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相关概念视频

Neurulation01:30

Neurulation

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Neurulation is the embryological process which forms the precursors of the central nervous system and occurs after gastrulation has established the three primary cell layers of the embryo: ectoderm, mesoderm, and endoderm. In humans, the majority of this system is formed via primary neurulation, in which the central portion of the ectoderm—originally appearing as a flat sheet of cells—folds upwards and inwards, sealing off to form a hollow neural tube. As development proceeds, the...
41.8K

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Updated: Jun 23, 2025

Differentiation of Mouse Embryonic Stem Cells into Cortical Interneuron Precursors
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ARX调节皮层内部神经元的分化和迁移.

Youngshin Lim, Shyam K Akula, Abigail K Myers

    bioRxiv : the preprint server for biology
    |June 19, 2024
    PubMed
    概括
    此摘要是机器生成的。

    在皮质内部神经元 (cIN) 发育过程中,与状无关的本体箱 (ARX) 是至关重要的,控制它们的数量和迁移. 通过影响cIN细胞-细胞通信,ARX功能中断导致神经发育障碍.

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    科学领域:

    • 神经科学是一个神经科学.
    • 发展生物学 发展生物学
    • 遗传学 是一个遗传学.

    背景情况:

    • 与aristaless相关的homeobox (ARX) 基因的突变与神经发育障碍 (如智力障碍和自闭症谱系障碍) 有关.
    • 皮质内部神经元 (cIN) 的异常发育和功能与这些ARX相关疾病有关.

    研究的目的:

    • 阐明ARX在皮层内部神经元 (cIN) 发育和迁移中的作用.
    • 确定ARX在发育过程中调节cINs的分子机制.

    主要方法:

    • 用多个Arx突变小鼠线来进行调查.
    • 进行了单细胞转录组学和ChIP-seq分析.
    • 进行功能性研究以评估基因调节和细胞行为.

    主要成果:

    • ARX对于调节cIN的数量和分布至关重要,特别是在边缘区 (MZ).
    • ARX直接或间接控制涉及cIN增殖,细胞周期,命运规范和迁移的基因.
    • 在MZ流迁移中出现的缺陷似乎源于细胞间通信中断.

    结论:

    • 在编排cIN发展和迁移途径方面,ARX发挥着至关重要的作用.
    • 细胞间通信失调是与ARX相关的cIN迁移缺陷的一个关键因素.
    • 研究结果为与ARX突变相关的神经发育障碍背后的机制提供了洞察力.