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Movie 5.

Apoptosis of the ICM cell in the chimaeric embryo at the early blastocyst stage. The same chimaeric embryo as in Movie 4 with ESCs visualised. Nuclei labelled with histone H2B-mCherry are visible in red. H2B-GFP ESCs introduced into the embryo are marked in green. The nucleus of the blastomere undergoing elimination is marked with a white circle.

Multi-level Fgf4- and apoptosis-dependent regulatory mechanism ensures the plasticity of ESC-chimaeric mouse embryo

Anna Soszyńska, Katarzyna Filimonow, Magdalena Wigger, Katarzyna Wołukanis, Alicja Gross, Katarzyna Szczepańska, and Aneta Suwińska

Development 2023. 150:None-None; doi: 10.1242/dev.201756