ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2005
Role of Fabp7, a downstream gene of Pax6, in the maintenance of neuroepithelial cells during early embryonic development of the rat cortex.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 78 papers.
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78 citing papers in PubMed, 171 citations in OpenAlex.
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- Deficiency of FABP7 Triggers Premature Neural Differentiation in Idiopathic Normocephalic Autism Organoids.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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- Glutaminolysis and the Control of Neural Progenitors in Neocortical Development and Evolution.The Neuroscientist : a review journal bringing neurobiology, neurology and psychiatry · 2023Review
- Cerebral organoids containing an AUTS2 missense variant model microcephaly.Brain : a journal of neurology · 2023Article
- Proteomics and disease network associations evaluation of environmentally relevant Bisphenol A concentrations in a human 3D neural stem cell model.Frontiers in cell and developmental biology · 2023Article
- FABP7: a glial integrator of sleep, circadian rhythms, plasticity, and metabolic function.Frontiers in systems neuroscience · 2023Article
18 more citing papers are in PubMed but not listed here.
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6 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Pax6 is a transcription factor with key functional roles in the developing brain. Pax6 promotes neuronal differentiation via transcriptional regulation of the Neurogenin2 (Ngn2) gene, although Pax6 expression appears in proliferating neuroepithelial cells before the onset of neurogenesis. Here, we identified Fabp7 (BLBP/B-FABP), a member of the fatty acid-binding protein (FABP) family, as a downregulated gene in the embryonic brain of Pax6 mutant rat (rSey2/rSey2) by microarray analysis. Marked reduction of Fabp7 expression was confirmed by quantitative PCR. Spatiotemporal expression patterns of Fabp7 in the wild-type rat embryos from embryonic day 10.5 (E10.5) to E14.5 were similar to those of Pax6, and expression of Fabp7 was undetectable in the rSey2/rSey2 cortex. The expression pattern of Fabp7 in the wild-type mouse embryo at E10.5 (corresponding to E12.5 rat) was different from that in the rat embryo, and no change of expression was observed in the Sey/Sey mouse embryo. Overexpression of exogenous Pax6 mainly induced ectopic expression of Fabp7, rather than of Ngn2, in the early cortical primordium. Interestingly, knocking-down FABP7 function by electroporation of Fabp7 small interfering RNA severely curtailed cell proliferation but promoted neuronal differentiation. We conclude that Fabp7 is a downstream gene of Pax6 transcription factor in the developing rat cortex and essential for maintenance of neuroepithelial cells during early cortical development.
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