与相关的FOXJ3变体将PTEN-mTOR途径的转录程序与神经元规范和皮质层层化联系起来
Haw-Yuan Cheng1,2, Chen Liu1, Chiao-Wen Nien1
1Institute of Brain Science, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.
Nature communications
|March 10, 2026
概括
通过破坏神经元发育,FOXJ3中的致病变体会导致焦点和焦点皮质发育不良 (FCD). 福克斯J3调节PTEN-mTOR信号传递,这对正确的大脑结构至关重要.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 是一个遗传学.
- 发展生物学 发展生物学
背景情况:
- 焦点皮层发育不良 (FCD) 是抗药性的主要原因.
- FCD的分子基础,包括异常的神经元迁移和皮质发育,尚未完全理解.
研究的目的:
- 确定自体主导焦点和FCD的遗传基础.
- 研究FOXJ3在神经元发育和皮质层层形成中的作用.
主要方法:
- 在焦点和FCD患者中鉴定了FOXJ3变异.
- 在小鼠模型中使用子宫内电穿孔来研究Foxj3功能.
- 执行了ChIP-seq和scRNA-seq以识别FOXJ3目标.
- 研究了PTEN-mTOR路径.
主要成果:
- 在焦点和FCD患者中发现了FOXJ3致病变体.
- 在小鼠中,Foxj3的淘汰导致神经元迁移受损,皮质层层被破坏,神经元规格发生变化.
- Pten被确定为直接的FOXJ3目标基因.
- 缺少FOXJ3导致PTEN-mTOR信号失调和神经元 soma扩大,这是FCD的特征.
结论:
- 在FOXJ3中发生的突变与引起和FCD有关.
- FOXJ3在调节神经元发育和皮质组织的PTEN-mTOR信号传递方面发挥着关键作用.
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