Article
Local lung hypoxia determines epithelial fate decisions during alveolar regeneration.
Nature cell biology - 1 Aug 2017
Xi Ying, Kim Thomas, Brumwell Alexis N, Driver Ian H, Wei Ying, Tan Victor, Jackson Julia R, Xu Jianming, Lee Dong-Kee, Gotts Jeffrey E, Matthay Michael A, Shannon John M, Chapman Harold A, Vaughan Andrew E
Abstract excerpt
After influenza infection, lineage-negative epithelial progenitors (LNEPs) exhibit a binary response to reconstitute epithelial barriers: activating a Notch-dependent ΔNp63/cytokeratin 5 (Krt5) remodelling program or differentiating into alveolar type II cells (AEC2s). Here we show that local lung hypoxia, through hypoxia-inducible factor (HIF1α), drives Notch signalling and Krt5pos basal-like cell expansion....
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