and induced DNA double-strand breaks (DSB). Simultaneous staining of ℽH2AX formation and cell cycle analysis revealed that after BaP (10 μM; 24 h) exposure 60% of cells in G0/G1 phase had DNA DSB, while after 72 h only 20% of cells contained DSB indicating efficient repair of DNA lesions. PhIP did not influence the spheroid size whereas accumulation of cells in the G2 phase occurred after both treatment times. The evaluation of DNA damage revealed that at 200 μM PhIP 50% of cells in G0/G1 phase had DNA DSB, which after 72-h exposure dropped to 40%, showing lower repair capacity of PhIP-induced DSB compared to BaP-induced. The developed approach using simultaneous detection of several parameters provides mechanistic data and thus contributes to more reliable genotoxicity assessment of chemicals as a high-content screening tool.
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Affiliation(s)
- Martina Štampar
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia; Jozef Stefan International Postgraduate School, Ljubljana, Slovenia.
| | - Sonja Žabkar
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia.
| | - Metka Filipič
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia.
| | - Bojana Žegura
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia.
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De Simone U, Croce AC, Pignatti P, Buscaglia E, Caloni F, Coccini T. Three dimensional spheroid cell culture of human MSC‐derived neuron‐like cells: new in vitro model to assess magnetite nanoparticle‐induced neurotoxicity effects. J Appl Toxicol 2022; 42:1230-1252. [DOI: 10.1002/jat.4292] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/19/2022] [Accepted: 01/20/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Uliana De Simone
- Laboratory of Clinical and Experimental Toxicology, and Pavia Poison Centre ‐ National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri IRCCS Pavia Italy
| | - Anna Cleta Croce
- Institute of Molecular Genetics, Italian National Research Council (CNR) Pavia Italy
- Department of Biology & Biotechnology University of Pavia Pavia Italy
| | - Patrizia Pignatti
- Allergy and Immunology Unit, Istituti Clinici Scientifici Maugeri IRCCS Pavia Italy
| | - Eleonora Buscaglia
- Laboratory of Clinical and Experimental Toxicology, and Pavia Poison Centre ‐ National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri IRCCS Pavia Italy
| | - Francesca Caloni
- Department of Health, Animal Science and Food Safety Universitá degli Studi di Milano Milan Italy
| | - Teresa Coccini
- Laboratory of Clinical and Experimental Toxicology, and Pavia Poison Centre ‐ National Toxicology Information Centre, Toxicology Unit, Istituti Clinici Scientifici Maugeri IRCCS Pavia Italy
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Jiang T, Guo H, Xia YN, Liu Y, Chen D, Pang G, Feng Y, Yu H, Wu Y, Zhang S, Wang Y, Wang Y, Wen H, Zhang LW. Hepatotoxicity of copper sulfide nanoparticles towards hepatocyte spheroids using a novel multi-concave agarose chip method. Nanomedicine (Lond) 2021; 16:1487-1504. [PMID: 34184559 DOI: 10.2217/nnm-2021-0011] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Aim: To explore the hepatotoxicity of copper sulfide nanoparticles (CuSNPs) toward hepatocyte spheroids. Materials & methods: Other than the traditional agarose method to generate hepatocyte spheroids, we developed a multi-concave agarose chip (MCAC) method to investigate changes in hepatocyte viability, morphology, mitochondrial membrane potential, reactive oxygen species and hepatobiliary transporter by CuSNPs. Results: The MCAC method allowed a large number of spheroids to be obtained per sample. CuSNPs showed hepatotoxicity in vitro through a decrease in spheroid viability, albumin/urea production and glycogen deposition. CuSNPs also introduced hepatocyte spheroid injury through alteration of mitochondrial membrane potential and reactive oxygen species, that could be reversed by N-acetyl-l-cysteine. CuSNPs significantly decreased the activity of BSEP transporter by downregulating its mRNA and protein levels. Activity of the MRP2 transporter remained unchanged. Conclusion: We observed the hepatotoxicity of CuSNPs in vitro with associated mechanisms in an advanced 3D culture system.
