1369-三维深度组织转录组绘制器官发育时空图谱 episode artwork

EPISODE · Aug 1, 2026 · 16 MIN

1369-三维深度组织转录组绘制器官发育时空图谱

from 聊聊Sci

这篇文章介绍了一项名为 3DEEP 的三维空间转录组学新技术,该技术通过去除基因组 DNA 突破了厚组织成像的深度限制。研究者利用此方法捕捉了新生小鼠皮肤中数百个处于不同发育阶段的毛囊,并将这些空间快照转化为四维(三维空间+时间)分子图谱。通过这幅图谱,研究揭示了毛囊干细胞层的建立过程、毛细管形成的复杂空间编排,以及毛囊发育的三个分子阶段。此外,研究还对比了先天性脱发(裸鼠)模型,发现其分子成熟过程存在延迟和不稳定性,且这种异常在结构缺陷显现之前就已经发生。该研究为理解器官发育及其遗传性病变提供了全新的时空视角。References:Asami S, Yin C, Fan J, et al. Four-dimensional molecular mapping from a spatial snapshot reveals the dynamics of hair follicle organogenesis[J]. Cell, 2026.前往小宇宙评论区与主播互动

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1369-三维深度组织转录组绘制器官发育时空图谱

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