578-小鼠胚胎内皮细胞发育单细胞时空图谱 episode artwork

EPISODE · Mar 3, 2026 · 18 MIN

578-小鼠胚胎内皮细胞发育单细胞时空图谱

from 聊聊Sci

这项研究通过构建STED-EC图谱,系统地描绘了小鼠胚胎发育过程中内皮细胞在不同器官中的分化轨迹与分子机制。研究发现,内皮细胞在妊娠中期(约E9.0至E13.5)开始获得器官特异性特征,并在此阶段展现出独特的基因表达模式和信号通路。通过对比人类与小鼠的数据,科学家识别出跨物种共有的关键调控因子Casz1,它在肺部脉管系统的发育中起着核心作用。实验证明,Casz1的缺失会导致肺部血管发育障碍,并由于FGF1等血管分泌因子的减少,进而干扰内皮细胞与上皮细胞之间的信号交流。总之,该工作不仅揭示了血管发育的多样性,还为理解肺部发育缺陷提供了重要的分子基础和在线交互平台。References: Lin L, Zhong J, Jiang F, et al. A single-cell time-series atlas of endothelial cell embryonic development[J]. Cell, 2026.前往小宇宙评论区与主播互动

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578-小鼠胚胎内皮细胞发育单细胞时空图谱

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