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Affiliation(s)
- Tianyan Jiang
- School of Radiation Medicine & Protection, State Key Laboratory of Radiation Medicine & Protection, School for Radiological & Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, PR China
| | - Haoxiang Guo
- School of Radiation Medicine & Protection, State Key Laboratory of Radiation Medicine & Protection, School for Radiological & Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, PR China
| | - Ya-Nan Xia
- School of Radiation Medicine & Protection, State Key Laboratory of Radiation Medicine & Protection, School for Radiological & Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, PR China
| | - Yun Liu
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, PR China.,Shanghai R&D Centre for Standardization of Chinese Medicines, Shanghai, 201210, PR China
| | - Dandan Chen
- School of Radiation Medicine & Protection, State Key Laboratory of Radiation Medicine & Protection, School for Radiological & Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, PR China
| | - Guibin Pang
- State Key Laboratory of Bioreactor Engineering, East China University of Science & Technology, Shanghai, PR China
| | - Yahui Feng
- Department of Science & Technology, The Second Affiliated Hospital of Chengdu Medical College, China National Nuclear Corporation 416 Hospital, Chengdu, 610051, PR China
| | - Huan Yu
- School of Radiation Medicine & Protection, State Key Laboratory of Radiation Medicine & Protection, School for Radiological & Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, PR China
| | - Yanxian Wu
- School of Radiation Medicine & Protection, State Key Laboratory of Radiation Medicine & Protection, School for Radiological & Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, PR China
| | - Shaodian Zhang
- The Second Affiliated Hospital of Soochow University, 1055 Sanxiang Road, Suzhou, 215004, PR China
| | - Yangyun Wang
- School of Radiation Medicine & Protection, State Key Laboratory of Radiation Medicine & Protection, School for Radiological & Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, PR China
| | - Yong Wang
- School of Radiation Medicine & Protection, State Key Laboratory of Radiation Medicine & Protection, School for Radiological & Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, PR China
| | - Hairuo Wen
- Beijing Key Laboratory, National Center for Safety Evaluation of Drugs, National Institutes for Food & Drug Control, Beijing, 100176, PR China
| | - Leshuai W Zhang
- School of Radiation Medicine & Protection, State Key Laboratory of Radiation Medicine & Protection, School for Radiological & Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, 215123, PR China
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Ellero AA, van den Bout I, Vlok M, Cromarty AD, Hurrell T. Continual proteomic divergence of HepG2 cells as a consequence of long-term spheroid culture. Sci Rep 2021; 11:10917. [PMID: 34035320 PMCID: PMC8149451 DOI: 10.1038/s41598-021-89907-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 04/28/2021] [Indexed: 02/04/2023] Open
Abstract
Three-dimensional models are considered a powerful tool for improving the concordance between in vitro and in vivo phenotypes. However, the duration of spheroid culture may influence the degree of correlation between these counterparts. When using immortalised cell lines as model systems, the assumption for consistency and reproducibility is often made without adequate characterization or validation. It is therefore essential to define the biology of each spheroid model by investigating proteomic dynamics, which may be altered relative to culture duration. As an example, we assessed the influence of culture duration on the relative proteome abundance of HepG2 cells cultured as spheroids, which are routinely used to model aspects of the liver. Quantitative proteomic profiling of whole cell lysates labelled with tandem-mass tags was conducted using liquid chromatography-tandem mass spectrometry (LC-MS/MS). In excess of 4800 proteins were confidently identified, which were shared across three consecutive time points over 28 days. The HepG2 spheroid proteome was divergent from the monolayer proteome after 14 days in culture and continued to change over the successive culture time points. Proteins representing the recognised core hepatic proteome, cell junction, extracellular matrix, and cell adhesion proteins were found to be continually modulated.
