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Published in: Digestive Diseases and Sciences 5/2011

01-05-2011 | Original Article

Musashi1 and Hairy and Enhancer of Split 1 High Expression Cells Derived from Embryonic Stem Cells Enhance the Repair of Small-Intestinal Injury in the Mouse

Authors: Tao Yu, Shao-Yang Lan, Bin Wu, Qiu-Hui Pan, Liu Shi, Kai-Hong Huang, Ying Lin, Qi-Kui Chen

Published in: Digestive Diseases and Sciences | Issue 5/2011

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Abstract

Background

Embryonic stem cells have great plasticity. In this study, we repaired impaired small intestine by transplanting putative intestinal epithelial stem cells (Musashi1 and hairy and enhancer of split 1 high expression cells) derived from embryonic stem cells.

Methods

The differentiation of definitive endoderm in embryoid bodies, derived from male ES-E14TG2a cells by the hanging-drop method, was monitored to define a time point for maximal induction of putative intestinal epithelial stem cells by epidermal growth factor. Furthermore, to evaluate the regenerative potential of intestinal epithelium, these putative stem cells were engrafted into NOD/SCID mice and female mice with enteritis. Donor cells were located by SRY DNA in situ hybridization.

Results

The results revealed that definitive endodermal markers were highly expressed in 5-day embryoid bodies. These embryoid body cells were induced into putative intestinal epithelial stem cells on the 5th day of epidermal growth factor administration. Grafts from these cells consisted of adenoid structures and nonspecific structural cells with strong expression of small-intestinal epithelial cell markers. In situ hybridization revealed that the donor cells could specifically locate in damaged intestinal epithelium, contribute to epithelial structures, and enhance regeneration.

Conclusions

In conclusion, the Musashi1 and hairy and enhancer of split 1 high expression cells, derived from mouse embryonic stem cells, locate predominantly in impaired small-intestinal epithelium after transplantation and contribute to epithelial regeneration.
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Metadata
Title
Musashi1 and Hairy and Enhancer of Split 1 High Expression Cells Derived from Embryonic Stem Cells Enhance the Repair of Small-Intestinal Injury in the Mouse
Authors
Tao Yu
Shao-Yang Lan
Bin Wu
Qiu-Hui Pan
Liu Shi
Kai-Hong Huang
Ying Lin
Qi-Kui Chen
Publication date
01-05-2011
Publisher
Springer US
Published in
Digestive Diseases and Sciences / Issue 5/2011
Print ISSN: 0163-2116
Electronic ISSN: 1573-2568
DOI
https://doi.org/10.1007/s10620-010-1441-9

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