Gene Set: ZHANG_TLX_TARGETS_60HR_UP

Standard name ZHANG_TLX_TARGETS_60HR_UP
Systematic name M1914
Brief description Genes up-regulated in neural stem cells (NSC) at 60 h after cre-lox knockout of TLX (NR2E1) [GeneID=7101].
Full description or abstract Neurogenesis persists in the adult brain and can be regulated by a plethora of external stimuli, such as learning, memory, exercise, environment and stress. Although newly generated neurons are able to migrate and preferentially incorporate into the neural network, how these cells are molecularly regulated and whether they are required for any normal brain function are unresolved questions. The adult neural stem cell pool is composed of orphan nuclear receptor TLX-positive cells. Here, using genetic approaches in mice, we demonstrate that TLX (also called NR2E1) regulates adult neural stem cell proliferation in a cell-autonomous manner by controlling a defined genetic network implicated in cell proliferation and growth. Consequently, specific removal of TLX from the adult mouse brain through inducible recombination results in a significant reduction of stem cell proliferation and a marked decrement in spatial learning. In contrast, the resulting suppression of adult neurogenesis does not affect contextual fear conditioning, locomotion or diurnal rhythmic activities, indicating a more selective contribution of newly generated neurons to specific cognitive functions.
Collection ARCHIVED: Archived Founder gene sets that are referenced by current Hallmarks
      C2_CGP: Archived chemical and genetic perturbations
Source publication Pubmed 18235445   Authors: Zhang CL,Zou Y,He W,Gage FH,Evans RM
Exact source Table 2S: up-regulated
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Organism Mus musculus
Contributed by Jessica Robertson (MSigDB Team)
Source platform UniGene_ID
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Version history 3.1: First introduced

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