EPISODE · Aug 23, 2026 · 21 MIN
1480-合成 Wnt 组织者引导人肾类器官模式构建
from 聊聊Sci
这篇文章介绍了利用合成生物学手段解决人体器官类器官空间发育失控的研究。研究人员通过空间转录组学发现，人体肾脏发育依赖于集合管分泌的 WNT 信号边界来引导肾单位的极化与定向生长。由于实验室培养的肾类器官缺乏这种关键的空间组织者，导致其结构杂乱且功能不全。为此，科学家开发出一种可调节的人工合成 WNT 发育组织者，将其引入类器官中。实验证明，这种合成组织者成功诱导了细胞对称性破缺，恢复了肾单位的轴向极化，并引导其向信号源定向生长。这一成果不仅提升了肾类器官的结构仿真度，也为工程化构建复杂人体组织提供了通用方法。References:Fausto C C, Glykofrydis F, Kumar N, et al. Patterning human kidney organoids with synthetic Wnt-secreting organizers[J]. Science, 2026, 393(6806): eadu9122.前往小宇宙评论区与主播互动
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1480-合成 Wnt 组织者引导人肾类器官模式构建
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