EPISODE · Jan 24, 2026 · 16 MIN
428-小鼠胚胎大脑发育的活体影像研究
from 聊聊Sci
这项研究开发了一种名为IMEE的活体成像技术,旨在克服传统离体实验对胚胎发育观察的局限性。研究人员通过这种外部固定胚胎的方法,实现了对小鼠胚胎大脑进行长时程、大视野及深层的实时监测,同时维持了正常的生理循环。利用该技术,科学家揭示了神经元在发育过程中的多种迁移模式,并深入探讨了神经细胞与免疫细胞、血管系统之间的复杂互动。实验证据还显示,环境压力会改变细胞的运动轨迹,这对理解自闭症谱系障碍等发育缺陷的病理机制具有重要意义。此外,该设备表现出极高的通用性,能够兼容多种遗传标记和实验操控手段,为哺乳动物器官发育和神经科学研究提供了关键的工具。References: Long Z, Yu Y, He C, et al. Intravital observation of neuronal and immune cell dynamics in the developing mammalian brain[J]. Cell, 2025.前往小宇宙评论区与主播互动
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428-小鼠胚胎大脑发育的活体影像研究
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