Abstract:
:Notch1 has been shown to induce glia in the peripheral nervous system. However, it has not been known whether Notch can direct commitment to glia from multipotent progenitors of the central nervous system. Here we present evidence that activated Notch1 and Notch3 promotes the differentiation of astroglia from the rat adult hippocampus-derived multipotent progenitors (AHPs). Quantitative clonal analysis indicates that the action of Notch is likely to be instructive. Transient activation of Notch can direct commitment of AHPs irreversibly to astroglia. Astroglial induction by Notch signaling was shown to be independent of STAT3, which is a key regulatory transcriptional factor when ciliary neurotrophic factor (CNTF) induces astroglia. These data suggest that Notch provides a CNTF-independent instructive signal of astroglia differentiation in CNS multipotent progenitor cells.
journal_name
Neuronjournal_title
Neuronauthors
Tanigaki K,Nogaki F,Takahashi J,Tashiro K,Kurooka H,Honjo Tdoi
10.1016/s0896-6273(01)00179-9subject
Has Abstractpub_date
2001-01-01 00:00:00pages
45-55issue
1eissn
0896-6273issn
1097-4199pii
S0896-6273(01)00179-9journal_volume
29pub_type
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