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Affiliation(s)
- Andrea Antonio Ellero
- grid.49697.350000 0001 2107 2298Department of Pharmacology, Faculty of Health Sciences, School of Medicine, University of Pretoria, Pretoria, South Africa ,grid.49697.350000 0001 2107 2298Centre for Neuroendocrinology, Faculty of Health Sciences, School of Medicine, University of Pretoria, Pretoria, South Africa
| | - Iman van den Bout
- grid.49697.350000 0001 2107 2298Centre for Neuroendocrinology, Faculty of Health Sciences, School of Medicine, University of Pretoria, Pretoria, South Africa ,grid.49697.350000 0001 2107 2298Department of Physiology, Faculty of Health Sciences, School of Medicine, University of Pretoria, Pretoria, South Africa
| | - Maré Vlok
- grid.11956.3a0000 0001 2214 904XProteomics Unit, Central Analytical Facility, Stellenbosch University, Stellenbosch, South Africa
| | - Allan Duncan Cromarty
- grid.49697.350000 0001 2107 2298Department of Pharmacology, Faculty of Health Sciences, School of Medicine, University of Pretoria, Pretoria, South Africa
| | - Tracey Hurrell
- grid.7327.10000 0004 0607 1766Bioengineering and Integrated Genomics Group, Next Generation Health Cluster, Council for Scientific and Industrial Research, Pretoria, South Africa
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Coltman NJ, Coke BA, Chatzi K, Shepherd EL, Lalor PF, Schulz-Utermoehl T, Hodges NJ. Application of HepG2/C3A liver spheroids as a model system for genotoxicity studies. Toxicol Lett 2021; 345:34-45. [PMID: 33865918 DOI: 10.1016/j.toxlet.2021.04.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/19/2021] [Accepted: 04/11/2021] [Indexed: 12/14/2022]
Abstract
HepG2 cells continue to be a valuable tool in early drug discovery and pharmaceutical development. In the current study we develop a 3D in vitro liver model, using HepG2/C3A cells that is predictive of human genotoxic exposure. HepG2/C3A cells cultured for 7-days in agarose-coated microplates formed spheroids which were uniform in shape and had well defined outer perimeters and no evidence of a hypoxic core. Quantitative real-time-PCR analysis showed statistically significant transcriptional upregulation of xenobiotic metabolising genes (CYP1A1, CYP1A2, UG1A1, UGT1A3, UGT1A6, EPHX, NAT2) and genes linked to liver function (ALB, CAR) in 3D cultures. In response to three model pro-genotoxicants: benzo[a]pyrene, amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) and 2-aminoanthracene (2-AA), we observed further transcriptional upregulation of xenobiotic metabolising genes (CYP1A1, CYP1A2, NAT1/2, SULT1A2, UGT1A1, UGT1A3) compared to untreated spheroids. Consistent with this, spheroids were more sensitive than 2D monolayers to compound induced single- and double- stranded DNA-damage as assessed by the comet assay and γH2AX phosphorylation respectively. In contrast, levels of DNA-damage induced by the direct acting mutagen 4-nitroquinoline N-oxide (4NQO) was the same in spheroids and monolayers. In support of the enhanced genotoxic response in spheroids we also observed transcriptional upregulation of genes relating to DNA-damage and cellular stress response (e.g. GADD45A and CDKN1A) in spheroids. In conclusion, HepG2/C3A 3D spheroids are a sensitive model for in vitro genotoxicity assessment with potential applications in early stage drug development.
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Affiliation(s)
- Nicholas J Coltman
- School of Biosciences, University of Birmingham, Birmingham, B15 2TT, United Kingdom.
| | - Brandon A Coke
- School of Biosciences, University of Birmingham, Birmingham, B15 2TT, United Kingdom
| | - Kyriaki Chatzi
- School of Biosciences, University of Birmingham, Birmingham, B15 2TT, United Kingdom
| | - Emma L Shepherd
- Centre for Liver and Gastrointestinal Research, Institute of Immunology and Inflammation, and National Institute for Health Research (NIHR) Birmingham Biomedical Research Centre, The Medical School, University of Birmingham, Birmingham, B15 2TT, United Kingdom
| | - Patricia F Lalor
- Centre for Liver and Gastrointestinal Research, Institute of Immunology and Inflammation, and National Institute for Health Research (NIHR) Birmingham Biomedical Research Centre, The Medical School, University of Birmingham, Birmingham, B15 2TT, United Kingdom
| | - Timothy Schulz-Utermoehl
- Sygnature Discovery, The Discovery Building, BioCity, Pennyfoot Street, Nottingham, United Kingdom
| | - Nikolas J Hodges
- School of Biosciences, University of Birmingham, Birmingham, B15 2TT, United Kingdom.
