Smad4is essential for epiblast scaling and morphogenesis after implantation, but nonessential prior to implantation in the mouse
Robin E. Kruger,
Tristan Frum,
A. Sophie Brumm
et al.
Abstract:Bone Morphogenic Protein (BMP) signaling plays an essential and highly conserved role in axial patterning in embryos of many externally developing animal species. However, in mammalian embryos, which develop inside the mother, early development includes an additional stage known as preimplantation. During preimplantation, the epiblast lineage is segregated from the extraembryonic lineages that enable implantation and development in utero. Yet, the requirement for BMP signaling in mouse preimplantation is impre… Show more
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