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KMID : 1034820190150030271
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Molecular & Cellular Toxicology
2019 Volume.15 No. 3 p.271 ~ p.285
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Comparison of three human liver cell lines for in vitro drug-induced liver injury assessment: Huh7, HepaRG, and stem cell-derived hepatocytes
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Yun So-Yoon
Kim Ju-Yeun
Back Moon-Jung
Kim Hee-Soo
Ha Hae-Chan
Jang Ji-Min
Kim Dae-Kyong
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Abstract
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Backgrounds: Drug-induced liver injury (DILI) is a major causal factor for failure in clinical trials and withdrawal of drugs from pharmaceutical markets. Therefore, a human cell-based in vitro system has been established to overcome the limitations of preclinical trials. However, previous studies focused on the drug metabolism in each cell line or described to be superior in one single cell line for assessing DILI. In this study, we used Huh7, HepaRG, and Hepatosight-S cells to evaluate the liver toxicity and dysfunction driven by DILI-inducing drugs.
Methods: Cytotoxicity of 17 DILI-inducing drugs was assessed by LDH release assay and the drug-induced liver dysfunction was confirmed by albumin secretion. Furthermore, we analyzed the expression levels of phase I and phase II enzymes and nuclear receptors in each cell lines.
Results: DILI-inducing drugs were differently detected in each cell line because each cell line differs on the expression of drug metabolic enzymes which associated with reactivity on DILI inducing drugs.
Conclusion: To predict the responses of DILI-inducing drugs in human liver cells, using diverse cell lines having different drug metabolic capabilities is more suitable for predicting DILI.
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KEYWORD
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DILI, Huh7, HepaRG, Stem-cell derived hepatocytes, Hepatotoxicity, Drug metabolic enzymes
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