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12
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Štampar M, Sedighi Frandsen H, Rogowska-Wrzesinska A, Wrzesinski K, Filipič M, Žegura B. Hepatocellular carcinoma (HepG2/C3A) cell-based 3D model for genotoxicity testing of chemicals. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 755:143255. [PMID: 33187710 DOI: 10.1016/j.scitotenv.2020.143255] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/22/2020] [Accepted: 10/24/2020] [Indexed: 05/25/2023]
Abstract
The major weakness of the current in vitro genotoxicity test systems is the inability of the indicator cells to express metabolic enzymes needed for the activation and detoxification of genotoxic compounds, which consequently can lead to misleading results. Thus, there is a significant emphasis on developing hepatic cell models, including advanced in vitro three-dimensional (3D) cell-based systems, which better imitate in vivo cell behaviour and offer more accurate and predictive data for human exposures. In this study, we developed an approach for genotoxicity testing with 21-day old spheroids formed from human hepatocellular carcinoma cells (HepG2/C3A) using the dynamic clinostat bioreactor system (CelVivo BAM/bioreactor) under controlled conditions. The spheroids were exposed to indirect-acting genotoxic compounds, polycyclic aromatic hydrocarbon [PAH; benzo(a) pyrene B(a)P], and heterocyclic aromatic amine [PhIP]) at non-cytotoxic concentrations for 24 and 96 h. The results showed that both environmental pollutants B(a)P and PhIP significantly increased the level of DNA strand breaks assessed by the comet assay. Further, the mRNA level of selected genes encoding metabolic enzymes from phase I and II, and DNA damage responsive genes was determined (qPCR). The 21-day old spheroids showed higher basal expression of genes encoding metabolic enzymes compared to monolayer culture. In spheroids, B(a)P or PhIP induced compound-specific up-regulation of genes implicated in their metabolism, and deregulation of genes implicated in DNA damage and immediate-early response. The study demonstrated that this model utilizing HepG2/C3A spheroids grown under dynamic clinostat conditions represents a very sensitive and promising in vitro model for genotoxicity and environmental studies and can thus significantly contribute to a more reliable assessment of genotoxic activities of pure chemicals, and complex environmental samples even at very low for environmental exposure relevant concentrations.
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Affiliation(s)
- Martina Štampar
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia; Jozef Stefan International Postgraduate School, Ljubljana, Slovenia.
| | - Helle Sedighi Frandsen
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark.
| | | | | | - Metka Filipič
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia.
| | - Bojana Žegura
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia.
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13
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Cox CR, Lynch S, Goldring C, Sharma P. Current Perspective: 3D Spheroid Models Utilizing Human-Based Cells for Investigating Metabolism-Dependent Drug-Induced Liver Injury. FRONTIERS IN MEDICAL TECHNOLOGY 2020; 2:611913. [PMID: 35047893 PMCID: PMC8757888 DOI: 10.3389/fmedt.2020.611913] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 11/04/2020] [Indexed: 12/21/2022] Open
Abstract
Drug-induced liver injury (DILI) remains a leading cause for the withdrawal of approved drugs. This has significant financial implications for pharmaceutical companies, places increasing strain on global health services, and causes harm to patients. For these reasons, it is essential that in-vitro liver models are capable of detecting DILI-positive compounds and their underlying mechanisms, prior to their approval and administration to patients or volunteers in clinical trials. Metabolism-dependent DILI is an important mechanism of drug-induced toxicity, which often involves the CYP450 family of enzymes, and is associated with the production of a chemically reactive metabolite and/or inefficient removal and accumulation of potentially toxic compounds. Unfortunately, many of the traditional in-vitro liver models fall short of their in-vivo counterparts, failing to recapitulate the mature hepatocyte phenotype, becoming metabolically incompetent, and lacking the longevity to investigate and detect metabolism-dependent DILI and those associated with chronic and repeat dosing regimens. Nevertheless, evidence is gathering to indicate that growing cells in 3D formats can increase the complexity of these models, promoting a more mature-hepatocyte phenotype and increasing their longevity, in vitro. This review will discuss the use of 3D in vitro models, namely spheroids, organoids, and perfusion-based systems to establish suitable liver models to investigate metabolism-dependent DILI.
