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Publication Detail
A novel enhancer that regulates Bdnf expression in developing neurons
  • Publication Type:
    Working discussion paper
  • Authors:
    Brookes E, Alan Au HY, Varsally W, Barrington C, Hadjur S, Riccio A
  • Publication date:
  • Status:


Brain derived neurotrophic factor (BDNF) is a critical secreted peptide that promotes neuronal differentiation and survival, and its downregulation is implicated in many neurological disorders. Here, we investigated the regulation of the mouse Bdnf gene in cortical neurons and identified a novel enhancer that promotes the expression of many Bdnf transcript variants during differentiation, increasing total Bdnf mRNA levels. Enhancer activity contributes to Bdnf-mediated effects on neuronal clustering and activity-dependent dendritogenesis. During Bdnf activation, enhancer-promoter contacts increase, and the region moves away from the repressive nuclear periphery. Our findings suggest that changes in nuclear structure may contribute to the expression of essential growth factors during neuronal development.
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