Nature Communications (Nov 2022)

Alveolar cell fate selection and lifelong maintenance of AT2 cells by FGF signaling

  • Douglas G. Brownfield,
  • Alex Diaz de Arce,
  • Elisa Ghelfi,
  • Astrid Gillich,
  • Tushar J. Desai,
  • Mark A. Krasnow

DOI
https://doi.org/10.1038/s41467-022-34059-1
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 14

Abstract

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Here the authors show that FGF signaling initiates alveolus development in mouse lung by inducing AT2 fate and a secondary signal for AT1 fate, and continuously maintains AT2 cells throughout life. FGF inhibition triggers immediate AT2 apoptosis and compensatory regeneration.