Abstract:
:Striatal medium-sized spiny neurons (MSNs), composed of striatonigral and striatopallidal neurons, are derived from the lateral ganglionic eminence (LGE). We find that the transcription factor Sp9 is expressed in LGE progenitors that generate nearly all striatal MSNs and that Sp9 expression is maintained in postmitotic striatopallidal MSNs. Sp9-null mice lose most striatopallidal MSNs because of decreased proliferation of striatopallidal MSN progenitors and increased Bax-dependent apoptosis, whereas the development of striatonigral neurons is largely unaffected. ChIP qPCR provides evidence that Ascl1 directly binds the Sp9 promoter. RNA-seq and in situ hybridization reveal that Sp9 promotes expression of Adora2a, P2ry1, Gpr6, and Grik3 in the LGE and striatum. Thus, Sp9 is crucial for the generation, differentiation, and survival of striatopallidal MSNs.
journal_name
Cell Repjournal_title
Cell reportsauthors
Zhang Q,Zhang Y,Wang C,Xu Z,Liang Q,An L,Li J,Liu Z,You Y,He M,Mao Y,Chen B,Xiong ZQ,Rubenstein JL,Yang Zdoi
10.1016/j.celrep.2016.06.090subject
Has Abstractpub_date
2016-08-02 00:00:00pages
1431-1444issue
5issn
2211-1247pii
S2211-1247(16)30859-2journal_volume
16pub_type
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