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Srebf1 Controls Midbrain Dopaminergic Neurogenesis.
Cell Reports ( IF 7.5 ) Pub Date : 2020-05-05 , DOI: 10.1016/j.celrep.2020.107601
Enrique M Toledo 1 , Shanzheng Yang 1 , Daniel Gyllborg 1 , Kim E van Wijk 1 , Indranil Sinha 2 , Manuel Varas-Godoy 1 , Christopher L Grigsby 3 , Peter Lönnerberg 1 , Saiful Islam 1 , Knut R Steffensen 4 , Sten Linnarsson 1 , Ernest Arenas 1
Cell Reports ( IF 7.5 ) Pub Date : 2020-05-05 , DOI: 10.1016/j.celrep.2020.107601
Enrique M Toledo 1 , Shanzheng Yang 1 , Daniel Gyllborg 1 , Kim E van Wijk 1 , Indranil Sinha 2 , Manuel Varas-Godoy 1 , Christopher L Grigsby 3 , Peter Lönnerberg 1 , Saiful Islam 1 , Knut R Steffensen 4 , Sten Linnarsson 1 , Ernest Arenas 1
Affiliation
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Liver X receptors (LXRs) and their ligands are potent regulators of midbrain dopaminergic (mDA) neurogenesis and differentiation. However, the molecular mechanisms by which LXRs control these functions remain to be elucidated. Here, we perform a combined transcriptome and chromatin immunoprecipitation sequencing (ChIP-seq) analysis of midbrain cells after LXR activation, followed by bioinformatic analysis to elucidate the transcriptional networks controlling mDA neurogenesis. Our results identify the basic helix-loop-helix transcription factor sterol regulatory element binding protein 1 (SREBP1) as part of a cluster of proneural transcription factors in radial glia and as a regulator of transcription factors controlling mDA neurogenesis, such as Foxa2. Moreover, loss- and gain-of-function experiments in vitro and in vivo demonstrate that Srebf1 is both required and sufficient for mDA neurogenesis. Our data, thus, identify Srebf1 as a central player in mDA neurogenesis.
中文翻译:
Srebf1控制中脑多巴胺能神经发生。
肝脏X受体(LXR)及其配体是中脑多巴胺能(mDA)神经发生和分化的有效调节剂。但是,LXRs控制这些功能的分子机制仍有待阐明。在这里,我们执行LXR激活后中脑细胞的转录组和染色质免疫沉淀测序(ChIP-seq)组合分析,然后进行生物信息学分析以阐明控制mDA神经发生的转录网络。我们的研究结果确定基本的螺旋-环-螺旋转录因子固醇调节元件结合蛋白1(SREBP1)是radial神经胶质中神经元转录因子簇的一部分,并且是控制mDA神经发生的转录因子的调节剂,例如Foxa2。此外,体外和体内功能丧失和功能获得实验证明,Srebf1是mDA神经发生所必需和充分的。因此,我们的数据确定Srebf1是mDA神经发生中的重要角色。
更新日期:2020-05-05
中文翻译:

Srebf1控制中脑多巴胺能神经发生。
肝脏X受体(LXR)及其配体是中脑多巴胺能(mDA)神经发生和分化的有效调节剂。但是,LXRs控制这些功能的分子机制仍有待阐明。在这里,我们执行LXR激活后中脑细胞的转录组和染色质免疫沉淀测序(ChIP-seq)组合分析,然后进行生物信息学分析以阐明控制mDA神经发生的转录网络。我们的研究结果确定基本的螺旋-环-螺旋转录因子固醇调节元件结合蛋白1(SREBP1)是radial神经胶质中神经元转录因子簇的一部分,并且是控制mDA神经发生的转录因子的调节剂,例如Foxa2。此外,体外和体内功能丧失和功能获得实验证明,Srebf1是mDA神经发生所必需和充分的。因此,我们的数据确定Srebf1是mDA神经发生中的重要角色。