Alveolar and airway progenitors converge on an epigenetically encoded profibrotic state
During organ regeneration, epithelial transitional states arise from progenitors and instruct the mesenchyme to remodel the extracellular matrix. However, the identity of the progenitors, the mechanisms underlying this transition, and why these states persist in tissue fibrosis often remain elusive. Here, using lineage tracing in mice, we show that the profibrotic KRT5-/KRT17+ state in pulmonary…
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