通过受控的流体动力学增加大脑器官的可再生性
Giuseppe Aiello1, Mohamed Nemir1, Barbora Vidimova1
1Department of Fundamental Neurosciences, University of Lausanne, Lausanne, Switzerland.
EMBO reports
|November 19, 2025
概括
在大脑器官培养物中减少流体流动剪切应力 (fFSS) 提高了它们的可再生性. 这种方法最大限度地减少了结构变异,并保留了基因表达,提高了它们在神经发育研究中的可靠性.
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
- 生物医学工程 生物医学工程
背景情况:
- 大脑器官是研究人类神经发育和疾病的宝贵模型.
- 在分化过程中3D结构的高变化对可重现性构成了挑战.
- 流体流动剪切应力 (fFSS) 涉及到破坏器官完整性和形态发生.
研究的目的:
- 调查fFSS对大脑器官的发育和可再生性的影响.
- 开发一种减少fFSS的方法,以改善有机体的一致性.
- 为了提高大脑器官模型的可靠性,用于研究应用.
主要方法:
- 在神经元诱导过程中使用垂直旋转的腔室来减少fFSS.
- 实施延长细胞聚合阶段,以尽量减少有机体融合.
- 分析形态结构和转录签名的忠实性.
主要成果:
- 减少fFSS显著改善了大脑器官在批次和细胞系中的可再生性.
- 在减少fFSS的条件下培养的有机体中观察到最小的形态结构变化.
- 转录签名的真实性得到保留,表明稳定的细胞身份.
结论:
- 减少fFSS是提高大脑器官的一致性的关键因素.
- 这种方法提高了神经发育研究中大脑器官模型的可靠性.
- 这些发现对临床前研究和疾病建模具有重大意义.
相关概念视频
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CSF Production
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