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Affiliation(s)
- Christopher R. Cox
- Department of Pharmacology and Experimental Therapeutics, MRC Centre for Drug Safety Science, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, United Kingdom
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom
- *Correspondence: Christopher R. Cox
| | - Stephen Lynch
- Department of Pharmacology and Experimental Therapeutics, MRC Centre for Drug Safety Science, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Christopher Goldring
- Department of Pharmacology and Experimental Therapeutics, MRC Centre for Drug Safety Science, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Parveen Sharma
- Department of Pharmacology and Experimental Therapeutics, MRC Centre for Drug Safety Science, Institute of Systems, Molecular & Integrative Biology, University of Liverpool, Liverpool, United Kingdom
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom
- Liverpool Centre for Cardiovascular Science, Liverpool, United Kingdom
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Štampar M, Breznik B, Filipič M, Žegura B. Characterization of In Vitro 3D Cell Model Developed from Human Hepatocellular Carcinoma (HepG2) Cell Line. Cells 2020; 9:E2557. [PMID: 33260628 PMCID: PMC7759933 DOI: 10.3390/cells9122557] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/23/2020] [Accepted: 11/26/2020] [Indexed: 12/14/2022] Open
Abstract
In genetic toxicology, there is a trend against the increased use of in vivo models as highlighted by the 3R strategy, thus encouraging the development and implementation of alternative models. Two-dimensional (2D) hepatic cell models, which are generally used for studying the adverse effects of chemicals and consumer products, are prone to giving misleading results. On the other hand, newly developed hepatic three-dimensional (3D) cell models provide an attractive alternative, which, due to improved cell interactions and a higher level of liver-specific functions, including metabolic enzymes, reflect in vivo conditions more accurately. We developed an in vitro 3D cell model from the human hepatocellular carcinoma (HepG2) cell line. The spheroids were cultured under static conditions and characterised by monitoring their growth, morphology, and cell viability during the time of cultivation. A time-dependent suppression of cell division was observed. Cell cycle analysis showed time-dependent accumulation of cells in the G0/G1 phase. Moreover, time-dependent downregulation of proliferation markers was shown at the mRNA level. Genes encoding hepatic markers, metabolic phase I/II enzymes, were time-dependently deregulated compared to monolayers. New knowledge on the characteristics of the 3D cell model is of great importance for its further development and application in the safety assessment of chemicals, food products, and complex mixtures.
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Affiliation(s)
- Martina Štampar
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia; (M.Š.); (B.B.); (M.F.)
- Jozef Stefan International Postgraduate School, 1000 Ljubljana, Slovenia
| | - Barbara Breznik
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia; (M.Š.); (B.B.); (M.F.)
| | - Metka Filipič
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia; (M.Š.); (B.B.); (M.F.)
- Jozef Stefan International Postgraduate School, 1000 Ljubljana, Slovenia
| | - Bojana Žegura
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, 1000 Ljubljana, Slovenia; (M.Š.); (B.B.); (M.F.)
