Description
这篇文章概述了低氧环境（缺氧）在人类肺部发育中扮演的关键角色，它指导肺祖细胞倾向于气道细胞命运，同时抑制肺泡细胞的形成。作者利用组织来源的类器官模型，发现这一过程由缺氧诱导因子（HIF）活性控制，特别是HIF1α和HIF2α具有独特的作用和靶点。此外，该研究还显示缺氧能够将成熟的肺泡II型细胞（AT2）转化为气道样细胞，这表明缺氧既是发育信号，也可能与病理肺部的异常细胞命运改变有关。References: Dong Z, Wit N, Agarwal A, et al. Hypoxia promotes airway differentiation in the human lung epithelium[J]. Cell Stem Cell, 2025.
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