Efficient Generation of Hepatoblasts From Human ES Cells and iPS Cells by Transient Overexpression of Homeobox Gene HEX

Human embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) have the potential to differentiate into all cell lineages, including hepatocytes, in vitro. Induced hepatocytes have a wide range of potential application in biomedical research, drug discovery, and the treatment of liver...

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Veröffentlicht in:Molecular therapy 2011-02, Vol.19 (2), p.400-407
Hauptverfasser: Inamura, Mitsuru, Kawabata, Kenji, Takayama, Kazuo, Tashiro, Katsuhisa, Sakurai, Fuminori, Katayama, Kazufumi, Toyoda, Masashi, Akutsu, Hidenori, Miyagawa, Yoshitaka, Okita, Hajime, Kiyokawa, Nobutaka, Umezawa, Akihiro, Hayakawa, Takao, Furue, Miho K, Mizuguchi, Hiroyuki
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container_end_page 407
container_issue 2
container_start_page 400
container_title Molecular therapy
container_volume 19
creator Inamura, Mitsuru
Kawabata, Kenji
Takayama, Kazuo
Tashiro, Katsuhisa
Sakurai, Fuminori
Katayama, Kazufumi
Toyoda, Masashi
Akutsu, Hidenori
Miyagawa, Yoshitaka
Okita, Hajime
Kiyokawa, Nobutaka
Umezawa, Akihiro
Hayakawa, Takao
Furue, Miho K
Mizuguchi, Hiroyuki
description Human embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) have the potential to differentiate into all cell lineages, including hepatocytes, in vitro. Induced hepatocytes have a wide range of potential application in biomedical research, drug discovery, and the treatment of liver disease. However, the existing protocols for hepatic differentiation of PSCs are not very efficient. In this study, we developed an efficient method to induce hepatoblasts, which are progenitors of hepatocytes, from human ESCs and iPSCs by overexpression of the HEX gene, which is a homeotic gene and also essential for hepatic differentiation, using a HEX-expressing adenovirus (Ad) vector under serum/feeder cell-free chemically defined conditions. Ad-HEX-transduced cells expressed α-fetoprotein (AFP) at day 9 and then expressed albumin (ALB) at day 12. Furthermore, the Ad-HEX-transduced cells derived from human iPSCs also produced several cytochrome P450 (CYP) isozymes, and these P450 isozymes were capable of converting the substrates to metabolites and responding to the chemical stimulation. Our differentiation protocol using Ad vector-mediated transient HEX transduction under chemically defined conditions efficiently generates hepatoblasts from human ESCs and iPSCs. Thus, our methods would be useful for not only drug screening but also therapeutic applications.
doi_str_mv 10.1038/mt.2010.241
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subjects Adenoviridae - genetics
Adenovirus
Biochemistry
Biomedical research
Cell Differentiation - genetics
Cell Differentiation - physiology
Childrens health
Cytochrome P-450 Enzyme System - genetics
Cytochrome P-450 Enzyme System - metabolism
Drug dosages
Embryonic Stem Cells - cytology
Embryonic Stem Cells - metabolism
Genes
Genes, Homeobox - genetics
Genes, Homeobox - physiology
Genetic Vectors - genetics
Growth factors
Hepatocytes - cytology
Homeodomain Proteins - genetics
Homeodomain Proteins - physiology
Humans
Induced Pluripotent Stem Cells - cytology
Induced Pluripotent Stem Cells - metabolism
Liver
Molecular biology
Original
Pharmaceutical sciences
Proteins
R&D
Research & development
Stem cells
Transcription Factors - genetics
Transcription Factors - physiology
title Efficient Generation of Hepatoblasts From Human ES Cells and iPS Cells by Transient Overexpression of Homeobox Gene HEX
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