- Jozef Stefan International Postgraduate School, 1000 Ljubljana, Slovenia
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15
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Hercog K, Štampar M, Štern A, Filipič M, Žegura B. Application of advanced HepG2 3D cell model for studying genotoxic activity of cyanobacterial toxin cylindrospermopsin. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 265:114965. [PMID: 32559695 DOI: 10.1016/j.envpol.2020.114965] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 06/02/2020] [Accepted: 06/03/2020] [Indexed: 06/11/2023]
Abstract
Cylindrospermopsin (CYN) is an emerging cyanotoxin increasingly being found in freshwater cyanobacterial blooms worldwide. Humans and animals are exposed to CYN through the consumption of contaminated water and food as well as occupational and recreational water activities; therefore, it represents a potential health threat. It exhibits genotoxic effects in metabolically active test systems, thus it is considered as pro-genotoxic. In the present study, the advanced 3D cell model developed from human hepatocellular carcinoma (HepG2) cells was used for the evaluation of CYN cyto-/genotoxic activity. Spheroids were formed by forced floating method and were cultured for three days under static conditions prior to exposure to CYN (0.125, 0.25 and 0.5 μg/mL) for 72 h. CYN influence on spheroid growth was measured daily and cell survival was determined by MTS assay and live/dead staining. The influence on cell proliferation, cell cycle alterations and induction of DNA damage (γH2AX) was determined using flow cytometry. Further, the expression of selected genes (qPCR) involved in the metabolism of xenobiotics, proliferation, DNA damage response, apoptosis and oxidative stress was studied. Results revealed that CYN dose-dependently reduced the size of spheroids and affected cell division by arresting HepG2 cells in G1 phase of the cell cycle. No induction of DNA double strand breaks compared to control was determined at applied conditions. The analysis of gene expression revealed that CYN significantly deregulated genes encoding phase I (CYP1A1, CYP1A2, CYP3A4, ALDH3A) and II (NAT1, NAT2, SULT1B1, SULT1C2, UGT1A1, UGT2B7) enzymes as well as genes involved in cell proliferation (PCNA, TOP2α), apoptosis (BBC3) and DNA damage response (GADD45a, CDKN1A, ERCC4). The advanced 3D HepG2 cell model due to its more complex structure and improved cellular interactions provides more physiologically relevant information and more predictive data for human exposure, and can thus contribute to more reliable genotoxicity assessment of chemicals including cyanotoxins.
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Affiliation(s)
- Klara Hercog
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia; Jozef Stefan International Postgraduate School, Ljubljana, Slovenia.
| | - Martina Štampar
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia; Jozef Stefan International Postgraduate School, Ljubljana, Slovenia.
| | - Alja Štern
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia.
| | - Metka Filipič
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia; Jozef Stefan International Postgraduate School, Ljubljana, Slovenia.
| | - Bojana Žegura
- Department of Genetic Toxicology and Cancer Biology, National Institute of Biology, Ljubljana, Slovenia; Jozef Stefan International Postgraduate School, Ljubljana, Slovenia.
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16
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Aligned nanofiber scaffolds improve functionality of cardiomyocytes differentiated from human induced pluripotent stem cell-derived cardiac progenitor cells. Sci Rep 2020; 10:13575. [PMID: 32782331 PMCID: PMC7419298 DOI: 10.1038/s41598-020-70547-4] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 07/30/2020] [Indexed: 12/21/2022] Open
Abstract
Cardiac progenitor cells (CPCs), capable of differentiating into multiple cardiac cell types including cardiomyocytes (CMs), endothelial cells, and smooth muscle cells, are promising candidates for cardiac repair/regeneration. In vitro model systems where cells are grown in a more in vivo-like environment, such as 3D cultures, have been shown to be more predictive than 2D culture for studying cell biology and disease pathophysiology. In this report, we focused on using Wnt inhibitors to study the differentiation of human iPSC-CPCs under 2D or 3D culture conditions by measuring marker protein and gene expression as well as intracellular Ca2+ oscillation. Our results show that the 3D culture with aligned nanofiber scaffolds, mimicing the architecture of the extracellular matrix of the heart, improve the differentiation of iPSC-CPCs to functional cardiomyocytes induced by Wnt inhibition, as shown with increased number of cardiac Troponin T (cTnT)-positive cells and synchronized intracellular Ca2+ oscillation. In addition, we studied if 3D nanofiber culture can be used as an in vitro model for compound screening by testing a number of other differentiation factors including a ALK5 inhibitor and inhibitors of BMP signaling. This work highlights the importance of using a more relevant in vitro model and measuring not only the expression of marker proteins but also the functional readout in a screen in order to identify the best compounds and to investigate the resulting biology.
