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Differentiation of mouse induced pluripotent stem cells into neurons using conditioned medium of dorsal root ganglia.
MedLine Citation:
PMID:  21477670     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Mouse induced pluripotent stem (iPS) cells are known to have the ability to differentiate into various cell lineages including neurons in vitro. We have reported that chick dorsal root ganglion (DRG)-conditioned medium (CM) promoted the differentiation of mouse embryonic stem (ES) cells into motor neurons. We investigated the formation of undifferentiated iPS cell colonies and the differentiation of iPS cells into neurons using DRG-CM. When iPS cells were cultured in DMEM containing leukemia inhibitory factor (LIF), the iPS cells appeared to be maintained in an undifferentiated state for 19 passages. The number of iPS cell colonies (200μm in diameter) was maximal at 6 d of cultivation and the colonies were maintained in an undifferentiated state, but the iPS cell colonies at 10 d of cultivation had hollows inside the colonies and were differentiated. On the other hand, the number of ES cell colonies (200μm in diameter) was maximal at 10 d of cultivation. The iPS cells were able to proliferate and differentiate easily into various cell lineages, compared to ES cells. When iPS cell colonies were cultured in a manner similar to ES cells with DMEM/F-12K medium supplemented with DRG-CM, the iPS cells mainly differentiated into motor and sensory neurons. These results suggested that the differentiation properties of iPS cells differ from those of ES cells.
Authors:
Ayako Kitazawa; Norio Shimizu
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-4-5
Journal Detail:
Title:  New biotechnology     Volume:  -     ISSN:  1876-4347     ISO Abbreviation:  -     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-4-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101465345     Medline TA:  N Biotechnol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011. Published by Elsevier B.V.
Affiliation:
Bio-Nano Electronics Research Center, Toyo University, 2100 Kujirai, Kawagoe-shi, Saitama 350-8585, Japan.
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