Roles of chromatin remodelers in maintenance mechanisms of multipotency of mouse trunk neural crest cells in the formation of neural crest-derived stem cells

被引：25

作者：

Fujita, Kyohei ^{[1
]}

Ogawa, Ryuhei ^{[1
]}

Kawawaki, Syunsaku ^{[1
]}

Ito, Kazuo ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Sci, Dept Biol Sci, Toyonaka, Osaka 5600043, Japan

来源：

MECHANISMS OF DEVELOPMENT | 2014年 / 133卷

关键词：

Neural crest-derived stem cells; Chromatin remodeler; BMP/Wnt signaling; Mouse; DORSAL-ROOT GANGLIA; BETA-CATENIN; IN-VITRO; CHARGE-SYNDROME; NERVOUS-SYSTEM; SELF-RENEWAL; DIFFERENTIATION; WNT; EXPRESSION; INDUCTION;

D O I：

10.1016/j.mod.2014.05.001

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We analyzed roles of two chromatin remodelers, Chromodomain Helicase DNA-binding protein 7 (CHD7) and SWItch/Sucrose NonFermentable-B (SWI/SNF-B), and Bone Morphogenetic Protein (BMP)/Wnt signaling in the maintenance of the multipotency of mouse trunk neural crest cells, leading to the formation of mouse neural crest-derived stem cells (mouse NCSCs). CHD7 was expressed in the undifferentiated neural crest cells and in the dorsal root ganglia (DRG) and sciatic nerve, typical tissues containing NCSCs. BMP/Wnt signaling stimulated the expression of CHD7 and participated in maintaining the multipotency of neural crest cells. Furthermore, the promotion of CHD7 expression maintained the multipotency of these cells. The inhibition of CHD7 and SWI/SNF-B expression significantly suppressed the maintenance of the multipotency of these cells. In addition, BMP/Wnt treatment promoted CHD7 expression and caused the increase of the percentage of multipotent cells in DRG. Thus, the present data suggest that the chromatin remodelers as well as BMP/Wnt signaling play essential roles in the maintenance of the multipotency of mouse trunk neural crest cells and in the formation of mouse NCSCs. (C) 2014 Elsevier Ireland Ltd. All rights reserved.

引用

页码：126 / 145

页数：20

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