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Darakhshan S, Bidmeshki Pour A, Kowsari-Esfahan R, Vosough M, Montazeri L, Ghanian MH, Baharvand H, Piryaei A. Generation of Scalable Hepatic Micro-Tissues as a Platform for Toxicological Studies. Tissue Eng Regen Med 2020; 17:459-475. [PMID: 32666397 PMCID: PMC7392990 DOI: 10.1007/s13770-020-00272-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 04/02/2020] [Accepted: 05/07/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Currently, there is an urgent need for scalable and reliable in vitro models to assess the effects of therapeutic entities on the human liver. Hepatoma cell lines, including Huh-7, show weakly resemblance to human hepatocytes, limiting their significance in toxicity studies. Co-culture of hepatic cells with non-parenchymal cells, and the presence of extracellular matrix have been shown to influence the biological behavior of hepatocytes. The aim of this study was to generate the scalable and functional hepatic micro-tissues (HMTs). METHODS The size-controllable HMTs were generated through co-culturing of Huh-7 cells by mesenchymal stem cells and human umbilical vein endothelial cells in a composite hydrogel of liver-derived extracellular matrix and alginate, using an air-driven droplet generator. RESULTS The generated HMTs were functional throughout a culture period of 28 days, as assessed by monitoring glycogen storage, uptake of low-density lipoprotein and indocyanine green. The HMTs also showed increased secretion levels of albumin, alpha-1-antitrypsin, and fibrinogen, and production of urea. Evaluating the expression of genes involved in hepatic-specific and drug metabolism functions indicated a significant improvement in HMTs compared to two-dimensional (2D) culture of Huh-7 cells. Moreover, in drug testing assessments, HMTs showed higher sensitivity to hepatotoxins compared to 2D cultured Huh-7 cells. Furthermore, induction and inhibition potency of cytochrome P450 enzymes confirmed that the HMTs can be used for in vitro drug screening. CONCLUSION Overall, we developed a simple and scalable method for generation of liver micro-tissues, using Huh-7, with improved hepatic-specific functionality, which may represent a biologically relevant platform for drug studies.
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Affiliation(s)
- Sara Darakhshan
- Department of Biology, Faculty of Science, Razi University, Kermanshah, 6714414971, Iran
| | - Ali Bidmeshki Pour
- Department of Biology, Faculty of Science, Razi University, Kermanshah, 6714414971, Iran.
| | - Reza Kowsari-Esfahan
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Massoud Vosough
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, P.O. Box: 16635-148, Tehran, Iran
| | - Leila Montazeri
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Mohammad Hossein Ghanian
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Hossein Baharvand
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, P.O. Box: 16635-148, Tehran, Iran.
- Department of Developmental Biology, University of Science and Culture, Tehran, Iran.
| | - Abbas Piryaei
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, P.O. Box: 19395-4719, Tehran, Iran.
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Hedayatnasab Z, Dabbagh A, Abnisa F, Wan Daud WMA. Polycaprolactone-coated superparamagnetic iron oxide nanoparticles for in vitro magnetic hyperthermia therapy of cancer. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109789] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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19
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Zhang X, Jiang T, Chen D, Wang Q, Zhang LW. Three-dimensional liver models: state of the art and their application for hepatotoxicity evaluation. Crit Rev Toxicol 2020; 50:279-309. [DOI: 10.1080/10408444.2020.1756219] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xihui Zhang
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, P. R. China
| | - Tianyan Jiang
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, P. R. China
| | - Dandan Chen
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, P. R. China
| | - Qi Wang
- Institute for Control of Chinese Traditional Medicine and Ethnic Medicine, National Institutes for Food and Drug Control (NIFDC), China Food and Drug Administration (CFDA), Beijing, P. R. China
| | - Leshuai W. Zhang
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou, P. R. China
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Development of in vitro 3D cell model from hepatocellular carcinoma (HepG2) cell line and its application for genotoxicity testing. Arch Toxicol 2019; 93:3321-3333. [DOI: 10.1007/s00204-019-02576-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 09/17/2019] [Indexed: 11/25/2022]
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