期刊
CELL REPORTS
卷 27, 期 4, 页码 1103-+出版社
CELL PRESS
DOI: 10.1016/j.celrep.2019.03.091
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类别
资金
- DFG [SFB 655]
- ERC [250197]
- ERA-NET NEURON (MicroKin)
- MRC [MR/R006237/1] Funding Source: UKRI
Neocortex expansion during mammalian evolution has been linked to an increase in proliferation of basal progenitors in the subventricular zone. Here, we explored a potential role of YAP, the major down-stream effector of the Hippo pathway, in proliferation of basal progenitors. YAP expression and activity are high in ferret and human basal progenitors, which exhibit high proliferative capacity, but low in mouse basal progenitors, which lack such capacity. Conditional expression of a constitutively active YAP in mouse basal progenitors resulted in increased proliferation of basal progenitor and promoted production of upper-layer neurons. Pharmacological and genetic interference with YAP function in ferret and human developing neocortex resulted in decreased abundance of cycling basal progenitors. Together, our data indicate that YAP is necessary and sufficient to promote the proliferation of basal progenitors and suggest that increases in YAP levels and presumably activity contributed to the evolutionary expansion of the neocortex.
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