التفاصيل البيبلوغرافية
| العنوان: |
SOX9 induces and maintains neural stem cells. |
| المؤلفون: |
Scott, Charlotte E1,2, Wynn, Sarah L1,3, Sesay, Abdul1, Cruz, Catarina2, Cheung, Martin2,3, Gaviro, Maria-Victoria Gomez1, Booth, Sarah1, Bo Gao3, Cheah, Kathryn S. E.3, Lovell-Badge, Robin1 rlovell@nimr.mrc.ac.uk, Briscoe, James2 jbrisco@nimr.mrc.ac.uk |
| المصدر: |
Nature Neuroscience. Oct2010, Vol. 13 Issue 10, p1181-1189. 9p. 4 Color Photographs, 1 Black and White Photograph, 3 Graphs. |
| مصطلحات موضوعية: |
*NEURAL stem cells, *CENTRAL nervous system, *LABORATORY mice, *GENE expression, *NEUROLOGY |
| مستخلص: |
Neural stem cells (NSCs) are uncommitted cells of the CNS defined by their multipotentiality and ability to self renew. We found these cells to not be present in substantial numbers in the CNS until after embryonic day (E) 10.5 in mouse and E5 in chick. This coincides with the induction of SOX9 in neural cells. Gain- and loss-of-function studies indicated that SOX9 was essential for multipotent NSC formation. Moreover, Sonic Hedgehog was able to stimulate precocious generation of NSCs by inducing Sox9 expression. SOX9 was also necessary for the maintenance of multipotent NSCs, as shown by in vivo fate mapping experiments in the adult subependymal zone and olfactory bulbs. In addition, loss of SOX9 led ependymal cells to adopt a neuroblast identity. These data identify a functional link between extrinsic and intrinsic mechanisms of NSCs specification and maintenance, and establish a central role for SOX9 in the process. [ABSTRACT FROM AUTHOR] |
| قاعدة البيانات: |
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