Abstract

Caudal-type homeobox 2 (.Cdx2) transcription factor is an essential regulator of differentiation to the intestinal epithelium, somatic mesoderm and trophectoderm function in the mouse. However, the regulation of Cdx2 in these processes is poorly understood. Separation of viable Cdx2 expressing cells during differentiation for downstream experiments is not possible due to its nuclear localization, limiting experimental possibilities and studying Cdx2 regulation. Here, we report generation of a Cdx2-mCherry knock-in reporter mouse embryonic stem cell line (TCMC), for modeling and studying in vitro differentiation of mESCs to intestinal epithelia, somatic mesoderm, and trophectoderm.

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