Paneth Cell Multipotency Induced by Notch Activation following Injury

Using a knockin allele engineered at the mouse Lyz1 locus, Yu et al. report that irradiation induces a subset of Paneth cells to dedifferentiate. This process can also be induced by expressing active Notch1 in this cell type. The study documents Paneth cell plasticity, expanding current understanding of intestinal regeneration.

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