241-Hypoxia Directs Human Lung Airway Differentiation
This article details research on how low oxygen levels, or hypoxia, influence the development and differentiation of human lung epithelial cells, utilizing tissue-derived organoids. The authors found that hypoxia promotes airway differentiation in fetal lung progenitors while inhibiting alveolar cell fate, revealing that low oxygen acts as a developmental cue. Key to this process are the hypoxia-inducible factors (HIFs), particularly HIF1α and HIF2α, which have distinct roles: HIF1α is necessary for airway differentiation, whereas HIF2α specifically promotes basal cell fate but suppresses…
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