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Yakugaku Zasshi
Article . 2019 . Peer-reviewed
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Yakugaku Zasshi
Article
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Yakugaku Zasshi
Article . 2020
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Generation of Zone-specific Hepatocyte-like Cells from Human Induced Pluripotent Stem Cells for Accurate Prediction of Drug-induced Hepatotoxicity

Authors: Seiji, Mitani;

Generation of Zone-specific Hepatocyte-like Cells from Human Induced Pluripotent Stem Cells for Accurate Prediction of Drug-induced Hepatotoxicity

Abstract

Human induced pluripotent stem (iPS) cell-derived hepatocyte-like cells (iPS-HLCs) are expected to be applicable to large-scale in vitro hepatotoxicity screening systems. Accordingly, methods for generating HLCs from human iPS cells have been improved over the past decade. However, although human hepatocytes have zone-specific characteristics in vivo, there is currently no technique to generate zone-specific HLCs from human iPS cells. Therefore, to generate HLCs with zone-specific properties from human iPS cells, we cultured iPS-HLCs using a parenchymal or nonparenchymal cell-conditioned medium (CM). The results showed that urea production and gluconeogenesis capacity in iPS-HLCs were increased by culturing with cholangiocyte-CM, and glutamine production and drug metabolism capacity in iPS-HLCs were increased by culturing with hepatocyte-CM. It was thus clarified that iPS-HLCs acquire zone 1 hepatocyte-like properties by culturing with cholangiocyte-CM and that iPS-HLCs acquire zone 3 hepatocyte-like properties by culturing with hepatocyte-CM. In addition, we found that WNT inhibitory factor-1 secreted from cholangiocytes, and WNT7B and WNT8B secreted from hepatocytes play important roles in the zone-specific conversion of iPS-HLCs. We hope that our findings will facilitate the application of iPS-HLCs to drug discovery research.

Related Organizations
Keywords

Induced Pluripotent Stem Cells, Cell Culture Techniques, Gluconeogenesis, Culture Media, Wnt Proteins, Drug Discovery, Hepatocytes, Humans, Urea, Chemical and Drug Induced Liver Injury, Biliary Tract, Adaptor Proteins, Signal Transducing

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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