Human Gene Set: JEPSEN_SMRT_TARGETS

For the Mouse gene set with the same name, see JEPSEN_SMRT_TARGETS

Standard name JEPSEN_SMRT_TARGETS
Systematic name M1773
Brief description Genes up-regulated in neural progenitor cells (NPC) isolated from E13 cortical tissue of SMRT [GeneID=9612] knockout mice.
Full description or abstract A series of transcription factors critical for maintenance of the neural stem cell state have been identified, but the role of functionally important corepressors in maintenance of the neural stem cell state and early neurogenesis remains unclear. Previous studies have characterized the expression of both SMRT (also known as NCoR2, nuclear receptor co-repressor 2) and NCoR in a variety of developmental systems; however, the specific role of the SMRT corepressor in neurogenesis is still to be determined. Here we report a critical role for SMRT in forebrain development and in maintenance of the neural stem cell state. Analysis of a series of markers in SMRT-gene-deleted mice revealed the functional requirement of SMRT in the actions of both retinoic-acid-dependent and Notch-dependent forebrain development. In isolated cortical progenitor cells, SMRT was critical for preventing retinoic-acid-receptor-dependent induction of differentiation along a neuronal pathway in the absence of any ligand. Our data reveal that SMRT represses expression of the jumonji-domain containing gene JMJD3, a direct retinoic-acid-receptor target that functions as a histone H3 trimethyl K27 demethylase and which is capable of activating specific components of the neurogenic program.
Collection C2: Curated
      CGP: Chemical and Genetic Perturbations
Source publication Pubmed 17928865   Authors: Jepsen K,Solum D,Zhou T,McEvilly RJ,Kim HJ,Glass CK,Hermanson O,Rosenfeld MG
Exact source Fig 4S
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Source species Mus musculus
Contributed by Jessica Robertson (MSigDB Team)
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identifier namespace		 MOUSE_SEQ_ACCESSION
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Version history 3.1: First introduced

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