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Simple Maturation of Direct-Converted Hepatocytes Derived from Fibroblasts.


ABSTRACT: Target cells differentiation techniques from stem cells are developed rapidly. Recently, direct conversion techniques are introduced in various categories. Unlike pluripotent stem cells, this technique enables direct differentiation into the other cell types such as neurons, cardiomyocytes, insulin-producing cells, and hepatocytes without going through the pluripotent stage. However, the function of these converted cells reserve an immature phenotype. Therefore, we modified the culture conditions of mouse direct converted hepatocytes (miHeps) to mature fetal characteristics, such as higher AFP and lower albumin (ALB) expression than primary hepatocytes. First, we generate miHeps from mouse embryonic fibroblasts (MEFs) with two transcription factors HNF4? and Foxa3. These cells indicate typical epithelial morphology and express hepatic proteins. To mature hepatic function, DMSO is treated during culture time for more than 7 days. After maturation, miHeps showed features of maturation such as exhibiting typical hepatocyte-like morphology, increased up-regulated ALB and CYP enzyme gene expression, down-regulated AFP expressions, and acquired hepatic function over time. Thus, our data provides a simple method to mature direct converted hepatocytes functionally and these cells enable them to move closer to generating functional hepatocytes.

SUBMITTER: Cho YD 

PROVIDER: S-EPMC6171619 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature

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Simple Maturation of Direct-Converted Hepatocytes Derived from Fibroblasts.

Cho Young-Duck YD   Yoon Sangtae S   Kang Kyojin K   Kim Yohan Y   Lee Seung Bum SB   Seo Daekwan D   Ryu Kiyoung K   Jeong Jaemin J   Choi Dongho D  

Tissue engineering and regenerative medicine 20170623 5


Target cells differentiation techniques from stem cells are developed rapidly. Recently, direct conversion techniques are introduced in various categories. Unlike pluripotent stem cells, this technique enables direct differentiation into the other cell types such as neurons, cardiomyocytes, insulin-producing cells, and hepatocytes without going through the pluripotent stage. However, the function of these converted cells reserve an immature phenotype. Therefore, we modified the culture condition  ...[more]

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