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Publication : The Sox-2 regulatory regions display their activities in two distinct types of multipotent stem cells.

First Author  Miyagi S Year  2004
Journal  Mol Cell Biol Volume  24
Issue  10 Pages  4207-20
PubMed ID  15121842 Mgi Jnum  J:337515
Mgi Id  MGI:6401011 Doi  10.1128/mcb.24.10.4207-4220.2004
Citation  Miyagi S, et al. (2004) The Sox-2 regulatory regions display their activities in two distinct types of multipotent stem cells. Mol Cell Biol 24(10):4207-20
abstractText  The Sox-2 gene is expressed in embryonic stem (ES) cells and neural stem cells. Two transcription enhancer regions, Sox-2 regulatory region 1 (SRR1) and SRR2, were described previously based on their activities in ES cells. Here, we demonstrate that these regulatory regions also exert their activities in neural stem cells. Moreover, our data reveal that, as in ES cells, both SRR1 and SRR2 show their activities rather specifically in multipotent neural stem or progenitor cells but cease to function in differentiated cells, such as postmitotic neurons. Systematic deletion and mutation analyses showed that the same or at least overlapping DNA elements of SRR2 are involved in its activity in both ES and neural stem or progenitor cells. Thus, SRR2 is the first example of an enhancer in which a single regulatory core sequence is involved in multipotent-state-specific expression in two different stem cells, i.e., ES and neural stem cells.
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