Video 2. The number of T⁺ cells is affected upon β-catenin removal.

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DOI: 10.7554/eLife.10042.022

3D reconstruction of the caudal progenitor region. (00:00) E9.5 WT sample and (00:28) example of a βcatCKO embryo at E9.5, after it was cultured in vitro for 24 hr in the presence of 5µM 4-OHT.

DOI: http://dx.doi.org/10.7554/eLife.10042.022